1 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3 * configure.ac (thread-local storage support): Remove tls_first_major
4 and tls_first_minor. Use "$conftest_s" to check support.
5 * configure: Regenerate.
7 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9 * configure.ac: Fixup formatting.
11 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
13 * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
14 * configure.ac: ... update all callers.
16 2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
19 * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
20 (gcc_GAS_VERSION_GTE_IFELSE): Remove.
21 (gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
22 * configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
23 Remove remaining checks for in-tree assembler.
24 * configure: Regenerate.
26 2021-08-20 Jeff Law <jlaw@localhost.localdomain>
28 * config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
29 by 15 bits for H8/300H and H8/S. Improve logical shifts by 12
31 (shift_alg_si): Improve arithmetic right shift by 28-30 bits for
32 H8/300H. Improve arithmetic shift right by 15 bits for H8/S.
33 Improve logical shifts by 27 bits for H8/S.
34 (get_shift_alg): Corresponding changes.
35 (h8300_option_override): Revert to loops for -Os when profitable.
37 2021-08-20 Richard Biener <rguenther@suse.de>
39 * tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
41 (vect_analyze_data_ref_accesses): Likewise. Assign the BB
42 index as group_id when dataref_groups were not computed.
43 * tree-vect-slp.c (vect_slp_bbs): Bump current_group when
44 we advace to the next BB.
46 2021-08-20 Jakub Jelinek <jakub@redhat.com>
48 * omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
51 2021-08-20 Martin Liska <mliska@suse.cz>
54 * gcov.c (make_gcov_file_name): Rewrite using std::string.
55 (mangle_name): Simplify, do not used the second argument.
56 (strip_extention): New function.
57 (get_md5sum): Likewise.
58 (get_gcov_intermediate_filename): Handle properly -p and -x
60 (output_gcov_file): Use string type.
61 (generate_results): Likewise.
62 (md5sum_to_hex): Remove.
64 2021-08-20 Michael Meissner <meissner@linux.ibm.com>
66 * config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
67 (UNSPEC_XXSPLTIW): Move to vsx.md.
68 (UNSPEC_XXSPLTID): Move to vsx.md.
69 (UNSPEC_XXSPLTI32DX): Move to vsx.md.
70 (UNSPEC_XXBLEND): Move to vsx.md.
71 (UNSPEC_XXPERMX): Move to vsx.md.
72 (VM3): Move to vsx.md.
73 (VM3_char): Move to vsx.md.
74 (xxspltiw_v4si): Move to vsx.md.
75 (xxspltiw_v4sf): Move to vsx.md.
76 (xxspltiw_v4sf_inst): Move to vsx.md.
77 (xxspltidp_v2df): Move to vsx.md.
78 (xxspltidp_v2df_inst): Move to vsx.md.
79 (xxsplti32dx_v4si_inst): Move to vsx.md.
80 (xxsplti32dx_v4sf): Move to vsx.md.
81 (xxsplti32dx_v4sf_inst): Move to vsx.md.
82 (xxblend_<mode>): Move to vsx.md.
83 (xxpermx): Move to vsx.md.
84 (xxpermx_inst): Move to vsx.md.
85 * config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
86 (UNSPEC_XXSPLTIW): Move from altivec.md.
87 (UNSPEC_XXSPLTID): Move from altivec.md.
88 (UNSPEC_XXSPLTI32DX): Move from altivec.md.
89 (UNSPEC_XXBLEND): Move from altivec.md.
90 (UNSPEC_XXPERMX): Move from altivec.md.
91 (VM3): Move from altivec.md.
92 (VM3_char): Move from altivec.md.
93 (xxspltiw_v4si): Move from altivec.md.
94 (xxspltiw_v4sf): Move from altivec.md.
95 (xxspltiw_v4sf_inst): Move from altivec.md.
96 (xxspltidp_v2df): Move from altivec.md.
97 (xxspltidp_v2df_inst): Move from altivec.md.
98 (xxsplti32dx_v4si_inst): Move from altivec.md.
99 (xxsplti32dx_v4sf): Move from altivec.md.
100 (xxsplti32dx_v4sf_inst): Move from altivec.md.
101 (xxblend_<mode>): Move from altivec.md.
102 (xxpermx): Move from altivec.md.
103 (xxpermx_inst): Move from altivec.md.
105 2021-08-19 Roger Sayle <roger@nextmovesoftware.com>
107 * tree-vect-generic.c (expand_vector_operations_1): Use either
108 gimplify_build1 or gimplify_build2 instead of gimple_build_assign
109 when constructing scalar splat expressions.
111 2021-08-19 Peter Bergner <bergner@linux.ibm.com>
114 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
115 pointer to __vector_pair *.
117 2021-08-19 Martin Sebor <msebor@redhat.com>
119 * gimple-range.cc: Add comments.
120 * gimple-range.h: Same.
122 2021-08-19 Martin Sebor <msebor@redhat.com>
125 * gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
128 2021-08-19 Jeff Law <jlaw@localhost.localdomain>
130 * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
131 (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
132 * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
134 2021-08-19 Jakub Jelinek <jakub@redhat.com>
137 * optabs.c (expand_clrsb_using_clz): New function.
138 (expand_unop): Use it as another clrsb expansion fallback.
140 2021-08-19 liuhongt <hongtao.liu@intel.com>
143 2021-07-28 liuhongt <hongtao.liu@intel.com>
146 * config/i386/i386.h (processor_costs): Add new member
148 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
149 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
150 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
151 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
152 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
153 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
154 generic_cost, core_cost): Initialize integer_to_sse same value
156 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
157 * config/i386/i386.c (ix86_builtin_vectorization_cost):
158 Use integer_to_sse instead of sse_op to calculate the cost of
161 2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
163 * config.gcc: Include rpath.opt for Darwin.
164 * config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
166 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
169 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
172 2021-08-18 Jonathan Wright <jonathan.wright@arm.com>
174 * config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
175 pattern and type cast.
176 (vld4_lane_f32): Use float RTL pattern.
177 (vld4q_lane_f64): Use float type cast.
179 2021-08-18 Jan Hubicka <hubicka@ucw.cz>
181 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
184 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
186 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
187 (test_map_of_type_with_ctor_and_dtor_expand): Add function.
188 (hash_map_tests_c_tests): Call it.
190 2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
192 * ggc.h (enum ggc_collect): New.
193 (ggc_collect): Use it.
194 * ggc-page.c: Adjust.
195 * ggc-common.c: Likewise.
196 * ggc-tests.c: Likewise.
197 * read-rtl-function.c: Likewise.
198 * selftest-run-tests.c: Likewise.
199 * doc/gty.texi (Invoking the garbage collector): Likewise.
201 2021-08-18 liuhongt <hongtao.liu@intel.com>
204 * config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
206 * config/i386/sse.md (*sse3_haddv2df3_low): Add
207 TARGET_V2DF_REDUCTION_PREFER_HADDPD.
208 (*sse3_hsubv2df3_low): Ditto.
209 * config/i386/x86-tune.def
210 (X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
212 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
214 * gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
215 (gori_compute::compute_operand_range): Add tracing.
216 (gori_compute::logical_combine): Ditto.
217 (gori_compute::compute_logical_operands): Ditto.
218 (gori_compute::compute_operand1_range): Ditto.
219 (gori_compute::compute_operand2_range): Ditto.
220 (gori_compute::outgoing_edge_range_p): Ditto.
221 * gimple-range-gori.h (class gori_compute): Add range_tracer.
223 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
225 * flag-types.h (enum evrp_mode): Adjust evrp-mode values.
226 * gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
227 * gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
228 * params.opt (--param=evrp-mode): Adjust options.
230 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
232 * Makefile.in (OBJS): Add gimple-range-trace.o.
233 * gimple-range-cache.h (enable_new_values): Remove unused prototype.
234 * gimple-range-fold.cc: Adjust headers.
235 * gimple-range-trace.cc: New.
236 * gimple-range-trace.h: New.
237 * gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
238 (gimple_ranger::range_of_expr): Add tracing.
239 (gimple_ranger::range_on_entry): Ditto.
240 (gimple_ranger::range_on_exit): Ditto.
241 (gimple_ranger::range_on_edge): Ditto.
242 (gimple_ranger::fold_range_internal): Ditto.
243 (gimple_ranger::dump_bb): Do not calculate edge range twice.
244 (trace_ranger::*): Remove.
245 (enable_ranger): Never create a trace_ranger.
246 (debug_seed_ranger): Move to gimple-range-trace.cc.
247 (dump_ranger): Ditto.
248 (debug_ranger): Ditto.
249 * gimple-range.h: Include gimple-range-trace.h.
250 (range_on_entry, range_on_exit): No longer virtual.
251 (class trace_ranger): Remove.
252 (DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
254 2021-08-17 Martin Sebor <msebor@redhat.com>
257 * builtins.c (expand_builtin_alloca): Move warning code to check_alloca
258 in gimple-ssa-warn-access.cc.
259 * calls.c (alloc_max_size): Move code to check_alloca.
260 (get_size_range): Move to pointer-query.cc.
261 (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
262 (get_attr_nonstring_decl): Move to tree.c.
263 (fntype_argno_type): Move to gimple-ssa-warn-access.cc.
264 (append_attrname): Same.
265 (maybe_warn_rdwr_sizes): Same.
266 (initialize_argument_information): Move code to
267 gimple-ssa-warn-access.cc.
268 * calls.h (maybe_warn_alloc_args_overflow): Move to
269 gimple-ssa-warn-access.h.
270 (get_attr_nonstring_decl): Move to tree.h.
271 (maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h.
272 (enum size_range_flags): Move to pointer-query.h.
273 (get_size_range): Same.
274 * gimple-ssa-warn-access.cc (has_location): Remove unused overload
275 to avoid Clang -Wunused-function.
276 (get_size_range): Declare static.
277 (maybe_emit_free_warning): Rename...
278 (maybe_check_dealloc_call): ...to this for consistency.
279 (class pass_waccess): Add members.
280 (pass_waccess::~pass_waccess): Defined.
281 (alloc_max_size): Move here from calls.c.
282 (maybe_warn_alloc_args_overflow): Same.
283 (check_alloca): New function.
284 (check_alloc_size_call): New function.
285 (check_strncat): Handle another warning flag.
286 (pass_waccess::check_builtin): Handle alloca.
287 (fntype_argno_type): Move here from calls.c.
288 (append_attrname): Same.
289 (maybe_warn_rdwr_sizes): Same.
290 (pass_waccess::check_call): Define.
291 (check_nonstring_args): New function.
292 (pass_waccess::check): Call new member functions.
293 (pass_waccess::execute): Enable ranger.
294 * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
295 (maybe_warn_nonstring_arg): Same.
296 * gimple-ssa-warn-restrict.c: Remove #include.
297 * pointer-query.cc (get_size_range): Move here from calls.c.
298 * pointer-query.h (enum size_range_flags): Same.
299 (get_size_range): Same.
300 * tree.c (get_attr_nonstring_decl): Move here from calls.c.
301 * tree.h (get_attr_nonstring_decl): Move here from calls.h.
303 2021-08-17 Thomas Schwinge <thomas@codesourcery.com>
305 * ggc.h (ggc_collect): Add 'force_collect' parameter.
306 * ggc-page.c (ggc_collect): Use that one instead of global
307 'ggc_force_collect'. Adjust all users.
308 * doc/gty.texi (Invoking the garbage collector): Update.
309 * ggc-internal.h (ggc_force_collect): Remove.
310 * ggc-common.c (ggc_force_collect): Likewise.
311 * selftest.h (forcibly_ggc_collect): Remove.
312 * ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
313 * read-rtl-function.c (test_loading_labels): Adjust.
314 * selftest-run-tests.c (run_tests): Likewise.
316 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
318 * config/darwin.c (darwin_file_end): Reset and reclaim the
319 section names table at the end of compile.
321 2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
324 * config.in: Regenerate.
325 * config/i386/darwin.h (EXTRA_ASM_OPTS): New
326 (ASM_SPEC): Pass options to disable branch shortening where
328 * configure: Regenerate.
329 * configure.ac: Detect versions of 'as' that support the
330 optimisation which has the bug.
332 2021-08-17 Richard Biener <rguenther@suse.de>
334 * optabs-query.c (supports_vec_gather_load_p): Also check
336 (supports_vec_scatter_store_p): Likewise.
337 * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
338 back to masked variants if non-masked are not supported.
339 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
340 When we need to use masked gather/scatter but do not have
341 a mask set up a constant true one.
342 * tree-vect-stmts.c (vect_check_scalar_mask): Also allow
345 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
347 * tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
348 algorithm as PLUS_EXPR to improve subtraction bit bounds.
349 [POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
351 2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
353 * tree-ssa-ccp.c (bit_value_mult_const): New helper function to
354 calculate the mask-value pair result of a multiplication by an
356 (bit_value_binop) [MULT_EXPR]: Call it from here for
357 multiplications by (sparse) non-negative constants.
359 2021-08-17 Christophe Lyon <christophe.lyon@foss.st.com>
362 * config.gcc (gcc_cv_initfini_array): Leave undefined for
363 uclinuxfdpiceabi targets.
365 2021-08-17 Alexandre Oliva <oliva@adacore.com>
367 * tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
370 2021-08-17 Alexandre Oliva <oliva@adacore.com>
372 * tree-cfg.c (dump_function_to_file): Use fun, not cfun.
374 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
376 * config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
377 (__LD4Q_LANE_FUNC): Likewise.
378 (vld4_lane_u8): Define without macro.
379 (vld4_lane_u16): Likewise.
380 (vld4_lane_u32): Likewise.
381 (vld4_lane_u64): Likewise.
382 (vld4_lane_s8): Likewise.
383 (vld4_lane_s16): Likewise.
384 (vld4_lane_s32): Likewise.
385 (vld4_lane_s64): Likewise.
386 (vld4_lane_f16): Likewise.
387 (vld4_lane_f32): Likewise.
388 (vld4_lane_f64): Likewise.
389 (vld4_lane_p8): Likewise.
390 (vld4_lane_p16): Likewise.
391 (vld4_lane_p64): Likewise.
392 (vld4q_lane_u8): Likewise.
393 (vld4q_lane_u16): Likewise.
394 (vld4q_lane_u32): Likewise.
395 (vld4q_lane_u64): Likewise.
396 (vld4q_lane_s8): Likewise.
397 (vld4q_lane_s16): Likewise.
398 (vld4q_lane_s32): Likewise.
399 (vld4q_lane_s64): Likewise.
400 (vld4q_lane_f16): Likewise.
401 (vld4q_lane_f32): Likewise.
402 (vld4q_lane_f64): Likewise.
403 (vld4q_lane_p8): Likewise.
404 (vld4q_lane_p16): Likewise.
405 (vld4q_lane_p64): Likewise.
406 (vld4_lane_bf16): Likewise.
407 (vld4q_lane_bf16): Likewise.
409 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
411 * config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
412 (__LD3Q_LANE_FUNC): Delete.
413 (vld3_lane_u8): Define without macro.
414 (vld3_lane_u16): Likewise.
415 (vld3_lane_u32): Likewise.
416 (vld3_lane_u64): Likewise.
417 (vld3_lane_s8): Likewise.
418 (vld3_lane_s16): Likewise.
419 (vld3_lane_s32): Likewise.
420 (vld3_lane_s64): Likewise.
421 (vld3_lane_f16): Likewise.
422 (vld3_lane_f32): Likewise.
423 (vld3_lane_f64): Likewise.
424 (vld3_lane_p8): Likewise.
425 (vld3_lane_p16): Likewise.
426 (vld3_lane_p64): Likewise.
427 (vld3q_lane_u8): Likewise.
428 (vld3q_lane_u16): Likewise.
429 (vld3q_lane_u32): Likewise.
430 (vld3q_lane_u64): Likewise.
431 (vld3q_lane_s8): Likewise.
432 (vld3q_lane_s16): Likewise.
433 (vld3q_lane_s32): Likewise.
434 (vld3q_lane_s64): Likewise.
435 (vld3q_lane_f16): Likewise.
436 (vld3q_lane_f32): Likewise.
437 (vld3q_lane_f64): Likewise.
438 (vld3q_lane_p8): Likewise.
439 (vld3q_lane_p16): Likewise.
440 (vld3q_lane_p64): Likewise.
441 (vld3_lane_bf16): Likewise.
442 (vld3q_lane_bf16): Likewise.
444 2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
446 * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
447 (__LD2Q_LANE_FUNC): Likewise.
448 (vld2_lane_u8): Define without macro.
449 (vld2_lane_u16): Likewise.
450 (vld2_lane_u32): Likewise.
451 (vld2_lane_u64): Likewise.
452 (vld2_lane_s8): Likewise.
453 (vld2_lane_s16): Likewise.
454 (vld2_lane_s32): Likewise.
455 (vld2_lane_s64): Likewise.
456 (vld2_lane_f16): Likewise.
457 (vld2_lane_f32): Likewise.
458 (vld2_lane_f64): Likewise.
459 (vld2_lane_p8): Likewise.
460 (vld2_lane_p16): Likewise.
461 (vld2_lane_p64): Likewise.
462 (vld2q_lane_u8): Likewise.
463 (vld2q_lane_u16): Likewise.
464 (vld2q_lane_u32): Likewise.
465 (vld2q_lane_u64): Likewise.
466 (vld2q_lane_s8): Likewise.
467 (vld2q_lane_s16): Likewise.
468 (vld2q_lane_s32): Likewise.
469 (vld2q_lane_s64): Likewise.
470 (vld2q_lane_f16): Likewise.
471 (vld2q_lane_f32): Likewise.
472 (vld2q_lane_f64): Likewise.
473 (vld2q_lane_p8): Likewise.
474 (vld2q_lane_p16): Likewise.
475 (vld2q_lane_p64): Likewise.
476 (vld2_lane_bf16): Likewise.
477 (vld2q_lane_bf16): Likewise.
479 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
481 * haifa-sched.c (advance_one_cycle): Output more context-synchronization
484 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
486 * haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
487 (rank_for_schedule): Use it.
489 2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
491 PR rtl-optimization/91598
492 * haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
493 insns after memory reads and before memory writes.
495 2021-08-17 Alistair_Lee <alistair.lee@arm.com>
497 * rtl.h (CONST_VECTOR_P): New macro.
498 * config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
500 (aarch64_ptrue_all_mode): Likewise.
501 (aarch64_expand_mov_immediate): Likewise.
502 (aarch64_const_vec_all_in_range_p): Likewise.
503 (aarch64_rtx_costs): Likewise.
504 (aarch64_legitimate_constant_p): Likewise.
505 (aarch64_simd_valid_immediate): Likewise.
506 (aarch64_simd_make_constant): Likewise.
507 (aarch64_convert_mult_to_shift): Likewise.
508 (aarch64_expand_sve_vec_perm): Likewise.
509 (aarch64_vec_fpconst_pow_of_2): Likewise.
511 2021-08-17 Andrew MacLeod <amacleod@redhat.com>
513 PR tree-optimization/101938
514 * range-op.cc (operator_abs::op1_range): Special case
515 -TYPE_MIN_VALUE for flag_wrapv.
517 2021-08-17 Kewen Lin <linkw@linux.ibm.com>
519 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
522 2021-08-17 Jakub Jelinek <jakub@redhat.com>
524 * tree.def (OMP_SCOPE): New tree code.
525 * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
526 * tree-nested.c (convert_nonlocal_reference_stmt,
527 convert_local_reference_stmt, convert_gimple_call): Handle
529 * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
530 * gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
531 * gimple.c (gimple_build_omp_scope): New function.
532 (gimple_copy): Handle GIMPLE_OMP_SCOPE.
533 * gimple.h (gimple_build_omp_scope): Declare.
534 (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
535 (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
536 gimple_omp_scope_set_clauses): New inline functions.
537 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
538 * gimple-pretty-print.c (dump_gimple_omp_scope): New function.
539 (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
540 * gimple-walk.c (walk_gimple_stmt): Likewise.
541 * gimple-low.c (lower_stmt): Likewise.
542 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
543 (gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
544 like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%>
545 allowing task reductions. Reject inscan reductions on scope.
546 (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
547 (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
548 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
549 (estimate_num_insns): Likewise.
550 * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
551 contexts if var isn't privatized there.
552 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
553 (scan_omp_1_stmt): Likewise.
554 (maybe_add_implicit_barrier_cancel): Look through outer
556 (lower_omp_scope): New function.
557 (lower_omp_task_reductions): Handle OMP_SCOPE.
558 (lower_omp_1): Handle GIMPLE_OMP_SCOPE.
559 (diagnose_sb_1, diagnose_sb_2): Likewise.
560 * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
561 (expand_omp): Handle GIMPLE_OMP_SCOPE.
562 (omp_make_gimple_edges): Likewise.
563 * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
565 2021-08-17 Richard Biener <rguenther@suse.de>
567 PR tree-optimization/101925
568 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
569 reverse on COMPONENT_REF and ARRAY_REF according to
570 what reverse_storage_order_for_component_p does.
571 (vn_reference_eq): Compare reversed on reference ops.
572 (reverse_storage_order_for_component_p): New overload.
573 (vn_reference_lookup_3): Check reverse_storage_order_for_component_p
574 on the reference looked up.
576 2021-08-17 Jeff Law <jlaw@localhost.localdomain>
578 * config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
580 (h8300_option_override): Use loops on H8/S more often when optimizing
582 (get_shift_alg): Handle new "special" cases on H8/S. Simplify
583 accordingly. Handle various arithmetic right shifts with special
584 sequences that we couldn't handle before.
586 2021-08-16 Jeff Law <jlaw@localhost.localdomain>
588 * config.gcc (rl78-*-elf*): Do not include dbxelf.h.
590 2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
592 * config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
593 * config/sparc/sparc.c (sparc_gcov_type_size): New.
594 (TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
595 * coverage.c (get_gcov_type): Use targetm.gcov_type_size().
596 * doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
597 * doc/tm.texi.in: Regenerate.
598 * target.def (gcov_type_size): New target hook.
599 * targhooks.c (default_gcov_type_size): New.
600 * targhooks.h (default_gcov_type_size): Declare.
601 * tree-profile.c (gimple_gen_edge_profiler): Use precision of
603 (gimple_gen_time_profiler): Likewise.
605 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
607 * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
609 2021-08-16 Tobias Burnus <tobias@codesourcery.com>
612 * omp-low.c (omp_runtime_api_call): Update for routines
613 added in the meanwhile.
615 2021-08-16 Martin Liska <mliska@suse.cz>
617 PR tree-optimization/100393
618 * tree-switch-conversion.c (group_cluster::dump): Use
619 get_comparison_count.
620 (jump_table_cluster::find_jump_tables): Pre-compute number of
621 comparisons and then decrement it. Cache also max_ratio.
622 (jump_table_cluster::can_be_handled): Change signature.
623 * tree-switch-conversion.h (get_comparison_count): New.
625 2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
627 * dwarf2out.c (add_data_member_location_attribute): Use GNAT
628 encodings only when -fgnat-encodings=all is specified.
629 (add_bound_info): Likewise.
630 (add_byte_size_attribute): Likewise.
631 (gen_member_die): Likewise.
633 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
635 * omp-oacc-neuter-broadcast.cc
636 (execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
638 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
640 * omp-oacc-neuter-broadcast.cc
641 (execute_omp_oacc_neuter_broadcast): Clarify memory management for
644 2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
646 * omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
647 (execute_omp_oacc_neuter_broadcast): ... here.
648 (install_var_field, build_receiver_ref, build_sender_ref): Take
649 'field_map_t *' parameter. Adjust all users.
650 (worker_single_copy, neuter_worker_single): Take a
651 'record_field_map_t *' parameter. Adjust all users.
653 2021-08-16 liuhongt <hongtao.liu@intel.com>
656 * config/i386/i386.md (ldexp<mode>3): Force operands[1] to
659 2021-08-16 Martin Liska <mliska@suse.cz>
662 * multiple_target.c (create_dispatcher_calls): Make default
663 function local only if it is a definition.
665 2021-08-16 Martin Liska <mliska@suse.cz>
668 * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
669 consider equal SSA_NAMEs when one is a param.
671 2021-08-16 liuhongt <hongtao.liu@intel.com>
674 * config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
675 Support vpermi2b for V32QI/V16QImode.
676 (ix86_extract_perm_from_pool_constant): New function.
677 (ix86_expand_vec_one_operand_perm_avx512): Support
678 vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
679 (expand_vec_perm_1): Adjust comments for upper.
680 * config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
682 * config/i386/predicates.md (permvar_truncate_operand): New predicate.
683 (pshufb_truncv4siv4hi_operand): Ditto.
684 (pshufb_truncv8hiv8qi_operand): Ditto.
685 * config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
686 New pre_reload define_insn_and_split.
687 (*avx512f_permvar_truncv8siv8hi_1): Ditto.
688 (*avx512f_vpermvar_truncv8div8si_1): Ditto.
689 (*avx512f_permvar_truncv32hiv32qi_1): Ditto.
690 (*avx512f_permvar_truncv16hiv16qi_1): Ditto.
691 (*avx512f_permvar_truncv4div4si_1): Ditto.
692 (*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
693 (*avx512f_pshufb_truncv4siv4hi_1): Ditto.
694 (*avx512f_pshufd_truncv2div2si_1): Ditto.
696 2021-08-16 Kito Cheng <kito.cheng@sifive.com>
698 * config/riscv/multilib-generator: Support code model option for
700 * doc/install.texi: Add document of new option for
701 --with-multilib-generator.
703 2021-08-15 Clément Chigot <clement.chigot@atos.net>
705 * config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
706 (rs6000_legitimize_tls_address_aix): Use it.
707 (rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
708 xcoff_tls_exec_model_detected is true.
710 2021-08-15 Jeff Law <jlaw@localhost.localdomain>
712 * config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
713 to allow a bit more code growth, saving many dozens of cycles.
714 (h8300_option_override): Adjus shift_alg_si if optimizing for
716 (get_shift_alg): Use special + inline shifts for residuals
719 2021-08-14 Stafford Horne <shorne@gmail.com>
722 * config/or1k/or1k-opts.h: New file.
723 * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
724 Support generating gotha relocations if -mcmodel=large is
726 * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
728 * config/or1k/or1k.opt (mcmodel=): New option.
729 * doc/invoke.texi (OpenRISC Options): Document mcmodel.
731 2021-08-14 Martin Sebor <msebor@redhat.com>
734 * gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
735 to valid_new_delete_pair_p.
736 * tree.c (valid_new_delete_pair_p): Add argument.
737 * tree.h (valid_new_delete_pair_p): Same.
739 2021-08-14 Jakub Jelinek <jakub@redhat.com>
742 * config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
743 <case E_V64QImode>: For this mode assert
744 !TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
746 2021-08-13 Michael Meissner <meissner@linux.ibm.com>
749 * config/rs6000/altivec.md (xxeval): Use register_predicate
750 instead of altivec_register_predicate.
752 2021-08-13 Martin Sebor <msebor@redhat.com>
755 * tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
756 (maybe_warn_operand): Call it.
758 2021-08-13 Martin Liska <mliska@suse.cz>
761 * attribs.c (decl_attributes): Make naked functions "noipa"
764 2021-08-13 Martin Liska <mliska@suse.cz>
767 * symtab.c (symtab_node::noninterposable_alias): Do not create
768 local aliases for target_clone functions as the clonning pass
771 2021-08-13 Martin Liska <mliska@suse.cz>
773 * opts.c (LIVE_PATCHING_OPTION): Define.
774 (control_options_for_live_patching): Use it in error messages.
776 2021-08-13 Jan Hubicka <hubicka@ucw.cz>
778 * ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
779 (implicit_const_eaf_flags, implicit_pure_eaf_flags,
780 ignore_stores_eaf_flags): New constants.
781 (remove_useless_eaf_flags): New function.
782 (eaf_flags_useful_p): Use it.
783 (deref_flags): Add EAF_NOT_RETURNED if flag is unused;
785 (modref_lattice::init): Add EAF_NOREAD.
786 (modref_lattice::add_escape_point): Do not reacord escape point if
788 (modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
789 use remove_useless_eaf_flags.
790 (modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
791 (modref_lattice::merge_direct_load): Add EAF_NOREAD
792 (analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
793 (analyze_parms): Use remove_useless_eaf_flags.
794 (ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
795 (modref_merge_call_site_flags): Add caller and ecf_flags parameter;
796 use remove_useless_eaf_flags.
797 (modref_propagate_flags_in_scc): Update.
798 * ipa-modref.h: Turn eaf_flags_t back to char.
799 * tree-core.h (EAF_NOT_RETURNED): Fix.
800 (EAF_NOREAD): New constant
801 * tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
803 * tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
804 (handle_pure_call): Likewise.
806 2021-08-12 Jakub Jelinek <jakub@redhat.com>
808 * tree.def (OMP_MASKED): New tree code.
809 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
810 * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
811 OMP_CLAUSE_FILTER_EXPR): Define.
812 * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
813 (omp_clause_code_name): Likewise.
814 (walk_tree_1): Handle OMP_CLAUSE_FILTER.
815 * tree-nested.c (convert_nonlocal_omp_clauses,
816 convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
817 (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
818 convert_gimple_call): Handle GIMPLE_OMP_MASTER.
819 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
820 (dump_generic_node): Handle OMP_MASTER.
821 * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
822 * gimple.c (gimple_build_omp_masked): New function.
823 (gimple_copy): Handle GIMPLE_OMP_MASKED.
824 * gimple.h (gimple_build_omp_masked): Declare.
825 (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
826 (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
827 gimple_omp_masked_set_clauses): New inline functions.
828 (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
829 * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
830 (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
831 * gimple-walk.c (walk_gimple_stmt): Likewise.
832 * gimple-low.c (lower_stmt): Likewise.
833 * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
834 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
835 that take one expression rather than decl or constant, force
836 gimplification of that into a SSA_NAME or temporary unless min
838 (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
839 (gimplify_expr): Handle OMP_MASKED.
840 * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
841 (estimate_num_insns): Likewise.
842 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
843 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
844 diagnostics for existence of masked construct.
845 (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
846 diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
847 * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
850 2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
853 * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
854 (ldexp<mode>3): Use avx512f_scalef<mode>2.
855 (UNSPEC_SCALEF): Move from ...
856 * config/i386/sse.md (UNSPEC_SCALEF): ... here.
858 2021-08-12 Jan Hubicka <hubicka@ucw.cz>
860 * ipa-split.c (consider_split): Fix condition testing void functions.
862 2021-08-12 Aldy Hernandez <aldyh@redhat.com>
864 * doc/invoke.texi: Remove docs for threader-mode param.
865 * flag-types.h (enum threader_mode): Remove.
866 * params.opt: Remove threader-mode param.
867 * tree-ssa-threadbackward.c (class back_threader): Remove
868 path_is_unreachable_p.
869 Make find_paths private.
870 Add maybe_thread and thread_through_all_blocks.
871 Remove reference marker for m_registry.
872 Remove reference marker for m_profit.
873 (back_threader::back_threader): Adjust for registry and profit not
875 (dump_path): Move down.
877 (class thread_jumps): Remove.
878 (class back_threader_registry): Remove m_all_paths.
880 (thread_jumps::thread_through_all_blocks): Move to back_threader
882 (fsm_find_thread_path): Remove
883 (back_threader::maybe_thread): New.
884 (back_threader::thread_through_all_blocks): Move from
886 (back_threader_registry::back_threader_registry): Remove
888 (back_threader_registry::~back_threader_registry): Remove.
889 (thread_jumps::find_taken_edge): Remove.
890 (thread_jumps::check_subpath_and_update_thread_path): Remove.
891 (thread_jumps::maybe_register_path): Remove.
892 (thread_jumps::handle_phi): Remove.
893 (handle_assignment_p): Remove.
894 (thread_jumps::handle_assignment): Remove.
895 (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
896 (thread_jumps::find_jump_threads_backwards): Remove.
897 (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
898 (try_thread_blocks): Rename find_jump_threads_backwards to
900 (pass_early_thread_jumps::execute): Same.
902 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
904 * tree-core.h (omp_clause_proc_bind_kind): Add
905 OMP_CLAUSE_PROC_BIND_PRIMARY.
906 * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
907 change 'master' to 'primary' in proc_bind for OpenMP 5.1.
909 2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
911 * common/config/arc/arc-common.c (arc_option_init_struct): Remove
912 fno-common reference.
913 * config/arc/arc.c (arc_override_options): Remove overriding of
916 2021-08-12 Jakub Jelinek <jakub@redhat.com>
919 * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
920 If d->testing_p, return true after performing checks instead of
921 actually expanding the insn.
922 (expand_vec_perm_broadcast_1): Handle V32HImode - assert
923 !TARGET_AVX512BW and return false.
925 2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
927 * configure.ac (PE linker --disable-dynamicbase support): New check.
928 * configure: Regenerate.
929 * config.in: Likewise.
930 * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
932 * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
933 (LINK_SPEC): Likewise.
935 2021-08-12 liuhongt <hongtao.liu@intel.com>
938 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
939 post_reload define_insn_and_split.
940 (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
941 (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
942 (*avx512f_zero_extendv16hiv16si2_2): Ditto.
943 (*avx2_zero_extendv8hiv8si2_2): Ditto.
944 (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
945 (*avx512f_zero_extendv8siv8di2_2): Ditto.
946 (*avx2_zero_extendv4siv4di2_2): Ditto.
947 (*sse4_1_zero_extendv2siv2di2_4): Ditto.
948 (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
951 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
953 * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
956 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
958 * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
960 2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
962 * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
963 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
964 initialization of pcvoid_type_node here...
965 (altivec_init_builtins): ...from here.
966 * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
967 RS6000_BTI_const_ptr_void.
968 (pcvoid_type_node): New macro.
970 2021-08-11 Richard Biener <rguenther@suse.de>
973 * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
974 hard-register accesses.
976 2021-08-11 Richard Biener <rguenther@suse.de>
978 * tree-ssa-operands.c (operands_scanner::get_expr_operands):
979 Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
980 to determine has_volatile_ops.
982 2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
984 * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
986 2021-08-11 Jan Hubicka <hubicka@ucw.cz>
987 Alexandre Oliva <oliva@adacore.com>
989 * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
991 (modref_lattice::merge_deref): Fix handling of indirect scape points.
992 (update_escape_summary_1): Likewise.
993 (update_escape_summary): Likewise.
994 (ipa_merge_modref_summary_after_inlining): Likewise.
996 2021-08-11 Richard Biener <rguenther@suse.de>
999 * fold-const.c (fold_binary_loc): Guard simplification
1000 of X < (cast) (1 << Y) to integer types.
1002 2021-08-11 Richard Biener <rguenther@suse.de>
1004 PR tree-optimization/101861
1005 * tree-vect-stmts.c (vectorizable_load): Fix error in
1006 previous change with regard to gather vectorization.
1008 2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
1011 * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
1013 (vdup_n_s16): Likewise.
1014 (vdup_n_s32): Likewise.
1015 (vdup_n_s64): Likewise.
1016 (vdup_n_u8): Likewise.
1017 (vdup_n_u16): Likewise.
1018 (vdup_n_u32): Likewise.
1019 (vdup_n_u64): Likewise.
1020 (vdup_n_p8): Likewise.
1021 (vdup_n_p16): Likewise.
1022 (vdup_n_p64): Likewise.
1023 (vdup_n_f16): Likewise.
1024 (vdup_n_f32): Likewise.
1025 (vdupq_n_s8): Likewise.
1026 (vdupq_n_s16): Likewise.
1027 (vdupq_n_s32): Likewise.
1028 (vdupq_n_s64): Likewise.
1029 (vdupq_n_u8): Likewise.
1030 (vdupq_n_u16): Likewise.
1031 (vdupq_n_u32): Likewise.
1032 (vdupq_n_u64): Likewise.
1033 (vdupq_n_p8): Likewise.
1034 (vdupq_n_p16): Likewise.
1035 (vdupq_n_p64): Likewise.
1036 (vdupq_n_f16): Likewise.
1037 (vdupq_n_f32): Likewise.
1038 (vmov_n_s8): Replace call to builtin with call to corresponding
1040 (vmov_n_s16): Likewise.
1041 (vmov_n_s32): Likewise.
1042 (vmov_n_s64): Likewise.
1043 (vmov_n_u8): Likewise.
1044 (vmov_n_u16): Likewise.
1045 (vmov_n_u32): Likewise.
1046 (vmov_n_u64): Likewise.
1047 (vmov_n_p8): Likewise.
1048 (vmov_n_p16): Likewise.
1049 (vmov_n_f16): Likewise.
1050 (vmov_n_f32): Likewise.
1051 (vmovq_n_s8): Likewise.
1052 (vmovq_n_s16): Likewise.
1053 (vmovq_n_s32): Likewise.
1054 (vmovq_n_s64): Likewise.
1055 (vmovq_n_u8): Likewise.
1056 (vmovq_n_u16): Likewise.
1057 (vmovq_n_u32): Likewise.
1058 (vmovq_n_u64): Likewise.
1059 (vmovq_n_p8): Likewise.
1060 (vmovq_n_p16): Likewise.
1061 (vmovq_n_f16): Likewise.
1062 (vmovq_n_f32): Likewise.
1063 * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
1065 2021-08-11 liuhongt <hongtao.liu@intel.com>
1068 * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
1069 when TARGET_AVX512F and TARGET_SSE_MATH.
1071 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1074 * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
1075 for V32HImode if !TARGET_AVX512BW.
1076 (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
1077 If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
1078 early, but actually check the permutation.
1080 2021-08-10 Richard Biener <rguenther@suse.de>
1082 PR tree-optimization/101809
1083 * tree-vect-stmts.c (get_load_store_type): Allow emulated
1084 gathers with offset vector nunits being a constant multiple
1085 of the data vector nunits.
1086 (vect_get_gather_scatter_ops): Use the appropriate nunits
1087 for the offset vector defs.
1088 (vectorizable_store): Adjust call to
1089 vect_get_gather_scatter_ops.
1090 (vectorizable_load): Likewise. Handle the case of less
1091 offset vectors than data vectors.
1093 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1096 * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
1097 *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
1100 2021-08-10 Richard Biener <rguenther@suse.de>
1102 PR tree-optimization/101801
1103 PR tree-optimization/101819
1104 * tree-vectorizer.h (vect_emulated_vector_p): Declare.
1105 * tree-vect-loop.c (vect_emulated_vector_p): New function.
1106 (vectorizable_reduction): Re-instantiate a check for emulated
1108 * tree-vect-stmts.c (vectorizable_shift): Likewise.
1109 (vectorizable_operation): Likewise. Cost emulated vector
1110 operations according to the scalar sequence synthesized by
1113 2021-08-10 Richard Biener <rguenther@suse.de>
1115 PR middle-end/101824
1116 * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
1117 volatile in case the variable was.
1119 2021-08-10 H.J. Lu <hjl.tools@gmail.com>
1122 * config/i386/constraints.md (BC): Document for integer SSE
1123 constant all bits set operand.
1124 (BF): New constraint for const floating-point all bits set
1126 * config/i386/i386.c (standard_sse_constant_p): Likewise.
1127 (standard_sse_constant_opcode): Likewise.
1128 * config/i386/sse.md (sseconstm1): New mode attribute.
1129 (mov<mode>_internal): Replace BC with <sseconstm1>.
1131 2021-08-10 liuhongt <hongtao.liu@intel.com>
1133 * config/i386/sse.md (cond_<insn><mode>): New expander.
1134 (VI248_AVX512VLBW): New mode iterator.
1135 * config/i386/predicates.md
1136 (nonimmediate_or_const_vec_dup_operand): New predicate.
1138 2021-08-09 Andrew MacLeod <amacleod@redhat.com>
1140 PR tree-optimization/101741
1141 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
1142 type of parameter for toupper/tolower.
1144 2021-08-09 Martin Jambor <mjambor@suse.cz>
1147 * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
1149 2021-08-09 Pat Haugen <pthaugen@linux.ibm.com>
1151 * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
1153 (is_store_insn1): Verify source is a register.
1155 2021-08-09 Uroš Bizjak <ubizjak@gmail.com>
1158 * config/i386/mmx.md (<any_logic:code>v2sf3):
1159 Rename from *mmx_<any_logic:code>v2sf3
1161 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1163 * config/nvptx/nvptx.c: Cross-reference parts adapted in
1164 'gcc/omp-oacc-neuter-broadcast.cc'.
1165 * omp-low.c: Likewise.
1166 * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
1169 2021-08-09 Julian Brown <julian@codesourcery.com>
1170 Kwok Cheung Yeung <kcy@codesourcery.com>
1171 Thomas Schwinge <thomas@codesourcery.com>
1173 * config/gcn/gcn.c (gcn_init_builtins): Override decls for
1174 BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
1175 BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
1176 (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
1177 (gcn_fork_join): Update comment.
1178 * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
1179 (macc_experimental_workers): Remove unused option.
1181 2021-08-09 Julian Brown <julian@codesourcery.com>
1182 Nathan Sidwell <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
1183 Kwok Cheung Yeung <kcy@codesourcery.com>
1184 Thomas Schwinge <thomas@codesourcery.com>
1186 * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
1187 * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
1188 Add documentation hook.
1189 * doc/tm.texi: Regenerate.
1190 * omp-oacc-neuter-broadcast.cc: New file.
1191 * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
1192 (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
1193 (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
1194 * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
1195 * target.def (goacc.create_worker_broadcast_record): Add target
1197 * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
1199 * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
1200 Rename prototype to...
1201 (gcn_goacc_create_worker_broadcast_record): ... this.
1202 * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
1204 (gcn_goacc_create_worker_broadcast_record): ... this.
1205 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
1207 (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
1209 2021-08-09 Tejas Belagod <tejas.belagod@arm.com>
1212 * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
1215 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1217 * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
1219 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1221 * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
1222 consider '-foffload-abi'.
1223 * common.opt (-foffload-abi): Remove 'Var', 'Init'.
1224 * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
1227 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1229 * optc-gen.awk: Sanity check that 'Init' doesn't appear without
1232 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1234 * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
1236 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1238 * doc/gty.texi (Files): Update.
1240 2021-08-09 Thomas Schwinge <thomas@codesourcery.com>
1242 * doc/gty.texi (Files): Fix GTY header file example.
1244 2021-08-09 Roger Sayle <roger@nextmovesoftware.com>
1246 * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
1247 determine the upper and lower bounds from a mask-value pair.
1248 (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
1249 absolute value and unsigned absolute value expressions.
1250 (bit_value_binop): Initialize *VAL's precision.
1251 [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
1252 upper and lower bounds of operands. Add LE_EXPR/GE_EXPR
1253 support when the operands are unknown but potentially equal.
1254 [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
1256 2021-08-09 Bin Cheng <bin.cheng@linux.alibaba.com>
1258 * config/aarch64/aarch64.md
1259 (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
1261 2021-08-08 Sergei Trofimovich <siarheit@google.com>
1263 * lra-constraints.c: Fix s/otput/output/ typo.
1265 2021-08-06 Martin Sebor <msebor@redhat.com>
1267 * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
1268 (expand_builtin_strcat): Same.
1269 (expand_builtin_stpncpy): Same.
1270 (expand_builtin_strncat): Same.
1271 (check_read_access): Same.
1272 (check_memop_access): Same.
1273 (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
1274 (expand_builtin_strnlen): Same.
1275 (expand_builtin_memcpy): Same.
1276 (expand_builtin_memmove): Same.
1277 (expand_builtin_mempcpy): Same.
1278 (expand_builtin_strcpy): Same.
1279 (expand_builtin_strcpy_args): Same.
1280 (expand_builtin_stpcpy_1): Same.
1281 (expand_builtin_strncpy): Same.
1282 (expand_builtin_memset): Same.
1283 (expand_builtin_bzero): Same.
1284 (expand_builtin_strcmp): Same.
1285 (expand_builtin_strncmp): Same.
1286 (expand_builtin): Remove handlers.
1287 (fold_builtin_strlen): Add a comment.
1288 * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
1289 * calls.c (maybe_warn_nonstring_arg): Same.
1290 * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
1291 * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
1292 (gimple_fold_builtin_stpcpy): Same.
1293 * gimple-ssa-warn-access.cc (has_location): New function.
1294 (get_location): Same.
1295 (get_callee_fndecl): Same.
1298 (warn_string_no_nul): Define.
1299 (unterminated_array): Same.
1300 (check_nul_terminated_array): Same.
1301 (maybe_warn_nonstring_arg): Same.
1302 (maybe_warn_for_bound): Same.
1303 (warn_for_access): Same.
1304 (check_access): Same.
1305 (check_memop_access): Same.
1306 (check_read_access): Same.
1307 (warn_dealloc_offset): Use helper functions.
1308 (maybe_emit_free_warning): Same.
1309 (class pass_waccess): Add members.
1310 (check_strcat): New function.
1311 (check_strncat): New function.
1312 (check_stxcpy): New function.
1313 (check_stxncpy): New function.
1314 (check_strncmp): New function.
1315 (pass_waccess::check_builtin): New function.
1316 (pass_waccess::check): Call it.
1317 * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
1319 (maybe_warn_for_bound): Same.
1320 (check_access): Same.
1321 (check_memop_access): Same.
1322 (check_read_access): Same.
1323 * pointer-query.h (struct access_data): Define a ctor overload.
1325 2021-08-06 Richard Biener <rguenther@suse.de>
1327 PR tree-optimization/101801
1328 * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
1329 (vect_can_vectorize_without_simd_p): ... to this.
1330 * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
1331 (vect_can_vectorize_without_simd_p): ... to this and fold
1332 in vect_min_worthwhile_factor.
1333 (vect_min_worthwhile_factor): Remove.
1334 (vectorizable_reduction): Adjust and remove the cost part.
1335 * tree-vect-stmts.c (vectorizable_shift): Likewise.
1336 (vectorizable_operation): Likewise.
1338 2021-08-06 Uroš Bizjak <ubizjak@gmail.com>
1341 * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
1342 Add general_gr_operand predicate to operand 3.
1344 2021-08-06 Roger Sayle <roger@nextmovesoftware.com>
1346 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
1347 CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
1349 2021-08-06 Tamar Christina <tamar.christina@arm.com>
1351 * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
1352 register_svprfop): Pass vec<> by pointer.
1353 * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
1354 * langhooks.c (lhd_simulate_enum_decl): Likewise.
1355 * langhooks.h (struct lang_hooks_for_types): Likewise.
1357 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
1359 * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
1360 __builtin_memcpy instead of constructing an additional
1361 __builtin_aarch64_simd_oi one vector at a time.
1362 (vst1q_bf16_x2): Likewise.
1363 (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
1364 an additional __builtin_aarch64_simd_ci one vector at a time.
1365 (vst1q_bf16_x3): Likewise.
1366 (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
1367 (vst1q_bf16_x4): Likewise.
1368 (vst2_bf16): Use __builtin_memcpy instead of constructing an
1369 additional __builtin_aarch64_simd_oi one vector at a time.
1370 (vst2q_bf16): Likewise.
1371 (vst3_bf16): Use __builtin_memcpy instead of constructing an
1372 additional __builtin_aarch64_simd_ci mode one vector at a
1374 (vst3q_bf16): Likewise.
1375 (vst4_bf16): Use __builtin_memcpy instead of constructing an
1376 additional __builtin_aarch64_simd_xi one vector at a time.
1377 (vst4q_bf16): Likewise.
1379 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
1381 * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
1382 (__ST2Q_LANE_FUNC): Delete.
1383 (vst2_lane_f16): Use __builtin_memcpy to copy vector
1384 structure instead of constructing __builtin_aarch64_simd_oi
1385 one vector at a time.
1386 (vst2_lane_f32): Likewise.
1387 (vst2_lane_f64): Likewise.
1388 (vst2_lane_p8): Likewise.
1389 (vst2_lane_p16): Likewise.
1390 (vst2_lane_p64): Likewise.
1391 (vst2_lane_s8): Likewise.
1392 (vst2_lane_s16): Likewise.
1393 (vst2_lane_s32): Likewise.
1394 (vst2_lane_s64): Likewise.
1395 (vst2_lane_u8): Likewise.
1396 (vst2_lane_u16): Likewise.
1397 (vst2_lane_u32): Likewise.
1398 (vst2_lane_u64): Likewise.
1399 (vst2_lane_bf16): Likewise.
1400 (vst2q_lane_f16): Use __builtin_memcpy to copy vector
1401 structure instead of using a union.
1402 (vst2q_lane_f32): Likewise.
1403 (vst2q_lane_f64): Likewise.
1404 (vst2q_lane_p8): Likewise.
1405 (vst2q_lane_p16): Likewise.
1406 (vst2q_lane_p64): Likewise.
1407 (vst2q_lane_s8): Likewise.
1408 (vst2q_lane_s16): Likewise.
1409 (vst2q_lane_s32): Likewise.
1410 (vst2q_lane_s64): Likewise.
1411 (vst2q_lane_u8): Likewise.
1412 (vst2q_lane_u16): Likewise.
1413 (vst2q_lane_u32): Likewise.
1414 (vst2q_lane_u64): Likewise.
1415 (vst2q_lane_bf16): Likewise.
1417 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
1419 * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
1420 (__ST3Q_LANE_FUNC): Delete.
1421 (vst3_lane_f16): Use __builtin_memcpy to copy vector
1422 structure instead of constructing __builtin_aarch64_simd_ci
1423 one vector at a time.
1424 (vst3_lane_f32): Likewise.
1425 (vst3_lane_f64): Likewise.
1426 (vst3_lane_p8): Likewise.
1427 (vst3_lane_p16): Likewise.
1428 (vst3_lane_p64): Likewise.
1429 (vst3_lane_s8): Likewise.
1430 (vst3_lane_s16): Likewise.
1431 (vst3_lane_s32): Likewise.
1432 (vst3_lane_s64): Likewise.
1433 (vst3_lane_u8): Likewise.
1434 (vst3_lane_u16): Likewise.
1435 (vst3_lane_u32): Likewise.
1436 (vst3_lane_u64): Likewise.
1437 (vst3_lane_bf16): Likewise.
1438 (vst3q_lane_f16): Use __builtin_memcpy to copy vector
1439 structure instead of using a union.
1440 (vst3q_lane_f32): Likewise.
1441 (vst3q_lane_f64): Likewise.
1442 (vst3q_lane_p8): Likewise.
1443 (vst3q_lane_p16): Likewise.
1444 (vst3q_lane_p64): Likewise.
1445 (vst3q_lane_s8): Likewise.
1446 (vst3q_lane_s16): Likewise.
1447 (vst3q_lane_s32): Likewise.
1448 (vst3q_lane_s64): Likewise.
1449 (vst3q_lane_u8): Likewise.
1450 (vst3q_lane_u16): Likewise.
1451 (vst3q_lane_u32): Likewise.
1452 (vst3q_lane_u64): Likewise.
1453 (vst3q_lane_bf16): Likewise.
1455 2021-08-06 Jonathan Wright <jonathan.wright@arm.com>
1457 * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
1458 (__ST4Q_LANE_FUNC): Delete.
1459 (vst4_lane_f16): Use __builtin_memcpy to copy vector
1460 structure instead of constructing __builtin_aarch64_simd_xi
1461 one vector at a time.
1462 (vst4_lane_f32): Likewise.
1463 (vst4_lane_f64): Likewise.
1464 (vst4_lane_p8): Likewise.
1465 (vst4_lane_p16): Likewise.
1466 (vst4_lane_p64): Likewise.
1467 (vst4_lane_s8): Likewise.
1468 (vst4_lane_s16): Likewise.
1469 (vst4_lane_s32): Likewise.
1470 (vst4_lane_s64): Likewise.
1471 (vst4_lane_u8): Likewise.
1472 (vst4_lane_u16): Likewise.
1473 (vst4_lane_u32): Likewise.
1474 (vst4_lane_u64): Likewise.
1475 (vst4_lane_bf16): Likewise.
1476 (vst4q_lane_f16): Use __builtin_memcpy to copy vector
1477 structure instead of using a union.
1478 (vst4q_lane_f32): Likewise.
1479 (vst4q_lane_f64): Likewise.
1480 (vst4q_lane_p8): Likewise.
1481 (vst4q_lane_p16): Likewise.
1482 (vst4q_lane_p64): Likewise.
1483 (vst4q_lane_s8): Likewise.
1484 (vst4q_lane_s16): Likewise.
1485 (vst4q_lane_s32): Likewise.
1486 (vst4q_lane_s64): Likewise.
1487 (vst4q_lane_u8): Likewise.
1488 (vst4q_lane_u16): Likewise.
1489 (vst4q_lane_u32): Likewise.
1490 (vst4q_lane_u64): Likewise.
1491 (vst4q_lane_bf16): Likewise.
1493 2021-08-06 Martin Liska <mliska@suse.cz>
1495 * config/rs6000/rs6000.c (rs6000_option_override_internal): When
1496 a target option is restored, it can have
1497 rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
1498 and error should not be emitted.
1500 2021-08-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
1502 * gcov-io.h (gcov_write): Declare.
1503 * gcov-io.c (gcov_write): New.
1504 (gcov_write_counter): Remove.
1505 (gcov_write_tag_length): Likewise.
1506 (gcov_write_summary): Replace gcov_write_tag_length() with calls to
1507 gcov_write_unsigned().
1508 * doc/invoke.texi (fprofile-info-section): Mention
1509 __gcov_info_to_gdca().
1511 2021-08-06 Martin Sebor <msebor@redhat.com>
1513 * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
1514 arguments to by-reference.
1515 (iterate_fix_dominators): Same.
1516 * dominance.h (iterate_fix_dominators): Same.
1517 * ipa-prop.h: Call auto_vec::to_vec_legacy.
1518 * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
1519 arguments to by-reference.
1520 (debug_data_dependence_relation): Same.
1521 (dump_data_dependence_relations): Same.
1522 * tree-data-ref.h (debug_data_dependence_relation): Same.
1523 (dump_data_dependence_relations): Same.
1524 * tree-predcom.c (dump_chains): Same.
1525 (initialize_root_vars_lm): Same.
1526 (determine_unroll_factor): Same.
1527 (replace_phis_by_defined_names): Same.
1528 (insert_init_seqs): Same.
1529 (pcom_worker::tree_predictive_commoning_loop): Call
1530 auto_vec::to_vec_legacy.
1531 * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
1532 arguments to by-reference.
1533 * tree-ssa-threadbackward.c (populate_worklist): Same.
1534 (back_threader::resolve_def): Same.
1535 * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
1536 (vect_enhance_data_refs_alignment): Same.
1537 (vect_check_lower_bound): Same.
1538 (vect_prune_runtime_alias_test_list): Same.
1539 (vect_permute_store_chain): Same.
1540 * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
1541 * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
1542 * tree-vectorizer.h (vect_permute_store_chain): Same.
1543 * vec.c (test_init): New function.
1544 (vec_c_tests): Call new function.
1545 * vec.h (vec): Declare ctors, dtor, and assignment.
1546 (auto_vec::vec_to_legacy): New function.
1547 (vec::copy): Adjust initialization.
1549 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
1552 * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
1553 callee only uses GPRs.
1554 * config/i386/ia32intrin.h: Revert commit 5463cee2770.
1555 * config/i386/serializeintrin.h: Revert commit 71958f740f1.
1556 * config/i386/x86gprintrin.h: Add
1557 #pragma GCC target("general-regs-only") and #pragma GCC pop_options
1558 to disable non-GPR ISAs.
1560 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
1562 PR middle-end/101787
1563 * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
1565 2021-08-05 Richard Sandiford <richard.sandiford@arm.com>
1567 * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
1568 (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
1569 (vect_is_extending_load, vect_is_integer_truncation): New functions,
1570 moved from aarch64.c but given different names.
1571 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
1572 (aarch64_is_reduction, aarch64_reduc_type)
1573 (aarch64_embedded_comparison_type, aarch64_comparison_type)
1574 (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
1575 in favor of the above. Update callers accordingly.
1577 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
1580 * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
1581 writing .cpu directive in asm output.
1582 * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
1583 (arm_last_printed_arch_string): Delete.
1584 (arm_last-printed_fpu_string): Delete.
1585 (arm_configure_build_target): If use of floating-point/SIMD is
1586 disabled, remove all fp/simd related features from the target ISA.
1587 (last_arm_targ_options): New variable.
1588 (arm_print_asm_arch_directives): Add new parameters. Change order
1589 of emitted directives and handle all cases here.
1590 (arm_file_start): Always call arm_print_asm_arch_directives, move
1591 all generation of .arch/.arch_extension here.
1592 (arm_file_end): Call arm_print_asm_arch.
1593 (arm_declare_function_name): Call arm_print_asm_arch_directives
1594 instead of printing .arch/.fpu directives directly.
1596 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
1598 * config/arm/arm.c (arm_configure_build_target): Don't call
1599 arm_option_reconfigure_globals.
1600 (arm_option_restore): Call arm_option_reconfigure_globals after
1601 reconfiguring the target.
1602 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
1604 2021-08-05 Richard Earnshaw <rearnsha@arm.com>
1606 * config/arm/arm.c (arm_configure_build_target): Ensure the target's
1607 arch_name is always set.
1609 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
1611 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
1612 of vec_select high-half from being added into Neon subtract
1615 2021-08-05 Jonathan Wright <jonathan.wright@arm.com>
1617 * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
1618 of vec_select high-half from being added into Neon add cost.
1620 2021-08-05 Kewen Lin <linkw@linux.ibm.com>
1622 * cfgloop.h (loops_list::loops_list): Add one optional argument
1623 root and adjust accordingly, update loop tree walking and factor
1625 * cfgloop.c (loops_list::walk_loop_tree): ... this. New function.
1627 2021-08-05 Eric Botcazou <ebotcazou@gcc.gnu.org>
1629 PR tree-optimization/101626
1630 * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
1631 reverse scalar storage order on a pointer or vector component.
1633 2021-08-05 liuhongt <hongtao.liu@intel.com>
1635 * config/i386/sse.md (cond_<code><mode>): New expander.
1637 2021-08-05 liuhongt <hongtao.liu@intel.com>
1639 * config/i386/sse.md (cond_<code><mode>): New expander.
1641 2021-08-05 liuhongt <hongtao.liu@intel.com>
1643 * config/i386/sse.md (cond_<code><mode>): New expander.
1645 2021-08-04 David Malcolm <dmalcolm@redhat.com>
1648 * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
1650 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
1653 * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
1654 only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
1656 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
1659 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
1660 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
1661 data with SSE register from one memory location to another.
1663 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
1665 * config/s390/s390.c (expand_perm_with_vpdi): New function.
1666 (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
1667 * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
1668 parameterized expander.
1669 (*vpdi4<mode>, @vpdi4<mode>): Likewise.
1671 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
1673 * config/s390/s390.c (MAX_VECT_LEN): Define macro.
1674 (struct expand_vec_perm_d): Define struct.
1675 (expand_perm_with_merge): New function.
1676 (vectorize_vec_perm_const_1): New function.
1677 (s390_vectorize_vec_perm_const): New function.
1678 (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
1680 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
1682 * config/s390/vector.md (V_HW_64): Remove mode iterator.
1683 (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
1684 * config/s390/vx-builtins.md
1685 (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
1688 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
1690 * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
1692 * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
1694 * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
1695 instead of an unspec.
1697 2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
1699 * config/s390/s390-modes.def: Add more vector modes to support
1700 concatenation of two vectors.
1701 * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
1703 (s390_expand_merge): Likewise.
1704 * config/s390/s390.c (s390_expand_merge_perm_const): New function.
1705 (s390_expand_merge): New function.
1706 * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
1707 Remove constant definitions.
1708 * config/s390/vector.md (V_HW_2): Add mode iterators.
1709 (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
1710 (vec_2x_nelts, vec_2x_wide): New mode attributes.
1711 (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
1712 New pattern definitions.
1713 (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
1714 (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
1715 (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
1716 (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
1718 * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
1720 (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
1721 emit vec merge pattern.
1723 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
1725 * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
1727 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
1728 vec_select high-half from being added into Neon multiply
1730 * rtlanal.c (vec_series_highpart_p): Define.
1731 * rtlanal.h (vec_series_highpart_p): Declare.
1733 2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
1735 * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
1737 (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
1738 vec_select cost from being added into Neon multiply cost.
1740 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
1742 * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
1743 which old_loop_vinfo is an epilogue loop that handles a constant
1744 number of iterations.
1746 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
1748 * tree-vect-loop.c (vect_analyze_loop): Print a dump message
1749 when a reanalyzed loop fails to be cheaper than the current
1752 2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
1754 * config/aarch64/aarch64.c: Fix a typo.
1756 2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
1758 PR gcov-profile/101773
1759 * gcov-io.c (gcov_close): Check return code of a fclose.
1761 2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
1764 * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
1765 .file statement when needed.
1767 2021-08-04 Richard Biener <rguenther@suse.de>
1769 * tree-vect-data-refs.c (vect_check_gather_scatter):
1770 Include widening conversions only when the result is
1771 still handed by native gather or the current offset
1772 size not already matches the data size.
1773 Also succeed analysis in case there's no native support,
1774 noted by a IFN_LAST ifn and a NULL decl.
1775 (vect_analyze_data_refs): Always consider gathers.
1776 * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
1777 Test for no IFN gather rather than decl gather.
1778 * tree-vect-stmts.c (vect_model_load_cost): Pass in the
1779 gather-scatter info and cost emulated gathers accordingly.
1780 (vect_truncate_gather_scatter_offset): Properly test for
1782 (vect_use_strided_gather_scatters_p): Likewise.
1783 (get_load_store_type): Handle emulated gathers and its
1785 (vectorizable_load): Likewise. Emulate them by extracting
1786 scalar offsets, doing scalar loads and a vector construct.
1788 2021-08-04 H.J. Lu <hjl.tools@gmail.com>
1791 * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
1792 argument to set m_max_size.
1793 (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
1794 (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
1795 (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
1797 2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
1798 Marc Glisse <marc.glisse@inria.fr>
1800 * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
1801 (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
1802 tree_nonzero_bits to ensure that operands are bit-wise disjoint.
1804 2021-08-04 Richard Biener <rguenther@suse.de>
1806 * tree-ssa-forwprop.c (pass_forwprop::execute): Split
1807 out code to decompose vector loads ...
1808 (optimize_vector_load): ... here. Generalize it to
1809 handle intermediate widening and TARGET_MEM_REF loads
1810 and apply it to loads with a supported vector mode as well.
1812 2021-08-04 Richard Biener <rguenther@suse.de>
1814 PR tree-optimization/101756
1815 * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
1816 the result of the reduction epilogue is compatible to the original
1819 2021-08-04 liuhongt <hongtao.liu@intel.com>
1822 * config/i386/i386.md (peephole2): Refine predicate from
1823 register_operand to general_reg_operand.
1825 2021-08-04 Aldy Hernandez <aldyh@redhat.com>
1827 * gimple-range-path.h (path_range_query::dump): Mark override.
1829 2021-08-04 Richard Biener <rguenther@suse.de>
1831 PR tree-optimization/101769
1832 * tree-tailcall.c (eliminate_tail_call): Add the created loop
1833 for the first recursion and return it via the new output parameter.
1834 (optimize_tail_call): Pass through new output param.
1835 (tree_optimize_tail_calls_1): After creating all latches,
1836 add the created loop to the loop tree. Do not mark loops for fixup.
1838 2021-08-04 Martin Liska <mliska@suse.cz>
1840 * doc/invoke.texi: Document threader-mode param.
1842 2021-08-04 liuhongt <hongtao.liu@intel.com>
1844 * config/i386/sse.md (cond_fma<mode>): New expander.
1845 (cond_fms<mode>): Ditto.
1846 (cond_fnma<mode>): Ditto.
1847 (cond_fnms<mode>): Ditto.
1849 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
1851 * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
1853 2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
1855 * config/rs6000/constraints.md: Remove "e" from the list of available
1856 constraint characters.
1858 2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
1860 PR gcov-profile/71672
1861 * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
1863 2021-08-03 Paul A. Clarke <pc@us.ibm.com>
1865 * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
1867 2021-08-03 H.J. Lu <hjl.tools@gmail.com>
1869 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
1870 try XMM31 to avoid vzeroupper.
1872 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1874 * doc/invoke.texi: Document -mtune=neoverse-512tvb and
1875 -mcpu=neoverse-512tvb.
1876 * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
1877 * config/aarch64/aarch64-tune.md: Regenerate.
1878 * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
1879 (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
1880 (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
1881 (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
1882 (aarch64_adjust_body_cost): Likewise.
1884 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1886 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
1887 record issue information for operations that occur in the
1890 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1892 * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
1893 parameter. Detect cases in which an Advanced SIMD MLA would almost
1894 certainly require a MOV.
1895 (aarch64_count_ops): Update accordingly.
1897 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1899 * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
1900 function, split out from...
1901 (aarch64_detect_vector_stmt_subtype): ...here.
1902 (aarch64_add_stmt_cost): Treat extracting element 0 as free.
1904 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1906 * config/aarch64/aarch64-protos.h (sve_vec_cost):
1907 Add gather_load_x32_cost and gather_load_x64_cost.
1908 * config/aarch64/aarch64.c (generic_sve_vector_cost)
1909 (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
1910 accordingly, using the values given by the scalar_load * number
1911 of elements calculation that we used previously.
1912 (aarch64_detect_vector_stmt_subtype): Use the new fields.
1914 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1916 * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
1917 function, split out from...
1918 (aarch64_adjust_body_cost): ...here.
1920 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1922 * config/aarch64/fractional-cost.h: New file.
1923 * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
1924 and cost_fraction.h.
1925 (vec_cost_fraction): New typedef.
1926 (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
1927 (aarch64_detect_vector_stmt_subtype): Likewise.
1928 (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
1929 (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
1931 (aarch64_adjust_body_cost): Likewise.
1932 (aarch64_test_cost_fraction): New function.
1933 (aarch64_run_selftests): Call it.
1935 2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
1937 * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
1939 * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
1941 (aarch64_estimated_poly_value): Likewise. Use the least significant
1942 set bit for the minimum and likely values. Use the most significant
1943 set bit for the maximum value.
1945 2021-08-03 liuhongt <hongtao.liu@intel.com>
1947 * config/i386/sse.md (cond_<insn><mode>): New expander.
1948 (cond_mul<mode>): Ditto.
1950 2021-08-03 Kewen Lin <linkw@linux.ibm.com>
1952 * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
1954 2021-08-03 liuhongt <hongtao.liu@intel.com>
1956 * config/i386/sse.md (cond_<insn><mode>):New expander.
1957 (cond_mul<mode>): Ditto.
1958 (cond_div<mode>): Ditto.
1960 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
1962 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
1963 check stack_realign_needed for stack realignment.
1964 (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
1965 than the largest integer supported by vector register.
1966 * config/i386/i386.h (MAX_MOVE_MAX): New. Set to 64.
1967 (MOVE_MAX): Set to bytes of the largest integer supported by
1969 (STORE_MAX_PIECES): New.
1971 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
1973 * config/i386/i386-expand.c (ix86_expand_vector_move): Call
1974 ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
1975 data from one memory location to another.
1977 2021-08-02 H.J. Lu <hjl.tools@gmail.com>
1980 * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
1982 2021-08-02 Aldy Hernandez <aldyh@redhat.com>
1984 PR tree-optimization/101724
1985 * params.opt: Remove --param=threader-iterative.
1986 * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
1989 2021-08-02 Tom de Vries <tdevries@suse.de>
1991 PR middle-end/101665
1992 * doc/extend.texi (nonnull attribute): Improve documentation.
1994 2021-08-02 Andrew Pinski <apinski@marvell.com>
1996 PR rtl-optimization/101683
1997 * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
1999 2021-08-02 Roger Sayle <roger@nextmovesoftware.com>
2001 * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
2002 Renamed from cond_removal_in_popcount_clz_ctz_pattern.
2003 Add support for BSWAP, FFS, PARITY and CLRSB builtins.
2004 (tree_ssa_phiop_worker): Update call to function above.
2006 2021-08-01 H.J. Lu <hjl.tools@gmail.com>
2009 * config/i386/i386.md (bsr_rex64_1_zext): New.
2010 (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
2011 with gen_bsr_rex64_1_zext.
2013 2021-07-31 Jakub Jelinek <jakub@redhat.com>
2016 * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
2017 define_insn patterns.
2018 (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
2019 Add combine splitters for constant - clz.
2020 (clz<mode>2): Use a temporary pseudo for bsr result.
2022 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
2024 * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
2025 _mm_floor_sd, _mm_floor_ss): New.
2027 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
2029 * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
2030 _mm_ceil_sd, _mm_ceil_ss): New.
2032 2021-07-30 Paul A. Clarke <pc@us.ibm.com>
2034 * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
2035 _mm_blend_ps, _mm_blendv_ps): New.
2037 2021-07-30 Roger Sayle <roger@nextmovesoftware.com>
2038 Uroš Bizjak <ubizjak@gmail.com>
2040 * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
2041 to generate a conditional move using the carry flag after sub $1.
2042 (peephole2): Eliminate a register-to-register move by inverting
2043 the condition of a conditional move.
2045 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
2047 * config/mmix/mmix.md ("call", "call_value", "*call_real")
2048 ("*call_value_real"): Don't generate rtx mentioning the generic
2049 operands 1 and 2 to "call", and similarly for "call_value".
2050 * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
2051 (mmix_print_operand): Use '!' instead of 'p'.
2053 2021-07-30 Hans-Peter Nilsson <hp@bitrange.com>
2055 * doc/md.texi (call): Correct information about operand 2.
2056 * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
2058 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
2060 * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
2062 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
2064 * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
2066 2021-07-30 Andrew MacLeod <amacleod@redhat.com>
2068 * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
2070 (*::get_bb_range): Ditto.
2071 (*::bb_range_p): Ditto.
2072 * gimple-range-cache.h: Change prototypes.
2074 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
2077 * builtins.c (builtin_memcpy_read_str): Change the mode argument
2078 from scalar_int_mode to fixed_size_mode.
2079 (builtin_strncpy_read_str): Likewise.
2080 (gen_memset_value_from_prev): New function.
2081 (builtin_memset_read_str): Change the mode argument from
2082 scalar_int_mode to fixed_size_mode. Use gen_memset_value_from_prev
2083 and support CONST_VECTOR.
2084 (builtin_memset_gen_str): Likewise.
2085 (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
2087 * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
2088 with fixed_size_mode.
2089 (builtin_memset_read_str): Likewise.
2090 * expr.c (widest_int_mode_for_size): Renamed to ...
2091 (widest_fixed_size_mode_for_size): Add a bool argument to
2092 indicate if QI vector mode can be used.
2093 (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
2094 instead of widest_int_mode_for_size.
2095 (pieces_addr::adjust): Change the mode argument from
2096 scalar_int_mode to fixed_size_mode.
2097 (op_by_pieces_d): Make m_len read-only. Add a bool member,
2098 m_qi_vector_mode, to indicate that QI vector mode can be used.
2099 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
2100 initialize m_qi_vector_mode. Call widest_fixed_size_mode_for_size
2101 instead of widest_int_mode_for_size.
2102 (op_by_pieces_d::get_usable_mode): Change the mode argument from
2103 scalar_int_mode to fixed_size_mode. Call
2104 widest_fixed_size_mode_for_size instead of
2105 widest_int_mode_for_size.
2106 (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
2107 function to return the smallest integer or QI vector mode.
2108 (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
2109 instead of widest_int_mode_for_size. Call
2110 smallest_fixed_size_mode_for_size instead of
2111 smallest_int_mode_for_size.
2112 (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
2113 indicate that QI vector mode can be used and pass it to
2114 op_by_pieces_d::op_by_pieces_d.
2115 (can_store_by_pieces): Call widest_fixed_size_mode_for_size
2116 instead of widest_int_mode_for_size. Pass memsetp to
2117 widest_fixed_size_mode_for_size to support QI vector mode.
2118 Allow all CONST_VECTORs for memset if vec_duplicate is supported.
2119 (store_by_pieces): Pass memsetp to
2120 store_by_pieces_d::store_by_pieces_d.
2121 (clear_by_pieces_1): Removed.
2122 (clear_by_pieces): Replace clear_by_pieces_1 with
2123 builtin_memset_read_str and pass true to store_by_pieces_d to
2124 support vector mode broadcast.
2125 (string_cst_read_str): Change the mode argument from
2126 scalar_int_mode to fixed_size_mode.
2127 * expr.h (by_pieces_constfn): Change scalar_int_mode to
2129 (by_pieces_prev): Likewise.
2130 * rtl.h (lowpart_subreg_regno): New.
2131 * rtlanal.c (lowpart_subreg_regno): New. A wrapper around
2132 simplify_subreg_regno.
2133 * target.def (gen_memset_scratch_rtx): New hook.
2134 * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
2135 * doc/tm.texi: Regenerated.
2137 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
2140 * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
2141 TARGET_EXPR instead of MODIFY_EXPR.
2143 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
2146 * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
2147 * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
2148 * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
2150 (vec_cmpu<IMSA:mode><mode_i>): New expander.
2152 2021-07-30 H.J. Lu <hjl.tools@gmail.com>
2155 * config/i386/i386-options.c (ix86_option_override_internal):
2156 Don't enable LZCNT/POPCNT if they have been disabled explicitly.
2158 2021-07-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
2161 * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
2162 explicitly dereferencing __a.
2163 (vld1_s64): Likewise.
2164 (vld1_u64): Likewise.
2165 * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
2166 and change to VAR13.
2168 2021-07-30 Aldy Hernandez <aldyh@redhat.com>
2170 * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
2171 use of m_range_analyzer.
2172 (loop_versioning::lv_dom_walker::before_dom_children): Same.
2173 (loop_versioning::lv_dom_walker::after_dom_children): Remove.
2174 (loop_versioning::prune_loop_conditions): Replace vr_values use
2175 with range_query interface.
2176 (pass_loop_versioning::execute): Use ranger.
2178 2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
2181 * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
2182 enum values, and emit a warning if they mismatch.
2184 2021-07-30 Kewen Lin <linkw@linux.ibm.com>
2186 * cfgloop.h (as_const): New function.
2187 (class loop_iterator): Rename to ...
2188 (class loops_list): ... this.
2189 (loop_iterator::next): Rename to ...
2190 (loops_list::Iter::fill_curr_loop): ... this and adjust.
2191 (loop_iterator::loop_iterator): Rename to ...
2192 (loops_list::loops_list): ... this and adjust.
2193 (loops_list::Iter): New class.
2194 (loops_list::iterator): New type.
2195 (loops_list::const_iterator): New type.
2196 (loops_list::begin): New function.
2197 (loops_list::end): Likewise.
2198 (loops_list::begin const): Likewise.
2199 (loops_list::end const): Likewise.
2200 (FOR_EACH_LOOP): Remove.
2201 (FOR_EACH_LOOP_FN): Remove.
2202 * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
2203 for loop with loops_list instance.
2204 (sort_sibling_loops): Likewise.
2205 (disambiguate_loops_with_multiple_latches): Likewise.
2206 (verify_loop_structure): Likewise.
2207 * cfgloopmanip.c (create_preheaders): Likewise.
2208 (force_single_succ_latches): Likewise.
2209 * config/aarch64/falkor-tag-collision-avoidance.c
2210 (execute_tag_collision_avoidance): Likewise.
2211 * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
2212 * config/s390/s390.c (s390_adjust_loops): Likewise.
2213 * doc/loop.texi: Likewise.
2214 * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
2215 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
2216 * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
2217 (loop_versioning::make_versioning_decisions): Likewise.
2218 * gimple-ssa-split-paths.c (split_paths): Likewise.
2219 * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
2220 * graphite.c (canonicalize_loop_form): Likewise.
2221 (graphite_transform_loops): Likewise.
2222 * ipa-fnsummary.c (analyze_function_body): Likewise.
2223 * ipa-pure-const.c (analyze_function): Likewise.
2224 * loop-doloop.c (doloop_optimize_loops): Likewise.
2225 * loop-init.c (loop_optimizer_finalize): Likewise.
2226 (fix_loop_structure): Likewise.
2227 * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
2228 (move_loop_invariants): Likewise.
2229 * loop-unroll.c (decide_unrolling): Likewise.
2230 (unroll_loops): Likewise.
2231 * modulo-sched.c (sms_schedule): Likewise.
2232 * predict.c (predict_loops): Likewise.
2233 (pass_profile::execute): Likewise.
2234 * profile.c (branch_prob): Likewise.
2235 * sel-sched-ir.c (sel_finish_pipelining): Likewise.
2236 (sel_find_rgns): Likewise.
2237 * tree-cfg.c (replace_loop_annotate): Likewise.
2238 (replace_uses_by): Likewise.
2239 (move_sese_region_to_fn): Likewise.
2240 * tree-if-conv.c (pass_if_conversion::execute): Likewise.
2241 * tree-loop-distribution.c (loop_distribution::execute): Likewise.
2242 * tree-parloops.c (parallelize_loops): Likewise.
2243 * tree-predcom.c (tree_predictive_commoning): Likewise.
2244 * tree-scalar-evolution.c (scev_initialize): Likewise.
2245 (scev_reset): Likewise.
2246 * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
2247 * tree-ssa-live.c (remove_unused_locals): Likewise.
2248 * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
2249 * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
2250 (tree_ssa_lim_initialize): Likewise.
2251 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
2252 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
2253 * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
2254 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
2255 (free_numbers_of_iterations_estimates): Likewise.
2256 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2257 * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
2258 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
2259 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
2260 (pass_scev_cprop::execute): Likewise.
2261 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
2262 * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
2263 * tree-ssa-threadupdate.c
2264 (jump_thread_path_registry::thread_through_all_blocks): Likewise.
2265 * tree-vectorizer.c (vectorize_loops): Likewise.
2266 * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
2268 2021-07-29 Hans-Peter Nilsson <hp@bitrange.com>
2270 * config/mmix/mmix.c (mmix_function_arg_1): Avoid
2271 generating a VOIDmode register for e.g the
2272 function_arg_info::end_marker.
2274 2021-07-29 Jeff Law <jeffreyalaw@gmail.com>
2276 * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
2277 * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
2278 (cc mode_attr): Similarly.
2279 (ccz subst_attr): Similarly.
2280 * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
2281 * config/h8300/testcompare.md: Remove various cc0 based patterns
2282 that had been commented out. Add pattern to set CCZ from a bit
2285 2021-07-29 Thomas Schwinge <thomas@codesourcery.com>
2286 Julian Brown <julian@codesourcery.com>
2287 Kwok Cheung Yeung <kcy@codesourcery.com>
2289 * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
2290 'update_stmt' after modification.
2291 (pass_oacc_loop_designation): New function, extracted out of...
2292 (pass_oacc_device_lower): ... this.
2293 (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
2294 (make_pass_oacc_loop_designation): New
2295 * passes.def: Add it.
2296 * tree-parloops.c (create_parallel_loop): Adjust.
2297 * tree-pass.h (make_pass_oacc_loop_designation): New.
2299 2021-07-29 Aldy Hernandez <aldyh@redhat.com>
2301 * flag-types.h (enum threader_mode): New.
2302 * params.opt: Add entry for --param=threader-mode.
2303 * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
2304 (class back_threader): New.
2305 (back_threader::back_threader): New.
2306 (back_threader::~back_threader): New.
2307 (back_threader::maybe_register_path): New.
2308 (back_threader::find_taken_edge): New.
2309 (back_threader::find_taken_edge_switch): New.
2310 (back_threader::find_taken_edge_cond): New.
2311 (back_threader::resolve_def): New.
2312 (back_threader::resolve_phi): New.
2313 (back_threader::find_paths_to_names): New.
2314 (back_threader::find_paths): New.
2317 (thread_jumps::find_jump_threads_backwards): Call ranger threader.
2318 (thread_jumps::find_jump_threads_backwards_with_ranger): New.
2319 (pass_thread_jumps::execute): Abstract out code...
2320 (try_thread_blocks): ...here.
2321 * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
2322 Abstract out threading candidate code to...
2323 (single_succ_to_potentially_threadable_block): ...here.
2324 * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
2326 * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
2327 * tree-ssa-threadupdate.h (class jump_thread_path_registry):
2328 Return bool from register_jump_thread.
2330 2021-07-29 Andreas Krebbel <krebbel@linux.ibm.com>
2332 * target.def: in0 and in1 do not need to be registers.
2333 * doc/tm.texi: Regenerate.
2335 2021-07-29 liuhongt <hongtao.liu@intel.com>
2338 * config/i386/i386.c (ix86_widen_mult_cost): New function.
2339 (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
2342 2021-07-29 Jiufu Guo <guojiufu@linux.ibm.com>
2345 * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
2346 (rs6000_preferred_doloop_mode): New hook.
2347 * doc/tm.texi: Regenerate.
2348 * doc/tm.texi.in: Add hook preferred_doloop_mode.
2349 * target.def (preferred_doloop_mode): New hook.
2350 * targhooks.c (default_preferred_doloop_mode): New hook.
2351 * targhooks.h (default_preferred_doloop_mode): New hook.
2352 * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
2353 (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
2354 and compute_doloop_base_on_mode.
2356 2021-07-28 Martin Sebor <msebor@redhat.com>
2358 PR middle-end/101494
2359 * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
2360 and size computation.
2362 2021-07-28 Martin Sebor <msebor@redhat.com>
2364 PR middle-end/101601
2365 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
2367 Handle pointers to functions.
2369 2021-07-28 Martin Sebor <msebor@redhat.com>
2371 * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
2372 * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
2373 * builtins.c (compute_objsize_r): Move to pointer-query.cc.
2374 (access_ref::access_ref): Same.
2375 (access_ref::phi): Same.
2376 (access_ref::get_ref): Same.
2377 (access_ref::size_remaining): Same.
2378 (access_ref::offset_in_range): Same.
2379 (access_ref::add_offset): Same.
2380 (access_ref::inform_access): Same.
2381 (ssa_name_limit_t::visit_phi): Same.
2382 (ssa_name_limit_t::leave_phi): Same.
2383 (ssa_name_limit_t::next): Same.
2384 (ssa_name_limit_t::next_phi): Same.
2385 (ssa_name_limit_t::~ssa_name_limit_t): Same.
2386 (pointer_query::pointer_query): Same.
2387 (pointer_query::get_ref): Same.
2388 (pointer_query::put_ref): Same.
2389 (pointer_query::flush_cache): Same.
2390 (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
2391 (check_nul_terminated_array): Same.
2392 (unterminated_array): Same.
2393 (maybe_warn_for_bound): Same.
2394 (check_read_access): Same.
2395 (warn_for_access): Same.
2396 (get_size_range): Same.
2397 (check_access): Same.
2398 (gimple_call_alloc_size): Move to tree.c.
2399 (gimple_parm_array_size): Move to pointer-query.cc.
2400 (get_offset_range): Same.
2401 (gimple_call_return_array): Same.
2402 (handle_min_max_size): Same.
2403 (handle_array_ref): Same.
2404 (handle_mem_ref): Same.
2405 (compute_objsize): Same.
2406 (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
2407 (call_dealloc_argno): Same.
2408 (fndecl_dealloc_argno): Same.
2409 (new_delete_mismatch_p): Same.
2410 (matching_alloc_calls_p): Same.
2411 (warn_dealloc_offset): Same.
2412 (maybe_emit_free_warning): Same.
2413 * builtins.h (check_nul_terminated_array): Move to
2414 gimple-ssa-warn-access.h.
2415 (check_nul_terminated_array): Same.
2416 (warn_string_no_nul): Same.
2417 (unterminated_array): Same.
2418 (class ssa_name_limit_t): Same.
2419 (class pointer_query): Same.
2420 (struct access_ref): Same.
2421 (class range_query): Same.
2422 (struct access_data): Same.
2423 (gimple_call_alloc_size): Same.
2424 (gimple_parm_array_size): Same.
2425 (compute_objsize): Same.
2426 (class access_data): Same.
2427 (maybe_emit_free_warning): Same.
2428 * calls.c (initialize_argument_information): Remove call to
2429 maybe_emit_free_warning.
2430 * gimple-array-bounds.cc: Include new header..
2431 * gimple-fold.c: Same.
2432 * gimple-ssa-sprintf.c: Same.
2433 * gimple-ssa-warn-restrict.c: Same.
2434 * passes.def: Add pass_warn_access.
2435 * tree-pass.h (make_pass_warn_access): Declare.
2436 * tree-ssa-strlen.c: Include new headers.
2437 * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
2438 * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
2439 * gimple-ssa-warn-access.cc: New file.
2440 * gimple-ssa-warn-access.h: New file.
2441 * pointer-query.cc: New file.
2442 * pointer-query.h: New file.
2444 2021-07-28 Jakub Jelinek <jakub@redhat.com>
2446 PR middle-end/101624
2447 * ubsan.c (maybe_instrument_pointer_overflow,
2448 instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
2449 PARM_DECLs or RESULT_DECLs.
2450 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
2452 2021-07-28 Jakub Jelinek <jakub@redhat.com>
2454 PR middle-end/101642
2455 * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
2456 to type of bswap16 for comparison.
2457 (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
2459 2021-07-28 Richard Biener <rguenther@suse.de>
2461 PR tree-optimization/101615
2462 * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
2463 at CTOR SLP graph entries.
2465 2021-07-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2467 * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
2468 Add "r,w" alternative.
2470 2021-07-28 H.J. Lu <hjl.tools@gmail.com>
2473 * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
2474 AVX_U128_DIRTY when all bits are zero.
2476 2021-07-28 Richard Biener <rguenther@suse.de>
2478 PR tree-optimization/101615
2479 * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
2480 external nodes cannot be permuted so make them perm_out 0.
2482 2021-07-28 Andrew Stubbs <ams@codesourcery.com>
2485 * config.in: Regenerate.
2486 * config/gcn/gcn-hsa.h (A_FIJI): New define.
2487 (A_900): New define.
2488 (A_906): New define.
2489 (A_908): New define.
2490 (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
2491 * config/gcn/gcn.c (output_file_start): Adjust attributes according
2492 to the assembler capabilities.
2493 * config/gcn/mkoffload.c (main): Likewise.
2494 * configure: Regenerate.
2495 * configure.ac: Add tests for LLVM assembler attribute features.
2497 2021-07-28 Andrew MacLeod <amacleod@redhat.com>
2499 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
2500 cond_false and cond_true on branches.
2502 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
2504 * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
2507 2021-07-28 Bin Cheng <bin.cheng@linux.alibaba.com>
2509 * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
2511 2021-07-28 Jakub Jelinek <jakub@redhat.com>
2514 * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
2515 and vashrv4di3 expander, where the latter requires just TARGET_AVX2
2516 and has special !TARGET_AVX512VL expansion.
2517 (vashrv2di3<mask_name>): Rename to ...
2518 (vashrv2di3): ... this. Change condition to TARGET_XOP || TARGET_AVX2
2519 and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
2521 2021-07-28 Martin Uecker <muecker@gwdg.de>
2523 * calls.c (maybe_warn_rdwr_sizes): Correct argument
2524 numbers in warning that were switched.
2526 2021-07-28 Kewen Lin <linkw@linux.ibm.com>
2528 PR tree-optimization/101596
2529 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
2530 by using new_type's precision instead.
2532 2021-07-28 liuhongt <hongtao.liu@intel.com>
2535 * config/i386/i386.h (processor_costs): Add new member
2537 * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
2538 i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
2539 geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
2540 bdver_cost, znver1_cost, znver2_cost, znver3_cost,
2541 btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
2542 nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
2543 generic_cost, core_cost): Initialize integer_to_sse same value
2545 (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
2546 * config/i386/i386.c (ix86_builtin_vectorization_cost):
2547 Use integer_to_sse instead of sse_op to calculate the cost of
2550 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
2552 * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
2554 (write_init_file): Call write_ovld_static_init.
2556 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
2558 * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
2560 (write_init_file): Call write_bif_static_init.
2562 2021-07-27 Bill Schmidt <wschmidt@linux.ibm.com>
2564 * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
2565 (TYPE_MAP_SIZE): New macro.
2566 (type_map): New initialized variable.
2567 (typemap_cmp): New function.
2568 (write_type_node): Likewise.
2569 (write_fntype_init): Implement.
2571 2021-07-27 Martin Sebor <msebor@redhat.com>
2573 PR tree-optimization/101584
2574 * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
2575 (check_defs): Call it.
2577 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
2579 * tree-ssa-dom.c (dom_jump_threader_simplifier):
2580 Put avail_exprs_stack in the class, instead of passing it to
2581 jump_threader_simplifier.
2582 (dom_jump_threader_simplifier::simplify): Add state argument.
2583 (dom_opt_dom_walker): Add state.
2584 (pass_dominator::execute): Pass state to threader.
2585 (dom_opt_dom_walker::before_dom_children): Use state.
2586 * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
2588 (jump_threader::record_temporary_equivalences_from_phis):
2589 Register equivalences through the state variable.
2590 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
2591 Record ranges in a statement through the state variable.
2592 (jump_threader::simplify_control_stmt_condition): Pass state to
2594 (jump_threader::simplify_control_stmt_condition_1): Same.
2595 (jump_threader::thread_around_empty_blocks): Remove obsolete
2597 (jump_threader::thread_through_normal_block): Record equivalences
2598 on edge through the state variable.
2599 (jump_threader::thread_across_edge): Abstract state pushing.
2600 (jt_state::jt_state): New.
2601 (jt_state::push): New.
2602 (jt_state::pop): New.
2603 (jt_state::register_equiv): New.
2604 (jt_state::record_ranges_from_stmt): New.
2605 (jt_state::register_equivs_on_edge): New.
2606 (jump_threader_simplifier::jump_threader_simplifier): Move from
2608 (jump_threader_simplifier::simplify): Add state argument.
2609 * tree-ssa-threadedge.h (class jt_state): New.
2610 (class jump_threader): Add state to constructor.
2611 (class jump_threader_simplifier): Add state to simplify. Remove
2612 avail_exprs_stack from class.
2613 * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
2615 (vrp_jump_threader::vrp_jump_threader): Add state.
2616 (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
2618 2021-07-27 Aldy Hernandez <aldyh@redhat.com>
2620 * Makefile.in (OBJS): Add gimple-range-path.o.
2621 * gimple-range-path.cc: New file.
2622 * gimple-range-path.h: New file.
2624 2021-07-27 Jonathan Wright <jonathan.wright@arm.com>
2626 * config/aarch64/aarch64-simd.md: Push sign/zero-extension
2627 inside vec_duplicate for all patterns.
2628 * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
2629 Push sign/zero-extension inside vec_duplicate.
2631 2021-07-27 Richard Biener <rguenther@suse.de>
2633 PR tree-optimization/101573
2634 * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
2635 looking at uninitialized PHI arg defs in some constrained cases.
2636 (warn_uninitialized_vars): Call it.
2637 (execute_early_warn_uninitialized): Calculate dominators.
2639 2021-07-27 Richard Biener <rguenther@suse.de>
2641 PR tree-optimization/39821
2642 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
2643 vector_stmt for widening arithmetic.
2644 (vectorizable_conversion): Adjust.
2646 2021-07-27 Martin Jambor <mjambor@suse.cz>
2648 * cgraph.h (ipa_replace_map): New field force_load_ref.
2649 * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
2650 aded new flag load_dereferenced, adjusted comments.
2651 (ipa_get_param_dereferenced): New function.
2652 (ipa_set_param_dereferenced): Likewise.
2653 * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
2654 * ipa-cp.c: Include gimple.h.
2655 (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
2656 (get_replacement_map): New parameter force_load_ref, set the
2657 appropriate flag in ipa_replace_map if set.
2658 (struct symbol_and_index_together): New type.
2659 (adjust_refs_in_act_callers): New function.
2660 (adjust_references_in_caller): Likewise.
2661 (create_specialized_node): When appropriate, call
2662 adjust_references_in_caller and force only load references.
2663 * ipa-prop.c (load_from_dereferenced_name): New function.
2664 (ipa_analyze_controlled_uses): Also detect loads from a
2665 dereference, harden testing of call statements.
2666 (ipa_write_node_info): Stream the dereferenced flag.
2667 (ipa_read_node_info): Likewise.
2668 (ipa_set_jf_constant): Also create refdesc when jump function
2669 references a variable.
2670 (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
2671 also on references of variables and return a symtab_node. Adjust
2673 (propagate_controlled_uses): Also remove references to VAR_DECLs.
2675 2021-07-27 Jakub Jelinek <jakub@redhat.com>
2677 PR middle-end/101586
2678 * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
2679 positions above or equal to sz except for diagnostics of flexible
2682 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
2684 PR tree-optimization/78888
2685 * gimple-range-fold.cc (get_letter_range): New.
2686 (fold_using_range::range_of_builtin_call): Call get_letter_range.
2688 2021-07-26 Andrew MacLeod <amacleod@redhat.com>
2690 PR tree-optimization/78888
2691 * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
2692 for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
2694 2021-07-26 Roger Sayle <roger@nextmovesoftware.com>
2695 Marc Glisse <marc.glisse@inria.fr>
2697 * match.pd (rotate): Simplify equality/inequality of rotations.
2698 (bswap): Simplify equality/inequality tests of byte swapping.
2700 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
2702 * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
2705 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
2707 * range-op.cc (operator_lshift::fold_range): Pass rel to
2708 base class fold_range.
2709 (operator_rshift::fold_range): Same.
2711 2021-07-26 Ashimida <ashimida@linux.alibaba.com>
2714 * toplev.h (min_align_loops_log): Remove declaration.
2715 (min_align_jumps_log, min_align_labels_log): Likewise.
2716 (min_align_functions_log): Likewise.
2718 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
2720 * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
2722 (execute_vrp): Abstract out simplification of conditionals...
2723 (simplify_casted_conds): ...here.
2725 2021-07-26 Aldy Hernandez <aldyh@redhat.com>
2727 * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
2728 Add gimple argument.
2729 (array_bounds_checker::check_array_ref): Same.
2730 (array_bounds_checker::check_addr_expr): Same.
2731 (array_bounds_checker::check_array_bounds): Pass statement to
2732 check_array_bounds and check_addr_expr.
2733 * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
2734 (check_addr_expr): Same.
2735 (get_value_range): Same.
2737 2021-07-26 Tamar Christina <tamar.christina@arm.com>
2739 * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
2740 (sdot_prod, udot_prod): ... This.
2741 * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
2743 (<sur>dot_prod<vsi2qi>): ... this.
2744 (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
2745 Change operands order.
2746 (<sur>sadv16qi): Use new operands order.
2747 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
2748 vdotq_s32): Use new RTL ordering.
2750 2021-07-26 Tamar Christina <tamar.christina@arm.com>
2752 * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
2753 aarch64_types_ternop_suss_qualifiers): New.
2754 * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
2755 * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
2756 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
2758 2021-07-23 Jakub Jelinek <jakub@redhat.com>
2760 PR rtl-optimization/101562
2761 * expmed.c (store_integral_bit_field): Only use movstrict_optab
2762 if the operand isn't paradoxical.
2764 2021-07-23 Aldy Hernandez <aldyh@redhat.com>
2766 * gimple-array-bounds.h (class array_bounds_checker): Change
2767 ranges type to range_query.
2769 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2771 * config/aarch64/arm_neon.h (vst1_s64_x2): Use
2772 __builtin_memcpy instead of constructing
2773 __builtin_aarch64_simd_oi one vector at a time.
2774 (vst1_u64_x2): Likewise.
2775 (vst1_f64_x2): Likewise.
2776 (vst1_s8_x2): Likewise.
2777 (vst1_p8_x2): Likewise.
2778 (vst1_s16_x2): Likewise.
2779 (vst1_p16_x2): Likewise.
2780 (vst1_s32_x2): Likewise.
2781 (vst1_u8_x2): Likewise.
2782 (vst1_u16_x2): Likewise.
2783 (vst1_u32_x2): Likewise.
2784 (vst1_f16_x2): Likewise.
2785 (vst1_f32_x2): Likewise.
2786 (vst1_p64_x2): Likewise.
2787 (vst1q_s8_x2): Likewise.
2788 (vst1q_p8_x2): Likewise.
2789 (vst1q_s16_x2): Likewise.
2790 (vst1q_p16_x2): Likewise.
2791 (vst1q_s32_x2): Likewise.
2792 (vst1q_s64_x2): Likewise.
2793 (vst1q_u8_x2): Likewise.
2794 (vst1q_u16_x2): Likewise.
2795 (vst1q_u32_x2): Likewise.
2796 (vst1q_u64_x2): Likewise.
2797 (vst1q_f16_x2): Likewise.
2798 (vst1q_f32_x2): Likewise.
2799 (vst1q_f64_x2): Likewise.
2800 (vst1q_p64_x2): Likewise.
2802 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2804 * config/aarch64/arm_neon.h (vst1_s64_x3): Use
2805 __builtin_memcpy instead of constructing
2806 __builtin_aarch64_simd_ci one vector at a time.
2807 (vst1_u64_x3): Likewise.
2808 (vst1_f64_x3): Likewise.
2809 (vst1_s8_x3): Likewise.
2810 (vst1_p8_x3): Likewise.
2811 (vst1_s16_x3): Likewise.
2812 (vst1_p16_x3): Likewise.
2813 (vst1_s32_x3): Likewise.
2814 (vst1_u8_x3): Likewise.
2815 (vst1_u16_x3): Likewise.
2816 (vst1_u32_x3): Likewise.
2817 (vst1_f16_x3): Likewise.
2818 (vst1_f32_x3): Likewise.
2819 (vst1_p64_x3): Likewise.
2820 (vst1q_s8_x3): Likewise.
2821 (vst1q_p8_x3): Likewise.
2822 (vst1q_s16_x3): Likewise.
2823 (vst1q_p16_x3): Likewise.
2824 (vst1q_s32_x3): Likewise.
2825 (vst1q_s64_x3): Likewise.
2826 (vst1q_u8_x3): Likewise.
2827 (vst1q_u16_x3): Likewise.
2828 (vst1q_u32_x3): Likewise.
2829 (vst1q_u64_x3): Likewise.
2830 (vst1q_f16_x3): Likewise.
2831 (vst1q_f32_x3): Likewise.
2832 (vst1q_f64_x3): Likewise.
2833 (vst1q_p64_x3): Likewise.
2835 2021-07-23 H.J. Lu <hjl.tools@gmail.com>
2838 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
2839 hard register when LRA is in progress.
2841 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2843 * config/aarch64/arm_neon.h (vst1_s8_x4): Use
2844 __builtin_memcpy instead of using a union.
2845 (vst1q_s8_x4): Likewise.
2846 (vst1_s16_x4): Likewise.
2847 (vst1q_s16_x4): Likewise.
2848 (vst1_s32_x4): Likewise.
2849 (vst1q_s32_x4): Likewise.
2850 (vst1_u8_x4): Likewise.
2851 (vst1q_u8_x4): Likewise.
2852 (vst1_u16_x4): Likewise.
2853 (vst1q_u16_x4): Likewise.
2854 (vst1_u32_x4): Likewise.
2855 (vst1q_u32_x4): Likewise.
2856 (vst1_f16_x4): Likewise.
2857 (vst1q_f16_x4): Likewise.
2858 (vst1_f32_x4): Likewise.
2859 (vst1q_f32_x4): Likewise.
2860 (vst1_p8_x4): Likewise.
2861 (vst1q_p8_x4): Likewise.
2862 (vst1_p16_x4): Likewise.
2863 (vst1q_p16_x4): Likewise.
2864 (vst1_s64_x4): Likewise.
2865 (vst1_u64_x4): Likewise.
2866 (vst1_p64_x4): Likewise.
2867 (vst1q_s64_x4): Likewise.
2868 (vst1q_u64_x4): Likewise.
2869 (vst1q_p64_x4): Likewise.
2870 (vst1_f64_x4): Likewise.
2871 (vst1q_f64_x4): Likewise.
2873 2021-07-23 Jonathan Wrightt <jonathan.wright@arm.com>
2875 * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
2876 instead of constructing __builtin_aarch64_simd_oi one vector
2878 (vst2_u64): Likewise.
2879 (vst2_f64): Likewise.
2880 (vst2_s8): Likewise.
2881 (vst2_p8): Likewise.
2882 (vst2_s16): Likewise.
2883 (vst2_p16): Likewise.
2884 (vst2_s32): Likewise.
2885 (vst2_u8): Likewise.
2886 (vst2_u16): Likewise.
2887 (vst2_u32): Likewise.
2888 (vst2_f16): Likewise.
2889 (vst2_f32): Likewise.
2890 (vst2_p64): Likewise.
2891 (vst2q_s8): Likewise.
2892 (vst2q_p8): Likewise.
2893 (vst2q_s16): Likewise.
2894 (vst2q_p16): Likewise.
2895 (vst2q_s32): Likewise.
2896 (vst2q_s64): Likewise.
2897 (vst2q_u8): Likewise.
2898 (vst2q_u16): Likewise.
2899 (vst2q_u32): Likewise.
2900 (vst2q_u64): Likewise.
2901 (vst2q_f16): Likewise.
2902 (vst2q_f32): Likewise.
2903 (vst2q_f64): Likewise.
2904 (vst2q_p64): Likewise.
2906 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2908 * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
2909 instead of constructing __builtin_aarch64_simd_ci one vector
2911 (vst3_u64): Likewise.
2912 (vst3_f64): Likewise.
2913 (vst3_s8): Likewise.
2914 (vst3_p8): Likewise.
2915 (vst3_s16): Likewise.
2916 (vst3_p16): Likewise.
2917 (vst3_s32): Likewise.
2918 (vst3_u8): Likewise.
2919 (vst3_u16): Likewise.
2920 (vst3_u32): Likewise.
2921 (vst3_f16): Likewise.
2922 (vst3_f32): Likewise.
2923 (vst3_p64): Likewise.
2924 (vst3q_s8): Likewise.
2925 (vst3q_p8): Likewise.
2926 (vst3q_s16): Likewise.
2927 (vst3q_p16): Likewise.
2928 (vst3q_s32): Likewise.
2929 (vst3q_s64): Likewise.
2930 (vst3q_u8): Likewise.
2931 (vst3q_u16): Likewise.
2932 (vst3q_u32): Likewise.
2933 (vst3q_u64): Likewise.
2934 (vst3q_f16): Likewise.
2935 (vst3q_f32): Likewise.
2936 (vst3q_f64): Likewise.
2937 (vst3q_p64): Likewise.
2939 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2941 * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
2942 instead of constructing __builtin_aarch64_simd_xi one vector
2944 (vst4_u64): Likewise.
2945 (vst4_f64): Likewise.
2946 (vst4_s8): Likewise.
2947 (vst4_p8): Likewise.
2948 (vst4_s16): Likewise.
2949 (vst4_p16): Likewise.
2950 (vst4_s32): Likewise.
2951 (vst4_u8): Likewise.
2952 (vst4_u16): Likewise.
2953 (vst4_u32): Likewise.
2954 (vst4_f16): Likewise.
2955 (vst4_f32): Likewise.
2956 (vst4_p64): Likewise.
2957 (vst4q_s8): Likewise.
2958 (vst4q_p8): Likewise.
2959 (vst4q_s16): Likewise.
2960 (vst4q_p16): Likewise.
2961 (vst4q_s32): Likewise.
2962 (vst4q_s64): Likewise.
2963 (vst4q_u8): Likewise.
2964 (vst4q_u16): Likewise.
2965 (vst4q_u32): Likewise.
2966 (vst4q_u64): Likewise.
2967 (vst4q_f16): Likewise.
2968 (vst4q_f32): Likewise.
2969 (vst4q_f64): Likewise.
2970 (vst4q_p64): Likewise.
2972 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2974 * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
2975 instead of constructing __builtin_aarch64_simd_oi one vector
2977 (vtbx4_u8): Likewise.
2978 (vtbx4_p8): Likewise.
2980 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2982 * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
2983 instead of constructing __builtin_aarch64_simd_oi one vector
2985 (vtbl3_u8): Likewise.
2986 (vtbl3_p8): Likewise.
2987 (vtbl4_s8): Likewise.
2988 (vtbl4_u8): Likewise.
2989 (vtbl4_p8): Likewise.
2991 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
2993 * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
2994 instead of constructing __builtin_aarch64_simd_oi one vector
2996 (vqtbx2_u8): Likewise.
2997 (vqtbx2_p8): Likewise.
2998 (vqtbx2q_s8): Likewise.
2999 (vqtbx2q_u8): Likewise.
3000 (vqtbx2q_p8): Likewise.
3001 (vqtbx3_s8): Use __builtin_memcpy instead of constructing
3002 __builtin_aarch64_simd_ci one vector at a time.
3003 (vqtbx3_u8): Likewise.
3004 (vqtbx3_p8): Likewise.
3005 (vqtbx3q_s8): Likewise.
3006 (vqtbx3q_u8): Likewise.
3007 (vqtbx3q_p8): Likewise.
3008 (vqtbx4_s8): Use __builtin_memcpy instead of constructing
3009 __builtin_aarch64_simd_xi one vector at a time.
3010 (vqtbx4_u8): Likewise.
3011 (vqtbx4_p8): Likewise.
3012 (vqtbx4q_s8): Likewise.
3013 (vqtbx4q_u8): Likewise.
3014 (vqtbx4q_p8): Likewise.
3016 2021-07-23 Jonathan Wright <jonathan.wright@arm.com>
3018 * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
3019 instead of constructing __builtin_aarch64_simd_oi one vector
3021 (vqtbl2_u8): Likewise.
3022 (vqtbl2_p8): Likewise.
3023 (vqtbl2q_s8): Likewise.
3024 (vqtbl2q_u8): Likewise.
3025 (vqtbl2q_p8): Likewise.
3026 (vqtbl3_s8): Use __builtin_memcpy instead of constructing
3027 __builtin_aarch64_simd_ci one vector at a time.
3028 (vqtbl3_u8): Likewise.
3029 (vqtbl3_p8): Likewise.
3030 (vqtbl3q_s8): Likewise.
3031 (vqtbl3q_u8): Likewise.
3032 (vqtbl3q_p8): Likewise.
3033 (vqtbl4_s8): Use __builtin_memcpy instead of constructing
3034 __builtin_aarch64_simd_xi one vector at a time.
3035 (vqtbl4_u8): Likewise.
3036 (vqtbl4_p8): Likewise.
3037 (vqtbl4q_s8): Likewise.
3038 (vqtbl4q_u8): Likewise.
3039 (vqtbl4q_p8): Likewise.
3041 2021-07-23 Haochen Gui <guihaoc@gcc.gnu.org>
3044 * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
3046 2021-07-22 Andrew Pinski <apinski@marvell.com>
3048 PR tree-optimization/10153
3049 * tree-tailcall.c (create_tailcall_accumulator):
3050 Don't call fold_convert as the type should be correct already.
3051 (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
3052 of integer_{one,zero}_node for the call of create_tailcall_accumulator.
3054 2021-07-22 Aldy Hernandez <aldyh@redhat.com>
3056 * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
3057 varying_p check for null/non-null check.
3059 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
3061 PR tree-optimization/101511
3062 * value-relation.cc (relation_oracle::query_relation): Check if ssa1
3063 is in ssa2's equiv set, and don't trap if so.
3065 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
3067 PR tree-optimization/101497
3068 * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
3071 2021-07-22 Andrew MacLeod <amacleod@redhat.com>
3073 PR tree-optimization/101496
3074 * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
3075 first, then vrp_visit_cond_Stmt.
3077 2021-07-22 liuhongt <hongtao.liu@intel.com>
3079 * config/i386/i386-expand.c
3080 (ix86_broadcast_from_integer_constant): Rename to ..
3081 (ix86_broadcast_from_constant): .. this, and extend it to
3083 (ix86_expand_vector_move): Extend to float mode.
3084 * config/i386/i386-features.c
3085 (replace_constant_pool_with_broadcast): Remove.
3086 (remove_partial_avx_dependency_gate): Ditto.
3087 (constant_pool_broadcast): Ditto.
3088 (class pass_constant_pool_broadcast): Ditto.
3089 (make_pass_constant_pool_broadcast): Ditto.
3090 (remove_partial_avx_dependency): Adjust gate.
3091 * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
3092 * config/i386/i386-protos.h
3093 (make_pass_constant_pool_broadcast): Remove.
3095 2021-07-22 liuhongt <hongtao.liu@intel.com>
3097 * config/i386/constraints.md (Wb): New constraint.
3099 * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
3101 (*ashlqi3_1): Ditto.
3102 (*<insn><mode>3_1): Split to ..
3103 (*ashr<mode>3_1): this, ...
3104 (*lshr<mode>3_1): and this, also extend this pattern to avx512
3106 (*<insn><mode>3_1): Split to ..
3107 (*ashr<mode>3_1): this, ...
3108 (*lshrqi3_1): and this, also extend this pattern to avx512
3110 (*lshrhi3_1): And this, also extend this pattern to avx512
3112 * config/i386/sse.md (k<code><mode>): New define_split after
3113 it to convert generic shift pattern to mask shift ones.
3115 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
3116 Joseph Myers <joseph@codesourcery.com>
3117 Cesar Philippidis <cesar@codesourcery.com>
3119 * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
3120 * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
3122 * tree-pretty-print.c (dump_omp_clause): Likewise.
3123 * omp-general.c (oacc_verify_routine_clauses): Likewise.
3124 * gimplify.c (gimplify_scan_omp_clauses)
3125 (gimplify_adjust_omp_clauses): Likewise.
3126 * tree-nested.c (convert_nonlocal_omp_clauses)
3127 (convert_local_omp_clauses): Likewise.
3128 * omp-low.c (scan_sharing_clauses): Likewise.
3129 * omp-offload.c (execute_oacc_device_lower): Update.
3131 2021-07-21 Martin Sebor <msebor@redhat.com>
3133 * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
3135 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3137 * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
3140 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3142 * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
3144 (write_fntype_init): New stub function.
3145 (write_init_bif_table): Likewise.
3146 (write_init_ovld_table): New function.
3147 (write_init_file): Implement.
3149 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3151 * config/rs6000/rs6000-gen-builtins.c
3152 (write_autogenerated_header): New function.
3153 (write_decls): Likewise.
3154 (write_extern_fntype): New callback function.
3155 (write_header_file): Implement.
3157 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3159 * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
3162 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3164 * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
3166 (complete_base_type): Likewise.
3167 (construct_fntype_id): Likewise.
3168 (parse_bif_entry): Call contruct_fntype_id.
3169 (parse_ovld_entry): Likewise.
3171 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3173 * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
3174 (MAXOVLDSTANZAS): New macro.
3175 (ovld_stanzas): New variable.
3176 (curr_ovld_stanza): Likewise.
3177 (MAXOVLDS): New macro.
3178 (ovlddata): New struct.
3179 (ovlds): New variable.
3180 (curr_ovld): Likewise.
3181 (max_ovld_args): Likewise.
3182 (parse_ovld_entry): New function.
3183 (parse_ovld_stanza): Likewise.
3184 (parse_ovld): Implement.
3186 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3188 * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
3191 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3193 * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
3194 (parse_prototype): Implement.
3196 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3198 * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
3199 (curr_bif_stanza): New variable.
3200 (stanza_entry): New struct.
3201 (stanza_map): New initialized variable.
3202 (enable_string): Likewise.
3203 (fnkinds): New enum.
3204 (typelist): New struct.
3205 (attrinfo): Likewise.
3206 (MAXRESTROPNDS): New macro.
3207 (prototype): New struct.
3208 (MAXBIFS): New macro.
3209 (bifdata): New struct.
3210 (bifs): New variable.
3211 (curr_bif): Likewise.
3212 (bif_order): Likewise.
3213 (bif_index): Likewise.
3214 (fatal): New function.
3215 (stanza_name_to_stanza): Likewise.
3216 (parse_bif_attrs): New stub function.
3217 (parse_prototype): Likewise.
3218 (parse_bif_entry): New function.
3219 (parse_bif_stanza): Likewise.
3220 (parse_bif): Implement.
3221 (set_bif_order): New function.
3222 (create_bif_order): Implement.
3224 2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com>
3226 * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
3227 (num_bifs): New variable.
3228 (num_ovld_stanzas): Likewise.
3229 (num_ovlds): Likewise.
3230 (parse_codes): New enum.
3231 (bif_rbt): New variable.
3232 (ovld_rbt): Likewise.
3233 (fntype_rbt): Likewise.
3234 (bifo_rbt): Likewise.
3235 (parse_bif): New stub function.
3236 (create_bif_order): Likewise.
3237 (parse_ovld): Likewise.
3238 (write_header_file): Likewise.
3239 (write_init_file): Likewise.
3240 (write_defines_file): Likewise.
3241 (delete_output_files): New function.
3244 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
3247 * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
3248 from CRC32 _builtin functions.
3250 2021-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
3252 * coverage.c (build_gcov_info_var_registration): Mark the object placed
3253 in the linker set as referenced so that it does not get optimized away.
3255 2021-07-21 Kito Cheng <kito.cheng@sifive.com>
3258 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
3260 * config.gcc (riscv*-*-*): Detect which python is available.
3262 2021-07-21 Jakub Jelinek <jakub@redhat.com>
3264 PR middle-end/101535
3265 * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
3266 contexts in which decl isn't privatized and for ORT_TARGET return
3267 false if decl is mapped.
3269 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
3271 * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
3272 (tree_loop_unroll_and_jam): Run value-numbering on a loop that
3273 has been successfully unrolled.
3275 2021-07-21 Richard Sandiford <richard.sandiford@arm.com>
3277 * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
3278 exit condition if no tail loop is needed, and if the original exit
3279 condition should therefore be kept as-is.
3280 (tree_transform_and_unroll_loop): Handle that case here too.
3282 2021-07-21 Kewen Lin <linkw@linux.ibm.com>
3284 * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
3286 (free_data_refs): Likewise.
3287 * tree-data-ref.h (free_dependence_relations): Likewise.
3288 (free_data_refs): Likewise.
3289 * tree-predcom.c (struct chain): Use auto_vec instead of vec for
3291 (struct component): Likewise.
3292 (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
3293 (pcom_worker::~pcom_worker): Likewise.
3294 (pcom_worker::release_chain): Adjust as auto_vec changes.
3295 (pcom_worker::loop): Rename to ...
3296 (pcom_worker::m_loop): ... this.
3297 (pcom_worker::datarefs): Rename to ...
3298 (pcom_worker::m_datarefs): ... this. Use auto_vec instead of vec.
3299 (pcom_worker::dependences): Rename to ...
3300 (pcom_worker::m_dependences): ... this. Use auto_vec instead of vec.
3301 (pcom_worker::chains): Rename to ...
3302 (pcom_worker::m_chains): ... this. Use auto_vec instead of vec.
3303 (pcom_worker::looparound_phis): Rename to ...
3304 (pcom_worker::m_looparound_phis): ... this. Use auto_vec instead of
3306 (pcom_worker::cache): Rename to ...
3307 (pcom_worker::m_cache): ... this. Use auto_vec instead of vec.
3308 (pcom_worker::release_chain): Adjust for auto_vec changes.
3309 (pcom_worker::release_chains): Adjust for auto_vec and renaming
3311 (release_component): Remove.
3312 (release_components): Adjust for release_component removal.
3313 (component_of): Adjust to use vec.
3314 (merge_comps): Likewise.
3315 (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
3316 (pcom_worker::determine_offset): Likewise.
3317 (class comp_ptrs): Remove.
3318 (pcom_worker::split_data_refs_to_components): Adjust for renaming
3319 changes, for comp_ptrs removal with auto_vec.
3320 (pcom_worker::suitable_component_p): Adjust for renaming changes.
3321 (pcom_worker::filter_suitable_components): Adjust for release_component
3323 (pcom_worker::valid_initializer_p): Adjust for renaming changes.
3324 (pcom_worker::find_looparound_phi): Likewise.
3325 (pcom_worker::add_looparound_copies): Likewise.
3326 (pcom_worker::determine_roots_comp): Likewise.
3327 (pcom_worker::single_nonlooparound_use): Likewise.
3328 (pcom_worker::execute_pred_commoning_chain): Likewise.
3329 (pcom_worker::execute_pred_commoning): Likewise.
3330 (pcom_worker::try_combine_chains): Likewise.
3331 (pcom_worker::prepare_initializers_chain): Likewise.
3332 (pcom_worker::prepare_initializers): Likewise.
3333 (pcom_worker::prepare_finalizers_chain): Likewise.
3334 (pcom_worker::prepare_finalizers): Likewise.
3335 (pcom_worker::tree_predictive_commoning_loop): Likewise.
3337 2021-07-20 Martin Sebor <msebor@redhat.com>
3339 PR middle-end/101397
3340 * builtins.c (gimple_call_return_array): Add argument. Correct
3341 offsets for memchr, mempcpy, stpcpy, and stpncpy.
3342 (compute_objsize_r): Adjust offset computation for argument returning
3345 2021-07-20 Martin Sebor <msebor@redhat.com>
3347 PR middle-end/101300
3348 * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
3350 2021-07-20 Jeff Law <jlaw@localhost.localdomain>
3352 * function.c (assign_parm_setup_block): Use adjust_address instead
3353 of change_address to preserve MEM_EXPR and friends.
3355 2021-07-20 Martin Sebor <msebor@redhat.com>
3357 * cfgloop.h (single_likely_exit): Adjust by-value argument to
3359 * cfgloopanal.c (single_likely_exit): Same.
3360 * cgraph.h (struct cgraph_node): Same.
3361 * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
3362 * genautomata.c (merge_states): Same.
3363 * genextract.c (VEC_char_to_string): Same.
3364 * genmatch.c (dt_node::gen_kids_1): Same.
3365 (walk_captures): Adjust by-value argument to by-reference.
3366 * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
3367 to by-const-reference.
3368 * gimple.c (gimple_build_call_vec): Same.
3369 (gimple_build_call_internal_vec): Same.
3370 (gimple_build_switch): Same.
3371 (sort_case_labels): Same.
3372 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
3374 * gimple.h (gimple_build_call_vec): Adjust by-value argument to
3376 (gimple_build_call_internal_vec): Same.
3377 (gimple_build_switch): Same.
3378 (sort_case_labels): Same.
3379 (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
3381 * haifa-sched.c (calc_priorities): Adjust by-value argument to
3383 (sched_init_luids): Same.
3384 (haifa_init_h_i_d): Same.
3385 * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
3386 (adjust_callers_for_value_intersection): Adjust by-value argument to
3388 (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
3390 (find_more_contexts_for_caller_subset): Same.
3391 (find_aggregate_values_for_callers_subset): Same.
3392 (copy_useful_known_contexts): Same.
3393 * ipa-fnsummary.c (remap_edge_summaries): Same.
3394 (remap_freqcounting_predicate): Same.
3395 * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
3397 * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
3398 to by-const-reference.
3399 * ipa-predicate.h (predicate::remap_after_inlining): Same.
3400 * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
3401 * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
3402 * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
3403 * read-rtl.c (add_overload_instance): Same.
3404 * rtl.h (native_decode_rtx): Same.
3405 (native_decode_vector_rtx): Same.
3406 * sched-int.h (sched_init_luids): Same.
3407 (haifa_init_h_i_d): Same.
3408 * simplify-rtx.c (native_decode_vector_rtx): Same.
3409 (native_decode_rtx): Same.
3410 * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
3411 (shrink_wrap_one_built_in_call_with_conds): Same.
3412 (shrink_wrap_conditional_dead_built_in_calls): Same.
3413 * tree-data-ref.c (create_runtime_alias_checks): Same.
3414 (compute_all_dependences): Same.
3415 * tree-data-ref.h (compute_all_dependences): Same.
3416 (create_runtime_alias_checks): Same.
3417 (index_in_loop_nest): Same.
3418 * tree-if-conv.c (mask_exists): Same.
3419 * tree-loop-distribution.c (class loop_distribution): Same.
3420 (loop_distribution::create_rdg_vertices): Same.
3421 (dump_rdg_partitions): Same.
3422 (debug_rdg_partitions): Same.
3423 (partition_contains_all_rw): Same.
3424 (loop_distribution::distribute_loop): Same.
3425 * tree-parloops.c (oacc_entry_exit_ok_1): Same.
3426 (oacc_entry_exit_single_gang): Same.
3427 * tree-ssa-loop-im.c (hoist_memory_references): Same.
3428 (loop_suitable_for_sm): Same.
3429 * tree-ssa-loop-niter.c (bound_index): Same.
3430 * tree-ssa-reassoc.c (update_ops): Same.
3431 (swap_ops_for_binary_stmt): Same.
3432 (rewrite_expr_tree): Same.
3433 (rewrite_expr_tree_parallel): Same.
3434 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
3435 * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
3436 * tree-ssa-structalias.c (process_all_all_constraints): Same.
3437 (make_constraints_to): Same.
3438 (handle_lhs_call): Same.
3439 (find_func_aliases_for_builtin_call): Same.
3440 (sort_fieldstack): Same.
3441 (check_for_overlaps): Same.
3442 * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
3443 (vect_create_cond_for_unequal_addrs): Same.
3444 (vect_create_cond_for_lower_bounds): Same.
3445 (vect_create_cond_for_alias_checks): Same.
3446 * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
3447 * tree-vect-slp.c (vect_analyze_slp_instance): Same.
3448 (vect_make_slp_decision): Same.
3449 (vect_slp_bbs): Same.
3450 (duplicate_and_interleave): Same.
3451 (vect_transform_slp_perm_load): Same.
3452 (vect_schedule_slp): Same.
3453 * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
3454 (vect_schedule_slp): Same.
3455 (duplicate_and_interleave): Same.
3456 * tree.c (build_vector_from_ctor): Same.
3457 (build_vector): Same.
3458 (check_vector_cst): Same.
3459 (check_vector_cst_duplicate): Same.
3460 (check_vector_cst_fill): Same.
3461 (check_vector_cst_stepped): Same.
3462 * tree.h (build_vector_from_ctor): Same.
3464 2021-07-20 Jakub Jelinek <jakub@redhat.com>
3467 * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
3468 type from bool to int.
3469 * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
3470 EASY_VECTOR_MSB case if either step or copies is not 1.
3471 (vspltis_shifted): Fix comment typo.
3472 (easy_altivec_constant): Change return type from bool to int, instead
3473 of returning true return byte size of the element mode that should be
3474 used to synthetize the constant.
3475 * config/rs6000/predicates.md (easy_vector_constant_msb): Require
3476 that vspltis_shifted is 0, handle the case where easy_altivec_constant
3477 assumes using different vector mode from CONST_VECTOR's mode.
3478 * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
3479 easy_altivec_constant to determine mode in which -1 >> -1 should be
3480 performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
3482 2021-07-20 Richard Biener <rguenther@suse.de>
3485 * dwarf2out.h (dwarf_file_data): Add key member.
3486 * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
3487 (dwarf_file_hasher::hash): Hash key.
3488 (lookup_filename): Remap the filename and store it in the
3489 filename member of dwarf_file_data when creating a new
3491 (file_name_acquire): Do not remap the filename again.
3492 (maybe_emit_file): Likewise.
3494 2021-07-20 Jonathan Wright <jonathan.wright@arm.com>
3496 * config/aarch64/aarch64-simd-builtins.def: Use two variant
3497 generators for all TBL/TBX intrinsics and rename to
3498 consistent forms: qtbl[1234] or qtbx[1234].
3499 * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
3501 (aarch64_qtbl1<mode>): This.
3502 (aarch64_tbx1<mode>): Rename to...
3503 (aarch64_qtbx1<mode>): This.
3504 (aarch64_tbl2v16qi): Delete.
3505 (aarch64_tbl3<mode>): Rename to...
3506 (aarch64_qtbl2<mode>): This.
3507 (aarch64_tbx4<mode>): Rename to...
3508 (aarch64_qtbx2<mode>): This.
3509 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
3510 renamed qtbl1 and qtbl2 RTL patterns.
3511 * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
3513 (vqtbl1_s8): Likewise.
3514 (vqtbl1_u8): Likewise.
3515 (vqtbl1q_p8): Likewise.
3516 (vqtbl1q_s8): Likewise.
3517 (vqtbl1q_u8): Likewise.
3518 (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
3519 (vqtbx1_u8): Likewise.
3520 (vqtbx1_p8): Likewise.
3521 (vqtbx1q_s8): Likewise.
3522 (vqtbx1q_u8): Likewise.
3523 (vqtbx1q_p8): Likewise.
3524 (vtbl1_s8): Use renamed qtbl1 RTL pattern.
3525 (vtbl1_u8): Likewise.
3526 (vtbl1_p8): Likewise.
3527 (vtbl2_s8): Likewise
3528 (vtbl2_u8): Likewise.
3529 (vtbl2_p8): Likewise.
3530 (vtbl3_s8): Use renamed qtbl2 RTL pattern.
3531 (vtbl3_u8): Likewise.
3532 (vtbl3_p8): Likewise.
3533 (vtbl4_s8): Likewise.
3534 (vtbl4_u8): Likewise.
3535 (vtbl4_p8): Likewise.
3536 (vtbx2_s8): Use renamed qtbx2 RTL pattern.
3537 (vtbx2_u8): Likewise.
3538 (vtbx2_p8): Likewise.
3539 (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
3540 (vqtbl2_u8): Likewise.
3541 (vqtbl2_p8): Likewise.
3542 (vqtbl2q_s8): Likewise.
3543 (vqtbl2q_u8): Likewise.
3544 (vqtbl2q_p8): Likewise.
3545 (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
3546 (vqtbx2_u8): Likewise.
3547 (vqtbx2_p8): Likewise.
3548 (vqtbx2q_s8): Likewise.
3549 (vqtbx2q_u8): Likewise.
3550 (vqtbx2q_p8): Likewise.
3551 (vtbx4_s8): Likewise.
3552 (vtbx4_u8): Likewise.
3553 (vtbx4_p8): Likewise.
3555 2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
3558 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
3560 (define_peephole2 atomic_loaddi_fpu): Ditto.
3562 2021-07-20 Kito Cheng <kito.cheng@sifive.com>
3564 * config.gcc (riscv*-*-*): Detect which python is available.
3566 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
3568 * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
3569 (smul<mode>3_highpart): ... this.
3570 (mulhu_<mode>): Rename to...
3571 (umul<mode>3_highpart): ... this.
3572 * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
3573 MULHU_V2DI, MULHU_V4SI): Adjust.
3575 2021-07-20 Kewen Lin <linkw@linux.ibm.com>
3577 PR tree-optimization/100696
3578 * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
3579 * internal-fn.def (IFN_MULH): New internal function.
3580 * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
3581 recog normal multiply highpart as IFN_MULH.
3582 * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
3585 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
3587 * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
3588 (BTF_DEBUGGING_INFO): Likewise.
3589 * doc/tm.texi.in: Document the new macros.
3590 * doc/tm.texi: Regenerated.
3591 * toplev.c: Guard initialization of debug hooks.
3593 2021-07-19 Indu Bhagat <indu.bhagat@oracle.com>
3595 * flags.h (ctf_debuginfo_p): New function declaration.
3596 * opts.c (ctf_debuginfo_p): New function definition.
3598 2021-07-19 Andrew Stubbs <ams@codesourcery.com>
3601 * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
3602 (ASM_SPEC): Set -mattr for xnack and sram-ecc.
3603 * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
3604 * config/gcn/gcn-valu.md: Add a warning comment.
3605 * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
3606 (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
3607 * config/gcn/gcn.md: Add a warning comment.
3608 * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
3609 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
3611 (EF_AMDGPU_XNACK): New.
3612 (EF_AMDGPU_SRAM_ECC): New.
3614 (copy_early_debug_info): Use elf_flags.
3615 (main): Handle -mxnack and -msram-ecc options.
3616 * doc/invoke.texi: Document -mxnack and -msram-ecc.
3618 2021-07-19 Andrew Pinski <apinski@marvell.com>
3621 * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
3622 (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
3624 2021-07-19 Richard Biener <rguenther@suse.de>
3626 PR tree-optimization/101505
3627 * tree-vect-patterns.c (vect_determine_precisions): Walk
3628 PHIs also for loop vectorization.
3630 2021-07-19 Richard Biener <rguenther@suse.de>
3632 * gimple.h (gimple_expr_type): Remove.
3633 * doc/gimple.texi: Remove gimple_expr_type documentation.
3635 2021-07-19 Richard Biener <rguenther@suse.de>
3637 * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
3638 (ao_ref_init_from_vn_reference): Likewise.
3639 (fully_constant_reference): Likewise.
3640 (vn_reference_lookup_call): Do not set vr->type to random
3642 * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
3644 * tree-vect-generic.c (expand_vector_piecewise): Pass in
3645 whether we expanded parallel.
3646 (expand_vector_parallel): Adjust.
3647 (expand_vector_addition): Likewise.
3648 (expand_vector_comparison): Likewise.
3649 (expand_vector_operation): Likewise.
3650 (expand_vector_scalar_condition): Likewise.
3651 (expand_vector_conversion): Likewise.
3653 2021-07-19 Richard Biener <rguenther@suse.de>
3655 * tree-vrp.c (register_edge_assert_for_2): Use the
3657 (vrp_folder::fold_predicate_in): Likewise.
3658 * vr-values.c (gimple_assign_nonzero_p): Likewise.
3659 (vr_values::extract_range_from_comparison): Likewise.
3660 (vr_values::extract_range_from_ubsan_builtin): Use the
3661 type of the first operand.
3662 (vr_values::extract_range_basic): Push down type
3663 computation, use the appropriate LHS.
3664 (vr_values::extract_range_from_assignment): Use the
3667 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
3670 * common/config/i386/i386-common.c (ix86_handle_option): For
3671 -mgeneral-regs-only, enable the GPR only instructions which are
3672 enabled implicitly by SSE ISAs unless they have been disabled
3675 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
3678 * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
3679 ix86_avx_u128_mode_needed.
3680 (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
3681 returns AVX register.
3683 2021-07-17 Jan Hubicka <hubicka@ucw.cz>
3685 * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
3686 (handle_const_call): Liekise
3687 (handle_pure_call): Liekise
3689 2021-07-17 Andrew MacLeod <amacleod@redhat.com>
3691 PR tree-optimization/96542
3692 * range-op.cc (range_operator::wi_fold_in_parts): New.
3693 (range_operator::fold_range): Call wi_fold_in_parts.
3694 (operator_lshift::wi_fold): Fix broken lshift by [0,0].
3695 * range-op.h (wi_fold_in_parts): Add prototype.
3697 2021-07-16 David Malcolm <dmalcolm@redhat.com>
3699 * doc/analyzer.texi: Add __analyzer_dump_state.
3701 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3703 * config/rs6000/rbtree.c: New file.
3704 * config/rs6000/rbtree.h: New file.
3706 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3708 * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
3709 (typeinfo): Add restr field.
3710 (match_bracketed_pair): New function.
3711 (match_const_restriction): Implement.
3713 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3715 * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
3717 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3719 * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
3720 (basetype): Likewise.
3721 (typeinfo): Likewise.
3722 (handle_pointer): New function.
3723 (match_basetype): New stub function.
3724 (match_const_restriction): Likewise.
3725 (match_type): New function.
3727 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3729 * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
3731 (advance_line): Likewise.
3732 (safe_inc_pos): Likewise.
3733 (match_identifier): Likewise.
3734 (match_integer): Likewise.
3735 (match_to_right_bracket): Likewise.
3737 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3739 * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
3740 (ovld_file): Likewise.
3741 (header_file): Likewise.
3742 (init_file): Likewise.
3743 (defines_file): Likewise.
3744 (pgm_path): Likewise.
3745 (bif_path): Likewise.
3746 (ovld_path): Likewise.
3747 (header_path): Likewise.
3748 (init_path): Likewise.
3749 (defines_path): Likewise.
3750 (LINELEN): New macro.
3751 (linebuf): New variable.
3755 (bif_diag): New function.
3756 (ovld_diag): Likewise.
3758 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3760 * config/rs6000/rs6000-builtin-new.def: New.
3761 * config/rs6000/rs6000-overload.def: New.
3763 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3765 * config/rs6000/rs6000-gen-builtins.c: New.
3767 2021-07-16 Bill Schmidt <wschmidt@linux.ibm.com>
3769 * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
3770 (s-gtype): Depend on EXTRA_GTYPE_DEPS.
3771 * gengtype-state.c (state_writer::write_state_file_list): Add a
3772 parameter to the fileslist expression for the number of build
3774 (read_state_files_list): Detect build headers and strip the
3775 initial "./" or ".\" from their names.
3776 * gengtype.c (build_headers): New global variable.
3777 (num_build_headers): Likewise.
3778 (open_base_files): Emit #include for each build header.
3779 (main): Detect and count build headers.
3780 * gengtype.h (build_headers): New extern variable.
3781 (num_build_headers): Likewise.
3783 2021-07-16 Richard Biener <rguenther@suse.de>
3785 * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
3786 the type of the LHS.
3787 (find_bswap_or_nop_1): Likewise.
3788 (find_bswap_or_nop): Likewise.
3789 * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
3791 * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
3792 Remove unused parameters, pass in the scalar type. Fix
3793 internal store function handling.
3794 * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
3795 (vect_get_vector_types_for_stmt): Move down check for
3796 existing vector stmt after we've determined a scalar type.
3797 Pass down the used scalar type to vect_get_smallest_scalar_type.
3798 * tree-vect-generic.c (expand_vector_condition): Use
3799 the type of the LHS.
3800 (expand_vector_scalar_condition): Likewise.
3801 (expand_vector_operations_1): Likewise.
3802 * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
3803 (vect_recog_dot_prod_pattern): Likewise.
3804 (vect_recog_sad_pattern): Likewise.
3805 (vect_recog_widen_op_pattern): Likewise.
3806 (vect_recog_widen_sum_pattern): Likewise.
3807 (vect_recog_mixed_size_cond_pattern): Likewise.
3809 2021-07-16 Jan Hubicka <hubicka@ucw.cz>
3811 * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
3812 (dump_eaf_flags): Dump EAF_NOT_RETURNED
3813 (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
3814 and EAF_NOT_RETURNED.
3815 (modref_summary::useful_p): Likewise.
3816 (modref_summary_lto::useful_p): Likewise.
3817 (struct) modref_summary_lto: Use eaf_fleags_t.
3818 (deref_flags): Handle EAF_NOT_RETURNED.
3819 (struct escape_point): Use min_flags.
3820 (modref_lattice::init): Add EAF_NOT_RETURNED.
3821 (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
3822 (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
3824 (analyze_parms): Also analyze const functions; update conition on
3826 (modref_write): Update streaming.
3827 (read_section): Update streaming.
3828 (remap_arg_flags): Use eaf_flags_t.
3829 (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
3830 * ipa-modref.h: (eaf_flags_t): New typedef.
3831 (struct modref_summary): Use eaf_flags_t.
3832 * tree-core.h (EAF_NOT_RETURNED): New constant.
3834 2021-07-16 Richard Biener <rguenther@suse.de>
3836 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
3837 the type of the LHS.
3838 (gimple_assign_nonnegative_warnv_p): Likewise.
3839 (gimple_call_nonnegative_warnv_p): Likewise. Return false
3840 if the call has no LHS.
3841 * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
3842 * tree-eh.c (stmt_could_throw_1_p): Likewise.
3843 * tree-inline.c (insert_init_stmt): Likewise.
3844 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3845 * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
3847 * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
3848 gassign *. Use the type of the lhs.
3849 (vn_nary_op_lookup_stmt): Adjust.
3850 (vn_nary_op_insert_stmt): Likewise.
3852 2021-07-16 Ilya Leoshkevich <iii@linux.ibm.com>
3854 * config/s390/predicates.md (bras_sym_operand): Accept all
3855 functions in 64-bit mode, use UNSPEC_PLT31.
3856 (larl_operand): Use UNSPEC_PLT31.
3857 * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
3858 (legitimize_pic_address): Likewise.
3859 (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
3861 (s390_delegitimize_address): Use UNSPEC_PLT31.
3862 (s390_output_addr_const_extra): Likewise.
3863 (print_operand): Add @PLT to TLS calls, handle %K.
3864 (s390_function_profiler): Mark __fentry__/_mcount as function,
3865 use %K, use UNSPEC_PLT31.
3866 (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
3867 (s390_emit_call): Use UNSPEC_PLT31.
3868 (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
3869 * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
3870 (*movdi_64): Use %K.
3871 (reload_base_64): Likewise.
3872 (*sibcall_brc): Likewise.
3873 (*sibcall_brcl): Likewise.
3874 (*sibcall_value_brc): Likewise.
3875 (*sibcall_value_brcl): Likewise.
3878 (*bras_r): Likewise.
3879 (*brasl_r): Likewise.
3880 (*bras_tls): Likewise.
3881 (*brasl_tls): Likewise.
3882 (main_base_64): Likewise.
3883 (reload_base_64): Likewise.
3884 (@split_stack_call<mode>): Likewise.
3886 2021-07-16 Richard Biener <rguenther@suse.de>
3888 PR tree-optimization/101467
3889 * tree-vect-stmts.c (vect_gen_while): Properly guard
3890 make_temp_ssa_name usage.
3892 2021-07-16 Cooper Qu <cooper.qu@linux.alibaba.com>
3894 * config.gcc: Don't use forked print-sysroot-suffix.sh and
3895 t-sysroot-suffix for C-SKY.
3896 * config/csky/print-sysroot-suffix.sh: Delete.
3897 * config/csky/t-csky-linux: Delete.
3898 * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
3899 instead of CSKY_MULTILIB_DIRNAMES.
3901 2021-07-16 Richard Biener <rguenther@suse.de>
3903 * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
3904 conversion issues with the partial reduction of the reused
3907 2021-07-16 Richard Biener <rguenther@suse.de>
3909 * config/i386/i386-options.c (ix86_option_override_internal): Set
3910 param_vect_partial_vector_usage to zero if not set.
3912 2021-07-15 Uroš Bizjak <ubizjak@gmail.com>
3915 * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
3916 (VALID_INT_MODE_P): Add SDmode and DDmode.
3917 Add TDmode for TARGET_64BIT.
3918 (VALID_DFP_MODE_P): Remove.
3919 * config/i386/i386.c (ix86_hard_regno_mode_ok):
3920 Do not use VALID_DFP_MODE_P.
3922 2021-07-15 Andrew MacLeod <amacleod@redhat.com>
3924 * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
3926 (fold_using_range::fold_stmt): Ditto.
3927 (fold_using_range::range_of_range_op): Ditto.
3928 (fold_using_range::range_of_phi): Ditto.
3929 (fold_using_range::range_of_call): Ditto.
3930 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
3931 (fold_using_range::range_of_builtin_call): Ditto.
3932 (fold_using_range::range_of_cond_expr): Ditto.
3933 * gimple-range-fold.h (gimple_range_type): New.
3935 2021-07-15 Martin Sebor <msebor@redhat.com>
3938 * tree-ssa-strlen.c (handle_assign): New function.
3939 (maybe_warn_overflow): Add argument.
3940 (nonzero_bytes_for_type): New function.
3941 (count_nonzero_bytes): Handle more tree types. Call
3942 nonzero_bytes_for_tye.
3943 (count_nonzero_bytes): Handle types.
3944 (handle_store): Handle stores from function calls.
3945 (strlen_check_and_optimize_call): Move code to handle_assign. Call
3946 it for assignments from function calls.
3948 2021-07-15 David Malcolm <dmalcolm@redhat.com>
3953 * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
3955 2021-07-15 David Malcolm <dmalcolm@redhat.com>
3957 * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
3959 2021-07-15 Martin Sebor <msebor@redhat.com>
3963 * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
3964 (operand_compare::verify_hash_value): Same.
3965 * tree-core.h (OEP_DECL_NAME): New.
3967 2021-07-15 Martin Jambor <mjambor@suse.cz>
3969 * profile-count.h (profile_count::value): Change the return type to
3971 * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
3973 * tree-cfg.c (dump_function_to_file): Likewise.
3975 2021-07-15 Bill Schmidt <wschmidt@linux.ibm.com>
3978 * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
3979 (rs6000_analyze_swaps): Insns containing a subreg of a mult are
3982 2021-07-15 Richard Biener <rguenther@suse.de>
3984 * tree-vectorizer.h (vect_gen_while): Match up with
3986 * tree-vect-stmts.c (vect_gen_while): Adjust API to that
3987 of vect_gen_while_not.
3988 (vect_gen_while_not): Adjust.
3989 * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
3991 2021-07-15 Aldy Hernandez <aldyh@redhat.com>
3993 * gimple-range-cache.cc (non_null_ref::adjust_range): New.
3994 (ranger_cache::range_of_def): Call adjust_range.
3995 (ranger_cache::entry_range): Same.
3996 * gimple-range-cache.h (non_null_ref::adjust_range): New.
3997 * gimple-range.cc (gimple_ranger::range_of_expr): Call
3999 (gimple_ranger::range_on_entry): Same.
4001 2021-07-15 Tamar Christina <tamar.christina@arm.com>
4004 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4006 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
4008 2021-07-15 Tamar Christina <tamar.christina@arm.com>
4011 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4013 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
4014 (sdot_prod, udot_prod): ...These.
4015 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
4016 (aarch64_<sur>dot<vsi2qi>): Rename to...
4017 (<sur>dot_prod<vsi2qi>): ...This.
4018 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4021 2021-07-15 Jakub Jelinek <jakub@redhat.com>
4023 PR middle-end/101437
4024 * gimplify.c (gimplify_expr): Throw away volatile reads from empty
4025 types even if they have non-BLKmode TYPE_MODE.
4027 2021-07-15 Richard Biener <rguenther@suse.de>
4030 * gcc.c (process_command): Process -gtoggle like process_options
4031 would after parsing options.
4033 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
4035 * cfgexpand.c (expand_asm_loc): Adjust.
4036 (expand_asm_stmt): Likewise.
4037 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
4038 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
4039 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
4040 * config/avr/avr.c (avr_md_asm_adjust): Likewise.
4041 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
4042 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
4043 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
4044 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
4045 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
4046 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
4047 * config/s390/s390.c (s390_md_asm_adjust): Likewise.
4048 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
4049 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
4050 * doc/tm.texi: Regenerate.
4051 * target.def: Add location argument to md_asm_adjust.
4053 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
4055 * tree-diagnostic.c (diagnostic_report_current_function): Use the
4056 diagnostic's location, not input_location.
4058 2021-07-15 Trevor Saunders <tbsaunde@tbsaunde.org>
4060 * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
4062 (expand_asm_stmt): Likewise.
4064 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
4066 * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
4067 addressed memory rtx, if any.
4068 (rs6000_split_multireg_move): Fix code formatting.
4069 Handle MMA build built-ins with operands in adjacent memory locations.
4071 2021-07-14 Peter Bergner <bergner@linux.ibm.com>
4073 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
4076 2021-07-14 Jason Merrill <jason@redhat.com>
4078 * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
4080 2021-07-14 Jason Merrill <jason@redhat.com>
4082 * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
4085 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4087 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4088 Remove erroneous line.
4090 2021-07-14 Andrew MacLeod <amacleod@redhat.com>
4092 * params.opt (param_evrp_mode): Change default.
4094 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4096 * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
4097 (sdot_prod, udot_prod): ...These.
4098 * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
4099 (aarch64_<sur>dot<vsi2qi>): Rename to...
4100 (<sur>dot_prod<vsi2qi>): ...This.
4101 * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4104 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4106 * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
4108 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4110 * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
4112 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4114 * config/arm/neon.md (usdot_prod<vsi2qi>): New.
4116 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4118 * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
4119 (usdot_prod<vsi2qi>): ... This.
4120 * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
4121 (usdot_prod): ...This.
4122 * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
4123 * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
4125 (@<sur>dot_prod<vsi2qi>): ...This.
4126 * config/aarch64/aarch64-sve-builtins-base.cc
4127 (svusdot_impl::expand): Use it.
4129 2021-07-14 Tamar Christina <tamar.christina@arm.com>
4131 * optabs.def (usdot_prod_optab): New.
4132 * doc/md.texi: Document it and clarify other dot prod optabs.
4133 * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
4134 * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
4135 * optabs.c (expand_widen_pattern_expr): Likewise.
4136 * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
4137 * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
4138 * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
4140 (vect_widened_op_tree): Optionally ignore
4142 (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
4144 2021-07-14 H.J. Lu <hjl.tools@gmail.com>
4147 * config/i386/driver-i386.c (host_detect_local_cpu): Check
4148 "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
4149 Enable UINTR only for 64-bit codegen.
4150 * config/i386/i386-options.c
4151 (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
4153 * config/i386/i386.h (ARCH_ARG): New.
4154 (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
4155 "[arch|tune] 64" for 64-bit codegen.
4157 2021-07-14 Richard Biener <rguenther@suse.de>
4159 PR tree-optimization/101445
4160 * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
4161 of the IV in the correct direction for negative stride
4164 2021-07-14 Jakub Jelinek <jakub@redhat.com>
4167 * godump.c (godump_str_hash): New type.
4168 (godump_container::pot_dummy_types): Use string_hash instead of
4169 ptr_hash in the hash_set.
4171 2021-07-14 Richard Biener <rguenther@suse.de>
4173 * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
4174 vector types where the old vector type has a multiple of
4175 the new vector type elements.
4176 (vect_create_partial_epilog): New function, split out from...
4177 (vect_create_epilog_for_reduction): ... here.
4178 (vect_transform_cycle_phi): Reduce the re-used accumulator
4179 to the new vector type.
4181 2021-07-14 Alexandre Oliva <oliva@adacore.com>
4183 * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
4184 non-'t'-sized arg check.
4186 2021-07-14 Alexandre Oliva <oliva@adacore.com>
4188 * tree-cfg.c (cleanup_dead_labels_eh): Update
4189 post_landing_pad label upon change of landing pad block's
4191 (cleanup_dead_labels): Check that a removed label is not that
4194 2021-07-13 Jonathan Wright <jonathan.wright@arm.com>
4196 * combine.c (combine_simplify_rtx): Add vec_select -> subreg
4198 * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
4199 Add Neon to general purpose register case for zero-extend
4201 * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
4202 case to prevent some cases opting to go through memory.
4203 * cse.c (fold_rtx): Add vec_select -> subreg simplification.
4204 * rtl.c (rtvec_series_p): Define predicate to determine
4205 whether a vector contains a linear series of integers.
4206 * rtl.h (rtvec_series_p): Define.
4207 * rtlanal.c (vec_series_lowpart_p): Define predicate to
4208 determine if a vector selection is equivalent to the low part
4210 * rtlanal.h (vec_series_lowpart_p): Define.
4211 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
4212 Add vec_select -> subreg simplification.
4214 2021-07-13 Paul A. Clarke <pc@us.ibm.com>
4216 * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
4217 _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
4218 _mm_test_mix_ones_zeros): New.
4220 2021-07-13 Roger Sayle <roger@nextmovesoftware.com>
4221 Richard Biener <rguenther@suse.de>
4223 * gimple.c (gimple_could_trap_p_1): Make S argument a
4224 "const gimple*". Preserve constness in call to
4225 gimple_asm_volatile_p.
4226 (gimple_could_trap_p): Make S argument a "const gimple*".
4227 * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
4228 Update function prototypes.
4230 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4232 * tree-vectorizer.h (vect_reusable_accumulator): New structure.
4233 (_loop_vec_info::main_loop_edge): New field.
4234 (_loop_vec_info::skip_main_loop_edge): Likewise.
4235 (_loop_vec_info::skip_this_loop_edge): Likewise.
4236 (_loop_vec_info::reusable_accumulators): Likewise.
4237 (_stmt_vec_info::reduc_scalar_results): Likewise.
4238 (_stmt_vec_info::reused_accumulator): Likewise.
4239 (vect_get_main_loop_result): Declare.
4240 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
4241 reduc_scalar_inputs.
4242 (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
4243 * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
4244 (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
4245 skip_main_loop_edge and skip_this_loop_edge fields.
4246 * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
4247 (vect_emit_reduction_init_stmts): New function.
4248 (get_initial_def_for_reduction): Use it.
4249 (get_initial_defs_for_reduction): Likewise. Change the vinfo
4250 parameter to a loop_vec_info.
4251 (vect_create_epilog_for_reduction): Store the scalar results
4252 in the reduc_info. If an epilogue loop is reusing an accumulator
4253 from the main loop, and if the epilogue loop can also be skipped,
4254 try to place the reduction code in the join block. Record
4255 accumulators that could potentially be reused by epilogue loops.
4256 (vect_transform_cycle_phi): When vectorizing epilogue loops,
4257 try to reuse accumulators from the main loop. Record the initial
4258 value in reduc_info for non-SLP reductions too.
4260 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4262 * tree-vect-loop.c (get_initial_def_for_reduction): Remove
4263 adjustment handling. Take the neutral value as an argument,
4264 in place of the code argument.
4265 (vect_transform_cycle_phi): Update accordingly. Handle the
4266 initial values of cond reductions separately from code reductions.
4267 Choose the adjustment here rather than in
4268 get_initial_def_for_reduction. Sink the splat of vec_initial_def.
4270 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4272 * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
4273 (neutral_op_for_reduction): ...this, providing a more general
4275 (vect_create_epilog_for_reduction): Update accordingly.
4276 (vectorizable_reduction): Likewise.
4277 (vect_transform_cycle_phi): Likewise.
4279 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4281 * tree-vect-loop.c (get_initial_def_for_reduction): Take the
4282 reduc_info instead of the original stmt_vec_info.
4283 (vect_transform_cycle_phi): Update accordingly.
4285 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4287 * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
4288 reduc_info as an additional parameter.
4289 (vect_transform_cycle_phi): Update accordingly.
4291 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4293 * tree-vectorizer.h: Include tree-ssa-operands.h.
4294 (vect_phi_initial_value): New function.
4295 * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
4296 (get_initial_defs_for_reduction, info_for_reduction): Likewise.
4297 (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
4298 (vect_transform_cycle_phi, vectorizable_induction): Likewise.
4300 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4302 * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
4303 the phi results to vectype after creating them. Remove later
4304 conversion code that thus becomes redundant.
4306 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4308 * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
4309 the new_phis vector with a reduc_inputs vector. Combine handling
4310 of reduction chains and ncopies > 1.
4312 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4314 * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
4315 scalar_results to group_size elements after reducing down from
4316 N*group_size elements. Construct an array_slice of the live-out
4317 stmts and assert that there is one stmt per scalar result.
4319 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4321 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
4322 nested_in_vect_loop and use double_reduc everywhere. Remove dead
4323 assignment to "loop".
4325 2021-07-13 Richard Sandiford <richard.sandiford@arm.com>
4327 * internal-fn.c (vectorized_internal_fn_supported_p): Handle
4328 vector types first. For scalar types, consider both the preferred
4329 vector mode and the alternative vector modes.
4330 * optabs-query.c (can_vec_mask_load_store_p): Use the same
4331 structure as above, in particular using related_vector_mode
4332 for modes provided by autovectorize_vector_modes.
4334 2021-07-13 Jakub Jelinek <jakub@redhat.com>
4335 Richard Biener <rguenther@suse.de>
4337 PR tree-optimization/101419
4338 * tree-pass.h (PROP_objsz): Define.
4339 (make_pass_early_object_sizes): Declare.
4340 * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
4341 there to pass_early_object_sizes, drop parameter.
4342 (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
4343 drop parameter, move pass_post_ipa_warn right after that.
4344 * tree-object-size.c (pass_object_sizes::execute): Rename to...
4345 (object_sizes_execute): ... this. Add insert_min_max_p argument.
4346 (pass_data_object_sizes): Move after object_sizes_execute.
4347 (pass_object_sizes): Likewise. In execute method call
4348 object_sizes_execute, drop set_pass_param method and insert_min_max_p
4349 non-static data member and its initializer in the ctor.
4350 (pass_data_early_object_sizes, pass_early_object_sizes,
4351 make_pass_early_object_sizes): New.
4352 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
4353 (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
4355 2021-07-13 Kito Cheng <kito.cheng@sifive.com>
4358 * config/riscv/constraints.md ("S"): Update description and remove
4360 * doc/md.texi (Machine Constraints): Document the 'S' constraints
4363 2021-07-13 Richard Biener <rguenther@suse.de>
4366 2021-07-12 Richard Biener <rguenther@suse.de>
4368 * tree-vect-slp.c (vect_slp_region): Show the number of
4369 SLP graph entries in the optimization message.
4371 2021-07-13 Michael Meissner <meissner@linux.ibm.com>
4373 * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
4375 * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
4376 return type to long.
4377 * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
4380 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
4382 * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
4383 Query relation between the 2 operands and use it.
4385 2021-07-12 Sergei Trofimovich <siarheit@google.com>
4387 * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
4389 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
4392 * config/i386/predicates.md (vec_setm_sse41_operand):
4393 Rename from vec_setm_operand.
4394 (vec_setm_avx2_operand): New predicate.
4395 * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
4396 Use vec_setm_sse41_operand as operand 2 predicate.
4397 (vec_set<V_256_512:mode): New expander.
4398 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
4399 as operand 2 predicate.
4401 2021-07-12 Andrew MacLeod <amacleod@redhat.com>
4403 PR tree-optimization/101335
4404 * range-op.cc (operator_cast::lhs_op1_relation): Delete.
4406 2021-07-12 Andrew Pinski <apinski@marvell.com>
4408 * tree-ssa-phiopt.c (match_simplify_replacement): Move
4409 insert of the sequence before the movement of the
4410 statement. Check if to see if the statement is used
4411 outside of the original phi to see if we should move it.
4413 2021-07-12 Richard Biener <rguenther@suse.de>
4415 * dump-context.h (debug_dump_context::debug_dump_context):
4416 Add FILE * parameter defaulted to stderr.
4417 * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
4418 * tree-vect-slp.c (dot_slp_tree): New functions.
4420 2021-07-12 Richard Biener <rguenther@suse.de>
4422 PR tree-optimization/101373
4423 * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
4424 references when the BB may not return.
4425 (compute_avail): Pass in the function we're working on and
4426 replace cfun references with it. Externally throwing
4427 const calls also possibly terminate the function.
4428 (pass_pre::execute): Pass down the function we're working on.
4429 * gcse.c (compute_hash_table_work): Externally throwing
4430 const/pure calls also need record_last_mem_set_info.
4431 * postreload-gcse.c (record_opr_changes): Looping or externally
4432 throwing const/pure calls also need record_last_mem_set_info.
4434 2021-07-12 Uroš Bizjak <ubizjak@gmail.com>
4436 * recog.c (memory_address_addr_space_p): Change the type to bool.
4437 Return true/false instead of 1/0.
4438 (offsettable_memref_p): Ditto.
4439 (offsettable_nonstrict_memref_p): Ditto.
4440 (offsettable_address_addr_space_p): Ditto.
4441 Change the type of addressp indirect function to bool.
4442 * recog.h (memory_address_addr_space_p): Change the type to bool.
4443 (strict_memory_address_addr_space_p): Ditto.
4444 (offsettable_memref_p): Ditto.
4445 (offsettable_nonstrict_memref_p): Ditto.
4446 (offsettable_address_addr_space_p): Ditto.
4447 * reload.c (maybe_memory_address_addr_space_p): Ditto.
4448 (strict_memory_address_addr_space_p): Change the type to bool.
4449 Return true/false instead of 1/0.
4450 (maybe_memory_address_addr_space_p): Change the type to bool.
4452 2021-07-12 Richard Biener <rguenther@suse.de>
4454 * tree-vect-slp.c (vect_slp_region): Show the number of
4455 SLP graph entries in the optimization message.
4457 2021-07-12 Richard Biener <rguenther@suse.de>
4459 PR tree-optimization/101394
4460 * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
4461 copies from abnormals for a full redundancy.
4463 2021-07-12 Richard Biener <rguenther@suse.de>
4465 PR middle-end/101423
4466 * gimple.c (gimple_could_trap_p_1): Internal function calls
4468 * tree-eh.c (tree_could_trap_p): Likewise.
4470 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
4473 * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
4475 (vmulq_n_u32): Likewise.
4476 (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
4477 (vmulq_n_f32): Likewise.
4478 (vmul_n_f16): Likewise.
4479 (vmulq_n_f16): Likewise.
4481 2021-07-12 Martin Liska <mliska@suse.cz>
4484 * gcc.c (check_offload_target_name): Call
4485 candidates_list_and_hint only if we have a candidate.
4487 2021-07-12 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
4490 * config/arm/neon.md (vec_init): Move to ...
4491 * config/arm/vec-common.md (vec_init): ... here.
4492 Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
4494 2021-07-12 Roger Sayle <roger@nextmovesoftware.com>
4496 PR tree-optimization/101403
4497 * match.pd ((T)bswap(X)>>C): Correctly handle cases where
4498 signedness of the shift is not the same as the signedness of
4501 2021-07-09 Roger Sayle <roger@nextmovesoftware.com>
4502 Uroš Bizjak <ubizjak@gmail.com>
4504 * config/i386/i386.md (*divmodsi4_const): Optimize SImode
4505 divmod of a constant numerator with new define_insn_and_split.
4507 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
4510 * config/i386/i386-expand.c (ix86_expand_call): If a call is
4511 to a non-local-binding, or local but to a public symbol, then
4512 assume that it might be indirected via the lazy symbol binder.
4513 Mark R10 and R10 as clobbered in that case.
4515 2021-07-09 Eric Botcazou <ebotcazou@adacore.com>
4518 * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
4519 the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
4520 and HAVE_LD_BROKEN_PE_DWARF5 is defined.
4522 2021-07-09 Uroš Bizjak <ubizjak@gmail.com>
4524 * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
4525 log2 range of operands[3] to [1,31].
4526 (*udivmodsi4_pow2_zext_2): Ditto. Correct insn RTX pattern.
4528 2021-07-09 Sergei Trofimovich <siarheit@google.com>
4530 * doc/md.texi: Don't split @smallexample in multiple @groups.
4532 2021-07-09 Sergei Trofimovich <siarheit@google.com>
4534 * doc/md.texi: Add missing 'see' word.
4536 2021-07-09 Andrew Pinski <apinski@marvell.com>
4538 * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
4539 to take sequence and gimple_match_op. Accept the case where
4540 op is a SSA_NAME and one statement in the sequence.
4541 Also allow constants.
4542 (gimple_simplify_phiopt): Always pass a sequence to resimplify.
4543 Update call to phiopt_early_allow. Discard the sequence if not
4546 2021-07-09 Xi Ruoyao <xry111@mengyan1223.wang>
4551 * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
4552 instead of ISA_HAS_MSA.
4553 (mips_expand_vec_unpack): Likewise.
4554 (mips_expand_vector_init): Likewise.
4556 2021-07-09 Kewen Lin <linkw@linux.ibm.com>
4558 * config/rs6000/vsx.md (mods_<mode>): Rename to...
4559 (mod<mode>3): ... this.
4560 (modu_<mode>): Rename to...
4561 (umod<mode>3): ... this.
4562 * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
4565 2021-07-08 Jeff Law <jeffreyalaw@gmail.com>
4567 * config/h8300/shiftrotate.md (variable shifts): Expose condition
4568 code handling for the test before the loop.
4570 2021-07-08 Martin Jambor <mjambor@suse.cz>
4573 * ipa-sra.c (class isra_call_summary): New member
4574 m_before_any_store, initialize it in the constructor.
4575 (isra_call_summary::dump): Dump the new field.
4576 (ipa_sra_call_summaries::duplicate): Copy it.
4577 (process_scan_results): Set it.
4578 (isra_write_edge_summary): Stream it.
4579 (isra_read_edge_summary): Likewise.
4580 (param_splitting_across_edge): Only override
4581 safe_to_import_accesses if m_before_any_store is set.
4583 2021-07-08 Martin Sebor <msebor@redhat.com>
4586 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
4587 Use Object Size Type 0 instead of 1.
4589 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
4591 * tree-vect-loop.c (vectorizable_reduction): Remove always-true
4594 2021-07-08 Richard Sandiford <richard.sandiford@arm.com>
4596 * match.pd: Simplify an extend-operate-truncate sequence involving
4599 2021-07-08 Roger Sayle <roger@nextmovesoftware.com>
4600 Richard Biener <rguenther@suse.de>
4602 PR tree-optimization/40210
4603 * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
4604 (x>>C3)&C2 when possible. Simplify bswap(x)>>C1 as ((T)x)>>C2
4605 when possible. Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
4607 2021-07-08 Uroš Bizjak <ubizjak@gmail.com>
4610 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
4612 * config/i386/mmx.md (V_32): New mode iterator.
4613 (mov<V_32:mode>): Use V_32 mode iterator.
4614 (*mov<V_32:mode>_internal): Ditto.
4615 (*push<V_32:mode>2_rex64): Ditto.
4616 (*push<V_32:mode>2): Ditto.
4617 (movmisalign<V_32:mode>): Ditto.
4618 (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
4619 (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
4620 (vec_unpacks_lo_v4qi): New expander.
4621 (vec_unpacks_hi_v4qi): Ditto.
4622 (vec_unpacku_lo_v4qi): Ditto.
4623 (vec_unpacku_hi_v4qi): Ditto.
4624 * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
4625 (VALID_INT_MODE_P): Ditto.
4627 2021-07-08 Michael Meissner <meissner@linux.ibm.com>
4630 * config/rs6000/rs6000.md (udivti3): New insn.
4632 (umodti3): New insn.
4635 2021-07-07 Martin Sebor <msebor@redhat.com>
4637 PR tree-optimization/100137
4638 PR tree-optimization/99121
4639 PR tree-optimization/97027
4640 * builtins.c (access_ref::access_ref): Also set offmax.
4641 (access_ref::offset_in_range): Define new function.
4642 (access_ref::add_offset): Set offmax.
4643 (access_ref::inform_access): Handle access_none.
4644 (handle_mem_ref): Clear ostype.
4645 (compute_objsize_r): Handle ASSERT_EXPR.
4646 * builtins.h (struct access_ref): Add offmax member.
4647 * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
4648 compute_objsize() and simplify.
4650 2021-07-07 Peter Bergner <bergner@linux.ibm.com>
4652 * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
4653 and VSX_BUILTIN_STXVP.
4655 2021-07-07 Martin Sebor <msebor@redhat.com>
4658 * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
4659 a stray %K from error_at() missed in r12-2088.
4661 2021-07-07 Richard Biener <rguenther@suse.de>
4663 PR tree-optimization/99728
4664 * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
4666 (mem_refs_may_alias_p): Add assert we handled aggregate
4668 (sm_seq_valid_bb): Give up when running into aggregate copies.
4669 (ref_indep_loop_p): Handle aggregate copies as never
4670 being invariant themselves but allow other refs to be
4671 disambiguated against them.
4672 (can_sm_ref_p): Do not try to apply store-motion to aggregate
4675 2021-07-06 Indu Bhagat <indu.bhagat@oracle.com>
4678 * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
4681 2021-07-06 Martin Sebor <msebor@redhat.com>
4683 * gimple-pretty-print.c (percent_G_format): Remove.
4684 * tree-diagnostic.c (default_tree_printer): Remove calls.
4685 * tree-pretty-print.c (percent_K_format): Remove.
4686 * tree-pretty-print.h (percent_K_format): Remove.
4688 2021-07-06 Martin Sebor <msebor@redhat.com>
4690 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
4691 Remove %K and use error_at.
4692 (aarch64_expand_fcmla_builtin): Same.
4693 (aarch64_expand_builtin_tme): Same.
4694 (aarch64_expand_builtin_memtag): Same.
4695 * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
4696 (arm_expand_builtin): Same.
4697 * config/arm/arm.c (bounds_check): Same.
4699 2021-07-06 Martin Sebor <msebor@redhat.com>
4701 * builtins.c (warn_string_no_nul): Remove %G.
4702 (maybe_warn_for_bound): Same.
4703 (warn_for_access): Same.
4704 (check_access): Same.
4705 (check_strncat_sizes): Same.
4706 (expand_builtin_strncat): Same.
4707 (expand_builtin_strncmp): Same.
4708 (expand_builtin): Same.
4709 (expand_builtin_object_size): Same.
4710 (warn_dealloc_offset): Same.
4711 (maybe_emit_free_warning): Same.
4712 * calls.c (maybe_warn_alloc_args_overflow): Same.
4713 (maybe_warn_nonstring_arg): Same.
4714 (maybe_warn_rdwr_sizes): Same.
4715 * expr.c (expand_expr_real_1): Remove %K.
4716 * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
4717 (gimple_fold_builtin_strncat): Same.
4718 * gimple-ssa-sprintf.c (format_directive): Same.
4719 (handle_printf_call): Same.
4720 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
4721 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
4722 (maybe_diag_access_bounds): Same. Call gimple_location.
4723 (check_bounds_or_overlap): Same.
4724 * trans-mem.c (ipa_tm_scan_irr_block): Remove %K. Simplify.
4725 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
4726 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
4727 (maybe_diag_stxncpy_trunc): Same.
4728 (handle_builtin_stxncpy_strncat): Same.
4729 (maybe_warn_pointless_strcmp): Same.
4730 * tree-ssa-uninit.c (maybe_warn_operand): Same.
4732 2021-07-06 Uroš Bizjak <ubizjak@gmail.com>
4735 * config/i386/predicates.md (vec_setm_operand): Enable
4736 register_operand for TARGET_SSE4_1.
4737 * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
4738 as operand 2 predicate. Call ix86_expand_vector_set_var
4739 for non-constant index operand.
4740 (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
4741 Call ix86_expand_vector_set_var for non-constant index operand.
4743 2021-07-06 Jeff Law <jeffreyalaw@gmail.com>
4745 * config/h8300/jumpcall.md (*branch): When possible, generate
4746 the comparison in CCZN mode.
4747 * config/h8300/predicates.md (simple_memory_operand): Reject all
4748 auto-increment addressing modes.
4750 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
4753 * config/i386/i386.h (struct stringop_algs): Define a CTOR for
4756 2021-07-06 Richard Biener <rguenther@suse.de>
4758 * doc/md.texi (vec_fmaddsub<mode>4): Document.
4759 (vec_fmsubadd<mode>4): Likewise.
4760 * optabs.def (vec_fmaddsub$a4): Add.
4761 (vec_fmsubadd$a4): Likewise.
4762 * internal-fn.def (IFN_VEC_FMADDSUB): Add.
4763 (IFN_VEC_FMSUBADD): Likewise.
4764 * tree-vect-slp-patterns.c (addsub_pattern::recognize):
4765 Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
4766 (addsub_pattern::build): Likewise.
4767 * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
4768 and CFN_VEC_FMSUBADD are not transparent for permutes.
4769 * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
4770 (vec_fmsubadd<mode>4): Likewise.
4772 2021-07-06 Richard Biener <rguenther@suse.de>
4774 * doc/invoke.texi (fmove-loop-stores): Document.
4775 * common.opt (fmove-loop-stores): New option.
4776 * opts.c (default_options_table): Enable -fmove-loop-stores
4778 * tree-ssa-loop-im.c (pass_lim::execute): Pass
4779 flag_move_loop_stores instead of true to
4780 loop_invariant_motion_in_fun.
4782 2021-07-06 Iain Sandoe <iain@sandoe.co.uk>
4784 * doc/install.texi: Document --with-dsymutil.
4786 2021-07-06 Andrew Pinski <apinski@marvell.com>
4788 PR tree-optimization/101256
4789 * dbgcnt.def (phiopt_edge_range): New counter.
4790 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
4791 Check to make sure the new name is defined in the same
4792 bb as the conditional before duplicating range info.
4793 Also add debug counter.
4795 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
4797 PR rtl-optimization/100328
4798 * config/i386/i386-options.c (ix86_option_override_internal):
4799 Set param_ira_consider_dup_in_all_alts to 0.
4801 2021-07-06 Kewen Lin <linkw@linux.ibm.com>
4803 PR rtl-optimization/100328
4804 * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
4806 * ira.c (ira_get_dup_out_num): Adjust as parameter
4807 param_ira_consider_dup_in_all_alts.
4808 * params.opt (ira-consider-dup-in-all-alts): New.
4809 * ira-conflicts.c (process_regs_for_copy): Add one parameter
4810 single_input_op_has_cstr_p.
4811 (get_freq_for_shuffle_copy): New function.
4812 (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
4813 * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
4815 2021-07-05 Jeff Law <jeffreyalaw@gmail.com>
4817 * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
4818 generate condition code aware RTL directly.
4820 2021-07-05 Andrew Pinski <apinski@marvell.com>
4822 PR tree-optimization/101039
4823 * match.pd (A CMP 0 ? A : -A): New patterns.
4824 * tree-ssa-phiopt.c (abs_replacement): Delete function.
4825 (tree_ssa_phiopt_worker): Don't call abs_replacement.
4826 Update comment about abs_replacement.
4828 2021-07-05 Andrew Pinski <apinski@marvell.com>
4830 * tree-ssa-phiopt.c (gimple_simplify_phiopt):
4831 If "A ? B : C" fails to simplify, try "(!A) ? C : B".
4833 2021-07-05 Andrew Pinski <apinski@marvell.com>
4835 * tree-ssa-phiopt.c (match_simplify_replacement):
4836 Add early_p argument. Call gimple_simplify_phiopt
4837 instead of gimple_simplify.
4838 (tree_ssa_phiopt_worker): Update call to
4839 match_simplify_replacement and allow unconditionally.
4840 (phiopt_early_allow): New function.
4841 (gimple_simplify_phiopt): New function.
4843 2021-07-05 Andrew Pinski <apinski@marvell.com>
4845 PR middle-end/101237
4846 * fold-const.c (negate_expr_p): Remove call to element_mode
4847 and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
4848 HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
4849 (fold_negate_expr_1): Likewise.
4850 (const_unop): Likewise.
4851 (fold_cond_expr_with_comparison): Likewise.
4852 (fold_binary_loc): Likewise.
4853 (fold_ternary_loc): Likewise.
4854 (tree_call_nonnegative_warnv_p): Likewise.
4855 * match.pd (-(A + B) -> (-B) - A): Likewise.
4857 2021-07-05 Iain Sandoe <iain@sandoe.co.uk>
4859 * configure.ac: Handle --with-dsymutil in the same way as we
4860 do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
4861 Extract the type and version for the dsymutil configured or
4862 found by the default searches.
4863 * config.in: Regenerated.
4864 * configure: Regenerated.
4865 * collect2.c (do_dsymutil): Handle locating dsymutil in the
4866 same way as for the assembler and linker.
4867 * config/darwin.h (DSYMUTIL): Delete.
4868 * gcc.c: Report a configured dsymutil correctly.
4869 * exec-tool.in: Allow for dsymutil.
4871 2021-07-05 Uroš Bizjak <ubizjak@gmail.com>
4873 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
4874 Handle V4QI and V2HI modes.
4875 (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
4876 Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
4877 (expand_vec_perm_pshufb): Rewrite to use switch statemets.
4878 Handle 4-byte dual operands with TARGET_XOP and single operands
4879 with TARGET_SSSE3. Emit mmx_ppermv32 for TARGET_XOP and
4880 mmx_pshufbv4qi3 for TARGET_SSSE3.
4881 (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
4882 (expand_vec_perm_interleave2): Allow 4-byte vector modes.
4883 (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
4884 (expand_vec_perm_even_odd_1): Handle V4QI mode.
4885 (expand_vec_perm_broadcast_1): Handle V4QI mode.
4886 (ix86_vectorize_vec_perm_const): Handle V4QI mode.
4887 * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
4888 (mmx_pshufbv4qi3): Ditto.
4889 (*mmx_pblendw32): Ditto.
4890 (*mmx_pblendw64): Rename from *mmx_pblendw.
4891 (mmx_punpckhbw_low): New insn_and_split pattern.
4892 (mmx_punpcklbw_low): Ditto.
4894 2021-07-05 Richard Biener <rguenther@suse.de>
4896 * tree-vect-loop-manip.c (vect_loop_versioning): Do not
4897 set LOOP_C_INFINITE on the vectorized loop.
4899 2021-07-05 Richard Biener <rguenther@suse.de>
4901 PR middle-end/101291
4902 * cfgloopmanip.c (loop_version): Set the loop copy of the
4903 versioned loop to the new loop.
4905 2021-07-04 Iain Sandoe <iain@sandoe.co.uk>
4908 * config.gcc: Ensure that Darwin biarch definitions are
4909 added before i386.h.
4910 * config/i386/darwin.h (TARGET_64BIT): Remove.
4911 (PR80556_WORKAROUND): New.
4912 (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
4913 (DARWIN_SUBARCH_SPEC): New.
4914 * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
4915 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
4916 (REAL_LIBGCC_SPEC): Remove.
4917 * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
4918 TARGET_BI_ARCH, PR80556_WORKAROUND): New.
4919 (REAL_LIBGCC_SPEC): Remove.
4921 2021-07-03 H.J. Lu <hjl.tools@gmail.com>
4923 PR middle-end/101294
4924 * expr.c (store_constructor): Don't use vec_duplicate on vector.
4926 2021-07-02 Martin Sebor <msebor@redhat.com>
4930 * diagnostic.c (get_any_inlining_info): New.
4931 (update_effective_level_from_pragmas): Handle inlining context.
4932 (diagnostic_enabled): Same.
4933 (diagnostic_report_diagnostic): Same.
4934 * diagnostic.h (struct diagnostic_info): Add ctor.
4935 (struct diagnostic_context): Add new member.
4936 * tree-diagnostic.c (set_inlining_locations): New.
4937 (tree_diagnostics_defaults): Set new callback pointer.
4939 2021-07-02 Peter Bergner <bergner@linux.ibm.com>
4941 * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
4943 (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
4944 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
4945 lxvp and stxvp built-ins.
4946 (mma_init_builtins): Handle lxvp and stxvp built-ins.
4947 (builtin_function_type): Likewise.
4948 * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
4950 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4952 * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
4953 additional argument for the code.
4954 * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
4955 argument for the code. Just return if the ZN bits are useful or
4956 not rather than the old style CC_* enums.
4957 * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
4958 more generic shiftqi patterns.
4959 (shifthi_noscratch, shiftsi_noscratch): Similarly.
4960 (shiftqi_noscratch_set_flags): New pattern.
4961 (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
4963 2021-07-02 Andrew MacLeod <amacleod@redhat.com>
4965 PR tree-optimization/101223
4966 * range-op.cc (build_lt): Add -1 for signed values.
4967 (built_gt): Subtract -1 for signed values.
4969 2021-07-02 David Faust <david.faust@oracle.com>
4971 * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
4972 (btf_asm_type): Likewise.
4974 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
4976 * config/h8300/h8300-protos.h (output_a_shift): Make first argument
4977 an array of rtx rather than a pointer to rtx. Add code argument.
4978 (compute_a_shift_length): Similarly.
4979 * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
4980 shift itself isn't an operand. Create dummy operand[0] to carry
4981 a mode and pass a suitable rtx code to compute_a_shift_length.
4982 (get_shift_alg): Adjust operand number of clobber in output templates.
4983 (output_a_shift): Make first argument an array of rtx rather than
4984 a pointer to rtx. Add code argument for the type of shift.
4985 Adjust now that the shift itself is no longer an operand.
4986 (compute_a_shift_length): Similarly.
4987 * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
4988 iterator rather than nshift_operator.
4989 (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
4990 (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
4991 and compute_a_shift_length.
4992 (shiftqi_noscratch_clobber_flags): Likewise.
4993 (shifthi_noscratch_clobber_flags): Likewise.
4994 (shiftsi_noscratch_clobber_flags): Likewise.
4996 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
4999 * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
5000 dsymutil for BTF/CTF.
5002 2021-07-02 Iain Sandoe <iain@sandoe.co.uk>
5005 * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
5006 segment to include BTF.
5007 (BTF_INFO_SECTION_NAME): New.
5009 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5011 * config/m32r/m32r-protos.h (call_operand): Adjust return type.
5012 (small_data_operand, memreg_operand, small_insn_p): Likewise.
5013 * config/m32r/m32r.c (call_operand): Adjust return type.
5014 (small_data_operand, memreg_operand): Likewise.
5016 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5018 * config/frv/frv-protos.h (integer_register_operand): Adjust return
5020 (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
5021 (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
5022 (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
5023 (move_source_operand, move_destination_operand): Likewise.
5024 (condexec_source_operand, condexec_dest_operand): Likewise.
5025 (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
5026 (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
5027 (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
5028 (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
5029 (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
5030 (even_fpr_operand, odd_fpr_operand): Likewise.
5031 (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
5032 (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
5033 (uint4_operand, uint1_operand, int_2word_operand): Likewise
5034 (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
5035 (relational_operator, float_relational_operator): Likewise.
5036 (ccr_eqne_operator, minmax_operator): Likewise.
5037 (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
5038 (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
5039 (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
5040 (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
5041 (quad_acc_operand, accg_operand): Likewise.
5043 2021-07-02 Jeff Law <jeffreyalaw@gmail.com>
5045 * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
5046 return type to a bool.
5047 (nonimmediate_nonstack_operand): Likewise.
5048 (xstormy16_splittable_below100_operand): Likewise.
5049 * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
5051 (xstormy16_splittable_below100_operand): Likewise.
5053 2021-07-02 Richard Biener <rguenther@suse.de>
5055 PR tree-optimization/101293
5056 * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
5057 with combined offsets.
5058 (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
5059 combined with the rest of the offset.
5061 2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
5063 * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
5064 PIC encodings for PE-COFF targets.
5066 2021-07-02 Jakub Jelinek <jakub@redhat.com>
5069 * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
5070 Return nullptr for TImode inner mode.
5072 2021-07-02 Richard Biener <rguenther@suse.de>
5074 PR tree-optimization/101280
5075 PR tree-optimization/101173
5076 * gimple-loop-interchange.cc
5077 (tree_loop_interchange::valid_data_dependences): Properly
5078 guard all dependence checks with DDR_REVERSED_P or its
5081 2021-07-02 Hongyu Wang <hongyu.wang@intel.com>
5083 * config/i386/i386-expand.c (ix86_expand_builtin):
5084 Add branch to clear odata when ZF is set for asedecenc_expand
5085 and wideaesdecenc_expand.
5087 2021-07-02 Eugene Rozenfeld <erozen@microsoft.com>
5089 * config/i386/gcc-auto-profile: regenerate
5091 2021-07-02 liuhongt <hongtao.liu@intel.com>
5093 * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
5094 (trunc<mode><pmov_dst_4_lower>2): this.
5096 2021-07-01 David Malcolm <dmalcolm@redhat.com>
5098 * diagnostic.h (diagnostic_context::m_file_cache): New field.
5099 * input.c (class fcache): Rename to...
5100 (class file_cache_slot): ...this, making most members private and
5101 prefixing fields with "m_".
5102 (file_cache_slot::get_file_path): New accessor.
5103 (file_cache_slot::get_use_count): New accessor.
5104 (file_cache_slot::missing_trailing_newline_p): New accessor.
5105 (file_cache_slot::inc_use_count): New.
5106 (fcache_buffer_size): Move to...
5107 (file_cache_slot::buffer_size): ...here.
5108 (fcache_line_record_size): Move to...
5109 (file_cache_slot::line_record_size): ...here.
5110 (fcache_tab): Delete, in favor of global_dc->m_file_cache.
5111 (fcache_tab_size): Move to file_cache::num_file_slots.
5112 (diagnostic_file_cache_init): Update for move of fcache_tab
5113 to global_dc->m_file_cache.
5114 (diagnostic_file_cache_fini): Likewise.
5115 (lookup_file_in_cache_tab): Convert to...
5116 (file_cache::lookup_file): ...this.
5117 (diagnostics_file_cache_forcibly_evict_file): Update for move of
5118 fcache_tab to global_dc->m_file_cache, moving most of
5119 implementation to...
5120 (file_cache::forcibly_evict_file): ...this new function and...
5121 (file_cache_slot::evict): ...this new function.
5122 (evicted_cache_tab_entry): Convert to...
5123 (file_cache::evicted_cache_tab_entry): ...this.
5124 (add_file_to_cache_tab): Convert to...
5125 (file_cache::add_file): ...this, moving bulk of implementation
5127 (file_cache_slot::create): ..this new function.
5128 (file_cache::file_cache): New.
5129 (file_cache::~file_cache): New.
5130 (lookup_or_add_file_to_cache_tab): Convert to...
5131 (file_cache::lookup_or_add_file): ..this new function.
5132 (fcache::fcache): Rename to...
5133 (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
5135 (fcache::~fcache): Rename to...
5136 (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
5138 (needs_read): Convert to...
5139 (file_cache_slot::needs_read_p): ...this.
5140 (needs_grow): Convert to...
5141 (file_cache_slot::needs_grow_p): ...this.
5142 (maybe_grow): Convert to...
5143 (file_cache_slot::maybe_grow): ...this.
5144 (read_data): Convert to...
5145 (file_cache_slot::read_data): ...this.
5146 (maybe_read_data): Convert to...
5147 (file_cache_slot::maybe_read_data): ...this.
5148 (get_next_line): Convert to...
5149 (file_cache_slot::get_next_line): ...this.
5150 (goto_next_line): Convert to...
5151 (file_cache_slot::goto_next_line): ...this.
5152 (read_line_num): Convert to...
5153 (file_cache_slot::read_line_num): ...this.
5154 (location_get_source_line): Update for moving of globals to
5155 global_dc->m_file_cache.
5156 (location_missing_trailing_newline): Likewise.
5157 * input.h (class file_cache_slot): New forward decl.
5158 (class file_cache): New.
5160 2021-07-01 Michael Meissner <meissner@linux.ibm.com>
5162 * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
5163 128-bit floating point conditional move support.
5164 (have_compare_and_set_mask): Add IEEE 128-bit floating point
5166 * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
5167 (mov<mode>cc_p10, IEEE128 iterator): New insn.
5168 (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
5169 (fpmask<mode>, IEEE128 iterator): New insn.
5170 (xxsel<mode>, IEEE128 iterator): New insn.
5172 2021-07-01 Iain Sandoe <iain@sandoe.co.uk>
5175 * config/darwin.h (CTF_INFO_SECTION_NAME): New.
5177 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
5179 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
5181 * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
5183 * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
5184 (vec_duplicate<mode>): New expander.
5186 2021-07-01 H.J. Lu <hjl.tools@gmail.com>
5189 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
5191 (ix86_byte_broadcast): New function.
5192 (ix86_convert_const_wide_int_to_broadcast): Likewise.
5193 (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
5194 size is 16 bytes or bigger.
5195 (ix86_broadcast_from_integer_constant): New function.
5196 (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
5197 to broadcast if mode size is 16 bytes or bigger.
5198 * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
5200 * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
5202 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
5204 * config/i386/predicates.md (ix86_endbr_immediate_operand):
5205 Return true/false instead of 1/0.
5206 (movq_parallel): Ditto.
5208 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
5210 * recog.c (general_operand): Return true/false instead of 1/0.
5211 (register_operand): Ditto.
5212 (immediate_operand): Ditto.
5213 (const_int_operand): Ditto.
5214 (const_scalar_int_operand): Ditto.
5215 (const_double_operand): Ditto.
5216 (push_operand): Ditto.
5217 (pop_operand): Ditto.
5218 (memory_operand): Ditto.
5219 (indirect_operand): Ditto.
5221 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
5223 * genpreds.c (write_predicate_subfunction):
5224 Change the type of written subfunction to bool.
5225 (write_one_predicate_function):
5226 Change the type of written function to bool.
5227 (write_tm_preds_h): Ditto.
5228 * recog.h (*insn_operand_predicate_fn): Change the type to bool.
5229 * recog.c (general_operand): Change the type to bool.
5230 (address_operand): Ditto.
5231 (register_operand): Ditto.
5232 (pmode_register_operand): Ditto.
5233 (scratch_operand): Ditto.
5234 (immediate_operand): Ditto.
5235 (const_int_operand): Ditto.
5236 (const_scalar_int_operand): Ditto.
5237 (const_double_operand): Ditto.
5238 (nonimmediate_operand): Ditto.
5239 (nonmemory_operand): Ditto.
5240 (push_operand): Ditto.
5241 (pop_operand): Ditto.
5242 (memory_operand): Ditto.
5243 (indirect_operand): Ditto.
5244 (ordered_comparison_operator): Ditto.
5245 (comparison_operator): Ditto.
5246 * config/i386/i386-expand.c (ix86_expand_sse_cmp):
5247 Change the type of indirect predicate function to bool.
5248 * config/rs6000/rs6000.c (easy_vector_constant):
5249 Change the type to bool.
5250 * config/mips/mips-protos.h (m16_based_address_p):
5251 Change the type of operand 3 to bool.
5253 2021-07-01 Richard Biener <rguenther@suse.de>
5255 PR tree-optimization/101280
5256 PR tree-optimization/101173
5257 * gimple-loop-interchange.cc
5258 (tree_loop_interchange::valid_data_dependences): Revert
5259 previous change and instead correctly handle DDR_REVERSED_P
5262 2021-07-01 Richard Biener <rguenther@suse.de>
5264 PR tree-optimization/101278
5265 * tree-ssa-dse.c (dse_classify_store): First check for
5266 uses, then ignore stmt for chaining purposes.
5268 2021-07-01 Richard Biener <rguenther@suse.de>
5270 PR tree-optimization/100778
5271 * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
5272 vectorized ops ahead of their scalar BB.
5274 2021-07-01 Uroš Bizjak <ubizjak@gmail.com>
5277 * config/i386/i386.md (*nabs<dwi>2_doubleword):
5278 New insn_and_split pattern.
5279 (*nabs<dwi>2_1): Ditto.
5280 * config/i386/i386-features.c
5281 (general_scalar_chain::compute_convert_gain):
5282 Handle (NEG (ABS (...))) RTX. Rewrite src code
5283 scanner as switch statement.
5284 (general_scalar_chain::convert_insn):
5285 Handle (NEG (ABS (...))) RTX.
5286 (general_scalar_to_vector_candidate_p):
5287 Detect (NEG (ABS (...))) RTX. Reorder case statements
5288 for (AND (NOT (...) ...)) fallthrough.
5290 2021-07-01 Richard Biener <rguenther@suse.de>
5292 PR tree-optimization/101178
5293 * tree-vect-slp.c (slpg_vertex::materialize): Remove.
5294 (slpg::perm_in): Add.
5295 (slpg::get_perm_in): Remove.
5296 (slpg::get_perm_materialized): Add.
5297 (vect_optimize_slp): Handle VEC_PERM nodes more optimally
5298 during permute propagation and materialization.
5300 2021-07-01 Jakub Jelinek <jakub@redhat.com>
5303 * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
5305 2021-07-01 Jakub Jelinek <jakub@redhat.com>
5308 * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
5309 is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
5310 use boolean_type_node instead of integer_type_node as NE_EXPR type.
5311 (lower_reduction_clauses): Likewise.
5313 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
5315 * config/gcn/gcn.c: Include dwarf2.h.
5316 (gcn_addr_space_debug): New function.
5317 (TARGET_ADDR_SPACE_DEBUG): New hook.
5319 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
5321 * common/config/gcn/gcn-common.c
5322 (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
5323 * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
5325 (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
5326 (gcn_frame_pointer_rqd): New function.
5327 (TARGET_FRAME_POINTER_REQUIRED): New hook.
5329 2021-06-30 Hafiz Abid Qadeer <abidh@codesourcery.com>
5331 * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
5332 prologue register saves.
5333 (gcn_debug_unwind_info): Use UI_DWARF2.
5334 (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
5335 (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
5336 * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
5337 (DWARF_LINK_REGISTER): New define.
5338 (FIRST_PSEUDO_REGISTER): Increment.
5339 (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
5340 (CALL_USED_REGISTERS): Likewise.
5341 (REGISTER_NAMES): Likewise.
5343 2021-06-30 Richard Biener <rguenther@suse.de>
5345 PR tree-optimization/101267
5346 * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
5347 API and use SLP compatible interface of vect_is_simple_use.
5348 Reject not vectorized SLP defs for callers that do not support
5350 (vect_check_store_rhs): Handle masked stores and pass down
5351 the appropriate operator index.
5352 (vectorizable_call): Adjust.
5353 (vectorizable_store): Likewise.
5354 (vectorizable_load): Likewise. Handle SLP pecularity of
5356 (vect_is_simple_use): Remove special-casing of masked stores.
5358 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
5360 * common.opt (foffload): Remove help as Driver only.
5361 * gcc.c (display_help): Add -foffload.
5363 2021-06-30 Tobias Burnus <tobias@codesourcery.com>
5365 * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
5366 (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
5367 a candidate list; better inform no offload target is configured
5368 and fix hint extraction when passed target is not '\0' at [len].
5369 * common.opt (foffload): Add tailing '.'.
5370 (foffload-options): Likewise; fix flag name in the help string.
5372 2021-06-30 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
5375 * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
5376 (vcage_f32): Gate comparison on __FAST_MATH__.
5377 (vcageq_f32): Likewise.
5378 (vcale_f32): Likewise.
5379 (vcaleq_f32): Likewise.
5380 (vcagt_f32): Likewise.
5381 (vcagtq_f32): Likewise.
5382 (vcalt_f32): Likewise.
5383 (vcaltq_f32): Likewise.
5384 (vcage_f16): Likewise.
5385 (vcageq_f16): Likewise.
5386 (vcale_f16): Likewise.
5387 (vcaleq_f16): Likewise.
5388 (vcagt_f16): Likewise.
5389 (vcagtq_f16): Likewise.
5390 (vcalt_f16): Likewise.
5391 (vcaltq_f16): Likewise.
5393 2021-06-30 Richard Biener <rguenther@suse.de>
5395 PR tree-optimization/101264
5396 * tree-vect-slp.c (vect_optimize_slp): Propagate the
5397 computed perm_in to all "any" permute successors
5398 we cannot de-duplicate immediately.
5400 2021-06-30 liuhongt <hongtao.liu@intel.com>
5403 * config/i386/sse.md
5404 (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
5406 (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
5408 (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
5409 * config/i386/subst.md (maskz_scalar): New define_subst.
5410 (maskz_scalar_name): New subst_attr.
5411 (maskz_scalar_op5): Ditto.
5412 (round_saeonly_maskz_scalar_op5): Ditto.
5413 (round_saeonly_maskz_scalar_operand5): Ditto.
5415 2021-06-30 David Edelsohn <dje.gcc@gmail.com>
5417 * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
5418 Increase code CSECT alignment to at least 32 bytes.
5419 * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
5420 alignment designation.
5422 2021-06-29 Sergei Trofimovich <siarheit@google.com>
5424 * doc/generic.texi: Fix s/net yet/not yet/ typo.
5426 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
5428 PR tree-optimization/101254
5429 * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
5430 wrapping/non-wrapping when setting the result range.
5432 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
5434 * value-query.cc (gimple_range_global): Allow phis.
5436 2021-06-29 Andrew MacLeod <amacleod@redhat.com>
5438 * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
5439 (simplify_using_ranges::op_with_boolean_value_range_p): Add a
5440 statement for location context.
5441 (check_for_binary_op_overflow): Ditto.
5442 (simplify_using_ranges::get_vr_for_comparison): Ditto.
5443 (simplify_using_ranges::compare_name_with_value): Ditto.
5444 (simplify_using_ranges::compare_names): Ditto.
5445 (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
5446 (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
5447 (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
5448 (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
5449 (simplify_using_ranges::two_valued_val_range_p): Ditto.
5450 (simplify_using_ranges::simplify): Ditto.
5451 * vr-values.h: Adjust prototypes.
5453 2021-06-29 Uroš Bizjak <ubizjak@gmail.com>
5456 * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
5458 2021-06-29 Julian Brown <julian@codesourcery.com>
5460 * config/gcn/gcn.c (gcn_init_libfuncs): New function.
5461 (TARGET_INIT_LIBFUNCS): Define target hook using above function.
5462 * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
5464 (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
5465 (MAX_FIXED_MODE_SIZE): Change to 128.
5467 2021-06-29 Julian Brown <julian@codesourcery.com>
5469 * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
5470 (s_mnemonic): Add clrsb.
5471 (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
5472 (clrsb<mode>2): Add expander for SImode/DImode.
5474 2021-06-29 Julian Brown <julian@codesourcery.com>
5476 * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
5477 muldi3): Add patterns.
5479 2021-06-29 Julian Brown <julian@codesourcery.com>
5481 * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
5482 (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
5484 2021-06-29 Julian Brown <julian@codesourcery.com>
5486 * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
5488 2021-06-29 Joseph Myers <joseph@codesourcery.com>
5490 * btfout.c, ctfout.c: Include "memmodel.h".
5492 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
5494 * gcc.c (check_offload_target_name): Cast len argument to
5495 %q.*s to 'int'; avoid -Wstringop-truncation warning.
5497 2021-06-29 Richard Biener <rguenther@suse.de>
5499 * tree-vect-slp.c (vect_optimize_slp): Forward propagate
5500 to "any" permute nodes and relax "any" permute proapgation
5501 during iterative backward propagation.
5503 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
5506 * common.opt (-foffload=): Update description.
5507 (-foffload-options=): New.
5508 * doc/invoke.texi (C Language Options): Document
5509 -foffload and -foffload-options.
5510 * gcc.c (check_offload_target_name): New, split off from
5511 handle_foffload_option.
5512 (check_foffload_target_names): New.
5513 (handle_foffload_option): Handle -foffload=default.
5514 (driver_handle_option): Update for -foffload-options.
5515 * lto-opts.c (lto_write_options): Use -foffload-options
5516 instead of -foffload.
5517 * lto-wrapper.c (merge_and_complain, append_offload_options):
5519 * opts.c (common_handle_option): Likewise.
5521 2021-06-29 Tobias Burnus <tobias@codesourcery.com>
5523 * doc/invoke.texi (C Language Options): Sort options
5524 alphabetically in optlist and also the description itself.
5525 Remove leftover -fallow-single-precision from and add missing
5526 -fgnu-tm to the optlist.
5528 2021-06-29 Richard Biener <rguenther@suse.de>
5530 * tree-vect-slp.c (slpg_vertex::visited): Remove.
5531 (vect_slp_perms_eq): Handle -1 permutes.
5532 (vect_optimize_slp): Rewrite permute propagation.
5534 2021-06-29 Jakub Jelinek <jakub@redhat.com>
5537 * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
5538 perform the optimization in GENERIC when sanitizing and x has a
5541 2021-06-29 Richard Biener <rguenther@suse.de>
5543 PR tree-optimization/101242
5544 * tree-vect-slp.c (vect_slp_build_vertices): Force-add
5545 PHIs with not represented initial values as leafs.
5547 2021-06-29 Jan-Benedict Glaw <jbglaw@getslash.de>
5549 * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
5550 * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
5552 (pdp11_initial_elimination_offset) Remove unused variable.
5553 (pdp11_cmp_length) Ditto.
5554 (pdp11_insn_cost): Ditto, and fix signedness warning.
5556 2021-06-29 David Edelsohn <dje.gcc@gmail.com>
5558 * btfout.c: Include tm_p.h.
5561 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
5563 * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
5565 (bpf_expand_epilogue): Likewise.
5566 * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
5567 Do not define DBX_DEBUGGING_INFO.
5569 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
5571 * doc/invoke.texi: Document the CTF and BTF debug info options.
5573 2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
5574 David Faust <david.faust@oracle.com>
5575 Jose E. Marchesi <jose.marchesi@oracle.com>
5576 Weimin Pan <weimin.pan@oracle.com>
5578 * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
5579 GTFILES. Add new object files.
5580 * common.opt: Add CTF and BTF debug info options.
5581 * btfout.c: New file.
5584 * ctfout.c: Likewise.
5585 * dwarf2ctf.c: Likewise.
5586 * dwarf2ctf.h: Likewise.
5587 * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
5589 * dwarf2out.c (dwarf2out_source_line): Likewise.
5590 (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
5592 (debug_format_do_cu): New function.
5593 (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
5595 Include dwarf2ctf.c.
5596 * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
5598 * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
5599 (CTF_DEBUG): New bitmask.
5600 (BTF_DEBUG): Likewise.
5601 (enum ctf_debug_info_levels): New enum.
5602 * gengtype.c (open_base_files): Handle ctfc.h.
5603 (main): Handle uint32_t type.
5604 * flags.h (btf_debuginfo_p): New definition.
5605 (dwarf_based_debuginfo_p): Likewise.
5606 * opts.c (debug_type_names): Add entries for CTF and BTF.
5607 (btf_debuginfo_p): New function.
5608 (dwarf_based_debuginfo_p): Likewise.
5609 (common_handle_option): Handle -gctfN and -gbtf options.
5610 (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
5611 * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
5614 2021-06-28 Jose E. Marchesi <jose.marchesi@oracle.com>
5616 * dwarf2out.c (AT_class): Function is no longer static.
5618 (AT_unsigned): Likewise.
5621 (get_AT_string): Likewise.
5622 (get_AT_flag): Likewise.
5623 (get_AT_unsigned): Likewise.
5624 (get_AT_ref): Likewise.
5625 (new_die_raw): Likewise.
5626 (lookup_decl_die): Likewise.
5627 (base_type_die): Likewise.
5628 (add_name_attribute): Likewise.
5629 (add_AT_int): Likewise.
5630 (add_AT_unsigned): Likewise.
5631 (add_AT_loc): Likewise.
5632 (dw_get_die_tag): New function.
5633 (dw_get_die_child): Likewise.
5634 (dw_get_die_sib): Likewise.
5635 (struct dwarf_file_data): Move from here to dwarf2out.h
5636 (struct dw_attr_struct): Likewise.
5637 * dwarf2out.h: Analogous changes.
5639 2021-06-28 Martin Jambor <mjambor@suse.cz>
5642 * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
5643 members m_dead_stmts and m_dead_ssas.
5644 * ipa-param-manipulation.c
5645 (ipa_param_body_adjustments::mark_dead_statements): New function.
5646 (ipa_param_body_adjustments::common_initialization): Call it on
5647 all removed but not split parameters.
5648 (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
5650 (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
5652 * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
5653 dead debug statements.
5654 (copy_phis_for_bb): Do not copy dead PHI nodes.
5656 2021-06-28 Martin Jambor <mjambor@suse.cz>
5659 * symtab-clones.h (clone_info): Removed member param_adjustments.
5660 * ipa-param-manipulation.h: Adjust initial comment to reflect how we
5661 deal with pass-through splits now.
5662 (ipa_param_performed_split): Removed.
5663 (ipa_param_adjustments::modify_call): Adjusted parameters.
5664 (class ipa_param_body_adjustments): Adjusted parameters of
5665 register_replacement, modify_gimple_stmt and modify_call_stmt.
5666 (ipa_verify_edge_has_no_modifications): Declare.
5667 (ipa_edge_modifications_finalize): Declare.
5668 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
5669 performed_splits processing, pas only edge to padjs->modify_call,
5670 check that call arguments were not modified if they should not have
5672 * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
5674 * ipa-param-manipulation.c (struct pass_through_split_map): New type.
5675 (ipa_edge_modification_info): Likewise.
5676 (ipa_edge_modification_sum): Likewise.
5677 (ipa_edge_modifications): New edge summary.
5678 (ipa_verify_edge_has_no_modifications): New function.
5679 (transitive_split_p): Removed.
5680 (transitive_split_map): Likewise.
5681 (init_transitive_splits): Likewise.
5682 (ipa_param_adjustments::modify_call): Adjusted to use the new edge
5683 summary instead of performed_splits.
5684 (ipa_param_body_adjustments::register_replacement): Drop dummy
5685 parameter, set base_index of the created ipa_param_body_replacement.
5686 (phi_arg_will_live_p): New function.
5687 (ipa_param_body_adjustments::common_initialization): Do not create
5688 IPA_SRA dummy decls.
5689 (simple_tree_swap_info): Removed.
5690 (remap_split_decl_to_dummy): Likewise.
5691 (record_argument_state_1): New function.
5692 (record_argument_state): Likewise.
5693 (ipa_param_body_adjustments::modify_call_stmt): New parameter
5694 orig_stmt. Do not work with dummy decls, save necessary info about
5695 changes to ipa_edge_modifications.
5696 (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
5697 orig_stmt, pass it to modify_call_stmt.
5698 (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
5700 (ipa_edge_modifications_finalize): New function.
5701 * tree-inline.c (remap_gimple_stmt): Pass original statement to
5703 (copy_phis_for_bb): Do not copy dead PHI nodes.
5704 (expand_call_inline): Do not remap performed_splits.
5705 (update_clone_info): Likewise.
5706 * toplev.c: Include ipa-param-manipulation.h.
5707 (toplev::finalize): Call ipa_edge_modifications_finalize.
5709 2021-06-28 Andrew Pinski <apinski@marvell.com>
5711 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
5712 info if we're the only things setting the target PHI.
5713 (value_replacement): Don't duplicate range here.
5714 (minmax_replacement): Likewise.
5716 2021-06-28 Richard Biener <rguenther@suse.de>
5718 PR tree-optimization/101229
5719 * gimple-walk.c (gimple_walk_op): Handle PHIs.
5721 2021-06-28 Martin Liska <mliska@suse.cz>
5723 * config/v850/v850.c (construct_dispose_instruction): Allocate
5725 (construct_prepare_instruction): Likewise.
5727 2021-06-28 Martin Liska <mliska@suse.cz>
5729 * config/v850/v850.c (v850_option_override): Build default
5731 (v850_can_inline_p): New. Allow MASK_PROLOG_FUNCTION to be
5732 ignored for inlining.
5733 (TARGET_CAN_INLINE_P): New.
5735 2021-06-28 Richard Biener <rguenther@suse.de>
5737 PR tree-optimization/101207
5738 * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
5739 permute eliding for load permutations properly.
5741 2021-06-28 Richard Biener <rguenther@suse.de>
5743 PR tree-optimization/101173
5744 * gimple-loop-interchange.cc
5745 (tree_loop_interchange::valid_data_dependences): Disallow outer
5746 loop dependence distance of zero.
5748 2021-06-28 liuhongt <hongtao.liu@intel.com>
5751 * config/i386/sse.md (*avx_cmp<mode>3_lt): New
5752 define_insn_and_split.
5753 (*avx_cmp<mode>3_ltint): Ditto.
5754 (*avx2_pcmp<mode>3_3): Ditto.
5755 (*avx2_pcmp<mode>3_4): Ditto.
5756 (*avx2_pcmp<mode>3_5): Ditto.
5758 2021-06-28 liuhongt <hongtao.liu@intel.com>
5760 * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
5761 IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
5762 IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
5763 IX86_BUILTIN_PBLENDVB128): Replace icode with
5765 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
5767 * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
5768 New pre_reload splitter.
5770 2021-06-27 Andrew Pinski <apinski@marvell.com>
5772 PR middle-end/101230
5773 * fold-const.c (fold_ternary_loc): Check
5774 the return value of invert_tree_comparison.
5776 2021-06-27 David Edelsohn <dje.gcc@gmail.com>
5778 * config.gcc: Add SPDX License Identifier.
5779 (powerpc-ibm-aix789): Default to aix73.h.
5780 (powerpc-ibm-aix7.2.*.*): New stanza.
5781 * config/rs6000/aix72.h: Add SPDX License Identifier.
5782 * config/rs6000/aix73.h: New file.
5784 2021-06-26 Jason Merrill <jason@redhat.com>
5786 * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
5788 2021-06-26 Andrew Pinski <apinski@marvell.com>
5790 * genmatch.c (lower_cond): Copy for_subst_vec
5791 for the simplify also.
5792 (lower): Swap the order for lower_for and lower_cond.
5794 2021-06-26 Andrew Pinski <apinski@marvell.com>
5796 * tree-ssa-phiopt.c (match_simplify_replacement): Reset
5797 flow senatitive info on the moved ssa set.
5799 2021-06-26 Andrew Pinski <apinski@marvell.com>
5801 * fold-const.c (fold_cond_expr_with_comparison):
5802 Exand arg0 into comp_code, arg00, and arg01.
5803 (fold_ternary_loc): Use invert_tree_comparison
5804 instead of fold_invert_truthvalue for the case
5805 where we have A CMP B ? C : A.
5807 2021-06-25 Martin Sebor <msebor@redhat.com>
5809 PR middle-end/101216
5810 * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
5812 2021-06-25 Jeff Law <jeffreyalaw@gmail.com>
5814 * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
5816 2021-06-25 Richard Biener <rguenther@suse.de>
5818 PR tree-optimization/101202
5819 * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
5822 2021-06-25 Richard Biener <rguenther@suse.de>
5824 * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
5825 STMT_VINFO_REDUC_DEF from the original representative.
5827 2021-06-25 Martin Sebor <msebor@redhat.com>
5829 * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
5830 gimple_no_warning_p and gimple_set_no_warning with
5831 warning_suppressed_p, and suppress_warning.
5833 (maybe_warn_for_bound): Same.
5834 (warn_for_access): Same.
5835 (check_access): Same.
5836 (expand_builtin_strncmp): Same.
5837 (fold_builtin_varargs): Same.
5838 * calls.c (maybe_warn_nonstring_arg): Same.
5839 (maybe_warn_rdwr_sizes): Same.
5840 * cfgexpand.c (expand_call_stmt): Same.
5841 * cgraphunit.c (check_global_declaration): Same.
5842 * fold-const.c (fold_undefer_overflow_warnings): Same.
5843 (fold_truth_not_expr): Same.
5844 (fold_unary_loc): Same.
5845 (fold_checksum_tree): Same.
5846 * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
5847 (array_bounds_checker::check_mem_ref): Same.
5848 (array_bounds_checker::check_addr_expr): Same.
5849 (array_bounds_checker::check_array_bounds): Same.
5850 * gimple-expr.c (copy_var_decl): Same.
5851 * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
5852 (gimple_fold_builtin_strncat): Same.
5853 (gimple_fold_builtin_stxcpy_chk): Same.
5854 (gimple_fold_builtin_stpcpy): Same.
5855 (gimple_fold_builtin_sprintf): Same.
5856 (fold_stmt_1): Same.
5857 * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
5858 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
5859 * gimple-ssa-sprintf.c (handle_printf_call): Same.
5860 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
5861 * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
5862 * gimple-ssa-warn-restrict.h: Adjust declarations.
5863 (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
5864 gimple_no_warning_p and gimple_set_no_warning with
5865 warning_suppressed_p, and suppress_warning.
5867 (check_bounds_or_overlap): Same.
5868 * gimple.c (gimple_build_call_from_tree): Same.
5869 * gimplify.c (gimplify_return_expr): Same.
5870 (gimplify_cond_expr): Same.
5871 (gimplify_modify_expr_complex_part): Same.
5872 (gimplify_modify_expr): Same.
5873 (gimple_push_cleanup): Same.
5874 (gimplify_expr): Same.
5875 * omp-expand.c (expand_omp_for_generic): Same.
5876 (expand_omp_taskloop_for_outer): Same.
5877 * omp-low.c (lower_rec_input_clauses): Same.
5878 (lower_lastprivate_clauses): Same.
5879 (lower_send_clauses): Same.
5880 (lower_omp_target): Same.
5881 * tree-cfg.c (pass_warn_function_return::execute): Same.
5882 * tree-complex.c (create_one_component_var): Same.
5883 * tree-inline.c (remap_gimple_op_r): Same.
5884 (copy_tree_body_r): Same.
5885 (declare_return_variable): Same.
5886 (expand_call_inline): Same.
5887 * tree-nested.c (lookup_field_for_decl): Same.
5888 * tree-sra.c (create_access_replacement): Same.
5889 (generate_subtree_copies): Same.
5890 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
5891 * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
5892 * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
5893 * tree-ssa-loop-im.c (execute_sm): Same.
5894 * tree-ssa-phiopt.c (cond_store_replacement): Same.
5895 * tree-ssa-strlen.c (maybe_warn_overflow): Same.
5896 (handle_builtin_strcpy): Same.
5897 (maybe_diag_stxncpy_trunc): Same.
5898 (handle_builtin_stxncpy_strncat): Same.
5899 (handle_builtin_strcat): Same.
5900 * tree-ssa-uninit.c (get_no_uninit_warning): Same.
5901 (set_no_uninit_warning): Same.
5902 (uninit_undefined_value_p): Same.
5903 (warn_uninit): Same.
5904 (maybe_warn_operand): Same.
5905 * tree-vrp.c (compare_values_warnv): Same.
5906 * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
5907 (test_for_singularity): Same.
5908 * gimple.h (warning_suppressed_p): New function.
5909 (suppress_warning): Same.
5910 (copy_no_warning): Same.
5911 (gimple_set_block): Call gimple_set_location.
5912 (gimple_set_location): Call copy_warning.
5914 2021-06-25 Martin Sebor <msebor@redhat.com>
5916 * tree.h (warning_suppressed_at, copy_warning,
5917 warning_suppressed_p, suppress_warning): New functions.
5919 2021-06-25 Martin Sebor <msebor@redhat.com>
5921 * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
5922 * gengtype.c (open_base_files): Add diagnostic-spec.h.
5923 * diagnostic-spec.c: New file.
5924 * diagnostic-spec.h: New file.
5925 * tree.h (no_warning, all_warnings, suppress_warning_at): New
5927 * warning-control.cc: New file.
5929 2021-06-25 liuhongt <hongtao.liu@intel.com>
5932 * config/i386/i386.c (x86_order_regs_for_local_alloc):
5935 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5937 PR tree-optimization/101189
5938 * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
5939 LHS range of condition to postfold routine.
5940 (fold_using_range::postfold_gcond_edges): Only process the TRUE or
5941 FALSE edge if the LHS range supports it being taken.
5942 * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
5944 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5946 * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
5947 (relation_oracle::find_relation_block): Check correct bitmap.
5948 (relation_oracle::dump): Do not dump NULL blocks.
5950 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5952 * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
5953 range_on_edge instead of manually calculating.
5955 2021-06-24 Andrew MacLeod <amacleod@redhat.com>
5957 * range-op.cc: Fix comment.
5959 2021-06-24 Uroš Bizjak <ubizjak@gmail.com>
5962 * config/i386/i386-expand.c (ix86_expand_sse_unpack):
5963 Handle V8QI and V4HI modes.
5964 * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
5966 (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
5967 (mmxpackmode): New mode attribute.
5968 (vec_pack_trunc_<mmxpackmode:mode>): New expander.
5969 (mmxunpackmode): New mode attribute.
5970 (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
5971 (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
5972 (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
5973 (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
5974 * config/i386/i386.md (extsuffix): Move from ...
5975 * config/i386/sse.md: ... here.
5977 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
5979 * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
5980 (dwarf2out_finish): ...instead of here.
5982 2021-06-24 Eric Botcazou <ebotcazou@adacore.com>
5984 * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
5985 (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
5986 (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
5987 * configure: Regenerate.
5989 2021-06-24 Richard Biener <rguenther@suse.de>
5991 * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
5992 vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
5993 (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
5995 2021-06-24 Richard Biener <rguenther@suse.de>
5997 * config/i386/sse.md (avx_addsubv4df3): Rename to
5999 (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
6000 (sse3_addsubv2df3): Rename to vec_addsubv2df3.
6001 (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
6002 * config/i386/i386-builtin.def: Adjust.
6003 * internal-fn.def (VEC_ADDSUB): New internal optab fn.
6004 * optabs.def (vec_addsub_optab): New optab.
6005 * tree-vect-slp-patterns.c (class addsub_pattern): New.
6006 (slp_patterns): Add addsub_pattern.
6007 * tree-vect-slp.c (vect_optimize_slp): Disable propagation
6008 across CFN_VEC_ADDSUB.
6009 * tree-vectorizer.h (vect_pattern::vect_pattern): Make
6011 * doc/md.texi (vec_addsub<mode>3): Document.
6013 2021-06-24 Jakub Jelinek <jakub@redhat.com>
6015 PR middle-end/101170
6016 * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
6017 where regno + subreg_regno_offset wraps around use 0 as starting
6020 2021-06-24 Jakub Jelinek <jakub@redhat.com>
6022 PR middle-end/101172
6023 * stor-layout.c (finish_bitfield_representative): If nextf has
6024 error_mark_node type, set repr type to error_mark_node too.
6026 2021-06-24 Ilya Leoshkevich <iii@linux.ibm.com>
6028 * config/s390/s390.c (s390_function_profiler): Ignore labelno
6030 * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
6032 2021-06-24 Richard Biener <rguenther@suse.de>
6034 * tree-vect-slp.c (vect_optimize_slp): Do not propagate
6035 across operations that have different semantics on different
6038 2021-06-24 Jakub Jelinek <jakub@redhat.com>
6040 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
6041 * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
6042 with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
6043 of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
6044 OMP_TARGET user outer_ctx instead of ctx for placeholders and
6045 initializer/combiner gimplification.
6046 * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
6047 on target constructs.
6048 (lower_rec_input_clauses): Likewise.
6049 (lower_omp_target): Likewise.
6050 * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
6051 on target if in_reduction is present.
6053 2021-06-24 Kewen Lin <linkw@linux.ibm.com>
6055 * tree-predcom.c (class pcom_worker): New class.
6056 (release_chain): Renamed to...
6057 (pcom_worker::release_chain): ...this.
6058 (release_chains): Renamed to...
6059 (pcom_worker::release_chains): ...this.
6060 (aff_combination_dr_offset): Renamed to...
6061 (pcom_worker::aff_combination_dr_offset): ...this.
6062 (determine_offset): Renamed to...
6063 (pcom_worker::determine_offset): ...this.
6064 (class comp_ptrs): New class.
6065 (split_data_refs_to_components): Renamed to...
6066 (pcom_worker::split_data_refs_to_components): ...this,
6067 and update with class comp_ptrs.
6068 (suitable_component_p): Renamed to...
6069 (pcom_worker::suitable_component_p): ...this.
6070 (filter_suitable_components): Renamed to...
6071 (pcom_worker::filter_suitable_components): ...this.
6072 (valid_initializer_p): Renamed to...
6073 (pcom_worker::valid_initializer_p): ...this.
6074 (find_looparound_phi): Renamed to...
6075 (pcom_worker::find_looparound_phi): ...this.
6076 (add_looparound_copies): Renamed to...
6077 (pcom_worker::add_looparound_copies): ...this.
6078 (determine_roots_comp): Renamed to...
6079 (pcom_worker::determine_roots_comp): ...this.
6080 (determine_roots): Renamed to...
6081 (pcom_worker::determine_roots): ...this.
6082 (single_nonlooparound_use): Renamed to...
6083 (pcom_worker::single_nonlooparound_use): ...this.
6084 (remove_stmt): Renamed to...
6085 (pcom_worker::remove_stmt): ...this.
6086 (execute_pred_commoning_chain): Renamed to...
6087 (pcom_worker::execute_pred_commoning_chain): ...this.
6088 (execute_pred_commoning): Renamed to...
6089 (pcom_worker::execute_pred_commoning): ...this.
6090 (struct epcc_data): New member worker.
6091 (execute_pred_commoning_cbck): Call execute_pred_commoning
6092 with pcom_worker pointer.
6093 (find_use_stmt): Renamed to...
6094 (pcom_worker::find_use_stmt): ...this.
6095 (find_associative_operation_root): Renamed to...
6096 (pcom_worker::find_associative_operation_root): ...this.
6097 (find_common_use_stmt): Renamed to...
6098 (pcom_worker::find_common_use_stmt): ...this.
6099 (combinable_refs_p): Renamed to...
6100 (pcom_worker::combinable_refs_p): ...this.
6101 (reassociate_to_the_same_stmt): Renamed to...
6102 (pcom_worker::reassociate_to_the_same_stmt): ...this.
6103 (stmt_combining_refs): Renamed to...
6104 (pcom_worker::stmt_combining_refs): ...this.
6105 (combine_chains): Renamed to...
6106 (pcom_worker::combine_chains): ...this.
6107 (try_combine_chains): Renamed to...
6108 (pcom_worker::try_combine_chains): ...this.
6109 (prepare_initializers_chain): Renamed to...
6110 (pcom_worker::prepare_initializers_chain): ...this.
6111 (prepare_initializers): Renamed to...
6112 (pcom_worker::prepare_initializers): ...this.
6113 (prepare_finalizers_chain): Renamed to...
6114 (pcom_worker::prepare_finalizers_chain): ...this.
6115 (prepare_finalizers): Renamed to...
6116 (pcom_worker::prepare_finalizers): ...this.
6117 (tree_predictive_commoning_loop): Renamed to...
6118 (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
6119 some calls and remove some cleanup code.
6120 (tree_predictive_commoning): Adjusted to use pcom_worker instance.
6121 (static variable looparound_phis): Remove.
6122 (static variable name_expansions): Remove.
6124 2021-06-24 Richard Biener <rguenther@suse.de>
6126 * tree-vect-slp.c (slpg_vertex): New struct.
6127 (vect_slp_build_vertices): Adjust.
6128 (vect_optimize_slp): Likewise. Maintain an outgoing permute
6129 and a materialized one.
6131 2021-06-24 Richard Biener <rguenther@suse.de>
6133 PR tree-optimization/101105
6134 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6135 Only ignore steps when they are equal or scalar order is preserved.
6137 2021-06-24 liuhongt <hongtao.liu@intel.com>
6140 * config/i386/i386-expand.c (ix86_expand_vec_interleave):
6141 Adjust comments for ix86_expand_vecop_qihi2.
6142 (ix86_expand_vecmul_qihi): Renamed to ..
6143 (ix86_expand_vecop_qihi2): Adjust function prototype to
6144 support shift operation, add static to definition.
6145 (ix86_expand_vec_shift_qihi_constant): Add static to definition.
6146 (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
6147 ix86_expand_vec_shift_qihi_constant.
6148 * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
6149 (ix86_expand_vec_shift_qihi_constant): Deleted.
6150 * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
6152 (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
6153 condition TARGET_64BIT.
6154 (mul<mode>3): Ditto.
6155 (<insn><mode>3): Ditto.
6156 (vlshr<mode>3): Extend to support avx512 vlshr.
6157 (v<insn><mode>3): New expander for
6159 (v<insn>v8qi3): Ditto.
6160 (vashrv8hi3<mask_name>): Renamed to ..
6161 (vashr<mode>3): And extend to support V16QImode for avx512.
6162 (vashrv16qi3): Deleted.
6163 (vashrv2di3<mask_name>): Extend expander to support avx512
6166 2021-06-23 Dimitar Dimitrov <dimitar@dinux.eu>
6168 * doc/lto.texi (Design Overview): Update that slim objects are
6171 2021-06-23 Aaron Sawdey <acsawdey@linux.ibm.com>
6173 * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
6174 of OTHER_POWER10_MASKS so it will not be enabled by default.
6176 2021-06-23 Richard Biener <rguenther@suse.de>
6177 Martin Jambor <mjambor@suse.cz>
6179 * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
6180 param replacement unconditionally. Adjust comment.
6182 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
6184 * Makefile.in (OBJS): Add gimple-range-fold.o
6185 * gimple-range-fold.cc: New.
6186 * gimple-range-fold.h: New.
6187 * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
6188 (gimple_range_calc_op2): Ditto.
6189 * gimple-range-gori.h: Move prototypes to here.
6190 * gimple-range.cc: Adjust include files.
6191 (fur_source:fur_source): Relocate to gimple-range-fold.cc.
6192 (fur_source::get_operand): Ditto.
6193 (fur_source::get_phi_operand): Ditto.
6194 (fur_source::query_relation): Ditto.
6195 (fur_source::register_relation): Ditto.
6196 (class fur_edge): Ditto.
6197 (fur_edge::fur_edge): Ditto.
6198 (fur_edge::get_operand): Ditto.
6199 (fur_edge::get_phi_operand): Ditto.
6200 (fur_stmt::fur_stmt): Ditto.
6201 (fur_stmt::get_operand): Ditto.
6202 (fur_stmt::get_phi_operand): Ditto.
6203 (fur_stmt::query_relation): Ditto.
6204 (class fur_depend): Relocate to gimple-range-fold.h.
6205 (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
6206 (fur_depend::register_relation): Ditto.
6207 (fur_depend::register_relation): Ditto.
6208 (class fur_list): Ditto.
6209 (fur_list::fur_list): Ditto.
6210 (fur_list::get_operand): Ditto.
6211 (fur_list::get_phi_operand): Ditto.
6212 (fold_range): Ditto.
6213 (adjust_pointer_diff_expr): Ditto.
6214 (gimple_range_adjustment): Ditto.
6215 (gimple_range_base_of_assignment): Ditto.
6216 (gimple_range_operand1): Ditto.
6217 (gimple_range_operand2): Ditto.
6218 (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
6219 (gimple_range_calc_op2): Ditto.
6220 (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
6221 (fold_using_range::range_of_range_op): Ditto.
6222 (fold_using_range::range_of_address): Ditto.
6223 (fold_using_range::range_of_phi): Ditto.
6224 (fold_using_range::range_of_call): Ditto.
6225 (fold_using_range::range_of_builtin_ubsan_call): Ditto.
6226 (fold_using_range::range_of_builtin_call): Ditto.
6227 (fold_using_range::range_of_cond_expr): Ditto.
6228 (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
6229 (fold_using_range::relation_fold_and_or): Ditto.
6230 (fold_using_range::postfold_gcond_edges): Ditto.
6231 * gimple-range.h: Add gimple-range-fold.h to include files. Change
6232 GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
6233 (gimple_range_handler): Relocate to gimple-range-fold.h.
6234 (gimple_range_ssa_p): Ditto.
6235 (range_compatible_p): Ditto.
6236 (class fur_source): Ditto.
6237 (class fur_stmt): Ditto.
6238 (class fold_using_range): Ditto.
6239 (gimple_range_calc_op1): Relocate to gimple-range-gori.h
6240 (gimple_range_calc_op2): Ditto.
6242 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
6244 PR tree-optimization/101148
6245 PR tree-optimization/101014
6246 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
6247 (ranger_cache::~ranger_cache): Adjust.
6248 (ranger_cache::block_range): Check if propagation disallowed.
6249 (ranger_cache::propagate_cache): Disallow propagation if new value
6250 can't be stored properly.
6251 * gimple-range-cache.h (ranger_cache::m_propfail): New member.
6253 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
6255 * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
6256 (sbr_vector::set_bb_range): Return true.
6257 (class sbr_sparse_bitmap): Adjust.
6258 (sbr_sparse_bitmap::set_bb_range): Return value.
6259 (block_range_cache::set_bb_range): Return value.
6260 (ranger_cache::propagate_cache): Use return value to print msg.
6261 * gimple-range-cache.h (class block_range_cache): Adjust.
6263 2021-06-23 Andrew MacLeod <amacleod@redhat.com>
6265 * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
6267 2021-06-23 Jeff Law <jeffreyalaw@gmail.com>
6269 * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
6270 so this pattern can be used for test/compare removal. Pass
6271 current insn to compute_logical_op_length and output_logical_op.
6272 * config/h8300/h8300.c (compute_logical_op_cc): Remove.
6273 (h8300_and_costs): Add argument to compute_logical_op_length.
6274 (output_logical_op): Add new argument. Use it to determine if the
6275 condition codes are used and adjust the output accordingly.
6276 (compute_logical_op_length): Add new argument and update length
6277 computations when condition codes are used.
6278 * config/h8300/h8300-protos.h (compute_logical_op_length): Update
6280 (output_logical_op): Likewise.
6282 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
6285 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
6286 Handle 64bit modes for TARGET_XOP. Use indirect gen_* functions.
6287 * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
6288 * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
6289 * config/i386/sse.md (unspec): ... here.
6291 2021-06-23 Martin Liska <mliska@suse.cz>
6294 * optc-save-gen.awk: Put back arm_fp16_format to
6297 2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
6300 * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
6303 (clz<mode>2): Update RTX pattern for additions.
6305 2021-06-23 Jakub Jelinek <jakub@redhat.com>
6307 PR middle-end/101167
6308 * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
6309 and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
6311 2021-06-22 Sergei Trofimovich <siarheit@google.com>
6313 * doc/rtl.texi: drop unbalanced parenthesis.
6315 2021-06-22 Richard Biener <rguenther@suse.de>
6317 PR middle-end/101156
6318 * gimplify.c (gimplify_expr): Remove premature incorrect
6321 2021-06-22 Jakub Jelinek <jakub@redhat.com>
6323 PR tree-optimization/101159
6324 * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
6327 2021-06-22 Jakub Jelinek <jakub@redhat.com>
6329 PR middle-end/101160
6330 * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
6331 clear crtl->return_rtx instead of keeping it referencing a pseudo.
6333 2021-06-22 Jakub Jelinek <jakub@redhat.com>
6334 Andrew Pinski <apinski@marvell.com>
6336 PR tree-optimization/101162
6337 * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
6340 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6342 * range-op.cc (range_relational_tests): New.
6343 (range_op_tests): Call range_relational_tests.
6345 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6347 * range-op.cc (operator_cast::lhs_op1_relation): New.
6348 (operator_identity::lhs_op1_relation): Mew.
6350 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6352 * range-op.cc (operator_minus::op1_op2_relation_effect): New.
6354 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6356 * range-op.cc (operator_plus::lhs_op1_relation): New.
6357 (operator_plus::lhs_op2_relation): New.
6359 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6361 * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
6362 relation_oracle if dominators exist.
6363 (ranger_cache::~ranger_cache): Dispose of oracle.
6364 (ranger_cache::dump_bb): Dump oracle.
6365 * gimple-range.cc (fur_source::fur_source): New.
6366 (fur_source::get_operand): Use mmeber query.
6367 (fur_source::get_phi_operand): Use member_query.
6368 (fur_source::query_relation): New.
6369 (fur_source::register_dependency): Delete.
6370 (fur_source::register_relation): New.
6371 (fur_edge::fur_edge): Adjust.
6372 (fur_edge::get_phi_operand): Fix comment.
6373 (fur_edge::query): Delete.
6374 (fur_stmt::fur_stmt): Adjust.
6375 (fur_stmt::query): Delete.
6376 (fur_depend::fur_depend): Adjust.
6377 (fur_depend::register_relation): New.
6378 (fur_depend::register_relation): New.
6379 (fur_list::fur_list): Adjust.
6380 (fur_list::get_operand): Use member query.
6381 (fold_using_range::range_of_range_op): Process and query relations.
6382 (fold_using_range::range_of_address): Adjust dependency call.
6383 (fold_using_range::range_of_phi): Ditto.
6384 (gimple_ranger::gimple_ranger): New. Use ranger_ache oracle.
6385 (fold_using_range::relation_fold_and_or): New.
6386 (fold_using_range::postfold_gcond_edges): New.
6387 * gimple-range.h (class gimple_ranger): Adjust.
6388 (class fur_source): Adjust members.
6389 (class fur_stmt): Ditto.
6390 (class fold_using_range): Ditto.
6392 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6394 * range-op.cc (range_operator::wi_fold): Apply relation effect.
6395 (range_operator::fold_range): Adjust and apply relation effect.
6396 (*::fold_range): Add relation parameters.
6397 (*::op1_range): Ditto.
6398 (*::op2_range): Ditto.
6399 (range_operator::lhs_op1_relation): New.
6400 (range_operator::lhs_op2_relation): New.
6401 (range_operator::op1_op2_relation): New.
6402 (range_operator::op1_op2_relation_effect): New.
6403 (relop_early_resolve): New.
6404 (operator_equal::op1_op2_relation): New.
6405 (operator_equal::fold_range): Call relop_early_resolve.
6406 (operator_not_equal::op1_op2_relation): New.
6407 (operator_not_equal::fold_range): Call relop_early_resolve.
6408 (operator_lt::op1_op2_relation): New.
6409 (operator_lt::fold_range): Call relop_early_resolve.
6410 (operator_le::op1_op2_relation): New.
6411 (operator_le::fold_range): Call relop_early_resolve.
6412 (operator_gt::op1_op2_relation): New.
6413 (operator_gt::fold_range): Call relop_early_resolve.
6414 (operator_ge::op1_op2_relation): New.
6415 (operator_ge::fold_range): Call relop_early_resolve.
6416 * range-op.h (class range_operator): Adjust parameters and methods.
6418 2021-06-22 Andrew MacLeod <amacleod@redhat.com>
6420 * Makefile.in (OBJS): Add value-relation.o.
6421 * gimple-range.h: Adjust include files.
6422 * tree-data-ref.c: Adjust include file order.
6423 * value-query.cc (range_query::get_value_range): Default to no oracle.
6424 (range_query::query_relation): New.
6425 (range_query::query_relation): New.
6426 * value-query.h (class range_query): Adjust.
6427 * value-relation.cc: New.
6428 * value-relation.h: New.
6430 2021-06-22 Richard Biener <rguenther@suse.de>
6432 PR tree-optimization/101151
6433 * tree-ssa-sink.c (statement_sink_location): Expand irreducible
6436 2021-06-22 Jojo R <rjiejie@linux.alibaba.com>
6438 * config/riscv/riscv.c (thead_c906_tune_info): New.
6439 (riscv_tune_info_table): Use new tune.
6441 2021-06-22 Richard Biener <rguenther@suse.de>
6443 PR tree-optimization/101158
6444 * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
6445 checking after checking for matching operation.
6447 2021-06-22 Richard Biener <rguenther@suse.de>
6449 PR tree-optimization/101159
6450 * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
6451 missing NULL vectype check.
6453 2021-06-22 Richard Biener <rguenther@suse.de>
6455 PR tree-optimization/101154
6456 * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
6458 2021-06-22 Jakub Jelinek <jakub@redhat.com>
6461 * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
6462 * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
6463 * config/i386/i386.c (ix86_expand_prologue): Clear it.
6464 * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
6465 Remove "" from match_operand. Emit new insns using emit_move_insn and
6466 set ix86_last_zero_store_uid to INSN_UID of the last store.
6467 Add peephole2s for 1/2/4 stores of const0_rtx following previous
6470 2021-06-22 Martin Liska <mliska@suse.cz>
6472 * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
6475 2021-06-22 Martin Liska <mliska@suse.cz>
6477 * gcov-io.h: Remove padding entries.
6479 2021-06-22 liuhongt <hongtao.liu@intel.com>
6481 PR tree-optimization/97770
6482 * tree-vect-patterns.c (vect_recog_popcount_pattern):
6484 (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
6486 2021-06-22 liuhongt <hongtao.liu@intel.com>
6489 * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
6490 * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
6491 (expand<mode>_mask): this ..
6492 (*expand<mode>_mask): New pre_reload splitter to transform
6493 v{,p}expand* to vmov* when mask is zero, all ones, or has all
6494 ones in it's lower part, otherwise still generate
6497 2021-06-22 liuhongt <hongtao.liu@intel.com>
6500 * config/i386/i386-expand.c
6501 (ix86_expand_special_args_builtin): Keep constm1_operand only
6502 if it satisfies insn's operand predicate.
6504 2021-06-21 Jason Merrill <jason@redhat.com>
6507 * df-scan.c (df_ref_record): Check that regno < endregno.
6508 * function.c (assign_parms, expand_function_end): Do nothing with a
6509 TYPE_EMPTY_P result.
6511 2021-06-21 Richard Biener <rguenther@suse.de>
6513 PR tree-optimization/101120
6514 * tree-vect-data-refs.c (bump_vector_ptr): Fold the
6516 * tree-vect-slp.c (vect_transform_slp_perm_load): Add
6517 DR chain DCE capability.
6518 * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
6519 * tree-vect-stmts.c (vectorizable_load): Remove unused
6520 loads in the DR chain for SLP.
6522 2021-06-21 Jakub Jelinek <jakub@redhat.com>
6524 PR inline-asm/100785
6525 * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
6526 output or input operands were already error_mark_node.
6527 * cfgexpand.c (expand_asm_stmt): If errors are emitted,
6528 remove all inputs, outputs and clobbers from the asm and
6531 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6533 * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
6534 (vceq_s16): Likewise.
6535 (vceq_s32): Likewise.
6536 (vceq_u8): Likewise.
6537 (vceq_u16): Likewise.
6538 (vceq_u32): Likewise.
6539 (vceq_p8): Likewise.
6540 (vceqq_s8): Likewise.
6541 (vceqq_s16): Likewise.
6542 (vceqq_s32): Likewise.
6543 (vceqq_u8): Likewise.
6544 (vceqq_u16): Likewise.
6545 (vceqq_u32): Likewise.
6546 (vceqq_p8): Likewise.
6547 (vceq_f32): Gate __a == __b on __FAST_MATH__.
6548 (vceqq_f32): Likewise.
6549 (vceq_f16): Likewise.
6550 (vceqq_f16): Likewise.
6552 2021-06-21 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
6555 * config/arm/iterators.md (NEON_VACMP): Remove.
6556 * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
6558 (neon_vca<cmp_op><mode>_insn): Likewise.
6559 (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
6562 2021-06-21 Richard Biener <rguenther@suse.de>
6564 PR tree-optimization/101121
6565 * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
6566 when we just lack a stmt with the desired op when doing permutation.
6567 (vect_build_slp_tree): When caching a failed SLP build attempt
6568 assert that at least one lane is marked as not matching.
6570 2021-06-21 liuhongt <hongtao.liu@intel.com>
6573 * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
6574 register alternative.
6575 (*and<mode>_1): Ditto.
6577 (*andn<mode>_1): Ditto.
6578 (*<code><mode>_1): Ditto.
6579 (*<code>qi_1): Ditto.
6580 (*one_cmpl<mode>2_1): Ditto.
6581 (*one_cmplsi2_1_zext): Ditto.
6582 (*one_cmplqi2_1): Ditto.
6583 * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
6584 the order of mask registers to be before general registers.
6586 2021-06-21 Roger Sayle <roger@nextmovesoftware.com>
6589 * config/i386/i386.md: New define_peephole2s to shrink writing
6590 1, 2 or 4 consecutive zeros to memory when optimizing for size.
6592 2021-06-18 Jeff Law <jeffreyalaw@gmail.com>
6594 * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
6595 * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
6596 more efficient code when the source can be trivially simplified.
6598 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
6600 * gimple-range-cache.cc (ranger_cache::range_of_def): Calculate
6601 a range if global is not available.
6602 (ranger_cache::entry_range): Fallback to range_of_def.
6603 * gimple-range-cache.h (range_of_def): Adjust prototype.
6605 2021-06-18 Andrew MacLeod <amacleod@redhat.com>
6607 PR tree-optimization/101014
6608 * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
6610 (ranger_cache::~ranger_cache): Ditto.
6611 (ranger_cache::enable_new_values): Delete.
6612 (ranger_cache::push_poor_value): Delete.
6613 (ranger_cache::range_of_def): Remove poor value processing.
6614 (ranger_cache::entry_range): Ditto.
6615 (ranger_cache::fill_block_cache): Ditto.
6616 * gimple-range-cache.h (class ranger_cache): Remove poor value members.
6617 * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
6618 * gimple-range.h (class gimple_ranger): Adjust.
6620 2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
6623 * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
6624 derived from arm_canon_arch.
6625 (arm_canon_arch_option): Call it.
6626 (arm_canon_arch_multilib_option): New function.
6627 * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
6628 * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
6629 (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
6630 (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
6631 (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
6632 * config/arm/arm.opt (mlibarch): New option.
6633 * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
6634 of march on RHS with mlibarch.
6636 2021-06-18 Marcel Vollweiler <marcel@codesourcery.com>
6638 * config.in: Regenerate.
6639 * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
6641 * configure: Regenerate.
6642 * configure.ac: Fix for global_load assembler functions.
6644 2021-06-18 Richard Biener <rguenther@suse.de>
6646 PR tree-optimization/101112
6647 * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
6648 to lookup a pattern stmt def.
6650 2021-06-18 Jakub Jelinek <jakub@redhat.com>
6652 PR middle-end/101062
6653 * stor-layout.c (finish_bitfield_layout): Don't add bitfield
6654 representatives in QUAL_UNION_TYPE.
6656 2021-06-18 Andrew Pinski <apinski@marvell.com>
6658 * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
6659 Add counting of how many times it is done.
6660 (factor_out_conditional_conversion): Likewise.
6661 (match_simplify_replacement): Likewise.
6662 (value_replacement): Likewise.
6663 (spaceship_replacement): Likewise.
6664 (cond_store_replacement): Likewise.
6665 (cond_if_else_store_replacement_1): Likewise.
6666 (hoist_adjacent_loads): Likewise.
6668 2021-06-18 Andrew Pinski <apinski@marvell.com>
6670 * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
6671 types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
6672 (verify_gimple_assign_binary): Reject point and offset types on
6673 MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
6674 FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
6675 FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
6677 2021-06-18 Michael Meissner <meissner@linux.ibm.com>
6679 * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
6680 3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
6681 * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
6684 2021-06-17 Aaron Sawdey <acsawdey@linux.ibm.com>
6686 * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
6687 earlyclobber to alts 0/1.
6688 (gen_addadd): Add earlyclobber to alts 0/1.
6689 * config/rs6000/fusion.md: Regenerate file.
6691 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6693 * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
6695 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
6697 * gimple-range-cache.cc: Comment cleanups.
6698 * gimple-range-gori.cc: Comment cleanups.
6699 * gimple-range.cc: Comment/spacing cleanups
6700 * value-range.h: Comment cleanups.
6702 2021-06-17 H.J. Lu <hjl.tools@gmail.com>
6705 * calls.c (expand_call): Replace PUSH_ARGS with
6706 targetm.calls.push_argument (0).
6707 (emit_library_call_value_1): Likewise.
6708 * defaults.h (PUSH_ARGS): Removed.
6709 (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
6710 targetm.calls.push_argument (0).
6711 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
6712 (emit_push_insn): Pass the number bytes to push to
6713 targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
6714 * hooks.c (hook_bool_uint_true): New.
6715 * hooks.h (hook_bool_uint_true): Likewise.
6716 * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
6717 targetm.calls.push_argument (0).
6718 * target.def (push_argument): Add a targetm.calls hook.
6719 * targhooks.c (default_push_argument): New.
6720 * targhooks.h (default_push_argument): Likewise.
6721 * config/bpf/bpf.h (PUSH_ARGS): Removed.
6722 * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
6723 * config/cr16/cr16.h (PUSH_ARGS): Removed.
6724 * config/i386/i386.c (ix86_push_argument): New.
6725 (TARGET_PUSH_ARGUMENT): Likewise.
6726 * config/i386/i386.h (PUSH_ARGS): Removed.
6727 * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
6728 * config/m32c/m32c.h (PUSH_ARGS): Removed.
6729 * config/nios2/nios2.h (PUSH_ARGS): Likewise.
6730 * config/pru/pru.h (PUSH_ARGS): Likewise.
6731 * doc/tm.texi.in: Remove PUSH_ARGS documentation. Add
6732 TARGET_PUSH_ARGUMENT hook.
6733 * doc/tm.texi: Regenerated.
6735 2021-06-17 Uroš Bizjak <ubizjak@gmail.com>
6738 * config/i386/i386-expand.c (expand_vector_set_var):
6739 Handle V2FS mode remapping. Pass TARGET_MMX_WITH_SSE to
6740 ix86_expand_vector_init_duplicate.
6741 (ix86_expand_vector_init_duplicate): Emit insv_1 for
6742 QImode for !TARGET_PARTIAL_REG_STALL.
6743 * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
6744 * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
6745 as operand 2 predicate. Call ix86_expand_vector_set_var
6746 for non-constant index operand.
6747 (vec_setv2si): Ditto.
6748 (vec_setv4hi): Ditto.
6749 (vec_setv8qi): ditto.
6751 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
6753 PR tree-optimization/100790
6754 * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
6757 2021-06-17 Martin Liska <mliska@suse.cz>
6759 * doc/invoke.texi: Use consistently -O1 instead of -O.
6761 2021-06-17 Martin Liska <mliska@suse.cz>
6763 * gcov-io.h: Update documentation entry about string format.
6765 2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
6768 * config/s390/vecintrin.h (vec_doublee): Fix to use
6769 __builtin_s390_vflls.
6770 (vec_floate): Fix to use __builtin_s390_vflrd.
6772 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6774 * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
6775 * dominance.h (get_dominated_to_depth): Likewise.
6776 (get_all_dominated_blocks): Likewise.
6777 * cfgcleanup.c (delete_unreachable_blocks): Adjust.
6778 * gcse.c (hoist_code): Likewise.
6779 * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
6780 * tree-parloops.c (oacc_entry_exit_ok): Likewise.
6781 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
6782 * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
6784 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6786 * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
6787 * dominance.h (get_dominated_by_region): Likewise.
6788 * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
6789 (gimple_duplicate_sese_tail): Likewise.
6790 (move_sese_region_to_fn): Likewise.
6792 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6794 * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
6795 * dominance.h (get_dominated_by): Likewise.
6796 * auto-profile.c (afdo_find_equiv_class): Adjust.
6797 * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
6798 * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
6799 * tree-cfg.c (test_linear_chain): Likewise.
6800 (test_diamond): Likewise.
6802 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6804 * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
6805 * cfgloopanal.c (get_loop_hot_path): Likewise.
6806 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
6808 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6810 * cgraph.c (cgraph_node::collect_callers): Return
6811 auto_vec<cgraph_edge *>.
6812 * cgraph.h (cgraph_node::collect_callers): Likewise.
6813 * ipa-cp.c (create_specialized_node): Adjust.
6814 (decide_about_value): Likewise.
6815 (decide_whether_version_node): Likewise.
6816 * ipa-sra.c (process_isra_node_results): Likewise.
6818 2021-06-17 Trevor Saunders <tbsaunde@tbsaunde.org>
6820 * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
6821 (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
6823 (auto_vec<T, 0>::operator=): Define move assignment and delete copy
6826 2021-06-17 Aldy Hernandez <aldyh@redhat.com>
6828 * gimple-range.cc (debug_seed_ranger): New.
6830 (debug_ranger): New.
6832 2021-06-17 Richard Biener <rguenther@suse.de>
6834 PR tree-optimization/54400
6835 * tree-vectorizer.h (enum slp_instance_kind): Add
6836 slp_inst_kind_bb_reduc.
6837 (reduction_fn_for_scalar_code): Declare.
6838 * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
6839 Check SLP_INSTANCE_KIND instead of looking at the
6841 (vect_slp_analyze_instance_alignment): Likewise.
6842 * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
6843 * tree-vect-slp.c (vect_slp_linearize_chain): Split out
6844 chain linearization from vect_build_slp_tree_2 and generalize
6845 for the use of BB reduction vectorization.
6846 (vect_build_slp_tree_2): Adjust accordingly.
6847 (vect_optimize_slp): Elide permutes at the root of BB reduction
6849 (vectorizable_bb_reduc_epilogue): New function.
6850 (vect_slp_prune_covered_roots): Likewise.
6851 (vect_slp_analyze_operations): Use them.
6852 (vect_slp_check_for_constructors): Recognize associatable
6853 chains for BB reduction vectorization.
6854 (vectorize_slp_instance_root_stmt): Generate code for the
6855 BB reduction epilogue.
6857 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
6859 * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
6861 (gori_compute::may_recompute_p): New.
6862 (gori_compute::outgoing_edge_range_p): Perform recomputations.
6863 * gimple-range-gori.h (class gori_compute): Add prototype.
6865 2021-06-17 Andrew MacLeod <amacleod@redhat.com>
6867 * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
6868 true when a range can be calculated.
6869 * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
6871 2021-06-16 Martin Sebor <msebor@redhat.com>
6873 * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
6874 Correct documented defaults.
6876 2021-06-16 Andrew MacLeod <amacleod@redhat.com>
6878 * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
6879 m_new_value_p directly.
6881 2021-06-16 Uroš Bizjak <ubizjak@gmail.com>
6884 * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
6885 Handle 64bit modes for TARGET_SSE4_1.
6886 (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
6887 (expand_vec_perm_even_odd_pack): Handle V4HI mode.
6888 (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
6889 expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
6890 expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
6891 * config/i386/mmx.md (mmx_packusdw): New insn pattern.
6893 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6895 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
6896 Change to an expander that emits the correct instruction
6897 depending on endianness.
6898 (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
6899 (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
6901 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6903 * config/aarch64/aarch64-simd-builtins.def: Split generator
6904 for aarch64_<su>qmovn builtins into scalar and vector
6906 * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
6908 (aarch64_<su>qmovn<mode>_insn_be): Define.
6909 (aarch64_<su>qmovn<mode>): Split into scalar and vector
6910 variants. Change vector variant to an expander that emits the
6911 correct instruction depending on endianness.
6913 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6915 * config/aarch64/aarch64-simd-builtins.def: Split generator
6916 for aarch64_sqmovun builtins into scalar and vector variants.
6917 * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
6918 Split into scalar and vector variants. Change vector variant
6919 to an expander that emits the correct instruction depending
6921 (aarch64_sqmovun<mode>_insn_le): Define.
6922 (aarch64_sqmovun<mode>_insn_be): Define.
6924 2021-06-16 Jonathan Wright <jonathan.wright@arm.com>
6926 * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
6927 Define - modeling zero-high-half semantics.
6928 (aarch64_xtn<mode>): Change to an expander that emits the
6929 appropriate instruction depending on endianness.
6930 (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
6932 (aarch64_xtn2<mode>_le): Rename to...
6933 (aarch64_xtn2<mode>_insn_le): This.
6934 (aarch64_xtn2<mode>_be): Rename to...
6935 (aarch64_xtn2<mode>_insn_be): This.
6936 (vec_pack_trunc_<mode>): Emit truncation instruction instead
6938 * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
6941 2021-06-16 Martin Jambor <mjambor@suse.cz>
6943 PR tree-optimization/100453
6944 * tree-sra.c (create_access): Disqualify any const candidates
6945 which are written to.
6946 (sra_modify_expr): Do not store sub-replacements back to a const base.
6947 (handle_unscalarized_data_in_subtree): Likewise.
6948 (sra_modify_assign): Likewise. Earlier, use TREE_READONLy test
6949 instead of constant_decl_p.
6951 2021-06-16 Jakub Jelinek <jakub@redhat.com>
6953 PR middle-end/101062
6954 * stor-layout.c (finish_bitfield_representative): For fields in unions
6955 assume nextf is always NULL.
6956 (finish_bitfield_layout): Compute bit field representatives also in
6957 unions, but handle it as if each bitfield was the only field in the
6960 2021-06-16 Richard Biener <rguenther@suse.de>
6962 PR tree-optimization/101088
6963 * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
6964 supported refs on edges. Do not assert same ref but
6965 different kind stores are unsuported but mark them so.
6966 (hoist_memory_references): Only look for supported refs
6969 2021-06-16 Roger Sayle <roger@nextmovesoftware.com>
6971 PR rtl-optimization/46235
6972 * config/i386/i386.md: New define_split for bt followed by cmov.
6973 (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
6974 (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
6975 (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
6976 by setnc with zero extension.
6978 2021-06-16 Richard Biener <rguenther@suse.de>
6980 PR tree-optimization/101083
6981 * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
6982 vectype as argument.
6983 (vect_build_slp_tree_2): Adjust.
6985 2021-06-15 Martin Sebor <msebor@redhat.com>
6987 PR middle-end/100876
6988 * builtins.c: (gimple_call_return_array): Account for size_t
6989 mangling as either unsigned int or unsigned long
6991 2021-06-15 Jeff Law <jeffreyalaw@gmail.com>
6993 * compare-elim.c (try_eliminate_compare): Run DCE to clean things
6994 up before eliminating comparisons.
6996 2021-06-15 Aldy Hernandez <aldyh@redhat.com>
6998 * range-op.cc (operator_bitwise_or::wi_fold): Make sure
6999 nonzero|X is nonzero.
7000 (range_op_bitwise_and_tests): Add tests for above.
7002 2021-06-15 Carl Love <cel@us.ibm.com>
7005 * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
7007 (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
7010 2021-06-15 Tobias Burnus <tobias@codesourcery.com>
7013 * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
7014 (struct gimplify_omp_ctx): Extend defaultmap array by one.
7015 (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
7016 (omp_notice_variable): Update type classification for Fortran.
7017 (gimplify_scan_omp_clauses): Update calls for new argument; handle
7018 GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
7019 * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
7020 * langhooks.c (lhd_omp_scalar_p): Likewise.
7021 (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
7022 (LANG_HOOKS_DECLS): Add them.
7023 * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
7024 omp_scalar_p pointer type to include the new bool argument.
7026 2021-06-15 David Malcolm <dmalcolm@redhat.com>
7029 (Special Functions for Debugging the Analyzer): Add
7030 __analyzer_dump_capacity.
7032 2021-06-15 Jakub Jelinek <jakub@redhat.com>
7035 * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
7036 case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
7038 2021-06-15 Richard Biener <rguenther@suse.de>
7040 * cfgloopanal.c (mark_irreducible_loops): Use a dominance
7041 check to identify loop latches.
7042 * cfgloop.c (verify_loop_structure): Likewise.
7043 * loop-init.c (apply_loop_flags): Allow marked irreducible
7044 regions even with multiple latches.
7045 * predict.c (rebuild_frequencies): Simplify.
7047 2021-06-15 Richard Biener <rguenther@suse.de>
7049 * tree-ssa-threadupdate.c
7050 (jump_thread_path_registry::mark_threaded_blocks): Assert we
7051 have marked irreducible regions.
7053 2021-06-14 Martin Sebor <msebor@redhat.com>
7056 * builtins.c (gimple_call_return_array): Check for attribute fn spec.
7057 Handle calls to placement new.
7058 (ndecl_dealloc_argno): Avoid placement delete.
7060 2021-06-14 Peter Bergner <bergner@linux.ibm.com>
7063 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
7064 create_tmp_reg_or_ssa_name().
7066 2021-06-14 Andrew MacLeod <amacleod@redhat.com>
7068 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
7069 (ranger_cache::enable_new_values): Set to specified value and
7070 return the old value.
7071 (ranger_cache::disable_new_values): Delete.
7072 (ranger_cache::fill_block_cache): Disable non 1st order derived
7074 * gimple-range-cache.h (ranger_cache): Adjust prototypes.
7075 * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
7077 2021-06-14 Uroš Bizjak <ubizjak@gmail.com>
7080 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
7081 Return true early when testing with V2HImode.
7082 * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
7084 2021-06-14 Christophe Lyon <christophe.lyon@linaro.org>
7086 * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
7087 (mve_vec_unpack<US>_hi_<mode>): New pattern.
7088 (@mve_vec_pack_trunc_lo_<mode>): New pattern.
7089 (mve_vmovntq_<supf><mode>): Prefix with '@'.
7090 * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
7092 (vec_unpack<US>_lo_<mode>): Likewise.
7093 (vec_pack_trunc_<mode>): Rename to
7094 neon_quad_vec_pack_trunc_<mode>.
7095 * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
7097 (vec_unpack<US>_lo_<mode>): New.
7098 (vec_pack_trunc_<mode>): New.
7100 2021-06-14 Richard Biener <rguenther@suse.de>
7102 PR tree-optimization/100934
7103 * tree-ssa-dom.c (pass_dominator::execute): Properly
7104 mark irreducible regions.
7106 2021-06-14 Martin Liska <mliska@suse.cz>
7108 * doc/invoke.texi: Put r{...} on the same line as @item.
7110 2021-06-14 Martin Liska <mliska@suse.cz>
7112 * doc/invoke.texi: Add missing newline.
7114 2021-06-14 Martin Liska <mliska@suse.cz>
7116 * doc/invoke.texi: Remove '+' charasters.
7118 2021-06-14 Claudiu Zissulescu <claziss@synopsys.com>
7120 * config.gcc (arc): Add support for with_cpu option.
7121 * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
7123 2021-06-14 Richard Biener <rguenther@suse.de>
7125 PR tree-optimization/101031
7126 * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
7127 instead of size when accounting for a possibly string
7130 2021-06-14 Martin Liska <mliska@suse.cz>
7132 * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
7134 2021-06-14 Aldy Hernandez <aldyh@redhat.com>
7136 * value-query.cc (gimple_range_global): Call get_range_global
7137 if called after inlining.
7139 2021-06-13 Uroš Bizjak <ubizjak@gmail.com>
7142 * config/i386/i386-expand.c (expand_vec_perm_pshufb):
7143 Emit constant permutation insn directly from here.
7145 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
7147 * attribs.c (find_attribute_namespace): Iterate over vec<> with
7149 * auto-profile.c (afdo_find_equiv_class): Likewise.
7150 * gcc.c (do_specs_vec): Likewise.
7151 (do_spec_1): Likewise.
7152 (driver::set_up_specs): Likewise.
7153 * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
7154 * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
7155 (imm_store_chain_info::try_coalesce_bswap): Likewise.
7156 (imm_store_chain_info::coalesce_immediate_stores): Likewise.
7157 (get_location_for_stmts): Likewise.
7158 * graphite-poly.c (print_iteration_domains): Likewise.
7159 (free_poly_bb): Likewise.
7160 (remove_gbbs_in_scop): Likewise.
7161 (free_scop): Likewise.
7162 (dump_gbb_cases): Likewise.
7163 (dump_gbb_conditions): Likewise.
7164 (print_pdrs): Likewise.
7165 (print_scop): Likewise.
7166 * ifcvt.c (cond_move_process_if_block): Likewise.
7167 * lower-subreg.c (decompose_multiword_subregs): Likewise.
7168 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
7169 * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
7170 * sel-sched-dump.c (dump_insn_vector): Likewise.
7171 * store-motion.c (store_ops_ok): Likewise.
7172 (store_killed_in_insn): Likewise.
7173 * timevar.c (timer::named_items::print): Likewise.
7174 * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
7175 (cleanup_tree_cfg_noloop): Likewise.
7176 * tree-data-ref.c (dump_data_references): Likewise.
7177 (print_dir_vectors): Likewise.
7178 (print_dist_vectors): Likewise.
7179 (dump_data_dependence_relations): Likewise.
7180 (dump_dist_dir_vectors): Likewise.
7181 (dump_ddrs): Likewise.
7182 (create_runtime_alias_checks): Likewise.
7183 (free_subscripts): Likewise.
7184 (save_dist_v): Likewise.
7185 (save_dir_v): Likewise.
7186 (invariant_access_functions): Likewise.
7187 (same_access_functions): Likewise.
7188 (access_functions_are_affine_or_constant_p): Likewise.
7189 (find_data_references_in_stmt): Likewise.
7190 (graphite_find_data_references_in_stmt): Likewise.
7191 (free_dependence_relations): Likewise.
7192 (free_data_refs): Likewise.
7193 * tree-inline.c (copy_debug_stmts): Likewise.
7194 * tree-into-ssa.c (dump_currdefs): Likewise.
7195 (rewrite_update_phi_arguments): Likewise.
7196 * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
7197 * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
7199 (vect_slp_analyze_node_dependences): Likewise.
7200 (vect_slp_analyze_instance_dependence): Likewise.
7201 (vect_record_base_alignments): Likewise.
7202 (vect_get_peeling_costs_all_drs): Likewise.
7203 (vect_peeling_supportable): Likewise.
7204 * tree-vectorizer.c (vec_info::~vec_info): Likewise.
7205 (vec_info::free_stmt_vec_infos): Likewise.
7207 2021-06-13 Jeff Law <jeffreyalaw@gmail.com>
7209 * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
7210 (andqi3_1<cczn>): Removed.
7211 (<ors>qi3_1): Do not split for IOR/XOR a single bit.
7212 (H8/SX bit logicals): Split out from other patterns.
7213 * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
7214 mulqihi3_const_clobber_flags.
7215 (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
7217 2021-06-13 H.J. Lu <hjl.tools@gmail.com>
7220 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
7221 to true if red zone is used.
7222 (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
7224 * config/i386/i386.h (machine_function): Add red_zone_used.
7225 (ix86_red_zone_size): Removed.
7226 (ix86_red_zone_used): New.
7227 * config/i386/i386.md (peephole2 patterns): Replace
7228 ix86_red_zone_size with ix86_red_zone_used.
7230 2021-06-12 Jason Merrill <jason@redhat.com>
7232 * doc/extend.texi (unused variable attribute): Applies to
7233 structure fields as well.
7235 2021-06-12 Eugene Rozenfeld <erozen@microsoft.com>
7237 * auto-profile.c (read_profile): fix a typo in an error string
7239 2021-06-11 Thomas Schwinge <thomas@codesourcery.com>
7241 * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
7243 * tree-pretty-print.c (dump_omp_clauses): Update.
7244 (dump_generic_node) <OMP_CLAUSE>: Use it.
7246 2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
7249 * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
7250 int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
7251 the polymorphic variants matching code.
7252 (__arm_vld1q_z): Likewise.
7253 (__arm_vld2q): Likewise.
7254 (__arm_vld4q): Likewise.
7255 (__arm_vldrbq_gather_offset): Likewise.
7256 (__arm_vldrbq_gather_offset_z): Likewise.
7258 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
7260 PR tree-optimization/96392
7261 * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
7263 2021-06-11 Roger Sayle <roger@nextmovesoftware.com>
7265 PR tree-optimization/96392
7266 * fold-const.c (fold_real_zero_addition_p): Take both arguments
7267 of the addition or subtraction, not just the zero. Use this
7268 other argument in tests for signaling NaNs and signed zeros.
7269 (tree_expr_maybe_real_minus_zero_p): New predicate.
7270 * fold-const.h (fold_real_zero_addition_p): Update prototype.
7271 (tree_expr_maybe_real_minus_zero_p): New function prototype.
7272 * match.pd: Update calls to fold_real_zero_addition_p.
7273 Replace HONOR_NANS with tree_expr_maybe_nan_p.
7274 Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
7275 Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
7276 * tree-ssa-reassoc.c (eliminate_using_constants): Update
7277 call to fold_real_zero_addition_p.
7279 2021-06-11 Richard Biener <rguenther@suse.de>
7281 PR tree-optimization/101025
7282 * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
7283 all refs that require dependence checking.
7285 2021-06-11 Richard Biener <rguenther@suse.de>
7287 PR tree-optimization/101028
7288 * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
7289 reassoc discovery fails fatally, mark appropriate lanes
7292 2021-06-11 Richard Biener <rguenther@suse.de>
7294 PR tree-optimization/101026
7295 * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
7296 have a representative for the associated chain nodes.
7298 2021-06-11 Jakub Jelinek <jakub@redhat.com>
7300 PR rtl-optimization/101008
7301 * simplify-rtx.c (relational_result): New function.
7302 (simplify_logical_relational_operation,
7303 simplify_relational_operation): Use it.
7305 2021-06-11 Jakub Jelinek <jakub@redhat.com>
7308 * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
7310 2021-06-11 Uroš Bizjak <ubizjak@gmail.com>
7313 * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
7314 false if the permutation can be implemented with constant
7315 permutation instruction in wider mode.
7316 (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
7317 Handle V8QImode and V4HImode.
7319 2021-06-11 Martin Liska <mliska@suse.cz>
7321 PR gcov-profile/100788
7322 * common.opt: Add new option.
7323 * coverage.c (coverage_begin_function): Emit warning instead on
7324 the internal compiler error.
7325 * doc/invoke.texi: Document the option.
7326 * toplev.c (process_options): Enable it by default.
7328 2021-06-11 Richard Biener <rguenther@suse.de>
7330 PR middle-end/101009
7331 * tree-data-ref.c (build_classic_dist_vector_1): Make sure
7332 to set *init_b to true when we encounter a constant equal
7334 (compute_affine_dependence): Also dump the actual DR_REF.
7336 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
7338 PR tree-optimization/100984
7339 * gimple-ssa-evrp.c (ssa_equiv_stack): Use auto_vec for
7341 (ssa_equiv_stack::~ssa_equiv_stack): Remove.
7343 2021-06-11 Kewen Lin <linkw@linux.ibm.com>
7345 * config/rs6000/rs6000.md
7346 (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
7347 define_insn_and_split.
7349 2021-06-11 Richard Biener <rguenther@suse.de>
7351 * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
7352 to sort operands of the associative chain.
7354 2021-06-11 Richard Biener <rguenther@suse.de>
7356 * system.h (gcc_stablesort_r): Declare.
7357 * sort.cc (gcc_sort_r): Support stable sort.
7358 (gcc_stablesort_r): Define.
7359 * vec.h (vec<>::stablesort): Add.
7361 2021-06-10 Uroš Bizjak <ubizjak@gmail.com>
7364 * config/i386/i386-expand.c (ix86_split_mmx_punpck):
7365 Handle V2SF mode. Emit SHUFPS to fixup unpack-high for V2SF mode.
7366 (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
7367 (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
7368 (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
7369 (expand_vec_perm_interleave2): Handle 64bit modes.
7370 (expand_vec_perm_even_odd_pack): Handle V8QI mode.
7371 (expand_vec_perm_even_odd_1): Ditto.
7372 (ix86_vectorize_vec_perm_const): Ditto.
7373 * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
7374 * config/i386/sse.md: ... here.
7375 * config/i386/mmx.md (*vec_interleave_lowv2sf):
7376 New insn_and_split pattern.
7377 (*vec_interleave_highv2sf): Ditto.
7378 (mmx_pshufbv8qi3): New insn pattern.
7379 (*mmx_pblendw): Ditto.
7381 2021-06-10 Peter Bergner <bergner@linux.ibm.com>
7383 * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
7384 (build_acc): Likewise.
7385 * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
7386 source operands in little-endian mode.
7387 (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
7388 (mma_init_builtins): Likewise.
7389 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
7390 ordering for the MMA assemble and build source operands.
7391 * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
7393 (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
7396 2021-06-10 Jeff Law <jeffreyalaw@gmail.com>
7398 * config/h8300/h8300.c (select_cc_mode): Handle MEM. Use
7400 * config/h8300/extensions.md: Replace _clobber_flags patterns
7403 2021-06-10 Robin Dapp <rdapp@linux.ibm.com>
7405 * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
7406 (vcond_mask_<mode><tointvec>): this.
7408 2021-06-10 Andrew Stubbs <ams@codesourcery.com>
7409 Thomas Schwinge <thomas@codesourcery.com>
7411 * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
7412 (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
7413 * gimple.h (enum gf_mask): Split
7414 'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
7415 'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
7416 'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
7417 (is_gimple_omp_oacc): Update.
7418 * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
7419 * gimplify.c (gimplify_omp_target_update): Likewise.
7420 * omp-expand.c (expand_omp_target, build_omp_regions_1)
7421 (omp_make_gimple_edges): Likewise.
7422 * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
7425 2021-06-10 Aldy Hernandez <aldyh@redhat.com>
7427 * value-query.cc (value_query::value_on_edge): Rename name to
7429 (range_query::range_on_edge): Same.
7430 (range_query::value_of_expr): Same.
7431 (range_query::value_on_edge): Same.
7432 * value-query.h (class value_query): Same.
7433 (class range_query): Same.
7435 2021-06-10 Richard Biener <rguenther@suse.de>
7437 PR tree-optimization/101003
7438 * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
7439 use the pattern stmt defs when linearizing a chain.
7441 2021-06-10 Jakub Jelinek <jakub@redhat.com>
7444 * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
7445 prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7447 2021-06-10 Clement Chigot <clement.chigot@atos.net>
7449 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
7450 * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
7452 2021-06-09 Andrew Pinski <apinski@marvell.com>
7454 PR tree-optimization/100925
7455 * match.pd (a ? CST1 : CST2): Limit transformations
7456 that would produce a negative to integeral types only.
7457 Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
7459 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
7462 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
7464 * doc/tm.texi: Correctly update.
7466 2021-06-09 Jeff Law <jeffreyalaw@gmail.com>
7468 * doc/tm.texi: Correctly update.
7470 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
7473 * doc/tm.texi.in (Trampolines): Add a missing blank line.
7475 2021-06-09 Paul Eggert <eggert@cs.ucla.edu>
7478 * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
7479 and -ftrampolines work only with Ada.
7480 * doc/tm.texi.in (Trampolines): Likewise.
7481 * doc/tm.texi: Regenerated.
7483 2021-06-09 Carl Love <cel@us.ibm.com>
7485 * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
7486 Add define for new builtins.
7487 * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
7488 * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL): Add
7489 overloaded builtin definitions.
7490 (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
7491 VSIGNEXTSD2Q): Add builtin expansions.
7492 (SIGNEXT): Add P10 overload definition.
7493 * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
7494 P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
7495 * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
7496 (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
7497 vsignextend_si_v2di)[VIlong]: Add define_expand.
7498 Make define_insn vsx_sign_extend_si_v2di visible.
7499 * doc/extend.texi: Add documentation for the vec_signexti,
7500 vec_signextll builtins and vec_signextq.
7502 2021-06-09 Carl Love <cel@us.ibm.com>
7504 * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
7505 __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
7506 __floattikf_sw, __floatuntikf_sw respectively.
7507 * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
7508 fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
7509 define_insn for mode IEEE 128.
7511 2021-06-09 Carl Love <cel@us.ibm.com>
7513 * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
7514 Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
7515 * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
7516 (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
7517 (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
7518 * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
7519 uses of VSX_TI to VEC_TI.
7521 2021-06-09 Carl Love <cel@us.ibm.com>
7523 * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
7525 2021-06-09 Carl Love <cel@us.ibm.com>
7527 * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
7529 * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
7530 UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
7531 (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
7532 altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
7533 altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
7534 altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
7535 altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
7537 (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
7538 vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
7539 altivec_vrlqnm): New define_expands.
7540 * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
7541 VCMPGTUT_P): Add macro expansions.
7542 (BU_P10V_AV_P): Add builtin predicate definition.
7543 (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
7544 CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
7545 VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
7546 VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
7547 MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
7548 (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
7549 * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
7550 P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
7551 P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
7552 P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
7553 P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
7554 P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
7555 P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
7556 P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
7557 P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
7558 P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
7559 P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
7560 P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
7561 P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
7562 P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
7563 P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
7564 P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
7565 P10V_BUILTIN_MODU_V1TI):
7566 New overloaded definitions.
7567 (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
7568 P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
7569 P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
7570 P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
7571 P10V_BUILTIN_CMPLE_U1TI]: New case statements.
7572 (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
7574 (altivec_init_builtins): New E_V1TImode case statement.
7575 (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
7576 P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
7577 P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
7578 P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
7579 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
7580 E_V1TImode]: New case statements.
7581 * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
7582 value RS6000_BTI_bool_V1TI.
7583 * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
7584 vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
7585 vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
7586 vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
7587 vlshrv1ti3, vashrv1ti3): New define_expands.
7588 * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
7589 UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
7590 UNSPEC_VSX_MODUQ): New unspecs.
7591 (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
7592 vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
7594 (vcmpnet): New define_expand.
7595 * doc/extend.texi: Add documentation for the new builtins vec_rl,
7596 vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
7597 vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
7598 vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
7599 vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
7600 vec_any_ge, vec_any_le.
7602 2021-06-09 Carl Love <cel@us.ibm.com>
7604 * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
7605 bug in argument generation.
7607 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
7609 * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
7611 * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
7612 remove <supf> iterator.
7613 (mve_vclzq_u<mode>): New.
7614 * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
7615 (neon_vclz<mode): Move to ...
7616 * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
7617 * config/arm/vec-common.md: ... here. Add support for MVE.
7619 2021-06-09 Christophe Lyon <christophe.lyon@linaro.org>
7621 * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
7622 (@mve_vrhaddq_<supf><mode): Likewise.
7623 * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
7624 * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
7625 (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
7627 2021-06-09 imba-tjd <109224573@qq.com>
7629 * doc/invoke.texi: Fix typo.
7631 2021-06-09 Roger Sayle <roger@nextmovesoftware.com>
7634 * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
7635 Support evaluation of fmod/fmodf/fmodl at compile-time.
7637 2021-06-09 Richard Biener <rguenther@suse.de>
7639 PR tree-optimization/100981
7640 * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
7641 gimple_get_lhs to also handle calls.
7642 * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
7645 2021-06-09 Richard Biener <rguenther@suse.de>
7647 PR tree-optimization/97832
7648 * tree-vectorizer.h (_slp_tree::failed): New.
7649 * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
7651 (_slp_tree::~_slp_tree): Free failed.
7652 (vect_build_slp_tree): Retain failed nodes and record
7653 matches in them, copying that back out when running
7654 into a cached fail. Dump start and end of discovery.
7656 (vect_build_slp_tree_2): Handle associatable chains
7657 together doing more aggressive operand swapping.
7659 2021-06-09 H.J. Lu <hjl.tools@gmail.com>
7662 * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
7664 * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
7665 Linux and GNU targets.
7667 2021-06-09 Richard Biener <rguenther@suse.de>
7669 * tree-vect-stmts.c (vect_is_simple_use): Always get dt
7672 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
7674 * config/arc/arc.md (loop_end): Change it to
7675 define_insn_and_split.
7677 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
7679 * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
7680 (machi): New pattern.
7681 (umaddhisi4): Use VMAC2HU instruction.
7682 (umachi): New pattern.
7684 2021-06-09 Claudiu Zissulescu <claziss@synopsys.com>
7686 * config/arc/arc-protos.h (arc_split_move_p): New prototype.
7687 * config/arc/arc.c (arc_split_move_p): New function.
7688 (arc_split_move): Clean up.
7689 * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
7690 (movdf_insn): Likewise.
7691 * config/arc/simdext.md (mov<VWH>_insn): Likewise.
7693 2021-06-09 Uroš Bizjak <ubizjak@gmail.com>
7696 * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
7697 argument to "raw". Do not emit segment overrides when "raw" is true.
7699 2021-06-09 Martin Liska <mliska@suse.cz>
7701 * doc/gcov.texi: Create a proper JSON files.
7702 * doc/invoke.texi: Remove dots in order to make it a valid
7705 2021-06-09 Xionghu Luo <luoxhu@linux.ibm.com>
7707 * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
7708 (insn_is_load_p): Use pattern_is_rotate64.
7709 (insn_is_swap_p): Likewise.
7710 (quad_aligned_load_p): Likewise.
7711 (const_load_sequence_p): Likewise.
7712 (replace_swapped_aligned_load): Likewise.
7713 (recombine_lvx_pattern): Likewise.
7714 (recombine_stvx_pattern): Likewise.
7716 2021-06-09 Andrew MacLeod <amacleod@redhat.com>
7718 * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
7719 fur_stmt source record.
7720 * gimple-range.cc (fur_source::get_operand): Generic range query.
7721 (fur_source::get_phi_operand): New.
7722 (fur_source::register_dependency): New.
7723 (fur_source::query): New.
7724 (class fur_edge): New. Edge source for operands.
7725 (fur_edge::fur_edge): New.
7726 (fur_edge::get_operand): New.
7727 (fur_edge::get_phi_operand): New.
7728 (fur_edge::query): New.
7729 (fur_stmt::fur_stmt): New.
7730 (fur_stmt::get_operand): New.
7731 (fur_stmt::get_phi_operand): New.
7732 (fur_stmt::query): New.
7733 (class fur_depend): New. Statement source and process dependencies.
7734 (fur_depend::fur_depend): New.
7735 (fur_depend::register_dependency): New.
7736 (class fur_list): New. List source for operands.
7737 (fur_list::fur_list): New.
7738 (fur_list::get_operand): New.
7739 (fur_list::get_phi_operand): New.
7740 (fold_range): New. Instantiate appropriate fur_source class and fold.
7741 (fold_using_range::range_of_range_op): Use new API.
7742 (fold_using_range::range_of_address): Ditto.
7743 (fold_using_range::range_of_phi): Ditto.
7744 (imple_ranger::fold_range_internal): Use fur_depend class.
7745 (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
7746 * gimple-range.h (class fur_source): Now a base class.
7747 (class fur_stmt): New.
7748 (fold_range): New prototypes.
7749 (fur_source::fur_source): Delete.
7751 2021-06-08 Andrew Pinski <apinski@marvell.com>
7753 PR tree-optimization/25290
7754 * tree-ssa-phiopt.c (xor_replacement): Delete.
7755 (tree_ssa_phiopt_worker): Delete use of xor_replacement.
7756 (match_simplify_replacement): Allow one cheap preparation
7757 statement that can be moved to before the if.
7759 2021-06-08 Pat Haugen <pthaugen@linux.ibm.com>
7761 * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
7762 power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
7764 2021-06-08 Jeff Law <jeffreyalaw@gmail.com>
7766 * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
7767 Create length attribute on define_insn_and_split. Only split for cases which we
7769 (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags. Only handle AND here and
7770 fix length computation.
7771 (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
7773 2021-06-08 Richard Biener <rguenther@suse.de>
7775 PR tree-optimization/100923
7776 * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
7777 the operand vector to be valueized.
7778 (valueize_refs): Likewise.
7779 (valueize_shared_reference_ops_from_ref): Adjust.
7780 (valueize_shared_reference_ops_from_call): Likewise.
7781 (vn_reference_lookup_3): Likewise.
7782 (vn_reference_lookup_pieces): Likewise. Re-valueize
7783 with honoring availability when we are about to create
7784 the ao_ref and valueized before.
7785 (vn_reference_lookup): Likewise.
7786 (vn_reference_insert_pieces): Adjust.
7788 2021-06-08 Richard Biener <rguenther@suse.de>
7790 * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
7791 (_slp_instance::root_stmts): ... a vector.
7792 (SLP_INSTANCE_ROOT_STMT): Rename to ...
7793 (SLP_INSTANCE_ROOT_STMTS): ... this.
7794 (slp_root::root): Change to...
7795 (slp_root::roots): ... a vector.
7796 (slp_root::slp_root): Adjust.
7797 * tree-vect-slp.c (_slp_instance::location): Adjust.
7798 (vect_free_slp_instance): Release the root stmt vector.
7799 (vect_build_slp_instance): Adjust.
7800 (vect_analyze_slp): Likewise.
7801 (_bb_vec_info::~_bb_vec_info): Likewise.
7802 (vect_slp_analyze_operations): Likewise.
7803 (vect_bb_vectorization_profitable_p): Likewise. Adjust
7804 costs for the root stmt.
7805 (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
7807 (vect_slp_analyze_bb_1): Simplify by marking all root stmts
7809 (vectorize_slp_instance_root_stmt): Adjust.
7810 (vect_schedule_slp): Likewise.
7812 2021-06-08 Aldy Hernandez <aldyh@redhat.com>
7814 * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
7815 (ssa_equiv_stack::ssa_equiv_stack): New.
7816 (ssa_equiv_stack::~ssa_equiv_stack): New.
7817 (ssa_equiv_stack::enter): New.
7818 (ssa_equiv_stack::leave): New.
7819 (ssa_equiv_stack::push_replacement): New.
7820 (ssa_equiv_stack::get_replacement): New.
7821 (is_pointer_ssa): New.
7822 (class pointer_equiv_analyzer): New.
7823 (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
7824 (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
7825 (pointer_equiv_analyzer::set_global_equiv): New.
7826 (pointer_equiv_analyzer::set_cond_equiv): New.
7827 (pointer_equiv_analyzer::get_equiv): New.
7828 (pointer_equiv_analyzer::enter): New.
7829 (pointer_equiv_analyzer::leave): New.
7830 (pointer_equiv_analyzer::get_equiv_expr): New.
7831 (pta_valueize): New.
7832 (pointer_equiv_analyzer::visit_stmt): New.
7833 (pointer_equiv_analyzer::visit_edge): New.
7834 (hybrid_folder::value_of_expr): Call PTA.
7835 (hybrid_folder::value_on_edge): Same.
7836 (hybrid_folder::pre_fold_bb): New.
7837 (hybrid_folder::post_fold_bb): New.
7838 (hybrid_folder::pre_fold_stmt): New.
7839 (rvrp_folder::pre_fold_bb): New.
7840 (rvrp_folder::post_fold_bb): New.
7841 (rvrp_folder::pre_fold_stmt): New.
7842 (rvrp_folder::value_of_expr): Call PTA.
7843 (rvrp_folder::value_on_edge): Same.
7845 2021-06-08 Jakub Jelinek <jakub@redhat.com>
7848 * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
7849 check TREE_CODE if OMP_CLAUSE_DECL is NULL.
7851 2021-06-08 Richard Biener <rguenther@suse.de>
7853 PR middle-end/100951
7854 * tree-vect-generic.c (expand_vector_piecewise): Build a
7855 VECTOR_CST if all elements are constant.
7856 (expand_vector_condition): Likewise.
7857 (lower_vec_perm): Likewise.
7858 (expand_vector_conversion): Likewise.
7860 2021-06-08 Martin Liska <mliska@suse.cz>
7862 * doc/invoke.texi: Document new param evrp-sparse-threshold.
7864 2021-06-08 Martin Liska <mliska@suse.cz>
7866 * genautomata.c (create_automata): Fix typo.
7868 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
7870 PR tree-optimization/100794
7871 * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
7872 allow_unroll_p and only allow unrolling when it's true.
7873 (tree_predictive_commoning): Add parameter allow_unroll_p and
7875 (run_tree_predictive_commoning): Likewise.
7876 (pass_predcom::gate): Check flag_tree_loop_vectorize and
7877 global_options_set.x_flag_predictive_commoning.
7878 (pass_predcom::execute): Adjust for allow_unroll_p.
7880 2021-06-08 Kewen Lin <linkw@linux.ibm.com>
7882 * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
7883 (tree_predictive_commoning_loop): Factor some cleanup stuffs into
7884 lambda function cleanup, remove scev_reset call, and adjust return
7886 (tree_predictive_commoning): Adjust for different changed values,
7887 only set flag TODO_update_ssa_only_virtuals if changed.
7888 (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
7889 from todo_flags_finish.
7891 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
7893 * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
7894 (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
7895 (sbr_sparse_bitmap::bitmap_set_quad): New.
7896 (sbr_sparse_bitmap::bitmap_get_quad): New.
7897 (sbr_sparse_bitmap::set_bb_range): New.
7898 (sbr_sparse_bitmap::get_bb_range): New.
7899 (sbr_sparse_bitmap::bb_range_p): New.
7900 (block_range_cache::block_range_cache): initialize bitmap obstack.
7901 (block_range_cache::~block_range_cache): Destruct obstack.
7902 (block_range_cache::set_bb_range): Decide when to utilze the
7903 sparse on entry cache.
7904 * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
7905 * params.opt (-param=evrp-sparse-threshold): New.
7907 2021-06-07 Andrew MacLeod <amacleod@redhat.com>
7909 * bitmap.c (bitmap_set_aligned_chunk): New.
7910 (bitmap_get_aligned_chunk): New.
7911 (test_aligned_chunk): New.
7912 (bitmap_c_tests): Call test_aligned_chunk.
7913 * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
7915 2021-06-07 Uroš Bizjak <ubizjak@gmail.com>
7918 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
7920 (ix86_expand_vector_init_one_nonzero): Ditto.
7921 (ix86_expand_vector_init_one_var): Ditto.
7922 (ix86_expand_vector_init_general): Ditto.
7923 * config/i386/mmx.md (vec_initv4qiqi): New expander.
7925 2021-06-07 Jeff Law <jeffreyalaw@gmail.com>
7927 * config/h8300/movepush.md: Change most _clobber_flags
7928 patterns to instead use <cczn> subst.
7929 (movsi_cczn): New pattern with usable CC cases split out.
7930 (movsi_h8sx_cczn): Likewise.
7932 2021-06-07 Martin Liska <mliska@suse.cz>
7934 * common/common-target.def: Split long lines and replace them
7936 * target.def: Likewise.
7937 * doc/tm.texi: Re-generated.
7939 2021-06-07 Jakub Jelinek <jakub@redhat.com>
7942 * fold-const.c (fold_read_from_vector): Return NULL if trying to
7943 read from a CONSTRUCTOR with vector type elements.
7945 2021-06-07 Jakub Jelinek <jakub@redhat.com>
7947 PR middle-end/100898
7948 * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
7949 should copy any arguments. Don't call gimple_call_num_args
7950 on id->call_stmt or call_stmt more than once.
7952 2021-06-07 liuhongt <hongtao.liu@intel.com>
7955 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
7957 (<insn>v4siv4di2): Delete constraints for define_expand.
7959 2021-06-07 liuhongt <hongtao.liu@intel.com>
7962 * config/i386/i386-expand.c (ix86_expand_builtin): Remove
7963 assignment of cfun->machine->has_explicit_vzeroupper.
7964 * config/i386/i386-features.c
7965 (ix86_add_reg_usage_to_vzerouppers): Delete.
7966 (ix86_add_reg_usage_to_vzeroupper): Ditto.
7967 (rest_of_handle_insert_vzeroupper): Remove
7968 ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
7970 (gate): Remove cfun->machine->has_explicit_vzeroupper.
7971 * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
7973 * config/i386/i386.c (ix86_insn_callee_abi): New function.
7974 (ix86_initialize_callee_abi): Ditto.
7975 (ix86_expand_avx_vzeroupper): Ditto.
7976 (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
7978 (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
7979 (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
7981 * config/i386/i386.h (struct GTY(()) machine_function): Delete
7982 has_explicit_vzeroupper.
7983 * config/i386/i386.md (enum unspec): New member
7985 (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
7986 define_constants for insn callee abi index.
7987 * config/i386/predicates.md (vzeroupper_pattern): Adjust.
7988 * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
7989 (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
7990 (*avx_vzeroupper): Rename to ..
7991 (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
7992 call_insn which has a special vzeroupper ABI.
7993 (*avx_vzeroupper_1): Deleted.
7995 2021-06-07 liuhongt <hongtao.liu@intel.com>
7998 * df-scan.c (df_get_call_refs): When call_insn is a fake call,
7999 it won't use stack pointer reg.
8000 * final.c (leaf_function_p): When call_insn is a fake call, it
8001 won't affect caller as a leaf function.
8002 * reg-stack.c (callee_clobbers_any_stack_reg): New.
8003 (subst_stack_regs): When call_insn doesn't clobber any stack
8004 reg, don't clear the arguments.
8005 * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
8007 * shrink-wrap.c (requires_stack_frame_p): No need for stack
8008 frame for a fake call.
8009 * rtl.h (FAKE_CALL_P): New macro.
8011 2021-06-06 Eric Botcazou <ebotcazou@adacore.com>
8013 * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
8015 (sparc_order_regs_for_local_alloc): ...this.
8016 (sparc_leaf_reg_remap): Declare.
8017 * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
8018 (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
8019 * config/sparc/sparc.c (leaf_reg_remap): Delete.
8020 (order_regs_for_local_alloc): Rename to...
8021 (sparc_order_regs_for_local_alloc): ...this.
8022 (sparc_leaf_reg_remap): New function.
8023 (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
8025 2021-06-06 David Edelsohn <dje.gcc@gmail.com>
8027 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
8028 Use assemble_name to output BSS section name.
8030 2021-06-06 Uroš Bizjak <ubizjak@gmail.com>
8032 * config/i386/constraints.md (Bs):
8033 Remove boolean operators from match_test RTX.
8036 (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
8039 2021-06-06 Martin Liska <mliska@suse.cz>
8041 * doc/extend.texi: Add missing @headitem.
8042 * doc/invoke.texi: Likewise.
8043 * doc/objc.texi: Likewise.
8045 2021-06-06 Martin Liska <mliska@suse.cz>
8047 * genhooks.c (emit_findices): Remove unused function.
8048 (emit_documentation): Do not call emit_findices
8049 and do not search for @Fcode directives.
8051 2021-06-06 Martin Liska <mliska@suse.cz>
8053 * doc/invoke.texi: Remove extra character.
8055 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8057 * config/sh/sh.md (doloop_end_split): Fix empty split condition.
8059 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8061 * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
8062 *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
8063 *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
8064 *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
8066 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8068 * config/or1k/or1k.md (*movdi): Fix empty split condition.
8070 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8072 * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
8075 2021-06-05 Kewen Lin <linkw@linux.ibm.com>
8077 * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
8078 *zero_extendsidi2): Fix empty split condition.
8080 2021-06-05 Jeff Law <jeffreyalaw@gmail.com>
8082 * config/h8300/addsub.md: Fix split condition in define_insn_and_split
8084 * config/h8300/bitfield.md: Likewise.
8085 * config/h8300/combiner.md: Likewise.
8086 * config/h8300/divmod.md: Likewise.
8087 * config/h8300/extensions.md: Likewise.
8088 * config/h8300/jumpcall.md: Likewise.
8089 * config/h8300/movepush.md: Likewise.
8090 * config/h8300/multiply.md: Likewise.
8091 * config/h8300/other.md: Likewise.
8092 * config/h8300/shiftrotate.md: Likewise.
8093 * config/h8300/logical.md: Likewise. Fix split pattern to use
8094 code iterator that somehow slipped through.
8096 2021-06-04 Tobias Burnus <tobias@codesourcery.com>
8098 PR middle-end/100905
8099 * tree-nested.c (convert_nonlocal_omp_clauses,
8100 convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
8102 2021-06-04 Martin Sebor <msebor@redhat.com>
8104 PR middle-end/100732
8105 * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
8106 with either source or destination argument of invalid type.
8107 * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
8108 calls with arguments of invalid type.
8110 2021-06-04 Martin Sebor <msebor@redhat.com>
8112 * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
8114 (attr_access::vla_bounds): Also handle VLA bounds.
8116 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
8118 * config/i386/predicates.md (GOT_memory_operand):
8119 Implement using match_code RTXes.
8120 (GOT32_symbol_operand): Ditto.
8122 2021-06-04 Uroš Bizjak <ubizjak@gmail.com>
8125 * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
8127 (ix86_expand_vector_init_general): Ditto.
8128 Use SImode instead of word_mode for logic operations
8129 when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
8130 (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
8131 implemented by expand_vec_perm_1.
8132 (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
8133 should be implemented using standard shuffle patterns.
8134 (ix86_vectorize_vec_perm_const): Handle V2HImode. Add V4HI and
8135 V2HI modes to modes, implementable with shuffle for one operand.
8136 * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
8137 (*pshufw_1): New insn pattern.
8138 (*vec_dupv2hi): Ditto.
8139 (vec_initv2hihi): New expander.
8141 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
8143 * config/arm/vfp.md (no_literal_pool_df_immediate,
8144 no_literal_pool_sf_immediate): Fix empty split condition.
8146 2021-06-04 Kewen Lin <linkw@linux.ibm.com>
8148 * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
8149 *tls_dynamic_gnu2_combine_32): Fix empty split condition.
8150 * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
8151 *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
8152 *<sse4_1_avx2>_pblendvb_lt): Likewise.
8154 2021-06-04 Jakub Jelinek <jakub@redhat.com>
8157 * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
8158 concatenation from half-sized modes with TImode elements.
8160 2021-06-04 Claudiu Zissulescu <claziss@synopsys.com>
8162 * config/arc/arc.c (arc_override_options): Disable millicode
8163 thunks when RF16 is on.
8165 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
8167 * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
8169 2021-06-04 Haochen Gui <guihaoc@gcc.gnu.org>
8171 * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
8172 Replace PROMOTE_MODE marco with its content.
8174 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
8176 * config/cris/cris.md (*addi_reload): Fix empty split condition.
8178 2021-06-03 Jim Wilson <jimw@sifive.com>
8180 * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
8181 turn it on for all riscv targets.
8183 2021-06-03 Uroš Bizjak <ubizjak@gmail.com>
8186 * config/i386/i386-expand.c (ix86_expand_vector_set):
8187 Handle V2HI and V4QI modes.
8188 (ix86_expand_vector_extract): Ditto.
8189 * config/i386/mmx.md (*pinsrw): New insn pattern.
8192 (*pextrw_zext): Ditto.
8194 (*pextrb_zext): Ditto.
8195 (vec_setv2hi): New expander.
8196 (vec_extractv2hihi): Ditto.
8197 (vec_setv4qi): Ditto.
8198 (vec_extractv4qiqi): Ditto.
8199 (vec_setv8qi): Enable only for TARGET_SSE4_1.
8200 (vec_extractv8qiqi): Ditto.
8202 2021-06-03 Aaron Sawdey <acsawdey@linux.ibm.com>
8204 * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
8205 order to subf instruction.
8206 * config/rs6000/fusion.md: Regenerate.
8208 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
8210 * calls.c (get_size_range): Use range_of_expr instead of
8211 determine_value_range.
8212 * tree-affine.c (expr_to_aff_combination): Same.
8213 * tree-data-ref.c (split_constant_offset): Same.
8214 * tree-vrp.c (determine_value_range_1): Remove.
8215 (determine_value_range): Remove.
8216 * tree-vrp.h (determine_value_range): Remove.
8218 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
8220 * function-tests.c (test_ranges): Call gimple_range_tests.
8221 * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
8223 * gimple-range.cc (fur_source::get_operand): Do not call
8224 get_tree_range or gimple_range_global.
8226 (get_tree_range): Move to value-query.cc.
8227 Call get_arith_expr_range.
8228 (gimple_ranger::range_of_expr): Add argument to get_tree_range.
8229 Include gimple-range-tests.cc.
8230 * gimple-range.h (fold_range): Add argument.
8231 (get_tree_range): Remove.
8232 * selftest.h (gimple_range_tests): New.
8233 * value-query.cc (global_range_query::range_of_expr): Add
8235 (range_query::get_tree_range): Move from gimple-range.cc.
8236 * value-query.h (class range_query): Add get_tree_range and
8237 get_arith_expr_range. Make fur_source a friend.
8238 * vr-values.c (vr_values::range_of_expr): Pass stmt to
8240 * gimple-range-tests.cc: New file.
8242 2021-06-03 Aldy Hernandez <aldyh@redhat.com>
8244 * gimple-range.cc (gimple_ranger::export_global_ranges): Call
8245 update_global_range.
8246 * value-query.cc (update_global_range): New.
8247 * value-query.h (update_global_range): New.
8249 2021-06-03 David Malcolm <dmalcolm@redhat.com>
8251 * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
8252 printing the same location twice if there are fix-it hints,
8253 multiple locations, or a label.
8255 2021-06-03 Andre Vieira <andre.simoesdiasvieira@arm.com>
8257 * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
8258 thresholds to narrow the upper bound on epilogue iterations.
8260 2021-06-03 Christophe Lyon <christophe.lyon@linaro.org>
8262 * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
8263 (mve_vabsq_s<mode>): Likewise.
8264 * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
8265 * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
8266 * config/arm/vec-common.md (neg<mode>2): Rename to
8267 <absneg_str><mode>2.
8269 2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
8271 * common/config/arc/arc-common.c (arc_option_optimization_table):
8273 * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
8274 * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
8275 (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
8276 * config/arc/arc.md (abssi2_mixed): Remove pattern.
8277 * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
8278 (malign-call): Likewise.
8279 (mmixed-code): Likewise.
8280 * doc/invoke.texi (ARC): Update doc.
8282 2021-06-03 Martin Liska <mliska@suse.cz>
8284 * common.opt: Use proper Enum values.
8285 * opts.c (COVERAGE_SANITIZER_OPT): Remove.
8286 (parse_sanitizer_options): Handle only sanitizer_opts.
8287 (common_handle_option): Just assign value.
8289 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
8292 * tree-inline.c (inline_forbidden_p): Remove test on return type.
8294 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
8296 * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
8297 DW_OP_GNU_variable_value referencing an existing DIE at file scope.
8298 (type_byte_size): Inline into...
8299 (add_byte_size_attribute): ...this and call add_scalar_info.
8301 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
8303 * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
8304 (typed_binop_from_tree): New function.
8305 (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
8306 turn a divide by a power of 2 into a shift.
8307 <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
8308 size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
8309 typed divide by calling typed_binop_from_tree.
8311 2021-06-03 Eric Botcazou <ebotcazou@adacore.com>
8313 * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
8314 (is_handled_procedure_type): Likewise.
8315 (struct loc_descr_context): Add strict_signedness field.
8316 (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
8317 DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
8318 (resolve_args_picking): Minor tweak.
8319 (function_to_dwarf_procedure): Initialize strict_signedness field.
8320 (type_byte_size): Likewise.
8321 (field_byte_offset): Likewise.
8322 (gen_descr_array_type_die): Likewise.
8323 (gen_variant_part): Likewise.
8324 (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
8325 to true when a context is present before evaluating the arguments.
8326 <COND_EXPR>: Do not generate a useless comparison with zero.
8327 When dereferencing an address, if strict_signedness is true and the
8328 type is small and signed, use DW_OP_deref_type to do the dereference
8329 and then DW_OP_convert to convert back to the generic type.
8331 2021-06-03 Jakub Jelinek <jakub@redhat.com>
8334 * tree-inline.c (copy_tree_body_r): Handle iterators on
8335 OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
8337 2021-06-03 Kewen Lin <linkw@linux.ibm.com>
8339 * config/arc/arc.md (*bbit_di): Remove.
8341 2021-06-02 Christoph Muellner <cmuellner@gcc.gnu.org>
8343 PR rtl-optimization/100264
8344 * ree.c (get_sub_rtx): Ignore SET expressions without register
8345 destinations and remove assertion, as it is not valid anymore
8346 with this new behaviour.
8347 (merge_def_and_ext): Eliminate destination check for register
8348 as such SET expressions can't occur anymore.
8349 (combine_reaching_defs): Likewise.
8351 2021-06-02 Jakub Jelinek <jakub@redhat.com>
8354 * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
8355 -Wtype-limits warnings.
8356 (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
8357 in operands to avoid -Wsign-compare warnings.
8359 2021-06-02 Pat Haugen <pthaugen@linux.ibm.com>
8361 * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
8364 2021-06-02 Vineet Gupta <vgupta@synopsys.com>
8366 * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
8368 2021-06-02 Ilya Leoshkevich <iii@linux.ibm.com>
8370 * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
8372 * config/s390/subst.md(cconly_subst): Use a single constraint
8375 2021-06-02 Martin Liska <mliska@suse.cz>
8377 * ipa-icf.h: Use auto_vec for memory_access_types.
8379 2021-06-02 Jeff Law <jeffreyalaw@gmail.com>
8381 * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
8382 argument from prototype.
8383 (output_logical_op): Add rtx_code argument.
8384 (compute_logical_op_length): Likewise.
8385 * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
8386 to compute_a_shift_length.
8387 (output_logical_op); New argument with the rtx code rather than
8388 extracting it from an operand. Handle QImode too.
8389 (compute_logical_op_length): Similary.
8390 (compute_a_shift_length): Drop unused argument.
8391 * config/h8300/h8300.md (logicals): New code iterator.
8392 * config/h8300/logical.md (<code><mode>3 expander): Combine
8393 the "and" expander with the "ior"/"xor" expander.
8394 (bclr<mode>msx): Combine the QI/HI mode patterns.
8395 (<logical><mode>3 insns): Use code iterator rather than match_operator.
8396 Handle QImode as well. Update call to output_logical_op and
8397 compute_logical_op_length to pass in rtx_code
8398 Fix split condition on all define_insn_and_split patterns.
8399 (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
8400 the flags and setting ZN via existing define_subst.
8401 * config/h8300/shiftrotate.md: Drop unused argument from
8402 calls to compute_a_shift_length.
8403 Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
8405 2021-06-01 Andrew Pinski <apinski@marvell.com>
8407 PR tree-optimization/25290
8408 * tree-ssa-phiopt.c (match_simplify_replacement):
8410 (tree_ssa_phiopt_worker): Use match_simplify_replacement.
8411 (two_value_replacement): Change the comment about
8412 conditional_replacement.
8413 (conditional_replacement): Delete.
8415 2021-06-01 Andrew Pinski <apinski@marvell.com>
8417 PR tree-optimization/95481
8418 * tree-tailcall.c (find_tail_calls): Handle empty typed
8421 2021-06-01 Andrew Pinski <apinski@marvell.com>
8423 * gimplify.c (zero_sized_field_decl): Delete
8424 (zero_sized_type): Delete
8425 (gimplify_init_ctor_eval): Use is_empty_type instead
8426 of zero_sized_field_decl.
8427 (gimplify_modify_expr): Use is_empty_type instead of
8430 2021-06-01 Jason Merrill <jason@redhat.com>
8433 * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
8435 2021-06-01 Jason Merrill <jason@redhat.com>
8438 * diagnostic.h (warning_enabled_at): Declare.
8439 * diagnostic.c (diagnostic_enabled): Factor out from...
8440 (diagnostic_report_diagnostic): ...here.
8441 (warning_enabled_at): New.
8443 2021-06-01 Aldy Hernandez <aldyh@redhat.com>
8445 * gimple-ssa-evrp.c: Enable exporting of global ranges.
8447 2021-06-01 Martin Liska <mliska@suse.cz>
8450 * doc/invoke.texi: Mention that -fgcse-after-reload
8451 is enabled with -O3.
8453 2021-06-01 liuhongt <hongtao.liu@intel.com>
8455 PR tree-optimization/98365
8456 * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
8457 (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
8458 (convert_scalar_cond_reduction): Ditto.
8459 (predicate_scalar_phi): Ditto.
8461 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
8463 PR tree-optimization/100781
8464 * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
8465 value calculation by default.
8466 (ranger_cache::enable_new_values): New.
8467 (ranger_cache::disable_new_values): New.
8468 (ranger_cache::push_poor_value): Check if new values are allowed.
8469 * gimple-range-cache.h (class ranger_cache): New member/methods.
8470 * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
8471 statement, and disable/renable new value calculation.
8473 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
8475 * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
8476 (ranger_cache::range_of_def): New.
8477 (ranger_cache::entry_range): New.
8478 (ranger_cache::exit_range): New.
8479 (ranger_cache::range_of_expr): Adjust.
8480 (ranger_cache::range_on_edge): Adjust.
8481 (ranger_cache::propagate_cache): Call exit_range directly.
8482 * gimple-range-cache.h (class ranger_cache): Adjust.
8484 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
8486 * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
8487 gori_compute being a member rather than base class.
8488 dervied call to member call.
8489 (ranger_cache::dump): No longer dump gori_map.
8490 (ranger_cache::dump_bb): New.
8491 (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
8492 being a member rather than base class.
8493 (ranger_cache::set_global_range): Ditto.
8494 (ranger_cache::ssa_range_in_bb): Ditto.
8495 (ranger_cache::range_of_expr): New.
8496 (ranger_cache::range_on_edge): New.
8497 (ranger_cache::block_range): Adjust for gori_computes. Debug changes.
8498 (ranger_cache::propagate_cache): Adjust debugging output.
8499 (ranger_cache::fill_block_cache): Adjust for gori_computes. Debug
8501 * gimple-range-cache.h (class ranger_cache): Make gori_compute a
8502 member, and inherit from range_query instead.
8503 (ranger_cache::dump_bb): New. split from dump.
8504 * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
8505 (gori_compute::expr_range_at_stmt): Delete.
8506 (gori_compute::compute_name_range_op): Delete.
8507 (gori_compute::compute_operand_range_switch): Add fur_source.
8508 (gori_compute::compute_operand_range): Add fur_source param, inline
8509 old compute_name_range_op and optimize_logical_operands.
8510 (struct tf_range): Delete.
8511 (gori_compute::logical_combine): Adjust
8512 (gori_compute::optimize_logical_operands): Delete.
8513 (gori_compute::compute_logical_operands_in_chain): Delete.
8514 (gori_compute::compute_logical_operands): Adjust.
8515 (gori_compute::compute_operand1_range): Adjust to fur_source.
8516 (gori_compute::compute_operand2_range): Ditto.
8517 (gori_compute::compute_operand1_and_operand2_range): Ditto.
8518 (gori_compute::outgoing_edge_range_p): Add range_query parameter,
8519 and adjust to fur_source.
8520 * gimple-range-gori.h (class gori_compute): Simplify and adjust to
8521 range_query and fur_source.
8522 * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
8523 from the ranger_cache..
8524 (gimple_ranger::fold_range_internal): Adjust to base class change of
8526 (gimple_ranger::dump_bb): Adjust dump.
8527 * gimple-range.h (gimple_ranger):export gori computes object.
8529 2021-06-01 Andrew MacLeod <amacleod@redhat.com>
8531 PR tree-optimization/100774
8532 * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
8533 Constant values are also not stale.
8534 (ranger_cache::set_global_range): Range invariant values should also
8535 have the correct timestamp.
8537 2021-05-31 Martin Liska <mliska@suse.cz>
8539 * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
8540 Unpack FUNCTION_DECL_DECL_TYPE.
8541 * tree-streamer-out.c (pack_ts_function_decl_value_fields):
8542 Stream FUNCTION_DECL_DECL_TYPE instead of
8543 DECL_IS_OPERATOR_NEW_P.
8544 * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
8546 (DECL_IS_OPERATOR_NEW_P): Likewise.
8547 (DECL_IS_OPERATOR_DELETE_P): Likewise.
8548 (DECL_LAMBDA_FUNCTION_P): Likewise.
8550 2021-05-31 Richard Biener <rguenther@suse.de>
8553 * internal-fn.c (expand_SHUFFLEVECTOR): Define.
8554 * internal-fn.def (SHUFFLEVECTOR): New.
8555 * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
8556 * doc/extend.texi: Document __builtin_shufflevector.
8558 2021-05-31 Peter Bergner <bergner@linux.ibm.com>
8561 * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
8562 indexed form addresses.
8564 2021-05-29 Jeff Law <jlaw@tachyum.com>
8566 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
8567 parameter. Call callers fixed.
8569 (output_plussi): Add FALLTHRU markers.
8570 (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
8572 2021-05-29 Jakub Jelinek <jakub@redhat.com>
8575 * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
8576 combined with parallel, make sure to add shared clause to
8577 parallel for explicit linear clause.
8579 2021-05-29 Aldy Hernandez <aldyh@redhat.com>
8581 PR tree-optimization/100787
8582 * gimple-ssa-evrp.c: Disable exporting of global ranges.
8584 2021-05-28 Jason Merrill <jason@redhat.com>
8586 * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
8587 operator--, operator*, operator==, and operator!=.
8588 (class tsi_range): New.
8590 2021-05-28 Richard Biener <rguenther@suse.de>
8592 PR tree-optimization/100778
8593 * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
8594 trapping ops in different BBs.
8596 2021-05-28 Richard Biener <rguenther@suse.de>
8599 * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
8600 copy fntype from original call.
8602 2021-05-28 Martin Liska <mliska@suse.cz>
8604 PR gcov-profile/100751
8605 * doc/gcov.texi: Revert partially a hunk that was wrong.
8607 2021-05-28 Cooper Qu <cooper.qu@linux.alibaba.com>
8609 * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
8611 (HAVE_sync_compare_and_swaphi): Likewise.
8612 (HAVE_sync_compare_and_swapsi): Likewise.
8614 2021-05-28 Jakub Jelinek <jakub@redhat.com>
8617 * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
8619 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
8621 * gimplify.c (gimplify_omp_affinity): New.
8622 (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
8623 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
8624 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
8625 * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
8626 (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
8628 2021-05-28 Joern Rennecke <joern.rennecke@riscy-ip.com>
8629 Richard Biener <rguenther@suse.de>
8631 * match.pd <popcount & / + pattern matching>:
8632 When generating popcount directly fails, try doing it in two halves.
8634 2021-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
8636 * Makefile.in (generated_files): Add gimple-match.c and
8639 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
8641 * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
8643 2021-05-28 Joern Rennecke <joern.rennecke@embecosm.com>
8645 * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
8647 2021-05-28 Kewen Lin <linkw@linux.ibm.com>
8649 PR tree-optimization/99398
8650 * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
8651 where the fed operands are CTOR/CST and propagated through
8652 VIEW_CONVERT_EXPR. Call vec_perm_indices::new_shrunk_vector.
8653 * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
8655 * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
8658 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
8660 * config/i386/mmx.md (addv2sf3): Do not call
8661 ix86_fixup_binary_operands_no_copy.
8664 (<smaxmin:code>v2sf3): Ditto.
8665 (<plusminus:insn><MMXMODEI:mode>3): Ditto.
8666 (<plusminus:insn><VI_32:mode>3): Remove expander.
8667 (<plusminus:insn><VI_32:mode>3): Rename from
8668 "*<plusminus:insn><VI_32:mode>3".
8669 (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
8670 (mulv2hi3): Remove expander.
8671 (mulv2hi3): Rename from *mulv2hi3.
8672 (<s>mulv2hi3_highpart): Remove expander.
8673 (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
8674 (<smaxmin:code><MMXMODE14:mode>3): Rename from
8675 "*mmx_<smaxmin:code><MMXMODE14:mode>3".
8676 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
8677 (SMAXMIN_MMXMODEI): Remove mode iterator.
8678 (<smaxmin:code>v4hi3): New expander.
8679 (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
8680 (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
8681 (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
8682 (SMAXMIN_VI_32): Remove mode iterator.
8683 (<umaxmin:code><MMXMODE24:mode>3): Rename from
8684 "*mmx_<umaxmin:code><MMXMODE24:mode>3".
8685 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
8686 (UMAXMIN_MMXMODEI): Remove mode iterator.
8687 (<umaxmin:code>v8qi3): New expander.
8688 (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
8689 (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
8690 (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
8691 (UMAXMIN_VI_32): Remove mode iterator.
8692 (<any_shift:insn>v2hi3): Remove expander.
8693 (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
8694 (<any_logic:code><MMXMODEI:mode>3): Do not call
8695 ix86_fixup_binary_operands_no_copy.
8696 (<any_logic:code><VI_32:mode>3): Remove expander.
8697 (<any_logic:code><VI_32:mode>3): Rename from
8698 "*<any_logic:code><VI_32:mode>3".
8699 (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
8700 * config/i386/sse.md (div<VF2:mode>3): Do not call
8701 ix86_fixup_binary_operands_no_copy.
8702 (div<VF1:mode>3): Ditto.
8703 (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
8704 (smulhrsv4hi3): Ditto.
8705 (smulhrsv2hi3): Ditto.
8707 2021-05-27 Martin Sebor <msebor@redhat.com>
8709 * ggc.h (gt_ggc_mx): Add overloads for all integers.
8711 * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
8713 (hash_map::operator==): New function.
8715 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
8718 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
8719 For TARGET_XOP bypass SSE comparisons for all supported vector modes.
8720 * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
8721 (*xop_maskcmp<VI_32:mode>3): Ditto.
8722 (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
8723 (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
8725 2021-05-27 Richard Earnshaw <rearnsha@arm.com>
8728 * config/arm/arm.c (arm_configure_build_target): Remove parameter
8729 opts_set, directly check opts parameters for being non-null.
8730 (arm_option_restore): Update call to arm_configure_build_target.
8731 (arm_option_override): Likewise.
8732 (arm_can_inline_p): Likewise.
8733 (arm_valid_target_attribute_tree): Likewise.
8734 * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
8735 * config/arm/arm-protos.h (arm_configure_build_target): Adjust
8738 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
8740 * vr-values.c (simplify_conversion_using_ranges): Use
8741 get_range_query instead of get_global_range_query.
8743 2021-05-27 Aldy Hernandez <aldyh@redhat.com>
8745 * gimple-range.cc (get_range_global): Move to value-query.cc.
8746 (gimple_range_global): Same.
8747 (get_global_range_query): Same.
8748 (global_range_query::range_of_expr): Same.
8749 * gimple-range.h (class global_range_query): Move to
8751 (gimple_range_global): Same.
8752 * tree-ssanames.c (get_range_info): Move to value-query.cc.
8753 (get_ptr_nonnull): Same.
8754 * tree-ssanames.h (get_range_info): Remove.
8755 (get_ptr_nonnull): Remove.
8756 * value-query.cc (get_ssa_name_range_info): Move from
8758 (get_ssa_name_ptr_info_nonnull): Same.
8759 (get_range_global): Move from gimple-range.cc.
8760 (gimple_range_global): Same.
8761 (get_global_range_query): Same.
8762 (global_range_query::range_of_expr): Same.
8763 * value-query.h (class global_range_query): Move from
8765 (gimple_range_global): Same.
8767 2021-05-27 Uroš Bizjak <ubizjak@gmail.com>
8770 * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
8771 (uavgv2hi3_ceil): Ditto.
8773 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
8776 * doc/extend.texi (scalar_storage_order): Rephrase slightly.
8778 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8780 * tree-ssanames.c (get_range_info): Merge both copies of
8781 get_range_info into one that works with irange.
8782 * tree-ssanames.h (get_range_info): Remove version that works on
8785 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8787 * builtins.c (check_nul_terminated_array): Convert to get_range_query.
8788 (expand_builtin_strnlen): Same.
8789 (determine_block_size): Same.
8790 * fold-const.c (expr_not_equal_to): Same.
8791 * gimple-fold.c (size_must_be_zero_p): Same.
8792 * gimple-match-head.c: Include gimple-range.h.
8793 * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
8794 * gimple-ssa-warn-restrict.c
8795 (builtin_memref::extend_offset_range): Same.
8796 * graphite-sese-to-poly.c (add_param_constraints): Same.
8797 * internal-fn.c (get_min_precision): Same.
8798 * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
8799 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
8801 * tree-data-ref.c (split_constant_offset): Same.
8802 (dr_step_indicator): Same.
8803 * tree-dfa.c (get_ref_base_and_extent): Same.
8804 * tree-scalar-evolution.c (iv_can_overflow_p): Same.
8805 * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
8806 (determine_value_range): Same.
8807 (record_nonwrapping_iv): Same.
8808 (infer_loop_bounds_from_signedness): Same.
8809 (scev_var_range_cant_overflow): Same.
8810 * tree-ssa-phiopt.c (two_value_replacement): Same.
8811 * tree-ssa-pre.c (insert_into_preds_of_block): Same.
8812 * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
8813 * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
8815 (dump_strlen_info): Same.
8816 (set_strlen_range): Same.
8817 (maybe_diag_stxncpy_trunc): Same.
8818 (get_len_or_size): Same.
8819 (handle_integral_assign): Same.
8820 * tree-ssa-structalias.c (find_what_p_points_to): Same.
8821 * tree-ssa-uninit.c (find_var_cmp_const): Same.
8822 * tree-switch-conversion.c (bit_test_cluster::emit): Same.
8823 * tree-vect-patterns.c (vect_get_range_info): Same.
8824 (vect_recog_divmod_pattern): Same.
8825 * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
8826 (register_edge_assert_for_2): Same.
8827 (determine_value_range_1): Same.
8828 * tree.c (get_range_pos_neg): Same.
8829 * vr-values.c (vr_values::get_lattice_entry): Same.
8830 (vr_values::update_value_range): Same.
8831 (simplify_conversion_using_ranges): Same.
8833 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8835 * gimple-ssa-warn-alloca.c (alloca_call_type): Use
8836 get_range_query instead of query argument.
8837 (pass_walloca::execute): Enable and disable global ranger.
8839 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8841 * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
8843 (rvrp_folder::~rvrp_folder): Call disable_ranger.
8844 (hybrid_folder::hybrid_folder): Call enable_ranger.
8845 (hybrid_folder::~hybrid_folder): Call disable_ranger.
8847 2021-05-26 Aldy Hernandez <aldyh@redhat.com>
8849 * function.c (allocate_struct_function): Set cfun->x_range_query.
8850 * function.h (struct function): Declare x_range_query.
8851 (get_range_query): New.
8852 (get_global_range_query): New.
8853 * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
8854 Remove call to safe_grow_cleared.
8855 * gimple-range.cc (get_range_global): New.
8856 (gimple_range_global): Move from gimple-range.h.
8857 (get_global_range_query): New.
8858 (global_range_query::range_of_expr): New.
8859 (enable_ranger): New.
8860 (disable_ranger): New.
8861 * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
8862 (class global_range_query): New.
8863 (enable_ranger): New.
8864 (disable_ranger): New.
8865 * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
8866 dump_all_value_ranges to dump.
8867 * tree-vrp.c (vrp_prop::finalize): Same.
8868 * value-query.cc (range_query::dump): New.
8869 * value-query.h (range_query::dump): New.
8870 * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
8871 (vr_values::dump): ...this.
8872 * vr-values.h (class vr_values): Rename dump_all_value_ranges to
8873 dump and make virtual.
8875 2021-05-26 Uroš Bizjak <ubizjak@gmail.com>
8877 * config/i386/i386.c (ix86_autovectorize_vector_modes):
8878 Add V4QImode and V16QImode for TARGET_SSE2.
8879 * doc/sourcebuild.texi (Vector-specific attributes):
8880 Add vect64 and vect32 description.
8882 2021-05-26 Bernd Edlinger <bernd.edlinger@hotmail.de>
8884 * gimple-range-gori.cc (range_def_chain::register_dependency):
8885 Resize m_def_chain when needed.
8887 2021-05-26 Christophe Lyon <christophe.lyon@linaro.org>
8889 * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
8890 * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
8891 * config/arm/vec-common.md: .. here. Add support for MVE.
8893 2021-05-26 Jakub Jelinek <jakub@redhat.com>
8895 * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
8897 * config/microblaze/microblaze.c (microblaze_legitimize_address,
8899 microblaze_option_override, print_operand): Likewise.
8900 * config/microblaze/microblaze.md (call_internal_plt,
8901 call_value_intern_plt, call_value_intern): Likewise.
8902 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
8903 * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
8904 call_value_multiple_internal1): Likewise.
8905 * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
8907 2021-05-26 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8909 * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
8910 arc_ccfsm_advance, symbolic_reference_mentioned_p,
8911 arc_raw_symbolic_reference_mentioned_p): Remove register
8914 2021-05-26 Jakub Jelinek <jakub@redhat.com>
8917 * omp-low.c: Include omp-offload.h.
8918 (create_omp_child_function): If current_function_decl has
8919 "omp declare target" attribute and is_gimple_omp_offloaded,
8920 remove that attribute from the copy of attribute list and
8921 add "omp target entrypoint" attribute instead.
8922 (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
8923 variables for offloading if in omp_maybe_offloaded_ctx.
8924 * omp-offload.c (pass_omp_target_link::execute): Nullify second
8925 argument to GOMP_target_data_ext in offloaded code.
8927 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8929 * config/csky/csky.c (csky_can_change_mode_class): Delete.
8930 For csky, HF/SF mode use the low bits of VREGS.
8932 2021-05-26 Eric Botcazou <ebotcazou@adacore.com>
8934 * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
8935 DECL which is a reference for OMP.
8937 2021-05-26 Martin Liska <mliska@suse.cz>
8939 PR gcov-profile/100751
8940 * doc/gcov.texi: Document that __gcov_dump can be called just
8941 once and that __gcov_reset resets run-time counters.
8943 2021-05-26 Martin Liska <mliska@suse.cz>
8945 * doc/install.texi: Port relevant part from install-old.texi
8946 and re-generate list of CPUs and systems.
8948 2021-05-26 Martin Liska <mliska@suse.cz>
8950 * Makefile.in: Remove it.
8951 * doc/include/fdl.texi: Update next/previous chapters.
8952 * doc/install.texi: Likewise.
8953 * doc/install-old.texi: Removed.
8955 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8957 * config/csky/csky.c (ck810_legitimate_index_p): Support
8958 "base + index" with DF mode.
8959 * config/csky/constraints.md ("Y"): New constraint for memory operands
8960 without index register.
8961 * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
8962 when mov between memory and general registers, and lower their priority.
8963 * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
8965 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8967 * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
8969 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8971 * config/csky/csky.md (untyped_call): Emit clobber for return
8972 registers to mark them used.
8974 2021-05-26 Geng Qi <gengqi@linux.alibaba.com>
8976 * config/csky/csky.md (cskyv2_sextend_ldbs): New.
8978 2021-05-26 Andrew Pinski <apinski@marvell.com>
8980 * match.pd (x < 0 ? ~y : y): New patterns.
8982 2021-05-26 Andrew Pinski <apinski@marvell.com>
8984 * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
8985 A?POW2:0 and A?0:POW2.
8987 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
8989 * gimple-range-gori.cc (class logical_stmt_cache): Delete
8990 (logical_stmt_cache::logical_stmt_cache ): Delete.
8991 (logical_stmt_cache::~logical_stmt_cache): Delete.
8992 (logical_stmt_cache::cache_entry::dump): Delete.
8993 (logical_stmt_cache::get_range): Delete.
8994 (logical_stmt_cache::cached_name ): Delete.
8995 (logical_stmt_cache::same_cached_name): Delete.
8996 (logical_stmt_cache::cacheable_p): Delete.
8997 (logical_stmt_cache::slot_diagnostics ): Delete.
8998 (logical_stmt_cache::dump): Delete.
8999 (gori_compute_cache::gori_compute_cache): Delete.
9000 (gori_compute_cache::~gori_compute_cache): Delete.
9001 (gori_compute_cache::compute_operand_range): Delete.
9002 (gori_compute_cache::cache_stmt): Delete.
9003 * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
9005 (class gori_compute_cache): Delete.
9007 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9009 * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
9011 (fold_using_range::range_of_address): Adjust.
9012 (fold_using_range::range_of_phi): Adjust.
9013 * gimple-range.h (class fur_source): Adjust.
9014 (fur_source::fur_source): Adjust.
9016 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9018 * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
9019 from expr_range_in_bb and adjust.
9020 (gori_compute::compute_name_range_op): Adjust.
9021 (gori_compute::optimize_logical_operands): Adjust.
9022 (gori_compute::compute_logical_operands_in_chain): Adjust.
9023 (gori_compute::compute_operand1_range): Adjust.
9024 (gori_compute::compute_operand2_range): Adjust.
9025 (ori_compute_cache::cache_stmt): Adjust.
9026 * gimple-range-gori.h (gori_compute): Rename prototype.
9028 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9030 * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
9031 checked only after range_of_stmt, not range_on_entry.
9032 (gimple_ranger::range_on_entry): Check for non-null in any
9033 predecessor block, if it is not already non-null.
9034 (gimple_ranger::range_on_exit): DOnt check for non-null after
9035 range on entry call.
9036 (gimple_ranger::dump_bb): New. Split from dump.
9037 (gimple_ranger::dump): Adjust.
9038 * gimple-range.h (class gimple_ranger): Adjust.
9040 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9042 * gimple-range-cache.cc (struct range_timestamp): Delete.
9043 (class temporal_cache): Adjust.
9044 (temporal_cache::get_timestamp): Delete.
9045 (temporal_cache::set_dependency): Delete.
9046 (temporal_cache::temporal_value): Adjust.
9047 (temporal_cache::current_p): Take dependencies as params.
9048 (temporal_cache::set_timestamp): Adjust.
9049 (temporal_cache::set_always_current): Adjust.
9050 (ranger_cache::get_non_stale_global_range): Adjust.
9051 (ranger_cache::register_dependency): Delete.
9052 * gimple-range-cache.h (class range_cache): Adjust.
9054 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9056 * gimple-range-gori.cc (range_def_chain::range_def_chain): init
9058 (range_def_chain::~range_def_chain): Dispose of obstack rather than
9059 each individual bitmap.
9060 (range_def_chain::set_import): New.
9061 (range_def_chain::get_imports): New.
9062 (range_def_chain::chain_import_p): New.
9063 (range_def_chain::register_dependency): Rename from build_def_chain
9065 (range_def_chain::def_chain_in_bitmap_p): New.
9066 (range_def_chain::add_def_chain_to_bitmap): New.
9067 (range_def_chain::has_def_chain): Just check first depenedence.
9068 (range_def_chain::get_def_chain): Process imports, use generic
9069 register_dependency routine.
9070 (range_def_chain::dump): New.
9071 (gori_map::gori_map): Allocate import list.
9072 (gori_map::~gori_map): Release imports.
9073 (gori_map::exports): Check for past allocated block size.
9074 (gori_map::imports): New.
9075 (gori_map::def_chain_in_export_p): Delete.
9076 (gori_map::is_import_p): New.
9077 (gori_map::maybe_add_gori): Handle imports.
9078 (gori_map::dump): Adjust output, add imports.
9079 (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
9080 (gori_export_iterator::gori_export_iterator): New.
9081 (gori_export_iterator::next): New.
9082 (gori_export_iterator::get_name): New.
9083 * gimple-range-gori.h (range_def_chain): Add imports and direct
9084 dependecies via struct rdc.
9085 (range_def_chain::depend1): New.
9086 (range_def_chain::depend2): New.
9087 (class gori_map): Adjust.
9088 (FOR_EACH_GORI_IMPORT_NAME): New.
9089 (FOR_EACH_GORI_EXPORT_NAME): New.
9090 (class gori_export_iterator): New.
9092 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9094 * gimple-range-cache.cc (ranger_cache::ranger_cache): Move initial
9095 export cache filling to here.
9096 * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
9098 2021-05-25 Andrew MacLeod <amacleod@redhat.com>
9100 * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
9101 (gori_map): Move to gimple-range-gori.h.
9102 (gori_compute::gori_compute): Adjust.
9103 (gori_compute::~gori_compute): Delete.
9104 (gori_compute::compute_operand_range_switch): Adjust.
9105 (gori_compute::compute_operand_range): Adjust.
9106 (gori_compute::compute_logical_operands): Adjust.
9107 (gori_compute::has_edge_range_p ): Adjust.
9108 (gori_compute::set_range_invariant): Delete.
9109 (gori_compute::dump): Adjust.
9110 (gori_compute::outgoing_edge_range_p): Adjust.
9111 * gimple-range-gori.h (class range_def_chain): Relocate here.
9112 (class gori_map): Relocate here.
9113 (class gori_compute): Inherit from gori_map, and adjust.
9115 2021-05-25 Aldy Hernandez <aldyh@redhat.com>
9117 * value-range.cc (range_tests_legacy): Use
9118 build_nonstandard_integer_type instead of int and short.
9120 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
9122 * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
9123 when really creating an initialization statement for it.
9125 2021-05-25 Eric Botcazou <ebotcazou@adacore.com>
9127 * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
9129 2021-05-25 Kito Cheng <kito.cheng@sifive.com>
9131 * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
9133 2021-05-25 Martin Liska <mliska@suse.cz>
9135 PR tree-optimization/92860
9137 * optc-save-gen.awk: Remove exceptions.
9139 2021-05-25 Martin Liska <mliska@suse.cz>
9141 * asan.h (sanitize_coverage_p): New function.
9142 * doc/extend.texi: Document it.
9143 * fold-const.c (fold_range_test): Use sanitize_flags_p
9144 instead of flag_sanitize_coverage.
9145 (fold_truth_andor): Likewise.
9146 * sancov.c: Likewise.
9147 * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
9148 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
9149 -fsanitize-coverage when inlining.
9151 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
9153 * config/csky/csky-modes.def : Fix copyright.
9155 2021-05-25 Cooper Qu <cooper.qu@linux.alibaba.com>
9157 * config/csky/csky-modes.def : Amend copyright.
9158 * config/csky/csky_insn_fpuv2.md : Likewise.
9159 * config/csky/csky_insn_fpuv3.md : Likewise.
9161 2021-05-25 Richard Biener <rguenther@suse.de>
9163 PR middle-end/100727
9164 * calls.c (initialize_argument_information): Explicitely test
9166 * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
9168 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
9170 * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
9171 HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
9172 the signle definition. The signle definition may not work well
9173 at simplify_subreg_regno().
9174 (HARD_FRAME_POINTER_REGNUM): New.
9175 (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
9176 * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
9177 csky_initial_elimination_offset, csky_expand_prologue,
9178 csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
9180 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
9182 * config/csky/csky.c (csky_option_override):
9183 Init csky_arch_isa_features[] in advance, so TARGET_DSP
9184 and TARGET_DIV can be set well.
9186 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
9188 * config/csky/constraints.md ("l", "h"): Delete.
9189 * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
9190 REG_CLASS_CONTENTS): Delete LO_REGS and HI_REGS.
9191 * config/csky/csky.c (regno_reg_classm,
9192 csky_secondary_reload, csky_register_move_cost):
9193 Use HILO_REGS instead of LO_REGS and HI_REGS.
9195 2021-05-25 Geng Qi <gengqi@linux.alibaba.com>
9197 * config/csky/constraints.md ("W"): New constriant for mem operand
9198 with base reg, index register.
9199 ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
9200 "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
9202 ("Dv"): New constraint for const double value that can be used at
9204 * config/csky/csky-modes.def (HFmode): New mode.
9205 * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
9206 to "csky_valid_mem_constraint_operand" and support new constraint
9208 (csky_get_movedouble_length): New.
9209 (fpuv3_output_move): New.
9210 (fpuv3_const_double): New.
9211 * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
9212 (decompose_csky_address): Refine.
9213 (csky_print_operand): New "CONST_DOUBLE" operand.
9214 (csky_output_move): Support fpv3 instructions.
9215 (csky_get_movedouble_length): New.
9216 (fpuv3_output_move): New.
9217 (fpuv3_const_double): New.
9218 (csky_emit_compare): Cover float comparsion.
9219 (csky_emit_compare_float): Refine.
9220 (csky_vaild_fpuv2_mem_operand): Rename to
9221 "csky_valid_mem_constraint_operand" and support new constraint "W".
9222 (ck860_rtx_costs): New.
9223 (csky_rtx_costs): Add the cost calculation of CK860.
9224 (regno_reg_class): New vregs for fpuv3.
9225 (csky_dbx_regno): Likewise.
9226 (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
9227 (csky_conditional_register_usage): Suporrot fpuv3.
9228 (csky_dwarf_register_span): Suporrot fpuv3.
9229 (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
9230 (ck810_legitimate_index_p): Support fp16.
9231 * config/csky/csky.h (TARGET_TLS): ADD CK860.
9232 (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
9233 (TARGET_SINGLE_FPU): Support fpuv3.
9234 (TARGET_SUPPORT_FPV3): New.
9235 (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
9236 (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
9237 REG_CLASS_CONTENTS): Support fpuv3.
9238 * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
9239 (csky_movsf_fpv2): Likewise.
9240 (ck801_movsf): Likewise.
9241 (csky_movsf): Likewise.
9243 (csky_movdf_fpv2): Likewise.
9244 (ck801_movdf): Likewise.
9245 (csky_movdf): Likewise.
9246 (movsicc): Refine. Use "comparison_operatior" instead of
9247 "ordered_comparison_operatior".
9248 (addsicc): Likewise.
9249 (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
9250 (call_value_internal_vh): New.
9251 * config/csky/csky_cores.def (CK860): New arch and cpu.
9256 * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
9257 into emit-patterns and match-patterns, remain the emit-patterns here,
9258 and move the match-patterns to csky_insn_fpuv2.md or
9260 * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
9261 * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
9263 * config/csky/csky_isa.def (fcr): New.
9268 (CK860): New definition for ck860.
9269 * config/csky/csky_tables.opt (ck860): New processors ck860,
9270 ck860f. And new arch ck860.
9275 * config/csky/predicates.md (csky_float_comparsion_operator): Delete
9276 "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
9277 * config/csky/t-csky-elf: Support 860.
9278 * config/csky/t-csky-linux: Likewise.
9279 * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
9281 2021-05-24 Aaron Sawdey <acsawdey@linux.ibm.com>
9283 * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
9284 add generation of logical-add and add-logical fusion pairs.
9285 * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
9287 * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
9288 logical-add and add-logical fusion by default.
9289 * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
9290 -mpower10-fusion-add-logical options.
9291 * config/rs6000/fusion.md: Regenerate file.
9293 2021-05-24 Aldy Hernandez <aldyh@redhat.com>
9295 * value-range.cc (irange::legacy_equal_p): Check type when
9296 comparing VR_VARYING types.
9297 (range_tests_legacy): Test comparing VARYING ranges of different
9300 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
9302 * config/aarch64/aarch64.c (neoversen1_tunings):
9303 Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
9305 2021-05-24 Wilco Dijkstra <wdijkstr@arm.com>
9307 * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
9308 extern weak symbols. Limit symbol offsets for non-GOT symbols with
9311 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
9313 * config/arm/neon.md (vec_load_lanesxi<mode>)
9314 (vec_store_lanexoi<mode>): Move ...
9315 * config/arm/vec-common.md: here.
9317 2021-05-24 Christophe Lyon <christophe.lyon@linaro.org>
9319 * config/arm/neon.md (vec_load_lanesoi<mode>)
9320 (vec_store_lanesoi<mode>): Move ...
9321 * config/arm/vec-common.md: here.
9323 2021-05-24 liuhongt <hongtao.liu@intel.com>
9326 * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
9327 stmt with GIMPLE_NOP when lhs doesn't exist.
9329 2021-05-23 Uroš Bizjak <ubizjak@gmail.com>
9332 * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
9333 New instruction pattern.
9334 (*push<VI_32:mode>2): Ditto.
9335 (push splitter for SSE registers): New splitter.
9337 2021-05-23 Andrew Pinski <apinski@marvell.com>
9339 * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
9341 2021-05-22 Aaron Sawdey <acsawdey@linux.ibm.com>
9343 * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
9344 * config/rs6000/fusion.md: Regenerate file.
9346 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
9348 * config/rs6000/genfusion.pl (gen_addadd): New function.
9349 * config/rs6000/fusion.md: Regenerate file.
9350 * config/rs6000/rs6000-cpus.def: Add
9351 OPTION_MASK_P10_FUSION_2ADD to masks.
9352 * config/rs6000/rs6000.c (rs6000_option_override_internal):
9353 Handle default value of OPTION_MASK_P10_FUSION_2ADD.
9354 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
9356 2021-05-21 Jakub Jelinek <jakub@redhat.com>
9359 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
9360 * gimplify.c (enum gimplify_omp_var_data): Fix up
9361 GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
9362 (omp_lastprivate_for_combined_outer_constructs): If combined target
9363 has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
9364 GOVD_MAP | GOVD_SEEN.
9365 (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
9366 firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
9367 (gimplify_adjust_omp_clauses): For firstprivate clauses with
9368 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
9369 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
9370 let it be replaced by implicit map clause.
9372 2021-05-21 Jakub Jelinek <jakub@redhat.com>
9375 * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
9377 (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
9378 (gimplify_omp_for): Likewise.
9380 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9383 * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
9384 'external' in blocks.
9386 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9389 * flag-types.h (enum openacc_privatization): New.
9390 * params.opt (-param=openacc-privatization): New.
9391 * doc/invoke.texi (openacc-privatization): Document it.
9392 * omp-general.h (get_openacc_privatization_dump_flags): New
9394 * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
9395 * omp-offload.c (execute_oacc_device_lower)
9396 <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
9397 * target.def (goacc.adjust_private_decl): Add 'location_t'
9399 * doc/tm.texi: Regenerate.
9400 * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
9401 * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
9402 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
9403 Likewise. Preserve it for...
9404 (nvptx_goacc_expand_var_decl): ... use here.
9406 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9408 * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
9411 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9414 * omp-low.c (oacc_privatization_candidate_p): New function.
9415 (oacc_privatization_scan_clause_chain)
9416 (oacc_privatization_scan_decl_chain): Use it. Also
9417 'gcc_checking_assert' that we're not seeing duplicates.
9419 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9422 * omp-offload.c (execute_oacc_device_lower): Skip processing if no
9425 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9428 * omp-offload.c (execute_oacc_device_lower): Explain.
9430 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9433 * omp-offload.c (execute_oacc_device_lower)
9434 <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
9436 * internal-fn.c (expand_UNIQUE): Don't expect
9437 'IFN_UNIQUE_OACC_PRIVATE'.
9439 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9442 * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
9444 2021-05-21 Thomas Schwinge <thomas@codesourcery.com>
9447 * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
9448 (nvptx_goacc_expand_var_decl): Tighten.
9450 2021-05-21 Julian Brown <julian@codesourcery.com>
9451 Chung-Lin Tang <cltang@codesourcery.com>
9452 Thomas Schwinge <thomas@codesourcery.com>
9455 * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
9456 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
9457 * doc/tm.texi: Regenerate.
9458 * expr.c (expand_expr_real_1): Expand decls using the
9459 expand_var_decl OpenACC hook if defined.
9460 * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
9461 * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
9462 * omp-low.c (omp_context): Add oacc_privatization_candidates
9464 (lower_oacc_reductions): Add PRIVATE_MARKER parameter. Insert
9466 (lower_oacc_head_tail): Add PRIVATE_MARKER parameter. Modify
9467 private marker's gimple call arguments, and pass it to
9468 lower_oacc_reductions.
9469 (oacc_privatization_scan_clause_chain)
9470 (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
9472 (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
9473 * omp-offload.c (convert.h): Include.
9474 (oacc_loop_xform_head_tail): Treat private-variable markers like
9475 fork/join when transforming head/tail sequences.
9476 (struct var_decl_rewrite_info): Add struct.
9477 (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
9478 (execute_oacc_device_lower): Support rewriting gang-private
9479 variables using target hook, and fix up addr_expr and var_decl
9481 * target.def (adjust_private_decl, expand_var_decl): New hooks.
9482 * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
9484 (gcn_goacc_adjust_private_decl): ...this.
9485 * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
9487 (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
9488 * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
9489 definition using gcn_goacc_adjust_gangprivate_decl...
9490 (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
9491 gcn_goacc_adjust_private_decl.
9492 * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
9493 (gang_private_shared_size): New global variable.
9494 (gang_private_shared_align): Likewise.
9495 (gang_private_shared_sym): Likewise.
9496 (gang_private_shared_hmap): Likewise.
9497 (nvptx_option_override): Initialize these.
9498 (nvptx_file_end): Output gang_private_shared_sym.
9499 (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
9501 (nvptx_set_current_function): Clear gang_private_shared_hmap.
9502 (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
9503 (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
9505 2021-05-21 H.J. Lu <hjl.tools@gmail.com>
9507 * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
9509 2021-05-21 Richard Biener <rguenther@suse.de>
9510 H.J. Lu <hjl.tools@gmail.com>
9513 * expr.c (expand_constructor): Elide expand_constructor if
9514 move by pieces is preferred.
9516 2021-05-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9518 * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
9519 Take a flag and mode value as arguments.
9520 (aarch64_modifies_global_state_p): Likewise.
9521 (aarch64_reads_global_state_p): Likewise.
9522 (aarch64_could_trap_p): Likewise.
9523 (aarch64_get_attributes): Likewise.
9524 (aarch64_init_simd_builtins): Adjust callsite of above.
9525 (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
9526 function attributes to apply to builtins.
9527 (aarch64_init_crc32_builtins): Likewise.
9528 (aarch64_init_builtin_rsqrt): Likewise.
9530 2021-05-21 Aaron Sawdey <acsawdey@linux.ibm.com>
9532 * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
9533 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
9534 (gen_2logical): Use new fusion types.
9535 * config/rs6000/fusion.md: Regenerate.
9537 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
9540 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
9541 Handle V4QI and V2HI modes.
9542 (ix86_expand_sse_movcc): Ditto.
9543 * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
9544 New instruction pattern.
9545 (*eq<VI_32:mode>3): Ditto.
9546 (*gt<VI_32:mode>3): Ditto.
9547 (*xop_pcmov_<VI_32:mode>): Ditto.
9548 (mmx_pblendvb32): Ditto.
9549 (mmx_pblendvb64): Rename from mmx_pblendvb.
9550 (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
9551 (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
9552 (vcond<VI_32:mode><VI_32:mode>): Ditto.
9553 (vcondu<VI_32:mode><VI_32:mode>): Ditto.
9554 (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
9556 2021-05-21 Jakub Jelinek <jakub@redhat.com>
9558 PR tree-optimization/94589
9559 * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
9560 rhs2, treat x <= 4 equivalently to x < 5 etc. In cmp1 and cmp2 (if
9561 not the same as cmp3) treat <= the same as < and >= the same as >.
9562 Don't require that cond2_phi_edge is true edge, instead take
9563 false/true edges into account based on cmp1/cmp2 comparison kinds.
9565 2021-05-21 Uroš Bizjak <ubizjak@gmail.com>
9568 * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
9569 (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
9570 from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
9571 using SMAXMIN_MMXMODEI mode iterator.
9572 (*<smaxmin:code>v4qi3): New insn pattern.
9573 (*<smaxmin:code>v2hi3): Ditto.
9574 (SMAXMIN_VI_32): New mode iterator.
9575 (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
9576 (UMAXMIN_MMXMODEI): New mode iterator.
9577 (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
9578 from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
9579 using UMAXMIN_MMXMODEI mode iterator.
9580 (*<umaxmin:code>v4qi3): New insn pattern.
9581 (*<umaxmin:code>v2hi3): Ditto.
9582 (UMAXMIN_VI_32): New mode iterator.
9583 (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
9584 (abs<VI_32:mode>2): New insn pattern.
9585 (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
9586 * config/i386/sse.md: ... here.
9588 2021-05-20 Clement Chigot <clement.chigot@atos.net>
9589 David Edelsohn <dje.gcc@gmail.com>
9591 * collect2.c (scan_prog_file): Issue non-fatal warning for
9594 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
9596 * doc/invoke.texi (-Wno-c++11-extensions)
9597 (-Wno-c++14-extensions, -Wno-c++17-extensions)
9598 (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
9601 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
9603 * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
9604 * config/darwin.c (darwin_override_options): Likewise.
9605 * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
9606 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
9607 (DWARF2_FRAME_REG_OUT): Likewise.
9608 * config/mips/mips.c (mips_output_filename): Likewise.
9609 * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
9611 (rs6000_dbx_register_number): Likewise.
9612 * dbxout.c: Include flags.h.
9613 * dwarf2cfi.c (cfi_label_required_p): Likewise.
9614 (dwarf2out_do_frame): Likewise.
9615 * except.c: Include flags.h.
9616 * final.c (dwarf2_debug_info_emitted_p): Likewise.
9617 (final_scan_insn_1): Likewise.
9618 * flags.h (dwarf_debuginfo_p): New function declaration.
9619 * opts.c (dwarf_debuginfo_p): New function definition.
9620 * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
9621 * toplev.c (process_options): Likewise.
9623 2021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
9625 * common.opt: Change type to support bitmasks.
9626 * flag-types.h (enum debug_info_type): Rename enumerator constants.
9627 (NO_DEBUG): New bitmask.
9628 (DBX_DEBUG): Likewise.
9629 (DWARF2_DEBUG): Likewise.
9630 (XCOFF_DEBUG): Likewise.
9631 (VMS_DEBUG): Likewise.
9632 (VMS_AND_DWARF2_DEBUG): Likewise.
9633 * flags.h (debug_set_to_format): New function declaration.
9634 (debug_set_count): Likewise.
9635 (debug_set_names): Likewise.
9636 * opts.c (debug_type_masks): Array of bitmasks for debug formats.
9637 (debug_set_to_format): New function definition.
9638 (debug_set_count): Likewise.
9639 (debug_set_names): Likewise.
9640 (set_debug_level): Update access to debug_type_names.
9641 * toplev.c: Likewise.
9643 2021-05-20 Martin Sebor <msebor@redhat.com>
9645 PR middle-end/100684
9646 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
9648 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
9651 * config/i386/i386.md (isa): Remove x64_bmi.
9652 (enabled): Remove x64_bmi.
9653 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
9654 Remove general register alternative.
9655 (*andnot<VI_32:mode>3): Ditto.
9656 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
9657 (*<any_logic:code><VI_32:mode>3): Ditto.
9659 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
9661 * config/arm/arm.c: Include head files tree-vectorizer.h and
9664 2021-05-20 Uroš Bizjak <ubizjak@gmail.com>
9667 * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
9668 (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
9669 (<s>mulv4hi3_highpart): New expander.
9670 (*<s>mulv2hi3_highpart): New insn pattern.
9671 (<s>mulv2hi3_higpart): New expander.
9672 (*<any_shift:insn>v2hi3): New insn pattern.
9673 (<any_shift:insn>v2hi3): New expander.
9674 * config/i386/sse.md (smulhrsv2hi3): New expander.
9675 (*smulhrsv2hi3): New insn pattern.
9677 2021-05-20 Kewen Lin <linkw@linux.ibm.com>
9679 * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
9681 * params.opt (vect-inner-loop-cost-factor): New.
9682 * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
9683 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
9684 tree-vectorizer.h and its required ones.
9685 * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
9686 hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
9687 * config/arm/arm.c (arm_add_stmt_cost): Likewise.
9688 * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
9689 * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
9690 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9692 (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
9693 * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
9694 (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
9696 2021-05-20 Christophe Lyon <christophe.lyon@linaro.org>
9697 Torbjörn Svensson <torbjorn.svensson@st.com>
9700 * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
9702 2021-05-20 Jakub Jelinek <jakub@redhat.com>
9705 * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
9706 explicit linear clause when combined with target, make it map(tofrom:)
9707 instead of no clause or firstprivate.
9709 2021-05-20 Jakub Jelinek <jakub@redhat.com>
9711 PR tree-optimization/94589
9712 * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
9713 of integral conversions.
9715 2021-05-19 Andrew MacLeod <amacleod@redhat.com>
9717 * gimple-range.cc (fur_source::get_operand): New.
9718 (gimple_range_fold): Delete.
9719 (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
9720 (fold_using_range::range_of_range_op): Move from gimple_ranger.
9721 (fold_using_range::range_of_address): Ditto.
9722 (fold_using_range::range_of_phi): Ditto.
9723 (fold_using_range::range_of_call): Ditto.
9724 (fold_using_range::range_of_builtin_ubsan_call): Move from
9725 range_of_builtin_ubsan_call.
9726 (fold_using_range::range_of_builtin_call): Move from
9727 range_of_builtin_call.
9728 (gimple_ranger::range_of_builtin_call): Delete.
9729 (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
9730 (gimple_ranger::fold_range_internal): New.
9731 (gimple_ranger::range_of_stmt): Use new fold_using_range API.
9732 (fold_using_range::range_of_ssa_name_with_loop_info): Move from
9733 gimple_ranger. Improve ranges of SSA_NAMES when possible.
9734 * gimple-range.h (gimple_ranger): Remove various range_of routines.
9735 (class fur_source): New.
9736 (class fold_using_range): New.
9737 (fur_source::fur_source): New.
9739 * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
9740 instead of range_of_builtin_call.
9742 2021-05-19 Jonathan Wakely <jwakely@redhat.com>
9744 * doc/cpp.texi (Common Predefined Macros): Update documentation
9745 for the __GXX_EXPERIMENTAL_CXX0X__ macro.
9747 2021-05-19 Alex Coplan <alex.coplan@arm.com>
9750 * config/arm/arm.md (nonsecure_call_internal): Always ensure
9751 callee's address is in a register.
9753 2021-05-19 Geng Qi <gengqi@linux.alibaba.com>
9755 * common/config/riscv/riscv-common.c
9756 (riscv_subset_list::parsing_subset_version): Properly parse the letter
9758 (riscv_subset_list::parse_std_ext,
9759 riscv_subset_list::parse_multiletter_ext): To handle errors generated
9760 in riscv_subset_list::parsing_subset_version.
9762 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
9764 * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
9765 type attribute in patterns generating XTN(2).
9767 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
9769 * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
9770 Remove as duplicate of...
9771 (aarch64_xtn<mode>): This.
9772 (aarch64_xtn2<mode>_le): Move position in file.
9773 (aarch64_xtn2<mode>_be): Move position in file.
9774 (aarch64_xtn2<mode>): Move position in file.
9775 (vec_pack_trunc_<mode>): Define as an expander.
9777 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
9779 * config/aarch64/aarch64-simd-builtins.def: Split builtin
9780 generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
9781 separate scalar and vector generators.
9782 * config/aarch64/aarch64-simd.md
9783 (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
9785 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
9786 (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
9787 * config/aarch64/iterators.md: Define SD_HSDI iterator.
9789 2021-05-19 Jonathn Wright <jonathan.wright@arm.com>
9791 * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
9793 * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
9795 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
9797 * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
9798 Implement as an expand emitting a big/little endian
9799 instruction pattern.
9800 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
9801 (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
9803 2021-05-19 Jonathan Wright <jonathan.wright@arm.com>
9805 * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
9806 Implement as an expand emitting a big/little endian
9807 instruction pattern.
9808 (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
9809 (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
9810 * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
9811 UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
9813 2021-05-19 Richard Biener <rguenther@suse.de>
9815 PR middle-end/100672
9816 * fold-const.c (fold_negate_expr_1): Use element_precision.
9817 (negate_expr_p): Likewise.
9819 2021-05-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
9821 * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
9822 (pred_load): New int attribute.
9823 * config/aarch64/aarch64-sve.md
9824 (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
9825 SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
9826 * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
9827 code_for_aarch64_load.
9829 2021-05-19 Richard Biener <rguenther@suse.de>
9831 * cfgexpand.c (discover_nonconstant_array_refs_r): Make
9832 sure TARGET_MEM_REF bases are expanded as memory.
9833 * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
9834 Do not mark TARGET_MEM_REF bases addressable.
9835 * tree-ssa.c (non_rewritable_mem_ref_base): Handle
9836 TARGET_MEM_REF bases as never rewritable.
9837 * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
9838 walk TARGET_MEM_REF bases as address-takens.
9839 * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
9841 2021-05-19 Richard Biener <rguenther@suse.de>
9843 * builtins.c (get_object_alignment_1): Strip outer
9845 * tree-dfa.c (get_ref_base_and_extent): Handle outer
9846 WITH_SIZE_EXPR for size processing and process the
9848 * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
9849 outer WITH_SIZE_EXPR.
9850 (ao_ref_base_alias_ptr_type): Likewise.
9851 (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
9852 and handle that accordingly, stripping it for the
9854 * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
9855 looking through it instead of returning NULL.
9857 2021-05-19 Jakub Jelinek <jakub@redhat.com>
9859 PR middle-end/100576
9860 * builtins.c (check_read_access): Convert bound to size_type_node if
9863 2021-05-19 Richard Biener <rguenther@suse.de>
9865 * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
9866 (verify_types_in_gimple_reference): ... here. Sanitize.
9867 (verify_gimple_call): Verify references in LHS and arguments.
9868 (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
9870 2021-05-19 Uroš Bizjak <ubizjak@gmail.com>
9872 * config/i386/i386.h (VALID_INT_MODE_P):
9873 Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
9874 * config/i386/i386.md (isa): Add x64_bmi.
9875 (enabled): Handle x64_bmi.
9876 * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
9877 Add alternative using 64bit general registers.
9878 (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
9880 2021-05-19 Jakub Jelinek <jakub@redhat.com>
9883 * tree.h (OMP_MASTER_COMBINED): Define.
9884 * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
9885 handling for outer combined/composite constructs to a loop.
9886 Handle lastprivate on combined target.
9887 (gimplify_expr): Formatting fix.
9889 2021-05-19 Xionghu Luo <luoxhu@linux.ibm.com>
9891 * passes.def: Add sink_code pass before store_merging.
9892 * tree-ssa-sink.c (pass_sink_code:clone): New.
9894 2021-05-18 Bill Schmidt <wschmidt@linux.ibm.com>
9896 * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
9897 rs6000_special_adjust_field_align_p.
9898 * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
9899 * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
9901 (rs6000_function_arg): Likewise.
9902 * config/rs6000/rs6000-protos.h
9903 (rs6000_special_adjust_field_align_p): Remove prototype.
9904 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
9906 * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
9907 rs6000_special_adjust_field_align_p.
9909 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
9912 * config/i386/i386.h (VALID_SSE2_REG_MODE):
9913 Add V4QI and V2HI modes.
9914 (VALID_INT_MODE_P): Ditto.
9915 * config/i386/mmx.md (VI_32): New mode iterator.
9916 (mmxvecsize): Handle V4QI and V2HI.
9918 (mov<VI_32:mode>): New expander.
9919 (*mov<mode>_internal): New insn pattern.
9920 (movmisalign<VI_32:mode>): New expander.
9921 (neg<VI_32:mode>): New expander.
9922 (<plusminus:insn><VI_32:mode>3): New expander.
9923 (*<plusminus:insn><VI_32:mode>3): New insn pattern.
9924 (mulv2hi3): New expander.
9925 (*mulv2hi3): New insn pattern.
9926 (one_cmpl<VI_32:mode>2): New expander.
9927 (*andnot<VI_32:mode>3): New insn pattern.
9928 (<any_logic:code><VI_32:mode>3): New expander.
9929 (*<any_logic:code><VI_32:mode>3): New insn pattern.
9931 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
9933 * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
9934 Fix a mode mismatch with operand 1.
9936 2021-05-18 Uroš Bizjak <ubizjak@gmail.com>
9939 * config/i386/i386-expand.c (split_double_mode): Return
9940 temporary register when simplify_gen_subreg fails with
9941 the high half od the paradoxical subreg.
9943 2021-05-18 Richard Biener <rguenther@suse.de>
9945 * cfgexpand.c (expand_one_var): Pass in forced_stack_var
9946 and honor it when expanding.
9947 (expand_used_vars_for_block): Pass through forced_stack_var.
9948 (expand_used_vars): Likewise.
9949 (discover_nonconstant_array_refs_r): Set bits in
9950 forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
9951 (avoid_type_punning_on_regs): Likewise.
9952 (discover_nonconstant_array_refs): Likewise.
9953 (pass_expand::execute): Create and pass down forced_stack_var
9954 bitmap. For parameters and returns temporarily set
9955 TREE_ADDRESSABLE when expand_function_start.
9957 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
9959 * doc/sourcebuild.texi: Document 'dg-note'.
9961 2021-05-18 Tobias Burnus <tobias@codesourcery.com>
9964 * configure: Regenerate.
9965 * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
9967 2021-05-18 Thomas Schwinge <thomas@codesourcery.com>
9969 * gimple.h (is_gimple_omp_oacc): Tighten.
9970 * omp-low.c (check_omp_nesting_restrictions): Adjust.
9972 2021-05-18 Richard Biener <rguenther@suse.de>
9974 * tree-ssa-operands.c (mark_address_taken): Simplify.
9976 2021-05-18 Martin Liska <mliska@suse.cz>
9978 * config/gcn/mkoffload.c (STR): Redefine.
9979 * config/i386/intelmic-mkoffload.c (STR): Likewise.
9980 * config/nvptx/mkoffload.c (STR): Likewise.
9982 2021-05-18 Martin Liska <mliska@suse.cz>
9984 * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
9985 Use startswith function instead of strncmp.
9986 * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
9987 * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
9988 * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
9989 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
9990 * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
9991 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
9992 * config/arm/arm.c (arm_file_start): Likewise.
9993 (arm_valid_target_attribute_rec): Likewise.
9994 (thumb1_md_asm_adjust): Likewise.
9995 * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
9996 * config/avr/avr.c (STR_PREFIX_P): Likewise.
9997 (avr_set_current_function): Likewise.
9998 (avr_handle_addr_attribute): Likewise.
9999 (avr_asm_output_aligned_decl_common): Likewise.
10000 (avr_asm_named_section): Likewise.
10001 (avr_section_type_flags): Likewise.
10002 (avr_asm_select_section): Likewise.
10003 * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
10004 (c6x_section_type_flags): Likewise.
10005 * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
10006 (darwin_objc_declare_unresolved_class_reference): Likewise.
10007 (darwin_objc_declare_class_definition): Likewise.
10008 * config/darwin.c (indirect_data): Likewise.
10009 (darwin_encode_section_info): Likewise.
10010 (darwin_objc2_section): Likewise.
10011 (darwin_objc1_section): Likewise.
10012 (machopic_select_section): Likewise.
10013 (darwin_globalize_label): Likewise.
10014 (darwin_label_is_anonymous_local_objc_name): Likewise.
10015 (darwin_asm_named_section): Likewise.
10016 (darwin_asm_output_dwarf_offset): Likewise.
10017 * config/frv/frv.c (frv_string_begins_with): Likewise.
10018 (frv_in_small_data_p): Likewise.
10019 * config/gcn/mkoffload.c (STR): Likewise.
10021 * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
10022 * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
10023 * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
10024 (ix86_md_asm_adjust): Likewise.
10025 * config/i386/intelmic-mkoffload.c (STR): Likewise.
10026 * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
10027 (i386_pe_file_end): Likewise.
10028 * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
10029 (ia64_section_type_flags): Likewise.
10030 * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
10031 * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
10032 (mips16_stub_function_p): Likewise.
10033 (mips_function_rodata_section): Likewise.
10034 * config/msp430/msp430.c (msp430_mcu_name): Likewise.
10035 (msp430_function_section): Likewise.
10036 (msp430_section_type_flags): Likewise.
10037 (msp430_expand_helper): Likewise.
10038 * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
10039 (nios2_valid_target_attribute_rec): Likewise.
10040 * config/nvptx/mkoffload.c (process): Likewise.
10042 * config/pa/som.h: Likewise.
10043 * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
10044 * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
10045 * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
10046 (rs6000_inner_target_options): Likewise.
10047 * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
10048 * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
10049 * config/vax/vax.c (vax_output_int_move): Likewise.
10050 * config/vms/vms-ld.c (startswith): Likewise.
10051 (process_args): Likewise.
10053 * config/vms/vms.c: Likewise.
10055 2021-05-18 Jakub Jelinek <jakub@redhat.com>
10057 PR rtl-optimization/100590
10058 * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
10059 they are NONJUMP_INSN_P.
10061 2021-05-18 Jakub Jelinek <jakub@redhat.com>
10064 * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
10065 DECL_ASSEMBLER_NAME on the fn_decl.
10067 2021-05-18 Jakub Jelinek <jakub@redhat.com>
10069 PR tree-optimization/94589
10070 * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
10071 phi result used in (res & ~1) == 0 comparison as res >= 0 as
10072 res == 2 would be UB with -ffinite-math-only.
10074 2021-05-18 Martin Liska <mliska@suse.cz>
10076 * Makefile.in: genversion.o should depend on DATESTAMP.
10078 2021-05-18 Claudiu Zissulescu <claziss@synopsys.com>
10080 * config/arc/simdext.md (negv2si2): Remove round bracket.
10082 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
10084 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
10085 _Bool as macro expanding to _Bool.
10087 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
10090 * tree.c (build_reference_type_for_mode)
10091 (build_pointer_type_for_mode): Pick pointer mode if MODE argument
10093 (build_reference_type, build_pointer_type): Invoke
10094 build_*_type_for_mode with VOIDmode.
10096 2021-05-17 Andrew MacLeod <amacleod@redhat.com>
10098 PR tree-optimization/100512
10099 * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
10100 and non-zero pointer ranges as invariant.
10101 * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
10102 processing from here.
10104 2021-05-17 Tom de Vries <tdevries@suse.de>
10107 * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
10108 * config/nvptx/nvptx.c (nvptx_output_barrier)
10109 (nvptx_output_atomic_insn): New function.
10110 (nvptx_print_operand): Add support for 'B'.
10111 * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
10114 2021-05-17 Aldy Hernandez <aldyh@redhat.com>
10116 PR tree-optimization/100349
10117 * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
10120 2021-05-17 Tamar Christina <tamar.christina@arm.com>
10122 * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
10123 (host_detect_local_cpu): Use it.
10125 2021-05-17 Martin Liska <mliska@suse.cz>
10127 * doc/invoke.texi: Add 2 missing dots.
10129 2021-05-17 Marius Hillenbrand <mhillen@linux.ibm.com>
10131 PR bootstrap/100552
10132 * configure.ac: Replace pattern substitution with call to sed.
10133 * configure: Regenerate.
10135 2021-05-17 Richard Biener <rguenther@suse.de>
10137 PR middle-end/100582
10138 * tree.c (array_at_struct_end_p): Get to the base of the
10139 reference before looking for the underlying decl.
10141 2021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
10143 * genoutput.c (validate_insn_alternatives) Make "wrong number of
10144 alternatives" message more specific, and remove assumption on where
10147 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
10149 * config/arm/iterators.md (V16): New iterator.
10150 (VH_cvtto): New iterator.
10151 (v_cmp_result): Added V4HF and V8HF support.
10152 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
10153 (vcond<mode><mode>): Likewise.
10154 (vcond_mask_<mode><v_cmp_result>): Likewise.
10155 (vcond<VH_cvtto><mode>): New expander.
10157 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
10159 * config/arm/arm-protos.h (arm_expand_vector_compare): Update
10161 * config/arm/arm.c (arm_expand_vector_compare): Add support for
10163 (arm_expand_vcond): Likewise.
10164 * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
10165 VCMPEQQ_N_S, VCMPNEQ_N_S.
10166 (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
10167 * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
10168 (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
10169 (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
10170 (@mve_vpselq_<supf><mode>): Likewise.
10171 (@mve_vpselq_f<mode>"): Likewise.
10172 * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
10173 and move to vec-common.md.
10174 (vec_cmpu<mode><mode>): Likewise.
10175 (vcond<mode><mode>): Likewise.
10176 (vcond<V_cvtto><mode>): Likewise.
10177 (vcondu<mode><v_cmp_result>): Likewise.
10178 (vcond_mask_<mode><v_cmp_result>): Likewise.
10179 * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
10180 (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
10181 (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
10182 (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
10183 (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
10184 * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
10186 (vec_cmpu<mode><mode>): Likewise.
10187 (vcond<mode><mode>): Likewise.
10188 (vcond<V_cvtto><mode>): Likewise.
10189 (vcondu<mode><v_cmp_result>): Likewise.
10190 (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
10193 2021-05-17 liuhongt <hongtao.liu@intel.com>
10196 * config/i386/i386.c (ix86_gimple_fold_builtin): Use
10197 gsi_insert_seq_before instead.
10199 2021-05-17 Christophe Lyon <christophe.lyon@linaro.org>
10201 * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
10202 (arm_sat_ok): ...this.
10204 2021-05-17 Martin Liska <mliska@suse.cz>
10206 * lto-wrapper.c (merge_flto_options): Factor out a new function.
10207 (merge_and_complain): Use it.
10208 (run_gcc): Merge also linker command line -flto=foo argument
10211 2021-05-16 Christophe Lyon <christophe.lyon@linaro.org>
10213 * config/arm/arm.h (CPP_SPEC): Remove error message about
10214 -mlittle-endian/-mbig-endian conflict.
10216 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
10218 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
10219 __ROP_PROTECT__ if -mrop-protect is selected.
10221 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
10223 * config/rs6000/rs6000-internal.h (rs6000_stack): Add
10224 rop_hash_save_offset and rop_hash_size.
10225 * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
10226 rop_hash_size and rop_hash_save_offset.
10227 (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
10228 (rs6000_emit_prologue): Emit hashst[p] in prologue.
10229 (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
10230 * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
10232 (hashst): New define_insn.
10233 (hashchk): Likewise.
10235 2021-05-15 Bill Schmidt <wschmidt@linux.ibm.com>
10237 * config/rs6000/rs6000.c (rs6000_option_override_internal):
10238 Disable shrink wrap when inserting ROP-protect instructions.
10239 * config/rs6000/rs6000.opt (mrop-protect): New option.
10240 (mprivileged): Likewise.
10241 * doc/invoke.texi: Document mrop-protect and mprivileged.
10243 2021-05-15 Hans-Peter Nilsson <hp@axis.com>
10245 * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
10248 2021-05-15 Martin Jambor <mjambor@suse.cz>
10251 2021-05-13 Martin Jambor <mjambor@suse.cz>
10253 PR tree-optimization/100453
10254 * tree-sra.c (sra_modify_assign): All const base accesses do not
10255 need refreshing, not just those from decl_pool.
10256 (sra_modify_assign): Do not refresh into a const base decl.
10258 2021-05-15 Jakub Jelinek <jakub@redhat.com>
10260 PR rtl-optimization/100342
10261 * regcprop.c (copy_value): When copying a source reg in a wider
10262 mode than it has recorded for the value, adjust recorded destination
10263 mode too or punt if !REG_CAN_CHANGE_MODE_P.
10265 2021-05-14 Jason Merrill <jason@redhat.com>
10267 * intl.h: Add comments.
10269 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10271 * config/aarch64/aarch64-simd.md
10272 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
10273 (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
10274 (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
10275 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
10276 (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
10277 (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
10278 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
10279 (aarch64_sqdmlsl2_n<mode>_internal): ... This...
10280 (aarch64_sqdmlal2_n<mode>_internal): ... And this.
10282 2021-05-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10285 * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
10286 boolean logic equivalent.
10287 (vtst_s16): Likewise.
10288 (vtst_s32): Likewise.
10289 (vtst_u8): Likewise.
10290 (vtst_u16): Likewise.
10291 (vtst_u32): Likewise.
10292 (vtst_p8): Likewise.
10293 (vtst_p16): Likewise.
10294 (vtstq_s8): Likewise.
10295 (vtstq_s16): Likewise.
10296 (vtstq_s32): Likewise.
10297 (vtstq_u8): Likewise.
10298 (vtstq_u16): Likewise.
10299 (vtstq_u32): Likewise.
10300 (vtstq_p8): Likewise.
10301 (vtstq_p16): Likewise.
10302 * config/arm/arm_neon_builtins.def: Remove entry for vtst.
10303 * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
10305 2021-05-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10307 * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
10308 (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
10309 (aarch64_sqdmlsl2<mode>): Delete.
10310 (aarch64_sqdmlal2_lane<mode>): Merge this...
10311 (aarch64_sqdmlsl2_lane<mode>): ... And this...
10312 (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
10313 (aarch64_sqdmlal2_laneq<mode>): Merge this...
10314 (aarch64_sqdmlsl2_laneq<mode>): ... And this...
10315 (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
10316 (aarch64_sqdmlal2_n<mode>): Merge this...
10317 (aarch64_sqdmlsl2_n<mode>): ... And this...
10318 (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
10320 2021-05-13 Martin Sebor <msebor@redhat.com>
10322 PR middle-end/100574
10323 * builtins.c (access_ref::get_ref): Improve detection of PHIs with
10324 all null arguments.
10326 2021-05-13 Martin Sebor <msebor@redhat.com>
10328 PR tree-optimization/93100
10329 PR middle-end/98583
10330 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
10331 don't modify referenced objects.
10333 2021-05-13 Martin Jambor <mjambor@suse.cz>
10335 PR tree-optimization/100453
10336 * tree-sra.c (sra_modify_assign): All const base accesses do not
10337 need refreshing, not just those from decl_pool.
10338 (sra_modify_assign): Do not refresh into a const base decl.
10340 2021-05-13 Martin Liska <mliska@suse.cz>
10342 * tree-ssa-dom.c: Remove m_simplifier.
10344 2021-05-13 Richard Earnshaw <rearnsha@arm.com>
10347 * config/arm/arm.c (arm_canonicalize_comparison): Correctly
10348 canonicalize DImode inequality comparisons against the
10349 maximum integral value.
10351 2021-05-13 Jakub Jelinek <jakub@redhat.com>
10353 PR tree-optimization/98856
10354 * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
10355 Expect V2DI and V4DI arithmetic right shifts to be emulated.
10356 (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
10358 * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
10359 expand_vec_perm_2perm_pblendv): New functions.
10360 (ix86_expand_vec_perm_const_1): Use them.
10361 * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
10362 (<mask_codefor>ashr<mode>3<mask_name>): ... this.
10363 (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
10364 (ashrv4di3): New define_expand.
10365 (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
10366 and !TARGET_AVX512VL expansion.
10368 2021-05-13 Uroš Bizjak <ubizjak@gmail.com>
10371 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
10372 sizes < 16 to a register when constructing vpcmov pattern.
10373 * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
10375 2021-05-13 Martin Liska <mliska@suse.cz>
10377 * gcov-io.c (gcov_write_block): Remove.
10378 (gcov_write_words): Likewise.
10379 (gcov_read_words): Re-implement using gcov_read_bytes.
10380 (gcov_allocate): Remove.
10381 (GCOV_BLOCK_SIZE): Likewise.
10382 (struct gcov_var): Remove most of the fields.
10383 (gcov_position): Implement with ftell.
10384 (gcov_rewrite): Remove setting of start and offset fields.
10385 (from_file): Re-format.
10386 (gcov_open): Remove setbuf call. It should not be needed.
10387 (gcov_close): Remove internal buffer handling.
10388 (gcov_magic): Use __builtin_bswap32.
10389 (gcov_write_counter): Use directly gcov_write_unsigned.
10390 (gcov_write_string): Use direct fwrite and do not round
10392 (gcov_seek): Use directly fseek.
10393 (gcov_write_tag): Use gcov_write_unsigned directly.
10394 (gcov_write_length): Likewise.
10395 (gcov_write_tag_length): Likewise.
10396 (gcov_read_bytes): Use directly fread.
10397 (gcov_read_unsigned): Use gcov_read_words.
10398 (gcov_read_counter): Likewise.
10399 (gcov_read_string): Use gcov_read_bytes.
10400 * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
10401 that size is not in bytes, but words (4B).
10402 (GCOV_TAG_FUNCTION_LENGTH): Likewise.
10403 (GCOV_TAG_ARCS_LENGTH): Likewise.
10404 (GCOV_TAG_ARCS_NUM): Likewise.
10405 (GCOV_TAG_COUNTER_LENGTH): Likewise.
10406 (GCOV_TAG_COUNTER_NUM): Likewise.
10407 (GCOV_TAG_SUMMARY_LENGTH): Likewise.
10409 2021-05-13 liuhongt <hongtao.liu@intel.com>
10412 * config/i386/sse.md (ssedoublevecmode): Add attribute for
10413 V64QI/V32HI/V16SI/V4DI.
10414 (ssehalfvecmode): Add attribute for V2DI/V2DF.
10415 (*vec_concatv4si_0): Extend to VI124_128.
10416 (*vec_concat<mode>_0): New pre-reload splitter.
10417 * config/i386/predicates.md (movq_parallel): New predicate.
10419 2021-05-13 Alexandre Oliva <oliva@adacore.com>
10421 * targhooks.c (default_zero_call_used_regs): Retry using
10422 successfully-zeroed registers as sources.
10424 2021-05-12 Tobias Burnus <tobias@codesourcery.com>
10426 * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
10428 2021-05-12 Aldy Hernandez <aldyh@redhat.com>
10431 * gimple-range.cc (range_of_builtin_call): Skip out on
10432 processing __builtin_clz when varying.
10434 2021-05-12 Tom de Vries <tdevries@suse.de>
10437 * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
10438 * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
10439 to ptx_version_option.
10440 * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
10441 * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
10442 (define_insn "nvptx_vote_ballot"): Use sync variant for
10444 * config/nvptx/nvptx.opt (ptx_version): Add enum.
10445 (mptx): Add option.
10446 * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
10448 2021-05-12 Richard Biener <rguenther@suse.de>
10450 PR tree-optimization/100566
10451 * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
10452 allow_back for all edge queries.
10454 2021-05-12 liuhongt <hongtao.liu@intel.com>
10457 * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
10458 splitters for pblendvb of NOT mask register.
10460 2021-05-12 Richard Biener <rguenther@suse.de>
10462 PR tree-optimization/100519
10463 * tree-ssa-reassoc.c (can_associate_p): Split into...
10464 (can_associate_op_p): ... this
10465 (can_associate_type_p): ... and this.
10466 (is_reassociable_op): Call can_associate_op_p.
10467 (break_up_subtract_bb): Call the appropriate predicates.
10468 (reassociate_bb): Likewise.
10470 2021-05-12 Martin Liska <mliska@suse.cz>
10472 * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
10473 (run_gcc): Use -flto argument detection for merged
10476 2021-05-12 Martin Liska <mliska@suse.cz>
10478 * lto-wrapper.c (print_lto_docs_link): New function.
10479 (run_gcc): Print warning about missing job server detection
10480 after we know NR of partitions. Do the same for -flto{,=1}.
10481 * opts.c (get_option_html_page): Support -flto option.
10483 2021-05-12 Martin Liska <mliska@suse.cz>
10485 * lto-wrapper.c (get_options_from_collect_gcc_options): Change
10487 (append_option): Remove.
10488 (find_option): Rework to use the vector type.
10489 (remove_option): Remove.
10490 (merge_and_complain): Use vectors for cl_decoded_option data
10492 (append_compiler_options): Likewise.
10493 (append_diag_options): Likewise.
10494 (append_linker_options): Likewise.
10495 (append_offload_options): Likewise.
10496 (compile_offload_image): Likewise.
10497 (compile_images_for_offload_targets): Likewise.
10498 (find_and_merge_options): Likewise.
10499 (run_gcc): Likewise.
10501 2021-05-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
10504 * dwarf2out.c (dwarf2out_finish): Set
10505 have_multiple_function_sections with multi-range text_section.
10507 2021-05-12 Martin Liska <mliska@suse.cz>
10509 PR bootstrap/100560
10510 * Makefile.in: Remove version.h from linker command line.
10512 2021-05-12 Richard Biener <rguenther@suse.de>
10514 PR middle-end/100547
10515 * rtl.h (rtvec_alloc): Make argument size_t.
10516 * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
10518 2021-05-12 Jakub Jelinek <jakub@redhat.com>
10520 PR middle-end/100508
10521 * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
10522 type, don't reuse DECL_RTL if it has different mode, instead force
10523 creation of a new DEBUG_EXPR.
10525 2021-05-12 Jakub Jelinek <jakub@redhat.com>
10526 Marc Glisse <marc.glisse@inria.fr>
10528 PR tree-optimization/94589
10529 * match.pd ((X & Y) == X -> (X & ~Y) == 0,
10530 (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
10532 2021-05-12 Uroš Bizjak <ubizjak@gmail.com>
10535 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
10536 * config/i386/mmx.md (MMXMODE124): New mode iterator.
10538 (mmxintvecmode): New mode attribute.
10539 (mmxintvecmodelower): Ditto.
10540 (*mmx_maskcmpv2sf3_comm): New insn pattern.
10541 (*mmx_maskcmpv2sf3): Ditto.
10542 (vec_cmpv2sfv2si): New expander.
10543 (vcond<V2FI:mode>v2si): Ditto.
10544 (mmx_vlendvps): New insn pattern.
10545 (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
10546 (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
10547 (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
10549 2021-05-11 Martin Sebor <msebor@redhat.com>
10551 PR middle-end/21433
10552 * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
10554 2021-05-11 Richard Biener <rguenther@suse.de>
10556 * gimple-fold.c (gimple_fold_call): Do not call
10557 maybe_fold_reference on call arguments or the static chain.
10558 (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
10561 2021-05-11 Martin Liska <mliska@suse.cz>
10563 * builtins.def (DEF_HSAIL_BUILTIN): Remove.
10564 (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
10565 (DEF_HSAIL_SAT_BUILTIN): Likewise.
10566 (DEF_HSAIL_INTR_BUILTIN): Likewise.
10567 (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
10568 * doc/frontends.texi: Remove BRIG.
10569 * doc/install.texi: Likewise.
10570 * doc/invoke.texi: Likewise.
10571 * doc/standards.texi: Likewise.
10572 * brig-builtins.def: Removed.
10573 * brig/ChangeLog: Removed.
10574 * brig/Make-lang.in: Removed.
10575 * brig/brig-builtins.h: Removed.
10576 * brig/brig-c.h: Removed.
10577 * brig/brig-lang.c: Removed.
10578 * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
10579 * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
10580 * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
10581 * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
10582 * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
10583 * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
10584 * brig/brigfrontend/brig-code-entry-handler.h: Removed.
10585 * brig/brigfrontend/brig-comment-handler.cc: Removed.
10586 * brig/brigfrontend/brig-control-handler.cc: Removed.
10587 * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
10588 * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
10589 * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
10590 * brig/brigfrontend/brig-function-handler.cc: Removed.
10591 * brig/brigfrontend/brig-function.cc: Removed.
10592 * brig/brigfrontend/brig-function.h: Removed.
10593 * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
10594 * brig/brigfrontend/brig-label-handler.cc: Removed.
10595 * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
10596 * brig/brigfrontend/brig-machine.c: Removed.
10597 * brig/brigfrontend/brig-machine.h: Removed.
10598 * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
10599 * brig/brigfrontend/brig-module-handler.cc: Removed.
10600 * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
10601 * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
10602 * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
10603 * brig/brigfrontend/brig-to-generic.cc: Removed.
10604 * brig/brigfrontend/brig-to-generic.h: Removed.
10605 * brig/brigfrontend/brig-util.cc: Removed.
10606 * brig/brigfrontend/brig-util.h: Removed.
10607 * brig/brigfrontend/brig-variable-handler.cc: Removed.
10608 * brig/brigfrontend/hsa-brig-format.h: Removed.
10609 * brig/brigfrontend/phsa.h: Removed.
10610 * brig/brigspec.c: Removed.
10611 * brig/config-lang.in: Removed.
10612 * brig/gccbrig.texi: Removed.
10613 * brig/lang-specs.h: Removed.
10614 * brig/lang.opt: Removed.
10616 2021-05-11 Richard Biener <rguenther@suse.de>
10619 * ipa-param-manipulation.c
10620 (ipa_param_body_adjustments::modify_call_stmt): Avoid
10621 altering SSA_NAME_DEF_STMT by adjusting the calls LHS
10622 via gimple_call_lhs_ptr.
10624 2021-05-11 Alex Coplan <alex.coplan@arm.com>
10627 * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
10628 Avoid emitting CFA adjusts on the sp if we have the fp.
10630 2021-05-11 Richard Sandiford <richard.sandiford@arm.com>
10632 * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
10633 (VMULD): New iterator.
10634 (VCOND): Handle V4HF and V8HF.
10635 (VCONQ): Fix entry for V2SF.
10636 * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
10637 instead of VMUL. Use a 64-bit vector mode for the indexed operand.
10638 (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
10639 (mul_laneq<mode>3): ...this define_insn. Use VMUL instead of VDQSF.
10640 Use a 128-bit vector mode for the indexed operand. Use stype for
10641 the scheduling type.
10643 2021-05-11 Richard Biener <rguenther@suse.de>
10645 * gimple-fold.c (maybe_fold_reference): Only return
10646 is_gimple_min_invariant values.
10648 2021-05-11 Richard Biener <rguenther@suse.de>
10650 PR middle-end/100509
10651 * gimple-fold.c (fold_gimple_assign): Only call
10652 get_symbol_constant_value on register type symbols.
10654 2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
10655 Joe Ramsay <joe.ramsay@arm.com>
10658 * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
10659 (__arm_vcmpneq): Remove duplicate definition.
10660 (__arm_vstrwq_scatter_offset_p): Likewise.
10661 (__arm_vmaxq_x): Likewise.
10662 (__arm_vmlsdavaq): Likewise.
10663 (__arm_vmlsdavaxq): Likewise.
10664 (__arm_vmlsdavq_p): Likewise.
10665 (__arm_vmlsdavxq_p): Likewise.
10666 (__arm_vrmlaldavhaq): Likewise.
10667 (__arm_vstrbq_p): Likewise.
10668 (__arm_vstrbq_scatter_offset): Likewise.
10669 (__arm_vstrbq_scatter_offset_p): Likewise.
10670 (__arm_vstrdq_scatter_offset): Likewise.
10671 (__arm_vstrdq_scatter_offset_p): Likewise.
10672 (__arm_vstrdq_scatter_shifted_offset): Likewise.
10673 (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
10675 2021-05-11 Jakub Jelinek <jakub@redhat.com>
10677 PR middle-end/100471
10678 * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
10679 is 0, bypass the reduction loop including
10680 GOMP_taskgroup_reduction_unregister call.
10682 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
10684 * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
10685 costing_for_scalar.
10686 (rs6000_density_test): Early return if costing_for_scalar is true.
10687 (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
10689 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
10691 * doc/tm.texi: Regenerated.
10692 * target.def (init_cost): Add new parameter costing_for_scalar.
10693 * targhooks.c (default_init_cost): Adjust for new parameter.
10694 * targhooks.h (default_init_cost): Likewise.
10695 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
10696 (vect_compute_single_scalar_iteration_cost): Likewise.
10697 (vect_analyze_loop_2): Likewise.
10698 * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
10699 (vect_bb_vectorization_profitable_p): Likewise.
10700 * tree-vectorizer.h (init_cost): Likewise.
10701 * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
10702 * config/i386/i386.c (ix86_init_cost): Likewise.
10703 * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
10705 2021-05-11 Kewen Lin <linkw@linux.ibm.com>
10707 * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
10708 vect_nonmem and moved into...
10709 (struct rs6000_cost_data): ...here.
10710 (rs6000_init_cost): Use vect_nonmem of cost_data instead.
10711 (rs6000_add_stmt_cost): Likewise.
10712 (rs6000_finish_cost): Likewise.
10714 2021-05-10 Eric Botcazou <ebotcazou@adacore.com>
10716 * range-op.cc (get_bool_state): Adjust head comment.
10717 (operator_not_equal::op1_range): Fix comment.
10718 (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
10720 2021-05-10 Martin Sebor <msebor@redhat.com>
10722 PR middle-end/100425
10723 PR middle-end/100510
10724 * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
10725 (pass_walloca::xlimit_certain_p): ...to this.
10726 (pass_walloca::gate): Execute for any kind of handled warning.
10727 (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
10728 warnings when xlimit_certain_p is set.
10730 2021-05-10 Pat Haugen <pthaugen@linux.ibm.com>
10732 * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
10733 Return ALTIVEC_REGS if that is best_class.
10734 (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
10736 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10738 * config/arm/arm.h (CPP_SPEC): Remove error message about
10741 2021-05-10 Martin Jambor <mjambor@suse.cz>
10743 * ipa-prop.h (IPA_NODE_REF): Removed.
10744 (IPA_NODE_REF_GET_CREATE): Likewise.
10745 (IPA_EDGE_REF): Likewise.
10746 (IPA_EDGE_REF_GET_CREATE): Likewise.
10747 (IS_VALID_JUMP_FUNC_INDEX): Likewise.
10748 * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
10749 use of ipa_node_params_sum.
10750 (ipcp_versionable_function_p): Likewise.
10751 (push_node_to_stack): Likewise.
10752 (pop_node_from_stack): Likewise.
10753 (set_single_call_flag): Replaced two IPA_NODE_REF with one single
10754 direct use of ipa_node_params_sum.
10755 (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
10756 ipa_node_params_sum.
10757 (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
10759 (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
10760 use of ipa_node_params_sum.
10761 (self_recursively_generated_p): Likewise.
10762 (propagate_scalar_across_jump_function): Likewise.
10763 (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
10764 direct use of ipa_edge_args_sum, moved the lookup after the early
10765 exit. Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
10766 (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
10767 direct uses of ipa_node_params_sum.
10768 (propagate_vr_across_jump_function): Likewise.
10769 (propagate_aggregate_lattice): Likewise.
10770 (propagate_aggs_across_jump_function): Likewise.
10771 (propagate_constants_across_call): Likewise, also replaced
10772 IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
10773 (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
10774 of ipa_node_params_sum.
10775 (estimate_local_effects): Likewise.
10776 (add_all_node_vals_to_toposort): Likewise.
10777 (propagate_constants_topo): Likewise.
10778 (ipcp_propagate_stage): Likewise.
10779 (ipcp_discover_new_direct_edges): Likewise.
10780 (calls_same_node_or_its_all_contexts_clone_p): Likewise.
10781 (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
10782 (get_info_about_necessary_edges): Likewise.
10783 (want_remove_some_param_p): Likewise.
10784 (create_specialized_node): Likewise.
10785 (self_recursive_pass_through_p): Likewise.
10786 (self_recursive_agg_pass_through_p): Likewise.
10787 (find_more_scalar_values_for_callers_subset): Likewise and also
10788 replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
10789 case replacing two of those with a single query.
10790 (find_more_contexts_for_caller_subset): Likewise for the
10791 ipa_polymorphic_call_context overload.
10792 (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
10793 use of ipa_edge_args_sum. Replaced IPA_NODE_REF with direct uses of
10794 ipa_node_params_sum.
10795 (find_aggregate_values_for_callers_subset): Likewise, also reusing
10796 results of ipa_edge_args_sum->get.
10797 (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
10798 direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
10799 direct use of ipa_edge_args_sum.
10800 (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
10801 summary query after the early exit and reused the result later.
10802 (decide_about_value): Replaced IPA_NODE_REF with a direct use of
10803 ipa_node_params_sum.
10804 (decide_whether_version_node): Likewise. Removed re-querying for
10805 summaries after cloning.
10806 (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
10807 ipa_node_params_sum.
10808 (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
10810 (identify_dead_nodes): Likewise.
10811 (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
10812 ipa_node_params_sum.
10813 (ipcp_store_vr_results): Likewise.
10814 * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
10815 (ipa_fn_summary_t::duplicate): Likewise.
10816 (analyze_function_body): Likewise.
10817 (estimate_calls_size_and_time): Likewise.
10818 (ipa_cached_call_context::duplicate_from): Likewise.
10819 (ipa_call_context::equal_to): Likewise.
10820 (remap_edge_params): Likewise.
10821 (ipa_merge_fn_summary_after_inlining): Likewise.
10822 (inline_read_section): Likewise.
10823 * ipa-icf.c (sem_function::param_used_p): Likewise.
10824 * ipa-modref.c (compute_parm_map): Likewise.
10825 (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
10827 (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
10828 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
10830 * ipa-profile.c (check_argument_count): Likewise.
10831 * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
10832 with a direct use of ipa_node_params_sum.
10833 (ipa_initialize_node_params): Likewise.
10834 (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
10835 direct use of ipa_edge_args_sum and reused the query result.
10836 (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
10837 direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
10838 direct use of ipa_edge_args_sum.
10839 (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
10840 ipa_node_params_sum and reused the result of the query.
10841 (ipa_analyze_node): Likewise.
10842 (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
10843 of ipa_node_params_sum.
10844 (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
10845 direct uses of ipa_edge_args_sum.
10846 (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
10847 direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
10848 direct use of ipa_edge_args_sum. Removed superficial re-querying the
10850 (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
10851 ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
10853 (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
10854 direct use of ipa_edge_args_sum.
10855 (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
10856 use of ipa_node_params_sum.
10857 (ipa_print_node_params): Likewise.
10858 (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
10859 direct uses of ipa_edge_args_sum.
10860 (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
10862 (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
10863 ipa_node_params_sum.
10864 (ipa_prop_write_jump_functions): Likewise. Move variable node to the
10865 scopes where it is used.
10867 2021-05-10 Uroš Bizjak <ubizjak@gmail.com>
10869 * config/i386/i386-expand.c (ix86_expand_sse_movcc)
10870 <case E_V2SImode>: Force op_true to register.
10872 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10874 * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
10875 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
10876 (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
10878 (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
10879 (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
10880 (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
10881 (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
10882 (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
10883 (mve_vcmpneq_n_f<mode>): Remove.
10884 * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
10885 (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
10886 (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
10888 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10890 * config/arm/iterators.md (MVE_COMPARISONS): New.
10892 (mve_cmp_type): New.
10893 * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
10895 (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
10896 (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
10897 (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
10898 (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
10899 (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
10900 (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
10901 (mve_vcmpneq_n_<mode>): Remove.
10903 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10905 * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
10906 * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
10907 * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
10910 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10912 * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
10913 (vcmpneq_n_u): Likewise.
10914 (vcmpeqq_u,): Likewise.
10915 (vcmpeqq_n_u): Likewise.
10916 * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
10917 VCMPEQQ_N_U and VCMPNEQ_N_U.
10918 * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
10919 (mve_vcmpeqq_n): Likewise.
10920 (mve_vcmpeqq): Likewise.
10921 (mve_vcmpneq_n): Likewise.
10923 2021-05-10 Christophe Lyon <christophe.lyon@linaro.org>
10925 * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
10926 the 's' version of the builtin.
10928 2021-05-10 Richard Biener <rguenther@suse.de>
10930 PR tree-optimization/100492
10931 * tree-loop-distribution.c (find_seed_stmts_for_distribution):
10932 Find nothing when the loop contains an irreducible region.
10934 2021-05-10 Richard Biener <rguenther@suse.de>
10936 PR middle-end/100464
10938 * gimple-fold.c (canonicalize_constructor_val): Do not set
10941 2021-05-10 Richard Biener <rguenther@suse.de>
10943 PR tree-optimization/100434
10944 * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
10946 (dse_optimize_stmt): Handle call LHS by dropping the
10947 LHS or the whole call if it doesn't have other
10949 (pass_dse::execute): Adjust.
10951 2021-05-10 Martin Liska <mliska@suse.cz>
10953 * Makefile.in: Add missing genversion rule.
10955 2021-05-10 Alex Coplan <alex.coplan@arm.com>
10958 * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
10959 vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
10961 2021-05-10 Martin Liska <mliska@suse.cz>
10963 * builtins.c (is_builtin_name): Use startswith
10964 function instead of strncmp.
10965 * collect2.c (main): Likewise.
10966 (has_lto_section): Likewise.
10967 (scan_libraries): Likewise.
10968 * coverage.c (coverage_checksum_string): Likewise.
10969 (coverage_init): Likewise.
10970 * dwarf2out.c (is_cxx): Likewise.
10971 (gen_compile_unit_die): Likewise.
10972 * gcc-ar.c (main): Likewise.
10973 * gcc.c (init_spec): Likewise.
10974 (read_specs): Likewise.
10975 (execute): Likewise.
10976 (check_live_switch): Likewise.
10977 * genattrtab.c (write_attr_case): Likewise.
10978 (IS_ATTR_GROUP): Likewise.
10979 * gencfn-macros.c (main): Likewise.
10980 * gengtype.c (type_for_name): Likewise.
10981 (gen_rtx_next): Likewise.
10982 (get_file_langdir): Likewise.
10983 (write_local): Likewise.
10984 * genmatch.c (get_operator): Likewise.
10985 (get_operand_type): Likewise.
10986 (expr::gen_transform): Likewise.
10987 * genoutput.c (validate_optab_operands): Likewise.
10988 * incpath.c (add_sysroot_to_chain): Likewise.
10989 * langhooks.c (lang_GNU_C): Likewise.
10990 (lang_GNU_CXX): Likewise.
10991 (lang_GNU_Fortran): Likewise.
10992 (lang_GNU_OBJC): Likewise.
10993 * lto-wrapper.c (run_gcc): Likewise.
10994 * omp-general.c (omp_max_simt_vf): Likewise.
10995 * omp-low.c (omp_runtime_api_call): Likewise.
10996 * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
10997 * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
10998 * real.c (real_from_string): Likewise.
10999 * selftest.c (assert_str_startswith): Likewise.
11000 * timevar.c (timer::validate_phases): Likewise.
11001 * tree.c (get_file_function_name): Likewise.
11002 * ubsan.c (ubsan_use_new_style_p): Likewise.
11003 * varasm.c (default_function_rodata_section): Likewise.
11004 (incorporeal_function_p): Likewise.
11005 (default_section_type_flags): Likewise.
11006 * system.h (startswith): Define startswith.
11008 2021-05-10 Martin Liska <mliska@suse.cz>
11010 * bitmap.h (class auto_bitmap): Remove
11011 __cplusplus >= 201103.
11012 * config/aarch64/aarch64.c: Likewise.
11013 * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
11015 * sbitmap.h: Likewise.
11017 2021-05-10 Martin Liska <mliska@suse.cz>
11019 * Makefile.in: Rename gcov-iov to genversion and depend
11020 on version.h (instead of gcov-iov.h).
11021 * gcov-io.h: Include version.h instread of gcov-iov.h.
11022 * gengtype-state.c (read_state_version): Likewise.
11023 * gcov-iov.c: Moved to...
11024 * genversion.c: ...here.
11025 * lto-streamer.h (LTO_major_version): Define it with
11027 * version.c: Removed.
11028 * version.h: Removed.
11030 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11032 * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
11033 * config/arc/simdext.md (VCT): Add predicates for iterator
11036 (voptab): Likewise.
11037 (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
11038 (<voptab>v2si3): New patterns.
11040 (reduc_plus_scal_v4hi): Likewise.
11041 (reduc_plus_scal_v2si): Likewise.
11042 (vec_duplicatev2si): Likewise.
11043 (vec_duplicatev4hi): Likewise.
11045 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11047 * config/arc/simdext.md: Format and cleanup file.
11049 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11051 * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
11052 only when munaligned-access option is on.
11053 (movmisalign<mode>): Likewise.
11055 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11057 * common/config/arc/arc-common.c (arc_handle_option): Remove dot
11059 * config/arc/arc.c (arc_reorg): Remove underscore from string.
11061 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11063 * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11064 (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
11065 * config/arc/arc.md (clrsbsi2): Cleanup pattern.
11066 (norm_f): Likewise.
11069 (clzsi2): Use fls instruction when available.
11070 (arc_clzsi2): Likewise.
11072 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11074 * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
11076 2021-05-10 Claudiu Zissulescu <claziss@synopsys.com>
11078 * doc/extend.texi (__builtin_arc_sr): Swap arguments.
11080 2021-05-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
11082 PR middle-end/100467
11083 * toplev.c (compile_file): Call insn_locations_init before
11084 targetm.asm_out.code_end.
11086 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
11089 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
11091 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
11093 2021-05-07 Jakub Jelinek <jakub@redhat.com>
11094 Andrew Stubbs <amd@codesourcery.com>
11097 * builtins.c (try_store_by_multiple_pieces): Use force_operand for
11098 emit_move_insn operands.
11100 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
11102 * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
11103 location for the outgoing edges of an empty block.
11104 * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
11105 type by means of the get_array_descr_info langhook, if it is set and
11106 returns true. Remove obsolete code dealing with unnamed subtypes.
11108 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11110 * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
11111 (sbr_vector): Renamed from ssa_block_cache.
11112 (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
11113 (ssa_block_ranges::~ssa_block_ranges): Remove.
11114 (sbr_vector::set_bb_range): Use varying and undefined cached values.
11115 (ssa_block_ranges::set_bb_varying): Remove.
11116 (sbr_vector::get_bb_range): Adjust assert.
11117 (sbr_vector::bb_range_p): Adjust assert.
11118 (~block_range_cache): No freeing loop required.
11119 (block_range_cache::get_block_ranges): Remove.
11120 (block_range_cache::set_bb_range): Inline get_block_ranges.
11121 (block_range_cache::set_bb_varying): Remove.
11122 * gimple-range-cache.h (set_bb_varying): Remove prototype.
11123 * value-range.h (irange_allocator::get_memory): New.
11125 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11127 * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
11128 dominator tree is available and requested.
11129 (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
11130 (ranger_cache::fill_block_cache): Don't search dom tree here either.
11131 * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
11133 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11135 * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
11136 only PHI nodes better.
11138 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11140 * gimple-range-edge.h (gimple_outgoing_range): Rename from
11142 (gcond_edge_range): Export prototype.
11143 * gimple-range-edge.cc (gcond_edge_range): New.
11144 (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
11145 * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
11147 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11149 * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
11150 default range into a temp and allocate only what is needed.
11152 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11154 * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
11156 2021-05-07 Andrew MacLeod <amacleod@redhat.com>
11158 * gimple-range.h (gimple_range_global): Pick up parameter initial
11159 values, and use-before defined locals are UNDEFINED.
11161 2021-05-07 Eric Botcazou <ebotcazou@adacore.com>
11163 * doc/extend.texi (scalar_storage_order): Mention effect on pointer
11165 * tree.h (reverse_storage_order_for_component_p): Return false if
11166 the type is a pointer.
11168 2021-05-07 Andrew Stubbs <ams@codesourcery.com>
11170 * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
11172 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
11175 * config/i386/i386-expand.c (ix86_expand_sse_movcc):
11176 Handle V8QI, V4HI and V2SI modes.
11177 * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
11178 * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
11179 * config/i386/i386.md (unspec): ... here.
11181 2021-05-07 Tobias Burnus <tobias@codesourcery.com>
11182 Tom de Vries <tdevries@suse.de>
11184 * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
11185 a truth_value_p reduction variable is nonintegral.
11187 2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
11190 * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
11191 Return false for mode sizes < 16.
11193 2021-05-07 Jakub Jelinek <jakub@redhat.com>
11196 * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
11198 2021-05-06 Martin Jambor <mjambor@suse.cz>
11200 * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
11201 when there is no function summary.
11202 (ipa_sra_summarize_function): produce edge summaries even when
11205 2021-05-06 Tom Tromey <tom@tromey.com>
11207 * godump.c (string_hash_eq): Remove.
11208 (go_finish): Use htab_eq_string.
11210 2021-05-06 Tom Tromey <tom@tromey.com>
11212 * gengtype-state.c (read_state): Use htab_eq_string.
11213 (string_eq): Remove.
11215 2021-05-06 Tom Tromey <tom@tromey.com>
11217 * gensupport.c (htab_eq_string): Remove.
11219 2021-05-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
11222 * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
11223 * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
11224 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
11225 set_ignored_loc callbacks.
11226 * debug.c (do_nothing_debug_hooks): Likewise.
11227 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
11228 * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
11229 (in_text_section_p, last_text_label, last_cold_label,
11230 switch_text_ranges, switch_cold_ranges): New data items.
11231 (dwarf2out_note_section_used): Remove.
11232 (dwarf2out_begin_prologue): Set fde->ignored_debug and
11234 (mark_ignored_debug_section): New helper function.
11235 (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
11236 mark_ignored_debug_section.
11237 (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
11238 (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
11239 (size_of_aranges): Adjust formula for multi-part text ranges size.
11240 (output_aranges): Output multi-part text ranges.
11241 (dwarf2out_set_ignored_loc): New callback function.
11242 (dwarf2out_finish): Output multi-part text ranges.
11243 (dwarf2out_c_finalize): Clear new data items.
11244 * final.c (final_start_function_1): Call set_ignored_loc callback.
11245 (final_scan_insn_1): Likewise.
11246 * ggc-page.c (gt_ggc_mx): New helper function.
11247 * stringpool.c (gt_pch_nx): Likewise.
11249 2021-05-06 Richard Biener <rguenther@suse.de>
11251 * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
11252 (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
11253 (TV_TREE_INTO_SSA): New.
11254 * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
11255 (rewrite_blocks): Likewise.
11256 (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
11258 2021-05-06 Jakub Jelinek <jakub@redhat.com>
11260 * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
11261 abs_replacement, xor_replacement,
11262 cond_removal_in_popcount_clz_ctz_pattern,
11263 replace_phi_edge_with_variable): Change type of phi argument from
11264 gimple * to gphi *.
11266 2021-05-06 Richard Biener <rguenther@suse.de>
11268 * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
11269 Output an opt-info message.
11270 (do_split_loop_on_cond): Likewise.
11271 (tree_ssa_split_loops): Update SSA form here.
11273 2021-05-06 Richard Biener <rguenther@suse.de>
11275 * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
11276 return variable removal.
11278 2021-05-06 Marius Hillenbrand <mhillen@linux.ibm.com>
11280 * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
11281 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
11282 (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
11284 * config/s390/s390.c (s390_const_operand_ok): Remove unused
11287 2021-05-06 Jakub Jelinek <jakub@redhat.com>
11289 PR tree-optimization/94589
11290 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
11291 spaceship_replacement.
11292 (cond_only_block_p, spaceship_replacement): New functions.
11294 2021-05-06 Richard Biener <rguenther@suse.de>
11297 * tree-emutls.c (gen_emutls_addr): Pass in whether we're
11298 dealing with a debug use and only query existing addresses
11300 (lower_emutls_1): Avoid splitting out addresses for debug
11301 stmts, reset the debug stmt when we fail to find existing
11303 (lower_emutls_phi_arg): Set wi.stmt.
11305 2021-05-06 Christoph Muellner <cmuellner@gcc.gnu.org>
11308 * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
11309 * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
11310 (stack_protect_test): Use cbranch helper.
11312 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
11315 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11316 always return the establisher frame for __builtin_frame_address (0).
11318 2021-05-05 Ivan Sorokin <vanyacpp@gmail.com>
11321 * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
11322 (ix86_cpu_model_var): Likewise.
11323 (ix86_cpu_features2_type_node): Likewise.
11324 (ix86_cpu_features2_var): Likewise.
11325 (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
11328 2021-05-05 Martin Sebor <msebor@redhat.com>
11330 * passes.def (pass_warn_printf): Run after SSA.
11332 2021-05-05 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
11334 * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
11335 * config/arm/predicates.md (minus_one_operand): New predicate.
11337 2021-05-05 Jeff Law <jlaw@tachyum.com>
11339 * config/avr/avr.md: Remove references to CC_STATUS_INIT.
11341 2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
11343 PR rtl-optimization/100263
11344 * postreload.c (move2add_valid_value_p): Ensure register can
11347 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
11349 PR rtl-optimization/100411
11350 * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
11351 and beginning of function markers.
11353 2021-05-05 Jeff Law <jlaw@tachyum.com>
11355 * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
11356 * config/cr16/cr16.c (notice_update_cc): Remove.
11357 * config/cr16/cr16-protos.h (notice_update_cc): Remove.
11359 2021-05-05 Uroš Bizjak <ubizjak@gmail.com>
11362 * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
11363 Handle V8QI, V4HI and V2SI modes.
11364 * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
11365 (ix86_build_signbit_mask): Ditto.
11366 * config/i386/mmx.md (MMXMODE14): New mode iterator.
11367 (<smaxmin:code><MMXMODE14:mode>3): New expander.
11368 (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
11369 (<umaxmin:code><MMXMODE24:mode>3): New expander.
11370 (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
11371 (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
11372 (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11373 (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11374 (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11375 (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11377 2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
11379 * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
11380 not expand the VALUE_EXPR of variables put in the non-local frame.
11381 * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
11382 to be ignored for debug info, ensure its variable offsets are not.
11384 2021-05-05 Richard Biener <rguenther@suse.de>
11386 PR tree-optimization/79333
11387 * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
11388 Fold stmt following SSA edges.
11390 2021-05-05 Richard Biener <rguenther@suse.de>
11392 PR middle-end/100394
11393 * calls.c (expand_call): Preserve possibly throwing calls.
11394 * cfgexpand.c (expand_call_stmt): When a call can throw signal
11395 RTL expansion there are side-effects.
11396 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
11397 mark all possibly throwing stmts necessary unless we can elide
11399 * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
11400 -fdelete-dead-exceptions.
11401 * tree.h (DECL_PURE_P): Add note about exceptions.
11403 2021-05-05 Alexandre Oliva <oliva@adacore.com>
11405 * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
11408 2021-05-04 David Edelsohn <dje.gcc@gmail.com>
11410 * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
11411 get_fnname_from_decl for name of thunk.
11412 * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
11413 and ASM_OUTPUT_LABEL.
11414 (rs6000_xcoff_declare_function_name): Use assemble_name and
11416 (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
11417 (rs6000_xcoff_encode_section_info): Don't add mapping class
11418 for aliases. Always add [DS] mapping class to primary
11420 (rs6000_asm_weaken_decl): Don't explicitly add [DS].
11422 2021-05-04 Martin Sebor <msebor@redhat.com>
11424 PR middle-end/100307
11425 * builtins.c (compute_objsize_r): Clear base0 for pointers.
11427 2021-05-04 Jeff Law <jlaw@tachyum.com>
11429 * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
11431 2021-05-04 Segher Boessenkool <segher@kernel.crashing.org>
11433 * caller-save.c: Remove CC0.
11434 * cfgcleanup.c: Remove CC0.
11435 * cfgrtl.c: Remove CC0.
11436 * combine.c: Remove CC0.
11437 * compare-elim.c: Remove CC0.
11438 * conditions.h: Remove CC0.
11439 * config/h8300/h8300.h: Remove CC0.
11440 * config/h8300/h8300-protos.h: Remove CC0.
11441 * config/h8300/peepholes.md: Remove CC0.
11442 * config/i386/x86-tune-sched.c: Remove CC0.
11443 * config/m68k/m68k.c: Remove CC0.
11444 * config/rl78/rl78.c: Remove CC0.
11445 * config/sparc/sparc.c: Remove CC0.
11446 * config/xtensa/xtensa.c: Remove CC0.
11447 (gen_conditional_move): Use pc_rtx instead of cc0_rtx in a piece of
11448 RTL where that is used as a placeholder only.
11449 * cprop.c: Remove CC0.
11450 * cse.c: Remove CC0.
11451 * cselib.c: Remove CC0.
11452 * df-problems.c: Remove CC0.
11453 * df-scan.c: Remove CC0.
11454 * doc/md.texi: Remove CC0. Adjust an example.
11455 * doc/rtl.texi: Remove CC0. Adjust an example.
11456 * doc/tm.texi: Regenerate.
11457 * doc/tm.texi.in: Remove CC0.
11458 * emit-rtl.c: Remove CC0.
11459 * final.c: Remove CC0.
11460 * fwprop.c: Remove CC0.
11461 * gcse-common.c: Remove CC0.
11462 * gcse.c: Remove CC0.
11463 * genattrtab.c: Remove CC0.
11464 * genconfig.c: Remove CC0.
11465 * genemit.c: Remove CC0.
11466 * genextract.c: Remove CC0.
11467 * gengenrtl.c: Remove CC0.
11468 * genrecog.c: Remove CC0.
11469 * haifa-sched.c: Remove CC0.
11470 * ifcvt.c: Remove CC0.
11471 * ira-costs.c: Remove CC0.
11472 * ira.c: Remove CC0.
11473 * jump.c: Remove CC0.
11474 * loop-invariant.c: Remove CC0.
11475 * lra-constraints.c: Remove CC0.
11476 * lra-eliminations.c: Remove CC0.
11477 * optabs.c: Remove CC0.
11478 * postreload-gcse.c: Remove CC0.
11479 * postreload.c: Remove CC0.
11480 * print-rtl.c: Remove CC0.
11481 * read-rtl-function.c: Remove CC0.
11482 * reg-notes.def: Remove CC0.
11483 * reg-stack.c: Remove CC0.
11484 * reginfo.c: Remove CC0.
11485 * regrename.c: Remove CC0.
11486 * reload.c: Remove CC0.
11487 * reload1.c: Remove CC0.
11488 * reorg.c: Remove CC0.
11489 * resource.c: Remove CC0.
11490 * rtl.c: Remove CC0.
11491 * rtl.def: Remove CC0.
11492 * rtl.h: Remove CC0.
11493 * rtlanal.c: Remove CC0.
11494 * sched-deps.c: Remove CC0.
11495 * sched-rgn.c: Remove CC0.
11496 * shrink-wrap.c: Remove CC0.
11497 * simplify-rtx.c: Remove CC0.
11498 * system.h: Remove CC0. Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
11499 CC_STATUS_MDEP, and CC_STATUS.
11500 * target.def: Remove CC0.
11501 * valtrack.c: Remove CC0.
11502 * var-tracking.c: Remove CC0.
11504 2021-05-04 Richard Biener <rguenther@suse.de>
11506 PR tree-optimization/100414
11507 * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
11509 (tree_ssa_phiopt_worker): But unconditionally here.
11511 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
11513 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
11514 && and || with floating-point and complex arguments.
11516 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
11518 * tree-inline.c (insert_debug_decl_map): Delete.
11519 (copy_debug_stmt): Minor tweak.
11520 (setup_one_parameter): Do not use a variable if the value is either
11521 a read-only DECL or a non-addressable local variable in the caller.
11522 In this case, insert the debug-only variable in the map manually.
11523 (expand_call_inline): Do not generate a CLOBBER for these values.
11524 * tree-inline.h (debug_map): Minor tweak.
11526 2021-05-04 Eric Botcazou <ebotcazou@adacore.com>
11528 * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
11529 * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
11531 2021-05-04 Richard Biener <rguenther@suse.de>
11533 PR tree-optimization/100329
11534 * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
11536 (insert_stmt_after): Assert we're not running into asm goto.
11538 2021-05-04 Richard Biener <rguenther@suse.de>
11540 PR tree-optimization/100398
11541 * tree-ssa-dse.c (pass_dse::execute): Preserve control
11544 2021-05-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
11546 * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
11548 2021-05-04 Alexandre Oliva <oliva@adacore.com>
11550 * builtins.c (try_store_by_multiple_pieces): New.
11551 (expand_builtin_memset_args): Use it. If target_char_cast
11552 fails, proceed as for non-constant val. Pass len's ctz to...
11553 * expr.c (clear_storage_hints): ... this. Try store by
11554 multiple pieces after setmem.
11555 (clear_storage): Adjust.
11556 * expr.h (clear_storage_hints): Likewise.
11557 (try_store_by_multiple_pieces): Declare.
11558 * passes.def: Replace the last copy_prop with ccp.
11560 2021-05-03 Tom de Vries <tdevries@suse.de>
11563 * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
11566 2021-05-03 Richard Biener <rguenther@suse.de>
11568 * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
11570 2021-05-03 Richard Biener <rguenther@suse.de>
11572 * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
11573 (dse_dom_walker): Remove.
11574 (dse_dom_walker::dse_optimize_stmt): Rename...
11575 (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
11576 (dse_dom_walker::before_dom_children): Inline ...
11577 (pass_dse::execute): ... here. Perform a reverse program
11580 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
11583 * configure: Regenerated.
11585 2021-05-03 Ilya Leoshkevich <iii@linux.ibm.com>
11588 * config/s390/s390.c (s390_hard_fp_reg_p): New function.
11589 (s390_md_asm_adjust): Handle hard registers.
11591 2021-05-03 Jakub Jelinek <jakub@redhat.com>
11593 PR tree-optimization/100382
11594 * tree-ssa-dse.c: Include tree-eh.h.
11595 (dse_dom_walker::before_dom_children): Don't remove stmts if
11596 stmt_unremovable_because_of_non_call_eh_p is true.
11598 2021-05-02 David Edelsohn <dje.gcc@gmail.com>
11600 * varasm.c (compute_reloc_for_var): Split out from...
11601 (get_variable_section): Use it.
11602 * output.h (compute_reloc_for_var): Declare.
11603 * config/rs6000/rs6000-protos.h
11604 (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
11606 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
11607 Don't append storage mapping class to symbol.
11608 (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
11609 Don't convert TLS BSS to common.
11610 (rs6000_xcoff_unique_section): Don't fall back to select_secton.
11611 (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
11613 (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
11615 (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
11616 If align is 0 from TLS class, use the same rules as varasm.c
11617 If not common, switch to BSS section manually.
11618 If common, emit appropriate comm or lcomm directive.
11619 (rs6000_xcoff_encode_section_info): Add logic to append all
11620 storage mapping classes.
11621 (rs6000_asm_weaken_decl): Adjust for qualname symbols.
11622 * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
11623 rs6000_xcoff_asm_output_aligned_decl_common.
11624 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
11625 rs6000_xcoff_asm_output_aligned_decl_common.
11626 (ASM_OUTPUT_TLS_COMMON): Use
11627 rs6000_xcoff_asm_output_aligned_decl_common.
11629 2021-05-02 Jakub Jelinek <jakub@redhat.com>
11632 * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
11633 as first argument of pseudo_node_t constructors.
11635 2021-05-02 Jakub Jelinek <jakub@redhat.com>
11638 * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
11640 2021-05-01 Aldy Hernandez <aldyh@redhat.com>
11642 * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
11643 (gt_pch_nx (int_range<1> *&)): New.
11644 (gt_ggc_mx (int_range<1> *&)): New.
11645 * value-range.h (class irange): Add GTY support for
11648 2021-05-01 Geng Qi <gengqi@linux.alibaba.com>
11650 * doc/options.texi (Negative): Change either or to both and.
11652 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
11654 * config/aarch64/aarch64-simd-builtins.def: Add
11655 float_ml[as][q]_laneq builtin generator macros.
11656 * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
11657 (aarch64_float_mla_laneq<mode>): Define.
11658 (aarch64_float_mls_laneq<mode>): Define.
11659 * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
11660 instead of GCC vector extensions.
11661 (vmlaq_laneq_f32): Likewise.
11662 (vmls_laneq_f32): Likewise.
11663 (vmlsq_laneq_f32): Likewise.
11665 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
11667 * config/aarch64/aarch64-simd-builtins.def: Add
11668 float_ml[as]_lane builtin generator macros.
11669 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
11671 (mul_lane<mode>3): This, and re-order arguments.
11672 (aarch64_float_mla_lane<mode>): Define.
11673 (aarch64_float_mls_lane<mode>): Define.
11674 * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
11675 instead of GCC vector extensions.
11676 (vmlaq_lane_f32): Likewise.
11677 (vmls_lane_f32): Likewise.
11678 (vmlsq_lane_f32): Likewise.
11680 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
11682 * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
11683 builtin generator macros.
11684 * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
11686 (aarch64_float_mls<mode>): Define.
11687 * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
11688 instead of relying on GCC vector extensions.
11689 (vmla_f64): Likewise.
11690 (vmlaq_f32): Likewise.
11691 (vmlaq_f64): Likewise.
11692 (vmls_f32): Likewise.
11693 (vmls_f64): Likewise.
11694 (vmlsq_f32): Likewise.
11695 (vmlsq_f64): Likewise.
11696 * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
11698 2021-04-30 Jonathan Wright <jonathan.wright@arm.com>
11700 * config/aarch64/aarch64-simd-builtins.def: Add
11701 float_ml[as]_n_builtin generator macros.
11702 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
11704 (mul_n<mode>3): This, and re-order arguments.
11705 (aarch64_float_mla_n<mode>): Define.
11706 (aarch64_float_mls_n<mode>): Define.
11707 * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
11708 instead of inline asm.
11709 (vmlaq_n_f32): Likewise.
11710 (vmls_n_f32): Likewise.
11711 (vmlsq_n_f32): Likewise.
11713 2021-04-30 Jonathan Wright <joanthan.wright@arm.com>
11715 * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
11716 builtin generator macros.
11717 * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
11718 (aarch64_pmull_hiv16qi_insn): Define.
11719 (aarch64_pmull_hiv16qi): Define.
11720 * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
11721 instead of inline asm.
11722 (vmull_p8): Likewise.
11724 2021-04-30 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
11726 * config/avr/avr.md: Adjust peepholes to match and
11727 generate parallels with clobber of REG_CC.
11728 (mov<mode>_insn): Rename to mov<mode>_insn_split.
11729 (*mov<mode>_insn): Rename to mov<mode>_insn.
11731 2021-04-30 David Edelsohn <dje.gcc@gmail.com>
11733 * varasm.c (use_blocks_for_decl_p): Don't use section anchors
11734 for VAR_DECLs if -fdata-sections enabled.
11736 2021-04-30 Michael Meissner <meissner@linux.ibm.com>
11738 PR bootstrap/100327
11739 * config/rs6000/rs6000.c
11740 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
11741 (rs6000_libgcc_floating_mode_supported_p): New target hook.
11743 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
11745 * tree-ssa-threadbackward.c (class thread_jumps): Split out code
11747 (class back_threader_registry): ...to here...
11748 (class back_threader_profitability): ...and here...
11749 (thread_jumps::thread_through_all_blocks): Remove argument.
11750 (back_threader_registry::back_threader_registry): New.
11751 (back_threader_registry::~back_threader_registry): New.
11752 (back_threader_registry::thread_through_all_blocks): New.
11753 (thread_jumps::profitable_jump_thread_path): Move from here...
11754 (back_threader_profitability::profitable_path_p): ...to here.
11755 (thread_jumps::find_taken_edge): New.
11756 (thread_jumps::convert_and_register_current_path): Move...
11757 (back_threader_registry::register_path): ...to here.
11758 (thread_jumps::register_jump_thread_path_if_profitable): Move...
11759 (thread_jumps::maybe_register_path): ...to here.
11760 (thread_jumps::handle_phi): Call find_taken_edge and
11761 maybe_register_path.
11762 (thread_jumps::handle_assignment): Same.
11763 (thread_jumps::fsm_find_control_statement_thread_paths): Remove
11764 tree argument to handle_phi and handle_assignment.
11765 (thread_jumps::find_jump_threads_backwards): Set m_name. Remove
11766 set of m_speed_p and m_max_threaded_paths.
11767 (pass_thread_jumps::execute): Remove second argument from
11768 find_jump_threads_backwards.
11769 (pass_early_thread_jumps::execute): Same.
11771 2021-04-30 Aldy Hernandez <aldyh@redhat.com>
11773 * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
11774 (class dom_opt_dom_walker): Initialize some class variables.
11775 (pass_dominator::execute): Pass evrp_range_analyzer and
11776 dom_jump_threader_simplifier to dom_opt_dom_walker.
11777 Adjust for some functions moving into classes.
11778 (simplify_stmt_for_jump_threading): Adjust and move to...
11779 (jump_threader_simplifier::simplify): ...here.
11780 (dom_opt_dom_walker::before_dom_children): Adjust for
11781 m_evrp_range_analyzer.
11782 (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
11783 (test_for_singularity): Place in dom_opt_dom_walker class.
11784 (dom_opt_dom_walker::optimize_stmt): The argument
11785 evrp_range_analyzer is now a class field.
11786 * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
11787 (thread_jumps::thread_through_all_blocks): New.
11788 (thread_jumps::convert_and_register_current_path): Use m_registry.
11789 (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
11790 being in the threader class.
11791 (pass_early_thread_jumps::execute): Same.
11792 * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
11793 (jump_threader::jump_threader): ...here.
11794 (threadedge_finalize_values): Move...
11795 (jump_threader::~jump_threader): ...here.
11796 (jump_threader::remove_jump_threads_including): New.
11797 (jump_threader::thread_through_all_blocks): New.
11798 (record_temporary_equivalences_from_phis): Move...
11799 (jump_threader::record_temporary_equivalences_from_phis): ...here.
11800 (record_temporary_equivalences_from_stmts_at_dest): Move...
11801 (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
11803 (simplify_control_stmt_condition_1): Move to jump_threader class.
11804 (simplify_control_stmt_condition): Move...
11805 (jump_threader::simplify_control_stmt_condition): ...here.
11806 (thread_around_empty_blocks): Move...
11807 (jump_threader::thread_around_empty_blocks): ...here.
11808 (thread_through_normal_block): Move...
11809 (jump_threader::thread_through_normal_block): ...here.
11810 (thread_across_edge): Move...
11811 (jump_threader::thread_across_edge): ...here.
11812 (thread_outgoing_edges): Move...
11813 (jump_threader::thread_outgoing_edges): ...here.
11814 * tree-ssa-threadedge.h: Move externally facing functings...
11815 (class jump_threader): ...here...
11816 (class jump_threader_simplifier): ...and here.
11817 * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
11818 (jump_thread_path_allocator::jump_thread_path_allocator): New.
11819 (jump_thread_path_allocator::~jump_thread_path_allocator): New.
11820 (jump_thread_path_allocator::allocate_thread_edge): New.
11821 (jump_thread_path_allocator::allocate_thread_path): New.
11822 (jump_thread_path_registry::jump_thread_path_registry): New.
11823 (jump_thread_path_registry::~jump_thread_path_registry): New.
11824 (jump_thread_path_registry::allocate_thread_edge): New.
11825 (jump_thread_path_registry::allocate_thread_path): New.
11826 (dump_jump_thread_path): Make extern.
11827 (debug (const vec<jump_thread_edge *> &path)): New.
11828 (struct removed_edges): Move to tree-ssa-threadupdate.h.
11829 (struct thread_stats_d): Remove.
11830 (remove_ctrl_stmt_and_useless_edges): Make static.
11831 (lookup_redirection_data): Move...
11832 (jump_thread_path_registry::lookup_redirection_data): ...here.
11833 (ssa_redirect_edges): Make static.
11834 (thread_block_1): Move...
11835 (jump_thread_path_registry::thread_block_1): ...here.
11836 (thread_block): Move...
11837 (jump_thread_path_registry::thread_block): ...here.
11838 (thread_through_loop_header): Move...
11839 (jump_thread_path_registry::thread_through_loop_header): ...here.
11840 (mark_threaded_blocks): Move...
11841 (jump_thread_path_registry::mark_threaded_blocks): ...here.
11842 (debug_path): Move...
11843 (jump_thread_path_registry::debug_path): ...here.
11844 (debug_all_paths): Move...
11845 (jump_thread_path_registry::dump): ..here.
11846 (rewire_first_differing_edge): Move...
11847 (jump_thread_path_registry::rewire_first_differing_edge): ...here.
11848 (adjust_paths_after_duplication): Move...
11849 (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
11850 (duplicate_thread_path): Move...
11851 (jump_thread_path_registry::duplicate_thread_path): ..here.
11852 (remove_jump_threads_including): Move...
11853 (jump_thread_path_registry::remove_jump_threads_including): ...here.
11854 (thread_through_all_blocks): Move to...
11855 (jump_thread_path_registry::thread_through_all_blocks): ...here.
11856 (delete_jump_thread_path): Remove.
11857 (register_jump_thread): Move...
11858 (jump_thread_path_registry::register_jump_thread): ...here.
11859 * tree-ssa-threadupdate.h: Move externally facing functions...
11860 (class jump_thread_path_allocator): ...here...
11861 (class jump_thread_path_registry): ...and here.
11862 (thread_through_all_blocks): Remove.
11863 (struct removed_edges): New.
11864 (register_jump_thread): Remove.
11865 (remove_jump_threads_including): Remove.
11866 (delete_jump_thread_path): Remove.
11867 (remove_ctrl_stmt_and_useless_edges): Remove.
11868 (free_dom_edge_info): New prototype.
11869 * tree-vrp.c: Remove x_vr_values hack.
11870 (class vrp_jump_threader_simplifier): New.
11871 (vrp_jump_threader_simplifier::simplify): New.
11872 (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
11873 Remove m_dummy_cond.
11874 Instantiate m_simplifier and m_threader.
11875 (vrp_jump_threader::thread_through_all_blocks): New.
11876 (vrp_jump_threader::simplify_stmt): Remove.
11877 (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
11878 Remove x_vr_values hack.
11879 (execute_vrp): Adjust for thread_through_all_blocks being in a
11882 2021-04-30 Christophe Lyon <christophe.lyon@linaro.org>
11884 * genflags.c (gen_insn): Print failed expansion string.
11886 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
11888 * expr.c (alignment_for_piecewise_move): Call mode_for_size
11889 without limit to MAX_FIXED_MODE_SIZE.
11891 2021-04-30 H.J. Lu <hjl.tools@gmail.com>
11893 PR middle-end/90773
11894 * builtins.c (builtin_memset_gen_str): Don't use return from
11895 simplify_gen_subreg.
11897 2021-04-30 Uroš Bizjak <ubizjak@gmail.com>
11900 * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
11901 (*addsi3_carry_zext_0r): Ditto.
11902 (*sub<mode>3_carry_0): Ditto.
11903 (*subsi3_carry_zext_0r): Ditto.
11904 * config/i386/predicates.md (ix86_carry_flag_unset_operator):
11906 * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
11907 Also consider ix86_carry_flag_unset_operator to calculate
11908 the cost of adc/sbb insn.
11910 2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
11912 PR rtl-optimization/100225
11913 PR rtl-optimization/84878
11914 * modulo-sched.c (sms_schedule): Use note_stores to skip loops
11915 where we have an instruction which touches (writes) any hard
11916 register from df->regular_block_artificial_uses set.
11917 Allow not-single-set instruction only right before basic block
11920 2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
11922 * config/riscv/riscv.opt (march=,mabi=): Negative itself.
11924 2021-04-30 LevyHsu <admin@levyhsu.com>
11926 * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
11927 * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
11928 * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
11929 (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
11931 2021-04-29 Alexandre Oliva <oliva@adacore.com>
11933 * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
11935 2021-04-29 Alexandre Oliva <oliva@adacore.com>
11937 * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
11938 (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this. Enclose in do/while(0).
11939 * config/i386/i386.c: Adjust.
11940 * config/i386/i386.md: Adjust.
11941 * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
11942 * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11943 * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11944 * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11945 * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11946 * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11947 * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11948 * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11949 * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11950 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11951 (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
11953 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
11955 * config/i386/i386-expand.c (ix86_expand_int_compare):
11956 Swap operands of GTU and LEU comparison to emit carry flag comparison.
11957 * config/i386/i386.md (*add<mode>3_carry_0): Change insn
11958 predicate to allow more combine opportunities with memory operands.
11959 (*sub<mode>3_carry_0): Ditto.
11961 2021-04-29 Richard Sandiford <richard.sandiford@arm.com>
11963 PR rtl-optimization/100303
11964 * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
11965 boolean that indicates whether the use will only be used in
11966 debug instructions. Treat it in the same way that existing
11967 cross-EBB debug references would be handled if so.
11968 (function_info::make_uses_available): Likewise.
11969 * rtl-ssa/functions.h (function_info::make_uses_available): Update
11970 prototype accordingly.
11971 (function_info::make_uses_available): Likewise.
11972 * fwprop.c (try_fwprop_subst): Update call accordingly.
11974 2021-04-29 Jeff Law <jlaw@tachyum.com>
11976 * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
11979 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
11980 Richard Biener <rguenther@suse.de>
11983 * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
11984 (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
11985 (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
11986 (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
11987 (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
11988 to PURE_ARGS category.
11989 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
11990 Handle PURE_ARGS category.
11991 * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
11993 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
11995 * configure.ac: Check for the presence of sys/locking.h header and
11996 for whether _LK_LOCK is supported by _locking.
11997 * configure: Regenerate.
11998 * config.in: Likewise.
11999 * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
12000 * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
12001 * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
12003 2021-04-29 Uroš Bizjak <ubizjak@gmail.com>
12005 * config/i386/predicates.md (fcmov_comparison_operator):
12006 Do not check for trivial FP comparison operator.
12007 <case GEU, case LTU>: Allow CCGZmode.
12008 <case GTU, case LEU>: Do not allow CCCmode.
12009 (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
12010 (ix86_carry_flag_operator): Match only LTU and UNLT code.
12011 Do not check for trivial FP comparison operator. Allow CCGZmode.
12013 2021-04-29 Tom de Vries <tdevries@suse.de>
12015 * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
12016 fd->loop.step by either step or orig_step.
12018 2021-04-29 Eric Botcazou <ebotcazou@adacore.com>
12020 * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
12021 (load_got_register): Do the PIC dance here.
12022 (sparc_legitimize_tls_address): Simplify.
12023 (sparc_emit_probe_stack_range): Likewise.
12024 (sparc32_initialize_trampoline): Likewise.
12025 (sparc64_initialize_trampoline): Likewise.
12026 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
12027 (probe_stack_range<P:mode>): Likewise.
12028 (flush<P:mode>): Likewise.
12029 (tgd_hi22<P:mode>): Likewise.
12030 (tgd_lo10<P:mode>): Likewise.
12031 (tgd_add<P:mode>): Likewise.
12032 (tgd_call<P:mode>): Likewise.
12033 (tldm_hi22<P:mode>): Likewise.
12034 (tldm_lo10<P:mode>): Likewise.
12035 (tldm_add<P:mode>): Likewise.
12036 (tldm_call<P:mode>): Likewise.
12037 (tldo_hix22<P:mode>): Likewise.
12038 (tldo_lox10<P:mode>): Likewise.
12039 (tldo_add<P:mode>): Likewise.
12040 (tie_hi22<P:mode>): Likewise.
12041 (tie_lo10<P:mode>): Likewise.
12042 (tie_add<P:mode>): Likewise.
12043 (tle_hix22<P:mode>): Likewise.
12044 (tle_lox10<P:mode>): Likewise.
12045 (stack_protect_setsi): Rename to...
12046 (stack_protect_set32): ...this.
12047 (stack_protect_setdi): Rename to...
12048 (stack_protect_set64): ...this.
12049 (stack_protect_set): Adjust calls to above.
12050 (stack_protect_testsi): Rename to...
12051 (stack_protect_test32): ...this.
12052 (stack_protect_testdi): Rename to...
12053 (stack_protect_test64): ...this.
12054 (stack_protect_test): Adjust calls to above.
12056 2021-04-29 H.J. Lu <hjl.tools@gmail.com>
12058 PR middle-end/90773
12059 * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
12060 (builtin_strncpy_read_str): Likewise.
12061 (builtin_memset_read_str): Add an argument for the previous RTL
12062 information and generate the new RTL from the previous RTL info.
12063 (builtin_memset_gen_str): Likewise.
12064 * builtins.h (builtin_strncpy_read_str): Update the prototype.
12065 (builtin_memset_read_str): Likewise.
12066 * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
12067 returns true, round up size and alignment to the widest integer
12068 mode for maximum size.
12069 (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
12070 and pass it to m_constfn.
12071 (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
12072 (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
12073 initialize m_push. Initialize m_overlap_op_by_pieces with
12074 targetm.overlap_op_by_pieces_p ().
12075 (op_by_pieces_d::run): Pass the previous RTL information to
12076 pieces_addr::adjust and generate overlapping operations if
12077 m_overlap_op_by_pieces is true.
12079 (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
12081 (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
12083 (can_store_by_pieces): Use by_pieces_constfn on constfun.
12084 (store_by_pieces): Use by_pieces_constfn on constfun. Updated
12085 for op_by_pieces_d change.
12086 (clear_by_pieces_1): Add a dummy argument.
12087 (clear_by_pieces): Updated for op_by_pieces_d change.
12088 (compare_by_pieces_d::compare_by_pieces_d): Likewise.
12089 (string_cst_read_str): Add a dummy argument.
12090 * expr.h (by_pieces_constfn): Add a dummy argument.
12091 (by_pieces_prev): New.
12092 * target.def (overlap_op_by_pieces_p): New target hook.
12093 * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
12094 * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
12095 * doc/tm.texi: Regenerated.
12097 2021-04-29 Richard Biener <rguenther@suse.de>
12099 PR tree-optimization/100253
12100 * tree-vect-stmts.c (vectorizable_load): Do not assume
12101 element alignment when DR_MISALIGNMENT is -1.
12102 (vectorizable_store): Likewise.
12104 2021-04-29 Jakub Jelinek <jakub@redhat.com>
12107 * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
12108 absu_hwi instead of abs_hwi.
12110 2021-04-29 Richard Biener <rguenther@suse.de>
12112 PR middle-end/38474
12113 * tree-ssa-structalias.c (add_graph_edge): Avoid direct
12114 forwarding when indirect forwarding through ESCAPED
12117 2021-04-29 Tom de Vries <tdevries@suse.de>
12120 * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
12121 (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
12122 (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
12123 (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
12125 2021-04-29 Richard Biener <rguenther@suse.de>
12127 PR tree-optimization/99912
12128 * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
12129 (dse_dom_walker::todo): Likewise.
12130 (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
12132 (dse_dom_walker::before_dom_children): Remove trivially
12133 dead SSA defs and schedule CFG cleanup if we removed all
12135 (pass_dse::execute): Get TODO as computed by the DOM walker
12136 and return it. Wipe dominator info earlier.
12138 2021-04-29 Richard Biener <rguenther@suse.de>
12141 * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
12142 Track blocks to cleanup EH in new m_need_eh_cleanup.
12143 (ipcp_modif_dom_walker::cleanup_eh): New.
12144 (ipcp_transform_function): Release dominator info before
12147 2021-04-29 Martin Sebor <msebor@redhat.com>
12149 PR middle-end/100250
12150 * attribs.c (attr_access::array_as_string): Avoid dereferencing
12151 a pointer when it's null.
12153 2021-04-29 Martin Sebor <msebor@redhat.com>
12155 * Makefile.in (OBJS): Add ipa-free-lang-data.o.
12156 * ipa-free-lang-data.cc: New file.
12157 * tree.c: Move pass free_lang_data to file above.
12158 (build_array_type_1): Declare extern.
12159 * tree.h (build_array_type_1): Declare.
12161 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12163 * config/aarch64/aarch64-simd-builtins.def: Modify comment to
12164 make consistent with updated RTL pattern.
12165 * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
12166 Implement using ss_truncate and us_truncate rather than
12168 * config/aarch64/iterators.md: Remove redundant unspecs and
12169 iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
12171 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12173 * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
12174 attributes consistent with those defined in arm_neon.h.
12176 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12178 * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
12179 attributes consistent with those defined in arm_neon.h.
12181 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12183 * config/aarch64/aarch64-simd-builtins.def: Add
12184 float_trunc_rodd builtin generator macros.
12185 * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
12187 (aarch64_float_trunc_rodd_lo_v2sf): Define.
12188 (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
12189 (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
12190 (aarch64_float_trunc_rodd_hi_v4sf): Define.
12191 * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
12192 instead of inline asm.
12193 (vcvtx_high_f32_f64): Likewise.
12194 (vcvtxd_f32_f64): Likewise.
12195 * config/aarch64/iterators.md: Add FCVTXN unspec.
12197 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12199 * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
12201 * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
12203 * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
12204 instead of inline asm.
12205 (vqtbx1_u8): Likewise.
12206 (vqtbx1_p8): Likewise.
12207 (vqtbx1q_s8): Likewise.
12208 (vqtbx1q_u8): Likewise.
12209 (vqtbx1q_p8): Likewise.
12210 (vtbx2_s8): Likewise.
12211 (vtbx2_u8): Likewise.
12212 (vtbx2_p8): Likewise.
12214 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12216 * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
12218 * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
12219 instead of inline asm.
12220 (vqtbl1_s8): Likewise.
12221 (vqtbl1_u8): Likewise.
12222 (vqtbl1q_p8): Likewise.
12223 (vqtbl1q_s8): Likewise.
12224 (vqtbl1q_u8): Likewise.
12225 (vtbl1_s8): Likewise.
12226 (vtbl1_u8): Likewise.
12227 (vtbl1_p8): Likewise.
12228 (vtbl2_s8): Likewise.
12229 (vtbl2_u8): Likewise.
12230 (vtbl2_p8): Likewise.
12232 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12234 * config/aarch64/aarch64-simd-builtins.def: Add polynomial
12235 ssri_n buitin generator macro.
12236 * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
12237 instead of inline asm.
12238 (vsri_n_p16): Likewise.
12239 (vsri_n_p64): Likewise.
12240 (vsriq_n_p8): Likewise.
12241 (vsriq_n_p16): Likewise.
12242 (vsriq_n_p64): Likewise.
12244 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12246 * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
12247 iterator for polynomial ssli_n builtin generator macro.
12248 * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
12249 instead of inline asm.
12250 (vsli_n_p16): Likewise.
12251 (vsliq_n_p8): Likewise.
12252 (vsliq_n_p16): Likewise.
12253 * config/aarch64/iterators.md: Define VALLP mode iterator.
12255 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12257 * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
12258 iterator to generate [su]adalp RTL builtins.
12259 * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
12260 [su]adalp RTL pattern.
12261 * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
12262 instead of inline asm.
12263 (vpadal_u32): Likewise.
12265 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12267 * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
12268 builtin generator macros.
12269 * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
12271 * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
12272 instead of inline asm.
12273 (vpaddl_s16): Likewise.
12274 (vpaddl_s32): Likewise.
12275 (vpaddl_u8): Likewise.
12276 (vpaddl_u16): Likewise.
12277 (vpaddl_u32): Likewise.
12278 (vpaddlq_s8): Likewise.
12279 (vpaddlq_s16): Likewise.
12280 (vpaddlq_s32): Likewise.
12281 (vpaddlq_u8): Likewise.
12282 (vpaddlq_u16): Likewise.
12283 (vpaddlq_u32): Liwewise.
12284 * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
12285 appropriate attributes.
12287 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12289 * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
12290 for aarch64_addp<mode> builtin macro generator.
12291 * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
12292 aarch64_addp<mode> RTL pattern.
12293 * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
12294 instead of inline asm.
12295 (vpaddq_s16): Likewise.
12296 (vpaddq_s32): Likewise.
12297 (vpaddq_s64): Likewise.
12298 (vpaddq_u8): Likewise.
12299 (vpaddq_u16): Likewise.
12300 (vpaddq_u32): Likewise.
12301 (vpaddq_u64): Likewise.
12303 2021-04-28 Jonathan Wright <jonathan.wright@arm.com>
12305 * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
12306 builtin generator macros.
12307 * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
12309 * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
12310 instead of inline asm.
12311 (vqdmulh_n_s32): Likewise.
12312 (vqdmulhq_n_s16): Likewise.
12313 (vqdmulhq_n_s32): Likewise.
12314 (vqrdmulh_n_s16): Likewise.
12315 (vqrdmulh_n_s32): Likewise.
12316 (vqrdmulhq_n_s16): Likewise.
12317 (vqrdmulhq_n_s32): Likewise.
12319 2021-04-28 Tobias Burnus <tobias@codesourcery.com>
12321 * doc/install.texi (--enable-offload-defaulted): Document.
12323 2021-04-28 Senthil Kumar Selvaraj <saaadhu@gcc.gnu.org>
12325 * config/avr/avr-dimode.md: Turn existing patterns into
12326 define_insn_and_split style patterns where the splitter
12327 adds a clobber of the condition code register. Drop "cc"
12328 attribute. Add new patterns to match output of
12330 * config/avr/avr-fixed.md: Likewise.
12331 * config/avr/avr.c (cc_reg_rtx): New.
12332 (avr_parallel_insn_from_insns): Adjust insn count
12333 for removal of set of cc0.
12334 (avr_is_casesi_sequence): Likewise.
12335 (avr_casei_sequence_check_operands): Likewise.
12336 (avr_optimize_casesi): Likewise. Also insert
12337 new insns after jump_insn.
12338 (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
12339 for removal of set of cc0.
12340 (avr_init_expanders): Initialize cc_reg_rtx.
12341 (avr_regno_reg_class): Handle REG_CC.
12342 (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
12343 (avr_notice_update_cc): Remove function.
12344 (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
12345 (compare_condition): Adjust for PARALLEL with
12347 (out_shift_with_cnt): Likewise.
12348 (ashlhi3_out): Likewise.
12349 (ashrhi3_out): Likewise.
12350 (lshrhi3_out): Likewise.
12351 (avr_class_max_nregs): Return single reg for REG_CC.
12352 (avr_compare_pattern): Check for REG_CC instead
12354 (avr_reorg_remove_redundant_compare): Likewise.
12355 (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
12356 (avr_hard_regno_nregs): Return single reg for REG_CC.
12357 (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
12358 (avr_md_asm_adjust): Clobber REG_CC.
12359 (TARGET_HARD_REGNO_NREGS): Define.
12360 (TARGET_CLASS_MAX_NREGS): Define.
12361 (TARGET_MD_ASM_ADJUST): Define.
12362 * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
12364 (enum reg_class): Add CC_REG class.
12365 (NOTICE_UPDATE_CC): Remove.
12366 (CC_OVERFLOW_UNUSABLE): Remove.
12367 (CC_NO_CARRY): Remove.
12368 * config/avr/avr.md: Turn existing patterns into
12369 define_insn_and_split style patterns where the splitter
12370 adds a clobber of the condition code register. Drop "cc"
12371 attribute. Add new patterns to match output of
12373 (sez): Remove unused pattern.
12375 2021-04-28 Richard Earnshaw <rearnsha@arm.com>
12378 * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
12381 2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
12384 * config/aarch64/constraints.md (Utq): Require the address to
12385 be valid for both the element mode and for V2DImode.
12387 2021-04-28 Jakub Jelinek <jakub@redhat.com>
12388 Tobias Burnus <tobias@codesourcery.com>
12390 * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
12391 * gcc.c (process_command): New variable.
12392 (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
12393 set it if -foffload is defaulted.
12394 * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
12395 (compile_offload_image): If OFFLOAD_DEFAULTED and
12396 OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
12397 if corresponding mkoffload can't be found.
12398 (compile_images_for_offload_targets): Likewise. Free and clear
12399 offload_names if no valid offload is found.
12400 * config.in: Regenerate.
12401 * configure: Regenerate.
12403 2021-04-28 Richard Biener <rguenther@suse.de>
12405 PR tree-optimization/100292
12406 * tree-vect-generic.c (expand_vector_condition): Do not fold
12409 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
12411 * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
12412 * config/rs6000/aix64.opt (m64): New.
12415 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
12417 * config/vax/vax.c (print_operand_address, vax_address_cost_1)
12418 (index_term_p): Handle ASHIFT too.
12420 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
12422 * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
12423 (sync_lock_test_and_set<mode>): Adjust accordingly.
12424 (sync_lock_release<mode>): Likewise.
12426 2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
12428 * config/vax/vax-protos.h (adjacent_operands_p): Remove
12430 * config/vax/vax.c (adjacent_operands_p): Remove.
12432 2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
12434 * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
12435 through to the non-conditional execution case if getting the
12436 condition for conditional execution has failed.
12438 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
12440 PR middle-end/100284
12441 * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
12442 * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
12443 than asserting on it.
12445 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
12447 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
12448 with TARGET_AIX_OS.
12450 2021-04-27 David Edelsohn <dje.gcc@gmail.com>
12453 * calls.c (precompute_register_parameters): Additionally test
12454 targetm.precompute_tls_p to pre-compute argument.
12455 * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
12456 * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
12457 * target.def (precompute_tls_p): New.
12458 * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
12459 * doc/tm.texi: Regenerated.
12461 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12464 * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
12465 back to HOST_WIDE_INT.
12467 2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
12470 * simplify-rtx.c (simplify_context::simplify_subreg): Check the
12471 memory alignment for the outer mode.
12473 2021-04-27 H.J. Lu <hjl.tools@gmail.com>
12475 PR middle-end/90773
12476 * expr.c (op_by_pieces_d::get_usable_mode): New member function.
12477 (op_by_pieces_d::run): Cange a while loop to a do-while loop.
12479 2021-04-27 Alex Coplan <alex.coplan@arm.com>
12482 * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
12483 with negative immediates: ensure we expand cbranchsi4_scratch
12484 correctly and ensure we satisfy its constraints.
12485 * config/arm/sync.md
12486 (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
12487 attempt to tie two output operands together with constraints;
12488 collapse two alternatives.
12489 (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
12490 * config/arm/thumb1.md (cbranchsi4_neg_late): New.
12492 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12495 * config/aarch64/predicates.md (aarch64_sub_immediate,
12496 aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
12497 * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
12498 * config/aarch64/aarch64.c (aarch64_print_operand,
12499 aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
12501 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12503 PR tree-optimization/100239
12504 * tree-vect-generic.c (lower_vec_perm): Don't accept constant
12505 permutations with all indices from the first zero element as vec_shl.
12507 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12509 PR rtl-optimization/100254
12510 * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
12511 last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
12513 2021-04-27 Richard Biener <rguenther@suse.de>
12515 PR tree-optimization/99912
12516 * passes.def: Add comment about new TODO_remove_unused_locals.
12517 * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
12520 2021-04-27 Richard Biener <rguenther@suse.de>
12522 PR tree-optimization/99912
12523 * passes.def (pass_all_optimizations): Add pass_dse before
12524 the first pass_dce, move the first pass_dse before the
12525 pass_dce following pass_pre.
12527 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12529 PR tree-optimization/95527
12530 * generic-match-head.c: Include tm.h.
12531 * gimple-match-head.c: Include tm.h.
12532 * match.pd (CLZ == INTEGER_CST): Don't use
12533 #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
12534 if clz == CFN_CLZ. Add missing val declaration.
12535 (CTZ cmp CST): New simplifications.
12537 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12539 PR tree-optimization/96696
12540 * expr.c (expand_expr_divmod): New function.
12541 (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
12542 divisions. Formatting fixes.
12543 <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
12546 2021-04-27 Martin Jambor <mjambor@suse.cz>
12549 * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
12550 If removing a call statement LHS SSA name, release it.
12552 2021-04-27 Richard Earnshaw <rearnsha@arm.com>
12555 * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
12556 is valid before including it in the mask.
12558 2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
12561 * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
12564 2021-04-27 Richard Biener <rguenther@suse.de>
12566 PR tree-optimization/100051
12567 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
12568 disambiguator based on access size vs. decl size.
12570 2021-04-27 Richard Biener <rguenther@suse.de>
12572 PR tree-optimization/100278
12573 * tree-ssa-pre.c (compute_avail): Give up when we cannot
12574 adjust TBAA beacuse of mismatching bases.
12576 2021-04-27 Jakub Jelinek <jakub@redhat.com>
12579 * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
12580 For any_rotate define_insn_split and following splitters, use
12581 SWI iterator instead of SWI48.
12583 2021-04-27 Richard Biener <rguenther@suse.de>
12585 PR tree-optimization/99776
12586 * match.pd (bit_field_ref (ctor)): Relax element extract
12587 type compatibility checks.
12589 2021-04-27 Cui,Lili <lili.cui@intel.com>
12591 * common/config/i386/i386-common.c (processor_names):
12592 Sync processor_names with processor_type.
12593 * config/i386/i386-options.c (processor_cost_table):
12594 Sync processor_cost_table with processor_type.
12596 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
12598 * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
12599 (irange::set): Call irange_set_1bit_anti_range for handling all
12600 1-bit ranges. Fall through on ~[MIN,MAX].
12602 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
12604 * value-range.cc (irange::legacy_num_pairs): Remove.
12605 (irange::invert): Change gcc_assert to gcc_checking_assert.
12606 * value-range.h (irange::num_pairs): Adjust for a cached
12607 num_pairs(). Also, rename all gcc_assert's to
12608 gcc_checking_assert's.
12610 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
12612 * value-range.cc (irange::operator=): Set m_kind.
12613 (irange::copy_to_legacy): Handle varying and undefined sources
12614 as a legacy copy since they can be easily copied.
12615 (irange::irange_set): Set m_kind.
12616 (irange::irange_set_anti_range): Same.
12617 (irange::set): Rename normalize_min_max to normalize_kind.
12618 (irange::verify_range): Adjust for multi-ranges having the
12620 (irange::irange_union): Set m_kind.
12621 (irange::irange_intersect): Same.
12622 (irange::invert): Same.
12623 * value-range.h (irange::kind): Always return m_kind.
12624 (irange::varying_p): Rename to...
12625 (irange::varying_comptaible_p): ...this.
12626 (irange::undefined_p): Only look at m_kind.
12627 (irange::irange): Always set VR_UNDEFINED if applicable.
12628 (irange::set_undefined): Always set VR_UNDEFINED.
12629 (irange::set_varying): Always set m_kind to VR_VARYING.
12630 (irange::normalize_min_max): Rename to...
12631 (irange::normalize_kind): ...this.
12633 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
12635 * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
12636 Adjust for constant_p including varying_p.
12637 * tree-vrp.c (vrp_prop::finalize): Same.
12638 (determine_value_range): Same.
12639 * vr-values.c (vr_values::range_of_expr): Same.
12640 * value-range.cc (irange::symbolic_p): Do not check varying_p.
12641 (irange::constant_p): Same.
12643 2021-04-26 Aldy Hernandez <aldyh@redhat.com>
12645 * value-range.cc (irange::legacy_lower_bound): Replace
12646 !undefined_p check with num_ranges > 0.
12647 (irange::legacy_upper_bound): Same.
12648 * value-range.h (irange::type): Same.
12649 (irange::lower_bound): Same.
12650 (irange::upper_bound): Same.
12652 2021-04-26 Richard Biener <rguenther@suse.de>
12654 PR tree-optimization/99956
12655 * gimple-loop-interchange.cc (compute_access_stride):
12656 Try instantiating the access in a shallower loop nest
12657 if instantiating failed.
12658 (compute_access_strides): Pass adjustable loop_nest
12659 to compute_access_stride.
12661 2021-04-26 Christophe Lyon <christophe.lyon@linaro.org>
12663 * doc/sourcebuild.texi (arm_cmse_hw): Document.
12665 2021-04-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12667 * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
12669 2021-04-26 Thomas Schwinge <thomas@codesourcery.com>
12670 Nathan Sidwell <nathan@codesourcery.com>
12671 Tom de Vries <vries@codesourcery.com>
12672 Julian Brown <julian@codesourcery.com>
12673 Kwok Cheung Yeung <kcy@codesourcery.com>
12675 * omp-offload.c (oacc_validate_dims): Implement
12676 '-Wopenacc-parallelism'.
12677 * doc/invoke.texi (-Wopenacc-parallelism): Document.
12679 2021-04-26 Richard Biener <rguenther@suse.de>
12681 * tree-cfg.h (gimplify_build1): Remove.
12682 (gimplify_build2): Likewise.
12683 (gimplify_build3): Likewise.
12684 * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
12685 (gimplify_build2): Likewise.
12686 (gimplify_build3): Likewise.
12687 * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
12689 (gimplify_build2): Likewise.
12690 (gimplify_build3): Likewise.
12691 (tree_vec_extract): Use resimplify with following SSA edges.
12692 (expand_vector_parallel): Avoid passing NULL size/bitpos
12693 to tree_vec_extract.
12694 * expr.c (store_constructor): Deal with zero-element CTORs.
12695 * match.pd (bit_field_ref <vector CTOR>): Make sure to
12696 produce vector constants when possible.
12698 2021-04-26 Richard Biener <rguenther@suse.de>
12700 * tree-complex.c: Include gimple-fold.h.
12701 (expand_complex_addition): Use gimple_build.
12702 (expand_complex_multiplication_components): Likewise.
12703 (expand_complex_multiplication): Likewise.
12704 (expand_complex_div_straight): Likewise.
12705 (expand_complex_div_wide): Likewise.
12706 (expand_complex_division): Likewise.
12707 (expand_complex_conjugate): Likewise.
12708 (expand_complex_comparison): Likewise.
12710 2021-04-26 Richard Biener <rguenther@suse.de>
12712 * tree-ssa-phiopt.c (two_value_replacement): Remove use
12713 of legacy gimplify_buildN API.
12715 2021-04-26 Richard Biener <rguenther@suse.de>
12717 PR tree-optimization/99473
12718 * tree-ssa-phiopt.c (cond_store_replacement): Handle all
12721 2021-04-26 Richard Biener <rguenther@suse.de>
12723 * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
12724 Use replace_call_with_value.
12726 2021-04-26 Richard Biener <rguenther@suse.de>
12728 * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
12729 (update_gimple_call): Likewise.
12730 (update_call_from_tree): Likewise.
12731 * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
12732 (valid_gimple_call_p): Likewise.
12733 (move_ssa_defining_stmt_for_defs): Likewise.
12734 (finish_update_gimple_call): Likewise.
12735 (update_gimple_call): Likewise.
12736 (update_call_from_tree): Likewise.
12737 (propagate_tree_value_into_stmt): Use replace_call_with_value.
12738 * gimple-fold.h (update_gimple_call): Declare.
12739 * gimple-fold.c (valid_gimple_rhs_p): Move here from
12740 tree-ssa-propagate.c.
12741 (update_gimple_call): Likewise.
12742 (valid_gimple_call_p): Likewise.
12743 (finish_update_gimple_call): Likewise, and simplify.
12744 (gimplify_and_update_call_from_tree): Implement
12745 update_call_from_tree functionality, avoid excessive
12746 push/pop_gimplify_context.
12747 (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
12748 (gimple_fold_call): Likewise.
12749 * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
12750 * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
12751 (pass_fold_builtins::execute): Likewise.
12752 (optimize_stack_restore): Use replace_call_with_value.
12753 * tree-cfg.c (fold_loop_internal_call): Likewise.
12754 * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
12755 only gimplify_and_update_call_from_tree.
12756 * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
12757 (handle_builtin_strchr): Likewise.
12758 * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
12760 2021-04-26 Jakub Jelinek <jakub@redhat.com>
12763 * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
12764 vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
12767 2021-04-25 liuhongt <hongtao.liu@intel.com>
12770 * config/i386/i386-builtin.def (BDESC): Change the icode of
12771 the following builtins to CODE_FOR_nothing.
12772 * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
12773 IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
12774 IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
12775 IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
12776 IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
12777 IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
12778 IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
12779 IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
12780 IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
12781 * config/i386/sse.md (avx2_eq<mode>3): Deleted.
12782 (sse2_eq<mode>3): Ditto.
12783 (sse4_1_eqv2di3): Ditto.
12784 (sse2_gt<mode>3): Rename to ..
12785 (*sse2_gt<mode>3): .. this.
12787 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
12790 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
12793 * config/darwin.c (darwin_binds_local_p): Assume that any
12794 public symbol might be interposed for PIC code. Update function
12795 header comment to reflect current Darwin capability.
12797 2021-04-24 Iain Sandoe <iain@sandoe.co.uk>
12800 * config/darwin.c (darwin_binds_local_p): Assume that any
12801 public symbol might be interposed for PIC code. Update function
12802 header comment to reflect current Darwin capability.
12804 2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
12806 * doc/sourcebuild.texi: Document no-opts and any-opts target
12809 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
12811 * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
12813 2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
12815 * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
12817 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
12820 * config/i386/i386-options.c (ix86_option_override_internal):
12821 Error out when -m96bit-long-double is used with 64bit targets.
12822 * config/i386/i386.md (*pushxf_rounded): Remove pattern.
12824 2021-04-23 Martin Liska <mliska@suse.cz>
12826 * lto-wrapper.c: Remove FIXME about usage of
12827 hardware_concurrency. The function is not on par with
12830 2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
12833 * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
12834 Copy operand 3 to operand 4. Use sse_reg_operand
12835 as operand 3 predicate.
12836 (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
12837 (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
12838 (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
12839 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
12840 Copy operand 1 to operand 0.
12841 (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
12842 (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
12843 (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
12845 2021-04-23 Alex Coplan <alex.coplan@arm.com>
12847 PR rtl-optimization/100230
12848 * early-remat.c (early_remat::sort_candidates): Use delete[]
12849 instead of delete for array allocated with new[].
12851 2021-04-23 Richard Biener <rguenther@suse.de>
12853 * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
12854 (capture_info::capture_info): Likewise.
12855 (capture_info::walk_match): Likewise.
12856 (expr::gen_transform): Likewise.
12857 (dt_simplify::gen_1): Likewise.
12858 * gimple-match-head.c (maybe_resimplify_conditional_op):
12859 Remove VEC_COND_EXPR special-casing.
12860 (gimple_simplify): Likewise.
12861 * gimple.c (gimple_could_trap_p_1): Adjust.
12862 * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
12863 to participate in PRE.
12865 2021-04-23 Richard Biener <rguenther@suse.de>
12867 * cfganal.c (connect_infinite_loops_to_exit): First call
12868 add_noreturn_fake_exit_edges.
12869 * ipa-sra.c (process_scan_results): Do not call the now redundant
12870 add_noreturn_fake_exit_edges.
12871 * predict.c (tree_estimate_probability): Likewise.
12872 (rebuild_frequencies): Likewise.
12873 * store-motion.c (one_store_motion_pass): Likewise.
12875 2021-04-23 Richard Biener <rguenther@suse.de>
12877 PR tree-optimization/100222
12878 * predict.c (pass_profile::execute): Remove redundant call to
12879 mark_irreducible_loops.
12880 (report_predictor_hitrates): Likewise.
12882 2021-04-23 Richard Biener <rguenther@suse.de>
12884 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
12885 valid_gimple_rhs_p by instead gimplifying to one.
12887 2021-04-23 Richard Biener <rguenther@suse.de>
12889 PR tree-optimization/99971
12890 * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
12891 Always use TBAA for loads.
12893 2021-04-23 liuhongt <hongtao.liu@intel.com>
12896 * config/i386/i386-options.c (ix86_option_override_internal):
12897 Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
12898 when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
12899 by target attribute.
12901 2021-04-23 David Edelsohn <dje.gcc@gmail.com>
12903 * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
12905 * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
12907 2021-04-22 David Edelsohn <dje.gcc@gmail.com>
12909 * config.gcc (powerpc-ibm-aix6.*): Remove.
12910 * config/rs6000/aix61.h: Delete.
12912 2021-04-22 Martin Liska <mliska@suse.cz>
12914 PR testsuite/100159
12915 PR testsuite/100192
12916 * builtins.c (expand_builtin): Fix typos and missing comments.
12917 * dwarf2out.c (gen_subprogram_die): Likewise.
12918 (gen_struct_or_union_type_die): Likewise.
12920 2021-04-22 Uroš Bizjak <ubizjak@gmail.com>
12923 * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
12924 Remove the sign with FE_DOWNWARD, where x - x = -0.0.
12926 2021-04-21 Iain Sandoe <iain@sandoe.co.uk>
12928 * config/i386/darwin.h (TARGET_64BIT): Remove definition
12929 based on TARGET_ISA_64BIT.
12930 (TARGET_64BIT_P): Remove definition based on
12931 TARGET_ISA_64BIT_P().
12933 2021-04-21 Martin Liska <mliska@suse.cz>
12936 2021-04-21 Martin Liska <mliska@suse.cz>
12938 * lto-wrapper.c (cpuset_popcount): Remove.
12939 (init_num_threads): Remove and use hardware_concurrency.
12941 2021-04-21 Martin Liska <mliska@suse.cz>
12944 * main.c (main): Call toplev::finalize in CHECKING_P mode.
12945 * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
12946 when incremental LTO linking happens.
12948 2021-04-21 Martin Liska <mliska@suse.cz>
12950 * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
12951 makeserver cannot be detected, then use -flto=N fallback.
12953 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
12955 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
12956 default to yes for aarch64-linux-gnu.
12957 * configure: Regenerate.
12959 2021-04-21 Martin Liska <mliska@suse.cz>
12961 * lto-wrapper.c (cpuset_popcount): Remove.
12962 (init_num_threads): Remove and use hardware_concurrency.
12964 2021-04-21 Martin Liska <mliska@suse.cz>
12966 * config/i386/i386.c: Remove superfluous || TARGET_MACHO
12967 which remains to be '(... || 0)' and clang complains about it.
12968 * dwarf2out.c (AT_vms_delta): Declare conditionally.
12969 (add_AT_vms_delta): Likewise.
12970 * tree.c (fld_simplified_type): Use rather more common pattern
12971 for disabling of something (#if 0).
12972 (get_tree_code_name): Likewise.
12973 (verify_type_variant): Likewise.
12975 2021-04-21 Martin Liska <mliska@suse.cz>
12977 * config/i386/i386-expand.c (decide_alignment): Use newly named
12978 macro TARGET_CPU_P.
12979 * config/i386/i386.c (ix86_decompose_address): Likewise.
12980 (ix86_address_cost): Likewise.
12981 (ix86_lea_outperforms): Likewise.
12982 (ix86_avoid_lea_for_addr): Likewise.
12983 (ix86_add_stmt_cost): Likewise.
12984 * config/i386/i386.h (TARGET_*): Remove.
12985 (TARGET_CPU_P): New macro.
12986 * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
12987 * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
12988 (swap_top_of_ready_list): Likewise.
12989 (ix86_atom_sched_reorder): Likewise.
12990 * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
12991 * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
12993 2021-04-21 Martin Liska <mliska@suse.cz>
12995 * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
12997 (SET_TARGET_NO_SAHF): Likewise.
12998 (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
12999 (SET_TARGET_PREFETCH_SSE): Likewise.
13000 (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
13001 (SET_TARGET_NO_TUNE): Likewise.
13002 (TARGET_EXPLICIT_NO_80387_P): Likewise.
13003 (SET_TARGET_NO_80387): Likewise.
13005 * config/i386/i386.h (TARGET_*): Remove.
13006 * opth-gen.awk: Generate new used macros.
13008 2021-04-21 Martin Liska <mliska@suse.cz>
13010 * config/i386/i386.h (PTA_*): Remove.
13011 (enum pta_flag): New.
13012 (DEF_PTA): Generate PTA_* values from i386-isa.def.
13013 * config/i386/i386-isa.def: New file.
13015 2021-04-21 Alex Coplan <alex.coplan@arm.com>
13018 * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
13019 (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
13020 jump table targets.
13022 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
13024 * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
13025 x86_64-*-* targets.
13026 * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
13028 (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
13029 (ix86_handle_option): Handle -mmwait.
13030 * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
13031 Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
13032 __builtin_ia32_monitor and __builtin_ia32_mwait.
13033 * config/i386/i386-options.c (isa2_opts): Add -mmwait.
13034 (ix86_valid_target_attribute_inner_p): Likewise.
13035 (ix86_option_override_internal): Enable mwait/monitor
13036 instructions for -msse3.
13037 * config/i386/i386.h (TARGET_MWAIT): New.
13038 (TARGET_MWAIT_P): Likewise.
13039 * config/i386/i386.opt: Add -mmwait.
13040 * config/i386/mwaitintrin.h: New file.
13041 * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
13042 * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
13044 (@sse3_monitor_<mode>): Likewise.
13045 * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
13046 * doc/extend.texi: Document mwait target attribute.
13047 * doc/invoke.texi: Document -mmwait.
13049 2021-04-21 Martin Liska <mliska@suse.cz>
13051 * config/i386/i386-options.c (DEF_ENUM): Remove it.
13052 * config/i386/i386-opts.h (DEF_ENUM): Likewise.
13053 * config/i386/stringop.def (DEF_ENUM): Likewise.
13055 2021-04-21 Martin Liska <mliska@suse.cz>
13057 * tree-cfg.c (gimple_verify_flow_info): Use qD instead
13058 of print_generic_expr.
13060 2021-04-21 Jakub Jelinek <jakub@redhat.com>
13062 PR rtl-optimization/100148
13063 * cprop.c (constprop_register): Use next_nondebug_insn instead of
13066 2021-04-21 Martin Liska <mliska@suse.cz>
13069 * cgraphunit.c (cgraph_node::analyze): Remove duplicate
13070 free_dominance_info calls.
13072 2021-04-21 Richard Biener <rguenther@suse.de>
13074 * gimple-fold.c (maybe_fold_reference): Remove is_lhs
13075 parameter (and assume it to be false).
13076 (fold_gimple_assign): Adjust, remove all callers of
13077 maybe_fold_reference calling it with is_lhs true.
13078 (gimple_fold_call): Likewise.
13079 (fold_stmt_1): Likewise.
13081 2021-04-21 Richard Biener <rguenther@suse.de>
13083 * fold-const.c (pedantic_non_lvalue_loc): Remove.
13084 (fold_binary_loc): Adjust.
13085 (fold_ternary_loc): Likewise.
13087 2021-04-21 Richard Sandiford <richard.sandiford@arm.com>
13089 PR middle-end/100130
13090 * varasm.c (get_block_for_decl): Make sure that any use of the
13091 retain attribute matches the section's retain flag.
13092 (switch_to_section): Check for retain mismatches even when
13093 changing sections, but do not warn if the given decl is the
13094 section's named.decl.
13095 (output_object_block): Pass the first decl in the block (if any)
13096 to switch_to_section.
13098 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
13100 * config/i386/i386-c.c (ix86_target_macros_internal): Define
13101 __CRC32__ for -mcrc32.
13102 * config/i386/i386-options.c (ix86_option_override_internal):
13103 Enable crc32 instruction for -msse4.2.
13104 * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
13106 (sse4_2_crc32di): Likewise.
13107 * config/i386/ia32intrin.h: Use crc32 target option for CRC32
13110 2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
13113 * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
13116 2021-04-20 Martin Liska <mliska@suse.cz>
13118 * doc/invoke.texi: Fix typo.
13119 * params.opt: Likewise.
13121 2021-04-20 Martin Liska <mliska@suse.cz>
13123 * doc/invoke.texi: Document new param.
13125 2021-04-19 Andrew MacLeod <amacleod@redhat.com>
13127 PR tree-optimization/100081
13128 * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
13129 rather than gori_compute_cache.
13130 * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
13131 (range_def_chain::m_logical_depth): New member.
13132 (range_def_chain::range_def_chain): Initialize m_logical_depth.
13133 (range_def_chain::get_def_chain): Don't build defchains through more
13134 than LOGICAL_LIMIT logical expressions.
13135 * params.opt (param_ranger_logical_depth): New.
13137 2021-04-19 Richard Earnshaw <rearnsha@arm.com>
13140 * config/arm/arm.c (arm_configure_build_target): Do not strip
13141 extended FPU/SIMD feature bits from the target ISA when -mfpu
13142 is specified (partial revert of r11-8168).
13144 2021-04-19 Thomas Schwinge <thomas@codesourcery.com>
13146 * params.opt (-param=openacc-kernels=): Add.
13147 * omp-oacc-kernels-decompose.cc
13148 (pass_omp_oacc_kernels_decompose::gate): Use it.
13149 * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
13150 (--param): ... here, 'openacc-kernels'.
13152 2021-04-19 Martin Liska <mliska@suse.cz>
13155 * gengtype.c (finish_root_table): Align function arguments
13156 in between declaration and definition.
13158 2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
13160 * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
13161 frames larger than the SEH maximum frame size.
13163 2021-04-18 Segher Boessenkool <segher@kernel.crashing.org>
13165 PR rtl-optimization/99927
13166 * combine.c (distribute_notes) [REG_UNUSED]: If the register already
13167 is dead, just drop it.
13169 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
13172 * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
13173 * doc/tm.texi: Regenerate.
13174 * doc/tm.texi.in (D language and ABI): Add @hook for
13175 TARGET_D_TEMPLATES_ALWAYS_COMDAT.
13177 2021-04-17 Iain Buclaw <ibuclaw@gdcproject.org>
13179 * config/darwin-d.c (darwin_d_handle_target_object_format): New
13181 (darwin_d_register_target_info): New function.
13182 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13183 * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
13185 (dragonfly_d_register_target_info): New function.
13186 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13187 * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
13189 (freebsd_d_register_target_info): New function.
13190 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13191 * config/glibc-d.c (glibc_d_handle_target_object_format): New
13193 (glibc_d_register_target_info): New function.
13194 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13195 * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
13197 (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
13198 as handler for objectFormat key.
13199 * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
13201 (winnt_d_register_target_info): New function.
13202 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13203 * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
13205 (netbsd_d_register_target_info): New function.
13206 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13207 * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
13209 (openbsd_d_register_target_info): New function.
13210 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13211 * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
13212 (pa_d_register_target_info): Add pa_d_handle_target_object_format as
13213 handler for objectFormat key.
13214 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
13216 (rs6000_d_register_target_info): Add
13217 rs6000_d_handle_target_object_format as handler for objectFormat key.
13218 * config/sol2-d.c (solaris_d_handle_target_object_format): New
13220 (solaris_d_register_target_info): New function.
13221 (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13223 2021-04-16 Jakub Jelinek <jakub@redhat.com>
13226 * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
13227 abi_break argument from bool * to unsigned *, store there the pre-GCC 9
13229 (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
13230 (aarch64_function_arg_regno_p): Likewise. Only emit -Wpsabi note if
13231 the old and new alignment after applying MIN/MAX to it is different.
13233 2021-04-16 Tamar Christina <tamar.christina@arm.com>
13236 * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
13237 * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
13239 * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
13241 2021-04-16 Bill Schmidt <wschmidt@linux.ibm.com>
13243 * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
13244 this section and its subsections.
13246 2021-04-16 Jakub Jelinek <jakub@redhat.com>
13249 * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
13250 define_insn patterns.
13252 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
13254 PR rtl-optimization/98689
13255 * reg-notes.def (UNTYPED_CALL): New note.
13256 * combine.c (distribute_notes): Handle it.
13257 * emit-rtl.c (try_split): Likewise.
13258 * rtlanal.c (rtx_properties::try_to_add_insn): Likewise. Assume
13259 that calls with the note implicitly set all return value registers.
13260 * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
13263 2021-04-16 Richard Sandiford <richard.sandiford@arm.com>
13265 PR rtl-optimization/99596
13266 * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
13267 register accesses for const calls. Assume that pure functions
13268 can only read from global registers. Ignore cases in which
13269 the stack pointer has been marked global.
13271 2021-04-16 Jakub Jelinek <jakub@redhat.com>
13274 * tree-vect-loop.c (vect_transform_loop): Don't remove just
13275 dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
13276 them by their last argument.
13278 2021-04-15 Martin Liska <mliska@suse.cz>
13280 * doc/invoke.texi: Other params don't use it, remove it.
13282 2021-04-15 Richard Biener <rguenther@suse.de>
13284 * gimple-builder.h: Add deprecation note.
13286 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
13289 * attribs.h (restrict_type_identity_attributes_to): Declare.
13290 * attribs.c (restrict_type_identity_attributes_to): New function.
13292 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
13295 * attribs.h (affects_type_identity_attributes): Declare.
13296 * attribs.c (remove_attributes_matching): New function.
13297 (affects_type_identity_attributes): Likewise.
13299 2021-04-15 Jakub Jelinek <jakub@redhat.com>
13302 * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
13303 Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
13304 ZERO_EXTEND, SIGN_EXTEND or AND.
13306 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
13308 PR rtl-optimization/99929
13309 * rtl.h (same_vector_encodings_p): New function.
13310 * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
13311 * cselib.c (rtx_equal_for_cselib_1): Likewise.
13312 * jump.c (rtx_renumbered_equal_p): Likewise.
13313 * lra-constraints.c (operands_match_p): Likewise.
13314 * reload.c (operands_match_p): Likewise.
13315 * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
13317 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
13319 * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
13320 more information about variable-length CONST_VECTORs.
13322 2021-04-14 Vladimir N. Makarov <vmakarov@redhat.com>
13324 PR rtl-optimization/100066
13325 * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
13326 ordered modes when choosing splitting mode for hard reg.
13328 2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
13331 * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
13333 (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
13335 2021-04-14 Andreas Krebbel <krebbel@linux.ibm.com>
13337 * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
13338 for mask operand types.
13339 (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
13340 (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
13342 (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
13344 * config/s390/s390.c (s390_const_operand_ok): Check the new
13345 operand types and generate a list of valid values.
13347 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
13349 * doc/tm.texi: Regenerate.
13350 * doc/tm.texi.in (D language and ABI): Add @hook for
13351 TARGET_D_REGISTER_OS_TARGET_INFO.
13353 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
13355 * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
13357 (aarch64_d_register_target_info): New function.
13358 * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
13360 * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
13362 * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
13363 (arm_d_register_target_info): New function.
13364 * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
13365 * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13366 * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
13367 (ix86_d_register_target_info): New function.
13368 * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
13369 * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13370 * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
13371 (mips_d_register_target_info): New function.
13372 * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
13373 * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13374 * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
13375 (pa_d_register_target_info): New function.
13376 * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
13377 * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13378 * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
13380 (riscv_d_register_target_info): New function.
13381 * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
13382 * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13383 * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
13385 (rs6000_d_register_target_info): New function.
13386 * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
13388 * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13389 * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
13390 (s390_d_register_target_info): New function.
13391 * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
13392 * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13393 * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
13395 (sparc_d_register_target_info): New function.
13396 * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
13397 * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13398 * doc/tm.texi: Regenerate.
13399 * doc/tm.texi.in (D language and ABI): Add @hook for
13400 TARGET_D_REGISTER_CPU_TARGET_INFO.
13402 2021-04-14 Iain Buclaw <ibuclaw@gdcproject.org>
13404 * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
13405 * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
13406 * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
13407 * doc/tm.texi: Regenerate.
13408 * doc/tm.texi.in (D language and ABI): Add @hook for
13409 TARGET_D_HAS_STDCALL_CONVENTION.
13411 2021-04-14 Richard Biener <rguenther@suse.de>
13413 * tree-cfg.c (verify_gimple_assign_ternary): Verify that
13414 VEC_COND_EXPRs have a gimple_val condition.
13415 * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
13416 can no longer have a GENERIC condition.
13418 2021-04-14 Richard Earnshaw <rearnsha@arm.com>
13421 * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
13422 from the isa_delta when -mfpu has been used.
13423 (arm_options_perform_arch_sanity_checks): It's the architecture that
13424 lacks an FPU not the processor.
13426 2021-04-13 Richard Biener <rguenther@suse.de>
13428 PR tree-optimization/100053
13429 * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
13430 not use optimistic dominance queries for backedges to validate
13432 (dominated_by_p_w_unex): Add parameter to ignore executable
13433 state on backedges.
13434 (rpo_elim::eliminate_avail): Adjust.
13436 2021-04-13 Jakub Jelinek <jakub@redhat.com>
13439 * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
13440 *aarch64_bfxilsi_extrdi): New define_insn patterns.
13442 2021-04-13 Jakub Jelinek <jakub@redhat.com>
13445 * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
13446 outermode, return NULL if the result doesn't encode back to the
13447 original byte sequence.
13448 (simplify_gen_subreg): Don't create SUBREGs from constants to
13449 MODE_COMPOSITE_P outermode.
13451 2021-04-12 Jakub Jelinek <jakub@redhat.com>
13453 PR rtl-optimization/99905
13454 * combine.c (expand_compound_operation): If pos + len > modewidth,
13455 perform the right shift by pos in inner_mode and then convert to mode,
13456 instead of trying to simplify a shift of rtx with inner_mode by pos
13457 as if it was a shift in mode.
13459 2021-04-12 Jakub Jelinek <jakub@redhat.com>
13462 * combine.c (simplify_and_const_int_1): Don't optimize varop
13463 away if it has side-effects.
13465 2021-04-12 Martin Liska <mliska@suse.cz>
13467 * doc/extend.texi: Escape @smallexample content.
13469 2021-04-12 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
13471 * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
13472 alternative in order to load a DFP zero.
13474 2021-04-12 Martin Liska <mliska@suse.cz>
13476 * doc/extend.texi: Be more precise in documentation
13477 of symver attribute.
13479 2021-04-12 Martin Liska <mliska@suse.cz>
13482 * gimplify.c (gimplify_expr): Right now, we unpoison all
13483 variables before a goto <dest>. We should not do it if we are
13486 2021-04-12 Cui,Lili <lili.cui@intel.com>
13488 * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
13490 * common/config/i386/i386-common.c (processor_names): Add
13492 (processor_alias_table): Add rocketlake.
13493 * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
13494 INTEL_COREI7_ROCKETLAKE.
13495 * config.gcc: Add -march=rocketlake.
13496 * config/i386/i386-c.c (ix86_target_macros_internal): Handle
13498 * config/i386/i386-options.c (m_ROCKETLAKE) : Define.
13499 (processor_cost_table): Add rocketlake cost.
13500 * config/i386/i386.h (ix86_size_cost) : Define
13502 (processor_type) : Add PROCESSOR_ROCKETLAKE.
13503 (PTA_ROCKETLAKE): Ditto.
13504 * doc/extend.texi: Add rocketlake.
13505 * doc/invoke.texi: Add rocketlake.
13507 2021-04-12 Cui,Lili <lili.cui@intel.com>
13509 * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
13510 * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
13511 * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
13512 * doc/invoke.texi: Change alderlake ISA list.
13514 2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
13516 PR middle-end/98088
13517 * omp-expand.c (expand_oacc_collapse_init): Update condition in
13520 2021-04-10 H.J. Lu <hjl.tools@gmail.com>
13523 * config/i386/serializeintrin.h (_serialize): Defined as macro.
13525 2021-04-10 Jakub Jelinek <jakub@redhat.com>
13528 * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
13529 just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
13531 2021-04-10 Jakub Jelinek <jakub@redhat.com>
13533 PR middle-end/99989
13534 * gimple-ssa-warn-alloca.c
13535 (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
13536 0 with integer precision unconditionally.
13538 2021-04-10 Jakub Jelinek <jakub@redhat.com>
13540 PR rtl-optimization/98601
13541 * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
13542 not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
13543 unaligned_mems handle VOIDmode like BLKmode.
13545 2021-04-10 Jan Hubicka <hubicka@ucw.cz>
13548 * tree.c (free_lang_data_in_decl): Do not release body of
13549 declare_variant_alt.
13551 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
13553 * config/aarch64/aarch64.c (aarch64_option_restore): If the
13554 architecture was specified explicitly and the tuning wasn't,
13555 tune for the architecture rather than the configured default CPU.
13557 2021-04-09 Richard Sandiford <richard.sandiford@arm.com>
13559 * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
13560 as the temporary register.
13562 2021-04-09 Martin Liska <mliska@suse.cz>
13564 * doc/extend.texi: Move non-target attributes on the top level.
13566 2021-04-09 Martin Liska <mliska@suse.cz>
13568 * doc/invoke.texi: Document minimum and maximum value of the
13569 argument for both supported compression algorithms.
13571 2021-04-08 David Edelsohn <dje.gcc@gmail.com>
13573 * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
13574 TLS BSS before TLS data.
13575 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
13577 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
13579 * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
13581 2021-04-08 Richard Sandiford <richard.sandiford@arm.com>
13583 * match.pd: Extend vec_cond folds to handle shifts.
13585 2021-04-08 Maciej W. Rozycki <macro@orcam.me.uk>
13587 * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
13590 2021-04-08 Alex Coplan <alex.coplan@arm.com>
13593 * config/arm/iterators.md (MVE_vecs): New.
13594 (V_elem): Also handle V2DF.
13595 * config/arm/mve.md (*mve_mov<mode>): Rename to ...
13596 (*mve_vdup<mode>): ... this. Remove second alternative since
13597 vec_duplicate of const_int is not canonical RTL, and we don't
13598 want to match symbol_refs.
13599 (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
13601 2021-04-08 Xionghu Luo <luoxhu@linux.ibm.com>
13603 * fold-const.c (fold_single_bit_test): Fix typo.
13604 * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
13607 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
13609 PR tree-optimization/97513
13610 * tree-vect-slp.c (vect_add_slp_permutation): New function,
13612 (vectorizable_slp_permutation): ...here. Detect cases in which
13613 all VEC_PERM_EXPRs are guaranteed to have the same stepped
13614 permute vector and only generate one permute vector for that case.
13615 Extend that case to handle variable-length vectors.
13617 2021-04-07 Richard Sandiford <richard.sandiford@arm.com>
13619 PR tree-optimization/99873
13620 * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
13621 (vect_build_slp_instance): Don't split store groups that could
13622 use IFN_STORE_LANES.
13624 2021-04-07 Jakub Jelinek <jakub@redhat.com>
13627 * varasm.c (output_constant_pool_contents): Don't strip name encoding
13628 from XSTR (desc->sym, 0) or from label before passing those to
13631 2021-04-07 Richard Biener <rguenther@suse.de>
13633 PR tree-optimization/99954
13634 * tree-loop-distribution.c: Include tree-affine.h.
13635 (generate_memcpy_builtin): Try using tree-affine to prove
13637 (loop_distribution::classify_builtin_ldst): Always classify
13640 2021-04-07 Richard Biener <rguenther@suse.de>
13642 PR tree-optimization/99947
13643 * tree-vect-loop.c (vectorizable_induction): Pre-allocate
13644 steps vector to avoid pushing elements from the reallocated
13647 2021-04-07 Richard Biener <rguenther@suse.de>
13649 * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
13650 * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
13652 * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
13654 (debug_vn_reference_ops): New.
13656 2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
13658 PR tree-optimization/98736
13659 * tree-loop-distribution.c
13660 * (loop_distribution::bb_top_order_init):
13661 Compute RPO with programing order preserved by calling function
13662 rev_post_order_and_mark_dfs_back_seme.
13664 2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
13667 * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
13668 * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
13670 (process_bb_lives): Don't update biggest mode of hard reg for
13671 implicit in multi-register group. Use the new functions for
13672 updating dead_set and unused_set by register notes.
13674 2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
13676 * config/csky/csky_pipeline_ck802.md : Use insn reservation name
13679 2021-04-06 H.J. Lu <hjl.tools@gmail.com>
13681 * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
13682 (skylake_memset): Likewise.
13683 (skylake_cost): Change CLEAR_RATIO to 17.
13684 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
13685 Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
13686 m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
13688 2021-04-06 Richard Biener <rguenther@suse.de>
13690 PR tree-optimization/99880
13691 * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
13692 set vectorized defs of relevant PHIs.
13694 2021-04-06 Richard Biener <rguenther@suse.de>
13696 PR tree-optimization/99924
13697 * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
13698 nodes w/o scalar stmts as visited.
13700 2021-04-06 Alex Coplan <alex.coplan@arm.com>
13703 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
13704 PCS for [su]fix_optab.
13706 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
13708 * config/darwin.c (machopic_legitimize_pic_address): Check
13709 that the current pic register is one of the hard reg set
13710 before setting liveness.
13712 2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
13714 * config/darwin.c (machopic_legitimize_pic_address): Fix
13715 whitespace, remove unused code.
13717 2021-04-03 Jakub Jelinek <jakub@redhat.com>
13719 PR tree-optimization/99882
13720 * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
13723 2021-04-03 Jakub Jelinek <jakub@redhat.com>
13725 PR rtl-optimization/99863
13726 * dse.c (replace_read): Drop regs_live argument. Instead of
13727 regs_live, use store_insn->fixed_regs_live if non-NULL,
13728 otherwise punt if insns sequence clobbers or sets any hard
13731 2021-04-03 Jakub Jelinek <jakub@redhat.com>
13734 * targhooks.h (default_print_patchable_function_entry_1): Declare.
13735 * targhooks.c (default_print_patchable_function_entry_1): New function,
13736 copied from default_print_patchable_function_entry with an added flags
13738 (default_print_patchable_function_entry): Rewritten into a small
13739 wrapper around default_print_patchable_function_entry_1.
13740 * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
13742 (rs6000_print_patchable_function_entry): New function.
13744 2021-04-02 Eric Botcazou <ebotcazou@adacore.com>
13746 * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
13748 2021-04-01 Jason Merrill <jason@redhat.com>
13751 * common.opt: Document v15 and v16.
13753 2021-04-01 Richard Biener <rguenther@suse.de>
13755 PR tree-optimization/99863
13756 * gimplify.c (gimplify_init_constructor): Recompute vector
13759 2021-04-01 Jakub Jelinek <jakub@redhat.com>
13761 * doc/extend.texi (symver attribute): Fix up syntax errors
13764 2021-04-01 Jakub Jelinek <jakub@redhat.com>
13766 PR tree-optimization/96573
13767 * gimple-ssa-store-merging.c (init_symbolic_number): Handle
13768 also pointer types.
13770 2021-04-01 Richard Biener <rguenther@suse.de>
13772 PR tree-optimization/99856
13773 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
13774 precision to vector element precision.
13776 2021-04-01 Martin Jambor <mjambor@suse.cz>
13778 PR tree-optimization/97009
13779 * tree-sra.c (access_or_its_child_written): New function.
13780 (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
13783 2021-03-31 Jan Hubicka <hubicka@ucw.cz>
13786 * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
13788 2021-03-31 Pat Haugen <pthaugen@linux.ibm.com>
13791 * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
13792 xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
13793 xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
13794 * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
13795 mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
13796 mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
13798 * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
13799 * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
13800 (define_attr "prefixed"): Update initializer.
13802 2021-03-31 Jakub Jelinek <jakub@redhat.com>
13805 * dwarf2out.c (debug_ranges_dwo_section): New variable.
13806 (DW_RANGES_IDX_SKELETON): Define.
13807 (struct dw_ranges): Add begin_entry and end_entry members.
13808 (DEBUG_DWO_RNGLISTS_SECTION): Define.
13809 (add_ranges_num): Adjust r initializer for addition of *_entry
13811 (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
13812 set idx to DW_RANGES_IDX_SKELETON.
13813 (use_distinct_base_address_for_range): New function.
13814 (index_rnglists): Don't set r->idx if it is equal to
13815 DW_RANGES_IDX_SKELETON. Initialize r->begin_entry and
13816 r->end_entry for -gsplit-dwarf if those will be needed by
13818 (output_rnglists): Add DWO argument. If true, switch to
13819 debug_ranges_dwo_section rather than debug_ranges_section.
13820 Adjust l1/l2 label indexes. Only output the offset table when
13821 dwo is true and don't include in there the skeleton range
13822 entry if present. For -gsplit-dwarf, skip ranges that belong
13823 to the other rnglists section. Change return type from void
13824 to bool and return true if there are any range entries for
13825 the other section. For dwarf_split_debug_info use
13826 DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
13827 entries instead of DW_RLE_start_end, DW_RLE_start_length and
13828 DW_RLE_base_address. Use use_distinct_base_address_for_range.
13829 (init_sections_and_labels): Initialize debug_ranges_dwo_section
13830 if -gsplit-dwarf and DWARF >= 5. Adjust ranges_section_label
13831 and range_base_label indexes.
13832 (dwarf2out_finish): Call index_rnglists earlier before finalizing
13833 .debug_addr. Never emit DW_AT_rnglists_base attribute. For
13834 -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
13835 with different dwo arguments.
13836 (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
13838 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13840 PR tree-optimization/98268
13841 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
13842 recompute_tree_invariant_for_addr_expr after successfully
13843 folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
13845 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13847 PR tree-optimization/99726
13848 * tree-data-ref.c (create_intersect_range_checks_index): Bail
13849 out if there is more than one access function SCEV for the loop
13852 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13854 PR rtl-optimization/97141
13855 PR rtl-optimization/98726
13856 * emit-rtl.c (valid_for_const_vector_p): Return true for
13858 * rtx-vector-builder.h (rtx_vector_builder::step): Return a
13859 poly_wide_int instead of a wide_int.
13860 (rtx_vector_builder::apply_set): Take a poly_wide_int instead
13862 * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
13863 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
13864 false for CONST_VECTORs that cannot be forced to memory.
13865 * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
13866 is too complex to force to memory, build it up from individual
13869 2021-03-31 Jan Hubicka <jh@suse.cz>
13872 * cgraph.c (cgraph_node::release_body): Fix overactive check.
13874 2021-03-31 Christophe Lyon <christophe.lyon@linaro.org>
13877 * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
13880 2021-03-31 H.J. Lu <hjl.tools@gmail.com>
13882 * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
13883 For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
13885 (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
13886 "rep movsb/stosb" only for known sizes.
13887 * config/i386/i386-options.c (processor_cost_table): Use Ice
13888 Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
13889 Rapids and Alder Lake.
13890 * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
13891 * config/i386/x86-tune-costs.h (icelake_memcpy): New.
13892 (icelake_memset): Likewise.
13893 (icelake_cost): Likewise.
13894 * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
13897 2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
13900 * config/aarch64/aarch64.c
13901 (aarch64_vectorize_preferred_vector_alignment): Query the size
13902 of the provided SVE vector; do not assume that all SVE vectors
13903 have the same size.
13905 2021-03-31 Jan Hubicka <jh@suse.cz>
13908 * cgraph.c (cgraph_node::release_body): Remove all callers and
13910 * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
13911 * cgraphunit.c (cgraph_node::expand): And here.
13913 2021-03-31 Martin Liska <mliska@suse.cz>
13915 * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
13916 and one negated condition.
13918 2021-03-31 Jakub Jelinek <jakub@redhat.com>
13919 Richard Sandiford <richard.sandiford@arm.com>
13922 * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
13923 constraints on operands[2] and similarly 0 and rk constraints
13924 on operands[1] corresponding to that.
13926 2021-03-31 Jakub Jelinek <jakub@redhat.com>
13929 * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
13930 linker doesn't support DWARF sections new in DWARF5.
13931 * config/i386/i386-options.c (ix86_option_override_internal): Default
13932 to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
13934 * config.in: Regenerated.
13935 * configure: Regenerated.
13937 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13940 * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
13941 available issue_info before using it.
13943 2021-03-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13946 * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
13949 2021-03-30 Xionghu Luo <luoxhu@linux.ibm.com>
13952 * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
13953 (altivec_lvsl_reg_<mode>): ... this.
13954 (altivec_lvsr_reg): Change to ...
13955 (altivec_lvsr_reg_<mode>): ... this.
13956 * config/rs6000/predicates.md (vec_set_index_operand): New.
13957 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13958 Enable 32bit variable vec_insert for all TARGET_VSX.
13959 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
13960 Enable 32bit variable vec_insert for p9 and above.
13961 (rs6000_expand_vector_set_var_p8): Rename to ...
13962 (rs6000_expand_vector_set_var_p7): ... this.
13963 (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
13965 * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
13966 * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
13967 gen_altivec_lvsr_reg_di.
13969 2021-03-30 H.J. Lu <hjl.tools@gmail.com>
13972 * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
13973 (__rdtscp): Likewise.
13975 2021-03-30 Tamar Christina <tamar.christina@arm.com>
13977 PR tree-optimization/99825
13978 * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
13979 Reject non-mult 2 lanes.
13981 2021-03-30 Richard Earnshaw <rearnsha@arm.com>
13984 * config/arm/arm.c (arm_file_start): Fix emission of
13985 Tag_ABI_VFP_args attribute.
13987 2021-03-30 Richard Biener <rguenther@suse.de>
13989 PR tree-optimization/99824
13990 * stor-layout.c (set_min_and_max_values_for_integral_type):
13991 Assert the precision is within the bounds of
13992 WIDE_INT_MAX_PRECISION.
13993 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
13994 the outermost component ref only to lower the access size
13995 and initialize that from the access type.
13997 2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
14000 * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
14001 CONST_INTs to aarch64_expand_mov_immediate when called after RA.
14003 2021-03-30 Mihailo Stojanovic <mihailo.stojanovic@typhoon-hil.com>
14005 * config/aarch64/aarch64.md
14006 (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
14007 attribute to disambiguate between SIMD and FP variants of the
14010 2021-03-29 Jan Hubicka <hubicka@ucw.cz>
14012 * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
14013 (analyze_ssa_name_flags): Fix typo in comment.
14015 2021-03-29 Alex Coplan <alex.coplan@arm.com>
14018 * config/aarch64/aarch64-sve-builtins.cc
14019 (function_builder::add_function): Add placeholder_p argument, use
14020 placeholder decls if this is set.
14021 (function_builder::add_unique_function): Instead of conditionally adding
14022 direct overloads, unconditionally add either a direct overload or a
14024 (function_builder::add_overloaded_function): Set placeholder_p if we're
14025 using C++ overloads. Use the obstack for string storage instead
14026 of relying on the tree nodes.
14027 (function_builder::add_overloaded_functions): Don't return early for
14028 m_direct_overloads: we need to add placeholders.
14029 * config/aarch64/aarch64-sve-builtins.h
14030 (function_builder::add_function): Add placeholder_p argument.
14032 2021-03-29 Richard Biener <rguenther@suse.de>
14034 PR tree-optimization/99807
14035 * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
14036 assert below VEC_PERM handling.
14038 2021-03-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14041 * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
14042 aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
14043 matching const_int 0.
14044 (move_lo_quad_internal_be_<mode>): Likewise.
14045 (move_lo_quad_<mode>): Update for the above.
14046 * config/aarch64/iterators.md (VQ_2E): Delete.
14048 2021-03-29 Jakub Jelinek <jakub@redhat.com>
14050 PR tree-optimization/99777
14051 * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
14052 types other than scalar integral types.
14054 2021-03-28 David Edelsohn <dje.gcc@gmail.com>
14056 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
14057 XCOFF TLS reloc decorations.
14059 2021-03-28 Gerald Pfeifer <gerald@pfeifer.com>
14061 * doc/analyzer.texi (Analyzer Internals): Update link to
14062 "A Memory Model for Static Analysis of C Programs".
14064 2021-03-26 David Edelsohn <dje.gcc@gmail.com>
14066 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
14067 * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
14069 * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
14070 (rs6000_special_round_type_align): Recursively check innermost first
14073 2021-03-26 Jakub Jelinek <jakub@redhat.com>
14076 * dwarf2out.h (struct dw_fde_node): Add rule18 member.
14077 * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
14078 assignment with drap_reg active, queue reg save for hfp with offset 0
14079 and flush queued reg saves. When handling a push with rule18,
14080 defer queueing reg save for hfp and just assert the offset is 0.
14081 (scan_trace): Assert that fde->rule18 is false.
14083 2021-03-26 Vladimir Makarov <vmakarov@redhat.com>
14086 * ira-costs.c (record_reg_classes): Put case with
14087 CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
14088 * ira.c (ira_setup_alts): Ditto.
14089 * lra-constraints.c (process_alt_operands): Ditto.
14090 * recog.c (asm_operand_ok): Ditto.
14091 * reload.c (find_reloads): Ditto.
14093 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14095 * config/aarch64/aarch64-protos.h
14096 (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
14097 (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
14098 * config/aarch64/aarch64.c (generic_addrcost_table): Update
14099 accordingly, using the same costs as for post_modify.
14100 (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
14101 (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
14102 (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
14103 (a64fx_addrcost_table): Likewise.
14104 (neoversev1_addrcost_table): New.
14105 (neoversev1_tunings): Use neoversev1_addrcost_table.
14106 (aarch64_address_cost): Use the new post_modify costs for CImode
14109 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14111 * config/aarch64/aarch64.opt
14112 (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
14113 * doc/invoke.texi: Document it.
14114 * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
14115 (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
14116 (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
14117 (aarch64_vec_issue_info): New structures.
14118 (cpu_vector_cost): Write comments above the variables rather
14120 (cpu_vector_cost::issue_info): New member variable.
14121 * config/aarch64/aarch64.c: Include gimple-pretty-print.h
14122 and tree-ssa-loop-niter.h.
14123 (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
14124 (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
14125 (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
14126 (thunderx3t110_vector_cost): Initialize issue_info to null.
14127 (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
14128 (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
14129 (neoversev1_vector_cost): Use them.
14130 (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
14131 (aarch64_vector_costs::saw_sve_only_op): New member variable.
14132 (aarch64_vector_costs::num_vector_iterations): Likewise.
14133 (aarch64_vector_costs::scalar_ops): Likewise.
14134 (aarch64_vector_costs::advsimd_ops): Likewise.
14135 (aarch64_vector_costs::sve_ops): Likewise.
14136 (aarch64_vector_costs::seen_loads): Likewise.
14137 (aarch64_simd_vec_costs_for_flags): New function.
14138 (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
14139 Count the number of predicate operations required by SVE WHILE
14141 (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
14142 (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
14143 (aarch64_count_ops): Likewise.
14144 (aarch64_add_stmt_cost): Record whether see an SVE operation
14145 that cannot currently be implementing using Advanced SIMD.
14146 Record issue information about the scalar, Advanced SIMD
14147 and (where relevant) SVE versions of a loop.
14148 (aarch64_vec_op_count::dump): New function.
14149 (aarch64_sve_op_count::dump): Likewise.
14150 (aarch64_estimate_min_cycles_per_iter): Likewise.
14151 (aarch64_adjust_body_cost): If issue information is available,
14152 try to compare the issue rates of the various loop implementations
14153 and increase or decrease the vector body cost accordingly.
14155 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14157 * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
14158 Assume a zero cost for induction phis.
14160 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14162 * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
14164 (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
14165 vector comparisons.
14167 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14169 * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
14171 (aarch64_add_stmt_cost): Call it.
14173 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14175 * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
14176 New tuning parameter.
14177 * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
14178 (aarch64_estimated_sve_vq): New function.
14179 (aarch64_vector_costs::analyzed_vinfo): New member variable.
14180 (aarch64_vector_costs::is_loop): Likewise.
14181 (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
14182 (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
14183 (aarch64_record_potential_advsimd_unrolling): New function.
14184 (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
14185 (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
14186 aarch64_analyze_bb_vinfo on the first use of a costs structure.
14187 Detect whether we're vectorizing a loop for SVE that might be
14188 completely unrolled if it used Advanced SIMD instead.
14189 (aarch64_adjust_body_cost_for_latency): New function.
14190 (aarch64_finish_cost): Call it.
14192 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14194 * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
14195 (aarch64_init_cost): New function.
14196 (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
14197 the default unsigned[3].
14198 (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
14199 (TARGET_VECTORIZE_INIT_COST): Override.
14200 (TARGET_VECTORIZE_FINISH_COST): Likewise.
14201 (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
14203 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14205 * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
14206 (neoversev1_sve_vector_cost): New cost structures.
14207 (neoversev1_vector_cost): Likewise.
14208 (neoversev1_tunings): Use them. Enable use_new_vector_costs.
14210 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14212 * config/aarch64/aarch64-protos.h
14213 (sve_vec_cost::scatter_store_elt_cost): New member variable.
14214 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
14215 accordingly, taking the cost from the cost of a scalar_store.
14216 (a64fx_sve_vector_cost): Likewise.
14217 (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
14219 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14221 * config/aarch64/aarch64-protos.h
14222 (simd_vec_cost::store_elt_extra_cost): New member variable.
14223 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
14224 accordingly, using the vec_to_scalar cost for the new field.
14225 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
14226 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
14227 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
14228 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
14229 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
14230 (thunderx3t110_advsimd_vector_cost): Likewise.
14231 (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
14233 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14235 * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
14236 (simd_vec_cost::ld3_st3_permute_cost): New member variables.
14237 (simd_vec_cost::ld4_st4_permute_cost): Likewise.
14238 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
14239 accordingly, using zero for the new costs.
14240 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
14241 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
14242 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
14243 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
14244 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
14245 (thunderx3t110_advsimd_vector_cost): Likewise.
14246 (aarch64_ld234_st234_vectors): New function.
14247 (aarch64_adjust_stmt_cost): Likewise.
14248 (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
14249 the new vector costs.
14251 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14253 * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
14254 derived class of simd_vec_cost. Add information about CLAST[AB]
14255 and FADDA instructions.
14256 * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
14257 accordingly, using the vec_to_scalar costs for the new fields.
14258 (a64fx_sve_vector_cost): Likewise.
14259 (aarch64_reduc_type): New function.
14260 (aarch64_sve_in_loop_reduction_latency): Likewise.
14261 (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
14262 Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
14263 that occur in the loop body.
14264 (aarch64_add_stmt_cost): Update call accordingly.
14266 2021-03-26 Richard Sandiford <richard.sandiford@arm.com>
14268 * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
14270 * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
14271 above the fields rather than to the right.
14272 (simd_vec_cost::reduc_i8_cost): New member variable.
14273 (simd_vec_cost::reduc_i16_cost): Likewise.
14274 (simd_vec_cost::reduc_i32_cost): Likewise.
14275 (simd_vec_cost::reduc_i64_cost): Likewise.
14276 (simd_vec_cost::reduc_f16_cost): Likewise.
14277 (simd_vec_cost::reduc_f32_cost): Likewise.
14278 (simd_vec_cost::reduc_f64_cost): Likewise.
14279 * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
14280 accordingly, using the vec_to_scalar_cost for the new fields.
14281 (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
14282 (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
14283 (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
14284 (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
14285 (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
14286 (thunderx3t110_advsimd_vector_cost): Likewise.
14287 (aarch64_use_new_vector_costs_p): New function.
14288 (aarch64_simd_vec_costs): New function, split out from...
14289 (aarch64_builtin_vectorization_cost): ...here.
14290 (aarch64_is_reduction): New function.
14291 (aarch64_detect_vector_stmt_subtype): Likewise.
14292 (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
14293 using the new vector costs.
14295 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
14298 * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
14299 TLS declarations as public.
14301 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
14303 * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
14304 * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
14305 * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
14306 * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
14307 * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
14308 * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
14309 * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
14310 * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
14311 * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
14313 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
14316 * config.gcc (*-*-cygwin*): Add winnt-d.o
14317 (*-*-mingw*): Likewise.
14318 * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
14319 * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
14320 * config/i386/t-cygming: Add winnt-d.o.
14321 * config/i386/winnt-d.c: New file.
14323 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
14325 * config/freebsd-d.c: Include memmodel.h.
14327 2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
14330 * config.gcc (*-*-openbsd*): Add openbsd-d.o.
14331 * config/t-openbsd: Add openbsd-d.o.
14332 * config/openbsd-d.c: New file.
14334 2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
14336 PR tree-optimization/96974
14337 * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
14338 with graceful exit.
14340 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
14343 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
14347 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
14348 always_inline in system headers.
14350 2021-03-25 Kewen Lin <linkw@linux.ibm.com>
14352 * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
14354 2021-03-25 Jakub Jelinek <jakub@redhat.com>
14357 * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
14358 * fold-const.c (operand_compare::operand_equal_p): Don't compare
14359 field offsets if OEP_ADDRESS_OF_SAME_FIELD.
14361 2021-03-25 H.J. Lu <hjl.tools@gmail.com>
14365 * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
14366 always_inline in system headers.
14368 2021-03-25 Richard Biener <rguenther@suse.de>
14370 PR tree-optimization/99746
14371 * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
14372 the scalar stmt as patterned. Instead set up required things
14375 2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
14377 * config/rs6000/rs6000.c (power8_costs): Change l2 cache
14380 2021-03-24 Martin Liska <mliska@suse.cz>
14383 * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
14385 * config/i386/i386-options.c (ix86_option_override_internal):
14386 Add run-time assert.
14388 2021-03-24 Martin Jambor <mjambor@suse.cz>
14391 * ipa-cp.c (initialize_node_lattices): Mark as bottom all
14392 parameters with unknown type.
14393 (ipacp_value_safe_for_type): New function.
14394 (propagate_vals_across_arith_jfunc): Verify that the constant type
14395 can be used for a type of the formal parameter.
14396 (propagate_vals_across_ancestor): Likewise.
14397 (propagate_scalar_across_jump_function): Likewise. Pass the type
14398 also to propagate_vals_across_ancestor.
14400 2021-03-24 Christophe Lyon <christophe.lyon@linaro.org>
14403 * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
14405 (movmisalign<mode>_mve_load): Likewise.
14407 2021-03-24 Jakub Jelinek <jakub@redhat.com>
14410 * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
14411 movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
14413 2021-03-24 Alexandre Oliva <oliva@adacore.com>
14415 * doc/sourcebuild.texi (sysconf): New effective target.
14417 2021-03-24 Alexandre Oliva <oliva@adacore.com>
14419 * config/i386/predicates.md (reg_or_const_vec_operand): New.
14420 * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
14421 the now *-prefixed insn_and_split, turn the splitter const vec
14422 into an input for the insn, making it an ignored immediate for
14423 non-split cases, and loaded into the scratch register
14426 2021-03-23 Vladimir N. Makarov <vmakarov@redhat.com>
14429 * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
14430 Use define_relaxed_memory_constraint for them.
14432 2021-03-23 Iain Sandoe <iain@sandoe.co.uk>
14435 * config/host-darwin.c (darwin_gt_pch_use_address): Add a
14436 colon to the diagnostic message.
14438 2021-03-23 Ilya Leoshkevich <iii@linux.ibm.com>
14440 * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
14442 (try_fwprop_subst_note): Use set_info instead of insn_info.
14443 (try_fwprop_subst_pattern): Likewise.
14444 (try_fwprop_subst_notes): Likewise.
14445 (try_fwprop_subst): Likewise.
14446 (forward_propagate_subreg): Likewise.
14447 (forward_propagate_and_simplify): Likewise.
14448 (forward_propagate_into): Likewise.
14449 * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
14451 (set_info::single_nondebug_insn_use): Likewise.
14452 (set_info::single_phi_use): Likewise.
14453 * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
14455 (set_info::single_nondebug_insn_use): Likewise.
14456 (set_info::single_phi_use): Likewise.
14458 2021-03-23 Christophe Lyon <christophe.lyon@linaro.org>
14460 * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
14462 2021-03-23 Jakub Jelinek <jakub@redhat.com>
14465 * config/aarch64/aarch64.c (aarch64_add_offset): Tell
14466 expand_mult to perform an unsigned rather than a signed
14469 2021-03-23 H.J. Lu <hjl.tools@gmail.com>
14472 * config/i386/cpuid.h (__cpuid): Add __volatile__.
14473 (__cpuid_count): Likewise.
14475 2021-03-23 Richard Biener <rguenther@suse.de>
14477 PR tree-optimization/99721
14478 * tree-vect-slp.c (vect_slp_analyze_node_operations):
14479 Make sure we can schedule the node.
14481 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
14483 * config/riscv/riscv.c (riscv_subword): Take endianness into
14484 account when calculating the byte offset.
14486 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
14488 * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
14489 * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
14490 (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
14491 (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
14492 (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
14493 new predicate "subreg_lowpart_operator"
14495 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
14497 * config/riscv/riscv.c (riscv_swap_instruction): New function
14498 to byteswap an SImode rtx containing an instruction.
14499 (riscv_trampoline_init): Byteswap the generated instructions
14502 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
14504 * common/config/riscv/riscv-common.c
14505 (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
14506 * config.gcc (riscv32be-*, riscv64be-*): Set
14507 TARGET_BIG_ENDIAN_DEFAULT to 1.
14508 * config/riscv/elf.h (LINK_SPEC): Change -melf* value
14509 depending on default endianness.
14510 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
14511 * config/riscv/linux.h (LINK_SPEC): Likewise.
14512 * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
14513 default endianness.
14514 * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
14516 2021-03-23 Marcus Comstedt <marcus@mc.pp.se>
14518 * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
14519 * config/riscv/freebsd.h (LINK_SPEC): Likewise.
14520 * config/riscv/linux.h (LINK_SPEC): Likewise.
14521 * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
14523 (BYTES_BIG_ENDIAN): Handle big endian.
14524 (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
14525 * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
14527 * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
14529 2021-03-23 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
14531 * regcprop.c (find_oldest_value_reg): Ask target whether
14532 different mode is fine for replacement register.
14534 2021-03-23 Aldy Hernandez <aldyh@redhat.com>
14536 PR tree-optimization/99296
14537 * value-range.cc (irange::irange_set_1bit_anti_range): New.
14538 (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
14539 * value-range.h (irange::irange_set_1bit_anti_range): New.
14541 2021-03-22 Vladimir N. Makarov <vmakarov@redhat.com>
14544 * config/aarch64/constraints.md (UtQ): Use
14545 define_relaxed_memory_constraint for it.
14546 * doc/md.texi (define_relaxed_memory_constraint): Describe it.
14547 * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
14548 * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
14549 (have_relaxed_memory_constraints): New static var.
14550 (relaxed_memory_start, relaxed_memory_end): Ditto.
14551 (add_constraint): Add arg is_relaxed_memory. Check name for
14552 relaxed memory. Set up is_relaxed_memory in constraint_data and
14553 have_relaxed_memory_constraints. Adjust calls.
14554 (choose_enum_order): Process relaxed memory.
14555 (write_tm_preds_h): Ditto.
14556 (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
14557 * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
14558 * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
14559 * ira-lives.c (single_reg_class): Use
14560 insn_extra_relaxed_memory_constraint.
14561 * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
14562 * lra-constraints.c (valid_address_p): Use
14563 insn_extra_relaxed_memory_constraint instead of other memory
14565 (process_alt_operands): Process CT_RELAXED_MEMORY.
14566 (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
14567 * recog.c (asm_operand_ok, preprocess_constraints): Process
14569 * reload.c (find_reloads): Ditto.
14570 * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
14571 * stmt.c (parse_input_constraint): Use
14572 insn_extra_relaxed_memory_constraint.
14574 2021-03-22 Segher Boessenkool <segher@kernel.crashing.org>
14577 * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
14580 2021-03-22 Alex Coplan <alex.coplan@arm.com>
14583 * config/arm/arm-protos.h (neon_make_constant): Add generate
14584 argument to guard emitting insns, default to true.
14585 * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
14586 CONST_VECTORs which neon_make_constant can't handle.
14587 (neon_vdup_constant): Add generate argument, avoid emitting
14588 insns if it's not set.
14589 (neon_make_constant): Plumb new generate argument through.
14590 * config/arm/constraints.md (Ui): New. Use it...
14591 * config/arm/mve.md (*mve_mov<mode>): ... here.
14592 * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
14593 synthesize constants.
14595 2021-03-22 Richard Biener <rguenther@suse.de>
14597 * debug.h: Add deprecation warning.
14599 2021-03-22 Richard Biener <rguenther@suse.de>
14601 PR tree-optimization/99694
14602 * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
14605 2021-03-22 Kito Cheng <kito.cheng@sifive.com>
14608 * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
14609 after type checking.
14611 2021-03-22 Jakub Jelinek <jakub@redhat.com>
14615 * dwarf2out.c (get_full_len): Use get_precision rather than
14617 (add_const_value_attribute): Make sure add_AT_wide argument has
14618 precision prec rather than some very wide one.
14620 2021-03-22 Kewen Lin <linkw@linux.ibm.com>
14622 * config/rs6000/rs6000.md (*rotldi3_insert_sf,
14623 *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
14624 floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
14625 floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
14626 *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
14627 fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
14628 *round32<mode>2_fprs, *roundu32<mode>2_fprs,
14629 *fix_trunc<mode>si2_internal): Fix empty split condition.
14630 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
14631 vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
14632 *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
14633 *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
14635 2021-03-22 Xionghu Luo <luoxhu@linux.ibm.com>
14638 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
14639 Convert idx to DImode.
14640 (rs6000_expand_vector_set_var_p8): Likewise.
14642 2021-03-21 Jakub Jelinek <jakub@redhat.com>
14645 * dwarf2out.c (insert_float): Change return type from void to
14646 unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
14647 (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
14650 2021-03-20 H.J. Lu <hjl.tools@gmail.com>
14653 * config/i386/i386.c (construct_container): Check cfun != NULL
14654 before accessing silent_p.
14656 2021-03-20 Ahamed Husni <ahamedhusni73@gmail.com>
14658 * asan.c: Fix typos in comments.
14660 2021-03-20 Vladimir N. Makarov <vmakarov@redhat.com>
14662 PR rtl-optimization/99680
14663 * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
14664 (process_address_1): Check empty constraint before using
14667 2021-03-19 Pat Haugen <pthaugen@linux.ibm.com>
14669 * config/rs6000/rs6000.c (power10_cost): New.
14670 (rs6000_option_override_internal): Set Power10 costs.
14671 (rs6000_issue_rate): Set Power10 issue rate.
14672 * config/rs6000/power10.md: Rewrite for Power10.
14674 2021-03-19 Vladimir N. Makarov <vmakarov@redhat.com>
14677 * lra-constraints.c (process_address_1): Don't use unknown
14678 constraint for address constraint.
14680 2021-03-19 Iain Sandoe <iain@sandoe.co.uk>
14683 * config.gcc (powerpc-*-darwin8): Delete the reference to
14684 the now removed darwin8.h.
14686 2021-03-19 Olivier Hainque <hainque@adacore.com>
14689 * config/vxworksae.h (VX_CPU_PREFIX): Define.
14691 2021-03-19 John David Anglin <danglin@gcc.gnu.org>
14693 * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
14695 2021-03-19 Tamar Christina <tamar.christina@arm.com>
14697 PR tree-optimization/99656
14698 * tree-vect-slp-patterns.c (linear_loads_p,
14699 complex_add_pattern::matches, is_eq_or_top,
14700 vect_validate_multiplication, complex_mul_pattern::matches,
14701 complex_fms_pattern::matches): Remove complex_perm_kinds_t.
14702 * tree-vectorizer.h: (complex_load_perm_t): Removed.
14703 (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
14704 complex_load_perm_t.
14706 2021-03-19 H.J. Lu <hjl.tools@gmail.com>
14709 * config/i386/i386-options.c (ix86_init_machine_status): Set
14711 * config/i386/i386.c (init_cumulative_args): Set silent_p to
14713 (construct_container): Return early for return and argument
14714 errors if silent_p is true.
14715 * config/i386/i386.h (machine_function): Add silent_p.
14717 2021-03-19 Jakub Jelinek <jakub@redhat.com>
14720 * config/arm/constraints.md (Ds): New constraint.
14721 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
14722 constraint instead of w,Dm.
14724 2021-03-19 Andrew Stubbs <ams@codesourcery.com>
14726 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
14729 2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
14731 PR middle-end/99641
14732 * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
14733 array type, do the computation of the current position in sizetype.
14735 2021-03-18 Vladimir N. Makarov <vmakarov@redhat.com>
14738 * lra-constraints.c (process_address_1): Use lookup_constraint
14739 only for a single constraint.
14741 2021-03-18 Martin Sebor <msebor@redhat.com>
14743 PR middle-end/99502
14744 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
14745 (inbounds_memaccess_p): ...to this. Check the ending offset of
14746 the accessed member.
14748 2021-03-18 Andrew Stubbs <ams@codesourcery.com>
14750 * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
14751 %> quote markers to error messages.
14752 (gcn_goacc_validate_dims): Likewise.
14753 (gcn_conditional_register_usage): Remove exclaimation mark from error
14755 (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
14757 2021-03-18 Jan Hubicka <hubicka@ucw.cz>
14759 * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
14762 2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
14763 Kito Cheng <kito.cheng@sifive.com>
14765 * config/riscv/riscv.c (riscv_block_move_straight): Change type
14766 to unsigned HOST_WIDE_INT for parameter and local variable with
14767 HOST_WIDE_INT type.
14768 (riscv_adjust_block_mem): Ditto.
14769 (riscv_block_move_loop): Ditto.
14770 (riscv_expand_block_move): Ditto.
14772 2021-03-18 Nick Clifton <nickc@redhat.com>
14774 * config/v850/v850.c (construct_restore_jr): Increase static
14776 (construct_save_jarl): Likewise.
14777 * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
14779 2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14781 * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
14782 (aarch64_override_options_internal): Use it.
14783 (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
14786 2021-03-17 Sandra Loosemore <sandra@codesourcery.com>
14788 * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
14789 error message format issues.
14790 (nios2_option_override): Likewise.
14791 (nios2_expand_fpu_builtin): Likewise.
14792 (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
14793 truncation warning.
14794 (nios2_expand_custom_builtin): More error message format fixes.
14795 (nios2_expand_rdwrctl_builtin): Likewise.
14796 (nios2_expand_rdprs_builtin): Likewise.
14797 (nios2_expand_eni_builtin): Likewise.
14798 (nios2_expand_builtin): Likewise.
14799 (nios2_register_custom_code): Likewise.
14800 (nios2_valid_target_attribute_rec): Likewise.
14801 (nios2_add_insn_asm): Fix uninitialized variable warning.
14803 2021-03-17 Jan Hubicka <jh@suse.cz>
14805 * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
14806 of gather to match reality.
14807 * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
14809 2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14811 * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
14812 to compare against CC_REG rather than NE.
14814 2021-03-17 H.J. Lu <hjl.tools@gmail.com>
14817 * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
14818 inline assembly statements.
14819 (ix86_print_operand): Update 'P' handling for -fno-plt.
14821 2021-03-17 Tamar Christina <tamar.christina@arm.com>
14824 * config/aarch64/aarch64.c
14825 (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
14827 2021-03-16 Segher Boessenkool <segher@kernel.crashing.org>
14830 * config/rs6000/predicates.md (branch_comparison_operator): Allow
14831 ordered and unordered for CCFPmode, if flag_finite_math_only.
14833 2021-03-16 Jakub Jelinek <jakub@redhat.com>
14836 * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
14837 rather than ASHIFT.
14838 * config/i386/i386.md (mult by 1248 into ashift): New splitter.
14840 2021-03-16 Martin Liska <mliska@suse.cz>
14843 * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
14844 cl_optimization_compare function.
14846 2021-03-16 Ilya Leoshkevich <iii@linux.ibm.com>
14848 * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
14851 2021-03-16 Jakub Jelinek <jakub@redhat.com>
14854 * config/i386/i386.h (struct machine_function): Add
14855 has_explicit_vzeroupper bitfield.
14856 * config/i386/i386-expand.c (ix86_expand_builtin): Set
14857 cfun->machine->has_explicit_vzeroupper when expanding
14858 IX86_BUILTIN_VZEROUPPER.
14859 * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
14860 Do the mode switching only when TARGET_VZEROUPPER, expensive
14861 optimizations turned on and not optimizing for size.
14862 (pass_insert_vzeroupper::gate): Enable even when
14863 cfun->machine->has_explicit_vzeroupper is set.
14865 2021-03-16 Jakub Jelinek <jakub@redhat.com>
14868 * config/aarch64/aarch64.c
14869 (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
14870 definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
14871 instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
14873 2021-03-15 Richard Biener <rguenther@suse.de>
14875 PR tree-optimization/98834
14876 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
14877 subsetting by truncating the access size.
14879 2021-03-15 Jan Hubicka <hubicka@ucw.cz>
14881 * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
14882 * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
14885 2021-03-15 Martin Liska <mliska@suse.cz>
14887 * spellcheck.c: Add missing comma in initialization.
14889 2021-03-14 Uroš Bizjak <ubizjak@gmail.com>
14891 * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
14892 alternative 2 and alternative 1 with alternative 3 using
14893 YW register constraint.
14894 (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
14895 using YW register constraint.
14896 (*vec_extractv16qi_zext): Ditto.
14897 (*vec_extractv4si): Merge alternatives 4 and 5
14898 using Yw register constraint.
14899 (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
14901 2021-03-13 Martin Sebor <msebor@redhat.com>
14903 PR tree-optimization/99489
14904 * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
14905 is not a call statement.
14907 2021-03-13 Jakub Jelinek <jakub@redhat.com>
14909 PR tree-optimization/99544
14910 * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
14911 if for vector types multiplication can't be done in type's mode.
14913 2021-03-12 Eric Botcazou <ebotcazou@adacore.com>
14916 * config/sparc/constraints.md (w): Rename to...
14917 (W): ... this and ditch previous implementation.
14918 * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
14919 (*movdf_insn_sp64): Likewise.
14920 (*mov<VM64:mode>_insn_sp64): Likewise.
14921 * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
14923 (atomic_compare_and_swap_leon3_1): Likewise.
14924 (*atomic_compare_and_swapdi_v8plus): Likewise.
14925 * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
14926 architecture and add missing address validity check during LRA.
14928 2021-03-12 Tobias Burnus <tobias@codesourcery.com>
14931 * gimplify.c (omp_add_variable): Handle NULL_TREE as size
14932 occuring for assumed-size arrays in use_device_{ptr,addr}.
14934 2021-03-12 Jakub Jelinek <jakub@redhat.com>
14937 * config/i386/constraints.md (YW): New internal constraint.
14938 * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
14939 (*<sse2_avx2>_<insn><mode>3<mask_name>,
14940 *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
14941 *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
14943 (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
14944 (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
14945 avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
14946 into one, use Yw instead of former x,v.
14947 (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
14948 the last alternative.
14949 (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
14950 <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
14951 *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
14952 <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
14953 into one, use <v_Yw> instead of former x,v.
14954 (avx2_interleave_highv32qi<mask_name>,
14955 vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
14956 constraints. Add && <mask_avx512bw_condition> to condition.
14957 (avx2_interleave_lowv32qi<mask_name>,
14958 vec_interleave_lowv16qi<mask_name>,
14959 avx2_interleave_highv16hi<mask_name>,
14960 vec_interleave_highv8hi<mask_name>,
14961 avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
14962 avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
14963 avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
14964 avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
14965 *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
14966 Yw instead of v in constraints.
14967 * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
14968 (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
14969 instead of Yv in constraints.
14970 (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
14971 *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
14972 *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
14973 mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14974 *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
14976 (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
14977 *mmx_pextrb_zext): Use YW instead of Yv in constraints.
14978 (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
14979 (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
14980 two, one with just x, another isa avx512vl with v.
14982 2021-03-12 Martin Liska <mliska@suse.cz>
14984 * doc/invoke.texi: Add missing param documentation.
14986 2021-03-11 David Malcolm <dmalcolm@redhat.com>
14989 * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
14990 analyzer/trimmed-graph.o.
14991 * doc/analyzer.texi (Analyzer Paths): Rewrite description of
14992 feasibility checking to reflect new implementation.
14993 * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
14995 * shortest-paths.h (shortest_paths::get_shortest_distance): New.
14997 2021-03-11 David Malcolm <dmalcolm@redhat.com>
14999 * digraph.cc (selftest::test_shortest_paths): Update
15000 shortest_paths init for new param. Add test of
15001 SPS_TO_GIVEN_TARGET.
15002 * shortest-paths.h (enum shortest_path_sense): New.
15003 (shortest_paths::shortest_paths): Add "sense" param.
15004 Update for renamings. Generalize to use "sense" param.
15005 (shortest_paths::get_shortest_path): Rename param.
15006 (shortest_paths::m_sense): New field.
15007 (shortest_paths::m_prev): Rename...
15008 (shortest_paths::m_best_edge): ...to this.
15009 (shortest_paths::get_shortest_path): Update for renamings.
15010 Conditionalize flipping of path on sense of traversal.
15012 2021-03-11 David Malcolm <dmalcolm@redhat.com>
15014 * digraph.cc (selftest::test_shortest_paths): Add test coverage
15015 for paths from B and C.
15016 * shortest-paths.h (shortest_paths::shortest_paths): Handle
15017 unreachable nodes, rather than asserting.
15019 2021-03-11 David Edelsohn <dje.gcc@gmail.com>
15022 * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
15023 xcoff_tbss_section_name.
15024 * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
15025 * xcoffout.c (xcoff_tbss_section_name): Delete.
15026 * xcoffout.h (xcoff_tbss_section_name): Delete.
15028 2021-03-11 Richard Biener <rguenther@suse.de>
15030 PR tree-optimization/99523
15031 * tree-cfg.c (dump_function_to_file): Dump SSA names
15032 w/o identifier to the decls section as well, not only those
15033 without a VAR_DECL.
15035 2021-03-11 Jakub Jelinek <jakub@redhat.com>
15038 * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
15039 function calls with lhs fail if the lhs don't have compatible types.
15041 2021-03-11 Hans-Peter Nilsson <hp@axis.com>
15043 * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
15044 Change FRAME_POINTER_REGNUM to correspond to a new faked
15045 register faked_fp, part of GENNONACR_REGS like faked_ap.
15046 (CRIS_FAKED_REGS_CONTENTS): New helper macro.
15047 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
15048 (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
15049 (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
15050 * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
15052 (CRIS_REAL_FP_REGNUM): New constant.
15053 * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
15054 for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
15055 (cris_initial_elimination_offset): Handle elimination changes
15056 to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
15057 and add one from FRAME_POINTER_REGNUM to
15058 HARD_FRAME_POINTER_REGNUM.
15059 (cris_expand_prologue, cris_expand_epilogue): Emit code for
15060 hard_frame_pointer_rtx instead of frame_pointer_rtx.
15062 2021-03-10 David Edelsohn <dje.gcc@gmail.com>
15065 * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
15066 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
15068 2021-03-10 Vladimir N. Makarov <vmakarov@redhat.com>
15071 * lra-constraints.c (process_address_1): Don't check unknown
15072 constraint, use X for empty constraint.
15074 2021-03-10 Alex Coplan <alex.coplan@arm.com>
15076 * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
15077 Fix typo in comment describing "is_ha" argument.
15079 2021-03-10 John David Anglin <danglin@gcc.gnu.org>
15081 * doc/sourcebuild.texi: Document LRA target selector.
15083 2021-03-10 David Malcolm <dmalcolm@redhat.com>
15085 * doc/ux.texi: Add subsection contrasting interactive versus
15086 batch usage of GCC.
15088 2021-03-10 Joel Hutton <joel.hutton@arm.com>
15091 * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
15093 (vectorizable_load): Fix gather load mask check condition.
15095 2021-03-10 Richard Biener <rguenther@suse.de>
15097 PR tree-optimization/99510
15098 * tree.c (check_aligned_type): Check that the candidate
15099 has TYPE_USER_ALIGN set instead of matching with the
15102 2021-03-10 Eric Botcazou <ebotcazou@adacore.com>
15104 * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
15105 float and vector integer modes only if the mode is not larger.
15107 2021-03-10 Hans-Peter Nilsson <hp@axis.com>
15109 * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
15111 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
15113 * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
15115 * ira-lives.c (single_reg_class): Ditto.
15117 2021-03-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
15119 * config.gcc (aarch64-*-rtems*): Include general rtems.h after
15120 the architecture-specific rtems.h.
15121 (aarch64-*-rtems*): Likewise.
15122 (arm*-*-rtems*): Likewise.
15123 (epiphany-*-rtems*): Likewise.
15124 (riscv*-*-rtems*): Likewise.
15126 2021-03-09 Jakub Jelinek <jakub@redhat.com>
15128 PR tree-optimization/99305
15129 * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
15130 before integer_all_onesp instead of vice versa.
15132 2021-03-09 Richard Earnshaw <rearnsha@arm.com>
15134 * common/config/arm/arm-common.c (arm_config_default): Change type
15135 of 'i' to unsigned.
15137 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
15140 * lra-constraints.c (process_address_1): Process constraint 'g'
15141 separately and digital constraints containing more one digit.
15143 2021-03-09 Nick Clifton <nickc@redhat.com>
15145 * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
15146 (DWARF"_DEBUGGING_INFO): Define.
15148 2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
15151 * calls.c (initialize_argument_information): When the argument
15152 is passed by reference, do not make a copy in a thunk only if
15153 the argument is already in memory. Remove redundant test for
15154 the case of callee copy.
15156 2021-03-09 Vladimir N. Makarov <vmakarov@redhat.com>
15159 * lra-constraints.c (process_address_1): Process 0..9 constraints
15160 in process_address_1.
15162 2021-03-09 Andreas Krebbel <krebbel@linux.ibm.com>
15164 * config/s390/s390.c (struct s390_processor processor_table):
15165 Binutils name string must not be empty.
15167 2021-03-09 Claudiu Zissulescu <claziss@synopsys.com>
15169 * config/arc/arc.c (arc_attr_type): Remove function.
15171 2021-03-09 Martin Liska <mliska@suse.cz>
15174 * config/i386/i386-options.c (ix86_option_override_internal):
15175 Set isa_flags for OPTS argument and not for the global
15178 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
15180 * config/rs6000/predicates.md (ds_form_mem_operand): Check
15183 2021-03-09 Aaron Sawdey <acsawdey@linux.ibm.com>
15186 * config/rs6000/predicates.md (ds_form_mem_operand) New
15188 * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
15189 ds_form_mem_operand in ld/lwa patterns.
15190 * config/rs6000/fusion.md: Regenerate file.
15192 2021-03-08 Martin Sebor <msebor@redhat.com>
15194 PR middle-end/98266
15195 * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
15196 (array_bounds_checker::check_array_bounds): Call it.
15198 2021-03-08 Martin Sebor <msebor@redhat.com>
15200 PR middle-end/97631
15201 * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
15202 (handle_builtin_stxncpy_strncat): Rename locals. Determine
15203 destination size from allocation calls. Issue a more appropriate
15205 (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
15206 (handle_builtin_memset): Same.
15208 2021-03-08 Peter Bergner <bergner@linux.ibm.com>
15211 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
15212 to ensure we do not have an Altivec style address.
15213 * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
15214 an Altivec style address.
15215 (*vsx_le_perm_store_<mode>): Likewise.
15216 (splitters after *vsx_le_perm_store_<mode>): Likewise.
15217 (vsx_load_<mode>): Disable special expander if passed an Altivec
15219 (vsx_store_<mode>): Likewise.
15221 2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15224 * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
15225 (aarch64_simd_shift_imm_vec_hi): Likewise.
15226 (aarch64_simd_shift_imm_vec_si): Likewise.
15227 (aarch64_simd_shift_imm_vec_di): Likewise.
15228 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
15229 predicate from above.
15230 (aarch64_shrn<mode>_insn_be): Likewise.
15231 (aarch64_rshrn<mode>_insn_le): Likewise.
15232 (aarch64_rshrn<mode>_insn_be): Likewise.
15233 (aarch64_shrn2<mode>_insn_le): Likewise.
15234 (aarch64_shrn2<mode>_insn_be): Likewise.
15235 (aarch64_rshrn2<mode>_insn_le): Likewise.
15236 (aarch64_rshrn2<mode>_insn_be): Likewise.
15238 2021-03-08 Vladimir N. Makarov <vmakarov@redhat.com>
15241 * lra-constraints.c (skip_contraint_modifiers): New function.
15242 (process_address_1): Use it before lookup_constraint call.
15244 2021-03-08 Martin Liska <mliska@suse.cz>
15247 * config/i386/i386-options.c (ix86_option_override_internal):
15248 Enable UINTR and HRESET for -march that supports it.
15250 2021-03-08 Ilya Leoshkevich <iii@linux.ibm.com>
15252 * config/s390/s390.c (f_constraint_p): New function.
15253 (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
15254 (TARGET_MD_ASM_ADJUST): Likewise.
15256 2021-03-08 Tobias Burnus <tobias@codesourcery.com>
15259 * tree-nested.c (convert_local_reference_stmt): Avoid calling
15260 lookup_field_for_decl for Fortran module (= namespace context).
15262 2021-03-08 Andreas Krebbel <krebbel@linux.ibm.com>
15264 * config/s390/s390.c (s390_expand_vec_compare): Implement <0
15265 comparison with arithmetic right shift.
15266 (s390_expand_vcond): No need for a force_reg anymore.
15267 s390_vec_compare will do it.
15268 * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
15269 immediate operands.
15271 2021-03-07 Jakub Jelinek <jakub@redhat.com>
15274 * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
15275 but TARGET_AVX512BW or TARGET_AVX512VL is not set. Adjust description
15277 * config/i386/sse.md (v_Yw): New define_mode_attr.
15278 (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
15279 *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
15281 * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
15282 xYw in constraints.
15284 2021-03-06 Julian Brown <julian@codesourcery.com>
15286 * tree-pretty-print.c (dump_generic_node): Emit non-generic
15287 address space info for aggregates.
15289 2021-03-06 Hans-Peter Nilsson <hp@axis.com>
15291 * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
15293 2021-03-05 Jakub Jelinek <jakub@redhat.com>
15295 PR middle-end/99322
15296 * tree-cfg.c (bb_to_omp_idx): New variable.
15297 (execute_build_cfg): Release the bb_to_omp_idx vector after
15298 cleanup_tree_cfg returns.
15299 (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
15300 for bb_to_omp_idx being a vec<int> instead of pointer to array
15302 (make_edges): Remove bb_to_omp_idx local variable, don't pass
15303 it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
15304 vec<int> instead of pointer to array of ints and don't free/release
15306 (remove_bb): When removing a bb and placing forced label somewhere
15307 else, ensure it is put into the same OpenMP region during cfg
15308 pass if possible or to entry successor as fallback. Unregister
15309 bb from bb_to_omp_idx.
15311 2021-03-05 Vladimir N. Makarov <vmakarov@redhat.com>
15314 * lra-constraints.c (process_address_1): Skip decomposing address
15315 for asm insn operand with unknown constraint.
15317 2021-03-05 Martin Jambor <mjambor@suse.cz>
15320 * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
15321 corresponding speculative edges if we are about to resolve
15322 sepculation. Make edge direct (and so resolve speculations) before
15323 removing it from call_site_hash.
15324 (cgraph_edge::make_direct): Relax the initial assert to allow calling
15325 the function on speculative direct edges.
15327 2021-03-05 Eric Botcazou <ebotcazou@adacore.com>
15329 PR rtl-optimization/99376
15330 * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
15331 of low-order zero bits is too large, set the result to 0 directly.
15333 2021-03-04 Jakub Jelinek <jakub@redhat.com>
15335 PR middle-end/93235
15336 * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
15337 SUBREG and a SUBREG to op_mode can't be created.
15339 2021-03-04 Alex Coplan <alex.coplan@arm.com>
15342 * config/aarch64/aarch64-sve-builtins.cc
15343 (function_resolver::require_vector_type): Handle error_mark_node.
15345 2021-03-04 Ilya Leoshkevich <iii@linux.ibm.com>
15347 * cfgexpand.c (expand_asm_loc): Pass new parameter.
15348 (expand_asm_stmt): Likewise.
15349 * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
15351 * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
15352 * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
15353 * config/cris/cris.c (cris_md_asm_adjust): Likewise.
15354 * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
15355 * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
15356 * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
15357 * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
15358 * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
15359 * config/vax/vax.c (vax_md_asm_adjust): Likewise.
15360 * config/visium/visium.c (visium_md_asm_adjust): Likewise.
15361 * doc/tm.texi (md_asm_adjust): Likewise.
15362 * target.def (md_asm_adjust): Likewise.
15364 2021-03-04 Richard Biener <rguenther@suse.de>
15366 PR middle-end/97855
15367 * tree-pretty-print.c: Poison pp_printf.
15368 (dump_decl_name): Avoid use of pp_printf.
15369 (dump_block_node): Likewise.
15370 (dump_generic_node): Likewise.
15372 2021-03-04 Martin Sebor <msebor@redhat.com>
15374 PR middle-end/96963
15375 PR middle-end/94655
15376 * builtins.c (handle_array_ref): New helper.
15377 (handle_mem_ref): New helper.
15378 (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
15379 into new helper functions. Correct a workaround for vectorized
15382 2021-03-03 Pat Haugen <pthaugen@linux.ibm.com>
15384 * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
15385 floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
15386 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
15387 *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
15388 attribute for Power10.
15389 * config/rs6000/mma.md (*movoo): Likewise.
15390 * config/rs6000/rs6000.md (define_attr "size"): Add 256.
15391 (define_mode_attr bits): Add DD/TD modes.
15392 * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
15393 store_conditionalpti): Update size attribute for Power10.
15395 2021-03-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
15398 * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
15399 -Wuninitialized, -Wmaybe-uninitialized.
15400 (wide-int.o-warn): Likewise.
15402 2021-03-03 Richard Earnshaw <rearnsha@arm.com>
15404 * common/config/arm/arm-common.c: Include configargs.h.
15405 (arm_config_default): New function.
15406 (arm_target_mode): Renamed from arm_target_thumb_only. Handle
15407 processors that do not support Thumb. Take into account the
15408 --with-mode configuration setting for selecting the default.
15409 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
15410 (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
15412 2021-03-03 Martin Liska <mliska@suse.cz>
15414 PR gcov-profile/97461
15415 * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
15417 2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
15420 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
15421 point back the hard frame pointer to its default location when the
15422 frame is larger than SEH_MAX_FRAME_SIZE.
15424 2021-03-03 Jakub Jelinek <jakub@redhat.com>
15427 * config/i386/predicates.md (logic_operator): New define_predicate.
15428 * config/i386/i386.md (mov + mem using comm arith peephole2):
15429 Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
15430 and the inner mode is [QH]Imode.
15432 2021-03-03 Jakub Jelinek <jakub@redhat.com>
15435 * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
15436 (new_loc_list): Clear end_entry.
15437 (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
15438 if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx. Fix comment
15440 (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
15441 initialize also end_entry.
15443 2021-03-03 Jakub Jelinek <jakub@redhat.com>
15446 * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
15447 partitions, if in non-layout mode after reorder_blocks also move
15448 affected blocks to ensure a single partition transition.
15450 2021-03-03 Jason Merrill <jason@redhat.com>
15453 * cgraphunit.c (process_function_and_variable_attributes): Don't
15454 warn about flatten on an alias if the target also has it.
15455 * cgraph.h (symtab_node::get_alias_target_tree): New.
15457 2021-03-02 David Edelsohn <dje.gcc@gmail.com>
15459 * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
15460 period to symbol name.
15461 (tls_get_addr_internal<mode>): Same.
15463 2021-03-02 David Malcolm <dmalcolm@redhat.com>
15466 * diagnostic-show-locus.c
15467 (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
15470 2021-03-02 Martin Sebor <msebor@redhat.com>
15472 PR middle-end/99276
15473 * builtins.c (warn_for_access): Remove stray warning text.
15475 2021-03-02 Martin Sebor <msebor@redhat.com>
15477 PR middle-end/99295
15478 * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
15481 2021-03-02 Jakub Jelinek <jakub@redhat.com>
15484 * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
15485 -gdwarf-5 -gstrict-dwarf. For -gsplit-dwarf -gdwarf-5 use
15486 DW_MACRO_*_strx instead of DW_MACRO_*_strp. Handle
15487 DW_MACRO_define_strx and DW_MACRO_undef_strx.
15488 (save_macinfo_strings): Use DW_MACRO_*_str* even with
15489 -gdwarf-5 -gstrict-dwarf. Handle DW_MACRO_define_strx and
15490 DW_MACRO_undef_strx.
15492 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
15494 * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
15496 (BT_FN_V8HI_V8HI_UINT): Likewise.
15497 (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
15498 * config/s390/s390-builtins.def (B_NNPA): New macro definition.
15499 (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
15500 New builtin definitions.
15501 * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
15502 vector extension version.
15503 * config/s390/s390.c (s390_expand_builtin): Check if builtins are
15504 available with current -march level.
15505 * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
15506 (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
15507 (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
15508 * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
15509 (vec_extend_to_fp32_lo): Likewise.
15510 (vec_round_from_fp32): Likewise.
15511 (vec_convert_to_fp16): Likewise.
15512 (vec_convert_from_fp16): Likewise.
15513 * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
15514 (vclfnls_v8hi): Likewise.
15515 (vcrnfs_v8hi): Likewise.
15516 (vcfn_v8hi): Likewise.
15517 (vcnf_v8hi): Likewise.
15519 2021-03-02 Andreas Krebbel <krebbel@linux.ibm.com>
15521 * common/config/s390/s390-common.c (processor_flags_table): New entry.
15522 * config.gcc: Enable arch14 for --with-arch and --with-tune.
15523 * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
15524 arch14 for unknown CPU models.
15525 * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
15526 * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
15527 (s390_get_sched_attrmask): Likewise.
15528 (s390_get_unit_mask): Likewise.
15529 * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
15530 (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
15531 (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
15532 (TARGET_NNPA_P): New macro definitions.
15533 * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
15534 * config/s390/s390.opt: Add PROCESSOR_ARCH14.
15536 2021-03-02 Jakub Jelinek <jakub@redhat.com>
15538 PR middle-end/95757
15539 * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
15540 condition. Call register_edge_assert_for_1 for == 0, != 0, == 1 and
15541 != 1 comparisons if name is lhs of a comparison.
15543 2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
15547 * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
15548 * config/darwin.c (darwin_should_restore_cfa_state): New.
15549 * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
15550 * doc/tm.texi: Regenerated.
15551 * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
15552 * dwarf2cfi.c (connect_traces): If the target requests, restore
15553 the CFA expression after a DW_CFA_restore.
15554 * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
15556 2021-03-01 Martin Liska <mliska@suse.cz>
15559 * optc-save-gen.awk: Add 4 more exceptions.
15561 2021-03-01 Nathan Sidwell <nathan@acm.org>
15564 * tree.h (TYPE_ALIGN_RAW): New accessor.
15565 (TYPE_ALIGN): Use it.
15567 2021-03-01 Jan Hubicka <jh@suse.cz>
15570 * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
15572 2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
15575 * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
15576 point the hard frame pointer to the SSE register save area instead
15577 of the general register save area. Perform only minimal adjustment
15578 for small frames if it is initially not correctly aligned.
15579 (ix86_expand_prologue): Remove early saves for a SEH target.
15580 * config/i386/winnt.c (struct seh_frame_state): Document constraint.
15582 2021-02-28 Jakub Jelinek <jakub@redhat.com>
15585 * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
15586 typo - referneced -> referenced.
15587 * tree.c (component_ref_size): Fix comment typo -
15588 refernce -> reference.
15589 * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
15590 traling -> trailing.
15591 (aliasing_component_refs_p): Fix comment typos -
15592 refernce -> reference and refernece -> reference and
15593 traling -> trailing.
15594 (nonoverlapping_refs_since_match_p): Fix comment typo -
15595 referneces -> references.
15596 * doc/invoke.texi (--param modref-max-bases): Fix a typo -
15597 referneces -> references.
15599 2021-02-27 Iain Sandoe <iain@sandoe.co.uk>
15601 * config/host-darwin.c (darwin_gt_pch_use_address): Modify
15602 diagnostic message to avoid use of a contraction and format
15605 2021-02-27 Jakub Jelinek <jakub@redhat.com>
15608 * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
15609 HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
15610 * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
15611 HOST_WIDE_INT_PRINT_DEC in inform format string. Fix comment
15614 2021-02-26 Richard Biener <rguenther@suse.de>
15616 PR middle-end/99281
15617 * expr.c (store_field): For calls with return-slot optimization
15618 and addressable return type expand the store directly.
15620 2021-02-26 Richard Biener <rguenther@suse.de>
15623 * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
15625 2021-02-26 Peter Bergner <bergner@linux.ibm.com>
15628 * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
15631 2021-02-26 Aaron Sawdey <acsawdey@linux.ibm.com>
15633 * config.gcc: Add rs6000-pcrel-opt.o.
15634 * config/rs6000/rs6000-pcrel-opt.c: New file.
15635 * config/rs6000/pcrel-opt.md: New file.
15636 * config/rs6000/predicates.md: Add d_form_memory predicate.
15637 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
15638 * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
15639 * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
15640 pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
15641 and make_pass_pcrel_opt().
15642 * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
15643 (rs6000_option_override_internal): Add pcrel-opt.
15644 (rs6000_delegitimize_address): Support pcrel-opt.
15645 (rs6000_opt_masks): Add pcrel-opt.
15646 (pcrel_opt_valid_mem_p): New function.
15647 (reg_to_non_prefixed): Make global.
15648 (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
15649 (output_pcrel_opt_reloc): New function.
15650 * config/rs6000/rs6000.md (loads_extern_addr): New attr.
15651 (pcrel_extern_addr): Set loads_extern_addr.
15652 Add include for pcrel-opt.md.
15653 * config/rs6000/rs6000.opt: Add -mpcrel-opt.
15654 * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
15657 2021-02-26 YunQiang Su <yunqiang.su@cipunited.com>
15660 * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
15661 If TARGET_64BIT and dest is SUBREG, we check the width, if it
15662 equal to SImode, we use SImode operation, just like what we are
15665 2021-02-26 Marek Polacek <polacek@redhat.com>
15667 * builtins.c (warn_for_access): Fix typos.
15669 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
15671 * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
15672 mark in front of the immediate quantity.
15673 (<optab>_rolsi3_uxtw): Likewise.
15675 2021-02-25 Richard Earnshaw <rearnsha@arm.com>
15678 * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
15679 (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
15680 (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
15681 address and disable when the FPCXT is not available.
15682 (nonsecure_call_value_reg_thumb2): Likewise.
15684 2021-02-25 Nathan Sidwell <nathan@acm.org>
15687 * doc/invoke.texi (flang-info-module-cmi): Renamed option.
15689 2021-02-25 Tamar Christina <tamar.christina@arm.com>
15691 * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
15693 2021-02-25 Richard Biener <rguenther@suse.de>
15695 PR tree-optimization/99253
15696 * tree-vect-loop.c (check_reduction_path): First compute
15697 code, then verify out-of-loop uses.
15699 2021-02-25 Jakub Jelinek <jakub@redhat.com>
15702 * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
15704 2021-02-25 Jakub Jelinek <jakub@redhat.com>
15706 PR tree-optimization/80635
15707 * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
15708 VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
15709 has mode precision.
15711 2021-02-25 Richard Biener <rguenther@suse.de>
15713 * tree-vect-slp.c (optimize_load_redistribution_1): Delay
15714 load_map population.
15715 (vect_match_slp_patterns_2): Revert part of last change.
15716 (vect_analyze_slp): Do not interleave optimize_load_redistribution
15717 with pattern detection but do it afterwards. Dump the
15718 whole SLP graph after pattern recognition and load
15719 redistribution optimization finished.
15721 2021-02-24 Jakub Jelinek <jakub@redhat.com>
15724 * omp-low.c (struct omp_context): Add teams_nested_p and
15725 nonteams_nested_p members.
15726 (scan_omp_target): Diagnose teams nested inside of target with other
15727 directives strictly nested inside of the same target.
15728 (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
15729 ctx->nonteams_nested_p as needed.
15731 2021-02-24 Vladimir N. Makarov <vmakarov@redhat.com>
15733 PR inline-asm/99123
15734 * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
15736 2021-02-24 Hans-Peter Nilsson <hp@axis.com>
15738 * config/cris/cris.c (cris_expand_prologue): Set
15739 current_function_static_stack_size, if flag_stack_usage_info.
15741 2021-02-24 Pat Haugen <pthaugen@linux.ibm.com>
15743 * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
15744 (rs6000_final_prescan_insn): Adjust.
15745 (rs6000_asm_output_opcode): Likewise.
15747 2021-02-24 Martin Sebor <msebor@redhat.com>
15749 PR middle-end/97172
15750 * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
15751 from function arguments.
15753 2021-02-24 Tamar Christina <tamar.christina@arm.com>
15755 PR tree-optimization/99220
15756 * tree-vect-slp.c (optimize_load_redistribution_1): Remove
15757 node from cache when it's about to be deleted.
15759 2021-02-24 Jakub Jelinek <jakub@redhat.com>
15761 PR tree-optimization/99225
15762 * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
15763 to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
15764 build_int_cst (..., 1). Formatting fixes.
15766 2021-02-24 Tamar Christina <tamar.christina@arm.com>
15768 PR tree-optimization/99149
15769 * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
15771 (vect_slp_reset_pattern): Remove.
15772 (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
15773 (complex_mul_pattern::build, complex_fma_pattern::build,
15774 complex_fms_pattern::build): Fix ref counts.
15775 * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
15776 when node is being deleted.
15777 (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
15778 (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
15780 * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
15782 2021-02-24 Matthias Klose <doko@ubuntu.com>
15785 2020-12-07 Matthias Klose <doko@ubuntu.com>
15787 * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
15788 and ENABLE_RTL_FLAG_CHECKING.
15790 2021-02-24 Richard Biener <rguenther@suse.de>
15793 * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
15795 2021-02-23 Peter Bergner <bergner@linux.ibm.com>
15797 * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
15798 (vsx_assemble_pair): ...to this.
15799 (*mma_assemble_pair): Rename from this...
15800 (*vsx_assemble_pair): ...to this.
15801 (mma_disassemble_pair): Rename from this...
15802 (vsx_disassemble_pair): ...to this.
15803 (*mma_disassemble_pair): Rename from this...
15804 (*vsx_disassemble_pair): ...to this.
15805 * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
15806 BU_COMPAT): New macros.
15807 (mma_assemble_pair): Rename from this...
15808 (vsx_assemble_pair): ...to this.
15809 (mma_disassemble_pair): Rename from this...
15810 (vsx_disassemble_pair): ...to this.
15811 (mma_assemble_pair): New compatibility built-in.
15812 (mma_disassemble_pair): Likewise.
15813 * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
15814 (RS6000_BUILTIN_COMPAT): Define.
15815 (bdesc_compat): New.
15816 (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
15817 (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
15818 and VSX_BUILTIN_ASSEMBLE_PAIR.
15819 (rs6000_init_builtins): Register compatibility built-ins.
15820 (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
15821 VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
15822 VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
15823 * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
15824 (__builtin_vsx_assemble_pair): ...to this.
15825 (__builtin_mma_disassemble_pair): Rename from this...
15826 (__builtin_vsx_disassemble_pair): ...to this.
15828 2021-02-23 Martin Liska <mliska@suse.cz>
15831 * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
15832 with different alignment. That leads to an invalid red zone
15833 size allocated in runtime.
15835 2021-02-23 Jakub Jelinek <jakub@redhat.com>
15837 PR tree-optimization/99204
15838 * fold-const.c (fold_read_from_constant_string): Check that
15839 tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
15841 2021-02-23 Segher Boessenkool <segher@kernel.crashing.org>
15842 Kewen Lin <linkw@gcc.gnu.org>
15844 * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
15845 (rotl<mode>3_insert_3): ...this.
15846 (plus_ior_xor): New code_iterator.
15847 (define_split for GPR rl*imi): New splitter.
15848 * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
15849 for integer merging.
15851 2021-02-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15853 * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
15855 * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
15856 into a register when the above is enabled.
15857 * config/aarch64/aarch64.c (neoversev1_tunings):
15858 AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
15859 (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
15861 2021-02-22 Hans-Peter Nilsson <hp@axis.com>
15863 * config/cris/cris.c (cris_print_operand) <'T'>: Change
15864 valid operand from is now an addi mult-value to shift-value.
15865 * config/cris/cris.md (*addi): Change expression of scaled
15866 operand from mult to ashift.
15867 * config/cris/cris.md (*addi_reload): New insn_and_split.
15869 2021-02-22 John David Anglin <danglin@gcc.gnu.org>
15872 * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
15873 hook_bool_const_tree_hwi_hwi_const_tree_true.
15874 (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
15876 2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
15878 PR rtl-optimization/98791
15879 * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
15880 for unordered modes.
15882 2021-02-22 Martin Liska <mliska@suse.cz>
15884 * tree-inline.c (inline_forbidden_p): Set
15885 inline_forbidden_reason.
15887 2021-02-22 Richard Biener <rguenther@suse.de>
15889 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
15892 2021-02-22 Richard Biener <rguenther@suse.de>
15894 PR tree-optimization/99165
15895 * gimple-ssa-store-merging.c (pass_store_merging::process_store):
15896 Accumulate changed to ret.
15898 2021-02-21 Uros Bizjak <ubizjak@gmail.com>
15901 2020-12-09 Uroš Bizjak <ubizjak@gmail.com>
15903 * config/i386/i386.h (REG_ALLOC_ORDER): Remove
15905 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
15908 * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
15910 (trunctf<DFP_ALL:mode>2): Likewise.
15911 (trunctdtf2_vr): Likewise.
15912 (trunctdtf2): Likewise.
15913 (extend<DFP_ALL:mode>tf2_vr): Likewise.
15914 (extend<DFP_ALL:mode>tf2): Likewise.
15915 (extendtftd2_vr): Likewise.
15916 (extendtftd2): Likewise.
15918 2021-02-20 Ilya Leoshkevich <iii@linux.ibm.com>
15920 * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
15921 add memory alternative.
15922 (tf_to_fprx2): New pattern.
15924 2021-02-19 Martin Sebor <msebor@redhat.com>
15927 * attribs.c (init_attr_rdwr_indices): Guard vblist use.
15928 (attr_access::free_lang_data): Remove a spurious test.
15930 2021-02-19 Nathan Sidwell <nathan@acm.org>
15932 * doc/invoke.texi (flang-info-module-read): Document.
15934 2021-02-19 Martin Liska <mliska@suse.cz>
15936 PR translation/99167
15937 * params.opt: Fix typo.
15939 2021-02-19 Richard Biener <rguenther@suse.de>
15941 PR middle-end/99122
15942 * tree-inline.c (inline_forbidden_p): Do not inline functions
15943 with VLA arguments or return value.
15945 2021-02-19 Jakub Jelinek <jakub@redhat.com>
15948 * config/arm/arm.md (*stack_protect_combined_set_insn,
15949 *stack_protect_combined_test_insn): If force_const_mem result
15950 is not valid general operand, force its address into the destination
15953 2021-02-19 Jakub Jelinek <jakub@redhat.com>
15956 * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
15957 pad or non-local label, put FORCED_LABELs from bb b after that label
15958 rather than before it.
15960 2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
15963 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
15964 expand_vector_broadcast' to emit the vec_duplicate operand.
15966 2021-02-18 Vladimir N. Makarov <vmakarov@redhat.com>
15968 PR rtl-optimization/96264
15969 * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
15972 2021-02-18 H.J. Lu <hjl.tools@gmail.com>
15975 * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
15976 looking up the retain attribute.
15977 (resolve_unique_section): Likewise.
15978 (get_variable_section): Likewise.
15979 (switch_to_section): Likewise. Warn when a symbol without the
15980 retain attribute and a symbol with the retain attribute are
15981 placed in the section with the same name, instead of the used
15983 * doc/extend.texi: Document the "retain" attribute.
15985 2021-02-18 Nathan Sidwell <nathan@acm.org>
15988 * doc/invoke.texi (flang-info-include-translate): Document header
15991 2021-02-18 Richard Biener <rguenther@suse.de>
15993 PR middle-end/99122
15994 * ipa-fnsummary.c (analyze_function_body): Set
15995 CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
15996 * tree-inline.c (insert_init_debug_bind): Pass NULL for
15997 error_mark_node values.
15998 (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
16000 (setup_one_parameter): Delay force_value_to_type until when
16003 2021-02-18 Hans-Peter Nilsson <hp@axis.com>
16005 PR tree-optimization/99142
16006 * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
16008 2021-02-18 Jakub Jelinek <jakub@redhat.com>
16010 * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
16011 wide_int_bitmask::wide_int_bitmask (uint64_t),
16012 wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
16013 wide_int_bitmask::operator ~ () const,
16014 wide_int_bitmask::operator | (wide_int_bitmask) const,
16015 wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
16017 * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
16018 PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
16019 PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
16020 PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
16021 PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
16022 PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
16023 PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
16024 PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
16025 PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
16026 PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
16027 PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
16028 PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
16029 PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
16030 PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
16031 PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
16032 PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
16033 PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
16034 PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
16035 PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
16036 PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
16037 PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
16038 PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
16039 PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
16040 PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
16042 2021-02-18 Jakub Jelinek <jakub@redhat.com>
16044 PR middle-end/99109
16045 * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
16046 (build_printable_array_type): ... this. Add nelts argument. For
16047 overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead. If
16048 nelts, call build_array_type_nelts.
16049 (array_bounds_checker::check_mem_ref): Use build_printable_array_type
16050 instead of build_zero_elt_array_type and build_array_type_nelts.
16052 2021-02-18 Jakub Jelinek <jakub@redhat.com>
16055 * config/i386/i386.c (distance_non_agu_define): Don't call
16056 extract_insn_cached here.
16057 (ix86_lea_outperforms): Save and restore recog_data around call
16058 to distance_non_agu_define and distance_agu_use.
16059 (ix86_ok_to_clobber_flags): Remove.
16060 (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
16061 (ix86_avoid_lea_for_addr): Likewise. Adjust function comment.
16062 * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
16063 into define_insn. Move the splitting to define_peephole2 and
16064 check there using peep2_regno_dead_p if FLAGS_REG is dead.
16066 2021-02-17 Julian Brown <julian@codesourcery.com>
16068 * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
16071 2021-02-17 Xi Ruoyao <xry111@mengyan1223.wang>
16074 * config/mips/mips.c (mips_symbol_insns): Do not use
16075 MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
16077 2021-02-16 Vladimir N. Makarov <vmakarov@redhat.com>
16079 PR inline-asm/98096
16080 * stmt.c (resolve_operand_name_1): Take inout operands into account
16081 for access to labels by names.
16082 * doc/extend.texi: Describe counting operands for accessing labels.
16084 2021-02-16 Richard Biener <rguenther@suse.de>
16086 PR tree-optimization/38474
16087 * tree-ssa-structalias.c (variable_info::address_taken): New.
16088 (new_var_info): Initialize address_taken.
16089 (process_constraint): Set address_taken.
16090 (solve_constraints): Use the new address_taken flag rather
16091 than is_reg_var for sorting variables.
16092 (dump_constraint): Dump the variable number if the name
16095 2021-02-16 Jakub Jelinek <jakub@redhat.com>
16098 * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
16099 multiply by 4096 and for inbranch by 8192.
16100 * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
16101 return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
16103 2021-02-15 Maya Rashish <coypu@sdf.org>
16105 * config/aarch64/aarch64.c (aarch64_init_builtins):
16106 Call SUBTARGET_INIT_BUILTINS.
16108 2021-02-15 Peter Bergner <bergner@linux.ibm.com>
16110 PR rtl-optimization/98872
16111 * init-regs.c (initialize_uninitialized_regs): Skip initialization
16112 if CONST0_RTX is NULL.
16114 2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
16116 PR rtl-optimization/98863
16117 * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
16118 (function_info::build_info): Turn into a declaration, moving the
16119 definition to internals.h.
16120 (function_info::bb_walker): Declare.
16121 (function_info::create_reg_use): Likewise.
16122 (function_info::calculate_potential_phi_regs): Take a build_info
16124 (function_info::place_phis, function_info::create_ebbs): Declare.
16125 (function_info::calculate_ebb_live_in_for_debug): Likewise.
16126 (function_info::populate_backedge_phis): Delete.
16127 (function_info::start_block, function_info::end_block): Declare.
16128 (function_info::populate_phi_inputs): Delete.
16129 (function_info::m_potential_phi_regs): Move information to build_info.
16130 * rtl-ssa/internals.h: New file.
16131 (function_info::bb_phi_info): New class.
16132 (function_info::build_info): Moved from functions.h.
16133 Add a constructor and destructor.
16134 (function_info::build_info::ebb_use): Delete.
16135 (function_info::build_info::ebb_def): Likewise.
16136 (function_info::build_info::bb_live_out): Likewise.
16137 (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
16138 (function_info::build_info::potential_phi_regs): Likewise.
16139 (function_info::build_info::potential_phi_regs_for_debug): Likewise.
16140 (function_info::build_info::ebb_def_regs): Likewise.
16141 (function_info::build_info::bb_phis): Likewise.
16142 (function_info::build_info::bb_mem_live_out): Likewise.
16143 (function_info::build_info::bb_to_rpo): Likewise.
16144 (function_info::build_info::def_stack): Likewise.
16145 (function_info::build_info::old_def_stack_limit): Likewise.
16146 * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
16147 Remove the regno argument. Push the previous definition onto the
16148 definition stack where necessary.
16149 * rtl-ssa/accesses.cc: Include internals.h.
16150 * rtl-ssa/changes.cc: Likewise.
16151 * rtl-ssa/blocks.cc: Likewise.
16152 (function_info::build_info::build_info): Define.
16153 (function_info::build_info::~build_info): Likewise.
16154 (function_info::bb_walker): New class.
16155 (function_info::bb_walker::bb_walker): Define.
16156 (function_info::add_live_out_use): Convert a logarithmic-complexity
16157 test into a linear one. Allow the same definition to be passed
16159 (function_info::calculate_potential_phi_regs): Moved from
16160 functions.cc. Take a build_info parameter and store the
16161 information there instead.
16162 (function_info::place_phis): New function.
16163 (function_info::add_entry_block_defs): Update call to record_reg_def.
16164 (function_info::calculate_ebb_live_in_for_debug): New function.
16165 (function_info::add_phi_nodes): Use bb_phis to decide which
16166 registers need phi nodes and initialize ebb_def_regs accordingly.
16167 Do not add degenerate phis here.
16168 (function_info::add_artificial_accesses): Use create_reg_use.
16169 Assert that all definitions are listed in the DF LR sets.
16170 Update call to record_reg_def.
16171 (function_info::record_block_live_out): Record live-out register
16172 values in the phis of successor blocks. Use the live-out set
16173 when processing the last block in an EBB, instead of always
16174 using the live-in sets of successor blocks. AND the live sets
16175 with the set of registers that have been defined in the EBB,
16176 rather than with all potential phi registers. Cope correctly
16177 with branches back to the start of the current EBB.
16178 (function_info::start_block): New function.
16179 (function_info::end_block): Likewise.
16180 (function_info::populate_phi_inputs): Likewise.
16181 (function_info::create_ebbs): Likewise.
16182 (function_info::process_all_blocks): Rewrite into a multi-phase
16184 * rtl-ssa/functions.cc: Include internals.h.
16185 (function_info::calculate_potential_phi_regs): Move to blocks.cc.
16186 (function_info::init_function_data): Remove caller.
16187 * rtl-ssa/insns.cc: Include internals.h
16188 (function_info::create_reg_use): New function. Lazily any
16189 degenerate phis needed by the linear RPO view.
16190 (function_info::record_use): Use create_reg_use. When processing
16191 debug uses, use potential_phi_regs and test it before checking
16192 whether the register is live on entry to the current EBB. Lazily
16193 calculate ebb_live_in_for_debug.
16194 (function_info::record_call_clobbers): Update call to record_reg_def.
16195 (function_info::record_def): Likewise.
16197 2021-02-15 Martin Liska <mliska@suse.cz>
16199 * toplev.c (init_asm_output): Free output of
16200 gen_command_line_string function.
16201 (process_options): Likewise.
16203 2021-02-15 Martin Liska <mliska@suse.cz>
16205 * params.opt: Add 2 missing Param keywords.
16207 2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
16209 * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
16211 2021-02-15 Jakub Jelinek <jakub@redhat.com>
16213 PR tree-optimization/99079
16214 * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
16215 useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
16216 require both type and TREE_TYPE (@1) to be integral types and either
16217 type having smaller or equal precision, or TREE_TYPE (@1) being
16218 unsigned type, or type being signed type. If TREE_TYPE (@1)
16219 doesn't have wrapping overflow, perform the subtraction of one in
16222 2021-02-14 Jan Hubicka <hubicka@ucw.cz>
16223 Richard Biener <rguether@suse.de>
16226 * ipa-reference.c (ipa_init): Only conditinally initialize
16227 reference_vars_to_consider.
16228 (propagate): Conditionally deninitialize reference_vars_to_consider.
16229 (ipa_reference_write_optimization_summary): Sanity check that
16230 reference_vars_to_consider is not allocated.
16232 2021-02-13 Levy Hsu <admin@levyhsu.com>
16235 * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
16236 extend parameter to get_si_mem_base_reg declaration.
16237 (get_si_mem_base_reg): Add extend parameter. Set it.
16238 (analyze): Pass extend arg to get_si_mem_base_reg.
16239 (transform): Likewise. Use it when rewriting mems.
16240 * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
16241 loads and emit sign/zero extending load followed by subreg move.
16243 2021-02-13 Jim Wilson <jimw@sifive.com>
16246 * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
16247 exit when !reload_completed. Only perform check for compressed reg
16248 if reload_completed.
16249 (riscv_rtx_costs): In MEM case, when optimizing for size and
16250 shorten memrefs, if not compressible, then increase cost.
16252 2021-02-13 Jakub Jelinek <jakub@redhat.com>
16254 PR rtl-optimization/98439
16255 * recog.c (pass_split_before_regstack::gate): Enable even when
16256 pass_split_before_sched2 is enabled if -fselective-scheduling2 is
16259 2021-02-13 Jakub Jelinek <jakub@redhat.com>
16262 * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
16263 swap of V2SImode elements in memory into DImode memory rotate by 32.
16265 2021-02-12 Martin Sebor <msebor@redhat.com>
16267 * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
16269 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
16271 * rtl-ssa/accesses.cc (function_info::make_use_available): Use
16272 m_temp_obstack rather than m_obstack to allocate the temporary use.
16274 2021-02-12 Richard Sandiford <richard.sandiford@arm.com>
16276 * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
16277 as read-modify operations.
16279 2021-02-12 Richard Biener <rguenther@suse.de>
16281 PR middle-end/38474
16282 * ipa-fnsummary.c (unmodified_parm_1): Only walk when
16283 fbi->aa_walk_budget is bigger than zero. Update
16284 fbi->aa_walk_budget.
16285 (param_change_prob): Likewise.
16286 * ipa-prop.c (detect_type_change_from_memory_writes):
16287 Properly account walk_aliased_vdefs.
16288 (parm_preserved_before_stmt_p): Canonicalize updates.
16289 (parm_ref_data_preserved_p): Likewise.
16290 (parm_ref_data_pass_through_p): Likewise.
16291 (determine_known_aggregate_parts): Account own alias queries.
16293 2021-02-12 Martin Liska <mliska@suse.cz>
16295 * opts-common.c (decode_cmdline_option): Release werror_arg.
16296 * opts.c (gen_producer_string): Release output of
16297 gen_command_line_string.
16299 2021-02-12 Richard Biener <rguenther@suse.de>
16301 PR tree-optimization/38474
16302 * params.opt (-param=max-store-chains-to-track=): New param.
16303 (-param=max-stores-to-track=): Likewise.
16304 * doc/invoke.texi (max-store-chains-to-track): Document.
16305 (max-stores-to-track): Likewise.
16306 * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
16308 (pass_store_merging::m_n_stores): Likewise.
16309 (pass_store_merging::terminate_and_process_chain): Update
16310 m_n_stores and m_n_chains.
16311 (pass_store_merging::process_store): Likewise. Terminate
16312 oldest chains if the number of stores or chains get too large.
16313 (imm_store_chain_info::terminate_and_process_chain): Dump
16316 2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
16318 * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
16319 the cold section, emit a nop before the directive if the previous
16320 active instruction can throw.
16322 2021-02-11 Peter Bergner <bergner@linux.ibm.com>
16325 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
16326 memory addresses that are legal for quad word accesses.
16328 2021-02-11 Andrea Corallo <andrea.corallo@arm.com>
16331 * config/arm/thumb2.md (*doloop_end_internal): Generate
16332 alternative sequence to handle long range branches.
16334 2021-02-11 Joel Hutton <joel.hutton@arm.com>
16336 PR tree-optimization/98772
16337 * optabs-tree.c (supportable_half_widening_operation): New function
16338 to check for supportable V8QI->V8HI widening patterns.
16339 * optabs-tree.h (supportable_half_widening_operation): New function.
16340 * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
16341 to create promotion stmts for V8QI->V8HI widening patterns.
16342 (vectorizable_conversion): Add case for V8QI->V8HI.
16344 2021-02-11 Richard Biener <rguenther@suse.de>
16346 * sparseset.h (SPARSESET_ELT_BITS): Remove.
16347 (SPARSESET_ELT_TYPE): Use unsigned int.
16348 * fwprop.c: Do not include sparseset.h.
16350 2021-02-10 Jakub Jelinek <jakub@redhat.com>
16353 * varasm.c (declare_weak): For -fsyntax-only, allow even
16354 TREE_ASM_WRITTEN function decls.
16356 2021-02-10 Jakub Jelinek <jakub@redhat.com>
16359 * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
16360 <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
16361 <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
16362 <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
16363 calling simplify_gen_subreg on it.
16365 2021-02-10 Martin Liska <mliska@suse.cz>
16367 * config/nvptx/nvptx.c (nvptx_option_override): Use
16368 flag_patchable_function_entry instead of the removed
16369 function_entry_patch_area_size.
16371 2021-02-10 Martin Liska <mliska@suse.cz>
16373 PR tree-optimization/99002
16374 PR tree-optimization/99026
16375 * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
16376 leak when adjacent cases are merged.
16377 * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
16379 (make_pass_lower_switch): Remove trailing whitespace.
16380 * tree-switch-conversion.h (release_clusters): New.
16382 2021-02-10 Richard Biener <rguenther@suse.de>
16384 PR rtl-optimization/99054
16385 * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
16386 (fixup_partitions): Adjust.
16387 (rtl_verify_edges): Likewise.
16389 2021-02-10 Jakub Jelinek <jakub@redhat.com>
16391 PR middle-end/99007
16392 * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
16393 temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
16396 2021-02-10 Richard Biener <rguenther@suse.de>
16399 * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
16402 2021-02-10 Richard Biener <rguenther@suse.de>
16404 PR tree-optimization/99024
16405 * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
16406 clear loop->aux if it is associated with the destroyed loop_vinfo.
16408 2021-02-10 Martin Liska <mliska@suse.cz>
16410 PR tree-optimization/99002
16411 * gimple-if-to-switch.cc (find_conditions): Fix memory leak
16414 2021-02-10 Martin Liska <mliska@suse.cz>
16417 * ipa-icf.c (sem_item::add_reference): Fix memory leak when
16418 a reference exists.
16420 2021-02-10 Jakub Jelinek <jakub@redhat.com>
16423 * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
16424 at class scope for DWARF5+.
16426 2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
16428 PR rtl-optimization/96015
16429 * reorg.c (skip_consecutive_labels): Minor comment tweaks.
16430 (relax_delay_slots): When deleting a jump to the next active
16431 instruction over a barrier, first delete the barrier if the
16432 jump is the only way to reach the target label.
16434 2021-02-09 Andre Vieira <andre.simoesdiasvieira@arm.com>
16436 * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
16437 * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
16438 vector multiplies and vect.alu for SSRA.
16439 * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
16440 vect.mul cost field.
16441 * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
16442 * config/arm/arm.c: Likewise.
16444 2021-02-09 Richard Biener <rguenther@suse.de>
16446 PR tree-optimization/98863
16447 * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
16448 * tree-ssa-sccvn.c (last_pushed_avail): New global.
16449 (rpo_elim::eliminate_push_avail): Chain pushed avails.
16450 (unwind_state::avail_top): Add.
16451 (do_unwind): Rewrite unwinding of avail entries.
16452 (do_rpo_vn): Initialize last_pushed_avail and
16453 avail_top of the undo state.
16455 2021-02-09 Jakub Jelinek <jakub@redhat.com>
16457 PR middle-end/99004
16458 * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
16459 const char * to char * and free those pointers after use.
16461 2021-02-09 Richard Biener <rguenther@suse.de>
16463 PR tree-optimization/99017
16464 * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
16465 zero vector cost entries.
16467 2021-02-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
16469 PR middle-end/98974
16470 * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
16471 parameter in vectorizable_condition.
16473 2021-02-08 Richard Biener <rguenther@suse.de>
16476 * tree.c (walk_tree_1): Walk VECTOR_CST elements.
16478 2021-02-08 Martin Liska <mliska@suse.cz>
16481 * cfgexpand.c (pass_expand::execute): Parse per-function option
16482 flag_patchable_function_entry and use it.
16483 * common.opt: Remove function_entry_patch_area_size and
16484 function_entry_patch_area_start global variables.
16485 * opts.c (parse_and_check_patch_area): New function.
16486 (common_handle_option): Use it.
16487 * opts.h (parse_and_check_patch_area): New function.
16488 * toplev.c (process_options): Parse and use
16489 function_entry_patch_area_size.
16491 2021-02-08 Martin Sebor <msebor@redhat.com>
16493 * doc/extend.texi (attribute malloc): Correct typos.
16495 2021-02-05 Nathan Sidwell <nathan@acm.org>
16498 * gcc.c (driver::maybe_run_linker): Check for input file
16499 accessibility if not linking.
16501 2021-02-05 Richard Biener <rguenther@suse.de>
16503 PR tree-optimization/98855
16504 * tree-vectorizer.h (add_stmt_cost): New overload.
16505 * tree-vect-slp.c (li_cost_vec_cmp): New.
16506 (vect_bb_slp_scalar_cost): Cost individual loop regions
16507 separately. Account for the scalar instance root stmt.
16509 2021-02-05 Tom de Vries <tdevries@suse.de>
16512 * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
16514 (bit_test_cluster::emit): Reuse location_t for newly created
16516 (switch_decision_tree::try_switch_expansion): Preserve
16518 * tree-switch-conversion.h: Change function signatures.
16520 2021-02-05 Jakub Jelinek <jakub@redhat.com>
16523 * config/i386/i386-options.c (m_NONE, m_ALL): Define.
16524 * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
16525 X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
16526 (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
16528 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16530 * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
16531 * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
16532 * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
16533 (vget_high_f16): Reimplement using new builtin.
16534 (vget_high_f32): Likewise.
16535 (vget_high_f64): Likewise.
16536 (vget_high_p8): Likewise.
16537 (vget_high_p16): Likewise.
16538 (vget_high_p64): Likewise.
16539 (vget_high_s8): Likewise.
16540 (vget_high_s16): Likewise.
16541 (vget_high_s32): Likewise.
16542 (vget_high_s64): Likewise.
16543 (vget_high_u8): Likewise.
16544 (vget_high_u16): Likewise.
16545 (vget_high_u32): Likewise.
16546 (vget_high_u64): Likewise.
16548 2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16550 * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
16551 * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
16552 * config/aarch64/arm_neon.h (__GET_LOW): Delete.
16553 (vget_low_f16): Reimplement using new builtin.
16554 (vget_low_f32): Likewise.
16555 (vget_low_f64): Likewise.
16556 (vget_low_p8): Likewise.
16557 (vget_low_p16): Likewise.
16558 (vget_low_p64): Likewise.
16559 (vget_low_s8): Likewise.
16560 (vget_low_s16): Likewise.
16561 (vget_low_s32): Likewise.
16562 (vget_low_s64): Likewise.
16563 (vget_low_u8): Likewise.
16564 (vget_low_u16): Likewise.
16565 (vget_low_u32): Likewise.
16566 (vget_low_u64): Likewise.
16568 2021-02-05 Kito Cheng <kito.cheng@sifive.com>
16570 * gcc.c (print_multilib_info): Check all required argument is provided
16573 2021-02-05 liuhongt <hongtao.liu@intel.com>
16576 * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
16577 generate integer mask comparison for 128/256-bits vector when
16578 op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
16579 delete redundant !maskcmp condition.
16580 (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
16582 (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
16583 condition directly to if (maskcmp), add extra check for
16584 cmpmode, it should be MODE_INT.
16585 (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
16586 parameters op_true/op_false.
16587 (ix86_use_mask_cmp_p): New.
16589 2021-02-05 liuhongt <hongtao.liu@intel.com>
16592 * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
16593 Remove m_GENERIC from ~list.
16594 (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
16596 2021-02-04 David Malcolm <dmalcolm@redhat.com>
16599 * diagnostic-show-locus.c (compatible_locations_p): Require
16600 locations in the same macro map to be either both from the
16601 macro definition, or both from the macro arguments.
16603 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
16605 * config/aarch64/aarch64-simd-builtins.def: Add
16606 [su]mull_hi_lane[q] builtin generator macros.
16607 * config/aarch64/aarch64-simd.md
16608 (aarch64_<su>mull_hi_lane<mode>_insn): Define.
16609 (aarch64_<su>mull_hi_lane<mode>): Define.
16610 (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
16611 (aarch64_<su>mull_hi_laneq<mode>): Define.
16612 * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
16613 builtin instead of inline asm.
16614 (vmull_high_lane_s32): Likewise.
16615 (vmull_high_lane_u16): Likewise.
16616 (vmull_high_lane_u32): Likewise.
16617 (vmull_high_laneq_s16): Likewise.
16618 (vmull_high_laneq_s32): Likewise.
16619 (vmull_high_laneq_u16): Likewise.
16620 (vmull_high_laneq_u32): Liekwise.
16622 2021-02-04 Jonathan Wright <jonathan.wright@arm.com>
16624 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
16625 builtin generator macros.
16626 * config/aarch64/aarch64-simd.md
16627 (aarch64_<su>mull_hi_n<mode>_insn): Define.
16628 (aarch64_<su>mull_hi_n<mode>): Define.
16629 * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
16630 instead of inline asm.
16631 (vmull_high_n_s32): Likewise.
16632 (vmull_high_n_u16): Likewise.
16633 (vmull_high_n_u32): Likewise.
16635 2021-02-04 Richard Biener <rguenther@suse.de>
16637 PR tree-optimization/98855
16638 * tree-vect-loop.c (vectorizable_phi): Do not cost
16639 single-argument PHIs.
16640 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
16641 * tree-vect-stmts.c (vectorizable_bswap): Also perform
16642 costing for SLP operation.
16644 2021-02-04 Martin Liska <mliska@suse.cz>
16646 * doc/extend.texi: Mention -mprefer-vector-width in target
16649 2021-02-03 Martin Sebor <msebor@redhat.com>
16651 PR tree-optimization/98937
16652 * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
16653 Flush pointer_query cache.
16655 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
16657 * config/rs6000/genfusion.pl (gen_2logical): Add missing
16658 fixes based on patch review.
16659 * config/rs6000/fusion.md: Regenerate file.
16661 2021-02-03 Aaron Sawdey <acsawdey@linux.ibm.com>
16663 * config/rs6000/t-rs6000: Comment out auto generation of
16666 2021-02-03 Andrew Stubbs <ams@codesourcery.com>
16668 * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
16669 * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
16670 (output_file_start): Add gfx908.
16671 * config/gcn/gcn.opt (gpu_type): Add gfx908.
16672 * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
16673 (MULTILIB_DIRNAMES): Add gfx908.
16674 * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
16675 (main): Recognize gfx908.
16676 * config/gcn/t-omp-device: Add gfx908.
16678 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
16680 * config/aarch64/aarch64-simd-builtins.def: Add
16681 [su]mlsl_hi_lane[q] builtin macro generators.
16682 * config/aarch64/aarch64-simd.md
16683 (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
16684 (aarch64_<su>mlsl_hi_lane<mode>): Define.
16685 (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
16686 (aarch64_<su>mlsl_hi_laneq<mode>): Define.
16687 * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
16688 builtin instead of inline asm.
16689 (vmlsl_high_lane_s32): Likewise.
16690 (vmlsl_high_lane_u16): Likewise.
16691 (vmlsl_high_lane_u32): Likewise.
16692 (vmlsl_high_laneq_s16): Likewise.
16693 (vmlsl_high_laneq_s32): Likewise.
16694 (vmlsl_high_laneq_u16): Likewise.
16695 (vmlsl_high_laneq_u32): Likewise.
16696 (vmlal_high_laneq_u32): Likewise.
16698 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
16700 * config/aarch64/aarch64-simd-builtins.def: Add
16701 [su]mlal_hi_lane[q] builtin generator macros.
16702 * config/aarch64/aarch64-simd.md
16703 (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
16704 (aarch64_<su>mlal_hi_lane<mode>): Define.
16705 (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
16706 (aarch64_<su>mlal_hi_laneq<mode>): Define.
16707 * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
16708 builtin instead of inline asm.
16709 (vmlal_high_lane_s32): Likewise.
16710 (vmlal_high_lane_u16): Likewise.
16711 (vmlal_high_lane_u32): Likewise.
16712 (vmlal_high_laneq_s16): Likewise.
16713 (vmlal_high_laneq_s32): Likewise.
16714 (vmlal_high_laneq_u16): Likewise.
16715 (vmlal_high_laneq_u32): Likewise.
16717 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
16719 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
16720 builtin generator macros.
16721 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
16723 (aarch64_<su>mlsl_hi_n<mode>): Define.
16724 * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
16725 instead of inline asm.
16726 (vmlsl_high_n_s32): Likewise.
16727 (vmlsl_high_n_u16): Likewise.
16728 (vmlsl_high_n_u32): Likewise.
16730 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
16732 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
16733 builtin generator macros.
16734 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
16736 (aarch64_<su>mlal_hi_n<mode>): Define.
16737 * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
16738 instead of inline asm.
16739 (vmlal_high_n_s32): Likewise.
16740 (vmlal_high_n_u16): Likewise.
16741 (vmlal_high_n_u32): Likewise.
16743 2021-02-03 Jonathan Wright <jonathan.wright@arm.com>
16745 * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
16747 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
16749 (aarch64_<su>mlal_hi<mode>_insn): This.
16750 (aarch64_<su>mlal_hi<mode>): Define.
16751 * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
16752 instead of inline asm.
16753 (vmlal_high_s16): Likewise.
16754 (vmlal_high_s32): Likewise.
16755 (vmlal_high_u8): Likewise.
16756 (vmlal_high_u16): Likewise.
16757 (vmlal_high_u32): Likewise.
16759 2021-02-03 Ilya Leoshkevich <iii@linux.ibm.com>
16761 * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
16762 after calling alter_subreg() on a (mem).
16764 2021-02-03 Martin Liska <mliska@suse.cz>
16767 * lto-streamer-out.c (produce_lto_section): Fill up missing
16769 * lto-streamer.h (struct lto_section): Add _padding field.
16771 2021-02-03 Richard Biener <rguenther@suse.de>
16773 * lto-streamer.c (lto_get_section_name): Free temporary
16775 * tree-loop-distribution.c
16776 (loop_distribution::merge_dep_scc_partitions): Free edge data.
16778 2021-02-03 Jakub Jelinek <jakub@redhat.com>
16780 PR middle-end/97487
16781 * ifcvt.c (noce_can_force_operand): New function.
16782 (noce_emit_move_insn): Use it.
16783 (noce_try_sign_mask): Likewise. Formatting fix.
16785 2021-02-03 Jakub Jelinek <jakub@redhat.com>
16787 PR middle-end/97971
16788 * lra-constraints.c (process_alt_operands): For inline asm, don't call
16789 fatal_insn, but instead return false.
16791 2021-02-03 Jakub Jelinek <jakub@redhat.com>
16793 PR tree-optimization/98287
16794 * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
16797 2021-02-03 Tamar Christina <tamar.christina@arm.com>
16799 PR tree-optimization/98928
16800 * tree-vect-loop.c (vect_analyze_loop_2): Change
16801 STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
16802 * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
16803 * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
16804 (class _stmt_vec_info): Add slp_vect_pattern_only_p.
16806 2021-02-02 Richard Biener <rguenther@suse.de>
16808 * gimple-loop-interchange.cc (prepare_data_references):
16810 * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
16811 * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
16812 * tree-vect-stmts.c (vectorizable_condition): Do not
16814 (vectorizable_comparison): Likewise.
16816 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16818 * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
16819 * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
16820 * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
16821 (vrsqrteq_u32): Likewise.
16823 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16825 * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
16826 * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
16827 (aarch64_sqxtun2<mode>_be): Likewise.
16828 (aarch64_sqxtun2<mode>): Likewise.
16829 * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
16830 (vqmovun_high_s32): Likewise.
16831 (vqmovun_high_s64): Likewise.
16832 * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
16834 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16836 * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
16838 (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
16840 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16842 * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
16843 fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
16844 fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
16845 ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
16846 fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
16847 fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
16848 fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
16849 fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
16851 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16853 * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
16854 * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
16855 ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
16857 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16859 * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
16860 uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
16862 2021-02-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16864 * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
16865 vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
16866 vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
16867 ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
16868 udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
16869 ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
16870 ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
16871 ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
16872 NONE builtin flags.
16874 2021-02-02 Jakub Jelinek <jakub@redhat.com>
16876 PR tree-optimization/98848
16877 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
16878 STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
16880 2021-02-02 Kito Cheng <kito.cheng@sifive.com>
16883 * expr.c: Check mode before calling store_expr.
16885 2021-02-02 Christophe Lyon <christophe.lyon@linaro.org>
16887 * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
16889 * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
16890 instruction using expression ior.
16891 (mve_vornq_u<mode>): New expander.
16892 (mve_vornq_f<mode>): Use ior code instead of unspec.
16893 * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
16895 2021-02-02 Alexandre Oliva <oliva@adacore.com>
16897 * tree-nested.c (convert_nonlocal_reference_op): Move
16898 current_function_decl restore after re-gimplification.
16899 (convert_local_reference_op): Likewise.
16901 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16903 * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
16905 * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
16907 (aarch64_rshrn<mode>_insn_be): Likewise.
16908 (aarch64_rshrn<mode>): Likewise.
16909 (aarch64_rshrn2<mode>_insn_le): Likewise.
16910 (aarch64_rshrn2<mode>_insn_be): Likewise.
16911 (aarch64_rshrn2<mode>): Likewise.
16912 * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
16913 * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
16915 (vrshrn_high_n_s32): Likewise.
16916 (vrshrn_high_n_s64): Likewise.
16917 (vrshrn_high_n_u16): Likewise.
16918 (vrshrn_high_n_u32): Likewise.
16919 (vrshrn_high_n_u64): Likewise.
16920 (vrshrn_n_s16): Likewise.
16921 (vrshrn_n_s32): Likewise.
16922 (vrshrn_n_s64): Likewise.
16923 (vrshrn_n_u16): Likewise.
16924 (vrshrn_n_u32): Likewise.
16925 (vrshrn_n_u64): Likewise.
16927 2021-02-01 Sergei Trofimovich <siarheit@google.com>
16929 PR tree-optimization/98499
16930 * ipa-modref.c (analyze_ssa_name_flags): treat RVO
16931 conservatively and assume all possible side-effects.
16933 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16935 * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
16936 vec_unpacku_hi_): Define builtins.
16937 * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
16939 (vmovl_high_s16): Likewise.
16940 (vmovl_high_s32): Likewise.
16941 (vmovl_high_u8): Likewise.
16942 (vmovl_high_u16): Likewise.
16943 (vmovl_high_u32): Likewise.
16945 2021-02-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16947 * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
16949 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
16951 * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
16953 * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
16955 (vabdl_s16): Likewise.
16956 (vabdl_s32): Likewise.
16957 (vabdl_u8): Likewise.
16958 (vabdl_u16): Likewise.
16959 (vabdl_u32): Likewise.
16960 * config/aarch64/iterators.md (ABDL): New int iterator.
16961 (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
16963 2021-02-01 Martin Sebor <msebor@redhat.com>
16965 * tree.h (BLOCK_VARS): Add comment.
16966 (BLOCK_SUBBLOCKS): Same.
16967 (BLOCK_SUPERCONTEXT): Same.
16968 (BLOCK_ABSTRACT_ORIGIN): Same.
16969 (inlined_function_outer_scope_p): Same.
16971 2021-02-01 Martin Sebor <msebor@redhat.com>
16973 PR middle-end/97172
16974 * attribs.c (attr_access::free_lang_data): Define new function.
16975 * attribs.h (attr_access::free_lang_data): Declare new function.
16977 2021-02-01 Richard Biener <rguenther@suse.de>
16979 * vec.h (auto_vec::auto_vec): Add memory stat parameters
16981 * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
16983 2021-02-01 Tamar Christina <tamar.christina@arm.com>
16985 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
16986 aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
16988 2021-02-01 Richard Biener <rguenther@suse.de>
16990 PR rtl-optimization/98863
16991 * config/i386/i386-features.c (convert_scalars_to_vector):
16992 Set DF_RD_PRUNE_DEAD_DEFS.
16994 2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
16996 * system.h (SIZE_MAX): Define if not already defined.
16998 2021-01-30 Aaron Sawdey <acsawdey@linux.ibm.com>
17000 * config/rs6000/genfusion.pl (gen_2logical): New function to
17001 generate patterns for logical-logical fusion.
17002 * config/rs6000/fusion.md: Regenerated patterns.
17003 * config/rs6000/rs6000-cpus.def: Add
17004 OPTION_MASK_P10_FUSION_2LOGICAL.
17005 * config/rs6000/rs6000.c (rs6000_option_override_internal):
17006 Enable logical-logical fusion for p10.
17007 * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
17009 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
17011 * config/rs6000/rs6000.opt: Add periods to new AIX options.
17013 2021-01-30 David Edelsohn <dje.gcc@gmail.com>
17015 * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
17016 (mabi=vec-default): New.
17017 * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
17018 __EXTABI__ for AIX Vector extended ABI.
17019 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
17021 (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
17023 * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
17025 2021-01-30 Jakub Jelinek <jakub@redhat.com>
17027 * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
17028 DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
17030 2021-01-29 Vladimir N. Makarov <vmakarov@redhat.com>
17033 * lra-constraints.c (in_class_p): Don't narrow class only for REG
17036 2021-01-29 Will Schmidt <will_schmidt@vnet.ibm.com>
17038 * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
17039 clauses for CODE_FOR_vsx_xvcvuxddp_scale and
17040 CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
17042 2021-01-29 Andrew MacLeod <amacleod@redhat.com>
17044 PR tree-optimization/98866
17045 * gimple-range-gori.h (gori_compute:set_range_invariant): New.
17046 * gimple-range-gori.cc (gori_map::set_range_invariant): New.
17047 (gori_map::m_maybe_invariant): Rename from all_outgoing.
17048 (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
17049 (gori_map::is_export_p): Ditto.
17050 (gori_map::calculate_gori): Ditto.
17051 (gori_compute::set_range_invariant): New.
17052 * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
17053 invariant for pointers evaluating to [1, +INF].
17055 2021-01-29 Richard Biener <rguenther@suse.de>
17057 PR rtl-optimization/98863
17058 * config/i386/i386-features.c (remove_partial_avx_dependency):
17059 Do not perform DF analysis.
17060 (pass_data_remove_partial_avx_dependency): Remove
17063 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
17065 * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
17066 builtin generator macros.
17067 * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
17069 * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
17070 instead of inline asm.
17071 (vmull_n_s32): Likewise.
17072 (vmull_n_u16): Likewise.
17073 (vmull_n_u32): Likewise.
17075 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17077 * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
17079 * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
17081 (aarch64_<sur>abdl2<mode>): ... This.
17082 (<sur>sadv16qi): Adjust use of above.
17083 * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
17085 (vabdl_high_s16): Likewise.
17086 (vabdl_high_s32): Likewise.
17087 (vabdl_high_u8): Likewise.
17088 (vabdl_high_u16): Likewise.
17089 (vabdl_high_u32): Likewise.
17091 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17093 * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
17095 (uabal2): Likewise.
17096 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
17098 * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
17100 * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
17102 (vabal_high_s16): Likewise.
17103 (vabal_high_s32): Likewise.
17104 (vabal_high_u8): Likewise.
17105 (vabal_high_u16): Likewise.
17106 (vabal_high_u32): Likewise.
17107 * config/aarch64/iterators.md (ABAL2): New mode iterator.
17108 (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
17110 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17112 * config/aarch64/aarch64-simd-builtins.def (sabal): Define
17115 * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
17117 (aarch64_<sur>abal<mode>): ... This
17118 (<sur>sadv16qi): Adust use of the above.
17119 * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
17121 (vabal_s16): Likewise.
17122 (vabal_s32): Likewise.
17123 (vabal_u8): Likewise.
17124 (vabal_u16): Likewise.
17125 (vabal_u32): Likewise.
17127 2021-01-29 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17129 * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
17131 * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
17133 * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
17135 (vaddlv_s16): Likewise.
17136 (vaddlv_u8): Likewise.
17137 (vaddlv_u16): Likewise.
17138 (vaddlvq_s8): Likewise.
17139 (vaddlvq_s16): Likewise.
17140 (vaddlvq_s32): Likewise.
17141 (vaddlvq_u8): Likewise.
17142 (vaddlvq_u16): Likewise.
17143 (vaddlvq_u32): Likewise.
17144 (vaddlv_s32): Likewise.
17145 (vaddlv_u32): Likewise.
17146 * config/aarch64/iterators.md (VDQV_L): New mode iterator.
17147 (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
17148 (Vwstype): New mode attribute.
17150 (VWIDE_S): Likewise.
17151 (USADDLV): New int iterator.
17152 (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
17154 2021-01-29 Jonathan Wright <jonathan.wright@arm.com>
17156 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
17157 builtin generator macros.
17158 * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
17160 * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
17161 instead of inline asm.
17162 (vmlsl_lane_s32): Likewise.
17163 (vmlsl_lane_u16): Likewise.
17164 (vmlsl_lane_u32): Likewise.
17165 (vmlsl_laneq_s16): Likewise.
17166 (vmlsl_laneq_s32): Likewise.
17167 (vmlsl_laneq_u16): Likewise.
17168 (vmlsl_laneq_u32): Likewise.
17170 2021-01-29 Richard Biener <rguenther@suse.de>
17172 * doc/invoke.texi (--param max-gcse-memory): Document unit
17174 * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
17175 * params.opt (--param max-gcse-memory): Adjust default and
17176 document unit of size.
17178 2021-01-29 Richard Biener <rguenther@suse.de>
17180 PR rtl-optimization/98863
17181 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
17182 HOST_WIDE_INT for the memory estimate.
17184 2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
17185 Richard Biener <rguenther@suse.de>
17187 PR tree-optimization/97627
17188 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
17189 Do not analyze fake edges.
17191 2021-01-29 Richard Biener <rguenther@suse.de>
17193 PR rtl-optimization/98144
17194 * df.h (df_mir_bb_info): Add con_visited member.
17195 * df-problems.c (df_mir_alloc): Initialize con_visited,
17196 do not fully populate IN and OUT.
17197 (df_mir_reset): Likewise.
17198 (df_mir_confluence_0): Set con_visited.
17199 (df_mir_confluence_n): Properly handle implicitely
17200 fully populated IN and OUT as designated by con_visited
17201 and update con_visited accordingly.
17203 2021-01-29 Jakub Jelinek <jakub@redhat.com>
17206 * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
17207 vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
17208 && !TARGET_REALLY_IWMMXT to conditions.
17210 2021-01-29 Jakub Jelinek <jakub@redhat.com>
17213 * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
17216 2021-01-28 Marek Polacek <polacek@redhat.com>
17219 * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
17220 the main variant, maybe reset it in its variants too.
17221 * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
17222 (check_aligned_type): Check if TYPE_USER_ALIGN match.
17224 2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
17227 * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
17228 of constant zero for comparisons.
17230 2021-01-28 Michael Meissner <meissner@linux.ibm.com>
17232 * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
17233 support for mapping built-in function names for long double
17234 built-in functions if long double is IEEE 128-bit.
17236 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
17238 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
17239 builtin generator macros.
17240 * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
17242 * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
17243 instead of inline asm.
17244 (vmlsl_n_s32): Likewise.
17245 (vmlsl_n_u16): Likewise.
17246 (vmlsl_n_u32): Likewise.
17248 2021-01-28 Jonathan Wright <jonathan.wright@arm.com>
17250 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
17251 builtin generator macros.
17252 * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
17254 * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
17255 instead of inline asm.
17256 (vmlal_n_s32): Likewise.
17257 (vmlal_n_u16): Likewise.
17258 (vmlal_n_u32): Likewise.
17260 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17262 * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
17264 * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
17266 (aarch64_shrn2<mode>_insn_be): Likewise.
17267 (aarch64_shrn2<mode>): Likewise.
17268 * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
17270 (vshrn_high_n_s32): Likewise.
17271 (vshrn_high_n_s64): Likewise.
17272 (vshrn_high_n_u16): Likewise.
17273 (vshrn_high_n_u32): Likewise.
17274 (vshrn_high_n_u64): Likewise.
17276 2021-01-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17278 * config/aarch64/aarch64-simd-builtins.def (shrn): Define
17280 * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
17282 (aarch64_shrn<mode>_insn_be): Likewise.
17283 (aarch64_shrn<mode>): Likewise.
17284 * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
17286 (vshrn_n_s32): Likewise.
17287 (vshrn_n_s64): Likewise.
17288 (vshrn_n_u16): Likewise.
17289 (vshrn_n_u32): Likewise.
17290 (vshrn_n_u64): Likewise.
17291 * config/aarch64/iterators.md (vn_mode): New mode attribute.
17293 2021-01-28 Richard Biener <rguenther@suse.de>
17295 PR rtl-optimization/80960
17296 * dse.c (check_mem_read_rtx): Call get_addr on the
17299 2021-01-28 Xionghu Luo <luoxhu@linux.ibm.com>
17300 David Edelsohn <dje.gcc@gmail.com>
17303 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17304 Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
17306 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
17308 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
17309 wrapper call rs6000_expand_vector_set_var for cleanup. Call
17310 rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
17312 (rs6000_expand_vector_set_var): Delete.
17313 (rs6000_expand_vector_set_var_p9): Make static.
17314 (rs6000_expand_vector_set_var_p8): Make static.
17316 2021-01-28 Xing GUO <higuoxing@gmail.com>
17318 * common/config/riscv/riscv-common.c
17319 (riscv_subset_list::parsing_subset_version): Fix -march option parsing
17320 when `p` extension exists.
17322 2021-01-27 Vladimir N. Makarov <vmakarov@redhat.com>
17324 PR rtl-optimization/97684
17325 * ira.c (ira): Call ira_set_pseudo_classes before
17326 update_equiv_regs when it is necessary.
17328 2021-01-27 Jakub Jelinek <jakub@redhat.com>
17331 * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
17332 %w0, %w1 and %2 instead of %0, %1 and %2.
17334 2021-01-27 Aaron Sawdey <acsawdey@linux.ibm.com>
17336 * config/rs6000/genfusion.pl: New script to generate
17337 define_insn_and_split patterns so combine can arrange fused
17338 instructions next to each other.
17339 * config/rs6000/fusion.md: New file, generated fused instruction
17340 patterns for combine.
17341 * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
17342 (non_update_memory_operand): New predicate.
17343 * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
17344 OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
17346 * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
17348 * config/rs6000/rs6000.c (rs6000_option_override_internal):
17349 Automatically set OPTION_MASK_P10_FUSION and
17350 OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
17351 (rs600_opt_masks): Allow -mpower10-fusion
17352 in function attributes.
17353 (address_is_non_pfx_d_or_x): New function.
17354 * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
17355 * config/rs6000/rs6000.md: Include fusion.md.
17356 * config/rs6000/rs6000.opt: Add -mpower10-fusion
17357 and -mpower10-fusion-ld-cmpi.
17358 * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
17360 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
17362 * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
17363 builtin generator macros.
17364 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
17366 (aarch64_<su>mlal<mode>): This.
17367 * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
17368 instead of inline asm.
17369 (vmlal_s16): Likewise.
17370 (vmlal_s32): Likewise.
17371 (vmlal_u8): Likewise.
17372 (vmlal_u16): Likewise.
17373 (vmlal_u32): Likewise.
17375 2021-01-27 Richard Biener <rguenther@suse.de>
17377 PR tree-optimization/98854
17378 * tree-vect-slp.c (vect_build_slp_tree_2): Also build
17379 PHIs from scalars when the number of CTORs matches the
17380 number of children.
17382 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
17384 * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
17386 * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
17388 (aarch64_mls_n<mode>): This.
17389 * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
17391 (vmls_n_s32): Likewise.
17392 (vmls_n_u16): Likewise.
17393 (vmls_n_u32): Likewise.
17394 (vmlsq_n_s16): Likewise.
17395 (vmlsq_n_s32): Likewise.
17396 (vmlsq_n_u16): Likewise.
17397 (vmlsq_n_u32): Likewise.
17399 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
17401 * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
17403 * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
17405 (vmls_s16): Likewise.
17406 (vmls_s32): Likewise.
17407 (vmls_u8): Likewise.
17408 (vmls_u16): Likewise.
17409 (vmls_u32): Likewise.
17410 (vmlsq_s8): Likewise.
17411 (vmlsq_s16): Likewise.
17412 (vmlsq_s32): Likewise.
17413 (vmlsq_u8): Likewise.
17414 (vmlsq_u16): Likewise.
17415 (vmlsq_u32): Likewise.
17417 2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
17419 * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
17421 * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
17423 (aarch64_mla_n<mode>): This.
17424 * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
17426 (vmla_n_s32): Likewise.
17427 (vmla_n_u16): Likewise.
17428 (vmla_n_u32): Likewise.
17429 (vmlaq_n_s16): Likewise.
17430 (vmlaq_n_s32): Likewise.
17431 (vmlaq_n_u16): Likewise.
17432 (vmlaq_n_u32): Likewise.
17434 2021-01-27 liuhongt <hongtao.liu@intel.com>
17437 * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
17438 (*sse2_eq<mode>3): Ditto.
17440 2021-01-27 Jakub Jelinek <jakub@redhat.com>
17442 * tree-pass.h (PROP_trees): Rename to ...
17443 (PROP_gimple): ... this.
17444 * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
17445 * passes.c (execute_function_dump, execute_function_todo,
17446 execute_one_ipa_transform_pass, execute_one_pass): Likewise.
17447 * varpool.c (ctor_for_folding): Likewise.
17449 2021-01-27 Jakub Jelinek <jakub@redhat.com>
17451 PR tree-optimization/97260
17452 * varpool.c: Include tree-pass.h.
17453 (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
17454 non-TREE_SIDE_EFFECTS automatic variables.
17456 2021-01-26 Paul Fee <paul.f.fee@gmail.com>
17458 * doc/cpp.texi (__cplusplus): Document value for -std=c++23
17460 * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
17461 * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
17462 (gen_compile_unit_die): Recognise C++23.
17464 2021-01-26 Jakub Jelinek <jakub@redhat.com>
17467 * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
17470 2021-01-26 Jakub Jelinek <jakub@redhat.com>
17473 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
17474 Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
17475 and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
17477 2021-01-26 Richard Biener <rguenther@suse.de>
17479 * gimple-pretty-print.c (dump_binary_rhs): Handle
17480 VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
17482 2021-01-26 Richard Biener <rguenther@suse.de>
17484 PR middle-end/98726
17485 * tree.h (vector_cst_int_elt): Remove.
17486 * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
17489 2021-01-26 Andrew Stubbs <ams@codesourcery.com>
17491 * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
17492 for V64DFmode min/max reductions.
17494 2021-01-26 Jakub Jelinek <jakub@redhat.com>
17496 * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
17497 as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
17498 two halves, one with x and the other with const0_rtx, ordered
17499 depending on endianity.
17501 2021-01-26 Alexandre Oliva <oliva@adacore.com>
17503 * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
17504 temporaries not seen in binding block, and not about to be
17505 added as gimple variables.
17507 2021-01-25 Martin Sebor <msebor@redhat.com>
17510 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
17512 2021-01-25 Martin Liska <mliska@suse.cz>
17514 * value-prof.c (get_nth_most_common_value): Use %s instead
17517 2021-01-25 Jakub Jelinek <jakub@redhat.com>
17520 * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
17521 readelf -wi is able to read the emitted .debug_info back.
17522 * configure: Regenerated.
17524 2021-01-25 Martin Liska <mliska@suse.cz>
17526 PR gcov-profile/98739
17527 * common.opt: Add missing sign symbol.
17528 * value-prof.c (get_nth_most_common_value): Restore handling
17529 of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
17530 PROFILE_REPRODUCIBILITY_MULTITHREADED.
17532 2021-01-25 Richard Biener <rguenther@suse.de>
17534 PR middle-end/98807
17535 * tree.c (vector_element_bits): Always use precision of
17536 the element type for boolean vectors.
17538 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
17540 * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
17541 (ENDFILE_SPEC): Evaluate qnolinkcmds.
17543 2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
17545 * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
17546 nostartfiles handling since this is already done by
17547 LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
17548 (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
17549 is already done by LINK_COMMAND_SPEC.
17550 (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
17551 this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
17554 2021-01-25 Jakub Jelinek <jakub@redhat.com>
17557 * fold-const-call.c (host_size_t_cst_p): Renamed to ...
17558 (size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
17559 value rather than host size_t.
17560 (fold_const_call): Change type of s2 from size_t to
17561 unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
17562 host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
17563 instead of s2 as last argument.
17565 2021-01-25 Tamar Christina <tamar.christina@arm.com>
17567 * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
17568 VCMLA_OP, VCMUL_OP): New.
17569 * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
17570 * config/arm/neon.md (cmul<conj_op><mode>3): New.
17571 * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
17572 UNSPEC_VCMUL_CONJ): New.
17573 * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
17574 cml<fcmac1><conj_op><mode>4): New.
17576 2021-01-23 Jakub Jelinek <jakub@redhat.com>
17579 * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
17581 2021-01-22 Jonathan Wright <jonathan.wright@arm.com>
17583 * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
17585 * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
17587 (vmla_s16): Likewise.
17588 (vmla_s32): Likewise.
17589 (vmla_u8): Likewise.
17590 (vmla_u16): Likewise.
17591 (vmla_u32): Likewise.
17592 (vmlaq_s8): Likewise.
17593 (vmlaq_s16): Likewise.
17594 (vmlaq_s32): Likewise.
17595 (vmlaq_u8): Likewise.
17596 (vmlaq_u16): Likewise.
17597 (vmlaq_u32): Likewise.
17599 2021-01-22 David Malcolm <dmalcolm@redhat.com>
17601 * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
17604 2021-01-22 Jakub Jelinek <jakub@redhat.com>
17607 * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
17608 filenames to emit, still emit the required 0 index directory and
17609 filename entries that match DW_AT_comp_dir and DW_AT_name of the
17612 2021-01-22 Marek Polacek <polacek@redhat.com>
17615 * doc/invoke.texi: Update C++ ABI Version 15 description.
17617 2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17619 PR tree-optimization/98766
17620 * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
17621 comparing against type size with param_avoid_fma_max_bits.
17623 2021-01-22 Richard Biener <rguenther@suse.de>
17625 PR middle-end/98793
17626 * tree.c (vector_element_bits): Key single-bit bool vector on
17627 integer mode rather than not vector mode.
17629 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
17632 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17633 Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
17635 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
17636 to call different path for P8 and P9.
17637 (rs6000_expand_vector_set_var_p9): New function.
17638 (rs6000_expand_vector_set_var_p8): New function.
17640 2021-01-22 Xionghu Luo <luoxhu@linux.ibm.com>
17644 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17645 Ajdust variable index vec_insert from address dereference to
17646 ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
17647 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
17649 * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
17651 2021-01-22 Martin Liska <mliska@suse.cz>
17653 PR gcov-profile/98739
17654 * profile.c (compute_value_histograms): Drop time profile for
17655 -fprofile-reproducible=multithreaded.
17657 2021-01-22 Nathan Sidwell <nathan@acm.org>
17659 * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
17662 2021-01-22 Richard Biener <rguenther@suse.de>
17664 PR middle-end/98773
17665 * tree-data-ref.c (initalize_matrix_A): Revert previous
17666 change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
17668 2021-01-22 Jakub Jelinek <jakub@redhat.com>
17670 PR tree-optimization/90248
17671 * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
17672 X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
17674 (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
17675 X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
17677 2021-01-22 Jakub Jelinek <jakub@redhat.com>
17679 PR tree-optimization/98255
17680 * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
17681 extend index - low_bound from sizetype's precision rather than index
17683 (get_addr_base_and_unit_offset_1): Likewise.
17684 * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
17685 * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
17687 2021-01-22 Richard Biener <rguenther@suse.de>
17689 PR tree-optimization/98786
17690 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
17691 adding new uses of abnormals. Verify we deal with a conditional
17694 2021-01-22 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
17697 * optc-save-gen.awk: Add arm_fp16_format to checked_options.
17699 2021-01-22 liuhongt <hongtao.liu@intel.com>
17703 * config/i386/sse.md (VI_128_256): New mode iterator.
17704 (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
17705 *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
17706 *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
17707 define_insn_and_split to lower avx512 vector comparison to avx
17708 version when dest is vector.
17709 (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
17710 define_insn_and_split for negating the comparison result.
17711 * config/i386/predicates.md (float_vector_all_ones_operand):
17713 * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
17714 general NOT operator without UNSPEC_MASKOP.
17716 2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
17718 PR rtl-optimization/98777
17719 * lra-int.h (lra_pmode_pseudo): New extern.
17720 * lra.c (lra_pmode_pseudo): New global.
17722 * lra-eliminations.c (eliminate_regs_in_insn): Use it.
17724 2021-01-21 Ilya Leoshkevich <iii@linux.ibm.com>
17726 * fwprop.c (fwprop_propagation::classify_result): Allow
17727 (subreg (mem)) simplifications.
17729 2021-01-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17731 * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
17733 (aarch64_sqdmlal<mode>): ... This...
17734 (aarch64_sqdmlsl<mode>): ... And this.
17735 (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
17736 (aarch64_sqdmlal_lane<mode>): ... This...
17737 (aarch64_sqdmlsl_lane<mode>): ... And this.
17738 (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
17739 (aarch64_sqdmlsl_laneq<mode>): ... This...
17740 (aarch64_sqdmlal_laneq<mode>): ... And this.
17741 (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
17742 (aarch64_sqdmlsl_n<mode>): ... This...
17743 (aarch64_sqdmlal_n<mode>): ... And this.
17744 (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
17745 (aarch64_sqdmlal2<mode>_internal): ... This...
17746 (aarch64_sqdmlsl2<mode>_internal): ... And this.
17748 2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
17750 * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
17752 2021-01-21 Andrea Corallo <andrea.corallo@arm.com>
17755 * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
17757 2021-01-21 liuhongt <hongtao.liu@intel.com>
17759 PR rtl-optimization/98694
17760 * regcprop.c (copy_value): If SRC had been assigned a mode
17761 narrower than the copy, we can't link DEST into the chain even
17762 they have same hard_regno_nregs(i.e. HImode/SImode in i386
17765 2021-01-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17767 * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
17768 Convert to define_insn_and_split. Split into simple move when moving
17771 2021-01-20 Segher Boessenkool <segher@kernel.crashing.org>
17773 * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
17774 Adjust comment. Simplify code.
17776 2021-01-20 Jakub Jelinek <jakub@redhat.com>
17779 * dwarf2out.c (reset_indirect_string): Also reset indirect strings
17780 with DW_FORM_line_strp form.
17781 (prune_unused_types_update_strings): Don't add into debug_str_hash
17782 indirect strings with DW_FORM_line_strp form.
17783 (adjust_name_comp_dir): New function.
17784 (dwarf2out_finish): Call it on CU DIEs after resetting
17785 debug_line_str_hash.
17787 2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
17789 PR rtl-optimization/98722
17790 * lra-eliminations.c (eliminate_regs_in_insn): Check that target
17791 has no 3-op add insn to transform insns containing two pluses.
17793 2021-01-20 Richard Biener <rguenther@suse.de>
17795 * hwint.h (add_hwi): New function.
17796 (mul_hwi): Likewise.
17797 * tree-data-ref.c (initialize_matrix_A): Properly translate
17798 tree constants and avoid HOST_WIDE_INT_MIN.
17799 (lambda_matrix_row_add): Avoid undefined integer overflow
17800 and return true on such overflow.
17801 (lambda_matrix_right_hermite): Handle overflow from
17802 lambda_matrix_row_add gracefully. Simplify previous fix.
17803 (analyze_subscript_affine_affine): Likewise.
17805 2021-01-20 Eugene Rozenfeld <erozen@microsoft.com>
17807 PR tree-optimization/96674
17808 * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
17809 x >= y && y != XXX_MIN --> x > y - 1
17811 2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
17813 PR tree-optimization/98535
17814 * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
17815 If the high and low permutes are the same, remove the high permutes
17816 from the working set and only continue with the low ones.
17818 2021-01-20 Jakub Jelinek <jakub@redhat.com>
17820 PR tree-optimization/98721
17821 * builtins.c (access_ref::inform_access): Don't assume
17822 SSA_NAME_IDENTIFIER must be non-NULL. Print messages about
17823 object whenever allocfn is NULL, rather than only when DECL_P
17824 is true. Use %qE instead of %qD for that. Formatting fixes.
17826 2021-01-20 Richard Biener <rguenther@suse.de>
17828 PR tree-optimization/98758
17829 * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
17830 (lambda_matrix_right_hermite): Avoid undefinedness with
17831 signed integer abs and multiplication.
17832 (analyze_subscript_affine_affine): Use lambda_int.
17834 2021-01-20 David Malcolm <dmalcolm@redhat.com>
17837 * dwarf2out.c (output_line_info): Rename static variable
17838 "generation", moving it out of the function to...
17839 (output_line_info_generation): New.
17840 (init_sections_and_labels): Likewise, renaming the variable to...
17841 (init_sections_and_labels_generation): New.
17842 (dwarf2out_c_finalize): Reset the new variables.
17844 2021-01-19 Martin Sebor <msebor@redhat.com>
17846 PR middle-end/98664
17847 * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
17848 all functions, even if they're not declared artificial or inline.
17849 * tree.c (tree_inlined_location): Use macro expansion location
17850 only if scope traversal fails to expose one.
17852 2021-01-19 Richard Sandiford <richard.sandiford@arm.com>
17854 PR rtl-optimization/92294
17855 * alias.c (compare_base_symbol_refs): Take an extra parameter
17856 and add the distance between two symbols to it. Enshrine in
17857 comments that -1 means "either 0 or 1, but we can't tell
17858 which at compile time".
17859 (memrefs_conflict_p): Update call accordingly.
17860 (rtx_equal_for_memref_p): Likewise. Take the distance between symbols
17863 2021-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17865 * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
17866 sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
17867 uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
17868 sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
17869 sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
17870 sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
17871 sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
17872 sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
17873 sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
17874 uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
17875 sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
17876 sqmovun): Use NONE flags.
17878 2021-01-19 Richard Biener <rguenther@suse.de>
17881 * ipa-modref.c (analyze_stmt): Only record a summary for a
17884 2021-01-19 Richard Biener <rguenther@suse.de>
17886 PR middle-end/98638
17887 * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
17889 2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
17891 * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
17892 built-in define __FIX_LEON3FT_TN0018.
17894 2021-01-19 Richard Biener <rguenther@suse.de>
17897 * tree-inline.c (tree_function_versioning): Set input_location
17898 to UNKNOWN_LOCATION throughout the function.
17900 2021-01-19 Tobias Burnus <tobias@codesourcery.com>
17903 * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
17905 2021-01-19 Martin Jambor <mjambor@suse.cz>
17908 * ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
17909 whether non-call exceptions allow removal of a statement.
17910 (isra_analyze_call): Pass the appropriate function to
17911 ssa_name_only_returned_p.
17913 2021-01-19 Geng Qi <gengqi@linux.alibaba.com>
17915 * config/riscv/arch-canonicalize (longext_sort): New function for
17916 sorting 'multi-letter'.
17917 * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
17918 'alts'. The 'arch' may not be the first of 'alts'.
17919 (_expand_combination): Add underline for the 'ext' without '*'.
17920 This is because, a single-letter extension can always be treated well
17921 with a '_' prefix, but it cannot be separated out if it is appended
17924 2021-01-18 Vladimir N. Makarov <vmakarov@redhat.com>
17927 * ira.c (ira): Skip abnormal critical edge splitting.
17929 2021-01-18 Jakub Jelinek <jakub@redhat.com>
17931 PR tree-optimization/98727
17932 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
17933 second .MUL_OVERFLOW operand for signed multiplication with overflow
17934 checking if the second operand of multiplication is not constant.
17936 2021-01-18 David Edelsohn <dje.gcc@gmail.com>
17938 * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
17939 defaults to version 4.
17941 2021-01-18 David Malcolm <dmalcolm@redhat.com>
17943 * attribs.h (fndecl_dealloc_argno): New decl.
17944 * builtins.c (call_dealloc_argno): Split out second half of
17946 (fndecl_dealloc_argno): New.
17947 * doc/extend.texi (Common Function Attributes): Document the
17948 interaction between the analyzer and the malloc attribute.
17949 * doc/invoke.texi (Static Analyzer Options): Likewise.
17951 2021-01-17 David Edelsohn <dje.gcc@gmail.com>
17953 * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
17954 dwarf_version to 4.
17955 * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17957 2021-01-17 Martin Jambor <mjambor@suse.cz>
17960 * cgraph.c (clone_of_p): Check also former_clone_of as we climb
17963 2021-01-17 Mark Wielaard <mark@klomp.org>
17965 * common.opt (gdwarf-): Init(5).
17966 * doc/invoke.texi (-gdwarf): Document default to 5.
17968 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
17970 * builtin-types.def
17971 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
17973 (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
17974 ...this. Add extra argument.
17975 * gimplify.c (omp_default_clause): Ensure that event handle is
17976 firstprivate in a task region.
17977 (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
17978 (gimplify_adjust_omp_clauses): Likewise.
17979 * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
17980 BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
17981 * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
17982 if detach clause specified. Add detach argument when generating
17984 * omp-low.c (scan_sharing_clauses): Setup data environment for detach
17986 (finish_taskreg_scan): Move field for variable containing the event
17987 handle to the front of the struct.
17988 * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix
17990 * tree-nested.c (convert_nonlocal_omp_clauses): Handle
17991 OMP_CLAUSE_DETACH clause.
17992 (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
17993 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
17994 * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
17996 (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix
17998 (walk_tree_1): Handle OMP_CLAUSE_DETACH.
18000 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
18002 * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten
18003 multilib directory names. Use MULTILIB_REQUIRED instead of
18004 MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div
18005 -mcustom-fpu-cfg=fph2 multilib.
18007 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
18009 * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
18010 (nios2_init_fpu_configs): Provide register values for new
18011 -mcustom-fpu-cfg=fph2 option variant.
18012 * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
18015 2021-01-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
18017 * config/nios2/nios2.c (nios2_custom_check_insns): Remove
18018 custom instruction warnings.
18020 2021-01-16 Jakub Jelinek <jakub@redhat.com>
18022 PR tree-optimization/96669
18023 * match.pd ((CST << x) & 1 -> x == 0): New simplification.
18025 2021-01-16 Jakub Jelinek <jakub@redhat.com>
18027 PR tree-optimization/96271
18028 * passes.def: Pass false argument to first two pass_cd_dce
18029 instances and true to last instance. Add comment that
18030 last instance rewrites no longer addressed locals.
18031 * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
18033 (pass_cd_dce::set_pass_param): New method.
18034 (pass_cd_dce::execute): Return TODO_update_address_taken from
18035 last cd_dce instance.
18037 2021-01-15 Carl Love <cel@us.ibm.com>
18039 * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
18041 * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
18042 * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
18043 DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
18044 DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
18045 MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
18046 Add builtin define.
18047 (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions.
18048 * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
18049 VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
18050 New overloaded definitions.
18051 (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
18052 P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
18053 P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
18054 P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
18055 P10V_BUILTIN_MULHU_V4SI]: Add case
18056 statement for builtins.
18057 * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
18058 * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
18059 (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
18060 (vsx_mul_v2di): Add if TARGET_POWER10 statement.
18061 (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
18062 (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
18063 mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
18064 Add define_insn, mode is VIlong.
18065 * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
18066 Add builtin descriptions.
18068 2021-01-15 Eric Botcazou <ebotcazou@adacore.com>
18070 * final.c (final_start_function_1): Reset force_source_line.
18072 2021-01-15 Jakub Jelinek <jakub@redhat.com>
18074 PR tree-optimization/96669
18075 * match.pd (((1 << A) & 1) != 0 -> A == 0,
18076 ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
18077 possibly different power of two constants and to right shift too.
18079 2021-01-15 Jakub Jelinek <jakub@redhat.com>
18081 PR tree-optimization/96681
18082 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
18083 ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
18084 ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
18085 ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
18087 2021-01-15 Alexandre Oliva <oliva@adacore.com>
18089 * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
18091 2021-01-15 Tamar Christina <tamar.christina@arm.com>
18093 * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
18094 cmul<conj_op><mode>3): New.
18095 * config/aarch64/iterators.md (UNSPEC_FCMUL,
18096 UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
18097 UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
18098 FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
18099 sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
18100 (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
18101 (rot_op): Renamed to conj_op.
18102 * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
18103 cmul<conj_op><mode>3): New.
18104 * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
18105 cmul<conj_op><mode>3): New.
18107 2021-01-15 David Malcolm <dmalcolm@redhat.com>
18111 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
18112 Escape the tempfile name when constructing the expected output.
18114 2021-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18116 * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
18118 (aarch64_<su>mlsl_hi<mode>): ... This.
18119 (aarch64_<su>mlsl_hi<mode>): Define.
18120 (*aarch64_<su>mlsl<mode): Rename to...
18121 (aarch64_<su>mlsl<mode): ... This.
18122 * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
18123 smlsl_hi, umlsl_hi): Define builtins.
18124 * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
18125 vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
18126 vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
18127 vmlsl_u16, vmlsl_u32): Reimplement with builtins.
18129 2021-01-15 Uroš Bizjak <ubizjak@gmail.com>
18131 * config/i386/i386-c.c (ix86_target_macros):
18132 Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
18134 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
18137 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
18138 * Makefile.in (RTL_SSA_H): New variable.
18139 * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
18140 * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
18141 * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
18143 * config/aarch64/aarch64-cc-fusion.cc: New file.
18145 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
18147 * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
18148 calling cancel_changes for changes that no longer exist.
18150 2021-01-15 Richard Sandiford <richard.sandiford@arm.com>
18152 * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
18153 (function_info::reg_defs): ...this.
18154 * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
18155 (function_info::reg_defs): ...this.
18157 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
18160 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
18162 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
18165 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
18168 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
18170 2021-01-15 Richard Biener <rguenther@suse.de>
18172 PR tree-optimization/96376
18173 * tree-vect-stmts.c (get_load_store_type): Disregard alignment
18174 for VMAT_INVARIANT.
18176 2021-01-15 Martin Liska <mliska@suse.cz>
18178 * doc/install.texi: Document that some tests need pytest module.
18179 * doc/sourcebuild.texi: Likewise.
18181 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
18184 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
18186 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
18188 * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
18189 (mve_vshrq_n_u<mode>_imm): Likewise.
18190 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
18191 * config/arm/vec-common.md: ... here.
18193 2021-01-15 Christophe Lyon <christophe.lyon@linaro.org>
18195 * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
18197 * config/arm/neon.md (vashl<mode>3): Delete.
18198 * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
18199 (vasl<mode>3): New expander.
18201 2021-01-15 Richard Biener <rguenther@suse.de>
18203 PR tree-optimization/98685
18204 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
18205 of vector extern defs.
18207 2021-01-14 David Malcolm <dmalcolm@redhat.com>
18210 * diagnostic.c (diagnostic_kind_text): Break out this array
18212 (diagnostic_build_prefix): ...here.
18213 (fancy_abort): Detect when diagnostic_initialize has not yet been
18214 called and fall back to a minimal implementation of printing the
18215 ICE, rather than segfaulting in internal_error.
18217 2021-01-14 David Malcolm <dmalcolm@redhat.com>
18219 * diagnostic.c (diagnostic_initialize): Eliminate
18220 parseable_fixits_p in favor of initializing extra_output_kind from
18221 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
18222 (convert_column_unit): New function, split out from...
18223 (diagnostic_converted_column): ...this.
18224 (print_parseable_fixits): Add "column_unit" and "tabstop" params.
18225 Use them to call convert_column_unit on the column values.
18226 (diagnostic_report_diagnostic): Eliminate conditional on
18227 parseable_fixits_p in favor of a switch statement on
18228 extra_output_kind, passing the appropriate values to the new
18229 params of print_parseable_fixits.
18230 (selftest::test_print_parseable_fixits_none): Update for new
18231 params of print_parseable_fixits.
18232 (selftest::test_print_parseable_fixits_insert): Likewise.
18233 (selftest::test_print_parseable_fixits_remove): Likewise.
18234 (selftest::test_print_parseable_fixits_replace): Likewise.
18235 (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
18237 (selftest::diagnostic_c_tests): Call it.
18238 * diagnostic.h (enum diagnostics_extra_output_kind): New.
18239 (diagnostic_context::parseable_fixits_p): Delete field in favor
18241 (diagnostic_context::extra_output_kind): ...this new field.
18242 * doc/invoke.texi (Environment Variables): Add
18243 GCC_EXTRA_DIAGNOSTIC_OUTPUT.
18244 * opts.c (common_handle_option): Update handling of
18245 OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
18248 2021-01-14 Tamar Christina <tamar.christina@arm.com>
18250 * tree-vect-slp-patterns.c (class complex_operations_pattern,
18251 complex_operations_pattern::matches,
18252 complex_operations_pattern::recognize,
18253 complex_operations_pattern::build): New.
18254 (slp_patterns): Use it.
18256 2021-01-14 Tamar Christina <tamar.christina@arm.com>
18258 * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
18259 * optabs.def (cmls_optab, cmls_conj_optab): New.
18260 * doc/md.texi: Document them.
18261 * tree-vect-slp-patterns.c (class complex_fms_pattern,
18262 complex_fms_pattern::matches, complex_fms_pattern::recognize,
18263 complex_fms_pattern::build): New.
18265 2021-01-14 Tamar Christina <tamar.christina@arm.com>
18267 * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
18268 * optabs.def (cmla_optab, cmla_conj_optab): New.
18269 * doc/md.texi: Document them.
18270 * tree-vect-slp-patterns.c (vect_match_call_p,
18271 class complex_fma_pattern, vect_slp_reset_pattern,
18272 complex_fma_pattern::matches, complex_fma_pattern::recognize,
18273 complex_fma_pattern::build): New.
18275 2021-01-14 Tamar Christina <tamar.christina@arm.com>
18277 * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
18278 * optabs.def (cmul_optab, cmul_conj_optab): New.
18279 * doc/md.texi: Document them.
18280 * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
18281 vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
18282 vect_build_combine_node, class complex_mul_pattern,
18283 complex_mul_pattern::matches, complex_mul_pattern::recognize,
18284 complex_mul_pattern::build): New.
18286 2021-01-14 Tamar Christina <tamar.christina@arm.com>
18288 * tree-vect-slp.c (optimize_load_redistribution_1): New.
18289 (optimize_load_redistribution, vect_is_slp_load_node): New.
18290 (vect_match_slp_patterns): Use it.
18292 2021-01-14 Tamar Christina <tamar.christina@arm.com>
18294 * tree-vect-slp-patterns.c (complex_add_pattern::build):
18297 2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
18299 * config/gcn/mkoffload.c (main): Create an offload image only in
18300 64-bit configurations.
18302 2021-01-14 H.J. Lu <hjl.tools@gmail.com>
18305 * config/i386/i386-options.c (ix86_option_override_internal):
18306 Issue an error for -fcf-protection with CF_BRANCH when compiling
18307 for 32-bit non-TARGET_CMOV targets.
18309 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
18312 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
18313 Remove declaration and initialization of shadow variable "ret".
18314 (ix86_option_override_internal): Remove delcaration of
18315 shadow variable "i". Redeclare shadowed variable to unsigned.
18316 * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
18317 * config/i386/i386-builtins.c (get_builtin_code_for_version):
18318 Update for redeclaration.
18319 * config/i386/i386.h (pta_size): Ditto.
18321 2021-01-14 Richard Biener <rguenther@suse.de>
18323 PR tree-optimization/98674
18324 * tree-data-ref.c (base_supports_access_fn_components_p): New.
18325 (initialize_data_dependence_relation): For two bases without
18326 possible access fns resort to type size equality when determining
18327 shape compatibility.
18329 2021-01-14 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
18332 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
18333 <=, >= operators in vcle and vcge intrinsics respectively.
18334 * config/arm/arm_neon_builtins.def: Remove entry for
18337 2021-01-14 Uroš Bizjak <ubizjak@gmail.com>
18340 * config/i386/i386-options.c (ix86_function_specific_save):
18341 Remove redundant assignment to opts->x_ix86_branch_cost.
18342 * config/i386/i386.c (ix86_prefetch_sse):
18343 Rename from x86_prefetch_sse. Update all uses.
18344 * config/i386/i386.h: Update for rename.
18345 * config/i386/i386-options.h: Ditto.
18347 2021-01-14 Jakub Jelinek <jakub@redhat.com>
18350 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
18351 *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
18352 Use Bm instead of m for non-avx. Add isa attribute.
18354 2021-01-14 Jakub Jelinek <jakub@redhat.com>
18356 PR tree-optimization/96688
18357 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
18358 ~X can be simplified.
18360 2021-01-14 Richard Sandiford <richard.sandiford@arm.com>
18362 * tree-vect-stmts.c (vect_model_load_cost): Account for unused
18363 IFN_LOAD_LANES results.
18365 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18367 * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
18369 (aarch64_xtn<mode>): Likewise.
18370 * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
18373 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
18375 (vmovl_s16): Likewise.
18376 (vmovl_s32): Likewise.
18377 (vmovl_u8): Likewise.
18378 (vmovl_u16): Likewise.
18379 (vmovl_u32): Likewise.
18380 (vmovn_s16): Likewise.
18381 (vmovn_s32): Likewise.
18382 (vmovn_s64): Likewise.
18383 (vmovn_u16): Likewise.
18384 (vmovn_u32): Likewise.
18385 (vmovn_u64): Likewise.
18387 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18389 * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
18391 (aarch64_<su>qxtn2<mode>_be): Likewise.
18392 (aarch64_<su>qxtn2<mode>): Likewise.
18393 * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
18395 * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
18396 (su): Handle ss_truncate and us_truncate.
18397 * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
18399 (vqmovn_high_s32): Likewise.
18400 (vqmovn_high_s64): Likewise.
18401 (vqmovn_high_u16): Likewise.
18402 (vqmovn_high_u32): Likewise.
18403 (vqmovn_high_u64): Likewise.
18405 2021-01-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18407 * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
18409 (aarch64_xtn2<mode>_be): Likewise.
18410 (aarch64_xtn2<mode>): Likewise.
18411 * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
18413 * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
18415 (vmovn_high_s32): Likewise.
18416 (vmovn_high_s64): Likewise.
18417 (vmovn_high_u16): Likewise.
18418 (vmovn_high_u32): Likewise.
18419 (vmovn_high_u64): Likewise.
18421 2021-01-13 Stafford Horne <shorne@gmail.com>
18423 * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
18425 2021-01-13 Stafford Horne <shorne@gmail.com>
18427 * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
18429 2021-01-13 Stafford Horne <shorne@gmail.com>
18431 * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
18432 define for __or1k_hard_float__.
18434 2021-01-13 Stafford Horne <shorne@gmail.com>
18436 * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
18437 (PROFILE_HOOK): Define to call _mcount.
18438 (FUNCTION_PROFILER): Change from abort to no-op.
18440 2021-01-13 Jakub Jelinek <jakub@redhat.com>
18442 PR tree-optimization/96691
18443 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
18444 (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
18445 (~D ^ C) or (D ^ C) can be simplified.
18447 2021-01-13 Richard Biener <rguenther@suse.de>
18449 PR tree-optimization/92645
18450 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
18451 until after vector lowering.
18453 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
18455 * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
18457 (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
18458 (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
18460 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
18462 * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
18464 (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
18465 (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
18467 2021-01-13 Richard Biener <rguenther@suse.de>
18469 PR tree-optimization/92645
18470 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
18471 BIT_FIELD_REF argument.
18472 (vect_build_slp_tree_2): Record the desired vector type
18473 on the external vector def.
18474 (vectorizable_slp_permutation): Handle required punning
18475 of existing vector defs.
18477 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
18479 * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
18481 2021-01-13 Richard Sandiford <richard.sandiford@arm.com>
18483 * config/sh/sh.md (movsf_ie): Remove operands[2] test.
18485 2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
18487 * config.gcc [$target == *-*-gnu*]: Enable
18488 'default_gnu_indirect_function'.
18490 2021-01-13 Jakub Jelinek <jakub@redhat.com>
18493 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
18494 registers before calling targetm.vectorize.vec_perm_const, only after
18496 * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
18497 two argument permutation when one operand is zero vector and only
18498 after that force operands into registers.
18499 * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
18500 define_insn_and_split pattern.
18501 (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
18502 (*avx512f_zero_extendv16hiv16si2_1): Likewise.
18503 (*avx2_zero_extendv8hiv8si2_1): Likewise.
18504 (*avx512f_zero_extendv8siv8di2_1): Likewise.
18505 (*avx2_zero_extendv4siv4di2_1): Likewise.
18506 * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
18508 * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
18509 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
18510 * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
18511 * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
18512 * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
18513 * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap.
18515 2021-01-13 Martin Liska <mliska@suse.cz>
18517 PR tree-optimization/98455
18518 * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
18519 Record also virtual PHIs.
18520 (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
18523 2021-01-13 Jonathan Wakely <jwakely@redhat.com>
18525 * doc/invoke.texi (C++ Modules): Fix typos.
18527 2021-01-13 Richard Biener <rguenther@suse.de>
18529 PR tree-optimization/98640
18530 * tree-ssa-sccvn.c (visit_nary_op): Do not try to
18531 handle plus or minus from a truncated operand to be
18534 2021-01-13 Jakub Jelinek <jakub@redhat.com>
18537 * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
18538 define_insn_and_split patterns.
18539 (splitter after *btr<mode>_2): New splitter.
18541 2021-01-13 Martin Liska <mliska@suse.cz>
18544 * cgraphunit.c (analyze_functions): Remove dead code.
18546 2021-01-13 Qian Jianhua <qianjh@cn.fujitsu.com>
18548 * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
18549 * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
18550 (a64fx_regmove_cost, a64fx_vector_cost): New.
18551 (a64fx_tunings): Use the new added cost tables.
18553 2021-01-13 Jakub Jelinek <jakub@redhat.com>
18556 * config/i386/predicates.md (pmovzx_parallel): New predicate.
18557 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
18558 define_insn_and_split pattern.
18559 (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
18560 (*sse4_1_zero_extendv2siv2di2_3): Likewise.
18562 2021-01-13 Julian Brown <julian@codesourcery.com>
18564 * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
18565 to fix v0 register.
18567 2021-01-13 Julian Brown <julian@codesourcery.com>
18569 * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
18572 2021-01-13 Julian Brown <julian@codesourcery.com>
18574 * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
18575 for reciprocal-approximation instructions.
18576 (div<mode>3): Use fused multiply-accumulate operations for reciprocal
18577 refinement and division result.
18578 * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
18580 2021-01-13 Julian Brown <julian@codesourcery.com>
18582 * config/gcn/gcn-valu.md (subdf): Rename to...
18585 2021-01-12 Martin Liska <mliska@suse.cz>
18587 * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
18589 2021-01-12 Andrea Corallo <andrea.corallo@arm.com>
18591 * function-abi.h: Fix typo.
18593 2021-01-12 Christophe Lyon <christophe.lyon@linaro.org>
18597 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
18598 (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
18599 (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
18600 (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
18601 (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
18602 (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
18603 (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
18604 (ARM_HAVE_NEON_V2DI_LDST): Likewise.
18605 (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
18606 (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
18607 (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
18608 (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
18609 (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
18610 (ARM_HAVE_V2DI_LDST): Likewise.
18611 * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
18612 (*movmisalign<mode>_mve_load): New pattern.
18613 * config/arm/neon.md (movmisalign<mode>): Move to ...
18614 * config/arm/vec-common.md: ... here.
18616 2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
18619 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
18620 of pattern 'plus (plus (hard reg, const), pseudo)'.
18622 2021-01-12 Richard Biener <rguenther@suse.de>
18624 PR tree-optimization/98550
18625 * tree-vect-slp.c (vect_record_max_nunits): Check whether
18626 the group size is a multiple of the vector element count.
18627 (vect_build_slp_tree_1): When we need to fail because
18628 the vector type choosen causes unrolling do so lazily
18629 without affecting matches only at the end to guide group splitting.
18631 2021-01-12 Martin Liska <mliska@suse.cz>
18634 * optc-save-gen.awk: Compare also n_target_save vars with
18637 2021-01-12 Martin Liska <mliska@suse.cz>
18639 * gcov.c (source_info::debug): New.
18640 (print_usage): Add --debug (-D) option.
18641 (process_args): Likewise.
18642 (generate_results): Call src->debug after
18643 accumulate_line_counts.
18644 (read_graph_file): Properly assign id for EXIT_BLOCK.
18645 * profile.c (branch_prob): Dump function body before it is
18648 2021-01-12 Jakub Jelinek <jakub@redhat.com>
18650 PR tree-optimization/98629
18651 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
18652 unless returning non-zero.
18654 2021-01-12 Jakub Jelinek <jakub@redhat.com>
18656 PR tree-optimization/95731
18657 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
18658 x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
18659 (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
18660 only after optimize_range_tests_var_bound.
18662 2021-01-12 Jakub Jelinek <jakub@redhat.com>
18664 * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
18665 * configure: Regenerated.
18667 2021-01-12 liuhongt <hongtao.liu@intel.com>
18670 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
18672 * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
18675 2021-01-12 Alexandre Oliva <oliva@adacore.com>
18677 * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
18679 (auto_end_imm_use_stmt_traverse): New struct.
18680 (FOR_EACH_IMM_USE_STMT): Use it.
18681 (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
18683 * gimple-ssa-strength-reduction.c: ... here, ...
18684 * graphite-scop-detection.c: ... here, ...
18685 * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
18686 * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
18687 * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
18688 * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
18689 * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
18690 * tree-vect-slp.c: ... and here, ...
18691 * doc/tree-ssa.texi: ... and the example here.
18693 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18695 * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
18696 SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X.
18697 (*sdiv_pow2<mode>3): New pattern.
18698 (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
18699 Wrap the ASRD in an UNSPEC_PRED_X.
18700 (*cond_<sve_int_op><mode>_2): Likewise. Replace the UNSPEC_PRED_X
18701 predicate with a constant PTRUE, if it isn't already.
18702 (*cond_<sve_int_op><mode>_z): Replace with...
18703 (*cond_<sve_int_op><mode>_any): ...this new pattern.
18705 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18707 * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
18708 SVE_FULL_I to SVE_I.
18709 (*cond_bic<mode>_any): Likewise.
18711 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18713 * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
18714 (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
18717 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18719 * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
18720 SVE_FULL_I to SVE_I.
18721 (*aarch64_cond_<su>abd<mode>_2): Likewise.
18722 (*aarch64_cond_<su>abd<mode>_any): Likewise.
18723 (@aarch64_pred_<su>abd<mode>): Likewise. Use UNSPEC_PRED_X
18724 for the max and min but not for the minus.
18725 (*aarch64_cond_<su>abd<mode>_3): New pattern.
18727 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18729 * config/aarch64/iterators.md (SVE_24I): New iterator.
18730 * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
18731 SVE_FULL_SDI to SVE_24I. Use containers rather than elements.
18733 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18735 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
18736 (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
18738 (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
18739 (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
18740 (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
18741 (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
18743 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18745 * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
18746 (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
18747 (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
18750 2021-01-11 Richard Sandiford <richard.sandiford@arm.com>
18752 * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
18753 (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
18754 (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
18756 2021-01-11 Martin Liska <mliska@suse.cz>
18759 * symtab-clones.h (clone_info::release): Release
18760 symtab::m_clones with ggc_delete as it's a GGC memory.
18762 2021-01-11 Matthias Klose <doko@ubuntu.com>
18764 * Makefile.in (LINK_PROGRESS): Show the link target.
18766 2021-01-11 Richard Biener <rguenther@suse.de>
18768 PR tree-optimization/91403
18769 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
18770 single-element interleaving group size at 4096 elements.
18772 2021-01-11 Richard Biener <rguenther@suse.de>
18774 PR tree-optimization/98526
18775 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
18776 of the actual reduction op for the regular case.
18777 (vectorizable_reduction): Cost the stmts
18778 vect_transform_reduction produces here.
18780 2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
18782 * tree-ssa-forwprop.c (simplify_vector_constructor): For
18783 big-endian, use UNPACK[_FLOAT]_HI.
18785 2021-01-11 Tamar Christina <tamar.christina@arm.com>
18787 * tree-vect-slp-patterns.c (class complex_pattern,
18788 class complex_add_pattern): Add parameters to matches.
18789 (complex_add_pattern::build): Free memory.
18790 (complex_add_pattern::matches): Move validation end of match.
18791 (complex_add_pattern::recognize): Likewise.
18793 2021-01-11 Tamar Christina <tamar.christina@arm.com>
18795 * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
18797 2021-01-11 Tamar Christina <tamar.christina@arm.com>
18799 * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
18801 2021-01-11 Jakub Jelinek <jakub@redhat.com>
18803 PR tree-optimization/95867
18804 * tree-ssa-math-opts.h: New header.
18805 * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
18806 (powi_as_mults): No longer static. Use build_one_cst instead of
18807 build_real. Formatting fix.
18808 * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
18809 (attempt_builtin_powi): Handle multiplication reassociation without
18810 powi_fndecl using powi_as_mults.
18811 (reassociate_bb): For integral types don't require
18812 -funsafe-math-optimizations to call attempt_builtin_powi.
18814 2021-01-11 Jakub Jelinek <jakub@redhat.com>
18816 PR tree-optimization/95852
18817 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
18818 mul_stmts parameter type to vec<gimple *> &. Before cond_stmt
18819 allow in the bb any of the stmts in that vector, div_stmt and
18820 up to 3 cast stmts.
18821 (arith_cast_equal_p): New function.
18822 (arith_overflow_check_p): Add cast_stmt argument, handle signed
18823 multiply overflow checks.
18824 (match_arith_overflow): Adjust caller. Handle signed multiply
18827 2021-01-11 Jakub Jelinek <jakub@redhat.com>
18829 PR tree-optimization/95852
18830 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
18831 (uaddsub_overflow_check_p): Renamed to ...
18832 (arith_overflow_check_p): ... this. Handle also multiplication
18833 with overflow check.
18834 (match_uaddsub_overflow): Renamed to ...
18835 (match_arith_overflow): ... this. Add cfg_changed argument. Handle
18836 also multiplication with overflow check. Adjust function comment.
18837 (math_opts_dom_walker::after_dom_children): Adjust callers. Call
18838 match_arith_overflow also for MULT_EXPR.
18840 2021-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18842 * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
18843 __builtin_convertvector.
18844 (vmovl_s16): Likewise.
18845 (vmovl_s32): Likewise.
18846 (vmovl_u8): Likewise.
18847 (vmovl_u16): Likewise.
18848 (vmovl_u32): Likewise.
18849 (vmovn_s16): Likewise.
18850 (vmovn_s32): Likewise.
18851 (vmovn_s64): Likewise.
18852 (vmovn_u16): Likewise.
18853 (vmovn_u32): Likewise.
18854 (vmovn_u64): Likewise.
18856 2021-01-11 Martin Liska <mliska@suse.cz>
18858 * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
18859 (if_chain::is_beneficial): Delete clusters
18860 (find_conditions): Make second argument of conditions_in_bbs a
18861 pointer so that we control over it's lifetime.
18862 (pass_if_to_switch::execute): Delete them.
18864 2021-01-11 Kewen Lin <linkw@linux.ibm.com>
18866 * ira.c (move_unallocated_pseudos): Check other_reg and skip if
18869 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18871 * config/vax/vax.md (cc): Remove mode attribute.
18872 (subst_<cc>, subst_f<cc>): Rename to...
18873 (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
18874 (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
18875 (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
18876 (*branch_<mode>, *branch_<mode>_reversed): Likewise.
18878 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18880 * config/vax/vax.md (subst_f<cc>): Add mode to operands and
18881 `const_double_zero'.
18883 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18885 * config/pdp11/pdp11.md (PDPfp): New mode iterator.
18886 (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and
18889 2021-01-09 Maciej W. Rozycki <macro@linux-mips.org>
18891 * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
18893 * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
18894 with `const_double_zero'.
18895 * doc/rtl.texi (Constant Expression Types): Document it.
18897 2021-01-09 Jakub Jelinek <jakub@redhat.com>
18900 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
18901 POINTER_DIFF_EXPR to be any integral type.
18903 2021-01-09 Jakub Jelinek <jakub@redhat.com>
18905 PR rtl-optimization/98603
18906 * function.c (instantiate_virtual_regs_in_insn): For asm goto
18907 with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
18908 if any, set ASM_OPERANDS mode to VOIDmode and change
18909 ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
18911 2021-01-09 Alexandre Oliva <oliva@gnu.org>
18914 * final.c (notice_source_line): Narrow down the condition to
18915 skip a line-0 marker.
18917 2021-01-08 Sergei Trofimovich <siarheit@google.com>
18919 * ipa-modref.c (merge_call_side_effects): Fix
18920 linebreak split by reordering two print calls.
18922 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
18924 * config/s390/vector.md (*tf_to_fprx2_0): Rename from
18925 "*mov_tf_to_fprx2_0" for consistency, fix constraint.
18926 (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
18927 consistency, fix constraint.
18929 2021-01-08 Ilya Leoshkevich <iii@linux.ibm.com>
18931 * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
18932 callables instead of mask values.
18933 (struct target_flag_set_p): New predicate.
18934 (s390_cpu_cpp_builtins_internal): Define or undefine
18935 __LONG_DOUBLE_VX__ macro.
18937 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
18940 * config/i386/i386.c (x86_function_profiler): Use R10 and R11
18941 to call mcount in large model with PIC for NO_PROFILE_COUNTERS
18944 2021-01-08 Richard Biener <rguenther@suse.de>
18946 * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
18948 2021-01-08 Richard Biener <rguenther@suse.de>
18950 * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
18951 (vect_build_slp_tree): On cache hit release the matched
18952 scalar stmts vector.
18953 * tree-vect-stmts.c (vectorizable_store): Properly free
18954 vec_oprnds before possibly gathering them again.
18956 2021-01-08 Richard Biener <rguenther@suse.de>
18958 PR tree-optimization/98544
18959 * tree-vect-slp.c (vect_optimize_slp): Always materialize
18960 permutes at a permute node.
18962 2021-01-08 H.J. Lu <hjl.tools@gmail.com>
18965 * config/i386/i386.c (x86_function_profiler): Use R10 to call
18966 mcount in large model. Sorry for large model with PIC.
18968 2021-01-08 Jakub Jelinek <jakub@redhat.com>
18971 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
18972 ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
18973 ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
18974 TargetSave and initialize for variables with enum types.
18975 (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
18976 mstack-protector-guard-symbol=): Add Save.
18977 * config/i386/i386-options.c (ix86_function_specific_save,
18978 ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
18979 x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
18980 x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
18981 x_ix86_veclibabi_type.
18983 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
18985 * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
18986 SVE_FULL_I to SVE_I.
18987 (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
18989 2021-01-08 Richard Sandiford <richard.sandiford@arm.com>
18991 * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
18992 SVE_FULL_I to SVE_I.
18993 (*cond_uxt<mode>_any): Likewise.
18995 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18997 * config/aarch64/iterators.md (Vwhalf): New iterator.
18998 * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
19000 (aarch64_<sur>adalp<mode>): ... This. Make more
19002 (<sur>sadv16qi): Adjust callsite of the above.
19003 * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
19005 * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
19007 (vpadal_s16): Likewise.
19008 (vpadal_u8): Likewise.
19009 (vpadal_u16): Likewise.
19010 (vpadalq_s8): Likewise.
19011 (vpadalq_s16): Likewise.
19012 (vpadalq_s32): Likewise.
19013 (vpadalq_u8): Likewise.
19014 (vpadalq_u16): Likewise.
19015 (vpadalq_u32): Likewise.
19017 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19019 * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
19021 (aarch64_<su>abd<mode>): ... This.
19022 (<sur>sadv16qi): Adjust callsite of the above.
19023 * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
19025 * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
19027 (vabd_s16): Likewise.
19028 (vabd_s32): Likewise.
19029 (vabd_u8): Likewise.
19030 (vabd_u16): Likewise.
19031 (vabd_u32): Likewise.
19032 (vabdq_s8): Likewise.
19033 (vabdq_s16): Likewise.
19034 (vabdq_s32): Likewise.
19035 (vabdq_u8): Likewise.
19036 (vabdq_u16): Likewise.
19037 (vabdq_u32): Likewise.
19039 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19041 * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
19043 * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
19044 (vaba_s16): Likewise.
19045 (vaba_s32): Likewise.
19046 (vaba_u8): Likewise.
19047 (vaba_u16): Likewise.
19048 (vaba_u32): Likewise.
19049 (vabaq_s8): Likewise.
19050 (vabaq_s16): Likewise.
19051 (vabaq_s32): Likewise.
19052 (vabaq_u8): Likewise.
19053 (vabaq_u16): Likewise.
19054 (vabaq_u32): Likewise.
19056 2021-01-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19058 * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
19059 (aarch64_<su>aba<mode>): ... This. Handle uaba as well.
19060 Change RTL pattern to match.
19062 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
19064 * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
19065 * config/riscv/riscv-c.c (riscv-subset.h): New.
19066 (INCLUDE_STRING): Define.
19067 (riscv_cpu_cpp_builtins): Add new style architecture extension
19069 * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
19070 (riscv_subset_list::end): New.
19071 (riscv_current_subset_list): New.
19073 2021-01-08 Kito Cheng <kito.cheng@sifive.com>
19075 * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
19076 Move to riscv-subset.h.
19077 (struct riscv_subset_t): Ditto.
19078 (class riscv_subset_list): Ditto.
19079 * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
19080 from riscv-common.c.
19081 (struct riscv_subset_t): Ditto.
19082 (class riscv_subset_list): Ditto.
19083 * config/riscv/t-riscv ($(common_out_file)): Add file
19086 2021-01-07 Jakub Jelinek <jakub@redhat.com>
19089 * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
19090 New define_insn patterns.
19092 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
19094 * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
19095 (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
19096 (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
19098 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
19100 PR tree-optimization/98560
19101 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
19102 * internal-fn.c (vec_cond_mask_direct): Get the data mode from
19104 (vec_cond_direct): Likewise argument 2.
19105 (vec_condu_direct, vec_condeq_direct): Delete.
19106 (expand_vect_cond_optab_fn): Rename to...
19107 (expand_vec_cond_optab_fn): ...this, replacing old macro.
19108 (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
19109 (expand_vect_cond_mask_optab_fn): Rename to...
19110 (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
19111 (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
19113 (direct_vec_cond_optab_supported_p): Likewise.
19114 (direct_vec_condu_optab_supported_p): Delete.
19115 (direct_vec_condeq_optab_supported_p): Delete.
19116 * gimple-isel.cc: Include internal-fn.h.
19117 (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
19120 2021-01-07 Richard Sandiford <richard.sandiford@arm.com>
19122 PR tree-optimization/98560
19123 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
19124 IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
19126 2021-01-07 Uroš Bizjak <ubizjak@gmail.com>
19128 * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
19129 rotate_insn and optab code attributes.
19130 Update all uses to merged code attribute.
19131 * config/i386/sse.md: Update all uses to merged code attribute.
19132 * config/i386/mmx.md: Update all uses to merged code attribute.
19134 2021-01-07 Jakub Jelinek <jakub@redhat.com>
19136 PR tree-optimization/98568
19137 * gimple-ssa-store-merging.c (bswap_view_convert): New function.
19138 (bswap_replace): Use it.
19140 2021-01-06 Vladimir N. Makarov <vmakarov@redhat.com>
19142 PR rtl-optimization/97978
19143 * lra-int.h (lra_hard_reg_split_p): New external.
19144 * lra.c (lra_hard_reg_split_p): New global.
19145 (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
19146 * lra-assigns.c (lra_assign): Don't check allocation correctness
19147 after hard reg splitting.
19149 2021-01-06 Martin Sebor <msebor@redhat.com>
19152 * builtins.c (new_delete_mismatch_p): New overload.
19153 (new_delete_mismatch_p (tree, tree)): Call it.
19155 2021-01-06 Alexandre Oliva <oliva@adacore.com>
19157 * Makefile.in (T_GLIMITS_H): New.
19158 (stmp-int-hdrs): Depend on it, use it.
19159 * config/t-vxworks (T_GLIMITS_H): Override it.
19160 (vxw-glimits.h): New.
19162 2021-01-06 Richard Biener <rguenther@suse.de>
19164 PR tree-optimization/98513
19165 * value-range.cc (intersect_ranges): Compare the upper bounds
19166 for the expected relation.
19168 2021-01-06 Gerald Pfeifer <gerald@pfeifer.com>
19171 2020-12-28 Gerald Pfeifer <gerald@pfeifer.com>
19173 * doc/standards.texi (HSAIL): Remove section.
19175 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
19177 * configure: Re-generate.
19179 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19181 * doc/invoke.texi (-std=c++20): Adjust for the publication of
19182 ISO 14882:2020 standard.
19183 * doc/standards.texi: Likewise.
19185 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19187 PR tree-optimization/94802
19188 * expr.h (maybe_optimize_sub_cmp_0): Declare.
19189 * expr.c: Include tree-pretty-print.h and flags.h.
19190 (maybe_optimize_sub_cmp_0): New function.
19191 (do_store_flag): Use it.
19192 * cfgexpand.c (expand_gimple_cond): Likewise.
19194 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
19196 * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
19197 * rtlanal.c (simple_regno_set): Tweak description to clarify the
19200 2021-01-05 Richard Biener <rguenther@suse.de>
19202 PR tree-optimization/98516
19203 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
19204 lanes when materializing on a VEC_PERM node.
19205 (vectorizable_slp_permutation): Dump the permute properly.
19207 2021-01-05 Richard Biener <rguenther@suse.de>
19209 * tree-vect-slp.c (vect_slp_region): Move debug counter
19210 to cover individual subgraphs.
19212 2021-01-05 Richard Biener <rguenther@suse.de>
19214 PR tree-optimization/98428
19215 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
19216 vector lane extracts for loop vectorization.
19218 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19220 PR tree-optimization/98514
19221 * tree-ssa-reassoc.c (bb_rank): Change type from long * to
19223 (operand_rank): Change type from hash_map<tree, long> to
19224 hash_map<tree, int64_t>.
19225 (phi_rank): Change return type from long to int64_t.
19226 (loop_carried_phi): Change block_rank variable type from long to
19228 (propagate_rank): Change return type, rank parameter type and
19229 op_rank variable type from long to int64_t.
19230 (find_operand_rank): Change return type from long to int64_t
19231 and change slot variable type from long * to int64_t *.
19232 (insert_operand_rank): Change rank parameter type from long to
19234 (get_rank): Change return type and rank variable type from long to
19235 int64_t. Use PRId64 instead of ld to print the rank.
19236 (init_reassoc): Change rank variable type from long to int64_t
19237 and adjust correspondingly bb_rank and operand_rank initialization.
19239 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19241 PR tree-optimization/96928
19242 * tree-ssa-phiopt.c (xor_replacement): New function.
19243 (tree_ssa_phiopt_worker): Call it.
19245 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19247 PR tree-optimization/96930
19248 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
19249 from narrower value which has the same type as 1 << B, perform
19250 the right shift on the narrower value followed by extension.
19252 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19254 PR tree-optimization/96239
19255 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
19257 (get_status_for_store_merging): Don't return BB_INVALID for blocks
19258 with potential bswap optimizable CONSTRUCTORs.
19259 (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
19262 2021-01-05 Richard Biener <rguenther@suse.de>
19264 PR tree-optimization/98381
19265 * tree.c (vector_element_bits): Properly compute bool vector
19267 * tree-vect-loop.c (vectorizable_live_operation): Properly
19268 compute the last lane bit offset.
19270 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
19273 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
19274 Clear the top 64 bytes of the input XMM register.
19275 (sse_cvttps2pi): Ditto.
19277 2021-01-05 Uroš Bizjak <ubizjak@gmail.com>
19280 * config/i386/xopintrin.h (_mm256_cmov_si256): New.
19282 2021-01-05 H.J. Lu <hjl.tools@gmail.com>
19285 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
19288 2021-01-05 Claudiu Zissulescu <claziss@synopsys.com>
19290 * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
19291 (umaddsidi4_split): Likewise.
19293 2021-01-05 liuhongt <hongtao.liu@intel.com>
19296 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
19297 define_insn_and_split for zero_extend of subreg HI of pmovskb
19299 (*sse2_pmovskb_zexthisi): Add new combine splitters for
19300 zero_extend of not of subreg HI of pmovskb result.
19302 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
19305 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
19307 * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
19308 convert_memory_address to convert symbolic immediates to ptr_mode
19309 before forcing them to memory.
19311 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
19313 PR rtl-optimization/97144
19314 * recog.c (constrain_operands): Initialize matching_operand
19315 for each alternative, rather than only doing it once.
19317 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
19319 PR rtl-optimization/98403
19320 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
19321 why we don't remove call clobbers.
19322 (function_info::apply_changes_to_insn): Don't attempt to add
19323 call clobbers here.
19325 2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
19327 PR tree-optimization/98371
19328 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
19329 (vect_analyze_loop): If an epilogue loop appears to be cheaper
19330 than the main loop, re-analyze it as a main loop before adopting
19333 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
19336 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
19337 * aclocal.m4, configure: Regenerate.
19338 * Makefile.in (NETLIBS): Define.
19339 (BACKEND): Remove $(CODYLIB).
19341 2021-01-05 Jakub Jelinek <jakub@redhat.com>
19343 PR rtl-optimization/98334
19344 * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
19345 Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
19347 2021-01-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
19349 * tree-inline.c (expand_call_inline): Restore input_location.
19350 Return result from recursive call.
19352 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
19354 PR tree-optimization/95401
19355 * config/aarch64/aarch64-sve-builtins.cc
19356 (gimple_folder::load_store_cookie): Use bits rather than bytes
19357 for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
19358 * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
19359 * tree-vect-stmts.c (vectorizable_store): Likewise.
19360 (vectorizable_load): Likewise.
19362 2021-01-04 Richard Biener <rguenther@suse.de>
19364 PR tree-optimization/98308
19365 * tree-vect-stmts.c (vectorizable_load): Set invariant mask
19368 2021-01-04 Jakub Jelinek <jakub@redhat.com>
19370 PR tree-optimization/95771
19371 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
19372 with precision smaller than int's precision and types with precision
19373 twice as large as long long. Formatting fixes.
19375 2021-01-04 Richard Biener <rguenther@suse.de>
19377 PR tree-optimization/98464
19378 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
19379 (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb.
19380 (process_bb): Adjust.
19382 2021-01-04 Matthew Malcomson <matthew.malcomson@arm.com>
19385 * doc/invoke.texi (-fsanitize=address): Fix wording describing
19386 clash with -fsanitize=hwaddress.
19388 2021-01-04 Richard Biener <rguenther@suse.de>
19390 PR tree-optimization/98282
19391 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
19392 invariants as VN_NARY.
19394 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
19397 * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
19398 aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
19399 to handle zero operands.
19401 2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
19403 * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
19404 (offset_6bit_unsigned_scaled_p): Fix typo in comment.
19405 (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
19408 2021-01-04 Richard Biener <rguenther@suse.de>
19410 PR tree-optimization/98393
19411 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
19412 when hitting the limit.
19414 2021-01-04 Richard Biener <rguenther@suse.de>
19416 PR tree-optimization/98291
19417 * tree-vect-loop.c (vectorizable_reduction): Bypass
19418 associativity check for SLP reductions with VF 1.
19420 2021-01-04 Jakub Jelinek <jakub@redhat.com>
19422 PR tree-optimization/96782
19423 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
19425 2021-01-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
19427 * collect-utils.c (collect_execute): Check dumppfx.
19428 * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
19429 to collect_execute.
19430 (do_link): Add new parameter atsuffix.
19431 (main): Handle -dumpdir option. Skip one argument for
19432 -o, -isystem and -B options.
19433 * gcc.c (make_at_file): New helper function.
19434 (close_at_file): Use it.
19436 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19438 * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
19439 Amend handling for LD64_VERSION fallback defaults.
19441 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19443 * config.gcc: Compute default version information
19444 from the configured target. Likewise defaults for
19446 * config/darwin10.h: Removed.
19447 * config/darwin12.h: Removed.
19448 * config/darwin9.h: Removed.
19449 * config/rs6000/darwin8.h: Removed.
19451 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19453 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
19455 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19457 * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
19458 * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
19460 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19462 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
19464 * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
19466 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19468 * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
19469 for the Darwin10 unwinder stub from here ...
19470 * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
19472 2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
19474 * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
19475 (ASM_DEBUG_SPEC):Only define if the assembler supports
19477 (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
19478 (DARWIN_PREFER_DWARF): Define.
19479 * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
19480 (DARWIN_PREFER_DWARF): Likewise
19481 (DSYMUTIL_SPEC): Likewise.
19482 (COLLECT_RUN_DSYMUTIL): Likewise.
19483 (ASM_DEBUG_SPEC): Likewise.
19484 (ASM_DEBUG_OPTION_SPEC): Likewise.
19486 2021-01-02 Jan Hubicka <jh@suse.cz>
19488 * cfg.c (free_block): ggc_free bb.
19490 2021-01-01 Jakub Jelinek <jakub@redhat.com>
19492 * gcc.c (process_command): Update copyright notice dates.
19493 * gcov-dump.c (print_version): Ditto.
19494 * gcov.c (print_version): Ditto.
19495 * gcov-tool.c (print_version): Ditto.
19496 * gengtype.c (create_file): Ditto.
19497 * doc/cpp.texi: Bump @copying's copyright year.
19498 * doc/cppinternals.texi: Ditto.
19499 * doc/gcc.texi: Ditto.
19500 * doc/gccint.texi: Ditto.
19501 * doc/gcov.texi: Ditto.
19502 * doc/install.texi: Ditto.
19503 * doc/invoke.texi: Ditto.
19505 2021-01-01 Jakub Jelinek <jakub@redhat.com>
19507 * ChangeLog-2020: Rotate ChangeLog. New file.
19510 Copyright (C) 2021 Free Software Foundation, Inc.
19512 Copying and distribution of this file, with or without modification,
19513 are permitted in any medium without royalty provided the copyright
19514 notice and this notice are preserved.