gcc/ChangeLog

   1 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
   2
   3         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
   4         (vsx_extract_<mode>_var): Ditto.
   5
   6 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
   7
   8         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
   9         with just "wa".
  10
  11 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  12
  13         * config/rs6000/constraints.md (define_register_constraint "ww"):
  14         Delete.
  15         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  16         (rs6000_init_hard_regno_mode_ok): Adjust.
  17         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  18         RS6000_CONSTRAINT_ww.
  19         * config/rs6000/rs6000.md: Adjust.
  20         * config/rs6000/vsx.md: Adjust.
  21         * doc/md.texi (Machine Constraints): Adjust.
  22
  23 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  24
  25         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
  26         (define_mode_attr sd): New.
  27         (define_mode_attr s): New.
  28         (define_mode_attr Ftrad): Delete.
  29         (define_mode_attr Fvsx): Delete.
  30         (define_mode_attr Fs): Delete.
  31         (rest of file): Use the new mode attributes.
  32         * config.rs6000/vsx.md: Use the new mode attributes.
  33
  34 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  35
  36         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
  37         with just "wa".
  38
  39 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  40
  41         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
  42         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
  43         used with VSX_B, VSX_D, or VSX_F, with just "wa".
  44
  45 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
  46
  47         PR target/78263
  48         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
  49         C++ with strict ANSI requirements.
  50
  51 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
  52
  53         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
  54         computations when step is 1.
  55
  56 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  57
  58         * config/rs6000/constraints.md (define_register_constraint "wf"):
  59         Delete.
  60         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  61         (rs6000_init_hard_regno_mode_ok): Adjust.
  62         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  63         RS6000_CONSTRAINT_wf.
  64         * config/rs6000/rs6000.md: Adjust.
  65         * config/rs6000/vsx.md: Adjust.
  66         * doc/md.texi (Machine Constraints): Adjust.
  67
  68 2019-06-04  Andrew Pinski  <apinski@marvell.com>
  69
  70         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
  71         Fix ILP32 value.
  72
  73 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  74
  75         * config/rs6000/constraints.md (define_register_constraint "wd"):
  76         Delete.
  77         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  78         (rs6000_init_hard_regno_mode_ok): Adjust.
  79         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  80         RS6000_CONSTRAINT_wd.
  81         * config/rs6000/rs6000.md: Adjust.
  82         * config/rs6000/vsx.md: Adjust.
  83         * doc/md.texi (Machine Constraints): Adjust.
  84
  85 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  86
  87         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
  88         (rest of file): Adjust.
  89
  90 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  91
  92         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
  93         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
  94         (vsx_splat_<mode>_reg): Adjust.
  95
  96 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  97
  98         * config/rs6000/constraints.md (define_register_constraint "ws"):
  99         Delete.
 100         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 101         (rs6000_init_hard_regno_mode_ok): Adjust.
 102         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 103         RS6000_CONSTRAINT_ws.
 104         * config/rs6000/rs6000.md: Adjust.
 105         * config/rs6000/vsx.md: Adjust.
 106         * doc/md.texi (Machine Constraints): Adjust.
 107
 108 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 109
 110         * config/rs6000/constraints.md (define_register_constraint "wv"):
 111         Delete.
 112         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 113         (rs6000_init_hard_regno_mode_ok): Adjust.
 114         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 115         RS6000_CONSTRAINT_wv.
 116         * config/rs6000/rs6000.md: Adjust.
 117         * config/rs6000/vsx.md: Adjust.
 118         * doc/md.texi (Machine Constraints): Adjust.
 119
 120 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 121
 122         * config/rs6000/constraints.md (define_register_constraint "wi"):
 123         Delete.
 124         (define_register_constraint "wt"): Delete.
 125         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 126         (rs6000_init_hard_regno_mode_ok): Adjust.
 127         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 128         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 129         * config/rs6000/rs6000.md: Adjust.
 130         * config/rs6000/vsx.md: Adjust.
 131         * doc/md.texi (Machine Constraints): Adjust.
 132
 133 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 134
 135         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 136         const.
 137         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 138         default_elf_asm_output_external.
 139
 140 2019-06-04  Martin Liska  <mliska@suse.cz>
 141
 142         * ipa-icf.c (INCLUDE_LIST): Remove.
 143         (sem_item_optimizer::execute): Remove call to init_wpa.
 144         * ipa-icf.h (init_wpa): Remove.
 145
 146 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 147
 148         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 149         conditional on combined for simd.
 150         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 151         member.
 152         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 153         constructs, don't remove lastprivate_conditional_map, but instead set
 154         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 155         to parent construct temporaries.
 156         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 157         like !ctx->lastprivate_conditional_map.
 158         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 159         use up->outer context instead of up.
 160         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 161         gimple_omp_for_combined_p.
 162         (expand_omp_for_static_nochunk): Likewise.
 163         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 164         probably moved over into expand_omp_for_generic rather than being copied
 165         there.
 166
 167 2019-06-04  Martin Liska  <mliska@suse.cz>
 168
 169         * value-prof.c (dump_histogram_value): Fix typo.
 170         (gimple_mod_subtract_transform): Likewise.
 171
 172 2019-06-04  Richard Biener  <rguenther@suse.de>
 173
 174         PR middle-end/90726
 175         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 176         (tree_contains_chrecs): Likewise.
 177         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 178         exponential behaivor from ...
 179         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 180         ... here.
 181         (expression_expensive_p): Avoid exponential behavior and compute
 182         expanded size, rejecting any expansion.
 183         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 184         (idx_contains_abnormal_ssa_name_p): Likewise.
 185         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 186         (contains_abnormal_ssa_name_p): Simplify and use
 187         walk_tree_without_duplicates.
 188
 189 2019-06-04  Richard Biener  <rguenther@suse.de>
 190
 191         PR tree-optimization/90738
 192         Revert
 193         2019-06-03  Richard Biener  <rguenther@suse.de>
 194
 195         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 196         full reference tree and record in ref->ref.
 197         (vn_reference_lookup_3): Pass in original ref to
 198         ao_ref_init_from_vn_reference.
 199         (vn_reference_lookup): Likewise.
 200         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 201         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 202         Handle non-decl bases in the original reference.
 203
 204 2019-06-04  Martin Liska  <mliska@suse.cz>
 205
 206         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 207         number of references.
 208         (sem_item_optimizer::do_congruence_step):
 209         (sem_item_optimizer::worklist_push): Dump how references
 210         a class has.
 211         (sem_item_optimizer::worklist_pop): Use heap.
 212         (sem_item_optimizer::process_cong_reduction): Likewise.
 213         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 214
 215 2019-06-04  Martin Liska  <mliska@suse.cz>
 216
 217         * ipa-icf.h (struct sem_usage_pair_hash): New.
 218         (sem_usage_pair_hash::hash): Likewise.
 219         (sem_usage_pair_hash::equal): Likewise.
 220         (struct sem_usage_hash): Likewise.
 221         * ipa-icf.c (sem_item::sem_item): Initialize
 222         referenced_by_count.
 223         (sem_item::add_reference): Register a reference
 224         in ref_map and not in target->usages.
 225         (sem_item::setup): Remove initialization of
 226         dead vectors.
 227         (sem_item::~sem_item): Remove usage of dead vectors.
 228         (sem_item::dump): Remove dump of references.
 229         (sem_item_optimizer::sem_item_optimizer): Initialize
 230         m_references.
 231         (sem_item_optimizer::read_section): Remove useless
 232         dump.
 233         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 234         (sem_item_optimizer::build_graph): Pass m_references
 235         to ::add_reference.
 236         (sem_item_optimizer::verify_classes): Remove usage of dead
 237         vectors.
 238         (sem_item_optimizer::traverse_congruence_split): Return true
 239         when a class is split.
 240         (sem_item_optimizer::do_congruence_step_for_index): Use
 241         hash_map for look up of (sem_item *, index). That brings
 242         significant speed up.
 243         (sem_item_optimizer::do_congruence_step): Return true
 244         when a split is done.
 245         (congruence_class::is_class_used): Use referenced_by_count.
 246
 247 2019-06-04  Alan Modra  <amodra@gmail.com>
 248
 249         PR target/90689
 250         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 251         error.
 252
 253 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 254
 255         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 256         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 257         (rs6000_secondary_reload_simple_move): Adjust.
 258         (rs6000_opt_masks): Neuter the "mfpgpr" option.
 259         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
 260         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
 261         comment.
 262         (power6x): Adjust.
 263         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
 264         (floatunssi<mode>2_lfiwzx): Adjust.
 265         (fix_trunc<mode>si2_stfiwx): Adjust.
 266         (fixuns_trunc<mode>si2_stfiwx): Adjust.
 267         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
 268         (mfpgpr): Mark as deprecated.
 269         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
 270         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
 271         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
 272
 273 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 274
 275         * config/rs6000/constraints.md (define_register_constraint "wg"):
 276         Delete.
 277         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 278         RS6000_CONSTRAINT_wg.
 279         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 280         (rs6000_init_hard_regno_mode_ok): Adjust.
 281         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
 282         Delete "wg" alternatives.
 283         * doc/md.texi (Machine Constraints): Adjust.
 284
 285 2019-06-03  Alan Modra  <amodra@gmail.com>
 286
 287         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
 288         (get_uncond_jump_length): Assert length less than INT_MAX and
 289         non-negative.
 290
 291 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 292
 293         PR middle-end/64242
 294         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
 295         block.
 296         (expand_builtin_nonlocal_goto): Likewise.
 297
 298 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 299
 300         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
 301         (aarch64_asm_output_external): Declare.
 302         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
 303         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
 304         (aarch64_asm_output_alias): New.
 305         (aarch64_asm_output_external): New.
 306         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
 307         (ASM_OUTPUT_EXTERNAL): Define.
 308
 309 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
 310         * tree-vrp.h (value_range_base::nonzero_p): New.
 311         (value_range_base::set_nonnull): Rename to...
 312         (value_range_base::set_nonzero): ...this.
 313         (value_range_base::set_null): Rename to...
 314         (value_range_base::set_zero): ...this.
 315         (value_range::set_nonnull): Remove.
 316         (value_range::set_null): Remove.
 317         * tree-vrp.c (range_is_null): Remove.
 318         (range_is_nonnull): Remove.
 319         (extract_range_from_binary_expr): Use value_range_base::*zero_p
 320         instead of range_is_*null.
 321         (extract_range_from_unary_expr): Same.
 322         (value_range_base::set_nonnull): Rename to...
 323         (value_range_base::set_nonzero): ...this.
 324         (value_range::set_nonnull): Remove.
 325         (value_range_base::set_null): Rename to...
 326         (value_range_base::set_zero): ...this.
 327         (value_range::set_null): Remove.
 328         (extract_range_from_binary_expr): Rename set_*null uses to
 329         set_*zero.
 330         (extract_range_from_unary_expr): Same.
 331         (union_helper): Same.
 332         * vr-values.c (get_value_range): Use set_*zero instead of
 333         set_*null.
 334         (vr_values::extract_range_from_binary_expr): Same.
 335         (vr_values::extract_range_basic): Same.
 336
 337 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 338
 339         PR driver/90684
 340         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
 341
 342 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 343
 344         * config/aarch64/iterators.md (MAX_OPP): New code attr.
 345         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
 346         (aarch64_<su>abd<mode>_3): ... This.
 347         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
 348
 349 2019-06-03  Richard Biener  <rguenther@suse.de>
 350
 351         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 352         full reference tree and record in ref->ref.
 353         (vn_reference_lookup_3): Pass in original ref to
 354         ao_ref_init_from_vn_reference.
 355         (vn_reference_lookup): Likewise.
 356         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 357         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 358         Handle non-decl bases in the original reference.
 359
 360 2019-06-03  Martin Liska  <mliska@suse.cz>
 361
 362         * doc/generic.texi: Remove Java Trees.
 363
 364 2019-06-03  Martin Liska  <mliska@suse.cz>
 365
 366         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
 367         returns 0 when operands are equal.
 368
 369 2019-06-03  Richard Biener  <rguenther@suse.de>
 370
 371         PR tree-optimization/90716
 372         * tree-loop-distribution.c (destroy_loop): Process blocks in
 373         correct order.
 374
 375 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 376
 377         PR target/88837
 378         * vector-builder.h (vector_builder::count_dups): New method.
 379         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
 380         Declare prototype.
 381         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
 382         (vec_init<mode><Vel>): New pattern.
 383         * config/aarch64/aarch64.c (emit_insr): New function.
 384         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
 385         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
 386         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
 387         (aarch64_sve_expand_vector_init): Define two overloaded functions.
 388
 389 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 390
 391         PR tree-optimization/90681
 392         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
 393         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
 394         special case for SLP, but fail on non-groupped loads.
 395
 396 2019-06-03  Martin Liska  <mliska@suse.cz>
 397
 398         * cfg.c (debug): Use TDF_DETAILS for debug and
 399         print edge info only once.
 400
 401 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 402
 403         PR fortran/90539
 404         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
 405
 406 2019-06-01  Martin Sebor  <msebor@redhat.com>
 407
 408         PR middle-end/90694
 409         * tree-pretty-print.c (dump_generic_node): Add parentheses.
 410
 411 2019-05-31  Jan Hubicka  <jh@suse.cz>
 412
 413         * alias.c: Include ipa-utils.h.
 414         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
 415         * ipa-devirt.c (prevailing_odr_type): New.
 416         * ipa-utils.h (previaling_odr_type): Declare.
 417
 418 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 419             Hongtao Liu  <hongtao.liu@intel.com>
 420
 421         PR target/89355
 422         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
 423         NOTE_INSN_DELETED_LABEL check.
 424
 425 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
 426             Robert Suchanek  <robert.suchanek@mips.com>
 427
 428         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
 429         and 3rd operands of the fmadd/fmsub/maddv builtin.
 430
 431 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 432
 433         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
 434         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 435         on OMP_SIMD if not nested inside of worksharing loop that also has
 436         lastprivate conditional clause for the same decl.
 437         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
 438         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
 439         on simd.
 440         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
 441         on simd construct.
 442         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
 443         on simd construct.
 444         (lower_lastprivate_clauses): Likewise.
 445         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
 446         calling lower_rec_input_clauses.
 447         (lower_omp_for): Likewise.
 448         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
 449         clause on simd construct.
 450         * omp-expand.c (expand_omp_simd): Initialize cond_var if
 451         OMP_CLAUSE__CONDTEMP_ clause is present.
 452
 453         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
 454         ivar and lvar.
 455
 456 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 457
 458         PR c/43673
 459         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
 460         TEX_D32, TEX_D64 or TEX_D128.
 461
 462 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 463
 464         * match.pd (~(vec?cst1:cst2)): New transformation.
 465
 466 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 467
 468         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
 469         ((size_t)(A /[ex] B) CMP C): New transformation.
 470
 471 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
 472
 473         * doc/md.texi: Document define_insn_and_rewrite.
 474         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 475         * gensupport.c (queue_elem): Update comment.
 476         (replace_operands_with_dups): New function.
 477         (gen_rewrite_sequence): Likewise.
 478         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 479         * read-rtl.c (apply_subst_iterator): Likewise.
 480         (add_condition_to_rtx, named_rtx_p): Likewise.
 481         (rtx_reader::read_rtx_operand): Likewise.
 482         * config/aarch64/aarch64-sve.md
 483         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 484         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 485         define_insn_and_rewrite.
 486         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 487         Remove separate define_split.
 488
 489 2019-05-31  Jan Hubicka  <jh@suse.cz>
 490
 491         * tree-ssa-alias.c (type_has_components_p): New function.
 492         (aliasing_component_refs_p): Use it.
 493
 494 2019-05-31  Martin Liska  <mliska@suse.cz>
 495
 496         * gdbhooks.py: Add const_tree to TreePrinter.
 497
 498 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 499
 500         PR debug/86964
 501         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 502         * doc/invoke.texi (Debugging Options): Document new default of
 503         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 504
 505 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 506
 507         PR tree-optimization/90671
 508         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 509         template_block used to be empty on the first call, don't use
 510         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 511         seq with bb_seq and set it with set_bb_seq.
 512
 513 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 514
 515         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 516
 517 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 518             Michael Meissner  <meissner@linux.ibm.com>
 519
 520         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 521         (prefixed_mem_operand): Likewise.
 522         (non_prefixed_mem_operand): Likewise.
 523         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 524         prototype.
 525         * config/rs6000/rs6000.c (print_operand_address): Handle
 526         PC-relative addresses.
 527         (mode_supports_prefixed_address_p): New function.
 528         (rs6000_prefixed_address): New function.
 529         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 530         (SYMBOL_REF_PCREL_P): Likewise.
 531
 532 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 533
 534         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 535         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 536         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 537         is nested inside of parallel region, add _condtemp_ clause to both.
 538         * tree-nested.c (convert_nonlocal_omp_clauses,
 539         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 540         assertion failure.
 541         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 542         member.
 543         * omp-general.c (omp_extract_for_data): Compute it.
 544         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 545         (lower_rec_input_clauses): Likewise.
 546         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 547         clause is already present, just add one further one after it.
 548         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 549         (lower_send_shared_vars): Clear _condtemp_ vars.
 550         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 551         or section or taskgroup.
 552         * omp-expand.c (determine_parallel_type): Disallow combining only if
 553         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 554         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 555         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 556         expand_omp_for_static_chunk, expand_omp_for): Use
 557         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 558         determine if a special set of API routines are needed and if condtemp
 559         needs to be initialized, while always initialize cond_var if
 560         fd->lastprivate_conditional is non-zero.
 561
 562 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 563             Michael Meissner  <meissner@linux.ibm.com>
 564
 565         * config/rs6000/constraints.md (eI): New constraint.
 566         * config/rs6000/predicates.md (cint34_operand): New predicate.
 567         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 568         (SIGNED_34BIT_OFFSET_P): Likewise.
 569         * doc/md.texi (eI): Document constraint.
 570
 571 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 572
 573         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 574
 575 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 576             Michael Meissner  <meissner@linux.ibm.com>
 577
 578         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 579         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 580         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 581         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 582         (OTHER_FUTURE_MASKS): Likewise.
 583         (POWERPC_MASKS): Likewise.
 584         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 585         specified without -mprefixed-addr or -mcpu=future.  Error if
 586         -mprefixed-addr is specified without -mcpu=future.
 587         (rs6000_opt_masks): Add entry for prefixed-addr.
 588         * rs6000.opt (mprefixed-addr): New option.
 589
 590 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 591
 592         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 593         cfun->is_thunk check.
 594
 595 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 596
 597         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 598         to length.
 599
 600 2019-05-30  Martin Liska  <mliska@suse.cz>
 601
 602         * gdbinit.in: Fix 'ptc' command.  Add trt
 603         that prints TREE_TYPE($).
 604
 605 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 606             Alan Modra  <amodra@gmail.com>
 607
 608         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 609         calls here...
 610         (rs6000_indirect_call_template_1): ...and here.
 611         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 612         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 613         rs6000_pltseq_enum.
 614         (rs6000_decl_ok_for_sibcall): New function.
 615         (rs6000_function_ok_for_sibcall): Refactor.
 616         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 617         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 618         when pcrel.  Reorganize.
 619         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 620         * rs6000.h (rs6000_pltseq_enum): New enum.
 621         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 622         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 623         (*pltseq_plt16_ha): Likewise.
 624         (*pltseq_plt16_lo): Likewise.
 625         (*pltseq_mtctr): Likewise.
 626         (*pltseq_plt_pcrel): New insn.
 627         (*call_local_aix): Handle @notoc calls.
 628         (*call_value_local_aix): Likewise.
 629         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 630         (*call_value_nonlocal_aix): Likewise.
 631         (*call_indirect_pcrel): New insn.
 632         (*call_value_indirect_pcrel): Likewise.
 633
 634
 635 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 636
 637         * config/i386/sse.md (*save_multiple<mode>): Rename from
 638         save_multiple<mode>.
 639         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 640         (*restore_multiple_and_return<mode>): Rename from
 641         restore_multiple_and_return<mode>.
 642         (*restore_multiple_leave_return<mode>): Rename from
 643         restore_multiple_leave_return<mode>.
 644
 645 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 646
 647         * config.gcc (rx-*-linux*): New target.
 648         * config/rx/elf.opt: New file.
 649         * config/rx/linux.h: Likewise.
 650         * config/rx/t-linux: Likewise.
 651         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 652         make it zero.
 653         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 654         (ASM_APP_OFF): Likewise.
 655         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 656         moved elsewhere.
 657
 658 2019-05-29  Jan Hubicka  <jh@suse.cz>
 659
 660         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 661         variants are pointer equivalent.
 662
 663 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 664
 665         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 666         * config/aarch64/aarch64-sve2.md: New file.
 667         (<u>avg<mode>3_floor): New pattern.
 668         (<u>avg<mode>3_ceil): Likewise.
 669         (*<sur>h<addsub><mode>): Likewise.
 670         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 671         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 672
 673 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 674
 675         PR bootstrap/90543
 676         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 677         for var_opt_string printing.  In cl_optimization_print_diff, print
 678         (null) instead of invoking undefined behavior if one of the
 679         var_opt_string pointers is NULL and use && instead of first || in the
 680         guarding condition.  For var_target_other options, handle const char *
 681         target variables similarly to const char * optimize node variables.
 682
 683 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 684
 685         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 686         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 687         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 688         Add autib1716 and pacib1716 initialisation.
 689         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 690         for autib1716 and pacib1716.
 691         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 692         aarch64_post_cfi_startproc): Define.
 693         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 694         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 695         aarch64_handle_pac_ret_protection): Set default sign key to A.
 696         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 697         aarch64_expand_prologue): Add check for b-key.
 698         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 699         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 700         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 701         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 702         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 703         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 704         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 705         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 706         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 707         pauth_hint_num_a with pauth_hint_num.
 708         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 709         pauth_hint_num_a with pauth_hint_num.
 710         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 711         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 712         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 713         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 714         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 715         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 716         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 717         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 718         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 719         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 720         UNSPEC_AUTIA1716 respectively.
 721         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 722         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 723         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 724         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 725         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 726
 727 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 728
 729         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 730         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 731         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 732         explicit clause on combined parallel into implicit shared clause.
 733         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 734         and firstprivate if the decl has one too from combined parallel to
 735         the worksharing construct.
 736
 737 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 738             Michael Meissner  <meissner@linux.ibm.com>
 739
 740         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 741
 742 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 743
 744         * rtl.h (LABEL_REF_P): New #define.
 745
 746 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 747
 748         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 749
 750 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 751
 752         * internal-fn.c: Marked mask_load_direct as vectorizable.
 753         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 754         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 755         combined even if masks different with allow_slp_p param.
 756         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 757         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 758         dissolve SLP-only vectorizable groups when SLP has been discarded.
 759         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 760         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 761         masks.
 762         (vect_build_slp_tree_1): Fixed comment typo.
 763         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 764         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 765         loads for SLP only.
 766         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 767         vectorizable.
 768         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 769
 770 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 771
 772         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 773         Remove obsolete use_thunk reference.
 774         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 775         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 776         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 777         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 778         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 779         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 780         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 781         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 782         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 783
 784 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 785
 786         * tree.h (IDENTIFIER_ANON_P): New.
 787         (anon_aggrname_format, anon_aggname_p): Don't declare.
 788         (make_anon_name): Declare.
 789         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 790         (hash_tree): Likewise.
 791         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 792         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 793         (anon_cnt, make_anon_name): New.
 794
 795 2019-05-28  Martin Liska  <mliska@suse.cz>
 796
 797         PR other/90315
 798         * opts-global.c (decode_options): Print help for all
 799         help_option_arguments.
 800         * opts.c (print_help): Add new argument.
 801         (common_handle_option): Remember all values into
 802         help_option_arguments.
 803         * opts.h (print_help): Add new argument.
 804
 805 2019-05-28  Martin Liska  <mliska@suse.cz>
 806
 807         PR ipa/90555
 808         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 809         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 810         (func_checker::compare_bb): Call compare_loops.
 811
 812 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 813
 814         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 815         on sections construct.
 816         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 817         construct.
 818         (lower_omp_sections): Handle lastprivate conditional.
 819         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 820         lastprivate_conditional_map.
 821         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 822
 823         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 824         critical, taskgroup and section regions when looking for a region
 825         with non-NULL lastprivate_conditional_map.
 826
 827 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 828
 829         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 830         (*ix86_gen_sub3): Ditto.
 831         (*ix86_gen_sub3_carry): Ditto.
 832         (*ix86_gen_one_cmpl2): Ditto.
 833         (*ix86_gen_andsp): Ditto.
 834         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 835         (gen_and2_insn): New static function.
 836         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 837         Use gen_add3_insn instead of ix86_gen_add3.
 838         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 839         instead of ix86_gen_add3.
 840         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 841         Use gen_sub3_insn instead of ix86_gen_sub3.
 842         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 843         instead of ix86_gen_add3.
 844         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 845         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 846         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 847         * config/i386/i386-options.c (ix86_option_override_internal):
 848         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 849         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 850
 851 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 852
 853         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 854         and DW_OP_GNU_const_index opcodes.
 855
 856 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 857
 858         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 859
 860 2019-05-27  Richard Biener  <rguenther@suse.de>
 861
 862         PR tree-optimization/90637
 863         * tree-ssa-sink.c (statement_sink_location): Honor the
 864         computed sink location for single-uses.
 865
 866 2019-05-27  Richard Biener  <rguenther@suse.de>
 867
 868         PR middle-end/90610
 869         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 870         a bit-insert.
 871
 872 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 873
 874         * config/i386/i386.md (@sub<mode>3_carry): Rename
 875         from sub<mode>3_carry.
 876         (@leave_<mode>): New expander.
 877         (*leave): Rename from leave.
 878         (*leave_rex64): Rename from leave_rex64.
 879         (@monitorx_<mode>): Rename from monitorx_<mode>.
 880         (@clzero_<mode>): Rename from clzero_<mode>.
 881         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 882         from sse3_monitor_<mode>.
 883         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 884         (*ix86_gen_leave): Ditto.
 885         (*ix86_gen_monitor): Ditto.
 886         (*ix86_gen_monitorx): Ditto.
 887         (*ix86_gen_clzero): Ditto.
 888         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 889         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 890         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 891         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 892         Use gen_sse3_monitor instead of ix86_gen_monitor.
 893         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 894         instead of ix86_gen_monitorx.
 895         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 896         instead of ix86_gen_clzero.
 897         * config/i386/i386-options.c (ix86_option_override_internal):
 898         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 899         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 900
 901 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 902
 903         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 904         Rename from tls_global_dynamic_64_<mode>.
 905         (@tls_local_dynamic_base_64_<mode>): Rename from
 906         tls_local_dynamic_base_64_<mode>.
 907         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 908         Remove indirect function.
 909         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 910         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 911         instead of ix86_gen_tls_global_dynamic_64.
 912         Use gen_tls_local_dynamic_base_64 instead of
 913         ix86_gen_tls_local_dynamic_base_64.
 914         * config/i386/i386-options.c (ix86_option_override_internal):
 915         Do not initialize ix86_gen_tls_global_dynamic_64 and
 916         ix86_gen_tls_local_dynamic_base_64.
 917
 918 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 919
 920         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 921         Rename from pro_epilogue_adjust_stack_<mode>_add.
 922         (@pro_epilogue_adjust_stack_sub_<mode>)
 923         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 924         (@allocate_stack_worker_probe_<mode>):
 925         Rename from allocate_stack_worker_probe_<mode>.
 926         (allocate_stack): Use gen_allocate_stack_worker_probe.
 927         (probe_stack): Use gen_probe_stack_1.
 928         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 929         (@adjust_stack_and_probe_<mode>): Rename from
 930         adjust_stack_and_probe<mode>.
 931         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 932         (stack_protect_set): Use gen_stack_protect_set_1.
 933         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 934         (stack_protect_test): Use gen_stack_protect_test_1.
 935         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 936         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 937         Remove indirect function.
 938         (*ix86_gen_adjust_stack_and_probe): Ditto.
 939         (*ix86_gen_probe_stack_range): Ditto.
 940         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 941         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 942         (ix86_adjust_stack_and_probe_stack_clash): Use
 943         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 944         (ix86_adjust_stack_and_probe): Ditto.
 945         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 946         of ix86_gen_probe_stack_range.
 947         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 948         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 949         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 950         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 951         CODE_FOR_stack_protect_test_{si,di}.
 952         * config/i386/i386-options.c (ix86_option_override_internal):
 953         Do not initialize ix86_gen_allocate_stack_worker,
 954         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 955
 956 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 957
 958         * doc/invoke.texi (Link Options): Many editorial changes around
 959         -flinker-output.
 960
 961 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 962
 963         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 964         pre-Solaris 11 referene and most Studio compiler details.
 965
 966 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 967
 968         PR target/90530
 969         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 970         DImode to SImode in floating-point registers on 64-bit target.
 971         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 972         register_operand in xmpyu patterns.
 973
 974 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 975
 976         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 977         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 978         OMP_CLAUSE__REDUCTEMP_.
 979         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 980         OMP_CLAUSE__CONDTEMP_.
 981         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 982         * tree-pretty-print.c (dump_omp_clause): Likewise.
 983         * tree-nested.c (convert_nonlocal_omp_clauses,
 984         convert_local_omp_clauses): Likewise.
 985         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 986         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 987         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 988         on OMP_FOR.
 989         (gimplify_omp_for): Warn and disable conditional modifier from
 990         lastprivate on loop iterators.
 991         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 992         member.
 993         * omp-general.c (omp_extract_for_data): Initialize it.
 994         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 995         member.
 996         (delete_omp_context): Delete it.
 997         (lower_lastprivate_conditional_clauses): New function.
 998         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 999         handle lastprivate conditional clauses.
1000         (lower_reduction_clauses): Add CLIST argument, emit it into
1001         the critical section if any.
1002         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1003         lower_reduction_clauses callers.
1004         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1005         to lower_lastprivate_clauses.
1006         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1007         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1008         clist into a critical section if not emitted there already by
1009         lower_reduction_clauses.
1010         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1011         callers.
1012         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1013         conditional variables.
1014         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1015         clause is present.
1016         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1017         expand_omp_for_static_chunk): Handle lastprivate conditional.
1018         (expand_omp_for): Handle fd.lastprivate_conditional like
1019         fd.have_reductemp.
1020
1021 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1022
1023         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1024         kernel does not exit cleanly.
1025         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1026
1027 2019-05-24  Jason Merrill  <jason@redhat.com>
1028
1029         Revert:
1030         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1031
1032 2019-05-24  Richard Biener  <rguenther@suse.de>
1033
1034         PR testsuite/90607
1035         * tree-loop-distribution.c (struct partition): Add location
1036         member.
1037         (partition_alloc): Initialize all fields.
1038         (generate_memset_builtin): Use the location recorded in the
1039         partition for the generated call.
1040         (generate_memcpy_builtin): Likewise.
1041         (classify_partition): Record the location of a single store
1042         as location for the partition.
1043
1044 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1045
1046         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1047         for lo-part.
1048
1049 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1050
1051         PR target/90588
1052         * common/config/aarch64/aarch64-common.c
1053         (aarch64_rewrite_selected_cpu): Change local temporary variable
1054         type from unsigned long to uint64_t.
1055         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1056         aarch64_get_extension_string_for_isa_flags): Change declaration to
1057         match new definition by replacing unsigned long with uint64_t.
1058
1059 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1060
1061         PR target/90568
1062         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1063         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1064         Handle stack_protect_test_<mode> codegen similarly to corresponding
1065         sub instruction.
1066
1067 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1068
1069        * config/i386/darwin.h: Reject -mfentry*.
1070        * doc/sourcebuild.texi: Document mfentry target support.
1071
1072 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1073
1074         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1075         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1076         false for PC-relative functions.
1077         (rs6000_output_function_prologue): Change called function name to
1078         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1079         name,1" for PC-relative functions.
1080         (rs6000_elf_declare_function_name): Change called function name to
1081         rs6000_global_entry_point_prologue_needed_p.
1082
1083 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1084
1085         PR target/90552
1086         * config/i386/i386.c (gen_rtx_cost):
1087         Use ix86_tune_cost instead of ix86_cost.
1088
1089 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1090             Michael Meissner  <meissner@linux.ibm.com>
1091             Segher Boessenkool  <segher@kernel.crashing.org>
1092
1093         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1094         OPTION_MASK_PCREL.
1095         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1096         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1097         (rs6000_fndecl_pcrel_p): Likewise.
1098         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1099         error if -mpcrel is requested without -mcpu=future.
1100         (rs6000_opt_masks): Add entry for pcrel.
1101         (rs6000_fndecl_pcrel_p): New function.
1102         (rs6000_pcrel_p): Likewise.
1103         * config/rs6000/rs6000.opt (mpcrel): New option.
1104         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1105
1106 2019-05-23  Jan Hubicka  <jh@suse.cz>
1107             Martin Liska  <mliska@suse.cz>
1108
1109         PR tree-optimization/90576
1110         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1111         poly_int_tree_p.
1112         (aliasing_component_refs_p): Fix three way size compare conditional;
1113         give up earlier in case we can not decide on equivalence.
1114
1115 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1116             Michael Meissner  <meissner@linux.ibm.com>
1117             Segher Boessenkool  <segher@kernel.crashing.org>
1118
1119         * config.gcc: Add future cpu.
1120         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1121         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1122         #define.
1123         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1124         (RS6000_CPU): New instantiation for future cpu.
1125         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1126         PROCESSOR_FUTURE.
1127         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1128         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1129         * config/rs6000/rs6000-tables.opt: Regenerate.
1130         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1131         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1132         (rs6000_machine_from_flags): Handle future cpu.
1133         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1134         PROCESSOR_POWER9 for now.
1135         (rs6000_adjust_cost): Likewise.
1136         (rs6000_issue_rate): Likewise.
1137         (rs6000_register_move_cost): Likewise.
1138         (rs6000_opt_masks): Add entry for future.
1139         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1140         (MASK_FUTURE): New #define.
1141         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1142         * config/rs6000/rs6000.opt (mfuture): New target option.
1143         * doc/invoke.texi (mcpu): Add future cpu.
1144
1145 2019-05-23  Martin Liska  <mliska@suse.cz>
1146
1147         PR c++/90587
1148         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1149         operation points to a temporary (pointed via tree_to_wide_ref)
1150         that is out of scope after the &.
1151
1152 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1153
1154         PR c++/90592
1155         * doc/extend.texi (Function Names): Add missing word.
1156
1157 2019-05-23  Richard Biener  <rguenther@suse.de>
1158
1159         PR tree-optimization/88440
1160         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1161         at -O[2s]+.
1162         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1163         generated call.
1164         (generate_memcpy_builtin): Likewise.
1165         (distribute_loop): Pass in whether to only distribute patterns.
1166         (prepare_perfect_loop_nest): Also allow size optimization.
1167         (pass_loop_distribution::execute): When optimizing a loop
1168         nest for size allow pattern replacement.
1169
1170 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1171
1172         PR target/90568
1173         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1174         of xor.
1175
1176 2019-05-23  Martin Liska  <mliska@suse.cz>
1177
1178         PR sanitizer/90570
1179         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1180         expression similarly to gimplify_decl_expr.
1181
1182 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1183
1184         * cse.c (cse_dump_path): s/dump_file/f.
1185
1186 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1187
1188         PR c++/90462
1189         * diagnostic-format-json.cc: Include "selftest.h".
1190         (json_from_expanded_location): Only add "file" key for non-NULL
1191         file strings.
1192         (json_from_location_range): Don't add "start" and "finish"
1193         children if they are UNKNOWN_LOCATION.
1194         (selftest::test_unknown_location): New selftest.
1195         (selftest::test_bad_endpoints): New selftest.
1196         (selftest::diagnostic_format_json_cc_tests): New function.
1197         * json.cc (json::object::get): New function.
1198         (selftest::test_object_get): New selftest.
1199         (selftest::json_cc_tests): Call it.
1200         * json.h (json::object::get): New decl.
1201         * selftest-run-tests.c (selftest::run_tests): Call
1202         selftest::diagnostic_format_json_cc_tests.
1203         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1204         decl.
1205
1206 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1207             Andrew Stubbs  <amd@codesourcery.com>
1208
1209         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1210         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1211         (kernel): Rename to...
1212         (main_kernel): ... this.
1213         (load_image): Load _init_array and _fini_array kernels.
1214         (run): Add argument for kernel to run.
1215         (main): Run init_array_kernel before main_kernel, and
1216         fini_array_kernel after.
1217         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1218         amdgpu_hsa_kernel attribute on functions.
1219         (gcn_disable_constructors): Delete.
1220         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1221         * config/gcn/crt0.c (size_t): Define.
1222         (_init_array, _fini_array): New.
1223         (__preinit_array_start, __preinit_array_end,
1224         __init_array_start, __init_array_end,
1225         __fini_array_start, __fini_array_end): Declare weak references.
1226
1227 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1228
1229         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1230
1231 2019-05-22  Jason Merrill  <jason@redhat.com>
1232
1233         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1234
1235 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1236
1237         PR target/88483
1238         * config/i386/i386-options.c (ix86_init_machine_status): Set
1239         stack_frame_required to true.
1240         * config/i386/i386.c (ix86_get_frame_size): New function.
1241         (ix86_frame_pointer_required): Replace get_frame_size with
1242         ix86_get_frame_size.
1243         (ix86_compute_frame_layout): Likewise.
1244         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1245         stack_frame_required.
1246         (ix86_finalize_stack_frame_flags): Always call
1247         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1248         ix86_get_frame_size.
1249         * config/i386/i386.h (machine_function): Add stack_frame_required.
1250
1251 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1252
1253         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1254
1255 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1256
1257         * common/config/aarch64/aarch64-common.c
1258         (struct aarch64_option_extension, struct processor_name_to_arch,
1259         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1260         aarch64_contains_opt,
1261         aarch64_get_extension_string_for_isa_flags): Change type of
1262         variables storing flags to uint64_t.
1263         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1264         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1265         * config/aarch64/aarch64.c (struct processor,
1266         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1267         aarch64_validate_march, aarch64_override_options,
1268         aarch64_option_print, aarch64_handle_attr_isa_flags,
1269         aarch64_declare_function_name, aarch64_start_file): Make flag
1270         variables uint64_t.
1271         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1272         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1273         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1274         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1275         * config/aarch64/driver-aarch64.c
1276         (struct aarch64_arch_extension, struct aarch64_core_data,
1277         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1278         flag variables uint64_t.
1279         * doc/invoke.texi: Add documentation for new arguments.
1280
1281 2019-05-22  Richard Biener  <rguenther@suse.de>
1282
1283         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1284         rewrite ...
1285         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1286
1287 2019-05-22  Martin Liska  <mliska@suse.cz>
1288
1289         PR lto/90500
1290         * doc/extend.texi: Document the change.
1291
1292 2019-05-22  Richard Biener  <rguenther@suse.de>
1293
1294         PR tree-optimization/90450
1295         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1296         (mem_ref_hasher::equal): Check it.
1297         (mem_ref_alloc): Initialize it.
1298         (gather_mem_refs_stmt): Set it.
1299
1300 2019-05-22  Richard Biener  <rguenther@suse.de>
1301
1302         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1303         Add ABS_EXPR.
1304         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1305         as ABSU_EXPR.
1306
1307 2019-05-22  Alan Modra  <amodra@gmail.com>
1308
1309         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1310         (ASM_CPU_SPEC): Conditionally add -many.
1311         * config/rs6000/rs6000.c (rs6000_machine): New static var.
1312         (rs6000_machine_from_flags, emit_asm_machine): New functions..
1313         (rs6000_file_start): ..extracted from here, and modified to
1314         test all ISA bits.
1315         (rs6000_output_function_prologue): Emit .machine as necessary.
1316         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1317         power mnemonics.
1318         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1319         added by check_vect_support_and_set_flags.
1320         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1321         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1322
1323 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
1324
1325         PR middle-end/90553
1326         * ira-lives.c (process_bb_node_lives): Consider defs
1327         for a call insn to be die before the call, not after.
1328
1329         * function.c (assign_parm_setup_block): Raise alignment of
1330         stacked parameter only for STRICT_ALIGNMENT targets.
1331
1332 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1333
1334         * config/rs6000/constraints.md (define_register_constraint "wz"):
1335         Delete.
1336         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1337         RS6000_CONSTRAINT_wz.
1338         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1339         (rs6000_init_hard_regno_mode_ok): Adjust.
1340         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1341         * doc/md.texi (Machine Constraints): Adjust.
1342
1343 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1344
1345         * config/rs6000/constraints.md (define_register_constraint "wl"):
1346         Delete.
1347         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1348         RS6000_CONSTRAINT_wl.
1349         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1350         (rs6000_init_hard_regno_mode_ok): Adjust.
1351         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1352         * doc/md.texi (Machine Constraints): Adjust.
1353
1354 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1355
1356         * config/rs6000/constraints.md (define_register_constraint "wm"):
1357         Delete.
1358         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1359         RS6000_CONSTRAINT_wm.
1360         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1361         (rs6000_init_hard_regno_mode_ok): Adjust.
1362         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1363         * doc/md.texi (Machine Constraints): Adjust.
1364
1365 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1366
1367         * config/rs6000/constraints.md (define_register_constraint "wk"):
1368         Delete.
1369         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1370         RS6000_CONSTRAINT_wk.
1371         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1372         (rs6000_init_hard_regno_mode_ok): Adjust.
1373         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1374         * doc/md.texi (Machine Constraints): Adjust.
1375
1376 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1377
1378         * config/rs6000/constraints.md (define_register_constraint "wj"):
1379         Delete.
1380         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1381         RS6000_CONSTRAINT_wj.
1382         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1383         (rs6000_init_hard_regno_mode_ok): Adjust.
1384         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1385         (VS_64dm): Delete.
1386         * config/rs6000/vsx.md: Ditto.
1387         * doc/md.texi (Machine Constraints): Adjust.
1388
1389 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1390
1391         * config/rs6000/constraints.md (define_register_constraint "wh"):
1392         Delete.
1393         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1394         RS6000_CONSTRAINT_wh.
1395         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1396         (rs6000_init_hard_regno_mode_ok): Adjust.
1397         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1398         * doc/md.texi (Machine Constraints): Adjust.
1399
1400 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1401
1402         PR target/90547
1403         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1404         Avoid calling gen_lowpart with CONST operand.
1405
1406 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1407
1408         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1409         field template_last_to_copy.
1410         (ssa_create_duplicates): Set it, and use it.  Attempt to
1411         preserve more debug stmts.
1412
1413 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1414
1415         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1416         (signbit<mode>2): New expander
1417
1418 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1419
1420         PR bootstrap/87338
1421         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1422         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1423
1424 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1425
1426         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1427         %ebx and %ecx bafore calling cpuid with leaf 1 or
1428         non-constant leaf argument.
1429
1430 2019-05-21  Alan Modra  <amodra@gmail.com>
1431
1432         PR target/90545
1433         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1434         power9 direct move cost.
1435         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1436         Correct comments and rename functions to suit parameters.
1437
1438 2019-05-21  Richard Biener  <rguenther@suse.de>
1439
1440         PR middle-end/90510
1441         * fold-const.c (fold_read_from_vector): New function.
1442         * fold-const.h (fold_read_from_vector): Declare.
1443         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1444         single-element insert permutations.  Canonicalize selector
1445         further and fix issue with last commit.
1446
1447 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1448
1449         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1450         parameter with default value false to declaration.
1451         (split_edges_for_insertion): New inline function.  Wrapper for
1452         split_critical_edges with for_edge_insertion_p = true.
1453         * tree-cfg.c (split_critical_edges): Don't split non-critical
1454         edges if for_edge_insertion_p is false.  Fix whitespace.
1455         * tree-ssa-pre.c (pass_pre::execute): Call
1456         split_edges_for_insertion instead of split_critical_edges.
1457         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1458         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1459         (pass_data_sink_code): Update function name in the comment.
1460
1461 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1462
1463         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1464         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1465         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1466         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1467         positives.
1468
1469 2019-05-21  Martin Liska  <mliska@suse.cz>
1470
1471         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1472         an extra newline.
1473         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1474         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1475         vec_lvsr.
1476         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1477         Quote a C type.
1478         (rs6000_function_arg): Likewise.
1479         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1480         (rs6000_expand_ternop_builtin): Use interval syntax.
1481         (get_element_number): Likewise.
1482         (altivec_expand_builtin): Likewise.
1483         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1484
1485 Fix test-suite.
1486
1487 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR c++/59813
1490         PR target/90418
1491         * function.h (struct function): Add calls_eh_return member.
1492         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1493         gimplifying __builtin_eh_return call.
1494         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1495         to cfun.
1496         (expand_call_inline): Or in src_cfun->calls_eh_return into
1497         dst_cfun->calls_eh_return.
1498         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1499         cfun->calls_eh_return.
1500         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1501         * lto-streamer-out.c (output_struct_function_base): Write
1502         calls_eh_return.
1503
1504 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1505
1506         PR rtl-optimization/43147
1507         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1508         IX86_BUILTIN_SHUFPD.
1509
1510 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1511
1512         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1513         (refs_may_alias_p_1): ... here; update stats.
1514         (refs_may_alias_p): Do not update stats here.
1515
1516 2019-05-20  Richard Biener  <rguenther@suse.de>
1517
1518         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1519         doesn't produce pointers.
1520         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1521         the first operand points to.
1522
1523 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1524
1525         * tree-ssa-alias.c (compare_sizes): New function.
1526         (sompare_type_sizes): New function
1527         (aliasing_component_refs_p): Use it.
1528         (indirect_ref_may_alias_decl_p): Likewise.
1529
1530 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1531
1532         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1533
1534 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1535
1536         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1537         (LIBLSAN_EARLY_SPEC): Likewise.
1538         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1539
1540 2019-05-20  Martin Liska  <mliska@suse.cz>
1541
1542         * config/i386/i386.c (ix86_libc_has_fast_function):
1543         Add ATTRIBUTE_UNUSED for the argument.
1544
1545 2019-05-20  Richard Biener  <rguenther@suse.de>
1546
1547         * gimple-match-head.c: Include vec-perm-indices.h.
1548         * generic-match-head.c: Likewise.
1549         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1550         is included.
1551         * fold-const.c (fold_vec_perm): Export.
1552         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1553         (match.pd): ...here.
1554
1555 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1556
1557         * cfgloop.h (struct loop): Add simdlen member.
1558         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1559         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1560         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1561         as new argument to autovectorize_vector_sizes target hook.  If
1562         loop->simdlen, pick up vector size where the vectorization factor
1563         is equal to loop->simd, and if there is none, fall back to the first
1564         successful one.
1565         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1566         caller.
1567         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1568         * omp-general.c (omp_max_vf): Likewise.
1569         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1570         * tree-vect-slp.c (vect_slp_bb): Likewise.
1571         * target.def (autovectorize_vector_sizes): Add ALL argument and
1572         document it.
1573         * doc/tm.texi: Adjust documentation.
1574         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1575         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1576         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1577         bool argument.
1578         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1579         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1580         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1581         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1582         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1583         preferred vector size is not 512-bit or 256-bit, just put those
1584         unpreferred ones last.
1585
1586 2019-05-20  Martin Liska  <mliska@suse.cz>
1587
1588         * targhooks.c (default_libc_has_fast_function): New function.
1589         * targhooks.h (default_libc_has_fast_function): Likewise.
1590
1591 2019-05-20  Martin Liska  <mliska@suse.cz>
1592
1593         PR middle-end/90263
1594         * builtins.c (expand_builtin_memory_copy_args): When having a
1595         target with fast mempcpy implementation do now use memcpy.
1596         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1597         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1598         * doc/tm.texi: Likewise.
1599         * doc/tm.texi.in: Likewise.
1600         * target.def:
1601         * expr.c (emit_block_move_hints): Add 2 new arguments.
1602         * expr.h (emit_block_move_hints): Bail out when libcall
1603         to memcpy would be used.
1604
1605 2019-05-20  Martin Liska  <mliska@suse.cz>
1606
1607         * profile-count.c: Add vertical spacing in order
1608         to separate functions.
1609         * profile-count.h: Likewise.
1610
1611 2019-05-20  Martin Liska  <mliska@suse.cz>
1612
1613         * profile-count.h: Do not use full qualified
1614         names if possible.
1615         * profile-count.c (profile_count::to_frequency): Likewise.
1616
1617 2019-05-20  Martin Liska  <mliska@suse.cz>
1618
1619         * profile-count.h (enum profile_quality): Use capital letters
1620         for enum value names.  Use the adjusted names.
1621         * profile-count.c: Use the adjusted names.
1622
1623 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1624
1625         * config/rs6000/constraints.md (define_register_constraint "wH"):
1626         Delete.
1627         (define_register_constraint "wI"): Delete.
1628         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1629         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1630         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1631         (rs6000_init_hard_regno_mode_ok): Adjust.
1632         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1633         resp. "d", or with "wa" as appropriate, all with "p8v".
1634         * config/rs6000/vsx.md: Ditto.
1635         * doc/md.texi (Machine Constraints): Adjust.
1636
1637 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1638
1639         * config/rs6000/constraints.md (define_register_constraint "wy"):
1640         Delete.
1641         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1642         RS6000_CONSTRAINT_wy.
1643         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1644         (rs6000_init_hard_regno_mode_ok): Adjust.
1645         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1646         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1647         (define_mode_attr Fisa): New.
1648         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1649         * doc/md.texi (Machine Constraints): Adjust.
1650
1651 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1652
1653         * config/rs6000/constraints.md (define_register_constraint "wu"):
1654         Delete.
1655         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1656         RS6000_CONSTRAINT_wu.
1657         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1658         (rs6000_init_hard_regno_mode_ok): Adjust.
1659         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1660         both with "p8v".
1661         (define_mode_attr Fa): Delete.
1662         * config/rs6000/vsx.md: Ditto.
1663         * doc/md.texi (Machine Constraints): Adjust.
1664
1665 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1666
1667         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1668         Delete.
1669         (define_register_constraint "wK"): Delete.
1670         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1671         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1672         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1673         (rs6000_init_hard_regno_mode_ok): Adjust.
1674         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1675         Replace "wK" constraint by "wH" with "p9v".
1676         * config/rs6000/vsx.md: Ditto.
1677         * doc/md.texi (Machine Constraints): Adjust.
1678
1679 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1680
1681         * config/rs6000/constraints.md (define_register_constraint "wb"):
1682         Delete.
1683         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1684         RS6000_CONSTRAINT_wb.
1685         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1686         (rs6000_init_hard_regno_mode_ok): Adjust.
1687         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1688         * config/rs6000/vsx.md: Ditto.
1689         * doc/md.texi (Machine Constraints): Adjust.
1690
1691 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1692
1693         * config/rs6000/constraints.md (define_register_constraint "wo"):
1694         Delete.
1695         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1696         RS6000_CONSTRAINT_wo.
1697         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1698         (rs6000_init_hard_regno_mode_ok): Adjust.
1699         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1700         * config/rs6000/altivec.md: Ditto.
1701         * doc/md.texi (Machine Constraints): Adjust.
1702
1703 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1704
1705         * config/darwin-c.c (darwin_register_objc_includes): Do not
1706         prepend the sysroot when building gnu-runtime header search
1707         paths.
1708
1709 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1710
1711         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1712         instead of direct output of the asm.
1713
1714 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1715
1716         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1717         argument to be type bool (was int before).
1718         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1719         at first use.  Use type bool for some variables.  Fix a theoretical
1720         eh_return bug for svr4.
1721
1722 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1723
1724         * config/rs6000/rs6000.md (isa): New attribute.
1725         (enabled): New attribute.
1726
1727 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1728
1729         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1730         assemble_start_function and assemble_end_function.
1731
1732 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1733
1734         PR middle-end/89433
1735         * omp-general.c (oacc_verify_routine_clauses): Change formal
1736         parameters.  Add checking if already marked with an OpenACC
1737         'routine' directive.  Adjust all users.
1738
1739         PR middle-end/89433
1740         * omp-general.c (oacc_build_routine_dims): Move some of its
1741         processing into...
1742         (oacc_verify_routine_clauses): ... this new function.
1743         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1744
1745 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1746
1747         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1748         formating of picbase labels to match other ports.
1749
1750 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1751
1752         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1753         in the generated code.
1754
1755 2019-05-16  Martin Sebor  <msebor@redhat.com>
1756
1757         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1758         identifiers, keywords, operators, and types in diagnostics.  Correct
1759         quoting, spelling, and sentence capitalization issues.
1760         (expand_builtin_atomic_is_lock_free): Same.
1761         (fold_builtin_next_arg): Same.
1762         * cfgexpand.c (expand_one_var): Same.
1763         (tree_conflicts_with_clobbers_p): Same.
1764         (expand_asm_stmt): Same.
1765         (verify_loop_structure): Same.
1766         * cgraphunit.c (process_function_and_variable_attributes): Same.
1767         * collect-utils.c (collect_execute): Same.
1768         * collect2.c (maybe_run_lto_and_relink): Same.
1769         (is_lto_object_file): Same.
1770         (scan_prog_file): Same.
1771         * convert.c (convert_to_real_1): Same.
1772         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1773         * except.c (verify_eh_tree): Same.
1774         * gcc.c (execute): Same.
1775         (eval_spec_function): Same.
1776         (run_attempt): Same.
1777         (driver::set_up_specs): Same.
1778         (compare_debug_auxbase_opt_spec_function): Same.
1779         * gcov-tool.c (unlink_gcda_file): Same.
1780         (do_merge): Same.
1781         (do_rewrite): Same.
1782         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1783         * gimplify.c (gimplify_asm_expr): Same.
1784         (gimplify_adjust_omp_clauses): Same.
1785         * hsa-gen.c (gen_hsa_addr_insns): Same.
1786         (gen_hsa_insns_for_load): Same.
1787         (gen_hsa_cmp_insn_from_gimple): Same.
1788         (gen_hsa_insns_for_operation_assignment): Same.
1789         (gen_get_level): Same.
1790         (gen_hsa_alloca): Same.
1791         (omp_simple_builtin::generate): Same.
1792         (gen_hsa_atomic_for_builtin): Same.
1793         (gen_hsa_insns_for_call): Same.
1794         * input.c (dump_location_info): Same.
1795         * ipa-devirt.c (compare_virtual_tables): Same.
1796         * ira.c (ira_setup_eliminable_regset): Same.
1797         * lra-assigns.c (lra_assign): Same.
1798         * lra-constraints.c (lra_constraints): Same.
1799         * lto-streamer-in.c (lto_input_mode_table): Same.
1800         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1801         (merge_and_complain): Same.
1802         (compile_offload_image): Same.
1803         (compile_images_for_offload_targets): Same.
1804         (debug_objcopy): Same.
1805         (run_gcc): Same.
1806         (main): Same.
1807         * opts.c (print_specific_help): Same.
1808         (parse_no_sanitize_attribute): Same.
1809         (print_help): Same.
1810         (handle_param): Same.
1811         * plugin.c (add_new_plugin): Same.
1812         (parse_plugin_arg_opt): Same.
1813         (try_init_one_plugin): Same.
1814         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1815         operators, and types in diagnostics.  Correct quoting and spelling
1816         issues.
1817         * read-rtl-function.c (parse_edge_flag_token): Same.
1818         (function_reader::parse_enum_value): Same.
1819         * reg-stack.c (check_asm_stack_operands): Same.
1820         * regcprop.c (validate_value_data): Same.
1821         * sched-rgn.c (make_pass_sched_fusion): Same.
1822         * stmt.c (check_unique_operand_names): Same.
1823         * targhooks.c (default_target_option_pragma_parse): Same.
1824         * tlink.c (recompile_files): Same.
1825         * toplev.c (process_options): Same.
1826         (do_compile): Same.
1827         * trans-mem.c (diagnose_tm_1): Same.
1828         (ipa_tm_scan_irr_block): Same.
1829         (ipa_tm_diagnose_transaction): Same.
1830         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1831         format a tree code name in a diagnostic.
1832         (verify_types_in_gimple_min_lval): Same.
1833         (verify_types_in_gimple_reference): Same.
1834         (verify_gimple_call): Same.
1835         (verify_gimple_assign_unary): Same.
1836         (verify_gimple_assign_binary): Same.
1837         (verify_gimple_assign_ternary): Same.
1838         (verify_gimple_assign_single): Same.
1839         (verify_gimple_switch): Same.
1840         (verify_gimple_label): Same.
1841         (verify_gimple_phi): Same.
1842         (verify_gimple_in_seq): Same.
1843         (verify_eh_throw_stmt_node): Same.
1844         (collect_subblocks): Same.
1845         (gimple_verify_flow_info): Same.
1846         (do_warn_unused_result): Same.
1847         * tree-inline.c (expand_call_inline): Same.
1848         * tree-into-ssa.c (update_ssa): Same.
1849         * tree.c (tree_int_cst_elt_check_failed): Same.
1850         (tree_vec_elt_check_failed): Same.
1851         (omp_clause_operand_check_failed): Same.
1852         (verify_type_variant): Same.
1853         (verify_type): Same.
1854         * value-prof.c (verify_histograms): Same.
1855         * varasm.c (assemble_start_function): Same.
1856
1857 2019-05-16  Martin Sebor  <msebor@redhat.com>
1858
1859         * config/i386/i386-expand.c (get_element_number): Quote keywords
1860         and other internal names in diagnostics.  Adjust other diagnostic
1861         formatting issues noted by -Wformat-diag.
1862         * config/i386/i386-features.c
1863         (ix86_mangle_function_version_assembler_name): Same.
1864         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1865         * config/i386/i386.c (ix86_function_type_abi): Same.
1866         (ix86_function_ms_hook_prologue): Same.
1867         (classify_argument): Same.
1868         (ix86_expand_prologue): Same.
1869         (ix86_md_asm_adjust): Same.
1870         (ix86_memmodel_check): Same.
1871
1872 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1873
1874         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1875         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1876         and fpxx modes.
1877
1878 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1879
1880         PR target/90497
1881         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1882         intrinsics without SSE/SSE2/SSSE3.
1883         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1884         check.
1885         (*mmx_uavgv8qi3): Likewise.
1886
1887 2019-05-17  Richard Biener  <rguenther@suse.de>
1888
1889         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1890         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1891
1892 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1893
1894         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1895         vec_sldw insn pattern.
1896
1897 2019-05-17  Richard Biener  <rguenther@suse.de>
1898
1899         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1900
1901 2019-05-17  Martin Liska  <mliska@suse.cz>
1902
1903         PR driver/90496
1904         * toplev.c (output_stack_usage): With LTO and sanitizer it
1905         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1906         has no file location.
1907
1908 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1909
1910         PR c++/90484
1911         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1912         sz0 is equal to sz1, instead return false in that case.
1913
1914         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1915         has non-constant expression, force sctx.lane and use two
1916         argument IFN_GOMP_SIMD_LANE instead of single argument.
1917         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1918         two argument IFN_GOMP_SIMD_LANE without lhs.
1919         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1920         member.
1921         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1922         Define.
1923         (LOOP_REQUIRES_VERSIONING): Or in
1924         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1925         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1926         simd_if_cond.
1927         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1928         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1929         from simd if clause if needed.
1930
1931 2019-05-16  Richard Biener  <rguenther@suse.de>
1932
1933         * tree-affine.c (expr_to_aff_combination): New function split
1934         out from...
1935         (tree_to_aff_combination): ... here.
1936         (aff_combination_expand): Avoid building a GENERIC tree.
1937
1938 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1939
1940         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1941         assemble_start_function and assemble_end_function calls.
1942         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1943         assemble_start_function and assemble_end_function.
1944         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1945         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1946         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1947         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1948         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1949         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1950         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1951         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1952         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1953         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1954         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1955         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1956         Likewise.
1957         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1958         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1959         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1960         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1961         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1962         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1963         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1964         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1965         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1966         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1967         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1968         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1969         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1970         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1971         Likewise.
1972         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1973         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1974         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1975
1976 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1977
1978         * tree-ssa-alias.c (alias_stats): Add
1979         aliasing_component_refs_p_may_alias and
1980         aliasing_component_refs_p_no_alias.
1981         (dump_alias_stats): Print aliasing_component_refs_p stats.
1982         (aliasing_component_refs_p): Update stats.
1983
1984 2019-05-16  Martin Liska  <mliska@suse.cz>
1985
1986         PR lto/90500
1987         * multiple_target.c (expand_target_clones): Do not allow
1988         target_clones being used with a symbol that is an alias.
1989
1990 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1991
1992         PR tree-optimization/90394
1993         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1994         positives rather than ICE for cases where (code2 == NE_EXPR
1995         && code1 == BIT_AND_EXPR).
1996
1997 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1998
1999         PR fortran/90329
2000         * tree-core.h (struct tree_decl_common): Document
2001         decl_nonshareable_flag for PARM_DECLs.
2002         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2003         * calls.c (expand_call): Don't try tail call if caller
2004         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2005         passed on the stack and callee needs to pass any arguments on the
2006         stack.
2007         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2008         else if instead of series of mutually exclusive ifs.  Handle
2009         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2010         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2011
2012         * lto-streamer.h (LTO_major_version): Bump to 9.
2013
2014 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2015
2016         PR tree-optimization/90106
2017         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2018         new parameter as new internal function call, also move it to new
2019         basic block.
2020         (use_internal_fn): Pass internal function call to
2021         shrink_wrap_one_built_in_call_with_conds.
2022
2023 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2024
2025         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2026         max_vf to 1.
2027         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2028         safelen_int and set loop->dont_vectorize.
2029
2030 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2031
2032         PR target/89021
2033         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2034         SSE/SSE2/SSSE3.
2035         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2036         Likewise.
2037         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2038         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2039         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2040         is defined.
2041
2042 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2043
2044         PR target/89021
2045         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2046         define_insn_and_split to support SSE emulation.
2047         (*vec_extractv2sf_0): Likewise.
2048         (*vec_extractv2sf_1): Likewise.
2049         (*vec_extractv2si_0): Likewise.
2050         (*vec_extractv2si_1): Likewise.
2051         (*vec_extractv2si_zext_mem): Likewise.
2052         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2053         (vec_extractv2sf_1 splitter): Likewise.
2054         (vec_extractv2sfsf): Likewise.
2055         (vec_setv2si): Likewise.
2056         (vec_extractv2si_1 splitter): Likewise.
2057         (vec_extractv2sisi): Likewise.
2058         (vec_setv4hi): Likewise.
2059         (vec_extractv4hihi): Likewise.
2060         (vec_setv8qi): Likewise.
2061         (vec_extractv8qiqi): Likewise.
2062         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2063         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2064         (vec_extractv2sisi): Likewise.
2065         (vec_extractv4hihi): Likewise.
2066         (vec_extractv8qiqi): Likewise.
2067         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2068         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2069         (vec_initv2sisi): Likewise.
2070         (vec_initv4hihi): Likewise.
2071         (vec_initv8qiqi): Likewise.
2072         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2073         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2074         (vec_setv4hi): Likewise.
2075         (vec_setv8qi): Likewise.
2076
2077 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2078
2079         PR target/89021
2080         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2081         TARGET_MMX_WITH_SSE.
2082         (MMXMODE:*mov<mode>_internal): Likewise.
2083         (MMXMODE:movmisalign<mode>): Likewise.
2084
2085 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2086
2087         PR target/89021
2088         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2089         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2090         (sse2_cvtpd2pi): Ditto.
2091         (sse2_cvttpd2pi): Ditto.
2092         (*vec_concatv2sf_sse4_1): Ditto.
2093         (*vec_concatv2sf_sse): Ditto.
2094         (*vec_concatv2si_sse4_1): Ditto.
2095         (*vec_concatv2si): Ditto.
2096         (*vec_concatv4si_0): Ditto.
2097         (*vec_concatv2di_0): Ditto.
2098
2099 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2100
2101         PR target/89021
2102         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2103
2104 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2105
2106         PR target/89021
2107         * config/i386/sse.md (ssse3_palignrdi): Changed to
2108         define_insn_and_split to support SSE emulation.
2109
2110 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2111
2112         PR target/89021
2113         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2114
2115 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2116
2117         PR target/89021
2118         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2119         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2120         SSE emulation.
2121
2122 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2123
2124         PR target/89021
2125         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2126         or TARGET_MMX_WITH_SSE.
2127         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2128
2129 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2130
2131         PR target/89021
2132         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2133
2134 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2135
2136         PR target/89021
2137         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2138         Changed to define_insn_and_split to support SSE emulation.
2139
2140 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2141
2142         PR target/89021
2143         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2144         Changed to define_insn_and_split to support SSE emulation.
2145
2146 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2147
2148         PR target/89021
2149         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2150         (*mmx_<emms>): This.
2151         (mmx_<emms>): New expander.
2152
2153 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2154
2155         PR target/89021
2156         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2157         support.
2158         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2159
2160 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2161
2162         PR target/89021
2163         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2164
2165 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2166
2167         PR target/89021
2168         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2169
2170 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2171
2172         PR target/89021
2173         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2174         TARGET_MMX_WITH_SSE.
2175         (*mmx_uavgv4hi3): Add SSE emulation.
2176
2177 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2178
2179         PR target/89021
2180         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2181         and TARGET_MMX_WITH_SSE.
2182         (*mmx_uavgv8qi3): Add SSE emulation.
2183
2184 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2185
2186         PR target/89021
2187         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2188         maskmovdqu for __MMX_WITH_SSE__.
2189
2190 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2191
2192         PR target/89021
2193         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2194         TARGET_MMX and TARGET_MMX_WITH_SSE.
2195         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2196
2197 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2198
2199         PR target/89021
2200         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2201         define_insn_and_split to support SSE emulation.
2202
2203 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2204
2205         PR target/89021
2206         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2207         and TARGET_MMX_WITH_SSE.
2208         (mmx_<code>v8qi3): Likewise.
2209         (smaxmin:<code>v4hi3): New.
2210         (umaxmin:<code>v8qi3): Likewise.
2211         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2212         (umaxmin:*mmx_<code>v8qi3): Likewise.
2213
2214 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2215
2216         PR target/89021
2217         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2218         TARGET_MMX_WITH_SSE.
2219         (*mmx_pinsrw): Add SSE emulation.
2220
2221 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2222
2223         PR target/89021
2224         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2225
2226 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2227
2228         PR target/89021
2229         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2230         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2231         SSE emulation.
2232
2233 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2234
2235         PR target/89021
2236         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2237         (sse_cvttps2pi): Likewise.
2238
2239 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2240
2241         PR target/89021
2242         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2243         TARGET_MMX_WITH_SSE.
2244         (mmx_pshufw_1): Add SSE emulation.
2245         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2246         TARGET_MMX_WITH_SSE to support SSE emulation.
2247
2248 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2249
2250         PR target/89021
2251         * config/i386/constraints.md (Yw): New constraint.
2252         * config/i386/mmx.md (*vec_dupv2si): Changed to
2253         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2254         support SSE emulation.
2255
2256 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2257
2258         PR target/89021
2259         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2260         TARGET_MMX_WITH_SSE.
2261         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2262         support.
2263         (mmx_gt<mode>3): Likewise.
2264
2265 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2266
2267         PR target/89021
2268         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2269         TARGET_MMX_WITH_SSE.  Add SSE support.
2270
2271 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2272
2273         PR target/89021
2274         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2275         TARGET_MMX_WITH_SSE.
2276         (any_logic:<code><mode>3): New.
2277         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2278         Add SSE support.
2279
2280 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2281
2282         PR target/89021
2283         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2284         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2285         (mmx_<shift_insn><mode>3): Likewise.
2286         (ashr<mode>3): New.
2287         (<shift_insn><mode>3): Likewise.
2288
2289 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2290
2291         PR target/89021
2292         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2293         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
2294
2295 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2296
2297         PR target/89021
2298         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2299         TARGET_MMX_WITH_SSE.
2300         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2301         SSE support.
2302
2303 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2304
2305         PR target/89021
2306         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2307         TARGET_MMX_WITH_SSE.
2308         (mulv4hi3): New.
2309         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2310         support.
2311
2312 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2313
2314         PR target/89021
2315         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2316         (plusminus:mmx_<plusminus_insn><mode>3): Check
2317         TARGET_MMX_WITH_SSE.
2318         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2319         (<plusminus_insn><mode>3): New.
2320         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2321         (*mmx_<plusminus_insn><mode>3): Likewise.
2322
2323 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2324
2325         PR target/89021
2326         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2327         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2328         prototype.
2329         * config/i386/mmx.m (mmx_punpckhbw): Changed to
2330         define_insn_and_split to support SSE emulation.
2331         (mmx_punpcklbw): Likewise.
2332         (mmx_punpckhwd): Likewise.
2333         (mmx_punpcklwd): Likewise.
2334         (mmx_punpckhdq): Likewise.
2335         (mmx_punpckldq): Likewise.
2336
2337 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2338             Uros Bizjak  <ubizjak@gmail.com>
2339
2340         PR target/89021
2341         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2342         New function.
2343         (ix86_split_mmx_pack): Likewise.
2344         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2345         New prototype.
2346         (ix86_split_mmx_pack): Likewise.
2347         * config/i386/i386.md (mmx_isa): New.
2348         (enabled): Also check mmx_isa.
2349         * config/i386/mmx.md (any_s_truncate): New code iterator.
2350         (s_trunsuffix): New code attr.
2351         (mmx_packsswb): Removed.
2352         (mmx_packssdw): Likewise.
2353         (mmx_packuswb): Likewise.
2354         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2355         MMX packsswb/packuswb with SSE2.
2356         (mmx_packssdw): Likewise.
2357         * config/i386/predicates.md (register_mmxmem_operand): New.
2358
2359 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2360
2361         PR target/89021
2362         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2363         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2364         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2365         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2366         (ix86_vector_mode_supported_p): Likewise.
2367         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2368
2369 2019-05-15  Martin Liska  <mliska@suse.cz>
2370
2371         PR middle-end/90478
2372         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2373         Check for overflow.
2374
2375 2019-05-15  Richard Biener  <rguenther@suse.de>
2376
2377         * tree-into-ssa.c (pass_build_ssa::execute): Run
2378         update_address_taken before going into SSA.
2379
2380 2019-05-15  Richard Biener  <rguenther@suse.de>
2381
2382         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2383         as __BIT_FIELD_REF with type with -gimple.
2384
2385 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2386
2387         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2388         semantically equivalent branches (left over after prior refactorings).
2389
2390 2019-05-15  Richard Biener  <rguenther@suse.de>
2391
2392         PR tree-optimization/88828
2393         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2394         bogus check.
2395
2396 2019-05-14  Richard Biener  <rguenther@suse.de>
2397
2398         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2399         as __VIEW_CONVERT with -gimple.
2400
2401 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2402
2403         PR target/82920
2404         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2405         Darwin.
2406
2407 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2408
2409         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2410         define_split to become a define_insn_and_split.
2411
2412 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2413
2414         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2415         arguments.
2416         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2417         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2418         (sibcall_epilogue): Adjust.
2419         (epilogue): Adjust.
2420
2421 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2422
2423         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2424         to unsupported ones.
2425         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2426         * config.host: Likewise.
2427         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2428         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2429         __svr4__]: Remove "brand" fallback.
2430         [!KSTAT_DATA_STRING]: Remove.
2431         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2432         to *-*-solaris2*.
2433         (comdat_group): Likewise.
2434         (set_have_as_tls): Likewise.
2435         (gcc_cv_target_dl_iterate_phdr): Likewise.
2436         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2437         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2438         * configure: Regenerate.
2439         * doc/install.texi: Simplify Solaris target triplets.
2440         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2441         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2442         Remove Solaris 10 references.
2443         Remove obsolete Solaris bug reference.
2444         (Specific, sparc-sun-solaris2.10): Remove.
2445
2446 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2447
2448         * config/i386/i386.md (any_div): New code iterator.
2449         (paired_mod): New code attribute.
2450         (sgnprefix): Handle DIV and UDIV RTXes.
2451         (u): Ditto.
2452         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2453         and udivmod<mode>4 patterns using any_div code iterator.
2454         (divmod splitters): Macroize splitters using any_div code iterator.
2455         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2456         (*udivmodsi4_pow2_zext_2): Ditto.
2457         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2458         and *udivmod<mode>4_noext patterns using any_div code iterator.
2459         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2460         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2461         patterns using any_div code iterator.
2462         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2463         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2464         patterns using any_div code iterator.
2465         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2466         udivmodhiqi3 patterns using any_extend code iterator.
2467
2468 2019-05-14  Richard Biener  <rguenther@suse.de>
2469             H.J. Lu  <hongjiu.lu@intel.com>
2470
2471         PR tree-optimization/88828
2472         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2473         permuting in a single non-constant element not extracted
2474         from a vector.
2475
2476 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2477
2478         * internal-fn.def (SIGNBIT): New.
2479         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2480         defined.
2481         (signbitv4sf2): Likewise.
2482
2483 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2484
2485         PR target/90357
2486         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2487         next insn when the SRC reg is dead.
2488
2489 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2490
2491         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2492         (alloc_cand_and_find_basis): Ditto.
2493         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2494         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2495         (create_add_imm_cand, slsr_process_cast): Ditto.
2496         (slsr_process_copy, replace_mult_candidate): Ditto.
2497         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2498         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2499         (pass_strength_reduction::execute): Init the first NULL element.
2500
2501 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2502
2503         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2504         (run_attempt): Reformat line break.
2505
2506 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2507
2508         PR target/90418
2509         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2510         data registers in sibcall epilogues.
2511         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2512
2513 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2514
2515         PR target/89221
2516         * configure.ac (--enable-frame-pointer):
2517         Disable by default for cygwin and mingw.
2518         * configure: Regenerate.
2519
2520 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2521
2522         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2523         piece of code.
2524         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2525         (gen_member_die): Move abstract origin check earlier.  Only VARs
2526         can be static_inline_p.  Simplify splicing control flow.
2527
2528 2019-05-13  Richard Biener  <rguenther@suse.de>
2529
2530         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2531         VIEW_CONVERT_EXPR.
2532         (vect_build_slp_tree_1): Likewise.
2533
2534 2019-05-13  Richard Biener  <rguenther@suse.de>
2535
2536         PR tree-optimization/90402
2537         * tree-if-conv.c (tree_if_conversion): Value number only
2538         the loop body by making the latch an exit of the region
2539         as well.
2540         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2541         processing PHIs.
2542         (do_rpo_vn): Deal with multiple edges into the entry block
2543         that are not backedges inside the region by skipping PHIs
2544         of the entry block.
2545
2546 2019-05-13  Richard Biener  <rguenther@suse.de>
2547
2548         PR tree-optimization/90316
2549         * tree-ssa-pre.c (insert_aux): Fold into ...
2550         (insert): ... this function.  Use a RPO walk to reduce the
2551         number of required iterations.
2552
2553 2019-05-13  Martin Liska  <mliska@suse.cz>
2554
2555         PR tree-optimization/90416
2556         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2557         string instead of passing the second part as va_arg argument.
2558
2559 2019-05-13  Martin Liska  <mliska@suse.cz>
2560
2561         PR gcov-profile/90380
2562         * gcov.c (handle_cycle): Do not support zero cycle count,
2563         it should not be possible.
2564         (path_contains_zero_cycle_arc): New function.
2565         (circuit): Ignore zero cycle arc counts.
2566
2567 2019-05-13  Martin Liska  <mliska@suse.cz>
2568
2569         PR gcov-profile/90380
2570         * gcov.c (enum loop_type): Remove the enum and
2571         the operator.
2572         (handle_cycle): Assert that we should not reach
2573         a negative count.
2574         (circuit): Use loop_found instead of a tri-state loop_type.
2575         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2576         happen.
2577
2578 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2579
2580         PR target/82920
2581         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2582         (ix86_output_indirect_branch_via_reg): Use output mechanism
2583         accounting for __USER_LABEL_PREFIX__.
2584         (ix86_output_indirect_branch_via_push): Likewise.
2585         (ix86_output_function_return): Likewise.
2586         (ix86_output_indirect_function_return): Likewise.
2587
2588 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2589
2590         * doc/md.texi: Document use of code attributes in rtx patterns.
2591         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2592         * read-rtl.c (find_code): Split out search loops into...
2593         (maybe_find_code): ...this new function.
2594         (check_code_iterator): Make the error message more informative.
2595         (check_code_attribute): New function.
2596         (rtx_reader::rtx_alloc_for_name): Likewise.
2597         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2598         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2599         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2600         <max_opp> directly as an rtx code instead of via a match_operator.
2601         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2602         (<su>abd<mode>_3): Update accordingly.
2603
2604 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2605
2606         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2607         is given, print the state of the EH "save world" computation for
2608         Darwin.
2609
2610 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR c++/59813
2613         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2614         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2615
2616 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2617
2618         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2619         Use pinsrd for TARGET_SSE4_1.
2620         * config/i386/sse.md (movdi_to_sse): Ditto.
2621
2622 2019-05-10  Richard Biener  <rguenther@suse.de>
2623
2624         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2625         (do_rpo_vn): Initialize next_value_id.
2626
2627 2019-05-10  Martin Liska  <mliska@suse.cz>
2628
2629         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2630         Fix plural form.
2631
2632 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2633
2634         PR tree-optimization/90385
2635         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2636         arguments of the exit phis.
2637
2638         PR c++/90383
2639         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2640         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2641         id->do_not_fold.
2642         (copy_tree_body_r): Likewise.
2643         (copy_fn): Set id.do_not_fold to true.
2644
2645 2019-05-10  Martin Liska  <mliska@suse.cz>
2646
2647         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2648         Reapply changes from r269790.
2649
2650 2019-05-10  Martin Liska  <mliska@suse.cz>
2651
2652         PR middle-end/90340
2653         * doc/invoke.texi: New params.
2654         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2655         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2656         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2657         Use it.
2658         * tree-switch-conversion.h (struct jump_table_cluster):
2659         Likewise.
2660
2661 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2662
2663         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2664
2665 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2666
2667         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2668
2669 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2670
2671         PR rtl-optimization/88879
2672         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2673
2674 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2675
2676         PR target/90405
2677         * config/arm/arm.c (callee_saved_reg_p): Move before
2678         thumb_find_work_register.
2679         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2680         thumb_find_work_register.  Only call df_get_live_out once.
2681         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2682         (thumb_find_work_register): Use
2683         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2684         algorithms to locate a spare call clobbered reg.
2685
2686 2019-05-09  Martin Liska  <mliska@suse.cz>
2687
2688         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2689         and MAX_EXPR in GIMPLE FE format.
2690
2691 2019-05-09  Martin Liska  <mliska@suse.cz>
2692
2693         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2694         * gimple-pretty-print.c (dump_gimple_bb_header):
2695         Dump BB count.
2696         (pp_cfg_jump): Dump edge probability.
2697         * profile-count.c (profile_quality_as_string): Simplify
2698         with a static array.
2699         (parse_profile_quality): New function.
2700         (profile_count::dump): Simplify with a static array.
2701         (profile_count::from_gcov_type): Add new argument.
2702         * profile-count.h (parse_profile_quality): Likewise.
2703         * predict.h (set_hot_bb_threshold): New.
2704         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2705         New param.
2706         * predict.c (get_hot_bb_threshold): Set from the new param.
2707         (set_hot_bb_threshold): New.
2708
2709 2019-05-09  Richard Biener  <rguenther@suse.de>
2710
2711         PR tree-optimization/90395
2712         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2713         rewrite vector stores that throw internally.
2714
2715 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2716
2717         * cif-code.def (CHKP): Remove.
2718
2719         PR target/89221
2720         * configure.ac (--enable-frame-pointer): Disable by default for
2721         GNU systems.
2722         * configure: Regenerate.
2723
2724 2019-05-09  Alan Modra  <amodra@gmail.com>
2725
2726         PR target/89271
2727         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2728         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2729         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2730         cost for general <-> vsx when direct moves are available.
2731         Cost union classes at minimal cost for any reg in the class.
2732         Correct calculation for moves between vsx, float, and altivec.
2733         Don't return a low cost for moves between special regs.  Don't
2734         use hard coded register numbers.
2735         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2736         (rs6000_ira_change_pseudo_allocno_class): New function.
2737         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2738         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2739         alternatives.
2740         (movsi_internal1): Don't disparage vector alternatives.
2741         (mov<mode>_internal): Likewise, excepting alternative that
2742         will be split.
2743         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2744         we <- b alternative.
2745
2746 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR c++/59813
2749         PR tree-optimization/89060
2750         * tree-ssa-live.h (live_vars_map): New typedef.
2751         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2752         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2753         (struct compute_live_vars_data): New type.
2754         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2755         live_vars_at_stmt, destroy_live_vars): New functions.
2756         * tree-tailcall.c: Include tree-ssa-live.h.
2757         (live_vars, live_vars_vec): New global variables.
2758         (find_tail_calls): Perform variable life analysis before punting.
2759         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2760         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2761         member.
2762         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2763         Perform variable life analysis to select variables that really need
2764         clobbers added.
2765         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2766         instead set id->eh_landing_pad_dest and assert it is the same.
2767         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2768
2769 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2770             Richard Earnshaw  <rearnsha@arm.com>
2771
2772         PR target/88167
2773         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2774         function.
2775         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2776         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2777         register if both the epilogue and prologue can use call-clobbered
2778         regs.
2779         (thumb1_unexpanded_epilogue): Use
2780         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2781         picking temporaries for restoring high regs to match that of the
2782         prologue where possible.
2783         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2784         the list of work registers.  Detect if the return address is still live
2785         at the end of the prologue and avoid using it for a work register if so.
2786         If the return address is not live, add LR to the list of pushable regs
2787         after the first pass.
2788
2789 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2790
2791         PR tree-optimization/90078
2792         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2793         (INFTY): Increase the value for infinite cost.
2794         (struct comp_cost): Promote type of members to int64_t.
2795         (infinite_cost): Don't set complexity in initialization.
2796         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2797         overflows to infinite_cost.
2798         (adjust_setup_cost): Promote type of parameter and cost computation
2799         to int64_t.
2800         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2801         int64_t.
2802         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2803         cost computation to int64_t.
2804         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2805         int64_t's format specifier in dump.
2806
2807 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2808
2809         PR tree-optimization/90240
2810         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2811         with respect to scaling factor pre-computed for each basic block.
2812         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2813         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2814         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2815         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2816         live range for array of loop's basic blocks.  Cleanup aux field of
2817         loop's basic blocks.
2818
2819 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2820
2821         PR tree-optimization/90356
2822         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2823
2824 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2825
2826         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2827         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2828         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2829         (ix86_handle_option): Handle -mavx512bf16.
2830         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2831         to extra_headers.
2832         * config/i386/avx512bf16vlintrin.h: New.
2833         * config/i386/avx512bf16intrin.h: New.
2834         * config/i386/cpuid.h (bit_AVX512BF16): New.
2835         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2836         * config/i386/i386-builtin-types.def: Add new types.
2837         * config/i386/i386-builtin.def: Add new builtins.
2838         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2839         __AVX512BF16__.
2840         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2841         (ix86_option_override_internal): Handle BF16.
2842         (ix86_valid_target_attribute_inner_p): Ditto.
2843         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2844         * config/i386/i386-builtin.c (enum processor_features): Add
2845         F_AVX512BF16.
2846         (static const _isa_names_table isa_names_table): Ditto.
2847         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2848         (PTA_AVX512BF16): Ditto.
2849         * config/i386/i386.opt: Add -mavx512bf16.
2850         * config/i386/immintrin.h: Include avx512bf16intrin.h
2851         and avx512bf16vlintrin.h.
2852         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2853         avx512f_cvtneps2bf16_<mode><mask_name>,
2854         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2855         * config/i386/subst.md (mask_half): Add new subst.
2856         * doc/invoke.texi: Document -mavx512bf16.
2857
2858 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2859
2860         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2861         Delete declaration.
2862         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2863         (rs6000_debug_legitimize_reload_address): Delete.
2864         (rs6000_legitimize_reload_address_ptr): Delete.
2865         (rs6000_option_override_internal): Adjust.
2866         (mem_operand_gpr): Adjust comment.
2867         (legitimate_lo_sum_address_p): Ditto.
2868         (rs6000_legitimize_reload_address): Delete.
2869         (rs6000_debug_legitimize_reload_address): Delete.
2870         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2871
2872 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2873
2874         PR target/89765
2875         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2876         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2877         to compute vector element selector for both constant and variable
2878         operands.
2879
2880 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2881
2882         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2883         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2884         ashrdi3_cvt using SWI48 mode iterator.
2885
2886 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2887
2888         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2889         (aarch64_<su>abd<mode>_3): Likewise.
2890         (*aarch64_<su>abd<mode>_3): New define_insn.
2891         (<sur>sad<vsi2qi>): New define_expand.
2892         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2893         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2894         (build_vect_cond_expr): Likewise.
2895
2896 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2897
2898         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2899         clobbers outside of accessible_reg_set.
2900         * config/i386/i386.c (ix86_conditional_register_usage):
2901         Disable register sets by clearing corresponding bits in
2902         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2903         call_used_regs and don't clear corresponding reg_names array members.
2904
2905 2019-05-07  Richard Biener  <rguenther@suse.de>
2906
2907         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2908         not specified still compute a comp_vectype for invariant
2909         compares.
2910
2911 2019-05-07  Richard Biener  <rguenther@suse.de>
2912
2913         PR tree-optimization/90316
2914         * tree-ssa-pre.c (translate_vuse_through_block): When
2915         same_valid is NULL do not bother to search for a virtual
2916         PHI continuation.
2917         (phi_translate_1): When operands changed we cannot keep
2918         the same value-number so do not bother to ask whether
2919         that's possible from translate_vuse_through_block.
2920
2921 2019-05-07  Martin Liska  <mliska@suse.cz>
2922
2923         * bitmap.c (bitmap_register): Come up with
2924         alloc_descriptor_max_uid and assign it for
2925         a new bitmap.
2926         (register_overhead): Use get_descriptor as
2927         a descriptor.
2928         (release_overhead): New.
2929         (bitmap_elem_to_freelist): Call it.
2930         (bitmap_elt_clear_from): Likewise.
2931         (bitmap_obstack_free): Likewise.
2932         (bitmap_move): Sensitively release memory.
2933         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2934         (bitmap_initialize): Initialize alloc_descriptor to zero.
2935         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2936
2937 2019-05-07  Richard Biener  <rguenther@suse.de>
2938
2939         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2940         we build a SLP node.  Remove max_size and limiting.
2941         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2942
2943 2019-05-07  Richard Biener  <rguenther@suse.de>
2944
2945         PR tree-optimization/90316
2946         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2947         limit by reference.
2948         (walk_non_aliased_vuses): Take walking limit argument.
2949         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2950         walking if it is reached instead of just counting.
2951         (get_continuation_for_phi): Likewise.
2952         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2953         limiting to the callback.
2954         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2955         (vn_reference_lookup_3): Likewise.
2956         (vn_reference_lookup_pieces): Likewise.
2957         (vn_reference_lookup): Likewise.
2958         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2959         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2960         (avail_exprs_stack::lookup_avail_expr): Likewise.
2961
2962 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2963
2964         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2965         for comparaible types in the second direction even if first one
2966         hits incomparable type.
2967
2968 2019-05-07  Richard Biener  <rguenther@suse.de>
2969
2970         PR lto/90369
2971         * lto-wrapper.c (debug_objcopy): Use the original filename
2972         including archive offset for the filename used for -save-temps.
2973
2974 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2975
2976         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2977         detection.
2978
2979 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2980             Hongtao Liu  <hongtao.liu@intel.com>
2981
2982         PR target/89750
2983         PR target/86444
2984         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
2985         Modified, original implementation isn't correct.
2986
2987 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2988
2989         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2990         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2991         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2992         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2993         (FRAME_POINTER_REGNUM): Change numbering.
2994         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2995         (alt_reg_names): Adjust.
2996         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2997         fixed.
2998         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2999         (DWARF_FRAME_REGISTERS): Delete.
3000         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3001         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3002         Adjust.
3003         (REG_ALLOC_ORDER): Adjust.
3004         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3005         (REG_CLASS_CONTENTS): Adjust.
3006         (RETURN_ADDR_RTX): Change comment.
3007         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3008         instead of 67.
3009         (REGISTER_NAMES): Adjust.
3010         (ADDITIONAL_REGISTER_NAMES): Adjust.
3011         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3012
3013 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3014
3015         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3016         Delete.
3017         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3018         (DWARF_FRAME_REGISTERS): Adjust.
3019         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3020         Adjust.
3021         (REG_ALLOC_ORDER): Adjust.
3022         (enum reg_class): Delete SPR_REGS.
3023         (REG_CLASS_NAMES): Delete SPR_REGS.
3024         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3025         (REGISTER_NAMES): Adjust.
3026         (ADDITIONAL_REGISTER_NAMES): Adjust.
3027         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3028         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3029         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3030         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3031         (htm_spr_regno): Delete.
3032         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3033         argument.
3034         (rs6000_dbx_register_number): Adjust.
3035
3036 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3037
3038         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3039
3040 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3041
3042         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3043         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3044
3045 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3046
3047         PR tree-optimization/88709
3048         PR tree-optimization/90271
3049         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3050         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3051         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3052         variable.
3053         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3054         of the store merging group is larger than
3055         PARAM_STORE_MERGING_MAX_SIZE parameter.
3056         (split_group): Add bzero_first argument.  If set, always emit first
3057         the first store which must be = {} of the whole area and then for the
3058         rest of the stores consider all zero bytes as paddings.
3059         (imm_store_chain_info::output_merged_store): Check if first store
3060         is = {} of the whole area and if yes, determine which setting of
3061         bzero_first for split_group gives smaller number of stores.  Adjust
3062         split_group callers.
3063         (lhs_valid_for_store_merging_p): Allow decls.
3064         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3065         no elts.
3066         (pass_store_merging::process_store): Likewise.
3067
3068 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3069
3070         PR target/89424
3071         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3072         handling of V1TImode.
3073
3074 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3075
3076         PR target/89221
3077         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3078         and enable_frame_pointer ...
3079         * configure.ac: ... here.  Update help strings for
3080         --enable-frame-pointer.
3081         * configure: Regenerate.
3082         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3083         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3084         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3085         (USE_X86_64_FRAME_POINTER): Ditto.
3086
3087 2019-05-06  Martin Liska  <mliska@suse.cz>
3088
3089         * config.gcc: Append to target_gtfiles and fix indentation.
3090
3091 2019-05-06  Richard Biener  <rguenther@suse.de>
3092
3093         PR tree-optimization/90358
3094         * tree-vect-stmts.c (get_group_load_store_type): Properly
3095         detect unused upper half of load.
3096         (vectorizable_load): Likewise.
3097
3098 2019-05-06  Richard Biener  <rguenther@suse.de>
3099
3100         PR tree-optimization/88828
3101         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3102         (simplify_vector_constructor): ...here.  Handle constants in
3103         the constructor.
3104
3105 2019-05-06  Richard Biener  <rguenther@suse.de>
3106
3107         PR tree-optimization/90328
3108         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3109         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3110         is valid in the loop nest before using it.
3111         (initialize_data_dependence_relation): Adjust.
3112         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3113         loop as loop-nest to dr_may_alias_p.
3114
3115 2019-05-06  Richard Biener  <rguenther@suse.de>
3116
3117         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3118
3119 2019-05-06  Richard Biener  <rguenther@suse.de>
3120
3121         PR tree-optimization/90316
3122         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3123         compute target on demand.
3124         (get_continuation_for_phi): Remove code walking stmts to
3125         get to a target virtual operand which could end up being
3126         quadratic.
3127
3128 2019-05-06  Martin Liska  <mliska@suse.cz>
3129
3130         PR sanitizer/90312
3131         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3132         when -mabi is selected to a non-default version.
3133
3134 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3135             Martin Liska  <mliska@suse.cz>
3136
3137         * Makefile.in: Add lto-dump.texi.
3138         * cgraph.h: Add new functions get_visibility_string and
3139         get_symtab_type_string.
3140         * doc/gcc.texi: Include lto-dump section.
3141         * doc/lto-dump.texi: New file.
3142         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3143         (parse_dump_option): Factor out this function.
3144         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3145         (parse_dump_option): Export the function.
3146         * symtab.c (symtab_node::get_visibility_string): New function.
3147         (symtab_node::get_symtab_type_string): Likewise.
3148
3149 2019-05-06  Martin Liska  <mliska@suse.cz>
3150
3151         * config/i386/i386-builtins.c: New file.
3152         * config/i386/i386-builtins.h: New file.
3153         * config/i386/i386-expand.c: New file.
3154         * config/i386/i386-expand.h: New file.
3155         * config/i386/i386-features.c: New file.
3156         * config/i386/i386-features.h: New file.
3157         * config/i386/i386-options.c: New file.
3158         * config/i386/i386-options.h: New file.
3159         * config.gcc: Add new files into extra_objs and
3160         target_gtfiles.
3161         * config/i386/i386.c: Split content of the file
3162         into newly introduced files.
3163         * config/i386/i386.h: Declare common variables
3164         and macros.
3165         * config/i386/t-i386: Define dependencies for new files.
3166
3167 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3168
3169         PR target/89400
3170         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3171         Restrict 'all' variant to 32-bit configurations.
3172         (unaligned_loadhiu): Likewise.
3173         (unaligned_storehi): Likewise.
3174         (unaligned_storesi): Likewise.
3175         (unaligned_loadhis): Disable when compiling for thumb1.
3176
3177 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3178
3179         PR tree-optimization/90269
3180         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3181         Ignore clobbers.
3182
3183 2019-05-03  Martin Liska  <mliska@suse.cz>
3184
3185         * hash-map.h: Add is_empty function.
3186         * hash-set.h: Likewise.
3187         * hash-table.h: Likewise.
3188         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3189         elements () == 0 (and similar usages).
3190         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3191         * gimplify.c (gimplify_bind_expr): Likewise.
3192         (gimplify_switch_expr): Likewise.
3193         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3194         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3195         * postreload-gcse.c (dump_hash_table): Likewise.
3196         (gcse_after_reload_main): Likewise.
3197         * predict.c (combine_predictions_for_bb): Likewise.
3198         * tree-parloops.c (reduction_phi): Likewise.
3199         (separate_decls_in_region): Likewise.
3200         (transform_to_exit_first_loop): Likewise.
3201         (gen_parallel_loop): Likewise.
3202         (gather_scalar_reductions): Likewise.
3203         (try_create_reduction_list): Likewise.
3204         * var-tracking.c (dump_vars): Likewise.
3205         (emit_notes_for_changes): Likewise.
3206         (vt_emit_notes): Likewise.
3207
3208 2019-05-03  Richard Biener  <rguenther@suse.de>
3209
3210         PR tree-optimization/90316
3211         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3212         before running VN.
3213
3214 2019-05-03  Richard Biener  <rguenther@suse.de>
3215
3216         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3217         peeling for gaps by loading only lower halves of vectors
3218         if possible.
3219         (vectorizable_load): Likewise.
3220
3221 2019-05-03  Richard Biener  <rguenther@suse.de>
3222
3223         PR middle-end/89518
3224         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3225
3226 2019-05-03  Richard Biener  <rguenther@suse.de>
3227
3228         PR middle-end/87314
3229         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3230         Handle STRING_CST vs DECL or STRING_CST.
3231
3232 2019-05-03  Richard Biener  <rguenther@suse.de>
3233
3234         PR tree-optimization/88963
3235         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3236         vector loads feeding only BIT_FIELD_REFs to component
3237         loads.  Rewrite stores fed by CONSTRUCTORs to component
3238         stores.
3239
3240 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3241
3242         * opts.h (finish_options): Remove lang_mask argument.
3243         (print_help, help_option_argument): Declare.
3244         * opts.c (print_help): Remove forward declaration, no longer static.
3245         (finish_options): Remove lang_mask argument, don't call print_help
3246         here.
3247         * opts-global.c (decode_options): Adjust finish_option caller, call
3248         print_help here.
3249
3250         PR tree-optimization/90303
3251         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3252         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3253
3254 2019-05-03  Richard Biener  <rguenther@suse.de>
3255
3256         PR tree-optimization/89698
3257         * gimple-fold.c (canonicalize_constructor_val): Early out
3258         for constants, handle unfolded INTEGER_CSTs as they appear in
3259         C++ virtual table ctors.
3260
3261 2019-05-03  Richard Biener  <rguenther@suse.de>
3262
3263         * passes.c (execute_function_todo): Remove dead code.
3264
3265 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3266
3267         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3268         the internal register number, for any "real" register.
3269
3270 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3271
3272         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3273         correct numbers for TFHAR, TFIAR, TEXASR.
3274
3275 2019-05-02  Richard Biener  <rguenther@suse.de>
3276
3277         PR tree-optimization/89653
3278         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3279         update-address-taken before the pass.
3280         * passes.def (pass_tree_loop_init): Put comment before it.
3281
3282 2019-05-02  Richard Biener  <rguenther@suse.de>
3283
3284         PR tree-optimization/89509
3285         * tree-ssa-structalias.c (compute_dependence_clique): Look
3286         at the first subvar when determining whether it is restrict.
3287
3288 2019-05-02  Richard Biener  <rguenther@suse.de>
3289
3290         PR tree-optimization/90273
3291         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3292         useless debug stmts.
3293
3294 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3295
3296         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3297         ACLE branch.
3298         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3299         SVE ACLE branch.
3300         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3301         VEC_COND_EXPR be inserted to emulate a conditional internal function.
3302         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3303         (vectorizable_reduction): Use the functions above to vectorize in a
3304         fully masked loop codes that don't have a conditional internal
3305         function.
3306
3307 2019-05-02  Martin Liska  <mliska@suse.cz>
3308
3309         * cgraphclones.c: Call valid_attribute_p with 1 for
3310         target_clone.
3311         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3312         it's for target attribute.
3313         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3314         Add new boolean argument.
3315         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3316         Likewise.
3317         (ix86_valid_target_attribute_tree): Pass target_clone_attr
3318         to ix86_valid_target_attribute_inner_p.
3319         (ix86_valid_target_attribute_p): Pass flags argument to
3320         ix86_valid_target_attribute_inner_p.
3321         (get_builtin_code_for_version): Use 0 as it's target attribute.
3322
3323 2019-05-02  Martin Liska  <mliska@suse.cz>
3324
3325         * gcc.c (process_command): Add dummy file only
3326         if n_infiles == 0.
3327         * opts-global.c (decode_options): Pass lang_mask.
3328         * opts.c (print_help): New function.
3329         (finish_options): Print --help if help_option_argument
3330         is set.
3331         (common_handle_option): Factor out content of OPT__help_
3332         into print_help.
3333         * opts.h (finish_options): Add new argument.
3334
3335 2019-05-02  Martin Liska  <mliska@suse.cz>
3336
3337         PR target/88809
3338         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3339         With -minline-all-stringops use inline expansion using 4B loop.
3340         * doc/invoke.texi: Document the change of
3341         -minline-all-stringops.
3342
3343 2019-05-01  Jeff Law  <law@redhat.com>
3344
3345         PR tree-optimization/88797
3346         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3347         PHI feeds a conditional on the RHS of an assignment.
3348
3349 2019-04-30  Andrew Waterman  <andrew@sifive.com>
3350             Jim Wilson  <jimw@sifive.com>
3351
3352         * config/riscv/constraints.md (L): New.
3353         * config/riscv/predicates.md (lui_operand): New.
3354         (sfb_alu_operand): New.
3355         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3356         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3357         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3358         * config/riscv/risc.md (type): Add sfb_alu.
3359         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
3360         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
3361         (branch_zero<mode>): Delete.
3362         (mov<mode>cc): New.
3363         (mov<GPR:mode><X:mode>cc): Likewise.
3364         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
3365
3366 2019-04-30  Nathan Sidwell  <nathan@acm.org>
3367
3368         * tree.h (MARK_TS_EXP): New.
3369
3370 2019-04-30  Martin Liska  <mliska@suse.cz>
3371
3372         * opts.c (enable_warning_as_error): Provide hints
3373         for unknown options.
3374
3375 2019-04-30  Martin Liska  <mliska@suse.cz>
3376
3377         PR debug/90288
3378         * doc/invoke.texi: Add missing dash for gas-locview-support
3379         and gno-as-locview-support.
3380
3381 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3382
3383         PR target/89093
3384         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3385         whitespace at the start of target attribute string.
3386
3387 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3388
3389         PR target/86538
3390         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3391         Define __ARM_FEATURE_ATOMICS.
3392
3393 2019-04-30  Martin Liska  <mliska@suse.cz>
3394
3395         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3396         into built_in_function enum. Remove code for endp == 2 and
3397         use BUILT_IN_* constants.
3398         (gimple_fold_builtin): Call the function with fcode.
3399
3400 2019-04-30  Martin Liska  <mliska@suse.cz>
3401
3402         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3403         DECL_FUNCTION_CODE into ix86_builtins enum before
3404         the switch statement.
3405
3406 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3407
3408         PR tree-optimization/89475
3409         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3410         calls.
3411
3412 2019-04-30  Martin Liska  <mliska@suse.cz>
3413
3414         PR translation/90274
3415         * opts.c (print_filtered_help): Wrap string in _(...).
3416
3417 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3418
3419         PR tree-optimization/90240
3420         Revert:
3421         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3422
3423         PR tree-optimization/90078
3424         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3425         checks for infinite_cost overflow.
3426
3427 2019-04-29  Jeff Law  <law@redhat.com>
3428
3429         * passes.def: Move -Wrestrict pass after copy propagation.
3430
3431 2019-04-29  Maya Rashish  <coypu@sdf.org>
3432
3433         * config.gcc (default_gnu_indirect_function): Default to yes
3434         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3435         sparc*-*-netbsd*, x86_64-*-netbsd*.
3436
3437 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3438
3439         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3440         where cond2 is NE_EXPR.
3441         (is_value_included_in): Update comment.
3442
3443 2019-04-29  Richard Biener  <rguenther@suse.de>
3444
3445         PR tree-optimization/90278
3446         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3447         EH on comparison simplification.
3448
3449 2019-04-29  Jason Merrill  <jason@redhat.com>
3450
3451         PR c++/82081 - tail call optimization breaks noexcept
3452         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3453         nothrow function to a might-throw function into a tail call.
3454
3455 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3456
3457         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3458         (DDR_INNER_LOOP): Likewise.
3459         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3460         (initialize_data_dependence_relation): Likewise.
3461         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3462
3463 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3464
3465         PR rtl-optimization/90257
3466         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3467         return value.
3468
3469         Revert the revert:
3470         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3471
3472         PR target/90178
3473         Revert:
3474         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3475
3476         Revert the revert:
3477         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3478
3479         Revert:
3480         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3481
3482         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3483
3484 2019-04-29  Richard Biener  <rguenther@suse.de>
3485
3486         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3487         rhs issue a reset.
3488
3489 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3490
3491         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3492         varasm.h, and netbsd-protos.h.
3493
3494 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3495
3496         PR target/89261
3497         * config/i386/i386-protos.h (ix86_data_alignment): Change
3498         the second argument type to unsigned int.
3499         * config/i386/i386.c (ix86_data_alignment): Change "align"
3500         argument type to unsigned int.
3501
3502 2019-04-27  Martin Liska  <mliska@suse.cz>
3503
3504         PR middle-end/90258
3505         * opt-suggestions.c (option_proposer::build_option_suggestions):
3506         When get_valid_option_values returns empty values, add the
3507         misspelling candidate.
3508
3509 2019-04-26  Jim Wilson  <jimw@sifive.com>
3510
3511         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3512         parameter.
3513         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3514         Pass orig_mode to riscv_build_integer.
3515         (riscv_split_integer): Pass mode to riscv_move_integer.
3516         (riscv_legitimize_const_move): Likewise.
3517         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3518         promoted_mode.  Replace force_reg call with code to load constant into
3519         promoted reg and then subreg it for the store.
3520         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3521         riscv_move_integer.
3522
3523 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3524
3525         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3526         corrupt codes.
3527
3528 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3529
3530         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3531         commentary about the encoding of precision.
3532
3533 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3534
3535         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3536         * config/i386/t-freebsd64: New file.
3537         * config.gcc: Add the t-freebsd64 for multilib support.
3538
3539 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3540
3541         * doc/extend.texi (vector_size): Add missing comma after @xref.
3542
3543 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3544
3545         * BASE-VER: Set to 10.0.0.
3546
3547 2019-04-25  Richard Biener  <rguenther@suse.de>
3548
3549         PR middle-end/89765
3550         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3551         VIEW_CONVERT_EXPR into one operating on an rvalue.
3552
3553 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3554
3555         PR target/89929
3556         * config/i386/i386.c (feature_priority): Moved to file scope.
3557         (processor_features): Likewise.
3558         (processor_model): Likewise.
3559         (_arch_names_table): Likewise.
3560         (arch_names_table): Likewise.
3561         (_feature_list): Removed.
3562         (feature_list): Likewise.
3563         (_isa_names_table): Moved to file scope.  Add priority.
3564         (isa_names_table): Likewise.
3565         (get_builtin_code_for_version): Replace feature_list with
3566         isa_names_table.  Update error message for P_ZERO priority.
3567
3568 2019-04-25  Richard Biener  <rguenther@suse.de>
3569
3570         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3571         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3572
3573 2019-04-24  Jeff Law  <law@redhat.com>
3574
3575         PR tree-optimization/90037
3576         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3577         * passes.def: Replace all instance of phi-only cprop with the
3578         lattice propagator.  Move propagation pass from after erroneous
3579         path isolation to before erroneous path isolation.
3580         * tree-ssa-phionlycprop.c: Remove.
3581
3582 2019-04-24  Richard Biener  <rguenther@suse.de>
3583
3584         PR middle-end/90213
3585         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3586         by size and BITS_PER_UNIT on poly-wide-ints.
3587
3588 2019-04-25  Richard Biener  <rguenther@suse.de>
3589
3590         PR middle-end/90194
3591         * match.pd: Add pattern to simplify view-conversion of an
3592         empty constructor.
3593
3594 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3595
3596         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3597         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3598         for Go on 32 bit AIX.
3599         * config/rs6000/aix72.h: Likewise.
3600
3601 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3602
3603         PR target/90193
3604         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3605         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3606
3607 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3608
3609         PR target/89952
3610         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3611         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3612         for restored hard frame pointer.
3613         (s390_sched_dependencies_evaluation): Implement new target hook.
3614         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3615
3616 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3617
3618         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3619         * config/arc/arc.c (arc_init): Cleanup warning message.
3620         (arc_override_options): Likewise.
3621
3622 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3623
3624         PR target/90187
3625         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3626         a register if both if_true and if_false are MEMs.
3627
3628         PR tree-optimization/90208
3629         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3630         after labels of new_bb, not before them.
3631
3632         PR tree-optimization/90211
3633         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3634         which are not SSA_NAMEs.
3635
3636 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3637
3638         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3639         AArch64.
3640         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3641
3642 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3643
3644         PR rtl-optimization/87979
3645         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3646         not equal zero.
3647
3648 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3649
3650         PR rtl-optimization/84032
3651         * modulo-sched.c (ps_insn_find_column): Change condition so that
3652         branch will always be the last insn in a row inside partial
3653         schedule.
3654
3655 2019-04-23  Richard Biener  <rguenther@suse.de>
3656
3657         PR debug/90131
3658         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3659         dest_single_pred_p argument.
3660         (remove_forwarder_block): Adjust.
3661         (remove_forwarder_block_with_phi): Likewise.
3662
3663 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3664             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3665             Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR target/89093
3668         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3669         if used with general-regs-only.
3670         (arm_conditional_register_usage): Don't add non-general regs if
3671         general-regs-only.
3672         (arm_valid_target_attribute_rec): Handle general-regs-only.
3673         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3674         general-regs-only.
3675         (TARGET_HARD_FLOAT_SUB): Define.
3676         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3677         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3678         (TARGET_REALLY_IWMMXT2): Likewise.
3679         * config/arm/arm.opt: Add -mgeneral-regs-only.
3680         * doc/extend.texi: Document ARM general-regs-only target.
3681         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3682
3683 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3684
3685         PR tree-optimization/90078
3686         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3687         checks for infinite_cost overflow.
3688
3689 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3690
3691         PR tree-optimization/90021
3692         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3693         and check univariate against it.
3694         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3695         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3696
3697 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3698
3699         PR target/90178
3700         Revert:
3701         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3702
3703         Revert the revert:
3704         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3705
3706         Revert:
3707         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3708
3709         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3710
3711 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3712
3713         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3714         names using operand format, rather than hard-wired.
3715         (speculation_barrier): Likewise.
3716
3717 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3718
3719         PR tree-optimization/88055
3720         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3721         (gen_one_condition): Use it if !HONOR_NANS.
3722
3723 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3724
3725         PR middle-end/90139
3726         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3727         assign_temp instead of gen_reg_rtx.
3728
3729 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3730
3731         PR translation/90118
3732         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3733         Add missing space before %<.
3734
3735 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3736
3737         PR rtl-optimization/87871
3738         * ira-lives.c (make_object_dead): Don't add conflicts to
3739         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3740
3741 2019-04-18  Martin Sebor  <msebor@redhat.com>
3742
3743         PR middle-end/89797
3744         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3745         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3746         assuming type size fits in SHWI.
3747
3748 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3749
3750         PR ipa/85051
3751         * ipa-inline.c (flatten_function): New parameter UPDATE.
3752         (ipa_inline, early_inliner): Use it.
3753
3754 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3755
3756         * fold-const.c (int_const_binop): Return early on failure.
3757
3758 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3759
3760         PR middle-end/85164
3761         * combine.c (force_int_to_mode): Cast the argument rather than
3762         the result of known_alignment.
3763         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3764
3765 2019-04-18  Richard Biener  <rguenther@suse.de>
3766
3767         PR debug/90131
3768         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3769         out from ...
3770         (remove_forwarder_block): ... here.
3771         (remove_forwarder_block_with_phi): Also move debug stmts here.
3772
3773 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3774
3775         PR translation/79183
3776         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3777         inform where appropriate.
3778
3779 2019-04-18  Richard Biener  <rguenther@suse.de>
3780
3781         * tree.c (get_qualified_type): Put found type variants at the
3782         head of the variant list.
3783
3784 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3785
3786         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3787
3788 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3789
3790         PR target/90125
3791         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3792         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3793         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3794         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3795         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3796
3797 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3798
3799         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3800         even for allocno's with no conflicts.
3801         (print_conflicts): Print an extra newline.
3802
3803 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3804
3805         * auto-inc-dec.c (attempt_change): Set the alignment of the
3806         temporary memory to that of the original.
3807
3808 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3809
3810         * targhooks.c (default_print_patchable_function_entry): Emit
3811         __patchable_function_entries section with writable flags to allow
3812         relocation resolution.
3813
3814 2019-04-17  Jonny Grant  <jg@jguk.org>
3815
3816         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3817
3818 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3819
3820         PR middle-end/90095
3821         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3822         on lowpart SUBREGs.
3823
3824 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3825
3826         * config/arc/arc.c (arc_init): Format diagnostic string.
3827         (arc_override_options): Likewise.
3828         (check_if_valid_regno_const): Likewise.
3829         (arc_reorg): Likewise.
3830
3831 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3832
3833         PR target/17108
3834         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3835         name.
3836         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3837         name.
3838         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3839         (*movdi_update1): Use Pmode.
3840         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3841         (movdi_<mode>_update_stack): Rename to ...
3842         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3843         use Pmode.
3844         (*movsi_update1): Use Pmode.
3845         (*movsi_update2): Use Pmode.
3846         (movsi_update): Rename to ...
3847         (movsi_<mode>_update): ... this.  Use Pmode.
3848         (movsi_update_stack): Fix condition.
3849         (*movhi_update1): Use Pmode.  Fix argument to
3850         avoiding_indexed_address_p.
3851         (*movhi_update2): Ditto.
3852         (*movhi_update3): Ditto.
3853         (*movhi_update4): Ditto.
3854         (*movqi_update1): Ditto.
3855         (*movqi_update2): Ditto.
3856         (*movqi_update3): Ditto.
3857         (*movsf_update1, *movdf_update1): Merge, rename to...
3858         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3859         avoiding_indexed_address_p.  Add "size" attribute.
3860         (*movsf_update2, *movdf_update2): Merge, rename to...
3861         (*mov<mode>_update2): This.  Ditto.
3862         (*movsf_update3): Use Pmode.  Fix argument to
3863         avoiding_indexed_address_p.
3864         (*movsf_update4): Ditto.
3865         (allocate_stack): Simplify condition.  Adjust pattern names.
3866
3867 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3868
3869         PR target/89093
3870         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3871         whitespace at the start of target attribute string.
3872
3873 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3874
3875         PR target/84369
3876         * config/rs6000/power9.md: Add store forwarding bypass.
3877
3878 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3879
3880         PR debug/89528
3881         * valtrack.c (dead_debug_insert_temp): Reset debug references
3882         to the return value of a call being removed.
3883
3884 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3885
3886         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3887         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3888         implement target hook.
3889         (arc_memory_move_cost): New function.
3890         (TARGET_REGISTER_MOVE_COST): Define.
3891         (TARGET_MEMORY_MOVE_COST): Likewise.
3892         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3893         (MEMORY_MOVE_COST): Likewise.
3894
3895 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3896
3897         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3898         (sibcall_value_insn): Likewise.
3899         * config/arc/constraints.md (Rs5): Remove.
3900
3901 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3902
3903         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3904         for last two fake registers.
3905         (arc_conditional_register_usage): Make sure fake frame and arg
3906         pointer regs are in general regs class.
3907         (FRAME_POINTER_MASK): Remove.
3908         (RETURN_ADDR_MASK): Remove.
3909         (arc_must_save_register): Use hard frame regnum.
3910         (frame_restore_reg): Use hard_frame_pointer_rtx.
3911         (arc_save_callee_saves): Likewise.
3912         (arc_restore_callee_saves): Likewise.
3913         (arc_save_callee_enter): Likewise.
3914         (arc_restore_callee_leave): Likewise.
3915         (arc_save_callee_milli): Likewise.
3916         (arc_eh_return_address_location): Likewise.
3917         (arc_check_multi): Use hard frame regnum.
3918         (arc_can_eliminate): Likewise.
3919         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3920         for register allocator.
3921         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3922         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3923         (FRAME_POINTER_REGNUM): Change it to a fake register.
3924         (HARD_FRAME_POINTER_REGNUM): Defined.
3925         (ARG_POINTER_REGNUM): Change it to a new fake register.
3926         (ELIMINABLE_REGS): Update.
3927         (REGISTER_NAMES): Update names.
3928         * config/arc/arc.md (LP_START): Remove.
3929         (LP_END): Likewise.
3930         (shift_si3_loop): Update pattern.
3931
3932 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3933
3934         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3935         to avoid delay slot scheduling.
3936         (arc_must_save_register): Don't save SP.
3937         * config/arc/arc.md (stack_tie): Remove.
3938         (UNSPEC_ARC_STKTIE): Likewise.
3939
3940 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3941             Shiva Chen  <shiva0217@gmail.com>
3942
3943         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3944         code gen with large shift amount.
3945
3946 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3947
3948         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3949         subreg.
3950
3951 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR target/90096
3954         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3955         print -m64/-mx32/-m32 if it is true.
3956         (ix86_debug_options, ix86_function_specific_print): Pass true as
3957         ADD_ABI_P to ix86_target_string.
3958         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3959         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3960         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3961
3962         PR rtl-optimization/90082
3963         * dce.c (can_delete_call): New function.
3964         (deletable_insn_p, mark_insn): Use it.
3965
3966         PR tree-optimization/90090
3967         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3968         throw internally.
3969         (is_division_by_square): Likewise.  Formatting fix.
3970
3971 2019-04-16  Richard Biener  <rguenther@suse.de>
3972
3973         PR tree-optimization/56049
3974         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3975         equality check if alias-set zero will prevail.
3976
3977 2019-04-15  Jeff Law  <law@redhat.com>
3978
3979         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3980         size and alignment as unsigned.
3981
3982 2019-04-15  Richard Biener  <rguenther@suse.de>
3983
3984         PR debug/90074
3985         * tree-loop-distribution.c (destroy_loop): Preserve correct
3986         debug info.
3987
3988 2019-04-15  Richard Biener  <rguenther@suse.de>
3989
3990         PR tree-optimization/90071
3991         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3992         abnormal operands from def stmts.
3993
3994 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3995
3996         PR rtl-optimization/89794
3997         * combine.c (count_auto_inc): New function.
3998         (try_combine): Count how many auto_inc expressions there were in the
3999         original instructions.  Ensure we have the same number in the new
4000         instructions.  Remove the code that tried to ensure auto_inc side
4001         effects on i1 and i0 are not lost.
4002
4003 2019-04-15  Richard Biener  <rguenther@suse.de>
4004
4005         PR ipa/88936
4006         * tree.h (auto_var_p): Declare.
4007         * tree.c (auto_var_p): New function, split out from ...
4008         (auto_var_in_fn_p): ... here.
4009         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4010         member.
4011         (new_var_info): Initialize it.
4012         (set_uids_in_ptset): Also set the shadow variable uid if required.
4013         (ipa_pta_execute): Postprocess points-to solutions assigning
4014         shadow variable uids for locals that may reach their containing
4015         function recursively.
4016         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4017         assert but instead check whether the points-to solution is
4018         a singleton.
4019
4020 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4021
4022         PR ipa/pr89693
4023         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4024         the thunk chain.
4025
4026 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4027
4028         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4029
4030 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4031             Kito Cheng  <kito.cheng@gmail.com>
4032             Shiva Chen  <shiva0217@gmail.com>
4033
4034         * config/nds32/nds32-md-auxiliary.c
4035         (nds32_legitimize_pic_address): Use new PIC pattern.
4036         (nds32_legitimize_tls_address): Use new TLS pattern.
4037         (nds32_output_symrel): New.
4038         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4039         (nds32_alloc_relax_group_id): Ditto.
4040         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4041         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4042         relax_group_id.
4043         (nds32_group_tls_insn): Ditto.
4044         (nds32_group_float_insns): Ditto.
4045         * config/nds32/nds32.md (tls_le): New.
4046         (sym_got): Ditto.
4047
4048 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4049
4050         * configure: Add nds32 target for dwarf2 debug_line checking.
4051         * configure.ac: Regenerated.
4052
4053 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4054
4055         PR lto/89358
4056         * ipa-devirt.c (skip_in_fields_list_p): New.
4057         (odr_types_equivalent_p): Use it.
4058
4059 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4060
4061         PR target/89093
4062         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4063         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4064
4065 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4066
4067         * doc/install.texi: Document --with-target-system-zlib.
4068
4069 2019-04-12  Martin Sebor  <msebor@redhat.com>
4070
4071         PR c/88383
4072         PR c/89288
4073         PR c/89798
4074         PR c/89797
4075         * targhooks.c (default_vector_alignment): Avoid assuming
4076         argument fits in SHWI.
4077         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4078         a shift expression.
4079         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4080
4081 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4082
4083         PR rtl-optimization/89965
4084         * dce.c: Include rtl-iter.h.
4085         (struct check_argument_load_data): New type.
4086         (check_argument_load): New function.
4087         (find_call_stack_args): Check for loads from stack slots still tracked
4088         in sp_bytes and punt if any is found.
4089
4090         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4091
4092 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4093
4094         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4095         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4096
4097 2019-04-12  Martin Liska  <mliska@suse.cz>
4098
4099         PR middle-end/89970
4100         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4101         in error message.
4102         (separate_attrs): Handle multiple 'default's.
4103         (expand_target_clones): Rework error handling code.
4104
4105 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4106
4107         PR target/87532
4108         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4109         mode of vector rather than mode of destination for move instruction.
4110         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4111         Use QI inner mode with V16QI vector mode.
4112
4113 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4114
4115         PR target/52726
4116         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4117         "invalid %%t operand" in output_operand_lossage message.
4118
4119 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4120
4121         * config/s390/predicates.md (permute_pattern_operand): New
4122         predicate.
4123         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4124         operand for the permute pattern.
4125         ("*vec_perm<mode>"): New insn definition.
4126         ("bswap<mode>"): Generate the permute pattern operand in the
4127         expander and perform the operand reloads for pre arch13 level
4128         already.
4129         ("*bswap<mode>_emu"): Rename to ...
4130         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4131         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4132         Add the USE operand for the permute pattern.
4133         ("*vec_set_bswap_vec<mode>"): Likewise.
4134
4135 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4136
4137         PR c/89946
4138         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4139         and gcc_unreachable if it fails, just call tree_to_uhwi which
4140         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4141         Start warning message with a lower-case letter.  Formatting fixes.
4142
4143         PR rtl-optimization/90026
4144         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4145         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4146         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4147         in cfglayout mode, use emit_barrier_after_bb.
4148
4149 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4150
4151         PR rtl-optimization/87763
4152         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4153         New Instruction.
4154
4155 2019-04-11  Tom de Vries  <tdevries@suse.de>
4156
4157         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4158         max macro using statement expression.
4159
4160 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4161
4162         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4163         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4164         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4165         read_only_private_data_section using xcoff_private_rodata_section_name.
4166         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4167
4168 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4169
4170         PR target/90016
4171         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4172
4173 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4174
4175         PR rtl-optimization/89965
4176         * dce.c (sp_based_mem_offset): New function.
4177         (find_call_stack_args): Use sp_based_mem_offset.
4178
4179 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4180
4181         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4182
4183 2019-04-11  Richard Biener  <rguenther@suse.de>
4184
4185         PR tree-optimization/90020
4186         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4187         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4188         * tree-ssa-pre.c (compute_avail): Use it to not put
4189         possibly trapping references after a call that might not
4190         return into EXP_GEN.
4191         * gcse.c (compute_hash_table_work): Do not elide
4192         marking a block containing a call if the call might not
4193         return.
4194
4195 2019-04-11  Richard Biener  <rguenther@suse.de>
4196
4197         PR tree-optimization/90018
4198         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4199         Test both SLP and interleaving variants.
4200
4201 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4202
4203         * config/s390/8561.md: New file.
4204         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4205         Add arch13 cpu model.
4206         * config/s390/s390-opts.h (enum processor_type): Likewise.
4207         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4208         (s390_get_unit_mask): Likewise.
4209         (s390_is_fpd): Likewise.
4210         (s390_is_fxd): Likewise.
4211         * config/s390/s390.h (s390_tune_attr): Likewise.
4212         * config/s390/s390.md: Include arch13 pipeline description.
4213         * config/s390/s390.opt: Add arch13.
4214
4215 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4216
4217         PR rtl-optimization/87763
4218         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4219         New prototype.
4220         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4221         New function.
4222         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4223         New instruction.
4224         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4225         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4226         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4227         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4228
4229 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4230
4231         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4232         "Although" in -fipa-icf documentation.
4233
4234         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4235         of using multiple -g options.
4236
4237 2019-04-10  Martin Liska  <mliska@suse.cz>
4238
4239         PR gcov-profile/89959
4240         * doc/gcov.texi: Make documentation of -x option
4241         more precise.
4242
4243 2019-04-10  Richard Biener  <rguenther@suse.de>
4244
4245         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4246         member.
4247         (DR_GROUP_SAME_DR_STMT): Remove.
4248         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4249         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4250         replace with assert.
4251         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4252         (vect_record_grouped_load_vectors): Remove unreachable code.
4253
4254 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4255
4256         PR target/90016
4257         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4258         obsolete reference to N.
4259
4260 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4261
4262         PR middle-end/90025
4263         * expr.c (store_expr): Set properly size on the MEM passed to
4264         clear_storage.
4265
4266         PR c++/90010
4267         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4268         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4269         translation is needed, and when translation is needed, only append
4270         ... if the string length is hostsz or more bytes long.  Avoid using
4271         strncpy or strcat.
4272
4273 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4274
4275         PR target/90024
4276         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4277         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4278         into three.
4279         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4280         differences directly.
4281         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4282
4283 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4284
4285         PR translation/90011
4286         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4287         from diagnostics.
4288         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4289         diagnostics.
4290         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4291         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4292         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4293         trailing space from -gsplit-dwarf diagnostics.
4294
4295         PR tree-optimization/89998
4296         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4297         instead of integer_type_node if possible, don't add ranges if return
4298         type is not compatible with int.
4299         * gimple-fold.c (gimple_fold_builtin_sprintf,
4300         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4301         integer_type_node.
4302
4303 2019-04-09  Martin Liska  <mliska@suse.cz>
4304
4305         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4306         * doc/install.texi: Document the new config.
4307
4308 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
4309
4310         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4311         use gimple_expr_type for load and store calls.  Skip over the
4312         condition argument in a conditional internal function.
4313         Protect use of TREE_INT_CST_LOW.
4314
4315 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4316
4317         PR target/90015
4318         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4319         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
4320         trailing period from it too.
4321
4322 2019-04-08  wu yuan  <wuyuan5@huawei.com>
4323
4324         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4325         * config/aarch64/aarch64.md : Add "tsv110.md"
4326         * config/aarch64/tsv110.md: New file.
4327
4328 2019-04-08  Richard Biener  <rguenther@suse.de>
4329
4330         PR tree-optimization/90006
4331         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4332         calls like lrint.
4333
4334 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
4335
4336         PR target/83033
4337         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4338         construction.
4339         (fma_root_node): Likewise.
4340         (func_fma_steering): Likewise.
4341
4342 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
4343
4344         PR rtl-optimization/89865
4345         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4346
4347         PR rtl-optimization/89865
4348         * config/i386/i386.md
4349         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4350         numbers not to clash with the additional operands[4].
4351         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4352         with extra register copy in the middle.
4353
4354 2019-04-08  Martin Liska  <mliska@suse.cz>
4355
4356         PR gcov-profile/89961
4357         * doc/gcov.texi: Document data_file.
4358         * gcov.c (generate_results): Add data_info into JSON output.
4359
4360 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
4361
4362         PR tree-optimization/89725
4363         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
4364         loop's chrec as invariant symbol.
4365         * tree-chrec.h (chrec_contains_symbols): New parameter.
4366         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4367         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4368         function of loops not in DDR's loop_nest.
4369         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4370
4371 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
4372
4373         PR target/89623
4374         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4375         Mask.
4376
4377 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4378
4379         PR target/89945
4380         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4381         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4382
4383 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4384
4385         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4386         targetm.fixed_condition_code_regs.
4387
4388 2019-04-05  Richard Biener  <rguenther@suse.de>
4389
4390         PR debug/89892
4391         PR debug/89905
4392         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4393         debug bind stmts but reset them if they are not valid at the
4394         destination.
4395
4396 2019-04-05  Martin Liska  <mliska@suse.cz>
4397
4398         PR translation/89936
4399         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4400         order to wrap keywords or arguments.
4401         * collect2.c (main): Likewise.
4402         (scan_prog_file): Likewise.
4403         (scan_libraries): Likewise.
4404         * common/config/riscv/riscv-common.c
4405         (riscv_subset_list::parsing_subset_version): Likewise.
4406         (riscv_subset_list::parse_std_ext): Likewise.
4407         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4408         Likewise.
4409         * config/arm/arm.c (arm_option_override): Likewise.
4410         * config/cris/cris.c (cris_print_operand): Likewise.
4411         * config/darwin-c.c (darwin_pragma_options): Likewise.
4412         (darwin_pragma_unused): Likewise.
4413         (darwin_pragma_ms_struct): Likewise.
4414         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4415         * config/i386/i386.c (print_reg): Likewise.
4416         (ix86_print_operand): Likewise.
4417         * config/i386/xm-djgpp.h: Likewise.
4418         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4419         * config/m32c/m32c.c (m32c_option_override): Likewise.
4420         * config/msp430/msp430.c (msp430_option_override): Likewise.
4421         * config/nds32/nds32.c (nds32_option_override): Likewise.
4422         * config/nvptx/mkoffload.c (main): Likewise.
4423         * config/rx/rx.c (rx_print_operand): Likewise.
4424         (valid_psw_flag): Likewise.
4425         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4426         (vms_pragma_nomember_alignment): Likewise.
4427         (vms_pragma_extern_model): Likewise.
4428         * lto-wrapper.c (compile_offload_image): Likewise.
4429         * omp-offload.c (oacc_parse_default_dims): Likewise.
4430         * symtab.c (symtab_node::verify_base): Likewise.
4431         * tlink.c (recompile_files): Likewise.
4432         (start_tweaking): Likewise.
4433         * tree-profile.c (parse_profile_filter): Likewise.
4434
4435 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4436
4437         PR tree-optimization/89956
4438         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4439         multiple negates of the same value.
4440
4441 2019-04-04  Martin Sebor  <msebor@redhat.com>
4442
4443         PR middle-end/89957
4444         PR middle-end/89911
4445         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4446         have the same precision since the function crashes otherwise.
4447         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4448         has non-zero arguments.
4449
4450 2019-04-04  Martin Sebor  <msebor@redhat.com>
4451
4452         PR middle-end/89934
4453         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4454         out if the number of arguments is less than expected.
4455
4456 2019-04-04  Jeff Law  <law@redhat.com>
4457
4458         PR rtl-optimization/89399
4459         * ree.c (combine_set_extension): Use single_set rather than
4460         digging into PATTERN for items on the candidate list.
4461         (combine_reaching_defs): Likewise.
4462
4463 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4464
4465         PR rtl-optimization/46590
4466         * loop-invariant.c (find_defs): Move df_remove_problem and
4467         df_process_deferred_rescans to move_invariants.
4468         Move df_live_add_problem and df_live_set_all_dirty calls
4469         to move_invariants.
4470         (move_invariants): Likewise.
4471         (move_loop_invariants): Likewise, making the df_live calls
4472         conditional on -O.  Remove the problem again if we added it
4473         locally.
4474
4475 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4476
4477         PR tree-optimization/89730
4478         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4479         -flive-patching=inline-only-static.
4480         (can_inline_edge_by_limits_p): Add the checking for
4481         -flive-patching=inline-only-static and grant always_inline
4482         even when -flive-patching=inline-only-static is specified.
4483
4484 2019-04-03  Jeff Law  <law@redhat.com>
4485
4486         PR rtl-optimization/81025
4487         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4488
4489 2019-04-03  Richard Biener  <rguenther@suse.de>
4490
4491         PR tree-optimization/84101
4492         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4493         regs.h for hard_regno_nregs.
4494         (cfun_returns): New helper.
4495         (vect_model_store_cost): When vectorizing a store to a decl
4496         we return and the function ABI returns in a multi-reg location
4497         account for the possible spilling that will happen.
4498
4499 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4500
4501         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4502         displacement addresses for vector mode operands.
4503
4504 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4505
4506         * config/arc/arc.c (GMASK_LEN): Define.
4507         (arc_restore_callee_saves): Restore first blink when
4508         !optimize_size.
4509
4510 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4511
4512         * doc/extend.texi: Add deprecated comment on sign-return-address
4513         function attribute and add mbranch-protection.
4514         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4515
4516 2019-04-03  Richard Biener  <rguenther@suse.de>
4517
4518         PR lto/89896
4519         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4520         the all target phony.
4521
4522 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4523
4524         PR target/89902
4525         PR target/89903
4526         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4527         Return false for variable DImode shifts.
4528         (dimode_scalar_chain::compute_convert_gain): Do not handle
4529         register count operand in variable DImode shifts.
4530         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4531         count argument of a variable shift instruction to a vector register.
4532         (dimode_scalar_chain::convert_reg): Remove support to convert
4533         count argument of a variable shift instruction.
4534
4535 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4536
4537         PR rtl-optimization/84206
4538         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4539         iterating over loop headers.
4540
4541 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4542
4543         PR rtl-optimization/85876
4544         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4545         beyond the original fence.
4546
4547 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4548
4549         * config.gcc: Mark spu* targets as deprecated/obsolete.
4550
4551 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4552
4553         * config/s390/s390-builtin-types.def: New builtin function type
4554         definitions. Remove unused types.
4555         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4556         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4557         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4558         overloaded builtins.
4559         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4560         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4561         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4562         (vec_double, vec_signed, vec_unsigned): Define to use the new
4563         overloaded builtins.
4564         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4565         Remove expanders.
4566
4567 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4568
4569         * config/s390/s390-builtin-types.def: New builtin function type
4570         definitions.
4571         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4572         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4573         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4574         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4575         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4576         constant definitions.
4577         * config/s390/vecintrin.h (vec_search_string_cc)
4578         (vec_search_string_until_zero_cc): New builtin name definitions.
4579         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4580         expanders.
4581         ("vec_vstrs<mode>"): New insn definition.
4582
4583 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4584
4585         * config/s390/s390-builtin-types.def: Add new builtin function
4586         types.
4587         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4588         New overloaded builtins.
4589         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4590         s390_vsrd.
4591         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4592         (UNSPEC_VEC_SLDBYTE): ... this.
4593         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4594         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4595         definitions.
4596         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4597         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4598         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4599
4600 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4601
4602         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4603         New insn definition.
4604         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4605         * config/s390/vector.md (V_HW_HSD): ... here.
4606
4607 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4608
4609         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4610         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4611         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4612         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4613         New insn definitions.
4614
4615 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4616
4617         * config/s390/s390-builtin-types.def: Add new builtin function type.
4618         * config/s390/s390-builtins.def: Add overloaded builtin
4619         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4620         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4621         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4622         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4623         ("eltswap<mode>"): New expander.
4624         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4625         insn definitions.
4626
4627 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4628
4629         * config/s390/s390-builtin-types.def: Add new builtin function types.
4630         * config/s390/s390-builtins.def: Add overloaded builtin
4631         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4632         instructions.
4633         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4634         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4635         ("bswap<mode>"): New expander.
4636         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4637
4638 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4639
4640         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4641         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4642         vector builtin version number in __VEC__.
4643
4644 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4645
4646         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4647         iterators.
4648         (SFSI): New mode attribute.
4649         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4650         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4651         rename to ...
4652         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4653         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4654         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4655         ("floatsi<mode>2"): Add wcefb instruction.
4656
4657 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4658
4659         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4660         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4661         mode iterators.
4662         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4663         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4664         support 32 bit fp-int conversions. Rename to ...
4665         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4666         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4667         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4668         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4669         ... to these.
4670
4671 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4672
4673         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4674         if-then-else constructs if we can use the select instruction.
4675         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4676
4677 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4678
4679         * config/s390/s390.md ("*popcountdi_arch13_cc")
4680         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4681         definition.
4682         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4683         Append _z196 to make it ...
4684         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4685         ("popcounthi2_z196"): ... this.
4686         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4687         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4688
4689 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4690
4691         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4692         certain compares for arch13 in order to make use of the condition
4693         code result produced by the new instructions.
4694         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4695         nxrk, and nxgrk instruction patterns.
4696         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4697         (inv_no): Add new code iterator together with some attributes.
4698         ("*andc_split_<mode>"): Disable splitter for arch13.
4699         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4700         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4701         ("*<ANDOR:bitops_name>c<GPR:mode>")
4702         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4703         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4704         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4705         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4706
4707 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4708
4709         * common/config/s390/s390-common.c (processor_flags_table): New
4710         entry for arch13.
4711         * config.gcc: Support arch13 with the --with-arch= configure flag.
4712         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4713         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4714         * config/s390/s390.c (s390_get_sched_attrmask)
4715         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4716         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4717         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4718         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4719         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4720         definitions.
4721         * config/s390/s390.opt: Support arch13 as processor type in
4722         command line options.
4723
4724 2019-04-02  Martin Liska  <mliska@suse.cz>
4725
4726         PR translation/89912
4727         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4728         Fix param description of graphite-max-arrays-per-scop.
4729
4730 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4731
4732         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4733         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4734         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4735
4736 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4737
4738         PR rtl-optimization/85412
4739         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4740         sel_sched_region_1, not after.
4741
4742 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4743
4744         PR rtl-optimization/86928
4745         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4746         compute_live if necessary.
4747         (sel_redirect_edge_and_branch): Likewise.
4748
4749 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4750
4751         PR rtl-optimization/89865
4752         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4753         register if it is a part of small class.
4754
4755 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4756
4757         PR rtl-optimization/87273
4758         * sel-sched-ir.c (merge_fences): Remove assert.
4759
4760 2019-04-01  Richard Biener  <rguenther@suse.de>
4761
4762         PR tree-optimization/46590
4763         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4764         (dom_walker::m_reachability): Add in place of...
4765         (dom_walker::m_skip_unreachable_blocks): ...this.
4766         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4767         Move complex initialization ...
4768         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4769         lazily and initialize edge flags on each invocation.
4770         (dom_walker::bb_reachable): Use m_reachability.
4771
4772 2019-04-01  Martin Liska  <mliska@suse.cz>
4773
4774         PR driver/89861
4775         * opt-suggestions.c (option_proposer::build_option_suggestions):
4776         Add variant without any argument in order to provide better
4777         hints.
4778
4779 2019-04-01  Richard Biener  <rguenther@suse.de>
4780
4781         PR c/71598
4782         * gimple.c: Include langhooks.h.
4783         (gimple_get_alias_set): Treat enumeral types as the underlying
4784         integer type.
4785
4786 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4787             Eric Botcazou  <ebotcazou@adacore.com>
4788
4789         PR rtl-optimization/89862
4790         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4791         that operates on the full registers for WORD_REGISTER_OPERATIONS
4792         architectures.
4793
4794 2019-03-29  Jim Wilson  <jimw@sifive.com>
4795
4796         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4797         Clear MASK_RVC and then set if C subset supported.
4798
4799 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4800
4801         PR c/89872
4802         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4803         non-addressable complit into its initializer if it is volatile.
4804
4805 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4806
4807         * opts-common.c (integral_argument): Set errno properly in one case.
4808
4809 2019-03-29  Martin Liska  <mliska@suse.cz>
4810
4811         * doc/invoke.texi: Remove -Wchkp from documentation.
4812
4813 2019-03-29  Martin Liska  <mliska@suse.cz>
4814
4815         * dbgcnt.c (print_limit_reach): New function.
4816         (dbg_cnt): Use it.
4817
4818 2019-03-29  Martin Liska  <mliska@suse.cz>
4819
4820         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4821         (dbg_cnt_process_opt): Parse first tokens aas
4822         dbg_cnt_process_single_pair is also using strtok.
4823
4824 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4825
4826         PR rtl-optimization/87485
4827         * function.c (expand_function_end): Move stack_protect_epilogue
4828         before loading of return value into hard register(s).
4829
4830 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4831
4832         PR middle-end/89621
4833         * tree-inline.h (struct copy_body_data): Add
4834         dont_remap_vla_if_no_change flag.
4835         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4836         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4837         and remap_type_2 returns false.
4838         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4839         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4840         only from where it is copied to nested contexts.
4841
4842 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4843
4844         PR target/89865
4845         * config/i386/i386.md (RMW operation with LEA peephole):
4846         Use LEAMODE mode attribute instead of SWI mode iterator for
4847         LEA pattern.
4848
4849 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4850
4851         PR target/89848
4852         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4853         Also process XEXP (src, 0) of a shift insn.
4854
4855 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4856
4857         PR middle-end/89725
4858         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4859         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4860
4861 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4862
4863         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4864         test.
4865         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4866         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4867         immediately after first one with df_analyze in between, but rather
4868         process all bbs, queueing ones that need second pass in a worklist,
4869         df_analyze, process queued debug insn changes and if second pass is
4870         needed, process bbs from worklist, df_analyze, process queued debug
4871         insns again.
4872
4873         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4874         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4875         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4876
4877 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4878
4879         PR c/79022
4880         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4881         definition.
4882
4883 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4884
4885         PR target/85667
4886         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4887         function for 32-bit MS_ABI.
4888         (function_value_ms_32): New function.
4889
4890 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4891
4892         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4893         (movdi): Call gen_movdi_symbol_save_scc.
4894         (gen_movdi_symbol_save_scc): New insn and split.
4895
4896 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4897
4898         PR rtl-optimization/89313
4899         * function.c (matching_constraint_num): New static function.
4900         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4901         Don't replace inputs with non-matching constraints which conflict
4902         with early clobber outputs.
4903
4904 2019-03-27  Jeff Law  <law@redhat.com>
4905
4906
4907         PR rtl-optimization/87761
4908         PR rtl-optimization/89826
4909         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4910         slightly later.
4911         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4912         note problem to get REG_DEAD/REG_UNUSED notes updated.
4913
4914 2019-03-27  Richard Biener  <rguenther@suse.de>
4915
4916         PR tree-optimization/89463
4917         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4918         queue edges to remove.
4919         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4920         dead stmts.  Delay edge removal until PHIs are removed to
4921         make debug-stmt creation not confused by seemingly degenerate
4922         PHIs.
4923
4924 2019-03-27  Alan Modra  <amodra@gmail.com>
4925
4926         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4927         throughout file.
4928         * config/rs6000/darwin.h: Likewise.
4929         * config/rs6000/rs6000.c: Likewise.
4930
4931 2019-03-27  Alan Modra  <amodra@gmail.com>
4932
4933         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4934         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4935
4936 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4937             Jim Wilson  <jimw@sifive.com>
4938
4939         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4940         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4941         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4942         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4943         (generic_alu): Add auipc to type list.
4944         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4945         (riscv_microarchitecture): Declare.
4946         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4947         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4948         field.
4949         (riscv_microarchitecture): New.
4950         (sifive_7_tune_info): New.
4951         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4952         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4953         entries.
4954         (riscv_store_data_bypass_p): New.
4955         (riscv_option_override): Set riscv_microarchitecture from
4956         cpu->microarchitecture.
4957         * config/riscv/riscv.md: Include sifive-7.md.
4958         (type): Add auipc.
4959         (tune): New.
4960         (auipc<mode>): Change type to auipc.
4961         (restore_stack_nonlocal): New.
4962         * config/riscv/sifive-7.md: New.
4963         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4964
4965 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4966
4967         PR target/89827
4968         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4969         Also process XEXP (src, 0) of a shift insn.
4970
4971 2019-03-26  Richard Biener  <rguenther@suse.de>
4972
4973         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4974         (copy_debug_stmt): Likewise.
4975         (expand_call_inline): Likewise.
4976         (copy_bb): Avoid redundant lookup & set of gimple_block.
4977         * gimple-low.c (lower_gimple_return): Likewise.
4978         (lower_builtin_setjmp): Likewise.
4979
4980 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4981
4982         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4983         is constant 0, turn into static const data member initialized to false.
4984         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4985         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4986
4987 2019-03-26  Jason Merrill  <jason@redhat.com>
4988             Jakub Jelinek  <jakub@redhat.com>
4989
4990         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4991         method.
4992         (mem_alloc_description::release_object_overhead): Fix comment typos.
4993         * hash-table.h (hash_table::~hash_table): Call
4994         release_instance_overhead only if m_entries is non-NULL, otherwise
4995         call unregister_descriptor.
4996
4997 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4998
4999         PR tree-optimization/81740
5000         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5001         In case of outer loop vectorization, check for backward dependence
5002         at the inner loop if outer loop dependence is reversed.
5003
5004 2019-03-26  Alan Modra  <amodra@gmail.com>
5005
5006         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5007         rs6000_vector_mem init.  Correct wI and wJ comment.
5008
5009 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5010
5011         PR rtl-optimization/88347
5012         PR rtl-optimization/88423
5013         * sched-deps.c (sched_analyze_insn): Take into account that for
5014         tablejumps the barrier appears after a label and a jump_table_data.
5015
5016 2019-03-25  Martin Sebor  <msebor@redhat.com>
5017
5018         PR c/89812
5019         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5020         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5021         convert it to UHWI when it fits.
5022
5023 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5024
5025         PR debug/86964
5026         * dwarf2out.c (premark_used_variables): New function.
5027         (prune_unused_types_walk): Do not mark not premarked external
5028         variables.
5029         (prune_unused_types): Call premark_used_variables.
5030
5031 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5032
5033         PR rtl-optimization/89676
5034         * lra-constraints.c (curr_insn_transform): Do match reload for
5035         early clobbers when the match was successful only for different
5036         registers.
5037
5038 2019-03-25  Martin Sebor  <msebor@redhat.com>
5039
5040         * doc/extend.texi (Common Type Attributes): Document vector_size.
5041         (Common Variable Attributes): Mention size constraint.  Correct
5042         quoting and typos.
5043         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5044         base type and size constraints.
5045
5046 2019-03-25  Richard Biener  <rguenther@suse.de>
5047
5048         PR tree-optimization/89789
5049         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5050         changes from non-undefined back to undefined.
5051
5052 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5053
5054         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5055         heap string and a gc string, but since this variable is unknown to
5056         ggc the gc string might get reused and corrupted. Fixed by always
5057         using a heap string.
5058
5059 2019-03-25  Richard Biener  <rguenther@suse.de>
5060
5061         PR tree-optimization/89779
5062         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5063         to remove IV defs, delay actual removal.
5064         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5065         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5066         very end, properly also reset loop control IV information.
5067
5068 2019-03-25  Richard Biener  <rguenther@suse.de>
5069
5070         PR tree-optimization/89802
5071         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5072         move EH data to folded stmt.
5073
5074 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5075
5076         * config/s390/s390-builtin-types.def: Remove few unused types and
5077         fix sort order for others.
5078
5079 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5080
5081         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5082         expected and found types with -mdebug during builtin matching.
5083
5084 2019-03-25  Richard Biener  <rguenther@suse.de>
5085
5086         PR middle-end/89790
5087         * fold-const.c (operand_equal_p): Revert last change with
5088         updated comment.
5089
5090 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5091
5092         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5093         notes for the result of the __tls_get_addr calls.
5094         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5095
5096 2019-03-24  Jeff Law  <law@redhat.com>
5097
5098         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5099
5100         PR rtl-optimization/87761
5101         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5102         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5103         as needed.
5104         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5105         rescans.  Reprocess blocks as needed, calling df_analyze before
5106         reprocessing.  Always call df_analyze before fixing up debug bind
5107         insns.
5108
5109 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5110
5111         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5112         big endian.
5113
5114 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5115
5116         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5117         attrribute for uxtw.
5118
5119 2019-03-26  Jeff Law  <law@redhat.com>
5120
5121         PR rtl-optimization/87761
5122         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5123         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5124         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5125         into the next instruction.
5126         (mips_split_move_insn): Pass INSN through to mips_split_move.
5127
5128 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5129
5130         PR rtl-optimization/89676
5131         * lra-constraints.c (curr_insn_transform): Do match reload for
5132         early clobbers even if the match was successful.
5133
5134 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5135
5136         PR c++/87481
5137         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5138
5139 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5140
5141         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5142
5143 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5144
5145         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5146         <avx512>_fmsub_<mode>_mask3<round_name>,
5147         <avx512>_fnmadd_<mode>_mask3<round_name>,
5148         <avx512>_fnmsub_<mode>_mask3<round_name>,
5149         avx512f_vmfmadd_<mode>_mask3<round_name>,
5150         avx512f_vmfmsub_<mode>_mask3<round_name>,
5151         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5152         instead of register_operand and %v instead of v for match_operand 1.
5153         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5154         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5155         <round_nimm_predicate> instead of register_operand and %v instead of v
5156         for match_operand 1.
5157
5158         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5159         <avx512>_fmadd_<mode>_mask3<round_name>,
5160         <avx512>_fmsub_<mode>_mask<round_name>,
5161         <avx512>_fmsub_<mode>_mask3<round_name>,
5162         <avx512>_fnmadd_<mode>_mask<round_name>,
5163         <avx512>_fnmadd_<mode>_mask3<round_name>,
5164         <avx512>_fnmsub_<mode>_mask<round_name>,
5165         <avx512>_fnmsub_<mode>_mask3<round_name>,
5166         <avx512>_fmaddsub_<mode>_mask<round_name>,
5167         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5168         <avx512>_fmsubadd_<mode>_mask<round_name>,
5169         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5170         <round_nimm_predicate> instead of nonimmediate_operand.
5171         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5172         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5173         Use register_operand instead of <round_nimm_predicate> for the
5174         operand that needs to match output.
5175         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5176         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5177         Likewise.  Formatting fixes.
5178
5179         PR target/89784
5180         * config/i386/i386.c (enum ix86_builtins): Remove
5181         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5182         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5183         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5184         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5185         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5186         __builtin_ia32_vfmsubss3_mask3): New builtins.
5187         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5188         avx512f_vmfmadd_<mode>_mask3<round_name>,
5189         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5190         *avx512f_vmfmsub_<mode>_mask<round_name>,
5191         avx512f_vmfmsub_<mode>_mask3<round_name>,
5192         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5193         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5194         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5195         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5196         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5197         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5198         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5199         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5200         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5201         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5202         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5203         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5204         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5205         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5206         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5207         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5208         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5209         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5210         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5211         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5212         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5213         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5214         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5215         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5216         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5217         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5218         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5219         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5220
5221 2019-03-21  Martin Sebor  <msebor@redhat.com>
5222
5223         PR tree-optimization/89350
5224         * builtins.c (compute_objsize): Also ignore offsets whose upper
5225         bound is negative.
5226         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5227         (builtin_memref::builtin_memref): Initialize new member.
5228         Allow EXPR to be null.
5229         (builtin_memref::extend_offset_range): Replace local with a member.
5230         Avoid assuming pointer offsets are unsigned.
5231         (builtin_memref::set_base_and_offset): Determine base object
5232         before computing offset range.
5233         (builtin_access::builtin_access): Handle memset.
5234         (builtin_access::generic_overlap): Replace local with a member.
5235         (builtin_access::strcat_overlap): Same.
5236         (builtin_access::overlap): Same.
5237         (maybe_diag_overlap): Same.
5238         (maybe_diag_access_bounds): Same.
5239         (wrestrict_dom_walker::check_call): Handle memset.
5240         (check_bounds_or_overlap): Same.
5241
5242 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5243             Jakub Jelinek  <jakub@redhat.com>
5244
5245         PR lto/89692
5246         * tree.c (fld_type_variant, fld_incomplete_type_of,
5247         fld_process_array_type): Call fld->pset.add and don't call
5248         add_tree_to_fld_list if it returns true.
5249         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5250         non-marked types from TYPE_NEXT_VARIANT list.
5251         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5252
5253 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5254
5255         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5256         to false, if true, don't alloc_entries during construction, but defer
5257         it to the first method that needs m_entries allocated.
5258         (hash_table::hash_table, hash_table::~hash_table,
5259         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5260         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5261         hash_table::clear_slot, hash_table::traverse_noresize,
5262         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5263         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5264         false.
5265         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5266         NO_INSERT instead of find_with_hash.
5267         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5268         hash_set::m_table): Add Lazy to template params of hash_table.
5269         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5270         * attribs.c (test_attribute_exclusions): Likewise.
5271         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5272         hash_set.  Add tests for hash_set with Lazy = true.
5273
5274 2019-03-21  Richard Biener  <rguenther@suse.de>
5275
5276         PR tree-optimization/89779
5277         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5278         checks with respect to released SSA names now having error_mark_node
5279         type.
5280         * fold-const.c (operand_equal_p): Likewise.
5281
5282 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5283
5284         PR target/89775
5285         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5286         available to ...
5287         (s390_optimize_register_info): Use global_not_special_regno_p to
5288         check for global regs.
5289
5290 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5291
5292         PR target/89752
5293         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5294         update this_alternative nor this_alternative_set.
5295
5296 2019-03-19  Jim Wilson  <jimw@sifive.com>
5297
5298         PR target/89411
5299         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
5300         align, size, offset.  Use them to handle a BLKmode reference.  Update
5301         comment.
5302         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5303
5304 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5305
5306         PR rtl-optimization/89768
5307         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5308         instead of GEN_INT.
5309         (unroll_loop_runtime_iterations): Likewise.
5310
5311 2019-03-19  Martin Sebor  <msebor@redhat.com>
5312
5313         PR tree-optimization/89644
5314         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5315         rather than endptr as an indicator of nul-termination.
5316
5317         PR tree-optimization/89644
5318         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5319         arrays in determining sequence sizes in strncpy and stpncpy.
5320
5321 2019-03-19  Martin Liska  <mliska@suse.cz>
5322
5323         PR middle-end/89737
5324         * predict.c (combine_predictions_for_bb): Empty likely_edges and
5325         unlikely_edges if there's an edge that belongs to both these sets.
5326
5327 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
5328
5329         PR target/89746
5330         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5331         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5332         go via a stack temporary.
5333
5334 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5335
5336         PR target/89378
5337         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5338         instead of gen_rtx_SUBREG.
5339         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5340
5341 2019-03-19  Richard Biener  <rguenther@suse.de>
5342
5343         PR debug/88389
5344         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5345
5346 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
5347
5348         PR lto/87809
5349         PR lto/89335
5350         * tree.c (free_lang_data_in_decl): Do not free context of C++
5351         destrutors.
5352
5353 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5354
5355         PR target/89506
5356         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5357         subs for the first alternative except when operands[3] is 1.
5358
5359         PR target/89752
5360         * gimplify.c (gimplify_asm_expr): For output argument with
5361         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5362         diagnose error.
5363
5364 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
5365
5366         PR rtl-optimization/89753
5367         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5368         explicit unrolling factor even more robust.
5369
5370 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5371
5372         PR target/89726
5373         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5374         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5375         signed zeros, do another copysign after the compensation.
5376
5377 2019-03-18  Martin Sebor  <msebor@redhat.com>
5378
5379         PR tree-optimization/89720
5380         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5381         more conservatively, the same as anti-range.
5382
5383 2019-03-18  Richard Biener  <rguenther@suse.de>
5384
5385         PR middle-end/88945
5386         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5387         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5388         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5389         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5390
5391 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5392
5393         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5394         Extend queue to 1024 entries.
5395         Add "consumed" field.
5396         (gomp_print_output): Remove print_index parameter.
5397         Add final parameter.
5398         Change limit to unsigned.
5399         Use consumed field to implement circular buffer.
5400         Detect interrupted print in final pass.
5401         Flush output at the end.
5402         (run): Update gomp_print_output usage.
5403         (main): Initialize kernargs->output_data.consumed.
5404
5405 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5406
5407         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5408         calculation of the minimum number of scalar iterations for
5409         fully-predicated loops.
5410
5411 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5412
5413         PR tree-optimization/89546
5414         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5415         any propagation to its children took place.
5416
5417 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5418
5419         PR target/89627
5420         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5421         parameter, and make use of it.
5422         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5423
5424 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5425
5426         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5427         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5428         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5429         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5430         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5431         match what the ops is doing.
5432         (push_multi_fp_blink): Likewise.
5433         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5434         compiling for size and elf target.
5435         (arc_save_callee_enter): Adjust note to match what enter/leave
5436         operation does.
5437
5438 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5439
5440         * config/arc/arc.md (tst_movb): Fix constraint.
5441
5442 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5443
5444         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5445
5446 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5447
5448         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5449         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5450         reg_alloc_order references.
5451         (size_alloc_order): Define.
5452         (arc_adjust_reg_alloc_order): New function.
5453         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5454         order.
5455         (ADJUST_REG_ALLOC_ORDER): Define.
5456         (HONOR_REG_ALLOC_ORDER): Likewise.
5457
5458 2019-03-18  Richard Biener  <rguenther@suse.de>
5459
5460         PR target/87561
5461         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5462         loads and stores a bit more.
5463
5464 2019-03-18  Richard Biener  <rguenther@suse.de>
5465
5466         PR target/87561
5467         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5468         load pessimization to stores as well.
5469
5470 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5471
5472         PR middle-end/86979
5473         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5474         successor, use NULL as its av set.
5475
5476 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5477
5478         PR rtl-optimization/89721
5479         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5480
5481 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5482
5483         PR target/87532
5484         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5485         When handling vec_extract, use modular arithmetic to allow
5486         constant selectors greater than vector length.
5487         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5488         V1TImode vectors to have constant selector values greater than 0.
5489         Use modular arithmetic to compute vector index.
5490         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5491         index for in-memory vectors.  Correct code generation for
5492         in-register vectors.
5493         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5494         compute index.
5495
5496 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5497
5498         PR c++/88534
5499         PR c++/88537
5500         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5501         VAR_DECL args.
5502
5503 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5504
5505         PR c++/89709
5506         * tree.c (inchash::add_expr): Strip any location wrappers.
5507         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5508         after hash verification.
5509
5510         PR debug/89704
5511         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5512         SIGN_EXTEND and ZERO_EXTEND.
5513
5514 2019-03-14  Jason Merrill  <jason@redhat.com>
5515             Jakub Jelinek  <jakub@redhat.com>
5516
5517         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5518         than if is_empty (*slot).
5519         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5520         existing elt and for elt removal.
5521         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5522         of already removed elt.
5523
5524 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5525
5526         PR target/89650
5527         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5528         REG_EH_REGION note.
5529
5530 2019-03-14  Martin Liska  <mliska@suse.cz>
5531
5532         PR other/89712
5533         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5534
5535 2019-03-14  Richard Biener  <rguenther@suse.de>
5536
5537         PR target/89711
5538         * config/i386/i386.c (make_resolver_func): Properly set
5539         DECL_CONTEXT on the RESULT_DECL.
5540         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5541
5542 2019-03-14  Richard Biener  <rguenther@suse.de>
5543
5544         * gimple-pretty-print.c: Include cfgloop.h.
5545         (dump_gimple_phi): Adjust.
5546         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5547         (pp_cfg_jump): Adjust.
5548         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5549         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5550         (lower_phi_internal_fn): Remove.
5551         (verify_gimple_call): Remove IFN_PHI special-casing.
5552         (dump_function_to_file): Dump IL state.
5553         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5554         done to deal with PHI nodes being present in non-SSA state.
5555
5556 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5557
5558         PR ipa/89684
5559         * multiple_target.c (create_dispatcher_calls): Change
5560         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5561         In the node->iterate_referring loop, push *ref rather than ref, call
5562         ref->remove_reference () and always pass 0 to iterate_referring.
5563
5564         PR rtl-optimization/89679
5565         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5566         would contain a paradoxical SUBREG.
5567
5568 2019-03-14  Richard Biener  <rguenther@suse.de>
5569
5570         PR tree-optimization/89710
5571         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5572         safe_dyn_cast.
5573
5574 2019-03-14  Martin Liska  <mliska@suse.cz>
5575
5576         * coverage.c (coverage_begin_function): Stream also
5577         end_column.
5578         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5579         documentation about function declaration location.
5580         * gcov-dump.c (tag_function): Print whole range
5581         of function declaration.
5582         * gcov.c (struct function_info): Add end_column field.
5583         (function_info::function_info): Initialize it.
5584         (output_json_intermediate_file): Output {start,end}_column
5585         fields.
5586         (read_graph_file): Read end_column.
5587
5588 2019-03-14  Richard Biener  <rguenther@suse.de>
5589
5590         PR middle-end/89698
5591         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5592         that the access types are similar.
5593
5594 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5595
5596         PR tree-optimization/89703
5597         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5598         aren't compatible also with builtin_decl_explicit.  Check pure
5599         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5600         and BUILT_IN_STPNCPY{,_CHK}.
5601
5602 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5603
5604         PR target/89523
5605         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5606         addr32 prefix to VSIB address for X32.
5607         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5608         "%M2" to opcode.
5609         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5610         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5611         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5612         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5613         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5614         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5615         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5616         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5617         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5618         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5619         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5620         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5621         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5622         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5623         (*avx512f_scatterdi<mode>): Likewise.
5624
5625 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5626
5627         PR target/85860
5628         * lra-constraints.c (inherit_in_ebb): Update
5629         potential_reload_hard_regs along with live_hard_regs.
5630
5631 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5632
5633         PR debug/89498
5634         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5635         DWARF_OFFSET_SIZE.
5636         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5637
5638 2019-03-13  Martin Sebor  <msebor@redhat.com>
5639
5640         PR tree-optimization/89662
5641         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5642         has a size.
5643
5644 2019-03-13  Richard Biener  <rguenther@suse.de>
5645
5646         PR middle-end/89677
5647         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5648         throw FP expressions at tree-affine.
5649
5650 2019-03-14  Richard Biener  <rguenther@suse.de>
5651
5652         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5653         dump negative integer constants using _Literal (type) -num.
5654
5655 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5656
5657         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5658         nonlocal_value member.
5659
5660         PR middle-end/88588
5661         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5662         (ipa_simd_modify_function_body): Handle PHIs.
5663
5664 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5665
5666         * config/s390/s390.c (s390_option_override_internal): Use more
5667         aggressive inlining parameters.
5668
5669 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5670
5671         * config/s390/3906.md: New file.
5672         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5673         (LONGRUNNING_THRESHOLD): Remove.
5674         (MAX_SCHED_MIX_SCORE): Decrease.
5675         (MAX_SCHED_MIX_DISTANCE): Decrease.
5676         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5677         (struct s390_sched_state): New struct to hold scheduling state.
5678         (S390_SCHED_STATE_NORMAL): Remove.
5679         (S390_SCHED_STATE_CRACKED): Remove.
5680         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5681         (s390_get_sched_attrmask): Use new attribute.
5682         (s390_get_unit_mask): Use new units.
5683         (s390_is_fpd): New function.
5684         (s390_is_fxd): New function.
5685         (s390_is_longrunning): New function.
5686         (s390_sched_score): Use new functions.
5687         (s390_sched_reorder): Likewise.
5688         (s390_sched_variable_issue): Rework and use new functions.
5689         (s390_sched_init): Use new functions.
5690         * config/s390/s390.h (s390_tune_attr):  Add z14.
5691         * config/s390/s390.md: Add z14.
5692
5693 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5694
5695         * config/s390/2964.md: Update pipeline description.
5696         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5697         (LONGRUNNING_THRESHOLD): Remove.
5698         (LATENCY_FACTOR): Remove.
5699         (s390_get_unit_mask): Add unit.
5700         (s390_sched_score): Use fxd/fpd.
5701         (s390_sched_variable_issue): Use fxd/fpd.
5702
5703 2019-03-12  Martin Liska  <mliska@suse.cz>
5704
5705         * config/i386/i386.c: Reword an error message.
5706
5707 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5708
5709         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5710         terminate with newline.
5711
5712 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5713
5714         PR target/52726
5715         * config/s390/s390.md (tabort): Use %wd instead of
5716         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5717         letters and periods.
5718         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5719         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5720         's with %< and %>.
5721
5722         PR middle-end/89663
5723         * builtins.c (expand_builtin_int_roundingfn,
5724         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5725         gcc_unreachable if validate_arglist fails.
5726
5727 2019-03-12  Richard Biener  <rguenther@suse.de>
5728
5729         PR tree-optimization/89664
5730         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5731         free the occurance tree after the early out.
5732
5733 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5734
5735         PR middle-end/89655
5736         PR bootstrap/89656
5737         * vr-values.c (vr_values::update_value_range): If
5738         old_vr->varying_p (), don't update it, make new_vr also VARYING
5739         and return false.
5740
5741 2019-03-11  Martin Liska  <mliska@suse.cz>
5742
5743         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5744         Fix double string quoting.
5745
5746 2019-03-11  Martin Liska  <mliska@suse.cz>
5747
5748         * collect-utils.c (collect_wait): Wrap apostrophes
5749         in gcc internal format with %'.
5750         * collect2.c (main): Likewise.
5751         (scan_prog_file): Likewise.
5752         (scan_libraries): Likewise.
5753         * config/i386/i386.c (ix86_expand_call): Likewise.
5754         (ix86_handle_interrupt_attribute): Likewise.
5755         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5756         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5757         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5758         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5759         * symtab.c (symtab_node::verify_base): Likewise.
5760         * tree-cfg.c (verify_gimple_label): Likewise.
5761         * tree.c (verify_type_variant): Likewise.
5762
5763 2019-03-11  Martin Liska  <mliska@suse.cz>
5764
5765         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5766         in a string format message and fix GNU coding style.
5767         (expand_builtin_set_thread_pointer): Likewise.
5768         * common/config/aarch64/aarch64-common.c
5769         (aarch64_rewrite_selected_cpu): Likewise.
5770         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5771         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5772         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5773         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5774         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5775         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5776         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5777         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5778         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5779         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5780         Likewise.
5781         * common/config/riscv/riscv-common.c
5782         (riscv_subset_list::parsing_subset_version): Likewise.
5783         (riscv_subset_list::parse_std_ext): Likewise.
5784         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5785         (riscv_subset_list::parse): Likewise.
5786         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5787         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5788         (aarch64_override_options_internal): Likewise.
5789         (aarch64_validate_mcpu): Likewise.
5790         (aarch64_validate_march): Likewise.
5791         (aarch64_validate_mtune): Likewise.
5792         (aarch64_override_options): Likewise.
5793         * config/alpha/alpha.c (alpha_option_override): Likewise.
5794         * config/arc/arc.c (arc_init): Likewise.
5795         (parse_mrgf_banked_regs_option): Likewise.
5796         (arc_override_options): Likewise.
5797         (arc_expand_builtin_aligned): Likewise.
5798         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5799         (arm_expand_builtin): Likewise.
5800         * config/arm/arm.c (arm_option_check_internal): Likewise.
5801         (arm_configure_build_target): Likewise.
5802         (arm_option_override): Likewise.
5803         (arm_options_perform_arch_sanity_checks): Likewise.
5804         (arm_handle_cmse_nonsecure_entry): Likewise.
5805         (arm_handle_cmse_nonsecure_call): Likewise.
5806         (arm_tls_referenced_p): Likewise.
5807         (thumb1_expand_prologue): Likewise.
5808         * config/avr/avr.c (avr_option_override): Likewise.
5809         * config/bfin/bfin.c (bfin_option_override): Likewise.
5810         * config/c6x/c6x.c (c6x_option_override): Likewise.
5811         * config/cr16/cr16.c (cr16_override_options): Likewise.
5812         * config/cris/cris.c (cris_option_override): Likewise.
5813         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5814         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5815         * config/darwin.c (darwin_override_options): Likewise.
5816         * config/frv/frv.c (frv_expand_builtin): Likewise.
5817         * config/h8300/h8300.c (h8300_option_override): Likewise.
5818         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5819         (ix86_option_override_internal): Likewise.
5820         (warn_once_call_ms2sysv_xlogues): Likewise.
5821         (ix86_expand_prologue): Likewise.
5822         (split_stack_prologue_scratch_regno): Likewise.
5823         (ix86_warn_parameter_passing_abi): Likewise.
5824         * config/ia64/ia64.c (fix_range): Likewise.
5825         * config/m68k/m68k.c (m68k_option_override): Likewise.
5826         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5827         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5828         (mips_set_compression_mode): Likewise.
5829         * config/mmix/mmix.c (mmix_option_override): Likewise.
5830         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5831         * config/msp430/msp430.c (msp430_option_override): Likewise.
5832         * config/nds32/nds32.c (nds32_option_override): Likewise.
5833         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5834         (nios2_option_override): Likewise.
5835         (nios2_expand_custom_builtin): Likewise.
5836         * config/nvptx/mkoffload.c (main): Likewise.
5837         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5838         * config/pa/pa.c (fix_range): Likewise.
5839         (pa_option_override): Likewise.
5840         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5841         (riscv_option_override): Likewise.
5842         * config/rl78/rl78.c (rl78_option_override): Likewise.
5843         * config/rs6000/aix61.h: Likewise.
5844         * config/rs6000/aix71.h: Likewise.
5845         * config/rs6000/aix72.h: Likewise.
5846         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5847         * config/rs6000/freebsd64.h: Likewise.
5848         * config/rs6000/linux64.h: Likewise.
5849         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5850         (rs6000_expand_zeroop_builtin): Likewise.
5851         (rs6000_expand_mtfsb_builtin): Likewise.
5852         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5853         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5854         (rs6000_invalid_builtin): Likewise.
5855         (rs6000_expand_split_stack_prologue): Likewise.
5856         * config/rs6000/rtems.h: Likewise.
5857         * config/rx/rx.c (valid_psw_flag): Likewise.
5858         (rx_expand_builtin): Likewise.
5859         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5860         * config/s390/s390.c (s390_expand_builtin): Likewise.
5861         (s390_function_profiler): Likewise.
5862         (s390_option_override_internal): Likewise.
5863         (s390_option_override): Likewise.
5864         * config/sh/sh.c (sh_option_override): Likewise.
5865         (sh_builtin_saveregs): Likewise.
5866         (sh_fix_range): Likewise.
5867         * config/sh/vxworks.h: Likewise.
5868         * config/sparc/sparc.c (sparc_option_override): Likewise.
5869         * config/spu/spu.c (spu_option_override): Likewise.
5870         (fix_range): Likewise.
5871         * config/visium/visium.c (visium_option_override): Likewise.
5872         (visium_handle_interrupt_attr): Likewise.
5873         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5874         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5875         (dbg_cnt_process_opt): Likewise.
5876         * dwarf2out.c (output_dwarf_version): Likewise.
5877         * except.c (expand_eh_return): Likewise.
5878         * gcc.c (defined): Likewise.
5879         (driver_handle_option): Likewise.
5880         (process_command): Likewise.
5881         (compare_files): Likewise.
5882         (driver::prepare_infiles): Likewise.
5883         (driver::do_spec_on_infiles): Likewise.
5884         (driver::maybe_run_linker): Likewise.
5885         * omp-offload.c (oacc_parse_default_dims): Likewise.
5886         * opts-global.c (handle_common_deferred_options): Likewise.
5887         * opts.c (parse_sanitizer_options): Likewise.
5888         (common_handle_option): Likewise.
5889         (enable_warning_as_error): Likewise.
5890         * passes.c (enable_disable_pass): Likewise.
5891         * plugin.c (parse_plugin_arg_opt): Likewise.
5892         (default_plugin_dir_name): Likewise.
5893         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5894         (default_pch_valid_p): Likewise.
5895         * toplev.c (init_asm_output): Likewise.
5896         (process_options): Likewise.
5897         (toplev::run_self_tests): Likewise.
5898         * tree-cfg.c (verify_gimple_call): Likewise.
5899         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5900         (tree_inlinable_function_p): Likewise.
5901         * var-tracking.c (vt_find_locations): Likewise.
5902
5903 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5904
5905         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5906         only on the else branch.
5907
5908 2019-03-11  Martin Liska  <mliska@suse.cz>
5909
5910         * gcov.c (output_intermediate_json_line): Print function
5911         name of each line.
5912         (output_json_intermediate_file): Add new argument.
5913         * doc/gcov.texi: Document the change.
5914
5915 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5916
5917         PR rtl-optimization/89588
5918         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5919         explicit unrolling factor more robust.
5920
5921 2019-03-11  Richard Biener  <rguenther@suse.de>
5922
5923         PR tree-optimization/89649
5924         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5925         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5926         on the prolog and epilog loops.
5927         (vect_loop_versioning): Return copy of loop.
5928         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5929         on the non-vectorized version of the loop.
5930
5931 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5932
5933         PR target/68924
5934         * config/i386/sse.md (*vec_extractv2di_0_sse):
5935         Add (=r,x) alternative and corresponding splitter.
5936
5937 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5938
5939         PR tree-optimization/85762
5940         PR tree-optimization/87008
5941         PR tree-optimization/85459
5942         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5943         it points to if there is a type changing MEM_REF.  Adjust all callers.
5944         (build_accesses_from_assign): Disable total scalarization if
5945         contains_vce_or_bfcref_p returns true through the new parameter, for
5946         both rhs and lhs.
5947
5948 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5949
5950         PR c/88568
5951         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5952         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5953
5954         PR target/79645
5955         * common.opt (fdiagnostics-show-labels,
5956         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5957         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5958         gas-locview-support, ginline-points, ginternal-reset-location-views):
5959         Terminate description text with a dot.
5960         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5961         * config/mcore/mcore.opt (m210, m340): Likewise.
5962         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5963         mnops=): Start description text with a capital letter.
5964         * config/arc/arc.opt (msize-level=): Likewise.
5965         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5966         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5967         mnewlib): Likewise.
5968         * config/ft32/ft32.opt (msim): Likewise.
5969         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5970         (mnodiv, mnopm): Terminate description text with a dot.
5971         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5972         a colon.
5973         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5974         Likewise.
5975         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5976         text.
5977
5978         PR rtl-optimization/89634
5979         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5980         are modified in BB_END (e->src) instruction.
5981
5982 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5983
5984         PR target/79926
5985         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5986         messages more amenable to translation, and improve wording.
5987
5988 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5989
5990         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5991         ud- and du-chains between phases.
5992
5993 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5994
5995         PR debug/89631
5996         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5997         instead of POLY_INT_CST.
5998
5999 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6000
6001         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6002         requirement.
6003
6004 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6005
6006         PR target/68924
6007         PR target/78782
6008         PR target/87558
6009         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6010         (_mm_storeu_si64): Ditto.
6011
6012 2019-03-08  Martin Liska  <mliska@suse.cz>
6013
6014         PR target/86952
6015         * config/i386/i386.c (ix86_option_override_internal): Disable
6016         jump tables when retpolines are used.
6017
6018 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6019
6020         PR go/63560
6021         * ipa-split.c (execute_split_functions): Do not split
6022         'noinline' or 'section' function.
6023
6024 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6025
6026         PR target/79846
6027         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6028         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6029         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6030
6031         PR ipa/80000
6032         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6033         from diagnostics.  Formatting fixes.
6034
6035         PR target/85665
6036         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6037         warn_odr diagnostics.
6038
6039         PR other/80058
6040         * lra-constraints.c (process_alt_operands): Avoid one space before
6041         " at the end of line and another after " on another line in a string
6042         literal.
6043         * attribs.c (handle_dll_attribute): Likewise.
6044         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6045
6046         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6047         warning_at or inform messages in G_() if there is no ?:.
6048
6049         PR tree-optimization/89550
6050         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6051         returned true.  Formatting fixes.
6052         (expand_builtin_strnlen): Formatting fixes.
6053         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6054         if warning_at returned true.
6055         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6056
6057 2019-03-08  Richard Biener  <rguenther@suse.de>
6058
6059         PR middle-end/89578
6060         * cfgloop.h (struct loop): Add owned_clique field.
6061         * cfgloopmanip.c (copy_loop_info): Copy it.
6062         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6063         cliques.
6064         * tree-inline.c (copy_loops): Remap owned_clique.
6065         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6066         * lto-streamer-out.c (output_cfg): Likewise.
6067
6068 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6069
6070         PR target/80190
6071         * config/darwin.c: Include intl.h.
6072         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6073         composing the message out of two separate parts.
6074
6075 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6076
6077         PR target/80003
6078         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6079         doesn't start with a capital letter and doesn't end with a dot.
6080         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6081         with a capital letter.
6082         (ix86_mangle_function_version_assembler_name): Likewise.
6083         (ix86_generate_version_dispatcher_body): Likewise.
6084         (fold_builtin_cpu): Likewise.
6085         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6086         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6087         translators, wrap full type name in %qs.
6088
6089         PR translation/79999
6090         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6091         depend clause with source (or sink) modifier.
6092         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6093
6094         PR target/89602
6095         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6096         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6097         (avx512f_load<mode>_mask): New define_expand.
6098         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6099         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6100         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6101         __builtin_ia32_movess_mask): New builtins.
6102         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6103         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6104         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6105         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6106
6107 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6108
6109         PR lto/87525
6110         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6111         for extern inline functions.
6112
6113 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6114
6115         PR ipa/88235
6116         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6117         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6118         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6119         have multiple callees.  At the end check if declarations match as
6120         opposed to cgraph_nodes.
6121
6122 2019-03-07  Martin Liska  <mliska@suse.cz>
6123
6124         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6125         which is equivalent to searching for this in clones chain.
6126         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6127         names with a neighbour and special case first node in a chain.
6128
6129 2019-01-25  Jason Merrill  <jason@redhat.com>
6130
6131         PR c++/80916 - spurious "static but not defined" warning.
6132         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6133         for an internal symbol with DECL_EXTERNAL.
6134
6135 2019-04-07  Richard Biener  <rguenther@suse.de>
6136
6137         PR middle-end/89618
6138         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6139         * tree-inline.c (copy_loops): Simplify.
6140
6141 2019-03-07  Martin Liska  <mliska@suse.cz>
6142
6143         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6144
6145 2019-03-07  Richard Biener  <rguenther@suse.de>
6146
6147         PR tree-optimization/89595
6148         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6149         stmt iterator as reference, take boolean output parameter to
6150         indicate whether the stmt was removed and thus the iterator
6151         already advanced.
6152         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6153         stmts created by folding.
6154
6155 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6156
6157         PR c++/89585
6158         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6159         at toplevel.
6160
6161 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6162
6163         PR rtl-optimization/88845
6164         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6165         LRA.
6166         * lra.c (remove_scratches_1): New function.
6167         (remove_scratches): Use it.
6168         (lra_emit_move): Likewise.
6169
6170 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6171
6172         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6173         unaligned_access variable.
6174         * config/arc/arc.c (arc_override_options): Set unaligned access
6175         default on for HS CPUs.
6176         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6177
6178 2019-03-06  Martin Liska  <mliska@suse.cz>
6179
6180         PR gcov-profile/89577
6181         * doc/gcov.texi: Prefer to use --coverage.
6182         * doc/sourcebuild.texi: Likewise.
6183
6184 2019-03-02  Jason Merrill  <jason@redhat.com>
6185
6186         PR c++/86485 - -Wmaybe-unused with empty class ?:
6187         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6188
6189 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6190
6191         PR target/89587
6192         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6193         if_multiarch.
6194
6195         PR middle-end/89590
6196         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6197         exactly one argument.
6198
6199 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6200             Richard Sandiford  <richard.sandiford@arm.com>
6201
6202         PR tree-optimization/89570
6203         * match.pd (vec_cond into cond_op simplification): Don't use
6204         get_conditional_internal_fn, use as_internal_fn (cond_op).
6205
6206 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6207
6208         PR target/89222
6209         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6210         to decide when to split off a non-zero offset from a symbol.
6211         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6212         in function symbols.
6213
6214 2019-03-05  Richard Biener  <rguenther@suse.de>
6215
6216         PR tree-optimization/89594
6217         * tree-if-conv.c (pass_if_conversion::execute): Handle
6218         case where .LOOP_VECTORIZED_FUNCTION was removed.
6219
6220 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6221
6222         PR bootstrap/89560
6223         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6224         instead alloca it only when needed with the needed size.
6225
6226         PR tree-optimization/89570
6227         * match.pd (vec_cond into cond_op simplification): Guard with
6228         vectorized_internal_fn_supported_p test and #if GIMPLE.
6229
6230         PR tree-optimization/89566
6231         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6232         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6233         Punt if get_user_idx_format succeeds, but idx_format argument is
6234         not provided or doesn't have pointer type, or if idx_args is above
6235         number of provided arguments.
6236
6237 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6238
6239         PR tree-optimization/89437
6240         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6241
6242 2019-03-04  Richard Biener  <rguenther@suse.de>
6243
6244         PR middle-end/89572
6245         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6246         safe_dyn_cast.
6247
6248 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6249
6250         PR tree-optimization/89487
6251         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6252         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6253         (distribute_loop): Don't do runtime alias check if there is non-
6254         addressable data reference.
6255         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6256         is a register variable.
6257
6258 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6259
6260         PR target/89506
6261         * config/arm/arm.md (cmpsi2_addneg): Use
6262         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6263         If operands[2] is 0 or INT_MIN, force use of subs.
6264         (*compare_scc splitter): Use gen_int_mode.
6265         (*negscc): Likewise.
6266         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6267
6268 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6269             Monk Chiang  <sh.chiang04@gmail.com>
6270
6271         * common/config/riscv/riscv-common.c: Include sstream.
6272         (riscv_subset_list::to_string): New.
6273         (riscv_arch_str): Likewise.
6274         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6275         * config.in: Regen.
6276         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6277         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6278         (riscv_emit_attribute): New.
6279         (riscv_file_start): Emit attribute if needed.
6280         (riscv_option_override): Init riscv_emit_attribute_p.
6281         * config/riscv/riscv.opt (mriscv-attribute): New option.
6282         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6283         * configure: Regen.
6284         * doc/install.texi: Document --with-riscv-attribute.
6285         * doc/invoke.texi: Document -mriscv-attribute.
6286
6287         * common/config/riscv/riscv-common.c:
6288         Include config/riscv/riscv-protos.h.
6289         (INCLUDE_STRING): Defined.
6290         (RISCV_DONT_CARE_VERSION): Defined.
6291         (riscv_subset_t): Declare.
6292         (riscv_subset_t::riscv_subset_t): New.
6293         (riscv_subset_list): Declare.
6294         (riscv_subset_list::riscv_subset_list): New.
6295         (riscv_subset_list::~riscv_subset_list): Likewise.
6296         (riscv_subset_list::parsing_subset_version): Likewise.
6297         (riscv_subset_list::parse_std_ext): Likewise.
6298         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6299         (riscv_subset_list::add): Likewise.
6300         (riscv_subset_list::lookup): Likewise.
6301         (riscv_subset_list::xlen): Likewise.
6302         (riscv_subset_list::parse): Likewise.
6303         (riscv_supported_std_ext): Likewise.
6304         (current_subset_list): Likewise.
6305         (riscv_parse_arch_string): Using riscv_subset_list::parse to
6306         parse.
6307
6308 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
6309
6310         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6311         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6312         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6313
6314 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
6315
6316         PR rtl-optimization/85899
6317         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6318         fallthru edges leading to the exit block.
6319
6320 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
6321
6322         PR target/89517
6323         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6324         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6325
6326 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
6327
6328         PR tree-optimization/89535
6329         * tree-vect-stmts.c (vectorizable_call): Record the vector types
6330         for each operand.  Calculate the fallback choice for mask operands
6331         and pass it to vect_get_vec_def_for_operand.
6332
6333 2019-03-01  Richard Biener  <rguenther@suse.de>
6334
6335         PR middle-end/89541
6336         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6337         get virtual operands.
6338         (get_expr_operands): Handle CONST_DECL like other decls.
6339
6340 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6341
6342         PR middle-end/89503
6343         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6344         on DECL_P and EXPR_P.
6345
6346 2019-03-01  Richard Biener  <rguenther@suse.de>
6347
6348         PR middle-end/89497
6349         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6350         argument, defaulted to zero.
6351         * passes.c (execute_function_todo): Pass down SSA update flags
6352         to cleanup_tree_cfg.
6353         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6354         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6355         form if requested.
6356         (cleanup_tree_cfg): Get and pass down SSA update flags.
6357
6358 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6359
6360         PR bootstrap/89539
6361         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6362         early_lto_debug argument.
6363
6364 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6365
6366         PR tree-optimization/89536
6367         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6368         only whether bit #0 of the value is 0 instead of the entire value.
6369
6370 2019-02-28  Marek Polacek  <polacek@redhat.com>
6371
6372         PR c++/87068 - missing diagnostic with fallthrough statement.
6373         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6374         at the end of a seq, save its location to walk_stmt_info.
6375         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6376         a switch.
6377
6378 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6379
6380         PR lto/88585
6381         * tree.c (find_atomic_core_type): Move ahead in file.
6382         (check_base_type): Correctly compare alignments of atomic types.
6383
6384 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6385
6386         PR target/89455
6387         * config/i386/i386.c (get_builtin_code_for_version): Identify
6388         Westmere from PCLMUL, instead of AES.
6389
6390 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6391
6392         PR target/89434
6393         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6394         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6395         -UINTVAL (...).
6396
6397 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6398
6399         PR target/88530
6400         * config/aarch64/aarch64-option-extensions.def: Document it.
6401         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6402         if empty hwcaps.
6403
6404 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6405
6406         PR c/89520
6407         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6408         builtins if they don't have a single scalar floating point argument.
6409         Formatting fixes.
6410
6411 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6412
6413         PR rtl-optimization/89490
6414         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6415         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6416         block section is not mergeable.
6417
6418 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6419
6420         PR target/70341
6421         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6422         old define_insn to ...
6423         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6424         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6425         Rename old define_insn to ...
6426         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6427         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6428         define_insn to ...
6429         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6430         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6431         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6432
6433 2019-02-27  Richard Biener  <rguenther@suse.de>
6434
6435         PR debug/88878
6436         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6437
6438 2019-02-27  Richard Biener  <rguenther@suse.de>
6439
6440         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6441         building.
6442
6443 2019-02-27  Richard Biener  <rguenther@suse.de>
6444
6445         PR debug/88878
6446         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6447         parameter, prefix section name with .gnu.debuglto_ if true.
6448         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6449         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6450
6451 2019-02-27  Richard Biener  <rguenther@suse.de>
6452
6453         PR debug/89514
6454         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6455         rather than on use_debug_types, doing what output_die does.
6456         (value_format): Likewise.
6457
6458 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6459             Martin Sebor  <msebor@redhat.com>
6460
6461         * doc/invoke.texi (Warning Options): Reword description of
6462         -Wno-absolute-value.
6463
6464 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6465
6466         PR tree-optimization/89280
6467         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6468         builtin_setjmp_setup_bb): New functions.
6469         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6470         When visiting __builtin_setjmp_setup block, queue in special
6471         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6472         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6473         from visited after the loop if they don't have any visited successor
6474         blocks.
6475
6476 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6477
6478         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6479         New function.
6480         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6481
6482 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6483
6484         PR c++/89507
6485         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6486         with types other than sizetype/ssizetype.
6487
6488 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6489
6490         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6491         (enum sparc_processor_type): ...this.
6492         (enum sparc_code_model_type): New enumeration type.
6493         (enum sparc_memory_model_type): Tweak comments.
6494         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6495         (mtune): Likewise.
6496         (mcmodel): Use sparc_code_model enumeration and variable.
6497         (sparc_code_model): New enumeration.
6498         (mdebug): Add Undocumented marker.
6499         * config/sparc/sparc.h (enum cmodel): Delete.
6500         (sparc_cmodel): Likewise.
6501         (TARGET_CM_MEDLOW): Adjust to above renaming.
6502         (TARGET_CM_MEDMID): Likewise.
6503         (TARGET_CM_MEDANY): Likewise.
6504         (TARGET_CM_EMBMEDANY): Likewise.
6505         * config/sparc/sparc.c (sparc_cmodel): Delete.
6506         (sparc_option_override): Remove string/value mapping support for the
6507         code model.  Move code and memory model support to after the handling
6508         of target flags.  Do private machine setup last.
6509         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6510         (sparc_legitimize_reload_address): Likewise.
6511         (sparc_output_mi_thunk): Likewise.
6512         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6513
6514 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6515
6516         PR tree-optimization/89500
6517         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6518         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6519         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6520         cst if the first cst bytes starting at x are known to be non-zero,
6521         even if the string is not zero terminated.  Don't try to modify
6522         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6523         we can prove strnlen returns the same value as strlen would.
6524
6525 2019-02-26  Martin Liska  <mliska@suse.cz>
6526
6527         * alloc-pool.h (struct pool_usage): Remove extra
6528         print_dash_line.
6529         * bitmap.h (struct bitmap_usage): Likewise.
6530         * ggc-common.c (struct ggc_usage): Likewise.
6531         * mem-stats.h (struct mem_usage): Likewise.
6532         (mem_alloc_description::dump): Print dash lines
6533         here and repeat header at the end of a table report.
6534         It's then more readable.
6535         * tree-phinodes.c (phinodes_print_statistics): Make
6536         horizontal alignment.
6537         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6538         * vec.c (struct vec_usage): Remove extra print_dash_line.
6539         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6540
6541 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6542
6543         * doc/extend.texi (__builtin_object_size):
6544         Use @pxref instead of @xref inside parenthesis.
6545         (__builtin_has_attribute): Add missing comma after @xref.
6546         (__builtin_object_size): Ditto.
6547         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6548         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6549         in the list.
6550
6551 2019-02-26  Jeff Law  <law@redhat.com>
6552
6553         PR rtl-optimization/87761
6554         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6555         detect obviously dead insns and delete them.
6556
6557 2019-02-26  Richard Biener  <rguenther@suse.de>
6558
6559         PR tree-optimization/89505
6560         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6561         to handle restrict pointed-to vars with multiple subvars
6562         correctly.
6563
6564 2019-02-26  Richard Biener  <rguenther@suse.de>
6565
6566         PR tree-optimization/89489
6567         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6568
6569 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6570
6571         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6572         and move around comment.
6573         <BIT_AND_EXPR>: Likewise.
6574         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6575
6576 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6577
6578         PR target/89474
6579         * config/i386/i386.c (remove_partial_avx_dependency): Call
6580         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6581         after changing possibly many instructions to use that pseudo.  Fix up
6582         insertion of v4sf_const0 setter at the start of bb.
6583
6584 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6585
6586         PR c/80409
6587         * doc/extend.texi (Variadic Pointer Args): New section.
6588
6589 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6590             Martin Sebor  <msebor@gmail.com>
6591
6592         * common.opt (Wattribute-alias): Likewise.
6593         * doc/invoke.texi (Option Summary): List general form of
6594         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6595         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6596         Add cross-references.
6597         (-Wattribute-alias): Rewrite and correct default.  Mention
6598         considered attributes (same as for -Wmissing-attributes).
6599
6600 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6601
6602         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6603         (_mm_cvtpd_ps): Likewise.
6604         (_mm_cvttpd_epi32): Likewise.
6605
6606         PR target/89338
6607         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6608         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6609
6610         PR target/89339
6611         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6612
6613 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6614
6615         PR target/88530
6616         * common/config/aarch64/aarch64-common.c
6617         (struct aarch64_option_extension): Add is_synthetic.
6618         (all_extensions): Use it.
6619         (TARGET_OPTION_INIT_STRUCT): Define hook.
6620         (struct gcc_targetm_common): Moved to end.
6621         (all_extensions_by_on): New.
6622         (opt_ext_cmp, typedef opt_ext): New.
6623         (aarch64_option_init_struct): New.
6624         (aarch64_contains_opt): New.
6625         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6626         * config/aarch64/aarch64-option-extensions.def
6627         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6628         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6629         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6630         Set is_synthetic to false.
6631         (crypto): Set is_synthetic to true.
6632         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6633         SYNTHETIC.
6634
6635 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6636
6637         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6638         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6639         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6640         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6641         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6642         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6643         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6644         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6645         Rename ...
6646         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6647         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6648         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6649         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6650         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6651         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6652         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6653         vfmlsl_laneq_high_f16): ... To this.
6654         * config/arm/neon.md: Update comments.
6655
6656 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6657
6658         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6659         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6660         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6661         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6662         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6663         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6664         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6665         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6666         Rename ...
6667         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6668         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6669         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6670         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6671         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6672         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6673         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6674         vfmlslq_laneq_high_f16): ... To this.
6675
6676 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6677
6678         PR rtl-optimization/86096
6679         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6680         comparing mw_order values.
6681
6682 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6683
6684         PR target/89434
6685         * config/arm/arm.md (*subsi3_carryin_const): Use
6686         arm_neg_immediate_operand predicate instead of
6687         arm_not_immediate_operand, "L" constraint instead of "K" and
6688         print it using %n2 instead of %B2.
6689         (*subsi3_carryin_const0): New define_insn.
6690         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6691         instead of arm_not_operand and "I" constraint instead of "K" and
6692         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6693         another match_operand and in the condition check that it is negation
6694         of operands[2].
6695         (*subsi3_carryin_compare_const0): New define_ins.
6696         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6697         *subsi3_carryin_const.
6698         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6699         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6700
6701         PR target/89438
6702         * config/arm.vfp.md (*negdf2_vfp): Use
6703         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6704         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6705
6706 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6707
6708         PR rtl-optimization/89445
6709         * simplify-rtx.c (simplify_ternary_operation): Don't use
6710         simplify_merge_mask on operands that may trap.
6711         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6712         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6713         second operand is CONST_VECTOR, check if any element could be zero.
6714         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6715         their operands can trap.
6716
6717 2019-02-23  Martin Sebor  <msebor@redhat.com>
6718
6719         * gimple-ssa-sprintf.c (target_strtol): Rename...
6720         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6721         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6722         check for range error.
6723
6724 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6725
6726         PR driver/69471
6727         * opts-common.c (prune_options): Also prune joined switches
6728         with Negative and RejectNegative.
6729         * config/i386/i386.opt (march=): Add Negative(march=).
6730         (mtune=): Add Negative(mtune=).
6731         * doc/options.texi: Document Negative used together with Joined
6732         and RejectNegative.
6733
6734 2019-02-22  Martin Sebor  <msebor@redhat.com>
6735
6736         * doc/extend.texi (Other Builtins): Add
6737         __builtin_is_constant_evaluated.
6738
6739 2019-02-22  Richard Biener  <rguenther@suse.de>
6740
6741         PR tree-optimization/87609
6742         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6743
6744 2019-02-22  Jeff Law  <law@redhat.com>
6745
6746         PR rtl-optimization/87761
6747         * config/mips/mips.md: Add new combiner pattern to recognize
6748         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6749
6750 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6751
6752         PR target/89324
6753         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6754         destination register in peepholes generating patterns for ADDS/SUBS.
6755         (add<mode>3_compare0,
6756         *addsi3_compare0_uxtw, add<mode>3_compareC,
6757         add<mode>3_compareV_imm, add<mode>3_compareV,
6758         *adds_<optab><ALLX:mode>_<GPI:mode>,
6759         *subs_<optab><ALLX:mode>_<GPI:mode>,
6760         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6761         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6762         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6763         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6764         sub<mode>3_compare1): Allow stack pointer for source register.
6765         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6766
6767 2019-02-22  Martin Sebor  <msebor@redhat.com>
6768
6769         PR tree-optimization/88993
6770         PR tree-optimization/88853
6771         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6772         New helper.
6773         (sprintf_dom_walker::call_info::is_string_func): New helper.
6774         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6775         for formatted string functions.
6776         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6777
6778 2019-02-22  Martin Sebor  <msebor@redhat.com>
6779
6780         PR c/89425
6781         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6782         unreachable subexpressions.
6783
6784 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6785             Hongtao Liu  <hongtao.liu@intel.com>
6786             Sunil K Pandey  <sunil.k.pandey@intel.com>
6787
6788         PR target/87007
6789         * config/i386/i386-passes.def: Add
6790         pass_remove_partial_avx_dependency.
6791         * config/i386/i386-protos.h
6792         (make_pass_remove_partial_avx_dependency): New.
6793         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6794         New function.
6795         (pass_data_remove_partial_avx_dependency): New.
6796         (pass_remove_partial_avx_dependency): Likewise.
6797         (make_pass_remove_partial_avx_dependency): Likewise.
6798         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6799         (*extendsfdf2): Add avx_partial_xmm_update.
6800         (truncdfsf2): Likewise.
6801         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6802         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6803
6804 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6805
6806         PR middle-end/85598
6807         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6808         analysis for pass.
6809
6810 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6811
6812         PR target/89444
6813         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6814         (PTA_SKYLAKE): Add PTA_AES.
6815         (PTA_GOLDMONT): Likewise.
6816
6817 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6818
6819         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6820         instruction if enabled.
6821         (aarch64_override_options): Remove reference to return address key.
6822
6823 2019-02-22  Richard Biener  <rguenther@suse.de>
6824
6825         PR tree-optimization/89440
6826         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6827         not necessary assert.
6828
6829 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6830
6831         PR fortran/72741
6832         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6833         (oacc_replace_fn_attrib_attr): ... this new function.
6834         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6835         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6836
6837 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6838
6839         * config/arm/arm-cpus.in (ares): Rename to...
6840         (neoverse-n1): ... This.  Add ares as alias.
6841         * config/arm/arm-tables.opt: Regenerate.
6842         * config/arm/arm-tune.md: Likewise.
6843         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6844
6845 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6846
6847         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6848         * config/aarch64/aarch64-tune.md: Regenerate.
6849         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6850
6851 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6852
6853         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6854         (neoversen1_tunings): ... This.
6855         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6856         (neoverse-n1): New CPU.
6857         * config/aarch64/aarch64-tune.md: Regenerate.
6858         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6859
6860 2019-02-22  Richard Biener  <rguenther@suse.de>
6861
6862         PR middle-end/87609
6863         * cfghooks.h (dependence_hash): New typedef.
6864         (struct copy_bb_data): New type.
6865         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6866         (duplicate_block): Likewise.
6867         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6868         (copy_bbs): Create and pass down copy_bb_data.
6869         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6870         (rtl_duplicate_bb): Likewise.
6871         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6872         remap dependence info.
6873
6874 2019-02-22  Richard Biener  <rguenther@suse.de>
6875
6876         PR tree-optimization/87609
6877         * tree-core.h (tree_base): Document special clique values.
6878         * tree-inline.c (remap_dependence_clique): Do not use the
6879         special clique value of one.
6880         (maybe_set_dependence_info): Use clique one.
6881         (clear_dependence_clique): New callback.
6882         (compute_dependence_clique): Clear clique one from all refs
6883         before assigning it (again).
6884
6885 2019-02-21  Martin Sebor  <msebor@redhat.com>
6886
6887         * doc/extend.texi (__clear_cache): Correct signature.
6888
6889 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6890
6891         PR go/89170
6892         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6893         than output_constant_def.
6894         (add_constant_to_table): New static function.
6895         (output_constant_def): Call add_constant_to_table.
6896         (tree_output_constant_def): Likewise.
6897
6898 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6899
6900         PR c++/89285
6901         * builtins.c (fold_builtin_arith_overflow): If first two args are
6902         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6903         to ifn.
6904
6905 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6906
6907         PR target/87412
6908         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6909         error for -mindirect-branch/-mfunction-return with incompatible
6910         -fcf-protection.
6911
6912 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6913
6914         PR bootstrap/88714
6915         * constraints.md (q): Remove.
6916         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6917         instead of q.
6918
6919 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6920
6921         PR hsa/89302
6922         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6923         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6924         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6925         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6926         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6927         proper values to new parameters of omp_adjust_for_condition.
6928
6929 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6930
6931         PR middle-end/89412
6932         * expr.c (expand_assignment): If result is a MEM, use change_address
6933         instead of simplify_gen_subreg.
6934
6935 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6936             David Malcolm  <dmalcolm@redhat.com>
6937
6938         PR middle-end/89091
6939         * fold-const.c (decode_field_reference): Return NULL_TREE if
6940         lang_hooks.types.type_for_size returns NULL.  Check it before
6941         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6942
6943 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6944
6945         PR middle-end/88074
6946         PR middle-end/89415
6947         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6948         buggy mpc_norm.
6949
6950 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6951
6952         PR target/89397
6953         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6954         TARGET_SSE in addition to TARGET_SSE_MATH.
6955
6956         (ix86_excess_precision): Ditto.
6957         (ix86_float_exceptions_rounding_supported_p): Ditto.
6958         (use_rsqrt_p): Ditto.
6959         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6960
6961 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6962
6963         PR c/89410
6964         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6965         linenum_arith_t when determining if two adjacent line spans are
6966         close enough to merge.
6967         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6968         lines within each line_span.
6969
6970 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6971
6972         PR target/86487
6973         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6974         paradoxical SUBREGS.
6975
6976 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6977
6978         PR target/88100
6979         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6980         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6981         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6982         range checking it.
6983
6984 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6985
6986         * config/gcn/gcn.c (print_operand): Fix typo.
6987
6988 2019-02-19  Richard Biener  <rguenther@suse.de>
6989
6990         PR middle-end/88074
6991         * toplev.c (do_compile): Initialize mpfr's exponent range
6992         based on available float modes.
6993
6994 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6995
6996         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6997         as long as the epilogue isn't completed.
6998
6999 2019-02-18  Martin Sebor  <msebor@redhat.com>
7000
7001         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7002         __has_cpp_attribute, and __has_include.
7003
7004 2019-02-18  Martin Sebor  <msebor@redhat.com>
7005
7006         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7007
7008 2019-02-18  Martin Sebor  <msebor@redhat.com>
7009
7010         PR middle-end/89294
7011         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7012         expression.
7013         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7014
7015 2019-02-18  Richard Biener  <rguenther@suse.de>
7016
7017         PR tree-optimization/89296
7018         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7019         of no-warning flag to cases that might emit the bogus warning.
7020
7021 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7022
7023         PR bootstrap/88714
7024         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7025         "q" constraint.
7026         * config/arm/vfp.md (*movdi_vfp): Likewise.
7027         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7028         "q" constraint for operands[0].
7029
7030         PR target/89369
7031         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7032         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7033         pattern in a temporary buffer.
7034         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7035         than 64-operands[2].
7036
7037         PR target/89361
7038         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7039         s390_indirect_branch_settings): Define unconditionally.
7040         (s390_set_current_function): Likewise, but guard the whole body except
7041         the s390_indirect_branch_settings call with
7042         #if S390_USE_TARGET_ATTRIBUTE.
7043         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7044
7045         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7046         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7047         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7048         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7049         HOST_WIDE_INT_1U instead of 1ULL.
7050         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7051         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7052         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7053         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7054         instead of 1UL.
7055         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7056         instead of 1ul.
7057
7058 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7059
7060         PR tree-optimization/89209
7061         * tree-sra.c (create_access_replacement): New optional parameter
7062         reg_tree.  Use it as a type if non-NULL and access type is not of
7063         a register type.
7064         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7065         to create_access_replacement.
7066         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7067         Check lacc is non-NULL before attempting to re-create it on the RHS.
7068
7069 2019-02-18  Martin Liska  <mliska@suse.cz>
7070
7071         PR ipa/89306
7072         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7073         by default.
7074         (symbol_table::free_edge): Recycle m_summary_id.
7075         * cgraph.h (get_summary_id): New.
7076         (symbol_table::release_symbol): Set m_summary_id to -1
7077         by default.
7078         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7079         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7080         function_summary to fast_function_summary.
7081         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7082         * ipa-pure-const.c (class funct_state_summary_t):
7083         Switch from function_summary to fast_function_summary.
7084         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7085         (class ipa_ref_opt_summary_t): Switch from function_summary
7086         to fast_function_summary.
7087         * symbol-summary.h (class function_summary_base): New class
7088         that is created from base of former function_summary.
7089         (function_summary_base::unregister_hooks): New.
7090         (class function_summary): Inherit from function_summary_base.
7091         (class call_summary_base): New class
7092         that is created from base of former call_summary.
7093         (class call_summary): Inherit from call_summary_base.
7094         (struct is_same): New.
7095         (class fast_function_summary): New summary class.
7096         (class fast_call_summary): New summary class.
7097         * vec.h (vec_safe_grow_cleared): New function.
7098
7099 2019-02-18  Martin Liska  <mliska@suse.cz>
7100
7101         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7102         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7103         * doc/tm.texi: Document new target hook.
7104         * doc/tm.texi.in: Likewise.
7105         * target.def: Add new target macro.
7106         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7107         suffixes.
7108
7109 2019-02-17  Alan Modra  <amodra@gmail.com>
7110
7111         PR target/89271
7112         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7113         output reg on add insn.
7114         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7115
7116 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7117
7118         PR target/89372
7119         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7120         (PMULHRSW): Likewise.
7121         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7122         TARGET_AVX2.
7123         (ssse3_pmulhrswv4hi3): New expander.
7124
7125 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7126
7127         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7128         MMX.  Add isa attribute.
7129
7130 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7131
7132         PR rtl-optimization/66152
7133         * builtins.h (c_readstr): Declare.
7134         * builtins.c (c_readstr): Remove forward declaration.  Add
7135         null_terminated_p argument, if false, read all bytes from the
7136         string instead of stopping after '\0'.
7137         * expr.c (string_cst_read_str): New function.
7138         (store_expr): Use string_cst_read_str instead of
7139         builtin_strncpy_read_str.  Try to store by pieces the whole
7140         exp_len first, and only if that fails, split it up into
7141         store by pieces followed by clear_storage.  Formatting fix.
7142
7143         * config/i386/i386.md (*movqi_internal): Remove static from
7144         buf variable.  Use output_asm_insn (buf, operands); return "";
7145         instead of return buf;.
7146         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7147         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7148         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7149
7150 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7151
7152         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7153         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7154         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7155         (CC1_SPEC): Likewise.
7156         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7157
7158 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7159
7160         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7161         the base address on 64-bit strict-alignment platforms.
7162
7163 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7164
7165         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7166
7167 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7168
7169         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7170
7171 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7172
7173         PR rtl-optimization/88308
7174         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7175         on copied instruction.
7176
7177 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7178
7179         * final.c (insn_current_reference_address): Replace test on JUMP_P
7180         with test on jump_to_label_p.
7181         * config/visium/visium-passes.def: New file.
7182         * config/visium/t-visium (PASSES_EXTRA): Define.
7183         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7184         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7185         (TRAMPOLINE_ALIGNMENT): Define.
7186         * config/visium/visium.c (visium_option_override): Do not register
7187         the machine-specific reorg pass here.
7188         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7189         for the GR6.
7190         (output_branch): Adjust threshold for long branch instruction.
7191         * config/visium/visium.md (cpu): Move around.
7192         (length): Adjust for the GR6.
7193
7194 2019-02-15  Richard Biener  <rguenther@suse.de>
7195             Jakub Jelinek  <jakub@redhat.com>
7196
7197         PR tree-optimization/89278
7198         * tree-loop-distribution.c: Include tree-eh.h.
7199         (generate_memset_builtin, generate_memcpy_builtin): Call
7200         rewrite_to_non_trapping_overflow on builtin->size before passing it
7201         to force_gimple_operand_gsi.
7202
7203 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7204
7205         PR other/89342
7206         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7207         optimize_debug.
7208         * opth-gen.awk: Likewise.
7209
7210 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7211
7212         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7213         Enable MMX, SSE and SSE2 by default.
7214         * config/i386/i386.c (ix86_option_override_internal): Do not
7215         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7216
7217 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7218
7219         PR rtl-optimization/89354
7220         * combine.c (make_extraction): Punt if extraction_mode is narrower
7221         than len bits.
7222
7223 2019-02-14  Maya Rashish  <coypu@sdf.org>
7224
7225         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7226         * config/netbsd-d.c: New file.
7227         * config/t-netbsd: Add netbsd-d.o
7228
7229 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7230
7231         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7232         affects_type_identity to true for aarch64_vector_pcs.
7233         (aarch64_comp_type_attributes): New function.
7234         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7235
7236 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7237
7238         PR target/88850
7239         * config/arm/iterators.md (ANY64): Add V4HF.
7240
7241 2019-02-14  Martin Liska  <mliska@suse.cz>
7242
7243         PR rtl-optimization/89242
7244         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7245         process a transformation.
7246
7247 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7248
7249         PR tree-optimization/89314
7250         * fold-const.c (fold_binary_loc): Cast strlen argument to
7251         const char * before dereferencing it.  Formatting fixes.
7252
7253         PR middle-end/89284
7254         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7255
7256 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7257
7258         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7259         and set current index for other optimizations.
7260
7261 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7262
7263         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7264         nonimmediate_operand as operand 2 predicate.
7265         (vec_set<VF2_512_256:mode>_0): Ditto.
7266         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7267         (*vec_concatv2si): Remove alternative 2.
7268         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7269         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7270         (vec_concatv2di): Split alternatives 4,5,6 to ...
7271         (*vec_concatv2di_0) ... new pattern.
7272
7273 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7274
7275         PR target/89190
7276         * config/arm/arm.c (ldm_stm_operation_p) Set
7277         addr_reg_in_reglist correctly for first register.
7278         (load_multiple_sequence): Remove dead base check.
7279         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7280
7281 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7282
7283         PR target/88847
7284         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7285         Expose as @aarch64_pred_mov.
7286         * config/aarch64/aarch64.c (aarch64_classify_address):
7287         Use expand_insn which legitimizes operands.
7288
7289 2019-02-13  Martin Liska  <mliska@suse.cz>
7290
7291         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7292         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7293         and pointer_offset fields.
7294         (initialize_argument_information): Remove usage of dead
7295         fields.
7296         * cgraph.h (struct cgraph_thunk_info): Remove
7297         add_pointer_bounds_args.
7298         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7299         fields.
7300         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7301         fields.
7302         * config/i386/i386.c (ix86_function_arg_advance): Remove
7303         unrelated comment.
7304         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7305         (def_builtin):  Remove usage of dead
7306         fields.
7307         (ix86_add_new_builtins): Likewise.
7308         * ipa-fnsummary.c (compute_fn_summary): Likewise.
7309         * ipa-icf.c (sem_function::equals_wpa): Likewise.
7310         (sem_function::init): Likewise.
7311         (sem_variable::merge): Likewise.
7312         * ipa-visibility.c (function_and_variable_visibility): Likewise.
7313         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7314         * lto-cgraph.c (lto_output_node): Likewise.
7315         (lto_output_varpool_node): Likewise.
7316         (input_node): Likewise.
7317         (input_varpool_node): Likewise.
7318         * lto-streamer-out.c (lto_output): Likewise.
7319         * tree-inline.c (expand_call_inline): Remove usage of
7320         assign_stmts.
7321         * tree-inline.h (struct copy_body_data): Likewise.
7322         * varpool.c (varpool_node::dump): Likewise.
7323
7324 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
7325
7326         PR middle-end/89303
7327         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7328         into pt->vars_contains_escaped_heap instead of setting
7329         pt->vars_contains_escaped_heap to it.
7330
7331         PR middle-end/89281
7332         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7333         INTVAL (size), compare it to GET_MODE_MASK instead of
7334         1 << GET_MODE_BITSIZE.
7335
7336         PR target/89290
7337         * config/i386/predicates.md (x86_64_immediate_operand): Allow
7338         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7339         -mcmodel=large.
7340
7341 2019-02-13  Martin Liska  <mliska@suse.cz>
7342
7343         PR lto/88858
7344         * cfgrtl.c (remove_barriers_from_footer): New function.
7345         (try_redirect_by_replacing_jump): Use it.
7346         (cfg_layout_redirect_edge_and_branch): Likewise.
7347
7348 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7349
7350         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7351         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7352         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7353         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7354         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7355         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7356         New BU_CRYPTO_2.
7357         * config/rs6000/rs6000.c (builtin_function_type)
7358         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7359         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7360         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7361         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7362         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7363
7364 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
7365
7366         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7367         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7368
7369 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7370
7371         PR target/89229
7372         * config/i386/i386.md (*movoi_internal_avx): Revert revision
7373         268678 and revision 268657.
7374         (*movti_internal): Likewise.
7375
7376 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7377
7378         PR target/89233
7379         * config/s390/s390.c (s390_decompose_address): Update comment.
7380         (s390_check_qrst_address): Reject invalid address forms after
7381         LRA.
7382
7383 2019-02-12  Martin Liska  <mliska@suse.cz>
7384
7385         PR lto/88876
7386         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7387         we need default values of funct_state for a function that
7388         is not optimized.
7389
7390 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7391
7392         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7393         the object to pick the size of stores on strict-alignment platforms.
7394
7395         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7396         (*movdi_insn_sp32): Likewise.
7397         (*movdi_insn_sp64): Likewise.
7398
7399 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7400
7401         PR lto/88677
7402         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7403         types that needs constructiong.
7404         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7405
7406 2019-02-12  Richard Biener  <rguenther@suse.de>
7407
7408         PR tree-optimization/89253
7409         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7410         duplicate the loop.
7411
7412 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7413
7414         PR lto/88147
7415         * input.c (selftest::test_line_offset_overflow): New selftest.
7416         (selftest::input_c_tests): Call it.
7417
7418 2019-02-11  Martin Sebor  <msebor@redhat.com>
7419
7420         PR tree-optimization/88771
7421         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7422         when -Wstringop-overflow is set.
7423         (builtin_memref::builtin_memref): Adjust excessive upper bound
7424         only when lower bound is not excessive.
7425         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7426         -Wstringop-ovefflow.
7427         (maybe_diag_offset_bounds): Rename...
7428         (maybe_diag_access_bounds): ...to this.
7429         (check_bounds_or_overlap): Adjust for name change above.
7430
7431 2019-02-11  Martin Sebor  <msebor@redhat.com>
7432
7433         PR c++/87996
7434         * builtins.c (max_object_size): Move from here...
7435         * builtins.h (max_object_size): ...and here...
7436         * tree.c (max_object_size): ...to here...
7437         * tree.h (max_object_size): ...and here.
7438
7439 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7440
7441         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7442         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7443         for correct semantics.
7444
7445 2019-02-11  Alan Modra  <amodra@gmail.com>
7446
7447         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7448         -mlongcall and -mpltseq.
7449         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7450         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7451         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7452         * config/rs6000/sysv4.opt (mpltseq): New option.
7453         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7454         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7455         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7456         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7457         -mpltseq given for ELFv1.
7458         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7459         Only use UNSPEC_PLTSEQ for inline PLT calls.
7460         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7461         use UNSPEC_PLTSEQ for inline PLT calls.
7462         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7463         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7464         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7465         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7466         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7467         (pltseq_mtctr_<mode>): Likewise.
7468
7469 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7470
7471         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7472         Solaris ld.
7473         * configure: Regenerate.
7474
7475 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7476
7477         PR bootstrap/88714
7478         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7479         instead of r.
7480
7481 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7482
7483         * function.c (assign_parm_setup_block): Use the stored
7484         size, not the passed size, when allocating stack-space,
7485         also for a parameter with alignment larger than
7486         MAX_SUPPORTED_STACK_ALIGNMENT.
7487
7488 2019-02-11  Martin Liska  <mliska@suse.cz>
7489
7490         PR ipa/89009
7491         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7492         * ipa-inline.c (inline_small_functions): Likewise.
7493         * ipa-pure-const.c (propagate_pure_const): Likewise.
7494         (propagate_nothrow): Likewise.
7495         * ipa-reference.c (propagate): Likewise.
7496         * ipa-utils.c (struct searchc_env): Remove unused field.
7497         (searchc): Always search across AVAIL_INTERPOSABLE.
7498         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7499         the only called IPA pure const can properly not propagate
7500         across interposable boundary.
7501         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7502
7503 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7504
7505         * config/nds32/nds32.md (call_internal, call_value_internal,
7506         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7507
7508 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7509
7510         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7511         typo.
7512
7513 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7514
7515         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7516         in comments
7517
7518 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7519
7520         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7521
7522 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7523
7524         PR tree-optimization/89268
7525         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7526         if preds is non-NULL.
7527
7528 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7529
7530         PR lto/89272
7531         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7532         polymorphic types.
7533
7534 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7535
7536         * config/nds32/nds32.md (trap): New pattern.
7537
7538 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7539
7540         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7541         dwarf span.
7542
7543 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7544
7545         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7546         to split POST_INC.
7547
7548 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7549
7550         * ipa-visibility.c (localize_node): Also do not localize
7551         LDPR_PREVAILING_DEF_IRONLY_EXP.
7552
7553 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7554
7555         PR lto/87957
7556         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7557         instead of type_with_linkage.
7558
7559 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7560
7561         PR ipa/88755
7562         * params.def (uninlined-function-insns, uninlined-function-time,
7563         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7564         bound so we don't get overflows.
7565
7566 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7567
7568         * config/rs6000/rs6000-string.c (expand_compare_loop,
7569         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7570         memcmp/strncmp.
7571
7572 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7573
7574         PR middle-end/89246
7575         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7576         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7577         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7578
7579 2019-02-09  Alan Modra  <amodra@gmail.com>
7580
7581         PR target/88343
7582         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7583         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7584         setup.
7585
7586 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7587
7588         PR middle-end/88560
7589         * lra-constraints.c (process_alt_operands): Don't increase reject
7590         for memory when offset memory is required.
7591
7592 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7593
7594         * config/s390/vector.md: Implement vector copysign.
7595
7596 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7597
7598         * expr.c (expand_constructor): Correct indentations.
7599
7600 2019-02-08  Richard Biener  <rguenther@suse.de>
7601
7602         PR tree-optimization/89247
7603         * tree-if-conv.c: Include tree-cfgcleanup.h.
7604         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7605         (tree_if_conversion): Pass through predicate vector.
7606         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7607         inline, see if any if-converted loops we refrece in
7608         LOOP_VECTORIZED calls vanished and fixup.
7609         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7610
7611 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7612
7613         * config/s390/constraints.md (jdd): New constraint.
7614
7615 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7616
7617         PR target/89229
7618         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7619         upper 16 vector registers without TARGET_AVX512VL.
7620         (*movti_internal): Likewise.
7621
7622 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7623
7624         PR rtl-optimization/89234
7625         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7626         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7627         (copy_reg_eh_region_note_backward): Likewise.
7628
7629 2019-02-08  Richard Biener  <rguenther@suse.de>
7630
7631         PR middle-end/89223
7632         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7633         doesn't fit in HWI.
7634         (analyze_subscript_affine_affine): Handle failure from
7635         initialize_matrix_A.
7636
7637 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7638
7639         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7640         cfun everywhere.
7641
7642 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7643
7644         PR tree-optimization/86637
7645         PR tree-optimization/89235
7646         * tree-vect-loop.c (optimize_mask_stores): Add an
7647         auto_purge_vect_location sentinel to ensure that vect_location is
7648         purged on exit.
7649         * tree-vectorizer.c
7650         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7651         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7652         to ensure that vect_location is purged on exit.
7653         (pass_slp_vectorize::execute): Likewise, replacing the manual
7654         reset.
7655         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7656
7657 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7658
7659         * config/aarch64/iterators.md (max_opp): New code_attr.
7660         (USMAX): New code iterator.
7661         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7662         (aarch64_smax): Likewise.
7663         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7664         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7665         MINUS (MAX MIN).
7666
7667 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7668
7669         PR target/89229
7670         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7671         for TARGET_AVX512VL.
7672         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7673
7674 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7675
7676         * config/s390/s390-builtin-types.def: Add new types.
7677         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7678         (s390_vec_xlw4): Make the memory operand into a const pointer.
7679         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7680         float.
7681         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7682         a new vector type with the alignment of the scalar memory operand.
7683
7684 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7685             Jakub Jelinek  <jakub@redhat.com>
7686
7687         PR bootstrap/88714
7688         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7689         arm_count_ldrdstrd_insns): New declarations.
7690         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7691         MINUS.
7692         (valid_operands_ldrd_strd): New function.
7693         (arm_count_ldrdstrd_insns): New function.
7694         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7695         sets instead of single DImode set and define new insns to match this.
7696
7697 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7698
7699         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7700         Make it a C initializer.
7701
7702 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7703
7704         PR/target 88850
7705         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7706
7707 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7708
7709         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7710         Use neon_dot<q> for type.
7711         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7712
7713 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7714
7715         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7716         Use neon_dot<q> for type.
7717         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7718         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7719
7720 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7721
7722         PR rtl-optimization/89225
7723         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7724         sizes check.
7725
7726 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7727
7728         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7729         after restoring registers saved to allocate the frame on Windows.
7730
7731 2019-02-06  Richard Biener  <rguenther@suse.de>
7732
7733         PR tree-optimization/89182
7734         * graphite.h (cached_scalar_evolution_in_region): Declare.
7735         * graphite.c (struct seir_cache_key): New.
7736         (struct sese_scev_hash): Likewise.
7737         (seir_cache): New global.
7738         (cached_scalar_evolution_in_region): New function.
7739         (graphite_transform_loops): Allocate and release seir_cache.
7740         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7741         cached_scalar_evolution_in_region.
7742         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7743         Simplify.
7744         (scop_detection::graphite_can_represent_expr: Use
7745         cached_scalar_evolution_in_region.
7746         (scop_detection::stmt_simple_for_scop_p): Likewise.
7747         (find_params_in_bb): Likewise.
7748         (gather_bbs::before_dom_children): Likewise.
7749         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7750         (add_loop_constraints): Likewise.
7751
7752 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7753
7754         PR middle-end/89210
7755         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7756         operand to new_unary_operation only if both element types are integral
7757         and it isn't a widening conversion.  Return NULL_TREE if
7758         new_unary_operation failed.
7759
7760 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7761
7762         PR target/88856
7763         * config/s390/s390.md: Remove load and test FP splitter.
7764
7765 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7766
7767         PR target/89112
7768         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7769         expand_compare_loop, expand_block_compare_gpr,
7770         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7771         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7772         #include "profile-count.h" and "predict.h" for types and functions
7773         needed to work with REG_BR_PROB notes.
7774
7775 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7776
7777         PR target/89112
7778         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7779         for the long branch case.
7780
7781 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7782
7783         PR target/89188
7784         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7785         can throw, non-call exceptions are enabled and we can't delete
7786         dead exceptions or alter cfg.  Set must_clean if
7787         delete_insn_and_edges returns true, don't set it blindly for calls.
7788         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7789
7790         PR rtl-optimization/89195
7791         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7792         of the original MEM.
7793
7794 2019-02-05  Martin Liska  <mliska@suse.cz>
7795
7796         PR gcov-profile/89000
7797         * gcov.c (function_summary): Remove argument.
7798         (file_summary): New function.
7799         (print_usage): Replace tabs with spaces.
7800         (generate_results): Use new function file_summary.
7801
7802 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7803
7804         PR target/89186
7805         * optabs.c (prepare_cmp_insn): Pass x and y to
7806         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7807
7808 2019-02-05  Richard Biener  <rguenther@suse.de>
7809
7810         PR middle-end/89150
7811         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7812         (struct bitmap_element): Drop chain_prev so we properly recurse on
7813         the prev member, supporting tree views.
7814         (struct bitmap_head): GTY skip the obstack member.
7815
7816 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7817
7818         PR c/88698
7819         * doc/extend.texi (Vector Extensions): Add an example of using vector
7820         types together with x86 intrinsics.
7821
7822 2019-02-04  Alan Modra  <amodra@gmail.com>
7823
7824         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7825         str[] size to 160, and comment.
7826
7827 2019-02-04  Alan Modra  <amodra@gmail.com>
7828
7829         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7830         (rs6000_pltseq_template): Guard output of TLS markers with
7831         TARGET_TLS_MARKERS.
7832         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7833         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7834         to use inline PLT sequences.
7835         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7836         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7837         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7838
7839 2019-02-04  Martin Liska  <mliska@suse.cz>
7840
7841         PR ipa/88985
7842         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7843         out when ipa_fn_summaries does not contain entry for callee.
7844
7845 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7846
7847         * config/sparc/sparc.h: Remove superfluous blank lines.
7848         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7849         (got_register_rtx): ...this.
7850         (sparc_got): Adjust to above renaming.
7851         (sparc_tls_got): Likewise.
7852         (sparc_delegitimize_address): Likewise.
7853         (sparc_output_mi_thunk): Likewise.
7854         (sparc_init_pic_reg): Likewise.
7855         (save_local_or_in_reg_p): Fix test on the GOT register.
7856         (USE_HIDDEN_LINKONCE): Move around.
7857         (get_pc_thunk_name): Likewise.
7858         (gen_load_pcrel_sym): Likewise.
7859         (load_got_register): Likewise.
7860
7861 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7862
7863         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7864         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7865
7866 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7867
7868         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7869         into consideration.
7870
7871 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7872
7873         * config.gcc (with_nds32_lib, glibc):
7874         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7875         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7876         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7877
7878 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7879
7880         PR target/89071
7881         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7882         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7883         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7884         (*rcpsf2_sse): Ditto.
7885         (*rsqrtsf2_sse): Ditto.
7886         (sse4_1_round<mode<2): Ditto.
7887
7888 2019-02-03  Richard Biener  <rguenther@suse.de>
7889
7890         PR debug/87295
7891         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7892         orig.
7893
7894 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7895
7896         PR middle-end/87887
7897         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7898         Punt with warning on aggregate return or argument types.  Ignore
7899         type/mode checking for uniform arguments.
7900
7901 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7902
7903         * combine.c (try_combine): Do not print "Can't combine" messages unless
7904         printing failed combination attempts.
7905
7906 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7907
7908         PR hsa/87863
7909         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7910         segment and global segment variables before making them static.
7911
7912 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7913
7914         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7915         missed optimization dump with dump_enabled_p.
7916
7917 2019-02-01  Richard Biener  <rguenther@suse.de>
7918
7919         PR middle-end/88597
7920         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7921         the instantiate cache.
7922         (instantiate_scev_binary): Elide second operand procesing
7923         if equal to the first.
7924         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7925         (chrec_contains_undetermined): Likewise.
7926         (tree_contains_chrecs): Likewise.
7927
7928 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7929
7930         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7931
7932 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7933
7934         PR tree-optimization/89143
7935         * wide-int-range.h (wide_int_range_absu): Declare.
7936         * wide-int-range.cc (wide_int_range_absu): New function.
7937         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7938
7939         PR tree-optimization/88107
7940         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7941         instead of assertion that eh_region_outermost is non-NULL, if it
7942         is NULL, set *ALL to true and return NULL.
7943         (move_sese_region_to_fn): Adjust caller, if all is set, call
7944         duplicate_eh_regions with NULL region.
7945
7946 2019-02-01  Richard Biener  <rguenth@suse.de>
7947
7948         PR rtl-optimization/88593
7949         * mode-switching.c (optimize_mode_switching): Free dominators before
7950         calling cleanup_cfg.
7951
7952 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7953
7954         PR tree-optimization/88932
7955         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7956
7957 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7958
7959         PR middle-end/89137
7960         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7961         bogus clang warning.
7962
7963 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7964
7965         PR target/89071
7966         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7967         alternative to avoid partial SSE register stall for TARGET_AVX.
7968         (truncdfsf2): Ditto.
7969         (sse4_1_round<mode>2): Ditto.
7970
7971 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7972
7973         PR tree-optimization/89008
7974         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7975         process anything of the form X * 0.
7976
7977 2019-01-31  Richard Biener  <rguenther@suse.de>
7978
7979         PR tree-optimization/89135
7980         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7981         with abnormal preds.
7982
7983 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7984
7985         PR sanitizer/89124
7986         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7987         always_inline callees into no_sanitize_address callers.
7988
7989 2019-01-31  Richard Biener  <rguenther@suse.de>
7990
7991         PR rtl-optimization/89115
7992         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7993
7994 2019-01-30  Martin Sebor  <msebor@redhat.com>
7995
7996         PR other/89106
7997         * doc/extend.texi (cast to a union): Correct and expand.
7998
7999 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8000
8001         PR rtl-optimization/87246
8002         * lra-constraints.c (simplify_operand_subreg): Reload memory
8003         in subreg if the address became invalid.
8004
8005 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8006
8007         PR target/87064
8008         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8009         Disable for little-endian.
8010
8011 2019-01-30  Richard Biener  <rguenther@suse.de>
8012
8013         PR rtl-optimization/89115
8014         * opts.c (default_options_optimization): Reduce
8015         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8016         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8017         to the default.
8018
8019 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8020
8021         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8022         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8023         type of vector element when vec_extract is implemented by direct
8024         move.
8025
8026 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8027
8028         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8029
8030 2019-01-30  Richard Biener  <rguenther@suse.de>
8031
8032         PR tree-optimization/89111
8033         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8034         canonicalization to appropriately sized access types.
8035
8036 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8037
8038         PR c++/89105
8039         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8040         for arguments to functions that are TU-local and shouldn't be
8041         referenced by assembly.
8042
8043 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8044
8045         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8046         after '='.
8047
8048 2019-01-29  Martin Sebor  <msebor@redhat.com>
8049
8050         PR c/88956
8051         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8052
8053 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8054
8055         PR c++/66676
8056         PR ipa/89104
8057         * omp-simd-clone.c (simd_clone_clauses_extract)
8058         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8059         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8060
8061 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8062
8063         * config.gcc: Force .init_array for ARC.
8064
8065 2019-01-29  Richard Biener  <rguenther@suse.de>
8066
8067         PR debug/87295
8068         * dwarf2out.c (collect_skeleton_dies): New helper.
8069         (copy_decls_for_unworthy_types): Call it.
8070         (build_abbrev_table): Assert we do not try to replace
8071         DW_AT_signature refs with local refs.
8072
8073 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8074
8075         PR middle-end/89002
8076         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8077         for lastprivate/linear IV, push gimplify context around gimplify_assign
8078         and, if it needed any temporaries, pop it into a gimple bind around the
8079         sequence.
8080
8081 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8082
8083         * common.opt (-Wattribute-alias): Remove "no-" from name.
8084         Make -Wattribute-alias command line option and
8085         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8086
8087 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8088
8089         PR target/89073
8090         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8091         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8092         x86 ISA options.
8093         (bmi2): Add missing @opindex.
8094         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8095         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8096         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8097         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8098         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8099         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8100         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8101         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8102         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8103         xsavec, xsaveopt and xsaves options.
8104
8105 2019-01-28  Richard Biener  <rguenther@suse.de>
8106
8107         PR debug/89076
8108         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8109         support removal.
8110
8111 2019-01-28  Richard Biener  <rguenther@suse.de>
8112
8113         PR tree-optimization/88739
8114         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8115         BIT_FIELD_REFs only are applied to mode-precision operands
8116         when they are integral.
8117         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8118         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8119         BIT_FIELD_REFs of non-mode-precision integral operands.
8120
8121 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8122
8123         PR target/87214
8124         * config/i386/sse.md
8125         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8126         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8127         first constants in pairs are multiples of 2.  Formatting fixes.
8128         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8129         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8130         first constants in each quadruple are multiples of 4.  Formatting fixes.
8131
8132 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8133
8134         PR ipa/88933
8135         * tree-inline.c: Include tree-cfgcleanup.h.
8136         (delete_unreachable_blocks_update_callgraph): Move...
8137         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8138         ...here, make externally visible, make second argument bool, adjust
8139         all callers.
8140         * tree-cfgcleanup.c: Include cgraph.h.
8141         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8142         Declare.
8143         * ipa-prop.c: Include tree-cfgcleanup.h.
8144         (ipcp_transform_function): Call
8145         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8146
8147 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8148
8149         PR rtl-optimization/88846
8150         * ira.c (process_set_for_memref_referenced_p): New.
8151         (memref_referenced_p): Add new param.  Use
8152         process_set_for_memref_referenced_p.  Add new switch cases.
8153         (memref_used_between_p): Pass new arg to memref_referenced_p.
8154
8155 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8156
8157         PR target/88469
8158         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8159         argument ABI_BREAK.  Set to true if the calculated alignment has
8160         changed in gcc-9.  Check bit-fields for their base type alignment.
8161         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8162         (aarch64_function_arg_boundary): Likewise.
8163         (aarch64_gimplify_va_arg_expr): Likewise.
8164
8165 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8166
8167         PR middle-end/89037
8168         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8169         instead of accessing TREE_INT_CST_ELT directly.
8170
8171 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8172
8173         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8174         fenv_exceptions description.
8175
8176 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8177
8178         PR rtl-optimization/87763
8179         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8180         Allow SUBREG when matching CC_NZmode compare.
8181
8182 2019-01-25  Richard Biener  <rguenther@suse.de>
8183
8184         PR tree-optimization/89049
8185         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8186         Look at the pattern stmt to determine if the stmt is vectorized.
8187
8188 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8189
8190         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8191         (pred_mov<mode>): Handle all-register forms using both a new
8192         alternative and a split.
8193
8194 2019-01-25  Richard Biener  <rguenther@suse.de>
8195
8196         PR tree-optimization/86865
8197         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8198         Reject non-do-while loops.
8199
8200 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8201
8202         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8203         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8204         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8205         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8206         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8207         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8208         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8209         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8210         vlogical_operand, gpc_reg_operand, int_reg_operand,
8211         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8212         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8213         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8214         (save_world_operation, restore_world_operation, lmw_operation,
8215         stmw_operation): Use MEM_P and REG_P.
8216         (tie_operand): Use MEM_P.
8217         (vrsave_operation, crsave_operation): Use REG_P.
8218         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8219         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8220         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8221         (call_operand): Use HARD_REGISTER_P.
8222         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8223         Use CONST_INT_P.
8224         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8225         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8226         quad_aligned_load_p, replace_swapped_aligned_store,
8227         recombine_lvx_pattern, replace_swapped_aligned_load,
8228         recombine_stvx_pattern): Use MEM_P.
8229         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8230         Use MEM_P and SYMBOL_REF_P.
8231         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8232         (insn_is_swappable_p): Use REG_P and MEM_P.
8233         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8234         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8235         Use CONST_INT_P.
8236         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8237         Use CONST_DOUBLE_P.
8238         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8239         CONST_WIDE_INT_P.
8240         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8241         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8242         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8243         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8244         reg_or_subregno:
8245         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8246         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8247         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8248         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8249         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8250         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8251         rs6000_split_logical_di): Use CONST_INT_P.
8252         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8253         REG_P and SYMBOL_REF_P.
8254         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8255         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8256         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8257         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8258         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8259         (small_data_operand, print_operand_address): Use CONST_INT_P and
8260         SYMBOL_REF_P.
8261         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8262         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8263         Use HARD_REGISTER_NUM_P.
8264         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8265         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8266         SUBREG_P and SYMBOL_REF_P.
8267         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8268         and HARD_REGISTER_NUM_P.
8269         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8270         reg_or_subregno.
8271         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8272         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8273         MEM_P and REG_P.
8274         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8275         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8276         find_addr_reg): Use REG_P.
8277         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8278         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8279         (offsettable_ok_by_alignment, constant_pool_expr_p,
8280         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8281         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8282         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8283         rs6000_assemble_integer, create_TOC_reference,
8284         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8285         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8286         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8287         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8288         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8289         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8290         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8291         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8292         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8293         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8294         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8295         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8296         and cbranch<mode>4): Use CONST_INT_P.
8297         (multiple define_splits): Use REG_P and SUBREG_P.
8298         (define_expands call, call_value): Use MEM_P.
8299         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
8300         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8301         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8302         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8303         and HARD_REGISTER_NUM_P.
8304         (multiple define_splits): Use HARD_REGISTER_NUM_P.
8305
8306 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
8307
8308         PR rtl-optimization/88948
8309         * rtl.h (prepare_copy_insn): New prototype.
8310         * gcse.c (prepare_copy_insn): New function, split out from
8311         process_insert_insn.
8312         (process_insert_insn): Use prepare_copy_insn.
8313         * store-motion.c (replace_store_insn): Use prepare_copy_insn
8314         instead of gen_move_insn.
8315
8316 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
8317
8318         PR debug/89006
8319         * config/i386/i386.c (ix86_pic_register_p): Return true for
8320         UNSPEC_SET_GOT too.
8321
8322         PR tree-optimization/88964
8323         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8324         punt if HONOR_SNANS (chrec).
8325
8326         PR middle-end/89015
8327         * tree-nested.c (convert_nonlocal_reference_stmt,
8328         convert_local_reference_stmt, convert_tramp_reference_stmt,
8329         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8330         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8331         or GIMPLE_OMP_TASK.
8332
8333         PR tree-optimization/89027
8334         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8335         for "omp simd array" variables.
8336
8337 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
8338
8339         PR target/88469
8340         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8341         force the alignment of m_val.
8342
8343 2019-01-24  Richard Biener  <rguenther@suse.de>
8344
8345         PR lto/87187
8346         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8347         When in "legacy" debug mode make sure to reset self-origins.
8348
8349 2019-01-24  Martin Liska  <mliska@suse.cz>
8350
8351         PR gcov-profile/88994
8352         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8353         result will be always smaller or equal to the original.
8354         * gcov.c (mangle_name): Fix else branch where we should
8355         also copy to PTR and shift the pointer.
8356
8357 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8358
8359         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8360         * vr-values.c (find_case_label_ranges): Fix a comment typo.
8361
8362 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
8363
8364         * common/config/i386/i386-common.c
8365         (OPTION_MASK_ISA_ENQCMD_SET,
8366         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8367         (ix86_handle_option): Handle -menqcmd.
8368         * config.gcc (enqcmdintrin.h): New header file.
8369         * config/i386/cpuid.h (bit_ENQCMD): New bit.
8370         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8371         -menqcmd.
8372         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8373         function type.
8374         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8375         __builtin_ia32_enqcmds): New builtins.
8376         * config/i386/i386-c.c (__ENQCMD__): New macro.
8377         * config/i386/i386-option.c (ix86_target_string): Add
8378         -menqcmd.
8379         (ix86_valid_target_attribute_inner_p): Likewise.
8380         * config/i386/i386-expand.c
8381         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8382         IX86_BUILTIN_ENQCMDS.
8383         * config/i386/i386.h (TARGET_ENQCMD): New.
8384         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8385         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8386         (movdir64b_<mode>): Parameterize to enable share expansion code
8387         with ENQCMD in function ix86_expand_builtin.
8388         * config/i386/i386.opt: Add -menqcmd.
8389         * config/i386/immintrin.h: Include enqcmdintrin.h.
8390         * config/i386/enqcmdintrin.h: New intrinsic file.
8391         * doc/invoke.texi: Add -menqcmd.
8392
8393 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8394             Steve Ellcey <sellcey@marvell.com>
8395
8396         PR target/85711
8397         * recog.c (address_operand): Return false on wrong mode for address.
8398         (constrain_operands): Check for mode with 'p' constraint.
8399
8400 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8401
8402         PR target/88998
8403         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8404         Disparage MMX alternative.
8405         (sse2_cvtpd2pi): Ditto.
8406         (sse2_cvttpd2pi): Ditto.
8407
8408 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8409
8410         PR driver/89014
8411         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8412         use-after-free of the result of
8413         aarch64_get_extension_string_for_isa_flags.
8414
8415 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8416
8417         PR c/44715
8418         * doc/extend.texi: Document break and continue behavior in
8419         statement expressions.
8420
8421 2019-01-23  Richard Biener  <rguenther@suse.de>
8422
8423         PR tree-optimization/89008
8424         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8425         not leave another stray operand.
8426
8427 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8428
8429         * BASE-VER: Bump to 9.0.1.
8430
8431 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8432
8433         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8434         thunk that returns by reference, use the type of the return object
8435         of the thunk instead of that of the alias to build the dereference.
8436
8437 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8438
8439         * config/arc/atomic.md: Add operand to DMB instruction.
8440
8441 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8442
8443         PR tree-optimization/88964
8444         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8445         build_zero_cst instead of build_int_cst.  Return false for loop
8446         invariants which honor signed zeros.
8447
8448 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8449
8450         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8451
8452 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8453
8454         PR target/88965
8455         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8456         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8457         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8458
8459         PR middle-end/88968
8460         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8461         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8462
8463         PR target/87064
8464         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8465         Disable for little endian.
8466
8467 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8468
8469         PR target/88469
8470         * config/arm/arm.c (arm_needs_double_word_align): Check
8471         DECL_BIT_FIELD_TYPE.
8472
8473 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8474             H.J. Lu  <hongjiu.lu@intel.com>
8475
8476         PR target/88909
8477         * config/i386/i386-builtin.def: Add mask2 to all builtin
8478         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8479         SPECIAL_ARGS.
8480         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8481         (BDESC_FIRST): Likewise.
8482         (define_builtin): Add an argument for mask2.  Updated to handle
8483         both ix86_isa_flags and ix86_isa_flags2.
8484         (define_builtin_const): Likewise.
8485         (define_builtin_pure): Likewise.
8486         (define_builtin2): Deleted.
8487         (define_builtin_const2): Likewise.
8488         (builtin_description): Add a member, mask2.
8489         (bdesc_*): Add mask2 to builtin initializations.
8490         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8491         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8492         support.
8493         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8494
8495 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8496
8497         PR target/88954
8498         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8499         noplt attribute.
8500
8501 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8502
8503         PR target/88469
8504         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8505         alignment is dominated by a bitfield with 64-bit aligned base type.
8506         (arm_function_arg): Emit a warning if the alignment has changed since
8507         earlier GCC releases.
8508         (arm_function_arg_boundary): Likewise.
8509         (arm_setup_incoming_varargs): Likewise.
8510
8511 2019-01-22  Richard Biener  <rguenther@suse.de>
8512
8513         PR tree-optimization/88862
8514         * graphite-scop-detection.c
8515         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8516
8517 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8518
8519         * doc/extend.tex (AMD GCN Function Attributes): New section.
8520         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8521         * doc/invoke.texi (AMD GCN Options): New section.
8522         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8523
8524 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8525
8526         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8527         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8528
8529 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8530
8531         PR tree-optimization/88044
8532         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8533         is false in the first iteration, but !every_iteration, return false
8534         instead of true with niter->niter zero.
8535
8536         PR rtl-optimization/88904
8537         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8538         any nonequal registers before processing BB_END (b).
8539
8540         PR target/88905
8541         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8542         GET_MODE (op0).
8543         (expand_binop_directly, expand_doubleword_clz,
8544         expand_doubleword_popcount, expand_ctz, expand_ffs,
8545         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8546
8547         PR rtl-optimization/49429
8548         PR target/49454
8549         PR rtl-optimization/86334
8550         PR target/88906
8551         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8552         addressable from here...
8553         (emit_block_op_via_libcall): ... to here.
8554
8555 2019-01-22  Richard Biener  <rguenther@suse.de>
8556
8557         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8558         auto_vec for cost vector to fix memleak.
8559         (vectorize_fold_left_reduction): Properly gather SLP defs.
8560         (vectorizable_comparison): Do not swap operands to properly
8561         gather SLP defs.
8562
8563 2019-01-22  Alan Modra  <amodra@gmail.com>
8564
8565         PR target/88614
8566         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8567         stays a reg.  Allow a const_int.
8568         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8569         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8570         (IS_NOMARK_TLSGETADDR): Define.
8571         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8572         (rs6000_output_tlsargs): New function.
8573         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8574         __tls_get_addr call takes an arg.
8575         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8576         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8577         delete split..
8578         (call_value_nonlocal_sysv): ..or here, delete split.
8579         (tls_gdld_nomark): Delete.
8580         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8581         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8582         (call_value_nonlocal_sysv): Likewise.
8583         (call_value_nonlocal_sysv_secure): Likewise.
8584         (call_value_nonlocal_aix): Likewise.
8585         (call_value_indirect_aix): Likewise.
8586         (call_value_indirect_elfv2): Likewise.
8587         (call_value_local32, call_value_local64): Disable for no-mark tls.
8588         (call_value_local_aix): Likewise.
8589
8590 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8591
8592         PR target/88938
8593         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8594         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8595
8596 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8597
8598         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8599         string contents as hash_map keys.
8600
8601 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8602
8603         PR c/88928
8604         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8605         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8606         instead of TYPE_ALIGN.
8607         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8608         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8609         pointer from TYPE_STUB_DECL.
8610
8611 2019-01-21  Richard Biener  <rguenther@suse.de>
8612
8613         PR tree-optimization/88934
8614         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8615         at the possibly non-constant operand.
8616         (vect_get_constant_vectors): Adjust.
8617
8618 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8619
8620         PR target/71659
8621         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8622         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8623         instead of _X86INTRIN_H_INCLUDED.
8624         * onfig/i386/clwbintrin.h: Likewise.
8625         * config/i386/pkuintrin.h: Likewise.
8626         * config/i386/prfchwintrin.h: Likewise.
8627         * config/i386/rdseedintrin.h: Likewise.
8628         * config/i386/wbnoinvdintrin.h: Likewise.
8629         * config/i386/xsavecintrin.h: Likewise.
8630         * config/i386/xsavesintrin.h: Likewise.
8631         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8632         * config/i386/xsaveintrin.h: Likewise.
8633         * config/i386/xsaveoptintrin.h: Likewise.
8634         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8635         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8636         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8637         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8638         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8639         * config/i386/immintrin.h: Here.
8640
8641 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8642
8643         PR ipa/87615
8644         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8645         with aa_walk_budget.
8646         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8647         aa_walk_budget_p parameter.
8648         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8649         walk.  Updated all callers.
8650         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8651         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8652         unmodified_parm.
8653         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8654         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8655         and to unmodified_parm.
8656         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8657         info, updated call to will_be_nonconstant_expr_predicate.
8658         (param_change_prob): New parameter fbi, limit AA walking.
8659         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8660         calls to various above functions.
8661         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8662         parameter.  Use it to limit AA walking.
8663         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8664         fbi, limit AA walk.
8665         (detect_type_change): New parameter fbi, pass it on to
8666         detect_type_change_from_memory_writes.
8667         (detect_type_change_ssa): Likewise.
8668         (aa_overwalked): Removed.
8669         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8670         accordingly, adjust to the neew AA limiting scheme.
8671         (parm_ref_data_preserved_p): Likewise.
8672         (ipa_compute_jump_functions_for_edge): Adjust call to
8673         get_dynamic_type.
8674         (ipa_analyze_call_uses): Likewise.
8675         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8676         (ipa_analyze_node): Initialize aa_walk_budget.
8677         (ipcp_transform_function): Likewise.
8678         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8679         to get_dynamic_type.
8680
8681 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8682
8683         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8684         outside of #if CHECKING_P code.
8685
8686 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8687
8688         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8689         New function, split out from...
8690         (loop_versioning::analyze_stride): ...here.
8691         (loop_versioning::find_per_loop_multiplication): Use gassign.
8692         (loop_versioning::analyze_term_using_scevs): Return a success code.
8693         (loop_versioning::analyze_arbitrary_term): New function.
8694         (loop_versioning::analyze_address_fragment): Use
8695         analyze_arbitrary_term if all else fails.
8696
8697 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8698
8699         PR target/88892
8700         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8701         operands.
8702
8703 2019-01-18  Richard Biener  <rguenther@suse.de>
8704
8705         PR tree-optimization/88903
8706         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8707         scalar stmts a SLP shift amount is composed of when detecting
8708         shifts by scalars.
8709
8710 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8711
8712         PR target/88799
8713         * config/arm/arm-cpus.in (mp): New feature.
8714         (sec): New feature.
8715         (fgroup ARMv7ve): Add mp and sec features.
8716         (arch armv7-a): Add options to allow mp and sec extensions.
8717         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8718         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8719         extenstions to the base architecture.
8720         (cpu cortex-a8): Add sec extension to the base architecture.
8721         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8722         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8723         variants down to the base v7-a varaint.
8724         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8725         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8726         of permitted extensions for -march=armv7-a and for
8727         -mcpu=generic-armv7-a.
8728
8729 2019-01-18  Martin Liska  <mliska@suse.cz>
8730
8731         * params.def: Fix comment.
8732         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8733         name.
8734         (gimple_gen_ic_func_profiler): Likewise.
8735
8736 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8737
8738         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8739         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8740         and put in error checks for stack protector guard options.
8741         (aarch64_stack_protect_guard): New.
8742         (TARGET_STACK_PROTECT_GUARD): Define.
8743         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8744         (reg_stack_protect_address<mode>): New.
8745         (stack_protect_set): Adjust for SSP_GLOBAL.
8746         (stack_protect_test): Likewise.
8747         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8748         (-mstack-protector-guard): Likewise.
8749         (-mstack-protector-guard-offset): Likewise.
8750
8751 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8752
8753         PR tree-optimization/86214
8754         * tree-inline.h (struct copy_body_data): Add
8755         add_clobbers_to_eh_landing_pads member.
8756         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8757         (copy_edges_for_bb): Call it if EH edge destination is <
8758         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8759         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8760         if flag_stack_reuse != SR_NONE and clear it afterwards.
8761
8762 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8763
8764         PR target/85596
8765         * doc/install.texi (with-multilib-list): Document for aarch64.
8766
8767 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8768
8769         PR target/88734
8770         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8771         (("..."))) with ("...").
8772
8773 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8774
8775         * doc/extend.texi (Built-in Functions for Memory Model Aware
8776         Atomic Operations): Document atomic fetch and nand.
8777
8778 2019-01-18  Martin Liska  <mliska@suse.cz>
8779             Richard Biener  <rguenther@suse.de>
8780
8781         PR middle-end/88587
8782         * cgraph.h (create_version_clone_with_body): Add new argument
8783         with attributes.
8784         * cgraphclones.c (cgraph_node::create_version_clone): Add
8785         DECL_ATTRIBUTES to a newly created decl.  And call
8786         valid_attribute_p so that proper cl_target_optimization_node
8787         is set for the newly created declaration.
8788         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8789         for declaration.
8790         (expand_target_clones): Do not call valid_attribute_p, it must
8791         be already done.
8792         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8793         vector types.
8794
8795 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8796
8797         PR target/88734
8798         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8799         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8800         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8801
8802 2019-01-17  Martin Sebor  <msebor@redhat.com>
8803
8804         PR middle-end/88273
8805         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8806         Handle anti-ranges the same as no range at all.
8807
8808 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8809
8810         * config/aarch64/aarch64.c (cgraph.h): New include.
8811         (intl.h): New include.
8812         (supported_simd_type): New function.
8813         (currently_supported_simd_type): Ditto.
8814         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8815         (aarch64_simd_clone_adjust): Ditto.
8816         (aarch64_simd_clone_usable): Ditto.
8817         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8818         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8819         (TARGET_SIMD_CLONE_USABLE): Ditto.
8820         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8821         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8822         call.
8823
8824 2019-01-17  Martin Sebor  <msebor@redhat.com>
8825
8826         PR tree-optimization/88800
8827         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8828         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8829         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8830         redundant argument.  Add new argument and issue diagnostics under
8831         its control.  Detect out-of-bounds access even with warnings
8832         disabled.
8833         (check_bounds_or_overlap): Change return type.  Add argument.
8834         (wrestrict_dom_walker::check_call): Adjust.
8835         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8836         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8837         check_bounds_or_overlap's return value.
8838         (handle_builtin_stxncpy): Same.
8839         (handle_builtin_strcat): Same.
8840
8841 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8842             Kwok Cheung Yeung  <kcy@codesourcery.com>
8843             Julian Brown  <julian@codesourcery.com>
8844             Tom de Vries  <tom@codesourcery.com>
8845
8846         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8847
8848 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8849
8850         * doc/sourcebuild.texi: Document dg-require-effective-target
8851         llvm_binutils and offload_gcn.
8852
8853 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8854             Kwok Cheung Yeung  <kcy@codesourcery.com>
8855             Julian Brown  <julian@codesourcery.com>
8856             Tom de Vries  <tom@codesourcery.com>
8857
8858         * doc/sourcebuild.texi: Document dg-required-effective-target
8859         exceptions.
8860
8861 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8862             Kwok Cheung Yeung  <kcy@codesourcery.com>
8863             Julian Brown  <julian@codesourcery.com>
8864             Tom de Vries  <tom@codesourcery.com>
8865             Jan Hubicka  <hubicka@ucw.cz>
8866             Martin Jambor  <mjambor@suse.cz>
8867
8868         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8869         * configure.ac: Check for dlopen.
8870         * configure: Regenerate.
8871
8872 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8873             Kwok Cheung Yeung  <kcy@codesourcery.com>
8874             Julian Brown  <julian@codesourcery.com>
8875             Tom de Vries  <tom@codesourcery.com>
8876             Jan Hubicka  <hubicka@ucw.cz>
8877             Martin Jambor  <mjambor@suse.cz>
8878
8879         * common/config/gcn/gcn-common.c: New file.
8880         * config/gcn/driver-gcn.c: New file.
8881         * config/gcn/gcn-builtins.def: New file.
8882         * config/gcn/gcn-hsa.h: New file.
8883         * config/gcn/gcn-modes.def: New file.
8884         * config/gcn/gcn-opts.h: New file.
8885         * config/gcn/gcn-passes.def: New file.
8886         * config/gcn/gcn-protos.h: New file.
8887         * config/gcn/gcn-run.c: New file.
8888         * config/gcn/gcn-tree.c: New file.
8889         * config/gcn/gcn.c: New file.
8890         * config/gcn/gcn.h: New file.
8891         * config/gcn/gcn.opt: New file.
8892         * config/gcn/t-gcn-hsa: New file.
8893
8894 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8895             Kwok Cheung Yeung  <kcy@codesourcery.com>
8896             Julian Brown  <julian@codesourcery.com>
8897             Tom de Vries  <tom@codesourcery.com>
8898             Jan Hubicka  <hubicka@ucw.cz>
8899             Martin Jambor  <mjambor@suse.cz>
8900
8901         * config/gcn/constraints.md: New file.
8902         * config/gcn/gcn-valu.md: New file.
8903         * config/gcn/gcn.md: New file.
8904         * config/gcn/predicates.md: New file.
8905
8906 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8907
8908         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8909         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8910         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8911         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8912
8913 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8914
8915         PR target/88851
8916         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8917         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8918         it and document registers.
8919
8920 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8921
8922         * config/aarch64/aarch64.c (ares_tunings): Define.
8923         * config/aarch64/aarch64-cores.def (ares): Use the above.
8924
8925 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8926
8927         PR target/88794
8928         Revert:
8929         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8930
8931         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8932         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8933         (_mm512_maskz_fixupimm_round_pd): Ditto.
8934         (_mm512_fixupimm_round_ps): Ditto.
8935         (_mm512_maskz_fixupimm_round_ps): Ditto.
8936         (_mm_fixupimm_round_sd): Ditto.
8937         (_mm_maskz_fixupimm_round_sd): Ditto.
8938         (_mm_fixupimm_round_ss): Ditto.
8939         (_mm_maskz_fixupimm_round_ss): Ditto.
8940         (_mm512_fixupimm_pd): Ditto.
8941         (_mm512_maskz_fixupimm_pd): Ditto.
8942         (_mm512_fixupimm_ps): Ditto.
8943         (_mm512_maskz_fixupimm_ps): Ditto.
8944         (_mm_fixupimm_sd): Ditto.
8945         (_mm_maskz_fixupimm_sd): Ditto.
8946         (_mm_fixupimm_ss): Ditto.
8947         (_mm_maskz_fixupimm_ss): Ditto.
8948         (_mm512_mask_fixupimm_round_pd): Update builtin.
8949         (_mm512_mask_fixupimm_round_ps): Ditto.
8950         (_mm_mask_fixupimm_round_sd): Ditto.
8951         (_mm_mask_fixupimm_round_ss): Ditto.
8952         (_mm512_mask_fixupimm_pd): Ditto.
8953         (_mm512_mask_fixupimm_ps): Ditto.
8954         (_mm_mask_fixupimm_sd): Ditto.
8955         (_mm_mask_fixupimm_ss): Ditto.
8956         * config/i386/avx512vlintrin.h:
8957         (_mm256_fixupimm_pd): Update parameters and builtin.
8958         (_mm256_maskz_fixupimm_pd): Ditto.
8959         (_mm256_fixupimm_ps): Ditto.
8960         (_mm256_maskz_fixupimm_ps): Ditto.
8961         (_mm_fixupimm_pd): Ditto.
8962         (_mm_maskz_fixupimm_pd): Ditto.
8963         (_mm_fixupimm_ps): Ditto.
8964         (_mm_maskz_fixupimm_ps): Ditto.
8965         (_mm256_mask_fixupimm_pd): Update builtin.
8966         (_mm256_mask_fixupimm_ps): Ditto.
8967         (_mm_mask_fixupimm_pd): Ditto.
8968         (_mm_mask_fixupimm_ps): Ditto.
8969         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8970         * config/i386/i386-builtin.def: Update builtin definitions.
8971         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8972         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8973         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8974         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8975         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8976         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8977         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8978         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8979         * config/i386/subst.md:
8980         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8981         (round_saeonly_sd_mask_op4): Ditto.
8982         (round_saeonly_expand_operand5): Ditto.
8983         (round_saeonly_expand): Update.
8984
8985 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8986
8987         PR target/88794
8988         Revert:
8989         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8990
8991         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8992         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8993         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8994         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8995         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8996         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8997         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8998
8999 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9000
9001         PR target/88794
9002         Revert:
9003         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9004
9005         PR target/88489
9006         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9007         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9008         instead of UNSPEC_FIXUPIMM.
9009
9010 2019-01-17  Richard Biener  <rguenther@suse.de>
9011
9012         PR lto/86736
9013         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9014         and friends for the LTO part of debug info.
9015
9016 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9017
9018         PR tree-optimization/86214
9019         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9020         if x == y.
9021
9022         PR rtl-optimization/88870
9023         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9024         throw if we can't alter the cfg or delete dead exceptions.
9025         (mark_insn): Don't call find_call_stack_args for such calls.
9026
9027 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9028
9029         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9030         prototypes for vec_st.
9031         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9032         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9033         mainly on signed/unsigned long long and double.
9034
9035 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9036
9037         PR target/88861
9038         * combine.c (delete_noop_moves): Convert to "bool" return,
9039         returning true if any edges are eliminated.
9040         (combine_instructions): Also return true if delete_noop_moves
9041         returns true.
9042
9043 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9044
9045         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9046         correct max nunits for endian swap.
9047         (aarch64_expand_fcmla_builtin): Correct subreg code.
9048         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9049         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9050         lane endianness.
9051
9052 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9053
9054         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9055         Handle split indirect COMPLEX_TYPE arguments.
9056
9057 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9058
9059         PR target/86891
9060         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9061         bit is set by add and compare.
9062         (CC_ADC): New CC_MODE.
9063         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9064         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9065         comparison.  Add detection for CC_ADCmode.
9066         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9067         CC_ADCmode.
9068         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9069         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9070         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9071         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9072         to eliminate the need for zero-extending the operands.
9073         (add<mode>3_compareC_imm): Delete.  Merge into ...
9074         (add<mode>3_compareC): ... this.  Restructure the comparison to
9075         eliminate the need for zero-extending the operands.
9076         (add<mode>3_carryin): Use LTU for the overflow detection.
9077         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9078         Reexpress comparison for overflow.
9079         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9080         (add<mode>3_carryinC): Likewise.
9081         (add<mode>3_carryinV): Use LTU for carry between partials.
9082         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9083         handling of CC_Cmode and add CC_ADCmode.
9084         (aarch64_borrow_operation): Likewise.
9085
9086 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9087
9088         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9089         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9090         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9091         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9092
9093 2019-01-16  Martin Liska  <mliska@suse.cz>
9094
9095         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9096         for GCC driver.
9097         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9098         a new argument.
9099         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9100         (path_prefix_reset): Move up in the source file.
9101         (find_fortran_preinclude_file): Make complex search for the
9102         fortran header files.
9103
9104 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9105
9106         * godump.c (go_output_typedef): When outputting a typedef, refer
9107         to the underlying type by its name and not its structure.
9108
9109 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9110
9111         PR c++/88795
9112         * tree.c (build_function_type): Assert that arg_types is not
9113         error_mark_node.
9114
9115 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9116
9117         PR inline-asm/52813
9118         * doc/extend.texi: Document that listing the stack pointer in the
9119         clobber list of an asm is a deprecated feature.
9120         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9121         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9122         warning instead of an error for clobbers of the stack pointer.
9123         Add a note explaining why.
9124
9125 2019-01-15  Richard Biener  <rguenther@suse.de>
9126
9127         PR debug/88046
9128         * dwarf2out.c (gen_member_die): Do not generate inheritance
9129         DIEs late.
9130
9131 2019-01-15  Richard Biener  <rguenther@suse.de>
9132
9133         PR tree-optimization/88855
9134         * tree-if-conv.c (combine_blocks): Collect
9135         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9136
9137 2019-01-15  Tom de Vries  <tdevries@suse.de>
9138
9139         PR target/80547
9140         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9141         lhs == NULL_TREE for gang-level reduction.
9142
9143 2019-01-15  Richard Biener  <rguenther@suse.de>
9144             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9145
9146         PR ipa/88788
9147         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9148         return true if SSA_NAME is already marked in visited bitmap.
9149         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9150
9151 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9152
9153         PR tree-optimization/88775
9154         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9155         equal == 0 equality pointer comparisons some more if compared in
9156         integral types and either one points to an automatic var and the
9157         other to a global, or we can prove at least one points to the middle
9158         or both point to start or both point to end.
9159
9160 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9161
9162         * Makefile.in: Lower autofdo sampling rate by 10x.
9163         * Makefile.tpl: Dito.
9164
9165 2019-01-14  Tom Honermann  <tom@honermann.net>
9166
9167         * defaults.h: Define CHAR8_TYPE.
9168
9169 2019-01-14  Martin Sebor  <msebor@redhat.com>
9170
9171         PR target/88638
9172         * doc/extend.texi (Darwin Format Checks): Clarify.
9173
9174 2019-01-14  Richard Biener  <rguenther@suse.de>
9175
9176         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9177         whether we are in (simplify ...) or (match ...) context.
9178
9179 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9180
9181         PR rtl-optimization/88796
9182         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9183         * cfgexpand.c (stack_protect_prologue): Initialize
9184         crtl->stack_protect_guard_decl.
9185         * function.c (stack_protect_epilogue): Use it instead of calling
9186         targetm.stack_protect_guard again.
9187         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9188         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9189         crtl->stack_protect_guard_decl.
9190         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9191         on the returned MEM_EXPR.
9192
9193 2019-01-12  Tom de Vries  <tdevries@suse.de>
9194
9195         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9196         vector length using -fopenacc-dim.
9197
9198 2019-01-12  Tom de Vries  <tdevries@suse.de>
9199
9200         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9201         lengths into account.
9202
9203 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9204
9205         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9206         (TARGET_CAN_SPLIT_STACK): Define.
9207         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9208
9209 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9210
9211         * params.def (inline-unit-growth): Set to 40.
9212
9213 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9214
9215         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9216
9217 2019-01-12  Tom de Vries  <tdevries@suse.de>
9218
9219         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9220         region calling vector-partitionable routine, set default_vector_length
9221         to WARP_SIZE.
9222
9223 2019-01-12  Tom de Vries  <tdevries@suse.de>
9224
9225         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9226         variable default_vector_length.
9227
9228 2019-01-12  Tom de Vries  <tdevries@suse.de>
9229
9230         PR middle-end/88703
9231         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9232         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9233         dimensions limits.
9234
9235 2019-01-12  Tom de Vries  <tdevries@suse.de>
9236
9237         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9238         (nvptx_goacc_validate_dims): Add used parameter.
9239         * doc/tm.texi: Regenerate.
9240         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9241         argument to call to targetm.goacc.validate_dims.
9242         (default_goacc_validate_dims): Add used
9243         parameter.
9244         * target.def (validate_dims): Add used parameter in DEFHOOK.
9245         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9246
9247 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9248
9249         PR middle-end/85956
9250         PR lto/88733
9251         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9252         field.
9253         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9254         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9255         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9256         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9257
9258 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9259
9260         PR rtl-optimization/87305
9261         * lra-assigns.c
9262         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9263         for little endian pseudos used as paradoxical subreg.
9264
9265 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9266
9267         PR tree-optimization/88693
9268         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9269         for STRING_CSTs that don't contain any NUL characters in the first
9270         TREE_STRING_LENGTH bytes.
9271
9272 2019-01-11  Alan Modra  <amodra@gmail.com>
9273
9274         PR 88777
9275         PR 88614
9276         * genattrtab.c (min_fn): Don't translate values.
9277         (min_attr_value): Return INT_MAX when the value can't be calculated.
9278         Return minimum among any values that can be calculated.
9279         (max_attr_value): Adjust.
9280
9281 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9282
9283         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9284
9285 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9286
9287         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9288         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9289         (aarch64_return_call_with_max_clobbers): New function.
9290         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9291         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9292         argument.
9293         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9294         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9295         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9296         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9297         * cselib.c (cselib_process_insn): Add argument to
9298         targetm.hard_regno_call_part_clobbered call.
9299         * ira-conflicts.c (ira_build_conflicts): Ditto.
9300         * ira-costs.c (ira_tune_allocno_costs): Ditto.
9301         * lra-constraints.c (inherit_reload_reg): Ditto.
9302         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9303         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9304         argument.  Call targetm.return_call_with_max_clobbers.
9305         Add argument to targetm.hard_regno_call_part_clobbered call.
9306         (calls_have_same_clobbers_p): New function.
9307         (process_bb_lives): Add call_insn and last_call_insn variables.
9308         Pass call_insn to check_pseudos_live_through_calls.
9309         Modify if stmt to check targetm.return_call_with_max_clobbers.
9310         Update setting of flush variable.
9311         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9312         to false.
9313         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9314         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9315         targetm.hard_regno_call_part_clobbered call.
9316         * reginfo.c (choose_hard_reg_mode): Ditto.
9317         * regrename.c (check_new_reg_p): Ditto.
9318         * reload.c (find_equiv_reg): Ditto.
9319         * reload1.c (emit_reload_insns): Ditto.
9320         * sched-deps.c (deps_analyze_insn): Ditto.
9321         * sel-sched.c (init_regs_for_mode): Ditto.
9322         (mark_unavailable_hard_regs): Ditto.
9323         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9324         * target.def (hard_regno_call_part_clobbered): Add insn argument.
9325         (return_call_with_max_clobbers): New target function.
9326         * doc/tm.texi: Regenerate.
9327         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9328         * hooks.c (hook_bool_uint_mode_false): Change to
9329         hook_bool_insn_uint_mode_false.
9330         * hooks.h (hook_bool_uint_mode_false): Ditto.
9331
9332 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9333
9334         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9335         (aarch64_remove_extra_call_preserved_regs): New function.
9336         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9337         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9338         * doc/tm.texi: Regenerate.
9339         * final.c (get_call_reg_set_usage): Call new hook.
9340         * target.def (remove_extra_call_preserved_regs): New hook.
9341         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9342         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9343
9344 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9345
9346         PR bootstrap/88714
9347         * passes.c (finish_optimization_passes): Call print_combine_total_stats
9348         inside of pass_combine_1 dump rather than pass_profile_1.
9349
9350 2019-01-11  Tom de Vries  <tdevries@suse.de>
9351
9352         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9353         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9354         (PTX_NUM_PER_WORKER_BARRIERS): Define.
9355         (nvptx_apply_dim_limits): Prevent vector_length 64 and
9356         num_workers 16.
9357
9358 2019-01-11  Tom de Vries  <tdevries@suse.de>
9359
9360         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9361
9362 2019-01-11  Jan Beulich  <jbeulich@suse.com>
9363
9364         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9365         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9366         sse2_cvtsi2sd): Add {l}.
9367         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9368         syntax.
9369
9370 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9371
9372         PR target/88785
9373         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9374         define_expand.
9375         (*float<floatunssuffix>v2div2sf2): New define_insn.
9376         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9377         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9378         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9379         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9380         match_operands with "const0_operand" "C".
9381
9382 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9383
9384         * config/aarch64/aarch64-builtins.c
9385         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9386         (aarch64_init_simd_builtins): ...Here
9387
9388 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9389
9390         PR rtl-optimization/87305
9391         * lra-assigns.c
9392         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9393         allocation for big endian pseudos used as paradoxical subregs and
9394         spill them if it is wrong.
9395         * lra-constraints.c (lra_constraints): Add a comment.
9396
9397 2019-01-10  Richard Biener  <rguenther@suse.de>
9398
9399         PR tree-optimization/88792
9400         * tree-ssa-pre.c (get_representative_for): Do not return a
9401         value-number here.
9402
9403 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9404
9405         PR middle-end/84877
9406         PR bootstrap/88450
9407         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9408         (assign_parm_setup_block): Do the argument slot realignment here
9409         instead.
9410
9411 2019-01-10  Stefan Agner  <stefan@agner.ch>
9412
9413         PR target/88648
9414         * config/arm/arm.c (arm_option_override_internal): Force
9415         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9416
9417 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9418
9419         PR c/88568
9420         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9421         DECL_EXTERNAL.
9422
9423 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9424
9425         * config/arm/arm-builtins.c
9426         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9427         (MAC_LANE_PAIR_QUALIFIERS): New.
9428         (arm_expand_builtin_args): Use it.
9429         (arm_expand_builtin_1): Likewise.
9430         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9431         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9432         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9433         * config/arm/arm_neon.h:
9434         (vcadd_rot90_f16): New.
9435         (vcaddq_rot90_f16): New.
9436         (vcadd_rot270_f16): New.
9437         (vcaddq_rot270_f16): New.
9438         (vcmla_f16): New.
9439         (vcmlaq_f16): New.
9440         (vcmla_lane_f16): New.
9441         (vcmla_laneq_f16): New.
9442         (vcmlaq_lane_f16): New.
9443         (vcmlaq_laneq_f16): New.
9444         (vcmla_rot90_f16): New.
9445         (vcmlaq_rot90_f16): New.
9446         (vcmla_rot90_lane_f16): New.
9447         (vcmla_rot90_laneq_f16): New.
9448         (vcmlaq_rot90_lane_f16): New.
9449         (vcmlaq_rot90_laneq_f16): New.
9450         (vcmla_rot180_f16): New.
9451         (vcmlaq_rot180_f16): New.
9452         (vcmla_rot180_lane_f16): New.
9453         (vcmla_rot180_laneq_f16): New.
9454         (vcmlaq_rot180_lane_f16): New.
9455         (vcmlaq_rot180_laneq_f16): New.
9456         (vcmla_rot270_f16): New.
9457         (vcmlaq_rot270_f16): New.
9458         (vcmla_rot270_lane_f16): New.
9459         (vcmla_rot270_laneq_f16): New.
9460         (vcmlaq_rot270_lane_f16): New.
9461         (vcmlaq_rot270_laneq_f16): New.
9462         (vcadd_rot90_f32): New.
9463         (vcaddq_rot90_f32): New.
9464         (vcadd_rot270_f32): New.
9465         (vcaddq_rot270_f32): New.
9466         (vcmla_f32): New.
9467         (vcmlaq_f32): New.
9468         (vcmla_lane_f32): New.
9469         (vcmla_laneq_f32): New.
9470         (vcmlaq_lane_f32): New.
9471         (vcmlaq_laneq_f32): New.
9472         (vcmla_rot90_f32): New.
9473         (vcmlaq_rot90_f32): New.
9474         (vcmla_rot90_lane_f32): New.
9475         (vcmla_rot90_laneq_f32): New.
9476         (vcmlaq_rot90_lane_f32): New.
9477         (vcmlaq_rot90_laneq_f32): New.
9478         (vcmla_rot180_f32): New.
9479         (vcmlaq_rot180_f32): New.
9480         (vcmla_rot180_lane_f32): New.
9481         (vcmla_rot180_laneq_f32): New.
9482         (vcmlaq_rot180_lane_f32): New.
9483         (vcmlaq_rot180_laneq_f32): New.
9484         (vcmla_rot270_f32): New.
9485         (vcmlaq_rot270_f32): New.
9486         (vcmla_rot270_lane_f32): New.
9487         (vcmla_rot270_laneq_f32): New.
9488         (vcmlaq_rot270_lane_f32): New.
9489         (vcmlaq_rot270_laneq_f32): New.
9490         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9491         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9492         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9493         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9494         vcmlaq_lane270): New.
9495         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9496         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9497         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9498         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9499         (arm_option_reconfigure_globals): Use them.
9500         * config/arm/iterators.md (VDF, VQ_HSF): New.
9501         (VCADD, VCMLA): New.
9502         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9503         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9504         New.
9505         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9506         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9507
9508 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9509
9510         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9511         Add qualifier_lane_pair_index.
9512         (emit-rtl.h): Include.
9513         (TYPES_QUADOP_LANE_PAIR): New.
9514         (aarch64_simd_expand_args): Use it.
9515         (aarch64_simd_expand_builtin): Likewise.
9516         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9517         New.
9518         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9519         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9520         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9521         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9522         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9523         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9524         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9525         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9526         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9527         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9528         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9529         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9530         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9531         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9532         Add __ARM_FEATURE_COMPLEX.
9533         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9534         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9535         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9536         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9537         fcmlaq_lane270): New.
9538         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9539         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9540         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9541         * config/aarch64/arm_neon.h:
9542         (vcadd_rot90_f16): New.
9543         (vcaddq_rot90_f16): New.
9544         (vcadd_rot270_f16): New.
9545         (vcaddq_rot270_f16): New.
9546         (vcmla_f16): New.
9547         (vcmlaq_f16): New.
9548         (vcmla_lane_f16): New.
9549         (vcmla_laneq_f16): New.
9550         (vcmlaq_lane_f16): New.
9551         (vcmlaq_rot90_lane_f16): New.
9552         (vcmla_rot90_laneq_f16): New.
9553         (vcmla_rot90_lane_f16): New.
9554         (vcmlaq_rot90_f16): New.
9555         (vcmla_rot90_f16): New.
9556         (vcmlaq_laneq_f16): New.
9557         (vcmla_rot180_laneq_f16): New.
9558         (vcmla_rot180_lane_f16): New.
9559         (vcmlaq_rot180_f16): New.
9560         (vcmla_rot180_f16): New.
9561         (vcmlaq_rot90_laneq_f16): New.
9562         (vcmlaq_rot270_laneq_f16): New.
9563         (vcmlaq_rot270_lane_f16): New.
9564         (vcmla_rot270_laneq_f16): New.
9565         (vcmlaq_rot270_f16): New.
9566         (vcmla_rot270_f16): New.
9567         (vcmlaq_rot180_laneq_f16): New.
9568         (vcmlaq_rot180_lane_f16): New.
9569         (vcmla_rot270_lane_f16): New.
9570         (vcadd_rot90_f32): New.
9571         (vcaddq_rot90_f32): New.
9572         (vcaddq_rot90_f64): New.
9573         (vcadd_rot270_f32): New.
9574         (vcaddq_rot270_f32): New.
9575         (vcaddq_rot270_f64): New.
9576         (vcmla_f32): New.
9577         (vcmlaq_f32): New.
9578         (vcmlaq_f64): New.
9579         (vcmla_lane_f32): New.
9580         (vcmla_laneq_f32): New.
9581         (vcmlaq_lane_f32): New.
9582         (vcmlaq_laneq_f32): New.
9583         (vcmla_rot90_f32): New.
9584         (vcmlaq_rot90_f32): New.
9585         (vcmlaq_rot90_f64): New.
9586         (vcmla_rot90_lane_f32): New.
9587         (vcmla_rot90_laneq_f32): New.
9588         (vcmlaq_rot90_lane_f32): New.
9589         (vcmlaq_rot90_laneq_f32): New.
9590         (vcmla_rot180_f32): New.
9591         (vcmlaq_rot180_f32): New.
9592         (vcmlaq_rot180_f64): New.
9593         (vcmla_rot180_lane_f32): New.
9594         (vcmla_rot180_laneq_f32): New.
9595         (vcmlaq_rot180_lane_f32): New.
9596         (vcmlaq_rot180_laneq_f32): New.
9597         (vcmla_rot270_f32): New.
9598         (vcmlaq_rot270_f32): New.
9599         (vcmlaq_rot270_f64): New.
9600         (vcmla_rot270_lane_f32): New.
9601         (vcmla_rot270_laneq_f32): New.
9602         (vcmlaq_rot270_lane_f32): New.
9603         (vcmlaq_rot270_laneq_f32): New.
9604         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9605         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9606         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9607         (FCADD, FCMLA): New.
9608         (rot): New.
9609         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9610
9611 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9612
9613         PR other/16615
9614
9615         * config/pa/pa.c: Change "can not" to "cannot".
9616         * gimple-ssa-evrp-analyze.c: Likewise.
9617         * ipa-icf.c: Likewise.
9618         * ipa-polymorphic-call.c: Likewise.
9619         * ipa-pure-const.c: Likewise.
9620         * lra-constraints.c: Likewise.
9621         * lra-remat.c: Likewise.
9622         * reload1.c: Likewise.
9623         * reorg.c: Likewise.
9624         * tree-ssa-uninit.c: Likewise.
9625
9626 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9627
9628         PR other/16615
9629
9630         * Makefile.in: Mechanically replace "can not" with "cannot".
9631         * alias.c: Likewise.
9632         * builtins.c: Likewise.
9633         * calls.c: Likewise.
9634         * cgraph.c: Likewise.
9635         * cgraph.h: Likewise.
9636         * cgraphclones.c: Likewise.
9637         * cgraphunit.c: Likewise.
9638         * combine-stack-adj.c: Likewise.
9639         * combine.c: Likewise.
9640         * common/config/i386/i386-common.c: Likewise.
9641         * config/aarch64/aarch64.c: Likewise.
9642         * config/alpha/sync.md: Likewise.
9643         * config/arc/arc.c: Likewise.
9644         * config/arc/predicates.md: Likewise.
9645         * config/arm/arm-c.c: Likewise.
9646         * config/arm/arm.c: Likewise.
9647         * config/arm/arm.h: Likewise.
9648         * config/arm/arm.md: Likewise.
9649         * config/arm/cortex-r4f.md: Likewise.
9650         * config/csky/csky.c: Likewise.
9651         * config/csky/csky.h: Likewise.
9652         * config/darwin-f.c: Likewise.
9653         * config/epiphany/epiphany.md: Likewise.
9654         * config/i386/i386.c: Likewise.
9655         * config/i386/sol2.h: Likewise.
9656         * config/m68k/m68k.c: Likewise.
9657         * config/mcore/mcore.h: Likewise.
9658         * config/microblaze/microblaze.md: Likewise.
9659         * config/mips/20kc.md: Likewise.
9660         * config/mips/sb1.md: Likewise.
9661         * config/nds32/nds32.c: Likewise.
9662         * config/nds32/predicates.md: Likewise.
9663         * config/pa/pa.c: Likewise.
9664         * config/rs6000/e300c2c3.md: Likewise.
9665         * config/rs6000/rs6000.c: Likewise.
9666         * config/s390/s390.h: Likewise.
9667         * config/sh/sh.c: Likewise.
9668         * config/sh/sh.md: Likewise.
9669         * config/spu/vmx2spu.h: Likewise.
9670         * cprop.c: Likewise.
9671         * dbxout.c: Likewise.
9672         * df-scan.c: Likewise.
9673         * doc/cfg.texi: Likewise.
9674         * doc/extend.texi: Likewise.
9675         * doc/fragments.texi: Likewise.
9676         * doc/gty.texi: Likewise.
9677         * doc/invoke.texi: Likewise.
9678         * doc/lto.texi: Likewise.
9679         * doc/md.texi: Likewise.
9680         * doc/objc.texi: Likewise.
9681         * doc/rtl.texi: Likewise.
9682         * doc/tm.texi: Likewise.
9683         * dse.c: Likewise.
9684         * emit-rtl.c: Likewise.
9685         * emit-rtl.h: Likewise.
9686         * except.c: Likewise.
9687         * expmed.c: Likewise.
9688         * expr.c: Likewise.
9689         * fold-const.c: Likewise.
9690         * genautomata.c: Likewise.
9691         * gimple-fold.c: Likewise.
9692         * hard-reg-set.h: Likewise.
9693         * ifcvt.c: Likewise.
9694         * ipa-comdats.c: Likewise.
9695         * ipa-cp.c: Likewise.
9696         * ipa-devirt.c: Likewise.
9697         * ipa-fnsummary.c: Likewise.
9698         * ipa-icf.c: Likewise.
9699         * ipa-inline-transform.c: Likewise.
9700         * ipa-inline.c: Likewise.
9701         * ipa-polymorphic-call.c: Likewise.
9702         * ipa-profile.c: Likewise.
9703         * ipa-prop.c: Likewise.
9704         * ipa-pure-const.c: Likewise.
9705         * ipa-reference.c: Likewise.
9706         * ipa-split.c: Likewise.
9707         * ipa-visibility.c: Likewise.
9708         * ipa.c: Likewise.
9709         * ira-build.c: Likewise.
9710         * ira-color.c: Likewise.
9711         * ira-conflicts.c: Likewise.
9712         * ira-costs.c: Likewise.
9713         * ira-int.h: Likewise.
9714         * ira-lives.c: Likewise.
9715         * ira.c: Likewise.
9716         * ira.h: Likewise.
9717         * loop-invariant.c: Likewise.
9718         * loop-unroll.c: Likewise.
9719         * lower-subreg.c: Likewise.
9720         * lra-assigns.c: Likewise.
9721         * lra-constraints.c: Likewise.
9722         * lra-eliminations.c: Likewise.
9723         * lra-lives.c: Likewise.
9724         * lra-remat.c: Likewise.
9725         * lra-spills.c: Likewise.
9726         * lra.c: Likewise.
9727         * lto-cgraph.c: Likewise.
9728         * lto-streamer-out.c: Likewise.
9729         * postreload-gcse.c: Likewise.
9730         * predict.c: Likewise.
9731         * profile-count.h: Likewise.
9732         * profile.c: Likewise.
9733         * recog.c: Likewise.
9734         * ree.c: Likewise.
9735         * reload.c: Likewise.
9736         * reload1.c: Likewise.
9737         * reorg.c: Likewise.
9738         * resource.c: Likewise.
9739         * rtl.def: Likewise.
9740         * rtl.h: Likewise.
9741         * rtlanal.c: Likewise.
9742         * sched-deps.c: Likewise.
9743         * sched-ebb.c: Likewise.
9744         * sched-rgn.c: Likewise.
9745         * sel-sched-ir.c: Likewise.
9746         * sel-sched.c: Likewise.
9747         * shrink-wrap.c: Likewise.
9748         * simplify-rtx.c: Likewise.
9749         * symtab.c: Likewise.
9750         * target.def: Likewise.
9751         * toplev.c: Likewise.
9752         * tree-call-cdce.c: Likewise.
9753         * tree-cfg.c: Likewise.
9754         * tree-complex.c: Likewise.
9755         * tree-core.h: Likewise.
9756         * tree-eh.c: Likewise.
9757         * tree-inline.c: Likewise.
9758         * tree-loop-distribution.c: Likewise.
9759         * tree-nrv.c: Likewise.
9760         * tree-profile.c: Likewise.
9761         * tree-sra.c: Likewise.
9762         * tree-ssa-alias.c: Likewise.
9763         * tree-ssa-dce.c: Likewise.
9764         * tree-ssa-dom.c: Likewise.
9765         * tree-ssa-forwprop.c: Likewise.
9766         * tree-ssa-loop-im.c: Likewise.
9767         * tree-ssa-loop-ivcanon.c: Likewise.
9768         * tree-ssa-loop-ivopts.c: Likewise.
9769         * tree-ssa-loop-niter.c: Likewise.
9770         * tree-ssa-phionlycprop.c: Likewise.
9771         * tree-ssa-phiopt.c: Likewise.
9772         * tree-ssa-propagate.c: Likewise.
9773         * tree-ssa-threadedge.c: Likewise.
9774         * tree-ssa-threadupdate.c: Likewise.
9775         * tree-ssa-uninit.c: Likewise.
9776         * tree-ssanames.c: Likewise.
9777         * tree-streamer-out.c: Likewise.
9778         * tree.c: Likewise.
9779         * tree.h: Likewise.
9780         * vr-values.c: Likewise.
9781
9782 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9783
9784         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9785         (ix86_split_xorsign): Ditto.
9786         * config/i386/i386.c (ix86_expand_xorsign): New function.
9787         (ix86_split_xorsign): Ditto.
9788         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9789         (xorsign<mode>3): New expander.
9790         (xorsign<mode>3_1): New insn_and_split pattern.
9791         * config/i386/sse.md (xorsign<mode>3): New expander.
9792
9793 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9794
9795         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9796         (*tablejump_sp64): Likewise.
9797         (*tablejump<P:mode>): ...this.
9798         (*call_address_sp32): Merge into...
9799         (*call_address_sp64): Likewise.
9800         (*call_address<P:mode>): ...this.
9801         (*call_symbolic_sp32): Merge into...
9802         (*call_symbolic_sp64): Likewise.
9803         (*call_symbolic<P:mode>): ...this.
9804         (call_value): Remove constraint and add predicate.
9805         (*call_value_address_sp32): Merge into...
9806         (*call_value_address_sp64): Likewise.
9807         (*call_value_address<P:mode>): ...this.
9808         (*call_value_symbolic_sp32): Merge into...
9809         (*call_value_symbolic_sp64): Likewise.
9810         (*call_value_symbolic<P:mode>): ...this.
9811         (*sibcall_symbolic_sp32): Merge into...
9812         (*sibcall_symbolic_sp64): Likewise.
9813         (*sibcall_symbolic<P:mode>): ...this.
9814         (sibcall_value): Remove constraint and add predicate.
9815         (*sibcall_value_symbolic_sp32): Merge into...
9816         (*sibcall_value_symbolic_sp64): Likewise.
9817         (*sibcall_value_symbolic<P:mode>): ...this.
9818         (window_save): Minor tweak.
9819         (*branch_sp32): Merge into...
9820         (*branch_sp64): Likewise.
9821         (*branch<P:mode>): ...this.
9822
9823 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9824             James Clarke  <jrtc27@jrtc27.com>
9825
9826         PR target/84010
9827         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9828         consistently in TLS address generation and adjust code to the renaming
9829         of patterns.  Mark calls to __tls_get_addr as const.
9830         * config/sparc/sparc.md (tgd_hi22): Turn into...
9831         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9832         (tgd_lo10): Turn into...
9833         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9834         (tgd_add32): Merge into...
9835         (tgd_add64): Likewise.
9836         (tgd_add<P:mode>): ...this and use Pmode throughout.
9837         (tldm_hi22): Turn into...
9838         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9839         (tldm_lo10): Turn into...
9840         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9841         (tldm_add32): Merge into...
9842         (tldm_add64): Likewise.
9843         (tldm_add<P:mode>): ...this and use Pmode throughout.
9844         (tldm_call32): Merge into...
9845         (tldm_call64): Likewise.
9846         (tldm_call<P:mode>): ...this and use Pmode throughout.
9847         (tldo_hix22): Turn into...
9848         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9849         (tldo_lox10): Turn into...
9850         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9851         (tldo_add32): Merge into...
9852         (tldo_add64): Likewise.
9853         (tldo_add<P:mode>): ...this and use Pmode throughout.
9854         (tie_hi22): Turn into...
9855         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9856         (tie_lo10): Turn into...
9857         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9858         (tie_ld64): Use DImode throughout.
9859         (tie_add32): Merge into...
9860         (tie_add64): Likewise.
9861         (tie_add<P:mode>): ...this and use Pmode throughout.
9862         (tle_hix22_sp32): Merge into...
9863         (tle_hix22_sp64): Likewise.
9864         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9865         (tle_lox22_sp32): Merge into...
9866         (tle_lox22_sp64): Likewise.
9867         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9868         (*tldo_ldub_sp32): Merge into...
9869         (*tldo_ldub_sp64): Likewise.
9870         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9871         (*tldo_ldub1_sp32): Merge into...
9872         (*tldo_ldub1_sp64): Likewise.
9873         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9874         (*tldo_ldub2_sp32): Merge into...
9875         (*tldo_ldub2_sp64): Likewise.
9876         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9877         (*tldo_ldsb1_sp32): Merge into...
9878         (*tldo_ldsb1_sp64): Likewise.
9879         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9880         (*tldo_ldsb2_sp32): Merge into...
9881         (*tldo_ldsb2_sp64): Likewise.
9882         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9883         (*tldo_ldub3_sp64): Use DImode throughout.
9884         (*tldo_ldsb3_sp64): Likewise.
9885         (*tldo_lduh_sp32): Merge into...
9886         (*tldo_lduh_sp64): Likewise.
9887         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9888         (*tldo_lduh1_sp32): Merge into...
9889         (*tldo_lduh1_sp64): Likewise.
9890         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9891         (*tldo_ldsh1_sp32): Merge into...
9892         (*tldo_ldsh1_sp64): Likewise.
9893         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9894         (*tldo_lduh2_sp64): Use DImode throughout.
9895         (*tldo_ldsh2_sp64): Likewise.
9896         (*tldo_lduw_sp32): Merge into...
9897         (*tldo_lduw_sp64): Likewise.
9898         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9899         (*tldo_lduw1_sp64): Use DImode throughout.
9900         (*tldo_ldsw1_sp64): Likewise.
9901         (*tldo_ldx_sp64): Likewise.
9902         (*tldo_stb_sp32): Merge into...
9903         (*tldo_stb_sp64): Likewise.
9904         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9905         (*tldo_sth_sp32): Merge into...
9906         (*tldo_sth_sp64): Likewise.
9907         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9908         (*tldo_stw_sp32): Merge into...
9909         (*tldo_stw_sp64): Likewise.
9910         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9911         (*tldo_stx_sp64): Use DImode throughout.
9912
9913 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9914
9915         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9916         check configure option to set BTI and Return Address Signing.
9917         * configure.ac: Add --enable-standard-branch-protection and
9918         --disable-standard-branch-protection.
9919         * configure: Regenerated.
9920         * doc/install.texi: Document the same.
9921
9922 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9923             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9924
9925         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9926         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9927         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9928         if bti is enabled.
9929         * config/aarch64/aarch64-bti-insert.c: New file.
9930         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9931         pass.
9932         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9933         new bti pass.
9934         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9935         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9936         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9937         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9938
9939 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9940
9941         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9942         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9943         Disable bti for -mbranch-protection=none.
9944         (aarch64_handle_standard_branch_protection): Enable bti for
9945         -mbranch-protection=standard.
9946         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9947         -mbranch-protection.
9948         (aarch64_bti_enabled): Check if bti is enabled.
9949         * config/aarch64/aarch64.opt: Declare target variable.
9950         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9951
9952 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9953
9954         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9955         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9956         (aarch64_expand_epilogue): Likewise.
9957         (aarch64_output_mi_thunk): Likewise
9958         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9959         TAILCALL_ADDR_REGS to x16 and x17.
9960         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9961
9962 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9963
9964         * config/aarch64/aarch64-option-extensions.def: Define
9965         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9966         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9967         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9968         (AARCH64_FL_PREDRES): New.
9969         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9970         AARCH64_FL_PREDRES by default.
9971         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9972
9973 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9974
9975         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9976         ARMv8.5-A.
9977         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9978         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9979         * doc/invoke.texi: Document ARMv8.5-A.
9980
9981 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9982
9983         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9984         (xorsign<mode>3): Likewise.
9985
9986 2019-01-09  Jelinek  <jakub@redhat.com>
9987
9988         PR middle-end/88758
9989         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9990         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9991
9992         PR rtl-optimization/88331
9993         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9994         not currently_expanding_to_rtl.
9995
9996 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9997
9998         * doc/invoke.texi (-Os): Remove trailing spaces.
9999         (-finline-functions): Remove reference to -O2.
10000
10001 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10002
10003         PR rtl-optimization/79593
10004         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10005
10006         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10007         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10008
10009 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10010
10011         PR bootstrap/88721
10012         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10013         to -1 on entry.
10014
10015         PR debug/88723
10016         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10017         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10018
10019 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10020
10021         PR target/88717
10022         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10023         ix86_avx_u128_mode_entry.
10024
10025 2019-01-08  Martin Liska  <mliska@suse.cz>
10026
10027         PR tree-optimization/88753
10028         * tree-switch-conversion.c (switch_conversion::build_one_array):
10029         Come up with local variable constructor.  Convert first to
10030         type of constructor values.
10031
10032 2019-01-08  Richard Biener  <rguenther@suse.de>
10033
10034         PR tree-optimization/86554
10035         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10036         rpo_avail): Move earlier.
10037         (visit_nary_op): When value-numbering to expressions
10038         with different overflow behavior make sure there's an
10039         available expression on the path.
10040
10041 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10042
10043         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10044         aarch64_parse_branch_protection,
10045         struct aarch64_branch_protect_type,
10046         aarch64_handle_no_branch_protection,
10047         aarch64_handle_standard_branch_protection,
10048         aarch64_validate_mbranch_protection,
10049         aarch64_handle_pac_ret_protection,
10050         aarch64_handle_attr_branch_protection,
10051         accepted_branch_protection_string,
10052         aarch64_pac_ret_subtypes,
10053         aarch64_branch_protect_types,
10054         aarch64_handle_pac_ret_leaf): Define.
10055         (aarch64_override_options_after_change_1, aarch64_override_options):
10056         Add check for accepted_branch_protection_string.
10057         (aarch64_option_save): Save accepted_branch_protection_string.
10058         (aarch64_option_restore): Save accepted_branch_protection_string.
10059         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10060         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10061         msign-return-address.
10062         * doc/invoke.texi: Add mbranch-protection.
10063
10064 2019-01-08  Alan Modra  <amodra@gmail.com>
10065
10066         PR target/88614
10067         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10068         Delete "unknownp" parameter.  Adjust callers.  Handle
10069         CONST_INT, PLUS, MINUS, and MULT.
10070         (attr_value_aligned): Renamed from or_attr_value.
10071         (min_attr_value): Return INT_MIN for unhandled rtl case..
10072         (min_fn): ..and translate to INT_MAX here.
10073         (write_length_unit_log): Modify to cope without "unknown".
10074         (write_attr_value): Handle IF_THEN_ELSE.
10075
10076 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10077
10078         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10079         optimization for masked stores.
10080
10081 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10082
10083         PR middle-end/88567
10084         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10085         output vector directly to duplicate_and_interleave instead of
10086         going through a temporary.  Postpone insertion of ctor_seq to
10087         the end of the loop.
10088
10089 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10090
10091         PR target/86891
10092         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10093         unsigned_p.  Handle signed and unsigned overflow correction as
10094         required.
10095         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10096         prototype.
10097         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10098         for operand 2.
10099         (add<mode>3_compareV_imm): Make this callable for expanding.
10100         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10101         aarch64_plus_operand for operand 2.
10102         (subv<GPI:mode>_insn): New insn pattern.
10103         (subv<GPI:mode>_imm): Likewise.
10104         (negv<GPI:mode>3): New expand pattern.
10105         (negv<GPI:mode>_insn): New insn pattern.
10106         (negv<GPI:mode>_cmp_only): Likewise.
10107         (cmpv<GPI:mode>_insn): Likewise.
10108         (subvti4): Use register_operand for operand 1.  Update call to
10109         aarch64_expand_subvti.
10110         (usubvti4): Likewise.
10111         (negvti3): New expand pattern.
10112         (negdi_carryout): New insn pattern.
10113         (negvdi_carryinV): New insn pattern.
10114         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10115         version the named version.
10116         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10117         operands.
10118         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10119         patterns.
10120         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10121         patterns.
10122         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10123         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10124         (sub<mode>3_carryinCV): Delete.
10125         (sub<GPI:mode>3_carryinV): New expand pattern.
10126         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10127
10128 2019-01-07  Richard Biener  <rguenther@suse.de>
10129
10130         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10131         of tree_operand_hash.
10132
10133 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10134
10135         PR tree-optimization/88598
10136         * tree.h (single_nonzero_element): Declare.
10137         * tree.c (single_nonzero_element): New function.
10138         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10139         if I is the only nonzero element of CST.
10140
10141 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10142
10143         PR tree-optimization/88598
10144         * tree.h (initializer_each_zero_or_onep): Declare.
10145         * tree.c (initializer_each_zero_or_onep): New function.
10146         (signed_or_unsigned_type_for): Handle float types too.
10147         (unsigned_type_for, signed_type_for): Update comments accordingly.
10148         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10149         x & { 0 or -1, 0 or -1, ... }.
10150
10151 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10152
10153         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10154         with x86_64-pc-linux-gnu.
10155
10156 2019-01-07  Tom de Vries  <tdevries@suse.de>
10157
10158         PR target/85486
10159         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10160         function.
10161         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10162         routines.
10163
10164 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10165
10166         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10167         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10168         TARGET_AVX512F as condition.
10169
10170         PR debug/88723
10171         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10172         const_not_ok_for_debug_p target hook.
10173         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10174         on UNSPEC and subexpressions thereof if all subexpressions of the
10175         UNSPEC are CONSTANT_P.
10176
10177         PR tree-optimization/88676
10178         * tree-ssa-phiopt.c (two_value_replacement): New function.
10179         (tree_ssa_phiopt_worker): Call it.
10180
10181         PR sanitizer/88619
10182         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10183         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10184
10185         PR c++/85052
10186         * tree-vect-generic.c: Include insn-config.h and recog.h.
10187         (expand_vector_piecewise): Add defaulted ret_type argument,
10188         if non-NULL, use that in preference to type for the result type.
10189         (expand_vector_parallel): Formatting fix.
10190         (do_vec_conversion, do_vec_narrowing_conversion,
10191         expand_vector_conversion): New functions.
10192         (expand_vector_operations_1): Call expand_vector_conversion
10193         for VEC_CONVERT ifn calls.
10194         * internal-fn.def (VEC_CONVERT): New internal function.
10195         * internal-fn.c (expand_VEC_CONVERT): New function.
10196         * fold-const-call.c (fold_const_vec_convert): New function.
10197         (fold_const_call): Use it for CFN_VEC_CONVERT.
10198         * doc/extend.texi (__builtin_convertvector): Document.
10199
10200 2019-01-07  Tom de Vries  <tdevries@suse.de>
10201
10202         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10203         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10204         vector_red_partition, vector_red_sym): New global variables.
10205         (nvptx_option_override): Initialize vector_red_sym.
10206         (nvptx_declare_function_name): Restore red_partition register.
10207         (nvptx_file_end): Emit code to declare the vector reduction variables.
10208         (nvptx_output_red_partition): New function.
10209         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10210         large vector reductions.
10211         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10212         (nvptx_init_builtins): Add VECTOR_ADDR.
10213         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10214         Handle nvptx_expand_shared_addr.
10215         (nvptx_get_shared_red_addr): Add vector argument and handle large
10216         vectors.
10217         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10218         large vectors.
10219         (nvptx_goacc_reduction_init): Likewise.
10220         (nvptx_goacc_reduction_fini): Likewise.
10221         (nvptx_goacc_reduction_teardown): Likewise.
10222         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10223         init,fini,teardown}.
10224         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10225         (nvptx_set_current_function): Init vector_red_partition.
10226         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10227         (nvptx_red_partition): New insn.
10228         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10229
10230 2019-01-07  Tom de Vries  <tdevries@suse.de>
10231
10232         PR target/85381
10233         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10234         empty loops.
10235
10236 2019-01-07  Tom de Vries  <tdevries@suse.de>
10237
10238         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10239         (nvptx_option_override): Init oacc_bcast_partition.
10240         (nvptx_init_oacc_workers): New function.
10241         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10242         (nvptx_needs_shared_bcast): New function.
10243         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10244         to propagate state.
10245         (nvptx_shared_propagate): Initialize vector bcast partition and
10246         synchronization state.
10247         (nvptx_single):  Generalize to enable vectors to use shared-memory
10248         to propagate state.
10249         (nvptx_process_pars): Likewise.
10250         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10251         * config/nvptx/nvptx.h (struct machine_function): Add
10252         bcast_partition and sync_bar members.
10253
10254 2019-01-07  Tom de Vries  <tdevries@suse.de>
10255
10256         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10257         (nvptx_apply_dim_limits): New function.
10258         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10259         PTX_WARP_SIZE.
10260
10261 2019-01-07  Tom de Vries  <tdevries@suse.de>
10262
10263         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10264         as late as possible.
10265
10266 2019-01-07  Tom de Vries  <tdevries@suse.de>
10267
10268         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10269         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10270         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10271         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10272         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10273
10274 2019-01-07  Tom de Vries  <tdevries@suse.de>
10275
10276         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10277
10278 2019-01-07  Tom de Vries  <tdevries@suse.de>
10279
10280         * omp-offload.c (oacc_get_min_dim): New function.
10281         * omp-offload.h (oacc_get_min_dim): Declare.
10282
10283 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10284
10285         PR target/88521
10286         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10287         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10288
10289 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10290
10291         PR tree-opt/86020
10292         Revert:
10293         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
10294
10295         * ipa-inline.c (edge_badness): Use inlined_time instead of
10296         inline_summaries->get.
10297
10298 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10299
10300         * opts.c (enable_fdo_optimizations): Enable
10301         version-loops-for-strides, loop-interchange, unrol-and-jam
10302         and tree-loop-distribution.
10303         * invoke.texi: Document newly enabled options.
10304
10305 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10306
10307         * doc/invoke.texi (max-inline-insns-small): New parameters.
10308         * ipa-inline.c (want_early_inline_function_p): simplify.
10309         (want_inline_small_function_p): Fix pasto from previous patch;
10310         use max-inline-insns-small bound.
10311         * params.def (max-inline-insns-small): New param.
10312         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10313         variables correctly.
10314
10315 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10316
10317         * doc/invoke.texi: Document max-inline-insns-size,
10318         uninlined-function-insns, uninlined-function-time,
10319         uninlined-thunk-insns and uninlined-thunk-time.
10320         * params.def: Add max-inline-insns-size,
10321         uninlined-function-insns, uninlined-function-time,
10322         uninlined-thunk-insns and uninlined-thunk-time.
10323         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10324         new parameters.
10325         * ipa-inline.c (can_inline_edge_by_limits_p,
10326         want_inline_small_function_p): Use new parameters.
10327
10328 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10329
10330         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10331
10332 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
10333
10334         PR middle-end/82564
10335         PR target/88620
10336         * expr.c (expand_assignment): For calls returning VLA structures
10337         if to_rtx is not a MEM, force it into a stack temporary.
10338
10339         PR debug/88635
10340         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10341         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10342         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10343         subexpressions of both operands.
10344         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10345         subrtxes are CONSTANT_P.
10346         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10347         2018-11-09 changes.
10348
10349 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
10350
10351         * params.def (hot-bb-count-ws-permille): Set to 990.
10352
10353 2019-01-04  Martin Sebor  <msebor@redhat.com>
10354
10355         PR c/88546
10356         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10357         leaf.
10358
10359 2019-01-04  Martin Sebor  <msebor@redhat.com>
10360
10361         PR c/88363
10362         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10363
10364 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10365
10366         * gdbinit.in: Turn off pagination for the skip commands, restore
10367         it to previous state afterwards.
10368
10369 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10370
10371         PR target/88594
10372         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10373         of GET_MODE (opN) as modes of the libcall arguments.
10374
10375 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10376
10377         * config/i386/sse.md
10378         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10379         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10380         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10381         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10382         avx512f_vmcmp<mode>3<round_saeonly_name>,
10383         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10384         avx512f_maskcmp<mode>3,
10385         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10386         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10387         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10388         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10389         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10390         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10391         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10392         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10393         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10394         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10395         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10396         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10397         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10398         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10399         avx512cd_maskb_vec_dup<mode>,
10400         avx512cd_maskw_vec_dup<mode>,
10401         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10402         avx512dq_vmfpclass<mode>,
10403         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10404         instead of =Yk.
10405
10406 2019-01-03  Martin Sebor  <msebor@redhat.com>
10407
10408         PR tree-optimization/88659
10409         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10410
10411 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10412
10413         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10414         unaligned vsx and avoid lxvd2x/stxvd2x.
10415         (gen_lvx_v4si_move): New function.
10416
10417 2019-01-03  Tom de Vries  <tdevries@suse.de>
10418
10419         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10420         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10421         function.
10422         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10423
10424 2019-01-03  Tom de Vries  <tdevries@suse.de>
10425
10426         * config/nvptx/nvptx.c (struct offload_attrs): New.
10427         (populate_offload_attrs): New function.  Factor mask extraction out of
10428         nvptx_reorg.  Add extraction of dimensions.
10429         (nvptx_reorg): Use populate_offload_attrs.
10430
10431 2019-01-03  Tom de Vries  <tdevries@suse.de>
10432
10433         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10434         cases for oacc_min_dims_p and routine_p.  Add asserts for
10435         oacc_default_dims_p and offload_region_p.
10436
10437 2019-01-03  Tom de Vries  <tdevries@suse.de>
10438
10439         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10440         factored out of ...
10441         (nvptx_goacc_validate_dims): ... here.
10442
10443 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10444
10445         PR tree-optimization/85574
10446         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10447         structure.
10448         (struct ssa_equip_hash_traits): Declare.
10449         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10450
10451 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10452
10453         PR debug/88644
10454         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10455         change it to qualified_type.
10456
10457 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10458
10459         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10460         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10461
10462 2019-01-02  Martin Sebor  <msebor@redhat.com>
10463             Jeff Law  <law@redhat.com>
10464
10465         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10466         (get_range_strlen_tree): Update appropriately.
10467         (get_range_strlen)
10468         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10469
10470         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10471         rather than set_range_info.
10472         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10473         maybe_set_strlen_range.  Handle potentially boundary crossing
10474         cases more conservatively.
10475         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10476         Call set_strlen_range.
10477         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10478
10479         PR middle-end/88663
10480         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10481         need the flexp argument.
10482         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10483         from calls to get_range_strlen.  Update comments.  Just update
10484         VAL for an unterminated const char array and let the reset of the
10485         code handle it normally.  No longer try to set *flexp.  Adjust
10486         return value.
10487         (get_range_strlen): Update for the new get_range_strlen API.
10488         (get_maxval_strlen): Similarly.
10489         (gimple_fold_builtin_strlen): Handle update meaning of return value
10490         from get_range_strlen.
10491         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10492         get_range_strlen API.
10493
10494 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10495
10496         PR lto/88130
10497         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10498         false at WPA time when body was removed.
10499
10500 2019-01-02  Martin Liska  <mliska@suse.cz>
10501
10502         PR tree-optimization/88650
10503         * predict.c (set_even_probabilities): Calculate probability
10504         remainer only when really used.
10505
10506 2019-01-02  Richard Biener  <rguenther@suse.de>
10507
10508         PR middle-end/88651
10509         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10510         widest_ints when mangling max_stmt_execution results.
10511
10512 2019-01-02  Richard Biener  <rguenther@suse.de>
10513
10514         PR tree-optimization/88621
10515         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10516         bitfields when canoncalizing.
10517
10518 2019-01-02  Richard Biener  <rguenther@suse.de>
10519
10520         PR target/87545
10521         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10522         cost of cheap SSE instruction.
10523
10524 2019-01-02  Richard Biener  <rguenther@suse.de>
10525
10526         PR ipa/85574
10527         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10528         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10529         function.
10530         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10531         set after UIDs before splitting them.
10532
10533 2019-01-01  Martin Sebor  <msebor@redhat.com>
10534             Jeff Law  <law@redhat.com>
10535
10536         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10537         length is optimistic.  If it is, then arrange to compute the
10538         conservative length as well.
10539
10540         * gimple-fold.h (get_range_strlen): Update prototype.
10541         * builtins.c (check_access): Update call to get_range_strlen to use
10542         c_strlen_data pointer.   Change various variable accesses to instead
10543         pull data from the c_strlen_data structure.
10544         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10545         * calls.c (maybe_warn_nonstring_arg): Likewise.
10546         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10547         minimum length if maximum lengh is unknown.
10548         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10549         that used c_strlen, it's no longer needed.  Restructure slightly.
10550         (format_string): Set unlikely range appropriately.
10551         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10552         formatting issues.
10553         (get_range_strlen):  Accept c_strlen_data pointer for external
10554         call sites as well.  Pass through to call to internal get_range_strlen.
10555         Adjust minlen, maxlen and maxbound as needed.
10556         (get_maxval_strlen): Update comments.
10557         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10558         to use c_strlen_data pointer.  Change variable accesses to instead
10559         use c_strlen_data data members.
10560
10561         * gimple-fold.c (get_range_strlen): Update prototype.
10562         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10563         local variables.  Use pdata to return information to caller.
10564         Update calls to get_range_strlen.  Update pdata->maxbound.
10565         (get_range_strlen -- static version): Similarly.
10566         (get_range_strlen -- extern version): Update for internal
10567         get_range_strlen API change.  Convert to external data format.
10568         (get_maxval_strlen): Similarly.
10569
10570 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10571
10572         * coverage.c (get_coverage_counts): Use current_function_decl.
10573         * profile.c (read_thunk_profile): New function.
10574         (branch_prob): Add THUNK parameter.
10575         * tree-profile.c (tree_profiling): Handle thunks.
10576         * value-prof.c (init_node_map): Handle thunks.
10577         * value-prof.h (branch_prob): Upate prototype.
10578         (read_thunk_profile): Declare.
10579
10580 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10581
10582         Update copyright years.
10583
10584         * gcc.c (process_command): Update copyright notice dates.
10585         * gcov-dump.c (print_version): Ditto.
10586         * gcov.c (print_version): Ditto.
10587         * gcov-tool.c (print_version): Ditto.
10588         * gengtype.c (create_file): Ditto.
10589         * doc/cpp.texi: Bump @copying's copyright year.
10590         * doc/cppinternals.texi: Ditto.
10591         * doc/gcc.texi: Ditto.
10592         * doc/gccint.texi: Ditto.
10593         * doc/gcov.texi: Ditto.
10594         * doc/install.texi: Ditto.
10595         * doc/invoke.texi: Ditto.
10596 \f
10597 Copyright (C) 2019 Free Software Foundation, Inc.
10598
10599 Copying and distribution of this file, with or without modification,
10600 are permitted in any medium without royalty provided the copyright
10601 notice and this notice are preserved.