gcc/ChangeLog

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