gcc/ChangeLog

   1 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
   2
   3         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
   4         (define_attr "enabled"): Handle those new isa values.
   5
   6 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
   7
   8         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
   9         (define_mode_attr VSr5): Delete.
  10         (define_mode_attr VStype_sqrt): Delete.
  11         (define_mode_iterator VSX_SPDP): Delete.
  12         (define_mode_attr VS_spdp_res): Delete.
  13         (define_mode_attr VS_spdp_insn): Delete.
  14         (define_mode_attr VS_spdp_type): Delete.
  15         (*vsx_sqrt<mode>2): Adjust.
  16         (vsx_<VS_spdp_insn>): Delete, split to...
  17         (vsx_xscvdpsp): ... this.  New.  And...
  18         (vsx_xvcvspdp): ... this.  New.  And...
  19         (vsx_xvcvdpsp): ... this.  New.
  20
  21 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  22
  23         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
  24         and V2DF.
  25         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
  26         (rest of file): Adjust.
  27
  28 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  29
  30         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
  31         (vsx_extract_<mode>_var): Ditto.
  32
  33 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  34
  35         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
  36         with just "wa".
  37
  38 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  39
  40         * config/rs6000/constraints.md (define_register_constraint "ww"):
  41         Delete.
  42         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  43         (rs6000_init_hard_regno_mode_ok): Adjust.
  44         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  45         RS6000_CONSTRAINT_ww.
  46         * config/rs6000/rs6000.md: Adjust.
  47         * config/rs6000/vsx.md: Adjust.
  48         * doc/md.texi (Machine Constraints): Adjust.
  49
  50 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  51
  52         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
  53         (define_mode_attr sd): New.
  54         (define_mode_attr s): New.
  55         (define_mode_attr Ftrad): Delete.
  56         (define_mode_attr Fvsx): Delete.
  57         (define_mode_attr Fs): Delete.
  58         (rest of file): Use the new mode attributes.
  59         * config.rs6000/vsx.md: Use the new mode attributes.
  60
  61 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  62
  63         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
  64         with just "wa".
  65
  66 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  67
  68         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
  69         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
  70         used with VSX_B, VSX_D, or VSX_F, with just "wa".
  71
  72 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
  73
  74         PR target/78263
  75         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
  76         C++ with strict ANSI requirements.
  77
  78 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
  79
  80         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
  81         computations when step is 1.
  82
  83 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  84
  85         * config/rs6000/constraints.md (define_register_constraint "wf"):
  86         Delete.
  87         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  88         (rs6000_init_hard_regno_mode_ok): Adjust.
  89         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  90         RS6000_CONSTRAINT_wf.
  91         * config/rs6000/rs6000.md: Adjust.
  92         * config/rs6000/vsx.md: Adjust.
  93         * doc/md.texi (Machine Constraints): Adjust.
  94
  95 2019-06-04  Andrew Pinski  <apinski@marvell.com>
  96
  97         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
  98         Fix ILP32 value.
  99
 100 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 101
 102         * config/rs6000/constraints.md (define_register_constraint "wd"):
 103         Delete.
 104         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 105         (rs6000_init_hard_regno_mode_ok): Adjust.
 106         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 107         RS6000_CONSTRAINT_wd.
 108         * config/rs6000/rs6000.md: Adjust.
 109         * config/rs6000/vsx.md: Adjust.
 110         * doc/md.texi (Machine Constraints): Adjust.
 111
 112 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 113
 114         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 115         (rest of file): Adjust.
 116
 117 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 118
 119         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 120         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 121         (vsx_splat_<mode>_reg): Adjust.
 122
 123 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 124
 125         * config/rs6000/constraints.md (define_register_constraint "ws"):
 126         Delete.
 127         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 128         (rs6000_init_hard_regno_mode_ok): Adjust.
 129         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 130         RS6000_CONSTRAINT_ws.
 131         * config/rs6000/rs6000.md: Adjust.
 132         * config/rs6000/vsx.md: Adjust.
 133         * doc/md.texi (Machine Constraints): Adjust.
 134
 135 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 136
 137         * config/rs6000/constraints.md (define_register_constraint "wv"):
 138         Delete.
 139         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 140         (rs6000_init_hard_regno_mode_ok): Adjust.
 141         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 142         RS6000_CONSTRAINT_wv.
 143         * config/rs6000/rs6000.md: Adjust.
 144         * config/rs6000/vsx.md: Adjust.
 145         * doc/md.texi (Machine Constraints): Adjust.
 146
 147 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 148
 149         * config/rs6000/constraints.md (define_register_constraint "wi"):
 150         Delete.
 151         (define_register_constraint "wt"): Delete.
 152         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 153         (rs6000_init_hard_regno_mode_ok): Adjust.
 154         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 155         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 156         * config/rs6000/rs6000.md: Adjust.
 157         * config/rs6000/vsx.md: Adjust.
 158         * doc/md.texi (Machine Constraints): Adjust.
 159
 160 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 161
 162         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 163         const.
 164         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 165         default_elf_asm_output_external.
 166
 167 2019-06-04  Martin Liska  <mliska@suse.cz>
 168
 169         * ipa-icf.c (INCLUDE_LIST): Remove.
 170         (sem_item_optimizer::execute): Remove call to init_wpa.
 171         * ipa-icf.h (init_wpa): Remove.
 172
 173 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 174
 175         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 176         conditional on combined for simd.
 177         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 178         member.
 179         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 180         constructs, don't remove lastprivate_conditional_map, but instead set
 181         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 182         to parent construct temporaries.
 183         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 184         like !ctx->lastprivate_conditional_map.
 185         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 186         use up->outer context instead of up.
 187         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 188         gimple_omp_for_combined_p.
 189         (expand_omp_for_static_nochunk): Likewise.
 190         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 191         probably moved over into expand_omp_for_generic rather than being copied
 192         there.
 193
 194 2019-06-04  Martin Liska  <mliska@suse.cz>
 195
 196         * value-prof.c (dump_histogram_value): Fix typo.
 197         (gimple_mod_subtract_transform): Likewise.
 198
 199 2019-06-04  Richard Biener  <rguenther@suse.de>
 200
 201         PR middle-end/90726
 202         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 203         (tree_contains_chrecs): Likewise.
 204         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 205         exponential behaivor from ...
 206         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 207         ... here.
 208         (expression_expensive_p): Avoid exponential behavior and compute
 209         expanded size, rejecting any expansion.
 210         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 211         (idx_contains_abnormal_ssa_name_p): Likewise.
 212         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 213         (contains_abnormal_ssa_name_p): Simplify and use
 214         walk_tree_without_duplicates.
 215
 216 2019-06-04  Richard Biener  <rguenther@suse.de>
 217
 218         PR tree-optimization/90738
 219         Revert
 220         2019-06-03  Richard Biener  <rguenther@suse.de>
 221
 222         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 223         full reference tree and record in ref->ref.
 224         (vn_reference_lookup_3): Pass in original ref to
 225         ao_ref_init_from_vn_reference.
 226         (vn_reference_lookup): Likewise.
 227         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 228         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 229         Handle non-decl bases in the original reference.
 230
 231 2019-06-04  Martin Liska  <mliska@suse.cz>
 232
 233         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 234         number of references.
 235         (sem_item_optimizer::do_congruence_step):
 236         (sem_item_optimizer::worklist_push): Dump how references
 237         a class has.
 238         (sem_item_optimizer::worklist_pop): Use heap.
 239         (sem_item_optimizer::process_cong_reduction): Likewise.
 240         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 241
 242 2019-06-04  Martin Liska  <mliska@suse.cz>
 243
 244         * ipa-icf.h (struct sem_usage_pair_hash): New.
 245         (sem_usage_pair_hash::hash): Likewise.
 246         (sem_usage_pair_hash::equal): Likewise.
 247         (struct sem_usage_hash): Likewise.
 248         * ipa-icf.c (sem_item::sem_item): Initialize
 249         referenced_by_count.
 250         (sem_item::add_reference): Register a reference
 251         in ref_map and not in target->usages.
 252         (sem_item::setup): Remove initialization of
 253         dead vectors.
 254         (sem_item::~sem_item): Remove usage of dead vectors.
 255         (sem_item::dump): Remove dump of references.
 256         (sem_item_optimizer::sem_item_optimizer): Initialize
 257         m_references.
 258         (sem_item_optimizer::read_section): Remove useless
 259         dump.
 260         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 261         (sem_item_optimizer::build_graph): Pass m_references
 262         to ::add_reference.
 263         (sem_item_optimizer::verify_classes): Remove usage of dead
 264         vectors.
 265         (sem_item_optimizer::traverse_congruence_split): Return true
 266         when a class is split.
 267         (sem_item_optimizer::do_congruence_step_for_index): Use
 268         hash_map for look up of (sem_item *, index). That brings
 269         significant speed up.
 270         (sem_item_optimizer::do_congruence_step): Return true
 271         when a split is done.
 272         (congruence_class::is_class_used): Use referenced_by_count.
 273
 274 2019-06-04  Alan Modra  <amodra@gmail.com>
 275
 276         PR target/90689
 277         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 278         error.
 279
 280 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 281
 282         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 283         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 284         (rs6000_secondary_reload_simple_move): Adjust.
 285         (rs6000_opt_masks): Neuter the "mfpgpr" option.
 286         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
 287         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
 288         comment.
 289         (power6x): Adjust.
 290         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
 291         (floatunssi<mode>2_lfiwzx): Adjust.
 292         (fix_trunc<mode>si2_stfiwx): Adjust.
 293         (fixuns_trunc<mode>si2_stfiwx): Adjust.
 294         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
 295         (mfpgpr): Mark as deprecated.
 296         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
 297         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
 298         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
 299
 300 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 301
 302         * config/rs6000/constraints.md (define_register_constraint "wg"):
 303         Delete.
 304         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 305         RS6000_CONSTRAINT_wg.
 306         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 307         (rs6000_init_hard_regno_mode_ok): Adjust.
 308         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
 309         Delete "wg" alternatives.
 310         * doc/md.texi (Machine Constraints): Adjust.
 311
 312 2019-06-03  Alan Modra  <amodra@gmail.com>
 313
 314         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
 315         (get_uncond_jump_length): Assert length less than INT_MAX and
 316         non-negative.
 317
 318 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 319
 320         PR middle-end/64242
 321         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
 322         block.
 323         (expand_builtin_nonlocal_goto): Likewise.
 324
 325 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 326
 327         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
 328         (aarch64_asm_output_external): Declare.
 329         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
 330         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
 331         (aarch64_asm_output_alias): New.
 332         (aarch64_asm_output_external): New.
 333         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
 334         (ASM_OUTPUT_EXTERNAL): Define.
 335
 336 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
 337         * tree-vrp.h (value_range_base::nonzero_p): New.
 338         (value_range_base::set_nonnull): Rename to...
 339         (value_range_base::set_nonzero): ...this.
 340         (value_range_base::set_null): Rename to...
 341         (value_range_base::set_zero): ...this.
 342         (value_range::set_nonnull): Remove.
 343         (value_range::set_null): Remove.
 344         * tree-vrp.c (range_is_null): Remove.
 345         (range_is_nonnull): Remove.
 346         (extract_range_from_binary_expr): Use value_range_base::*zero_p
 347         instead of range_is_*null.
 348         (extract_range_from_unary_expr): Same.
 349         (value_range_base::set_nonnull): Rename to...
 350         (value_range_base::set_nonzero): ...this.
 351         (value_range::set_nonnull): Remove.
 352         (value_range_base::set_null): Rename to...
 353         (value_range_base::set_zero): ...this.
 354         (value_range::set_null): Remove.
 355         (extract_range_from_binary_expr): Rename set_*null uses to
 356         set_*zero.
 357         (extract_range_from_unary_expr): Same.
 358         (union_helper): Same.
 359         * vr-values.c (get_value_range): Use set_*zero instead of
 360         set_*null.
 361         (vr_values::extract_range_from_binary_expr): Same.
 362         (vr_values::extract_range_basic): Same.
 363
 364 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 365
 366         PR driver/90684
 367         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
 368
 369 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 370
 371         * config/aarch64/iterators.md (MAX_OPP): New code attr.
 372         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
 373         (aarch64_<su>abd<mode>_3): ... This.
 374         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
 375
 376 2019-06-03  Richard Biener  <rguenther@suse.de>
 377
 378         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 379         full reference tree and record in ref->ref.
 380         (vn_reference_lookup_3): Pass in original ref to
 381         ao_ref_init_from_vn_reference.
 382         (vn_reference_lookup): Likewise.
 383         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 384         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 385         Handle non-decl bases in the original reference.
 386
 387 2019-06-03  Martin Liska  <mliska@suse.cz>
 388
 389         * doc/generic.texi: Remove Java Trees.
 390
 391 2019-06-03  Martin Liska  <mliska@suse.cz>
 392
 393         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
 394         returns 0 when operands are equal.
 395
 396 2019-06-03  Richard Biener  <rguenther@suse.de>
 397
 398         PR tree-optimization/90716
 399         * tree-loop-distribution.c (destroy_loop): Process blocks in
 400         correct order.
 401
 402 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 403
 404         PR target/88837
 405         * vector-builder.h (vector_builder::count_dups): New method.
 406         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
 407         Declare prototype.
 408         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
 409         (vec_init<mode><Vel>): New pattern.
 410         * config/aarch64/aarch64.c (emit_insr): New function.
 411         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
 412         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
 413         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
 414         (aarch64_sve_expand_vector_init): Define two overloaded functions.
 415
 416 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 417
 418         PR tree-optimization/90681
 419         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
 420         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
 421         special case for SLP, but fail on non-groupped loads.
 422
 423 2019-06-03  Martin Liska  <mliska@suse.cz>
 424
 425         * cfg.c (debug): Use TDF_DETAILS for debug and
 426         print edge info only once.
 427
 428 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 429
 430         PR fortran/90539
 431         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
 432
 433 2019-06-01  Martin Sebor  <msebor@redhat.com>
 434
 435         PR middle-end/90694
 436         * tree-pretty-print.c (dump_generic_node): Add parentheses.
 437
 438 2019-05-31  Jan Hubicka  <jh@suse.cz>
 439
 440         * alias.c: Include ipa-utils.h.
 441         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
 442         * ipa-devirt.c (prevailing_odr_type): New.
 443         * ipa-utils.h (previaling_odr_type): Declare.
 444
 445 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 446             Hongtao Liu  <hongtao.liu@intel.com>
 447
 448         PR target/89355
 449         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
 450         NOTE_INSN_DELETED_LABEL check.
 451
 452 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
 453             Robert Suchanek  <robert.suchanek@mips.com>
 454
 455         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
 456         and 3rd operands of the fmadd/fmsub/maddv builtin.
 457
 458 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 459
 460         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
 461         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 462         on OMP_SIMD if not nested inside of worksharing loop that also has
 463         lastprivate conditional clause for the same decl.
 464         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
 465         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
 466         on simd.
 467         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
 468         on simd construct.
 469         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
 470         on simd construct.
 471         (lower_lastprivate_clauses): Likewise.
 472         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
 473         calling lower_rec_input_clauses.
 474         (lower_omp_for): Likewise.
 475         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
 476         clause on simd construct.
 477         * omp-expand.c (expand_omp_simd): Initialize cond_var if
 478         OMP_CLAUSE__CONDTEMP_ clause is present.
 479
 480         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
 481         ivar and lvar.
 482
 483 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 484
 485         PR c/43673
 486         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
 487         TEX_D32, TEX_D64 or TEX_D128.
 488
 489 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 490
 491         * match.pd (~(vec?cst1:cst2)): New transformation.
 492
 493 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 494
 495         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
 496         ((size_t)(A /[ex] B) CMP C): New transformation.
 497
 498 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
 499
 500         * doc/md.texi: Document define_insn_and_rewrite.
 501         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 502         * gensupport.c (queue_elem): Update comment.
 503         (replace_operands_with_dups): New function.
 504         (gen_rewrite_sequence): Likewise.
 505         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 506         * read-rtl.c (apply_subst_iterator): Likewise.
 507         (add_condition_to_rtx, named_rtx_p): Likewise.
 508         (rtx_reader::read_rtx_operand): Likewise.
 509         * config/aarch64/aarch64-sve.md
 510         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 511         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 512         define_insn_and_rewrite.
 513         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 514         Remove separate define_split.
 515
 516 2019-05-31  Jan Hubicka  <jh@suse.cz>
 517
 518         * tree-ssa-alias.c (type_has_components_p): New function.
 519         (aliasing_component_refs_p): Use it.
 520
 521 2019-05-31  Martin Liska  <mliska@suse.cz>
 522
 523         * gdbhooks.py: Add const_tree to TreePrinter.
 524
 525 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 526
 527         PR debug/86964
 528         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 529         * doc/invoke.texi (Debugging Options): Document new default of
 530         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 531
 532 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 533
 534         PR tree-optimization/90671
 535         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 536         template_block used to be empty on the first call, don't use
 537         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 538         seq with bb_seq and set it with set_bb_seq.
 539
 540 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 541
 542         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 543
 544 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 545             Michael Meissner  <meissner@linux.ibm.com>
 546
 547         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 548         (prefixed_mem_operand): Likewise.
 549         (non_prefixed_mem_operand): Likewise.
 550         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 551         prototype.
 552         * config/rs6000/rs6000.c (print_operand_address): Handle
 553         PC-relative addresses.
 554         (mode_supports_prefixed_address_p): New function.
 555         (rs6000_prefixed_address): New function.
 556         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 557         (SYMBOL_REF_PCREL_P): Likewise.
 558
 559 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 560
 561         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 562         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 563         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 564         is nested inside of parallel region, add _condtemp_ clause to both.
 565         * tree-nested.c (convert_nonlocal_omp_clauses,
 566         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 567         assertion failure.
 568         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 569         member.
 570         * omp-general.c (omp_extract_for_data): Compute it.
 571         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 572         (lower_rec_input_clauses): Likewise.
 573         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 574         clause is already present, just add one further one after it.
 575         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 576         (lower_send_shared_vars): Clear _condtemp_ vars.
 577         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 578         or section or taskgroup.
 579         * omp-expand.c (determine_parallel_type): Disallow combining only if
 580         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 581         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 582         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 583         expand_omp_for_static_chunk, expand_omp_for): Use
 584         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 585         determine if a special set of API routines are needed and if condtemp
 586         needs to be initialized, while always initialize cond_var if
 587         fd->lastprivate_conditional is non-zero.
 588
 589 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 590             Michael Meissner  <meissner@linux.ibm.com>
 591
 592         * config/rs6000/constraints.md (eI): New constraint.
 593         * config/rs6000/predicates.md (cint34_operand): New predicate.
 594         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 595         (SIGNED_34BIT_OFFSET_P): Likewise.
 596         * doc/md.texi (eI): Document constraint.
 597
 598 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 599
 600         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 601
 602 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 603             Michael Meissner  <meissner@linux.ibm.com>
 604
 605         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 606         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 607         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 608         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 609         (OTHER_FUTURE_MASKS): Likewise.
 610         (POWERPC_MASKS): Likewise.
 611         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 612         specified without -mprefixed-addr or -mcpu=future.  Error if
 613         -mprefixed-addr is specified without -mcpu=future.
 614         (rs6000_opt_masks): Add entry for prefixed-addr.
 615         * rs6000.opt (mprefixed-addr): New option.
 616
 617 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 618
 619         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 620         cfun->is_thunk check.
 621
 622 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 623
 624         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 625         to length.
 626
 627 2019-05-30  Martin Liska  <mliska@suse.cz>
 628
 629         * gdbinit.in: Fix 'ptc' command.  Add trt
 630         that prints TREE_TYPE($).
 631
 632 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 633             Alan Modra  <amodra@gmail.com>
 634
 635         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 636         calls here...
 637         (rs6000_indirect_call_template_1): ...and here.
 638         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 639         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 640         rs6000_pltseq_enum.
 641         (rs6000_decl_ok_for_sibcall): New function.
 642         (rs6000_function_ok_for_sibcall): Refactor.
 643         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 644         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 645         when pcrel.  Reorganize.
 646         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 647         * rs6000.h (rs6000_pltseq_enum): New enum.
 648         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 649         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 650         (*pltseq_plt16_ha): Likewise.
 651         (*pltseq_plt16_lo): Likewise.
 652         (*pltseq_mtctr): Likewise.
 653         (*pltseq_plt_pcrel): New insn.
 654         (*call_local_aix): Handle @notoc calls.
 655         (*call_value_local_aix): Likewise.
 656         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 657         (*call_value_nonlocal_aix): Likewise.
 658         (*call_indirect_pcrel): New insn.
 659         (*call_value_indirect_pcrel): Likewise.
 660
 661
 662 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 663
 664         * config/i386/sse.md (*save_multiple<mode>): Rename from
 665         save_multiple<mode>.
 666         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 667         (*restore_multiple_and_return<mode>): Rename from
 668         restore_multiple_and_return<mode>.
 669         (*restore_multiple_leave_return<mode>): Rename from
 670         restore_multiple_leave_return<mode>.
 671
 672 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 673
 674         * config.gcc (rx-*-linux*): New target.
 675         * config/rx/elf.opt: New file.
 676         * config/rx/linux.h: Likewise.
 677         * config/rx/t-linux: Likewise.
 678         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 679         make it zero.
 680         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 681         (ASM_APP_OFF): Likewise.
 682         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 683         moved elsewhere.
 684
 685 2019-05-29  Jan Hubicka  <jh@suse.cz>
 686
 687         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 688         variants are pointer equivalent.
 689
 690 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 691
 692         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 693         * config/aarch64/aarch64-sve2.md: New file.
 694         (<u>avg<mode>3_floor): New pattern.
 695         (<u>avg<mode>3_ceil): Likewise.
 696         (*<sur>h<addsub><mode>): Likewise.
 697         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 698         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 699
 700 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 701
 702         PR bootstrap/90543
 703         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 704         for var_opt_string printing.  In cl_optimization_print_diff, print
 705         (null) instead of invoking undefined behavior if one of the
 706         var_opt_string pointers is NULL and use && instead of first || in the
 707         guarding condition.  For var_target_other options, handle const char *
 708         target variables similarly to const char * optimize node variables.
 709
 710 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 711
 712         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 713         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 714         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 715         Add autib1716 and pacib1716 initialisation.
 716         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 717         for autib1716 and pacib1716.
 718         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 719         aarch64_post_cfi_startproc): Define.
 720         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 721         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 722         aarch64_handle_pac_ret_protection): Set default sign key to A.
 723         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 724         aarch64_expand_prologue): Add check for b-key.
 725         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 726         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 727         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 728         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 729         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 730         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 731         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 732         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 733         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 734         pauth_hint_num_a with pauth_hint_num.
 735         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 736         pauth_hint_num_a with pauth_hint_num.
 737         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 738         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 739         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 740         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 741         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 742         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 743         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 744         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 745         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 746         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 747         UNSPEC_AUTIA1716 respectively.
 748         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 749         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 750         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 751         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 752         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 753
 754 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 755
 756         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 757         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 758         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 759         explicit clause on combined parallel into implicit shared clause.
 760         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 761         and firstprivate if the decl has one too from combined parallel to
 762         the worksharing construct.
 763
 764 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 765             Michael Meissner  <meissner@linux.ibm.com>
 766
 767         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 768
 769 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 770
 771         * rtl.h (LABEL_REF_P): New #define.
 772
 773 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 774
 775         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 776
 777 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 778
 779         * internal-fn.c: Marked mask_load_direct as vectorizable.
 780         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 781         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 782         combined even if masks different with allow_slp_p param.
 783         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 784         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 785         dissolve SLP-only vectorizable groups when SLP has been discarded.
 786         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 787         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 788         masks.
 789         (vect_build_slp_tree_1): Fixed comment typo.
 790         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 791         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 792         loads for SLP only.
 793         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 794         vectorizable.
 795         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 796
 797 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 798
 799         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 800         Remove obsolete use_thunk reference.
 801         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 802         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 803         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 804         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 805         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 806         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 807         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 808         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 809         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 810
 811 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 812
 813         * tree.h (IDENTIFIER_ANON_P): New.
 814         (anon_aggrname_format, anon_aggname_p): Don't declare.
 815         (make_anon_name): Declare.
 816         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 817         (hash_tree): Likewise.
 818         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 819         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 820         (anon_cnt, make_anon_name): New.
 821
 822 2019-05-28  Martin Liska  <mliska@suse.cz>
 823
 824         PR other/90315
 825         * opts-global.c (decode_options): Print help for all
 826         help_option_arguments.
 827         * opts.c (print_help): Add new argument.
 828         (common_handle_option): Remember all values into
 829         help_option_arguments.
 830         * opts.h (print_help): Add new argument.
 831
 832 2019-05-28  Martin Liska  <mliska@suse.cz>
 833
 834         PR ipa/90555
 835         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 836         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 837         (func_checker::compare_bb): Call compare_loops.
 838
 839 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 840
 841         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 842         on sections construct.
 843         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 844         construct.
 845         (lower_omp_sections): Handle lastprivate conditional.
 846         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 847         lastprivate_conditional_map.
 848         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 849
 850         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 851         critical, taskgroup and section regions when looking for a region
 852         with non-NULL lastprivate_conditional_map.
 853
 854 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 855
 856         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 857         (*ix86_gen_sub3): Ditto.
 858         (*ix86_gen_sub3_carry): Ditto.
 859         (*ix86_gen_one_cmpl2): Ditto.
 860         (*ix86_gen_andsp): Ditto.
 861         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 862         (gen_and2_insn): New static function.
 863         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 864         Use gen_add3_insn instead of ix86_gen_add3.
 865         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 866         instead of ix86_gen_add3.
 867         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 868         Use gen_sub3_insn instead of ix86_gen_sub3.
 869         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 870         instead of ix86_gen_add3.
 871         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 872         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 873         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 874         * config/i386/i386-options.c (ix86_option_override_internal):
 875         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 876         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 877
 878 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 879
 880         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 881         and DW_OP_GNU_const_index opcodes.
 882
 883 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 884
 885         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 886
 887 2019-05-27  Richard Biener  <rguenther@suse.de>
 888
 889         PR tree-optimization/90637
 890         * tree-ssa-sink.c (statement_sink_location): Honor the
 891         computed sink location for single-uses.
 892
 893 2019-05-27  Richard Biener  <rguenther@suse.de>
 894
 895         PR middle-end/90610
 896         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 897         a bit-insert.
 898
 899 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 900
 901         * config/i386/i386.md (@sub<mode>3_carry): Rename
 902         from sub<mode>3_carry.
 903         (@leave_<mode>): New expander.
 904         (*leave): Rename from leave.
 905         (*leave_rex64): Rename from leave_rex64.
 906         (@monitorx_<mode>): Rename from monitorx_<mode>.
 907         (@clzero_<mode>): Rename from clzero_<mode>.
 908         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 909         from sse3_monitor_<mode>.
 910         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 911         (*ix86_gen_leave): Ditto.
 912         (*ix86_gen_monitor): Ditto.
 913         (*ix86_gen_monitorx): Ditto.
 914         (*ix86_gen_clzero): Ditto.
 915         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 916         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 917         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 918         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 919         Use gen_sse3_monitor instead of ix86_gen_monitor.
 920         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 921         instead of ix86_gen_monitorx.
 922         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 923         instead of ix86_gen_clzero.
 924         * config/i386/i386-options.c (ix86_option_override_internal):
 925         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 926         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 927
 928 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 929
 930         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 931         Rename from tls_global_dynamic_64_<mode>.
 932         (@tls_local_dynamic_base_64_<mode>): Rename from
 933         tls_local_dynamic_base_64_<mode>.
 934         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 935         Remove indirect function.
 936         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 937         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 938         instead of ix86_gen_tls_global_dynamic_64.
 939         Use gen_tls_local_dynamic_base_64 instead of
 940         ix86_gen_tls_local_dynamic_base_64.
 941         * config/i386/i386-options.c (ix86_option_override_internal):
 942         Do not initialize ix86_gen_tls_global_dynamic_64 and
 943         ix86_gen_tls_local_dynamic_base_64.
 944
 945 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 946
 947         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 948         Rename from pro_epilogue_adjust_stack_<mode>_add.
 949         (@pro_epilogue_adjust_stack_sub_<mode>)
 950         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 951         (@allocate_stack_worker_probe_<mode>):
 952         Rename from allocate_stack_worker_probe_<mode>.
 953         (allocate_stack): Use gen_allocate_stack_worker_probe.
 954         (probe_stack): Use gen_probe_stack_1.
 955         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 956         (@adjust_stack_and_probe_<mode>): Rename from
 957         adjust_stack_and_probe<mode>.
 958         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 959         (stack_protect_set): Use gen_stack_protect_set_1.
 960         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 961         (stack_protect_test): Use gen_stack_protect_test_1.
 962         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 963         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 964         Remove indirect function.
 965         (*ix86_gen_adjust_stack_and_probe): Ditto.
 966         (*ix86_gen_probe_stack_range): Ditto.
 967         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 968         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 969         (ix86_adjust_stack_and_probe_stack_clash): Use
 970         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 971         (ix86_adjust_stack_and_probe): Ditto.
 972         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 973         of ix86_gen_probe_stack_range.
 974         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 975         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 976         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 977         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 978         CODE_FOR_stack_protect_test_{si,di}.
 979         * config/i386/i386-options.c (ix86_option_override_internal):
 980         Do not initialize ix86_gen_allocate_stack_worker,
 981         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 982
 983 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 984
 985         * doc/invoke.texi (Link Options): Many editorial changes around
 986         -flinker-output.
 987
 988 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 989
 990         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 991         pre-Solaris 11 referene and most Studio compiler details.
 992
 993 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 994
 995         PR target/90530
 996         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 997         DImode to SImode in floating-point registers on 64-bit target.
 998         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 999         register_operand in xmpyu patterns.
1000
1001 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1002
1003         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1004         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1005         OMP_CLAUSE__REDUCTEMP_.
1006         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1007         OMP_CLAUSE__CONDTEMP_.
1008         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1009         * tree-pretty-print.c (dump_omp_clause): Likewise.
1010         * tree-nested.c (convert_nonlocal_omp_clauses,
1011         convert_local_omp_clauses): Likewise.
1012         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1013         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1014         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1015         on OMP_FOR.
1016         (gimplify_omp_for): Warn and disable conditional modifier from
1017         lastprivate on loop iterators.
1018         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1019         member.
1020         * omp-general.c (omp_extract_for_data): Initialize it.
1021         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1022         member.
1023         (delete_omp_context): Delete it.
1024         (lower_lastprivate_conditional_clauses): New function.
1025         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1026         handle lastprivate conditional clauses.
1027         (lower_reduction_clauses): Add CLIST argument, emit it into
1028         the critical section if any.
1029         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1030         lower_reduction_clauses callers.
1031         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1032         to lower_lastprivate_clauses.
1033         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1034         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1035         clist into a critical section if not emitted there already by
1036         lower_reduction_clauses.
1037         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1038         callers.
1039         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1040         conditional variables.
1041         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1042         clause is present.
1043         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1044         expand_omp_for_static_chunk): Handle lastprivate conditional.
1045         (expand_omp_for): Handle fd.lastprivate_conditional like
1046         fd.have_reductemp.
1047
1048 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1049
1050         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1051         kernel does not exit cleanly.
1052         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1053
1054 2019-05-24  Jason Merrill  <jason@redhat.com>
1055
1056         Revert:
1057         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1058
1059 2019-05-24  Richard Biener  <rguenther@suse.de>
1060
1061         PR testsuite/90607
1062         * tree-loop-distribution.c (struct partition): Add location
1063         member.
1064         (partition_alloc): Initialize all fields.
1065         (generate_memset_builtin): Use the location recorded in the
1066         partition for the generated call.
1067         (generate_memcpy_builtin): Likewise.
1068         (classify_partition): Record the location of a single store
1069         as location for the partition.
1070
1071 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1072
1073         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1074         for lo-part.
1075
1076 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1077
1078         PR target/90588
1079         * common/config/aarch64/aarch64-common.c
1080         (aarch64_rewrite_selected_cpu): Change local temporary variable
1081         type from unsigned long to uint64_t.
1082         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1083         aarch64_get_extension_string_for_isa_flags): Change declaration to
1084         match new definition by replacing unsigned long with uint64_t.
1085
1086 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1087
1088         PR target/90568
1089         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1090         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1091         Handle stack_protect_test_<mode> codegen similarly to corresponding
1092         sub instruction.
1093
1094 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1095
1096        * config/i386/darwin.h: Reject -mfentry*.
1097        * doc/sourcebuild.texi: Document mfentry target support.
1098
1099 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1100
1101         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1102         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1103         false for PC-relative functions.
1104         (rs6000_output_function_prologue): Change called function name to
1105         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1106         name,1" for PC-relative functions.
1107         (rs6000_elf_declare_function_name): Change called function name to
1108         rs6000_global_entry_point_prologue_needed_p.
1109
1110 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1111
1112         PR target/90552
1113         * config/i386/i386.c (gen_rtx_cost):
1114         Use ix86_tune_cost instead of ix86_cost.
1115
1116 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1117             Michael Meissner  <meissner@linux.ibm.com>
1118             Segher Boessenkool  <segher@kernel.crashing.org>
1119
1120         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1121         OPTION_MASK_PCREL.
1122         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1123         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1124         (rs6000_fndecl_pcrel_p): Likewise.
1125         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1126         error if -mpcrel is requested without -mcpu=future.
1127         (rs6000_opt_masks): Add entry for pcrel.
1128         (rs6000_fndecl_pcrel_p): New function.
1129         (rs6000_pcrel_p): Likewise.
1130         * config/rs6000/rs6000.opt (mpcrel): New option.
1131         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1132
1133 2019-05-23  Jan Hubicka  <jh@suse.cz>
1134             Martin Liska  <mliska@suse.cz>
1135
1136         PR tree-optimization/90576
1137         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1138         poly_int_tree_p.
1139         (aliasing_component_refs_p): Fix three way size compare conditional;
1140         give up earlier in case we can not decide on equivalence.
1141
1142 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1143             Michael Meissner  <meissner@linux.ibm.com>
1144             Segher Boessenkool  <segher@kernel.crashing.org>
1145
1146         * config.gcc: Add future cpu.
1147         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1148         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1149         #define.
1150         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1151         (RS6000_CPU): New instantiation for future cpu.
1152         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1153         PROCESSOR_FUTURE.
1154         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1155         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1156         * config/rs6000/rs6000-tables.opt: Regenerate.
1157         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1158         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1159         (rs6000_machine_from_flags): Handle future cpu.
1160         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1161         PROCESSOR_POWER9 for now.
1162         (rs6000_adjust_cost): Likewise.
1163         (rs6000_issue_rate): Likewise.
1164         (rs6000_register_move_cost): Likewise.
1165         (rs6000_opt_masks): Add entry for future.
1166         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1167         (MASK_FUTURE): New #define.
1168         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1169         * config/rs6000/rs6000.opt (mfuture): New target option.
1170         * doc/invoke.texi (mcpu): Add future cpu.
1171
1172 2019-05-23  Martin Liska  <mliska@suse.cz>
1173
1174         PR c++/90587
1175         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1176         operation points to a temporary (pointed via tree_to_wide_ref)
1177         that is out of scope after the &.
1178
1179 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1180
1181         PR c++/90592
1182         * doc/extend.texi (Function Names): Add missing word.
1183
1184 2019-05-23  Richard Biener  <rguenther@suse.de>
1185
1186         PR tree-optimization/88440
1187         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1188         at -O[2s]+.
1189         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1190         generated call.
1191         (generate_memcpy_builtin): Likewise.
1192         (distribute_loop): Pass in whether to only distribute patterns.
1193         (prepare_perfect_loop_nest): Also allow size optimization.
1194         (pass_loop_distribution::execute): When optimizing a loop
1195         nest for size allow pattern replacement.
1196
1197 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1198
1199         PR target/90568
1200         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1201         of xor.
1202
1203 2019-05-23  Martin Liska  <mliska@suse.cz>
1204
1205         PR sanitizer/90570
1206         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1207         expression similarly to gimplify_decl_expr.
1208
1209 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1210
1211         * cse.c (cse_dump_path): s/dump_file/f.
1212
1213 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1214
1215         PR c++/90462
1216         * diagnostic-format-json.cc: Include "selftest.h".
1217         (json_from_expanded_location): Only add "file" key for non-NULL
1218         file strings.
1219         (json_from_location_range): Don't add "start" and "finish"
1220         children if they are UNKNOWN_LOCATION.
1221         (selftest::test_unknown_location): New selftest.
1222         (selftest::test_bad_endpoints): New selftest.
1223         (selftest::diagnostic_format_json_cc_tests): New function.
1224         * json.cc (json::object::get): New function.
1225         (selftest::test_object_get): New selftest.
1226         (selftest::json_cc_tests): Call it.
1227         * json.h (json::object::get): New decl.
1228         * selftest-run-tests.c (selftest::run_tests): Call
1229         selftest::diagnostic_format_json_cc_tests.
1230         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1231         decl.
1232
1233 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1234             Andrew Stubbs  <amd@codesourcery.com>
1235
1236         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1237         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1238         (kernel): Rename to...
1239         (main_kernel): ... this.
1240         (load_image): Load _init_array and _fini_array kernels.
1241         (run): Add argument for kernel to run.
1242         (main): Run init_array_kernel before main_kernel, and
1243         fini_array_kernel after.
1244         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1245         amdgpu_hsa_kernel attribute on functions.
1246         (gcn_disable_constructors): Delete.
1247         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1248         * config/gcn/crt0.c (size_t): Define.
1249         (_init_array, _fini_array): New.
1250         (__preinit_array_start, __preinit_array_end,
1251         __init_array_start, __init_array_end,
1252         __fini_array_start, __fini_array_end): Declare weak references.
1253
1254 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1255
1256         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1257
1258 2019-05-22  Jason Merrill  <jason@redhat.com>
1259
1260         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1261
1262 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1263
1264         PR target/88483
1265         * config/i386/i386-options.c (ix86_init_machine_status): Set
1266         stack_frame_required to true.
1267         * config/i386/i386.c (ix86_get_frame_size): New function.
1268         (ix86_frame_pointer_required): Replace get_frame_size with
1269         ix86_get_frame_size.
1270         (ix86_compute_frame_layout): Likewise.
1271         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1272         stack_frame_required.
1273         (ix86_finalize_stack_frame_flags): Always call
1274         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1275         ix86_get_frame_size.
1276         * config/i386/i386.h (machine_function): Add stack_frame_required.
1277
1278 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1279
1280         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1281
1282 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1283
1284         * common/config/aarch64/aarch64-common.c
1285         (struct aarch64_option_extension, struct processor_name_to_arch,
1286         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1287         aarch64_contains_opt,
1288         aarch64_get_extension_string_for_isa_flags): Change type of
1289         variables storing flags to uint64_t.
1290         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1291         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1292         * config/aarch64/aarch64.c (struct processor,
1293         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1294         aarch64_validate_march, aarch64_override_options,
1295         aarch64_option_print, aarch64_handle_attr_isa_flags,
1296         aarch64_declare_function_name, aarch64_start_file): Make flag
1297         variables uint64_t.
1298         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1299         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1300         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1301         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1302         * config/aarch64/driver-aarch64.c
1303         (struct aarch64_arch_extension, struct aarch64_core_data,
1304         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1305         flag variables uint64_t.
1306         * doc/invoke.texi: Add documentation for new arguments.
1307
1308 2019-05-22  Richard Biener  <rguenther@suse.de>
1309
1310         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1311         rewrite ...
1312         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1313
1314 2019-05-22  Martin Liska  <mliska@suse.cz>
1315
1316         PR lto/90500
1317         * doc/extend.texi: Document the change.
1318
1319 2019-05-22  Richard Biener  <rguenther@suse.de>
1320
1321         PR tree-optimization/90450
1322         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1323         (mem_ref_hasher::equal): Check it.
1324         (mem_ref_alloc): Initialize it.
1325         (gather_mem_refs_stmt): Set it.
1326
1327 2019-05-22  Richard Biener  <rguenther@suse.de>
1328
1329         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1330         Add ABS_EXPR.
1331         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1332         as ABSU_EXPR.
1333
1334 2019-05-22  Alan Modra  <amodra@gmail.com>
1335
1336         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1337         (ASM_CPU_SPEC): Conditionally add -many.
1338         * config/rs6000/rs6000.c (rs6000_machine): New static var.
1339         (rs6000_machine_from_flags, emit_asm_machine): New functions..
1340         (rs6000_file_start): ..extracted from here, and modified to
1341         test all ISA bits.
1342         (rs6000_output_function_prologue): Emit .machine as necessary.
1343         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1344         power mnemonics.
1345         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1346         added by check_vect_support_and_set_flags.
1347         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1348         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1349
1350 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
1351
1352         PR middle-end/90553
1353         * ira-lives.c (process_bb_node_lives): Consider defs
1354         for a call insn to be die before the call, not after.
1355
1356         * function.c (assign_parm_setup_block): Raise alignment of
1357         stacked parameter only for STRICT_ALIGNMENT targets.
1358
1359 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1360
1361         * config/rs6000/constraints.md (define_register_constraint "wz"):
1362         Delete.
1363         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1364         RS6000_CONSTRAINT_wz.
1365         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1366         (rs6000_init_hard_regno_mode_ok): Adjust.
1367         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1368         * doc/md.texi (Machine Constraints): Adjust.
1369
1370 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1371
1372         * config/rs6000/constraints.md (define_register_constraint "wl"):
1373         Delete.
1374         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1375         RS6000_CONSTRAINT_wl.
1376         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1377         (rs6000_init_hard_regno_mode_ok): Adjust.
1378         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1379         * doc/md.texi (Machine Constraints): Adjust.
1380
1381 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1382
1383         * config/rs6000/constraints.md (define_register_constraint "wm"):
1384         Delete.
1385         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1386         RS6000_CONSTRAINT_wm.
1387         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1388         (rs6000_init_hard_regno_mode_ok): Adjust.
1389         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1390         * doc/md.texi (Machine Constraints): Adjust.
1391
1392 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1393
1394         * config/rs6000/constraints.md (define_register_constraint "wk"):
1395         Delete.
1396         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1397         RS6000_CONSTRAINT_wk.
1398         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1399         (rs6000_init_hard_regno_mode_ok): Adjust.
1400         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1401         * doc/md.texi (Machine Constraints): Adjust.
1402
1403 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1404
1405         * config/rs6000/constraints.md (define_register_constraint "wj"):
1406         Delete.
1407         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1408         RS6000_CONSTRAINT_wj.
1409         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1410         (rs6000_init_hard_regno_mode_ok): Adjust.
1411         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1412         (VS_64dm): Delete.
1413         * config/rs6000/vsx.md: Ditto.
1414         * doc/md.texi (Machine Constraints): Adjust.
1415
1416 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1417
1418         * config/rs6000/constraints.md (define_register_constraint "wh"):
1419         Delete.
1420         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1421         RS6000_CONSTRAINT_wh.
1422         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1423         (rs6000_init_hard_regno_mode_ok): Adjust.
1424         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1425         * doc/md.texi (Machine Constraints): Adjust.
1426
1427 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1428
1429         PR target/90547
1430         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1431         Avoid calling gen_lowpart with CONST operand.
1432
1433 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1434
1435         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1436         field template_last_to_copy.
1437         (ssa_create_duplicates): Set it, and use it.  Attempt to
1438         preserve more debug stmts.
1439
1440 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1441
1442         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1443         (signbit<mode>2): New expander
1444
1445 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1446
1447         PR bootstrap/87338
1448         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1449         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1450
1451 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1452
1453         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1454         %ebx and %ecx bafore calling cpuid with leaf 1 or
1455         non-constant leaf argument.
1456
1457 2019-05-21  Alan Modra  <amodra@gmail.com>
1458
1459         PR target/90545
1460         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1461         power9 direct move cost.
1462         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1463         Correct comments and rename functions to suit parameters.
1464
1465 2019-05-21  Richard Biener  <rguenther@suse.de>
1466
1467         PR middle-end/90510
1468         * fold-const.c (fold_read_from_vector): New function.
1469         * fold-const.h (fold_read_from_vector): Declare.
1470         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1471         single-element insert permutations.  Canonicalize selector
1472         further and fix issue with last commit.
1473
1474 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1475
1476         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1477         parameter with default value false to declaration.
1478         (split_edges_for_insertion): New inline function.  Wrapper for
1479         split_critical_edges with for_edge_insertion_p = true.
1480         * tree-cfg.c (split_critical_edges): Don't split non-critical
1481         edges if for_edge_insertion_p is false.  Fix whitespace.
1482         * tree-ssa-pre.c (pass_pre::execute): Call
1483         split_edges_for_insertion instead of split_critical_edges.
1484         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1485         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1486         (pass_data_sink_code): Update function name in the comment.
1487
1488 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1489
1490         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1491         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1492         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1493         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1494         positives.
1495
1496 2019-05-21  Martin Liska  <mliska@suse.cz>
1497
1498         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1499         an extra newline.
1500         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1501         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1502         vec_lvsr.
1503         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1504         Quote a C type.
1505         (rs6000_function_arg): Likewise.
1506         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1507         (rs6000_expand_ternop_builtin): Use interval syntax.
1508         (get_element_number): Likewise.
1509         (altivec_expand_builtin): Likewise.
1510         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1511
1512 Fix test-suite.
1513
1514 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1515
1516         PR c++/59813
1517         PR target/90418
1518         * function.h (struct function): Add calls_eh_return member.
1519         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1520         gimplifying __builtin_eh_return call.
1521         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1522         to cfun.
1523         (expand_call_inline): Or in src_cfun->calls_eh_return into
1524         dst_cfun->calls_eh_return.
1525         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1526         cfun->calls_eh_return.
1527         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1528         * lto-streamer-out.c (output_struct_function_base): Write
1529         calls_eh_return.
1530
1531 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1532
1533         PR rtl-optimization/43147
1534         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1535         IX86_BUILTIN_SHUFPD.
1536
1537 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1538
1539         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1540         (refs_may_alias_p_1): ... here; update stats.
1541         (refs_may_alias_p): Do not update stats here.
1542
1543 2019-05-20  Richard Biener  <rguenther@suse.de>
1544
1545         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1546         doesn't produce pointers.
1547         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1548         the first operand points to.
1549
1550 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1551
1552         * tree-ssa-alias.c (compare_sizes): New function.
1553         (sompare_type_sizes): New function
1554         (aliasing_component_refs_p): Use it.
1555         (indirect_ref_may_alias_decl_p): Likewise.
1556
1557 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1558
1559         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1560
1561 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1562
1563         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1564         (LIBLSAN_EARLY_SPEC): Likewise.
1565         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1566
1567 2019-05-20  Martin Liska  <mliska@suse.cz>
1568
1569         * config/i386/i386.c (ix86_libc_has_fast_function):
1570         Add ATTRIBUTE_UNUSED for the argument.
1571
1572 2019-05-20  Richard Biener  <rguenther@suse.de>
1573
1574         * gimple-match-head.c: Include vec-perm-indices.h.
1575         * generic-match-head.c: Likewise.
1576         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1577         is included.
1578         * fold-const.c (fold_vec_perm): Export.
1579         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1580         (match.pd): ...here.
1581
1582 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1583
1584         * cfgloop.h (struct loop): Add simdlen member.
1585         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1586         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1587         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1588         as new argument to autovectorize_vector_sizes target hook.  If
1589         loop->simdlen, pick up vector size where the vectorization factor
1590         is equal to loop->simd, and if there is none, fall back to the first
1591         successful one.
1592         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1593         caller.
1594         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1595         * omp-general.c (omp_max_vf): Likewise.
1596         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1597         * tree-vect-slp.c (vect_slp_bb): Likewise.
1598         * target.def (autovectorize_vector_sizes): Add ALL argument and
1599         document it.
1600         * doc/tm.texi: Adjust documentation.
1601         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1602         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1603         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1604         bool argument.
1605         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1606         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1607         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1608         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1609         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1610         preferred vector size is not 512-bit or 256-bit, just put those
1611         unpreferred ones last.
1612
1613 2019-05-20  Martin Liska  <mliska@suse.cz>
1614
1615         * targhooks.c (default_libc_has_fast_function): New function.
1616         * targhooks.h (default_libc_has_fast_function): Likewise.
1617
1618 2019-05-20  Martin Liska  <mliska@suse.cz>
1619
1620         PR middle-end/90263
1621         * builtins.c (expand_builtin_memory_copy_args): When having a
1622         target with fast mempcpy implementation do now use memcpy.
1623         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1624         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1625         * doc/tm.texi: Likewise.
1626         * doc/tm.texi.in: Likewise.
1627         * target.def:
1628         * expr.c (emit_block_move_hints): Add 2 new arguments.
1629         * expr.h (emit_block_move_hints): Bail out when libcall
1630         to memcpy would be used.
1631
1632 2019-05-20  Martin Liska  <mliska@suse.cz>
1633
1634         * profile-count.c: Add vertical spacing in order
1635         to separate functions.
1636         * profile-count.h: Likewise.
1637
1638 2019-05-20  Martin Liska  <mliska@suse.cz>
1639
1640         * profile-count.h: Do not use full qualified
1641         names if possible.
1642         * profile-count.c (profile_count::to_frequency): Likewise.
1643
1644 2019-05-20  Martin Liska  <mliska@suse.cz>
1645
1646         * profile-count.h (enum profile_quality): Use capital letters
1647         for enum value names.  Use the adjusted names.
1648         * profile-count.c: Use the adjusted names.
1649
1650 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1651
1652         * config/rs6000/constraints.md (define_register_constraint "wH"):
1653         Delete.
1654         (define_register_constraint "wI"): Delete.
1655         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1656         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1657         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1658         (rs6000_init_hard_regno_mode_ok): Adjust.
1659         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1660         resp. "d", or with "wa" as appropriate, all with "p8v".
1661         * config/rs6000/vsx.md: Ditto.
1662         * doc/md.texi (Machine Constraints): Adjust.
1663
1664 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1665
1666         * config/rs6000/constraints.md (define_register_constraint "wy"):
1667         Delete.
1668         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1669         RS6000_CONSTRAINT_wy.
1670         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1671         (rs6000_init_hard_regno_mode_ok): Adjust.
1672         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1673         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1674         (define_mode_attr Fisa): New.
1675         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1676         * doc/md.texi (Machine Constraints): Adjust.
1677
1678 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1679
1680         * config/rs6000/constraints.md (define_register_constraint "wu"):
1681         Delete.
1682         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1683         RS6000_CONSTRAINT_wu.
1684         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1685         (rs6000_init_hard_regno_mode_ok): Adjust.
1686         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1687         both with "p8v".
1688         (define_mode_attr Fa): Delete.
1689         * config/rs6000/vsx.md: Ditto.
1690         * doc/md.texi (Machine Constraints): Adjust.
1691
1692 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1693
1694         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1695         Delete.
1696         (define_register_constraint "wK"): Delete.
1697         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1698         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1699         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1700         (rs6000_init_hard_regno_mode_ok): Adjust.
1701         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1702         Replace "wK" constraint by "wH" with "p9v".
1703         * config/rs6000/vsx.md: Ditto.
1704         * doc/md.texi (Machine Constraints): Adjust.
1705
1706 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1707
1708         * config/rs6000/constraints.md (define_register_constraint "wb"):
1709         Delete.
1710         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1711         RS6000_CONSTRAINT_wb.
1712         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1713         (rs6000_init_hard_regno_mode_ok): Adjust.
1714         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1715         * config/rs6000/vsx.md: Ditto.
1716         * doc/md.texi (Machine Constraints): Adjust.
1717
1718 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1719
1720         * config/rs6000/constraints.md (define_register_constraint "wo"):
1721         Delete.
1722         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1723         RS6000_CONSTRAINT_wo.
1724         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1725         (rs6000_init_hard_regno_mode_ok): Adjust.
1726         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1727         * config/rs6000/altivec.md: Ditto.
1728         * doc/md.texi (Machine Constraints): Adjust.
1729
1730 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1731
1732         * config/darwin-c.c (darwin_register_objc_includes): Do not
1733         prepend the sysroot when building gnu-runtime header search
1734         paths.
1735
1736 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1737
1738         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1739         instead of direct output of the asm.
1740
1741 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1742
1743         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1744         argument to be type bool (was int before).
1745         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1746         at first use.  Use type bool for some variables.  Fix a theoretical
1747         eh_return bug for svr4.
1748
1749 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1750
1751         * config/rs6000/rs6000.md (isa): New attribute.
1752         (enabled): New attribute.
1753
1754 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1755
1756         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1757         assemble_start_function and assemble_end_function.
1758
1759 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1760
1761         PR middle-end/89433
1762         * omp-general.c (oacc_verify_routine_clauses): Change formal
1763         parameters.  Add checking if already marked with an OpenACC
1764         'routine' directive.  Adjust all users.
1765
1766         PR middle-end/89433
1767         * omp-general.c (oacc_build_routine_dims): Move some of its
1768         processing into...
1769         (oacc_verify_routine_clauses): ... this new function.
1770         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1771
1772 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1773
1774         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1775         formating of picbase labels to match other ports.
1776
1777 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1778
1779         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1780         in the generated code.
1781
1782 2019-05-16  Martin Sebor  <msebor@redhat.com>
1783
1784         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1785         identifiers, keywords, operators, and types in diagnostics.  Correct
1786         quoting, spelling, and sentence capitalization issues.
1787         (expand_builtin_atomic_is_lock_free): Same.
1788         (fold_builtin_next_arg): Same.
1789         * cfgexpand.c (expand_one_var): Same.
1790         (tree_conflicts_with_clobbers_p): Same.
1791         (expand_asm_stmt): Same.
1792         (verify_loop_structure): Same.
1793         * cgraphunit.c (process_function_and_variable_attributes): Same.
1794         * collect-utils.c (collect_execute): Same.
1795         * collect2.c (maybe_run_lto_and_relink): Same.
1796         (is_lto_object_file): Same.
1797         (scan_prog_file): Same.
1798         * convert.c (convert_to_real_1): Same.
1799         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1800         * except.c (verify_eh_tree): Same.
1801         * gcc.c (execute): Same.
1802         (eval_spec_function): Same.
1803         (run_attempt): Same.
1804         (driver::set_up_specs): Same.
1805         (compare_debug_auxbase_opt_spec_function): Same.
1806         * gcov-tool.c (unlink_gcda_file): Same.
1807         (do_merge): Same.
1808         (do_rewrite): Same.
1809         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1810         * gimplify.c (gimplify_asm_expr): Same.
1811         (gimplify_adjust_omp_clauses): Same.
1812         * hsa-gen.c (gen_hsa_addr_insns): Same.
1813         (gen_hsa_insns_for_load): Same.
1814         (gen_hsa_cmp_insn_from_gimple): Same.
1815         (gen_hsa_insns_for_operation_assignment): Same.
1816         (gen_get_level): Same.
1817         (gen_hsa_alloca): Same.
1818         (omp_simple_builtin::generate): Same.
1819         (gen_hsa_atomic_for_builtin): Same.
1820         (gen_hsa_insns_for_call): Same.
1821         * input.c (dump_location_info): Same.
1822         * ipa-devirt.c (compare_virtual_tables): Same.
1823         * ira.c (ira_setup_eliminable_regset): Same.
1824         * lra-assigns.c (lra_assign): Same.
1825         * lra-constraints.c (lra_constraints): Same.
1826         * lto-streamer-in.c (lto_input_mode_table): Same.
1827         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1828         (merge_and_complain): Same.
1829         (compile_offload_image): Same.
1830         (compile_images_for_offload_targets): Same.
1831         (debug_objcopy): Same.
1832         (run_gcc): Same.
1833         (main): Same.
1834         * opts.c (print_specific_help): Same.
1835         (parse_no_sanitize_attribute): Same.
1836         (print_help): Same.
1837         (handle_param): Same.
1838         * plugin.c (add_new_plugin): Same.
1839         (parse_plugin_arg_opt): Same.
1840         (try_init_one_plugin): Same.
1841         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1842         operators, and types in diagnostics.  Correct quoting and spelling
1843         issues.
1844         * read-rtl-function.c (parse_edge_flag_token): Same.
1845         (function_reader::parse_enum_value): Same.
1846         * reg-stack.c (check_asm_stack_operands): Same.
1847         * regcprop.c (validate_value_data): Same.
1848         * sched-rgn.c (make_pass_sched_fusion): Same.
1849         * stmt.c (check_unique_operand_names): Same.
1850         * targhooks.c (default_target_option_pragma_parse): Same.
1851         * tlink.c (recompile_files): Same.
1852         * toplev.c (process_options): Same.
1853         (do_compile): Same.
1854         * trans-mem.c (diagnose_tm_1): Same.
1855         (ipa_tm_scan_irr_block): Same.
1856         (ipa_tm_diagnose_transaction): Same.
1857         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1858         format a tree code name in a diagnostic.
1859         (verify_types_in_gimple_min_lval): Same.
1860         (verify_types_in_gimple_reference): Same.
1861         (verify_gimple_call): Same.
1862         (verify_gimple_assign_unary): Same.
1863         (verify_gimple_assign_binary): Same.
1864         (verify_gimple_assign_ternary): Same.
1865         (verify_gimple_assign_single): Same.
1866         (verify_gimple_switch): Same.
1867         (verify_gimple_label): Same.
1868         (verify_gimple_phi): Same.
1869         (verify_gimple_in_seq): Same.
1870         (verify_eh_throw_stmt_node): Same.
1871         (collect_subblocks): Same.
1872         (gimple_verify_flow_info): Same.
1873         (do_warn_unused_result): Same.
1874         * tree-inline.c (expand_call_inline): Same.
1875         * tree-into-ssa.c (update_ssa): Same.
1876         * tree.c (tree_int_cst_elt_check_failed): Same.
1877         (tree_vec_elt_check_failed): Same.
1878         (omp_clause_operand_check_failed): Same.
1879         (verify_type_variant): Same.
1880         (verify_type): Same.
1881         * value-prof.c (verify_histograms): Same.
1882         * varasm.c (assemble_start_function): Same.
1883
1884 2019-05-16  Martin Sebor  <msebor@redhat.com>
1885
1886         * config/i386/i386-expand.c (get_element_number): Quote keywords
1887         and other internal names in diagnostics.  Adjust other diagnostic
1888         formatting issues noted by -Wformat-diag.
1889         * config/i386/i386-features.c
1890         (ix86_mangle_function_version_assembler_name): Same.
1891         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1892         * config/i386/i386.c (ix86_function_type_abi): Same.
1893         (ix86_function_ms_hook_prologue): Same.
1894         (classify_argument): Same.
1895         (ix86_expand_prologue): Same.
1896         (ix86_md_asm_adjust): Same.
1897         (ix86_memmodel_check): Same.
1898
1899 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1900
1901         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1902         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1903         and fpxx modes.
1904
1905 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1906
1907         PR target/90497
1908         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1909         intrinsics without SSE/SSE2/SSSE3.
1910         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1911         check.
1912         (*mmx_uavgv8qi3): Likewise.
1913
1914 2019-05-17  Richard Biener  <rguenther@suse.de>
1915
1916         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1917         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1918
1919 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1920
1921         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1922         vec_sldw insn pattern.
1923
1924 2019-05-17  Richard Biener  <rguenther@suse.de>
1925
1926         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1927
1928 2019-05-17  Martin Liska  <mliska@suse.cz>
1929
1930         PR driver/90496
1931         * toplev.c (output_stack_usage): With LTO and sanitizer it
1932         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1933         has no file location.
1934
1935 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1936
1937         PR c++/90484
1938         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1939         sz0 is equal to sz1, instead return false in that case.
1940
1941         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1942         has non-constant expression, force sctx.lane and use two
1943         argument IFN_GOMP_SIMD_LANE instead of single argument.
1944         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1945         two argument IFN_GOMP_SIMD_LANE without lhs.
1946         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1947         member.
1948         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1949         Define.
1950         (LOOP_REQUIRES_VERSIONING): Or in
1951         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1952         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1953         simd_if_cond.
1954         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1955         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1956         from simd if clause if needed.
1957
1958 2019-05-16  Richard Biener  <rguenther@suse.de>
1959
1960         * tree-affine.c (expr_to_aff_combination): New function split
1961         out from...
1962         (tree_to_aff_combination): ... here.
1963         (aff_combination_expand): Avoid building a GENERIC tree.
1964
1965 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1966
1967         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1968         assemble_start_function and assemble_end_function calls.
1969         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1970         assemble_start_function and assemble_end_function.
1971         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1972         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1973         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1974         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1975         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1976         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1977         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1978         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1979         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1980         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1981         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1982         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1983         Likewise.
1984         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1985         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1986         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1987         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1988         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1989         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1990         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1991         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1992         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1993         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1994         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1995         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1996         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1997         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1998         Likewise.
1999         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2000         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2001         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2002
2003 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2004
2005         * tree-ssa-alias.c (alias_stats): Add
2006         aliasing_component_refs_p_may_alias and
2007         aliasing_component_refs_p_no_alias.
2008         (dump_alias_stats): Print aliasing_component_refs_p stats.
2009         (aliasing_component_refs_p): Update stats.
2010
2011 2019-05-16  Martin Liska  <mliska@suse.cz>
2012
2013         PR lto/90500
2014         * multiple_target.c (expand_target_clones): Do not allow
2015         target_clones being used with a symbol that is an alias.
2016
2017 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2018
2019         PR tree-optimization/90394
2020         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2021         positives rather than ICE for cases where (code2 == NE_EXPR
2022         && code1 == BIT_AND_EXPR).
2023
2024 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2025
2026         PR fortran/90329
2027         * tree-core.h (struct tree_decl_common): Document
2028         decl_nonshareable_flag for PARM_DECLs.
2029         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2030         * calls.c (expand_call): Don't try tail call if caller
2031         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2032         passed on the stack and callee needs to pass any arguments on the
2033         stack.
2034         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2035         else if instead of series of mutually exclusive ifs.  Handle
2036         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2037         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2038
2039         * lto-streamer.h (LTO_major_version): Bump to 9.
2040
2041 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2042
2043         PR tree-optimization/90106
2044         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2045         new parameter as new internal function call, also move it to new
2046         basic block.
2047         (use_internal_fn): Pass internal function call to
2048         shrink_wrap_one_built_in_call_with_conds.
2049
2050 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2051
2052         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2053         max_vf to 1.
2054         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2055         safelen_int and set loop->dont_vectorize.
2056
2057 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2058
2059         PR target/89021
2060         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2061         SSE/SSE2/SSSE3.
2062         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2063         Likewise.
2064         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2065         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2066         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2067         is defined.
2068
2069 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2070
2071         PR target/89021
2072         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2073         define_insn_and_split to support SSE emulation.
2074         (*vec_extractv2sf_0): Likewise.
2075         (*vec_extractv2sf_1): Likewise.
2076         (*vec_extractv2si_0): Likewise.
2077         (*vec_extractv2si_1): Likewise.
2078         (*vec_extractv2si_zext_mem): Likewise.
2079         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2080         (vec_extractv2sf_1 splitter): Likewise.
2081         (vec_extractv2sfsf): Likewise.
2082         (vec_setv2si): Likewise.
2083         (vec_extractv2si_1 splitter): Likewise.
2084         (vec_extractv2sisi): Likewise.
2085         (vec_setv4hi): Likewise.
2086         (vec_extractv4hihi): Likewise.
2087         (vec_setv8qi): Likewise.
2088         (vec_extractv8qiqi): Likewise.
2089         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2090         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2091         (vec_extractv2sisi): Likewise.
2092         (vec_extractv4hihi): Likewise.
2093         (vec_extractv8qiqi): Likewise.
2094         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2095         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2096         (vec_initv2sisi): Likewise.
2097         (vec_initv4hihi): Likewise.
2098         (vec_initv8qiqi): Likewise.
2099         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2100         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2101         (vec_setv4hi): Likewise.
2102         (vec_setv8qi): Likewise.
2103
2104 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2105
2106         PR target/89021
2107         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2108         TARGET_MMX_WITH_SSE.
2109         (MMXMODE:*mov<mode>_internal): Likewise.
2110         (MMXMODE:movmisalign<mode>): Likewise.
2111
2112 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2113
2114         PR target/89021
2115         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2116         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2117         (sse2_cvtpd2pi): Ditto.
2118         (sse2_cvttpd2pi): Ditto.
2119         (*vec_concatv2sf_sse4_1): Ditto.
2120         (*vec_concatv2sf_sse): Ditto.
2121         (*vec_concatv2si_sse4_1): Ditto.
2122         (*vec_concatv2si): Ditto.
2123         (*vec_concatv4si_0): Ditto.
2124         (*vec_concatv2di_0): Ditto.
2125
2126 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2127
2128         PR target/89021
2129         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2130
2131 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2132
2133         PR target/89021
2134         * config/i386/sse.md (ssse3_palignrdi): Changed to
2135         define_insn_and_split to support SSE emulation.
2136
2137 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2138
2139         PR target/89021
2140         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2141
2142 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2143
2144         PR target/89021
2145         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2146         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2147         SSE emulation.
2148
2149 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2150
2151         PR target/89021
2152         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2153         or TARGET_MMX_WITH_SSE.
2154         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2155
2156 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2157
2158         PR target/89021
2159         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2160
2161 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2162
2163         PR target/89021
2164         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2165         Changed to define_insn_and_split to support SSE emulation.
2166
2167 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2168
2169         PR target/89021
2170         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2171         Changed to define_insn_and_split to support SSE emulation.
2172
2173 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2174
2175         PR target/89021
2176         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2177         (*mmx_<emms>): This.
2178         (mmx_<emms>): New expander.
2179
2180 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2181
2182         PR target/89021
2183         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2184         support.
2185         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2186
2187 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2188
2189         PR target/89021
2190         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2191
2192 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2193
2194         PR target/89021
2195         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2196
2197 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2198
2199         PR target/89021
2200         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2201         TARGET_MMX_WITH_SSE.
2202         (*mmx_uavgv4hi3): Add SSE emulation.
2203
2204 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2205
2206         PR target/89021
2207         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2208         and TARGET_MMX_WITH_SSE.
2209         (*mmx_uavgv8qi3): Add SSE emulation.
2210
2211 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2212
2213         PR target/89021
2214         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2215         maskmovdqu for __MMX_WITH_SSE__.
2216
2217 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2218
2219         PR target/89021
2220         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2221         TARGET_MMX and TARGET_MMX_WITH_SSE.
2222         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2223
2224 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2225
2226         PR target/89021
2227         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2228         define_insn_and_split to support SSE emulation.
2229
2230 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2231
2232         PR target/89021
2233         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2234         and TARGET_MMX_WITH_SSE.
2235         (mmx_<code>v8qi3): Likewise.
2236         (smaxmin:<code>v4hi3): New.
2237         (umaxmin:<code>v8qi3): Likewise.
2238         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2239         (umaxmin:*mmx_<code>v8qi3): Likewise.
2240
2241 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2242
2243         PR target/89021
2244         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2245         TARGET_MMX_WITH_SSE.
2246         (*mmx_pinsrw): Add SSE emulation.
2247
2248 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2249
2250         PR target/89021
2251         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2252
2253 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2254
2255         PR target/89021
2256         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2257         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2258         SSE emulation.
2259
2260 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2261
2262         PR target/89021
2263         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2264         (sse_cvttps2pi): Likewise.
2265
2266 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2267
2268         PR target/89021
2269         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2270         TARGET_MMX_WITH_SSE.
2271         (mmx_pshufw_1): Add SSE emulation.
2272         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2273         TARGET_MMX_WITH_SSE to support SSE emulation.
2274
2275 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2276
2277         PR target/89021
2278         * config/i386/constraints.md (Yw): New constraint.
2279         * config/i386/mmx.md (*vec_dupv2si): Changed to
2280         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2281         support SSE emulation.
2282
2283 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2284
2285         PR target/89021
2286         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2287         TARGET_MMX_WITH_SSE.
2288         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2289         support.
2290         (mmx_gt<mode>3): Likewise.
2291
2292 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2293
2294         PR target/89021
2295         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2296         TARGET_MMX_WITH_SSE.  Add SSE support.
2297
2298 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2299
2300         PR target/89021
2301         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2302         TARGET_MMX_WITH_SSE.
2303         (any_logic:<code><mode>3): New.
2304         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2305         Add SSE support.
2306
2307 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2308
2309         PR target/89021
2310         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2311         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2312         (mmx_<shift_insn><mode>3): Likewise.
2313         (ashr<mode>3): New.
2314         (<shift_insn><mode>3): Likewise.
2315
2316 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2317
2318         PR target/89021
2319         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2320         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
2321
2322 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2323
2324         PR target/89021
2325         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2326         TARGET_MMX_WITH_SSE.
2327         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2328         SSE support.
2329
2330 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2331
2332         PR target/89021
2333         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2334         TARGET_MMX_WITH_SSE.
2335         (mulv4hi3): New.
2336         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2337         support.
2338
2339 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2340
2341         PR target/89021
2342         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2343         (plusminus:mmx_<plusminus_insn><mode>3): Check
2344         TARGET_MMX_WITH_SSE.
2345         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2346         (<plusminus_insn><mode>3): New.
2347         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2348         (*mmx_<plusminus_insn><mode>3): Likewise.
2349
2350 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2351
2352         PR target/89021
2353         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2354         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2355         prototype.
2356         * config/i386/mmx.m (mmx_punpckhbw): Changed to
2357         define_insn_and_split to support SSE emulation.
2358         (mmx_punpcklbw): Likewise.
2359         (mmx_punpckhwd): Likewise.
2360         (mmx_punpcklwd): Likewise.
2361         (mmx_punpckhdq): Likewise.
2362         (mmx_punpckldq): Likewise.
2363
2364 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2365             Uros Bizjak  <ubizjak@gmail.com>
2366
2367         PR target/89021
2368         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2369         New function.
2370         (ix86_split_mmx_pack): Likewise.
2371         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2372         New prototype.
2373         (ix86_split_mmx_pack): Likewise.
2374         * config/i386/i386.md (mmx_isa): New.
2375         (enabled): Also check mmx_isa.
2376         * config/i386/mmx.md (any_s_truncate): New code iterator.
2377         (s_trunsuffix): New code attr.
2378         (mmx_packsswb): Removed.
2379         (mmx_packssdw): Likewise.
2380         (mmx_packuswb): Likewise.
2381         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2382         MMX packsswb/packuswb with SSE2.
2383         (mmx_packssdw): Likewise.
2384         * config/i386/predicates.md (register_mmxmem_operand): New.
2385
2386 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2387
2388         PR target/89021
2389         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2390         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2391         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2392         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2393         (ix86_vector_mode_supported_p): Likewise.
2394         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2395
2396 2019-05-15  Martin Liska  <mliska@suse.cz>
2397
2398         PR middle-end/90478
2399         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2400         Check for overflow.
2401
2402 2019-05-15  Richard Biener  <rguenther@suse.de>
2403
2404         * tree-into-ssa.c (pass_build_ssa::execute): Run
2405         update_address_taken before going into SSA.
2406
2407 2019-05-15  Richard Biener  <rguenther@suse.de>
2408
2409         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2410         as __BIT_FIELD_REF with type with -gimple.
2411
2412 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2413
2414         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2415         semantically equivalent branches (left over after prior refactorings).
2416
2417 2019-05-15  Richard Biener  <rguenther@suse.de>
2418
2419         PR tree-optimization/88828
2420         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2421         bogus check.
2422
2423 2019-05-14  Richard Biener  <rguenther@suse.de>
2424
2425         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2426         as __VIEW_CONVERT with -gimple.
2427
2428 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2429
2430         PR target/82920
2431         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2432         Darwin.
2433
2434 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2435
2436         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2437         define_split to become a define_insn_and_split.
2438
2439 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2440
2441         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2442         arguments.
2443         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2444         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2445         (sibcall_epilogue): Adjust.
2446         (epilogue): Adjust.
2447
2448 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2449
2450         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2451         to unsupported ones.
2452         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2453         * config.host: Likewise.
2454         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2455         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2456         __svr4__]: Remove "brand" fallback.
2457         [!KSTAT_DATA_STRING]: Remove.
2458         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2459         to *-*-solaris2*.
2460         (comdat_group): Likewise.
2461         (set_have_as_tls): Likewise.
2462         (gcc_cv_target_dl_iterate_phdr): Likewise.
2463         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2464         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2465         * configure: Regenerate.
2466         * doc/install.texi: Simplify Solaris target triplets.
2467         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2468         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2469         Remove Solaris 10 references.
2470         Remove obsolete Solaris bug reference.
2471         (Specific, sparc-sun-solaris2.10): Remove.
2472
2473 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2474
2475         * config/i386/i386.md (any_div): New code iterator.
2476         (paired_mod): New code attribute.
2477         (sgnprefix): Handle DIV and UDIV RTXes.
2478         (u): Ditto.
2479         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2480         and udivmod<mode>4 patterns using any_div code iterator.
2481         (divmod splitters): Macroize splitters using any_div code iterator.
2482         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2483         (*udivmodsi4_pow2_zext_2): Ditto.
2484         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2485         and *udivmod<mode>4_noext patterns using any_div code iterator.
2486         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2487         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2488         patterns using any_div code iterator.
2489         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2490         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2491         patterns using any_div code iterator.
2492         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2493         udivmodhiqi3 patterns using any_extend code iterator.
2494
2495 2019-05-14  Richard Biener  <rguenther@suse.de>
2496             H.J. Lu  <hongjiu.lu@intel.com>
2497
2498         PR tree-optimization/88828
2499         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2500         permuting in a single non-constant element not extracted
2501         from a vector.
2502
2503 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2504
2505         * internal-fn.def (SIGNBIT): New.
2506         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2507         defined.
2508         (signbitv4sf2): Likewise.
2509
2510 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2511
2512         PR target/90357
2513         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2514         next insn when the SRC reg is dead.
2515
2516 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2517
2518         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2519         (alloc_cand_and_find_basis): Ditto.
2520         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2521         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2522         (create_add_imm_cand, slsr_process_cast): Ditto.
2523         (slsr_process_copy, replace_mult_candidate): Ditto.
2524         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2525         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2526         (pass_strength_reduction::execute): Init the first NULL element.
2527
2528 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2529
2530         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2531         (run_attempt): Reformat line break.
2532
2533 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2534
2535         PR target/90418
2536         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2537         data registers in sibcall epilogues.
2538         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2539
2540 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2541
2542         PR target/89221
2543         * configure.ac (--enable-frame-pointer):
2544         Disable by default for cygwin and mingw.
2545         * configure: Regenerate.
2546
2547 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2548
2549         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2550         piece of code.
2551         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2552         (gen_member_die): Move abstract origin check earlier.  Only VARs
2553         can be static_inline_p.  Simplify splicing control flow.
2554
2555 2019-05-13  Richard Biener  <rguenther@suse.de>
2556
2557         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2558         VIEW_CONVERT_EXPR.
2559         (vect_build_slp_tree_1): Likewise.
2560
2561 2019-05-13  Richard Biener  <rguenther@suse.de>
2562
2563         PR tree-optimization/90402
2564         * tree-if-conv.c (tree_if_conversion): Value number only
2565         the loop body by making the latch an exit of the region
2566         as well.
2567         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2568         processing PHIs.
2569         (do_rpo_vn): Deal with multiple edges into the entry block
2570         that are not backedges inside the region by skipping PHIs
2571         of the entry block.
2572
2573 2019-05-13  Richard Biener  <rguenther@suse.de>
2574
2575         PR tree-optimization/90316
2576         * tree-ssa-pre.c (insert_aux): Fold into ...
2577         (insert): ... this function.  Use a RPO walk to reduce the
2578         number of required iterations.
2579
2580 2019-05-13  Martin Liska  <mliska@suse.cz>
2581
2582         PR tree-optimization/90416
2583         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2584         string instead of passing the second part as va_arg argument.
2585
2586 2019-05-13  Martin Liska  <mliska@suse.cz>
2587
2588         PR gcov-profile/90380
2589         * gcov.c (handle_cycle): Do not support zero cycle count,
2590         it should not be possible.
2591         (path_contains_zero_cycle_arc): New function.
2592         (circuit): Ignore zero cycle arc counts.
2593
2594 2019-05-13  Martin Liska  <mliska@suse.cz>
2595
2596         PR gcov-profile/90380
2597         * gcov.c (enum loop_type): Remove the enum and
2598         the operator.
2599         (handle_cycle): Assert that we should not reach
2600         a negative count.
2601         (circuit): Use loop_found instead of a tri-state loop_type.
2602         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2603         happen.
2604
2605 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2606
2607         PR target/82920
2608         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2609         (ix86_output_indirect_branch_via_reg): Use output mechanism
2610         accounting for __USER_LABEL_PREFIX__.
2611         (ix86_output_indirect_branch_via_push): Likewise.
2612         (ix86_output_function_return): Likewise.
2613         (ix86_output_indirect_function_return): Likewise.
2614
2615 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2616
2617         * doc/md.texi: Document use of code attributes in rtx patterns.
2618         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2619         * read-rtl.c (find_code): Split out search loops into...
2620         (maybe_find_code): ...this new function.
2621         (check_code_iterator): Make the error message more informative.
2622         (check_code_attribute): New function.
2623         (rtx_reader::rtx_alloc_for_name): Likewise.
2624         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2625         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2626         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2627         <max_opp> directly as an rtx code instead of via a match_operator.
2628         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2629         (<su>abd<mode>_3): Update accordingly.
2630
2631 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2632
2633         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2634         is given, print the state of the EH "save world" computation for
2635         Darwin.
2636
2637 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2638
2639         PR c++/59813
2640         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2641         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2642
2643 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2644
2645         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2646         Use pinsrd for TARGET_SSE4_1.
2647         * config/i386/sse.md (movdi_to_sse): Ditto.
2648
2649 2019-05-10  Richard Biener  <rguenther@suse.de>
2650
2651         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2652         (do_rpo_vn): Initialize next_value_id.
2653
2654 2019-05-10  Martin Liska  <mliska@suse.cz>
2655
2656         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2657         Fix plural form.
2658
2659 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2660
2661         PR tree-optimization/90385
2662         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2663         arguments of the exit phis.
2664
2665         PR c++/90383
2666         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2667         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2668         id->do_not_fold.
2669         (copy_tree_body_r): Likewise.
2670         (copy_fn): Set id.do_not_fold to true.
2671
2672 2019-05-10  Martin Liska  <mliska@suse.cz>
2673
2674         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2675         Reapply changes from r269790.
2676
2677 2019-05-10  Martin Liska  <mliska@suse.cz>
2678
2679         PR middle-end/90340
2680         * doc/invoke.texi: New params.
2681         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2682         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2683         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2684         Use it.
2685         * tree-switch-conversion.h (struct jump_table_cluster):
2686         Likewise.
2687
2688 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2689
2690         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2691
2692 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2693
2694         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2695
2696 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2697
2698         PR rtl-optimization/88879
2699         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2700
2701 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2702
2703         PR target/90405
2704         * config/arm/arm.c (callee_saved_reg_p): Move before
2705         thumb_find_work_register.
2706         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2707         thumb_find_work_register.  Only call df_get_live_out once.
2708         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2709         (thumb_find_work_register): Use
2710         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2711         algorithms to locate a spare call clobbered reg.
2712
2713 2019-05-09  Martin Liska  <mliska@suse.cz>
2714
2715         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2716         and MAX_EXPR in GIMPLE FE format.
2717
2718 2019-05-09  Martin Liska  <mliska@suse.cz>
2719
2720         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2721         * gimple-pretty-print.c (dump_gimple_bb_header):
2722         Dump BB count.
2723         (pp_cfg_jump): Dump edge probability.
2724         * profile-count.c (profile_quality_as_string): Simplify
2725         with a static array.
2726         (parse_profile_quality): New function.
2727         (profile_count::dump): Simplify with a static array.
2728         (profile_count::from_gcov_type): Add new argument.
2729         * profile-count.h (parse_profile_quality): Likewise.
2730         * predict.h (set_hot_bb_threshold): New.
2731         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2732         New param.
2733         * predict.c (get_hot_bb_threshold): Set from the new param.
2734         (set_hot_bb_threshold): New.
2735
2736 2019-05-09  Richard Biener  <rguenther@suse.de>
2737
2738         PR tree-optimization/90395
2739         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2740         rewrite vector stores that throw internally.
2741
2742 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2743
2744         * cif-code.def (CHKP): Remove.
2745
2746         PR target/89221
2747         * configure.ac (--enable-frame-pointer): Disable by default for
2748         GNU systems.
2749         * configure: Regenerate.
2750
2751 2019-05-09  Alan Modra  <amodra@gmail.com>
2752
2753         PR target/89271
2754         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2755         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2756         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2757         cost for general <-> vsx when direct moves are available.
2758         Cost union classes at minimal cost for any reg in the class.
2759         Correct calculation for moves between vsx, float, and altivec.
2760         Don't return a low cost for moves between special regs.  Don't
2761         use hard coded register numbers.
2762         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2763         (rs6000_ira_change_pseudo_allocno_class): New function.
2764         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2765         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2766         alternatives.
2767         (movsi_internal1): Don't disparage vector alternatives.
2768         (mov<mode>_internal): Likewise, excepting alternative that
2769         will be split.
2770         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2771         we <- b alternative.
2772
2773 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2774
2775         PR c++/59813
2776         PR tree-optimization/89060
2777         * tree-ssa-live.h (live_vars_map): New typedef.
2778         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2779         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2780         (struct compute_live_vars_data): New type.
2781         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2782         live_vars_at_stmt, destroy_live_vars): New functions.
2783         * tree-tailcall.c: Include tree-ssa-live.h.
2784         (live_vars, live_vars_vec): New global variables.
2785         (find_tail_calls): Perform variable life analysis before punting.
2786         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2787         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2788         member.
2789         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2790         Perform variable life analysis to select variables that really need
2791         clobbers added.
2792         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2793         instead set id->eh_landing_pad_dest and assert it is the same.
2794         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2795
2796 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2797             Richard Earnshaw  <rearnsha@arm.com>
2798
2799         PR target/88167
2800         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2801         function.
2802         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2803         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2804         register if both the epilogue and prologue can use call-clobbered
2805         regs.
2806         (thumb1_unexpanded_epilogue): Use
2807         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2808         picking temporaries for restoring high regs to match that of the
2809         prologue where possible.
2810         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2811         the list of work registers.  Detect if the return address is still live
2812         at the end of the prologue and avoid using it for a work register if so.
2813         If the return address is not live, add LR to the list of pushable regs
2814         after the first pass.
2815
2816 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2817
2818         PR tree-optimization/90078
2819         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2820         (INFTY): Increase the value for infinite cost.
2821         (struct comp_cost): Promote type of members to int64_t.
2822         (infinite_cost): Don't set complexity in initialization.
2823         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2824         overflows to infinite_cost.
2825         (adjust_setup_cost): Promote type of parameter and cost computation
2826         to int64_t.
2827         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2828         int64_t.
2829         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2830         cost computation to int64_t.
2831         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2832         int64_t's format specifier in dump.
2833
2834 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2835
2836         PR tree-optimization/90240
2837         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2838         with respect to scaling factor pre-computed for each basic block.
2839         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2840         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2841         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2842         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2843         live range for array of loop's basic blocks.  Cleanup aux field of
2844         loop's basic blocks.
2845
2846 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2847
2848         PR tree-optimization/90356
2849         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2850
2851 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2852
2853         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2854         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2855         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2856         (ix86_handle_option): Handle -mavx512bf16.
2857         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2858         to extra_headers.
2859         * config/i386/avx512bf16vlintrin.h: New.
2860         * config/i386/avx512bf16intrin.h: New.
2861         * config/i386/cpuid.h (bit_AVX512BF16): New.
2862         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2863         * config/i386/i386-builtin-types.def: Add new types.
2864         * config/i386/i386-builtin.def: Add new builtins.
2865         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2866         __AVX512BF16__.
2867         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2868         (ix86_option_override_internal): Handle BF16.
2869         (ix86_valid_target_attribute_inner_p): Ditto.
2870         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2871         * config/i386/i386-builtin.c (enum processor_features): Add
2872         F_AVX512BF16.
2873         (static const _isa_names_table isa_names_table): Ditto.
2874         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2875         (PTA_AVX512BF16): Ditto.
2876         * config/i386/i386.opt: Add -mavx512bf16.
2877         * config/i386/immintrin.h: Include avx512bf16intrin.h
2878         and avx512bf16vlintrin.h.
2879         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2880         avx512f_cvtneps2bf16_<mode><mask_name>,
2881         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2882         * config/i386/subst.md (mask_half): Add new subst.
2883         * doc/invoke.texi: Document -mavx512bf16.
2884
2885 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2886
2887         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2888         Delete declaration.
2889         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2890         (rs6000_debug_legitimize_reload_address): Delete.
2891         (rs6000_legitimize_reload_address_ptr): Delete.
2892         (rs6000_option_override_internal): Adjust.
2893         (mem_operand_gpr): Adjust comment.
2894         (legitimate_lo_sum_address_p): Ditto.
2895         (rs6000_legitimize_reload_address): Delete.
2896         (rs6000_debug_legitimize_reload_address): Delete.
2897         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2898
2899 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2900
2901         PR target/89765
2902         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2903         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2904         to compute vector element selector for both constant and variable
2905         operands.
2906
2907 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2908
2909         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2910         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2911         ashrdi3_cvt using SWI48 mode iterator.
2912
2913 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2914
2915         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2916         (aarch64_<su>abd<mode>_3): Likewise.
2917         (*aarch64_<su>abd<mode>_3): New define_insn.
2918         (<sur>sad<vsi2qi>): New define_expand.
2919         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2920         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2921         (build_vect_cond_expr): Likewise.
2922
2923 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2924
2925         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2926         clobbers outside of accessible_reg_set.
2927         * config/i386/i386.c (ix86_conditional_register_usage):
2928         Disable register sets by clearing corresponding bits in
2929         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2930         call_used_regs and don't clear corresponding reg_names array members.
2931
2932 2019-05-07  Richard Biener  <rguenther@suse.de>
2933
2934         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2935         not specified still compute a comp_vectype for invariant
2936         compares.
2937
2938 2019-05-07  Richard Biener  <rguenther@suse.de>
2939
2940         PR tree-optimization/90316
2941         * tree-ssa-pre.c (translate_vuse_through_block): When
2942         same_valid is NULL do not bother to search for a virtual
2943         PHI continuation.
2944         (phi_translate_1): When operands changed we cannot keep
2945         the same value-number so do not bother to ask whether
2946         that's possible from translate_vuse_through_block.
2947
2948 2019-05-07  Martin Liska  <mliska@suse.cz>
2949
2950         * bitmap.c (bitmap_register): Come up with
2951         alloc_descriptor_max_uid and assign it for
2952         a new bitmap.
2953         (register_overhead): Use get_descriptor as
2954         a descriptor.
2955         (release_overhead): New.
2956         (bitmap_elem_to_freelist): Call it.
2957         (bitmap_elt_clear_from): Likewise.
2958         (bitmap_obstack_free): Likewise.
2959         (bitmap_move): Sensitively release memory.
2960         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2961         (bitmap_initialize): Initialize alloc_descriptor to zero.
2962         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2963
2964 2019-05-07  Richard Biener  <rguenther@suse.de>
2965
2966         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2967         we build a SLP node.  Remove max_size and limiting.
2968         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2969
2970 2019-05-07  Richard Biener  <rguenther@suse.de>
2971
2972         PR tree-optimization/90316
2973         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2974         limit by reference.
2975         (walk_non_aliased_vuses): Take walking limit argument.
2976         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2977         walking if it is reached instead of just counting.
2978         (get_continuation_for_phi): Likewise.
2979         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2980         limiting to the callback.
2981         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2982         (vn_reference_lookup_3): Likewise.
2983         (vn_reference_lookup_pieces): Likewise.
2984         (vn_reference_lookup): Likewise.
2985         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2986         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2987         (avail_exprs_stack::lookup_avail_expr): Likewise.
2988
2989 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2990
2991         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2992         for comparaible types in the second direction even if first one
2993         hits incomparable type.
2994
2995 2019-05-07  Richard Biener  <rguenther@suse.de>
2996
2997         PR lto/90369
2998         * lto-wrapper.c (debug_objcopy): Use the original filename
2999         including archive offset for the filename used for -save-temps.
3000
3001 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3002
3003         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3004         detection.
3005
3006 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3007             Hongtao Liu  <hongtao.liu@intel.com>
3008
3009         PR target/89750
3010         PR target/86444
3011         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3012         Modified, original implementation isn't correct.
3013
3014 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3015
3016         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3017         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3018         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3019         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3020         (FRAME_POINTER_REGNUM): Change numbering.
3021         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3022         (alt_reg_names): Adjust.
3023         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3024         fixed.
3025         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3026         (DWARF_FRAME_REGISTERS): Delete.
3027         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3028         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3029         Adjust.
3030         (REG_ALLOC_ORDER): Adjust.
3031         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3032         (REG_CLASS_CONTENTS): Adjust.
3033         (RETURN_ADDR_RTX): Change comment.
3034         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3035         instead of 67.
3036         (REGISTER_NAMES): Adjust.
3037         (ADDITIONAL_REGISTER_NAMES): Adjust.
3038         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3039
3040 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3041
3042         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3043         Delete.
3044         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3045         (DWARF_FRAME_REGISTERS): Adjust.
3046         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3047         Adjust.
3048         (REG_ALLOC_ORDER): Adjust.
3049         (enum reg_class): Delete SPR_REGS.
3050         (REG_CLASS_NAMES): Delete SPR_REGS.
3051         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3052         (REGISTER_NAMES): Adjust.
3053         (ADDITIONAL_REGISTER_NAMES): Adjust.
3054         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3055         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3056         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3057         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3058         (htm_spr_regno): Delete.
3059         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3060         argument.
3061         (rs6000_dbx_register_number): Adjust.
3062
3063 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3064
3065         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3066
3067 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3068
3069         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3070         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3071
3072 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3073
3074         PR tree-optimization/88709
3075         PR tree-optimization/90271
3076         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3077         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3078         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3079         variable.
3080         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3081         of the store merging group is larger than
3082         PARAM_STORE_MERGING_MAX_SIZE parameter.
3083         (split_group): Add bzero_first argument.  If set, always emit first
3084         the first store which must be = {} of the whole area and then for the
3085         rest of the stores consider all zero bytes as paddings.
3086         (imm_store_chain_info::output_merged_store): Check if first store
3087         is = {} of the whole area and if yes, determine which setting of
3088         bzero_first for split_group gives smaller number of stores.  Adjust
3089         split_group callers.
3090         (lhs_valid_for_store_merging_p): Allow decls.
3091         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3092         no elts.
3093         (pass_store_merging::process_store): Likewise.
3094
3095 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3096
3097         PR target/89424
3098         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3099         handling of V1TImode.
3100
3101 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3102
3103         PR target/89221
3104         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3105         and enable_frame_pointer ...
3106         * configure.ac: ... here.  Update help strings for
3107         --enable-frame-pointer.
3108         * configure: Regenerate.
3109         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3110         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3111         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3112         (USE_X86_64_FRAME_POINTER): Ditto.
3113
3114 2019-05-06  Martin Liska  <mliska@suse.cz>
3115
3116         * config.gcc: Append to target_gtfiles and fix indentation.
3117
3118 2019-05-06  Richard Biener  <rguenther@suse.de>
3119
3120         PR tree-optimization/90358
3121         * tree-vect-stmts.c (get_group_load_store_type): Properly
3122         detect unused upper half of load.
3123         (vectorizable_load): Likewise.
3124
3125 2019-05-06  Richard Biener  <rguenther@suse.de>
3126
3127         PR tree-optimization/88828
3128         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3129         (simplify_vector_constructor): ...here.  Handle constants in
3130         the constructor.
3131
3132 2019-05-06  Richard Biener  <rguenther@suse.de>
3133
3134         PR tree-optimization/90328
3135         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3136         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3137         is valid in the loop nest before using it.
3138         (initialize_data_dependence_relation): Adjust.
3139         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3140         loop as loop-nest to dr_may_alias_p.
3141
3142 2019-05-06  Richard Biener  <rguenther@suse.de>
3143
3144         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3145
3146 2019-05-06  Richard Biener  <rguenther@suse.de>
3147
3148         PR tree-optimization/90316
3149         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3150         compute target on demand.
3151         (get_continuation_for_phi): Remove code walking stmts to
3152         get to a target virtual operand which could end up being
3153         quadratic.
3154
3155 2019-05-06  Martin Liska  <mliska@suse.cz>
3156
3157         PR sanitizer/90312
3158         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3159         when -mabi is selected to a non-default version.
3160
3161 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3162             Martin Liska  <mliska@suse.cz>
3163
3164         * Makefile.in: Add lto-dump.texi.
3165         * cgraph.h: Add new functions get_visibility_string and
3166         get_symtab_type_string.
3167         * doc/gcc.texi: Include lto-dump section.
3168         * doc/lto-dump.texi: New file.
3169         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3170         (parse_dump_option): Factor out this function.
3171         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3172         (parse_dump_option): Export the function.
3173         * symtab.c (symtab_node::get_visibility_string): New function.
3174         (symtab_node::get_symtab_type_string): Likewise.
3175
3176 2019-05-06  Martin Liska  <mliska@suse.cz>
3177
3178         * config/i386/i386-builtins.c: New file.
3179         * config/i386/i386-builtins.h: New file.
3180         * config/i386/i386-expand.c: New file.
3181         * config/i386/i386-expand.h: New file.
3182         * config/i386/i386-features.c: New file.
3183         * config/i386/i386-features.h: New file.
3184         * config/i386/i386-options.c: New file.
3185         * config/i386/i386-options.h: New file.
3186         * config.gcc: Add new files into extra_objs and
3187         target_gtfiles.
3188         * config/i386/i386.c: Split content of the file
3189         into newly introduced files.
3190         * config/i386/i386.h: Declare common variables
3191         and macros.
3192         * config/i386/t-i386: Define dependencies for new files.
3193
3194 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3195
3196         PR target/89400
3197         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3198         Restrict 'all' variant to 32-bit configurations.
3199         (unaligned_loadhiu): Likewise.
3200         (unaligned_storehi): Likewise.
3201         (unaligned_storesi): Likewise.
3202         (unaligned_loadhis): Disable when compiling for thumb1.
3203
3204 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3205
3206         PR tree-optimization/90269
3207         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3208         Ignore clobbers.
3209
3210 2019-05-03  Martin Liska  <mliska@suse.cz>
3211
3212         * hash-map.h: Add is_empty function.
3213         * hash-set.h: Likewise.
3214         * hash-table.h: Likewise.
3215         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3216         elements () == 0 (and similar usages).
3217         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3218         * gimplify.c (gimplify_bind_expr): Likewise.
3219         (gimplify_switch_expr): Likewise.
3220         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3221         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3222         * postreload-gcse.c (dump_hash_table): Likewise.
3223         (gcse_after_reload_main): Likewise.
3224         * predict.c (combine_predictions_for_bb): Likewise.
3225         * tree-parloops.c (reduction_phi): Likewise.
3226         (separate_decls_in_region): Likewise.
3227         (transform_to_exit_first_loop): Likewise.
3228         (gen_parallel_loop): Likewise.
3229         (gather_scalar_reductions): Likewise.
3230         (try_create_reduction_list): Likewise.
3231         * var-tracking.c (dump_vars): Likewise.
3232         (emit_notes_for_changes): Likewise.
3233         (vt_emit_notes): Likewise.
3234
3235 2019-05-03  Richard Biener  <rguenther@suse.de>
3236
3237         PR tree-optimization/90316
3238         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3239         before running VN.
3240
3241 2019-05-03  Richard Biener  <rguenther@suse.de>
3242
3243         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3244         peeling for gaps by loading only lower halves of vectors
3245         if possible.
3246         (vectorizable_load): Likewise.
3247
3248 2019-05-03  Richard Biener  <rguenther@suse.de>
3249
3250         PR middle-end/89518
3251         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3252
3253 2019-05-03  Richard Biener  <rguenther@suse.de>
3254
3255         PR middle-end/87314
3256         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3257         Handle STRING_CST vs DECL or STRING_CST.
3258
3259 2019-05-03  Richard Biener  <rguenther@suse.de>
3260
3261         PR tree-optimization/88963
3262         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3263         vector loads feeding only BIT_FIELD_REFs to component
3264         loads.  Rewrite stores fed by CONSTRUCTORs to component
3265         stores.
3266
3267 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3268
3269         * opts.h (finish_options): Remove lang_mask argument.
3270         (print_help, help_option_argument): Declare.
3271         * opts.c (print_help): Remove forward declaration, no longer static.
3272         (finish_options): Remove lang_mask argument, don't call print_help
3273         here.
3274         * opts-global.c (decode_options): Adjust finish_option caller, call
3275         print_help here.
3276
3277         PR tree-optimization/90303
3278         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3279         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3280
3281 2019-05-03  Richard Biener  <rguenther@suse.de>
3282
3283         PR tree-optimization/89698
3284         * gimple-fold.c (canonicalize_constructor_val): Early out
3285         for constants, handle unfolded INTEGER_CSTs as they appear in
3286         C++ virtual table ctors.
3287
3288 2019-05-03  Richard Biener  <rguenther@suse.de>
3289
3290         * passes.c (execute_function_todo): Remove dead code.
3291
3292 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3293
3294         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3295         the internal register number, for any "real" register.
3296
3297 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3298
3299         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3300         correct numbers for TFHAR, TFIAR, TEXASR.
3301
3302 2019-05-02  Richard Biener  <rguenther@suse.de>
3303
3304         PR tree-optimization/89653
3305         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3306         update-address-taken before the pass.
3307         * passes.def (pass_tree_loop_init): Put comment before it.
3308
3309 2019-05-02  Richard Biener  <rguenther@suse.de>
3310
3311         PR tree-optimization/89509
3312         * tree-ssa-structalias.c (compute_dependence_clique): Look
3313         at the first subvar when determining whether it is restrict.
3314
3315 2019-05-02  Richard Biener  <rguenther@suse.de>
3316
3317         PR tree-optimization/90273
3318         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3319         useless debug stmts.
3320
3321 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3322
3323         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3324         ACLE branch.
3325         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3326         SVE ACLE branch.
3327         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3328         VEC_COND_EXPR be inserted to emulate a conditional internal function.
3329         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3330         (vectorizable_reduction): Use the functions above to vectorize in a
3331         fully masked loop codes that don't have a conditional internal
3332         function.
3333
3334 2019-05-02  Martin Liska  <mliska@suse.cz>
3335
3336         * cgraphclones.c: Call valid_attribute_p with 1 for
3337         target_clone.
3338         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3339         it's for target attribute.
3340         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3341         Add new boolean argument.
3342         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3343         Likewise.
3344         (ix86_valid_target_attribute_tree): Pass target_clone_attr
3345         to ix86_valid_target_attribute_inner_p.
3346         (ix86_valid_target_attribute_p): Pass flags argument to
3347         ix86_valid_target_attribute_inner_p.
3348         (get_builtin_code_for_version): Use 0 as it's target attribute.
3349
3350 2019-05-02  Martin Liska  <mliska@suse.cz>
3351
3352         * gcc.c (process_command): Add dummy file only
3353         if n_infiles == 0.
3354         * opts-global.c (decode_options): Pass lang_mask.
3355         * opts.c (print_help): New function.
3356         (finish_options): Print --help if help_option_argument
3357         is set.
3358         (common_handle_option): Factor out content of OPT__help_
3359         into print_help.
3360         * opts.h (finish_options): Add new argument.
3361
3362 2019-05-02  Martin Liska  <mliska@suse.cz>
3363
3364         PR target/88809
3365         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3366         With -minline-all-stringops use inline expansion using 4B loop.
3367         * doc/invoke.texi: Document the change of
3368         -minline-all-stringops.
3369
3370 2019-05-01  Jeff Law  <law@redhat.com>
3371
3372         PR tree-optimization/88797
3373         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3374         PHI feeds a conditional on the RHS of an assignment.
3375
3376 2019-04-30  Andrew Waterman  <andrew@sifive.com>
3377             Jim Wilson  <jimw@sifive.com>
3378
3379         * config/riscv/constraints.md (L): New.
3380         * config/riscv/predicates.md (lui_operand): New.
3381         (sfb_alu_operand): New.
3382         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3383         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3384         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3385         * config/riscv/risc.md (type): Add sfb_alu.
3386         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
3387         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
3388         (branch_zero<mode>): Delete.
3389         (mov<mode>cc): New.
3390         (mov<GPR:mode><X:mode>cc): Likewise.
3391         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
3392
3393 2019-04-30  Nathan Sidwell  <nathan@acm.org>
3394
3395         * tree.h (MARK_TS_EXP): New.
3396
3397 2019-04-30  Martin Liska  <mliska@suse.cz>
3398
3399         * opts.c (enable_warning_as_error): Provide hints
3400         for unknown options.
3401
3402 2019-04-30  Martin Liska  <mliska@suse.cz>
3403
3404         PR debug/90288
3405         * doc/invoke.texi: Add missing dash for gas-locview-support
3406         and gno-as-locview-support.
3407
3408 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3409
3410         PR target/89093
3411         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3412         whitespace at the start of target attribute string.
3413
3414 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3415
3416         PR target/86538
3417         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3418         Define __ARM_FEATURE_ATOMICS.
3419
3420 2019-04-30  Martin Liska  <mliska@suse.cz>
3421
3422         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3423         into built_in_function enum. Remove code for endp == 2 and
3424         use BUILT_IN_* constants.
3425         (gimple_fold_builtin): Call the function with fcode.
3426
3427 2019-04-30  Martin Liska  <mliska@suse.cz>
3428
3429         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3430         DECL_FUNCTION_CODE into ix86_builtins enum before
3431         the switch statement.
3432
3433 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3434
3435         PR tree-optimization/89475
3436         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3437         calls.
3438
3439 2019-04-30  Martin Liska  <mliska@suse.cz>
3440
3441         PR translation/90274
3442         * opts.c (print_filtered_help): Wrap string in _(...).
3443
3444 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3445
3446         PR tree-optimization/90240
3447         Revert:
3448         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3449
3450         PR tree-optimization/90078
3451         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3452         checks for infinite_cost overflow.
3453
3454 2019-04-29  Jeff Law  <law@redhat.com>
3455
3456         * passes.def: Move -Wrestrict pass after copy propagation.
3457
3458 2019-04-29  Maya Rashish  <coypu@sdf.org>
3459
3460         * config.gcc (default_gnu_indirect_function): Default to yes
3461         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3462         sparc*-*-netbsd*, x86_64-*-netbsd*.
3463
3464 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3465
3466         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3467         where cond2 is NE_EXPR.
3468         (is_value_included_in): Update comment.
3469
3470 2019-04-29  Richard Biener  <rguenther@suse.de>
3471
3472         PR tree-optimization/90278
3473         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3474         EH on comparison simplification.
3475
3476 2019-04-29  Jason Merrill  <jason@redhat.com>
3477
3478         PR c++/82081 - tail call optimization breaks noexcept
3479         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3480         nothrow function to a might-throw function into a tail call.
3481
3482 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3483
3484         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3485         (DDR_INNER_LOOP): Likewise.
3486         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3487         (initialize_data_dependence_relation): Likewise.
3488         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3489
3490 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3491
3492         PR rtl-optimization/90257
3493         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3494         return value.
3495
3496         Revert the revert:
3497         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3498
3499         PR target/90178
3500         Revert:
3501         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3502
3503         Revert the revert:
3504         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3505
3506         Revert:
3507         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3508
3509         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3510
3511 2019-04-29  Richard Biener  <rguenther@suse.de>
3512
3513         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3514         rhs issue a reset.
3515
3516 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3517
3518         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3519         varasm.h, and netbsd-protos.h.
3520
3521 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3522
3523         PR target/89261
3524         * config/i386/i386-protos.h (ix86_data_alignment): Change
3525         the second argument type to unsigned int.
3526         * config/i386/i386.c (ix86_data_alignment): Change "align"
3527         argument type to unsigned int.
3528
3529 2019-04-27  Martin Liska  <mliska@suse.cz>
3530
3531         PR middle-end/90258
3532         * opt-suggestions.c (option_proposer::build_option_suggestions):
3533         When get_valid_option_values returns empty values, add the
3534         misspelling candidate.
3535
3536 2019-04-26  Jim Wilson  <jimw@sifive.com>
3537
3538         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3539         parameter.
3540         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3541         Pass orig_mode to riscv_build_integer.
3542         (riscv_split_integer): Pass mode to riscv_move_integer.
3543         (riscv_legitimize_const_move): Likewise.
3544         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3545         promoted_mode.  Replace force_reg call with code to load constant into
3546         promoted reg and then subreg it for the store.
3547         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3548         riscv_move_integer.
3549
3550 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3551
3552         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3553         corrupt codes.
3554
3555 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3556
3557         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3558         commentary about the encoding of precision.
3559
3560 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3561
3562         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3563         * config/i386/t-freebsd64: New file.
3564         * config.gcc: Add the t-freebsd64 for multilib support.
3565
3566 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3567
3568         * doc/extend.texi (vector_size): Add missing comma after @xref.
3569
3570 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3571
3572         * BASE-VER: Set to 10.0.0.
3573
3574 2019-04-25  Richard Biener  <rguenther@suse.de>
3575
3576         PR middle-end/89765
3577         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3578         VIEW_CONVERT_EXPR into one operating on an rvalue.
3579
3580 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3581
3582         PR target/89929
3583         * config/i386/i386.c (feature_priority): Moved to file scope.
3584         (processor_features): Likewise.
3585         (processor_model): Likewise.
3586         (_arch_names_table): Likewise.
3587         (arch_names_table): Likewise.
3588         (_feature_list): Removed.
3589         (feature_list): Likewise.
3590         (_isa_names_table): Moved to file scope.  Add priority.
3591         (isa_names_table): Likewise.
3592         (get_builtin_code_for_version): Replace feature_list with
3593         isa_names_table.  Update error message for P_ZERO priority.
3594
3595 2019-04-25  Richard Biener  <rguenther@suse.de>
3596
3597         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3598         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3599
3600 2019-04-24  Jeff Law  <law@redhat.com>
3601
3602         PR tree-optimization/90037
3603         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3604         * passes.def: Replace all instance of phi-only cprop with the
3605         lattice propagator.  Move propagation pass from after erroneous
3606         path isolation to before erroneous path isolation.
3607         * tree-ssa-phionlycprop.c: Remove.
3608
3609 2019-04-24  Richard Biener  <rguenther@suse.de>
3610
3611         PR middle-end/90213
3612         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3613         by size and BITS_PER_UNIT on poly-wide-ints.
3614
3615 2019-04-25  Richard Biener  <rguenther@suse.de>
3616
3617         PR middle-end/90194
3618         * match.pd: Add pattern to simplify view-conversion of an
3619         empty constructor.
3620
3621 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3622
3623         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3624         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3625         for Go on 32 bit AIX.
3626         * config/rs6000/aix72.h: Likewise.
3627
3628 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3629
3630         PR target/90193
3631         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3632         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3633
3634 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3635
3636         PR target/89952
3637         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3638         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3639         for restored hard frame pointer.
3640         (s390_sched_dependencies_evaluation): Implement new target hook.
3641         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3642
3643 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3644
3645         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3646         * config/arc/arc.c (arc_init): Cleanup warning message.
3647         (arc_override_options): Likewise.
3648
3649 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR target/90187
3652         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3653         a register if both if_true and if_false are MEMs.
3654
3655         PR tree-optimization/90208
3656         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3657         after labels of new_bb, not before them.
3658
3659         PR tree-optimization/90211
3660         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3661         which are not SSA_NAMEs.
3662
3663 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3664
3665         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3666         AArch64.
3667         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3668
3669 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3670
3671         PR rtl-optimization/87979
3672         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3673         not equal zero.
3674
3675 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3676
3677         PR rtl-optimization/84032
3678         * modulo-sched.c (ps_insn_find_column): Change condition so that
3679         branch will always be the last insn in a row inside partial
3680         schedule.
3681
3682 2019-04-23  Richard Biener  <rguenther@suse.de>
3683
3684         PR debug/90131
3685         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3686         dest_single_pred_p argument.
3687         (remove_forwarder_block): Adjust.
3688         (remove_forwarder_block_with_phi): Likewise.
3689
3690 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3691             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3692             Jakub Jelinek  <jakub@redhat.com>
3693
3694         PR target/89093
3695         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3696         if used with general-regs-only.
3697         (arm_conditional_register_usage): Don't add non-general regs if
3698         general-regs-only.
3699         (arm_valid_target_attribute_rec): Handle general-regs-only.
3700         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3701         general-regs-only.
3702         (TARGET_HARD_FLOAT_SUB): Define.
3703         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3704         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3705         (TARGET_REALLY_IWMMXT2): Likewise.
3706         * config/arm/arm.opt: Add -mgeneral-regs-only.
3707         * doc/extend.texi: Document ARM general-regs-only target.
3708         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3709
3710 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3711
3712         PR tree-optimization/90078
3713         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3714         checks for infinite_cost overflow.
3715
3716 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3717
3718         PR tree-optimization/90021
3719         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3720         and check univariate against it.
3721         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3722         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3723
3724 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3725
3726         PR target/90178
3727         Revert:
3728         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3729
3730         Revert the revert:
3731         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3732
3733         Revert:
3734         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3735
3736         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3737
3738 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3739
3740         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3741         names using operand format, rather than hard-wired.
3742         (speculation_barrier): Likewise.
3743
3744 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3745
3746         PR tree-optimization/88055
3747         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3748         (gen_one_condition): Use it if !HONOR_NANS.
3749
3750 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3751
3752         PR middle-end/90139
3753         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3754         assign_temp instead of gen_reg_rtx.
3755
3756 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3757
3758         PR translation/90118
3759         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3760         Add missing space before %<.
3761
3762 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3763
3764         PR rtl-optimization/87871
3765         * ira-lives.c (make_object_dead): Don't add conflicts to
3766         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3767
3768 2019-04-18  Martin Sebor  <msebor@redhat.com>
3769
3770         PR middle-end/89797
3771         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3772         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3773         assuming type size fits in SHWI.
3774
3775 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3776
3777         PR ipa/85051
3778         * ipa-inline.c (flatten_function): New parameter UPDATE.
3779         (ipa_inline, early_inliner): Use it.
3780
3781 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3782
3783         * fold-const.c (int_const_binop): Return early on failure.
3784
3785 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3786
3787         PR middle-end/85164
3788         * combine.c (force_int_to_mode): Cast the argument rather than
3789         the result of known_alignment.
3790         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3791
3792 2019-04-18  Richard Biener  <rguenther@suse.de>
3793
3794         PR debug/90131
3795         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3796         out from ...
3797         (remove_forwarder_block): ... here.
3798         (remove_forwarder_block_with_phi): Also move debug stmts here.
3799
3800 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3801
3802         PR translation/79183
3803         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3804         inform where appropriate.
3805
3806 2019-04-18  Richard Biener  <rguenther@suse.de>
3807
3808         * tree.c (get_qualified_type): Put found type variants at the
3809         head of the variant list.
3810
3811 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3812
3813         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3814
3815 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3816
3817         PR target/90125
3818         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3819         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3820         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3821         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3822         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3823
3824 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3825
3826         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3827         even for allocno's with no conflicts.
3828         (print_conflicts): Print an extra newline.
3829
3830 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3831
3832         * auto-inc-dec.c (attempt_change): Set the alignment of the
3833         temporary memory to that of the original.
3834
3835 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3836
3837         * targhooks.c (default_print_patchable_function_entry): Emit
3838         __patchable_function_entries section with writable flags to allow
3839         relocation resolution.
3840
3841 2019-04-17  Jonny Grant  <jg@jguk.org>
3842
3843         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3844
3845 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3846
3847         PR middle-end/90095
3848         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3849         on lowpart SUBREGs.
3850
3851 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3852
3853         * config/arc/arc.c (arc_init): Format diagnostic string.
3854         (arc_override_options): Likewise.
3855         (check_if_valid_regno_const): Likewise.
3856         (arc_reorg): Likewise.
3857
3858 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3859
3860         PR target/17108
3861         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3862         name.
3863         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3864         name.
3865         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3866         (*movdi_update1): Use Pmode.
3867         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3868         (movdi_<mode>_update_stack): Rename to ...
3869         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3870         use Pmode.
3871         (*movsi_update1): Use Pmode.
3872         (*movsi_update2): Use Pmode.
3873         (movsi_update): Rename to ...
3874         (movsi_<mode>_update): ... this.  Use Pmode.
3875         (movsi_update_stack): Fix condition.
3876         (*movhi_update1): Use Pmode.  Fix argument to
3877         avoiding_indexed_address_p.
3878         (*movhi_update2): Ditto.
3879         (*movhi_update3): Ditto.
3880         (*movhi_update4): Ditto.
3881         (*movqi_update1): Ditto.
3882         (*movqi_update2): Ditto.
3883         (*movqi_update3): Ditto.
3884         (*movsf_update1, *movdf_update1): Merge, rename to...
3885         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3886         avoiding_indexed_address_p.  Add "size" attribute.
3887         (*movsf_update2, *movdf_update2): Merge, rename to...
3888         (*mov<mode>_update2): This.  Ditto.
3889         (*movsf_update3): Use Pmode.  Fix argument to
3890         avoiding_indexed_address_p.
3891         (*movsf_update4): Ditto.
3892         (allocate_stack): Simplify condition.  Adjust pattern names.
3893
3894 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3895
3896         PR target/89093
3897         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3898         whitespace at the start of target attribute string.
3899
3900 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3901
3902         PR target/84369
3903         * config/rs6000/power9.md: Add store forwarding bypass.
3904
3905 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3906
3907         PR debug/89528
3908         * valtrack.c (dead_debug_insert_temp): Reset debug references
3909         to the return value of a call being removed.
3910
3911 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3912
3913         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3914         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3915         implement target hook.
3916         (arc_memory_move_cost): New function.
3917         (TARGET_REGISTER_MOVE_COST): Define.
3918         (TARGET_MEMORY_MOVE_COST): Likewise.
3919         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3920         (MEMORY_MOVE_COST): Likewise.
3921
3922 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3923
3924         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3925         (sibcall_value_insn): Likewise.
3926         * config/arc/constraints.md (Rs5): Remove.
3927
3928 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3929
3930         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3931         for last two fake registers.
3932         (arc_conditional_register_usage): Make sure fake frame and arg
3933         pointer regs are in general regs class.
3934         (FRAME_POINTER_MASK): Remove.
3935         (RETURN_ADDR_MASK): Remove.
3936         (arc_must_save_register): Use hard frame regnum.
3937         (frame_restore_reg): Use hard_frame_pointer_rtx.
3938         (arc_save_callee_saves): Likewise.
3939         (arc_restore_callee_saves): Likewise.
3940         (arc_save_callee_enter): Likewise.
3941         (arc_restore_callee_leave): Likewise.
3942         (arc_save_callee_milli): Likewise.
3943         (arc_eh_return_address_location): Likewise.
3944         (arc_check_multi): Use hard frame regnum.
3945         (arc_can_eliminate): Likewise.
3946         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3947         for register allocator.
3948         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3949         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3950         (FRAME_POINTER_REGNUM): Change it to a fake register.
3951         (HARD_FRAME_POINTER_REGNUM): Defined.
3952         (ARG_POINTER_REGNUM): Change it to a new fake register.
3953         (ELIMINABLE_REGS): Update.
3954         (REGISTER_NAMES): Update names.
3955         * config/arc/arc.md (LP_START): Remove.
3956         (LP_END): Likewise.
3957         (shift_si3_loop): Update pattern.
3958
3959 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3960
3961         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3962         to avoid delay slot scheduling.
3963         (arc_must_save_register): Don't save SP.
3964         * config/arc/arc.md (stack_tie): Remove.
3965         (UNSPEC_ARC_STKTIE): Likewise.
3966
3967 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3968             Shiva Chen  <shiva0217@gmail.com>
3969
3970         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3971         code gen with large shift amount.
3972
3973 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3974
3975         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3976         subreg.
3977
3978 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3979
3980         PR target/90096
3981         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3982         print -m64/-mx32/-m32 if it is true.
3983         (ix86_debug_options, ix86_function_specific_print): Pass true as
3984         ADD_ABI_P to ix86_target_string.
3985         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3986         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3987         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3988
3989         PR rtl-optimization/90082
3990         * dce.c (can_delete_call): New function.
3991         (deletable_insn_p, mark_insn): Use it.
3992
3993         PR tree-optimization/90090
3994         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3995         throw internally.
3996         (is_division_by_square): Likewise.  Formatting fix.
3997
3998 2019-04-16  Richard Biener  <rguenther@suse.de>
3999
4000         PR tree-optimization/56049
4001         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4002         equality check if alias-set zero will prevail.
4003
4004 2019-04-15  Jeff Law  <law@redhat.com>
4005
4006         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4007         size and alignment as unsigned.
4008
4009 2019-04-15  Richard Biener  <rguenther@suse.de>
4010
4011         PR debug/90074
4012         * tree-loop-distribution.c (destroy_loop): Preserve correct
4013         debug info.
4014
4015 2019-04-15  Richard Biener  <rguenther@suse.de>
4016
4017         PR tree-optimization/90071
4018         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4019         abnormal operands from def stmts.
4020
4021 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4022
4023         PR rtl-optimization/89794
4024         * combine.c (count_auto_inc): New function.
4025         (try_combine): Count how many auto_inc expressions there were in the
4026         original instructions.  Ensure we have the same number in the new
4027         instructions.  Remove the code that tried to ensure auto_inc side
4028         effects on i1 and i0 are not lost.
4029
4030 2019-04-15  Richard Biener  <rguenther@suse.de>
4031
4032         PR ipa/88936
4033         * tree.h (auto_var_p): Declare.
4034         * tree.c (auto_var_p): New function, split out from ...
4035         (auto_var_in_fn_p): ... here.
4036         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4037         member.
4038         (new_var_info): Initialize it.
4039         (set_uids_in_ptset): Also set the shadow variable uid if required.
4040         (ipa_pta_execute): Postprocess points-to solutions assigning
4041         shadow variable uids for locals that may reach their containing
4042         function recursively.
4043         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4044         assert but instead check whether the points-to solution is
4045         a singleton.
4046
4047 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4048
4049         PR ipa/pr89693
4050         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4051         the thunk chain.
4052
4053 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4054
4055         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4056
4057 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4058             Kito Cheng  <kito.cheng@gmail.com>
4059             Shiva Chen  <shiva0217@gmail.com>
4060
4061         * config/nds32/nds32-md-auxiliary.c
4062         (nds32_legitimize_pic_address): Use new PIC pattern.
4063         (nds32_legitimize_tls_address): Use new TLS pattern.
4064         (nds32_output_symrel): New.
4065         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4066         (nds32_alloc_relax_group_id): Ditto.
4067         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4068         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4069         relax_group_id.
4070         (nds32_group_tls_insn): Ditto.
4071         (nds32_group_float_insns): Ditto.
4072         * config/nds32/nds32.md (tls_le): New.
4073         (sym_got): Ditto.
4074
4075 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4076
4077         * configure: Add nds32 target for dwarf2 debug_line checking.
4078         * configure.ac: Regenerated.
4079
4080 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4081
4082         PR lto/89358
4083         * ipa-devirt.c (skip_in_fields_list_p): New.
4084         (odr_types_equivalent_p): Use it.
4085
4086 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4087
4088         PR target/89093
4089         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4090         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4091
4092 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4093
4094         * doc/install.texi: Document --with-target-system-zlib.
4095
4096 2019-04-12  Martin Sebor  <msebor@redhat.com>
4097
4098         PR c/88383
4099         PR c/89288
4100         PR c/89798
4101         PR c/89797
4102         * targhooks.c (default_vector_alignment): Avoid assuming
4103         argument fits in SHWI.
4104         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4105         a shift expression.
4106         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4107
4108 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4109
4110         PR rtl-optimization/89965
4111         * dce.c: Include rtl-iter.h.
4112         (struct check_argument_load_data): New type.
4113         (check_argument_load): New function.
4114         (find_call_stack_args): Check for loads from stack slots still tracked
4115         in sp_bytes and punt if any is found.
4116
4117         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4118
4119 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4120
4121         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4122         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4123
4124 2019-04-12  Martin Liska  <mliska@suse.cz>
4125
4126         PR middle-end/89970
4127         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4128         in error message.
4129         (separate_attrs): Handle multiple 'default's.
4130         (expand_target_clones): Rework error handling code.
4131
4132 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4133
4134         PR target/87532
4135         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4136         mode of vector rather than mode of destination for move instruction.
4137         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4138         Use QI inner mode with V16QI vector mode.
4139
4140 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4141
4142         PR target/52726
4143         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4144         "invalid %%t operand" in output_operand_lossage message.
4145
4146 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4147
4148         * config/s390/predicates.md (permute_pattern_operand): New
4149         predicate.
4150         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4151         operand for the permute pattern.
4152         ("*vec_perm<mode>"): New insn definition.
4153         ("bswap<mode>"): Generate the permute pattern operand in the
4154         expander and perform the operand reloads for pre arch13 level
4155         already.
4156         ("*bswap<mode>_emu"): Rename to ...
4157         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4158         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4159         Add the USE operand for the permute pattern.
4160         ("*vec_set_bswap_vec<mode>"): Likewise.
4161
4162 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4163
4164         PR c/89946
4165         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4166         and gcc_unreachable if it fails, just call tree_to_uhwi which
4167         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4168         Start warning message with a lower-case letter.  Formatting fixes.
4169
4170         PR rtl-optimization/90026
4171         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4172         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4173         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4174         in cfglayout mode, use emit_barrier_after_bb.
4175
4176 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4177
4178         PR rtl-optimization/87763
4179         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4180         New Instruction.
4181
4182 2019-04-11  Tom de Vries  <tdevries@suse.de>
4183
4184         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4185         max macro using statement expression.
4186
4187 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4188
4189         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4190         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4191         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4192         read_only_private_data_section using xcoff_private_rodata_section_name.
4193         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4194
4195 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4196
4197         PR target/90016
4198         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4199
4200 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4201
4202         PR rtl-optimization/89965
4203         * dce.c (sp_based_mem_offset): New function.
4204         (find_call_stack_args): Use sp_based_mem_offset.
4205
4206 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4207
4208         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4209
4210 2019-04-11  Richard Biener  <rguenther@suse.de>
4211
4212         PR tree-optimization/90020
4213         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4214         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4215         * tree-ssa-pre.c (compute_avail): Use it to not put
4216         possibly trapping references after a call that might not
4217         return into EXP_GEN.
4218         * gcse.c (compute_hash_table_work): Do not elide
4219         marking a block containing a call if the call might not
4220         return.
4221
4222 2019-04-11  Richard Biener  <rguenther@suse.de>
4223
4224         PR tree-optimization/90018
4225         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4226         Test both SLP and interleaving variants.
4227
4228 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4229
4230         * config/s390/8561.md: New file.
4231         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4232         Add arch13 cpu model.
4233         * config/s390/s390-opts.h (enum processor_type): Likewise.
4234         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4235         (s390_get_unit_mask): Likewise.
4236         (s390_is_fpd): Likewise.
4237         (s390_is_fxd): Likewise.
4238         * config/s390/s390.h (s390_tune_attr): Likewise.
4239         * config/s390/s390.md: Include arch13 pipeline description.
4240         * config/s390/s390.opt: Add arch13.
4241
4242 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4243
4244         PR rtl-optimization/87763
4245         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4246         New prototype.
4247         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4248         New function.
4249         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4250         New instruction.
4251         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4252         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4253         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4254         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4255
4256 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4257
4258         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4259         "Although" in -fipa-icf documentation.
4260
4261         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4262         of using multiple -g options.
4263
4264 2019-04-10  Martin Liska  <mliska@suse.cz>
4265
4266         PR gcov-profile/89959
4267         * doc/gcov.texi: Make documentation of -x option
4268         more precise.
4269
4270 2019-04-10  Richard Biener  <rguenther@suse.de>
4271
4272         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4273         member.
4274         (DR_GROUP_SAME_DR_STMT): Remove.
4275         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4276         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4277         replace with assert.
4278         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4279         (vect_record_grouped_load_vectors): Remove unreachable code.
4280
4281 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4282
4283         PR target/90016
4284         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4285         obsolete reference to N.
4286
4287 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4288
4289         PR middle-end/90025
4290         * expr.c (store_expr): Set properly size on the MEM passed to
4291         clear_storage.
4292
4293         PR c++/90010
4294         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4295         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4296         translation is needed, and when translation is needed, only append
4297         ... if the string length is hostsz or more bytes long.  Avoid using
4298         strncpy or strcat.
4299
4300 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4301
4302         PR target/90024
4303         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4304         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4305         into three.
4306         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4307         differences directly.
4308         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4309
4310 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4311
4312         PR translation/90011
4313         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4314         from diagnostics.
4315         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4316         diagnostics.
4317         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4318         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4319         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4320         trailing space from -gsplit-dwarf diagnostics.
4321
4322         PR tree-optimization/89998
4323         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4324         instead of integer_type_node if possible, don't add ranges if return
4325         type is not compatible with int.
4326         * gimple-fold.c (gimple_fold_builtin_sprintf,
4327         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4328         integer_type_node.
4329
4330 2019-04-09  Martin Liska  <mliska@suse.cz>
4331
4332         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4333         * doc/install.texi: Document the new config.
4334
4335 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
4336
4337         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4338         use gimple_expr_type for load and store calls.  Skip over the
4339         condition argument in a conditional internal function.
4340         Protect use of TREE_INT_CST_LOW.
4341
4342 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4343
4344         PR target/90015
4345         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4346         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
4347         trailing period from it too.
4348
4349 2019-04-08  wu yuan  <wuyuan5@huawei.com>
4350
4351         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4352         * config/aarch64/aarch64.md : Add "tsv110.md"
4353         * config/aarch64/tsv110.md: New file.
4354
4355 2019-04-08  Richard Biener  <rguenther@suse.de>
4356
4357         PR tree-optimization/90006
4358         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4359         calls like lrint.
4360
4361 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
4362
4363         PR target/83033
4364         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4365         construction.
4366         (fma_root_node): Likewise.
4367         (func_fma_steering): Likewise.
4368
4369 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
4370
4371         PR rtl-optimization/89865
4372         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4373
4374         PR rtl-optimization/89865
4375         * config/i386/i386.md
4376         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4377         numbers not to clash with the additional operands[4].
4378         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4379         with extra register copy in the middle.
4380
4381 2019-04-08  Martin Liska  <mliska@suse.cz>
4382
4383         PR gcov-profile/89961
4384         * doc/gcov.texi: Document data_file.
4385         * gcov.c (generate_results): Add data_info into JSON output.
4386
4387 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
4388
4389         PR tree-optimization/89725
4390         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
4391         loop's chrec as invariant symbol.
4392         * tree-chrec.h (chrec_contains_symbols): New parameter.
4393         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4394         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4395         function of loops not in DDR's loop_nest.
4396         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4397
4398 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
4399
4400         PR target/89623
4401         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4402         Mask.
4403
4404 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4405
4406         PR target/89945
4407         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4408         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4409
4410 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4411
4412         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4413         targetm.fixed_condition_code_regs.
4414
4415 2019-04-05  Richard Biener  <rguenther@suse.de>
4416
4417         PR debug/89892
4418         PR debug/89905
4419         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4420         debug bind stmts but reset them if they are not valid at the
4421         destination.
4422
4423 2019-04-05  Martin Liska  <mliska@suse.cz>
4424
4425         PR translation/89936
4426         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4427         order to wrap keywords or arguments.
4428         * collect2.c (main): Likewise.
4429         (scan_prog_file): Likewise.
4430         (scan_libraries): Likewise.
4431         * common/config/riscv/riscv-common.c
4432         (riscv_subset_list::parsing_subset_version): Likewise.
4433         (riscv_subset_list::parse_std_ext): Likewise.
4434         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4435         Likewise.
4436         * config/arm/arm.c (arm_option_override): Likewise.
4437         * config/cris/cris.c (cris_print_operand): Likewise.
4438         * config/darwin-c.c (darwin_pragma_options): Likewise.
4439         (darwin_pragma_unused): Likewise.
4440         (darwin_pragma_ms_struct): Likewise.
4441         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4442         * config/i386/i386.c (print_reg): Likewise.
4443         (ix86_print_operand): Likewise.
4444         * config/i386/xm-djgpp.h: Likewise.
4445         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4446         * config/m32c/m32c.c (m32c_option_override): Likewise.
4447         * config/msp430/msp430.c (msp430_option_override): Likewise.
4448         * config/nds32/nds32.c (nds32_option_override): Likewise.
4449         * config/nvptx/mkoffload.c (main): Likewise.
4450         * config/rx/rx.c (rx_print_operand): Likewise.
4451         (valid_psw_flag): Likewise.
4452         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4453         (vms_pragma_nomember_alignment): Likewise.
4454         (vms_pragma_extern_model): Likewise.
4455         * lto-wrapper.c (compile_offload_image): Likewise.
4456         * omp-offload.c (oacc_parse_default_dims): Likewise.
4457         * symtab.c (symtab_node::verify_base): Likewise.
4458         * tlink.c (recompile_files): Likewise.
4459         (start_tweaking): Likewise.
4460         * tree-profile.c (parse_profile_filter): Likewise.
4461
4462 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4463
4464         PR tree-optimization/89956
4465         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4466         multiple negates of the same value.
4467
4468 2019-04-04  Martin Sebor  <msebor@redhat.com>
4469
4470         PR middle-end/89957
4471         PR middle-end/89911
4472         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4473         have the same precision since the function crashes otherwise.
4474         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4475         has non-zero arguments.
4476
4477 2019-04-04  Martin Sebor  <msebor@redhat.com>
4478
4479         PR middle-end/89934
4480         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4481         out if the number of arguments is less than expected.
4482
4483 2019-04-04  Jeff Law  <law@redhat.com>
4484
4485         PR rtl-optimization/89399
4486         * ree.c (combine_set_extension): Use single_set rather than
4487         digging into PATTERN for items on the candidate list.
4488         (combine_reaching_defs): Likewise.
4489
4490 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4491
4492         PR rtl-optimization/46590
4493         * loop-invariant.c (find_defs): Move df_remove_problem and
4494         df_process_deferred_rescans to move_invariants.
4495         Move df_live_add_problem and df_live_set_all_dirty calls
4496         to move_invariants.
4497         (move_invariants): Likewise.
4498         (move_loop_invariants): Likewise, making the df_live calls
4499         conditional on -O.  Remove the problem again if we added it
4500         locally.
4501
4502 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4503
4504         PR tree-optimization/89730
4505         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4506         -flive-patching=inline-only-static.
4507         (can_inline_edge_by_limits_p): Add the checking for
4508         -flive-patching=inline-only-static and grant always_inline
4509         even when -flive-patching=inline-only-static is specified.
4510
4511 2019-04-03  Jeff Law  <law@redhat.com>
4512
4513         PR rtl-optimization/81025
4514         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4515
4516 2019-04-03  Richard Biener  <rguenther@suse.de>
4517
4518         PR tree-optimization/84101
4519         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4520         regs.h for hard_regno_nregs.
4521         (cfun_returns): New helper.
4522         (vect_model_store_cost): When vectorizing a store to a decl
4523         we return and the function ABI returns in a multi-reg location
4524         account for the possible spilling that will happen.
4525
4526 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4527
4528         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4529         displacement addresses for vector mode operands.
4530
4531 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4532
4533         * config/arc/arc.c (GMASK_LEN): Define.
4534         (arc_restore_callee_saves): Restore first blink when
4535         !optimize_size.
4536
4537 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4538
4539         * doc/extend.texi: Add deprecated comment on sign-return-address
4540         function attribute and add mbranch-protection.
4541         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4542
4543 2019-04-03  Richard Biener  <rguenther@suse.de>
4544
4545         PR lto/89896
4546         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4547         the all target phony.
4548
4549 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4550
4551         PR target/89902
4552         PR target/89903
4553         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4554         Return false for variable DImode shifts.
4555         (dimode_scalar_chain::compute_convert_gain): Do not handle
4556         register count operand in variable DImode shifts.
4557         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4558         count argument of a variable shift instruction to a vector register.
4559         (dimode_scalar_chain::convert_reg): Remove support to convert
4560         count argument of a variable shift instruction.
4561
4562 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4563
4564         PR rtl-optimization/84206
4565         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4566         iterating over loop headers.
4567
4568 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4569
4570         PR rtl-optimization/85876
4571         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4572         beyond the original fence.
4573
4574 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4575
4576         * config.gcc: Mark spu* targets as deprecated/obsolete.
4577
4578 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4579
4580         * config/s390/s390-builtin-types.def: New builtin function type
4581         definitions. Remove unused types.
4582         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4583         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4584         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4585         overloaded builtins.
4586         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4587         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4588         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4589         (vec_double, vec_signed, vec_unsigned): Define to use the new
4590         overloaded builtins.
4591         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4592         Remove expanders.
4593
4594 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4595
4596         * config/s390/s390-builtin-types.def: New builtin function type
4597         definitions.
4598         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4599         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4600         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4601         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4602         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4603         constant definitions.
4604         * config/s390/vecintrin.h (vec_search_string_cc)
4605         (vec_search_string_until_zero_cc): New builtin name definitions.
4606         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4607         expanders.
4608         ("vec_vstrs<mode>"): New insn definition.
4609
4610 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4611
4612         * config/s390/s390-builtin-types.def: Add new builtin function
4613         types.
4614         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4615         New overloaded builtins.
4616         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4617         s390_vsrd.
4618         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4619         (UNSPEC_VEC_SLDBYTE): ... this.
4620         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4621         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4622         definitions.
4623         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4624         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4625         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4626
4627 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4628
4629         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4630         New insn definition.
4631         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4632         * config/s390/vector.md (V_HW_HSD): ... here.
4633
4634 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4635
4636         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4637         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4638         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4639         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4640         New insn definitions.
4641
4642 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4643
4644         * config/s390/s390-builtin-types.def: Add new builtin function type.
4645         * config/s390/s390-builtins.def: Add overloaded builtin
4646         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4647         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4648         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4649         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4650         ("eltswap<mode>"): New expander.
4651         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4652         insn definitions.
4653
4654 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4655
4656         * config/s390/s390-builtin-types.def: Add new builtin function types.
4657         * config/s390/s390-builtins.def: Add overloaded builtin
4658         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4659         instructions.
4660         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4661         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4662         ("bswap<mode>"): New expander.
4663         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4664
4665 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4666
4667         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4668         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4669         vector builtin version number in __VEC__.
4670
4671 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4672
4673         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4674         iterators.
4675         (SFSI): New mode attribute.
4676         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4677         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4678         rename to ...
4679         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4680         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4681         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4682         ("floatsi<mode>2"): Add wcefb instruction.
4683
4684 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4685
4686         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4687         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4688         mode iterators.
4689         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4690         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4691         support 32 bit fp-int conversions. Rename to ...
4692         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4693         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4694         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4695         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4696         ... to these.
4697
4698 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4699
4700         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4701         if-then-else constructs if we can use the select instruction.
4702         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4703
4704 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4705
4706         * config/s390/s390.md ("*popcountdi_arch13_cc")
4707         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4708         definition.
4709         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4710         Append _z196 to make it ...
4711         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4712         ("popcounthi2_z196"): ... this.
4713         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4714         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4715
4716 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4717
4718         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4719         certain compares for arch13 in order to make use of the condition
4720         code result produced by the new instructions.
4721         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4722         nxrk, and nxgrk instruction patterns.
4723         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4724         (inv_no): Add new code iterator together with some attributes.
4725         ("*andc_split_<mode>"): Disable splitter for arch13.
4726         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4727         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4728         ("*<ANDOR:bitops_name>c<GPR:mode>")
4729         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4730         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4731         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4732         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4733
4734 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4735
4736         * common/config/s390/s390-common.c (processor_flags_table): New
4737         entry for arch13.
4738         * config.gcc: Support arch13 with the --with-arch= configure flag.
4739         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4740         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4741         * config/s390/s390.c (s390_get_sched_attrmask)
4742         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4743         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4744         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4745         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4746         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4747         definitions.
4748         * config/s390/s390.opt: Support arch13 as processor type in
4749         command line options.
4750
4751 2019-04-02  Martin Liska  <mliska@suse.cz>
4752
4753         PR translation/89912
4754         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4755         Fix param description of graphite-max-arrays-per-scop.
4756
4757 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4758
4759         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4760         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4761         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4762
4763 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4764
4765         PR rtl-optimization/85412
4766         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4767         sel_sched_region_1, not after.
4768
4769 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4770
4771         PR rtl-optimization/86928
4772         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4773         compute_live if necessary.
4774         (sel_redirect_edge_and_branch): Likewise.
4775
4776 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4777
4778         PR rtl-optimization/89865
4779         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4780         register if it is a part of small class.
4781
4782 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4783
4784         PR rtl-optimization/87273
4785         * sel-sched-ir.c (merge_fences): Remove assert.
4786
4787 2019-04-01  Richard Biener  <rguenther@suse.de>
4788
4789         PR tree-optimization/46590
4790         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4791         (dom_walker::m_reachability): Add in place of...
4792         (dom_walker::m_skip_unreachable_blocks): ...this.
4793         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4794         Move complex initialization ...
4795         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4796         lazily and initialize edge flags on each invocation.
4797         (dom_walker::bb_reachable): Use m_reachability.
4798
4799 2019-04-01  Martin Liska  <mliska@suse.cz>
4800
4801         PR driver/89861
4802         * opt-suggestions.c (option_proposer::build_option_suggestions):
4803         Add variant without any argument in order to provide better
4804         hints.
4805
4806 2019-04-01  Richard Biener  <rguenther@suse.de>
4807
4808         PR c/71598
4809         * gimple.c: Include langhooks.h.
4810         (gimple_get_alias_set): Treat enumeral types as the underlying
4811         integer type.
4812
4813 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4814             Eric Botcazou  <ebotcazou@adacore.com>
4815
4816         PR rtl-optimization/89862
4817         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4818         that operates on the full registers for WORD_REGISTER_OPERATIONS
4819         architectures.
4820
4821 2019-03-29  Jim Wilson  <jimw@sifive.com>
4822
4823         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4824         Clear MASK_RVC and then set if C subset supported.
4825
4826 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4827
4828         PR c/89872
4829         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4830         non-addressable complit into its initializer if it is volatile.
4831
4832 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4833
4834         * opts-common.c (integral_argument): Set errno properly in one case.
4835
4836 2019-03-29  Martin Liska  <mliska@suse.cz>
4837
4838         * doc/invoke.texi: Remove -Wchkp from documentation.
4839
4840 2019-03-29  Martin Liska  <mliska@suse.cz>
4841
4842         * dbgcnt.c (print_limit_reach): New function.
4843         (dbg_cnt): Use it.
4844
4845 2019-03-29  Martin Liska  <mliska@suse.cz>
4846
4847         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4848         (dbg_cnt_process_opt): Parse first tokens aas
4849         dbg_cnt_process_single_pair is also using strtok.
4850
4851 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4852
4853         PR rtl-optimization/87485
4854         * function.c (expand_function_end): Move stack_protect_epilogue
4855         before loading of return value into hard register(s).
4856
4857 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4858
4859         PR middle-end/89621
4860         * tree-inline.h (struct copy_body_data): Add
4861         dont_remap_vla_if_no_change flag.
4862         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4863         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4864         and remap_type_2 returns false.
4865         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4866         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4867         only from where it is copied to nested contexts.
4868
4869 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4870
4871         PR target/89865
4872         * config/i386/i386.md (RMW operation with LEA peephole):
4873         Use LEAMODE mode attribute instead of SWI mode iterator for
4874         LEA pattern.
4875
4876 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4877
4878         PR target/89848
4879         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4880         Also process XEXP (src, 0) of a shift insn.
4881
4882 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4883
4884         PR middle-end/89725
4885         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4886         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4887
4888 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4889
4890         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4891         test.
4892         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4893         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4894         immediately after first one with df_analyze in between, but rather
4895         process all bbs, queueing ones that need second pass in a worklist,
4896         df_analyze, process queued debug insn changes and if second pass is
4897         needed, process bbs from worklist, df_analyze, process queued debug
4898         insns again.
4899
4900         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4901         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4902         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4903
4904 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4905
4906         PR c/79022
4907         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4908         definition.
4909
4910 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4911
4912         PR target/85667
4913         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4914         function for 32-bit MS_ABI.
4915         (function_value_ms_32): New function.
4916
4917 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4918
4919         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4920         (movdi): Call gen_movdi_symbol_save_scc.
4921         (gen_movdi_symbol_save_scc): New insn and split.
4922
4923 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4924
4925         PR rtl-optimization/89313
4926         * function.c (matching_constraint_num): New static function.
4927         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4928         Don't replace inputs with non-matching constraints which conflict
4929         with early clobber outputs.
4930
4931 2019-03-27  Jeff Law  <law@redhat.com>
4932
4933
4934         PR rtl-optimization/87761
4935         PR rtl-optimization/89826
4936         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4937         slightly later.
4938         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4939         note problem to get REG_DEAD/REG_UNUSED notes updated.
4940
4941 2019-03-27  Richard Biener  <rguenther@suse.de>
4942
4943         PR tree-optimization/89463
4944         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4945         queue edges to remove.
4946         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4947         dead stmts.  Delay edge removal until PHIs are removed to
4948         make debug-stmt creation not confused by seemingly degenerate
4949         PHIs.
4950
4951 2019-03-27  Alan Modra  <amodra@gmail.com>
4952
4953         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4954         throughout file.
4955         * config/rs6000/darwin.h: Likewise.
4956         * config/rs6000/rs6000.c: Likewise.
4957
4958 2019-03-27  Alan Modra  <amodra@gmail.com>
4959
4960         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4961         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4962
4963 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4964             Jim Wilson  <jimw@sifive.com>
4965
4966         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4967         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4968         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4969         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4970         (generic_alu): Add auipc to type list.
4971         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4972         (riscv_microarchitecture): Declare.
4973         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4974         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4975         field.
4976         (riscv_microarchitecture): New.
4977         (sifive_7_tune_info): New.
4978         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4979         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4980         entries.
4981         (riscv_store_data_bypass_p): New.
4982         (riscv_option_override): Set riscv_microarchitecture from
4983         cpu->microarchitecture.
4984         * config/riscv/riscv.md: Include sifive-7.md.
4985         (type): Add auipc.
4986         (tune): New.
4987         (auipc<mode>): Change type to auipc.
4988         (restore_stack_nonlocal): New.
4989         * config/riscv/sifive-7.md: New.
4990         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4991
4992 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4993
4994         PR target/89827
4995         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4996         Also process XEXP (src, 0) of a shift insn.
4997
4998 2019-03-26  Richard Biener  <rguenther@suse.de>
4999
5000         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5001         (copy_debug_stmt): Likewise.
5002         (expand_call_inline): Likewise.
5003         (copy_bb): Avoid redundant lookup & set of gimple_block.
5004         * gimple-low.c (lower_gimple_return): Likewise.
5005         (lower_builtin_setjmp): Likewise.
5006
5007 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5008
5009         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5010         is constant 0, turn into static const data member initialized to false.
5011         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5012         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5013
5014 2019-03-26  Jason Merrill  <jason@redhat.com>
5015             Jakub Jelinek  <jakub@redhat.com>
5016
5017         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5018         method.
5019         (mem_alloc_description::release_object_overhead): Fix comment typos.
5020         * hash-table.h (hash_table::~hash_table): Call
5021         release_instance_overhead only if m_entries is non-NULL, otherwise
5022         call unregister_descriptor.
5023
5024 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5025
5026         PR tree-optimization/81740
5027         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5028         In case of outer loop vectorization, check for backward dependence
5029         at the inner loop if outer loop dependence is reversed.
5030
5031 2019-03-26  Alan Modra  <amodra@gmail.com>
5032
5033         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5034         rs6000_vector_mem init.  Correct wI and wJ comment.
5035
5036 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5037
5038         PR rtl-optimization/88347
5039         PR rtl-optimization/88423
5040         * sched-deps.c (sched_analyze_insn): Take into account that for
5041         tablejumps the barrier appears after a label and a jump_table_data.
5042
5043 2019-03-25  Martin Sebor  <msebor@redhat.com>
5044
5045         PR c/89812
5046         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5047         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5048         convert it to UHWI when it fits.
5049
5050 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5051
5052         PR debug/86964
5053         * dwarf2out.c (premark_used_variables): New function.
5054         (prune_unused_types_walk): Do not mark not premarked external
5055         variables.
5056         (prune_unused_types): Call premark_used_variables.
5057
5058 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5059
5060         PR rtl-optimization/89676
5061         * lra-constraints.c (curr_insn_transform): Do match reload for
5062         early clobbers when the match was successful only for different
5063         registers.
5064
5065 2019-03-25  Martin Sebor  <msebor@redhat.com>
5066
5067         * doc/extend.texi (Common Type Attributes): Document vector_size.
5068         (Common Variable Attributes): Mention size constraint.  Correct
5069         quoting and typos.
5070         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5071         base type and size constraints.
5072
5073 2019-03-25  Richard Biener  <rguenther@suse.de>
5074
5075         PR tree-optimization/89789
5076         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5077         changes from non-undefined back to undefined.
5078
5079 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5080
5081         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5082         heap string and a gc string, but since this variable is unknown to
5083         ggc the gc string might get reused and corrupted. Fixed by always
5084         using a heap string.
5085
5086 2019-03-25  Richard Biener  <rguenther@suse.de>
5087
5088         PR tree-optimization/89779
5089         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5090         to remove IV defs, delay actual removal.
5091         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5092         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5093         very end, properly also reset loop control IV information.
5094
5095 2019-03-25  Richard Biener  <rguenther@suse.de>
5096
5097         PR tree-optimization/89802
5098         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5099         move EH data to folded stmt.
5100
5101 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5102
5103         * config/s390/s390-builtin-types.def: Remove few unused types and
5104         fix sort order for others.
5105
5106 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5107
5108         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5109         expected and found types with -mdebug during builtin matching.
5110
5111 2019-03-25  Richard Biener  <rguenther@suse.de>
5112
5113         PR middle-end/89790
5114         * fold-const.c (operand_equal_p): Revert last change with
5115         updated comment.
5116
5117 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5118
5119         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5120         notes for the result of the __tls_get_addr calls.
5121         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5122
5123 2019-03-24  Jeff Law  <law@redhat.com>
5124
5125         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5126
5127         PR rtl-optimization/87761
5128         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5129         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5130         as needed.
5131         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5132         rescans.  Reprocess blocks as needed, calling df_analyze before
5133         reprocessing.  Always call df_analyze before fixing up debug bind
5134         insns.
5135
5136 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5137
5138         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5139         big endian.
5140
5141 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5142
5143         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5144         attrribute for uxtw.
5145
5146 2019-03-26  Jeff Law  <law@redhat.com>
5147
5148         PR rtl-optimization/87761
5149         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5150         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5151         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5152         into the next instruction.
5153         (mips_split_move_insn): Pass INSN through to mips_split_move.
5154
5155 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5156
5157         PR rtl-optimization/89676
5158         * lra-constraints.c (curr_insn_transform): Do match reload for
5159         early clobbers even if the match was successful.
5160
5161 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5162
5163         PR c++/87481
5164         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5165
5166 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5167
5168         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5169
5170 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5171
5172         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5173         <avx512>_fmsub_<mode>_mask3<round_name>,
5174         <avx512>_fnmadd_<mode>_mask3<round_name>,
5175         <avx512>_fnmsub_<mode>_mask3<round_name>,
5176         avx512f_vmfmadd_<mode>_mask3<round_name>,
5177         avx512f_vmfmsub_<mode>_mask3<round_name>,
5178         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5179         instead of register_operand and %v instead of v for match_operand 1.
5180         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5181         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5182         <round_nimm_predicate> instead of register_operand and %v instead of v
5183         for match_operand 1.
5184
5185         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5186         <avx512>_fmadd_<mode>_mask3<round_name>,
5187         <avx512>_fmsub_<mode>_mask<round_name>,
5188         <avx512>_fmsub_<mode>_mask3<round_name>,
5189         <avx512>_fnmadd_<mode>_mask<round_name>,
5190         <avx512>_fnmadd_<mode>_mask3<round_name>,
5191         <avx512>_fnmsub_<mode>_mask<round_name>,
5192         <avx512>_fnmsub_<mode>_mask3<round_name>,
5193         <avx512>_fmaddsub_<mode>_mask<round_name>,
5194         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5195         <avx512>_fmsubadd_<mode>_mask<round_name>,
5196         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5197         <round_nimm_predicate> instead of nonimmediate_operand.
5198         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5199         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5200         Use register_operand instead of <round_nimm_predicate> for the
5201         operand that needs to match output.
5202         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5203         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5204         Likewise.  Formatting fixes.
5205
5206         PR target/89784
5207         * config/i386/i386.c (enum ix86_builtins): Remove
5208         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5209         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5210         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5211         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5212         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5213         __builtin_ia32_vfmsubss3_mask3): New builtins.
5214         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5215         avx512f_vmfmadd_<mode>_mask3<round_name>,
5216         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5217         *avx512f_vmfmsub_<mode>_mask<round_name>,
5218         avx512f_vmfmsub_<mode>_mask3<round_name>,
5219         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5220         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5221         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5222         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5223         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5224         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5225         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5226         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5227         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5228         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5229         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5230         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5231         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5232         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5233         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5234         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5235         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5236         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5237         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5238         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5239         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5240         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5241         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5242         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5243         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5244         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5245         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5246         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5247
5248 2019-03-21  Martin Sebor  <msebor@redhat.com>
5249
5250         PR tree-optimization/89350
5251         * builtins.c (compute_objsize): Also ignore offsets whose upper
5252         bound is negative.
5253         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5254         (builtin_memref::builtin_memref): Initialize new member.
5255         Allow EXPR to be null.
5256         (builtin_memref::extend_offset_range): Replace local with a member.
5257         Avoid assuming pointer offsets are unsigned.
5258         (builtin_memref::set_base_and_offset): Determine base object
5259         before computing offset range.
5260         (builtin_access::builtin_access): Handle memset.
5261         (builtin_access::generic_overlap): Replace local with a member.
5262         (builtin_access::strcat_overlap): Same.
5263         (builtin_access::overlap): Same.
5264         (maybe_diag_overlap): Same.
5265         (maybe_diag_access_bounds): Same.
5266         (wrestrict_dom_walker::check_call): Handle memset.
5267         (check_bounds_or_overlap): Same.
5268
5269 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5270             Jakub Jelinek  <jakub@redhat.com>
5271
5272         PR lto/89692
5273         * tree.c (fld_type_variant, fld_incomplete_type_of,
5274         fld_process_array_type): Call fld->pset.add and don't call
5275         add_tree_to_fld_list if it returns true.
5276         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5277         non-marked types from TYPE_NEXT_VARIANT list.
5278         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5279
5280 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5281
5282         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5283         to false, if true, don't alloc_entries during construction, but defer
5284         it to the first method that needs m_entries allocated.
5285         (hash_table::hash_table, hash_table::~hash_table,
5286         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5287         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5288         hash_table::clear_slot, hash_table::traverse_noresize,
5289         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5290         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5291         false.
5292         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5293         NO_INSERT instead of find_with_hash.
5294         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5295         hash_set::m_table): Add Lazy to template params of hash_table.
5296         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5297         * attribs.c (test_attribute_exclusions): Likewise.
5298         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5299         hash_set.  Add tests for hash_set with Lazy = true.
5300
5301 2019-03-21  Richard Biener  <rguenther@suse.de>
5302
5303         PR tree-optimization/89779
5304         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5305         checks with respect to released SSA names now having error_mark_node
5306         type.
5307         * fold-const.c (operand_equal_p): Likewise.
5308
5309 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5310
5311         PR target/89775
5312         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5313         available to ...
5314         (s390_optimize_register_info): Use global_not_special_regno_p to
5315         check for global regs.
5316
5317 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5318
5319         PR target/89752
5320         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5321         update this_alternative nor this_alternative_set.
5322
5323 2019-03-19  Jim Wilson  <jimw@sifive.com>
5324
5325         PR target/89411
5326         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
5327         align, size, offset.  Use them to handle a BLKmode reference.  Update
5328         comment.
5329         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5330
5331 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5332
5333         PR rtl-optimization/89768
5334         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5335         instead of GEN_INT.
5336         (unroll_loop_runtime_iterations): Likewise.
5337
5338 2019-03-19  Martin Sebor  <msebor@redhat.com>
5339
5340         PR tree-optimization/89644
5341         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5342         rather than endptr as an indicator of nul-termination.
5343
5344         PR tree-optimization/89644
5345         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5346         arrays in determining sequence sizes in strncpy and stpncpy.
5347
5348 2019-03-19  Martin Liska  <mliska@suse.cz>
5349
5350         PR middle-end/89737
5351         * predict.c (combine_predictions_for_bb): Empty likely_edges and
5352         unlikely_edges if there's an edge that belongs to both these sets.
5353
5354 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
5355
5356         PR target/89746
5357         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5358         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5359         go via a stack temporary.
5360
5361 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5362
5363         PR target/89378
5364         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5365         instead of gen_rtx_SUBREG.
5366         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5367
5368 2019-03-19  Richard Biener  <rguenther@suse.de>
5369
5370         PR debug/88389
5371         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5372
5373 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
5374
5375         PR lto/87809
5376         PR lto/89335
5377         * tree.c (free_lang_data_in_decl): Do not free context of C++
5378         destrutors.
5379
5380 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5381
5382         PR target/89506
5383         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5384         subs for the first alternative except when operands[3] is 1.
5385
5386         PR target/89752
5387         * gimplify.c (gimplify_asm_expr): For output argument with
5388         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5389         diagnose error.
5390
5391 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
5392
5393         PR rtl-optimization/89753
5394         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5395         explicit unrolling factor even more robust.
5396
5397 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5398
5399         PR target/89726
5400         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5401         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5402         signed zeros, do another copysign after the compensation.
5403
5404 2019-03-18  Martin Sebor  <msebor@redhat.com>
5405
5406         PR tree-optimization/89720
5407         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5408         more conservatively, the same as anti-range.
5409
5410 2019-03-18  Richard Biener  <rguenther@suse.de>
5411
5412         PR middle-end/88945
5413         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5414         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5415         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5416         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5417
5418 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5419
5420         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5421         Extend queue to 1024 entries.
5422         Add "consumed" field.
5423         (gomp_print_output): Remove print_index parameter.
5424         Add final parameter.
5425         Change limit to unsigned.
5426         Use consumed field to implement circular buffer.
5427         Detect interrupted print in final pass.
5428         Flush output at the end.
5429         (run): Update gomp_print_output usage.
5430         (main): Initialize kernargs->output_data.consumed.
5431
5432 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5433
5434         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5435         calculation of the minimum number of scalar iterations for
5436         fully-predicated loops.
5437
5438 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5439
5440         PR tree-optimization/89546
5441         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5442         any propagation to its children took place.
5443
5444 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5445
5446         PR target/89627
5447         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5448         parameter, and make use of it.
5449         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5450
5451 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5452
5453         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5454         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5455         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5456         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5457         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5458         match what the ops is doing.
5459         (push_multi_fp_blink): Likewise.
5460         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5461         compiling for size and elf target.
5462         (arc_save_callee_enter): Adjust note to match what enter/leave
5463         operation does.
5464
5465 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5466
5467         * config/arc/arc.md (tst_movb): Fix constraint.
5468
5469 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5470
5471         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5472
5473 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5474
5475         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5476         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5477         reg_alloc_order references.
5478         (size_alloc_order): Define.
5479         (arc_adjust_reg_alloc_order): New function.
5480         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5481         order.
5482         (ADJUST_REG_ALLOC_ORDER): Define.
5483         (HONOR_REG_ALLOC_ORDER): Likewise.
5484
5485 2019-03-18  Richard Biener  <rguenther@suse.de>
5486
5487         PR target/87561
5488         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5489         loads and stores a bit more.
5490
5491 2019-03-18  Richard Biener  <rguenther@suse.de>
5492
5493         PR target/87561
5494         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5495         load pessimization to stores as well.
5496
5497 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5498
5499         PR middle-end/86979
5500         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5501         successor, use NULL as its av set.
5502
5503 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5504
5505         PR rtl-optimization/89721
5506         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5507
5508 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5509
5510         PR target/87532
5511         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5512         When handling vec_extract, use modular arithmetic to allow
5513         constant selectors greater than vector length.
5514         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5515         V1TImode vectors to have constant selector values greater than 0.
5516         Use modular arithmetic to compute vector index.
5517         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5518         index for in-memory vectors.  Correct code generation for
5519         in-register vectors.
5520         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5521         compute index.
5522
5523 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5524
5525         PR c++/88534
5526         PR c++/88537
5527         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5528         VAR_DECL args.
5529
5530 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5531
5532         PR c++/89709
5533         * tree.c (inchash::add_expr): Strip any location wrappers.
5534         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5535         after hash verification.
5536
5537         PR debug/89704
5538         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5539         SIGN_EXTEND and ZERO_EXTEND.
5540
5541 2019-03-14  Jason Merrill  <jason@redhat.com>
5542             Jakub Jelinek  <jakub@redhat.com>
5543
5544         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5545         than if is_empty (*slot).
5546         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5547         existing elt and for elt removal.
5548         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5549         of already removed elt.
5550
5551 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5552
5553         PR target/89650
5554         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5555         REG_EH_REGION note.
5556
5557 2019-03-14  Martin Liska  <mliska@suse.cz>
5558
5559         PR other/89712
5560         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5561
5562 2019-03-14  Richard Biener  <rguenther@suse.de>
5563
5564         PR target/89711
5565         * config/i386/i386.c (make_resolver_func): Properly set
5566         DECL_CONTEXT on the RESULT_DECL.
5567         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5568
5569 2019-03-14  Richard Biener  <rguenther@suse.de>
5570
5571         * gimple-pretty-print.c: Include cfgloop.h.
5572         (dump_gimple_phi): Adjust.
5573         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5574         (pp_cfg_jump): Adjust.
5575         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5576         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5577         (lower_phi_internal_fn): Remove.
5578         (verify_gimple_call): Remove IFN_PHI special-casing.
5579         (dump_function_to_file): Dump IL state.
5580         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5581         done to deal with PHI nodes being present in non-SSA state.
5582
5583 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5584
5585         PR ipa/89684
5586         * multiple_target.c (create_dispatcher_calls): Change
5587         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5588         In the node->iterate_referring loop, push *ref rather than ref, call
5589         ref->remove_reference () and always pass 0 to iterate_referring.
5590
5591         PR rtl-optimization/89679
5592         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5593         would contain a paradoxical SUBREG.
5594
5595 2019-03-14  Richard Biener  <rguenther@suse.de>
5596
5597         PR tree-optimization/89710
5598         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5599         safe_dyn_cast.
5600
5601 2019-03-14  Martin Liska  <mliska@suse.cz>
5602
5603         * coverage.c (coverage_begin_function): Stream also
5604         end_column.
5605         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5606         documentation about function declaration location.
5607         * gcov-dump.c (tag_function): Print whole range
5608         of function declaration.
5609         * gcov.c (struct function_info): Add end_column field.
5610         (function_info::function_info): Initialize it.
5611         (output_json_intermediate_file): Output {start,end}_column
5612         fields.
5613         (read_graph_file): Read end_column.
5614
5615 2019-03-14  Richard Biener  <rguenther@suse.de>
5616
5617         PR middle-end/89698
5618         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5619         that the access types are similar.
5620
5621 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5622
5623         PR tree-optimization/89703
5624         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5625         aren't compatible also with builtin_decl_explicit.  Check pure
5626         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5627         and BUILT_IN_STPNCPY{,_CHK}.
5628
5629 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5630
5631         PR target/89523
5632         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5633         addr32 prefix to VSIB address for X32.
5634         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5635         "%M2" to opcode.
5636         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5637         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5638         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5639         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5640         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5641         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5642         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5643         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5644         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5645         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5646         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5647         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5648         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5649         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5650         (*avx512f_scatterdi<mode>): Likewise.
5651
5652 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5653
5654         PR target/85860
5655         * lra-constraints.c (inherit_in_ebb): Update
5656         potential_reload_hard_regs along with live_hard_regs.
5657
5658 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5659
5660         PR debug/89498
5661         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5662         DWARF_OFFSET_SIZE.
5663         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5664
5665 2019-03-13  Martin Sebor  <msebor@redhat.com>
5666
5667         PR tree-optimization/89662
5668         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5669         has a size.
5670
5671 2019-03-13  Richard Biener  <rguenther@suse.de>
5672
5673         PR middle-end/89677
5674         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5675         throw FP expressions at tree-affine.
5676
5677 2019-03-14  Richard Biener  <rguenther@suse.de>
5678
5679         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5680         dump negative integer constants using _Literal (type) -num.
5681
5682 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5683
5684         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5685         nonlocal_value member.
5686
5687         PR middle-end/88588
5688         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5689         (ipa_simd_modify_function_body): Handle PHIs.
5690
5691 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5692
5693         * config/s390/s390.c (s390_option_override_internal): Use more
5694         aggressive inlining parameters.
5695
5696 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5697
5698         * config/s390/3906.md: New file.
5699         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5700         (LONGRUNNING_THRESHOLD): Remove.
5701         (MAX_SCHED_MIX_SCORE): Decrease.
5702         (MAX_SCHED_MIX_DISTANCE): Decrease.
5703         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5704         (struct s390_sched_state): New struct to hold scheduling state.
5705         (S390_SCHED_STATE_NORMAL): Remove.
5706         (S390_SCHED_STATE_CRACKED): Remove.
5707         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5708         (s390_get_sched_attrmask): Use new attribute.
5709         (s390_get_unit_mask): Use new units.
5710         (s390_is_fpd): New function.
5711         (s390_is_fxd): New function.
5712         (s390_is_longrunning): New function.
5713         (s390_sched_score): Use new functions.
5714         (s390_sched_reorder): Likewise.
5715         (s390_sched_variable_issue): Rework and use new functions.
5716         (s390_sched_init): Use new functions.
5717         * config/s390/s390.h (s390_tune_attr):  Add z14.
5718         * config/s390/s390.md: Add z14.
5719
5720 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5721
5722         * config/s390/2964.md: Update pipeline description.
5723         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5724         (LONGRUNNING_THRESHOLD): Remove.
5725         (LATENCY_FACTOR): Remove.
5726         (s390_get_unit_mask): Add unit.
5727         (s390_sched_score): Use fxd/fpd.
5728         (s390_sched_variable_issue): Use fxd/fpd.
5729
5730 2019-03-12  Martin Liska  <mliska@suse.cz>
5731
5732         * config/i386/i386.c: Reword an error message.
5733
5734 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5735
5736         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5737         terminate with newline.
5738
5739 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5740
5741         PR target/52726
5742         * config/s390/s390.md (tabort): Use %wd instead of
5743         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5744         letters and periods.
5745         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5746         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5747         's with %< and %>.
5748
5749         PR middle-end/89663
5750         * builtins.c (expand_builtin_int_roundingfn,
5751         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5752         gcc_unreachable if validate_arglist fails.
5753
5754 2019-03-12  Richard Biener  <rguenther@suse.de>
5755
5756         PR tree-optimization/89664
5757         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5758         free the occurance tree after the early out.
5759
5760 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5761
5762         PR middle-end/89655
5763         PR bootstrap/89656
5764         * vr-values.c (vr_values::update_value_range): If
5765         old_vr->varying_p (), don't update it, make new_vr also VARYING
5766         and return false.
5767
5768 2019-03-11  Martin Liska  <mliska@suse.cz>
5769
5770         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5771         Fix double string quoting.
5772
5773 2019-03-11  Martin Liska  <mliska@suse.cz>
5774
5775         * collect-utils.c (collect_wait): Wrap apostrophes
5776         in gcc internal format with %'.
5777         * collect2.c (main): Likewise.
5778         (scan_prog_file): Likewise.
5779         (scan_libraries): Likewise.
5780         * config/i386/i386.c (ix86_expand_call): Likewise.
5781         (ix86_handle_interrupt_attribute): Likewise.
5782         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5783         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5784         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5785         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5786         * symtab.c (symtab_node::verify_base): Likewise.
5787         * tree-cfg.c (verify_gimple_label): Likewise.
5788         * tree.c (verify_type_variant): Likewise.
5789
5790 2019-03-11  Martin Liska  <mliska@suse.cz>
5791
5792         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5793         in a string format message and fix GNU coding style.
5794         (expand_builtin_set_thread_pointer): Likewise.
5795         * common/config/aarch64/aarch64-common.c
5796         (aarch64_rewrite_selected_cpu): Likewise.
5797         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5798         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5799         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5800         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5801         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5802         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5803         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5804         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5805         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5806         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5807         Likewise.
5808         * common/config/riscv/riscv-common.c
5809         (riscv_subset_list::parsing_subset_version): Likewise.
5810         (riscv_subset_list::parse_std_ext): Likewise.
5811         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5812         (riscv_subset_list::parse): Likewise.
5813         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5814         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5815         (aarch64_override_options_internal): Likewise.
5816         (aarch64_validate_mcpu): Likewise.
5817         (aarch64_validate_march): Likewise.
5818         (aarch64_validate_mtune): Likewise.
5819         (aarch64_override_options): Likewise.
5820         * config/alpha/alpha.c (alpha_option_override): Likewise.
5821         * config/arc/arc.c (arc_init): Likewise.
5822         (parse_mrgf_banked_regs_option): Likewise.
5823         (arc_override_options): Likewise.
5824         (arc_expand_builtin_aligned): Likewise.
5825         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5826         (arm_expand_builtin): Likewise.
5827         * config/arm/arm.c (arm_option_check_internal): Likewise.
5828         (arm_configure_build_target): Likewise.
5829         (arm_option_override): Likewise.
5830         (arm_options_perform_arch_sanity_checks): Likewise.
5831         (arm_handle_cmse_nonsecure_entry): Likewise.
5832         (arm_handle_cmse_nonsecure_call): Likewise.
5833         (arm_tls_referenced_p): Likewise.
5834         (thumb1_expand_prologue): Likewise.
5835         * config/avr/avr.c (avr_option_override): Likewise.
5836         * config/bfin/bfin.c (bfin_option_override): Likewise.
5837         * config/c6x/c6x.c (c6x_option_override): Likewise.
5838         * config/cr16/cr16.c (cr16_override_options): Likewise.
5839         * config/cris/cris.c (cris_option_override): Likewise.
5840         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5841         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5842         * config/darwin.c (darwin_override_options): Likewise.
5843         * config/frv/frv.c (frv_expand_builtin): Likewise.
5844         * config/h8300/h8300.c (h8300_option_override): Likewise.
5845         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5846         (ix86_option_override_internal): Likewise.
5847         (warn_once_call_ms2sysv_xlogues): Likewise.
5848         (ix86_expand_prologue): Likewise.
5849         (split_stack_prologue_scratch_regno): Likewise.
5850         (ix86_warn_parameter_passing_abi): Likewise.
5851         * config/ia64/ia64.c (fix_range): Likewise.
5852         * config/m68k/m68k.c (m68k_option_override): Likewise.
5853         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5854         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5855         (mips_set_compression_mode): Likewise.
5856         * config/mmix/mmix.c (mmix_option_override): Likewise.
5857         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5858         * config/msp430/msp430.c (msp430_option_override): Likewise.
5859         * config/nds32/nds32.c (nds32_option_override): Likewise.
5860         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5861         (nios2_option_override): Likewise.
5862         (nios2_expand_custom_builtin): Likewise.
5863         * config/nvptx/mkoffload.c (main): Likewise.
5864         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5865         * config/pa/pa.c (fix_range): Likewise.
5866         (pa_option_override): Likewise.
5867         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5868         (riscv_option_override): Likewise.
5869         * config/rl78/rl78.c (rl78_option_override): Likewise.
5870         * config/rs6000/aix61.h: Likewise.
5871         * config/rs6000/aix71.h: Likewise.
5872         * config/rs6000/aix72.h: Likewise.
5873         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5874         * config/rs6000/freebsd64.h: Likewise.
5875         * config/rs6000/linux64.h: Likewise.
5876         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5877         (rs6000_expand_zeroop_builtin): Likewise.
5878         (rs6000_expand_mtfsb_builtin): Likewise.
5879         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5880         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5881         (rs6000_invalid_builtin): Likewise.
5882         (rs6000_expand_split_stack_prologue): Likewise.
5883         * config/rs6000/rtems.h: Likewise.
5884         * config/rx/rx.c (valid_psw_flag): Likewise.
5885         (rx_expand_builtin): Likewise.
5886         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5887         * config/s390/s390.c (s390_expand_builtin): Likewise.
5888         (s390_function_profiler): Likewise.
5889         (s390_option_override_internal): Likewise.
5890         (s390_option_override): Likewise.
5891         * config/sh/sh.c (sh_option_override): Likewise.
5892         (sh_builtin_saveregs): Likewise.
5893         (sh_fix_range): Likewise.
5894         * config/sh/vxworks.h: Likewise.
5895         * config/sparc/sparc.c (sparc_option_override): Likewise.
5896         * config/spu/spu.c (spu_option_override): Likewise.
5897         (fix_range): Likewise.
5898         * config/visium/visium.c (visium_option_override): Likewise.
5899         (visium_handle_interrupt_attr): Likewise.
5900         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5901         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5902         (dbg_cnt_process_opt): Likewise.
5903         * dwarf2out.c (output_dwarf_version): Likewise.
5904         * except.c (expand_eh_return): Likewise.
5905         * gcc.c (defined): Likewise.
5906         (driver_handle_option): Likewise.
5907         (process_command): Likewise.
5908         (compare_files): Likewise.
5909         (driver::prepare_infiles): Likewise.
5910         (driver::do_spec_on_infiles): Likewise.
5911         (driver::maybe_run_linker): Likewise.
5912         * omp-offload.c (oacc_parse_default_dims): Likewise.
5913         * opts-global.c (handle_common_deferred_options): Likewise.
5914         * opts.c (parse_sanitizer_options): Likewise.
5915         (common_handle_option): Likewise.
5916         (enable_warning_as_error): Likewise.
5917         * passes.c (enable_disable_pass): Likewise.
5918         * plugin.c (parse_plugin_arg_opt): Likewise.
5919         (default_plugin_dir_name): Likewise.
5920         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5921         (default_pch_valid_p): Likewise.
5922         * toplev.c (init_asm_output): Likewise.
5923         (process_options): Likewise.
5924         (toplev::run_self_tests): Likewise.
5925         * tree-cfg.c (verify_gimple_call): Likewise.
5926         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5927         (tree_inlinable_function_p): Likewise.
5928         * var-tracking.c (vt_find_locations): Likewise.
5929
5930 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5931
5932         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5933         only on the else branch.
5934
5935 2019-03-11  Martin Liska  <mliska@suse.cz>
5936
5937         * gcov.c (output_intermediate_json_line): Print function
5938         name of each line.
5939         (output_json_intermediate_file): Add new argument.
5940         * doc/gcov.texi: Document the change.
5941
5942 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5943
5944         PR rtl-optimization/89588
5945         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5946         explicit unrolling factor more robust.
5947
5948 2019-03-11  Richard Biener  <rguenther@suse.de>
5949
5950         PR tree-optimization/89649
5951         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5952         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5953         on the prolog and epilog loops.
5954         (vect_loop_versioning): Return copy of loop.
5955         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5956         on the non-vectorized version of the loop.
5957
5958 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5959
5960         PR target/68924
5961         * config/i386/sse.md (*vec_extractv2di_0_sse):
5962         Add (=r,x) alternative and corresponding splitter.
5963
5964 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5965
5966         PR tree-optimization/85762
5967         PR tree-optimization/87008
5968         PR tree-optimization/85459
5969         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5970         it points to if there is a type changing MEM_REF.  Adjust all callers.
5971         (build_accesses_from_assign): Disable total scalarization if
5972         contains_vce_or_bfcref_p returns true through the new parameter, for
5973         both rhs and lhs.
5974
5975 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5976
5977         PR c/88568
5978         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5979         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5980
5981         PR target/79645
5982         * common.opt (fdiagnostics-show-labels,
5983         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5984         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5985         gas-locview-support, ginline-points, ginternal-reset-location-views):
5986         Terminate description text with a dot.
5987         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5988         * config/mcore/mcore.opt (m210, m340): Likewise.
5989         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5990         mnops=): Start description text with a capital letter.
5991         * config/arc/arc.opt (msize-level=): Likewise.
5992         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5993         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5994         mnewlib): Likewise.
5995         * config/ft32/ft32.opt (msim): Likewise.
5996         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5997         (mnodiv, mnopm): Terminate description text with a dot.
5998         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5999         a colon.
6000         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6001         Likewise.
6002         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6003         text.
6004
6005         PR rtl-optimization/89634
6006         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6007         are modified in BB_END (e->src) instruction.
6008
6009 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6010
6011         PR target/79926
6012         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6013         messages more amenable to translation, and improve wording.
6014
6015 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6016
6017         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6018         ud- and du-chains between phases.
6019
6020 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6021
6022         PR debug/89631
6023         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6024         instead of POLY_INT_CST.
6025
6026 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6027
6028         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6029         requirement.
6030
6031 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6032
6033         PR target/68924
6034         PR target/78782
6035         PR target/87558
6036         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6037         (_mm_storeu_si64): Ditto.
6038
6039 2019-03-08  Martin Liska  <mliska@suse.cz>
6040
6041         PR target/86952
6042         * config/i386/i386.c (ix86_option_override_internal): Disable
6043         jump tables when retpolines are used.
6044
6045 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6046
6047         PR go/63560
6048         * ipa-split.c (execute_split_functions): Do not split
6049         'noinline' or 'section' function.
6050
6051 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6052
6053         PR target/79846
6054         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6055         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6056         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6057
6058         PR ipa/80000
6059         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6060         from diagnostics.  Formatting fixes.
6061
6062         PR target/85665
6063         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6064         warn_odr diagnostics.
6065
6066         PR other/80058
6067         * lra-constraints.c (process_alt_operands): Avoid one space before
6068         " at the end of line and another after " on another line in a string
6069         literal.
6070         * attribs.c (handle_dll_attribute): Likewise.
6071         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6072
6073         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6074         warning_at or inform messages in G_() if there is no ?:.
6075
6076         PR tree-optimization/89550
6077         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6078         returned true.  Formatting fixes.
6079         (expand_builtin_strnlen): Formatting fixes.
6080         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6081         if warning_at returned true.
6082         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6083
6084 2019-03-08  Richard Biener  <rguenther@suse.de>
6085
6086         PR middle-end/89578
6087         * cfgloop.h (struct loop): Add owned_clique field.
6088         * cfgloopmanip.c (copy_loop_info): Copy it.
6089         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6090         cliques.
6091         * tree-inline.c (copy_loops): Remap owned_clique.
6092         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6093         * lto-streamer-out.c (output_cfg): Likewise.
6094
6095 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6096
6097         PR target/80190
6098         * config/darwin.c: Include intl.h.
6099         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6100         composing the message out of two separate parts.
6101
6102 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6103
6104         PR target/80003
6105         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6106         doesn't start with a capital letter and doesn't end with a dot.
6107         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6108         with a capital letter.
6109         (ix86_mangle_function_version_assembler_name): Likewise.
6110         (ix86_generate_version_dispatcher_body): Likewise.
6111         (fold_builtin_cpu): Likewise.
6112         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6113         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6114         translators, wrap full type name in %qs.
6115
6116         PR translation/79999
6117         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6118         depend clause with source (or sink) modifier.
6119         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6120
6121         PR target/89602
6122         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6123         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6124         (avx512f_load<mode>_mask): New define_expand.
6125         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6126         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6127         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6128         __builtin_ia32_movess_mask): New builtins.
6129         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6130         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6131         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6132         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6133
6134 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6135
6136         PR lto/87525
6137         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6138         for extern inline functions.
6139
6140 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6141
6142         PR ipa/88235
6143         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6144         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6145         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6146         have multiple callees.  At the end check if declarations match as
6147         opposed to cgraph_nodes.
6148
6149 2019-03-07  Martin Liska  <mliska@suse.cz>
6150
6151         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6152         which is equivalent to searching for this in clones chain.
6153         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6154         names with a neighbour and special case first node in a chain.
6155
6156 2019-01-25  Jason Merrill  <jason@redhat.com>
6157
6158         PR c++/80916 - spurious "static but not defined" warning.
6159         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6160         for an internal symbol with DECL_EXTERNAL.
6161
6162 2019-04-07  Richard Biener  <rguenther@suse.de>
6163
6164         PR middle-end/89618
6165         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6166         * tree-inline.c (copy_loops): Simplify.
6167
6168 2019-03-07  Martin Liska  <mliska@suse.cz>
6169
6170         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6171
6172 2019-03-07  Richard Biener  <rguenther@suse.de>
6173
6174         PR tree-optimization/89595
6175         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6176         stmt iterator as reference, take boolean output parameter to
6177         indicate whether the stmt was removed and thus the iterator
6178         already advanced.
6179         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6180         stmts created by folding.
6181
6182 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6183
6184         PR c++/89585
6185         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6186         at toplevel.
6187
6188 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6189
6190         PR rtl-optimization/88845
6191         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6192         LRA.
6193         * lra.c (remove_scratches_1): New function.
6194         (remove_scratches): Use it.
6195         (lra_emit_move): Likewise.
6196
6197 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6198
6199         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6200         unaligned_access variable.
6201         * config/arc/arc.c (arc_override_options): Set unaligned access
6202         default on for HS CPUs.
6203         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6204
6205 2019-03-06  Martin Liska  <mliska@suse.cz>
6206
6207         PR gcov-profile/89577
6208         * doc/gcov.texi: Prefer to use --coverage.
6209         * doc/sourcebuild.texi: Likewise.
6210
6211 2019-03-02  Jason Merrill  <jason@redhat.com>
6212
6213         PR c++/86485 - -Wmaybe-unused with empty class ?:
6214         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6215
6216 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6217
6218         PR target/89587
6219         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6220         if_multiarch.
6221
6222         PR middle-end/89590
6223         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6224         exactly one argument.
6225
6226 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6227             Richard Sandiford  <richard.sandiford@arm.com>
6228
6229         PR tree-optimization/89570
6230         * match.pd (vec_cond into cond_op simplification): Don't use
6231         get_conditional_internal_fn, use as_internal_fn (cond_op).
6232
6233 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6234
6235         PR target/89222
6236         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6237         to decide when to split off a non-zero offset from a symbol.
6238         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6239         in function symbols.
6240
6241 2019-03-05  Richard Biener  <rguenther@suse.de>
6242
6243         PR tree-optimization/89594
6244         * tree-if-conv.c (pass_if_conversion::execute): Handle
6245         case where .LOOP_VECTORIZED_FUNCTION was removed.
6246
6247 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6248
6249         PR bootstrap/89560
6250         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6251         instead alloca it only when needed with the needed size.
6252
6253         PR tree-optimization/89570
6254         * match.pd (vec_cond into cond_op simplification): Guard with
6255         vectorized_internal_fn_supported_p test and #if GIMPLE.
6256
6257         PR tree-optimization/89566
6258         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6259         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6260         Punt if get_user_idx_format succeeds, but idx_format argument is
6261         not provided or doesn't have pointer type, or if idx_args is above
6262         number of provided arguments.
6263
6264 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6265
6266         PR tree-optimization/89437
6267         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6268
6269 2019-03-04  Richard Biener  <rguenther@suse.de>
6270
6271         PR middle-end/89572
6272         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6273         safe_dyn_cast.
6274
6275 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6276
6277         PR tree-optimization/89487
6278         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6279         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6280         (distribute_loop): Don't do runtime alias check if there is non-
6281         addressable data reference.
6282         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6283         is a register variable.
6284
6285 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6286
6287         PR target/89506
6288         * config/arm/arm.md (cmpsi2_addneg): Use
6289         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6290         If operands[2] is 0 or INT_MIN, force use of subs.
6291         (*compare_scc splitter): Use gen_int_mode.
6292         (*negscc): Likewise.
6293         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6294
6295 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6296             Monk Chiang  <sh.chiang04@gmail.com>
6297
6298         * common/config/riscv/riscv-common.c: Include sstream.
6299         (riscv_subset_list::to_string): New.
6300         (riscv_arch_str): Likewise.
6301         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6302         * config.in: Regen.
6303         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6304         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6305         (riscv_emit_attribute): New.
6306         (riscv_file_start): Emit attribute if needed.
6307         (riscv_option_override): Init riscv_emit_attribute_p.
6308         * config/riscv/riscv.opt (mriscv-attribute): New option.
6309         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6310         * configure: Regen.
6311         * doc/install.texi: Document --with-riscv-attribute.
6312         * doc/invoke.texi: Document -mriscv-attribute.
6313
6314         * common/config/riscv/riscv-common.c:
6315         Include config/riscv/riscv-protos.h.
6316         (INCLUDE_STRING): Defined.
6317         (RISCV_DONT_CARE_VERSION): Defined.
6318         (riscv_subset_t): Declare.
6319         (riscv_subset_t::riscv_subset_t): New.
6320         (riscv_subset_list): Declare.
6321         (riscv_subset_list::riscv_subset_list): New.
6322         (riscv_subset_list::~riscv_subset_list): Likewise.
6323         (riscv_subset_list::parsing_subset_version): Likewise.
6324         (riscv_subset_list::parse_std_ext): Likewise.
6325         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6326         (riscv_subset_list::add): Likewise.
6327         (riscv_subset_list::lookup): Likewise.
6328         (riscv_subset_list::xlen): Likewise.
6329         (riscv_subset_list::parse): Likewise.
6330         (riscv_supported_std_ext): Likewise.
6331         (current_subset_list): Likewise.
6332         (riscv_parse_arch_string): Using riscv_subset_list::parse to
6333         parse.
6334
6335 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
6336
6337         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6338         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6339         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6340
6341 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
6342
6343         PR rtl-optimization/85899
6344         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6345         fallthru edges leading to the exit block.
6346
6347 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
6348
6349         PR target/89517
6350         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6351         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6352
6353 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
6354
6355         PR tree-optimization/89535
6356         * tree-vect-stmts.c (vectorizable_call): Record the vector types
6357         for each operand.  Calculate the fallback choice for mask operands
6358         and pass it to vect_get_vec_def_for_operand.
6359
6360 2019-03-01  Richard Biener  <rguenther@suse.de>
6361
6362         PR middle-end/89541
6363         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6364         get virtual operands.
6365         (get_expr_operands): Handle CONST_DECL like other decls.
6366
6367 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6368
6369         PR middle-end/89503
6370         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6371         on DECL_P and EXPR_P.
6372
6373 2019-03-01  Richard Biener  <rguenther@suse.de>
6374
6375         PR middle-end/89497
6376         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6377         argument, defaulted to zero.
6378         * passes.c (execute_function_todo): Pass down SSA update flags
6379         to cleanup_tree_cfg.
6380         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6381         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6382         form if requested.
6383         (cleanup_tree_cfg): Get and pass down SSA update flags.
6384
6385 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6386
6387         PR bootstrap/89539
6388         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6389         early_lto_debug argument.
6390
6391 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6392
6393         PR tree-optimization/89536
6394         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6395         only whether bit #0 of the value is 0 instead of the entire value.
6396
6397 2019-02-28  Marek Polacek  <polacek@redhat.com>
6398
6399         PR c++/87068 - missing diagnostic with fallthrough statement.
6400         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6401         at the end of a seq, save its location to walk_stmt_info.
6402         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6403         a switch.
6404
6405 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6406
6407         PR lto/88585
6408         * tree.c (find_atomic_core_type): Move ahead in file.
6409         (check_base_type): Correctly compare alignments of atomic types.
6410
6411 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6412
6413         PR target/89455
6414         * config/i386/i386.c (get_builtin_code_for_version): Identify
6415         Westmere from PCLMUL, instead of AES.
6416
6417 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6418
6419         PR target/89434
6420         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6421         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6422         -UINTVAL (...).
6423
6424 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6425
6426         PR target/88530
6427         * config/aarch64/aarch64-option-extensions.def: Document it.
6428         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6429         if empty hwcaps.
6430
6431 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6432
6433         PR c/89520
6434         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6435         builtins if they don't have a single scalar floating point argument.
6436         Formatting fixes.
6437
6438 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6439
6440         PR rtl-optimization/89490
6441         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6442         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6443         block section is not mergeable.
6444
6445 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6446
6447         PR target/70341
6448         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6449         old define_insn to ...
6450         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6451         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6452         Rename old define_insn to ...
6453         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6454         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6455         define_insn to ...
6456         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6457         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6458         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6459
6460 2019-02-27  Richard Biener  <rguenther@suse.de>
6461
6462         PR debug/88878
6463         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6464
6465 2019-02-27  Richard Biener  <rguenther@suse.de>
6466
6467         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6468         building.
6469
6470 2019-02-27  Richard Biener  <rguenther@suse.de>
6471
6472         PR debug/88878
6473         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6474         parameter, prefix section name with .gnu.debuglto_ if true.
6475         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6476         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6477
6478 2019-02-27  Richard Biener  <rguenther@suse.de>
6479
6480         PR debug/89514
6481         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6482         rather than on use_debug_types, doing what output_die does.
6483         (value_format): Likewise.
6484
6485 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6486             Martin Sebor  <msebor@redhat.com>
6487
6488         * doc/invoke.texi (Warning Options): Reword description of
6489         -Wno-absolute-value.
6490
6491 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6492
6493         PR tree-optimization/89280
6494         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6495         builtin_setjmp_setup_bb): New functions.
6496         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6497         When visiting __builtin_setjmp_setup block, queue in special
6498         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6499         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6500         from visited after the loop if they don't have any visited successor
6501         blocks.
6502
6503 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6504
6505         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6506         New function.
6507         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6508
6509 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6510
6511         PR c++/89507
6512         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6513         with types other than sizetype/ssizetype.
6514
6515 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6516
6517         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6518         (enum sparc_processor_type): ...this.
6519         (enum sparc_code_model_type): New enumeration type.
6520         (enum sparc_memory_model_type): Tweak comments.
6521         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6522         (mtune): Likewise.
6523         (mcmodel): Use sparc_code_model enumeration and variable.
6524         (sparc_code_model): New enumeration.
6525         (mdebug): Add Undocumented marker.
6526         * config/sparc/sparc.h (enum cmodel): Delete.
6527         (sparc_cmodel): Likewise.
6528         (TARGET_CM_MEDLOW): Adjust to above renaming.
6529         (TARGET_CM_MEDMID): Likewise.
6530         (TARGET_CM_MEDANY): Likewise.
6531         (TARGET_CM_EMBMEDANY): Likewise.
6532         * config/sparc/sparc.c (sparc_cmodel): Delete.
6533         (sparc_option_override): Remove string/value mapping support for the
6534         code model.  Move code and memory model support to after the handling
6535         of target flags.  Do private machine setup last.
6536         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6537         (sparc_legitimize_reload_address): Likewise.
6538         (sparc_output_mi_thunk): Likewise.
6539         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6540
6541 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6542
6543         PR tree-optimization/89500
6544         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6545         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6546         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6547         cst if the first cst bytes starting at x are known to be non-zero,
6548         even if the string is not zero terminated.  Don't try to modify
6549         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6550         we can prove strnlen returns the same value as strlen would.
6551
6552 2019-02-26  Martin Liska  <mliska@suse.cz>
6553
6554         * alloc-pool.h (struct pool_usage): Remove extra
6555         print_dash_line.
6556         * bitmap.h (struct bitmap_usage): Likewise.
6557         * ggc-common.c (struct ggc_usage): Likewise.
6558         * mem-stats.h (struct mem_usage): Likewise.
6559         (mem_alloc_description::dump): Print dash lines
6560         here and repeat header at the end of a table report.
6561         It's then more readable.
6562         * tree-phinodes.c (phinodes_print_statistics): Make
6563         horizontal alignment.
6564         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6565         * vec.c (struct vec_usage): Remove extra print_dash_line.
6566         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6567
6568 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6569
6570         * doc/extend.texi (__builtin_object_size):
6571         Use @pxref instead of @xref inside parenthesis.
6572         (__builtin_has_attribute): Add missing comma after @xref.
6573         (__builtin_object_size): Ditto.
6574         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6575         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6576         in the list.
6577
6578 2019-02-26  Jeff Law  <law@redhat.com>
6579
6580         PR rtl-optimization/87761
6581         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6582         detect obviously dead insns and delete them.
6583
6584 2019-02-26  Richard Biener  <rguenther@suse.de>
6585
6586         PR tree-optimization/89505
6587         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6588         to handle restrict pointed-to vars with multiple subvars
6589         correctly.
6590
6591 2019-02-26  Richard Biener  <rguenther@suse.de>
6592
6593         PR tree-optimization/89489
6594         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6595
6596 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6597
6598         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6599         and move around comment.
6600         <BIT_AND_EXPR>: Likewise.
6601         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6602
6603 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6604
6605         PR target/89474
6606         * config/i386/i386.c (remove_partial_avx_dependency): Call
6607         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6608         after changing possibly many instructions to use that pseudo.  Fix up
6609         insertion of v4sf_const0 setter at the start of bb.
6610
6611 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6612
6613         PR c/80409
6614         * doc/extend.texi (Variadic Pointer Args): New section.
6615
6616 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6617             Martin Sebor  <msebor@gmail.com>
6618
6619         * common.opt (Wattribute-alias): Likewise.
6620         * doc/invoke.texi (Option Summary): List general form of
6621         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6622         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6623         Add cross-references.
6624         (-Wattribute-alias): Rewrite and correct default.  Mention
6625         considered attributes (same as for -Wmissing-attributes).
6626
6627 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6628
6629         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6630         (_mm_cvtpd_ps): Likewise.
6631         (_mm_cvttpd_epi32): Likewise.
6632
6633         PR target/89338
6634         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6635         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6636
6637         PR target/89339
6638         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6639
6640 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6641
6642         PR target/88530
6643         * common/config/aarch64/aarch64-common.c
6644         (struct aarch64_option_extension): Add is_synthetic.
6645         (all_extensions): Use it.
6646         (TARGET_OPTION_INIT_STRUCT): Define hook.
6647         (struct gcc_targetm_common): Moved to end.
6648         (all_extensions_by_on): New.
6649         (opt_ext_cmp, typedef opt_ext): New.
6650         (aarch64_option_init_struct): New.
6651         (aarch64_contains_opt): New.
6652         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6653         * config/aarch64/aarch64-option-extensions.def
6654         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6655         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6656         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6657         Set is_synthetic to false.
6658         (crypto): Set is_synthetic to true.
6659         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6660         SYNTHETIC.
6661
6662 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6663
6664         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6665         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6666         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6667         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6668         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6669         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6670         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6671         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6672         Rename ...
6673         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6674         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6675         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6676         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6677         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6678         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6679         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6680         vfmlsl_laneq_high_f16): ... To this.
6681         * config/arm/neon.md: Update comments.
6682
6683 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6684
6685         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6686         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6687         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6688         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6689         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6690         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6691         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6692         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6693         Rename ...
6694         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6695         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6696         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6697         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6698         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6699         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6700         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6701         vfmlslq_laneq_high_f16): ... To this.
6702
6703 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6704
6705         PR rtl-optimization/86096
6706         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6707         comparing mw_order values.
6708
6709 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6710
6711         PR target/89434
6712         * config/arm/arm.md (*subsi3_carryin_const): Use
6713         arm_neg_immediate_operand predicate instead of
6714         arm_not_immediate_operand, "L" constraint instead of "K" and
6715         print it using %n2 instead of %B2.
6716         (*subsi3_carryin_const0): New define_insn.
6717         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6718         instead of arm_not_operand and "I" constraint instead of "K" and
6719         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6720         another match_operand and in the condition check that it is negation
6721         of operands[2].
6722         (*subsi3_carryin_compare_const0): New define_ins.
6723         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6724         *subsi3_carryin_const.
6725         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6726         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6727
6728         PR target/89438
6729         * config/arm.vfp.md (*negdf2_vfp): Use
6730         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6731         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6732
6733 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6734
6735         PR rtl-optimization/89445
6736         * simplify-rtx.c (simplify_ternary_operation): Don't use
6737         simplify_merge_mask on operands that may trap.
6738         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6739         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6740         second operand is CONST_VECTOR, check if any element could be zero.
6741         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6742         their operands can trap.
6743
6744 2019-02-23  Martin Sebor  <msebor@redhat.com>
6745
6746         * gimple-ssa-sprintf.c (target_strtol): Rename...
6747         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6748         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6749         check for range error.
6750
6751 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6752
6753         PR driver/69471
6754         * opts-common.c (prune_options): Also prune joined switches
6755         with Negative and RejectNegative.
6756         * config/i386/i386.opt (march=): Add Negative(march=).
6757         (mtune=): Add Negative(mtune=).
6758         * doc/options.texi: Document Negative used together with Joined
6759         and RejectNegative.
6760
6761 2019-02-22  Martin Sebor  <msebor@redhat.com>
6762
6763         * doc/extend.texi (Other Builtins): Add
6764         __builtin_is_constant_evaluated.
6765
6766 2019-02-22  Richard Biener  <rguenther@suse.de>
6767
6768         PR tree-optimization/87609
6769         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6770
6771 2019-02-22  Jeff Law  <law@redhat.com>
6772
6773         PR rtl-optimization/87761
6774         * config/mips/mips.md: Add new combiner pattern to recognize
6775         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6776
6777 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6778
6779         PR target/89324
6780         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6781         destination register in peepholes generating patterns for ADDS/SUBS.
6782         (add<mode>3_compare0,
6783         *addsi3_compare0_uxtw, add<mode>3_compareC,
6784         add<mode>3_compareV_imm, add<mode>3_compareV,
6785         *adds_<optab><ALLX:mode>_<GPI:mode>,
6786         *subs_<optab><ALLX:mode>_<GPI:mode>,
6787         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6788         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6789         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6790         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6791         sub<mode>3_compare1): Allow stack pointer for source register.
6792         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6793
6794 2019-02-22  Martin Sebor  <msebor@redhat.com>
6795
6796         PR tree-optimization/88993
6797         PR tree-optimization/88853
6798         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6799         New helper.
6800         (sprintf_dom_walker::call_info::is_string_func): New helper.
6801         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6802         for formatted string functions.
6803         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6804
6805 2019-02-22  Martin Sebor  <msebor@redhat.com>
6806
6807         PR c/89425
6808         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6809         unreachable subexpressions.
6810
6811 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6812             Hongtao Liu  <hongtao.liu@intel.com>
6813             Sunil K Pandey  <sunil.k.pandey@intel.com>
6814
6815         PR target/87007
6816         * config/i386/i386-passes.def: Add
6817         pass_remove_partial_avx_dependency.
6818         * config/i386/i386-protos.h
6819         (make_pass_remove_partial_avx_dependency): New.
6820         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6821         New function.
6822         (pass_data_remove_partial_avx_dependency): New.
6823         (pass_remove_partial_avx_dependency): Likewise.
6824         (make_pass_remove_partial_avx_dependency): Likewise.
6825         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6826         (*extendsfdf2): Add avx_partial_xmm_update.
6827         (truncdfsf2): Likewise.
6828         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6829         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6830
6831 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6832
6833         PR middle-end/85598
6834         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6835         analysis for pass.
6836
6837 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6838
6839         PR target/89444
6840         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6841         (PTA_SKYLAKE): Add PTA_AES.
6842         (PTA_GOLDMONT): Likewise.
6843
6844 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6845
6846         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6847         instruction if enabled.
6848         (aarch64_override_options): Remove reference to return address key.
6849
6850 2019-02-22  Richard Biener  <rguenther@suse.de>
6851
6852         PR tree-optimization/89440
6853         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6854         not necessary assert.
6855
6856 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6857
6858         PR fortran/72741
6859         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6860         (oacc_replace_fn_attrib_attr): ... this new function.
6861         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6862         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6863
6864 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6865
6866         * config/arm/arm-cpus.in (ares): Rename to...
6867         (neoverse-n1): ... This.  Add ares as alias.
6868         * config/arm/arm-tables.opt: Regenerate.
6869         * config/arm/arm-tune.md: Likewise.
6870         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6871
6872 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6873
6874         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6875         * config/aarch64/aarch64-tune.md: Regenerate.
6876         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6877
6878 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6879
6880         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6881         (neoversen1_tunings): ... This.
6882         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6883         (neoverse-n1): New CPU.
6884         * config/aarch64/aarch64-tune.md: Regenerate.
6885         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6886
6887 2019-02-22  Richard Biener  <rguenther@suse.de>
6888
6889         PR middle-end/87609
6890         * cfghooks.h (dependence_hash): New typedef.
6891         (struct copy_bb_data): New type.
6892         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6893         (duplicate_block): Likewise.
6894         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6895         (copy_bbs): Create and pass down copy_bb_data.
6896         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6897         (rtl_duplicate_bb): Likewise.
6898         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6899         remap dependence info.
6900
6901 2019-02-22  Richard Biener  <rguenther@suse.de>
6902
6903         PR tree-optimization/87609
6904         * tree-core.h (tree_base): Document special clique values.
6905         * tree-inline.c (remap_dependence_clique): Do not use the
6906         special clique value of one.
6907         (maybe_set_dependence_info): Use clique one.
6908         (clear_dependence_clique): New callback.
6909         (compute_dependence_clique): Clear clique one from all refs
6910         before assigning it (again).
6911
6912 2019-02-21  Martin Sebor  <msebor@redhat.com>
6913
6914         * doc/extend.texi (__clear_cache): Correct signature.
6915
6916 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6917
6918         PR go/89170
6919         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6920         than output_constant_def.
6921         (add_constant_to_table): New static function.
6922         (output_constant_def): Call add_constant_to_table.
6923         (tree_output_constant_def): Likewise.
6924
6925 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6926
6927         PR c++/89285
6928         * builtins.c (fold_builtin_arith_overflow): If first two args are
6929         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6930         to ifn.
6931
6932 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6933
6934         PR target/87412
6935         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6936         error for -mindirect-branch/-mfunction-return with incompatible
6937         -fcf-protection.
6938
6939 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6940
6941         PR bootstrap/88714
6942         * constraints.md (q): Remove.
6943         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6944         instead of q.
6945
6946 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6947
6948         PR hsa/89302
6949         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6950         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6951         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6952         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6953         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6954         proper values to new parameters of omp_adjust_for_condition.
6955
6956 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6957
6958         PR middle-end/89412
6959         * expr.c (expand_assignment): If result is a MEM, use change_address
6960         instead of simplify_gen_subreg.
6961
6962 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6963             David Malcolm  <dmalcolm@redhat.com>
6964
6965         PR middle-end/89091
6966         * fold-const.c (decode_field_reference): Return NULL_TREE if
6967         lang_hooks.types.type_for_size returns NULL.  Check it before
6968         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6969
6970 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6971
6972         PR middle-end/88074
6973         PR middle-end/89415
6974         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6975         buggy mpc_norm.
6976
6977 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6978
6979         PR target/89397
6980         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6981         TARGET_SSE in addition to TARGET_SSE_MATH.
6982
6983         (ix86_excess_precision): Ditto.
6984         (ix86_float_exceptions_rounding_supported_p): Ditto.
6985         (use_rsqrt_p): Ditto.
6986         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6987
6988 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6989
6990         PR c/89410
6991         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6992         linenum_arith_t when determining if two adjacent line spans are
6993         close enough to merge.
6994         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6995         lines within each line_span.
6996
6997 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6998
6999         PR target/86487
7000         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7001         paradoxical SUBREGS.
7002
7003 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7004
7005         PR target/88100
7006         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7007         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7008         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7009         range checking it.
7010
7011 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7012
7013         * config/gcn/gcn.c (print_operand): Fix typo.
7014
7015 2019-02-19  Richard Biener  <rguenther@suse.de>
7016
7017         PR middle-end/88074
7018         * toplev.c (do_compile): Initialize mpfr's exponent range
7019         based on available float modes.
7020
7021 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7022
7023         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7024         as long as the epilogue isn't completed.
7025
7026 2019-02-18  Martin Sebor  <msebor@redhat.com>
7027
7028         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7029         __has_cpp_attribute, and __has_include.
7030
7031 2019-02-18  Martin Sebor  <msebor@redhat.com>
7032
7033         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7034
7035 2019-02-18  Martin Sebor  <msebor@redhat.com>
7036
7037         PR middle-end/89294
7038         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7039         expression.
7040         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7041
7042 2019-02-18  Richard Biener  <rguenther@suse.de>
7043
7044         PR tree-optimization/89296
7045         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7046         of no-warning flag to cases that might emit the bogus warning.
7047
7048 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7049
7050         PR bootstrap/88714
7051         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7052         "q" constraint.
7053         * config/arm/vfp.md (*movdi_vfp): Likewise.
7054         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7055         "q" constraint for operands[0].
7056
7057         PR target/89369
7058         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7059         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7060         pattern in a temporary buffer.
7061         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7062         than 64-operands[2].
7063
7064         PR target/89361
7065         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7066         s390_indirect_branch_settings): Define unconditionally.
7067         (s390_set_current_function): Likewise, but guard the whole body except
7068         the s390_indirect_branch_settings call with
7069         #if S390_USE_TARGET_ATTRIBUTE.
7070         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7071
7072         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7073         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7074         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7075         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7076         HOST_WIDE_INT_1U instead of 1ULL.
7077         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7078         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7079         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7080         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7081         instead of 1UL.
7082         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7083         instead of 1ul.
7084
7085 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7086
7087         PR tree-optimization/89209
7088         * tree-sra.c (create_access_replacement): New optional parameter
7089         reg_tree.  Use it as a type if non-NULL and access type is not of
7090         a register type.
7091         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7092         to create_access_replacement.
7093         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7094         Check lacc is non-NULL before attempting to re-create it on the RHS.
7095
7096 2019-02-18  Martin Liska  <mliska@suse.cz>
7097
7098         PR ipa/89306
7099         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7100         by default.
7101         (symbol_table::free_edge): Recycle m_summary_id.
7102         * cgraph.h (get_summary_id): New.
7103         (symbol_table::release_symbol): Set m_summary_id to -1
7104         by default.
7105         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7106         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7107         function_summary to fast_function_summary.
7108         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7109         * ipa-pure-const.c (class funct_state_summary_t):
7110         Switch from function_summary to fast_function_summary.
7111         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7112         (class ipa_ref_opt_summary_t): Switch from function_summary
7113         to fast_function_summary.
7114         * symbol-summary.h (class function_summary_base): New class
7115         that is created from base of former function_summary.
7116         (function_summary_base::unregister_hooks): New.
7117         (class function_summary): Inherit from function_summary_base.
7118         (class call_summary_base): New class
7119         that is created from base of former call_summary.
7120         (class call_summary): Inherit from call_summary_base.
7121         (struct is_same): New.
7122         (class fast_function_summary): New summary class.
7123         (class fast_call_summary): New summary class.
7124         * vec.h (vec_safe_grow_cleared): New function.
7125
7126 2019-02-18  Martin Liska  <mliska@suse.cz>
7127
7128         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7129         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7130         * doc/tm.texi: Document new target hook.
7131         * doc/tm.texi.in: Likewise.
7132         * target.def: Add new target macro.
7133         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7134         suffixes.
7135
7136 2019-02-17  Alan Modra  <amodra@gmail.com>
7137
7138         PR target/89271
7139         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7140         output reg on add insn.
7141         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7142
7143 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7144
7145         PR target/89372
7146         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7147         (PMULHRSW): Likewise.
7148         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7149         TARGET_AVX2.
7150         (ssse3_pmulhrswv4hi3): New expander.
7151
7152 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7153
7154         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7155         MMX.  Add isa attribute.
7156
7157 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7158
7159         PR rtl-optimization/66152
7160         * builtins.h (c_readstr): Declare.
7161         * builtins.c (c_readstr): Remove forward declaration.  Add
7162         null_terminated_p argument, if false, read all bytes from the
7163         string instead of stopping after '\0'.
7164         * expr.c (string_cst_read_str): New function.
7165         (store_expr): Use string_cst_read_str instead of
7166         builtin_strncpy_read_str.  Try to store by pieces the whole
7167         exp_len first, and only if that fails, split it up into
7168         store by pieces followed by clear_storage.  Formatting fix.
7169
7170         * config/i386/i386.md (*movqi_internal): Remove static from
7171         buf variable.  Use output_asm_insn (buf, operands); return "";
7172         instead of return buf;.
7173         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7174         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7175         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7176
7177 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7178
7179         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7180         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7181         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7182         (CC1_SPEC): Likewise.
7183         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7184
7185 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7186
7187         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7188         the base address on 64-bit strict-alignment platforms.
7189
7190 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7191
7192         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7193
7194 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7195
7196         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7197
7198 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7199
7200         PR rtl-optimization/88308
7201         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7202         on copied instruction.
7203
7204 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7205
7206         * final.c (insn_current_reference_address): Replace test on JUMP_P
7207         with test on jump_to_label_p.
7208         * config/visium/visium-passes.def: New file.
7209         * config/visium/t-visium (PASSES_EXTRA): Define.
7210         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7211         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7212         (TRAMPOLINE_ALIGNMENT): Define.
7213         * config/visium/visium.c (visium_option_override): Do not register
7214         the machine-specific reorg pass here.
7215         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7216         for the GR6.
7217         (output_branch): Adjust threshold for long branch instruction.
7218         * config/visium/visium.md (cpu): Move around.
7219         (length): Adjust for the GR6.
7220
7221 2019-02-15  Richard Biener  <rguenther@suse.de>
7222             Jakub Jelinek  <jakub@redhat.com>
7223
7224         PR tree-optimization/89278
7225         * tree-loop-distribution.c: Include tree-eh.h.
7226         (generate_memset_builtin, generate_memcpy_builtin): Call
7227         rewrite_to_non_trapping_overflow on builtin->size before passing it
7228         to force_gimple_operand_gsi.
7229
7230 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7231
7232         PR other/89342
7233         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7234         optimize_debug.
7235         * opth-gen.awk: Likewise.
7236
7237 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7238
7239         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7240         Enable MMX, SSE and SSE2 by default.
7241         * config/i386/i386.c (ix86_option_override_internal): Do not
7242         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7243
7244 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7245
7246         PR rtl-optimization/89354
7247         * combine.c (make_extraction): Punt if extraction_mode is narrower
7248         than len bits.
7249
7250 2019-02-14  Maya Rashish  <coypu@sdf.org>
7251
7252         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7253         * config/netbsd-d.c: New file.
7254         * config/t-netbsd: Add netbsd-d.o
7255
7256 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7257
7258         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7259         affects_type_identity to true for aarch64_vector_pcs.
7260         (aarch64_comp_type_attributes): New function.
7261         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7262
7263 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7264
7265         PR target/88850
7266         * config/arm/iterators.md (ANY64): Add V4HF.
7267
7268 2019-02-14  Martin Liska  <mliska@suse.cz>
7269
7270         PR rtl-optimization/89242
7271         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7272         process a transformation.
7273
7274 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7275
7276         PR tree-optimization/89314
7277         * fold-const.c (fold_binary_loc): Cast strlen argument to
7278         const char * before dereferencing it.  Formatting fixes.
7279
7280         PR middle-end/89284
7281         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7282
7283 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7284
7285         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7286         and set current index for other optimizations.
7287
7288 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7289
7290         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7291         nonimmediate_operand as operand 2 predicate.
7292         (vec_set<VF2_512_256:mode>_0): Ditto.
7293         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7294         (*vec_concatv2si): Remove alternative 2.
7295         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7296         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7297         (vec_concatv2di): Split alternatives 4,5,6 to ...
7298         (*vec_concatv2di_0) ... new pattern.
7299
7300 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7301
7302         PR target/89190
7303         * config/arm/arm.c (ldm_stm_operation_p) Set
7304         addr_reg_in_reglist correctly for first register.
7305         (load_multiple_sequence): Remove dead base check.
7306         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7307
7308 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7309
7310         PR target/88847
7311         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7312         Expose as @aarch64_pred_mov.
7313         * config/aarch64/aarch64.c (aarch64_classify_address):
7314         Use expand_insn which legitimizes operands.
7315
7316 2019-02-13  Martin Liska  <mliska@suse.cz>
7317
7318         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7319         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7320         and pointer_offset fields.
7321         (initialize_argument_information): Remove usage of dead
7322         fields.
7323         * cgraph.h (struct cgraph_thunk_info): Remove
7324         add_pointer_bounds_args.
7325         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7326         fields.
7327         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7328         fields.
7329         * config/i386/i386.c (ix86_function_arg_advance): Remove
7330         unrelated comment.
7331         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7332         (def_builtin):  Remove usage of dead
7333         fields.
7334         (ix86_add_new_builtins): Likewise.
7335         * ipa-fnsummary.c (compute_fn_summary): Likewise.
7336         * ipa-icf.c (sem_function::equals_wpa): Likewise.
7337         (sem_function::init): Likewise.
7338         (sem_variable::merge): Likewise.
7339         * ipa-visibility.c (function_and_variable_visibility): Likewise.
7340         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7341         * lto-cgraph.c (lto_output_node): Likewise.
7342         (lto_output_varpool_node): Likewise.
7343         (input_node): Likewise.
7344         (input_varpool_node): Likewise.
7345         * lto-streamer-out.c (lto_output): Likewise.
7346         * tree-inline.c (expand_call_inline): Remove usage of
7347         assign_stmts.
7348         * tree-inline.h (struct copy_body_data): Likewise.
7349         * varpool.c (varpool_node::dump): Likewise.
7350
7351 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
7352
7353         PR middle-end/89303
7354         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7355         into pt->vars_contains_escaped_heap instead of setting
7356         pt->vars_contains_escaped_heap to it.
7357
7358         PR middle-end/89281
7359         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7360         INTVAL (size), compare it to GET_MODE_MASK instead of
7361         1 << GET_MODE_BITSIZE.
7362
7363         PR target/89290
7364         * config/i386/predicates.md (x86_64_immediate_operand): Allow
7365         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7366         -mcmodel=large.
7367
7368 2019-02-13  Martin Liska  <mliska@suse.cz>
7369
7370         PR lto/88858
7371         * cfgrtl.c (remove_barriers_from_footer): New function.
7372         (try_redirect_by_replacing_jump): Use it.
7373         (cfg_layout_redirect_edge_and_branch): Likewise.
7374
7375 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7376
7377         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7378         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7379         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7380         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7381         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7382         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7383         New BU_CRYPTO_2.
7384         * config/rs6000/rs6000.c (builtin_function_type)
7385         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7386         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7387         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7388         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7389         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7390
7391 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
7392
7393         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7394         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7395
7396 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7397
7398         PR target/89229
7399         * config/i386/i386.md (*movoi_internal_avx): Revert revision
7400         268678 and revision 268657.
7401         (*movti_internal): Likewise.
7402
7403 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7404
7405         PR target/89233
7406         * config/s390/s390.c (s390_decompose_address): Update comment.
7407         (s390_check_qrst_address): Reject invalid address forms after
7408         LRA.
7409
7410 2019-02-12  Martin Liska  <mliska@suse.cz>
7411
7412         PR lto/88876
7413         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7414         we need default values of funct_state for a function that
7415         is not optimized.
7416
7417 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7418
7419         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7420         the object to pick the size of stores on strict-alignment platforms.
7421
7422         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7423         (*movdi_insn_sp32): Likewise.
7424         (*movdi_insn_sp64): Likewise.
7425
7426 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7427
7428         PR lto/88677
7429         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7430         types that needs constructiong.
7431         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7432
7433 2019-02-12  Richard Biener  <rguenther@suse.de>
7434
7435         PR tree-optimization/89253
7436         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7437         duplicate the loop.
7438
7439 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7440
7441         PR lto/88147
7442         * input.c (selftest::test_line_offset_overflow): New selftest.
7443         (selftest::input_c_tests): Call it.
7444
7445 2019-02-11  Martin Sebor  <msebor@redhat.com>
7446
7447         PR tree-optimization/88771
7448         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7449         when -Wstringop-overflow is set.
7450         (builtin_memref::builtin_memref): Adjust excessive upper bound
7451         only when lower bound is not excessive.
7452         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7453         -Wstringop-ovefflow.
7454         (maybe_diag_offset_bounds): Rename...
7455         (maybe_diag_access_bounds): ...to this.
7456         (check_bounds_or_overlap): Adjust for name change above.
7457
7458 2019-02-11  Martin Sebor  <msebor@redhat.com>
7459
7460         PR c++/87996
7461         * builtins.c (max_object_size): Move from here...
7462         * builtins.h (max_object_size): ...and here...
7463         * tree.c (max_object_size): ...to here...
7464         * tree.h (max_object_size): ...and here.
7465
7466 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7467
7468         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7469         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7470         for correct semantics.
7471
7472 2019-02-11  Alan Modra  <amodra@gmail.com>
7473
7474         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7475         -mlongcall and -mpltseq.
7476         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7477         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7478         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7479         * config/rs6000/sysv4.opt (mpltseq): New option.
7480         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7481         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7482         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7483         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7484         -mpltseq given for ELFv1.
7485         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7486         Only use UNSPEC_PLTSEQ for inline PLT calls.
7487         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7488         use UNSPEC_PLTSEQ for inline PLT calls.
7489         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7490         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7491         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7492         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7493         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7494         (pltseq_mtctr_<mode>): Likewise.
7495
7496 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7497
7498         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7499         Solaris ld.
7500         * configure: Regenerate.
7501
7502 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7503
7504         PR bootstrap/88714
7505         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7506         instead of r.
7507
7508 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7509
7510         * function.c (assign_parm_setup_block): Use the stored
7511         size, not the passed size, when allocating stack-space,
7512         also for a parameter with alignment larger than
7513         MAX_SUPPORTED_STACK_ALIGNMENT.
7514
7515 2019-02-11  Martin Liska  <mliska@suse.cz>
7516
7517         PR ipa/89009
7518         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7519         * ipa-inline.c (inline_small_functions): Likewise.
7520         * ipa-pure-const.c (propagate_pure_const): Likewise.
7521         (propagate_nothrow): Likewise.
7522         * ipa-reference.c (propagate): Likewise.
7523         * ipa-utils.c (struct searchc_env): Remove unused field.
7524         (searchc): Always search across AVAIL_INTERPOSABLE.
7525         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7526         the only called IPA pure const can properly not propagate
7527         across interposable boundary.
7528         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7529
7530 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7531
7532         * config/nds32/nds32.md (call_internal, call_value_internal,
7533         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7534
7535 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7536
7537         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7538         typo.
7539
7540 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7541
7542         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7543         in comments
7544
7545 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7546
7547         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7548
7549 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7550
7551         PR tree-optimization/89268
7552         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7553         if preds is non-NULL.
7554
7555 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7556
7557         PR lto/89272
7558         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7559         polymorphic types.
7560
7561 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7562
7563         * config/nds32/nds32.md (trap): New pattern.
7564
7565 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7566
7567         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7568         dwarf span.
7569
7570 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7571
7572         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7573         to split POST_INC.
7574
7575 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7576
7577         * ipa-visibility.c (localize_node): Also do not localize
7578         LDPR_PREVAILING_DEF_IRONLY_EXP.
7579
7580 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7581
7582         PR lto/87957
7583         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7584         instead of type_with_linkage.
7585
7586 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7587
7588         PR ipa/88755
7589         * params.def (uninlined-function-insns, uninlined-function-time,
7590         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7591         bound so we don't get overflows.
7592
7593 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7594
7595         * config/rs6000/rs6000-string.c (expand_compare_loop,
7596         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7597         memcmp/strncmp.
7598
7599 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7600
7601         PR middle-end/89246
7602         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7603         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7604         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7605
7606 2019-02-09  Alan Modra  <amodra@gmail.com>
7607
7608         PR target/88343
7609         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7610         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7611         setup.
7612
7613 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7614
7615         PR middle-end/88560
7616         * lra-constraints.c (process_alt_operands): Don't increase reject
7617         for memory when offset memory is required.
7618
7619 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7620
7621         * config/s390/vector.md: Implement vector copysign.
7622
7623 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7624
7625         * expr.c (expand_constructor): Correct indentations.
7626
7627 2019-02-08  Richard Biener  <rguenther@suse.de>
7628
7629         PR tree-optimization/89247
7630         * tree-if-conv.c: Include tree-cfgcleanup.h.
7631         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7632         (tree_if_conversion): Pass through predicate vector.
7633         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7634         inline, see if any if-converted loops we refrece in
7635         LOOP_VECTORIZED calls vanished and fixup.
7636         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7637
7638 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7639
7640         * config/s390/constraints.md (jdd): New constraint.
7641
7642 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7643
7644         PR target/89229
7645         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7646         upper 16 vector registers without TARGET_AVX512VL.
7647         (*movti_internal): Likewise.
7648
7649 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR rtl-optimization/89234
7652         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7653         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7654         (copy_reg_eh_region_note_backward): Likewise.
7655
7656 2019-02-08  Richard Biener  <rguenther@suse.de>
7657
7658         PR middle-end/89223
7659         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7660         doesn't fit in HWI.
7661         (analyze_subscript_affine_affine): Handle failure from
7662         initialize_matrix_A.
7663
7664 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7665
7666         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7667         cfun everywhere.
7668
7669 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7670
7671         PR tree-optimization/86637
7672         PR tree-optimization/89235
7673         * tree-vect-loop.c (optimize_mask_stores): Add an
7674         auto_purge_vect_location sentinel to ensure that vect_location is
7675         purged on exit.
7676         * tree-vectorizer.c
7677         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7678         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7679         to ensure that vect_location is purged on exit.
7680         (pass_slp_vectorize::execute): Likewise, replacing the manual
7681         reset.
7682         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7683
7684 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7685
7686         * config/aarch64/iterators.md (max_opp): New code_attr.
7687         (USMAX): New code iterator.
7688         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7689         (aarch64_smax): Likewise.
7690         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7691         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7692         MINUS (MAX MIN).
7693
7694 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7695
7696         PR target/89229
7697         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7698         for TARGET_AVX512VL.
7699         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7700
7701 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7702
7703         * config/s390/s390-builtin-types.def: Add new types.
7704         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7705         (s390_vec_xlw4): Make the memory operand into a const pointer.
7706         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7707         float.
7708         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7709         a new vector type with the alignment of the scalar memory operand.
7710
7711 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7712             Jakub Jelinek  <jakub@redhat.com>
7713
7714         PR bootstrap/88714
7715         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7716         arm_count_ldrdstrd_insns): New declarations.
7717         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7718         MINUS.
7719         (valid_operands_ldrd_strd): New function.
7720         (arm_count_ldrdstrd_insns): New function.
7721         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7722         sets instead of single DImode set and define new insns to match this.
7723
7724 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7725
7726         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7727         Make it a C initializer.
7728
7729 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7730
7731         PR/target 88850
7732         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7733
7734 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7735
7736         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7737         Use neon_dot<q> for type.
7738         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7739
7740 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7741
7742         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7743         Use neon_dot<q> for type.
7744         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7745         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7746
7747 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7748
7749         PR rtl-optimization/89225
7750         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7751         sizes check.
7752
7753 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7754
7755         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7756         after restoring registers saved to allocate the frame on Windows.
7757
7758 2019-02-06  Richard Biener  <rguenther@suse.de>
7759
7760         PR tree-optimization/89182
7761         * graphite.h (cached_scalar_evolution_in_region): Declare.
7762         * graphite.c (struct seir_cache_key): New.
7763         (struct sese_scev_hash): Likewise.
7764         (seir_cache): New global.
7765         (cached_scalar_evolution_in_region): New function.
7766         (graphite_transform_loops): Allocate and release seir_cache.
7767         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7768         cached_scalar_evolution_in_region.
7769         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7770         Simplify.
7771         (scop_detection::graphite_can_represent_expr: Use
7772         cached_scalar_evolution_in_region.
7773         (scop_detection::stmt_simple_for_scop_p): Likewise.
7774         (find_params_in_bb): Likewise.
7775         (gather_bbs::before_dom_children): Likewise.
7776         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7777         (add_loop_constraints): Likewise.
7778
7779 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7780
7781         PR middle-end/89210
7782         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7783         operand to new_unary_operation only if both element types are integral
7784         and it isn't a widening conversion.  Return NULL_TREE if
7785         new_unary_operation failed.
7786
7787 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7788
7789         PR target/88856
7790         * config/s390/s390.md: Remove load and test FP splitter.
7791
7792 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7793
7794         PR target/89112
7795         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7796         expand_compare_loop, expand_block_compare_gpr,
7797         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7798         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7799         #include "profile-count.h" and "predict.h" for types and functions
7800         needed to work with REG_BR_PROB notes.
7801
7802 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7803
7804         PR target/89112
7805         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7806         for the long branch case.
7807
7808 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7809
7810         PR target/89188
7811         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7812         can throw, non-call exceptions are enabled and we can't delete
7813         dead exceptions or alter cfg.  Set must_clean if
7814         delete_insn_and_edges returns true, don't set it blindly for calls.
7815         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7816
7817         PR rtl-optimization/89195
7818         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7819         of the original MEM.
7820
7821 2019-02-05  Martin Liska  <mliska@suse.cz>
7822
7823         PR gcov-profile/89000
7824         * gcov.c (function_summary): Remove argument.
7825         (file_summary): New function.
7826         (print_usage): Replace tabs with spaces.
7827         (generate_results): Use new function file_summary.
7828
7829 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7830
7831         PR target/89186
7832         * optabs.c (prepare_cmp_insn): Pass x and y to
7833         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7834
7835 2019-02-05  Richard Biener  <rguenther@suse.de>
7836
7837         PR middle-end/89150
7838         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7839         (struct bitmap_element): Drop chain_prev so we properly recurse on
7840         the prev member, supporting tree views.
7841         (struct bitmap_head): GTY skip the obstack member.
7842
7843 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7844
7845         PR c/88698
7846         * doc/extend.texi (Vector Extensions): Add an example of using vector
7847         types together with x86 intrinsics.
7848
7849 2019-02-04  Alan Modra  <amodra@gmail.com>
7850
7851         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7852         str[] size to 160, and comment.
7853
7854 2019-02-04  Alan Modra  <amodra@gmail.com>
7855
7856         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7857         (rs6000_pltseq_template): Guard output of TLS markers with
7858         TARGET_TLS_MARKERS.
7859         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7860         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7861         to use inline PLT sequences.
7862         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7863         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7864         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7865
7866 2019-02-04  Martin Liska  <mliska@suse.cz>
7867
7868         PR ipa/88985
7869         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7870         out when ipa_fn_summaries does not contain entry for callee.
7871
7872 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7873
7874         * config/sparc/sparc.h: Remove superfluous blank lines.
7875         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7876         (got_register_rtx): ...this.
7877         (sparc_got): Adjust to above renaming.
7878         (sparc_tls_got): Likewise.
7879         (sparc_delegitimize_address): Likewise.
7880         (sparc_output_mi_thunk): Likewise.
7881         (sparc_init_pic_reg): Likewise.
7882         (save_local_or_in_reg_p): Fix test on the GOT register.
7883         (USE_HIDDEN_LINKONCE): Move around.
7884         (get_pc_thunk_name): Likewise.
7885         (gen_load_pcrel_sym): Likewise.
7886         (load_got_register): Likewise.
7887
7888 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7889
7890         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7891         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7892
7893 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7894
7895         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7896         into consideration.
7897
7898 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7899
7900         * config.gcc (with_nds32_lib, glibc):
7901         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7902         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7903         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7904
7905 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7906
7907         PR target/89071
7908         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7909         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7910         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7911         (*rcpsf2_sse): Ditto.
7912         (*rsqrtsf2_sse): Ditto.
7913         (sse4_1_round<mode<2): Ditto.
7914
7915 2019-02-03  Richard Biener  <rguenther@suse.de>
7916
7917         PR debug/87295
7918         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7919         orig.
7920
7921 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7922
7923         PR middle-end/87887
7924         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7925         Punt with warning on aggregate return or argument types.  Ignore
7926         type/mode checking for uniform arguments.
7927
7928 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7929
7930         * combine.c (try_combine): Do not print "Can't combine" messages unless
7931         printing failed combination attempts.
7932
7933 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7934
7935         PR hsa/87863
7936         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7937         segment and global segment variables before making them static.
7938
7939 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7940
7941         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7942         missed optimization dump with dump_enabled_p.
7943
7944 2019-02-01  Richard Biener  <rguenther@suse.de>
7945
7946         PR middle-end/88597
7947         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7948         the instantiate cache.
7949         (instantiate_scev_binary): Elide second operand procesing
7950         if equal to the first.
7951         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7952         (chrec_contains_undetermined): Likewise.
7953         (tree_contains_chrecs): Likewise.
7954
7955 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7956
7957         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7958
7959 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7960
7961         PR tree-optimization/89143
7962         * wide-int-range.h (wide_int_range_absu): Declare.
7963         * wide-int-range.cc (wide_int_range_absu): New function.
7964         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7965
7966         PR tree-optimization/88107
7967         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7968         instead of assertion that eh_region_outermost is non-NULL, if it
7969         is NULL, set *ALL to true and return NULL.
7970         (move_sese_region_to_fn): Adjust caller, if all is set, call
7971         duplicate_eh_regions with NULL region.
7972
7973 2019-02-01  Richard Biener  <rguenth@suse.de>
7974
7975         PR rtl-optimization/88593
7976         * mode-switching.c (optimize_mode_switching): Free dominators before
7977         calling cleanup_cfg.
7978
7979 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7980
7981         PR tree-optimization/88932
7982         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7983
7984 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7985
7986         PR middle-end/89137
7987         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7988         bogus clang warning.
7989
7990 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7991
7992         PR target/89071
7993         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7994         alternative to avoid partial SSE register stall for TARGET_AVX.
7995         (truncdfsf2): Ditto.
7996         (sse4_1_round<mode>2): Ditto.
7997
7998 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7999
8000         PR tree-optimization/89008
8001         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8002         process anything of the form X * 0.
8003
8004 2019-01-31  Richard Biener  <rguenther@suse.de>
8005
8006         PR tree-optimization/89135
8007         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8008         with abnormal preds.
8009
8010 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8011
8012         PR sanitizer/89124
8013         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8014         always_inline callees into no_sanitize_address callers.
8015
8016 2019-01-31  Richard Biener  <rguenther@suse.de>
8017
8018         PR rtl-optimization/89115
8019         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8020
8021 2019-01-30  Martin Sebor  <msebor@redhat.com>
8022
8023         PR other/89106
8024         * doc/extend.texi (cast to a union): Correct and expand.
8025
8026 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8027
8028         PR rtl-optimization/87246
8029         * lra-constraints.c (simplify_operand_subreg): Reload memory
8030         in subreg if the address became invalid.
8031
8032 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8033
8034         PR target/87064
8035         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8036         Disable for little-endian.
8037
8038 2019-01-30  Richard Biener  <rguenther@suse.de>
8039
8040         PR rtl-optimization/89115
8041         * opts.c (default_options_optimization): Reduce
8042         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8043         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8044         to the default.
8045
8046 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8047
8048         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8049         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8050         type of vector element when vec_extract is implemented by direct
8051         move.
8052
8053 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8054
8055         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8056
8057 2019-01-30  Richard Biener  <rguenther@suse.de>
8058
8059         PR tree-optimization/89111
8060         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8061         canonicalization to appropriately sized access types.
8062
8063 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8064
8065         PR c++/89105
8066         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8067         for arguments to functions that are TU-local and shouldn't be
8068         referenced by assembly.
8069
8070 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8071
8072         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8073         after '='.
8074
8075 2019-01-29  Martin Sebor  <msebor@redhat.com>
8076
8077         PR c/88956
8078         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8079
8080 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8081
8082         PR c++/66676
8083         PR ipa/89104
8084         * omp-simd-clone.c (simd_clone_clauses_extract)
8085         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8086         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8087
8088 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8089
8090         * config.gcc: Force .init_array for ARC.
8091
8092 2019-01-29  Richard Biener  <rguenther@suse.de>
8093
8094         PR debug/87295
8095         * dwarf2out.c (collect_skeleton_dies): New helper.
8096         (copy_decls_for_unworthy_types): Call it.
8097         (build_abbrev_table): Assert we do not try to replace
8098         DW_AT_signature refs with local refs.
8099
8100 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8101
8102         PR middle-end/89002
8103         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8104         for lastprivate/linear IV, push gimplify context around gimplify_assign
8105         and, if it needed any temporaries, pop it into a gimple bind around the
8106         sequence.
8107
8108 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8109
8110         * common.opt (-Wattribute-alias): Remove "no-" from name.
8111         Make -Wattribute-alias command line option and
8112         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8113
8114 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8115
8116         PR target/89073
8117         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8118         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8119         x86 ISA options.
8120         (bmi2): Add missing @opindex.
8121         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8122         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8123         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8124         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8125         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8126         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8127         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8128         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8129         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8130         xsavec, xsaveopt and xsaves options.
8131
8132 2019-01-28  Richard Biener  <rguenther@suse.de>
8133
8134         PR debug/89076
8135         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8136         support removal.
8137
8138 2019-01-28  Richard Biener  <rguenther@suse.de>
8139
8140         PR tree-optimization/88739
8141         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8142         BIT_FIELD_REFs only are applied to mode-precision operands
8143         when they are integral.
8144         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8145         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8146         BIT_FIELD_REFs of non-mode-precision integral operands.
8147
8148 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8149
8150         PR target/87214
8151         * config/i386/sse.md
8152         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8153         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8154         first constants in pairs are multiples of 2.  Formatting fixes.
8155         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8156         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8157         first constants in each quadruple are multiples of 4.  Formatting fixes.
8158
8159 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8160
8161         PR ipa/88933
8162         * tree-inline.c: Include tree-cfgcleanup.h.
8163         (delete_unreachable_blocks_update_callgraph): Move...
8164         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8165         ...here, make externally visible, make second argument bool, adjust
8166         all callers.
8167         * tree-cfgcleanup.c: Include cgraph.h.
8168         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8169         Declare.
8170         * ipa-prop.c: Include tree-cfgcleanup.h.
8171         (ipcp_transform_function): Call
8172         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8173
8174 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8175
8176         PR rtl-optimization/88846
8177         * ira.c (process_set_for_memref_referenced_p): New.
8178         (memref_referenced_p): Add new param.  Use
8179         process_set_for_memref_referenced_p.  Add new switch cases.
8180         (memref_used_between_p): Pass new arg to memref_referenced_p.
8181
8182 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8183
8184         PR target/88469
8185         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8186         argument ABI_BREAK.  Set to true if the calculated alignment has
8187         changed in gcc-9.  Check bit-fields for their base type alignment.
8188         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8189         (aarch64_function_arg_boundary): Likewise.
8190         (aarch64_gimplify_va_arg_expr): Likewise.
8191
8192 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8193
8194         PR middle-end/89037
8195         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8196         instead of accessing TREE_INT_CST_ELT directly.
8197
8198 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8199
8200         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8201         fenv_exceptions description.
8202
8203 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8204
8205         PR rtl-optimization/87763
8206         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8207         Allow SUBREG when matching CC_NZmode compare.
8208
8209 2019-01-25  Richard Biener  <rguenther@suse.de>
8210
8211         PR tree-optimization/89049
8212         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8213         Look at the pattern stmt to determine if the stmt is vectorized.
8214
8215 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8216
8217         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8218         (pred_mov<mode>): Handle all-register forms using both a new
8219         alternative and a split.
8220
8221 2019-01-25  Richard Biener  <rguenther@suse.de>
8222
8223         PR tree-optimization/86865
8224         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8225         Reject non-do-while loops.
8226
8227 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8228
8229         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8230         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8231         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8232         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8233         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8234         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8235         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8236         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8237         vlogical_operand, gpc_reg_operand, int_reg_operand,
8238         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8239         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8240         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8241         (save_world_operation, restore_world_operation, lmw_operation,
8242         stmw_operation): Use MEM_P and REG_P.
8243         (tie_operand): Use MEM_P.
8244         (vrsave_operation, crsave_operation): Use REG_P.
8245         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8246         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8247         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8248         (call_operand): Use HARD_REGISTER_P.
8249         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8250         Use CONST_INT_P.
8251         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8252         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8253         quad_aligned_load_p, replace_swapped_aligned_store,
8254         recombine_lvx_pattern, replace_swapped_aligned_load,
8255         recombine_stvx_pattern): Use MEM_P.
8256         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8257         Use MEM_P and SYMBOL_REF_P.
8258         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8259         (insn_is_swappable_p): Use REG_P and MEM_P.
8260         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8261         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8262         Use CONST_INT_P.
8263         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8264         Use CONST_DOUBLE_P.
8265         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8266         CONST_WIDE_INT_P.
8267         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8268         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8269         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8270         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8271         reg_or_subregno:
8272         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8273         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8274         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8275         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8276         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8277         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8278         rs6000_split_logical_di): Use CONST_INT_P.
8279         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8280         REG_P and SYMBOL_REF_P.
8281         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8282         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8283         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8284         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8285         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8286         (small_data_operand, print_operand_address): Use CONST_INT_P and
8287         SYMBOL_REF_P.
8288         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8289         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8290         Use HARD_REGISTER_NUM_P.
8291         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8292         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8293         SUBREG_P and SYMBOL_REF_P.
8294         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8295         and HARD_REGISTER_NUM_P.
8296         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8297         reg_or_subregno.
8298         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8299         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8300         MEM_P and REG_P.
8301         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8302         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8303         find_addr_reg): Use REG_P.
8304         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8305         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8306         (offsettable_ok_by_alignment, constant_pool_expr_p,
8307         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8308         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8309         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8310         rs6000_assemble_integer, create_TOC_reference,
8311         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8312         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8313         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8314         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8315         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8316         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8317         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8318         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8319         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8320         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8321         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8322         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8323         and cbranch<mode>4): Use CONST_INT_P.
8324         (multiple define_splits): Use REG_P and SUBREG_P.
8325         (define_expands call, call_value): Use MEM_P.
8326         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
8327         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8328         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8329         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8330         and HARD_REGISTER_NUM_P.
8331         (multiple define_splits): Use HARD_REGISTER_NUM_P.
8332
8333 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
8334
8335         PR rtl-optimization/88948
8336         * rtl.h (prepare_copy_insn): New prototype.
8337         * gcse.c (prepare_copy_insn): New function, split out from
8338         process_insert_insn.
8339         (process_insert_insn): Use prepare_copy_insn.
8340         * store-motion.c (replace_store_insn): Use prepare_copy_insn
8341         instead of gen_move_insn.
8342
8343 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
8344
8345         PR debug/89006
8346         * config/i386/i386.c (ix86_pic_register_p): Return true for
8347         UNSPEC_SET_GOT too.
8348
8349         PR tree-optimization/88964
8350         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8351         punt if HONOR_SNANS (chrec).
8352
8353         PR middle-end/89015
8354         * tree-nested.c (convert_nonlocal_reference_stmt,
8355         convert_local_reference_stmt, convert_tramp_reference_stmt,
8356         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8357         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8358         or GIMPLE_OMP_TASK.
8359
8360         PR tree-optimization/89027
8361         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8362         for "omp simd array" variables.
8363
8364 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
8365
8366         PR target/88469
8367         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8368         force the alignment of m_val.
8369
8370 2019-01-24  Richard Biener  <rguenther@suse.de>
8371
8372         PR lto/87187
8373         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8374         When in "legacy" debug mode make sure to reset self-origins.
8375
8376 2019-01-24  Martin Liska  <mliska@suse.cz>
8377
8378         PR gcov-profile/88994
8379         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8380         result will be always smaller or equal to the original.
8381         * gcov.c (mangle_name): Fix else branch where we should
8382         also copy to PTR and shift the pointer.
8383
8384 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8385
8386         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8387         * vr-values.c (find_case_label_ranges): Fix a comment typo.
8388
8389 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
8390
8391         * common/config/i386/i386-common.c
8392         (OPTION_MASK_ISA_ENQCMD_SET,
8393         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8394         (ix86_handle_option): Handle -menqcmd.
8395         * config.gcc (enqcmdintrin.h): New header file.
8396         * config/i386/cpuid.h (bit_ENQCMD): New bit.
8397         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8398         -menqcmd.
8399         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8400         function type.
8401         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8402         __builtin_ia32_enqcmds): New builtins.
8403         * config/i386/i386-c.c (__ENQCMD__): New macro.
8404         * config/i386/i386-option.c (ix86_target_string): Add
8405         -menqcmd.
8406         (ix86_valid_target_attribute_inner_p): Likewise.
8407         * config/i386/i386-expand.c
8408         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8409         IX86_BUILTIN_ENQCMDS.
8410         * config/i386/i386.h (TARGET_ENQCMD): New.
8411         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8412         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8413         (movdir64b_<mode>): Parameterize to enable share expansion code
8414         with ENQCMD in function ix86_expand_builtin.
8415         * config/i386/i386.opt: Add -menqcmd.
8416         * config/i386/immintrin.h: Include enqcmdintrin.h.
8417         * config/i386/enqcmdintrin.h: New intrinsic file.
8418         * doc/invoke.texi: Add -menqcmd.
8419
8420 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8421             Steve Ellcey <sellcey@marvell.com>
8422
8423         PR target/85711
8424         * recog.c (address_operand): Return false on wrong mode for address.
8425         (constrain_operands): Check for mode with 'p' constraint.
8426
8427 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8428
8429         PR target/88998
8430         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8431         Disparage MMX alternative.
8432         (sse2_cvtpd2pi): Ditto.
8433         (sse2_cvttpd2pi): Ditto.
8434
8435 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8436
8437         PR driver/89014
8438         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8439         use-after-free of the result of
8440         aarch64_get_extension_string_for_isa_flags.
8441
8442 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8443
8444         PR c/44715
8445         * doc/extend.texi: Document break and continue behavior in
8446         statement expressions.
8447
8448 2019-01-23  Richard Biener  <rguenther@suse.de>
8449
8450         PR tree-optimization/89008
8451         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8452         not leave another stray operand.
8453
8454 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8455
8456         * BASE-VER: Bump to 9.0.1.
8457
8458 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8459
8460         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8461         thunk that returns by reference, use the type of the return object
8462         of the thunk instead of that of the alias to build the dereference.
8463
8464 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8465
8466         * config/arc/atomic.md: Add operand to DMB instruction.
8467
8468 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8469
8470         PR tree-optimization/88964
8471         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8472         build_zero_cst instead of build_int_cst.  Return false for loop
8473         invariants which honor signed zeros.
8474
8475 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8476
8477         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8478
8479 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8480
8481         PR target/88965
8482         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8483         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8484         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8485
8486         PR middle-end/88968
8487         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8488         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8489
8490         PR target/87064
8491         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8492         Disable for little endian.
8493
8494 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8495
8496         PR target/88469
8497         * config/arm/arm.c (arm_needs_double_word_align): Check
8498         DECL_BIT_FIELD_TYPE.
8499
8500 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8501             H.J. Lu  <hongjiu.lu@intel.com>
8502
8503         PR target/88909
8504         * config/i386/i386-builtin.def: Add mask2 to all builtin
8505         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8506         SPECIAL_ARGS.
8507         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8508         (BDESC_FIRST): Likewise.
8509         (define_builtin): Add an argument for mask2.  Updated to handle
8510         both ix86_isa_flags and ix86_isa_flags2.
8511         (define_builtin_const): Likewise.
8512         (define_builtin_pure): Likewise.
8513         (define_builtin2): Deleted.
8514         (define_builtin_const2): Likewise.
8515         (builtin_description): Add a member, mask2.
8516         (bdesc_*): Add mask2 to builtin initializations.
8517         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8518         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8519         support.
8520         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8521
8522 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8523
8524         PR target/88954
8525         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8526         noplt attribute.
8527
8528 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8529
8530         PR target/88469
8531         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8532         alignment is dominated by a bitfield with 64-bit aligned base type.
8533         (arm_function_arg): Emit a warning if the alignment has changed since
8534         earlier GCC releases.
8535         (arm_function_arg_boundary): Likewise.
8536         (arm_setup_incoming_varargs): Likewise.
8537
8538 2019-01-22  Richard Biener  <rguenther@suse.de>
8539
8540         PR tree-optimization/88862
8541         * graphite-scop-detection.c
8542         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8543
8544 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8545
8546         * doc/extend.tex (AMD GCN Function Attributes): New section.
8547         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8548         * doc/invoke.texi (AMD GCN Options): New section.
8549         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8550
8551 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8552
8553         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8554         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8555
8556 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8557
8558         PR tree-optimization/88044
8559         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8560         is false in the first iteration, but !every_iteration, return false
8561         instead of true with niter->niter zero.
8562
8563         PR rtl-optimization/88904
8564         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8565         any nonequal registers before processing BB_END (b).
8566
8567         PR target/88905
8568         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8569         GET_MODE (op0).
8570         (expand_binop_directly, expand_doubleword_clz,
8571         expand_doubleword_popcount, expand_ctz, expand_ffs,
8572         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8573
8574         PR rtl-optimization/49429
8575         PR target/49454
8576         PR rtl-optimization/86334
8577         PR target/88906
8578         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8579         addressable from here...
8580         (emit_block_op_via_libcall): ... to here.
8581
8582 2019-01-22  Richard Biener  <rguenther@suse.de>
8583
8584         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8585         auto_vec for cost vector to fix memleak.
8586         (vectorize_fold_left_reduction): Properly gather SLP defs.
8587         (vectorizable_comparison): Do not swap operands to properly
8588         gather SLP defs.
8589
8590 2019-01-22  Alan Modra  <amodra@gmail.com>
8591
8592         PR target/88614
8593         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8594         stays a reg.  Allow a const_int.
8595         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8596         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8597         (IS_NOMARK_TLSGETADDR): Define.
8598         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8599         (rs6000_output_tlsargs): New function.
8600         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8601         __tls_get_addr call takes an arg.
8602         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8603         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8604         delete split..
8605         (call_value_nonlocal_sysv): ..or here, delete split.
8606         (tls_gdld_nomark): Delete.
8607         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8608         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8609         (call_value_nonlocal_sysv): Likewise.
8610         (call_value_nonlocal_sysv_secure): Likewise.
8611         (call_value_nonlocal_aix): Likewise.
8612         (call_value_indirect_aix): Likewise.
8613         (call_value_indirect_elfv2): Likewise.
8614         (call_value_local32, call_value_local64): Disable for no-mark tls.
8615         (call_value_local_aix): Likewise.
8616
8617 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8618
8619         PR target/88938
8620         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8621         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8622
8623 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8624
8625         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8626         string contents as hash_map keys.
8627
8628 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8629
8630         PR c/88928
8631         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8632         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8633         instead of TYPE_ALIGN.
8634         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8635         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8636         pointer from TYPE_STUB_DECL.
8637
8638 2019-01-21  Richard Biener  <rguenther@suse.de>
8639
8640         PR tree-optimization/88934
8641         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8642         at the possibly non-constant operand.
8643         (vect_get_constant_vectors): Adjust.
8644
8645 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8646
8647         PR target/71659
8648         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8649         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8650         instead of _X86INTRIN_H_INCLUDED.
8651         * onfig/i386/clwbintrin.h: Likewise.
8652         * config/i386/pkuintrin.h: Likewise.
8653         * config/i386/prfchwintrin.h: Likewise.
8654         * config/i386/rdseedintrin.h: Likewise.
8655         * config/i386/wbnoinvdintrin.h: Likewise.
8656         * config/i386/xsavecintrin.h: Likewise.
8657         * config/i386/xsavesintrin.h: Likewise.
8658         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8659         * config/i386/xsaveintrin.h: Likewise.
8660         * config/i386/xsaveoptintrin.h: Likewise.
8661         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8662         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8663         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8664         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8665         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8666         * config/i386/immintrin.h: Here.
8667
8668 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8669
8670         PR ipa/87615
8671         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8672         with aa_walk_budget.
8673         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8674         aa_walk_budget_p parameter.
8675         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8676         walk.  Updated all callers.
8677         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8678         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8679         unmodified_parm.
8680         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8681         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8682         and to unmodified_parm.
8683         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8684         info, updated call to will_be_nonconstant_expr_predicate.
8685         (param_change_prob): New parameter fbi, limit AA walking.
8686         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8687         calls to various above functions.
8688         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8689         parameter.  Use it to limit AA walking.
8690         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8691         fbi, limit AA walk.
8692         (detect_type_change): New parameter fbi, pass it on to
8693         detect_type_change_from_memory_writes.
8694         (detect_type_change_ssa): Likewise.
8695         (aa_overwalked): Removed.
8696         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8697         accordingly, adjust to the neew AA limiting scheme.
8698         (parm_ref_data_preserved_p): Likewise.
8699         (ipa_compute_jump_functions_for_edge): Adjust call to
8700         get_dynamic_type.
8701         (ipa_analyze_call_uses): Likewise.
8702         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8703         (ipa_analyze_node): Initialize aa_walk_budget.
8704         (ipcp_transform_function): Likewise.
8705         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8706         to get_dynamic_type.
8707
8708 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8709
8710         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8711         outside of #if CHECKING_P code.
8712
8713 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8714
8715         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8716         New function, split out from...
8717         (loop_versioning::analyze_stride): ...here.
8718         (loop_versioning::find_per_loop_multiplication): Use gassign.
8719         (loop_versioning::analyze_term_using_scevs): Return a success code.
8720         (loop_versioning::analyze_arbitrary_term): New function.
8721         (loop_versioning::analyze_address_fragment): Use
8722         analyze_arbitrary_term if all else fails.
8723
8724 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8725
8726         PR target/88892
8727         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8728         operands.
8729
8730 2019-01-18  Richard Biener  <rguenther@suse.de>
8731
8732         PR tree-optimization/88903
8733         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8734         scalar stmts a SLP shift amount is composed of when detecting
8735         shifts by scalars.
8736
8737 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8738
8739         PR target/88799
8740         * config/arm/arm-cpus.in (mp): New feature.
8741         (sec): New feature.
8742         (fgroup ARMv7ve): Add mp and sec features.
8743         (arch armv7-a): Add options to allow mp and sec extensions.
8744         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8745         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8746         extenstions to the base architecture.
8747         (cpu cortex-a8): Add sec extension to the base architecture.
8748         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8749         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8750         variants down to the base v7-a varaint.
8751         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8752         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8753         of permitted extensions for -march=armv7-a and for
8754         -mcpu=generic-armv7-a.
8755
8756 2019-01-18  Martin Liska  <mliska@suse.cz>
8757
8758         * params.def: Fix comment.
8759         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8760         name.
8761         (gimple_gen_ic_func_profiler): Likewise.
8762
8763 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8764
8765         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8766         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8767         and put in error checks for stack protector guard options.
8768         (aarch64_stack_protect_guard): New.
8769         (TARGET_STACK_PROTECT_GUARD): Define.
8770         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8771         (reg_stack_protect_address<mode>): New.
8772         (stack_protect_set): Adjust for SSP_GLOBAL.
8773         (stack_protect_test): Likewise.
8774         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8775         (-mstack-protector-guard): Likewise.
8776         (-mstack-protector-guard-offset): Likewise.
8777
8778 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8779
8780         PR tree-optimization/86214
8781         * tree-inline.h (struct copy_body_data): Add
8782         add_clobbers_to_eh_landing_pads member.
8783         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8784         (copy_edges_for_bb): Call it if EH edge destination is <
8785         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8786         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8787         if flag_stack_reuse != SR_NONE and clear it afterwards.
8788
8789 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8790
8791         PR target/85596
8792         * doc/install.texi (with-multilib-list): Document for aarch64.
8793
8794 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8795
8796         PR target/88734
8797         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8798         (("..."))) with ("...").
8799
8800 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8801
8802         * doc/extend.texi (Built-in Functions for Memory Model Aware
8803         Atomic Operations): Document atomic fetch and nand.
8804
8805 2019-01-18  Martin Liska  <mliska@suse.cz>
8806             Richard Biener  <rguenther@suse.de>
8807
8808         PR middle-end/88587
8809         * cgraph.h (create_version_clone_with_body): Add new argument
8810         with attributes.
8811         * cgraphclones.c (cgraph_node::create_version_clone): Add
8812         DECL_ATTRIBUTES to a newly created decl.  And call
8813         valid_attribute_p so that proper cl_target_optimization_node
8814         is set for the newly created declaration.
8815         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8816         for declaration.
8817         (expand_target_clones): Do not call valid_attribute_p, it must
8818         be already done.
8819         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8820         vector types.
8821
8822 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8823
8824         PR target/88734
8825         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8826         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8827         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8828
8829 2019-01-17  Martin Sebor  <msebor@redhat.com>
8830
8831         PR middle-end/88273
8832         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8833         Handle anti-ranges the same as no range at all.
8834
8835 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8836
8837         * config/aarch64/aarch64.c (cgraph.h): New include.
8838         (intl.h): New include.
8839         (supported_simd_type): New function.
8840         (currently_supported_simd_type): Ditto.
8841         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8842         (aarch64_simd_clone_adjust): Ditto.
8843         (aarch64_simd_clone_usable): Ditto.
8844         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8845         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8846         (TARGET_SIMD_CLONE_USABLE): Ditto.
8847         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8848         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8849         call.
8850
8851 2019-01-17  Martin Sebor  <msebor@redhat.com>
8852
8853         PR tree-optimization/88800
8854         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8855         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8856         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8857         redundant argument.  Add new argument and issue diagnostics under
8858         its control.  Detect out-of-bounds access even with warnings
8859         disabled.
8860         (check_bounds_or_overlap): Change return type.  Add argument.
8861         (wrestrict_dom_walker::check_call): Adjust.
8862         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8863         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8864         check_bounds_or_overlap's return value.
8865         (handle_builtin_stxncpy): Same.
8866         (handle_builtin_strcat): Same.
8867
8868 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8869             Kwok Cheung Yeung  <kcy@codesourcery.com>
8870             Julian Brown  <julian@codesourcery.com>
8871             Tom de Vries  <tom@codesourcery.com>
8872
8873         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8874
8875 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8876
8877         * doc/sourcebuild.texi: Document dg-require-effective-target
8878         llvm_binutils and offload_gcn.
8879
8880 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8881             Kwok Cheung Yeung  <kcy@codesourcery.com>
8882             Julian Brown  <julian@codesourcery.com>
8883             Tom de Vries  <tom@codesourcery.com>
8884
8885         * doc/sourcebuild.texi: Document dg-required-effective-target
8886         exceptions.
8887
8888 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8889             Kwok Cheung Yeung  <kcy@codesourcery.com>
8890             Julian Brown  <julian@codesourcery.com>
8891             Tom de Vries  <tom@codesourcery.com>
8892             Jan Hubicka  <hubicka@ucw.cz>
8893             Martin Jambor  <mjambor@suse.cz>
8894
8895         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8896         * configure.ac: Check for dlopen.
8897         * configure: Regenerate.
8898
8899 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8900             Kwok Cheung Yeung  <kcy@codesourcery.com>
8901             Julian Brown  <julian@codesourcery.com>
8902             Tom de Vries  <tom@codesourcery.com>
8903             Jan Hubicka  <hubicka@ucw.cz>
8904             Martin Jambor  <mjambor@suse.cz>
8905
8906         * common/config/gcn/gcn-common.c: New file.
8907         * config/gcn/driver-gcn.c: New file.
8908         * config/gcn/gcn-builtins.def: New file.
8909         * config/gcn/gcn-hsa.h: New file.
8910         * config/gcn/gcn-modes.def: New file.
8911         * config/gcn/gcn-opts.h: New file.
8912         * config/gcn/gcn-passes.def: New file.
8913         * config/gcn/gcn-protos.h: New file.
8914         * config/gcn/gcn-run.c: New file.
8915         * config/gcn/gcn-tree.c: New file.
8916         * config/gcn/gcn.c: New file.
8917         * config/gcn/gcn.h: New file.
8918         * config/gcn/gcn.opt: New file.
8919         * config/gcn/t-gcn-hsa: New file.
8920
8921 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8922             Kwok Cheung Yeung  <kcy@codesourcery.com>
8923             Julian Brown  <julian@codesourcery.com>
8924             Tom de Vries  <tom@codesourcery.com>
8925             Jan Hubicka  <hubicka@ucw.cz>
8926             Martin Jambor  <mjambor@suse.cz>
8927
8928         * config/gcn/constraints.md: New file.
8929         * config/gcn/gcn-valu.md: New file.
8930         * config/gcn/gcn.md: New file.
8931         * config/gcn/predicates.md: New file.
8932
8933 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8934
8935         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8936         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8937         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8938         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8939
8940 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8941
8942         PR target/88851
8943         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8944         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8945         it and document registers.
8946
8947 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8948
8949         * config/aarch64/aarch64.c (ares_tunings): Define.
8950         * config/aarch64/aarch64-cores.def (ares): Use the above.
8951
8952 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8953
8954         PR target/88794
8955         Revert:
8956         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8957
8958         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8959         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8960         (_mm512_maskz_fixupimm_round_pd): Ditto.
8961         (_mm512_fixupimm_round_ps): Ditto.
8962         (_mm512_maskz_fixupimm_round_ps): Ditto.
8963         (_mm_fixupimm_round_sd): Ditto.
8964         (_mm_maskz_fixupimm_round_sd): Ditto.
8965         (_mm_fixupimm_round_ss): Ditto.
8966         (_mm_maskz_fixupimm_round_ss): Ditto.
8967         (_mm512_fixupimm_pd): Ditto.
8968         (_mm512_maskz_fixupimm_pd): Ditto.
8969         (_mm512_fixupimm_ps): Ditto.
8970         (_mm512_maskz_fixupimm_ps): Ditto.
8971         (_mm_fixupimm_sd): Ditto.
8972         (_mm_maskz_fixupimm_sd): Ditto.
8973         (_mm_fixupimm_ss): Ditto.
8974         (_mm_maskz_fixupimm_ss): Ditto.
8975         (_mm512_mask_fixupimm_round_pd): Update builtin.
8976         (_mm512_mask_fixupimm_round_ps): Ditto.
8977         (_mm_mask_fixupimm_round_sd): Ditto.
8978         (_mm_mask_fixupimm_round_ss): Ditto.
8979         (_mm512_mask_fixupimm_pd): Ditto.
8980         (_mm512_mask_fixupimm_ps): Ditto.
8981         (_mm_mask_fixupimm_sd): Ditto.
8982         (_mm_mask_fixupimm_ss): Ditto.
8983         * config/i386/avx512vlintrin.h:
8984         (_mm256_fixupimm_pd): Update parameters and builtin.
8985         (_mm256_maskz_fixupimm_pd): Ditto.
8986         (_mm256_fixupimm_ps): Ditto.
8987         (_mm256_maskz_fixupimm_ps): Ditto.
8988         (_mm_fixupimm_pd): Ditto.
8989         (_mm_maskz_fixupimm_pd): Ditto.
8990         (_mm_fixupimm_ps): Ditto.
8991         (_mm_maskz_fixupimm_ps): Ditto.
8992         (_mm256_mask_fixupimm_pd): Update builtin.
8993         (_mm256_mask_fixupimm_ps): Ditto.
8994         (_mm_mask_fixupimm_pd): Ditto.
8995         (_mm_mask_fixupimm_ps): Ditto.
8996         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8997         * config/i386/i386-builtin.def: Update builtin definitions.
8998         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8999         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9000         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9001         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9002         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9003         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9004         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9005         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9006         * config/i386/subst.md:
9007         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9008         (round_saeonly_sd_mask_op4): Ditto.
9009         (round_saeonly_expand_operand5): Ditto.
9010         (round_saeonly_expand): Update.
9011
9012 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9013
9014         PR target/88794
9015         Revert:
9016         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9017
9018         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9019         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9020         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9021         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9022         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9023         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9024         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9025
9026 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9027
9028         PR target/88794
9029         Revert:
9030         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9031
9032         PR target/88489
9033         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9034         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9035         instead of UNSPEC_FIXUPIMM.
9036
9037 2019-01-17  Richard Biener  <rguenther@suse.de>
9038
9039         PR lto/86736
9040         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9041         and friends for the LTO part of debug info.
9042
9043 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9044
9045         PR tree-optimization/86214
9046         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9047         if x == y.
9048
9049         PR rtl-optimization/88870
9050         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9051         throw if we can't alter the cfg or delete dead exceptions.
9052         (mark_insn): Don't call find_call_stack_args for such calls.
9053
9054 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9055
9056         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9057         prototypes for vec_st.
9058         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9059         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9060         mainly on signed/unsigned long long and double.
9061
9062 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9063
9064         PR target/88861
9065         * combine.c (delete_noop_moves): Convert to "bool" return,
9066         returning true if any edges are eliminated.
9067         (combine_instructions): Also return true if delete_noop_moves
9068         returns true.
9069
9070 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9071
9072         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9073         correct max nunits for endian swap.
9074         (aarch64_expand_fcmla_builtin): Correct subreg code.
9075         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9076         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9077         lane endianness.
9078
9079 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9080
9081         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9082         Handle split indirect COMPLEX_TYPE arguments.
9083
9084 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9085
9086         PR target/86891
9087         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9088         bit is set by add and compare.
9089         (CC_ADC): New CC_MODE.
9090         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9091         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9092         comparison.  Add detection for CC_ADCmode.
9093         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9094         CC_ADCmode.
9095         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9096         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9097         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9098         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9099         to eliminate the need for zero-extending the operands.
9100         (add<mode>3_compareC_imm): Delete.  Merge into ...
9101         (add<mode>3_compareC): ... this.  Restructure the comparison to
9102         eliminate the need for zero-extending the operands.
9103         (add<mode>3_carryin): Use LTU for the overflow detection.
9104         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9105         Reexpress comparison for overflow.
9106         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9107         (add<mode>3_carryinC): Likewise.
9108         (add<mode>3_carryinV): Use LTU for carry between partials.
9109         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9110         handling of CC_Cmode and add CC_ADCmode.
9111         (aarch64_borrow_operation): Likewise.
9112
9113 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9114
9115         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9116         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9117         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9118         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9119
9120 2019-01-16  Martin Liska  <mliska@suse.cz>
9121
9122         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9123         for GCC driver.
9124         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9125         a new argument.
9126         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9127         (path_prefix_reset): Move up in the source file.
9128         (find_fortran_preinclude_file): Make complex search for the
9129         fortran header files.
9130
9131 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9132
9133         * godump.c (go_output_typedef): When outputting a typedef, refer
9134         to the underlying type by its name and not its structure.
9135
9136 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9137
9138         PR c++/88795
9139         * tree.c (build_function_type): Assert that arg_types is not
9140         error_mark_node.
9141
9142 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9143
9144         PR inline-asm/52813
9145         * doc/extend.texi: Document that listing the stack pointer in the
9146         clobber list of an asm is a deprecated feature.
9147         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9148         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9149         warning instead of an error for clobbers of the stack pointer.
9150         Add a note explaining why.
9151
9152 2019-01-15  Richard Biener  <rguenther@suse.de>
9153
9154         PR debug/88046
9155         * dwarf2out.c (gen_member_die): Do not generate inheritance
9156         DIEs late.
9157
9158 2019-01-15  Richard Biener  <rguenther@suse.de>
9159
9160         PR tree-optimization/88855
9161         * tree-if-conv.c (combine_blocks): Collect
9162         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9163
9164 2019-01-15  Tom de Vries  <tdevries@suse.de>
9165
9166         PR target/80547
9167         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9168         lhs == NULL_TREE for gang-level reduction.
9169
9170 2019-01-15  Richard Biener  <rguenther@suse.de>
9171             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9172
9173         PR ipa/88788
9174         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9175         return true if SSA_NAME is already marked in visited bitmap.
9176         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9177
9178 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9179
9180         PR tree-optimization/88775
9181         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9182         equal == 0 equality pointer comparisons some more if compared in
9183         integral types and either one points to an automatic var and the
9184         other to a global, or we can prove at least one points to the middle
9185         or both point to start or both point to end.
9186
9187 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9188
9189         * Makefile.in: Lower autofdo sampling rate by 10x.
9190         * Makefile.tpl: Dito.
9191
9192 2019-01-14  Tom Honermann  <tom@honermann.net>
9193
9194         * defaults.h: Define CHAR8_TYPE.
9195
9196 2019-01-14  Martin Sebor  <msebor@redhat.com>
9197
9198         PR target/88638
9199         * doc/extend.texi (Darwin Format Checks): Clarify.
9200
9201 2019-01-14  Richard Biener  <rguenther@suse.de>
9202
9203         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9204         whether we are in (simplify ...) or (match ...) context.
9205
9206 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9207
9208         PR rtl-optimization/88796
9209         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9210         * cfgexpand.c (stack_protect_prologue): Initialize
9211         crtl->stack_protect_guard_decl.
9212         * function.c (stack_protect_epilogue): Use it instead of calling
9213         targetm.stack_protect_guard again.
9214         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9215         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9216         crtl->stack_protect_guard_decl.
9217         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9218         on the returned MEM_EXPR.
9219
9220 2019-01-12  Tom de Vries  <tdevries@suse.de>
9221
9222         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9223         vector length using -fopenacc-dim.
9224
9225 2019-01-12  Tom de Vries  <tdevries@suse.de>
9226
9227         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9228         lengths into account.
9229
9230 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9231
9232         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9233         (TARGET_CAN_SPLIT_STACK): Define.
9234         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9235
9236 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9237
9238         * params.def (inline-unit-growth): Set to 40.
9239
9240 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9241
9242         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9243
9244 2019-01-12  Tom de Vries  <tdevries@suse.de>
9245
9246         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9247         region calling vector-partitionable routine, set default_vector_length
9248         to WARP_SIZE.
9249
9250 2019-01-12  Tom de Vries  <tdevries@suse.de>
9251
9252         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9253         variable default_vector_length.
9254
9255 2019-01-12  Tom de Vries  <tdevries@suse.de>
9256
9257         PR middle-end/88703
9258         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9259         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9260         dimensions limits.
9261
9262 2019-01-12  Tom de Vries  <tdevries@suse.de>
9263
9264         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9265         (nvptx_goacc_validate_dims): Add used parameter.
9266         * doc/tm.texi: Regenerate.
9267         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9268         argument to call to targetm.goacc.validate_dims.
9269         (default_goacc_validate_dims): Add used
9270         parameter.
9271         * target.def (validate_dims): Add used parameter in DEFHOOK.
9272         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9273
9274 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9275
9276         PR middle-end/85956
9277         PR lto/88733
9278         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9279         field.
9280         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9281         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9282         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9283         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9284
9285 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9286
9287         PR rtl-optimization/87305
9288         * lra-assigns.c
9289         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9290         for little endian pseudos used as paradoxical subreg.
9291
9292 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9293
9294         PR tree-optimization/88693
9295         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9296         for STRING_CSTs that don't contain any NUL characters in the first
9297         TREE_STRING_LENGTH bytes.
9298
9299 2019-01-11  Alan Modra  <amodra@gmail.com>
9300
9301         PR 88777
9302         PR 88614
9303         * genattrtab.c (min_fn): Don't translate values.
9304         (min_attr_value): Return INT_MAX when the value can't be calculated.
9305         Return minimum among any values that can be calculated.
9306         (max_attr_value): Adjust.
9307
9308 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9309
9310         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9311
9312 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9313
9314         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9315         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9316         (aarch64_return_call_with_max_clobbers): New function.
9317         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9318         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9319         argument.
9320         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9321         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9322         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9323         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9324         * cselib.c (cselib_process_insn): Add argument to
9325         targetm.hard_regno_call_part_clobbered call.
9326         * ira-conflicts.c (ira_build_conflicts): Ditto.
9327         * ira-costs.c (ira_tune_allocno_costs): Ditto.
9328         * lra-constraints.c (inherit_reload_reg): Ditto.
9329         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9330         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9331         argument.  Call targetm.return_call_with_max_clobbers.
9332         Add argument to targetm.hard_regno_call_part_clobbered call.
9333         (calls_have_same_clobbers_p): New function.
9334         (process_bb_lives): Add call_insn and last_call_insn variables.
9335         Pass call_insn to check_pseudos_live_through_calls.
9336         Modify if stmt to check targetm.return_call_with_max_clobbers.
9337         Update setting of flush variable.
9338         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9339         to false.
9340         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9341         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9342         targetm.hard_regno_call_part_clobbered call.
9343         * reginfo.c (choose_hard_reg_mode): Ditto.
9344         * regrename.c (check_new_reg_p): Ditto.
9345         * reload.c (find_equiv_reg): Ditto.
9346         * reload1.c (emit_reload_insns): Ditto.
9347         * sched-deps.c (deps_analyze_insn): Ditto.
9348         * sel-sched.c (init_regs_for_mode): Ditto.
9349         (mark_unavailable_hard_regs): Ditto.
9350         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9351         * target.def (hard_regno_call_part_clobbered): Add insn argument.
9352         (return_call_with_max_clobbers): New target function.
9353         * doc/tm.texi: Regenerate.
9354         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9355         * hooks.c (hook_bool_uint_mode_false): Change to
9356         hook_bool_insn_uint_mode_false.
9357         * hooks.h (hook_bool_uint_mode_false): Ditto.
9358
9359 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9360
9361         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9362         (aarch64_remove_extra_call_preserved_regs): New function.
9363         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9364         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9365         * doc/tm.texi: Regenerate.
9366         * final.c (get_call_reg_set_usage): Call new hook.
9367         * target.def (remove_extra_call_preserved_regs): New hook.
9368         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9369         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9370
9371 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9372
9373         PR bootstrap/88714
9374         * passes.c (finish_optimization_passes): Call print_combine_total_stats
9375         inside of pass_combine_1 dump rather than pass_profile_1.
9376
9377 2019-01-11  Tom de Vries  <tdevries@suse.de>
9378
9379         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9380         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9381         (PTX_NUM_PER_WORKER_BARRIERS): Define.
9382         (nvptx_apply_dim_limits): Prevent vector_length 64 and
9383         num_workers 16.
9384
9385 2019-01-11  Tom de Vries  <tdevries@suse.de>
9386
9387         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9388
9389 2019-01-11  Jan Beulich  <jbeulich@suse.com>
9390
9391         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9392         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9393         sse2_cvtsi2sd): Add {l}.
9394         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9395         syntax.
9396
9397 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9398
9399         PR target/88785
9400         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9401         define_expand.
9402         (*float<floatunssuffix>v2div2sf2): New define_insn.
9403         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9404         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9405         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9406         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9407         match_operands with "const0_operand" "C".
9408
9409 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9410
9411         * config/aarch64/aarch64-builtins.c
9412         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9413         (aarch64_init_simd_builtins): ...Here
9414
9415 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9416
9417         PR rtl-optimization/87305
9418         * lra-assigns.c
9419         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9420         allocation for big endian pseudos used as paradoxical subregs and
9421         spill them if it is wrong.
9422         * lra-constraints.c (lra_constraints): Add a comment.
9423
9424 2019-01-10  Richard Biener  <rguenther@suse.de>
9425
9426         PR tree-optimization/88792
9427         * tree-ssa-pre.c (get_representative_for): Do not return a
9428         value-number here.
9429
9430 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9431
9432         PR middle-end/84877
9433         PR bootstrap/88450
9434         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9435         (assign_parm_setup_block): Do the argument slot realignment here
9436         instead.
9437
9438 2019-01-10  Stefan Agner  <stefan@agner.ch>
9439
9440         PR target/88648
9441         * config/arm/arm.c (arm_option_override_internal): Force
9442         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9443
9444 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9445
9446         PR c/88568
9447         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9448         DECL_EXTERNAL.
9449
9450 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9451
9452         * config/arm/arm-builtins.c
9453         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9454         (MAC_LANE_PAIR_QUALIFIERS): New.
9455         (arm_expand_builtin_args): Use it.
9456         (arm_expand_builtin_1): Likewise.
9457         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9458         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9459         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9460         * config/arm/arm_neon.h:
9461         (vcadd_rot90_f16): New.
9462         (vcaddq_rot90_f16): New.
9463         (vcadd_rot270_f16): New.
9464         (vcaddq_rot270_f16): New.
9465         (vcmla_f16): New.
9466         (vcmlaq_f16): New.
9467         (vcmla_lane_f16): New.
9468         (vcmla_laneq_f16): New.
9469         (vcmlaq_lane_f16): New.
9470         (vcmlaq_laneq_f16): New.
9471         (vcmla_rot90_f16): New.
9472         (vcmlaq_rot90_f16): New.
9473         (vcmla_rot90_lane_f16): New.
9474         (vcmla_rot90_laneq_f16): New.
9475         (vcmlaq_rot90_lane_f16): New.
9476         (vcmlaq_rot90_laneq_f16): New.
9477         (vcmla_rot180_f16): New.
9478         (vcmlaq_rot180_f16): New.
9479         (vcmla_rot180_lane_f16): New.
9480         (vcmla_rot180_laneq_f16): New.
9481         (vcmlaq_rot180_lane_f16): New.
9482         (vcmlaq_rot180_laneq_f16): New.
9483         (vcmla_rot270_f16): New.
9484         (vcmlaq_rot270_f16): New.
9485         (vcmla_rot270_lane_f16): New.
9486         (vcmla_rot270_laneq_f16): New.
9487         (vcmlaq_rot270_lane_f16): New.
9488         (vcmlaq_rot270_laneq_f16): New.
9489         (vcadd_rot90_f32): New.
9490         (vcaddq_rot90_f32): New.
9491         (vcadd_rot270_f32): New.
9492         (vcaddq_rot270_f32): New.
9493         (vcmla_f32): New.
9494         (vcmlaq_f32): New.
9495         (vcmla_lane_f32): New.
9496         (vcmla_laneq_f32): New.
9497         (vcmlaq_lane_f32): New.
9498         (vcmlaq_laneq_f32): New.
9499         (vcmla_rot90_f32): New.
9500         (vcmlaq_rot90_f32): New.
9501         (vcmla_rot90_lane_f32): New.
9502         (vcmla_rot90_laneq_f32): New.
9503         (vcmlaq_rot90_lane_f32): New.
9504         (vcmlaq_rot90_laneq_f32): New.
9505         (vcmla_rot180_f32): New.
9506         (vcmlaq_rot180_f32): New.
9507         (vcmla_rot180_lane_f32): New.
9508         (vcmla_rot180_laneq_f32): New.
9509         (vcmlaq_rot180_lane_f32): New.
9510         (vcmlaq_rot180_laneq_f32): New.
9511         (vcmla_rot270_f32): New.
9512         (vcmlaq_rot270_f32): New.
9513         (vcmla_rot270_lane_f32): New.
9514         (vcmla_rot270_laneq_f32): New.
9515         (vcmlaq_rot270_lane_f32): New.
9516         (vcmlaq_rot270_laneq_f32): New.
9517         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9518         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9519         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9520         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9521         vcmlaq_lane270): New.
9522         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9523         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9524         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9525         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9526         (arm_option_reconfigure_globals): Use them.
9527         * config/arm/iterators.md (VDF, VQ_HSF): New.
9528         (VCADD, VCMLA): New.
9529         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9530         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9531         New.
9532         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9533         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9534
9535 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9536
9537         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9538         Add qualifier_lane_pair_index.
9539         (emit-rtl.h): Include.
9540         (TYPES_QUADOP_LANE_PAIR): New.
9541         (aarch64_simd_expand_args): Use it.
9542         (aarch64_simd_expand_builtin): Likewise.
9543         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9544         New.
9545         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9546         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9547         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9548         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9549         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9550         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9551         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9552         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9553         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9554         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9555         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9556         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9557         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9558         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9559         Add __ARM_FEATURE_COMPLEX.
9560         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9561         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9562         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9563         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9564         fcmlaq_lane270): New.
9565         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9566         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9567         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9568         * config/aarch64/arm_neon.h:
9569         (vcadd_rot90_f16): New.
9570         (vcaddq_rot90_f16): New.
9571         (vcadd_rot270_f16): New.
9572         (vcaddq_rot270_f16): New.
9573         (vcmla_f16): New.
9574         (vcmlaq_f16): New.
9575         (vcmla_lane_f16): New.
9576         (vcmla_laneq_f16): New.
9577         (vcmlaq_lane_f16): New.
9578         (vcmlaq_rot90_lane_f16): New.
9579         (vcmla_rot90_laneq_f16): New.
9580         (vcmla_rot90_lane_f16): New.
9581         (vcmlaq_rot90_f16): New.
9582         (vcmla_rot90_f16): New.
9583         (vcmlaq_laneq_f16): New.
9584         (vcmla_rot180_laneq_f16): New.
9585         (vcmla_rot180_lane_f16): New.
9586         (vcmlaq_rot180_f16): New.
9587         (vcmla_rot180_f16): New.
9588         (vcmlaq_rot90_laneq_f16): New.
9589         (vcmlaq_rot270_laneq_f16): New.
9590         (vcmlaq_rot270_lane_f16): New.
9591         (vcmla_rot270_laneq_f16): New.
9592         (vcmlaq_rot270_f16): New.
9593         (vcmla_rot270_f16): New.
9594         (vcmlaq_rot180_laneq_f16): New.
9595         (vcmlaq_rot180_lane_f16): New.
9596         (vcmla_rot270_lane_f16): New.
9597         (vcadd_rot90_f32): New.
9598         (vcaddq_rot90_f32): New.
9599         (vcaddq_rot90_f64): New.
9600         (vcadd_rot270_f32): New.
9601         (vcaddq_rot270_f32): New.
9602         (vcaddq_rot270_f64): New.
9603         (vcmla_f32): New.
9604         (vcmlaq_f32): New.
9605         (vcmlaq_f64): New.
9606         (vcmla_lane_f32): New.
9607         (vcmla_laneq_f32): New.
9608         (vcmlaq_lane_f32): New.
9609         (vcmlaq_laneq_f32): New.
9610         (vcmla_rot90_f32): New.
9611         (vcmlaq_rot90_f32): New.
9612         (vcmlaq_rot90_f64): New.
9613         (vcmla_rot90_lane_f32): New.
9614         (vcmla_rot90_laneq_f32): New.
9615         (vcmlaq_rot90_lane_f32): New.
9616         (vcmlaq_rot90_laneq_f32): New.
9617         (vcmla_rot180_f32): New.
9618         (vcmlaq_rot180_f32): New.
9619         (vcmlaq_rot180_f64): New.
9620         (vcmla_rot180_lane_f32): New.
9621         (vcmla_rot180_laneq_f32): New.
9622         (vcmlaq_rot180_lane_f32): New.
9623         (vcmlaq_rot180_laneq_f32): New.
9624         (vcmla_rot270_f32): New.
9625         (vcmlaq_rot270_f32): New.
9626         (vcmlaq_rot270_f64): New.
9627         (vcmla_rot270_lane_f32): New.
9628         (vcmla_rot270_laneq_f32): New.
9629         (vcmlaq_rot270_lane_f32): New.
9630         (vcmlaq_rot270_laneq_f32): New.
9631         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9632         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9633         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9634         (FCADD, FCMLA): New.
9635         (rot): New.
9636         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9637
9638 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9639
9640         PR other/16615
9641
9642         * config/pa/pa.c: Change "can not" to "cannot".
9643         * gimple-ssa-evrp-analyze.c: Likewise.
9644         * ipa-icf.c: Likewise.
9645         * ipa-polymorphic-call.c: Likewise.
9646         * ipa-pure-const.c: Likewise.
9647         * lra-constraints.c: Likewise.
9648         * lra-remat.c: Likewise.
9649         * reload1.c: Likewise.
9650         * reorg.c: Likewise.
9651         * tree-ssa-uninit.c: Likewise.
9652
9653 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9654
9655         PR other/16615
9656
9657         * Makefile.in: Mechanically replace "can not" with "cannot".
9658         * alias.c: Likewise.
9659         * builtins.c: Likewise.
9660         * calls.c: Likewise.
9661         * cgraph.c: Likewise.
9662         * cgraph.h: Likewise.
9663         * cgraphclones.c: Likewise.
9664         * cgraphunit.c: Likewise.
9665         * combine-stack-adj.c: Likewise.
9666         * combine.c: Likewise.
9667         * common/config/i386/i386-common.c: Likewise.
9668         * config/aarch64/aarch64.c: Likewise.
9669         * config/alpha/sync.md: Likewise.
9670         * config/arc/arc.c: Likewise.
9671         * config/arc/predicates.md: Likewise.
9672         * config/arm/arm-c.c: Likewise.
9673         * config/arm/arm.c: Likewise.
9674         * config/arm/arm.h: Likewise.
9675         * config/arm/arm.md: Likewise.
9676         * config/arm/cortex-r4f.md: Likewise.
9677         * config/csky/csky.c: Likewise.
9678         * config/csky/csky.h: Likewise.
9679         * config/darwin-f.c: Likewise.
9680         * config/epiphany/epiphany.md: Likewise.
9681         * config/i386/i386.c: Likewise.
9682         * config/i386/sol2.h: Likewise.
9683         * config/m68k/m68k.c: Likewise.
9684         * config/mcore/mcore.h: Likewise.
9685         * config/microblaze/microblaze.md: Likewise.
9686         * config/mips/20kc.md: Likewise.
9687         * config/mips/sb1.md: Likewise.
9688         * config/nds32/nds32.c: Likewise.
9689         * config/nds32/predicates.md: Likewise.
9690         * config/pa/pa.c: Likewise.
9691         * config/rs6000/e300c2c3.md: Likewise.
9692         * config/rs6000/rs6000.c: Likewise.
9693         * config/s390/s390.h: Likewise.
9694         * config/sh/sh.c: Likewise.
9695         * config/sh/sh.md: Likewise.
9696         * config/spu/vmx2spu.h: Likewise.
9697         * cprop.c: Likewise.
9698         * dbxout.c: Likewise.
9699         * df-scan.c: Likewise.
9700         * doc/cfg.texi: Likewise.
9701         * doc/extend.texi: Likewise.
9702         * doc/fragments.texi: Likewise.
9703         * doc/gty.texi: Likewise.
9704         * doc/invoke.texi: Likewise.
9705         * doc/lto.texi: Likewise.
9706         * doc/md.texi: Likewise.
9707         * doc/objc.texi: Likewise.
9708         * doc/rtl.texi: Likewise.
9709         * doc/tm.texi: Likewise.
9710         * dse.c: Likewise.
9711         * emit-rtl.c: Likewise.
9712         * emit-rtl.h: Likewise.
9713         * except.c: Likewise.
9714         * expmed.c: Likewise.
9715         * expr.c: Likewise.
9716         * fold-const.c: Likewise.
9717         * genautomata.c: Likewise.
9718         * gimple-fold.c: Likewise.
9719         * hard-reg-set.h: Likewise.
9720         * ifcvt.c: Likewise.
9721         * ipa-comdats.c: Likewise.
9722         * ipa-cp.c: Likewise.
9723         * ipa-devirt.c: Likewise.
9724         * ipa-fnsummary.c: Likewise.
9725         * ipa-icf.c: Likewise.
9726         * ipa-inline-transform.c: Likewise.
9727         * ipa-inline.c: Likewise.
9728         * ipa-polymorphic-call.c: Likewise.
9729         * ipa-profile.c: Likewise.
9730         * ipa-prop.c: Likewise.
9731         * ipa-pure-const.c: Likewise.
9732         * ipa-reference.c: Likewise.
9733         * ipa-split.c: Likewise.
9734         * ipa-visibility.c: Likewise.
9735         * ipa.c: Likewise.
9736         * ira-build.c: Likewise.
9737         * ira-color.c: Likewise.
9738         * ira-conflicts.c: Likewise.
9739         * ira-costs.c: Likewise.
9740         * ira-int.h: Likewise.
9741         * ira-lives.c: Likewise.
9742         * ira.c: Likewise.
9743         * ira.h: Likewise.
9744         * loop-invariant.c: Likewise.
9745         * loop-unroll.c: Likewise.
9746         * lower-subreg.c: Likewise.
9747         * lra-assigns.c: Likewise.
9748         * lra-constraints.c: Likewise.
9749         * lra-eliminations.c: Likewise.
9750         * lra-lives.c: Likewise.
9751         * lra-remat.c: Likewise.
9752         * lra-spills.c: Likewise.
9753         * lra.c: Likewise.
9754         * lto-cgraph.c: Likewise.
9755         * lto-streamer-out.c: Likewise.
9756         * postreload-gcse.c: Likewise.
9757         * predict.c: Likewise.
9758         * profile-count.h: Likewise.
9759         * profile.c: Likewise.
9760         * recog.c: Likewise.
9761         * ree.c: Likewise.
9762         * reload.c: Likewise.
9763         * reload1.c: Likewise.
9764         * reorg.c: Likewise.
9765         * resource.c: Likewise.
9766         * rtl.def: Likewise.
9767         * rtl.h: Likewise.
9768         * rtlanal.c: Likewise.
9769         * sched-deps.c: Likewise.
9770         * sched-ebb.c: Likewise.
9771         * sched-rgn.c: Likewise.
9772         * sel-sched-ir.c: Likewise.
9773         * sel-sched.c: Likewise.
9774         * shrink-wrap.c: Likewise.
9775         * simplify-rtx.c: Likewise.
9776         * symtab.c: Likewise.
9777         * target.def: Likewise.
9778         * toplev.c: Likewise.
9779         * tree-call-cdce.c: Likewise.
9780         * tree-cfg.c: Likewise.
9781         * tree-complex.c: Likewise.
9782         * tree-core.h: Likewise.
9783         * tree-eh.c: Likewise.
9784         * tree-inline.c: Likewise.
9785         * tree-loop-distribution.c: Likewise.
9786         * tree-nrv.c: Likewise.
9787         * tree-profile.c: Likewise.
9788         * tree-sra.c: Likewise.
9789         * tree-ssa-alias.c: Likewise.
9790         * tree-ssa-dce.c: Likewise.
9791         * tree-ssa-dom.c: Likewise.
9792         * tree-ssa-forwprop.c: Likewise.
9793         * tree-ssa-loop-im.c: Likewise.
9794         * tree-ssa-loop-ivcanon.c: Likewise.
9795         * tree-ssa-loop-ivopts.c: Likewise.
9796         * tree-ssa-loop-niter.c: Likewise.
9797         * tree-ssa-phionlycprop.c: Likewise.
9798         * tree-ssa-phiopt.c: Likewise.
9799         * tree-ssa-propagate.c: Likewise.
9800         * tree-ssa-threadedge.c: Likewise.
9801         * tree-ssa-threadupdate.c: Likewise.
9802         * tree-ssa-uninit.c: Likewise.
9803         * tree-ssanames.c: Likewise.
9804         * tree-streamer-out.c: Likewise.
9805         * tree.c: Likewise.
9806         * tree.h: Likewise.
9807         * vr-values.c: Likewise.
9808
9809 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9810
9811         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9812         (ix86_split_xorsign): Ditto.
9813         * config/i386/i386.c (ix86_expand_xorsign): New function.
9814         (ix86_split_xorsign): Ditto.
9815         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9816         (xorsign<mode>3): New expander.
9817         (xorsign<mode>3_1): New insn_and_split pattern.
9818         * config/i386/sse.md (xorsign<mode>3): New expander.
9819
9820 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9821
9822         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9823         (*tablejump_sp64): Likewise.
9824         (*tablejump<P:mode>): ...this.
9825         (*call_address_sp32): Merge into...
9826         (*call_address_sp64): Likewise.
9827         (*call_address<P:mode>): ...this.
9828         (*call_symbolic_sp32): Merge into...
9829         (*call_symbolic_sp64): Likewise.
9830         (*call_symbolic<P:mode>): ...this.
9831         (call_value): Remove constraint and add predicate.
9832         (*call_value_address_sp32): Merge into...
9833         (*call_value_address_sp64): Likewise.
9834         (*call_value_address<P:mode>): ...this.
9835         (*call_value_symbolic_sp32): Merge into...
9836         (*call_value_symbolic_sp64): Likewise.
9837         (*call_value_symbolic<P:mode>): ...this.
9838         (*sibcall_symbolic_sp32): Merge into...
9839         (*sibcall_symbolic_sp64): Likewise.
9840         (*sibcall_symbolic<P:mode>): ...this.
9841         (sibcall_value): Remove constraint and add predicate.
9842         (*sibcall_value_symbolic_sp32): Merge into...
9843         (*sibcall_value_symbolic_sp64): Likewise.
9844         (*sibcall_value_symbolic<P:mode>): ...this.
9845         (window_save): Minor tweak.
9846         (*branch_sp32): Merge into...
9847         (*branch_sp64): Likewise.
9848         (*branch<P:mode>): ...this.
9849
9850 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9851             James Clarke  <jrtc27@jrtc27.com>
9852
9853         PR target/84010
9854         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9855         consistently in TLS address generation and adjust code to the renaming
9856         of patterns.  Mark calls to __tls_get_addr as const.
9857         * config/sparc/sparc.md (tgd_hi22): Turn into...
9858         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9859         (tgd_lo10): Turn into...
9860         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9861         (tgd_add32): Merge into...
9862         (tgd_add64): Likewise.
9863         (tgd_add<P:mode>): ...this and use Pmode throughout.
9864         (tldm_hi22): Turn into...
9865         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9866         (tldm_lo10): Turn into...
9867         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9868         (tldm_add32): Merge into...
9869         (tldm_add64): Likewise.
9870         (tldm_add<P:mode>): ...this and use Pmode throughout.
9871         (tldm_call32): Merge into...
9872         (tldm_call64): Likewise.
9873         (tldm_call<P:mode>): ...this and use Pmode throughout.
9874         (tldo_hix22): Turn into...
9875         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9876         (tldo_lox10): Turn into...
9877         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9878         (tldo_add32): Merge into...
9879         (tldo_add64): Likewise.
9880         (tldo_add<P:mode>): ...this and use Pmode throughout.
9881         (tie_hi22): Turn into...
9882         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9883         (tie_lo10): Turn into...
9884         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9885         (tie_ld64): Use DImode throughout.
9886         (tie_add32): Merge into...
9887         (tie_add64): Likewise.
9888         (tie_add<P:mode>): ...this and use Pmode throughout.
9889         (tle_hix22_sp32): Merge into...
9890         (tle_hix22_sp64): Likewise.
9891         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9892         (tle_lox22_sp32): Merge into...
9893         (tle_lox22_sp64): Likewise.
9894         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9895         (*tldo_ldub_sp32): Merge into...
9896         (*tldo_ldub_sp64): Likewise.
9897         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9898         (*tldo_ldub1_sp32): Merge into...
9899         (*tldo_ldub1_sp64): Likewise.
9900         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9901         (*tldo_ldub2_sp32): Merge into...
9902         (*tldo_ldub2_sp64): Likewise.
9903         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9904         (*tldo_ldsb1_sp32): Merge into...
9905         (*tldo_ldsb1_sp64): Likewise.
9906         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9907         (*tldo_ldsb2_sp32): Merge into...
9908         (*tldo_ldsb2_sp64): Likewise.
9909         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9910         (*tldo_ldub3_sp64): Use DImode throughout.
9911         (*tldo_ldsb3_sp64): Likewise.
9912         (*tldo_lduh_sp32): Merge into...
9913         (*tldo_lduh_sp64): Likewise.
9914         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9915         (*tldo_lduh1_sp32): Merge into...
9916         (*tldo_lduh1_sp64): Likewise.
9917         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9918         (*tldo_ldsh1_sp32): Merge into...
9919         (*tldo_ldsh1_sp64): Likewise.
9920         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9921         (*tldo_lduh2_sp64): Use DImode throughout.
9922         (*tldo_ldsh2_sp64): Likewise.
9923         (*tldo_lduw_sp32): Merge into...
9924         (*tldo_lduw_sp64): Likewise.
9925         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9926         (*tldo_lduw1_sp64): Use DImode throughout.
9927         (*tldo_ldsw1_sp64): Likewise.
9928         (*tldo_ldx_sp64): Likewise.
9929         (*tldo_stb_sp32): Merge into...
9930         (*tldo_stb_sp64): Likewise.
9931         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9932         (*tldo_sth_sp32): Merge into...
9933         (*tldo_sth_sp64): Likewise.
9934         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9935         (*tldo_stw_sp32): Merge into...
9936         (*tldo_stw_sp64): Likewise.
9937         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9938         (*tldo_stx_sp64): Use DImode throughout.
9939
9940 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9941
9942         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9943         check configure option to set BTI and Return Address Signing.
9944         * configure.ac: Add --enable-standard-branch-protection and
9945         --disable-standard-branch-protection.
9946         * configure: Regenerated.
9947         * doc/install.texi: Document the same.
9948
9949 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9950             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9951
9952         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9953         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9954         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9955         if bti is enabled.
9956         * config/aarch64/aarch64-bti-insert.c: New file.
9957         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9958         pass.
9959         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9960         new bti pass.
9961         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9962         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9963         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9964         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9965
9966 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9967
9968         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9969         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9970         Disable bti for -mbranch-protection=none.
9971         (aarch64_handle_standard_branch_protection): Enable bti for
9972         -mbranch-protection=standard.
9973         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9974         -mbranch-protection.
9975         (aarch64_bti_enabled): Check if bti is enabled.
9976         * config/aarch64/aarch64.opt: Declare target variable.
9977         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9978
9979 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9980
9981         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9982         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9983         (aarch64_expand_epilogue): Likewise.
9984         (aarch64_output_mi_thunk): Likewise
9985         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9986         TAILCALL_ADDR_REGS to x16 and x17.
9987         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9988
9989 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9990
9991         * config/aarch64/aarch64-option-extensions.def: Define
9992         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9993         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9994         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9995         (AARCH64_FL_PREDRES): New.
9996         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9997         AARCH64_FL_PREDRES by default.
9998         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9999
10000 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10001
10002         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10003         ARMv8.5-A.
10004         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10005         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10006         * doc/invoke.texi: Document ARMv8.5-A.
10007
10008 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10009
10010         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10011         (xorsign<mode>3): Likewise.
10012
10013 2019-01-09  Jelinek  <jakub@redhat.com>
10014
10015         PR middle-end/88758
10016         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10017         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10018
10019         PR rtl-optimization/88331
10020         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10021         not currently_expanding_to_rtl.
10022
10023 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10024
10025         * doc/invoke.texi (-Os): Remove trailing spaces.
10026         (-finline-functions): Remove reference to -O2.
10027
10028 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10029
10030         PR rtl-optimization/79593
10031         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10032
10033         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10034         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10035
10036 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10037
10038         PR bootstrap/88721
10039         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10040         to -1 on entry.
10041
10042         PR debug/88723
10043         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10044         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10045
10046 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10047
10048         PR target/88717
10049         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10050         ix86_avx_u128_mode_entry.
10051
10052 2019-01-08  Martin Liska  <mliska@suse.cz>
10053
10054         PR tree-optimization/88753
10055         * tree-switch-conversion.c (switch_conversion::build_one_array):
10056         Come up with local variable constructor.  Convert first to
10057         type of constructor values.
10058
10059 2019-01-08  Richard Biener  <rguenther@suse.de>
10060
10061         PR tree-optimization/86554
10062         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10063         rpo_avail): Move earlier.
10064         (visit_nary_op): When value-numbering to expressions
10065         with different overflow behavior make sure there's an
10066         available expression on the path.
10067
10068 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10069
10070         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10071         aarch64_parse_branch_protection,
10072         struct aarch64_branch_protect_type,
10073         aarch64_handle_no_branch_protection,
10074         aarch64_handle_standard_branch_protection,
10075         aarch64_validate_mbranch_protection,
10076         aarch64_handle_pac_ret_protection,
10077         aarch64_handle_attr_branch_protection,
10078         accepted_branch_protection_string,
10079         aarch64_pac_ret_subtypes,
10080         aarch64_branch_protect_types,
10081         aarch64_handle_pac_ret_leaf): Define.
10082         (aarch64_override_options_after_change_1, aarch64_override_options):
10083         Add check for accepted_branch_protection_string.
10084         (aarch64_option_save): Save accepted_branch_protection_string.
10085         (aarch64_option_restore): Save accepted_branch_protection_string.
10086         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10087         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10088         msign-return-address.
10089         * doc/invoke.texi: Add mbranch-protection.
10090
10091 2019-01-08  Alan Modra  <amodra@gmail.com>
10092
10093         PR target/88614
10094         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10095         Delete "unknownp" parameter.  Adjust callers.  Handle
10096         CONST_INT, PLUS, MINUS, and MULT.
10097         (attr_value_aligned): Renamed from or_attr_value.
10098         (min_attr_value): Return INT_MIN for unhandled rtl case..
10099         (min_fn): ..and translate to INT_MAX here.
10100         (write_length_unit_log): Modify to cope without "unknown".
10101         (write_attr_value): Handle IF_THEN_ELSE.
10102
10103 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10104
10105         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10106         optimization for masked stores.
10107
10108 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10109
10110         PR middle-end/88567
10111         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10112         output vector directly to duplicate_and_interleave instead of
10113         going through a temporary.  Postpone insertion of ctor_seq to
10114         the end of the loop.
10115
10116 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10117
10118         PR target/86891
10119         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10120         unsigned_p.  Handle signed and unsigned overflow correction as
10121         required.
10122         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10123         prototype.
10124         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10125         for operand 2.
10126         (add<mode>3_compareV_imm): Make this callable for expanding.
10127         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10128         aarch64_plus_operand for operand 2.
10129         (subv<GPI:mode>_insn): New insn pattern.
10130         (subv<GPI:mode>_imm): Likewise.
10131         (negv<GPI:mode>3): New expand pattern.
10132         (negv<GPI:mode>_insn): New insn pattern.
10133         (negv<GPI:mode>_cmp_only): Likewise.
10134         (cmpv<GPI:mode>_insn): Likewise.
10135         (subvti4): Use register_operand for operand 1.  Update call to
10136         aarch64_expand_subvti.
10137         (usubvti4): Likewise.
10138         (negvti3): New expand pattern.
10139         (negdi_carryout): New insn pattern.
10140         (negvdi_carryinV): New insn pattern.
10141         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10142         version the named version.
10143         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10144         operands.
10145         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10146         patterns.
10147         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10148         patterns.
10149         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10150         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10151         (sub<mode>3_carryinCV): Delete.
10152         (sub<GPI:mode>3_carryinV): New expand pattern.
10153         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10154
10155 2019-01-07  Richard Biener  <rguenther@suse.de>
10156
10157         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10158         of tree_operand_hash.
10159
10160 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10161
10162         PR tree-optimization/88598
10163         * tree.h (single_nonzero_element): Declare.
10164         * tree.c (single_nonzero_element): New function.
10165         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10166         if I is the only nonzero element of CST.
10167
10168 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10169
10170         PR tree-optimization/88598
10171         * tree.h (initializer_each_zero_or_onep): Declare.
10172         * tree.c (initializer_each_zero_or_onep): New function.
10173         (signed_or_unsigned_type_for): Handle float types too.
10174         (unsigned_type_for, signed_type_for): Update comments accordingly.
10175         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10176         x & { 0 or -1, 0 or -1, ... }.
10177
10178 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10179
10180         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10181         with x86_64-pc-linux-gnu.
10182
10183 2019-01-07  Tom de Vries  <tdevries@suse.de>
10184
10185         PR target/85486
10186         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10187         function.
10188         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10189         routines.
10190
10191 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10192
10193         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10194         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10195         TARGET_AVX512F as condition.
10196
10197         PR debug/88723
10198         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10199         const_not_ok_for_debug_p target hook.
10200         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10201         on UNSPEC and subexpressions thereof if all subexpressions of the
10202         UNSPEC are CONSTANT_P.
10203
10204         PR tree-optimization/88676
10205         * tree-ssa-phiopt.c (two_value_replacement): New function.
10206         (tree_ssa_phiopt_worker): Call it.
10207
10208         PR sanitizer/88619
10209         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10210         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10211
10212         PR c++/85052
10213         * tree-vect-generic.c: Include insn-config.h and recog.h.
10214         (expand_vector_piecewise): Add defaulted ret_type argument,
10215         if non-NULL, use that in preference to type for the result type.
10216         (expand_vector_parallel): Formatting fix.
10217         (do_vec_conversion, do_vec_narrowing_conversion,
10218         expand_vector_conversion): New functions.
10219         (expand_vector_operations_1): Call expand_vector_conversion
10220         for VEC_CONVERT ifn calls.
10221         * internal-fn.def (VEC_CONVERT): New internal function.
10222         * internal-fn.c (expand_VEC_CONVERT): New function.
10223         * fold-const-call.c (fold_const_vec_convert): New function.
10224         (fold_const_call): Use it for CFN_VEC_CONVERT.
10225         * doc/extend.texi (__builtin_convertvector): Document.
10226
10227 2019-01-07  Tom de Vries  <tdevries@suse.de>
10228
10229         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10230         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10231         vector_red_partition, vector_red_sym): New global variables.
10232         (nvptx_option_override): Initialize vector_red_sym.
10233         (nvptx_declare_function_name): Restore red_partition register.
10234         (nvptx_file_end): Emit code to declare the vector reduction variables.
10235         (nvptx_output_red_partition): New function.
10236         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10237         large vector reductions.
10238         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10239         (nvptx_init_builtins): Add VECTOR_ADDR.
10240         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10241         Handle nvptx_expand_shared_addr.
10242         (nvptx_get_shared_red_addr): Add vector argument and handle large
10243         vectors.
10244         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10245         large vectors.
10246         (nvptx_goacc_reduction_init): Likewise.
10247         (nvptx_goacc_reduction_fini): Likewise.
10248         (nvptx_goacc_reduction_teardown): Likewise.
10249         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10250         init,fini,teardown}.
10251         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10252         (nvptx_set_current_function): Init vector_red_partition.
10253         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10254         (nvptx_red_partition): New insn.
10255         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10256
10257 2019-01-07  Tom de Vries  <tdevries@suse.de>
10258
10259         PR target/85381
10260         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10261         empty loops.
10262
10263 2019-01-07  Tom de Vries  <tdevries@suse.de>
10264
10265         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10266         (nvptx_option_override): Init oacc_bcast_partition.
10267         (nvptx_init_oacc_workers): New function.
10268         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10269         (nvptx_needs_shared_bcast): New function.
10270         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10271         to propagate state.
10272         (nvptx_shared_propagate): Initialize vector bcast partition and
10273         synchronization state.
10274         (nvptx_single):  Generalize to enable vectors to use shared-memory
10275         to propagate state.
10276         (nvptx_process_pars): Likewise.
10277         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10278         * config/nvptx/nvptx.h (struct machine_function): Add
10279         bcast_partition and sync_bar members.
10280
10281 2019-01-07  Tom de Vries  <tdevries@suse.de>
10282
10283         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10284         (nvptx_apply_dim_limits): New function.
10285         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10286         PTX_WARP_SIZE.
10287
10288 2019-01-07  Tom de Vries  <tdevries@suse.de>
10289
10290         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10291         as late as possible.
10292
10293 2019-01-07  Tom de Vries  <tdevries@suse.de>
10294
10295         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10296         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10297         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10298         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10299         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10300
10301 2019-01-07  Tom de Vries  <tdevries@suse.de>
10302
10303         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10304
10305 2019-01-07  Tom de Vries  <tdevries@suse.de>
10306
10307         * omp-offload.c (oacc_get_min_dim): New function.
10308         * omp-offload.h (oacc_get_min_dim): Declare.
10309
10310 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10311
10312         PR target/88521
10313         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10314         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10315
10316 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10317
10318         PR tree-opt/86020
10319         Revert:
10320         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
10321
10322         * ipa-inline.c (edge_badness): Use inlined_time instead of
10323         inline_summaries->get.
10324
10325 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10326
10327         * opts.c (enable_fdo_optimizations): Enable
10328         version-loops-for-strides, loop-interchange, unrol-and-jam
10329         and tree-loop-distribution.
10330         * invoke.texi: Document newly enabled options.
10331
10332 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10333
10334         * doc/invoke.texi (max-inline-insns-small): New parameters.
10335         * ipa-inline.c (want_early_inline_function_p): simplify.
10336         (want_inline_small_function_p): Fix pasto from previous patch;
10337         use max-inline-insns-small bound.
10338         * params.def (max-inline-insns-small): New param.
10339         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10340         variables correctly.
10341
10342 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10343
10344         * doc/invoke.texi: Document max-inline-insns-size,
10345         uninlined-function-insns, uninlined-function-time,
10346         uninlined-thunk-insns and uninlined-thunk-time.
10347         * params.def: Add max-inline-insns-size,
10348         uninlined-function-insns, uninlined-function-time,
10349         uninlined-thunk-insns and uninlined-thunk-time.
10350         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10351         new parameters.
10352         * ipa-inline.c (can_inline_edge_by_limits_p,
10353         want_inline_small_function_p): Use new parameters.
10354
10355 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10356
10357         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10358
10359 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
10360
10361         PR middle-end/82564
10362         PR target/88620
10363         * expr.c (expand_assignment): For calls returning VLA structures
10364         if to_rtx is not a MEM, force it into a stack temporary.
10365
10366         PR debug/88635
10367         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10368         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10369         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10370         subexpressions of both operands.
10371         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10372         subrtxes are CONSTANT_P.
10373         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10374         2018-11-09 changes.
10375
10376 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
10377
10378         * params.def (hot-bb-count-ws-permille): Set to 990.
10379
10380 2019-01-04  Martin Sebor  <msebor@redhat.com>
10381
10382         PR c/88546
10383         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10384         leaf.
10385
10386 2019-01-04  Martin Sebor  <msebor@redhat.com>
10387
10388         PR c/88363
10389         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10390
10391 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10392
10393         * gdbinit.in: Turn off pagination for the skip commands, restore
10394         it to previous state afterwards.
10395
10396 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10397
10398         PR target/88594
10399         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10400         of GET_MODE (opN) as modes of the libcall arguments.
10401
10402 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10403
10404         * config/i386/sse.md
10405         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10406         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10407         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10408         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10409         avx512f_vmcmp<mode>3<round_saeonly_name>,
10410         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10411         avx512f_maskcmp<mode>3,
10412         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10413         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10414         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10415         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10416         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10417         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10418         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10419         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10420         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10421         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10422         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10423         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10424         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10425         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10426         avx512cd_maskb_vec_dup<mode>,
10427         avx512cd_maskw_vec_dup<mode>,
10428         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10429         avx512dq_vmfpclass<mode>,
10430         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10431         instead of =Yk.
10432
10433 2019-01-03  Martin Sebor  <msebor@redhat.com>
10434
10435         PR tree-optimization/88659
10436         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10437
10438 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10439
10440         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10441         unaligned vsx and avoid lxvd2x/stxvd2x.
10442         (gen_lvx_v4si_move): New function.
10443
10444 2019-01-03  Tom de Vries  <tdevries@suse.de>
10445
10446         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10447         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10448         function.
10449         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10450
10451 2019-01-03  Tom de Vries  <tdevries@suse.de>
10452
10453         * config/nvptx/nvptx.c (struct offload_attrs): New.
10454         (populate_offload_attrs): New function.  Factor mask extraction out of
10455         nvptx_reorg.  Add extraction of dimensions.
10456         (nvptx_reorg): Use populate_offload_attrs.
10457
10458 2019-01-03  Tom de Vries  <tdevries@suse.de>
10459
10460         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10461         cases for oacc_min_dims_p and routine_p.  Add asserts for
10462         oacc_default_dims_p and offload_region_p.
10463
10464 2019-01-03  Tom de Vries  <tdevries@suse.de>
10465
10466         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10467         factored out of ...
10468         (nvptx_goacc_validate_dims): ... here.
10469
10470 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10471
10472         PR tree-optimization/85574
10473         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10474         structure.
10475         (struct ssa_equip_hash_traits): Declare.
10476         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10477
10478 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10479
10480         PR debug/88644
10481         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10482         change it to qualified_type.
10483
10484 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10485
10486         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10487         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10488
10489 2019-01-02  Martin Sebor  <msebor@redhat.com>
10490             Jeff Law  <law@redhat.com>
10491
10492         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10493         (get_range_strlen_tree): Update appropriately.
10494         (get_range_strlen)
10495         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10496
10497         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10498         rather than set_range_info.
10499         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10500         maybe_set_strlen_range.  Handle potentially boundary crossing
10501         cases more conservatively.
10502         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10503         Call set_strlen_range.
10504         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10505
10506         PR middle-end/88663
10507         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10508         need the flexp argument.
10509         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10510         from calls to get_range_strlen.  Update comments.  Just update
10511         VAL for an unterminated const char array and let the reset of the
10512         code handle it normally.  No longer try to set *flexp.  Adjust
10513         return value.
10514         (get_range_strlen): Update for the new get_range_strlen API.
10515         (get_maxval_strlen): Similarly.
10516         (gimple_fold_builtin_strlen): Handle update meaning of return value
10517         from get_range_strlen.
10518         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10519         get_range_strlen API.
10520
10521 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10522
10523         PR lto/88130
10524         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10525         false at WPA time when body was removed.
10526
10527 2019-01-02  Martin Liska  <mliska@suse.cz>
10528
10529         PR tree-optimization/88650
10530         * predict.c (set_even_probabilities): Calculate probability
10531         remainer only when really used.
10532
10533 2019-01-02  Richard Biener  <rguenther@suse.de>
10534
10535         PR middle-end/88651
10536         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10537         widest_ints when mangling max_stmt_execution results.
10538
10539 2019-01-02  Richard Biener  <rguenther@suse.de>
10540
10541         PR tree-optimization/88621
10542         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10543         bitfields when canoncalizing.
10544
10545 2019-01-02  Richard Biener  <rguenther@suse.de>
10546
10547         PR target/87545
10548         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10549         cost of cheap SSE instruction.
10550
10551 2019-01-02  Richard Biener  <rguenther@suse.de>
10552
10553         PR ipa/85574
10554         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10555         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10556         function.
10557         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10558         set after UIDs before splitting them.
10559
10560 2019-01-01  Martin Sebor  <msebor@redhat.com>
10561             Jeff Law  <law@redhat.com>
10562
10563         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10564         length is optimistic.  If it is, then arrange to compute the
10565         conservative length as well.
10566
10567         * gimple-fold.h (get_range_strlen): Update prototype.
10568         * builtins.c (check_access): Update call to get_range_strlen to use
10569         c_strlen_data pointer.   Change various variable accesses to instead
10570         pull data from the c_strlen_data structure.
10571         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10572         * calls.c (maybe_warn_nonstring_arg): Likewise.
10573         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10574         minimum length if maximum lengh is unknown.
10575         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10576         that used c_strlen, it's no longer needed.  Restructure slightly.
10577         (format_string): Set unlikely range appropriately.
10578         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10579         formatting issues.
10580         (get_range_strlen):  Accept c_strlen_data pointer for external
10581         call sites as well.  Pass through to call to internal get_range_strlen.
10582         Adjust minlen, maxlen and maxbound as needed.
10583         (get_maxval_strlen): Update comments.
10584         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10585         to use c_strlen_data pointer.  Change variable accesses to instead
10586         use c_strlen_data data members.
10587
10588         * gimple-fold.c (get_range_strlen): Update prototype.
10589         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10590         local variables.  Use pdata to return information to caller.
10591         Update calls to get_range_strlen.  Update pdata->maxbound.
10592         (get_range_strlen -- static version): Similarly.
10593         (get_range_strlen -- extern version): Update for internal
10594         get_range_strlen API change.  Convert to external data format.
10595         (get_maxval_strlen): Similarly.
10596
10597 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10598
10599         * coverage.c (get_coverage_counts): Use current_function_decl.
10600         * profile.c (read_thunk_profile): New function.
10601         (branch_prob): Add THUNK parameter.
10602         * tree-profile.c (tree_profiling): Handle thunks.
10603         * value-prof.c (init_node_map): Handle thunks.
10604         * value-prof.h (branch_prob): Upate prototype.
10605         (read_thunk_profile): Declare.
10606
10607 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10608
10609         Update copyright years.
10610
10611         * gcc.c (process_command): Update copyright notice dates.
10612         * gcov-dump.c (print_version): Ditto.
10613         * gcov.c (print_version): Ditto.
10614         * gcov-tool.c (print_version): Ditto.
10615         * gengtype.c (create_file): Ditto.
10616         * doc/cpp.texi: Bump @copying's copyright year.
10617         * doc/cppinternals.texi: Ditto.
10618         * doc/gcc.texi: Ditto.
10619         * doc/gccint.texi: Ditto.
10620         * doc/gcov.texi: Ditto.
10621         * doc/install.texi: Ditto.
10622         * doc/invoke.texi: Ditto.
10623 \f
10624 Copyright (C) 2019 Free Software Foundation, Inc.
10625
10626 Copying and distribution of this file, with or without modification,
10627 are permitted in any medium without royalty provided the copyright
10628 notice and this notice are preserved.