gcc/ChangeLog

   1 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
   2
   3         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
   4         multiplication by a power-of-two value.
   5         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
   6         and turn the modulo operation into a masking operation.
   7
   8 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
   9
  10         PR debug/90733
  11         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
  12         with VOIDmode inner operands.
  13
  14 2019-06-05  Richard Biener  <rguenther@suse.de>
  15
  16         PR middle-end/90726
  17         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
  18         turn an expression graph into a tree.
  19
  20 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
  21
  22         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
  23         member.
  24         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
  25         treat it like explicit monotonic schedule modifier.
  26         (expand_omp_for): Initialize has_lastprivate_conditional.
  27         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
  28         schedule modifier.
  29
  30         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
  31         references, lookup in in hash map MEM_REF operand instead of the
  32         MEM_REF itself.
  33         (lower_omp_1): When looking for lastprivate conditional assignments,
  34         handle MEM_REFs with REFERENCE_TYPE operands.
  35
  36         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
  37         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
  38         and references a VLA.  Handle references to non-VLAs if is_simd
  39         all privatization clauses like reductions.
  40         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
  41         If omp_is_reference, use always omp simd arrays and set
  42         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
  43         fails, emit reference initialization.
  44
  45 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
  46
  47         PR target/89803
  48         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
  49         _mm_mask_fpclass_sd_mask): New intrinsics.
  50         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
  51         * config/i386/i386-builtin.def
  52         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
  53         New builtins.
  54         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
  55         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
  56         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
  57         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
  58         case QI_FTYPE_V2SF_INT): Ditto.
  59         * config/i386/sse.md
  60         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
  61         Extended to insnstructions with mask operands.
  62
  63 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  64
  65         * config/rs6000/constraints.md (define_register_constraint "wp"):
  66         Delete.
  67         (define_register_constraint "wq"): Delete.
  68         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  69         (rs6000_init_hard_regno_mode_ok): Adjust.
  70         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  71         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
  72         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
  73         (define_mode_attr VSa): Delete.
  74         (define_mode_attr VSisa): New.
  75         (rest of file): Adjust.
  76         * doc/md.texi (Machine Constraints): Adjust.
  77
  78 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  79
  80         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
  81         (define_attr "enabled"): Handle those new isa values.
  82
  83 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  84
  85         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
  86         (define_mode_attr VSr5): Delete.
  87         (define_mode_attr VStype_sqrt): Delete.
  88         (define_mode_iterator VSX_SPDP): Delete.
  89         (define_mode_attr VS_spdp_res): Delete.
  90         (define_mode_attr VS_spdp_insn): Delete.
  91         (define_mode_attr VS_spdp_type): Delete.
  92         (*vsx_sqrt<mode>2): Adjust.
  93         (vsx_<VS_spdp_insn>): Delete, split to...
  94         (vsx_xscvdpsp): ... this.  New.  And...
  95         (vsx_xvcvspdp): ... this.  New.  And...
  96         (vsx_xvcvdpsp): ... this.  New.
  97
  98 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
  99
 100         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 101         and V2DF.
 102         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 103         (rest of file): Adjust.
 104
 105 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 106
 107         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 108         (vsx_extract_<mode>_var): Ditto.
 109
 110 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 111
 112         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 113         with just "wa".
 114
 115 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 116
 117         * config/rs6000/constraints.md (define_register_constraint "ww"):
 118         Delete.
 119         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 120         (rs6000_init_hard_regno_mode_ok): Adjust.
 121         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 122         RS6000_CONSTRAINT_ww.
 123         * config/rs6000/rs6000.md: Adjust.
 124         * config/rs6000/vsx.md: Adjust.
 125         * doc/md.texi (Machine Constraints): Adjust.
 126
 127 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 128
 129         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 130         (define_mode_attr sd): New.
 131         (define_mode_attr s): New.
 132         (define_mode_attr Ftrad): Delete.
 133         (define_mode_attr Fvsx): Delete.
 134         (define_mode_attr Fs): Delete.
 135         (rest of file): Use the new mode attributes.
 136         * config.rs6000/vsx.md: Use the new mode attributes.
 137
 138 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 139
 140         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 141         with just "wa".
 142
 143 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 144
 145         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 146         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 147         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 148
 149 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 150
 151         PR target/78263
 152         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 153         C++ with strict ANSI requirements.
 154
 155 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 156
 157         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 158         computations when step is 1.
 159
 160 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 161
 162         * config/rs6000/constraints.md (define_register_constraint "wf"):
 163         Delete.
 164         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 165         (rs6000_init_hard_regno_mode_ok): Adjust.
 166         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 167         RS6000_CONSTRAINT_wf.
 168         * config/rs6000/rs6000.md: Adjust.
 169         * config/rs6000/vsx.md: Adjust.
 170         * doc/md.texi (Machine Constraints): Adjust.
 171
 172 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 173
 174         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 175         Fix ILP32 value.
 176
 177 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 178
 179         * config/rs6000/constraints.md (define_register_constraint "wd"):
 180         Delete.
 181         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 182         (rs6000_init_hard_regno_mode_ok): Adjust.
 183         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 184         RS6000_CONSTRAINT_wd.
 185         * config/rs6000/rs6000.md: Adjust.
 186         * config/rs6000/vsx.md: Adjust.
 187         * doc/md.texi (Machine Constraints): Adjust.
 188
 189 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 190
 191         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 192         (rest of file): Adjust.
 193
 194 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 195
 196         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 197         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 198         (vsx_splat_<mode>_reg): Adjust.
 199
 200 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 201
 202         * config/rs6000/constraints.md (define_register_constraint "ws"):
 203         Delete.
 204         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 205         (rs6000_init_hard_regno_mode_ok): Adjust.
 206         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 207         RS6000_CONSTRAINT_ws.
 208         * config/rs6000/rs6000.md: Adjust.
 209         * config/rs6000/vsx.md: Adjust.
 210         * doc/md.texi (Machine Constraints): Adjust.
 211
 212 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 213
 214         * config/rs6000/constraints.md (define_register_constraint "wv"):
 215         Delete.
 216         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 217         (rs6000_init_hard_regno_mode_ok): Adjust.
 218         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 219         RS6000_CONSTRAINT_wv.
 220         * config/rs6000/rs6000.md: Adjust.
 221         * config/rs6000/vsx.md: Adjust.
 222         * doc/md.texi (Machine Constraints): Adjust.
 223
 224 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 225
 226         * config/rs6000/constraints.md (define_register_constraint "wi"):
 227         Delete.
 228         (define_register_constraint "wt"): Delete.
 229         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 230         (rs6000_init_hard_regno_mode_ok): Adjust.
 231         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 232         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 233         * config/rs6000/rs6000.md: Adjust.
 234         * config/rs6000/vsx.md: Adjust.
 235         * doc/md.texi (Machine Constraints): Adjust.
 236
 237 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 238
 239         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 240         const.
 241         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 242         default_elf_asm_output_external.
 243
 244 2019-06-04  Martin Liska  <mliska@suse.cz>
 245
 246         * ipa-icf.c (INCLUDE_LIST): Remove.
 247         (sem_item_optimizer::execute): Remove call to init_wpa.
 248         * ipa-icf.h (init_wpa): Remove.
 249
 250 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 251
 252         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 253         conditional on combined for simd.
 254         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 255         member.
 256         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 257         constructs, don't remove lastprivate_conditional_map, but instead set
 258         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 259         to parent construct temporaries.
 260         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 261         like !ctx->lastprivate_conditional_map.
 262         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 263         use up->outer context instead of up.
 264         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 265         gimple_omp_for_combined_p.
 266         (expand_omp_for_static_nochunk): Likewise.
 267         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 268         probably moved over into expand_omp_for_generic rather than being copied
 269         there.
 270
 271 2019-06-04  Martin Liska  <mliska@suse.cz>
 272
 273         * value-prof.c (dump_histogram_value): Fix typo.
 274         (gimple_mod_subtract_transform): Likewise.
 275
 276 2019-06-04  Richard Biener  <rguenther@suse.de>
 277
 278         PR middle-end/90726
 279         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 280         (tree_contains_chrecs): Likewise.
 281         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 282         exponential behaivor from ...
 283         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 284         ... here.
 285         (expression_expensive_p): Avoid exponential behavior and compute
 286         expanded size, rejecting any expansion.
 287         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 288         (idx_contains_abnormal_ssa_name_p): Likewise.
 289         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 290         (contains_abnormal_ssa_name_p): Simplify and use
 291         walk_tree_without_duplicates.
 292
 293 2019-06-04  Richard Biener  <rguenther@suse.de>
 294
 295         PR tree-optimization/90738
 296         Revert
 297         2019-06-03  Richard Biener  <rguenther@suse.de>
 298
 299         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 300         full reference tree and record in ref->ref.
 301         (vn_reference_lookup_3): Pass in original ref to
 302         ao_ref_init_from_vn_reference.
 303         (vn_reference_lookup): Likewise.
 304         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 305         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 306         Handle non-decl bases in the original reference.
 307
 308 2019-06-04  Martin Liska  <mliska@suse.cz>
 309
 310         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 311         number of references.
 312         (sem_item_optimizer::do_congruence_step):
 313         (sem_item_optimizer::worklist_push): Dump how references
 314         a class has.
 315         (sem_item_optimizer::worklist_pop): Use heap.
 316         (sem_item_optimizer::process_cong_reduction): Likewise.
 317         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 318
 319 2019-06-04  Martin Liska  <mliska@suse.cz>
 320
 321         * ipa-icf.h (struct sem_usage_pair_hash): New.
 322         (sem_usage_pair_hash::hash): Likewise.
 323         (sem_usage_pair_hash::equal): Likewise.
 324         (struct sem_usage_hash): Likewise.
 325         * ipa-icf.c (sem_item::sem_item): Initialize
 326         referenced_by_count.
 327         (sem_item::add_reference): Register a reference
 328         in ref_map and not in target->usages.
 329         (sem_item::setup): Remove initialization of
 330         dead vectors.
 331         (sem_item::~sem_item): Remove usage of dead vectors.
 332         (sem_item::dump): Remove dump of references.
 333         (sem_item_optimizer::sem_item_optimizer): Initialize
 334         m_references.
 335         (sem_item_optimizer::read_section): Remove useless
 336         dump.
 337         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 338         (sem_item_optimizer::build_graph): Pass m_references
 339         to ::add_reference.
 340         (sem_item_optimizer::verify_classes): Remove usage of dead
 341         vectors.
 342         (sem_item_optimizer::traverse_congruence_split): Return true
 343         when a class is split.
 344         (sem_item_optimizer::do_congruence_step_for_index): Use
 345         hash_map for look up of (sem_item *, index). That brings
 346         significant speed up.
 347         (sem_item_optimizer::do_congruence_step): Return true
 348         when a split is done.
 349         (congruence_class::is_class_used): Use referenced_by_count.
 350
 351 2019-06-04  Alan Modra  <amodra@gmail.com>
 352
 353         PR target/90689
 354         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 355         error.
 356
 357 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 358
 359         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 360         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 361         (rs6000_secondary_reload_simple_move): Adjust.
 362         (rs6000_opt_masks): Neuter the "mfpgpr" option.
 363         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
 364         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
 365         comment.
 366         (power6x): Adjust.
 367         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
 368         (floatunssi<mode>2_lfiwzx): Adjust.
 369         (fix_trunc<mode>si2_stfiwx): Adjust.
 370         (fixuns_trunc<mode>si2_stfiwx): Adjust.
 371         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
 372         (mfpgpr): Mark as deprecated.
 373         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
 374         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
 375         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
 376
 377 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 378
 379         * config/rs6000/constraints.md (define_register_constraint "wg"):
 380         Delete.
 381         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 382         RS6000_CONSTRAINT_wg.
 383         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 384         (rs6000_init_hard_regno_mode_ok): Adjust.
 385         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
 386         Delete "wg" alternatives.
 387         * doc/md.texi (Machine Constraints): Adjust.
 388
 389 2019-06-03  Alan Modra  <amodra@gmail.com>
 390
 391         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
 392         (get_uncond_jump_length): Assert length less than INT_MAX and
 393         non-negative.
 394
 395 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 396
 397         PR middle-end/64242
 398         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
 399         block.
 400         (expand_builtin_nonlocal_goto): Likewise.
 401
 402 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 403
 404         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
 405         (aarch64_asm_output_external): Declare.
 406         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
 407         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
 408         (aarch64_asm_output_alias): New.
 409         (aarch64_asm_output_external): New.
 410         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
 411         (ASM_OUTPUT_EXTERNAL): Define.
 412
 413 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
 414         * tree-vrp.h (value_range_base::nonzero_p): New.
 415         (value_range_base::set_nonnull): Rename to...
 416         (value_range_base::set_nonzero): ...this.
 417         (value_range_base::set_null): Rename to...
 418         (value_range_base::set_zero): ...this.
 419         (value_range::set_nonnull): Remove.
 420         (value_range::set_null): Remove.
 421         * tree-vrp.c (range_is_null): Remove.
 422         (range_is_nonnull): Remove.
 423         (extract_range_from_binary_expr): Use value_range_base::*zero_p
 424         instead of range_is_*null.
 425         (extract_range_from_unary_expr): Same.
 426         (value_range_base::set_nonnull): Rename to...
 427         (value_range_base::set_nonzero): ...this.
 428         (value_range::set_nonnull): Remove.
 429         (value_range_base::set_null): Rename to...
 430         (value_range_base::set_zero): ...this.
 431         (value_range::set_null): Remove.
 432         (extract_range_from_binary_expr): Rename set_*null uses to
 433         set_*zero.
 434         (extract_range_from_unary_expr): Same.
 435         (union_helper): Same.
 436         * vr-values.c (get_value_range): Use set_*zero instead of
 437         set_*null.
 438         (vr_values::extract_range_from_binary_expr): Same.
 439         (vr_values::extract_range_basic): Same.
 440
 441 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 442
 443         PR driver/90684
 444         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
 445
 446 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 447
 448         * config/aarch64/iterators.md (MAX_OPP): New code attr.
 449         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
 450         (aarch64_<su>abd<mode>_3): ... This.
 451         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
 452
 453 2019-06-03  Richard Biener  <rguenther@suse.de>
 454
 455         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 456         full reference tree and record in ref->ref.
 457         (vn_reference_lookup_3): Pass in original ref to
 458         ao_ref_init_from_vn_reference.
 459         (vn_reference_lookup): Likewise.
 460         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 461         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 462         Handle non-decl bases in the original reference.
 463
 464 2019-06-03  Martin Liska  <mliska@suse.cz>
 465
 466         * doc/generic.texi: Remove Java Trees.
 467
 468 2019-06-03  Martin Liska  <mliska@suse.cz>
 469
 470         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
 471         returns 0 when operands are equal.
 472
 473 2019-06-03  Richard Biener  <rguenther@suse.de>
 474
 475         PR tree-optimization/90716
 476         * tree-loop-distribution.c (destroy_loop): Process blocks in
 477         correct order.
 478
 479 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 480
 481         PR target/88837
 482         * vector-builder.h (vector_builder::count_dups): New method.
 483         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
 484         Declare prototype.
 485         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
 486         (vec_init<mode><Vel>): New pattern.
 487         * config/aarch64/aarch64.c (emit_insr): New function.
 488         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
 489         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
 490         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
 491         (aarch64_sve_expand_vector_init): Define two overloaded functions.
 492
 493 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 494
 495         PR tree-optimization/90681
 496         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
 497         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
 498         special case for SLP, but fail on non-groupped loads.
 499
 500 2019-06-03  Martin Liska  <mliska@suse.cz>
 501
 502         * cfg.c (debug): Use TDF_DETAILS for debug and
 503         print edge info only once.
 504
 505 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 506
 507         PR fortran/90539
 508         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
 509
 510 2019-06-01  Martin Sebor  <msebor@redhat.com>
 511
 512         PR middle-end/90694
 513         * tree-pretty-print.c (dump_generic_node): Add parentheses.
 514
 515 2019-05-31  Jan Hubicka  <jh@suse.cz>
 516
 517         * alias.c: Include ipa-utils.h.
 518         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
 519         * ipa-devirt.c (prevailing_odr_type): New.
 520         * ipa-utils.h (previaling_odr_type): Declare.
 521
 522 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 523             Hongtao Liu  <hongtao.liu@intel.com>
 524
 525         PR target/89355
 526         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
 527         NOTE_INSN_DELETED_LABEL check.
 528
 529 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
 530             Robert Suchanek  <robert.suchanek@mips.com>
 531
 532         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
 533         and 3rd operands of the fmadd/fmsub/maddv builtin.
 534
 535 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 536
 537         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
 538         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 539         on OMP_SIMD if not nested inside of worksharing loop that also has
 540         lastprivate conditional clause for the same decl.
 541         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
 542         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
 543         on simd.
 544         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
 545         on simd construct.
 546         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
 547         on simd construct.
 548         (lower_lastprivate_clauses): Likewise.
 549         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
 550         calling lower_rec_input_clauses.
 551         (lower_omp_for): Likewise.
 552         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
 553         clause on simd construct.
 554         * omp-expand.c (expand_omp_simd): Initialize cond_var if
 555         OMP_CLAUSE__CONDTEMP_ clause is present.
 556
 557         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
 558         ivar and lvar.
 559
 560 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 561
 562         PR c/43673
 563         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
 564         TEX_D32, TEX_D64 or TEX_D128.
 565
 566 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 567
 568         * match.pd (~(vec?cst1:cst2)): New transformation.
 569
 570 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 571
 572         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
 573         ((size_t)(A /[ex] B) CMP C): New transformation.
 574
 575 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
 576
 577         * doc/md.texi: Document define_insn_and_rewrite.
 578         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 579         * gensupport.c (queue_elem): Update comment.
 580         (replace_operands_with_dups): New function.
 581         (gen_rewrite_sequence): Likewise.
 582         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 583         * read-rtl.c (apply_subst_iterator): Likewise.
 584         (add_condition_to_rtx, named_rtx_p): Likewise.
 585         (rtx_reader::read_rtx_operand): Likewise.
 586         * config/aarch64/aarch64-sve.md
 587         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 588         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 589         define_insn_and_rewrite.
 590         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 591         Remove separate define_split.
 592
 593 2019-05-31  Jan Hubicka  <jh@suse.cz>
 594
 595         * tree-ssa-alias.c (type_has_components_p): New function.
 596         (aliasing_component_refs_p): Use it.
 597
 598 2019-05-31  Martin Liska  <mliska@suse.cz>
 599
 600         * gdbhooks.py: Add const_tree to TreePrinter.
 601
 602 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 603
 604         PR debug/86964
 605         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 606         * doc/invoke.texi (Debugging Options): Document new default of
 607         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 608
 609 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 610
 611         PR tree-optimization/90671
 612         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 613         template_block used to be empty on the first call, don't use
 614         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 615         seq with bb_seq and set it with set_bb_seq.
 616
 617 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 618
 619         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 620
 621 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 622             Michael Meissner  <meissner@linux.ibm.com>
 623
 624         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 625         (prefixed_mem_operand): Likewise.
 626         (non_prefixed_mem_operand): Likewise.
 627         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 628         prototype.
 629         * config/rs6000/rs6000.c (print_operand_address): Handle
 630         PC-relative addresses.
 631         (mode_supports_prefixed_address_p): New function.
 632         (rs6000_prefixed_address): New function.
 633         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 634         (SYMBOL_REF_PCREL_P): Likewise.
 635
 636 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 637
 638         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 639         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 640         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 641         is nested inside of parallel region, add _condtemp_ clause to both.
 642         * tree-nested.c (convert_nonlocal_omp_clauses,
 643         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 644         assertion failure.
 645         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 646         member.
 647         * omp-general.c (omp_extract_for_data): Compute it.
 648         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 649         (lower_rec_input_clauses): Likewise.
 650         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 651         clause is already present, just add one further one after it.
 652         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 653         (lower_send_shared_vars): Clear _condtemp_ vars.
 654         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 655         or section or taskgroup.
 656         * omp-expand.c (determine_parallel_type): Disallow combining only if
 657         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 658         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 659         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 660         expand_omp_for_static_chunk, expand_omp_for): Use
 661         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 662         determine if a special set of API routines are needed and if condtemp
 663         needs to be initialized, while always initialize cond_var if
 664         fd->lastprivate_conditional is non-zero.
 665
 666 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 667             Michael Meissner  <meissner@linux.ibm.com>
 668
 669         * config/rs6000/constraints.md (eI): New constraint.
 670         * config/rs6000/predicates.md (cint34_operand): New predicate.
 671         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 672         (SIGNED_34BIT_OFFSET_P): Likewise.
 673         * doc/md.texi (eI): Document constraint.
 674
 675 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 676
 677         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 678
 679 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 680             Michael Meissner  <meissner@linux.ibm.com>
 681
 682         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 683         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 684         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 685         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 686         (OTHER_FUTURE_MASKS): Likewise.
 687         (POWERPC_MASKS): Likewise.
 688         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 689         specified without -mprefixed-addr or -mcpu=future.  Error if
 690         -mprefixed-addr is specified without -mcpu=future.
 691         (rs6000_opt_masks): Add entry for prefixed-addr.
 692         * rs6000.opt (mprefixed-addr): New option.
 693
 694 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 695
 696         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 697         cfun->is_thunk check.
 698
 699 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 700
 701         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 702         to length.
 703
 704 2019-05-30  Martin Liska  <mliska@suse.cz>
 705
 706         * gdbinit.in: Fix 'ptc' command.  Add trt
 707         that prints TREE_TYPE($).
 708
 709 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 710             Alan Modra  <amodra@gmail.com>
 711
 712         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 713         calls here...
 714         (rs6000_indirect_call_template_1): ...and here.
 715         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 716         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 717         rs6000_pltseq_enum.
 718         (rs6000_decl_ok_for_sibcall): New function.
 719         (rs6000_function_ok_for_sibcall): Refactor.
 720         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 721         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 722         when pcrel.  Reorganize.
 723         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 724         * rs6000.h (rs6000_pltseq_enum): New enum.
 725         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 726         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 727         (*pltseq_plt16_ha): Likewise.
 728         (*pltseq_plt16_lo): Likewise.
 729         (*pltseq_mtctr): Likewise.
 730         (*pltseq_plt_pcrel): New insn.
 731         (*call_local_aix): Handle @notoc calls.
 732         (*call_value_local_aix): Likewise.
 733         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 734         (*call_value_nonlocal_aix): Likewise.
 735         (*call_indirect_pcrel): New insn.
 736         (*call_value_indirect_pcrel): Likewise.
 737
 738
 739 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 740
 741         * config/i386/sse.md (*save_multiple<mode>): Rename from
 742         save_multiple<mode>.
 743         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 744         (*restore_multiple_and_return<mode>): Rename from
 745         restore_multiple_and_return<mode>.
 746         (*restore_multiple_leave_return<mode>): Rename from
 747         restore_multiple_leave_return<mode>.
 748
 749 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 750
 751         * config.gcc (rx-*-linux*): New target.
 752         * config/rx/elf.opt: New file.
 753         * config/rx/linux.h: Likewise.
 754         * config/rx/t-linux: Likewise.
 755         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 756         make it zero.
 757         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 758         (ASM_APP_OFF): Likewise.
 759         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 760         moved elsewhere.
 761
 762 2019-05-29  Jan Hubicka  <jh@suse.cz>
 763
 764         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 765         variants are pointer equivalent.
 766
 767 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 768
 769         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 770         * config/aarch64/aarch64-sve2.md: New file.
 771         (<u>avg<mode>3_floor): New pattern.
 772         (<u>avg<mode>3_ceil): Likewise.
 773         (*<sur>h<addsub><mode>): Likewise.
 774         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 775         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 776
 777 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 778
 779         PR bootstrap/90543
 780         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 781         for var_opt_string printing.  In cl_optimization_print_diff, print
 782         (null) instead of invoking undefined behavior if one of the
 783         var_opt_string pointers is NULL and use && instead of first || in the
 784         guarding condition.  For var_target_other options, handle const char *
 785         target variables similarly to const char * optimize node variables.
 786
 787 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 788
 789         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 790         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 791         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 792         Add autib1716 and pacib1716 initialisation.
 793         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 794         for autib1716 and pacib1716.
 795         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 796         aarch64_post_cfi_startproc): Define.
 797         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 798         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 799         aarch64_handle_pac_ret_protection): Set default sign key to A.
 800         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 801         aarch64_expand_prologue): Add check for b-key.
 802         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 803         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 804         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 805         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 806         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 807         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 808         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 809         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 810         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 811         pauth_hint_num_a with pauth_hint_num.
 812         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 813         pauth_hint_num_a with pauth_hint_num.
 814         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 815         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 816         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 817         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 818         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 819         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 820         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 821         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 822         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 823         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 824         UNSPEC_AUTIA1716 respectively.
 825         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 826         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 827         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 828         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 829         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 830
 831 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 832
 833         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 834         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 835         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 836         explicit clause on combined parallel into implicit shared clause.
 837         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 838         and firstprivate if the decl has one too from combined parallel to
 839         the worksharing construct.
 840
 841 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 842             Michael Meissner  <meissner@linux.ibm.com>
 843
 844         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 845
 846 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 847
 848         * rtl.h (LABEL_REF_P): New #define.
 849
 850 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 851
 852         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 853
 854 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 855
 856         * internal-fn.c: Marked mask_load_direct as vectorizable.
 857         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 858         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 859         combined even if masks different with allow_slp_p param.
 860         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 861         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 862         dissolve SLP-only vectorizable groups when SLP has been discarded.
 863         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 864         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 865         masks.
 866         (vect_build_slp_tree_1): Fixed comment typo.
 867         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 868         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 869         loads for SLP only.
 870         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 871         vectorizable.
 872         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 873
 874 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 875
 876         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 877         Remove obsolete use_thunk reference.
 878         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 879         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 880         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 881         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 882         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 883         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 884         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 885         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 886         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 887
 888 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 889
 890         * tree.h (IDENTIFIER_ANON_P): New.
 891         (anon_aggrname_format, anon_aggname_p): Don't declare.
 892         (make_anon_name): Declare.
 893         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 894         (hash_tree): Likewise.
 895         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 896         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 897         (anon_cnt, make_anon_name): New.
 898
 899 2019-05-28  Martin Liska  <mliska@suse.cz>
 900
 901         PR other/90315
 902         * opts-global.c (decode_options): Print help for all
 903         help_option_arguments.
 904         * opts.c (print_help): Add new argument.
 905         (common_handle_option): Remember all values into
 906         help_option_arguments.
 907         * opts.h (print_help): Add new argument.
 908
 909 2019-05-28  Martin Liska  <mliska@suse.cz>
 910
 911         PR ipa/90555
 912         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 913         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 914         (func_checker::compare_bb): Call compare_loops.
 915
 916 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 917
 918         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 919         on sections construct.
 920         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 921         construct.
 922         (lower_omp_sections): Handle lastprivate conditional.
 923         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 924         lastprivate_conditional_map.
 925         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 926
 927         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 928         critical, taskgroup and section regions when looking for a region
 929         with non-NULL lastprivate_conditional_map.
 930
 931 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 932
 933         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 934         (*ix86_gen_sub3): Ditto.
 935         (*ix86_gen_sub3_carry): Ditto.
 936         (*ix86_gen_one_cmpl2): Ditto.
 937         (*ix86_gen_andsp): Ditto.
 938         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 939         (gen_and2_insn): New static function.
 940         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 941         Use gen_add3_insn instead of ix86_gen_add3.
 942         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 943         instead of ix86_gen_add3.
 944         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 945         Use gen_sub3_insn instead of ix86_gen_sub3.
 946         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 947         instead of ix86_gen_add3.
 948         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 949         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 950         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 951         * config/i386/i386-options.c (ix86_option_override_internal):
 952         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 953         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 954
 955 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 956
 957         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 958         and DW_OP_GNU_const_index opcodes.
 959
 960 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 961
 962         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 963
 964 2019-05-27  Richard Biener  <rguenther@suse.de>
 965
 966         PR tree-optimization/90637
 967         * tree-ssa-sink.c (statement_sink_location): Honor the
 968         computed sink location for single-uses.
 969
 970 2019-05-27  Richard Biener  <rguenther@suse.de>
 971
 972         PR middle-end/90610
 973         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 974         a bit-insert.
 975
 976 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 977
 978         * config/i386/i386.md (@sub<mode>3_carry): Rename
 979         from sub<mode>3_carry.
 980         (@leave_<mode>): New expander.
 981         (*leave): Rename from leave.
 982         (*leave_rex64): Rename from leave_rex64.
 983         (@monitorx_<mode>): Rename from monitorx_<mode>.
 984         (@clzero_<mode>): Rename from clzero_<mode>.
 985         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 986         from sse3_monitor_<mode>.
 987         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 988         (*ix86_gen_leave): Ditto.
 989         (*ix86_gen_monitor): Ditto.
 990         (*ix86_gen_monitorx): Ditto.
 991         (*ix86_gen_clzero): Ditto.
 992         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 993         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 994         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 995         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 996         Use gen_sse3_monitor instead of ix86_gen_monitor.
 997         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 998         instead of ix86_gen_monitorx.
 999         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1000         instead of ix86_gen_clzero.
1001         * config/i386/i386-options.c (ix86_option_override_internal):
1002         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1003         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1004
1005 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1006
1007         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1008         Rename from tls_global_dynamic_64_<mode>.
1009         (@tls_local_dynamic_base_64_<mode>): Rename from
1010         tls_local_dynamic_base_64_<mode>.
1011         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1012         Remove indirect function.
1013         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1014         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1015         instead of ix86_gen_tls_global_dynamic_64.
1016         Use gen_tls_local_dynamic_base_64 instead of
1017         ix86_gen_tls_local_dynamic_base_64.
1018         * config/i386/i386-options.c (ix86_option_override_internal):
1019         Do not initialize ix86_gen_tls_global_dynamic_64 and
1020         ix86_gen_tls_local_dynamic_base_64.
1021
1022 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1023
1024         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1025         Rename from pro_epilogue_adjust_stack_<mode>_add.
1026         (@pro_epilogue_adjust_stack_sub_<mode>)
1027         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1028         (@allocate_stack_worker_probe_<mode>):
1029         Rename from allocate_stack_worker_probe_<mode>.
1030         (allocate_stack): Use gen_allocate_stack_worker_probe.
1031         (probe_stack): Use gen_probe_stack_1.
1032         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1033         (@adjust_stack_and_probe_<mode>): Rename from
1034         adjust_stack_and_probe<mode>.
1035         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1036         (stack_protect_set): Use gen_stack_protect_set_1.
1037         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1038         (stack_protect_test): Use gen_stack_protect_test_1.
1039         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1040         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1041         Remove indirect function.
1042         (*ix86_gen_adjust_stack_and_probe): Ditto.
1043         (*ix86_gen_probe_stack_range): Ditto.
1044         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1045         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1046         (ix86_adjust_stack_and_probe_stack_clash): Use
1047         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1048         (ix86_adjust_stack_and_probe): Ditto.
1049         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1050         of ix86_gen_probe_stack_range.
1051         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1052         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1053         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1054         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1055         CODE_FOR_stack_protect_test_{si,di}.
1056         * config/i386/i386-options.c (ix86_option_override_internal):
1057         Do not initialize ix86_gen_allocate_stack_worker,
1058         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1059
1060 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1061
1062         * doc/invoke.texi (Link Options): Many editorial changes around
1063         -flinker-output.
1064
1065 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1066
1067         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1068         pre-Solaris 11 referene and most Studio compiler details.
1069
1070 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1071
1072         PR target/90530
1073         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1074         DImode to SImode in floating-point registers on 64-bit target.
1075         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1076         register_operand in xmpyu patterns.
1077
1078 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1079
1080         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1081         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1082         OMP_CLAUSE__REDUCTEMP_.
1083         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1084         OMP_CLAUSE__CONDTEMP_.
1085         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1086         * tree-pretty-print.c (dump_omp_clause): Likewise.
1087         * tree-nested.c (convert_nonlocal_omp_clauses,
1088         convert_local_omp_clauses): Likewise.
1089         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1090         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1091         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1092         on OMP_FOR.
1093         (gimplify_omp_for): Warn and disable conditional modifier from
1094         lastprivate on loop iterators.
1095         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1096         member.
1097         * omp-general.c (omp_extract_for_data): Initialize it.
1098         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1099         member.
1100         (delete_omp_context): Delete it.
1101         (lower_lastprivate_conditional_clauses): New function.
1102         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1103         handle lastprivate conditional clauses.
1104         (lower_reduction_clauses): Add CLIST argument, emit it into
1105         the critical section if any.
1106         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1107         lower_reduction_clauses callers.
1108         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1109         to lower_lastprivate_clauses.
1110         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1111         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1112         clist into a critical section if not emitted there already by
1113         lower_reduction_clauses.
1114         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1115         callers.
1116         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1117         conditional variables.
1118         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1119         clause is present.
1120         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1121         expand_omp_for_static_chunk): Handle lastprivate conditional.
1122         (expand_omp_for): Handle fd.lastprivate_conditional like
1123         fd.have_reductemp.
1124
1125 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1126
1127         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1128         kernel does not exit cleanly.
1129         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1130
1131 2019-05-24  Jason Merrill  <jason@redhat.com>
1132
1133         Revert:
1134         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1135
1136 2019-05-24  Richard Biener  <rguenther@suse.de>
1137
1138         PR testsuite/90607
1139         * tree-loop-distribution.c (struct partition): Add location
1140         member.
1141         (partition_alloc): Initialize all fields.
1142         (generate_memset_builtin): Use the location recorded in the
1143         partition for the generated call.
1144         (generate_memcpy_builtin): Likewise.
1145         (classify_partition): Record the location of a single store
1146         as location for the partition.
1147
1148 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1149
1150         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1151         for lo-part.
1152
1153 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1154
1155         PR target/90588
1156         * common/config/aarch64/aarch64-common.c
1157         (aarch64_rewrite_selected_cpu): Change local temporary variable
1158         type from unsigned long to uint64_t.
1159         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1160         aarch64_get_extension_string_for_isa_flags): Change declaration to
1161         match new definition by replacing unsigned long with uint64_t.
1162
1163 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR target/90568
1166         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1167         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1168         Handle stack_protect_test_<mode> codegen similarly to corresponding
1169         sub instruction.
1170
1171 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1172
1173        * config/i386/darwin.h: Reject -mfentry*.
1174        * doc/sourcebuild.texi: Document mfentry target support.
1175
1176 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1177
1178         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1179         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1180         false for PC-relative functions.
1181         (rs6000_output_function_prologue): Change called function name to
1182         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1183         name,1" for PC-relative functions.
1184         (rs6000_elf_declare_function_name): Change called function name to
1185         rs6000_global_entry_point_prologue_needed_p.
1186
1187 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1188
1189         PR target/90552
1190         * config/i386/i386.c (gen_rtx_cost):
1191         Use ix86_tune_cost instead of ix86_cost.
1192
1193 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1194             Michael Meissner  <meissner@linux.ibm.com>
1195             Segher Boessenkool  <segher@kernel.crashing.org>
1196
1197         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1198         OPTION_MASK_PCREL.
1199         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1200         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1201         (rs6000_fndecl_pcrel_p): Likewise.
1202         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1203         error if -mpcrel is requested without -mcpu=future.
1204         (rs6000_opt_masks): Add entry for pcrel.
1205         (rs6000_fndecl_pcrel_p): New function.
1206         (rs6000_pcrel_p): Likewise.
1207         * config/rs6000/rs6000.opt (mpcrel): New option.
1208         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1209
1210 2019-05-23  Jan Hubicka  <jh@suse.cz>
1211             Martin Liska  <mliska@suse.cz>
1212
1213         PR tree-optimization/90576
1214         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1215         poly_int_tree_p.
1216         (aliasing_component_refs_p): Fix three way size compare conditional;
1217         give up earlier in case we can not decide on equivalence.
1218
1219 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1220             Michael Meissner  <meissner@linux.ibm.com>
1221             Segher Boessenkool  <segher@kernel.crashing.org>
1222
1223         * config.gcc: Add future cpu.
1224         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1225         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1226         #define.
1227         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1228         (RS6000_CPU): New instantiation for future cpu.
1229         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1230         PROCESSOR_FUTURE.
1231         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1232         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1233         * config/rs6000/rs6000-tables.opt: Regenerate.
1234         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1235         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1236         (rs6000_machine_from_flags): Handle future cpu.
1237         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1238         PROCESSOR_POWER9 for now.
1239         (rs6000_adjust_cost): Likewise.
1240         (rs6000_issue_rate): Likewise.
1241         (rs6000_register_move_cost): Likewise.
1242         (rs6000_opt_masks): Add entry for future.
1243         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1244         (MASK_FUTURE): New #define.
1245         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1246         * config/rs6000/rs6000.opt (mfuture): New target option.
1247         * doc/invoke.texi (mcpu): Add future cpu.
1248
1249 2019-05-23  Martin Liska  <mliska@suse.cz>
1250
1251         PR c++/90587
1252         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1253         operation points to a temporary (pointed via tree_to_wide_ref)
1254         that is out of scope after the &.
1255
1256 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1257
1258         PR c++/90592
1259         * doc/extend.texi (Function Names): Add missing word.
1260
1261 2019-05-23  Richard Biener  <rguenther@suse.de>
1262
1263         PR tree-optimization/88440
1264         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1265         at -O[2s]+.
1266         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1267         generated call.
1268         (generate_memcpy_builtin): Likewise.
1269         (distribute_loop): Pass in whether to only distribute patterns.
1270         (prepare_perfect_loop_nest): Also allow size optimization.
1271         (pass_loop_distribution::execute): When optimizing a loop
1272         nest for size allow pattern replacement.
1273
1274 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1275
1276         PR target/90568
1277         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1278         of xor.
1279
1280 2019-05-23  Martin Liska  <mliska@suse.cz>
1281
1282         PR sanitizer/90570
1283         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1284         expression similarly to gimplify_decl_expr.
1285
1286 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1287
1288         * cse.c (cse_dump_path): s/dump_file/f.
1289
1290 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1291
1292         PR c++/90462
1293         * diagnostic-format-json.cc: Include "selftest.h".
1294         (json_from_expanded_location): Only add "file" key for non-NULL
1295         file strings.
1296         (json_from_location_range): Don't add "start" and "finish"
1297         children if they are UNKNOWN_LOCATION.
1298         (selftest::test_unknown_location): New selftest.
1299         (selftest::test_bad_endpoints): New selftest.
1300         (selftest::diagnostic_format_json_cc_tests): New function.
1301         * json.cc (json::object::get): New function.
1302         (selftest::test_object_get): New selftest.
1303         (selftest::json_cc_tests): Call it.
1304         * json.h (json::object::get): New decl.
1305         * selftest-run-tests.c (selftest::run_tests): Call
1306         selftest::diagnostic_format_json_cc_tests.
1307         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1308         decl.
1309
1310 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1311             Andrew Stubbs  <amd@codesourcery.com>
1312
1313         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1314         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1315         (kernel): Rename to...
1316         (main_kernel): ... this.
1317         (load_image): Load _init_array and _fini_array kernels.
1318         (run): Add argument for kernel to run.
1319         (main): Run init_array_kernel before main_kernel, and
1320         fini_array_kernel after.
1321         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1322         amdgpu_hsa_kernel attribute on functions.
1323         (gcn_disable_constructors): Delete.
1324         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1325         * config/gcn/crt0.c (size_t): Define.
1326         (_init_array, _fini_array): New.
1327         (__preinit_array_start, __preinit_array_end,
1328         __init_array_start, __init_array_end,
1329         __fini_array_start, __fini_array_end): Declare weak references.
1330
1331 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1332
1333         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1334
1335 2019-05-22  Jason Merrill  <jason@redhat.com>
1336
1337         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1338
1339 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1340
1341         PR target/88483
1342         * config/i386/i386-options.c (ix86_init_machine_status): Set
1343         stack_frame_required to true.
1344         * config/i386/i386.c (ix86_get_frame_size): New function.
1345         (ix86_frame_pointer_required): Replace get_frame_size with
1346         ix86_get_frame_size.
1347         (ix86_compute_frame_layout): Likewise.
1348         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1349         stack_frame_required.
1350         (ix86_finalize_stack_frame_flags): Always call
1351         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1352         ix86_get_frame_size.
1353         * config/i386/i386.h (machine_function): Add stack_frame_required.
1354
1355 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1356
1357         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1358
1359 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1360
1361         * common/config/aarch64/aarch64-common.c
1362         (struct aarch64_option_extension, struct processor_name_to_arch,
1363         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1364         aarch64_contains_opt,
1365         aarch64_get_extension_string_for_isa_flags): Change type of
1366         variables storing flags to uint64_t.
1367         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1368         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1369         * config/aarch64/aarch64.c (struct processor,
1370         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1371         aarch64_validate_march, aarch64_override_options,
1372         aarch64_option_print, aarch64_handle_attr_isa_flags,
1373         aarch64_declare_function_name, aarch64_start_file): Make flag
1374         variables uint64_t.
1375         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1376         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1377         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1378         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1379         * config/aarch64/driver-aarch64.c
1380         (struct aarch64_arch_extension, struct aarch64_core_data,
1381         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1382         flag variables uint64_t.
1383         * doc/invoke.texi: Add documentation for new arguments.
1384
1385 2019-05-22  Richard Biener  <rguenther@suse.de>
1386
1387         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1388         rewrite ...
1389         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1390
1391 2019-05-22  Martin Liska  <mliska@suse.cz>
1392
1393         PR lto/90500
1394         * doc/extend.texi: Document the change.
1395
1396 2019-05-22  Richard Biener  <rguenther@suse.de>
1397
1398         PR tree-optimization/90450
1399         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1400         (mem_ref_hasher::equal): Check it.
1401         (mem_ref_alloc): Initialize it.
1402         (gather_mem_refs_stmt): Set it.
1403
1404 2019-05-22  Richard Biener  <rguenther@suse.de>
1405
1406         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1407         Add ABS_EXPR.
1408         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1409         as ABSU_EXPR.
1410
1411 2019-05-22  Alan Modra  <amodra@gmail.com>
1412
1413         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1414         (ASM_CPU_SPEC): Conditionally add -many.
1415         * config/rs6000/rs6000.c (rs6000_machine): New static var.
1416         (rs6000_machine_from_flags, emit_asm_machine): New functions..
1417         (rs6000_file_start): ..extracted from here, and modified to
1418         test all ISA bits.
1419         (rs6000_output_function_prologue): Emit .machine as necessary.
1420         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1421         power mnemonics.
1422         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1423         added by check_vect_support_and_set_flags.
1424         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1425         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1426
1427 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
1428
1429         PR middle-end/90553
1430         * ira-lives.c (process_bb_node_lives): Consider defs
1431         for a call insn to be die before the call, not after.
1432
1433         * function.c (assign_parm_setup_block): Raise alignment of
1434         stacked parameter only for STRICT_ALIGNMENT targets.
1435
1436 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1437
1438         * config/rs6000/constraints.md (define_register_constraint "wz"):
1439         Delete.
1440         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1441         RS6000_CONSTRAINT_wz.
1442         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1443         (rs6000_init_hard_regno_mode_ok): Adjust.
1444         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1445         * doc/md.texi (Machine Constraints): Adjust.
1446
1447 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1448
1449         * config/rs6000/constraints.md (define_register_constraint "wl"):
1450         Delete.
1451         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1452         RS6000_CONSTRAINT_wl.
1453         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1454         (rs6000_init_hard_regno_mode_ok): Adjust.
1455         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1456         * doc/md.texi (Machine Constraints): Adjust.
1457
1458 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1459
1460         * config/rs6000/constraints.md (define_register_constraint "wm"):
1461         Delete.
1462         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1463         RS6000_CONSTRAINT_wm.
1464         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1465         (rs6000_init_hard_regno_mode_ok): Adjust.
1466         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1467         * doc/md.texi (Machine Constraints): Adjust.
1468
1469 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1470
1471         * config/rs6000/constraints.md (define_register_constraint "wk"):
1472         Delete.
1473         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1474         RS6000_CONSTRAINT_wk.
1475         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1476         (rs6000_init_hard_regno_mode_ok): Adjust.
1477         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1478         * doc/md.texi (Machine Constraints): Adjust.
1479
1480 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1481
1482         * config/rs6000/constraints.md (define_register_constraint "wj"):
1483         Delete.
1484         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1485         RS6000_CONSTRAINT_wj.
1486         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1487         (rs6000_init_hard_regno_mode_ok): Adjust.
1488         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1489         (VS_64dm): Delete.
1490         * config/rs6000/vsx.md: Ditto.
1491         * doc/md.texi (Machine Constraints): Adjust.
1492
1493 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1494
1495         * config/rs6000/constraints.md (define_register_constraint "wh"):
1496         Delete.
1497         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1498         RS6000_CONSTRAINT_wh.
1499         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1500         (rs6000_init_hard_regno_mode_ok): Adjust.
1501         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1502         * doc/md.texi (Machine Constraints): Adjust.
1503
1504 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1505
1506         PR target/90547
1507         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1508         Avoid calling gen_lowpart with CONST operand.
1509
1510 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1511
1512         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1513         field template_last_to_copy.
1514         (ssa_create_duplicates): Set it, and use it.  Attempt to
1515         preserve more debug stmts.
1516
1517 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1518
1519         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1520         (signbit<mode>2): New expander
1521
1522 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1523
1524         PR bootstrap/87338
1525         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1526         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1527
1528 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1529
1530         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1531         %ebx and %ecx bafore calling cpuid with leaf 1 or
1532         non-constant leaf argument.
1533
1534 2019-05-21  Alan Modra  <amodra@gmail.com>
1535
1536         PR target/90545
1537         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1538         power9 direct move cost.
1539         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1540         Correct comments and rename functions to suit parameters.
1541
1542 2019-05-21  Richard Biener  <rguenther@suse.de>
1543
1544         PR middle-end/90510
1545         * fold-const.c (fold_read_from_vector): New function.
1546         * fold-const.h (fold_read_from_vector): Declare.
1547         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1548         single-element insert permutations.  Canonicalize selector
1549         further and fix issue with last commit.
1550
1551 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1552
1553         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1554         parameter with default value false to declaration.
1555         (split_edges_for_insertion): New inline function.  Wrapper for
1556         split_critical_edges with for_edge_insertion_p = true.
1557         * tree-cfg.c (split_critical_edges): Don't split non-critical
1558         edges if for_edge_insertion_p is false.  Fix whitespace.
1559         * tree-ssa-pre.c (pass_pre::execute): Call
1560         split_edges_for_insertion instead of split_critical_edges.
1561         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1562         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1563         (pass_data_sink_code): Update function name in the comment.
1564
1565 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1566
1567         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1568         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1569         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1570         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1571         positives.
1572
1573 2019-05-21  Martin Liska  <mliska@suse.cz>
1574
1575         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1576         an extra newline.
1577         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1578         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1579         vec_lvsr.
1580         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1581         Quote a C type.
1582         (rs6000_function_arg): Likewise.
1583         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1584         (rs6000_expand_ternop_builtin): Use interval syntax.
1585         (get_element_number): Likewise.
1586         (altivec_expand_builtin): Likewise.
1587         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1588
1589 Fix test-suite.
1590
1591 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1592
1593         PR c++/59813
1594         PR target/90418
1595         * function.h (struct function): Add calls_eh_return member.
1596         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1597         gimplifying __builtin_eh_return call.
1598         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1599         to cfun.
1600         (expand_call_inline): Or in src_cfun->calls_eh_return into
1601         dst_cfun->calls_eh_return.
1602         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1603         cfun->calls_eh_return.
1604         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1605         * lto-streamer-out.c (output_struct_function_base): Write
1606         calls_eh_return.
1607
1608 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1609
1610         PR rtl-optimization/43147
1611         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1612         IX86_BUILTIN_SHUFPD.
1613
1614 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1615
1616         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1617         (refs_may_alias_p_1): ... here; update stats.
1618         (refs_may_alias_p): Do not update stats here.
1619
1620 2019-05-20  Richard Biener  <rguenther@suse.de>
1621
1622         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1623         doesn't produce pointers.
1624         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1625         the first operand points to.
1626
1627 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1628
1629         * tree-ssa-alias.c (compare_sizes): New function.
1630         (sompare_type_sizes): New function
1631         (aliasing_component_refs_p): Use it.
1632         (indirect_ref_may_alias_decl_p): Likewise.
1633
1634 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1635
1636         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1637
1638 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1639
1640         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1641         (LIBLSAN_EARLY_SPEC): Likewise.
1642         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1643
1644 2019-05-20  Martin Liska  <mliska@suse.cz>
1645
1646         * config/i386/i386.c (ix86_libc_has_fast_function):
1647         Add ATTRIBUTE_UNUSED for the argument.
1648
1649 2019-05-20  Richard Biener  <rguenther@suse.de>
1650
1651         * gimple-match-head.c: Include vec-perm-indices.h.
1652         * generic-match-head.c: Likewise.
1653         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1654         is included.
1655         * fold-const.c (fold_vec_perm): Export.
1656         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1657         (match.pd): ...here.
1658
1659 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1660
1661         * cfgloop.h (struct loop): Add simdlen member.
1662         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1663         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1664         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1665         as new argument to autovectorize_vector_sizes target hook.  If
1666         loop->simdlen, pick up vector size where the vectorization factor
1667         is equal to loop->simd, and if there is none, fall back to the first
1668         successful one.
1669         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1670         caller.
1671         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1672         * omp-general.c (omp_max_vf): Likewise.
1673         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1674         * tree-vect-slp.c (vect_slp_bb): Likewise.
1675         * target.def (autovectorize_vector_sizes): Add ALL argument and
1676         document it.
1677         * doc/tm.texi: Adjust documentation.
1678         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1679         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1680         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1681         bool argument.
1682         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1683         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1684         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1685         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1686         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1687         preferred vector size is not 512-bit or 256-bit, just put those
1688         unpreferred ones last.
1689
1690 2019-05-20  Martin Liska  <mliska@suse.cz>
1691
1692         * targhooks.c (default_libc_has_fast_function): New function.
1693         * targhooks.h (default_libc_has_fast_function): Likewise.
1694
1695 2019-05-20  Martin Liska  <mliska@suse.cz>
1696
1697         PR middle-end/90263
1698         * builtins.c (expand_builtin_memory_copy_args): When having a
1699         target with fast mempcpy implementation do now use memcpy.
1700         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1701         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1702         * doc/tm.texi: Likewise.
1703         * doc/tm.texi.in: Likewise.
1704         * target.def:
1705         * expr.c (emit_block_move_hints): Add 2 new arguments.
1706         * expr.h (emit_block_move_hints): Bail out when libcall
1707         to memcpy would be used.
1708
1709 2019-05-20  Martin Liska  <mliska@suse.cz>
1710
1711         * profile-count.c: Add vertical spacing in order
1712         to separate functions.
1713         * profile-count.h: Likewise.
1714
1715 2019-05-20  Martin Liska  <mliska@suse.cz>
1716
1717         * profile-count.h: Do not use full qualified
1718         names if possible.
1719         * profile-count.c (profile_count::to_frequency): Likewise.
1720
1721 2019-05-20  Martin Liska  <mliska@suse.cz>
1722
1723         * profile-count.h (enum profile_quality): Use capital letters
1724         for enum value names.  Use the adjusted names.
1725         * profile-count.c: Use the adjusted names.
1726
1727 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1728
1729         * config/rs6000/constraints.md (define_register_constraint "wH"):
1730         Delete.
1731         (define_register_constraint "wI"): Delete.
1732         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1733         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1734         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1735         (rs6000_init_hard_regno_mode_ok): Adjust.
1736         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1737         resp. "d", or with "wa" as appropriate, all with "p8v".
1738         * config/rs6000/vsx.md: Ditto.
1739         * doc/md.texi (Machine Constraints): Adjust.
1740
1741 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1742
1743         * config/rs6000/constraints.md (define_register_constraint "wy"):
1744         Delete.
1745         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1746         RS6000_CONSTRAINT_wy.
1747         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1748         (rs6000_init_hard_regno_mode_ok): Adjust.
1749         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1750         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1751         (define_mode_attr Fisa): New.
1752         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1753         * doc/md.texi (Machine Constraints): Adjust.
1754
1755 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1756
1757         * config/rs6000/constraints.md (define_register_constraint "wu"):
1758         Delete.
1759         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1760         RS6000_CONSTRAINT_wu.
1761         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1762         (rs6000_init_hard_regno_mode_ok): Adjust.
1763         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1764         both with "p8v".
1765         (define_mode_attr Fa): Delete.
1766         * config/rs6000/vsx.md: Ditto.
1767         * doc/md.texi (Machine Constraints): Adjust.
1768
1769 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1770
1771         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1772         Delete.
1773         (define_register_constraint "wK"): Delete.
1774         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1775         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1776         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1777         (rs6000_init_hard_regno_mode_ok): Adjust.
1778         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1779         Replace "wK" constraint by "wH" with "p9v".
1780         * config/rs6000/vsx.md: Ditto.
1781         * doc/md.texi (Machine Constraints): Adjust.
1782
1783 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1784
1785         * config/rs6000/constraints.md (define_register_constraint "wb"):
1786         Delete.
1787         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1788         RS6000_CONSTRAINT_wb.
1789         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1790         (rs6000_init_hard_regno_mode_ok): Adjust.
1791         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1792         * config/rs6000/vsx.md: Ditto.
1793         * doc/md.texi (Machine Constraints): Adjust.
1794
1795 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1796
1797         * config/rs6000/constraints.md (define_register_constraint "wo"):
1798         Delete.
1799         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1800         RS6000_CONSTRAINT_wo.
1801         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1802         (rs6000_init_hard_regno_mode_ok): Adjust.
1803         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1804         * config/rs6000/altivec.md: Ditto.
1805         * doc/md.texi (Machine Constraints): Adjust.
1806
1807 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1808
1809         * config/darwin-c.c (darwin_register_objc_includes): Do not
1810         prepend the sysroot when building gnu-runtime header search
1811         paths.
1812
1813 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1814
1815         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1816         instead of direct output of the asm.
1817
1818 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1819
1820         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1821         argument to be type bool (was int before).
1822         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1823         at first use.  Use type bool for some variables.  Fix a theoretical
1824         eh_return bug for svr4.
1825
1826 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1827
1828         * config/rs6000/rs6000.md (isa): New attribute.
1829         (enabled): New attribute.
1830
1831 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1832
1833         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1834         assemble_start_function and assemble_end_function.
1835
1836 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1837
1838         PR middle-end/89433
1839         * omp-general.c (oacc_verify_routine_clauses): Change formal
1840         parameters.  Add checking if already marked with an OpenACC
1841         'routine' directive.  Adjust all users.
1842
1843         PR middle-end/89433
1844         * omp-general.c (oacc_build_routine_dims): Move some of its
1845         processing into...
1846         (oacc_verify_routine_clauses): ... this new function.
1847         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1848
1849 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1850
1851         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1852         formating of picbase labels to match other ports.
1853
1854 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1855
1856         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1857         in the generated code.
1858
1859 2019-05-16  Martin Sebor  <msebor@redhat.com>
1860
1861         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1862         identifiers, keywords, operators, and types in diagnostics.  Correct
1863         quoting, spelling, and sentence capitalization issues.
1864         (expand_builtin_atomic_is_lock_free): Same.
1865         (fold_builtin_next_arg): Same.
1866         * cfgexpand.c (expand_one_var): Same.
1867         (tree_conflicts_with_clobbers_p): Same.
1868         (expand_asm_stmt): Same.
1869         (verify_loop_structure): Same.
1870         * cgraphunit.c (process_function_and_variable_attributes): Same.
1871         * collect-utils.c (collect_execute): Same.
1872         * collect2.c (maybe_run_lto_and_relink): Same.
1873         (is_lto_object_file): Same.
1874         (scan_prog_file): Same.
1875         * convert.c (convert_to_real_1): Same.
1876         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1877         * except.c (verify_eh_tree): Same.
1878         * gcc.c (execute): Same.
1879         (eval_spec_function): Same.
1880         (run_attempt): Same.
1881         (driver::set_up_specs): Same.
1882         (compare_debug_auxbase_opt_spec_function): Same.
1883         * gcov-tool.c (unlink_gcda_file): Same.
1884         (do_merge): Same.
1885         (do_rewrite): Same.
1886         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1887         * gimplify.c (gimplify_asm_expr): Same.
1888         (gimplify_adjust_omp_clauses): Same.
1889         * hsa-gen.c (gen_hsa_addr_insns): Same.
1890         (gen_hsa_insns_for_load): Same.
1891         (gen_hsa_cmp_insn_from_gimple): Same.
1892         (gen_hsa_insns_for_operation_assignment): Same.
1893         (gen_get_level): Same.
1894         (gen_hsa_alloca): Same.
1895         (omp_simple_builtin::generate): Same.
1896         (gen_hsa_atomic_for_builtin): Same.
1897         (gen_hsa_insns_for_call): Same.
1898         * input.c (dump_location_info): Same.
1899         * ipa-devirt.c (compare_virtual_tables): Same.
1900         * ira.c (ira_setup_eliminable_regset): Same.
1901         * lra-assigns.c (lra_assign): Same.
1902         * lra-constraints.c (lra_constraints): Same.
1903         * lto-streamer-in.c (lto_input_mode_table): Same.
1904         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1905         (merge_and_complain): Same.
1906         (compile_offload_image): Same.
1907         (compile_images_for_offload_targets): Same.
1908         (debug_objcopy): Same.
1909         (run_gcc): Same.
1910         (main): Same.
1911         * opts.c (print_specific_help): Same.
1912         (parse_no_sanitize_attribute): Same.
1913         (print_help): Same.
1914         (handle_param): Same.
1915         * plugin.c (add_new_plugin): Same.
1916         (parse_plugin_arg_opt): Same.
1917         (try_init_one_plugin): Same.
1918         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1919         operators, and types in diagnostics.  Correct quoting and spelling
1920         issues.
1921         * read-rtl-function.c (parse_edge_flag_token): Same.
1922         (function_reader::parse_enum_value): Same.
1923         * reg-stack.c (check_asm_stack_operands): Same.
1924         * regcprop.c (validate_value_data): Same.
1925         * sched-rgn.c (make_pass_sched_fusion): Same.
1926         * stmt.c (check_unique_operand_names): Same.
1927         * targhooks.c (default_target_option_pragma_parse): Same.
1928         * tlink.c (recompile_files): Same.
1929         * toplev.c (process_options): Same.
1930         (do_compile): Same.
1931         * trans-mem.c (diagnose_tm_1): Same.
1932         (ipa_tm_scan_irr_block): Same.
1933         (ipa_tm_diagnose_transaction): Same.
1934         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1935         format a tree code name in a diagnostic.
1936         (verify_types_in_gimple_min_lval): Same.
1937         (verify_types_in_gimple_reference): Same.
1938         (verify_gimple_call): Same.
1939         (verify_gimple_assign_unary): Same.
1940         (verify_gimple_assign_binary): Same.
1941         (verify_gimple_assign_ternary): Same.
1942         (verify_gimple_assign_single): Same.
1943         (verify_gimple_switch): Same.
1944         (verify_gimple_label): Same.
1945         (verify_gimple_phi): Same.
1946         (verify_gimple_in_seq): Same.
1947         (verify_eh_throw_stmt_node): Same.
1948         (collect_subblocks): Same.
1949         (gimple_verify_flow_info): Same.
1950         (do_warn_unused_result): Same.
1951         * tree-inline.c (expand_call_inline): Same.
1952         * tree-into-ssa.c (update_ssa): Same.
1953         * tree.c (tree_int_cst_elt_check_failed): Same.
1954         (tree_vec_elt_check_failed): Same.
1955         (omp_clause_operand_check_failed): Same.
1956         (verify_type_variant): Same.
1957         (verify_type): Same.
1958         * value-prof.c (verify_histograms): Same.
1959         * varasm.c (assemble_start_function): Same.
1960
1961 2019-05-16  Martin Sebor  <msebor@redhat.com>
1962
1963         * config/i386/i386-expand.c (get_element_number): Quote keywords
1964         and other internal names in diagnostics.  Adjust other diagnostic
1965         formatting issues noted by -Wformat-diag.
1966         * config/i386/i386-features.c
1967         (ix86_mangle_function_version_assembler_name): Same.
1968         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1969         * config/i386/i386.c (ix86_function_type_abi): Same.
1970         (ix86_function_ms_hook_prologue): Same.
1971         (classify_argument): Same.
1972         (ix86_expand_prologue): Same.
1973         (ix86_md_asm_adjust): Same.
1974         (ix86_memmodel_check): Same.
1975
1976 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1977
1978         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1979         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1980         and fpxx modes.
1981
1982 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1983
1984         PR target/90497
1985         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1986         intrinsics without SSE/SSE2/SSSE3.
1987         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1988         check.
1989         (*mmx_uavgv8qi3): Likewise.
1990
1991 2019-05-17  Richard Biener  <rguenther@suse.de>
1992
1993         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1994         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1995
1996 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1997
1998         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1999         vec_sldw insn pattern.
2000
2001 2019-05-17  Richard Biener  <rguenther@suse.de>
2002
2003         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2004
2005 2019-05-17  Martin Liska  <mliska@suse.cz>
2006
2007         PR driver/90496
2008         * toplev.c (output_stack_usage): With LTO and sanitizer it
2009         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2010         has no file location.
2011
2012 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR c++/90484
2015         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2016         sz0 is equal to sz1, instead return false in that case.
2017
2018         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2019         has non-constant expression, force sctx.lane and use two
2020         argument IFN_GOMP_SIMD_LANE instead of single argument.
2021         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2022         two argument IFN_GOMP_SIMD_LANE without lhs.
2023         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2024         member.
2025         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2026         Define.
2027         (LOOP_REQUIRES_VERSIONING): Or in
2028         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2029         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2030         simd_if_cond.
2031         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2032         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2033         from simd if clause if needed.
2034
2035 2019-05-16  Richard Biener  <rguenther@suse.de>
2036
2037         * tree-affine.c (expr_to_aff_combination): New function split
2038         out from...
2039         (tree_to_aff_combination): ... here.
2040         (aff_combination_expand): Avoid building a GENERIC tree.
2041
2042 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2043
2044         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2045         assemble_start_function and assemble_end_function calls.
2046         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2047         assemble_start_function and assemble_end_function.
2048         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2049         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2050         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2051         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2052         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2053         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2054         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2055         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2056         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2057         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2058         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2059         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2060         Likewise.
2061         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2062         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2063         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2064         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2065         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2066         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2067         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2068         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2069         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2070         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2071         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2072         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2073         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2074         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2075         Likewise.
2076         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2077         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2078         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2079
2080 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2081
2082         * tree-ssa-alias.c (alias_stats): Add
2083         aliasing_component_refs_p_may_alias and
2084         aliasing_component_refs_p_no_alias.
2085         (dump_alias_stats): Print aliasing_component_refs_p stats.
2086         (aliasing_component_refs_p): Update stats.
2087
2088 2019-05-16  Martin Liska  <mliska@suse.cz>
2089
2090         PR lto/90500
2091         * multiple_target.c (expand_target_clones): Do not allow
2092         target_clones being used with a symbol that is an alias.
2093
2094 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2095
2096         PR tree-optimization/90394
2097         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2098         positives rather than ICE for cases where (code2 == NE_EXPR
2099         && code1 == BIT_AND_EXPR).
2100
2101 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR fortran/90329
2104         * tree-core.h (struct tree_decl_common): Document
2105         decl_nonshareable_flag for PARM_DECLs.
2106         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2107         * calls.c (expand_call): Don't try tail call if caller
2108         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2109         passed on the stack and callee needs to pass any arguments on the
2110         stack.
2111         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2112         else if instead of series of mutually exclusive ifs.  Handle
2113         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2114         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2115
2116         * lto-streamer.h (LTO_major_version): Bump to 9.
2117
2118 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2119
2120         PR tree-optimization/90106
2121         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2122         new parameter as new internal function call, also move it to new
2123         basic block.
2124         (use_internal_fn): Pass internal function call to
2125         shrink_wrap_one_built_in_call_with_conds.
2126
2127 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2128
2129         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2130         max_vf to 1.
2131         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2132         safelen_int and set loop->dont_vectorize.
2133
2134 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2135
2136         PR target/89021
2137         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2138         SSE/SSE2/SSSE3.
2139         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2140         Likewise.
2141         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2142         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2143         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2144         is defined.
2145
2146 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2147
2148         PR target/89021
2149         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2150         define_insn_and_split to support SSE emulation.
2151         (*vec_extractv2sf_0): Likewise.
2152         (*vec_extractv2sf_1): Likewise.
2153         (*vec_extractv2si_0): Likewise.
2154         (*vec_extractv2si_1): Likewise.
2155         (*vec_extractv2si_zext_mem): Likewise.
2156         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2157         (vec_extractv2sf_1 splitter): Likewise.
2158         (vec_extractv2sfsf): Likewise.
2159         (vec_setv2si): Likewise.
2160         (vec_extractv2si_1 splitter): Likewise.
2161         (vec_extractv2sisi): Likewise.
2162         (vec_setv4hi): Likewise.
2163         (vec_extractv4hihi): Likewise.
2164         (vec_setv8qi): Likewise.
2165         (vec_extractv8qiqi): Likewise.
2166         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2167         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2168         (vec_extractv2sisi): Likewise.
2169         (vec_extractv4hihi): Likewise.
2170         (vec_extractv8qiqi): Likewise.
2171         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2172         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2173         (vec_initv2sisi): Likewise.
2174         (vec_initv4hihi): Likewise.
2175         (vec_initv8qiqi): Likewise.
2176         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2177         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2178         (vec_setv4hi): Likewise.
2179         (vec_setv8qi): Likewise.
2180
2181 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2182
2183         PR target/89021
2184         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2185         TARGET_MMX_WITH_SSE.
2186         (MMXMODE:*mov<mode>_internal): Likewise.
2187         (MMXMODE:movmisalign<mode>): Likewise.
2188
2189 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2190
2191         PR target/89021
2192         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2193         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2194         (sse2_cvtpd2pi): Ditto.
2195         (sse2_cvttpd2pi): Ditto.
2196         (*vec_concatv2sf_sse4_1): Ditto.
2197         (*vec_concatv2sf_sse): Ditto.
2198         (*vec_concatv2si_sse4_1): Ditto.
2199         (*vec_concatv2si): Ditto.
2200         (*vec_concatv4si_0): Ditto.
2201         (*vec_concatv2di_0): Ditto.
2202
2203 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2204
2205         PR target/89021
2206         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2207
2208 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2209
2210         PR target/89021
2211         * config/i386/sse.md (ssse3_palignrdi): Changed to
2212         define_insn_and_split to support SSE emulation.
2213
2214 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2215
2216         PR target/89021
2217         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2218
2219 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2220
2221         PR target/89021
2222         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2223         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2224         SSE emulation.
2225
2226 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2227
2228         PR target/89021
2229         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2230         or TARGET_MMX_WITH_SSE.
2231         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2232
2233 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2234
2235         PR target/89021
2236         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2237
2238 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2239
2240         PR target/89021
2241         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2242         Changed to define_insn_and_split to support SSE emulation.
2243
2244 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2245
2246         PR target/89021
2247         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2248         Changed to define_insn_and_split to support SSE emulation.
2249
2250 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2251
2252         PR target/89021
2253         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2254         (*mmx_<emms>): This.
2255         (mmx_<emms>): New expander.
2256
2257 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2258
2259         PR target/89021
2260         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2261         support.
2262         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2263
2264 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2265
2266         PR target/89021
2267         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2268
2269 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2270
2271         PR target/89021
2272         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2273
2274 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2275
2276         PR target/89021
2277         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2278         TARGET_MMX_WITH_SSE.
2279         (*mmx_uavgv4hi3): Add SSE emulation.
2280
2281 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2282
2283         PR target/89021
2284         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2285         and TARGET_MMX_WITH_SSE.
2286         (*mmx_uavgv8qi3): Add SSE emulation.
2287
2288 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2289
2290         PR target/89021
2291         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2292         maskmovdqu for __MMX_WITH_SSE__.
2293
2294 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2295
2296         PR target/89021
2297         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2298         TARGET_MMX and TARGET_MMX_WITH_SSE.
2299         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2300
2301 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2302
2303         PR target/89021
2304         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2305         define_insn_and_split to support SSE emulation.
2306
2307 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2308
2309         PR target/89021
2310         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2311         and TARGET_MMX_WITH_SSE.
2312         (mmx_<code>v8qi3): Likewise.
2313         (smaxmin:<code>v4hi3): New.
2314         (umaxmin:<code>v8qi3): Likewise.
2315         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2316         (umaxmin:*mmx_<code>v8qi3): Likewise.
2317
2318 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2319
2320         PR target/89021
2321         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2322         TARGET_MMX_WITH_SSE.
2323         (*mmx_pinsrw): Add SSE emulation.
2324
2325 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2326
2327         PR target/89021
2328         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2329
2330 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2331
2332         PR target/89021
2333         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2334         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2335         SSE emulation.
2336
2337 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2338
2339         PR target/89021
2340         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2341         (sse_cvttps2pi): Likewise.
2342
2343 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2344
2345         PR target/89021
2346         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2347         TARGET_MMX_WITH_SSE.
2348         (mmx_pshufw_1): Add SSE emulation.
2349         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2350         TARGET_MMX_WITH_SSE to support SSE emulation.
2351
2352 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2353
2354         PR target/89021
2355         * config/i386/constraints.md (Yw): New constraint.
2356         * config/i386/mmx.md (*vec_dupv2si): Changed to
2357         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2358         support SSE emulation.
2359
2360 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2361
2362         PR target/89021
2363         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2364         TARGET_MMX_WITH_SSE.
2365         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2366         support.
2367         (mmx_gt<mode>3): Likewise.
2368
2369 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2370
2371         PR target/89021
2372         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2373         TARGET_MMX_WITH_SSE.  Add SSE support.
2374
2375 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2376
2377         PR target/89021
2378         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2379         TARGET_MMX_WITH_SSE.
2380         (any_logic:<code><mode>3): New.
2381         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2382         Add SSE support.
2383
2384 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2385
2386         PR target/89021
2387         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2388         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2389         (mmx_<shift_insn><mode>3): Likewise.
2390         (ashr<mode>3): New.
2391         (<shift_insn><mode>3): Likewise.
2392
2393 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2394
2395         PR target/89021
2396         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2397         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
2398
2399 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2400
2401         PR target/89021
2402         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2403         TARGET_MMX_WITH_SSE.
2404         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2405         SSE support.
2406
2407 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2408
2409         PR target/89021
2410         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2411         TARGET_MMX_WITH_SSE.
2412         (mulv4hi3): New.
2413         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2414         support.
2415
2416 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2417
2418         PR target/89021
2419         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2420         (plusminus:mmx_<plusminus_insn><mode>3): Check
2421         TARGET_MMX_WITH_SSE.
2422         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2423         (<plusminus_insn><mode>3): New.
2424         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2425         (*mmx_<plusminus_insn><mode>3): Likewise.
2426
2427 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2428
2429         PR target/89021
2430         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2431         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2432         prototype.
2433         * config/i386/mmx.m (mmx_punpckhbw): Changed to
2434         define_insn_and_split to support SSE emulation.
2435         (mmx_punpcklbw): Likewise.
2436         (mmx_punpckhwd): Likewise.
2437         (mmx_punpcklwd): Likewise.
2438         (mmx_punpckhdq): Likewise.
2439         (mmx_punpckldq): Likewise.
2440
2441 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2442             Uros Bizjak  <ubizjak@gmail.com>
2443
2444         PR target/89021
2445         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2446         New function.
2447         (ix86_split_mmx_pack): Likewise.
2448         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2449         New prototype.
2450         (ix86_split_mmx_pack): Likewise.
2451         * config/i386/i386.md (mmx_isa): New.
2452         (enabled): Also check mmx_isa.
2453         * config/i386/mmx.md (any_s_truncate): New code iterator.
2454         (s_trunsuffix): New code attr.
2455         (mmx_packsswb): Removed.
2456         (mmx_packssdw): Likewise.
2457         (mmx_packuswb): Likewise.
2458         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2459         MMX packsswb/packuswb with SSE2.
2460         (mmx_packssdw): Likewise.
2461         * config/i386/predicates.md (register_mmxmem_operand): New.
2462
2463 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2464
2465         PR target/89021
2466         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2467         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2468         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2469         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2470         (ix86_vector_mode_supported_p): Likewise.
2471         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2472
2473 2019-05-15  Martin Liska  <mliska@suse.cz>
2474
2475         PR middle-end/90478
2476         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2477         Check for overflow.
2478
2479 2019-05-15  Richard Biener  <rguenther@suse.de>
2480
2481         * tree-into-ssa.c (pass_build_ssa::execute): Run
2482         update_address_taken before going into SSA.
2483
2484 2019-05-15  Richard Biener  <rguenther@suse.de>
2485
2486         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2487         as __BIT_FIELD_REF with type with -gimple.
2488
2489 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2490
2491         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2492         semantically equivalent branches (left over after prior refactorings).
2493
2494 2019-05-15  Richard Biener  <rguenther@suse.de>
2495
2496         PR tree-optimization/88828
2497         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2498         bogus check.
2499
2500 2019-05-14  Richard Biener  <rguenther@suse.de>
2501
2502         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2503         as __VIEW_CONVERT with -gimple.
2504
2505 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2506
2507         PR target/82920
2508         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2509         Darwin.
2510
2511 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2512
2513         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2514         define_split to become a define_insn_and_split.
2515
2516 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2517
2518         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2519         arguments.
2520         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2521         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2522         (sibcall_epilogue): Adjust.
2523         (epilogue): Adjust.
2524
2525 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2526
2527         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2528         to unsupported ones.
2529         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2530         * config.host: Likewise.
2531         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2532         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2533         __svr4__]: Remove "brand" fallback.
2534         [!KSTAT_DATA_STRING]: Remove.
2535         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2536         to *-*-solaris2*.
2537         (comdat_group): Likewise.
2538         (set_have_as_tls): Likewise.
2539         (gcc_cv_target_dl_iterate_phdr): Likewise.
2540         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2541         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2542         * configure: Regenerate.
2543         * doc/install.texi: Simplify Solaris target triplets.
2544         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2545         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2546         Remove Solaris 10 references.
2547         Remove obsolete Solaris bug reference.
2548         (Specific, sparc-sun-solaris2.10): Remove.
2549
2550 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2551
2552         * config/i386/i386.md (any_div): New code iterator.
2553         (paired_mod): New code attribute.
2554         (sgnprefix): Handle DIV and UDIV RTXes.
2555         (u): Ditto.
2556         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2557         and udivmod<mode>4 patterns using any_div code iterator.
2558         (divmod splitters): Macroize splitters using any_div code iterator.
2559         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2560         (*udivmodsi4_pow2_zext_2): Ditto.
2561         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2562         and *udivmod<mode>4_noext patterns using any_div code iterator.
2563         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2564         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2565         patterns using any_div code iterator.
2566         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2567         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2568         patterns using any_div code iterator.
2569         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2570         udivmodhiqi3 patterns using any_extend code iterator.
2571
2572 2019-05-14  Richard Biener  <rguenther@suse.de>
2573             H.J. Lu  <hongjiu.lu@intel.com>
2574
2575         PR tree-optimization/88828
2576         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2577         permuting in a single non-constant element not extracted
2578         from a vector.
2579
2580 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2581
2582         * internal-fn.def (SIGNBIT): New.
2583         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2584         defined.
2585         (signbitv4sf2): Likewise.
2586
2587 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2588
2589         PR target/90357
2590         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2591         next insn when the SRC reg is dead.
2592
2593 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2594
2595         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2596         (alloc_cand_and_find_basis): Ditto.
2597         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2598         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2599         (create_add_imm_cand, slsr_process_cast): Ditto.
2600         (slsr_process_copy, replace_mult_candidate): Ditto.
2601         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2602         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2603         (pass_strength_reduction::execute): Init the first NULL element.
2604
2605 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2606
2607         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2608         (run_attempt): Reformat line break.
2609
2610 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2611
2612         PR target/90418
2613         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2614         data registers in sibcall epilogues.
2615         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2616
2617 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2618
2619         PR target/89221
2620         * configure.ac (--enable-frame-pointer):
2621         Disable by default for cygwin and mingw.
2622         * configure: Regenerate.
2623
2624 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2625
2626         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2627         piece of code.
2628         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2629         (gen_member_die): Move abstract origin check earlier.  Only VARs
2630         can be static_inline_p.  Simplify splicing control flow.
2631
2632 2019-05-13  Richard Biener  <rguenther@suse.de>
2633
2634         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2635         VIEW_CONVERT_EXPR.
2636         (vect_build_slp_tree_1): Likewise.
2637
2638 2019-05-13  Richard Biener  <rguenther@suse.de>
2639
2640         PR tree-optimization/90402
2641         * tree-if-conv.c (tree_if_conversion): Value number only
2642         the loop body by making the latch an exit of the region
2643         as well.
2644         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2645         processing PHIs.
2646         (do_rpo_vn): Deal with multiple edges into the entry block
2647         that are not backedges inside the region by skipping PHIs
2648         of the entry block.
2649
2650 2019-05-13  Richard Biener  <rguenther@suse.de>
2651
2652         PR tree-optimization/90316
2653         * tree-ssa-pre.c (insert_aux): Fold into ...
2654         (insert): ... this function.  Use a RPO walk to reduce the
2655         number of required iterations.
2656
2657 2019-05-13  Martin Liska  <mliska@suse.cz>
2658
2659         PR tree-optimization/90416
2660         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2661         string instead of passing the second part as va_arg argument.
2662
2663 2019-05-13  Martin Liska  <mliska@suse.cz>
2664
2665         PR gcov-profile/90380
2666         * gcov.c (handle_cycle): Do not support zero cycle count,
2667         it should not be possible.
2668         (path_contains_zero_cycle_arc): New function.
2669         (circuit): Ignore zero cycle arc counts.
2670
2671 2019-05-13  Martin Liska  <mliska@suse.cz>
2672
2673         PR gcov-profile/90380
2674         * gcov.c (enum loop_type): Remove the enum and
2675         the operator.
2676         (handle_cycle): Assert that we should not reach
2677         a negative count.
2678         (circuit): Use loop_found instead of a tri-state loop_type.
2679         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2680         happen.
2681
2682 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2683
2684         PR target/82920
2685         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2686         (ix86_output_indirect_branch_via_reg): Use output mechanism
2687         accounting for __USER_LABEL_PREFIX__.
2688         (ix86_output_indirect_branch_via_push): Likewise.
2689         (ix86_output_function_return): Likewise.
2690         (ix86_output_indirect_function_return): Likewise.
2691
2692 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2693
2694         * doc/md.texi: Document use of code attributes in rtx patterns.
2695         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2696         * read-rtl.c (find_code): Split out search loops into...
2697         (maybe_find_code): ...this new function.
2698         (check_code_iterator): Make the error message more informative.
2699         (check_code_attribute): New function.
2700         (rtx_reader::rtx_alloc_for_name): Likewise.
2701         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2702         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2703         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2704         <max_opp> directly as an rtx code instead of via a match_operator.
2705         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2706         (<su>abd<mode>_3): Update accordingly.
2707
2708 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2709
2710         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2711         is given, print the state of the EH "save world" computation for
2712         Darwin.
2713
2714 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR c++/59813
2717         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2718         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2719
2720 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2721
2722         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2723         Use pinsrd for TARGET_SSE4_1.
2724         * config/i386/sse.md (movdi_to_sse): Ditto.
2725
2726 2019-05-10  Richard Biener  <rguenther@suse.de>
2727
2728         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2729         (do_rpo_vn): Initialize next_value_id.
2730
2731 2019-05-10  Martin Liska  <mliska@suse.cz>
2732
2733         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2734         Fix plural form.
2735
2736 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2737
2738         PR tree-optimization/90385
2739         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2740         arguments of the exit phis.
2741
2742         PR c++/90383
2743         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2744         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2745         id->do_not_fold.
2746         (copy_tree_body_r): Likewise.
2747         (copy_fn): Set id.do_not_fold to true.
2748
2749 2019-05-10  Martin Liska  <mliska@suse.cz>
2750
2751         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2752         Reapply changes from r269790.
2753
2754 2019-05-10  Martin Liska  <mliska@suse.cz>
2755
2756         PR middle-end/90340
2757         * doc/invoke.texi: New params.
2758         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2759         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2760         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2761         Use it.
2762         * tree-switch-conversion.h (struct jump_table_cluster):
2763         Likewise.
2764
2765 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2766
2767         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2768
2769 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2770
2771         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2772
2773 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2774
2775         PR rtl-optimization/88879
2776         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2777
2778 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2779
2780         PR target/90405
2781         * config/arm/arm.c (callee_saved_reg_p): Move before
2782         thumb_find_work_register.
2783         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2784         thumb_find_work_register.  Only call df_get_live_out once.
2785         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2786         (thumb_find_work_register): Use
2787         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2788         algorithms to locate a spare call clobbered reg.
2789
2790 2019-05-09  Martin Liska  <mliska@suse.cz>
2791
2792         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2793         and MAX_EXPR in GIMPLE FE format.
2794
2795 2019-05-09  Martin Liska  <mliska@suse.cz>
2796
2797         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2798         * gimple-pretty-print.c (dump_gimple_bb_header):
2799         Dump BB count.
2800         (pp_cfg_jump): Dump edge probability.
2801         * profile-count.c (profile_quality_as_string): Simplify
2802         with a static array.
2803         (parse_profile_quality): New function.
2804         (profile_count::dump): Simplify with a static array.
2805         (profile_count::from_gcov_type): Add new argument.
2806         * profile-count.h (parse_profile_quality): Likewise.
2807         * predict.h (set_hot_bb_threshold): New.
2808         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2809         New param.
2810         * predict.c (get_hot_bb_threshold): Set from the new param.
2811         (set_hot_bb_threshold): New.
2812
2813 2019-05-09  Richard Biener  <rguenther@suse.de>
2814
2815         PR tree-optimization/90395
2816         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2817         rewrite vector stores that throw internally.
2818
2819 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2820
2821         * cif-code.def (CHKP): Remove.
2822
2823         PR target/89221
2824         * configure.ac (--enable-frame-pointer): Disable by default for
2825         GNU systems.
2826         * configure: Regenerate.
2827
2828 2019-05-09  Alan Modra  <amodra@gmail.com>
2829
2830         PR target/89271
2831         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2832         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2833         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2834         cost for general <-> vsx when direct moves are available.
2835         Cost union classes at minimal cost for any reg in the class.
2836         Correct calculation for moves between vsx, float, and altivec.
2837         Don't return a low cost for moves between special regs.  Don't
2838         use hard coded register numbers.
2839         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2840         (rs6000_ira_change_pseudo_allocno_class): New function.
2841         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2842         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2843         alternatives.
2844         (movsi_internal1): Don't disparage vector alternatives.
2845         (mov<mode>_internal): Likewise, excepting alternative that
2846         will be split.
2847         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2848         we <- b alternative.
2849
2850 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2851
2852         PR c++/59813
2853         PR tree-optimization/89060
2854         * tree-ssa-live.h (live_vars_map): New typedef.
2855         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2856         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2857         (struct compute_live_vars_data): New type.
2858         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2859         live_vars_at_stmt, destroy_live_vars): New functions.
2860         * tree-tailcall.c: Include tree-ssa-live.h.
2861         (live_vars, live_vars_vec): New global variables.
2862         (find_tail_calls): Perform variable life analysis before punting.
2863         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2864         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2865         member.
2866         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2867         Perform variable life analysis to select variables that really need
2868         clobbers added.
2869         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2870         instead set id->eh_landing_pad_dest and assert it is the same.
2871         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2872
2873 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2874             Richard Earnshaw  <rearnsha@arm.com>
2875
2876         PR target/88167
2877         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2878         function.
2879         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2880         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2881         register if both the epilogue and prologue can use call-clobbered
2882         regs.
2883         (thumb1_unexpanded_epilogue): Use
2884         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2885         picking temporaries for restoring high regs to match that of the
2886         prologue where possible.
2887         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2888         the list of work registers.  Detect if the return address is still live
2889         at the end of the prologue and avoid using it for a work register if so.
2890         If the return address is not live, add LR to the list of pushable regs
2891         after the first pass.
2892
2893 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2894
2895         PR tree-optimization/90078
2896         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2897         (INFTY): Increase the value for infinite cost.
2898         (struct comp_cost): Promote type of members to int64_t.
2899         (infinite_cost): Don't set complexity in initialization.
2900         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2901         overflows to infinite_cost.
2902         (adjust_setup_cost): Promote type of parameter and cost computation
2903         to int64_t.
2904         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2905         int64_t.
2906         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2907         cost computation to int64_t.
2908         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2909         int64_t's format specifier in dump.
2910
2911 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2912
2913         PR tree-optimization/90240
2914         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2915         with respect to scaling factor pre-computed for each basic block.
2916         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2917         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2918         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2919         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2920         live range for array of loop's basic blocks.  Cleanup aux field of
2921         loop's basic blocks.
2922
2923 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2924
2925         PR tree-optimization/90356
2926         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2927
2928 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2929
2930         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2931         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2932         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2933         (ix86_handle_option): Handle -mavx512bf16.
2934         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2935         to extra_headers.
2936         * config/i386/avx512bf16vlintrin.h: New.
2937         * config/i386/avx512bf16intrin.h: New.
2938         * config/i386/cpuid.h (bit_AVX512BF16): New.
2939         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2940         * config/i386/i386-builtin-types.def: Add new types.
2941         * config/i386/i386-builtin.def: Add new builtins.
2942         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2943         __AVX512BF16__.
2944         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2945         (ix86_option_override_internal): Handle BF16.
2946         (ix86_valid_target_attribute_inner_p): Ditto.
2947         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2948         * config/i386/i386-builtin.c (enum processor_features): Add
2949         F_AVX512BF16.
2950         (static const _isa_names_table isa_names_table): Ditto.
2951         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2952         (PTA_AVX512BF16): Ditto.
2953         * config/i386/i386.opt: Add -mavx512bf16.
2954         * config/i386/immintrin.h: Include avx512bf16intrin.h
2955         and avx512bf16vlintrin.h.
2956         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2957         avx512f_cvtneps2bf16_<mode><mask_name>,
2958         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2959         * config/i386/subst.md (mask_half): Add new subst.
2960         * doc/invoke.texi: Document -mavx512bf16.
2961
2962 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2963
2964         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2965         Delete declaration.
2966         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2967         (rs6000_debug_legitimize_reload_address): Delete.
2968         (rs6000_legitimize_reload_address_ptr): Delete.
2969         (rs6000_option_override_internal): Adjust.
2970         (mem_operand_gpr): Adjust comment.
2971         (legitimate_lo_sum_address_p): Ditto.
2972         (rs6000_legitimize_reload_address): Delete.
2973         (rs6000_debug_legitimize_reload_address): Delete.
2974         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2975
2976 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2977
2978         PR target/89765
2979         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2980         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2981         to compute vector element selector for both constant and variable
2982         operands.
2983
2984 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2985
2986         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2987         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2988         ashrdi3_cvt using SWI48 mode iterator.
2989
2990 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2991
2992         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2993         (aarch64_<su>abd<mode>_3): Likewise.
2994         (*aarch64_<su>abd<mode>_3): New define_insn.
2995         (<sur>sad<vsi2qi>): New define_expand.
2996         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2997         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2998         (build_vect_cond_expr): Likewise.
2999
3000 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3001
3002         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3003         clobbers outside of accessible_reg_set.
3004         * config/i386/i386.c (ix86_conditional_register_usage):
3005         Disable register sets by clearing corresponding bits in
3006         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3007         call_used_regs and don't clear corresponding reg_names array members.
3008
3009 2019-05-07  Richard Biener  <rguenther@suse.de>
3010
3011         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3012         not specified still compute a comp_vectype for invariant
3013         compares.
3014
3015 2019-05-07  Richard Biener  <rguenther@suse.de>
3016
3017         PR tree-optimization/90316
3018         * tree-ssa-pre.c (translate_vuse_through_block): When
3019         same_valid is NULL do not bother to search for a virtual
3020         PHI continuation.
3021         (phi_translate_1): When operands changed we cannot keep
3022         the same value-number so do not bother to ask whether
3023         that's possible from translate_vuse_through_block.
3024
3025 2019-05-07  Martin Liska  <mliska@suse.cz>
3026
3027         * bitmap.c (bitmap_register): Come up with
3028         alloc_descriptor_max_uid and assign it for
3029         a new bitmap.
3030         (register_overhead): Use get_descriptor as
3031         a descriptor.
3032         (release_overhead): New.
3033         (bitmap_elem_to_freelist): Call it.
3034         (bitmap_elt_clear_from): Likewise.
3035         (bitmap_obstack_free): Likewise.
3036         (bitmap_move): Sensitively release memory.
3037         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3038         (bitmap_initialize): Initialize alloc_descriptor to zero.
3039         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3040
3041 2019-05-07  Richard Biener  <rguenther@suse.de>
3042
3043         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3044         we build a SLP node.  Remove max_size and limiting.
3045         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3046
3047 2019-05-07  Richard Biener  <rguenther@suse.de>
3048
3049         PR tree-optimization/90316
3050         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3051         limit by reference.
3052         (walk_non_aliased_vuses): Take walking limit argument.
3053         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3054         walking if it is reached instead of just counting.
3055         (get_continuation_for_phi): Likewise.
3056         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3057         limiting to the callback.
3058         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3059         (vn_reference_lookup_3): Likewise.
3060         (vn_reference_lookup_pieces): Likewise.
3061         (vn_reference_lookup): Likewise.
3062         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3063         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3064         (avail_exprs_stack::lookup_avail_expr): Likewise.
3065
3066 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3067
3068         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3069         for comparaible types in the second direction even if first one
3070         hits incomparable type.
3071
3072 2019-05-07  Richard Biener  <rguenther@suse.de>
3073
3074         PR lto/90369
3075         * lto-wrapper.c (debug_objcopy): Use the original filename
3076         including archive offset for the filename used for -save-temps.
3077
3078 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3079
3080         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3081         detection.
3082
3083 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3084             Hongtao Liu  <hongtao.liu@intel.com>
3085
3086         PR target/89750
3087         PR target/86444
3088         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3089         Modified, original implementation isn't correct.
3090
3091 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3092
3093         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3094         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3095         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3096         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3097         (FRAME_POINTER_REGNUM): Change numbering.
3098         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3099         (alt_reg_names): Adjust.
3100         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3101         fixed.
3102         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3103         (DWARF_FRAME_REGISTERS): Delete.
3104         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3105         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3106         Adjust.
3107         (REG_ALLOC_ORDER): Adjust.
3108         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3109         (REG_CLASS_CONTENTS): Adjust.
3110         (RETURN_ADDR_RTX): Change comment.
3111         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3112         instead of 67.
3113         (REGISTER_NAMES): Adjust.
3114         (ADDITIONAL_REGISTER_NAMES): Adjust.
3115         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3116
3117 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3118
3119         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3120         Delete.
3121         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3122         (DWARF_FRAME_REGISTERS): Adjust.
3123         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3124         Adjust.
3125         (REG_ALLOC_ORDER): Adjust.
3126         (enum reg_class): Delete SPR_REGS.
3127         (REG_CLASS_NAMES): Delete SPR_REGS.
3128         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3129         (REGISTER_NAMES): Adjust.
3130         (ADDITIONAL_REGISTER_NAMES): Adjust.
3131         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3132         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3133         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3134         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3135         (htm_spr_regno): Delete.
3136         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3137         argument.
3138         (rs6000_dbx_register_number): Adjust.
3139
3140 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3141
3142         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3143
3144 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3145
3146         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3147         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3148
3149 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3150
3151         PR tree-optimization/88709
3152         PR tree-optimization/90271
3153         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3154         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3155         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3156         variable.
3157         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3158         of the store merging group is larger than
3159         PARAM_STORE_MERGING_MAX_SIZE parameter.
3160         (split_group): Add bzero_first argument.  If set, always emit first
3161         the first store which must be = {} of the whole area and then for the
3162         rest of the stores consider all zero bytes as paddings.
3163         (imm_store_chain_info::output_merged_store): Check if first store
3164         is = {} of the whole area and if yes, determine which setting of
3165         bzero_first for split_group gives smaller number of stores.  Adjust
3166         split_group callers.
3167         (lhs_valid_for_store_merging_p): Allow decls.
3168         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3169         no elts.
3170         (pass_store_merging::process_store): Likewise.
3171
3172 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3173
3174         PR target/89424
3175         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3176         handling of V1TImode.
3177
3178 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3179
3180         PR target/89221
3181         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3182         and enable_frame_pointer ...
3183         * configure.ac: ... here.  Update help strings for
3184         --enable-frame-pointer.
3185         * configure: Regenerate.
3186         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3187         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3188         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3189         (USE_X86_64_FRAME_POINTER): Ditto.
3190
3191 2019-05-06  Martin Liska  <mliska@suse.cz>
3192
3193         * config.gcc: Append to target_gtfiles and fix indentation.
3194
3195 2019-05-06  Richard Biener  <rguenther@suse.de>
3196
3197         PR tree-optimization/90358
3198         * tree-vect-stmts.c (get_group_load_store_type): Properly
3199         detect unused upper half of load.
3200         (vectorizable_load): Likewise.
3201
3202 2019-05-06  Richard Biener  <rguenther@suse.de>
3203
3204         PR tree-optimization/88828
3205         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3206         (simplify_vector_constructor): ...here.  Handle constants in
3207         the constructor.
3208
3209 2019-05-06  Richard Biener  <rguenther@suse.de>
3210
3211         PR tree-optimization/90328
3212         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3213         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3214         is valid in the loop nest before using it.
3215         (initialize_data_dependence_relation): Adjust.
3216         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3217         loop as loop-nest to dr_may_alias_p.
3218
3219 2019-05-06  Richard Biener  <rguenther@suse.de>
3220
3221         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3222
3223 2019-05-06  Richard Biener  <rguenther@suse.de>
3224
3225         PR tree-optimization/90316
3226         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3227         compute target on demand.
3228         (get_continuation_for_phi): Remove code walking stmts to
3229         get to a target virtual operand which could end up being
3230         quadratic.
3231
3232 2019-05-06  Martin Liska  <mliska@suse.cz>
3233
3234         PR sanitizer/90312
3235         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3236         when -mabi is selected to a non-default version.
3237
3238 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3239             Martin Liska  <mliska@suse.cz>
3240
3241         * Makefile.in: Add lto-dump.texi.
3242         * cgraph.h: Add new functions get_visibility_string and
3243         get_symtab_type_string.
3244         * doc/gcc.texi: Include lto-dump section.
3245         * doc/lto-dump.texi: New file.
3246         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3247         (parse_dump_option): Factor out this function.
3248         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3249         (parse_dump_option): Export the function.
3250         * symtab.c (symtab_node::get_visibility_string): New function.
3251         (symtab_node::get_symtab_type_string): Likewise.
3252
3253 2019-05-06  Martin Liska  <mliska@suse.cz>
3254
3255         * config/i386/i386-builtins.c: New file.
3256         * config/i386/i386-builtins.h: New file.
3257         * config/i386/i386-expand.c: New file.
3258         * config/i386/i386-expand.h: New file.
3259         * config/i386/i386-features.c: New file.
3260         * config/i386/i386-features.h: New file.
3261         * config/i386/i386-options.c: New file.
3262         * config/i386/i386-options.h: New file.
3263         * config.gcc: Add new files into extra_objs and
3264         target_gtfiles.
3265         * config/i386/i386.c: Split content of the file
3266         into newly introduced files.
3267         * config/i386/i386.h: Declare common variables
3268         and macros.
3269         * config/i386/t-i386: Define dependencies for new files.
3270
3271 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3272
3273         PR target/89400
3274         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3275         Restrict 'all' variant to 32-bit configurations.
3276         (unaligned_loadhiu): Likewise.
3277         (unaligned_storehi): Likewise.
3278         (unaligned_storesi): Likewise.
3279         (unaligned_loadhis): Disable when compiling for thumb1.
3280
3281 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3282
3283         PR tree-optimization/90269
3284         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3285         Ignore clobbers.
3286
3287 2019-05-03  Martin Liska  <mliska@suse.cz>
3288
3289         * hash-map.h: Add is_empty function.
3290         * hash-set.h: Likewise.
3291         * hash-table.h: Likewise.
3292         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3293         elements () == 0 (and similar usages).
3294         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3295         * gimplify.c (gimplify_bind_expr): Likewise.
3296         (gimplify_switch_expr): Likewise.
3297         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3298         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3299         * postreload-gcse.c (dump_hash_table): Likewise.
3300         (gcse_after_reload_main): Likewise.
3301         * predict.c (combine_predictions_for_bb): Likewise.
3302         * tree-parloops.c (reduction_phi): Likewise.
3303         (separate_decls_in_region): Likewise.
3304         (transform_to_exit_first_loop): Likewise.
3305         (gen_parallel_loop): Likewise.
3306         (gather_scalar_reductions): Likewise.
3307         (try_create_reduction_list): Likewise.
3308         * var-tracking.c (dump_vars): Likewise.
3309         (emit_notes_for_changes): Likewise.
3310         (vt_emit_notes): Likewise.
3311
3312 2019-05-03  Richard Biener  <rguenther@suse.de>
3313
3314         PR tree-optimization/90316
3315         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3316         before running VN.
3317
3318 2019-05-03  Richard Biener  <rguenther@suse.de>
3319
3320         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3321         peeling for gaps by loading only lower halves of vectors
3322         if possible.
3323         (vectorizable_load): Likewise.
3324
3325 2019-05-03  Richard Biener  <rguenther@suse.de>
3326
3327         PR middle-end/89518
3328         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3329
3330 2019-05-03  Richard Biener  <rguenther@suse.de>
3331
3332         PR middle-end/87314
3333         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3334         Handle STRING_CST vs DECL or STRING_CST.
3335
3336 2019-05-03  Richard Biener  <rguenther@suse.de>
3337
3338         PR tree-optimization/88963
3339         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3340         vector loads feeding only BIT_FIELD_REFs to component
3341         loads.  Rewrite stores fed by CONSTRUCTORs to component
3342         stores.
3343
3344 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3345
3346         * opts.h (finish_options): Remove lang_mask argument.
3347         (print_help, help_option_argument): Declare.
3348         * opts.c (print_help): Remove forward declaration, no longer static.
3349         (finish_options): Remove lang_mask argument, don't call print_help
3350         here.
3351         * opts-global.c (decode_options): Adjust finish_option caller, call
3352         print_help here.
3353
3354         PR tree-optimization/90303
3355         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3356         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3357
3358 2019-05-03  Richard Biener  <rguenther@suse.de>
3359
3360         PR tree-optimization/89698
3361         * gimple-fold.c (canonicalize_constructor_val): Early out
3362         for constants, handle unfolded INTEGER_CSTs as they appear in
3363         C++ virtual table ctors.
3364
3365 2019-05-03  Richard Biener  <rguenther@suse.de>
3366
3367         * passes.c (execute_function_todo): Remove dead code.
3368
3369 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3370
3371         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3372         the internal register number, for any "real" register.
3373
3374 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3375
3376         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3377         correct numbers for TFHAR, TFIAR, TEXASR.
3378
3379 2019-05-02  Richard Biener  <rguenther@suse.de>
3380
3381         PR tree-optimization/89653
3382         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3383         update-address-taken before the pass.
3384         * passes.def (pass_tree_loop_init): Put comment before it.
3385
3386 2019-05-02  Richard Biener  <rguenther@suse.de>
3387
3388         PR tree-optimization/89509
3389         * tree-ssa-structalias.c (compute_dependence_clique): Look
3390         at the first subvar when determining whether it is restrict.
3391
3392 2019-05-02  Richard Biener  <rguenther@suse.de>
3393
3394         PR tree-optimization/90273
3395         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3396         useless debug stmts.
3397
3398 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3399
3400         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3401         ACLE branch.
3402         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3403         SVE ACLE branch.
3404         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3405         VEC_COND_EXPR be inserted to emulate a conditional internal function.
3406         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3407         (vectorizable_reduction): Use the functions above to vectorize in a
3408         fully masked loop codes that don't have a conditional internal
3409         function.
3410
3411 2019-05-02  Martin Liska  <mliska@suse.cz>
3412
3413         * cgraphclones.c: Call valid_attribute_p with 1 for
3414         target_clone.
3415         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3416         it's for target attribute.
3417         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3418         Add new boolean argument.
3419         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3420         Likewise.
3421         (ix86_valid_target_attribute_tree): Pass target_clone_attr
3422         to ix86_valid_target_attribute_inner_p.
3423         (ix86_valid_target_attribute_p): Pass flags argument to
3424         ix86_valid_target_attribute_inner_p.
3425         (get_builtin_code_for_version): Use 0 as it's target attribute.
3426
3427 2019-05-02  Martin Liska  <mliska@suse.cz>
3428
3429         * gcc.c (process_command): Add dummy file only
3430         if n_infiles == 0.
3431         * opts-global.c (decode_options): Pass lang_mask.
3432         * opts.c (print_help): New function.
3433         (finish_options): Print --help if help_option_argument
3434         is set.
3435         (common_handle_option): Factor out content of OPT__help_
3436         into print_help.
3437         * opts.h (finish_options): Add new argument.
3438
3439 2019-05-02  Martin Liska  <mliska@suse.cz>
3440
3441         PR target/88809
3442         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3443         With -minline-all-stringops use inline expansion using 4B loop.
3444         * doc/invoke.texi: Document the change of
3445         -minline-all-stringops.
3446
3447 2019-05-01  Jeff Law  <law@redhat.com>
3448
3449         PR tree-optimization/88797
3450         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3451         PHI feeds a conditional on the RHS of an assignment.
3452
3453 2019-04-30  Andrew Waterman  <andrew@sifive.com>
3454             Jim Wilson  <jimw@sifive.com>
3455
3456         * config/riscv/constraints.md (L): New.
3457         * config/riscv/predicates.md (lui_operand): New.
3458         (sfb_alu_operand): New.
3459         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3460         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3461         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3462         * config/riscv/risc.md (type): Add sfb_alu.
3463         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
3464         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
3465         (branch_zero<mode>): Delete.
3466         (mov<mode>cc): New.
3467         (mov<GPR:mode><X:mode>cc): Likewise.
3468         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
3469
3470 2019-04-30  Nathan Sidwell  <nathan@acm.org>
3471
3472         * tree.h (MARK_TS_EXP): New.
3473
3474 2019-04-30  Martin Liska  <mliska@suse.cz>
3475
3476         * opts.c (enable_warning_as_error): Provide hints
3477         for unknown options.
3478
3479 2019-04-30  Martin Liska  <mliska@suse.cz>
3480
3481         PR debug/90288
3482         * doc/invoke.texi: Add missing dash for gas-locview-support
3483         and gno-as-locview-support.
3484
3485 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3486
3487         PR target/89093
3488         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3489         whitespace at the start of target attribute string.
3490
3491 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3492
3493         PR target/86538
3494         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3495         Define __ARM_FEATURE_ATOMICS.
3496
3497 2019-04-30  Martin Liska  <mliska@suse.cz>
3498
3499         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3500         into built_in_function enum. Remove code for endp == 2 and
3501         use BUILT_IN_* constants.
3502         (gimple_fold_builtin): Call the function with fcode.
3503
3504 2019-04-30  Martin Liska  <mliska@suse.cz>
3505
3506         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3507         DECL_FUNCTION_CODE into ix86_builtins enum before
3508         the switch statement.
3509
3510 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3511
3512         PR tree-optimization/89475
3513         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3514         calls.
3515
3516 2019-04-30  Martin Liska  <mliska@suse.cz>
3517
3518         PR translation/90274
3519         * opts.c (print_filtered_help): Wrap string in _(...).
3520
3521 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3522
3523         PR tree-optimization/90240
3524         Revert:
3525         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3526
3527         PR tree-optimization/90078
3528         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3529         checks for infinite_cost overflow.
3530
3531 2019-04-29  Jeff Law  <law@redhat.com>
3532
3533         * passes.def: Move -Wrestrict pass after copy propagation.
3534
3535 2019-04-29  Maya Rashish  <coypu@sdf.org>
3536
3537         * config.gcc (default_gnu_indirect_function): Default to yes
3538         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3539         sparc*-*-netbsd*, x86_64-*-netbsd*.
3540
3541 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3542
3543         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3544         where cond2 is NE_EXPR.
3545         (is_value_included_in): Update comment.
3546
3547 2019-04-29  Richard Biener  <rguenther@suse.de>
3548
3549         PR tree-optimization/90278
3550         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3551         EH on comparison simplification.
3552
3553 2019-04-29  Jason Merrill  <jason@redhat.com>
3554
3555         PR c++/82081 - tail call optimization breaks noexcept
3556         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3557         nothrow function to a might-throw function into a tail call.
3558
3559 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3560
3561         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3562         (DDR_INNER_LOOP): Likewise.
3563         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3564         (initialize_data_dependence_relation): Likewise.
3565         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3566
3567 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3568
3569         PR rtl-optimization/90257
3570         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3571         return value.
3572
3573         Revert the revert:
3574         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3575
3576         PR target/90178
3577         Revert:
3578         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3579
3580         Revert the revert:
3581         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3582
3583         Revert:
3584         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3585
3586         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3587
3588 2019-04-29  Richard Biener  <rguenther@suse.de>
3589
3590         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3591         rhs issue a reset.
3592
3593 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3594
3595         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3596         varasm.h, and netbsd-protos.h.
3597
3598 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3599
3600         PR target/89261
3601         * config/i386/i386-protos.h (ix86_data_alignment): Change
3602         the second argument type to unsigned int.
3603         * config/i386/i386.c (ix86_data_alignment): Change "align"
3604         argument type to unsigned int.
3605
3606 2019-04-27  Martin Liska  <mliska@suse.cz>
3607
3608         PR middle-end/90258
3609         * opt-suggestions.c (option_proposer::build_option_suggestions):
3610         When get_valid_option_values returns empty values, add the
3611         misspelling candidate.
3612
3613 2019-04-26  Jim Wilson  <jimw@sifive.com>
3614
3615         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3616         parameter.
3617         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3618         Pass orig_mode to riscv_build_integer.
3619         (riscv_split_integer): Pass mode to riscv_move_integer.
3620         (riscv_legitimize_const_move): Likewise.
3621         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3622         promoted_mode.  Replace force_reg call with code to load constant into
3623         promoted reg and then subreg it for the store.
3624         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3625         riscv_move_integer.
3626
3627 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3628
3629         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3630         corrupt codes.
3631
3632 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3633
3634         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3635         commentary about the encoding of precision.
3636
3637 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3638
3639         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3640         * config/i386/t-freebsd64: New file.
3641         * config.gcc: Add the t-freebsd64 for multilib support.
3642
3643 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3644
3645         * doc/extend.texi (vector_size): Add missing comma after @xref.
3646
3647 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3648
3649         * BASE-VER: Set to 10.0.0.
3650
3651 2019-04-25  Richard Biener  <rguenther@suse.de>
3652
3653         PR middle-end/89765
3654         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3655         VIEW_CONVERT_EXPR into one operating on an rvalue.
3656
3657 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3658
3659         PR target/89929
3660         * config/i386/i386.c (feature_priority): Moved to file scope.
3661         (processor_features): Likewise.
3662         (processor_model): Likewise.
3663         (_arch_names_table): Likewise.
3664         (arch_names_table): Likewise.
3665         (_feature_list): Removed.
3666         (feature_list): Likewise.
3667         (_isa_names_table): Moved to file scope.  Add priority.
3668         (isa_names_table): Likewise.
3669         (get_builtin_code_for_version): Replace feature_list with
3670         isa_names_table.  Update error message for P_ZERO priority.
3671
3672 2019-04-25  Richard Biener  <rguenther@suse.de>
3673
3674         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3675         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3676
3677 2019-04-24  Jeff Law  <law@redhat.com>
3678
3679         PR tree-optimization/90037
3680         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3681         * passes.def: Replace all instance of phi-only cprop with the
3682         lattice propagator.  Move propagation pass from after erroneous
3683         path isolation to before erroneous path isolation.
3684         * tree-ssa-phionlycprop.c: Remove.
3685
3686 2019-04-24  Richard Biener  <rguenther@suse.de>
3687
3688         PR middle-end/90213
3689         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3690         by size and BITS_PER_UNIT on poly-wide-ints.
3691
3692 2019-04-25  Richard Biener  <rguenther@suse.de>
3693
3694         PR middle-end/90194
3695         * match.pd: Add pattern to simplify view-conversion of an
3696         empty constructor.
3697
3698 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3699
3700         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3701         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3702         for Go on 32 bit AIX.
3703         * config/rs6000/aix72.h: Likewise.
3704
3705 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3706
3707         PR target/90193
3708         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3709         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3710
3711 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3712
3713         PR target/89952
3714         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3715         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3716         for restored hard frame pointer.
3717         (s390_sched_dependencies_evaluation): Implement new target hook.
3718         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3719
3720 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3721
3722         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3723         * config/arc/arc.c (arc_init): Cleanup warning message.
3724         (arc_override_options): Likewise.
3725
3726 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3727
3728         PR target/90187
3729         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3730         a register if both if_true and if_false are MEMs.
3731
3732         PR tree-optimization/90208
3733         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3734         after labels of new_bb, not before them.
3735
3736         PR tree-optimization/90211
3737         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3738         which are not SSA_NAMEs.
3739
3740 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3741
3742         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3743         AArch64.
3744         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3745
3746 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3747
3748         PR rtl-optimization/87979
3749         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3750         not equal zero.
3751
3752 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3753
3754         PR rtl-optimization/84032
3755         * modulo-sched.c (ps_insn_find_column): Change condition so that
3756         branch will always be the last insn in a row inside partial
3757         schedule.
3758
3759 2019-04-23  Richard Biener  <rguenther@suse.de>
3760
3761         PR debug/90131
3762         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3763         dest_single_pred_p argument.
3764         (remove_forwarder_block): Adjust.
3765         (remove_forwarder_block_with_phi): Likewise.
3766
3767 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3768             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3769             Jakub Jelinek  <jakub@redhat.com>
3770
3771         PR target/89093
3772         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3773         if used with general-regs-only.
3774         (arm_conditional_register_usage): Don't add non-general regs if
3775         general-regs-only.
3776         (arm_valid_target_attribute_rec): Handle general-regs-only.
3777         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3778         general-regs-only.
3779         (TARGET_HARD_FLOAT_SUB): Define.
3780         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3781         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3782         (TARGET_REALLY_IWMMXT2): Likewise.
3783         * config/arm/arm.opt: Add -mgeneral-regs-only.
3784         * doc/extend.texi: Document ARM general-regs-only target.
3785         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3786
3787 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3788
3789         PR tree-optimization/90078
3790         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3791         checks for infinite_cost overflow.
3792
3793 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3794
3795         PR tree-optimization/90021
3796         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3797         and check univariate against it.
3798         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3799         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3800
3801 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3802
3803         PR target/90178
3804         Revert:
3805         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3806
3807         Revert the revert:
3808         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3809
3810         Revert:
3811         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3812
3813         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3814
3815 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3816
3817         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3818         names using operand format, rather than hard-wired.
3819         (speculation_barrier): Likewise.
3820
3821 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3822
3823         PR tree-optimization/88055
3824         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3825         (gen_one_condition): Use it if !HONOR_NANS.
3826
3827 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3828
3829         PR middle-end/90139
3830         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3831         assign_temp instead of gen_reg_rtx.
3832
3833 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3834
3835         PR translation/90118
3836         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3837         Add missing space before %<.
3838
3839 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3840
3841         PR rtl-optimization/87871
3842         * ira-lives.c (make_object_dead): Don't add conflicts to
3843         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3844
3845 2019-04-18  Martin Sebor  <msebor@redhat.com>
3846
3847         PR middle-end/89797
3848         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3849         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3850         assuming type size fits in SHWI.
3851
3852 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3853
3854         PR ipa/85051
3855         * ipa-inline.c (flatten_function): New parameter UPDATE.
3856         (ipa_inline, early_inliner): Use it.
3857
3858 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3859
3860         * fold-const.c (int_const_binop): Return early on failure.
3861
3862 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3863
3864         PR middle-end/85164
3865         * combine.c (force_int_to_mode): Cast the argument rather than
3866         the result of known_alignment.
3867         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3868
3869 2019-04-18  Richard Biener  <rguenther@suse.de>
3870
3871         PR debug/90131
3872         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3873         out from ...
3874         (remove_forwarder_block): ... here.
3875         (remove_forwarder_block_with_phi): Also move debug stmts here.
3876
3877 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3878
3879         PR translation/79183
3880         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3881         inform where appropriate.
3882
3883 2019-04-18  Richard Biener  <rguenther@suse.de>
3884
3885         * tree.c (get_qualified_type): Put found type variants at the
3886         head of the variant list.
3887
3888 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3889
3890         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3891
3892 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3893
3894         PR target/90125
3895         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3896         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3897         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3898         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3899         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3900
3901 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3902
3903         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3904         even for allocno's with no conflicts.
3905         (print_conflicts): Print an extra newline.
3906
3907 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3908
3909         * auto-inc-dec.c (attempt_change): Set the alignment of the
3910         temporary memory to that of the original.
3911
3912 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3913
3914         * targhooks.c (default_print_patchable_function_entry): Emit
3915         __patchable_function_entries section with writable flags to allow
3916         relocation resolution.
3917
3918 2019-04-17  Jonny Grant  <jg@jguk.org>
3919
3920         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3921
3922 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3923
3924         PR middle-end/90095
3925         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3926         on lowpart SUBREGs.
3927
3928 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3929
3930         * config/arc/arc.c (arc_init): Format diagnostic string.
3931         (arc_override_options): Likewise.
3932         (check_if_valid_regno_const): Likewise.
3933         (arc_reorg): Likewise.
3934
3935 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3936
3937         PR target/17108
3938         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3939         name.
3940         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3941         name.
3942         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3943         (*movdi_update1): Use Pmode.
3944         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3945         (movdi_<mode>_update_stack): Rename to ...
3946         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3947         use Pmode.
3948         (*movsi_update1): Use Pmode.
3949         (*movsi_update2): Use Pmode.
3950         (movsi_update): Rename to ...
3951         (movsi_<mode>_update): ... this.  Use Pmode.
3952         (movsi_update_stack): Fix condition.
3953         (*movhi_update1): Use Pmode.  Fix argument to
3954         avoiding_indexed_address_p.
3955         (*movhi_update2): Ditto.
3956         (*movhi_update3): Ditto.
3957         (*movhi_update4): Ditto.
3958         (*movqi_update1): Ditto.
3959         (*movqi_update2): Ditto.
3960         (*movqi_update3): Ditto.
3961         (*movsf_update1, *movdf_update1): Merge, rename to...
3962         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3963         avoiding_indexed_address_p.  Add "size" attribute.
3964         (*movsf_update2, *movdf_update2): Merge, rename to...
3965         (*mov<mode>_update2): This.  Ditto.
3966         (*movsf_update3): Use Pmode.  Fix argument to
3967         avoiding_indexed_address_p.
3968         (*movsf_update4): Ditto.
3969         (allocate_stack): Simplify condition.  Adjust pattern names.
3970
3971 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3972
3973         PR target/89093
3974         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3975         whitespace at the start of target attribute string.
3976
3977 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3978
3979         PR target/84369
3980         * config/rs6000/power9.md: Add store forwarding bypass.
3981
3982 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3983
3984         PR debug/89528
3985         * valtrack.c (dead_debug_insert_temp): Reset debug references
3986         to the return value of a call being removed.
3987
3988 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3989
3990         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3991         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3992         implement target hook.
3993         (arc_memory_move_cost): New function.
3994         (TARGET_REGISTER_MOVE_COST): Define.
3995         (TARGET_MEMORY_MOVE_COST): Likewise.
3996         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3997         (MEMORY_MOVE_COST): Likewise.
3998
3999 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4000
4001         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4002         (sibcall_value_insn): Likewise.
4003         * config/arc/constraints.md (Rs5): Remove.
4004
4005 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4006
4007         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4008         for last two fake registers.
4009         (arc_conditional_register_usage): Make sure fake frame and arg
4010         pointer regs are in general regs class.
4011         (FRAME_POINTER_MASK): Remove.
4012         (RETURN_ADDR_MASK): Remove.
4013         (arc_must_save_register): Use hard frame regnum.
4014         (frame_restore_reg): Use hard_frame_pointer_rtx.
4015         (arc_save_callee_saves): Likewise.
4016         (arc_restore_callee_saves): Likewise.
4017         (arc_save_callee_enter): Likewise.
4018         (arc_restore_callee_leave): Likewise.
4019         (arc_save_callee_milli): Likewise.
4020         (arc_eh_return_address_location): Likewise.
4021         (arc_check_multi): Use hard frame regnum.
4022         (arc_can_eliminate): Likewise.
4023         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4024         for register allocator.
4025         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4026         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4027         (FRAME_POINTER_REGNUM): Change it to a fake register.
4028         (HARD_FRAME_POINTER_REGNUM): Defined.
4029         (ARG_POINTER_REGNUM): Change it to a new fake register.
4030         (ELIMINABLE_REGS): Update.
4031         (REGISTER_NAMES): Update names.
4032         * config/arc/arc.md (LP_START): Remove.
4033         (LP_END): Likewise.
4034         (shift_si3_loop): Update pattern.
4035
4036 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4037
4038         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4039         to avoid delay slot scheduling.
4040         (arc_must_save_register): Don't save SP.
4041         * config/arc/arc.md (stack_tie): Remove.
4042         (UNSPEC_ARC_STKTIE): Likewise.
4043
4044 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4045             Shiva Chen  <shiva0217@gmail.com>
4046
4047         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4048         code gen with large shift amount.
4049
4050 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4051
4052         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4053         subreg.
4054
4055 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4056
4057         PR target/90096
4058         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4059         print -m64/-mx32/-m32 if it is true.
4060         (ix86_debug_options, ix86_function_specific_print): Pass true as
4061         ADD_ABI_P to ix86_target_string.
4062         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4063         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4064         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4065
4066         PR rtl-optimization/90082
4067         * dce.c (can_delete_call): New function.
4068         (deletable_insn_p, mark_insn): Use it.
4069
4070         PR tree-optimization/90090
4071         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4072         throw internally.
4073         (is_division_by_square): Likewise.  Formatting fix.
4074
4075 2019-04-16  Richard Biener  <rguenther@suse.de>
4076
4077         PR tree-optimization/56049
4078         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4079         equality check if alias-set zero will prevail.
4080
4081 2019-04-15  Jeff Law  <law@redhat.com>
4082
4083         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4084         size and alignment as unsigned.
4085
4086 2019-04-15  Richard Biener  <rguenther@suse.de>
4087
4088         PR debug/90074
4089         * tree-loop-distribution.c (destroy_loop): Preserve correct
4090         debug info.
4091
4092 2019-04-15  Richard Biener  <rguenther@suse.de>
4093
4094         PR tree-optimization/90071
4095         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4096         abnormal operands from def stmts.
4097
4098 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4099
4100         PR rtl-optimization/89794
4101         * combine.c (count_auto_inc): New function.
4102         (try_combine): Count how many auto_inc expressions there were in the
4103         original instructions.  Ensure we have the same number in the new
4104         instructions.  Remove the code that tried to ensure auto_inc side
4105         effects on i1 and i0 are not lost.
4106
4107 2019-04-15  Richard Biener  <rguenther@suse.de>
4108
4109         PR ipa/88936
4110         * tree.h (auto_var_p): Declare.
4111         * tree.c (auto_var_p): New function, split out from ...
4112         (auto_var_in_fn_p): ... here.
4113         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4114         member.
4115         (new_var_info): Initialize it.
4116         (set_uids_in_ptset): Also set the shadow variable uid if required.
4117         (ipa_pta_execute): Postprocess points-to solutions assigning
4118         shadow variable uids for locals that may reach their containing
4119         function recursively.
4120         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4121         assert but instead check whether the points-to solution is
4122         a singleton.
4123
4124 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4125
4126         PR ipa/pr89693
4127         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4128         the thunk chain.
4129
4130 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4131
4132         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4133
4134 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4135             Kito Cheng  <kito.cheng@gmail.com>
4136             Shiva Chen  <shiva0217@gmail.com>
4137
4138         * config/nds32/nds32-md-auxiliary.c
4139         (nds32_legitimize_pic_address): Use new PIC pattern.
4140         (nds32_legitimize_tls_address): Use new TLS pattern.
4141         (nds32_output_symrel): New.
4142         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4143         (nds32_alloc_relax_group_id): Ditto.
4144         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4145         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4146         relax_group_id.
4147         (nds32_group_tls_insn): Ditto.
4148         (nds32_group_float_insns): Ditto.
4149         * config/nds32/nds32.md (tls_le): New.
4150         (sym_got): Ditto.
4151
4152 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4153
4154         * configure: Add nds32 target for dwarf2 debug_line checking.
4155         * configure.ac: Regenerated.
4156
4157 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4158
4159         PR lto/89358
4160         * ipa-devirt.c (skip_in_fields_list_p): New.
4161         (odr_types_equivalent_p): Use it.
4162
4163 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4164
4165         PR target/89093
4166         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4167         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4168
4169 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4170
4171         * doc/install.texi: Document --with-target-system-zlib.
4172
4173 2019-04-12  Martin Sebor  <msebor@redhat.com>
4174
4175         PR c/88383
4176         PR c/89288
4177         PR c/89798
4178         PR c/89797
4179         * targhooks.c (default_vector_alignment): Avoid assuming
4180         argument fits in SHWI.
4181         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4182         a shift expression.
4183         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4184
4185 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4186
4187         PR rtl-optimization/89965
4188         * dce.c: Include rtl-iter.h.
4189         (struct check_argument_load_data): New type.
4190         (check_argument_load): New function.
4191         (find_call_stack_args): Check for loads from stack slots still tracked
4192         in sp_bytes and punt if any is found.
4193
4194         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4195
4196 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4197
4198         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4199         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4200
4201 2019-04-12  Martin Liska  <mliska@suse.cz>
4202
4203         PR middle-end/89970
4204         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4205         in error message.
4206         (separate_attrs): Handle multiple 'default's.
4207         (expand_target_clones): Rework error handling code.
4208
4209 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4210
4211         PR target/87532
4212         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4213         mode of vector rather than mode of destination for move instruction.
4214         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4215         Use QI inner mode with V16QI vector mode.
4216
4217 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4218
4219         PR target/52726
4220         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4221         "invalid %%t operand" in output_operand_lossage message.
4222
4223 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4224
4225         * config/s390/predicates.md (permute_pattern_operand): New
4226         predicate.
4227         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4228         operand for the permute pattern.
4229         ("*vec_perm<mode>"): New insn definition.
4230         ("bswap<mode>"): Generate the permute pattern operand in the
4231         expander and perform the operand reloads for pre arch13 level
4232         already.
4233         ("*bswap<mode>_emu"): Rename to ...
4234         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4235         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4236         Add the USE operand for the permute pattern.
4237         ("*vec_set_bswap_vec<mode>"): Likewise.
4238
4239 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4240
4241         PR c/89946
4242         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4243         and gcc_unreachable if it fails, just call tree_to_uhwi which
4244         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4245         Start warning message with a lower-case letter.  Formatting fixes.
4246
4247         PR rtl-optimization/90026
4248         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4249         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4250         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4251         in cfglayout mode, use emit_barrier_after_bb.
4252
4253 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4254
4255         PR rtl-optimization/87763
4256         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4257         New Instruction.
4258
4259 2019-04-11  Tom de Vries  <tdevries@suse.de>
4260
4261         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4262         max macro using statement expression.
4263
4264 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4265
4266         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4267         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4268         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4269         read_only_private_data_section using xcoff_private_rodata_section_name.
4270         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4271
4272 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4273
4274         PR target/90016
4275         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4276
4277 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4278
4279         PR rtl-optimization/89965
4280         * dce.c (sp_based_mem_offset): New function.
4281         (find_call_stack_args): Use sp_based_mem_offset.
4282
4283 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4284
4285         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4286
4287 2019-04-11  Richard Biener  <rguenther@suse.de>
4288
4289         PR tree-optimization/90020
4290         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4291         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4292         * tree-ssa-pre.c (compute_avail): Use it to not put
4293         possibly trapping references after a call that might not
4294         return into EXP_GEN.
4295         * gcse.c (compute_hash_table_work): Do not elide
4296         marking a block containing a call if the call might not
4297         return.
4298
4299 2019-04-11  Richard Biener  <rguenther@suse.de>
4300
4301         PR tree-optimization/90018
4302         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4303         Test both SLP and interleaving variants.
4304
4305 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4306
4307         * config/s390/8561.md: New file.
4308         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4309         Add arch13 cpu model.
4310         * config/s390/s390-opts.h (enum processor_type): Likewise.
4311         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4312         (s390_get_unit_mask): Likewise.
4313         (s390_is_fpd): Likewise.
4314         (s390_is_fxd): Likewise.
4315         * config/s390/s390.h (s390_tune_attr): Likewise.
4316         * config/s390/s390.md: Include arch13 pipeline description.
4317         * config/s390/s390.opt: Add arch13.
4318
4319 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4320
4321         PR rtl-optimization/87763
4322         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4323         New prototype.
4324         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4325         New function.
4326         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4327         New instruction.
4328         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4329         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4330         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4331         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4332
4333 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4334
4335         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4336         "Although" in -fipa-icf documentation.
4337
4338         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4339         of using multiple -g options.
4340
4341 2019-04-10  Martin Liska  <mliska@suse.cz>
4342
4343         PR gcov-profile/89959
4344         * doc/gcov.texi: Make documentation of -x option
4345         more precise.
4346
4347 2019-04-10  Richard Biener  <rguenther@suse.de>
4348
4349         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4350         member.
4351         (DR_GROUP_SAME_DR_STMT): Remove.
4352         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4353         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4354         replace with assert.
4355         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4356         (vect_record_grouped_load_vectors): Remove unreachable code.
4357
4358 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4359
4360         PR target/90016
4361         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4362         obsolete reference to N.
4363
4364 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4365
4366         PR middle-end/90025
4367         * expr.c (store_expr): Set properly size on the MEM passed to
4368         clear_storage.
4369
4370         PR c++/90010
4371         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4372         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4373         translation is needed, and when translation is needed, only append
4374         ... if the string length is hostsz or more bytes long.  Avoid using
4375         strncpy or strcat.
4376
4377 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4378
4379         PR target/90024
4380         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4381         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4382         into three.
4383         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4384         differences directly.
4385         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4386
4387 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4388
4389         PR translation/90011
4390         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4391         from diagnostics.
4392         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4393         diagnostics.
4394         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4395         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4396         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4397         trailing space from -gsplit-dwarf diagnostics.
4398
4399         PR tree-optimization/89998
4400         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4401         instead of integer_type_node if possible, don't add ranges if return
4402         type is not compatible with int.
4403         * gimple-fold.c (gimple_fold_builtin_sprintf,
4404         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4405         integer_type_node.
4406
4407 2019-04-09  Martin Liska  <mliska@suse.cz>
4408
4409         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4410         * doc/install.texi: Document the new config.
4411
4412 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
4413
4414         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4415         use gimple_expr_type for load and store calls.  Skip over the
4416         condition argument in a conditional internal function.
4417         Protect use of TREE_INT_CST_LOW.
4418
4419 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4420
4421         PR target/90015
4422         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4423         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
4424         trailing period from it too.
4425
4426 2019-04-08  wu yuan  <wuyuan5@huawei.com>
4427
4428         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4429         * config/aarch64/aarch64.md : Add "tsv110.md"
4430         * config/aarch64/tsv110.md: New file.
4431
4432 2019-04-08  Richard Biener  <rguenther@suse.de>
4433
4434         PR tree-optimization/90006
4435         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4436         calls like lrint.
4437
4438 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
4439
4440         PR target/83033
4441         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4442         construction.
4443         (fma_root_node): Likewise.
4444         (func_fma_steering): Likewise.
4445
4446 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
4447
4448         PR rtl-optimization/89865
4449         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4450
4451         PR rtl-optimization/89865
4452         * config/i386/i386.md
4453         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4454         numbers not to clash with the additional operands[4].
4455         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4456         with extra register copy in the middle.
4457
4458 2019-04-08  Martin Liska  <mliska@suse.cz>
4459
4460         PR gcov-profile/89961
4461         * doc/gcov.texi: Document data_file.
4462         * gcov.c (generate_results): Add data_info into JSON output.
4463
4464 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
4465
4466         PR tree-optimization/89725
4467         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
4468         loop's chrec as invariant symbol.
4469         * tree-chrec.h (chrec_contains_symbols): New parameter.
4470         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4471         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4472         function of loops not in DDR's loop_nest.
4473         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4474
4475 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
4476
4477         PR target/89623
4478         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4479         Mask.
4480
4481 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4482
4483         PR target/89945
4484         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4485         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4486
4487 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4488
4489         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4490         targetm.fixed_condition_code_regs.
4491
4492 2019-04-05  Richard Biener  <rguenther@suse.de>
4493
4494         PR debug/89892
4495         PR debug/89905
4496         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4497         debug bind stmts but reset them if they are not valid at the
4498         destination.
4499
4500 2019-04-05  Martin Liska  <mliska@suse.cz>
4501
4502         PR translation/89936
4503         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4504         order to wrap keywords or arguments.
4505         * collect2.c (main): Likewise.
4506         (scan_prog_file): Likewise.
4507         (scan_libraries): Likewise.
4508         * common/config/riscv/riscv-common.c
4509         (riscv_subset_list::parsing_subset_version): Likewise.
4510         (riscv_subset_list::parse_std_ext): Likewise.
4511         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4512         Likewise.
4513         * config/arm/arm.c (arm_option_override): Likewise.
4514         * config/cris/cris.c (cris_print_operand): Likewise.
4515         * config/darwin-c.c (darwin_pragma_options): Likewise.
4516         (darwin_pragma_unused): Likewise.
4517         (darwin_pragma_ms_struct): Likewise.
4518         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4519         * config/i386/i386.c (print_reg): Likewise.
4520         (ix86_print_operand): Likewise.
4521         * config/i386/xm-djgpp.h: Likewise.
4522         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4523         * config/m32c/m32c.c (m32c_option_override): Likewise.
4524         * config/msp430/msp430.c (msp430_option_override): Likewise.
4525         * config/nds32/nds32.c (nds32_option_override): Likewise.
4526         * config/nvptx/mkoffload.c (main): Likewise.
4527         * config/rx/rx.c (rx_print_operand): Likewise.
4528         (valid_psw_flag): Likewise.
4529         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4530         (vms_pragma_nomember_alignment): Likewise.
4531         (vms_pragma_extern_model): Likewise.
4532         * lto-wrapper.c (compile_offload_image): Likewise.
4533         * omp-offload.c (oacc_parse_default_dims): Likewise.
4534         * symtab.c (symtab_node::verify_base): Likewise.
4535         * tlink.c (recompile_files): Likewise.
4536         (start_tweaking): Likewise.
4537         * tree-profile.c (parse_profile_filter): Likewise.
4538
4539 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4540
4541         PR tree-optimization/89956
4542         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4543         multiple negates of the same value.
4544
4545 2019-04-04  Martin Sebor  <msebor@redhat.com>
4546
4547         PR middle-end/89957
4548         PR middle-end/89911
4549         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4550         have the same precision since the function crashes otherwise.
4551         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4552         has non-zero arguments.
4553
4554 2019-04-04  Martin Sebor  <msebor@redhat.com>
4555
4556         PR middle-end/89934
4557         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4558         out if the number of arguments is less than expected.
4559
4560 2019-04-04  Jeff Law  <law@redhat.com>
4561
4562         PR rtl-optimization/89399
4563         * ree.c (combine_set_extension): Use single_set rather than
4564         digging into PATTERN for items on the candidate list.
4565         (combine_reaching_defs): Likewise.
4566
4567 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4568
4569         PR rtl-optimization/46590
4570         * loop-invariant.c (find_defs): Move df_remove_problem and
4571         df_process_deferred_rescans to move_invariants.
4572         Move df_live_add_problem and df_live_set_all_dirty calls
4573         to move_invariants.
4574         (move_invariants): Likewise.
4575         (move_loop_invariants): Likewise, making the df_live calls
4576         conditional on -O.  Remove the problem again if we added it
4577         locally.
4578
4579 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4580
4581         PR tree-optimization/89730
4582         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4583         -flive-patching=inline-only-static.
4584         (can_inline_edge_by_limits_p): Add the checking for
4585         -flive-patching=inline-only-static and grant always_inline
4586         even when -flive-patching=inline-only-static is specified.
4587
4588 2019-04-03  Jeff Law  <law@redhat.com>
4589
4590         PR rtl-optimization/81025
4591         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4592
4593 2019-04-03  Richard Biener  <rguenther@suse.de>
4594
4595         PR tree-optimization/84101
4596         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4597         regs.h for hard_regno_nregs.
4598         (cfun_returns): New helper.
4599         (vect_model_store_cost): When vectorizing a store to a decl
4600         we return and the function ABI returns in a multi-reg location
4601         account for the possible spilling that will happen.
4602
4603 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4604
4605         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4606         displacement addresses for vector mode operands.
4607
4608 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4609
4610         * config/arc/arc.c (GMASK_LEN): Define.
4611         (arc_restore_callee_saves): Restore first blink when
4612         !optimize_size.
4613
4614 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4615
4616         * doc/extend.texi: Add deprecated comment on sign-return-address
4617         function attribute and add mbranch-protection.
4618         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4619
4620 2019-04-03  Richard Biener  <rguenther@suse.de>
4621
4622         PR lto/89896
4623         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4624         the all target phony.
4625
4626 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4627
4628         PR target/89902
4629         PR target/89903
4630         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4631         Return false for variable DImode shifts.
4632         (dimode_scalar_chain::compute_convert_gain): Do not handle
4633         register count operand in variable DImode shifts.
4634         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4635         count argument of a variable shift instruction to a vector register.
4636         (dimode_scalar_chain::convert_reg): Remove support to convert
4637         count argument of a variable shift instruction.
4638
4639 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4640
4641         PR rtl-optimization/84206
4642         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4643         iterating over loop headers.
4644
4645 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4646
4647         PR rtl-optimization/85876
4648         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4649         beyond the original fence.
4650
4651 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4652
4653         * config.gcc: Mark spu* targets as deprecated/obsolete.
4654
4655 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4656
4657         * config/s390/s390-builtin-types.def: New builtin function type
4658         definitions. Remove unused types.
4659         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4660         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4661         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4662         overloaded builtins.
4663         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4664         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4665         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4666         (vec_double, vec_signed, vec_unsigned): Define to use the new
4667         overloaded builtins.
4668         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4669         Remove expanders.
4670
4671 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4672
4673         * config/s390/s390-builtin-types.def: New builtin function type
4674         definitions.
4675         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4676         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4677         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4678         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4679         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4680         constant definitions.
4681         * config/s390/vecintrin.h (vec_search_string_cc)
4682         (vec_search_string_until_zero_cc): New builtin name definitions.
4683         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4684         expanders.
4685         ("vec_vstrs<mode>"): New insn definition.
4686
4687 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4688
4689         * config/s390/s390-builtin-types.def: Add new builtin function
4690         types.
4691         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4692         New overloaded builtins.
4693         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4694         s390_vsrd.
4695         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4696         (UNSPEC_VEC_SLDBYTE): ... this.
4697         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4698         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4699         definitions.
4700         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4701         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4702         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4703
4704 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4705
4706         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4707         New insn definition.
4708         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4709         * config/s390/vector.md (V_HW_HSD): ... here.
4710
4711 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4712
4713         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4714         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4715         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4716         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4717         New insn definitions.
4718
4719 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4720
4721         * config/s390/s390-builtin-types.def: Add new builtin function type.
4722         * config/s390/s390-builtins.def: Add overloaded builtin
4723         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4724         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4725         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4726         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4727         ("eltswap<mode>"): New expander.
4728         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4729         insn definitions.
4730
4731 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4732
4733         * config/s390/s390-builtin-types.def: Add new builtin function types.
4734         * config/s390/s390-builtins.def: Add overloaded builtin
4735         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4736         instructions.
4737         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4738         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4739         ("bswap<mode>"): New expander.
4740         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4741
4742 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4743
4744         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4745         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4746         vector builtin version number in __VEC__.
4747
4748 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4749
4750         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4751         iterators.
4752         (SFSI): New mode attribute.
4753         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4754         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4755         rename to ...
4756         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4757         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4758         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4759         ("floatsi<mode>2"): Add wcefb instruction.
4760
4761 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4762
4763         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4764         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4765         mode iterators.
4766         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4767         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4768         support 32 bit fp-int conversions. Rename to ...
4769         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4770         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4771         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4772         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4773         ... to these.
4774
4775 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4776
4777         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4778         if-then-else constructs if we can use the select instruction.
4779         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4780
4781 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4782
4783         * config/s390/s390.md ("*popcountdi_arch13_cc")
4784         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4785         definition.
4786         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4787         Append _z196 to make it ...
4788         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4789         ("popcounthi2_z196"): ... this.
4790         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4791         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4792
4793 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4794
4795         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4796         certain compares for arch13 in order to make use of the condition
4797         code result produced by the new instructions.
4798         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4799         nxrk, and nxgrk instruction patterns.
4800         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4801         (inv_no): Add new code iterator together with some attributes.
4802         ("*andc_split_<mode>"): Disable splitter for arch13.
4803         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4804         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4805         ("*<ANDOR:bitops_name>c<GPR:mode>")
4806         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4807         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4808         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4809         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4810
4811 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4812
4813         * common/config/s390/s390-common.c (processor_flags_table): New
4814         entry for arch13.
4815         * config.gcc: Support arch13 with the --with-arch= configure flag.
4816         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4817         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4818         * config/s390/s390.c (s390_get_sched_attrmask)
4819         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4820         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4821         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4822         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4823         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4824         definitions.
4825         * config/s390/s390.opt: Support arch13 as processor type in
4826         command line options.
4827
4828 2019-04-02  Martin Liska  <mliska@suse.cz>
4829
4830         PR translation/89912
4831         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4832         Fix param description of graphite-max-arrays-per-scop.
4833
4834 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4835
4836         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4837         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4838         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4839
4840 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4841
4842         PR rtl-optimization/85412
4843         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4844         sel_sched_region_1, not after.
4845
4846 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4847
4848         PR rtl-optimization/86928
4849         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4850         compute_live if necessary.
4851         (sel_redirect_edge_and_branch): Likewise.
4852
4853 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4854
4855         PR rtl-optimization/89865
4856         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4857         register if it is a part of small class.
4858
4859 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4860
4861         PR rtl-optimization/87273
4862         * sel-sched-ir.c (merge_fences): Remove assert.
4863
4864 2019-04-01  Richard Biener  <rguenther@suse.de>
4865
4866         PR tree-optimization/46590
4867         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4868         (dom_walker::m_reachability): Add in place of...
4869         (dom_walker::m_skip_unreachable_blocks): ...this.
4870         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4871         Move complex initialization ...
4872         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4873         lazily and initialize edge flags on each invocation.
4874         (dom_walker::bb_reachable): Use m_reachability.
4875
4876 2019-04-01  Martin Liska  <mliska@suse.cz>
4877
4878         PR driver/89861
4879         * opt-suggestions.c (option_proposer::build_option_suggestions):
4880         Add variant without any argument in order to provide better
4881         hints.
4882
4883 2019-04-01  Richard Biener  <rguenther@suse.de>
4884
4885         PR c/71598
4886         * gimple.c: Include langhooks.h.
4887         (gimple_get_alias_set): Treat enumeral types as the underlying
4888         integer type.
4889
4890 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4891             Eric Botcazou  <ebotcazou@adacore.com>
4892
4893         PR rtl-optimization/89862
4894         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4895         that operates on the full registers for WORD_REGISTER_OPERATIONS
4896         architectures.
4897
4898 2019-03-29  Jim Wilson  <jimw@sifive.com>
4899
4900         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4901         Clear MASK_RVC and then set if C subset supported.
4902
4903 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4904
4905         PR c/89872
4906         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4907         non-addressable complit into its initializer if it is volatile.
4908
4909 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4910
4911         * opts-common.c (integral_argument): Set errno properly in one case.
4912
4913 2019-03-29  Martin Liska  <mliska@suse.cz>
4914
4915         * doc/invoke.texi: Remove -Wchkp from documentation.
4916
4917 2019-03-29  Martin Liska  <mliska@suse.cz>
4918
4919         * dbgcnt.c (print_limit_reach): New function.
4920         (dbg_cnt): Use it.
4921
4922 2019-03-29  Martin Liska  <mliska@suse.cz>
4923
4924         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4925         (dbg_cnt_process_opt): Parse first tokens aas
4926         dbg_cnt_process_single_pair is also using strtok.
4927
4928 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4929
4930         PR rtl-optimization/87485
4931         * function.c (expand_function_end): Move stack_protect_epilogue
4932         before loading of return value into hard register(s).
4933
4934 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4935
4936         PR middle-end/89621
4937         * tree-inline.h (struct copy_body_data): Add
4938         dont_remap_vla_if_no_change flag.
4939         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4940         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4941         and remap_type_2 returns false.
4942         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4943         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4944         only from where it is copied to nested contexts.
4945
4946 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4947
4948         PR target/89865
4949         * config/i386/i386.md (RMW operation with LEA peephole):
4950         Use LEAMODE mode attribute instead of SWI mode iterator for
4951         LEA pattern.
4952
4953 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4954
4955         PR target/89848
4956         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4957         Also process XEXP (src, 0) of a shift insn.
4958
4959 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4960
4961         PR middle-end/89725
4962         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4963         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4964
4965 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4966
4967         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4968         test.
4969         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4970         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4971         immediately after first one with df_analyze in between, but rather
4972         process all bbs, queueing ones that need second pass in a worklist,
4973         df_analyze, process queued debug insn changes and if second pass is
4974         needed, process bbs from worklist, df_analyze, process queued debug
4975         insns again.
4976
4977         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4978         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4979         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4980
4981 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4982
4983         PR c/79022
4984         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4985         definition.
4986
4987 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4988
4989         PR target/85667
4990         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4991         function for 32-bit MS_ABI.
4992         (function_value_ms_32): New function.
4993
4994 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4995
4996         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4997         (movdi): Call gen_movdi_symbol_save_scc.
4998         (gen_movdi_symbol_save_scc): New insn and split.
4999
5000 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5001
5002         PR rtl-optimization/89313
5003         * function.c (matching_constraint_num): New static function.
5004         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5005         Don't replace inputs with non-matching constraints which conflict
5006         with early clobber outputs.
5007
5008 2019-03-27  Jeff Law  <law@redhat.com>
5009
5010
5011         PR rtl-optimization/87761
5012         PR rtl-optimization/89826
5013         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5014         slightly later.
5015         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5016         note problem to get REG_DEAD/REG_UNUSED notes updated.
5017
5018 2019-03-27  Richard Biener  <rguenther@suse.de>
5019
5020         PR tree-optimization/89463
5021         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5022         queue edges to remove.
5023         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5024         dead stmts.  Delay edge removal until PHIs are removed to
5025         make debug-stmt creation not confused by seemingly degenerate
5026         PHIs.
5027
5028 2019-03-27  Alan Modra  <amodra@gmail.com>
5029
5030         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5031         throughout file.
5032         * config/rs6000/darwin.h: Likewise.
5033         * config/rs6000/rs6000.c: Likewise.
5034
5035 2019-03-27  Alan Modra  <amodra@gmail.com>
5036
5037         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5038         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5039
5040 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5041             Jim Wilson  <jimw@sifive.com>
5042
5043         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5044         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5045         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5046         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5047         (generic_alu): Add auipc to type list.
5048         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5049         (riscv_microarchitecture): Declare.
5050         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5051         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5052         field.
5053         (riscv_microarchitecture): New.
5054         (sifive_7_tune_info): New.
5055         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5056         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5057         entries.
5058         (riscv_store_data_bypass_p): New.
5059         (riscv_option_override): Set riscv_microarchitecture from
5060         cpu->microarchitecture.
5061         * config/riscv/riscv.md: Include sifive-7.md.
5062         (type): Add auipc.
5063         (tune): New.
5064         (auipc<mode>): Change type to auipc.
5065         (restore_stack_nonlocal): New.
5066         * config/riscv/sifive-7.md: New.
5067         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5068
5069 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5070
5071         PR target/89827
5072         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5073         Also process XEXP (src, 0) of a shift insn.
5074
5075 2019-03-26  Richard Biener  <rguenther@suse.de>
5076
5077         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5078         (copy_debug_stmt): Likewise.
5079         (expand_call_inline): Likewise.
5080         (copy_bb): Avoid redundant lookup & set of gimple_block.
5081         * gimple-low.c (lower_gimple_return): Likewise.
5082         (lower_builtin_setjmp): Likewise.
5083
5084 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5085
5086         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5087         is constant 0, turn into static const data member initialized to false.
5088         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5089         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5090
5091 2019-03-26  Jason Merrill  <jason@redhat.com>
5092             Jakub Jelinek  <jakub@redhat.com>
5093
5094         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5095         method.
5096         (mem_alloc_description::release_object_overhead): Fix comment typos.
5097         * hash-table.h (hash_table::~hash_table): Call
5098         release_instance_overhead only if m_entries is non-NULL, otherwise
5099         call unregister_descriptor.
5100
5101 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5102
5103         PR tree-optimization/81740
5104         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5105         In case of outer loop vectorization, check for backward dependence
5106         at the inner loop if outer loop dependence is reversed.
5107
5108 2019-03-26  Alan Modra  <amodra@gmail.com>
5109
5110         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5111         rs6000_vector_mem init.  Correct wI and wJ comment.
5112
5113 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5114
5115         PR rtl-optimization/88347
5116         PR rtl-optimization/88423
5117         * sched-deps.c (sched_analyze_insn): Take into account that for
5118         tablejumps the barrier appears after a label and a jump_table_data.
5119
5120 2019-03-25  Martin Sebor  <msebor@redhat.com>
5121
5122         PR c/89812
5123         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5124         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5125         convert it to UHWI when it fits.
5126
5127 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5128
5129         PR debug/86964
5130         * dwarf2out.c (premark_used_variables): New function.
5131         (prune_unused_types_walk): Do not mark not premarked external
5132         variables.
5133         (prune_unused_types): Call premark_used_variables.
5134
5135 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5136
5137         PR rtl-optimization/89676
5138         * lra-constraints.c (curr_insn_transform): Do match reload for
5139         early clobbers when the match was successful only for different
5140         registers.
5141
5142 2019-03-25  Martin Sebor  <msebor@redhat.com>
5143
5144         * doc/extend.texi (Common Type Attributes): Document vector_size.
5145         (Common Variable Attributes): Mention size constraint.  Correct
5146         quoting and typos.
5147         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5148         base type and size constraints.
5149
5150 2019-03-25  Richard Biener  <rguenther@suse.de>
5151
5152         PR tree-optimization/89789
5153         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5154         changes from non-undefined back to undefined.
5155
5156 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5157
5158         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5159         heap string and a gc string, but since this variable is unknown to
5160         ggc the gc string might get reused and corrupted. Fixed by always
5161         using a heap string.
5162
5163 2019-03-25  Richard Biener  <rguenther@suse.de>
5164
5165         PR tree-optimization/89779
5166         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5167         to remove IV defs, delay actual removal.
5168         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5169         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5170         very end, properly also reset loop control IV information.
5171
5172 2019-03-25  Richard Biener  <rguenther@suse.de>
5173
5174         PR tree-optimization/89802
5175         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5176         move EH data to folded stmt.
5177
5178 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5179
5180         * config/s390/s390-builtin-types.def: Remove few unused types and
5181         fix sort order for others.
5182
5183 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5184
5185         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5186         expected and found types with -mdebug during builtin matching.
5187
5188 2019-03-25  Richard Biener  <rguenther@suse.de>
5189
5190         PR middle-end/89790
5191         * fold-const.c (operand_equal_p): Revert last change with
5192         updated comment.
5193
5194 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5195
5196         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5197         notes for the result of the __tls_get_addr calls.
5198         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5199
5200 2019-03-24  Jeff Law  <law@redhat.com>
5201
5202         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5203
5204         PR rtl-optimization/87761
5205         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5206         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5207         as needed.
5208         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5209         rescans.  Reprocess blocks as needed, calling df_analyze before
5210         reprocessing.  Always call df_analyze before fixing up debug bind
5211         insns.
5212
5213 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5214
5215         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5216         big endian.
5217
5218 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5219
5220         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5221         attrribute for uxtw.
5222
5223 2019-03-26  Jeff Law  <law@redhat.com>
5224
5225         PR rtl-optimization/87761
5226         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5227         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5228         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5229         into the next instruction.
5230         (mips_split_move_insn): Pass INSN through to mips_split_move.
5231
5232 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5233
5234         PR rtl-optimization/89676
5235         * lra-constraints.c (curr_insn_transform): Do match reload for
5236         early clobbers even if the match was successful.
5237
5238 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5239
5240         PR c++/87481
5241         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5242
5243 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5244
5245         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5246
5247 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5248
5249         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5250         <avx512>_fmsub_<mode>_mask3<round_name>,
5251         <avx512>_fnmadd_<mode>_mask3<round_name>,
5252         <avx512>_fnmsub_<mode>_mask3<round_name>,
5253         avx512f_vmfmadd_<mode>_mask3<round_name>,
5254         avx512f_vmfmsub_<mode>_mask3<round_name>,
5255         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5256         instead of register_operand and %v instead of v for match_operand 1.
5257         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5258         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5259         <round_nimm_predicate> instead of register_operand and %v instead of v
5260         for match_operand 1.
5261
5262         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5263         <avx512>_fmadd_<mode>_mask3<round_name>,
5264         <avx512>_fmsub_<mode>_mask<round_name>,
5265         <avx512>_fmsub_<mode>_mask3<round_name>,
5266         <avx512>_fnmadd_<mode>_mask<round_name>,
5267         <avx512>_fnmadd_<mode>_mask3<round_name>,
5268         <avx512>_fnmsub_<mode>_mask<round_name>,
5269         <avx512>_fnmsub_<mode>_mask3<round_name>,
5270         <avx512>_fmaddsub_<mode>_mask<round_name>,
5271         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5272         <avx512>_fmsubadd_<mode>_mask<round_name>,
5273         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5274         <round_nimm_predicate> instead of nonimmediate_operand.
5275         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5276         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5277         Use register_operand instead of <round_nimm_predicate> for the
5278         operand that needs to match output.
5279         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5280         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5281         Likewise.  Formatting fixes.
5282
5283         PR target/89784
5284         * config/i386/i386.c (enum ix86_builtins): Remove
5285         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5286         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5287         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5288         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5289         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5290         __builtin_ia32_vfmsubss3_mask3): New builtins.
5291         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5292         avx512f_vmfmadd_<mode>_mask3<round_name>,
5293         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5294         *avx512f_vmfmsub_<mode>_mask<round_name>,
5295         avx512f_vmfmsub_<mode>_mask3<round_name>,
5296         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5297         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5298         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5299         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5300         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5301         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5302         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5303         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5304         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5305         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5306         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5307         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5308         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5309         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5310         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5311         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5312         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5313         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5314         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5315         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5316         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5317         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5318         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5319         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5320         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5321         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5322         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5323         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5324
5325 2019-03-21  Martin Sebor  <msebor@redhat.com>
5326
5327         PR tree-optimization/89350
5328         * builtins.c (compute_objsize): Also ignore offsets whose upper
5329         bound is negative.
5330         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5331         (builtin_memref::builtin_memref): Initialize new member.
5332         Allow EXPR to be null.
5333         (builtin_memref::extend_offset_range): Replace local with a member.
5334         Avoid assuming pointer offsets are unsigned.
5335         (builtin_memref::set_base_and_offset): Determine base object
5336         before computing offset range.
5337         (builtin_access::builtin_access): Handle memset.
5338         (builtin_access::generic_overlap): Replace local with a member.
5339         (builtin_access::strcat_overlap): Same.
5340         (builtin_access::overlap): Same.
5341         (maybe_diag_overlap): Same.
5342         (maybe_diag_access_bounds): Same.
5343         (wrestrict_dom_walker::check_call): Handle memset.
5344         (check_bounds_or_overlap): Same.
5345
5346 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5347             Jakub Jelinek  <jakub@redhat.com>
5348
5349         PR lto/89692
5350         * tree.c (fld_type_variant, fld_incomplete_type_of,
5351         fld_process_array_type): Call fld->pset.add and don't call
5352         add_tree_to_fld_list if it returns true.
5353         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5354         non-marked types from TYPE_NEXT_VARIANT list.
5355         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5356
5357 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5358
5359         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5360         to false, if true, don't alloc_entries during construction, but defer
5361         it to the first method that needs m_entries allocated.
5362         (hash_table::hash_table, hash_table::~hash_table,
5363         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5364         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5365         hash_table::clear_slot, hash_table::traverse_noresize,
5366         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5367         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5368         false.
5369         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5370         NO_INSERT instead of find_with_hash.
5371         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5372         hash_set::m_table): Add Lazy to template params of hash_table.
5373         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5374         * attribs.c (test_attribute_exclusions): Likewise.
5375         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5376         hash_set.  Add tests for hash_set with Lazy = true.
5377
5378 2019-03-21  Richard Biener  <rguenther@suse.de>
5379
5380         PR tree-optimization/89779
5381         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5382         checks with respect to released SSA names now having error_mark_node
5383         type.
5384         * fold-const.c (operand_equal_p): Likewise.
5385
5386 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5387
5388         PR target/89775
5389         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5390         available to ...
5391         (s390_optimize_register_info): Use global_not_special_regno_p to
5392         check for global regs.
5393
5394 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5395
5396         PR target/89752
5397         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5398         update this_alternative nor this_alternative_set.
5399
5400 2019-03-19  Jim Wilson  <jimw@sifive.com>
5401
5402         PR target/89411
5403         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
5404         align, size, offset.  Use them to handle a BLKmode reference.  Update
5405         comment.
5406         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5407
5408 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5409
5410         PR rtl-optimization/89768
5411         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5412         instead of GEN_INT.
5413         (unroll_loop_runtime_iterations): Likewise.
5414
5415 2019-03-19  Martin Sebor  <msebor@redhat.com>
5416
5417         PR tree-optimization/89644
5418         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5419         rather than endptr as an indicator of nul-termination.
5420
5421         PR tree-optimization/89644
5422         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5423         arrays in determining sequence sizes in strncpy and stpncpy.
5424
5425 2019-03-19  Martin Liska  <mliska@suse.cz>
5426
5427         PR middle-end/89737
5428         * predict.c (combine_predictions_for_bb): Empty likely_edges and
5429         unlikely_edges if there's an edge that belongs to both these sets.
5430
5431 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
5432
5433         PR target/89746
5434         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5435         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5436         go via a stack temporary.
5437
5438 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5439
5440         PR target/89378
5441         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5442         instead of gen_rtx_SUBREG.
5443         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5444
5445 2019-03-19  Richard Biener  <rguenther@suse.de>
5446
5447         PR debug/88389
5448         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5449
5450 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
5451
5452         PR lto/87809
5453         PR lto/89335
5454         * tree.c (free_lang_data_in_decl): Do not free context of C++
5455         destrutors.
5456
5457 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5458
5459         PR target/89506
5460         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5461         subs for the first alternative except when operands[3] is 1.
5462
5463         PR target/89752
5464         * gimplify.c (gimplify_asm_expr): For output argument with
5465         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5466         diagnose error.
5467
5468 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
5469
5470         PR rtl-optimization/89753
5471         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5472         explicit unrolling factor even more robust.
5473
5474 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5475
5476         PR target/89726
5477         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5478         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5479         signed zeros, do another copysign after the compensation.
5480
5481 2019-03-18  Martin Sebor  <msebor@redhat.com>
5482
5483         PR tree-optimization/89720
5484         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5485         more conservatively, the same as anti-range.
5486
5487 2019-03-18  Richard Biener  <rguenther@suse.de>
5488
5489         PR middle-end/88945
5490         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5491         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5492         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5493         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5494
5495 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5496
5497         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5498         Extend queue to 1024 entries.
5499         Add "consumed" field.
5500         (gomp_print_output): Remove print_index parameter.
5501         Add final parameter.
5502         Change limit to unsigned.
5503         Use consumed field to implement circular buffer.
5504         Detect interrupted print in final pass.
5505         Flush output at the end.
5506         (run): Update gomp_print_output usage.
5507         (main): Initialize kernargs->output_data.consumed.
5508
5509 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5510
5511         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5512         calculation of the minimum number of scalar iterations for
5513         fully-predicated loops.
5514
5515 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5516
5517         PR tree-optimization/89546
5518         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5519         any propagation to its children took place.
5520
5521 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5522
5523         PR target/89627
5524         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5525         parameter, and make use of it.
5526         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5527
5528 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5529
5530         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5531         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5532         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5533         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5534         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5535         match what the ops is doing.
5536         (push_multi_fp_blink): Likewise.
5537         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5538         compiling for size and elf target.
5539         (arc_save_callee_enter): Adjust note to match what enter/leave
5540         operation does.
5541
5542 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5543
5544         * config/arc/arc.md (tst_movb): Fix constraint.
5545
5546 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5547
5548         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5549
5550 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5551
5552         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5553         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5554         reg_alloc_order references.
5555         (size_alloc_order): Define.
5556         (arc_adjust_reg_alloc_order): New function.
5557         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5558         order.
5559         (ADJUST_REG_ALLOC_ORDER): Define.
5560         (HONOR_REG_ALLOC_ORDER): Likewise.
5561
5562 2019-03-18  Richard Biener  <rguenther@suse.de>
5563
5564         PR target/87561
5565         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5566         loads and stores a bit more.
5567
5568 2019-03-18  Richard Biener  <rguenther@suse.de>
5569
5570         PR target/87561
5571         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5572         load pessimization to stores as well.
5573
5574 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5575
5576         PR middle-end/86979
5577         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5578         successor, use NULL as its av set.
5579
5580 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5581
5582         PR rtl-optimization/89721
5583         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5584
5585 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5586
5587         PR target/87532
5588         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5589         When handling vec_extract, use modular arithmetic to allow
5590         constant selectors greater than vector length.
5591         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5592         V1TImode vectors to have constant selector values greater than 0.
5593         Use modular arithmetic to compute vector index.
5594         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5595         index for in-memory vectors.  Correct code generation for
5596         in-register vectors.
5597         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5598         compute index.
5599
5600 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5601
5602         PR c++/88534
5603         PR c++/88537
5604         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5605         VAR_DECL args.
5606
5607 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5608
5609         PR c++/89709
5610         * tree.c (inchash::add_expr): Strip any location wrappers.
5611         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5612         after hash verification.
5613
5614         PR debug/89704
5615         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5616         SIGN_EXTEND and ZERO_EXTEND.
5617
5618 2019-03-14  Jason Merrill  <jason@redhat.com>
5619             Jakub Jelinek  <jakub@redhat.com>
5620
5621         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5622         than if is_empty (*slot).
5623         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5624         existing elt and for elt removal.
5625         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5626         of already removed elt.
5627
5628 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5629
5630         PR target/89650
5631         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5632         REG_EH_REGION note.
5633
5634 2019-03-14  Martin Liska  <mliska@suse.cz>
5635
5636         PR other/89712
5637         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5638
5639 2019-03-14  Richard Biener  <rguenther@suse.de>
5640
5641         PR target/89711
5642         * config/i386/i386.c (make_resolver_func): Properly set
5643         DECL_CONTEXT on the RESULT_DECL.
5644         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5645
5646 2019-03-14  Richard Biener  <rguenther@suse.de>
5647
5648         * gimple-pretty-print.c: Include cfgloop.h.
5649         (dump_gimple_phi): Adjust.
5650         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5651         (pp_cfg_jump): Adjust.
5652         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5653         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5654         (lower_phi_internal_fn): Remove.
5655         (verify_gimple_call): Remove IFN_PHI special-casing.
5656         (dump_function_to_file): Dump IL state.
5657         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5658         done to deal with PHI nodes being present in non-SSA state.
5659
5660 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5661
5662         PR ipa/89684
5663         * multiple_target.c (create_dispatcher_calls): Change
5664         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5665         In the node->iterate_referring loop, push *ref rather than ref, call
5666         ref->remove_reference () and always pass 0 to iterate_referring.
5667
5668         PR rtl-optimization/89679
5669         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5670         would contain a paradoxical SUBREG.
5671
5672 2019-03-14  Richard Biener  <rguenther@suse.de>
5673
5674         PR tree-optimization/89710
5675         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5676         safe_dyn_cast.
5677
5678 2019-03-14  Martin Liska  <mliska@suse.cz>
5679
5680         * coverage.c (coverage_begin_function): Stream also
5681         end_column.
5682         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5683         documentation about function declaration location.
5684         * gcov-dump.c (tag_function): Print whole range
5685         of function declaration.
5686         * gcov.c (struct function_info): Add end_column field.
5687         (function_info::function_info): Initialize it.
5688         (output_json_intermediate_file): Output {start,end}_column
5689         fields.
5690         (read_graph_file): Read end_column.
5691
5692 2019-03-14  Richard Biener  <rguenther@suse.de>
5693
5694         PR middle-end/89698
5695         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5696         that the access types are similar.
5697
5698 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5699
5700         PR tree-optimization/89703
5701         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5702         aren't compatible also with builtin_decl_explicit.  Check pure
5703         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5704         and BUILT_IN_STPNCPY{,_CHK}.
5705
5706 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5707
5708         PR target/89523
5709         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5710         addr32 prefix to VSIB address for X32.
5711         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5712         "%M2" to opcode.
5713         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5714         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5715         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5716         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5717         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5718         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5719         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5720         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5721         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5722         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5723         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5724         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5725         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5726         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5727         (*avx512f_scatterdi<mode>): Likewise.
5728
5729 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5730
5731         PR target/85860
5732         * lra-constraints.c (inherit_in_ebb): Update
5733         potential_reload_hard_regs along with live_hard_regs.
5734
5735 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5736
5737         PR debug/89498
5738         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5739         DWARF_OFFSET_SIZE.
5740         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5741
5742 2019-03-13  Martin Sebor  <msebor@redhat.com>
5743
5744         PR tree-optimization/89662
5745         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5746         has a size.
5747
5748 2019-03-13  Richard Biener  <rguenther@suse.de>
5749
5750         PR middle-end/89677
5751         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5752         throw FP expressions at tree-affine.
5753
5754 2019-03-14  Richard Biener  <rguenther@suse.de>
5755
5756         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5757         dump negative integer constants using _Literal (type) -num.
5758
5759 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5760
5761         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5762         nonlocal_value member.
5763
5764         PR middle-end/88588
5765         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5766         (ipa_simd_modify_function_body): Handle PHIs.
5767
5768 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5769
5770         * config/s390/s390.c (s390_option_override_internal): Use more
5771         aggressive inlining parameters.
5772
5773 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5774
5775         * config/s390/3906.md: New file.
5776         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5777         (LONGRUNNING_THRESHOLD): Remove.
5778         (MAX_SCHED_MIX_SCORE): Decrease.
5779         (MAX_SCHED_MIX_DISTANCE): Decrease.
5780         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5781         (struct s390_sched_state): New struct to hold scheduling state.
5782         (S390_SCHED_STATE_NORMAL): Remove.
5783         (S390_SCHED_STATE_CRACKED): Remove.
5784         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5785         (s390_get_sched_attrmask): Use new attribute.
5786         (s390_get_unit_mask): Use new units.
5787         (s390_is_fpd): New function.
5788         (s390_is_fxd): New function.
5789         (s390_is_longrunning): New function.
5790         (s390_sched_score): Use new functions.
5791         (s390_sched_reorder): Likewise.
5792         (s390_sched_variable_issue): Rework and use new functions.
5793         (s390_sched_init): Use new functions.
5794         * config/s390/s390.h (s390_tune_attr):  Add z14.
5795         * config/s390/s390.md: Add z14.
5796
5797 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5798
5799         * config/s390/2964.md: Update pipeline description.
5800         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5801         (LONGRUNNING_THRESHOLD): Remove.
5802         (LATENCY_FACTOR): Remove.
5803         (s390_get_unit_mask): Add unit.
5804         (s390_sched_score): Use fxd/fpd.
5805         (s390_sched_variable_issue): Use fxd/fpd.
5806
5807 2019-03-12  Martin Liska  <mliska@suse.cz>
5808
5809         * config/i386/i386.c: Reword an error message.
5810
5811 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5812
5813         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5814         terminate with newline.
5815
5816 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5817
5818         PR target/52726
5819         * config/s390/s390.md (tabort): Use %wd instead of
5820         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5821         letters and periods.
5822         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5823         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5824         's with %< and %>.
5825
5826         PR middle-end/89663
5827         * builtins.c (expand_builtin_int_roundingfn,
5828         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5829         gcc_unreachable if validate_arglist fails.
5830
5831 2019-03-12  Richard Biener  <rguenther@suse.de>
5832
5833         PR tree-optimization/89664
5834         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5835         free the occurance tree after the early out.
5836
5837 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5838
5839         PR middle-end/89655
5840         PR bootstrap/89656
5841         * vr-values.c (vr_values::update_value_range): If
5842         old_vr->varying_p (), don't update it, make new_vr also VARYING
5843         and return false.
5844
5845 2019-03-11  Martin Liska  <mliska@suse.cz>
5846
5847         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5848         Fix double string quoting.
5849
5850 2019-03-11  Martin Liska  <mliska@suse.cz>
5851
5852         * collect-utils.c (collect_wait): Wrap apostrophes
5853         in gcc internal format with %'.
5854         * collect2.c (main): Likewise.
5855         (scan_prog_file): Likewise.
5856         (scan_libraries): Likewise.
5857         * config/i386/i386.c (ix86_expand_call): Likewise.
5858         (ix86_handle_interrupt_attribute): Likewise.
5859         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5860         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5861         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5862         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5863         * symtab.c (symtab_node::verify_base): Likewise.
5864         * tree-cfg.c (verify_gimple_label): Likewise.
5865         * tree.c (verify_type_variant): Likewise.
5866
5867 2019-03-11  Martin Liska  <mliska@suse.cz>
5868
5869         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5870         in a string format message and fix GNU coding style.
5871         (expand_builtin_set_thread_pointer): Likewise.
5872         * common/config/aarch64/aarch64-common.c
5873         (aarch64_rewrite_selected_cpu): Likewise.
5874         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5875         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5876         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5877         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5878         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5879         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5880         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5881         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5882         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5883         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5884         Likewise.
5885         * common/config/riscv/riscv-common.c
5886         (riscv_subset_list::parsing_subset_version): Likewise.
5887         (riscv_subset_list::parse_std_ext): Likewise.
5888         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5889         (riscv_subset_list::parse): Likewise.
5890         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5891         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5892         (aarch64_override_options_internal): Likewise.
5893         (aarch64_validate_mcpu): Likewise.
5894         (aarch64_validate_march): Likewise.
5895         (aarch64_validate_mtune): Likewise.
5896         (aarch64_override_options): Likewise.
5897         * config/alpha/alpha.c (alpha_option_override): Likewise.
5898         * config/arc/arc.c (arc_init): Likewise.
5899         (parse_mrgf_banked_regs_option): Likewise.
5900         (arc_override_options): Likewise.
5901         (arc_expand_builtin_aligned): Likewise.
5902         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5903         (arm_expand_builtin): Likewise.
5904         * config/arm/arm.c (arm_option_check_internal): Likewise.
5905         (arm_configure_build_target): Likewise.
5906         (arm_option_override): Likewise.
5907         (arm_options_perform_arch_sanity_checks): Likewise.
5908         (arm_handle_cmse_nonsecure_entry): Likewise.
5909         (arm_handle_cmse_nonsecure_call): Likewise.
5910         (arm_tls_referenced_p): Likewise.
5911         (thumb1_expand_prologue): Likewise.
5912         * config/avr/avr.c (avr_option_override): Likewise.
5913         * config/bfin/bfin.c (bfin_option_override): Likewise.
5914         * config/c6x/c6x.c (c6x_option_override): Likewise.
5915         * config/cr16/cr16.c (cr16_override_options): Likewise.
5916         * config/cris/cris.c (cris_option_override): Likewise.
5917         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5918         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5919         * config/darwin.c (darwin_override_options): Likewise.
5920         * config/frv/frv.c (frv_expand_builtin): Likewise.
5921         * config/h8300/h8300.c (h8300_option_override): Likewise.
5922         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5923         (ix86_option_override_internal): Likewise.
5924         (warn_once_call_ms2sysv_xlogues): Likewise.
5925         (ix86_expand_prologue): Likewise.
5926         (split_stack_prologue_scratch_regno): Likewise.
5927         (ix86_warn_parameter_passing_abi): Likewise.
5928         * config/ia64/ia64.c (fix_range): Likewise.
5929         * config/m68k/m68k.c (m68k_option_override): Likewise.
5930         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5931         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5932         (mips_set_compression_mode): Likewise.
5933         * config/mmix/mmix.c (mmix_option_override): Likewise.
5934         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5935         * config/msp430/msp430.c (msp430_option_override): Likewise.
5936         * config/nds32/nds32.c (nds32_option_override): Likewise.
5937         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5938         (nios2_option_override): Likewise.
5939         (nios2_expand_custom_builtin): Likewise.
5940         * config/nvptx/mkoffload.c (main): Likewise.
5941         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5942         * config/pa/pa.c (fix_range): Likewise.
5943         (pa_option_override): Likewise.
5944         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5945         (riscv_option_override): Likewise.
5946         * config/rl78/rl78.c (rl78_option_override): Likewise.
5947         * config/rs6000/aix61.h: Likewise.
5948         * config/rs6000/aix71.h: Likewise.
5949         * config/rs6000/aix72.h: Likewise.
5950         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5951         * config/rs6000/freebsd64.h: Likewise.
5952         * config/rs6000/linux64.h: Likewise.
5953         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5954         (rs6000_expand_zeroop_builtin): Likewise.
5955         (rs6000_expand_mtfsb_builtin): Likewise.
5956         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5957         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5958         (rs6000_invalid_builtin): Likewise.
5959         (rs6000_expand_split_stack_prologue): Likewise.
5960         * config/rs6000/rtems.h: Likewise.
5961         * config/rx/rx.c (valid_psw_flag): Likewise.
5962         (rx_expand_builtin): Likewise.
5963         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5964         * config/s390/s390.c (s390_expand_builtin): Likewise.
5965         (s390_function_profiler): Likewise.
5966         (s390_option_override_internal): Likewise.
5967         (s390_option_override): Likewise.
5968         * config/sh/sh.c (sh_option_override): Likewise.
5969         (sh_builtin_saveregs): Likewise.
5970         (sh_fix_range): Likewise.
5971         * config/sh/vxworks.h: Likewise.
5972         * config/sparc/sparc.c (sparc_option_override): Likewise.
5973         * config/spu/spu.c (spu_option_override): Likewise.
5974         (fix_range): Likewise.
5975         * config/visium/visium.c (visium_option_override): Likewise.
5976         (visium_handle_interrupt_attr): Likewise.
5977         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5978         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5979         (dbg_cnt_process_opt): Likewise.
5980         * dwarf2out.c (output_dwarf_version): Likewise.
5981         * except.c (expand_eh_return): Likewise.
5982         * gcc.c (defined): Likewise.
5983         (driver_handle_option): Likewise.
5984         (process_command): Likewise.
5985         (compare_files): Likewise.
5986         (driver::prepare_infiles): Likewise.
5987         (driver::do_spec_on_infiles): Likewise.
5988         (driver::maybe_run_linker): Likewise.
5989         * omp-offload.c (oacc_parse_default_dims): Likewise.
5990         * opts-global.c (handle_common_deferred_options): Likewise.
5991         * opts.c (parse_sanitizer_options): Likewise.
5992         (common_handle_option): Likewise.
5993         (enable_warning_as_error): Likewise.
5994         * passes.c (enable_disable_pass): Likewise.
5995         * plugin.c (parse_plugin_arg_opt): Likewise.
5996         (default_plugin_dir_name): Likewise.
5997         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5998         (default_pch_valid_p): Likewise.
5999         * toplev.c (init_asm_output): Likewise.
6000         (process_options): Likewise.
6001         (toplev::run_self_tests): Likewise.
6002         * tree-cfg.c (verify_gimple_call): Likewise.
6003         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6004         (tree_inlinable_function_p): Likewise.
6005         * var-tracking.c (vt_find_locations): Likewise.
6006
6007 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6008
6009         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6010         only on the else branch.
6011
6012 2019-03-11  Martin Liska  <mliska@suse.cz>
6013
6014         * gcov.c (output_intermediate_json_line): Print function
6015         name of each line.
6016         (output_json_intermediate_file): Add new argument.
6017         * doc/gcov.texi: Document the change.
6018
6019 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6020
6021         PR rtl-optimization/89588
6022         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6023         explicit unrolling factor more robust.
6024
6025 2019-03-11  Richard Biener  <rguenther@suse.de>
6026
6027         PR tree-optimization/89649
6028         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6029         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6030         on the prolog and epilog loops.
6031         (vect_loop_versioning): Return copy of loop.
6032         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6033         on the non-vectorized version of the loop.
6034
6035 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6036
6037         PR target/68924
6038         * config/i386/sse.md (*vec_extractv2di_0_sse):
6039         Add (=r,x) alternative and corresponding splitter.
6040
6041 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6042
6043         PR tree-optimization/85762
6044         PR tree-optimization/87008
6045         PR tree-optimization/85459
6046         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6047         it points to if there is a type changing MEM_REF.  Adjust all callers.
6048         (build_accesses_from_assign): Disable total scalarization if
6049         contains_vce_or_bfcref_p returns true through the new parameter, for
6050         both rhs and lhs.
6051
6052 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6053
6054         PR c/88568
6055         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6056         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6057
6058         PR target/79645
6059         * common.opt (fdiagnostics-show-labels,
6060         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6061         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6062         gas-locview-support, ginline-points, ginternal-reset-location-views):
6063         Terminate description text with a dot.
6064         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6065         * config/mcore/mcore.opt (m210, m340): Likewise.
6066         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6067         mnops=): Start description text with a capital letter.
6068         * config/arc/arc.opt (msize-level=): Likewise.
6069         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6070         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6071         mnewlib): Likewise.
6072         * config/ft32/ft32.opt (msim): Likewise.
6073         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6074         (mnodiv, mnopm): Terminate description text with a dot.
6075         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6076         a colon.
6077         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6078         Likewise.
6079         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6080         text.
6081
6082         PR rtl-optimization/89634
6083         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6084         are modified in BB_END (e->src) instruction.
6085
6086 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6087
6088         PR target/79926
6089         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6090         messages more amenable to translation, and improve wording.
6091
6092 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6093
6094         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6095         ud- and du-chains between phases.
6096
6097 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6098
6099         PR debug/89631
6100         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6101         instead of POLY_INT_CST.
6102
6103 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6104
6105         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6106         requirement.
6107
6108 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6109
6110         PR target/68924
6111         PR target/78782
6112         PR target/87558
6113         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6114         (_mm_storeu_si64): Ditto.
6115
6116 2019-03-08  Martin Liska  <mliska@suse.cz>
6117
6118         PR target/86952
6119         * config/i386/i386.c (ix86_option_override_internal): Disable
6120         jump tables when retpolines are used.
6121
6122 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6123
6124         PR go/63560
6125         * ipa-split.c (execute_split_functions): Do not split
6126         'noinline' or 'section' function.
6127
6128 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6129
6130         PR target/79846
6131         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6132         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6133         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6134
6135         PR ipa/80000
6136         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6137         from diagnostics.  Formatting fixes.
6138
6139         PR target/85665
6140         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6141         warn_odr diagnostics.
6142
6143         PR other/80058
6144         * lra-constraints.c (process_alt_operands): Avoid one space before
6145         " at the end of line and another after " on another line in a string
6146         literal.
6147         * attribs.c (handle_dll_attribute): Likewise.
6148         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6149
6150         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6151         warning_at or inform messages in G_() if there is no ?:.
6152
6153         PR tree-optimization/89550
6154         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6155         returned true.  Formatting fixes.
6156         (expand_builtin_strnlen): Formatting fixes.
6157         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6158         if warning_at returned true.
6159         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6160
6161 2019-03-08  Richard Biener  <rguenther@suse.de>
6162
6163         PR middle-end/89578
6164         * cfgloop.h (struct loop): Add owned_clique field.
6165         * cfgloopmanip.c (copy_loop_info): Copy it.
6166         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6167         cliques.
6168         * tree-inline.c (copy_loops): Remap owned_clique.
6169         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6170         * lto-streamer-out.c (output_cfg): Likewise.
6171
6172 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6173
6174         PR target/80190
6175         * config/darwin.c: Include intl.h.
6176         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6177         composing the message out of two separate parts.
6178
6179 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6180
6181         PR target/80003
6182         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6183         doesn't start with a capital letter and doesn't end with a dot.
6184         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6185         with a capital letter.
6186         (ix86_mangle_function_version_assembler_name): Likewise.
6187         (ix86_generate_version_dispatcher_body): Likewise.
6188         (fold_builtin_cpu): Likewise.
6189         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6190         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6191         translators, wrap full type name in %qs.
6192
6193         PR translation/79999
6194         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6195         depend clause with source (or sink) modifier.
6196         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6197
6198         PR target/89602
6199         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6200         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6201         (avx512f_load<mode>_mask): New define_expand.
6202         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6203         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6204         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6205         __builtin_ia32_movess_mask): New builtins.
6206         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6207         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6208         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6209         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6210
6211 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6212
6213         PR lto/87525
6214         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6215         for extern inline functions.
6216
6217 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6218
6219         PR ipa/88235
6220         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6221         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6222         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6223         have multiple callees.  At the end check if declarations match as
6224         opposed to cgraph_nodes.
6225
6226 2019-03-07  Martin Liska  <mliska@suse.cz>
6227
6228         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6229         which is equivalent to searching for this in clones chain.
6230         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6231         names with a neighbour and special case first node in a chain.
6232
6233 2019-01-25  Jason Merrill  <jason@redhat.com>
6234
6235         PR c++/80916 - spurious "static but not defined" warning.
6236         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6237         for an internal symbol with DECL_EXTERNAL.
6238
6239 2019-04-07  Richard Biener  <rguenther@suse.de>
6240
6241         PR middle-end/89618
6242         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6243         * tree-inline.c (copy_loops): Simplify.
6244
6245 2019-03-07  Martin Liska  <mliska@suse.cz>
6246
6247         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6248
6249 2019-03-07  Richard Biener  <rguenther@suse.de>
6250
6251         PR tree-optimization/89595
6252         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6253         stmt iterator as reference, take boolean output parameter to
6254         indicate whether the stmt was removed and thus the iterator
6255         already advanced.
6256         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6257         stmts created by folding.
6258
6259 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6260
6261         PR c++/89585
6262         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6263         at toplevel.
6264
6265 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6266
6267         PR rtl-optimization/88845
6268         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6269         LRA.
6270         * lra.c (remove_scratches_1): New function.
6271         (remove_scratches): Use it.
6272         (lra_emit_move): Likewise.
6273
6274 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6275
6276         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6277         unaligned_access variable.
6278         * config/arc/arc.c (arc_override_options): Set unaligned access
6279         default on for HS CPUs.
6280         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6281
6282 2019-03-06  Martin Liska  <mliska@suse.cz>
6283
6284         PR gcov-profile/89577
6285         * doc/gcov.texi: Prefer to use --coverage.
6286         * doc/sourcebuild.texi: Likewise.
6287
6288 2019-03-02  Jason Merrill  <jason@redhat.com>
6289
6290         PR c++/86485 - -Wmaybe-unused with empty class ?:
6291         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6292
6293 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6294
6295         PR target/89587
6296         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6297         if_multiarch.
6298
6299         PR middle-end/89590
6300         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6301         exactly one argument.
6302
6303 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6304             Richard Sandiford  <richard.sandiford@arm.com>
6305
6306         PR tree-optimization/89570
6307         * match.pd (vec_cond into cond_op simplification): Don't use
6308         get_conditional_internal_fn, use as_internal_fn (cond_op).
6309
6310 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6311
6312         PR target/89222
6313         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6314         to decide when to split off a non-zero offset from a symbol.
6315         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6316         in function symbols.
6317
6318 2019-03-05  Richard Biener  <rguenther@suse.de>
6319
6320         PR tree-optimization/89594
6321         * tree-if-conv.c (pass_if_conversion::execute): Handle
6322         case where .LOOP_VECTORIZED_FUNCTION was removed.
6323
6324 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6325
6326         PR bootstrap/89560
6327         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6328         instead alloca it only when needed with the needed size.
6329
6330         PR tree-optimization/89570
6331         * match.pd (vec_cond into cond_op simplification): Guard with
6332         vectorized_internal_fn_supported_p test and #if GIMPLE.
6333
6334         PR tree-optimization/89566
6335         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6336         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6337         Punt if get_user_idx_format succeeds, but idx_format argument is
6338         not provided or doesn't have pointer type, or if idx_args is above
6339         number of provided arguments.
6340
6341 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6342
6343         PR tree-optimization/89437
6344         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6345
6346 2019-03-04  Richard Biener  <rguenther@suse.de>
6347
6348         PR middle-end/89572
6349         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6350         safe_dyn_cast.
6351
6352 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6353
6354         PR tree-optimization/89487
6355         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6356         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6357         (distribute_loop): Don't do runtime alias check if there is non-
6358         addressable data reference.
6359         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6360         is a register variable.
6361
6362 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6363
6364         PR target/89506
6365         * config/arm/arm.md (cmpsi2_addneg): Use
6366         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6367         If operands[2] is 0 or INT_MIN, force use of subs.
6368         (*compare_scc splitter): Use gen_int_mode.
6369         (*negscc): Likewise.
6370         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6371
6372 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6373             Monk Chiang  <sh.chiang04@gmail.com>
6374
6375         * common/config/riscv/riscv-common.c: Include sstream.
6376         (riscv_subset_list::to_string): New.
6377         (riscv_arch_str): Likewise.
6378         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6379         * config.in: Regen.
6380         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6381         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6382         (riscv_emit_attribute): New.
6383         (riscv_file_start): Emit attribute if needed.
6384         (riscv_option_override): Init riscv_emit_attribute_p.
6385         * config/riscv/riscv.opt (mriscv-attribute): New option.
6386         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6387         * configure: Regen.
6388         * doc/install.texi: Document --with-riscv-attribute.
6389         * doc/invoke.texi: Document -mriscv-attribute.
6390
6391         * common/config/riscv/riscv-common.c:
6392         Include config/riscv/riscv-protos.h.
6393         (INCLUDE_STRING): Defined.
6394         (RISCV_DONT_CARE_VERSION): Defined.
6395         (riscv_subset_t): Declare.
6396         (riscv_subset_t::riscv_subset_t): New.
6397         (riscv_subset_list): Declare.
6398         (riscv_subset_list::riscv_subset_list): New.
6399         (riscv_subset_list::~riscv_subset_list): Likewise.
6400         (riscv_subset_list::parsing_subset_version): Likewise.
6401         (riscv_subset_list::parse_std_ext): Likewise.
6402         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6403         (riscv_subset_list::add): Likewise.
6404         (riscv_subset_list::lookup): Likewise.
6405         (riscv_subset_list::xlen): Likewise.
6406         (riscv_subset_list::parse): Likewise.
6407         (riscv_supported_std_ext): Likewise.
6408         (current_subset_list): Likewise.
6409         (riscv_parse_arch_string): Using riscv_subset_list::parse to
6410         parse.
6411
6412 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
6413
6414         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6415         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6416         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6417
6418 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
6419
6420         PR rtl-optimization/85899
6421         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6422         fallthru edges leading to the exit block.
6423
6424 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
6425
6426         PR target/89517
6427         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6428         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6429
6430 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
6431
6432         PR tree-optimization/89535
6433         * tree-vect-stmts.c (vectorizable_call): Record the vector types
6434         for each operand.  Calculate the fallback choice for mask operands
6435         and pass it to vect_get_vec_def_for_operand.
6436
6437 2019-03-01  Richard Biener  <rguenther@suse.de>
6438
6439         PR middle-end/89541
6440         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6441         get virtual operands.
6442         (get_expr_operands): Handle CONST_DECL like other decls.
6443
6444 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6445
6446         PR middle-end/89503
6447         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6448         on DECL_P and EXPR_P.
6449
6450 2019-03-01  Richard Biener  <rguenther@suse.de>
6451
6452         PR middle-end/89497
6453         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6454         argument, defaulted to zero.
6455         * passes.c (execute_function_todo): Pass down SSA update flags
6456         to cleanup_tree_cfg.
6457         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6458         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6459         form if requested.
6460         (cleanup_tree_cfg): Get and pass down SSA update flags.
6461
6462 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6463
6464         PR bootstrap/89539
6465         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6466         early_lto_debug argument.
6467
6468 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6469
6470         PR tree-optimization/89536
6471         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6472         only whether bit #0 of the value is 0 instead of the entire value.
6473
6474 2019-02-28  Marek Polacek  <polacek@redhat.com>
6475
6476         PR c++/87068 - missing diagnostic with fallthrough statement.
6477         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6478         at the end of a seq, save its location to walk_stmt_info.
6479         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6480         a switch.
6481
6482 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6483
6484         PR lto/88585
6485         * tree.c (find_atomic_core_type): Move ahead in file.
6486         (check_base_type): Correctly compare alignments of atomic types.
6487
6488 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6489
6490         PR target/89455
6491         * config/i386/i386.c (get_builtin_code_for_version): Identify
6492         Westmere from PCLMUL, instead of AES.
6493
6494 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6495
6496         PR target/89434
6497         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6498         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6499         -UINTVAL (...).
6500
6501 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6502
6503         PR target/88530
6504         * config/aarch64/aarch64-option-extensions.def: Document it.
6505         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6506         if empty hwcaps.
6507
6508 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6509
6510         PR c/89520
6511         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6512         builtins if they don't have a single scalar floating point argument.
6513         Formatting fixes.
6514
6515 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6516
6517         PR rtl-optimization/89490
6518         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6519         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6520         block section is not mergeable.
6521
6522 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6523
6524         PR target/70341
6525         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6526         old define_insn to ...
6527         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6528         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6529         Rename old define_insn to ...
6530         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6531         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6532         define_insn to ...
6533         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6534         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6535         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6536
6537 2019-02-27  Richard Biener  <rguenther@suse.de>
6538
6539         PR debug/88878
6540         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6541
6542 2019-02-27  Richard Biener  <rguenther@suse.de>
6543
6544         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6545         building.
6546
6547 2019-02-27  Richard Biener  <rguenther@suse.de>
6548
6549         PR debug/88878
6550         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6551         parameter, prefix section name with .gnu.debuglto_ if true.
6552         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6553         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6554
6555 2019-02-27  Richard Biener  <rguenther@suse.de>
6556
6557         PR debug/89514
6558         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6559         rather than on use_debug_types, doing what output_die does.
6560         (value_format): Likewise.
6561
6562 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6563             Martin Sebor  <msebor@redhat.com>
6564
6565         * doc/invoke.texi (Warning Options): Reword description of
6566         -Wno-absolute-value.
6567
6568 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6569
6570         PR tree-optimization/89280
6571         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6572         builtin_setjmp_setup_bb): New functions.
6573         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6574         When visiting __builtin_setjmp_setup block, queue in special
6575         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6576         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6577         from visited after the loop if they don't have any visited successor
6578         blocks.
6579
6580 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6581
6582         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6583         New function.
6584         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6585
6586 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6587
6588         PR c++/89507
6589         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6590         with types other than sizetype/ssizetype.
6591
6592 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6593
6594         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6595         (enum sparc_processor_type): ...this.
6596         (enum sparc_code_model_type): New enumeration type.
6597         (enum sparc_memory_model_type): Tweak comments.
6598         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6599         (mtune): Likewise.
6600         (mcmodel): Use sparc_code_model enumeration and variable.
6601         (sparc_code_model): New enumeration.
6602         (mdebug): Add Undocumented marker.
6603         * config/sparc/sparc.h (enum cmodel): Delete.
6604         (sparc_cmodel): Likewise.
6605         (TARGET_CM_MEDLOW): Adjust to above renaming.
6606         (TARGET_CM_MEDMID): Likewise.
6607         (TARGET_CM_MEDANY): Likewise.
6608         (TARGET_CM_EMBMEDANY): Likewise.
6609         * config/sparc/sparc.c (sparc_cmodel): Delete.
6610         (sparc_option_override): Remove string/value mapping support for the
6611         code model.  Move code and memory model support to after the handling
6612         of target flags.  Do private machine setup last.
6613         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6614         (sparc_legitimize_reload_address): Likewise.
6615         (sparc_output_mi_thunk): Likewise.
6616         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6617
6618 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6619
6620         PR tree-optimization/89500
6621         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6622         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6623         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6624         cst if the first cst bytes starting at x are known to be non-zero,
6625         even if the string is not zero terminated.  Don't try to modify
6626         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6627         we can prove strnlen returns the same value as strlen would.
6628
6629 2019-02-26  Martin Liska  <mliska@suse.cz>
6630
6631         * alloc-pool.h (struct pool_usage): Remove extra
6632         print_dash_line.
6633         * bitmap.h (struct bitmap_usage): Likewise.
6634         * ggc-common.c (struct ggc_usage): Likewise.
6635         * mem-stats.h (struct mem_usage): Likewise.
6636         (mem_alloc_description::dump): Print dash lines
6637         here and repeat header at the end of a table report.
6638         It's then more readable.
6639         * tree-phinodes.c (phinodes_print_statistics): Make
6640         horizontal alignment.
6641         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6642         * vec.c (struct vec_usage): Remove extra print_dash_line.
6643         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6644
6645 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6646
6647         * doc/extend.texi (__builtin_object_size):
6648         Use @pxref instead of @xref inside parenthesis.
6649         (__builtin_has_attribute): Add missing comma after @xref.
6650         (__builtin_object_size): Ditto.
6651         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6652         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6653         in the list.
6654
6655 2019-02-26  Jeff Law  <law@redhat.com>
6656
6657         PR rtl-optimization/87761
6658         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6659         detect obviously dead insns and delete them.
6660
6661 2019-02-26  Richard Biener  <rguenther@suse.de>
6662
6663         PR tree-optimization/89505
6664         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6665         to handle restrict pointed-to vars with multiple subvars
6666         correctly.
6667
6668 2019-02-26  Richard Biener  <rguenther@suse.de>
6669
6670         PR tree-optimization/89489
6671         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6672
6673 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6674
6675         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6676         and move around comment.
6677         <BIT_AND_EXPR>: Likewise.
6678         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6679
6680 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6681
6682         PR target/89474
6683         * config/i386/i386.c (remove_partial_avx_dependency): Call
6684         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6685         after changing possibly many instructions to use that pseudo.  Fix up
6686         insertion of v4sf_const0 setter at the start of bb.
6687
6688 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6689
6690         PR c/80409
6691         * doc/extend.texi (Variadic Pointer Args): New section.
6692
6693 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6694             Martin Sebor  <msebor@gmail.com>
6695
6696         * common.opt (Wattribute-alias): Likewise.
6697         * doc/invoke.texi (Option Summary): List general form of
6698         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6699         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6700         Add cross-references.
6701         (-Wattribute-alias): Rewrite and correct default.  Mention
6702         considered attributes (same as for -Wmissing-attributes).
6703
6704 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6705
6706         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6707         (_mm_cvtpd_ps): Likewise.
6708         (_mm_cvttpd_epi32): Likewise.
6709
6710         PR target/89338
6711         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6712         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6713
6714         PR target/89339
6715         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6716
6717 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6718
6719         PR target/88530
6720         * common/config/aarch64/aarch64-common.c
6721         (struct aarch64_option_extension): Add is_synthetic.
6722         (all_extensions): Use it.
6723         (TARGET_OPTION_INIT_STRUCT): Define hook.
6724         (struct gcc_targetm_common): Moved to end.
6725         (all_extensions_by_on): New.
6726         (opt_ext_cmp, typedef opt_ext): New.
6727         (aarch64_option_init_struct): New.
6728         (aarch64_contains_opt): New.
6729         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6730         * config/aarch64/aarch64-option-extensions.def
6731         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6732         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6733         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6734         Set is_synthetic to false.
6735         (crypto): Set is_synthetic to true.
6736         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6737         SYNTHETIC.
6738
6739 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6740
6741         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6742         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6743         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6744         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6745         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6746         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6747         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6748         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6749         Rename ...
6750         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6751         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6752         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6753         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6754         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6755         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6756         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6757         vfmlsl_laneq_high_f16): ... To this.
6758         * config/arm/neon.md: Update comments.
6759
6760 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6761
6762         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6763         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6764         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6765         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6766         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6767         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6768         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6769         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6770         Rename ...
6771         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6772         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6773         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6774         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6775         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6776         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6777         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6778         vfmlslq_laneq_high_f16): ... To this.
6779
6780 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6781
6782         PR rtl-optimization/86096
6783         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6784         comparing mw_order values.
6785
6786 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6787
6788         PR target/89434
6789         * config/arm/arm.md (*subsi3_carryin_const): Use
6790         arm_neg_immediate_operand predicate instead of
6791         arm_not_immediate_operand, "L" constraint instead of "K" and
6792         print it using %n2 instead of %B2.
6793         (*subsi3_carryin_const0): New define_insn.
6794         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6795         instead of arm_not_operand and "I" constraint instead of "K" and
6796         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6797         another match_operand and in the condition check that it is negation
6798         of operands[2].
6799         (*subsi3_carryin_compare_const0): New define_ins.
6800         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6801         *subsi3_carryin_const.
6802         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6803         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6804
6805         PR target/89438
6806         * config/arm.vfp.md (*negdf2_vfp): Use
6807         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6808         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6809
6810 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6811
6812         PR rtl-optimization/89445
6813         * simplify-rtx.c (simplify_ternary_operation): Don't use
6814         simplify_merge_mask on operands that may trap.
6815         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6816         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6817         second operand is CONST_VECTOR, check if any element could be zero.
6818         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6819         their operands can trap.
6820
6821 2019-02-23  Martin Sebor  <msebor@redhat.com>
6822
6823         * gimple-ssa-sprintf.c (target_strtol): Rename...
6824         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6825         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6826         check for range error.
6827
6828 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6829
6830         PR driver/69471
6831         * opts-common.c (prune_options): Also prune joined switches
6832         with Negative and RejectNegative.
6833         * config/i386/i386.opt (march=): Add Negative(march=).
6834         (mtune=): Add Negative(mtune=).
6835         * doc/options.texi: Document Negative used together with Joined
6836         and RejectNegative.
6837
6838 2019-02-22  Martin Sebor  <msebor@redhat.com>
6839
6840         * doc/extend.texi (Other Builtins): Add
6841         __builtin_is_constant_evaluated.
6842
6843 2019-02-22  Richard Biener  <rguenther@suse.de>
6844
6845         PR tree-optimization/87609
6846         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6847
6848 2019-02-22  Jeff Law  <law@redhat.com>
6849
6850         PR rtl-optimization/87761
6851         * config/mips/mips.md: Add new combiner pattern to recognize
6852         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6853
6854 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6855
6856         PR target/89324
6857         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6858         destination register in peepholes generating patterns for ADDS/SUBS.
6859         (add<mode>3_compare0,
6860         *addsi3_compare0_uxtw, add<mode>3_compareC,
6861         add<mode>3_compareV_imm, add<mode>3_compareV,
6862         *adds_<optab><ALLX:mode>_<GPI:mode>,
6863         *subs_<optab><ALLX:mode>_<GPI:mode>,
6864         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6865         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6866         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6867         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6868         sub<mode>3_compare1): Allow stack pointer for source register.
6869         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6870
6871 2019-02-22  Martin Sebor  <msebor@redhat.com>
6872
6873         PR tree-optimization/88993
6874         PR tree-optimization/88853
6875         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6876         New helper.
6877         (sprintf_dom_walker::call_info::is_string_func): New helper.
6878         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6879         for formatted string functions.
6880         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6881
6882 2019-02-22  Martin Sebor  <msebor@redhat.com>
6883
6884         PR c/89425
6885         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6886         unreachable subexpressions.
6887
6888 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6889             Hongtao Liu  <hongtao.liu@intel.com>
6890             Sunil K Pandey  <sunil.k.pandey@intel.com>
6891
6892         PR target/87007
6893         * config/i386/i386-passes.def: Add
6894         pass_remove_partial_avx_dependency.
6895         * config/i386/i386-protos.h
6896         (make_pass_remove_partial_avx_dependency): New.
6897         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6898         New function.
6899         (pass_data_remove_partial_avx_dependency): New.
6900         (pass_remove_partial_avx_dependency): Likewise.
6901         (make_pass_remove_partial_avx_dependency): Likewise.
6902         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6903         (*extendsfdf2): Add avx_partial_xmm_update.
6904         (truncdfsf2): Likewise.
6905         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6906         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6907
6908 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6909
6910         PR middle-end/85598
6911         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6912         analysis for pass.
6913
6914 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6915
6916         PR target/89444
6917         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6918         (PTA_SKYLAKE): Add PTA_AES.
6919         (PTA_GOLDMONT): Likewise.
6920
6921 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6922
6923         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6924         instruction if enabled.
6925         (aarch64_override_options): Remove reference to return address key.
6926
6927 2019-02-22  Richard Biener  <rguenther@suse.de>
6928
6929         PR tree-optimization/89440
6930         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6931         not necessary assert.
6932
6933 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6934
6935         PR fortran/72741
6936         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6937         (oacc_replace_fn_attrib_attr): ... this new function.
6938         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6939         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6940
6941 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6942
6943         * config/arm/arm-cpus.in (ares): Rename to...
6944         (neoverse-n1): ... This.  Add ares as alias.
6945         * config/arm/arm-tables.opt: Regenerate.
6946         * config/arm/arm-tune.md: Likewise.
6947         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6948
6949 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6950
6951         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6952         * config/aarch64/aarch64-tune.md: Regenerate.
6953         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6954
6955 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6956
6957         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6958         (neoversen1_tunings): ... This.
6959         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6960         (neoverse-n1): New CPU.
6961         * config/aarch64/aarch64-tune.md: Regenerate.
6962         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6963
6964 2019-02-22  Richard Biener  <rguenther@suse.de>
6965
6966         PR middle-end/87609
6967         * cfghooks.h (dependence_hash): New typedef.
6968         (struct copy_bb_data): New type.
6969         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6970         (duplicate_block): Likewise.
6971         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6972         (copy_bbs): Create and pass down copy_bb_data.
6973         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6974         (rtl_duplicate_bb): Likewise.
6975         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6976         remap dependence info.
6977
6978 2019-02-22  Richard Biener  <rguenther@suse.de>
6979
6980         PR tree-optimization/87609
6981         * tree-core.h (tree_base): Document special clique values.
6982         * tree-inline.c (remap_dependence_clique): Do not use the
6983         special clique value of one.
6984         (maybe_set_dependence_info): Use clique one.
6985         (clear_dependence_clique): New callback.
6986         (compute_dependence_clique): Clear clique one from all refs
6987         before assigning it (again).
6988
6989 2019-02-21  Martin Sebor  <msebor@redhat.com>
6990
6991         * doc/extend.texi (__clear_cache): Correct signature.
6992
6993 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6994
6995         PR go/89170
6996         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6997         than output_constant_def.
6998         (add_constant_to_table): New static function.
6999         (output_constant_def): Call add_constant_to_table.
7000         (tree_output_constant_def): Likewise.
7001
7002 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7003
7004         PR c++/89285
7005         * builtins.c (fold_builtin_arith_overflow): If first two args are
7006         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7007         to ifn.
7008
7009 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7010
7011         PR target/87412
7012         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7013         error for -mindirect-branch/-mfunction-return with incompatible
7014         -fcf-protection.
7015
7016 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7017
7018         PR bootstrap/88714
7019         * constraints.md (q): Remove.
7020         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7021         instead of q.
7022
7023 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7024
7025         PR hsa/89302
7026         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7027         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7028         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7029         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7030         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7031         proper values to new parameters of omp_adjust_for_condition.
7032
7033 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7034
7035         PR middle-end/89412
7036         * expr.c (expand_assignment): If result is a MEM, use change_address
7037         instead of simplify_gen_subreg.
7038
7039 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7040             David Malcolm  <dmalcolm@redhat.com>
7041
7042         PR middle-end/89091
7043         * fold-const.c (decode_field_reference): Return NULL_TREE if
7044         lang_hooks.types.type_for_size returns NULL.  Check it before
7045         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7046
7047 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7048
7049         PR middle-end/88074
7050         PR middle-end/89415
7051         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7052         buggy mpc_norm.
7053
7054 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7055
7056         PR target/89397
7057         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7058         TARGET_SSE in addition to TARGET_SSE_MATH.
7059
7060         (ix86_excess_precision): Ditto.
7061         (ix86_float_exceptions_rounding_supported_p): Ditto.
7062         (use_rsqrt_p): Ditto.
7063         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7064
7065 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7066
7067         PR c/89410
7068         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7069         linenum_arith_t when determining if two adjacent line spans are
7070         close enough to merge.
7071         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7072         lines within each line_span.
7073
7074 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7075
7076         PR target/86487
7077         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7078         paradoxical SUBREGS.
7079
7080 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7081
7082         PR target/88100
7083         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7084         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7085         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7086         range checking it.
7087
7088 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7089
7090         * config/gcn/gcn.c (print_operand): Fix typo.
7091
7092 2019-02-19  Richard Biener  <rguenther@suse.de>
7093
7094         PR middle-end/88074
7095         * toplev.c (do_compile): Initialize mpfr's exponent range
7096         based on available float modes.
7097
7098 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7099
7100         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7101         as long as the epilogue isn't completed.
7102
7103 2019-02-18  Martin Sebor  <msebor@redhat.com>
7104
7105         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7106         __has_cpp_attribute, and __has_include.
7107
7108 2019-02-18  Martin Sebor  <msebor@redhat.com>
7109
7110         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7111
7112 2019-02-18  Martin Sebor  <msebor@redhat.com>
7113
7114         PR middle-end/89294
7115         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7116         expression.
7117         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7118
7119 2019-02-18  Richard Biener  <rguenther@suse.de>
7120
7121         PR tree-optimization/89296
7122         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7123         of no-warning flag to cases that might emit the bogus warning.
7124
7125 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7126
7127         PR bootstrap/88714
7128         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7129         "q" constraint.
7130         * config/arm/vfp.md (*movdi_vfp): Likewise.
7131         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7132         "q" constraint for operands[0].
7133
7134         PR target/89369
7135         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7136         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7137         pattern in a temporary buffer.
7138         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7139         than 64-operands[2].
7140
7141         PR target/89361
7142         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7143         s390_indirect_branch_settings): Define unconditionally.
7144         (s390_set_current_function): Likewise, but guard the whole body except
7145         the s390_indirect_branch_settings call with
7146         #if S390_USE_TARGET_ATTRIBUTE.
7147         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7148
7149         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7150         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7151         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7152         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7153         HOST_WIDE_INT_1U instead of 1ULL.
7154         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7155         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7156         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7157         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7158         instead of 1UL.
7159         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7160         instead of 1ul.
7161
7162 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7163
7164         PR tree-optimization/89209
7165         * tree-sra.c (create_access_replacement): New optional parameter
7166         reg_tree.  Use it as a type if non-NULL and access type is not of
7167         a register type.
7168         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7169         to create_access_replacement.
7170         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7171         Check lacc is non-NULL before attempting to re-create it on the RHS.
7172
7173 2019-02-18  Martin Liska  <mliska@suse.cz>
7174
7175         PR ipa/89306
7176         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7177         by default.
7178         (symbol_table::free_edge): Recycle m_summary_id.
7179         * cgraph.h (get_summary_id): New.
7180         (symbol_table::release_symbol): Set m_summary_id to -1
7181         by default.
7182         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7183         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7184         function_summary to fast_function_summary.
7185         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7186         * ipa-pure-const.c (class funct_state_summary_t):
7187         Switch from function_summary to fast_function_summary.
7188         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7189         (class ipa_ref_opt_summary_t): Switch from function_summary
7190         to fast_function_summary.
7191         * symbol-summary.h (class function_summary_base): New class
7192         that is created from base of former function_summary.
7193         (function_summary_base::unregister_hooks): New.
7194         (class function_summary): Inherit from function_summary_base.
7195         (class call_summary_base): New class
7196         that is created from base of former call_summary.
7197         (class call_summary): Inherit from call_summary_base.
7198         (struct is_same): New.
7199         (class fast_function_summary): New summary class.
7200         (class fast_call_summary): New summary class.
7201         * vec.h (vec_safe_grow_cleared): New function.
7202
7203 2019-02-18  Martin Liska  <mliska@suse.cz>
7204
7205         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7206         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7207         * doc/tm.texi: Document new target hook.
7208         * doc/tm.texi.in: Likewise.
7209         * target.def: Add new target macro.
7210         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7211         suffixes.
7212
7213 2019-02-17  Alan Modra  <amodra@gmail.com>
7214
7215         PR target/89271
7216         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7217         output reg on add insn.
7218         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7219
7220 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7221
7222         PR target/89372
7223         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7224         (PMULHRSW): Likewise.
7225         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7226         TARGET_AVX2.
7227         (ssse3_pmulhrswv4hi3): New expander.
7228
7229 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7230
7231         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7232         MMX.  Add isa attribute.
7233
7234 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7235
7236         PR rtl-optimization/66152
7237         * builtins.h (c_readstr): Declare.
7238         * builtins.c (c_readstr): Remove forward declaration.  Add
7239         null_terminated_p argument, if false, read all bytes from the
7240         string instead of stopping after '\0'.
7241         * expr.c (string_cst_read_str): New function.
7242         (store_expr): Use string_cst_read_str instead of
7243         builtin_strncpy_read_str.  Try to store by pieces the whole
7244         exp_len first, and only if that fails, split it up into
7245         store by pieces followed by clear_storage.  Formatting fix.
7246
7247         * config/i386/i386.md (*movqi_internal): Remove static from
7248         buf variable.  Use output_asm_insn (buf, operands); return "";
7249         instead of return buf;.
7250         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7251         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7252         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7253
7254 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7255
7256         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7257         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7258         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7259         (CC1_SPEC): Likewise.
7260         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7261
7262 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7263
7264         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7265         the base address on 64-bit strict-alignment platforms.
7266
7267 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7268
7269         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7270
7271 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7272
7273         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7274
7275 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7276
7277         PR rtl-optimization/88308
7278         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7279         on copied instruction.
7280
7281 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7282
7283         * final.c (insn_current_reference_address): Replace test on JUMP_P
7284         with test on jump_to_label_p.
7285         * config/visium/visium-passes.def: New file.
7286         * config/visium/t-visium (PASSES_EXTRA): Define.
7287         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7288         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7289         (TRAMPOLINE_ALIGNMENT): Define.
7290         * config/visium/visium.c (visium_option_override): Do not register
7291         the machine-specific reorg pass here.
7292         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7293         for the GR6.
7294         (output_branch): Adjust threshold for long branch instruction.
7295         * config/visium/visium.md (cpu): Move around.
7296         (length): Adjust for the GR6.
7297
7298 2019-02-15  Richard Biener  <rguenther@suse.de>
7299             Jakub Jelinek  <jakub@redhat.com>
7300
7301         PR tree-optimization/89278
7302         * tree-loop-distribution.c: Include tree-eh.h.
7303         (generate_memset_builtin, generate_memcpy_builtin): Call
7304         rewrite_to_non_trapping_overflow on builtin->size before passing it
7305         to force_gimple_operand_gsi.
7306
7307 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7308
7309         PR other/89342
7310         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7311         optimize_debug.
7312         * opth-gen.awk: Likewise.
7313
7314 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7315
7316         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7317         Enable MMX, SSE and SSE2 by default.
7318         * config/i386/i386.c (ix86_option_override_internal): Do not
7319         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7320
7321 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7322
7323         PR rtl-optimization/89354
7324         * combine.c (make_extraction): Punt if extraction_mode is narrower
7325         than len bits.
7326
7327 2019-02-14  Maya Rashish  <coypu@sdf.org>
7328
7329         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7330         * config/netbsd-d.c: New file.
7331         * config/t-netbsd: Add netbsd-d.o
7332
7333 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7334
7335         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7336         affects_type_identity to true for aarch64_vector_pcs.
7337         (aarch64_comp_type_attributes): New function.
7338         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7339
7340 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7341
7342         PR target/88850
7343         * config/arm/iterators.md (ANY64): Add V4HF.
7344
7345 2019-02-14  Martin Liska  <mliska@suse.cz>
7346
7347         PR rtl-optimization/89242
7348         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7349         process a transformation.
7350
7351 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7352
7353         PR tree-optimization/89314
7354         * fold-const.c (fold_binary_loc): Cast strlen argument to
7355         const char * before dereferencing it.  Formatting fixes.
7356
7357         PR middle-end/89284
7358         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7359
7360 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7361
7362         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7363         and set current index for other optimizations.
7364
7365 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7366
7367         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7368         nonimmediate_operand as operand 2 predicate.
7369         (vec_set<VF2_512_256:mode>_0): Ditto.
7370         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7371         (*vec_concatv2si): Remove alternative 2.
7372         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7373         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7374         (vec_concatv2di): Split alternatives 4,5,6 to ...
7375         (*vec_concatv2di_0) ... new pattern.
7376
7377 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7378
7379         PR target/89190
7380         * config/arm/arm.c (ldm_stm_operation_p) Set
7381         addr_reg_in_reglist correctly for first register.
7382         (load_multiple_sequence): Remove dead base check.
7383         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7384
7385 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7386
7387         PR target/88847
7388         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7389         Expose as @aarch64_pred_mov.
7390         * config/aarch64/aarch64.c (aarch64_classify_address):
7391         Use expand_insn which legitimizes operands.
7392
7393 2019-02-13  Martin Liska  <mliska@suse.cz>
7394
7395         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7396         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7397         and pointer_offset fields.
7398         (initialize_argument_information): Remove usage of dead
7399         fields.
7400         * cgraph.h (struct cgraph_thunk_info): Remove
7401         add_pointer_bounds_args.
7402         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7403         fields.
7404         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7405         fields.
7406         * config/i386/i386.c (ix86_function_arg_advance): Remove
7407         unrelated comment.
7408         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7409         (def_builtin):  Remove usage of dead
7410         fields.
7411         (ix86_add_new_builtins): Likewise.
7412         * ipa-fnsummary.c (compute_fn_summary): Likewise.
7413         * ipa-icf.c (sem_function::equals_wpa): Likewise.
7414         (sem_function::init): Likewise.
7415         (sem_variable::merge): Likewise.
7416         * ipa-visibility.c (function_and_variable_visibility): Likewise.
7417         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7418         * lto-cgraph.c (lto_output_node): Likewise.
7419         (lto_output_varpool_node): Likewise.
7420         (input_node): Likewise.
7421         (input_varpool_node): Likewise.
7422         * lto-streamer-out.c (lto_output): Likewise.
7423         * tree-inline.c (expand_call_inline): Remove usage of
7424         assign_stmts.
7425         * tree-inline.h (struct copy_body_data): Likewise.
7426         * varpool.c (varpool_node::dump): Likewise.
7427
7428 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
7429
7430         PR middle-end/89303
7431         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7432         into pt->vars_contains_escaped_heap instead of setting
7433         pt->vars_contains_escaped_heap to it.
7434
7435         PR middle-end/89281
7436         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7437         INTVAL (size), compare it to GET_MODE_MASK instead of
7438         1 << GET_MODE_BITSIZE.
7439
7440         PR target/89290
7441         * config/i386/predicates.md (x86_64_immediate_operand): Allow
7442         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7443         -mcmodel=large.
7444
7445 2019-02-13  Martin Liska  <mliska@suse.cz>
7446
7447         PR lto/88858
7448         * cfgrtl.c (remove_barriers_from_footer): New function.
7449         (try_redirect_by_replacing_jump): Use it.
7450         (cfg_layout_redirect_edge_and_branch): Likewise.
7451
7452 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7453
7454         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7455         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7456         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7457         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7458         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7459         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7460         New BU_CRYPTO_2.
7461         * config/rs6000/rs6000.c (builtin_function_type)
7462         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7463         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7464         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7465         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7466         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7467
7468 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
7469
7470         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7471         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7472
7473 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7474
7475         PR target/89229
7476         * config/i386/i386.md (*movoi_internal_avx): Revert revision
7477         268678 and revision 268657.
7478         (*movti_internal): Likewise.
7479
7480 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7481
7482         PR target/89233
7483         * config/s390/s390.c (s390_decompose_address): Update comment.
7484         (s390_check_qrst_address): Reject invalid address forms after
7485         LRA.
7486
7487 2019-02-12  Martin Liska  <mliska@suse.cz>
7488
7489         PR lto/88876
7490         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7491         we need default values of funct_state for a function that
7492         is not optimized.
7493
7494 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7495
7496         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7497         the object to pick the size of stores on strict-alignment platforms.
7498
7499         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7500         (*movdi_insn_sp32): Likewise.
7501         (*movdi_insn_sp64): Likewise.
7502
7503 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7504
7505         PR lto/88677
7506         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7507         types that needs constructiong.
7508         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7509
7510 2019-02-12  Richard Biener  <rguenther@suse.de>
7511
7512         PR tree-optimization/89253
7513         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7514         duplicate the loop.
7515
7516 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7517
7518         PR lto/88147
7519         * input.c (selftest::test_line_offset_overflow): New selftest.
7520         (selftest::input_c_tests): Call it.
7521
7522 2019-02-11  Martin Sebor  <msebor@redhat.com>
7523
7524         PR tree-optimization/88771
7525         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7526         when -Wstringop-overflow is set.
7527         (builtin_memref::builtin_memref): Adjust excessive upper bound
7528         only when lower bound is not excessive.
7529         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7530         -Wstringop-ovefflow.
7531         (maybe_diag_offset_bounds): Rename...
7532         (maybe_diag_access_bounds): ...to this.
7533         (check_bounds_or_overlap): Adjust for name change above.
7534
7535 2019-02-11  Martin Sebor  <msebor@redhat.com>
7536
7537         PR c++/87996
7538         * builtins.c (max_object_size): Move from here...
7539         * builtins.h (max_object_size): ...and here...
7540         * tree.c (max_object_size): ...to here...
7541         * tree.h (max_object_size): ...and here.
7542
7543 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7544
7545         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7546         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7547         for correct semantics.
7548
7549 2019-02-11  Alan Modra  <amodra@gmail.com>
7550
7551         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7552         -mlongcall and -mpltseq.
7553         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7554         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7555         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7556         * config/rs6000/sysv4.opt (mpltseq): New option.
7557         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7558         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7559         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7560         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7561         -mpltseq given for ELFv1.
7562         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7563         Only use UNSPEC_PLTSEQ for inline PLT calls.
7564         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7565         use UNSPEC_PLTSEQ for inline PLT calls.
7566         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7567         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7568         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7569         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7570         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7571         (pltseq_mtctr_<mode>): Likewise.
7572
7573 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7574
7575         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7576         Solaris ld.
7577         * configure: Regenerate.
7578
7579 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7580
7581         PR bootstrap/88714
7582         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7583         instead of r.
7584
7585 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7586
7587         * function.c (assign_parm_setup_block): Use the stored
7588         size, not the passed size, when allocating stack-space,
7589         also for a parameter with alignment larger than
7590         MAX_SUPPORTED_STACK_ALIGNMENT.
7591
7592 2019-02-11  Martin Liska  <mliska@suse.cz>
7593
7594         PR ipa/89009
7595         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7596         * ipa-inline.c (inline_small_functions): Likewise.
7597         * ipa-pure-const.c (propagate_pure_const): Likewise.
7598         (propagate_nothrow): Likewise.
7599         * ipa-reference.c (propagate): Likewise.
7600         * ipa-utils.c (struct searchc_env): Remove unused field.
7601         (searchc): Always search across AVAIL_INTERPOSABLE.
7602         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7603         the only called IPA pure const can properly not propagate
7604         across interposable boundary.
7605         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7606
7607 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7608
7609         * config/nds32/nds32.md (call_internal, call_value_internal,
7610         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7611
7612 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7613
7614         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7615         typo.
7616
7617 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7618
7619         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7620         in comments
7621
7622 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7623
7624         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7625
7626 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7627
7628         PR tree-optimization/89268
7629         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7630         if preds is non-NULL.
7631
7632 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7633
7634         PR lto/89272
7635         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7636         polymorphic types.
7637
7638 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7639
7640         * config/nds32/nds32.md (trap): New pattern.
7641
7642 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7643
7644         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7645         dwarf span.
7646
7647 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7648
7649         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7650         to split POST_INC.
7651
7652 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7653
7654         * ipa-visibility.c (localize_node): Also do not localize
7655         LDPR_PREVAILING_DEF_IRONLY_EXP.
7656
7657 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7658
7659         PR lto/87957
7660         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7661         instead of type_with_linkage.
7662
7663 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7664
7665         PR ipa/88755
7666         * params.def (uninlined-function-insns, uninlined-function-time,
7667         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7668         bound so we don't get overflows.
7669
7670 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7671
7672         * config/rs6000/rs6000-string.c (expand_compare_loop,
7673         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7674         memcmp/strncmp.
7675
7676 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7677
7678         PR middle-end/89246
7679         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7680         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7681         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7682
7683 2019-02-09  Alan Modra  <amodra@gmail.com>
7684
7685         PR target/88343
7686         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7687         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7688         setup.
7689
7690 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7691
7692         PR middle-end/88560
7693         * lra-constraints.c (process_alt_operands): Don't increase reject
7694         for memory when offset memory is required.
7695
7696 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7697
7698         * config/s390/vector.md: Implement vector copysign.
7699
7700 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7701
7702         * expr.c (expand_constructor): Correct indentations.
7703
7704 2019-02-08  Richard Biener  <rguenther@suse.de>
7705
7706         PR tree-optimization/89247
7707         * tree-if-conv.c: Include tree-cfgcleanup.h.
7708         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7709         (tree_if_conversion): Pass through predicate vector.
7710         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7711         inline, see if any if-converted loops we refrece in
7712         LOOP_VECTORIZED calls vanished and fixup.
7713         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7714
7715 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7716
7717         * config/s390/constraints.md (jdd): New constraint.
7718
7719 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7720
7721         PR target/89229
7722         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7723         upper 16 vector registers without TARGET_AVX512VL.
7724         (*movti_internal): Likewise.
7725
7726 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7727
7728         PR rtl-optimization/89234
7729         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7730         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7731         (copy_reg_eh_region_note_backward): Likewise.
7732
7733 2019-02-08  Richard Biener  <rguenther@suse.de>
7734
7735         PR middle-end/89223
7736         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7737         doesn't fit in HWI.
7738         (analyze_subscript_affine_affine): Handle failure from
7739         initialize_matrix_A.
7740
7741 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7742
7743         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7744         cfun everywhere.
7745
7746 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7747
7748         PR tree-optimization/86637
7749         PR tree-optimization/89235
7750         * tree-vect-loop.c (optimize_mask_stores): Add an
7751         auto_purge_vect_location sentinel to ensure that vect_location is
7752         purged on exit.
7753         * tree-vectorizer.c
7754         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7755         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7756         to ensure that vect_location is purged on exit.
7757         (pass_slp_vectorize::execute): Likewise, replacing the manual
7758         reset.
7759         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7760
7761 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7762
7763         * config/aarch64/iterators.md (max_opp): New code_attr.
7764         (USMAX): New code iterator.
7765         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7766         (aarch64_smax): Likewise.
7767         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7768         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7769         MINUS (MAX MIN).
7770
7771 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7772
7773         PR target/89229
7774         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7775         for TARGET_AVX512VL.
7776         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7777
7778 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7779
7780         * config/s390/s390-builtin-types.def: Add new types.
7781         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7782         (s390_vec_xlw4): Make the memory operand into a const pointer.
7783         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7784         float.
7785         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7786         a new vector type with the alignment of the scalar memory operand.
7787
7788 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7789             Jakub Jelinek  <jakub@redhat.com>
7790
7791         PR bootstrap/88714
7792         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7793         arm_count_ldrdstrd_insns): New declarations.
7794         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7795         MINUS.
7796         (valid_operands_ldrd_strd): New function.
7797         (arm_count_ldrdstrd_insns): New function.
7798         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7799         sets instead of single DImode set and define new insns to match this.
7800
7801 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7802
7803         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7804         Make it a C initializer.
7805
7806 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7807
7808         PR/target 88850
7809         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7810
7811 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7812
7813         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7814         Use neon_dot<q> for type.
7815         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7816
7817 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7818
7819         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7820         Use neon_dot<q> for type.
7821         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7822         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7823
7824 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7825
7826         PR rtl-optimization/89225
7827         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7828         sizes check.
7829
7830 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7831
7832         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7833         after restoring registers saved to allocate the frame on Windows.
7834
7835 2019-02-06  Richard Biener  <rguenther@suse.de>
7836
7837         PR tree-optimization/89182
7838         * graphite.h (cached_scalar_evolution_in_region): Declare.
7839         * graphite.c (struct seir_cache_key): New.
7840         (struct sese_scev_hash): Likewise.
7841         (seir_cache): New global.
7842         (cached_scalar_evolution_in_region): New function.
7843         (graphite_transform_loops): Allocate and release seir_cache.
7844         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7845         cached_scalar_evolution_in_region.
7846         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7847         Simplify.
7848         (scop_detection::graphite_can_represent_expr: Use
7849         cached_scalar_evolution_in_region.
7850         (scop_detection::stmt_simple_for_scop_p): Likewise.
7851         (find_params_in_bb): Likewise.
7852         (gather_bbs::before_dom_children): Likewise.
7853         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7854         (add_loop_constraints): Likewise.
7855
7856 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7857
7858         PR middle-end/89210
7859         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7860         operand to new_unary_operation only if both element types are integral
7861         and it isn't a widening conversion.  Return NULL_TREE if
7862         new_unary_operation failed.
7863
7864 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7865
7866         PR target/88856
7867         * config/s390/s390.md: Remove load and test FP splitter.
7868
7869 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7870
7871         PR target/89112
7872         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7873         expand_compare_loop, expand_block_compare_gpr,
7874         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7875         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7876         #include "profile-count.h" and "predict.h" for types and functions
7877         needed to work with REG_BR_PROB notes.
7878
7879 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7880
7881         PR target/89112
7882         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7883         for the long branch case.
7884
7885 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7886
7887         PR target/89188
7888         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7889         can throw, non-call exceptions are enabled and we can't delete
7890         dead exceptions or alter cfg.  Set must_clean if
7891         delete_insn_and_edges returns true, don't set it blindly for calls.
7892         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7893
7894         PR rtl-optimization/89195
7895         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7896         of the original MEM.
7897
7898 2019-02-05  Martin Liska  <mliska@suse.cz>
7899
7900         PR gcov-profile/89000
7901         * gcov.c (function_summary): Remove argument.
7902         (file_summary): New function.
7903         (print_usage): Replace tabs with spaces.
7904         (generate_results): Use new function file_summary.
7905
7906 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7907
7908         PR target/89186
7909         * optabs.c (prepare_cmp_insn): Pass x and y to
7910         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7911
7912 2019-02-05  Richard Biener  <rguenther@suse.de>
7913
7914         PR middle-end/89150
7915         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7916         (struct bitmap_element): Drop chain_prev so we properly recurse on
7917         the prev member, supporting tree views.
7918         (struct bitmap_head): GTY skip the obstack member.
7919
7920 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7921
7922         PR c/88698
7923         * doc/extend.texi (Vector Extensions): Add an example of using vector
7924         types together with x86 intrinsics.
7925
7926 2019-02-04  Alan Modra  <amodra@gmail.com>
7927
7928         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7929         str[] size to 160, and comment.
7930
7931 2019-02-04  Alan Modra  <amodra@gmail.com>
7932
7933         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7934         (rs6000_pltseq_template): Guard output of TLS markers with
7935         TARGET_TLS_MARKERS.
7936         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7937         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7938         to use inline PLT sequences.
7939         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7940         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7941         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7942
7943 2019-02-04  Martin Liska  <mliska@suse.cz>
7944
7945         PR ipa/88985
7946         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7947         out when ipa_fn_summaries does not contain entry for callee.
7948
7949 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7950
7951         * config/sparc/sparc.h: Remove superfluous blank lines.
7952         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7953         (got_register_rtx): ...this.
7954         (sparc_got): Adjust to above renaming.
7955         (sparc_tls_got): Likewise.
7956         (sparc_delegitimize_address): Likewise.
7957         (sparc_output_mi_thunk): Likewise.
7958         (sparc_init_pic_reg): Likewise.
7959         (save_local_or_in_reg_p): Fix test on the GOT register.
7960         (USE_HIDDEN_LINKONCE): Move around.
7961         (get_pc_thunk_name): Likewise.
7962         (gen_load_pcrel_sym): Likewise.
7963         (load_got_register): Likewise.
7964
7965 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7966
7967         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7968         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7969
7970 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7971
7972         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7973         into consideration.
7974
7975 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7976
7977         * config.gcc (with_nds32_lib, glibc):
7978         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7979         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7980         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7981
7982 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7983
7984         PR target/89071
7985         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7986         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7987         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7988         (*rcpsf2_sse): Ditto.
7989         (*rsqrtsf2_sse): Ditto.
7990         (sse4_1_round<mode<2): Ditto.
7991
7992 2019-02-03  Richard Biener  <rguenther@suse.de>
7993
7994         PR debug/87295
7995         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7996         orig.
7997
7998 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7999
8000         PR middle-end/87887
8001         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8002         Punt with warning on aggregate return or argument types.  Ignore
8003         type/mode checking for uniform arguments.
8004
8005 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8006
8007         * combine.c (try_combine): Do not print "Can't combine" messages unless
8008         printing failed combination attempts.
8009
8010 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8011
8012         PR hsa/87863
8013         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8014         segment and global segment variables before making them static.
8015
8016 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8017
8018         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8019         missed optimization dump with dump_enabled_p.
8020
8021 2019-02-01  Richard Biener  <rguenther@suse.de>
8022
8023         PR middle-end/88597
8024         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8025         the instantiate cache.
8026         (instantiate_scev_binary): Elide second operand procesing
8027         if equal to the first.
8028         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8029         (chrec_contains_undetermined): Likewise.
8030         (tree_contains_chrecs): Likewise.
8031
8032 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8033
8034         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8035
8036 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8037
8038         PR tree-optimization/89143
8039         * wide-int-range.h (wide_int_range_absu): Declare.
8040         * wide-int-range.cc (wide_int_range_absu): New function.
8041         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8042
8043         PR tree-optimization/88107
8044         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8045         instead of assertion that eh_region_outermost is non-NULL, if it
8046         is NULL, set *ALL to true and return NULL.
8047         (move_sese_region_to_fn): Adjust caller, if all is set, call
8048         duplicate_eh_regions with NULL region.
8049
8050 2019-02-01  Richard Biener  <rguenth@suse.de>
8051
8052         PR rtl-optimization/88593
8053         * mode-switching.c (optimize_mode_switching): Free dominators before
8054         calling cleanup_cfg.
8055
8056 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8057
8058         PR tree-optimization/88932
8059         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8060
8061 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8062
8063         PR middle-end/89137
8064         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8065         bogus clang warning.
8066
8067 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8068
8069         PR target/89071
8070         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8071         alternative to avoid partial SSE register stall for TARGET_AVX.
8072         (truncdfsf2): Ditto.
8073         (sse4_1_round<mode>2): Ditto.
8074
8075 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8076
8077         PR tree-optimization/89008
8078         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8079         process anything of the form X * 0.
8080
8081 2019-01-31  Richard Biener  <rguenther@suse.de>
8082
8083         PR tree-optimization/89135
8084         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8085         with abnormal preds.
8086
8087 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8088
8089         PR sanitizer/89124
8090         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8091         always_inline callees into no_sanitize_address callers.
8092
8093 2019-01-31  Richard Biener  <rguenther@suse.de>
8094
8095         PR rtl-optimization/89115
8096         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8097
8098 2019-01-30  Martin Sebor  <msebor@redhat.com>
8099
8100         PR other/89106
8101         * doc/extend.texi (cast to a union): Correct and expand.
8102
8103 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8104
8105         PR rtl-optimization/87246
8106         * lra-constraints.c (simplify_operand_subreg): Reload memory
8107         in subreg if the address became invalid.
8108
8109 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8110
8111         PR target/87064
8112         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8113         Disable for little-endian.
8114
8115 2019-01-30  Richard Biener  <rguenther@suse.de>
8116
8117         PR rtl-optimization/89115
8118         * opts.c (default_options_optimization): Reduce
8119         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8120         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8121         to the default.
8122
8123 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8124
8125         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8126         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8127         type of vector element when vec_extract is implemented by direct
8128         move.
8129
8130 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8131
8132         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8133
8134 2019-01-30  Richard Biener  <rguenther@suse.de>
8135
8136         PR tree-optimization/89111
8137         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8138         canonicalization to appropriately sized access types.
8139
8140 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8141
8142         PR c++/89105
8143         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8144         for arguments to functions that are TU-local and shouldn't be
8145         referenced by assembly.
8146
8147 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8148
8149         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8150         after '='.
8151
8152 2019-01-29  Martin Sebor  <msebor@redhat.com>
8153
8154         PR c/88956
8155         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8156
8157 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8158
8159         PR c++/66676
8160         PR ipa/89104
8161         * omp-simd-clone.c (simd_clone_clauses_extract)
8162         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8163         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8164
8165 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8166
8167         * config.gcc: Force .init_array for ARC.
8168
8169 2019-01-29  Richard Biener  <rguenther@suse.de>
8170
8171         PR debug/87295
8172         * dwarf2out.c (collect_skeleton_dies): New helper.
8173         (copy_decls_for_unworthy_types): Call it.
8174         (build_abbrev_table): Assert we do not try to replace
8175         DW_AT_signature refs with local refs.
8176
8177 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8178
8179         PR middle-end/89002
8180         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8181         for lastprivate/linear IV, push gimplify context around gimplify_assign
8182         and, if it needed any temporaries, pop it into a gimple bind around the
8183         sequence.
8184
8185 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8186
8187         * common.opt (-Wattribute-alias): Remove "no-" from name.
8188         Make -Wattribute-alias command line option and
8189         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8190
8191 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8192
8193         PR target/89073
8194         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8195         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8196         x86 ISA options.
8197         (bmi2): Add missing @opindex.
8198         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8199         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8200         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8201         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8202         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8203         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8204         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8205         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8206         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8207         xsavec, xsaveopt and xsaves options.
8208
8209 2019-01-28  Richard Biener  <rguenther@suse.de>
8210
8211         PR debug/89076
8212         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8213         support removal.
8214
8215 2019-01-28  Richard Biener  <rguenther@suse.de>
8216
8217         PR tree-optimization/88739
8218         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8219         BIT_FIELD_REFs only are applied to mode-precision operands
8220         when they are integral.
8221         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8222         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8223         BIT_FIELD_REFs of non-mode-precision integral operands.
8224
8225 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8226
8227         PR target/87214
8228         * config/i386/sse.md
8229         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8230         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8231         first constants in pairs are multiples of 2.  Formatting fixes.
8232         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8233         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8234         first constants in each quadruple are multiples of 4.  Formatting fixes.
8235
8236 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8237
8238         PR ipa/88933
8239         * tree-inline.c: Include tree-cfgcleanup.h.
8240         (delete_unreachable_blocks_update_callgraph): Move...
8241         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8242         ...here, make externally visible, make second argument bool, adjust
8243         all callers.
8244         * tree-cfgcleanup.c: Include cgraph.h.
8245         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8246         Declare.
8247         * ipa-prop.c: Include tree-cfgcleanup.h.
8248         (ipcp_transform_function): Call
8249         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8250
8251 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8252
8253         PR rtl-optimization/88846
8254         * ira.c (process_set_for_memref_referenced_p): New.
8255         (memref_referenced_p): Add new param.  Use
8256         process_set_for_memref_referenced_p.  Add new switch cases.
8257         (memref_used_between_p): Pass new arg to memref_referenced_p.
8258
8259 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8260
8261         PR target/88469
8262         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8263         argument ABI_BREAK.  Set to true if the calculated alignment has
8264         changed in gcc-9.  Check bit-fields for their base type alignment.
8265         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8266         (aarch64_function_arg_boundary): Likewise.
8267         (aarch64_gimplify_va_arg_expr): Likewise.
8268
8269 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8270
8271         PR middle-end/89037
8272         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8273         instead of accessing TREE_INT_CST_ELT directly.
8274
8275 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8276
8277         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8278         fenv_exceptions description.
8279
8280 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8281
8282         PR rtl-optimization/87763
8283         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8284         Allow SUBREG when matching CC_NZmode compare.
8285
8286 2019-01-25  Richard Biener  <rguenther@suse.de>
8287
8288         PR tree-optimization/89049
8289         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8290         Look at the pattern stmt to determine if the stmt is vectorized.
8291
8292 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8293
8294         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8295         (pred_mov<mode>): Handle all-register forms using both a new
8296         alternative and a split.
8297
8298 2019-01-25  Richard Biener  <rguenther@suse.de>
8299
8300         PR tree-optimization/86865
8301         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8302         Reject non-do-while loops.
8303
8304 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8305
8306         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8307         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8308         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8309         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8310         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8311         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8312         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8313         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8314         vlogical_operand, gpc_reg_operand, int_reg_operand,
8315         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8316         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8317         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8318         (save_world_operation, restore_world_operation, lmw_operation,
8319         stmw_operation): Use MEM_P and REG_P.
8320         (tie_operand): Use MEM_P.
8321         (vrsave_operation, crsave_operation): Use REG_P.
8322         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8323         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8324         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8325         (call_operand): Use HARD_REGISTER_P.
8326         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8327         Use CONST_INT_P.
8328         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8329         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8330         quad_aligned_load_p, replace_swapped_aligned_store,
8331         recombine_lvx_pattern, replace_swapped_aligned_load,
8332         recombine_stvx_pattern): Use MEM_P.
8333         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8334         Use MEM_P and SYMBOL_REF_P.
8335         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8336         (insn_is_swappable_p): Use REG_P and MEM_P.
8337         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8338         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8339         Use CONST_INT_P.
8340         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8341         Use CONST_DOUBLE_P.
8342         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8343         CONST_WIDE_INT_P.
8344         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8345         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8346         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8347         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8348         reg_or_subregno:
8349         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8350         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8351         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8352         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8353         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8354         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8355         rs6000_split_logical_di): Use CONST_INT_P.
8356         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8357         REG_P and SYMBOL_REF_P.
8358         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8359         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8360         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8361         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8362         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8363         (small_data_operand, print_operand_address): Use CONST_INT_P and
8364         SYMBOL_REF_P.
8365         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8366         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8367         Use HARD_REGISTER_NUM_P.
8368         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8369         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8370         SUBREG_P and SYMBOL_REF_P.
8371         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8372         and HARD_REGISTER_NUM_P.
8373         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8374         reg_or_subregno.
8375         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8376         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8377         MEM_P and REG_P.
8378         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8379         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8380         find_addr_reg): Use REG_P.
8381         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8382         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8383         (offsettable_ok_by_alignment, constant_pool_expr_p,
8384         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8385         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8386         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8387         rs6000_assemble_integer, create_TOC_reference,
8388         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8389         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8390         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8391         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8392         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8393         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8394         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8395         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8396         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8397         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8398         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8399         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8400         and cbranch<mode>4): Use CONST_INT_P.
8401         (multiple define_splits): Use REG_P and SUBREG_P.
8402         (define_expands call, call_value): Use MEM_P.
8403         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
8404         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8405         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8406         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8407         and HARD_REGISTER_NUM_P.
8408         (multiple define_splits): Use HARD_REGISTER_NUM_P.
8409
8410 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
8411
8412         PR rtl-optimization/88948
8413         * rtl.h (prepare_copy_insn): New prototype.
8414         * gcse.c (prepare_copy_insn): New function, split out from
8415         process_insert_insn.
8416         (process_insert_insn): Use prepare_copy_insn.
8417         * store-motion.c (replace_store_insn): Use prepare_copy_insn
8418         instead of gen_move_insn.
8419
8420 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
8421
8422         PR debug/89006
8423         * config/i386/i386.c (ix86_pic_register_p): Return true for
8424         UNSPEC_SET_GOT too.
8425
8426         PR tree-optimization/88964
8427         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8428         punt if HONOR_SNANS (chrec).
8429
8430         PR middle-end/89015
8431         * tree-nested.c (convert_nonlocal_reference_stmt,
8432         convert_local_reference_stmt, convert_tramp_reference_stmt,
8433         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8434         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8435         or GIMPLE_OMP_TASK.
8436
8437         PR tree-optimization/89027
8438         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8439         for "omp simd array" variables.
8440
8441 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
8442
8443         PR target/88469
8444         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8445         force the alignment of m_val.
8446
8447 2019-01-24  Richard Biener  <rguenther@suse.de>
8448
8449         PR lto/87187
8450         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8451         When in "legacy" debug mode make sure to reset self-origins.
8452
8453 2019-01-24  Martin Liska  <mliska@suse.cz>
8454
8455         PR gcov-profile/88994
8456         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8457         result will be always smaller or equal to the original.
8458         * gcov.c (mangle_name): Fix else branch where we should
8459         also copy to PTR and shift the pointer.
8460
8461 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8462
8463         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8464         * vr-values.c (find_case_label_ranges): Fix a comment typo.
8465
8466 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
8467
8468         * common/config/i386/i386-common.c
8469         (OPTION_MASK_ISA_ENQCMD_SET,
8470         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8471         (ix86_handle_option): Handle -menqcmd.
8472         * config.gcc (enqcmdintrin.h): New header file.
8473         * config/i386/cpuid.h (bit_ENQCMD): New bit.
8474         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8475         -menqcmd.
8476         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8477         function type.
8478         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8479         __builtin_ia32_enqcmds): New builtins.
8480         * config/i386/i386-c.c (__ENQCMD__): New macro.
8481         * config/i386/i386-option.c (ix86_target_string): Add
8482         -menqcmd.
8483         (ix86_valid_target_attribute_inner_p): Likewise.
8484         * config/i386/i386-expand.c
8485         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8486         IX86_BUILTIN_ENQCMDS.
8487         * config/i386/i386.h (TARGET_ENQCMD): New.
8488         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8489         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8490         (movdir64b_<mode>): Parameterize to enable share expansion code
8491         with ENQCMD in function ix86_expand_builtin.
8492         * config/i386/i386.opt: Add -menqcmd.
8493         * config/i386/immintrin.h: Include enqcmdintrin.h.
8494         * config/i386/enqcmdintrin.h: New intrinsic file.
8495         * doc/invoke.texi: Add -menqcmd.
8496
8497 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8498             Steve Ellcey <sellcey@marvell.com>
8499
8500         PR target/85711
8501         * recog.c (address_operand): Return false on wrong mode for address.
8502         (constrain_operands): Check for mode with 'p' constraint.
8503
8504 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8505
8506         PR target/88998
8507         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8508         Disparage MMX alternative.
8509         (sse2_cvtpd2pi): Ditto.
8510         (sse2_cvttpd2pi): Ditto.
8511
8512 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8513
8514         PR driver/89014
8515         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8516         use-after-free of the result of
8517         aarch64_get_extension_string_for_isa_flags.
8518
8519 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8520
8521         PR c/44715
8522         * doc/extend.texi: Document break and continue behavior in
8523         statement expressions.
8524
8525 2019-01-23  Richard Biener  <rguenther@suse.de>
8526
8527         PR tree-optimization/89008
8528         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8529         not leave another stray operand.
8530
8531 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8532
8533         * BASE-VER: Bump to 9.0.1.
8534
8535 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8536
8537         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8538         thunk that returns by reference, use the type of the return object
8539         of the thunk instead of that of the alias to build the dereference.
8540
8541 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8542
8543         * config/arc/atomic.md: Add operand to DMB instruction.
8544
8545 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8546
8547         PR tree-optimization/88964
8548         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8549         build_zero_cst instead of build_int_cst.  Return false for loop
8550         invariants which honor signed zeros.
8551
8552 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8553
8554         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8555
8556 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8557
8558         PR target/88965
8559         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8560         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8561         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8562
8563         PR middle-end/88968
8564         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8565         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8566
8567         PR target/87064
8568         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8569         Disable for little endian.
8570
8571 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8572
8573         PR target/88469
8574         * config/arm/arm.c (arm_needs_double_word_align): Check
8575         DECL_BIT_FIELD_TYPE.
8576
8577 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8578             H.J. Lu  <hongjiu.lu@intel.com>
8579
8580         PR target/88909
8581         * config/i386/i386-builtin.def: Add mask2 to all builtin
8582         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8583         SPECIAL_ARGS.
8584         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8585         (BDESC_FIRST): Likewise.
8586         (define_builtin): Add an argument for mask2.  Updated to handle
8587         both ix86_isa_flags and ix86_isa_flags2.
8588         (define_builtin_const): Likewise.
8589         (define_builtin_pure): Likewise.
8590         (define_builtin2): Deleted.
8591         (define_builtin_const2): Likewise.
8592         (builtin_description): Add a member, mask2.
8593         (bdesc_*): Add mask2 to builtin initializations.
8594         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8595         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8596         support.
8597         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8598
8599 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8600
8601         PR target/88954
8602         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8603         noplt attribute.
8604
8605 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8606
8607         PR target/88469
8608         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8609         alignment is dominated by a bitfield with 64-bit aligned base type.
8610         (arm_function_arg): Emit a warning if the alignment has changed since
8611         earlier GCC releases.
8612         (arm_function_arg_boundary): Likewise.
8613         (arm_setup_incoming_varargs): Likewise.
8614
8615 2019-01-22  Richard Biener  <rguenther@suse.de>
8616
8617         PR tree-optimization/88862
8618         * graphite-scop-detection.c
8619         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8620
8621 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8622
8623         * doc/extend.tex (AMD GCN Function Attributes): New section.
8624         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8625         * doc/invoke.texi (AMD GCN Options): New section.
8626         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8627
8628 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8629
8630         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8631         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8632
8633 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8634
8635         PR tree-optimization/88044
8636         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8637         is false in the first iteration, but !every_iteration, return false
8638         instead of true with niter->niter zero.
8639
8640         PR rtl-optimization/88904
8641         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8642         any nonequal registers before processing BB_END (b).
8643
8644         PR target/88905
8645         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8646         GET_MODE (op0).
8647         (expand_binop_directly, expand_doubleword_clz,
8648         expand_doubleword_popcount, expand_ctz, expand_ffs,
8649         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8650
8651         PR rtl-optimization/49429
8652         PR target/49454
8653         PR rtl-optimization/86334
8654         PR target/88906
8655         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8656         addressable from here...
8657         (emit_block_op_via_libcall): ... to here.
8658
8659 2019-01-22  Richard Biener  <rguenther@suse.de>
8660
8661         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8662         auto_vec for cost vector to fix memleak.
8663         (vectorize_fold_left_reduction): Properly gather SLP defs.
8664         (vectorizable_comparison): Do not swap operands to properly
8665         gather SLP defs.
8666
8667 2019-01-22  Alan Modra  <amodra@gmail.com>
8668
8669         PR target/88614
8670         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8671         stays a reg.  Allow a const_int.
8672         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8673         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8674         (IS_NOMARK_TLSGETADDR): Define.
8675         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8676         (rs6000_output_tlsargs): New function.
8677         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8678         __tls_get_addr call takes an arg.
8679         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8680         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8681         delete split..
8682         (call_value_nonlocal_sysv): ..or here, delete split.
8683         (tls_gdld_nomark): Delete.
8684         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8685         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8686         (call_value_nonlocal_sysv): Likewise.
8687         (call_value_nonlocal_sysv_secure): Likewise.
8688         (call_value_nonlocal_aix): Likewise.
8689         (call_value_indirect_aix): Likewise.
8690         (call_value_indirect_elfv2): Likewise.
8691         (call_value_local32, call_value_local64): Disable for no-mark tls.
8692         (call_value_local_aix): Likewise.
8693
8694 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8695
8696         PR target/88938
8697         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8698         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8699
8700 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8701
8702         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8703         string contents as hash_map keys.
8704
8705 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8706
8707         PR c/88928
8708         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8709         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8710         instead of TYPE_ALIGN.
8711         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8712         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8713         pointer from TYPE_STUB_DECL.
8714
8715 2019-01-21  Richard Biener  <rguenther@suse.de>
8716
8717         PR tree-optimization/88934
8718         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8719         at the possibly non-constant operand.
8720         (vect_get_constant_vectors): Adjust.
8721
8722 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8723
8724         PR target/71659
8725         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8726         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8727         instead of _X86INTRIN_H_INCLUDED.
8728         * onfig/i386/clwbintrin.h: Likewise.
8729         * config/i386/pkuintrin.h: Likewise.
8730         * config/i386/prfchwintrin.h: Likewise.
8731         * config/i386/rdseedintrin.h: Likewise.
8732         * config/i386/wbnoinvdintrin.h: Likewise.
8733         * config/i386/xsavecintrin.h: Likewise.
8734         * config/i386/xsavesintrin.h: Likewise.
8735         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8736         * config/i386/xsaveintrin.h: Likewise.
8737         * config/i386/xsaveoptintrin.h: Likewise.
8738         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8739         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8740         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8741         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8742         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8743         * config/i386/immintrin.h: Here.
8744
8745 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8746
8747         PR ipa/87615
8748         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8749         with aa_walk_budget.
8750         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8751         aa_walk_budget_p parameter.
8752         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8753         walk.  Updated all callers.
8754         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8755         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8756         unmodified_parm.
8757         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8758         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8759         and to unmodified_parm.
8760         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8761         info, updated call to will_be_nonconstant_expr_predicate.
8762         (param_change_prob): New parameter fbi, limit AA walking.
8763         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8764         calls to various above functions.
8765         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8766         parameter.  Use it to limit AA walking.
8767         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8768         fbi, limit AA walk.
8769         (detect_type_change): New parameter fbi, pass it on to
8770         detect_type_change_from_memory_writes.
8771         (detect_type_change_ssa): Likewise.
8772         (aa_overwalked): Removed.
8773         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8774         accordingly, adjust to the neew AA limiting scheme.
8775         (parm_ref_data_preserved_p): Likewise.
8776         (ipa_compute_jump_functions_for_edge): Adjust call to
8777         get_dynamic_type.
8778         (ipa_analyze_call_uses): Likewise.
8779         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8780         (ipa_analyze_node): Initialize aa_walk_budget.
8781         (ipcp_transform_function): Likewise.
8782         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8783         to get_dynamic_type.
8784
8785 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8786
8787         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8788         outside of #if CHECKING_P code.
8789
8790 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8791
8792         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8793         New function, split out from...
8794         (loop_versioning::analyze_stride): ...here.
8795         (loop_versioning::find_per_loop_multiplication): Use gassign.
8796         (loop_versioning::analyze_term_using_scevs): Return a success code.
8797         (loop_versioning::analyze_arbitrary_term): New function.
8798         (loop_versioning::analyze_address_fragment): Use
8799         analyze_arbitrary_term if all else fails.
8800
8801 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8802
8803         PR target/88892
8804         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8805         operands.
8806
8807 2019-01-18  Richard Biener  <rguenther@suse.de>
8808
8809         PR tree-optimization/88903
8810         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8811         scalar stmts a SLP shift amount is composed of when detecting
8812         shifts by scalars.
8813
8814 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8815
8816         PR target/88799
8817         * config/arm/arm-cpus.in (mp): New feature.
8818         (sec): New feature.
8819         (fgroup ARMv7ve): Add mp and sec features.
8820         (arch armv7-a): Add options to allow mp and sec extensions.
8821         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8822         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8823         extenstions to the base architecture.
8824         (cpu cortex-a8): Add sec extension to the base architecture.
8825         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8826         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8827         variants down to the base v7-a varaint.
8828         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8829         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8830         of permitted extensions for -march=armv7-a and for
8831         -mcpu=generic-armv7-a.
8832
8833 2019-01-18  Martin Liska  <mliska@suse.cz>
8834
8835         * params.def: Fix comment.
8836         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8837         name.
8838         (gimple_gen_ic_func_profiler): Likewise.
8839
8840 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8841
8842         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8843         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8844         and put in error checks for stack protector guard options.
8845         (aarch64_stack_protect_guard): New.
8846         (TARGET_STACK_PROTECT_GUARD): Define.
8847         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8848         (reg_stack_protect_address<mode>): New.
8849         (stack_protect_set): Adjust for SSP_GLOBAL.
8850         (stack_protect_test): Likewise.
8851         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8852         (-mstack-protector-guard): Likewise.
8853         (-mstack-protector-guard-offset): Likewise.
8854
8855 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8856
8857         PR tree-optimization/86214
8858         * tree-inline.h (struct copy_body_data): Add
8859         add_clobbers_to_eh_landing_pads member.
8860         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8861         (copy_edges_for_bb): Call it if EH edge destination is <
8862         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8863         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8864         if flag_stack_reuse != SR_NONE and clear it afterwards.
8865
8866 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8867
8868         PR target/85596
8869         * doc/install.texi (with-multilib-list): Document for aarch64.
8870
8871 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8872
8873         PR target/88734
8874         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8875         (("..."))) with ("...").
8876
8877 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8878
8879         * doc/extend.texi (Built-in Functions for Memory Model Aware
8880         Atomic Operations): Document atomic fetch and nand.
8881
8882 2019-01-18  Martin Liska  <mliska@suse.cz>
8883             Richard Biener  <rguenther@suse.de>
8884
8885         PR middle-end/88587
8886         * cgraph.h (create_version_clone_with_body): Add new argument
8887         with attributes.
8888         * cgraphclones.c (cgraph_node::create_version_clone): Add
8889         DECL_ATTRIBUTES to a newly created decl.  And call
8890         valid_attribute_p so that proper cl_target_optimization_node
8891         is set for the newly created declaration.
8892         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8893         for declaration.
8894         (expand_target_clones): Do not call valid_attribute_p, it must
8895         be already done.
8896         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8897         vector types.
8898
8899 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8900
8901         PR target/88734
8902         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8903         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8904         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8905
8906 2019-01-17  Martin Sebor  <msebor@redhat.com>
8907
8908         PR middle-end/88273
8909         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8910         Handle anti-ranges the same as no range at all.
8911
8912 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8913
8914         * config/aarch64/aarch64.c (cgraph.h): New include.
8915         (intl.h): New include.
8916         (supported_simd_type): New function.
8917         (currently_supported_simd_type): Ditto.
8918         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8919         (aarch64_simd_clone_adjust): Ditto.
8920         (aarch64_simd_clone_usable): Ditto.
8921         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8922         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8923         (TARGET_SIMD_CLONE_USABLE): Ditto.
8924         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8925         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8926         call.
8927
8928 2019-01-17  Martin Sebor  <msebor@redhat.com>
8929
8930         PR tree-optimization/88800
8931         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8932         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8933         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8934         redundant argument.  Add new argument and issue diagnostics under
8935         its control.  Detect out-of-bounds access even with warnings
8936         disabled.
8937         (check_bounds_or_overlap): Change return type.  Add argument.
8938         (wrestrict_dom_walker::check_call): Adjust.
8939         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8940         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8941         check_bounds_or_overlap's return value.
8942         (handle_builtin_stxncpy): Same.
8943         (handle_builtin_strcat): Same.
8944
8945 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8946             Kwok Cheung Yeung  <kcy@codesourcery.com>
8947             Julian Brown  <julian@codesourcery.com>
8948             Tom de Vries  <tom@codesourcery.com>
8949
8950         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8951
8952 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8953
8954         * doc/sourcebuild.texi: Document dg-require-effective-target
8955         llvm_binutils and offload_gcn.
8956
8957 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8958             Kwok Cheung Yeung  <kcy@codesourcery.com>
8959             Julian Brown  <julian@codesourcery.com>
8960             Tom de Vries  <tom@codesourcery.com>
8961
8962         * doc/sourcebuild.texi: Document dg-required-effective-target
8963         exceptions.
8964
8965 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8966             Kwok Cheung Yeung  <kcy@codesourcery.com>
8967             Julian Brown  <julian@codesourcery.com>
8968             Tom de Vries  <tom@codesourcery.com>
8969             Jan Hubicka  <hubicka@ucw.cz>
8970             Martin Jambor  <mjambor@suse.cz>
8971
8972         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8973         * configure.ac: Check for dlopen.
8974         * configure: Regenerate.
8975
8976 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8977             Kwok Cheung Yeung  <kcy@codesourcery.com>
8978             Julian Brown  <julian@codesourcery.com>
8979             Tom de Vries  <tom@codesourcery.com>
8980             Jan Hubicka  <hubicka@ucw.cz>
8981             Martin Jambor  <mjambor@suse.cz>
8982
8983         * common/config/gcn/gcn-common.c: New file.
8984         * config/gcn/driver-gcn.c: New file.
8985         * config/gcn/gcn-builtins.def: New file.
8986         * config/gcn/gcn-hsa.h: New file.
8987         * config/gcn/gcn-modes.def: New file.
8988         * config/gcn/gcn-opts.h: New file.
8989         * config/gcn/gcn-passes.def: New file.
8990         * config/gcn/gcn-protos.h: New file.
8991         * config/gcn/gcn-run.c: New file.
8992         * config/gcn/gcn-tree.c: New file.
8993         * config/gcn/gcn.c: New file.
8994         * config/gcn/gcn.h: New file.
8995         * config/gcn/gcn.opt: New file.
8996         * config/gcn/t-gcn-hsa: New file.
8997
8998 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8999             Kwok Cheung Yeung  <kcy@codesourcery.com>
9000             Julian Brown  <julian@codesourcery.com>
9001             Tom de Vries  <tom@codesourcery.com>
9002             Jan Hubicka  <hubicka@ucw.cz>
9003             Martin Jambor  <mjambor@suse.cz>
9004
9005         * config/gcn/constraints.md: New file.
9006         * config/gcn/gcn-valu.md: New file.
9007         * config/gcn/gcn.md: New file.
9008         * config/gcn/predicates.md: New file.
9009
9010 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9011
9012         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9013         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9014         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9015         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9016
9017 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9018
9019         PR target/88851
9020         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9021         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9022         it and document registers.
9023
9024 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9025
9026         * config/aarch64/aarch64.c (ares_tunings): Define.
9027         * config/aarch64/aarch64-cores.def (ares): Use the above.
9028
9029 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9030
9031         PR target/88794
9032         Revert:
9033         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9034
9035         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9036         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9037         (_mm512_maskz_fixupimm_round_pd): Ditto.
9038         (_mm512_fixupimm_round_ps): Ditto.
9039         (_mm512_maskz_fixupimm_round_ps): Ditto.
9040         (_mm_fixupimm_round_sd): Ditto.
9041         (_mm_maskz_fixupimm_round_sd): Ditto.
9042         (_mm_fixupimm_round_ss): Ditto.
9043         (_mm_maskz_fixupimm_round_ss): Ditto.
9044         (_mm512_fixupimm_pd): Ditto.
9045         (_mm512_maskz_fixupimm_pd): Ditto.
9046         (_mm512_fixupimm_ps): Ditto.
9047         (_mm512_maskz_fixupimm_ps): Ditto.
9048         (_mm_fixupimm_sd): Ditto.
9049         (_mm_maskz_fixupimm_sd): Ditto.
9050         (_mm_fixupimm_ss): Ditto.
9051         (_mm_maskz_fixupimm_ss): Ditto.
9052         (_mm512_mask_fixupimm_round_pd): Update builtin.
9053         (_mm512_mask_fixupimm_round_ps): Ditto.
9054         (_mm_mask_fixupimm_round_sd): Ditto.
9055         (_mm_mask_fixupimm_round_ss): Ditto.
9056         (_mm512_mask_fixupimm_pd): Ditto.
9057         (_mm512_mask_fixupimm_ps): Ditto.
9058         (_mm_mask_fixupimm_sd): Ditto.
9059         (_mm_mask_fixupimm_ss): Ditto.
9060         * config/i386/avx512vlintrin.h:
9061         (_mm256_fixupimm_pd): Update parameters and builtin.
9062         (_mm256_maskz_fixupimm_pd): Ditto.
9063         (_mm256_fixupimm_ps): Ditto.
9064         (_mm256_maskz_fixupimm_ps): Ditto.
9065         (_mm_fixupimm_pd): Ditto.
9066         (_mm_maskz_fixupimm_pd): Ditto.
9067         (_mm_fixupimm_ps): Ditto.
9068         (_mm_maskz_fixupimm_ps): Ditto.
9069         (_mm256_mask_fixupimm_pd): Update builtin.
9070         (_mm256_mask_fixupimm_ps): Ditto.
9071         (_mm_mask_fixupimm_pd): Ditto.
9072         (_mm_mask_fixupimm_ps): Ditto.
9073         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9074         * config/i386/i386-builtin.def: Update builtin definitions.
9075         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9076         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9077         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9078         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9079         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9080         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9081         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9082         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9083         * config/i386/subst.md:
9084         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9085         (round_saeonly_sd_mask_op4): Ditto.
9086         (round_saeonly_expand_operand5): Ditto.
9087         (round_saeonly_expand): Update.
9088
9089 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9090
9091         PR target/88794
9092         Revert:
9093         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9094
9095         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9096         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9097         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9098         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9099         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9100         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9101         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9102
9103 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9104
9105         PR target/88794
9106         Revert:
9107         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9108
9109         PR target/88489
9110         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9111         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9112         instead of UNSPEC_FIXUPIMM.
9113
9114 2019-01-17  Richard Biener  <rguenther@suse.de>
9115
9116         PR lto/86736
9117         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9118         and friends for the LTO part of debug info.
9119
9120 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9121
9122         PR tree-optimization/86214
9123         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9124         if x == y.
9125
9126         PR rtl-optimization/88870
9127         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9128         throw if we can't alter the cfg or delete dead exceptions.
9129         (mark_insn): Don't call find_call_stack_args for such calls.
9130
9131 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9132
9133         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9134         prototypes for vec_st.
9135         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9136         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9137         mainly on signed/unsigned long long and double.
9138
9139 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9140
9141         PR target/88861
9142         * combine.c (delete_noop_moves): Convert to "bool" return,
9143         returning true if any edges are eliminated.
9144         (combine_instructions): Also return true if delete_noop_moves
9145         returns true.
9146
9147 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9148
9149         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9150         correct max nunits for endian swap.
9151         (aarch64_expand_fcmla_builtin): Correct subreg code.
9152         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9153         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9154         lane endianness.
9155
9156 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9157
9158         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9159         Handle split indirect COMPLEX_TYPE arguments.
9160
9161 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9162
9163         PR target/86891
9164         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9165         bit is set by add and compare.
9166         (CC_ADC): New CC_MODE.
9167         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9168         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9169         comparison.  Add detection for CC_ADCmode.
9170         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9171         CC_ADCmode.
9172         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9173         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9174         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9175         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9176         to eliminate the need for zero-extending the operands.
9177         (add<mode>3_compareC_imm): Delete.  Merge into ...
9178         (add<mode>3_compareC): ... this.  Restructure the comparison to
9179         eliminate the need for zero-extending the operands.
9180         (add<mode>3_carryin): Use LTU for the overflow detection.
9181         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9182         Reexpress comparison for overflow.
9183         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9184         (add<mode>3_carryinC): Likewise.
9185         (add<mode>3_carryinV): Use LTU for carry between partials.
9186         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9187         handling of CC_Cmode and add CC_ADCmode.
9188         (aarch64_borrow_operation): Likewise.
9189
9190 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9191
9192         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9193         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9194         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9195         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9196
9197 2019-01-16  Martin Liska  <mliska@suse.cz>
9198
9199         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9200         for GCC driver.
9201         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9202         a new argument.
9203         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9204         (path_prefix_reset): Move up in the source file.
9205         (find_fortran_preinclude_file): Make complex search for the
9206         fortran header files.
9207
9208 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9209
9210         * godump.c (go_output_typedef): When outputting a typedef, refer
9211         to the underlying type by its name and not its structure.
9212
9213 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9214
9215         PR c++/88795
9216         * tree.c (build_function_type): Assert that arg_types is not
9217         error_mark_node.
9218
9219 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9220
9221         PR inline-asm/52813
9222         * doc/extend.texi: Document that listing the stack pointer in the
9223         clobber list of an asm is a deprecated feature.
9224         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9225         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9226         warning instead of an error for clobbers of the stack pointer.
9227         Add a note explaining why.
9228
9229 2019-01-15  Richard Biener  <rguenther@suse.de>
9230
9231         PR debug/88046
9232         * dwarf2out.c (gen_member_die): Do not generate inheritance
9233         DIEs late.
9234
9235 2019-01-15  Richard Biener  <rguenther@suse.de>
9236
9237         PR tree-optimization/88855
9238         * tree-if-conv.c (combine_blocks): Collect
9239         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9240
9241 2019-01-15  Tom de Vries  <tdevries@suse.de>
9242
9243         PR target/80547
9244         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9245         lhs == NULL_TREE for gang-level reduction.
9246
9247 2019-01-15  Richard Biener  <rguenther@suse.de>
9248             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9249
9250         PR ipa/88788
9251         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9252         return true if SSA_NAME is already marked in visited bitmap.
9253         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9254
9255 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9256
9257         PR tree-optimization/88775
9258         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9259         equal == 0 equality pointer comparisons some more if compared in
9260         integral types and either one points to an automatic var and the
9261         other to a global, or we can prove at least one points to the middle
9262         or both point to start or both point to end.
9263
9264 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9265
9266         * Makefile.in: Lower autofdo sampling rate by 10x.
9267         * Makefile.tpl: Dito.
9268
9269 2019-01-14  Tom Honermann  <tom@honermann.net>
9270
9271         * defaults.h: Define CHAR8_TYPE.
9272
9273 2019-01-14  Martin Sebor  <msebor@redhat.com>
9274
9275         PR target/88638
9276         * doc/extend.texi (Darwin Format Checks): Clarify.
9277
9278 2019-01-14  Richard Biener  <rguenther@suse.de>
9279
9280         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9281         whether we are in (simplify ...) or (match ...) context.
9282
9283 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9284
9285         PR rtl-optimization/88796
9286         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9287         * cfgexpand.c (stack_protect_prologue): Initialize
9288         crtl->stack_protect_guard_decl.
9289         * function.c (stack_protect_epilogue): Use it instead of calling
9290         targetm.stack_protect_guard again.
9291         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9292         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9293         crtl->stack_protect_guard_decl.
9294         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9295         on the returned MEM_EXPR.
9296
9297 2019-01-12  Tom de Vries  <tdevries@suse.de>
9298
9299         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9300         vector length using -fopenacc-dim.
9301
9302 2019-01-12  Tom de Vries  <tdevries@suse.de>
9303
9304         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9305         lengths into account.
9306
9307 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9308
9309         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9310         (TARGET_CAN_SPLIT_STACK): Define.
9311         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9312
9313 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9314
9315         * params.def (inline-unit-growth): Set to 40.
9316
9317 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9318
9319         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9320
9321 2019-01-12  Tom de Vries  <tdevries@suse.de>
9322
9323         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9324         region calling vector-partitionable routine, set default_vector_length
9325         to WARP_SIZE.
9326
9327 2019-01-12  Tom de Vries  <tdevries@suse.de>
9328
9329         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9330         variable default_vector_length.
9331
9332 2019-01-12  Tom de Vries  <tdevries@suse.de>
9333
9334         PR middle-end/88703
9335         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9336         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9337         dimensions limits.
9338
9339 2019-01-12  Tom de Vries  <tdevries@suse.de>
9340
9341         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9342         (nvptx_goacc_validate_dims): Add used parameter.
9343         * doc/tm.texi: Regenerate.
9344         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9345         argument to call to targetm.goacc.validate_dims.
9346         (default_goacc_validate_dims): Add used
9347         parameter.
9348         * target.def (validate_dims): Add used parameter in DEFHOOK.
9349         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9350
9351 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9352
9353         PR middle-end/85956
9354         PR lto/88733
9355         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9356         field.
9357         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9358         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9359         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9360         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9361
9362 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9363
9364         PR rtl-optimization/87305
9365         * lra-assigns.c
9366         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9367         for little endian pseudos used as paradoxical subreg.
9368
9369 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9370
9371         PR tree-optimization/88693
9372         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9373         for STRING_CSTs that don't contain any NUL characters in the first
9374         TREE_STRING_LENGTH bytes.
9375
9376 2019-01-11  Alan Modra  <amodra@gmail.com>
9377
9378         PR 88777
9379         PR 88614
9380         * genattrtab.c (min_fn): Don't translate values.
9381         (min_attr_value): Return INT_MAX when the value can't be calculated.
9382         Return minimum among any values that can be calculated.
9383         (max_attr_value): Adjust.
9384
9385 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9386
9387         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9388
9389 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9390
9391         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9392         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9393         (aarch64_return_call_with_max_clobbers): New function.
9394         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9395         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9396         argument.
9397         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9398         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9399         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9400         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9401         * cselib.c (cselib_process_insn): Add argument to
9402         targetm.hard_regno_call_part_clobbered call.
9403         * ira-conflicts.c (ira_build_conflicts): Ditto.
9404         * ira-costs.c (ira_tune_allocno_costs): Ditto.
9405         * lra-constraints.c (inherit_reload_reg): Ditto.
9406         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9407         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9408         argument.  Call targetm.return_call_with_max_clobbers.
9409         Add argument to targetm.hard_regno_call_part_clobbered call.
9410         (calls_have_same_clobbers_p): New function.
9411         (process_bb_lives): Add call_insn and last_call_insn variables.
9412         Pass call_insn to check_pseudos_live_through_calls.
9413         Modify if stmt to check targetm.return_call_with_max_clobbers.
9414         Update setting of flush variable.
9415         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9416         to false.
9417         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9418         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9419         targetm.hard_regno_call_part_clobbered call.
9420         * reginfo.c (choose_hard_reg_mode): Ditto.
9421         * regrename.c (check_new_reg_p): Ditto.
9422         * reload.c (find_equiv_reg): Ditto.
9423         * reload1.c (emit_reload_insns): Ditto.
9424         * sched-deps.c (deps_analyze_insn): Ditto.
9425         * sel-sched.c (init_regs_for_mode): Ditto.
9426         (mark_unavailable_hard_regs): Ditto.
9427         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9428         * target.def (hard_regno_call_part_clobbered): Add insn argument.
9429         (return_call_with_max_clobbers): New target function.
9430         * doc/tm.texi: Regenerate.
9431         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9432         * hooks.c (hook_bool_uint_mode_false): Change to
9433         hook_bool_insn_uint_mode_false.
9434         * hooks.h (hook_bool_uint_mode_false): Ditto.
9435
9436 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9437
9438         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9439         (aarch64_remove_extra_call_preserved_regs): New function.
9440         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9441         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9442         * doc/tm.texi: Regenerate.
9443         * final.c (get_call_reg_set_usage): Call new hook.
9444         * target.def (remove_extra_call_preserved_regs): New hook.
9445         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9446         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9447
9448 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9449
9450         PR bootstrap/88714
9451         * passes.c (finish_optimization_passes): Call print_combine_total_stats
9452         inside of pass_combine_1 dump rather than pass_profile_1.
9453
9454 2019-01-11  Tom de Vries  <tdevries@suse.de>
9455
9456         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9457         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9458         (PTX_NUM_PER_WORKER_BARRIERS): Define.
9459         (nvptx_apply_dim_limits): Prevent vector_length 64 and
9460         num_workers 16.
9461
9462 2019-01-11  Tom de Vries  <tdevries@suse.de>
9463
9464         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9465
9466 2019-01-11  Jan Beulich  <jbeulich@suse.com>
9467
9468         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9469         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9470         sse2_cvtsi2sd): Add {l}.
9471         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9472         syntax.
9473
9474 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9475
9476         PR target/88785
9477         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9478         define_expand.
9479         (*float<floatunssuffix>v2div2sf2): New define_insn.
9480         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9481         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9482         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9483         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9484         match_operands with "const0_operand" "C".
9485
9486 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9487
9488         * config/aarch64/aarch64-builtins.c
9489         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9490         (aarch64_init_simd_builtins): ...Here
9491
9492 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9493
9494         PR rtl-optimization/87305
9495         * lra-assigns.c
9496         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9497         allocation for big endian pseudos used as paradoxical subregs and
9498         spill them if it is wrong.
9499         * lra-constraints.c (lra_constraints): Add a comment.
9500
9501 2019-01-10  Richard Biener  <rguenther@suse.de>
9502
9503         PR tree-optimization/88792
9504         * tree-ssa-pre.c (get_representative_for): Do not return a
9505         value-number here.
9506
9507 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9508
9509         PR middle-end/84877
9510         PR bootstrap/88450
9511         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9512         (assign_parm_setup_block): Do the argument slot realignment here
9513         instead.
9514
9515 2019-01-10  Stefan Agner  <stefan@agner.ch>
9516
9517         PR target/88648
9518         * config/arm/arm.c (arm_option_override_internal): Force
9519         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9520
9521 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9522
9523         PR c/88568
9524         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9525         DECL_EXTERNAL.
9526
9527 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9528
9529         * config/arm/arm-builtins.c
9530         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9531         (MAC_LANE_PAIR_QUALIFIERS): New.
9532         (arm_expand_builtin_args): Use it.
9533         (arm_expand_builtin_1): Likewise.
9534         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9535         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9536         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9537         * config/arm/arm_neon.h:
9538         (vcadd_rot90_f16): New.
9539         (vcaddq_rot90_f16): New.
9540         (vcadd_rot270_f16): New.
9541         (vcaddq_rot270_f16): New.
9542         (vcmla_f16): New.
9543         (vcmlaq_f16): New.
9544         (vcmla_lane_f16): New.
9545         (vcmla_laneq_f16): New.
9546         (vcmlaq_lane_f16): New.
9547         (vcmlaq_laneq_f16): New.
9548         (vcmla_rot90_f16): New.
9549         (vcmlaq_rot90_f16): New.
9550         (vcmla_rot90_lane_f16): New.
9551         (vcmla_rot90_laneq_f16): New.
9552         (vcmlaq_rot90_lane_f16): New.
9553         (vcmlaq_rot90_laneq_f16): New.
9554         (vcmla_rot180_f16): New.
9555         (vcmlaq_rot180_f16): New.
9556         (vcmla_rot180_lane_f16): New.
9557         (vcmla_rot180_laneq_f16): New.
9558         (vcmlaq_rot180_lane_f16): New.
9559         (vcmlaq_rot180_laneq_f16): New.
9560         (vcmla_rot270_f16): New.
9561         (vcmlaq_rot270_f16): New.
9562         (vcmla_rot270_lane_f16): New.
9563         (vcmla_rot270_laneq_f16): New.
9564         (vcmlaq_rot270_lane_f16): New.
9565         (vcmlaq_rot270_laneq_f16): New.
9566         (vcadd_rot90_f32): New.
9567         (vcaddq_rot90_f32): New.
9568         (vcadd_rot270_f32): New.
9569         (vcaddq_rot270_f32): New.
9570         (vcmla_f32): New.
9571         (vcmlaq_f32): New.
9572         (vcmla_lane_f32): New.
9573         (vcmla_laneq_f32): New.
9574         (vcmlaq_lane_f32): New.
9575         (vcmlaq_laneq_f32): New.
9576         (vcmla_rot90_f32): New.
9577         (vcmlaq_rot90_f32): New.
9578         (vcmla_rot90_lane_f32): New.
9579         (vcmla_rot90_laneq_f32): New.
9580         (vcmlaq_rot90_lane_f32): New.
9581         (vcmlaq_rot90_laneq_f32): New.
9582         (vcmla_rot180_f32): New.
9583         (vcmlaq_rot180_f32): New.
9584         (vcmla_rot180_lane_f32): New.
9585         (vcmla_rot180_laneq_f32): New.
9586         (vcmlaq_rot180_lane_f32): New.
9587         (vcmlaq_rot180_laneq_f32): New.
9588         (vcmla_rot270_f32): New.
9589         (vcmlaq_rot270_f32): New.
9590         (vcmla_rot270_lane_f32): New.
9591         (vcmla_rot270_laneq_f32): New.
9592         (vcmlaq_rot270_lane_f32): New.
9593         (vcmlaq_rot270_laneq_f32): New.
9594         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9595         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9596         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9597         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9598         vcmlaq_lane270): New.
9599         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9600         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9601         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9602         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9603         (arm_option_reconfigure_globals): Use them.
9604         * config/arm/iterators.md (VDF, VQ_HSF): New.
9605         (VCADD, VCMLA): New.
9606         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9607         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9608         New.
9609         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9610         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9611
9612 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9613
9614         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9615         Add qualifier_lane_pair_index.
9616         (emit-rtl.h): Include.
9617         (TYPES_QUADOP_LANE_PAIR): New.
9618         (aarch64_simd_expand_args): Use it.
9619         (aarch64_simd_expand_builtin): Likewise.
9620         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9621         New.
9622         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9623         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9624         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9625         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9626         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9627         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9628         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9629         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9630         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9631         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9632         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9633         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9634         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9635         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9636         Add __ARM_FEATURE_COMPLEX.
9637         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9638         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9639         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9640         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9641         fcmlaq_lane270): New.
9642         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9643         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9644         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9645         * config/aarch64/arm_neon.h:
9646         (vcadd_rot90_f16): New.
9647         (vcaddq_rot90_f16): New.
9648         (vcadd_rot270_f16): New.
9649         (vcaddq_rot270_f16): New.
9650         (vcmla_f16): New.
9651         (vcmlaq_f16): New.
9652         (vcmla_lane_f16): New.
9653         (vcmla_laneq_f16): New.
9654         (vcmlaq_lane_f16): New.
9655         (vcmlaq_rot90_lane_f16): New.
9656         (vcmla_rot90_laneq_f16): New.
9657         (vcmla_rot90_lane_f16): New.
9658         (vcmlaq_rot90_f16): New.
9659         (vcmla_rot90_f16): New.
9660         (vcmlaq_laneq_f16): New.
9661         (vcmla_rot180_laneq_f16): New.
9662         (vcmla_rot180_lane_f16): New.
9663         (vcmlaq_rot180_f16): New.
9664         (vcmla_rot180_f16): New.
9665         (vcmlaq_rot90_laneq_f16): New.
9666         (vcmlaq_rot270_laneq_f16): New.
9667         (vcmlaq_rot270_lane_f16): New.
9668         (vcmla_rot270_laneq_f16): New.
9669         (vcmlaq_rot270_f16): New.
9670         (vcmla_rot270_f16): New.
9671         (vcmlaq_rot180_laneq_f16): New.
9672         (vcmlaq_rot180_lane_f16): New.
9673         (vcmla_rot270_lane_f16): New.
9674         (vcadd_rot90_f32): New.
9675         (vcaddq_rot90_f32): New.
9676         (vcaddq_rot90_f64): New.
9677         (vcadd_rot270_f32): New.
9678         (vcaddq_rot270_f32): New.
9679         (vcaddq_rot270_f64): New.
9680         (vcmla_f32): New.
9681         (vcmlaq_f32): New.
9682         (vcmlaq_f64): New.
9683         (vcmla_lane_f32): New.
9684         (vcmla_laneq_f32): New.
9685         (vcmlaq_lane_f32): New.
9686         (vcmlaq_laneq_f32): New.
9687         (vcmla_rot90_f32): New.
9688         (vcmlaq_rot90_f32): New.
9689         (vcmlaq_rot90_f64): New.
9690         (vcmla_rot90_lane_f32): New.
9691         (vcmla_rot90_laneq_f32): New.
9692         (vcmlaq_rot90_lane_f32): New.
9693         (vcmlaq_rot90_laneq_f32): New.
9694         (vcmla_rot180_f32): New.
9695         (vcmlaq_rot180_f32): New.
9696         (vcmlaq_rot180_f64): New.
9697         (vcmla_rot180_lane_f32): New.
9698         (vcmla_rot180_laneq_f32): New.
9699         (vcmlaq_rot180_lane_f32): New.
9700         (vcmlaq_rot180_laneq_f32): New.
9701         (vcmla_rot270_f32): New.
9702         (vcmlaq_rot270_f32): New.
9703         (vcmlaq_rot270_f64): New.
9704         (vcmla_rot270_lane_f32): New.
9705         (vcmla_rot270_laneq_f32): New.
9706         (vcmlaq_rot270_lane_f32): New.
9707         (vcmlaq_rot270_laneq_f32): New.
9708         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9709         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9710         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9711         (FCADD, FCMLA): New.
9712         (rot): New.
9713         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9714
9715 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9716
9717         PR other/16615
9718
9719         * config/pa/pa.c: Change "can not" to "cannot".
9720         * gimple-ssa-evrp-analyze.c: Likewise.
9721         * ipa-icf.c: Likewise.
9722         * ipa-polymorphic-call.c: Likewise.
9723         * ipa-pure-const.c: Likewise.
9724         * lra-constraints.c: Likewise.
9725         * lra-remat.c: Likewise.
9726         * reload1.c: Likewise.
9727         * reorg.c: Likewise.
9728         * tree-ssa-uninit.c: Likewise.
9729
9730 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9731
9732         PR other/16615
9733
9734         * Makefile.in: Mechanically replace "can not" with "cannot".
9735         * alias.c: Likewise.
9736         * builtins.c: Likewise.
9737         * calls.c: Likewise.
9738         * cgraph.c: Likewise.
9739         * cgraph.h: Likewise.
9740         * cgraphclones.c: Likewise.
9741         * cgraphunit.c: Likewise.
9742         * combine-stack-adj.c: Likewise.
9743         * combine.c: Likewise.
9744         * common/config/i386/i386-common.c: Likewise.
9745         * config/aarch64/aarch64.c: Likewise.
9746         * config/alpha/sync.md: Likewise.
9747         * config/arc/arc.c: Likewise.
9748         * config/arc/predicates.md: Likewise.
9749         * config/arm/arm-c.c: Likewise.
9750         * config/arm/arm.c: Likewise.
9751         * config/arm/arm.h: Likewise.
9752         * config/arm/arm.md: Likewise.
9753         * config/arm/cortex-r4f.md: Likewise.
9754         * config/csky/csky.c: Likewise.
9755         * config/csky/csky.h: Likewise.
9756         * config/darwin-f.c: Likewise.
9757         * config/epiphany/epiphany.md: Likewise.
9758         * config/i386/i386.c: Likewise.
9759         * config/i386/sol2.h: Likewise.
9760         * config/m68k/m68k.c: Likewise.
9761         * config/mcore/mcore.h: Likewise.
9762         * config/microblaze/microblaze.md: Likewise.
9763         * config/mips/20kc.md: Likewise.
9764         * config/mips/sb1.md: Likewise.
9765         * config/nds32/nds32.c: Likewise.
9766         * config/nds32/predicates.md: Likewise.
9767         * config/pa/pa.c: Likewise.
9768         * config/rs6000/e300c2c3.md: Likewise.
9769         * config/rs6000/rs6000.c: Likewise.
9770         * config/s390/s390.h: Likewise.
9771         * config/sh/sh.c: Likewise.
9772         * config/sh/sh.md: Likewise.
9773         * config/spu/vmx2spu.h: Likewise.
9774         * cprop.c: Likewise.
9775         * dbxout.c: Likewise.
9776         * df-scan.c: Likewise.
9777         * doc/cfg.texi: Likewise.
9778         * doc/extend.texi: Likewise.
9779         * doc/fragments.texi: Likewise.
9780         * doc/gty.texi: Likewise.
9781         * doc/invoke.texi: Likewise.
9782         * doc/lto.texi: Likewise.
9783         * doc/md.texi: Likewise.
9784         * doc/objc.texi: Likewise.
9785         * doc/rtl.texi: Likewise.
9786         * doc/tm.texi: Likewise.
9787         * dse.c: Likewise.
9788         * emit-rtl.c: Likewise.
9789         * emit-rtl.h: Likewise.
9790         * except.c: Likewise.
9791         * expmed.c: Likewise.
9792         * expr.c: Likewise.
9793         * fold-const.c: Likewise.
9794         * genautomata.c: Likewise.
9795         * gimple-fold.c: Likewise.
9796         * hard-reg-set.h: Likewise.
9797         * ifcvt.c: Likewise.
9798         * ipa-comdats.c: Likewise.
9799         * ipa-cp.c: Likewise.
9800         * ipa-devirt.c: Likewise.
9801         * ipa-fnsummary.c: Likewise.
9802         * ipa-icf.c: Likewise.
9803         * ipa-inline-transform.c: Likewise.
9804         * ipa-inline.c: Likewise.
9805         * ipa-polymorphic-call.c: Likewise.
9806         * ipa-profile.c: Likewise.
9807         * ipa-prop.c: Likewise.
9808         * ipa-pure-const.c: Likewise.
9809         * ipa-reference.c: Likewise.
9810         * ipa-split.c: Likewise.
9811         * ipa-visibility.c: Likewise.
9812         * ipa.c: Likewise.
9813         * ira-build.c: Likewise.
9814         * ira-color.c: Likewise.
9815         * ira-conflicts.c: Likewise.
9816         * ira-costs.c: Likewise.
9817         * ira-int.h: Likewise.
9818         * ira-lives.c: Likewise.
9819         * ira.c: Likewise.
9820         * ira.h: Likewise.
9821         * loop-invariant.c: Likewise.
9822         * loop-unroll.c: Likewise.
9823         * lower-subreg.c: Likewise.
9824         * lra-assigns.c: Likewise.
9825         * lra-constraints.c: Likewise.
9826         * lra-eliminations.c: Likewise.
9827         * lra-lives.c: Likewise.
9828         * lra-remat.c: Likewise.
9829         * lra-spills.c: Likewise.
9830         * lra.c: Likewise.
9831         * lto-cgraph.c: Likewise.
9832         * lto-streamer-out.c: Likewise.
9833         * postreload-gcse.c: Likewise.
9834         * predict.c: Likewise.
9835         * profile-count.h: Likewise.
9836         * profile.c: Likewise.
9837         * recog.c: Likewise.
9838         * ree.c: Likewise.
9839         * reload.c: Likewise.
9840         * reload1.c: Likewise.
9841         * reorg.c: Likewise.
9842         * resource.c: Likewise.
9843         * rtl.def: Likewise.
9844         * rtl.h: Likewise.
9845         * rtlanal.c: Likewise.
9846         * sched-deps.c: Likewise.
9847         * sched-ebb.c: Likewise.
9848         * sched-rgn.c: Likewise.
9849         * sel-sched-ir.c: Likewise.
9850         * sel-sched.c: Likewise.
9851         * shrink-wrap.c: Likewise.
9852         * simplify-rtx.c: Likewise.
9853         * symtab.c: Likewise.
9854         * target.def: Likewise.
9855         * toplev.c: Likewise.
9856         * tree-call-cdce.c: Likewise.
9857         * tree-cfg.c: Likewise.
9858         * tree-complex.c: Likewise.
9859         * tree-core.h: Likewise.
9860         * tree-eh.c: Likewise.
9861         * tree-inline.c: Likewise.
9862         * tree-loop-distribution.c: Likewise.
9863         * tree-nrv.c: Likewise.
9864         * tree-profile.c: Likewise.
9865         * tree-sra.c: Likewise.
9866         * tree-ssa-alias.c: Likewise.
9867         * tree-ssa-dce.c: Likewise.
9868         * tree-ssa-dom.c: Likewise.
9869         * tree-ssa-forwprop.c: Likewise.
9870         * tree-ssa-loop-im.c: Likewise.
9871         * tree-ssa-loop-ivcanon.c: Likewise.
9872         * tree-ssa-loop-ivopts.c: Likewise.
9873         * tree-ssa-loop-niter.c: Likewise.
9874         * tree-ssa-phionlycprop.c: Likewise.
9875         * tree-ssa-phiopt.c: Likewise.
9876         * tree-ssa-propagate.c: Likewise.
9877         * tree-ssa-threadedge.c: Likewise.
9878         * tree-ssa-threadupdate.c: Likewise.
9879         * tree-ssa-uninit.c: Likewise.
9880         * tree-ssanames.c: Likewise.
9881         * tree-streamer-out.c: Likewise.
9882         * tree.c: Likewise.
9883         * tree.h: Likewise.
9884         * vr-values.c: Likewise.
9885
9886 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9887
9888         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9889         (ix86_split_xorsign): Ditto.
9890         * config/i386/i386.c (ix86_expand_xorsign): New function.
9891         (ix86_split_xorsign): Ditto.
9892         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9893         (xorsign<mode>3): New expander.
9894         (xorsign<mode>3_1): New insn_and_split pattern.
9895         * config/i386/sse.md (xorsign<mode>3): New expander.
9896
9897 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9898
9899         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9900         (*tablejump_sp64): Likewise.
9901         (*tablejump<P:mode>): ...this.
9902         (*call_address_sp32): Merge into...
9903         (*call_address_sp64): Likewise.
9904         (*call_address<P:mode>): ...this.
9905         (*call_symbolic_sp32): Merge into...
9906         (*call_symbolic_sp64): Likewise.
9907         (*call_symbolic<P:mode>): ...this.
9908         (call_value): Remove constraint and add predicate.
9909         (*call_value_address_sp32): Merge into...
9910         (*call_value_address_sp64): Likewise.
9911         (*call_value_address<P:mode>): ...this.
9912         (*call_value_symbolic_sp32): Merge into...
9913         (*call_value_symbolic_sp64): Likewise.
9914         (*call_value_symbolic<P:mode>): ...this.
9915         (*sibcall_symbolic_sp32): Merge into...
9916         (*sibcall_symbolic_sp64): Likewise.
9917         (*sibcall_symbolic<P:mode>): ...this.
9918         (sibcall_value): Remove constraint and add predicate.
9919         (*sibcall_value_symbolic_sp32): Merge into...
9920         (*sibcall_value_symbolic_sp64): Likewise.
9921         (*sibcall_value_symbolic<P:mode>): ...this.
9922         (window_save): Minor tweak.
9923         (*branch_sp32): Merge into...
9924         (*branch_sp64): Likewise.
9925         (*branch<P:mode>): ...this.
9926
9927 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9928             James Clarke  <jrtc27@jrtc27.com>
9929
9930         PR target/84010
9931         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9932         consistently in TLS address generation and adjust code to the renaming
9933         of patterns.  Mark calls to __tls_get_addr as const.
9934         * config/sparc/sparc.md (tgd_hi22): Turn into...
9935         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9936         (tgd_lo10): Turn into...
9937         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9938         (tgd_add32): Merge into...
9939         (tgd_add64): Likewise.
9940         (tgd_add<P:mode>): ...this and use Pmode throughout.
9941         (tldm_hi22): Turn into...
9942         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9943         (tldm_lo10): Turn into...
9944         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9945         (tldm_add32): Merge into...
9946         (tldm_add64): Likewise.
9947         (tldm_add<P:mode>): ...this and use Pmode throughout.
9948         (tldm_call32): Merge into...
9949         (tldm_call64): Likewise.
9950         (tldm_call<P:mode>): ...this and use Pmode throughout.
9951         (tldo_hix22): Turn into...
9952         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9953         (tldo_lox10): Turn into...
9954         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9955         (tldo_add32): Merge into...
9956         (tldo_add64): Likewise.
9957         (tldo_add<P:mode>): ...this and use Pmode throughout.
9958         (tie_hi22): Turn into...
9959         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9960         (tie_lo10): Turn into...
9961         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9962         (tie_ld64): Use DImode throughout.
9963         (tie_add32): Merge into...
9964         (tie_add64): Likewise.
9965         (tie_add<P:mode>): ...this and use Pmode throughout.
9966         (tle_hix22_sp32): Merge into...
9967         (tle_hix22_sp64): Likewise.
9968         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9969         (tle_lox22_sp32): Merge into...
9970         (tle_lox22_sp64): Likewise.
9971         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9972         (*tldo_ldub_sp32): Merge into...
9973         (*tldo_ldub_sp64): Likewise.
9974         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9975         (*tldo_ldub1_sp32): Merge into...
9976         (*tldo_ldub1_sp64): Likewise.
9977         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9978         (*tldo_ldub2_sp32): Merge into...
9979         (*tldo_ldub2_sp64): Likewise.
9980         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9981         (*tldo_ldsb1_sp32): Merge into...
9982         (*tldo_ldsb1_sp64): Likewise.
9983         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9984         (*tldo_ldsb2_sp32): Merge into...
9985         (*tldo_ldsb2_sp64): Likewise.
9986         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9987         (*tldo_ldub3_sp64): Use DImode throughout.
9988         (*tldo_ldsb3_sp64): Likewise.
9989         (*tldo_lduh_sp32): Merge into...
9990         (*tldo_lduh_sp64): Likewise.
9991         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9992         (*tldo_lduh1_sp32): Merge into...
9993         (*tldo_lduh1_sp64): Likewise.
9994         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9995         (*tldo_ldsh1_sp32): Merge into...
9996         (*tldo_ldsh1_sp64): Likewise.
9997         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9998         (*tldo_lduh2_sp64): Use DImode throughout.
9999         (*tldo_ldsh2_sp64): Likewise.
10000         (*tldo_lduw_sp32): Merge into...
10001         (*tldo_lduw_sp64): Likewise.
10002         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10003         (*tldo_lduw1_sp64): Use DImode throughout.
10004         (*tldo_ldsw1_sp64): Likewise.
10005         (*tldo_ldx_sp64): Likewise.
10006         (*tldo_stb_sp32): Merge into...
10007         (*tldo_stb_sp64): Likewise.
10008         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10009         (*tldo_sth_sp32): Merge into...
10010         (*tldo_sth_sp64): Likewise.
10011         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10012         (*tldo_stw_sp32): Merge into...
10013         (*tldo_stw_sp64): Likewise.
10014         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10015         (*tldo_stx_sp64): Use DImode throughout.
10016
10017 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10018
10019         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10020         check configure option to set BTI and Return Address Signing.
10021         * configure.ac: Add --enable-standard-branch-protection and
10022         --disable-standard-branch-protection.
10023         * configure: Regenerated.
10024         * doc/install.texi: Document the same.
10025
10026 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10027             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10028
10029         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10030         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10031         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10032         if bti is enabled.
10033         * config/aarch64/aarch64-bti-insert.c: New file.
10034         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10035         pass.
10036         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10037         new bti pass.
10038         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10039         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10040         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10041         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10042
10043 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10044
10045         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10046         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10047         Disable bti for -mbranch-protection=none.
10048         (aarch64_handle_standard_branch_protection): Enable bti for
10049         -mbranch-protection=standard.
10050         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10051         -mbranch-protection.
10052         (aarch64_bti_enabled): Check if bti is enabled.
10053         * config/aarch64/aarch64.opt: Declare target variable.
10054         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10055
10056 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10057
10058         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10059         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10060         (aarch64_expand_epilogue): Likewise.
10061         (aarch64_output_mi_thunk): Likewise
10062         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10063         TAILCALL_ADDR_REGS to x16 and x17.
10064         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10065
10066 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10067
10068         * config/aarch64/aarch64-option-extensions.def: Define
10069         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10070         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10071         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10072         (AARCH64_FL_PREDRES): New.
10073         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10074         AARCH64_FL_PREDRES by default.
10075         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10076
10077 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10078
10079         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10080         ARMv8.5-A.
10081         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10082         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10083         * doc/invoke.texi: Document ARMv8.5-A.
10084
10085 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10086
10087         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10088         (xorsign<mode>3): Likewise.
10089
10090 2019-01-09  Jelinek  <jakub@redhat.com>
10091
10092         PR middle-end/88758
10093         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10094         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10095
10096         PR rtl-optimization/88331
10097         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10098         not currently_expanding_to_rtl.
10099
10100 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10101
10102         * doc/invoke.texi (-Os): Remove trailing spaces.
10103         (-finline-functions): Remove reference to -O2.
10104
10105 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10106
10107         PR rtl-optimization/79593
10108         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10109
10110         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10111         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10112
10113 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10114
10115         PR bootstrap/88721
10116         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10117         to -1 on entry.
10118
10119         PR debug/88723
10120         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10121         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10122
10123 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10124
10125         PR target/88717
10126         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10127         ix86_avx_u128_mode_entry.
10128
10129 2019-01-08  Martin Liska  <mliska@suse.cz>
10130
10131         PR tree-optimization/88753
10132         * tree-switch-conversion.c (switch_conversion::build_one_array):
10133         Come up with local variable constructor.  Convert first to
10134         type of constructor values.
10135
10136 2019-01-08  Richard Biener  <rguenther@suse.de>
10137
10138         PR tree-optimization/86554
10139         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10140         rpo_avail): Move earlier.
10141         (visit_nary_op): When value-numbering to expressions
10142         with different overflow behavior make sure there's an
10143         available expression on the path.
10144
10145 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10146
10147         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10148         aarch64_parse_branch_protection,
10149         struct aarch64_branch_protect_type,
10150         aarch64_handle_no_branch_protection,
10151         aarch64_handle_standard_branch_protection,
10152         aarch64_validate_mbranch_protection,
10153         aarch64_handle_pac_ret_protection,
10154         aarch64_handle_attr_branch_protection,
10155         accepted_branch_protection_string,
10156         aarch64_pac_ret_subtypes,
10157         aarch64_branch_protect_types,
10158         aarch64_handle_pac_ret_leaf): Define.
10159         (aarch64_override_options_after_change_1, aarch64_override_options):
10160         Add check for accepted_branch_protection_string.
10161         (aarch64_option_save): Save accepted_branch_protection_string.
10162         (aarch64_option_restore): Save accepted_branch_protection_string.
10163         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10164         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10165         msign-return-address.
10166         * doc/invoke.texi: Add mbranch-protection.
10167
10168 2019-01-08  Alan Modra  <amodra@gmail.com>
10169
10170         PR target/88614
10171         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10172         Delete "unknownp" parameter.  Adjust callers.  Handle
10173         CONST_INT, PLUS, MINUS, and MULT.
10174         (attr_value_aligned): Renamed from or_attr_value.
10175         (min_attr_value): Return INT_MIN for unhandled rtl case..
10176         (min_fn): ..and translate to INT_MAX here.
10177         (write_length_unit_log): Modify to cope without "unknown".
10178         (write_attr_value): Handle IF_THEN_ELSE.
10179
10180 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10181
10182         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10183         optimization for masked stores.
10184
10185 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10186
10187         PR middle-end/88567
10188         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10189         output vector directly to duplicate_and_interleave instead of
10190         going through a temporary.  Postpone insertion of ctor_seq to
10191         the end of the loop.
10192
10193 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10194
10195         PR target/86891
10196         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10197         unsigned_p.  Handle signed and unsigned overflow correction as
10198         required.
10199         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10200         prototype.
10201         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10202         for operand 2.
10203         (add<mode>3_compareV_imm): Make this callable for expanding.
10204         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10205         aarch64_plus_operand for operand 2.
10206         (subv<GPI:mode>_insn): New insn pattern.
10207         (subv<GPI:mode>_imm): Likewise.
10208         (negv<GPI:mode>3): New expand pattern.
10209         (negv<GPI:mode>_insn): New insn pattern.
10210         (negv<GPI:mode>_cmp_only): Likewise.
10211         (cmpv<GPI:mode>_insn): Likewise.
10212         (subvti4): Use register_operand for operand 1.  Update call to
10213         aarch64_expand_subvti.
10214         (usubvti4): Likewise.
10215         (negvti3): New expand pattern.
10216         (negdi_carryout): New insn pattern.
10217         (negvdi_carryinV): New insn pattern.
10218         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10219         version the named version.
10220         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10221         operands.
10222         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10223         patterns.
10224         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10225         patterns.
10226         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10227         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10228         (sub<mode>3_carryinCV): Delete.
10229         (sub<GPI:mode>3_carryinV): New expand pattern.
10230         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10231
10232 2019-01-07  Richard Biener  <rguenther@suse.de>
10233
10234         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10235         of tree_operand_hash.
10236
10237 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10238
10239         PR tree-optimization/88598
10240         * tree.h (single_nonzero_element): Declare.
10241         * tree.c (single_nonzero_element): New function.
10242         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10243         if I is the only nonzero element of CST.
10244
10245 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10246
10247         PR tree-optimization/88598
10248         * tree.h (initializer_each_zero_or_onep): Declare.
10249         * tree.c (initializer_each_zero_or_onep): New function.
10250         (signed_or_unsigned_type_for): Handle float types too.
10251         (unsigned_type_for, signed_type_for): Update comments accordingly.
10252         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10253         x & { 0 or -1, 0 or -1, ... }.
10254
10255 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10256
10257         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10258         with x86_64-pc-linux-gnu.
10259
10260 2019-01-07  Tom de Vries  <tdevries@suse.de>
10261
10262         PR target/85486
10263         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10264         function.
10265         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10266         routines.
10267
10268 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10269
10270         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10271         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10272         TARGET_AVX512F as condition.
10273
10274         PR debug/88723
10275         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10276         const_not_ok_for_debug_p target hook.
10277         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10278         on UNSPEC and subexpressions thereof if all subexpressions of the
10279         UNSPEC are CONSTANT_P.
10280
10281         PR tree-optimization/88676
10282         * tree-ssa-phiopt.c (two_value_replacement): New function.
10283         (tree_ssa_phiopt_worker): Call it.
10284
10285         PR sanitizer/88619
10286         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10287         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10288
10289         PR c++/85052
10290         * tree-vect-generic.c: Include insn-config.h and recog.h.
10291         (expand_vector_piecewise): Add defaulted ret_type argument,
10292         if non-NULL, use that in preference to type for the result type.
10293         (expand_vector_parallel): Formatting fix.
10294         (do_vec_conversion, do_vec_narrowing_conversion,
10295         expand_vector_conversion): New functions.
10296         (expand_vector_operations_1): Call expand_vector_conversion
10297         for VEC_CONVERT ifn calls.
10298         * internal-fn.def (VEC_CONVERT): New internal function.
10299         * internal-fn.c (expand_VEC_CONVERT): New function.
10300         * fold-const-call.c (fold_const_vec_convert): New function.
10301         (fold_const_call): Use it for CFN_VEC_CONVERT.
10302         * doc/extend.texi (__builtin_convertvector): Document.
10303
10304 2019-01-07  Tom de Vries  <tdevries@suse.de>
10305
10306         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10307         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10308         vector_red_partition, vector_red_sym): New global variables.
10309         (nvptx_option_override): Initialize vector_red_sym.
10310         (nvptx_declare_function_name): Restore red_partition register.
10311         (nvptx_file_end): Emit code to declare the vector reduction variables.
10312         (nvptx_output_red_partition): New function.
10313         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10314         large vector reductions.
10315         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10316         (nvptx_init_builtins): Add VECTOR_ADDR.
10317         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10318         Handle nvptx_expand_shared_addr.
10319         (nvptx_get_shared_red_addr): Add vector argument and handle large
10320         vectors.
10321         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10322         large vectors.
10323         (nvptx_goacc_reduction_init): Likewise.
10324         (nvptx_goacc_reduction_fini): Likewise.
10325         (nvptx_goacc_reduction_teardown): Likewise.
10326         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10327         init,fini,teardown}.
10328         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10329         (nvptx_set_current_function): Init vector_red_partition.
10330         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10331         (nvptx_red_partition): New insn.
10332         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10333
10334 2019-01-07  Tom de Vries  <tdevries@suse.de>
10335
10336         PR target/85381
10337         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10338         empty loops.
10339
10340 2019-01-07  Tom de Vries  <tdevries@suse.de>
10341
10342         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10343         (nvptx_option_override): Init oacc_bcast_partition.
10344         (nvptx_init_oacc_workers): New function.
10345         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10346         (nvptx_needs_shared_bcast): New function.
10347         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10348         to propagate state.
10349         (nvptx_shared_propagate): Initialize vector bcast partition and
10350         synchronization state.
10351         (nvptx_single):  Generalize to enable vectors to use shared-memory
10352         to propagate state.
10353         (nvptx_process_pars): Likewise.
10354         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10355         * config/nvptx/nvptx.h (struct machine_function): Add
10356         bcast_partition and sync_bar members.
10357
10358 2019-01-07  Tom de Vries  <tdevries@suse.de>
10359
10360         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10361         (nvptx_apply_dim_limits): New function.
10362         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10363         PTX_WARP_SIZE.
10364
10365 2019-01-07  Tom de Vries  <tdevries@suse.de>
10366
10367         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10368         as late as possible.
10369
10370 2019-01-07  Tom de Vries  <tdevries@suse.de>
10371
10372         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10373         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10374         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10375         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10376         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10377
10378 2019-01-07  Tom de Vries  <tdevries@suse.de>
10379
10380         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10381
10382 2019-01-07  Tom de Vries  <tdevries@suse.de>
10383
10384         * omp-offload.c (oacc_get_min_dim): New function.
10385         * omp-offload.h (oacc_get_min_dim): Declare.
10386
10387 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10388
10389         PR target/88521
10390         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10391         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10392
10393 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10394
10395         PR tree-opt/86020
10396         Revert:
10397         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
10398
10399         * ipa-inline.c (edge_badness): Use inlined_time instead of
10400         inline_summaries->get.
10401
10402 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10403
10404         * opts.c (enable_fdo_optimizations): Enable
10405         version-loops-for-strides, loop-interchange, unrol-and-jam
10406         and tree-loop-distribution.
10407         * invoke.texi: Document newly enabled options.
10408
10409 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10410
10411         * doc/invoke.texi (max-inline-insns-small): New parameters.
10412         * ipa-inline.c (want_early_inline_function_p): simplify.
10413         (want_inline_small_function_p): Fix pasto from previous patch;
10414         use max-inline-insns-small bound.
10415         * params.def (max-inline-insns-small): New param.
10416         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10417         variables correctly.
10418
10419 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10420
10421         * doc/invoke.texi: Document max-inline-insns-size,
10422         uninlined-function-insns, uninlined-function-time,
10423         uninlined-thunk-insns and uninlined-thunk-time.
10424         * params.def: Add max-inline-insns-size,
10425         uninlined-function-insns, uninlined-function-time,
10426         uninlined-thunk-insns and uninlined-thunk-time.
10427         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10428         new parameters.
10429         * ipa-inline.c (can_inline_edge_by_limits_p,
10430         want_inline_small_function_p): Use new parameters.
10431
10432 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10433
10434         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10435
10436 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
10437
10438         PR middle-end/82564
10439         PR target/88620
10440         * expr.c (expand_assignment): For calls returning VLA structures
10441         if to_rtx is not a MEM, force it into a stack temporary.
10442
10443         PR debug/88635
10444         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10445         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10446         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10447         subexpressions of both operands.
10448         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10449         subrtxes are CONSTANT_P.
10450         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10451         2018-11-09 changes.
10452
10453 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
10454
10455         * params.def (hot-bb-count-ws-permille): Set to 990.
10456
10457 2019-01-04  Martin Sebor  <msebor@redhat.com>
10458
10459         PR c/88546
10460         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10461         leaf.
10462
10463 2019-01-04  Martin Sebor  <msebor@redhat.com>
10464
10465         PR c/88363
10466         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10467
10468 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10469
10470         * gdbinit.in: Turn off pagination for the skip commands, restore
10471         it to previous state afterwards.
10472
10473 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10474
10475         PR target/88594
10476         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10477         of GET_MODE (opN) as modes of the libcall arguments.
10478
10479 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10480
10481         * config/i386/sse.md
10482         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10483         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10484         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10485         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10486         avx512f_vmcmp<mode>3<round_saeonly_name>,
10487         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10488         avx512f_maskcmp<mode>3,
10489         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10490         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10491         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10492         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10493         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10494         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10495         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10496         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10497         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10498         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10499         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10500         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10501         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10502         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10503         avx512cd_maskb_vec_dup<mode>,
10504         avx512cd_maskw_vec_dup<mode>,
10505         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10506         avx512dq_vmfpclass<mode>,
10507         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10508         instead of =Yk.
10509
10510 2019-01-03  Martin Sebor  <msebor@redhat.com>
10511
10512         PR tree-optimization/88659
10513         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10514
10515 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10516
10517         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10518         unaligned vsx and avoid lxvd2x/stxvd2x.
10519         (gen_lvx_v4si_move): New function.
10520
10521 2019-01-03  Tom de Vries  <tdevries@suse.de>
10522
10523         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10524         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10525         function.
10526         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10527
10528 2019-01-03  Tom de Vries  <tdevries@suse.de>
10529
10530         * config/nvptx/nvptx.c (struct offload_attrs): New.
10531         (populate_offload_attrs): New function.  Factor mask extraction out of
10532         nvptx_reorg.  Add extraction of dimensions.
10533         (nvptx_reorg): Use populate_offload_attrs.
10534
10535 2019-01-03  Tom de Vries  <tdevries@suse.de>
10536
10537         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10538         cases for oacc_min_dims_p and routine_p.  Add asserts for
10539         oacc_default_dims_p and offload_region_p.
10540
10541 2019-01-03  Tom de Vries  <tdevries@suse.de>
10542
10543         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10544         factored out of ...
10545         (nvptx_goacc_validate_dims): ... here.
10546
10547 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10548
10549         PR tree-optimization/85574
10550         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10551         structure.
10552         (struct ssa_equip_hash_traits): Declare.
10553         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10554
10555 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10556
10557         PR debug/88644
10558         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10559         change it to qualified_type.
10560
10561 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10562
10563         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10564         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10565
10566 2019-01-02  Martin Sebor  <msebor@redhat.com>
10567             Jeff Law  <law@redhat.com>
10568
10569         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10570         (get_range_strlen_tree): Update appropriately.
10571         (get_range_strlen)
10572         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10573
10574         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10575         rather than set_range_info.
10576         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10577         maybe_set_strlen_range.  Handle potentially boundary crossing
10578         cases more conservatively.
10579         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10580         Call set_strlen_range.
10581         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10582
10583         PR middle-end/88663
10584         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10585         need the flexp argument.
10586         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10587         from calls to get_range_strlen.  Update comments.  Just update
10588         VAL for an unterminated const char array and let the reset of the
10589         code handle it normally.  No longer try to set *flexp.  Adjust
10590         return value.
10591         (get_range_strlen): Update for the new get_range_strlen API.
10592         (get_maxval_strlen): Similarly.
10593         (gimple_fold_builtin_strlen): Handle update meaning of return value
10594         from get_range_strlen.
10595         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10596         get_range_strlen API.
10597
10598 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10599
10600         PR lto/88130
10601         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10602         false at WPA time when body was removed.
10603
10604 2019-01-02  Martin Liska  <mliska@suse.cz>
10605
10606         PR tree-optimization/88650
10607         * predict.c (set_even_probabilities): Calculate probability
10608         remainer only when really used.
10609
10610 2019-01-02  Richard Biener  <rguenther@suse.de>
10611
10612         PR middle-end/88651
10613         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10614         widest_ints when mangling max_stmt_execution results.
10615
10616 2019-01-02  Richard Biener  <rguenther@suse.de>
10617
10618         PR tree-optimization/88621
10619         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10620         bitfields when canoncalizing.
10621
10622 2019-01-02  Richard Biener  <rguenther@suse.de>
10623
10624         PR target/87545
10625         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10626         cost of cheap SSE instruction.
10627
10628 2019-01-02  Richard Biener  <rguenther@suse.de>
10629
10630         PR ipa/85574
10631         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10632         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10633         function.
10634         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10635         set after UIDs before splitting them.
10636
10637 2019-01-01  Martin Sebor  <msebor@redhat.com>
10638             Jeff Law  <law@redhat.com>
10639
10640         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10641         length is optimistic.  If it is, then arrange to compute the
10642         conservative length as well.
10643
10644         * gimple-fold.h (get_range_strlen): Update prototype.
10645         * builtins.c (check_access): Update call to get_range_strlen to use
10646         c_strlen_data pointer.   Change various variable accesses to instead
10647         pull data from the c_strlen_data structure.
10648         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10649         * calls.c (maybe_warn_nonstring_arg): Likewise.
10650         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10651         minimum length if maximum lengh is unknown.
10652         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10653         that used c_strlen, it's no longer needed.  Restructure slightly.
10654         (format_string): Set unlikely range appropriately.
10655         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10656         formatting issues.
10657         (get_range_strlen):  Accept c_strlen_data pointer for external
10658         call sites as well.  Pass through to call to internal get_range_strlen.
10659         Adjust minlen, maxlen and maxbound as needed.
10660         (get_maxval_strlen): Update comments.
10661         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10662         to use c_strlen_data pointer.  Change variable accesses to instead
10663         use c_strlen_data data members.
10664
10665         * gimple-fold.c (get_range_strlen): Update prototype.
10666         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10667         local variables.  Use pdata to return information to caller.
10668         Update calls to get_range_strlen.  Update pdata->maxbound.
10669         (get_range_strlen -- static version): Similarly.
10670         (get_range_strlen -- extern version): Update for internal
10671         get_range_strlen API change.  Convert to external data format.
10672         (get_maxval_strlen): Similarly.
10673
10674 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10675
10676         * coverage.c (get_coverage_counts): Use current_function_decl.
10677         * profile.c (read_thunk_profile): New function.
10678         (branch_prob): Add THUNK parameter.
10679         * tree-profile.c (tree_profiling): Handle thunks.
10680         * value-prof.c (init_node_map): Handle thunks.
10681         * value-prof.h (branch_prob): Upate prototype.
10682         (read_thunk_profile): Declare.
10683
10684 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10685
10686         Update copyright years.
10687
10688         * gcc.c (process_command): Update copyright notice dates.
10689         * gcov-dump.c (print_version): Ditto.
10690         * gcov.c (print_version): Ditto.
10691         * gcov-tool.c (print_version): Ditto.
10692         * gengtype.c (create_file): Ditto.
10693         * doc/cpp.texi: Bump @copying's copyright year.
10694         * doc/cppinternals.texi: Ditto.
10695         * doc/gcc.texi: Ditto.
10696         * doc/gccint.texi: Ditto.
10697         * doc/gcov.texi: Ditto.
10698         * doc/install.texi: Ditto.
10699         * doc/invoke.texi: Ditto.
10700 \f
10701 Copyright (C) 2019 Free Software Foundation, Inc.
10702
10703 Copying and distribution of this file, with or without modification,
10704 are permitted in any medium without royalty provided the copyright
10705 notice and this notice are preserved.