gcc/ChangeLog

   1 2019-06-06  Martin Liska  <mliska@suse.cz>
   2
   3         PR web/87933
   4         * doc/install.texi: Fix HTML headers and
   5         titles for 'Installing GCC' pages.
   6
   7 2019-06-06  Martin Liska  <mliska@suse.cz>
   8
   9         * ipa-icf-gimple.h (dump_message_1): Remove.
  10         (dump_message): Likewise.
  11         (return_false_with_message_1): Print also file.
  12         (return_false_with_msg): Likewise.
  13         (return_with_result): Likewise.
  14         (return_with_debug): Likewise.
  15         * ipa-icf.c (sem_function::equals_private): Remove call
  16         to dump_message.
  17
  18 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
  19
  20         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
  21         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
  22         memory operand for it.
  23         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
  24
  25 2019-06-05  Martin Sebor  <msebor@redhat.com>
  26
  27         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
  28         Adjust quoting and hyphenation.
  29         * convert.c (convert_to_real_1): Same.
  30         * gcc.c (driver_wrong_lang_callback): Same.
  31         (driver::handle_unrecognized_options): Same.
  32         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
  33         * opts-common.c (cmdline_handle_error): Same.
  34         (read_cmdline_option): Same.
  35         * opts-global.c (complain_wrong_lang): Same.
  36         (print_ignored_options): Same.
  37         (handle_common_deferred_options): Same.
  38         * pretty-print.h: Same.
  39         * print-rtl.c (debug_bb_n_slim): Same.
  40         * sched-rgn.c (make_pass_sched_fusion): Same.
  41         * tree-cfg.c (verify_gimple_assign_unary): Same.
  42         (verify_gimple_label): Same.
  43         * tree-ssa-operands.c (verify_ssa_operands): Same.
  44         * varasm.c (do_assemble_alias): Same.
  45         (assemble_alias): Same.
  46
  47 2019-06-05  Richard Henderson  <rth@twiddle.net>
  48
  49         * config/alpha/alpha.c (direct_return): Move down after
  50         struct machine_function definition; use saved frame_size;
  51         return bool.
  52         (struct machine_function): Add sa_mask, sa_size, frame_size.
  53         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
  54         (alpha_compute_frame_layout): ... new function.
  55         (TARGET_COMPUTE_FRAME_LAYOUT): New.
  56         (alpha_initial_elimination_offset): Use saved sa_size.
  57         (alpha_vms_initial_elimination_offset): Likewise.
  58         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
  59         (alpha_expand_prologue): Use saved frame data.  Merge integer
  60         and fp register save loops.
  61         (alpha_expand_epilogue): Likewise.
  62         (alpha_start_function): Use saved frame data.
  63         * config/alpha/alpha-protos.h (direct_return): Update.
  64         (alpha_sa_size): Remove.
  65
  66 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
  67
  68         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
  69         multiplication by a power-of-two value.
  70         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
  71         and turn the modulo operation into a masking operation.
  72
  73 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
  74
  75         PR debug/90733
  76         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
  77         with VOIDmode inner operands.
  78
  79 2019-06-05  Richard Biener  <rguenther@suse.de>
  80
  81         PR middle-end/90726
  82         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
  83         turn an expression graph into a tree.
  84
  85 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
  86
  87         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
  88         member.
  89         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
  90         treat it like explicit monotonic schedule modifier.
  91         (expand_omp_for): Initialize has_lastprivate_conditional.
  92         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
  93         schedule modifier.
  94
  95         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
  96         references, lookup in in hash map MEM_REF operand instead of the
  97         MEM_REF itself.
  98         (lower_omp_1): When looking for lastprivate conditional assignments,
  99         handle MEM_REFs with REFERENCE_TYPE operands.
 100
 101         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 102         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 103         and references a VLA.  Handle references to non-VLAs if is_simd
 104         all privatization clauses like reductions.
 105         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 106         If omp_is_reference, use always omp simd arrays and set
 107         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 108         fails, emit reference initialization.
 109
 110 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 111
 112         PR target/89803
 113         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 114         _mm_mask_fpclass_sd_mask): New intrinsics.
 115         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 116         * config/i386/i386-builtin.def
 117         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 118         New builtins.
 119         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 120         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 121         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 122         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 123         case QI_FTYPE_V2SF_INT): Ditto.
 124         * config/i386/sse.md
 125         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 126         Extended to insnstructions with mask operands.
 127
 128 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 129
 130         * config/rs6000/constraints.md (define_register_constraint "wp"):
 131         Delete.
 132         (define_register_constraint "wq"): Delete.
 133         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 134         (rs6000_init_hard_regno_mode_ok): Adjust.
 135         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 136         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 137         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 138         (define_mode_attr VSa): Delete.
 139         (define_mode_attr VSisa): New.
 140         (rest of file): Adjust.
 141         * doc/md.texi (Machine Constraints): Adjust.
 142
 143 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 144
 145         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 146         (define_attr "enabled"): Handle those new isa values.
 147
 148 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 149
 150         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 151         (define_mode_attr VSr5): Delete.
 152         (define_mode_attr VStype_sqrt): Delete.
 153         (define_mode_iterator VSX_SPDP): Delete.
 154         (define_mode_attr VS_spdp_res): Delete.
 155         (define_mode_attr VS_spdp_insn): Delete.
 156         (define_mode_attr VS_spdp_type): Delete.
 157         (*vsx_sqrt<mode>2): Adjust.
 158         (vsx_<VS_spdp_insn>): Delete, split to...
 159         (vsx_xscvdpsp): ... this.  New.  And...
 160         (vsx_xvcvspdp): ... this.  New.  And...
 161         (vsx_xvcvdpsp): ... this.  New.
 162
 163 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 164
 165         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 166         and V2DF.
 167         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 168         (rest of file): Adjust.
 169
 170 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 171
 172         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 173         (vsx_extract_<mode>_var): Ditto.
 174
 175 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 176
 177         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 178         with just "wa".
 179
 180 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 181
 182         * config/rs6000/constraints.md (define_register_constraint "ww"):
 183         Delete.
 184         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 185         (rs6000_init_hard_regno_mode_ok): Adjust.
 186         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 187         RS6000_CONSTRAINT_ww.
 188         * config/rs6000/rs6000.md: Adjust.
 189         * config/rs6000/vsx.md: Adjust.
 190         * doc/md.texi (Machine Constraints): Adjust.
 191
 192 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 193
 194         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 195         (define_mode_attr sd): New.
 196         (define_mode_attr s): New.
 197         (define_mode_attr Ftrad): Delete.
 198         (define_mode_attr Fvsx): Delete.
 199         (define_mode_attr Fs): Delete.
 200         (rest of file): Use the new mode attributes.
 201         * config.rs6000/vsx.md: Use the new mode attributes.
 202
 203 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 204
 205         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 206         with just "wa".
 207
 208 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 209
 210         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 211         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 212         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 213
 214 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 215
 216         PR target/78263
 217         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 218         C++ with strict ANSI requirements.
 219
 220 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 221
 222         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 223         computations when step is 1.
 224
 225 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 226
 227         * config/rs6000/constraints.md (define_register_constraint "wf"):
 228         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_wf.
 233         * config/rs6000/rs6000.md: Adjust.
 234         * config/rs6000/vsx.md: Adjust.
 235         * doc/md.texi (Machine Constraints): Adjust.
 236
 237 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 238
 239         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 240         Fix ILP32 value.
 241
 242 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 243
 244         * config/rs6000/constraints.md (define_register_constraint "wd"):
 245         Delete.
 246         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 247         (rs6000_init_hard_regno_mode_ok): Adjust.
 248         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 249         RS6000_CONSTRAINT_wd.
 250         * config/rs6000/rs6000.md: Adjust.
 251         * config/rs6000/vsx.md: Adjust.
 252         * doc/md.texi (Machine Constraints): Adjust.
 253
 254 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 255
 256         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 257         (rest of file): Adjust.
 258
 259 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 260
 261         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 262         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 263         (vsx_splat_<mode>_reg): Adjust.
 264
 265 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 266
 267         * config/rs6000/constraints.md (define_register_constraint "ws"):
 268         Delete.
 269         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 270         (rs6000_init_hard_regno_mode_ok): Adjust.
 271         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 272         RS6000_CONSTRAINT_ws.
 273         * config/rs6000/rs6000.md: Adjust.
 274         * config/rs6000/vsx.md: Adjust.
 275         * doc/md.texi (Machine Constraints): Adjust.
 276
 277 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 278
 279         * config/rs6000/constraints.md (define_register_constraint "wv"):
 280         Delete.
 281         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 282         (rs6000_init_hard_regno_mode_ok): Adjust.
 283         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 284         RS6000_CONSTRAINT_wv.
 285         * config/rs6000/rs6000.md: Adjust.
 286         * config/rs6000/vsx.md: Adjust.
 287         * doc/md.texi (Machine Constraints): Adjust.
 288
 289 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 290
 291         * config/rs6000/constraints.md (define_register_constraint "wi"):
 292         Delete.
 293         (define_register_constraint "wt"): Delete.
 294         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 295         (rs6000_init_hard_regno_mode_ok): Adjust.
 296         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 297         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 298         * config/rs6000/rs6000.md: Adjust.
 299         * config/rs6000/vsx.md: Adjust.
 300         * doc/md.texi (Machine Constraints): Adjust.
 301
 302 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 303
 304         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 305         const.
 306         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 307         default_elf_asm_output_external.
 308
 309 2019-06-04  Martin Liska  <mliska@suse.cz>
 310
 311         * ipa-icf.c (INCLUDE_LIST): Remove.
 312         (sem_item_optimizer::execute): Remove call to init_wpa.
 313         * ipa-icf.h (init_wpa): Remove.
 314
 315 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 316
 317         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 318         conditional on combined for simd.
 319         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 320         member.
 321         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 322         constructs, don't remove lastprivate_conditional_map, but instead set
 323         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 324         to parent construct temporaries.
 325         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 326         like !ctx->lastprivate_conditional_map.
 327         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 328         use up->outer context instead of up.
 329         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 330         gimple_omp_for_combined_p.
 331         (expand_omp_for_static_nochunk): Likewise.
 332         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 333         probably moved over into expand_omp_for_generic rather than being copied
 334         there.
 335
 336 2019-06-04  Martin Liska  <mliska@suse.cz>
 337
 338         * value-prof.c (dump_histogram_value): Fix typo.
 339         (gimple_mod_subtract_transform): Likewise.
 340
 341 2019-06-04  Richard Biener  <rguenther@suse.de>
 342
 343         PR middle-end/90726
 344         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 345         (tree_contains_chrecs): Likewise.
 346         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 347         exponential behaivor from ...
 348         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 349         ... here.
 350         (expression_expensive_p): Avoid exponential behavior and compute
 351         expanded size, rejecting any expansion.
 352         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 353         (idx_contains_abnormal_ssa_name_p): Likewise.
 354         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 355         (contains_abnormal_ssa_name_p): Simplify and use
 356         walk_tree_without_duplicates.
 357
 358 2019-06-04  Richard Biener  <rguenther@suse.de>
 359
 360         PR tree-optimization/90738
 361         Revert
 362         2019-06-03  Richard Biener  <rguenther@suse.de>
 363
 364         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 365         full reference tree and record in ref->ref.
 366         (vn_reference_lookup_3): Pass in original ref to
 367         ao_ref_init_from_vn_reference.
 368         (vn_reference_lookup): Likewise.
 369         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 370         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 371         Handle non-decl bases in the original reference.
 372
 373 2019-06-04  Martin Liska  <mliska@suse.cz>
 374
 375         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 376         number of references.
 377         (sem_item_optimizer::do_congruence_step):
 378         (sem_item_optimizer::worklist_push): Dump how references
 379         a class has.
 380         (sem_item_optimizer::worklist_pop): Use heap.
 381         (sem_item_optimizer::process_cong_reduction): Likewise.
 382         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 383
 384 2019-06-04  Martin Liska  <mliska@suse.cz>
 385
 386         * ipa-icf.h (struct sem_usage_pair_hash): New.
 387         (sem_usage_pair_hash::hash): Likewise.
 388         (sem_usage_pair_hash::equal): Likewise.
 389         (struct sem_usage_hash): Likewise.
 390         * ipa-icf.c (sem_item::sem_item): Initialize
 391         referenced_by_count.
 392         (sem_item::add_reference): Register a reference
 393         in ref_map and not in target->usages.
 394         (sem_item::setup): Remove initialization of
 395         dead vectors.
 396         (sem_item::~sem_item): Remove usage of dead vectors.
 397         (sem_item::dump): Remove dump of references.
 398         (sem_item_optimizer::sem_item_optimizer): Initialize
 399         m_references.
 400         (sem_item_optimizer::read_section): Remove useless
 401         dump.
 402         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 403         (sem_item_optimizer::build_graph): Pass m_references
 404         to ::add_reference.
 405         (sem_item_optimizer::verify_classes): Remove usage of dead
 406         vectors.
 407         (sem_item_optimizer::traverse_congruence_split): Return true
 408         when a class is split.
 409         (sem_item_optimizer::do_congruence_step_for_index): Use
 410         hash_map for look up of (sem_item *, index). That brings
 411         significant speed up.
 412         (sem_item_optimizer::do_congruence_step): Return true
 413         when a split is done.
 414         (congruence_class::is_class_used): Use referenced_by_count.
 415
 416 2019-06-04  Alan Modra  <amodra@gmail.com>
 417
 418         PR target/90689
 419         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 420         error.
 421
 422 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 423
 424         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 425         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 426         (rs6000_secondary_reload_simple_move): Adjust.
 427         (rs6000_opt_masks): Neuter the "mfpgpr" option.
 428         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
 429         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
 430         comment.
 431         (power6x): Adjust.
 432         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
 433         (floatunssi<mode>2_lfiwzx): Adjust.
 434         (fix_trunc<mode>si2_stfiwx): Adjust.
 435         (fixuns_trunc<mode>si2_stfiwx): Adjust.
 436         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
 437         (mfpgpr): Mark as deprecated.
 438         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
 439         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
 440         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
 441
 442 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 443
 444         * config/rs6000/constraints.md (define_register_constraint "wg"):
 445         Delete.
 446         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 447         RS6000_CONSTRAINT_wg.
 448         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 449         (rs6000_init_hard_regno_mode_ok): Adjust.
 450         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
 451         Delete "wg" alternatives.
 452         * doc/md.texi (Machine Constraints): Adjust.
 453
 454 2019-06-03  Alan Modra  <amodra@gmail.com>
 455
 456         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
 457         (get_uncond_jump_length): Assert length less than INT_MAX and
 458         non-negative.
 459
 460 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 461
 462         PR middle-end/64242
 463         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
 464         block.
 465         (expand_builtin_nonlocal_goto): Likewise.
 466
 467 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 468
 469         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
 470         (aarch64_asm_output_external): Declare.
 471         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
 472         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
 473         (aarch64_asm_output_alias): New.
 474         (aarch64_asm_output_external): New.
 475         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
 476         (ASM_OUTPUT_EXTERNAL): Define.
 477
 478 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
 479         * tree-vrp.h (value_range_base::nonzero_p): New.
 480         (value_range_base::set_nonnull): Rename to...
 481         (value_range_base::set_nonzero): ...this.
 482         (value_range_base::set_null): Rename to...
 483         (value_range_base::set_zero): ...this.
 484         (value_range::set_nonnull): Remove.
 485         (value_range::set_null): Remove.
 486         * tree-vrp.c (range_is_null): Remove.
 487         (range_is_nonnull): Remove.
 488         (extract_range_from_binary_expr): Use value_range_base::*zero_p
 489         instead of range_is_*null.
 490         (extract_range_from_unary_expr): Same.
 491         (value_range_base::set_nonnull): Rename to...
 492         (value_range_base::set_nonzero): ...this.
 493         (value_range::set_nonnull): Remove.
 494         (value_range_base::set_null): Rename to...
 495         (value_range_base::set_zero): ...this.
 496         (value_range::set_null): Remove.
 497         (extract_range_from_binary_expr): Rename set_*null uses to
 498         set_*zero.
 499         (extract_range_from_unary_expr): Same.
 500         (union_helper): Same.
 501         * vr-values.c (get_value_range): Use set_*zero instead of
 502         set_*null.
 503         (vr_values::extract_range_from_binary_expr): Same.
 504         (vr_values::extract_range_basic): Same.
 505
 506 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 507
 508         PR driver/90684
 509         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
 510
 511 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 512
 513         * config/aarch64/iterators.md (MAX_OPP): New code attr.
 514         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
 515         (aarch64_<su>abd<mode>_3): ... This.
 516         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
 517
 518 2019-06-03  Richard Biener  <rguenther@suse.de>
 519
 520         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 521         full reference tree and record in ref->ref.
 522         (vn_reference_lookup_3): Pass in original ref to
 523         ao_ref_init_from_vn_reference.
 524         (vn_reference_lookup): Likewise.
 525         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 526         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 527         Handle non-decl bases in the original reference.
 528
 529 2019-06-03  Martin Liska  <mliska@suse.cz>
 530
 531         * doc/generic.texi: Remove Java Trees.
 532
 533 2019-06-03  Martin Liska  <mliska@suse.cz>
 534
 535         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
 536         returns 0 when operands are equal.
 537
 538 2019-06-03  Richard Biener  <rguenther@suse.de>
 539
 540         PR tree-optimization/90716
 541         * tree-loop-distribution.c (destroy_loop): Process blocks in
 542         correct order.
 543
 544 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 545
 546         PR target/88837
 547         * vector-builder.h (vector_builder::count_dups): New method.
 548         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
 549         Declare prototype.
 550         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
 551         (vec_init<mode><Vel>): New pattern.
 552         * config/aarch64/aarch64.c (emit_insr): New function.
 553         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
 554         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
 555         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
 556         (aarch64_sve_expand_vector_init): Define two overloaded functions.
 557
 558 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 559
 560         PR tree-optimization/90681
 561         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
 562         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
 563         special case for SLP, but fail on non-groupped loads.
 564
 565 2019-06-03  Martin Liska  <mliska@suse.cz>
 566
 567         * cfg.c (debug): Use TDF_DETAILS for debug and
 568         print edge info only once.
 569
 570 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 571
 572         PR fortran/90539
 573         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
 574
 575 2019-06-01  Martin Sebor  <msebor@redhat.com>
 576
 577         PR middle-end/90694
 578         * tree-pretty-print.c (dump_generic_node): Add parentheses.
 579
 580 2019-05-31  Jan Hubicka  <jh@suse.cz>
 581
 582         * alias.c: Include ipa-utils.h.
 583         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
 584         * ipa-devirt.c (prevailing_odr_type): New.
 585         * ipa-utils.h (previaling_odr_type): Declare.
 586
 587 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 588             Hongtao Liu  <hongtao.liu@intel.com>
 589
 590         PR target/89355
 591         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
 592         NOTE_INSN_DELETED_LABEL check.
 593
 594 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
 595             Robert Suchanek  <robert.suchanek@mips.com>
 596
 597         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
 598         and 3rd operands of the fmadd/fmsub/maddv builtin.
 599
 600 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 601
 602         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
 603         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 604         on OMP_SIMD if not nested inside of worksharing loop that also has
 605         lastprivate conditional clause for the same decl.
 606         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
 607         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
 608         on simd.
 609         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
 610         on simd construct.
 611         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
 612         on simd construct.
 613         (lower_lastprivate_clauses): Likewise.
 614         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
 615         calling lower_rec_input_clauses.
 616         (lower_omp_for): Likewise.
 617         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
 618         clause on simd construct.
 619         * omp-expand.c (expand_omp_simd): Initialize cond_var if
 620         OMP_CLAUSE__CONDTEMP_ clause is present.
 621
 622         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
 623         ivar and lvar.
 624
 625 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 626
 627         PR c/43673
 628         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
 629         TEX_D32, TEX_D64 or TEX_D128.
 630
 631 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 632
 633         * match.pd (~(vec?cst1:cst2)): New transformation.
 634
 635 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 636
 637         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
 638         ((size_t)(A /[ex] B) CMP C): New transformation.
 639
 640 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
 641
 642         * doc/md.texi: Document define_insn_and_rewrite.
 643         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 644         * gensupport.c (queue_elem): Update comment.
 645         (replace_operands_with_dups): New function.
 646         (gen_rewrite_sequence): Likewise.
 647         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 648         * read-rtl.c (apply_subst_iterator): Likewise.
 649         (add_condition_to_rtx, named_rtx_p): Likewise.
 650         (rtx_reader::read_rtx_operand): Likewise.
 651         * config/aarch64/aarch64-sve.md
 652         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 653         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 654         define_insn_and_rewrite.
 655         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 656         Remove separate define_split.
 657
 658 2019-05-31  Jan Hubicka  <jh@suse.cz>
 659
 660         * tree-ssa-alias.c (type_has_components_p): New function.
 661         (aliasing_component_refs_p): Use it.
 662
 663 2019-05-31  Martin Liska  <mliska@suse.cz>
 664
 665         * gdbhooks.py: Add const_tree to TreePrinter.
 666
 667 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 668
 669         PR debug/86964
 670         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 671         * doc/invoke.texi (Debugging Options): Document new default of
 672         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 673
 674 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 675
 676         PR tree-optimization/90671
 677         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 678         template_block used to be empty on the first call, don't use
 679         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 680         seq with bb_seq and set it with set_bb_seq.
 681
 682 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 683
 684         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 685
 686 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 687             Michael Meissner  <meissner@linux.ibm.com>
 688
 689         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 690         (prefixed_mem_operand): Likewise.
 691         (non_prefixed_mem_operand): Likewise.
 692         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 693         prototype.
 694         * config/rs6000/rs6000.c (print_operand_address): Handle
 695         PC-relative addresses.
 696         (mode_supports_prefixed_address_p): New function.
 697         (rs6000_prefixed_address): New function.
 698         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 699         (SYMBOL_REF_PCREL_P): Likewise.
 700
 701 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 702
 703         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 704         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 705         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 706         is nested inside of parallel region, add _condtemp_ clause to both.
 707         * tree-nested.c (convert_nonlocal_omp_clauses,
 708         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 709         assertion failure.
 710         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 711         member.
 712         * omp-general.c (omp_extract_for_data): Compute it.
 713         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 714         (lower_rec_input_clauses): Likewise.
 715         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 716         clause is already present, just add one further one after it.
 717         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 718         (lower_send_shared_vars): Clear _condtemp_ vars.
 719         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 720         or section or taskgroup.
 721         * omp-expand.c (determine_parallel_type): Disallow combining only if
 722         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 723         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 724         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 725         expand_omp_for_static_chunk, expand_omp_for): Use
 726         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 727         determine if a special set of API routines are needed and if condtemp
 728         needs to be initialized, while always initialize cond_var if
 729         fd->lastprivate_conditional is non-zero.
 730
 731 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 732             Michael Meissner  <meissner@linux.ibm.com>
 733
 734         * config/rs6000/constraints.md (eI): New constraint.
 735         * config/rs6000/predicates.md (cint34_operand): New predicate.
 736         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 737         (SIGNED_34BIT_OFFSET_P): Likewise.
 738         * doc/md.texi (eI): Document constraint.
 739
 740 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 741
 742         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 743
 744 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 745             Michael Meissner  <meissner@linux.ibm.com>
 746
 747         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 748         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 749         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 750         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 751         (OTHER_FUTURE_MASKS): Likewise.
 752         (POWERPC_MASKS): Likewise.
 753         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 754         specified without -mprefixed-addr or -mcpu=future.  Error if
 755         -mprefixed-addr is specified without -mcpu=future.
 756         (rs6000_opt_masks): Add entry for prefixed-addr.
 757         * rs6000.opt (mprefixed-addr): New option.
 758
 759 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 760
 761         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 762         cfun->is_thunk check.
 763
 764 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 765
 766         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 767         to length.
 768
 769 2019-05-30  Martin Liska  <mliska@suse.cz>
 770
 771         * gdbinit.in: Fix 'ptc' command.  Add trt
 772         that prints TREE_TYPE($).
 773
 774 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 775             Alan Modra  <amodra@gmail.com>
 776
 777         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 778         calls here...
 779         (rs6000_indirect_call_template_1): ...and here.
 780         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 781         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 782         rs6000_pltseq_enum.
 783         (rs6000_decl_ok_for_sibcall): New function.
 784         (rs6000_function_ok_for_sibcall): Refactor.
 785         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 786         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 787         when pcrel.  Reorganize.
 788         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 789         * rs6000.h (rs6000_pltseq_enum): New enum.
 790         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 791         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 792         (*pltseq_plt16_ha): Likewise.
 793         (*pltseq_plt16_lo): Likewise.
 794         (*pltseq_mtctr): Likewise.
 795         (*pltseq_plt_pcrel): New insn.
 796         (*call_local_aix): Handle @notoc calls.
 797         (*call_value_local_aix): Likewise.
 798         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 799         (*call_value_nonlocal_aix): Likewise.
 800         (*call_indirect_pcrel): New insn.
 801         (*call_value_indirect_pcrel): Likewise.
 802
 803
 804 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 805
 806         * config/i386/sse.md (*save_multiple<mode>): Rename from
 807         save_multiple<mode>.
 808         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 809         (*restore_multiple_and_return<mode>): Rename from
 810         restore_multiple_and_return<mode>.
 811         (*restore_multiple_leave_return<mode>): Rename from
 812         restore_multiple_leave_return<mode>.
 813
 814 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 815
 816         * config.gcc (rx-*-linux*): New target.
 817         * config/rx/elf.opt: New file.
 818         * config/rx/linux.h: Likewise.
 819         * config/rx/t-linux: Likewise.
 820         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 821         make it zero.
 822         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 823         (ASM_APP_OFF): Likewise.
 824         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 825         moved elsewhere.
 826
 827 2019-05-29  Jan Hubicka  <jh@suse.cz>
 828
 829         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 830         variants are pointer equivalent.
 831
 832 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 833
 834         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 835         * config/aarch64/aarch64-sve2.md: New file.
 836         (<u>avg<mode>3_floor): New pattern.
 837         (<u>avg<mode>3_ceil): Likewise.
 838         (*<sur>h<addsub><mode>): Likewise.
 839         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 840         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 841
 842 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 843
 844         PR bootstrap/90543
 845         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 846         for var_opt_string printing.  In cl_optimization_print_diff, print
 847         (null) instead of invoking undefined behavior if one of the
 848         var_opt_string pointers is NULL and use && instead of first || in the
 849         guarding condition.  For var_target_other options, handle const char *
 850         target variables similarly to const char * optimize node variables.
 851
 852 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 853
 854         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 855         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 856         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 857         Add autib1716 and pacib1716 initialisation.
 858         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 859         for autib1716 and pacib1716.
 860         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 861         aarch64_post_cfi_startproc): Define.
 862         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 863         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 864         aarch64_handle_pac_ret_protection): Set default sign key to A.
 865         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 866         aarch64_expand_prologue): Add check for b-key.
 867         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 868         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 869         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 870         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 871         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 872         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 873         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 874         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 875         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 876         pauth_hint_num_a with pauth_hint_num.
 877         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 878         pauth_hint_num_a with pauth_hint_num.
 879         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 880         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 881         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 882         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 883         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 884         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 885         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 886         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 887         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 888         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 889         UNSPEC_AUTIA1716 respectively.
 890         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 891         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 892         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 893         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 894         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 895
 896 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 897
 898         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 899         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 900         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 901         explicit clause on combined parallel into implicit shared clause.
 902         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 903         and firstprivate if the decl has one too from combined parallel to
 904         the worksharing construct.
 905
 906 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 907             Michael Meissner  <meissner@linux.ibm.com>
 908
 909         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 910
 911 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 912
 913         * rtl.h (LABEL_REF_P): New #define.
 914
 915 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 916
 917         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 918
 919 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 920
 921         * internal-fn.c: Marked mask_load_direct as vectorizable.
 922         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 923         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 924         combined even if masks different with allow_slp_p param.
 925         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 926         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 927         dissolve SLP-only vectorizable groups when SLP has been discarded.
 928         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 929         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 930         masks.
 931         (vect_build_slp_tree_1): Fixed comment typo.
 932         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 933         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 934         loads for SLP only.
 935         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 936         vectorizable.
 937         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 938
 939 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 940
 941         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 942         Remove obsolete use_thunk reference.
 943         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 944         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 945         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 946         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 947         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 948         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 949         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 950         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 951         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 952
 953 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 954
 955         * tree.h (IDENTIFIER_ANON_P): New.
 956         (anon_aggrname_format, anon_aggname_p): Don't declare.
 957         (make_anon_name): Declare.
 958         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 959         (hash_tree): Likewise.
 960         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 961         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 962         (anon_cnt, make_anon_name): New.
 963
 964 2019-05-28  Martin Liska  <mliska@suse.cz>
 965
 966         PR other/90315
 967         * opts-global.c (decode_options): Print help for all
 968         help_option_arguments.
 969         * opts.c (print_help): Add new argument.
 970         (common_handle_option): Remember all values into
 971         help_option_arguments.
 972         * opts.h (print_help): Add new argument.
 973
 974 2019-05-28  Martin Liska  <mliska@suse.cz>
 975
 976         PR ipa/90555
 977         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 978         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 979         (func_checker::compare_bb): Call compare_loops.
 980
 981 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 982
 983         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 984         on sections construct.
 985         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 986         construct.
 987         (lower_omp_sections): Handle lastprivate conditional.
 988         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 989         lastprivate_conditional_map.
 990         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 991
 992         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 993         critical, taskgroup and section regions when looking for a region
 994         with non-NULL lastprivate_conditional_map.
 995
 996 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 997
 998         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 999         (*ix86_gen_sub3): Ditto.
1000         (*ix86_gen_sub3_carry): Ditto.
1001         (*ix86_gen_one_cmpl2): Ditto.
1002         (*ix86_gen_andsp): Ditto.
1003         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1004         (gen_and2_insn): New static function.
1005         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1006         Use gen_add3_insn instead of ix86_gen_add3.
1007         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1008         instead of ix86_gen_add3.
1009         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1010         Use gen_sub3_insn instead of ix86_gen_sub3.
1011         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1012         instead of ix86_gen_add3.
1013         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1014         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1015         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1016         * config/i386/i386-options.c (ix86_option_override_internal):
1017         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1018         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1019
1020 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1021
1022         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1023         and DW_OP_GNU_const_index opcodes.
1024
1025 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1026
1027         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1028
1029 2019-05-27  Richard Biener  <rguenther@suse.de>
1030
1031         PR tree-optimization/90637
1032         * tree-ssa-sink.c (statement_sink_location): Honor the
1033         computed sink location for single-uses.
1034
1035 2019-05-27  Richard Biener  <rguenther@suse.de>
1036
1037         PR middle-end/90610
1038         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1039         a bit-insert.
1040
1041 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1042
1043         * config/i386/i386.md (@sub<mode>3_carry): Rename
1044         from sub<mode>3_carry.
1045         (@leave_<mode>): New expander.
1046         (*leave): Rename from leave.
1047         (*leave_rex64): Rename from leave_rex64.
1048         (@monitorx_<mode>): Rename from monitorx_<mode>.
1049         (@clzero_<mode>): Rename from clzero_<mode>.
1050         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1051         from sse3_monitor_<mode>.
1052         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1053         (*ix86_gen_leave): Ditto.
1054         (*ix86_gen_monitor): Ditto.
1055         (*ix86_gen_monitorx): Ditto.
1056         (*ix86_gen_clzero): Ditto.
1057         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1058         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1059         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1060         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1061         Use gen_sse3_monitor instead of ix86_gen_monitor.
1062         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1063         instead of ix86_gen_monitorx.
1064         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1065         instead of ix86_gen_clzero.
1066         * config/i386/i386-options.c (ix86_option_override_internal):
1067         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1068         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1069
1070 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1071
1072         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1073         Rename from tls_global_dynamic_64_<mode>.
1074         (@tls_local_dynamic_base_64_<mode>): Rename from
1075         tls_local_dynamic_base_64_<mode>.
1076         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1077         Remove indirect function.
1078         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1079         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1080         instead of ix86_gen_tls_global_dynamic_64.
1081         Use gen_tls_local_dynamic_base_64 instead of
1082         ix86_gen_tls_local_dynamic_base_64.
1083         * config/i386/i386-options.c (ix86_option_override_internal):
1084         Do not initialize ix86_gen_tls_global_dynamic_64 and
1085         ix86_gen_tls_local_dynamic_base_64.
1086
1087 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1088
1089         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1090         Rename from pro_epilogue_adjust_stack_<mode>_add.
1091         (@pro_epilogue_adjust_stack_sub_<mode>)
1092         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1093         (@allocate_stack_worker_probe_<mode>):
1094         Rename from allocate_stack_worker_probe_<mode>.
1095         (allocate_stack): Use gen_allocate_stack_worker_probe.
1096         (probe_stack): Use gen_probe_stack_1.
1097         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1098         (@adjust_stack_and_probe_<mode>): Rename from
1099         adjust_stack_and_probe<mode>.
1100         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1101         (stack_protect_set): Use gen_stack_protect_set_1.
1102         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1103         (stack_protect_test): Use gen_stack_protect_test_1.
1104         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1105         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1106         Remove indirect function.
1107         (*ix86_gen_adjust_stack_and_probe): Ditto.
1108         (*ix86_gen_probe_stack_range): Ditto.
1109         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1110         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1111         (ix86_adjust_stack_and_probe_stack_clash): Use
1112         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1113         (ix86_adjust_stack_and_probe): Ditto.
1114         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1115         of ix86_gen_probe_stack_range.
1116         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1117         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1118         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1119         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1120         CODE_FOR_stack_protect_test_{si,di}.
1121         * config/i386/i386-options.c (ix86_option_override_internal):
1122         Do not initialize ix86_gen_allocate_stack_worker,
1123         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1124
1125 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1126
1127         * doc/invoke.texi (Link Options): Many editorial changes around
1128         -flinker-output.
1129
1130 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1131
1132         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1133         pre-Solaris 11 referene and most Studio compiler details.
1134
1135 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1136
1137         PR target/90530
1138         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1139         DImode to SImode in floating-point registers on 64-bit target.
1140         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1141         register_operand in xmpyu patterns.
1142
1143 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1144
1145         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1146         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1147         OMP_CLAUSE__REDUCTEMP_.
1148         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1149         OMP_CLAUSE__CONDTEMP_.
1150         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1151         * tree-pretty-print.c (dump_omp_clause): Likewise.
1152         * tree-nested.c (convert_nonlocal_omp_clauses,
1153         convert_local_omp_clauses): Likewise.
1154         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1155         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1156         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1157         on OMP_FOR.
1158         (gimplify_omp_for): Warn and disable conditional modifier from
1159         lastprivate on loop iterators.
1160         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1161         member.
1162         * omp-general.c (omp_extract_for_data): Initialize it.
1163         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1164         member.
1165         (delete_omp_context): Delete it.
1166         (lower_lastprivate_conditional_clauses): New function.
1167         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1168         handle lastprivate conditional clauses.
1169         (lower_reduction_clauses): Add CLIST argument, emit it into
1170         the critical section if any.
1171         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1172         lower_reduction_clauses callers.
1173         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1174         to lower_lastprivate_clauses.
1175         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1176         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1177         clist into a critical section if not emitted there already by
1178         lower_reduction_clauses.
1179         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1180         callers.
1181         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1182         conditional variables.
1183         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1184         clause is present.
1185         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1186         expand_omp_for_static_chunk): Handle lastprivate conditional.
1187         (expand_omp_for): Handle fd.lastprivate_conditional like
1188         fd.have_reductemp.
1189
1190 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1191
1192         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1193         kernel does not exit cleanly.
1194         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1195
1196 2019-05-24  Jason Merrill  <jason@redhat.com>
1197
1198         Revert:
1199         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1200
1201 2019-05-24  Richard Biener  <rguenther@suse.de>
1202
1203         PR testsuite/90607
1204         * tree-loop-distribution.c (struct partition): Add location
1205         member.
1206         (partition_alloc): Initialize all fields.
1207         (generate_memset_builtin): Use the location recorded in the
1208         partition for the generated call.
1209         (generate_memcpy_builtin): Likewise.
1210         (classify_partition): Record the location of a single store
1211         as location for the partition.
1212
1213 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1214
1215         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1216         for lo-part.
1217
1218 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1219
1220         PR target/90588
1221         * common/config/aarch64/aarch64-common.c
1222         (aarch64_rewrite_selected_cpu): Change local temporary variable
1223         type from unsigned long to uint64_t.
1224         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1225         aarch64_get_extension_string_for_isa_flags): Change declaration to
1226         match new definition by replacing unsigned long with uint64_t.
1227
1228 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1229
1230         PR target/90568
1231         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1232         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1233         Handle stack_protect_test_<mode> codegen similarly to corresponding
1234         sub instruction.
1235
1236 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1237
1238        * config/i386/darwin.h: Reject -mfentry*.
1239        * doc/sourcebuild.texi: Document mfentry target support.
1240
1241 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1242
1243         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1244         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1245         false for PC-relative functions.
1246         (rs6000_output_function_prologue): Change called function name to
1247         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1248         name,1" for PC-relative functions.
1249         (rs6000_elf_declare_function_name): Change called function name to
1250         rs6000_global_entry_point_prologue_needed_p.
1251
1252 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1253
1254         PR target/90552
1255         * config/i386/i386.c (gen_rtx_cost):
1256         Use ix86_tune_cost instead of ix86_cost.
1257
1258 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1259             Michael Meissner  <meissner@linux.ibm.com>
1260             Segher Boessenkool  <segher@kernel.crashing.org>
1261
1262         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1263         OPTION_MASK_PCREL.
1264         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1265         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1266         (rs6000_fndecl_pcrel_p): Likewise.
1267         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1268         error if -mpcrel is requested without -mcpu=future.
1269         (rs6000_opt_masks): Add entry for pcrel.
1270         (rs6000_fndecl_pcrel_p): New function.
1271         (rs6000_pcrel_p): Likewise.
1272         * config/rs6000/rs6000.opt (mpcrel): New option.
1273         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1274
1275 2019-05-23  Jan Hubicka  <jh@suse.cz>
1276             Martin Liska  <mliska@suse.cz>
1277
1278         PR tree-optimization/90576
1279         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1280         poly_int_tree_p.
1281         (aliasing_component_refs_p): Fix three way size compare conditional;
1282         give up earlier in case we can not decide on equivalence.
1283
1284 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1285             Michael Meissner  <meissner@linux.ibm.com>
1286             Segher Boessenkool  <segher@kernel.crashing.org>
1287
1288         * config.gcc: Add future cpu.
1289         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1290         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1291         #define.
1292         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1293         (RS6000_CPU): New instantiation for future cpu.
1294         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1295         PROCESSOR_FUTURE.
1296         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1297         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1298         * config/rs6000/rs6000-tables.opt: Regenerate.
1299         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1300         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1301         (rs6000_machine_from_flags): Handle future cpu.
1302         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1303         PROCESSOR_POWER9 for now.
1304         (rs6000_adjust_cost): Likewise.
1305         (rs6000_issue_rate): Likewise.
1306         (rs6000_register_move_cost): Likewise.
1307         (rs6000_opt_masks): Add entry for future.
1308         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1309         (MASK_FUTURE): New #define.
1310         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1311         * config/rs6000/rs6000.opt (mfuture): New target option.
1312         * doc/invoke.texi (mcpu): Add future cpu.
1313
1314 2019-05-23  Martin Liska  <mliska@suse.cz>
1315
1316         PR c++/90587
1317         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1318         operation points to a temporary (pointed via tree_to_wide_ref)
1319         that is out of scope after the &.
1320
1321 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1322
1323         PR c++/90592
1324         * doc/extend.texi (Function Names): Add missing word.
1325
1326 2019-05-23  Richard Biener  <rguenther@suse.de>
1327
1328         PR tree-optimization/88440
1329         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1330         at -O[2s]+.
1331         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1332         generated call.
1333         (generate_memcpy_builtin): Likewise.
1334         (distribute_loop): Pass in whether to only distribute patterns.
1335         (prepare_perfect_loop_nest): Also allow size optimization.
1336         (pass_loop_distribution::execute): When optimizing a loop
1337         nest for size allow pattern replacement.
1338
1339 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1340
1341         PR target/90568
1342         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1343         of xor.
1344
1345 2019-05-23  Martin Liska  <mliska@suse.cz>
1346
1347         PR sanitizer/90570
1348         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1349         expression similarly to gimplify_decl_expr.
1350
1351 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1352
1353         * cse.c (cse_dump_path): s/dump_file/f.
1354
1355 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1356
1357         PR c++/90462
1358         * diagnostic-format-json.cc: Include "selftest.h".
1359         (json_from_expanded_location): Only add "file" key for non-NULL
1360         file strings.
1361         (json_from_location_range): Don't add "start" and "finish"
1362         children if they are UNKNOWN_LOCATION.
1363         (selftest::test_unknown_location): New selftest.
1364         (selftest::test_bad_endpoints): New selftest.
1365         (selftest::diagnostic_format_json_cc_tests): New function.
1366         * json.cc (json::object::get): New function.
1367         (selftest::test_object_get): New selftest.
1368         (selftest::json_cc_tests): Call it.
1369         * json.h (json::object::get): New decl.
1370         * selftest-run-tests.c (selftest::run_tests): Call
1371         selftest::diagnostic_format_json_cc_tests.
1372         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1373         decl.
1374
1375 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1376             Andrew Stubbs  <amd@codesourcery.com>
1377
1378         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1379         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1380         (kernel): Rename to...
1381         (main_kernel): ... this.
1382         (load_image): Load _init_array and _fini_array kernels.
1383         (run): Add argument for kernel to run.
1384         (main): Run init_array_kernel before main_kernel, and
1385         fini_array_kernel after.
1386         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1387         amdgpu_hsa_kernel attribute on functions.
1388         (gcn_disable_constructors): Delete.
1389         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1390         * config/gcn/crt0.c (size_t): Define.
1391         (_init_array, _fini_array): New.
1392         (__preinit_array_start, __preinit_array_end,
1393         __init_array_start, __init_array_end,
1394         __fini_array_start, __fini_array_end): Declare weak references.
1395
1396 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1397
1398         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1399
1400 2019-05-22  Jason Merrill  <jason@redhat.com>
1401
1402         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1403
1404 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1405
1406         PR target/88483
1407         * config/i386/i386-options.c (ix86_init_machine_status): Set
1408         stack_frame_required to true.
1409         * config/i386/i386.c (ix86_get_frame_size): New function.
1410         (ix86_frame_pointer_required): Replace get_frame_size with
1411         ix86_get_frame_size.
1412         (ix86_compute_frame_layout): Likewise.
1413         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1414         stack_frame_required.
1415         (ix86_finalize_stack_frame_flags): Always call
1416         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1417         ix86_get_frame_size.
1418         * config/i386/i386.h (machine_function): Add stack_frame_required.
1419
1420 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1421
1422         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1423
1424 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1425
1426         * common/config/aarch64/aarch64-common.c
1427         (struct aarch64_option_extension, struct processor_name_to_arch,
1428         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1429         aarch64_contains_opt,
1430         aarch64_get_extension_string_for_isa_flags): Change type of
1431         variables storing flags to uint64_t.
1432         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1433         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1434         * config/aarch64/aarch64.c (struct processor,
1435         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1436         aarch64_validate_march, aarch64_override_options,
1437         aarch64_option_print, aarch64_handle_attr_isa_flags,
1438         aarch64_declare_function_name, aarch64_start_file): Make flag
1439         variables uint64_t.
1440         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1441         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1442         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1443         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1444         * config/aarch64/driver-aarch64.c
1445         (struct aarch64_arch_extension, struct aarch64_core_data,
1446         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1447         flag variables uint64_t.
1448         * doc/invoke.texi: Add documentation for new arguments.
1449
1450 2019-05-22  Richard Biener  <rguenther@suse.de>
1451
1452         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1453         rewrite ...
1454         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1455
1456 2019-05-22  Martin Liska  <mliska@suse.cz>
1457
1458         PR lto/90500
1459         * doc/extend.texi: Document the change.
1460
1461 2019-05-22  Richard Biener  <rguenther@suse.de>
1462
1463         PR tree-optimization/90450
1464         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1465         (mem_ref_hasher::equal): Check it.
1466         (mem_ref_alloc): Initialize it.
1467         (gather_mem_refs_stmt): Set it.
1468
1469 2019-05-22  Richard Biener  <rguenther@suse.de>
1470
1471         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1472         Add ABS_EXPR.
1473         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1474         as ABSU_EXPR.
1475
1476 2019-05-22  Alan Modra  <amodra@gmail.com>
1477
1478         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1479         (ASM_CPU_SPEC): Conditionally add -many.
1480         * config/rs6000/rs6000.c (rs6000_machine): New static var.
1481         (rs6000_machine_from_flags, emit_asm_machine): New functions..
1482         (rs6000_file_start): ..extracted from here, and modified to
1483         test all ISA bits.
1484         (rs6000_output_function_prologue): Emit .machine as necessary.
1485         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1486         power mnemonics.
1487         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1488         added by check_vect_support_and_set_flags.
1489         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1490         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1491
1492 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
1493
1494         PR middle-end/90553
1495         * ira-lives.c (process_bb_node_lives): Consider defs
1496         for a call insn to be die before the call, not after.
1497
1498         * function.c (assign_parm_setup_block): Raise alignment of
1499         stacked parameter only for STRICT_ALIGNMENT targets.
1500
1501 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1502
1503         * config/rs6000/constraints.md (define_register_constraint "wz"):
1504         Delete.
1505         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1506         RS6000_CONSTRAINT_wz.
1507         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1508         (rs6000_init_hard_regno_mode_ok): Adjust.
1509         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1510         * doc/md.texi (Machine Constraints): Adjust.
1511
1512 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1513
1514         * config/rs6000/constraints.md (define_register_constraint "wl"):
1515         Delete.
1516         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1517         RS6000_CONSTRAINT_wl.
1518         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1519         (rs6000_init_hard_regno_mode_ok): Adjust.
1520         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1521         * doc/md.texi (Machine Constraints): Adjust.
1522
1523 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1524
1525         * config/rs6000/constraints.md (define_register_constraint "wm"):
1526         Delete.
1527         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1528         RS6000_CONSTRAINT_wm.
1529         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1530         (rs6000_init_hard_regno_mode_ok): Adjust.
1531         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1532         * doc/md.texi (Machine Constraints): Adjust.
1533
1534 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1535
1536         * config/rs6000/constraints.md (define_register_constraint "wk"):
1537         Delete.
1538         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1539         RS6000_CONSTRAINT_wk.
1540         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1541         (rs6000_init_hard_regno_mode_ok): Adjust.
1542         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1543         * doc/md.texi (Machine Constraints): Adjust.
1544
1545 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1546
1547         * config/rs6000/constraints.md (define_register_constraint "wj"):
1548         Delete.
1549         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1550         RS6000_CONSTRAINT_wj.
1551         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1552         (rs6000_init_hard_regno_mode_ok): Adjust.
1553         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1554         (VS_64dm): Delete.
1555         * config/rs6000/vsx.md: Ditto.
1556         * doc/md.texi (Machine Constraints): Adjust.
1557
1558 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1559
1560         * config/rs6000/constraints.md (define_register_constraint "wh"):
1561         Delete.
1562         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1563         RS6000_CONSTRAINT_wh.
1564         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1565         (rs6000_init_hard_regno_mode_ok): Adjust.
1566         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1567         * doc/md.texi (Machine Constraints): Adjust.
1568
1569 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1570
1571         PR target/90547
1572         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1573         Avoid calling gen_lowpart with CONST operand.
1574
1575 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1576
1577         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1578         field template_last_to_copy.
1579         (ssa_create_duplicates): Set it, and use it.  Attempt to
1580         preserve more debug stmts.
1581
1582 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1583
1584         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1585         (signbit<mode>2): New expander
1586
1587 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1588
1589         PR bootstrap/87338
1590         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1591         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1592
1593 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1594
1595         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1596         %ebx and %ecx bafore calling cpuid with leaf 1 or
1597         non-constant leaf argument.
1598
1599 2019-05-21  Alan Modra  <amodra@gmail.com>
1600
1601         PR target/90545
1602         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1603         power9 direct move cost.
1604         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1605         Correct comments and rename functions to suit parameters.
1606
1607 2019-05-21  Richard Biener  <rguenther@suse.de>
1608
1609         PR middle-end/90510
1610         * fold-const.c (fold_read_from_vector): New function.
1611         * fold-const.h (fold_read_from_vector): Declare.
1612         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1613         single-element insert permutations.  Canonicalize selector
1614         further and fix issue with last commit.
1615
1616 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1617
1618         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1619         parameter with default value false to declaration.
1620         (split_edges_for_insertion): New inline function.  Wrapper for
1621         split_critical_edges with for_edge_insertion_p = true.
1622         * tree-cfg.c (split_critical_edges): Don't split non-critical
1623         edges if for_edge_insertion_p is false.  Fix whitespace.
1624         * tree-ssa-pre.c (pass_pre::execute): Call
1625         split_edges_for_insertion instead of split_critical_edges.
1626         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1627         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1628         (pass_data_sink_code): Update function name in the comment.
1629
1630 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1631
1632         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1633         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1634         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1635         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1636         positives.
1637
1638 2019-05-21  Martin Liska  <mliska@suse.cz>
1639
1640         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1641         an extra newline.
1642         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1643         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1644         vec_lvsr.
1645         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1646         Quote a C type.
1647         (rs6000_function_arg): Likewise.
1648         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1649         (rs6000_expand_ternop_builtin): Use interval syntax.
1650         (get_element_number): Likewise.
1651         (altivec_expand_builtin): Likewise.
1652         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1653
1654 Fix test-suite.
1655
1656 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1657
1658         PR c++/59813
1659         PR target/90418
1660         * function.h (struct function): Add calls_eh_return member.
1661         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1662         gimplifying __builtin_eh_return call.
1663         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1664         to cfun.
1665         (expand_call_inline): Or in src_cfun->calls_eh_return into
1666         dst_cfun->calls_eh_return.
1667         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1668         cfun->calls_eh_return.
1669         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1670         * lto-streamer-out.c (output_struct_function_base): Write
1671         calls_eh_return.
1672
1673 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1674
1675         PR rtl-optimization/43147
1676         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1677         IX86_BUILTIN_SHUFPD.
1678
1679 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1680
1681         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1682         (refs_may_alias_p_1): ... here; update stats.
1683         (refs_may_alias_p): Do not update stats here.
1684
1685 2019-05-20  Richard Biener  <rguenther@suse.de>
1686
1687         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1688         doesn't produce pointers.
1689         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1690         the first operand points to.
1691
1692 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1693
1694         * tree-ssa-alias.c (compare_sizes): New function.
1695         (sompare_type_sizes): New function
1696         (aliasing_component_refs_p): Use it.
1697         (indirect_ref_may_alias_decl_p): Likewise.
1698
1699 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1700
1701         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1702
1703 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1704
1705         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1706         (LIBLSAN_EARLY_SPEC): Likewise.
1707         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1708
1709 2019-05-20  Martin Liska  <mliska@suse.cz>
1710
1711         * config/i386/i386.c (ix86_libc_has_fast_function):
1712         Add ATTRIBUTE_UNUSED for the argument.
1713
1714 2019-05-20  Richard Biener  <rguenther@suse.de>
1715
1716         * gimple-match-head.c: Include vec-perm-indices.h.
1717         * generic-match-head.c: Likewise.
1718         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1719         is included.
1720         * fold-const.c (fold_vec_perm): Export.
1721         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1722         (match.pd): ...here.
1723
1724 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1725
1726         * cfgloop.h (struct loop): Add simdlen member.
1727         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1728         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1729         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1730         as new argument to autovectorize_vector_sizes target hook.  If
1731         loop->simdlen, pick up vector size where the vectorization factor
1732         is equal to loop->simd, and if there is none, fall back to the first
1733         successful one.
1734         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1735         caller.
1736         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1737         * omp-general.c (omp_max_vf): Likewise.
1738         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1739         * tree-vect-slp.c (vect_slp_bb): Likewise.
1740         * target.def (autovectorize_vector_sizes): Add ALL argument and
1741         document it.
1742         * doc/tm.texi: Adjust documentation.
1743         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1744         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1745         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1746         bool argument.
1747         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1748         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1749         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1750         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1751         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1752         preferred vector size is not 512-bit or 256-bit, just put those
1753         unpreferred ones last.
1754
1755 2019-05-20  Martin Liska  <mliska@suse.cz>
1756
1757         * targhooks.c (default_libc_has_fast_function): New function.
1758         * targhooks.h (default_libc_has_fast_function): Likewise.
1759
1760 2019-05-20  Martin Liska  <mliska@suse.cz>
1761
1762         PR middle-end/90263
1763         * builtins.c (expand_builtin_memory_copy_args): When having a
1764         target with fast mempcpy implementation do now use memcpy.
1765         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1766         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1767         * doc/tm.texi: Likewise.
1768         * doc/tm.texi.in: Likewise.
1769         * target.def:
1770         * expr.c (emit_block_move_hints): Add 2 new arguments.
1771         * expr.h (emit_block_move_hints): Bail out when libcall
1772         to memcpy would be used.
1773
1774 2019-05-20  Martin Liska  <mliska@suse.cz>
1775
1776         * profile-count.c: Add vertical spacing in order
1777         to separate functions.
1778         * profile-count.h: Likewise.
1779
1780 2019-05-20  Martin Liska  <mliska@suse.cz>
1781
1782         * profile-count.h: Do not use full qualified
1783         names if possible.
1784         * profile-count.c (profile_count::to_frequency): Likewise.
1785
1786 2019-05-20  Martin Liska  <mliska@suse.cz>
1787
1788         * profile-count.h (enum profile_quality): Use capital letters
1789         for enum value names.  Use the adjusted names.
1790         * profile-count.c: Use the adjusted names.
1791
1792 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1793
1794         * config/rs6000/constraints.md (define_register_constraint "wH"):
1795         Delete.
1796         (define_register_constraint "wI"): Delete.
1797         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1798         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1799         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1800         (rs6000_init_hard_regno_mode_ok): Adjust.
1801         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1802         resp. "d", or with "wa" as appropriate, all with "p8v".
1803         * config/rs6000/vsx.md: Ditto.
1804         * doc/md.texi (Machine Constraints): Adjust.
1805
1806 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1807
1808         * config/rs6000/constraints.md (define_register_constraint "wy"):
1809         Delete.
1810         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1811         RS6000_CONSTRAINT_wy.
1812         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1813         (rs6000_init_hard_regno_mode_ok): Adjust.
1814         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1815         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1816         (define_mode_attr Fisa): New.
1817         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1818         * doc/md.texi (Machine Constraints): Adjust.
1819
1820 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1821
1822         * config/rs6000/constraints.md (define_register_constraint "wu"):
1823         Delete.
1824         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1825         RS6000_CONSTRAINT_wu.
1826         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1827         (rs6000_init_hard_regno_mode_ok): Adjust.
1828         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1829         both with "p8v".
1830         (define_mode_attr Fa): Delete.
1831         * config/rs6000/vsx.md: Ditto.
1832         * doc/md.texi (Machine Constraints): Adjust.
1833
1834 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1835
1836         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1837         Delete.
1838         (define_register_constraint "wK"): Delete.
1839         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1840         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1841         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1842         (rs6000_init_hard_regno_mode_ok): Adjust.
1843         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1844         Replace "wK" constraint by "wH" with "p9v".
1845         * config/rs6000/vsx.md: Ditto.
1846         * doc/md.texi (Machine Constraints): Adjust.
1847
1848 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1849
1850         * config/rs6000/constraints.md (define_register_constraint "wb"):
1851         Delete.
1852         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1853         RS6000_CONSTRAINT_wb.
1854         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1855         (rs6000_init_hard_regno_mode_ok): Adjust.
1856         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1857         * config/rs6000/vsx.md: Ditto.
1858         * doc/md.texi (Machine Constraints): Adjust.
1859
1860 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1861
1862         * config/rs6000/constraints.md (define_register_constraint "wo"):
1863         Delete.
1864         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1865         RS6000_CONSTRAINT_wo.
1866         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1867         (rs6000_init_hard_regno_mode_ok): Adjust.
1868         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1869         * config/rs6000/altivec.md: Ditto.
1870         * doc/md.texi (Machine Constraints): Adjust.
1871
1872 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1873
1874         * config/darwin-c.c (darwin_register_objc_includes): Do not
1875         prepend the sysroot when building gnu-runtime header search
1876         paths.
1877
1878 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1879
1880         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1881         instead of direct output of the asm.
1882
1883 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1884
1885         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1886         argument to be type bool (was int before).
1887         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1888         at first use.  Use type bool for some variables.  Fix a theoretical
1889         eh_return bug for svr4.
1890
1891 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1892
1893         * config/rs6000/rs6000.md (isa): New attribute.
1894         (enabled): New attribute.
1895
1896 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1897
1898         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1899         assemble_start_function and assemble_end_function.
1900
1901 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1902
1903         PR middle-end/89433
1904         * omp-general.c (oacc_verify_routine_clauses): Change formal
1905         parameters.  Add checking if already marked with an OpenACC
1906         'routine' directive.  Adjust all users.
1907
1908         PR middle-end/89433
1909         * omp-general.c (oacc_build_routine_dims): Move some of its
1910         processing into...
1911         (oacc_verify_routine_clauses): ... this new function.
1912         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1913
1914 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1915
1916         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1917         formating of picbase labels to match other ports.
1918
1919 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1920
1921         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1922         in the generated code.
1923
1924 2019-05-16  Martin Sebor  <msebor@redhat.com>
1925
1926         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1927         identifiers, keywords, operators, and types in diagnostics.  Correct
1928         quoting, spelling, and sentence capitalization issues.
1929         (expand_builtin_atomic_is_lock_free): Same.
1930         (fold_builtin_next_arg): Same.
1931         * cfgexpand.c (expand_one_var): Same.
1932         (tree_conflicts_with_clobbers_p): Same.
1933         (expand_asm_stmt): Same.
1934         (verify_loop_structure): Same.
1935         * cgraphunit.c (process_function_and_variable_attributes): Same.
1936         * collect-utils.c (collect_execute): Same.
1937         * collect2.c (maybe_run_lto_and_relink): Same.
1938         (is_lto_object_file): Same.
1939         (scan_prog_file): Same.
1940         * convert.c (convert_to_real_1): Same.
1941         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1942         * except.c (verify_eh_tree): Same.
1943         * gcc.c (execute): Same.
1944         (eval_spec_function): Same.
1945         (run_attempt): Same.
1946         (driver::set_up_specs): Same.
1947         (compare_debug_auxbase_opt_spec_function): Same.
1948         * gcov-tool.c (unlink_gcda_file): Same.
1949         (do_merge): Same.
1950         (do_rewrite): Same.
1951         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1952         * gimplify.c (gimplify_asm_expr): Same.
1953         (gimplify_adjust_omp_clauses): Same.
1954         * hsa-gen.c (gen_hsa_addr_insns): Same.
1955         (gen_hsa_insns_for_load): Same.
1956         (gen_hsa_cmp_insn_from_gimple): Same.
1957         (gen_hsa_insns_for_operation_assignment): Same.
1958         (gen_get_level): Same.
1959         (gen_hsa_alloca): Same.
1960         (omp_simple_builtin::generate): Same.
1961         (gen_hsa_atomic_for_builtin): Same.
1962         (gen_hsa_insns_for_call): Same.
1963         * input.c (dump_location_info): Same.
1964         * ipa-devirt.c (compare_virtual_tables): Same.
1965         * ira.c (ira_setup_eliminable_regset): Same.
1966         * lra-assigns.c (lra_assign): Same.
1967         * lra-constraints.c (lra_constraints): Same.
1968         * lto-streamer-in.c (lto_input_mode_table): Same.
1969         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1970         (merge_and_complain): Same.
1971         (compile_offload_image): Same.
1972         (compile_images_for_offload_targets): Same.
1973         (debug_objcopy): Same.
1974         (run_gcc): Same.
1975         (main): Same.
1976         * opts.c (print_specific_help): Same.
1977         (parse_no_sanitize_attribute): Same.
1978         (print_help): Same.
1979         (handle_param): Same.
1980         * plugin.c (add_new_plugin): Same.
1981         (parse_plugin_arg_opt): Same.
1982         (try_init_one_plugin): Same.
1983         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1984         operators, and types in diagnostics.  Correct quoting and spelling
1985         issues.
1986         * read-rtl-function.c (parse_edge_flag_token): Same.
1987         (function_reader::parse_enum_value): Same.
1988         * reg-stack.c (check_asm_stack_operands): Same.
1989         * regcprop.c (validate_value_data): Same.
1990         * sched-rgn.c (make_pass_sched_fusion): Same.
1991         * stmt.c (check_unique_operand_names): Same.
1992         * targhooks.c (default_target_option_pragma_parse): Same.
1993         * tlink.c (recompile_files): Same.
1994         * toplev.c (process_options): Same.
1995         (do_compile): Same.
1996         * trans-mem.c (diagnose_tm_1): Same.
1997         (ipa_tm_scan_irr_block): Same.
1998         (ipa_tm_diagnose_transaction): Same.
1999         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2000         format a tree code name in a diagnostic.
2001         (verify_types_in_gimple_min_lval): Same.
2002         (verify_types_in_gimple_reference): Same.
2003         (verify_gimple_call): Same.
2004         (verify_gimple_assign_unary): Same.
2005         (verify_gimple_assign_binary): Same.
2006         (verify_gimple_assign_ternary): Same.
2007         (verify_gimple_assign_single): Same.
2008         (verify_gimple_switch): Same.
2009         (verify_gimple_label): Same.
2010         (verify_gimple_phi): Same.
2011         (verify_gimple_in_seq): Same.
2012         (verify_eh_throw_stmt_node): Same.
2013         (collect_subblocks): Same.
2014         (gimple_verify_flow_info): Same.
2015         (do_warn_unused_result): Same.
2016         * tree-inline.c (expand_call_inline): Same.
2017         * tree-into-ssa.c (update_ssa): Same.
2018         * tree.c (tree_int_cst_elt_check_failed): Same.
2019         (tree_vec_elt_check_failed): Same.
2020         (omp_clause_operand_check_failed): Same.
2021         (verify_type_variant): Same.
2022         (verify_type): Same.
2023         * value-prof.c (verify_histograms): Same.
2024         * varasm.c (assemble_start_function): Same.
2025
2026 2019-05-16  Martin Sebor  <msebor@redhat.com>
2027
2028         * config/i386/i386-expand.c (get_element_number): Quote keywords
2029         and other internal names in diagnostics.  Adjust other diagnostic
2030         formatting issues noted by -Wformat-diag.
2031         * config/i386/i386-features.c
2032         (ix86_mangle_function_version_assembler_name): Same.
2033         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2034         * config/i386/i386.c (ix86_function_type_abi): Same.
2035         (ix86_function_ms_hook_prologue): Same.
2036         (classify_argument): Same.
2037         (ix86_expand_prologue): Same.
2038         (ix86_md_asm_adjust): Same.
2039         (ix86_memmodel_check): Same.
2040
2041 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2042
2043         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2044         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2045         and fpxx modes.
2046
2047 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2048
2049         PR target/90497
2050         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2051         intrinsics without SSE/SSE2/SSSE3.
2052         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2053         check.
2054         (*mmx_uavgv8qi3): Likewise.
2055
2056 2019-05-17  Richard Biener  <rguenther@suse.de>
2057
2058         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2059         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2060
2061 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2062
2063         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2064         vec_sldw insn pattern.
2065
2066 2019-05-17  Richard Biener  <rguenther@suse.de>
2067
2068         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2069
2070 2019-05-17  Martin Liska  <mliska@suse.cz>
2071
2072         PR driver/90496
2073         * toplev.c (output_stack_usage): With LTO and sanitizer it
2074         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2075         has no file location.
2076
2077 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR c++/90484
2080         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2081         sz0 is equal to sz1, instead return false in that case.
2082
2083         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2084         has non-constant expression, force sctx.lane and use two
2085         argument IFN_GOMP_SIMD_LANE instead of single argument.
2086         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2087         two argument IFN_GOMP_SIMD_LANE without lhs.
2088         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2089         member.
2090         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2091         Define.
2092         (LOOP_REQUIRES_VERSIONING): Or in
2093         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2094         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2095         simd_if_cond.
2096         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2097         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2098         from simd if clause if needed.
2099
2100 2019-05-16  Richard Biener  <rguenther@suse.de>
2101
2102         * tree-affine.c (expr_to_aff_combination): New function split
2103         out from...
2104         (tree_to_aff_combination): ... here.
2105         (aff_combination_expand): Avoid building a GENERIC tree.
2106
2107 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2108
2109         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2110         assemble_start_function and assemble_end_function calls.
2111         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2112         assemble_start_function and assemble_end_function.
2113         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2114         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2115         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2116         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2117         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2118         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2119         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2120         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2121         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2122         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2123         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2124         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2125         Likewise.
2126         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2127         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2128         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2129         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2130         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2131         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2132         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2133         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2134         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2135         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2136         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2137         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2138         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2139         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2140         Likewise.
2141         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2142         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2143         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2144
2145 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2146
2147         * tree-ssa-alias.c (alias_stats): Add
2148         aliasing_component_refs_p_may_alias and
2149         aliasing_component_refs_p_no_alias.
2150         (dump_alias_stats): Print aliasing_component_refs_p stats.
2151         (aliasing_component_refs_p): Update stats.
2152
2153 2019-05-16  Martin Liska  <mliska@suse.cz>
2154
2155         PR lto/90500
2156         * multiple_target.c (expand_target_clones): Do not allow
2157         target_clones being used with a symbol that is an alias.
2158
2159 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2160
2161         PR tree-optimization/90394
2162         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2163         positives rather than ICE for cases where (code2 == NE_EXPR
2164         && code1 == BIT_AND_EXPR).
2165
2166 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR fortran/90329
2169         * tree-core.h (struct tree_decl_common): Document
2170         decl_nonshareable_flag for PARM_DECLs.
2171         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2172         * calls.c (expand_call): Don't try tail call if caller
2173         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2174         passed on the stack and callee needs to pass any arguments on the
2175         stack.
2176         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2177         else if instead of series of mutually exclusive ifs.  Handle
2178         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2179         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2180
2181         * lto-streamer.h (LTO_major_version): Bump to 9.
2182
2183 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2184
2185         PR tree-optimization/90106
2186         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2187         new parameter as new internal function call, also move it to new
2188         basic block.
2189         (use_internal_fn): Pass internal function call to
2190         shrink_wrap_one_built_in_call_with_conds.
2191
2192 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2193
2194         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2195         max_vf to 1.
2196         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2197         safelen_int and set loop->dont_vectorize.
2198
2199 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2200
2201         PR target/89021
2202         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2203         SSE/SSE2/SSSE3.
2204         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2205         Likewise.
2206         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2207         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2208         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2209         is defined.
2210
2211 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2212
2213         PR target/89021
2214         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2215         define_insn_and_split to support SSE emulation.
2216         (*vec_extractv2sf_0): Likewise.
2217         (*vec_extractv2sf_1): Likewise.
2218         (*vec_extractv2si_0): Likewise.
2219         (*vec_extractv2si_1): Likewise.
2220         (*vec_extractv2si_zext_mem): Likewise.
2221         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2222         (vec_extractv2sf_1 splitter): Likewise.
2223         (vec_extractv2sfsf): Likewise.
2224         (vec_setv2si): Likewise.
2225         (vec_extractv2si_1 splitter): Likewise.
2226         (vec_extractv2sisi): Likewise.
2227         (vec_setv4hi): Likewise.
2228         (vec_extractv4hihi): Likewise.
2229         (vec_setv8qi): Likewise.
2230         (vec_extractv8qiqi): Likewise.
2231         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2232         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2233         (vec_extractv2sisi): Likewise.
2234         (vec_extractv4hihi): Likewise.
2235         (vec_extractv8qiqi): Likewise.
2236         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2237         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2238         (vec_initv2sisi): Likewise.
2239         (vec_initv4hihi): Likewise.
2240         (vec_initv8qiqi): Likewise.
2241         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2242         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2243         (vec_setv4hi): Likewise.
2244         (vec_setv8qi): Likewise.
2245
2246 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2247
2248         PR target/89021
2249         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2250         TARGET_MMX_WITH_SSE.
2251         (MMXMODE:*mov<mode>_internal): Likewise.
2252         (MMXMODE:movmisalign<mode>): Likewise.
2253
2254 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2255
2256         PR target/89021
2257         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2258         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2259         (sse2_cvtpd2pi): Ditto.
2260         (sse2_cvttpd2pi): Ditto.
2261         (*vec_concatv2sf_sse4_1): Ditto.
2262         (*vec_concatv2sf_sse): Ditto.
2263         (*vec_concatv2si_sse4_1): Ditto.
2264         (*vec_concatv2si): Ditto.
2265         (*vec_concatv4si_0): Ditto.
2266         (*vec_concatv2di_0): Ditto.
2267
2268 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2269
2270         PR target/89021
2271         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2272
2273 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2274
2275         PR target/89021
2276         * config/i386/sse.md (ssse3_palignrdi): Changed to
2277         define_insn_and_split to support SSE emulation.
2278
2279 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2280
2281         PR target/89021
2282         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2283
2284 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2285
2286         PR target/89021
2287         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2288         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2289         SSE emulation.
2290
2291 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2292
2293         PR target/89021
2294         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2295         or TARGET_MMX_WITH_SSE.
2296         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2297
2298 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2299
2300         PR target/89021
2301         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2302
2303 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2304
2305         PR target/89021
2306         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2307         Changed to define_insn_and_split to support SSE emulation.
2308
2309 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2310
2311         PR target/89021
2312         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2313         Changed to define_insn_and_split to support SSE emulation.
2314
2315 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2316
2317         PR target/89021
2318         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2319         (*mmx_<emms>): This.
2320         (mmx_<emms>): New expander.
2321
2322 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2323
2324         PR target/89021
2325         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2326         support.
2327         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2328
2329 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2330
2331         PR target/89021
2332         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2333
2334 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2335
2336         PR target/89021
2337         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2338
2339 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2340
2341         PR target/89021
2342         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2343         TARGET_MMX_WITH_SSE.
2344         (*mmx_uavgv4hi3): Add SSE emulation.
2345
2346 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2347
2348         PR target/89021
2349         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2350         and TARGET_MMX_WITH_SSE.
2351         (*mmx_uavgv8qi3): Add SSE emulation.
2352
2353 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2354
2355         PR target/89021
2356         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2357         maskmovdqu for __MMX_WITH_SSE__.
2358
2359 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2360
2361         PR target/89021
2362         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2363         TARGET_MMX and TARGET_MMX_WITH_SSE.
2364         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2365
2366 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2367
2368         PR target/89021
2369         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2370         define_insn_and_split to support SSE emulation.
2371
2372 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2373
2374         PR target/89021
2375         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2376         and TARGET_MMX_WITH_SSE.
2377         (mmx_<code>v8qi3): Likewise.
2378         (smaxmin:<code>v4hi3): New.
2379         (umaxmin:<code>v8qi3): Likewise.
2380         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2381         (umaxmin:*mmx_<code>v8qi3): Likewise.
2382
2383 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2384
2385         PR target/89021
2386         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2387         TARGET_MMX_WITH_SSE.
2388         (*mmx_pinsrw): Add SSE emulation.
2389
2390 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2391
2392         PR target/89021
2393         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2394
2395 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2396
2397         PR target/89021
2398         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2399         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2400         SSE emulation.
2401
2402 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2403
2404         PR target/89021
2405         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2406         (sse_cvttps2pi): Likewise.
2407
2408 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2409
2410         PR target/89021
2411         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2412         TARGET_MMX_WITH_SSE.
2413         (mmx_pshufw_1): Add SSE emulation.
2414         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2415         TARGET_MMX_WITH_SSE to support SSE emulation.
2416
2417 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2418
2419         PR target/89021
2420         * config/i386/constraints.md (Yw): New constraint.
2421         * config/i386/mmx.md (*vec_dupv2si): Changed to
2422         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2423         support SSE emulation.
2424
2425 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2426
2427         PR target/89021
2428         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2429         TARGET_MMX_WITH_SSE.
2430         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2431         support.
2432         (mmx_gt<mode>3): Likewise.
2433
2434 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2435
2436         PR target/89021
2437         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2438         TARGET_MMX_WITH_SSE.  Add SSE support.
2439
2440 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2441
2442         PR target/89021
2443         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2444         TARGET_MMX_WITH_SSE.
2445         (any_logic:<code><mode>3): New.
2446         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2447         Add SSE support.
2448
2449 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2450
2451         PR target/89021
2452         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2453         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2454         (mmx_<shift_insn><mode>3): Likewise.
2455         (ashr<mode>3): New.
2456         (<shift_insn><mode>3): Likewise.
2457
2458 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2459
2460         PR target/89021
2461         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2462         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
2463
2464 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2465
2466         PR target/89021
2467         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2468         TARGET_MMX_WITH_SSE.
2469         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2470         SSE support.
2471
2472 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2473
2474         PR target/89021
2475         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2476         TARGET_MMX_WITH_SSE.
2477         (mulv4hi3): New.
2478         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2479         support.
2480
2481 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2482
2483         PR target/89021
2484         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2485         (plusminus:mmx_<plusminus_insn><mode>3): Check
2486         TARGET_MMX_WITH_SSE.
2487         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2488         (<plusminus_insn><mode>3): New.
2489         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2490         (*mmx_<plusminus_insn><mode>3): Likewise.
2491
2492 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2493
2494         PR target/89021
2495         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2496         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2497         prototype.
2498         * config/i386/mmx.m (mmx_punpckhbw): Changed to
2499         define_insn_and_split to support SSE emulation.
2500         (mmx_punpcklbw): Likewise.
2501         (mmx_punpckhwd): Likewise.
2502         (mmx_punpcklwd): Likewise.
2503         (mmx_punpckhdq): Likewise.
2504         (mmx_punpckldq): Likewise.
2505
2506 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2507             Uros Bizjak  <ubizjak@gmail.com>
2508
2509         PR target/89021
2510         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2511         New function.
2512         (ix86_split_mmx_pack): Likewise.
2513         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2514         New prototype.
2515         (ix86_split_mmx_pack): Likewise.
2516         * config/i386/i386.md (mmx_isa): New.
2517         (enabled): Also check mmx_isa.
2518         * config/i386/mmx.md (any_s_truncate): New code iterator.
2519         (s_trunsuffix): New code attr.
2520         (mmx_packsswb): Removed.
2521         (mmx_packssdw): Likewise.
2522         (mmx_packuswb): Likewise.
2523         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2524         MMX packsswb/packuswb with SSE2.
2525         (mmx_packssdw): Likewise.
2526         * config/i386/predicates.md (register_mmxmem_operand): New.
2527
2528 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2529
2530         PR target/89021
2531         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2532         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2533         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2534         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2535         (ix86_vector_mode_supported_p): Likewise.
2536         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2537
2538 2019-05-15  Martin Liska  <mliska@suse.cz>
2539
2540         PR middle-end/90478
2541         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2542         Check for overflow.
2543
2544 2019-05-15  Richard Biener  <rguenther@suse.de>
2545
2546         * tree-into-ssa.c (pass_build_ssa::execute): Run
2547         update_address_taken before going into SSA.
2548
2549 2019-05-15  Richard Biener  <rguenther@suse.de>
2550
2551         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2552         as __BIT_FIELD_REF with type with -gimple.
2553
2554 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2555
2556         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2557         semantically equivalent branches (left over after prior refactorings).
2558
2559 2019-05-15  Richard Biener  <rguenther@suse.de>
2560
2561         PR tree-optimization/88828
2562         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2563         bogus check.
2564
2565 2019-05-14  Richard Biener  <rguenther@suse.de>
2566
2567         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2568         as __VIEW_CONVERT with -gimple.
2569
2570 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2571
2572         PR target/82920
2573         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2574         Darwin.
2575
2576 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2577
2578         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2579         define_split to become a define_insn_and_split.
2580
2581 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2582
2583         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2584         arguments.
2585         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2586         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2587         (sibcall_epilogue): Adjust.
2588         (epilogue): Adjust.
2589
2590 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2591
2592         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2593         to unsupported ones.
2594         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2595         * config.host: Likewise.
2596         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2597         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2598         __svr4__]: Remove "brand" fallback.
2599         [!KSTAT_DATA_STRING]: Remove.
2600         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2601         to *-*-solaris2*.
2602         (comdat_group): Likewise.
2603         (set_have_as_tls): Likewise.
2604         (gcc_cv_target_dl_iterate_phdr): Likewise.
2605         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2606         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2607         * configure: Regenerate.
2608         * doc/install.texi: Simplify Solaris target triplets.
2609         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2610         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2611         Remove Solaris 10 references.
2612         Remove obsolete Solaris bug reference.
2613         (Specific, sparc-sun-solaris2.10): Remove.
2614
2615 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2616
2617         * config/i386/i386.md (any_div): New code iterator.
2618         (paired_mod): New code attribute.
2619         (sgnprefix): Handle DIV and UDIV RTXes.
2620         (u): Ditto.
2621         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2622         and udivmod<mode>4 patterns using any_div code iterator.
2623         (divmod splitters): Macroize splitters using any_div code iterator.
2624         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2625         (*udivmodsi4_pow2_zext_2): Ditto.
2626         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2627         and *udivmod<mode>4_noext patterns using any_div code iterator.
2628         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2629         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2630         patterns using any_div code iterator.
2631         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2632         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2633         patterns using any_div code iterator.
2634         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2635         udivmodhiqi3 patterns using any_extend code iterator.
2636
2637 2019-05-14  Richard Biener  <rguenther@suse.de>
2638             H.J. Lu  <hongjiu.lu@intel.com>
2639
2640         PR tree-optimization/88828
2641         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2642         permuting in a single non-constant element not extracted
2643         from a vector.
2644
2645 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2646
2647         * internal-fn.def (SIGNBIT): New.
2648         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2649         defined.
2650         (signbitv4sf2): Likewise.
2651
2652 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2653
2654         PR target/90357
2655         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2656         next insn when the SRC reg is dead.
2657
2658 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2659
2660         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2661         (alloc_cand_and_find_basis): Ditto.
2662         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2663         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2664         (create_add_imm_cand, slsr_process_cast): Ditto.
2665         (slsr_process_copy, replace_mult_candidate): Ditto.
2666         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2667         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2668         (pass_strength_reduction::execute): Init the first NULL element.
2669
2670 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2671
2672         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2673         (run_attempt): Reformat line break.
2674
2675 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2676
2677         PR target/90418
2678         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2679         data registers in sibcall epilogues.
2680         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2681
2682 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2683
2684         PR target/89221
2685         * configure.ac (--enable-frame-pointer):
2686         Disable by default for cygwin and mingw.
2687         * configure: Regenerate.
2688
2689 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2690
2691         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2692         piece of code.
2693         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2694         (gen_member_die): Move abstract origin check earlier.  Only VARs
2695         can be static_inline_p.  Simplify splicing control flow.
2696
2697 2019-05-13  Richard Biener  <rguenther@suse.de>
2698
2699         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2700         VIEW_CONVERT_EXPR.
2701         (vect_build_slp_tree_1): Likewise.
2702
2703 2019-05-13  Richard Biener  <rguenther@suse.de>
2704
2705         PR tree-optimization/90402
2706         * tree-if-conv.c (tree_if_conversion): Value number only
2707         the loop body by making the latch an exit of the region
2708         as well.
2709         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2710         processing PHIs.
2711         (do_rpo_vn): Deal with multiple edges into the entry block
2712         that are not backedges inside the region by skipping PHIs
2713         of the entry block.
2714
2715 2019-05-13  Richard Biener  <rguenther@suse.de>
2716
2717         PR tree-optimization/90316
2718         * tree-ssa-pre.c (insert_aux): Fold into ...
2719         (insert): ... this function.  Use a RPO walk to reduce the
2720         number of required iterations.
2721
2722 2019-05-13  Martin Liska  <mliska@suse.cz>
2723
2724         PR tree-optimization/90416
2725         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2726         string instead of passing the second part as va_arg argument.
2727
2728 2019-05-13  Martin Liska  <mliska@suse.cz>
2729
2730         PR gcov-profile/90380
2731         * gcov.c (handle_cycle): Do not support zero cycle count,
2732         it should not be possible.
2733         (path_contains_zero_cycle_arc): New function.
2734         (circuit): Ignore zero cycle arc counts.
2735
2736 2019-05-13  Martin Liska  <mliska@suse.cz>
2737
2738         PR gcov-profile/90380
2739         * gcov.c (enum loop_type): Remove the enum and
2740         the operator.
2741         (handle_cycle): Assert that we should not reach
2742         a negative count.
2743         (circuit): Use loop_found instead of a tri-state loop_type.
2744         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2745         happen.
2746
2747 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2748
2749         PR target/82920
2750         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2751         (ix86_output_indirect_branch_via_reg): Use output mechanism
2752         accounting for __USER_LABEL_PREFIX__.
2753         (ix86_output_indirect_branch_via_push): Likewise.
2754         (ix86_output_function_return): Likewise.
2755         (ix86_output_indirect_function_return): Likewise.
2756
2757 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2758
2759         * doc/md.texi: Document use of code attributes in rtx patterns.
2760         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2761         * read-rtl.c (find_code): Split out search loops into...
2762         (maybe_find_code): ...this new function.
2763         (check_code_iterator): Make the error message more informative.
2764         (check_code_attribute): New function.
2765         (rtx_reader::rtx_alloc_for_name): Likewise.
2766         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2767         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2768         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2769         <max_opp> directly as an rtx code instead of via a match_operator.
2770         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2771         (<su>abd<mode>_3): Update accordingly.
2772
2773 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2774
2775         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2776         is given, print the state of the EH "save world" computation for
2777         Darwin.
2778
2779 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2780
2781         PR c++/59813
2782         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2783         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2784
2785 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2786
2787         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2788         Use pinsrd for TARGET_SSE4_1.
2789         * config/i386/sse.md (movdi_to_sse): Ditto.
2790
2791 2019-05-10  Richard Biener  <rguenther@suse.de>
2792
2793         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2794         (do_rpo_vn): Initialize next_value_id.
2795
2796 2019-05-10  Martin Liska  <mliska@suse.cz>
2797
2798         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2799         Fix plural form.
2800
2801 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2802
2803         PR tree-optimization/90385
2804         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2805         arguments of the exit phis.
2806
2807         PR c++/90383
2808         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2809         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2810         id->do_not_fold.
2811         (copy_tree_body_r): Likewise.
2812         (copy_fn): Set id.do_not_fold to true.
2813
2814 2019-05-10  Martin Liska  <mliska@suse.cz>
2815
2816         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2817         Reapply changes from r269790.
2818
2819 2019-05-10  Martin Liska  <mliska@suse.cz>
2820
2821         PR middle-end/90340
2822         * doc/invoke.texi: New params.
2823         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2824         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2825         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2826         Use it.
2827         * tree-switch-conversion.h (struct jump_table_cluster):
2828         Likewise.
2829
2830 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2831
2832         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2833
2834 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2835
2836         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2837
2838 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2839
2840         PR rtl-optimization/88879
2841         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2842
2843 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2844
2845         PR target/90405
2846         * config/arm/arm.c (callee_saved_reg_p): Move before
2847         thumb_find_work_register.
2848         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2849         thumb_find_work_register.  Only call df_get_live_out once.
2850         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2851         (thumb_find_work_register): Use
2852         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2853         algorithms to locate a spare call clobbered reg.
2854
2855 2019-05-09  Martin Liska  <mliska@suse.cz>
2856
2857         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2858         and MAX_EXPR in GIMPLE FE format.
2859
2860 2019-05-09  Martin Liska  <mliska@suse.cz>
2861
2862         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2863         * gimple-pretty-print.c (dump_gimple_bb_header):
2864         Dump BB count.
2865         (pp_cfg_jump): Dump edge probability.
2866         * profile-count.c (profile_quality_as_string): Simplify
2867         with a static array.
2868         (parse_profile_quality): New function.
2869         (profile_count::dump): Simplify with a static array.
2870         (profile_count::from_gcov_type): Add new argument.
2871         * profile-count.h (parse_profile_quality): Likewise.
2872         * predict.h (set_hot_bb_threshold): New.
2873         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2874         New param.
2875         * predict.c (get_hot_bb_threshold): Set from the new param.
2876         (set_hot_bb_threshold): New.
2877
2878 2019-05-09  Richard Biener  <rguenther@suse.de>
2879
2880         PR tree-optimization/90395
2881         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2882         rewrite vector stores that throw internally.
2883
2884 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2885
2886         * cif-code.def (CHKP): Remove.
2887
2888         PR target/89221
2889         * configure.ac (--enable-frame-pointer): Disable by default for
2890         GNU systems.
2891         * configure: Regenerate.
2892
2893 2019-05-09  Alan Modra  <amodra@gmail.com>
2894
2895         PR target/89271
2896         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2897         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2898         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2899         cost for general <-> vsx when direct moves are available.
2900         Cost union classes at minimal cost for any reg in the class.
2901         Correct calculation for moves between vsx, float, and altivec.
2902         Don't return a low cost for moves between special regs.  Don't
2903         use hard coded register numbers.
2904         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2905         (rs6000_ira_change_pseudo_allocno_class): New function.
2906         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2907         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2908         alternatives.
2909         (movsi_internal1): Don't disparage vector alternatives.
2910         (mov<mode>_internal): Likewise, excepting alternative that
2911         will be split.
2912         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2913         we <- b alternative.
2914
2915 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR c++/59813
2918         PR tree-optimization/89060
2919         * tree-ssa-live.h (live_vars_map): New typedef.
2920         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2921         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2922         (struct compute_live_vars_data): New type.
2923         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2924         live_vars_at_stmt, destroy_live_vars): New functions.
2925         * tree-tailcall.c: Include tree-ssa-live.h.
2926         (live_vars, live_vars_vec): New global variables.
2927         (find_tail_calls): Perform variable life analysis before punting.
2928         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2929         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2930         member.
2931         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2932         Perform variable life analysis to select variables that really need
2933         clobbers added.
2934         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2935         instead set id->eh_landing_pad_dest and assert it is the same.
2936         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2937
2938 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2939             Richard Earnshaw  <rearnsha@arm.com>
2940
2941         PR target/88167
2942         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2943         function.
2944         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2945         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2946         register if both the epilogue and prologue can use call-clobbered
2947         regs.
2948         (thumb1_unexpanded_epilogue): Use
2949         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2950         picking temporaries for restoring high regs to match that of the
2951         prologue where possible.
2952         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2953         the list of work registers.  Detect if the return address is still live
2954         at the end of the prologue and avoid using it for a work register if so.
2955         If the return address is not live, add LR to the list of pushable regs
2956         after the first pass.
2957
2958 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2959
2960         PR tree-optimization/90078
2961         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2962         (INFTY): Increase the value for infinite cost.
2963         (struct comp_cost): Promote type of members to int64_t.
2964         (infinite_cost): Don't set complexity in initialization.
2965         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2966         overflows to infinite_cost.
2967         (adjust_setup_cost): Promote type of parameter and cost computation
2968         to int64_t.
2969         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2970         int64_t.
2971         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2972         cost computation to int64_t.
2973         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2974         int64_t's format specifier in dump.
2975
2976 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2977
2978         PR tree-optimization/90240
2979         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2980         with respect to scaling factor pre-computed for each basic block.
2981         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2982         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2983         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2984         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2985         live range for array of loop's basic blocks.  Cleanup aux field of
2986         loop's basic blocks.
2987
2988 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2989
2990         PR tree-optimization/90356
2991         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2992
2993 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2994
2995         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2996         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2997         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2998         (ix86_handle_option): Handle -mavx512bf16.
2999         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3000         to extra_headers.
3001         * config/i386/avx512bf16vlintrin.h: New.
3002         * config/i386/avx512bf16intrin.h: New.
3003         * config/i386/cpuid.h (bit_AVX512BF16): New.
3004         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3005         * config/i386/i386-builtin-types.def: Add new types.
3006         * config/i386/i386-builtin.def: Add new builtins.
3007         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3008         __AVX512BF16__.
3009         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3010         (ix86_option_override_internal): Handle BF16.
3011         (ix86_valid_target_attribute_inner_p): Ditto.
3012         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3013         * config/i386/i386-builtin.c (enum processor_features): Add
3014         F_AVX512BF16.
3015         (static const _isa_names_table isa_names_table): Ditto.
3016         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3017         (PTA_AVX512BF16): Ditto.
3018         * config/i386/i386.opt: Add -mavx512bf16.
3019         * config/i386/immintrin.h: Include avx512bf16intrin.h
3020         and avx512bf16vlintrin.h.
3021         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3022         avx512f_cvtneps2bf16_<mode><mask_name>,
3023         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3024         * config/i386/subst.md (mask_half): Add new subst.
3025         * doc/invoke.texi: Document -mavx512bf16.
3026
3027 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3028
3029         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3030         Delete declaration.
3031         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3032         (rs6000_debug_legitimize_reload_address): Delete.
3033         (rs6000_legitimize_reload_address_ptr): Delete.
3034         (rs6000_option_override_internal): Adjust.
3035         (mem_operand_gpr): Adjust comment.
3036         (legitimate_lo_sum_address_p): Ditto.
3037         (rs6000_legitimize_reload_address): Delete.
3038         (rs6000_debug_legitimize_reload_address): Delete.
3039         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3040
3041 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3042
3043         PR target/89765
3044         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3045         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3046         to compute vector element selector for both constant and variable
3047         operands.
3048
3049 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3050
3051         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3052         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3053         ashrdi3_cvt using SWI48 mode iterator.
3054
3055 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3056
3057         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3058         (aarch64_<su>abd<mode>_3): Likewise.
3059         (*aarch64_<su>abd<mode>_3): New define_insn.
3060         (<sur>sad<vsi2qi>): New define_expand.
3061         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3062         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3063         (build_vect_cond_expr): Likewise.
3064
3065 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3066
3067         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3068         clobbers outside of accessible_reg_set.
3069         * config/i386/i386.c (ix86_conditional_register_usage):
3070         Disable register sets by clearing corresponding bits in
3071         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3072         call_used_regs and don't clear corresponding reg_names array members.
3073
3074 2019-05-07  Richard Biener  <rguenther@suse.de>
3075
3076         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3077         not specified still compute a comp_vectype for invariant
3078         compares.
3079
3080 2019-05-07  Richard Biener  <rguenther@suse.de>
3081
3082         PR tree-optimization/90316
3083         * tree-ssa-pre.c (translate_vuse_through_block): When
3084         same_valid is NULL do not bother to search for a virtual
3085         PHI continuation.
3086         (phi_translate_1): When operands changed we cannot keep
3087         the same value-number so do not bother to ask whether
3088         that's possible from translate_vuse_through_block.
3089
3090 2019-05-07  Martin Liska  <mliska@suse.cz>
3091
3092         * bitmap.c (bitmap_register): Come up with
3093         alloc_descriptor_max_uid and assign it for
3094         a new bitmap.
3095         (register_overhead): Use get_descriptor as
3096         a descriptor.
3097         (release_overhead): New.
3098         (bitmap_elem_to_freelist): Call it.
3099         (bitmap_elt_clear_from): Likewise.
3100         (bitmap_obstack_free): Likewise.
3101         (bitmap_move): Sensitively release memory.
3102         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3103         (bitmap_initialize): Initialize alloc_descriptor to zero.
3104         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3105
3106 2019-05-07  Richard Biener  <rguenther@suse.de>
3107
3108         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3109         we build a SLP node.  Remove max_size and limiting.
3110         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3111
3112 2019-05-07  Richard Biener  <rguenther@suse.de>
3113
3114         PR tree-optimization/90316
3115         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3116         limit by reference.
3117         (walk_non_aliased_vuses): Take walking limit argument.
3118         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3119         walking if it is reached instead of just counting.
3120         (get_continuation_for_phi): Likewise.
3121         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3122         limiting to the callback.
3123         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3124         (vn_reference_lookup_3): Likewise.
3125         (vn_reference_lookup_pieces): Likewise.
3126         (vn_reference_lookup): Likewise.
3127         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3128         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3129         (avail_exprs_stack::lookup_avail_expr): Likewise.
3130
3131 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3132
3133         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3134         for comparaible types in the second direction even if first one
3135         hits incomparable type.
3136
3137 2019-05-07  Richard Biener  <rguenther@suse.de>
3138
3139         PR lto/90369
3140         * lto-wrapper.c (debug_objcopy): Use the original filename
3141         including archive offset for the filename used for -save-temps.
3142
3143 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3144
3145         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3146         detection.
3147
3148 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3149             Hongtao Liu  <hongtao.liu@intel.com>
3150
3151         PR target/89750
3152         PR target/86444
3153         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3154         Modified, original implementation isn't correct.
3155
3156 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3157
3158         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3159         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3160         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3161         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3162         (FRAME_POINTER_REGNUM): Change numbering.
3163         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3164         (alt_reg_names): Adjust.
3165         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3166         fixed.
3167         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3168         (DWARF_FRAME_REGISTERS): Delete.
3169         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3170         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3171         Adjust.
3172         (REG_ALLOC_ORDER): Adjust.
3173         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3174         (REG_CLASS_CONTENTS): Adjust.
3175         (RETURN_ADDR_RTX): Change comment.
3176         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3177         instead of 67.
3178         (REGISTER_NAMES): Adjust.
3179         (ADDITIONAL_REGISTER_NAMES): Adjust.
3180         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3181
3182 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3183
3184         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3185         Delete.
3186         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3187         (DWARF_FRAME_REGISTERS): Adjust.
3188         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3189         Adjust.
3190         (REG_ALLOC_ORDER): Adjust.
3191         (enum reg_class): Delete SPR_REGS.
3192         (REG_CLASS_NAMES): Delete SPR_REGS.
3193         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3194         (REGISTER_NAMES): Adjust.
3195         (ADDITIONAL_REGISTER_NAMES): Adjust.
3196         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3197         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3198         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3199         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3200         (htm_spr_regno): Delete.
3201         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3202         argument.
3203         (rs6000_dbx_register_number): Adjust.
3204
3205 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3206
3207         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3208
3209 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3210
3211         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3212         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3213
3214 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3215
3216         PR tree-optimization/88709
3217         PR tree-optimization/90271
3218         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3219         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3220         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3221         variable.
3222         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3223         of the store merging group is larger than
3224         PARAM_STORE_MERGING_MAX_SIZE parameter.
3225         (split_group): Add bzero_first argument.  If set, always emit first
3226         the first store which must be = {} of the whole area and then for the
3227         rest of the stores consider all zero bytes as paddings.
3228         (imm_store_chain_info::output_merged_store): Check if first store
3229         is = {} of the whole area and if yes, determine which setting of
3230         bzero_first for split_group gives smaller number of stores.  Adjust
3231         split_group callers.
3232         (lhs_valid_for_store_merging_p): Allow decls.
3233         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3234         no elts.
3235         (pass_store_merging::process_store): Likewise.
3236
3237 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3238
3239         PR target/89424
3240         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3241         handling of V1TImode.
3242
3243 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3244
3245         PR target/89221
3246         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3247         and enable_frame_pointer ...
3248         * configure.ac: ... here.  Update help strings for
3249         --enable-frame-pointer.
3250         * configure: Regenerate.
3251         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3252         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3253         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3254         (USE_X86_64_FRAME_POINTER): Ditto.
3255
3256 2019-05-06  Martin Liska  <mliska@suse.cz>
3257
3258         * config.gcc: Append to target_gtfiles and fix indentation.
3259
3260 2019-05-06  Richard Biener  <rguenther@suse.de>
3261
3262         PR tree-optimization/90358
3263         * tree-vect-stmts.c (get_group_load_store_type): Properly
3264         detect unused upper half of load.
3265         (vectorizable_load): Likewise.
3266
3267 2019-05-06  Richard Biener  <rguenther@suse.de>
3268
3269         PR tree-optimization/88828
3270         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3271         (simplify_vector_constructor): ...here.  Handle constants in
3272         the constructor.
3273
3274 2019-05-06  Richard Biener  <rguenther@suse.de>
3275
3276         PR tree-optimization/90328
3277         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3278         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3279         is valid in the loop nest before using it.
3280         (initialize_data_dependence_relation): Adjust.
3281         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3282         loop as loop-nest to dr_may_alias_p.
3283
3284 2019-05-06  Richard Biener  <rguenther@suse.de>
3285
3286         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3287
3288 2019-05-06  Richard Biener  <rguenther@suse.de>
3289
3290         PR tree-optimization/90316
3291         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3292         compute target on demand.
3293         (get_continuation_for_phi): Remove code walking stmts to
3294         get to a target virtual operand which could end up being
3295         quadratic.
3296
3297 2019-05-06  Martin Liska  <mliska@suse.cz>
3298
3299         PR sanitizer/90312
3300         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3301         when -mabi is selected to a non-default version.
3302
3303 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3304             Martin Liska  <mliska@suse.cz>
3305
3306         * Makefile.in: Add lto-dump.texi.
3307         * cgraph.h: Add new functions get_visibility_string and
3308         get_symtab_type_string.
3309         * doc/gcc.texi: Include lto-dump section.
3310         * doc/lto-dump.texi: New file.
3311         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3312         (parse_dump_option): Factor out this function.
3313         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3314         (parse_dump_option): Export the function.
3315         * symtab.c (symtab_node::get_visibility_string): New function.
3316         (symtab_node::get_symtab_type_string): Likewise.
3317
3318 2019-05-06  Martin Liska  <mliska@suse.cz>
3319
3320         * config/i386/i386-builtins.c: New file.
3321         * config/i386/i386-builtins.h: New file.
3322         * config/i386/i386-expand.c: New file.
3323         * config/i386/i386-expand.h: New file.
3324         * config/i386/i386-features.c: New file.
3325         * config/i386/i386-features.h: New file.
3326         * config/i386/i386-options.c: New file.
3327         * config/i386/i386-options.h: New file.
3328         * config.gcc: Add new files into extra_objs and
3329         target_gtfiles.
3330         * config/i386/i386.c: Split content of the file
3331         into newly introduced files.
3332         * config/i386/i386.h: Declare common variables
3333         and macros.
3334         * config/i386/t-i386: Define dependencies for new files.
3335
3336 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3337
3338         PR target/89400
3339         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3340         Restrict 'all' variant to 32-bit configurations.
3341         (unaligned_loadhiu): Likewise.
3342         (unaligned_storehi): Likewise.
3343         (unaligned_storesi): Likewise.
3344         (unaligned_loadhis): Disable when compiling for thumb1.
3345
3346 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3347
3348         PR tree-optimization/90269
3349         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3350         Ignore clobbers.
3351
3352 2019-05-03  Martin Liska  <mliska@suse.cz>
3353
3354         * hash-map.h: Add is_empty function.
3355         * hash-set.h: Likewise.
3356         * hash-table.h: Likewise.
3357         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3358         elements () == 0 (and similar usages).
3359         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3360         * gimplify.c (gimplify_bind_expr): Likewise.
3361         (gimplify_switch_expr): Likewise.
3362         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3363         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3364         * postreload-gcse.c (dump_hash_table): Likewise.
3365         (gcse_after_reload_main): Likewise.
3366         * predict.c (combine_predictions_for_bb): Likewise.
3367         * tree-parloops.c (reduction_phi): Likewise.
3368         (separate_decls_in_region): Likewise.
3369         (transform_to_exit_first_loop): Likewise.
3370         (gen_parallel_loop): Likewise.
3371         (gather_scalar_reductions): Likewise.
3372         (try_create_reduction_list): Likewise.
3373         * var-tracking.c (dump_vars): Likewise.
3374         (emit_notes_for_changes): Likewise.
3375         (vt_emit_notes): Likewise.
3376
3377 2019-05-03  Richard Biener  <rguenther@suse.de>
3378
3379         PR tree-optimization/90316
3380         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3381         before running VN.
3382
3383 2019-05-03  Richard Biener  <rguenther@suse.de>
3384
3385         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3386         peeling for gaps by loading only lower halves of vectors
3387         if possible.
3388         (vectorizable_load): Likewise.
3389
3390 2019-05-03  Richard Biener  <rguenther@suse.de>
3391
3392         PR middle-end/89518
3393         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3394
3395 2019-05-03  Richard Biener  <rguenther@suse.de>
3396
3397         PR middle-end/87314
3398         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3399         Handle STRING_CST vs DECL or STRING_CST.
3400
3401 2019-05-03  Richard Biener  <rguenther@suse.de>
3402
3403         PR tree-optimization/88963
3404         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3405         vector loads feeding only BIT_FIELD_REFs to component
3406         loads.  Rewrite stores fed by CONSTRUCTORs to component
3407         stores.
3408
3409 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3410
3411         * opts.h (finish_options): Remove lang_mask argument.
3412         (print_help, help_option_argument): Declare.
3413         * opts.c (print_help): Remove forward declaration, no longer static.
3414         (finish_options): Remove lang_mask argument, don't call print_help
3415         here.
3416         * opts-global.c (decode_options): Adjust finish_option caller, call
3417         print_help here.
3418
3419         PR tree-optimization/90303
3420         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3421         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3422
3423 2019-05-03  Richard Biener  <rguenther@suse.de>
3424
3425         PR tree-optimization/89698
3426         * gimple-fold.c (canonicalize_constructor_val): Early out
3427         for constants, handle unfolded INTEGER_CSTs as they appear in
3428         C++ virtual table ctors.
3429
3430 2019-05-03  Richard Biener  <rguenther@suse.de>
3431
3432         * passes.c (execute_function_todo): Remove dead code.
3433
3434 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3435
3436         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3437         the internal register number, for any "real" register.
3438
3439 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3440
3441         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3442         correct numbers for TFHAR, TFIAR, TEXASR.
3443
3444 2019-05-02  Richard Biener  <rguenther@suse.de>
3445
3446         PR tree-optimization/89653
3447         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3448         update-address-taken before the pass.
3449         * passes.def (pass_tree_loop_init): Put comment before it.
3450
3451 2019-05-02  Richard Biener  <rguenther@suse.de>
3452
3453         PR tree-optimization/89509
3454         * tree-ssa-structalias.c (compute_dependence_clique): Look
3455         at the first subvar when determining whether it is restrict.
3456
3457 2019-05-02  Richard Biener  <rguenther@suse.de>
3458
3459         PR tree-optimization/90273
3460         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3461         useless debug stmts.
3462
3463 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3464
3465         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3466         ACLE branch.
3467         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3468         SVE ACLE branch.
3469         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3470         VEC_COND_EXPR be inserted to emulate a conditional internal function.
3471         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3472         (vectorizable_reduction): Use the functions above to vectorize in a
3473         fully masked loop codes that don't have a conditional internal
3474         function.
3475
3476 2019-05-02  Martin Liska  <mliska@suse.cz>
3477
3478         * cgraphclones.c: Call valid_attribute_p with 1 for
3479         target_clone.
3480         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3481         it's for target attribute.
3482         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3483         Add new boolean argument.
3484         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3485         Likewise.
3486         (ix86_valid_target_attribute_tree): Pass target_clone_attr
3487         to ix86_valid_target_attribute_inner_p.
3488         (ix86_valid_target_attribute_p): Pass flags argument to
3489         ix86_valid_target_attribute_inner_p.
3490         (get_builtin_code_for_version): Use 0 as it's target attribute.
3491
3492 2019-05-02  Martin Liska  <mliska@suse.cz>
3493
3494         * gcc.c (process_command): Add dummy file only
3495         if n_infiles == 0.
3496         * opts-global.c (decode_options): Pass lang_mask.
3497         * opts.c (print_help): New function.
3498         (finish_options): Print --help if help_option_argument
3499         is set.
3500         (common_handle_option): Factor out content of OPT__help_
3501         into print_help.
3502         * opts.h (finish_options): Add new argument.
3503
3504 2019-05-02  Martin Liska  <mliska@suse.cz>
3505
3506         PR target/88809
3507         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3508         With -minline-all-stringops use inline expansion using 4B loop.
3509         * doc/invoke.texi: Document the change of
3510         -minline-all-stringops.
3511
3512 2019-05-01  Jeff Law  <law@redhat.com>
3513
3514         PR tree-optimization/88797
3515         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3516         PHI feeds a conditional on the RHS of an assignment.
3517
3518 2019-04-30  Andrew Waterman  <andrew@sifive.com>
3519             Jim Wilson  <jimw@sifive.com>
3520
3521         * config/riscv/constraints.md (L): New.
3522         * config/riscv/predicates.md (lui_operand): New.
3523         (sfb_alu_operand): New.
3524         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3525         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3526         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3527         * config/riscv/risc.md (type): Add sfb_alu.
3528         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
3529         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
3530         (branch_zero<mode>): Delete.
3531         (mov<mode>cc): New.
3532         (mov<GPR:mode><X:mode>cc): Likewise.
3533         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
3534
3535 2019-04-30  Nathan Sidwell  <nathan@acm.org>
3536
3537         * tree.h (MARK_TS_EXP): New.
3538
3539 2019-04-30  Martin Liska  <mliska@suse.cz>
3540
3541         * opts.c (enable_warning_as_error): Provide hints
3542         for unknown options.
3543
3544 2019-04-30  Martin Liska  <mliska@suse.cz>
3545
3546         PR debug/90288
3547         * doc/invoke.texi: Add missing dash for gas-locview-support
3548         and gno-as-locview-support.
3549
3550 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3551
3552         PR target/89093
3553         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3554         whitespace at the start of target attribute string.
3555
3556 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3557
3558         PR target/86538
3559         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3560         Define __ARM_FEATURE_ATOMICS.
3561
3562 2019-04-30  Martin Liska  <mliska@suse.cz>
3563
3564         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3565         into built_in_function enum. Remove code for endp == 2 and
3566         use BUILT_IN_* constants.
3567         (gimple_fold_builtin): Call the function with fcode.
3568
3569 2019-04-30  Martin Liska  <mliska@suse.cz>
3570
3571         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3572         DECL_FUNCTION_CODE into ix86_builtins enum before
3573         the switch statement.
3574
3575 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3576
3577         PR tree-optimization/89475
3578         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3579         calls.
3580
3581 2019-04-30  Martin Liska  <mliska@suse.cz>
3582
3583         PR translation/90274
3584         * opts.c (print_filtered_help): Wrap string in _(...).
3585
3586 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3587
3588         PR tree-optimization/90240
3589         Revert:
3590         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3591
3592         PR tree-optimization/90078
3593         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3594         checks for infinite_cost overflow.
3595
3596 2019-04-29  Jeff Law  <law@redhat.com>
3597
3598         * passes.def: Move -Wrestrict pass after copy propagation.
3599
3600 2019-04-29  Maya Rashish  <coypu@sdf.org>
3601
3602         * config.gcc (default_gnu_indirect_function): Default to yes
3603         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3604         sparc*-*-netbsd*, x86_64-*-netbsd*.
3605
3606 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3607
3608         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3609         where cond2 is NE_EXPR.
3610         (is_value_included_in): Update comment.
3611
3612 2019-04-29  Richard Biener  <rguenther@suse.de>
3613
3614         PR tree-optimization/90278
3615         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3616         EH on comparison simplification.
3617
3618 2019-04-29  Jason Merrill  <jason@redhat.com>
3619
3620         PR c++/82081 - tail call optimization breaks noexcept
3621         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3622         nothrow function to a might-throw function into a tail call.
3623
3624 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3625
3626         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3627         (DDR_INNER_LOOP): Likewise.
3628         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3629         (initialize_data_dependence_relation): Likewise.
3630         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3631
3632 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3633
3634         PR rtl-optimization/90257
3635         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3636         return value.
3637
3638         Revert the revert:
3639         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3640
3641         PR target/90178
3642         Revert:
3643         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3644
3645         Revert the revert:
3646         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3647
3648         Revert:
3649         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3650
3651         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3652
3653 2019-04-29  Richard Biener  <rguenther@suse.de>
3654
3655         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3656         rhs issue a reset.
3657
3658 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3659
3660         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3661         varasm.h, and netbsd-protos.h.
3662
3663 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3664
3665         PR target/89261
3666         * config/i386/i386-protos.h (ix86_data_alignment): Change
3667         the second argument type to unsigned int.
3668         * config/i386/i386.c (ix86_data_alignment): Change "align"
3669         argument type to unsigned int.
3670
3671 2019-04-27  Martin Liska  <mliska@suse.cz>
3672
3673         PR middle-end/90258
3674         * opt-suggestions.c (option_proposer::build_option_suggestions):
3675         When get_valid_option_values returns empty values, add the
3676         misspelling candidate.
3677
3678 2019-04-26  Jim Wilson  <jimw@sifive.com>
3679
3680         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3681         parameter.
3682         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3683         Pass orig_mode to riscv_build_integer.
3684         (riscv_split_integer): Pass mode to riscv_move_integer.
3685         (riscv_legitimize_const_move): Likewise.
3686         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3687         promoted_mode.  Replace force_reg call with code to load constant into
3688         promoted reg and then subreg it for the store.
3689         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3690         riscv_move_integer.
3691
3692 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3693
3694         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3695         corrupt codes.
3696
3697 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3698
3699         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3700         commentary about the encoding of precision.
3701
3702 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3703
3704         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3705         * config/i386/t-freebsd64: New file.
3706         * config.gcc: Add the t-freebsd64 for multilib support.
3707
3708 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3709
3710         * doc/extend.texi (vector_size): Add missing comma after @xref.
3711
3712 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3713
3714         * BASE-VER: Set to 10.0.0.
3715
3716 2019-04-25  Richard Biener  <rguenther@suse.de>
3717
3718         PR middle-end/89765
3719         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3720         VIEW_CONVERT_EXPR into one operating on an rvalue.
3721
3722 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3723
3724         PR target/89929
3725         * config/i386/i386.c (feature_priority): Moved to file scope.
3726         (processor_features): Likewise.
3727         (processor_model): Likewise.
3728         (_arch_names_table): Likewise.
3729         (arch_names_table): Likewise.
3730         (_feature_list): Removed.
3731         (feature_list): Likewise.
3732         (_isa_names_table): Moved to file scope.  Add priority.
3733         (isa_names_table): Likewise.
3734         (get_builtin_code_for_version): Replace feature_list with
3735         isa_names_table.  Update error message for P_ZERO priority.
3736
3737 2019-04-25  Richard Biener  <rguenther@suse.de>
3738
3739         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3740         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3741
3742 2019-04-24  Jeff Law  <law@redhat.com>
3743
3744         PR tree-optimization/90037
3745         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3746         * passes.def: Replace all instance of phi-only cprop with the
3747         lattice propagator.  Move propagation pass from after erroneous
3748         path isolation to before erroneous path isolation.
3749         * tree-ssa-phionlycprop.c: Remove.
3750
3751 2019-04-24  Richard Biener  <rguenther@suse.de>
3752
3753         PR middle-end/90213
3754         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3755         by size and BITS_PER_UNIT on poly-wide-ints.
3756
3757 2019-04-25  Richard Biener  <rguenther@suse.de>
3758
3759         PR middle-end/90194
3760         * match.pd: Add pattern to simplify view-conversion of an
3761         empty constructor.
3762
3763 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3764
3765         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3766         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3767         for Go on 32 bit AIX.
3768         * config/rs6000/aix72.h: Likewise.
3769
3770 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3771
3772         PR target/90193
3773         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3774         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3775
3776 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3777
3778         PR target/89952
3779         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3780         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3781         for restored hard frame pointer.
3782         (s390_sched_dependencies_evaluation): Implement new target hook.
3783         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3784
3785 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3786
3787         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3788         * config/arc/arc.c (arc_init): Cleanup warning message.
3789         (arc_override_options): Likewise.
3790
3791 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3792
3793         PR target/90187
3794         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3795         a register if both if_true and if_false are MEMs.
3796
3797         PR tree-optimization/90208
3798         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3799         after labels of new_bb, not before them.
3800
3801         PR tree-optimization/90211
3802         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3803         which are not SSA_NAMEs.
3804
3805 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3806
3807         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3808         AArch64.
3809         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3810
3811 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3812
3813         PR rtl-optimization/87979
3814         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3815         not equal zero.
3816
3817 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3818
3819         PR rtl-optimization/84032
3820         * modulo-sched.c (ps_insn_find_column): Change condition so that
3821         branch will always be the last insn in a row inside partial
3822         schedule.
3823
3824 2019-04-23  Richard Biener  <rguenther@suse.de>
3825
3826         PR debug/90131
3827         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3828         dest_single_pred_p argument.
3829         (remove_forwarder_block): Adjust.
3830         (remove_forwarder_block_with_phi): Likewise.
3831
3832 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3833             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3834             Jakub Jelinek  <jakub@redhat.com>
3835
3836         PR target/89093
3837         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3838         if used with general-regs-only.
3839         (arm_conditional_register_usage): Don't add non-general regs if
3840         general-regs-only.
3841         (arm_valid_target_attribute_rec): Handle general-regs-only.
3842         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3843         general-regs-only.
3844         (TARGET_HARD_FLOAT_SUB): Define.
3845         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3846         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3847         (TARGET_REALLY_IWMMXT2): Likewise.
3848         * config/arm/arm.opt: Add -mgeneral-regs-only.
3849         * doc/extend.texi: Document ARM general-regs-only target.
3850         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3851
3852 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3853
3854         PR tree-optimization/90078
3855         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3856         checks for infinite_cost overflow.
3857
3858 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3859
3860         PR tree-optimization/90021
3861         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3862         and check univariate against it.
3863         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3864         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3865
3866 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3867
3868         PR target/90178
3869         Revert:
3870         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3871
3872         Revert the revert:
3873         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3874
3875         Revert:
3876         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3877
3878         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3879
3880 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3881
3882         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3883         names using operand format, rather than hard-wired.
3884         (speculation_barrier): Likewise.
3885
3886 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3887
3888         PR tree-optimization/88055
3889         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3890         (gen_one_condition): Use it if !HONOR_NANS.
3891
3892 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3893
3894         PR middle-end/90139
3895         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3896         assign_temp instead of gen_reg_rtx.
3897
3898 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3899
3900         PR translation/90118
3901         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3902         Add missing space before %<.
3903
3904 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3905
3906         PR rtl-optimization/87871
3907         * ira-lives.c (make_object_dead): Don't add conflicts to
3908         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3909
3910 2019-04-18  Martin Sebor  <msebor@redhat.com>
3911
3912         PR middle-end/89797
3913         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3914         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3915         assuming type size fits in SHWI.
3916
3917 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3918
3919         PR ipa/85051
3920         * ipa-inline.c (flatten_function): New parameter UPDATE.
3921         (ipa_inline, early_inliner): Use it.
3922
3923 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3924
3925         * fold-const.c (int_const_binop): Return early on failure.
3926
3927 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3928
3929         PR middle-end/85164
3930         * combine.c (force_int_to_mode): Cast the argument rather than
3931         the result of known_alignment.
3932         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3933
3934 2019-04-18  Richard Biener  <rguenther@suse.de>
3935
3936         PR debug/90131
3937         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3938         out from ...
3939         (remove_forwarder_block): ... here.
3940         (remove_forwarder_block_with_phi): Also move debug stmts here.
3941
3942 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3943
3944         PR translation/79183
3945         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3946         inform where appropriate.
3947
3948 2019-04-18  Richard Biener  <rguenther@suse.de>
3949
3950         * tree.c (get_qualified_type): Put found type variants at the
3951         head of the variant list.
3952
3953 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3954
3955         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3956
3957 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3958
3959         PR target/90125
3960         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3961         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3962         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3963         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3964         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3965
3966 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3967
3968         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3969         even for allocno's with no conflicts.
3970         (print_conflicts): Print an extra newline.
3971
3972 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3973
3974         * auto-inc-dec.c (attempt_change): Set the alignment of the
3975         temporary memory to that of the original.
3976
3977 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3978
3979         * targhooks.c (default_print_patchable_function_entry): Emit
3980         __patchable_function_entries section with writable flags to allow
3981         relocation resolution.
3982
3983 2019-04-17  Jonny Grant  <jg@jguk.org>
3984
3985         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3986
3987 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3988
3989         PR middle-end/90095
3990         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3991         on lowpart SUBREGs.
3992
3993 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3994
3995         * config/arc/arc.c (arc_init): Format diagnostic string.
3996         (arc_override_options): Likewise.
3997         (check_if_valid_regno_const): Likewise.
3998         (arc_reorg): Likewise.
3999
4000 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4001
4002         PR target/17108
4003         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4004         name.
4005         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4006         name.
4007         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4008         (*movdi_update1): Use Pmode.
4009         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4010         (movdi_<mode>_update_stack): Rename to ...
4011         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4012         use Pmode.
4013         (*movsi_update1): Use Pmode.
4014         (*movsi_update2): Use Pmode.
4015         (movsi_update): Rename to ...
4016         (movsi_<mode>_update): ... this.  Use Pmode.
4017         (movsi_update_stack): Fix condition.
4018         (*movhi_update1): Use Pmode.  Fix argument to
4019         avoiding_indexed_address_p.
4020         (*movhi_update2): Ditto.
4021         (*movhi_update3): Ditto.
4022         (*movhi_update4): Ditto.
4023         (*movqi_update1): Ditto.
4024         (*movqi_update2): Ditto.
4025         (*movqi_update3): Ditto.
4026         (*movsf_update1, *movdf_update1): Merge, rename to...
4027         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4028         avoiding_indexed_address_p.  Add "size" attribute.
4029         (*movsf_update2, *movdf_update2): Merge, rename to...
4030         (*mov<mode>_update2): This.  Ditto.
4031         (*movsf_update3): Use Pmode.  Fix argument to
4032         avoiding_indexed_address_p.
4033         (*movsf_update4): Ditto.
4034         (allocate_stack): Simplify condition.  Adjust pattern names.
4035
4036 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4037
4038         PR target/89093
4039         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4040         whitespace at the start of target attribute string.
4041
4042 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4043
4044         PR target/84369
4045         * config/rs6000/power9.md: Add store forwarding bypass.
4046
4047 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4048
4049         PR debug/89528
4050         * valtrack.c (dead_debug_insert_temp): Reset debug references
4051         to the return value of a call being removed.
4052
4053 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4054
4055         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4056         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4057         implement target hook.
4058         (arc_memory_move_cost): New function.
4059         (TARGET_REGISTER_MOVE_COST): Define.
4060         (TARGET_MEMORY_MOVE_COST): Likewise.
4061         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4062         (MEMORY_MOVE_COST): Likewise.
4063
4064 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4065
4066         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4067         (sibcall_value_insn): Likewise.
4068         * config/arc/constraints.md (Rs5): Remove.
4069
4070 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4071
4072         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4073         for last two fake registers.
4074         (arc_conditional_register_usage): Make sure fake frame and arg
4075         pointer regs are in general regs class.
4076         (FRAME_POINTER_MASK): Remove.
4077         (RETURN_ADDR_MASK): Remove.
4078         (arc_must_save_register): Use hard frame regnum.
4079         (frame_restore_reg): Use hard_frame_pointer_rtx.
4080         (arc_save_callee_saves): Likewise.
4081         (arc_restore_callee_saves): Likewise.
4082         (arc_save_callee_enter): Likewise.
4083         (arc_restore_callee_leave): Likewise.
4084         (arc_save_callee_milli): Likewise.
4085         (arc_eh_return_address_location): Likewise.
4086         (arc_check_multi): Use hard frame regnum.
4087         (arc_can_eliminate): Likewise.
4088         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4089         for register allocator.
4090         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4091         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4092         (FRAME_POINTER_REGNUM): Change it to a fake register.
4093         (HARD_FRAME_POINTER_REGNUM): Defined.
4094         (ARG_POINTER_REGNUM): Change it to a new fake register.
4095         (ELIMINABLE_REGS): Update.
4096         (REGISTER_NAMES): Update names.
4097         * config/arc/arc.md (LP_START): Remove.
4098         (LP_END): Likewise.
4099         (shift_si3_loop): Update pattern.
4100
4101 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4102
4103         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4104         to avoid delay slot scheduling.
4105         (arc_must_save_register): Don't save SP.
4106         * config/arc/arc.md (stack_tie): Remove.
4107         (UNSPEC_ARC_STKTIE): Likewise.
4108
4109 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4110             Shiva Chen  <shiva0217@gmail.com>
4111
4112         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4113         code gen with large shift amount.
4114
4115 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4116
4117         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4118         subreg.
4119
4120 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4121
4122         PR target/90096
4123         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4124         print -m64/-mx32/-m32 if it is true.
4125         (ix86_debug_options, ix86_function_specific_print): Pass true as
4126         ADD_ABI_P to ix86_target_string.
4127         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4128         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4129         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4130
4131         PR rtl-optimization/90082
4132         * dce.c (can_delete_call): New function.
4133         (deletable_insn_p, mark_insn): Use it.
4134
4135         PR tree-optimization/90090
4136         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4137         throw internally.
4138         (is_division_by_square): Likewise.  Formatting fix.
4139
4140 2019-04-16  Richard Biener  <rguenther@suse.de>
4141
4142         PR tree-optimization/56049
4143         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4144         equality check if alias-set zero will prevail.
4145
4146 2019-04-15  Jeff Law  <law@redhat.com>
4147
4148         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4149         size and alignment as unsigned.
4150
4151 2019-04-15  Richard Biener  <rguenther@suse.de>
4152
4153         PR debug/90074
4154         * tree-loop-distribution.c (destroy_loop): Preserve correct
4155         debug info.
4156
4157 2019-04-15  Richard Biener  <rguenther@suse.de>
4158
4159         PR tree-optimization/90071
4160         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4161         abnormal operands from def stmts.
4162
4163 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4164
4165         PR rtl-optimization/89794
4166         * combine.c (count_auto_inc): New function.
4167         (try_combine): Count how many auto_inc expressions there were in the
4168         original instructions.  Ensure we have the same number in the new
4169         instructions.  Remove the code that tried to ensure auto_inc side
4170         effects on i1 and i0 are not lost.
4171
4172 2019-04-15  Richard Biener  <rguenther@suse.de>
4173
4174         PR ipa/88936
4175         * tree.h (auto_var_p): Declare.
4176         * tree.c (auto_var_p): New function, split out from ...
4177         (auto_var_in_fn_p): ... here.
4178         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4179         member.
4180         (new_var_info): Initialize it.
4181         (set_uids_in_ptset): Also set the shadow variable uid if required.
4182         (ipa_pta_execute): Postprocess points-to solutions assigning
4183         shadow variable uids for locals that may reach their containing
4184         function recursively.
4185         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4186         assert but instead check whether the points-to solution is
4187         a singleton.
4188
4189 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4190
4191         PR ipa/pr89693
4192         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4193         the thunk chain.
4194
4195 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4196
4197         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4198
4199 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4200             Kito Cheng  <kito.cheng@gmail.com>
4201             Shiva Chen  <shiva0217@gmail.com>
4202
4203         * config/nds32/nds32-md-auxiliary.c
4204         (nds32_legitimize_pic_address): Use new PIC pattern.
4205         (nds32_legitimize_tls_address): Use new TLS pattern.
4206         (nds32_output_symrel): New.
4207         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4208         (nds32_alloc_relax_group_id): Ditto.
4209         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4210         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4211         relax_group_id.
4212         (nds32_group_tls_insn): Ditto.
4213         (nds32_group_float_insns): Ditto.
4214         * config/nds32/nds32.md (tls_le): New.
4215         (sym_got): Ditto.
4216
4217 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4218
4219         * configure: Add nds32 target for dwarf2 debug_line checking.
4220         * configure.ac: Regenerated.
4221
4222 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4223
4224         PR lto/89358
4225         * ipa-devirt.c (skip_in_fields_list_p): New.
4226         (odr_types_equivalent_p): Use it.
4227
4228 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4229
4230         PR target/89093
4231         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4232         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4233
4234 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4235
4236         * doc/install.texi: Document --with-target-system-zlib.
4237
4238 2019-04-12  Martin Sebor  <msebor@redhat.com>
4239
4240         PR c/88383
4241         PR c/89288
4242         PR c/89798
4243         PR c/89797
4244         * targhooks.c (default_vector_alignment): Avoid assuming
4245         argument fits in SHWI.
4246         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4247         a shift expression.
4248         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4249
4250 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4251
4252         PR rtl-optimization/89965
4253         * dce.c: Include rtl-iter.h.
4254         (struct check_argument_load_data): New type.
4255         (check_argument_load): New function.
4256         (find_call_stack_args): Check for loads from stack slots still tracked
4257         in sp_bytes and punt if any is found.
4258
4259         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4260
4261 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4262
4263         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4264         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4265
4266 2019-04-12  Martin Liska  <mliska@suse.cz>
4267
4268         PR middle-end/89970
4269         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4270         in error message.
4271         (separate_attrs): Handle multiple 'default's.
4272         (expand_target_clones): Rework error handling code.
4273
4274 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4275
4276         PR target/87532
4277         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4278         mode of vector rather than mode of destination for move instruction.
4279         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4280         Use QI inner mode with V16QI vector mode.
4281
4282 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4283
4284         PR target/52726
4285         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4286         "invalid %%t operand" in output_operand_lossage message.
4287
4288 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4289
4290         * config/s390/predicates.md (permute_pattern_operand): New
4291         predicate.
4292         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4293         operand for the permute pattern.
4294         ("*vec_perm<mode>"): New insn definition.
4295         ("bswap<mode>"): Generate the permute pattern operand in the
4296         expander and perform the operand reloads for pre arch13 level
4297         already.
4298         ("*bswap<mode>_emu"): Rename to ...
4299         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4300         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4301         Add the USE operand for the permute pattern.
4302         ("*vec_set_bswap_vec<mode>"): Likewise.
4303
4304 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4305
4306         PR c/89946
4307         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4308         and gcc_unreachable if it fails, just call tree_to_uhwi which
4309         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4310         Start warning message with a lower-case letter.  Formatting fixes.
4311
4312         PR rtl-optimization/90026
4313         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4314         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4315         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4316         in cfglayout mode, use emit_barrier_after_bb.
4317
4318 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4319
4320         PR rtl-optimization/87763
4321         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4322         New Instruction.
4323
4324 2019-04-11  Tom de Vries  <tdevries@suse.de>
4325
4326         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4327         max macro using statement expression.
4328
4329 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4330
4331         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4332         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4333         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4334         read_only_private_data_section using xcoff_private_rodata_section_name.
4335         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4336
4337 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4338
4339         PR target/90016
4340         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4341
4342 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4343
4344         PR rtl-optimization/89965
4345         * dce.c (sp_based_mem_offset): New function.
4346         (find_call_stack_args): Use sp_based_mem_offset.
4347
4348 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4349
4350         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4351
4352 2019-04-11  Richard Biener  <rguenther@suse.de>
4353
4354         PR tree-optimization/90020
4355         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4356         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4357         * tree-ssa-pre.c (compute_avail): Use it to not put
4358         possibly trapping references after a call that might not
4359         return into EXP_GEN.
4360         * gcse.c (compute_hash_table_work): Do not elide
4361         marking a block containing a call if the call might not
4362         return.
4363
4364 2019-04-11  Richard Biener  <rguenther@suse.de>
4365
4366         PR tree-optimization/90018
4367         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4368         Test both SLP and interleaving variants.
4369
4370 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4371
4372         * config/s390/8561.md: New file.
4373         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4374         Add arch13 cpu model.
4375         * config/s390/s390-opts.h (enum processor_type): Likewise.
4376         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4377         (s390_get_unit_mask): Likewise.
4378         (s390_is_fpd): Likewise.
4379         (s390_is_fxd): Likewise.
4380         * config/s390/s390.h (s390_tune_attr): Likewise.
4381         * config/s390/s390.md: Include arch13 pipeline description.
4382         * config/s390/s390.opt: Add arch13.
4383
4384 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4385
4386         PR rtl-optimization/87763
4387         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4388         New prototype.
4389         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4390         New function.
4391         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4392         New instruction.
4393         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4394         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4395         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4396         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4397
4398 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4399
4400         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4401         "Although" in -fipa-icf documentation.
4402
4403         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4404         of using multiple -g options.
4405
4406 2019-04-10  Martin Liska  <mliska@suse.cz>
4407
4408         PR gcov-profile/89959
4409         * doc/gcov.texi: Make documentation of -x option
4410         more precise.
4411
4412 2019-04-10  Richard Biener  <rguenther@suse.de>
4413
4414         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4415         member.
4416         (DR_GROUP_SAME_DR_STMT): Remove.
4417         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4418         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4419         replace with assert.
4420         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4421         (vect_record_grouped_load_vectors): Remove unreachable code.
4422
4423 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4424
4425         PR target/90016
4426         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4427         obsolete reference to N.
4428
4429 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4430
4431         PR middle-end/90025
4432         * expr.c (store_expr): Set properly size on the MEM passed to
4433         clear_storage.
4434
4435         PR c++/90010
4436         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4437         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4438         translation is needed, and when translation is needed, only append
4439         ... if the string length is hostsz or more bytes long.  Avoid using
4440         strncpy or strcat.
4441
4442 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4443
4444         PR target/90024
4445         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4446         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4447         into three.
4448         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4449         differences directly.
4450         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4451
4452 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4453
4454         PR translation/90011
4455         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4456         from diagnostics.
4457         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4458         diagnostics.
4459         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4460         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4461         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4462         trailing space from -gsplit-dwarf diagnostics.
4463
4464         PR tree-optimization/89998
4465         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4466         instead of integer_type_node if possible, don't add ranges if return
4467         type is not compatible with int.
4468         * gimple-fold.c (gimple_fold_builtin_sprintf,
4469         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4470         integer_type_node.
4471
4472 2019-04-09  Martin Liska  <mliska@suse.cz>
4473
4474         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4475         * doc/install.texi: Document the new config.
4476
4477 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
4478
4479         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4480         use gimple_expr_type for load and store calls.  Skip over the
4481         condition argument in a conditional internal function.
4482         Protect use of TREE_INT_CST_LOW.
4483
4484 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4485
4486         PR target/90015
4487         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4488         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
4489         trailing period from it too.
4490
4491 2019-04-08  wu yuan  <wuyuan5@huawei.com>
4492
4493         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4494         * config/aarch64/aarch64.md : Add "tsv110.md"
4495         * config/aarch64/tsv110.md: New file.
4496
4497 2019-04-08  Richard Biener  <rguenther@suse.de>
4498
4499         PR tree-optimization/90006
4500         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4501         calls like lrint.
4502
4503 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
4504
4505         PR target/83033
4506         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4507         construction.
4508         (fma_root_node): Likewise.
4509         (func_fma_steering): Likewise.
4510
4511 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
4512
4513         PR rtl-optimization/89865
4514         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4515
4516         PR rtl-optimization/89865
4517         * config/i386/i386.md
4518         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4519         numbers not to clash with the additional operands[4].
4520         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4521         with extra register copy in the middle.
4522
4523 2019-04-08  Martin Liska  <mliska@suse.cz>
4524
4525         PR gcov-profile/89961
4526         * doc/gcov.texi: Document data_file.
4527         * gcov.c (generate_results): Add data_info into JSON output.
4528
4529 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
4530
4531         PR tree-optimization/89725
4532         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
4533         loop's chrec as invariant symbol.
4534         * tree-chrec.h (chrec_contains_symbols): New parameter.
4535         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4536         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4537         function of loops not in DDR's loop_nest.
4538         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4539
4540 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
4541
4542         PR target/89623
4543         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4544         Mask.
4545
4546 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4547
4548         PR target/89945
4549         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4550         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4551
4552 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4553
4554         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4555         targetm.fixed_condition_code_regs.
4556
4557 2019-04-05  Richard Biener  <rguenther@suse.de>
4558
4559         PR debug/89892
4560         PR debug/89905
4561         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4562         debug bind stmts but reset them if they are not valid at the
4563         destination.
4564
4565 2019-04-05  Martin Liska  <mliska@suse.cz>
4566
4567         PR translation/89936
4568         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4569         order to wrap keywords or arguments.
4570         * collect2.c (main): Likewise.
4571         (scan_prog_file): Likewise.
4572         (scan_libraries): Likewise.
4573         * common/config/riscv/riscv-common.c
4574         (riscv_subset_list::parsing_subset_version): Likewise.
4575         (riscv_subset_list::parse_std_ext): Likewise.
4576         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4577         Likewise.
4578         * config/arm/arm.c (arm_option_override): Likewise.
4579         * config/cris/cris.c (cris_print_operand): Likewise.
4580         * config/darwin-c.c (darwin_pragma_options): Likewise.
4581         (darwin_pragma_unused): Likewise.
4582         (darwin_pragma_ms_struct): Likewise.
4583         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4584         * config/i386/i386.c (print_reg): Likewise.
4585         (ix86_print_operand): Likewise.
4586         * config/i386/xm-djgpp.h: Likewise.
4587         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4588         * config/m32c/m32c.c (m32c_option_override): Likewise.
4589         * config/msp430/msp430.c (msp430_option_override): Likewise.
4590         * config/nds32/nds32.c (nds32_option_override): Likewise.
4591         * config/nvptx/mkoffload.c (main): Likewise.
4592         * config/rx/rx.c (rx_print_operand): Likewise.
4593         (valid_psw_flag): Likewise.
4594         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4595         (vms_pragma_nomember_alignment): Likewise.
4596         (vms_pragma_extern_model): Likewise.
4597         * lto-wrapper.c (compile_offload_image): Likewise.
4598         * omp-offload.c (oacc_parse_default_dims): Likewise.
4599         * symtab.c (symtab_node::verify_base): Likewise.
4600         * tlink.c (recompile_files): Likewise.
4601         (start_tweaking): Likewise.
4602         * tree-profile.c (parse_profile_filter): Likewise.
4603
4604 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4605
4606         PR tree-optimization/89956
4607         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4608         multiple negates of the same value.
4609
4610 2019-04-04  Martin Sebor  <msebor@redhat.com>
4611
4612         PR middle-end/89957
4613         PR middle-end/89911
4614         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4615         have the same precision since the function crashes otherwise.
4616         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4617         has non-zero arguments.
4618
4619 2019-04-04  Martin Sebor  <msebor@redhat.com>
4620
4621         PR middle-end/89934
4622         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4623         out if the number of arguments is less than expected.
4624
4625 2019-04-04  Jeff Law  <law@redhat.com>
4626
4627         PR rtl-optimization/89399
4628         * ree.c (combine_set_extension): Use single_set rather than
4629         digging into PATTERN for items on the candidate list.
4630         (combine_reaching_defs): Likewise.
4631
4632 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4633
4634         PR rtl-optimization/46590
4635         * loop-invariant.c (find_defs): Move df_remove_problem and
4636         df_process_deferred_rescans to move_invariants.
4637         Move df_live_add_problem and df_live_set_all_dirty calls
4638         to move_invariants.
4639         (move_invariants): Likewise.
4640         (move_loop_invariants): Likewise, making the df_live calls
4641         conditional on -O.  Remove the problem again if we added it
4642         locally.
4643
4644 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4645
4646         PR tree-optimization/89730
4647         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4648         -flive-patching=inline-only-static.
4649         (can_inline_edge_by_limits_p): Add the checking for
4650         -flive-patching=inline-only-static and grant always_inline
4651         even when -flive-patching=inline-only-static is specified.
4652
4653 2019-04-03  Jeff Law  <law@redhat.com>
4654
4655         PR rtl-optimization/81025
4656         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4657
4658 2019-04-03  Richard Biener  <rguenther@suse.de>
4659
4660         PR tree-optimization/84101
4661         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4662         regs.h for hard_regno_nregs.
4663         (cfun_returns): New helper.
4664         (vect_model_store_cost): When vectorizing a store to a decl
4665         we return and the function ABI returns in a multi-reg location
4666         account for the possible spilling that will happen.
4667
4668 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4669
4670         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4671         displacement addresses for vector mode operands.
4672
4673 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4674
4675         * config/arc/arc.c (GMASK_LEN): Define.
4676         (arc_restore_callee_saves): Restore first blink when
4677         !optimize_size.
4678
4679 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4680
4681         * doc/extend.texi: Add deprecated comment on sign-return-address
4682         function attribute and add mbranch-protection.
4683         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4684
4685 2019-04-03  Richard Biener  <rguenther@suse.de>
4686
4687         PR lto/89896
4688         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4689         the all target phony.
4690
4691 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4692
4693         PR target/89902
4694         PR target/89903
4695         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4696         Return false for variable DImode shifts.
4697         (dimode_scalar_chain::compute_convert_gain): Do not handle
4698         register count operand in variable DImode shifts.
4699         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4700         count argument of a variable shift instruction to a vector register.
4701         (dimode_scalar_chain::convert_reg): Remove support to convert
4702         count argument of a variable shift instruction.
4703
4704 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4705
4706         PR rtl-optimization/84206
4707         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4708         iterating over loop headers.
4709
4710 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4711
4712         PR rtl-optimization/85876
4713         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4714         beyond the original fence.
4715
4716 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4717
4718         * config.gcc: Mark spu* targets as deprecated/obsolete.
4719
4720 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4721
4722         * config/s390/s390-builtin-types.def: New builtin function type
4723         definitions. Remove unused types.
4724         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4725         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4726         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4727         overloaded builtins.
4728         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4729         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4730         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4731         (vec_double, vec_signed, vec_unsigned): Define to use the new
4732         overloaded builtins.
4733         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4734         Remove expanders.
4735
4736 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4737
4738         * config/s390/s390-builtin-types.def: New builtin function type
4739         definitions.
4740         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4741         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4742         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4743         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4744         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4745         constant definitions.
4746         * config/s390/vecintrin.h (vec_search_string_cc)
4747         (vec_search_string_until_zero_cc): New builtin name definitions.
4748         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4749         expanders.
4750         ("vec_vstrs<mode>"): New insn definition.
4751
4752 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4753
4754         * config/s390/s390-builtin-types.def: Add new builtin function
4755         types.
4756         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4757         New overloaded builtins.
4758         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4759         s390_vsrd.
4760         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4761         (UNSPEC_VEC_SLDBYTE): ... this.
4762         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4763         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4764         definitions.
4765         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4766         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4767         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4768
4769 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4770
4771         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4772         New insn definition.
4773         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4774         * config/s390/vector.md (V_HW_HSD): ... here.
4775
4776 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4777
4778         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4779         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4780         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4781         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4782         New insn definitions.
4783
4784 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4785
4786         * config/s390/s390-builtin-types.def: Add new builtin function type.
4787         * config/s390/s390-builtins.def: Add overloaded builtin
4788         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4789         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4790         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4791         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4792         ("eltswap<mode>"): New expander.
4793         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4794         insn definitions.
4795
4796 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4797
4798         * config/s390/s390-builtin-types.def: Add new builtin function types.
4799         * config/s390/s390-builtins.def: Add overloaded builtin
4800         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4801         instructions.
4802         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4803         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4804         ("bswap<mode>"): New expander.
4805         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4806
4807 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4808
4809         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4810         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4811         vector builtin version number in __VEC__.
4812
4813 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4814
4815         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4816         iterators.
4817         (SFSI): New mode attribute.
4818         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4819         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4820         rename to ...
4821         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4822         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4823         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4824         ("floatsi<mode>2"): Add wcefb instruction.
4825
4826 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4827
4828         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4829         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4830         mode iterators.
4831         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4832         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4833         support 32 bit fp-int conversions. Rename to ...
4834         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4835         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4836         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4837         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4838         ... to these.
4839
4840 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4841
4842         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4843         if-then-else constructs if we can use the select instruction.
4844         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4845
4846 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4847
4848         * config/s390/s390.md ("*popcountdi_arch13_cc")
4849         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4850         definition.
4851         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4852         Append _z196 to make it ...
4853         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4854         ("popcounthi2_z196"): ... this.
4855         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4856         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4857
4858 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4859
4860         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4861         certain compares for arch13 in order to make use of the condition
4862         code result produced by the new instructions.
4863         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4864         nxrk, and nxgrk instruction patterns.
4865         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4866         (inv_no): Add new code iterator together with some attributes.
4867         ("*andc_split_<mode>"): Disable splitter for arch13.
4868         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4869         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4870         ("*<ANDOR:bitops_name>c<GPR:mode>")
4871         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4872         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4873         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4874         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4875
4876 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4877
4878         * common/config/s390/s390-common.c (processor_flags_table): New
4879         entry for arch13.
4880         * config.gcc: Support arch13 with the --with-arch= configure flag.
4881         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4882         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4883         * config/s390/s390.c (s390_get_sched_attrmask)
4884         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4885         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4886         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4887         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4888         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4889         definitions.
4890         * config/s390/s390.opt: Support arch13 as processor type in
4891         command line options.
4892
4893 2019-04-02  Martin Liska  <mliska@suse.cz>
4894
4895         PR translation/89912
4896         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4897         Fix param description of graphite-max-arrays-per-scop.
4898
4899 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4900
4901         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4902         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4903         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4904
4905 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4906
4907         PR rtl-optimization/85412
4908         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4909         sel_sched_region_1, not after.
4910
4911 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4912
4913         PR rtl-optimization/86928
4914         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4915         compute_live if necessary.
4916         (sel_redirect_edge_and_branch): Likewise.
4917
4918 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4919
4920         PR rtl-optimization/89865
4921         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4922         register if it is a part of small class.
4923
4924 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4925
4926         PR rtl-optimization/87273
4927         * sel-sched-ir.c (merge_fences): Remove assert.
4928
4929 2019-04-01  Richard Biener  <rguenther@suse.de>
4930
4931         PR tree-optimization/46590
4932         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4933         (dom_walker::m_reachability): Add in place of...
4934         (dom_walker::m_skip_unreachable_blocks): ...this.
4935         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4936         Move complex initialization ...
4937         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4938         lazily and initialize edge flags on each invocation.
4939         (dom_walker::bb_reachable): Use m_reachability.
4940
4941 2019-04-01  Martin Liska  <mliska@suse.cz>
4942
4943         PR driver/89861
4944         * opt-suggestions.c (option_proposer::build_option_suggestions):
4945         Add variant without any argument in order to provide better
4946         hints.
4947
4948 2019-04-01  Richard Biener  <rguenther@suse.de>
4949
4950         PR c/71598
4951         * gimple.c: Include langhooks.h.
4952         (gimple_get_alias_set): Treat enumeral types as the underlying
4953         integer type.
4954
4955 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4956             Eric Botcazou  <ebotcazou@adacore.com>
4957
4958         PR rtl-optimization/89862
4959         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4960         that operates on the full registers for WORD_REGISTER_OPERATIONS
4961         architectures.
4962
4963 2019-03-29  Jim Wilson  <jimw@sifive.com>
4964
4965         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4966         Clear MASK_RVC and then set if C subset supported.
4967
4968 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4969
4970         PR c/89872
4971         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4972         non-addressable complit into its initializer if it is volatile.
4973
4974 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4975
4976         * opts-common.c (integral_argument): Set errno properly in one case.
4977
4978 2019-03-29  Martin Liska  <mliska@suse.cz>
4979
4980         * doc/invoke.texi: Remove -Wchkp from documentation.
4981
4982 2019-03-29  Martin Liska  <mliska@suse.cz>
4983
4984         * dbgcnt.c (print_limit_reach): New function.
4985         (dbg_cnt): Use it.
4986
4987 2019-03-29  Martin Liska  <mliska@suse.cz>
4988
4989         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4990         (dbg_cnt_process_opt): Parse first tokens aas
4991         dbg_cnt_process_single_pair is also using strtok.
4992
4993 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4994
4995         PR rtl-optimization/87485
4996         * function.c (expand_function_end): Move stack_protect_epilogue
4997         before loading of return value into hard register(s).
4998
4999 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5000
5001         PR middle-end/89621
5002         * tree-inline.h (struct copy_body_data): Add
5003         dont_remap_vla_if_no_change flag.
5004         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5005         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5006         and remap_type_2 returns false.
5007         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5008         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5009         only from where it is copied to nested contexts.
5010
5011 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5012
5013         PR target/89865
5014         * config/i386/i386.md (RMW operation with LEA peephole):
5015         Use LEAMODE mode attribute instead of SWI mode iterator for
5016         LEA pattern.
5017
5018 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5019
5020         PR target/89848
5021         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5022         Also process XEXP (src, 0) of a shift insn.
5023
5024 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5025
5026         PR middle-end/89725
5027         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5028         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5029
5030 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5031
5032         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5033         test.
5034         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5035         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5036         immediately after first one with df_analyze in between, but rather
5037         process all bbs, queueing ones that need second pass in a worklist,
5038         df_analyze, process queued debug insn changes and if second pass is
5039         needed, process bbs from worklist, df_analyze, process queued debug
5040         insns again.
5041
5042         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5043         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5044         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5045
5046 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5047
5048         PR c/79022
5049         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5050         definition.
5051
5052 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5053
5054         PR target/85667
5055         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5056         function for 32-bit MS_ABI.
5057         (function_value_ms_32): New function.
5058
5059 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5060
5061         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5062         (movdi): Call gen_movdi_symbol_save_scc.
5063         (gen_movdi_symbol_save_scc): New insn and split.
5064
5065 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5066
5067         PR rtl-optimization/89313
5068         * function.c (matching_constraint_num): New static function.
5069         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5070         Don't replace inputs with non-matching constraints which conflict
5071         with early clobber outputs.
5072
5073 2019-03-27  Jeff Law  <law@redhat.com>
5074
5075
5076         PR rtl-optimization/87761
5077         PR rtl-optimization/89826
5078         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5079         slightly later.
5080         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5081         note problem to get REG_DEAD/REG_UNUSED notes updated.
5082
5083 2019-03-27  Richard Biener  <rguenther@suse.de>
5084
5085         PR tree-optimization/89463
5086         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5087         queue edges to remove.
5088         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5089         dead stmts.  Delay edge removal until PHIs are removed to
5090         make debug-stmt creation not confused by seemingly degenerate
5091         PHIs.
5092
5093 2019-03-27  Alan Modra  <amodra@gmail.com>
5094
5095         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5096         throughout file.
5097         * config/rs6000/darwin.h: Likewise.
5098         * config/rs6000/rs6000.c: Likewise.
5099
5100 2019-03-27  Alan Modra  <amodra@gmail.com>
5101
5102         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5103         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5104
5105 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5106             Jim Wilson  <jimw@sifive.com>
5107
5108         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5109         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5110         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5111         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5112         (generic_alu): Add auipc to type list.
5113         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5114         (riscv_microarchitecture): Declare.
5115         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5116         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5117         field.
5118         (riscv_microarchitecture): New.
5119         (sifive_7_tune_info): New.
5120         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5121         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5122         entries.
5123         (riscv_store_data_bypass_p): New.
5124         (riscv_option_override): Set riscv_microarchitecture from
5125         cpu->microarchitecture.
5126         * config/riscv/riscv.md: Include sifive-7.md.
5127         (type): Add auipc.
5128         (tune): New.
5129         (auipc<mode>): Change type to auipc.
5130         (restore_stack_nonlocal): New.
5131         * config/riscv/sifive-7.md: New.
5132         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5133
5134 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5135
5136         PR target/89827
5137         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5138         Also process XEXP (src, 0) of a shift insn.
5139
5140 2019-03-26  Richard Biener  <rguenther@suse.de>
5141
5142         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5143         (copy_debug_stmt): Likewise.
5144         (expand_call_inline): Likewise.
5145         (copy_bb): Avoid redundant lookup & set of gimple_block.
5146         * gimple-low.c (lower_gimple_return): Likewise.
5147         (lower_builtin_setjmp): Likewise.
5148
5149 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5150
5151         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5152         is constant 0, turn into static const data member initialized to false.
5153         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5154         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5155
5156 2019-03-26  Jason Merrill  <jason@redhat.com>
5157             Jakub Jelinek  <jakub@redhat.com>
5158
5159         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5160         method.
5161         (mem_alloc_description::release_object_overhead): Fix comment typos.
5162         * hash-table.h (hash_table::~hash_table): Call
5163         release_instance_overhead only if m_entries is non-NULL, otherwise
5164         call unregister_descriptor.
5165
5166 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5167
5168         PR tree-optimization/81740
5169         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5170         In case of outer loop vectorization, check for backward dependence
5171         at the inner loop if outer loop dependence is reversed.
5172
5173 2019-03-26  Alan Modra  <amodra@gmail.com>
5174
5175         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5176         rs6000_vector_mem init.  Correct wI and wJ comment.
5177
5178 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5179
5180         PR rtl-optimization/88347
5181         PR rtl-optimization/88423
5182         * sched-deps.c (sched_analyze_insn): Take into account that for
5183         tablejumps the barrier appears after a label and a jump_table_data.
5184
5185 2019-03-25  Martin Sebor  <msebor@redhat.com>
5186
5187         PR c/89812
5188         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5189         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5190         convert it to UHWI when it fits.
5191
5192 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5193
5194         PR debug/86964
5195         * dwarf2out.c (premark_used_variables): New function.
5196         (prune_unused_types_walk): Do not mark not premarked external
5197         variables.
5198         (prune_unused_types): Call premark_used_variables.
5199
5200 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5201
5202         PR rtl-optimization/89676
5203         * lra-constraints.c (curr_insn_transform): Do match reload for
5204         early clobbers when the match was successful only for different
5205         registers.
5206
5207 2019-03-25  Martin Sebor  <msebor@redhat.com>
5208
5209         * doc/extend.texi (Common Type Attributes): Document vector_size.
5210         (Common Variable Attributes): Mention size constraint.  Correct
5211         quoting and typos.
5212         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5213         base type and size constraints.
5214
5215 2019-03-25  Richard Biener  <rguenther@suse.de>
5216
5217         PR tree-optimization/89789
5218         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5219         changes from non-undefined back to undefined.
5220
5221 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5222
5223         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5224         heap string and a gc string, but since this variable is unknown to
5225         ggc the gc string might get reused and corrupted. Fixed by always
5226         using a heap string.
5227
5228 2019-03-25  Richard Biener  <rguenther@suse.de>
5229
5230         PR tree-optimization/89779
5231         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5232         to remove IV defs, delay actual removal.
5233         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5234         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5235         very end, properly also reset loop control IV information.
5236
5237 2019-03-25  Richard Biener  <rguenther@suse.de>
5238
5239         PR tree-optimization/89802
5240         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5241         move EH data to folded stmt.
5242
5243 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5244
5245         * config/s390/s390-builtin-types.def: Remove few unused types and
5246         fix sort order for others.
5247
5248 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5249
5250         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5251         expected and found types with -mdebug during builtin matching.
5252
5253 2019-03-25  Richard Biener  <rguenther@suse.de>
5254
5255         PR middle-end/89790
5256         * fold-const.c (operand_equal_p): Revert last change with
5257         updated comment.
5258
5259 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5260
5261         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5262         notes for the result of the __tls_get_addr calls.
5263         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5264
5265 2019-03-24  Jeff Law  <law@redhat.com>
5266
5267         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5268
5269         PR rtl-optimization/87761
5270         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5271         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5272         as needed.
5273         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5274         rescans.  Reprocess blocks as needed, calling df_analyze before
5275         reprocessing.  Always call df_analyze before fixing up debug bind
5276         insns.
5277
5278 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5279
5280         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5281         big endian.
5282
5283 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5284
5285         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5286         attrribute for uxtw.
5287
5288 2019-03-26  Jeff Law  <law@redhat.com>
5289
5290         PR rtl-optimization/87761
5291         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5292         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5293         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5294         into the next instruction.
5295         (mips_split_move_insn): Pass INSN through to mips_split_move.
5296
5297 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5298
5299         PR rtl-optimization/89676
5300         * lra-constraints.c (curr_insn_transform): Do match reload for
5301         early clobbers even if the match was successful.
5302
5303 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5304
5305         PR c++/87481
5306         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5307
5308 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5309
5310         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5311
5312 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5313
5314         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5315         <avx512>_fmsub_<mode>_mask3<round_name>,
5316         <avx512>_fnmadd_<mode>_mask3<round_name>,
5317         <avx512>_fnmsub_<mode>_mask3<round_name>,
5318         avx512f_vmfmadd_<mode>_mask3<round_name>,
5319         avx512f_vmfmsub_<mode>_mask3<round_name>,
5320         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5321         instead of register_operand and %v instead of v for match_operand 1.
5322         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5323         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5324         <round_nimm_predicate> instead of register_operand and %v instead of v
5325         for match_operand 1.
5326
5327         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5328         <avx512>_fmadd_<mode>_mask3<round_name>,
5329         <avx512>_fmsub_<mode>_mask<round_name>,
5330         <avx512>_fmsub_<mode>_mask3<round_name>,
5331         <avx512>_fnmadd_<mode>_mask<round_name>,
5332         <avx512>_fnmadd_<mode>_mask3<round_name>,
5333         <avx512>_fnmsub_<mode>_mask<round_name>,
5334         <avx512>_fnmsub_<mode>_mask3<round_name>,
5335         <avx512>_fmaddsub_<mode>_mask<round_name>,
5336         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5337         <avx512>_fmsubadd_<mode>_mask<round_name>,
5338         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5339         <round_nimm_predicate> instead of nonimmediate_operand.
5340         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5341         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5342         Use register_operand instead of <round_nimm_predicate> for the
5343         operand that needs to match output.
5344         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5345         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5346         Likewise.  Formatting fixes.
5347
5348         PR target/89784
5349         * config/i386/i386.c (enum ix86_builtins): Remove
5350         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5351         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5352         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5353         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5354         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5355         __builtin_ia32_vfmsubss3_mask3): New builtins.
5356         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5357         avx512f_vmfmadd_<mode>_mask3<round_name>,
5358         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5359         *avx512f_vmfmsub_<mode>_mask<round_name>,
5360         avx512f_vmfmsub_<mode>_mask3<round_name>,
5361         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5362         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5363         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5364         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5365         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5366         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5367         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5368         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5369         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5370         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5371         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5372         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5373         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5374         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5375         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5376         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5377         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5378         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5379         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5380         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5381         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5382         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5383         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5384         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5385         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5386         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5387         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5388         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5389
5390 2019-03-21  Martin Sebor  <msebor@redhat.com>
5391
5392         PR tree-optimization/89350
5393         * builtins.c (compute_objsize): Also ignore offsets whose upper
5394         bound is negative.
5395         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5396         (builtin_memref::builtin_memref): Initialize new member.
5397         Allow EXPR to be null.
5398         (builtin_memref::extend_offset_range): Replace local with a member.
5399         Avoid assuming pointer offsets are unsigned.
5400         (builtin_memref::set_base_and_offset): Determine base object
5401         before computing offset range.
5402         (builtin_access::builtin_access): Handle memset.
5403         (builtin_access::generic_overlap): Replace local with a member.
5404         (builtin_access::strcat_overlap): Same.
5405         (builtin_access::overlap): Same.
5406         (maybe_diag_overlap): Same.
5407         (maybe_diag_access_bounds): Same.
5408         (wrestrict_dom_walker::check_call): Handle memset.
5409         (check_bounds_or_overlap): Same.
5410
5411 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5412             Jakub Jelinek  <jakub@redhat.com>
5413
5414         PR lto/89692
5415         * tree.c (fld_type_variant, fld_incomplete_type_of,
5416         fld_process_array_type): Call fld->pset.add and don't call
5417         add_tree_to_fld_list if it returns true.
5418         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5419         non-marked types from TYPE_NEXT_VARIANT list.
5420         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5421
5422 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5423
5424         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5425         to false, if true, don't alloc_entries during construction, but defer
5426         it to the first method that needs m_entries allocated.
5427         (hash_table::hash_table, hash_table::~hash_table,
5428         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5429         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5430         hash_table::clear_slot, hash_table::traverse_noresize,
5431         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5432         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5433         false.
5434         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5435         NO_INSERT instead of find_with_hash.
5436         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5437         hash_set::m_table): Add Lazy to template params of hash_table.
5438         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5439         * attribs.c (test_attribute_exclusions): Likewise.
5440         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5441         hash_set.  Add tests for hash_set with Lazy = true.
5442
5443 2019-03-21  Richard Biener  <rguenther@suse.de>
5444
5445         PR tree-optimization/89779
5446         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5447         checks with respect to released SSA names now having error_mark_node
5448         type.
5449         * fold-const.c (operand_equal_p): Likewise.
5450
5451 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5452
5453         PR target/89775
5454         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5455         available to ...
5456         (s390_optimize_register_info): Use global_not_special_regno_p to
5457         check for global regs.
5458
5459 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5460
5461         PR target/89752
5462         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5463         update this_alternative nor this_alternative_set.
5464
5465 2019-03-19  Jim Wilson  <jimw@sifive.com>
5466
5467         PR target/89411
5468         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
5469         align, size, offset.  Use them to handle a BLKmode reference.  Update
5470         comment.
5471         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5472
5473 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5474
5475         PR rtl-optimization/89768
5476         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5477         instead of GEN_INT.
5478         (unroll_loop_runtime_iterations): Likewise.
5479
5480 2019-03-19  Martin Sebor  <msebor@redhat.com>
5481
5482         PR tree-optimization/89644
5483         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5484         rather than endptr as an indicator of nul-termination.
5485
5486         PR tree-optimization/89644
5487         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5488         arrays in determining sequence sizes in strncpy and stpncpy.
5489
5490 2019-03-19  Martin Liska  <mliska@suse.cz>
5491
5492         PR middle-end/89737
5493         * predict.c (combine_predictions_for_bb): Empty likely_edges and
5494         unlikely_edges if there's an edge that belongs to both these sets.
5495
5496 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
5497
5498         PR target/89746
5499         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5500         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5501         go via a stack temporary.
5502
5503 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5504
5505         PR target/89378
5506         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5507         instead of gen_rtx_SUBREG.
5508         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5509
5510 2019-03-19  Richard Biener  <rguenther@suse.de>
5511
5512         PR debug/88389
5513         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5514
5515 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
5516
5517         PR lto/87809
5518         PR lto/89335
5519         * tree.c (free_lang_data_in_decl): Do not free context of C++
5520         destrutors.
5521
5522 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5523
5524         PR target/89506
5525         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5526         subs for the first alternative except when operands[3] is 1.
5527
5528         PR target/89752
5529         * gimplify.c (gimplify_asm_expr): For output argument with
5530         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5531         diagnose error.
5532
5533 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
5534
5535         PR rtl-optimization/89753
5536         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5537         explicit unrolling factor even more robust.
5538
5539 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5540
5541         PR target/89726
5542         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5543         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5544         signed zeros, do another copysign after the compensation.
5545
5546 2019-03-18  Martin Sebor  <msebor@redhat.com>
5547
5548         PR tree-optimization/89720
5549         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5550         more conservatively, the same as anti-range.
5551
5552 2019-03-18  Richard Biener  <rguenther@suse.de>
5553
5554         PR middle-end/88945
5555         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5556         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5557         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5558         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5559
5560 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5561
5562         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5563         Extend queue to 1024 entries.
5564         Add "consumed" field.
5565         (gomp_print_output): Remove print_index parameter.
5566         Add final parameter.
5567         Change limit to unsigned.
5568         Use consumed field to implement circular buffer.
5569         Detect interrupted print in final pass.
5570         Flush output at the end.
5571         (run): Update gomp_print_output usage.
5572         (main): Initialize kernargs->output_data.consumed.
5573
5574 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5575
5576         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5577         calculation of the minimum number of scalar iterations for
5578         fully-predicated loops.
5579
5580 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5581
5582         PR tree-optimization/89546
5583         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5584         any propagation to its children took place.
5585
5586 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5587
5588         PR target/89627
5589         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5590         parameter, and make use of it.
5591         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5592
5593 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5594
5595         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5596         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5597         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5598         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5599         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5600         match what the ops is doing.
5601         (push_multi_fp_blink): Likewise.
5602         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5603         compiling for size and elf target.
5604         (arc_save_callee_enter): Adjust note to match what enter/leave
5605         operation does.
5606
5607 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5608
5609         * config/arc/arc.md (tst_movb): Fix constraint.
5610
5611 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5612
5613         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5614
5615 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5616
5617         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5618         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5619         reg_alloc_order references.
5620         (size_alloc_order): Define.
5621         (arc_adjust_reg_alloc_order): New function.
5622         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5623         order.
5624         (ADJUST_REG_ALLOC_ORDER): Define.
5625         (HONOR_REG_ALLOC_ORDER): Likewise.
5626
5627 2019-03-18  Richard Biener  <rguenther@suse.de>
5628
5629         PR target/87561
5630         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5631         loads and stores a bit more.
5632
5633 2019-03-18  Richard Biener  <rguenther@suse.de>
5634
5635         PR target/87561
5636         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5637         load pessimization to stores as well.
5638
5639 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5640
5641         PR middle-end/86979
5642         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5643         successor, use NULL as its av set.
5644
5645 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5646
5647         PR rtl-optimization/89721
5648         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5649
5650 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5651
5652         PR target/87532
5653         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5654         When handling vec_extract, use modular arithmetic to allow
5655         constant selectors greater than vector length.
5656         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5657         V1TImode vectors to have constant selector values greater than 0.
5658         Use modular arithmetic to compute vector index.
5659         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5660         index for in-memory vectors.  Correct code generation for
5661         in-register vectors.
5662         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5663         compute index.
5664
5665 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5666
5667         PR c++/88534
5668         PR c++/88537
5669         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5670         VAR_DECL args.
5671
5672 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5673
5674         PR c++/89709
5675         * tree.c (inchash::add_expr): Strip any location wrappers.
5676         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5677         after hash verification.
5678
5679         PR debug/89704
5680         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5681         SIGN_EXTEND and ZERO_EXTEND.
5682
5683 2019-03-14  Jason Merrill  <jason@redhat.com>
5684             Jakub Jelinek  <jakub@redhat.com>
5685
5686         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5687         than if is_empty (*slot).
5688         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5689         existing elt and for elt removal.
5690         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5691         of already removed elt.
5692
5693 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5694
5695         PR target/89650
5696         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5697         REG_EH_REGION note.
5698
5699 2019-03-14  Martin Liska  <mliska@suse.cz>
5700
5701         PR other/89712
5702         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5703
5704 2019-03-14  Richard Biener  <rguenther@suse.de>
5705
5706         PR target/89711
5707         * config/i386/i386.c (make_resolver_func): Properly set
5708         DECL_CONTEXT on the RESULT_DECL.
5709         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5710
5711 2019-03-14  Richard Biener  <rguenther@suse.de>
5712
5713         * gimple-pretty-print.c: Include cfgloop.h.
5714         (dump_gimple_phi): Adjust.
5715         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5716         (pp_cfg_jump): Adjust.
5717         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5718         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5719         (lower_phi_internal_fn): Remove.
5720         (verify_gimple_call): Remove IFN_PHI special-casing.
5721         (dump_function_to_file): Dump IL state.
5722         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5723         done to deal with PHI nodes being present in non-SSA state.
5724
5725 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5726
5727         PR ipa/89684
5728         * multiple_target.c (create_dispatcher_calls): Change
5729         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5730         In the node->iterate_referring loop, push *ref rather than ref, call
5731         ref->remove_reference () and always pass 0 to iterate_referring.
5732
5733         PR rtl-optimization/89679
5734         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5735         would contain a paradoxical SUBREG.
5736
5737 2019-03-14  Richard Biener  <rguenther@suse.de>
5738
5739         PR tree-optimization/89710
5740         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5741         safe_dyn_cast.
5742
5743 2019-03-14  Martin Liska  <mliska@suse.cz>
5744
5745         * coverage.c (coverage_begin_function): Stream also
5746         end_column.
5747         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5748         documentation about function declaration location.
5749         * gcov-dump.c (tag_function): Print whole range
5750         of function declaration.
5751         * gcov.c (struct function_info): Add end_column field.
5752         (function_info::function_info): Initialize it.
5753         (output_json_intermediate_file): Output {start,end}_column
5754         fields.
5755         (read_graph_file): Read end_column.
5756
5757 2019-03-14  Richard Biener  <rguenther@suse.de>
5758
5759         PR middle-end/89698
5760         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5761         that the access types are similar.
5762
5763 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5764
5765         PR tree-optimization/89703
5766         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5767         aren't compatible also with builtin_decl_explicit.  Check pure
5768         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5769         and BUILT_IN_STPNCPY{,_CHK}.
5770
5771 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5772
5773         PR target/89523
5774         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5775         addr32 prefix to VSIB address for X32.
5776         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5777         "%M2" to opcode.
5778         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5779         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5780         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5781         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5782         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5783         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5784         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5785         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5786         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5787         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5788         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5789         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5790         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5791         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5792         (*avx512f_scatterdi<mode>): Likewise.
5793
5794 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5795
5796         PR target/85860
5797         * lra-constraints.c (inherit_in_ebb): Update
5798         potential_reload_hard_regs along with live_hard_regs.
5799
5800 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5801
5802         PR debug/89498
5803         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5804         DWARF_OFFSET_SIZE.
5805         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5806
5807 2019-03-13  Martin Sebor  <msebor@redhat.com>
5808
5809         PR tree-optimization/89662
5810         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5811         has a size.
5812
5813 2019-03-13  Richard Biener  <rguenther@suse.de>
5814
5815         PR middle-end/89677
5816         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5817         throw FP expressions at tree-affine.
5818
5819 2019-03-14  Richard Biener  <rguenther@suse.de>
5820
5821         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5822         dump negative integer constants using _Literal (type) -num.
5823
5824 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5825
5826         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5827         nonlocal_value member.
5828
5829         PR middle-end/88588
5830         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5831         (ipa_simd_modify_function_body): Handle PHIs.
5832
5833 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5834
5835         * config/s390/s390.c (s390_option_override_internal): Use more
5836         aggressive inlining parameters.
5837
5838 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5839
5840         * config/s390/3906.md: New file.
5841         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5842         (LONGRUNNING_THRESHOLD): Remove.
5843         (MAX_SCHED_MIX_SCORE): Decrease.
5844         (MAX_SCHED_MIX_DISTANCE): Decrease.
5845         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5846         (struct s390_sched_state): New struct to hold scheduling state.
5847         (S390_SCHED_STATE_NORMAL): Remove.
5848         (S390_SCHED_STATE_CRACKED): Remove.
5849         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5850         (s390_get_sched_attrmask): Use new attribute.
5851         (s390_get_unit_mask): Use new units.
5852         (s390_is_fpd): New function.
5853         (s390_is_fxd): New function.
5854         (s390_is_longrunning): New function.
5855         (s390_sched_score): Use new functions.
5856         (s390_sched_reorder): Likewise.
5857         (s390_sched_variable_issue): Rework and use new functions.
5858         (s390_sched_init): Use new functions.
5859         * config/s390/s390.h (s390_tune_attr):  Add z14.
5860         * config/s390/s390.md: Add z14.
5861
5862 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5863
5864         * config/s390/2964.md: Update pipeline description.
5865         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5866         (LONGRUNNING_THRESHOLD): Remove.
5867         (LATENCY_FACTOR): Remove.
5868         (s390_get_unit_mask): Add unit.
5869         (s390_sched_score): Use fxd/fpd.
5870         (s390_sched_variable_issue): Use fxd/fpd.
5871
5872 2019-03-12  Martin Liska  <mliska@suse.cz>
5873
5874         * config/i386/i386.c: Reword an error message.
5875
5876 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5877
5878         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5879         terminate with newline.
5880
5881 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5882
5883         PR target/52726
5884         * config/s390/s390.md (tabort): Use %wd instead of
5885         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5886         letters and periods.
5887         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5888         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5889         's with %< and %>.
5890
5891         PR middle-end/89663
5892         * builtins.c (expand_builtin_int_roundingfn,
5893         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5894         gcc_unreachable if validate_arglist fails.
5895
5896 2019-03-12  Richard Biener  <rguenther@suse.de>
5897
5898         PR tree-optimization/89664
5899         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5900         free the occurance tree after the early out.
5901
5902 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5903
5904         PR middle-end/89655
5905         PR bootstrap/89656
5906         * vr-values.c (vr_values::update_value_range): If
5907         old_vr->varying_p (), don't update it, make new_vr also VARYING
5908         and return false.
5909
5910 2019-03-11  Martin Liska  <mliska@suse.cz>
5911
5912         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5913         Fix double string quoting.
5914
5915 2019-03-11  Martin Liska  <mliska@suse.cz>
5916
5917         * collect-utils.c (collect_wait): Wrap apostrophes
5918         in gcc internal format with %'.
5919         * collect2.c (main): Likewise.
5920         (scan_prog_file): Likewise.
5921         (scan_libraries): Likewise.
5922         * config/i386/i386.c (ix86_expand_call): Likewise.
5923         (ix86_handle_interrupt_attribute): Likewise.
5924         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5925         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5926         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5927         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5928         * symtab.c (symtab_node::verify_base): Likewise.
5929         * tree-cfg.c (verify_gimple_label): Likewise.
5930         * tree.c (verify_type_variant): Likewise.
5931
5932 2019-03-11  Martin Liska  <mliska@suse.cz>
5933
5934         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5935         in a string format message and fix GNU coding style.
5936         (expand_builtin_set_thread_pointer): Likewise.
5937         * common/config/aarch64/aarch64-common.c
5938         (aarch64_rewrite_selected_cpu): Likewise.
5939         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5940         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5941         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5942         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5943         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5944         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5945         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5946         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5947         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5948         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5949         Likewise.
5950         * common/config/riscv/riscv-common.c
5951         (riscv_subset_list::parsing_subset_version): Likewise.
5952         (riscv_subset_list::parse_std_ext): Likewise.
5953         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5954         (riscv_subset_list::parse): Likewise.
5955         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5956         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5957         (aarch64_override_options_internal): Likewise.
5958         (aarch64_validate_mcpu): Likewise.
5959         (aarch64_validate_march): Likewise.
5960         (aarch64_validate_mtune): Likewise.
5961         (aarch64_override_options): Likewise.
5962         * config/alpha/alpha.c (alpha_option_override): Likewise.
5963         * config/arc/arc.c (arc_init): Likewise.
5964         (parse_mrgf_banked_regs_option): Likewise.
5965         (arc_override_options): Likewise.
5966         (arc_expand_builtin_aligned): Likewise.
5967         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5968         (arm_expand_builtin): Likewise.
5969         * config/arm/arm.c (arm_option_check_internal): Likewise.
5970         (arm_configure_build_target): Likewise.
5971         (arm_option_override): Likewise.
5972         (arm_options_perform_arch_sanity_checks): Likewise.
5973         (arm_handle_cmse_nonsecure_entry): Likewise.
5974         (arm_handle_cmse_nonsecure_call): Likewise.
5975         (arm_tls_referenced_p): Likewise.
5976         (thumb1_expand_prologue): Likewise.
5977         * config/avr/avr.c (avr_option_override): Likewise.
5978         * config/bfin/bfin.c (bfin_option_override): Likewise.
5979         * config/c6x/c6x.c (c6x_option_override): Likewise.
5980         * config/cr16/cr16.c (cr16_override_options): Likewise.
5981         * config/cris/cris.c (cris_option_override): Likewise.
5982         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5983         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5984         * config/darwin.c (darwin_override_options): Likewise.
5985         * config/frv/frv.c (frv_expand_builtin): Likewise.
5986         * config/h8300/h8300.c (h8300_option_override): Likewise.
5987         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5988         (ix86_option_override_internal): Likewise.
5989         (warn_once_call_ms2sysv_xlogues): Likewise.
5990         (ix86_expand_prologue): Likewise.
5991         (split_stack_prologue_scratch_regno): Likewise.
5992         (ix86_warn_parameter_passing_abi): Likewise.
5993         * config/ia64/ia64.c (fix_range): Likewise.
5994         * config/m68k/m68k.c (m68k_option_override): Likewise.
5995         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5996         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5997         (mips_set_compression_mode): Likewise.
5998         * config/mmix/mmix.c (mmix_option_override): Likewise.
5999         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6000         * config/msp430/msp430.c (msp430_option_override): Likewise.
6001         * config/nds32/nds32.c (nds32_option_override): Likewise.
6002         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6003         (nios2_option_override): Likewise.
6004         (nios2_expand_custom_builtin): Likewise.
6005         * config/nvptx/mkoffload.c (main): Likewise.
6006         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6007         * config/pa/pa.c (fix_range): Likewise.
6008         (pa_option_override): Likewise.
6009         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6010         (riscv_option_override): Likewise.
6011         * config/rl78/rl78.c (rl78_option_override): Likewise.
6012         * config/rs6000/aix61.h: Likewise.
6013         * config/rs6000/aix71.h: Likewise.
6014         * config/rs6000/aix72.h: Likewise.
6015         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6016         * config/rs6000/freebsd64.h: Likewise.
6017         * config/rs6000/linux64.h: Likewise.
6018         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6019         (rs6000_expand_zeroop_builtin): Likewise.
6020         (rs6000_expand_mtfsb_builtin): Likewise.
6021         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6022         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6023         (rs6000_invalid_builtin): Likewise.
6024         (rs6000_expand_split_stack_prologue): Likewise.
6025         * config/rs6000/rtems.h: Likewise.
6026         * config/rx/rx.c (valid_psw_flag): Likewise.
6027         (rx_expand_builtin): Likewise.
6028         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6029         * config/s390/s390.c (s390_expand_builtin): Likewise.
6030         (s390_function_profiler): Likewise.
6031         (s390_option_override_internal): Likewise.
6032         (s390_option_override): Likewise.
6033         * config/sh/sh.c (sh_option_override): Likewise.
6034         (sh_builtin_saveregs): Likewise.
6035         (sh_fix_range): Likewise.
6036         * config/sh/vxworks.h: Likewise.
6037         * config/sparc/sparc.c (sparc_option_override): Likewise.
6038         * config/spu/spu.c (spu_option_override): Likewise.
6039         (fix_range): Likewise.
6040         * config/visium/visium.c (visium_option_override): Likewise.
6041         (visium_handle_interrupt_attr): Likewise.
6042         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6043         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6044         (dbg_cnt_process_opt): Likewise.
6045         * dwarf2out.c (output_dwarf_version): Likewise.
6046         * except.c (expand_eh_return): Likewise.
6047         * gcc.c (defined): Likewise.
6048         (driver_handle_option): Likewise.
6049         (process_command): Likewise.
6050         (compare_files): Likewise.
6051         (driver::prepare_infiles): Likewise.
6052         (driver::do_spec_on_infiles): Likewise.
6053         (driver::maybe_run_linker): Likewise.
6054         * omp-offload.c (oacc_parse_default_dims): Likewise.
6055         * opts-global.c (handle_common_deferred_options): Likewise.
6056         * opts.c (parse_sanitizer_options): Likewise.
6057         (common_handle_option): Likewise.
6058         (enable_warning_as_error): Likewise.
6059         * passes.c (enable_disable_pass): Likewise.
6060         * plugin.c (parse_plugin_arg_opt): Likewise.
6061         (default_plugin_dir_name): Likewise.
6062         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6063         (default_pch_valid_p): Likewise.
6064         * toplev.c (init_asm_output): Likewise.
6065         (process_options): Likewise.
6066         (toplev::run_self_tests): Likewise.
6067         * tree-cfg.c (verify_gimple_call): Likewise.
6068         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6069         (tree_inlinable_function_p): Likewise.
6070         * var-tracking.c (vt_find_locations): Likewise.
6071
6072 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6073
6074         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6075         only on the else branch.
6076
6077 2019-03-11  Martin Liska  <mliska@suse.cz>
6078
6079         * gcov.c (output_intermediate_json_line): Print function
6080         name of each line.
6081         (output_json_intermediate_file): Add new argument.
6082         * doc/gcov.texi: Document the change.
6083
6084 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6085
6086         PR rtl-optimization/89588
6087         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6088         explicit unrolling factor more robust.
6089
6090 2019-03-11  Richard Biener  <rguenther@suse.de>
6091
6092         PR tree-optimization/89649
6093         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6094         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6095         on the prolog and epilog loops.
6096         (vect_loop_versioning): Return copy of loop.
6097         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6098         on the non-vectorized version of the loop.
6099
6100 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6101
6102         PR target/68924
6103         * config/i386/sse.md (*vec_extractv2di_0_sse):
6104         Add (=r,x) alternative and corresponding splitter.
6105
6106 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6107
6108         PR tree-optimization/85762
6109         PR tree-optimization/87008
6110         PR tree-optimization/85459
6111         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6112         it points to if there is a type changing MEM_REF.  Adjust all callers.
6113         (build_accesses_from_assign): Disable total scalarization if
6114         contains_vce_or_bfcref_p returns true through the new parameter, for
6115         both rhs and lhs.
6116
6117 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6118
6119         PR c/88568
6120         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6121         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6122
6123         PR target/79645
6124         * common.opt (fdiagnostics-show-labels,
6125         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6126         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6127         gas-locview-support, ginline-points, ginternal-reset-location-views):
6128         Terminate description text with a dot.
6129         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6130         * config/mcore/mcore.opt (m210, m340): Likewise.
6131         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6132         mnops=): Start description text with a capital letter.
6133         * config/arc/arc.opt (msize-level=): Likewise.
6134         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6135         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6136         mnewlib): Likewise.
6137         * config/ft32/ft32.opt (msim): Likewise.
6138         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6139         (mnodiv, mnopm): Terminate description text with a dot.
6140         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6141         a colon.
6142         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6143         Likewise.
6144         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6145         text.
6146
6147         PR rtl-optimization/89634
6148         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6149         are modified in BB_END (e->src) instruction.
6150
6151 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6152
6153         PR target/79926
6154         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6155         messages more amenable to translation, and improve wording.
6156
6157 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6158
6159         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6160         ud- and du-chains between phases.
6161
6162 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6163
6164         PR debug/89631
6165         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6166         instead of POLY_INT_CST.
6167
6168 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6169
6170         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6171         requirement.
6172
6173 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6174
6175         PR target/68924
6176         PR target/78782
6177         PR target/87558
6178         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6179         (_mm_storeu_si64): Ditto.
6180
6181 2019-03-08  Martin Liska  <mliska@suse.cz>
6182
6183         PR target/86952
6184         * config/i386/i386.c (ix86_option_override_internal): Disable
6185         jump tables when retpolines are used.
6186
6187 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6188
6189         PR go/63560
6190         * ipa-split.c (execute_split_functions): Do not split
6191         'noinline' or 'section' function.
6192
6193 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6194
6195         PR target/79846
6196         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6197         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6198         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6199
6200         PR ipa/80000
6201         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6202         from diagnostics.  Formatting fixes.
6203
6204         PR target/85665
6205         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6206         warn_odr diagnostics.
6207
6208         PR other/80058
6209         * lra-constraints.c (process_alt_operands): Avoid one space before
6210         " at the end of line and another after " on another line in a string
6211         literal.
6212         * attribs.c (handle_dll_attribute): Likewise.
6213         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6214
6215         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6216         warning_at or inform messages in G_() if there is no ?:.
6217
6218         PR tree-optimization/89550
6219         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6220         returned true.  Formatting fixes.
6221         (expand_builtin_strnlen): Formatting fixes.
6222         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6223         if warning_at returned true.
6224         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6225
6226 2019-03-08  Richard Biener  <rguenther@suse.de>
6227
6228         PR middle-end/89578
6229         * cfgloop.h (struct loop): Add owned_clique field.
6230         * cfgloopmanip.c (copy_loop_info): Copy it.
6231         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6232         cliques.
6233         * tree-inline.c (copy_loops): Remap owned_clique.
6234         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6235         * lto-streamer-out.c (output_cfg): Likewise.
6236
6237 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6238
6239         PR target/80190
6240         * config/darwin.c: Include intl.h.
6241         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6242         composing the message out of two separate parts.
6243
6244 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6245
6246         PR target/80003
6247         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6248         doesn't start with a capital letter and doesn't end with a dot.
6249         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6250         with a capital letter.
6251         (ix86_mangle_function_version_assembler_name): Likewise.
6252         (ix86_generate_version_dispatcher_body): Likewise.
6253         (fold_builtin_cpu): Likewise.
6254         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6255         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6256         translators, wrap full type name in %qs.
6257
6258         PR translation/79999
6259         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6260         depend clause with source (or sink) modifier.
6261         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6262
6263         PR target/89602
6264         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6265         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6266         (avx512f_load<mode>_mask): New define_expand.
6267         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6268         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6269         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6270         __builtin_ia32_movess_mask): New builtins.
6271         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6272         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6273         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6274         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6275
6276 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6277
6278         PR lto/87525
6279         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6280         for extern inline functions.
6281
6282 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6283
6284         PR ipa/88235
6285         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6286         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6287         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6288         have multiple callees.  At the end check if declarations match as
6289         opposed to cgraph_nodes.
6290
6291 2019-03-07  Martin Liska  <mliska@suse.cz>
6292
6293         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6294         which is equivalent to searching for this in clones chain.
6295         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6296         names with a neighbour and special case first node in a chain.
6297
6298 2019-01-25  Jason Merrill  <jason@redhat.com>
6299
6300         PR c++/80916 - spurious "static but not defined" warning.
6301         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6302         for an internal symbol with DECL_EXTERNAL.
6303
6304 2019-04-07  Richard Biener  <rguenther@suse.de>
6305
6306         PR middle-end/89618
6307         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6308         * tree-inline.c (copy_loops): Simplify.
6309
6310 2019-03-07  Martin Liska  <mliska@suse.cz>
6311
6312         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6313
6314 2019-03-07  Richard Biener  <rguenther@suse.de>
6315
6316         PR tree-optimization/89595
6317         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6318         stmt iterator as reference, take boolean output parameter to
6319         indicate whether the stmt was removed and thus the iterator
6320         already advanced.
6321         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6322         stmts created by folding.
6323
6324 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6325
6326         PR c++/89585
6327         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6328         at toplevel.
6329
6330 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6331
6332         PR rtl-optimization/88845
6333         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6334         LRA.
6335         * lra.c (remove_scratches_1): New function.
6336         (remove_scratches): Use it.
6337         (lra_emit_move): Likewise.
6338
6339 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6340
6341         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6342         unaligned_access variable.
6343         * config/arc/arc.c (arc_override_options): Set unaligned access
6344         default on for HS CPUs.
6345         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6346
6347 2019-03-06  Martin Liska  <mliska@suse.cz>
6348
6349         PR gcov-profile/89577
6350         * doc/gcov.texi: Prefer to use --coverage.
6351         * doc/sourcebuild.texi: Likewise.
6352
6353 2019-03-02  Jason Merrill  <jason@redhat.com>
6354
6355         PR c++/86485 - -Wmaybe-unused with empty class ?:
6356         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6357
6358 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6359
6360         PR target/89587
6361         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6362         if_multiarch.
6363
6364         PR middle-end/89590
6365         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6366         exactly one argument.
6367
6368 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6369             Richard Sandiford  <richard.sandiford@arm.com>
6370
6371         PR tree-optimization/89570
6372         * match.pd (vec_cond into cond_op simplification): Don't use
6373         get_conditional_internal_fn, use as_internal_fn (cond_op).
6374
6375 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6376
6377         PR target/89222
6378         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6379         to decide when to split off a non-zero offset from a symbol.
6380         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6381         in function symbols.
6382
6383 2019-03-05  Richard Biener  <rguenther@suse.de>
6384
6385         PR tree-optimization/89594
6386         * tree-if-conv.c (pass_if_conversion::execute): Handle
6387         case where .LOOP_VECTORIZED_FUNCTION was removed.
6388
6389 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6390
6391         PR bootstrap/89560
6392         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6393         instead alloca it only when needed with the needed size.
6394
6395         PR tree-optimization/89570
6396         * match.pd (vec_cond into cond_op simplification): Guard with
6397         vectorized_internal_fn_supported_p test and #if GIMPLE.
6398
6399         PR tree-optimization/89566
6400         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6401         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6402         Punt if get_user_idx_format succeeds, but idx_format argument is
6403         not provided or doesn't have pointer type, or if idx_args is above
6404         number of provided arguments.
6405
6406 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6407
6408         PR tree-optimization/89437
6409         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6410
6411 2019-03-04  Richard Biener  <rguenther@suse.de>
6412
6413         PR middle-end/89572
6414         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6415         safe_dyn_cast.
6416
6417 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6418
6419         PR tree-optimization/89487
6420         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6421         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6422         (distribute_loop): Don't do runtime alias check if there is non-
6423         addressable data reference.
6424         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6425         is a register variable.
6426
6427 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6428
6429         PR target/89506
6430         * config/arm/arm.md (cmpsi2_addneg): Use
6431         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6432         If operands[2] is 0 or INT_MIN, force use of subs.
6433         (*compare_scc splitter): Use gen_int_mode.
6434         (*negscc): Likewise.
6435         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6436
6437 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6438             Monk Chiang  <sh.chiang04@gmail.com>
6439
6440         * common/config/riscv/riscv-common.c: Include sstream.
6441         (riscv_subset_list::to_string): New.
6442         (riscv_arch_str): Likewise.
6443         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6444         * config.in: Regen.
6445         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6446         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6447         (riscv_emit_attribute): New.
6448         (riscv_file_start): Emit attribute if needed.
6449         (riscv_option_override): Init riscv_emit_attribute_p.
6450         * config/riscv/riscv.opt (mriscv-attribute): New option.
6451         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6452         * configure: Regen.
6453         * doc/install.texi: Document --with-riscv-attribute.
6454         * doc/invoke.texi: Document -mriscv-attribute.
6455
6456         * common/config/riscv/riscv-common.c:
6457         Include config/riscv/riscv-protos.h.
6458         (INCLUDE_STRING): Defined.
6459         (RISCV_DONT_CARE_VERSION): Defined.
6460         (riscv_subset_t): Declare.
6461         (riscv_subset_t::riscv_subset_t): New.
6462         (riscv_subset_list): Declare.
6463         (riscv_subset_list::riscv_subset_list): New.
6464         (riscv_subset_list::~riscv_subset_list): Likewise.
6465         (riscv_subset_list::parsing_subset_version): Likewise.
6466         (riscv_subset_list::parse_std_ext): Likewise.
6467         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6468         (riscv_subset_list::add): Likewise.
6469         (riscv_subset_list::lookup): Likewise.
6470         (riscv_subset_list::xlen): Likewise.
6471         (riscv_subset_list::parse): Likewise.
6472         (riscv_supported_std_ext): Likewise.
6473         (current_subset_list): Likewise.
6474         (riscv_parse_arch_string): Using riscv_subset_list::parse to
6475         parse.
6476
6477 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
6478
6479         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6480         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6481         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6482
6483 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
6484
6485         PR rtl-optimization/85899
6486         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6487         fallthru edges leading to the exit block.
6488
6489 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
6490
6491         PR target/89517
6492         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6493         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6494
6495 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
6496
6497         PR tree-optimization/89535
6498         * tree-vect-stmts.c (vectorizable_call): Record the vector types
6499         for each operand.  Calculate the fallback choice for mask operands
6500         and pass it to vect_get_vec_def_for_operand.
6501
6502 2019-03-01  Richard Biener  <rguenther@suse.de>
6503
6504         PR middle-end/89541
6505         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6506         get virtual operands.
6507         (get_expr_operands): Handle CONST_DECL like other decls.
6508
6509 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6510
6511         PR middle-end/89503
6512         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6513         on DECL_P and EXPR_P.
6514
6515 2019-03-01  Richard Biener  <rguenther@suse.de>
6516
6517         PR middle-end/89497
6518         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6519         argument, defaulted to zero.
6520         * passes.c (execute_function_todo): Pass down SSA update flags
6521         to cleanup_tree_cfg.
6522         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6523         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6524         form if requested.
6525         (cleanup_tree_cfg): Get and pass down SSA update flags.
6526
6527 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6528
6529         PR bootstrap/89539
6530         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6531         early_lto_debug argument.
6532
6533 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6534
6535         PR tree-optimization/89536
6536         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6537         only whether bit #0 of the value is 0 instead of the entire value.
6538
6539 2019-02-28  Marek Polacek  <polacek@redhat.com>
6540
6541         PR c++/87068 - missing diagnostic with fallthrough statement.
6542         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6543         at the end of a seq, save its location to walk_stmt_info.
6544         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6545         a switch.
6546
6547 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6548
6549         PR lto/88585
6550         * tree.c (find_atomic_core_type): Move ahead in file.
6551         (check_base_type): Correctly compare alignments of atomic types.
6552
6553 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6554
6555         PR target/89455
6556         * config/i386/i386.c (get_builtin_code_for_version): Identify
6557         Westmere from PCLMUL, instead of AES.
6558
6559 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6560
6561         PR target/89434
6562         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6563         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6564         -UINTVAL (...).
6565
6566 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6567
6568         PR target/88530
6569         * config/aarch64/aarch64-option-extensions.def: Document it.
6570         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6571         if empty hwcaps.
6572
6573 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6574
6575         PR c/89520
6576         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6577         builtins if they don't have a single scalar floating point argument.
6578         Formatting fixes.
6579
6580 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6581
6582         PR rtl-optimization/89490
6583         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6584         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6585         block section is not mergeable.
6586
6587 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6588
6589         PR target/70341
6590         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6591         old define_insn to ...
6592         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6593         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6594         Rename old define_insn to ...
6595         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6596         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6597         define_insn to ...
6598         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6599         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6600         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6601
6602 2019-02-27  Richard Biener  <rguenther@suse.de>
6603
6604         PR debug/88878
6605         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6606
6607 2019-02-27  Richard Biener  <rguenther@suse.de>
6608
6609         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6610         building.
6611
6612 2019-02-27  Richard Biener  <rguenther@suse.de>
6613
6614         PR debug/88878
6615         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6616         parameter, prefix section name with .gnu.debuglto_ if true.
6617         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6618         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6619
6620 2019-02-27  Richard Biener  <rguenther@suse.de>
6621
6622         PR debug/89514
6623         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6624         rather than on use_debug_types, doing what output_die does.
6625         (value_format): Likewise.
6626
6627 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6628             Martin Sebor  <msebor@redhat.com>
6629
6630         * doc/invoke.texi (Warning Options): Reword description of
6631         -Wno-absolute-value.
6632
6633 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6634
6635         PR tree-optimization/89280
6636         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6637         builtin_setjmp_setup_bb): New functions.
6638         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6639         When visiting __builtin_setjmp_setup block, queue in special
6640         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6641         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6642         from visited after the loop if they don't have any visited successor
6643         blocks.
6644
6645 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6646
6647         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6648         New function.
6649         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6650
6651 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6652
6653         PR c++/89507
6654         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6655         with types other than sizetype/ssizetype.
6656
6657 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6658
6659         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6660         (enum sparc_processor_type): ...this.
6661         (enum sparc_code_model_type): New enumeration type.
6662         (enum sparc_memory_model_type): Tweak comments.
6663         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6664         (mtune): Likewise.
6665         (mcmodel): Use sparc_code_model enumeration and variable.
6666         (sparc_code_model): New enumeration.
6667         (mdebug): Add Undocumented marker.
6668         * config/sparc/sparc.h (enum cmodel): Delete.
6669         (sparc_cmodel): Likewise.
6670         (TARGET_CM_MEDLOW): Adjust to above renaming.
6671         (TARGET_CM_MEDMID): Likewise.
6672         (TARGET_CM_MEDANY): Likewise.
6673         (TARGET_CM_EMBMEDANY): Likewise.
6674         * config/sparc/sparc.c (sparc_cmodel): Delete.
6675         (sparc_option_override): Remove string/value mapping support for the
6676         code model.  Move code and memory model support to after the handling
6677         of target flags.  Do private machine setup last.
6678         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6679         (sparc_legitimize_reload_address): Likewise.
6680         (sparc_output_mi_thunk): Likewise.
6681         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6682
6683 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6684
6685         PR tree-optimization/89500
6686         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6687         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6688         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6689         cst if the first cst bytes starting at x are known to be non-zero,
6690         even if the string is not zero terminated.  Don't try to modify
6691         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6692         we can prove strnlen returns the same value as strlen would.
6693
6694 2019-02-26  Martin Liska  <mliska@suse.cz>
6695
6696         * alloc-pool.h (struct pool_usage): Remove extra
6697         print_dash_line.
6698         * bitmap.h (struct bitmap_usage): Likewise.
6699         * ggc-common.c (struct ggc_usage): Likewise.
6700         * mem-stats.h (struct mem_usage): Likewise.
6701         (mem_alloc_description::dump): Print dash lines
6702         here and repeat header at the end of a table report.
6703         It's then more readable.
6704         * tree-phinodes.c (phinodes_print_statistics): Make
6705         horizontal alignment.
6706         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6707         * vec.c (struct vec_usage): Remove extra print_dash_line.
6708         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6709
6710 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6711
6712         * doc/extend.texi (__builtin_object_size):
6713         Use @pxref instead of @xref inside parenthesis.
6714         (__builtin_has_attribute): Add missing comma after @xref.
6715         (__builtin_object_size): Ditto.
6716         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6717         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6718         in the list.
6719
6720 2019-02-26  Jeff Law  <law@redhat.com>
6721
6722         PR rtl-optimization/87761
6723         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6724         detect obviously dead insns and delete them.
6725
6726 2019-02-26  Richard Biener  <rguenther@suse.de>
6727
6728         PR tree-optimization/89505
6729         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6730         to handle restrict pointed-to vars with multiple subvars
6731         correctly.
6732
6733 2019-02-26  Richard Biener  <rguenther@suse.de>
6734
6735         PR tree-optimization/89489
6736         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6737
6738 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6739
6740         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6741         and move around comment.
6742         <BIT_AND_EXPR>: Likewise.
6743         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6744
6745 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6746
6747         PR target/89474
6748         * config/i386/i386.c (remove_partial_avx_dependency): Call
6749         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6750         after changing possibly many instructions to use that pseudo.  Fix up
6751         insertion of v4sf_const0 setter at the start of bb.
6752
6753 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6754
6755         PR c/80409
6756         * doc/extend.texi (Variadic Pointer Args): New section.
6757
6758 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6759             Martin Sebor  <msebor@gmail.com>
6760
6761         * common.opt (Wattribute-alias): Likewise.
6762         * doc/invoke.texi (Option Summary): List general form of
6763         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6764         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6765         Add cross-references.
6766         (-Wattribute-alias): Rewrite and correct default.  Mention
6767         considered attributes (same as for -Wmissing-attributes).
6768
6769 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6770
6771         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6772         (_mm_cvtpd_ps): Likewise.
6773         (_mm_cvttpd_epi32): Likewise.
6774
6775         PR target/89338
6776         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6777         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6778
6779         PR target/89339
6780         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6781
6782 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6783
6784         PR target/88530
6785         * common/config/aarch64/aarch64-common.c
6786         (struct aarch64_option_extension): Add is_synthetic.
6787         (all_extensions): Use it.
6788         (TARGET_OPTION_INIT_STRUCT): Define hook.
6789         (struct gcc_targetm_common): Moved to end.
6790         (all_extensions_by_on): New.
6791         (opt_ext_cmp, typedef opt_ext): New.
6792         (aarch64_option_init_struct): New.
6793         (aarch64_contains_opt): New.
6794         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6795         * config/aarch64/aarch64-option-extensions.def
6796         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6797         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6798         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6799         Set is_synthetic to false.
6800         (crypto): Set is_synthetic to true.
6801         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6802         SYNTHETIC.
6803
6804 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6805
6806         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6807         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6808         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6809         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6810         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6811         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6812         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6813         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6814         Rename ...
6815         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6816         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6817         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6818         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6819         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6820         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6821         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6822         vfmlsl_laneq_high_f16): ... To this.
6823         * config/arm/neon.md: Update comments.
6824
6825 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6826
6827         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6828         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6829         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6830         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6831         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6832         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6833         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6834         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6835         Rename ...
6836         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6837         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6838         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6839         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6840         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6841         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6842         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6843         vfmlslq_laneq_high_f16): ... To this.
6844
6845 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6846
6847         PR rtl-optimization/86096
6848         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6849         comparing mw_order values.
6850
6851 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6852
6853         PR target/89434
6854         * config/arm/arm.md (*subsi3_carryin_const): Use
6855         arm_neg_immediate_operand predicate instead of
6856         arm_not_immediate_operand, "L" constraint instead of "K" and
6857         print it using %n2 instead of %B2.
6858         (*subsi3_carryin_const0): New define_insn.
6859         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6860         instead of arm_not_operand and "I" constraint instead of "K" and
6861         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6862         another match_operand and in the condition check that it is negation
6863         of operands[2].
6864         (*subsi3_carryin_compare_const0): New define_ins.
6865         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6866         *subsi3_carryin_const.
6867         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6868         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6869
6870         PR target/89438
6871         * config/arm.vfp.md (*negdf2_vfp): Use
6872         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6873         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6874
6875 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6876
6877         PR rtl-optimization/89445
6878         * simplify-rtx.c (simplify_ternary_operation): Don't use
6879         simplify_merge_mask on operands that may trap.
6880         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6881         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6882         second operand is CONST_VECTOR, check if any element could be zero.
6883         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6884         their operands can trap.
6885
6886 2019-02-23  Martin Sebor  <msebor@redhat.com>
6887
6888         * gimple-ssa-sprintf.c (target_strtol): Rename...
6889         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6890         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6891         check for range error.
6892
6893 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6894
6895         PR driver/69471
6896         * opts-common.c (prune_options): Also prune joined switches
6897         with Negative and RejectNegative.
6898         * config/i386/i386.opt (march=): Add Negative(march=).
6899         (mtune=): Add Negative(mtune=).
6900         * doc/options.texi: Document Negative used together with Joined
6901         and RejectNegative.
6902
6903 2019-02-22  Martin Sebor  <msebor@redhat.com>
6904
6905         * doc/extend.texi (Other Builtins): Add
6906         __builtin_is_constant_evaluated.
6907
6908 2019-02-22  Richard Biener  <rguenther@suse.de>
6909
6910         PR tree-optimization/87609
6911         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6912
6913 2019-02-22  Jeff Law  <law@redhat.com>
6914
6915         PR rtl-optimization/87761
6916         * config/mips/mips.md: Add new combiner pattern to recognize
6917         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6918
6919 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6920
6921         PR target/89324
6922         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6923         destination register in peepholes generating patterns for ADDS/SUBS.
6924         (add<mode>3_compare0,
6925         *addsi3_compare0_uxtw, add<mode>3_compareC,
6926         add<mode>3_compareV_imm, add<mode>3_compareV,
6927         *adds_<optab><ALLX:mode>_<GPI:mode>,
6928         *subs_<optab><ALLX:mode>_<GPI:mode>,
6929         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6930         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6931         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6932         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6933         sub<mode>3_compare1): Allow stack pointer for source register.
6934         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6935
6936 2019-02-22  Martin Sebor  <msebor@redhat.com>
6937
6938         PR tree-optimization/88993
6939         PR tree-optimization/88853
6940         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6941         New helper.
6942         (sprintf_dom_walker::call_info::is_string_func): New helper.
6943         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6944         for formatted string functions.
6945         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6946
6947 2019-02-22  Martin Sebor  <msebor@redhat.com>
6948
6949         PR c/89425
6950         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6951         unreachable subexpressions.
6952
6953 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6954             Hongtao Liu  <hongtao.liu@intel.com>
6955             Sunil K Pandey  <sunil.k.pandey@intel.com>
6956
6957         PR target/87007
6958         * config/i386/i386-passes.def: Add
6959         pass_remove_partial_avx_dependency.
6960         * config/i386/i386-protos.h
6961         (make_pass_remove_partial_avx_dependency): New.
6962         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6963         New function.
6964         (pass_data_remove_partial_avx_dependency): New.
6965         (pass_remove_partial_avx_dependency): Likewise.
6966         (make_pass_remove_partial_avx_dependency): Likewise.
6967         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6968         (*extendsfdf2): Add avx_partial_xmm_update.
6969         (truncdfsf2): Likewise.
6970         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6971         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6972
6973 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6974
6975         PR middle-end/85598
6976         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6977         analysis for pass.
6978
6979 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6980
6981         PR target/89444
6982         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6983         (PTA_SKYLAKE): Add PTA_AES.
6984         (PTA_GOLDMONT): Likewise.
6985
6986 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6987
6988         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6989         instruction if enabled.
6990         (aarch64_override_options): Remove reference to return address key.
6991
6992 2019-02-22  Richard Biener  <rguenther@suse.de>
6993
6994         PR tree-optimization/89440
6995         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6996         not necessary assert.
6997
6998 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6999
7000         PR fortran/72741
7001         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7002         (oacc_replace_fn_attrib_attr): ... this new function.
7003         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7004         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7005
7006 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7007
7008         * config/arm/arm-cpus.in (ares): Rename to...
7009         (neoverse-n1): ... This.  Add ares as alias.
7010         * config/arm/arm-tables.opt: Regenerate.
7011         * config/arm/arm-tune.md: Likewise.
7012         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7013
7014 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7015
7016         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7017         * config/aarch64/aarch64-tune.md: Regenerate.
7018         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7019
7020 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7021
7022         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7023         (neoversen1_tunings): ... This.
7024         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7025         (neoverse-n1): New CPU.
7026         * config/aarch64/aarch64-tune.md: Regenerate.
7027         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7028
7029 2019-02-22  Richard Biener  <rguenther@suse.de>
7030
7031         PR middle-end/87609
7032         * cfghooks.h (dependence_hash): New typedef.
7033         (struct copy_bb_data): New type.
7034         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7035         (duplicate_block): Likewise.
7036         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7037         (copy_bbs): Create and pass down copy_bb_data.
7038         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7039         (rtl_duplicate_bb): Likewise.
7040         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7041         remap dependence info.
7042
7043 2019-02-22  Richard Biener  <rguenther@suse.de>
7044
7045         PR tree-optimization/87609
7046         * tree-core.h (tree_base): Document special clique values.
7047         * tree-inline.c (remap_dependence_clique): Do not use the
7048         special clique value of one.
7049         (maybe_set_dependence_info): Use clique one.
7050         (clear_dependence_clique): New callback.
7051         (compute_dependence_clique): Clear clique one from all refs
7052         before assigning it (again).
7053
7054 2019-02-21  Martin Sebor  <msebor@redhat.com>
7055
7056         * doc/extend.texi (__clear_cache): Correct signature.
7057
7058 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7059
7060         PR go/89170
7061         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7062         than output_constant_def.
7063         (add_constant_to_table): New static function.
7064         (output_constant_def): Call add_constant_to_table.
7065         (tree_output_constant_def): Likewise.
7066
7067 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7068
7069         PR c++/89285
7070         * builtins.c (fold_builtin_arith_overflow): If first two args are
7071         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7072         to ifn.
7073
7074 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7075
7076         PR target/87412
7077         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7078         error for -mindirect-branch/-mfunction-return with incompatible
7079         -fcf-protection.
7080
7081 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7082
7083         PR bootstrap/88714
7084         * constraints.md (q): Remove.
7085         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7086         instead of q.
7087
7088 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7089
7090         PR hsa/89302
7091         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7092         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7093         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7094         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7095         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7096         proper values to new parameters of omp_adjust_for_condition.
7097
7098 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7099
7100         PR middle-end/89412
7101         * expr.c (expand_assignment): If result is a MEM, use change_address
7102         instead of simplify_gen_subreg.
7103
7104 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7105             David Malcolm  <dmalcolm@redhat.com>
7106
7107         PR middle-end/89091
7108         * fold-const.c (decode_field_reference): Return NULL_TREE if
7109         lang_hooks.types.type_for_size returns NULL.  Check it before
7110         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7111
7112 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7113
7114         PR middle-end/88074
7115         PR middle-end/89415
7116         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7117         buggy mpc_norm.
7118
7119 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7120
7121         PR target/89397
7122         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7123         TARGET_SSE in addition to TARGET_SSE_MATH.
7124
7125         (ix86_excess_precision): Ditto.
7126         (ix86_float_exceptions_rounding_supported_p): Ditto.
7127         (use_rsqrt_p): Ditto.
7128         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7129
7130 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7131
7132         PR c/89410
7133         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7134         linenum_arith_t when determining if two adjacent line spans are
7135         close enough to merge.
7136         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7137         lines within each line_span.
7138
7139 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7140
7141         PR target/86487
7142         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7143         paradoxical SUBREGS.
7144
7145 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7146
7147         PR target/88100
7148         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7149         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7150         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7151         range checking it.
7152
7153 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7154
7155         * config/gcn/gcn.c (print_operand): Fix typo.
7156
7157 2019-02-19  Richard Biener  <rguenther@suse.de>
7158
7159         PR middle-end/88074
7160         * toplev.c (do_compile): Initialize mpfr's exponent range
7161         based on available float modes.
7162
7163 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7164
7165         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7166         as long as the epilogue isn't completed.
7167
7168 2019-02-18  Martin Sebor  <msebor@redhat.com>
7169
7170         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7171         __has_cpp_attribute, and __has_include.
7172
7173 2019-02-18  Martin Sebor  <msebor@redhat.com>
7174
7175         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7176
7177 2019-02-18  Martin Sebor  <msebor@redhat.com>
7178
7179         PR middle-end/89294
7180         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7181         expression.
7182         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7183
7184 2019-02-18  Richard Biener  <rguenther@suse.de>
7185
7186         PR tree-optimization/89296
7187         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7188         of no-warning flag to cases that might emit the bogus warning.
7189
7190 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7191
7192         PR bootstrap/88714
7193         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7194         "q" constraint.
7195         * config/arm/vfp.md (*movdi_vfp): Likewise.
7196         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7197         "q" constraint for operands[0].
7198
7199         PR target/89369
7200         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7201         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7202         pattern in a temporary buffer.
7203         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7204         than 64-operands[2].
7205
7206         PR target/89361
7207         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7208         s390_indirect_branch_settings): Define unconditionally.
7209         (s390_set_current_function): Likewise, but guard the whole body except
7210         the s390_indirect_branch_settings call with
7211         #if S390_USE_TARGET_ATTRIBUTE.
7212         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7213
7214         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7215         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7216         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7217         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7218         HOST_WIDE_INT_1U instead of 1ULL.
7219         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7220         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7221         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7222         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7223         instead of 1UL.
7224         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7225         instead of 1ul.
7226
7227 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7228
7229         PR tree-optimization/89209
7230         * tree-sra.c (create_access_replacement): New optional parameter
7231         reg_tree.  Use it as a type if non-NULL and access type is not of
7232         a register type.
7233         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7234         to create_access_replacement.
7235         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7236         Check lacc is non-NULL before attempting to re-create it on the RHS.
7237
7238 2019-02-18  Martin Liska  <mliska@suse.cz>
7239
7240         PR ipa/89306
7241         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7242         by default.
7243         (symbol_table::free_edge): Recycle m_summary_id.
7244         * cgraph.h (get_summary_id): New.
7245         (symbol_table::release_symbol): Set m_summary_id to -1
7246         by default.
7247         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7248         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7249         function_summary to fast_function_summary.
7250         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7251         * ipa-pure-const.c (class funct_state_summary_t):
7252         Switch from function_summary to fast_function_summary.
7253         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7254         (class ipa_ref_opt_summary_t): Switch from function_summary
7255         to fast_function_summary.
7256         * symbol-summary.h (class function_summary_base): New class
7257         that is created from base of former function_summary.
7258         (function_summary_base::unregister_hooks): New.
7259         (class function_summary): Inherit from function_summary_base.
7260         (class call_summary_base): New class
7261         that is created from base of former call_summary.
7262         (class call_summary): Inherit from call_summary_base.
7263         (struct is_same): New.
7264         (class fast_function_summary): New summary class.
7265         (class fast_call_summary): New summary class.
7266         * vec.h (vec_safe_grow_cleared): New function.
7267
7268 2019-02-18  Martin Liska  <mliska@suse.cz>
7269
7270         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7271         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7272         * doc/tm.texi: Document new target hook.
7273         * doc/tm.texi.in: Likewise.
7274         * target.def: Add new target macro.
7275         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7276         suffixes.
7277
7278 2019-02-17  Alan Modra  <amodra@gmail.com>
7279
7280         PR target/89271
7281         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7282         output reg on add insn.
7283         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7284
7285 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7286
7287         PR target/89372
7288         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7289         (PMULHRSW): Likewise.
7290         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7291         TARGET_AVX2.
7292         (ssse3_pmulhrswv4hi3): New expander.
7293
7294 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7295
7296         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7297         MMX.  Add isa attribute.
7298
7299 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7300
7301         PR rtl-optimization/66152
7302         * builtins.h (c_readstr): Declare.
7303         * builtins.c (c_readstr): Remove forward declaration.  Add
7304         null_terminated_p argument, if false, read all bytes from the
7305         string instead of stopping after '\0'.
7306         * expr.c (string_cst_read_str): New function.
7307         (store_expr): Use string_cst_read_str instead of
7308         builtin_strncpy_read_str.  Try to store by pieces the whole
7309         exp_len first, and only if that fails, split it up into
7310         store by pieces followed by clear_storage.  Formatting fix.
7311
7312         * config/i386/i386.md (*movqi_internal): Remove static from
7313         buf variable.  Use output_asm_insn (buf, operands); return "";
7314         instead of return buf;.
7315         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7316         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7317         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7318
7319 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7320
7321         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7322         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7323         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7324         (CC1_SPEC): Likewise.
7325         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7326
7327 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7328
7329         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7330         the base address on 64-bit strict-alignment platforms.
7331
7332 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7333
7334         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7335
7336 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7337
7338         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7339
7340 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7341
7342         PR rtl-optimization/88308
7343         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7344         on copied instruction.
7345
7346 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7347
7348         * final.c (insn_current_reference_address): Replace test on JUMP_P
7349         with test on jump_to_label_p.
7350         * config/visium/visium-passes.def: New file.
7351         * config/visium/t-visium (PASSES_EXTRA): Define.
7352         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7353         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7354         (TRAMPOLINE_ALIGNMENT): Define.
7355         * config/visium/visium.c (visium_option_override): Do not register
7356         the machine-specific reorg pass here.
7357         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7358         for the GR6.
7359         (output_branch): Adjust threshold for long branch instruction.
7360         * config/visium/visium.md (cpu): Move around.
7361         (length): Adjust for the GR6.
7362
7363 2019-02-15  Richard Biener  <rguenther@suse.de>
7364             Jakub Jelinek  <jakub@redhat.com>
7365
7366         PR tree-optimization/89278
7367         * tree-loop-distribution.c: Include tree-eh.h.
7368         (generate_memset_builtin, generate_memcpy_builtin): Call
7369         rewrite_to_non_trapping_overflow on builtin->size before passing it
7370         to force_gimple_operand_gsi.
7371
7372 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7373
7374         PR other/89342
7375         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7376         optimize_debug.
7377         * opth-gen.awk: Likewise.
7378
7379 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7380
7381         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7382         Enable MMX, SSE and SSE2 by default.
7383         * config/i386/i386.c (ix86_option_override_internal): Do not
7384         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7385
7386 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7387
7388         PR rtl-optimization/89354
7389         * combine.c (make_extraction): Punt if extraction_mode is narrower
7390         than len bits.
7391
7392 2019-02-14  Maya Rashish  <coypu@sdf.org>
7393
7394         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7395         * config/netbsd-d.c: New file.
7396         * config/t-netbsd: Add netbsd-d.o
7397
7398 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7399
7400         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7401         affects_type_identity to true for aarch64_vector_pcs.
7402         (aarch64_comp_type_attributes): New function.
7403         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7404
7405 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7406
7407         PR target/88850
7408         * config/arm/iterators.md (ANY64): Add V4HF.
7409
7410 2019-02-14  Martin Liska  <mliska@suse.cz>
7411
7412         PR rtl-optimization/89242
7413         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7414         process a transformation.
7415
7416 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7417
7418         PR tree-optimization/89314
7419         * fold-const.c (fold_binary_loc): Cast strlen argument to
7420         const char * before dereferencing it.  Formatting fixes.
7421
7422         PR middle-end/89284
7423         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7424
7425 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7426
7427         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7428         and set current index for other optimizations.
7429
7430 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7431
7432         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7433         nonimmediate_operand as operand 2 predicate.
7434         (vec_set<VF2_512_256:mode>_0): Ditto.
7435         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7436         (*vec_concatv2si): Remove alternative 2.
7437         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7438         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7439         (vec_concatv2di): Split alternatives 4,5,6 to ...
7440         (*vec_concatv2di_0) ... new pattern.
7441
7442 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7443
7444         PR target/89190
7445         * config/arm/arm.c (ldm_stm_operation_p) Set
7446         addr_reg_in_reglist correctly for first register.
7447         (load_multiple_sequence): Remove dead base check.
7448         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7449
7450 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7451
7452         PR target/88847
7453         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7454         Expose as @aarch64_pred_mov.
7455         * config/aarch64/aarch64.c (aarch64_classify_address):
7456         Use expand_insn which legitimizes operands.
7457
7458 2019-02-13  Martin Liska  <mliska@suse.cz>
7459
7460         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7461         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7462         and pointer_offset fields.
7463         (initialize_argument_information): Remove usage of dead
7464         fields.
7465         * cgraph.h (struct cgraph_thunk_info): Remove
7466         add_pointer_bounds_args.
7467         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7468         fields.
7469         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7470         fields.
7471         * config/i386/i386.c (ix86_function_arg_advance): Remove
7472         unrelated comment.
7473         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7474         (def_builtin):  Remove usage of dead
7475         fields.
7476         (ix86_add_new_builtins): Likewise.
7477         * ipa-fnsummary.c (compute_fn_summary): Likewise.
7478         * ipa-icf.c (sem_function::equals_wpa): Likewise.
7479         (sem_function::init): Likewise.
7480         (sem_variable::merge): Likewise.
7481         * ipa-visibility.c (function_and_variable_visibility): Likewise.
7482         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7483         * lto-cgraph.c (lto_output_node): Likewise.
7484         (lto_output_varpool_node): Likewise.
7485         (input_node): Likewise.
7486         (input_varpool_node): Likewise.
7487         * lto-streamer-out.c (lto_output): Likewise.
7488         * tree-inline.c (expand_call_inline): Remove usage of
7489         assign_stmts.
7490         * tree-inline.h (struct copy_body_data): Likewise.
7491         * varpool.c (varpool_node::dump): Likewise.
7492
7493 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
7494
7495         PR middle-end/89303
7496         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7497         into pt->vars_contains_escaped_heap instead of setting
7498         pt->vars_contains_escaped_heap to it.
7499
7500         PR middle-end/89281
7501         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7502         INTVAL (size), compare it to GET_MODE_MASK instead of
7503         1 << GET_MODE_BITSIZE.
7504
7505         PR target/89290
7506         * config/i386/predicates.md (x86_64_immediate_operand): Allow
7507         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7508         -mcmodel=large.
7509
7510 2019-02-13  Martin Liska  <mliska@suse.cz>
7511
7512         PR lto/88858
7513         * cfgrtl.c (remove_barriers_from_footer): New function.
7514         (try_redirect_by_replacing_jump): Use it.
7515         (cfg_layout_redirect_edge_and_branch): Likewise.
7516
7517 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7518
7519         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7520         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7521         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7522         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7523         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7524         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7525         New BU_CRYPTO_2.
7526         * config/rs6000/rs6000.c (builtin_function_type)
7527         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7528         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7529         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7530         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7531         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7532
7533 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
7534
7535         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7536         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7537
7538 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7539
7540         PR target/89229
7541         * config/i386/i386.md (*movoi_internal_avx): Revert revision
7542         268678 and revision 268657.
7543         (*movti_internal): Likewise.
7544
7545 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7546
7547         PR target/89233
7548         * config/s390/s390.c (s390_decompose_address): Update comment.
7549         (s390_check_qrst_address): Reject invalid address forms after
7550         LRA.
7551
7552 2019-02-12  Martin Liska  <mliska@suse.cz>
7553
7554         PR lto/88876
7555         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7556         we need default values of funct_state for a function that
7557         is not optimized.
7558
7559 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7560
7561         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7562         the object to pick the size of stores on strict-alignment platforms.
7563
7564         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7565         (*movdi_insn_sp32): Likewise.
7566         (*movdi_insn_sp64): Likewise.
7567
7568 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7569
7570         PR lto/88677
7571         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7572         types that needs constructiong.
7573         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7574
7575 2019-02-12  Richard Biener  <rguenther@suse.de>
7576
7577         PR tree-optimization/89253
7578         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7579         duplicate the loop.
7580
7581 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7582
7583         PR lto/88147
7584         * input.c (selftest::test_line_offset_overflow): New selftest.
7585         (selftest::input_c_tests): Call it.
7586
7587 2019-02-11  Martin Sebor  <msebor@redhat.com>
7588
7589         PR tree-optimization/88771
7590         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7591         when -Wstringop-overflow is set.
7592         (builtin_memref::builtin_memref): Adjust excessive upper bound
7593         only when lower bound is not excessive.
7594         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7595         -Wstringop-ovefflow.
7596         (maybe_diag_offset_bounds): Rename...
7597         (maybe_diag_access_bounds): ...to this.
7598         (check_bounds_or_overlap): Adjust for name change above.
7599
7600 2019-02-11  Martin Sebor  <msebor@redhat.com>
7601
7602         PR c++/87996
7603         * builtins.c (max_object_size): Move from here...
7604         * builtins.h (max_object_size): ...and here...
7605         * tree.c (max_object_size): ...to here...
7606         * tree.h (max_object_size): ...and here.
7607
7608 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7609
7610         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7611         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7612         for correct semantics.
7613
7614 2019-02-11  Alan Modra  <amodra@gmail.com>
7615
7616         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7617         -mlongcall and -mpltseq.
7618         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7619         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7620         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7621         * config/rs6000/sysv4.opt (mpltseq): New option.
7622         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7623         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7624         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7625         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7626         -mpltseq given for ELFv1.
7627         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7628         Only use UNSPEC_PLTSEQ for inline PLT calls.
7629         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7630         use UNSPEC_PLTSEQ for inline PLT calls.
7631         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7632         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7633         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7634         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7635         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7636         (pltseq_mtctr_<mode>): Likewise.
7637
7638 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7639
7640         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7641         Solaris ld.
7642         * configure: Regenerate.
7643
7644 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7645
7646         PR bootstrap/88714
7647         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7648         instead of r.
7649
7650 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7651
7652         * function.c (assign_parm_setup_block): Use the stored
7653         size, not the passed size, when allocating stack-space,
7654         also for a parameter with alignment larger than
7655         MAX_SUPPORTED_STACK_ALIGNMENT.
7656
7657 2019-02-11  Martin Liska  <mliska@suse.cz>
7658
7659         PR ipa/89009
7660         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7661         * ipa-inline.c (inline_small_functions): Likewise.
7662         * ipa-pure-const.c (propagate_pure_const): Likewise.
7663         (propagate_nothrow): Likewise.
7664         * ipa-reference.c (propagate): Likewise.
7665         * ipa-utils.c (struct searchc_env): Remove unused field.
7666         (searchc): Always search across AVAIL_INTERPOSABLE.
7667         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7668         the only called IPA pure const can properly not propagate
7669         across interposable boundary.
7670         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7671
7672 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7673
7674         * config/nds32/nds32.md (call_internal, call_value_internal,
7675         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7676
7677 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7678
7679         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7680         typo.
7681
7682 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7683
7684         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7685         in comments
7686
7687 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7688
7689         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7690
7691 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7692
7693         PR tree-optimization/89268
7694         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7695         if preds is non-NULL.
7696
7697 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7698
7699         PR lto/89272
7700         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7701         polymorphic types.
7702
7703 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7704
7705         * config/nds32/nds32.md (trap): New pattern.
7706
7707 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7708
7709         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7710         dwarf span.
7711
7712 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7713
7714         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7715         to split POST_INC.
7716
7717 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7718
7719         * ipa-visibility.c (localize_node): Also do not localize
7720         LDPR_PREVAILING_DEF_IRONLY_EXP.
7721
7722 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7723
7724         PR lto/87957
7725         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7726         instead of type_with_linkage.
7727
7728 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7729
7730         PR ipa/88755
7731         * params.def (uninlined-function-insns, uninlined-function-time,
7732         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7733         bound so we don't get overflows.
7734
7735 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7736
7737         * config/rs6000/rs6000-string.c (expand_compare_loop,
7738         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7739         memcmp/strncmp.
7740
7741 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7742
7743         PR middle-end/89246
7744         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7745         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7746         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7747
7748 2019-02-09  Alan Modra  <amodra@gmail.com>
7749
7750         PR target/88343
7751         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7752         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7753         setup.
7754
7755 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7756
7757         PR middle-end/88560
7758         * lra-constraints.c (process_alt_operands): Don't increase reject
7759         for memory when offset memory is required.
7760
7761 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7762
7763         * config/s390/vector.md: Implement vector copysign.
7764
7765 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7766
7767         * expr.c (expand_constructor): Correct indentations.
7768
7769 2019-02-08  Richard Biener  <rguenther@suse.de>
7770
7771         PR tree-optimization/89247
7772         * tree-if-conv.c: Include tree-cfgcleanup.h.
7773         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7774         (tree_if_conversion): Pass through predicate vector.
7775         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7776         inline, see if any if-converted loops we refrece in
7777         LOOP_VECTORIZED calls vanished and fixup.
7778         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7779
7780 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7781
7782         * config/s390/constraints.md (jdd): New constraint.
7783
7784 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7785
7786         PR target/89229
7787         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7788         upper 16 vector registers without TARGET_AVX512VL.
7789         (*movti_internal): Likewise.
7790
7791 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7792
7793         PR rtl-optimization/89234
7794         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7795         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7796         (copy_reg_eh_region_note_backward): Likewise.
7797
7798 2019-02-08  Richard Biener  <rguenther@suse.de>
7799
7800         PR middle-end/89223
7801         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7802         doesn't fit in HWI.
7803         (analyze_subscript_affine_affine): Handle failure from
7804         initialize_matrix_A.
7805
7806 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7807
7808         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7809         cfun everywhere.
7810
7811 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7812
7813         PR tree-optimization/86637
7814         PR tree-optimization/89235
7815         * tree-vect-loop.c (optimize_mask_stores): Add an
7816         auto_purge_vect_location sentinel to ensure that vect_location is
7817         purged on exit.
7818         * tree-vectorizer.c
7819         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7820         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7821         to ensure that vect_location is purged on exit.
7822         (pass_slp_vectorize::execute): Likewise, replacing the manual
7823         reset.
7824         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7825
7826 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7827
7828         * config/aarch64/iterators.md (max_opp): New code_attr.
7829         (USMAX): New code iterator.
7830         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7831         (aarch64_smax): Likewise.
7832         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7833         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7834         MINUS (MAX MIN).
7835
7836 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7837
7838         PR target/89229
7839         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7840         for TARGET_AVX512VL.
7841         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7842
7843 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7844
7845         * config/s390/s390-builtin-types.def: Add new types.
7846         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7847         (s390_vec_xlw4): Make the memory operand into a const pointer.
7848         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7849         float.
7850         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7851         a new vector type with the alignment of the scalar memory operand.
7852
7853 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7854             Jakub Jelinek  <jakub@redhat.com>
7855
7856         PR bootstrap/88714
7857         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7858         arm_count_ldrdstrd_insns): New declarations.
7859         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7860         MINUS.
7861         (valid_operands_ldrd_strd): New function.
7862         (arm_count_ldrdstrd_insns): New function.
7863         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7864         sets instead of single DImode set and define new insns to match this.
7865
7866 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7867
7868         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7869         Make it a C initializer.
7870
7871 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7872
7873         PR/target 88850
7874         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7875
7876 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7877
7878         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7879         Use neon_dot<q> for type.
7880         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7881
7882 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7883
7884         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7885         Use neon_dot<q> for type.
7886         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7887         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7888
7889 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7890
7891         PR rtl-optimization/89225
7892         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7893         sizes check.
7894
7895 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7896
7897         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7898         after restoring registers saved to allocate the frame on Windows.
7899
7900 2019-02-06  Richard Biener  <rguenther@suse.de>
7901
7902         PR tree-optimization/89182
7903         * graphite.h (cached_scalar_evolution_in_region): Declare.
7904         * graphite.c (struct seir_cache_key): New.
7905         (struct sese_scev_hash): Likewise.
7906         (seir_cache): New global.
7907         (cached_scalar_evolution_in_region): New function.
7908         (graphite_transform_loops): Allocate and release seir_cache.
7909         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7910         cached_scalar_evolution_in_region.
7911         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7912         Simplify.
7913         (scop_detection::graphite_can_represent_expr: Use
7914         cached_scalar_evolution_in_region.
7915         (scop_detection::stmt_simple_for_scop_p): Likewise.
7916         (find_params_in_bb): Likewise.
7917         (gather_bbs::before_dom_children): Likewise.
7918         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7919         (add_loop_constraints): Likewise.
7920
7921 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7922
7923         PR middle-end/89210
7924         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7925         operand to new_unary_operation only if both element types are integral
7926         and it isn't a widening conversion.  Return NULL_TREE if
7927         new_unary_operation failed.
7928
7929 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7930
7931         PR target/88856
7932         * config/s390/s390.md: Remove load and test FP splitter.
7933
7934 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7935
7936         PR target/89112
7937         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7938         expand_compare_loop, expand_block_compare_gpr,
7939         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7940         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7941         #include "profile-count.h" and "predict.h" for types and functions
7942         needed to work with REG_BR_PROB notes.
7943
7944 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7945
7946         PR target/89112
7947         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7948         for the long branch case.
7949
7950 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7951
7952         PR target/89188
7953         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7954         can throw, non-call exceptions are enabled and we can't delete
7955         dead exceptions or alter cfg.  Set must_clean if
7956         delete_insn_and_edges returns true, don't set it blindly for calls.
7957         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7958
7959         PR rtl-optimization/89195
7960         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7961         of the original MEM.
7962
7963 2019-02-05  Martin Liska  <mliska@suse.cz>
7964
7965         PR gcov-profile/89000
7966         * gcov.c (function_summary): Remove argument.
7967         (file_summary): New function.
7968         (print_usage): Replace tabs with spaces.
7969         (generate_results): Use new function file_summary.
7970
7971 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7972
7973         PR target/89186
7974         * optabs.c (prepare_cmp_insn): Pass x and y to
7975         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7976
7977 2019-02-05  Richard Biener  <rguenther@suse.de>
7978
7979         PR middle-end/89150
7980         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7981         (struct bitmap_element): Drop chain_prev so we properly recurse on
7982         the prev member, supporting tree views.
7983         (struct bitmap_head): GTY skip the obstack member.
7984
7985 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7986
7987         PR c/88698
7988         * doc/extend.texi (Vector Extensions): Add an example of using vector
7989         types together with x86 intrinsics.
7990
7991 2019-02-04  Alan Modra  <amodra@gmail.com>
7992
7993         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7994         str[] size to 160, and comment.
7995
7996 2019-02-04  Alan Modra  <amodra@gmail.com>
7997
7998         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7999         (rs6000_pltseq_template): Guard output of TLS markers with
8000         TARGET_TLS_MARKERS.
8001         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8002         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8003         to use inline PLT sequences.
8004         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8005         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8006         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8007
8008 2019-02-04  Martin Liska  <mliska@suse.cz>
8009
8010         PR ipa/88985
8011         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8012         out when ipa_fn_summaries does not contain entry for callee.
8013
8014 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8015
8016         * config/sparc/sparc.h: Remove superfluous blank lines.
8017         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8018         (got_register_rtx): ...this.
8019         (sparc_got): Adjust to above renaming.
8020         (sparc_tls_got): Likewise.
8021         (sparc_delegitimize_address): Likewise.
8022         (sparc_output_mi_thunk): Likewise.
8023         (sparc_init_pic_reg): Likewise.
8024         (save_local_or_in_reg_p): Fix test on the GOT register.
8025         (USE_HIDDEN_LINKONCE): Move around.
8026         (get_pc_thunk_name): Likewise.
8027         (gen_load_pcrel_sym): Likewise.
8028         (load_got_register): Likewise.
8029
8030 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8031
8032         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8033         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8034
8035 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8036
8037         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8038         into consideration.
8039
8040 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8041
8042         * config.gcc (with_nds32_lib, glibc):
8043         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8044         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8045         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8046
8047 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8048
8049         PR target/89071
8050         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8051         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8052         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8053         (*rcpsf2_sse): Ditto.
8054         (*rsqrtsf2_sse): Ditto.
8055         (sse4_1_round<mode<2): Ditto.
8056
8057 2019-02-03  Richard Biener  <rguenther@suse.de>
8058
8059         PR debug/87295
8060         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8061         orig.
8062
8063 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8064
8065         PR middle-end/87887
8066         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8067         Punt with warning on aggregate return or argument types.  Ignore
8068         type/mode checking for uniform arguments.
8069
8070 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8071
8072         * combine.c (try_combine): Do not print "Can't combine" messages unless
8073         printing failed combination attempts.
8074
8075 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8076
8077         PR hsa/87863
8078         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8079         segment and global segment variables before making them static.
8080
8081 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8082
8083         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8084         missed optimization dump with dump_enabled_p.
8085
8086 2019-02-01  Richard Biener  <rguenther@suse.de>
8087
8088         PR middle-end/88597
8089         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8090         the instantiate cache.
8091         (instantiate_scev_binary): Elide second operand procesing
8092         if equal to the first.
8093         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8094         (chrec_contains_undetermined): Likewise.
8095         (tree_contains_chrecs): Likewise.
8096
8097 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8098
8099         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8100
8101 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8102
8103         PR tree-optimization/89143
8104         * wide-int-range.h (wide_int_range_absu): Declare.
8105         * wide-int-range.cc (wide_int_range_absu): New function.
8106         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8107
8108         PR tree-optimization/88107
8109         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8110         instead of assertion that eh_region_outermost is non-NULL, if it
8111         is NULL, set *ALL to true and return NULL.
8112         (move_sese_region_to_fn): Adjust caller, if all is set, call
8113         duplicate_eh_regions with NULL region.
8114
8115 2019-02-01  Richard Biener  <rguenth@suse.de>
8116
8117         PR rtl-optimization/88593
8118         * mode-switching.c (optimize_mode_switching): Free dominators before
8119         calling cleanup_cfg.
8120
8121 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8122
8123         PR tree-optimization/88932
8124         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8125
8126 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8127
8128         PR middle-end/89137
8129         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8130         bogus clang warning.
8131
8132 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8133
8134         PR target/89071
8135         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8136         alternative to avoid partial SSE register stall for TARGET_AVX.
8137         (truncdfsf2): Ditto.
8138         (sse4_1_round<mode>2): Ditto.
8139
8140 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8141
8142         PR tree-optimization/89008
8143         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8144         process anything of the form X * 0.
8145
8146 2019-01-31  Richard Biener  <rguenther@suse.de>
8147
8148         PR tree-optimization/89135
8149         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8150         with abnormal preds.
8151
8152 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8153
8154         PR sanitizer/89124
8155         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8156         always_inline callees into no_sanitize_address callers.
8157
8158 2019-01-31  Richard Biener  <rguenther@suse.de>
8159
8160         PR rtl-optimization/89115
8161         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8162
8163 2019-01-30  Martin Sebor  <msebor@redhat.com>
8164
8165         PR other/89106
8166         * doc/extend.texi (cast to a union): Correct and expand.
8167
8168 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8169
8170         PR rtl-optimization/87246
8171         * lra-constraints.c (simplify_operand_subreg): Reload memory
8172         in subreg if the address became invalid.
8173
8174 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8175
8176         PR target/87064
8177         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8178         Disable for little-endian.
8179
8180 2019-01-30  Richard Biener  <rguenther@suse.de>
8181
8182         PR rtl-optimization/89115
8183         * opts.c (default_options_optimization): Reduce
8184         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8185         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8186         to the default.
8187
8188 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8189
8190         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8191         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8192         type of vector element when vec_extract is implemented by direct
8193         move.
8194
8195 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8196
8197         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8198
8199 2019-01-30  Richard Biener  <rguenther@suse.de>
8200
8201         PR tree-optimization/89111
8202         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8203         canonicalization to appropriately sized access types.
8204
8205 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8206
8207         PR c++/89105
8208         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8209         for arguments to functions that are TU-local and shouldn't be
8210         referenced by assembly.
8211
8212 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8213
8214         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8215         after '='.
8216
8217 2019-01-29  Martin Sebor  <msebor@redhat.com>
8218
8219         PR c/88956
8220         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8221
8222 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8223
8224         PR c++/66676
8225         PR ipa/89104
8226         * omp-simd-clone.c (simd_clone_clauses_extract)
8227         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8228         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8229
8230 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8231
8232         * config.gcc: Force .init_array for ARC.
8233
8234 2019-01-29  Richard Biener  <rguenther@suse.de>
8235
8236         PR debug/87295
8237         * dwarf2out.c (collect_skeleton_dies): New helper.
8238         (copy_decls_for_unworthy_types): Call it.
8239         (build_abbrev_table): Assert we do not try to replace
8240         DW_AT_signature refs with local refs.
8241
8242 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8243
8244         PR middle-end/89002
8245         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8246         for lastprivate/linear IV, push gimplify context around gimplify_assign
8247         and, if it needed any temporaries, pop it into a gimple bind around the
8248         sequence.
8249
8250 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8251
8252         * common.opt (-Wattribute-alias): Remove "no-" from name.
8253         Make -Wattribute-alias command line option and
8254         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8255
8256 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8257
8258         PR target/89073
8259         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8260         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8261         x86 ISA options.
8262         (bmi2): Add missing @opindex.
8263         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8264         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8265         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8266         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8267         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8268         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8269         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8270         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8271         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8272         xsavec, xsaveopt and xsaves options.
8273
8274 2019-01-28  Richard Biener  <rguenther@suse.de>
8275
8276         PR debug/89076
8277         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8278         support removal.
8279
8280 2019-01-28  Richard Biener  <rguenther@suse.de>
8281
8282         PR tree-optimization/88739
8283         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8284         BIT_FIELD_REFs only are applied to mode-precision operands
8285         when they are integral.
8286         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8287         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8288         BIT_FIELD_REFs of non-mode-precision integral operands.
8289
8290 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8291
8292         PR target/87214
8293         * config/i386/sse.md
8294         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8295         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8296         first constants in pairs are multiples of 2.  Formatting fixes.
8297         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8298         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8299         first constants in each quadruple are multiples of 4.  Formatting fixes.
8300
8301 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8302
8303         PR ipa/88933
8304         * tree-inline.c: Include tree-cfgcleanup.h.
8305         (delete_unreachable_blocks_update_callgraph): Move...
8306         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8307         ...here, make externally visible, make second argument bool, adjust
8308         all callers.
8309         * tree-cfgcleanup.c: Include cgraph.h.
8310         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8311         Declare.
8312         * ipa-prop.c: Include tree-cfgcleanup.h.
8313         (ipcp_transform_function): Call
8314         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8315
8316 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8317
8318         PR rtl-optimization/88846
8319         * ira.c (process_set_for_memref_referenced_p): New.
8320         (memref_referenced_p): Add new param.  Use
8321         process_set_for_memref_referenced_p.  Add new switch cases.
8322         (memref_used_between_p): Pass new arg to memref_referenced_p.
8323
8324 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8325
8326         PR target/88469
8327         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8328         argument ABI_BREAK.  Set to true if the calculated alignment has
8329         changed in gcc-9.  Check bit-fields for their base type alignment.
8330         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8331         (aarch64_function_arg_boundary): Likewise.
8332         (aarch64_gimplify_va_arg_expr): Likewise.
8333
8334 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8335
8336         PR middle-end/89037
8337         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8338         instead of accessing TREE_INT_CST_ELT directly.
8339
8340 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8341
8342         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8343         fenv_exceptions description.
8344
8345 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8346
8347         PR rtl-optimization/87763
8348         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8349         Allow SUBREG when matching CC_NZmode compare.
8350
8351 2019-01-25  Richard Biener  <rguenther@suse.de>
8352
8353         PR tree-optimization/89049
8354         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8355         Look at the pattern stmt to determine if the stmt is vectorized.
8356
8357 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8358
8359         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8360         (pred_mov<mode>): Handle all-register forms using both a new
8361         alternative and a split.
8362
8363 2019-01-25  Richard Biener  <rguenther@suse.de>
8364
8365         PR tree-optimization/86865
8366         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8367         Reject non-do-while loops.
8368
8369 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8370
8371         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8372         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8373         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8374         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8375         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8376         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8377         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8378         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8379         vlogical_operand, gpc_reg_operand, int_reg_operand,
8380         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8381         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8382         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8383         (save_world_operation, restore_world_operation, lmw_operation,
8384         stmw_operation): Use MEM_P and REG_P.
8385         (tie_operand): Use MEM_P.
8386         (vrsave_operation, crsave_operation): Use REG_P.
8387         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8388         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8389         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8390         (call_operand): Use HARD_REGISTER_P.
8391         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8392         Use CONST_INT_P.
8393         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8394         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8395         quad_aligned_load_p, replace_swapped_aligned_store,
8396         recombine_lvx_pattern, replace_swapped_aligned_load,
8397         recombine_stvx_pattern): Use MEM_P.
8398         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8399         Use MEM_P and SYMBOL_REF_P.
8400         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8401         (insn_is_swappable_p): Use REG_P and MEM_P.
8402         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8403         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8404         Use CONST_INT_P.
8405         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8406         Use CONST_DOUBLE_P.
8407         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8408         CONST_WIDE_INT_P.
8409         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8410         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8411         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8412         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8413         reg_or_subregno:
8414         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8415         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8416         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8417         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8418         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8419         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8420         rs6000_split_logical_di): Use CONST_INT_P.
8421         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8422         REG_P and SYMBOL_REF_P.
8423         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8424         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8425         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8426         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8427         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8428         (small_data_operand, print_operand_address): Use CONST_INT_P and
8429         SYMBOL_REF_P.
8430         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8431         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8432         Use HARD_REGISTER_NUM_P.
8433         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8434         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8435         SUBREG_P and SYMBOL_REF_P.
8436         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8437         and HARD_REGISTER_NUM_P.
8438         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8439         reg_or_subregno.
8440         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8441         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8442         MEM_P and REG_P.
8443         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8444         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8445         find_addr_reg): Use REG_P.
8446         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8447         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8448         (offsettable_ok_by_alignment, constant_pool_expr_p,
8449         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8450         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8451         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8452         rs6000_assemble_integer, create_TOC_reference,
8453         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8454         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8455         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8456         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8457         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8458         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8459         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8460         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8461         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8462         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8463         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8464         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8465         and cbranch<mode>4): Use CONST_INT_P.
8466         (multiple define_splits): Use REG_P and SUBREG_P.
8467         (define_expands call, call_value): Use MEM_P.
8468         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
8469         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8470         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8471         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8472         and HARD_REGISTER_NUM_P.
8473         (multiple define_splits): Use HARD_REGISTER_NUM_P.
8474
8475 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
8476
8477         PR rtl-optimization/88948
8478         * rtl.h (prepare_copy_insn): New prototype.
8479         * gcse.c (prepare_copy_insn): New function, split out from
8480         process_insert_insn.
8481         (process_insert_insn): Use prepare_copy_insn.
8482         * store-motion.c (replace_store_insn): Use prepare_copy_insn
8483         instead of gen_move_insn.
8484
8485 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
8486
8487         PR debug/89006
8488         * config/i386/i386.c (ix86_pic_register_p): Return true for
8489         UNSPEC_SET_GOT too.
8490
8491         PR tree-optimization/88964
8492         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8493         punt if HONOR_SNANS (chrec).
8494
8495         PR middle-end/89015
8496         * tree-nested.c (convert_nonlocal_reference_stmt,
8497         convert_local_reference_stmt, convert_tramp_reference_stmt,
8498         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8499         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8500         or GIMPLE_OMP_TASK.
8501
8502         PR tree-optimization/89027
8503         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8504         for "omp simd array" variables.
8505
8506 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
8507
8508         PR target/88469
8509         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8510         force the alignment of m_val.
8511
8512 2019-01-24  Richard Biener  <rguenther@suse.de>
8513
8514         PR lto/87187
8515         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8516         When in "legacy" debug mode make sure to reset self-origins.
8517
8518 2019-01-24  Martin Liska  <mliska@suse.cz>
8519
8520         PR gcov-profile/88994
8521         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8522         result will be always smaller or equal to the original.
8523         * gcov.c (mangle_name): Fix else branch where we should
8524         also copy to PTR and shift the pointer.
8525
8526 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8527
8528         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8529         * vr-values.c (find_case_label_ranges): Fix a comment typo.
8530
8531 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
8532
8533         * common/config/i386/i386-common.c
8534         (OPTION_MASK_ISA_ENQCMD_SET,
8535         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8536         (ix86_handle_option): Handle -menqcmd.
8537         * config.gcc (enqcmdintrin.h): New header file.
8538         * config/i386/cpuid.h (bit_ENQCMD): New bit.
8539         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8540         -menqcmd.
8541         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8542         function type.
8543         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8544         __builtin_ia32_enqcmds): New builtins.
8545         * config/i386/i386-c.c (__ENQCMD__): New macro.
8546         * config/i386/i386-option.c (ix86_target_string): Add
8547         -menqcmd.
8548         (ix86_valid_target_attribute_inner_p): Likewise.
8549         * config/i386/i386-expand.c
8550         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8551         IX86_BUILTIN_ENQCMDS.
8552         * config/i386/i386.h (TARGET_ENQCMD): New.
8553         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8554         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8555         (movdir64b_<mode>): Parameterize to enable share expansion code
8556         with ENQCMD in function ix86_expand_builtin.
8557         * config/i386/i386.opt: Add -menqcmd.
8558         * config/i386/immintrin.h: Include enqcmdintrin.h.
8559         * config/i386/enqcmdintrin.h: New intrinsic file.
8560         * doc/invoke.texi: Add -menqcmd.
8561
8562 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8563             Steve Ellcey <sellcey@marvell.com>
8564
8565         PR target/85711
8566         * recog.c (address_operand): Return false on wrong mode for address.
8567         (constrain_operands): Check for mode with 'p' constraint.
8568
8569 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8570
8571         PR target/88998
8572         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8573         Disparage MMX alternative.
8574         (sse2_cvtpd2pi): Ditto.
8575         (sse2_cvttpd2pi): Ditto.
8576
8577 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8578
8579         PR driver/89014
8580         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8581         use-after-free of the result of
8582         aarch64_get_extension_string_for_isa_flags.
8583
8584 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8585
8586         PR c/44715
8587         * doc/extend.texi: Document break and continue behavior in
8588         statement expressions.
8589
8590 2019-01-23  Richard Biener  <rguenther@suse.de>
8591
8592         PR tree-optimization/89008
8593         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8594         not leave another stray operand.
8595
8596 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8597
8598         * BASE-VER: Bump to 9.0.1.
8599
8600 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8601
8602         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8603         thunk that returns by reference, use the type of the return object
8604         of the thunk instead of that of the alias to build the dereference.
8605
8606 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8607
8608         * config/arc/atomic.md: Add operand to DMB instruction.
8609
8610 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8611
8612         PR tree-optimization/88964
8613         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8614         build_zero_cst instead of build_int_cst.  Return false for loop
8615         invariants which honor signed zeros.
8616
8617 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8618
8619         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8620
8621 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8622
8623         PR target/88965
8624         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8625         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8626         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8627
8628         PR middle-end/88968
8629         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8630         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8631
8632         PR target/87064
8633         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8634         Disable for little endian.
8635
8636 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8637
8638         PR target/88469
8639         * config/arm/arm.c (arm_needs_double_word_align): Check
8640         DECL_BIT_FIELD_TYPE.
8641
8642 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8643             H.J. Lu  <hongjiu.lu@intel.com>
8644
8645         PR target/88909
8646         * config/i386/i386-builtin.def: Add mask2 to all builtin
8647         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8648         SPECIAL_ARGS.
8649         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8650         (BDESC_FIRST): Likewise.
8651         (define_builtin): Add an argument for mask2.  Updated to handle
8652         both ix86_isa_flags and ix86_isa_flags2.
8653         (define_builtin_const): Likewise.
8654         (define_builtin_pure): Likewise.
8655         (define_builtin2): Deleted.
8656         (define_builtin_const2): Likewise.
8657         (builtin_description): Add a member, mask2.
8658         (bdesc_*): Add mask2 to builtin initializations.
8659         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8660         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8661         support.
8662         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8663
8664 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8665
8666         PR target/88954
8667         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8668         noplt attribute.
8669
8670 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8671
8672         PR target/88469
8673         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8674         alignment is dominated by a bitfield with 64-bit aligned base type.
8675         (arm_function_arg): Emit a warning if the alignment has changed since
8676         earlier GCC releases.
8677         (arm_function_arg_boundary): Likewise.
8678         (arm_setup_incoming_varargs): Likewise.
8679
8680 2019-01-22  Richard Biener  <rguenther@suse.de>
8681
8682         PR tree-optimization/88862
8683         * graphite-scop-detection.c
8684         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8685
8686 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8687
8688         * doc/extend.tex (AMD GCN Function Attributes): New section.
8689         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8690         * doc/invoke.texi (AMD GCN Options): New section.
8691         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8692
8693 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8694
8695         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8696         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8697
8698 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8699
8700         PR tree-optimization/88044
8701         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8702         is false in the first iteration, but !every_iteration, return false
8703         instead of true with niter->niter zero.
8704
8705         PR rtl-optimization/88904
8706         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8707         any nonequal registers before processing BB_END (b).
8708
8709         PR target/88905
8710         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8711         GET_MODE (op0).
8712         (expand_binop_directly, expand_doubleword_clz,
8713         expand_doubleword_popcount, expand_ctz, expand_ffs,
8714         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8715
8716         PR rtl-optimization/49429
8717         PR target/49454
8718         PR rtl-optimization/86334
8719         PR target/88906
8720         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8721         addressable from here...
8722         (emit_block_op_via_libcall): ... to here.
8723
8724 2019-01-22  Richard Biener  <rguenther@suse.de>
8725
8726         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8727         auto_vec for cost vector to fix memleak.
8728         (vectorize_fold_left_reduction): Properly gather SLP defs.
8729         (vectorizable_comparison): Do not swap operands to properly
8730         gather SLP defs.
8731
8732 2019-01-22  Alan Modra  <amodra@gmail.com>
8733
8734         PR target/88614
8735         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8736         stays a reg.  Allow a const_int.
8737         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8738         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8739         (IS_NOMARK_TLSGETADDR): Define.
8740         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8741         (rs6000_output_tlsargs): New function.
8742         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8743         __tls_get_addr call takes an arg.
8744         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8745         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8746         delete split..
8747         (call_value_nonlocal_sysv): ..or here, delete split.
8748         (tls_gdld_nomark): Delete.
8749         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8750         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8751         (call_value_nonlocal_sysv): Likewise.
8752         (call_value_nonlocal_sysv_secure): Likewise.
8753         (call_value_nonlocal_aix): Likewise.
8754         (call_value_indirect_aix): Likewise.
8755         (call_value_indirect_elfv2): Likewise.
8756         (call_value_local32, call_value_local64): Disable for no-mark tls.
8757         (call_value_local_aix): Likewise.
8758
8759 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8760
8761         PR target/88938
8762         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8763         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8764
8765 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8766
8767         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8768         string contents as hash_map keys.
8769
8770 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8771
8772         PR c/88928
8773         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8774         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8775         instead of TYPE_ALIGN.
8776         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8777         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8778         pointer from TYPE_STUB_DECL.
8779
8780 2019-01-21  Richard Biener  <rguenther@suse.de>
8781
8782         PR tree-optimization/88934
8783         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8784         at the possibly non-constant operand.
8785         (vect_get_constant_vectors): Adjust.
8786
8787 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8788
8789         PR target/71659
8790         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8791         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8792         instead of _X86INTRIN_H_INCLUDED.
8793         * onfig/i386/clwbintrin.h: Likewise.
8794         * config/i386/pkuintrin.h: Likewise.
8795         * config/i386/prfchwintrin.h: Likewise.
8796         * config/i386/rdseedintrin.h: Likewise.
8797         * config/i386/wbnoinvdintrin.h: Likewise.
8798         * config/i386/xsavecintrin.h: Likewise.
8799         * config/i386/xsavesintrin.h: Likewise.
8800         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8801         * config/i386/xsaveintrin.h: Likewise.
8802         * config/i386/xsaveoptintrin.h: Likewise.
8803         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8804         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8805         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8806         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8807         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8808         * config/i386/immintrin.h: Here.
8809
8810 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8811
8812         PR ipa/87615
8813         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8814         with aa_walk_budget.
8815         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8816         aa_walk_budget_p parameter.
8817         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8818         walk.  Updated all callers.
8819         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8820         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8821         unmodified_parm.
8822         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8823         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8824         and to unmodified_parm.
8825         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8826         info, updated call to will_be_nonconstant_expr_predicate.
8827         (param_change_prob): New parameter fbi, limit AA walking.
8828         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8829         calls to various above functions.
8830         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8831         parameter.  Use it to limit AA walking.
8832         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8833         fbi, limit AA walk.
8834         (detect_type_change): New parameter fbi, pass it on to
8835         detect_type_change_from_memory_writes.
8836         (detect_type_change_ssa): Likewise.
8837         (aa_overwalked): Removed.
8838         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8839         accordingly, adjust to the neew AA limiting scheme.
8840         (parm_ref_data_preserved_p): Likewise.
8841         (ipa_compute_jump_functions_for_edge): Adjust call to
8842         get_dynamic_type.
8843         (ipa_analyze_call_uses): Likewise.
8844         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8845         (ipa_analyze_node): Initialize aa_walk_budget.
8846         (ipcp_transform_function): Likewise.
8847         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8848         to get_dynamic_type.
8849
8850 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8851
8852         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8853         outside of #if CHECKING_P code.
8854
8855 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8856
8857         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8858         New function, split out from...
8859         (loop_versioning::analyze_stride): ...here.
8860         (loop_versioning::find_per_loop_multiplication): Use gassign.
8861         (loop_versioning::analyze_term_using_scevs): Return a success code.
8862         (loop_versioning::analyze_arbitrary_term): New function.
8863         (loop_versioning::analyze_address_fragment): Use
8864         analyze_arbitrary_term if all else fails.
8865
8866 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8867
8868         PR target/88892
8869         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8870         operands.
8871
8872 2019-01-18  Richard Biener  <rguenther@suse.de>
8873
8874         PR tree-optimization/88903
8875         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8876         scalar stmts a SLP shift amount is composed of when detecting
8877         shifts by scalars.
8878
8879 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8880
8881         PR target/88799
8882         * config/arm/arm-cpus.in (mp): New feature.
8883         (sec): New feature.
8884         (fgroup ARMv7ve): Add mp and sec features.
8885         (arch armv7-a): Add options to allow mp and sec extensions.
8886         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8887         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8888         extenstions to the base architecture.
8889         (cpu cortex-a8): Add sec extension to the base architecture.
8890         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8891         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8892         variants down to the base v7-a varaint.
8893         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8894         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8895         of permitted extensions for -march=armv7-a and for
8896         -mcpu=generic-armv7-a.
8897
8898 2019-01-18  Martin Liska  <mliska@suse.cz>
8899
8900         * params.def: Fix comment.
8901         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8902         name.
8903         (gimple_gen_ic_func_profiler): Likewise.
8904
8905 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8906
8907         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8908         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8909         and put in error checks for stack protector guard options.
8910         (aarch64_stack_protect_guard): New.
8911         (TARGET_STACK_PROTECT_GUARD): Define.
8912         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8913         (reg_stack_protect_address<mode>): New.
8914         (stack_protect_set): Adjust for SSP_GLOBAL.
8915         (stack_protect_test): Likewise.
8916         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8917         (-mstack-protector-guard): Likewise.
8918         (-mstack-protector-guard-offset): Likewise.
8919
8920 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8921
8922         PR tree-optimization/86214
8923         * tree-inline.h (struct copy_body_data): Add
8924         add_clobbers_to_eh_landing_pads member.
8925         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8926         (copy_edges_for_bb): Call it if EH edge destination is <
8927         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8928         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8929         if flag_stack_reuse != SR_NONE and clear it afterwards.
8930
8931 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8932
8933         PR target/85596
8934         * doc/install.texi (with-multilib-list): Document for aarch64.
8935
8936 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8937
8938         PR target/88734
8939         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8940         (("..."))) with ("...").
8941
8942 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8943
8944         * doc/extend.texi (Built-in Functions for Memory Model Aware
8945         Atomic Operations): Document atomic fetch and nand.
8946
8947 2019-01-18  Martin Liska  <mliska@suse.cz>
8948             Richard Biener  <rguenther@suse.de>
8949
8950         PR middle-end/88587
8951         * cgraph.h (create_version_clone_with_body): Add new argument
8952         with attributes.
8953         * cgraphclones.c (cgraph_node::create_version_clone): Add
8954         DECL_ATTRIBUTES to a newly created decl.  And call
8955         valid_attribute_p so that proper cl_target_optimization_node
8956         is set for the newly created declaration.
8957         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8958         for declaration.
8959         (expand_target_clones): Do not call valid_attribute_p, it must
8960         be already done.
8961         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8962         vector types.
8963
8964 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8965
8966         PR target/88734
8967         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8968         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8969         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8970
8971 2019-01-17  Martin Sebor  <msebor@redhat.com>
8972
8973         PR middle-end/88273
8974         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8975         Handle anti-ranges the same as no range at all.
8976
8977 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8978
8979         * config/aarch64/aarch64.c (cgraph.h): New include.
8980         (intl.h): New include.
8981         (supported_simd_type): New function.
8982         (currently_supported_simd_type): Ditto.
8983         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8984         (aarch64_simd_clone_adjust): Ditto.
8985         (aarch64_simd_clone_usable): Ditto.
8986         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8987         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8988         (TARGET_SIMD_CLONE_USABLE): Ditto.
8989         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8990         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8991         call.
8992
8993 2019-01-17  Martin Sebor  <msebor@redhat.com>
8994
8995         PR tree-optimization/88800
8996         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8997         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8998         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8999         redundant argument.  Add new argument and issue diagnostics under
9000         its control.  Detect out-of-bounds access even with warnings
9001         disabled.
9002         (check_bounds_or_overlap): Change return type.  Add argument.
9003         (wrestrict_dom_walker::check_call): Adjust.
9004         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9005         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9006         check_bounds_or_overlap's return value.
9007         (handle_builtin_stxncpy): Same.
9008         (handle_builtin_strcat): Same.
9009
9010 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9011             Kwok Cheung Yeung  <kcy@codesourcery.com>
9012             Julian Brown  <julian@codesourcery.com>
9013             Tom de Vries  <tom@codesourcery.com>
9014
9015         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9016
9017 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9018
9019         * doc/sourcebuild.texi: Document dg-require-effective-target
9020         llvm_binutils and offload_gcn.
9021
9022 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9023             Kwok Cheung Yeung  <kcy@codesourcery.com>
9024             Julian Brown  <julian@codesourcery.com>
9025             Tom de Vries  <tom@codesourcery.com>
9026
9027         * doc/sourcebuild.texi: Document dg-required-effective-target
9028         exceptions.
9029
9030 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9031             Kwok Cheung Yeung  <kcy@codesourcery.com>
9032             Julian Brown  <julian@codesourcery.com>
9033             Tom de Vries  <tom@codesourcery.com>
9034             Jan Hubicka  <hubicka@ucw.cz>
9035             Martin Jambor  <mjambor@suse.cz>
9036
9037         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9038         * configure.ac: Check for dlopen.
9039         * configure: Regenerate.
9040
9041 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9042             Kwok Cheung Yeung  <kcy@codesourcery.com>
9043             Julian Brown  <julian@codesourcery.com>
9044             Tom de Vries  <tom@codesourcery.com>
9045             Jan Hubicka  <hubicka@ucw.cz>
9046             Martin Jambor  <mjambor@suse.cz>
9047
9048         * common/config/gcn/gcn-common.c: New file.
9049         * config/gcn/driver-gcn.c: New file.
9050         * config/gcn/gcn-builtins.def: New file.
9051         * config/gcn/gcn-hsa.h: New file.
9052         * config/gcn/gcn-modes.def: New file.
9053         * config/gcn/gcn-opts.h: New file.
9054         * config/gcn/gcn-passes.def: New file.
9055         * config/gcn/gcn-protos.h: New file.
9056         * config/gcn/gcn-run.c: New file.
9057         * config/gcn/gcn-tree.c: New file.
9058         * config/gcn/gcn.c: New file.
9059         * config/gcn/gcn.h: New file.
9060         * config/gcn/gcn.opt: New file.
9061         * config/gcn/t-gcn-hsa: New file.
9062
9063 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9064             Kwok Cheung Yeung  <kcy@codesourcery.com>
9065             Julian Brown  <julian@codesourcery.com>
9066             Tom de Vries  <tom@codesourcery.com>
9067             Jan Hubicka  <hubicka@ucw.cz>
9068             Martin Jambor  <mjambor@suse.cz>
9069
9070         * config/gcn/constraints.md: New file.
9071         * config/gcn/gcn-valu.md: New file.
9072         * config/gcn/gcn.md: New file.
9073         * config/gcn/predicates.md: New file.
9074
9075 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9076
9077         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9078         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9079         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9080         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9081
9082 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9083
9084         PR target/88851
9085         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9086         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9087         it and document registers.
9088
9089 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9090
9091         * config/aarch64/aarch64.c (ares_tunings): Define.
9092         * config/aarch64/aarch64-cores.def (ares): Use the above.
9093
9094 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9095
9096         PR target/88794
9097         Revert:
9098         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9099
9100         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9101         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9102         (_mm512_maskz_fixupimm_round_pd): Ditto.
9103         (_mm512_fixupimm_round_ps): Ditto.
9104         (_mm512_maskz_fixupimm_round_ps): Ditto.
9105         (_mm_fixupimm_round_sd): Ditto.
9106         (_mm_maskz_fixupimm_round_sd): Ditto.
9107         (_mm_fixupimm_round_ss): Ditto.
9108         (_mm_maskz_fixupimm_round_ss): Ditto.
9109         (_mm512_fixupimm_pd): Ditto.
9110         (_mm512_maskz_fixupimm_pd): Ditto.
9111         (_mm512_fixupimm_ps): Ditto.
9112         (_mm512_maskz_fixupimm_ps): Ditto.
9113         (_mm_fixupimm_sd): Ditto.
9114         (_mm_maskz_fixupimm_sd): Ditto.
9115         (_mm_fixupimm_ss): Ditto.
9116         (_mm_maskz_fixupimm_ss): Ditto.
9117         (_mm512_mask_fixupimm_round_pd): Update builtin.
9118         (_mm512_mask_fixupimm_round_ps): Ditto.
9119         (_mm_mask_fixupimm_round_sd): Ditto.
9120         (_mm_mask_fixupimm_round_ss): Ditto.
9121         (_mm512_mask_fixupimm_pd): Ditto.
9122         (_mm512_mask_fixupimm_ps): Ditto.
9123         (_mm_mask_fixupimm_sd): Ditto.
9124         (_mm_mask_fixupimm_ss): Ditto.
9125         * config/i386/avx512vlintrin.h:
9126         (_mm256_fixupimm_pd): Update parameters and builtin.
9127         (_mm256_maskz_fixupimm_pd): Ditto.
9128         (_mm256_fixupimm_ps): Ditto.
9129         (_mm256_maskz_fixupimm_ps): Ditto.
9130         (_mm_fixupimm_pd): Ditto.
9131         (_mm_maskz_fixupimm_pd): Ditto.
9132         (_mm_fixupimm_ps): Ditto.
9133         (_mm_maskz_fixupimm_ps): Ditto.
9134         (_mm256_mask_fixupimm_pd): Update builtin.
9135         (_mm256_mask_fixupimm_ps): Ditto.
9136         (_mm_mask_fixupimm_pd): Ditto.
9137         (_mm_mask_fixupimm_ps): Ditto.
9138         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9139         * config/i386/i386-builtin.def: Update builtin definitions.
9140         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9141         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9142         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9143         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9144         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9145         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9146         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9147         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9148         * config/i386/subst.md:
9149         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9150         (round_saeonly_sd_mask_op4): Ditto.
9151         (round_saeonly_expand_operand5): Ditto.
9152         (round_saeonly_expand): Update.
9153
9154 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9155
9156         PR target/88794
9157         Revert:
9158         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9159
9160         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9161         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9162         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9163         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9164         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9165         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9166         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9167
9168 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9169
9170         PR target/88794
9171         Revert:
9172         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9173
9174         PR target/88489
9175         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9176         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9177         instead of UNSPEC_FIXUPIMM.
9178
9179 2019-01-17  Richard Biener  <rguenther@suse.de>
9180
9181         PR lto/86736
9182         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9183         and friends for the LTO part of debug info.
9184
9185 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9186
9187         PR tree-optimization/86214
9188         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9189         if x == y.
9190
9191         PR rtl-optimization/88870
9192         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9193         throw if we can't alter the cfg or delete dead exceptions.
9194         (mark_insn): Don't call find_call_stack_args for such calls.
9195
9196 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9197
9198         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9199         prototypes for vec_st.
9200         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9201         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9202         mainly on signed/unsigned long long and double.
9203
9204 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9205
9206         PR target/88861
9207         * combine.c (delete_noop_moves): Convert to "bool" return,
9208         returning true if any edges are eliminated.
9209         (combine_instructions): Also return true if delete_noop_moves
9210         returns true.
9211
9212 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9213
9214         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9215         correct max nunits for endian swap.
9216         (aarch64_expand_fcmla_builtin): Correct subreg code.
9217         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9218         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9219         lane endianness.
9220
9221 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9222
9223         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9224         Handle split indirect COMPLEX_TYPE arguments.
9225
9226 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9227
9228         PR target/86891
9229         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9230         bit is set by add and compare.
9231         (CC_ADC): New CC_MODE.
9232         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9233         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9234         comparison.  Add detection for CC_ADCmode.
9235         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9236         CC_ADCmode.
9237         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9238         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9239         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9240         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9241         to eliminate the need for zero-extending the operands.
9242         (add<mode>3_compareC_imm): Delete.  Merge into ...
9243         (add<mode>3_compareC): ... this.  Restructure the comparison to
9244         eliminate the need for zero-extending the operands.
9245         (add<mode>3_carryin): Use LTU for the overflow detection.
9246         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9247         Reexpress comparison for overflow.
9248         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9249         (add<mode>3_carryinC): Likewise.
9250         (add<mode>3_carryinV): Use LTU for carry between partials.
9251         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9252         handling of CC_Cmode and add CC_ADCmode.
9253         (aarch64_borrow_operation): Likewise.
9254
9255 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9256
9257         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9258         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9259         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9260         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9261
9262 2019-01-16  Martin Liska  <mliska@suse.cz>
9263
9264         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9265         for GCC driver.
9266         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9267         a new argument.
9268         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9269         (path_prefix_reset): Move up in the source file.
9270         (find_fortran_preinclude_file): Make complex search for the
9271         fortran header files.
9272
9273 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9274
9275         * godump.c (go_output_typedef): When outputting a typedef, refer
9276         to the underlying type by its name and not its structure.
9277
9278 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9279
9280         PR c++/88795
9281         * tree.c (build_function_type): Assert that arg_types is not
9282         error_mark_node.
9283
9284 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9285
9286         PR inline-asm/52813
9287         * doc/extend.texi: Document that listing the stack pointer in the
9288         clobber list of an asm is a deprecated feature.
9289         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9290         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9291         warning instead of an error for clobbers of the stack pointer.
9292         Add a note explaining why.
9293
9294 2019-01-15  Richard Biener  <rguenther@suse.de>
9295
9296         PR debug/88046
9297         * dwarf2out.c (gen_member_die): Do not generate inheritance
9298         DIEs late.
9299
9300 2019-01-15  Richard Biener  <rguenther@suse.de>
9301
9302         PR tree-optimization/88855
9303         * tree-if-conv.c (combine_blocks): Collect
9304         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9305
9306 2019-01-15  Tom de Vries  <tdevries@suse.de>
9307
9308         PR target/80547
9309         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9310         lhs == NULL_TREE for gang-level reduction.
9311
9312 2019-01-15  Richard Biener  <rguenther@suse.de>
9313             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9314
9315         PR ipa/88788
9316         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9317         return true if SSA_NAME is already marked in visited bitmap.
9318         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9319
9320 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9321
9322         PR tree-optimization/88775
9323         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9324         equal == 0 equality pointer comparisons some more if compared in
9325         integral types and either one points to an automatic var and the
9326         other to a global, or we can prove at least one points to the middle
9327         or both point to start or both point to end.
9328
9329 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9330
9331         * Makefile.in: Lower autofdo sampling rate by 10x.
9332         * Makefile.tpl: Dito.
9333
9334 2019-01-14  Tom Honermann  <tom@honermann.net>
9335
9336         * defaults.h: Define CHAR8_TYPE.
9337
9338 2019-01-14  Martin Sebor  <msebor@redhat.com>
9339
9340         PR target/88638
9341         * doc/extend.texi (Darwin Format Checks): Clarify.
9342
9343 2019-01-14  Richard Biener  <rguenther@suse.de>
9344
9345         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9346         whether we are in (simplify ...) or (match ...) context.
9347
9348 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9349
9350         PR rtl-optimization/88796
9351         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9352         * cfgexpand.c (stack_protect_prologue): Initialize
9353         crtl->stack_protect_guard_decl.
9354         * function.c (stack_protect_epilogue): Use it instead of calling
9355         targetm.stack_protect_guard again.
9356         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9357         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9358         crtl->stack_protect_guard_decl.
9359         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9360         on the returned MEM_EXPR.
9361
9362 2019-01-12  Tom de Vries  <tdevries@suse.de>
9363
9364         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9365         vector length using -fopenacc-dim.
9366
9367 2019-01-12  Tom de Vries  <tdevries@suse.de>
9368
9369         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9370         lengths into account.
9371
9372 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9373
9374         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9375         (TARGET_CAN_SPLIT_STACK): Define.
9376         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9377
9378 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9379
9380         * params.def (inline-unit-growth): Set to 40.
9381
9382 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9383
9384         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9385
9386 2019-01-12  Tom de Vries  <tdevries@suse.de>
9387
9388         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9389         region calling vector-partitionable routine, set default_vector_length
9390         to WARP_SIZE.
9391
9392 2019-01-12  Tom de Vries  <tdevries@suse.de>
9393
9394         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9395         variable default_vector_length.
9396
9397 2019-01-12  Tom de Vries  <tdevries@suse.de>
9398
9399         PR middle-end/88703
9400         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9401         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9402         dimensions limits.
9403
9404 2019-01-12  Tom de Vries  <tdevries@suse.de>
9405
9406         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9407         (nvptx_goacc_validate_dims): Add used parameter.
9408         * doc/tm.texi: Regenerate.
9409         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9410         argument to call to targetm.goacc.validate_dims.
9411         (default_goacc_validate_dims): Add used
9412         parameter.
9413         * target.def (validate_dims): Add used parameter in DEFHOOK.
9414         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9415
9416 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9417
9418         PR middle-end/85956
9419         PR lto/88733
9420         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9421         field.
9422         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9423         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9424         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9425         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9426
9427 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9428
9429         PR rtl-optimization/87305
9430         * lra-assigns.c
9431         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9432         for little endian pseudos used as paradoxical subreg.
9433
9434 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9435
9436         PR tree-optimization/88693
9437         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9438         for STRING_CSTs that don't contain any NUL characters in the first
9439         TREE_STRING_LENGTH bytes.
9440
9441 2019-01-11  Alan Modra  <amodra@gmail.com>
9442
9443         PR 88777
9444         PR 88614
9445         * genattrtab.c (min_fn): Don't translate values.
9446         (min_attr_value): Return INT_MAX when the value can't be calculated.
9447         Return minimum among any values that can be calculated.
9448         (max_attr_value): Adjust.
9449
9450 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9451
9452         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9453
9454 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9455
9456         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9457         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9458         (aarch64_return_call_with_max_clobbers): New function.
9459         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9460         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9461         argument.
9462         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9463         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9464         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9465         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9466         * cselib.c (cselib_process_insn): Add argument to
9467         targetm.hard_regno_call_part_clobbered call.
9468         * ira-conflicts.c (ira_build_conflicts): Ditto.
9469         * ira-costs.c (ira_tune_allocno_costs): Ditto.
9470         * lra-constraints.c (inherit_reload_reg): Ditto.
9471         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9472         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9473         argument.  Call targetm.return_call_with_max_clobbers.
9474         Add argument to targetm.hard_regno_call_part_clobbered call.
9475         (calls_have_same_clobbers_p): New function.
9476         (process_bb_lives): Add call_insn and last_call_insn variables.
9477         Pass call_insn to check_pseudos_live_through_calls.
9478         Modify if stmt to check targetm.return_call_with_max_clobbers.
9479         Update setting of flush variable.
9480         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9481         to false.
9482         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9483         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9484         targetm.hard_regno_call_part_clobbered call.
9485         * reginfo.c (choose_hard_reg_mode): Ditto.
9486         * regrename.c (check_new_reg_p): Ditto.
9487         * reload.c (find_equiv_reg): Ditto.
9488         * reload1.c (emit_reload_insns): Ditto.
9489         * sched-deps.c (deps_analyze_insn): Ditto.
9490         * sel-sched.c (init_regs_for_mode): Ditto.
9491         (mark_unavailable_hard_regs): Ditto.
9492         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9493         * target.def (hard_regno_call_part_clobbered): Add insn argument.
9494         (return_call_with_max_clobbers): New target function.
9495         * doc/tm.texi: Regenerate.
9496         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9497         * hooks.c (hook_bool_uint_mode_false): Change to
9498         hook_bool_insn_uint_mode_false.
9499         * hooks.h (hook_bool_uint_mode_false): Ditto.
9500
9501 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9502
9503         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9504         (aarch64_remove_extra_call_preserved_regs): New function.
9505         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9506         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9507         * doc/tm.texi: Regenerate.
9508         * final.c (get_call_reg_set_usage): Call new hook.
9509         * target.def (remove_extra_call_preserved_regs): New hook.
9510         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9511         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9512
9513 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9514
9515         PR bootstrap/88714
9516         * passes.c (finish_optimization_passes): Call print_combine_total_stats
9517         inside of pass_combine_1 dump rather than pass_profile_1.
9518
9519 2019-01-11  Tom de Vries  <tdevries@suse.de>
9520
9521         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9522         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9523         (PTX_NUM_PER_WORKER_BARRIERS): Define.
9524         (nvptx_apply_dim_limits): Prevent vector_length 64 and
9525         num_workers 16.
9526
9527 2019-01-11  Tom de Vries  <tdevries@suse.de>
9528
9529         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9530
9531 2019-01-11  Jan Beulich  <jbeulich@suse.com>
9532
9533         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9534         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9535         sse2_cvtsi2sd): Add {l}.
9536         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9537         syntax.
9538
9539 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9540
9541         PR target/88785
9542         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9543         define_expand.
9544         (*float<floatunssuffix>v2div2sf2): New define_insn.
9545         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9546         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9547         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9548         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9549         match_operands with "const0_operand" "C".
9550
9551 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9552
9553         * config/aarch64/aarch64-builtins.c
9554         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9555         (aarch64_init_simd_builtins): ...Here
9556
9557 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9558
9559         PR rtl-optimization/87305
9560         * lra-assigns.c
9561         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9562         allocation for big endian pseudos used as paradoxical subregs and
9563         spill them if it is wrong.
9564         * lra-constraints.c (lra_constraints): Add a comment.
9565
9566 2019-01-10  Richard Biener  <rguenther@suse.de>
9567
9568         PR tree-optimization/88792
9569         * tree-ssa-pre.c (get_representative_for): Do not return a
9570         value-number here.
9571
9572 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9573
9574         PR middle-end/84877
9575         PR bootstrap/88450
9576         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9577         (assign_parm_setup_block): Do the argument slot realignment here
9578         instead.
9579
9580 2019-01-10  Stefan Agner  <stefan@agner.ch>
9581
9582         PR target/88648
9583         * config/arm/arm.c (arm_option_override_internal): Force
9584         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9585
9586 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9587
9588         PR c/88568
9589         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9590         DECL_EXTERNAL.
9591
9592 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9593
9594         * config/arm/arm-builtins.c
9595         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9596         (MAC_LANE_PAIR_QUALIFIERS): New.
9597         (arm_expand_builtin_args): Use it.
9598         (arm_expand_builtin_1): Likewise.
9599         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9600         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9601         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9602         * config/arm/arm_neon.h:
9603         (vcadd_rot90_f16): New.
9604         (vcaddq_rot90_f16): New.
9605         (vcadd_rot270_f16): New.
9606         (vcaddq_rot270_f16): New.
9607         (vcmla_f16): New.
9608         (vcmlaq_f16): New.
9609         (vcmla_lane_f16): New.
9610         (vcmla_laneq_f16): New.
9611         (vcmlaq_lane_f16): New.
9612         (vcmlaq_laneq_f16): New.
9613         (vcmla_rot90_f16): New.
9614         (vcmlaq_rot90_f16): New.
9615         (vcmla_rot90_lane_f16): New.
9616         (vcmla_rot90_laneq_f16): New.
9617         (vcmlaq_rot90_lane_f16): New.
9618         (vcmlaq_rot90_laneq_f16): New.
9619         (vcmla_rot180_f16): New.
9620         (vcmlaq_rot180_f16): New.
9621         (vcmla_rot180_lane_f16): New.
9622         (vcmla_rot180_laneq_f16): New.
9623         (vcmlaq_rot180_lane_f16): New.
9624         (vcmlaq_rot180_laneq_f16): New.
9625         (vcmla_rot270_f16): New.
9626         (vcmlaq_rot270_f16): New.
9627         (vcmla_rot270_lane_f16): New.
9628         (vcmla_rot270_laneq_f16): New.
9629         (vcmlaq_rot270_lane_f16): New.
9630         (vcmlaq_rot270_laneq_f16): New.
9631         (vcadd_rot90_f32): New.
9632         (vcaddq_rot90_f32): New.
9633         (vcadd_rot270_f32): New.
9634         (vcaddq_rot270_f32): New.
9635         (vcmla_f32): New.
9636         (vcmlaq_f32): New.
9637         (vcmla_lane_f32): New.
9638         (vcmla_laneq_f32): New.
9639         (vcmlaq_lane_f32): New.
9640         (vcmlaq_laneq_f32): New.
9641         (vcmla_rot90_f32): New.
9642         (vcmlaq_rot90_f32): New.
9643         (vcmla_rot90_lane_f32): New.
9644         (vcmla_rot90_laneq_f32): New.
9645         (vcmlaq_rot90_lane_f32): New.
9646         (vcmlaq_rot90_laneq_f32): New.
9647         (vcmla_rot180_f32): New.
9648         (vcmlaq_rot180_f32): New.
9649         (vcmla_rot180_lane_f32): New.
9650         (vcmla_rot180_laneq_f32): New.
9651         (vcmlaq_rot180_lane_f32): New.
9652         (vcmlaq_rot180_laneq_f32): New.
9653         (vcmla_rot270_f32): New.
9654         (vcmlaq_rot270_f32): New.
9655         (vcmla_rot270_lane_f32): New.
9656         (vcmla_rot270_laneq_f32): New.
9657         (vcmlaq_rot270_lane_f32): New.
9658         (vcmlaq_rot270_laneq_f32): New.
9659         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9660         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9661         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9662         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9663         vcmlaq_lane270): New.
9664         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9665         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9666         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9667         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9668         (arm_option_reconfigure_globals): Use them.
9669         * config/arm/iterators.md (VDF, VQ_HSF): New.
9670         (VCADD, VCMLA): New.
9671         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9672         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9673         New.
9674         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9675         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9676
9677 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9678
9679         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9680         Add qualifier_lane_pair_index.
9681         (emit-rtl.h): Include.
9682         (TYPES_QUADOP_LANE_PAIR): New.
9683         (aarch64_simd_expand_args): Use it.
9684         (aarch64_simd_expand_builtin): Likewise.
9685         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9686         New.
9687         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9688         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9689         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9690         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9691         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9692         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9693         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9694         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9695         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9696         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9697         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9698         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9699         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9700         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9701         Add __ARM_FEATURE_COMPLEX.
9702         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9703         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9704         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9705         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9706         fcmlaq_lane270): New.
9707         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9708         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9709         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9710         * config/aarch64/arm_neon.h:
9711         (vcadd_rot90_f16): New.
9712         (vcaddq_rot90_f16): New.
9713         (vcadd_rot270_f16): New.
9714         (vcaddq_rot270_f16): New.
9715         (vcmla_f16): New.
9716         (vcmlaq_f16): New.
9717         (vcmla_lane_f16): New.
9718         (vcmla_laneq_f16): New.
9719         (vcmlaq_lane_f16): New.
9720         (vcmlaq_rot90_lane_f16): New.
9721         (vcmla_rot90_laneq_f16): New.
9722         (vcmla_rot90_lane_f16): New.
9723         (vcmlaq_rot90_f16): New.
9724         (vcmla_rot90_f16): New.
9725         (vcmlaq_laneq_f16): New.
9726         (vcmla_rot180_laneq_f16): New.
9727         (vcmla_rot180_lane_f16): New.
9728         (vcmlaq_rot180_f16): New.
9729         (vcmla_rot180_f16): New.
9730         (vcmlaq_rot90_laneq_f16): New.
9731         (vcmlaq_rot270_laneq_f16): New.
9732         (vcmlaq_rot270_lane_f16): New.
9733         (vcmla_rot270_laneq_f16): New.
9734         (vcmlaq_rot270_f16): New.
9735         (vcmla_rot270_f16): New.
9736         (vcmlaq_rot180_laneq_f16): New.
9737         (vcmlaq_rot180_lane_f16): New.
9738         (vcmla_rot270_lane_f16): New.
9739         (vcadd_rot90_f32): New.
9740         (vcaddq_rot90_f32): New.
9741         (vcaddq_rot90_f64): New.
9742         (vcadd_rot270_f32): New.
9743         (vcaddq_rot270_f32): New.
9744         (vcaddq_rot270_f64): New.
9745         (vcmla_f32): New.
9746         (vcmlaq_f32): New.
9747         (vcmlaq_f64): New.
9748         (vcmla_lane_f32): New.
9749         (vcmla_laneq_f32): New.
9750         (vcmlaq_lane_f32): New.
9751         (vcmlaq_laneq_f32): New.
9752         (vcmla_rot90_f32): New.
9753         (vcmlaq_rot90_f32): New.
9754         (vcmlaq_rot90_f64): New.
9755         (vcmla_rot90_lane_f32): New.
9756         (vcmla_rot90_laneq_f32): New.
9757         (vcmlaq_rot90_lane_f32): New.
9758         (vcmlaq_rot90_laneq_f32): New.
9759         (vcmla_rot180_f32): New.
9760         (vcmlaq_rot180_f32): New.
9761         (vcmlaq_rot180_f64): New.
9762         (vcmla_rot180_lane_f32): New.
9763         (vcmla_rot180_laneq_f32): New.
9764         (vcmlaq_rot180_lane_f32): New.
9765         (vcmlaq_rot180_laneq_f32): New.
9766         (vcmla_rot270_f32): New.
9767         (vcmlaq_rot270_f32): New.
9768         (vcmlaq_rot270_f64): New.
9769         (vcmla_rot270_lane_f32): New.
9770         (vcmla_rot270_laneq_f32): New.
9771         (vcmlaq_rot270_lane_f32): New.
9772         (vcmlaq_rot270_laneq_f32): New.
9773         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9774         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9775         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9776         (FCADD, FCMLA): New.
9777         (rot): New.
9778         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9779
9780 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9781
9782         PR other/16615
9783
9784         * config/pa/pa.c: Change "can not" to "cannot".
9785         * gimple-ssa-evrp-analyze.c: Likewise.
9786         * ipa-icf.c: Likewise.
9787         * ipa-polymorphic-call.c: Likewise.
9788         * ipa-pure-const.c: Likewise.
9789         * lra-constraints.c: Likewise.
9790         * lra-remat.c: Likewise.
9791         * reload1.c: Likewise.
9792         * reorg.c: Likewise.
9793         * tree-ssa-uninit.c: Likewise.
9794
9795 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9796
9797         PR other/16615
9798
9799         * Makefile.in: Mechanically replace "can not" with "cannot".
9800         * alias.c: Likewise.
9801         * builtins.c: Likewise.
9802         * calls.c: Likewise.
9803         * cgraph.c: Likewise.
9804         * cgraph.h: Likewise.
9805         * cgraphclones.c: Likewise.
9806         * cgraphunit.c: Likewise.
9807         * combine-stack-adj.c: Likewise.
9808         * combine.c: Likewise.
9809         * common/config/i386/i386-common.c: Likewise.
9810         * config/aarch64/aarch64.c: Likewise.
9811         * config/alpha/sync.md: Likewise.
9812         * config/arc/arc.c: Likewise.
9813         * config/arc/predicates.md: Likewise.
9814         * config/arm/arm-c.c: Likewise.
9815         * config/arm/arm.c: Likewise.
9816         * config/arm/arm.h: Likewise.
9817         * config/arm/arm.md: Likewise.
9818         * config/arm/cortex-r4f.md: Likewise.
9819         * config/csky/csky.c: Likewise.
9820         * config/csky/csky.h: Likewise.
9821         * config/darwin-f.c: Likewise.
9822         * config/epiphany/epiphany.md: Likewise.
9823         * config/i386/i386.c: Likewise.
9824         * config/i386/sol2.h: Likewise.
9825         * config/m68k/m68k.c: Likewise.
9826         * config/mcore/mcore.h: Likewise.
9827         * config/microblaze/microblaze.md: Likewise.
9828         * config/mips/20kc.md: Likewise.
9829         * config/mips/sb1.md: Likewise.
9830         * config/nds32/nds32.c: Likewise.
9831         * config/nds32/predicates.md: Likewise.
9832         * config/pa/pa.c: Likewise.
9833         * config/rs6000/e300c2c3.md: Likewise.
9834         * config/rs6000/rs6000.c: Likewise.
9835         * config/s390/s390.h: Likewise.
9836         * config/sh/sh.c: Likewise.
9837         * config/sh/sh.md: Likewise.
9838         * config/spu/vmx2spu.h: Likewise.
9839         * cprop.c: Likewise.
9840         * dbxout.c: Likewise.
9841         * df-scan.c: Likewise.
9842         * doc/cfg.texi: Likewise.
9843         * doc/extend.texi: Likewise.
9844         * doc/fragments.texi: Likewise.
9845         * doc/gty.texi: Likewise.
9846         * doc/invoke.texi: Likewise.
9847         * doc/lto.texi: Likewise.
9848         * doc/md.texi: Likewise.
9849         * doc/objc.texi: Likewise.
9850         * doc/rtl.texi: Likewise.
9851         * doc/tm.texi: Likewise.
9852         * dse.c: Likewise.
9853         * emit-rtl.c: Likewise.
9854         * emit-rtl.h: Likewise.
9855         * except.c: Likewise.
9856         * expmed.c: Likewise.
9857         * expr.c: Likewise.
9858         * fold-const.c: Likewise.
9859         * genautomata.c: Likewise.
9860         * gimple-fold.c: Likewise.
9861         * hard-reg-set.h: Likewise.
9862         * ifcvt.c: Likewise.
9863         * ipa-comdats.c: Likewise.
9864         * ipa-cp.c: Likewise.
9865         * ipa-devirt.c: Likewise.
9866         * ipa-fnsummary.c: Likewise.
9867         * ipa-icf.c: Likewise.
9868         * ipa-inline-transform.c: Likewise.
9869         * ipa-inline.c: Likewise.
9870         * ipa-polymorphic-call.c: Likewise.
9871         * ipa-profile.c: Likewise.
9872         * ipa-prop.c: Likewise.
9873         * ipa-pure-const.c: Likewise.
9874         * ipa-reference.c: Likewise.
9875         * ipa-split.c: Likewise.
9876         * ipa-visibility.c: Likewise.
9877         * ipa.c: Likewise.
9878         * ira-build.c: Likewise.
9879         * ira-color.c: Likewise.
9880         * ira-conflicts.c: Likewise.
9881         * ira-costs.c: Likewise.
9882         * ira-int.h: Likewise.
9883         * ira-lives.c: Likewise.
9884         * ira.c: Likewise.
9885         * ira.h: Likewise.
9886         * loop-invariant.c: Likewise.
9887         * loop-unroll.c: Likewise.
9888         * lower-subreg.c: Likewise.
9889         * lra-assigns.c: Likewise.
9890         * lra-constraints.c: Likewise.
9891         * lra-eliminations.c: Likewise.
9892         * lra-lives.c: Likewise.
9893         * lra-remat.c: Likewise.
9894         * lra-spills.c: Likewise.
9895         * lra.c: Likewise.
9896         * lto-cgraph.c: Likewise.
9897         * lto-streamer-out.c: Likewise.
9898         * postreload-gcse.c: Likewise.
9899         * predict.c: Likewise.
9900         * profile-count.h: Likewise.
9901         * profile.c: Likewise.
9902         * recog.c: Likewise.
9903         * ree.c: Likewise.
9904         * reload.c: Likewise.
9905         * reload1.c: Likewise.
9906         * reorg.c: Likewise.
9907         * resource.c: Likewise.
9908         * rtl.def: Likewise.
9909         * rtl.h: Likewise.
9910         * rtlanal.c: Likewise.
9911         * sched-deps.c: Likewise.
9912         * sched-ebb.c: Likewise.
9913         * sched-rgn.c: Likewise.
9914         * sel-sched-ir.c: Likewise.
9915         * sel-sched.c: Likewise.
9916         * shrink-wrap.c: Likewise.
9917         * simplify-rtx.c: Likewise.
9918         * symtab.c: Likewise.
9919         * target.def: Likewise.
9920         * toplev.c: Likewise.
9921         * tree-call-cdce.c: Likewise.
9922         * tree-cfg.c: Likewise.
9923         * tree-complex.c: Likewise.
9924         * tree-core.h: Likewise.
9925         * tree-eh.c: Likewise.
9926         * tree-inline.c: Likewise.
9927         * tree-loop-distribution.c: Likewise.
9928         * tree-nrv.c: Likewise.
9929         * tree-profile.c: Likewise.
9930         * tree-sra.c: Likewise.
9931         * tree-ssa-alias.c: Likewise.
9932         * tree-ssa-dce.c: Likewise.
9933         * tree-ssa-dom.c: Likewise.
9934         * tree-ssa-forwprop.c: Likewise.
9935         * tree-ssa-loop-im.c: Likewise.
9936         * tree-ssa-loop-ivcanon.c: Likewise.
9937         * tree-ssa-loop-ivopts.c: Likewise.
9938         * tree-ssa-loop-niter.c: Likewise.
9939         * tree-ssa-phionlycprop.c: Likewise.
9940         * tree-ssa-phiopt.c: Likewise.
9941         * tree-ssa-propagate.c: Likewise.
9942         * tree-ssa-threadedge.c: Likewise.
9943         * tree-ssa-threadupdate.c: Likewise.
9944         * tree-ssa-uninit.c: Likewise.
9945         * tree-ssanames.c: Likewise.
9946         * tree-streamer-out.c: Likewise.
9947         * tree.c: Likewise.
9948         * tree.h: Likewise.
9949         * vr-values.c: Likewise.
9950
9951 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9952
9953         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9954         (ix86_split_xorsign): Ditto.
9955         * config/i386/i386.c (ix86_expand_xorsign): New function.
9956         (ix86_split_xorsign): Ditto.
9957         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9958         (xorsign<mode>3): New expander.
9959         (xorsign<mode>3_1): New insn_and_split pattern.
9960         * config/i386/sse.md (xorsign<mode>3): New expander.
9961
9962 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9963
9964         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9965         (*tablejump_sp64): Likewise.
9966         (*tablejump<P:mode>): ...this.
9967         (*call_address_sp32): Merge into...
9968         (*call_address_sp64): Likewise.
9969         (*call_address<P:mode>): ...this.
9970         (*call_symbolic_sp32): Merge into...
9971         (*call_symbolic_sp64): Likewise.
9972         (*call_symbolic<P:mode>): ...this.
9973         (call_value): Remove constraint and add predicate.
9974         (*call_value_address_sp32): Merge into...
9975         (*call_value_address_sp64): Likewise.
9976         (*call_value_address<P:mode>): ...this.
9977         (*call_value_symbolic_sp32): Merge into...
9978         (*call_value_symbolic_sp64): Likewise.
9979         (*call_value_symbolic<P:mode>): ...this.
9980         (*sibcall_symbolic_sp32): Merge into...
9981         (*sibcall_symbolic_sp64): Likewise.
9982         (*sibcall_symbolic<P:mode>): ...this.
9983         (sibcall_value): Remove constraint and add predicate.
9984         (*sibcall_value_symbolic_sp32): Merge into...
9985         (*sibcall_value_symbolic_sp64): Likewise.
9986         (*sibcall_value_symbolic<P:mode>): ...this.
9987         (window_save): Minor tweak.
9988         (*branch_sp32): Merge into...
9989         (*branch_sp64): Likewise.
9990         (*branch<P:mode>): ...this.
9991
9992 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9993             James Clarke  <jrtc27@jrtc27.com>
9994
9995         PR target/84010
9996         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9997         consistently in TLS address generation and adjust code to the renaming
9998         of patterns.  Mark calls to __tls_get_addr as const.
9999         * config/sparc/sparc.md (tgd_hi22): Turn into...
10000         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10001         (tgd_lo10): Turn into...
10002         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10003         (tgd_add32): Merge into...
10004         (tgd_add64): Likewise.
10005         (tgd_add<P:mode>): ...this and use Pmode throughout.
10006         (tldm_hi22): Turn into...
10007         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10008         (tldm_lo10): Turn into...
10009         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10010         (tldm_add32): Merge into...
10011         (tldm_add64): Likewise.
10012         (tldm_add<P:mode>): ...this and use Pmode throughout.
10013         (tldm_call32): Merge into...
10014         (tldm_call64): Likewise.
10015         (tldm_call<P:mode>): ...this and use Pmode throughout.
10016         (tldo_hix22): Turn into...
10017         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10018         (tldo_lox10): Turn into...
10019         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10020         (tldo_add32): Merge into...
10021         (tldo_add64): Likewise.
10022         (tldo_add<P:mode>): ...this and use Pmode throughout.
10023         (tie_hi22): Turn into...
10024         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10025         (tie_lo10): Turn into...
10026         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10027         (tie_ld64): Use DImode throughout.
10028         (tie_add32): Merge into...
10029         (tie_add64): Likewise.
10030         (tie_add<P:mode>): ...this and use Pmode throughout.
10031         (tle_hix22_sp32): Merge into...
10032         (tle_hix22_sp64): Likewise.
10033         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10034         (tle_lox22_sp32): Merge into...
10035         (tle_lox22_sp64): Likewise.
10036         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10037         (*tldo_ldub_sp32): Merge into...
10038         (*tldo_ldub_sp64): Likewise.
10039         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10040         (*tldo_ldub1_sp32): Merge into...
10041         (*tldo_ldub1_sp64): Likewise.
10042         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10043         (*tldo_ldub2_sp32): Merge into...
10044         (*tldo_ldub2_sp64): Likewise.
10045         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10046         (*tldo_ldsb1_sp32): Merge into...
10047         (*tldo_ldsb1_sp64): Likewise.
10048         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10049         (*tldo_ldsb2_sp32): Merge into...
10050         (*tldo_ldsb2_sp64): Likewise.
10051         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10052         (*tldo_ldub3_sp64): Use DImode throughout.
10053         (*tldo_ldsb3_sp64): Likewise.
10054         (*tldo_lduh_sp32): Merge into...
10055         (*tldo_lduh_sp64): Likewise.
10056         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10057         (*tldo_lduh1_sp32): Merge into...
10058         (*tldo_lduh1_sp64): Likewise.
10059         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10060         (*tldo_ldsh1_sp32): Merge into...
10061         (*tldo_ldsh1_sp64): Likewise.
10062         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10063         (*tldo_lduh2_sp64): Use DImode throughout.
10064         (*tldo_ldsh2_sp64): Likewise.
10065         (*tldo_lduw_sp32): Merge into...
10066         (*tldo_lduw_sp64): Likewise.
10067         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10068         (*tldo_lduw1_sp64): Use DImode throughout.
10069         (*tldo_ldsw1_sp64): Likewise.
10070         (*tldo_ldx_sp64): Likewise.
10071         (*tldo_stb_sp32): Merge into...
10072         (*tldo_stb_sp64): Likewise.
10073         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10074         (*tldo_sth_sp32): Merge into...
10075         (*tldo_sth_sp64): Likewise.
10076         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10077         (*tldo_stw_sp32): Merge into...
10078         (*tldo_stw_sp64): Likewise.
10079         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10080         (*tldo_stx_sp64): Use DImode throughout.
10081
10082 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10083
10084         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10085         check configure option to set BTI and Return Address Signing.
10086         * configure.ac: Add --enable-standard-branch-protection and
10087         --disable-standard-branch-protection.
10088         * configure: Regenerated.
10089         * doc/install.texi: Document the same.
10090
10091 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10092             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10093
10094         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10095         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10096         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10097         if bti is enabled.
10098         * config/aarch64/aarch64-bti-insert.c: New file.
10099         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10100         pass.
10101         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10102         new bti pass.
10103         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10104         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10105         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10106         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10107
10108 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10109
10110         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10111         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10112         Disable bti for -mbranch-protection=none.
10113         (aarch64_handle_standard_branch_protection): Enable bti for
10114         -mbranch-protection=standard.
10115         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10116         -mbranch-protection.
10117         (aarch64_bti_enabled): Check if bti is enabled.
10118         * config/aarch64/aarch64.opt: Declare target variable.
10119         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10120
10121 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10122
10123         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10124         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10125         (aarch64_expand_epilogue): Likewise.
10126         (aarch64_output_mi_thunk): Likewise
10127         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10128         TAILCALL_ADDR_REGS to x16 and x17.
10129         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10130
10131 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10132
10133         * config/aarch64/aarch64-option-extensions.def: Define
10134         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10135         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10136         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10137         (AARCH64_FL_PREDRES): New.
10138         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10139         AARCH64_FL_PREDRES by default.
10140         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10141
10142 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10143
10144         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10145         ARMv8.5-A.
10146         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10147         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10148         * doc/invoke.texi: Document ARMv8.5-A.
10149
10150 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10151
10152         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10153         (xorsign<mode>3): Likewise.
10154
10155 2019-01-09  Jelinek  <jakub@redhat.com>
10156
10157         PR middle-end/88758
10158         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10159         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10160
10161         PR rtl-optimization/88331
10162         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10163         not currently_expanding_to_rtl.
10164
10165 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10166
10167         * doc/invoke.texi (-Os): Remove trailing spaces.
10168         (-finline-functions): Remove reference to -O2.
10169
10170 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10171
10172         PR rtl-optimization/79593
10173         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10174
10175         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10176         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10177
10178 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10179
10180         PR bootstrap/88721
10181         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10182         to -1 on entry.
10183
10184         PR debug/88723
10185         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10186         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10187
10188 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10189
10190         PR target/88717
10191         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10192         ix86_avx_u128_mode_entry.
10193
10194 2019-01-08  Martin Liska  <mliska@suse.cz>
10195
10196         PR tree-optimization/88753
10197         * tree-switch-conversion.c (switch_conversion::build_one_array):
10198         Come up with local variable constructor.  Convert first to
10199         type of constructor values.
10200
10201 2019-01-08  Richard Biener  <rguenther@suse.de>
10202
10203         PR tree-optimization/86554
10204         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10205         rpo_avail): Move earlier.
10206         (visit_nary_op): When value-numbering to expressions
10207         with different overflow behavior make sure there's an
10208         available expression on the path.
10209
10210 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10211
10212         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10213         aarch64_parse_branch_protection,
10214         struct aarch64_branch_protect_type,
10215         aarch64_handle_no_branch_protection,
10216         aarch64_handle_standard_branch_protection,
10217         aarch64_validate_mbranch_protection,
10218         aarch64_handle_pac_ret_protection,
10219         aarch64_handle_attr_branch_protection,
10220         accepted_branch_protection_string,
10221         aarch64_pac_ret_subtypes,
10222         aarch64_branch_protect_types,
10223         aarch64_handle_pac_ret_leaf): Define.
10224         (aarch64_override_options_after_change_1, aarch64_override_options):
10225         Add check for accepted_branch_protection_string.
10226         (aarch64_option_save): Save accepted_branch_protection_string.
10227         (aarch64_option_restore): Save accepted_branch_protection_string.
10228         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10229         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10230         msign-return-address.
10231         * doc/invoke.texi: Add mbranch-protection.
10232
10233 2019-01-08  Alan Modra  <amodra@gmail.com>
10234
10235         PR target/88614
10236         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10237         Delete "unknownp" parameter.  Adjust callers.  Handle
10238         CONST_INT, PLUS, MINUS, and MULT.
10239         (attr_value_aligned): Renamed from or_attr_value.
10240         (min_attr_value): Return INT_MIN for unhandled rtl case..
10241         (min_fn): ..and translate to INT_MAX here.
10242         (write_length_unit_log): Modify to cope without "unknown".
10243         (write_attr_value): Handle IF_THEN_ELSE.
10244
10245 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10246
10247         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10248         optimization for masked stores.
10249
10250 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10251
10252         PR middle-end/88567
10253         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10254         output vector directly to duplicate_and_interleave instead of
10255         going through a temporary.  Postpone insertion of ctor_seq to
10256         the end of the loop.
10257
10258 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10259
10260         PR target/86891
10261         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10262         unsigned_p.  Handle signed and unsigned overflow correction as
10263         required.
10264         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10265         prototype.
10266         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10267         for operand 2.
10268         (add<mode>3_compareV_imm): Make this callable for expanding.
10269         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10270         aarch64_plus_operand for operand 2.
10271         (subv<GPI:mode>_insn): New insn pattern.
10272         (subv<GPI:mode>_imm): Likewise.
10273         (negv<GPI:mode>3): New expand pattern.
10274         (negv<GPI:mode>_insn): New insn pattern.
10275         (negv<GPI:mode>_cmp_only): Likewise.
10276         (cmpv<GPI:mode>_insn): Likewise.
10277         (subvti4): Use register_operand for operand 1.  Update call to
10278         aarch64_expand_subvti.
10279         (usubvti4): Likewise.
10280         (negvti3): New expand pattern.
10281         (negdi_carryout): New insn pattern.
10282         (negvdi_carryinV): New insn pattern.
10283         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10284         version the named version.
10285         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10286         operands.
10287         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10288         patterns.
10289         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10290         patterns.
10291         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10292         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10293         (sub<mode>3_carryinCV): Delete.
10294         (sub<GPI:mode>3_carryinV): New expand pattern.
10295         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10296
10297 2019-01-07  Richard Biener  <rguenther@suse.de>
10298
10299         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10300         of tree_operand_hash.
10301
10302 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10303
10304         PR tree-optimization/88598
10305         * tree.h (single_nonzero_element): Declare.
10306         * tree.c (single_nonzero_element): New function.
10307         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10308         if I is the only nonzero element of CST.
10309
10310 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10311
10312         PR tree-optimization/88598
10313         * tree.h (initializer_each_zero_or_onep): Declare.
10314         * tree.c (initializer_each_zero_or_onep): New function.
10315         (signed_or_unsigned_type_for): Handle float types too.
10316         (unsigned_type_for, signed_type_for): Update comments accordingly.
10317         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10318         x & { 0 or -1, 0 or -1, ... }.
10319
10320 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10321
10322         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10323         with x86_64-pc-linux-gnu.
10324
10325 2019-01-07  Tom de Vries  <tdevries@suse.de>
10326
10327         PR target/85486
10328         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10329         function.
10330         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10331         routines.
10332
10333 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10334
10335         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10336         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10337         TARGET_AVX512F as condition.
10338
10339         PR debug/88723
10340         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10341         const_not_ok_for_debug_p target hook.
10342         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10343         on UNSPEC and subexpressions thereof if all subexpressions of the
10344         UNSPEC are CONSTANT_P.
10345
10346         PR tree-optimization/88676
10347         * tree-ssa-phiopt.c (two_value_replacement): New function.
10348         (tree_ssa_phiopt_worker): Call it.
10349
10350         PR sanitizer/88619
10351         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10352         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10353
10354         PR c++/85052
10355         * tree-vect-generic.c: Include insn-config.h and recog.h.
10356         (expand_vector_piecewise): Add defaulted ret_type argument,
10357         if non-NULL, use that in preference to type for the result type.
10358         (expand_vector_parallel): Formatting fix.
10359         (do_vec_conversion, do_vec_narrowing_conversion,
10360         expand_vector_conversion): New functions.
10361         (expand_vector_operations_1): Call expand_vector_conversion
10362         for VEC_CONVERT ifn calls.
10363         * internal-fn.def (VEC_CONVERT): New internal function.
10364         * internal-fn.c (expand_VEC_CONVERT): New function.
10365         * fold-const-call.c (fold_const_vec_convert): New function.
10366         (fold_const_call): Use it for CFN_VEC_CONVERT.
10367         * doc/extend.texi (__builtin_convertvector): Document.
10368
10369 2019-01-07  Tom de Vries  <tdevries@suse.de>
10370
10371         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10372         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10373         vector_red_partition, vector_red_sym): New global variables.
10374         (nvptx_option_override): Initialize vector_red_sym.
10375         (nvptx_declare_function_name): Restore red_partition register.
10376         (nvptx_file_end): Emit code to declare the vector reduction variables.
10377         (nvptx_output_red_partition): New function.
10378         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10379         large vector reductions.
10380         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10381         (nvptx_init_builtins): Add VECTOR_ADDR.
10382         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10383         Handle nvptx_expand_shared_addr.
10384         (nvptx_get_shared_red_addr): Add vector argument and handle large
10385         vectors.
10386         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10387         large vectors.
10388         (nvptx_goacc_reduction_init): Likewise.
10389         (nvptx_goacc_reduction_fini): Likewise.
10390         (nvptx_goacc_reduction_teardown): Likewise.
10391         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10392         init,fini,teardown}.
10393         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10394         (nvptx_set_current_function): Init vector_red_partition.
10395         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10396         (nvptx_red_partition): New insn.
10397         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10398
10399 2019-01-07  Tom de Vries  <tdevries@suse.de>
10400
10401         PR target/85381
10402         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10403         empty loops.
10404
10405 2019-01-07  Tom de Vries  <tdevries@suse.de>
10406
10407         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10408         (nvptx_option_override): Init oacc_bcast_partition.
10409         (nvptx_init_oacc_workers): New function.
10410         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10411         (nvptx_needs_shared_bcast): New function.
10412         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10413         to propagate state.
10414         (nvptx_shared_propagate): Initialize vector bcast partition and
10415         synchronization state.
10416         (nvptx_single):  Generalize to enable vectors to use shared-memory
10417         to propagate state.
10418         (nvptx_process_pars): Likewise.
10419         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10420         * config/nvptx/nvptx.h (struct machine_function): Add
10421         bcast_partition and sync_bar members.
10422
10423 2019-01-07  Tom de Vries  <tdevries@suse.de>
10424
10425         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10426         (nvptx_apply_dim_limits): New function.
10427         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10428         PTX_WARP_SIZE.
10429
10430 2019-01-07  Tom de Vries  <tdevries@suse.de>
10431
10432         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10433         as late as possible.
10434
10435 2019-01-07  Tom de Vries  <tdevries@suse.de>
10436
10437         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10438         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10439         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10440         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10441         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10442
10443 2019-01-07  Tom de Vries  <tdevries@suse.de>
10444
10445         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10446
10447 2019-01-07  Tom de Vries  <tdevries@suse.de>
10448
10449         * omp-offload.c (oacc_get_min_dim): New function.
10450         * omp-offload.h (oacc_get_min_dim): Declare.
10451
10452 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10453
10454         PR target/88521
10455         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10456         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10457
10458 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10459
10460         PR tree-opt/86020
10461         Revert:
10462         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
10463
10464         * ipa-inline.c (edge_badness): Use inlined_time instead of
10465         inline_summaries->get.
10466
10467 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10468
10469         * opts.c (enable_fdo_optimizations): Enable
10470         version-loops-for-strides, loop-interchange, unrol-and-jam
10471         and tree-loop-distribution.
10472         * invoke.texi: Document newly enabled options.
10473
10474 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10475
10476         * doc/invoke.texi (max-inline-insns-small): New parameters.
10477         * ipa-inline.c (want_early_inline_function_p): simplify.
10478         (want_inline_small_function_p): Fix pasto from previous patch;
10479         use max-inline-insns-small bound.
10480         * params.def (max-inline-insns-small): New param.
10481         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10482         variables correctly.
10483
10484 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10485
10486         * doc/invoke.texi: Document max-inline-insns-size,
10487         uninlined-function-insns, uninlined-function-time,
10488         uninlined-thunk-insns and uninlined-thunk-time.
10489         * params.def: Add max-inline-insns-size,
10490         uninlined-function-insns, uninlined-function-time,
10491         uninlined-thunk-insns and uninlined-thunk-time.
10492         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10493         new parameters.
10494         * ipa-inline.c (can_inline_edge_by_limits_p,
10495         want_inline_small_function_p): Use new parameters.
10496
10497 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10498
10499         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10500
10501 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
10502
10503         PR middle-end/82564
10504         PR target/88620
10505         * expr.c (expand_assignment): For calls returning VLA structures
10506         if to_rtx is not a MEM, force it into a stack temporary.
10507
10508         PR debug/88635
10509         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10510         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10511         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10512         subexpressions of both operands.
10513         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10514         subrtxes are CONSTANT_P.
10515         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10516         2018-11-09 changes.
10517
10518 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
10519
10520         * params.def (hot-bb-count-ws-permille): Set to 990.
10521
10522 2019-01-04  Martin Sebor  <msebor@redhat.com>
10523
10524         PR c/88546
10525         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10526         leaf.
10527
10528 2019-01-04  Martin Sebor  <msebor@redhat.com>
10529
10530         PR c/88363
10531         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10532
10533 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10534
10535         * gdbinit.in: Turn off pagination for the skip commands, restore
10536         it to previous state afterwards.
10537
10538 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10539
10540         PR target/88594
10541         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10542         of GET_MODE (opN) as modes of the libcall arguments.
10543
10544 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10545
10546         * config/i386/sse.md
10547         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10548         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10549         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10550         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10551         avx512f_vmcmp<mode>3<round_saeonly_name>,
10552         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10553         avx512f_maskcmp<mode>3,
10554         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10555         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10556         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10557         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10558         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10559         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10560         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10561         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10562         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10563         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10564         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10565         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10566         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10567         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10568         avx512cd_maskb_vec_dup<mode>,
10569         avx512cd_maskw_vec_dup<mode>,
10570         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10571         avx512dq_vmfpclass<mode>,
10572         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10573         instead of =Yk.
10574
10575 2019-01-03  Martin Sebor  <msebor@redhat.com>
10576
10577         PR tree-optimization/88659
10578         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10579
10580 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10581
10582         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10583         unaligned vsx and avoid lxvd2x/stxvd2x.
10584         (gen_lvx_v4si_move): New function.
10585
10586 2019-01-03  Tom de Vries  <tdevries@suse.de>
10587
10588         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10589         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10590         function.
10591         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10592
10593 2019-01-03  Tom de Vries  <tdevries@suse.de>
10594
10595         * config/nvptx/nvptx.c (struct offload_attrs): New.
10596         (populate_offload_attrs): New function.  Factor mask extraction out of
10597         nvptx_reorg.  Add extraction of dimensions.
10598         (nvptx_reorg): Use populate_offload_attrs.
10599
10600 2019-01-03  Tom de Vries  <tdevries@suse.de>
10601
10602         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10603         cases for oacc_min_dims_p and routine_p.  Add asserts for
10604         oacc_default_dims_p and offload_region_p.
10605
10606 2019-01-03  Tom de Vries  <tdevries@suse.de>
10607
10608         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10609         factored out of ...
10610         (nvptx_goacc_validate_dims): ... here.
10611
10612 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10613
10614         PR tree-optimization/85574
10615         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10616         structure.
10617         (struct ssa_equip_hash_traits): Declare.
10618         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10619
10620 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10621
10622         PR debug/88644
10623         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10624         change it to qualified_type.
10625
10626 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10627
10628         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10629         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10630
10631 2019-01-02  Martin Sebor  <msebor@redhat.com>
10632             Jeff Law  <law@redhat.com>
10633
10634         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10635         (get_range_strlen_tree): Update appropriately.
10636         (get_range_strlen)
10637         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10638
10639         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10640         rather than set_range_info.
10641         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10642         maybe_set_strlen_range.  Handle potentially boundary crossing
10643         cases more conservatively.
10644         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10645         Call set_strlen_range.
10646         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10647
10648         PR middle-end/88663
10649         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10650         need the flexp argument.
10651         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10652         from calls to get_range_strlen.  Update comments.  Just update
10653         VAL for an unterminated const char array and let the reset of the
10654         code handle it normally.  No longer try to set *flexp.  Adjust
10655         return value.
10656         (get_range_strlen): Update for the new get_range_strlen API.
10657         (get_maxval_strlen): Similarly.
10658         (gimple_fold_builtin_strlen): Handle update meaning of return value
10659         from get_range_strlen.
10660         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10661         get_range_strlen API.
10662
10663 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10664
10665         PR lto/88130
10666         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10667         false at WPA time when body was removed.
10668
10669 2019-01-02  Martin Liska  <mliska@suse.cz>
10670
10671         PR tree-optimization/88650
10672         * predict.c (set_even_probabilities): Calculate probability
10673         remainer only when really used.
10674
10675 2019-01-02  Richard Biener  <rguenther@suse.de>
10676
10677         PR middle-end/88651
10678         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10679         widest_ints when mangling max_stmt_execution results.
10680
10681 2019-01-02  Richard Biener  <rguenther@suse.de>
10682
10683         PR tree-optimization/88621
10684         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10685         bitfields when canoncalizing.
10686
10687 2019-01-02  Richard Biener  <rguenther@suse.de>
10688
10689         PR target/87545
10690         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10691         cost of cheap SSE instruction.
10692
10693 2019-01-02  Richard Biener  <rguenther@suse.de>
10694
10695         PR ipa/85574
10696         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10697         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10698         function.
10699         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10700         set after UIDs before splitting them.
10701
10702 2019-01-01  Martin Sebor  <msebor@redhat.com>
10703             Jeff Law  <law@redhat.com>
10704
10705         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10706         length is optimistic.  If it is, then arrange to compute the
10707         conservative length as well.
10708
10709         * gimple-fold.h (get_range_strlen): Update prototype.
10710         * builtins.c (check_access): Update call to get_range_strlen to use
10711         c_strlen_data pointer.   Change various variable accesses to instead
10712         pull data from the c_strlen_data structure.
10713         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10714         * calls.c (maybe_warn_nonstring_arg): Likewise.
10715         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10716         minimum length if maximum lengh is unknown.
10717         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10718         that used c_strlen, it's no longer needed.  Restructure slightly.
10719         (format_string): Set unlikely range appropriately.
10720         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10721         formatting issues.
10722         (get_range_strlen):  Accept c_strlen_data pointer for external
10723         call sites as well.  Pass through to call to internal get_range_strlen.
10724         Adjust minlen, maxlen and maxbound as needed.
10725         (get_maxval_strlen): Update comments.
10726         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10727         to use c_strlen_data pointer.  Change variable accesses to instead
10728         use c_strlen_data data members.
10729
10730         * gimple-fold.c (get_range_strlen): Update prototype.
10731         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10732         local variables.  Use pdata to return information to caller.
10733         Update calls to get_range_strlen.  Update pdata->maxbound.
10734         (get_range_strlen -- static version): Similarly.
10735         (get_range_strlen -- extern version): Update for internal
10736         get_range_strlen API change.  Convert to external data format.
10737         (get_maxval_strlen): Similarly.
10738
10739 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10740
10741         * coverage.c (get_coverage_counts): Use current_function_decl.
10742         * profile.c (read_thunk_profile): New function.
10743         (branch_prob): Add THUNK parameter.
10744         * tree-profile.c (tree_profiling): Handle thunks.
10745         * value-prof.c (init_node_map): Handle thunks.
10746         * value-prof.h (branch_prob): Upate prototype.
10747         (read_thunk_profile): Declare.
10748
10749 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10750
10751         Update copyright years.
10752
10753         * gcc.c (process_command): Update copyright notice dates.
10754         * gcov-dump.c (print_version): Ditto.
10755         * gcov.c (print_version): Ditto.
10756         * gcov-tool.c (print_version): Ditto.
10757         * gengtype.c (create_file): Ditto.
10758         * doc/cpp.texi: Bump @copying's copyright year.
10759         * doc/cppinternals.texi: Ditto.
10760         * doc/gcc.texi: Ditto.
10761         * doc/gccint.texi: Ditto.
10762         * doc/gcov.texi: Ditto.
10763         * doc/install.texi: Ditto.
10764         * doc/invoke.texi: Ditto.
10765 \f
10766 Copyright (C) 2019 Free Software Foundation, Inc.
10767
10768 Copying and distribution of this file, with or without modification,
10769 are permitted in any medium without royalty provided the copyright
10770 notice and this notice are preserved.