gcc/ChangeLog

   1 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
   2
   3         PR target/88834
   4         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
   5         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
   6         (get_alias_ptr_type_for_ptr_address): Likewise.
   7         (add_iv_candidate_for_use): Add scaled index candidate if useful.
   8         * tree-ssa-address.c (preferred_mem_scale_factor): New.
   9         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
  10         allow_reg_index_p.
  11
  12 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  13
  14         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
  15
  16 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
  17
  18         * common/config/pru/pru-common.c: New file.
  19         * config.gcc: Add PRU target.
  20         * config/pru/alu-zext.md: New file.
  21         * config/pru/constraints.md: New file.
  22         * config/pru/predicates.md: New file.
  23         * config/pru/pru-opts.h: New file.
  24         * config/pru/pru-passes.c: New file.
  25         * config/pru/pru-pragma.c: New file.
  26         * config/pru/pru-protos.h: New file.
  27         * config/pru/pru.c: New file.
  28         * config/pru/pru.h: New file.
  29         * config/pru/pru.md: New file.
  30         * config/pru/pru.opt: New file.
  31         * config/pru/t-pru: New file.
  32         * doc/extend.texi: Document PRU pragmas.
  33         * doc/invoke.texi: Document PRU-specific options.
  34         * doc/md.texi: Document PRU asm constraints.
  35
  36 2019-06-12  Martin Sebor  <msebor@redhat.com>
  37
  38         PR middle-end/90676
  39         * tree-pretty-print.c (dump_mem_ref): New function.  Include
  40         MEM_REF type in output when different size than operand.
  41         (dump_generic_node): Move code to dump_mem_ref and call it.
  42
  43 2019-06-12  Martin Sebor  <msebor@redhat.com>
  44
  45         PR tree-optimization/90662
  46         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
  47         to arrays.
  48
  49 2019-06-12  Tom de Vries  <tdevries@suse.de>
  50
  51         PR tree-optimization/90009
  52         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
  53
  54 2019-06-12  Martin Liska  <mliska@suse.cz>
  55
  56         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
  57         the created map.
  58         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
  59         * mem-stats.h (mem_alloc_description::mem_alloc_description):
  60         Do not sanitize created maps.
  61
  62 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
  63
  64         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
  65         value_range::singleton_p.
  66         * tree-vrp.c (value_range_constant_singleton): Remove.
  67         * tree-vrp.h (value_range_constant_singleton): Remove.
  68         * vr-values.c (vr_values::singleton): Use
  69         value_range::singleton_p.
  70
  71 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  72
  73         PR target/90811
  74         * cfgexpand.c (align_local_variable): Add really_expand argument,
  75         don't SET_DECL_ALIGN if it is false.
  76         (add_stack_var): Add really_expand argument, pass it through to
  77         align_local_variable.
  78         (expand_one_stack_var_1): Pass true as really_expand to
  79         align_local_variable.
  80         (expand_one_ssa_partition): Pass true as really_expand to
  81         add_stack_var.
  82         (expand_one_var): Pass really_expand through to add_stack_var.
  83
  84 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
  85
  86         * config/arm/iterators.md (VABAL): New int iterator.
  87         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
  88         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
  89         values.
  90
  91 2019-06-12  Martin Liska  <mliska@suse.cz>
  92
  93         * value-prof.c (stream_out_histogram_value): Only first value
  94         can't be negative.
  95
  96 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  97
  98         PR c/90760
  99         * symtab.c (symtab_node::set_section): Allow being called on aliases
 100         as long as they aren't analyzed yet.
 101
 102 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 103
 104         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 105         to `mips_set_text_contents_type' to indicate whether a
 106         non-debug insn follows.
 107
 108 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 109
 110         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 111         enabling -mpcrel by default.
 112         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 113         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 114         that the test against -mcpu=future is done first.  Then test if
 115         -mprefixed-addr is on for -mpcrel.
 116         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 117
 118 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 119
 120         PR target/90811
 121         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 122         instead of and.u%d.
 123
 124 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 125
 126         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 127
 128 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 129
 130         PR c++/90449 - add -Winaccessible-base option.
 131         * doc/invoke.texi (Winaccessible-base): Document.
 132
 133 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 134
 135         PR tree-optimization/62041
 136         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 137
 138 2019-06-11  Jason Merrill  <jason@redhat.com>
 139
 140         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 141         * tree.c (get_tree_code_name): Likewise.
 142         * print-tree.c (print_node): Only briefly print a node with an
 143         invalid code.
 144
 145 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 146
 147         PR bootstrap/90819
 148         * trans-mem.c (tm_memopt_compute_available): Add assertion
 149         that blocks is not empty.  Formatting fix.
 150
 151 2019-06-11  Martin Liska  <mliska@suse.cz>
 152
 153         PR c++/87847
 154         * hash-table.h: Extend create_gcc, add one parameter
 155         that is passed into hash_table::hash_table.
 156
 157 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 158
 159         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 160         New prototype.
 161         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 162         Emit clobber also for non-sse operations.
 163         (ix86_split_fp_absneg_operator): New function.
 164         * config/i386/i386.md (SSEMODEF): New mode iterator.
 165         (ssevecmodef): New mode attribute.
 166         (<code>tf2): Use absneg code iterator.
 167         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 168         Add three-operand AVX alternatives.
 169         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 170         Use absneg code iterator and X87MODEF mode iterator.
 171         (absneg fp_reg non-sse splitter): Call absneg code iterator
 172         and X87MODEF mode iterator.
 173         (absneg general_reg non-sse splitter): Use absneg code iterator
 174         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 175         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 176         code iterator.  Add three-operand AVX alternative.
 177         (absneg sse_reg splitter): Use absneg code iterator
 178         and SSEMODEF mode iterator.  Handle AVX operands.
 179         (absneg fp_reg splitter): Use absneg code iterator
 180         and MODEF mode iterator.
 181         (absneg general_reg splitter): Merge splitters using MODEF mode
 182         iterator.  Use absneg code iterator.  Call
 183         ix86_split_fp_absneg_operator.
 184         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 185         Do not enable for non-sse modes before reload.
 186         (CSGNMODE): Remove.
 187         (CSGNVMODE): Ditto.
 188         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 189         ssevecmodef mode attribute instaed of CSGNVMODE.
 190         (copysign<mode>3_const): Ditto.
 191         (copysign<mode>3_var): Ditto.
 192         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 193         Use absneg code iterator.  Simplify code using std::swap.
 194         * config/i386/predicates.md (absneg_operator): Remove.
 195
 196 2019-06-10  Martin Sebor  <msebor@redhat.com>
 197
 198         * gimple-fold.c (get_range_strlen): Update comment that didn't
 199         make it into r267503 or related commits.
 200
 201 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 202
 203         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 204         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 205
 206 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 207
 208         * tree.def (OMP_SCAN): New tree code.
 209         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 210         OMP_CLAUSE_EXCLUSIVE.
 211         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 212         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 213         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 214         OMP_CLAUSE_{IN,EX}CLUSIVE.
 215         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 216         * tree-nested.c (convert_nonlocal_reference_stmt,
 217         convert_local_reference_stmt, convert_gimple_call): Handle
 218         GIMPLE_OMP_SCAN.
 219         * tree-pretty-print.c (dump_omp_clause): Handle
 220         OMP_CLAUSE_{IN,EX}CLUSIVE.
 221         (dump_generic_node): Handle OMP_SCAN.
 222         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 223         * gimple.h (gomp_scan): New type.
 224         (is_a_helper <gomp_scan *>::test,
 225         is_a_helper <const gomp_scan *>::test): New templates.
 226         (gimple_build_omp_scan): Declare.
 227         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 228         gimple_omp_scan_set_clauses): New inline functions.
 229         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 230         * gimple.c (gimple_build_omp_scan): New function.
 231         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 232         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 233         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 234         GIMPLE_OMP_TASKGROUP.
 235         (dump_gimple_omp_scan): New function.
 236         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 237         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 238         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 239         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 240         (is_gimple_stmt): Handle OMP_SCAN.
 241         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 242         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 243         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 244         mentioned in nested #pragma omp scan.  Handle
 245         OMP_CLAUSE_{IN,EX}CLUSIVE.
 246         (gimplify_expr): Handle OMP_SCAN.
 247         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 248         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 249         simd constructs.
 250         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 251         GIMPLE_OMP_SCAN.
 252
 253 2019-06-10  Martin Liska  <mliska@suse.cz>
 254
 255         * ipa-cp.c (ignore_edge_p): New function.
 256         (build_toporder_info): Use it.
 257         * ipa-inline.c (ignore_edge_p): New function.
 258         (inline_small_functions): Use it.
 259         * ipa-pure-const.c (ignore_edge_for_nothrow):
 260         Verify opt_for_fn for caller and callee.
 261         (ignore_edge_for_pure_const): Likewise.
 262         * ipa-reference.c (ignore_edge_p): Extend to check
 263         for opt_for_fn.
 264         * ipa-utils.c (searchc): Refactor.
 265         * ipa-utils.h: Fix coding style.
 266
 267 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 268
 269         * config/arc/arc.c (arc_rtx_costs): Update costs.
 270
 271 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 272
 273         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 274         (arc_split_ior): Likewise.
 275         (arc_check_mov_const): Likewise.
 276         (arc_split_mov_const): Likewise.
 277         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 278         (arc_rtx_costs): Replace check Crr with Cax constraint.
 279         (prepare_move_operands): Cleanup, remove unused code.
 280         (arc_split_ior): New function.
 281         (arc_check_ior_const): Likewise.
 282         (arc_split_mov_const): Likewise.
 283         (arc_check_mov_const): Likewise.
 284         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 285         in define_insn_and_split pattern.
 286         (iorsi3): Likewise.
 287         (mulsi3_v2): Add new matching variant.
 288         (andsi3_i): Cleanup pattern.
 289         (rotrsi3_cnt1): Update pattern.
 290         (rotrsi3_cnt8): New pattern.
 291         (ashlsi2_cnt8): Likewise.
 292         (ashlsi2_cnt16): Likewise.
 293         * config/arc/constraints.md (C0p): Update constraint.
 294         (Crr): Remove it.
 295         (C0x): New pattern.
 296         (Cax): New pattern.
 297
 298 2019-06-10  Martin Liska  <mliska@suse.cz>
 299
 300         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 301         Update coding style.
 302         (sem_item_optimizer::dump_cong_classes):
 303         Print how many items are in a non-singular class.  Improve
 304         coding style.
 305
 306 2019-06-10  Martin Liska  <mliska@suse.cz>
 307
 308         * value-prof.c (dump_histogram_value): Change dump format.
 309         (gimple_mod_subtract_transform): Remove legacy comment.
 310
 311 2019-06-10  Martin Liska  <mliska@suse.cz>
 312
 313         * value-prof.c (dump_histogram_value): Print histogram values
 314         only if present.
 315
 316 2019-06-10  Martin Liska  <mliska@suse.cz>
 317
 318         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 319         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 320         * ipa-profile.c (ipa_profile_generate_summary):
 321         Use get_most_common_single_value.
 322         * tree-profile.c (gimple_init_gcov_profiler):
 323         Instrument with __gcov_one_value_profiler_v2
 324         and __gcov_indirect_call_profiler_v4.
 325         * value-prof.c (dump_histogram_value):
 326         Print all values for HIST_TYPE_SINGLE_VALUE.
 327         (stream_out_histogram_value): Update assert for
 328         N values.
 329         (stream_in_histogram_value): Set number of
 330         counters for HIST_TYPE_SINGLE_VALUE.
 331         (get_most_common_single_value): New.
 332         (gimple_divmod_fixed_value_transform):
 333         Use get_most_common_single_value.
 334         (gimple_ic_transform): Likewise.
 335         (gimple_stringops_transform): Likewise.
 336         (gimple_find_values_to_profile): Set number
 337         of counters for HIST_TYPE_SINGLE_VALUE.
 338         * value-prof.h (get_most_common_single_value):
 339         New.
 340
 341 2019-06-10  Martin Liska  <mliska@suse.cz>
 342
 343         * hash-map.h: Pass default value to hash_table ctor.
 344         * hash-table.h: Add default value to call of a ctor.
 345
 346 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 347
 348         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 349         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 350
 351 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 352
 353         PR target/90751
 354         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 355         Call pa_output_function_label.
 356         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 357         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 358         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 359         to declaration.
 360         (pa_linux_output_function_prologue): Declare.
 361         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 362         (pa_output_function_label): New.
 363         (pa_output_function_prologue): Revise to use pa_output_function_label.
 364         (pa_linux_output_function_prologue): New.
 365         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 366
 367 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 368
 369         * tree-vrp.h (value_range_base::intersect): New.
 370         (value_range::intersect_helper): Move from here...
 371         (value_range_base::intersect_helper): ...to here.
 372         * tree-vrp.c (value_range::intersect_helper): Rename to...
 373         (value_range_base::intersect_helper): ...this, and rewrite to
 374         return a value instead of modifying THIS in place.
 375         Also, move equivalence handling...
 376         (value_range::intersect): ...here, while calling intersect_helper.
 377         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 378         calling intersect.
 379         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 380         Same.
 381         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 382
 383 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 384
 385         * Makefile.in (genprogerr): Add condmd.
 386         (genprog): Remove it here.
 387
 388 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 389
 390         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 391
 392 2019-06-07  Richard Biener  <rguenther@suse.de>
 393
 394         PR debug/90574
 395         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 396         that appear after user labels.
 397
 398 2019-06-07  Martin Liska  <mliska@suse.cz>
 399
 400         * cselib.c (cselib_init): Disable hash table
 401         sanitization.
 402         * hash-set.h: Pass new default argument to m_table.
 403         * hash-table.c: Add global variable with hash table
 404         sanitization limit.
 405         * hash-table.h (Allocator>::hash_table): Add new argument
 406         to ctor.
 407         (hashtab_chk_error): New.
 408         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 409         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 410         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 411
 412 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 413
 414         * common.opt (flto-odr-type-merging): Ignore.
 415         * invoke.texi (-flto-odr-type-merging): Remove.
 416         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 417         (can_be_vtable_hashed_p): Remove.
 418         (hash_odr_vtable): Remove.
 419         (odr_vtable_hasher::hash): Remove.
 420         (types_same_for_odr): Remove.
 421         (types_odr_comparable): Remove.
 422         (odr_vtable_hasher::equal): Remove.
 423         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 424         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 425         (get_odr_type): Do not use vtable hash.
 426         (dump_odr_type): Remove commented out code.
 427         (build_type_inheritance_graph): Do not allocate vtable hash.
 428         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 429         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 430         (odr_type_p): Likewise.
 431         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 432         test.
 433
 434 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 435
 436         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 437         immediately after same_types_for_tbaa_p returns -1 and continue
 438         looking for possible exact match; if matching types are arrays
 439         watch for partial overlaps.
 440         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 441         (indirect_refs_may_alias_p): Do type based disambiguation first;
 442         update comment.
 443
 444 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 445
 446         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 447
 448 2019-06-07  Martin Liska  <mliska@suse.cz>
 449
 450         * doc/invoke.texi: Remove param.
 451         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 452         Remove.
 453         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 454         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 455         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 456         * profile.c (instrument_values): Remove
 457         HIST_TYPE_INDIR_CALL_TOPN.
 458         * tree-profile.c (init_ic_make_global_vars):
 459         Always build __gcov_indirect_call only.
 460         (gimple_init_gcov_profiler): Remove usage
 461         of PARAM_INDIR_CALL_TOPN_PROFILE.
 462         (gimple_gen_ic_profiler): Likewise.
 463         * value-prof.c (dump_histogram_value): Likewise.
 464         (stream_in_histogram_value): Likewise.
 465         (gimple_indirect_call_to_profile): Likewise.
 466         (gimple_find_values_to_profile): Likewise.
 467         * value-prof.h (enum hist_type): Likewise.
 468
 469 2019-06-07  Martin Liska  <mliska@suse.cz>
 470
 471         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 472         function.
 473
 474 2019-06-07  Martin Liska  <mliska@suse.cz>
 475
 476         PR tree-optimization/78902
 477         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 478         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 479         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 480         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 481         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 482         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 483         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 484         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 485         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 486         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 487         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 488         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 489         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 490         New.
 491         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 492         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 493         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 494         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 495         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 496         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 497         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 498         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 499         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 500         warn_unused_result attribute.
 501         (BUILT_IN_STRDUP): Likewise.
 502         (BUILT_IN_STRNDUP): Likewise.
 503         (BUILT_IN_ALLOCA): Likewise.
 504         (BUILT_IN_CALLOC): Likewise.
 505         (BUILT_IN_MALLOC): Likewise.
 506         (BUILT_IN_REALLOC): Likewise.
 507
 508 2019-06-06  Jim Wilson  <jimw@sifive.com>
 509
 510         PR target/89955
 511         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 512         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 513         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 514
 515 2019-06-06  Martin Sebor  <msebor@redhat.com>
 516
 517         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 518         (handle_builtin_malloc): Remove trailing spaces.
 519         (handle_builtin_memset): Same.
 520         (handle_builtin_memcmp): Same.
 521         (compute_string_length): Same.
 522         (determine_min_objsize): Same.
 523         (handle_builtin_string_cmp): Same.
 524         (handle_char_store): Same.  Break up excessively long line.
 525
 526 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 527
 528         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 529         check.
 530
 531 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 532
 533         * tree-sra.c (struct access): New field grp_same_access_path.
 534         (dump_access): Dump it.
 535         (build_reconstructed_reference): New function.
 536         (build_ref_for_model): Use it if possible.
 537         (path_comparable_for_same_access): New function.
 538         (same_access_path_p): Likewise.
 539         (sort_and_splice_var_accesses): Set the new flag.
 540         (analyze_access_subtree): Likewise.
 541         (propagate_subaccesses_across_link): Propagate zero value of the new
 542         flag down the access tree.
 543
 544 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 545
 546         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 547         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 548         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 549         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 550         Add gfx906.
 551
 552 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 553
 554         PR tree-optimization/90332
 555         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 556         Handle VALS containing two vectors.
 557         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 558         to...
 559         (@aarch64_combinez<mode>): ... This.
 560         (*aarch64_combinez_be<mode>): Rename to...
 561         (@aarch64_combinez_be<mode>): ... This.
 562         (vec_init<mode><Vhalf>): New define_expand.
 563         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 564
 565 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 566
 567         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 568         library functions only when not optimizing for size.
 569         (ashlsi3): Likewise.
 570         (ashrhi3): Likewise.
 571         (ashrsi3): Likewise.
 572         (lshrhi3): Likewise.
 573         (lshrsi3): Likewise.
 574
 575 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 576
 577         PR rtl-optimization/88751
 578         * ira.c (ira): Use the number of the actually referenced registers
 579         when calculating the threshold.
 580
 581 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 582
 583         * configure: Regenerate.
 584
 585 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 586
 587         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 588         register if it is in memory, so the shift can be emulated with a rotate
 589         instruction.
 590         (ashrhi3): Likewise.
 591         (lshrhi3): Likewise.
 592
 593 2019-06-06  Martin Liska  <mliska@suse.cz>
 594
 595         PR tree-optimization/87954
 596         * match.pd: Simplify mult where both arguments are 0 or 1.
 597
 598 2019-06-06  Richard Biener  <rguenther@suse.de>
 599
 600         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 601         put equivalences on UNDEFINED ranges.
 602         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 603         Make sure to drop defs of stmts added during simplification
 604         to VARYING.
 605
 606 2019-06-06  Richard Biener  <rguenther@suse.de>
 607
 608         * tree-ssa-structalias.c: Include tree-cfg.h.
 609         (make_heapvar): Do not make heap vars artificial.
 610         (find_func_aliases_for_builtin_call): Handle stack allocation
 611         functions.
 612         (find_func_aliases): Delay processing of simple enough returns
 613         in non-IPA mode.
 614         (set_uids_in_ptset): Adjust.
 615         (find_what_var_points_to): Likewise.
 616         (solve_constraints): Do not dump points-to sets here.
 617         (compute_points_to_sets): Post-process return statements,
 618         amending the escaped solution.  Dump points-to sets afterwards.
 619         (ipa_pta_execute): Dump points-to sets.
 620
 621 2019-06-06  Martin Liska  <mliska@suse.cz>
 622
 623         PR web/87933
 624         * doc/install.texi: Fix HTML headers and
 625         titles for 'Installing GCC' pages.
 626
 627 2019-06-06  Martin Liska  <mliska@suse.cz>
 628
 629         * ipa-icf-gimple.h (dump_message_1): Remove.
 630         (dump_message): Likewise.
 631         (return_false_with_message_1): Print also file.
 632         (return_false_with_msg): Likewise.
 633         (return_with_result): Likewise.
 634         (return_with_debug): Likewise.
 635         * ipa-icf.c (sem_function::equals_private): Remove call
 636         to dump_message.
 637
 638 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 639
 640         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 641         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 642         memory operand for it.
 643         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 644
 645 2019-06-05  Martin Sebor  <msebor@redhat.com>
 646
 647         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 648         Adjust quoting and hyphenation.
 649         * convert.c (convert_to_real_1): Same.
 650         * gcc.c (driver_wrong_lang_callback): Same.
 651         (driver::handle_unrecognized_options): Same.
 652         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 653         * opts-common.c (cmdline_handle_error): Same.
 654         (read_cmdline_option): Same.
 655         * opts-global.c (complain_wrong_lang): Same.
 656         (print_ignored_options): Same.
 657         (handle_common_deferred_options): Same.
 658         * pretty-print.h: Same.
 659         * print-rtl.c (debug_bb_n_slim): Same.
 660         * sched-rgn.c (make_pass_sched_fusion): Same.
 661         * tree-cfg.c (verify_gimple_assign_unary): Same.
 662         (verify_gimple_label): Same.
 663         * tree-ssa-operands.c (verify_ssa_operands): Same.
 664         * varasm.c (do_assemble_alias): Same.
 665         (assemble_alias): Same.
 666
 667 2019-06-05  Richard Henderson  <rth@twiddle.net>
 668
 669         * config/alpha/alpha.c (direct_return): Move down after
 670         struct machine_function definition; use saved frame_size;
 671         return bool.
 672         (struct machine_function): Add sa_mask, sa_size, frame_size.
 673         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 674         (alpha_compute_frame_layout): ... new function.
 675         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 676         (alpha_initial_elimination_offset): Use saved sa_size.
 677         (alpha_vms_initial_elimination_offset): Likewise.
 678         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 679         (alpha_expand_prologue): Use saved frame data.  Merge integer
 680         and fp register save loops.
 681         (alpha_expand_epilogue): Likewise.
 682         (alpha_start_function): Use saved frame data.
 683         * config/alpha/alpha-protos.h (direct_return): Update.
 684         (alpha_sa_size): Remove.
 685
 686 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 687
 688         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 689         multiplication by a power-of-two value.
 690         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 691         and turn the modulo operation into a masking operation.
 692
 693 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 694
 695         PR debug/90733
 696         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 697         with VOIDmode inner operands.
 698
 699 2019-06-05  Richard Biener  <rguenther@suse.de>
 700
 701         PR middle-end/90726
 702         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 703         turn an expression graph into a tree.
 704
 705 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 706
 707         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 708         member.
 709         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 710         treat it like explicit monotonic schedule modifier.
 711         (expand_omp_for): Initialize has_lastprivate_conditional.
 712         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 713         schedule modifier.
 714
 715         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 716         references, lookup in in hash map MEM_REF operand instead of the
 717         MEM_REF itself.
 718         (lower_omp_1): When looking for lastprivate conditional assignments,
 719         handle MEM_REFs with REFERENCE_TYPE operands.
 720
 721         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 722         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 723         and references a VLA.  Handle references to non-VLAs if is_simd
 724         all privatization clauses like reductions.
 725         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 726         If omp_is_reference, use always omp simd arrays and set
 727         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 728         fails, emit reference initialization.
 729
 730 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 731
 732         PR target/89803
 733         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 734         _mm_mask_fpclass_sd_mask): New intrinsics.
 735         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 736         * config/i386/i386-builtin.def
 737         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 738         New builtins.
 739         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 740         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 741         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 742         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 743         case QI_FTYPE_V2SF_INT): Ditto.
 744         * config/i386/sse.md
 745         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 746         Extended to insnstructions with mask operands.
 747
 748 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 749
 750         * config/rs6000/constraints.md (define_register_constraint "wp"):
 751         Delete.
 752         (define_register_constraint "wq"): Delete.
 753         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 754         (rs6000_init_hard_regno_mode_ok): Adjust.
 755         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 756         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 757         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 758         (define_mode_attr VSa): Delete.
 759         (define_mode_attr VSisa): New.
 760         (rest of file): Adjust.
 761         * doc/md.texi (Machine Constraints): Adjust.
 762
 763 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 764
 765         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 766         (define_attr "enabled"): Handle those new isa values.
 767
 768 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 769
 770         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 771         (define_mode_attr VSr5): Delete.
 772         (define_mode_attr VStype_sqrt): Delete.
 773         (define_mode_iterator VSX_SPDP): Delete.
 774         (define_mode_attr VS_spdp_res): Delete.
 775         (define_mode_attr VS_spdp_insn): Delete.
 776         (define_mode_attr VS_spdp_type): Delete.
 777         (*vsx_sqrt<mode>2): Adjust.
 778         (vsx_<VS_spdp_insn>): Delete, split to...
 779         (vsx_xscvdpsp): ... this.  New.  And...
 780         (vsx_xvcvspdp): ... this.  New.  And...
 781         (vsx_xvcvdpsp): ... this.  New.
 782
 783 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 784
 785         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 786         and V2DF.
 787         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 788         (rest of file): Adjust.
 789
 790 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 791
 792         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 793         (vsx_extract_<mode>_var): Ditto.
 794
 795 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 796
 797         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 798         with just "wa".
 799
 800 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 801
 802         * config/rs6000/constraints.md (define_register_constraint "ww"):
 803         Delete.
 804         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 805         (rs6000_init_hard_regno_mode_ok): Adjust.
 806         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 807         RS6000_CONSTRAINT_ww.
 808         * config/rs6000/rs6000.md: Adjust.
 809         * config/rs6000/vsx.md: Adjust.
 810         * doc/md.texi (Machine Constraints): Adjust.
 811
 812 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 813
 814         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 815         (define_mode_attr sd): New.
 816         (define_mode_attr s): New.
 817         (define_mode_attr Ftrad): Delete.
 818         (define_mode_attr Fvsx): Delete.
 819         (define_mode_attr Fs): Delete.
 820         (rest of file): Use the new mode attributes.
 821         * config.rs6000/vsx.md: Use the new mode attributes.
 822
 823 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 824
 825         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 826         with just "wa".
 827
 828 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 829
 830         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 831         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 832         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 833
 834 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 835
 836         PR target/78263
 837         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 838         C++ with strict ANSI requirements.
 839
 840 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 841
 842         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 843         computations when step is 1.
 844
 845 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 846
 847         * config/rs6000/constraints.md (define_register_constraint "wf"):
 848         Delete.
 849         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 850         (rs6000_init_hard_regno_mode_ok): Adjust.
 851         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 852         RS6000_CONSTRAINT_wf.
 853         * config/rs6000/rs6000.md: Adjust.
 854         * config/rs6000/vsx.md: Adjust.
 855         * doc/md.texi (Machine Constraints): Adjust.
 856
 857 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 858
 859         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 860         Fix ILP32 value.
 861
 862 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 863
 864         * config/rs6000/constraints.md (define_register_constraint "wd"):
 865         Delete.
 866         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 867         (rs6000_init_hard_regno_mode_ok): Adjust.
 868         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 869         RS6000_CONSTRAINT_wd.
 870         * config/rs6000/rs6000.md: Adjust.
 871         * config/rs6000/vsx.md: Adjust.
 872         * doc/md.texi (Machine Constraints): Adjust.
 873
 874 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 875
 876         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 877         (rest of file): Adjust.
 878
 879 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 880
 881         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 882         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 883         (vsx_splat_<mode>_reg): Adjust.
 884
 885 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 886
 887         * config/rs6000/constraints.md (define_register_constraint "ws"):
 888         Delete.
 889         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 890         (rs6000_init_hard_regno_mode_ok): Adjust.
 891         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 892         RS6000_CONSTRAINT_ws.
 893         * config/rs6000/rs6000.md: Adjust.
 894         * config/rs6000/vsx.md: Adjust.
 895         * doc/md.texi (Machine Constraints): Adjust.
 896
 897 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 898
 899         * config/rs6000/constraints.md (define_register_constraint "wv"):
 900         Delete.
 901         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 902         (rs6000_init_hard_regno_mode_ok): Adjust.
 903         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 904         RS6000_CONSTRAINT_wv.
 905         * config/rs6000/rs6000.md: Adjust.
 906         * config/rs6000/vsx.md: Adjust.
 907         * doc/md.texi (Machine Constraints): Adjust.
 908
 909 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 910
 911         * config/rs6000/constraints.md (define_register_constraint "wi"):
 912         Delete.
 913         (define_register_constraint "wt"): Delete.
 914         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 915         (rs6000_init_hard_regno_mode_ok): Adjust.
 916         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 917         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 918         * config/rs6000/rs6000.md: Adjust.
 919         * config/rs6000/vsx.md: Adjust.
 920         * doc/md.texi (Machine Constraints): Adjust.
 921
 922 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 923
 924         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 925         const.
 926         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 927         default_elf_asm_output_external.
 928
 929 2019-06-04  Martin Liska  <mliska@suse.cz>
 930
 931         * ipa-icf.c (INCLUDE_LIST): Remove.
 932         (sem_item_optimizer::execute): Remove call to init_wpa.
 933         * ipa-icf.h (init_wpa): Remove.
 934
 935 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 936
 937         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 938         conditional on combined for simd.
 939         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 940         member.
 941         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 942         constructs, don't remove lastprivate_conditional_map, but instead set
 943         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 944         to parent construct temporaries.
 945         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 946         like !ctx->lastprivate_conditional_map.
 947         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 948         use up->outer context instead of up.
 949         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 950         gimple_omp_for_combined_p.
 951         (expand_omp_for_static_nochunk): Likewise.
 952         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 953         probably moved over into expand_omp_for_generic rather than being copied
 954         there.
 955
 956 2019-06-04  Martin Liska  <mliska@suse.cz>
 957
 958         * value-prof.c (dump_histogram_value): Fix typo.
 959         (gimple_mod_subtract_transform): Likewise.
 960
 961 2019-06-04  Richard Biener  <rguenther@suse.de>
 962
 963         PR middle-end/90726
 964         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 965         (tree_contains_chrecs): Likewise.
 966         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 967         exponential behaivor from ...
 968         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 969         ... here.
 970         (expression_expensive_p): Avoid exponential behavior and compute
 971         expanded size, rejecting any expansion.
 972         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 973         (idx_contains_abnormal_ssa_name_p): Likewise.
 974         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 975         (contains_abnormal_ssa_name_p): Simplify and use
 976         walk_tree_without_duplicates.
 977
 978 2019-06-04  Richard Biener  <rguenther@suse.de>
 979
 980         PR tree-optimization/90738
 981         Revert
 982         2019-06-03  Richard Biener  <rguenther@suse.de>
 983
 984         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 985         full reference tree and record in ref->ref.
 986         (vn_reference_lookup_3): Pass in original ref to
 987         ao_ref_init_from_vn_reference.
 988         (vn_reference_lookup): Likewise.
 989         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 990         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 991         Handle non-decl bases in the original reference.
 992
 993 2019-06-04  Martin Liska  <mliska@suse.cz>
 994
 995         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 996         number of references.
 997         (sem_item_optimizer::do_congruence_step):
 998         (sem_item_optimizer::worklist_push): Dump how references
 999         a class has.
1000         (sem_item_optimizer::worklist_pop): Use heap.
1001         (sem_item_optimizer::process_cong_reduction): Likewise.
1002         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1003
1004 2019-06-04  Martin Liska  <mliska@suse.cz>
1005
1006         * ipa-icf.h (struct sem_usage_pair_hash): New.
1007         (sem_usage_pair_hash::hash): Likewise.
1008         (sem_usage_pair_hash::equal): Likewise.
1009         (struct sem_usage_hash): Likewise.
1010         * ipa-icf.c (sem_item::sem_item): Initialize
1011         referenced_by_count.
1012         (sem_item::add_reference): Register a reference
1013         in ref_map and not in target->usages.
1014         (sem_item::setup): Remove initialization of
1015         dead vectors.
1016         (sem_item::~sem_item): Remove usage of dead vectors.
1017         (sem_item::dump): Remove dump of references.
1018         (sem_item_optimizer::sem_item_optimizer): Initialize
1019         m_references.
1020         (sem_item_optimizer::read_section): Remove useless
1021         dump.
1022         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1023         (sem_item_optimizer::build_graph): Pass m_references
1024         to ::add_reference.
1025         (sem_item_optimizer::verify_classes): Remove usage of dead
1026         vectors.
1027         (sem_item_optimizer::traverse_congruence_split): Return true
1028         when a class is split.
1029         (sem_item_optimizer::do_congruence_step_for_index): Use
1030         hash_map for look up of (sem_item *, index). That brings
1031         significant speed up.
1032         (sem_item_optimizer::do_congruence_step): Return true
1033         when a split is done.
1034         (congruence_class::is_class_used): Use referenced_by_count.
1035
1036 2019-06-04  Alan Modra  <amodra@gmail.com>
1037
1038         PR target/90689
1039         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1040         error.
1041
1042 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1043
1044         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1045         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1046         (rs6000_secondary_reload_simple_move): Adjust.
1047         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1048         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1049         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1050         comment.
1051         (power6x): Adjust.
1052         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1053         (floatunssi<mode>2_lfiwzx): Adjust.
1054         (fix_trunc<mode>si2_stfiwx): Adjust.
1055         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1056         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1057         (mfpgpr): Mark as deprecated.
1058         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1059         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1060         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1061
1062 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1063
1064         * config/rs6000/constraints.md (define_register_constraint "wg"):
1065         Delete.
1066         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1067         RS6000_CONSTRAINT_wg.
1068         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1069         (rs6000_init_hard_regno_mode_ok): Adjust.
1070         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1071         Delete "wg" alternatives.
1072         * doc/md.texi (Machine Constraints): Adjust.
1073
1074 2019-06-03  Alan Modra  <amodra@gmail.com>
1075
1076         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1077         (get_uncond_jump_length): Assert length less than INT_MAX and
1078         non-negative.
1079
1080 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1081
1082         PR middle-end/64242
1083         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1084         block.
1085         (expand_builtin_nonlocal_goto): Likewise.
1086
1087 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1088
1089         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1090         (aarch64_asm_output_external): Declare.
1091         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1092         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1093         (aarch64_asm_output_alias): New.
1094         (aarch64_asm_output_external): New.
1095         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1096         (ASM_OUTPUT_EXTERNAL): Define.
1097
1098 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1099         * tree-vrp.h (value_range_base::nonzero_p): New.
1100         (value_range_base::set_nonnull): Rename to...
1101         (value_range_base::set_nonzero): ...this.
1102         (value_range_base::set_null): Rename to...
1103         (value_range_base::set_zero): ...this.
1104         (value_range::set_nonnull): Remove.
1105         (value_range::set_null): Remove.
1106         * tree-vrp.c (range_is_null): Remove.
1107         (range_is_nonnull): Remove.
1108         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1109         instead of range_is_*null.
1110         (extract_range_from_unary_expr): Same.
1111         (value_range_base::set_nonnull): Rename to...
1112         (value_range_base::set_nonzero): ...this.
1113         (value_range::set_nonnull): Remove.
1114         (value_range_base::set_null): Rename to...
1115         (value_range_base::set_zero): ...this.
1116         (value_range::set_null): Remove.
1117         (extract_range_from_binary_expr): Rename set_*null uses to
1118         set_*zero.
1119         (extract_range_from_unary_expr): Same.
1120         (union_helper): Same.
1121         * vr-values.c (get_value_range): Use set_*zero instead of
1122         set_*null.
1123         (vr_values::extract_range_from_binary_expr): Same.
1124         (vr_values::extract_range_basic): Same.
1125
1126 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1127
1128         PR driver/90684
1129         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1130
1131 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1132
1133         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1134         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1135         (aarch64_<su>abd<mode>_3): ... This.
1136         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1137
1138 2019-06-03  Richard Biener  <rguenther@suse.de>
1139
1140         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1141         full reference tree and record in ref->ref.
1142         (vn_reference_lookup_3): Pass in original ref to
1143         ao_ref_init_from_vn_reference.
1144         (vn_reference_lookup): Likewise.
1145         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1146         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1147         Handle non-decl bases in the original reference.
1148
1149 2019-06-03  Martin Liska  <mliska@suse.cz>
1150
1151         * doc/generic.texi: Remove Java Trees.
1152
1153 2019-06-03  Martin Liska  <mliska@suse.cz>
1154
1155         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1156         returns 0 when operands are equal.
1157
1158 2019-06-03  Richard Biener  <rguenther@suse.de>
1159
1160         PR tree-optimization/90716
1161         * tree-loop-distribution.c (destroy_loop): Process blocks in
1162         correct order.
1163
1164 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1165
1166         PR target/88837
1167         * vector-builder.h (vector_builder::count_dups): New method.
1168         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1169         Declare prototype.
1170         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1171         (vec_init<mode><Vel>): New pattern.
1172         * config/aarch64/aarch64.c (emit_insr): New function.
1173         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1174         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1175         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1176         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1177
1178 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1179
1180         PR tree-optimization/90681
1181         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1182         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1183         special case for SLP, but fail on non-groupped loads.
1184
1185 2019-06-03  Martin Liska  <mliska@suse.cz>
1186
1187         * cfg.c (debug): Use TDF_DETAILS for debug and
1188         print edge info only once.
1189
1190 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1191
1192         PR fortran/90539
1193         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1194
1195 2019-06-01  Martin Sebor  <msebor@redhat.com>
1196
1197         PR middle-end/90694
1198         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1199
1200 2019-05-31  Jan Hubicka  <jh@suse.cz>
1201
1202         * alias.c: Include ipa-utils.h.
1203         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1204         * ipa-devirt.c (prevailing_odr_type): New.
1205         * ipa-utils.h (previaling_odr_type): Declare.
1206
1207 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1208             Hongtao Liu  <hongtao.liu@intel.com>
1209
1210         PR target/89355
1211         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1212         NOTE_INSN_DELETED_LABEL check.
1213
1214 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1215             Robert Suchanek  <robert.suchanek@mips.com>
1216
1217         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1218         and 3rd operands of the fmadd/fmsub/maddv builtin.
1219
1220 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1221
1222         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1223         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1224         on OMP_SIMD if not nested inside of worksharing loop that also has
1225         lastprivate conditional clause for the same decl.
1226         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1227         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1228         on simd.
1229         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1230         on simd construct.
1231         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1232         on simd construct.
1233         (lower_lastprivate_clauses): Likewise.
1234         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1235         calling lower_rec_input_clauses.
1236         (lower_omp_for): Likewise.
1237         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1238         clause on simd construct.
1239         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1240         OMP_CLAUSE__CONDTEMP_ clause is present.
1241
1242         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1243         ivar and lvar.
1244
1245 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1246
1247         PR c/43673
1248         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1249         TEX_D32, TEX_D64 or TEX_D128.
1250
1251 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1252
1253         * match.pd (~(vec?cst1:cst2)): New transformation.
1254
1255 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1256
1257         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1258         ((size_t)(A /[ex] B) CMP C): New transformation.
1259
1260 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1261
1262         * doc/md.texi: Document define_insn_and_rewrite.
1263         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1264         * gensupport.c (queue_elem): Update comment.
1265         (replace_operands_with_dups): New function.
1266         (gen_rewrite_sequence): Likewise.
1267         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1268         * read-rtl.c (apply_subst_iterator): Likewise.
1269         (add_condition_to_rtx, named_rtx_p): Likewise.
1270         (rtx_reader::read_rtx_operand): Likewise.
1271         * config/aarch64/aarch64-sve.md
1272         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1273         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1274         define_insn_and_rewrite.
1275         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1276         Remove separate define_split.
1277
1278 2019-05-31  Jan Hubicka  <jh@suse.cz>
1279
1280         * tree-ssa-alias.c (type_has_components_p): New function.
1281         (aliasing_component_refs_p): Use it.
1282
1283 2019-05-31  Martin Liska  <mliska@suse.cz>
1284
1285         * gdbhooks.py: Add const_tree to TreePrinter.
1286
1287 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1288
1289         PR debug/86964
1290         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1291         * doc/invoke.texi (Debugging Options): Document new default of
1292         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1293
1294 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1295
1296         PR tree-optimization/90671
1297         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1298         template_block used to be empty on the first call, don't use
1299         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1300         seq with bb_seq and set it with set_bb_seq.
1301
1302 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1303
1304         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1305
1306 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1307             Michael Meissner  <meissner@linux.ibm.com>
1308
1309         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1310         (prefixed_mem_operand): Likewise.
1311         (non_prefixed_mem_operand): Likewise.
1312         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1313         prototype.
1314         * config/rs6000/rs6000.c (print_operand_address): Handle
1315         PC-relative addresses.
1316         (mode_supports_prefixed_address_p): New function.
1317         (rs6000_prefixed_address): New function.
1318         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1319         (SYMBOL_REF_PCREL_P): Likewise.
1320
1321 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1322
1323         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1324         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1325         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1326         is nested inside of parallel region, add _condtemp_ clause to both.
1327         * tree-nested.c (convert_nonlocal_omp_clauses,
1328         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1329         assertion failure.
1330         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1331         member.
1332         * omp-general.c (omp_extract_for_data): Compute it.
1333         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1334         (lower_rec_input_clauses): Likewise.
1335         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1336         clause is already present, just add one further one after it.
1337         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1338         (lower_send_shared_vars): Clear _condtemp_ vars.
1339         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1340         or section or taskgroup.
1341         * omp-expand.c (determine_parallel_type): Disallow combining only if
1342         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1343         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1344         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1345         expand_omp_for_static_chunk, expand_omp_for): Use
1346         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1347         determine if a special set of API routines are needed and if condtemp
1348         needs to be initialized, while always initialize cond_var if
1349         fd->lastprivate_conditional is non-zero.
1350
1351 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1352             Michael Meissner  <meissner@linux.ibm.com>
1353
1354         * config/rs6000/constraints.md (eI): New constraint.
1355         * config/rs6000/predicates.md (cint34_operand): New predicate.
1356         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1357         (SIGNED_34BIT_OFFSET_P): Likewise.
1358         * doc/md.texi (eI): Document constraint.
1359
1360 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1361
1362         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1363
1364 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1365             Michael Meissner  <meissner@linux.ibm.com>
1366
1367         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1368         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1369         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1370         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1371         (OTHER_FUTURE_MASKS): Likewise.
1372         (POWERPC_MASKS): Likewise.
1373         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1374         specified without -mprefixed-addr or -mcpu=future.  Error if
1375         -mprefixed-addr is specified without -mcpu=future.
1376         (rs6000_opt_masks): Add entry for prefixed-addr.
1377         * rs6000.opt (mprefixed-addr): New option.
1378
1379 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1380
1381         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1382         cfun->is_thunk check.
1383
1384 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1385
1386         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1387         to length.
1388
1389 2019-05-30  Martin Liska  <mliska@suse.cz>
1390
1391         * gdbinit.in: Fix 'ptc' command.  Add trt
1392         that prints TREE_TYPE($).
1393
1394 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1395             Alan Modra  <amodra@gmail.com>
1396
1397         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1398         calls here...
1399         (rs6000_indirect_call_template_1): ...and here.
1400         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1401         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1402         rs6000_pltseq_enum.
1403         (rs6000_decl_ok_for_sibcall): New function.
1404         (rs6000_function_ok_for_sibcall): Refactor.
1405         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1406         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1407         when pcrel.  Reorganize.
1408         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1409         * rs6000.h (rs6000_pltseq_enum): New enum.
1410         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1411         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1412         (*pltseq_plt16_ha): Likewise.
1413         (*pltseq_plt16_lo): Likewise.
1414         (*pltseq_mtctr): Likewise.
1415         (*pltseq_plt_pcrel): New insn.
1416         (*call_local_aix): Handle @notoc calls.
1417         (*call_value_local_aix): Likewise.
1418         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1419         (*call_value_nonlocal_aix): Likewise.
1420         (*call_indirect_pcrel): New insn.
1421         (*call_value_indirect_pcrel): Likewise.
1422
1423
1424 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1425
1426         * config/i386/sse.md (*save_multiple<mode>): Rename from
1427         save_multiple<mode>.
1428         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1429         (*restore_multiple_and_return<mode>): Rename from
1430         restore_multiple_and_return<mode>.
1431         (*restore_multiple_leave_return<mode>): Rename from
1432         restore_multiple_leave_return<mode>.
1433
1434 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1435
1436         * config.gcc (rx-*-linux*): New target.
1437         * config/rx/elf.opt: New file.
1438         * config/rx/linux.h: Likewise.
1439         * config/rx/t-linux: Likewise.
1440         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1441         make it zero.
1442         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1443         (ASM_APP_OFF): Likewise.
1444         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1445         moved elsewhere.
1446
1447 2019-05-29  Jan Hubicka  <jh@suse.cz>
1448
1449         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1450         variants are pointer equivalent.
1451
1452 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1453
1454         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1455         * config/aarch64/aarch64-sve2.md: New file.
1456         (<u>avg<mode>3_floor): New pattern.
1457         (<u>avg<mode>3_ceil): Likewise.
1458         (*<sur>h<addsub><mode>): Likewise.
1459         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1460         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1461
1462 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1463
1464         PR bootstrap/90543
1465         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1466         for var_opt_string printing.  In cl_optimization_print_diff, print
1467         (null) instead of invoking undefined behavior if one of the
1468         var_opt_string pointers is NULL and use && instead of first || in the
1469         guarding condition.  For var_target_other options, handle const char *
1470         target variables similarly to const char * optimize node variables.
1471
1472 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1473
1474         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1475         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1476         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1477         Add autib1716 and pacib1716 initialisation.
1478         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1479         for autib1716 and pacib1716.
1480         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1481         aarch64_post_cfi_startproc): Define.
1482         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1483         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1484         aarch64_handle_pac_ret_protection): Set default sign key to A.
1485         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1486         aarch64_expand_prologue): Add check for b-key.
1487         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1488         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1489         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1490         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1491         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1492         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1493         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1494         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1495         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1496         pauth_hint_num_a with pauth_hint_num.
1497         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1498         pauth_hint_num_a with pauth_hint_num.
1499         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1500         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1501         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1502         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1503         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1504         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1505         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1506         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1507         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1508         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1509         UNSPEC_AUTIA1716 respectively.
1510         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1511         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1512         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1513         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1514         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1515
1516 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1517
1518         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1519         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1520         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1521         explicit clause on combined parallel into implicit shared clause.
1522         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1523         and firstprivate if the decl has one too from combined parallel to
1524         the worksharing construct.
1525
1526 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1527             Michael Meissner  <meissner@linux.ibm.com>
1528
1529         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1530
1531 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1532
1533         * rtl.h (LABEL_REF_P): New #define.
1534
1535 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1536
1537         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1538
1539 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1540
1541         * internal-fn.c: Marked mask_load_direct as vectorizable.
1542         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1543         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1544         combined even if masks different with allow_slp_p param.
1545         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1546         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1547         dissolve SLP-only vectorizable groups when SLP has been discarded.
1548         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1549         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1550         masks.
1551         (vect_build_slp_tree_1): Fixed comment typo.
1552         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1553         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1554         loads for SLP only.
1555         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1556         vectorizable.
1557         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1558
1559 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1560
1561         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1562         Remove obsolete use_thunk reference.
1563         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1564         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1565         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1566         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1567         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1568         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1569         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1570         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1571         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1572
1573 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1574
1575         * tree.h (IDENTIFIER_ANON_P): New.
1576         (anon_aggrname_format, anon_aggname_p): Don't declare.
1577         (make_anon_name): Declare.
1578         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1579         (hash_tree): Likewise.
1580         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1581         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1582         (anon_cnt, make_anon_name): New.
1583
1584 2019-05-28  Martin Liska  <mliska@suse.cz>
1585
1586         PR other/90315
1587         * opts-global.c (decode_options): Print help for all
1588         help_option_arguments.
1589         * opts.c (print_help): Add new argument.
1590         (common_handle_option): Remember all values into
1591         help_option_arguments.
1592         * opts.h (print_help): Add new argument.
1593
1594 2019-05-28  Martin Liska  <mliska@suse.cz>
1595
1596         PR ipa/90555
1597         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1598         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1599         (func_checker::compare_bb): Call compare_loops.
1600
1601 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1602
1603         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1604         on sections construct.
1605         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1606         construct.
1607         (lower_omp_sections): Handle lastprivate conditional.
1608         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1609         lastprivate_conditional_map.
1610         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1611
1612         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1613         critical, taskgroup and section regions when looking for a region
1614         with non-NULL lastprivate_conditional_map.
1615
1616 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1617
1618         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1619         (*ix86_gen_sub3): Ditto.
1620         (*ix86_gen_sub3_carry): Ditto.
1621         (*ix86_gen_one_cmpl2): Ditto.
1622         (*ix86_gen_andsp): Ditto.
1623         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1624         (gen_and2_insn): New static function.
1625         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1626         Use gen_add3_insn instead of ix86_gen_add3.
1627         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1628         instead of ix86_gen_add3.
1629         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1630         Use gen_sub3_insn instead of ix86_gen_sub3.
1631         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1632         instead of ix86_gen_add3.
1633         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1634         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1635         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1636         * config/i386/i386-options.c (ix86_option_override_internal):
1637         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1638         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1639
1640 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1641
1642         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1643         and DW_OP_GNU_const_index opcodes.
1644
1645 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1646
1647         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1648
1649 2019-05-27  Richard Biener  <rguenther@suse.de>
1650
1651         PR tree-optimization/90637
1652         * tree-ssa-sink.c (statement_sink_location): Honor the
1653         computed sink location for single-uses.
1654
1655 2019-05-27  Richard Biener  <rguenther@suse.de>
1656
1657         PR middle-end/90610
1658         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1659         a bit-insert.
1660
1661 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1662
1663         * config/i386/i386.md (@sub<mode>3_carry): Rename
1664         from sub<mode>3_carry.
1665         (@leave_<mode>): New expander.
1666         (*leave): Rename from leave.
1667         (*leave_rex64): Rename from leave_rex64.
1668         (@monitorx_<mode>): Rename from monitorx_<mode>.
1669         (@clzero_<mode>): Rename from clzero_<mode>.
1670         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1671         from sse3_monitor_<mode>.
1672         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1673         (*ix86_gen_leave): Ditto.
1674         (*ix86_gen_monitor): Ditto.
1675         (*ix86_gen_monitorx): Ditto.
1676         (*ix86_gen_clzero): Ditto.
1677         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1678         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1679         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1680         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1681         Use gen_sse3_monitor instead of ix86_gen_monitor.
1682         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1683         instead of ix86_gen_monitorx.
1684         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1685         instead of ix86_gen_clzero.
1686         * config/i386/i386-options.c (ix86_option_override_internal):
1687         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1688         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1689
1690 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1691
1692         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1693         Rename from tls_global_dynamic_64_<mode>.
1694         (@tls_local_dynamic_base_64_<mode>): Rename from
1695         tls_local_dynamic_base_64_<mode>.
1696         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1697         Remove indirect function.
1698         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1699         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1700         instead of ix86_gen_tls_global_dynamic_64.
1701         Use gen_tls_local_dynamic_base_64 instead of
1702         ix86_gen_tls_local_dynamic_base_64.
1703         * config/i386/i386-options.c (ix86_option_override_internal):
1704         Do not initialize ix86_gen_tls_global_dynamic_64 and
1705         ix86_gen_tls_local_dynamic_base_64.
1706
1707 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1708
1709         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1710         Rename from pro_epilogue_adjust_stack_<mode>_add.
1711         (@pro_epilogue_adjust_stack_sub_<mode>)
1712         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1713         (@allocate_stack_worker_probe_<mode>):
1714         Rename from allocate_stack_worker_probe_<mode>.
1715         (allocate_stack): Use gen_allocate_stack_worker_probe.
1716         (probe_stack): Use gen_probe_stack_1.
1717         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1718         (@adjust_stack_and_probe_<mode>): Rename from
1719         adjust_stack_and_probe<mode>.
1720         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1721         (stack_protect_set): Use gen_stack_protect_set_1.
1722         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1723         (stack_protect_test): Use gen_stack_protect_test_1.
1724         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1725         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1726         Remove indirect function.
1727         (*ix86_gen_adjust_stack_and_probe): Ditto.
1728         (*ix86_gen_probe_stack_range): Ditto.
1729         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1730         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1731         (ix86_adjust_stack_and_probe_stack_clash): Use
1732         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1733         (ix86_adjust_stack_and_probe): Ditto.
1734         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1735         of ix86_gen_probe_stack_range.
1736         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1737         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1738         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1739         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1740         CODE_FOR_stack_protect_test_{si,di}.
1741         * config/i386/i386-options.c (ix86_option_override_internal):
1742         Do not initialize ix86_gen_allocate_stack_worker,
1743         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1744
1745 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1746
1747         * doc/invoke.texi (Link Options): Many editorial changes around
1748         -flinker-output.
1749
1750 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1751
1752         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1753         pre-Solaris 11 referene and most Studio compiler details.
1754
1755 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1756
1757         PR target/90530
1758         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1759         DImode to SImode in floating-point registers on 64-bit target.
1760         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1761         register_operand in xmpyu patterns.
1762
1763 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1764
1765         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1766         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1767         OMP_CLAUSE__REDUCTEMP_.
1768         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1769         OMP_CLAUSE__CONDTEMP_.
1770         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1771         * tree-pretty-print.c (dump_omp_clause): Likewise.
1772         * tree-nested.c (convert_nonlocal_omp_clauses,
1773         convert_local_omp_clauses): Likewise.
1774         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1775         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1776         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1777         on OMP_FOR.
1778         (gimplify_omp_for): Warn and disable conditional modifier from
1779         lastprivate on loop iterators.
1780         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1781         member.
1782         * omp-general.c (omp_extract_for_data): Initialize it.
1783         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1784         member.
1785         (delete_omp_context): Delete it.
1786         (lower_lastprivate_conditional_clauses): New function.
1787         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1788         handle lastprivate conditional clauses.
1789         (lower_reduction_clauses): Add CLIST argument, emit it into
1790         the critical section if any.
1791         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1792         lower_reduction_clauses callers.
1793         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1794         to lower_lastprivate_clauses.
1795         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1796         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1797         clist into a critical section if not emitted there already by
1798         lower_reduction_clauses.
1799         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1800         callers.
1801         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1802         conditional variables.
1803         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1804         clause is present.
1805         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1806         expand_omp_for_static_chunk): Handle lastprivate conditional.
1807         (expand_omp_for): Handle fd.lastprivate_conditional like
1808         fd.have_reductemp.
1809
1810 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1811
1812         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1813         kernel does not exit cleanly.
1814         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1815
1816 2019-05-24  Jason Merrill  <jason@redhat.com>
1817
1818         Revert:
1819         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1820
1821 2019-05-24  Richard Biener  <rguenther@suse.de>
1822
1823         PR testsuite/90607
1824         * tree-loop-distribution.c (struct partition): Add location
1825         member.
1826         (partition_alloc): Initialize all fields.
1827         (generate_memset_builtin): Use the location recorded in the
1828         partition for the generated call.
1829         (generate_memcpy_builtin): Likewise.
1830         (classify_partition): Record the location of a single store
1831         as location for the partition.
1832
1833 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1834
1835         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1836         for lo-part.
1837
1838 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1839
1840         PR target/90588
1841         * common/config/aarch64/aarch64-common.c
1842         (aarch64_rewrite_selected_cpu): Change local temporary variable
1843         type from unsigned long to uint64_t.
1844         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1845         aarch64_get_extension_string_for_isa_flags): Change declaration to
1846         match new definition by replacing unsigned long with uint64_t.
1847
1848 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1849
1850         PR target/90568
1851         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1852         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1853         Handle stack_protect_test_<mode> codegen similarly to corresponding
1854         sub instruction.
1855
1856 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1857
1858        * config/i386/darwin.h: Reject -mfentry*.
1859        * doc/sourcebuild.texi: Document mfentry target support.
1860
1861 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1862
1863         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1864         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1865         false for PC-relative functions.
1866         (rs6000_output_function_prologue): Change called function name to
1867         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1868         name,1" for PC-relative functions.
1869         (rs6000_elf_declare_function_name): Change called function name to
1870         rs6000_global_entry_point_prologue_needed_p.
1871
1872 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1873
1874         PR target/90552
1875         * config/i386/i386.c (gen_rtx_cost):
1876         Use ix86_tune_cost instead of ix86_cost.
1877
1878 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1879             Michael Meissner  <meissner@linux.ibm.com>
1880             Segher Boessenkool  <segher@kernel.crashing.org>
1881
1882         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1883         OPTION_MASK_PCREL.
1884         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1885         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1886         (rs6000_fndecl_pcrel_p): Likewise.
1887         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1888         error if -mpcrel is requested without -mcpu=future.
1889         (rs6000_opt_masks): Add entry for pcrel.
1890         (rs6000_fndecl_pcrel_p): New function.
1891         (rs6000_pcrel_p): Likewise.
1892         * config/rs6000/rs6000.opt (mpcrel): New option.
1893         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1894
1895 2019-05-23  Jan Hubicka  <jh@suse.cz>
1896             Martin Liska  <mliska@suse.cz>
1897
1898         PR tree-optimization/90576
1899         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1900         poly_int_tree_p.
1901         (aliasing_component_refs_p): Fix three way size compare conditional;
1902         give up earlier in case we can not decide on equivalence.
1903
1904 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1905             Michael Meissner  <meissner@linux.ibm.com>
1906             Segher Boessenkool  <segher@kernel.crashing.org>
1907
1908         * config.gcc: Add future cpu.
1909         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1910         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1911         #define.
1912         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1913         (RS6000_CPU): New instantiation for future cpu.
1914         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1915         PROCESSOR_FUTURE.
1916         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1917         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1918         * config/rs6000/rs6000-tables.opt: Regenerate.
1919         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1920         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1921         (rs6000_machine_from_flags): Handle future cpu.
1922         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1923         PROCESSOR_POWER9 for now.
1924         (rs6000_adjust_cost): Likewise.
1925         (rs6000_issue_rate): Likewise.
1926         (rs6000_register_move_cost): Likewise.
1927         (rs6000_opt_masks): Add entry for future.
1928         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1929         (MASK_FUTURE): New #define.
1930         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1931         * config/rs6000/rs6000.opt (mfuture): New target option.
1932         * doc/invoke.texi (mcpu): Add future cpu.
1933
1934 2019-05-23  Martin Liska  <mliska@suse.cz>
1935
1936         PR c++/90587
1937         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1938         operation points to a temporary (pointed via tree_to_wide_ref)
1939         that is out of scope after the &.
1940
1941 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1942
1943         PR c++/90592
1944         * doc/extend.texi (Function Names): Add missing word.
1945
1946 2019-05-23  Richard Biener  <rguenther@suse.de>
1947
1948         PR tree-optimization/88440
1949         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1950         at -O[2s]+.
1951         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1952         generated call.
1953         (generate_memcpy_builtin): Likewise.
1954         (distribute_loop): Pass in whether to only distribute patterns.
1955         (prepare_perfect_loop_nest): Also allow size optimization.
1956         (pass_loop_distribution::execute): When optimizing a loop
1957         nest for size allow pattern replacement.
1958
1959 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1960
1961         PR target/90568
1962         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1963         of xor.
1964
1965 2019-05-23  Martin Liska  <mliska@suse.cz>
1966
1967         PR sanitizer/90570
1968         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1969         expression similarly to gimplify_decl_expr.
1970
1971 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1972
1973         * cse.c (cse_dump_path): s/dump_file/f.
1974
1975 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1976
1977         PR c++/90462
1978         * diagnostic-format-json.cc: Include "selftest.h".
1979         (json_from_expanded_location): Only add "file" key for non-NULL
1980         file strings.
1981         (json_from_location_range): Don't add "start" and "finish"
1982         children if they are UNKNOWN_LOCATION.
1983         (selftest::test_unknown_location): New selftest.
1984         (selftest::test_bad_endpoints): New selftest.
1985         (selftest::diagnostic_format_json_cc_tests): New function.
1986         * json.cc (json::object::get): New function.
1987         (selftest::test_object_get): New selftest.
1988         (selftest::json_cc_tests): Call it.
1989         * json.h (json::object::get): New decl.
1990         * selftest-run-tests.c (selftest::run_tests): Call
1991         selftest::diagnostic_format_json_cc_tests.
1992         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1993         decl.
1994
1995 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1996             Andrew Stubbs  <amd@codesourcery.com>
1997
1998         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1999         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2000         (kernel): Rename to...
2001         (main_kernel): ... this.
2002         (load_image): Load _init_array and _fini_array kernels.
2003         (run): Add argument for kernel to run.
2004         (main): Run init_array_kernel before main_kernel, and
2005         fini_array_kernel after.
2006         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2007         amdgpu_hsa_kernel attribute on functions.
2008         (gcn_disable_constructors): Delete.
2009         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2010         * config/gcn/crt0.c (size_t): Define.
2011         (_init_array, _fini_array): New.
2012         (__preinit_array_start, __preinit_array_end,
2013         __init_array_start, __init_array_end,
2014         __fini_array_start, __fini_array_end): Declare weak references.
2015
2016 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2017
2018         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2019
2020 2019-05-22  Jason Merrill  <jason@redhat.com>
2021
2022         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2023
2024 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2025
2026         PR target/88483
2027         * config/i386/i386-options.c (ix86_init_machine_status): Set
2028         stack_frame_required to true.
2029         * config/i386/i386.c (ix86_get_frame_size): New function.
2030         (ix86_frame_pointer_required): Replace get_frame_size with
2031         ix86_get_frame_size.
2032         (ix86_compute_frame_layout): Likewise.
2033         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2034         stack_frame_required.
2035         (ix86_finalize_stack_frame_flags): Always call
2036         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2037         ix86_get_frame_size.
2038         * config/i386/i386.h (machine_function): Add stack_frame_required.
2039
2040 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2041
2042         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2043
2044 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2045
2046         * common/config/aarch64/aarch64-common.c
2047         (struct aarch64_option_extension, struct processor_name_to_arch,
2048         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2049         aarch64_contains_opt,
2050         aarch64_get_extension_string_for_isa_flags): Change type of
2051         variables storing flags to uint64_t.
2052         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2053         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2054         * config/aarch64/aarch64.c (struct processor,
2055         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2056         aarch64_validate_march, aarch64_override_options,
2057         aarch64_option_print, aarch64_handle_attr_isa_flags,
2058         aarch64_declare_function_name, aarch64_start_file): Make flag
2059         variables uint64_t.
2060         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2061         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2062         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2063         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2064         * config/aarch64/driver-aarch64.c
2065         (struct aarch64_arch_extension, struct aarch64_core_data,
2066         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2067         flag variables uint64_t.
2068         * doc/invoke.texi: Add documentation for new arguments.
2069
2070 2019-05-22  Richard Biener  <rguenther@suse.de>
2071
2072         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2073         rewrite ...
2074         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2075
2076 2019-05-22  Martin Liska  <mliska@suse.cz>
2077
2078         PR lto/90500
2079         * doc/extend.texi: Document the change.
2080
2081 2019-05-22  Richard Biener  <rguenther@suse.de>
2082
2083         PR tree-optimization/90450
2084         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2085         (mem_ref_hasher::equal): Check it.
2086         (mem_ref_alloc): Initialize it.
2087         (gather_mem_refs_stmt): Set it.
2088
2089 2019-05-22  Richard Biener  <rguenther@suse.de>
2090
2091         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2092         Add ABS_EXPR.
2093         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2094         as ABSU_EXPR.
2095
2096 2019-05-22  Alan Modra  <amodra@gmail.com>
2097
2098         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2099         (ASM_CPU_SPEC): Conditionally add -many.
2100         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2101         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2102         (rs6000_file_start): ..extracted from here, and modified to
2103         test all ISA bits.
2104         (rs6000_output_function_prologue): Emit .machine as necessary.
2105         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2106         power mnemonics.
2107         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2108         added by check_vect_support_and_set_flags.
2109         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2110         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2111
2112 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2113
2114         PR middle-end/90553
2115         * ira-lives.c (process_bb_node_lives): Consider defs
2116         for a call insn to be die before the call, not after.
2117
2118         * function.c (assign_parm_setup_block): Raise alignment of
2119         stacked parameter only for STRICT_ALIGNMENT targets.
2120
2121 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2122
2123         * config/rs6000/constraints.md (define_register_constraint "wz"):
2124         Delete.
2125         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2126         RS6000_CONSTRAINT_wz.
2127         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2128         (rs6000_init_hard_regno_mode_ok): Adjust.
2129         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2130         * doc/md.texi (Machine Constraints): Adjust.
2131
2132 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2133
2134         * config/rs6000/constraints.md (define_register_constraint "wl"):
2135         Delete.
2136         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2137         RS6000_CONSTRAINT_wl.
2138         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2139         (rs6000_init_hard_regno_mode_ok): Adjust.
2140         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2141         * doc/md.texi (Machine Constraints): Adjust.
2142
2143 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2144
2145         * config/rs6000/constraints.md (define_register_constraint "wm"):
2146         Delete.
2147         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2148         RS6000_CONSTRAINT_wm.
2149         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2150         (rs6000_init_hard_regno_mode_ok): Adjust.
2151         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2152         * doc/md.texi (Machine Constraints): Adjust.
2153
2154 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2155
2156         * config/rs6000/constraints.md (define_register_constraint "wk"):
2157         Delete.
2158         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2159         RS6000_CONSTRAINT_wk.
2160         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2161         (rs6000_init_hard_regno_mode_ok): Adjust.
2162         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2163         * doc/md.texi (Machine Constraints): Adjust.
2164
2165 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2166
2167         * config/rs6000/constraints.md (define_register_constraint "wj"):
2168         Delete.
2169         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2170         RS6000_CONSTRAINT_wj.
2171         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2172         (rs6000_init_hard_regno_mode_ok): Adjust.
2173         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2174         (VS_64dm): Delete.
2175         * config/rs6000/vsx.md: Ditto.
2176         * doc/md.texi (Machine Constraints): Adjust.
2177
2178 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2179
2180         * config/rs6000/constraints.md (define_register_constraint "wh"):
2181         Delete.
2182         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2183         RS6000_CONSTRAINT_wh.
2184         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2185         (rs6000_init_hard_regno_mode_ok): Adjust.
2186         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2187         * doc/md.texi (Machine Constraints): Adjust.
2188
2189 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2190
2191         PR target/90547
2192         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2193         Avoid calling gen_lowpart with CONST operand.
2194
2195 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2196
2197         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2198         field template_last_to_copy.
2199         (ssa_create_duplicates): Set it, and use it.  Attempt to
2200         preserve more debug stmts.
2201
2202 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2203
2204         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2205         (signbit<mode>2): New expander
2206
2207 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2208
2209         PR bootstrap/87338
2210         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2211         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2212
2213 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2214
2215         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2216         %ebx and %ecx bafore calling cpuid with leaf 1 or
2217         non-constant leaf argument.
2218
2219 2019-05-21  Alan Modra  <amodra@gmail.com>
2220
2221         PR target/90545
2222         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2223         power9 direct move cost.
2224         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2225         Correct comments and rename functions to suit parameters.
2226
2227 2019-05-21  Richard Biener  <rguenther@suse.de>
2228
2229         PR middle-end/90510
2230         * fold-const.c (fold_read_from_vector): New function.
2231         * fold-const.h (fold_read_from_vector): Declare.
2232         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2233         single-element insert permutations.  Canonicalize selector
2234         further and fix issue with last commit.
2235
2236 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2237
2238         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2239         parameter with default value false to declaration.
2240         (split_edges_for_insertion): New inline function.  Wrapper for
2241         split_critical_edges with for_edge_insertion_p = true.
2242         * tree-cfg.c (split_critical_edges): Don't split non-critical
2243         edges if for_edge_insertion_p is false.  Fix whitespace.
2244         * tree-ssa-pre.c (pass_pre::execute): Call
2245         split_edges_for_insertion instead of split_critical_edges.
2246         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2247         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2248         (pass_data_sink_code): Update function name in the comment.
2249
2250 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2251
2252         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2253         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2254         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2255         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2256         positives.
2257
2258 2019-05-21  Martin Liska  <mliska@suse.cz>
2259
2260         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2261         an extra newline.
2262         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2263         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2264         vec_lvsr.
2265         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2266         Quote a C type.
2267         (rs6000_function_arg): Likewise.
2268         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2269         (rs6000_expand_ternop_builtin): Use interval syntax.
2270         (get_element_number): Likewise.
2271         (altivec_expand_builtin): Likewise.
2272         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2273
2274 Fix test-suite.
2275
2276 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2277
2278         PR c++/59813
2279         PR target/90418
2280         * function.h (struct function): Add calls_eh_return member.
2281         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2282         gimplifying __builtin_eh_return call.
2283         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2284         to cfun.
2285         (expand_call_inline): Or in src_cfun->calls_eh_return into
2286         dst_cfun->calls_eh_return.
2287         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2288         cfun->calls_eh_return.
2289         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2290         * lto-streamer-out.c (output_struct_function_base): Write
2291         calls_eh_return.
2292
2293 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2294
2295         PR rtl-optimization/43147
2296         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2297         IX86_BUILTIN_SHUFPD.
2298
2299 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2300
2301         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2302         (refs_may_alias_p_1): ... here; update stats.
2303         (refs_may_alias_p): Do not update stats here.
2304
2305 2019-05-20  Richard Biener  <rguenther@suse.de>
2306
2307         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2308         doesn't produce pointers.
2309         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2310         the first operand points to.
2311
2312 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2313
2314         * tree-ssa-alias.c (compare_sizes): New function.
2315         (sompare_type_sizes): New function
2316         (aliasing_component_refs_p): Use it.
2317         (indirect_ref_may_alias_decl_p): Likewise.
2318
2319 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2320
2321         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2322
2323 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2324
2325         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2326         (LIBLSAN_EARLY_SPEC): Likewise.
2327         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2328
2329 2019-05-20  Martin Liska  <mliska@suse.cz>
2330
2331         * config/i386/i386.c (ix86_libc_has_fast_function):
2332         Add ATTRIBUTE_UNUSED for the argument.
2333
2334 2019-05-20  Richard Biener  <rguenther@suse.de>
2335
2336         * gimple-match-head.c: Include vec-perm-indices.h.
2337         * generic-match-head.c: Likewise.
2338         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2339         is included.
2340         * fold-const.c (fold_vec_perm): Export.
2341         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2342         (match.pd): ...here.
2343
2344 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2345
2346         * cfgloop.h (struct loop): Add simdlen member.
2347         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2348         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2349         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2350         as new argument to autovectorize_vector_sizes target hook.  If
2351         loop->simdlen, pick up vector size where the vectorization factor
2352         is equal to loop->simd, and if there is none, fall back to the first
2353         successful one.
2354         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2355         caller.
2356         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2357         * omp-general.c (omp_max_vf): Likewise.
2358         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2359         * tree-vect-slp.c (vect_slp_bb): Likewise.
2360         * target.def (autovectorize_vector_sizes): Add ALL argument and
2361         document it.
2362         * doc/tm.texi: Adjust documentation.
2363         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2364         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2365         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2366         bool argument.
2367         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2368         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2369         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2370         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2371         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2372         preferred vector size is not 512-bit or 256-bit, just put those
2373         unpreferred ones last.
2374
2375 2019-05-20  Martin Liska  <mliska@suse.cz>
2376
2377         * targhooks.c (default_libc_has_fast_function): New function.
2378         * targhooks.h (default_libc_has_fast_function): Likewise.
2379
2380 2019-05-20  Martin Liska  <mliska@suse.cz>
2381
2382         PR middle-end/90263
2383         * builtins.c (expand_builtin_memory_copy_args): When having a
2384         target with fast mempcpy implementation do now use memcpy.
2385         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2386         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2387         * doc/tm.texi: Likewise.
2388         * doc/tm.texi.in: Likewise.
2389         * target.def:
2390         * expr.c (emit_block_move_hints): Add 2 new arguments.
2391         * expr.h (emit_block_move_hints): Bail out when libcall
2392         to memcpy would be used.
2393
2394 2019-05-20  Martin Liska  <mliska@suse.cz>
2395
2396         * profile-count.c: Add vertical spacing in order
2397         to separate functions.
2398         * profile-count.h: Likewise.
2399
2400 2019-05-20  Martin Liska  <mliska@suse.cz>
2401
2402         * profile-count.h: Do not use full qualified
2403         names if possible.
2404         * profile-count.c (profile_count::to_frequency): Likewise.
2405
2406 2019-05-20  Martin Liska  <mliska@suse.cz>
2407
2408         * profile-count.h (enum profile_quality): Use capital letters
2409         for enum value names.  Use the adjusted names.
2410         * profile-count.c: Use the adjusted names.
2411
2412 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2413
2414         * config/rs6000/constraints.md (define_register_constraint "wH"):
2415         Delete.
2416         (define_register_constraint "wI"): Delete.
2417         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2418         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2419         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2420         (rs6000_init_hard_regno_mode_ok): Adjust.
2421         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2422         resp. "d", or with "wa" as appropriate, all with "p8v".
2423         * config/rs6000/vsx.md: Ditto.
2424         * doc/md.texi (Machine Constraints): Adjust.
2425
2426 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2427
2428         * config/rs6000/constraints.md (define_register_constraint "wy"):
2429         Delete.
2430         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2431         RS6000_CONSTRAINT_wy.
2432         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2433         (rs6000_init_hard_regno_mode_ok): Adjust.
2434         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2435         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2436         (define_mode_attr Fisa): New.
2437         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2438         * doc/md.texi (Machine Constraints): Adjust.
2439
2440 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2441
2442         * config/rs6000/constraints.md (define_register_constraint "wu"):
2443         Delete.
2444         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2445         RS6000_CONSTRAINT_wu.
2446         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2447         (rs6000_init_hard_regno_mode_ok): Adjust.
2448         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2449         both with "p8v".
2450         (define_mode_attr Fa): Delete.
2451         * config/rs6000/vsx.md: Ditto.
2452         * doc/md.texi (Machine Constraints): Adjust.
2453
2454 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2455
2456         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2457         Delete.
2458         (define_register_constraint "wK"): Delete.
2459         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2460         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2461         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2462         (rs6000_init_hard_regno_mode_ok): Adjust.
2463         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2464         Replace "wK" constraint by "wH" with "p9v".
2465         * config/rs6000/vsx.md: Ditto.
2466         * doc/md.texi (Machine Constraints): Adjust.
2467
2468 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2469
2470         * config/rs6000/constraints.md (define_register_constraint "wb"):
2471         Delete.
2472         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2473         RS6000_CONSTRAINT_wb.
2474         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2475         (rs6000_init_hard_regno_mode_ok): Adjust.
2476         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2477         * config/rs6000/vsx.md: Ditto.
2478         * doc/md.texi (Machine Constraints): Adjust.
2479
2480 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2481
2482         * config/rs6000/constraints.md (define_register_constraint "wo"):
2483         Delete.
2484         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2485         RS6000_CONSTRAINT_wo.
2486         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2487         (rs6000_init_hard_regno_mode_ok): Adjust.
2488         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2489         * config/rs6000/altivec.md: Ditto.
2490         * doc/md.texi (Machine Constraints): Adjust.
2491
2492 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2493
2494         * config/darwin-c.c (darwin_register_objc_includes): Do not
2495         prepend the sysroot when building gnu-runtime header search
2496         paths.
2497
2498 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2499
2500         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2501         instead of direct output of the asm.
2502
2503 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2504
2505         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2506         argument to be type bool (was int before).
2507         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2508         at first use.  Use type bool for some variables.  Fix a theoretical
2509         eh_return bug for svr4.
2510
2511 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2512
2513         * config/rs6000/rs6000.md (isa): New attribute.
2514         (enabled): New attribute.
2515
2516 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2517
2518         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2519         assemble_start_function and assemble_end_function.
2520
2521 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2522
2523         PR middle-end/89433
2524         * omp-general.c (oacc_verify_routine_clauses): Change formal
2525         parameters.  Add checking if already marked with an OpenACC
2526         'routine' directive.  Adjust all users.
2527
2528         PR middle-end/89433
2529         * omp-general.c (oacc_build_routine_dims): Move some of its
2530         processing into...
2531         (oacc_verify_routine_clauses): ... this new function.
2532         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2533
2534 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2535
2536         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2537         formating of picbase labels to match other ports.
2538
2539 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2540
2541         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2542         in the generated code.
2543
2544 2019-05-16  Martin Sebor  <msebor@redhat.com>
2545
2546         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2547         identifiers, keywords, operators, and types in diagnostics.  Correct
2548         quoting, spelling, and sentence capitalization issues.
2549         (expand_builtin_atomic_is_lock_free): Same.
2550         (fold_builtin_next_arg): Same.
2551         * cfgexpand.c (expand_one_var): Same.
2552         (tree_conflicts_with_clobbers_p): Same.
2553         (expand_asm_stmt): Same.
2554         (verify_loop_structure): Same.
2555         * cgraphunit.c (process_function_and_variable_attributes): Same.
2556         * collect-utils.c (collect_execute): Same.
2557         * collect2.c (maybe_run_lto_and_relink): Same.
2558         (is_lto_object_file): Same.
2559         (scan_prog_file): Same.
2560         * convert.c (convert_to_real_1): Same.
2561         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2562         * except.c (verify_eh_tree): Same.
2563         * gcc.c (execute): Same.
2564         (eval_spec_function): Same.
2565         (run_attempt): Same.
2566         (driver::set_up_specs): Same.
2567         (compare_debug_auxbase_opt_spec_function): Same.
2568         * gcov-tool.c (unlink_gcda_file): Same.
2569         (do_merge): Same.
2570         (do_rewrite): Same.
2571         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2572         * gimplify.c (gimplify_asm_expr): Same.
2573         (gimplify_adjust_omp_clauses): Same.
2574         * hsa-gen.c (gen_hsa_addr_insns): Same.
2575         (gen_hsa_insns_for_load): Same.
2576         (gen_hsa_cmp_insn_from_gimple): Same.
2577         (gen_hsa_insns_for_operation_assignment): Same.
2578         (gen_get_level): Same.
2579         (gen_hsa_alloca): Same.
2580         (omp_simple_builtin::generate): Same.
2581         (gen_hsa_atomic_for_builtin): Same.
2582         (gen_hsa_insns_for_call): Same.
2583         * input.c (dump_location_info): Same.
2584         * ipa-devirt.c (compare_virtual_tables): Same.
2585         * ira.c (ira_setup_eliminable_regset): Same.
2586         * lra-assigns.c (lra_assign): Same.
2587         * lra-constraints.c (lra_constraints): Same.
2588         * lto-streamer-in.c (lto_input_mode_table): Same.
2589         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2590         (merge_and_complain): Same.
2591         (compile_offload_image): Same.
2592         (compile_images_for_offload_targets): Same.
2593         (debug_objcopy): Same.
2594         (run_gcc): Same.
2595         (main): Same.
2596         * opts.c (print_specific_help): Same.
2597         (parse_no_sanitize_attribute): Same.
2598         (print_help): Same.
2599         (handle_param): Same.
2600         * plugin.c (add_new_plugin): Same.
2601         (parse_plugin_arg_opt): Same.
2602         (try_init_one_plugin): Same.
2603         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2604         operators, and types in diagnostics.  Correct quoting and spelling
2605         issues.
2606         * read-rtl-function.c (parse_edge_flag_token): Same.
2607         (function_reader::parse_enum_value): Same.
2608         * reg-stack.c (check_asm_stack_operands): Same.
2609         * regcprop.c (validate_value_data): Same.
2610         * sched-rgn.c (make_pass_sched_fusion): Same.
2611         * stmt.c (check_unique_operand_names): Same.
2612         * targhooks.c (default_target_option_pragma_parse): Same.
2613         * tlink.c (recompile_files): Same.
2614         * toplev.c (process_options): Same.
2615         (do_compile): Same.
2616         * trans-mem.c (diagnose_tm_1): Same.
2617         (ipa_tm_scan_irr_block): Same.
2618         (ipa_tm_diagnose_transaction): Same.
2619         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2620         format a tree code name in a diagnostic.
2621         (verify_types_in_gimple_min_lval): Same.
2622         (verify_types_in_gimple_reference): Same.
2623         (verify_gimple_call): Same.
2624         (verify_gimple_assign_unary): Same.
2625         (verify_gimple_assign_binary): Same.
2626         (verify_gimple_assign_ternary): Same.
2627         (verify_gimple_assign_single): Same.
2628         (verify_gimple_switch): Same.
2629         (verify_gimple_label): Same.
2630         (verify_gimple_phi): Same.
2631         (verify_gimple_in_seq): Same.
2632         (verify_eh_throw_stmt_node): Same.
2633         (collect_subblocks): Same.
2634         (gimple_verify_flow_info): Same.
2635         (do_warn_unused_result): Same.
2636         * tree-inline.c (expand_call_inline): Same.
2637         * tree-into-ssa.c (update_ssa): Same.
2638         * tree.c (tree_int_cst_elt_check_failed): Same.
2639         (tree_vec_elt_check_failed): Same.
2640         (omp_clause_operand_check_failed): Same.
2641         (verify_type_variant): Same.
2642         (verify_type): Same.
2643         * value-prof.c (verify_histograms): Same.
2644         * varasm.c (assemble_start_function): Same.
2645
2646 2019-05-16  Martin Sebor  <msebor@redhat.com>
2647
2648         * config/i386/i386-expand.c (get_element_number): Quote keywords
2649         and other internal names in diagnostics.  Adjust other diagnostic
2650         formatting issues noted by -Wformat-diag.
2651         * config/i386/i386-features.c
2652         (ix86_mangle_function_version_assembler_name): Same.
2653         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2654         * config/i386/i386.c (ix86_function_type_abi): Same.
2655         (ix86_function_ms_hook_prologue): Same.
2656         (classify_argument): Same.
2657         (ix86_expand_prologue): Same.
2658         (ix86_md_asm_adjust): Same.
2659         (ix86_memmodel_check): Same.
2660
2661 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2662
2663         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2664         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2665         and fpxx modes.
2666
2667 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2668
2669         PR target/90497
2670         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2671         intrinsics without SSE/SSE2/SSSE3.
2672         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2673         check.
2674         (*mmx_uavgv8qi3): Likewise.
2675
2676 2019-05-17  Richard Biener  <rguenther@suse.de>
2677
2678         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2679         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2680
2681 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2682
2683         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2684         vec_sldw insn pattern.
2685
2686 2019-05-17  Richard Biener  <rguenther@suse.de>
2687
2688         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2689
2690 2019-05-17  Martin Liska  <mliska@suse.cz>
2691
2692         PR driver/90496
2693         * toplev.c (output_stack_usage): With LTO and sanitizer it
2694         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2695         has no file location.
2696
2697 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2698
2699         PR c++/90484
2700         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2701         sz0 is equal to sz1, instead return false in that case.
2702
2703         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2704         has non-constant expression, force sctx.lane and use two
2705         argument IFN_GOMP_SIMD_LANE instead of single argument.
2706         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2707         two argument IFN_GOMP_SIMD_LANE without lhs.
2708         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2709         member.
2710         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2711         Define.
2712         (LOOP_REQUIRES_VERSIONING): Or in
2713         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2714         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2715         simd_if_cond.
2716         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2717         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2718         from simd if clause if needed.
2719
2720 2019-05-16  Richard Biener  <rguenther@suse.de>
2721
2722         * tree-affine.c (expr_to_aff_combination): New function split
2723         out from...
2724         (tree_to_aff_combination): ... here.
2725         (aff_combination_expand): Avoid building a GENERIC tree.
2726
2727 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2728
2729         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2730         assemble_start_function and assemble_end_function calls.
2731         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2732         assemble_start_function and assemble_end_function.
2733         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2734         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2735         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2736         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2737         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2738         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2739         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2740         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2741         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2742         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2743         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2744         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2745         Likewise.
2746         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2747         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2748         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2749         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2750         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2751         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2752         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2753         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2754         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2755         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2756         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2757         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2758         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2759         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2760         Likewise.
2761         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2762         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2763         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2764
2765 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2766
2767         * tree-ssa-alias.c (alias_stats): Add
2768         aliasing_component_refs_p_may_alias and
2769         aliasing_component_refs_p_no_alias.
2770         (dump_alias_stats): Print aliasing_component_refs_p stats.
2771         (aliasing_component_refs_p): Update stats.
2772
2773 2019-05-16  Martin Liska  <mliska@suse.cz>
2774
2775         PR lto/90500
2776         * multiple_target.c (expand_target_clones): Do not allow
2777         target_clones being used with a symbol that is an alias.
2778
2779 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2780
2781         PR tree-optimization/90394
2782         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2783         positives rather than ICE for cases where (code2 == NE_EXPR
2784         && code1 == BIT_AND_EXPR).
2785
2786 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2787
2788         PR fortran/90329
2789         * tree-core.h (struct tree_decl_common): Document
2790         decl_nonshareable_flag for PARM_DECLs.
2791         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2792         * calls.c (expand_call): Don't try tail call if caller
2793         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2794         passed on the stack and callee needs to pass any arguments on the
2795         stack.
2796         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2797         else if instead of series of mutually exclusive ifs.  Handle
2798         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2799         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2800
2801         * lto-streamer.h (LTO_major_version): Bump to 9.
2802
2803 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2804
2805         PR tree-optimization/90106
2806         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2807         new parameter as new internal function call, also move it to new
2808         basic block.
2809         (use_internal_fn): Pass internal function call to
2810         shrink_wrap_one_built_in_call_with_conds.
2811
2812 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2813
2814         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2815         max_vf to 1.
2816         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2817         safelen_int and set loop->dont_vectorize.
2818
2819 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2820
2821         PR target/89021
2822         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2823         SSE/SSE2/SSSE3.
2824         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2825         Likewise.
2826         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2827         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2828         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2829         is defined.
2830
2831 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2832
2833         PR target/89021
2834         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2835         define_insn_and_split to support SSE emulation.
2836         (*vec_extractv2sf_0): Likewise.
2837         (*vec_extractv2sf_1): Likewise.
2838         (*vec_extractv2si_0): Likewise.
2839         (*vec_extractv2si_1): Likewise.
2840         (*vec_extractv2si_zext_mem): Likewise.
2841         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2842         (vec_extractv2sf_1 splitter): Likewise.
2843         (vec_extractv2sfsf): Likewise.
2844         (vec_setv2si): Likewise.
2845         (vec_extractv2si_1 splitter): Likewise.
2846         (vec_extractv2sisi): Likewise.
2847         (vec_setv4hi): Likewise.
2848         (vec_extractv4hihi): Likewise.
2849         (vec_setv8qi): Likewise.
2850         (vec_extractv8qiqi): Likewise.
2851         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2852         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2853         (vec_extractv2sisi): Likewise.
2854         (vec_extractv4hihi): Likewise.
2855         (vec_extractv8qiqi): Likewise.
2856         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2857         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2858         (vec_initv2sisi): Likewise.
2859         (vec_initv4hihi): Likewise.
2860         (vec_initv8qiqi): Likewise.
2861         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2862         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2863         (vec_setv4hi): Likewise.
2864         (vec_setv8qi): Likewise.
2865
2866 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2867
2868         PR target/89021
2869         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2870         TARGET_MMX_WITH_SSE.
2871         (MMXMODE:*mov<mode>_internal): Likewise.
2872         (MMXMODE:movmisalign<mode>): Likewise.
2873
2874 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2875
2876         PR target/89021
2877         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2878         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2879         (sse2_cvtpd2pi): Ditto.
2880         (sse2_cvttpd2pi): Ditto.
2881         (*vec_concatv2sf_sse4_1): Ditto.
2882         (*vec_concatv2sf_sse): Ditto.
2883         (*vec_concatv2si_sse4_1): Ditto.
2884         (*vec_concatv2si): Ditto.
2885         (*vec_concatv4si_0): Ditto.
2886         (*vec_concatv2di_0): Ditto.
2887
2888 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2889
2890         PR target/89021
2891         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2892
2893 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2894
2895         PR target/89021
2896         * config/i386/sse.md (ssse3_palignrdi): Changed to
2897         define_insn_and_split to support SSE emulation.
2898
2899 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2900
2901         PR target/89021
2902         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2903
2904 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2905
2906         PR target/89021
2907         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2908         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2909         SSE emulation.
2910
2911 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2912
2913         PR target/89021
2914         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2915         or TARGET_MMX_WITH_SSE.
2916         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2917
2918 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2919
2920         PR target/89021
2921         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2922
2923 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2924
2925         PR target/89021
2926         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2927         Changed to define_insn_and_split to support SSE emulation.
2928
2929 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2930
2931         PR target/89021
2932         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2933         Changed to define_insn_and_split to support SSE emulation.
2934
2935 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2936
2937         PR target/89021
2938         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2939         (*mmx_<emms>): This.
2940         (mmx_<emms>): New expander.
2941
2942 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2943
2944         PR target/89021
2945         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2946         support.
2947         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2948
2949 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2950
2951         PR target/89021
2952         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2953
2954 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2955
2956         PR target/89021
2957         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2958
2959 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2960
2961         PR target/89021
2962         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2963         TARGET_MMX_WITH_SSE.
2964         (*mmx_uavgv4hi3): Add SSE emulation.
2965
2966 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2967
2968         PR target/89021
2969         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2970         and TARGET_MMX_WITH_SSE.
2971         (*mmx_uavgv8qi3): Add SSE emulation.
2972
2973 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2974
2975         PR target/89021
2976         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2977         maskmovdqu for __MMX_WITH_SSE__.
2978
2979 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2980
2981         PR target/89021
2982         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2983         TARGET_MMX and TARGET_MMX_WITH_SSE.
2984         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2985
2986 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2987
2988         PR target/89021
2989         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2990         define_insn_and_split to support SSE emulation.
2991
2992 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2993
2994         PR target/89021
2995         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2996         and TARGET_MMX_WITH_SSE.
2997         (mmx_<code>v8qi3): Likewise.
2998         (smaxmin:<code>v4hi3): New.
2999         (umaxmin:<code>v8qi3): Likewise.
3000         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3001         (umaxmin:*mmx_<code>v8qi3): Likewise.
3002
3003 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3004
3005         PR target/89021
3006         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3007         TARGET_MMX_WITH_SSE.
3008         (*mmx_pinsrw): Add SSE emulation.
3009
3010 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3011
3012         PR target/89021
3013         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3014
3015 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3016
3017         PR target/89021
3018         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3019         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3020         SSE emulation.
3021
3022 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3023
3024         PR target/89021
3025         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3026         (sse_cvttps2pi): Likewise.
3027
3028 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3029
3030         PR target/89021
3031         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3032         TARGET_MMX_WITH_SSE.
3033         (mmx_pshufw_1): Add SSE emulation.
3034         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3035         TARGET_MMX_WITH_SSE to support SSE emulation.
3036
3037 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3038
3039         PR target/89021
3040         * config/i386/constraints.md (Yw): New constraint.
3041         * config/i386/mmx.md (*vec_dupv2si): Changed to
3042         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3043         support SSE emulation.
3044
3045 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3046
3047         PR target/89021
3048         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3049         TARGET_MMX_WITH_SSE.
3050         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3051         support.
3052         (mmx_gt<mode>3): Likewise.
3053
3054 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3055
3056         PR target/89021
3057         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3058         TARGET_MMX_WITH_SSE.  Add SSE support.
3059
3060 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3061
3062         PR target/89021
3063         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3064         TARGET_MMX_WITH_SSE.
3065         (any_logic:<code><mode>3): New.
3066         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3067         Add SSE support.
3068
3069 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3070
3071         PR target/89021
3072         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3073         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3074         (mmx_<shift_insn><mode>3): Likewise.
3075         (ashr<mode>3): New.
3076         (<shift_insn><mode>3): Likewise.
3077
3078 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3079
3080         PR target/89021
3081         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3082         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3083
3084 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3085
3086         PR target/89021
3087         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3088         TARGET_MMX_WITH_SSE.
3089         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3090         SSE support.
3091
3092 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3093
3094         PR target/89021
3095         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3096         TARGET_MMX_WITH_SSE.
3097         (mulv4hi3): New.
3098         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3099         support.
3100
3101 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3102
3103         PR target/89021
3104         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3105         (plusminus:mmx_<plusminus_insn><mode>3): Check
3106         TARGET_MMX_WITH_SSE.
3107         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3108         (<plusminus_insn><mode>3): New.
3109         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3110         (*mmx_<plusminus_insn><mode>3): Likewise.
3111
3112 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3113
3114         PR target/89021
3115         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3116         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3117         prototype.
3118         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3119         define_insn_and_split to support SSE emulation.
3120         (mmx_punpcklbw): Likewise.
3121         (mmx_punpckhwd): Likewise.
3122         (mmx_punpcklwd): Likewise.
3123         (mmx_punpckhdq): Likewise.
3124         (mmx_punpckldq): Likewise.
3125
3126 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3127             Uros Bizjak  <ubizjak@gmail.com>
3128
3129         PR target/89021
3130         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3131         New function.
3132         (ix86_split_mmx_pack): Likewise.
3133         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3134         New prototype.
3135         (ix86_split_mmx_pack): Likewise.
3136         * config/i386/i386.md (mmx_isa): New.
3137         (enabled): Also check mmx_isa.
3138         * config/i386/mmx.md (any_s_truncate): New code iterator.
3139         (s_trunsuffix): New code attr.
3140         (mmx_packsswb): Removed.
3141         (mmx_packssdw): Likewise.
3142         (mmx_packuswb): Likewise.
3143         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3144         MMX packsswb/packuswb with SSE2.
3145         (mmx_packssdw): Likewise.
3146         * config/i386/predicates.md (register_mmxmem_operand): New.
3147
3148 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3149
3150         PR target/89021
3151         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3152         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3153         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3154         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3155         (ix86_vector_mode_supported_p): Likewise.
3156         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3157
3158 2019-05-15  Martin Liska  <mliska@suse.cz>
3159
3160         PR middle-end/90478
3161         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3162         Check for overflow.
3163
3164 2019-05-15  Richard Biener  <rguenther@suse.de>
3165
3166         * tree-into-ssa.c (pass_build_ssa::execute): Run
3167         update_address_taken before going into SSA.
3168
3169 2019-05-15  Richard Biener  <rguenther@suse.de>
3170
3171         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3172         as __BIT_FIELD_REF with type with -gimple.
3173
3174 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3175
3176         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3177         semantically equivalent branches (left over after prior refactorings).
3178
3179 2019-05-15  Richard Biener  <rguenther@suse.de>
3180
3181         PR tree-optimization/88828
3182         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3183         bogus check.
3184
3185 2019-05-14  Richard Biener  <rguenther@suse.de>
3186
3187         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3188         as __VIEW_CONVERT with -gimple.
3189
3190 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3191
3192         PR target/82920
3193         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3194         Darwin.
3195
3196 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3197
3198         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3199         define_split to become a define_insn_and_split.
3200
3201 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3202
3203         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3204         arguments.
3205         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3206         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3207         (sibcall_epilogue): Adjust.
3208         (epilogue): Adjust.
3209
3210 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3211
3212         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3213         to unsupported ones.
3214         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3215         * config.host: Likewise.
3216         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3217         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3218         __svr4__]: Remove "brand" fallback.
3219         [!KSTAT_DATA_STRING]: Remove.
3220         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3221         to *-*-solaris2*.
3222         (comdat_group): Likewise.
3223         (set_have_as_tls): Likewise.
3224         (gcc_cv_target_dl_iterate_phdr): Likewise.
3225         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3226         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3227         * configure: Regenerate.
3228         * doc/install.texi: Simplify Solaris target triplets.
3229         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3230         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3231         Remove Solaris 10 references.
3232         Remove obsolete Solaris bug reference.
3233         (Specific, sparc-sun-solaris2.10): Remove.
3234
3235 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3236
3237         * config/i386/i386.md (any_div): New code iterator.
3238         (paired_mod): New code attribute.
3239         (sgnprefix): Handle DIV and UDIV RTXes.
3240         (u): Ditto.
3241         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3242         and udivmod<mode>4 patterns using any_div code iterator.
3243         (divmod splitters): Macroize splitters using any_div code iterator.
3244         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3245         (*udivmodsi4_pow2_zext_2): Ditto.
3246         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3247         and *udivmod<mode>4_noext patterns using any_div code iterator.
3248         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3249         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3250         patterns using any_div code iterator.
3251         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3252         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3253         patterns using any_div code iterator.
3254         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3255         udivmodhiqi3 patterns using any_extend code iterator.
3256
3257 2019-05-14  Richard Biener  <rguenther@suse.de>
3258             H.J. Lu  <hongjiu.lu@intel.com>
3259
3260         PR tree-optimization/88828
3261         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3262         permuting in a single non-constant element not extracted
3263         from a vector.
3264
3265 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3266
3267         * internal-fn.def (SIGNBIT): New.
3268         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3269         defined.
3270         (signbitv4sf2): Likewise.
3271
3272 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3273
3274         PR target/90357
3275         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3276         next insn when the SRC reg is dead.
3277
3278 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3279
3280         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3281         (alloc_cand_and_find_basis): Ditto.
3282         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3283         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3284         (create_add_imm_cand, slsr_process_cast): Ditto.
3285         (slsr_process_copy, replace_mult_candidate): Ditto.
3286         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3287         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3288         (pass_strength_reduction::execute): Init the first NULL element.
3289
3290 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3291
3292         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3293         (run_attempt): Reformat line break.
3294
3295 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3296
3297         PR target/90418
3298         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3299         data registers in sibcall epilogues.
3300         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3301
3302 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3303
3304         PR target/89221
3305         * configure.ac (--enable-frame-pointer):
3306         Disable by default for cygwin and mingw.
3307         * configure: Regenerate.
3308
3309 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3310
3311         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3312         piece of code.
3313         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3314         (gen_member_die): Move abstract origin check earlier.  Only VARs
3315         can be static_inline_p.  Simplify splicing control flow.
3316
3317 2019-05-13  Richard Biener  <rguenther@suse.de>
3318
3319         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3320         VIEW_CONVERT_EXPR.
3321         (vect_build_slp_tree_1): Likewise.
3322
3323 2019-05-13  Richard Biener  <rguenther@suse.de>
3324
3325         PR tree-optimization/90402
3326         * tree-if-conv.c (tree_if_conversion): Value number only
3327         the loop body by making the latch an exit of the region
3328         as well.
3329         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3330         processing PHIs.
3331         (do_rpo_vn): Deal with multiple edges into the entry block
3332         that are not backedges inside the region by skipping PHIs
3333         of the entry block.
3334
3335 2019-05-13  Richard Biener  <rguenther@suse.de>
3336
3337         PR tree-optimization/90316
3338         * tree-ssa-pre.c (insert_aux): Fold into ...
3339         (insert): ... this function.  Use a RPO walk to reduce the
3340         number of required iterations.
3341
3342 2019-05-13  Martin Liska  <mliska@suse.cz>
3343
3344         PR tree-optimization/90416
3345         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3346         string instead of passing the second part as va_arg argument.
3347
3348 2019-05-13  Martin Liska  <mliska@suse.cz>
3349
3350         PR gcov-profile/90380
3351         * gcov.c (handle_cycle): Do not support zero cycle count,
3352         it should not be possible.
3353         (path_contains_zero_cycle_arc): New function.
3354         (circuit): Ignore zero cycle arc counts.
3355
3356 2019-05-13  Martin Liska  <mliska@suse.cz>
3357
3358         PR gcov-profile/90380
3359         * gcov.c (enum loop_type): Remove the enum and
3360         the operator.
3361         (handle_cycle): Assert that we should not reach
3362         a negative count.
3363         (circuit): Use loop_found instead of a tri-state loop_type.
3364         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3365         happen.
3366
3367 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3368
3369         PR target/82920
3370         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3371         (ix86_output_indirect_branch_via_reg): Use output mechanism
3372         accounting for __USER_LABEL_PREFIX__.
3373         (ix86_output_indirect_branch_via_push): Likewise.
3374         (ix86_output_function_return): Likewise.
3375         (ix86_output_indirect_function_return): Likewise.
3376
3377 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3378
3379         * doc/md.texi: Document use of code attributes in rtx patterns.
3380         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3381         * read-rtl.c (find_code): Split out search loops into...
3382         (maybe_find_code): ...this new function.
3383         (check_code_iterator): Make the error message more informative.
3384         (check_code_attribute): New function.
3385         (rtx_reader::rtx_alloc_for_name): Likewise.
3386         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3387         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3388         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3389         <max_opp> directly as an rtx code instead of via a match_operator.
3390         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3391         (<su>abd<mode>_3): Update accordingly.
3392
3393 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3394
3395         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3396         is given, print the state of the EH "save world" computation for
3397         Darwin.
3398
3399 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR c++/59813
3402         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3403         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3404
3405 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3406
3407         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3408         Use pinsrd for TARGET_SSE4_1.
3409         * config/i386/sse.md (movdi_to_sse): Ditto.
3410
3411 2019-05-10  Richard Biener  <rguenther@suse.de>
3412
3413         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3414         (do_rpo_vn): Initialize next_value_id.
3415
3416 2019-05-10  Martin Liska  <mliska@suse.cz>
3417
3418         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3419         Fix plural form.
3420
3421 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3422
3423         PR tree-optimization/90385
3424         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3425         arguments of the exit phis.
3426
3427         PR c++/90383
3428         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3429         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3430         id->do_not_fold.
3431         (copy_tree_body_r): Likewise.
3432         (copy_fn): Set id.do_not_fold to true.
3433
3434 2019-05-10  Martin Liska  <mliska@suse.cz>
3435
3436         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3437         Reapply changes from r269790.
3438
3439 2019-05-10  Martin Liska  <mliska@suse.cz>
3440
3441         PR middle-end/90340
3442         * doc/invoke.texi: New params.
3443         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3444         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3445         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3446         Use it.
3447         * tree-switch-conversion.h (struct jump_table_cluster):
3448         Likewise.
3449
3450 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3451
3452         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3453
3454 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3455
3456         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3457
3458 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3459
3460         PR rtl-optimization/88879
3461         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3462
3463 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3464
3465         PR target/90405
3466         * config/arm/arm.c (callee_saved_reg_p): Move before
3467         thumb_find_work_register.
3468         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3469         thumb_find_work_register.  Only call df_get_live_out once.
3470         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3471         (thumb_find_work_register): Use
3472         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3473         algorithms to locate a spare call clobbered reg.
3474
3475 2019-05-09  Martin Liska  <mliska@suse.cz>
3476
3477         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3478         and MAX_EXPR in GIMPLE FE format.
3479
3480 2019-05-09  Martin Liska  <mliska@suse.cz>
3481
3482         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3483         * gimple-pretty-print.c (dump_gimple_bb_header):
3484         Dump BB count.
3485         (pp_cfg_jump): Dump edge probability.
3486         * profile-count.c (profile_quality_as_string): Simplify
3487         with a static array.
3488         (parse_profile_quality): New function.
3489         (profile_count::dump): Simplify with a static array.
3490         (profile_count::from_gcov_type): Add new argument.
3491         * profile-count.h (parse_profile_quality): Likewise.
3492         * predict.h (set_hot_bb_threshold): New.
3493         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3494         New param.
3495         * predict.c (get_hot_bb_threshold): Set from the new param.
3496         (set_hot_bb_threshold): New.
3497
3498 2019-05-09  Richard Biener  <rguenther@suse.de>
3499
3500         PR tree-optimization/90395
3501         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3502         rewrite vector stores that throw internally.
3503
3504 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3505
3506         * cif-code.def (CHKP): Remove.
3507
3508         PR target/89221
3509         * configure.ac (--enable-frame-pointer): Disable by default for
3510         GNU systems.
3511         * configure: Regenerate.
3512
3513 2019-05-09  Alan Modra  <amodra@gmail.com>
3514
3515         PR target/89271
3516         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3517         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3518         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3519         cost for general <-> vsx when direct moves are available.
3520         Cost union classes at minimal cost for any reg in the class.
3521         Correct calculation for moves between vsx, float, and altivec.
3522         Don't return a low cost for moves between special regs.  Don't
3523         use hard coded register numbers.
3524         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3525         (rs6000_ira_change_pseudo_allocno_class): New function.
3526         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3527         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3528         alternatives.
3529         (movsi_internal1): Don't disparage vector alternatives.
3530         (mov<mode>_internal): Likewise, excepting alternative that
3531         will be split.
3532         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3533         we <- b alternative.
3534
3535 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3536
3537         PR c++/59813
3538         PR tree-optimization/89060
3539         * tree-ssa-live.h (live_vars_map): New typedef.
3540         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3541         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3542         (struct compute_live_vars_data): New type.
3543         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3544         live_vars_at_stmt, destroy_live_vars): New functions.
3545         * tree-tailcall.c: Include tree-ssa-live.h.
3546         (live_vars, live_vars_vec): New global variables.
3547         (find_tail_calls): Perform variable life analysis before punting.
3548         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3549         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3550         member.
3551         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3552         Perform variable life analysis to select variables that really need
3553         clobbers added.
3554         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3555         instead set id->eh_landing_pad_dest and assert it is the same.
3556         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3557
3558 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3559             Richard Earnshaw  <rearnsha@arm.com>
3560
3561         PR target/88167
3562         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3563         function.
3564         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3565         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3566         register if both the epilogue and prologue can use call-clobbered
3567         regs.
3568         (thumb1_unexpanded_epilogue): Use
3569         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3570         picking temporaries for restoring high regs to match that of the
3571         prologue where possible.
3572         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3573         the list of work registers.  Detect if the return address is still live
3574         at the end of the prologue and avoid using it for a work register if so.
3575         If the return address is not live, add LR to the list of pushable regs
3576         after the first pass.
3577
3578 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3579
3580         PR tree-optimization/90078
3581         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3582         (INFTY): Increase the value for infinite cost.
3583         (struct comp_cost): Promote type of members to int64_t.
3584         (infinite_cost): Don't set complexity in initialization.
3585         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3586         overflows to infinite_cost.
3587         (adjust_setup_cost): Promote type of parameter and cost computation
3588         to int64_t.
3589         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3590         int64_t.
3591         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3592         cost computation to int64_t.
3593         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3594         int64_t's format specifier in dump.
3595
3596 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3597
3598         PR tree-optimization/90240
3599         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3600         with respect to scaling factor pre-computed for each basic block.
3601         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3602         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3603         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3604         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3605         live range for array of loop's basic blocks.  Cleanup aux field of
3606         loop's basic blocks.
3607
3608 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3609
3610         PR tree-optimization/90356
3611         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3612
3613 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3614
3615         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3616         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3617         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3618         (ix86_handle_option): Handle -mavx512bf16.
3619         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3620         to extra_headers.
3621         * config/i386/avx512bf16vlintrin.h: New.
3622         * config/i386/avx512bf16intrin.h: New.
3623         * config/i386/cpuid.h (bit_AVX512BF16): New.
3624         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3625         * config/i386/i386-builtin-types.def: Add new types.
3626         * config/i386/i386-builtin.def: Add new builtins.
3627         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3628         __AVX512BF16__.
3629         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3630         (ix86_option_override_internal): Handle BF16.
3631         (ix86_valid_target_attribute_inner_p): Ditto.
3632         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3633         * config/i386/i386-builtin.c (enum processor_features): Add
3634         F_AVX512BF16.
3635         (static const _isa_names_table isa_names_table): Ditto.
3636         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3637         (PTA_AVX512BF16): Ditto.
3638         * config/i386/i386.opt: Add -mavx512bf16.
3639         * config/i386/immintrin.h: Include avx512bf16intrin.h
3640         and avx512bf16vlintrin.h.
3641         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3642         avx512f_cvtneps2bf16_<mode><mask_name>,
3643         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3644         * config/i386/subst.md (mask_half): Add new subst.
3645         * doc/invoke.texi: Document -mavx512bf16.
3646
3647 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3648
3649         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3650         Delete declaration.
3651         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3652         (rs6000_debug_legitimize_reload_address): Delete.
3653         (rs6000_legitimize_reload_address_ptr): Delete.
3654         (rs6000_option_override_internal): Adjust.
3655         (mem_operand_gpr): Adjust comment.
3656         (legitimate_lo_sum_address_p): Ditto.
3657         (rs6000_legitimize_reload_address): Delete.
3658         (rs6000_debug_legitimize_reload_address): Delete.
3659         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3660
3661 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3662
3663         PR target/89765
3664         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3665         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3666         to compute vector element selector for both constant and variable
3667         operands.
3668
3669 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3670
3671         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3672         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3673         ashrdi3_cvt using SWI48 mode iterator.
3674
3675 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3676
3677         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3678         (aarch64_<su>abd<mode>_3): Likewise.
3679         (*aarch64_<su>abd<mode>_3): New define_insn.
3680         (<sur>sad<vsi2qi>): New define_expand.
3681         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3682         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3683         (build_vect_cond_expr): Likewise.
3684
3685 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3686
3687         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3688         clobbers outside of accessible_reg_set.
3689         * config/i386/i386.c (ix86_conditional_register_usage):
3690         Disable register sets by clearing corresponding bits in
3691         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3692         call_used_regs and don't clear corresponding reg_names array members.
3693
3694 2019-05-07  Richard Biener  <rguenther@suse.de>
3695
3696         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3697         not specified still compute a comp_vectype for invariant
3698         compares.
3699
3700 2019-05-07  Richard Biener  <rguenther@suse.de>
3701
3702         PR tree-optimization/90316
3703         * tree-ssa-pre.c (translate_vuse_through_block): When
3704         same_valid is NULL do not bother to search for a virtual
3705         PHI continuation.
3706         (phi_translate_1): When operands changed we cannot keep
3707         the same value-number so do not bother to ask whether
3708         that's possible from translate_vuse_through_block.
3709
3710 2019-05-07  Martin Liska  <mliska@suse.cz>
3711
3712         * bitmap.c (bitmap_register): Come up with
3713         alloc_descriptor_max_uid and assign it for
3714         a new bitmap.
3715         (register_overhead): Use get_descriptor as
3716         a descriptor.
3717         (release_overhead): New.
3718         (bitmap_elem_to_freelist): Call it.
3719         (bitmap_elt_clear_from): Likewise.
3720         (bitmap_obstack_free): Likewise.
3721         (bitmap_move): Sensitively release memory.
3722         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3723         (bitmap_initialize): Initialize alloc_descriptor to zero.
3724         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3725
3726 2019-05-07  Richard Biener  <rguenther@suse.de>
3727
3728         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3729         we build a SLP node.  Remove max_size and limiting.
3730         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3731
3732 2019-05-07  Richard Biener  <rguenther@suse.de>
3733
3734         PR tree-optimization/90316
3735         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3736         limit by reference.
3737         (walk_non_aliased_vuses): Take walking limit argument.
3738         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3739         walking if it is reached instead of just counting.
3740         (get_continuation_for_phi): Likewise.
3741         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3742         limiting to the callback.
3743         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3744         (vn_reference_lookup_3): Likewise.
3745         (vn_reference_lookup_pieces): Likewise.
3746         (vn_reference_lookup): Likewise.
3747         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3748         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3749         (avail_exprs_stack::lookup_avail_expr): Likewise.
3750
3751 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3752
3753         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3754         for comparaible types in the second direction even if first one
3755         hits incomparable type.
3756
3757 2019-05-07  Richard Biener  <rguenther@suse.de>
3758
3759         PR lto/90369
3760         * lto-wrapper.c (debug_objcopy): Use the original filename
3761         including archive offset for the filename used for -save-temps.
3762
3763 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3764
3765         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3766         detection.
3767
3768 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3769             Hongtao Liu  <hongtao.liu@intel.com>
3770
3771         PR target/89750
3772         PR target/86444
3773         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3774         Modified, original implementation isn't correct.
3775
3776 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3777
3778         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3779         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3780         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3781         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3782         (FRAME_POINTER_REGNUM): Change numbering.
3783         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3784         (alt_reg_names): Adjust.
3785         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3786         fixed.
3787         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3788         (DWARF_FRAME_REGISTERS): Delete.
3789         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3790         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3791         Adjust.
3792         (REG_ALLOC_ORDER): Adjust.
3793         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3794         (REG_CLASS_CONTENTS): Adjust.
3795         (RETURN_ADDR_RTX): Change comment.
3796         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3797         instead of 67.
3798         (REGISTER_NAMES): Adjust.
3799         (ADDITIONAL_REGISTER_NAMES): Adjust.
3800         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3801
3802 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3803
3804         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3805         Delete.
3806         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3807         (DWARF_FRAME_REGISTERS): Adjust.
3808         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3809         Adjust.
3810         (REG_ALLOC_ORDER): Adjust.
3811         (enum reg_class): Delete SPR_REGS.
3812         (REG_CLASS_NAMES): Delete SPR_REGS.
3813         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3814         (REGISTER_NAMES): Adjust.
3815         (ADDITIONAL_REGISTER_NAMES): Adjust.
3816         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3817         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3818         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3819         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3820         (htm_spr_regno): Delete.
3821         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3822         argument.
3823         (rs6000_dbx_register_number): Adjust.
3824
3825 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3826
3827         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3828
3829 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3830
3831         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3832         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3833
3834 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3835
3836         PR tree-optimization/88709
3837         PR tree-optimization/90271
3838         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3839         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3840         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3841         variable.
3842         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3843         of the store merging group is larger than
3844         PARAM_STORE_MERGING_MAX_SIZE parameter.
3845         (split_group): Add bzero_first argument.  If set, always emit first
3846         the first store which must be = {} of the whole area and then for the
3847         rest of the stores consider all zero bytes as paddings.
3848         (imm_store_chain_info::output_merged_store): Check if first store
3849         is = {} of the whole area and if yes, determine which setting of
3850         bzero_first for split_group gives smaller number of stores.  Adjust
3851         split_group callers.
3852         (lhs_valid_for_store_merging_p): Allow decls.
3853         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3854         no elts.
3855         (pass_store_merging::process_store): Likewise.
3856
3857 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3858
3859         PR target/89424
3860         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3861         handling of V1TImode.
3862
3863 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3864
3865         PR target/89221
3866         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3867         and enable_frame_pointer ...
3868         * configure.ac: ... here.  Update help strings for
3869         --enable-frame-pointer.
3870         * configure: Regenerate.
3871         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3872         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3873         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3874         (USE_X86_64_FRAME_POINTER): Ditto.
3875
3876 2019-05-06  Martin Liska  <mliska@suse.cz>
3877
3878         * config.gcc: Append to target_gtfiles and fix indentation.
3879
3880 2019-05-06  Richard Biener  <rguenther@suse.de>
3881
3882         PR tree-optimization/90358
3883         * tree-vect-stmts.c (get_group_load_store_type): Properly
3884         detect unused upper half of load.
3885         (vectorizable_load): Likewise.
3886
3887 2019-05-06  Richard Biener  <rguenther@suse.de>
3888
3889         PR tree-optimization/88828
3890         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3891         (simplify_vector_constructor): ...here.  Handle constants in
3892         the constructor.
3893
3894 2019-05-06  Richard Biener  <rguenther@suse.de>
3895
3896         PR tree-optimization/90328
3897         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3898         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3899         is valid in the loop nest before using it.
3900         (initialize_data_dependence_relation): Adjust.
3901         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3902         loop as loop-nest to dr_may_alias_p.
3903
3904 2019-05-06  Richard Biener  <rguenther@suse.de>
3905
3906         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3907
3908 2019-05-06  Richard Biener  <rguenther@suse.de>
3909
3910         PR tree-optimization/90316
3911         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3912         compute target on demand.
3913         (get_continuation_for_phi): Remove code walking stmts to
3914         get to a target virtual operand which could end up being
3915         quadratic.
3916
3917 2019-05-06  Martin Liska  <mliska@suse.cz>
3918
3919         PR sanitizer/90312
3920         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3921         when -mabi is selected to a non-default version.
3922
3923 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3924             Martin Liska  <mliska@suse.cz>
3925
3926         * Makefile.in: Add lto-dump.texi.
3927         * cgraph.h: Add new functions get_visibility_string and
3928         get_symtab_type_string.
3929         * doc/gcc.texi: Include lto-dump section.
3930         * doc/lto-dump.texi: New file.
3931         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3932         (parse_dump_option): Factor out this function.
3933         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3934         (parse_dump_option): Export the function.
3935         * symtab.c (symtab_node::get_visibility_string): New function.
3936         (symtab_node::get_symtab_type_string): Likewise.
3937
3938 2019-05-06  Martin Liska  <mliska@suse.cz>
3939
3940         * config/i386/i386-builtins.c: New file.
3941         * config/i386/i386-builtins.h: New file.
3942         * config/i386/i386-expand.c: New file.
3943         * config/i386/i386-expand.h: New file.
3944         * config/i386/i386-features.c: New file.
3945         * config/i386/i386-features.h: New file.
3946         * config/i386/i386-options.c: New file.
3947         * config/i386/i386-options.h: New file.
3948         * config.gcc: Add new files into extra_objs and
3949         target_gtfiles.
3950         * config/i386/i386.c: Split content of the file
3951         into newly introduced files.
3952         * config/i386/i386.h: Declare common variables
3953         and macros.
3954         * config/i386/t-i386: Define dependencies for new files.
3955
3956 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3957
3958         PR target/89400
3959         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3960         Restrict 'all' variant to 32-bit configurations.
3961         (unaligned_loadhiu): Likewise.
3962         (unaligned_storehi): Likewise.
3963         (unaligned_storesi): Likewise.
3964         (unaligned_loadhis): Disable when compiling for thumb1.
3965
3966 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3967
3968         PR tree-optimization/90269
3969         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3970         Ignore clobbers.
3971
3972 2019-05-03  Martin Liska  <mliska@suse.cz>
3973
3974         * hash-map.h: Add is_empty function.
3975         * hash-set.h: Likewise.
3976         * hash-table.h: Likewise.
3977         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3978         elements () == 0 (and similar usages).
3979         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3980         * gimplify.c (gimplify_bind_expr): Likewise.
3981         (gimplify_switch_expr): Likewise.
3982         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3983         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3984         * postreload-gcse.c (dump_hash_table): Likewise.
3985         (gcse_after_reload_main): Likewise.
3986         * predict.c (combine_predictions_for_bb): Likewise.
3987         * tree-parloops.c (reduction_phi): Likewise.
3988         (separate_decls_in_region): Likewise.
3989         (transform_to_exit_first_loop): Likewise.
3990         (gen_parallel_loop): Likewise.
3991         (gather_scalar_reductions): Likewise.
3992         (try_create_reduction_list): Likewise.
3993         * var-tracking.c (dump_vars): Likewise.
3994         (emit_notes_for_changes): Likewise.
3995         (vt_emit_notes): Likewise.
3996
3997 2019-05-03  Richard Biener  <rguenther@suse.de>
3998
3999         PR tree-optimization/90316
4000         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4001         before running VN.
4002
4003 2019-05-03  Richard Biener  <rguenther@suse.de>
4004
4005         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4006         peeling for gaps by loading only lower halves of vectors
4007         if possible.
4008         (vectorizable_load): Likewise.
4009
4010 2019-05-03  Richard Biener  <rguenther@suse.de>
4011
4012         PR middle-end/89518
4013         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4014
4015 2019-05-03  Richard Biener  <rguenther@suse.de>
4016
4017         PR middle-end/87314
4018         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4019         Handle STRING_CST vs DECL or STRING_CST.
4020
4021 2019-05-03  Richard Biener  <rguenther@suse.de>
4022
4023         PR tree-optimization/88963
4024         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4025         vector loads feeding only BIT_FIELD_REFs to component
4026         loads.  Rewrite stores fed by CONSTRUCTORs to component
4027         stores.
4028
4029 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4030
4031         * opts.h (finish_options): Remove lang_mask argument.
4032         (print_help, help_option_argument): Declare.
4033         * opts.c (print_help): Remove forward declaration, no longer static.
4034         (finish_options): Remove lang_mask argument, don't call print_help
4035         here.
4036         * opts-global.c (decode_options): Adjust finish_option caller, call
4037         print_help here.
4038
4039         PR tree-optimization/90303
4040         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4041         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4042
4043 2019-05-03  Richard Biener  <rguenther@suse.de>
4044
4045         PR tree-optimization/89698
4046         * gimple-fold.c (canonicalize_constructor_val): Early out
4047         for constants, handle unfolded INTEGER_CSTs as they appear in
4048         C++ virtual table ctors.
4049
4050 2019-05-03  Richard Biener  <rguenther@suse.de>
4051
4052         * passes.c (execute_function_todo): Remove dead code.
4053
4054 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4055
4056         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4057         the internal register number, for any "real" register.
4058
4059 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4060
4061         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4062         correct numbers for TFHAR, TFIAR, TEXASR.
4063
4064 2019-05-02  Richard Biener  <rguenther@suse.de>
4065
4066         PR tree-optimization/89653
4067         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4068         update-address-taken before the pass.
4069         * passes.def (pass_tree_loop_init): Put comment before it.
4070
4071 2019-05-02  Richard Biener  <rguenther@suse.de>
4072
4073         PR tree-optimization/89509
4074         * tree-ssa-structalias.c (compute_dependence_clique): Look
4075         at the first subvar when determining whether it is restrict.
4076
4077 2019-05-02  Richard Biener  <rguenther@suse.de>
4078
4079         PR tree-optimization/90273
4080         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4081         useless debug stmts.
4082
4083 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4084
4085         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4086         ACLE branch.
4087         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4088         SVE ACLE branch.
4089         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4090         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4091         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4092         (vectorizable_reduction): Use the functions above to vectorize in a
4093         fully masked loop codes that don't have a conditional internal
4094         function.
4095
4096 2019-05-02  Martin Liska  <mliska@suse.cz>
4097
4098         * cgraphclones.c: Call valid_attribute_p with 1 for
4099         target_clone.
4100         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4101         it's for target attribute.
4102         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4103         Add new boolean argument.
4104         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4105         Likewise.
4106         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4107         to ix86_valid_target_attribute_inner_p.
4108         (ix86_valid_target_attribute_p): Pass flags argument to
4109         ix86_valid_target_attribute_inner_p.
4110         (get_builtin_code_for_version): Use 0 as it's target attribute.
4111
4112 2019-05-02  Martin Liska  <mliska@suse.cz>
4113
4114         * gcc.c (process_command): Add dummy file only
4115         if n_infiles == 0.
4116         * opts-global.c (decode_options): Pass lang_mask.
4117         * opts.c (print_help): New function.
4118         (finish_options): Print --help if help_option_argument
4119         is set.
4120         (common_handle_option): Factor out content of OPT__help_
4121         into print_help.
4122         * opts.h (finish_options): Add new argument.
4123
4124 2019-05-02  Martin Liska  <mliska@suse.cz>
4125
4126         PR target/88809
4127         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4128         With -minline-all-stringops use inline expansion using 4B loop.
4129         * doc/invoke.texi: Document the change of
4130         -minline-all-stringops.
4131
4132 2019-05-01  Jeff Law  <law@redhat.com>
4133
4134         PR tree-optimization/88797
4135         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4136         PHI feeds a conditional on the RHS of an assignment.
4137
4138 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4139             Jim Wilson  <jimw@sifive.com>
4140
4141         * config/riscv/constraints.md (L): New.
4142         * config/riscv/predicates.md (lui_operand): New.
4143         (sfb_alu_operand): New.
4144         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4145         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4146         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4147         * config/riscv/risc.md (type): Add sfb_alu.
4148         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4149         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4150         (branch_zero<mode>): Delete.
4151         (mov<mode>cc): New.
4152         (mov<GPR:mode><X:mode>cc): Likewise.
4153         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4154
4155 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4156
4157         * tree.h (MARK_TS_EXP): New.
4158
4159 2019-04-30  Martin Liska  <mliska@suse.cz>
4160
4161         * opts.c (enable_warning_as_error): Provide hints
4162         for unknown options.
4163
4164 2019-04-30  Martin Liska  <mliska@suse.cz>
4165
4166         PR debug/90288
4167         * doc/invoke.texi: Add missing dash for gas-locview-support
4168         and gno-as-locview-support.
4169
4170 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4171
4172         PR target/89093
4173         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4174         whitespace at the start of target attribute string.
4175
4176 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4177
4178         PR target/86538
4179         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4180         Define __ARM_FEATURE_ATOMICS.
4181
4182 2019-04-30  Martin Liska  <mliska@suse.cz>
4183
4184         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4185         into built_in_function enum. Remove code for endp == 2 and
4186         use BUILT_IN_* constants.
4187         (gimple_fold_builtin): Call the function with fcode.
4188
4189 2019-04-30  Martin Liska  <mliska@suse.cz>
4190
4191         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4192         DECL_FUNCTION_CODE into ix86_builtins enum before
4193         the switch statement.
4194
4195 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4196
4197         PR tree-optimization/89475
4198         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4199         calls.
4200
4201 2019-04-30  Martin Liska  <mliska@suse.cz>
4202
4203         PR translation/90274
4204         * opts.c (print_filtered_help): Wrap string in _(...).
4205
4206 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4207
4208         PR tree-optimization/90240
4209         Revert:
4210         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4211
4212         PR tree-optimization/90078
4213         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4214         checks for infinite_cost overflow.
4215
4216 2019-04-29  Jeff Law  <law@redhat.com>
4217
4218         * passes.def: Move -Wrestrict pass after copy propagation.
4219
4220 2019-04-29  Maya Rashish  <coypu@sdf.org>
4221
4222         * config.gcc (default_gnu_indirect_function): Default to yes
4223         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4224         sparc*-*-netbsd*, x86_64-*-netbsd*.
4225
4226 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4227
4228         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4229         where cond2 is NE_EXPR.
4230         (is_value_included_in): Update comment.
4231
4232 2019-04-29  Richard Biener  <rguenther@suse.de>
4233
4234         PR tree-optimization/90278
4235         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4236         EH on comparison simplification.
4237
4238 2019-04-29  Jason Merrill  <jason@redhat.com>
4239
4240         PR c++/82081 - tail call optimization breaks noexcept
4241         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4242         nothrow function to a might-throw function into a tail call.
4243
4244 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4245
4246         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4247         (DDR_INNER_LOOP): Likewise.
4248         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4249         (initialize_data_dependence_relation): Likewise.
4250         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4251
4252 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4253
4254         PR rtl-optimization/90257
4255         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4256         return value.
4257
4258         Revert the revert:
4259         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4260
4261         PR target/90178
4262         Revert:
4263         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4264
4265         Revert the revert:
4266         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4267
4268         Revert:
4269         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4270
4271         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4272
4273 2019-04-29  Richard Biener  <rguenther@suse.de>
4274
4275         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4276         rhs issue a reset.
4277
4278 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4279
4280         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4281         varasm.h, and netbsd-protos.h.
4282
4283 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4284
4285         PR target/89261
4286         * config/i386/i386-protos.h (ix86_data_alignment): Change
4287         the second argument type to unsigned int.
4288         * config/i386/i386.c (ix86_data_alignment): Change "align"
4289         argument type to unsigned int.
4290
4291 2019-04-27  Martin Liska  <mliska@suse.cz>
4292
4293         PR middle-end/90258
4294         * opt-suggestions.c (option_proposer::build_option_suggestions):
4295         When get_valid_option_values returns empty values, add the
4296         misspelling candidate.
4297
4298 2019-04-26  Jim Wilson  <jimw@sifive.com>
4299
4300         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4301         parameter.
4302         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4303         Pass orig_mode to riscv_build_integer.
4304         (riscv_split_integer): Pass mode to riscv_move_integer.
4305         (riscv_legitimize_const_move): Likewise.
4306         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4307         promoted_mode.  Replace force_reg call with code to load constant into
4308         promoted reg and then subreg it for the store.
4309         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4310         riscv_move_integer.
4311
4312 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4313
4314         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4315         corrupt codes.
4316
4317 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4318
4319         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4320         commentary about the encoding of precision.
4321
4322 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4323
4324         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4325         * config/i386/t-freebsd64: New file.
4326         * config.gcc: Add the t-freebsd64 for multilib support.
4327
4328 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4329
4330         * doc/extend.texi (vector_size): Add missing comma after @xref.
4331
4332 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4333
4334         * BASE-VER: Set to 10.0.0.
4335
4336 2019-04-25  Richard Biener  <rguenther@suse.de>
4337
4338         PR middle-end/89765
4339         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4340         VIEW_CONVERT_EXPR into one operating on an rvalue.
4341
4342 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4343
4344         PR target/89929
4345         * config/i386/i386.c (feature_priority): Moved to file scope.
4346         (processor_features): Likewise.
4347         (processor_model): Likewise.
4348         (_arch_names_table): Likewise.
4349         (arch_names_table): Likewise.
4350         (_feature_list): Removed.
4351         (feature_list): Likewise.
4352         (_isa_names_table): Moved to file scope.  Add priority.
4353         (isa_names_table): Likewise.
4354         (get_builtin_code_for_version): Replace feature_list with
4355         isa_names_table.  Update error message for P_ZERO priority.
4356
4357 2019-04-25  Richard Biener  <rguenther@suse.de>
4358
4359         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4360         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4361
4362 2019-04-24  Jeff Law  <law@redhat.com>
4363
4364         PR tree-optimization/90037
4365         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4366         * passes.def: Replace all instance of phi-only cprop with the
4367         lattice propagator.  Move propagation pass from after erroneous
4368         path isolation to before erroneous path isolation.
4369         * tree-ssa-phionlycprop.c: Remove.
4370
4371 2019-04-24  Richard Biener  <rguenther@suse.de>
4372
4373         PR middle-end/90213
4374         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4375         by size and BITS_PER_UNIT on poly-wide-ints.
4376
4377 2019-04-25  Richard Biener  <rguenther@suse.de>
4378
4379         PR middle-end/90194
4380         * match.pd: Add pattern to simplify view-conversion of an
4381         empty constructor.
4382
4383 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4384
4385         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4386         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4387         for Go on 32 bit AIX.
4388         * config/rs6000/aix72.h: Likewise.
4389
4390 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4391
4392         PR target/90193
4393         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4394         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4395
4396 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4397
4398         PR target/89952
4399         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4400         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4401         for restored hard frame pointer.
4402         (s390_sched_dependencies_evaluation): Implement new target hook.
4403         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4404
4405 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4406
4407         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4408         * config/arc/arc.c (arc_init): Cleanup warning message.
4409         (arc_override_options): Likewise.
4410
4411 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4412
4413         PR target/90187
4414         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4415         a register if both if_true and if_false are MEMs.
4416
4417         PR tree-optimization/90208
4418         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4419         after labels of new_bb, not before them.
4420
4421         PR tree-optimization/90211
4422         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4423         which are not SSA_NAMEs.
4424
4425 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4426
4427         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4428         AArch64.
4429         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4430
4431 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4432
4433         PR rtl-optimization/87979
4434         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4435         not equal zero.
4436
4437 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4438
4439         PR rtl-optimization/84032
4440         * modulo-sched.c (ps_insn_find_column): Change condition so that
4441         branch will always be the last insn in a row inside partial
4442         schedule.
4443
4444 2019-04-23  Richard Biener  <rguenther@suse.de>
4445
4446         PR debug/90131
4447         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4448         dest_single_pred_p argument.
4449         (remove_forwarder_block): Adjust.
4450         (remove_forwarder_block_with_phi): Likewise.
4451
4452 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4453             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4454             Jakub Jelinek  <jakub@redhat.com>
4455
4456         PR target/89093
4457         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4458         if used with general-regs-only.
4459         (arm_conditional_register_usage): Don't add non-general regs if
4460         general-regs-only.
4461         (arm_valid_target_attribute_rec): Handle general-regs-only.
4462         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4463         general-regs-only.
4464         (TARGET_HARD_FLOAT_SUB): Define.
4465         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4466         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4467         (TARGET_REALLY_IWMMXT2): Likewise.
4468         * config/arm/arm.opt: Add -mgeneral-regs-only.
4469         * doc/extend.texi: Document ARM general-regs-only target.
4470         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4471
4472 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4473
4474         PR tree-optimization/90078
4475         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4476         checks for infinite_cost overflow.
4477
4478 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4479
4480         PR tree-optimization/90021
4481         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4482         and check univariate against it.
4483         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4484         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4485
4486 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4487
4488         PR target/90178
4489         Revert:
4490         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4491
4492         Revert the revert:
4493         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4494
4495         Revert:
4496         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4497
4498         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4499
4500 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4501
4502         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4503         names using operand format, rather than hard-wired.
4504         (speculation_barrier): Likewise.
4505
4506 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4507
4508         PR tree-optimization/88055
4509         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4510         (gen_one_condition): Use it if !HONOR_NANS.
4511
4512 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4513
4514         PR middle-end/90139
4515         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4516         assign_temp instead of gen_reg_rtx.
4517
4518 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4519
4520         PR translation/90118
4521         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4522         Add missing space before %<.
4523
4524 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4525
4526         PR rtl-optimization/87871
4527         * ira-lives.c (make_object_dead): Don't add conflicts to
4528         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4529
4530 2019-04-18  Martin Sebor  <msebor@redhat.com>
4531
4532         PR middle-end/89797
4533         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4534         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4535         assuming type size fits in SHWI.
4536
4537 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4538
4539         PR ipa/85051
4540         * ipa-inline.c (flatten_function): New parameter UPDATE.
4541         (ipa_inline, early_inliner): Use it.
4542
4543 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4544
4545         * fold-const.c (int_const_binop): Return early on failure.
4546
4547 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4548
4549         PR middle-end/85164
4550         * combine.c (force_int_to_mode): Cast the argument rather than
4551         the result of known_alignment.
4552         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4553
4554 2019-04-18  Richard Biener  <rguenther@suse.de>
4555
4556         PR debug/90131
4557         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4558         out from ...
4559         (remove_forwarder_block): ... here.
4560         (remove_forwarder_block_with_phi): Also move debug stmts here.
4561
4562 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4563
4564         PR translation/79183
4565         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4566         inform where appropriate.
4567
4568 2019-04-18  Richard Biener  <rguenther@suse.de>
4569
4570         * tree.c (get_qualified_type): Put found type variants at the
4571         head of the variant list.
4572
4573 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4574
4575         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4576
4577 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4578
4579         PR target/90125
4580         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4581         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4582         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4583         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4584         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4585
4586 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4587
4588         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4589         even for allocno's with no conflicts.
4590         (print_conflicts): Print an extra newline.
4591
4592 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4593
4594         * auto-inc-dec.c (attempt_change): Set the alignment of the
4595         temporary memory to that of the original.
4596
4597 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4598
4599         * targhooks.c (default_print_patchable_function_entry): Emit
4600         __patchable_function_entries section with writable flags to allow
4601         relocation resolution.
4602
4603 2019-04-17  Jonny Grant  <jg@jguk.org>
4604
4605         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4606
4607 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4608
4609         PR middle-end/90095
4610         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4611         on lowpart SUBREGs.
4612
4613 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4614
4615         * config/arc/arc.c (arc_init): Format diagnostic string.
4616         (arc_override_options): Likewise.
4617         (check_if_valid_regno_const): Likewise.
4618         (arc_reorg): Likewise.
4619
4620 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4621
4622         PR target/17108
4623         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4624         name.
4625         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4626         name.
4627         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4628         (*movdi_update1): Use Pmode.
4629         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4630         (movdi_<mode>_update_stack): Rename to ...
4631         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4632         use Pmode.
4633         (*movsi_update1): Use Pmode.
4634         (*movsi_update2): Use Pmode.
4635         (movsi_update): Rename to ...
4636         (movsi_<mode>_update): ... this.  Use Pmode.
4637         (movsi_update_stack): Fix condition.
4638         (*movhi_update1): Use Pmode.  Fix argument to
4639         avoiding_indexed_address_p.
4640         (*movhi_update2): Ditto.
4641         (*movhi_update3): Ditto.
4642         (*movhi_update4): Ditto.
4643         (*movqi_update1): Ditto.
4644         (*movqi_update2): Ditto.
4645         (*movqi_update3): Ditto.
4646         (*movsf_update1, *movdf_update1): Merge, rename to...
4647         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4648         avoiding_indexed_address_p.  Add "size" attribute.
4649         (*movsf_update2, *movdf_update2): Merge, rename to...
4650         (*mov<mode>_update2): This.  Ditto.
4651         (*movsf_update3): Use Pmode.  Fix argument to
4652         avoiding_indexed_address_p.
4653         (*movsf_update4): Ditto.
4654         (allocate_stack): Simplify condition.  Adjust pattern names.
4655
4656 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4657
4658         PR target/89093
4659         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4660         whitespace at the start of target attribute string.
4661
4662 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4663
4664         PR target/84369
4665         * config/rs6000/power9.md: Add store forwarding bypass.
4666
4667 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4668
4669         PR debug/89528
4670         * valtrack.c (dead_debug_insert_temp): Reset debug references
4671         to the return value of a call being removed.
4672
4673 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4674
4675         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4676         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4677         implement target hook.
4678         (arc_memory_move_cost): New function.
4679         (TARGET_REGISTER_MOVE_COST): Define.
4680         (TARGET_MEMORY_MOVE_COST): Likewise.
4681         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4682         (MEMORY_MOVE_COST): Likewise.
4683
4684 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4685
4686         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4687         (sibcall_value_insn): Likewise.
4688         * config/arc/constraints.md (Rs5): Remove.
4689
4690 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4691
4692         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4693         for last two fake registers.
4694         (arc_conditional_register_usage): Make sure fake frame and arg
4695         pointer regs are in general regs class.
4696         (FRAME_POINTER_MASK): Remove.
4697         (RETURN_ADDR_MASK): Remove.
4698         (arc_must_save_register): Use hard frame regnum.
4699         (frame_restore_reg): Use hard_frame_pointer_rtx.
4700         (arc_save_callee_saves): Likewise.
4701         (arc_restore_callee_saves): Likewise.
4702         (arc_save_callee_enter): Likewise.
4703         (arc_restore_callee_leave): Likewise.
4704         (arc_save_callee_milli): Likewise.
4705         (arc_eh_return_address_location): Likewise.
4706         (arc_check_multi): Use hard frame regnum.
4707         (arc_can_eliminate): Likewise.
4708         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4709         for register allocator.
4710         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4711         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4712         (FRAME_POINTER_REGNUM): Change it to a fake register.
4713         (HARD_FRAME_POINTER_REGNUM): Defined.
4714         (ARG_POINTER_REGNUM): Change it to a new fake register.
4715         (ELIMINABLE_REGS): Update.
4716         (REGISTER_NAMES): Update names.
4717         * config/arc/arc.md (LP_START): Remove.
4718         (LP_END): Likewise.
4719         (shift_si3_loop): Update pattern.
4720
4721 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4722
4723         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4724         to avoid delay slot scheduling.
4725         (arc_must_save_register): Don't save SP.
4726         * config/arc/arc.md (stack_tie): Remove.
4727         (UNSPEC_ARC_STKTIE): Likewise.
4728
4729 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4730             Shiva Chen  <shiva0217@gmail.com>
4731
4732         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4733         code gen with large shift amount.
4734
4735 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4736
4737         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4738         subreg.
4739
4740 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4741
4742         PR target/90096
4743         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4744         print -m64/-mx32/-m32 if it is true.
4745         (ix86_debug_options, ix86_function_specific_print): Pass true as
4746         ADD_ABI_P to ix86_target_string.
4747         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4748         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4749         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4750
4751         PR rtl-optimization/90082
4752         * dce.c (can_delete_call): New function.
4753         (deletable_insn_p, mark_insn): Use it.
4754
4755         PR tree-optimization/90090
4756         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4757         throw internally.
4758         (is_division_by_square): Likewise.  Formatting fix.
4759
4760 2019-04-16  Richard Biener  <rguenther@suse.de>
4761
4762         PR tree-optimization/56049
4763         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4764         equality check if alias-set zero will prevail.
4765
4766 2019-04-15  Jeff Law  <law@redhat.com>
4767
4768         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4769         size and alignment as unsigned.
4770
4771 2019-04-15  Richard Biener  <rguenther@suse.de>
4772
4773         PR debug/90074
4774         * tree-loop-distribution.c (destroy_loop): Preserve correct
4775         debug info.
4776
4777 2019-04-15  Richard Biener  <rguenther@suse.de>
4778
4779         PR tree-optimization/90071
4780         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4781         abnormal operands from def stmts.
4782
4783 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4784
4785         PR rtl-optimization/89794
4786         * combine.c (count_auto_inc): New function.
4787         (try_combine): Count how many auto_inc expressions there were in the
4788         original instructions.  Ensure we have the same number in the new
4789         instructions.  Remove the code that tried to ensure auto_inc side
4790         effects on i1 and i0 are not lost.
4791
4792 2019-04-15  Richard Biener  <rguenther@suse.de>
4793
4794         PR ipa/88936
4795         * tree.h (auto_var_p): Declare.
4796         * tree.c (auto_var_p): New function, split out from ...
4797         (auto_var_in_fn_p): ... here.
4798         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4799         member.
4800         (new_var_info): Initialize it.
4801         (set_uids_in_ptset): Also set the shadow variable uid if required.
4802         (ipa_pta_execute): Postprocess points-to solutions assigning
4803         shadow variable uids for locals that may reach their containing
4804         function recursively.
4805         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4806         assert but instead check whether the points-to solution is
4807         a singleton.
4808
4809 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4810
4811         PR ipa/pr89693
4812         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4813         the thunk chain.
4814
4815 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4816
4817         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4818
4819 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4820             Kito Cheng  <kito.cheng@gmail.com>
4821             Shiva Chen  <shiva0217@gmail.com>
4822
4823         * config/nds32/nds32-md-auxiliary.c
4824         (nds32_legitimize_pic_address): Use new PIC pattern.
4825         (nds32_legitimize_tls_address): Use new TLS pattern.
4826         (nds32_output_symrel): New.
4827         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4828         (nds32_alloc_relax_group_id): Ditto.
4829         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4830         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4831         relax_group_id.
4832         (nds32_group_tls_insn): Ditto.
4833         (nds32_group_float_insns): Ditto.
4834         * config/nds32/nds32.md (tls_le): New.
4835         (sym_got): Ditto.
4836
4837 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4838
4839         * configure: Add nds32 target for dwarf2 debug_line checking.
4840         * configure.ac: Regenerated.
4841
4842 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4843
4844         PR lto/89358
4845         * ipa-devirt.c (skip_in_fields_list_p): New.
4846         (odr_types_equivalent_p): Use it.
4847
4848 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4849
4850         PR target/89093
4851         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4852         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4853
4854 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4855
4856         * doc/install.texi: Document --with-target-system-zlib.
4857
4858 2019-04-12  Martin Sebor  <msebor@redhat.com>
4859
4860         PR c/88383
4861         PR c/89288
4862         PR c/89798
4863         PR c/89797
4864         * targhooks.c (default_vector_alignment): Avoid assuming
4865         argument fits in SHWI.
4866         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4867         a shift expression.
4868         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4869
4870 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4871
4872         PR rtl-optimization/89965
4873         * dce.c: Include rtl-iter.h.
4874         (struct check_argument_load_data): New type.
4875         (check_argument_load): New function.
4876         (find_call_stack_args): Check for loads from stack slots still tracked
4877         in sp_bytes and punt if any is found.
4878
4879         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4880
4881 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4882
4883         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4884         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4885
4886 2019-04-12  Martin Liska  <mliska@suse.cz>
4887
4888         PR middle-end/89970
4889         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4890         in error message.
4891         (separate_attrs): Handle multiple 'default's.
4892         (expand_target_clones): Rework error handling code.
4893
4894 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4895
4896         PR target/87532
4897         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4898         mode of vector rather than mode of destination for move instruction.
4899         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4900         Use QI inner mode with V16QI vector mode.
4901
4902 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4903
4904         PR target/52726
4905         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4906         "invalid %%t operand" in output_operand_lossage message.
4907
4908 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4909
4910         * config/s390/predicates.md (permute_pattern_operand): New
4911         predicate.
4912         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4913         operand for the permute pattern.
4914         ("*vec_perm<mode>"): New insn definition.
4915         ("bswap<mode>"): Generate the permute pattern operand in the
4916         expander and perform the operand reloads for pre arch13 level
4917         already.
4918         ("*bswap<mode>_emu"): Rename to ...
4919         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4920         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4921         Add the USE operand for the permute pattern.
4922         ("*vec_set_bswap_vec<mode>"): Likewise.
4923
4924 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4925
4926         PR c/89946
4927         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4928         and gcc_unreachable if it fails, just call tree_to_uhwi which
4929         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4930         Start warning message with a lower-case letter.  Formatting fixes.
4931
4932         PR rtl-optimization/90026
4933         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4934         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4935         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4936         in cfglayout mode, use emit_barrier_after_bb.
4937
4938 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4939
4940         PR rtl-optimization/87763
4941         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4942         New Instruction.
4943
4944 2019-04-11  Tom de Vries  <tdevries@suse.de>
4945
4946         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4947         max macro using statement expression.
4948
4949 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4950
4951         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4952         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4953         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4954         read_only_private_data_section using xcoff_private_rodata_section_name.
4955         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4956
4957 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4958
4959         PR target/90016
4960         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4961
4962 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4963
4964         PR rtl-optimization/89965
4965         * dce.c (sp_based_mem_offset): New function.
4966         (find_call_stack_args): Use sp_based_mem_offset.
4967
4968 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4969
4970         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4971
4972 2019-04-11  Richard Biener  <rguenther@suse.de>
4973
4974         PR tree-optimization/90020
4975         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4976         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4977         * tree-ssa-pre.c (compute_avail): Use it to not put
4978         possibly trapping references after a call that might not
4979         return into EXP_GEN.
4980         * gcse.c (compute_hash_table_work): Do not elide
4981         marking a block containing a call if the call might not
4982         return.
4983
4984 2019-04-11  Richard Biener  <rguenther@suse.de>
4985
4986         PR tree-optimization/90018
4987         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4988         Test both SLP and interleaving variants.
4989
4990 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4991
4992         * config/s390/8561.md: New file.
4993         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4994         Add arch13 cpu model.
4995         * config/s390/s390-opts.h (enum processor_type): Likewise.
4996         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4997         (s390_get_unit_mask): Likewise.
4998         (s390_is_fpd): Likewise.
4999         (s390_is_fxd): Likewise.
5000         * config/s390/s390.h (s390_tune_attr): Likewise.
5001         * config/s390/s390.md: Include arch13 pipeline description.
5002         * config/s390/s390.opt: Add arch13.
5003
5004 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5005
5006         PR rtl-optimization/87763
5007         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5008         New prototype.
5009         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5010         New function.
5011         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5012         New instruction.
5013         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5014         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5015         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5016         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5017
5018 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5019
5020         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5021         "Although" in -fipa-icf documentation.
5022
5023         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5024         of using multiple -g options.
5025
5026 2019-04-10  Martin Liska  <mliska@suse.cz>
5027
5028         PR gcov-profile/89959
5029         * doc/gcov.texi: Make documentation of -x option
5030         more precise.
5031
5032 2019-04-10  Richard Biener  <rguenther@suse.de>
5033
5034         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5035         member.
5036         (DR_GROUP_SAME_DR_STMT): Remove.
5037         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5038         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5039         replace with assert.
5040         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5041         (vect_record_grouped_load_vectors): Remove unreachable code.
5042
5043 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5044
5045         PR target/90016
5046         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5047         obsolete reference to N.
5048
5049 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5050
5051         PR middle-end/90025
5052         * expr.c (store_expr): Set properly size on the MEM passed to
5053         clear_storage.
5054
5055         PR c++/90010
5056         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5057         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5058         translation is needed, and when translation is needed, only append
5059         ... if the string length is hostsz or more bytes long.  Avoid using
5060         strncpy or strcat.
5061
5062 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5063
5064         PR target/90024
5065         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5066         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5067         into three.
5068         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5069         differences directly.
5070         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5071
5072 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5073
5074         PR translation/90011
5075         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5076         from diagnostics.
5077         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5078         diagnostics.
5079         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5080         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5081         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5082         trailing space from -gsplit-dwarf diagnostics.
5083
5084         PR tree-optimization/89998
5085         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5086         instead of integer_type_node if possible, don't add ranges if return
5087         type is not compatible with int.
5088         * gimple-fold.c (gimple_fold_builtin_sprintf,
5089         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5090         integer_type_node.
5091
5092 2019-04-09  Martin Liska  <mliska@suse.cz>
5093
5094         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5095         * doc/install.texi: Document the new config.
5096
5097 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5098
5099         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5100         use gimple_expr_type for load and store calls.  Skip over the
5101         condition argument in a conditional internal function.
5102         Protect use of TREE_INT_CST_LOW.
5103
5104 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5105
5106         PR target/90015
5107         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5108         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5109         trailing period from it too.
5110
5111 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5112
5113         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5114         * config/aarch64/aarch64.md : Add "tsv110.md"
5115         * config/aarch64/tsv110.md: New file.
5116
5117 2019-04-08  Richard Biener  <rguenther@suse.de>
5118
5119         PR tree-optimization/90006
5120         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5121         calls like lrint.
5122
5123 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5124
5125         PR target/83033
5126         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5127         construction.
5128         (fma_root_node): Likewise.
5129         (func_fma_steering): Likewise.
5130
5131 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5132
5133         PR rtl-optimization/89865
5134         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5135
5136         PR rtl-optimization/89865
5137         * config/i386/i386.md
5138         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5139         numbers not to clash with the additional operands[4].
5140         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5141         with extra register copy in the middle.
5142
5143 2019-04-08  Martin Liska  <mliska@suse.cz>
5144
5145         PR gcov-profile/89961
5146         * doc/gcov.texi: Document data_file.
5147         * gcov.c (generate_results): Add data_info into JSON output.
5148
5149 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5150
5151         PR tree-optimization/89725
5152         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5153         loop's chrec as invariant symbol.
5154         * tree-chrec.h (chrec_contains_symbols): New parameter.
5155         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5156         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5157         function of loops not in DDR's loop_nest.
5158         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5159
5160 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5161
5162         PR target/89623
5163         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5164         Mask.
5165
5166 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5167
5168         PR target/89945
5169         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5170         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5171
5172 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5173
5174         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5175         targetm.fixed_condition_code_regs.
5176
5177 2019-04-05  Richard Biener  <rguenther@suse.de>
5178
5179         PR debug/89892
5180         PR debug/89905
5181         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5182         debug bind stmts but reset them if they are not valid at the
5183         destination.
5184
5185 2019-04-05  Martin Liska  <mliska@suse.cz>
5186
5187         PR translation/89936
5188         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5189         order to wrap keywords or arguments.
5190         * collect2.c (main): Likewise.
5191         (scan_prog_file): Likewise.
5192         (scan_libraries): Likewise.
5193         * common/config/riscv/riscv-common.c
5194         (riscv_subset_list::parsing_subset_version): Likewise.
5195         (riscv_subset_list::parse_std_ext): Likewise.
5196         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5197         Likewise.
5198         * config/arm/arm.c (arm_option_override): Likewise.
5199         * config/cris/cris.c (cris_print_operand): Likewise.
5200         * config/darwin-c.c (darwin_pragma_options): Likewise.
5201         (darwin_pragma_unused): Likewise.
5202         (darwin_pragma_ms_struct): Likewise.
5203         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5204         * config/i386/i386.c (print_reg): Likewise.
5205         (ix86_print_operand): Likewise.
5206         * config/i386/xm-djgpp.h: Likewise.
5207         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5208         * config/m32c/m32c.c (m32c_option_override): Likewise.
5209         * config/msp430/msp430.c (msp430_option_override): Likewise.
5210         * config/nds32/nds32.c (nds32_option_override): Likewise.
5211         * config/nvptx/mkoffload.c (main): Likewise.
5212         * config/rx/rx.c (rx_print_operand): Likewise.
5213         (valid_psw_flag): Likewise.
5214         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5215         (vms_pragma_nomember_alignment): Likewise.
5216         (vms_pragma_extern_model): Likewise.
5217         * lto-wrapper.c (compile_offload_image): Likewise.
5218         * omp-offload.c (oacc_parse_default_dims): Likewise.
5219         * symtab.c (symtab_node::verify_base): Likewise.
5220         * tlink.c (recompile_files): Likewise.
5221         (start_tweaking): Likewise.
5222         * tree-profile.c (parse_profile_filter): Likewise.
5223
5224 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5225
5226         PR tree-optimization/89956
5227         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5228         multiple negates of the same value.
5229
5230 2019-04-04  Martin Sebor  <msebor@redhat.com>
5231
5232         PR middle-end/89957
5233         PR middle-end/89911
5234         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5235         have the same precision since the function crashes otherwise.
5236         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5237         has non-zero arguments.
5238
5239 2019-04-04  Martin Sebor  <msebor@redhat.com>
5240
5241         PR middle-end/89934
5242         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5243         out if the number of arguments is less than expected.
5244
5245 2019-04-04  Jeff Law  <law@redhat.com>
5246
5247         PR rtl-optimization/89399
5248         * ree.c (combine_set_extension): Use single_set rather than
5249         digging into PATTERN for items on the candidate list.
5250         (combine_reaching_defs): Likewise.
5251
5252 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5253
5254         PR rtl-optimization/46590
5255         * loop-invariant.c (find_defs): Move df_remove_problem and
5256         df_process_deferred_rescans to move_invariants.
5257         Move df_live_add_problem and df_live_set_all_dirty calls
5258         to move_invariants.
5259         (move_invariants): Likewise.
5260         (move_loop_invariants): Likewise, making the df_live calls
5261         conditional on -O.  Remove the problem again if we added it
5262         locally.
5263
5264 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5265
5266         PR tree-optimization/89730
5267         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5268         -flive-patching=inline-only-static.
5269         (can_inline_edge_by_limits_p): Add the checking for
5270         -flive-patching=inline-only-static and grant always_inline
5271         even when -flive-patching=inline-only-static is specified.
5272
5273 2019-04-03  Jeff Law  <law@redhat.com>
5274
5275         PR rtl-optimization/81025
5276         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5277
5278 2019-04-03  Richard Biener  <rguenther@suse.de>
5279
5280         PR tree-optimization/84101
5281         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5282         regs.h for hard_regno_nregs.
5283         (cfun_returns): New helper.
5284         (vect_model_store_cost): When vectorizing a store to a decl
5285         we return and the function ABI returns in a multi-reg location
5286         account for the possible spilling that will happen.
5287
5288 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5289
5290         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5291         displacement addresses for vector mode operands.
5292
5293 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5294
5295         * config/arc/arc.c (GMASK_LEN): Define.
5296         (arc_restore_callee_saves): Restore first blink when
5297         !optimize_size.
5298
5299 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5300
5301         * doc/extend.texi: Add deprecated comment on sign-return-address
5302         function attribute and add mbranch-protection.
5303         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5304
5305 2019-04-03  Richard Biener  <rguenther@suse.de>
5306
5307         PR lto/89896
5308         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5309         the all target phony.
5310
5311 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5312
5313         PR target/89902
5314         PR target/89903
5315         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5316         Return false for variable DImode shifts.
5317         (dimode_scalar_chain::compute_convert_gain): Do not handle
5318         register count operand in variable DImode shifts.
5319         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5320         count argument of a variable shift instruction to a vector register.
5321         (dimode_scalar_chain::convert_reg): Remove support to convert
5322         count argument of a variable shift instruction.
5323
5324 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5325
5326         PR rtl-optimization/84206
5327         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5328         iterating over loop headers.
5329
5330 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5331
5332         PR rtl-optimization/85876
5333         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5334         beyond the original fence.
5335
5336 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5337
5338         * config.gcc: Mark spu* targets as deprecated/obsolete.
5339
5340 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5341
5342         * config/s390/s390-builtin-types.def: New builtin function type
5343         definitions. Remove unused types.
5344         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5345         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5346         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5347         overloaded builtins.
5348         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5349         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5350         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5351         (vec_double, vec_signed, vec_unsigned): Define to use the new
5352         overloaded builtins.
5353         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5354         Remove expanders.
5355
5356 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5357
5358         * config/s390/s390-builtin-types.def: New builtin function type
5359         definitions.
5360         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5361         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5362         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5363         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5364         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5365         constant definitions.
5366         * config/s390/vecintrin.h (vec_search_string_cc)
5367         (vec_search_string_until_zero_cc): New builtin name definitions.
5368         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5369         expanders.
5370         ("vec_vstrs<mode>"): New insn definition.
5371
5372 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5373
5374         * config/s390/s390-builtin-types.def: Add new builtin function
5375         types.
5376         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5377         New overloaded builtins.
5378         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5379         s390_vsrd.
5380         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5381         (UNSPEC_VEC_SLDBYTE): ... this.
5382         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5383         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5384         definitions.
5385         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5386         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5387         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5388
5389 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5390
5391         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5392         New insn definition.
5393         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5394         * config/s390/vector.md (V_HW_HSD): ... here.
5395
5396 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5397
5398         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5399         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5400         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5401         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5402         New insn definitions.
5403
5404 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5405
5406         * config/s390/s390-builtin-types.def: Add new builtin function type.
5407         * config/s390/s390-builtins.def: Add overloaded builtin
5408         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5409         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5410         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5411         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5412         ("eltswap<mode>"): New expander.
5413         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5414         insn definitions.
5415
5416 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5417
5418         * config/s390/s390-builtin-types.def: Add new builtin function types.
5419         * config/s390/s390-builtins.def: Add overloaded builtin
5420         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5421         instructions.
5422         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5423         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5424         ("bswap<mode>"): New expander.
5425         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5426
5427 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5428
5429         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5430         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5431         vector builtin version number in __VEC__.
5432
5433 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5434
5435         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5436         iterators.
5437         (SFSI): New mode attribute.
5438         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5439         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5440         rename to ...
5441         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5442         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5443         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5444         ("floatsi<mode>2"): Add wcefb instruction.
5445
5446 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5447
5448         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5449         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5450         mode iterators.
5451         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5452         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5453         support 32 bit fp-int conversions. Rename to ...
5454         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5455         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5456         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5457         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5458         ... to these.
5459
5460 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5461
5462         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5463         if-then-else constructs if we can use the select instruction.
5464         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5465
5466 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5467
5468         * config/s390/s390.md ("*popcountdi_arch13_cc")
5469         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5470         definition.
5471         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5472         Append _z196 to make it ...
5473         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5474         ("popcounthi2_z196"): ... this.
5475         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5476         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5477
5478 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5479
5480         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5481         certain compares for arch13 in order to make use of the condition
5482         code result produced by the new instructions.
5483         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5484         nxrk, and nxgrk instruction patterns.
5485         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5486         (inv_no): Add new code iterator together with some attributes.
5487         ("*andc_split_<mode>"): Disable splitter for arch13.
5488         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5489         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5490         ("*<ANDOR:bitops_name>c<GPR:mode>")
5491         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5492         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5493         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5494         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5495
5496 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5497
5498         * common/config/s390/s390-common.c (processor_flags_table): New
5499         entry for arch13.
5500         * config.gcc: Support arch13 with the --with-arch= configure flag.
5501         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5502         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5503         * config/s390/s390.c (s390_get_sched_attrmask)
5504         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5505         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5506         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5507         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5508         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5509         definitions.
5510         * config/s390/s390.opt: Support arch13 as processor type in
5511         command line options.
5512
5513 2019-04-02  Martin Liska  <mliska@suse.cz>
5514
5515         PR translation/89912
5516         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5517         Fix param description of graphite-max-arrays-per-scop.
5518
5519 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5520
5521         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5522         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5523         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5524
5525 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5526
5527         PR rtl-optimization/85412
5528         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5529         sel_sched_region_1, not after.
5530
5531 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5532
5533         PR rtl-optimization/86928
5534         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5535         compute_live if necessary.
5536         (sel_redirect_edge_and_branch): Likewise.
5537
5538 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5539
5540         PR rtl-optimization/89865
5541         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5542         register if it is a part of small class.
5543
5544 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5545
5546         PR rtl-optimization/87273
5547         * sel-sched-ir.c (merge_fences): Remove assert.
5548
5549 2019-04-01  Richard Biener  <rguenther@suse.de>
5550
5551         PR tree-optimization/46590
5552         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5553         (dom_walker::m_reachability): Add in place of...
5554         (dom_walker::m_skip_unreachable_blocks): ...this.
5555         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5556         Move complex initialization ...
5557         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5558         lazily and initialize edge flags on each invocation.
5559         (dom_walker::bb_reachable): Use m_reachability.
5560
5561 2019-04-01  Martin Liska  <mliska@suse.cz>
5562
5563         PR driver/89861
5564         * opt-suggestions.c (option_proposer::build_option_suggestions):
5565         Add variant without any argument in order to provide better
5566         hints.
5567
5568 2019-04-01  Richard Biener  <rguenther@suse.de>
5569
5570         PR c/71598
5571         * gimple.c: Include langhooks.h.
5572         (gimple_get_alias_set): Treat enumeral types as the underlying
5573         integer type.
5574
5575 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5576             Eric Botcazou  <ebotcazou@adacore.com>
5577
5578         PR rtl-optimization/89862
5579         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5580         that operates on the full registers for WORD_REGISTER_OPERATIONS
5581         architectures.
5582
5583 2019-03-29  Jim Wilson  <jimw@sifive.com>
5584
5585         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5586         Clear MASK_RVC and then set if C subset supported.
5587
5588 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5589
5590         PR c/89872
5591         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5592         non-addressable complit into its initializer if it is volatile.
5593
5594 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5595
5596         * opts-common.c (integral_argument): Set errno properly in one case.
5597
5598 2019-03-29  Martin Liska  <mliska@suse.cz>
5599
5600         * doc/invoke.texi: Remove -Wchkp from documentation.
5601
5602 2019-03-29  Martin Liska  <mliska@suse.cz>
5603
5604         * dbgcnt.c (print_limit_reach): New function.
5605         (dbg_cnt): Use it.
5606
5607 2019-03-29  Martin Liska  <mliska@suse.cz>
5608
5609         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5610         (dbg_cnt_process_opt): Parse first tokens aas
5611         dbg_cnt_process_single_pair is also using strtok.
5612
5613 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5614
5615         PR rtl-optimization/87485
5616         * function.c (expand_function_end): Move stack_protect_epilogue
5617         before loading of return value into hard register(s).
5618
5619 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5620
5621         PR middle-end/89621
5622         * tree-inline.h (struct copy_body_data): Add
5623         dont_remap_vla_if_no_change flag.
5624         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5625         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5626         and remap_type_2 returns false.
5627         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5628         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5629         only from where it is copied to nested contexts.
5630
5631 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5632
5633         PR target/89865
5634         * config/i386/i386.md (RMW operation with LEA peephole):
5635         Use LEAMODE mode attribute instead of SWI mode iterator for
5636         LEA pattern.
5637
5638 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5639
5640         PR target/89848
5641         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5642         Also process XEXP (src, 0) of a shift insn.
5643
5644 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5645
5646         PR middle-end/89725
5647         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5648         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5649
5650 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5651
5652         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5653         test.
5654         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5655         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5656         immediately after first one with df_analyze in between, but rather
5657         process all bbs, queueing ones that need second pass in a worklist,
5658         df_analyze, process queued debug insn changes and if second pass is
5659         needed, process bbs from worklist, df_analyze, process queued debug
5660         insns again.
5661
5662         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5663         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5664         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5665
5666 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5667
5668         PR c/79022
5669         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5670         definition.
5671
5672 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5673
5674         PR target/85667
5675         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5676         function for 32-bit MS_ABI.
5677         (function_value_ms_32): New function.
5678
5679 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5680
5681         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5682         (movdi): Call gen_movdi_symbol_save_scc.
5683         (gen_movdi_symbol_save_scc): New insn and split.
5684
5685 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5686
5687         PR rtl-optimization/89313
5688         * function.c (matching_constraint_num): New static function.
5689         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5690         Don't replace inputs with non-matching constraints which conflict
5691         with early clobber outputs.
5692
5693 2019-03-27  Jeff Law  <law@redhat.com>
5694
5695
5696         PR rtl-optimization/87761
5697         PR rtl-optimization/89826
5698         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5699         slightly later.
5700         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5701         note problem to get REG_DEAD/REG_UNUSED notes updated.
5702
5703 2019-03-27  Richard Biener  <rguenther@suse.de>
5704
5705         PR tree-optimization/89463
5706         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5707         queue edges to remove.
5708         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5709         dead stmts.  Delay edge removal until PHIs are removed to
5710         make debug-stmt creation not confused by seemingly degenerate
5711         PHIs.
5712
5713 2019-03-27  Alan Modra  <amodra@gmail.com>
5714
5715         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5716         throughout file.
5717         * config/rs6000/darwin.h: Likewise.
5718         * config/rs6000/rs6000.c: Likewise.
5719
5720 2019-03-27  Alan Modra  <amodra@gmail.com>
5721
5722         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5723         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5724
5725 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5726             Jim Wilson  <jimw@sifive.com>
5727
5728         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5729         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5730         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5731         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5732         (generic_alu): Add auipc to type list.
5733         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5734         (riscv_microarchitecture): Declare.
5735         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5736         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5737         field.
5738         (riscv_microarchitecture): New.
5739         (sifive_7_tune_info): New.
5740         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5741         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5742         entries.
5743         (riscv_store_data_bypass_p): New.
5744         (riscv_option_override): Set riscv_microarchitecture from
5745         cpu->microarchitecture.
5746         * config/riscv/riscv.md: Include sifive-7.md.
5747         (type): Add auipc.
5748         (tune): New.
5749         (auipc<mode>): Change type to auipc.
5750         (restore_stack_nonlocal): New.
5751         * config/riscv/sifive-7.md: New.
5752         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5753
5754 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5755
5756         PR target/89827
5757         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5758         Also process XEXP (src, 0) of a shift insn.
5759
5760 2019-03-26  Richard Biener  <rguenther@suse.de>
5761
5762         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5763         (copy_debug_stmt): Likewise.
5764         (expand_call_inline): Likewise.
5765         (copy_bb): Avoid redundant lookup & set of gimple_block.
5766         * gimple-low.c (lower_gimple_return): Likewise.
5767         (lower_builtin_setjmp): Likewise.
5768
5769 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5770
5771         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5772         is constant 0, turn into static const data member initialized to false.
5773         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5774         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5775
5776 2019-03-26  Jason Merrill  <jason@redhat.com>
5777             Jakub Jelinek  <jakub@redhat.com>
5778
5779         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5780         method.
5781         (mem_alloc_description::release_object_overhead): Fix comment typos.
5782         * hash-table.h (hash_table::~hash_table): Call
5783         release_instance_overhead only if m_entries is non-NULL, otherwise
5784         call unregister_descriptor.
5785
5786 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5787
5788         PR tree-optimization/81740
5789         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5790         In case of outer loop vectorization, check for backward dependence
5791         at the inner loop if outer loop dependence is reversed.
5792
5793 2019-03-26  Alan Modra  <amodra@gmail.com>
5794
5795         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5796         rs6000_vector_mem init.  Correct wI and wJ comment.
5797
5798 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5799
5800         PR rtl-optimization/88347
5801         PR rtl-optimization/88423
5802         * sched-deps.c (sched_analyze_insn): Take into account that for
5803         tablejumps the barrier appears after a label and a jump_table_data.
5804
5805 2019-03-25  Martin Sebor  <msebor@redhat.com>
5806
5807         PR c/89812
5808         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5809         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5810         convert it to UHWI when it fits.
5811
5812 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5813
5814         PR debug/86964
5815         * dwarf2out.c (premark_used_variables): New function.
5816         (prune_unused_types_walk): Do not mark not premarked external
5817         variables.
5818         (prune_unused_types): Call premark_used_variables.
5819
5820 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5821
5822         PR rtl-optimization/89676
5823         * lra-constraints.c (curr_insn_transform): Do match reload for
5824         early clobbers when the match was successful only for different
5825         registers.
5826
5827 2019-03-25  Martin Sebor  <msebor@redhat.com>
5828
5829         * doc/extend.texi (Common Type Attributes): Document vector_size.
5830         (Common Variable Attributes): Mention size constraint.  Correct
5831         quoting and typos.
5832         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5833         base type and size constraints.
5834
5835 2019-03-25  Richard Biener  <rguenther@suse.de>
5836
5837         PR tree-optimization/89789
5838         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5839         changes from non-undefined back to undefined.
5840
5841 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5842
5843         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5844         heap string and a gc string, but since this variable is unknown to
5845         ggc the gc string might get reused and corrupted. Fixed by always
5846         using a heap string.
5847
5848 2019-03-25  Richard Biener  <rguenther@suse.de>
5849
5850         PR tree-optimization/89779
5851         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5852         to remove IV defs, delay actual removal.
5853         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5854         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5855         very end, properly also reset loop control IV information.
5856
5857 2019-03-25  Richard Biener  <rguenther@suse.de>
5858
5859         PR tree-optimization/89802
5860         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5861         move EH data to folded stmt.
5862
5863 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5864
5865         * config/s390/s390-builtin-types.def: Remove few unused types and
5866         fix sort order for others.
5867
5868 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5869
5870         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5871         expected and found types with -mdebug during builtin matching.
5872
5873 2019-03-25  Richard Biener  <rguenther@suse.de>
5874
5875         PR middle-end/89790
5876         * fold-const.c (operand_equal_p): Revert last change with
5877         updated comment.
5878
5879 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5880
5881         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5882         notes for the result of the __tls_get_addr calls.
5883         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5884
5885 2019-03-24  Jeff Law  <law@redhat.com>
5886
5887         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5888
5889         PR rtl-optimization/87761
5890         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5891         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5892         as needed.
5893         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5894         rescans.  Reprocess blocks as needed, calling df_analyze before
5895         reprocessing.  Always call df_analyze before fixing up debug bind
5896         insns.
5897
5898 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5899
5900         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5901         big endian.
5902
5903 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5904
5905         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5906         attrribute for uxtw.
5907
5908 2019-03-26  Jeff Law  <law@redhat.com>
5909
5910         PR rtl-optimization/87761
5911         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5912         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5913         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5914         into the next instruction.
5915         (mips_split_move_insn): Pass INSN through to mips_split_move.
5916
5917 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5918
5919         PR rtl-optimization/89676
5920         * lra-constraints.c (curr_insn_transform): Do match reload for
5921         early clobbers even if the match was successful.
5922
5923 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5924
5925         PR c++/87481
5926         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5927
5928 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5929
5930         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5931
5932 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5933
5934         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5935         <avx512>_fmsub_<mode>_mask3<round_name>,
5936         <avx512>_fnmadd_<mode>_mask3<round_name>,
5937         <avx512>_fnmsub_<mode>_mask3<round_name>,
5938         avx512f_vmfmadd_<mode>_mask3<round_name>,
5939         avx512f_vmfmsub_<mode>_mask3<round_name>,
5940         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5941         instead of register_operand and %v instead of v for match_operand 1.
5942         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5943         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5944         <round_nimm_predicate> instead of register_operand and %v instead of v
5945         for match_operand 1.
5946
5947         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5948         <avx512>_fmadd_<mode>_mask3<round_name>,
5949         <avx512>_fmsub_<mode>_mask<round_name>,
5950         <avx512>_fmsub_<mode>_mask3<round_name>,
5951         <avx512>_fnmadd_<mode>_mask<round_name>,
5952         <avx512>_fnmadd_<mode>_mask3<round_name>,
5953         <avx512>_fnmsub_<mode>_mask<round_name>,
5954         <avx512>_fnmsub_<mode>_mask3<round_name>,
5955         <avx512>_fmaddsub_<mode>_mask<round_name>,
5956         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5957         <avx512>_fmsubadd_<mode>_mask<round_name>,
5958         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5959         <round_nimm_predicate> instead of nonimmediate_operand.
5960         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5961         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5962         Use register_operand instead of <round_nimm_predicate> for the
5963         operand that needs to match output.
5964         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5965         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5966         Likewise.  Formatting fixes.
5967
5968         PR target/89784
5969         * config/i386/i386.c (enum ix86_builtins): Remove
5970         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5971         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5972         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5973         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5974         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5975         __builtin_ia32_vfmsubss3_mask3): New builtins.
5976         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5977         avx512f_vmfmadd_<mode>_mask3<round_name>,
5978         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5979         *avx512f_vmfmsub_<mode>_mask<round_name>,
5980         avx512f_vmfmsub_<mode>_mask3<round_name>,
5981         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5982         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5983         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5984         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5985         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5986         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5987         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5988         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5989         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5990         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5991         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5992         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5993         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5994         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5995         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5996         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5997         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5998         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5999         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6000         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6001         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6002         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6003         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6004         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6005         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6006         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6007         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6008         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6009
6010 2019-03-21  Martin Sebor  <msebor@redhat.com>
6011
6012         PR tree-optimization/89350
6013         * builtins.c (compute_objsize): Also ignore offsets whose upper
6014         bound is negative.
6015         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6016         (builtin_memref::builtin_memref): Initialize new member.
6017         Allow EXPR to be null.
6018         (builtin_memref::extend_offset_range): Replace local with a member.
6019         Avoid assuming pointer offsets are unsigned.
6020         (builtin_memref::set_base_and_offset): Determine base object
6021         before computing offset range.
6022         (builtin_access::builtin_access): Handle memset.
6023         (builtin_access::generic_overlap): Replace local with a member.
6024         (builtin_access::strcat_overlap): Same.
6025         (builtin_access::overlap): Same.
6026         (maybe_diag_overlap): Same.
6027         (maybe_diag_access_bounds): Same.
6028         (wrestrict_dom_walker::check_call): Handle memset.
6029         (check_bounds_or_overlap): Same.
6030
6031 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6032             Jakub Jelinek  <jakub@redhat.com>
6033
6034         PR lto/89692
6035         * tree.c (fld_type_variant, fld_incomplete_type_of,
6036         fld_process_array_type): Call fld->pset.add and don't call
6037         add_tree_to_fld_list if it returns true.
6038         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6039         non-marked types from TYPE_NEXT_VARIANT list.
6040         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6041
6042 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6043
6044         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6045         to false, if true, don't alloc_entries during construction, but defer
6046         it to the first method that needs m_entries allocated.
6047         (hash_table::hash_table, hash_table::~hash_table,
6048         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6049         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6050         hash_table::clear_slot, hash_table::traverse_noresize,
6051         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6052         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6053         false.
6054         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6055         NO_INSERT instead of find_with_hash.
6056         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6057         hash_set::m_table): Add Lazy to template params of hash_table.
6058         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6059         * attribs.c (test_attribute_exclusions): Likewise.
6060         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6061         hash_set.  Add tests for hash_set with Lazy = true.
6062
6063 2019-03-21  Richard Biener  <rguenther@suse.de>
6064
6065         PR tree-optimization/89779
6066         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6067         checks with respect to released SSA names now having error_mark_node
6068         type.
6069         * fold-const.c (operand_equal_p): Likewise.
6070
6071 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6072
6073         PR target/89775
6074         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6075         available to ...
6076         (s390_optimize_register_info): Use global_not_special_regno_p to
6077         check for global regs.
6078
6079 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6080
6081         PR target/89752
6082         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6083         update this_alternative nor this_alternative_set.
6084
6085 2019-03-19  Jim Wilson  <jimw@sifive.com>
6086
6087         PR target/89411
6088         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6089         align, size, offset.  Use them to handle a BLKmode reference.  Update
6090         comment.
6091         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6092
6093 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6094
6095         PR rtl-optimization/89768
6096         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6097         instead of GEN_INT.
6098         (unroll_loop_runtime_iterations): Likewise.
6099
6100 2019-03-19  Martin Sebor  <msebor@redhat.com>
6101
6102         PR tree-optimization/89644
6103         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6104         rather than endptr as an indicator of nul-termination.
6105
6106         PR tree-optimization/89644
6107         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6108         arrays in determining sequence sizes in strncpy and stpncpy.
6109
6110 2019-03-19  Martin Liska  <mliska@suse.cz>
6111
6112         PR middle-end/89737
6113         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6114         unlikely_edges if there's an edge that belongs to both these sets.
6115
6116 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6117
6118         PR target/89746
6119         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6120         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6121         go via a stack temporary.
6122
6123 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6124
6125         PR target/89378
6126         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6127         instead of gen_rtx_SUBREG.
6128         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6129
6130 2019-03-19  Richard Biener  <rguenther@suse.de>
6131
6132         PR debug/88389
6133         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6134
6135 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6136
6137         PR lto/87809
6138         PR lto/89335
6139         * tree.c (free_lang_data_in_decl): Do not free context of C++
6140         destrutors.
6141
6142 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6143
6144         PR target/89506
6145         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6146         subs for the first alternative except when operands[3] is 1.
6147
6148         PR target/89752
6149         * gimplify.c (gimplify_asm_expr): For output argument with
6150         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6151         diagnose error.
6152
6153 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6154
6155         PR rtl-optimization/89753
6156         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6157         explicit unrolling factor even more robust.
6158
6159 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6160
6161         PR target/89726
6162         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6163         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6164         signed zeros, do another copysign after the compensation.
6165
6166 2019-03-18  Martin Sebor  <msebor@redhat.com>
6167
6168         PR tree-optimization/89720
6169         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6170         more conservatively, the same as anti-range.
6171
6172 2019-03-18  Richard Biener  <rguenther@suse.de>
6173
6174         PR middle-end/88945
6175         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6176         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6177         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6178         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6179
6180 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6181
6182         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6183         Extend queue to 1024 entries.
6184         Add "consumed" field.
6185         (gomp_print_output): Remove print_index parameter.
6186         Add final parameter.
6187         Change limit to unsigned.
6188         Use consumed field to implement circular buffer.
6189         Detect interrupted print in final pass.
6190         Flush output at the end.
6191         (run): Update gomp_print_output usage.
6192         (main): Initialize kernargs->output_data.consumed.
6193
6194 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6195
6196         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6197         calculation of the minimum number of scalar iterations for
6198         fully-predicated loops.
6199
6200 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6201
6202         PR tree-optimization/89546
6203         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6204         any propagation to its children took place.
6205
6206 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6207
6208         PR target/89627
6209         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6210         parameter, and make use of it.
6211         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6212
6213 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6214
6215         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6216         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6217         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6218         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6219         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6220         match what the ops is doing.
6221         (push_multi_fp_blink): Likewise.
6222         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6223         compiling for size and elf target.
6224         (arc_save_callee_enter): Adjust note to match what enter/leave
6225         operation does.
6226
6227 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6228
6229         * config/arc/arc.md (tst_movb): Fix constraint.
6230
6231 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6232
6233         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6234
6235 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6236
6237         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6238         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6239         reg_alloc_order references.
6240         (size_alloc_order): Define.
6241         (arc_adjust_reg_alloc_order): New function.
6242         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6243         order.
6244         (ADJUST_REG_ALLOC_ORDER): Define.
6245         (HONOR_REG_ALLOC_ORDER): Likewise.
6246
6247 2019-03-18  Richard Biener  <rguenther@suse.de>
6248
6249         PR target/87561
6250         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6251         loads and stores a bit more.
6252
6253 2019-03-18  Richard Biener  <rguenther@suse.de>
6254
6255         PR target/87561
6256         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6257         load pessimization to stores as well.
6258
6259 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6260
6261         PR middle-end/86979
6262         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6263         successor, use NULL as its av set.
6264
6265 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6266
6267         PR rtl-optimization/89721
6268         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6269
6270 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6271
6272         PR target/87532
6273         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6274         When handling vec_extract, use modular arithmetic to allow
6275         constant selectors greater than vector length.
6276         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6277         V1TImode vectors to have constant selector values greater than 0.
6278         Use modular arithmetic to compute vector index.
6279         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6280         index for in-memory vectors.  Correct code generation for
6281         in-register vectors.
6282         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6283         compute index.
6284
6285 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6286
6287         PR c++/88534
6288         PR c++/88537
6289         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6290         VAR_DECL args.
6291
6292 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6293
6294         PR c++/89709
6295         * tree.c (inchash::add_expr): Strip any location wrappers.
6296         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6297         after hash verification.
6298
6299         PR debug/89704
6300         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6301         SIGN_EXTEND and ZERO_EXTEND.
6302
6303 2019-03-14  Jason Merrill  <jason@redhat.com>
6304             Jakub Jelinek  <jakub@redhat.com>
6305
6306         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6307         than if is_empty (*slot).
6308         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6309         existing elt and for elt removal.
6310         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6311         of already removed elt.
6312
6313 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6314
6315         PR target/89650
6316         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6317         REG_EH_REGION note.
6318
6319 2019-03-14  Martin Liska  <mliska@suse.cz>
6320
6321         PR other/89712
6322         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6323
6324 2019-03-14  Richard Biener  <rguenther@suse.de>
6325
6326         PR target/89711
6327         * config/i386/i386.c (make_resolver_func): Properly set
6328         DECL_CONTEXT on the RESULT_DECL.
6329         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6330
6331 2019-03-14  Richard Biener  <rguenther@suse.de>
6332
6333         * gimple-pretty-print.c: Include cfgloop.h.
6334         (dump_gimple_phi): Adjust.
6335         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6336         (pp_cfg_jump): Adjust.
6337         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6338         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6339         (lower_phi_internal_fn): Remove.
6340         (verify_gimple_call): Remove IFN_PHI special-casing.
6341         (dump_function_to_file): Dump IL state.
6342         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6343         done to deal with PHI nodes being present in non-SSA state.
6344
6345 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6346
6347         PR ipa/89684
6348         * multiple_target.c (create_dispatcher_calls): Change
6349         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6350         In the node->iterate_referring loop, push *ref rather than ref, call
6351         ref->remove_reference () and always pass 0 to iterate_referring.
6352
6353         PR rtl-optimization/89679
6354         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6355         would contain a paradoxical SUBREG.
6356
6357 2019-03-14  Richard Biener  <rguenther@suse.de>
6358
6359         PR tree-optimization/89710
6360         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6361         safe_dyn_cast.
6362
6363 2019-03-14  Martin Liska  <mliska@suse.cz>
6364
6365         * coverage.c (coverage_begin_function): Stream also
6366         end_column.
6367         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6368         documentation about function declaration location.
6369         * gcov-dump.c (tag_function): Print whole range
6370         of function declaration.
6371         * gcov.c (struct function_info): Add end_column field.
6372         (function_info::function_info): Initialize it.
6373         (output_json_intermediate_file): Output {start,end}_column
6374         fields.
6375         (read_graph_file): Read end_column.
6376
6377 2019-03-14  Richard Biener  <rguenther@suse.de>
6378
6379         PR middle-end/89698
6380         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6381         that the access types are similar.
6382
6383 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6384
6385         PR tree-optimization/89703
6386         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6387         aren't compatible also with builtin_decl_explicit.  Check pure
6388         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6389         and BUILT_IN_STPNCPY{,_CHK}.
6390
6391 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6392
6393         PR target/89523
6394         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6395         addr32 prefix to VSIB address for X32.
6396         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6397         "%M2" to opcode.
6398         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6399         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6400         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6401         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6402         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6403         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6404         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6405         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6406         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6407         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6408         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6409         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6410         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6411         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6412         (*avx512f_scatterdi<mode>): Likewise.
6413
6414 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6415
6416         PR target/85860
6417         * lra-constraints.c (inherit_in_ebb): Update
6418         potential_reload_hard_regs along with live_hard_regs.
6419
6420 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6421
6422         PR debug/89498
6423         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6424         DWARF_OFFSET_SIZE.
6425         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6426
6427 2019-03-13  Martin Sebor  <msebor@redhat.com>
6428
6429         PR tree-optimization/89662
6430         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6431         has a size.
6432
6433 2019-03-13  Richard Biener  <rguenther@suse.de>
6434
6435         PR middle-end/89677
6436         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6437         throw FP expressions at tree-affine.
6438
6439 2019-03-14  Richard Biener  <rguenther@suse.de>
6440
6441         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6442         dump negative integer constants using _Literal (type) -num.
6443
6444 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6445
6446         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6447         nonlocal_value member.
6448
6449         PR middle-end/88588
6450         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6451         (ipa_simd_modify_function_body): Handle PHIs.
6452
6453 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6454
6455         * config/s390/s390.c (s390_option_override_internal): Use more
6456         aggressive inlining parameters.
6457
6458 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6459
6460         * config/s390/3906.md: New file.
6461         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6462         (LONGRUNNING_THRESHOLD): Remove.
6463         (MAX_SCHED_MIX_SCORE): Decrease.
6464         (MAX_SCHED_MIX_DISTANCE): Decrease.
6465         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6466         (struct s390_sched_state): New struct to hold scheduling state.
6467         (S390_SCHED_STATE_NORMAL): Remove.
6468         (S390_SCHED_STATE_CRACKED): Remove.
6469         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6470         (s390_get_sched_attrmask): Use new attribute.
6471         (s390_get_unit_mask): Use new units.
6472         (s390_is_fpd): New function.
6473         (s390_is_fxd): New function.
6474         (s390_is_longrunning): New function.
6475         (s390_sched_score): Use new functions.
6476         (s390_sched_reorder): Likewise.
6477         (s390_sched_variable_issue): Rework and use new functions.
6478         (s390_sched_init): Use new functions.
6479         * config/s390/s390.h (s390_tune_attr):  Add z14.
6480         * config/s390/s390.md: Add z14.
6481
6482 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6483
6484         * config/s390/2964.md: Update pipeline description.
6485         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6486         (LONGRUNNING_THRESHOLD): Remove.
6487         (LATENCY_FACTOR): Remove.
6488         (s390_get_unit_mask): Add unit.
6489         (s390_sched_score): Use fxd/fpd.
6490         (s390_sched_variable_issue): Use fxd/fpd.
6491
6492 2019-03-12  Martin Liska  <mliska@suse.cz>
6493
6494         * config/i386/i386.c: Reword an error message.
6495
6496 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6497
6498         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6499         terminate with newline.
6500
6501 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6502
6503         PR target/52726
6504         * config/s390/s390.md (tabort): Use %wd instead of
6505         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6506         letters and periods.
6507         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6508         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6509         's with %< and %>.
6510
6511         PR middle-end/89663
6512         * builtins.c (expand_builtin_int_roundingfn,
6513         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6514         gcc_unreachable if validate_arglist fails.
6515
6516 2019-03-12  Richard Biener  <rguenther@suse.de>
6517
6518         PR tree-optimization/89664
6519         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6520         free the occurance tree after the early out.
6521
6522 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6523
6524         PR middle-end/89655
6525         PR bootstrap/89656
6526         * vr-values.c (vr_values::update_value_range): If
6527         old_vr->varying_p (), don't update it, make new_vr also VARYING
6528         and return false.
6529
6530 2019-03-11  Martin Liska  <mliska@suse.cz>
6531
6532         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6533         Fix double string quoting.
6534
6535 2019-03-11  Martin Liska  <mliska@suse.cz>
6536
6537         * collect-utils.c (collect_wait): Wrap apostrophes
6538         in gcc internal format with %'.
6539         * collect2.c (main): Likewise.
6540         (scan_prog_file): Likewise.
6541         (scan_libraries): Likewise.
6542         * config/i386/i386.c (ix86_expand_call): Likewise.
6543         (ix86_handle_interrupt_attribute): Likewise.
6544         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6545         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6546         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6547         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6548         * symtab.c (symtab_node::verify_base): Likewise.
6549         * tree-cfg.c (verify_gimple_label): Likewise.
6550         * tree.c (verify_type_variant): Likewise.
6551
6552 2019-03-11  Martin Liska  <mliska@suse.cz>
6553
6554         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6555         in a string format message and fix GNU coding style.
6556         (expand_builtin_set_thread_pointer): Likewise.
6557         * common/config/aarch64/aarch64-common.c
6558         (aarch64_rewrite_selected_cpu): Likewise.
6559         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6560         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6561         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6562         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6563         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6564         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6565         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6566         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6567         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6568         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6569         Likewise.
6570         * common/config/riscv/riscv-common.c
6571         (riscv_subset_list::parsing_subset_version): Likewise.
6572         (riscv_subset_list::parse_std_ext): Likewise.
6573         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6574         (riscv_subset_list::parse): Likewise.
6575         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6576         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6577         (aarch64_override_options_internal): Likewise.
6578         (aarch64_validate_mcpu): Likewise.
6579         (aarch64_validate_march): Likewise.
6580         (aarch64_validate_mtune): Likewise.
6581         (aarch64_override_options): Likewise.
6582         * config/alpha/alpha.c (alpha_option_override): Likewise.
6583         * config/arc/arc.c (arc_init): Likewise.
6584         (parse_mrgf_banked_regs_option): Likewise.
6585         (arc_override_options): Likewise.
6586         (arc_expand_builtin_aligned): Likewise.
6587         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6588         (arm_expand_builtin): Likewise.
6589         * config/arm/arm.c (arm_option_check_internal): Likewise.
6590         (arm_configure_build_target): Likewise.
6591         (arm_option_override): Likewise.
6592         (arm_options_perform_arch_sanity_checks): Likewise.
6593         (arm_handle_cmse_nonsecure_entry): Likewise.
6594         (arm_handle_cmse_nonsecure_call): Likewise.
6595         (arm_tls_referenced_p): Likewise.
6596         (thumb1_expand_prologue): Likewise.
6597         * config/avr/avr.c (avr_option_override): Likewise.
6598         * config/bfin/bfin.c (bfin_option_override): Likewise.
6599         * config/c6x/c6x.c (c6x_option_override): Likewise.
6600         * config/cr16/cr16.c (cr16_override_options): Likewise.
6601         * config/cris/cris.c (cris_option_override): Likewise.
6602         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6603         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6604         * config/darwin.c (darwin_override_options): Likewise.
6605         * config/frv/frv.c (frv_expand_builtin): Likewise.
6606         * config/h8300/h8300.c (h8300_option_override): Likewise.
6607         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6608         (ix86_option_override_internal): Likewise.
6609         (warn_once_call_ms2sysv_xlogues): Likewise.
6610         (ix86_expand_prologue): Likewise.
6611         (split_stack_prologue_scratch_regno): Likewise.
6612         (ix86_warn_parameter_passing_abi): Likewise.
6613         * config/ia64/ia64.c (fix_range): Likewise.
6614         * config/m68k/m68k.c (m68k_option_override): Likewise.
6615         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6616         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6617         (mips_set_compression_mode): Likewise.
6618         * config/mmix/mmix.c (mmix_option_override): Likewise.
6619         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6620         * config/msp430/msp430.c (msp430_option_override): Likewise.
6621         * config/nds32/nds32.c (nds32_option_override): Likewise.
6622         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6623         (nios2_option_override): Likewise.
6624         (nios2_expand_custom_builtin): Likewise.
6625         * config/nvptx/mkoffload.c (main): Likewise.
6626         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6627         * config/pa/pa.c (fix_range): Likewise.
6628         (pa_option_override): Likewise.
6629         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6630         (riscv_option_override): Likewise.
6631         * config/rl78/rl78.c (rl78_option_override): Likewise.
6632         * config/rs6000/aix61.h: Likewise.
6633         * config/rs6000/aix71.h: Likewise.
6634         * config/rs6000/aix72.h: Likewise.
6635         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6636         * config/rs6000/freebsd64.h: Likewise.
6637         * config/rs6000/linux64.h: Likewise.
6638         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6639         (rs6000_expand_zeroop_builtin): Likewise.
6640         (rs6000_expand_mtfsb_builtin): Likewise.
6641         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6642         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6643         (rs6000_invalid_builtin): Likewise.
6644         (rs6000_expand_split_stack_prologue): Likewise.
6645         * config/rs6000/rtems.h: Likewise.
6646         * config/rx/rx.c (valid_psw_flag): Likewise.
6647         (rx_expand_builtin): Likewise.
6648         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6649         * config/s390/s390.c (s390_expand_builtin): Likewise.
6650         (s390_function_profiler): Likewise.
6651         (s390_option_override_internal): Likewise.
6652         (s390_option_override): Likewise.
6653         * config/sh/sh.c (sh_option_override): Likewise.
6654         (sh_builtin_saveregs): Likewise.
6655         (sh_fix_range): Likewise.
6656         * config/sh/vxworks.h: Likewise.
6657         * config/sparc/sparc.c (sparc_option_override): Likewise.
6658         * config/spu/spu.c (spu_option_override): Likewise.
6659         (fix_range): Likewise.
6660         * config/visium/visium.c (visium_option_override): Likewise.
6661         (visium_handle_interrupt_attr): Likewise.
6662         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6663         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6664         (dbg_cnt_process_opt): Likewise.
6665         * dwarf2out.c (output_dwarf_version): Likewise.
6666         * except.c (expand_eh_return): Likewise.
6667         * gcc.c (defined): Likewise.
6668         (driver_handle_option): Likewise.
6669         (process_command): Likewise.
6670         (compare_files): Likewise.
6671         (driver::prepare_infiles): Likewise.
6672         (driver::do_spec_on_infiles): Likewise.
6673         (driver::maybe_run_linker): Likewise.
6674         * omp-offload.c (oacc_parse_default_dims): Likewise.
6675         * opts-global.c (handle_common_deferred_options): Likewise.
6676         * opts.c (parse_sanitizer_options): Likewise.
6677         (common_handle_option): Likewise.
6678         (enable_warning_as_error): Likewise.
6679         * passes.c (enable_disable_pass): Likewise.
6680         * plugin.c (parse_plugin_arg_opt): Likewise.
6681         (default_plugin_dir_name): Likewise.
6682         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6683         (default_pch_valid_p): Likewise.
6684         * toplev.c (init_asm_output): Likewise.
6685         (process_options): Likewise.
6686         (toplev::run_self_tests): Likewise.
6687         * tree-cfg.c (verify_gimple_call): Likewise.
6688         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6689         (tree_inlinable_function_p): Likewise.
6690         * var-tracking.c (vt_find_locations): Likewise.
6691
6692 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6693
6694         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6695         only on the else branch.
6696
6697 2019-03-11  Martin Liska  <mliska@suse.cz>
6698
6699         * gcov.c (output_intermediate_json_line): Print function
6700         name of each line.
6701         (output_json_intermediate_file): Add new argument.
6702         * doc/gcov.texi: Document the change.
6703
6704 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6705
6706         PR rtl-optimization/89588
6707         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6708         explicit unrolling factor more robust.
6709
6710 2019-03-11  Richard Biener  <rguenther@suse.de>
6711
6712         PR tree-optimization/89649
6713         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6714         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6715         on the prolog and epilog loops.
6716         (vect_loop_versioning): Return copy of loop.
6717         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6718         on the non-vectorized version of the loop.
6719
6720 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6721
6722         PR target/68924
6723         * config/i386/sse.md (*vec_extractv2di_0_sse):
6724         Add (=r,x) alternative and corresponding splitter.
6725
6726 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6727
6728         PR tree-optimization/85762
6729         PR tree-optimization/87008
6730         PR tree-optimization/85459
6731         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6732         it points to if there is a type changing MEM_REF.  Adjust all callers.
6733         (build_accesses_from_assign): Disable total scalarization if
6734         contains_vce_or_bfcref_p returns true through the new parameter, for
6735         both rhs and lhs.
6736
6737 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6738
6739         PR c/88568
6740         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6741         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6742
6743         PR target/79645
6744         * common.opt (fdiagnostics-show-labels,
6745         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6746         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6747         gas-locview-support, ginline-points, ginternal-reset-location-views):
6748         Terminate description text with a dot.
6749         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6750         * config/mcore/mcore.opt (m210, m340): Likewise.
6751         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6752         mnops=): Start description text with a capital letter.
6753         * config/arc/arc.opt (msize-level=): Likewise.
6754         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6755         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6756         mnewlib): Likewise.
6757         * config/ft32/ft32.opt (msim): Likewise.
6758         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6759         (mnodiv, mnopm): Terminate description text with a dot.
6760         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6761         a colon.
6762         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6763         Likewise.
6764         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6765         text.
6766
6767         PR rtl-optimization/89634
6768         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6769         are modified in BB_END (e->src) instruction.
6770
6771 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6772
6773         PR target/79926
6774         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6775         messages more amenable to translation, and improve wording.
6776
6777 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6778
6779         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6780         ud- and du-chains between phases.
6781
6782 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6783
6784         PR debug/89631
6785         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6786         instead of POLY_INT_CST.
6787
6788 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6789
6790         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6791         requirement.
6792
6793 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6794
6795         PR target/68924
6796         PR target/78782
6797         PR target/87558
6798         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6799         (_mm_storeu_si64): Ditto.
6800
6801 2019-03-08  Martin Liska  <mliska@suse.cz>
6802
6803         PR target/86952
6804         * config/i386/i386.c (ix86_option_override_internal): Disable
6805         jump tables when retpolines are used.
6806
6807 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6808
6809         PR go/63560
6810         * ipa-split.c (execute_split_functions): Do not split
6811         'noinline' or 'section' function.
6812
6813 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6814
6815         PR target/79846
6816         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6817         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6818         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6819
6820         PR ipa/80000
6821         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6822         from diagnostics.  Formatting fixes.
6823
6824         PR target/85665
6825         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6826         warn_odr diagnostics.
6827
6828         PR other/80058
6829         * lra-constraints.c (process_alt_operands): Avoid one space before
6830         " at the end of line and another after " on another line in a string
6831         literal.
6832         * attribs.c (handle_dll_attribute): Likewise.
6833         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6834
6835         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6836         warning_at or inform messages in G_() if there is no ?:.
6837
6838         PR tree-optimization/89550
6839         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6840         returned true.  Formatting fixes.
6841         (expand_builtin_strnlen): Formatting fixes.
6842         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6843         if warning_at returned true.
6844         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6845
6846 2019-03-08  Richard Biener  <rguenther@suse.de>
6847
6848         PR middle-end/89578
6849         * cfgloop.h (struct loop): Add owned_clique field.
6850         * cfgloopmanip.c (copy_loop_info): Copy it.
6851         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6852         cliques.
6853         * tree-inline.c (copy_loops): Remap owned_clique.
6854         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6855         * lto-streamer-out.c (output_cfg): Likewise.
6856
6857 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6858
6859         PR target/80190
6860         * config/darwin.c: Include intl.h.
6861         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6862         composing the message out of two separate parts.
6863
6864 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6865
6866         PR target/80003
6867         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6868         doesn't start with a capital letter and doesn't end with a dot.
6869         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6870         with a capital letter.
6871         (ix86_mangle_function_version_assembler_name): Likewise.
6872         (ix86_generate_version_dispatcher_body): Likewise.
6873         (fold_builtin_cpu): Likewise.
6874         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6875         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6876         translators, wrap full type name in %qs.
6877
6878         PR translation/79999
6879         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6880         depend clause with source (or sink) modifier.
6881         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6882
6883         PR target/89602
6884         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6885         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6886         (avx512f_load<mode>_mask): New define_expand.
6887         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6888         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6889         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6890         __builtin_ia32_movess_mask): New builtins.
6891         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6892         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6893         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6894         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6895
6896 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6897
6898         PR lto/87525
6899         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6900         for extern inline functions.
6901
6902 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6903
6904         PR ipa/88235
6905         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6906         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6907         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6908         have multiple callees.  At the end check if declarations match as
6909         opposed to cgraph_nodes.
6910
6911 2019-03-07  Martin Liska  <mliska@suse.cz>
6912
6913         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6914         which is equivalent to searching for this in clones chain.
6915         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6916         names with a neighbour and special case first node in a chain.
6917
6918 2019-01-25  Jason Merrill  <jason@redhat.com>
6919
6920         PR c++/80916 - spurious "static but not defined" warning.
6921         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6922         for an internal symbol with DECL_EXTERNAL.
6923
6924 2019-04-07  Richard Biener  <rguenther@suse.de>
6925
6926         PR middle-end/89618
6927         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6928         * tree-inline.c (copy_loops): Simplify.
6929
6930 2019-03-07  Martin Liska  <mliska@suse.cz>
6931
6932         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6933
6934 2019-03-07  Richard Biener  <rguenther@suse.de>
6935
6936         PR tree-optimization/89595
6937         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6938         stmt iterator as reference, take boolean output parameter to
6939         indicate whether the stmt was removed and thus the iterator
6940         already advanced.
6941         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6942         stmts created by folding.
6943
6944 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6945
6946         PR c++/89585
6947         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6948         at toplevel.
6949
6950 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6951
6952         PR rtl-optimization/88845
6953         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6954         LRA.
6955         * lra.c (remove_scratches_1): New function.
6956         (remove_scratches): Use it.
6957         (lra_emit_move): Likewise.
6958
6959 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6960
6961         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6962         unaligned_access variable.
6963         * config/arc/arc.c (arc_override_options): Set unaligned access
6964         default on for HS CPUs.
6965         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6966
6967 2019-03-06  Martin Liska  <mliska@suse.cz>
6968
6969         PR gcov-profile/89577
6970         * doc/gcov.texi: Prefer to use --coverage.
6971         * doc/sourcebuild.texi: Likewise.
6972
6973 2019-03-02  Jason Merrill  <jason@redhat.com>
6974
6975         PR c++/86485 - -Wmaybe-unused with empty class ?:
6976         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6977
6978 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6979
6980         PR target/89587
6981         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6982         if_multiarch.
6983
6984         PR middle-end/89590
6985         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6986         exactly one argument.
6987
6988 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6989             Richard Sandiford  <richard.sandiford@arm.com>
6990
6991         PR tree-optimization/89570
6992         * match.pd (vec_cond into cond_op simplification): Don't use
6993         get_conditional_internal_fn, use as_internal_fn (cond_op).
6994
6995 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6996
6997         PR target/89222
6998         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6999         to decide when to split off a non-zero offset from a symbol.
7000         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7001         in function symbols.
7002
7003 2019-03-05  Richard Biener  <rguenther@suse.de>
7004
7005         PR tree-optimization/89594
7006         * tree-if-conv.c (pass_if_conversion::execute): Handle
7007         case where .LOOP_VECTORIZED_FUNCTION was removed.
7008
7009 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7010
7011         PR bootstrap/89560
7012         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7013         instead alloca it only when needed with the needed size.
7014
7015         PR tree-optimization/89570
7016         * match.pd (vec_cond into cond_op simplification): Guard with
7017         vectorized_internal_fn_supported_p test and #if GIMPLE.
7018
7019         PR tree-optimization/89566
7020         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7021         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7022         Punt if get_user_idx_format succeeds, but idx_format argument is
7023         not provided or doesn't have pointer type, or if idx_args is above
7024         number of provided arguments.
7025
7026 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7027
7028         PR tree-optimization/89437
7029         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7030
7031 2019-03-04  Richard Biener  <rguenther@suse.de>
7032
7033         PR middle-end/89572
7034         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7035         safe_dyn_cast.
7036
7037 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7038
7039         PR tree-optimization/89487
7040         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7041         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7042         (distribute_loop): Don't do runtime alias check if there is non-
7043         addressable data reference.
7044         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7045         is a register variable.
7046
7047 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7048
7049         PR target/89506
7050         * config/arm/arm.md (cmpsi2_addneg): Use
7051         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7052         If operands[2] is 0 or INT_MIN, force use of subs.
7053         (*compare_scc splitter): Use gen_int_mode.
7054         (*negscc): Likewise.
7055         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7056
7057 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7058             Monk Chiang  <sh.chiang04@gmail.com>
7059
7060         * common/config/riscv/riscv-common.c: Include sstream.
7061         (riscv_subset_list::to_string): New.
7062         (riscv_arch_str): Likewise.
7063         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7064         * config.in: Regen.
7065         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7066         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7067         (riscv_emit_attribute): New.
7068         (riscv_file_start): Emit attribute if needed.
7069         (riscv_option_override): Init riscv_emit_attribute_p.
7070         * config/riscv/riscv.opt (mriscv-attribute): New option.
7071         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7072         * configure: Regen.
7073         * doc/install.texi: Document --with-riscv-attribute.
7074         * doc/invoke.texi: Document -mriscv-attribute.
7075
7076         * common/config/riscv/riscv-common.c:
7077         Include config/riscv/riscv-protos.h.
7078         (INCLUDE_STRING): Defined.
7079         (RISCV_DONT_CARE_VERSION): Defined.
7080         (riscv_subset_t): Declare.
7081         (riscv_subset_t::riscv_subset_t): New.
7082         (riscv_subset_list): Declare.
7083         (riscv_subset_list::riscv_subset_list): New.
7084         (riscv_subset_list::~riscv_subset_list): Likewise.
7085         (riscv_subset_list::parsing_subset_version): Likewise.
7086         (riscv_subset_list::parse_std_ext): Likewise.
7087         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7088         (riscv_subset_list::add): Likewise.
7089         (riscv_subset_list::lookup): Likewise.
7090         (riscv_subset_list::xlen): Likewise.
7091         (riscv_subset_list::parse): Likewise.
7092         (riscv_supported_std_ext): Likewise.
7093         (current_subset_list): Likewise.
7094         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7095         parse.
7096
7097 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7098
7099         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7100         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7101         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7102
7103 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7104
7105         PR rtl-optimization/85899
7106         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7107         fallthru edges leading to the exit block.
7108
7109 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7110
7111         PR target/89517
7112         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7113         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7114
7115 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7116
7117         PR tree-optimization/89535
7118         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7119         for each operand.  Calculate the fallback choice for mask operands
7120         and pass it to vect_get_vec_def_for_operand.
7121
7122 2019-03-01  Richard Biener  <rguenther@suse.de>
7123
7124         PR middle-end/89541
7125         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7126         get virtual operands.
7127         (get_expr_operands): Handle CONST_DECL like other decls.
7128
7129 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7130
7131         PR middle-end/89503
7132         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7133         on DECL_P and EXPR_P.
7134
7135 2019-03-01  Richard Biener  <rguenther@suse.de>
7136
7137         PR middle-end/89497
7138         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7139         argument, defaulted to zero.
7140         * passes.c (execute_function_todo): Pass down SSA update flags
7141         to cleanup_tree_cfg.
7142         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7143         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7144         form if requested.
7145         (cleanup_tree_cfg): Get and pass down SSA update flags.
7146
7147 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7148
7149         PR bootstrap/89539
7150         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7151         early_lto_debug argument.
7152
7153 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7154
7155         PR tree-optimization/89536
7156         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7157         only whether bit #0 of the value is 0 instead of the entire value.
7158
7159 2019-02-28  Marek Polacek  <polacek@redhat.com>
7160
7161         PR c++/87068 - missing diagnostic with fallthrough statement.
7162         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7163         at the end of a seq, save its location to walk_stmt_info.
7164         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7165         a switch.
7166
7167 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7168
7169         PR lto/88585
7170         * tree.c (find_atomic_core_type): Move ahead in file.
7171         (check_base_type): Correctly compare alignments of atomic types.
7172
7173 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7174
7175         PR target/89455
7176         * config/i386/i386.c (get_builtin_code_for_version): Identify
7177         Westmere from PCLMUL, instead of AES.
7178
7179 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7180
7181         PR target/89434
7182         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7183         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7184         -UINTVAL (...).
7185
7186 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7187
7188         PR target/88530
7189         * config/aarch64/aarch64-option-extensions.def: Document it.
7190         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7191         if empty hwcaps.
7192
7193 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7194
7195         PR c/89520
7196         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7197         builtins if they don't have a single scalar floating point argument.
7198         Formatting fixes.
7199
7200 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7201
7202         PR rtl-optimization/89490
7203         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7204         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7205         block section is not mergeable.
7206
7207 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7208
7209         PR target/70341
7210         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7211         old define_insn to ...
7212         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7213         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7214         Rename old define_insn to ...
7215         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7216         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7217         define_insn to ...
7218         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7219         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7220         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7221
7222 2019-02-27  Richard Biener  <rguenther@suse.de>
7223
7224         PR debug/88878
7225         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7226
7227 2019-02-27  Richard Biener  <rguenther@suse.de>
7228
7229         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7230         building.
7231
7232 2019-02-27  Richard Biener  <rguenther@suse.de>
7233
7234         PR debug/88878
7235         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7236         parameter, prefix section name with .gnu.debuglto_ if true.
7237         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7238         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7239
7240 2019-02-27  Richard Biener  <rguenther@suse.de>
7241
7242         PR debug/89514
7243         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7244         rather than on use_debug_types, doing what output_die does.
7245         (value_format): Likewise.
7246
7247 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7248             Martin Sebor  <msebor@redhat.com>
7249
7250         * doc/invoke.texi (Warning Options): Reword description of
7251         -Wno-absolute-value.
7252
7253 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7254
7255         PR tree-optimization/89280
7256         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7257         builtin_setjmp_setup_bb): New functions.
7258         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7259         When visiting __builtin_setjmp_setup block, queue in special
7260         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7261         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7262         from visited after the loop if they don't have any visited successor
7263         blocks.
7264
7265 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7266
7267         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7268         New function.
7269         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7270
7271 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7272
7273         PR c++/89507
7274         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7275         with types other than sizetype/ssizetype.
7276
7277 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7278
7279         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7280         (enum sparc_processor_type): ...this.
7281         (enum sparc_code_model_type): New enumeration type.
7282         (enum sparc_memory_model_type): Tweak comments.
7283         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7284         (mtune): Likewise.
7285         (mcmodel): Use sparc_code_model enumeration and variable.
7286         (sparc_code_model): New enumeration.
7287         (mdebug): Add Undocumented marker.
7288         * config/sparc/sparc.h (enum cmodel): Delete.
7289         (sparc_cmodel): Likewise.
7290         (TARGET_CM_MEDLOW): Adjust to above renaming.
7291         (TARGET_CM_MEDMID): Likewise.
7292         (TARGET_CM_MEDANY): Likewise.
7293         (TARGET_CM_EMBMEDANY): Likewise.
7294         * config/sparc/sparc.c (sparc_cmodel): Delete.
7295         (sparc_option_override): Remove string/value mapping support for the
7296         code model.  Move code and memory model support to after the handling
7297         of target flags.  Do private machine setup last.
7298         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7299         (sparc_legitimize_reload_address): Likewise.
7300         (sparc_output_mi_thunk): Likewise.
7301         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7302
7303 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7304
7305         PR tree-optimization/89500
7306         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7307         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7308         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7309         cst if the first cst bytes starting at x are known to be non-zero,
7310         even if the string is not zero terminated.  Don't try to modify
7311         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7312         we can prove strnlen returns the same value as strlen would.
7313
7314 2019-02-26  Martin Liska  <mliska@suse.cz>
7315
7316         * alloc-pool.h (struct pool_usage): Remove extra
7317         print_dash_line.
7318         * bitmap.h (struct bitmap_usage): Likewise.
7319         * ggc-common.c (struct ggc_usage): Likewise.
7320         * mem-stats.h (struct mem_usage): Likewise.
7321         (mem_alloc_description::dump): Print dash lines
7322         here and repeat header at the end of a table report.
7323         It's then more readable.
7324         * tree-phinodes.c (phinodes_print_statistics): Make
7325         horizontal alignment.
7326         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7327         * vec.c (struct vec_usage): Remove extra print_dash_line.
7328         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7329
7330 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7331
7332         * doc/extend.texi (__builtin_object_size):
7333         Use @pxref instead of @xref inside parenthesis.
7334         (__builtin_has_attribute): Add missing comma after @xref.
7335         (__builtin_object_size): Ditto.
7336         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7337         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7338         in the list.
7339
7340 2019-02-26  Jeff Law  <law@redhat.com>
7341
7342         PR rtl-optimization/87761
7343         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7344         detect obviously dead insns and delete them.
7345
7346 2019-02-26  Richard Biener  <rguenther@suse.de>
7347
7348         PR tree-optimization/89505
7349         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7350         to handle restrict pointed-to vars with multiple subvars
7351         correctly.
7352
7353 2019-02-26  Richard Biener  <rguenther@suse.de>
7354
7355         PR tree-optimization/89489
7356         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7357
7358 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7359
7360         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7361         and move around comment.
7362         <BIT_AND_EXPR>: Likewise.
7363         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7364
7365 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7366
7367         PR target/89474
7368         * config/i386/i386.c (remove_partial_avx_dependency): Call
7369         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7370         after changing possibly many instructions to use that pseudo.  Fix up
7371         insertion of v4sf_const0 setter at the start of bb.
7372
7373 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7374
7375         PR c/80409
7376         * doc/extend.texi (Variadic Pointer Args): New section.
7377
7378 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7379             Martin Sebor  <msebor@gmail.com>
7380
7381         * common.opt (Wattribute-alias): Likewise.
7382         * doc/invoke.texi (Option Summary): List general form of
7383         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7384         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7385         Add cross-references.
7386         (-Wattribute-alias): Rewrite and correct default.  Mention
7387         considered attributes (same as for -Wmissing-attributes).
7388
7389 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7390
7391         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7392         (_mm_cvtpd_ps): Likewise.
7393         (_mm_cvttpd_epi32): Likewise.
7394
7395         PR target/89338
7396         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7397         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7398
7399         PR target/89339
7400         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7401
7402 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7403
7404         PR target/88530
7405         * common/config/aarch64/aarch64-common.c
7406         (struct aarch64_option_extension): Add is_synthetic.
7407         (all_extensions): Use it.
7408         (TARGET_OPTION_INIT_STRUCT): Define hook.
7409         (struct gcc_targetm_common): Moved to end.
7410         (all_extensions_by_on): New.
7411         (opt_ext_cmp, typedef opt_ext): New.
7412         (aarch64_option_init_struct): New.
7413         (aarch64_contains_opt): New.
7414         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7415         * config/aarch64/aarch64-option-extensions.def
7416         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7417         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7418         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7419         Set is_synthetic to false.
7420         (crypto): Set is_synthetic to true.
7421         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7422         SYNTHETIC.
7423
7424 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7425
7426         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7427         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7428         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7429         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7430         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7431         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7432         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7433         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7434         Rename ...
7435         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7436         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7437         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7438         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7439         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7440         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7441         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7442         vfmlsl_laneq_high_f16): ... To this.
7443         * config/arm/neon.md: Update comments.
7444
7445 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7446
7447         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7448         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7449         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7450         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7451         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7452         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7453         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7454         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7455         Rename ...
7456         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7457         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7458         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7459         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7460         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7461         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7462         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7463         vfmlslq_laneq_high_f16): ... To this.
7464
7465 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7466
7467         PR rtl-optimization/86096
7468         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7469         comparing mw_order values.
7470
7471 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7472
7473         PR target/89434
7474         * config/arm/arm.md (*subsi3_carryin_const): Use
7475         arm_neg_immediate_operand predicate instead of
7476         arm_not_immediate_operand, "L" constraint instead of "K" and
7477         print it using %n2 instead of %B2.
7478         (*subsi3_carryin_const0): New define_insn.
7479         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7480         instead of arm_not_operand and "I" constraint instead of "K" and
7481         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7482         another match_operand and in the condition check that it is negation
7483         of operands[2].
7484         (*subsi3_carryin_compare_const0): New define_ins.
7485         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7486         *subsi3_carryin_const.
7487         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7488         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7489
7490         PR target/89438
7491         * config/arm.vfp.md (*negdf2_vfp): Use
7492         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7493         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7494
7495 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7496
7497         PR rtl-optimization/89445
7498         * simplify-rtx.c (simplify_ternary_operation): Don't use
7499         simplify_merge_mask on operands that may trap.
7500         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7501         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7502         second operand is CONST_VECTOR, check if any element could be zero.
7503         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7504         their operands can trap.
7505
7506 2019-02-23  Martin Sebor  <msebor@redhat.com>
7507
7508         * gimple-ssa-sprintf.c (target_strtol): Rename...
7509         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7510         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7511         check for range error.
7512
7513 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7514
7515         PR driver/69471
7516         * opts-common.c (prune_options): Also prune joined switches
7517         with Negative and RejectNegative.
7518         * config/i386/i386.opt (march=): Add Negative(march=).
7519         (mtune=): Add Negative(mtune=).
7520         * doc/options.texi: Document Negative used together with Joined
7521         and RejectNegative.
7522
7523 2019-02-22  Martin Sebor  <msebor@redhat.com>
7524
7525         * doc/extend.texi (Other Builtins): Add
7526         __builtin_is_constant_evaluated.
7527
7528 2019-02-22  Richard Biener  <rguenther@suse.de>
7529
7530         PR tree-optimization/87609
7531         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7532
7533 2019-02-22  Jeff Law  <law@redhat.com>
7534
7535         PR rtl-optimization/87761
7536         * config/mips/mips.md: Add new combiner pattern to recognize
7537         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7538
7539 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7540
7541         PR target/89324
7542         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7543         destination register in peepholes generating patterns for ADDS/SUBS.
7544         (add<mode>3_compare0,
7545         *addsi3_compare0_uxtw, add<mode>3_compareC,
7546         add<mode>3_compareV_imm, add<mode>3_compareV,
7547         *adds_<optab><ALLX:mode>_<GPI:mode>,
7548         *subs_<optab><ALLX:mode>_<GPI:mode>,
7549         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7550         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7551         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7552         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7553         sub<mode>3_compare1): Allow stack pointer for source register.
7554         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7555
7556 2019-02-22  Martin Sebor  <msebor@redhat.com>
7557
7558         PR tree-optimization/88993
7559         PR tree-optimization/88853
7560         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7561         New helper.
7562         (sprintf_dom_walker::call_info::is_string_func): New helper.
7563         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7564         for formatted string functions.
7565         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7566
7567 2019-02-22  Martin Sebor  <msebor@redhat.com>
7568
7569         PR c/89425
7570         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7571         unreachable subexpressions.
7572
7573 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7574             Hongtao Liu  <hongtao.liu@intel.com>
7575             Sunil K Pandey  <sunil.k.pandey@intel.com>
7576
7577         PR target/87007
7578         * config/i386/i386-passes.def: Add
7579         pass_remove_partial_avx_dependency.
7580         * config/i386/i386-protos.h
7581         (make_pass_remove_partial_avx_dependency): New.
7582         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7583         New function.
7584         (pass_data_remove_partial_avx_dependency): New.
7585         (pass_remove_partial_avx_dependency): Likewise.
7586         (make_pass_remove_partial_avx_dependency): Likewise.
7587         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7588         (*extendsfdf2): Add avx_partial_xmm_update.
7589         (truncdfsf2): Likewise.
7590         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7591         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7592
7593 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7594
7595         PR middle-end/85598
7596         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7597         analysis for pass.
7598
7599 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7600
7601         PR target/89444
7602         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7603         (PTA_SKYLAKE): Add PTA_AES.
7604         (PTA_GOLDMONT): Likewise.
7605
7606 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7607
7608         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7609         instruction if enabled.
7610         (aarch64_override_options): Remove reference to return address key.
7611
7612 2019-02-22  Richard Biener  <rguenther@suse.de>
7613
7614         PR tree-optimization/89440
7615         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7616         not necessary assert.
7617
7618 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7619
7620         PR fortran/72741
7621         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7622         (oacc_replace_fn_attrib_attr): ... this new function.
7623         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7624         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7625
7626 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7627
7628         * config/arm/arm-cpus.in (ares): Rename to...
7629         (neoverse-n1): ... This.  Add ares as alias.
7630         * config/arm/arm-tables.opt: Regenerate.
7631         * config/arm/arm-tune.md: Likewise.
7632         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7633
7634 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7635
7636         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7637         * config/aarch64/aarch64-tune.md: Regenerate.
7638         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7639
7640 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7641
7642         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7643         (neoversen1_tunings): ... This.
7644         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7645         (neoverse-n1): New CPU.
7646         * config/aarch64/aarch64-tune.md: Regenerate.
7647         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7648
7649 2019-02-22  Richard Biener  <rguenther@suse.de>
7650
7651         PR middle-end/87609
7652         * cfghooks.h (dependence_hash): New typedef.
7653         (struct copy_bb_data): New type.
7654         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7655         (duplicate_block): Likewise.
7656         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7657         (copy_bbs): Create and pass down copy_bb_data.
7658         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7659         (rtl_duplicate_bb): Likewise.
7660         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7661         remap dependence info.
7662
7663 2019-02-22  Richard Biener  <rguenther@suse.de>
7664
7665         PR tree-optimization/87609
7666         * tree-core.h (tree_base): Document special clique values.
7667         * tree-inline.c (remap_dependence_clique): Do not use the
7668         special clique value of one.
7669         (maybe_set_dependence_info): Use clique one.
7670         (clear_dependence_clique): New callback.
7671         (compute_dependence_clique): Clear clique one from all refs
7672         before assigning it (again).
7673
7674 2019-02-21  Martin Sebor  <msebor@redhat.com>
7675
7676         * doc/extend.texi (__clear_cache): Correct signature.
7677
7678 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7679
7680         PR go/89170
7681         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7682         than output_constant_def.
7683         (add_constant_to_table): New static function.
7684         (output_constant_def): Call add_constant_to_table.
7685         (tree_output_constant_def): Likewise.
7686
7687 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7688
7689         PR c++/89285
7690         * builtins.c (fold_builtin_arith_overflow): If first two args are
7691         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7692         to ifn.
7693
7694 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7695
7696         PR target/87412
7697         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7698         error for -mindirect-branch/-mfunction-return with incompatible
7699         -fcf-protection.
7700
7701 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7702
7703         PR bootstrap/88714
7704         * constraints.md (q): Remove.
7705         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7706         instead of q.
7707
7708 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7709
7710         PR hsa/89302
7711         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7712         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7713         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7714         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7715         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7716         proper values to new parameters of omp_adjust_for_condition.
7717
7718 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7719
7720         PR middle-end/89412
7721         * expr.c (expand_assignment): If result is a MEM, use change_address
7722         instead of simplify_gen_subreg.
7723
7724 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7725             David Malcolm  <dmalcolm@redhat.com>
7726
7727         PR middle-end/89091
7728         * fold-const.c (decode_field_reference): Return NULL_TREE if
7729         lang_hooks.types.type_for_size returns NULL.  Check it before
7730         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7731
7732 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7733
7734         PR middle-end/88074
7735         PR middle-end/89415
7736         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7737         buggy mpc_norm.
7738
7739 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7740
7741         PR target/89397
7742         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7743         TARGET_SSE in addition to TARGET_SSE_MATH.
7744
7745         (ix86_excess_precision): Ditto.
7746         (ix86_float_exceptions_rounding_supported_p): Ditto.
7747         (use_rsqrt_p): Ditto.
7748         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7749
7750 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7751
7752         PR c/89410
7753         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7754         linenum_arith_t when determining if two adjacent line spans are
7755         close enough to merge.
7756         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7757         lines within each line_span.
7758
7759 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7760
7761         PR target/86487
7762         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7763         paradoxical SUBREGS.
7764
7765 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7766
7767         PR target/88100
7768         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7769         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7770         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7771         range checking it.
7772
7773 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7774
7775         * config/gcn/gcn.c (print_operand): Fix typo.
7776
7777 2019-02-19  Richard Biener  <rguenther@suse.de>
7778
7779         PR middle-end/88074
7780         * toplev.c (do_compile): Initialize mpfr's exponent range
7781         based on available float modes.
7782
7783 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7784
7785         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7786         as long as the epilogue isn't completed.
7787
7788 2019-02-18  Martin Sebor  <msebor@redhat.com>
7789
7790         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7791         __has_cpp_attribute, and __has_include.
7792
7793 2019-02-18  Martin Sebor  <msebor@redhat.com>
7794
7795         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7796
7797 2019-02-18  Martin Sebor  <msebor@redhat.com>
7798
7799         PR middle-end/89294
7800         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7801         expression.
7802         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7803
7804 2019-02-18  Richard Biener  <rguenther@suse.de>
7805
7806         PR tree-optimization/89296
7807         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7808         of no-warning flag to cases that might emit the bogus warning.
7809
7810 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7811
7812         PR bootstrap/88714
7813         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7814         "q" constraint.
7815         * config/arm/vfp.md (*movdi_vfp): Likewise.
7816         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7817         "q" constraint for operands[0].
7818
7819         PR target/89369
7820         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7821         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7822         pattern in a temporary buffer.
7823         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7824         than 64-operands[2].
7825
7826         PR target/89361
7827         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7828         s390_indirect_branch_settings): Define unconditionally.
7829         (s390_set_current_function): Likewise, but guard the whole body except
7830         the s390_indirect_branch_settings call with
7831         #if S390_USE_TARGET_ATTRIBUTE.
7832         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7833
7834         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7835         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7836         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7837         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7838         HOST_WIDE_INT_1U instead of 1ULL.
7839         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7840         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7841         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7842         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7843         instead of 1UL.
7844         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7845         instead of 1ul.
7846
7847 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7848
7849         PR tree-optimization/89209
7850         * tree-sra.c (create_access_replacement): New optional parameter
7851         reg_tree.  Use it as a type if non-NULL and access type is not of
7852         a register type.
7853         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7854         to create_access_replacement.
7855         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7856         Check lacc is non-NULL before attempting to re-create it on the RHS.
7857
7858 2019-02-18  Martin Liska  <mliska@suse.cz>
7859
7860         PR ipa/89306
7861         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7862         by default.
7863         (symbol_table::free_edge): Recycle m_summary_id.
7864         * cgraph.h (get_summary_id): New.
7865         (symbol_table::release_symbol): Set m_summary_id to -1
7866         by default.
7867         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7868         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7869         function_summary to fast_function_summary.
7870         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7871         * ipa-pure-const.c (class funct_state_summary_t):
7872         Switch from function_summary to fast_function_summary.
7873         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7874         (class ipa_ref_opt_summary_t): Switch from function_summary
7875         to fast_function_summary.
7876         * symbol-summary.h (class function_summary_base): New class
7877         that is created from base of former function_summary.
7878         (function_summary_base::unregister_hooks): New.
7879         (class function_summary): Inherit from function_summary_base.
7880         (class call_summary_base): New class
7881         that is created from base of former call_summary.
7882         (class call_summary): Inherit from call_summary_base.
7883         (struct is_same): New.
7884         (class fast_function_summary): New summary class.
7885         (class fast_call_summary): New summary class.
7886         * vec.h (vec_safe_grow_cleared): New function.
7887
7888 2019-02-18  Martin Liska  <mliska@suse.cz>
7889
7890         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7891         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7892         * doc/tm.texi: Document new target hook.
7893         * doc/tm.texi.in: Likewise.
7894         * target.def: Add new target macro.
7895         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7896         suffixes.
7897
7898 2019-02-17  Alan Modra  <amodra@gmail.com>
7899
7900         PR target/89271
7901         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7902         output reg on add insn.
7903         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7904
7905 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7906
7907         PR target/89372
7908         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7909         (PMULHRSW): Likewise.
7910         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7911         TARGET_AVX2.
7912         (ssse3_pmulhrswv4hi3): New expander.
7913
7914 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7915
7916         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7917         MMX.  Add isa attribute.
7918
7919 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7920
7921         PR rtl-optimization/66152
7922         * builtins.h (c_readstr): Declare.
7923         * builtins.c (c_readstr): Remove forward declaration.  Add
7924         null_terminated_p argument, if false, read all bytes from the
7925         string instead of stopping after '\0'.
7926         * expr.c (string_cst_read_str): New function.
7927         (store_expr): Use string_cst_read_str instead of
7928         builtin_strncpy_read_str.  Try to store by pieces the whole
7929         exp_len first, and only if that fails, split it up into
7930         store by pieces followed by clear_storage.  Formatting fix.
7931
7932         * config/i386/i386.md (*movqi_internal): Remove static from
7933         buf variable.  Use output_asm_insn (buf, operands); return "";
7934         instead of return buf;.
7935         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7936         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7937         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7938
7939 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7940
7941         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7942         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7943         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7944         (CC1_SPEC): Likewise.
7945         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7946
7947 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7948
7949         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7950         the base address on 64-bit strict-alignment platforms.
7951
7952 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7953
7954         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7955
7956 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7957
7958         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7959
7960 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7961
7962         PR rtl-optimization/88308
7963         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7964         on copied instruction.
7965
7966 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7967
7968         * final.c (insn_current_reference_address): Replace test on JUMP_P
7969         with test on jump_to_label_p.
7970         * config/visium/visium-passes.def: New file.
7971         * config/visium/t-visium (PASSES_EXTRA): Define.
7972         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7973         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7974         (TRAMPOLINE_ALIGNMENT): Define.
7975         * config/visium/visium.c (visium_option_override): Do not register
7976         the machine-specific reorg pass here.
7977         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7978         for the GR6.
7979         (output_branch): Adjust threshold for long branch instruction.
7980         * config/visium/visium.md (cpu): Move around.
7981         (length): Adjust for the GR6.
7982
7983 2019-02-15  Richard Biener  <rguenther@suse.de>
7984             Jakub Jelinek  <jakub@redhat.com>
7985
7986         PR tree-optimization/89278
7987         * tree-loop-distribution.c: Include tree-eh.h.
7988         (generate_memset_builtin, generate_memcpy_builtin): Call
7989         rewrite_to_non_trapping_overflow on builtin->size before passing it
7990         to force_gimple_operand_gsi.
7991
7992 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7993
7994         PR other/89342
7995         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7996         optimize_debug.
7997         * opth-gen.awk: Likewise.
7998
7999 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8000
8001         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8002         Enable MMX, SSE and SSE2 by default.
8003         * config/i386/i386.c (ix86_option_override_internal): Do not
8004         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8005
8006 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8007
8008         PR rtl-optimization/89354
8009         * combine.c (make_extraction): Punt if extraction_mode is narrower
8010         than len bits.
8011
8012 2019-02-14  Maya Rashish  <coypu@sdf.org>
8013
8014         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8015         * config/netbsd-d.c: New file.
8016         * config/t-netbsd: Add netbsd-d.o
8017
8018 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8019
8020         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8021         affects_type_identity to true for aarch64_vector_pcs.
8022         (aarch64_comp_type_attributes): New function.
8023         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8024
8025 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8026
8027         PR target/88850
8028         * config/arm/iterators.md (ANY64): Add V4HF.
8029
8030 2019-02-14  Martin Liska  <mliska@suse.cz>
8031
8032         PR rtl-optimization/89242
8033         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8034         process a transformation.
8035
8036 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8037
8038         PR tree-optimization/89314
8039         * fold-const.c (fold_binary_loc): Cast strlen argument to
8040         const char * before dereferencing it.  Formatting fixes.
8041
8042         PR middle-end/89284
8043         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8044
8045 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8046
8047         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8048         and set current index for other optimizations.
8049
8050 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8051
8052         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8053         nonimmediate_operand as operand 2 predicate.
8054         (vec_set<VF2_512_256:mode>_0): Ditto.
8055         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8056         (*vec_concatv2si): Remove alternative 2.
8057         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8058         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8059         (vec_concatv2di): Split alternatives 4,5,6 to ...
8060         (*vec_concatv2di_0) ... new pattern.
8061
8062 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8063
8064         PR target/89190
8065         * config/arm/arm.c (ldm_stm_operation_p) Set
8066         addr_reg_in_reglist correctly for first register.
8067         (load_multiple_sequence): Remove dead base check.
8068         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8069
8070 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8071
8072         PR target/88847
8073         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8074         Expose as @aarch64_pred_mov.
8075         * config/aarch64/aarch64.c (aarch64_classify_address):
8076         Use expand_insn which legitimizes operands.
8077
8078 2019-02-13  Martin Liska  <mliska@suse.cz>
8079
8080         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8081         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8082         and pointer_offset fields.
8083         (initialize_argument_information): Remove usage of dead
8084         fields.
8085         * cgraph.h (struct cgraph_thunk_info): Remove
8086         add_pointer_bounds_args.
8087         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8088         fields.
8089         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8090         fields.
8091         * config/i386/i386.c (ix86_function_arg_advance): Remove
8092         unrelated comment.
8093         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8094         (def_builtin):  Remove usage of dead
8095         fields.
8096         (ix86_add_new_builtins): Likewise.
8097         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8098         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8099         (sem_function::init): Likewise.
8100         (sem_variable::merge): Likewise.
8101         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8102         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8103         * lto-cgraph.c (lto_output_node): Likewise.
8104         (lto_output_varpool_node): Likewise.
8105         (input_node): Likewise.
8106         (input_varpool_node): Likewise.
8107         * lto-streamer-out.c (lto_output): Likewise.
8108         * tree-inline.c (expand_call_inline): Remove usage of
8109         assign_stmts.
8110         * tree-inline.h (struct copy_body_data): Likewise.
8111         * varpool.c (varpool_node::dump): Likewise.
8112
8113 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8114
8115         PR middle-end/89303
8116         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8117         into pt->vars_contains_escaped_heap instead of setting
8118         pt->vars_contains_escaped_heap to it.
8119
8120         PR middle-end/89281
8121         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8122         INTVAL (size), compare it to GET_MODE_MASK instead of
8123         1 << GET_MODE_BITSIZE.
8124
8125         PR target/89290
8126         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8127         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8128         -mcmodel=large.
8129
8130 2019-02-13  Martin Liska  <mliska@suse.cz>
8131
8132         PR lto/88858
8133         * cfgrtl.c (remove_barriers_from_footer): New function.
8134         (try_redirect_by_replacing_jump): Use it.
8135         (cfg_layout_redirect_edge_and_branch): Likewise.
8136
8137 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8138
8139         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8140         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8141         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8142         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8143         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8144         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8145         New BU_CRYPTO_2.
8146         * config/rs6000/rs6000.c (builtin_function_type)
8147         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8148         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8149         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8150         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8151         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8152
8153 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8154
8155         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8156         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8157
8158 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8159
8160         PR target/89229
8161         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8162         268678 and revision 268657.
8163         (*movti_internal): Likewise.
8164
8165 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8166
8167         PR target/89233
8168         * config/s390/s390.c (s390_decompose_address): Update comment.
8169         (s390_check_qrst_address): Reject invalid address forms after
8170         LRA.
8171
8172 2019-02-12  Martin Liska  <mliska@suse.cz>
8173
8174         PR lto/88876
8175         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8176         we need default values of funct_state for a function that
8177         is not optimized.
8178
8179 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8180
8181         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8182         the object to pick the size of stores on strict-alignment platforms.
8183
8184         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8185         (*movdi_insn_sp32): Likewise.
8186         (*movdi_insn_sp64): Likewise.
8187
8188 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8189
8190         PR lto/88677
8191         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8192         types that needs constructiong.
8193         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8194
8195 2019-02-12  Richard Biener  <rguenther@suse.de>
8196
8197         PR tree-optimization/89253
8198         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8199         duplicate the loop.
8200
8201 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8202
8203         PR lto/88147
8204         * input.c (selftest::test_line_offset_overflow): New selftest.
8205         (selftest::input_c_tests): Call it.
8206
8207 2019-02-11  Martin Sebor  <msebor@redhat.com>
8208
8209         PR tree-optimization/88771
8210         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8211         when -Wstringop-overflow is set.
8212         (builtin_memref::builtin_memref): Adjust excessive upper bound
8213         only when lower bound is not excessive.
8214         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8215         -Wstringop-ovefflow.
8216         (maybe_diag_offset_bounds): Rename...
8217         (maybe_diag_access_bounds): ...to this.
8218         (check_bounds_or_overlap): Adjust for name change above.
8219
8220 2019-02-11  Martin Sebor  <msebor@redhat.com>
8221
8222         PR c++/87996
8223         * builtins.c (max_object_size): Move from here...
8224         * builtins.h (max_object_size): ...and here...
8225         * tree.c (max_object_size): ...to here...
8226         * tree.h (max_object_size): ...and here.
8227
8228 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8229
8230         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8231         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8232         for correct semantics.
8233
8234 2019-02-11  Alan Modra  <amodra@gmail.com>
8235
8236         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8237         -mlongcall and -mpltseq.
8238         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8239         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8240         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8241         * config/rs6000/sysv4.opt (mpltseq): New option.
8242         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8243         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8244         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8245         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8246         -mpltseq given for ELFv1.
8247         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8248         Only use UNSPEC_PLTSEQ for inline PLT calls.
8249         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8250         use UNSPEC_PLTSEQ for inline PLT calls.
8251         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8252         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8253         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8254         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8255         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8256         (pltseq_mtctr_<mode>): Likewise.
8257
8258 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8259
8260         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8261         Solaris ld.
8262         * configure: Regenerate.
8263
8264 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8265
8266         PR bootstrap/88714
8267         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8268         instead of r.
8269
8270 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8271
8272         * function.c (assign_parm_setup_block): Use the stored
8273         size, not the passed size, when allocating stack-space,
8274         also for a parameter with alignment larger than
8275         MAX_SUPPORTED_STACK_ALIGNMENT.
8276
8277 2019-02-11  Martin Liska  <mliska@suse.cz>
8278
8279         PR ipa/89009
8280         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8281         * ipa-inline.c (inline_small_functions): Likewise.
8282         * ipa-pure-const.c (propagate_pure_const): Likewise.
8283         (propagate_nothrow): Likewise.
8284         * ipa-reference.c (propagate): Likewise.
8285         * ipa-utils.c (struct searchc_env): Remove unused field.
8286         (searchc): Always search across AVAIL_INTERPOSABLE.
8287         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8288         the only called IPA pure const can properly not propagate
8289         across interposable boundary.
8290         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8291
8292 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8293
8294         * config/nds32/nds32.md (call_internal, call_value_internal,
8295         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8296
8297 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8298
8299         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8300         typo.
8301
8302 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8303
8304         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8305         in comments
8306
8307 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8308
8309         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8310
8311 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8312
8313         PR tree-optimization/89268
8314         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8315         if preds is non-NULL.
8316
8317 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8318
8319         PR lto/89272
8320         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8321         polymorphic types.
8322
8323 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8324
8325         * config/nds32/nds32.md (trap): New pattern.
8326
8327 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8328
8329         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8330         dwarf span.
8331
8332 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8333
8334         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8335         to split POST_INC.
8336
8337 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8338
8339         * ipa-visibility.c (localize_node): Also do not localize
8340         LDPR_PREVAILING_DEF_IRONLY_EXP.
8341
8342 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8343
8344         PR lto/87957
8345         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8346         instead of type_with_linkage.
8347
8348 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8349
8350         PR ipa/88755
8351         * params.def (uninlined-function-insns, uninlined-function-time,
8352         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8353         bound so we don't get overflows.
8354
8355 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8356
8357         * config/rs6000/rs6000-string.c (expand_compare_loop,
8358         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8359         memcmp/strncmp.
8360
8361 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8362
8363         PR middle-end/89246
8364         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8365         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8366         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8367
8368 2019-02-09  Alan Modra  <amodra@gmail.com>
8369
8370         PR target/88343
8371         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8372         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8373         setup.
8374
8375 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8376
8377         PR middle-end/88560
8378         * lra-constraints.c (process_alt_operands): Don't increase reject
8379         for memory when offset memory is required.
8380
8381 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8382
8383         * config/s390/vector.md: Implement vector copysign.
8384
8385 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8386
8387         * expr.c (expand_constructor): Correct indentations.
8388
8389 2019-02-08  Richard Biener  <rguenther@suse.de>
8390
8391         PR tree-optimization/89247
8392         * tree-if-conv.c: Include tree-cfgcleanup.h.
8393         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8394         (tree_if_conversion): Pass through predicate vector.
8395         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8396         inline, see if any if-converted loops we refrece in
8397         LOOP_VECTORIZED calls vanished and fixup.
8398         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8399
8400 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8401
8402         * config/s390/constraints.md (jdd): New constraint.
8403
8404 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8405
8406         PR target/89229
8407         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8408         upper 16 vector registers without TARGET_AVX512VL.
8409         (*movti_internal): Likewise.
8410
8411 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8412
8413         PR rtl-optimization/89234
8414         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8415         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8416         (copy_reg_eh_region_note_backward): Likewise.
8417
8418 2019-02-08  Richard Biener  <rguenther@suse.de>
8419
8420         PR middle-end/89223
8421         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8422         doesn't fit in HWI.
8423         (analyze_subscript_affine_affine): Handle failure from
8424         initialize_matrix_A.
8425
8426 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8427
8428         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8429         cfun everywhere.
8430
8431 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8432
8433         PR tree-optimization/86637
8434         PR tree-optimization/89235
8435         * tree-vect-loop.c (optimize_mask_stores): Add an
8436         auto_purge_vect_location sentinel to ensure that vect_location is
8437         purged on exit.
8438         * tree-vectorizer.c
8439         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8440         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8441         to ensure that vect_location is purged on exit.
8442         (pass_slp_vectorize::execute): Likewise, replacing the manual
8443         reset.
8444         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8445
8446 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8447
8448         * config/aarch64/iterators.md (max_opp): New code_attr.
8449         (USMAX): New code iterator.
8450         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8451         (aarch64_smax): Likewise.
8452         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8453         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8454         MINUS (MAX MIN).
8455
8456 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8457
8458         PR target/89229
8459         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8460         for TARGET_AVX512VL.
8461         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8462
8463 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8464
8465         * config/s390/s390-builtin-types.def: Add new types.
8466         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8467         (s390_vec_xlw4): Make the memory operand into a const pointer.
8468         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8469         float.
8470         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8471         a new vector type with the alignment of the scalar memory operand.
8472
8473 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8474             Jakub Jelinek  <jakub@redhat.com>
8475
8476         PR bootstrap/88714
8477         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8478         arm_count_ldrdstrd_insns): New declarations.
8479         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8480         MINUS.
8481         (valid_operands_ldrd_strd): New function.
8482         (arm_count_ldrdstrd_insns): New function.
8483         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8484         sets instead of single DImode set and define new insns to match this.
8485
8486 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8487
8488         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8489         Make it a C initializer.
8490
8491 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8492
8493         PR/target 88850
8494         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8495
8496 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8497
8498         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8499         Use neon_dot<q> for type.
8500         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8501
8502 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8503
8504         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8505         Use neon_dot<q> for type.
8506         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8507         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8508
8509 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8510
8511         PR rtl-optimization/89225
8512         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8513         sizes check.
8514
8515 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8516
8517         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8518         after restoring registers saved to allocate the frame on Windows.
8519
8520 2019-02-06  Richard Biener  <rguenther@suse.de>
8521
8522         PR tree-optimization/89182
8523         * graphite.h (cached_scalar_evolution_in_region): Declare.
8524         * graphite.c (struct seir_cache_key): New.
8525         (struct sese_scev_hash): Likewise.
8526         (seir_cache): New global.
8527         (cached_scalar_evolution_in_region): New function.
8528         (graphite_transform_loops): Allocate and release seir_cache.
8529         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8530         cached_scalar_evolution_in_region.
8531         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8532         Simplify.
8533         (scop_detection::graphite_can_represent_expr: Use
8534         cached_scalar_evolution_in_region.
8535         (scop_detection::stmt_simple_for_scop_p): Likewise.
8536         (find_params_in_bb): Likewise.
8537         (gather_bbs::before_dom_children): Likewise.
8538         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8539         (add_loop_constraints): Likewise.
8540
8541 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8542
8543         PR middle-end/89210
8544         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8545         operand to new_unary_operation only if both element types are integral
8546         and it isn't a widening conversion.  Return NULL_TREE if
8547         new_unary_operation failed.
8548
8549 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8550
8551         PR target/88856
8552         * config/s390/s390.md: Remove load and test FP splitter.
8553
8554 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8555
8556         PR target/89112
8557         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8558         expand_compare_loop, expand_block_compare_gpr,
8559         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8560         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8561         #include "profile-count.h" and "predict.h" for types and functions
8562         needed to work with REG_BR_PROB notes.
8563
8564 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8565
8566         PR target/89112
8567         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8568         for the long branch case.
8569
8570 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8571
8572         PR target/89188
8573         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8574         can throw, non-call exceptions are enabled and we can't delete
8575         dead exceptions or alter cfg.  Set must_clean if
8576         delete_insn_and_edges returns true, don't set it blindly for calls.
8577         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8578
8579         PR rtl-optimization/89195
8580         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8581         of the original MEM.
8582
8583 2019-02-05  Martin Liska  <mliska@suse.cz>
8584
8585         PR gcov-profile/89000
8586         * gcov.c (function_summary): Remove argument.
8587         (file_summary): New function.
8588         (print_usage): Replace tabs with spaces.
8589         (generate_results): Use new function file_summary.
8590
8591 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8592
8593         PR target/89186
8594         * optabs.c (prepare_cmp_insn): Pass x and y to
8595         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8596
8597 2019-02-05  Richard Biener  <rguenther@suse.de>
8598
8599         PR middle-end/89150
8600         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8601         (struct bitmap_element): Drop chain_prev so we properly recurse on
8602         the prev member, supporting tree views.
8603         (struct bitmap_head): GTY skip the obstack member.
8604
8605 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8606
8607         PR c/88698
8608         * doc/extend.texi (Vector Extensions): Add an example of using vector
8609         types together with x86 intrinsics.
8610
8611 2019-02-04  Alan Modra  <amodra@gmail.com>
8612
8613         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8614         str[] size to 160, and comment.
8615
8616 2019-02-04  Alan Modra  <amodra@gmail.com>
8617
8618         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8619         (rs6000_pltseq_template): Guard output of TLS markers with
8620         TARGET_TLS_MARKERS.
8621         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8622         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8623         to use inline PLT sequences.
8624         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8625         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8626         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8627
8628 2019-02-04  Martin Liska  <mliska@suse.cz>
8629
8630         PR ipa/88985
8631         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8632         out when ipa_fn_summaries does not contain entry for callee.
8633
8634 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8635
8636         * config/sparc/sparc.h: Remove superfluous blank lines.
8637         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8638         (got_register_rtx): ...this.
8639         (sparc_got): Adjust to above renaming.
8640         (sparc_tls_got): Likewise.
8641         (sparc_delegitimize_address): Likewise.
8642         (sparc_output_mi_thunk): Likewise.
8643         (sparc_init_pic_reg): Likewise.
8644         (save_local_or_in_reg_p): Fix test on the GOT register.
8645         (USE_HIDDEN_LINKONCE): Move around.
8646         (get_pc_thunk_name): Likewise.
8647         (gen_load_pcrel_sym): Likewise.
8648         (load_got_register): Likewise.
8649
8650 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8651
8652         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8653         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8654
8655 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8656
8657         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8658         into consideration.
8659
8660 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8661
8662         * config.gcc (with_nds32_lib, glibc):
8663         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8664         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8665         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8666
8667 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8668
8669         PR target/89071
8670         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8671         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8672         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8673         (*rcpsf2_sse): Ditto.
8674         (*rsqrtsf2_sse): Ditto.
8675         (sse4_1_round<mode<2): Ditto.
8676
8677 2019-02-03  Richard Biener  <rguenther@suse.de>
8678
8679         PR debug/87295
8680         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8681         orig.
8682
8683 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8684
8685         PR middle-end/87887
8686         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8687         Punt with warning on aggregate return or argument types.  Ignore
8688         type/mode checking for uniform arguments.
8689
8690 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8691
8692         * combine.c (try_combine): Do not print "Can't combine" messages unless
8693         printing failed combination attempts.
8694
8695 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8696
8697         PR hsa/87863
8698         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8699         segment and global segment variables before making them static.
8700
8701 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8702
8703         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8704         missed optimization dump with dump_enabled_p.
8705
8706 2019-02-01  Richard Biener  <rguenther@suse.de>
8707
8708         PR middle-end/88597
8709         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8710         the instantiate cache.
8711         (instantiate_scev_binary): Elide second operand procesing
8712         if equal to the first.
8713         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8714         (chrec_contains_undetermined): Likewise.
8715         (tree_contains_chrecs): Likewise.
8716
8717 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8718
8719         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8720
8721 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8722
8723         PR tree-optimization/89143
8724         * wide-int-range.h (wide_int_range_absu): Declare.
8725         * wide-int-range.cc (wide_int_range_absu): New function.
8726         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8727
8728         PR tree-optimization/88107
8729         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8730         instead of assertion that eh_region_outermost is non-NULL, if it
8731         is NULL, set *ALL to true and return NULL.
8732         (move_sese_region_to_fn): Adjust caller, if all is set, call
8733         duplicate_eh_regions with NULL region.
8734
8735 2019-02-01  Richard Biener  <rguenth@suse.de>
8736
8737         PR rtl-optimization/88593
8738         * mode-switching.c (optimize_mode_switching): Free dominators before
8739         calling cleanup_cfg.
8740
8741 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8742
8743         PR tree-optimization/88932
8744         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8745
8746 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8747
8748         PR middle-end/89137
8749         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8750         bogus clang warning.
8751
8752 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8753
8754         PR target/89071
8755         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8756         alternative to avoid partial SSE register stall for TARGET_AVX.
8757         (truncdfsf2): Ditto.
8758         (sse4_1_round<mode>2): Ditto.
8759
8760 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8761
8762         PR tree-optimization/89008
8763         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8764         process anything of the form X * 0.
8765
8766 2019-01-31  Richard Biener  <rguenther@suse.de>
8767
8768         PR tree-optimization/89135
8769         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8770         with abnormal preds.
8771
8772 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8773
8774         PR sanitizer/89124
8775         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8776         always_inline callees into no_sanitize_address callers.
8777
8778 2019-01-31  Richard Biener  <rguenther@suse.de>
8779
8780         PR rtl-optimization/89115
8781         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8782
8783 2019-01-30  Martin Sebor  <msebor@redhat.com>
8784
8785         PR other/89106
8786         * doc/extend.texi (cast to a union): Correct and expand.
8787
8788 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8789
8790         PR rtl-optimization/87246
8791         * lra-constraints.c (simplify_operand_subreg): Reload memory
8792         in subreg if the address became invalid.
8793
8794 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8795
8796         PR target/87064
8797         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8798         Disable for little-endian.
8799
8800 2019-01-30  Richard Biener  <rguenther@suse.de>
8801
8802         PR rtl-optimization/89115
8803         * opts.c (default_options_optimization): Reduce
8804         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8805         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8806         to the default.
8807
8808 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8809
8810         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8811         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8812         type of vector element when vec_extract is implemented by direct
8813         move.
8814
8815 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8816
8817         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8818
8819 2019-01-30  Richard Biener  <rguenther@suse.de>
8820
8821         PR tree-optimization/89111
8822         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8823         canonicalization to appropriately sized access types.
8824
8825 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8826
8827         PR c++/89105
8828         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8829         for arguments to functions that are TU-local and shouldn't be
8830         referenced by assembly.
8831
8832 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8833
8834         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8835         after '='.
8836
8837 2019-01-29  Martin Sebor  <msebor@redhat.com>
8838
8839         PR c/88956
8840         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8841
8842 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8843
8844         PR c++/66676
8845         PR ipa/89104
8846         * omp-simd-clone.c (simd_clone_clauses_extract)
8847         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8848         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8849
8850 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8851
8852         * config.gcc: Force .init_array for ARC.
8853
8854 2019-01-29  Richard Biener  <rguenther@suse.de>
8855
8856         PR debug/87295
8857         * dwarf2out.c (collect_skeleton_dies): New helper.
8858         (copy_decls_for_unworthy_types): Call it.
8859         (build_abbrev_table): Assert we do not try to replace
8860         DW_AT_signature refs with local refs.
8861
8862 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8863
8864         PR middle-end/89002
8865         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8866         for lastprivate/linear IV, push gimplify context around gimplify_assign
8867         and, if it needed any temporaries, pop it into a gimple bind around the
8868         sequence.
8869
8870 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8871
8872         * common.opt (-Wattribute-alias): Remove "no-" from name.
8873         Make -Wattribute-alias command line option and
8874         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8875
8876 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8877
8878         PR target/89073
8879         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8880         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8881         x86 ISA options.
8882         (bmi2): Add missing @opindex.
8883         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8884         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8885         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8886         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8887         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8888         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8889         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8890         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8891         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8892         xsavec, xsaveopt and xsaves options.
8893
8894 2019-01-28  Richard Biener  <rguenther@suse.de>
8895
8896         PR debug/89076
8897         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8898         support removal.
8899
8900 2019-01-28  Richard Biener  <rguenther@suse.de>
8901
8902         PR tree-optimization/88739
8903         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8904         BIT_FIELD_REFs only are applied to mode-precision operands
8905         when they are integral.
8906         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8907         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8908         BIT_FIELD_REFs of non-mode-precision integral operands.
8909
8910 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8911
8912         PR target/87214
8913         * config/i386/sse.md
8914         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8915         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8916         first constants in pairs are multiples of 2.  Formatting fixes.
8917         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8918         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8919         first constants in each quadruple are multiples of 4.  Formatting fixes.
8920
8921 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8922
8923         PR ipa/88933
8924         * tree-inline.c: Include tree-cfgcleanup.h.
8925         (delete_unreachable_blocks_update_callgraph): Move...
8926         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8927         ...here, make externally visible, make second argument bool, adjust
8928         all callers.
8929         * tree-cfgcleanup.c: Include cgraph.h.
8930         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8931         Declare.
8932         * ipa-prop.c: Include tree-cfgcleanup.h.
8933         (ipcp_transform_function): Call
8934         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8935
8936 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8937
8938         PR rtl-optimization/88846
8939         * ira.c (process_set_for_memref_referenced_p): New.
8940         (memref_referenced_p): Add new param.  Use
8941         process_set_for_memref_referenced_p.  Add new switch cases.
8942         (memref_used_between_p): Pass new arg to memref_referenced_p.
8943
8944 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8945
8946         PR target/88469
8947         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8948         argument ABI_BREAK.  Set to true if the calculated alignment has
8949         changed in gcc-9.  Check bit-fields for their base type alignment.
8950         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8951         (aarch64_function_arg_boundary): Likewise.
8952         (aarch64_gimplify_va_arg_expr): Likewise.
8953
8954 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8955
8956         PR middle-end/89037
8957         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8958         instead of accessing TREE_INT_CST_ELT directly.
8959
8960 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8961
8962         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8963         fenv_exceptions description.
8964
8965 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8966
8967         PR rtl-optimization/87763
8968         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8969         Allow SUBREG when matching CC_NZmode compare.
8970
8971 2019-01-25  Richard Biener  <rguenther@suse.de>
8972
8973         PR tree-optimization/89049
8974         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8975         Look at the pattern stmt to determine if the stmt is vectorized.
8976
8977 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8978
8979         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8980         (pred_mov<mode>): Handle all-register forms using both a new
8981         alternative and a split.
8982
8983 2019-01-25  Richard Biener  <rguenther@suse.de>
8984
8985         PR tree-optimization/86865
8986         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8987         Reject non-do-while loops.
8988
8989 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8990
8991         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8992         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8993         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8994         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8995         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8996         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8997         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8998         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8999         vlogical_operand, gpc_reg_operand, int_reg_operand,
9000         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9001         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9002         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9003         (save_world_operation, restore_world_operation, lmw_operation,
9004         stmw_operation): Use MEM_P and REG_P.
9005         (tie_operand): Use MEM_P.
9006         (vrsave_operation, crsave_operation): Use REG_P.
9007         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9008         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9009         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9010         (call_operand): Use HARD_REGISTER_P.
9011         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9012         Use CONST_INT_P.
9013         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9014         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9015         quad_aligned_load_p, replace_swapped_aligned_store,
9016         recombine_lvx_pattern, replace_swapped_aligned_load,
9017         recombine_stvx_pattern): Use MEM_P.
9018         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9019         Use MEM_P and SYMBOL_REF_P.
9020         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9021         (insn_is_swappable_p): Use REG_P and MEM_P.
9022         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9023         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9024         Use CONST_INT_P.
9025         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9026         Use CONST_DOUBLE_P.
9027         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9028         CONST_WIDE_INT_P.
9029         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9030         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9031         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9032         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9033         reg_or_subregno:
9034         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9035         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9036         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9037         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9038         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9039         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9040         rs6000_split_logical_di): Use CONST_INT_P.
9041         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9042         REG_P and SYMBOL_REF_P.
9043         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9044         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9045         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9046         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9047         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9048         (small_data_operand, print_operand_address): Use CONST_INT_P and
9049         SYMBOL_REF_P.
9050         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9051         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9052         Use HARD_REGISTER_NUM_P.
9053         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9054         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9055         SUBREG_P and SYMBOL_REF_P.
9056         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9057         and HARD_REGISTER_NUM_P.
9058         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9059         reg_or_subregno.
9060         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9061         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9062         MEM_P and REG_P.
9063         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9064         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9065         find_addr_reg): Use REG_P.
9066         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9067         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9068         (offsettable_ok_by_alignment, constant_pool_expr_p,
9069         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9070         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9071         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9072         rs6000_assemble_integer, create_TOC_reference,
9073         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9074         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9075         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9076         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9077         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9078         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9079         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9080         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9081         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9082         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9083         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9084         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9085         and cbranch<mode>4): Use CONST_INT_P.
9086         (multiple define_splits): Use REG_P and SUBREG_P.
9087         (define_expands call, call_value): Use MEM_P.
9088         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9089         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9090         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9091         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9092         and HARD_REGISTER_NUM_P.
9093         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9094
9095 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9096
9097         PR rtl-optimization/88948
9098         * rtl.h (prepare_copy_insn): New prototype.
9099         * gcse.c (prepare_copy_insn): New function, split out from
9100         process_insert_insn.
9101         (process_insert_insn): Use prepare_copy_insn.
9102         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9103         instead of gen_move_insn.
9104
9105 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9106
9107         PR debug/89006
9108         * config/i386/i386.c (ix86_pic_register_p): Return true for
9109         UNSPEC_SET_GOT too.
9110
9111         PR tree-optimization/88964
9112         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9113         punt if HONOR_SNANS (chrec).
9114
9115         PR middle-end/89015
9116         * tree-nested.c (convert_nonlocal_reference_stmt,
9117         convert_local_reference_stmt, convert_tramp_reference_stmt,
9118         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9119         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9120         or GIMPLE_OMP_TASK.
9121
9122         PR tree-optimization/89027
9123         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9124         for "omp simd array" variables.
9125
9126 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9127
9128         PR target/88469
9129         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9130         force the alignment of m_val.
9131
9132 2019-01-24  Richard Biener  <rguenther@suse.de>
9133
9134         PR lto/87187
9135         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9136         When in "legacy" debug mode make sure to reset self-origins.
9137
9138 2019-01-24  Martin Liska  <mliska@suse.cz>
9139
9140         PR gcov-profile/88994
9141         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9142         result will be always smaller or equal to the original.
9143         * gcov.c (mangle_name): Fix else branch where we should
9144         also copy to PTR and shift the pointer.
9145
9146 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9147
9148         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9149         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9150
9151 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9152
9153         * common/config/i386/i386-common.c
9154         (OPTION_MASK_ISA_ENQCMD_SET,
9155         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9156         (ix86_handle_option): Handle -menqcmd.
9157         * config.gcc (enqcmdintrin.h): New header file.
9158         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9159         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9160         -menqcmd.
9161         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9162         function type.
9163         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9164         __builtin_ia32_enqcmds): New builtins.
9165         * config/i386/i386-c.c (__ENQCMD__): New macro.
9166         * config/i386/i386-option.c (ix86_target_string): Add
9167         -menqcmd.
9168         (ix86_valid_target_attribute_inner_p): Likewise.
9169         * config/i386/i386-expand.c
9170         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9171         IX86_BUILTIN_ENQCMDS.
9172         * config/i386/i386.h (TARGET_ENQCMD): New.
9173         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9174         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9175         (movdir64b_<mode>): Parameterize to enable share expansion code
9176         with ENQCMD in function ix86_expand_builtin.
9177         * config/i386/i386.opt: Add -menqcmd.
9178         * config/i386/immintrin.h: Include enqcmdintrin.h.
9179         * config/i386/enqcmdintrin.h: New intrinsic file.
9180         * doc/invoke.texi: Add -menqcmd.
9181
9182 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9183             Steve Ellcey <sellcey@marvell.com>
9184
9185         PR target/85711
9186         * recog.c (address_operand): Return false on wrong mode for address.
9187         (constrain_operands): Check for mode with 'p' constraint.
9188
9189 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9190
9191         PR target/88998
9192         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9193         Disparage MMX alternative.
9194         (sse2_cvtpd2pi): Ditto.
9195         (sse2_cvttpd2pi): Ditto.
9196
9197 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9198
9199         PR driver/89014
9200         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9201         use-after-free of the result of
9202         aarch64_get_extension_string_for_isa_flags.
9203
9204 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9205
9206         PR c/44715
9207         * doc/extend.texi: Document break and continue behavior in
9208         statement expressions.
9209
9210 2019-01-23  Richard Biener  <rguenther@suse.de>
9211
9212         PR tree-optimization/89008
9213         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9214         not leave another stray operand.
9215
9216 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9217
9218         * BASE-VER: Bump to 9.0.1.
9219
9220 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9221
9222         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9223         thunk that returns by reference, use the type of the return object
9224         of the thunk instead of that of the alias to build the dereference.
9225
9226 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9227
9228         * config/arc/atomic.md: Add operand to DMB instruction.
9229
9230 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9231
9232         PR tree-optimization/88964
9233         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9234         build_zero_cst instead of build_int_cst.  Return false for loop
9235         invariants which honor signed zeros.
9236
9237 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9238
9239         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9240
9241 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9242
9243         PR target/88965
9244         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9245         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9246         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9247
9248         PR middle-end/88968
9249         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9250         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9251
9252         PR target/87064
9253         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9254         Disable for little endian.
9255
9256 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9257
9258         PR target/88469
9259         * config/arm/arm.c (arm_needs_double_word_align): Check
9260         DECL_BIT_FIELD_TYPE.
9261
9262 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9263             H.J. Lu  <hongjiu.lu@intel.com>
9264
9265         PR target/88909
9266         * config/i386/i386-builtin.def: Add mask2 to all builtin
9267         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9268         SPECIAL_ARGS.
9269         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9270         (BDESC_FIRST): Likewise.
9271         (define_builtin): Add an argument for mask2.  Updated to handle
9272         both ix86_isa_flags and ix86_isa_flags2.
9273         (define_builtin_const): Likewise.
9274         (define_builtin_pure): Likewise.
9275         (define_builtin2): Deleted.
9276         (define_builtin_const2): Likewise.
9277         (builtin_description): Add a member, mask2.
9278         (bdesc_*): Add mask2 to builtin initializations.
9279         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9280         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9281         support.
9282         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9283
9284 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9285
9286         PR target/88954
9287         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9288         noplt attribute.
9289
9290 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9291
9292         PR target/88469
9293         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9294         alignment is dominated by a bitfield with 64-bit aligned base type.
9295         (arm_function_arg): Emit a warning if the alignment has changed since
9296         earlier GCC releases.
9297         (arm_function_arg_boundary): Likewise.
9298         (arm_setup_incoming_varargs): Likewise.
9299
9300 2019-01-22  Richard Biener  <rguenther@suse.de>
9301
9302         PR tree-optimization/88862
9303         * graphite-scop-detection.c
9304         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9305
9306 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9307
9308         * doc/extend.tex (AMD GCN Function Attributes): New section.
9309         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9310         * doc/invoke.texi (AMD GCN Options): New section.
9311         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9312
9313 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9314
9315         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9316         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9317
9318 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9319
9320         PR tree-optimization/88044
9321         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9322         is false in the first iteration, but !every_iteration, return false
9323         instead of true with niter->niter zero.
9324
9325         PR rtl-optimization/88904
9326         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9327         any nonequal registers before processing BB_END (b).
9328
9329         PR target/88905
9330         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9331         GET_MODE (op0).
9332         (expand_binop_directly, expand_doubleword_clz,
9333         expand_doubleword_popcount, expand_ctz, expand_ffs,
9334         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9335
9336         PR rtl-optimization/49429
9337         PR target/49454
9338         PR rtl-optimization/86334
9339         PR target/88906
9340         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9341         addressable from here...
9342         (emit_block_op_via_libcall): ... to here.
9343
9344 2019-01-22  Richard Biener  <rguenther@suse.de>
9345
9346         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9347         auto_vec for cost vector to fix memleak.
9348         (vectorize_fold_left_reduction): Properly gather SLP defs.
9349         (vectorizable_comparison): Do not swap operands to properly
9350         gather SLP defs.
9351
9352 2019-01-22  Alan Modra  <amodra@gmail.com>
9353
9354         PR target/88614
9355         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9356         stays a reg.  Allow a const_int.
9357         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9358         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9359         (IS_NOMARK_TLSGETADDR): Define.
9360         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9361         (rs6000_output_tlsargs): New function.
9362         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9363         __tls_get_addr call takes an arg.
9364         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9365         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9366         delete split..
9367         (call_value_nonlocal_sysv): ..or here, delete split.
9368         (tls_gdld_nomark): Delete.
9369         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9370         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9371         (call_value_nonlocal_sysv): Likewise.
9372         (call_value_nonlocal_sysv_secure): Likewise.
9373         (call_value_nonlocal_aix): Likewise.
9374         (call_value_indirect_aix): Likewise.
9375         (call_value_indirect_elfv2): Likewise.
9376         (call_value_local32, call_value_local64): Disable for no-mark tls.
9377         (call_value_local_aix): Likewise.
9378
9379 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9380
9381         PR target/88938
9382         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9383         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9384
9385 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9386
9387         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9388         string contents as hash_map keys.
9389
9390 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9391
9392         PR c/88928
9393         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9394         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9395         instead of TYPE_ALIGN.
9396         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9397         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9398         pointer from TYPE_STUB_DECL.
9399
9400 2019-01-21  Richard Biener  <rguenther@suse.de>
9401
9402         PR tree-optimization/88934
9403         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9404         at the possibly non-constant operand.
9405         (vect_get_constant_vectors): Adjust.
9406
9407 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9408
9409         PR target/71659
9410         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9411         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9412         instead of _X86INTRIN_H_INCLUDED.
9413         * onfig/i386/clwbintrin.h: Likewise.
9414         * config/i386/pkuintrin.h: Likewise.
9415         * config/i386/prfchwintrin.h: Likewise.
9416         * config/i386/rdseedintrin.h: Likewise.
9417         * config/i386/wbnoinvdintrin.h: Likewise.
9418         * config/i386/xsavecintrin.h: Likewise.
9419         * config/i386/xsavesintrin.h: Likewise.
9420         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9421         * config/i386/xsaveintrin.h: Likewise.
9422         * config/i386/xsaveoptintrin.h: Likewise.
9423         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9424         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9425         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9426         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9427         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9428         * config/i386/immintrin.h: Here.
9429
9430 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9431
9432         PR ipa/87615
9433         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9434         with aa_walk_budget.
9435         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9436         aa_walk_budget_p parameter.
9437         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9438         walk.  Updated all callers.
9439         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9440         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9441         unmodified_parm.
9442         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9443         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9444         and to unmodified_parm.
9445         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9446         info, updated call to will_be_nonconstant_expr_predicate.
9447         (param_change_prob): New parameter fbi, limit AA walking.
9448         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9449         calls to various above functions.
9450         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9451         parameter.  Use it to limit AA walking.
9452         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9453         fbi, limit AA walk.
9454         (detect_type_change): New parameter fbi, pass it on to
9455         detect_type_change_from_memory_writes.
9456         (detect_type_change_ssa): Likewise.
9457         (aa_overwalked): Removed.
9458         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9459         accordingly, adjust to the neew AA limiting scheme.
9460         (parm_ref_data_preserved_p): Likewise.
9461         (ipa_compute_jump_functions_for_edge): Adjust call to
9462         get_dynamic_type.
9463         (ipa_analyze_call_uses): Likewise.
9464         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9465         (ipa_analyze_node): Initialize aa_walk_budget.
9466         (ipcp_transform_function): Likewise.
9467         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9468         to get_dynamic_type.
9469
9470 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9471
9472         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9473         outside of #if CHECKING_P code.
9474
9475 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9476
9477         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9478         New function, split out from...
9479         (loop_versioning::analyze_stride): ...here.
9480         (loop_versioning::find_per_loop_multiplication): Use gassign.
9481         (loop_versioning::analyze_term_using_scevs): Return a success code.
9482         (loop_versioning::analyze_arbitrary_term): New function.
9483         (loop_versioning::analyze_address_fragment): Use
9484         analyze_arbitrary_term if all else fails.
9485
9486 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9487
9488         PR target/88892
9489         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9490         operands.
9491
9492 2019-01-18  Richard Biener  <rguenther@suse.de>
9493
9494         PR tree-optimization/88903
9495         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9496         scalar stmts a SLP shift amount is composed of when detecting
9497         shifts by scalars.
9498
9499 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9500
9501         PR target/88799
9502         * config/arm/arm-cpus.in (mp): New feature.
9503         (sec): New feature.
9504         (fgroup ARMv7ve): Add mp and sec features.
9505         (arch armv7-a): Add options to allow mp and sec extensions.
9506         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9507         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9508         extenstions to the base architecture.
9509         (cpu cortex-a8): Add sec extension to the base architecture.
9510         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9511         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9512         variants down to the base v7-a varaint.
9513         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9514         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9515         of permitted extensions for -march=armv7-a and for
9516         -mcpu=generic-armv7-a.
9517
9518 2019-01-18  Martin Liska  <mliska@suse.cz>
9519
9520         * params.def: Fix comment.
9521         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9522         name.
9523         (gimple_gen_ic_func_profiler): Likewise.
9524
9525 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9526
9527         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9528         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9529         and put in error checks for stack protector guard options.
9530         (aarch64_stack_protect_guard): New.
9531         (TARGET_STACK_PROTECT_GUARD): Define.
9532         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9533         (reg_stack_protect_address<mode>): New.
9534         (stack_protect_set): Adjust for SSP_GLOBAL.
9535         (stack_protect_test): Likewise.
9536         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9537         (-mstack-protector-guard): Likewise.
9538         (-mstack-protector-guard-offset): Likewise.
9539
9540 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9541
9542         PR tree-optimization/86214
9543         * tree-inline.h (struct copy_body_data): Add
9544         add_clobbers_to_eh_landing_pads member.
9545         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9546         (copy_edges_for_bb): Call it if EH edge destination is <
9547         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9548         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9549         if flag_stack_reuse != SR_NONE and clear it afterwards.
9550
9551 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9552
9553         PR target/85596
9554         * doc/install.texi (with-multilib-list): Document for aarch64.
9555
9556 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9557
9558         PR target/88734
9559         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9560         (("..."))) with ("...").
9561
9562 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9563
9564         * doc/extend.texi (Built-in Functions for Memory Model Aware
9565         Atomic Operations): Document atomic fetch and nand.
9566
9567 2019-01-18  Martin Liska  <mliska@suse.cz>
9568             Richard Biener  <rguenther@suse.de>
9569
9570         PR middle-end/88587
9571         * cgraph.h (create_version_clone_with_body): Add new argument
9572         with attributes.
9573         * cgraphclones.c (cgraph_node::create_version_clone): Add
9574         DECL_ATTRIBUTES to a newly created decl.  And call
9575         valid_attribute_p so that proper cl_target_optimization_node
9576         is set for the newly created declaration.
9577         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9578         for declaration.
9579         (expand_target_clones): Do not call valid_attribute_p, it must
9580         be already done.
9581         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9582         vector types.
9583
9584 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9585
9586         PR target/88734
9587         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9588         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9589         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9590
9591 2019-01-17  Martin Sebor  <msebor@redhat.com>
9592
9593         PR middle-end/88273
9594         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9595         Handle anti-ranges the same as no range at all.
9596
9597 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9598
9599         * config/aarch64/aarch64.c (cgraph.h): New include.
9600         (intl.h): New include.
9601         (supported_simd_type): New function.
9602         (currently_supported_simd_type): Ditto.
9603         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9604         (aarch64_simd_clone_adjust): Ditto.
9605         (aarch64_simd_clone_usable): Ditto.
9606         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9607         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9608         (TARGET_SIMD_CLONE_USABLE): Ditto.
9609         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9610         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9611         call.
9612
9613 2019-01-17  Martin Sebor  <msebor@redhat.com>
9614
9615         PR tree-optimization/88800
9616         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9617         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9618         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9619         redundant argument.  Add new argument and issue diagnostics under
9620         its control.  Detect out-of-bounds access even with warnings
9621         disabled.
9622         (check_bounds_or_overlap): Change return type.  Add argument.
9623         (wrestrict_dom_walker::check_call): Adjust.
9624         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9625         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9626         check_bounds_or_overlap's return value.
9627         (handle_builtin_stxncpy): Same.
9628         (handle_builtin_strcat): Same.
9629
9630 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9631             Kwok Cheung Yeung  <kcy@codesourcery.com>
9632             Julian Brown  <julian@codesourcery.com>
9633             Tom de Vries  <tom@codesourcery.com>
9634
9635         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9636
9637 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9638
9639         * doc/sourcebuild.texi: Document dg-require-effective-target
9640         llvm_binutils and offload_gcn.
9641
9642 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9643             Kwok Cheung Yeung  <kcy@codesourcery.com>
9644             Julian Brown  <julian@codesourcery.com>
9645             Tom de Vries  <tom@codesourcery.com>
9646
9647         * doc/sourcebuild.texi: Document dg-required-effective-target
9648         exceptions.
9649
9650 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9651             Kwok Cheung Yeung  <kcy@codesourcery.com>
9652             Julian Brown  <julian@codesourcery.com>
9653             Tom de Vries  <tom@codesourcery.com>
9654             Jan Hubicka  <hubicka@ucw.cz>
9655             Martin Jambor  <mjambor@suse.cz>
9656
9657         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9658         * configure.ac: Check for dlopen.
9659         * configure: Regenerate.
9660
9661 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9662             Kwok Cheung Yeung  <kcy@codesourcery.com>
9663             Julian Brown  <julian@codesourcery.com>
9664             Tom de Vries  <tom@codesourcery.com>
9665             Jan Hubicka  <hubicka@ucw.cz>
9666             Martin Jambor  <mjambor@suse.cz>
9667
9668         * common/config/gcn/gcn-common.c: New file.
9669         * config/gcn/driver-gcn.c: New file.
9670         * config/gcn/gcn-builtins.def: New file.
9671         * config/gcn/gcn-hsa.h: New file.
9672         * config/gcn/gcn-modes.def: New file.
9673         * config/gcn/gcn-opts.h: New file.
9674         * config/gcn/gcn-passes.def: New file.
9675         * config/gcn/gcn-protos.h: New file.
9676         * config/gcn/gcn-run.c: New file.
9677         * config/gcn/gcn-tree.c: New file.
9678         * config/gcn/gcn.c: New file.
9679         * config/gcn/gcn.h: New file.
9680         * config/gcn/gcn.opt: New file.
9681         * config/gcn/t-gcn-hsa: New file.
9682
9683 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9684             Kwok Cheung Yeung  <kcy@codesourcery.com>
9685             Julian Brown  <julian@codesourcery.com>
9686             Tom de Vries  <tom@codesourcery.com>
9687             Jan Hubicka  <hubicka@ucw.cz>
9688             Martin Jambor  <mjambor@suse.cz>
9689
9690         * config/gcn/constraints.md: New file.
9691         * config/gcn/gcn-valu.md: New file.
9692         * config/gcn/gcn.md: New file.
9693         * config/gcn/predicates.md: New file.
9694
9695 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9696
9697         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9698         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9699         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9700         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9701
9702 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9703
9704         PR target/88851
9705         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9706         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9707         it and document registers.
9708
9709 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9710
9711         * config/aarch64/aarch64.c (ares_tunings): Define.
9712         * config/aarch64/aarch64-cores.def (ares): Use the above.
9713
9714 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9715
9716         PR target/88794
9717         Revert:
9718         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9719
9720         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9721         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9722         (_mm512_maskz_fixupimm_round_pd): Ditto.
9723         (_mm512_fixupimm_round_ps): Ditto.
9724         (_mm512_maskz_fixupimm_round_ps): Ditto.
9725         (_mm_fixupimm_round_sd): Ditto.
9726         (_mm_maskz_fixupimm_round_sd): Ditto.
9727         (_mm_fixupimm_round_ss): Ditto.
9728         (_mm_maskz_fixupimm_round_ss): Ditto.
9729         (_mm512_fixupimm_pd): Ditto.
9730         (_mm512_maskz_fixupimm_pd): Ditto.
9731         (_mm512_fixupimm_ps): Ditto.
9732         (_mm512_maskz_fixupimm_ps): Ditto.
9733         (_mm_fixupimm_sd): Ditto.
9734         (_mm_maskz_fixupimm_sd): Ditto.
9735         (_mm_fixupimm_ss): Ditto.
9736         (_mm_maskz_fixupimm_ss): Ditto.
9737         (_mm512_mask_fixupimm_round_pd): Update builtin.
9738         (_mm512_mask_fixupimm_round_ps): Ditto.
9739         (_mm_mask_fixupimm_round_sd): Ditto.
9740         (_mm_mask_fixupimm_round_ss): Ditto.
9741         (_mm512_mask_fixupimm_pd): Ditto.
9742         (_mm512_mask_fixupimm_ps): Ditto.
9743         (_mm_mask_fixupimm_sd): Ditto.
9744         (_mm_mask_fixupimm_ss): Ditto.
9745         * config/i386/avx512vlintrin.h:
9746         (_mm256_fixupimm_pd): Update parameters and builtin.
9747         (_mm256_maskz_fixupimm_pd): Ditto.
9748         (_mm256_fixupimm_ps): Ditto.
9749         (_mm256_maskz_fixupimm_ps): Ditto.
9750         (_mm_fixupimm_pd): Ditto.
9751         (_mm_maskz_fixupimm_pd): Ditto.
9752         (_mm_fixupimm_ps): Ditto.
9753         (_mm_maskz_fixupimm_ps): Ditto.
9754         (_mm256_mask_fixupimm_pd): Update builtin.
9755         (_mm256_mask_fixupimm_ps): Ditto.
9756         (_mm_mask_fixupimm_pd): Ditto.
9757         (_mm_mask_fixupimm_ps): Ditto.
9758         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9759         * config/i386/i386-builtin.def: Update builtin definitions.
9760         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9761         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9762         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9763         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9764         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9765         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9766         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9767         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9768         * config/i386/subst.md:
9769         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9770         (round_saeonly_sd_mask_op4): Ditto.
9771         (round_saeonly_expand_operand5): Ditto.
9772         (round_saeonly_expand): Update.
9773
9774 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9775
9776         PR target/88794
9777         Revert:
9778         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9779
9780         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9781         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9782         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9783         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9784         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9785         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9786         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9787
9788 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9789
9790         PR target/88794
9791         Revert:
9792         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9793
9794         PR target/88489
9795         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9796         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9797         instead of UNSPEC_FIXUPIMM.
9798
9799 2019-01-17  Richard Biener  <rguenther@suse.de>
9800
9801         PR lto/86736
9802         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9803         and friends for the LTO part of debug info.
9804
9805 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9806
9807         PR tree-optimization/86214
9808         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9809         if x == y.
9810
9811         PR rtl-optimization/88870
9812         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9813         throw if we can't alter the cfg or delete dead exceptions.
9814         (mark_insn): Don't call find_call_stack_args for such calls.
9815
9816 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9817
9818         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9819         prototypes for vec_st.
9820         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9821         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9822         mainly on signed/unsigned long long and double.
9823
9824 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9825
9826         PR target/88861
9827         * combine.c (delete_noop_moves): Convert to "bool" return,
9828         returning true if any edges are eliminated.
9829         (combine_instructions): Also return true if delete_noop_moves
9830         returns true.
9831
9832 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9833
9834         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9835         correct max nunits for endian swap.
9836         (aarch64_expand_fcmla_builtin): Correct subreg code.
9837         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9838         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9839         lane endianness.
9840
9841 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9842
9843         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9844         Handle split indirect COMPLEX_TYPE arguments.
9845
9846 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9847
9848         PR target/86891
9849         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9850         bit is set by add and compare.
9851         (CC_ADC): New CC_MODE.
9852         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9853         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9854         comparison.  Add detection for CC_ADCmode.
9855         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9856         CC_ADCmode.
9857         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9858         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9859         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9860         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9861         to eliminate the need for zero-extending the operands.
9862         (add<mode>3_compareC_imm): Delete.  Merge into ...
9863         (add<mode>3_compareC): ... this.  Restructure the comparison to
9864         eliminate the need for zero-extending the operands.
9865         (add<mode>3_carryin): Use LTU for the overflow detection.
9866         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9867         Reexpress comparison for overflow.
9868         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9869         (add<mode>3_carryinC): Likewise.
9870         (add<mode>3_carryinV): Use LTU for carry between partials.
9871         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9872         handling of CC_Cmode and add CC_ADCmode.
9873         (aarch64_borrow_operation): Likewise.
9874
9875 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9876
9877         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9878         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9879         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9880         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9881
9882 2019-01-16  Martin Liska  <mliska@suse.cz>
9883
9884         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9885         for GCC driver.
9886         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9887         a new argument.
9888         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9889         (path_prefix_reset): Move up in the source file.
9890         (find_fortran_preinclude_file): Make complex search for the
9891         fortran header files.
9892
9893 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9894
9895         * godump.c (go_output_typedef): When outputting a typedef, refer
9896         to the underlying type by its name and not its structure.
9897
9898 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9899
9900         PR c++/88795
9901         * tree.c (build_function_type): Assert that arg_types is not
9902         error_mark_node.
9903
9904 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9905
9906         PR inline-asm/52813
9907         * doc/extend.texi: Document that listing the stack pointer in the
9908         clobber list of an asm is a deprecated feature.
9909         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9910         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9911         warning instead of an error for clobbers of the stack pointer.
9912         Add a note explaining why.
9913
9914 2019-01-15  Richard Biener  <rguenther@suse.de>
9915
9916         PR debug/88046
9917         * dwarf2out.c (gen_member_die): Do not generate inheritance
9918         DIEs late.
9919
9920 2019-01-15  Richard Biener  <rguenther@suse.de>
9921
9922         PR tree-optimization/88855
9923         * tree-if-conv.c (combine_blocks): Collect
9924         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9925
9926 2019-01-15  Tom de Vries  <tdevries@suse.de>
9927
9928         PR target/80547
9929         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9930         lhs == NULL_TREE for gang-level reduction.
9931
9932 2019-01-15  Richard Biener  <rguenther@suse.de>
9933             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9934
9935         PR ipa/88788
9936         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9937         return true if SSA_NAME is already marked in visited bitmap.
9938         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9939
9940 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9941
9942         PR tree-optimization/88775
9943         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9944         equal == 0 equality pointer comparisons some more if compared in
9945         integral types and either one points to an automatic var and the
9946         other to a global, or we can prove at least one points to the middle
9947         or both point to start or both point to end.
9948
9949 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9950
9951         * Makefile.in: Lower autofdo sampling rate by 10x.
9952         * Makefile.tpl: Dito.
9953
9954 2019-01-14  Tom Honermann  <tom@honermann.net>
9955
9956         * defaults.h: Define CHAR8_TYPE.
9957
9958 2019-01-14  Martin Sebor  <msebor@redhat.com>
9959
9960         PR target/88638
9961         * doc/extend.texi (Darwin Format Checks): Clarify.
9962
9963 2019-01-14  Richard Biener  <rguenther@suse.de>
9964
9965         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9966         whether we are in (simplify ...) or (match ...) context.
9967
9968 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9969
9970         PR rtl-optimization/88796
9971         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9972         * cfgexpand.c (stack_protect_prologue): Initialize
9973         crtl->stack_protect_guard_decl.
9974         * function.c (stack_protect_epilogue): Use it instead of calling
9975         targetm.stack_protect_guard again.
9976         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9977         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9978         crtl->stack_protect_guard_decl.
9979         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9980         on the returned MEM_EXPR.
9981
9982 2019-01-12  Tom de Vries  <tdevries@suse.de>
9983
9984         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9985         vector length using -fopenacc-dim.
9986
9987 2019-01-12  Tom de Vries  <tdevries@suse.de>
9988
9989         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9990         lengths into account.
9991
9992 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9993
9994         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9995         (TARGET_CAN_SPLIT_STACK): Define.
9996         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9997
9998 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9999
10000         * params.def (inline-unit-growth): Set to 40.
10001
10002 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10003
10004         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10005
10006 2019-01-12  Tom de Vries  <tdevries@suse.de>
10007
10008         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10009         region calling vector-partitionable routine, set default_vector_length
10010         to WARP_SIZE.
10011
10012 2019-01-12  Tom de Vries  <tdevries@suse.de>
10013
10014         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10015         variable default_vector_length.
10016
10017 2019-01-12  Tom de Vries  <tdevries@suse.de>
10018
10019         PR middle-end/88703
10020         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10021         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10022         dimensions limits.
10023
10024 2019-01-12  Tom de Vries  <tdevries@suse.de>
10025
10026         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10027         (nvptx_goacc_validate_dims): Add used parameter.
10028         * doc/tm.texi: Regenerate.
10029         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10030         argument to call to targetm.goacc.validate_dims.
10031         (default_goacc_validate_dims): Add used
10032         parameter.
10033         * target.def (validate_dims): Add used parameter in DEFHOOK.
10034         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10035
10036 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10037
10038         PR middle-end/85956
10039         PR lto/88733
10040         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10041         field.
10042         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10043         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10044         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10045         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10046
10047 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10048
10049         PR rtl-optimization/87305
10050         * lra-assigns.c
10051         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10052         for little endian pseudos used as paradoxical subreg.
10053
10054 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10055
10056         PR tree-optimization/88693
10057         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10058         for STRING_CSTs that don't contain any NUL characters in the first
10059         TREE_STRING_LENGTH bytes.
10060
10061 2019-01-11  Alan Modra  <amodra@gmail.com>
10062
10063         PR 88777
10064         PR 88614
10065         * genattrtab.c (min_fn): Don't translate values.
10066         (min_attr_value): Return INT_MAX when the value can't be calculated.
10067         Return minimum among any values that can be calculated.
10068         (max_attr_value): Adjust.
10069
10070 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10071
10072         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10073
10074 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10075
10076         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10077         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10078         (aarch64_return_call_with_max_clobbers): New function.
10079         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10080         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10081         argument.
10082         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10083         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10084         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10085         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10086         * cselib.c (cselib_process_insn): Add argument to
10087         targetm.hard_regno_call_part_clobbered call.
10088         * ira-conflicts.c (ira_build_conflicts): Ditto.
10089         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10090         * lra-constraints.c (inherit_reload_reg): Ditto.
10091         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10092         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10093         argument.  Call targetm.return_call_with_max_clobbers.
10094         Add argument to targetm.hard_regno_call_part_clobbered call.
10095         (calls_have_same_clobbers_p): New function.
10096         (process_bb_lives): Add call_insn and last_call_insn variables.
10097         Pass call_insn to check_pseudos_live_through_calls.
10098         Modify if stmt to check targetm.return_call_with_max_clobbers.
10099         Update setting of flush variable.
10100         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10101         to false.
10102         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10103         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10104         targetm.hard_regno_call_part_clobbered call.
10105         * reginfo.c (choose_hard_reg_mode): Ditto.
10106         * regrename.c (check_new_reg_p): Ditto.
10107         * reload.c (find_equiv_reg): Ditto.
10108         * reload1.c (emit_reload_insns): Ditto.
10109         * sched-deps.c (deps_analyze_insn): Ditto.
10110         * sel-sched.c (init_regs_for_mode): Ditto.
10111         (mark_unavailable_hard_regs): Ditto.
10112         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10113         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10114         (return_call_with_max_clobbers): New target function.
10115         * doc/tm.texi: Regenerate.
10116         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10117         * hooks.c (hook_bool_uint_mode_false): Change to
10118         hook_bool_insn_uint_mode_false.
10119         * hooks.h (hook_bool_uint_mode_false): Ditto.
10120
10121 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10122
10123         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10124         (aarch64_remove_extra_call_preserved_regs): New function.
10125         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10126         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10127         * doc/tm.texi: Regenerate.
10128         * final.c (get_call_reg_set_usage): Call new hook.
10129         * target.def (remove_extra_call_preserved_regs): New hook.
10130         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10131         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10132
10133 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10134
10135         PR bootstrap/88714
10136         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10137         inside of pass_combine_1 dump rather than pass_profile_1.
10138
10139 2019-01-11  Tom de Vries  <tdevries@suse.de>
10140
10141         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10142         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10143         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10144         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10145         num_workers 16.
10146
10147 2019-01-11  Tom de Vries  <tdevries@suse.de>
10148
10149         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10150
10151 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10152
10153         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10154         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10155         sse2_cvtsi2sd): Add {l}.
10156         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10157         syntax.
10158
10159 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10160
10161         PR target/88785
10162         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10163         define_expand.
10164         (*float<floatunssuffix>v2div2sf2): New define_insn.
10165         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10166         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10167         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10168         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10169         match_operands with "const0_operand" "C".
10170
10171 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10172
10173         * config/aarch64/aarch64-builtins.c
10174         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10175         (aarch64_init_simd_builtins): ...Here
10176
10177 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10178
10179         PR rtl-optimization/87305
10180         * lra-assigns.c
10181         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10182         allocation for big endian pseudos used as paradoxical subregs and
10183         spill them if it is wrong.
10184         * lra-constraints.c (lra_constraints): Add a comment.
10185
10186 2019-01-10  Richard Biener  <rguenther@suse.de>
10187
10188         PR tree-optimization/88792
10189         * tree-ssa-pre.c (get_representative_for): Do not return a
10190         value-number here.
10191
10192 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10193
10194         PR middle-end/84877
10195         PR bootstrap/88450
10196         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10197         (assign_parm_setup_block): Do the argument slot realignment here
10198         instead.
10199
10200 2019-01-10  Stefan Agner  <stefan@agner.ch>
10201
10202         PR target/88648
10203         * config/arm/arm.c (arm_option_override_internal): Force
10204         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10205
10206 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10207
10208         PR c/88568
10209         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10210         DECL_EXTERNAL.
10211
10212 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10213
10214         * config/arm/arm-builtins.c
10215         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10216         (MAC_LANE_PAIR_QUALIFIERS): New.
10217         (arm_expand_builtin_args): Use it.
10218         (arm_expand_builtin_1): Likewise.
10219         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10220         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10221         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10222         * config/arm/arm_neon.h:
10223         (vcadd_rot90_f16): New.
10224         (vcaddq_rot90_f16): New.
10225         (vcadd_rot270_f16): New.
10226         (vcaddq_rot270_f16): New.
10227         (vcmla_f16): New.
10228         (vcmlaq_f16): New.
10229         (vcmla_lane_f16): New.
10230         (vcmla_laneq_f16): New.
10231         (vcmlaq_lane_f16): New.
10232         (vcmlaq_laneq_f16): New.
10233         (vcmla_rot90_f16): New.
10234         (vcmlaq_rot90_f16): New.
10235         (vcmla_rot90_lane_f16): New.
10236         (vcmla_rot90_laneq_f16): New.
10237         (vcmlaq_rot90_lane_f16): New.
10238         (vcmlaq_rot90_laneq_f16): New.
10239         (vcmla_rot180_f16): New.
10240         (vcmlaq_rot180_f16): New.
10241         (vcmla_rot180_lane_f16): New.
10242         (vcmla_rot180_laneq_f16): New.
10243         (vcmlaq_rot180_lane_f16): New.
10244         (vcmlaq_rot180_laneq_f16): New.
10245         (vcmla_rot270_f16): New.
10246         (vcmlaq_rot270_f16): New.
10247         (vcmla_rot270_lane_f16): New.
10248         (vcmla_rot270_laneq_f16): New.
10249         (vcmlaq_rot270_lane_f16): New.
10250         (vcmlaq_rot270_laneq_f16): New.
10251         (vcadd_rot90_f32): New.
10252         (vcaddq_rot90_f32): New.
10253         (vcadd_rot270_f32): New.
10254         (vcaddq_rot270_f32): New.
10255         (vcmla_f32): New.
10256         (vcmlaq_f32): New.
10257         (vcmla_lane_f32): New.
10258         (vcmla_laneq_f32): New.
10259         (vcmlaq_lane_f32): New.
10260         (vcmlaq_laneq_f32): New.
10261         (vcmla_rot90_f32): New.
10262         (vcmlaq_rot90_f32): New.
10263         (vcmla_rot90_lane_f32): New.
10264         (vcmla_rot90_laneq_f32): New.
10265         (vcmlaq_rot90_lane_f32): New.
10266         (vcmlaq_rot90_laneq_f32): New.
10267         (vcmla_rot180_f32): New.
10268         (vcmlaq_rot180_f32): New.
10269         (vcmla_rot180_lane_f32): New.
10270         (vcmla_rot180_laneq_f32): New.
10271         (vcmlaq_rot180_lane_f32): New.
10272         (vcmlaq_rot180_laneq_f32): New.
10273         (vcmla_rot270_f32): New.
10274         (vcmlaq_rot270_f32): New.
10275         (vcmla_rot270_lane_f32): New.
10276         (vcmla_rot270_laneq_f32): New.
10277         (vcmlaq_rot270_lane_f32): New.
10278         (vcmlaq_rot270_laneq_f32): New.
10279         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10280         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10281         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10282         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10283         vcmlaq_lane270): New.
10284         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10285         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10286         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10287         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10288         (arm_option_reconfigure_globals): Use them.
10289         * config/arm/iterators.md (VDF, VQ_HSF): New.
10290         (VCADD, VCMLA): New.
10291         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10292         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10293         New.
10294         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10295         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10296
10297 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10298
10299         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10300         Add qualifier_lane_pair_index.
10301         (emit-rtl.h): Include.
10302         (TYPES_QUADOP_LANE_PAIR): New.
10303         (aarch64_simd_expand_args): Use it.
10304         (aarch64_simd_expand_builtin): Likewise.
10305         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10306         New.
10307         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10308         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10309         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10310         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10311         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10312         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10313         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10314         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10315         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10316         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10317         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10318         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10319         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10320         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10321         Add __ARM_FEATURE_COMPLEX.
10322         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10323         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10324         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10325         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10326         fcmlaq_lane270): New.
10327         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10328         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10329         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10330         * config/aarch64/arm_neon.h:
10331         (vcadd_rot90_f16): New.
10332         (vcaddq_rot90_f16): New.
10333         (vcadd_rot270_f16): New.
10334         (vcaddq_rot270_f16): New.
10335         (vcmla_f16): New.
10336         (vcmlaq_f16): New.
10337         (vcmla_lane_f16): New.
10338         (vcmla_laneq_f16): New.
10339         (vcmlaq_lane_f16): New.
10340         (vcmlaq_rot90_lane_f16): New.
10341         (vcmla_rot90_laneq_f16): New.
10342         (vcmla_rot90_lane_f16): New.
10343         (vcmlaq_rot90_f16): New.
10344         (vcmla_rot90_f16): New.
10345         (vcmlaq_laneq_f16): New.
10346         (vcmla_rot180_laneq_f16): New.
10347         (vcmla_rot180_lane_f16): New.
10348         (vcmlaq_rot180_f16): New.
10349         (vcmla_rot180_f16): New.
10350         (vcmlaq_rot90_laneq_f16): New.
10351         (vcmlaq_rot270_laneq_f16): New.
10352         (vcmlaq_rot270_lane_f16): New.
10353         (vcmla_rot270_laneq_f16): New.
10354         (vcmlaq_rot270_f16): New.
10355         (vcmla_rot270_f16): New.
10356         (vcmlaq_rot180_laneq_f16): New.
10357         (vcmlaq_rot180_lane_f16): New.
10358         (vcmla_rot270_lane_f16): New.
10359         (vcadd_rot90_f32): New.
10360         (vcaddq_rot90_f32): New.
10361         (vcaddq_rot90_f64): New.
10362         (vcadd_rot270_f32): New.
10363         (vcaddq_rot270_f32): New.
10364         (vcaddq_rot270_f64): New.
10365         (vcmla_f32): New.
10366         (vcmlaq_f32): New.
10367         (vcmlaq_f64): New.
10368         (vcmla_lane_f32): New.
10369         (vcmla_laneq_f32): New.
10370         (vcmlaq_lane_f32): New.
10371         (vcmlaq_laneq_f32): New.
10372         (vcmla_rot90_f32): New.
10373         (vcmlaq_rot90_f32): New.
10374         (vcmlaq_rot90_f64): New.
10375         (vcmla_rot90_lane_f32): New.
10376         (vcmla_rot90_laneq_f32): New.
10377         (vcmlaq_rot90_lane_f32): New.
10378         (vcmlaq_rot90_laneq_f32): New.
10379         (vcmla_rot180_f32): New.
10380         (vcmlaq_rot180_f32): New.
10381         (vcmlaq_rot180_f64): New.
10382         (vcmla_rot180_lane_f32): New.
10383         (vcmla_rot180_laneq_f32): New.
10384         (vcmlaq_rot180_lane_f32): New.
10385         (vcmlaq_rot180_laneq_f32): New.
10386         (vcmla_rot270_f32): New.
10387         (vcmlaq_rot270_f32): New.
10388         (vcmlaq_rot270_f64): New.
10389         (vcmla_rot270_lane_f32): New.
10390         (vcmla_rot270_laneq_f32): New.
10391         (vcmlaq_rot270_lane_f32): New.
10392         (vcmlaq_rot270_laneq_f32): New.
10393         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10394         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10395         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10396         (FCADD, FCMLA): New.
10397         (rot): New.
10398         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10399
10400 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10401
10402         PR other/16615
10403
10404         * config/pa/pa.c: Change "can not" to "cannot".
10405         * gimple-ssa-evrp-analyze.c: Likewise.
10406         * ipa-icf.c: Likewise.
10407         * ipa-polymorphic-call.c: Likewise.
10408         * ipa-pure-const.c: Likewise.
10409         * lra-constraints.c: Likewise.
10410         * lra-remat.c: Likewise.
10411         * reload1.c: Likewise.
10412         * reorg.c: Likewise.
10413         * tree-ssa-uninit.c: Likewise.
10414
10415 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10416
10417         PR other/16615
10418
10419         * Makefile.in: Mechanically replace "can not" with "cannot".
10420         * alias.c: Likewise.
10421         * builtins.c: Likewise.
10422         * calls.c: Likewise.
10423         * cgraph.c: Likewise.
10424         * cgraph.h: Likewise.
10425         * cgraphclones.c: Likewise.
10426         * cgraphunit.c: Likewise.
10427         * combine-stack-adj.c: Likewise.
10428         * combine.c: Likewise.
10429         * common/config/i386/i386-common.c: Likewise.
10430         * config/aarch64/aarch64.c: Likewise.
10431         * config/alpha/sync.md: Likewise.
10432         * config/arc/arc.c: Likewise.
10433         * config/arc/predicates.md: Likewise.
10434         * config/arm/arm-c.c: Likewise.
10435         * config/arm/arm.c: Likewise.
10436         * config/arm/arm.h: Likewise.
10437         * config/arm/arm.md: Likewise.
10438         * config/arm/cortex-r4f.md: Likewise.
10439         * config/csky/csky.c: Likewise.
10440         * config/csky/csky.h: Likewise.
10441         * config/darwin-f.c: Likewise.
10442         * config/epiphany/epiphany.md: Likewise.
10443         * config/i386/i386.c: Likewise.
10444         * config/i386/sol2.h: Likewise.
10445         * config/m68k/m68k.c: Likewise.
10446         * config/mcore/mcore.h: Likewise.
10447         * config/microblaze/microblaze.md: Likewise.
10448         * config/mips/20kc.md: Likewise.
10449         * config/mips/sb1.md: Likewise.
10450         * config/nds32/nds32.c: Likewise.
10451         * config/nds32/predicates.md: Likewise.
10452         * config/pa/pa.c: Likewise.
10453         * config/rs6000/e300c2c3.md: Likewise.
10454         * config/rs6000/rs6000.c: Likewise.
10455         * config/s390/s390.h: Likewise.
10456         * config/sh/sh.c: Likewise.
10457         * config/sh/sh.md: Likewise.
10458         * config/spu/vmx2spu.h: Likewise.
10459         * cprop.c: Likewise.
10460         * dbxout.c: Likewise.
10461         * df-scan.c: Likewise.
10462         * doc/cfg.texi: Likewise.
10463         * doc/extend.texi: Likewise.
10464         * doc/fragments.texi: Likewise.
10465         * doc/gty.texi: Likewise.
10466         * doc/invoke.texi: Likewise.
10467         * doc/lto.texi: Likewise.
10468         * doc/md.texi: Likewise.
10469         * doc/objc.texi: Likewise.
10470         * doc/rtl.texi: Likewise.
10471         * doc/tm.texi: Likewise.
10472         * dse.c: Likewise.
10473         * emit-rtl.c: Likewise.
10474         * emit-rtl.h: Likewise.
10475         * except.c: Likewise.
10476         * expmed.c: Likewise.
10477         * expr.c: Likewise.
10478         * fold-const.c: Likewise.
10479         * genautomata.c: Likewise.
10480         * gimple-fold.c: Likewise.
10481         * hard-reg-set.h: Likewise.
10482         * ifcvt.c: Likewise.
10483         * ipa-comdats.c: Likewise.
10484         * ipa-cp.c: Likewise.
10485         * ipa-devirt.c: Likewise.
10486         * ipa-fnsummary.c: Likewise.
10487         * ipa-icf.c: Likewise.
10488         * ipa-inline-transform.c: Likewise.
10489         * ipa-inline.c: Likewise.
10490         * ipa-polymorphic-call.c: Likewise.
10491         * ipa-profile.c: Likewise.
10492         * ipa-prop.c: Likewise.
10493         * ipa-pure-const.c: Likewise.
10494         * ipa-reference.c: Likewise.
10495         * ipa-split.c: Likewise.
10496         * ipa-visibility.c: Likewise.
10497         * ipa.c: Likewise.
10498         * ira-build.c: Likewise.
10499         * ira-color.c: Likewise.
10500         * ira-conflicts.c: Likewise.
10501         * ira-costs.c: Likewise.
10502         * ira-int.h: Likewise.
10503         * ira-lives.c: Likewise.
10504         * ira.c: Likewise.
10505         * ira.h: Likewise.
10506         * loop-invariant.c: Likewise.
10507         * loop-unroll.c: Likewise.
10508         * lower-subreg.c: Likewise.
10509         * lra-assigns.c: Likewise.
10510         * lra-constraints.c: Likewise.
10511         * lra-eliminations.c: Likewise.
10512         * lra-lives.c: Likewise.
10513         * lra-remat.c: Likewise.
10514         * lra-spills.c: Likewise.
10515         * lra.c: Likewise.
10516         * lto-cgraph.c: Likewise.
10517         * lto-streamer-out.c: Likewise.
10518         * postreload-gcse.c: Likewise.
10519         * predict.c: Likewise.
10520         * profile-count.h: Likewise.
10521         * profile.c: Likewise.
10522         * recog.c: Likewise.
10523         * ree.c: Likewise.
10524         * reload.c: Likewise.
10525         * reload1.c: Likewise.
10526         * reorg.c: Likewise.
10527         * resource.c: Likewise.
10528         * rtl.def: Likewise.
10529         * rtl.h: Likewise.
10530         * rtlanal.c: Likewise.
10531         * sched-deps.c: Likewise.
10532         * sched-ebb.c: Likewise.
10533         * sched-rgn.c: Likewise.
10534         * sel-sched-ir.c: Likewise.
10535         * sel-sched.c: Likewise.
10536         * shrink-wrap.c: Likewise.
10537         * simplify-rtx.c: Likewise.
10538         * symtab.c: Likewise.
10539         * target.def: Likewise.
10540         * toplev.c: Likewise.
10541         * tree-call-cdce.c: Likewise.
10542         * tree-cfg.c: Likewise.
10543         * tree-complex.c: Likewise.
10544         * tree-core.h: Likewise.
10545         * tree-eh.c: Likewise.
10546         * tree-inline.c: Likewise.
10547         * tree-loop-distribution.c: Likewise.
10548         * tree-nrv.c: Likewise.
10549         * tree-profile.c: Likewise.
10550         * tree-sra.c: Likewise.
10551         * tree-ssa-alias.c: Likewise.
10552         * tree-ssa-dce.c: Likewise.
10553         * tree-ssa-dom.c: Likewise.
10554         * tree-ssa-forwprop.c: Likewise.
10555         * tree-ssa-loop-im.c: Likewise.
10556         * tree-ssa-loop-ivcanon.c: Likewise.
10557         * tree-ssa-loop-ivopts.c: Likewise.
10558         * tree-ssa-loop-niter.c: Likewise.
10559         * tree-ssa-phionlycprop.c: Likewise.
10560         * tree-ssa-phiopt.c: Likewise.
10561         * tree-ssa-propagate.c: Likewise.
10562         * tree-ssa-threadedge.c: Likewise.
10563         * tree-ssa-threadupdate.c: Likewise.
10564         * tree-ssa-uninit.c: Likewise.
10565         * tree-ssanames.c: Likewise.
10566         * tree-streamer-out.c: Likewise.
10567         * tree.c: Likewise.
10568         * tree.h: Likewise.
10569         * vr-values.c: Likewise.
10570
10571 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10572
10573         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10574         (ix86_split_xorsign): Ditto.
10575         * config/i386/i386.c (ix86_expand_xorsign): New function.
10576         (ix86_split_xorsign): Ditto.
10577         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10578         (xorsign<mode>3): New expander.
10579         (xorsign<mode>3_1): New insn_and_split pattern.
10580         * config/i386/sse.md (xorsign<mode>3): New expander.
10581
10582 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10583
10584         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10585         (*tablejump_sp64): Likewise.
10586         (*tablejump<P:mode>): ...this.
10587         (*call_address_sp32): Merge into...
10588         (*call_address_sp64): Likewise.
10589         (*call_address<P:mode>): ...this.
10590         (*call_symbolic_sp32): Merge into...
10591         (*call_symbolic_sp64): Likewise.
10592         (*call_symbolic<P:mode>): ...this.
10593         (call_value): Remove constraint and add predicate.
10594         (*call_value_address_sp32): Merge into...
10595         (*call_value_address_sp64): Likewise.
10596         (*call_value_address<P:mode>): ...this.
10597         (*call_value_symbolic_sp32): Merge into...
10598         (*call_value_symbolic_sp64): Likewise.
10599         (*call_value_symbolic<P:mode>): ...this.
10600         (*sibcall_symbolic_sp32): Merge into...
10601         (*sibcall_symbolic_sp64): Likewise.
10602         (*sibcall_symbolic<P:mode>): ...this.
10603         (sibcall_value): Remove constraint and add predicate.
10604         (*sibcall_value_symbolic_sp32): Merge into...
10605         (*sibcall_value_symbolic_sp64): Likewise.
10606         (*sibcall_value_symbolic<P:mode>): ...this.
10607         (window_save): Minor tweak.
10608         (*branch_sp32): Merge into...
10609         (*branch_sp64): Likewise.
10610         (*branch<P:mode>): ...this.
10611
10612 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10613             James Clarke  <jrtc27@jrtc27.com>
10614
10615         PR target/84010
10616         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10617         consistently in TLS address generation and adjust code to the renaming
10618         of patterns.  Mark calls to __tls_get_addr as const.
10619         * config/sparc/sparc.md (tgd_hi22): Turn into...
10620         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10621         (tgd_lo10): Turn into...
10622         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10623         (tgd_add32): Merge into...
10624         (tgd_add64): Likewise.
10625         (tgd_add<P:mode>): ...this and use Pmode throughout.
10626         (tldm_hi22): Turn into...
10627         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10628         (tldm_lo10): Turn into...
10629         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10630         (tldm_add32): Merge into...
10631         (tldm_add64): Likewise.
10632         (tldm_add<P:mode>): ...this and use Pmode throughout.
10633         (tldm_call32): Merge into...
10634         (tldm_call64): Likewise.
10635         (tldm_call<P:mode>): ...this and use Pmode throughout.
10636         (tldo_hix22): Turn into...
10637         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10638         (tldo_lox10): Turn into...
10639         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10640         (tldo_add32): Merge into...
10641         (tldo_add64): Likewise.
10642         (tldo_add<P:mode>): ...this and use Pmode throughout.
10643         (tie_hi22): Turn into...
10644         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10645         (tie_lo10): Turn into...
10646         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10647         (tie_ld64): Use DImode throughout.
10648         (tie_add32): Merge into...
10649         (tie_add64): Likewise.
10650         (tie_add<P:mode>): ...this and use Pmode throughout.
10651         (tle_hix22_sp32): Merge into...
10652         (tle_hix22_sp64): Likewise.
10653         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10654         (tle_lox22_sp32): Merge into...
10655         (tle_lox22_sp64): Likewise.
10656         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10657         (*tldo_ldub_sp32): Merge into...
10658         (*tldo_ldub_sp64): Likewise.
10659         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10660         (*tldo_ldub1_sp32): Merge into...
10661         (*tldo_ldub1_sp64): Likewise.
10662         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10663         (*tldo_ldub2_sp32): Merge into...
10664         (*tldo_ldub2_sp64): Likewise.
10665         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10666         (*tldo_ldsb1_sp32): Merge into...
10667         (*tldo_ldsb1_sp64): Likewise.
10668         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10669         (*tldo_ldsb2_sp32): Merge into...
10670         (*tldo_ldsb2_sp64): Likewise.
10671         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10672         (*tldo_ldub3_sp64): Use DImode throughout.
10673         (*tldo_ldsb3_sp64): Likewise.
10674         (*tldo_lduh_sp32): Merge into...
10675         (*tldo_lduh_sp64): Likewise.
10676         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10677         (*tldo_lduh1_sp32): Merge into...
10678         (*tldo_lduh1_sp64): Likewise.
10679         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10680         (*tldo_ldsh1_sp32): Merge into...
10681         (*tldo_ldsh1_sp64): Likewise.
10682         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10683         (*tldo_lduh2_sp64): Use DImode throughout.
10684         (*tldo_ldsh2_sp64): Likewise.
10685         (*tldo_lduw_sp32): Merge into...
10686         (*tldo_lduw_sp64): Likewise.
10687         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10688         (*tldo_lduw1_sp64): Use DImode throughout.
10689         (*tldo_ldsw1_sp64): Likewise.
10690         (*tldo_ldx_sp64): Likewise.
10691         (*tldo_stb_sp32): Merge into...
10692         (*tldo_stb_sp64): Likewise.
10693         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10694         (*tldo_sth_sp32): Merge into...
10695         (*tldo_sth_sp64): Likewise.
10696         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10697         (*tldo_stw_sp32): Merge into...
10698         (*tldo_stw_sp64): Likewise.
10699         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10700         (*tldo_stx_sp64): Use DImode throughout.
10701
10702 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10703
10704         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10705         check configure option to set BTI and Return Address Signing.
10706         * configure.ac: Add --enable-standard-branch-protection and
10707         --disable-standard-branch-protection.
10708         * configure: Regenerated.
10709         * doc/install.texi: Document the same.
10710
10711 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10712             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10713
10714         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10715         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10716         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10717         if bti is enabled.
10718         * config/aarch64/aarch64-bti-insert.c: New file.
10719         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10720         pass.
10721         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10722         new bti pass.
10723         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10724         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10725         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10726         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10727
10728 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10729
10730         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10731         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10732         Disable bti for -mbranch-protection=none.
10733         (aarch64_handle_standard_branch_protection): Enable bti for
10734         -mbranch-protection=standard.
10735         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10736         -mbranch-protection.
10737         (aarch64_bti_enabled): Check if bti is enabled.
10738         * config/aarch64/aarch64.opt: Declare target variable.
10739         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10740
10741 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10742
10743         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10744         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10745         (aarch64_expand_epilogue): Likewise.
10746         (aarch64_output_mi_thunk): Likewise
10747         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10748         TAILCALL_ADDR_REGS to x16 and x17.
10749         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10750
10751 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10752
10753         * config/aarch64/aarch64-option-extensions.def: Define
10754         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10755         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10756         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10757         (AARCH64_FL_PREDRES): New.
10758         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10759         AARCH64_FL_PREDRES by default.
10760         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10761
10762 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10763
10764         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10765         ARMv8.5-A.
10766         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10767         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10768         * doc/invoke.texi: Document ARMv8.5-A.
10769
10770 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10771
10772         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10773         (xorsign<mode>3): Likewise.
10774
10775 2019-01-09  Jelinek  <jakub@redhat.com>
10776
10777         PR middle-end/88758
10778         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10779         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10780
10781         PR rtl-optimization/88331
10782         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10783         not currently_expanding_to_rtl.
10784
10785 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10786
10787         * doc/invoke.texi (-Os): Remove trailing spaces.
10788         (-finline-functions): Remove reference to -O2.
10789
10790 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10791
10792         PR rtl-optimization/79593
10793         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10794
10795         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10796         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10797
10798 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10799
10800         PR bootstrap/88721
10801         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10802         to -1 on entry.
10803
10804         PR debug/88723
10805         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10806         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10807
10808 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10809
10810         PR target/88717
10811         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10812         ix86_avx_u128_mode_entry.
10813
10814 2019-01-08  Martin Liska  <mliska@suse.cz>
10815
10816         PR tree-optimization/88753
10817         * tree-switch-conversion.c (switch_conversion::build_one_array):
10818         Come up with local variable constructor.  Convert first to
10819         type of constructor values.
10820
10821 2019-01-08  Richard Biener  <rguenther@suse.de>
10822
10823         PR tree-optimization/86554
10824         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10825         rpo_avail): Move earlier.
10826         (visit_nary_op): When value-numbering to expressions
10827         with different overflow behavior make sure there's an
10828         available expression on the path.
10829
10830 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10831
10832         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10833         aarch64_parse_branch_protection,
10834         struct aarch64_branch_protect_type,
10835         aarch64_handle_no_branch_protection,
10836         aarch64_handle_standard_branch_protection,
10837         aarch64_validate_mbranch_protection,
10838         aarch64_handle_pac_ret_protection,
10839         aarch64_handle_attr_branch_protection,
10840         accepted_branch_protection_string,
10841         aarch64_pac_ret_subtypes,
10842         aarch64_branch_protect_types,
10843         aarch64_handle_pac_ret_leaf): Define.
10844         (aarch64_override_options_after_change_1, aarch64_override_options):
10845         Add check for accepted_branch_protection_string.
10846         (aarch64_option_save): Save accepted_branch_protection_string.
10847         (aarch64_option_restore): Save accepted_branch_protection_string.
10848         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10849         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10850         msign-return-address.
10851         * doc/invoke.texi: Add mbranch-protection.
10852
10853 2019-01-08  Alan Modra  <amodra@gmail.com>
10854
10855         PR target/88614
10856         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10857         Delete "unknownp" parameter.  Adjust callers.  Handle
10858         CONST_INT, PLUS, MINUS, and MULT.
10859         (attr_value_aligned): Renamed from or_attr_value.
10860         (min_attr_value): Return INT_MIN for unhandled rtl case..
10861         (min_fn): ..and translate to INT_MAX here.
10862         (write_length_unit_log): Modify to cope without "unknown".
10863         (write_attr_value): Handle IF_THEN_ELSE.
10864
10865 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10866
10867         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10868         optimization for masked stores.
10869
10870 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10871
10872         PR middle-end/88567
10873         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10874         output vector directly to duplicate_and_interleave instead of
10875         going through a temporary.  Postpone insertion of ctor_seq to
10876         the end of the loop.
10877
10878 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10879
10880         PR target/86891
10881         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10882         unsigned_p.  Handle signed and unsigned overflow correction as
10883         required.
10884         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10885         prototype.
10886         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10887         for operand 2.
10888         (add<mode>3_compareV_imm): Make this callable for expanding.
10889         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10890         aarch64_plus_operand for operand 2.
10891         (subv<GPI:mode>_insn): New insn pattern.
10892         (subv<GPI:mode>_imm): Likewise.
10893         (negv<GPI:mode>3): New expand pattern.
10894         (negv<GPI:mode>_insn): New insn pattern.
10895         (negv<GPI:mode>_cmp_only): Likewise.
10896         (cmpv<GPI:mode>_insn): Likewise.
10897         (subvti4): Use register_operand for operand 1.  Update call to
10898         aarch64_expand_subvti.
10899         (usubvti4): Likewise.
10900         (negvti3): New expand pattern.
10901         (negdi_carryout): New insn pattern.
10902         (negvdi_carryinV): New insn pattern.
10903         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10904         version the named version.
10905         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10906         operands.
10907         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10908         patterns.
10909         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10910         patterns.
10911         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10912         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10913         (sub<mode>3_carryinCV): Delete.
10914         (sub<GPI:mode>3_carryinV): New expand pattern.
10915         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10916
10917 2019-01-07  Richard Biener  <rguenther@suse.de>
10918
10919         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10920         of tree_operand_hash.
10921
10922 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10923
10924         PR tree-optimization/88598
10925         * tree.h (single_nonzero_element): Declare.
10926         * tree.c (single_nonzero_element): New function.
10927         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10928         if I is the only nonzero element of CST.
10929
10930 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10931
10932         PR tree-optimization/88598
10933         * tree.h (initializer_each_zero_or_onep): Declare.
10934         * tree.c (initializer_each_zero_or_onep): New function.
10935         (signed_or_unsigned_type_for): Handle float types too.
10936         (unsigned_type_for, signed_type_for): Update comments accordingly.
10937         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10938         x & { 0 or -1, 0 or -1, ... }.
10939
10940 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10941
10942         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10943         with x86_64-pc-linux-gnu.
10944
10945 2019-01-07  Tom de Vries  <tdevries@suse.de>
10946
10947         PR target/85486
10948         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10949         function.
10950         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10951         routines.
10952
10953 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10954
10955         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10956         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10957         TARGET_AVX512F as condition.
10958
10959         PR debug/88723
10960         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10961         const_not_ok_for_debug_p target hook.
10962         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10963         on UNSPEC and subexpressions thereof if all subexpressions of the
10964         UNSPEC are CONSTANT_P.
10965
10966         PR tree-optimization/88676
10967         * tree-ssa-phiopt.c (two_value_replacement): New function.
10968         (tree_ssa_phiopt_worker): Call it.
10969
10970         PR sanitizer/88619
10971         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10972         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10973
10974         PR c++/85052
10975         * tree-vect-generic.c: Include insn-config.h and recog.h.
10976         (expand_vector_piecewise): Add defaulted ret_type argument,
10977         if non-NULL, use that in preference to type for the result type.
10978         (expand_vector_parallel): Formatting fix.
10979         (do_vec_conversion, do_vec_narrowing_conversion,
10980         expand_vector_conversion): New functions.
10981         (expand_vector_operations_1): Call expand_vector_conversion
10982         for VEC_CONVERT ifn calls.
10983         * internal-fn.def (VEC_CONVERT): New internal function.
10984         * internal-fn.c (expand_VEC_CONVERT): New function.
10985         * fold-const-call.c (fold_const_vec_convert): New function.
10986         (fold_const_call): Use it for CFN_VEC_CONVERT.
10987         * doc/extend.texi (__builtin_convertvector): Document.
10988
10989 2019-01-07  Tom de Vries  <tdevries@suse.de>
10990
10991         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10992         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10993         vector_red_partition, vector_red_sym): New global variables.
10994         (nvptx_option_override): Initialize vector_red_sym.
10995         (nvptx_declare_function_name): Restore red_partition register.
10996         (nvptx_file_end): Emit code to declare the vector reduction variables.
10997         (nvptx_output_red_partition): New function.
10998         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10999         large vector reductions.
11000         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11001         (nvptx_init_builtins): Add VECTOR_ADDR.
11002         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11003         Handle nvptx_expand_shared_addr.
11004         (nvptx_get_shared_red_addr): Add vector argument and handle large
11005         vectors.
11006         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11007         large vectors.
11008         (nvptx_goacc_reduction_init): Likewise.
11009         (nvptx_goacc_reduction_fini): Likewise.
11010         (nvptx_goacc_reduction_teardown): Likewise.
11011         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11012         init,fini,teardown}.
11013         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11014         (nvptx_set_current_function): Init vector_red_partition.
11015         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11016         (nvptx_red_partition): New insn.
11017         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11018
11019 2019-01-07  Tom de Vries  <tdevries@suse.de>
11020
11021         PR target/85381
11022         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11023         empty loops.
11024
11025 2019-01-07  Tom de Vries  <tdevries@suse.de>
11026
11027         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11028         (nvptx_option_override): Init oacc_bcast_partition.
11029         (nvptx_init_oacc_workers): New function.
11030         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11031         (nvptx_needs_shared_bcast): New function.
11032         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11033         to propagate state.
11034         (nvptx_shared_propagate): Initialize vector bcast partition and
11035         synchronization state.
11036         (nvptx_single):  Generalize to enable vectors to use shared-memory
11037         to propagate state.
11038         (nvptx_process_pars): Likewise.
11039         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11040         * config/nvptx/nvptx.h (struct machine_function): Add
11041         bcast_partition and sync_bar members.
11042
11043 2019-01-07  Tom de Vries  <tdevries@suse.de>
11044
11045         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11046         (nvptx_apply_dim_limits): New function.
11047         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11048         PTX_WARP_SIZE.
11049
11050 2019-01-07  Tom de Vries  <tdevries@suse.de>
11051
11052         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11053         as late as possible.
11054
11055 2019-01-07  Tom de Vries  <tdevries@suse.de>
11056
11057         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11058         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11059         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11060         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11061         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11062
11063 2019-01-07  Tom de Vries  <tdevries@suse.de>
11064
11065         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11066
11067 2019-01-07  Tom de Vries  <tdevries@suse.de>
11068
11069         * omp-offload.c (oacc_get_min_dim): New function.
11070         * omp-offload.h (oacc_get_min_dim): Declare.
11071
11072 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11073
11074         PR target/88521
11075         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11076         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11077
11078 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11079
11080         PR tree-opt/86020
11081         Revert:
11082         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11083
11084         * ipa-inline.c (edge_badness): Use inlined_time instead of
11085         inline_summaries->get.
11086
11087 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11088
11089         * opts.c (enable_fdo_optimizations): Enable
11090         version-loops-for-strides, loop-interchange, unrol-and-jam
11091         and tree-loop-distribution.
11092         * invoke.texi: Document newly enabled options.
11093
11094 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11095
11096         * doc/invoke.texi (max-inline-insns-small): New parameters.
11097         * ipa-inline.c (want_early_inline_function_p): simplify.
11098         (want_inline_small_function_p): Fix pasto from previous patch;
11099         use max-inline-insns-small bound.
11100         * params.def (max-inline-insns-small): New param.
11101         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11102         variables correctly.
11103
11104 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11105
11106         * doc/invoke.texi: Document max-inline-insns-size,
11107         uninlined-function-insns, uninlined-function-time,
11108         uninlined-thunk-insns and uninlined-thunk-time.
11109         * params.def: Add max-inline-insns-size,
11110         uninlined-function-insns, uninlined-function-time,
11111         uninlined-thunk-insns and uninlined-thunk-time.
11112         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11113         new parameters.
11114         * ipa-inline.c (can_inline_edge_by_limits_p,
11115         want_inline_small_function_p): Use new parameters.
11116
11117 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11118
11119         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11120
11121 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11122
11123         PR middle-end/82564
11124         PR target/88620
11125         * expr.c (expand_assignment): For calls returning VLA structures
11126         if to_rtx is not a MEM, force it into a stack temporary.
11127
11128         PR debug/88635
11129         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11130         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11131         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11132         subexpressions of both operands.
11133         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11134         subrtxes are CONSTANT_P.
11135         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11136         2018-11-09 changes.
11137
11138 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11139
11140         * params.def (hot-bb-count-ws-permille): Set to 990.
11141
11142 2019-01-04  Martin Sebor  <msebor@redhat.com>
11143
11144         PR c/88546
11145         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11146         leaf.
11147
11148 2019-01-04  Martin Sebor  <msebor@redhat.com>
11149
11150         PR c/88363
11151         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11152
11153 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11154
11155         * gdbinit.in: Turn off pagination for the skip commands, restore
11156         it to previous state afterwards.
11157
11158 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11159
11160         PR target/88594
11161         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11162         of GET_MODE (opN) as modes of the libcall arguments.
11163
11164 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11165
11166         * config/i386/sse.md
11167         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11168         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11169         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11170         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11171         avx512f_vmcmp<mode>3<round_saeonly_name>,
11172         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11173         avx512f_maskcmp<mode>3,
11174         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11175         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11176         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11177         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11178         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11179         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11180         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11181         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11182         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11183         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11184         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11185         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11186         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11187         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11188         avx512cd_maskb_vec_dup<mode>,
11189         avx512cd_maskw_vec_dup<mode>,
11190         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11191         avx512dq_vmfpclass<mode>,
11192         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11193         instead of =Yk.
11194
11195 2019-01-03  Martin Sebor  <msebor@redhat.com>
11196
11197         PR tree-optimization/88659
11198         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11199
11200 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11201
11202         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11203         unaligned vsx and avoid lxvd2x/stxvd2x.
11204         (gen_lvx_v4si_move): New function.
11205
11206 2019-01-03  Tom de Vries  <tdevries@suse.de>
11207
11208         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11209         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11210         function.
11211         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11212
11213 2019-01-03  Tom de Vries  <tdevries@suse.de>
11214
11215         * config/nvptx/nvptx.c (struct offload_attrs): New.
11216         (populate_offload_attrs): New function.  Factor mask extraction out of
11217         nvptx_reorg.  Add extraction of dimensions.
11218         (nvptx_reorg): Use populate_offload_attrs.
11219
11220 2019-01-03  Tom de Vries  <tdevries@suse.de>
11221
11222         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11223         cases for oacc_min_dims_p and routine_p.  Add asserts for
11224         oacc_default_dims_p and offload_region_p.
11225
11226 2019-01-03  Tom de Vries  <tdevries@suse.de>
11227
11228         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11229         factored out of ...
11230         (nvptx_goacc_validate_dims): ... here.
11231
11232 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11233
11234         PR tree-optimization/85574
11235         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11236         structure.
11237         (struct ssa_equip_hash_traits): Declare.
11238         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11239
11240 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11241
11242         PR debug/88644
11243         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11244         change it to qualified_type.
11245
11246 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11247
11248         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11249         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11250
11251 2019-01-02  Martin Sebor  <msebor@redhat.com>
11252             Jeff Law  <law@redhat.com>
11253
11254         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11255         (get_range_strlen_tree): Update appropriately.
11256         (get_range_strlen)
11257         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11258
11259         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11260         rather than set_range_info.
11261         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11262         maybe_set_strlen_range.  Handle potentially boundary crossing
11263         cases more conservatively.
11264         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11265         Call set_strlen_range.
11266         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11267
11268         PR middle-end/88663
11269         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11270         need the flexp argument.
11271         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11272         from calls to get_range_strlen.  Update comments.  Just update
11273         VAL for an unterminated const char array and let the reset of the
11274         code handle it normally.  No longer try to set *flexp.  Adjust
11275         return value.
11276         (get_range_strlen): Update for the new get_range_strlen API.
11277         (get_maxval_strlen): Similarly.
11278         (gimple_fold_builtin_strlen): Handle update meaning of return value
11279         from get_range_strlen.
11280         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11281         get_range_strlen API.
11282
11283 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11284
11285         PR lto/88130
11286         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11287         false at WPA time when body was removed.
11288
11289 2019-01-02  Martin Liska  <mliska@suse.cz>
11290
11291         PR tree-optimization/88650
11292         * predict.c (set_even_probabilities): Calculate probability
11293         remainer only when really used.
11294
11295 2019-01-02  Richard Biener  <rguenther@suse.de>
11296
11297         PR middle-end/88651
11298         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11299         widest_ints when mangling max_stmt_execution results.
11300
11301 2019-01-02  Richard Biener  <rguenther@suse.de>
11302
11303         PR tree-optimization/88621
11304         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11305         bitfields when canoncalizing.
11306
11307 2019-01-02  Richard Biener  <rguenther@suse.de>
11308
11309         PR target/87545
11310         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11311         cost of cheap SSE instruction.
11312
11313 2019-01-02  Richard Biener  <rguenther@suse.de>
11314
11315         PR ipa/85574
11316         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11317         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11318         function.
11319         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11320         set after UIDs before splitting them.
11321
11322 2019-01-01  Martin Sebor  <msebor@redhat.com>
11323             Jeff Law  <law@redhat.com>
11324
11325         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11326         length is optimistic.  If it is, then arrange to compute the
11327         conservative length as well.
11328
11329         * gimple-fold.h (get_range_strlen): Update prototype.
11330         * builtins.c (check_access): Update call to get_range_strlen to use
11331         c_strlen_data pointer.   Change various variable accesses to instead
11332         pull data from the c_strlen_data structure.
11333         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11334         * calls.c (maybe_warn_nonstring_arg): Likewise.
11335         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11336         minimum length if maximum lengh is unknown.
11337         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11338         that used c_strlen, it's no longer needed.  Restructure slightly.
11339         (format_string): Set unlikely range appropriately.
11340         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11341         formatting issues.
11342         (get_range_strlen):  Accept c_strlen_data pointer for external
11343         call sites as well.  Pass through to call to internal get_range_strlen.
11344         Adjust minlen, maxlen and maxbound as needed.
11345         (get_maxval_strlen): Update comments.
11346         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11347         to use c_strlen_data pointer.  Change variable accesses to instead
11348         use c_strlen_data data members.
11349
11350         * gimple-fold.c (get_range_strlen): Update prototype.
11351         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11352         local variables.  Use pdata to return information to caller.
11353         Update calls to get_range_strlen.  Update pdata->maxbound.
11354         (get_range_strlen -- static version): Similarly.
11355         (get_range_strlen -- extern version): Update for internal
11356         get_range_strlen API change.  Convert to external data format.
11357         (get_maxval_strlen): Similarly.
11358
11359 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11360
11361         * coverage.c (get_coverage_counts): Use current_function_decl.
11362         * profile.c (read_thunk_profile): New function.
11363         (branch_prob): Add THUNK parameter.
11364         * tree-profile.c (tree_profiling): Handle thunks.
11365         * value-prof.c (init_node_map): Handle thunks.
11366         * value-prof.h (branch_prob): Upate prototype.
11367         (read_thunk_profile): Declare.
11368
11369 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11370
11371         Update copyright years.
11372
11373         * gcc.c (process_command): Update copyright notice dates.
11374         * gcov-dump.c (print_version): Ditto.
11375         * gcov.c (print_version): Ditto.
11376         * gcov-tool.c (print_version): Ditto.
11377         * gengtype.c (create_file): Ditto.
11378         * doc/cpp.texi: Bump @copying's copyright year.
11379         * doc/cppinternals.texi: Ditto.
11380         * doc/gcc.texi: Ditto.
11381         * doc/gccint.texi: Ditto.
11382         * doc/gcov.texi: Ditto.
11383         * doc/install.texi: Ditto.
11384         * doc/invoke.texi: Ditto.
11385 \f
11386 Copyright (C) 2019 Free Software Foundation, Inc.
11387
11388 Copying and distribution of this file, with or without modification,
11389 are permitted in any medium without royalty provided the copyright
11390 notice and this notice are preserved.