gcc/ChangeLog

   1 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
   2
   3         * config/arm/iterators.md (VABAL): New int iterator.
   4         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
   5         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
   6         values.
   7
   8 2019-06-12  Martin Liska  <mliska@suse.cz>
   9
  10         * value-prof.c (stream_out_histogram_value): Only first value
  11         can't be negative.
  12
  13 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  14
  15         PR c/90760
  16         * symtab.c (symtab_node::set_section): Allow being called on aliases
  17         as long as they aren't analyzed yet.
  18
  19 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
  20
  21         * config/mips/mips.c (mips_final_postscan_insn): Modify call
  22         to `mips_set_text_contents_type' to indicate whether a
  23         non-debug insn follows.
  24
  25 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
  26
  27         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
  28         enabling -mpcrel by default.
  29         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
  30         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
  31         that the test against -mcpu=future is done first.  Then test if
  32         -mprefixed-addr is on for -mpcrel.
  33         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
  34
  35 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
  36
  37         PR target/90811
  38         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
  39         instead of and.u%d.
  40
  41 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
  42
  43         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
  44
  45 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
  46
  47         PR c++/90449 - add -Winaccessible-base option.
  48         * doc/invoke.texi (Winaccessible-base): Document.
  49
  50 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
  51
  52         PR tree-optimization/62041
  53         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
  54
  55 2019-06-11  Jason Merrill  <jason@redhat.com>
  56
  57         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
  58         * tree.c (get_tree_code_name): Likewise.
  59         * print-tree.c (print_node): Only briefly print a node with an
  60         invalid code.
  61
  62 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
  63
  64         PR bootstrap/90819
  65         * trans-mem.c (tm_memopt_compute_available): Add assertion
  66         that blocks is not empty.  Formatting fix.
  67
  68 2019-06-11  Martin Liska  <mliska@suse.cz>
  69
  70         PR c++/87847
  71         * hash-table.h: Extend create_gcc, add one parameter
  72         that is passed into hash_table::hash_table.
  73
  74 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
  75
  76         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
  77         New prototype.
  78         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
  79         Emit clobber also for non-sse operations.
  80         (ix86_split_fp_absneg_operator): New function.
  81         * config/i386/i386.md (SSEMODEF): New mode iterator.
  82         (ssevecmodef): New mode attribute.
  83         (<code>tf2): Use absneg code iterator.
  84         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
  85         Add three-operand AVX alternatives.
  86         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
  87         Use absneg code iterator and X87MODEF mode iterator.
  88         (absneg fp_reg non-sse splitter): Call absneg code iterator
  89         and X87MODEF mode iterator.
  90         (absneg general_reg non-sse splitter): Use absneg code iterator
  91         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
  92         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
  93         code iterator.  Add three-operand AVX alternative.
  94         (absneg sse_reg splitter): Use absneg code iterator
  95         and SSEMODEF mode iterator.  Handle AVX operands.
  96         (absneg fp_reg splitter): Use absneg code iterator
  97         and MODEF mode iterator.
  98         (absneg general_reg splitter): Merge splitters using MODEF mode
  99         iterator.  Use absneg code iterator.  Call
 100         ix86_split_fp_absneg_operator.
 101         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 102         Do not enable for non-sse modes before reload.
 103         (CSGNMODE): Remove.
 104         (CSGNVMODE): Ditto.
 105         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 106         ssevecmodef mode attribute instaed of CSGNVMODE.
 107         (copysign<mode>3_const): Ditto.
 108         (copysign<mode>3_var): Ditto.
 109         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 110         Use absneg code iterator.  Simplify code using std::swap.
 111         * config/i386/predicates.md (absneg_operator): Remove.
 112
 113 2019-06-10  Martin Sebor  <msebor@redhat.com>
 114
 115         * gimple-fold.c (get_range_strlen): Update comment that didn't
 116         make it into r267503 or related commits.
 117
 118 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 119
 120         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 121         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 122
 123 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 124
 125         * tree.def (OMP_SCAN): New tree code.
 126         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 127         OMP_CLAUSE_EXCLUSIVE.
 128         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 129         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 130         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 131         OMP_CLAUSE_{IN,EX}CLUSIVE.
 132         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 133         * tree-nested.c (convert_nonlocal_reference_stmt,
 134         convert_local_reference_stmt, convert_gimple_call): Handle
 135         GIMPLE_OMP_SCAN.
 136         * tree-pretty-print.c (dump_omp_clause): Handle
 137         OMP_CLAUSE_{IN,EX}CLUSIVE.
 138         (dump_generic_node): Handle OMP_SCAN.
 139         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 140         * gimple.h (gomp_scan): New type.
 141         (is_a_helper <gomp_scan *>::test,
 142         is_a_helper <const gomp_scan *>::test): New templates.
 143         (gimple_build_omp_scan): Declare.
 144         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 145         gimple_omp_scan_set_clauses): New inline functions.
 146         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 147         * gimple.c (gimple_build_omp_scan): New function.
 148         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 149         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 150         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 151         GIMPLE_OMP_TASKGROUP.
 152         (dump_gimple_omp_scan): New function.
 153         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 154         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 155         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 156         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 157         (is_gimple_stmt): Handle OMP_SCAN.
 158         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 159         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 160         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 161         mentioned in nested #pragma omp scan.  Handle
 162         OMP_CLAUSE_{IN,EX}CLUSIVE.
 163         (gimplify_expr): Handle OMP_SCAN.
 164         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 165         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 166         simd constructs.
 167         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 168         GIMPLE_OMP_SCAN.
 169
 170 2019-06-10  Martin Liska  <mliska@suse.cz>
 171
 172         * ipa-cp.c (ignore_edge_p): New function.
 173         (build_toporder_info): Use it.
 174         * ipa-inline.c (ignore_edge_p): New function.
 175         (inline_small_functions): Use it.
 176         * ipa-pure-const.c (ignore_edge_for_nothrow):
 177         Verify opt_for_fn for caller and callee.
 178         (ignore_edge_for_pure_const): Likewise.
 179         * ipa-reference.c (ignore_edge_p): Extend to check
 180         for opt_for_fn.
 181         * ipa-utils.c (searchc): Refactor.
 182         * ipa-utils.h: Fix coding style.
 183
 184 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 185
 186         * config/arc/arc.c (arc_rtx_costs): Update costs.
 187
 188 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 189
 190         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 191         (arc_split_ior): Likewise.
 192         (arc_check_mov_const): Likewise.
 193         (arc_split_mov_const): Likewise.
 194         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 195         (arc_rtx_costs): Replace check Crr with Cax constraint.
 196         (prepare_move_operands): Cleanup, remove unused code.
 197         (arc_split_ior): New function.
 198         (arc_check_ior_const): Likewise.
 199         (arc_split_mov_const): Likewise.
 200         (arc_check_mov_const): Likewise.
 201         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 202         in define_insn_and_split pattern.
 203         (iorsi3): Likewise.
 204         (mulsi3_v2): Add new matching variant.
 205         (andsi3_i): Cleanup pattern.
 206         (rotrsi3_cnt1): Update pattern.
 207         (rotrsi3_cnt8): New pattern.
 208         (ashlsi2_cnt8): Likewise.
 209         (ashlsi2_cnt16): Likewise.
 210         * config/arc/constraints.md (C0p): Update constraint.
 211         (Crr): Remove it.
 212         (C0x): New pattern.
 213         (Cax): New pattern.
 214
 215 2019-06-10  Martin Liska  <mliska@suse.cz>
 216
 217         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 218         Update coding style.
 219         (sem_item_optimizer::dump_cong_classes):
 220         Print how many items are in a non-singular class.  Improve
 221         coding style.
 222
 223 2019-06-10  Martin Liska  <mliska@suse.cz>
 224
 225         * value-prof.c (dump_histogram_value): Change dump format.
 226         (gimple_mod_subtract_transform): Remove legacy comment.
 227
 228 2019-06-10  Martin Liska  <mliska@suse.cz>
 229
 230         * value-prof.c (dump_histogram_value): Print histogram values
 231         only if present.
 232
 233 2019-06-10  Martin Liska  <mliska@suse.cz>
 234
 235         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 236         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 237         * ipa-profile.c (ipa_profile_generate_summary):
 238         Use get_most_common_single_value.
 239         * tree-profile.c (gimple_init_gcov_profiler):
 240         Instrument with __gcov_one_value_profiler_v2
 241         and __gcov_indirect_call_profiler_v4.
 242         * value-prof.c (dump_histogram_value):
 243         Print all values for HIST_TYPE_SINGLE_VALUE.
 244         (stream_out_histogram_value): Update assert for
 245         N values.
 246         (stream_in_histogram_value): Set number of
 247         counters for HIST_TYPE_SINGLE_VALUE.
 248         (get_most_common_single_value): New.
 249         (gimple_divmod_fixed_value_transform):
 250         Use get_most_common_single_value.
 251         (gimple_ic_transform): Likewise.
 252         (gimple_stringops_transform): Likewise.
 253         (gimple_find_values_to_profile): Set number
 254         of counters for HIST_TYPE_SINGLE_VALUE.
 255         * value-prof.h (get_most_common_single_value):
 256         New.
 257
 258 2019-06-10  Martin Liska  <mliska@suse.cz>
 259
 260         * hash-map.h: Pass default value to hash_table ctor.
 261         * hash-table.h: Add default value to call of a ctor.
 262
 263 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 264
 265         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 266         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 267
 268 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 269
 270         PR target/90751
 271         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 272         Call pa_output_function_label.
 273         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 274         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 275         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 276         to declaration.
 277         (pa_linux_output_function_prologue): Declare.
 278         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 279         (pa_output_function_label): New.
 280         (pa_output_function_prologue): Revise to use pa_output_function_label.
 281         (pa_linux_output_function_prologue): New.
 282         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 283
 284 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 285
 286         * tree-vrp.h (value_range_base::intersect): New.
 287         (value_range::intersect_helper): Move from here...
 288         (value_range_base::intersect_helper): ...to here.
 289         * tree-vrp.c (value_range::intersect_helper): Rename to...
 290         (value_range_base::intersect_helper): ...this, and rewrite to
 291         return a value instead of modifying THIS in place.
 292         Also, move equivalence handling...
 293         (value_range::intersect): ...here, while calling intersect_helper.
 294         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 295         calling intersect.
 296         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 297         Same.
 298         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 299
 300 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 301
 302         * Makefile.in (genprogerr): Add condmd.
 303         (genprog): Remove it here.
 304
 305 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 306
 307         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 308
 309 2019-06-07  Richard Biener  <rguenther@suse.de>
 310
 311         PR debug/90574
 312         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 313         that appear after user labels.
 314
 315 2019-06-07  Martin Liska  <mliska@suse.cz>
 316
 317         * cselib.c (cselib_init): Disable hash table
 318         sanitization.
 319         * hash-set.h: Pass new default argument to m_table.
 320         * hash-table.c: Add global variable with hash table
 321         sanitization limit.
 322         * hash-table.h (Allocator>::hash_table): Add new argument
 323         to ctor.
 324         (hashtab_chk_error): New.
 325         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 326         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 327         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 328
 329 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 330
 331         * common.opt (flto-odr-type-merging): Ignore.
 332         * invoke.texi (-flto-odr-type-merging): Remove.
 333         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 334         (can_be_vtable_hashed_p): Remove.
 335         (hash_odr_vtable): Remove.
 336         (odr_vtable_hasher::hash): Remove.
 337         (types_same_for_odr): Remove.
 338         (types_odr_comparable): Remove.
 339         (odr_vtable_hasher::equal): Remove.
 340         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 341         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 342         (get_odr_type): Do not use vtable hash.
 343         (dump_odr_type): Remove commented out code.
 344         (build_type_inheritance_graph): Do not allocate vtable hash.
 345         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 346         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 347         (odr_type_p): Likewise.
 348         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 349         test.
 350
 351 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 352
 353         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 354         immediately after same_types_for_tbaa_p returns -1 and continue
 355         looking for possible exact match; if matching types are arrays
 356         watch for partial overlaps.
 357         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 358         (indirect_refs_may_alias_p): Do type based disambiguation first;
 359         update comment.
 360
 361 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 362
 363         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 364
 365 2019-06-07  Martin Liska  <mliska@suse.cz>
 366
 367         * doc/invoke.texi: Remove param.
 368         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 369         Remove.
 370         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 371         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 372         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 373         * profile.c (instrument_values): Remove
 374         HIST_TYPE_INDIR_CALL_TOPN.
 375         * tree-profile.c (init_ic_make_global_vars):
 376         Always build __gcov_indirect_call only.
 377         (gimple_init_gcov_profiler): Remove usage
 378         of PARAM_INDIR_CALL_TOPN_PROFILE.
 379         (gimple_gen_ic_profiler): Likewise.
 380         * value-prof.c (dump_histogram_value): Likewise.
 381         (stream_in_histogram_value): Likewise.
 382         (gimple_indirect_call_to_profile): Likewise.
 383         (gimple_find_values_to_profile): Likewise.
 384         * value-prof.h (enum hist_type): Likewise.
 385
 386 2019-06-07  Martin Liska  <mliska@suse.cz>
 387
 388         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 389         function.
 390
 391 2019-06-07  Martin Liska  <mliska@suse.cz>
 392
 393         PR tree-optimization/78902
 394         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 395         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 396         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 397         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 398         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 399         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 400         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 401         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 402         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 403         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 404         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 405         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 406         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 407         New.
 408         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 409         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 410         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 411         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 412         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 413         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 414         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 415         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 416         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 417         warn_unused_result attribute.
 418         (BUILT_IN_STRDUP): Likewise.
 419         (BUILT_IN_STRNDUP): Likewise.
 420         (BUILT_IN_ALLOCA): Likewise.
 421         (BUILT_IN_CALLOC): Likewise.
 422         (BUILT_IN_MALLOC): Likewise.
 423         (BUILT_IN_REALLOC): Likewise.
 424
 425 2019-06-06  Jim Wilson  <jimw@sifive.com>
 426
 427         PR target/89955
 428         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 429         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 430         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 431
 432 2019-06-06  Martin Sebor  <msebor@redhat.com>
 433
 434         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 435         (handle_builtin_malloc): Remove trailing spaces.
 436         (handle_builtin_memset): Same.
 437         (handle_builtin_memcmp): Same.
 438         (compute_string_length): Same.
 439         (determine_min_objsize): Same.
 440         (handle_builtin_string_cmp): Same.
 441         (handle_char_store): Same.  Break up excessively long line.
 442
 443 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 444
 445         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 446         check.
 447
 448 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 449
 450         * tree-sra.c (struct access): New field grp_same_access_path.
 451         (dump_access): Dump it.
 452         (build_reconstructed_reference): New function.
 453         (build_ref_for_model): Use it if possible.
 454         (path_comparable_for_same_access): New function.
 455         (same_access_path_p): Likewise.
 456         (sort_and_splice_var_accesses): Set the new flag.
 457         (analyze_access_subtree): Likewise.
 458         (propagate_subaccesses_across_link): Propagate zero value of the new
 459         flag down the access tree.
 460
 461 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 462
 463         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 464         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 465         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 466         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 467         Add gfx906.
 468
 469 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 470
 471         PR tree-optimization/90332
 472         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 473         Handle VALS containing two vectors.
 474         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 475         to...
 476         (@aarch64_combinez<mode>): ... This.
 477         (*aarch64_combinez_be<mode>): Rename to...
 478         (@aarch64_combinez_be<mode>): ... This.
 479         (vec_init<mode><Vhalf>): New define_expand.
 480         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 481
 482 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 483
 484         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 485         library functions only when not optimizing for size.
 486         (ashlsi3): Likewise.
 487         (ashrhi3): Likewise.
 488         (ashrsi3): Likewise.
 489         (lshrhi3): Likewise.
 490         (lshrsi3): Likewise.
 491
 492 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 493
 494         PR rtl-optimization/88751
 495         * ira.c (ira): Use the number of the actually referenced registers
 496         when calculating the threshold.
 497
 498 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 499
 500         * configure: Regenerate.
 501
 502 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 503
 504         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 505         register if it is in memory, so the shift can be emulated with a rotate
 506         instruction.
 507         (ashrhi3): Likewise.
 508         (lshrhi3): Likewise.
 509
 510 2019-06-06  Martin Liska  <mliska@suse.cz>
 511
 512         PR tree-optimization/87954
 513         * match.pd: Simplify mult where both arguments are 0 or 1.
 514
 515 2019-06-06  Richard Biener  <rguenther@suse.de>
 516
 517         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 518         put equivalences on UNDEFINED ranges.
 519         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 520         Make sure to drop defs of stmts added during simplification
 521         to VARYING.
 522
 523 2019-06-06  Richard Biener  <rguenther@suse.de>
 524
 525         * tree-ssa-structalias.c: Include tree-cfg.h.
 526         (make_heapvar): Do not make heap vars artificial.
 527         (find_func_aliases_for_builtin_call): Handle stack allocation
 528         functions.
 529         (find_func_aliases): Delay processing of simple enough returns
 530         in non-IPA mode.
 531         (set_uids_in_ptset): Adjust.
 532         (find_what_var_points_to): Likewise.
 533         (solve_constraints): Do not dump points-to sets here.
 534         (compute_points_to_sets): Post-process return statements,
 535         amending the escaped solution.  Dump points-to sets afterwards.
 536         (ipa_pta_execute): Dump points-to sets.
 537
 538 2019-06-06  Martin Liska  <mliska@suse.cz>
 539
 540         PR web/87933
 541         * doc/install.texi: Fix HTML headers and
 542         titles for 'Installing GCC' pages.
 543
 544 2019-06-06  Martin Liska  <mliska@suse.cz>
 545
 546         * ipa-icf-gimple.h (dump_message_1): Remove.
 547         (dump_message): Likewise.
 548         (return_false_with_message_1): Print also file.
 549         (return_false_with_msg): Likewise.
 550         (return_with_result): Likewise.
 551         (return_with_debug): Likewise.
 552         * ipa-icf.c (sem_function::equals_private): Remove call
 553         to dump_message.
 554
 555 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 556
 557         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 558         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 559         memory operand for it.
 560         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 561
 562 2019-06-05  Martin Sebor  <msebor@redhat.com>
 563
 564         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 565         Adjust quoting and hyphenation.
 566         * convert.c (convert_to_real_1): Same.
 567         * gcc.c (driver_wrong_lang_callback): Same.
 568         (driver::handle_unrecognized_options): Same.
 569         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 570         * opts-common.c (cmdline_handle_error): Same.
 571         (read_cmdline_option): Same.
 572         * opts-global.c (complain_wrong_lang): Same.
 573         (print_ignored_options): Same.
 574         (handle_common_deferred_options): Same.
 575         * pretty-print.h: Same.
 576         * print-rtl.c (debug_bb_n_slim): Same.
 577         * sched-rgn.c (make_pass_sched_fusion): Same.
 578         * tree-cfg.c (verify_gimple_assign_unary): Same.
 579         (verify_gimple_label): Same.
 580         * tree-ssa-operands.c (verify_ssa_operands): Same.
 581         * varasm.c (do_assemble_alias): Same.
 582         (assemble_alias): Same.
 583
 584 2019-06-05  Richard Henderson  <rth@twiddle.net>
 585
 586         * config/alpha/alpha.c (direct_return): Move down after
 587         struct machine_function definition; use saved frame_size;
 588         return bool.
 589         (struct machine_function): Add sa_mask, sa_size, frame_size.
 590         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 591         (alpha_compute_frame_layout): ... new function.
 592         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 593         (alpha_initial_elimination_offset): Use saved sa_size.
 594         (alpha_vms_initial_elimination_offset): Likewise.
 595         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 596         (alpha_expand_prologue): Use saved frame data.  Merge integer
 597         and fp register save loops.
 598         (alpha_expand_epilogue): Likewise.
 599         (alpha_start_function): Use saved frame data.
 600         * config/alpha/alpha-protos.h (direct_return): Update.
 601         (alpha_sa_size): Remove.
 602
 603 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 604
 605         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 606         multiplication by a power-of-two value.
 607         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 608         and turn the modulo operation into a masking operation.
 609
 610 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 611
 612         PR debug/90733
 613         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 614         with VOIDmode inner operands.
 615
 616 2019-06-05  Richard Biener  <rguenther@suse.de>
 617
 618         PR middle-end/90726
 619         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 620         turn an expression graph into a tree.
 621
 622 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 623
 624         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 625         member.
 626         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 627         treat it like explicit monotonic schedule modifier.
 628         (expand_omp_for): Initialize has_lastprivate_conditional.
 629         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 630         schedule modifier.
 631
 632         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 633         references, lookup in in hash map MEM_REF operand instead of the
 634         MEM_REF itself.
 635         (lower_omp_1): When looking for lastprivate conditional assignments,
 636         handle MEM_REFs with REFERENCE_TYPE operands.
 637
 638         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 639         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 640         and references a VLA.  Handle references to non-VLAs if is_simd
 641         all privatization clauses like reductions.
 642         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 643         If omp_is_reference, use always omp simd arrays and set
 644         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 645         fails, emit reference initialization.
 646
 647 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 648
 649         PR target/89803
 650         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 651         _mm_mask_fpclass_sd_mask): New intrinsics.
 652         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 653         * config/i386/i386-builtin.def
 654         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 655         New builtins.
 656         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 657         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 658         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 659         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 660         case QI_FTYPE_V2SF_INT): Ditto.
 661         * config/i386/sse.md
 662         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 663         Extended to insnstructions with mask operands.
 664
 665 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 666
 667         * config/rs6000/constraints.md (define_register_constraint "wp"):
 668         Delete.
 669         (define_register_constraint "wq"): Delete.
 670         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 671         (rs6000_init_hard_regno_mode_ok): Adjust.
 672         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 673         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 674         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 675         (define_mode_attr VSa): Delete.
 676         (define_mode_attr VSisa): New.
 677         (rest of file): Adjust.
 678         * doc/md.texi (Machine Constraints): Adjust.
 679
 680 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 681
 682         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 683         (define_attr "enabled"): Handle those new isa values.
 684
 685 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 686
 687         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 688         (define_mode_attr VSr5): Delete.
 689         (define_mode_attr VStype_sqrt): Delete.
 690         (define_mode_iterator VSX_SPDP): Delete.
 691         (define_mode_attr VS_spdp_res): Delete.
 692         (define_mode_attr VS_spdp_insn): Delete.
 693         (define_mode_attr VS_spdp_type): Delete.
 694         (*vsx_sqrt<mode>2): Adjust.
 695         (vsx_<VS_spdp_insn>): Delete, split to...
 696         (vsx_xscvdpsp): ... this.  New.  And...
 697         (vsx_xvcvspdp): ... this.  New.  And...
 698         (vsx_xvcvdpsp): ... this.  New.
 699
 700 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 701
 702         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 703         and V2DF.
 704         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 705         (rest of file): Adjust.
 706
 707 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 708
 709         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 710         (vsx_extract_<mode>_var): Ditto.
 711
 712 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 713
 714         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 715         with just "wa".
 716
 717 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 718
 719         * config/rs6000/constraints.md (define_register_constraint "ww"):
 720         Delete.
 721         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 722         (rs6000_init_hard_regno_mode_ok): Adjust.
 723         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 724         RS6000_CONSTRAINT_ww.
 725         * config/rs6000/rs6000.md: Adjust.
 726         * config/rs6000/vsx.md: Adjust.
 727         * doc/md.texi (Machine Constraints): Adjust.
 728
 729 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 730
 731         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 732         (define_mode_attr sd): New.
 733         (define_mode_attr s): New.
 734         (define_mode_attr Ftrad): Delete.
 735         (define_mode_attr Fvsx): Delete.
 736         (define_mode_attr Fs): Delete.
 737         (rest of file): Use the new mode attributes.
 738         * config.rs6000/vsx.md: Use the new mode attributes.
 739
 740 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 741
 742         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 743         with just "wa".
 744
 745 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 746
 747         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 748         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 749         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 750
 751 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 752
 753         PR target/78263
 754         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 755         C++ with strict ANSI requirements.
 756
 757 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 758
 759         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 760         computations when step is 1.
 761
 762 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 763
 764         * config/rs6000/constraints.md (define_register_constraint "wf"):
 765         Delete.
 766         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 767         (rs6000_init_hard_regno_mode_ok): Adjust.
 768         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 769         RS6000_CONSTRAINT_wf.
 770         * config/rs6000/rs6000.md: Adjust.
 771         * config/rs6000/vsx.md: Adjust.
 772         * doc/md.texi (Machine Constraints): Adjust.
 773
 774 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 775
 776         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 777         Fix ILP32 value.
 778
 779 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 780
 781         * config/rs6000/constraints.md (define_register_constraint "wd"):
 782         Delete.
 783         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 784         (rs6000_init_hard_regno_mode_ok): Adjust.
 785         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 786         RS6000_CONSTRAINT_wd.
 787         * config/rs6000/rs6000.md: Adjust.
 788         * config/rs6000/vsx.md: Adjust.
 789         * doc/md.texi (Machine Constraints): Adjust.
 790
 791 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 792
 793         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 794         (rest of file): Adjust.
 795
 796 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 797
 798         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 799         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 800         (vsx_splat_<mode>_reg): Adjust.
 801
 802 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 803
 804         * config/rs6000/constraints.md (define_register_constraint "ws"):
 805         Delete.
 806         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 807         (rs6000_init_hard_regno_mode_ok): Adjust.
 808         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 809         RS6000_CONSTRAINT_ws.
 810         * config/rs6000/rs6000.md: Adjust.
 811         * config/rs6000/vsx.md: Adjust.
 812         * doc/md.texi (Machine Constraints): Adjust.
 813
 814 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 815
 816         * config/rs6000/constraints.md (define_register_constraint "wv"):
 817         Delete.
 818         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 819         (rs6000_init_hard_regno_mode_ok): Adjust.
 820         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 821         RS6000_CONSTRAINT_wv.
 822         * config/rs6000/rs6000.md: Adjust.
 823         * config/rs6000/vsx.md: Adjust.
 824         * doc/md.texi (Machine Constraints): Adjust.
 825
 826 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 827
 828         * config/rs6000/constraints.md (define_register_constraint "wi"):
 829         Delete.
 830         (define_register_constraint "wt"): Delete.
 831         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 832         (rs6000_init_hard_regno_mode_ok): Adjust.
 833         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 834         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 835         * config/rs6000/rs6000.md: Adjust.
 836         * config/rs6000/vsx.md: Adjust.
 837         * doc/md.texi (Machine Constraints): Adjust.
 838
 839 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 840
 841         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 842         const.
 843         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 844         default_elf_asm_output_external.
 845
 846 2019-06-04  Martin Liska  <mliska@suse.cz>
 847
 848         * ipa-icf.c (INCLUDE_LIST): Remove.
 849         (sem_item_optimizer::execute): Remove call to init_wpa.
 850         * ipa-icf.h (init_wpa): Remove.
 851
 852 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 853
 854         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 855         conditional on combined for simd.
 856         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 857         member.
 858         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 859         constructs, don't remove lastprivate_conditional_map, but instead set
 860         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 861         to parent construct temporaries.
 862         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 863         like !ctx->lastprivate_conditional_map.
 864         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 865         use up->outer context instead of up.
 866         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 867         gimple_omp_for_combined_p.
 868         (expand_omp_for_static_nochunk): Likewise.
 869         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 870         probably moved over into expand_omp_for_generic rather than being copied
 871         there.
 872
 873 2019-06-04  Martin Liska  <mliska@suse.cz>
 874
 875         * value-prof.c (dump_histogram_value): Fix typo.
 876         (gimple_mod_subtract_transform): Likewise.
 877
 878 2019-06-04  Richard Biener  <rguenther@suse.de>
 879
 880         PR middle-end/90726
 881         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 882         (tree_contains_chrecs): Likewise.
 883         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 884         exponential behaivor from ...
 885         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 886         ... here.
 887         (expression_expensive_p): Avoid exponential behavior and compute
 888         expanded size, rejecting any expansion.
 889         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 890         (idx_contains_abnormal_ssa_name_p): Likewise.
 891         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 892         (contains_abnormal_ssa_name_p): Simplify and use
 893         walk_tree_without_duplicates.
 894
 895 2019-06-04  Richard Biener  <rguenther@suse.de>
 896
 897         PR tree-optimization/90738
 898         Revert
 899         2019-06-03  Richard Biener  <rguenther@suse.de>
 900
 901         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 902         full reference tree and record in ref->ref.
 903         (vn_reference_lookup_3): Pass in original ref to
 904         ao_ref_init_from_vn_reference.
 905         (vn_reference_lookup): Likewise.
 906         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 907         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 908         Handle non-decl bases in the original reference.
 909
 910 2019-06-04  Martin Liska  <mliska@suse.cz>
 911
 912         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 913         number of references.
 914         (sem_item_optimizer::do_congruence_step):
 915         (sem_item_optimizer::worklist_push): Dump how references
 916         a class has.
 917         (sem_item_optimizer::worklist_pop): Use heap.
 918         (sem_item_optimizer::process_cong_reduction): Likewise.
 919         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 920
 921 2019-06-04  Martin Liska  <mliska@suse.cz>
 922
 923         * ipa-icf.h (struct sem_usage_pair_hash): New.
 924         (sem_usage_pair_hash::hash): Likewise.
 925         (sem_usage_pair_hash::equal): Likewise.
 926         (struct sem_usage_hash): Likewise.
 927         * ipa-icf.c (sem_item::sem_item): Initialize
 928         referenced_by_count.
 929         (sem_item::add_reference): Register a reference
 930         in ref_map and not in target->usages.
 931         (sem_item::setup): Remove initialization of
 932         dead vectors.
 933         (sem_item::~sem_item): Remove usage of dead vectors.
 934         (sem_item::dump): Remove dump of references.
 935         (sem_item_optimizer::sem_item_optimizer): Initialize
 936         m_references.
 937         (sem_item_optimizer::read_section): Remove useless
 938         dump.
 939         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 940         (sem_item_optimizer::build_graph): Pass m_references
 941         to ::add_reference.
 942         (sem_item_optimizer::verify_classes): Remove usage of dead
 943         vectors.
 944         (sem_item_optimizer::traverse_congruence_split): Return true
 945         when a class is split.
 946         (sem_item_optimizer::do_congruence_step_for_index): Use
 947         hash_map for look up of (sem_item *, index). That brings
 948         significant speed up.
 949         (sem_item_optimizer::do_congruence_step): Return true
 950         when a split is done.
 951         (congruence_class::is_class_used): Use referenced_by_count.
 952
 953 2019-06-04  Alan Modra  <amodra@gmail.com>
 954
 955         PR target/90689
 956         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 957         error.
 958
 959 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 960
 961         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 962         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 963         (rs6000_secondary_reload_simple_move): Adjust.
 964         (rs6000_opt_masks): Neuter the "mfpgpr" option.
 965         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
 966         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
 967         comment.
 968         (power6x): Adjust.
 969         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
 970         (floatunssi<mode>2_lfiwzx): Adjust.
 971         (fix_trunc<mode>si2_stfiwx): Adjust.
 972         (fixuns_trunc<mode>si2_stfiwx): Adjust.
 973         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
 974         (mfpgpr): Mark as deprecated.
 975         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
 976         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
 977         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
 978
 979 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 980
 981         * config/rs6000/constraints.md (define_register_constraint "wg"):
 982         Delete.
 983         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 984         RS6000_CONSTRAINT_wg.
 985         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 986         (rs6000_init_hard_regno_mode_ok): Adjust.
 987         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
 988         Delete "wg" alternatives.
 989         * doc/md.texi (Machine Constraints): Adjust.
 990
 991 2019-06-03  Alan Modra  <amodra@gmail.com>
 992
 993         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
 994         (get_uncond_jump_length): Assert length less than INT_MAX and
 995         non-negative.
 996
 997 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 998
 999         PR middle-end/64242
1000         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1001         block.
1002         (expand_builtin_nonlocal_goto): Likewise.
1003
1004 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1005
1006         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1007         (aarch64_asm_output_external): Declare.
1008         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1009         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1010         (aarch64_asm_output_alias): New.
1011         (aarch64_asm_output_external): New.
1012         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1013         (ASM_OUTPUT_EXTERNAL): Define.
1014
1015 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1016         * tree-vrp.h (value_range_base::nonzero_p): New.
1017         (value_range_base::set_nonnull): Rename to...
1018         (value_range_base::set_nonzero): ...this.
1019         (value_range_base::set_null): Rename to...
1020         (value_range_base::set_zero): ...this.
1021         (value_range::set_nonnull): Remove.
1022         (value_range::set_null): Remove.
1023         * tree-vrp.c (range_is_null): Remove.
1024         (range_is_nonnull): Remove.
1025         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1026         instead of range_is_*null.
1027         (extract_range_from_unary_expr): Same.
1028         (value_range_base::set_nonnull): Rename to...
1029         (value_range_base::set_nonzero): ...this.
1030         (value_range::set_nonnull): Remove.
1031         (value_range_base::set_null): Rename to...
1032         (value_range_base::set_zero): ...this.
1033         (value_range::set_null): Remove.
1034         (extract_range_from_binary_expr): Rename set_*null uses to
1035         set_*zero.
1036         (extract_range_from_unary_expr): Same.
1037         (union_helper): Same.
1038         * vr-values.c (get_value_range): Use set_*zero instead of
1039         set_*null.
1040         (vr_values::extract_range_from_binary_expr): Same.
1041         (vr_values::extract_range_basic): Same.
1042
1043 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1044
1045         PR driver/90684
1046         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1047
1048 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1049
1050         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1051         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1052         (aarch64_<su>abd<mode>_3): ... This.
1053         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1054
1055 2019-06-03  Richard Biener  <rguenther@suse.de>
1056
1057         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1058         full reference tree and record in ref->ref.
1059         (vn_reference_lookup_3): Pass in original ref to
1060         ao_ref_init_from_vn_reference.
1061         (vn_reference_lookup): Likewise.
1062         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1063         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1064         Handle non-decl bases in the original reference.
1065
1066 2019-06-03  Martin Liska  <mliska@suse.cz>
1067
1068         * doc/generic.texi: Remove Java Trees.
1069
1070 2019-06-03  Martin Liska  <mliska@suse.cz>
1071
1072         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1073         returns 0 when operands are equal.
1074
1075 2019-06-03  Richard Biener  <rguenther@suse.de>
1076
1077         PR tree-optimization/90716
1078         * tree-loop-distribution.c (destroy_loop): Process blocks in
1079         correct order.
1080
1081 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1082
1083         PR target/88837
1084         * vector-builder.h (vector_builder::count_dups): New method.
1085         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1086         Declare prototype.
1087         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1088         (vec_init<mode><Vel>): New pattern.
1089         * config/aarch64/aarch64.c (emit_insr): New function.
1090         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1091         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1092         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1093         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1094
1095 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1096
1097         PR tree-optimization/90681
1098         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1099         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1100         special case for SLP, but fail on non-groupped loads.
1101
1102 2019-06-03  Martin Liska  <mliska@suse.cz>
1103
1104         * cfg.c (debug): Use TDF_DETAILS for debug and
1105         print edge info only once.
1106
1107 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1108
1109         PR fortran/90539
1110         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1111
1112 2019-06-01  Martin Sebor  <msebor@redhat.com>
1113
1114         PR middle-end/90694
1115         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1116
1117 2019-05-31  Jan Hubicka  <jh@suse.cz>
1118
1119         * alias.c: Include ipa-utils.h.
1120         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1121         * ipa-devirt.c (prevailing_odr_type): New.
1122         * ipa-utils.h (previaling_odr_type): Declare.
1123
1124 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1125             Hongtao Liu  <hongtao.liu@intel.com>
1126
1127         PR target/89355
1128         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1129         NOTE_INSN_DELETED_LABEL check.
1130
1131 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1132             Robert Suchanek  <robert.suchanek@mips.com>
1133
1134         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1135         and 3rd operands of the fmadd/fmsub/maddv builtin.
1136
1137 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1138
1139         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1140         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1141         on OMP_SIMD if not nested inside of worksharing loop that also has
1142         lastprivate conditional clause for the same decl.
1143         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1144         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1145         on simd.
1146         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1147         on simd construct.
1148         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1149         on simd construct.
1150         (lower_lastprivate_clauses): Likewise.
1151         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1152         calling lower_rec_input_clauses.
1153         (lower_omp_for): Likewise.
1154         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1155         clause on simd construct.
1156         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1157         OMP_CLAUSE__CONDTEMP_ clause is present.
1158
1159         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1160         ivar and lvar.
1161
1162 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1163
1164         PR c/43673
1165         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1166         TEX_D32, TEX_D64 or TEX_D128.
1167
1168 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1169
1170         * match.pd (~(vec?cst1:cst2)): New transformation.
1171
1172 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1173
1174         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1175         ((size_t)(A /[ex] B) CMP C): New transformation.
1176
1177 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1178
1179         * doc/md.texi: Document define_insn_and_rewrite.
1180         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1181         * gensupport.c (queue_elem): Update comment.
1182         (replace_operands_with_dups): New function.
1183         (gen_rewrite_sequence): Likewise.
1184         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1185         * read-rtl.c (apply_subst_iterator): Likewise.
1186         (add_condition_to_rtx, named_rtx_p): Likewise.
1187         (rtx_reader::read_rtx_operand): Likewise.
1188         * config/aarch64/aarch64-sve.md
1189         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1190         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1191         define_insn_and_rewrite.
1192         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1193         Remove separate define_split.
1194
1195 2019-05-31  Jan Hubicka  <jh@suse.cz>
1196
1197         * tree-ssa-alias.c (type_has_components_p): New function.
1198         (aliasing_component_refs_p): Use it.
1199
1200 2019-05-31  Martin Liska  <mliska@suse.cz>
1201
1202         * gdbhooks.py: Add const_tree to TreePrinter.
1203
1204 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1205
1206         PR debug/86964
1207         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1208         * doc/invoke.texi (Debugging Options): Document new default of
1209         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1210
1211 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1212
1213         PR tree-optimization/90671
1214         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1215         template_block used to be empty on the first call, don't use
1216         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1217         seq with bb_seq and set it with set_bb_seq.
1218
1219 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1220
1221         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1222
1223 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1224             Michael Meissner  <meissner@linux.ibm.com>
1225
1226         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1227         (prefixed_mem_operand): Likewise.
1228         (non_prefixed_mem_operand): Likewise.
1229         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1230         prototype.
1231         * config/rs6000/rs6000.c (print_operand_address): Handle
1232         PC-relative addresses.
1233         (mode_supports_prefixed_address_p): New function.
1234         (rs6000_prefixed_address): New function.
1235         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1236         (SYMBOL_REF_PCREL_P): Likewise.
1237
1238 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1239
1240         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1241         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1242         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1243         is nested inside of parallel region, add _condtemp_ clause to both.
1244         * tree-nested.c (convert_nonlocal_omp_clauses,
1245         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1246         assertion failure.
1247         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1248         member.
1249         * omp-general.c (omp_extract_for_data): Compute it.
1250         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1251         (lower_rec_input_clauses): Likewise.
1252         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1253         clause is already present, just add one further one after it.
1254         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1255         (lower_send_shared_vars): Clear _condtemp_ vars.
1256         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1257         or section or taskgroup.
1258         * omp-expand.c (determine_parallel_type): Disallow combining only if
1259         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1260         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1261         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1262         expand_omp_for_static_chunk, expand_omp_for): Use
1263         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1264         determine if a special set of API routines are needed and if condtemp
1265         needs to be initialized, while always initialize cond_var if
1266         fd->lastprivate_conditional is non-zero.
1267
1268 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1269             Michael Meissner  <meissner@linux.ibm.com>
1270
1271         * config/rs6000/constraints.md (eI): New constraint.
1272         * config/rs6000/predicates.md (cint34_operand): New predicate.
1273         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1274         (SIGNED_34BIT_OFFSET_P): Likewise.
1275         * doc/md.texi (eI): Document constraint.
1276
1277 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1278
1279         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1280
1281 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1282             Michael Meissner  <meissner@linux.ibm.com>
1283
1284         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1285         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1286         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1287         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1288         (OTHER_FUTURE_MASKS): Likewise.
1289         (POWERPC_MASKS): Likewise.
1290         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1291         specified without -mprefixed-addr or -mcpu=future.  Error if
1292         -mprefixed-addr is specified without -mcpu=future.
1293         (rs6000_opt_masks): Add entry for prefixed-addr.
1294         * rs6000.opt (mprefixed-addr): New option.
1295
1296 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1297
1298         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1299         cfun->is_thunk check.
1300
1301 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1302
1303         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1304         to length.
1305
1306 2019-05-30  Martin Liska  <mliska@suse.cz>
1307
1308         * gdbinit.in: Fix 'ptc' command.  Add trt
1309         that prints TREE_TYPE($).
1310
1311 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1312             Alan Modra  <amodra@gmail.com>
1313
1314         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1315         calls here...
1316         (rs6000_indirect_call_template_1): ...and here.
1317         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1318         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1319         rs6000_pltseq_enum.
1320         (rs6000_decl_ok_for_sibcall): New function.
1321         (rs6000_function_ok_for_sibcall): Refactor.
1322         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1323         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1324         when pcrel.  Reorganize.
1325         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1326         * rs6000.h (rs6000_pltseq_enum): New enum.
1327         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1328         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1329         (*pltseq_plt16_ha): Likewise.
1330         (*pltseq_plt16_lo): Likewise.
1331         (*pltseq_mtctr): Likewise.
1332         (*pltseq_plt_pcrel): New insn.
1333         (*call_local_aix): Handle @notoc calls.
1334         (*call_value_local_aix): Likewise.
1335         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1336         (*call_value_nonlocal_aix): Likewise.
1337         (*call_indirect_pcrel): New insn.
1338         (*call_value_indirect_pcrel): Likewise.
1339
1340
1341 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1342
1343         * config/i386/sse.md (*save_multiple<mode>): Rename from
1344         save_multiple<mode>.
1345         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1346         (*restore_multiple_and_return<mode>): Rename from
1347         restore_multiple_and_return<mode>.
1348         (*restore_multiple_leave_return<mode>): Rename from
1349         restore_multiple_leave_return<mode>.
1350
1351 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1352
1353         * config.gcc (rx-*-linux*): New target.
1354         * config/rx/elf.opt: New file.
1355         * config/rx/linux.h: Likewise.
1356         * config/rx/t-linux: Likewise.
1357         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1358         make it zero.
1359         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1360         (ASM_APP_OFF): Likewise.
1361         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1362         moved elsewhere.
1363
1364 2019-05-29  Jan Hubicka  <jh@suse.cz>
1365
1366         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1367         variants are pointer equivalent.
1368
1369 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1370
1371         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1372         * config/aarch64/aarch64-sve2.md: New file.
1373         (<u>avg<mode>3_floor): New pattern.
1374         (<u>avg<mode>3_ceil): Likewise.
1375         (*<sur>h<addsub><mode>): Likewise.
1376         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1377         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1378
1379 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1380
1381         PR bootstrap/90543
1382         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1383         for var_opt_string printing.  In cl_optimization_print_diff, print
1384         (null) instead of invoking undefined behavior if one of the
1385         var_opt_string pointers is NULL and use && instead of first || in the
1386         guarding condition.  For var_target_other options, handle const char *
1387         target variables similarly to const char * optimize node variables.
1388
1389 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1390
1391         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1392         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1393         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1394         Add autib1716 and pacib1716 initialisation.
1395         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1396         for autib1716 and pacib1716.
1397         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1398         aarch64_post_cfi_startproc): Define.
1399         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1400         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1401         aarch64_handle_pac_ret_protection): Set default sign key to A.
1402         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1403         aarch64_expand_prologue): Add check for b-key.
1404         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1405         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1406         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1407         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1408         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1409         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1410         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1411         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1412         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1413         pauth_hint_num_a with pauth_hint_num.
1414         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1415         pauth_hint_num_a with pauth_hint_num.
1416         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1417         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1418         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1419         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1420         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1421         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1422         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1423         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1424         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1425         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1426         UNSPEC_AUTIA1716 respectively.
1427         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1428         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1429         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1430         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1431         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1432
1433 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1434
1435         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1436         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1437         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1438         explicit clause on combined parallel into implicit shared clause.
1439         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1440         and firstprivate if the decl has one too from combined parallel to
1441         the worksharing construct.
1442
1443 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1444             Michael Meissner  <meissner@linux.ibm.com>
1445
1446         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1447
1448 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1449
1450         * rtl.h (LABEL_REF_P): New #define.
1451
1452 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1453
1454         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1455
1456 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1457
1458         * internal-fn.c: Marked mask_load_direct as vectorizable.
1459         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1460         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1461         combined even if masks different with allow_slp_p param.
1462         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1463         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1464         dissolve SLP-only vectorizable groups when SLP has been discarded.
1465         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1466         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1467         masks.
1468         (vect_build_slp_tree_1): Fixed comment typo.
1469         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1470         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1471         loads for SLP only.
1472         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1473         vectorizable.
1474         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1475
1476 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1477
1478         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1479         Remove obsolete use_thunk reference.
1480         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1481         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1482         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1483         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1484         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1485         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1486         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1487         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1488         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1489
1490 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1491
1492         * tree.h (IDENTIFIER_ANON_P): New.
1493         (anon_aggrname_format, anon_aggname_p): Don't declare.
1494         (make_anon_name): Declare.
1495         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1496         (hash_tree): Likewise.
1497         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1498         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1499         (anon_cnt, make_anon_name): New.
1500
1501 2019-05-28  Martin Liska  <mliska@suse.cz>
1502
1503         PR other/90315
1504         * opts-global.c (decode_options): Print help for all
1505         help_option_arguments.
1506         * opts.c (print_help): Add new argument.
1507         (common_handle_option): Remember all values into
1508         help_option_arguments.
1509         * opts.h (print_help): Add new argument.
1510
1511 2019-05-28  Martin Liska  <mliska@suse.cz>
1512
1513         PR ipa/90555
1514         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1515         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1516         (func_checker::compare_bb): Call compare_loops.
1517
1518 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1519
1520         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1521         on sections construct.
1522         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1523         construct.
1524         (lower_omp_sections): Handle lastprivate conditional.
1525         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1526         lastprivate_conditional_map.
1527         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1528
1529         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1530         critical, taskgroup and section regions when looking for a region
1531         with non-NULL lastprivate_conditional_map.
1532
1533 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1534
1535         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1536         (*ix86_gen_sub3): Ditto.
1537         (*ix86_gen_sub3_carry): Ditto.
1538         (*ix86_gen_one_cmpl2): Ditto.
1539         (*ix86_gen_andsp): Ditto.
1540         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1541         (gen_and2_insn): New static function.
1542         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1543         Use gen_add3_insn instead of ix86_gen_add3.
1544         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1545         instead of ix86_gen_add3.
1546         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1547         Use gen_sub3_insn instead of ix86_gen_sub3.
1548         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1549         instead of ix86_gen_add3.
1550         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1551         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1552         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1553         * config/i386/i386-options.c (ix86_option_override_internal):
1554         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1555         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1556
1557 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1558
1559         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1560         and DW_OP_GNU_const_index opcodes.
1561
1562 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1563
1564         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1565
1566 2019-05-27  Richard Biener  <rguenther@suse.de>
1567
1568         PR tree-optimization/90637
1569         * tree-ssa-sink.c (statement_sink_location): Honor the
1570         computed sink location for single-uses.
1571
1572 2019-05-27  Richard Biener  <rguenther@suse.de>
1573
1574         PR middle-end/90610
1575         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1576         a bit-insert.
1577
1578 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1579
1580         * config/i386/i386.md (@sub<mode>3_carry): Rename
1581         from sub<mode>3_carry.
1582         (@leave_<mode>): New expander.
1583         (*leave): Rename from leave.
1584         (*leave_rex64): Rename from leave_rex64.
1585         (@monitorx_<mode>): Rename from monitorx_<mode>.
1586         (@clzero_<mode>): Rename from clzero_<mode>.
1587         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1588         from sse3_monitor_<mode>.
1589         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1590         (*ix86_gen_leave): Ditto.
1591         (*ix86_gen_monitor): Ditto.
1592         (*ix86_gen_monitorx): Ditto.
1593         (*ix86_gen_clzero): Ditto.
1594         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1595         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1596         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1597         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1598         Use gen_sse3_monitor instead of ix86_gen_monitor.
1599         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1600         instead of ix86_gen_monitorx.
1601         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1602         instead of ix86_gen_clzero.
1603         * config/i386/i386-options.c (ix86_option_override_internal):
1604         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1605         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1606
1607 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1608
1609         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1610         Rename from tls_global_dynamic_64_<mode>.
1611         (@tls_local_dynamic_base_64_<mode>): Rename from
1612         tls_local_dynamic_base_64_<mode>.
1613         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1614         Remove indirect function.
1615         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1616         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1617         instead of ix86_gen_tls_global_dynamic_64.
1618         Use gen_tls_local_dynamic_base_64 instead of
1619         ix86_gen_tls_local_dynamic_base_64.
1620         * config/i386/i386-options.c (ix86_option_override_internal):
1621         Do not initialize ix86_gen_tls_global_dynamic_64 and
1622         ix86_gen_tls_local_dynamic_base_64.
1623
1624 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1625
1626         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1627         Rename from pro_epilogue_adjust_stack_<mode>_add.
1628         (@pro_epilogue_adjust_stack_sub_<mode>)
1629         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1630         (@allocate_stack_worker_probe_<mode>):
1631         Rename from allocate_stack_worker_probe_<mode>.
1632         (allocate_stack): Use gen_allocate_stack_worker_probe.
1633         (probe_stack): Use gen_probe_stack_1.
1634         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1635         (@adjust_stack_and_probe_<mode>): Rename from
1636         adjust_stack_and_probe<mode>.
1637         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1638         (stack_protect_set): Use gen_stack_protect_set_1.
1639         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1640         (stack_protect_test): Use gen_stack_protect_test_1.
1641         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1642         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1643         Remove indirect function.
1644         (*ix86_gen_adjust_stack_and_probe): Ditto.
1645         (*ix86_gen_probe_stack_range): Ditto.
1646         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1647         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1648         (ix86_adjust_stack_and_probe_stack_clash): Use
1649         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1650         (ix86_adjust_stack_and_probe): Ditto.
1651         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1652         of ix86_gen_probe_stack_range.
1653         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1654         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1655         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1656         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1657         CODE_FOR_stack_protect_test_{si,di}.
1658         * config/i386/i386-options.c (ix86_option_override_internal):
1659         Do not initialize ix86_gen_allocate_stack_worker,
1660         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1661
1662 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1663
1664         * doc/invoke.texi (Link Options): Many editorial changes around
1665         -flinker-output.
1666
1667 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1668
1669         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1670         pre-Solaris 11 referene and most Studio compiler details.
1671
1672 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1673
1674         PR target/90530
1675         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1676         DImode to SImode in floating-point registers on 64-bit target.
1677         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1678         register_operand in xmpyu patterns.
1679
1680 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1681
1682         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1683         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1684         OMP_CLAUSE__REDUCTEMP_.
1685         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1686         OMP_CLAUSE__CONDTEMP_.
1687         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1688         * tree-pretty-print.c (dump_omp_clause): Likewise.
1689         * tree-nested.c (convert_nonlocal_omp_clauses,
1690         convert_local_omp_clauses): Likewise.
1691         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1692         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1693         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1694         on OMP_FOR.
1695         (gimplify_omp_for): Warn and disable conditional modifier from
1696         lastprivate on loop iterators.
1697         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1698         member.
1699         * omp-general.c (omp_extract_for_data): Initialize it.
1700         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1701         member.
1702         (delete_omp_context): Delete it.
1703         (lower_lastprivate_conditional_clauses): New function.
1704         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1705         handle lastprivate conditional clauses.
1706         (lower_reduction_clauses): Add CLIST argument, emit it into
1707         the critical section if any.
1708         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1709         lower_reduction_clauses callers.
1710         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1711         to lower_lastprivate_clauses.
1712         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1713         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1714         clist into a critical section if not emitted there already by
1715         lower_reduction_clauses.
1716         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1717         callers.
1718         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1719         conditional variables.
1720         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1721         clause is present.
1722         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1723         expand_omp_for_static_chunk): Handle lastprivate conditional.
1724         (expand_omp_for): Handle fd.lastprivate_conditional like
1725         fd.have_reductemp.
1726
1727 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1728
1729         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1730         kernel does not exit cleanly.
1731         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1732
1733 2019-05-24  Jason Merrill  <jason@redhat.com>
1734
1735         Revert:
1736         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1737
1738 2019-05-24  Richard Biener  <rguenther@suse.de>
1739
1740         PR testsuite/90607
1741         * tree-loop-distribution.c (struct partition): Add location
1742         member.
1743         (partition_alloc): Initialize all fields.
1744         (generate_memset_builtin): Use the location recorded in the
1745         partition for the generated call.
1746         (generate_memcpy_builtin): Likewise.
1747         (classify_partition): Record the location of a single store
1748         as location for the partition.
1749
1750 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1751
1752         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1753         for lo-part.
1754
1755 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1756
1757         PR target/90588
1758         * common/config/aarch64/aarch64-common.c
1759         (aarch64_rewrite_selected_cpu): Change local temporary variable
1760         type from unsigned long to uint64_t.
1761         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1762         aarch64_get_extension_string_for_isa_flags): Change declaration to
1763         match new definition by replacing unsigned long with uint64_t.
1764
1765 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1766
1767         PR target/90568
1768         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1769         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1770         Handle stack_protect_test_<mode> codegen similarly to corresponding
1771         sub instruction.
1772
1773 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1774
1775        * config/i386/darwin.h: Reject -mfentry*.
1776        * doc/sourcebuild.texi: Document mfentry target support.
1777
1778 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1779
1780         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1781         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1782         false for PC-relative functions.
1783         (rs6000_output_function_prologue): Change called function name to
1784         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1785         name,1" for PC-relative functions.
1786         (rs6000_elf_declare_function_name): Change called function name to
1787         rs6000_global_entry_point_prologue_needed_p.
1788
1789 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1790
1791         PR target/90552
1792         * config/i386/i386.c (gen_rtx_cost):
1793         Use ix86_tune_cost instead of ix86_cost.
1794
1795 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1796             Michael Meissner  <meissner@linux.ibm.com>
1797             Segher Boessenkool  <segher@kernel.crashing.org>
1798
1799         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1800         OPTION_MASK_PCREL.
1801         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1802         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1803         (rs6000_fndecl_pcrel_p): Likewise.
1804         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1805         error if -mpcrel is requested without -mcpu=future.
1806         (rs6000_opt_masks): Add entry for pcrel.
1807         (rs6000_fndecl_pcrel_p): New function.
1808         (rs6000_pcrel_p): Likewise.
1809         * config/rs6000/rs6000.opt (mpcrel): New option.
1810         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1811
1812 2019-05-23  Jan Hubicka  <jh@suse.cz>
1813             Martin Liska  <mliska@suse.cz>
1814
1815         PR tree-optimization/90576
1816         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1817         poly_int_tree_p.
1818         (aliasing_component_refs_p): Fix three way size compare conditional;
1819         give up earlier in case we can not decide on equivalence.
1820
1821 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1822             Michael Meissner  <meissner@linux.ibm.com>
1823             Segher Boessenkool  <segher@kernel.crashing.org>
1824
1825         * config.gcc: Add future cpu.
1826         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1827         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1828         #define.
1829         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1830         (RS6000_CPU): New instantiation for future cpu.
1831         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1832         PROCESSOR_FUTURE.
1833         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1834         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1835         * config/rs6000/rs6000-tables.opt: Regenerate.
1836         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1837         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1838         (rs6000_machine_from_flags): Handle future cpu.
1839         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1840         PROCESSOR_POWER9 for now.
1841         (rs6000_adjust_cost): Likewise.
1842         (rs6000_issue_rate): Likewise.
1843         (rs6000_register_move_cost): Likewise.
1844         (rs6000_opt_masks): Add entry for future.
1845         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1846         (MASK_FUTURE): New #define.
1847         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1848         * config/rs6000/rs6000.opt (mfuture): New target option.
1849         * doc/invoke.texi (mcpu): Add future cpu.
1850
1851 2019-05-23  Martin Liska  <mliska@suse.cz>
1852
1853         PR c++/90587
1854         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1855         operation points to a temporary (pointed via tree_to_wide_ref)
1856         that is out of scope after the &.
1857
1858 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1859
1860         PR c++/90592
1861         * doc/extend.texi (Function Names): Add missing word.
1862
1863 2019-05-23  Richard Biener  <rguenther@suse.de>
1864
1865         PR tree-optimization/88440
1866         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1867         at -O[2s]+.
1868         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1869         generated call.
1870         (generate_memcpy_builtin): Likewise.
1871         (distribute_loop): Pass in whether to only distribute patterns.
1872         (prepare_perfect_loop_nest): Also allow size optimization.
1873         (pass_loop_distribution::execute): When optimizing a loop
1874         nest for size allow pattern replacement.
1875
1876 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1877
1878         PR target/90568
1879         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1880         of xor.
1881
1882 2019-05-23  Martin Liska  <mliska@suse.cz>
1883
1884         PR sanitizer/90570
1885         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1886         expression similarly to gimplify_decl_expr.
1887
1888 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1889
1890         * cse.c (cse_dump_path): s/dump_file/f.
1891
1892 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1893
1894         PR c++/90462
1895         * diagnostic-format-json.cc: Include "selftest.h".
1896         (json_from_expanded_location): Only add "file" key for non-NULL
1897         file strings.
1898         (json_from_location_range): Don't add "start" and "finish"
1899         children if they are UNKNOWN_LOCATION.
1900         (selftest::test_unknown_location): New selftest.
1901         (selftest::test_bad_endpoints): New selftest.
1902         (selftest::diagnostic_format_json_cc_tests): New function.
1903         * json.cc (json::object::get): New function.
1904         (selftest::test_object_get): New selftest.
1905         (selftest::json_cc_tests): Call it.
1906         * json.h (json::object::get): New decl.
1907         * selftest-run-tests.c (selftest::run_tests): Call
1908         selftest::diagnostic_format_json_cc_tests.
1909         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1910         decl.
1911
1912 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1913             Andrew Stubbs  <amd@codesourcery.com>
1914
1915         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1916         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1917         (kernel): Rename to...
1918         (main_kernel): ... this.
1919         (load_image): Load _init_array and _fini_array kernels.
1920         (run): Add argument for kernel to run.
1921         (main): Run init_array_kernel before main_kernel, and
1922         fini_array_kernel after.
1923         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1924         amdgpu_hsa_kernel attribute on functions.
1925         (gcn_disable_constructors): Delete.
1926         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1927         * config/gcn/crt0.c (size_t): Define.
1928         (_init_array, _fini_array): New.
1929         (__preinit_array_start, __preinit_array_end,
1930         __init_array_start, __init_array_end,
1931         __fini_array_start, __fini_array_end): Declare weak references.
1932
1933 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1934
1935         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1936
1937 2019-05-22  Jason Merrill  <jason@redhat.com>
1938
1939         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1940
1941 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1942
1943         PR target/88483
1944         * config/i386/i386-options.c (ix86_init_machine_status): Set
1945         stack_frame_required to true.
1946         * config/i386/i386.c (ix86_get_frame_size): New function.
1947         (ix86_frame_pointer_required): Replace get_frame_size with
1948         ix86_get_frame_size.
1949         (ix86_compute_frame_layout): Likewise.
1950         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1951         stack_frame_required.
1952         (ix86_finalize_stack_frame_flags): Always call
1953         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1954         ix86_get_frame_size.
1955         * config/i386/i386.h (machine_function): Add stack_frame_required.
1956
1957 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1958
1959         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1960
1961 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1962
1963         * common/config/aarch64/aarch64-common.c
1964         (struct aarch64_option_extension, struct processor_name_to_arch,
1965         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1966         aarch64_contains_opt,
1967         aarch64_get_extension_string_for_isa_flags): Change type of
1968         variables storing flags to uint64_t.
1969         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1970         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1971         * config/aarch64/aarch64.c (struct processor,
1972         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1973         aarch64_validate_march, aarch64_override_options,
1974         aarch64_option_print, aarch64_handle_attr_isa_flags,
1975         aarch64_declare_function_name, aarch64_start_file): Make flag
1976         variables uint64_t.
1977         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1978         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1979         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1980         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1981         * config/aarch64/driver-aarch64.c
1982         (struct aarch64_arch_extension, struct aarch64_core_data,
1983         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1984         flag variables uint64_t.
1985         * doc/invoke.texi: Add documentation for new arguments.
1986
1987 2019-05-22  Richard Biener  <rguenther@suse.de>
1988
1989         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1990         rewrite ...
1991         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1992
1993 2019-05-22  Martin Liska  <mliska@suse.cz>
1994
1995         PR lto/90500
1996         * doc/extend.texi: Document the change.
1997
1998 2019-05-22  Richard Biener  <rguenther@suse.de>
1999
2000         PR tree-optimization/90450
2001         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2002         (mem_ref_hasher::equal): Check it.
2003         (mem_ref_alloc): Initialize it.
2004         (gather_mem_refs_stmt): Set it.
2005
2006 2019-05-22  Richard Biener  <rguenther@suse.de>
2007
2008         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2009         Add ABS_EXPR.
2010         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2011         as ABSU_EXPR.
2012
2013 2019-05-22  Alan Modra  <amodra@gmail.com>
2014
2015         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2016         (ASM_CPU_SPEC): Conditionally add -many.
2017         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2018         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2019         (rs6000_file_start): ..extracted from here, and modified to
2020         test all ISA bits.
2021         (rs6000_output_function_prologue): Emit .machine as necessary.
2022         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2023         power mnemonics.
2024         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2025         added by check_vect_support_and_set_flags.
2026         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2027         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2028
2029 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2030
2031         PR middle-end/90553
2032         * ira-lives.c (process_bb_node_lives): Consider defs
2033         for a call insn to be die before the call, not after.
2034
2035         * function.c (assign_parm_setup_block): Raise alignment of
2036         stacked parameter only for STRICT_ALIGNMENT targets.
2037
2038 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2039
2040         * config/rs6000/constraints.md (define_register_constraint "wz"):
2041         Delete.
2042         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2043         RS6000_CONSTRAINT_wz.
2044         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2045         (rs6000_init_hard_regno_mode_ok): Adjust.
2046         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2047         * doc/md.texi (Machine Constraints): Adjust.
2048
2049 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2050
2051         * config/rs6000/constraints.md (define_register_constraint "wl"):
2052         Delete.
2053         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2054         RS6000_CONSTRAINT_wl.
2055         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2056         (rs6000_init_hard_regno_mode_ok): Adjust.
2057         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2058         * doc/md.texi (Machine Constraints): Adjust.
2059
2060 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2061
2062         * config/rs6000/constraints.md (define_register_constraint "wm"):
2063         Delete.
2064         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2065         RS6000_CONSTRAINT_wm.
2066         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2067         (rs6000_init_hard_regno_mode_ok): Adjust.
2068         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2069         * doc/md.texi (Machine Constraints): Adjust.
2070
2071 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2072
2073         * config/rs6000/constraints.md (define_register_constraint "wk"):
2074         Delete.
2075         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2076         RS6000_CONSTRAINT_wk.
2077         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2078         (rs6000_init_hard_regno_mode_ok): Adjust.
2079         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2080         * doc/md.texi (Machine Constraints): Adjust.
2081
2082 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2083
2084         * config/rs6000/constraints.md (define_register_constraint "wj"):
2085         Delete.
2086         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2087         RS6000_CONSTRAINT_wj.
2088         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2089         (rs6000_init_hard_regno_mode_ok): Adjust.
2090         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2091         (VS_64dm): Delete.
2092         * config/rs6000/vsx.md: Ditto.
2093         * doc/md.texi (Machine Constraints): Adjust.
2094
2095 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2096
2097         * config/rs6000/constraints.md (define_register_constraint "wh"):
2098         Delete.
2099         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2100         RS6000_CONSTRAINT_wh.
2101         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2102         (rs6000_init_hard_regno_mode_ok): Adjust.
2103         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2104         * doc/md.texi (Machine Constraints): Adjust.
2105
2106 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2107
2108         PR target/90547
2109         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2110         Avoid calling gen_lowpart with CONST operand.
2111
2112 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2113
2114         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2115         field template_last_to_copy.
2116         (ssa_create_duplicates): Set it, and use it.  Attempt to
2117         preserve more debug stmts.
2118
2119 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2120
2121         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2122         (signbit<mode>2): New expander
2123
2124 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2125
2126         PR bootstrap/87338
2127         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2128         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2129
2130 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2131
2132         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2133         %ebx and %ecx bafore calling cpuid with leaf 1 or
2134         non-constant leaf argument.
2135
2136 2019-05-21  Alan Modra  <amodra@gmail.com>
2137
2138         PR target/90545
2139         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2140         power9 direct move cost.
2141         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2142         Correct comments and rename functions to suit parameters.
2143
2144 2019-05-21  Richard Biener  <rguenther@suse.de>
2145
2146         PR middle-end/90510
2147         * fold-const.c (fold_read_from_vector): New function.
2148         * fold-const.h (fold_read_from_vector): Declare.
2149         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2150         single-element insert permutations.  Canonicalize selector
2151         further and fix issue with last commit.
2152
2153 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2154
2155         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2156         parameter with default value false to declaration.
2157         (split_edges_for_insertion): New inline function.  Wrapper for
2158         split_critical_edges with for_edge_insertion_p = true.
2159         * tree-cfg.c (split_critical_edges): Don't split non-critical
2160         edges if for_edge_insertion_p is false.  Fix whitespace.
2161         * tree-ssa-pre.c (pass_pre::execute): Call
2162         split_edges_for_insertion instead of split_critical_edges.
2163         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2164         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2165         (pass_data_sink_code): Update function name in the comment.
2166
2167 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2168
2169         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2170         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2171         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2172         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2173         positives.
2174
2175 2019-05-21  Martin Liska  <mliska@suse.cz>
2176
2177         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2178         an extra newline.
2179         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2180         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2181         vec_lvsr.
2182         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2183         Quote a C type.
2184         (rs6000_function_arg): Likewise.
2185         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2186         (rs6000_expand_ternop_builtin): Use interval syntax.
2187         (get_element_number): Likewise.
2188         (altivec_expand_builtin): Likewise.
2189         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2190
2191 Fix test-suite.
2192
2193 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2194
2195         PR c++/59813
2196         PR target/90418
2197         * function.h (struct function): Add calls_eh_return member.
2198         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2199         gimplifying __builtin_eh_return call.
2200         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2201         to cfun.
2202         (expand_call_inline): Or in src_cfun->calls_eh_return into
2203         dst_cfun->calls_eh_return.
2204         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2205         cfun->calls_eh_return.
2206         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2207         * lto-streamer-out.c (output_struct_function_base): Write
2208         calls_eh_return.
2209
2210 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2211
2212         PR rtl-optimization/43147
2213         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2214         IX86_BUILTIN_SHUFPD.
2215
2216 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2217
2218         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2219         (refs_may_alias_p_1): ... here; update stats.
2220         (refs_may_alias_p): Do not update stats here.
2221
2222 2019-05-20  Richard Biener  <rguenther@suse.de>
2223
2224         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2225         doesn't produce pointers.
2226         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2227         the first operand points to.
2228
2229 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2230
2231         * tree-ssa-alias.c (compare_sizes): New function.
2232         (sompare_type_sizes): New function
2233         (aliasing_component_refs_p): Use it.
2234         (indirect_ref_may_alias_decl_p): Likewise.
2235
2236 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2237
2238         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2239
2240 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2241
2242         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2243         (LIBLSAN_EARLY_SPEC): Likewise.
2244         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2245
2246 2019-05-20  Martin Liska  <mliska@suse.cz>
2247
2248         * config/i386/i386.c (ix86_libc_has_fast_function):
2249         Add ATTRIBUTE_UNUSED for the argument.
2250
2251 2019-05-20  Richard Biener  <rguenther@suse.de>
2252
2253         * gimple-match-head.c: Include vec-perm-indices.h.
2254         * generic-match-head.c: Likewise.
2255         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2256         is included.
2257         * fold-const.c (fold_vec_perm): Export.
2258         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2259         (match.pd): ...here.
2260
2261 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2262
2263         * cfgloop.h (struct loop): Add simdlen member.
2264         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2265         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2266         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2267         as new argument to autovectorize_vector_sizes target hook.  If
2268         loop->simdlen, pick up vector size where the vectorization factor
2269         is equal to loop->simd, and if there is none, fall back to the first
2270         successful one.
2271         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2272         caller.
2273         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2274         * omp-general.c (omp_max_vf): Likewise.
2275         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2276         * tree-vect-slp.c (vect_slp_bb): Likewise.
2277         * target.def (autovectorize_vector_sizes): Add ALL argument and
2278         document it.
2279         * doc/tm.texi: Adjust documentation.
2280         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2281         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2282         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2283         bool argument.
2284         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2285         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2286         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2287         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2288         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2289         preferred vector size is not 512-bit or 256-bit, just put those
2290         unpreferred ones last.
2291
2292 2019-05-20  Martin Liska  <mliska@suse.cz>
2293
2294         * targhooks.c (default_libc_has_fast_function): New function.
2295         * targhooks.h (default_libc_has_fast_function): Likewise.
2296
2297 2019-05-20  Martin Liska  <mliska@suse.cz>
2298
2299         PR middle-end/90263
2300         * builtins.c (expand_builtin_memory_copy_args): When having a
2301         target with fast mempcpy implementation do now use memcpy.
2302         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2303         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2304         * doc/tm.texi: Likewise.
2305         * doc/tm.texi.in: Likewise.
2306         * target.def:
2307         * expr.c (emit_block_move_hints): Add 2 new arguments.
2308         * expr.h (emit_block_move_hints): Bail out when libcall
2309         to memcpy would be used.
2310
2311 2019-05-20  Martin Liska  <mliska@suse.cz>
2312
2313         * profile-count.c: Add vertical spacing in order
2314         to separate functions.
2315         * profile-count.h: Likewise.
2316
2317 2019-05-20  Martin Liska  <mliska@suse.cz>
2318
2319         * profile-count.h: Do not use full qualified
2320         names if possible.
2321         * profile-count.c (profile_count::to_frequency): Likewise.
2322
2323 2019-05-20  Martin Liska  <mliska@suse.cz>
2324
2325         * profile-count.h (enum profile_quality): Use capital letters
2326         for enum value names.  Use the adjusted names.
2327         * profile-count.c: Use the adjusted names.
2328
2329 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2330
2331         * config/rs6000/constraints.md (define_register_constraint "wH"):
2332         Delete.
2333         (define_register_constraint "wI"): Delete.
2334         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2335         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2336         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2337         (rs6000_init_hard_regno_mode_ok): Adjust.
2338         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2339         resp. "d", or with "wa" as appropriate, all with "p8v".
2340         * config/rs6000/vsx.md: Ditto.
2341         * doc/md.texi (Machine Constraints): Adjust.
2342
2343 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2344
2345         * config/rs6000/constraints.md (define_register_constraint "wy"):
2346         Delete.
2347         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2348         RS6000_CONSTRAINT_wy.
2349         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2350         (rs6000_init_hard_regno_mode_ok): Adjust.
2351         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2352         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2353         (define_mode_attr Fisa): New.
2354         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2355         * doc/md.texi (Machine Constraints): Adjust.
2356
2357 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2358
2359         * config/rs6000/constraints.md (define_register_constraint "wu"):
2360         Delete.
2361         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2362         RS6000_CONSTRAINT_wu.
2363         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2364         (rs6000_init_hard_regno_mode_ok): Adjust.
2365         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2366         both with "p8v".
2367         (define_mode_attr Fa): Delete.
2368         * config/rs6000/vsx.md: Ditto.
2369         * doc/md.texi (Machine Constraints): Adjust.
2370
2371 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2372
2373         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2374         Delete.
2375         (define_register_constraint "wK"): Delete.
2376         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2377         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2378         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2379         (rs6000_init_hard_regno_mode_ok): Adjust.
2380         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2381         Replace "wK" constraint by "wH" with "p9v".
2382         * config/rs6000/vsx.md: Ditto.
2383         * doc/md.texi (Machine Constraints): Adjust.
2384
2385 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2386
2387         * config/rs6000/constraints.md (define_register_constraint "wb"):
2388         Delete.
2389         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2390         RS6000_CONSTRAINT_wb.
2391         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2392         (rs6000_init_hard_regno_mode_ok): Adjust.
2393         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2394         * config/rs6000/vsx.md: Ditto.
2395         * doc/md.texi (Machine Constraints): Adjust.
2396
2397 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2398
2399         * config/rs6000/constraints.md (define_register_constraint "wo"):
2400         Delete.
2401         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2402         RS6000_CONSTRAINT_wo.
2403         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2404         (rs6000_init_hard_regno_mode_ok): Adjust.
2405         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2406         * config/rs6000/altivec.md: Ditto.
2407         * doc/md.texi (Machine Constraints): Adjust.
2408
2409 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2410
2411         * config/darwin-c.c (darwin_register_objc_includes): Do not
2412         prepend the sysroot when building gnu-runtime header search
2413         paths.
2414
2415 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2416
2417         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2418         instead of direct output of the asm.
2419
2420 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2421
2422         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2423         argument to be type bool (was int before).
2424         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2425         at first use.  Use type bool for some variables.  Fix a theoretical
2426         eh_return bug for svr4.
2427
2428 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2429
2430         * config/rs6000/rs6000.md (isa): New attribute.
2431         (enabled): New attribute.
2432
2433 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2434
2435         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2436         assemble_start_function and assemble_end_function.
2437
2438 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2439
2440         PR middle-end/89433
2441         * omp-general.c (oacc_verify_routine_clauses): Change formal
2442         parameters.  Add checking if already marked with an OpenACC
2443         'routine' directive.  Adjust all users.
2444
2445         PR middle-end/89433
2446         * omp-general.c (oacc_build_routine_dims): Move some of its
2447         processing into...
2448         (oacc_verify_routine_clauses): ... this new function.
2449         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2450
2451 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2452
2453         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2454         formating of picbase labels to match other ports.
2455
2456 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2457
2458         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2459         in the generated code.
2460
2461 2019-05-16  Martin Sebor  <msebor@redhat.com>
2462
2463         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2464         identifiers, keywords, operators, and types in diagnostics.  Correct
2465         quoting, spelling, and sentence capitalization issues.
2466         (expand_builtin_atomic_is_lock_free): Same.
2467         (fold_builtin_next_arg): Same.
2468         * cfgexpand.c (expand_one_var): Same.
2469         (tree_conflicts_with_clobbers_p): Same.
2470         (expand_asm_stmt): Same.
2471         (verify_loop_structure): Same.
2472         * cgraphunit.c (process_function_and_variable_attributes): Same.
2473         * collect-utils.c (collect_execute): Same.
2474         * collect2.c (maybe_run_lto_and_relink): Same.
2475         (is_lto_object_file): Same.
2476         (scan_prog_file): Same.
2477         * convert.c (convert_to_real_1): Same.
2478         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2479         * except.c (verify_eh_tree): Same.
2480         * gcc.c (execute): Same.
2481         (eval_spec_function): Same.
2482         (run_attempt): Same.
2483         (driver::set_up_specs): Same.
2484         (compare_debug_auxbase_opt_spec_function): Same.
2485         * gcov-tool.c (unlink_gcda_file): Same.
2486         (do_merge): Same.
2487         (do_rewrite): Same.
2488         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2489         * gimplify.c (gimplify_asm_expr): Same.
2490         (gimplify_adjust_omp_clauses): Same.
2491         * hsa-gen.c (gen_hsa_addr_insns): Same.
2492         (gen_hsa_insns_for_load): Same.
2493         (gen_hsa_cmp_insn_from_gimple): Same.
2494         (gen_hsa_insns_for_operation_assignment): Same.
2495         (gen_get_level): Same.
2496         (gen_hsa_alloca): Same.
2497         (omp_simple_builtin::generate): Same.
2498         (gen_hsa_atomic_for_builtin): Same.
2499         (gen_hsa_insns_for_call): Same.
2500         * input.c (dump_location_info): Same.
2501         * ipa-devirt.c (compare_virtual_tables): Same.
2502         * ira.c (ira_setup_eliminable_regset): Same.
2503         * lra-assigns.c (lra_assign): Same.
2504         * lra-constraints.c (lra_constraints): Same.
2505         * lto-streamer-in.c (lto_input_mode_table): Same.
2506         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2507         (merge_and_complain): Same.
2508         (compile_offload_image): Same.
2509         (compile_images_for_offload_targets): Same.
2510         (debug_objcopy): Same.
2511         (run_gcc): Same.
2512         (main): Same.
2513         * opts.c (print_specific_help): Same.
2514         (parse_no_sanitize_attribute): Same.
2515         (print_help): Same.
2516         (handle_param): Same.
2517         * plugin.c (add_new_plugin): Same.
2518         (parse_plugin_arg_opt): Same.
2519         (try_init_one_plugin): Same.
2520         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2521         operators, and types in diagnostics.  Correct quoting and spelling
2522         issues.
2523         * read-rtl-function.c (parse_edge_flag_token): Same.
2524         (function_reader::parse_enum_value): Same.
2525         * reg-stack.c (check_asm_stack_operands): Same.
2526         * regcprop.c (validate_value_data): Same.
2527         * sched-rgn.c (make_pass_sched_fusion): Same.
2528         * stmt.c (check_unique_operand_names): Same.
2529         * targhooks.c (default_target_option_pragma_parse): Same.
2530         * tlink.c (recompile_files): Same.
2531         * toplev.c (process_options): Same.
2532         (do_compile): Same.
2533         * trans-mem.c (diagnose_tm_1): Same.
2534         (ipa_tm_scan_irr_block): Same.
2535         (ipa_tm_diagnose_transaction): Same.
2536         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2537         format a tree code name in a diagnostic.
2538         (verify_types_in_gimple_min_lval): Same.
2539         (verify_types_in_gimple_reference): Same.
2540         (verify_gimple_call): Same.
2541         (verify_gimple_assign_unary): Same.
2542         (verify_gimple_assign_binary): Same.
2543         (verify_gimple_assign_ternary): Same.
2544         (verify_gimple_assign_single): Same.
2545         (verify_gimple_switch): Same.
2546         (verify_gimple_label): Same.
2547         (verify_gimple_phi): Same.
2548         (verify_gimple_in_seq): Same.
2549         (verify_eh_throw_stmt_node): Same.
2550         (collect_subblocks): Same.
2551         (gimple_verify_flow_info): Same.
2552         (do_warn_unused_result): Same.
2553         * tree-inline.c (expand_call_inline): Same.
2554         * tree-into-ssa.c (update_ssa): Same.
2555         * tree.c (tree_int_cst_elt_check_failed): Same.
2556         (tree_vec_elt_check_failed): Same.
2557         (omp_clause_operand_check_failed): Same.
2558         (verify_type_variant): Same.
2559         (verify_type): Same.
2560         * value-prof.c (verify_histograms): Same.
2561         * varasm.c (assemble_start_function): Same.
2562
2563 2019-05-16  Martin Sebor  <msebor@redhat.com>
2564
2565         * config/i386/i386-expand.c (get_element_number): Quote keywords
2566         and other internal names in diagnostics.  Adjust other diagnostic
2567         formatting issues noted by -Wformat-diag.
2568         * config/i386/i386-features.c
2569         (ix86_mangle_function_version_assembler_name): Same.
2570         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2571         * config/i386/i386.c (ix86_function_type_abi): Same.
2572         (ix86_function_ms_hook_prologue): Same.
2573         (classify_argument): Same.
2574         (ix86_expand_prologue): Same.
2575         (ix86_md_asm_adjust): Same.
2576         (ix86_memmodel_check): Same.
2577
2578 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2579
2580         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2581         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2582         and fpxx modes.
2583
2584 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2585
2586         PR target/90497
2587         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2588         intrinsics without SSE/SSE2/SSSE3.
2589         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2590         check.
2591         (*mmx_uavgv8qi3): Likewise.
2592
2593 2019-05-17  Richard Biener  <rguenther@suse.de>
2594
2595         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2596         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2597
2598 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2599
2600         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2601         vec_sldw insn pattern.
2602
2603 2019-05-17  Richard Biener  <rguenther@suse.de>
2604
2605         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2606
2607 2019-05-17  Martin Liska  <mliska@suse.cz>
2608
2609         PR driver/90496
2610         * toplev.c (output_stack_usage): With LTO and sanitizer it
2611         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2612         has no file location.
2613
2614 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2615
2616         PR c++/90484
2617         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2618         sz0 is equal to sz1, instead return false in that case.
2619
2620         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2621         has non-constant expression, force sctx.lane and use two
2622         argument IFN_GOMP_SIMD_LANE instead of single argument.
2623         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2624         two argument IFN_GOMP_SIMD_LANE without lhs.
2625         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2626         member.
2627         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2628         Define.
2629         (LOOP_REQUIRES_VERSIONING): Or in
2630         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2631         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2632         simd_if_cond.
2633         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2634         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2635         from simd if clause if needed.
2636
2637 2019-05-16  Richard Biener  <rguenther@suse.de>
2638
2639         * tree-affine.c (expr_to_aff_combination): New function split
2640         out from...
2641         (tree_to_aff_combination): ... here.
2642         (aff_combination_expand): Avoid building a GENERIC tree.
2643
2644 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2645
2646         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2647         assemble_start_function and assemble_end_function calls.
2648         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2649         assemble_start_function and assemble_end_function.
2650         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2651         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2652         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2653         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2654         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2655         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2656         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2657         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2658         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2659         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2660         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2661         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2662         Likewise.
2663         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2664         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2665         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2666         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2667         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2668         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2669         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2670         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2671         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2672         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2673         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2674         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2675         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2676         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2677         Likewise.
2678         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2679         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2680         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2681
2682 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2683
2684         * tree-ssa-alias.c (alias_stats): Add
2685         aliasing_component_refs_p_may_alias and
2686         aliasing_component_refs_p_no_alias.
2687         (dump_alias_stats): Print aliasing_component_refs_p stats.
2688         (aliasing_component_refs_p): Update stats.
2689
2690 2019-05-16  Martin Liska  <mliska@suse.cz>
2691
2692         PR lto/90500
2693         * multiple_target.c (expand_target_clones): Do not allow
2694         target_clones being used with a symbol that is an alias.
2695
2696 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2697
2698         PR tree-optimization/90394
2699         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2700         positives rather than ICE for cases where (code2 == NE_EXPR
2701         && code1 == BIT_AND_EXPR).
2702
2703 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2704
2705         PR fortran/90329
2706         * tree-core.h (struct tree_decl_common): Document
2707         decl_nonshareable_flag for PARM_DECLs.
2708         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2709         * calls.c (expand_call): Don't try tail call if caller
2710         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2711         passed on the stack and callee needs to pass any arguments on the
2712         stack.
2713         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2714         else if instead of series of mutually exclusive ifs.  Handle
2715         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2716         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2717
2718         * lto-streamer.h (LTO_major_version): Bump to 9.
2719
2720 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2721
2722         PR tree-optimization/90106
2723         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2724         new parameter as new internal function call, also move it to new
2725         basic block.
2726         (use_internal_fn): Pass internal function call to
2727         shrink_wrap_one_built_in_call_with_conds.
2728
2729 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2730
2731         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2732         max_vf to 1.
2733         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2734         safelen_int and set loop->dont_vectorize.
2735
2736 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2737
2738         PR target/89021
2739         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2740         SSE/SSE2/SSSE3.
2741         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2742         Likewise.
2743         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2744         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2745         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2746         is defined.
2747
2748 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2749
2750         PR target/89021
2751         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2752         define_insn_and_split to support SSE emulation.
2753         (*vec_extractv2sf_0): Likewise.
2754         (*vec_extractv2sf_1): Likewise.
2755         (*vec_extractv2si_0): Likewise.
2756         (*vec_extractv2si_1): Likewise.
2757         (*vec_extractv2si_zext_mem): Likewise.
2758         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2759         (vec_extractv2sf_1 splitter): Likewise.
2760         (vec_extractv2sfsf): Likewise.
2761         (vec_setv2si): Likewise.
2762         (vec_extractv2si_1 splitter): Likewise.
2763         (vec_extractv2sisi): Likewise.
2764         (vec_setv4hi): Likewise.
2765         (vec_extractv4hihi): Likewise.
2766         (vec_setv8qi): Likewise.
2767         (vec_extractv8qiqi): Likewise.
2768         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2769         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2770         (vec_extractv2sisi): Likewise.
2771         (vec_extractv4hihi): Likewise.
2772         (vec_extractv8qiqi): Likewise.
2773         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2774         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2775         (vec_initv2sisi): Likewise.
2776         (vec_initv4hihi): Likewise.
2777         (vec_initv8qiqi): Likewise.
2778         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2779         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2780         (vec_setv4hi): Likewise.
2781         (vec_setv8qi): Likewise.
2782
2783 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2784
2785         PR target/89021
2786         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2787         TARGET_MMX_WITH_SSE.
2788         (MMXMODE:*mov<mode>_internal): Likewise.
2789         (MMXMODE:movmisalign<mode>): Likewise.
2790
2791 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2792
2793         PR target/89021
2794         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2795         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2796         (sse2_cvtpd2pi): Ditto.
2797         (sse2_cvttpd2pi): Ditto.
2798         (*vec_concatv2sf_sse4_1): Ditto.
2799         (*vec_concatv2sf_sse): Ditto.
2800         (*vec_concatv2si_sse4_1): Ditto.
2801         (*vec_concatv2si): Ditto.
2802         (*vec_concatv4si_0): Ditto.
2803         (*vec_concatv2di_0): Ditto.
2804
2805 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2806
2807         PR target/89021
2808         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2809
2810 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2811
2812         PR target/89021
2813         * config/i386/sse.md (ssse3_palignrdi): Changed to
2814         define_insn_and_split to support SSE emulation.
2815
2816 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2817
2818         PR target/89021
2819         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2820
2821 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2822
2823         PR target/89021
2824         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2825         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2826         SSE emulation.
2827
2828 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2829
2830         PR target/89021
2831         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2832         or TARGET_MMX_WITH_SSE.
2833         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2834
2835 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2836
2837         PR target/89021
2838         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2839
2840 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2841
2842         PR target/89021
2843         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2844         Changed to define_insn_and_split to support SSE emulation.
2845
2846 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2847
2848         PR target/89021
2849         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2850         Changed to define_insn_and_split to support SSE emulation.
2851
2852 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2853
2854         PR target/89021
2855         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2856         (*mmx_<emms>): This.
2857         (mmx_<emms>): New expander.
2858
2859 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2860
2861         PR target/89021
2862         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2863         support.
2864         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2865
2866 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2867
2868         PR target/89021
2869         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2870
2871 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2872
2873         PR target/89021
2874         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2875
2876 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2877
2878         PR target/89021
2879         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2880         TARGET_MMX_WITH_SSE.
2881         (*mmx_uavgv4hi3): Add SSE emulation.
2882
2883 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2884
2885         PR target/89021
2886         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2887         and TARGET_MMX_WITH_SSE.
2888         (*mmx_uavgv8qi3): Add SSE emulation.
2889
2890 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2891
2892         PR target/89021
2893         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2894         maskmovdqu for __MMX_WITH_SSE__.
2895
2896 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2897
2898         PR target/89021
2899         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2900         TARGET_MMX and TARGET_MMX_WITH_SSE.
2901         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2902
2903 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2904
2905         PR target/89021
2906         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2907         define_insn_and_split to support SSE emulation.
2908
2909 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2910
2911         PR target/89021
2912         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2913         and TARGET_MMX_WITH_SSE.
2914         (mmx_<code>v8qi3): Likewise.
2915         (smaxmin:<code>v4hi3): New.
2916         (umaxmin:<code>v8qi3): Likewise.
2917         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2918         (umaxmin:*mmx_<code>v8qi3): Likewise.
2919
2920 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2921
2922         PR target/89021
2923         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2924         TARGET_MMX_WITH_SSE.
2925         (*mmx_pinsrw): Add SSE emulation.
2926
2927 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2928
2929         PR target/89021
2930         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2931
2932 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2933
2934         PR target/89021
2935         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2936         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2937         SSE emulation.
2938
2939 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2940
2941         PR target/89021
2942         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2943         (sse_cvttps2pi): Likewise.
2944
2945 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2946
2947         PR target/89021
2948         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2949         TARGET_MMX_WITH_SSE.
2950         (mmx_pshufw_1): Add SSE emulation.
2951         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2952         TARGET_MMX_WITH_SSE to support SSE emulation.
2953
2954 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2955
2956         PR target/89021
2957         * config/i386/constraints.md (Yw): New constraint.
2958         * config/i386/mmx.md (*vec_dupv2si): Changed to
2959         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2960         support SSE emulation.
2961
2962 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2963
2964         PR target/89021
2965         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2966         TARGET_MMX_WITH_SSE.
2967         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2968         support.
2969         (mmx_gt<mode>3): Likewise.
2970
2971 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2972
2973         PR target/89021
2974         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2975         TARGET_MMX_WITH_SSE.  Add SSE support.
2976
2977 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2978
2979         PR target/89021
2980         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2981         TARGET_MMX_WITH_SSE.
2982         (any_logic:<code><mode>3): New.
2983         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2984         Add SSE support.
2985
2986 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2987
2988         PR target/89021
2989         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2990         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2991         (mmx_<shift_insn><mode>3): Likewise.
2992         (ashr<mode>3): New.
2993         (<shift_insn><mode>3): Likewise.
2994
2995 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2996
2997         PR target/89021
2998         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2999         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3000
3001 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3002
3003         PR target/89021
3004         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3005         TARGET_MMX_WITH_SSE.
3006         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3007         SSE support.
3008
3009 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3010
3011         PR target/89021
3012         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3013         TARGET_MMX_WITH_SSE.
3014         (mulv4hi3): New.
3015         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3016         support.
3017
3018 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3019
3020         PR target/89021
3021         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3022         (plusminus:mmx_<plusminus_insn><mode>3): Check
3023         TARGET_MMX_WITH_SSE.
3024         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3025         (<plusminus_insn><mode>3): New.
3026         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3027         (*mmx_<plusminus_insn><mode>3): Likewise.
3028
3029 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3030
3031         PR target/89021
3032         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3033         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3034         prototype.
3035         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3036         define_insn_and_split to support SSE emulation.
3037         (mmx_punpcklbw): Likewise.
3038         (mmx_punpckhwd): Likewise.
3039         (mmx_punpcklwd): Likewise.
3040         (mmx_punpckhdq): Likewise.
3041         (mmx_punpckldq): Likewise.
3042
3043 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3044             Uros Bizjak  <ubizjak@gmail.com>
3045
3046         PR target/89021
3047         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3048         New function.
3049         (ix86_split_mmx_pack): Likewise.
3050         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3051         New prototype.
3052         (ix86_split_mmx_pack): Likewise.
3053         * config/i386/i386.md (mmx_isa): New.
3054         (enabled): Also check mmx_isa.
3055         * config/i386/mmx.md (any_s_truncate): New code iterator.
3056         (s_trunsuffix): New code attr.
3057         (mmx_packsswb): Removed.
3058         (mmx_packssdw): Likewise.
3059         (mmx_packuswb): Likewise.
3060         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3061         MMX packsswb/packuswb with SSE2.
3062         (mmx_packssdw): Likewise.
3063         * config/i386/predicates.md (register_mmxmem_operand): New.
3064
3065 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3066
3067         PR target/89021
3068         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3069         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3070         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3071         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3072         (ix86_vector_mode_supported_p): Likewise.
3073         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3074
3075 2019-05-15  Martin Liska  <mliska@suse.cz>
3076
3077         PR middle-end/90478
3078         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3079         Check for overflow.
3080
3081 2019-05-15  Richard Biener  <rguenther@suse.de>
3082
3083         * tree-into-ssa.c (pass_build_ssa::execute): Run
3084         update_address_taken before going into SSA.
3085
3086 2019-05-15  Richard Biener  <rguenther@suse.de>
3087
3088         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3089         as __BIT_FIELD_REF with type with -gimple.
3090
3091 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3092
3093         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3094         semantically equivalent branches (left over after prior refactorings).
3095
3096 2019-05-15  Richard Biener  <rguenther@suse.de>
3097
3098         PR tree-optimization/88828
3099         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3100         bogus check.
3101
3102 2019-05-14  Richard Biener  <rguenther@suse.de>
3103
3104         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3105         as __VIEW_CONVERT with -gimple.
3106
3107 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3108
3109         PR target/82920
3110         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3111         Darwin.
3112
3113 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3114
3115         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3116         define_split to become a define_insn_and_split.
3117
3118 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3119
3120         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3121         arguments.
3122         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3123         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3124         (sibcall_epilogue): Adjust.
3125         (epilogue): Adjust.
3126
3127 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3128
3129         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3130         to unsupported ones.
3131         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3132         * config.host: Likewise.
3133         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3134         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3135         __svr4__]: Remove "brand" fallback.
3136         [!KSTAT_DATA_STRING]: Remove.
3137         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3138         to *-*-solaris2*.
3139         (comdat_group): Likewise.
3140         (set_have_as_tls): Likewise.
3141         (gcc_cv_target_dl_iterate_phdr): Likewise.
3142         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3143         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3144         * configure: Regenerate.
3145         * doc/install.texi: Simplify Solaris target triplets.
3146         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3147         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3148         Remove Solaris 10 references.
3149         Remove obsolete Solaris bug reference.
3150         (Specific, sparc-sun-solaris2.10): Remove.
3151
3152 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3153
3154         * config/i386/i386.md (any_div): New code iterator.
3155         (paired_mod): New code attribute.
3156         (sgnprefix): Handle DIV and UDIV RTXes.
3157         (u): Ditto.
3158         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3159         and udivmod<mode>4 patterns using any_div code iterator.
3160         (divmod splitters): Macroize splitters using any_div code iterator.
3161         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3162         (*udivmodsi4_pow2_zext_2): Ditto.
3163         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3164         and *udivmod<mode>4_noext patterns using any_div code iterator.
3165         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3166         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3167         patterns using any_div code iterator.
3168         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3169         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3170         patterns using any_div code iterator.
3171         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3172         udivmodhiqi3 patterns using any_extend code iterator.
3173
3174 2019-05-14  Richard Biener  <rguenther@suse.de>
3175             H.J. Lu  <hongjiu.lu@intel.com>
3176
3177         PR tree-optimization/88828
3178         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3179         permuting in a single non-constant element not extracted
3180         from a vector.
3181
3182 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3183
3184         * internal-fn.def (SIGNBIT): New.
3185         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3186         defined.
3187         (signbitv4sf2): Likewise.
3188
3189 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3190
3191         PR target/90357
3192         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3193         next insn when the SRC reg is dead.
3194
3195 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3196
3197         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3198         (alloc_cand_and_find_basis): Ditto.
3199         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3200         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3201         (create_add_imm_cand, slsr_process_cast): Ditto.
3202         (slsr_process_copy, replace_mult_candidate): Ditto.
3203         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3204         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3205         (pass_strength_reduction::execute): Init the first NULL element.
3206
3207 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3208
3209         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3210         (run_attempt): Reformat line break.
3211
3212 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3213
3214         PR target/90418
3215         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3216         data registers in sibcall epilogues.
3217         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3218
3219 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3220
3221         PR target/89221
3222         * configure.ac (--enable-frame-pointer):
3223         Disable by default for cygwin and mingw.
3224         * configure: Regenerate.
3225
3226 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3227
3228         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3229         piece of code.
3230         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3231         (gen_member_die): Move abstract origin check earlier.  Only VARs
3232         can be static_inline_p.  Simplify splicing control flow.
3233
3234 2019-05-13  Richard Biener  <rguenther@suse.de>
3235
3236         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3237         VIEW_CONVERT_EXPR.
3238         (vect_build_slp_tree_1): Likewise.
3239
3240 2019-05-13  Richard Biener  <rguenther@suse.de>
3241
3242         PR tree-optimization/90402
3243         * tree-if-conv.c (tree_if_conversion): Value number only
3244         the loop body by making the latch an exit of the region
3245         as well.
3246         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3247         processing PHIs.
3248         (do_rpo_vn): Deal with multiple edges into the entry block
3249         that are not backedges inside the region by skipping PHIs
3250         of the entry block.
3251
3252 2019-05-13  Richard Biener  <rguenther@suse.de>
3253
3254         PR tree-optimization/90316
3255         * tree-ssa-pre.c (insert_aux): Fold into ...
3256         (insert): ... this function.  Use a RPO walk to reduce the
3257         number of required iterations.
3258
3259 2019-05-13  Martin Liska  <mliska@suse.cz>
3260
3261         PR tree-optimization/90416
3262         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3263         string instead of passing the second part as va_arg argument.
3264
3265 2019-05-13  Martin Liska  <mliska@suse.cz>
3266
3267         PR gcov-profile/90380
3268         * gcov.c (handle_cycle): Do not support zero cycle count,
3269         it should not be possible.
3270         (path_contains_zero_cycle_arc): New function.
3271         (circuit): Ignore zero cycle arc counts.
3272
3273 2019-05-13  Martin Liska  <mliska@suse.cz>
3274
3275         PR gcov-profile/90380
3276         * gcov.c (enum loop_type): Remove the enum and
3277         the operator.
3278         (handle_cycle): Assert that we should not reach
3279         a negative count.
3280         (circuit): Use loop_found instead of a tri-state loop_type.
3281         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3282         happen.
3283
3284 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3285
3286         PR target/82920
3287         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3288         (ix86_output_indirect_branch_via_reg): Use output mechanism
3289         accounting for __USER_LABEL_PREFIX__.
3290         (ix86_output_indirect_branch_via_push): Likewise.
3291         (ix86_output_function_return): Likewise.
3292         (ix86_output_indirect_function_return): Likewise.
3293
3294 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3295
3296         * doc/md.texi: Document use of code attributes in rtx patterns.
3297         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3298         * read-rtl.c (find_code): Split out search loops into...
3299         (maybe_find_code): ...this new function.
3300         (check_code_iterator): Make the error message more informative.
3301         (check_code_attribute): New function.
3302         (rtx_reader::rtx_alloc_for_name): Likewise.
3303         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3304         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3305         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3306         <max_opp> directly as an rtx code instead of via a match_operator.
3307         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3308         (<su>abd<mode>_3): Update accordingly.
3309
3310 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3311
3312         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3313         is given, print the state of the EH "save world" computation for
3314         Darwin.
3315
3316 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR c++/59813
3319         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3320         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3321
3322 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3323
3324         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3325         Use pinsrd for TARGET_SSE4_1.
3326         * config/i386/sse.md (movdi_to_sse): Ditto.
3327
3328 2019-05-10  Richard Biener  <rguenther@suse.de>
3329
3330         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3331         (do_rpo_vn): Initialize next_value_id.
3332
3333 2019-05-10  Martin Liska  <mliska@suse.cz>
3334
3335         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3336         Fix plural form.
3337
3338 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3339
3340         PR tree-optimization/90385
3341         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3342         arguments of the exit phis.
3343
3344         PR c++/90383
3345         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3346         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3347         id->do_not_fold.
3348         (copy_tree_body_r): Likewise.
3349         (copy_fn): Set id.do_not_fold to true.
3350
3351 2019-05-10  Martin Liska  <mliska@suse.cz>
3352
3353         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3354         Reapply changes from r269790.
3355
3356 2019-05-10  Martin Liska  <mliska@suse.cz>
3357
3358         PR middle-end/90340
3359         * doc/invoke.texi: New params.
3360         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3361         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3362         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3363         Use it.
3364         * tree-switch-conversion.h (struct jump_table_cluster):
3365         Likewise.
3366
3367 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3368
3369         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3370
3371 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3372
3373         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3374
3375 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3376
3377         PR rtl-optimization/88879
3378         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3379
3380 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3381
3382         PR target/90405
3383         * config/arm/arm.c (callee_saved_reg_p): Move before
3384         thumb_find_work_register.
3385         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3386         thumb_find_work_register.  Only call df_get_live_out once.
3387         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3388         (thumb_find_work_register): Use
3389         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3390         algorithms to locate a spare call clobbered reg.
3391
3392 2019-05-09  Martin Liska  <mliska@suse.cz>
3393
3394         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3395         and MAX_EXPR in GIMPLE FE format.
3396
3397 2019-05-09  Martin Liska  <mliska@suse.cz>
3398
3399         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3400         * gimple-pretty-print.c (dump_gimple_bb_header):
3401         Dump BB count.
3402         (pp_cfg_jump): Dump edge probability.
3403         * profile-count.c (profile_quality_as_string): Simplify
3404         with a static array.
3405         (parse_profile_quality): New function.
3406         (profile_count::dump): Simplify with a static array.
3407         (profile_count::from_gcov_type): Add new argument.
3408         * profile-count.h (parse_profile_quality): Likewise.
3409         * predict.h (set_hot_bb_threshold): New.
3410         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3411         New param.
3412         * predict.c (get_hot_bb_threshold): Set from the new param.
3413         (set_hot_bb_threshold): New.
3414
3415 2019-05-09  Richard Biener  <rguenther@suse.de>
3416
3417         PR tree-optimization/90395
3418         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3419         rewrite vector stores that throw internally.
3420
3421 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3422
3423         * cif-code.def (CHKP): Remove.
3424
3425         PR target/89221
3426         * configure.ac (--enable-frame-pointer): Disable by default for
3427         GNU systems.
3428         * configure: Regenerate.
3429
3430 2019-05-09  Alan Modra  <amodra@gmail.com>
3431
3432         PR target/89271
3433         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3434         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3435         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3436         cost for general <-> vsx when direct moves are available.
3437         Cost union classes at minimal cost for any reg in the class.
3438         Correct calculation for moves between vsx, float, and altivec.
3439         Don't return a low cost for moves between special regs.  Don't
3440         use hard coded register numbers.
3441         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3442         (rs6000_ira_change_pseudo_allocno_class): New function.
3443         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3444         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3445         alternatives.
3446         (movsi_internal1): Don't disparage vector alternatives.
3447         (mov<mode>_internal): Likewise, excepting alternative that
3448         will be split.
3449         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3450         we <- b alternative.
3451
3452 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3453
3454         PR c++/59813
3455         PR tree-optimization/89060
3456         * tree-ssa-live.h (live_vars_map): New typedef.
3457         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3458         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3459         (struct compute_live_vars_data): New type.
3460         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3461         live_vars_at_stmt, destroy_live_vars): New functions.
3462         * tree-tailcall.c: Include tree-ssa-live.h.
3463         (live_vars, live_vars_vec): New global variables.
3464         (find_tail_calls): Perform variable life analysis before punting.
3465         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3466         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3467         member.
3468         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3469         Perform variable life analysis to select variables that really need
3470         clobbers added.
3471         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3472         instead set id->eh_landing_pad_dest and assert it is the same.
3473         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3474
3475 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3476             Richard Earnshaw  <rearnsha@arm.com>
3477
3478         PR target/88167
3479         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3480         function.
3481         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3482         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3483         register if both the epilogue and prologue can use call-clobbered
3484         regs.
3485         (thumb1_unexpanded_epilogue): Use
3486         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3487         picking temporaries for restoring high regs to match that of the
3488         prologue where possible.
3489         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3490         the list of work registers.  Detect if the return address is still live
3491         at the end of the prologue and avoid using it for a work register if so.
3492         If the return address is not live, add LR to the list of pushable regs
3493         after the first pass.
3494
3495 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3496
3497         PR tree-optimization/90078
3498         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3499         (INFTY): Increase the value for infinite cost.
3500         (struct comp_cost): Promote type of members to int64_t.
3501         (infinite_cost): Don't set complexity in initialization.
3502         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3503         overflows to infinite_cost.
3504         (adjust_setup_cost): Promote type of parameter and cost computation
3505         to int64_t.
3506         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3507         int64_t.
3508         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3509         cost computation to int64_t.
3510         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3511         int64_t's format specifier in dump.
3512
3513 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3514
3515         PR tree-optimization/90240
3516         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3517         with respect to scaling factor pre-computed for each basic block.
3518         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3519         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3520         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3521         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3522         live range for array of loop's basic blocks.  Cleanup aux field of
3523         loop's basic blocks.
3524
3525 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3526
3527         PR tree-optimization/90356
3528         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3529
3530 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3531
3532         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3533         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3534         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3535         (ix86_handle_option): Handle -mavx512bf16.
3536         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3537         to extra_headers.
3538         * config/i386/avx512bf16vlintrin.h: New.
3539         * config/i386/avx512bf16intrin.h: New.
3540         * config/i386/cpuid.h (bit_AVX512BF16): New.
3541         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3542         * config/i386/i386-builtin-types.def: Add new types.
3543         * config/i386/i386-builtin.def: Add new builtins.
3544         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3545         __AVX512BF16__.
3546         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3547         (ix86_option_override_internal): Handle BF16.
3548         (ix86_valid_target_attribute_inner_p): Ditto.
3549         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3550         * config/i386/i386-builtin.c (enum processor_features): Add
3551         F_AVX512BF16.
3552         (static const _isa_names_table isa_names_table): Ditto.
3553         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3554         (PTA_AVX512BF16): Ditto.
3555         * config/i386/i386.opt: Add -mavx512bf16.
3556         * config/i386/immintrin.h: Include avx512bf16intrin.h
3557         and avx512bf16vlintrin.h.
3558         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3559         avx512f_cvtneps2bf16_<mode><mask_name>,
3560         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3561         * config/i386/subst.md (mask_half): Add new subst.
3562         * doc/invoke.texi: Document -mavx512bf16.
3563
3564 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3565
3566         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3567         Delete declaration.
3568         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3569         (rs6000_debug_legitimize_reload_address): Delete.
3570         (rs6000_legitimize_reload_address_ptr): Delete.
3571         (rs6000_option_override_internal): Adjust.
3572         (mem_operand_gpr): Adjust comment.
3573         (legitimate_lo_sum_address_p): Ditto.
3574         (rs6000_legitimize_reload_address): Delete.
3575         (rs6000_debug_legitimize_reload_address): Delete.
3576         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3577
3578 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3579
3580         PR target/89765
3581         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3582         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3583         to compute vector element selector for both constant and variable
3584         operands.
3585
3586 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3587
3588         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3589         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3590         ashrdi3_cvt using SWI48 mode iterator.
3591
3592 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3593
3594         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3595         (aarch64_<su>abd<mode>_3): Likewise.
3596         (*aarch64_<su>abd<mode>_3): New define_insn.
3597         (<sur>sad<vsi2qi>): New define_expand.
3598         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3599         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3600         (build_vect_cond_expr): Likewise.
3601
3602 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3603
3604         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3605         clobbers outside of accessible_reg_set.
3606         * config/i386/i386.c (ix86_conditional_register_usage):
3607         Disable register sets by clearing corresponding bits in
3608         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3609         call_used_regs and don't clear corresponding reg_names array members.
3610
3611 2019-05-07  Richard Biener  <rguenther@suse.de>
3612
3613         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3614         not specified still compute a comp_vectype for invariant
3615         compares.
3616
3617 2019-05-07  Richard Biener  <rguenther@suse.de>
3618
3619         PR tree-optimization/90316
3620         * tree-ssa-pre.c (translate_vuse_through_block): When
3621         same_valid is NULL do not bother to search for a virtual
3622         PHI continuation.
3623         (phi_translate_1): When operands changed we cannot keep
3624         the same value-number so do not bother to ask whether
3625         that's possible from translate_vuse_through_block.
3626
3627 2019-05-07  Martin Liska  <mliska@suse.cz>
3628
3629         * bitmap.c (bitmap_register): Come up with
3630         alloc_descriptor_max_uid and assign it for
3631         a new bitmap.
3632         (register_overhead): Use get_descriptor as
3633         a descriptor.
3634         (release_overhead): New.
3635         (bitmap_elem_to_freelist): Call it.
3636         (bitmap_elt_clear_from): Likewise.
3637         (bitmap_obstack_free): Likewise.
3638         (bitmap_move): Sensitively release memory.
3639         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3640         (bitmap_initialize): Initialize alloc_descriptor to zero.
3641         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3642
3643 2019-05-07  Richard Biener  <rguenther@suse.de>
3644
3645         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3646         we build a SLP node.  Remove max_size and limiting.
3647         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3648
3649 2019-05-07  Richard Biener  <rguenther@suse.de>
3650
3651         PR tree-optimization/90316
3652         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3653         limit by reference.
3654         (walk_non_aliased_vuses): Take walking limit argument.
3655         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3656         walking if it is reached instead of just counting.
3657         (get_continuation_for_phi): Likewise.
3658         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3659         limiting to the callback.
3660         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3661         (vn_reference_lookup_3): Likewise.
3662         (vn_reference_lookup_pieces): Likewise.
3663         (vn_reference_lookup): Likewise.
3664         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3665         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3666         (avail_exprs_stack::lookup_avail_expr): Likewise.
3667
3668 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3669
3670         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3671         for comparaible types in the second direction even if first one
3672         hits incomparable type.
3673
3674 2019-05-07  Richard Biener  <rguenther@suse.de>
3675
3676         PR lto/90369
3677         * lto-wrapper.c (debug_objcopy): Use the original filename
3678         including archive offset for the filename used for -save-temps.
3679
3680 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3681
3682         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3683         detection.
3684
3685 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3686             Hongtao Liu  <hongtao.liu@intel.com>
3687
3688         PR target/89750
3689         PR target/86444
3690         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3691         Modified, original implementation isn't correct.
3692
3693 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3694
3695         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3696         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3697         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3698         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3699         (FRAME_POINTER_REGNUM): Change numbering.
3700         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3701         (alt_reg_names): Adjust.
3702         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3703         fixed.
3704         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3705         (DWARF_FRAME_REGISTERS): Delete.
3706         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3707         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3708         Adjust.
3709         (REG_ALLOC_ORDER): Adjust.
3710         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3711         (REG_CLASS_CONTENTS): Adjust.
3712         (RETURN_ADDR_RTX): Change comment.
3713         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3714         instead of 67.
3715         (REGISTER_NAMES): Adjust.
3716         (ADDITIONAL_REGISTER_NAMES): Adjust.
3717         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3718
3719 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3720
3721         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3722         Delete.
3723         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3724         (DWARF_FRAME_REGISTERS): Adjust.
3725         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3726         Adjust.
3727         (REG_ALLOC_ORDER): Adjust.
3728         (enum reg_class): Delete SPR_REGS.
3729         (REG_CLASS_NAMES): Delete SPR_REGS.
3730         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3731         (REGISTER_NAMES): Adjust.
3732         (ADDITIONAL_REGISTER_NAMES): Adjust.
3733         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3734         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3735         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3736         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3737         (htm_spr_regno): Delete.
3738         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3739         argument.
3740         (rs6000_dbx_register_number): Adjust.
3741
3742 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3743
3744         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3745
3746 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3747
3748         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3749         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3750
3751 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3752
3753         PR tree-optimization/88709
3754         PR tree-optimization/90271
3755         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3756         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3757         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3758         variable.
3759         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3760         of the store merging group is larger than
3761         PARAM_STORE_MERGING_MAX_SIZE parameter.
3762         (split_group): Add bzero_first argument.  If set, always emit first
3763         the first store which must be = {} of the whole area and then for the
3764         rest of the stores consider all zero bytes as paddings.
3765         (imm_store_chain_info::output_merged_store): Check if first store
3766         is = {} of the whole area and if yes, determine which setting of
3767         bzero_first for split_group gives smaller number of stores.  Adjust
3768         split_group callers.
3769         (lhs_valid_for_store_merging_p): Allow decls.
3770         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3771         no elts.
3772         (pass_store_merging::process_store): Likewise.
3773
3774 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3775
3776         PR target/89424
3777         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3778         handling of V1TImode.
3779
3780 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3781
3782         PR target/89221
3783         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3784         and enable_frame_pointer ...
3785         * configure.ac: ... here.  Update help strings for
3786         --enable-frame-pointer.
3787         * configure: Regenerate.
3788         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3789         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3790         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3791         (USE_X86_64_FRAME_POINTER): Ditto.
3792
3793 2019-05-06  Martin Liska  <mliska@suse.cz>
3794
3795         * config.gcc: Append to target_gtfiles and fix indentation.
3796
3797 2019-05-06  Richard Biener  <rguenther@suse.de>
3798
3799         PR tree-optimization/90358
3800         * tree-vect-stmts.c (get_group_load_store_type): Properly
3801         detect unused upper half of load.
3802         (vectorizable_load): Likewise.
3803
3804 2019-05-06  Richard Biener  <rguenther@suse.de>
3805
3806         PR tree-optimization/88828
3807         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3808         (simplify_vector_constructor): ...here.  Handle constants in
3809         the constructor.
3810
3811 2019-05-06  Richard Biener  <rguenther@suse.de>
3812
3813         PR tree-optimization/90328
3814         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3815         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3816         is valid in the loop nest before using it.
3817         (initialize_data_dependence_relation): Adjust.
3818         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3819         loop as loop-nest to dr_may_alias_p.
3820
3821 2019-05-06  Richard Biener  <rguenther@suse.de>
3822
3823         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3824
3825 2019-05-06  Richard Biener  <rguenther@suse.de>
3826
3827         PR tree-optimization/90316
3828         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3829         compute target on demand.
3830         (get_continuation_for_phi): Remove code walking stmts to
3831         get to a target virtual operand which could end up being
3832         quadratic.
3833
3834 2019-05-06  Martin Liska  <mliska@suse.cz>
3835
3836         PR sanitizer/90312
3837         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3838         when -mabi is selected to a non-default version.
3839
3840 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3841             Martin Liska  <mliska@suse.cz>
3842
3843         * Makefile.in: Add lto-dump.texi.
3844         * cgraph.h: Add new functions get_visibility_string and
3845         get_symtab_type_string.
3846         * doc/gcc.texi: Include lto-dump section.
3847         * doc/lto-dump.texi: New file.
3848         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3849         (parse_dump_option): Factor out this function.
3850         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3851         (parse_dump_option): Export the function.
3852         * symtab.c (symtab_node::get_visibility_string): New function.
3853         (symtab_node::get_symtab_type_string): Likewise.
3854
3855 2019-05-06  Martin Liska  <mliska@suse.cz>
3856
3857         * config/i386/i386-builtins.c: New file.
3858         * config/i386/i386-builtins.h: New file.
3859         * config/i386/i386-expand.c: New file.
3860         * config/i386/i386-expand.h: New file.
3861         * config/i386/i386-features.c: New file.
3862         * config/i386/i386-features.h: New file.
3863         * config/i386/i386-options.c: New file.
3864         * config/i386/i386-options.h: New file.
3865         * config.gcc: Add new files into extra_objs and
3866         target_gtfiles.
3867         * config/i386/i386.c: Split content of the file
3868         into newly introduced files.
3869         * config/i386/i386.h: Declare common variables
3870         and macros.
3871         * config/i386/t-i386: Define dependencies for new files.
3872
3873 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3874
3875         PR target/89400
3876         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3877         Restrict 'all' variant to 32-bit configurations.
3878         (unaligned_loadhiu): Likewise.
3879         (unaligned_storehi): Likewise.
3880         (unaligned_storesi): Likewise.
3881         (unaligned_loadhis): Disable when compiling for thumb1.
3882
3883 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3884
3885         PR tree-optimization/90269
3886         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3887         Ignore clobbers.
3888
3889 2019-05-03  Martin Liska  <mliska@suse.cz>
3890
3891         * hash-map.h: Add is_empty function.
3892         * hash-set.h: Likewise.
3893         * hash-table.h: Likewise.
3894         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3895         elements () == 0 (and similar usages).
3896         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3897         * gimplify.c (gimplify_bind_expr): Likewise.
3898         (gimplify_switch_expr): Likewise.
3899         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3900         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3901         * postreload-gcse.c (dump_hash_table): Likewise.
3902         (gcse_after_reload_main): Likewise.
3903         * predict.c (combine_predictions_for_bb): Likewise.
3904         * tree-parloops.c (reduction_phi): Likewise.
3905         (separate_decls_in_region): Likewise.
3906         (transform_to_exit_first_loop): Likewise.
3907         (gen_parallel_loop): Likewise.
3908         (gather_scalar_reductions): Likewise.
3909         (try_create_reduction_list): Likewise.
3910         * var-tracking.c (dump_vars): Likewise.
3911         (emit_notes_for_changes): Likewise.
3912         (vt_emit_notes): Likewise.
3913
3914 2019-05-03  Richard Biener  <rguenther@suse.de>
3915
3916         PR tree-optimization/90316
3917         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3918         before running VN.
3919
3920 2019-05-03  Richard Biener  <rguenther@suse.de>
3921
3922         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3923         peeling for gaps by loading only lower halves of vectors
3924         if possible.
3925         (vectorizable_load): Likewise.
3926
3927 2019-05-03  Richard Biener  <rguenther@suse.de>
3928
3929         PR middle-end/89518
3930         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3931
3932 2019-05-03  Richard Biener  <rguenther@suse.de>
3933
3934         PR middle-end/87314
3935         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3936         Handle STRING_CST vs DECL or STRING_CST.
3937
3938 2019-05-03  Richard Biener  <rguenther@suse.de>
3939
3940         PR tree-optimization/88963
3941         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3942         vector loads feeding only BIT_FIELD_REFs to component
3943         loads.  Rewrite stores fed by CONSTRUCTORs to component
3944         stores.
3945
3946 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3947
3948         * opts.h (finish_options): Remove lang_mask argument.
3949         (print_help, help_option_argument): Declare.
3950         * opts.c (print_help): Remove forward declaration, no longer static.
3951         (finish_options): Remove lang_mask argument, don't call print_help
3952         here.
3953         * opts-global.c (decode_options): Adjust finish_option caller, call
3954         print_help here.
3955
3956         PR tree-optimization/90303
3957         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3958         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3959
3960 2019-05-03  Richard Biener  <rguenther@suse.de>
3961
3962         PR tree-optimization/89698
3963         * gimple-fold.c (canonicalize_constructor_val): Early out
3964         for constants, handle unfolded INTEGER_CSTs as they appear in
3965         C++ virtual table ctors.
3966
3967 2019-05-03  Richard Biener  <rguenther@suse.de>
3968
3969         * passes.c (execute_function_todo): Remove dead code.
3970
3971 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3972
3973         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3974         the internal register number, for any "real" register.
3975
3976 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3977
3978         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3979         correct numbers for TFHAR, TFIAR, TEXASR.
3980
3981 2019-05-02  Richard Biener  <rguenther@suse.de>
3982
3983         PR tree-optimization/89653
3984         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3985         update-address-taken before the pass.
3986         * passes.def (pass_tree_loop_init): Put comment before it.
3987
3988 2019-05-02  Richard Biener  <rguenther@suse.de>
3989
3990         PR tree-optimization/89509
3991         * tree-ssa-structalias.c (compute_dependence_clique): Look
3992         at the first subvar when determining whether it is restrict.
3993
3994 2019-05-02  Richard Biener  <rguenther@suse.de>
3995
3996         PR tree-optimization/90273
3997         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3998         useless debug stmts.
3999
4000 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4001
4002         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4003         ACLE branch.
4004         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4005         SVE ACLE branch.
4006         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4007         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4008         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4009         (vectorizable_reduction): Use the functions above to vectorize in a
4010         fully masked loop codes that don't have a conditional internal
4011         function.
4012
4013 2019-05-02  Martin Liska  <mliska@suse.cz>
4014
4015         * cgraphclones.c: Call valid_attribute_p with 1 for
4016         target_clone.
4017         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4018         it's for target attribute.
4019         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4020         Add new boolean argument.
4021         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4022         Likewise.
4023         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4024         to ix86_valid_target_attribute_inner_p.
4025         (ix86_valid_target_attribute_p): Pass flags argument to
4026         ix86_valid_target_attribute_inner_p.
4027         (get_builtin_code_for_version): Use 0 as it's target attribute.
4028
4029 2019-05-02  Martin Liska  <mliska@suse.cz>
4030
4031         * gcc.c (process_command): Add dummy file only
4032         if n_infiles == 0.
4033         * opts-global.c (decode_options): Pass lang_mask.
4034         * opts.c (print_help): New function.
4035         (finish_options): Print --help if help_option_argument
4036         is set.
4037         (common_handle_option): Factor out content of OPT__help_
4038         into print_help.
4039         * opts.h (finish_options): Add new argument.
4040
4041 2019-05-02  Martin Liska  <mliska@suse.cz>
4042
4043         PR target/88809
4044         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4045         With -minline-all-stringops use inline expansion using 4B loop.
4046         * doc/invoke.texi: Document the change of
4047         -minline-all-stringops.
4048
4049 2019-05-01  Jeff Law  <law@redhat.com>
4050
4051         PR tree-optimization/88797
4052         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4053         PHI feeds a conditional on the RHS of an assignment.
4054
4055 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4056             Jim Wilson  <jimw@sifive.com>
4057
4058         * config/riscv/constraints.md (L): New.
4059         * config/riscv/predicates.md (lui_operand): New.
4060         (sfb_alu_operand): New.
4061         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4062         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4063         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4064         * config/riscv/risc.md (type): Add sfb_alu.
4065         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4066         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4067         (branch_zero<mode>): Delete.
4068         (mov<mode>cc): New.
4069         (mov<GPR:mode><X:mode>cc): Likewise.
4070         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4071
4072 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4073
4074         * tree.h (MARK_TS_EXP): New.
4075
4076 2019-04-30  Martin Liska  <mliska@suse.cz>
4077
4078         * opts.c (enable_warning_as_error): Provide hints
4079         for unknown options.
4080
4081 2019-04-30  Martin Liska  <mliska@suse.cz>
4082
4083         PR debug/90288
4084         * doc/invoke.texi: Add missing dash for gas-locview-support
4085         and gno-as-locview-support.
4086
4087 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4088
4089         PR target/89093
4090         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4091         whitespace at the start of target attribute string.
4092
4093 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4094
4095         PR target/86538
4096         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4097         Define __ARM_FEATURE_ATOMICS.
4098
4099 2019-04-30  Martin Liska  <mliska@suse.cz>
4100
4101         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4102         into built_in_function enum. Remove code for endp == 2 and
4103         use BUILT_IN_* constants.
4104         (gimple_fold_builtin): Call the function with fcode.
4105
4106 2019-04-30  Martin Liska  <mliska@suse.cz>
4107
4108         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4109         DECL_FUNCTION_CODE into ix86_builtins enum before
4110         the switch statement.
4111
4112 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4113
4114         PR tree-optimization/89475
4115         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4116         calls.
4117
4118 2019-04-30  Martin Liska  <mliska@suse.cz>
4119
4120         PR translation/90274
4121         * opts.c (print_filtered_help): Wrap string in _(...).
4122
4123 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4124
4125         PR tree-optimization/90240
4126         Revert:
4127         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4128
4129         PR tree-optimization/90078
4130         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4131         checks for infinite_cost overflow.
4132
4133 2019-04-29  Jeff Law  <law@redhat.com>
4134
4135         * passes.def: Move -Wrestrict pass after copy propagation.
4136
4137 2019-04-29  Maya Rashish  <coypu@sdf.org>
4138
4139         * config.gcc (default_gnu_indirect_function): Default to yes
4140         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4141         sparc*-*-netbsd*, x86_64-*-netbsd*.
4142
4143 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4144
4145         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4146         where cond2 is NE_EXPR.
4147         (is_value_included_in): Update comment.
4148
4149 2019-04-29  Richard Biener  <rguenther@suse.de>
4150
4151         PR tree-optimization/90278
4152         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4153         EH on comparison simplification.
4154
4155 2019-04-29  Jason Merrill  <jason@redhat.com>
4156
4157         PR c++/82081 - tail call optimization breaks noexcept
4158         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4159         nothrow function to a might-throw function into a tail call.
4160
4161 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4162
4163         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4164         (DDR_INNER_LOOP): Likewise.
4165         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4166         (initialize_data_dependence_relation): Likewise.
4167         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4168
4169 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4170
4171         PR rtl-optimization/90257
4172         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4173         return value.
4174
4175         Revert the revert:
4176         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4177
4178         PR target/90178
4179         Revert:
4180         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4181
4182         Revert the revert:
4183         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4184
4185         Revert:
4186         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4187
4188         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4189
4190 2019-04-29  Richard Biener  <rguenther@suse.de>
4191
4192         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4193         rhs issue a reset.
4194
4195 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4196
4197         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4198         varasm.h, and netbsd-protos.h.
4199
4200 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4201
4202         PR target/89261
4203         * config/i386/i386-protos.h (ix86_data_alignment): Change
4204         the second argument type to unsigned int.
4205         * config/i386/i386.c (ix86_data_alignment): Change "align"
4206         argument type to unsigned int.
4207
4208 2019-04-27  Martin Liska  <mliska@suse.cz>
4209
4210         PR middle-end/90258
4211         * opt-suggestions.c (option_proposer::build_option_suggestions):
4212         When get_valid_option_values returns empty values, add the
4213         misspelling candidate.
4214
4215 2019-04-26  Jim Wilson  <jimw@sifive.com>
4216
4217         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4218         parameter.
4219         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4220         Pass orig_mode to riscv_build_integer.
4221         (riscv_split_integer): Pass mode to riscv_move_integer.
4222         (riscv_legitimize_const_move): Likewise.
4223         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4224         promoted_mode.  Replace force_reg call with code to load constant into
4225         promoted reg and then subreg it for the store.
4226         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4227         riscv_move_integer.
4228
4229 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4230
4231         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4232         corrupt codes.
4233
4234 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4235
4236         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4237         commentary about the encoding of precision.
4238
4239 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4240
4241         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4242         * config/i386/t-freebsd64: New file.
4243         * config.gcc: Add the t-freebsd64 for multilib support.
4244
4245 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4246
4247         * doc/extend.texi (vector_size): Add missing comma after @xref.
4248
4249 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4250
4251         * BASE-VER: Set to 10.0.0.
4252
4253 2019-04-25  Richard Biener  <rguenther@suse.de>
4254
4255         PR middle-end/89765
4256         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4257         VIEW_CONVERT_EXPR into one operating on an rvalue.
4258
4259 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4260
4261         PR target/89929
4262         * config/i386/i386.c (feature_priority): Moved to file scope.
4263         (processor_features): Likewise.
4264         (processor_model): Likewise.
4265         (_arch_names_table): Likewise.
4266         (arch_names_table): Likewise.
4267         (_feature_list): Removed.
4268         (feature_list): Likewise.
4269         (_isa_names_table): Moved to file scope.  Add priority.
4270         (isa_names_table): Likewise.
4271         (get_builtin_code_for_version): Replace feature_list with
4272         isa_names_table.  Update error message for P_ZERO priority.
4273
4274 2019-04-25  Richard Biener  <rguenther@suse.de>
4275
4276         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4277         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4278
4279 2019-04-24  Jeff Law  <law@redhat.com>
4280
4281         PR tree-optimization/90037
4282         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4283         * passes.def: Replace all instance of phi-only cprop with the
4284         lattice propagator.  Move propagation pass from after erroneous
4285         path isolation to before erroneous path isolation.
4286         * tree-ssa-phionlycprop.c: Remove.
4287
4288 2019-04-24  Richard Biener  <rguenther@suse.de>
4289
4290         PR middle-end/90213
4291         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4292         by size and BITS_PER_UNIT on poly-wide-ints.
4293
4294 2019-04-25  Richard Biener  <rguenther@suse.de>
4295
4296         PR middle-end/90194
4297         * match.pd: Add pattern to simplify view-conversion of an
4298         empty constructor.
4299
4300 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4301
4302         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4303         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4304         for Go on 32 bit AIX.
4305         * config/rs6000/aix72.h: Likewise.
4306
4307 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4308
4309         PR target/90193
4310         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4311         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4312
4313 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4314
4315         PR target/89952
4316         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4317         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4318         for restored hard frame pointer.
4319         (s390_sched_dependencies_evaluation): Implement new target hook.
4320         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4321
4322 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4323
4324         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4325         * config/arc/arc.c (arc_init): Cleanup warning message.
4326         (arc_override_options): Likewise.
4327
4328 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4329
4330         PR target/90187
4331         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4332         a register if both if_true and if_false are MEMs.
4333
4334         PR tree-optimization/90208
4335         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4336         after labels of new_bb, not before them.
4337
4338         PR tree-optimization/90211
4339         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4340         which are not SSA_NAMEs.
4341
4342 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4343
4344         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4345         AArch64.
4346         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4347
4348 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4349
4350         PR rtl-optimization/87979
4351         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4352         not equal zero.
4353
4354 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4355
4356         PR rtl-optimization/84032
4357         * modulo-sched.c (ps_insn_find_column): Change condition so that
4358         branch will always be the last insn in a row inside partial
4359         schedule.
4360
4361 2019-04-23  Richard Biener  <rguenther@suse.de>
4362
4363         PR debug/90131
4364         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4365         dest_single_pred_p argument.
4366         (remove_forwarder_block): Adjust.
4367         (remove_forwarder_block_with_phi): Likewise.
4368
4369 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4370             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4371             Jakub Jelinek  <jakub@redhat.com>
4372
4373         PR target/89093
4374         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4375         if used with general-regs-only.
4376         (arm_conditional_register_usage): Don't add non-general regs if
4377         general-regs-only.
4378         (arm_valid_target_attribute_rec): Handle general-regs-only.
4379         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4380         general-regs-only.
4381         (TARGET_HARD_FLOAT_SUB): Define.
4382         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4383         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4384         (TARGET_REALLY_IWMMXT2): Likewise.
4385         * config/arm/arm.opt: Add -mgeneral-regs-only.
4386         * doc/extend.texi: Document ARM general-regs-only target.
4387         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4388
4389 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4390
4391         PR tree-optimization/90078
4392         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4393         checks for infinite_cost overflow.
4394
4395 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4396
4397         PR tree-optimization/90021
4398         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4399         and check univariate against it.
4400         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4401         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4402
4403 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4404
4405         PR target/90178
4406         Revert:
4407         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4408
4409         Revert the revert:
4410         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4411
4412         Revert:
4413         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4414
4415         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4416
4417 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4418
4419         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4420         names using operand format, rather than hard-wired.
4421         (speculation_barrier): Likewise.
4422
4423 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4424
4425         PR tree-optimization/88055
4426         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4427         (gen_one_condition): Use it if !HONOR_NANS.
4428
4429 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4430
4431         PR middle-end/90139
4432         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4433         assign_temp instead of gen_reg_rtx.
4434
4435 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4436
4437         PR translation/90118
4438         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4439         Add missing space before %<.
4440
4441 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4442
4443         PR rtl-optimization/87871
4444         * ira-lives.c (make_object_dead): Don't add conflicts to
4445         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4446
4447 2019-04-18  Martin Sebor  <msebor@redhat.com>
4448
4449         PR middle-end/89797
4450         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4451         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4452         assuming type size fits in SHWI.
4453
4454 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4455
4456         PR ipa/85051
4457         * ipa-inline.c (flatten_function): New parameter UPDATE.
4458         (ipa_inline, early_inliner): Use it.
4459
4460 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4461
4462         * fold-const.c (int_const_binop): Return early on failure.
4463
4464 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4465
4466         PR middle-end/85164
4467         * combine.c (force_int_to_mode): Cast the argument rather than
4468         the result of known_alignment.
4469         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4470
4471 2019-04-18  Richard Biener  <rguenther@suse.de>
4472
4473         PR debug/90131
4474         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4475         out from ...
4476         (remove_forwarder_block): ... here.
4477         (remove_forwarder_block_with_phi): Also move debug stmts here.
4478
4479 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4480
4481         PR translation/79183
4482         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4483         inform where appropriate.
4484
4485 2019-04-18  Richard Biener  <rguenther@suse.de>
4486
4487         * tree.c (get_qualified_type): Put found type variants at the
4488         head of the variant list.
4489
4490 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4491
4492         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4493
4494 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4495
4496         PR target/90125
4497         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4498         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4499         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4500         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4501         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4502
4503 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4504
4505         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4506         even for allocno's with no conflicts.
4507         (print_conflicts): Print an extra newline.
4508
4509 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4510
4511         * auto-inc-dec.c (attempt_change): Set the alignment of the
4512         temporary memory to that of the original.
4513
4514 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4515
4516         * targhooks.c (default_print_patchable_function_entry): Emit
4517         __patchable_function_entries section with writable flags to allow
4518         relocation resolution.
4519
4520 2019-04-17  Jonny Grant  <jg@jguk.org>
4521
4522         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4523
4524 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4525
4526         PR middle-end/90095
4527         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4528         on lowpart SUBREGs.
4529
4530 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4531
4532         * config/arc/arc.c (arc_init): Format diagnostic string.
4533         (arc_override_options): Likewise.
4534         (check_if_valid_regno_const): Likewise.
4535         (arc_reorg): Likewise.
4536
4537 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4538
4539         PR target/17108
4540         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4541         name.
4542         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4543         name.
4544         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4545         (*movdi_update1): Use Pmode.
4546         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4547         (movdi_<mode>_update_stack): Rename to ...
4548         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4549         use Pmode.
4550         (*movsi_update1): Use Pmode.
4551         (*movsi_update2): Use Pmode.
4552         (movsi_update): Rename to ...
4553         (movsi_<mode>_update): ... this.  Use Pmode.
4554         (movsi_update_stack): Fix condition.
4555         (*movhi_update1): Use Pmode.  Fix argument to
4556         avoiding_indexed_address_p.
4557         (*movhi_update2): Ditto.
4558         (*movhi_update3): Ditto.
4559         (*movhi_update4): Ditto.
4560         (*movqi_update1): Ditto.
4561         (*movqi_update2): Ditto.
4562         (*movqi_update3): Ditto.
4563         (*movsf_update1, *movdf_update1): Merge, rename to...
4564         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4565         avoiding_indexed_address_p.  Add "size" attribute.
4566         (*movsf_update2, *movdf_update2): Merge, rename to...
4567         (*mov<mode>_update2): This.  Ditto.
4568         (*movsf_update3): Use Pmode.  Fix argument to
4569         avoiding_indexed_address_p.
4570         (*movsf_update4): Ditto.
4571         (allocate_stack): Simplify condition.  Adjust pattern names.
4572
4573 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4574
4575         PR target/89093
4576         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4577         whitespace at the start of target attribute string.
4578
4579 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4580
4581         PR target/84369
4582         * config/rs6000/power9.md: Add store forwarding bypass.
4583
4584 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4585
4586         PR debug/89528
4587         * valtrack.c (dead_debug_insert_temp): Reset debug references
4588         to the return value of a call being removed.
4589
4590 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4591
4592         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4593         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4594         implement target hook.
4595         (arc_memory_move_cost): New function.
4596         (TARGET_REGISTER_MOVE_COST): Define.
4597         (TARGET_MEMORY_MOVE_COST): Likewise.
4598         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4599         (MEMORY_MOVE_COST): Likewise.
4600
4601 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4602
4603         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4604         (sibcall_value_insn): Likewise.
4605         * config/arc/constraints.md (Rs5): Remove.
4606
4607 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4608
4609         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4610         for last two fake registers.
4611         (arc_conditional_register_usage): Make sure fake frame and arg
4612         pointer regs are in general regs class.
4613         (FRAME_POINTER_MASK): Remove.
4614         (RETURN_ADDR_MASK): Remove.
4615         (arc_must_save_register): Use hard frame regnum.
4616         (frame_restore_reg): Use hard_frame_pointer_rtx.
4617         (arc_save_callee_saves): Likewise.
4618         (arc_restore_callee_saves): Likewise.
4619         (arc_save_callee_enter): Likewise.
4620         (arc_restore_callee_leave): Likewise.
4621         (arc_save_callee_milli): Likewise.
4622         (arc_eh_return_address_location): Likewise.
4623         (arc_check_multi): Use hard frame regnum.
4624         (arc_can_eliminate): Likewise.
4625         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4626         for register allocator.
4627         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4628         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4629         (FRAME_POINTER_REGNUM): Change it to a fake register.
4630         (HARD_FRAME_POINTER_REGNUM): Defined.
4631         (ARG_POINTER_REGNUM): Change it to a new fake register.
4632         (ELIMINABLE_REGS): Update.
4633         (REGISTER_NAMES): Update names.
4634         * config/arc/arc.md (LP_START): Remove.
4635         (LP_END): Likewise.
4636         (shift_si3_loop): Update pattern.
4637
4638 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4639
4640         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4641         to avoid delay slot scheduling.
4642         (arc_must_save_register): Don't save SP.
4643         * config/arc/arc.md (stack_tie): Remove.
4644         (UNSPEC_ARC_STKTIE): Likewise.
4645
4646 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4647             Shiva Chen  <shiva0217@gmail.com>
4648
4649         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4650         code gen with large shift amount.
4651
4652 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4653
4654         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4655         subreg.
4656
4657 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4658
4659         PR target/90096
4660         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4661         print -m64/-mx32/-m32 if it is true.
4662         (ix86_debug_options, ix86_function_specific_print): Pass true as
4663         ADD_ABI_P to ix86_target_string.
4664         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4665         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4666         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4667
4668         PR rtl-optimization/90082
4669         * dce.c (can_delete_call): New function.
4670         (deletable_insn_p, mark_insn): Use it.
4671
4672         PR tree-optimization/90090
4673         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4674         throw internally.
4675         (is_division_by_square): Likewise.  Formatting fix.
4676
4677 2019-04-16  Richard Biener  <rguenther@suse.de>
4678
4679         PR tree-optimization/56049
4680         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4681         equality check if alias-set zero will prevail.
4682
4683 2019-04-15  Jeff Law  <law@redhat.com>
4684
4685         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4686         size and alignment as unsigned.
4687
4688 2019-04-15  Richard Biener  <rguenther@suse.de>
4689
4690         PR debug/90074
4691         * tree-loop-distribution.c (destroy_loop): Preserve correct
4692         debug info.
4693
4694 2019-04-15  Richard Biener  <rguenther@suse.de>
4695
4696         PR tree-optimization/90071
4697         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4698         abnormal operands from def stmts.
4699
4700 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4701
4702         PR rtl-optimization/89794
4703         * combine.c (count_auto_inc): New function.
4704         (try_combine): Count how many auto_inc expressions there were in the
4705         original instructions.  Ensure we have the same number in the new
4706         instructions.  Remove the code that tried to ensure auto_inc side
4707         effects on i1 and i0 are not lost.
4708
4709 2019-04-15  Richard Biener  <rguenther@suse.de>
4710
4711         PR ipa/88936
4712         * tree.h (auto_var_p): Declare.
4713         * tree.c (auto_var_p): New function, split out from ...
4714         (auto_var_in_fn_p): ... here.
4715         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4716         member.
4717         (new_var_info): Initialize it.
4718         (set_uids_in_ptset): Also set the shadow variable uid if required.
4719         (ipa_pta_execute): Postprocess points-to solutions assigning
4720         shadow variable uids for locals that may reach their containing
4721         function recursively.
4722         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4723         assert but instead check whether the points-to solution is
4724         a singleton.
4725
4726 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4727
4728         PR ipa/pr89693
4729         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4730         the thunk chain.
4731
4732 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4733
4734         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4735
4736 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4737             Kito Cheng  <kito.cheng@gmail.com>
4738             Shiva Chen  <shiva0217@gmail.com>
4739
4740         * config/nds32/nds32-md-auxiliary.c
4741         (nds32_legitimize_pic_address): Use new PIC pattern.
4742         (nds32_legitimize_tls_address): Use new TLS pattern.
4743         (nds32_output_symrel): New.
4744         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4745         (nds32_alloc_relax_group_id): Ditto.
4746         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4747         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4748         relax_group_id.
4749         (nds32_group_tls_insn): Ditto.
4750         (nds32_group_float_insns): Ditto.
4751         * config/nds32/nds32.md (tls_le): New.
4752         (sym_got): Ditto.
4753
4754 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4755
4756         * configure: Add nds32 target for dwarf2 debug_line checking.
4757         * configure.ac: Regenerated.
4758
4759 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4760
4761         PR lto/89358
4762         * ipa-devirt.c (skip_in_fields_list_p): New.
4763         (odr_types_equivalent_p): Use it.
4764
4765 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4766
4767         PR target/89093
4768         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4769         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4770
4771 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4772
4773         * doc/install.texi: Document --with-target-system-zlib.
4774
4775 2019-04-12  Martin Sebor  <msebor@redhat.com>
4776
4777         PR c/88383
4778         PR c/89288
4779         PR c/89798
4780         PR c/89797
4781         * targhooks.c (default_vector_alignment): Avoid assuming
4782         argument fits in SHWI.
4783         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4784         a shift expression.
4785         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4786
4787 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4788
4789         PR rtl-optimization/89965
4790         * dce.c: Include rtl-iter.h.
4791         (struct check_argument_load_data): New type.
4792         (check_argument_load): New function.
4793         (find_call_stack_args): Check for loads from stack slots still tracked
4794         in sp_bytes and punt if any is found.
4795
4796         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4797
4798 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4799
4800         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4801         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4802
4803 2019-04-12  Martin Liska  <mliska@suse.cz>
4804
4805         PR middle-end/89970
4806         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4807         in error message.
4808         (separate_attrs): Handle multiple 'default's.
4809         (expand_target_clones): Rework error handling code.
4810
4811 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4812
4813         PR target/87532
4814         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4815         mode of vector rather than mode of destination for move instruction.
4816         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4817         Use QI inner mode with V16QI vector mode.
4818
4819 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4820
4821         PR target/52726
4822         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4823         "invalid %%t operand" in output_operand_lossage message.
4824
4825 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4826
4827         * config/s390/predicates.md (permute_pattern_operand): New
4828         predicate.
4829         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4830         operand for the permute pattern.
4831         ("*vec_perm<mode>"): New insn definition.
4832         ("bswap<mode>"): Generate the permute pattern operand in the
4833         expander and perform the operand reloads for pre arch13 level
4834         already.
4835         ("*bswap<mode>_emu"): Rename to ...
4836         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4837         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4838         Add the USE operand for the permute pattern.
4839         ("*vec_set_bswap_vec<mode>"): Likewise.
4840
4841 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4842
4843         PR c/89946
4844         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4845         and gcc_unreachable if it fails, just call tree_to_uhwi which
4846         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4847         Start warning message with a lower-case letter.  Formatting fixes.
4848
4849         PR rtl-optimization/90026
4850         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4851         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4852         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4853         in cfglayout mode, use emit_barrier_after_bb.
4854
4855 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4856
4857         PR rtl-optimization/87763
4858         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4859         New Instruction.
4860
4861 2019-04-11  Tom de Vries  <tdevries@suse.de>
4862
4863         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4864         max macro using statement expression.
4865
4866 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4867
4868         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4869         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4870         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4871         read_only_private_data_section using xcoff_private_rodata_section_name.
4872         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4873
4874 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4875
4876         PR target/90016
4877         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4878
4879 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4880
4881         PR rtl-optimization/89965
4882         * dce.c (sp_based_mem_offset): New function.
4883         (find_call_stack_args): Use sp_based_mem_offset.
4884
4885 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4886
4887         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4888
4889 2019-04-11  Richard Biener  <rguenther@suse.de>
4890
4891         PR tree-optimization/90020
4892         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4893         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4894         * tree-ssa-pre.c (compute_avail): Use it to not put
4895         possibly trapping references after a call that might not
4896         return into EXP_GEN.
4897         * gcse.c (compute_hash_table_work): Do not elide
4898         marking a block containing a call if the call might not
4899         return.
4900
4901 2019-04-11  Richard Biener  <rguenther@suse.de>
4902
4903         PR tree-optimization/90018
4904         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4905         Test both SLP and interleaving variants.
4906
4907 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4908
4909         * config/s390/8561.md: New file.
4910         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4911         Add arch13 cpu model.
4912         * config/s390/s390-opts.h (enum processor_type): Likewise.
4913         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4914         (s390_get_unit_mask): Likewise.
4915         (s390_is_fpd): Likewise.
4916         (s390_is_fxd): Likewise.
4917         * config/s390/s390.h (s390_tune_attr): Likewise.
4918         * config/s390/s390.md: Include arch13 pipeline description.
4919         * config/s390/s390.opt: Add arch13.
4920
4921 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4922
4923         PR rtl-optimization/87763
4924         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4925         New prototype.
4926         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4927         New function.
4928         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4929         New instruction.
4930         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4931         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4932         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4933         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4934
4935 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4936
4937         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4938         "Although" in -fipa-icf documentation.
4939
4940         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4941         of using multiple -g options.
4942
4943 2019-04-10  Martin Liska  <mliska@suse.cz>
4944
4945         PR gcov-profile/89959
4946         * doc/gcov.texi: Make documentation of -x option
4947         more precise.
4948
4949 2019-04-10  Richard Biener  <rguenther@suse.de>
4950
4951         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4952         member.
4953         (DR_GROUP_SAME_DR_STMT): Remove.
4954         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4955         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4956         replace with assert.
4957         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4958         (vect_record_grouped_load_vectors): Remove unreachable code.
4959
4960 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4961
4962         PR target/90016
4963         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4964         obsolete reference to N.
4965
4966 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4967
4968         PR middle-end/90025
4969         * expr.c (store_expr): Set properly size on the MEM passed to
4970         clear_storage.
4971
4972         PR c++/90010
4973         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4974         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4975         translation is needed, and when translation is needed, only append
4976         ... if the string length is hostsz or more bytes long.  Avoid using
4977         strncpy or strcat.
4978
4979 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4980
4981         PR target/90024
4982         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4983         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4984         into three.
4985         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4986         differences directly.
4987         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4988
4989 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4990
4991         PR translation/90011
4992         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4993         from diagnostics.
4994         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4995         diagnostics.
4996         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4997         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4998         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4999         trailing space from -gsplit-dwarf diagnostics.
5000
5001         PR tree-optimization/89998
5002         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5003         instead of integer_type_node if possible, don't add ranges if return
5004         type is not compatible with int.
5005         * gimple-fold.c (gimple_fold_builtin_sprintf,
5006         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5007         integer_type_node.
5008
5009 2019-04-09  Martin Liska  <mliska@suse.cz>
5010
5011         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5012         * doc/install.texi: Document the new config.
5013
5014 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5015
5016         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5017         use gimple_expr_type for load and store calls.  Skip over the
5018         condition argument in a conditional internal function.
5019         Protect use of TREE_INT_CST_LOW.
5020
5021 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5022
5023         PR target/90015
5024         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5025         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5026         trailing period from it too.
5027
5028 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5029
5030         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5031         * config/aarch64/aarch64.md : Add "tsv110.md"
5032         * config/aarch64/tsv110.md: New file.
5033
5034 2019-04-08  Richard Biener  <rguenther@suse.de>
5035
5036         PR tree-optimization/90006
5037         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5038         calls like lrint.
5039
5040 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5041
5042         PR target/83033
5043         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5044         construction.
5045         (fma_root_node): Likewise.
5046         (func_fma_steering): Likewise.
5047
5048 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5049
5050         PR rtl-optimization/89865
5051         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5052
5053         PR rtl-optimization/89865
5054         * config/i386/i386.md
5055         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5056         numbers not to clash with the additional operands[4].
5057         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5058         with extra register copy in the middle.
5059
5060 2019-04-08  Martin Liska  <mliska@suse.cz>
5061
5062         PR gcov-profile/89961
5063         * doc/gcov.texi: Document data_file.
5064         * gcov.c (generate_results): Add data_info into JSON output.
5065
5066 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5067
5068         PR tree-optimization/89725
5069         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5070         loop's chrec as invariant symbol.
5071         * tree-chrec.h (chrec_contains_symbols): New parameter.
5072         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5073         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5074         function of loops not in DDR's loop_nest.
5075         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5076
5077 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5078
5079         PR target/89623
5080         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5081         Mask.
5082
5083 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5084
5085         PR target/89945
5086         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5087         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5088
5089 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5090
5091         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5092         targetm.fixed_condition_code_regs.
5093
5094 2019-04-05  Richard Biener  <rguenther@suse.de>
5095
5096         PR debug/89892
5097         PR debug/89905
5098         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5099         debug bind stmts but reset them if they are not valid at the
5100         destination.
5101
5102 2019-04-05  Martin Liska  <mliska@suse.cz>
5103
5104         PR translation/89936
5105         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5106         order to wrap keywords or arguments.
5107         * collect2.c (main): Likewise.
5108         (scan_prog_file): Likewise.
5109         (scan_libraries): Likewise.
5110         * common/config/riscv/riscv-common.c
5111         (riscv_subset_list::parsing_subset_version): Likewise.
5112         (riscv_subset_list::parse_std_ext): Likewise.
5113         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5114         Likewise.
5115         * config/arm/arm.c (arm_option_override): Likewise.
5116         * config/cris/cris.c (cris_print_operand): Likewise.
5117         * config/darwin-c.c (darwin_pragma_options): Likewise.
5118         (darwin_pragma_unused): Likewise.
5119         (darwin_pragma_ms_struct): Likewise.
5120         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5121         * config/i386/i386.c (print_reg): Likewise.
5122         (ix86_print_operand): Likewise.
5123         * config/i386/xm-djgpp.h: Likewise.
5124         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5125         * config/m32c/m32c.c (m32c_option_override): Likewise.
5126         * config/msp430/msp430.c (msp430_option_override): Likewise.
5127         * config/nds32/nds32.c (nds32_option_override): Likewise.
5128         * config/nvptx/mkoffload.c (main): Likewise.
5129         * config/rx/rx.c (rx_print_operand): Likewise.
5130         (valid_psw_flag): Likewise.
5131         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5132         (vms_pragma_nomember_alignment): Likewise.
5133         (vms_pragma_extern_model): Likewise.
5134         * lto-wrapper.c (compile_offload_image): Likewise.
5135         * omp-offload.c (oacc_parse_default_dims): Likewise.
5136         * symtab.c (symtab_node::verify_base): Likewise.
5137         * tlink.c (recompile_files): Likewise.
5138         (start_tweaking): Likewise.
5139         * tree-profile.c (parse_profile_filter): Likewise.
5140
5141 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5142
5143         PR tree-optimization/89956
5144         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5145         multiple negates of the same value.
5146
5147 2019-04-04  Martin Sebor  <msebor@redhat.com>
5148
5149         PR middle-end/89957
5150         PR middle-end/89911
5151         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5152         have the same precision since the function crashes otherwise.
5153         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5154         has non-zero arguments.
5155
5156 2019-04-04  Martin Sebor  <msebor@redhat.com>
5157
5158         PR middle-end/89934
5159         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5160         out if the number of arguments is less than expected.
5161
5162 2019-04-04  Jeff Law  <law@redhat.com>
5163
5164         PR rtl-optimization/89399
5165         * ree.c (combine_set_extension): Use single_set rather than
5166         digging into PATTERN for items on the candidate list.
5167         (combine_reaching_defs): Likewise.
5168
5169 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5170
5171         PR rtl-optimization/46590
5172         * loop-invariant.c (find_defs): Move df_remove_problem and
5173         df_process_deferred_rescans to move_invariants.
5174         Move df_live_add_problem and df_live_set_all_dirty calls
5175         to move_invariants.
5176         (move_invariants): Likewise.
5177         (move_loop_invariants): Likewise, making the df_live calls
5178         conditional on -O.  Remove the problem again if we added it
5179         locally.
5180
5181 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5182
5183         PR tree-optimization/89730
5184         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5185         -flive-patching=inline-only-static.
5186         (can_inline_edge_by_limits_p): Add the checking for
5187         -flive-patching=inline-only-static and grant always_inline
5188         even when -flive-patching=inline-only-static is specified.
5189
5190 2019-04-03  Jeff Law  <law@redhat.com>
5191
5192         PR rtl-optimization/81025
5193         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5194
5195 2019-04-03  Richard Biener  <rguenther@suse.de>
5196
5197         PR tree-optimization/84101
5198         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5199         regs.h for hard_regno_nregs.
5200         (cfun_returns): New helper.
5201         (vect_model_store_cost): When vectorizing a store to a decl
5202         we return and the function ABI returns in a multi-reg location
5203         account for the possible spilling that will happen.
5204
5205 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5206
5207         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5208         displacement addresses for vector mode operands.
5209
5210 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5211
5212         * config/arc/arc.c (GMASK_LEN): Define.
5213         (arc_restore_callee_saves): Restore first blink when
5214         !optimize_size.
5215
5216 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5217
5218         * doc/extend.texi: Add deprecated comment on sign-return-address
5219         function attribute and add mbranch-protection.
5220         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5221
5222 2019-04-03  Richard Biener  <rguenther@suse.de>
5223
5224         PR lto/89896
5225         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5226         the all target phony.
5227
5228 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5229
5230         PR target/89902
5231         PR target/89903
5232         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5233         Return false for variable DImode shifts.
5234         (dimode_scalar_chain::compute_convert_gain): Do not handle
5235         register count operand in variable DImode shifts.
5236         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5237         count argument of a variable shift instruction to a vector register.
5238         (dimode_scalar_chain::convert_reg): Remove support to convert
5239         count argument of a variable shift instruction.
5240
5241 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5242
5243         PR rtl-optimization/84206
5244         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5245         iterating over loop headers.
5246
5247 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5248
5249         PR rtl-optimization/85876
5250         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5251         beyond the original fence.
5252
5253 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5254
5255         * config.gcc: Mark spu* targets as deprecated/obsolete.
5256
5257 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5258
5259         * config/s390/s390-builtin-types.def: New builtin function type
5260         definitions. Remove unused types.
5261         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5262         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5263         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5264         overloaded builtins.
5265         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5266         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5267         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5268         (vec_double, vec_signed, vec_unsigned): Define to use the new
5269         overloaded builtins.
5270         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5271         Remove expanders.
5272
5273 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5274
5275         * config/s390/s390-builtin-types.def: New builtin function type
5276         definitions.
5277         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5278         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5279         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5280         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5281         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5282         constant definitions.
5283         * config/s390/vecintrin.h (vec_search_string_cc)
5284         (vec_search_string_until_zero_cc): New builtin name definitions.
5285         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5286         expanders.
5287         ("vec_vstrs<mode>"): New insn definition.
5288
5289 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5290
5291         * config/s390/s390-builtin-types.def: Add new builtin function
5292         types.
5293         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5294         New overloaded builtins.
5295         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5296         s390_vsrd.
5297         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5298         (UNSPEC_VEC_SLDBYTE): ... this.
5299         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5300         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5301         definitions.
5302         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5303         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5304         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5305
5306 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5307
5308         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5309         New insn definition.
5310         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5311         * config/s390/vector.md (V_HW_HSD): ... here.
5312
5313 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5314
5315         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5316         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5317         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5318         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5319         New insn definitions.
5320
5321 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5322
5323         * config/s390/s390-builtin-types.def: Add new builtin function type.
5324         * config/s390/s390-builtins.def: Add overloaded builtin
5325         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5326         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5327         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5328         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5329         ("eltswap<mode>"): New expander.
5330         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5331         insn definitions.
5332
5333 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5334
5335         * config/s390/s390-builtin-types.def: Add new builtin function types.
5336         * config/s390/s390-builtins.def: Add overloaded builtin
5337         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5338         instructions.
5339         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5340         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5341         ("bswap<mode>"): New expander.
5342         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5343
5344 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5345
5346         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5347         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5348         vector builtin version number in __VEC__.
5349
5350 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5351
5352         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5353         iterators.
5354         (SFSI): New mode attribute.
5355         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5356         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5357         rename to ...
5358         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5359         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5360         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5361         ("floatsi<mode>2"): Add wcefb instruction.
5362
5363 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5364
5365         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5366         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5367         mode iterators.
5368         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5369         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5370         support 32 bit fp-int conversions. Rename to ...
5371         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5372         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5373         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5374         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5375         ... to these.
5376
5377 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5378
5379         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5380         if-then-else constructs if we can use the select instruction.
5381         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5382
5383 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5384
5385         * config/s390/s390.md ("*popcountdi_arch13_cc")
5386         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5387         definition.
5388         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5389         Append _z196 to make it ...
5390         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5391         ("popcounthi2_z196"): ... this.
5392         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5393         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5394
5395 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5396
5397         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5398         certain compares for arch13 in order to make use of the condition
5399         code result produced by the new instructions.
5400         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5401         nxrk, and nxgrk instruction patterns.
5402         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5403         (inv_no): Add new code iterator together with some attributes.
5404         ("*andc_split_<mode>"): Disable splitter for arch13.
5405         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5406         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5407         ("*<ANDOR:bitops_name>c<GPR:mode>")
5408         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5409         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5410         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5411         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5412
5413 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5414
5415         * common/config/s390/s390-common.c (processor_flags_table): New
5416         entry for arch13.
5417         * config.gcc: Support arch13 with the --with-arch= configure flag.
5418         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5419         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5420         * config/s390/s390.c (s390_get_sched_attrmask)
5421         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5422         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5423         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5424         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5425         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5426         definitions.
5427         * config/s390/s390.opt: Support arch13 as processor type in
5428         command line options.
5429
5430 2019-04-02  Martin Liska  <mliska@suse.cz>
5431
5432         PR translation/89912
5433         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5434         Fix param description of graphite-max-arrays-per-scop.
5435
5436 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5437
5438         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5439         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5440         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5441
5442 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5443
5444         PR rtl-optimization/85412
5445         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5446         sel_sched_region_1, not after.
5447
5448 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5449
5450         PR rtl-optimization/86928
5451         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5452         compute_live if necessary.
5453         (sel_redirect_edge_and_branch): Likewise.
5454
5455 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5456
5457         PR rtl-optimization/89865
5458         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5459         register if it is a part of small class.
5460
5461 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5462
5463         PR rtl-optimization/87273
5464         * sel-sched-ir.c (merge_fences): Remove assert.
5465
5466 2019-04-01  Richard Biener  <rguenther@suse.de>
5467
5468         PR tree-optimization/46590
5469         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5470         (dom_walker::m_reachability): Add in place of...
5471         (dom_walker::m_skip_unreachable_blocks): ...this.
5472         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5473         Move complex initialization ...
5474         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5475         lazily and initialize edge flags on each invocation.
5476         (dom_walker::bb_reachable): Use m_reachability.
5477
5478 2019-04-01  Martin Liska  <mliska@suse.cz>
5479
5480         PR driver/89861
5481         * opt-suggestions.c (option_proposer::build_option_suggestions):
5482         Add variant without any argument in order to provide better
5483         hints.
5484
5485 2019-04-01  Richard Biener  <rguenther@suse.de>
5486
5487         PR c/71598
5488         * gimple.c: Include langhooks.h.
5489         (gimple_get_alias_set): Treat enumeral types as the underlying
5490         integer type.
5491
5492 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5493             Eric Botcazou  <ebotcazou@adacore.com>
5494
5495         PR rtl-optimization/89862
5496         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5497         that operates on the full registers for WORD_REGISTER_OPERATIONS
5498         architectures.
5499
5500 2019-03-29  Jim Wilson  <jimw@sifive.com>
5501
5502         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5503         Clear MASK_RVC and then set if C subset supported.
5504
5505 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5506
5507         PR c/89872
5508         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5509         non-addressable complit into its initializer if it is volatile.
5510
5511 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5512
5513         * opts-common.c (integral_argument): Set errno properly in one case.
5514
5515 2019-03-29  Martin Liska  <mliska@suse.cz>
5516
5517         * doc/invoke.texi: Remove -Wchkp from documentation.
5518
5519 2019-03-29  Martin Liska  <mliska@suse.cz>
5520
5521         * dbgcnt.c (print_limit_reach): New function.
5522         (dbg_cnt): Use it.
5523
5524 2019-03-29  Martin Liska  <mliska@suse.cz>
5525
5526         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5527         (dbg_cnt_process_opt): Parse first tokens aas
5528         dbg_cnt_process_single_pair is also using strtok.
5529
5530 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5531
5532         PR rtl-optimization/87485
5533         * function.c (expand_function_end): Move stack_protect_epilogue
5534         before loading of return value into hard register(s).
5535
5536 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5537
5538         PR middle-end/89621
5539         * tree-inline.h (struct copy_body_data): Add
5540         dont_remap_vla_if_no_change flag.
5541         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5542         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5543         and remap_type_2 returns false.
5544         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5545         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5546         only from where it is copied to nested contexts.
5547
5548 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5549
5550         PR target/89865
5551         * config/i386/i386.md (RMW operation with LEA peephole):
5552         Use LEAMODE mode attribute instead of SWI mode iterator for
5553         LEA pattern.
5554
5555 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5556
5557         PR target/89848
5558         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5559         Also process XEXP (src, 0) of a shift insn.
5560
5561 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5562
5563         PR middle-end/89725
5564         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5565         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5566
5567 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5568
5569         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5570         test.
5571         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5572         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5573         immediately after first one with df_analyze in between, but rather
5574         process all bbs, queueing ones that need second pass in a worklist,
5575         df_analyze, process queued debug insn changes and if second pass is
5576         needed, process bbs from worklist, df_analyze, process queued debug
5577         insns again.
5578
5579         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5580         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5581         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5582
5583 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5584
5585         PR c/79022
5586         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5587         definition.
5588
5589 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5590
5591         PR target/85667
5592         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5593         function for 32-bit MS_ABI.
5594         (function_value_ms_32): New function.
5595
5596 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5597
5598         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5599         (movdi): Call gen_movdi_symbol_save_scc.
5600         (gen_movdi_symbol_save_scc): New insn and split.
5601
5602 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5603
5604         PR rtl-optimization/89313
5605         * function.c (matching_constraint_num): New static function.
5606         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5607         Don't replace inputs with non-matching constraints which conflict
5608         with early clobber outputs.
5609
5610 2019-03-27  Jeff Law  <law@redhat.com>
5611
5612
5613         PR rtl-optimization/87761
5614         PR rtl-optimization/89826
5615         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5616         slightly later.
5617         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5618         note problem to get REG_DEAD/REG_UNUSED notes updated.
5619
5620 2019-03-27  Richard Biener  <rguenther@suse.de>
5621
5622         PR tree-optimization/89463
5623         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5624         queue edges to remove.
5625         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5626         dead stmts.  Delay edge removal until PHIs are removed to
5627         make debug-stmt creation not confused by seemingly degenerate
5628         PHIs.
5629
5630 2019-03-27  Alan Modra  <amodra@gmail.com>
5631
5632         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5633         throughout file.
5634         * config/rs6000/darwin.h: Likewise.
5635         * config/rs6000/rs6000.c: Likewise.
5636
5637 2019-03-27  Alan Modra  <amodra@gmail.com>
5638
5639         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5640         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5641
5642 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5643             Jim Wilson  <jimw@sifive.com>
5644
5645         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5646         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5647         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5648         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5649         (generic_alu): Add auipc to type list.
5650         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5651         (riscv_microarchitecture): Declare.
5652         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5653         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5654         field.
5655         (riscv_microarchitecture): New.
5656         (sifive_7_tune_info): New.
5657         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5658         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5659         entries.
5660         (riscv_store_data_bypass_p): New.
5661         (riscv_option_override): Set riscv_microarchitecture from
5662         cpu->microarchitecture.
5663         * config/riscv/riscv.md: Include sifive-7.md.
5664         (type): Add auipc.
5665         (tune): New.
5666         (auipc<mode>): Change type to auipc.
5667         (restore_stack_nonlocal): New.
5668         * config/riscv/sifive-7.md: New.
5669         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5670
5671 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5672
5673         PR target/89827
5674         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5675         Also process XEXP (src, 0) of a shift insn.
5676
5677 2019-03-26  Richard Biener  <rguenther@suse.de>
5678
5679         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5680         (copy_debug_stmt): Likewise.
5681         (expand_call_inline): Likewise.
5682         (copy_bb): Avoid redundant lookup & set of gimple_block.
5683         * gimple-low.c (lower_gimple_return): Likewise.
5684         (lower_builtin_setjmp): Likewise.
5685
5686 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5687
5688         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5689         is constant 0, turn into static const data member initialized to false.
5690         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5691         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5692
5693 2019-03-26  Jason Merrill  <jason@redhat.com>
5694             Jakub Jelinek  <jakub@redhat.com>
5695
5696         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5697         method.
5698         (mem_alloc_description::release_object_overhead): Fix comment typos.
5699         * hash-table.h (hash_table::~hash_table): Call
5700         release_instance_overhead only if m_entries is non-NULL, otherwise
5701         call unregister_descriptor.
5702
5703 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5704
5705         PR tree-optimization/81740
5706         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5707         In case of outer loop vectorization, check for backward dependence
5708         at the inner loop if outer loop dependence is reversed.
5709
5710 2019-03-26  Alan Modra  <amodra@gmail.com>
5711
5712         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5713         rs6000_vector_mem init.  Correct wI and wJ comment.
5714
5715 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5716
5717         PR rtl-optimization/88347
5718         PR rtl-optimization/88423
5719         * sched-deps.c (sched_analyze_insn): Take into account that for
5720         tablejumps the barrier appears after a label and a jump_table_data.
5721
5722 2019-03-25  Martin Sebor  <msebor@redhat.com>
5723
5724         PR c/89812
5725         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5726         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5727         convert it to UHWI when it fits.
5728
5729 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5730
5731         PR debug/86964
5732         * dwarf2out.c (premark_used_variables): New function.
5733         (prune_unused_types_walk): Do not mark not premarked external
5734         variables.
5735         (prune_unused_types): Call premark_used_variables.
5736
5737 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5738
5739         PR rtl-optimization/89676
5740         * lra-constraints.c (curr_insn_transform): Do match reload for
5741         early clobbers when the match was successful only for different
5742         registers.
5743
5744 2019-03-25  Martin Sebor  <msebor@redhat.com>
5745
5746         * doc/extend.texi (Common Type Attributes): Document vector_size.
5747         (Common Variable Attributes): Mention size constraint.  Correct
5748         quoting and typos.
5749         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5750         base type and size constraints.
5751
5752 2019-03-25  Richard Biener  <rguenther@suse.de>
5753
5754         PR tree-optimization/89789
5755         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5756         changes from non-undefined back to undefined.
5757
5758 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5759
5760         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5761         heap string and a gc string, but since this variable is unknown to
5762         ggc the gc string might get reused and corrupted. Fixed by always
5763         using a heap string.
5764
5765 2019-03-25  Richard Biener  <rguenther@suse.de>
5766
5767         PR tree-optimization/89779
5768         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5769         to remove IV defs, delay actual removal.
5770         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5771         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5772         very end, properly also reset loop control IV information.
5773
5774 2019-03-25  Richard Biener  <rguenther@suse.de>
5775
5776         PR tree-optimization/89802
5777         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5778         move EH data to folded stmt.
5779
5780 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5781
5782         * config/s390/s390-builtin-types.def: Remove few unused types and
5783         fix sort order for others.
5784
5785 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5786
5787         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5788         expected and found types with -mdebug during builtin matching.
5789
5790 2019-03-25  Richard Biener  <rguenther@suse.de>
5791
5792         PR middle-end/89790
5793         * fold-const.c (operand_equal_p): Revert last change with
5794         updated comment.
5795
5796 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5797
5798         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5799         notes for the result of the __tls_get_addr calls.
5800         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5801
5802 2019-03-24  Jeff Law  <law@redhat.com>
5803
5804         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5805
5806         PR rtl-optimization/87761
5807         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5808         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5809         as needed.
5810         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5811         rescans.  Reprocess blocks as needed, calling df_analyze before
5812         reprocessing.  Always call df_analyze before fixing up debug bind
5813         insns.
5814
5815 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5816
5817         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5818         big endian.
5819
5820 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5821
5822         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5823         attrribute for uxtw.
5824
5825 2019-03-26  Jeff Law  <law@redhat.com>
5826
5827         PR rtl-optimization/87761
5828         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5829         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5830         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5831         into the next instruction.
5832         (mips_split_move_insn): Pass INSN through to mips_split_move.
5833
5834 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5835
5836         PR rtl-optimization/89676
5837         * lra-constraints.c (curr_insn_transform): Do match reload for
5838         early clobbers even if the match was successful.
5839
5840 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5841
5842         PR c++/87481
5843         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5844
5845 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5846
5847         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5848
5849 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5850
5851         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5852         <avx512>_fmsub_<mode>_mask3<round_name>,
5853         <avx512>_fnmadd_<mode>_mask3<round_name>,
5854         <avx512>_fnmsub_<mode>_mask3<round_name>,
5855         avx512f_vmfmadd_<mode>_mask3<round_name>,
5856         avx512f_vmfmsub_<mode>_mask3<round_name>,
5857         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5858         instead of register_operand and %v instead of v for match_operand 1.
5859         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5860         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5861         <round_nimm_predicate> instead of register_operand and %v instead of v
5862         for match_operand 1.
5863
5864         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5865         <avx512>_fmadd_<mode>_mask3<round_name>,
5866         <avx512>_fmsub_<mode>_mask<round_name>,
5867         <avx512>_fmsub_<mode>_mask3<round_name>,
5868         <avx512>_fnmadd_<mode>_mask<round_name>,
5869         <avx512>_fnmadd_<mode>_mask3<round_name>,
5870         <avx512>_fnmsub_<mode>_mask<round_name>,
5871         <avx512>_fnmsub_<mode>_mask3<round_name>,
5872         <avx512>_fmaddsub_<mode>_mask<round_name>,
5873         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5874         <avx512>_fmsubadd_<mode>_mask<round_name>,
5875         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5876         <round_nimm_predicate> instead of nonimmediate_operand.
5877         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5878         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5879         Use register_operand instead of <round_nimm_predicate> for the
5880         operand that needs to match output.
5881         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5882         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5883         Likewise.  Formatting fixes.
5884
5885         PR target/89784
5886         * config/i386/i386.c (enum ix86_builtins): Remove
5887         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5888         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5889         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5890         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5891         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5892         __builtin_ia32_vfmsubss3_mask3): New builtins.
5893         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5894         avx512f_vmfmadd_<mode>_mask3<round_name>,
5895         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5896         *avx512f_vmfmsub_<mode>_mask<round_name>,
5897         avx512f_vmfmsub_<mode>_mask3<round_name>,
5898         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5899         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5900         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5901         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5902         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5903         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5904         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5905         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5906         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5907         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5908         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5909         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5910         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5911         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5912         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5913         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5914         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5915         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5916         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5917         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5918         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5919         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5920         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5921         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5922         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5923         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5924         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5925         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5926
5927 2019-03-21  Martin Sebor  <msebor@redhat.com>
5928
5929         PR tree-optimization/89350
5930         * builtins.c (compute_objsize): Also ignore offsets whose upper
5931         bound is negative.
5932         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5933         (builtin_memref::builtin_memref): Initialize new member.
5934         Allow EXPR to be null.
5935         (builtin_memref::extend_offset_range): Replace local with a member.
5936         Avoid assuming pointer offsets are unsigned.
5937         (builtin_memref::set_base_and_offset): Determine base object
5938         before computing offset range.
5939         (builtin_access::builtin_access): Handle memset.
5940         (builtin_access::generic_overlap): Replace local with a member.
5941         (builtin_access::strcat_overlap): Same.
5942         (builtin_access::overlap): Same.
5943         (maybe_diag_overlap): Same.
5944         (maybe_diag_access_bounds): Same.
5945         (wrestrict_dom_walker::check_call): Handle memset.
5946         (check_bounds_or_overlap): Same.
5947
5948 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5949             Jakub Jelinek  <jakub@redhat.com>
5950
5951         PR lto/89692
5952         * tree.c (fld_type_variant, fld_incomplete_type_of,
5953         fld_process_array_type): Call fld->pset.add and don't call
5954         add_tree_to_fld_list if it returns true.
5955         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5956         non-marked types from TYPE_NEXT_VARIANT list.
5957         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5958
5959 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5960
5961         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5962         to false, if true, don't alloc_entries during construction, but defer
5963         it to the first method that needs m_entries allocated.
5964         (hash_table::hash_table, hash_table::~hash_table,
5965         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5966         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5967         hash_table::clear_slot, hash_table::traverse_noresize,
5968         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5969         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5970         false.
5971         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5972         NO_INSERT instead of find_with_hash.
5973         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5974         hash_set::m_table): Add Lazy to template params of hash_table.
5975         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5976         * attribs.c (test_attribute_exclusions): Likewise.
5977         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5978         hash_set.  Add tests for hash_set with Lazy = true.
5979
5980 2019-03-21  Richard Biener  <rguenther@suse.de>
5981
5982         PR tree-optimization/89779
5983         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5984         checks with respect to released SSA names now having error_mark_node
5985         type.
5986         * fold-const.c (operand_equal_p): Likewise.
5987
5988 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5989
5990         PR target/89775
5991         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5992         available to ...
5993         (s390_optimize_register_info): Use global_not_special_regno_p to
5994         check for global regs.
5995
5996 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5997
5998         PR target/89752
5999         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6000         update this_alternative nor this_alternative_set.
6001
6002 2019-03-19  Jim Wilson  <jimw@sifive.com>
6003
6004         PR target/89411
6005         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6006         align, size, offset.  Use them to handle a BLKmode reference.  Update
6007         comment.
6008         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6009
6010 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6011
6012         PR rtl-optimization/89768
6013         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6014         instead of GEN_INT.
6015         (unroll_loop_runtime_iterations): Likewise.
6016
6017 2019-03-19  Martin Sebor  <msebor@redhat.com>
6018
6019         PR tree-optimization/89644
6020         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6021         rather than endptr as an indicator of nul-termination.
6022
6023         PR tree-optimization/89644
6024         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6025         arrays in determining sequence sizes in strncpy and stpncpy.
6026
6027 2019-03-19  Martin Liska  <mliska@suse.cz>
6028
6029         PR middle-end/89737
6030         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6031         unlikely_edges if there's an edge that belongs to both these sets.
6032
6033 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6034
6035         PR target/89746
6036         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6037         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6038         go via a stack temporary.
6039
6040 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6041
6042         PR target/89378
6043         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6044         instead of gen_rtx_SUBREG.
6045         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6046
6047 2019-03-19  Richard Biener  <rguenther@suse.de>
6048
6049         PR debug/88389
6050         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6051
6052 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6053
6054         PR lto/87809
6055         PR lto/89335
6056         * tree.c (free_lang_data_in_decl): Do not free context of C++
6057         destrutors.
6058
6059 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6060
6061         PR target/89506
6062         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6063         subs for the first alternative except when operands[3] is 1.
6064
6065         PR target/89752
6066         * gimplify.c (gimplify_asm_expr): For output argument with
6067         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6068         diagnose error.
6069
6070 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6071
6072         PR rtl-optimization/89753
6073         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6074         explicit unrolling factor even more robust.
6075
6076 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6077
6078         PR target/89726
6079         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6080         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6081         signed zeros, do another copysign after the compensation.
6082
6083 2019-03-18  Martin Sebor  <msebor@redhat.com>
6084
6085         PR tree-optimization/89720
6086         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6087         more conservatively, the same as anti-range.
6088
6089 2019-03-18  Richard Biener  <rguenther@suse.de>
6090
6091         PR middle-end/88945
6092         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6093         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6094         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6095         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6096
6097 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6098
6099         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6100         Extend queue to 1024 entries.
6101         Add "consumed" field.
6102         (gomp_print_output): Remove print_index parameter.
6103         Add final parameter.
6104         Change limit to unsigned.
6105         Use consumed field to implement circular buffer.
6106         Detect interrupted print in final pass.
6107         Flush output at the end.
6108         (run): Update gomp_print_output usage.
6109         (main): Initialize kernargs->output_data.consumed.
6110
6111 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6112
6113         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6114         calculation of the minimum number of scalar iterations for
6115         fully-predicated loops.
6116
6117 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6118
6119         PR tree-optimization/89546
6120         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6121         any propagation to its children took place.
6122
6123 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6124
6125         PR target/89627
6126         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6127         parameter, and make use of it.
6128         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6129
6130 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6131
6132         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6133         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6134         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6135         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6136         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6137         match what the ops is doing.
6138         (push_multi_fp_blink): Likewise.
6139         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6140         compiling for size and elf target.
6141         (arc_save_callee_enter): Adjust note to match what enter/leave
6142         operation does.
6143
6144 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6145
6146         * config/arc/arc.md (tst_movb): Fix constraint.
6147
6148 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6149
6150         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6151
6152 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6153
6154         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6155         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6156         reg_alloc_order references.
6157         (size_alloc_order): Define.
6158         (arc_adjust_reg_alloc_order): New function.
6159         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6160         order.
6161         (ADJUST_REG_ALLOC_ORDER): Define.
6162         (HONOR_REG_ALLOC_ORDER): Likewise.
6163
6164 2019-03-18  Richard Biener  <rguenther@suse.de>
6165
6166         PR target/87561
6167         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6168         loads and stores a bit more.
6169
6170 2019-03-18  Richard Biener  <rguenther@suse.de>
6171
6172         PR target/87561
6173         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6174         load pessimization to stores as well.
6175
6176 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6177
6178         PR middle-end/86979
6179         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6180         successor, use NULL as its av set.
6181
6182 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6183
6184         PR rtl-optimization/89721
6185         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6186
6187 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6188
6189         PR target/87532
6190         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6191         When handling vec_extract, use modular arithmetic to allow
6192         constant selectors greater than vector length.
6193         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6194         V1TImode vectors to have constant selector values greater than 0.
6195         Use modular arithmetic to compute vector index.
6196         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6197         index for in-memory vectors.  Correct code generation for
6198         in-register vectors.
6199         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6200         compute index.
6201
6202 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6203
6204         PR c++/88534
6205         PR c++/88537
6206         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6207         VAR_DECL args.
6208
6209 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6210
6211         PR c++/89709
6212         * tree.c (inchash::add_expr): Strip any location wrappers.
6213         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6214         after hash verification.
6215
6216         PR debug/89704
6217         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6218         SIGN_EXTEND and ZERO_EXTEND.
6219
6220 2019-03-14  Jason Merrill  <jason@redhat.com>
6221             Jakub Jelinek  <jakub@redhat.com>
6222
6223         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6224         than if is_empty (*slot).
6225         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6226         existing elt and for elt removal.
6227         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6228         of already removed elt.
6229
6230 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6231
6232         PR target/89650
6233         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6234         REG_EH_REGION note.
6235
6236 2019-03-14  Martin Liska  <mliska@suse.cz>
6237
6238         PR other/89712
6239         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6240
6241 2019-03-14  Richard Biener  <rguenther@suse.de>
6242
6243         PR target/89711
6244         * config/i386/i386.c (make_resolver_func): Properly set
6245         DECL_CONTEXT on the RESULT_DECL.
6246         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6247
6248 2019-03-14  Richard Biener  <rguenther@suse.de>
6249
6250         * gimple-pretty-print.c: Include cfgloop.h.
6251         (dump_gimple_phi): Adjust.
6252         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6253         (pp_cfg_jump): Adjust.
6254         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6255         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6256         (lower_phi_internal_fn): Remove.
6257         (verify_gimple_call): Remove IFN_PHI special-casing.
6258         (dump_function_to_file): Dump IL state.
6259         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6260         done to deal with PHI nodes being present in non-SSA state.
6261
6262 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6263
6264         PR ipa/89684
6265         * multiple_target.c (create_dispatcher_calls): Change
6266         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6267         In the node->iterate_referring loop, push *ref rather than ref, call
6268         ref->remove_reference () and always pass 0 to iterate_referring.
6269
6270         PR rtl-optimization/89679
6271         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6272         would contain a paradoxical SUBREG.
6273
6274 2019-03-14  Richard Biener  <rguenther@suse.de>
6275
6276         PR tree-optimization/89710
6277         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6278         safe_dyn_cast.
6279
6280 2019-03-14  Martin Liska  <mliska@suse.cz>
6281
6282         * coverage.c (coverage_begin_function): Stream also
6283         end_column.
6284         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6285         documentation about function declaration location.
6286         * gcov-dump.c (tag_function): Print whole range
6287         of function declaration.
6288         * gcov.c (struct function_info): Add end_column field.
6289         (function_info::function_info): Initialize it.
6290         (output_json_intermediate_file): Output {start,end}_column
6291         fields.
6292         (read_graph_file): Read end_column.
6293
6294 2019-03-14  Richard Biener  <rguenther@suse.de>
6295
6296         PR middle-end/89698
6297         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6298         that the access types are similar.
6299
6300 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6301
6302         PR tree-optimization/89703
6303         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6304         aren't compatible also with builtin_decl_explicit.  Check pure
6305         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6306         and BUILT_IN_STPNCPY{,_CHK}.
6307
6308 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6309
6310         PR target/89523
6311         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6312         addr32 prefix to VSIB address for X32.
6313         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6314         "%M2" to opcode.
6315         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6316         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6317         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6318         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6319         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6320         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6321         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6322         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6323         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6324         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6325         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6326         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6327         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6328         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6329         (*avx512f_scatterdi<mode>): Likewise.
6330
6331 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6332
6333         PR target/85860
6334         * lra-constraints.c (inherit_in_ebb): Update
6335         potential_reload_hard_regs along with live_hard_regs.
6336
6337 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6338
6339         PR debug/89498
6340         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6341         DWARF_OFFSET_SIZE.
6342         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6343
6344 2019-03-13  Martin Sebor  <msebor@redhat.com>
6345
6346         PR tree-optimization/89662
6347         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6348         has a size.
6349
6350 2019-03-13  Richard Biener  <rguenther@suse.de>
6351
6352         PR middle-end/89677
6353         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6354         throw FP expressions at tree-affine.
6355
6356 2019-03-14  Richard Biener  <rguenther@suse.de>
6357
6358         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6359         dump negative integer constants using _Literal (type) -num.
6360
6361 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6362
6363         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6364         nonlocal_value member.
6365
6366         PR middle-end/88588
6367         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6368         (ipa_simd_modify_function_body): Handle PHIs.
6369
6370 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6371
6372         * config/s390/s390.c (s390_option_override_internal): Use more
6373         aggressive inlining parameters.
6374
6375 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6376
6377         * config/s390/3906.md: New file.
6378         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6379         (LONGRUNNING_THRESHOLD): Remove.
6380         (MAX_SCHED_MIX_SCORE): Decrease.
6381         (MAX_SCHED_MIX_DISTANCE): Decrease.
6382         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6383         (struct s390_sched_state): New struct to hold scheduling state.
6384         (S390_SCHED_STATE_NORMAL): Remove.
6385         (S390_SCHED_STATE_CRACKED): Remove.
6386         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6387         (s390_get_sched_attrmask): Use new attribute.
6388         (s390_get_unit_mask): Use new units.
6389         (s390_is_fpd): New function.
6390         (s390_is_fxd): New function.
6391         (s390_is_longrunning): New function.
6392         (s390_sched_score): Use new functions.
6393         (s390_sched_reorder): Likewise.
6394         (s390_sched_variable_issue): Rework and use new functions.
6395         (s390_sched_init): Use new functions.
6396         * config/s390/s390.h (s390_tune_attr):  Add z14.
6397         * config/s390/s390.md: Add z14.
6398
6399 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6400
6401         * config/s390/2964.md: Update pipeline description.
6402         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6403         (LONGRUNNING_THRESHOLD): Remove.
6404         (LATENCY_FACTOR): Remove.
6405         (s390_get_unit_mask): Add unit.
6406         (s390_sched_score): Use fxd/fpd.
6407         (s390_sched_variable_issue): Use fxd/fpd.
6408
6409 2019-03-12  Martin Liska  <mliska@suse.cz>
6410
6411         * config/i386/i386.c: Reword an error message.
6412
6413 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6414
6415         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6416         terminate with newline.
6417
6418 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6419
6420         PR target/52726
6421         * config/s390/s390.md (tabort): Use %wd instead of
6422         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6423         letters and periods.
6424         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6425         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6426         's with %< and %>.
6427
6428         PR middle-end/89663
6429         * builtins.c (expand_builtin_int_roundingfn,
6430         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6431         gcc_unreachable if validate_arglist fails.
6432
6433 2019-03-12  Richard Biener  <rguenther@suse.de>
6434
6435         PR tree-optimization/89664
6436         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6437         free the occurance tree after the early out.
6438
6439 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6440
6441         PR middle-end/89655
6442         PR bootstrap/89656
6443         * vr-values.c (vr_values::update_value_range): If
6444         old_vr->varying_p (), don't update it, make new_vr also VARYING
6445         and return false.
6446
6447 2019-03-11  Martin Liska  <mliska@suse.cz>
6448
6449         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6450         Fix double string quoting.
6451
6452 2019-03-11  Martin Liska  <mliska@suse.cz>
6453
6454         * collect-utils.c (collect_wait): Wrap apostrophes
6455         in gcc internal format with %'.
6456         * collect2.c (main): Likewise.
6457         (scan_prog_file): Likewise.
6458         (scan_libraries): Likewise.
6459         * config/i386/i386.c (ix86_expand_call): Likewise.
6460         (ix86_handle_interrupt_attribute): Likewise.
6461         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6462         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6463         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6464         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6465         * symtab.c (symtab_node::verify_base): Likewise.
6466         * tree-cfg.c (verify_gimple_label): Likewise.
6467         * tree.c (verify_type_variant): Likewise.
6468
6469 2019-03-11  Martin Liska  <mliska@suse.cz>
6470
6471         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6472         in a string format message and fix GNU coding style.
6473         (expand_builtin_set_thread_pointer): Likewise.
6474         * common/config/aarch64/aarch64-common.c
6475         (aarch64_rewrite_selected_cpu): Likewise.
6476         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6477         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6478         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6479         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6480         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6481         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6482         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6483         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6484         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6485         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6486         Likewise.
6487         * common/config/riscv/riscv-common.c
6488         (riscv_subset_list::parsing_subset_version): Likewise.
6489         (riscv_subset_list::parse_std_ext): Likewise.
6490         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6491         (riscv_subset_list::parse): Likewise.
6492         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6493         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6494         (aarch64_override_options_internal): Likewise.
6495         (aarch64_validate_mcpu): Likewise.
6496         (aarch64_validate_march): Likewise.
6497         (aarch64_validate_mtune): Likewise.
6498         (aarch64_override_options): Likewise.
6499         * config/alpha/alpha.c (alpha_option_override): Likewise.
6500         * config/arc/arc.c (arc_init): Likewise.
6501         (parse_mrgf_banked_regs_option): Likewise.
6502         (arc_override_options): Likewise.
6503         (arc_expand_builtin_aligned): Likewise.
6504         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6505         (arm_expand_builtin): Likewise.
6506         * config/arm/arm.c (arm_option_check_internal): Likewise.
6507         (arm_configure_build_target): Likewise.
6508         (arm_option_override): Likewise.
6509         (arm_options_perform_arch_sanity_checks): Likewise.
6510         (arm_handle_cmse_nonsecure_entry): Likewise.
6511         (arm_handle_cmse_nonsecure_call): Likewise.
6512         (arm_tls_referenced_p): Likewise.
6513         (thumb1_expand_prologue): Likewise.
6514         * config/avr/avr.c (avr_option_override): Likewise.
6515         * config/bfin/bfin.c (bfin_option_override): Likewise.
6516         * config/c6x/c6x.c (c6x_option_override): Likewise.
6517         * config/cr16/cr16.c (cr16_override_options): Likewise.
6518         * config/cris/cris.c (cris_option_override): Likewise.
6519         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6520         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6521         * config/darwin.c (darwin_override_options): Likewise.
6522         * config/frv/frv.c (frv_expand_builtin): Likewise.
6523         * config/h8300/h8300.c (h8300_option_override): Likewise.
6524         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6525         (ix86_option_override_internal): Likewise.
6526         (warn_once_call_ms2sysv_xlogues): Likewise.
6527         (ix86_expand_prologue): Likewise.
6528         (split_stack_prologue_scratch_regno): Likewise.
6529         (ix86_warn_parameter_passing_abi): Likewise.
6530         * config/ia64/ia64.c (fix_range): Likewise.
6531         * config/m68k/m68k.c (m68k_option_override): Likewise.
6532         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6533         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6534         (mips_set_compression_mode): Likewise.
6535         * config/mmix/mmix.c (mmix_option_override): Likewise.
6536         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6537         * config/msp430/msp430.c (msp430_option_override): Likewise.
6538         * config/nds32/nds32.c (nds32_option_override): Likewise.
6539         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6540         (nios2_option_override): Likewise.
6541         (nios2_expand_custom_builtin): Likewise.
6542         * config/nvptx/mkoffload.c (main): Likewise.
6543         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6544         * config/pa/pa.c (fix_range): Likewise.
6545         (pa_option_override): Likewise.
6546         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6547         (riscv_option_override): Likewise.
6548         * config/rl78/rl78.c (rl78_option_override): Likewise.
6549         * config/rs6000/aix61.h: Likewise.
6550         * config/rs6000/aix71.h: Likewise.
6551         * config/rs6000/aix72.h: Likewise.
6552         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6553         * config/rs6000/freebsd64.h: Likewise.
6554         * config/rs6000/linux64.h: Likewise.
6555         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6556         (rs6000_expand_zeroop_builtin): Likewise.
6557         (rs6000_expand_mtfsb_builtin): Likewise.
6558         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6559         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6560         (rs6000_invalid_builtin): Likewise.
6561         (rs6000_expand_split_stack_prologue): Likewise.
6562         * config/rs6000/rtems.h: Likewise.
6563         * config/rx/rx.c (valid_psw_flag): Likewise.
6564         (rx_expand_builtin): Likewise.
6565         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6566         * config/s390/s390.c (s390_expand_builtin): Likewise.
6567         (s390_function_profiler): Likewise.
6568         (s390_option_override_internal): Likewise.
6569         (s390_option_override): Likewise.
6570         * config/sh/sh.c (sh_option_override): Likewise.
6571         (sh_builtin_saveregs): Likewise.
6572         (sh_fix_range): Likewise.
6573         * config/sh/vxworks.h: Likewise.
6574         * config/sparc/sparc.c (sparc_option_override): Likewise.
6575         * config/spu/spu.c (spu_option_override): Likewise.
6576         (fix_range): Likewise.
6577         * config/visium/visium.c (visium_option_override): Likewise.
6578         (visium_handle_interrupt_attr): Likewise.
6579         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6580         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6581         (dbg_cnt_process_opt): Likewise.
6582         * dwarf2out.c (output_dwarf_version): Likewise.
6583         * except.c (expand_eh_return): Likewise.
6584         * gcc.c (defined): Likewise.
6585         (driver_handle_option): Likewise.
6586         (process_command): Likewise.
6587         (compare_files): Likewise.
6588         (driver::prepare_infiles): Likewise.
6589         (driver::do_spec_on_infiles): Likewise.
6590         (driver::maybe_run_linker): Likewise.
6591         * omp-offload.c (oacc_parse_default_dims): Likewise.
6592         * opts-global.c (handle_common_deferred_options): Likewise.
6593         * opts.c (parse_sanitizer_options): Likewise.
6594         (common_handle_option): Likewise.
6595         (enable_warning_as_error): Likewise.
6596         * passes.c (enable_disable_pass): Likewise.
6597         * plugin.c (parse_plugin_arg_opt): Likewise.
6598         (default_plugin_dir_name): Likewise.
6599         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6600         (default_pch_valid_p): Likewise.
6601         * toplev.c (init_asm_output): Likewise.
6602         (process_options): Likewise.
6603         (toplev::run_self_tests): Likewise.
6604         * tree-cfg.c (verify_gimple_call): Likewise.
6605         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6606         (tree_inlinable_function_p): Likewise.
6607         * var-tracking.c (vt_find_locations): Likewise.
6608
6609 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6610
6611         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6612         only on the else branch.
6613
6614 2019-03-11  Martin Liska  <mliska@suse.cz>
6615
6616         * gcov.c (output_intermediate_json_line): Print function
6617         name of each line.
6618         (output_json_intermediate_file): Add new argument.
6619         * doc/gcov.texi: Document the change.
6620
6621 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6622
6623         PR rtl-optimization/89588
6624         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6625         explicit unrolling factor more robust.
6626
6627 2019-03-11  Richard Biener  <rguenther@suse.de>
6628
6629         PR tree-optimization/89649
6630         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6631         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6632         on the prolog and epilog loops.
6633         (vect_loop_versioning): Return copy of loop.
6634         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6635         on the non-vectorized version of the loop.
6636
6637 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6638
6639         PR target/68924
6640         * config/i386/sse.md (*vec_extractv2di_0_sse):
6641         Add (=r,x) alternative and corresponding splitter.
6642
6643 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6644
6645         PR tree-optimization/85762
6646         PR tree-optimization/87008
6647         PR tree-optimization/85459
6648         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6649         it points to if there is a type changing MEM_REF.  Adjust all callers.
6650         (build_accesses_from_assign): Disable total scalarization if
6651         contains_vce_or_bfcref_p returns true through the new parameter, for
6652         both rhs and lhs.
6653
6654 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6655
6656         PR c/88568
6657         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6658         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6659
6660         PR target/79645
6661         * common.opt (fdiagnostics-show-labels,
6662         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6663         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6664         gas-locview-support, ginline-points, ginternal-reset-location-views):
6665         Terminate description text with a dot.
6666         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6667         * config/mcore/mcore.opt (m210, m340): Likewise.
6668         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6669         mnops=): Start description text with a capital letter.
6670         * config/arc/arc.opt (msize-level=): Likewise.
6671         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6672         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6673         mnewlib): Likewise.
6674         * config/ft32/ft32.opt (msim): Likewise.
6675         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6676         (mnodiv, mnopm): Terminate description text with a dot.
6677         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6678         a colon.
6679         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6680         Likewise.
6681         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6682         text.
6683
6684         PR rtl-optimization/89634
6685         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6686         are modified in BB_END (e->src) instruction.
6687
6688 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6689
6690         PR target/79926
6691         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6692         messages more amenable to translation, and improve wording.
6693
6694 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6695
6696         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6697         ud- and du-chains between phases.
6698
6699 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6700
6701         PR debug/89631
6702         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6703         instead of POLY_INT_CST.
6704
6705 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6706
6707         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6708         requirement.
6709
6710 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6711
6712         PR target/68924
6713         PR target/78782
6714         PR target/87558
6715         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6716         (_mm_storeu_si64): Ditto.
6717
6718 2019-03-08  Martin Liska  <mliska@suse.cz>
6719
6720         PR target/86952
6721         * config/i386/i386.c (ix86_option_override_internal): Disable
6722         jump tables when retpolines are used.
6723
6724 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6725
6726         PR go/63560
6727         * ipa-split.c (execute_split_functions): Do not split
6728         'noinline' or 'section' function.
6729
6730 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6731
6732         PR target/79846
6733         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6734         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6735         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6736
6737         PR ipa/80000
6738         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6739         from diagnostics.  Formatting fixes.
6740
6741         PR target/85665
6742         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6743         warn_odr diagnostics.
6744
6745         PR other/80058
6746         * lra-constraints.c (process_alt_operands): Avoid one space before
6747         " at the end of line and another after " on another line in a string
6748         literal.
6749         * attribs.c (handle_dll_attribute): Likewise.
6750         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6751
6752         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6753         warning_at or inform messages in G_() if there is no ?:.
6754
6755         PR tree-optimization/89550
6756         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6757         returned true.  Formatting fixes.
6758         (expand_builtin_strnlen): Formatting fixes.
6759         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6760         if warning_at returned true.
6761         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6762
6763 2019-03-08  Richard Biener  <rguenther@suse.de>
6764
6765         PR middle-end/89578
6766         * cfgloop.h (struct loop): Add owned_clique field.
6767         * cfgloopmanip.c (copy_loop_info): Copy it.
6768         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6769         cliques.
6770         * tree-inline.c (copy_loops): Remap owned_clique.
6771         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6772         * lto-streamer-out.c (output_cfg): Likewise.
6773
6774 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6775
6776         PR target/80190
6777         * config/darwin.c: Include intl.h.
6778         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6779         composing the message out of two separate parts.
6780
6781 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6782
6783         PR target/80003
6784         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6785         doesn't start with a capital letter and doesn't end with a dot.
6786         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6787         with a capital letter.
6788         (ix86_mangle_function_version_assembler_name): Likewise.
6789         (ix86_generate_version_dispatcher_body): Likewise.
6790         (fold_builtin_cpu): Likewise.
6791         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6792         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6793         translators, wrap full type name in %qs.
6794
6795         PR translation/79999
6796         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6797         depend clause with source (or sink) modifier.
6798         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6799
6800         PR target/89602
6801         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6802         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6803         (avx512f_load<mode>_mask): New define_expand.
6804         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6805         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6806         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6807         __builtin_ia32_movess_mask): New builtins.
6808         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6809         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6810         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6811         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6812
6813 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6814
6815         PR lto/87525
6816         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6817         for extern inline functions.
6818
6819 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6820
6821         PR ipa/88235
6822         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6823         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6824         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6825         have multiple callees.  At the end check if declarations match as
6826         opposed to cgraph_nodes.
6827
6828 2019-03-07  Martin Liska  <mliska@suse.cz>
6829
6830         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6831         which is equivalent to searching for this in clones chain.
6832         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6833         names with a neighbour and special case first node in a chain.
6834
6835 2019-01-25  Jason Merrill  <jason@redhat.com>
6836
6837         PR c++/80916 - spurious "static but not defined" warning.
6838         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6839         for an internal symbol with DECL_EXTERNAL.
6840
6841 2019-04-07  Richard Biener  <rguenther@suse.de>
6842
6843         PR middle-end/89618
6844         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6845         * tree-inline.c (copy_loops): Simplify.
6846
6847 2019-03-07  Martin Liska  <mliska@suse.cz>
6848
6849         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6850
6851 2019-03-07  Richard Biener  <rguenther@suse.de>
6852
6853         PR tree-optimization/89595
6854         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6855         stmt iterator as reference, take boolean output parameter to
6856         indicate whether the stmt was removed and thus the iterator
6857         already advanced.
6858         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6859         stmts created by folding.
6860
6861 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6862
6863         PR c++/89585
6864         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6865         at toplevel.
6866
6867 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6868
6869         PR rtl-optimization/88845
6870         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6871         LRA.
6872         * lra.c (remove_scratches_1): New function.
6873         (remove_scratches): Use it.
6874         (lra_emit_move): Likewise.
6875
6876 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6877
6878         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6879         unaligned_access variable.
6880         * config/arc/arc.c (arc_override_options): Set unaligned access
6881         default on for HS CPUs.
6882         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6883
6884 2019-03-06  Martin Liska  <mliska@suse.cz>
6885
6886         PR gcov-profile/89577
6887         * doc/gcov.texi: Prefer to use --coverage.
6888         * doc/sourcebuild.texi: Likewise.
6889
6890 2019-03-02  Jason Merrill  <jason@redhat.com>
6891
6892         PR c++/86485 - -Wmaybe-unused with empty class ?:
6893         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6894
6895 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6896
6897         PR target/89587
6898         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6899         if_multiarch.
6900
6901         PR middle-end/89590
6902         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6903         exactly one argument.
6904
6905 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6906             Richard Sandiford  <richard.sandiford@arm.com>
6907
6908         PR tree-optimization/89570
6909         * match.pd (vec_cond into cond_op simplification): Don't use
6910         get_conditional_internal_fn, use as_internal_fn (cond_op).
6911
6912 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6913
6914         PR target/89222
6915         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6916         to decide when to split off a non-zero offset from a symbol.
6917         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6918         in function symbols.
6919
6920 2019-03-05  Richard Biener  <rguenther@suse.de>
6921
6922         PR tree-optimization/89594
6923         * tree-if-conv.c (pass_if_conversion::execute): Handle
6924         case where .LOOP_VECTORIZED_FUNCTION was removed.
6925
6926 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR bootstrap/89560
6929         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6930         instead alloca it only when needed with the needed size.
6931
6932         PR tree-optimization/89570
6933         * match.pd (vec_cond into cond_op simplification): Guard with
6934         vectorized_internal_fn_supported_p test and #if GIMPLE.
6935
6936         PR tree-optimization/89566
6937         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6938         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6939         Punt if get_user_idx_format succeeds, but idx_format argument is
6940         not provided or doesn't have pointer type, or if idx_args is above
6941         number of provided arguments.
6942
6943 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6944
6945         PR tree-optimization/89437
6946         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6947
6948 2019-03-04  Richard Biener  <rguenther@suse.de>
6949
6950         PR middle-end/89572
6951         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6952         safe_dyn_cast.
6953
6954 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6955
6956         PR tree-optimization/89487
6957         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6958         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6959         (distribute_loop): Don't do runtime alias check if there is non-
6960         addressable data reference.
6961         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6962         is a register variable.
6963
6964 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6965
6966         PR target/89506
6967         * config/arm/arm.md (cmpsi2_addneg): Use
6968         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6969         If operands[2] is 0 or INT_MIN, force use of subs.
6970         (*compare_scc splitter): Use gen_int_mode.
6971         (*negscc): Likewise.
6972         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6973
6974 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6975             Monk Chiang  <sh.chiang04@gmail.com>
6976
6977         * common/config/riscv/riscv-common.c: Include sstream.
6978         (riscv_subset_list::to_string): New.
6979         (riscv_arch_str): Likewise.
6980         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6981         * config.in: Regen.
6982         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6983         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6984         (riscv_emit_attribute): New.
6985         (riscv_file_start): Emit attribute if needed.
6986         (riscv_option_override): Init riscv_emit_attribute_p.
6987         * config/riscv/riscv.opt (mriscv-attribute): New option.
6988         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6989         * configure: Regen.
6990         * doc/install.texi: Document --with-riscv-attribute.
6991         * doc/invoke.texi: Document -mriscv-attribute.
6992
6993         * common/config/riscv/riscv-common.c:
6994         Include config/riscv/riscv-protos.h.
6995         (INCLUDE_STRING): Defined.
6996         (RISCV_DONT_CARE_VERSION): Defined.
6997         (riscv_subset_t): Declare.
6998         (riscv_subset_t::riscv_subset_t): New.
6999         (riscv_subset_list): Declare.
7000         (riscv_subset_list::riscv_subset_list): New.
7001         (riscv_subset_list::~riscv_subset_list): Likewise.
7002         (riscv_subset_list::parsing_subset_version): Likewise.
7003         (riscv_subset_list::parse_std_ext): Likewise.
7004         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7005         (riscv_subset_list::add): Likewise.
7006         (riscv_subset_list::lookup): Likewise.
7007         (riscv_subset_list::xlen): Likewise.
7008         (riscv_subset_list::parse): Likewise.
7009         (riscv_supported_std_ext): Likewise.
7010         (current_subset_list): Likewise.
7011         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7012         parse.
7013
7014 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7015
7016         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7017         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7018         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7019
7020 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7021
7022         PR rtl-optimization/85899
7023         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7024         fallthru edges leading to the exit block.
7025
7026 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7027
7028         PR target/89517
7029         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7030         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7031
7032 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7033
7034         PR tree-optimization/89535
7035         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7036         for each operand.  Calculate the fallback choice for mask operands
7037         and pass it to vect_get_vec_def_for_operand.
7038
7039 2019-03-01  Richard Biener  <rguenther@suse.de>
7040
7041         PR middle-end/89541
7042         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7043         get virtual operands.
7044         (get_expr_operands): Handle CONST_DECL like other decls.
7045
7046 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7047
7048         PR middle-end/89503
7049         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7050         on DECL_P and EXPR_P.
7051
7052 2019-03-01  Richard Biener  <rguenther@suse.de>
7053
7054         PR middle-end/89497
7055         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7056         argument, defaulted to zero.
7057         * passes.c (execute_function_todo): Pass down SSA update flags
7058         to cleanup_tree_cfg.
7059         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7060         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7061         form if requested.
7062         (cleanup_tree_cfg): Get and pass down SSA update flags.
7063
7064 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7065
7066         PR bootstrap/89539
7067         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7068         early_lto_debug argument.
7069
7070 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7071
7072         PR tree-optimization/89536
7073         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7074         only whether bit #0 of the value is 0 instead of the entire value.
7075
7076 2019-02-28  Marek Polacek  <polacek@redhat.com>
7077
7078         PR c++/87068 - missing diagnostic with fallthrough statement.
7079         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7080         at the end of a seq, save its location to walk_stmt_info.
7081         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7082         a switch.
7083
7084 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7085
7086         PR lto/88585
7087         * tree.c (find_atomic_core_type): Move ahead in file.
7088         (check_base_type): Correctly compare alignments of atomic types.
7089
7090 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7091
7092         PR target/89455
7093         * config/i386/i386.c (get_builtin_code_for_version): Identify
7094         Westmere from PCLMUL, instead of AES.
7095
7096 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7097
7098         PR target/89434
7099         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7100         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7101         -UINTVAL (...).
7102
7103 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7104
7105         PR target/88530
7106         * config/aarch64/aarch64-option-extensions.def: Document it.
7107         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7108         if empty hwcaps.
7109
7110 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7111
7112         PR c/89520
7113         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7114         builtins if they don't have a single scalar floating point argument.
7115         Formatting fixes.
7116
7117 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7118
7119         PR rtl-optimization/89490
7120         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7121         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7122         block section is not mergeable.
7123
7124 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7125
7126         PR target/70341
7127         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7128         old define_insn to ...
7129         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7130         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7131         Rename old define_insn to ...
7132         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7133         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7134         define_insn to ...
7135         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7136         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7137         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7138
7139 2019-02-27  Richard Biener  <rguenther@suse.de>
7140
7141         PR debug/88878
7142         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7143
7144 2019-02-27  Richard Biener  <rguenther@suse.de>
7145
7146         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7147         building.
7148
7149 2019-02-27  Richard Biener  <rguenther@suse.de>
7150
7151         PR debug/88878
7152         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7153         parameter, prefix section name with .gnu.debuglto_ if true.
7154         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7155         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7156
7157 2019-02-27  Richard Biener  <rguenther@suse.de>
7158
7159         PR debug/89514
7160         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7161         rather than on use_debug_types, doing what output_die does.
7162         (value_format): Likewise.
7163
7164 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7165             Martin Sebor  <msebor@redhat.com>
7166
7167         * doc/invoke.texi (Warning Options): Reword description of
7168         -Wno-absolute-value.
7169
7170 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7171
7172         PR tree-optimization/89280
7173         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7174         builtin_setjmp_setup_bb): New functions.
7175         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7176         When visiting __builtin_setjmp_setup block, queue in special
7177         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7178         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7179         from visited after the loop if they don't have any visited successor
7180         blocks.
7181
7182 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7183
7184         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7185         New function.
7186         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7187
7188 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7189
7190         PR c++/89507
7191         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7192         with types other than sizetype/ssizetype.
7193
7194 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7195
7196         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7197         (enum sparc_processor_type): ...this.
7198         (enum sparc_code_model_type): New enumeration type.
7199         (enum sparc_memory_model_type): Tweak comments.
7200         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7201         (mtune): Likewise.
7202         (mcmodel): Use sparc_code_model enumeration and variable.
7203         (sparc_code_model): New enumeration.
7204         (mdebug): Add Undocumented marker.
7205         * config/sparc/sparc.h (enum cmodel): Delete.
7206         (sparc_cmodel): Likewise.
7207         (TARGET_CM_MEDLOW): Adjust to above renaming.
7208         (TARGET_CM_MEDMID): Likewise.
7209         (TARGET_CM_MEDANY): Likewise.
7210         (TARGET_CM_EMBMEDANY): Likewise.
7211         * config/sparc/sparc.c (sparc_cmodel): Delete.
7212         (sparc_option_override): Remove string/value mapping support for the
7213         code model.  Move code and memory model support to after the handling
7214         of target flags.  Do private machine setup last.
7215         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7216         (sparc_legitimize_reload_address): Likewise.
7217         (sparc_output_mi_thunk): Likewise.
7218         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7219
7220 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7221
7222         PR tree-optimization/89500
7223         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7224         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7225         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7226         cst if the first cst bytes starting at x are known to be non-zero,
7227         even if the string is not zero terminated.  Don't try to modify
7228         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7229         we can prove strnlen returns the same value as strlen would.
7230
7231 2019-02-26  Martin Liska  <mliska@suse.cz>
7232
7233         * alloc-pool.h (struct pool_usage): Remove extra
7234         print_dash_line.
7235         * bitmap.h (struct bitmap_usage): Likewise.
7236         * ggc-common.c (struct ggc_usage): Likewise.
7237         * mem-stats.h (struct mem_usage): Likewise.
7238         (mem_alloc_description::dump): Print dash lines
7239         here and repeat header at the end of a table report.
7240         It's then more readable.
7241         * tree-phinodes.c (phinodes_print_statistics): Make
7242         horizontal alignment.
7243         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7244         * vec.c (struct vec_usage): Remove extra print_dash_line.
7245         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7246
7247 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7248
7249         * doc/extend.texi (__builtin_object_size):
7250         Use @pxref instead of @xref inside parenthesis.
7251         (__builtin_has_attribute): Add missing comma after @xref.
7252         (__builtin_object_size): Ditto.
7253         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7254         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7255         in the list.
7256
7257 2019-02-26  Jeff Law  <law@redhat.com>
7258
7259         PR rtl-optimization/87761
7260         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7261         detect obviously dead insns and delete them.
7262
7263 2019-02-26  Richard Biener  <rguenther@suse.de>
7264
7265         PR tree-optimization/89505
7266         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7267         to handle restrict pointed-to vars with multiple subvars
7268         correctly.
7269
7270 2019-02-26  Richard Biener  <rguenther@suse.de>
7271
7272         PR tree-optimization/89489
7273         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7274
7275 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7276
7277         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7278         and move around comment.
7279         <BIT_AND_EXPR>: Likewise.
7280         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7281
7282 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7283
7284         PR target/89474
7285         * config/i386/i386.c (remove_partial_avx_dependency): Call
7286         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7287         after changing possibly many instructions to use that pseudo.  Fix up
7288         insertion of v4sf_const0 setter at the start of bb.
7289
7290 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7291
7292         PR c/80409
7293         * doc/extend.texi (Variadic Pointer Args): New section.
7294
7295 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7296             Martin Sebor  <msebor@gmail.com>
7297
7298         * common.opt (Wattribute-alias): Likewise.
7299         * doc/invoke.texi (Option Summary): List general form of
7300         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7301         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7302         Add cross-references.
7303         (-Wattribute-alias): Rewrite and correct default.  Mention
7304         considered attributes (same as for -Wmissing-attributes).
7305
7306 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7307
7308         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7309         (_mm_cvtpd_ps): Likewise.
7310         (_mm_cvttpd_epi32): Likewise.
7311
7312         PR target/89338
7313         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7314         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7315
7316         PR target/89339
7317         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7318
7319 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7320
7321         PR target/88530
7322         * common/config/aarch64/aarch64-common.c
7323         (struct aarch64_option_extension): Add is_synthetic.
7324         (all_extensions): Use it.
7325         (TARGET_OPTION_INIT_STRUCT): Define hook.
7326         (struct gcc_targetm_common): Moved to end.
7327         (all_extensions_by_on): New.
7328         (opt_ext_cmp, typedef opt_ext): New.
7329         (aarch64_option_init_struct): New.
7330         (aarch64_contains_opt): New.
7331         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7332         * config/aarch64/aarch64-option-extensions.def
7333         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7334         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7335         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7336         Set is_synthetic to false.
7337         (crypto): Set is_synthetic to true.
7338         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7339         SYNTHETIC.
7340
7341 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7342
7343         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7344         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7345         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7346         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7347         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7348         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7349         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7350         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7351         Rename ...
7352         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7353         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7354         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7355         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7356         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7357         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7358         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7359         vfmlsl_laneq_high_f16): ... To this.
7360         * config/arm/neon.md: Update comments.
7361
7362 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7363
7364         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7365         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7366         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7367         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7368         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7369         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7370         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7371         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7372         Rename ...
7373         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7374         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7375         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7376         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7377         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7378         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7379         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7380         vfmlslq_laneq_high_f16): ... To this.
7381
7382 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7383
7384         PR rtl-optimization/86096
7385         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7386         comparing mw_order values.
7387
7388 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7389
7390         PR target/89434
7391         * config/arm/arm.md (*subsi3_carryin_const): Use
7392         arm_neg_immediate_operand predicate instead of
7393         arm_not_immediate_operand, "L" constraint instead of "K" and
7394         print it using %n2 instead of %B2.
7395         (*subsi3_carryin_const0): New define_insn.
7396         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7397         instead of arm_not_operand and "I" constraint instead of "K" and
7398         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7399         another match_operand and in the condition check that it is negation
7400         of operands[2].
7401         (*subsi3_carryin_compare_const0): New define_ins.
7402         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7403         *subsi3_carryin_const.
7404         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7405         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7406
7407         PR target/89438
7408         * config/arm.vfp.md (*negdf2_vfp): Use
7409         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7410         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7411
7412 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7413
7414         PR rtl-optimization/89445
7415         * simplify-rtx.c (simplify_ternary_operation): Don't use
7416         simplify_merge_mask on operands that may trap.
7417         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7418         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7419         second operand is CONST_VECTOR, check if any element could be zero.
7420         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7421         their operands can trap.
7422
7423 2019-02-23  Martin Sebor  <msebor@redhat.com>
7424
7425         * gimple-ssa-sprintf.c (target_strtol): Rename...
7426         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7427         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7428         check for range error.
7429
7430 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7431
7432         PR driver/69471
7433         * opts-common.c (prune_options): Also prune joined switches
7434         with Negative and RejectNegative.
7435         * config/i386/i386.opt (march=): Add Negative(march=).
7436         (mtune=): Add Negative(mtune=).
7437         * doc/options.texi: Document Negative used together with Joined
7438         and RejectNegative.
7439
7440 2019-02-22  Martin Sebor  <msebor@redhat.com>
7441
7442         * doc/extend.texi (Other Builtins): Add
7443         __builtin_is_constant_evaluated.
7444
7445 2019-02-22  Richard Biener  <rguenther@suse.de>
7446
7447         PR tree-optimization/87609
7448         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7449
7450 2019-02-22  Jeff Law  <law@redhat.com>
7451
7452         PR rtl-optimization/87761
7453         * config/mips/mips.md: Add new combiner pattern to recognize
7454         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7455
7456 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7457
7458         PR target/89324
7459         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7460         destination register in peepholes generating patterns for ADDS/SUBS.
7461         (add<mode>3_compare0,
7462         *addsi3_compare0_uxtw, add<mode>3_compareC,
7463         add<mode>3_compareV_imm, add<mode>3_compareV,
7464         *adds_<optab><ALLX:mode>_<GPI:mode>,
7465         *subs_<optab><ALLX:mode>_<GPI:mode>,
7466         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7467         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7468         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7469         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7470         sub<mode>3_compare1): Allow stack pointer for source register.
7471         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7472
7473 2019-02-22  Martin Sebor  <msebor@redhat.com>
7474
7475         PR tree-optimization/88993
7476         PR tree-optimization/88853
7477         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7478         New helper.
7479         (sprintf_dom_walker::call_info::is_string_func): New helper.
7480         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7481         for formatted string functions.
7482         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7483
7484 2019-02-22  Martin Sebor  <msebor@redhat.com>
7485
7486         PR c/89425
7487         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7488         unreachable subexpressions.
7489
7490 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7491             Hongtao Liu  <hongtao.liu@intel.com>
7492             Sunil K Pandey  <sunil.k.pandey@intel.com>
7493
7494         PR target/87007
7495         * config/i386/i386-passes.def: Add
7496         pass_remove_partial_avx_dependency.
7497         * config/i386/i386-protos.h
7498         (make_pass_remove_partial_avx_dependency): New.
7499         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7500         New function.
7501         (pass_data_remove_partial_avx_dependency): New.
7502         (pass_remove_partial_avx_dependency): Likewise.
7503         (make_pass_remove_partial_avx_dependency): Likewise.
7504         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7505         (*extendsfdf2): Add avx_partial_xmm_update.
7506         (truncdfsf2): Likewise.
7507         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7508         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7509
7510 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7511
7512         PR middle-end/85598
7513         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7514         analysis for pass.
7515
7516 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7517
7518         PR target/89444
7519         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7520         (PTA_SKYLAKE): Add PTA_AES.
7521         (PTA_GOLDMONT): Likewise.
7522
7523 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7524
7525         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7526         instruction if enabled.
7527         (aarch64_override_options): Remove reference to return address key.
7528
7529 2019-02-22  Richard Biener  <rguenther@suse.de>
7530
7531         PR tree-optimization/89440
7532         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7533         not necessary assert.
7534
7535 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7536
7537         PR fortran/72741
7538         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7539         (oacc_replace_fn_attrib_attr): ... this new function.
7540         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7541         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7542
7543 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7544
7545         * config/arm/arm-cpus.in (ares): Rename to...
7546         (neoverse-n1): ... This.  Add ares as alias.
7547         * config/arm/arm-tables.opt: Regenerate.
7548         * config/arm/arm-tune.md: Likewise.
7549         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7550
7551 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7552
7553         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7554         * config/aarch64/aarch64-tune.md: Regenerate.
7555         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7556
7557 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7558
7559         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7560         (neoversen1_tunings): ... This.
7561         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7562         (neoverse-n1): New CPU.
7563         * config/aarch64/aarch64-tune.md: Regenerate.
7564         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7565
7566 2019-02-22  Richard Biener  <rguenther@suse.de>
7567
7568         PR middle-end/87609
7569         * cfghooks.h (dependence_hash): New typedef.
7570         (struct copy_bb_data): New type.
7571         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7572         (duplicate_block): Likewise.
7573         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7574         (copy_bbs): Create and pass down copy_bb_data.
7575         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7576         (rtl_duplicate_bb): Likewise.
7577         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7578         remap dependence info.
7579
7580 2019-02-22  Richard Biener  <rguenther@suse.de>
7581
7582         PR tree-optimization/87609
7583         * tree-core.h (tree_base): Document special clique values.
7584         * tree-inline.c (remap_dependence_clique): Do not use the
7585         special clique value of one.
7586         (maybe_set_dependence_info): Use clique one.
7587         (clear_dependence_clique): New callback.
7588         (compute_dependence_clique): Clear clique one from all refs
7589         before assigning it (again).
7590
7591 2019-02-21  Martin Sebor  <msebor@redhat.com>
7592
7593         * doc/extend.texi (__clear_cache): Correct signature.
7594
7595 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7596
7597         PR go/89170
7598         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7599         than output_constant_def.
7600         (add_constant_to_table): New static function.
7601         (output_constant_def): Call add_constant_to_table.
7602         (tree_output_constant_def): Likewise.
7603
7604 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7605
7606         PR c++/89285
7607         * builtins.c (fold_builtin_arith_overflow): If first two args are
7608         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7609         to ifn.
7610
7611 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7612
7613         PR target/87412
7614         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7615         error for -mindirect-branch/-mfunction-return with incompatible
7616         -fcf-protection.
7617
7618 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7619
7620         PR bootstrap/88714
7621         * constraints.md (q): Remove.
7622         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7623         instead of q.
7624
7625 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7626
7627         PR hsa/89302
7628         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7629         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7630         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7631         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7632         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7633         proper values to new parameters of omp_adjust_for_condition.
7634
7635 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7636
7637         PR middle-end/89412
7638         * expr.c (expand_assignment): If result is a MEM, use change_address
7639         instead of simplify_gen_subreg.
7640
7641 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7642             David Malcolm  <dmalcolm@redhat.com>
7643
7644         PR middle-end/89091
7645         * fold-const.c (decode_field_reference): Return NULL_TREE if
7646         lang_hooks.types.type_for_size returns NULL.  Check it before
7647         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7648
7649 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR middle-end/88074
7652         PR middle-end/89415
7653         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7654         buggy mpc_norm.
7655
7656 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7657
7658         PR target/89397
7659         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7660         TARGET_SSE in addition to TARGET_SSE_MATH.
7661
7662         (ix86_excess_precision): Ditto.
7663         (ix86_float_exceptions_rounding_supported_p): Ditto.
7664         (use_rsqrt_p): Ditto.
7665         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7666
7667 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7668
7669         PR c/89410
7670         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7671         linenum_arith_t when determining if two adjacent line spans are
7672         close enough to merge.
7673         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7674         lines within each line_span.
7675
7676 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7677
7678         PR target/86487
7679         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7680         paradoxical SUBREGS.
7681
7682 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7683
7684         PR target/88100
7685         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7686         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7687         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7688         range checking it.
7689
7690 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7691
7692         * config/gcn/gcn.c (print_operand): Fix typo.
7693
7694 2019-02-19  Richard Biener  <rguenther@suse.de>
7695
7696         PR middle-end/88074
7697         * toplev.c (do_compile): Initialize mpfr's exponent range
7698         based on available float modes.
7699
7700 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7701
7702         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7703         as long as the epilogue isn't completed.
7704
7705 2019-02-18  Martin Sebor  <msebor@redhat.com>
7706
7707         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7708         __has_cpp_attribute, and __has_include.
7709
7710 2019-02-18  Martin Sebor  <msebor@redhat.com>
7711
7712         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7713
7714 2019-02-18  Martin Sebor  <msebor@redhat.com>
7715
7716         PR middle-end/89294
7717         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7718         expression.
7719         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7720
7721 2019-02-18  Richard Biener  <rguenther@suse.de>
7722
7723         PR tree-optimization/89296
7724         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7725         of no-warning flag to cases that might emit the bogus warning.
7726
7727 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7728
7729         PR bootstrap/88714
7730         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7731         "q" constraint.
7732         * config/arm/vfp.md (*movdi_vfp): Likewise.
7733         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7734         "q" constraint for operands[0].
7735
7736         PR target/89369
7737         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7738         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7739         pattern in a temporary buffer.
7740         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7741         than 64-operands[2].
7742
7743         PR target/89361
7744         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7745         s390_indirect_branch_settings): Define unconditionally.
7746         (s390_set_current_function): Likewise, but guard the whole body except
7747         the s390_indirect_branch_settings call with
7748         #if S390_USE_TARGET_ATTRIBUTE.
7749         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7750
7751         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7752         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7753         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7754         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7755         HOST_WIDE_INT_1U instead of 1ULL.
7756         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7757         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7758         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7759         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7760         instead of 1UL.
7761         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7762         instead of 1ul.
7763
7764 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7765
7766         PR tree-optimization/89209
7767         * tree-sra.c (create_access_replacement): New optional parameter
7768         reg_tree.  Use it as a type if non-NULL and access type is not of
7769         a register type.
7770         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7771         to create_access_replacement.
7772         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7773         Check lacc is non-NULL before attempting to re-create it on the RHS.
7774
7775 2019-02-18  Martin Liska  <mliska@suse.cz>
7776
7777         PR ipa/89306
7778         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7779         by default.
7780         (symbol_table::free_edge): Recycle m_summary_id.
7781         * cgraph.h (get_summary_id): New.
7782         (symbol_table::release_symbol): Set m_summary_id to -1
7783         by default.
7784         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7785         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7786         function_summary to fast_function_summary.
7787         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7788         * ipa-pure-const.c (class funct_state_summary_t):
7789         Switch from function_summary to fast_function_summary.
7790         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7791         (class ipa_ref_opt_summary_t): Switch from function_summary
7792         to fast_function_summary.
7793         * symbol-summary.h (class function_summary_base): New class
7794         that is created from base of former function_summary.
7795         (function_summary_base::unregister_hooks): New.
7796         (class function_summary): Inherit from function_summary_base.
7797         (class call_summary_base): New class
7798         that is created from base of former call_summary.
7799         (class call_summary): Inherit from call_summary_base.
7800         (struct is_same): New.
7801         (class fast_function_summary): New summary class.
7802         (class fast_call_summary): New summary class.
7803         * vec.h (vec_safe_grow_cleared): New function.
7804
7805 2019-02-18  Martin Liska  <mliska@suse.cz>
7806
7807         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7808         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7809         * doc/tm.texi: Document new target hook.
7810         * doc/tm.texi.in: Likewise.
7811         * target.def: Add new target macro.
7812         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7813         suffixes.
7814
7815 2019-02-17  Alan Modra  <amodra@gmail.com>
7816
7817         PR target/89271
7818         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7819         output reg on add insn.
7820         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7821
7822 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7823
7824         PR target/89372
7825         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7826         (PMULHRSW): Likewise.
7827         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7828         TARGET_AVX2.
7829         (ssse3_pmulhrswv4hi3): New expander.
7830
7831 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7832
7833         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7834         MMX.  Add isa attribute.
7835
7836 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7837
7838         PR rtl-optimization/66152
7839         * builtins.h (c_readstr): Declare.
7840         * builtins.c (c_readstr): Remove forward declaration.  Add
7841         null_terminated_p argument, if false, read all bytes from the
7842         string instead of stopping after '\0'.
7843         * expr.c (string_cst_read_str): New function.
7844         (store_expr): Use string_cst_read_str instead of
7845         builtin_strncpy_read_str.  Try to store by pieces the whole
7846         exp_len first, and only if that fails, split it up into
7847         store by pieces followed by clear_storage.  Formatting fix.
7848
7849         * config/i386/i386.md (*movqi_internal): Remove static from
7850         buf variable.  Use output_asm_insn (buf, operands); return "";
7851         instead of return buf;.
7852         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7853         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7854         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7855
7856 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7857
7858         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7859         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7860         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7861         (CC1_SPEC): Likewise.
7862         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7863
7864 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7865
7866         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7867         the base address on 64-bit strict-alignment platforms.
7868
7869 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7870
7871         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7872
7873 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7874
7875         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7876
7877 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7878
7879         PR rtl-optimization/88308
7880         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7881         on copied instruction.
7882
7883 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7884
7885         * final.c (insn_current_reference_address): Replace test on JUMP_P
7886         with test on jump_to_label_p.
7887         * config/visium/visium-passes.def: New file.
7888         * config/visium/t-visium (PASSES_EXTRA): Define.
7889         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7890         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7891         (TRAMPOLINE_ALIGNMENT): Define.
7892         * config/visium/visium.c (visium_option_override): Do not register
7893         the machine-specific reorg pass here.
7894         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7895         for the GR6.
7896         (output_branch): Adjust threshold for long branch instruction.
7897         * config/visium/visium.md (cpu): Move around.
7898         (length): Adjust for the GR6.
7899
7900 2019-02-15  Richard Biener  <rguenther@suse.de>
7901             Jakub Jelinek  <jakub@redhat.com>
7902
7903         PR tree-optimization/89278
7904         * tree-loop-distribution.c: Include tree-eh.h.
7905         (generate_memset_builtin, generate_memcpy_builtin): Call
7906         rewrite_to_non_trapping_overflow on builtin->size before passing it
7907         to force_gimple_operand_gsi.
7908
7909 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7910
7911         PR other/89342
7912         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7913         optimize_debug.
7914         * opth-gen.awk: Likewise.
7915
7916 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7917
7918         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7919         Enable MMX, SSE and SSE2 by default.
7920         * config/i386/i386.c (ix86_option_override_internal): Do not
7921         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7922
7923 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7924
7925         PR rtl-optimization/89354
7926         * combine.c (make_extraction): Punt if extraction_mode is narrower
7927         than len bits.
7928
7929 2019-02-14  Maya Rashish  <coypu@sdf.org>
7930
7931         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7932         * config/netbsd-d.c: New file.
7933         * config/t-netbsd: Add netbsd-d.o
7934
7935 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7936
7937         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7938         affects_type_identity to true for aarch64_vector_pcs.
7939         (aarch64_comp_type_attributes): New function.
7940         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7941
7942 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7943
7944         PR target/88850
7945         * config/arm/iterators.md (ANY64): Add V4HF.
7946
7947 2019-02-14  Martin Liska  <mliska@suse.cz>
7948
7949         PR rtl-optimization/89242
7950         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7951         process a transformation.
7952
7953 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7954
7955         PR tree-optimization/89314
7956         * fold-const.c (fold_binary_loc): Cast strlen argument to
7957         const char * before dereferencing it.  Formatting fixes.
7958
7959         PR middle-end/89284
7960         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7961
7962 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7963
7964         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7965         and set current index for other optimizations.
7966
7967 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7968
7969         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7970         nonimmediate_operand as operand 2 predicate.
7971         (vec_set<VF2_512_256:mode>_0): Ditto.
7972         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7973         (*vec_concatv2si): Remove alternative 2.
7974         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7975         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7976         (vec_concatv2di): Split alternatives 4,5,6 to ...
7977         (*vec_concatv2di_0) ... new pattern.
7978
7979 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7980
7981         PR target/89190
7982         * config/arm/arm.c (ldm_stm_operation_p) Set
7983         addr_reg_in_reglist correctly for first register.
7984         (load_multiple_sequence): Remove dead base check.
7985         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7986
7987 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7988
7989         PR target/88847
7990         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7991         Expose as @aarch64_pred_mov.
7992         * config/aarch64/aarch64.c (aarch64_classify_address):
7993         Use expand_insn which legitimizes operands.
7994
7995 2019-02-13  Martin Liska  <mliska@suse.cz>
7996
7997         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7998         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7999         and pointer_offset fields.
8000         (initialize_argument_information): Remove usage of dead
8001         fields.
8002         * cgraph.h (struct cgraph_thunk_info): Remove
8003         add_pointer_bounds_args.
8004         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8005         fields.
8006         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8007         fields.
8008         * config/i386/i386.c (ix86_function_arg_advance): Remove
8009         unrelated comment.
8010         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8011         (def_builtin):  Remove usage of dead
8012         fields.
8013         (ix86_add_new_builtins): Likewise.
8014         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8015         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8016         (sem_function::init): Likewise.
8017         (sem_variable::merge): Likewise.
8018         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8019         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8020         * lto-cgraph.c (lto_output_node): Likewise.
8021         (lto_output_varpool_node): Likewise.
8022         (input_node): Likewise.
8023         (input_varpool_node): Likewise.
8024         * lto-streamer-out.c (lto_output): Likewise.
8025         * tree-inline.c (expand_call_inline): Remove usage of
8026         assign_stmts.
8027         * tree-inline.h (struct copy_body_data): Likewise.
8028         * varpool.c (varpool_node::dump): Likewise.
8029
8030 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8031
8032         PR middle-end/89303
8033         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8034         into pt->vars_contains_escaped_heap instead of setting
8035         pt->vars_contains_escaped_heap to it.
8036
8037         PR middle-end/89281
8038         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8039         INTVAL (size), compare it to GET_MODE_MASK instead of
8040         1 << GET_MODE_BITSIZE.
8041
8042         PR target/89290
8043         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8044         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8045         -mcmodel=large.
8046
8047 2019-02-13  Martin Liska  <mliska@suse.cz>
8048
8049         PR lto/88858
8050         * cfgrtl.c (remove_barriers_from_footer): New function.
8051         (try_redirect_by_replacing_jump): Use it.
8052         (cfg_layout_redirect_edge_and_branch): Likewise.
8053
8054 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8055
8056         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8057         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8058         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8059         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8060         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8061         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8062         New BU_CRYPTO_2.
8063         * config/rs6000/rs6000.c (builtin_function_type)
8064         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8065         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8066         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8067         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8068         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8069
8070 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8071
8072         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8073         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8074
8075 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8076
8077         PR target/89229
8078         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8079         268678 and revision 268657.
8080         (*movti_internal): Likewise.
8081
8082 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8083
8084         PR target/89233
8085         * config/s390/s390.c (s390_decompose_address): Update comment.
8086         (s390_check_qrst_address): Reject invalid address forms after
8087         LRA.
8088
8089 2019-02-12  Martin Liska  <mliska@suse.cz>
8090
8091         PR lto/88876
8092         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8093         we need default values of funct_state for a function that
8094         is not optimized.
8095
8096 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8097
8098         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8099         the object to pick the size of stores on strict-alignment platforms.
8100
8101         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8102         (*movdi_insn_sp32): Likewise.
8103         (*movdi_insn_sp64): Likewise.
8104
8105 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8106
8107         PR lto/88677
8108         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8109         types that needs constructiong.
8110         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8111
8112 2019-02-12  Richard Biener  <rguenther@suse.de>
8113
8114         PR tree-optimization/89253
8115         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8116         duplicate the loop.
8117
8118 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8119
8120         PR lto/88147
8121         * input.c (selftest::test_line_offset_overflow): New selftest.
8122         (selftest::input_c_tests): Call it.
8123
8124 2019-02-11  Martin Sebor  <msebor@redhat.com>
8125
8126         PR tree-optimization/88771
8127         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8128         when -Wstringop-overflow is set.
8129         (builtin_memref::builtin_memref): Adjust excessive upper bound
8130         only when lower bound is not excessive.
8131         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8132         -Wstringop-ovefflow.
8133         (maybe_diag_offset_bounds): Rename...
8134         (maybe_diag_access_bounds): ...to this.
8135         (check_bounds_or_overlap): Adjust for name change above.
8136
8137 2019-02-11  Martin Sebor  <msebor@redhat.com>
8138
8139         PR c++/87996
8140         * builtins.c (max_object_size): Move from here...
8141         * builtins.h (max_object_size): ...and here...
8142         * tree.c (max_object_size): ...to here...
8143         * tree.h (max_object_size): ...and here.
8144
8145 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8146
8147         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8148         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8149         for correct semantics.
8150
8151 2019-02-11  Alan Modra  <amodra@gmail.com>
8152
8153         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8154         -mlongcall and -mpltseq.
8155         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8156         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8157         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8158         * config/rs6000/sysv4.opt (mpltseq): New option.
8159         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8160         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8161         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8162         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8163         -mpltseq given for ELFv1.
8164         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8165         Only use UNSPEC_PLTSEQ for inline PLT calls.
8166         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8167         use UNSPEC_PLTSEQ for inline PLT calls.
8168         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8169         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8170         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8171         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8172         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8173         (pltseq_mtctr_<mode>): Likewise.
8174
8175 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8176
8177         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8178         Solaris ld.
8179         * configure: Regenerate.
8180
8181 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8182
8183         PR bootstrap/88714
8184         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8185         instead of r.
8186
8187 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8188
8189         * function.c (assign_parm_setup_block): Use the stored
8190         size, not the passed size, when allocating stack-space,
8191         also for a parameter with alignment larger than
8192         MAX_SUPPORTED_STACK_ALIGNMENT.
8193
8194 2019-02-11  Martin Liska  <mliska@suse.cz>
8195
8196         PR ipa/89009
8197         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8198         * ipa-inline.c (inline_small_functions): Likewise.
8199         * ipa-pure-const.c (propagate_pure_const): Likewise.
8200         (propagate_nothrow): Likewise.
8201         * ipa-reference.c (propagate): Likewise.
8202         * ipa-utils.c (struct searchc_env): Remove unused field.
8203         (searchc): Always search across AVAIL_INTERPOSABLE.
8204         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8205         the only called IPA pure const can properly not propagate
8206         across interposable boundary.
8207         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8208
8209 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8210
8211         * config/nds32/nds32.md (call_internal, call_value_internal,
8212         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8213
8214 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8215
8216         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8217         typo.
8218
8219 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8220
8221         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8222         in comments
8223
8224 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8225
8226         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8227
8228 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8229
8230         PR tree-optimization/89268
8231         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8232         if preds is non-NULL.
8233
8234 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8235
8236         PR lto/89272
8237         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8238         polymorphic types.
8239
8240 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8241
8242         * config/nds32/nds32.md (trap): New pattern.
8243
8244 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8245
8246         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8247         dwarf span.
8248
8249 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8250
8251         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8252         to split POST_INC.
8253
8254 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8255
8256         * ipa-visibility.c (localize_node): Also do not localize
8257         LDPR_PREVAILING_DEF_IRONLY_EXP.
8258
8259 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8260
8261         PR lto/87957
8262         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8263         instead of type_with_linkage.
8264
8265 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8266
8267         PR ipa/88755
8268         * params.def (uninlined-function-insns, uninlined-function-time,
8269         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8270         bound so we don't get overflows.
8271
8272 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8273
8274         * config/rs6000/rs6000-string.c (expand_compare_loop,
8275         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8276         memcmp/strncmp.
8277
8278 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8279
8280         PR middle-end/89246
8281         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8282         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8283         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8284
8285 2019-02-09  Alan Modra  <amodra@gmail.com>
8286
8287         PR target/88343
8288         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8289         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8290         setup.
8291
8292 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8293
8294         PR middle-end/88560
8295         * lra-constraints.c (process_alt_operands): Don't increase reject
8296         for memory when offset memory is required.
8297
8298 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8299
8300         * config/s390/vector.md: Implement vector copysign.
8301
8302 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8303
8304         * expr.c (expand_constructor): Correct indentations.
8305
8306 2019-02-08  Richard Biener  <rguenther@suse.de>
8307
8308         PR tree-optimization/89247
8309         * tree-if-conv.c: Include tree-cfgcleanup.h.
8310         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8311         (tree_if_conversion): Pass through predicate vector.
8312         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8313         inline, see if any if-converted loops we refrece in
8314         LOOP_VECTORIZED calls vanished and fixup.
8315         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8316
8317 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8318
8319         * config/s390/constraints.md (jdd): New constraint.
8320
8321 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8322
8323         PR target/89229
8324         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8325         upper 16 vector registers without TARGET_AVX512VL.
8326         (*movti_internal): Likewise.
8327
8328 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8329
8330         PR rtl-optimization/89234
8331         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8332         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8333         (copy_reg_eh_region_note_backward): Likewise.
8334
8335 2019-02-08  Richard Biener  <rguenther@suse.de>
8336
8337         PR middle-end/89223
8338         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8339         doesn't fit in HWI.
8340         (analyze_subscript_affine_affine): Handle failure from
8341         initialize_matrix_A.
8342
8343 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8344
8345         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8346         cfun everywhere.
8347
8348 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8349
8350         PR tree-optimization/86637
8351         PR tree-optimization/89235
8352         * tree-vect-loop.c (optimize_mask_stores): Add an
8353         auto_purge_vect_location sentinel to ensure that vect_location is
8354         purged on exit.
8355         * tree-vectorizer.c
8356         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8357         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8358         to ensure that vect_location is purged on exit.
8359         (pass_slp_vectorize::execute): Likewise, replacing the manual
8360         reset.
8361         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8362
8363 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8364
8365         * config/aarch64/iterators.md (max_opp): New code_attr.
8366         (USMAX): New code iterator.
8367         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8368         (aarch64_smax): Likewise.
8369         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8370         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8371         MINUS (MAX MIN).
8372
8373 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8374
8375         PR target/89229
8376         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8377         for TARGET_AVX512VL.
8378         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8379
8380 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8381
8382         * config/s390/s390-builtin-types.def: Add new types.
8383         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8384         (s390_vec_xlw4): Make the memory operand into a const pointer.
8385         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8386         float.
8387         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8388         a new vector type with the alignment of the scalar memory operand.
8389
8390 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8391             Jakub Jelinek  <jakub@redhat.com>
8392
8393         PR bootstrap/88714
8394         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8395         arm_count_ldrdstrd_insns): New declarations.
8396         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8397         MINUS.
8398         (valid_operands_ldrd_strd): New function.
8399         (arm_count_ldrdstrd_insns): New function.
8400         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8401         sets instead of single DImode set and define new insns to match this.
8402
8403 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8404
8405         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8406         Make it a C initializer.
8407
8408 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8409
8410         PR/target 88850
8411         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8412
8413 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8414
8415         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8416         Use neon_dot<q> for type.
8417         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8418
8419 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8420
8421         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8422         Use neon_dot<q> for type.
8423         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8424         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8425
8426 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8427
8428         PR rtl-optimization/89225
8429         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8430         sizes check.
8431
8432 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8433
8434         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8435         after restoring registers saved to allocate the frame on Windows.
8436
8437 2019-02-06  Richard Biener  <rguenther@suse.de>
8438
8439         PR tree-optimization/89182
8440         * graphite.h (cached_scalar_evolution_in_region): Declare.
8441         * graphite.c (struct seir_cache_key): New.
8442         (struct sese_scev_hash): Likewise.
8443         (seir_cache): New global.
8444         (cached_scalar_evolution_in_region): New function.
8445         (graphite_transform_loops): Allocate and release seir_cache.
8446         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8447         cached_scalar_evolution_in_region.
8448         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8449         Simplify.
8450         (scop_detection::graphite_can_represent_expr: Use
8451         cached_scalar_evolution_in_region.
8452         (scop_detection::stmt_simple_for_scop_p): Likewise.
8453         (find_params_in_bb): Likewise.
8454         (gather_bbs::before_dom_children): Likewise.
8455         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8456         (add_loop_constraints): Likewise.
8457
8458 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8459
8460         PR middle-end/89210
8461         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8462         operand to new_unary_operation only if both element types are integral
8463         and it isn't a widening conversion.  Return NULL_TREE if
8464         new_unary_operation failed.
8465
8466 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8467
8468         PR target/88856
8469         * config/s390/s390.md: Remove load and test FP splitter.
8470
8471 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8472
8473         PR target/89112
8474         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8475         expand_compare_loop, expand_block_compare_gpr,
8476         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8477         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8478         #include "profile-count.h" and "predict.h" for types and functions
8479         needed to work with REG_BR_PROB notes.
8480
8481 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8482
8483         PR target/89112
8484         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8485         for the long branch case.
8486
8487 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8488
8489         PR target/89188
8490         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8491         can throw, non-call exceptions are enabled and we can't delete
8492         dead exceptions or alter cfg.  Set must_clean if
8493         delete_insn_and_edges returns true, don't set it blindly for calls.
8494         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8495
8496         PR rtl-optimization/89195
8497         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8498         of the original MEM.
8499
8500 2019-02-05  Martin Liska  <mliska@suse.cz>
8501
8502         PR gcov-profile/89000
8503         * gcov.c (function_summary): Remove argument.
8504         (file_summary): New function.
8505         (print_usage): Replace tabs with spaces.
8506         (generate_results): Use new function file_summary.
8507
8508 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8509
8510         PR target/89186
8511         * optabs.c (prepare_cmp_insn): Pass x and y to
8512         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8513
8514 2019-02-05  Richard Biener  <rguenther@suse.de>
8515
8516         PR middle-end/89150
8517         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8518         (struct bitmap_element): Drop chain_prev so we properly recurse on
8519         the prev member, supporting tree views.
8520         (struct bitmap_head): GTY skip the obstack member.
8521
8522 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8523
8524         PR c/88698
8525         * doc/extend.texi (Vector Extensions): Add an example of using vector
8526         types together with x86 intrinsics.
8527
8528 2019-02-04  Alan Modra  <amodra@gmail.com>
8529
8530         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8531         str[] size to 160, and comment.
8532
8533 2019-02-04  Alan Modra  <amodra@gmail.com>
8534
8535         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8536         (rs6000_pltseq_template): Guard output of TLS markers with
8537         TARGET_TLS_MARKERS.
8538         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8539         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8540         to use inline PLT sequences.
8541         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8542         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8543         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8544
8545 2019-02-04  Martin Liska  <mliska@suse.cz>
8546
8547         PR ipa/88985
8548         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8549         out when ipa_fn_summaries does not contain entry for callee.
8550
8551 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8552
8553         * config/sparc/sparc.h: Remove superfluous blank lines.
8554         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8555         (got_register_rtx): ...this.
8556         (sparc_got): Adjust to above renaming.
8557         (sparc_tls_got): Likewise.
8558         (sparc_delegitimize_address): Likewise.
8559         (sparc_output_mi_thunk): Likewise.
8560         (sparc_init_pic_reg): Likewise.
8561         (save_local_or_in_reg_p): Fix test on the GOT register.
8562         (USE_HIDDEN_LINKONCE): Move around.
8563         (get_pc_thunk_name): Likewise.
8564         (gen_load_pcrel_sym): Likewise.
8565         (load_got_register): Likewise.
8566
8567 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8568
8569         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8570         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8571
8572 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8573
8574         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8575         into consideration.
8576
8577 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8578
8579         * config.gcc (with_nds32_lib, glibc):
8580         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8581         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8582         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8583
8584 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8585
8586         PR target/89071
8587         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8588         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8589         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8590         (*rcpsf2_sse): Ditto.
8591         (*rsqrtsf2_sse): Ditto.
8592         (sse4_1_round<mode<2): Ditto.
8593
8594 2019-02-03  Richard Biener  <rguenther@suse.de>
8595
8596         PR debug/87295
8597         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8598         orig.
8599
8600 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8601
8602         PR middle-end/87887
8603         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8604         Punt with warning on aggregate return or argument types.  Ignore
8605         type/mode checking for uniform arguments.
8606
8607 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8608
8609         * combine.c (try_combine): Do not print "Can't combine" messages unless
8610         printing failed combination attempts.
8611
8612 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8613
8614         PR hsa/87863
8615         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8616         segment and global segment variables before making them static.
8617
8618 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8619
8620         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8621         missed optimization dump with dump_enabled_p.
8622
8623 2019-02-01  Richard Biener  <rguenther@suse.de>
8624
8625         PR middle-end/88597
8626         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8627         the instantiate cache.
8628         (instantiate_scev_binary): Elide second operand procesing
8629         if equal to the first.
8630         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8631         (chrec_contains_undetermined): Likewise.
8632         (tree_contains_chrecs): Likewise.
8633
8634 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8635
8636         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8637
8638 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8639
8640         PR tree-optimization/89143
8641         * wide-int-range.h (wide_int_range_absu): Declare.
8642         * wide-int-range.cc (wide_int_range_absu): New function.
8643         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8644
8645         PR tree-optimization/88107
8646         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8647         instead of assertion that eh_region_outermost is non-NULL, if it
8648         is NULL, set *ALL to true and return NULL.
8649         (move_sese_region_to_fn): Adjust caller, if all is set, call
8650         duplicate_eh_regions with NULL region.
8651
8652 2019-02-01  Richard Biener  <rguenth@suse.de>
8653
8654         PR rtl-optimization/88593
8655         * mode-switching.c (optimize_mode_switching): Free dominators before
8656         calling cleanup_cfg.
8657
8658 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8659
8660         PR tree-optimization/88932
8661         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8662
8663 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8664
8665         PR middle-end/89137
8666         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8667         bogus clang warning.
8668
8669 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8670
8671         PR target/89071
8672         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8673         alternative to avoid partial SSE register stall for TARGET_AVX.
8674         (truncdfsf2): Ditto.
8675         (sse4_1_round<mode>2): Ditto.
8676
8677 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8678
8679         PR tree-optimization/89008
8680         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8681         process anything of the form X * 0.
8682
8683 2019-01-31  Richard Biener  <rguenther@suse.de>
8684
8685         PR tree-optimization/89135
8686         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8687         with abnormal preds.
8688
8689 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8690
8691         PR sanitizer/89124
8692         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8693         always_inline callees into no_sanitize_address callers.
8694
8695 2019-01-31  Richard Biener  <rguenther@suse.de>
8696
8697         PR rtl-optimization/89115
8698         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8699
8700 2019-01-30  Martin Sebor  <msebor@redhat.com>
8701
8702         PR other/89106
8703         * doc/extend.texi (cast to a union): Correct and expand.
8704
8705 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8706
8707         PR rtl-optimization/87246
8708         * lra-constraints.c (simplify_operand_subreg): Reload memory
8709         in subreg if the address became invalid.
8710
8711 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8712
8713         PR target/87064
8714         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8715         Disable for little-endian.
8716
8717 2019-01-30  Richard Biener  <rguenther@suse.de>
8718
8719         PR rtl-optimization/89115
8720         * opts.c (default_options_optimization): Reduce
8721         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8722         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8723         to the default.
8724
8725 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8726
8727         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8728         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8729         type of vector element when vec_extract is implemented by direct
8730         move.
8731
8732 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8733
8734         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8735
8736 2019-01-30  Richard Biener  <rguenther@suse.de>
8737
8738         PR tree-optimization/89111
8739         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8740         canonicalization to appropriately sized access types.
8741
8742 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8743
8744         PR c++/89105
8745         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8746         for arguments to functions that are TU-local and shouldn't be
8747         referenced by assembly.
8748
8749 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8750
8751         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8752         after '='.
8753
8754 2019-01-29  Martin Sebor  <msebor@redhat.com>
8755
8756         PR c/88956
8757         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8758
8759 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8760
8761         PR c++/66676
8762         PR ipa/89104
8763         * omp-simd-clone.c (simd_clone_clauses_extract)
8764         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8765         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8766
8767 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8768
8769         * config.gcc: Force .init_array for ARC.
8770
8771 2019-01-29  Richard Biener  <rguenther@suse.de>
8772
8773         PR debug/87295
8774         * dwarf2out.c (collect_skeleton_dies): New helper.
8775         (copy_decls_for_unworthy_types): Call it.
8776         (build_abbrev_table): Assert we do not try to replace
8777         DW_AT_signature refs with local refs.
8778
8779 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8780
8781         PR middle-end/89002
8782         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8783         for lastprivate/linear IV, push gimplify context around gimplify_assign
8784         and, if it needed any temporaries, pop it into a gimple bind around the
8785         sequence.
8786
8787 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8788
8789         * common.opt (-Wattribute-alias): Remove "no-" from name.
8790         Make -Wattribute-alias command line option and
8791         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8792
8793 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8794
8795         PR target/89073
8796         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8797         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8798         x86 ISA options.
8799         (bmi2): Add missing @opindex.
8800         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8801         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8802         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8803         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8804         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8805         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8806         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8807         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8808         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8809         xsavec, xsaveopt and xsaves options.
8810
8811 2019-01-28  Richard Biener  <rguenther@suse.de>
8812
8813         PR debug/89076
8814         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8815         support removal.
8816
8817 2019-01-28  Richard Biener  <rguenther@suse.de>
8818
8819         PR tree-optimization/88739
8820         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8821         BIT_FIELD_REFs only are applied to mode-precision operands
8822         when they are integral.
8823         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8824         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8825         BIT_FIELD_REFs of non-mode-precision integral operands.
8826
8827 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8828
8829         PR target/87214
8830         * config/i386/sse.md
8831         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8832         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8833         first constants in pairs are multiples of 2.  Formatting fixes.
8834         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8835         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8836         first constants in each quadruple are multiples of 4.  Formatting fixes.
8837
8838 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8839
8840         PR ipa/88933
8841         * tree-inline.c: Include tree-cfgcleanup.h.
8842         (delete_unreachable_blocks_update_callgraph): Move...
8843         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8844         ...here, make externally visible, make second argument bool, adjust
8845         all callers.
8846         * tree-cfgcleanup.c: Include cgraph.h.
8847         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8848         Declare.
8849         * ipa-prop.c: Include tree-cfgcleanup.h.
8850         (ipcp_transform_function): Call
8851         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8852
8853 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8854
8855         PR rtl-optimization/88846
8856         * ira.c (process_set_for_memref_referenced_p): New.
8857         (memref_referenced_p): Add new param.  Use
8858         process_set_for_memref_referenced_p.  Add new switch cases.
8859         (memref_used_between_p): Pass new arg to memref_referenced_p.
8860
8861 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8862
8863         PR target/88469
8864         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8865         argument ABI_BREAK.  Set to true if the calculated alignment has
8866         changed in gcc-9.  Check bit-fields for their base type alignment.
8867         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8868         (aarch64_function_arg_boundary): Likewise.
8869         (aarch64_gimplify_va_arg_expr): Likewise.
8870
8871 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8872
8873         PR middle-end/89037
8874         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8875         instead of accessing TREE_INT_CST_ELT directly.
8876
8877 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8878
8879         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8880         fenv_exceptions description.
8881
8882 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8883
8884         PR rtl-optimization/87763
8885         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8886         Allow SUBREG when matching CC_NZmode compare.
8887
8888 2019-01-25  Richard Biener  <rguenther@suse.de>
8889
8890         PR tree-optimization/89049
8891         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8892         Look at the pattern stmt to determine if the stmt is vectorized.
8893
8894 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8895
8896         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8897         (pred_mov<mode>): Handle all-register forms using both a new
8898         alternative and a split.
8899
8900 2019-01-25  Richard Biener  <rguenther@suse.de>
8901
8902         PR tree-optimization/86865
8903         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8904         Reject non-do-while loops.
8905
8906 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8907
8908         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8909         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8910         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8911         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8912         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8913         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8914         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8915         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8916         vlogical_operand, gpc_reg_operand, int_reg_operand,
8917         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8918         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8919         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8920         (save_world_operation, restore_world_operation, lmw_operation,
8921         stmw_operation): Use MEM_P and REG_P.
8922         (tie_operand): Use MEM_P.
8923         (vrsave_operation, crsave_operation): Use REG_P.
8924         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8925         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8926         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8927         (call_operand): Use HARD_REGISTER_P.
8928         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8929         Use CONST_INT_P.
8930         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8931         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8932         quad_aligned_load_p, replace_swapped_aligned_store,
8933         recombine_lvx_pattern, replace_swapped_aligned_load,
8934         recombine_stvx_pattern): Use MEM_P.
8935         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8936         Use MEM_P and SYMBOL_REF_P.
8937         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8938         (insn_is_swappable_p): Use REG_P and MEM_P.
8939         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8940         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8941         Use CONST_INT_P.
8942         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8943         Use CONST_DOUBLE_P.
8944         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8945         CONST_WIDE_INT_P.
8946         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8947         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8948         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8949         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8950         reg_or_subregno:
8951         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8952         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8953         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8954         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8955         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8956         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8957         rs6000_split_logical_di): Use CONST_INT_P.
8958         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8959         REG_P and SYMBOL_REF_P.
8960         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8961         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8962         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8963         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8964         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8965         (small_data_operand, print_operand_address): Use CONST_INT_P and
8966         SYMBOL_REF_P.
8967         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8968         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8969         Use HARD_REGISTER_NUM_P.
8970         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8971         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8972         SUBREG_P and SYMBOL_REF_P.
8973         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8974         and HARD_REGISTER_NUM_P.
8975         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8976         reg_or_subregno.
8977         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8978         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8979         MEM_P and REG_P.
8980         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8981         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8982         find_addr_reg): Use REG_P.
8983         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8984         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8985         (offsettable_ok_by_alignment, constant_pool_expr_p,
8986         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8987         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8988         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8989         rs6000_assemble_integer, create_TOC_reference,
8990         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8991         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8992         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8993         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8994         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8995         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8996         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8997         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8998         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8999         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9000         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9001         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9002         and cbranch<mode>4): Use CONST_INT_P.
9003         (multiple define_splits): Use REG_P and SUBREG_P.
9004         (define_expands call, call_value): Use MEM_P.
9005         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9006         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9007         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9008         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9009         and HARD_REGISTER_NUM_P.
9010         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9011
9012 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9013
9014         PR rtl-optimization/88948
9015         * rtl.h (prepare_copy_insn): New prototype.
9016         * gcse.c (prepare_copy_insn): New function, split out from
9017         process_insert_insn.
9018         (process_insert_insn): Use prepare_copy_insn.
9019         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9020         instead of gen_move_insn.
9021
9022 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9023
9024         PR debug/89006
9025         * config/i386/i386.c (ix86_pic_register_p): Return true for
9026         UNSPEC_SET_GOT too.
9027
9028         PR tree-optimization/88964
9029         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9030         punt if HONOR_SNANS (chrec).
9031
9032         PR middle-end/89015
9033         * tree-nested.c (convert_nonlocal_reference_stmt,
9034         convert_local_reference_stmt, convert_tramp_reference_stmt,
9035         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9036         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9037         or GIMPLE_OMP_TASK.
9038
9039         PR tree-optimization/89027
9040         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9041         for "omp simd array" variables.
9042
9043 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9044
9045         PR target/88469
9046         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9047         force the alignment of m_val.
9048
9049 2019-01-24  Richard Biener  <rguenther@suse.de>
9050
9051         PR lto/87187
9052         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9053         When in "legacy" debug mode make sure to reset self-origins.
9054
9055 2019-01-24  Martin Liska  <mliska@suse.cz>
9056
9057         PR gcov-profile/88994
9058         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9059         result will be always smaller or equal to the original.
9060         * gcov.c (mangle_name): Fix else branch where we should
9061         also copy to PTR and shift the pointer.
9062
9063 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9064
9065         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9066         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9067
9068 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9069
9070         * common/config/i386/i386-common.c
9071         (OPTION_MASK_ISA_ENQCMD_SET,
9072         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9073         (ix86_handle_option): Handle -menqcmd.
9074         * config.gcc (enqcmdintrin.h): New header file.
9075         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9076         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9077         -menqcmd.
9078         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9079         function type.
9080         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9081         __builtin_ia32_enqcmds): New builtins.
9082         * config/i386/i386-c.c (__ENQCMD__): New macro.
9083         * config/i386/i386-option.c (ix86_target_string): Add
9084         -menqcmd.
9085         (ix86_valid_target_attribute_inner_p): Likewise.
9086         * config/i386/i386-expand.c
9087         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9088         IX86_BUILTIN_ENQCMDS.
9089         * config/i386/i386.h (TARGET_ENQCMD): New.
9090         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9091         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9092         (movdir64b_<mode>): Parameterize to enable share expansion code
9093         with ENQCMD in function ix86_expand_builtin.
9094         * config/i386/i386.opt: Add -menqcmd.
9095         * config/i386/immintrin.h: Include enqcmdintrin.h.
9096         * config/i386/enqcmdintrin.h: New intrinsic file.
9097         * doc/invoke.texi: Add -menqcmd.
9098
9099 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9100             Steve Ellcey <sellcey@marvell.com>
9101
9102         PR target/85711
9103         * recog.c (address_operand): Return false on wrong mode for address.
9104         (constrain_operands): Check for mode with 'p' constraint.
9105
9106 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9107
9108         PR target/88998
9109         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9110         Disparage MMX alternative.
9111         (sse2_cvtpd2pi): Ditto.
9112         (sse2_cvttpd2pi): Ditto.
9113
9114 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9115
9116         PR driver/89014
9117         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9118         use-after-free of the result of
9119         aarch64_get_extension_string_for_isa_flags.
9120
9121 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9122
9123         PR c/44715
9124         * doc/extend.texi: Document break and continue behavior in
9125         statement expressions.
9126
9127 2019-01-23  Richard Biener  <rguenther@suse.de>
9128
9129         PR tree-optimization/89008
9130         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9131         not leave another stray operand.
9132
9133 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9134
9135         * BASE-VER: Bump to 9.0.1.
9136
9137 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9138
9139         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9140         thunk that returns by reference, use the type of the return object
9141         of the thunk instead of that of the alias to build the dereference.
9142
9143 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9144
9145         * config/arc/atomic.md: Add operand to DMB instruction.
9146
9147 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9148
9149         PR tree-optimization/88964
9150         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9151         build_zero_cst instead of build_int_cst.  Return false for loop
9152         invariants which honor signed zeros.
9153
9154 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9155
9156         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9157
9158 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9159
9160         PR target/88965
9161         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9162         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9163         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9164
9165         PR middle-end/88968
9166         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9167         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9168
9169         PR target/87064
9170         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9171         Disable for little endian.
9172
9173 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9174
9175         PR target/88469
9176         * config/arm/arm.c (arm_needs_double_word_align): Check
9177         DECL_BIT_FIELD_TYPE.
9178
9179 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9180             H.J. Lu  <hongjiu.lu@intel.com>
9181
9182         PR target/88909
9183         * config/i386/i386-builtin.def: Add mask2 to all builtin
9184         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9185         SPECIAL_ARGS.
9186         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9187         (BDESC_FIRST): Likewise.
9188         (define_builtin): Add an argument for mask2.  Updated to handle
9189         both ix86_isa_flags and ix86_isa_flags2.
9190         (define_builtin_const): Likewise.
9191         (define_builtin_pure): Likewise.
9192         (define_builtin2): Deleted.
9193         (define_builtin_const2): Likewise.
9194         (builtin_description): Add a member, mask2.
9195         (bdesc_*): Add mask2 to builtin initializations.
9196         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9197         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9198         support.
9199         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9200
9201 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9202
9203         PR target/88954
9204         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9205         noplt attribute.
9206
9207 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9208
9209         PR target/88469
9210         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9211         alignment is dominated by a bitfield with 64-bit aligned base type.
9212         (arm_function_arg): Emit a warning if the alignment has changed since
9213         earlier GCC releases.
9214         (arm_function_arg_boundary): Likewise.
9215         (arm_setup_incoming_varargs): Likewise.
9216
9217 2019-01-22  Richard Biener  <rguenther@suse.de>
9218
9219         PR tree-optimization/88862
9220         * graphite-scop-detection.c
9221         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9222
9223 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9224
9225         * doc/extend.tex (AMD GCN Function Attributes): New section.
9226         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9227         * doc/invoke.texi (AMD GCN Options): New section.
9228         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9229
9230 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9231
9232         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9233         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9234
9235 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9236
9237         PR tree-optimization/88044
9238         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9239         is false in the first iteration, but !every_iteration, return false
9240         instead of true with niter->niter zero.
9241
9242         PR rtl-optimization/88904
9243         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9244         any nonequal registers before processing BB_END (b).
9245
9246         PR target/88905
9247         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9248         GET_MODE (op0).
9249         (expand_binop_directly, expand_doubleword_clz,
9250         expand_doubleword_popcount, expand_ctz, expand_ffs,
9251         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9252
9253         PR rtl-optimization/49429
9254         PR target/49454
9255         PR rtl-optimization/86334
9256         PR target/88906
9257         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9258         addressable from here...
9259         (emit_block_op_via_libcall): ... to here.
9260
9261 2019-01-22  Richard Biener  <rguenther@suse.de>
9262
9263         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9264         auto_vec for cost vector to fix memleak.
9265         (vectorize_fold_left_reduction): Properly gather SLP defs.
9266         (vectorizable_comparison): Do not swap operands to properly
9267         gather SLP defs.
9268
9269 2019-01-22  Alan Modra  <amodra@gmail.com>
9270
9271         PR target/88614
9272         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9273         stays a reg.  Allow a const_int.
9274         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9275         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9276         (IS_NOMARK_TLSGETADDR): Define.
9277         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9278         (rs6000_output_tlsargs): New function.
9279         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9280         __tls_get_addr call takes an arg.
9281         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9282         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9283         delete split..
9284         (call_value_nonlocal_sysv): ..or here, delete split.
9285         (tls_gdld_nomark): Delete.
9286         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9287         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9288         (call_value_nonlocal_sysv): Likewise.
9289         (call_value_nonlocal_sysv_secure): Likewise.
9290         (call_value_nonlocal_aix): Likewise.
9291         (call_value_indirect_aix): Likewise.
9292         (call_value_indirect_elfv2): Likewise.
9293         (call_value_local32, call_value_local64): Disable for no-mark tls.
9294         (call_value_local_aix): Likewise.
9295
9296 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9297
9298         PR target/88938
9299         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9300         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9301
9302 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9303
9304         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9305         string contents as hash_map keys.
9306
9307 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9308
9309         PR c/88928
9310         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9311         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9312         instead of TYPE_ALIGN.
9313         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9314         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9315         pointer from TYPE_STUB_DECL.
9316
9317 2019-01-21  Richard Biener  <rguenther@suse.de>
9318
9319         PR tree-optimization/88934
9320         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9321         at the possibly non-constant operand.
9322         (vect_get_constant_vectors): Adjust.
9323
9324 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9325
9326         PR target/71659
9327         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9328         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9329         instead of _X86INTRIN_H_INCLUDED.
9330         * onfig/i386/clwbintrin.h: Likewise.
9331         * config/i386/pkuintrin.h: Likewise.
9332         * config/i386/prfchwintrin.h: Likewise.
9333         * config/i386/rdseedintrin.h: Likewise.
9334         * config/i386/wbnoinvdintrin.h: Likewise.
9335         * config/i386/xsavecintrin.h: Likewise.
9336         * config/i386/xsavesintrin.h: Likewise.
9337         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9338         * config/i386/xsaveintrin.h: Likewise.
9339         * config/i386/xsaveoptintrin.h: Likewise.
9340         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9341         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9342         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9343         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9344         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9345         * config/i386/immintrin.h: Here.
9346
9347 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9348
9349         PR ipa/87615
9350         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9351         with aa_walk_budget.
9352         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9353         aa_walk_budget_p parameter.
9354         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9355         walk.  Updated all callers.
9356         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9357         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9358         unmodified_parm.
9359         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9360         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9361         and to unmodified_parm.
9362         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9363         info, updated call to will_be_nonconstant_expr_predicate.
9364         (param_change_prob): New parameter fbi, limit AA walking.
9365         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9366         calls to various above functions.
9367         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9368         parameter.  Use it to limit AA walking.
9369         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9370         fbi, limit AA walk.
9371         (detect_type_change): New parameter fbi, pass it on to
9372         detect_type_change_from_memory_writes.
9373         (detect_type_change_ssa): Likewise.
9374         (aa_overwalked): Removed.
9375         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9376         accordingly, adjust to the neew AA limiting scheme.
9377         (parm_ref_data_preserved_p): Likewise.
9378         (ipa_compute_jump_functions_for_edge): Adjust call to
9379         get_dynamic_type.
9380         (ipa_analyze_call_uses): Likewise.
9381         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9382         (ipa_analyze_node): Initialize aa_walk_budget.
9383         (ipcp_transform_function): Likewise.
9384         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9385         to get_dynamic_type.
9386
9387 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9388
9389         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9390         outside of #if CHECKING_P code.
9391
9392 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9393
9394         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9395         New function, split out from...
9396         (loop_versioning::analyze_stride): ...here.
9397         (loop_versioning::find_per_loop_multiplication): Use gassign.
9398         (loop_versioning::analyze_term_using_scevs): Return a success code.
9399         (loop_versioning::analyze_arbitrary_term): New function.
9400         (loop_versioning::analyze_address_fragment): Use
9401         analyze_arbitrary_term if all else fails.
9402
9403 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9404
9405         PR target/88892
9406         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9407         operands.
9408
9409 2019-01-18  Richard Biener  <rguenther@suse.de>
9410
9411         PR tree-optimization/88903
9412         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9413         scalar stmts a SLP shift amount is composed of when detecting
9414         shifts by scalars.
9415
9416 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9417
9418         PR target/88799
9419         * config/arm/arm-cpus.in (mp): New feature.
9420         (sec): New feature.
9421         (fgroup ARMv7ve): Add mp and sec features.
9422         (arch armv7-a): Add options to allow mp and sec extensions.
9423         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9424         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9425         extenstions to the base architecture.
9426         (cpu cortex-a8): Add sec extension to the base architecture.
9427         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9428         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9429         variants down to the base v7-a varaint.
9430         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9431         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9432         of permitted extensions for -march=armv7-a and for
9433         -mcpu=generic-armv7-a.
9434
9435 2019-01-18  Martin Liska  <mliska@suse.cz>
9436
9437         * params.def: Fix comment.
9438         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9439         name.
9440         (gimple_gen_ic_func_profiler): Likewise.
9441
9442 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9443
9444         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9445         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9446         and put in error checks for stack protector guard options.
9447         (aarch64_stack_protect_guard): New.
9448         (TARGET_STACK_PROTECT_GUARD): Define.
9449         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9450         (reg_stack_protect_address<mode>): New.
9451         (stack_protect_set): Adjust for SSP_GLOBAL.
9452         (stack_protect_test): Likewise.
9453         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9454         (-mstack-protector-guard): Likewise.
9455         (-mstack-protector-guard-offset): Likewise.
9456
9457 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9458
9459         PR tree-optimization/86214
9460         * tree-inline.h (struct copy_body_data): Add
9461         add_clobbers_to_eh_landing_pads member.
9462         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9463         (copy_edges_for_bb): Call it if EH edge destination is <
9464         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9465         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9466         if flag_stack_reuse != SR_NONE and clear it afterwards.
9467
9468 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9469
9470         PR target/85596
9471         * doc/install.texi (with-multilib-list): Document for aarch64.
9472
9473 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9474
9475         PR target/88734
9476         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9477         (("..."))) with ("...").
9478
9479 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9480
9481         * doc/extend.texi (Built-in Functions for Memory Model Aware
9482         Atomic Operations): Document atomic fetch and nand.
9483
9484 2019-01-18  Martin Liska  <mliska@suse.cz>
9485             Richard Biener  <rguenther@suse.de>
9486
9487         PR middle-end/88587
9488         * cgraph.h (create_version_clone_with_body): Add new argument
9489         with attributes.
9490         * cgraphclones.c (cgraph_node::create_version_clone): Add
9491         DECL_ATTRIBUTES to a newly created decl.  And call
9492         valid_attribute_p so that proper cl_target_optimization_node
9493         is set for the newly created declaration.
9494         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9495         for declaration.
9496         (expand_target_clones): Do not call valid_attribute_p, it must
9497         be already done.
9498         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9499         vector types.
9500
9501 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9502
9503         PR target/88734
9504         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9505         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9506         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9507
9508 2019-01-17  Martin Sebor  <msebor@redhat.com>
9509
9510         PR middle-end/88273
9511         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9512         Handle anti-ranges the same as no range at all.
9513
9514 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9515
9516         * config/aarch64/aarch64.c (cgraph.h): New include.
9517         (intl.h): New include.
9518         (supported_simd_type): New function.
9519         (currently_supported_simd_type): Ditto.
9520         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9521         (aarch64_simd_clone_adjust): Ditto.
9522         (aarch64_simd_clone_usable): Ditto.
9523         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9524         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9525         (TARGET_SIMD_CLONE_USABLE): Ditto.
9526         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9527         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9528         call.
9529
9530 2019-01-17  Martin Sebor  <msebor@redhat.com>
9531
9532         PR tree-optimization/88800
9533         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9534         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9535         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9536         redundant argument.  Add new argument and issue diagnostics under
9537         its control.  Detect out-of-bounds access even with warnings
9538         disabled.
9539         (check_bounds_or_overlap): Change return type.  Add argument.
9540         (wrestrict_dom_walker::check_call): Adjust.
9541         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9542         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9543         check_bounds_or_overlap's return value.
9544         (handle_builtin_stxncpy): Same.
9545         (handle_builtin_strcat): Same.
9546
9547 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9548             Kwok Cheung Yeung  <kcy@codesourcery.com>
9549             Julian Brown  <julian@codesourcery.com>
9550             Tom de Vries  <tom@codesourcery.com>
9551
9552         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9553
9554 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9555
9556         * doc/sourcebuild.texi: Document dg-require-effective-target
9557         llvm_binutils and offload_gcn.
9558
9559 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9560             Kwok Cheung Yeung  <kcy@codesourcery.com>
9561             Julian Brown  <julian@codesourcery.com>
9562             Tom de Vries  <tom@codesourcery.com>
9563
9564         * doc/sourcebuild.texi: Document dg-required-effective-target
9565         exceptions.
9566
9567 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9568             Kwok Cheung Yeung  <kcy@codesourcery.com>
9569             Julian Brown  <julian@codesourcery.com>
9570             Tom de Vries  <tom@codesourcery.com>
9571             Jan Hubicka  <hubicka@ucw.cz>
9572             Martin Jambor  <mjambor@suse.cz>
9573
9574         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9575         * configure.ac: Check for dlopen.
9576         * configure: Regenerate.
9577
9578 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9579             Kwok Cheung Yeung  <kcy@codesourcery.com>
9580             Julian Brown  <julian@codesourcery.com>
9581             Tom de Vries  <tom@codesourcery.com>
9582             Jan Hubicka  <hubicka@ucw.cz>
9583             Martin Jambor  <mjambor@suse.cz>
9584
9585         * common/config/gcn/gcn-common.c: New file.
9586         * config/gcn/driver-gcn.c: New file.
9587         * config/gcn/gcn-builtins.def: New file.
9588         * config/gcn/gcn-hsa.h: New file.
9589         * config/gcn/gcn-modes.def: New file.
9590         * config/gcn/gcn-opts.h: New file.
9591         * config/gcn/gcn-passes.def: New file.
9592         * config/gcn/gcn-protos.h: New file.
9593         * config/gcn/gcn-run.c: New file.
9594         * config/gcn/gcn-tree.c: New file.
9595         * config/gcn/gcn.c: New file.
9596         * config/gcn/gcn.h: New file.
9597         * config/gcn/gcn.opt: New file.
9598         * config/gcn/t-gcn-hsa: New file.
9599
9600 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9601             Kwok Cheung Yeung  <kcy@codesourcery.com>
9602             Julian Brown  <julian@codesourcery.com>
9603             Tom de Vries  <tom@codesourcery.com>
9604             Jan Hubicka  <hubicka@ucw.cz>
9605             Martin Jambor  <mjambor@suse.cz>
9606
9607         * config/gcn/constraints.md: New file.
9608         * config/gcn/gcn-valu.md: New file.
9609         * config/gcn/gcn.md: New file.
9610         * config/gcn/predicates.md: New file.
9611
9612 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9613
9614         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9615         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9616         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9617         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9618
9619 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9620
9621         PR target/88851
9622         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9623         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9624         it and document registers.
9625
9626 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9627
9628         * config/aarch64/aarch64.c (ares_tunings): Define.
9629         * config/aarch64/aarch64-cores.def (ares): Use the above.
9630
9631 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9632
9633         PR target/88794
9634         Revert:
9635         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9636
9637         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9638         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9639         (_mm512_maskz_fixupimm_round_pd): Ditto.
9640         (_mm512_fixupimm_round_ps): Ditto.
9641         (_mm512_maskz_fixupimm_round_ps): Ditto.
9642         (_mm_fixupimm_round_sd): Ditto.
9643         (_mm_maskz_fixupimm_round_sd): Ditto.
9644         (_mm_fixupimm_round_ss): Ditto.
9645         (_mm_maskz_fixupimm_round_ss): Ditto.
9646         (_mm512_fixupimm_pd): Ditto.
9647         (_mm512_maskz_fixupimm_pd): Ditto.
9648         (_mm512_fixupimm_ps): Ditto.
9649         (_mm512_maskz_fixupimm_ps): Ditto.
9650         (_mm_fixupimm_sd): Ditto.
9651         (_mm_maskz_fixupimm_sd): Ditto.
9652         (_mm_fixupimm_ss): Ditto.
9653         (_mm_maskz_fixupimm_ss): Ditto.
9654         (_mm512_mask_fixupimm_round_pd): Update builtin.
9655         (_mm512_mask_fixupimm_round_ps): Ditto.
9656         (_mm_mask_fixupimm_round_sd): Ditto.
9657         (_mm_mask_fixupimm_round_ss): Ditto.
9658         (_mm512_mask_fixupimm_pd): Ditto.
9659         (_mm512_mask_fixupimm_ps): Ditto.
9660         (_mm_mask_fixupimm_sd): Ditto.
9661         (_mm_mask_fixupimm_ss): Ditto.
9662         * config/i386/avx512vlintrin.h:
9663         (_mm256_fixupimm_pd): Update parameters and builtin.
9664         (_mm256_maskz_fixupimm_pd): Ditto.
9665         (_mm256_fixupimm_ps): Ditto.
9666         (_mm256_maskz_fixupimm_ps): Ditto.
9667         (_mm_fixupimm_pd): Ditto.
9668         (_mm_maskz_fixupimm_pd): Ditto.
9669         (_mm_fixupimm_ps): Ditto.
9670         (_mm_maskz_fixupimm_ps): Ditto.
9671         (_mm256_mask_fixupimm_pd): Update builtin.
9672         (_mm256_mask_fixupimm_ps): Ditto.
9673         (_mm_mask_fixupimm_pd): Ditto.
9674         (_mm_mask_fixupimm_ps): Ditto.
9675         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9676         * config/i386/i386-builtin.def: Update builtin definitions.
9677         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9678         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9679         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9680         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9681         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9682         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9683         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9684         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9685         * config/i386/subst.md:
9686         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9687         (round_saeonly_sd_mask_op4): Ditto.
9688         (round_saeonly_expand_operand5): Ditto.
9689         (round_saeonly_expand): Update.
9690
9691 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9692
9693         PR target/88794
9694         Revert:
9695         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9696
9697         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9698         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9699         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9700         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9701         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9702         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9703         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9704
9705 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9706
9707         PR target/88794
9708         Revert:
9709         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9710
9711         PR target/88489
9712         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9713         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9714         instead of UNSPEC_FIXUPIMM.
9715
9716 2019-01-17  Richard Biener  <rguenther@suse.de>
9717
9718         PR lto/86736
9719         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9720         and friends for the LTO part of debug info.
9721
9722 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9723
9724         PR tree-optimization/86214
9725         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9726         if x == y.
9727
9728         PR rtl-optimization/88870
9729         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9730         throw if we can't alter the cfg or delete dead exceptions.
9731         (mark_insn): Don't call find_call_stack_args for such calls.
9732
9733 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9734
9735         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9736         prototypes for vec_st.
9737         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9738         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9739         mainly on signed/unsigned long long and double.
9740
9741 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9742
9743         PR target/88861
9744         * combine.c (delete_noop_moves): Convert to "bool" return,
9745         returning true if any edges are eliminated.
9746         (combine_instructions): Also return true if delete_noop_moves
9747         returns true.
9748
9749 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9750
9751         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9752         correct max nunits for endian swap.
9753         (aarch64_expand_fcmla_builtin): Correct subreg code.
9754         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9755         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9756         lane endianness.
9757
9758 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9759
9760         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9761         Handle split indirect COMPLEX_TYPE arguments.
9762
9763 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9764
9765         PR target/86891
9766         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9767         bit is set by add and compare.
9768         (CC_ADC): New CC_MODE.
9769         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9770         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9771         comparison.  Add detection for CC_ADCmode.
9772         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9773         CC_ADCmode.
9774         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9775         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9776         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9777         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9778         to eliminate the need for zero-extending the operands.
9779         (add<mode>3_compareC_imm): Delete.  Merge into ...
9780         (add<mode>3_compareC): ... this.  Restructure the comparison to
9781         eliminate the need for zero-extending the operands.
9782         (add<mode>3_carryin): Use LTU for the overflow detection.
9783         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9784         Reexpress comparison for overflow.
9785         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9786         (add<mode>3_carryinC): Likewise.
9787         (add<mode>3_carryinV): Use LTU for carry between partials.
9788         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9789         handling of CC_Cmode and add CC_ADCmode.
9790         (aarch64_borrow_operation): Likewise.
9791
9792 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9793
9794         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9795         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9796         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9797         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9798
9799 2019-01-16  Martin Liska  <mliska@suse.cz>
9800
9801         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9802         for GCC driver.
9803         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9804         a new argument.
9805         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9806         (path_prefix_reset): Move up in the source file.
9807         (find_fortran_preinclude_file): Make complex search for the
9808         fortran header files.
9809
9810 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9811
9812         * godump.c (go_output_typedef): When outputting a typedef, refer
9813         to the underlying type by its name and not its structure.
9814
9815 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9816
9817         PR c++/88795
9818         * tree.c (build_function_type): Assert that arg_types is not
9819         error_mark_node.
9820
9821 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9822
9823         PR inline-asm/52813
9824         * doc/extend.texi: Document that listing the stack pointer in the
9825         clobber list of an asm is a deprecated feature.
9826         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9827         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9828         warning instead of an error for clobbers of the stack pointer.
9829         Add a note explaining why.
9830
9831 2019-01-15  Richard Biener  <rguenther@suse.de>
9832
9833         PR debug/88046
9834         * dwarf2out.c (gen_member_die): Do not generate inheritance
9835         DIEs late.
9836
9837 2019-01-15  Richard Biener  <rguenther@suse.de>
9838
9839         PR tree-optimization/88855
9840         * tree-if-conv.c (combine_blocks): Collect
9841         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9842
9843 2019-01-15  Tom de Vries  <tdevries@suse.de>
9844
9845         PR target/80547
9846         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9847         lhs == NULL_TREE for gang-level reduction.
9848
9849 2019-01-15  Richard Biener  <rguenther@suse.de>
9850             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9851
9852         PR ipa/88788
9853         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9854         return true if SSA_NAME is already marked in visited bitmap.
9855         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9856
9857 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9858
9859         PR tree-optimization/88775
9860         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9861         equal == 0 equality pointer comparisons some more if compared in
9862         integral types and either one points to an automatic var and the
9863         other to a global, or we can prove at least one points to the middle
9864         or both point to start or both point to end.
9865
9866 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9867
9868         * Makefile.in: Lower autofdo sampling rate by 10x.
9869         * Makefile.tpl: Dito.
9870
9871 2019-01-14  Tom Honermann  <tom@honermann.net>
9872
9873         * defaults.h: Define CHAR8_TYPE.
9874
9875 2019-01-14  Martin Sebor  <msebor@redhat.com>
9876
9877         PR target/88638
9878         * doc/extend.texi (Darwin Format Checks): Clarify.
9879
9880 2019-01-14  Richard Biener  <rguenther@suse.de>
9881
9882         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9883         whether we are in (simplify ...) or (match ...) context.
9884
9885 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9886
9887         PR rtl-optimization/88796
9888         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9889         * cfgexpand.c (stack_protect_prologue): Initialize
9890         crtl->stack_protect_guard_decl.
9891         * function.c (stack_protect_epilogue): Use it instead of calling
9892         targetm.stack_protect_guard again.
9893         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9894         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9895         crtl->stack_protect_guard_decl.
9896         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9897         on the returned MEM_EXPR.
9898
9899 2019-01-12  Tom de Vries  <tdevries@suse.de>
9900
9901         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9902         vector length using -fopenacc-dim.
9903
9904 2019-01-12  Tom de Vries  <tdevries@suse.de>
9905
9906         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9907         lengths into account.
9908
9909 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9910
9911         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9912         (TARGET_CAN_SPLIT_STACK): Define.
9913         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9914
9915 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9916
9917         * params.def (inline-unit-growth): Set to 40.
9918
9919 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9920
9921         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9922
9923 2019-01-12  Tom de Vries  <tdevries@suse.de>
9924
9925         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9926         region calling vector-partitionable routine, set default_vector_length
9927         to WARP_SIZE.
9928
9929 2019-01-12  Tom de Vries  <tdevries@suse.de>
9930
9931         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9932         variable default_vector_length.
9933
9934 2019-01-12  Tom de Vries  <tdevries@suse.de>
9935
9936         PR middle-end/88703
9937         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9938         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9939         dimensions limits.
9940
9941 2019-01-12  Tom de Vries  <tdevries@suse.de>
9942
9943         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9944         (nvptx_goacc_validate_dims): Add used parameter.
9945         * doc/tm.texi: Regenerate.
9946         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9947         argument to call to targetm.goacc.validate_dims.
9948         (default_goacc_validate_dims): Add used
9949         parameter.
9950         * target.def (validate_dims): Add used parameter in DEFHOOK.
9951         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9952
9953 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9954
9955         PR middle-end/85956
9956         PR lto/88733
9957         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9958         field.
9959         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9960         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9961         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9962         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9963
9964 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9965
9966         PR rtl-optimization/87305
9967         * lra-assigns.c
9968         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9969         for little endian pseudos used as paradoxical subreg.
9970
9971 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9972
9973         PR tree-optimization/88693
9974         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9975         for STRING_CSTs that don't contain any NUL characters in the first
9976         TREE_STRING_LENGTH bytes.
9977
9978 2019-01-11  Alan Modra  <amodra@gmail.com>
9979
9980         PR 88777
9981         PR 88614
9982         * genattrtab.c (min_fn): Don't translate values.
9983         (min_attr_value): Return INT_MAX when the value can't be calculated.
9984         Return minimum among any values that can be calculated.
9985         (max_attr_value): Adjust.
9986
9987 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9988
9989         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9990
9991 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9992
9993         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9994         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9995         (aarch64_return_call_with_max_clobbers): New function.
9996         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9997         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9998         argument.
9999         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10000         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10001         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10002         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10003         * cselib.c (cselib_process_insn): Add argument to
10004         targetm.hard_regno_call_part_clobbered call.
10005         * ira-conflicts.c (ira_build_conflicts): Ditto.
10006         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10007         * lra-constraints.c (inherit_reload_reg): Ditto.
10008         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10009         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10010         argument.  Call targetm.return_call_with_max_clobbers.
10011         Add argument to targetm.hard_regno_call_part_clobbered call.
10012         (calls_have_same_clobbers_p): New function.
10013         (process_bb_lives): Add call_insn and last_call_insn variables.
10014         Pass call_insn to check_pseudos_live_through_calls.
10015         Modify if stmt to check targetm.return_call_with_max_clobbers.
10016         Update setting of flush variable.
10017         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10018         to false.
10019         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10020         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10021         targetm.hard_regno_call_part_clobbered call.
10022         * reginfo.c (choose_hard_reg_mode): Ditto.
10023         * regrename.c (check_new_reg_p): Ditto.
10024         * reload.c (find_equiv_reg): Ditto.
10025         * reload1.c (emit_reload_insns): Ditto.
10026         * sched-deps.c (deps_analyze_insn): Ditto.
10027         * sel-sched.c (init_regs_for_mode): Ditto.
10028         (mark_unavailable_hard_regs): Ditto.
10029         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10030         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10031         (return_call_with_max_clobbers): New target function.
10032         * doc/tm.texi: Regenerate.
10033         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10034         * hooks.c (hook_bool_uint_mode_false): Change to
10035         hook_bool_insn_uint_mode_false.
10036         * hooks.h (hook_bool_uint_mode_false): Ditto.
10037
10038 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10039
10040         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10041         (aarch64_remove_extra_call_preserved_regs): New function.
10042         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10043         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10044         * doc/tm.texi: Regenerate.
10045         * final.c (get_call_reg_set_usage): Call new hook.
10046         * target.def (remove_extra_call_preserved_regs): New hook.
10047         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10048         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10049
10050 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10051
10052         PR bootstrap/88714
10053         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10054         inside of pass_combine_1 dump rather than pass_profile_1.
10055
10056 2019-01-11  Tom de Vries  <tdevries@suse.de>
10057
10058         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10059         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10060         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10061         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10062         num_workers 16.
10063
10064 2019-01-11  Tom de Vries  <tdevries@suse.de>
10065
10066         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10067
10068 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10069
10070         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10071         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10072         sse2_cvtsi2sd): Add {l}.
10073         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10074         syntax.
10075
10076 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10077
10078         PR target/88785
10079         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10080         define_expand.
10081         (*float<floatunssuffix>v2div2sf2): New define_insn.
10082         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10083         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10084         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10085         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10086         match_operands with "const0_operand" "C".
10087
10088 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10089
10090         * config/aarch64/aarch64-builtins.c
10091         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10092         (aarch64_init_simd_builtins): ...Here
10093
10094 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10095
10096         PR rtl-optimization/87305
10097         * lra-assigns.c
10098         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10099         allocation for big endian pseudos used as paradoxical subregs and
10100         spill them if it is wrong.
10101         * lra-constraints.c (lra_constraints): Add a comment.
10102
10103 2019-01-10  Richard Biener  <rguenther@suse.de>
10104
10105         PR tree-optimization/88792
10106         * tree-ssa-pre.c (get_representative_for): Do not return a
10107         value-number here.
10108
10109 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10110
10111         PR middle-end/84877
10112         PR bootstrap/88450
10113         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10114         (assign_parm_setup_block): Do the argument slot realignment here
10115         instead.
10116
10117 2019-01-10  Stefan Agner  <stefan@agner.ch>
10118
10119         PR target/88648
10120         * config/arm/arm.c (arm_option_override_internal): Force
10121         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10122
10123 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10124
10125         PR c/88568
10126         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10127         DECL_EXTERNAL.
10128
10129 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10130
10131         * config/arm/arm-builtins.c
10132         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10133         (MAC_LANE_PAIR_QUALIFIERS): New.
10134         (arm_expand_builtin_args): Use it.
10135         (arm_expand_builtin_1): Likewise.
10136         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10137         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10138         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10139         * config/arm/arm_neon.h:
10140         (vcadd_rot90_f16): New.
10141         (vcaddq_rot90_f16): New.
10142         (vcadd_rot270_f16): New.
10143         (vcaddq_rot270_f16): New.
10144         (vcmla_f16): New.
10145         (vcmlaq_f16): New.
10146         (vcmla_lane_f16): New.
10147         (vcmla_laneq_f16): New.
10148         (vcmlaq_lane_f16): New.
10149         (vcmlaq_laneq_f16): New.
10150         (vcmla_rot90_f16): New.
10151         (vcmlaq_rot90_f16): New.
10152         (vcmla_rot90_lane_f16): New.
10153         (vcmla_rot90_laneq_f16): New.
10154         (vcmlaq_rot90_lane_f16): New.
10155         (vcmlaq_rot90_laneq_f16): New.
10156         (vcmla_rot180_f16): New.
10157         (vcmlaq_rot180_f16): New.
10158         (vcmla_rot180_lane_f16): New.
10159         (vcmla_rot180_laneq_f16): New.
10160         (vcmlaq_rot180_lane_f16): New.
10161         (vcmlaq_rot180_laneq_f16): New.
10162         (vcmla_rot270_f16): New.
10163         (vcmlaq_rot270_f16): New.
10164         (vcmla_rot270_lane_f16): New.
10165         (vcmla_rot270_laneq_f16): New.
10166         (vcmlaq_rot270_lane_f16): New.
10167         (vcmlaq_rot270_laneq_f16): New.
10168         (vcadd_rot90_f32): New.
10169         (vcaddq_rot90_f32): New.
10170         (vcadd_rot270_f32): New.
10171         (vcaddq_rot270_f32): New.
10172         (vcmla_f32): New.
10173         (vcmlaq_f32): New.
10174         (vcmla_lane_f32): New.
10175         (vcmla_laneq_f32): New.
10176         (vcmlaq_lane_f32): New.
10177         (vcmlaq_laneq_f32): New.
10178         (vcmla_rot90_f32): New.
10179         (vcmlaq_rot90_f32): New.
10180         (vcmla_rot90_lane_f32): New.
10181         (vcmla_rot90_laneq_f32): New.
10182         (vcmlaq_rot90_lane_f32): New.
10183         (vcmlaq_rot90_laneq_f32): New.
10184         (vcmla_rot180_f32): New.
10185         (vcmlaq_rot180_f32): New.
10186         (vcmla_rot180_lane_f32): New.
10187         (vcmla_rot180_laneq_f32): New.
10188         (vcmlaq_rot180_lane_f32): New.
10189         (vcmlaq_rot180_laneq_f32): New.
10190         (vcmla_rot270_f32): New.
10191         (vcmlaq_rot270_f32): New.
10192         (vcmla_rot270_lane_f32): New.
10193         (vcmla_rot270_laneq_f32): New.
10194         (vcmlaq_rot270_lane_f32): New.
10195         (vcmlaq_rot270_laneq_f32): New.
10196         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10197         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10198         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10199         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10200         vcmlaq_lane270): New.
10201         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10202         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10203         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10204         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10205         (arm_option_reconfigure_globals): Use them.
10206         * config/arm/iterators.md (VDF, VQ_HSF): New.
10207         (VCADD, VCMLA): New.
10208         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10209         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10210         New.
10211         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10212         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10213
10214 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10215
10216         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10217         Add qualifier_lane_pair_index.
10218         (emit-rtl.h): Include.
10219         (TYPES_QUADOP_LANE_PAIR): New.
10220         (aarch64_simd_expand_args): Use it.
10221         (aarch64_simd_expand_builtin): Likewise.
10222         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10223         New.
10224         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10225         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10226         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10227         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10228         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10229         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10230         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10231         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10232         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10233         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10234         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10235         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10236         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10237         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10238         Add __ARM_FEATURE_COMPLEX.
10239         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10240         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10241         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10242         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10243         fcmlaq_lane270): New.
10244         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10245         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10246         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10247         * config/aarch64/arm_neon.h:
10248         (vcadd_rot90_f16): New.
10249         (vcaddq_rot90_f16): New.
10250         (vcadd_rot270_f16): New.
10251         (vcaddq_rot270_f16): New.
10252         (vcmla_f16): New.
10253         (vcmlaq_f16): New.
10254         (vcmla_lane_f16): New.
10255         (vcmla_laneq_f16): New.
10256         (vcmlaq_lane_f16): New.
10257         (vcmlaq_rot90_lane_f16): New.
10258         (vcmla_rot90_laneq_f16): New.
10259         (vcmla_rot90_lane_f16): New.
10260         (vcmlaq_rot90_f16): New.
10261         (vcmla_rot90_f16): New.
10262         (vcmlaq_laneq_f16): New.
10263         (vcmla_rot180_laneq_f16): New.
10264         (vcmla_rot180_lane_f16): New.
10265         (vcmlaq_rot180_f16): New.
10266         (vcmla_rot180_f16): New.
10267         (vcmlaq_rot90_laneq_f16): New.
10268         (vcmlaq_rot270_laneq_f16): New.
10269         (vcmlaq_rot270_lane_f16): New.
10270         (vcmla_rot270_laneq_f16): New.
10271         (vcmlaq_rot270_f16): New.
10272         (vcmla_rot270_f16): New.
10273         (vcmlaq_rot180_laneq_f16): New.
10274         (vcmlaq_rot180_lane_f16): New.
10275         (vcmla_rot270_lane_f16): New.
10276         (vcadd_rot90_f32): New.
10277         (vcaddq_rot90_f32): New.
10278         (vcaddq_rot90_f64): New.
10279         (vcadd_rot270_f32): New.
10280         (vcaddq_rot270_f32): New.
10281         (vcaddq_rot270_f64): New.
10282         (vcmla_f32): New.
10283         (vcmlaq_f32): New.
10284         (vcmlaq_f64): New.
10285         (vcmla_lane_f32): New.
10286         (vcmla_laneq_f32): New.
10287         (vcmlaq_lane_f32): New.
10288         (vcmlaq_laneq_f32): New.
10289         (vcmla_rot90_f32): New.
10290         (vcmlaq_rot90_f32): New.
10291         (vcmlaq_rot90_f64): New.
10292         (vcmla_rot90_lane_f32): New.
10293         (vcmla_rot90_laneq_f32): New.
10294         (vcmlaq_rot90_lane_f32): New.
10295         (vcmlaq_rot90_laneq_f32): New.
10296         (vcmla_rot180_f32): New.
10297         (vcmlaq_rot180_f32): New.
10298         (vcmlaq_rot180_f64): New.
10299         (vcmla_rot180_lane_f32): New.
10300         (vcmla_rot180_laneq_f32): New.
10301         (vcmlaq_rot180_lane_f32): New.
10302         (vcmlaq_rot180_laneq_f32): New.
10303         (vcmla_rot270_f32): New.
10304         (vcmlaq_rot270_f32): New.
10305         (vcmlaq_rot270_f64): New.
10306         (vcmla_rot270_lane_f32): New.
10307         (vcmla_rot270_laneq_f32): New.
10308         (vcmlaq_rot270_lane_f32): New.
10309         (vcmlaq_rot270_laneq_f32): New.
10310         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10311         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10312         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10313         (FCADD, FCMLA): New.
10314         (rot): New.
10315         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10316
10317 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10318
10319         PR other/16615
10320
10321         * config/pa/pa.c: Change "can not" to "cannot".
10322         * gimple-ssa-evrp-analyze.c: Likewise.
10323         * ipa-icf.c: Likewise.
10324         * ipa-polymorphic-call.c: Likewise.
10325         * ipa-pure-const.c: Likewise.
10326         * lra-constraints.c: Likewise.
10327         * lra-remat.c: Likewise.
10328         * reload1.c: Likewise.
10329         * reorg.c: Likewise.
10330         * tree-ssa-uninit.c: Likewise.
10331
10332 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10333
10334         PR other/16615
10335
10336         * Makefile.in: Mechanically replace "can not" with "cannot".
10337         * alias.c: Likewise.
10338         * builtins.c: Likewise.
10339         * calls.c: Likewise.
10340         * cgraph.c: Likewise.
10341         * cgraph.h: Likewise.
10342         * cgraphclones.c: Likewise.
10343         * cgraphunit.c: Likewise.
10344         * combine-stack-adj.c: Likewise.
10345         * combine.c: Likewise.
10346         * common/config/i386/i386-common.c: Likewise.
10347         * config/aarch64/aarch64.c: Likewise.
10348         * config/alpha/sync.md: Likewise.
10349         * config/arc/arc.c: Likewise.
10350         * config/arc/predicates.md: Likewise.
10351         * config/arm/arm-c.c: Likewise.
10352         * config/arm/arm.c: Likewise.
10353         * config/arm/arm.h: Likewise.
10354         * config/arm/arm.md: Likewise.
10355         * config/arm/cortex-r4f.md: Likewise.
10356         * config/csky/csky.c: Likewise.
10357         * config/csky/csky.h: Likewise.
10358         * config/darwin-f.c: Likewise.
10359         * config/epiphany/epiphany.md: Likewise.
10360         * config/i386/i386.c: Likewise.
10361         * config/i386/sol2.h: Likewise.
10362         * config/m68k/m68k.c: Likewise.
10363         * config/mcore/mcore.h: Likewise.
10364         * config/microblaze/microblaze.md: Likewise.
10365         * config/mips/20kc.md: Likewise.
10366         * config/mips/sb1.md: Likewise.
10367         * config/nds32/nds32.c: Likewise.
10368         * config/nds32/predicates.md: Likewise.
10369         * config/pa/pa.c: Likewise.
10370         * config/rs6000/e300c2c3.md: Likewise.
10371         * config/rs6000/rs6000.c: Likewise.
10372         * config/s390/s390.h: Likewise.
10373         * config/sh/sh.c: Likewise.
10374         * config/sh/sh.md: Likewise.
10375         * config/spu/vmx2spu.h: Likewise.
10376         * cprop.c: Likewise.
10377         * dbxout.c: Likewise.
10378         * df-scan.c: Likewise.
10379         * doc/cfg.texi: Likewise.
10380         * doc/extend.texi: Likewise.
10381         * doc/fragments.texi: Likewise.
10382         * doc/gty.texi: Likewise.
10383         * doc/invoke.texi: Likewise.
10384         * doc/lto.texi: Likewise.
10385         * doc/md.texi: Likewise.
10386         * doc/objc.texi: Likewise.
10387         * doc/rtl.texi: Likewise.
10388         * doc/tm.texi: Likewise.
10389         * dse.c: Likewise.
10390         * emit-rtl.c: Likewise.
10391         * emit-rtl.h: Likewise.
10392         * except.c: Likewise.
10393         * expmed.c: Likewise.
10394         * expr.c: Likewise.
10395         * fold-const.c: Likewise.
10396         * genautomata.c: Likewise.
10397         * gimple-fold.c: Likewise.
10398         * hard-reg-set.h: Likewise.
10399         * ifcvt.c: Likewise.
10400         * ipa-comdats.c: Likewise.
10401         * ipa-cp.c: Likewise.
10402         * ipa-devirt.c: Likewise.
10403         * ipa-fnsummary.c: Likewise.
10404         * ipa-icf.c: Likewise.
10405         * ipa-inline-transform.c: Likewise.
10406         * ipa-inline.c: Likewise.
10407         * ipa-polymorphic-call.c: Likewise.
10408         * ipa-profile.c: Likewise.
10409         * ipa-prop.c: Likewise.
10410         * ipa-pure-const.c: Likewise.
10411         * ipa-reference.c: Likewise.
10412         * ipa-split.c: Likewise.
10413         * ipa-visibility.c: Likewise.
10414         * ipa.c: Likewise.
10415         * ira-build.c: Likewise.
10416         * ira-color.c: Likewise.
10417         * ira-conflicts.c: Likewise.
10418         * ira-costs.c: Likewise.
10419         * ira-int.h: Likewise.
10420         * ira-lives.c: Likewise.
10421         * ira.c: Likewise.
10422         * ira.h: Likewise.
10423         * loop-invariant.c: Likewise.
10424         * loop-unroll.c: Likewise.
10425         * lower-subreg.c: Likewise.
10426         * lra-assigns.c: Likewise.
10427         * lra-constraints.c: Likewise.
10428         * lra-eliminations.c: Likewise.
10429         * lra-lives.c: Likewise.
10430         * lra-remat.c: Likewise.
10431         * lra-spills.c: Likewise.
10432         * lra.c: Likewise.
10433         * lto-cgraph.c: Likewise.
10434         * lto-streamer-out.c: Likewise.
10435         * postreload-gcse.c: Likewise.
10436         * predict.c: Likewise.
10437         * profile-count.h: Likewise.
10438         * profile.c: Likewise.
10439         * recog.c: Likewise.
10440         * ree.c: Likewise.
10441         * reload.c: Likewise.
10442         * reload1.c: Likewise.
10443         * reorg.c: Likewise.
10444         * resource.c: Likewise.
10445         * rtl.def: Likewise.
10446         * rtl.h: Likewise.
10447         * rtlanal.c: Likewise.
10448         * sched-deps.c: Likewise.
10449         * sched-ebb.c: Likewise.
10450         * sched-rgn.c: Likewise.
10451         * sel-sched-ir.c: Likewise.
10452         * sel-sched.c: Likewise.
10453         * shrink-wrap.c: Likewise.
10454         * simplify-rtx.c: Likewise.
10455         * symtab.c: Likewise.
10456         * target.def: Likewise.
10457         * toplev.c: Likewise.
10458         * tree-call-cdce.c: Likewise.
10459         * tree-cfg.c: Likewise.
10460         * tree-complex.c: Likewise.
10461         * tree-core.h: Likewise.
10462         * tree-eh.c: Likewise.
10463         * tree-inline.c: Likewise.
10464         * tree-loop-distribution.c: Likewise.
10465         * tree-nrv.c: Likewise.
10466         * tree-profile.c: Likewise.
10467         * tree-sra.c: Likewise.
10468         * tree-ssa-alias.c: Likewise.
10469         * tree-ssa-dce.c: Likewise.
10470         * tree-ssa-dom.c: Likewise.
10471         * tree-ssa-forwprop.c: Likewise.
10472         * tree-ssa-loop-im.c: Likewise.
10473         * tree-ssa-loop-ivcanon.c: Likewise.
10474         * tree-ssa-loop-ivopts.c: Likewise.
10475         * tree-ssa-loop-niter.c: Likewise.
10476         * tree-ssa-phionlycprop.c: Likewise.
10477         * tree-ssa-phiopt.c: Likewise.
10478         * tree-ssa-propagate.c: Likewise.
10479         * tree-ssa-threadedge.c: Likewise.
10480         * tree-ssa-threadupdate.c: Likewise.
10481         * tree-ssa-uninit.c: Likewise.
10482         * tree-ssanames.c: Likewise.
10483         * tree-streamer-out.c: Likewise.
10484         * tree.c: Likewise.
10485         * tree.h: Likewise.
10486         * vr-values.c: Likewise.
10487
10488 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10489
10490         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10491         (ix86_split_xorsign): Ditto.
10492         * config/i386/i386.c (ix86_expand_xorsign): New function.
10493         (ix86_split_xorsign): Ditto.
10494         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10495         (xorsign<mode>3): New expander.
10496         (xorsign<mode>3_1): New insn_and_split pattern.
10497         * config/i386/sse.md (xorsign<mode>3): New expander.
10498
10499 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10500
10501         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10502         (*tablejump_sp64): Likewise.
10503         (*tablejump<P:mode>): ...this.
10504         (*call_address_sp32): Merge into...
10505         (*call_address_sp64): Likewise.
10506         (*call_address<P:mode>): ...this.
10507         (*call_symbolic_sp32): Merge into...
10508         (*call_symbolic_sp64): Likewise.
10509         (*call_symbolic<P:mode>): ...this.
10510         (call_value): Remove constraint and add predicate.
10511         (*call_value_address_sp32): Merge into...
10512         (*call_value_address_sp64): Likewise.
10513         (*call_value_address<P:mode>): ...this.
10514         (*call_value_symbolic_sp32): Merge into...
10515         (*call_value_symbolic_sp64): Likewise.
10516         (*call_value_symbolic<P:mode>): ...this.
10517         (*sibcall_symbolic_sp32): Merge into...
10518         (*sibcall_symbolic_sp64): Likewise.
10519         (*sibcall_symbolic<P:mode>): ...this.
10520         (sibcall_value): Remove constraint and add predicate.
10521         (*sibcall_value_symbolic_sp32): Merge into...
10522         (*sibcall_value_symbolic_sp64): Likewise.
10523         (*sibcall_value_symbolic<P:mode>): ...this.
10524         (window_save): Minor tweak.
10525         (*branch_sp32): Merge into...
10526         (*branch_sp64): Likewise.
10527         (*branch<P:mode>): ...this.
10528
10529 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10530             James Clarke  <jrtc27@jrtc27.com>
10531
10532         PR target/84010
10533         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10534         consistently in TLS address generation and adjust code to the renaming
10535         of patterns.  Mark calls to __tls_get_addr as const.
10536         * config/sparc/sparc.md (tgd_hi22): Turn into...
10537         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10538         (tgd_lo10): Turn into...
10539         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10540         (tgd_add32): Merge into...
10541         (tgd_add64): Likewise.
10542         (tgd_add<P:mode>): ...this and use Pmode throughout.
10543         (tldm_hi22): Turn into...
10544         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10545         (tldm_lo10): Turn into...
10546         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10547         (tldm_add32): Merge into...
10548         (tldm_add64): Likewise.
10549         (tldm_add<P:mode>): ...this and use Pmode throughout.
10550         (tldm_call32): Merge into...
10551         (tldm_call64): Likewise.
10552         (tldm_call<P:mode>): ...this and use Pmode throughout.
10553         (tldo_hix22): Turn into...
10554         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10555         (tldo_lox10): Turn into...
10556         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10557         (tldo_add32): Merge into...
10558         (tldo_add64): Likewise.
10559         (tldo_add<P:mode>): ...this and use Pmode throughout.
10560         (tie_hi22): Turn into...
10561         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10562         (tie_lo10): Turn into...
10563         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10564         (tie_ld64): Use DImode throughout.
10565         (tie_add32): Merge into...
10566         (tie_add64): Likewise.
10567         (tie_add<P:mode>): ...this and use Pmode throughout.
10568         (tle_hix22_sp32): Merge into...
10569         (tle_hix22_sp64): Likewise.
10570         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10571         (tle_lox22_sp32): Merge into...
10572         (tle_lox22_sp64): Likewise.
10573         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10574         (*tldo_ldub_sp32): Merge into...
10575         (*tldo_ldub_sp64): Likewise.
10576         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10577         (*tldo_ldub1_sp32): Merge into...
10578         (*tldo_ldub1_sp64): Likewise.
10579         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10580         (*tldo_ldub2_sp32): Merge into...
10581         (*tldo_ldub2_sp64): Likewise.
10582         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10583         (*tldo_ldsb1_sp32): Merge into...
10584         (*tldo_ldsb1_sp64): Likewise.
10585         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10586         (*tldo_ldsb2_sp32): Merge into...
10587         (*tldo_ldsb2_sp64): Likewise.
10588         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10589         (*tldo_ldub3_sp64): Use DImode throughout.
10590         (*tldo_ldsb3_sp64): Likewise.
10591         (*tldo_lduh_sp32): Merge into...
10592         (*tldo_lduh_sp64): Likewise.
10593         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10594         (*tldo_lduh1_sp32): Merge into...
10595         (*tldo_lduh1_sp64): Likewise.
10596         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10597         (*tldo_ldsh1_sp32): Merge into...
10598         (*tldo_ldsh1_sp64): Likewise.
10599         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10600         (*tldo_lduh2_sp64): Use DImode throughout.
10601         (*tldo_ldsh2_sp64): Likewise.
10602         (*tldo_lduw_sp32): Merge into...
10603         (*tldo_lduw_sp64): Likewise.
10604         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10605         (*tldo_lduw1_sp64): Use DImode throughout.
10606         (*tldo_ldsw1_sp64): Likewise.
10607         (*tldo_ldx_sp64): Likewise.
10608         (*tldo_stb_sp32): Merge into...
10609         (*tldo_stb_sp64): Likewise.
10610         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10611         (*tldo_sth_sp32): Merge into...
10612         (*tldo_sth_sp64): Likewise.
10613         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10614         (*tldo_stw_sp32): Merge into...
10615         (*tldo_stw_sp64): Likewise.
10616         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10617         (*tldo_stx_sp64): Use DImode throughout.
10618
10619 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10620
10621         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10622         check configure option to set BTI and Return Address Signing.
10623         * configure.ac: Add --enable-standard-branch-protection and
10624         --disable-standard-branch-protection.
10625         * configure: Regenerated.
10626         * doc/install.texi: Document the same.
10627
10628 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10629             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10630
10631         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10632         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10633         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10634         if bti is enabled.
10635         * config/aarch64/aarch64-bti-insert.c: New file.
10636         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10637         pass.
10638         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10639         new bti pass.
10640         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10641         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10642         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10643         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10644
10645 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10646
10647         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10648         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10649         Disable bti for -mbranch-protection=none.
10650         (aarch64_handle_standard_branch_protection): Enable bti for
10651         -mbranch-protection=standard.
10652         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10653         -mbranch-protection.
10654         (aarch64_bti_enabled): Check if bti is enabled.
10655         * config/aarch64/aarch64.opt: Declare target variable.
10656         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10657
10658 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10659
10660         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10661         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10662         (aarch64_expand_epilogue): Likewise.
10663         (aarch64_output_mi_thunk): Likewise
10664         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10665         TAILCALL_ADDR_REGS to x16 and x17.
10666         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10667
10668 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10669
10670         * config/aarch64/aarch64-option-extensions.def: Define
10671         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10672         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10673         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10674         (AARCH64_FL_PREDRES): New.
10675         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10676         AARCH64_FL_PREDRES by default.
10677         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10678
10679 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10680
10681         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10682         ARMv8.5-A.
10683         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10684         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10685         * doc/invoke.texi: Document ARMv8.5-A.
10686
10687 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10688
10689         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10690         (xorsign<mode>3): Likewise.
10691
10692 2019-01-09  Jelinek  <jakub@redhat.com>
10693
10694         PR middle-end/88758
10695         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10696         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10697
10698         PR rtl-optimization/88331
10699         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10700         not currently_expanding_to_rtl.
10701
10702 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10703
10704         * doc/invoke.texi (-Os): Remove trailing spaces.
10705         (-finline-functions): Remove reference to -O2.
10706
10707 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10708
10709         PR rtl-optimization/79593
10710         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10711
10712         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10713         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10714
10715 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10716
10717         PR bootstrap/88721
10718         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10719         to -1 on entry.
10720
10721         PR debug/88723
10722         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10723         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10724
10725 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10726
10727         PR target/88717
10728         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10729         ix86_avx_u128_mode_entry.
10730
10731 2019-01-08  Martin Liska  <mliska@suse.cz>
10732
10733         PR tree-optimization/88753
10734         * tree-switch-conversion.c (switch_conversion::build_one_array):
10735         Come up with local variable constructor.  Convert first to
10736         type of constructor values.
10737
10738 2019-01-08  Richard Biener  <rguenther@suse.de>
10739
10740         PR tree-optimization/86554
10741         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10742         rpo_avail): Move earlier.
10743         (visit_nary_op): When value-numbering to expressions
10744         with different overflow behavior make sure there's an
10745         available expression on the path.
10746
10747 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10748
10749         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10750         aarch64_parse_branch_protection,
10751         struct aarch64_branch_protect_type,
10752         aarch64_handle_no_branch_protection,
10753         aarch64_handle_standard_branch_protection,
10754         aarch64_validate_mbranch_protection,
10755         aarch64_handle_pac_ret_protection,
10756         aarch64_handle_attr_branch_protection,
10757         accepted_branch_protection_string,
10758         aarch64_pac_ret_subtypes,
10759         aarch64_branch_protect_types,
10760         aarch64_handle_pac_ret_leaf): Define.
10761         (aarch64_override_options_after_change_1, aarch64_override_options):
10762         Add check for accepted_branch_protection_string.
10763         (aarch64_option_save): Save accepted_branch_protection_string.
10764         (aarch64_option_restore): Save accepted_branch_protection_string.
10765         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10766         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10767         msign-return-address.
10768         * doc/invoke.texi: Add mbranch-protection.
10769
10770 2019-01-08  Alan Modra  <amodra@gmail.com>
10771
10772         PR target/88614
10773         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10774         Delete "unknownp" parameter.  Adjust callers.  Handle
10775         CONST_INT, PLUS, MINUS, and MULT.
10776         (attr_value_aligned): Renamed from or_attr_value.
10777         (min_attr_value): Return INT_MIN for unhandled rtl case..
10778         (min_fn): ..and translate to INT_MAX here.
10779         (write_length_unit_log): Modify to cope without "unknown".
10780         (write_attr_value): Handle IF_THEN_ELSE.
10781
10782 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10783
10784         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10785         optimization for masked stores.
10786
10787 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10788
10789         PR middle-end/88567
10790         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10791         output vector directly to duplicate_and_interleave instead of
10792         going through a temporary.  Postpone insertion of ctor_seq to
10793         the end of the loop.
10794
10795 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10796
10797         PR target/86891
10798         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10799         unsigned_p.  Handle signed and unsigned overflow correction as
10800         required.
10801         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10802         prototype.
10803         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10804         for operand 2.
10805         (add<mode>3_compareV_imm): Make this callable for expanding.
10806         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10807         aarch64_plus_operand for operand 2.
10808         (subv<GPI:mode>_insn): New insn pattern.
10809         (subv<GPI:mode>_imm): Likewise.
10810         (negv<GPI:mode>3): New expand pattern.
10811         (negv<GPI:mode>_insn): New insn pattern.
10812         (negv<GPI:mode>_cmp_only): Likewise.
10813         (cmpv<GPI:mode>_insn): Likewise.
10814         (subvti4): Use register_operand for operand 1.  Update call to
10815         aarch64_expand_subvti.
10816         (usubvti4): Likewise.
10817         (negvti3): New expand pattern.
10818         (negdi_carryout): New insn pattern.
10819         (negvdi_carryinV): New insn pattern.
10820         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10821         version the named version.
10822         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10823         operands.
10824         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10825         patterns.
10826         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10827         patterns.
10828         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10829         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10830         (sub<mode>3_carryinCV): Delete.
10831         (sub<GPI:mode>3_carryinV): New expand pattern.
10832         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10833
10834 2019-01-07  Richard Biener  <rguenther@suse.de>
10835
10836         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10837         of tree_operand_hash.
10838
10839 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10840
10841         PR tree-optimization/88598
10842         * tree.h (single_nonzero_element): Declare.
10843         * tree.c (single_nonzero_element): New function.
10844         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10845         if I is the only nonzero element of CST.
10846
10847 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10848
10849         PR tree-optimization/88598
10850         * tree.h (initializer_each_zero_or_onep): Declare.
10851         * tree.c (initializer_each_zero_or_onep): New function.
10852         (signed_or_unsigned_type_for): Handle float types too.
10853         (unsigned_type_for, signed_type_for): Update comments accordingly.
10854         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10855         x & { 0 or -1, 0 or -1, ... }.
10856
10857 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10858
10859         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10860         with x86_64-pc-linux-gnu.
10861
10862 2019-01-07  Tom de Vries  <tdevries@suse.de>
10863
10864         PR target/85486
10865         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10866         function.
10867         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10868         routines.
10869
10870 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10871
10872         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10873         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10874         TARGET_AVX512F as condition.
10875
10876         PR debug/88723
10877         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10878         const_not_ok_for_debug_p target hook.
10879         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10880         on UNSPEC and subexpressions thereof if all subexpressions of the
10881         UNSPEC are CONSTANT_P.
10882
10883         PR tree-optimization/88676
10884         * tree-ssa-phiopt.c (two_value_replacement): New function.
10885         (tree_ssa_phiopt_worker): Call it.
10886
10887         PR sanitizer/88619
10888         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10889         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10890
10891         PR c++/85052
10892         * tree-vect-generic.c: Include insn-config.h and recog.h.
10893         (expand_vector_piecewise): Add defaulted ret_type argument,
10894         if non-NULL, use that in preference to type for the result type.
10895         (expand_vector_parallel): Formatting fix.
10896         (do_vec_conversion, do_vec_narrowing_conversion,
10897         expand_vector_conversion): New functions.
10898         (expand_vector_operations_1): Call expand_vector_conversion
10899         for VEC_CONVERT ifn calls.
10900         * internal-fn.def (VEC_CONVERT): New internal function.
10901         * internal-fn.c (expand_VEC_CONVERT): New function.
10902         * fold-const-call.c (fold_const_vec_convert): New function.
10903         (fold_const_call): Use it for CFN_VEC_CONVERT.
10904         * doc/extend.texi (__builtin_convertvector): Document.
10905
10906 2019-01-07  Tom de Vries  <tdevries@suse.de>
10907
10908         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10909         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10910         vector_red_partition, vector_red_sym): New global variables.
10911         (nvptx_option_override): Initialize vector_red_sym.
10912         (nvptx_declare_function_name): Restore red_partition register.
10913         (nvptx_file_end): Emit code to declare the vector reduction variables.
10914         (nvptx_output_red_partition): New function.
10915         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10916         large vector reductions.
10917         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10918         (nvptx_init_builtins): Add VECTOR_ADDR.
10919         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10920         Handle nvptx_expand_shared_addr.
10921         (nvptx_get_shared_red_addr): Add vector argument and handle large
10922         vectors.
10923         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10924         large vectors.
10925         (nvptx_goacc_reduction_init): Likewise.
10926         (nvptx_goacc_reduction_fini): Likewise.
10927         (nvptx_goacc_reduction_teardown): Likewise.
10928         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10929         init,fini,teardown}.
10930         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10931         (nvptx_set_current_function): Init vector_red_partition.
10932         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10933         (nvptx_red_partition): New insn.
10934         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10935
10936 2019-01-07  Tom de Vries  <tdevries@suse.de>
10937
10938         PR target/85381
10939         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10940         empty loops.
10941
10942 2019-01-07  Tom de Vries  <tdevries@suse.de>
10943
10944         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10945         (nvptx_option_override): Init oacc_bcast_partition.
10946         (nvptx_init_oacc_workers): New function.
10947         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10948         (nvptx_needs_shared_bcast): New function.
10949         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10950         to propagate state.
10951         (nvptx_shared_propagate): Initialize vector bcast partition and
10952         synchronization state.
10953         (nvptx_single):  Generalize to enable vectors to use shared-memory
10954         to propagate state.
10955         (nvptx_process_pars): Likewise.
10956         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10957         * config/nvptx/nvptx.h (struct machine_function): Add
10958         bcast_partition and sync_bar members.
10959
10960 2019-01-07  Tom de Vries  <tdevries@suse.de>
10961
10962         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10963         (nvptx_apply_dim_limits): New function.
10964         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10965         PTX_WARP_SIZE.
10966
10967 2019-01-07  Tom de Vries  <tdevries@suse.de>
10968
10969         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10970         as late as possible.
10971
10972 2019-01-07  Tom de Vries  <tdevries@suse.de>
10973
10974         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10975         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10976         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10977         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10978         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10979
10980 2019-01-07  Tom de Vries  <tdevries@suse.de>
10981
10982         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10983
10984 2019-01-07  Tom de Vries  <tdevries@suse.de>
10985
10986         * omp-offload.c (oacc_get_min_dim): New function.
10987         * omp-offload.h (oacc_get_min_dim): Declare.
10988
10989 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10990
10991         PR target/88521
10992         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10993         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10994
10995 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10996
10997         PR tree-opt/86020
10998         Revert:
10999         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11000
11001         * ipa-inline.c (edge_badness): Use inlined_time instead of
11002         inline_summaries->get.
11003
11004 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11005
11006         * opts.c (enable_fdo_optimizations): Enable
11007         version-loops-for-strides, loop-interchange, unrol-and-jam
11008         and tree-loop-distribution.
11009         * invoke.texi: Document newly enabled options.
11010
11011 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11012
11013         * doc/invoke.texi (max-inline-insns-small): New parameters.
11014         * ipa-inline.c (want_early_inline_function_p): simplify.
11015         (want_inline_small_function_p): Fix pasto from previous patch;
11016         use max-inline-insns-small bound.
11017         * params.def (max-inline-insns-small): New param.
11018         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11019         variables correctly.
11020
11021 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11022
11023         * doc/invoke.texi: Document max-inline-insns-size,
11024         uninlined-function-insns, uninlined-function-time,
11025         uninlined-thunk-insns and uninlined-thunk-time.
11026         * params.def: Add max-inline-insns-size,
11027         uninlined-function-insns, uninlined-function-time,
11028         uninlined-thunk-insns and uninlined-thunk-time.
11029         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11030         new parameters.
11031         * ipa-inline.c (can_inline_edge_by_limits_p,
11032         want_inline_small_function_p): Use new parameters.
11033
11034 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11035
11036         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11037
11038 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11039
11040         PR middle-end/82564
11041         PR target/88620
11042         * expr.c (expand_assignment): For calls returning VLA structures
11043         if to_rtx is not a MEM, force it into a stack temporary.
11044
11045         PR debug/88635
11046         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11047         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11048         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11049         subexpressions of both operands.
11050         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11051         subrtxes are CONSTANT_P.
11052         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11053         2018-11-09 changes.
11054
11055 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11056
11057         * params.def (hot-bb-count-ws-permille): Set to 990.
11058
11059 2019-01-04  Martin Sebor  <msebor@redhat.com>
11060
11061         PR c/88546
11062         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11063         leaf.
11064
11065 2019-01-04  Martin Sebor  <msebor@redhat.com>
11066
11067         PR c/88363
11068         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11069
11070 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11071
11072         * gdbinit.in: Turn off pagination for the skip commands, restore
11073         it to previous state afterwards.
11074
11075 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11076
11077         PR target/88594
11078         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11079         of GET_MODE (opN) as modes of the libcall arguments.
11080
11081 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11082
11083         * config/i386/sse.md
11084         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11085         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11086         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11087         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11088         avx512f_vmcmp<mode>3<round_saeonly_name>,
11089         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11090         avx512f_maskcmp<mode>3,
11091         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11092         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11093         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11094         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11095         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11096         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11097         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11098         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11099         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11100         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11101         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11102         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11103         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11104         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11105         avx512cd_maskb_vec_dup<mode>,
11106         avx512cd_maskw_vec_dup<mode>,
11107         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11108         avx512dq_vmfpclass<mode>,
11109         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11110         instead of =Yk.
11111
11112 2019-01-03  Martin Sebor  <msebor@redhat.com>
11113
11114         PR tree-optimization/88659
11115         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11116
11117 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11118
11119         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11120         unaligned vsx and avoid lxvd2x/stxvd2x.
11121         (gen_lvx_v4si_move): New function.
11122
11123 2019-01-03  Tom de Vries  <tdevries@suse.de>
11124
11125         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11126         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11127         function.
11128         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11129
11130 2019-01-03  Tom de Vries  <tdevries@suse.de>
11131
11132         * config/nvptx/nvptx.c (struct offload_attrs): New.
11133         (populate_offload_attrs): New function.  Factor mask extraction out of
11134         nvptx_reorg.  Add extraction of dimensions.
11135         (nvptx_reorg): Use populate_offload_attrs.
11136
11137 2019-01-03  Tom de Vries  <tdevries@suse.de>
11138
11139         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11140         cases for oacc_min_dims_p and routine_p.  Add asserts for
11141         oacc_default_dims_p and offload_region_p.
11142
11143 2019-01-03  Tom de Vries  <tdevries@suse.de>
11144
11145         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11146         factored out of ...
11147         (nvptx_goacc_validate_dims): ... here.
11148
11149 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11150
11151         PR tree-optimization/85574
11152         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11153         structure.
11154         (struct ssa_equip_hash_traits): Declare.
11155         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11156
11157 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11158
11159         PR debug/88644
11160         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11161         change it to qualified_type.
11162
11163 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11164
11165         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11166         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11167
11168 2019-01-02  Martin Sebor  <msebor@redhat.com>
11169             Jeff Law  <law@redhat.com>
11170
11171         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11172         (get_range_strlen_tree): Update appropriately.
11173         (get_range_strlen)
11174         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11175
11176         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11177         rather than set_range_info.
11178         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11179         maybe_set_strlen_range.  Handle potentially boundary crossing
11180         cases more conservatively.
11181         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11182         Call set_strlen_range.
11183         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11184
11185         PR middle-end/88663
11186         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11187         need the flexp argument.
11188         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11189         from calls to get_range_strlen.  Update comments.  Just update
11190         VAL for an unterminated const char array and let the reset of the
11191         code handle it normally.  No longer try to set *flexp.  Adjust
11192         return value.
11193         (get_range_strlen): Update for the new get_range_strlen API.
11194         (get_maxval_strlen): Similarly.
11195         (gimple_fold_builtin_strlen): Handle update meaning of return value
11196         from get_range_strlen.
11197         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11198         get_range_strlen API.
11199
11200 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11201
11202         PR lto/88130
11203         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11204         false at WPA time when body was removed.
11205
11206 2019-01-02  Martin Liska  <mliska@suse.cz>
11207
11208         PR tree-optimization/88650
11209         * predict.c (set_even_probabilities): Calculate probability
11210         remainer only when really used.
11211
11212 2019-01-02  Richard Biener  <rguenther@suse.de>
11213
11214         PR middle-end/88651
11215         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11216         widest_ints when mangling max_stmt_execution results.
11217
11218 2019-01-02  Richard Biener  <rguenther@suse.de>
11219
11220         PR tree-optimization/88621
11221         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11222         bitfields when canoncalizing.
11223
11224 2019-01-02  Richard Biener  <rguenther@suse.de>
11225
11226         PR target/87545
11227         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11228         cost of cheap SSE instruction.
11229
11230 2019-01-02  Richard Biener  <rguenther@suse.de>
11231
11232         PR ipa/85574
11233         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11234         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11235         function.
11236         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11237         set after UIDs before splitting them.
11238
11239 2019-01-01  Martin Sebor  <msebor@redhat.com>
11240             Jeff Law  <law@redhat.com>
11241
11242         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11243         length is optimistic.  If it is, then arrange to compute the
11244         conservative length as well.
11245
11246         * gimple-fold.h (get_range_strlen): Update prototype.
11247         * builtins.c (check_access): Update call to get_range_strlen to use
11248         c_strlen_data pointer.   Change various variable accesses to instead
11249         pull data from the c_strlen_data structure.
11250         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11251         * calls.c (maybe_warn_nonstring_arg): Likewise.
11252         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11253         minimum length if maximum lengh is unknown.
11254         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11255         that used c_strlen, it's no longer needed.  Restructure slightly.
11256         (format_string): Set unlikely range appropriately.
11257         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11258         formatting issues.
11259         (get_range_strlen):  Accept c_strlen_data pointer for external
11260         call sites as well.  Pass through to call to internal get_range_strlen.
11261         Adjust minlen, maxlen and maxbound as needed.
11262         (get_maxval_strlen): Update comments.
11263         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11264         to use c_strlen_data pointer.  Change variable accesses to instead
11265         use c_strlen_data data members.
11266
11267         * gimple-fold.c (get_range_strlen): Update prototype.
11268         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11269         local variables.  Use pdata to return information to caller.
11270         Update calls to get_range_strlen.  Update pdata->maxbound.
11271         (get_range_strlen -- static version): Similarly.
11272         (get_range_strlen -- extern version): Update for internal
11273         get_range_strlen API change.  Convert to external data format.
11274         (get_maxval_strlen): Similarly.
11275
11276 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11277
11278         * coverage.c (get_coverage_counts): Use current_function_decl.
11279         * profile.c (read_thunk_profile): New function.
11280         (branch_prob): Add THUNK parameter.
11281         * tree-profile.c (tree_profiling): Handle thunks.
11282         * value-prof.c (init_node_map): Handle thunks.
11283         * value-prof.h (branch_prob): Upate prototype.
11284         (read_thunk_profile): Declare.
11285
11286 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11287
11288         Update copyright years.
11289
11290         * gcc.c (process_command): Update copyright notice dates.
11291         * gcov-dump.c (print_version): Ditto.
11292         * gcov.c (print_version): Ditto.
11293         * gcov-tool.c (print_version): Ditto.
11294         * gengtype.c (create_file): Ditto.
11295         * doc/cpp.texi: Bump @copying's copyright year.
11296         * doc/cppinternals.texi: Ditto.
11297         * doc/gcc.texi: Ditto.
11298         * doc/gccint.texi: Ditto.
11299         * doc/gcov.texi: Ditto.
11300         * doc/install.texi: Ditto.
11301         * doc/invoke.texi: Ditto.
11302 \f
11303 Copyright (C) 2019 Free Software Foundation, Inc.
11304
11305 Copying and distribution of this file, with or without modification,
11306 are permitted in any medium without royalty provided the copyright
11307 notice and this notice are preserved.