gcc/ChangeLog

   1 2019-06-12  Martin Sebor  <msebor@redhat.com>
   2
   3         PR middle-end/90676
   4         * tree-pretty-print.c (dump_mem_ref): New function.  Include
   5         MEM_REF type in output when different size than operand.
   6         (dump_generic_node): Move code to dump_mem_ref and call it.
   7
   8 2019-06-12  Martin Sebor  <msebor@redhat.com>
   9
  10         PR tree-optimization/90662
  11         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
  12         to arrays.
  13
  14 2019-06-12  Tom de Vries  <tdevries@suse.de>
  15
  16         PR tree-optimization/90009
  17         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
  18
  19 2019-06-12  Martin Liska  <mliska@suse.cz>
  20
  21         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
  22         the created map.
  23         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
  24         * mem-stats.h (mem_alloc_description::mem_alloc_description):
  25         Do not sanitize created maps.
  26
  27 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
  28
  29         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
  30         value_range::singleton_p.
  31         * tree-vrp.c (value_range_constant_singleton): Remove.
  32         * tree-vrp.h (value_range_constant_singleton): Remove.
  33         * vr-values.c (vr_values::singleton): Use
  34         value_range::singleton_p.
  35
  36 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  37
  38         PR target/90811
  39         * cfgexpand.c (align_local_variable): Add really_expand argument,
  40         don't SET_DECL_ALIGN if it is false.
  41         (add_stack_var): Add really_expand argument, pass it through to
  42         align_local_variable.
  43         (expand_one_stack_var_1): Pass true as really_expand to
  44         align_local_variable.
  45         (expand_one_ssa_partition): Pass true as really_expand to
  46         add_stack_var.
  47         (expand_one_var): Pass really_expand through to add_stack_var.
  48
  49 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
  50
  51         * config/arm/iterators.md (VABAL): New int iterator.
  52         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
  53         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
  54         values.
  55
  56 2019-06-12  Martin Liska  <mliska@suse.cz>
  57
  58         * value-prof.c (stream_out_histogram_value): Only first value
  59         can't be negative.
  60
  61 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  62
  63         PR c/90760
  64         * symtab.c (symtab_node::set_section): Allow being called on aliases
  65         as long as they aren't analyzed yet.
  66
  67 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
  68
  69         * config/mips/mips.c (mips_final_postscan_insn): Modify call
  70         to `mips_set_text_contents_type' to indicate whether a
  71         non-debug insn follows.
  72
  73 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
  74
  75         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
  76         enabling -mpcrel by default.
  77         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
  78         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
  79         that the test against -mcpu=future is done first.  Then test if
  80         -mprefixed-addr is on for -mpcrel.
  81         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
  82
  83 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
  84
  85         PR target/90811
  86         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
  87         instead of and.u%d.
  88
  89 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
  90
  91         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
  92
  93 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
  94
  95         PR c++/90449 - add -Winaccessible-base option.
  96         * doc/invoke.texi (Winaccessible-base): Document.
  97
  98 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
  99
 100         PR tree-optimization/62041
 101         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 102
 103 2019-06-11  Jason Merrill  <jason@redhat.com>
 104
 105         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 106         * tree.c (get_tree_code_name): Likewise.
 107         * print-tree.c (print_node): Only briefly print a node with an
 108         invalid code.
 109
 110 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 111
 112         PR bootstrap/90819
 113         * trans-mem.c (tm_memopt_compute_available): Add assertion
 114         that blocks is not empty.  Formatting fix.
 115
 116 2019-06-11  Martin Liska  <mliska@suse.cz>
 117
 118         PR c++/87847
 119         * hash-table.h: Extend create_gcc, add one parameter
 120         that is passed into hash_table::hash_table.
 121
 122 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 123
 124         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 125         New prototype.
 126         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 127         Emit clobber also for non-sse operations.
 128         (ix86_split_fp_absneg_operator): New function.
 129         * config/i386/i386.md (SSEMODEF): New mode iterator.
 130         (ssevecmodef): New mode attribute.
 131         (<code>tf2): Use absneg code iterator.
 132         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 133         Add three-operand AVX alternatives.
 134         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 135         Use absneg code iterator and X87MODEF mode iterator.
 136         (absneg fp_reg non-sse splitter): Call absneg code iterator
 137         and X87MODEF mode iterator.
 138         (absneg general_reg non-sse splitter): Use absneg code iterator
 139         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 140         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 141         code iterator.  Add three-operand AVX alternative.
 142         (absneg sse_reg splitter): Use absneg code iterator
 143         and SSEMODEF mode iterator.  Handle AVX operands.
 144         (absneg fp_reg splitter): Use absneg code iterator
 145         and MODEF mode iterator.
 146         (absneg general_reg splitter): Merge splitters using MODEF mode
 147         iterator.  Use absneg code iterator.  Call
 148         ix86_split_fp_absneg_operator.
 149         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 150         Do not enable for non-sse modes before reload.
 151         (CSGNMODE): Remove.
 152         (CSGNVMODE): Ditto.
 153         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 154         ssevecmodef mode attribute instaed of CSGNVMODE.
 155         (copysign<mode>3_const): Ditto.
 156         (copysign<mode>3_var): Ditto.
 157         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 158         Use absneg code iterator.  Simplify code using std::swap.
 159         * config/i386/predicates.md (absneg_operator): Remove.
 160
 161 2019-06-10  Martin Sebor  <msebor@redhat.com>
 162
 163         * gimple-fold.c (get_range_strlen): Update comment that didn't
 164         make it into r267503 or related commits.
 165
 166 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 167
 168         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 169         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 170
 171 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 172
 173         * tree.def (OMP_SCAN): New tree code.
 174         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 175         OMP_CLAUSE_EXCLUSIVE.
 176         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 177         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 178         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 179         OMP_CLAUSE_{IN,EX}CLUSIVE.
 180         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 181         * tree-nested.c (convert_nonlocal_reference_stmt,
 182         convert_local_reference_stmt, convert_gimple_call): Handle
 183         GIMPLE_OMP_SCAN.
 184         * tree-pretty-print.c (dump_omp_clause): Handle
 185         OMP_CLAUSE_{IN,EX}CLUSIVE.
 186         (dump_generic_node): Handle OMP_SCAN.
 187         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 188         * gimple.h (gomp_scan): New type.
 189         (is_a_helper <gomp_scan *>::test,
 190         is_a_helper <const gomp_scan *>::test): New templates.
 191         (gimple_build_omp_scan): Declare.
 192         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 193         gimple_omp_scan_set_clauses): New inline functions.
 194         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 195         * gimple.c (gimple_build_omp_scan): New function.
 196         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 197         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 198         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 199         GIMPLE_OMP_TASKGROUP.
 200         (dump_gimple_omp_scan): New function.
 201         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 202         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 203         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 204         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 205         (is_gimple_stmt): Handle OMP_SCAN.
 206         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 207         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 208         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 209         mentioned in nested #pragma omp scan.  Handle
 210         OMP_CLAUSE_{IN,EX}CLUSIVE.
 211         (gimplify_expr): Handle OMP_SCAN.
 212         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 213         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 214         simd constructs.
 215         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 216         GIMPLE_OMP_SCAN.
 217
 218 2019-06-10  Martin Liska  <mliska@suse.cz>
 219
 220         * ipa-cp.c (ignore_edge_p): New function.
 221         (build_toporder_info): Use it.
 222         * ipa-inline.c (ignore_edge_p): New function.
 223         (inline_small_functions): Use it.
 224         * ipa-pure-const.c (ignore_edge_for_nothrow):
 225         Verify opt_for_fn for caller and callee.
 226         (ignore_edge_for_pure_const): Likewise.
 227         * ipa-reference.c (ignore_edge_p): Extend to check
 228         for opt_for_fn.
 229         * ipa-utils.c (searchc): Refactor.
 230         * ipa-utils.h: Fix coding style.
 231
 232 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 233
 234         * config/arc/arc.c (arc_rtx_costs): Update costs.
 235
 236 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 237
 238         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 239         (arc_split_ior): Likewise.
 240         (arc_check_mov_const): Likewise.
 241         (arc_split_mov_const): Likewise.
 242         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 243         (arc_rtx_costs): Replace check Crr with Cax constraint.
 244         (prepare_move_operands): Cleanup, remove unused code.
 245         (arc_split_ior): New function.
 246         (arc_check_ior_const): Likewise.
 247         (arc_split_mov_const): Likewise.
 248         (arc_check_mov_const): Likewise.
 249         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 250         in define_insn_and_split pattern.
 251         (iorsi3): Likewise.
 252         (mulsi3_v2): Add new matching variant.
 253         (andsi3_i): Cleanup pattern.
 254         (rotrsi3_cnt1): Update pattern.
 255         (rotrsi3_cnt8): New pattern.
 256         (ashlsi2_cnt8): Likewise.
 257         (ashlsi2_cnt16): Likewise.
 258         * config/arc/constraints.md (C0p): Update constraint.
 259         (Crr): Remove it.
 260         (C0x): New pattern.
 261         (Cax): New pattern.
 262
 263 2019-06-10  Martin Liska  <mliska@suse.cz>
 264
 265         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 266         Update coding style.
 267         (sem_item_optimizer::dump_cong_classes):
 268         Print how many items are in a non-singular class.  Improve
 269         coding style.
 270
 271 2019-06-10  Martin Liska  <mliska@suse.cz>
 272
 273         * value-prof.c (dump_histogram_value): Change dump format.
 274         (gimple_mod_subtract_transform): Remove legacy comment.
 275
 276 2019-06-10  Martin Liska  <mliska@suse.cz>
 277
 278         * value-prof.c (dump_histogram_value): Print histogram values
 279         only if present.
 280
 281 2019-06-10  Martin Liska  <mliska@suse.cz>
 282
 283         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 284         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 285         * ipa-profile.c (ipa_profile_generate_summary):
 286         Use get_most_common_single_value.
 287         * tree-profile.c (gimple_init_gcov_profiler):
 288         Instrument with __gcov_one_value_profiler_v2
 289         and __gcov_indirect_call_profiler_v4.
 290         * value-prof.c (dump_histogram_value):
 291         Print all values for HIST_TYPE_SINGLE_VALUE.
 292         (stream_out_histogram_value): Update assert for
 293         N values.
 294         (stream_in_histogram_value): Set number of
 295         counters for HIST_TYPE_SINGLE_VALUE.
 296         (get_most_common_single_value): New.
 297         (gimple_divmod_fixed_value_transform):
 298         Use get_most_common_single_value.
 299         (gimple_ic_transform): Likewise.
 300         (gimple_stringops_transform): Likewise.
 301         (gimple_find_values_to_profile): Set number
 302         of counters for HIST_TYPE_SINGLE_VALUE.
 303         * value-prof.h (get_most_common_single_value):
 304         New.
 305
 306 2019-06-10  Martin Liska  <mliska@suse.cz>
 307
 308         * hash-map.h: Pass default value to hash_table ctor.
 309         * hash-table.h: Add default value to call of a ctor.
 310
 311 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 312
 313         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 314         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 315
 316 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 317
 318         PR target/90751
 319         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 320         Call pa_output_function_label.
 321         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 322         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 323         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 324         to declaration.
 325         (pa_linux_output_function_prologue): Declare.
 326         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 327         (pa_output_function_label): New.
 328         (pa_output_function_prologue): Revise to use pa_output_function_label.
 329         (pa_linux_output_function_prologue): New.
 330         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 331
 332 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 333
 334         * tree-vrp.h (value_range_base::intersect): New.
 335         (value_range::intersect_helper): Move from here...
 336         (value_range_base::intersect_helper): ...to here.
 337         * tree-vrp.c (value_range::intersect_helper): Rename to...
 338         (value_range_base::intersect_helper): ...this, and rewrite to
 339         return a value instead of modifying THIS in place.
 340         Also, move equivalence handling...
 341         (value_range::intersect): ...here, while calling intersect_helper.
 342         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 343         calling intersect.
 344         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 345         Same.
 346         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 347
 348 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 349
 350         * Makefile.in (genprogerr): Add condmd.
 351         (genprog): Remove it here.
 352
 353 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 354
 355         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 356
 357 2019-06-07  Richard Biener  <rguenther@suse.de>
 358
 359         PR debug/90574
 360         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 361         that appear after user labels.
 362
 363 2019-06-07  Martin Liska  <mliska@suse.cz>
 364
 365         * cselib.c (cselib_init): Disable hash table
 366         sanitization.
 367         * hash-set.h: Pass new default argument to m_table.
 368         * hash-table.c: Add global variable with hash table
 369         sanitization limit.
 370         * hash-table.h (Allocator>::hash_table): Add new argument
 371         to ctor.
 372         (hashtab_chk_error): New.
 373         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 374         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 375         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 376
 377 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 378
 379         * common.opt (flto-odr-type-merging): Ignore.
 380         * invoke.texi (-flto-odr-type-merging): Remove.
 381         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 382         (can_be_vtable_hashed_p): Remove.
 383         (hash_odr_vtable): Remove.
 384         (odr_vtable_hasher::hash): Remove.
 385         (types_same_for_odr): Remove.
 386         (types_odr_comparable): Remove.
 387         (odr_vtable_hasher::equal): Remove.
 388         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 389         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 390         (get_odr_type): Do not use vtable hash.
 391         (dump_odr_type): Remove commented out code.
 392         (build_type_inheritance_graph): Do not allocate vtable hash.
 393         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 394         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 395         (odr_type_p): Likewise.
 396         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 397         test.
 398
 399 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 400
 401         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 402         immediately after same_types_for_tbaa_p returns -1 and continue
 403         looking for possible exact match; if matching types are arrays
 404         watch for partial overlaps.
 405         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 406         (indirect_refs_may_alias_p): Do type based disambiguation first;
 407         update comment.
 408
 409 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 410
 411         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 412
 413 2019-06-07  Martin Liska  <mliska@suse.cz>
 414
 415         * doc/invoke.texi: Remove param.
 416         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 417         Remove.
 418         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 419         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 420         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 421         * profile.c (instrument_values): Remove
 422         HIST_TYPE_INDIR_CALL_TOPN.
 423         * tree-profile.c (init_ic_make_global_vars):
 424         Always build __gcov_indirect_call only.
 425         (gimple_init_gcov_profiler): Remove usage
 426         of PARAM_INDIR_CALL_TOPN_PROFILE.
 427         (gimple_gen_ic_profiler): Likewise.
 428         * value-prof.c (dump_histogram_value): Likewise.
 429         (stream_in_histogram_value): Likewise.
 430         (gimple_indirect_call_to_profile): Likewise.
 431         (gimple_find_values_to_profile): Likewise.
 432         * value-prof.h (enum hist_type): Likewise.
 433
 434 2019-06-07  Martin Liska  <mliska@suse.cz>
 435
 436         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 437         function.
 438
 439 2019-06-07  Martin Liska  <mliska@suse.cz>
 440
 441         PR tree-optimization/78902
 442         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 443         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 444         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 445         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 446         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 447         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 448         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 449         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 450         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 451         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 452         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 453         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 454         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 455         New.
 456         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 457         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 458         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 459         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 460         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 461         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 462         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 463         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 464         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 465         warn_unused_result attribute.
 466         (BUILT_IN_STRDUP): Likewise.
 467         (BUILT_IN_STRNDUP): Likewise.
 468         (BUILT_IN_ALLOCA): Likewise.
 469         (BUILT_IN_CALLOC): Likewise.
 470         (BUILT_IN_MALLOC): Likewise.
 471         (BUILT_IN_REALLOC): Likewise.
 472
 473 2019-06-06  Jim Wilson  <jimw@sifive.com>
 474
 475         PR target/89955
 476         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 477         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 478         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 479
 480 2019-06-06  Martin Sebor  <msebor@redhat.com>
 481
 482         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 483         (handle_builtin_malloc): Remove trailing spaces.
 484         (handle_builtin_memset): Same.
 485         (handle_builtin_memcmp): Same.
 486         (compute_string_length): Same.
 487         (determine_min_objsize): Same.
 488         (handle_builtin_string_cmp): Same.
 489         (handle_char_store): Same.  Break up excessively long line.
 490
 491 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 492
 493         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 494         check.
 495
 496 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 497
 498         * tree-sra.c (struct access): New field grp_same_access_path.
 499         (dump_access): Dump it.
 500         (build_reconstructed_reference): New function.
 501         (build_ref_for_model): Use it if possible.
 502         (path_comparable_for_same_access): New function.
 503         (same_access_path_p): Likewise.
 504         (sort_and_splice_var_accesses): Set the new flag.
 505         (analyze_access_subtree): Likewise.
 506         (propagate_subaccesses_across_link): Propagate zero value of the new
 507         flag down the access tree.
 508
 509 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 510
 511         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 512         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 513         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 514         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 515         Add gfx906.
 516
 517 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 518
 519         PR tree-optimization/90332
 520         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 521         Handle VALS containing two vectors.
 522         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 523         to...
 524         (@aarch64_combinez<mode>): ... This.
 525         (*aarch64_combinez_be<mode>): Rename to...
 526         (@aarch64_combinez_be<mode>): ... This.
 527         (vec_init<mode><Vhalf>): New define_expand.
 528         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 529
 530 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 531
 532         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 533         library functions only when not optimizing for size.
 534         (ashlsi3): Likewise.
 535         (ashrhi3): Likewise.
 536         (ashrsi3): Likewise.
 537         (lshrhi3): Likewise.
 538         (lshrsi3): Likewise.
 539
 540 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 541
 542         PR rtl-optimization/88751
 543         * ira.c (ira): Use the number of the actually referenced registers
 544         when calculating the threshold.
 545
 546 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 547
 548         * configure: Regenerate.
 549
 550 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 551
 552         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 553         register if it is in memory, so the shift can be emulated with a rotate
 554         instruction.
 555         (ashrhi3): Likewise.
 556         (lshrhi3): Likewise.
 557
 558 2019-06-06  Martin Liska  <mliska@suse.cz>
 559
 560         PR tree-optimization/87954
 561         * match.pd: Simplify mult where both arguments are 0 or 1.
 562
 563 2019-06-06  Richard Biener  <rguenther@suse.de>
 564
 565         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 566         put equivalences on UNDEFINED ranges.
 567         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 568         Make sure to drop defs of stmts added during simplification
 569         to VARYING.
 570
 571 2019-06-06  Richard Biener  <rguenther@suse.de>
 572
 573         * tree-ssa-structalias.c: Include tree-cfg.h.
 574         (make_heapvar): Do not make heap vars artificial.
 575         (find_func_aliases_for_builtin_call): Handle stack allocation
 576         functions.
 577         (find_func_aliases): Delay processing of simple enough returns
 578         in non-IPA mode.
 579         (set_uids_in_ptset): Adjust.
 580         (find_what_var_points_to): Likewise.
 581         (solve_constraints): Do not dump points-to sets here.
 582         (compute_points_to_sets): Post-process return statements,
 583         amending the escaped solution.  Dump points-to sets afterwards.
 584         (ipa_pta_execute): Dump points-to sets.
 585
 586 2019-06-06  Martin Liska  <mliska@suse.cz>
 587
 588         PR web/87933
 589         * doc/install.texi: Fix HTML headers and
 590         titles for 'Installing GCC' pages.
 591
 592 2019-06-06  Martin Liska  <mliska@suse.cz>
 593
 594         * ipa-icf-gimple.h (dump_message_1): Remove.
 595         (dump_message): Likewise.
 596         (return_false_with_message_1): Print also file.
 597         (return_false_with_msg): Likewise.
 598         (return_with_result): Likewise.
 599         (return_with_debug): Likewise.
 600         * ipa-icf.c (sem_function::equals_private): Remove call
 601         to dump_message.
 602
 603 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 604
 605         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 606         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 607         memory operand for it.
 608         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 609
 610 2019-06-05  Martin Sebor  <msebor@redhat.com>
 611
 612         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 613         Adjust quoting and hyphenation.
 614         * convert.c (convert_to_real_1): Same.
 615         * gcc.c (driver_wrong_lang_callback): Same.
 616         (driver::handle_unrecognized_options): Same.
 617         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 618         * opts-common.c (cmdline_handle_error): Same.
 619         (read_cmdline_option): Same.
 620         * opts-global.c (complain_wrong_lang): Same.
 621         (print_ignored_options): Same.
 622         (handle_common_deferred_options): Same.
 623         * pretty-print.h: Same.
 624         * print-rtl.c (debug_bb_n_slim): Same.
 625         * sched-rgn.c (make_pass_sched_fusion): Same.
 626         * tree-cfg.c (verify_gimple_assign_unary): Same.
 627         (verify_gimple_label): Same.
 628         * tree-ssa-operands.c (verify_ssa_operands): Same.
 629         * varasm.c (do_assemble_alias): Same.
 630         (assemble_alias): Same.
 631
 632 2019-06-05  Richard Henderson  <rth@twiddle.net>
 633
 634         * config/alpha/alpha.c (direct_return): Move down after
 635         struct machine_function definition; use saved frame_size;
 636         return bool.
 637         (struct machine_function): Add sa_mask, sa_size, frame_size.
 638         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 639         (alpha_compute_frame_layout): ... new function.
 640         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 641         (alpha_initial_elimination_offset): Use saved sa_size.
 642         (alpha_vms_initial_elimination_offset): Likewise.
 643         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 644         (alpha_expand_prologue): Use saved frame data.  Merge integer
 645         and fp register save loops.
 646         (alpha_expand_epilogue): Likewise.
 647         (alpha_start_function): Use saved frame data.
 648         * config/alpha/alpha-protos.h (direct_return): Update.
 649         (alpha_sa_size): Remove.
 650
 651 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 652
 653         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 654         multiplication by a power-of-two value.
 655         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 656         and turn the modulo operation into a masking operation.
 657
 658 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 659
 660         PR debug/90733
 661         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 662         with VOIDmode inner operands.
 663
 664 2019-06-05  Richard Biener  <rguenther@suse.de>
 665
 666         PR middle-end/90726
 667         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 668         turn an expression graph into a tree.
 669
 670 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 671
 672         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 673         member.
 674         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 675         treat it like explicit monotonic schedule modifier.
 676         (expand_omp_for): Initialize has_lastprivate_conditional.
 677         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 678         schedule modifier.
 679
 680         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 681         references, lookup in in hash map MEM_REF operand instead of the
 682         MEM_REF itself.
 683         (lower_omp_1): When looking for lastprivate conditional assignments,
 684         handle MEM_REFs with REFERENCE_TYPE operands.
 685
 686         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 687         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 688         and references a VLA.  Handle references to non-VLAs if is_simd
 689         all privatization clauses like reductions.
 690         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 691         If omp_is_reference, use always omp simd arrays and set
 692         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 693         fails, emit reference initialization.
 694
 695 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 696
 697         PR target/89803
 698         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 699         _mm_mask_fpclass_sd_mask): New intrinsics.
 700         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 701         * config/i386/i386-builtin.def
 702         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 703         New builtins.
 704         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 705         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 706         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 707         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 708         case QI_FTYPE_V2SF_INT): Ditto.
 709         * config/i386/sse.md
 710         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 711         Extended to insnstructions with mask operands.
 712
 713 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 714
 715         * config/rs6000/constraints.md (define_register_constraint "wp"):
 716         Delete.
 717         (define_register_constraint "wq"): Delete.
 718         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 719         (rs6000_init_hard_regno_mode_ok): Adjust.
 720         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 721         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 722         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 723         (define_mode_attr VSa): Delete.
 724         (define_mode_attr VSisa): New.
 725         (rest of file): Adjust.
 726         * doc/md.texi (Machine Constraints): Adjust.
 727
 728 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 729
 730         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 731         (define_attr "enabled"): Handle those new isa values.
 732
 733 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 734
 735         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 736         (define_mode_attr VSr5): Delete.
 737         (define_mode_attr VStype_sqrt): Delete.
 738         (define_mode_iterator VSX_SPDP): Delete.
 739         (define_mode_attr VS_spdp_res): Delete.
 740         (define_mode_attr VS_spdp_insn): Delete.
 741         (define_mode_attr VS_spdp_type): Delete.
 742         (*vsx_sqrt<mode>2): Adjust.
 743         (vsx_<VS_spdp_insn>): Delete, split to...
 744         (vsx_xscvdpsp): ... this.  New.  And...
 745         (vsx_xvcvspdp): ... this.  New.  And...
 746         (vsx_xvcvdpsp): ... this.  New.
 747
 748 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 749
 750         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 751         and V2DF.
 752         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 753         (rest of file): Adjust.
 754
 755 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 756
 757         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 758         (vsx_extract_<mode>_var): Ditto.
 759
 760 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 761
 762         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 763         with just "wa".
 764
 765 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 766
 767         * config/rs6000/constraints.md (define_register_constraint "ww"):
 768         Delete.
 769         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 770         (rs6000_init_hard_regno_mode_ok): Adjust.
 771         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 772         RS6000_CONSTRAINT_ww.
 773         * config/rs6000/rs6000.md: Adjust.
 774         * config/rs6000/vsx.md: Adjust.
 775         * doc/md.texi (Machine Constraints): Adjust.
 776
 777 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 778
 779         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 780         (define_mode_attr sd): New.
 781         (define_mode_attr s): New.
 782         (define_mode_attr Ftrad): Delete.
 783         (define_mode_attr Fvsx): Delete.
 784         (define_mode_attr Fs): Delete.
 785         (rest of file): Use the new mode attributes.
 786         * config.rs6000/vsx.md: Use the new mode attributes.
 787
 788 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 789
 790         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 791         with just "wa".
 792
 793 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 794
 795         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 796         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 797         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 798
 799 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 800
 801         PR target/78263
 802         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 803         C++ with strict ANSI requirements.
 804
 805 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 806
 807         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 808         computations when step is 1.
 809
 810 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 811
 812         * config/rs6000/constraints.md (define_register_constraint "wf"):
 813         Delete.
 814         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 815         (rs6000_init_hard_regno_mode_ok): Adjust.
 816         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 817         RS6000_CONSTRAINT_wf.
 818         * config/rs6000/rs6000.md: Adjust.
 819         * config/rs6000/vsx.md: Adjust.
 820         * doc/md.texi (Machine Constraints): Adjust.
 821
 822 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 823
 824         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 825         Fix ILP32 value.
 826
 827 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 828
 829         * config/rs6000/constraints.md (define_register_constraint "wd"):
 830         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_wd.
 835         * config/rs6000/rs6000.md: Adjust.
 836         * config/rs6000/vsx.md: Adjust.
 837         * doc/md.texi (Machine Constraints): Adjust.
 838
 839 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 840
 841         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 842         (rest of file): Adjust.
 843
 844 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 845
 846         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 847         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 848         (vsx_splat_<mode>_reg): Adjust.
 849
 850 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 851
 852         * config/rs6000/constraints.md (define_register_constraint "ws"):
 853         Delete.
 854         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 855         (rs6000_init_hard_regno_mode_ok): Adjust.
 856         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 857         RS6000_CONSTRAINT_ws.
 858         * config/rs6000/rs6000.md: Adjust.
 859         * config/rs6000/vsx.md: Adjust.
 860         * doc/md.texi (Machine Constraints): Adjust.
 861
 862 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 863
 864         * config/rs6000/constraints.md (define_register_constraint "wv"):
 865         Delete.
 866         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 867         (rs6000_init_hard_regno_mode_ok): Adjust.
 868         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 869         RS6000_CONSTRAINT_wv.
 870         * config/rs6000/rs6000.md: Adjust.
 871         * config/rs6000/vsx.md: Adjust.
 872         * doc/md.texi (Machine Constraints): Adjust.
 873
 874 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 875
 876         * config/rs6000/constraints.md (define_register_constraint "wi"):
 877         Delete.
 878         (define_register_constraint "wt"): Delete.
 879         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 880         (rs6000_init_hard_regno_mode_ok): Adjust.
 881         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 882         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 883         * config/rs6000/rs6000.md: Adjust.
 884         * config/rs6000/vsx.md: Adjust.
 885         * doc/md.texi (Machine Constraints): Adjust.
 886
 887 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 888
 889         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 890         const.
 891         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 892         default_elf_asm_output_external.
 893
 894 2019-06-04  Martin Liska  <mliska@suse.cz>
 895
 896         * ipa-icf.c (INCLUDE_LIST): Remove.
 897         (sem_item_optimizer::execute): Remove call to init_wpa.
 898         * ipa-icf.h (init_wpa): Remove.
 899
 900 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 901
 902         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 903         conditional on combined for simd.
 904         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 905         member.
 906         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 907         constructs, don't remove lastprivate_conditional_map, but instead set
 908         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 909         to parent construct temporaries.
 910         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 911         like !ctx->lastprivate_conditional_map.
 912         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 913         use up->outer context instead of up.
 914         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 915         gimple_omp_for_combined_p.
 916         (expand_omp_for_static_nochunk): Likewise.
 917         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 918         probably moved over into expand_omp_for_generic rather than being copied
 919         there.
 920
 921 2019-06-04  Martin Liska  <mliska@suse.cz>
 922
 923         * value-prof.c (dump_histogram_value): Fix typo.
 924         (gimple_mod_subtract_transform): Likewise.
 925
 926 2019-06-04  Richard Biener  <rguenther@suse.de>
 927
 928         PR middle-end/90726
 929         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 930         (tree_contains_chrecs): Likewise.
 931         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 932         exponential behaivor from ...
 933         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 934         ... here.
 935         (expression_expensive_p): Avoid exponential behavior and compute
 936         expanded size, rejecting any expansion.
 937         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 938         (idx_contains_abnormal_ssa_name_p): Likewise.
 939         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 940         (contains_abnormal_ssa_name_p): Simplify and use
 941         walk_tree_without_duplicates.
 942
 943 2019-06-04  Richard Biener  <rguenther@suse.de>
 944
 945         PR tree-optimization/90738
 946         Revert
 947         2019-06-03  Richard Biener  <rguenther@suse.de>
 948
 949         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 950         full reference tree and record in ref->ref.
 951         (vn_reference_lookup_3): Pass in original ref to
 952         ao_ref_init_from_vn_reference.
 953         (vn_reference_lookup): Likewise.
 954         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 955         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 956         Handle non-decl bases in the original reference.
 957
 958 2019-06-04  Martin Liska  <mliska@suse.cz>
 959
 960         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 961         number of references.
 962         (sem_item_optimizer::do_congruence_step):
 963         (sem_item_optimizer::worklist_push): Dump how references
 964         a class has.
 965         (sem_item_optimizer::worklist_pop): Use heap.
 966         (sem_item_optimizer::process_cong_reduction): Likewise.
 967         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 968
 969 2019-06-04  Martin Liska  <mliska@suse.cz>
 970
 971         * ipa-icf.h (struct sem_usage_pair_hash): New.
 972         (sem_usage_pair_hash::hash): Likewise.
 973         (sem_usage_pair_hash::equal): Likewise.
 974         (struct sem_usage_hash): Likewise.
 975         * ipa-icf.c (sem_item::sem_item): Initialize
 976         referenced_by_count.
 977         (sem_item::add_reference): Register a reference
 978         in ref_map and not in target->usages.
 979         (sem_item::setup): Remove initialization of
 980         dead vectors.
 981         (sem_item::~sem_item): Remove usage of dead vectors.
 982         (sem_item::dump): Remove dump of references.
 983         (sem_item_optimizer::sem_item_optimizer): Initialize
 984         m_references.
 985         (sem_item_optimizer::read_section): Remove useless
 986         dump.
 987         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 988         (sem_item_optimizer::build_graph): Pass m_references
 989         to ::add_reference.
 990         (sem_item_optimizer::verify_classes): Remove usage of dead
 991         vectors.
 992         (sem_item_optimizer::traverse_congruence_split): Return true
 993         when a class is split.
 994         (sem_item_optimizer::do_congruence_step_for_index): Use
 995         hash_map for look up of (sem_item *, index). That brings
 996         significant speed up.
 997         (sem_item_optimizer::do_congruence_step): Return true
 998         when a split is done.
 999         (congruence_class::is_class_used): Use referenced_by_count.
1000
1001 2019-06-04  Alan Modra  <amodra@gmail.com>
1002
1003         PR target/90689
1004         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1005         error.
1006
1007 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1008
1009         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1010         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1011         (rs6000_secondary_reload_simple_move): Adjust.
1012         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1013         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1014         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1015         comment.
1016         (power6x): Adjust.
1017         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1018         (floatunssi<mode>2_lfiwzx): Adjust.
1019         (fix_trunc<mode>si2_stfiwx): Adjust.
1020         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1021         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1022         (mfpgpr): Mark as deprecated.
1023         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1024         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1025         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1026
1027 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1028
1029         * config/rs6000/constraints.md (define_register_constraint "wg"):
1030         Delete.
1031         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1032         RS6000_CONSTRAINT_wg.
1033         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1034         (rs6000_init_hard_regno_mode_ok): Adjust.
1035         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1036         Delete "wg" alternatives.
1037         * doc/md.texi (Machine Constraints): Adjust.
1038
1039 2019-06-03  Alan Modra  <amodra@gmail.com>
1040
1041         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1042         (get_uncond_jump_length): Assert length less than INT_MAX and
1043         non-negative.
1044
1045 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1046
1047         PR middle-end/64242
1048         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1049         block.
1050         (expand_builtin_nonlocal_goto): Likewise.
1051
1052 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1053
1054         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1055         (aarch64_asm_output_external): Declare.
1056         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1057         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1058         (aarch64_asm_output_alias): New.
1059         (aarch64_asm_output_external): New.
1060         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1061         (ASM_OUTPUT_EXTERNAL): Define.
1062
1063 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1064         * tree-vrp.h (value_range_base::nonzero_p): New.
1065         (value_range_base::set_nonnull): Rename to...
1066         (value_range_base::set_nonzero): ...this.
1067         (value_range_base::set_null): Rename to...
1068         (value_range_base::set_zero): ...this.
1069         (value_range::set_nonnull): Remove.
1070         (value_range::set_null): Remove.
1071         * tree-vrp.c (range_is_null): Remove.
1072         (range_is_nonnull): Remove.
1073         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1074         instead of range_is_*null.
1075         (extract_range_from_unary_expr): Same.
1076         (value_range_base::set_nonnull): Rename to...
1077         (value_range_base::set_nonzero): ...this.
1078         (value_range::set_nonnull): Remove.
1079         (value_range_base::set_null): Rename to...
1080         (value_range_base::set_zero): ...this.
1081         (value_range::set_null): Remove.
1082         (extract_range_from_binary_expr): Rename set_*null uses to
1083         set_*zero.
1084         (extract_range_from_unary_expr): Same.
1085         (union_helper): Same.
1086         * vr-values.c (get_value_range): Use set_*zero instead of
1087         set_*null.
1088         (vr_values::extract_range_from_binary_expr): Same.
1089         (vr_values::extract_range_basic): Same.
1090
1091 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1092
1093         PR driver/90684
1094         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1095
1096 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1097
1098         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1099         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1100         (aarch64_<su>abd<mode>_3): ... This.
1101         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1102
1103 2019-06-03  Richard Biener  <rguenther@suse.de>
1104
1105         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1106         full reference tree and record in ref->ref.
1107         (vn_reference_lookup_3): Pass in original ref to
1108         ao_ref_init_from_vn_reference.
1109         (vn_reference_lookup): Likewise.
1110         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1111         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1112         Handle non-decl bases in the original reference.
1113
1114 2019-06-03  Martin Liska  <mliska@suse.cz>
1115
1116         * doc/generic.texi: Remove Java Trees.
1117
1118 2019-06-03  Martin Liska  <mliska@suse.cz>
1119
1120         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1121         returns 0 when operands are equal.
1122
1123 2019-06-03  Richard Biener  <rguenther@suse.de>
1124
1125         PR tree-optimization/90716
1126         * tree-loop-distribution.c (destroy_loop): Process blocks in
1127         correct order.
1128
1129 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1130
1131         PR target/88837
1132         * vector-builder.h (vector_builder::count_dups): New method.
1133         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1134         Declare prototype.
1135         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1136         (vec_init<mode><Vel>): New pattern.
1137         * config/aarch64/aarch64.c (emit_insr): New function.
1138         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1139         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1140         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1141         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1142
1143 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1144
1145         PR tree-optimization/90681
1146         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1147         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1148         special case for SLP, but fail on non-groupped loads.
1149
1150 2019-06-03  Martin Liska  <mliska@suse.cz>
1151
1152         * cfg.c (debug): Use TDF_DETAILS for debug and
1153         print edge info only once.
1154
1155 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1156
1157         PR fortran/90539
1158         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1159
1160 2019-06-01  Martin Sebor  <msebor@redhat.com>
1161
1162         PR middle-end/90694
1163         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1164
1165 2019-05-31  Jan Hubicka  <jh@suse.cz>
1166
1167         * alias.c: Include ipa-utils.h.
1168         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1169         * ipa-devirt.c (prevailing_odr_type): New.
1170         * ipa-utils.h (previaling_odr_type): Declare.
1171
1172 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1173             Hongtao Liu  <hongtao.liu@intel.com>
1174
1175         PR target/89355
1176         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1177         NOTE_INSN_DELETED_LABEL check.
1178
1179 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1180             Robert Suchanek  <robert.suchanek@mips.com>
1181
1182         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1183         and 3rd operands of the fmadd/fmsub/maddv builtin.
1184
1185 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1186
1187         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1188         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1189         on OMP_SIMD if not nested inside of worksharing loop that also has
1190         lastprivate conditional clause for the same decl.
1191         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1192         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1193         on simd.
1194         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1195         on simd construct.
1196         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1197         on simd construct.
1198         (lower_lastprivate_clauses): Likewise.
1199         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1200         calling lower_rec_input_clauses.
1201         (lower_omp_for): Likewise.
1202         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1203         clause on simd construct.
1204         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1205         OMP_CLAUSE__CONDTEMP_ clause is present.
1206
1207         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1208         ivar and lvar.
1209
1210 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1211
1212         PR c/43673
1213         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1214         TEX_D32, TEX_D64 or TEX_D128.
1215
1216 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1217
1218         * match.pd (~(vec?cst1:cst2)): New transformation.
1219
1220 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1221
1222         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1223         ((size_t)(A /[ex] B) CMP C): New transformation.
1224
1225 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1226
1227         * doc/md.texi: Document define_insn_and_rewrite.
1228         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1229         * gensupport.c (queue_elem): Update comment.
1230         (replace_operands_with_dups): New function.
1231         (gen_rewrite_sequence): Likewise.
1232         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1233         * read-rtl.c (apply_subst_iterator): Likewise.
1234         (add_condition_to_rtx, named_rtx_p): Likewise.
1235         (rtx_reader::read_rtx_operand): Likewise.
1236         * config/aarch64/aarch64-sve.md
1237         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1238         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1239         define_insn_and_rewrite.
1240         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1241         Remove separate define_split.
1242
1243 2019-05-31  Jan Hubicka  <jh@suse.cz>
1244
1245         * tree-ssa-alias.c (type_has_components_p): New function.
1246         (aliasing_component_refs_p): Use it.
1247
1248 2019-05-31  Martin Liska  <mliska@suse.cz>
1249
1250         * gdbhooks.py: Add const_tree to TreePrinter.
1251
1252 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1253
1254         PR debug/86964
1255         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1256         * doc/invoke.texi (Debugging Options): Document new default of
1257         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1258
1259 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1260
1261         PR tree-optimization/90671
1262         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1263         template_block used to be empty on the first call, don't use
1264         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1265         seq with bb_seq and set it with set_bb_seq.
1266
1267 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1268
1269         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1270
1271 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1272             Michael Meissner  <meissner@linux.ibm.com>
1273
1274         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1275         (prefixed_mem_operand): Likewise.
1276         (non_prefixed_mem_operand): Likewise.
1277         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1278         prototype.
1279         * config/rs6000/rs6000.c (print_operand_address): Handle
1280         PC-relative addresses.
1281         (mode_supports_prefixed_address_p): New function.
1282         (rs6000_prefixed_address): New function.
1283         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1284         (SYMBOL_REF_PCREL_P): Likewise.
1285
1286 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1287
1288         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1289         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1290         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1291         is nested inside of parallel region, add _condtemp_ clause to both.
1292         * tree-nested.c (convert_nonlocal_omp_clauses,
1293         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1294         assertion failure.
1295         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1296         member.
1297         * omp-general.c (omp_extract_for_data): Compute it.
1298         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1299         (lower_rec_input_clauses): Likewise.
1300         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1301         clause is already present, just add one further one after it.
1302         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1303         (lower_send_shared_vars): Clear _condtemp_ vars.
1304         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1305         or section or taskgroup.
1306         * omp-expand.c (determine_parallel_type): Disallow combining only if
1307         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1308         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1309         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1310         expand_omp_for_static_chunk, expand_omp_for): Use
1311         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1312         determine if a special set of API routines are needed and if condtemp
1313         needs to be initialized, while always initialize cond_var if
1314         fd->lastprivate_conditional is non-zero.
1315
1316 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1317             Michael Meissner  <meissner@linux.ibm.com>
1318
1319         * config/rs6000/constraints.md (eI): New constraint.
1320         * config/rs6000/predicates.md (cint34_operand): New predicate.
1321         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1322         (SIGNED_34BIT_OFFSET_P): Likewise.
1323         * doc/md.texi (eI): Document constraint.
1324
1325 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1326
1327         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1328
1329 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1330             Michael Meissner  <meissner@linux.ibm.com>
1331
1332         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1333         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1334         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1335         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1336         (OTHER_FUTURE_MASKS): Likewise.
1337         (POWERPC_MASKS): Likewise.
1338         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1339         specified without -mprefixed-addr or -mcpu=future.  Error if
1340         -mprefixed-addr is specified without -mcpu=future.
1341         (rs6000_opt_masks): Add entry for prefixed-addr.
1342         * rs6000.opt (mprefixed-addr): New option.
1343
1344 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1345
1346         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1347         cfun->is_thunk check.
1348
1349 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1350
1351         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1352         to length.
1353
1354 2019-05-30  Martin Liska  <mliska@suse.cz>
1355
1356         * gdbinit.in: Fix 'ptc' command.  Add trt
1357         that prints TREE_TYPE($).
1358
1359 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1360             Alan Modra  <amodra@gmail.com>
1361
1362         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1363         calls here...
1364         (rs6000_indirect_call_template_1): ...and here.
1365         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1366         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1367         rs6000_pltseq_enum.
1368         (rs6000_decl_ok_for_sibcall): New function.
1369         (rs6000_function_ok_for_sibcall): Refactor.
1370         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1371         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1372         when pcrel.  Reorganize.
1373         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1374         * rs6000.h (rs6000_pltseq_enum): New enum.
1375         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1376         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1377         (*pltseq_plt16_ha): Likewise.
1378         (*pltseq_plt16_lo): Likewise.
1379         (*pltseq_mtctr): Likewise.
1380         (*pltseq_plt_pcrel): New insn.
1381         (*call_local_aix): Handle @notoc calls.
1382         (*call_value_local_aix): Likewise.
1383         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1384         (*call_value_nonlocal_aix): Likewise.
1385         (*call_indirect_pcrel): New insn.
1386         (*call_value_indirect_pcrel): Likewise.
1387
1388
1389 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1390
1391         * config/i386/sse.md (*save_multiple<mode>): Rename from
1392         save_multiple<mode>.
1393         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1394         (*restore_multiple_and_return<mode>): Rename from
1395         restore_multiple_and_return<mode>.
1396         (*restore_multiple_leave_return<mode>): Rename from
1397         restore_multiple_leave_return<mode>.
1398
1399 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1400
1401         * config.gcc (rx-*-linux*): New target.
1402         * config/rx/elf.opt: New file.
1403         * config/rx/linux.h: Likewise.
1404         * config/rx/t-linux: Likewise.
1405         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1406         make it zero.
1407         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1408         (ASM_APP_OFF): Likewise.
1409         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1410         moved elsewhere.
1411
1412 2019-05-29  Jan Hubicka  <jh@suse.cz>
1413
1414         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1415         variants are pointer equivalent.
1416
1417 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1418
1419         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1420         * config/aarch64/aarch64-sve2.md: New file.
1421         (<u>avg<mode>3_floor): New pattern.
1422         (<u>avg<mode>3_ceil): Likewise.
1423         (*<sur>h<addsub><mode>): Likewise.
1424         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1425         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1426
1427 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1428
1429         PR bootstrap/90543
1430         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1431         for var_opt_string printing.  In cl_optimization_print_diff, print
1432         (null) instead of invoking undefined behavior if one of the
1433         var_opt_string pointers is NULL and use && instead of first || in the
1434         guarding condition.  For var_target_other options, handle const char *
1435         target variables similarly to const char * optimize node variables.
1436
1437 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1438
1439         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1440         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1441         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1442         Add autib1716 and pacib1716 initialisation.
1443         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1444         for autib1716 and pacib1716.
1445         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1446         aarch64_post_cfi_startproc): Define.
1447         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1448         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1449         aarch64_handle_pac_ret_protection): Set default sign key to A.
1450         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1451         aarch64_expand_prologue): Add check for b-key.
1452         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1453         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1454         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1455         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1456         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1457         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1458         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1459         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1460         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1461         pauth_hint_num_a with pauth_hint_num.
1462         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1463         pauth_hint_num_a with pauth_hint_num.
1464         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1465         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1466         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1467         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1468         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1469         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1470         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1471         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1472         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1473         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1474         UNSPEC_AUTIA1716 respectively.
1475         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1476         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1477         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1478         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1479         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1480
1481 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1482
1483         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1484         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1485         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1486         explicit clause on combined parallel into implicit shared clause.
1487         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1488         and firstprivate if the decl has one too from combined parallel to
1489         the worksharing construct.
1490
1491 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1492             Michael Meissner  <meissner@linux.ibm.com>
1493
1494         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1495
1496 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1497
1498         * rtl.h (LABEL_REF_P): New #define.
1499
1500 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1501
1502         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1503
1504 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1505
1506         * internal-fn.c: Marked mask_load_direct as vectorizable.
1507         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1508         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1509         combined even if masks different with allow_slp_p param.
1510         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1511         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1512         dissolve SLP-only vectorizable groups when SLP has been discarded.
1513         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1514         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1515         masks.
1516         (vect_build_slp_tree_1): Fixed comment typo.
1517         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1518         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1519         loads for SLP only.
1520         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1521         vectorizable.
1522         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1523
1524 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1525
1526         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1527         Remove obsolete use_thunk reference.
1528         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1529         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1530         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1531         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1532         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1533         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1534         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1535         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1536         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1537
1538 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1539
1540         * tree.h (IDENTIFIER_ANON_P): New.
1541         (anon_aggrname_format, anon_aggname_p): Don't declare.
1542         (make_anon_name): Declare.
1543         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1544         (hash_tree): Likewise.
1545         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1546         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1547         (anon_cnt, make_anon_name): New.
1548
1549 2019-05-28  Martin Liska  <mliska@suse.cz>
1550
1551         PR other/90315
1552         * opts-global.c (decode_options): Print help for all
1553         help_option_arguments.
1554         * opts.c (print_help): Add new argument.
1555         (common_handle_option): Remember all values into
1556         help_option_arguments.
1557         * opts.h (print_help): Add new argument.
1558
1559 2019-05-28  Martin Liska  <mliska@suse.cz>
1560
1561         PR ipa/90555
1562         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1563         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1564         (func_checker::compare_bb): Call compare_loops.
1565
1566 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1567
1568         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1569         on sections construct.
1570         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1571         construct.
1572         (lower_omp_sections): Handle lastprivate conditional.
1573         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1574         lastprivate_conditional_map.
1575         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1576
1577         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1578         critical, taskgroup and section regions when looking for a region
1579         with non-NULL lastprivate_conditional_map.
1580
1581 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1582
1583         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1584         (*ix86_gen_sub3): Ditto.
1585         (*ix86_gen_sub3_carry): Ditto.
1586         (*ix86_gen_one_cmpl2): Ditto.
1587         (*ix86_gen_andsp): Ditto.
1588         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1589         (gen_and2_insn): New static function.
1590         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1591         Use gen_add3_insn instead of ix86_gen_add3.
1592         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1593         instead of ix86_gen_add3.
1594         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1595         Use gen_sub3_insn instead of ix86_gen_sub3.
1596         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1597         instead of ix86_gen_add3.
1598         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1599         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1600         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1601         * config/i386/i386-options.c (ix86_option_override_internal):
1602         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1603         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1604
1605 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1606
1607         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1608         and DW_OP_GNU_const_index opcodes.
1609
1610 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1611
1612         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1613
1614 2019-05-27  Richard Biener  <rguenther@suse.de>
1615
1616         PR tree-optimization/90637
1617         * tree-ssa-sink.c (statement_sink_location): Honor the
1618         computed sink location for single-uses.
1619
1620 2019-05-27  Richard Biener  <rguenther@suse.de>
1621
1622         PR middle-end/90610
1623         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1624         a bit-insert.
1625
1626 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1627
1628         * config/i386/i386.md (@sub<mode>3_carry): Rename
1629         from sub<mode>3_carry.
1630         (@leave_<mode>): New expander.
1631         (*leave): Rename from leave.
1632         (*leave_rex64): Rename from leave_rex64.
1633         (@monitorx_<mode>): Rename from monitorx_<mode>.
1634         (@clzero_<mode>): Rename from clzero_<mode>.
1635         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1636         from sse3_monitor_<mode>.
1637         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1638         (*ix86_gen_leave): Ditto.
1639         (*ix86_gen_monitor): Ditto.
1640         (*ix86_gen_monitorx): Ditto.
1641         (*ix86_gen_clzero): Ditto.
1642         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1643         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1644         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1645         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1646         Use gen_sse3_monitor instead of ix86_gen_monitor.
1647         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1648         instead of ix86_gen_monitorx.
1649         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1650         instead of ix86_gen_clzero.
1651         * config/i386/i386-options.c (ix86_option_override_internal):
1652         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1653         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1654
1655 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1656
1657         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1658         Rename from tls_global_dynamic_64_<mode>.
1659         (@tls_local_dynamic_base_64_<mode>): Rename from
1660         tls_local_dynamic_base_64_<mode>.
1661         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1662         Remove indirect function.
1663         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1664         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1665         instead of ix86_gen_tls_global_dynamic_64.
1666         Use gen_tls_local_dynamic_base_64 instead of
1667         ix86_gen_tls_local_dynamic_base_64.
1668         * config/i386/i386-options.c (ix86_option_override_internal):
1669         Do not initialize ix86_gen_tls_global_dynamic_64 and
1670         ix86_gen_tls_local_dynamic_base_64.
1671
1672 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1673
1674         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1675         Rename from pro_epilogue_adjust_stack_<mode>_add.
1676         (@pro_epilogue_adjust_stack_sub_<mode>)
1677         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1678         (@allocate_stack_worker_probe_<mode>):
1679         Rename from allocate_stack_worker_probe_<mode>.
1680         (allocate_stack): Use gen_allocate_stack_worker_probe.
1681         (probe_stack): Use gen_probe_stack_1.
1682         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1683         (@adjust_stack_and_probe_<mode>): Rename from
1684         adjust_stack_and_probe<mode>.
1685         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1686         (stack_protect_set): Use gen_stack_protect_set_1.
1687         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1688         (stack_protect_test): Use gen_stack_protect_test_1.
1689         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1690         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1691         Remove indirect function.
1692         (*ix86_gen_adjust_stack_and_probe): Ditto.
1693         (*ix86_gen_probe_stack_range): Ditto.
1694         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1695         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1696         (ix86_adjust_stack_and_probe_stack_clash): Use
1697         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1698         (ix86_adjust_stack_and_probe): Ditto.
1699         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1700         of ix86_gen_probe_stack_range.
1701         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1702         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1703         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1704         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1705         CODE_FOR_stack_protect_test_{si,di}.
1706         * config/i386/i386-options.c (ix86_option_override_internal):
1707         Do not initialize ix86_gen_allocate_stack_worker,
1708         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1709
1710 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1711
1712         * doc/invoke.texi (Link Options): Many editorial changes around
1713         -flinker-output.
1714
1715 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1716
1717         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1718         pre-Solaris 11 referene and most Studio compiler details.
1719
1720 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1721
1722         PR target/90530
1723         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1724         DImode to SImode in floating-point registers on 64-bit target.
1725         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1726         register_operand in xmpyu patterns.
1727
1728 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1729
1730         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1731         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1732         OMP_CLAUSE__REDUCTEMP_.
1733         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1734         OMP_CLAUSE__CONDTEMP_.
1735         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1736         * tree-pretty-print.c (dump_omp_clause): Likewise.
1737         * tree-nested.c (convert_nonlocal_omp_clauses,
1738         convert_local_omp_clauses): Likewise.
1739         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1740         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1741         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1742         on OMP_FOR.
1743         (gimplify_omp_for): Warn and disable conditional modifier from
1744         lastprivate on loop iterators.
1745         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1746         member.
1747         * omp-general.c (omp_extract_for_data): Initialize it.
1748         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1749         member.
1750         (delete_omp_context): Delete it.
1751         (lower_lastprivate_conditional_clauses): New function.
1752         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1753         handle lastprivate conditional clauses.
1754         (lower_reduction_clauses): Add CLIST argument, emit it into
1755         the critical section if any.
1756         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1757         lower_reduction_clauses callers.
1758         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1759         to lower_lastprivate_clauses.
1760         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1761         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1762         clist into a critical section if not emitted there already by
1763         lower_reduction_clauses.
1764         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1765         callers.
1766         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1767         conditional variables.
1768         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1769         clause is present.
1770         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1771         expand_omp_for_static_chunk): Handle lastprivate conditional.
1772         (expand_omp_for): Handle fd.lastprivate_conditional like
1773         fd.have_reductemp.
1774
1775 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1776
1777         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1778         kernel does not exit cleanly.
1779         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1780
1781 2019-05-24  Jason Merrill  <jason@redhat.com>
1782
1783         Revert:
1784         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1785
1786 2019-05-24  Richard Biener  <rguenther@suse.de>
1787
1788         PR testsuite/90607
1789         * tree-loop-distribution.c (struct partition): Add location
1790         member.
1791         (partition_alloc): Initialize all fields.
1792         (generate_memset_builtin): Use the location recorded in the
1793         partition for the generated call.
1794         (generate_memcpy_builtin): Likewise.
1795         (classify_partition): Record the location of a single store
1796         as location for the partition.
1797
1798 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1799
1800         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1801         for lo-part.
1802
1803 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1804
1805         PR target/90588
1806         * common/config/aarch64/aarch64-common.c
1807         (aarch64_rewrite_selected_cpu): Change local temporary variable
1808         type from unsigned long to uint64_t.
1809         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1810         aarch64_get_extension_string_for_isa_flags): Change declaration to
1811         match new definition by replacing unsigned long with uint64_t.
1812
1813 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR target/90568
1816         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1817         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1818         Handle stack_protect_test_<mode> codegen similarly to corresponding
1819         sub instruction.
1820
1821 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1822
1823        * config/i386/darwin.h: Reject -mfentry*.
1824        * doc/sourcebuild.texi: Document mfentry target support.
1825
1826 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1827
1828         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1829         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1830         false for PC-relative functions.
1831         (rs6000_output_function_prologue): Change called function name to
1832         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1833         name,1" for PC-relative functions.
1834         (rs6000_elf_declare_function_name): Change called function name to
1835         rs6000_global_entry_point_prologue_needed_p.
1836
1837 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1838
1839         PR target/90552
1840         * config/i386/i386.c (gen_rtx_cost):
1841         Use ix86_tune_cost instead of ix86_cost.
1842
1843 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1844             Michael Meissner  <meissner@linux.ibm.com>
1845             Segher Boessenkool  <segher@kernel.crashing.org>
1846
1847         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1848         OPTION_MASK_PCREL.
1849         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1850         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1851         (rs6000_fndecl_pcrel_p): Likewise.
1852         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1853         error if -mpcrel is requested without -mcpu=future.
1854         (rs6000_opt_masks): Add entry for pcrel.
1855         (rs6000_fndecl_pcrel_p): New function.
1856         (rs6000_pcrel_p): Likewise.
1857         * config/rs6000/rs6000.opt (mpcrel): New option.
1858         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1859
1860 2019-05-23  Jan Hubicka  <jh@suse.cz>
1861             Martin Liska  <mliska@suse.cz>
1862
1863         PR tree-optimization/90576
1864         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1865         poly_int_tree_p.
1866         (aliasing_component_refs_p): Fix three way size compare conditional;
1867         give up earlier in case we can not decide on equivalence.
1868
1869 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1870             Michael Meissner  <meissner@linux.ibm.com>
1871             Segher Boessenkool  <segher@kernel.crashing.org>
1872
1873         * config.gcc: Add future cpu.
1874         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1875         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1876         #define.
1877         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1878         (RS6000_CPU): New instantiation for future cpu.
1879         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1880         PROCESSOR_FUTURE.
1881         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1882         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1883         * config/rs6000/rs6000-tables.opt: Regenerate.
1884         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1885         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1886         (rs6000_machine_from_flags): Handle future cpu.
1887         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1888         PROCESSOR_POWER9 for now.
1889         (rs6000_adjust_cost): Likewise.
1890         (rs6000_issue_rate): Likewise.
1891         (rs6000_register_move_cost): Likewise.
1892         (rs6000_opt_masks): Add entry for future.
1893         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1894         (MASK_FUTURE): New #define.
1895         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1896         * config/rs6000/rs6000.opt (mfuture): New target option.
1897         * doc/invoke.texi (mcpu): Add future cpu.
1898
1899 2019-05-23  Martin Liska  <mliska@suse.cz>
1900
1901         PR c++/90587
1902         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1903         operation points to a temporary (pointed via tree_to_wide_ref)
1904         that is out of scope after the &.
1905
1906 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1907
1908         PR c++/90592
1909         * doc/extend.texi (Function Names): Add missing word.
1910
1911 2019-05-23  Richard Biener  <rguenther@suse.de>
1912
1913         PR tree-optimization/88440
1914         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1915         at -O[2s]+.
1916         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1917         generated call.
1918         (generate_memcpy_builtin): Likewise.
1919         (distribute_loop): Pass in whether to only distribute patterns.
1920         (prepare_perfect_loop_nest): Also allow size optimization.
1921         (pass_loop_distribution::execute): When optimizing a loop
1922         nest for size allow pattern replacement.
1923
1924 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1925
1926         PR target/90568
1927         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1928         of xor.
1929
1930 2019-05-23  Martin Liska  <mliska@suse.cz>
1931
1932         PR sanitizer/90570
1933         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1934         expression similarly to gimplify_decl_expr.
1935
1936 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1937
1938         * cse.c (cse_dump_path): s/dump_file/f.
1939
1940 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1941
1942         PR c++/90462
1943         * diagnostic-format-json.cc: Include "selftest.h".
1944         (json_from_expanded_location): Only add "file" key for non-NULL
1945         file strings.
1946         (json_from_location_range): Don't add "start" and "finish"
1947         children if they are UNKNOWN_LOCATION.
1948         (selftest::test_unknown_location): New selftest.
1949         (selftest::test_bad_endpoints): New selftest.
1950         (selftest::diagnostic_format_json_cc_tests): New function.
1951         * json.cc (json::object::get): New function.
1952         (selftest::test_object_get): New selftest.
1953         (selftest::json_cc_tests): Call it.
1954         * json.h (json::object::get): New decl.
1955         * selftest-run-tests.c (selftest::run_tests): Call
1956         selftest::diagnostic_format_json_cc_tests.
1957         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1958         decl.
1959
1960 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1961             Andrew Stubbs  <amd@codesourcery.com>
1962
1963         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1964         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1965         (kernel): Rename to...
1966         (main_kernel): ... this.
1967         (load_image): Load _init_array and _fini_array kernels.
1968         (run): Add argument for kernel to run.
1969         (main): Run init_array_kernel before main_kernel, and
1970         fini_array_kernel after.
1971         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1972         amdgpu_hsa_kernel attribute on functions.
1973         (gcn_disable_constructors): Delete.
1974         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1975         * config/gcn/crt0.c (size_t): Define.
1976         (_init_array, _fini_array): New.
1977         (__preinit_array_start, __preinit_array_end,
1978         __init_array_start, __init_array_end,
1979         __fini_array_start, __fini_array_end): Declare weak references.
1980
1981 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1982
1983         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1984
1985 2019-05-22  Jason Merrill  <jason@redhat.com>
1986
1987         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1988
1989 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1990
1991         PR target/88483
1992         * config/i386/i386-options.c (ix86_init_machine_status): Set
1993         stack_frame_required to true.
1994         * config/i386/i386.c (ix86_get_frame_size): New function.
1995         (ix86_frame_pointer_required): Replace get_frame_size with
1996         ix86_get_frame_size.
1997         (ix86_compute_frame_layout): Likewise.
1998         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1999         stack_frame_required.
2000         (ix86_finalize_stack_frame_flags): Always call
2001         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2002         ix86_get_frame_size.
2003         * config/i386/i386.h (machine_function): Add stack_frame_required.
2004
2005 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2006
2007         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2008
2009 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2010
2011         * common/config/aarch64/aarch64-common.c
2012         (struct aarch64_option_extension, struct processor_name_to_arch,
2013         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2014         aarch64_contains_opt,
2015         aarch64_get_extension_string_for_isa_flags): Change type of
2016         variables storing flags to uint64_t.
2017         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2018         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2019         * config/aarch64/aarch64.c (struct processor,
2020         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2021         aarch64_validate_march, aarch64_override_options,
2022         aarch64_option_print, aarch64_handle_attr_isa_flags,
2023         aarch64_declare_function_name, aarch64_start_file): Make flag
2024         variables uint64_t.
2025         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2026         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2027         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2028         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2029         * config/aarch64/driver-aarch64.c
2030         (struct aarch64_arch_extension, struct aarch64_core_data,
2031         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2032         flag variables uint64_t.
2033         * doc/invoke.texi: Add documentation for new arguments.
2034
2035 2019-05-22  Richard Biener  <rguenther@suse.de>
2036
2037         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2038         rewrite ...
2039         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2040
2041 2019-05-22  Martin Liska  <mliska@suse.cz>
2042
2043         PR lto/90500
2044         * doc/extend.texi: Document the change.
2045
2046 2019-05-22  Richard Biener  <rguenther@suse.de>
2047
2048         PR tree-optimization/90450
2049         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2050         (mem_ref_hasher::equal): Check it.
2051         (mem_ref_alloc): Initialize it.
2052         (gather_mem_refs_stmt): Set it.
2053
2054 2019-05-22  Richard Biener  <rguenther@suse.de>
2055
2056         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2057         Add ABS_EXPR.
2058         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2059         as ABSU_EXPR.
2060
2061 2019-05-22  Alan Modra  <amodra@gmail.com>
2062
2063         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2064         (ASM_CPU_SPEC): Conditionally add -many.
2065         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2066         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2067         (rs6000_file_start): ..extracted from here, and modified to
2068         test all ISA bits.
2069         (rs6000_output_function_prologue): Emit .machine as necessary.
2070         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2071         power mnemonics.
2072         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2073         added by check_vect_support_and_set_flags.
2074         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2075         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2076
2077 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2078
2079         PR middle-end/90553
2080         * ira-lives.c (process_bb_node_lives): Consider defs
2081         for a call insn to be die before the call, not after.
2082
2083         * function.c (assign_parm_setup_block): Raise alignment of
2084         stacked parameter only for STRICT_ALIGNMENT targets.
2085
2086 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2087
2088         * config/rs6000/constraints.md (define_register_constraint "wz"):
2089         Delete.
2090         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2091         RS6000_CONSTRAINT_wz.
2092         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2093         (rs6000_init_hard_regno_mode_ok): Adjust.
2094         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2095         * doc/md.texi (Machine Constraints): Adjust.
2096
2097 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2098
2099         * config/rs6000/constraints.md (define_register_constraint "wl"):
2100         Delete.
2101         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2102         RS6000_CONSTRAINT_wl.
2103         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2104         (rs6000_init_hard_regno_mode_ok): Adjust.
2105         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2106         * doc/md.texi (Machine Constraints): Adjust.
2107
2108 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2109
2110         * config/rs6000/constraints.md (define_register_constraint "wm"):
2111         Delete.
2112         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2113         RS6000_CONSTRAINT_wm.
2114         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2115         (rs6000_init_hard_regno_mode_ok): Adjust.
2116         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2117         * doc/md.texi (Machine Constraints): Adjust.
2118
2119 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2120
2121         * config/rs6000/constraints.md (define_register_constraint "wk"):
2122         Delete.
2123         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2124         RS6000_CONSTRAINT_wk.
2125         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2126         (rs6000_init_hard_regno_mode_ok): Adjust.
2127         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2128         * doc/md.texi (Machine Constraints): Adjust.
2129
2130 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2131
2132         * config/rs6000/constraints.md (define_register_constraint "wj"):
2133         Delete.
2134         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2135         RS6000_CONSTRAINT_wj.
2136         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2137         (rs6000_init_hard_regno_mode_ok): Adjust.
2138         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2139         (VS_64dm): Delete.
2140         * config/rs6000/vsx.md: Ditto.
2141         * doc/md.texi (Machine Constraints): Adjust.
2142
2143 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2144
2145         * config/rs6000/constraints.md (define_register_constraint "wh"):
2146         Delete.
2147         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2148         RS6000_CONSTRAINT_wh.
2149         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2150         (rs6000_init_hard_regno_mode_ok): Adjust.
2151         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2152         * doc/md.texi (Machine Constraints): Adjust.
2153
2154 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2155
2156         PR target/90547
2157         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2158         Avoid calling gen_lowpart with CONST operand.
2159
2160 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2161
2162         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2163         field template_last_to_copy.
2164         (ssa_create_duplicates): Set it, and use it.  Attempt to
2165         preserve more debug stmts.
2166
2167 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2168
2169         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2170         (signbit<mode>2): New expander
2171
2172 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2173
2174         PR bootstrap/87338
2175         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2176         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2177
2178 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2179
2180         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2181         %ebx and %ecx bafore calling cpuid with leaf 1 or
2182         non-constant leaf argument.
2183
2184 2019-05-21  Alan Modra  <amodra@gmail.com>
2185
2186         PR target/90545
2187         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2188         power9 direct move cost.
2189         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2190         Correct comments and rename functions to suit parameters.
2191
2192 2019-05-21  Richard Biener  <rguenther@suse.de>
2193
2194         PR middle-end/90510
2195         * fold-const.c (fold_read_from_vector): New function.
2196         * fold-const.h (fold_read_from_vector): Declare.
2197         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2198         single-element insert permutations.  Canonicalize selector
2199         further and fix issue with last commit.
2200
2201 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2202
2203         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2204         parameter with default value false to declaration.
2205         (split_edges_for_insertion): New inline function.  Wrapper for
2206         split_critical_edges with for_edge_insertion_p = true.
2207         * tree-cfg.c (split_critical_edges): Don't split non-critical
2208         edges if for_edge_insertion_p is false.  Fix whitespace.
2209         * tree-ssa-pre.c (pass_pre::execute): Call
2210         split_edges_for_insertion instead of split_critical_edges.
2211         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2212         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2213         (pass_data_sink_code): Update function name in the comment.
2214
2215 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2216
2217         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2218         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2219         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2220         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2221         positives.
2222
2223 2019-05-21  Martin Liska  <mliska@suse.cz>
2224
2225         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2226         an extra newline.
2227         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2228         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2229         vec_lvsr.
2230         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2231         Quote a C type.
2232         (rs6000_function_arg): Likewise.
2233         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2234         (rs6000_expand_ternop_builtin): Use interval syntax.
2235         (get_element_number): Likewise.
2236         (altivec_expand_builtin): Likewise.
2237         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2238
2239 Fix test-suite.
2240
2241 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2242
2243         PR c++/59813
2244         PR target/90418
2245         * function.h (struct function): Add calls_eh_return member.
2246         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2247         gimplifying __builtin_eh_return call.
2248         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2249         to cfun.
2250         (expand_call_inline): Or in src_cfun->calls_eh_return into
2251         dst_cfun->calls_eh_return.
2252         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2253         cfun->calls_eh_return.
2254         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2255         * lto-streamer-out.c (output_struct_function_base): Write
2256         calls_eh_return.
2257
2258 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2259
2260         PR rtl-optimization/43147
2261         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2262         IX86_BUILTIN_SHUFPD.
2263
2264 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2265
2266         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2267         (refs_may_alias_p_1): ... here; update stats.
2268         (refs_may_alias_p): Do not update stats here.
2269
2270 2019-05-20  Richard Biener  <rguenther@suse.de>
2271
2272         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2273         doesn't produce pointers.
2274         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2275         the first operand points to.
2276
2277 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2278
2279         * tree-ssa-alias.c (compare_sizes): New function.
2280         (sompare_type_sizes): New function
2281         (aliasing_component_refs_p): Use it.
2282         (indirect_ref_may_alias_decl_p): Likewise.
2283
2284 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2285
2286         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2287
2288 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2289
2290         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2291         (LIBLSAN_EARLY_SPEC): Likewise.
2292         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2293
2294 2019-05-20  Martin Liska  <mliska@suse.cz>
2295
2296         * config/i386/i386.c (ix86_libc_has_fast_function):
2297         Add ATTRIBUTE_UNUSED for the argument.
2298
2299 2019-05-20  Richard Biener  <rguenther@suse.de>
2300
2301         * gimple-match-head.c: Include vec-perm-indices.h.
2302         * generic-match-head.c: Likewise.
2303         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2304         is included.
2305         * fold-const.c (fold_vec_perm): Export.
2306         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2307         (match.pd): ...here.
2308
2309 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2310
2311         * cfgloop.h (struct loop): Add simdlen member.
2312         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2313         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2314         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2315         as new argument to autovectorize_vector_sizes target hook.  If
2316         loop->simdlen, pick up vector size where the vectorization factor
2317         is equal to loop->simd, and if there is none, fall back to the first
2318         successful one.
2319         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2320         caller.
2321         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2322         * omp-general.c (omp_max_vf): Likewise.
2323         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2324         * tree-vect-slp.c (vect_slp_bb): Likewise.
2325         * target.def (autovectorize_vector_sizes): Add ALL argument and
2326         document it.
2327         * doc/tm.texi: Adjust documentation.
2328         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2329         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2330         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2331         bool argument.
2332         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2333         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2334         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2335         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2336         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2337         preferred vector size is not 512-bit or 256-bit, just put those
2338         unpreferred ones last.
2339
2340 2019-05-20  Martin Liska  <mliska@suse.cz>
2341
2342         * targhooks.c (default_libc_has_fast_function): New function.
2343         * targhooks.h (default_libc_has_fast_function): Likewise.
2344
2345 2019-05-20  Martin Liska  <mliska@suse.cz>
2346
2347         PR middle-end/90263
2348         * builtins.c (expand_builtin_memory_copy_args): When having a
2349         target with fast mempcpy implementation do now use memcpy.
2350         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2351         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2352         * doc/tm.texi: Likewise.
2353         * doc/tm.texi.in: Likewise.
2354         * target.def:
2355         * expr.c (emit_block_move_hints): Add 2 new arguments.
2356         * expr.h (emit_block_move_hints): Bail out when libcall
2357         to memcpy would be used.
2358
2359 2019-05-20  Martin Liska  <mliska@suse.cz>
2360
2361         * profile-count.c: Add vertical spacing in order
2362         to separate functions.
2363         * profile-count.h: Likewise.
2364
2365 2019-05-20  Martin Liska  <mliska@suse.cz>
2366
2367         * profile-count.h: Do not use full qualified
2368         names if possible.
2369         * profile-count.c (profile_count::to_frequency): Likewise.
2370
2371 2019-05-20  Martin Liska  <mliska@suse.cz>
2372
2373         * profile-count.h (enum profile_quality): Use capital letters
2374         for enum value names.  Use the adjusted names.
2375         * profile-count.c: Use the adjusted names.
2376
2377 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2378
2379         * config/rs6000/constraints.md (define_register_constraint "wH"):
2380         Delete.
2381         (define_register_constraint "wI"): Delete.
2382         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2383         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2384         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2385         (rs6000_init_hard_regno_mode_ok): Adjust.
2386         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2387         resp. "d", or with "wa" as appropriate, all with "p8v".
2388         * config/rs6000/vsx.md: Ditto.
2389         * doc/md.texi (Machine Constraints): Adjust.
2390
2391 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2392
2393         * config/rs6000/constraints.md (define_register_constraint "wy"):
2394         Delete.
2395         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2396         RS6000_CONSTRAINT_wy.
2397         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2398         (rs6000_init_hard_regno_mode_ok): Adjust.
2399         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2400         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2401         (define_mode_attr Fisa): New.
2402         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2403         * doc/md.texi (Machine Constraints): Adjust.
2404
2405 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2406
2407         * config/rs6000/constraints.md (define_register_constraint "wu"):
2408         Delete.
2409         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2410         RS6000_CONSTRAINT_wu.
2411         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2412         (rs6000_init_hard_regno_mode_ok): Adjust.
2413         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2414         both with "p8v".
2415         (define_mode_attr Fa): Delete.
2416         * config/rs6000/vsx.md: Ditto.
2417         * doc/md.texi (Machine Constraints): Adjust.
2418
2419 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2420
2421         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2422         Delete.
2423         (define_register_constraint "wK"): Delete.
2424         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2425         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2426         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2427         (rs6000_init_hard_regno_mode_ok): Adjust.
2428         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2429         Replace "wK" constraint by "wH" with "p9v".
2430         * config/rs6000/vsx.md: Ditto.
2431         * doc/md.texi (Machine Constraints): Adjust.
2432
2433 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2434
2435         * config/rs6000/constraints.md (define_register_constraint "wb"):
2436         Delete.
2437         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2438         RS6000_CONSTRAINT_wb.
2439         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2440         (rs6000_init_hard_regno_mode_ok): Adjust.
2441         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2442         * config/rs6000/vsx.md: Ditto.
2443         * doc/md.texi (Machine Constraints): Adjust.
2444
2445 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2446
2447         * config/rs6000/constraints.md (define_register_constraint "wo"):
2448         Delete.
2449         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2450         RS6000_CONSTRAINT_wo.
2451         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2452         (rs6000_init_hard_regno_mode_ok): Adjust.
2453         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2454         * config/rs6000/altivec.md: Ditto.
2455         * doc/md.texi (Machine Constraints): Adjust.
2456
2457 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2458
2459         * config/darwin-c.c (darwin_register_objc_includes): Do not
2460         prepend the sysroot when building gnu-runtime header search
2461         paths.
2462
2463 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2464
2465         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2466         instead of direct output of the asm.
2467
2468 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2469
2470         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2471         argument to be type bool (was int before).
2472         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2473         at first use.  Use type bool for some variables.  Fix a theoretical
2474         eh_return bug for svr4.
2475
2476 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2477
2478         * config/rs6000/rs6000.md (isa): New attribute.
2479         (enabled): New attribute.
2480
2481 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2482
2483         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2484         assemble_start_function and assemble_end_function.
2485
2486 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2487
2488         PR middle-end/89433
2489         * omp-general.c (oacc_verify_routine_clauses): Change formal
2490         parameters.  Add checking if already marked with an OpenACC
2491         'routine' directive.  Adjust all users.
2492
2493         PR middle-end/89433
2494         * omp-general.c (oacc_build_routine_dims): Move some of its
2495         processing into...
2496         (oacc_verify_routine_clauses): ... this new function.
2497         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2498
2499 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2500
2501         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2502         formating of picbase labels to match other ports.
2503
2504 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2505
2506         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2507         in the generated code.
2508
2509 2019-05-16  Martin Sebor  <msebor@redhat.com>
2510
2511         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2512         identifiers, keywords, operators, and types in diagnostics.  Correct
2513         quoting, spelling, and sentence capitalization issues.
2514         (expand_builtin_atomic_is_lock_free): Same.
2515         (fold_builtin_next_arg): Same.
2516         * cfgexpand.c (expand_one_var): Same.
2517         (tree_conflicts_with_clobbers_p): Same.
2518         (expand_asm_stmt): Same.
2519         (verify_loop_structure): Same.
2520         * cgraphunit.c (process_function_and_variable_attributes): Same.
2521         * collect-utils.c (collect_execute): Same.
2522         * collect2.c (maybe_run_lto_and_relink): Same.
2523         (is_lto_object_file): Same.
2524         (scan_prog_file): Same.
2525         * convert.c (convert_to_real_1): Same.
2526         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2527         * except.c (verify_eh_tree): Same.
2528         * gcc.c (execute): Same.
2529         (eval_spec_function): Same.
2530         (run_attempt): Same.
2531         (driver::set_up_specs): Same.
2532         (compare_debug_auxbase_opt_spec_function): Same.
2533         * gcov-tool.c (unlink_gcda_file): Same.
2534         (do_merge): Same.
2535         (do_rewrite): Same.
2536         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2537         * gimplify.c (gimplify_asm_expr): Same.
2538         (gimplify_adjust_omp_clauses): Same.
2539         * hsa-gen.c (gen_hsa_addr_insns): Same.
2540         (gen_hsa_insns_for_load): Same.
2541         (gen_hsa_cmp_insn_from_gimple): Same.
2542         (gen_hsa_insns_for_operation_assignment): Same.
2543         (gen_get_level): Same.
2544         (gen_hsa_alloca): Same.
2545         (omp_simple_builtin::generate): Same.
2546         (gen_hsa_atomic_for_builtin): Same.
2547         (gen_hsa_insns_for_call): Same.
2548         * input.c (dump_location_info): Same.
2549         * ipa-devirt.c (compare_virtual_tables): Same.
2550         * ira.c (ira_setup_eliminable_regset): Same.
2551         * lra-assigns.c (lra_assign): Same.
2552         * lra-constraints.c (lra_constraints): Same.
2553         * lto-streamer-in.c (lto_input_mode_table): Same.
2554         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2555         (merge_and_complain): Same.
2556         (compile_offload_image): Same.
2557         (compile_images_for_offload_targets): Same.
2558         (debug_objcopy): Same.
2559         (run_gcc): Same.
2560         (main): Same.
2561         * opts.c (print_specific_help): Same.
2562         (parse_no_sanitize_attribute): Same.
2563         (print_help): Same.
2564         (handle_param): Same.
2565         * plugin.c (add_new_plugin): Same.
2566         (parse_plugin_arg_opt): Same.
2567         (try_init_one_plugin): Same.
2568         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2569         operators, and types in diagnostics.  Correct quoting and spelling
2570         issues.
2571         * read-rtl-function.c (parse_edge_flag_token): Same.
2572         (function_reader::parse_enum_value): Same.
2573         * reg-stack.c (check_asm_stack_operands): Same.
2574         * regcprop.c (validate_value_data): Same.
2575         * sched-rgn.c (make_pass_sched_fusion): Same.
2576         * stmt.c (check_unique_operand_names): Same.
2577         * targhooks.c (default_target_option_pragma_parse): Same.
2578         * tlink.c (recompile_files): Same.
2579         * toplev.c (process_options): Same.
2580         (do_compile): Same.
2581         * trans-mem.c (diagnose_tm_1): Same.
2582         (ipa_tm_scan_irr_block): Same.
2583         (ipa_tm_diagnose_transaction): Same.
2584         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2585         format a tree code name in a diagnostic.
2586         (verify_types_in_gimple_min_lval): Same.
2587         (verify_types_in_gimple_reference): Same.
2588         (verify_gimple_call): Same.
2589         (verify_gimple_assign_unary): Same.
2590         (verify_gimple_assign_binary): Same.
2591         (verify_gimple_assign_ternary): Same.
2592         (verify_gimple_assign_single): Same.
2593         (verify_gimple_switch): Same.
2594         (verify_gimple_label): Same.
2595         (verify_gimple_phi): Same.
2596         (verify_gimple_in_seq): Same.
2597         (verify_eh_throw_stmt_node): Same.
2598         (collect_subblocks): Same.
2599         (gimple_verify_flow_info): Same.
2600         (do_warn_unused_result): Same.
2601         * tree-inline.c (expand_call_inline): Same.
2602         * tree-into-ssa.c (update_ssa): Same.
2603         * tree.c (tree_int_cst_elt_check_failed): Same.
2604         (tree_vec_elt_check_failed): Same.
2605         (omp_clause_operand_check_failed): Same.
2606         (verify_type_variant): Same.
2607         (verify_type): Same.
2608         * value-prof.c (verify_histograms): Same.
2609         * varasm.c (assemble_start_function): Same.
2610
2611 2019-05-16  Martin Sebor  <msebor@redhat.com>
2612
2613         * config/i386/i386-expand.c (get_element_number): Quote keywords
2614         and other internal names in diagnostics.  Adjust other diagnostic
2615         formatting issues noted by -Wformat-diag.
2616         * config/i386/i386-features.c
2617         (ix86_mangle_function_version_assembler_name): Same.
2618         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2619         * config/i386/i386.c (ix86_function_type_abi): Same.
2620         (ix86_function_ms_hook_prologue): Same.
2621         (classify_argument): Same.
2622         (ix86_expand_prologue): Same.
2623         (ix86_md_asm_adjust): Same.
2624         (ix86_memmodel_check): Same.
2625
2626 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2627
2628         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2629         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2630         and fpxx modes.
2631
2632 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2633
2634         PR target/90497
2635         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2636         intrinsics without SSE/SSE2/SSSE3.
2637         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2638         check.
2639         (*mmx_uavgv8qi3): Likewise.
2640
2641 2019-05-17  Richard Biener  <rguenther@suse.de>
2642
2643         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2644         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2645
2646 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2647
2648         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2649         vec_sldw insn pattern.
2650
2651 2019-05-17  Richard Biener  <rguenther@suse.de>
2652
2653         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2654
2655 2019-05-17  Martin Liska  <mliska@suse.cz>
2656
2657         PR driver/90496
2658         * toplev.c (output_stack_usage): With LTO and sanitizer it
2659         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2660         has no file location.
2661
2662 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2663
2664         PR c++/90484
2665         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2666         sz0 is equal to sz1, instead return false in that case.
2667
2668         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2669         has non-constant expression, force sctx.lane and use two
2670         argument IFN_GOMP_SIMD_LANE instead of single argument.
2671         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2672         two argument IFN_GOMP_SIMD_LANE without lhs.
2673         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2674         member.
2675         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2676         Define.
2677         (LOOP_REQUIRES_VERSIONING): Or in
2678         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2679         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2680         simd_if_cond.
2681         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2682         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2683         from simd if clause if needed.
2684
2685 2019-05-16  Richard Biener  <rguenther@suse.de>
2686
2687         * tree-affine.c (expr_to_aff_combination): New function split
2688         out from...
2689         (tree_to_aff_combination): ... here.
2690         (aff_combination_expand): Avoid building a GENERIC tree.
2691
2692 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2693
2694         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2695         assemble_start_function and assemble_end_function calls.
2696         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2697         assemble_start_function and assemble_end_function.
2698         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2699         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2700         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2701         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2702         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2703         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2704         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2705         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2706         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2707         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2708         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2709         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2710         Likewise.
2711         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2712         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2713         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2714         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2715         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2716         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2717         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2718         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2719         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2720         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2721         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2722         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2723         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2724         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2725         Likewise.
2726         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2727         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2728         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2729
2730 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2731
2732         * tree-ssa-alias.c (alias_stats): Add
2733         aliasing_component_refs_p_may_alias and
2734         aliasing_component_refs_p_no_alias.
2735         (dump_alias_stats): Print aliasing_component_refs_p stats.
2736         (aliasing_component_refs_p): Update stats.
2737
2738 2019-05-16  Martin Liska  <mliska@suse.cz>
2739
2740         PR lto/90500
2741         * multiple_target.c (expand_target_clones): Do not allow
2742         target_clones being used with a symbol that is an alias.
2743
2744 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2745
2746         PR tree-optimization/90394
2747         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2748         positives rather than ICE for cases where (code2 == NE_EXPR
2749         && code1 == BIT_AND_EXPR).
2750
2751 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2752
2753         PR fortran/90329
2754         * tree-core.h (struct tree_decl_common): Document
2755         decl_nonshareable_flag for PARM_DECLs.
2756         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2757         * calls.c (expand_call): Don't try tail call if caller
2758         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2759         passed on the stack and callee needs to pass any arguments on the
2760         stack.
2761         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2762         else if instead of series of mutually exclusive ifs.  Handle
2763         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2764         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2765
2766         * lto-streamer.h (LTO_major_version): Bump to 9.
2767
2768 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2769
2770         PR tree-optimization/90106
2771         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2772         new parameter as new internal function call, also move it to new
2773         basic block.
2774         (use_internal_fn): Pass internal function call to
2775         shrink_wrap_one_built_in_call_with_conds.
2776
2777 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2778
2779         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2780         max_vf to 1.
2781         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2782         safelen_int and set loop->dont_vectorize.
2783
2784 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2785
2786         PR target/89021
2787         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2788         SSE/SSE2/SSSE3.
2789         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2790         Likewise.
2791         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2792         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2793         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2794         is defined.
2795
2796 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2797
2798         PR target/89021
2799         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2800         define_insn_and_split to support SSE emulation.
2801         (*vec_extractv2sf_0): Likewise.
2802         (*vec_extractv2sf_1): Likewise.
2803         (*vec_extractv2si_0): Likewise.
2804         (*vec_extractv2si_1): Likewise.
2805         (*vec_extractv2si_zext_mem): Likewise.
2806         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2807         (vec_extractv2sf_1 splitter): Likewise.
2808         (vec_extractv2sfsf): Likewise.
2809         (vec_setv2si): Likewise.
2810         (vec_extractv2si_1 splitter): Likewise.
2811         (vec_extractv2sisi): Likewise.
2812         (vec_setv4hi): Likewise.
2813         (vec_extractv4hihi): Likewise.
2814         (vec_setv8qi): Likewise.
2815         (vec_extractv8qiqi): Likewise.
2816         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2817         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2818         (vec_extractv2sisi): Likewise.
2819         (vec_extractv4hihi): Likewise.
2820         (vec_extractv8qiqi): Likewise.
2821         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2822         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2823         (vec_initv2sisi): Likewise.
2824         (vec_initv4hihi): Likewise.
2825         (vec_initv8qiqi): Likewise.
2826         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2827         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2828         (vec_setv4hi): Likewise.
2829         (vec_setv8qi): Likewise.
2830
2831 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2832
2833         PR target/89021
2834         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2835         TARGET_MMX_WITH_SSE.
2836         (MMXMODE:*mov<mode>_internal): Likewise.
2837         (MMXMODE:movmisalign<mode>): Likewise.
2838
2839 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2840
2841         PR target/89021
2842         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2843         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2844         (sse2_cvtpd2pi): Ditto.
2845         (sse2_cvttpd2pi): Ditto.
2846         (*vec_concatv2sf_sse4_1): Ditto.
2847         (*vec_concatv2sf_sse): Ditto.
2848         (*vec_concatv2si_sse4_1): Ditto.
2849         (*vec_concatv2si): Ditto.
2850         (*vec_concatv4si_0): Ditto.
2851         (*vec_concatv2di_0): Ditto.
2852
2853 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2854
2855         PR target/89021
2856         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2857
2858 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2859
2860         PR target/89021
2861         * config/i386/sse.md (ssse3_palignrdi): Changed to
2862         define_insn_and_split to support SSE emulation.
2863
2864 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2865
2866         PR target/89021
2867         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2868
2869 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2870
2871         PR target/89021
2872         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2873         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2874         SSE emulation.
2875
2876 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2877
2878         PR target/89021
2879         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2880         or TARGET_MMX_WITH_SSE.
2881         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2882
2883 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2884
2885         PR target/89021
2886         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2887
2888 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2889
2890         PR target/89021
2891         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2892         Changed to define_insn_and_split to support SSE emulation.
2893
2894 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2895
2896         PR target/89021
2897         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2898         Changed to define_insn_and_split to support SSE emulation.
2899
2900 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2901
2902         PR target/89021
2903         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2904         (*mmx_<emms>): This.
2905         (mmx_<emms>): New expander.
2906
2907 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2908
2909         PR target/89021
2910         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2911         support.
2912         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2913
2914 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2915
2916         PR target/89021
2917         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2918
2919 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2920
2921         PR target/89021
2922         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2923
2924 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2925
2926         PR target/89021
2927         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2928         TARGET_MMX_WITH_SSE.
2929         (*mmx_uavgv4hi3): Add SSE emulation.
2930
2931 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2932
2933         PR target/89021
2934         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2935         and TARGET_MMX_WITH_SSE.
2936         (*mmx_uavgv8qi3): Add SSE emulation.
2937
2938 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2939
2940         PR target/89021
2941         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2942         maskmovdqu for __MMX_WITH_SSE__.
2943
2944 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2945
2946         PR target/89021
2947         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2948         TARGET_MMX and TARGET_MMX_WITH_SSE.
2949         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2950
2951 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         PR target/89021
2954         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2955         define_insn_and_split to support SSE emulation.
2956
2957 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2958
2959         PR target/89021
2960         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2961         and TARGET_MMX_WITH_SSE.
2962         (mmx_<code>v8qi3): Likewise.
2963         (smaxmin:<code>v4hi3): New.
2964         (umaxmin:<code>v8qi3): Likewise.
2965         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2966         (umaxmin:*mmx_<code>v8qi3): Likewise.
2967
2968 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2969
2970         PR target/89021
2971         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2972         TARGET_MMX_WITH_SSE.
2973         (*mmx_pinsrw): Add SSE emulation.
2974
2975 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2976
2977         PR target/89021
2978         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2979
2980 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2981
2982         PR target/89021
2983         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2984         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2985         SSE emulation.
2986
2987 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2988
2989         PR target/89021
2990         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2991         (sse_cvttps2pi): Likewise.
2992
2993 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2994
2995         PR target/89021
2996         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2997         TARGET_MMX_WITH_SSE.
2998         (mmx_pshufw_1): Add SSE emulation.
2999         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3000         TARGET_MMX_WITH_SSE to support SSE emulation.
3001
3002 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3003
3004         PR target/89021
3005         * config/i386/constraints.md (Yw): New constraint.
3006         * config/i386/mmx.md (*vec_dupv2si): Changed to
3007         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3008         support SSE emulation.
3009
3010 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3011
3012         PR target/89021
3013         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3014         TARGET_MMX_WITH_SSE.
3015         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3016         support.
3017         (mmx_gt<mode>3): Likewise.
3018
3019 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3020
3021         PR target/89021
3022         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3023         TARGET_MMX_WITH_SSE.  Add SSE support.
3024
3025 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3026
3027         PR target/89021
3028         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3029         TARGET_MMX_WITH_SSE.
3030         (any_logic:<code><mode>3): New.
3031         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3032         Add SSE support.
3033
3034 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3035
3036         PR target/89021
3037         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3038         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3039         (mmx_<shift_insn><mode>3): Likewise.
3040         (ashr<mode>3): New.
3041         (<shift_insn><mode>3): Likewise.
3042
3043 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3044
3045         PR target/89021
3046         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3047         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3048
3049 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3050
3051         PR target/89021
3052         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3053         TARGET_MMX_WITH_SSE.
3054         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3055         SSE support.
3056
3057 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3058
3059         PR target/89021
3060         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3061         TARGET_MMX_WITH_SSE.
3062         (mulv4hi3): New.
3063         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3064         support.
3065
3066 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3067
3068         PR target/89021
3069         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3070         (plusminus:mmx_<plusminus_insn><mode>3): Check
3071         TARGET_MMX_WITH_SSE.
3072         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3073         (<plusminus_insn><mode>3): New.
3074         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3075         (*mmx_<plusminus_insn><mode>3): Likewise.
3076
3077 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3078
3079         PR target/89021
3080         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3081         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3082         prototype.
3083         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3084         define_insn_and_split to support SSE emulation.
3085         (mmx_punpcklbw): Likewise.
3086         (mmx_punpckhwd): Likewise.
3087         (mmx_punpcklwd): Likewise.
3088         (mmx_punpckhdq): Likewise.
3089         (mmx_punpckldq): Likewise.
3090
3091 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3092             Uros Bizjak  <ubizjak@gmail.com>
3093
3094         PR target/89021
3095         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3096         New function.
3097         (ix86_split_mmx_pack): Likewise.
3098         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3099         New prototype.
3100         (ix86_split_mmx_pack): Likewise.
3101         * config/i386/i386.md (mmx_isa): New.
3102         (enabled): Also check mmx_isa.
3103         * config/i386/mmx.md (any_s_truncate): New code iterator.
3104         (s_trunsuffix): New code attr.
3105         (mmx_packsswb): Removed.
3106         (mmx_packssdw): Likewise.
3107         (mmx_packuswb): Likewise.
3108         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3109         MMX packsswb/packuswb with SSE2.
3110         (mmx_packssdw): Likewise.
3111         * config/i386/predicates.md (register_mmxmem_operand): New.
3112
3113 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3114
3115         PR target/89021
3116         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3117         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3118         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3119         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3120         (ix86_vector_mode_supported_p): Likewise.
3121         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3122
3123 2019-05-15  Martin Liska  <mliska@suse.cz>
3124
3125         PR middle-end/90478
3126         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3127         Check for overflow.
3128
3129 2019-05-15  Richard Biener  <rguenther@suse.de>
3130
3131         * tree-into-ssa.c (pass_build_ssa::execute): Run
3132         update_address_taken before going into SSA.
3133
3134 2019-05-15  Richard Biener  <rguenther@suse.de>
3135
3136         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3137         as __BIT_FIELD_REF with type with -gimple.
3138
3139 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3140
3141         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3142         semantically equivalent branches (left over after prior refactorings).
3143
3144 2019-05-15  Richard Biener  <rguenther@suse.de>
3145
3146         PR tree-optimization/88828
3147         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3148         bogus check.
3149
3150 2019-05-14  Richard Biener  <rguenther@suse.de>
3151
3152         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3153         as __VIEW_CONVERT with -gimple.
3154
3155 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3156
3157         PR target/82920
3158         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3159         Darwin.
3160
3161 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3162
3163         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3164         define_split to become a define_insn_and_split.
3165
3166 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3167
3168         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3169         arguments.
3170         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3171         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3172         (sibcall_epilogue): Adjust.
3173         (epilogue): Adjust.
3174
3175 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3176
3177         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3178         to unsupported ones.
3179         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3180         * config.host: Likewise.
3181         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3182         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3183         __svr4__]: Remove "brand" fallback.
3184         [!KSTAT_DATA_STRING]: Remove.
3185         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3186         to *-*-solaris2*.
3187         (comdat_group): Likewise.
3188         (set_have_as_tls): Likewise.
3189         (gcc_cv_target_dl_iterate_phdr): Likewise.
3190         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3191         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3192         * configure: Regenerate.
3193         * doc/install.texi: Simplify Solaris target triplets.
3194         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3195         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3196         Remove Solaris 10 references.
3197         Remove obsolete Solaris bug reference.
3198         (Specific, sparc-sun-solaris2.10): Remove.
3199
3200 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3201
3202         * config/i386/i386.md (any_div): New code iterator.
3203         (paired_mod): New code attribute.
3204         (sgnprefix): Handle DIV and UDIV RTXes.
3205         (u): Ditto.
3206         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3207         and udivmod<mode>4 patterns using any_div code iterator.
3208         (divmod splitters): Macroize splitters using any_div code iterator.
3209         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3210         (*udivmodsi4_pow2_zext_2): Ditto.
3211         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3212         and *udivmod<mode>4_noext patterns using any_div code iterator.
3213         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3214         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3215         patterns using any_div code iterator.
3216         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3217         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3218         patterns using any_div code iterator.
3219         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3220         udivmodhiqi3 patterns using any_extend code iterator.
3221
3222 2019-05-14  Richard Biener  <rguenther@suse.de>
3223             H.J. Lu  <hongjiu.lu@intel.com>
3224
3225         PR tree-optimization/88828
3226         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3227         permuting in a single non-constant element not extracted
3228         from a vector.
3229
3230 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3231
3232         * internal-fn.def (SIGNBIT): New.
3233         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3234         defined.
3235         (signbitv4sf2): Likewise.
3236
3237 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3238
3239         PR target/90357
3240         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3241         next insn when the SRC reg is dead.
3242
3243 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3244
3245         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3246         (alloc_cand_and_find_basis): Ditto.
3247         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3248         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3249         (create_add_imm_cand, slsr_process_cast): Ditto.
3250         (slsr_process_copy, replace_mult_candidate): Ditto.
3251         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3252         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3253         (pass_strength_reduction::execute): Init the first NULL element.
3254
3255 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3256
3257         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3258         (run_attempt): Reformat line break.
3259
3260 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3261
3262         PR target/90418
3263         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3264         data registers in sibcall epilogues.
3265         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3266
3267 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3268
3269         PR target/89221
3270         * configure.ac (--enable-frame-pointer):
3271         Disable by default for cygwin and mingw.
3272         * configure: Regenerate.
3273
3274 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3275
3276         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3277         piece of code.
3278         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3279         (gen_member_die): Move abstract origin check earlier.  Only VARs
3280         can be static_inline_p.  Simplify splicing control flow.
3281
3282 2019-05-13  Richard Biener  <rguenther@suse.de>
3283
3284         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3285         VIEW_CONVERT_EXPR.
3286         (vect_build_slp_tree_1): Likewise.
3287
3288 2019-05-13  Richard Biener  <rguenther@suse.de>
3289
3290         PR tree-optimization/90402
3291         * tree-if-conv.c (tree_if_conversion): Value number only
3292         the loop body by making the latch an exit of the region
3293         as well.
3294         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3295         processing PHIs.
3296         (do_rpo_vn): Deal with multiple edges into the entry block
3297         that are not backedges inside the region by skipping PHIs
3298         of the entry block.
3299
3300 2019-05-13  Richard Biener  <rguenther@suse.de>
3301
3302         PR tree-optimization/90316
3303         * tree-ssa-pre.c (insert_aux): Fold into ...
3304         (insert): ... this function.  Use a RPO walk to reduce the
3305         number of required iterations.
3306
3307 2019-05-13  Martin Liska  <mliska@suse.cz>
3308
3309         PR tree-optimization/90416
3310         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3311         string instead of passing the second part as va_arg argument.
3312
3313 2019-05-13  Martin Liska  <mliska@suse.cz>
3314
3315         PR gcov-profile/90380
3316         * gcov.c (handle_cycle): Do not support zero cycle count,
3317         it should not be possible.
3318         (path_contains_zero_cycle_arc): New function.
3319         (circuit): Ignore zero cycle arc counts.
3320
3321 2019-05-13  Martin Liska  <mliska@suse.cz>
3322
3323         PR gcov-profile/90380
3324         * gcov.c (enum loop_type): Remove the enum and
3325         the operator.
3326         (handle_cycle): Assert that we should not reach
3327         a negative count.
3328         (circuit): Use loop_found instead of a tri-state loop_type.
3329         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3330         happen.
3331
3332 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3333
3334         PR target/82920
3335         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3336         (ix86_output_indirect_branch_via_reg): Use output mechanism
3337         accounting for __USER_LABEL_PREFIX__.
3338         (ix86_output_indirect_branch_via_push): Likewise.
3339         (ix86_output_function_return): Likewise.
3340         (ix86_output_indirect_function_return): Likewise.
3341
3342 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3343
3344         * doc/md.texi: Document use of code attributes in rtx patterns.
3345         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3346         * read-rtl.c (find_code): Split out search loops into...
3347         (maybe_find_code): ...this new function.
3348         (check_code_iterator): Make the error message more informative.
3349         (check_code_attribute): New function.
3350         (rtx_reader::rtx_alloc_for_name): Likewise.
3351         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3352         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3353         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3354         <max_opp> directly as an rtx code instead of via a match_operator.
3355         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3356         (<su>abd<mode>_3): Update accordingly.
3357
3358 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3359
3360         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3361         is given, print the state of the EH "save world" computation for
3362         Darwin.
3363
3364 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3365
3366         PR c++/59813
3367         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3368         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3369
3370 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3371
3372         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3373         Use pinsrd for TARGET_SSE4_1.
3374         * config/i386/sse.md (movdi_to_sse): Ditto.
3375
3376 2019-05-10  Richard Biener  <rguenther@suse.de>
3377
3378         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3379         (do_rpo_vn): Initialize next_value_id.
3380
3381 2019-05-10  Martin Liska  <mliska@suse.cz>
3382
3383         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3384         Fix plural form.
3385
3386 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3387
3388         PR tree-optimization/90385
3389         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3390         arguments of the exit phis.
3391
3392         PR c++/90383
3393         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3394         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3395         id->do_not_fold.
3396         (copy_tree_body_r): Likewise.
3397         (copy_fn): Set id.do_not_fold to true.
3398
3399 2019-05-10  Martin Liska  <mliska@suse.cz>
3400
3401         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3402         Reapply changes from r269790.
3403
3404 2019-05-10  Martin Liska  <mliska@suse.cz>
3405
3406         PR middle-end/90340
3407         * doc/invoke.texi: New params.
3408         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3409         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3410         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3411         Use it.
3412         * tree-switch-conversion.h (struct jump_table_cluster):
3413         Likewise.
3414
3415 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3416
3417         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3418
3419 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3420
3421         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3422
3423 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3424
3425         PR rtl-optimization/88879
3426         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3427
3428 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3429
3430         PR target/90405
3431         * config/arm/arm.c (callee_saved_reg_p): Move before
3432         thumb_find_work_register.
3433         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3434         thumb_find_work_register.  Only call df_get_live_out once.
3435         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3436         (thumb_find_work_register): Use
3437         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3438         algorithms to locate a spare call clobbered reg.
3439
3440 2019-05-09  Martin Liska  <mliska@suse.cz>
3441
3442         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3443         and MAX_EXPR in GIMPLE FE format.
3444
3445 2019-05-09  Martin Liska  <mliska@suse.cz>
3446
3447         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3448         * gimple-pretty-print.c (dump_gimple_bb_header):
3449         Dump BB count.
3450         (pp_cfg_jump): Dump edge probability.
3451         * profile-count.c (profile_quality_as_string): Simplify
3452         with a static array.
3453         (parse_profile_quality): New function.
3454         (profile_count::dump): Simplify with a static array.
3455         (profile_count::from_gcov_type): Add new argument.
3456         * profile-count.h (parse_profile_quality): Likewise.
3457         * predict.h (set_hot_bb_threshold): New.
3458         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3459         New param.
3460         * predict.c (get_hot_bb_threshold): Set from the new param.
3461         (set_hot_bb_threshold): New.
3462
3463 2019-05-09  Richard Biener  <rguenther@suse.de>
3464
3465         PR tree-optimization/90395
3466         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3467         rewrite vector stores that throw internally.
3468
3469 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3470
3471         * cif-code.def (CHKP): Remove.
3472
3473         PR target/89221
3474         * configure.ac (--enable-frame-pointer): Disable by default for
3475         GNU systems.
3476         * configure: Regenerate.
3477
3478 2019-05-09  Alan Modra  <amodra@gmail.com>
3479
3480         PR target/89271
3481         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3482         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3483         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3484         cost for general <-> vsx when direct moves are available.
3485         Cost union classes at minimal cost for any reg in the class.
3486         Correct calculation for moves between vsx, float, and altivec.
3487         Don't return a low cost for moves between special regs.  Don't
3488         use hard coded register numbers.
3489         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3490         (rs6000_ira_change_pseudo_allocno_class): New function.
3491         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3492         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3493         alternatives.
3494         (movsi_internal1): Don't disparage vector alternatives.
3495         (mov<mode>_internal): Likewise, excepting alternative that
3496         will be split.
3497         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3498         we <- b alternative.
3499
3500 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3501
3502         PR c++/59813
3503         PR tree-optimization/89060
3504         * tree-ssa-live.h (live_vars_map): New typedef.
3505         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3506         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3507         (struct compute_live_vars_data): New type.
3508         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3509         live_vars_at_stmt, destroy_live_vars): New functions.
3510         * tree-tailcall.c: Include tree-ssa-live.h.
3511         (live_vars, live_vars_vec): New global variables.
3512         (find_tail_calls): Perform variable life analysis before punting.
3513         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3514         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3515         member.
3516         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3517         Perform variable life analysis to select variables that really need
3518         clobbers added.
3519         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3520         instead set id->eh_landing_pad_dest and assert it is the same.
3521         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3522
3523 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3524             Richard Earnshaw  <rearnsha@arm.com>
3525
3526         PR target/88167
3527         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3528         function.
3529         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3530         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3531         register if both the epilogue and prologue can use call-clobbered
3532         regs.
3533         (thumb1_unexpanded_epilogue): Use
3534         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3535         picking temporaries for restoring high regs to match that of the
3536         prologue where possible.
3537         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3538         the list of work registers.  Detect if the return address is still live
3539         at the end of the prologue and avoid using it for a work register if so.
3540         If the return address is not live, add LR to the list of pushable regs
3541         after the first pass.
3542
3543 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3544
3545         PR tree-optimization/90078
3546         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3547         (INFTY): Increase the value for infinite cost.
3548         (struct comp_cost): Promote type of members to int64_t.
3549         (infinite_cost): Don't set complexity in initialization.
3550         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3551         overflows to infinite_cost.
3552         (adjust_setup_cost): Promote type of parameter and cost computation
3553         to int64_t.
3554         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3555         int64_t.
3556         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3557         cost computation to int64_t.
3558         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3559         int64_t's format specifier in dump.
3560
3561 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3562
3563         PR tree-optimization/90240
3564         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3565         with respect to scaling factor pre-computed for each basic block.
3566         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3567         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3568         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3569         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3570         live range for array of loop's basic blocks.  Cleanup aux field of
3571         loop's basic blocks.
3572
3573 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3574
3575         PR tree-optimization/90356
3576         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3577
3578 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3579
3580         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3581         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3582         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3583         (ix86_handle_option): Handle -mavx512bf16.
3584         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3585         to extra_headers.
3586         * config/i386/avx512bf16vlintrin.h: New.
3587         * config/i386/avx512bf16intrin.h: New.
3588         * config/i386/cpuid.h (bit_AVX512BF16): New.
3589         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3590         * config/i386/i386-builtin-types.def: Add new types.
3591         * config/i386/i386-builtin.def: Add new builtins.
3592         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3593         __AVX512BF16__.
3594         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3595         (ix86_option_override_internal): Handle BF16.
3596         (ix86_valid_target_attribute_inner_p): Ditto.
3597         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3598         * config/i386/i386-builtin.c (enum processor_features): Add
3599         F_AVX512BF16.
3600         (static const _isa_names_table isa_names_table): Ditto.
3601         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3602         (PTA_AVX512BF16): Ditto.
3603         * config/i386/i386.opt: Add -mavx512bf16.
3604         * config/i386/immintrin.h: Include avx512bf16intrin.h
3605         and avx512bf16vlintrin.h.
3606         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3607         avx512f_cvtneps2bf16_<mode><mask_name>,
3608         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3609         * config/i386/subst.md (mask_half): Add new subst.
3610         * doc/invoke.texi: Document -mavx512bf16.
3611
3612 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3613
3614         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3615         Delete declaration.
3616         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3617         (rs6000_debug_legitimize_reload_address): Delete.
3618         (rs6000_legitimize_reload_address_ptr): Delete.
3619         (rs6000_option_override_internal): Adjust.
3620         (mem_operand_gpr): Adjust comment.
3621         (legitimate_lo_sum_address_p): Ditto.
3622         (rs6000_legitimize_reload_address): Delete.
3623         (rs6000_debug_legitimize_reload_address): Delete.
3624         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3625
3626 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3627
3628         PR target/89765
3629         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3630         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3631         to compute vector element selector for both constant and variable
3632         operands.
3633
3634 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3635
3636         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3637         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3638         ashrdi3_cvt using SWI48 mode iterator.
3639
3640 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3641
3642         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3643         (aarch64_<su>abd<mode>_3): Likewise.
3644         (*aarch64_<su>abd<mode>_3): New define_insn.
3645         (<sur>sad<vsi2qi>): New define_expand.
3646         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3647         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3648         (build_vect_cond_expr): Likewise.
3649
3650 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3651
3652         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3653         clobbers outside of accessible_reg_set.
3654         * config/i386/i386.c (ix86_conditional_register_usage):
3655         Disable register sets by clearing corresponding bits in
3656         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3657         call_used_regs and don't clear corresponding reg_names array members.
3658
3659 2019-05-07  Richard Biener  <rguenther@suse.de>
3660
3661         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3662         not specified still compute a comp_vectype for invariant
3663         compares.
3664
3665 2019-05-07  Richard Biener  <rguenther@suse.de>
3666
3667         PR tree-optimization/90316
3668         * tree-ssa-pre.c (translate_vuse_through_block): When
3669         same_valid is NULL do not bother to search for a virtual
3670         PHI continuation.
3671         (phi_translate_1): When operands changed we cannot keep
3672         the same value-number so do not bother to ask whether
3673         that's possible from translate_vuse_through_block.
3674
3675 2019-05-07  Martin Liska  <mliska@suse.cz>
3676
3677         * bitmap.c (bitmap_register): Come up with
3678         alloc_descriptor_max_uid and assign it for
3679         a new bitmap.
3680         (register_overhead): Use get_descriptor as
3681         a descriptor.
3682         (release_overhead): New.
3683         (bitmap_elem_to_freelist): Call it.
3684         (bitmap_elt_clear_from): Likewise.
3685         (bitmap_obstack_free): Likewise.
3686         (bitmap_move): Sensitively release memory.
3687         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3688         (bitmap_initialize): Initialize alloc_descriptor to zero.
3689         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3690
3691 2019-05-07  Richard Biener  <rguenther@suse.de>
3692
3693         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3694         we build a SLP node.  Remove max_size and limiting.
3695         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3696
3697 2019-05-07  Richard Biener  <rguenther@suse.de>
3698
3699         PR tree-optimization/90316
3700         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3701         limit by reference.
3702         (walk_non_aliased_vuses): Take walking limit argument.
3703         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3704         walking if it is reached instead of just counting.
3705         (get_continuation_for_phi): Likewise.
3706         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3707         limiting to the callback.
3708         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3709         (vn_reference_lookup_3): Likewise.
3710         (vn_reference_lookup_pieces): Likewise.
3711         (vn_reference_lookup): Likewise.
3712         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3713         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3714         (avail_exprs_stack::lookup_avail_expr): Likewise.
3715
3716 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3717
3718         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3719         for comparaible types in the second direction even if first one
3720         hits incomparable type.
3721
3722 2019-05-07  Richard Biener  <rguenther@suse.de>
3723
3724         PR lto/90369
3725         * lto-wrapper.c (debug_objcopy): Use the original filename
3726         including archive offset for the filename used for -save-temps.
3727
3728 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3729
3730         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3731         detection.
3732
3733 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3734             Hongtao Liu  <hongtao.liu@intel.com>
3735
3736         PR target/89750
3737         PR target/86444
3738         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3739         Modified, original implementation isn't correct.
3740
3741 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3742
3743         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3744         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3745         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3746         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3747         (FRAME_POINTER_REGNUM): Change numbering.
3748         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3749         (alt_reg_names): Adjust.
3750         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3751         fixed.
3752         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3753         (DWARF_FRAME_REGISTERS): Delete.
3754         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3755         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3756         Adjust.
3757         (REG_ALLOC_ORDER): Adjust.
3758         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3759         (REG_CLASS_CONTENTS): Adjust.
3760         (RETURN_ADDR_RTX): Change comment.
3761         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3762         instead of 67.
3763         (REGISTER_NAMES): Adjust.
3764         (ADDITIONAL_REGISTER_NAMES): Adjust.
3765         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3766
3767 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3768
3769         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3770         Delete.
3771         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3772         (DWARF_FRAME_REGISTERS): Adjust.
3773         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3774         Adjust.
3775         (REG_ALLOC_ORDER): Adjust.
3776         (enum reg_class): Delete SPR_REGS.
3777         (REG_CLASS_NAMES): Delete SPR_REGS.
3778         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3779         (REGISTER_NAMES): Adjust.
3780         (ADDITIONAL_REGISTER_NAMES): Adjust.
3781         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3782         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3783         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3784         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3785         (htm_spr_regno): Delete.
3786         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3787         argument.
3788         (rs6000_dbx_register_number): Adjust.
3789
3790 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3791
3792         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3793
3794 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3795
3796         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3797         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3798
3799 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3800
3801         PR tree-optimization/88709
3802         PR tree-optimization/90271
3803         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3804         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3805         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3806         variable.
3807         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3808         of the store merging group is larger than
3809         PARAM_STORE_MERGING_MAX_SIZE parameter.
3810         (split_group): Add bzero_first argument.  If set, always emit first
3811         the first store which must be = {} of the whole area and then for the
3812         rest of the stores consider all zero bytes as paddings.
3813         (imm_store_chain_info::output_merged_store): Check if first store
3814         is = {} of the whole area and if yes, determine which setting of
3815         bzero_first for split_group gives smaller number of stores.  Adjust
3816         split_group callers.
3817         (lhs_valid_for_store_merging_p): Allow decls.
3818         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3819         no elts.
3820         (pass_store_merging::process_store): Likewise.
3821
3822 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3823
3824         PR target/89424
3825         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3826         handling of V1TImode.
3827
3828 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3829
3830         PR target/89221
3831         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3832         and enable_frame_pointer ...
3833         * configure.ac: ... here.  Update help strings for
3834         --enable-frame-pointer.
3835         * configure: Regenerate.
3836         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3837         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3838         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3839         (USE_X86_64_FRAME_POINTER): Ditto.
3840
3841 2019-05-06  Martin Liska  <mliska@suse.cz>
3842
3843         * config.gcc: Append to target_gtfiles and fix indentation.
3844
3845 2019-05-06  Richard Biener  <rguenther@suse.de>
3846
3847         PR tree-optimization/90358
3848         * tree-vect-stmts.c (get_group_load_store_type): Properly
3849         detect unused upper half of load.
3850         (vectorizable_load): Likewise.
3851
3852 2019-05-06  Richard Biener  <rguenther@suse.de>
3853
3854         PR tree-optimization/88828
3855         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3856         (simplify_vector_constructor): ...here.  Handle constants in
3857         the constructor.
3858
3859 2019-05-06  Richard Biener  <rguenther@suse.de>
3860
3861         PR tree-optimization/90328
3862         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3863         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3864         is valid in the loop nest before using it.
3865         (initialize_data_dependence_relation): Adjust.
3866         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3867         loop as loop-nest to dr_may_alias_p.
3868
3869 2019-05-06  Richard Biener  <rguenther@suse.de>
3870
3871         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3872
3873 2019-05-06  Richard Biener  <rguenther@suse.de>
3874
3875         PR tree-optimization/90316
3876         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3877         compute target on demand.
3878         (get_continuation_for_phi): Remove code walking stmts to
3879         get to a target virtual operand which could end up being
3880         quadratic.
3881
3882 2019-05-06  Martin Liska  <mliska@suse.cz>
3883
3884         PR sanitizer/90312
3885         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3886         when -mabi is selected to a non-default version.
3887
3888 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3889             Martin Liska  <mliska@suse.cz>
3890
3891         * Makefile.in: Add lto-dump.texi.
3892         * cgraph.h: Add new functions get_visibility_string and
3893         get_symtab_type_string.
3894         * doc/gcc.texi: Include lto-dump section.
3895         * doc/lto-dump.texi: New file.
3896         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3897         (parse_dump_option): Factor out this function.
3898         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3899         (parse_dump_option): Export the function.
3900         * symtab.c (symtab_node::get_visibility_string): New function.
3901         (symtab_node::get_symtab_type_string): Likewise.
3902
3903 2019-05-06  Martin Liska  <mliska@suse.cz>
3904
3905         * config/i386/i386-builtins.c: New file.
3906         * config/i386/i386-builtins.h: New file.
3907         * config/i386/i386-expand.c: New file.
3908         * config/i386/i386-expand.h: New file.
3909         * config/i386/i386-features.c: New file.
3910         * config/i386/i386-features.h: New file.
3911         * config/i386/i386-options.c: New file.
3912         * config/i386/i386-options.h: New file.
3913         * config.gcc: Add new files into extra_objs and
3914         target_gtfiles.
3915         * config/i386/i386.c: Split content of the file
3916         into newly introduced files.
3917         * config/i386/i386.h: Declare common variables
3918         and macros.
3919         * config/i386/t-i386: Define dependencies for new files.
3920
3921 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3922
3923         PR target/89400
3924         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3925         Restrict 'all' variant to 32-bit configurations.
3926         (unaligned_loadhiu): Likewise.
3927         (unaligned_storehi): Likewise.
3928         (unaligned_storesi): Likewise.
3929         (unaligned_loadhis): Disable when compiling for thumb1.
3930
3931 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3932
3933         PR tree-optimization/90269
3934         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3935         Ignore clobbers.
3936
3937 2019-05-03  Martin Liska  <mliska@suse.cz>
3938
3939         * hash-map.h: Add is_empty function.
3940         * hash-set.h: Likewise.
3941         * hash-table.h: Likewise.
3942         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3943         elements () == 0 (and similar usages).
3944         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3945         * gimplify.c (gimplify_bind_expr): Likewise.
3946         (gimplify_switch_expr): Likewise.
3947         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3948         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3949         * postreload-gcse.c (dump_hash_table): Likewise.
3950         (gcse_after_reload_main): Likewise.
3951         * predict.c (combine_predictions_for_bb): Likewise.
3952         * tree-parloops.c (reduction_phi): Likewise.
3953         (separate_decls_in_region): Likewise.
3954         (transform_to_exit_first_loop): Likewise.
3955         (gen_parallel_loop): Likewise.
3956         (gather_scalar_reductions): Likewise.
3957         (try_create_reduction_list): Likewise.
3958         * var-tracking.c (dump_vars): Likewise.
3959         (emit_notes_for_changes): Likewise.
3960         (vt_emit_notes): Likewise.
3961
3962 2019-05-03  Richard Biener  <rguenther@suse.de>
3963
3964         PR tree-optimization/90316
3965         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3966         before running VN.
3967
3968 2019-05-03  Richard Biener  <rguenther@suse.de>
3969
3970         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3971         peeling for gaps by loading only lower halves of vectors
3972         if possible.
3973         (vectorizable_load): Likewise.
3974
3975 2019-05-03  Richard Biener  <rguenther@suse.de>
3976
3977         PR middle-end/89518
3978         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3979
3980 2019-05-03  Richard Biener  <rguenther@suse.de>
3981
3982         PR middle-end/87314
3983         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3984         Handle STRING_CST vs DECL or STRING_CST.
3985
3986 2019-05-03  Richard Biener  <rguenther@suse.de>
3987
3988         PR tree-optimization/88963
3989         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3990         vector loads feeding only BIT_FIELD_REFs to component
3991         loads.  Rewrite stores fed by CONSTRUCTORs to component
3992         stores.
3993
3994 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3995
3996         * opts.h (finish_options): Remove lang_mask argument.
3997         (print_help, help_option_argument): Declare.
3998         * opts.c (print_help): Remove forward declaration, no longer static.
3999         (finish_options): Remove lang_mask argument, don't call print_help
4000         here.
4001         * opts-global.c (decode_options): Adjust finish_option caller, call
4002         print_help here.
4003
4004         PR tree-optimization/90303
4005         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4006         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4007
4008 2019-05-03  Richard Biener  <rguenther@suse.de>
4009
4010         PR tree-optimization/89698
4011         * gimple-fold.c (canonicalize_constructor_val): Early out
4012         for constants, handle unfolded INTEGER_CSTs as they appear in
4013         C++ virtual table ctors.
4014
4015 2019-05-03  Richard Biener  <rguenther@suse.de>
4016
4017         * passes.c (execute_function_todo): Remove dead code.
4018
4019 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4020
4021         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4022         the internal register number, for any "real" register.
4023
4024 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4025
4026         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4027         correct numbers for TFHAR, TFIAR, TEXASR.
4028
4029 2019-05-02  Richard Biener  <rguenther@suse.de>
4030
4031         PR tree-optimization/89653
4032         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4033         update-address-taken before the pass.
4034         * passes.def (pass_tree_loop_init): Put comment before it.
4035
4036 2019-05-02  Richard Biener  <rguenther@suse.de>
4037
4038         PR tree-optimization/89509
4039         * tree-ssa-structalias.c (compute_dependence_clique): Look
4040         at the first subvar when determining whether it is restrict.
4041
4042 2019-05-02  Richard Biener  <rguenther@suse.de>
4043
4044         PR tree-optimization/90273
4045         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4046         useless debug stmts.
4047
4048 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4049
4050         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4051         ACLE branch.
4052         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4053         SVE ACLE branch.
4054         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4055         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4056         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4057         (vectorizable_reduction): Use the functions above to vectorize in a
4058         fully masked loop codes that don't have a conditional internal
4059         function.
4060
4061 2019-05-02  Martin Liska  <mliska@suse.cz>
4062
4063         * cgraphclones.c: Call valid_attribute_p with 1 for
4064         target_clone.
4065         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4066         it's for target attribute.
4067         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4068         Add new boolean argument.
4069         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4070         Likewise.
4071         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4072         to ix86_valid_target_attribute_inner_p.
4073         (ix86_valid_target_attribute_p): Pass flags argument to
4074         ix86_valid_target_attribute_inner_p.
4075         (get_builtin_code_for_version): Use 0 as it's target attribute.
4076
4077 2019-05-02  Martin Liska  <mliska@suse.cz>
4078
4079         * gcc.c (process_command): Add dummy file only
4080         if n_infiles == 0.
4081         * opts-global.c (decode_options): Pass lang_mask.
4082         * opts.c (print_help): New function.
4083         (finish_options): Print --help if help_option_argument
4084         is set.
4085         (common_handle_option): Factor out content of OPT__help_
4086         into print_help.
4087         * opts.h (finish_options): Add new argument.
4088
4089 2019-05-02  Martin Liska  <mliska@suse.cz>
4090
4091         PR target/88809
4092         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4093         With -minline-all-stringops use inline expansion using 4B loop.
4094         * doc/invoke.texi: Document the change of
4095         -minline-all-stringops.
4096
4097 2019-05-01  Jeff Law  <law@redhat.com>
4098
4099         PR tree-optimization/88797
4100         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4101         PHI feeds a conditional on the RHS of an assignment.
4102
4103 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4104             Jim Wilson  <jimw@sifive.com>
4105
4106         * config/riscv/constraints.md (L): New.
4107         * config/riscv/predicates.md (lui_operand): New.
4108         (sfb_alu_operand): New.
4109         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4110         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4111         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4112         * config/riscv/risc.md (type): Add sfb_alu.
4113         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4114         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4115         (branch_zero<mode>): Delete.
4116         (mov<mode>cc): New.
4117         (mov<GPR:mode><X:mode>cc): Likewise.
4118         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4119
4120 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4121
4122         * tree.h (MARK_TS_EXP): New.
4123
4124 2019-04-30  Martin Liska  <mliska@suse.cz>
4125
4126         * opts.c (enable_warning_as_error): Provide hints
4127         for unknown options.
4128
4129 2019-04-30  Martin Liska  <mliska@suse.cz>
4130
4131         PR debug/90288
4132         * doc/invoke.texi: Add missing dash for gas-locview-support
4133         and gno-as-locview-support.
4134
4135 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4136
4137         PR target/89093
4138         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4139         whitespace at the start of target attribute string.
4140
4141 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4142
4143         PR target/86538
4144         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4145         Define __ARM_FEATURE_ATOMICS.
4146
4147 2019-04-30  Martin Liska  <mliska@suse.cz>
4148
4149         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4150         into built_in_function enum. Remove code for endp == 2 and
4151         use BUILT_IN_* constants.
4152         (gimple_fold_builtin): Call the function with fcode.
4153
4154 2019-04-30  Martin Liska  <mliska@suse.cz>
4155
4156         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4157         DECL_FUNCTION_CODE into ix86_builtins enum before
4158         the switch statement.
4159
4160 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4161
4162         PR tree-optimization/89475
4163         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4164         calls.
4165
4166 2019-04-30  Martin Liska  <mliska@suse.cz>
4167
4168         PR translation/90274
4169         * opts.c (print_filtered_help): Wrap string in _(...).
4170
4171 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4172
4173         PR tree-optimization/90240
4174         Revert:
4175         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4176
4177         PR tree-optimization/90078
4178         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4179         checks for infinite_cost overflow.
4180
4181 2019-04-29  Jeff Law  <law@redhat.com>
4182
4183         * passes.def: Move -Wrestrict pass after copy propagation.
4184
4185 2019-04-29  Maya Rashish  <coypu@sdf.org>
4186
4187         * config.gcc (default_gnu_indirect_function): Default to yes
4188         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4189         sparc*-*-netbsd*, x86_64-*-netbsd*.
4190
4191 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4192
4193         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4194         where cond2 is NE_EXPR.
4195         (is_value_included_in): Update comment.
4196
4197 2019-04-29  Richard Biener  <rguenther@suse.de>
4198
4199         PR tree-optimization/90278
4200         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4201         EH on comparison simplification.
4202
4203 2019-04-29  Jason Merrill  <jason@redhat.com>
4204
4205         PR c++/82081 - tail call optimization breaks noexcept
4206         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4207         nothrow function to a might-throw function into a tail call.
4208
4209 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4210
4211         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4212         (DDR_INNER_LOOP): Likewise.
4213         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4214         (initialize_data_dependence_relation): Likewise.
4215         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4216
4217 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4218
4219         PR rtl-optimization/90257
4220         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4221         return value.
4222
4223         Revert the revert:
4224         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4225
4226         PR target/90178
4227         Revert:
4228         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4229
4230         Revert the revert:
4231         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4232
4233         Revert:
4234         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4235
4236         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4237
4238 2019-04-29  Richard Biener  <rguenther@suse.de>
4239
4240         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4241         rhs issue a reset.
4242
4243 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4244
4245         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4246         varasm.h, and netbsd-protos.h.
4247
4248 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4249
4250         PR target/89261
4251         * config/i386/i386-protos.h (ix86_data_alignment): Change
4252         the second argument type to unsigned int.
4253         * config/i386/i386.c (ix86_data_alignment): Change "align"
4254         argument type to unsigned int.
4255
4256 2019-04-27  Martin Liska  <mliska@suse.cz>
4257
4258         PR middle-end/90258
4259         * opt-suggestions.c (option_proposer::build_option_suggestions):
4260         When get_valid_option_values returns empty values, add the
4261         misspelling candidate.
4262
4263 2019-04-26  Jim Wilson  <jimw@sifive.com>
4264
4265         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4266         parameter.
4267         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4268         Pass orig_mode to riscv_build_integer.
4269         (riscv_split_integer): Pass mode to riscv_move_integer.
4270         (riscv_legitimize_const_move): Likewise.
4271         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4272         promoted_mode.  Replace force_reg call with code to load constant into
4273         promoted reg and then subreg it for the store.
4274         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4275         riscv_move_integer.
4276
4277 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4278
4279         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4280         corrupt codes.
4281
4282 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4283
4284         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4285         commentary about the encoding of precision.
4286
4287 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4288
4289         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4290         * config/i386/t-freebsd64: New file.
4291         * config.gcc: Add the t-freebsd64 for multilib support.
4292
4293 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4294
4295         * doc/extend.texi (vector_size): Add missing comma after @xref.
4296
4297 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4298
4299         * BASE-VER: Set to 10.0.0.
4300
4301 2019-04-25  Richard Biener  <rguenther@suse.de>
4302
4303         PR middle-end/89765
4304         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4305         VIEW_CONVERT_EXPR into one operating on an rvalue.
4306
4307 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4308
4309         PR target/89929
4310         * config/i386/i386.c (feature_priority): Moved to file scope.
4311         (processor_features): Likewise.
4312         (processor_model): Likewise.
4313         (_arch_names_table): Likewise.
4314         (arch_names_table): Likewise.
4315         (_feature_list): Removed.
4316         (feature_list): Likewise.
4317         (_isa_names_table): Moved to file scope.  Add priority.
4318         (isa_names_table): Likewise.
4319         (get_builtin_code_for_version): Replace feature_list with
4320         isa_names_table.  Update error message for P_ZERO priority.
4321
4322 2019-04-25  Richard Biener  <rguenther@suse.de>
4323
4324         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4325         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4326
4327 2019-04-24  Jeff Law  <law@redhat.com>
4328
4329         PR tree-optimization/90037
4330         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4331         * passes.def: Replace all instance of phi-only cprop with the
4332         lattice propagator.  Move propagation pass from after erroneous
4333         path isolation to before erroneous path isolation.
4334         * tree-ssa-phionlycprop.c: Remove.
4335
4336 2019-04-24  Richard Biener  <rguenther@suse.de>
4337
4338         PR middle-end/90213
4339         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4340         by size and BITS_PER_UNIT on poly-wide-ints.
4341
4342 2019-04-25  Richard Biener  <rguenther@suse.de>
4343
4344         PR middle-end/90194
4345         * match.pd: Add pattern to simplify view-conversion of an
4346         empty constructor.
4347
4348 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4349
4350         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4351         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4352         for Go on 32 bit AIX.
4353         * config/rs6000/aix72.h: Likewise.
4354
4355 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4356
4357         PR target/90193
4358         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4359         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4360
4361 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4362
4363         PR target/89952
4364         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4365         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4366         for restored hard frame pointer.
4367         (s390_sched_dependencies_evaluation): Implement new target hook.
4368         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4369
4370 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4371
4372         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4373         * config/arc/arc.c (arc_init): Cleanup warning message.
4374         (arc_override_options): Likewise.
4375
4376 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4377
4378         PR target/90187
4379         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4380         a register if both if_true and if_false are MEMs.
4381
4382         PR tree-optimization/90208
4383         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4384         after labels of new_bb, not before them.
4385
4386         PR tree-optimization/90211
4387         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4388         which are not SSA_NAMEs.
4389
4390 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4391
4392         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4393         AArch64.
4394         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4395
4396 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4397
4398         PR rtl-optimization/87979
4399         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4400         not equal zero.
4401
4402 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4403
4404         PR rtl-optimization/84032
4405         * modulo-sched.c (ps_insn_find_column): Change condition so that
4406         branch will always be the last insn in a row inside partial
4407         schedule.
4408
4409 2019-04-23  Richard Biener  <rguenther@suse.de>
4410
4411         PR debug/90131
4412         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4413         dest_single_pred_p argument.
4414         (remove_forwarder_block): Adjust.
4415         (remove_forwarder_block_with_phi): Likewise.
4416
4417 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4418             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4419             Jakub Jelinek  <jakub@redhat.com>
4420
4421         PR target/89093
4422         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4423         if used with general-regs-only.
4424         (arm_conditional_register_usage): Don't add non-general regs if
4425         general-regs-only.
4426         (arm_valid_target_attribute_rec): Handle general-regs-only.
4427         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4428         general-regs-only.
4429         (TARGET_HARD_FLOAT_SUB): Define.
4430         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4431         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4432         (TARGET_REALLY_IWMMXT2): Likewise.
4433         * config/arm/arm.opt: Add -mgeneral-regs-only.
4434         * doc/extend.texi: Document ARM general-regs-only target.
4435         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4436
4437 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4438
4439         PR tree-optimization/90078
4440         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4441         checks for infinite_cost overflow.
4442
4443 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4444
4445         PR tree-optimization/90021
4446         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4447         and check univariate against it.
4448         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4449         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4450
4451 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4452
4453         PR target/90178
4454         Revert:
4455         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4456
4457         Revert the revert:
4458         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4459
4460         Revert:
4461         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4462
4463         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4464
4465 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4466
4467         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4468         names using operand format, rather than hard-wired.
4469         (speculation_barrier): Likewise.
4470
4471 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4472
4473         PR tree-optimization/88055
4474         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4475         (gen_one_condition): Use it if !HONOR_NANS.
4476
4477 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4478
4479         PR middle-end/90139
4480         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4481         assign_temp instead of gen_reg_rtx.
4482
4483 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4484
4485         PR translation/90118
4486         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4487         Add missing space before %<.
4488
4489 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4490
4491         PR rtl-optimization/87871
4492         * ira-lives.c (make_object_dead): Don't add conflicts to
4493         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4494
4495 2019-04-18  Martin Sebor  <msebor@redhat.com>
4496
4497         PR middle-end/89797
4498         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4499         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4500         assuming type size fits in SHWI.
4501
4502 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4503
4504         PR ipa/85051
4505         * ipa-inline.c (flatten_function): New parameter UPDATE.
4506         (ipa_inline, early_inliner): Use it.
4507
4508 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4509
4510         * fold-const.c (int_const_binop): Return early on failure.
4511
4512 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4513
4514         PR middle-end/85164
4515         * combine.c (force_int_to_mode): Cast the argument rather than
4516         the result of known_alignment.
4517         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4518
4519 2019-04-18  Richard Biener  <rguenther@suse.de>
4520
4521         PR debug/90131
4522         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4523         out from ...
4524         (remove_forwarder_block): ... here.
4525         (remove_forwarder_block_with_phi): Also move debug stmts here.
4526
4527 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4528
4529         PR translation/79183
4530         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4531         inform where appropriate.
4532
4533 2019-04-18  Richard Biener  <rguenther@suse.de>
4534
4535         * tree.c (get_qualified_type): Put found type variants at the
4536         head of the variant list.
4537
4538 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4539
4540         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4541
4542 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4543
4544         PR target/90125
4545         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4546         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4547         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4548         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4549         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4550
4551 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4552
4553         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4554         even for allocno's with no conflicts.
4555         (print_conflicts): Print an extra newline.
4556
4557 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4558
4559         * auto-inc-dec.c (attempt_change): Set the alignment of the
4560         temporary memory to that of the original.
4561
4562 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4563
4564         * targhooks.c (default_print_patchable_function_entry): Emit
4565         __patchable_function_entries section with writable flags to allow
4566         relocation resolution.
4567
4568 2019-04-17  Jonny Grant  <jg@jguk.org>
4569
4570         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4571
4572 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4573
4574         PR middle-end/90095
4575         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4576         on lowpart SUBREGs.
4577
4578 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4579
4580         * config/arc/arc.c (arc_init): Format diagnostic string.
4581         (arc_override_options): Likewise.
4582         (check_if_valid_regno_const): Likewise.
4583         (arc_reorg): Likewise.
4584
4585 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4586
4587         PR target/17108
4588         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4589         name.
4590         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4591         name.
4592         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4593         (*movdi_update1): Use Pmode.
4594         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4595         (movdi_<mode>_update_stack): Rename to ...
4596         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4597         use Pmode.
4598         (*movsi_update1): Use Pmode.
4599         (*movsi_update2): Use Pmode.
4600         (movsi_update): Rename to ...
4601         (movsi_<mode>_update): ... this.  Use Pmode.
4602         (movsi_update_stack): Fix condition.
4603         (*movhi_update1): Use Pmode.  Fix argument to
4604         avoiding_indexed_address_p.
4605         (*movhi_update2): Ditto.
4606         (*movhi_update3): Ditto.
4607         (*movhi_update4): Ditto.
4608         (*movqi_update1): Ditto.
4609         (*movqi_update2): Ditto.
4610         (*movqi_update3): Ditto.
4611         (*movsf_update1, *movdf_update1): Merge, rename to...
4612         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4613         avoiding_indexed_address_p.  Add "size" attribute.
4614         (*movsf_update2, *movdf_update2): Merge, rename to...
4615         (*mov<mode>_update2): This.  Ditto.
4616         (*movsf_update3): Use Pmode.  Fix argument to
4617         avoiding_indexed_address_p.
4618         (*movsf_update4): Ditto.
4619         (allocate_stack): Simplify condition.  Adjust pattern names.
4620
4621 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4622
4623         PR target/89093
4624         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4625         whitespace at the start of target attribute string.
4626
4627 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4628
4629         PR target/84369
4630         * config/rs6000/power9.md: Add store forwarding bypass.
4631
4632 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4633
4634         PR debug/89528
4635         * valtrack.c (dead_debug_insert_temp): Reset debug references
4636         to the return value of a call being removed.
4637
4638 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4639
4640         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4641         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4642         implement target hook.
4643         (arc_memory_move_cost): New function.
4644         (TARGET_REGISTER_MOVE_COST): Define.
4645         (TARGET_MEMORY_MOVE_COST): Likewise.
4646         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4647         (MEMORY_MOVE_COST): Likewise.
4648
4649 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4650
4651         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4652         (sibcall_value_insn): Likewise.
4653         * config/arc/constraints.md (Rs5): Remove.
4654
4655 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4656
4657         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4658         for last two fake registers.
4659         (arc_conditional_register_usage): Make sure fake frame and arg
4660         pointer regs are in general regs class.
4661         (FRAME_POINTER_MASK): Remove.
4662         (RETURN_ADDR_MASK): Remove.
4663         (arc_must_save_register): Use hard frame regnum.
4664         (frame_restore_reg): Use hard_frame_pointer_rtx.
4665         (arc_save_callee_saves): Likewise.
4666         (arc_restore_callee_saves): Likewise.
4667         (arc_save_callee_enter): Likewise.
4668         (arc_restore_callee_leave): Likewise.
4669         (arc_save_callee_milli): Likewise.
4670         (arc_eh_return_address_location): Likewise.
4671         (arc_check_multi): Use hard frame regnum.
4672         (arc_can_eliminate): Likewise.
4673         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4674         for register allocator.
4675         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4676         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4677         (FRAME_POINTER_REGNUM): Change it to a fake register.
4678         (HARD_FRAME_POINTER_REGNUM): Defined.
4679         (ARG_POINTER_REGNUM): Change it to a new fake register.
4680         (ELIMINABLE_REGS): Update.
4681         (REGISTER_NAMES): Update names.
4682         * config/arc/arc.md (LP_START): Remove.
4683         (LP_END): Likewise.
4684         (shift_si3_loop): Update pattern.
4685
4686 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4687
4688         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4689         to avoid delay slot scheduling.
4690         (arc_must_save_register): Don't save SP.
4691         * config/arc/arc.md (stack_tie): Remove.
4692         (UNSPEC_ARC_STKTIE): Likewise.
4693
4694 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4695             Shiva Chen  <shiva0217@gmail.com>
4696
4697         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4698         code gen with large shift amount.
4699
4700 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4701
4702         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4703         subreg.
4704
4705 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4706
4707         PR target/90096
4708         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4709         print -m64/-mx32/-m32 if it is true.
4710         (ix86_debug_options, ix86_function_specific_print): Pass true as
4711         ADD_ABI_P to ix86_target_string.
4712         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4713         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4714         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4715
4716         PR rtl-optimization/90082
4717         * dce.c (can_delete_call): New function.
4718         (deletable_insn_p, mark_insn): Use it.
4719
4720         PR tree-optimization/90090
4721         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4722         throw internally.
4723         (is_division_by_square): Likewise.  Formatting fix.
4724
4725 2019-04-16  Richard Biener  <rguenther@suse.de>
4726
4727         PR tree-optimization/56049
4728         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4729         equality check if alias-set zero will prevail.
4730
4731 2019-04-15  Jeff Law  <law@redhat.com>
4732
4733         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4734         size and alignment as unsigned.
4735
4736 2019-04-15  Richard Biener  <rguenther@suse.de>
4737
4738         PR debug/90074
4739         * tree-loop-distribution.c (destroy_loop): Preserve correct
4740         debug info.
4741
4742 2019-04-15  Richard Biener  <rguenther@suse.de>
4743
4744         PR tree-optimization/90071
4745         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4746         abnormal operands from def stmts.
4747
4748 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4749
4750         PR rtl-optimization/89794
4751         * combine.c (count_auto_inc): New function.
4752         (try_combine): Count how many auto_inc expressions there were in the
4753         original instructions.  Ensure we have the same number in the new
4754         instructions.  Remove the code that tried to ensure auto_inc side
4755         effects on i1 and i0 are not lost.
4756
4757 2019-04-15  Richard Biener  <rguenther@suse.de>
4758
4759         PR ipa/88936
4760         * tree.h (auto_var_p): Declare.
4761         * tree.c (auto_var_p): New function, split out from ...
4762         (auto_var_in_fn_p): ... here.
4763         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4764         member.
4765         (new_var_info): Initialize it.
4766         (set_uids_in_ptset): Also set the shadow variable uid if required.
4767         (ipa_pta_execute): Postprocess points-to solutions assigning
4768         shadow variable uids for locals that may reach their containing
4769         function recursively.
4770         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4771         assert but instead check whether the points-to solution is
4772         a singleton.
4773
4774 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4775
4776         PR ipa/pr89693
4777         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4778         the thunk chain.
4779
4780 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4781
4782         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4783
4784 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4785             Kito Cheng  <kito.cheng@gmail.com>
4786             Shiva Chen  <shiva0217@gmail.com>
4787
4788         * config/nds32/nds32-md-auxiliary.c
4789         (nds32_legitimize_pic_address): Use new PIC pattern.
4790         (nds32_legitimize_tls_address): Use new TLS pattern.
4791         (nds32_output_symrel): New.
4792         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4793         (nds32_alloc_relax_group_id): Ditto.
4794         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4795         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4796         relax_group_id.
4797         (nds32_group_tls_insn): Ditto.
4798         (nds32_group_float_insns): Ditto.
4799         * config/nds32/nds32.md (tls_le): New.
4800         (sym_got): Ditto.
4801
4802 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4803
4804         * configure: Add nds32 target for dwarf2 debug_line checking.
4805         * configure.ac: Regenerated.
4806
4807 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4808
4809         PR lto/89358
4810         * ipa-devirt.c (skip_in_fields_list_p): New.
4811         (odr_types_equivalent_p): Use it.
4812
4813 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4814
4815         PR target/89093
4816         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4817         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4818
4819 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4820
4821         * doc/install.texi: Document --with-target-system-zlib.
4822
4823 2019-04-12  Martin Sebor  <msebor@redhat.com>
4824
4825         PR c/88383
4826         PR c/89288
4827         PR c/89798
4828         PR c/89797
4829         * targhooks.c (default_vector_alignment): Avoid assuming
4830         argument fits in SHWI.
4831         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4832         a shift expression.
4833         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4834
4835 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4836
4837         PR rtl-optimization/89965
4838         * dce.c: Include rtl-iter.h.
4839         (struct check_argument_load_data): New type.
4840         (check_argument_load): New function.
4841         (find_call_stack_args): Check for loads from stack slots still tracked
4842         in sp_bytes and punt if any is found.
4843
4844         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4845
4846 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4847
4848         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4849         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4850
4851 2019-04-12  Martin Liska  <mliska@suse.cz>
4852
4853         PR middle-end/89970
4854         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4855         in error message.
4856         (separate_attrs): Handle multiple 'default's.
4857         (expand_target_clones): Rework error handling code.
4858
4859 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4860
4861         PR target/87532
4862         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4863         mode of vector rather than mode of destination for move instruction.
4864         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4865         Use QI inner mode with V16QI vector mode.
4866
4867 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4868
4869         PR target/52726
4870         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4871         "invalid %%t operand" in output_operand_lossage message.
4872
4873 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4874
4875         * config/s390/predicates.md (permute_pattern_operand): New
4876         predicate.
4877         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4878         operand for the permute pattern.
4879         ("*vec_perm<mode>"): New insn definition.
4880         ("bswap<mode>"): Generate the permute pattern operand in the
4881         expander and perform the operand reloads for pre arch13 level
4882         already.
4883         ("*bswap<mode>_emu"): Rename to ...
4884         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4885         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4886         Add the USE operand for the permute pattern.
4887         ("*vec_set_bswap_vec<mode>"): Likewise.
4888
4889 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4890
4891         PR c/89946
4892         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4893         and gcc_unreachable if it fails, just call tree_to_uhwi which
4894         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4895         Start warning message with a lower-case letter.  Formatting fixes.
4896
4897         PR rtl-optimization/90026
4898         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4899         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4900         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4901         in cfglayout mode, use emit_barrier_after_bb.
4902
4903 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4904
4905         PR rtl-optimization/87763
4906         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4907         New Instruction.
4908
4909 2019-04-11  Tom de Vries  <tdevries@suse.de>
4910
4911         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4912         max macro using statement expression.
4913
4914 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4915
4916         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4917         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4918         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4919         read_only_private_data_section using xcoff_private_rodata_section_name.
4920         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4921
4922 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4923
4924         PR target/90016
4925         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4926
4927 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4928
4929         PR rtl-optimization/89965
4930         * dce.c (sp_based_mem_offset): New function.
4931         (find_call_stack_args): Use sp_based_mem_offset.
4932
4933 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4934
4935         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4936
4937 2019-04-11  Richard Biener  <rguenther@suse.de>
4938
4939         PR tree-optimization/90020
4940         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4941         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4942         * tree-ssa-pre.c (compute_avail): Use it to not put
4943         possibly trapping references after a call that might not
4944         return into EXP_GEN.
4945         * gcse.c (compute_hash_table_work): Do not elide
4946         marking a block containing a call if the call might not
4947         return.
4948
4949 2019-04-11  Richard Biener  <rguenther@suse.de>
4950
4951         PR tree-optimization/90018
4952         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4953         Test both SLP and interleaving variants.
4954
4955 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4956
4957         * config/s390/8561.md: New file.
4958         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4959         Add arch13 cpu model.
4960         * config/s390/s390-opts.h (enum processor_type): Likewise.
4961         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4962         (s390_get_unit_mask): Likewise.
4963         (s390_is_fpd): Likewise.
4964         (s390_is_fxd): Likewise.
4965         * config/s390/s390.h (s390_tune_attr): Likewise.
4966         * config/s390/s390.md: Include arch13 pipeline description.
4967         * config/s390/s390.opt: Add arch13.
4968
4969 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4970
4971         PR rtl-optimization/87763
4972         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4973         New prototype.
4974         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4975         New function.
4976         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4977         New instruction.
4978         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4979         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4980         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4981         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4982
4983 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4984
4985         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4986         "Although" in -fipa-icf documentation.
4987
4988         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4989         of using multiple -g options.
4990
4991 2019-04-10  Martin Liska  <mliska@suse.cz>
4992
4993         PR gcov-profile/89959
4994         * doc/gcov.texi: Make documentation of -x option
4995         more precise.
4996
4997 2019-04-10  Richard Biener  <rguenther@suse.de>
4998
4999         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5000         member.
5001         (DR_GROUP_SAME_DR_STMT): Remove.
5002         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5003         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5004         replace with assert.
5005         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5006         (vect_record_grouped_load_vectors): Remove unreachable code.
5007
5008 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5009
5010         PR target/90016
5011         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5012         obsolete reference to N.
5013
5014 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5015
5016         PR middle-end/90025
5017         * expr.c (store_expr): Set properly size on the MEM passed to
5018         clear_storage.
5019
5020         PR c++/90010
5021         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5022         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5023         translation is needed, and when translation is needed, only append
5024         ... if the string length is hostsz or more bytes long.  Avoid using
5025         strncpy or strcat.
5026
5027 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5028
5029         PR target/90024
5030         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5031         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5032         into three.
5033         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5034         differences directly.
5035         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5036
5037 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5038
5039         PR translation/90011
5040         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5041         from diagnostics.
5042         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5043         diagnostics.
5044         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5045         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5046         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5047         trailing space from -gsplit-dwarf diagnostics.
5048
5049         PR tree-optimization/89998
5050         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5051         instead of integer_type_node if possible, don't add ranges if return
5052         type is not compatible with int.
5053         * gimple-fold.c (gimple_fold_builtin_sprintf,
5054         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5055         integer_type_node.
5056
5057 2019-04-09  Martin Liska  <mliska@suse.cz>
5058
5059         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5060         * doc/install.texi: Document the new config.
5061
5062 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5063
5064         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5065         use gimple_expr_type for load and store calls.  Skip over the
5066         condition argument in a conditional internal function.
5067         Protect use of TREE_INT_CST_LOW.
5068
5069 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5070
5071         PR target/90015
5072         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5073         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5074         trailing period from it too.
5075
5076 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5077
5078         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5079         * config/aarch64/aarch64.md : Add "tsv110.md"
5080         * config/aarch64/tsv110.md: New file.
5081
5082 2019-04-08  Richard Biener  <rguenther@suse.de>
5083
5084         PR tree-optimization/90006
5085         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5086         calls like lrint.
5087
5088 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5089
5090         PR target/83033
5091         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5092         construction.
5093         (fma_root_node): Likewise.
5094         (func_fma_steering): Likewise.
5095
5096 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5097
5098         PR rtl-optimization/89865
5099         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5100
5101         PR rtl-optimization/89865
5102         * config/i386/i386.md
5103         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5104         numbers not to clash with the additional operands[4].
5105         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5106         with extra register copy in the middle.
5107
5108 2019-04-08  Martin Liska  <mliska@suse.cz>
5109
5110         PR gcov-profile/89961
5111         * doc/gcov.texi: Document data_file.
5112         * gcov.c (generate_results): Add data_info into JSON output.
5113
5114 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5115
5116         PR tree-optimization/89725
5117         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5118         loop's chrec as invariant symbol.
5119         * tree-chrec.h (chrec_contains_symbols): New parameter.
5120         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5121         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5122         function of loops not in DDR's loop_nest.
5123         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5124
5125 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5126
5127         PR target/89623
5128         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5129         Mask.
5130
5131 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5132
5133         PR target/89945
5134         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5135         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5136
5137 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5138
5139         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5140         targetm.fixed_condition_code_regs.
5141
5142 2019-04-05  Richard Biener  <rguenther@suse.de>
5143
5144         PR debug/89892
5145         PR debug/89905
5146         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5147         debug bind stmts but reset them if they are not valid at the
5148         destination.
5149
5150 2019-04-05  Martin Liska  <mliska@suse.cz>
5151
5152         PR translation/89936
5153         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5154         order to wrap keywords or arguments.
5155         * collect2.c (main): Likewise.
5156         (scan_prog_file): Likewise.
5157         (scan_libraries): Likewise.
5158         * common/config/riscv/riscv-common.c
5159         (riscv_subset_list::parsing_subset_version): Likewise.
5160         (riscv_subset_list::parse_std_ext): Likewise.
5161         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5162         Likewise.
5163         * config/arm/arm.c (arm_option_override): Likewise.
5164         * config/cris/cris.c (cris_print_operand): Likewise.
5165         * config/darwin-c.c (darwin_pragma_options): Likewise.
5166         (darwin_pragma_unused): Likewise.
5167         (darwin_pragma_ms_struct): Likewise.
5168         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5169         * config/i386/i386.c (print_reg): Likewise.
5170         (ix86_print_operand): Likewise.
5171         * config/i386/xm-djgpp.h: Likewise.
5172         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5173         * config/m32c/m32c.c (m32c_option_override): Likewise.
5174         * config/msp430/msp430.c (msp430_option_override): Likewise.
5175         * config/nds32/nds32.c (nds32_option_override): Likewise.
5176         * config/nvptx/mkoffload.c (main): Likewise.
5177         * config/rx/rx.c (rx_print_operand): Likewise.
5178         (valid_psw_flag): Likewise.
5179         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5180         (vms_pragma_nomember_alignment): Likewise.
5181         (vms_pragma_extern_model): Likewise.
5182         * lto-wrapper.c (compile_offload_image): Likewise.
5183         * omp-offload.c (oacc_parse_default_dims): Likewise.
5184         * symtab.c (symtab_node::verify_base): Likewise.
5185         * tlink.c (recompile_files): Likewise.
5186         (start_tweaking): Likewise.
5187         * tree-profile.c (parse_profile_filter): Likewise.
5188
5189 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5190
5191         PR tree-optimization/89956
5192         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5193         multiple negates of the same value.
5194
5195 2019-04-04  Martin Sebor  <msebor@redhat.com>
5196
5197         PR middle-end/89957
5198         PR middle-end/89911
5199         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5200         have the same precision since the function crashes otherwise.
5201         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5202         has non-zero arguments.
5203
5204 2019-04-04  Martin Sebor  <msebor@redhat.com>
5205
5206         PR middle-end/89934
5207         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5208         out if the number of arguments is less than expected.
5209
5210 2019-04-04  Jeff Law  <law@redhat.com>
5211
5212         PR rtl-optimization/89399
5213         * ree.c (combine_set_extension): Use single_set rather than
5214         digging into PATTERN for items on the candidate list.
5215         (combine_reaching_defs): Likewise.
5216
5217 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5218
5219         PR rtl-optimization/46590
5220         * loop-invariant.c (find_defs): Move df_remove_problem and
5221         df_process_deferred_rescans to move_invariants.
5222         Move df_live_add_problem and df_live_set_all_dirty calls
5223         to move_invariants.
5224         (move_invariants): Likewise.
5225         (move_loop_invariants): Likewise, making the df_live calls
5226         conditional on -O.  Remove the problem again if we added it
5227         locally.
5228
5229 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5230
5231         PR tree-optimization/89730
5232         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5233         -flive-patching=inline-only-static.
5234         (can_inline_edge_by_limits_p): Add the checking for
5235         -flive-patching=inline-only-static and grant always_inline
5236         even when -flive-patching=inline-only-static is specified.
5237
5238 2019-04-03  Jeff Law  <law@redhat.com>
5239
5240         PR rtl-optimization/81025
5241         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5242
5243 2019-04-03  Richard Biener  <rguenther@suse.de>
5244
5245         PR tree-optimization/84101
5246         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5247         regs.h for hard_regno_nregs.
5248         (cfun_returns): New helper.
5249         (vect_model_store_cost): When vectorizing a store to a decl
5250         we return and the function ABI returns in a multi-reg location
5251         account for the possible spilling that will happen.
5252
5253 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5254
5255         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5256         displacement addresses for vector mode operands.
5257
5258 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5259
5260         * config/arc/arc.c (GMASK_LEN): Define.
5261         (arc_restore_callee_saves): Restore first blink when
5262         !optimize_size.
5263
5264 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5265
5266         * doc/extend.texi: Add deprecated comment on sign-return-address
5267         function attribute and add mbranch-protection.
5268         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5269
5270 2019-04-03  Richard Biener  <rguenther@suse.de>
5271
5272         PR lto/89896
5273         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5274         the all target phony.
5275
5276 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5277
5278         PR target/89902
5279         PR target/89903
5280         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5281         Return false for variable DImode shifts.
5282         (dimode_scalar_chain::compute_convert_gain): Do not handle
5283         register count operand in variable DImode shifts.
5284         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5285         count argument of a variable shift instruction to a vector register.
5286         (dimode_scalar_chain::convert_reg): Remove support to convert
5287         count argument of a variable shift instruction.
5288
5289 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5290
5291         PR rtl-optimization/84206
5292         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5293         iterating over loop headers.
5294
5295 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5296
5297         PR rtl-optimization/85876
5298         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5299         beyond the original fence.
5300
5301 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5302
5303         * config.gcc: Mark spu* targets as deprecated/obsolete.
5304
5305 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5306
5307         * config/s390/s390-builtin-types.def: New builtin function type
5308         definitions. Remove unused types.
5309         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5310         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5311         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5312         overloaded builtins.
5313         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5314         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5315         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5316         (vec_double, vec_signed, vec_unsigned): Define to use the new
5317         overloaded builtins.
5318         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5319         Remove expanders.
5320
5321 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5322
5323         * config/s390/s390-builtin-types.def: New builtin function type
5324         definitions.
5325         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5326         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5327         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5328         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5329         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5330         constant definitions.
5331         * config/s390/vecintrin.h (vec_search_string_cc)
5332         (vec_search_string_until_zero_cc): New builtin name definitions.
5333         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5334         expanders.
5335         ("vec_vstrs<mode>"): New insn definition.
5336
5337 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5338
5339         * config/s390/s390-builtin-types.def: Add new builtin function
5340         types.
5341         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5342         New overloaded builtins.
5343         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5344         s390_vsrd.
5345         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5346         (UNSPEC_VEC_SLDBYTE): ... this.
5347         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5348         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5349         definitions.
5350         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5351         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5352         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5353
5354 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5355
5356         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5357         New insn definition.
5358         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5359         * config/s390/vector.md (V_HW_HSD): ... here.
5360
5361 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5362
5363         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5364         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5365         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5366         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5367         New insn definitions.
5368
5369 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5370
5371         * config/s390/s390-builtin-types.def: Add new builtin function type.
5372         * config/s390/s390-builtins.def: Add overloaded builtin
5373         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5374         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5375         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5376         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5377         ("eltswap<mode>"): New expander.
5378         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5379         insn definitions.
5380
5381 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5382
5383         * config/s390/s390-builtin-types.def: Add new builtin function types.
5384         * config/s390/s390-builtins.def: Add overloaded builtin
5385         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5386         instructions.
5387         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5388         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5389         ("bswap<mode>"): New expander.
5390         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5391
5392 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5393
5394         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5395         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5396         vector builtin version number in __VEC__.
5397
5398 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5399
5400         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5401         iterators.
5402         (SFSI): New mode attribute.
5403         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5404         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5405         rename to ...
5406         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5407         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5408         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5409         ("floatsi<mode>2"): Add wcefb instruction.
5410
5411 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5412
5413         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5414         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5415         mode iterators.
5416         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5417         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5418         support 32 bit fp-int conversions. Rename to ...
5419         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5420         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5421         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5422         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5423         ... to these.
5424
5425 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5426
5427         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5428         if-then-else constructs if we can use the select instruction.
5429         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5430
5431 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5432
5433         * config/s390/s390.md ("*popcountdi_arch13_cc")
5434         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5435         definition.
5436         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5437         Append _z196 to make it ...
5438         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5439         ("popcounthi2_z196"): ... this.
5440         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5441         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5442
5443 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5444
5445         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5446         certain compares for arch13 in order to make use of the condition
5447         code result produced by the new instructions.
5448         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5449         nxrk, and nxgrk instruction patterns.
5450         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5451         (inv_no): Add new code iterator together with some attributes.
5452         ("*andc_split_<mode>"): Disable splitter for arch13.
5453         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5454         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5455         ("*<ANDOR:bitops_name>c<GPR:mode>")
5456         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5457         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5458         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5459         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5460
5461 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5462
5463         * common/config/s390/s390-common.c (processor_flags_table): New
5464         entry for arch13.
5465         * config.gcc: Support arch13 with the --with-arch= configure flag.
5466         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5467         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5468         * config/s390/s390.c (s390_get_sched_attrmask)
5469         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5470         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5471         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5472         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5473         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5474         definitions.
5475         * config/s390/s390.opt: Support arch13 as processor type in
5476         command line options.
5477
5478 2019-04-02  Martin Liska  <mliska@suse.cz>
5479
5480         PR translation/89912
5481         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5482         Fix param description of graphite-max-arrays-per-scop.
5483
5484 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5485
5486         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5487         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5488         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5489
5490 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5491
5492         PR rtl-optimization/85412
5493         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5494         sel_sched_region_1, not after.
5495
5496 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5497
5498         PR rtl-optimization/86928
5499         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5500         compute_live if necessary.
5501         (sel_redirect_edge_and_branch): Likewise.
5502
5503 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5504
5505         PR rtl-optimization/89865
5506         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5507         register if it is a part of small class.
5508
5509 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5510
5511         PR rtl-optimization/87273
5512         * sel-sched-ir.c (merge_fences): Remove assert.
5513
5514 2019-04-01  Richard Biener  <rguenther@suse.de>
5515
5516         PR tree-optimization/46590
5517         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5518         (dom_walker::m_reachability): Add in place of...
5519         (dom_walker::m_skip_unreachable_blocks): ...this.
5520         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5521         Move complex initialization ...
5522         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5523         lazily and initialize edge flags on each invocation.
5524         (dom_walker::bb_reachable): Use m_reachability.
5525
5526 2019-04-01  Martin Liska  <mliska@suse.cz>
5527
5528         PR driver/89861
5529         * opt-suggestions.c (option_proposer::build_option_suggestions):
5530         Add variant without any argument in order to provide better
5531         hints.
5532
5533 2019-04-01  Richard Biener  <rguenther@suse.de>
5534
5535         PR c/71598
5536         * gimple.c: Include langhooks.h.
5537         (gimple_get_alias_set): Treat enumeral types as the underlying
5538         integer type.
5539
5540 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5541             Eric Botcazou  <ebotcazou@adacore.com>
5542
5543         PR rtl-optimization/89862
5544         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5545         that operates on the full registers for WORD_REGISTER_OPERATIONS
5546         architectures.
5547
5548 2019-03-29  Jim Wilson  <jimw@sifive.com>
5549
5550         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5551         Clear MASK_RVC and then set if C subset supported.
5552
5553 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5554
5555         PR c/89872
5556         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5557         non-addressable complit into its initializer if it is volatile.
5558
5559 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5560
5561         * opts-common.c (integral_argument): Set errno properly in one case.
5562
5563 2019-03-29  Martin Liska  <mliska@suse.cz>
5564
5565         * doc/invoke.texi: Remove -Wchkp from documentation.
5566
5567 2019-03-29  Martin Liska  <mliska@suse.cz>
5568
5569         * dbgcnt.c (print_limit_reach): New function.
5570         (dbg_cnt): Use it.
5571
5572 2019-03-29  Martin Liska  <mliska@suse.cz>
5573
5574         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5575         (dbg_cnt_process_opt): Parse first tokens aas
5576         dbg_cnt_process_single_pair is also using strtok.
5577
5578 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5579
5580         PR rtl-optimization/87485
5581         * function.c (expand_function_end): Move stack_protect_epilogue
5582         before loading of return value into hard register(s).
5583
5584 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5585
5586         PR middle-end/89621
5587         * tree-inline.h (struct copy_body_data): Add
5588         dont_remap_vla_if_no_change flag.
5589         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5590         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5591         and remap_type_2 returns false.
5592         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5593         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5594         only from where it is copied to nested contexts.
5595
5596 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5597
5598         PR target/89865
5599         * config/i386/i386.md (RMW operation with LEA peephole):
5600         Use LEAMODE mode attribute instead of SWI mode iterator for
5601         LEA pattern.
5602
5603 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5604
5605         PR target/89848
5606         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5607         Also process XEXP (src, 0) of a shift insn.
5608
5609 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5610
5611         PR middle-end/89725
5612         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5613         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5614
5615 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5616
5617         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5618         test.
5619         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5620         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5621         immediately after first one with df_analyze in between, but rather
5622         process all bbs, queueing ones that need second pass in a worklist,
5623         df_analyze, process queued debug insn changes and if second pass is
5624         needed, process bbs from worklist, df_analyze, process queued debug
5625         insns again.
5626
5627         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5628         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5629         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5630
5631 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5632
5633         PR c/79022
5634         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5635         definition.
5636
5637 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5638
5639         PR target/85667
5640         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5641         function for 32-bit MS_ABI.
5642         (function_value_ms_32): New function.
5643
5644 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5645
5646         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5647         (movdi): Call gen_movdi_symbol_save_scc.
5648         (gen_movdi_symbol_save_scc): New insn and split.
5649
5650 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5651
5652         PR rtl-optimization/89313
5653         * function.c (matching_constraint_num): New static function.
5654         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5655         Don't replace inputs with non-matching constraints which conflict
5656         with early clobber outputs.
5657
5658 2019-03-27  Jeff Law  <law@redhat.com>
5659
5660
5661         PR rtl-optimization/87761
5662         PR rtl-optimization/89826
5663         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5664         slightly later.
5665         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5666         note problem to get REG_DEAD/REG_UNUSED notes updated.
5667
5668 2019-03-27  Richard Biener  <rguenther@suse.de>
5669
5670         PR tree-optimization/89463
5671         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5672         queue edges to remove.
5673         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5674         dead stmts.  Delay edge removal until PHIs are removed to
5675         make debug-stmt creation not confused by seemingly degenerate
5676         PHIs.
5677
5678 2019-03-27  Alan Modra  <amodra@gmail.com>
5679
5680         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5681         throughout file.
5682         * config/rs6000/darwin.h: Likewise.
5683         * config/rs6000/rs6000.c: Likewise.
5684
5685 2019-03-27  Alan Modra  <amodra@gmail.com>
5686
5687         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5688         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5689
5690 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5691             Jim Wilson  <jimw@sifive.com>
5692
5693         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5694         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5695         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5696         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5697         (generic_alu): Add auipc to type list.
5698         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5699         (riscv_microarchitecture): Declare.
5700         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5701         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5702         field.
5703         (riscv_microarchitecture): New.
5704         (sifive_7_tune_info): New.
5705         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5706         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5707         entries.
5708         (riscv_store_data_bypass_p): New.
5709         (riscv_option_override): Set riscv_microarchitecture from
5710         cpu->microarchitecture.
5711         * config/riscv/riscv.md: Include sifive-7.md.
5712         (type): Add auipc.
5713         (tune): New.
5714         (auipc<mode>): Change type to auipc.
5715         (restore_stack_nonlocal): New.
5716         * config/riscv/sifive-7.md: New.
5717         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5718
5719 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5720
5721         PR target/89827
5722         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5723         Also process XEXP (src, 0) of a shift insn.
5724
5725 2019-03-26  Richard Biener  <rguenther@suse.de>
5726
5727         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5728         (copy_debug_stmt): Likewise.
5729         (expand_call_inline): Likewise.
5730         (copy_bb): Avoid redundant lookup & set of gimple_block.
5731         * gimple-low.c (lower_gimple_return): Likewise.
5732         (lower_builtin_setjmp): Likewise.
5733
5734 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5735
5736         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5737         is constant 0, turn into static const data member initialized to false.
5738         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5739         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5740
5741 2019-03-26  Jason Merrill  <jason@redhat.com>
5742             Jakub Jelinek  <jakub@redhat.com>
5743
5744         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5745         method.
5746         (mem_alloc_description::release_object_overhead): Fix comment typos.
5747         * hash-table.h (hash_table::~hash_table): Call
5748         release_instance_overhead only if m_entries is non-NULL, otherwise
5749         call unregister_descriptor.
5750
5751 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5752
5753         PR tree-optimization/81740
5754         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5755         In case of outer loop vectorization, check for backward dependence
5756         at the inner loop if outer loop dependence is reversed.
5757
5758 2019-03-26  Alan Modra  <amodra@gmail.com>
5759
5760         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5761         rs6000_vector_mem init.  Correct wI and wJ comment.
5762
5763 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5764
5765         PR rtl-optimization/88347
5766         PR rtl-optimization/88423
5767         * sched-deps.c (sched_analyze_insn): Take into account that for
5768         tablejumps the barrier appears after a label and a jump_table_data.
5769
5770 2019-03-25  Martin Sebor  <msebor@redhat.com>
5771
5772         PR c/89812
5773         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5774         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5775         convert it to UHWI when it fits.
5776
5777 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5778
5779         PR debug/86964
5780         * dwarf2out.c (premark_used_variables): New function.
5781         (prune_unused_types_walk): Do not mark not premarked external
5782         variables.
5783         (prune_unused_types): Call premark_used_variables.
5784
5785 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5786
5787         PR rtl-optimization/89676
5788         * lra-constraints.c (curr_insn_transform): Do match reload for
5789         early clobbers when the match was successful only for different
5790         registers.
5791
5792 2019-03-25  Martin Sebor  <msebor@redhat.com>
5793
5794         * doc/extend.texi (Common Type Attributes): Document vector_size.
5795         (Common Variable Attributes): Mention size constraint.  Correct
5796         quoting and typos.
5797         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5798         base type and size constraints.
5799
5800 2019-03-25  Richard Biener  <rguenther@suse.de>
5801
5802         PR tree-optimization/89789
5803         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5804         changes from non-undefined back to undefined.
5805
5806 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5807
5808         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5809         heap string and a gc string, but since this variable is unknown to
5810         ggc the gc string might get reused and corrupted. Fixed by always
5811         using a heap string.
5812
5813 2019-03-25  Richard Biener  <rguenther@suse.de>
5814
5815         PR tree-optimization/89779
5816         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5817         to remove IV defs, delay actual removal.
5818         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5819         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5820         very end, properly also reset loop control IV information.
5821
5822 2019-03-25  Richard Biener  <rguenther@suse.de>
5823
5824         PR tree-optimization/89802
5825         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5826         move EH data to folded stmt.
5827
5828 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5829
5830         * config/s390/s390-builtin-types.def: Remove few unused types and
5831         fix sort order for others.
5832
5833 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5834
5835         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5836         expected and found types with -mdebug during builtin matching.
5837
5838 2019-03-25  Richard Biener  <rguenther@suse.de>
5839
5840         PR middle-end/89790
5841         * fold-const.c (operand_equal_p): Revert last change with
5842         updated comment.
5843
5844 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5845
5846         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5847         notes for the result of the __tls_get_addr calls.
5848         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5849
5850 2019-03-24  Jeff Law  <law@redhat.com>
5851
5852         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5853
5854         PR rtl-optimization/87761
5855         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5856         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5857         as needed.
5858         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5859         rescans.  Reprocess blocks as needed, calling df_analyze before
5860         reprocessing.  Always call df_analyze before fixing up debug bind
5861         insns.
5862
5863 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5864
5865         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5866         big endian.
5867
5868 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5869
5870         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5871         attrribute for uxtw.
5872
5873 2019-03-26  Jeff Law  <law@redhat.com>
5874
5875         PR rtl-optimization/87761
5876         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5877         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5878         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5879         into the next instruction.
5880         (mips_split_move_insn): Pass INSN through to mips_split_move.
5881
5882 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5883
5884         PR rtl-optimization/89676
5885         * lra-constraints.c (curr_insn_transform): Do match reload for
5886         early clobbers even if the match was successful.
5887
5888 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5889
5890         PR c++/87481
5891         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5892
5893 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5894
5895         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5896
5897 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5898
5899         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5900         <avx512>_fmsub_<mode>_mask3<round_name>,
5901         <avx512>_fnmadd_<mode>_mask3<round_name>,
5902         <avx512>_fnmsub_<mode>_mask3<round_name>,
5903         avx512f_vmfmadd_<mode>_mask3<round_name>,
5904         avx512f_vmfmsub_<mode>_mask3<round_name>,
5905         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5906         instead of register_operand and %v instead of v for match_operand 1.
5907         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5908         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5909         <round_nimm_predicate> instead of register_operand and %v instead of v
5910         for match_operand 1.
5911
5912         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5913         <avx512>_fmadd_<mode>_mask3<round_name>,
5914         <avx512>_fmsub_<mode>_mask<round_name>,
5915         <avx512>_fmsub_<mode>_mask3<round_name>,
5916         <avx512>_fnmadd_<mode>_mask<round_name>,
5917         <avx512>_fnmadd_<mode>_mask3<round_name>,
5918         <avx512>_fnmsub_<mode>_mask<round_name>,
5919         <avx512>_fnmsub_<mode>_mask3<round_name>,
5920         <avx512>_fmaddsub_<mode>_mask<round_name>,
5921         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5922         <avx512>_fmsubadd_<mode>_mask<round_name>,
5923         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5924         <round_nimm_predicate> instead of nonimmediate_operand.
5925         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5926         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5927         Use register_operand instead of <round_nimm_predicate> for the
5928         operand that needs to match output.
5929         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5930         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5931         Likewise.  Formatting fixes.
5932
5933         PR target/89784
5934         * config/i386/i386.c (enum ix86_builtins): Remove
5935         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5936         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5937         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5938         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5939         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5940         __builtin_ia32_vfmsubss3_mask3): New builtins.
5941         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5942         avx512f_vmfmadd_<mode>_mask3<round_name>,
5943         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5944         *avx512f_vmfmsub_<mode>_mask<round_name>,
5945         avx512f_vmfmsub_<mode>_mask3<round_name>,
5946         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5947         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5948         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5949         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5950         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5951         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5952         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5953         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5954         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5955         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5956         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5957         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5958         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5959         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5960         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5961         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5962         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5963         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5964         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5965         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5966         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5967         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5968         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5969         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5970         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5971         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5972         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5973         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5974
5975 2019-03-21  Martin Sebor  <msebor@redhat.com>
5976
5977         PR tree-optimization/89350
5978         * builtins.c (compute_objsize): Also ignore offsets whose upper
5979         bound is negative.
5980         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5981         (builtin_memref::builtin_memref): Initialize new member.
5982         Allow EXPR to be null.
5983         (builtin_memref::extend_offset_range): Replace local with a member.
5984         Avoid assuming pointer offsets are unsigned.
5985         (builtin_memref::set_base_and_offset): Determine base object
5986         before computing offset range.
5987         (builtin_access::builtin_access): Handle memset.
5988         (builtin_access::generic_overlap): Replace local with a member.
5989         (builtin_access::strcat_overlap): Same.
5990         (builtin_access::overlap): Same.
5991         (maybe_diag_overlap): Same.
5992         (maybe_diag_access_bounds): Same.
5993         (wrestrict_dom_walker::check_call): Handle memset.
5994         (check_bounds_or_overlap): Same.
5995
5996 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5997             Jakub Jelinek  <jakub@redhat.com>
5998
5999         PR lto/89692
6000         * tree.c (fld_type_variant, fld_incomplete_type_of,
6001         fld_process_array_type): Call fld->pset.add and don't call
6002         add_tree_to_fld_list if it returns true.
6003         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6004         non-marked types from TYPE_NEXT_VARIANT list.
6005         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6006
6007 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6008
6009         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6010         to false, if true, don't alloc_entries during construction, but defer
6011         it to the first method that needs m_entries allocated.
6012         (hash_table::hash_table, hash_table::~hash_table,
6013         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6014         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6015         hash_table::clear_slot, hash_table::traverse_noresize,
6016         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6017         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6018         false.
6019         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6020         NO_INSERT instead of find_with_hash.
6021         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6022         hash_set::m_table): Add Lazy to template params of hash_table.
6023         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6024         * attribs.c (test_attribute_exclusions): Likewise.
6025         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6026         hash_set.  Add tests for hash_set with Lazy = true.
6027
6028 2019-03-21  Richard Biener  <rguenther@suse.de>
6029
6030         PR tree-optimization/89779
6031         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6032         checks with respect to released SSA names now having error_mark_node
6033         type.
6034         * fold-const.c (operand_equal_p): Likewise.
6035
6036 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6037
6038         PR target/89775
6039         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6040         available to ...
6041         (s390_optimize_register_info): Use global_not_special_regno_p to
6042         check for global regs.
6043
6044 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6045
6046         PR target/89752
6047         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6048         update this_alternative nor this_alternative_set.
6049
6050 2019-03-19  Jim Wilson  <jimw@sifive.com>
6051
6052         PR target/89411
6053         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6054         align, size, offset.  Use them to handle a BLKmode reference.  Update
6055         comment.
6056         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6057
6058 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6059
6060         PR rtl-optimization/89768
6061         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6062         instead of GEN_INT.
6063         (unroll_loop_runtime_iterations): Likewise.
6064
6065 2019-03-19  Martin Sebor  <msebor@redhat.com>
6066
6067         PR tree-optimization/89644
6068         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6069         rather than endptr as an indicator of nul-termination.
6070
6071         PR tree-optimization/89644
6072         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6073         arrays in determining sequence sizes in strncpy and stpncpy.
6074
6075 2019-03-19  Martin Liska  <mliska@suse.cz>
6076
6077         PR middle-end/89737
6078         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6079         unlikely_edges if there's an edge that belongs to both these sets.
6080
6081 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6082
6083         PR target/89746
6084         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6085         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6086         go via a stack temporary.
6087
6088 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6089
6090         PR target/89378
6091         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6092         instead of gen_rtx_SUBREG.
6093         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6094
6095 2019-03-19  Richard Biener  <rguenther@suse.de>
6096
6097         PR debug/88389
6098         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6099
6100 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6101
6102         PR lto/87809
6103         PR lto/89335
6104         * tree.c (free_lang_data_in_decl): Do not free context of C++
6105         destrutors.
6106
6107 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6108
6109         PR target/89506
6110         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6111         subs for the first alternative except when operands[3] is 1.
6112
6113         PR target/89752
6114         * gimplify.c (gimplify_asm_expr): For output argument with
6115         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6116         diagnose error.
6117
6118 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6119
6120         PR rtl-optimization/89753
6121         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6122         explicit unrolling factor even more robust.
6123
6124 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6125
6126         PR target/89726
6127         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6128         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6129         signed zeros, do another copysign after the compensation.
6130
6131 2019-03-18  Martin Sebor  <msebor@redhat.com>
6132
6133         PR tree-optimization/89720
6134         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6135         more conservatively, the same as anti-range.
6136
6137 2019-03-18  Richard Biener  <rguenther@suse.de>
6138
6139         PR middle-end/88945
6140         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6141         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6142         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6143         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6144
6145 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6146
6147         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6148         Extend queue to 1024 entries.
6149         Add "consumed" field.
6150         (gomp_print_output): Remove print_index parameter.
6151         Add final parameter.
6152         Change limit to unsigned.
6153         Use consumed field to implement circular buffer.
6154         Detect interrupted print in final pass.
6155         Flush output at the end.
6156         (run): Update gomp_print_output usage.
6157         (main): Initialize kernargs->output_data.consumed.
6158
6159 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6160
6161         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6162         calculation of the minimum number of scalar iterations for
6163         fully-predicated loops.
6164
6165 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6166
6167         PR tree-optimization/89546
6168         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6169         any propagation to its children took place.
6170
6171 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6172
6173         PR target/89627
6174         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6175         parameter, and make use of it.
6176         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6177
6178 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6179
6180         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6181         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6182         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6183         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6184         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6185         match what the ops is doing.
6186         (push_multi_fp_blink): Likewise.
6187         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6188         compiling for size and elf target.
6189         (arc_save_callee_enter): Adjust note to match what enter/leave
6190         operation does.
6191
6192 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6193
6194         * config/arc/arc.md (tst_movb): Fix constraint.
6195
6196 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6197
6198         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6199
6200 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6201
6202         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6203         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6204         reg_alloc_order references.
6205         (size_alloc_order): Define.
6206         (arc_adjust_reg_alloc_order): New function.
6207         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6208         order.
6209         (ADJUST_REG_ALLOC_ORDER): Define.
6210         (HONOR_REG_ALLOC_ORDER): Likewise.
6211
6212 2019-03-18  Richard Biener  <rguenther@suse.de>
6213
6214         PR target/87561
6215         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6216         loads and stores a bit more.
6217
6218 2019-03-18  Richard Biener  <rguenther@suse.de>
6219
6220         PR target/87561
6221         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6222         load pessimization to stores as well.
6223
6224 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6225
6226         PR middle-end/86979
6227         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6228         successor, use NULL as its av set.
6229
6230 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6231
6232         PR rtl-optimization/89721
6233         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6234
6235 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6236
6237         PR target/87532
6238         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6239         When handling vec_extract, use modular arithmetic to allow
6240         constant selectors greater than vector length.
6241         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6242         V1TImode vectors to have constant selector values greater than 0.
6243         Use modular arithmetic to compute vector index.
6244         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6245         index for in-memory vectors.  Correct code generation for
6246         in-register vectors.
6247         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6248         compute index.
6249
6250 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6251
6252         PR c++/88534
6253         PR c++/88537
6254         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6255         VAR_DECL args.
6256
6257 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6258
6259         PR c++/89709
6260         * tree.c (inchash::add_expr): Strip any location wrappers.
6261         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6262         after hash verification.
6263
6264         PR debug/89704
6265         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6266         SIGN_EXTEND and ZERO_EXTEND.
6267
6268 2019-03-14  Jason Merrill  <jason@redhat.com>
6269             Jakub Jelinek  <jakub@redhat.com>
6270
6271         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6272         than if is_empty (*slot).
6273         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6274         existing elt and for elt removal.
6275         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6276         of already removed elt.
6277
6278 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6279
6280         PR target/89650
6281         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6282         REG_EH_REGION note.
6283
6284 2019-03-14  Martin Liska  <mliska@suse.cz>
6285
6286         PR other/89712
6287         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6288
6289 2019-03-14  Richard Biener  <rguenther@suse.de>
6290
6291         PR target/89711
6292         * config/i386/i386.c (make_resolver_func): Properly set
6293         DECL_CONTEXT on the RESULT_DECL.
6294         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6295
6296 2019-03-14  Richard Biener  <rguenther@suse.de>
6297
6298         * gimple-pretty-print.c: Include cfgloop.h.
6299         (dump_gimple_phi): Adjust.
6300         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6301         (pp_cfg_jump): Adjust.
6302         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6303         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6304         (lower_phi_internal_fn): Remove.
6305         (verify_gimple_call): Remove IFN_PHI special-casing.
6306         (dump_function_to_file): Dump IL state.
6307         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6308         done to deal with PHI nodes being present in non-SSA state.
6309
6310 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6311
6312         PR ipa/89684
6313         * multiple_target.c (create_dispatcher_calls): Change
6314         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6315         In the node->iterate_referring loop, push *ref rather than ref, call
6316         ref->remove_reference () and always pass 0 to iterate_referring.
6317
6318         PR rtl-optimization/89679
6319         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6320         would contain a paradoxical SUBREG.
6321
6322 2019-03-14  Richard Biener  <rguenther@suse.de>
6323
6324         PR tree-optimization/89710
6325         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6326         safe_dyn_cast.
6327
6328 2019-03-14  Martin Liska  <mliska@suse.cz>
6329
6330         * coverage.c (coverage_begin_function): Stream also
6331         end_column.
6332         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6333         documentation about function declaration location.
6334         * gcov-dump.c (tag_function): Print whole range
6335         of function declaration.
6336         * gcov.c (struct function_info): Add end_column field.
6337         (function_info::function_info): Initialize it.
6338         (output_json_intermediate_file): Output {start,end}_column
6339         fields.
6340         (read_graph_file): Read end_column.
6341
6342 2019-03-14  Richard Biener  <rguenther@suse.de>
6343
6344         PR middle-end/89698
6345         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6346         that the access types are similar.
6347
6348 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR tree-optimization/89703
6351         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6352         aren't compatible also with builtin_decl_explicit.  Check pure
6353         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6354         and BUILT_IN_STPNCPY{,_CHK}.
6355
6356 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6357
6358         PR target/89523
6359         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6360         addr32 prefix to VSIB address for X32.
6361         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6362         "%M2" to opcode.
6363         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6364         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6365         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6366         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6367         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6368         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6369         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6370         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6371         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6372         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6373         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6374         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6375         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6376         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6377         (*avx512f_scatterdi<mode>): Likewise.
6378
6379 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6380
6381         PR target/85860
6382         * lra-constraints.c (inherit_in_ebb): Update
6383         potential_reload_hard_regs along with live_hard_regs.
6384
6385 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6386
6387         PR debug/89498
6388         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6389         DWARF_OFFSET_SIZE.
6390         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6391
6392 2019-03-13  Martin Sebor  <msebor@redhat.com>
6393
6394         PR tree-optimization/89662
6395         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6396         has a size.
6397
6398 2019-03-13  Richard Biener  <rguenther@suse.de>
6399
6400         PR middle-end/89677
6401         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6402         throw FP expressions at tree-affine.
6403
6404 2019-03-14  Richard Biener  <rguenther@suse.de>
6405
6406         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6407         dump negative integer constants using _Literal (type) -num.
6408
6409 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6410
6411         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6412         nonlocal_value member.
6413
6414         PR middle-end/88588
6415         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6416         (ipa_simd_modify_function_body): Handle PHIs.
6417
6418 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6419
6420         * config/s390/s390.c (s390_option_override_internal): Use more
6421         aggressive inlining parameters.
6422
6423 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6424
6425         * config/s390/3906.md: New file.
6426         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6427         (LONGRUNNING_THRESHOLD): Remove.
6428         (MAX_SCHED_MIX_SCORE): Decrease.
6429         (MAX_SCHED_MIX_DISTANCE): Decrease.
6430         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6431         (struct s390_sched_state): New struct to hold scheduling state.
6432         (S390_SCHED_STATE_NORMAL): Remove.
6433         (S390_SCHED_STATE_CRACKED): Remove.
6434         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6435         (s390_get_sched_attrmask): Use new attribute.
6436         (s390_get_unit_mask): Use new units.
6437         (s390_is_fpd): New function.
6438         (s390_is_fxd): New function.
6439         (s390_is_longrunning): New function.
6440         (s390_sched_score): Use new functions.
6441         (s390_sched_reorder): Likewise.
6442         (s390_sched_variable_issue): Rework and use new functions.
6443         (s390_sched_init): Use new functions.
6444         * config/s390/s390.h (s390_tune_attr):  Add z14.
6445         * config/s390/s390.md: Add z14.
6446
6447 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6448
6449         * config/s390/2964.md: Update pipeline description.
6450         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6451         (LONGRUNNING_THRESHOLD): Remove.
6452         (LATENCY_FACTOR): Remove.
6453         (s390_get_unit_mask): Add unit.
6454         (s390_sched_score): Use fxd/fpd.
6455         (s390_sched_variable_issue): Use fxd/fpd.
6456
6457 2019-03-12  Martin Liska  <mliska@suse.cz>
6458
6459         * config/i386/i386.c: Reword an error message.
6460
6461 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6462
6463         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6464         terminate with newline.
6465
6466 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6467
6468         PR target/52726
6469         * config/s390/s390.md (tabort): Use %wd instead of
6470         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6471         letters and periods.
6472         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6473         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6474         's with %< and %>.
6475
6476         PR middle-end/89663
6477         * builtins.c (expand_builtin_int_roundingfn,
6478         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6479         gcc_unreachable if validate_arglist fails.
6480
6481 2019-03-12  Richard Biener  <rguenther@suse.de>
6482
6483         PR tree-optimization/89664
6484         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6485         free the occurance tree after the early out.
6486
6487 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6488
6489         PR middle-end/89655
6490         PR bootstrap/89656
6491         * vr-values.c (vr_values::update_value_range): If
6492         old_vr->varying_p (), don't update it, make new_vr also VARYING
6493         and return false.
6494
6495 2019-03-11  Martin Liska  <mliska@suse.cz>
6496
6497         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6498         Fix double string quoting.
6499
6500 2019-03-11  Martin Liska  <mliska@suse.cz>
6501
6502         * collect-utils.c (collect_wait): Wrap apostrophes
6503         in gcc internal format with %'.
6504         * collect2.c (main): Likewise.
6505         (scan_prog_file): Likewise.
6506         (scan_libraries): Likewise.
6507         * config/i386/i386.c (ix86_expand_call): Likewise.
6508         (ix86_handle_interrupt_attribute): Likewise.
6509         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6510         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6511         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6512         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6513         * symtab.c (symtab_node::verify_base): Likewise.
6514         * tree-cfg.c (verify_gimple_label): Likewise.
6515         * tree.c (verify_type_variant): Likewise.
6516
6517 2019-03-11  Martin Liska  <mliska@suse.cz>
6518
6519         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6520         in a string format message and fix GNU coding style.
6521         (expand_builtin_set_thread_pointer): Likewise.
6522         * common/config/aarch64/aarch64-common.c
6523         (aarch64_rewrite_selected_cpu): Likewise.
6524         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6525         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6526         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6527         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6528         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6529         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6530         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6531         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6532         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6533         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6534         Likewise.
6535         * common/config/riscv/riscv-common.c
6536         (riscv_subset_list::parsing_subset_version): Likewise.
6537         (riscv_subset_list::parse_std_ext): Likewise.
6538         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6539         (riscv_subset_list::parse): Likewise.
6540         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6541         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6542         (aarch64_override_options_internal): Likewise.
6543         (aarch64_validate_mcpu): Likewise.
6544         (aarch64_validate_march): Likewise.
6545         (aarch64_validate_mtune): Likewise.
6546         (aarch64_override_options): Likewise.
6547         * config/alpha/alpha.c (alpha_option_override): Likewise.
6548         * config/arc/arc.c (arc_init): Likewise.
6549         (parse_mrgf_banked_regs_option): Likewise.
6550         (arc_override_options): Likewise.
6551         (arc_expand_builtin_aligned): Likewise.
6552         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6553         (arm_expand_builtin): Likewise.
6554         * config/arm/arm.c (arm_option_check_internal): Likewise.
6555         (arm_configure_build_target): Likewise.
6556         (arm_option_override): Likewise.
6557         (arm_options_perform_arch_sanity_checks): Likewise.
6558         (arm_handle_cmse_nonsecure_entry): Likewise.
6559         (arm_handle_cmse_nonsecure_call): Likewise.
6560         (arm_tls_referenced_p): Likewise.
6561         (thumb1_expand_prologue): Likewise.
6562         * config/avr/avr.c (avr_option_override): Likewise.
6563         * config/bfin/bfin.c (bfin_option_override): Likewise.
6564         * config/c6x/c6x.c (c6x_option_override): Likewise.
6565         * config/cr16/cr16.c (cr16_override_options): Likewise.
6566         * config/cris/cris.c (cris_option_override): Likewise.
6567         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6568         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6569         * config/darwin.c (darwin_override_options): Likewise.
6570         * config/frv/frv.c (frv_expand_builtin): Likewise.
6571         * config/h8300/h8300.c (h8300_option_override): Likewise.
6572         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6573         (ix86_option_override_internal): Likewise.
6574         (warn_once_call_ms2sysv_xlogues): Likewise.
6575         (ix86_expand_prologue): Likewise.
6576         (split_stack_prologue_scratch_regno): Likewise.
6577         (ix86_warn_parameter_passing_abi): Likewise.
6578         * config/ia64/ia64.c (fix_range): Likewise.
6579         * config/m68k/m68k.c (m68k_option_override): Likewise.
6580         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6581         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6582         (mips_set_compression_mode): Likewise.
6583         * config/mmix/mmix.c (mmix_option_override): Likewise.
6584         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6585         * config/msp430/msp430.c (msp430_option_override): Likewise.
6586         * config/nds32/nds32.c (nds32_option_override): Likewise.
6587         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6588         (nios2_option_override): Likewise.
6589         (nios2_expand_custom_builtin): Likewise.
6590         * config/nvptx/mkoffload.c (main): Likewise.
6591         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6592         * config/pa/pa.c (fix_range): Likewise.
6593         (pa_option_override): Likewise.
6594         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6595         (riscv_option_override): Likewise.
6596         * config/rl78/rl78.c (rl78_option_override): Likewise.
6597         * config/rs6000/aix61.h: Likewise.
6598         * config/rs6000/aix71.h: Likewise.
6599         * config/rs6000/aix72.h: Likewise.
6600         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6601         * config/rs6000/freebsd64.h: Likewise.
6602         * config/rs6000/linux64.h: Likewise.
6603         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6604         (rs6000_expand_zeroop_builtin): Likewise.
6605         (rs6000_expand_mtfsb_builtin): Likewise.
6606         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6607         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6608         (rs6000_invalid_builtin): Likewise.
6609         (rs6000_expand_split_stack_prologue): Likewise.
6610         * config/rs6000/rtems.h: Likewise.
6611         * config/rx/rx.c (valid_psw_flag): Likewise.
6612         (rx_expand_builtin): Likewise.
6613         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6614         * config/s390/s390.c (s390_expand_builtin): Likewise.
6615         (s390_function_profiler): Likewise.
6616         (s390_option_override_internal): Likewise.
6617         (s390_option_override): Likewise.
6618         * config/sh/sh.c (sh_option_override): Likewise.
6619         (sh_builtin_saveregs): Likewise.
6620         (sh_fix_range): Likewise.
6621         * config/sh/vxworks.h: Likewise.
6622         * config/sparc/sparc.c (sparc_option_override): Likewise.
6623         * config/spu/spu.c (spu_option_override): Likewise.
6624         (fix_range): Likewise.
6625         * config/visium/visium.c (visium_option_override): Likewise.
6626         (visium_handle_interrupt_attr): Likewise.
6627         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6628         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6629         (dbg_cnt_process_opt): Likewise.
6630         * dwarf2out.c (output_dwarf_version): Likewise.
6631         * except.c (expand_eh_return): Likewise.
6632         * gcc.c (defined): Likewise.
6633         (driver_handle_option): Likewise.
6634         (process_command): Likewise.
6635         (compare_files): Likewise.
6636         (driver::prepare_infiles): Likewise.
6637         (driver::do_spec_on_infiles): Likewise.
6638         (driver::maybe_run_linker): Likewise.
6639         * omp-offload.c (oacc_parse_default_dims): Likewise.
6640         * opts-global.c (handle_common_deferred_options): Likewise.
6641         * opts.c (parse_sanitizer_options): Likewise.
6642         (common_handle_option): Likewise.
6643         (enable_warning_as_error): Likewise.
6644         * passes.c (enable_disable_pass): Likewise.
6645         * plugin.c (parse_plugin_arg_opt): Likewise.
6646         (default_plugin_dir_name): Likewise.
6647         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6648         (default_pch_valid_p): Likewise.
6649         * toplev.c (init_asm_output): Likewise.
6650         (process_options): Likewise.
6651         (toplev::run_self_tests): Likewise.
6652         * tree-cfg.c (verify_gimple_call): Likewise.
6653         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6654         (tree_inlinable_function_p): Likewise.
6655         * var-tracking.c (vt_find_locations): Likewise.
6656
6657 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6658
6659         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6660         only on the else branch.
6661
6662 2019-03-11  Martin Liska  <mliska@suse.cz>
6663
6664         * gcov.c (output_intermediate_json_line): Print function
6665         name of each line.
6666         (output_json_intermediate_file): Add new argument.
6667         * doc/gcov.texi: Document the change.
6668
6669 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6670
6671         PR rtl-optimization/89588
6672         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6673         explicit unrolling factor more robust.
6674
6675 2019-03-11  Richard Biener  <rguenther@suse.de>
6676
6677         PR tree-optimization/89649
6678         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6679         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6680         on the prolog and epilog loops.
6681         (vect_loop_versioning): Return copy of loop.
6682         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6683         on the non-vectorized version of the loop.
6684
6685 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6686
6687         PR target/68924
6688         * config/i386/sse.md (*vec_extractv2di_0_sse):
6689         Add (=r,x) alternative and corresponding splitter.
6690
6691 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6692
6693         PR tree-optimization/85762
6694         PR tree-optimization/87008
6695         PR tree-optimization/85459
6696         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6697         it points to if there is a type changing MEM_REF.  Adjust all callers.
6698         (build_accesses_from_assign): Disable total scalarization if
6699         contains_vce_or_bfcref_p returns true through the new parameter, for
6700         both rhs and lhs.
6701
6702 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6703
6704         PR c/88568
6705         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6706         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6707
6708         PR target/79645
6709         * common.opt (fdiagnostics-show-labels,
6710         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6711         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6712         gas-locview-support, ginline-points, ginternal-reset-location-views):
6713         Terminate description text with a dot.
6714         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6715         * config/mcore/mcore.opt (m210, m340): Likewise.
6716         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6717         mnops=): Start description text with a capital letter.
6718         * config/arc/arc.opt (msize-level=): Likewise.
6719         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6720         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6721         mnewlib): Likewise.
6722         * config/ft32/ft32.opt (msim): Likewise.
6723         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6724         (mnodiv, mnopm): Terminate description text with a dot.
6725         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6726         a colon.
6727         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6728         Likewise.
6729         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6730         text.
6731
6732         PR rtl-optimization/89634
6733         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6734         are modified in BB_END (e->src) instruction.
6735
6736 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6737
6738         PR target/79926
6739         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6740         messages more amenable to translation, and improve wording.
6741
6742 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6743
6744         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6745         ud- and du-chains between phases.
6746
6747 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6748
6749         PR debug/89631
6750         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6751         instead of POLY_INT_CST.
6752
6753 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6754
6755         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6756         requirement.
6757
6758 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6759
6760         PR target/68924
6761         PR target/78782
6762         PR target/87558
6763         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6764         (_mm_storeu_si64): Ditto.
6765
6766 2019-03-08  Martin Liska  <mliska@suse.cz>
6767
6768         PR target/86952
6769         * config/i386/i386.c (ix86_option_override_internal): Disable
6770         jump tables when retpolines are used.
6771
6772 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6773
6774         PR go/63560
6775         * ipa-split.c (execute_split_functions): Do not split
6776         'noinline' or 'section' function.
6777
6778 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6779
6780         PR target/79846
6781         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6782         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6783         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6784
6785         PR ipa/80000
6786         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6787         from diagnostics.  Formatting fixes.
6788
6789         PR target/85665
6790         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6791         warn_odr diagnostics.
6792
6793         PR other/80058
6794         * lra-constraints.c (process_alt_operands): Avoid one space before
6795         " at the end of line and another after " on another line in a string
6796         literal.
6797         * attribs.c (handle_dll_attribute): Likewise.
6798         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6799
6800         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6801         warning_at or inform messages in G_() if there is no ?:.
6802
6803         PR tree-optimization/89550
6804         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6805         returned true.  Formatting fixes.
6806         (expand_builtin_strnlen): Formatting fixes.
6807         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6808         if warning_at returned true.
6809         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6810
6811 2019-03-08  Richard Biener  <rguenther@suse.de>
6812
6813         PR middle-end/89578
6814         * cfgloop.h (struct loop): Add owned_clique field.
6815         * cfgloopmanip.c (copy_loop_info): Copy it.
6816         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6817         cliques.
6818         * tree-inline.c (copy_loops): Remap owned_clique.
6819         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6820         * lto-streamer-out.c (output_cfg): Likewise.
6821
6822 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6823
6824         PR target/80190
6825         * config/darwin.c: Include intl.h.
6826         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6827         composing the message out of two separate parts.
6828
6829 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6830
6831         PR target/80003
6832         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6833         doesn't start with a capital letter and doesn't end with a dot.
6834         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6835         with a capital letter.
6836         (ix86_mangle_function_version_assembler_name): Likewise.
6837         (ix86_generate_version_dispatcher_body): Likewise.
6838         (fold_builtin_cpu): Likewise.
6839         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6840         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6841         translators, wrap full type name in %qs.
6842
6843         PR translation/79999
6844         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6845         depend clause with source (or sink) modifier.
6846         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6847
6848         PR target/89602
6849         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6850         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6851         (avx512f_load<mode>_mask): New define_expand.
6852         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6853         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6854         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6855         __builtin_ia32_movess_mask): New builtins.
6856         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6857         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6858         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6859         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6860
6861 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6862
6863         PR lto/87525
6864         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6865         for extern inline functions.
6866
6867 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6868
6869         PR ipa/88235
6870         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6871         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6872         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6873         have multiple callees.  At the end check if declarations match as
6874         opposed to cgraph_nodes.
6875
6876 2019-03-07  Martin Liska  <mliska@suse.cz>
6877
6878         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6879         which is equivalent to searching for this in clones chain.
6880         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6881         names with a neighbour and special case first node in a chain.
6882
6883 2019-01-25  Jason Merrill  <jason@redhat.com>
6884
6885         PR c++/80916 - spurious "static but not defined" warning.
6886         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6887         for an internal symbol with DECL_EXTERNAL.
6888
6889 2019-04-07  Richard Biener  <rguenther@suse.de>
6890
6891         PR middle-end/89618
6892         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6893         * tree-inline.c (copy_loops): Simplify.
6894
6895 2019-03-07  Martin Liska  <mliska@suse.cz>
6896
6897         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6898
6899 2019-03-07  Richard Biener  <rguenther@suse.de>
6900
6901         PR tree-optimization/89595
6902         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6903         stmt iterator as reference, take boolean output parameter to
6904         indicate whether the stmt was removed and thus the iterator
6905         already advanced.
6906         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6907         stmts created by folding.
6908
6909 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6910
6911         PR c++/89585
6912         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6913         at toplevel.
6914
6915 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6916
6917         PR rtl-optimization/88845
6918         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6919         LRA.
6920         * lra.c (remove_scratches_1): New function.
6921         (remove_scratches): Use it.
6922         (lra_emit_move): Likewise.
6923
6924 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6925
6926         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6927         unaligned_access variable.
6928         * config/arc/arc.c (arc_override_options): Set unaligned access
6929         default on for HS CPUs.
6930         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6931
6932 2019-03-06  Martin Liska  <mliska@suse.cz>
6933
6934         PR gcov-profile/89577
6935         * doc/gcov.texi: Prefer to use --coverage.
6936         * doc/sourcebuild.texi: Likewise.
6937
6938 2019-03-02  Jason Merrill  <jason@redhat.com>
6939
6940         PR c++/86485 - -Wmaybe-unused with empty class ?:
6941         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6942
6943 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6944
6945         PR target/89587
6946         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6947         if_multiarch.
6948
6949         PR middle-end/89590
6950         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6951         exactly one argument.
6952
6953 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6954             Richard Sandiford  <richard.sandiford@arm.com>
6955
6956         PR tree-optimization/89570
6957         * match.pd (vec_cond into cond_op simplification): Don't use
6958         get_conditional_internal_fn, use as_internal_fn (cond_op).
6959
6960 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6961
6962         PR target/89222
6963         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6964         to decide when to split off a non-zero offset from a symbol.
6965         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6966         in function symbols.
6967
6968 2019-03-05  Richard Biener  <rguenther@suse.de>
6969
6970         PR tree-optimization/89594
6971         * tree-if-conv.c (pass_if_conversion::execute): Handle
6972         case where .LOOP_VECTORIZED_FUNCTION was removed.
6973
6974 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6975
6976         PR bootstrap/89560
6977         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6978         instead alloca it only when needed with the needed size.
6979
6980         PR tree-optimization/89570
6981         * match.pd (vec_cond into cond_op simplification): Guard with
6982         vectorized_internal_fn_supported_p test and #if GIMPLE.
6983
6984         PR tree-optimization/89566
6985         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6986         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6987         Punt if get_user_idx_format succeeds, but idx_format argument is
6988         not provided or doesn't have pointer type, or if idx_args is above
6989         number of provided arguments.
6990
6991 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6992
6993         PR tree-optimization/89437
6994         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6995
6996 2019-03-04  Richard Biener  <rguenther@suse.de>
6997
6998         PR middle-end/89572
6999         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7000         safe_dyn_cast.
7001
7002 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7003
7004         PR tree-optimization/89487
7005         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7006         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7007         (distribute_loop): Don't do runtime alias check if there is non-
7008         addressable data reference.
7009         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7010         is a register variable.
7011
7012 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7013
7014         PR target/89506
7015         * config/arm/arm.md (cmpsi2_addneg): Use
7016         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7017         If operands[2] is 0 or INT_MIN, force use of subs.
7018         (*compare_scc splitter): Use gen_int_mode.
7019         (*negscc): Likewise.
7020         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7021
7022 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7023             Monk Chiang  <sh.chiang04@gmail.com>
7024
7025         * common/config/riscv/riscv-common.c: Include sstream.
7026         (riscv_subset_list::to_string): New.
7027         (riscv_arch_str): Likewise.
7028         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7029         * config.in: Regen.
7030         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7031         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7032         (riscv_emit_attribute): New.
7033         (riscv_file_start): Emit attribute if needed.
7034         (riscv_option_override): Init riscv_emit_attribute_p.
7035         * config/riscv/riscv.opt (mriscv-attribute): New option.
7036         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7037         * configure: Regen.
7038         * doc/install.texi: Document --with-riscv-attribute.
7039         * doc/invoke.texi: Document -mriscv-attribute.
7040
7041         * common/config/riscv/riscv-common.c:
7042         Include config/riscv/riscv-protos.h.
7043         (INCLUDE_STRING): Defined.
7044         (RISCV_DONT_CARE_VERSION): Defined.
7045         (riscv_subset_t): Declare.
7046         (riscv_subset_t::riscv_subset_t): New.
7047         (riscv_subset_list): Declare.
7048         (riscv_subset_list::riscv_subset_list): New.
7049         (riscv_subset_list::~riscv_subset_list): Likewise.
7050         (riscv_subset_list::parsing_subset_version): Likewise.
7051         (riscv_subset_list::parse_std_ext): Likewise.
7052         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7053         (riscv_subset_list::add): Likewise.
7054         (riscv_subset_list::lookup): Likewise.
7055         (riscv_subset_list::xlen): Likewise.
7056         (riscv_subset_list::parse): Likewise.
7057         (riscv_supported_std_ext): Likewise.
7058         (current_subset_list): Likewise.
7059         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7060         parse.
7061
7062 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7063
7064         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7065         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7066         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7067
7068 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7069
7070         PR rtl-optimization/85899
7071         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7072         fallthru edges leading to the exit block.
7073
7074 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7075
7076         PR target/89517
7077         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7078         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7079
7080 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7081
7082         PR tree-optimization/89535
7083         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7084         for each operand.  Calculate the fallback choice for mask operands
7085         and pass it to vect_get_vec_def_for_operand.
7086
7087 2019-03-01  Richard Biener  <rguenther@suse.de>
7088
7089         PR middle-end/89541
7090         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7091         get virtual operands.
7092         (get_expr_operands): Handle CONST_DECL like other decls.
7093
7094 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7095
7096         PR middle-end/89503
7097         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7098         on DECL_P and EXPR_P.
7099
7100 2019-03-01  Richard Biener  <rguenther@suse.de>
7101
7102         PR middle-end/89497
7103         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7104         argument, defaulted to zero.
7105         * passes.c (execute_function_todo): Pass down SSA update flags
7106         to cleanup_tree_cfg.
7107         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7108         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7109         form if requested.
7110         (cleanup_tree_cfg): Get and pass down SSA update flags.
7111
7112 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7113
7114         PR bootstrap/89539
7115         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7116         early_lto_debug argument.
7117
7118 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7119
7120         PR tree-optimization/89536
7121         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7122         only whether bit #0 of the value is 0 instead of the entire value.
7123
7124 2019-02-28  Marek Polacek  <polacek@redhat.com>
7125
7126         PR c++/87068 - missing diagnostic with fallthrough statement.
7127         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7128         at the end of a seq, save its location to walk_stmt_info.
7129         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7130         a switch.
7131
7132 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7133
7134         PR lto/88585
7135         * tree.c (find_atomic_core_type): Move ahead in file.
7136         (check_base_type): Correctly compare alignments of atomic types.
7137
7138 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7139
7140         PR target/89455
7141         * config/i386/i386.c (get_builtin_code_for_version): Identify
7142         Westmere from PCLMUL, instead of AES.
7143
7144 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7145
7146         PR target/89434
7147         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7148         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7149         -UINTVAL (...).
7150
7151 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7152
7153         PR target/88530
7154         * config/aarch64/aarch64-option-extensions.def: Document it.
7155         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7156         if empty hwcaps.
7157
7158 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7159
7160         PR c/89520
7161         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7162         builtins if they don't have a single scalar floating point argument.
7163         Formatting fixes.
7164
7165 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7166
7167         PR rtl-optimization/89490
7168         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7169         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7170         block section is not mergeable.
7171
7172 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7173
7174         PR target/70341
7175         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7176         old define_insn to ...
7177         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7178         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7179         Rename old define_insn to ...
7180         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7181         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7182         define_insn to ...
7183         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7184         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7185         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7186
7187 2019-02-27  Richard Biener  <rguenther@suse.de>
7188
7189         PR debug/88878
7190         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7191
7192 2019-02-27  Richard Biener  <rguenther@suse.de>
7193
7194         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7195         building.
7196
7197 2019-02-27  Richard Biener  <rguenther@suse.de>
7198
7199         PR debug/88878
7200         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7201         parameter, prefix section name with .gnu.debuglto_ if true.
7202         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7203         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7204
7205 2019-02-27  Richard Biener  <rguenther@suse.de>
7206
7207         PR debug/89514
7208         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7209         rather than on use_debug_types, doing what output_die does.
7210         (value_format): Likewise.
7211
7212 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7213             Martin Sebor  <msebor@redhat.com>
7214
7215         * doc/invoke.texi (Warning Options): Reword description of
7216         -Wno-absolute-value.
7217
7218 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7219
7220         PR tree-optimization/89280
7221         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7222         builtin_setjmp_setup_bb): New functions.
7223         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7224         When visiting __builtin_setjmp_setup block, queue in special
7225         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7226         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7227         from visited after the loop if they don't have any visited successor
7228         blocks.
7229
7230 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7231
7232         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7233         New function.
7234         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7235
7236 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7237
7238         PR c++/89507
7239         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7240         with types other than sizetype/ssizetype.
7241
7242 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7243
7244         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7245         (enum sparc_processor_type): ...this.
7246         (enum sparc_code_model_type): New enumeration type.
7247         (enum sparc_memory_model_type): Tweak comments.
7248         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7249         (mtune): Likewise.
7250         (mcmodel): Use sparc_code_model enumeration and variable.
7251         (sparc_code_model): New enumeration.
7252         (mdebug): Add Undocumented marker.
7253         * config/sparc/sparc.h (enum cmodel): Delete.
7254         (sparc_cmodel): Likewise.
7255         (TARGET_CM_MEDLOW): Adjust to above renaming.
7256         (TARGET_CM_MEDMID): Likewise.
7257         (TARGET_CM_MEDANY): Likewise.
7258         (TARGET_CM_EMBMEDANY): Likewise.
7259         * config/sparc/sparc.c (sparc_cmodel): Delete.
7260         (sparc_option_override): Remove string/value mapping support for the
7261         code model.  Move code and memory model support to after the handling
7262         of target flags.  Do private machine setup last.
7263         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7264         (sparc_legitimize_reload_address): Likewise.
7265         (sparc_output_mi_thunk): Likewise.
7266         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7267
7268 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7269
7270         PR tree-optimization/89500
7271         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7272         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7273         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7274         cst if the first cst bytes starting at x are known to be non-zero,
7275         even if the string is not zero terminated.  Don't try to modify
7276         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7277         we can prove strnlen returns the same value as strlen would.
7278
7279 2019-02-26  Martin Liska  <mliska@suse.cz>
7280
7281         * alloc-pool.h (struct pool_usage): Remove extra
7282         print_dash_line.
7283         * bitmap.h (struct bitmap_usage): Likewise.
7284         * ggc-common.c (struct ggc_usage): Likewise.
7285         * mem-stats.h (struct mem_usage): Likewise.
7286         (mem_alloc_description::dump): Print dash lines
7287         here and repeat header at the end of a table report.
7288         It's then more readable.
7289         * tree-phinodes.c (phinodes_print_statistics): Make
7290         horizontal alignment.
7291         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7292         * vec.c (struct vec_usage): Remove extra print_dash_line.
7293         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7294
7295 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7296
7297         * doc/extend.texi (__builtin_object_size):
7298         Use @pxref instead of @xref inside parenthesis.
7299         (__builtin_has_attribute): Add missing comma after @xref.
7300         (__builtin_object_size): Ditto.
7301         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7302         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7303         in the list.
7304
7305 2019-02-26  Jeff Law  <law@redhat.com>
7306
7307         PR rtl-optimization/87761
7308         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7309         detect obviously dead insns and delete them.
7310
7311 2019-02-26  Richard Biener  <rguenther@suse.de>
7312
7313         PR tree-optimization/89505
7314         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7315         to handle restrict pointed-to vars with multiple subvars
7316         correctly.
7317
7318 2019-02-26  Richard Biener  <rguenther@suse.de>
7319
7320         PR tree-optimization/89489
7321         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7322
7323 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7324
7325         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7326         and move around comment.
7327         <BIT_AND_EXPR>: Likewise.
7328         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7329
7330 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7331
7332         PR target/89474
7333         * config/i386/i386.c (remove_partial_avx_dependency): Call
7334         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7335         after changing possibly many instructions to use that pseudo.  Fix up
7336         insertion of v4sf_const0 setter at the start of bb.
7337
7338 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7339
7340         PR c/80409
7341         * doc/extend.texi (Variadic Pointer Args): New section.
7342
7343 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7344             Martin Sebor  <msebor@gmail.com>
7345
7346         * common.opt (Wattribute-alias): Likewise.
7347         * doc/invoke.texi (Option Summary): List general form of
7348         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7349         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7350         Add cross-references.
7351         (-Wattribute-alias): Rewrite and correct default.  Mention
7352         considered attributes (same as for -Wmissing-attributes).
7353
7354 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7355
7356         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7357         (_mm_cvtpd_ps): Likewise.
7358         (_mm_cvttpd_epi32): Likewise.
7359
7360         PR target/89338
7361         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7362         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7363
7364         PR target/89339
7365         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7366
7367 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7368
7369         PR target/88530
7370         * common/config/aarch64/aarch64-common.c
7371         (struct aarch64_option_extension): Add is_synthetic.
7372         (all_extensions): Use it.
7373         (TARGET_OPTION_INIT_STRUCT): Define hook.
7374         (struct gcc_targetm_common): Moved to end.
7375         (all_extensions_by_on): New.
7376         (opt_ext_cmp, typedef opt_ext): New.
7377         (aarch64_option_init_struct): New.
7378         (aarch64_contains_opt): New.
7379         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7380         * config/aarch64/aarch64-option-extensions.def
7381         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7382         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7383         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7384         Set is_synthetic to false.
7385         (crypto): Set is_synthetic to true.
7386         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7387         SYNTHETIC.
7388
7389 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7390
7391         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7392         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7393         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7394         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7395         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7396         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7397         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7398         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7399         Rename ...
7400         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7401         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7402         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7403         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7404         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7405         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7406         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7407         vfmlsl_laneq_high_f16): ... To this.
7408         * config/arm/neon.md: Update comments.
7409
7410 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7411
7412         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7413         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7414         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7415         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7416         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7417         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7418         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7419         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7420         Rename ...
7421         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7422         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7423         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7424         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7425         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7426         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7427         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7428         vfmlslq_laneq_high_f16): ... To this.
7429
7430 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7431
7432         PR rtl-optimization/86096
7433         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7434         comparing mw_order values.
7435
7436 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7437
7438         PR target/89434
7439         * config/arm/arm.md (*subsi3_carryin_const): Use
7440         arm_neg_immediate_operand predicate instead of
7441         arm_not_immediate_operand, "L" constraint instead of "K" and
7442         print it using %n2 instead of %B2.
7443         (*subsi3_carryin_const0): New define_insn.
7444         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7445         instead of arm_not_operand and "I" constraint instead of "K" and
7446         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7447         another match_operand and in the condition check that it is negation
7448         of operands[2].
7449         (*subsi3_carryin_compare_const0): New define_ins.
7450         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7451         *subsi3_carryin_const.
7452         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7453         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7454
7455         PR target/89438
7456         * config/arm.vfp.md (*negdf2_vfp): Use
7457         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7458         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7459
7460 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7461
7462         PR rtl-optimization/89445
7463         * simplify-rtx.c (simplify_ternary_operation): Don't use
7464         simplify_merge_mask on operands that may trap.
7465         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7466         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7467         second operand is CONST_VECTOR, check if any element could be zero.
7468         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7469         their operands can trap.
7470
7471 2019-02-23  Martin Sebor  <msebor@redhat.com>
7472
7473         * gimple-ssa-sprintf.c (target_strtol): Rename...
7474         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7475         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7476         check for range error.
7477
7478 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7479
7480         PR driver/69471
7481         * opts-common.c (prune_options): Also prune joined switches
7482         with Negative and RejectNegative.
7483         * config/i386/i386.opt (march=): Add Negative(march=).
7484         (mtune=): Add Negative(mtune=).
7485         * doc/options.texi: Document Negative used together with Joined
7486         and RejectNegative.
7487
7488 2019-02-22  Martin Sebor  <msebor@redhat.com>
7489
7490         * doc/extend.texi (Other Builtins): Add
7491         __builtin_is_constant_evaluated.
7492
7493 2019-02-22  Richard Biener  <rguenther@suse.de>
7494
7495         PR tree-optimization/87609
7496         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7497
7498 2019-02-22  Jeff Law  <law@redhat.com>
7499
7500         PR rtl-optimization/87761
7501         * config/mips/mips.md: Add new combiner pattern to recognize
7502         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7503
7504 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7505
7506         PR target/89324
7507         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7508         destination register in peepholes generating patterns for ADDS/SUBS.
7509         (add<mode>3_compare0,
7510         *addsi3_compare0_uxtw, add<mode>3_compareC,
7511         add<mode>3_compareV_imm, add<mode>3_compareV,
7512         *adds_<optab><ALLX:mode>_<GPI:mode>,
7513         *subs_<optab><ALLX:mode>_<GPI:mode>,
7514         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7515         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7516         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7517         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7518         sub<mode>3_compare1): Allow stack pointer for source register.
7519         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7520
7521 2019-02-22  Martin Sebor  <msebor@redhat.com>
7522
7523         PR tree-optimization/88993
7524         PR tree-optimization/88853
7525         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7526         New helper.
7527         (sprintf_dom_walker::call_info::is_string_func): New helper.
7528         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7529         for formatted string functions.
7530         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7531
7532 2019-02-22  Martin Sebor  <msebor@redhat.com>
7533
7534         PR c/89425
7535         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7536         unreachable subexpressions.
7537
7538 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7539             Hongtao Liu  <hongtao.liu@intel.com>
7540             Sunil K Pandey  <sunil.k.pandey@intel.com>
7541
7542         PR target/87007
7543         * config/i386/i386-passes.def: Add
7544         pass_remove_partial_avx_dependency.
7545         * config/i386/i386-protos.h
7546         (make_pass_remove_partial_avx_dependency): New.
7547         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7548         New function.
7549         (pass_data_remove_partial_avx_dependency): New.
7550         (pass_remove_partial_avx_dependency): Likewise.
7551         (make_pass_remove_partial_avx_dependency): Likewise.
7552         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7553         (*extendsfdf2): Add avx_partial_xmm_update.
7554         (truncdfsf2): Likewise.
7555         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7556         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7557
7558 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7559
7560         PR middle-end/85598
7561         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7562         analysis for pass.
7563
7564 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7565
7566         PR target/89444
7567         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7568         (PTA_SKYLAKE): Add PTA_AES.
7569         (PTA_GOLDMONT): Likewise.
7570
7571 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7572
7573         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7574         instruction if enabled.
7575         (aarch64_override_options): Remove reference to return address key.
7576
7577 2019-02-22  Richard Biener  <rguenther@suse.de>
7578
7579         PR tree-optimization/89440
7580         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7581         not necessary assert.
7582
7583 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7584
7585         PR fortran/72741
7586         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7587         (oacc_replace_fn_attrib_attr): ... this new function.
7588         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7589         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7590
7591 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7592
7593         * config/arm/arm-cpus.in (ares): Rename to...
7594         (neoverse-n1): ... This.  Add ares as alias.
7595         * config/arm/arm-tables.opt: Regenerate.
7596         * config/arm/arm-tune.md: Likewise.
7597         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7598
7599 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7600
7601         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7602         * config/aarch64/aarch64-tune.md: Regenerate.
7603         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7604
7605 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7606
7607         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7608         (neoversen1_tunings): ... This.
7609         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7610         (neoverse-n1): New CPU.
7611         * config/aarch64/aarch64-tune.md: Regenerate.
7612         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7613
7614 2019-02-22  Richard Biener  <rguenther@suse.de>
7615
7616         PR middle-end/87609
7617         * cfghooks.h (dependence_hash): New typedef.
7618         (struct copy_bb_data): New type.
7619         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7620         (duplicate_block): Likewise.
7621         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7622         (copy_bbs): Create and pass down copy_bb_data.
7623         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7624         (rtl_duplicate_bb): Likewise.
7625         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7626         remap dependence info.
7627
7628 2019-02-22  Richard Biener  <rguenther@suse.de>
7629
7630         PR tree-optimization/87609
7631         * tree-core.h (tree_base): Document special clique values.
7632         * tree-inline.c (remap_dependence_clique): Do not use the
7633         special clique value of one.
7634         (maybe_set_dependence_info): Use clique one.
7635         (clear_dependence_clique): New callback.
7636         (compute_dependence_clique): Clear clique one from all refs
7637         before assigning it (again).
7638
7639 2019-02-21  Martin Sebor  <msebor@redhat.com>
7640
7641         * doc/extend.texi (__clear_cache): Correct signature.
7642
7643 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7644
7645         PR go/89170
7646         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7647         than output_constant_def.
7648         (add_constant_to_table): New static function.
7649         (output_constant_def): Call add_constant_to_table.
7650         (tree_output_constant_def): Likewise.
7651
7652 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7653
7654         PR c++/89285
7655         * builtins.c (fold_builtin_arith_overflow): If first two args are
7656         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7657         to ifn.
7658
7659 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7660
7661         PR target/87412
7662         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7663         error for -mindirect-branch/-mfunction-return with incompatible
7664         -fcf-protection.
7665
7666 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7667
7668         PR bootstrap/88714
7669         * constraints.md (q): Remove.
7670         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7671         instead of q.
7672
7673 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7674
7675         PR hsa/89302
7676         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7677         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7678         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7679         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7680         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7681         proper values to new parameters of omp_adjust_for_condition.
7682
7683 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7684
7685         PR middle-end/89412
7686         * expr.c (expand_assignment): If result is a MEM, use change_address
7687         instead of simplify_gen_subreg.
7688
7689 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7690             David Malcolm  <dmalcolm@redhat.com>
7691
7692         PR middle-end/89091
7693         * fold-const.c (decode_field_reference): Return NULL_TREE if
7694         lang_hooks.types.type_for_size returns NULL.  Check it before
7695         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7696
7697 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7698
7699         PR middle-end/88074
7700         PR middle-end/89415
7701         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7702         buggy mpc_norm.
7703
7704 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7705
7706         PR target/89397
7707         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7708         TARGET_SSE in addition to TARGET_SSE_MATH.
7709
7710         (ix86_excess_precision): Ditto.
7711         (ix86_float_exceptions_rounding_supported_p): Ditto.
7712         (use_rsqrt_p): Ditto.
7713         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7714
7715 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7716
7717         PR c/89410
7718         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7719         linenum_arith_t when determining if two adjacent line spans are
7720         close enough to merge.
7721         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7722         lines within each line_span.
7723
7724 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7725
7726         PR target/86487
7727         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7728         paradoxical SUBREGS.
7729
7730 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7731
7732         PR target/88100
7733         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7734         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7735         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7736         range checking it.
7737
7738 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7739
7740         * config/gcn/gcn.c (print_operand): Fix typo.
7741
7742 2019-02-19  Richard Biener  <rguenther@suse.de>
7743
7744         PR middle-end/88074
7745         * toplev.c (do_compile): Initialize mpfr's exponent range
7746         based on available float modes.
7747
7748 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7749
7750         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7751         as long as the epilogue isn't completed.
7752
7753 2019-02-18  Martin Sebor  <msebor@redhat.com>
7754
7755         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7756         __has_cpp_attribute, and __has_include.
7757
7758 2019-02-18  Martin Sebor  <msebor@redhat.com>
7759
7760         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7761
7762 2019-02-18  Martin Sebor  <msebor@redhat.com>
7763
7764         PR middle-end/89294
7765         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7766         expression.
7767         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7768
7769 2019-02-18  Richard Biener  <rguenther@suse.de>
7770
7771         PR tree-optimization/89296
7772         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7773         of no-warning flag to cases that might emit the bogus warning.
7774
7775 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7776
7777         PR bootstrap/88714
7778         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7779         "q" constraint.
7780         * config/arm/vfp.md (*movdi_vfp): Likewise.
7781         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7782         "q" constraint for operands[0].
7783
7784         PR target/89369
7785         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7786         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7787         pattern in a temporary buffer.
7788         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7789         than 64-operands[2].
7790
7791         PR target/89361
7792         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7793         s390_indirect_branch_settings): Define unconditionally.
7794         (s390_set_current_function): Likewise, but guard the whole body except
7795         the s390_indirect_branch_settings call with
7796         #if S390_USE_TARGET_ATTRIBUTE.
7797         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7798
7799         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7800         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7801         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7802         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7803         HOST_WIDE_INT_1U instead of 1ULL.
7804         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7805         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7806         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7807         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7808         instead of 1UL.
7809         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7810         instead of 1ul.
7811
7812 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7813
7814         PR tree-optimization/89209
7815         * tree-sra.c (create_access_replacement): New optional parameter
7816         reg_tree.  Use it as a type if non-NULL and access type is not of
7817         a register type.
7818         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7819         to create_access_replacement.
7820         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7821         Check lacc is non-NULL before attempting to re-create it on the RHS.
7822
7823 2019-02-18  Martin Liska  <mliska@suse.cz>
7824
7825         PR ipa/89306
7826         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7827         by default.
7828         (symbol_table::free_edge): Recycle m_summary_id.
7829         * cgraph.h (get_summary_id): New.
7830         (symbol_table::release_symbol): Set m_summary_id to -1
7831         by default.
7832         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7833         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7834         function_summary to fast_function_summary.
7835         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7836         * ipa-pure-const.c (class funct_state_summary_t):
7837         Switch from function_summary to fast_function_summary.
7838         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7839         (class ipa_ref_opt_summary_t): Switch from function_summary
7840         to fast_function_summary.
7841         * symbol-summary.h (class function_summary_base): New class
7842         that is created from base of former function_summary.
7843         (function_summary_base::unregister_hooks): New.
7844         (class function_summary): Inherit from function_summary_base.
7845         (class call_summary_base): New class
7846         that is created from base of former call_summary.
7847         (class call_summary): Inherit from call_summary_base.
7848         (struct is_same): New.
7849         (class fast_function_summary): New summary class.
7850         (class fast_call_summary): New summary class.
7851         * vec.h (vec_safe_grow_cleared): New function.
7852
7853 2019-02-18  Martin Liska  <mliska@suse.cz>
7854
7855         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7856         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7857         * doc/tm.texi: Document new target hook.
7858         * doc/tm.texi.in: Likewise.
7859         * target.def: Add new target macro.
7860         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7861         suffixes.
7862
7863 2019-02-17  Alan Modra  <amodra@gmail.com>
7864
7865         PR target/89271
7866         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7867         output reg on add insn.
7868         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7869
7870 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7871
7872         PR target/89372
7873         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7874         (PMULHRSW): Likewise.
7875         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7876         TARGET_AVX2.
7877         (ssse3_pmulhrswv4hi3): New expander.
7878
7879 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7880
7881         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7882         MMX.  Add isa attribute.
7883
7884 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7885
7886         PR rtl-optimization/66152
7887         * builtins.h (c_readstr): Declare.
7888         * builtins.c (c_readstr): Remove forward declaration.  Add
7889         null_terminated_p argument, if false, read all bytes from the
7890         string instead of stopping after '\0'.
7891         * expr.c (string_cst_read_str): New function.
7892         (store_expr): Use string_cst_read_str instead of
7893         builtin_strncpy_read_str.  Try to store by pieces the whole
7894         exp_len first, and only if that fails, split it up into
7895         store by pieces followed by clear_storage.  Formatting fix.
7896
7897         * config/i386/i386.md (*movqi_internal): Remove static from
7898         buf variable.  Use output_asm_insn (buf, operands); return "";
7899         instead of return buf;.
7900         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7901         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7902         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7903
7904 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7905
7906         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7907         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7908         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7909         (CC1_SPEC): Likewise.
7910         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7911
7912 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7913
7914         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7915         the base address on 64-bit strict-alignment platforms.
7916
7917 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7918
7919         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7920
7921 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7922
7923         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7924
7925 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7926
7927         PR rtl-optimization/88308
7928         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7929         on copied instruction.
7930
7931 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7932
7933         * final.c (insn_current_reference_address): Replace test on JUMP_P
7934         with test on jump_to_label_p.
7935         * config/visium/visium-passes.def: New file.
7936         * config/visium/t-visium (PASSES_EXTRA): Define.
7937         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7938         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7939         (TRAMPOLINE_ALIGNMENT): Define.
7940         * config/visium/visium.c (visium_option_override): Do not register
7941         the machine-specific reorg pass here.
7942         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7943         for the GR6.
7944         (output_branch): Adjust threshold for long branch instruction.
7945         * config/visium/visium.md (cpu): Move around.
7946         (length): Adjust for the GR6.
7947
7948 2019-02-15  Richard Biener  <rguenther@suse.de>
7949             Jakub Jelinek  <jakub@redhat.com>
7950
7951         PR tree-optimization/89278
7952         * tree-loop-distribution.c: Include tree-eh.h.
7953         (generate_memset_builtin, generate_memcpy_builtin): Call
7954         rewrite_to_non_trapping_overflow on builtin->size before passing it
7955         to force_gimple_operand_gsi.
7956
7957 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7958
7959         PR other/89342
7960         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7961         optimize_debug.
7962         * opth-gen.awk: Likewise.
7963
7964 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7965
7966         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7967         Enable MMX, SSE and SSE2 by default.
7968         * config/i386/i386.c (ix86_option_override_internal): Do not
7969         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7970
7971 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7972
7973         PR rtl-optimization/89354
7974         * combine.c (make_extraction): Punt if extraction_mode is narrower
7975         than len bits.
7976
7977 2019-02-14  Maya Rashish  <coypu@sdf.org>
7978
7979         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7980         * config/netbsd-d.c: New file.
7981         * config/t-netbsd: Add netbsd-d.o
7982
7983 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7984
7985         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7986         affects_type_identity to true for aarch64_vector_pcs.
7987         (aarch64_comp_type_attributes): New function.
7988         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7989
7990 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7991
7992         PR target/88850
7993         * config/arm/iterators.md (ANY64): Add V4HF.
7994
7995 2019-02-14  Martin Liska  <mliska@suse.cz>
7996
7997         PR rtl-optimization/89242
7998         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7999         process a transformation.
8000
8001 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8002
8003         PR tree-optimization/89314
8004         * fold-const.c (fold_binary_loc): Cast strlen argument to
8005         const char * before dereferencing it.  Formatting fixes.
8006
8007         PR middle-end/89284
8008         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8009
8010 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8011
8012         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8013         and set current index for other optimizations.
8014
8015 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8016
8017         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8018         nonimmediate_operand as operand 2 predicate.
8019         (vec_set<VF2_512_256:mode>_0): Ditto.
8020         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8021         (*vec_concatv2si): Remove alternative 2.
8022         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8023         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8024         (vec_concatv2di): Split alternatives 4,5,6 to ...
8025         (*vec_concatv2di_0) ... new pattern.
8026
8027 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8028
8029         PR target/89190
8030         * config/arm/arm.c (ldm_stm_operation_p) Set
8031         addr_reg_in_reglist correctly for first register.
8032         (load_multiple_sequence): Remove dead base check.
8033         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8034
8035 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8036
8037         PR target/88847
8038         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8039         Expose as @aarch64_pred_mov.
8040         * config/aarch64/aarch64.c (aarch64_classify_address):
8041         Use expand_insn which legitimizes operands.
8042
8043 2019-02-13  Martin Liska  <mliska@suse.cz>
8044
8045         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8046         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8047         and pointer_offset fields.
8048         (initialize_argument_information): Remove usage of dead
8049         fields.
8050         * cgraph.h (struct cgraph_thunk_info): Remove
8051         add_pointer_bounds_args.
8052         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8053         fields.
8054         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8055         fields.
8056         * config/i386/i386.c (ix86_function_arg_advance): Remove
8057         unrelated comment.
8058         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8059         (def_builtin):  Remove usage of dead
8060         fields.
8061         (ix86_add_new_builtins): Likewise.
8062         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8063         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8064         (sem_function::init): Likewise.
8065         (sem_variable::merge): Likewise.
8066         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8067         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8068         * lto-cgraph.c (lto_output_node): Likewise.
8069         (lto_output_varpool_node): Likewise.
8070         (input_node): Likewise.
8071         (input_varpool_node): Likewise.
8072         * lto-streamer-out.c (lto_output): Likewise.
8073         * tree-inline.c (expand_call_inline): Remove usage of
8074         assign_stmts.
8075         * tree-inline.h (struct copy_body_data): Likewise.
8076         * varpool.c (varpool_node::dump): Likewise.
8077
8078 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8079
8080         PR middle-end/89303
8081         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8082         into pt->vars_contains_escaped_heap instead of setting
8083         pt->vars_contains_escaped_heap to it.
8084
8085         PR middle-end/89281
8086         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8087         INTVAL (size), compare it to GET_MODE_MASK instead of
8088         1 << GET_MODE_BITSIZE.
8089
8090         PR target/89290
8091         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8092         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8093         -mcmodel=large.
8094
8095 2019-02-13  Martin Liska  <mliska@suse.cz>
8096
8097         PR lto/88858
8098         * cfgrtl.c (remove_barriers_from_footer): New function.
8099         (try_redirect_by_replacing_jump): Use it.
8100         (cfg_layout_redirect_edge_and_branch): Likewise.
8101
8102 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8103
8104         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8105         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8106         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8107         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8108         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8109         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8110         New BU_CRYPTO_2.
8111         * config/rs6000/rs6000.c (builtin_function_type)
8112         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8113         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8114         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8115         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8116         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8117
8118 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8119
8120         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8121         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8122
8123 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8124
8125         PR target/89229
8126         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8127         268678 and revision 268657.
8128         (*movti_internal): Likewise.
8129
8130 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8131
8132         PR target/89233
8133         * config/s390/s390.c (s390_decompose_address): Update comment.
8134         (s390_check_qrst_address): Reject invalid address forms after
8135         LRA.
8136
8137 2019-02-12  Martin Liska  <mliska@suse.cz>
8138
8139         PR lto/88876
8140         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8141         we need default values of funct_state for a function that
8142         is not optimized.
8143
8144 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8145
8146         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8147         the object to pick the size of stores on strict-alignment platforms.
8148
8149         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8150         (*movdi_insn_sp32): Likewise.
8151         (*movdi_insn_sp64): Likewise.
8152
8153 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8154
8155         PR lto/88677
8156         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8157         types that needs constructiong.
8158         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8159
8160 2019-02-12  Richard Biener  <rguenther@suse.de>
8161
8162         PR tree-optimization/89253
8163         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8164         duplicate the loop.
8165
8166 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8167
8168         PR lto/88147
8169         * input.c (selftest::test_line_offset_overflow): New selftest.
8170         (selftest::input_c_tests): Call it.
8171
8172 2019-02-11  Martin Sebor  <msebor@redhat.com>
8173
8174         PR tree-optimization/88771
8175         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8176         when -Wstringop-overflow is set.
8177         (builtin_memref::builtin_memref): Adjust excessive upper bound
8178         only when lower bound is not excessive.
8179         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8180         -Wstringop-ovefflow.
8181         (maybe_diag_offset_bounds): Rename...
8182         (maybe_diag_access_bounds): ...to this.
8183         (check_bounds_or_overlap): Adjust for name change above.
8184
8185 2019-02-11  Martin Sebor  <msebor@redhat.com>
8186
8187         PR c++/87996
8188         * builtins.c (max_object_size): Move from here...
8189         * builtins.h (max_object_size): ...and here...
8190         * tree.c (max_object_size): ...to here...
8191         * tree.h (max_object_size): ...and here.
8192
8193 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8194
8195         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8196         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8197         for correct semantics.
8198
8199 2019-02-11  Alan Modra  <amodra@gmail.com>
8200
8201         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8202         -mlongcall and -mpltseq.
8203         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8204         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8205         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8206         * config/rs6000/sysv4.opt (mpltseq): New option.
8207         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8208         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8209         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8210         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8211         -mpltseq given for ELFv1.
8212         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8213         Only use UNSPEC_PLTSEQ for inline PLT calls.
8214         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8215         use UNSPEC_PLTSEQ for inline PLT calls.
8216         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8217         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8218         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8219         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8220         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8221         (pltseq_mtctr_<mode>): Likewise.
8222
8223 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8224
8225         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8226         Solaris ld.
8227         * configure: Regenerate.
8228
8229 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8230
8231         PR bootstrap/88714
8232         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8233         instead of r.
8234
8235 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8236
8237         * function.c (assign_parm_setup_block): Use the stored
8238         size, not the passed size, when allocating stack-space,
8239         also for a parameter with alignment larger than
8240         MAX_SUPPORTED_STACK_ALIGNMENT.
8241
8242 2019-02-11  Martin Liska  <mliska@suse.cz>
8243
8244         PR ipa/89009
8245         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8246         * ipa-inline.c (inline_small_functions): Likewise.
8247         * ipa-pure-const.c (propagate_pure_const): Likewise.
8248         (propagate_nothrow): Likewise.
8249         * ipa-reference.c (propagate): Likewise.
8250         * ipa-utils.c (struct searchc_env): Remove unused field.
8251         (searchc): Always search across AVAIL_INTERPOSABLE.
8252         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8253         the only called IPA pure const can properly not propagate
8254         across interposable boundary.
8255         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8256
8257 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8258
8259         * config/nds32/nds32.md (call_internal, call_value_internal,
8260         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8261
8262 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8263
8264         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8265         typo.
8266
8267 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8268
8269         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8270         in comments
8271
8272 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8273
8274         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8275
8276 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8277
8278         PR tree-optimization/89268
8279         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8280         if preds is non-NULL.
8281
8282 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8283
8284         PR lto/89272
8285         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8286         polymorphic types.
8287
8288 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8289
8290         * config/nds32/nds32.md (trap): New pattern.
8291
8292 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8293
8294         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8295         dwarf span.
8296
8297 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8298
8299         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8300         to split POST_INC.
8301
8302 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8303
8304         * ipa-visibility.c (localize_node): Also do not localize
8305         LDPR_PREVAILING_DEF_IRONLY_EXP.
8306
8307 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8308
8309         PR lto/87957
8310         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8311         instead of type_with_linkage.
8312
8313 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8314
8315         PR ipa/88755
8316         * params.def (uninlined-function-insns, uninlined-function-time,
8317         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8318         bound so we don't get overflows.
8319
8320 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8321
8322         * config/rs6000/rs6000-string.c (expand_compare_loop,
8323         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8324         memcmp/strncmp.
8325
8326 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8327
8328         PR middle-end/89246
8329         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8330         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8331         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8332
8333 2019-02-09  Alan Modra  <amodra@gmail.com>
8334
8335         PR target/88343
8336         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8337         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8338         setup.
8339
8340 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8341
8342         PR middle-end/88560
8343         * lra-constraints.c (process_alt_operands): Don't increase reject
8344         for memory when offset memory is required.
8345
8346 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8347
8348         * config/s390/vector.md: Implement vector copysign.
8349
8350 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8351
8352         * expr.c (expand_constructor): Correct indentations.
8353
8354 2019-02-08  Richard Biener  <rguenther@suse.de>
8355
8356         PR tree-optimization/89247
8357         * tree-if-conv.c: Include tree-cfgcleanup.h.
8358         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8359         (tree_if_conversion): Pass through predicate vector.
8360         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8361         inline, see if any if-converted loops we refrece in
8362         LOOP_VECTORIZED calls vanished and fixup.
8363         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8364
8365 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8366
8367         * config/s390/constraints.md (jdd): New constraint.
8368
8369 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8370
8371         PR target/89229
8372         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8373         upper 16 vector registers without TARGET_AVX512VL.
8374         (*movti_internal): Likewise.
8375
8376 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8377
8378         PR rtl-optimization/89234
8379         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8380         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8381         (copy_reg_eh_region_note_backward): Likewise.
8382
8383 2019-02-08  Richard Biener  <rguenther@suse.de>
8384
8385         PR middle-end/89223
8386         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8387         doesn't fit in HWI.
8388         (analyze_subscript_affine_affine): Handle failure from
8389         initialize_matrix_A.
8390
8391 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8392
8393         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8394         cfun everywhere.
8395
8396 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8397
8398         PR tree-optimization/86637
8399         PR tree-optimization/89235
8400         * tree-vect-loop.c (optimize_mask_stores): Add an
8401         auto_purge_vect_location sentinel to ensure that vect_location is
8402         purged on exit.
8403         * tree-vectorizer.c
8404         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8405         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8406         to ensure that vect_location is purged on exit.
8407         (pass_slp_vectorize::execute): Likewise, replacing the manual
8408         reset.
8409         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8410
8411 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8412
8413         * config/aarch64/iterators.md (max_opp): New code_attr.
8414         (USMAX): New code iterator.
8415         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8416         (aarch64_smax): Likewise.
8417         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8418         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8419         MINUS (MAX MIN).
8420
8421 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8422
8423         PR target/89229
8424         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8425         for TARGET_AVX512VL.
8426         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8427
8428 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8429
8430         * config/s390/s390-builtin-types.def: Add new types.
8431         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8432         (s390_vec_xlw4): Make the memory operand into a const pointer.
8433         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8434         float.
8435         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8436         a new vector type with the alignment of the scalar memory operand.
8437
8438 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8439             Jakub Jelinek  <jakub@redhat.com>
8440
8441         PR bootstrap/88714
8442         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8443         arm_count_ldrdstrd_insns): New declarations.
8444         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8445         MINUS.
8446         (valid_operands_ldrd_strd): New function.
8447         (arm_count_ldrdstrd_insns): New function.
8448         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8449         sets instead of single DImode set and define new insns to match this.
8450
8451 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8452
8453         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8454         Make it a C initializer.
8455
8456 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8457
8458         PR/target 88850
8459         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8460
8461 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8462
8463         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8464         Use neon_dot<q> for type.
8465         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8466
8467 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8468
8469         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8470         Use neon_dot<q> for type.
8471         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8472         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8473
8474 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8475
8476         PR rtl-optimization/89225
8477         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8478         sizes check.
8479
8480 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8481
8482         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8483         after restoring registers saved to allocate the frame on Windows.
8484
8485 2019-02-06  Richard Biener  <rguenther@suse.de>
8486
8487         PR tree-optimization/89182
8488         * graphite.h (cached_scalar_evolution_in_region): Declare.
8489         * graphite.c (struct seir_cache_key): New.
8490         (struct sese_scev_hash): Likewise.
8491         (seir_cache): New global.
8492         (cached_scalar_evolution_in_region): New function.
8493         (graphite_transform_loops): Allocate and release seir_cache.
8494         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8495         cached_scalar_evolution_in_region.
8496         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8497         Simplify.
8498         (scop_detection::graphite_can_represent_expr: Use
8499         cached_scalar_evolution_in_region.
8500         (scop_detection::stmt_simple_for_scop_p): Likewise.
8501         (find_params_in_bb): Likewise.
8502         (gather_bbs::before_dom_children): Likewise.
8503         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8504         (add_loop_constraints): Likewise.
8505
8506 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8507
8508         PR middle-end/89210
8509         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8510         operand to new_unary_operation only if both element types are integral
8511         and it isn't a widening conversion.  Return NULL_TREE if
8512         new_unary_operation failed.
8513
8514 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8515
8516         PR target/88856
8517         * config/s390/s390.md: Remove load and test FP splitter.
8518
8519 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8520
8521         PR target/89112
8522         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8523         expand_compare_loop, expand_block_compare_gpr,
8524         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8525         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8526         #include "profile-count.h" and "predict.h" for types and functions
8527         needed to work with REG_BR_PROB notes.
8528
8529 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8530
8531         PR target/89112
8532         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8533         for the long branch case.
8534
8535 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8536
8537         PR target/89188
8538         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8539         can throw, non-call exceptions are enabled and we can't delete
8540         dead exceptions or alter cfg.  Set must_clean if
8541         delete_insn_and_edges returns true, don't set it blindly for calls.
8542         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8543
8544         PR rtl-optimization/89195
8545         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8546         of the original MEM.
8547
8548 2019-02-05  Martin Liska  <mliska@suse.cz>
8549
8550         PR gcov-profile/89000
8551         * gcov.c (function_summary): Remove argument.
8552         (file_summary): New function.
8553         (print_usage): Replace tabs with spaces.
8554         (generate_results): Use new function file_summary.
8555
8556 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8557
8558         PR target/89186
8559         * optabs.c (prepare_cmp_insn): Pass x and y to
8560         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8561
8562 2019-02-05  Richard Biener  <rguenther@suse.de>
8563
8564         PR middle-end/89150
8565         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8566         (struct bitmap_element): Drop chain_prev so we properly recurse on
8567         the prev member, supporting tree views.
8568         (struct bitmap_head): GTY skip the obstack member.
8569
8570 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8571
8572         PR c/88698
8573         * doc/extend.texi (Vector Extensions): Add an example of using vector
8574         types together with x86 intrinsics.
8575
8576 2019-02-04  Alan Modra  <amodra@gmail.com>
8577
8578         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8579         str[] size to 160, and comment.
8580
8581 2019-02-04  Alan Modra  <amodra@gmail.com>
8582
8583         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8584         (rs6000_pltseq_template): Guard output of TLS markers with
8585         TARGET_TLS_MARKERS.
8586         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8587         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8588         to use inline PLT sequences.
8589         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8590         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8591         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8592
8593 2019-02-04  Martin Liska  <mliska@suse.cz>
8594
8595         PR ipa/88985
8596         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8597         out when ipa_fn_summaries does not contain entry for callee.
8598
8599 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8600
8601         * config/sparc/sparc.h: Remove superfluous blank lines.
8602         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8603         (got_register_rtx): ...this.
8604         (sparc_got): Adjust to above renaming.
8605         (sparc_tls_got): Likewise.
8606         (sparc_delegitimize_address): Likewise.
8607         (sparc_output_mi_thunk): Likewise.
8608         (sparc_init_pic_reg): Likewise.
8609         (save_local_or_in_reg_p): Fix test on the GOT register.
8610         (USE_HIDDEN_LINKONCE): Move around.
8611         (get_pc_thunk_name): Likewise.
8612         (gen_load_pcrel_sym): Likewise.
8613         (load_got_register): Likewise.
8614
8615 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8616
8617         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8618         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8619
8620 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8621
8622         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8623         into consideration.
8624
8625 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8626
8627         * config.gcc (with_nds32_lib, glibc):
8628         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8629         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8630         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8631
8632 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8633
8634         PR target/89071
8635         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8636         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8637         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8638         (*rcpsf2_sse): Ditto.
8639         (*rsqrtsf2_sse): Ditto.
8640         (sse4_1_round<mode<2): Ditto.
8641
8642 2019-02-03  Richard Biener  <rguenther@suse.de>
8643
8644         PR debug/87295
8645         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8646         orig.
8647
8648 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8649
8650         PR middle-end/87887
8651         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8652         Punt with warning on aggregate return or argument types.  Ignore
8653         type/mode checking for uniform arguments.
8654
8655 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8656
8657         * combine.c (try_combine): Do not print "Can't combine" messages unless
8658         printing failed combination attempts.
8659
8660 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8661
8662         PR hsa/87863
8663         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8664         segment and global segment variables before making them static.
8665
8666 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8667
8668         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8669         missed optimization dump with dump_enabled_p.
8670
8671 2019-02-01  Richard Biener  <rguenther@suse.de>
8672
8673         PR middle-end/88597
8674         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8675         the instantiate cache.
8676         (instantiate_scev_binary): Elide second operand procesing
8677         if equal to the first.
8678         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8679         (chrec_contains_undetermined): Likewise.
8680         (tree_contains_chrecs): Likewise.
8681
8682 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8683
8684         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8685
8686 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8687
8688         PR tree-optimization/89143
8689         * wide-int-range.h (wide_int_range_absu): Declare.
8690         * wide-int-range.cc (wide_int_range_absu): New function.
8691         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8692
8693         PR tree-optimization/88107
8694         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8695         instead of assertion that eh_region_outermost is non-NULL, if it
8696         is NULL, set *ALL to true and return NULL.
8697         (move_sese_region_to_fn): Adjust caller, if all is set, call
8698         duplicate_eh_regions with NULL region.
8699
8700 2019-02-01  Richard Biener  <rguenth@suse.de>
8701
8702         PR rtl-optimization/88593
8703         * mode-switching.c (optimize_mode_switching): Free dominators before
8704         calling cleanup_cfg.
8705
8706 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8707
8708         PR tree-optimization/88932
8709         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8710
8711 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8712
8713         PR middle-end/89137
8714         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8715         bogus clang warning.
8716
8717 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8718
8719         PR target/89071
8720         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8721         alternative to avoid partial SSE register stall for TARGET_AVX.
8722         (truncdfsf2): Ditto.
8723         (sse4_1_round<mode>2): Ditto.
8724
8725 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8726
8727         PR tree-optimization/89008
8728         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8729         process anything of the form X * 0.
8730
8731 2019-01-31  Richard Biener  <rguenther@suse.de>
8732
8733         PR tree-optimization/89135
8734         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8735         with abnormal preds.
8736
8737 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8738
8739         PR sanitizer/89124
8740         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8741         always_inline callees into no_sanitize_address callers.
8742
8743 2019-01-31  Richard Biener  <rguenther@suse.de>
8744
8745         PR rtl-optimization/89115
8746         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8747
8748 2019-01-30  Martin Sebor  <msebor@redhat.com>
8749
8750         PR other/89106
8751         * doc/extend.texi (cast to a union): Correct and expand.
8752
8753 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8754
8755         PR rtl-optimization/87246
8756         * lra-constraints.c (simplify_operand_subreg): Reload memory
8757         in subreg if the address became invalid.
8758
8759 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8760
8761         PR target/87064
8762         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8763         Disable for little-endian.
8764
8765 2019-01-30  Richard Biener  <rguenther@suse.de>
8766
8767         PR rtl-optimization/89115
8768         * opts.c (default_options_optimization): Reduce
8769         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8770         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8771         to the default.
8772
8773 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8774
8775         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8776         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8777         type of vector element when vec_extract is implemented by direct
8778         move.
8779
8780 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8781
8782         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8783
8784 2019-01-30  Richard Biener  <rguenther@suse.de>
8785
8786         PR tree-optimization/89111
8787         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8788         canonicalization to appropriately sized access types.
8789
8790 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8791
8792         PR c++/89105
8793         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8794         for arguments to functions that are TU-local and shouldn't be
8795         referenced by assembly.
8796
8797 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8798
8799         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8800         after '='.
8801
8802 2019-01-29  Martin Sebor  <msebor@redhat.com>
8803
8804         PR c/88956
8805         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8806
8807 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8808
8809         PR c++/66676
8810         PR ipa/89104
8811         * omp-simd-clone.c (simd_clone_clauses_extract)
8812         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8813         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8814
8815 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8816
8817         * config.gcc: Force .init_array for ARC.
8818
8819 2019-01-29  Richard Biener  <rguenther@suse.de>
8820
8821         PR debug/87295
8822         * dwarf2out.c (collect_skeleton_dies): New helper.
8823         (copy_decls_for_unworthy_types): Call it.
8824         (build_abbrev_table): Assert we do not try to replace
8825         DW_AT_signature refs with local refs.
8826
8827 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8828
8829         PR middle-end/89002
8830         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8831         for lastprivate/linear IV, push gimplify context around gimplify_assign
8832         and, if it needed any temporaries, pop it into a gimple bind around the
8833         sequence.
8834
8835 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8836
8837         * common.opt (-Wattribute-alias): Remove "no-" from name.
8838         Make -Wattribute-alias command line option and
8839         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8840
8841 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8842
8843         PR target/89073
8844         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8845         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8846         x86 ISA options.
8847         (bmi2): Add missing @opindex.
8848         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8849         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8850         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8851         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8852         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8853         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8854         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8855         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8856         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8857         xsavec, xsaveopt and xsaves options.
8858
8859 2019-01-28  Richard Biener  <rguenther@suse.de>
8860
8861         PR debug/89076
8862         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8863         support removal.
8864
8865 2019-01-28  Richard Biener  <rguenther@suse.de>
8866
8867         PR tree-optimization/88739
8868         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8869         BIT_FIELD_REFs only are applied to mode-precision operands
8870         when they are integral.
8871         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8872         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8873         BIT_FIELD_REFs of non-mode-precision integral operands.
8874
8875 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8876
8877         PR target/87214
8878         * config/i386/sse.md
8879         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8880         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8881         first constants in pairs are multiples of 2.  Formatting fixes.
8882         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8883         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8884         first constants in each quadruple are multiples of 4.  Formatting fixes.
8885
8886 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8887
8888         PR ipa/88933
8889         * tree-inline.c: Include tree-cfgcleanup.h.
8890         (delete_unreachable_blocks_update_callgraph): Move...
8891         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8892         ...here, make externally visible, make second argument bool, adjust
8893         all callers.
8894         * tree-cfgcleanup.c: Include cgraph.h.
8895         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8896         Declare.
8897         * ipa-prop.c: Include tree-cfgcleanup.h.
8898         (ipcp_transform_function): Call
8899         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8900
8901 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8902
8903         PR rtl-optimization/88846
8904         * ira.c (process_set_for_memref_referenced_p): New.
8905         (memref_referenced_p): Add new param.  Use
8906         process_set_for_memref_referenced_p.  Add new switch cases.
8907         (memref_used_between_p): Pass new arg to memref_referenced_p.
8908
8909 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8910
8911         PR target/88469
8912         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8913         argument ABI_BREAK.  Set to true if the calculated alignment has
8914         changed in gcc-9.  Check bit-fields for their base type alignment.
8915         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8916         (aarch64_function_arg_boundary): Likewise.
8917         (aarch64_gimplify_va_arg_expr): Likewise.
8918
8919 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8920
8921         PR middle-end/89037
8922         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8923         instead of accessing TREE_INT_CST_ELT directly.
8924
8925 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8926
8927         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8928         fenv_exceptions description.
8929
8930 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8931
8932         PR rtl-optimization/87763
8933         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8934         Allow SUBREG when matching CC_NZmode compare.
8935
8936 2019-01-25  Richard Biener  <rguenther@suse.de>
8937
8938         PR tree-optimization/89049
8939         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8940         Look at the pattern stmt to determine if the stmt is vectorized.
8941
8942 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8943
8944         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8945         (pred_mov<mode>): Handle all-register forms using both a new
8946         alternative and a split.
8947
8948 2019-01-25  Richard Biener  <rguenther@suse.de>
8949
8950         PR tree-optimization/86865
8951         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8952         Reject non-do-while loops.
8953
8954 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8955
8956         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8957         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8958         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8959         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8960         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8961         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8962         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8963         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8964         vlogical_operand, gpc_reg_operand, int_reg_operand,
8965         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8966         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8967         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8968         (save_world_operation, restore_world_operation, lmw_operation,
8969         stmw_operation): Use MEM_P and REG_P.
8970         (tie_operand): Use MEM_P.
8971         (vrsave_operation, crsave_operation): Use REG_P.
8972         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8973         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8974         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8975         (call_operand): Use HARD_REGISTER_P.
8976         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8977         Use CONST_INT_P.
8978         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8979         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8980         quad_aligned_load_p, replace_swapped_aligned_store,
8981         recombine_lvx_pattern, replace_swapped_aligned_load,
8982         recombine_stvx_pattern): Use MEM_P.
8983         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8984         Use MEM_P and SYMBOL_REF_P.
8985         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8986         (insn_is_swappable_p): Use REG_P and MEM_P.
8987         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8988         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8989         Use CONST_INT_P.
8990         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8991         Use CONST_DOUBLE_P.
8992         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8993         CONST_WIDE_INT_P.
8994         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8995         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8996         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8997         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8998         reg_or_subregno:
8999         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9000         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9001         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9002         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9003         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9004         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9005         rs6000_split_logical_di): Use CONST_INT_P.
9006         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9007         REG_P and SYMBOL_REF_P.
9008         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9009         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9010         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9011         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9012         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9013         (small_data_operand, print_operand_address): Use CONST_INT_P and
9014         SYMBOL_REF_P.
9015         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9016         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9017         Use HARD_REGISTER_NUM_P.
9018         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9019         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9020         SUBREG_P and SYMBOL_REF_P.
9021         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9022         and HARD_REGISTER_NUM_P.
9023         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9024         reg_or_subregno.
9025         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9026         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9027         MEM_P and REG_P.
9028         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9029         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9030         find_addr_reg): Use REG_P.
9031         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9032         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9033         (offsettable_ok_by_alignment, constant_pool_expr_p,
9034         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9035         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9036         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9037         rs6000_assemble_integer, create_TOC_reference,
9038         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9039         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9040         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9041         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9042         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9043         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9044         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9045         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9046         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9047         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9048         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9049         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9050         and cbranch<mode>4): Use CONST_INT_P.
9051         (multiple define_splits): Use REG_P and SUBREG_P.
9052         (define_expands call, call_value): Use MEM_P.
9053         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9054         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9055         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9056         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9057         and HARD_REGISTER_NUM_P.
9058         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9059
9060 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9061
9062         PR rtl-optimization/88948
9063         * rtl.h (prepare_copy_insn): New prototype.
9064         * gcse.c (prepare_copy_insn): New function, split out from
9065         process_insert_insn.
9066         (process_insert_insn): Use prepare_copy_insn.
9067         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9068         instead of gen_move_insn.
9069
9070 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9071
9072         PR debug/89006
9073         * config/i386/i386.c (ix86_pic_register_p): Return true for
9074         UNSPEC_SET_GOT too.
9075
9076         PR tree-optimization/88964
9077         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9078         punt if HONOR_SNANS (chrec).
9079
9080         PR middle-end/89015
9081         * tree-nested.c (convert_nonlocal_reference_stmt,
9082         convert_local_reference_stmt, convert_tramp_reference_stmt,
9083         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9084         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9085         or GIMPLE_OMP_TASK.
9086
9087         PR tree-optimization/89027
9088         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9089         for "omp simd array" variables.
9090
9091 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9092
9093         PR target/88469
9094         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9095         force the alignment of m_val.
9096
9097 2019-01-24  Richard Biener  <rguenther@suse.de>
9098
9099         PR lto/87187
9100         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9101         When in "legacy" debug mode make sure to reset self-origins.
9102
9103 2019-01-24  Martin Liska  <mliska@suse.cz>
9104
9105         PR gcov-profile/88994
9106         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9107         result will be always smaller or equal to the original.
9108         * gcov.c (mangle_name): Fix else branch where we should
9109         also copy to PTR and shift the pointer.
9110
9111 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9112
9113         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9114         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9115
9116 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9117
9118         * common/config/i386/i386-common.c
9119         (OPTION_MASK_ISA_ENQCMD_SET,
9120         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9121         (ix86_handle_option): Handle -menqcmd.
9122         * config.gcc (enqcmdintrin.h): New header file.
9123         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9124         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9125         -menqcmd.
9126         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9127         function type.
9128         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9129         __builtin_ia32_enqcmds): New builtins.
9130         * config/i386/i386-c.c (__ENQCMD__): New macro.
9131         * config/i386/i386-option.c (ix86_target_string): Add
9132         -menqcmd.
9133         (ix86_valid_target_attribute_inner_p): Likewise.
9134         * config/i386/i386-expand.c
9135         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9136         IX86_BUILTIN_ENQCMDS.
9137         * config/i386/i386.h (TARGET_ENQCMD): New.
9138         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9139         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9140         (movdir64b_<mode>): Parameterize to enable share expansion code
9141         with ENQCMD in function ix86_expand_builtin.
9142         * config/i386/i386.opt: Add -menqcmd.
9143         * config/i386/immintrin.h: Include enqcmdintrin.h.
9144         * config/i386/enqcmdintrin.h: New intrinsic file.
9145         * doc/invoke.texi: Add -menqcmd.
9146
9147 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9148             Steve Ellcey <sellcey@marvell.com>
9149
9150         PR target/85711
9151         * recog.c (address_operand): Return false on wrong mode for address.
9152         (constrain_operands): Check for mode with 'p' constraint.
9153
9154 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9155
9156         PR target/88998
9157         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9158         Disparage MMX alternative.
9159         (sse2_cvtpd2pi): Ditto.
9160         (sse2_cvttpd2pi): Ditto.
9161
9162 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9163
9164         PR driver/89014
9165         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9166         use-after-free of the result of
9167         aarch64_get_extension_string_for_isa_flags.
9168
9169 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9170
9171         PR c/44715
9172         * doc/extend.texi: Document break and continue behavior in
9173         statement expressions.
9174
9175 2019-01-23  Richard Biener  <rguenther@suse.de>
9176
9177         PR tree-optimization/89008
9178         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9179         not leave another stray operand.
9180
9181 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9182
9183         * BASE-VER: Bump to 9.0.1.
9184
9185 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9186
9187         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9188         thunk that returns by reference, use the type of the return object
9189         of the thunk instead of that of the alias to build the dereference.
9190
9191 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9192
9193         * config/arc/atomic.md: Add operand to DMB instruction.
9194
9195 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9196
9197         PR tree-optimization/88964
9198         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9199         build_zero_cst instead of build_int_cst.  Return false for loop
9200         invariants which honor signed zeros.
9201
9202 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9203
9204         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9205
9206 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9207
9208         PR target/88965
9209         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9210         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9211         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9212
9213         PR middle-end/88968
9214         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9215         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9216
9217         PR target/87064
9218         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9219         Disable for little endian.
9220
9221 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9222
9223         PR target/88469
9224         * config/arm/arm.c (arm_needs_double_word_align): Check
9225         DECL_BIT_FIELD_TYPE.
9226
9227 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9228             H.J. Lu  <hongjiu.lu@intel.com>
9229
9230         PR target/88909
9231         * config/i386/i386-builtin.def: Add mask2 to all builtin
9232         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9233         SPECIAL_ARGS.
9234         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9235         (BDESC_FIRST): Likewise.
9236         (define_builtin): Add an argument for mask2.  Updated to handle
9237         both ix86_isa_flags and ix86_isa_flags2.
9238         (define_builtin_const): Likewise.
9239         (define_builtin_pure): Likewise.
9240         (define_builtin2): Deleted.
9241         (define_builtin_const2): Likewise.
9242         (builtin_description): Add a member, mask2.
9243         (bdesc_*): Add mask2 to builtin initializations.
9244         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9245         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9246         support.
9247         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9248
9249 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9250
9251         PR target/88954
9252         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9253         noplt attribute.
9254
9255 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9256
9257         PR target/88469
9258         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9259         alignment is dominated by a bitfield with 64-bit aligned base type.
9260         (arm_function_arg): Emit a warning if the alignment has changed since
9261         earlier GCC releases.
9262         (arm_function_arg_boundary): Likewise.
9263         (arm_setup_incoming_varargs): Likewise.
9264
9265 2019-01-22  Richard Biener  <rguenther@suse.de>
9266
9267         PR tree-optimization/88862
9268         * graphite-scop-detection.c
9269         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9270
9271 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9272
9273         * doc/extend.tex (AMD GCN Function Attributes): New section.
9274         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9275         * doc/invoke.texi (AMD GCN Options): New section.
9276         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9277
9278 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9279
9280         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9281         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9282
9283 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9284
9285         PR tree-optimization/88044
9286         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9287         is false in the first iteration, but !every_iteration, return false
9288         instead of true with niter->niter zero.
9289
9290         PR rtl-optimization/88904
9291         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9292         any nonequal registers before processing BB_END (b).
9293
9294         PR target/88905
9295         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9296         GET_MODE (op0).
9297         (expand_binop_directly, expand_doubleword_clz,
9298         expand_doubleword_popcount, expand_ctz, expand_ffs,
9299         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9300
9301         PR rtl-optimization/49429
9302         PR target/49454
9303         PR rtl-optimization/86334
9304         PR target/88906
9305         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9306         addressable from here...
9307         (emit_block_op_via_libcall): ... to here.
9308
9309 2019-01-22  Richard Biener  <rguenther@suse.de>
9310
9311         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9312         auto_vec for cost vector to fix memleak.
9313         (vectorize_fold_left_reduction): Properly gather SLP defs.
9314         (vectorizable_comparison): Do not swap operands to properly
9315         gather SLP defs.
9316
9317 2019-01-22  Alan Modra  <amodra@gmail.com>
9318
9319         PR target/88614
9320         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9321         stays a reg.  Allow a const_int.
9322         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9323         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9324         (IS_NOMARK_TLSGETADDR): Define.
9325         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9326         (rs6000_output_tlsargs): New function.
9327         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9328         __tls_get_addr call takes an arg.
9329         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9330         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9331         delete split..
9332         (call_value_nonlocal_sysv): ..or here, delete split.
9333         (tls_gdld_nomark): Delete.
9334         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9335         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9336         (call_value_nonlocal_sysv): Likewise.
9337         (call_value_nonlocal_sysv_secure): Likewise.
9338         (call_value_nonlocal_aix): Likewise.
9339         (call_value_indirect_aix): Likewise.
9340         (call_value_indirect_elfv2): Likewise.
9341         (call_value_local32, call_value_local64): Disable for no-mark tls.
9342         (call_value_local_aix): Likewise.
9343
9344 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9345
9346         PR target/88938
9347         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9348         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9349
9350 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9351
9352         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9353         string contents as hash_map keys.
9354
9355 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9356
9357         PR c/88928
9358         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9359         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9360         instead of TYPE_ALIGN.
9361         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9362         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9363         pointer from TYPE_STUB_DECL.
9364
9365 2019-01-21  Richard Biener  <rguenther@suse.de>
9366
9367         PR tree-optimization/88934
9368         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9369         at the possibly non-constant operand.
9370         (vect_get_constant_vectors): Adjust.
9371
9372 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9373
9374         PR target/71659
9375         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9376         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9377         instead of _X86INTRIN_H_INCLUDED.
9378         * onfig/i386/clwbintrin.h: Likewise.
9379         * config/i386/pkuintrin.h: Likewise.
9380         * config/i386/prfchwintrin.h: Likewise.
9381         * config/i386/rdseedintrin.h: Likewise.
9382         * config/i386/wbnoinvdintrin.h: Likewise.
9383         * config/i386/xsavecintrin.h: Likewise.
9384         * config/i386/xsavesintrin.h: Likewise.
9385         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9386         * config/i386/xsaveintrin.h: Likewise.
9387         * config/i386/xsaveoptintrin.h: Likewise.
9388         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9389         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9390         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9391         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9392         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9393         * config/i386/immintrin.h: Here.
9394
9395 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9396
9397         PR ipa/87615
9398         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9399         with aa_walk_budget.
9400         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9401         aa_walk_budget_p parameter.
9402         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9403         walk.  Updated all callers.
9404         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9405         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9406         unmodified_parm.
9407         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9408         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9409         and to unmodified_parm.
9410         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9411         info, updated call to will_be_nonconstant_expr_predicate.
9412         (param_change_prob): New parameter fbi, limit AA walking.
9413         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9414         calls to various above functions.
9415         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9416         parameter.  Use it to limit AA walking.
9417         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9418         fbi, limit AA walk.
9419         (detect_type_change): New parameter fbi, pass it on to
9420         detect_type_change_from_memory_writes.
9421         (detect_type_change_ssa): Likewise.
9422         (aa_overwalked): Removed.
9423         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9424         accordingly, adjust to the neew AA limiting scheme.
9425         (parm_ref_data_preserved_p): Likewise.
9426         (ipa_compute_jump_functions_for_edge): Adjust call to
9427         get_dynamic_type.
9428         (ipa_analyze_call_uses): Likewise.
9429         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9430         (ipa_analyze_node): Initialize aa_walk_budget.
9431         (ipcp_transform_function): Likewise.
9432         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9433         to get_dynamic_type.
9434
9435 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9436
9437         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9438         outside of #if CHECKING_P code.
9439
9440 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9441
9442         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9443         New function, split out from...
9444         (loop_versioning::analyze_stride): ...here.
9445         (loop_versioning::find_per_loop_multiplication): Use gassign.
9446         (loop_versioning::analyze_term_using_scevs): Return a success code.
9447         (loop_versioning::analyze_arbitrary_term): New function.
9448         (loop_versioning::analyze_address_fragment): Use
9449         analyze_arbitrary_term if all else fails.
9450
9451 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9452
9453         PR target/88892
9454         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9455         operands.
9456
9457 2019-01-18  Richard Biener  <rguenther@suse.de>
9458
9459         PR tree-optimization/88903
9460         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9461         scalar stmts a SLP shift amount is composed of when detecting
9462         shifts by scalars.
9463
9464 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9465
9466         PR target/88799
9467         * config/arm/arm-cpus.in (mp): New feature.
9468         (sec): New feature.
9469         (fgroup ARMv7ve): Add mp and sec features.
9470         (arch armv7-a): Add options to allow mp and sec extensions.
9471         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9472         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9473         extenstions to the base architecture.
9474         (cpu cortex-a8): Add sec extension to the base architecture.
9475         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9476         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9477         variants down to the base v7-a varaint.
9478         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9479         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9480         of permitted extensions for -march=armv7-a and for
9481         -mcpu=generic-armv7-a.
9482
9483 2019-01-18  Martin Liska  <mliska@suse.cz>
9484
9485         * params.def: Fix comment.
9486         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9487         name.
9488         (gimple_gen_ic_func_profiler): Likewise.
9489
9490 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9491
9492         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9493         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9494         and put in error checks for stack protector guard options.
9495         (aarch64_stack_protect_guard): New.
9496         (TARGET_STACK_PROTECT_GUARD): Define.
9497         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9498         (reg_stack_protect_address<mode>): New.
9499         (stack_protect_set): Adjust for SSP_GLOBAL.
9500         (stack_protect_test): Likewise.
9501         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9502         (-mstack-protector-guard): Likewise.
9503         (-mstack-protector-guard-offset): Likewise.
9504
9505 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9506
9507         PR tree-optimization/86214
9508         * tree-inline.h (struct copy_body_data): Add
9509         add_clobbers_to_eh_landing_pads member.
9510         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9511         (copy_edges_for_bb): Call it if EH edge destination is <
9512         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9513         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9514         if flag_stack_reuse != SR_NONE and clear it afterwards.
9515
9516 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9517
9518         PR target/85596
9519         * doc/install.texi (with-multilib-list): Document for aarch64.
9520
9521 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9522
9523         PR target/88734
9524         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9525         (("..."))) with ("...").
9526
9527 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9528
9529         * doc/extend.texi (Built-in Functions for Memory Model Aware
9530         Atomic Operations): Document atomic fetch and nand.
9531
9532 2019-01-18  Martin Liska  <mliska@suse.cz>
9533             Richard Biener  <rguenther@suse.de>
9534
9535         PR middle-end/88587
9536         * cgraph.h (create_version_clone_with_body): Add new argument
9537         with attributes.
9538         * cgraphclones.c (cgraph_node::create_version_clone): Add
9539         DECL_ATTRIBUTES to a newly created decl.  And call
9540         valid_attribute_p so that proper cl_target_optimization_node
9541         is set for the newly created declaration.
9542         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9543         for declaration.
9544         (expand_target_clones): Do not call valid_attribute_p, it must
9545         be already done.
9546         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9547         vector types.
9548
9549 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9550
9551         PR target/88734
9552         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9553         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9554         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9555
9556 2019-01-17  Martin Sebor  <msebor@redhat.com>
9557
9558         PR middle-end/88273
9559         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9560         Handle anti-ranges the same as no range at all.
9561
9562 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9563
9564         * config/aarch64/aarch64.c (cgraph.h): New include.
9565         (intl.h): New include.
9566         (supported_simd_type): New function.
9567         (currently_supported_simd_type): Ditto.
9568         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9569         (aarch64_simd_clone_adjust): Ditto.
9570         (aarch64_simd_clone_usable): Ditto.
9571         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9572         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9573         (TARGET_SIMD_CLONE_USABLE): Ditto.
9574         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9575         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9576         call.
9577
9578 2019-01-17  Martin Sebor  <msebor@redhat.com>
9579
9580         PR tree-optimization/88800
9581         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9582         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9583         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9584         redundant argument.  Add new argument and issue diagnostics under
9585         its control.  Detect out-of-bounds access even with warnings
9586         disabled.
9587         (check_bounds_or_overlap): Change return type.  Add argument.
9588         (wrestrict_dom_walker::check_call): Adjust.
9589         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9590         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9591         check_bounds_or_overlap's return value.
9592         (handle_builtin_stxncpy): Same.
9593         (handle_builtin_strcat): Same.
9594
9595 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9596             Kwok Cheung Yeung  <kcy@codesourcery.com>
9597             Julian Brown  <julian@codesourcery.com>
9598             Tom de Vries  <tom@codesourcery.com>
9599
9600         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9601
9602 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9603
9604         * doc/sourcebuild.texi: Document dg-require-effective-target
9605         llvm_binutils and offload_gcn.
9606
9607 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9608             Kwok Cheung Yeung  <kcy@codesourcery.com>
9609             Julian Brown  <julian@codesourcery.com>
9610             Tom de Vries  <tom@codesourcery.com>
9611
9612         * doc/sourcebuild.texi: Document dg-required-effective-target
9613         exceptions.
9614
9615 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9616             Kwok Cheung Yeung  <kcy@codesourcery.com>
9617             Julian Brown  <julian@codesourcery.com>
9618             Tom de Vries  <tom@codesourcery.com>
9619             Jan Hubicka  <hubicka@ucw.cz>
9620             Martin Jambor  <mjambor@suse.cz>
9621
9622         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9623         * configure.ac: Check for dlopen.
9624         * configure: Regenerate.
9625
9626 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9627             Kwok Cheung Yeung  <kcy@codesourcery.com>
9628             Julian Brown  <julian@codesourcery.com>
9629             Tom de Vries  <tom@codesourcery.com>
9630             Jan Hubicka  <hubicka@ucw.cz>
9631             Martin Jambor  <mjambor@suse.cz>
9632
9633         * common/config/gcn/gcn-common.c: New file.
9634         * config/gcn/driver-gcn.c: New file.
9635         * config/gcn/gcn-builtins.def: New file.
9636         * config/gcn/gcn-hsa.h: New file.
9637         * config/gcn/gcn-modes.def: New file.
9638         * config/gcn/gcn-opts.h: New file.
9639         * config/gcn/gcn-passes.def: New file.
9640         * config/gcn/gcn-protos.h: New file.
9641         * config/gcn/gcn-run.c: New file.
9642         * config/gcn/gcn-tree.c: New file.
9643         * config/gcn/gcn.c: New file.
9644         * config/gcn/gcn.h: New file.
9645         * config/gcn/gcn.opt: New file.
9646         * config/gcn/t-gcn-hsa: New file.
9647
9648 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9649             Kwok Cheung Yeung  <kcy@codesourcery.com>
9650             Julian Brown  <julian@codesourcery.com>
9651             Tom de Vries  <tom@codesourcery.com>
9652             Jan Hubicka  <hubicka@ucw.cz>
9653             Martin Jambor  <mjambor@suse.cz>
9654
9655         * config/gcn/constraints.md: New file.
9656         * config/gcn/gcn-valu.md: New file.
9657         * config/gcn/gcn.md: New file.
9658         * config/gcn/predicates.md: New file.
9659
9660 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9661
9662         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9663         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9664         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9665         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9666
9667 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9668
9669         PR target/88851
9670         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9671         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9672         it and document registers.
9673
9674 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9675
9676         * config/aarch64/aarch64.c (ares_tunings): Define.
9677         * config/aarch64/aarch64-cores.def (ares): Use the above.
9678
9679 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9680
9681         PR target/88794
9682         Revert:
9683         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9684
9685         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9686         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9687         (_mm512_maskz_fixupimm_round_pd): Ditto.
9688         (_mm512_fixupimm_round_ps): Ditto.
9689         (_mm512_maskz_fixupimm_round_ps): Ditto.
9690         (_mm_fixupimm_round_sd): Ditto.
9691         (_mm_maskz_fixupimm_round_sd): Ditto.
9692         (_mm_fixupimm_round_ss): Ditto.
9693         (_mm_maskz_fixupimm_round_ss): Ditto.
9694         (_mm512_fixupimm_pd): Ditto.
9695         (_mm512_maskz_fixupimm_pd): Ditto.
9696         (_mm512_fixupimm_ps): Ditto.
9697         (_mm512_maskz_fixupimm_ps): Ditto.
9698         (_mm_fixupimm_sd): Ditto.
9699         (_mm_maskz_fixupimm_sd): Ditto.
9700         (_mm_fixupimm_ss): Ditto.
9701         (_mm_maskz_fixupimm_ss): Ditto.
9702         (_mm512_mask_fixupimm_round_pd): Update builtin.
9703         (_mm512_mask_fixupimm_round_ps): Ditto.
9704         (_mm_mask_fixupimm_round_sd): Ditto.
9705         (_mm_mask_fixupimm_round_ss): Ditto.
9706         (_mm512_mask_fixupimm_pd): Ditto.
9707         (_mm512_mask_fixupimm_ps): Ditto.
9708         (_mm_mask_fixupimm_sd): Ditto.
9709         (_mm_mask_fixupimm_ss): Ditto.
9710         * config/i386/avx512vlintrin.h:
9711         (_mm256_fixupimm_pd): Update parameters and builtin.
9712         (_mm256_maskz_fixupimm_pd): Ditto.
9713         (_mm256_fixupimm_ps): Ditto.
9714         (_mm256_maskz_fixupimm_ps): Ditto.
9715         (_mm_fixupimm_pd): Ditto.
9716         (_mm_maskz_fixupimm_pd): Ditto.
9717         (_mm_fixupimm_ps): Ditto.
9718         (_mm_maskz_fixupimm_ps): Ditto.
9719         (_mm256_mask_fixupimm_pd): Update builtin.
9720         (_mm256_mask_fixupimm_ps): Ditto.
9721         (_mm_mask_fixupimm_pd): Ditto.
9722         (_mm_mask_fixupimm_ps): Ditto.
9723         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9724         * config/i386/i386-builtin.def: Update builtin definitions.
9725         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9726         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9727         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9728         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9729         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9730         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9731         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9732         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9733         * config/i386/subst.md:
9734         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9735         (round_saeonly_sd_mask_op4): Ditto.
9736         (round_saeonly_expand_operand5): Ditto.
9737         (round_saeonly_expand): Update.
9738
9739 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9740
9741         PR target/88794
9742         Revert:
9743         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9744
9745         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9746         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9747         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9748         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9749         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9750         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9751         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9752
9753 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9754
9755         PR target/88794
9756         Revert:
9757         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9758
9759         PR target/88489
9760         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9761         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9762         instead of UNSPEC_FIXUPIMM.
9763
9764 2019-01-17  Richard Biener  <rguenther@suse.de>
9765
9766         PR lto/86736
9767         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9768         and friends for the LTO part of debug info.
9769
9770 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9771
9772         PR tree-optimization/86214
9773         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9774         if x == y.
9775
9776         PR rtl-optimization/88870
9777         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9778         throw if we can't alter the cfg or delete dead exceptions.
9779         (mark_insn): Don't call find_call_stack_args for such calls.
9780
9781 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9782
9783         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9784         prototypes for vec_st.
9785         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9786         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9787         mainly on signed/unsigned long long and double.
9788
9789 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9790
9791         PR target/88861
9792         * combine.c (delete_noop_moves): Convert to "bool" return,
9793         returning true if any edges are eliminated.
9794         (combine_instructions): Also return true if delete_noop_moves
9795         returns true.
9796
9797 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9798
9799         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9800         correct max nunits for endian swap.
9801         (aarch64_expand_fcmla_builtin): Correct subreg code.
9802         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9803         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9804         lane endianness.
9805
9806 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9807
9808         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9809         Handle split indirect COMPLEX_TYPE arguments.
9810
9811 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9812
9813         PR target/86891
9814         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9815         bit is set by add and compare.
9816         (CC_ADC): New CC_MODE.
9817         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9818         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9819         comparison.  Add detection for CC_ADCmode.
9820         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9821         CC_ADCmode.
9822         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9823         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9824         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9825         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9826         to eliminate the need for zero-extending the operands.
9827         (add<mode>3_compareC_imm): Delete.  Merge into ...
9828         (add<mode>3_compareC): ... this.  Restructure the comparison to
9829         eliminate the need for zero-extending the operands.
9830         (add<mode>3_carryin): Use LTU for the overflow detection.
9831         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9832         Reexpress comparison for overflow.
9833         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9834         (add<mode>3_carryinC): Likewise.
9835         (add<mode>3_carryinV): Use LTU for carry between partials.
9836         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9837         handling of CC_Cmode and add CC_ADCmode.
9838         (aarch64_borrow_operation): Likewise.
9839
9840 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9841
9842         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9843         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9844         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9845         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9846
9847 2019-01-16  Martin Liska  <mliska@suse.cz>
9848
9849         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9850         for GCC driver.
9851         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9852         a new argument.
9853         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9854         (path_prefix_reset): Move up in the source file.
9855         (find_fortran_preinclude_file): Make complex search for the
9856         fortran header files.
9857
9858 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9859
9860         * godump.c (go_output_typedef): When outputting a typedef, refer
9861         to the underlying type by its name and not its structure.
9862
9863 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9864
9865         PR c++/88795
9866         * tree.c (build_function_type): Assert that arg_types is not
9867         error_mark_node.
9868
9869 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9870
9871         PR inline-asm/52813
9872         * doc/extend.texi: Document that listing the stack pointer in the
9873         clobber list of an asm is a deprecated feature.
9874         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9875         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9876         warning instead of an error for clobbers of the stack pointer.
9877         Add a note explaining why.
9878
9879 2019-01-15  Richard Biener  <rguenther@suse.de>
9880
9881         PR debug/88046
9882         * dwarf2out.c (gen_member_die): Do not generate inheritance
9883         DIEs late.
9884
9885 2019-01-15  Richard Biener  <rguenther@suse.de>
9886
9887         PR tree-optimization/88855
9888         * tree-if-conv.c (combine_blocks): Collect
9889         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9890
9891 2019-01-15  Tom de Vries  <tdevries@suse.de>
9892
9893         PR target/80547
9894         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9895         lhs == NULL_TREE for gang-level reduction.
9896
9897 2019-01-15  Richard Biener  <rguenther@suse.de>
9898             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9899
9900         PR ipa/88788
9901         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9902         return true if SSA_NAME is already marked in visited bitmap.
9903         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9904
9905 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9906
9907         PR tree-optimization/88775
9908         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9909         equal == 0 equality pointer comparisons some more if compared in
9910         integral types and either one points to an automatic var and the
9911         other to a global, or we can prove at least one points to the middle
9912         or both point to start or both point to end.
9913
9914 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9915
9916         * Makefile.in: Lower autofdo sampling rate by 10x.
9917         * Makefile.tpl: Dito.
9918
9919 2019-01-14  Tom Honermann  <tom@honermann.net>
9920
9921         * defaults.h: Define CHAR8_TYPE.
9922
9923 2019-01-14  Martin Sebor  <msebor@redhat.com>
9924
9925         PR target/88638
9926         * doc/extend.texi (Darwin Format Checks): Clarify.
9927
9928 2019-01-14  Richard Biener  <rguenther@suse.de>
9929
9930         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9931         whether we are in (simplify ...) or (match ...) context.
9932
9933 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9934
9935         PR rtl-optimization/88796
9936         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9937         * cfgexpand.c (stack_protect_prologue): Initialize
9938         crtl->stack_protect_guard_decl.
9939         * function.c (stack_protect_epilogue): Use it instead of calling
9940         targetm.stack_protect_guard again.
9941         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9942         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9943         crtl->stack_protect_guard_decl.
9944         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9945         on the returned MEM_EXPR.
9946
9947 2019-01-12  Tom de Vries  <tdevries@suse.de>
9948
9949         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9950         vector length using -fopenacc-dim.
9951
9952 2019-01-12  Tom de Vries  <tdevries@suse.de>
9953
9954         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9955         lengths into account.
9956
9957 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9958
9959         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9960         (TARGET_CAN_SPLIT_STACK): Define.
9961         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9962
9963 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9964
9965         * params.def (inline-unit-growth): Set to 40.
9966
9967 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9968
9969         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9970
9971 2019-01-12  Tom de Vries  <tdevries@suse.de>
9972
9973         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9974         region calling vector-partitionable routine, set default_vector_length
9975         to WARP_SIZE.
9976
9977 2019-01-12  Tom de Vries  <tdevries@suse.de>
9978
9979         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9980         variable default_vector_length.
9981
9982 2019-01-12  Tom de Vries  <tdevries@suse.de>
9983
9984         PR middle-end/88703
9985         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9986         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9987         dimensions limits.
9988
9989 2019-01-12  Tom de Vries  <tdevries@suse.de>
9990
9991         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9992         (nvptx_goacc_validate_dims): Add used parameter.
9993         * doc/tm.texi: Regenerate.
9994         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9995         argument to call to targetm.goacc.validate_dims.
9996         (default_goacc_validate_dims): Add used
9997         parameter.
9998         * target.def (validate_dims): Add used parameter in DEFHOOK.
9999         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10000
10001 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10002
10003         PR middle-end/85956
10004         PR lto/88733
10005         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10006         field.
10007         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10008         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10009         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10010         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10011
10012 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10013
10014         PR rtl-optimization/87305
10015         * lra-assigns.c
10016         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10017         for little endian pseudos used as paradoxical subreg.
10018
10019 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10020
10021         PR tree-optimization/88693
10022         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10023         for STRING_CSTs that don't contain any NUL characters in the first
10024         TREE_STRING_LENGTH bytes.
10025
10026 2019-01-11  Alan Modra  <amodra@gmail.com>
10027
10028         PR 88777
10029         PR 88614
10030         * genattrtab.c (min_fn): Don't translate values.
10031         (min_attr_value): Return INT_MAX when the value can't be calculated.
10032         Return minimum among any values that can be calculated.
10033         (max_attr_value): Adjust.
10034
10035 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10036
10037         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10038
10039 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10040
10041         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10042         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10043         (aarch64_return_call_with_max_clobbers): New function.
10044         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10045         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10046         argument.
10047         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10048         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10049         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10050         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10051         * cselib.c (cselib_process_insn): Add argument to
10052         targetm.hard_regno_call_part_clobbered call.
10053         * ira-conflicts.c (ira_build_conflicts): Ditto.
10054         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10055         * lra-constraints.c (inherit_reload_reg): Ditto.
10056         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10057         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10058         argument.  Call targetm.return_call_with_max_clobbers.
10059         Add argument to targetm.hard_regno_call_part_clobbered call.
10060         (calls_have_same_clobbers_p): New function.
10061         (process_bb_lives): Add call_insn and last_call_insn variables.
10062         Pass call_insn to check_pseudos_live_through_calls.
10063         Modify if stmt to check targetm.return_call_with_max_clobbers.
10064         Update setting of flush variable.
10065         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10066         to false.
10067         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10068         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10069         targetm.hard_regno_call_part_clobbered call.
10070         * reginfo.c (choose_hard_reg_mode): Ditto.
10071         * regrename.c (check_new_reg_p): Ditto.
10072         * reload.c (find_equiv_reg): Ditto.
10073         * reload1.c (emit_reload_insns): Ditto.
10074         * sched-deps.c (deps_analyze_insn): Ditto.
10075         * sel-sched.c (init_regs_for_mode): Ditto.
10076         (mark_unavailable_hard_regs): Ditto.
10077         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10078         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10079         (return_call_with_max_clobbers): New target function.
10080         * doc/tm.texi: Regenerate.
10081         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10082         * hooks.c (hook_bool_uint_mode_false): Change to
10083         hook_bool_insn_uint_mode_false.
10084         * hooks.h (hook_bool_uint_mode_false): Ditto.
10085
10086 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10087
10088         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10089         (aarch64_remove_extra_call_preserved_regs): New function.
10090         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10091         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10092         * doc/tm.texi: Regenerate.
10093         * final.c (get_call_reg_set_usage): Call new hook.
10094         * target.def (remove_extra_call_preserved_regs): New hook.
10095         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10096         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10097
10098 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10099
10100         PR bootstrap/88714
10101         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10102         inside of pass_combine_1 dump rather than pass_profile_1.
10103
10104 2019-01-11  Tom de Vries  <tdevries@suse.de>
10105
10106         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10107         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10108         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10109         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10110         num_workers 16.
10111
10112 2019-01-11  Tom de Vries  <tdevries@suse.de>
10113
10114         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10115
10116 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10117
10118         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10119         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10120         sse2_cvtsi2sd): Add {l}.
10121         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10122         syntax.
10123
10124 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10125
10126         PR target/88785
10127         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10128         define_expand.
10129         (*float<floatunssuffix>v2div2sf2): New define_insn.
10130         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10131         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10132         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10133         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10134         match_operands with "const0_operand" "C".
10135
10136 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10137
10138         * config/aarch64/aarch64-builtins.c
10139         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10140         (aarch64_init_simd_builtins): ...Here
10141
10142 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10143
10144         PR rtl-optimization/87305
10145         * lra-assigns.c
10146         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10147         allocation for big endian pseudos used as paradoxical subregs and
10148         spill them if it is wrong.
10149         * lra-constraints.c (lra_constraints): Add a comment.
10150
10151 2019-01-10  Richard Biener  <rguenther@suse.de>
10152
10153         PR tree-optimization/88792
10154         * tree-ssa-pre.c (get_representative_for): Do not return a
10155         value-number here.
10156
10157 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10158
10159         PR middle-end/84877
10160         PR bootstrap/88450
10161         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10162         (assign_parm_setup_block): Do the argument slot realignment here
10163         instead.
10164
10165 2019-01-10  Stefan Agner  <stefan@agner.ch>
10166
10167         PR target/88648
10168         * config/arm/arm.c (arm_option_override_internal): Force
10169         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10170
10171 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10172
10173         PR c/88568
10174         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10175         DECL_EXTERNAL.
10176
10177 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10178
10179         * config/arm/arm-builtins.c
10180         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10181         (MAC_LANE_PAIR_QUALIFIERS): New.
10182         (arm_expand_builtin_args): Use it.
10183         (arm_expand_builtin_1): Likewise.
10184         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10185         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10186         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10187         * config/arm/arm_neon.h:
10188         (vcadd_rot90_f16): New.
10189         (vcaddq_rot90_f16): New.
10190         (vcadd_rot270_f16): New.
10191         (vcaddq_rot270_f16): New.
10192         (vcmla_f16): New.
10193         (vcmlaq_f16): New.
10194         (vcmla_lane_f16): New.
10195         (vcmla_laneq_f16): New.
10196         (vcmlaq_lane_f16): New.
10197         (vcmlaq_laneq_f16): New.
10198         (vcmla_rot90_f16): New.
10199         (vcmlaq_rot90_f16): New.
10200         (vcmla_rot90_lane_f16): New.
10201         (vcmla_rot90_laneq_f16): New.
10202         (vcmlaq_rot90_lane_f16): New.
10203         (vcmlaq_rot90_laneq_f16): New.
10204         (vcmla_rot180_f16): New.
10205         (vcmlaq_rot180_f16): New.
10206         (vcmla_rot180_lane_f16): New.
10207         (vcmla_rot180_laneq_f16): New.
10208         (vcmlaq_rot180_lane_f16): New.
10209         (vcmlaq_rot180_laneq_f16): New.
10210         (vcmla_rot270_f16): New.
10211         (vcmlaq_rot270_f16): New.
10212         (vcmla_rot270_lane_f16): New.
10213         (vcmla_rot270_laneq_f16): New.
10214         (vcmlaq_rot270_lane_f16): New.
10215         (vcmlaq_rot270_laneq_f16): New.
10216         (vcadd_rot90_f32): New.
10217         (vcaddq_rot90_f32): New.
10218         (vcadd_rot270_f32): New.
10219         (vcaddq_rot270_f32): New.
10220         (vcmla_f32): New.
10221         (vcmlaq_f32): New.
10222         (vcmla_lane_f32): New.
10223         (vcmla_laneq_f32): New.
10224         (vcmlaq_lane_f32): New.
10225         (vcmlaq_laneq_f32): New.
10226         (vcmla_rot90_f32): New.
10227         (vcmlaq_rot90_f32): New.
10228         (vcmla_rot90_lane_f32): New.
10229         (vcmla_rot90_laneq_f32): New.
10230         (vcmlaq_rot90_lane_f32): New.
10231         (vcmlaq_rot90_laneq_f32): New.
10232         (vcmla_rot180_f32): New.
10233         (vcmlaq_rot180_f32): New.
10234         (vcmla_rot180_lane_f32): New.
10235         (vcmla_rot180_laneq_f32): New.
10236         (vcmlaq_rot180_lane_f32): New.
10237         (vcmlaq_rot180_laneq_f32): New.
10238         (vcmla_rot270_f32): New.
10239         (vcmlaq_rot270_f32): New.
10240         (vcmla_rot270_lane_f32): New.
10241         (vcmla_rot270_laneq_f32): New.
10242         (vcmlaq_rot270_lane_f32): New.
10243         (vcmlaq_rot270_laneq_f32): New.
10244         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10245         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10246         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10247         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10248         vcmlaq_lane270): New.
10249         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10250         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10251         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10252         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10253         (arm_option_reconfigure_globals): Use them.
10254         * config/arm/iterators.md (VDF, VQ_HSF): New.
10255         (VCADD, VCMLA): New.
10256         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10257         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10258         New.
10259         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10260         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10261
10262 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10263
10264         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10265         Add qualifier_lane_pair_index.
10266         (emit-rtl.h): Include.
10267         (TYPES_QUADOP_LANE_PAIR): New.
10268         (aarch64_simd_expand_args): Use it.
10269         (aarch64_simd_expand_builtin): Likewise.
10270         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10271         New.
10272         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10273         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10274         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10275         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10276         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10277         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10278         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10279         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10280         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10281         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10282         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10283         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10284         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10285         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10286         Add __ARM_FEATURE_COMPLEX.
10287         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10288         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10289         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10290         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10291         fcmlaq_lane270): New.
10292         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10293         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10294         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10295         * config/aarch64/arm_neon.h:
10296         (vcadd_rot90_f16): New.
10297         (vcaddq_rot90_f16): New.
10298         (vcadd_rot270_f16): New.
10299         (vcaddq_rot270_f16): New.
10300         (vcmla_f16): New.
10301         (vcmlaq_f16): New.
10302         (vcmla_lane_f16): New.
10303         (vcmla_laneq_f16): New.
10304         (vcmlaq_lane_f16): New.
10305         (vcmlaq_rot90_lane_f16): New.
10306         (vcmla_rot90_laneq_f16): New.
10307         (vcmla_rot90_lane_f16): New.
10308         (vcmlaq_rot90_f16): New.
10309         (vcmla_rot90_f16): New.
10310         (vcmlaq_laneq_f16): New.
10311         (vcmla_rot180_laneq_f16): New.
10312         (vcmla_rot180_lane_f16): New.
10313         (vcmlaq_rot180_f16): New.
10314         (vcmla_rot180_f16): New.
10315         (vcmlaq_rot90_laneq_f16): New.
10316         (vcmlaq_rot270_laneq_f16): New.
10317         (vcmlaq_rot270_lane_f16): New.
10318         (vcmla_rot270_laneq_f16): New.
10319         (vcmlaq_rot270_f16): New.
10320         (vcmla_rot270_f16): New.
10321         (vcmlaq_rot180_laneq_f16): New.
10322         (vcmlaq_rot180_lane_f16): New.
10323         (vcmla_rot270_lane_f16): New.
10324         (vcadd_rot90_f32): New.
10325         (vcaddq_rot90_f32): New.
10326         (vcaddq_rot90_f64): New.
10327         (vcadd_rot270_f32): New.
10328         (vcaddq_rot270_f32): New.
10329         (vcaddq_rot270_f64): New.
10330         (vcmla_f32): New.
10331         (vcmlaq_f32): New.
10332         (vcmlaq_f64): New.
10333         (vcmla_lane_f32): New.
10334         (vcmla_laneq_f32): New.
10335         (vcmlaq_lane_f32): New.
10336         (vcmlaq_laneq_f32): New.
10337         (vcmla_rot90_f32): New.
10338         (vcmlaq_rot90_f32): New.
10339         (vcmlaq_rot90_f64): New.
10340         (vcmla_rot90_lane_f32): New.
10341         (vcmla_rot90_laneq_f32): New.
10342         (vcmlaq_rot90_lane_f32): New.
10343         (vcmlaq_rot90_laneq_f32): New.
10344         (vcmla_rot180_f32): New.
10345         (vcmlaq_rot180_f32): New.
10346         (vcmlaq_rot180_f64): New.
10347         (vcmla_rot180_lane_f32): New.
10348         (vcmla_rot180_laneq_f32): New.
10349         (vcmlaq_rot180_lane_f32): New.
10350         (vcmlaq_rot180_laneq_f32): New.
10351         (vcmla_rot270_f32): New.
10352         (vcmlaq_rot270_f32): New.
10353         (vcmlaq_rot270_f64): New.
10354         (vcmla_rot270_lane_f32): New.
10355         (vcmla_rot270_laneq_f32): New.
10356         (vcmlaq_rot270_lane_f32): New.
10357         (vcmlaq_rot270_laneq_f32): New.
10358         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10359         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10360         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10361         (FCADD, FCMLA): New.
10362         (rot): New.
10363         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10364
10365 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10366
10367         PR other/16615
10368
10369         * config/pa/pa.c: Change "can not" to "cannot".
10370         * gimple-ssa-evrp-analyze.c: Likewise.
10371         * ipa-icf.c: Likewise.
10372         * ipa-polymorphic-call.c: Likewise.
10373         * ipa-pure-const.c: Likewise.
10374         * lra-constraints.c: Likewise.
10375         * lra-remat.c: Likewise.
10376         * reload1.c: Likewise.
10377         * reorg.c: Likewise.
10378         * tree-ssa-uninit.c: Likewise.
10379
10380 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10381
10382         PR other/16615
10383
10384         * Makefile.in: Mechanically replace "can not" with "cannot".
10385         * alias.c: Likewise.
10386         * builtins.c: Likewise.
10387         * calls.c: Likewise.
10388         * cgraph.c: Likewise.
10389         * cgraph.h: Likewise.
10390         * cgraphclones.c: Likewise.
10391         * cgraphunit.c: Likewise.
10392         * combine-stack-adj.c: Likewise.
10393         * combine.c: Likewise.
10394         * common/config/i386/i386-common.c: Likewise.
10395         * config/aarch64/aarch64.c: Likewise.
10396         * config/alpha/sync.md: Likewise.
10397         * config/arc/arc.c: Likewise.
10398         * config/arc/predicates.md: Likewise.
10399         * config/arm/arm-c.c: Likewise.
10400         * config/arm/arm.c: Likewise.
10401         * config/arm/arm.h: Likewise.
10402         * config/arm/arm.md: Likewise.
10403         * config/arm/cortex-r4f.md: Likewise.
10404         * config/csky/csky.c: Likewise.
10405         * config/csky/csky.h: Likewise.
10406         * config/darwin-f.c: Likewise.
10407         * config/epiphany/epiphany.md: Likewise.
10408         * config/i386/i386.c: Likewise.
10409         * config/i386/sol2.h: Likewise.
10410         * config/m68k/m68k.c: Likewise.
10411         * config/mcore/mcore.h: Likewise.
10412         * config/microblaze/microblaze.md: Likewise.
10413         * config/mips/20kc.md: Likewise.
10414         * config/mips/sb1.md: Likewise.
10415         * config/nds32/nds32.c: Likewise.
10416         * config/nds32/predicates.md: Likewise.
10417         * config/pa/pa.c: Likewise.
10418         * config/rs6000/e300c2c3.md: Likewise.
10419         * config/rs6000/rs6000.c: Likewise.
10420         * config/s390/s390.h: Likewise.
10421         * config/sh/sh.c: Likewise.
10422         * config/sh/sh.md: Likewise.
10423         * config/spu/vmx2spu.h: Likewise.
10424         * cprop.c: Likewise.
10425         * dbxout.c: Likewise.
10426         * df-scan.c: Likewise.
10427         * doc/cfg.texi: Likewise.
10428         * doc/extend.texi: Likewise.
10429         * doc/fragments.texi: Likewise.
10430         * doc/gty.texi: Likewise.
10431         * doc/invoke.texi: Likewise.
10432         * doc/lto.texi: Likewise.
10433         * doc/md.texi: Likewise.
10434         * doc/objc.texi: Likewise.
10435         * doc/rtl.texi: Likewise.
10436         * doc/tm.texi: Likewise.
10437         * dse.c: Likewise.
10438         * emit-rtl.c: Likewise.
10439         * emit-rtl.h: Likewise.
10440         * except.c: Likewise.
10441         * expmed.c: Likewise.
10442         * expr.c: Likewise.
10443         * fold-const.c: Likewise.
10444         * genautomata.c: Likewise.
10445         * gimple-fold.c: Likewise.
10446         * hard-reg-set.h: Likewise.
10447         * ifcvt.c: Likewise.
10448         * ipa-comdats.c: Likewise.
10449         * ipa-cp.c: Likewise.
10450         * ipa-devirt.c: Likewise.
10451         * ipa-fnsummary.c: Likewise.
10452         * ipa-icf.c: Likewise.
10453         * ipa-inline-transform.c: Likewise.
10454         * ipa-inline.c: Likewise.
10455         * ipa-polymorphic-call.c: Likewise.
10456         * ipa-profile.c: Likewise.
10457         * ipa-prop.c: Likewise.
10458         * ipa-pure-const.c: Likewise.
10459         * ipa-reference.c: Likewise.
10460         * ipa-split.c: Likewise.
10461         * ipa-visibility.c: Likewise.
10462         * ipa.c: Likewise.
10463         * ira-build.c: Likewise.
10464         * ira-color.c: Likewise.
10465         * ira-conflicts.c: Likewise.
10466         * ira-costs.c: Likewise.
10467         * ira-int.h: Likewise.
10468         * ira-lives.c: Likewise.
10469         * ira.c: Likewise.
10470         * ira.h: Likewise.
10471         * loop-invariant.c: Likewise.
10472         * loop-unroll.c: Likewise.
10473         * lower-subreg.c: Likewise.
10474         * lra-assigns.c: Likewise.
10475         * lra-constraints.c: Likewise.
10476         * lra-eliminations.c: Likewise.
10477         * lra-lives.c: Likewise.
10478         * lra-remat.c: Likewise.
10479         * lra-spills.c: Likewise.
10480         * lra.c: Likewise.
10481         * lto-cgraph.c: Likewise.
10482         * lto-streamer-out.c: Likewise.
10483         * postreload-gcse.c: Likewise.
10484         * predict.c: Likewise.
10485         * profile-count.h: Likewise.
10486         * profile.c: Likewise.
10487         * recog.c: Likewise.
10488         * ree.c: Likewise.
10489         * reload.c: Likewise.
10490         * reload1.c: Likewise.
10491         * reorg.c: Likewise.
10492         * resource.c: Likewise.
10493         * rtl.def: Likewise.
10494         * rtl.h: Likewise.
10495         * rtlanal.c: Likewise.
10496         * sched-deps.c: Likewise.
10497         * sched-ebb.c: Likewise.
10498         * sched-rgn.c: Likewise.
10499         * sel-sched-ir.c: Likewise.
10500         * sel-sched.c: Likewise.
10501         * shrink-wrap.c: Likewise.
10502         * simplify-rtx.c: Likewise.
10503         * symtab.c: Likewise.
10504         * target.def: Likewise.
10505         * toplev.c: Likewise.
10506         * tree-call-cdce.c: Likewise.
10507         * tree-cfg.c: Likewise.
10508         * tree-complex.c: Likewise.
10509         * tree-core.h: Likewise.
10510         * tree-eh.c: Likewise.
10511         * tree-inline.c: Likewise.
10512         * tree-loop-distribution.c: Likewise.
10513         * tree-nrv.c: Likewise.
10514         * tree-profile.c: Likewise.
10515         * tree-sra.c: Likewise.
10516         * tree-ssa-alias.c: Likewise.
10517         * tree-ssa-dce.c: Likewise.
10518         * tree-ssa-dom.c: Likewise.
10519         * tree-ssa-forwprop.c: Likewise.
10520         * tree-ssa-loop-im.c: Likewise.
10521         * tree-ssa-loop-ivcanon.c: Likewise.
10522         * tree-ssa-loop-ivopts.c: Likewise.
10523         * tree-ssa-loop-niter.c: Likewise.
10524         * tree-ssa-phionlycprop.c: Likewise.
10525         * tree-ssa-phiopt.c: Likewise.
10526         * tree-ssa-propagate.c: Likewise.
10527         * tree-ssa-threadedge.c: Likewise.
10528         * tree-ssa-threadupdate.c: Likewise.
10529         * tree-ssa-uninit.c: Likewise.
10530         * tree-ssanames.c: Likewise.
10531         * tree-streamer-out.c: Likewise.
10532         * tree.c: Likewise.
10533         * tree.h: Likewise.
10534         * vr-values.c: Likewise.
10535
10536 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10537
10538         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10539         (ix86_split_xorsign): Ditto.
10540         * config/i386/i386.c (ix86_expand_xorsign): New function.
10541         (ix86_split_xorsign): Ditto.
10542         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10543         (xorsign<mode>3): New expander.
10544         (xorsign<mode>3_1): New insn_and_split pattern.
10545         * config/i386/sse.md (xorsign<mode>3): New expander.
10546
10547 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10548
10549         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10550         (*tablejump_sp64): Likewise.
10551         (*tablejump<P:mode>): ...this.
10552         (*call_address_sp32): Merge into...
10553         (*call_address_sp64): Likewise.
10554         (*call_address<P:mode>): ...this.
10555         (*call_symbolic_sp32): Merge into...
10556         (*call_symbolic_sp64): Likewise.
10557         (*call_symbolic<P:mode>): ...this.
10558         (call_value): Remove constraint and add predicate.
10559         (*call_value_address_sp32): Merge into...
10560         (*call_value_address_sp64): Likewise.
10561         (*call_value_address<P:mode>): ...this.
10562         (*call_value_symbolic_sp32): Merge into...
10563         (*call_value_symbolic_sp64): Likewise.
10564         (*call_value_symbolic<P:mode>): ...this.
10565         (*sibcall_symbolic_sp32): Merge into...
10566         (*sibcall_symbolic_sp64): Likewise.
10567         (*sibcall_symbolic<P:mode>): ...this.
10568         (sibcall_value): Remove constraint and add predicate.
10569         (*sibcall_value_symbolic_sp32): Merge into...
10570         (*sibcall_value_symbolic_sp64): Likewise.
10571         (*sibcall_value_symbolic<P:mode>): ...this.
10572         (window_save): Minor tweak.
10573         (*branch_sp32): Merge into...
10574         (*branch_sp64): Likewise.
10575         (*branch<P:mode>): ...this.
10576
10577 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10578             James Clarke  <jrtc27@jrtc27.com>
10579
10580         PR target/84010
10581         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10582         consistently in TLS address generation and adjust code to the renaming
10583         of patterns.  Mark calls to __tls_get_addr as const.
10584         * config/sparc/sparc.md (tgd_hi22): Turn into...
10585         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10586         (tgd_lo10): Turn into...
10587         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10588         (tgd_add32): Merge into...
10589         (tgd_add64): Likewise.
10590         (tgd_add<P:mode>): ...this and use Pmode throughout.
10591         (tldm_hi22): Turn into...
10592         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10593         (tldm_lo10): Turn into...
10594         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10595         (tldm_add32): Merge into...
10596         (tldm_add64): Likewise.
10597         (tldm_add<P:mode>): ...this and use Pmode throughout.
10598         (tldm_call32): Merge into...
10599         (tldm_call64): Likewise.
10600         (tldm_call<P:mode>): ...this and use Pmode throughout.
10601         (tldo_hix22): Turn into...
10602         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10603         (tldo_lox10): Turn into...
10604         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10605         (tldo_add32): Merge into...
10606         (tldo_add64): Likewise.
10607         (tldo_add<P:mode>): ...this and use Pmode throughout.
10608         (tie_hi22): Turn into...
10609         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10610         (tie_lo10): Turn into...
10611         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10612         (tie_ld64): Use DImode throughout.
10613         (tie_add32): Merge into...
10614         (tie_add64): Likewise.
10615         (tie_add<P:mode>): ...this and use Pmode throughout.
10616         (tle_hix22_sp32): Merge into...
10617         (tle_hix22_sp64): Likewise.
10618         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10619         (tle_lox22_sp32): Merge into...
10620         (tle_lox22_sp64): Likewise.
10621         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10622         (*tldo_ldub_sp32): Merge into...
10623         (*tldo_ldub_sp64): Likewise.
10624         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10625         (*tldo_ldub1_sp32): Merge into...
10626         (*tldo_ldub1_sp64): Likewise.
10627         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10628         (*tldo_ldub2_sp32): Merge into...
10629         (*tldo_ldub2_sp64): Likewise.
10630         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10631         (*tldo_ldsb1_sp32): Merge into...
10632         (*tldo_ldsb1_sp64): Likewise.
10633         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10634         (*tldo_ldsb2_sp32): Merge into...
10635         (*tldo_ldsb2_sp64): Likewise.
10636         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10637         (*tldo_ldub3_sp64): Use DImode throughout.
10638         (*tldo_ldsb3_sp64): Likewise.
10639         (*tldo_lduh_sp32): Merge into...
10640         (*tldo_lduh_sp64): Likewise.
10641         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10642         (*tldo_lduh1_sp32): Merge into...
10643         (*tldo_lduh1_sp64): Likewise.
10644         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10645         (*tldo_ldsh1_sp32): Merge into...
10646         (*tldo_ldsh1_sp64): Likewise.
10647         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10648         (*tldo_lduh2_sp64): Use DImode throughout.
10649         (*tldo_ldsh2_sp64): Likewise.
10650         (*tldo_lduw_sp32): Merge into...
10651         (*tldo_lduw_sp64): Likewise.
10652         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10653         (*tldo_lduw1_sp64): Use DImode throughout.
10654         (*tldo_ldsw1_sp64): Likewise.
10655         (*tldo_ldx_sp64): Likewise.
10656         (*tldo_stb_sp32): Merge into...
10657         (*tldo_stb_sp64): Likewise.
10658         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10659         (*tldo_sth_sp32): Merge into...
10660         (*tldo_sth_sp64): Likewise.
10661         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10662         (*tldo_stw_sp32): Merge into...
10663         (*tldo_stw_sp64): Likewise.
10664         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10665         (*tldo_stx_sp64): Use DImode throughout.
10666
10667 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10668
10669         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10670         check configure option to set BTI and Return Address Signing.
10671         * configure.ac: Add --enable-standard-branch-protection and
10672         --disable-standard-branch-protection.
10673         * configure: Regenerated.
10674         * doc/install.texi: Document the same.
10675
10676 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10677             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10678
10679         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10680         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10681         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10682         if bti is enabled.
10683         * config/aarch64/aarch64-bti-insert.c: New file.
10684         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10685         pass.
10686         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10687         new bti pass.
10688         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10689         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10690         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10691         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10692
10693 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10694
10695         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10696         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10697         Disable bti for -mbranch-protection=none.
10698         (aarch64_handle_standard_branch_protection): Enable bti for
10699         -mbranch-protection=standard.
10700         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10701         -mbranch-protection.
10702         (aarch64_bti_enabled): Check if bti is enabled.
10703         * config/aarch64/aarch64.opt: Declare target variable.
10704         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10705
10706 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10707
10708         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10709         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10710         (aarch64_expand_epilogue): Likewise.
10711         (aarch64_output_mi_thunk): Likewise
10712         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10713         TAILCALL_ADDR_REGS to x16 and x17.
10714         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10715
10716 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10717
10718         * config/aarch64/aarch64-option-extensions.def: Define
10719         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10720         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10721         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10722         (AARCH64_FL_PREDRES): New.
10723         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10724         AARCH64_FL_PREDRES by default.
10725         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10726
10727 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10728
10729         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10730         ARMv8.5-A.
10731         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10732         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10733         * doc/invoke.texi: Document ARMv8.5-A.
10734
10735 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10736
10737         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10738         (xorsign<mode>3): Likewise.
10739
10740 2019-01-09  Jelinek  <jakub@redhat.com>
10741
10742         PR middle-end/88758
10743         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10744         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10745
10746         PR rtl-optimization/88331
10747         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10748         not currently_expanding_to_rtl.
10749
10750 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10751
10752         * doc/invoke.texi (-Os): Remove trailing spaces.
10753         (-finline-functions): Remove reference to -O2.
10754
10755 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10756
10757         PR rtl-optimization/79593
10758         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10759
10760         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10761         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10762
10763 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10764
10765         PR bootstrap/88721
10766         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10767         to -1 on entry.
10768
10769         PR debug/88723
10770         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10771         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10772
10773 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10774
10775         PR target/88717
10776         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10777         ix86_avx_u128_mode_entry.
10778
10779 2019-01-08  Martin Liska  <mliska@suse.cz>
10780
10781         PR tree-optimization/88753
10782         * tree-switch-conversion.c (switch_conversion::build_one_array):
10783         Come up with local variable constructor.  Convert first to
10784         type of constructor values.
10785
10786 2019-01-08  Richard Biener  <rguenther@suse.de>
10787
10788         PR tree-optimization/86554
10789         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10790         rpo_avail): Move earlier.
10791         (visit_nary_op): When value-numbering to expressions
10792         with different overflow behavior make sure there's an
10793         available expression on the path.
10794
10795 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10796
10797         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10798         aarch64_parse_branch_protection,
10799         struct aarch64_branch_protect_type,
10800         aarch64_handle_no_branch_protection,
10801         aarch64_handle_standard_branch_protection,
10802         aarch64_validate_mbranch_protection,
10803         aarch64_handle_pac_ret_protection,
10804         aarch64_handle_attr_branch_protection,
10805         accepted_branch_protection_string,
10806         aarch64_pac_ret_subtypes,
10807         aarch64_branch_protect_types,
10808         aarch64_handle_pac_ret_leaf): Define.
10809         (aarch64_override_options_after_change_1, aarch64_override_options):
10810         Add check for accepted_branch_protection_string.
10811         (aarch64_option_save): Save accepted_branch_protection_string.
10812         (aarch64_option_restore): Save accepted_branch_protection_string.
10813         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10814         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10815         msign-return-address.
10816         * doc/invoke.texi: Add mbranch-protection.
10817
10818 2019-01-08  Alan Modra  <amodra@gmail.com>
10819
10820         PR target/88614
10821         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10822         Delete "unknownp" parameter.  Adjust callers.  Handle
10823         CONST_INT, PLUS, MINUS, and MULT.
10824         (attr_value_aligned): Renamed from or_attr_value.
10825         (min_attr_value): Return INT_MIN for unhandled rtl case..
10826         (min_fn): ..and translate to INT_MAX here.
10827         (write_length_unit_log): Modify to cope without "unknown".
10828         (write_attr_value): Handle IF_THEN_ELSE.
10829
10830 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10831
10832         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10833         optimization for masked stores.
10834
10835 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10836
10837         PR middle-end/88567
10838         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10839         output vector directly to duplicate_and_interleave instead of
10840         going through a temporary.  Postpone insertion of ctor_seq to
10841         the end of the loop.
10842
10843 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10844
10845         PR target/86891
10846         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10847         unsigned_p.  Handle signed and unsigned overflow correction as
10848         required.
10849         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10850         prototype.
10851         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10852         for operand 2.
10853         (add<mode>3_compareV_imm): Make this callable for expanding.
10854         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10855         aarch64_plus_operand for operand 2.
10856         (subv<GPI:mode>_insn): New insn pattern.
10857         (subv<GPI:mode>_imm): Likewise.
10858         (negv<GPI:mode>3): New expand pattern.
10859         (negv<GPI:mode>_insn): New insn pattern.
10860         (negv<GPI:mode>_cmp_only): Likewise.
10861         (cmpv<GPI:mode>_insn): Likewise.
10862         (subvti4): Use register_operand for operand 1.  Update call to
10863         aarch64_expand_subvti.
10864         (usubvti4): Likewise.
10865         (negvti3): New expand pattern.
10866         (negdi_carryout): New insn pattern.
10867         (negvdi_carryinV): New insn pattern.
10868         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10869         version the named version.
10870         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10871         operands.
10872         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10873         patterns.
10874         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10875         patterns.
10876         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10877         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10878         (sub<mode>3_carryinCV): Delete.
10879         (sub<GPI:mode>3_carryinV): New expand pattern.
10880         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10881
10882 2019-01-07  Richard Biener  <rguenther@suse.de>
10883
10884         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10885         of tree_operand_hash.
10886
10887 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10888
10889         PR tree-optimization/88598
10890         * tree.h (single_nonzero_element): Declare.
10891         * tree.c (single_nonzero_element): New function.
10892         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10893         if I is the only nonzero element of CST.
10894
10895 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10896
10897         PR tree-optimization/88598
10898         * tree.h (initializer_each_zero_or_onep): Declare.
10899         * tree.c (initializer_each_zero_or_onep): New function.
10900         (signed_or_unsigned_type_for): Handle float types too.
10901         (unsigned_type_for, signed_type_for): Update comments accordingly.
10902         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10903         x & { 0 or -1, 0 or -1, ... }.
10904
10905 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10906
10907         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10908         with x86_64-pc-linux-gnu.
10909
10910 2019-01-07  Tom de Vries  <tdevries@suse.de>
10911
10912         PR target/85486
10913         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10914         function.
10915         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10916         routines.
10917
10918 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10919
10920         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10921         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10922         TARGET_AVX512F as condition.
10923
10924         PR debug/88723
10925         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10926         const_not_ok_for_debug_p target hook.
10927         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10928         on UNSPEC and subexpressions thereof if all subexpressions of the
10929         UNSPEC are CONSTANT_P.
10930
10931         PR tree-optimization/88676
10932         * tree-ssa-phiopt.c (two_value_replacement): New function.
10933         (tree_ssa_phiopt_worker): Call it.
10934
10935         PR sanitizer/88619
10936         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10937         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10938
10939         PR c++/85052
10940         * tree-vect-generic.c: Include insn-config.h and recog.h.
10941         (expand_vector_piecewise): Add defaulted ret_type argument,
10942         if non-NULL, use that in preference to type for the result type.
10943         (expand_vector_parallel): Formatting fix.
10944         (do_vec_conversion, do_vec_narrowing_conversion,
10945         expand_vector_conversion): New functions.
10946         (expand_vector_operations_1): Call expand_vector_conversion
10947         for VEC_CONVERT ifn calls.
10948         * internal-fn.def (VEC_CONVERT): New internal function.
10949         * internal-fn.c (expand_VEC_CONVERT): New function.
10950         * fold-const-call.c (fold_const_vec_convert): New function.
10951         (fold_const_call): Use it for CFN_VEC_CONVERT.
10952         * doc/extend.texi (__builtin_convertvector): Document.
10953
10954 2019-01-07  Tom de Vries  <tdevries@suse.de>
10955
10956         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10957         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10958         vector_red_partition, vector_red_sym): New global variables.
10959         (nvptx_option_override): Initialize vector_red_sym.
10960         (nvptx_declare_function_name): Restore red_partition register.
10961         (nvptx_file_end): Emit code to declare the vector reduction variables.
10962         (nvptx_output_red_partition): New function.
10963         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10964         large vector reductions.
10965         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10966         (nvptx_init_builtins): Add VECTOR_ADDR.
10967         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10968         Handle nvptx_expand_shared_addr.
10969         (nvptx_get_shared_red_addr): Add vector argument and handle large
10970         vectors.
10971         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10972         large vectors.
10973         (nvptx_goacc_reduction_init): Likewise.
10974         (nvptx_goacc_reduction_fini): Likewise.
10975         (nvptx_goacc_reduction_teardown): Likewise.
10976         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10977         init,fini,teardown}.
10978         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10979         (nvptx_set_current_function): Init vector_red_partition.
10980         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10981         (nvptx_red_partition): New insn.
10982         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10983
10984 2019-01-07  Tom de Vries  <tdevries@suse.de>
10985
10986         PR target/85381
10987         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10988         empty loops.
10989
10990 2019-01-07  Tom de Vries  <tdevries@suse.de>
10991
10992         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10993         (nvptx_option_override): Init oacc_bcast_partition.
10994         (nvptx_init_oacc_workers): New function.
10995         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10996         (nvptx_needs_shared_bcast): New function.
10997         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10998         to propagate state.
10999         (nvptx_shared_propagate): Initialize vector bcast partition and
11000         synchronization state.
11001         (nvptx_single):  Generalize to enable vectors to use shared-memory
11002         to propagate state.
11003         (nvptx_process_pars): Likewise.
11004         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11005         * config/nvptx/nvptx.h (struct machine_function): Add
11006         bcast_partition and sync_bar members.
11007
11008 2019-01-07  Tom de Vries  <tdevries@suse.de>
11009
11010         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11011         (nvptx_apply_dim_limits): New function.
11012         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11013         PTX_WARP_SIZE.
11014
11015 2019-01-07  Tom de Vries  <tdevries@suse.de>
11016
11017         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11018         as late as possible.
11019
11020 2019-01-07  Tom de Vries  <tdevries@suse.de>
11021
11022         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11023         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11024         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11025         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11026         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11027
11028 2019-01-07  Tom de Vries  <tdevries@suse.de>
11029
11030         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11031
11032 2019-01-07  Tom de Vries  <tdevries@suse.de>
11033
11034         * omp-offload.c (oacc_get_min_dim): New function.
11035         * omp-offload.h (oacc_get_min_dim): Declare.
11036
11037 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11038
11039         PR target/88521
11040         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11041         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11042
11043 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11044
11045         PR tree-opt/86020
11046         Revert:
11047         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11048
11049         * ipa-inline.c (edge_badness): Use inlined_time instead of
11050         inline_summaries->get.
11051
11052 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11053
11054         * opts.c (enable_fdo_optimizations): Enable
11055         version-loops-for-strides, loop-interchange, unrol-and-jam
11056         and tree-loop-distribution.
11057         * invoke.texi: Document newly enabled options.
11058
11059 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11060
11061         * doc/invoke.texi (max-inline-insns-small): New parameters.
11062         * ipa-inline.c (want_early_inline_function_p): simplify.
11063         (want_inline_small_function_p): Fix pasto from previous patch;
11064         use max-inline-insns-small bound.
11065         * params.def (max-inline-insns-small): New param.
11066         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11067         variables correctly.
11068
11069 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11070
11071         * doc/invoke.texi: Document max-inline-insns-size,
11072         uninlined-function-insns, uninlined-function-time,
11073         uninlined-thunk-insns and uninlined-thunk-time.
11074         * params.def: Add max-inline-insns-size,
11075         uninlined-function-insns, uninlined-function-time,
11076         uninlined-thunk-insns and uninlined-thunk-time.
11077         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11078         new parameters.
11079         * ipa-inline.c (can_inline_edge_by_limits_p,
11080         want_inline_small_function_p): Use new parameters.
11081
11082 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11083
11084         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11085
11086 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11087
11088         PR middle-end/82564
11089         PR target/88620
11090         * expr.c (expand_assignment): For calls returning VLA structures
11091         if to_rtx is not a MEM, force it into a stack temporary.
11092
11093         PR debug/88635
11094         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11095         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11096         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11097         subexpressions of both operands.
11098         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11099         subrtxes are CONSTANT_P.
11100         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11101         2018-11-09 changes.
11102
11103 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11104
11105         * params.def (hot-bb-count-ws-permille): Set to 990.
11106
11107 2019-01-04  Martin Sebor  <msebor@redhat.com>
11108
11109         PR c/88546
11110         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11111         leaf.
11112
11113 2019-01-04  Martin Sebor  <msebor@redhat.com>
11114
11115         PR c/88363
11116         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11117
11118 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11119
11120         * gdbinit.in: Turn off pagination for the skip commands, restore
11121         it to previous state afterwards.
11122
11123 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11124
11125         PR target/88594
11126         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11127         of GET_MODE (opN) as modes of the libcall arguments.
11128
11129 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11130
11131         * config/i386/sse.md
11132         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11133         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11134         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11135         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11136         avx512f_vmcmp<mode>3<round_saeonly_name>,
11137         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11138         avx512f_maskcmp<mode>3,
11139         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11140         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11141         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11142         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11143         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11144         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11145         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11146         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11147         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11148         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11149         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11150         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11151         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11152         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11153         avx512cd_maskb_vec_dup<mode>,
11154         avx512cd_maskw_vec_dup<mode>,
11155         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11156         avx512dq_vmfpclass<mode>,
11157         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11158         instead of =Yk.
11159
11160 2019-01-03  Martin Sebor  <msebor@redhat.com>
11161
11162         PR tree-optimization/88659
11163         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11164
11165 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11166
11167         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11168         unaligned vsx and avoid lxvd2x/stxvd2x.
11169         (gen_lvx_v4si_move): New function.
11170
11171 2019-01-03  Tom de Vries  <tdevries@suse.de>
11172
11173         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11174         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11175         function.
11176         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11177
11178 2019-01-03  Tom de Vries  <tdevries@suse.de>
11179
11180         * config/nvptx/nvptx.c (struct offload_attrs): New.
11181         (populate_offload_attrs): New function.  Factor mask extraction out of
11182         nvptx_reorg.  Add extraction of dimensions.
11183         (nvptx_reorg): Use populate_offload_attrs.
11184
11185 2019-01-03  Tom de Vries  <tdevries@suse.de>
11186
11187         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11188         cases for oacc_min_dims_p and routine_p.  Add asserts for
11189         oacc_default_dims_p and offload_region_p.
11190
11191 2019-01-03  Tom de Vries  <tdevries@suse.de>
11192
11193         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11194         factored out of ...
11195         (nvptx_goacc_validate_dims): ... here.
11196
11197 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11198
11199         PR tree-optimization/85574
11200         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11201         structure.
11202         (struct ssa_equip_hash_traits): Declare.
11203         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11204
11205 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11206
11207         PR debug/88644
11208         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11209         change it to qualified_type.
11210
11211 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11212
11213         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11214         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11215
11216 2019-01-02  Martin Sebor  <msebor@redhat.com>
11217             Jeff Law  <law@redhat.com>
11218
11219         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11220         (get_range_strlen_tree): Update appropriately.
11221         (get_range_strlen)
11222         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11223
11224         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11225         rather than set_range_info.
11226         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11227         maybe_set_strlen_range.  Handle potentially boundary crossing
11228         cases more conservatively.
11229         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11230         Call set_strlen_range.
11231         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11232
11233         PR middle-end/88663
11234         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11235         need the flexp argument.
11236         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11237         from calls to get_range_strlen.  Update comments.  Just update
11238         VAL for an unterminated const char array and let the reset of the
11239         code handle it normally.  No longer try to set *flexp.  Adjust
11240         return value.
11241         (get_range_strlen): Update for the new get_range_strlen API.
11242         (get_maxval_strlen): Similarly.
11243         (gimple_fold_builtin_strlen): Handle update meaning of return value
11244         from get_range_strlen.
11245         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11246         get_range_strlen API.
11247
11248 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11249
11250         PR lto/88130
11251         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11252         false at WPA time when body was removed.
11253
11254 2019-01-02  Martin Liska  <mliska@suse.cz>
11255
11256         PR tree-optimization/88650
11257         * predict.c (set_even_probabilities): Calculate probability
11258         remainer only when really used.
11259
11260 2019-01-02  Richard Biener  <rguenther@suse.de>
11261
11262         PR middle-end/88651
11263         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11264         widest_ints when mangling max_stmt_execution results.
11265
11266 2019-01-02  Richard Biener  <rguenther@suse.de>
11267
11268         PR tree-optimization/88621
11269         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11270         bitfields when canoncalizing.
11271
11272 2019-01-02  Richard Biener  <rguenther@suse.de>
11273
11274         PR target/87545
11275         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11276         cost of cheap SSE instruction.
11277
11278 2019-01-02  Richard Biener  <rguenther@suse.de>
11279
11280         PR ipa/85574
11281         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11282         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11283         function.
11284         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11285         set after UIDs before splitting them.
11286
11287 2019-01-01  Martin Sebor  <msebor@redhat.com>
11288             Jeff Law  <law@redhat.com>
11289
11290         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11291         length is optimistic.  If it is, then arrange to compute the
11292         conservative length as well.
11293
11294         * gimple-fold.h (get_range_strlen): Update prototype.
11295         * builtins.c (check_access): Update call to get_range_strlen to use
11296         c_strlen_data pointer.   Change various variable accesses to instead
11297         pull data from the c_strlen_data structure.
11298         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11299         * calls.c (maybe_warn_nonstring_arg): Likewise.
11300         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11301         minimum length if maximum lengh is unknown.
11302         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11303         that used c_strlen, it's no longer needed.  Restructure slightly.
11304         (format_string): Set unlikely range appropriately.
11305         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11306         formatting issues.
11307         (get_range_strlen):  Accept c_strlen_data pointer for external
11308         call sites as well.  Pass through to call to internal get_range_strlen.
11309         Adjust minlen, maxlen and maxbound as needed.
11310         (get_maxval_strlen): Update comments.
11311         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11312         to use c_strlen_data pointer.  Change variable accesses to instead
11313         use c_strlen_data data members.
11314
11315         * gimple-fold.c (get_range_strlen): Update prototype.
11316         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11317         local variables.  Use pdata to return information to caller.
11318         Update calls to get_range_strlen.  Update pdata->maxbound.
11319         (get_range_strlen -- static version): Similarly.
11320         (get_range_strlen -- extern version): Update for internal
11321         get_range_strlen API change.  Convert to external data format.
11322         (get_maxval_strlen): Similarly.
11323
11324 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11325
11326         * coverage.c (get_coverage_counts): Use current_function_decl.
11327         * profile.c (read_thunk_profile): New function.
11328         (branch_prob): Add THUNK parameter.
11329         * tree-profile.c (tree_profiling): Handle thunks.
11330         * value-prof.c (init_node_map): Handle thunks.
11331         * value-prof.h (branch_prob): Upate prototype.
11332         (read_thunk_profile): Declare.
11333
11334 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11335
11336         Update copyright years.
11337
11338         * gcc.c (process_command): Update copyright notice dates.
11339         * gcov-dump.c (print_version): Ditto.
11340         * gcov.c (print_version): Ditto.
11341         * gcov-tool.c (print_version): Ditto.
11342         * gengtype.c (create_file): Ditto.
11343         * doc/cpp.texi: Bump @copying's copyright year.
11344         * doc/cppinternals.texi: Ditto.
11345         * doc/gcc.texi: Ditto.
11346         * doc/gccint.texi: Ditto.
11347         * doc/gcov.texi: Ditto.
11348         * doc/install.texi: Ditto.
11349         * doc/invoke.texi: Ditto.
11350 \f
11351 Copyright (C) 2019 Free Software Foundation, Inc.
11352
11353 Copying and distribution of this file, with or without modification,
11354 are permitted in any medium without royalty provided the copyright
11355 notice and this notice are preserved.