gcc/ChangeLog

   1 2019-06-12  Tom de Vries  <tdevries@suse.de>
   2
   3         PR tree-optimization/90009
   4         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
   5
   6 2019-06-12  Martin Liska  <mliska@suse.cz>
   7
   8         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
   9         the created map.
  10         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
  11         * mem-stats.h (mem_alloc_description::mem_alloc_description):
  12         Do not sanitize created maps.
  13
  14 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
  15
  16         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
  17         value_range::singleton_p.
  18         * tree-vrp.c (value_range_constant_singleton): Remove.
  19         * tree-vrp.h (value_range_constant_singleton): Remove.
  20         * vr-values.c (vr_values::singleton): Use
  21         value_range::singleton_p.
  22
  23 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  24
  25         PR target/90811
  26         * cfgexpand.c (align_local_variable): Add really_expand argument,
  27         don't SET_DECL_ALIGN if it is false.
  28         (add_stack_var): Add really_expand argument, pass it through to
  29         align_local_variable.
  30         (expand_one_stack_var_1): Pass true as really_expand to
  31         align_local_variable.
  32         (expand_one_ssa_partition): Pass true as really_expand to
  33         add_stack_var.
  34         (expand_one_var): Pass really_expand through to add_stack_var.
  35
  36 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
  37
  38         * config/arm/iterators.md (VABAL): New int iterator.
  39         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
  40         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
  41         values.
  42
  43 2019-06-12  Martin Liska  <mliska@suse.cz>
  44
  45         * value-prof.c (stream_out_histogram_value): Only first value
  46         can't be negative.
  47
  48 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
  49
  50         PR c/90760
  51         * symtab.c (symtab_node::set_section): Allow being called on aliases
  52         as long as they aren't analyzed yet.
  53
  54 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
  55
  56         * config/mips/mips.c (mips_final_postscan_insn): Modify call
  57         to `mips_set_text_contents_type' to indicate whether a
  58         non-debug insn follows.
  59
  60 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
  61
  62         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
  63         enabling -mpcrel by default.
  64         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
  65         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
  66         that the test against -mcpu=future is done first.  Then test if
  67         -mprefixed-addr is on for -mpcrel.
  68         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
  69
  70 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
  71
  72         PR target/90811
  73         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
  74         instead of and.u%d.
  75
  76 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
  77
  78         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
  79
  80 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
  81
  82         PR c++/90449 - add -Winaccessible-base option.
  83         * doc/invoke.texi (Winaccessible-base): Document.
  84
  85 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
  86
  87         PR tree-optimization/62041
  88         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
  89
  90 2019-06-11  Jason Merrill  <jason@redhat.com>
  91
  92         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
  93         * tree.c (get_tree_code_name): Likewise.
  94         * print-tree.c (print_node): Only briefly print a node with an
  95         invalid code.
  96
  97 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
  98
  99         PR bootstrap/90819
 100         * trans-mem.c (tm_memopt_compute_available): Add assertion
 101         that blocks is not empty.  Formatting fix.
 102
 103 2019-06-11  Martin Liska  <mliska@suse.cz>
 104
 105         PR c++/87847
 106         * hash-table.h: Extend create_gcc, add one parameter
 107         that is passed into hash_table::hash_table.
 108
 109 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 110
 111         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 112         New prototype.
 113         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 114         Emit clobber also for non-sse operations.
 115         (ix86_split_fp_absneg_operator): New function.
 116         * config/i386/i386.md (SSEMODEF): New mode iterator.
 117         (ssevecmodef): New mode attribute.
 118         (<code>tf2): Use absneg code iterator.
 119         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 120         Add three-operand AVX alternatives.
 121         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 122         Use absneg code iterator and X87MODEF mode iterator.
 123         (absneg fp_reg non-sse splitter): Call absneg code iterator
 124         and X87MODEF mode iterator.
 125         (absneg general_reg non-sse splitter): Use absneg code iterator
 126         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 127         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 128         code iterator.  Add three-operand AVX alternative.
 129         (absneg sse_reg splitter): Use absneg code iterator
 130         and SSEMODEF mode iterator.  Handle AVX operands.
 131         (absneg fp_reg splitter): Use absneg code iterator
 132         and MODEF mode iterator.
 133         (absneg general_reg splitter): Merge splitters using MODEF mode
 134         iterator.  Use absneg code iterator.  Call
 135         ix86_split_fp_absneg_operator.
 136         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 137         Do not enable for non-sse modes before reload.
 138         (CSGNMODE): Remove.
 139         (CSGNVMODE): Ditto.
 140         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 141         ssevecmodef mode attribute instaed of CSGNVMODE.
 142         (copysign<mode>3_const): Ditto.
 143         (copysign<mode>3_var): Ditto.
 144         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 145         Use absneg code iterator.  Simplify code using std::swap.
 146         * config/i386/predicates.md (absneg_operator): Remove.
 147
 148 2019-06-10  Martin Sebor  <msebor@redhat.com>
 149
 150         * gimple-fold.c (get_range_strlen): Update comment that didn't
 151         make it into r267503 or related commits.
 152
 153 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 154
 155         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 156         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 157
 158 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 159
 160         * tree.def (OMP_SCAN): New tree code.
 161         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 162         OMP_CLAUSE_EXCLUSIVE.
 163         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 164         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 165         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 166         OMP_CLAUSE_{IN,EX}CLUSIVE.
 167         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 168         * tree-nested.c (convert_nonlocal_reference_stmt,
 169         convert_local_reference_stmt, convert_gimple_call): Handle
 170         GIMPLE_OMP_SCAN.
 171         * tree-pretty-print.c (dump_omp_clause): Handle
 172         OMP_CLAUSE_{IN,EX}CLUSIVE.
 173         (dump_generic_node): Handle OMP_SCAN.
 174         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 175         * gimple.h (gomp_scan): New type.
 176         (is_a_helper <gomp_scan *>::test,
 177         is_a_helper <const gomp_scan *>::test): New templates.
 178         (gimple_build_omp_scan): Declare.
 179         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 180         gimple_omp_scan_set_clauses): New inline functions.
 181         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 182         * gimple.c (gimple_build_omp_scan): New function.
 183         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 184         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 185         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 186         GIMPLE_OMP_TASKGROUP.
 187         (dump_gimple_omp_scan): New function.
 188         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 189         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 190         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 191         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 192         (is_gimple_stmt): Handle OMP_SCAN.
 193         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 194         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 195         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 196         mentioned in nested #pragma omp scan.  Handle
 197         OMP_CLAUSE_{IN,EX}CLUSIVE.
 198         (gimplify_expr): Handle OMP_SCAN.
 199         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 200         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 201         simd constructs.
 202         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 203         GIMPLE_OMP_SCAN.
 204
 205 2019-06-10  Martin Liska  <mliska@suse.cz>
 206
 207         * ipa-cp.c (ignore_edge_p): New function.
 208         (build_toporder_info): Use it.
 209         * ipa-inline.c (ignore_edge_p): New function.
 210         (inline_small_functions): Use it.
 211         * ipa-pure-const.c (ignore_edge_for_nothrow):
 212         Verify opt_for_fn for caller and callee.
 213         (ignore_edge_for_pure_const): Likewise.
 214         * ipa-reference.c (ignore_edge_p): Extend to check
 215         for opt_for_fn.
 216         * ipa-utils.c (searchc): Refactor.
 217         * ipa-utils.h: Fix coding style.
 218
 219 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 220
 221         * config/arc/arc.c (arc_rtx_costs): Update costs.
 222
 223 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 224
 225         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 226         (arc_split_ior): Likewise.
 227         (arc_check_mov_const): Likewise.
 228         (arc_split_mov_const): Likewise.
 229         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 230         (arc_rtx_costs): Replace check Crr with Cax constraint.
 231         (prepare_move_operands): Cleanup, remove unused code.
 232         (arc_split_ior): New function.
 233         (arc_check_ior_const): Likewise.
 234         (arc_split_mov_const): Likewise.
 235         (arc_check_mov_const): Likewise.
 236         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 237         in define_insn_and_split pattern.
 238         (iorsi3): Likewise.
 239         (mulsi3_v2): Add new matching variant.
 240         (andsi3_i): Cleanup pattern.
 241         (rotrsi3_cnt1): Update pattern.
 242         (rotrsi3_cnt8): New pattern.
 243         (ashlsi2_cnt8): Likewise.
 244         (ashlsi2_cnt16): Likewise.
 245         * config/arc/constraints.md (C0p): Update constraint.
 246         (Crr): Remove it.
 247         (C0x): New pattern.
 248         (Cax): New pattern.
 249
 250 2019-06-10  Martin Liska  <mliska@suse.cz>
 251
 252         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 253         Update coding style.
 254         (sem_item_optimizer::dump_cong_classes):
 255         Print how many items are in a non-singular class.  Improve
 256         coding style.
 257
 258 2019-06-10  Martin Liska  <mliska@suse.cz>
 259
 260         * value-prof.c (dump_histogram_value): Change dump format.
 261         (gimple_mod_subtract_transform): Remove legacy comment.
 262
 263 2019-06-10  Martin Liska  <mliska@suse.cz>
 264
 265         * value-prof.c (dump_histogram_value): Print histogram values
 266         only if present.
 267
 268 2019-06-10  Martin Liska  <mliska@suse.cz>
 269
 270         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 271         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 272         * ipa-profile.c (ipa_profile_generate_summary):
 273         Use get_most_common_single_value.
 274         * tree-profile.c (gimple_init_gcov_profiler):
 275         Instrument with __gcov_one_value_profiler_v2
 276         and __gcov_indirect_call_profiler_v4.
 277         * value-prof.c (dump_histogram_value):
 278         Print all values for HIST_TYPE_SINGLE_VALUE.
 279         (stream_out_histogram_value): Update assert for
 280         N values.
 281         (stream_in_histogram_value): Set number of
 282         counters for HIST_TYPE_SINGLE_VALUE.
 283         (get_most_common_single_value): New.
 284         (gimple_divmod_fixed_value_transform):
 285         Use get_most_common_single_value.
 286         (gimple_ic_transform): Likewise.
 287         (gimple_stringops_transform): Likewise.
 288         (gimple_find_values_to_profile): Set number
 289         of counters for HIST_TYPE_SINGLE_VALUE.
 290         * value-prof.h (get_most_common_single_value):
 291         New.
 292
 293 2019-06-10  Martin Liska  <mliska@suse.cz>
 294
 295         * hash-map.h: Pass default value to hash_table ctor.
 296         * hash-table.h: Add default value to call of a ctor.
 297
 298 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 299
 300         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 301         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 302
 303 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 304
 305         PR target/90751
 306         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 307         Call pa_output_function_label.
 308         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 309         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 310         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 311         to declaration.
 312         (pa_linux_output_function_prologue): Declare.
 313         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 314         (pa_output_function_label): New.
 315         (pa_output_function_prologue): Revise to use pa_output_function_label.
 316         (pa_linux_output_function_prologue): New.
 317         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 318
 319 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 320
 321         * tree-vrp.h (value_range_base::intersect): New.
 322         (value_range::intersect_helper): Move from here...
 323         (value_range_base::intersect_helper): ...to here.
 324         * tree-vrp.c (value_range::intersect_helper): Rename to...
 325         (value_range_base::intersect_helper): ...this, and rewrite to
 326         return a value instead of modifying THIS in place.
 327         Also, move equivalence handling...
 328         (value_range::intersect): ...here, while calling intersect_helper.
 329         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 330         calling intersect.
 331         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 332         Same.
 333         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 334
 335 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 336
 337         * Makefile.in (genprogerr): Add condmd.
 338         (genprog): Remove it here.
 339
 340 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 341
 342         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 343
 344 2019-06-07  Richard Biener  <rguenther@suse.de>
 345
 346         PR debug/90574
 347         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 348         that appear after user labels.
 349
 350 2019-06-07  Martin Liska  <mliska@suse.cz>
 351
 352         * cselib.c (cselib_init): Disable hash table
 353         sanitization.
 354         * hash-set.h: Pass new default argument to m_table.
 355         * hash-table.c: Add global variable with hash table
 356         sanitization limit.
 357         * hash-table.h (Allocator>::hash_table): Add new argument
 358         to ctor.
 359         (hashtab_chk_error): New.
 360         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 361         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 362         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 363
 364 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 365
 366         * common.opt (flto-odr-type-merging): Ignore.
 367         * invoke.texi (-flto-odr-type-merging): Remove.
 368         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 369         (can_be_vtable_hashed_p): Remove.
 370         (hash_odr_vtable): Remove.
 371         (odr_vtable_hasher::hash): Remove.
 372         (types_same_for_odr): Remove.
 373         (types_odr_comparable): Remove.
 374         (odr_vtable_hasher::equal): Remove.
 375         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 376         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 377         (get_odr_type): Do not use vtable hash.
 378         (dump_odr_type): Remove commented out code.
 379         (build_type_inheritance_graph): Do not allocate vtable hash.
 380         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 381         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 382         (odr_type_p): Likewise.
 383         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 384         test.
 385
 386 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 387
 388         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 389         immediately after same_types_for_tbaa_p returns -1 and continue
 390         looking for possible exact match; if matching types are arrays
 391         watch for partial overlaps.
 392         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 393         (indirect_refs_may_alias_p): Do type based disambiguation first;
 394         update comment.
 395
 396 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 397
 398         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 399
 400 2019-06-07  Martin Liska  <mliska@suse.cz>
 401
 402         * doc/invoke.texi: Remove param.
 403         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 404         Remove.
 405         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 406         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 407         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 408         * profile.c (instrument_values): Remove
 409         HIST_TYPE_INDIR_CALL_TOPN.
 410         * tree-profile.c (init_ic_make_global_vars):
 411         Always build __gcov_indirect_call only.
 412         (gimple_init_gcov_profiler): Remove usage
 413         of PARAM_INDIR_CALL_TOPN_PROFILE.
 414         (gimple_gen_ic_profiler): Likewise.
 415         * value-prof.c (dump_histogram_value): Likewise.
 416         (stream_in_histogram_value): Likewise.
 417         (gimple_indirect_call_to_profile): Likewise.
 418         (gimple_find_values_to_profile): Likewise.
 419         * value-prof.h (enum hist_type): Likewise.
 420
 421 2019-06-07  Martin Liska  <mliska@suse.cz>
 422
 423         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 424         function.
 425
 426 2019-06-07  Martin Liska  <mliska@suse.cz>
 427
 428         PR tree-optimization/78902
 429         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 430         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 431         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 432         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 433         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 434         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 435         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 436         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 437         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 438         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 439         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 440         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 441         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 442         New.
 443         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 444         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 445         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 446         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 447         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 448         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 449         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 450         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 451         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 452         warn_unused_result attribute.
 453         (BUILT_IN_STRDUP): Likewise.
 454         (BUILT_IN_STRNDUP): Likewise.
 455         (BUILT_IN_ALLOCA): Likewise.
 456         (BUILT_IN_CALLOC): Likewise.
 457         (BUILT_IN_MALLOC): Likewise.
 458         (BUILT_IN_REALLOC): Likewise.
 459
 460 2019-06-06  Jim Wilson  <jimw@sifive.com>
 461
 462         PR target/89955
 463         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 464         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 465         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 466
 467 2019-06-06  Martin Sebor  <msebor@redhat.com>
 468
 469         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 470         (handle_builtin_malloc): Remove trailing spaces.
 471         (handle_builtin_memset): Same.
 472         (handle_builtin_memcmp): Same.
 473         (compute_string_length): Same.
 474         (determine_min_objsize): Same.
 475         (handle_builtin_string_cmp): Same.
 476         (handle_char_store): Same.  Break up excessively long line.
 477
 478 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 479
 480         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 481         check.
 482
 483 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 484
 485         * tree-sra.c (struct access): New field grp_same_access_path.
 486         (dump_access): Dump it.
 487         (build_reconstructed_reference): New function.
 488         (build_ref_for_model): Use it if possible.
 489         (path_comparable_for_same_access): New function.
 490         (same_access_path_p): Likewise.
 491         (sort_and_splice_var_accesses): Set the new flag.
 492         (analyze_access_subtree): Likewise.
 493         (propagate_subaccesses_across_link): Propagate zero value of the new
 494         flag down the access tree.
 495
 496 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 497
 498         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 499         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 500         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 501         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 502         Add gfx906.
 503
 504 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 505
 506         PR tree-optimization/90332
 507         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 508         Handle VALS containing two vectors.
 509         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 510         to...
 511         (@aarch64_combinez<mode>): ... This.
 512         (*aarch64_combinez_be<mode>): Rename to...
 513         (@aarch64_combinez_be<mode>): ... This.
 514         (vec_init<mode><Vhalf>): New define_expand.
 515         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 516
 517 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 518
 519         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 520         library functions only when not optimizing for size.
 521         (ashlsi3): Likewise.
 522         (ashrhi3): Likewise.
 523         (ashrsi3): Likewise.
 524         (lshrhi3): Likewise.
 525         (lshrsi3): Likewise.
 526
 527 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 528
 529         PR rtl-optimization/88751
 530         * ira.c (ira): Use the number of the actually referenced registers
 531         when calculating the threshold.
 532
 533 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 534
 535         * configure: Regenerate.
 536
 537 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 538
 539         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 540         register if it is in memory, so the shift can be emulated with a rotate
 541         instruction.
 542         (ashrhi3): Likewise.
 543         (lshrhi3): Likewise.
 544
 545 2019-06-06  Martin Liska  <mliska@suse.cz>
 546
 547         PR tree-optimization/87954
 548         * match.pd: Simplify mult where both arguments are 0 or 1.
 549
 550 2019-06-06  Richard Biener  <rguenther@suse.de>
 551
 552         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 553         put equivalences on UNDEFINED ranges.
 554         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 555         Make sure to drop defs of stmts added during simplification
 556         to VARYING.
 557
 558 2019-06-06  Richard Biener  <rguenther@suse.de>
 559
 560         * tree-ssa-structalias.c: Include tree-cfg.h.
 561         (make_heapvar): Do not make heap vars artificial.
 562         (find_func_aliases_for_builtin_call): Handle stack allocation
 563         functions.
 564         (find_func_aliases): Delay processing of simple enough returns
 565         in non-IPA mode.
 566         (set_uids_in_ptset): Adjust.
 567         (find_what_var_points_to): Likewise.
 568         (solve_constraints): Do not dump points-to sets here.
 569         (compute_points_to_sets): Post-process return statements,
 570         amending the escaped solution.  Dump points-to sets afterwards.
 571         (ipa_pta_execute): Dump points-to sets.
 572
 573 2019-06-06  Martin Liska  <mliska@suse.cz>
 574
 575         PR web/87933
 576         * doc/install.texi: Fix HTML headers and
 577         titles for 'Installing GCC' pages.
 578
 579 2019-06-06  Martin Liska  <mliska@suse.cz>
 580
 581         * ipa-icf-gimple.h (dump_message_1): Remove.
 582         (dump_message): Likewise.
 583         (return_false_with_message_1): Print also file.
 584         (return_false_with_msg): Likewise.
 585         (return_with_result): Likewise.
 586         (return_with_debug): Likewise.
 587         * ipa-icf.c (sem_function::equals_private): Remove call
 588         to dump_message.
 589
 590 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 591
 592         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 593         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 594         memory operand for it.
 595         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 596
 597 2019-06-05  Martin Sebor  <msebor@redhat.com>
 598
 599         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 600         Adjust quoting and hyphenation.
 601         * convert.c (convert_to_real_1): Same.
 602         * gcc.c (driver_wrong_lang_callback): Same.
 603         (driver::handle_unrecognized_options): Same.
 604         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 605         * opts-common.c (cmdline_handle_error): Same.
 606         (read_cmdline_option): Same.
 607         * opts-global.c (complain_wrong_lang): Same.
 608         (print_ignored_options): Same.
 609         (handle_common_deferred_options): Same.
 610         * pretty-print.h: Same.
 611         * print-rtl.c (debug_bb_n_slim): Same.
 612         * sched-rgn.c (make_pass_sched_fusion): Same.
 613         * tree-cfg.c (verify_gimple_assign_unary): Same.
 614         (verify_gimple_label): Same.
 615         * tree-ssa-operands.c (verify_ssa_operands): Same.
 616         * varasm.c (do_assemble_alias): Same.
 617         (assemble_alias): Same.
 618
 619 2019-06-05  Richard Henderson  <rth@twiddle.net>
 620
 621         * config/alpha/alpha.c (direct_return): Move down after
 622         struct machine_function definition; use saved frame_size;
 623         return bool.
 624         (struct machine_function): Add sa_mask, sa_size, frame_size.
 625         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 626         (alpha_compute_frame_layout): ... new function.
 627         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 628         (alpha_initial_elimination_offset): Use saved sa_size.
 629         (alpha_vms_initial_elimination_offset): Likewise.
 630         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 631         (alpha_expand_prologue): Use saved frame data.  Merge integer
 632         and fp register save loops.
 633         (alpha_expand_epilogue): Likewise.
 634         (alpha_start_function): Use saved frame data.
 635         * config/alpha/alpha-protos.h (direct_return): Update.
 636         (alpha_sa_size): Remove.
 637
 638 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 639
 640         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 641         multiplication by a power-of-two value.
 642         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 643         and turn the modulo operation into a masking operation.
 644
 645 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 646
 647         PR debug/90733
 648         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 649         with VOIDmode inner operands.
 650
 651 2019-06-05  Richard Biener  <rguenther@suse.de>
 652
 653         PR middle-end/90726
 654         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 655         turn an expression graph into a tree.
 656
 657 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 658
 659         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 660         member.
 661         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 662         treat it like explicit monotonic schedule modifier.
 663         (expand_omp_for): Initialize has_lastprivate_conditional.
 664         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 665         schedule modifier.
 666
 667         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 668         references, lookup in in hash map MEM_REF operand instead of the
 669         MEM_REF itself.
 670         (lower_omp_1): When looking for lastprivate conditional assignments,
 671         handle MEM_REFs with REFERENCE_TYPE operands.
 672
 673         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 674         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 675         and references a VLA.  Handle references to non-VLAs if is_simd
 676         all privatization clauses like reductions.
 677         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 678         If omp_is_reference, use always omp simd arrays and set
 679         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 680         fails, emit reference initialization.
 681
 682 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 683
 684         PR target/89803
 685         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 686         _mm_mask_fpclass_sd_mask): New intrinsics.
 687         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 688         * config/i386/i386-builtin.def
 689         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 690         New builtins.
 691         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 692         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 693         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 694         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 695         case QI_FTYPE_V2SF_INT): Ditto.
 696         * config/i386/sse.md
 697         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 698         Extended to insnstructions with mask operands.
 699
 700 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 701
 702         * config/rs6000/constraints.md (define_register_constraint "wp"):
 703         Delete.
 704         (define_register_constraint "wq"): Delete.
 705         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 706         (rs6000_init_hard_regno_mode_ok): Adjust.
 707         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 708         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 709         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 710         (define_mode_attr VSa): Delete.
 711         (define_mode_attr VSisa): New.
 712         (rest of file): Adjust.
 713         * doc/md.texi (Machine Constraints): Adjust.
 714
 715 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 716
 717         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 718         (define_attr "enabled"): Handle those new isa values.
 719
 720 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 721
 722         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 723         (define_mode_attr VSr5): Delete.
 724         (define_mode_attr VStype_sqrt): Delete.
 725         (define_mode_iterator VSX_SPDP): Delete.
 726         (define_mode_attr VS_spdp_res): Delete.
 727         (define_mode_attr VS_spdp_insn): Delete.
 728         (define_mode_attr VS_spdp_type): Delete.
 729         (*vsx_sqrt<mode>2): Adjust.
 730         (vsx_<VS_spdp_insn>): Delete, split to...
 731         (vsx_xscvdpsp): ... this.  New.  And...
 732         (vsx_xvcvspdp): ... this.  New.  And...
 733         (vsx_xvcvdpsp): ... this.  New.
 734
 735 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 736
 737         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 738         and V2DF.
 739         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 740         (rest of file): Adjust.
 741
 742 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 743
 744         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 745         (vsx_extract_<mode>_var): Ditto.
 746
 747 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 748
 749         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 750         with just "wa".
 751
 752 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 753
 754         * config/rs6000/constraints.md (define_register_constraint "ww"):
 755         Delete.
 756         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 757         (rs6000_init_hard_regno_mode_ok): Adjust.
 758         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 759         RS6000_CONSTRAINT_ww.
 760         * config/rs6000/rs6000.md: Adjust.
 761         * config/rs6000/vsx.md: Adjust.
 762         * doc/md.texi (Machine Constraints): Adjust.
 763
 764 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 765
 766         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 767         (define_mode_attr sd): New.
 768         (define_mode_attr s): New.
 769         (define_mode_attr Ftrad): Delete.
 770         (define_mode_attr Fvsx): Delete.
 771         (define_mode_attr Fs): Delete.
 772         (rest of file): Use the new mode attributes.
 773         * config.rs6000/vsx.md: Use the new mode attributes.
 774
 775 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 776
 777         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 778         with just "wa".
 779
 780 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 781
 782         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 783         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 784         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 785
 786 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 787
 788         PR target/78263
 789         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 790         C++ with strict ANSI requirements.
 791
 792 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 793
 794         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 795         computations when step is 1.
 796
 797 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 798
 799         * config/rs6000/constraints.md (define_register_constraint "wf"):
 800         Delete.
 801         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 802         (rs6000_init_hard_regno_mode_ok): Adjust.
 803         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 804         RS6000_CONSTRAINT_wf.
 805         * config/rs6000/rs6000.md: Adjust.
 806         * config/rs6000/vsx.md: Adjust.
 807         * doc/md.texi (Machine Constraints): Adjust.
 808
 809 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 810
 811         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 812         Fix ILP32 value.
 813
 814 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 815
 816         * config/rs6000/constraints.md (define_register_constraint "wd"):
 817         Delete.
 818         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 819         (rs6000_init_hard_regno_mode_ok): Adjust.
 820         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 821         RS6000_CONSTRAINT_wd.
 822         * config/rs6000/rs6000.md: Adjust.
 823         * config/rs6000/vsx.md: Adjust.
 824         * doc/md.texi (Machine Constraints): Adjust.
 825
 826 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 827
 828         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 829         (rest of file): Adjust.
 830
 831 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 832
 833         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 834         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 835         (vsx_splat_<mode>_reg): Adjust.
 836
 837 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 838
 839         * config/rs6000/constraints.md (define_register_constraint "ws"):
 840         Delete.
 841         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 842         (rs6000_init_hard_regno_mode_ok): Adjust.
 843         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 844         RS6000_CONSTRAINT_ws.
 845         * config/rs6000/rs6000.md: Adjust.
 846         * config/rs6000/vsx.md: Adjust.
 847         * doc/md.texi (Machine Constraints): Adjust.
 848
 849 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 850
 851         * config/rs6000/constraints.md (define_register_constraint "wv"):
 852         Delete.
 853         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 854         (rs6000_init_hard_regno_mode_ok): Adjust.
 855         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 856         RS6000_CONSTRAINT_wv.
 857         * config/rs6000/rs6000.md: Adjust.
 858         * config/rs6000/vsx.md: Adjust.
 859         * doc/md.texi (Machine Constraints): Adjust.
 860
 861 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 862
 863         * config/rs6000/constraints.md (define_register_constraint "wi"):
 864         Delete.
 865         (define_register_constraint "wt"): 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_wi and RS6000_CONSTRAINT_wt.
 870         * config/rs6000/rs6000.md: Adjust.
 871         * config/rs6000/vsx.md: Adjust.
 872         * doc/md.texi (Machine Constraints): Adjust.
 873
 874 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 875
 876         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 877         const.
 878         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 879         default_elf_asm_output_external.
 880
 881 2019-06-04  Martin Liska  <mliska@suse.cz>
 882
 883         * ipa-icf.c (INCLUDE_LIST): Remove.
 884         (sem_item_optimizer::execute): Remove call to init_wpa.
 885         * ipa-icf.h (init_wpa): Remove.
 886
 887 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 888
 889         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 890         conditional on combined for simd.
 891         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 892         member.
 893         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 894         constructs, don't remove lastprivate_conditional_map, but instead set
 895         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 896         to parent construct temporaries.
 897         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 898         like !ctx->lastprivate_conditional_map.
 899         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 900         use up->outer context instead of up.
 901         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 902         gimple_omp_for_combined_p.
 903         (expand_omp_for_static_nochunk): Likewise.
 904         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 905         probably moved over into expand_omp_for_generic rather than being copied
 906         there.
 907
 908 2019-06-04  Martin Liska  <mliska@suse.cz>
 909
 910         * value-prof.c (dump_histogram_value): Fix typo.
 911         (gimple_mod_subtract_transform): Likewise.
 912
 913 2019-06-04  Richard Biener  <rguenther@suse.de>
 914
 915         PR middle-end/90726
 916         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 917         (tree_contains_chrecs): Likewise.
 918         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 919         exponential behaivor from ...
 920         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 921         ... here.
 922         (expression_expensive_p): Avoid exponential behavior and compute
 923         expanded size, rejecting any expansion.
 924         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 925         (idx_contains_abnormal_ssa_name_p): Likewise.
 926         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 927         (contains_abnormal_ssa_name_p): Simplify and use
 928         walk_tree_without_duplicates.
 929
 930 2019-06-04  Richard Biener  <rguenther@suse.de>
 931
 932         PR tree-optimization/90738
 933         Revert
 934         2019-06-03  Richard Biener  <rguenther@suse.de>
 935
 936         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 937         full reference tree and record in ref->ref.
 938         (vn_reference_lookup_3): Pass in original ref to
 939         ao_ref_init_from_vn_reference.
 940         (vn_reference_lookup): Likewise.
 941         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 942         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 943         Handle non-decl bases in the original reference.
 944
 945 2019-06-04  Martin Liska  <mliska@suse.cz>
 946
 947         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 948         number of references.
 949         (sem_item_optimizer::do_congruence_step):
 950         (sem_item_optimizer::worklist_push): Dump how references
 951         a class has.
 952         (sem_item_optimizer::worklist_pop): Use heap.
 953         (sem_item_optimizer::process_cong_reduction): Likewise.
 954         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 955
 956 2019-06-04  Martin Liska  <mliska@suse.cz>
 957
 958         * ipa-icf.h (struct sem_usage_pair_hash): New.
 959         (sem_usage_pair_hash::hash): Likewise.
 960         (sem_usage_pair_hash::equal): Likewise.
 961         (struct sem_usage_hash): Likewise.
 962         * ipa-icf.c (sem_item::sem_item): Initialize
 963         referenced_by_count.
 964         (sem_item::add_reference): Register a reference
 965         in ref_map and not in target->usages.
 966         (sem_item::setup): Remove initialization of
 967         dead vectors.
 968         (sem_item::~sem_item): Remove usage of dead vectors.
 969         (sem_item::dump): Remove dump of references.
 970         (sem_item_optimizer::sem_item_optimizer): Initialize
 971         m_references.
 972         (sem_item_optimizer::read_section): Remove useless
 973         dump.
 974         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 975         (sem_item_optimizer::build_graph): Pass m_references
 976         to ::add_reference.
 977         (sem_item_optimizer::verify_classes): Remove usage of dead
 978         vectors.
 979         (sem_item_optimizer::traverse_congruence_split): Return true
 980         when a class is split.
 981         (sem_item_optimizer::do_congruence_step_for_index): Use
 982         hash_map for look up of (sem_item *, index). That brings
 983         significant speed up.
 984         (sem_item_optimizer::do_congruence_step): Return true
 985         when a split is done.
 986         (congruence_class::is_class_used): Use referenced_by_count.
 987
 988 2019-06-04  Alan Modra  <amodra@gmail.com>
 989
 990         PR target/90689
 991         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 992         error.
 993
 994 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 995
 996         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 997         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 998         (rs6000_secondary_reload_simple_move): Adjust.
 999         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1000         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1001         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1002         comment.
1003         (power6x): Adjust.
1004         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1005         (floatunssi<mode>2_lfiwzx): Adjust.
1006         (fix_trunc<mode>si2_stfiwx): Adjust.
1007         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1008         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1009         (mfpgpr): Mark as deprecated.
1010         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1011         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1012         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1013
1014 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1015
1016         * config/rs6000/constraints.md (define_register_constraint "wg"):
1017         Delete.
1018         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1019         RS6000_CONSTRAINT_wg.
1020         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1021         (rs6000_init_hard_regno_mode_ok): Adjust.
1022         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1023         Delete "wg" alternatives.
1024         * doc/md.texi (Machine Constraints): Adjust.
1025
1026 2019-06-03  Alan Modra  <amodra@gmail.com>
1027
1028         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1029         (get_uncond_jump_length): Assert length less than INT_MAX and
1030         non-negative.
1031
1032 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1033
1034         PR middle-end/64242
1035         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1036         block.
1037         (expand_builtin_nonlocal_goto): Likewise.
1038
1039 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1040
1041         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1042         (aarch64_asm_output_external): Declare.
1043         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1044         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1045         (aarch64_asm_output_alias): New.
1046         (aarch64_asm_output_external): New.
1047         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1048         (ASM_OUTPUT_EXTERNAL): Define.
1049
1050 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1051         * tree-vrp.h (value_range_base::nonzero_p): New.
1052         (value_range_base::set_nonnull): Rename to...
1053         (value_range_base::set_nonzero): ...this.
1054         (value_range_base::set_null): Rename to...
1055         (value_range_base::set_zero): ...this.
1056         (value_range::set_nonnull): Remove.
1057         (value_range::set_null): Remove.
1058         * tree-vrp.c (range_is_null): Remove.
1059         (range_is_nonnull): Remove.
1060         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1061         instead of range_is_*null.
1062         (extract_range_from_unary_expr): Same.
1063         (value_range_base::set_nonnull): Rename to...
1064         (value_range_base::set_nonzero): ...this.
1065         (value_range::set_nonnull): Remove.
1066         (value_range_base::set_null): Rename to...
1067         (value_range_base::set_zero): ...this.
1068         (value_range::set_null): Remove.
1069         (extract_range_from_binary_expr): Rename set_*null uses to
1070         set_*zero.
1071         (extract_range_from_unary_expr): Same.
1072         (union_helper): Same.
1073         * vr-values.c (get_value_range): Use set_*zero instead of
1074         set_*null.
1075         (vr_values::extract_range_from_binary_expr): Same.
1076         (vr_values::extract_range_basic): Same.
1077
1078 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1079
1080         PR driver/90684
1081         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1082
1083 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1084
1085         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1086         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1087         (aarch64_<su>abd<mode>_3): ... This.
1088         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1089
1090 2019-06-03  Richard Biener  <rguenther@suse.de>
1091
1092         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1093         full reference tree and record in ref->ref.
1094         (vn_reference_lookup_3): Pass in original ref to
1095         ao_ref_init_from_vn_reference.
1096         (vn_reference_lookup): Likewise.
1097         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1098         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1099         Handle non-decl bases in the original reference.
1100
1101 2019-06-03  Martin Liska  <mliska@suse.cz>
1102
1103         * doc/generic.texi: Remove Java Trees.
1104
1105 2019-06-03  Martin Liska  <mliska@suse.cz>
1106
1107         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1108         returns 0 when operands are equal.
1109
1110 2019-06-03  Richard Biener  <rguenther@suse.de>
1111
1112         PR tree-optimization/90716
1113         * tree-loop-distribution.c (destroy_loop): Process blocks in
1114         correct order.
1115
1116 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1117
1118         PR target/88837
1119         * vector-builder.h (vector_builder::count_dups): New method.
1120         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1121         Declare prototype.
1122         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1123         (vec_init<mode><Vel>): New pattern.
1124         * config/aarch64/aarch64.c (emit_insr): New function.
1125         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1126         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1127         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1128         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1129
1130 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1131
1132         PR tree-optimization/90681
1133         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1134         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1135         special case for SLP, but fail on non-groupped loads.
1136
1137 2019-06-03  Martin Liska  <mliska@suse.cz>
1138
1139         * cfg.c (debug): Use TDF_DETAILS for debug and
1140         print edge info only once.
1141
1142 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1143
1144         PR fortran/90539
1145         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1146
1147 2019-06-01  Martin Sebor  <msebor@redhat.com>
1148
1149         PR middle-end/90694
1150         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1151
1152 2019-05-31  Jan Hubicka  <jh@suse.cz>
1153
1154         * alias.c: Include ipa-utils.h.
1155         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1156         * ipa-devirt.c (prevailing_odr_type): New.
1157         * ipa-utils.h (previaling_odr_type): Declare.
1158
1159 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1160             Hongtao Liu  <hongtao.liu@intel.com>
1161
1162         PR target/89355
1163         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1164         NOTE_INSN_DELETED_LABEL check.
1165
1166 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1167             Robert Suchanek  <robert.suchanek@mips.com>
1168
1169         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1170         and 3rd operands of the fmadd/fmsub/maddv builtin.
1171
1172 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1173
1174         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1175         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1176         on OMP_SIMD if not nested inside of worksharing loop that also has
1177         lastprivate conditional clause for the same decl.
1178         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1179         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1180         on simd.
1181         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1182         on simd construct.
1183         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1184         on simd construct.
1185         (lower_lastprivate_clauses): Likewise.
1186         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1187         calling lower_rec_input_clauses.
1188         (lower_omp_for): Likewise.
1189         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1190         clause on simd construct.
1191         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1192         OMP_CLAUSE__CONDTEMP_ clause is present.
1193
1194         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1195         ivar and lvar.
1196
1197 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1198
1199         PR c/43673
1200         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1201         TEX_D32, TEX_D64 or TEX_D128.
1202
1203 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1204
1205         * match.pd (~(vec?cst1:cst2)): New transformation.
1206
1207 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1208
1209         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1210         ((size_t)(A /[ex] B) CMP C): New transformation.
1211
1212 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1213
1214         * doc/md.texi: Document define_insn_and_rewrite.
1215         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1216         * gensupport.c (queue_elem): Update comment.
1217         (replace_operands_with_dups): New function.
1218         (gen_rewrite_sequence): Likewise.
1219         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1220         * read-rtl.c (apply_subst_iterator): Likewise.
1221         (add_condition_to_rtx, named_rtx_p): Likewise.
1222         (rtx_reader::read_rtx_operand): Likewise.
1223         * config/aarch64/aarch64-sve.md
1224         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1225         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1226         define_insn_and_rewrite.
1227         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1228         Remove separate define_split.
1229
1230 2019-05-31  Jan Hubicka  <jh@suse.cz>
1231
1232         * tree-ssa-alias.c (type_has_components_p): New function.
1233         (aliasing_component_refs_p): Use it.
1234
1235 2019-05-31  Martin Liska  <mliska@suse.cz>
1236
1237         * gdbhooks.py: Add const_tree to TreePrinter.
1238
1239 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1240
1241         PR debug/86964
1242         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1243         * doc/invoke.texi (Debugging Options): Document new default of
1244         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1245
1246 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1247
1248         PR tree-optimization/90671
1249         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1250         template_block used to be empty on the first call, don't use
1251         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1252         seq with bb_seq and set it with set_bb_seq.
1253
1254 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1255
1256         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1257
1258 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1259             Michael Meissner  <meissner@linux.ibm.com>
1260
1261         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1262         (prefixed_mem_operand): Likewise.
1263         (non_prefixed_mem_operand): Likewise.
1264         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1265         prototype.
1266         * config/rs6000/rs6000.c (print_operand_address): Handle
1267         PC-relative addresses.
1268         (mode_supports_prefixed_address_p): New function.
1269         (rs6000_prefixed_address): New function.
1270         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1271         (SYMBOL_REF_PCREL_P): Likewise.
1272
1273 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1274
1275         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1276         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1277         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1278         is nested inside of parallel region, add _condtemp_ clause to both.
1279         * tree-nested.c (convert_nonlocal_omp_clauses,
1280         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1281         assertion failure.
1282         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1283         member.
1284         * omp-general.c (omp_extract_for_data): Compute it.
1285         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1286         (lower_rec_input_clauses): Likewise.
1287         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1288         clause is already present, just add one further one after it.
1289         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1290         (lower_send_shared_vars): Clear _condtemp_ vars.
1291         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1292         or section or taskgroup.
1293         * omp-expand.c (determine_parallel_type): Disallow combining only if
1294         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1295         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1296         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1297         expand_omp_for_static_chunk, expand_omp_for): Use
1298         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1299         determine if a special set of API routines are needed and if condtemp
1300         needs to be initialized, while always initialize cond_var if
1301         fd->lastprivate_conditional is non-zero.
1302
1303 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1304             Michael Meissner  <meissner@linux.ibm.com>
1305
1306         * config/rs6000/constraints.md (eI): New constraint.
1307         * config/rs6000/predicates.md (cint34_operand): New predicate.
1308         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1309         (SIGNED_34BIT_OFFSET_P): Likewise.
1310         * doc/md.texi (eI): Document constraint.
1311
1312 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1313
1314         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1315
1316 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1317             Michael Meissner  <meissner@linux.ibm.com>
1318
1319         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1320         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1321         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1322         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1323         (OTHER_FUTURE_MASKS): Likewise.
1324         (POWERPC_MASKS): Likewise.
1325         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1326         specified without -mprefixed-addr or -mcpu=future.  Error if
1327         -mprefixed-addr is specified without -mcpu=future.
1328         (rs6000_opt_masks): Add entry for prefixed-addr.
1329         * rs6000.opt (mprefixed-addr): New option.
1330
1331 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1332
1333         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1334         cfun->is_thunk check.
1335
1336 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1337
1338         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1339         to length.
1340
1341 2019-05-30  Martin Liska  <mliska@suse.cz>
1342
1343         * gdbinit.in: Fix 'ptc' command.  Add trt
1344         that prints TREE_TYPE($).
1345
1346 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1347             Alan Modra  <amodra@gmail.com>
1348
1349         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1350         calls here...
1351         (rs6000_indirect_call_template_1): ...and here.
1352         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1353         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1354         rs6000_pltseq_enum.
1355         (rs6000_decl_ok_for_sibcall): New function.
1356         (rs6000_function_ok_for_sibcall): Refactor.
1357         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1358         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1359         when pcrel.  Reorganize.
1360         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1361         * rs6000.h (rs6000_pltseq_enum): New enum.
1362         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1363         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1364         (*pltseq_plt16_ha): Likewise.
1365         (*pltseq_plt16_lo): Likewise.
1366         (*pltseq_mtctr): Likewise.
1367         (*pltseq_plt_pcrel): New insn.
1368         (*call_local_aix): Handle @notoc calls.
1369         (*call_value_local_aix): Likewise.
1370         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1371         (*call_value_nonlocal_aix): Likewise.
1372         (*call_indirect_pcrel): New insn.
1373         (*call_value_indirect_pcrel): Likewise.
1374
1375
1376 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1377
1378         * config/i386/sse.md (*save_multiple<mode>): Rename from
1379         save_multiple<mode>.
1380         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1381         (*restore_multiple_and_return<mode>): Rename from
1382         restore_multiple_and_return<mode>.
1383         (*restore_multiple_leave_return<mode>): Rename from
1384         restore_multiple_leave_return<mode>.
1385
1386 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1387
1388         * config.gcc (rx-*-linux*): New target.
1389         * config/rx/elf.opt: New file.
1390         * config/rx/linux.h: Likewise.
1391         * config/rx/t-linux: Likewise.
1392         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1393         make it zero.
1394         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1395         (ASM_APP_OFF): Likewise.
1396         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1397         moved elsewhere.
1398
1399 2019-05-29  Jan Hubicka  <jh@suse.cz>
1400
1401         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1402         variants are pointer equivalent.
1403
1404 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1405
1406         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1407         * config/aarch64/aarch64-sve2.md: New file.
1408         (<u>avg<mode>3_floor): New pattern.
1409         (<u>avg<mode>3_ceil): Likewise.
1410         (*<sur>h<addsub><mode>): Likewise.
1411         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1412         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1413
1414 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR bootstrap/90543
1417         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1418         for var_opt_string printing.  In cl_optimization_print_diff, print
1419         (null) instead of invoking undefined behavior if one of the
1420         var_opt_string pointers is NULL and use && instead of first || in the
1421         guarding condition.  For var_target_other options, handle const char *
1422         target variables similarly to const char * optimize node variables.
1423
1424 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1425
1426         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1427         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1428         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1429         Add autib1716 and pacib1716 initialisation.
1430         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1431         for autib1716 and pacib1716.
1432         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1433         aarch64_post_cfi_startproc): Define.
1434         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1435         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1436         aarch64_handle_pac_ret_protection): Set default sign key to A.
1437         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1438         aarch64_expand_prologue): Add check for b-key.
1439         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1440         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1441         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1442         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1443         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1444         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1445         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1446         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1447         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1448         pauth_hint_num_a with pauth_hint_num.
1449         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1450         pauth_hint_num_a with pauth_hint_num.
1451         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1452         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1453         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1454         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1455         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1456         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1457         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1458         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1459         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1460         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1461         UNSPEC_AUTIA1716 respectively.
1462         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1463         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1464         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1465         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1466         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1467
1468 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1469
1470         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1471         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1472         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1473         explicit clause on combined parallel into implicit shared clause.
1474         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1475         and firstprivate if the decl has one too from combined parallel to
1476         the worksharing construct.
1477
1478 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1479             Michael Meissner  <meissner@linux.ibm.com>
1480
1481         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1482
1483 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1484
1485         * rtl.h (LABEL_REF_P): New #define.
1486
1487 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1488
1489         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1490
1491 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1492
1493         * internal-fn.c: Marked mask_load_direct as vectorizable.
1494         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1495         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1496         combined even if masks different with allow_slp_p param.
1497         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1498         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1499         dissolve SLP-only vectorizable groups when SLP has been discarded.
1500         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1501         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1502         masks.
1503         (vect_build_slp_tree_1): Fixed comment typo.
1504         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1505         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1506         loads for SLP only.
1507         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1508         vectorizable.
1509         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1510
1511 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1512
1513         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1514         Remove obsolete use_thunk reference.
1515         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1516         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1517         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1518         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1519         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1520         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1521         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1522         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1523         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1524
1525 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1526
1527         * tree.h (IDENTIFIER_ANON_P): New.
1528         (anon_aggrname_format, anon_aggname_p): Don't declare.
1529         (make_anon_name): Declare.
1530         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1531         (hash_tree): Likewise.
1532         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1533         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1534         (anon_cnt, make_anon_name): New.
1535
1536 2019-05-28  Martin Liska  <mliska@suse.cz>
1537
1538         PR other/90315
1539         * opts-global.c (decode_options): Print help for all
1540         help_option_arguments.
1541         * opts.c (print_help): Add new argument.
1542         (common_handle_option): Remember all values into
1543         help_option_arguments.
1544         * opts.h (print_help): Add new argument.
1545
1546 2019-05-28  Martin Liska  <mliska@suse.cz>
1547
1548         PR ipa/90555
1549         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1550         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1551         (func_checker::compare_bb): Call compare_loops.
1552
1553 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1554
1555         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1556         on sections construct.
1557         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1558         construct.
1559         (lower_omp_sections): Handle lastprivate conditional.
1560         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1561         lastprivate_conditional_map.
1562         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1563
1564         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1565         critical, taskgroup and section regions when looking for a region
1566         with non-NULL lastprivate_conditional_map.
1567
1568 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1569
1570         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1571         (*ix86_gen_sub3): Ditto.
1572         (*ix86_gen_sub3_carry): Ditto.
1573         (*ix86_gen_one_cmpl2): Ditto.
1574         (*ix86_gen_andsp): Ditto.
1575         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1576         (gen_and2_insn): New static function.
1577         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1578         Use gen_add3_insn instead of ix86_gen_add3.
1579         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1580         instead of ix86_gen_add3.
1581         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1582         Use gen_sub3_insn instead of ix86_gen_sub3.
1583         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1584         instead of ix86_gen_add3.
1585         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1586         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1587         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1588         * config/i386/i386-options.c (ix86_option_override_internal):
1589         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1590         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1591
1592 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1595         and DW_OP_GNU_const_index opcodes.
1596
1597 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1598
1599         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1600
1601 2019-05-27  Richard Biener  <rguenther@suse.de>
1602
1603         PR tree-optimization/90637
1604         * tree-ssa-sink.c (statement_sink_location): Honor the
1605         computed sink location for single-uses.
1606
1607 2019-05-27  Richard Biener  <rguenther@suse.de>
1608
1609         PR middle-end/90610
1610         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1611         a bit-insert.
1612
1613 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1614
1615         * config/i386/i386.md (@sub<mode>3_carry): Rename
1616         from sub<mode>3_carry.
1617         (@leave_<mode>): New expander.
1618         (*leave): Rename from leave.
1619         (*leave_rex64): Rename from leave_rex64.
1620         (@monitorx_<mode>): Rename from monitorx_<mode>.
1621         (@clzero_<mode>): Rename from clzero_<mode>.
1622         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1623         from sse3_monitor_<mode>.
1624         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1625         (*ix86_gen_leave): Ditto.
1626         (*ix86_gen_monitor): Ditto.
1627         (*ix86_gen_monitorx): Ditto.
1628         (*ix86_gen_clzero): Ditto.
1629         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1630         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1631         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1632         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1633         Use gen_sse3_monitor instead of ix86_gen_monitor.
1634         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1635         instead of ix86_gen_monitorx.
1636         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1637         instead of ix86_gen_clzero.
1638         * config/i386/i386-options.c (ix86_option_override_internal):
1639         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1640         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1641
1642 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1643
1644         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1645         Rename from tls_global_dynamic_64_<mode>.
1646         (@tls_local_dynamic_base_64_<mode>): Rename from
1647         tls_local_dynamic_base_64_<mode>.
1648         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1649         Remove indirect function.
1650         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1651         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1652         instead of ix86_gen_tls_global_dynamic_64.
1653         Use gen_tls_local_dynamic_base_64 instead of
1654         ix86_gen_tls_local_dynamic_base_64.
1655         * config/i386/i386-options.c (ix86_option_override_internal):
1656         Do not initialize ix86_gen_tls_global_dynamic_64 and
1657         ix86_gen_tls_local_dynamic_base_64.
1658
1659 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1660
1661         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1662         Rename from pro_epilogue_adjust_stack_<mode>_add.
1663         (@pro_epilogue_adjust_stack_sub_<mode>)
1664         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1665         (@allocate_stack_worker_probe_<mode>):
1666         Rename from allocate_stack_worker_probe_<mode>.
1667         (allocate_stack): Use gen_allocate_stack_worker_probe.
1668         (probe_stack): Use gen_probe_stack_1.
1669         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1670         (@adjust_stack_and_probe_<mode>): Rename from
1671         adjust_stack_and_probe<mode>.
1672         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1673         (stack_protect_set): Use gen_stack_protect_set_1.
1674         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1675         (stack_protect_test): Use gen_stack_protect_test_1.
1676         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1677         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1678         Remove indirect function.
1679         (*ix86_gen_adjust_stack_and_probe): Ditto.
1680         (*ix86_gen_probe_stack_range): Ditto.
1681         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1682         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1683         (ix86_adjust_stack_and_probe_stack_clash): Use
1684         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1685         (ix86_adjust_stack_and_probe): Ditto.
1686         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1687         of ix86_gen_probe_stack_range.
1688         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1689         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1690         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1691         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1692         CODE_FOR_stack_protect_test_{si,di}.
1693         * config/i386/i386-options.c (ix86_option_override_internal):
1694         Do not initialize ix86_gen_allocate_stack_worker,
1695         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1696
1697 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1698
1699         * doc/invoke.texi (Link Options): Many editorial changes around
1700         -flinker-output.
1701
1702 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1703
1704         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1705         pre-Solaris 11 referene and most Studio compiler details.
1706
1707 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1708
1709         PR target/90530
1710         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1711         DImode to SImode in floating-point registers on 64-bit target.
1712         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1713         register_operand in xmpyu patterns.
1714
1715 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1716
1717         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1718         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1719         OMP_CLAUSE__REDUCTEMP_.
1720         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1721         OMP_CLAUSE__CONDTEMP_.
1722         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1723         * tree-pretty-print.c (dump_omp_clause): Likewise.
1724         * tree-nested.c (convert_nonlocal_omp_clauses,
1725         convert_local_omp_clauses): Likewise.
1726         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1727         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1728         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1729         on OMP_FOR.
1730         (gimplify_omp_for): Warn and disable conditional modifier from
1731         lastprivate on loop iterators.
1732         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1733         member.
1734         * omp-general.c (omp_extract_for_data): Initialize it.
1735         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1736         member.
1737         (delete_omp_context): Delete it.
1738         (lower_lastprivate_conditional_clauses): New function.
1739         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1740         handle lastprivate conditional clauses.
1741         (lower_reduction_clauses): Add CLIST argument, emit it into
1742         the critical section if any.
1743         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1744         lower_reduction_clauses callers.
1745         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1746         to lower_lastprivate_clauses.
1747         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1748         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1749         clist into a critical section if not emitted there already by
1750         lower_reduction_clauses.
1751         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1752         callers.
1753         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1754         conditional variables.
1755         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1756         clause is present.
1757         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1758         expand_omp_for_static_chunk): Handle lastprivate conditional.
1759         (expand_omp_for): Handle fd.lastprivate_conditional like
1760         fd.have_reductemp.
1761
1762 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1763
1764         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1765         kernel does not exit cleanly.
1766         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1767
1768 2019-05-24  Jason Merrill  <jason@redhat.com>
1769
1770         Revert:
1771         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1772
1773 2019-05-24  Richard Biener  <rguenther@suse.de>
1774
1775         PR testsuite/90607
1776         * tree-loop-distribution.c (struct partition): Add location
1777         member.
1778         (partition_alloc): Initialize all fields.
1779         (generate_memset_builtin): Use the location recorded in the
1780         partition for the generated call.
1781         (generate_memcpy_builtin): Likewise.
1782         (classify_partition): Record the location of a single store
1783         as location for the partition.
1784
1785 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1786
1787         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1788         for lo-part.
1789
1790 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1791
1792         PR target/90588
1793         * common/config/aarch64/aarch64-common.c
1794         (aarch64_rewrite_selected_cpu): Change local temporary variable
1795         type from unsigned long to uint64_t.
1796         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1797         aarch64_get_extension_string_for_isa_flags): Change declaration to
1798         match new definition by replacing unsigned long with uint64_t.
1799
1800 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1801
1802         PR target/90568
1803         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1804         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1805         Handle stack_protect_test_<mode> codegen similarly to corresponding
1806         sub instruction.
1807
1808 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1809
1810        * config/i386/darwin.h: Reject -mfentry*.
1811        * doc/sourcebuild.texi: Document mfentry target support.
1812
1813 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1814
1815         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1816         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1817         false for PC-relative functions.
1818         (rs6000_output_function_prologue): Change called function name to
1819         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1820         name,1" for PC-relative functions.
1821         (rs6000_elf_declare_function_name): Change called function name to
1822         rs6000_global_entry_point_prologue_needed_p.
1823
1824 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1825
1826         PR target/90552
1827         * config/i386/i386.c (gen_rtx_cost):
1828         Use ix86_tune_cost instead of ix86_cost.
1829
1830 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1831             Michael Meissner  <meissner@linux.ibm.com>
1832             Segher Boessenkool  <segher@kernel.crashing.org>
1833
1834         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1835         OPTION_MASK_PCREL.
1836         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1837         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1838         (rs6000_fndecl_pcrel_p): Likewise.
1839         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1840         error if -mpcrel is requested without -mcpu=future.
1841         (rs6000_opt_masks): Add entry for pcrel.
1842         (rs6000_fndecl_pcrel_p): New function.
1843         (rs6000_pcrel_p): Likewise.
1844         * config/rs6000/rs6000.opt (mpcrel): New option.
1845         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1846
1847 2019-05-23  Jan Hubicka  <jh@suse.cz>
1848             Martin Liska  <mliska@suse.cz>
1849
1850         PR tree-optimization/90576
1851         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1852         poly_int_tree_p.
1853         (aliasing_component_refs_p): Fix three way size compare conditional;
1854         give up earlier in case we can not decide on equivalence.
1855
1856 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1857             Michael Meissner  <meissner@linux.ibm.com>
1858             Segher Boessenkool  <segher@kernel.crashing.org>
1859
1860         * config.gcc: Add future cpu.
1861         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1862         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1863         #define.
1864         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1865         (RS6000_CPU): New instantiation for future cpu.
1866         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1867         PROCESSOR_FUTURE.
1868         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1869         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1870         * config/rs6000/rs6000-tables.opt: Regenerate.
1871         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1872         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1873         (rs6000_machine_from_flags): Handle future cpu.
1874         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1875         PROCESSOR_POWER9 for now.
1876         (rs6000_adjust_cost): Likewise.
1877         (rs6000_issue_rate): Likewise.
1878         (rs6000_register_move_cost): Likewise.
1879         (rs6000_opt_masks): Add entry for future.
1880         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1881         (MASK_FUTURE): New #define.
1882         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1883         * config/rs6000/rs6000.opt (mfuture): New target option.
1884         * doc/invoke.texi (mcpu): Add future cpu.
1885
1886 2019-05-23  Martin Liska  <mliska@suse.cz>
1887
1888         PR c++/90587
1889         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1890         operation points to a temporary (pointed via tree_to_wide_ref)
1891         that is out of scope after the &.
1892
1893 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1894
1895         PR c++/90592
1896         * doc/extend.texi (Function Names): Add missing word.
1897
1898 2019-05-23  Richard Biener  <rguenther@suse.de>
1899
1900         PR tree-optimization/88440
1901         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1902         at -O[2s]+.
1903         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1904         generated call.
1905         (generate_memcpy_builtin): Likewise.
1906         (distribute_loop): Pass in whether to only distribute patterns.
1907         (prepare_perfect_loop_nest): Also allow size optimization.
1908         (pass_loop_distribution::execute): When optimizing a loop
1909         nest for size allow pattern replacement.
1910
1911 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR target/90568
1914         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1915         of xor.
1916
1917 2019-05-23  Martin Liska  <mliska@suse.cz>
1918
1919         PR sanitizer/90570
1920         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1921         expression similarly to gimplify_decl_expr.
1922
1923 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1924
1925         * cse.c (cse_dump_path): s/dump_file/f.
1926
1927 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1928
1929         PR c++/90462
1930         * diagnostic-format-json.cc: Include "selftest.h".
1931         (json_from_expanded_location): Only add "file" key for non-NULL
1932         file strings.
1933         (json_from_location_range): Don't add "start" and "finish"
1934         children if they are UNKNOWN_LOCATION.
1935         (selftest::test_unknown_location): New selftest.
1936         (selftest::test_bad_endpoints): New selftest.
1937         (selftest::diagnostic_format_json_cc_tests): New function.
1938         * json.cc (json::object::get): New function.
1939         (selftest::test_object_get): New selftest.
1940         (selftest::json_cc_tests): Call it.
1941         * json.h (json::object::get): New decl.
1942         * selftest-run-tests.c (selftest::run_tests): Call
1943         selftest::diagnostic_format_json_cc_tests.
1944         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1945         decl.
1946
1947 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1948             Andrew Stubbs  <amd@codesourcery.com>
1949
1950         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1951         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1952         (kernel): Rename to...
1953         (main_kernel): ... this.
1954         (load_image): Load _init_array and _fini_array kernels.
1955         (run): Add argument for kernel to run.
1956         (main): Run init_array_kernel before main_kernel, and
1957         fini_array_kernel after.
1958         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1959         amdgpu_hsa_kernel attribute on functions.
1960         (gcn_disable_constructors): Delete.
1961         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1962         * config/gcn/crt0.c (size_t): Define.
1963         (_init_array, _fini_array): New.
1964         (__preinit_array_start, __preinit_array_end,
1965         __init_array_start, __init_array_end,
1966         __fini_array_start, __fini_array_end): Declare weak references.
1967
1968 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1969
1970         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1971
1972 2019-05-22  Jason Merrill  <jason@redhat.com>
1973
1974         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1975
1976 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1977
1978         PR target/88483
1979         * config/i386/i386-options.c (ix86_init_machine_status): Set
1980         stack_frame_required to true.
1981         * config/i386/i386.c (ix86_get_frame_size): New function.
1982         (ix86_frame_pointer_required): Replace get_frame_size with
1983         ix86_get_frame_size.
1984         (ix86_compute_frame_layout): Likewise.
1985         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1986         stack_frame_required.
1987         (ix86_finalize_stack_frame_flags): Always call
1988         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1989         ix86_get_frame_size.
1990         * config/i386/i386.h (machine_function): Add stack_frame_required.
1991
1992 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1993
1994         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1995
1996 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1997
1998         * common/config/aarch64/aarch64-common.c
1999         (struct aarch64_option_extension, struct processor_name_to_arch,
2000         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2001         aarch64_contains_opt,
2002         aarch64_get_extension_string_for_isa_flags): Change type of
2003         variables storing flags to uint64_t.
2004         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2005         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2006         * config/aarch64/aarch64.c (struct processor,
2007         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2008         aarch64_validate_march, aarch64_override_options,
2009         aarch64_option_print, aarch64_handle_attr_isa_flags,
2010         aarch64_declare_function_name, aarch64_start_file): Make flag
2011         variables uint64_t.
2012         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2013         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2014         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2015         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2016         * config/aarch64/driver-aarch64.c
2017         (struct aarch64_arch_extension, struct aarch64_core_data,
2018         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2019         flag variables uint64_t.
2020         * doc/invoke.texi: Add documentation for new arguments.
2021
2022 2019-05-22  Richard Biener  <rguenther@suse.de>
2023
2024         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2025         rewrite ...
2026         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2027
2028 2019-05-22  Martin Liska  <mliska@suse.cz>
2029
2030         PR lto/90500
2031         * doc/extend.texi: Document the change.
2032
2033 2019-05-22  Richard Biener  <rguenther@suse.de>
2034
2035         PR tree-optimization/90450
2036         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2037         (mem_ref_hasher::equal): Check it.
2038         (mem_ref_alloc): Initialize it.
2039         (gather_mem_refs_stmt): Set it.
2040
2041 2019-05-22  Richard Biener  <rguenther@suse.de>
2042
2043         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2044         Add ABS_EXPR.
2045         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2046         as ABSU_EXPR.
2047
2048 2019-05-22  Alan Modra  <amodra@gmail.com>
2049
2050         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2051         (ASM_CPU_SPEC): Conditionally add -many.
2052         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2053         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2054         (rs6000_file_start): ..extracted from here, and modified to
2055         test all ISA bits.
2056         (rs6000_output_function_prologue): Emit .machine as necessary.
2057         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2058         power mnemonics.
2059         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2060         added by check_vect_support_and_set_flags.
2061         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2062         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2063
2064 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2065
2066         PR middle-end/90553
2067         * ira-lives.c (process_bb_node_lives): Consider defs
2068         for a call insn to be die before the call, not after.
2069
2070         * function.c (assign_parm_setup_block): Raise alignment of
2071         stacked parameter only for STRICT_ALIGNMENT targets.
2072
2073 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2074
2075         * config/rs6000/constraints.md (define_register_constraint "wz"):
2076         Delete.
2077         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2078         RS6000_CONSTRAINT_wz.
2079         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2080         (rs6000_init_hard_regno_mode_ok): Adjust.
2081         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2082         * doc/md.texi (Machine Constraints): Adjust.
2083
2084 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2085
2086         * config/rs6000/constraints.md (define_register_constraint "wl"):
2087         Delete.
2088         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2089         RS6000_CONSTRAINT_wl.
2090         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2091         (rs6000_init_hard_regno_mode_ok): Adjust.
2092         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2093         * doc/md.texi (Machine Constraints): Adjust.
2094
2095 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2096
2097         * config/rs6000/constraints.md (define_register_constraint "wm"):
2098         Delete.
2099         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2100         RS6000_CONSTRAINT_wm.
2101         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2102         (rs6000_init_hard_regno_mode_ok): Adjust.
2103         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2104         * doc/md.texi (Machine Constraints): Adjust.
2105
2106 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2107
2108         * config/rs6000/constraints.md (define_register_constraint "wk"):
2109         Delete.
2110         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2111         RS6000_CONSTRAINT_wk.
2112         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2113         (rs6000_init_hard_regno_mode_ok): Adjust.
2114         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2115         * doc/md.texi (Machine Constraints): Adjust.
2116
2117 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2118
2119         * config/rs6000/constraints.md (define_register_constraint "wj"):
2120         Delete.
2121         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2122         RS6000_CONSTRAINT_wj.
2123         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2124         (rs6000_init_hard_regno_mode_ok): Adjust.
2125         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2126         (VS_64dm): Delete.
2127         * config/rs6000/vsx.md: Ditto.
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 "wh"):
2133         Delete.
2134         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2135         RS6000_CONSTRAINT_wh.
2136         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2137         (rs6000_init_hard_regno_mode_ok): Adjust.
2138         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2139         * doc/md.texi (Machine Constraints): Adjust.
2140
2141 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2142
2143         PR target/90547
2144         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2145         Avoid calling gen_lowpart with CONST operand.
2146
2147 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2148
2149         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2150         field template_last_to_copy.
2151         (ssa_create_duplicates): Set it, and use it.  Attempt to
2152         preserve more debug stmts.
2153
2154 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2155
2156         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2157         (signbit<mode>2): New expander
2158
2159 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2160
2161         PR bootstrap/87338
2162         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2163         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2164
2165 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2166
2167         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2168         %ebx and %ecx bafore calling cpuid with leaf 1 or
2169         non-constant leaf argument.
2170
2171 2019-05-21  Alan Modra  <amodra@gmail.com>
2172
2173         PR target/90545
2174         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2175         power9 direct move cost.
2176         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2177         Correct comments and rename functions to suit parameters.
2178
2179 2019-05-21  Richard Biener  <rguenther@suse.de>
2180
2181         PR middle-end/90510
2182         * fold-const.c (fold_read_from_vector): New function.
2183         * fold-const.h (fold_read_from_vector): Declare.
2184         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2185         single-element insert permutations.  Canonicalize selector
2186         further and fix issue with last commit.
2187
2188 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2189
2190         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2191         parameter with default value false to declaration.
2192         (split_edges_for_insertion): New inline function.  Wrapper for
2193         split_critical_edges with for_edge_insertion_p = true.
2194         * tree-cfg.c (split_critical_edges): Don't split non-critical
2195         edges if for_edge_insertion_p is false.  Fix whitespace.
2196         * tree-ssa-pre.c (pass_pre::execute): Call
2197         split_edges_for_insertion instead of split_critical_edges.
2198         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2199         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2200         (pass_data_sink_code): Update function name in the comment.
2201
2202 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2203
2204         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2205         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2206         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2207         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2208         positives.
2209
2210 2019-05-21  Martin Liska  <mliska@suse.cz>
2211
2212         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2213         an extra newline.
2214         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2215         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2216         vec_lvsr.
2217         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2218         Quote a C type.
2219         (rs6000_function_arg): Likewise.
2220         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2221         (rs6000_expand_ternop_builtin): Use interval syntax.
2222         (get_element_number): Likewise.
2223         (altivec_expand_builtin): Likewise.
2224         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2225
2226 Fix test-suite.
2227
2228 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2229
2230         PR c++/59813
2231         PR target/90418
2232         * function.h (struct function): Add calls_eh_return member.
2233         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2234         gimplifying __builtin_eh_return call.
2235         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2236         to cfun.
2237         (expand_call_inline): Or in src_cfun->calls_eh_return into
2238         dst_cfun->calls_eh_return.
2239         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2240         cfun->calls_eh_return.
2241         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2242         * lto-streamer-out.c (output_struct_function_base): Write
2243         calls_eh_return.
2244
2245 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2246
2247         PR rtl-optimization/43147
2248         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2249         IX86_BUILTIN_SHUFPD.
2250
2251 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2252
2253         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2254         (refs_may_alias_p_1): ... here; update stats.
2255         (refs_may_alias_p): Do not update stats here.
2256
2257 2019-05-20  Richard Biener  <rguenther@suse.de>
2258
2259         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2260         doesn't produce pointers.
2261         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2262         the first operand points to.
2263
2264 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2265
2266         * tree-ssa-alias.c (compare_sizes): New function.
2267         (sompare_type_sizes): New function
2268         (aliasing_component_refs_p): Use it.
2269         (indirect_ref_may_alias_decl_p): Likewise.
2270
2271 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2272
2273         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2274
2275 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2276
2277         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2278         (LIBLSAN_EARLY_SPEC): Likewise.
2279         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2280
2281 2019-05-20  Martin Liska  <mliska@suse.cz>
2282
2283         * config/i386/i386.c (ix86_libc_has_fast_function):
2284         Add ATTRIBUTE_UNUSED for the argument.
2285
2286 2019-05-20  Richard Biener  <rguenther@suse.de>
2287
2288         * gimple-match-head.c: Include vec-perm-indices.h.
2289         * generic-match-head.c: Likewise.
2290         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2291         is included.
2292         * fold-const.c (fold_vec_perm): Export.
2293         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2294         (match.pd): ...here.
2295
2296 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2297
2298         * cfgloop.h (struct loop): Add simdlen member.
2299         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2300         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2301         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2302         as new argument to autovectorize_vector_sizes target hook.  If
2303         loop->simdlen, pick up vector size where the vectorization factor
2304         is equal to loop->simd, and if there is none, fall back to the first
2305         successful one.
2306         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2307         caller.
2308         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2309         * omp-general.c (omp_max_vf): Likewise.
2310         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2311         * tree-vect-slp.c (vect_slp_bb): Likewise.
2312         * target.def (autovectorize_vector_sizes): Add ALL argument and
2313         document it.
2314         * doc/tm.texi: Adjust documentation.
2315         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2316         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2317         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2318         bool argument.
2319         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2320         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2321         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2322         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2323         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2324         preferred vector size is not 512-bit or 256-bit, just put those
2325         unpreferred ones last.
2326
2327 2019-05-20  Martin Liska  <mliska@suse.cz>
2328
2329         * targhooks.c (default_libc_has_fast_function): New function.
2330         * targhooks.h (default_libc_has_fast_function): Likewise.
2331
2332 2019-05-20  Martin Liska  <mliska@suse.cz>
2333
2334         PR middle-end/90263
2335         * builtins.c (expand_builtin_memory_copy_args): When having a
2336         target with fast mempcpy implementation do now use memcpy.
2337         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2338         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2339         * doc/tm.texi: Likewise.
2340         * doc/tm.texi.in: Likewise.
2341         * target.def:
2342         * expr.c (emit_block_move_hints): Add 2 new arguments.
2343         * expr.h (emit_block_move_hints): Bail out when libcall
2344         to memcpy would be used.
2345
2346 2019-05-20  Martin Liska  <mliska@suse.cz>
2347
2348         * profile-count.c: Add vertical spacing in order
2349         to separate functions.
2350         * profile-count.h: Likewise.
2351
2352 2019-05-20  Martin Liska  <mliska@suse.cz>
2353
2354         * profile-count.h: Do not use full qualified
2355         names if possible.
2356         * profile-count.c (profile_count::to_frequency): Likewise.
2357
2358 2019-05-20  Martin Liska  <mliska@suse.cz>
2359
2360         * profile-count.h (enum profile_quality): Use capital letters
2361         for enum value names.  Use the adjusted names.
2362         * profile-count.c: Use the adjusted names.
2363
2364 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2365
2366         * config/rs6000/constraints.md (define_register_constraint "wH"):
2367         Delete.
2368         (define_register_constraint "wI"): Delete.
2369         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2370         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2371         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2372         (rs6000_init_hard_regno_mode_ok): Adjust.
2373         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2374         resp. "d", or with "wa" as appropriate, all with "p8v".
2375         * config/rs6000/vsx.md: Ditto.
2376         * doc/md.texi (Machine Constraints): Adjust.
2377
2378 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2379
2380         * config/rs6000/constraints.md (define_register_constraint "wy"):
2381         Delete.
2382         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2383         RS6000_CONSTRAINT_wy.
2384         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2385         (rs6000_init_hard_regno_mode_ok): Adjust.
2386         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2387         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2388         (define_mode_attr Fisa): New.
2389         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2390         * doc/md.texi (Machine Constraints): Adjust.
2391
2392 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2393
2394         * config/rs6000/constraints.md (define_register_constraint "wu"):
2395         Delete.
2396         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2397         RS6000_CONSTRAINT_wu.
2398         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2399         (rs6000_init_hard_regno_mode_ok): Adjust.
2400         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2401         both with "p8v".
2402         (define_mode_attr Fa): Delete.
2403         * config/rs6000/vsx.md: Ditto.
2404         * doc/md.texi (Machine Constraints): Adjust.
2405
2406 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2407
2408         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2409         Delete.
2410         (define_register_constraint "wK"): Delete.
2411         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2412         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2413         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2414         (rs6000_init_hard_regno_mode_ok): Adjust.
2415         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2416         Replace "wK" constraint by "wH" with "p9v".
2417         * config/rs6000/vsx.md: Ditto.
2418         * doc/md.texi (Machine Constraints): Adjust.
2419
2420 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2421
2422         * config/rs6000/constraints.md (define_register_constraint "wb"):
2423         Delete.
2424         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2425         RS6000_CONSTRAINT_wb.
2426         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2427         (rs6000_init_hard_regno_mode_ok): Adjust.
2428         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2429         * config/rs6000/vsx.md: Ditto.
2430         * doc/md.texi (Machine Constraints): Adjust.
2431
2432 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2433
2434         * config/rs6000/constraints.md (define_register_constraint "wo"):
2435         Delete.
2436         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2437         RS6000_CONSTRAINT_wo.
2438         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2439         (rs6000_init_hard_regno_mode_ok): Adjust.
2440         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2441         * config/rs6000/altivec.md: Ditto.
2442         * doc/md.texi (Machine Constraints): Adjust.
2443
2444 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2445
2446         * config/darwin-c.c (darwin_register_objc_includes): Do not
2447         prepend the sysroot when building gnu-runtime header search
2448         paths.
2449
2450 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2451
2452         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2453         instead of direct output of the asm.
2454
2455 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2456
2457         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2458         argument to be type bool (was int before).
2459         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2460         at first use.  Use type bool for some variables.  Fix a theoretical
2461         eh_return bug for svr4.
2462
2463 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2464
2465         * config/rs6000/rs6000.md (isa): New attribute.
2466         (enabled): New attribute.
2467
2468 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2469
2470         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2471         assemble_start_function and assemble_end_function.
2472
2473 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2474
2475         PR middle-end/89433
2476         * omp-general.c (oacc_verify_routine_clauses): Change formal
2477         parameters.  Add checking if already marked with an OpenACC
2478         'routine' directive.  Adjust all users.
2479
2480         PR middle-end/89433
2481         * omp-general.c (oacc_build_routine_dims): Move some of its
2482         processing into...
2483         (oacc_verify_routine_clauses): ... this new function.
2484         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2485
2486 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2487
2488         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2489         formating of picbase labels to match other ports.
2490
2491 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2492
2493         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2494         in the generated code.
2495
2496 2019-05-16  Martin Sebor  <msebor@redhat.com>
2497
2498         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2499         identifiers, keywords, operators, and types in diagnostics.  Correct
2500         quoting, spelling, and sentence capitalization issues.
2501         (expand_builtin_atomic_is_lock_free): Same.
2502         (fold_builtin_next_arg): Same.
2503         * cfgexpand.c (expand_one_var): Same.
2504         (tree_conflicts_with_clobbers_p): Same.
2505         (expand_asm_stmt): Same.
2506         (verify_loop_structure): Same.
2507         * cgraphunit.c (process_function_and_variable_attributes): Same.
2508         * collect-utils.c (collect_execute): Same.
2509         * collect2.c (maybe_run_lto_and_relink): Same.
2510         (is_lto_object_file): Same.
2511         (scan_prog_file): Same.
2512         * convert.c (convert_to_real_1): Same.
2513         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2514         * except.c (verify_eh_tree): Same.
2515         * gcc.c (execute): Same.
2516         (eval_spec_function): Same.
2517         (run_attempt): Same.
2518         (driver::set_up_specs): Same.
2519         (compare_debug_auxbase_opt_spec_function): Same.
2520         * gcov-tool.c (unlink_gcda_file): Same.
2521         (do_merge): Same.
2522         (do_rewrite): Same.
2523         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2524         * gimplify.c (gimplify_asm_expr): Same.
2525         (gimplify_adjust_omp_clauses): Same.
2526         * hsa-gen.c (gen_hsa_addr_insns): Same.
2527         (gen_hsa_insns_for_load): Same.
2528         (gen_hsa_cmp_insn_from_gimple): Same.
2529         (gen_hsa_insns_for_operation_assignment): Same.
2530         (gen_get_level): Same.
2531         (gen_hsa_alloca): Same.
2532         (omp_simple_builtin::generate): Same.
2533         (gen_hsa_atomic_for_builtin): Same.
2534         (gen_hsa_insns_for_call): Same.
2535         * input.c (dump_location_info): Same.
2536         * ipa-devirt.c (compare_virtual_tables): Same.
2537         * ira.c (ira_setup_eliminable_regset): Same.
2538         * lra-assigns.c (lra_assign): Same.
2539         * lra-constraints.c (lra_constraints): Same.
2540         * lto-streamer-in.c (lto_input_mode_table): Same.
2541         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2542         (merge_and_complain): Same.
2543         (compile_offload_image): Same.
2544         (compile_images_for_offload_targets): Same.
2545         (debug_objcopy): Same.
2546         (run_gcc): Same.
2547         (main): Same.
2548         * opts.c (print_specific_help): Same.
2549         (parse_no_sanitize_attribute): Same.
2550         (print_help): Same.
2551         (handle_param): Same.
2552         * plugin.c (add_new_plugin): Same.
2553         (parse_plugin_arg_opt): Same.
2554         (try_init_one_plugin): Same.
2555         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2556         operators, and types in diagnostics.  Correct quoting and spelling
2557         issues.
2558         * read-rtl-function.c (parse_edge_flag_token): Same.
2559         (function_reader::parse_enum_value): Same.
2560         * reg-stack.c (check_asm_stack_operands): Same.
2561         * regcprop.c (validate_value_data): Same.
2562         * sched-rgn.c (make_pass_sched_fusion): Same.
2563         * stmt.c (check_unique_operand_names): Same.
2564         * targhooks.c (default_target_option_pragma_parse): Same.
2565         * tlink.c (recompile_files): Same.
2566         * toplev.c (process_options): Same.
2567         (do_compile): Same.
2568         * trans-mem.c (diagnose_tm_1): Same.
2569         (ipa_tm_scan_irr_block): Same.
2570         (ipa_tm_diagnose_transaction): Same.
2571         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2572         format a tree code name in a diagnostic.
2573         (verify_types_in_gimple_min_lval): Same.
2574         (verify_types_in_gimple_reference): Same.
2575         (verify_gimple_call): Same.
2576         (verify_gimple_assign_unary): Same.
2577         (verify_gimple_assign_binary): Same.
2578         (verify_gimple_assign_ternary): Same.
2579         (verify_gimple_assign_single): Same.
2580         (verify_gimple_switch): Same.
2581         (verify_gimple_label): Same.
2582         (verify_gimple_phi): Same.
2583         (verify_gimple_in_seq): Same.
2584         (verify_eh_throw_stmt_node): Same.
2585         (collect_subblocks): Same.
2586         (gimple_verify_flow_info): Same.
2587         (do_warn_unused_result): Same.
2588         * tree-inline.c (expand_call_inline): Same.
2589         * tree-into-ssa.c (update_ssa): Same.
2590         * tree.c (tree_int_cst_elt_check_failed): Same.
2591         (tree_vec_elt_check_failed): Same.
2592         (omp_clause_operand_check_failed): Same.
2593         (verify_type_variant): Same.
2594         (verify_type): Same.
2595         * value-prof.c (verify_histograms): Same.
2596         * varasm.c (assemble_start_function): Same.
2597
2598 2019-05-16  Martin Sebor  <msebor@redhat.com>
2599
2600         * config/i386/i386-expand.c (get_element_number): Quote keywords
2601         and other internal names in diagnostics.  Adjust other diagnostic
2602         formatting issues noted by -Wformat-diag.
2603         * config/i386/i386-features.c
2604         (ix86_mangle_function_version_assembler_name): Same.
2605         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2606         * config/i386/i386.c (ix86_function_type_abi): Same.
2607         (ix86_function_ms_hook_prologue): Same.
2608         (classify_argument): Same.
2609         (ix86_expand_prologue): Same.
2610         (ix86_md_asm_adjust): Same.
2611         (ix86_memmodel_check): Same.
2612
2613 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2614
2615         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2616         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2617         and fpxx modes.
2618
2619 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2620
2621         PR target/90497
2622         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2623         intrinsics without SSE/SSE2/SSSE3.
2624         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2625         check.
2626         (*mmx_uavgv8qi3): Likewise.
2627
2628 2019-05-17  Richard Biener  <rguenther@suse.de>
2629
2630         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2631         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2632
2633 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2634
2635         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2636         vec_sldw insn pattern.
2637
2638 2019-05-17  Richard Biener  <rguenther@suse.de>
2639
2640         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2641
2642 2019-05-17  Martin Liska  <mliska@suse.cz>
2643
2644         PR driver/90496
2645         * toplev.c (output_stack_usage): With LTO and sanitizer it
2646         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2647         has no file location.
2648
2649 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2650
2651         PR c++/90484
2652         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2653         sz0 is equal to sz1, instead return false in that case.
2654
2655         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2656         has non-constant expression, force sctx.lane and use two
2657         argument IFN_GOMP_SIMD_LANE instead of single argument.
2658         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2659         two argument IFN_GOMP_SIMD_LANE without lhs.
2660         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2661         member.
2662         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2663         Define.
2664         (LOOP_REQUIRES_VERSIONING): Or in
2665         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2666         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2667         simd_if_cond.
2668         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2669         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2670         from simd if clause if needed.
2671
2672 2019-05-16  Richard Biener  <rguenther@suse.de>
2673
2674         * tree-affine.c (expr_to_aff_combination): New function split
2675         out from...
2676         (tree_to_aff_combination): ... here.
2677         (aff_combination_expand): Avoid building a GENERIC tree.
2678
2679 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2680
2681         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2682         assemble_start_function and assemble_end_function calls.
2683         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2684         assemble_start_function and assemble_end_function.
2685         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2686         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2687         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2688         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2689         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2690         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2691         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2692         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2693         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2694         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2695         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2696         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2697         Likewise.
2698         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2699         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2700         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2701         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2702         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2703         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2704         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2705         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2706         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2707         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2708         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2709         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2710         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2711         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2712         Likewise.
2713         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2714         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2715         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2716
2717 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2718
2719         * tree-ssa-alias.c (alias_stats): Add
2720         aliasing_component_refs_p_may_alias and
2721         aliasing_component_refs_p_no_alias.
2722         (dump_alias_stats): Print aliasing_component_refs_p stats.
2723         (aliasing_component_refs_p): Update stats.
2724
2725 2019-05-16  Martin Liska  <mliska@suse.cz>
2726
2727         PR lto/90500
2728         * multiple_target.c (expand_target_clones): Do not allow
2729         target_clones being used with a symbol that is an alias.
2730
2731 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2732
2733         PR tree-optimization/90394
2734         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2735         positives rather than ICE for cases where (code2 == NE_EXPR
2736         && code1 == BIT_AND_EXPR).
2737
2738 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2739
2740         PR fortran/90329
2741         * tree-core.h (struct tree_decl_common): Document
2742         decl_nonshareable_flag for PARM_DECLs.
2743         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2744         * calls.c (expand_call): Don't try tail call if caller
2745         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2746         passed on the stack and callee needs to pass any arguments on the
2747         stack.
2748         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2749         else if instead of series of mutually exclusive ifs.  Handle
2750         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2751         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2752
2753         * lto-streamer.h (LTO_major_version): Bump to 9.
2754
2755 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2756
2757         PR tree-optimization/90106
2758         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2759         new parameter as new internal function call, also move it to new
2760         basic block.
2761         (use_internal_fn): Pass internal function call to
2762         shrink_wrap_one_built_in_call_with_conds.
2763
2764 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2765
2766         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2767         max_vf to 1.
2768         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2769         safelen_int and set loop->dont_vectorize.
2770
2771 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2772
2773         PR target/89021
2774         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2775         SSE/SSE2/SSSE3.
2776         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2777         Likewise.
2778         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2779         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2780         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2781         is defined.
2782
2783 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2784
2785         PR target/89021
2786         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2787         define_insn_and_split to support SSE emulation.
2788         (*vec_extractv2sf_0): Likewise.
2789         (*vec_extractv2sf_1): Likewise.
2790         (*vec_extractv2si_0): Likewise.
2791         (*vec_extractv2si_1): Likewise.
2792         (*vec_extractv2si_zext_mem): Likewise.
2793         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2794         (vec_extractv2sf_1 splitter): Likewise.
2795         (vec_extractv2sfsf): Likewise.
2796         (vec_setv2si): Likewise.
2797         (vec_extractv2si_1 splitter): Likewise.
2798         (vec_extractv2sisi): Likewise.
2799         (vec_setv4hi): Likewise.
2800         (vec_extractv4hihi): Likewise.
2801         (vec_setv8qi): Likewise.
2802         (vec_extractv8qiqi): Likewise.
2803         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2804         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2805         (vec_extractv2sisi): Likewise.
2806         (vec_extractv4hihi): Likewise.
2807         (vec_extractv8qiqi): Likewise.
2808         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2809         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2810         (vec_initv2sisi): Likewise.
2811         (vec_initv4hihi): Likewise.
2812         (vec_initv8qiqi): Likewise.
2813         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2814         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2815         (vec_setv4hi): Likewise.
2816         (vec_setv8qi): Likewise.
2817
2818 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2819
2820         PR target/89021
2821         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2822         TARGET_MMX_WITH_SSE.
2823         (MMXMODE:*mov<mode>_internal): Likewise.
2824         (MMXMODE:movmisalign<mode>): Likewise.
2825
2826 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2827
2828         PR target/89021
2829         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2830         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2831         (sse2_cvtpd2pi): Ditto.
2832         (sse2_cvttpd2pi): Ditto.
2833         (*vec_concatv2sf_sse4_1): Ditto.
2834         (*vec_concatv2sf_sse): Ditto.
2835         (*vec_concatv2si_sse4_1): Ditto.
2836         (*vec_concatv2si): Ditto.
2837         (*vec_concatv4si_0): Ditto.
2838         (*vec_concatv2di_0): Ditto.
2839
2840 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2841
2842         PR target/89021
2843         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2844
2845 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2846
2847         PR target/89021
2848         * config/i386/sse.md (ssse3_palignrdi): Changed to
2849         define_insn_and_split to support SSE emulation.
2850
2851 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2852
2853         PR target/89021
2854         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2855
2856 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2857
2858         PR target/89021
2859         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2860         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2861         SSE emulation.
2862
2863 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2864
2865         PR target/89021
2866         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2867         or TARGET_MMX_WITH_SSE.
2868         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2869
2870 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2871
2872         PR target/89021
2873         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2874
2875 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2876
2877         PR target/89021
2878         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2879         Changed to define_insn_and_split to support SSE emulation.
2880
2881 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2882
2883         PR target/89021
2884         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2885         Changed to define_insn_and_split to support SSE emulation.
2886
2887 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2888
2889         PR target/89021
2890         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2891         (*mmx_<emms>): This.
2892         (mmx_<emms>): New expander.
2893
2894 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2895
2896         PR target/89021
2897         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2898         support.
2899         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2900
2901 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2902
2903         PR target/89021
2904         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2905
2906 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2907
2908         PR target/89021
2909         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2910
2911 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2912
2913         PR target/89021
2914         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2915         TARGET_MMX_WITH_SSE.
2916         (*mmx_uavgv4hi3): Add SSE emulation.
2917
2918 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2919
2920         PR target/89021
2921         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2922         and TARGET_MMX_WITH_SSE.
2923         (*mmx_uavgv8qi3): Add SSE emulation.
2924
2925 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2926
2927         PR target/89021
2928         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2929         maskmovdqu for __MMX_WITH_SSE__.
2930
2931 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2932
2933         PR target/89021
2934         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2935         TARGET_MMX and TARGET_MMX_WITH_SSE.
2936         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2937
2938 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2939
2940         PR target/89021
2941         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2942         define_insn_and_split to support SSE emulation.
2943
2944 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2945
2946         PR target/89021
2947         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2948         and TARGET_MMX_WITH_SSE.
2949         (mmx_<code>v8qi3): Likewise.
2950         (smaxmin:<code>v4hi3): New.
2951         (umaxmin:<code>v8qi3): Likewise.
2952         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2953         (umaxmin:*mmx_<code>v8qi3): Likewise.
2954
2955 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2956
2957         PR target/89021
2958         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2959         TARGET_MMX_WITH_SSE.
2960         (*mmx_pinsrw): Add SSE emulation.
2961
2962 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2963
2964         PR target/89021
2965         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2966
2967 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2968
2969         PR target/89021
2970         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2971         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2972         SSE emulation.
2973
2974 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2975
2976         PR target/89021
2977         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2978         (sse_cvttps2pi): Likewise.
2979
2980 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2981
2982         PR target/89021
2983         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2984         TARGET_MMX_WITH_SSE.
2985         (mmx_pshufw_1): Add SSE emulation.
2986         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2987         TARGET_MMX_WITH_SSE to support SSE emulation.
2988
2989 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2990
2991         PR target/89021
2992         * config/i386/constraints.md (Yw): New constraint.
2993         * config/i386/mmx.md (*vec_dupv2si): Changed to
2994         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2995         support SSE emulation.
2996
2997 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2998
2999         PR target/89021
3000         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3001         TARGET_MMX_WITH_SSE.
3002         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3003         support.
3004         (mmx_gt<mode>3): Likewise.
3005
3006 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3007
3008         PR target/89021
3009         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3010         TARGET_MMX_WITH_SSE.  Add SSE support.
3011
3012 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3013
3014         PR target/89021
3015         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3016         TARGET_MMX_WITH_SSE.
3017         (any_logic:<code><mode>3): New.
3018         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3019         Add SSE support.
3020
3021 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3022
3023         PR target/89021
3024         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3025         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3026         (mmx_<shift_insn><mode>3): Likewise.
3027         (ashr<mode>3): New.
3028         (<shift_insn><mode>3): Likewise.
3029
3030 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3031
3032         PR target/89021
3033         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3034         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3035
3036 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3037
3038         PR target/89021
3039         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3040         TARGET_MMX_WITH_SSE.
3041         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3042         SSE support.
3043
3044 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3045
3046         PR target/89021
3047         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3048         TARGET_MMX_WITH_SSE.
3049         (mulv4hi3): New.
3050         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3051         support.
3052
3053 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3054
3055         PR target/89021
3056         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3057         (plusminus:mmx_<plusminus_insn><mode>3): Check
3058         TARGET_MMX_WITH_SSE.
3059         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3060         (<plusminus_insn><mode>3): New.
3061         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3062         (*mmx_<plusminus_insn><mode>3): Likewise.
3063
3064 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3065
3066         PR target/89021
3067         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3068         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3069         prototype.
3070         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3071         define_insn_and_split to support SSE emulation.
3072         (mmx_punpcklbw): Likewise.
3073         (mmx_punpckhwd): Likewise.
3074         (mmx_punpcklwd): Likewise.
3075         (mmx_punpckhdq): Likewise.
3076         (mmx_punpckldq): Likewise.
3077
3078 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3079             Uros Bizjak  <ubizjak@gmail.com>
3080
3081         PR target/89021
3082         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3083         New function.
3084         (ix86_split_mmx_pack): Likewise.
3085         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3086         New prototype.
3087         (ix86_split_mmx_pack): Likewise.
3088         * config/i386/i386.md (mmx_isa): New.
3089         (enabled): Also check mmx_isa.
3090         * config/i386/mmx.md (any_s_truncate): New code iterator.
3091         (s_trunsuffix): New code attr.
3092         (mmx_packsswb): Removed.
3093         (mmx_packssdw): Likewise.
3094         (mmx_packuswb): Likewise.
3095         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3096         MMX packsswb/packuswb with SSE2.
3097         (mmx_packssdw): Likewise.
3098         * config/i386/predicates.md (register_mmxmem_operand): New.
3099
3100 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3101
3102         PR target/89021
3103         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3104         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3105         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3106         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3107         (ix86_vector_mode_supported_p): Likewise.
3108         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3109
3110 2019-05-15  Martin Liska  <mliska@suse.cz>
3111
3112         PR middle-end/90478
3113         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3114         Check for overflow.
3115
3116 2019-05-15  Richard Biener  <rguenther@suse.de>
3117
3118         * tree-into-ssa.c (pass_build_ssa::execute): Run
3119         update_address_taken before going into SSA.
3120
3121 2019-05-15  Richard Biener  <rguenther@suse.de>
3122
3123         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3124         as __BIT_FIELD_REF with type with -gimple.
3125
3126 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3127
3128         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3129         semantically equivalent branches (left over after prior refactorings).
3130
3131 2019-05-15  Richard Biener  <rguenther@suse.de>
3132
3133         PR tree-optimization/88828
3134         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3135         bogus check.
3136
3137 2019-05-14  Richard Biener  <rguenther@suse.de>
3138
3139         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3140         as __VIEW_CONVERT with -gimple.
3141
3142 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3143
3144         PR target/82920
3145         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3146         Darwin.
3147
3148 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3149
3150         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3151         define_split to become a define_insn_and_split.
3152
3153 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3154
3155         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3156         arguments.
3157         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3158         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3159         (sibcall_epilogue): Adjust.
3160         (epilogue): Adjust.
3161
3162 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3163
3164         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3165         to unsupported ones.
3166         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3167         * config.host: Likewise.
3168         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3169         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3170         __svr4__]: Remove "brand" fallback.
3171         [!KSTAT_DATA_STRING]: Remove.
3172         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3173         to *-*-solaris2*.
3174         (comdat_group): Likewise.
3175         (set_have_as_tls): Likewise.
3176         (gcc_cv_target_dl_iterate_phdr): Likewise.
3177         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3178         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3179         * configure: Regenerate.
3180         * doc/install.texi: Simplify Solaris target triplets.
3181         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3182         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3183         Remove Solaris 10 references.
3184         Remove obsolete Solaris bug reference.
3185         (Specific, sparc-sun-solaris2.10): Remove.
3186
3187 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3188
3189         * config/i386/i386.md (any_div): New code iterator.
3190         (paired_mod): New code attribute.
3191         (sgnprefix): Handle DIV and UDIV RTXes.
3192         (u): Ditto.
3193         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3194         and udivmod<mode>4 patterns using any_div code iterator.
3195         (divmod splitters): Macroize splitters using any_div code iterator.
3196         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3197         (*udivmodsi4_pow2_zext_2): Ditto.
3198         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3199         and *udivmod<mode>4_noext patterns using any_div code iterator.
3200         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3201         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3202         patterns using any_div code iterator.
3203         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3204         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3205         patterns using any_div code iterator.
3206         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3207         udivmodhiqi3 patterns using any_extend code iterator.
3208
3209 2019-05-14  Richard Biener  <rguenther@suse.de>
3210             H.J. Lu  <hongjiu.lu@intel.com>
3211
3212         PR tree-optimization/88828
3213         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3214         permuting in a single non-constant element not extracted
3215         from a vector.
3216
3217 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3218
3219         * internal-fn.def (SIGNBIT): New.
3220         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3221         defined.
3222         (signbitv4sf2): Likewise.
3223
3224 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3225
3226         PR target/90357
3227         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3228         next insn when the SRC reg is dead.
3229
3230 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3231
3232         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3233         (alloc_cand_and_find_basis): Ditto.
3234         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3235         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3236         (create_add_imm_cand, slsr_process_cast): Ditto.
3237         (slsr_process_copy, replace_mult_candidate): Ditto.
3238         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3239         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3240         (pass_strength_reduction::execute): Init the first NULL element.
3241
3242 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3243
3244         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3245         (run_attempt): Reformat line break.
3246
3247 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3248
3249         PR target/90418
3250         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3251         data registers in sibcall epilogues.
3252         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3253
3254 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3255
3256         PR target/89221
3257         * configure.ac (--enable-frame-pointer):
3258         Disable by default for cygwin and mingw.
3259         * configure: Regenerate.
3260
3261 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3262
3263         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3264         piece of code.
3265         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3266         (gen_member_die): Move abstract origin check earlier.  Only VARs
3267         can be static_inline_p.  Simplify splicing control flow.
3268
3269 2019-05-13  Richard Biener  <rguenther@suse.de>
3270
3271         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3272         VIEW_CONVERT_EXPR.
3273         (vect_build_slp_tree_1): Likewise.
3274
3275 2019-05-13  Richard Biener  <rguenther@suse.de>
3276
3277         PR tree-optimization/90402
3278         * tree-if-conv.c (tree_if_conversion): Value number only
3279         the loop body by making the latch an exit of the region
3280         as well.
3281         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3282         processing PHIs.
3283         (do_rpo_vn): Deal with multiple edges into the entry block
3284         that are not backedges inside the region by skipping PHIs
3285         of the entry block.
3286
3287 2019-05-13  Richard Biener  <rguenther@suse.de>
3288
3289         PR tree-optimization/90316
3290         * tree-ssa-pre.c (insert_aux): Fold into ...
3291         (insert): ... this function.  Use a RPO walk to reduce the
3292         number of required iterations.
3293
3294 2019-05-13  Martin Liska  <mliska@suse.cz>
3295
3296         PR tree-optimization/90416
3297         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3298         string instead of passing the second part as va_arg argument.
3299
3300 2019-05-13  Martin Liska  <mliska@suse.cz>
3301
3302         PR gcov-profile/90380
3303         * gcov.c (handle_cycle): Do not support zero cycle count,
3304         it should not be possible.
3305         (path_contains_zero_cycle_arc): New function.
3306         (circuit): Ignore zero cycle arc counts.
3307
3308 2019-05-13  Martin Liska  <mliska@suse.cz>
3309
3310         PR gcov-profile/90380
3311         * gcov.c (enum loop_type): Remove the enum and
3312         the operator.
3313         (handle_cycle): Assert that we should not reach
3314         a negative count.
3315         (circuit): Use loop_found instead of a tri-state loop_type.
3316         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3317         happen.
3318
3319 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3320
3321         PR target/82920
3322         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3323         (ix86_output_indirect_branch_via_reg): Use output mechanism
3324         accounting for __USER_LABEL_PREFIX__.
3325         (ix86_output_indirect_branch_via_push): Likewise.
3326         (ix86_output_function_return): Likewise.
3327         (ix86_output_indirect_function_return): Likewise.
3328
3329 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3330
3331         * doc/md.texi: Document use of code attributes in rtx patterns.
3332         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3333         * read-rtl.c (find_code): Split out search loops into...
3334         (maybe_find_code): ...this new function.
3335         (check_code_iterator): Make the error message more informative.
3336         (check_code_attribute): New function.
3337         (rtx_reader::rtx_alloc_for_name): Likewise.
3338         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3339         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3340         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3341         <max_opp> directly as an rtx code instead of via a match_operator.
3342         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3343         (<su>abd<mode>_3): Update accordingly.
3344
3345 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3346
3347         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3348         is given, print the state of the EH "save world" computation for
3349         Darwin.
3350
3351 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3352
3353         PR c++/59813
3354         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3355         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3356
3357 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3358
3359         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3360         Use pinsrd for TARGET_SSE4_1.
3361         * config/i386/sse.md (movdi_to_sse): Ditto.
3362
3363 2019-05-10  Richard Biener  <rguenther@suse.de>
3364
3365         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3366         (do_rpo_vn): Initialize next_value_id.
3367
3368 2019-05-10  Martin Liska  <mliska@suse.cz>
3369
3370         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3371         Fix plural form.
3372
3373 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3374
3375         PR tree-optimization/90385
3376         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3377         arguments of the exit phis.
3378
3379         PR c++/90383
3380         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3381         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3382         id->do_not_fold.
3383         (copy_tree_body_r): Likewise.
3384         (copy_fn): Set id.do_not_fold to true.
3385
3386 2019-05-10  Martin Liska  <mliska@suse.cz>
3387
3388         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3389         Reapply changes from r269790.
3390
3391 2019-05-10  Martin Liska  <mliska@suse.cz>
3392
3393         PR middle-end/90340
3394         * doc/invoke.texi: New params.
3395         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3396         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3397         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3398         Use it.
3399         * tree-switch-conversion.h (struct jump_table_cluster):
3400         Likewise.
3401
3402 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3403
3404         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3405
3406 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3407
3408         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3409
3410 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3411
3412         PR rtl-optimization/88879
3413         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3414
3415 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3416
3417         PR target/90405
3418         * config/arm/arm.c (callee_saved_reg_p): Move before
3419         thumb_find_work_register.
3420         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3421         thumb_find_work_register.  Only call df_get_live_out once.
3422         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3423         (thumb_find_work_register): Use
3424         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3425         algorithms to locate a spare call clobbered reg.
3426
3427 2019-05-09  Martin Liska  <mliska@suse.cz>
3428
3429         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3430         and MAX_EXPR in GIMPLE FE format.
3431
3432 2019-05-09  Martin Liska  <mliska@suse.cz>
3433
3434         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3435         * gimple-pretty-print.c (dump_gimple_bb_header):
3436         Dump BB count.
3437         (pp_cfg_jump): Dump edge probability.
3438         * profile-count.c (profile_quality_as_string): Simplify
3439         with a static array.
3440         (parse_profile_quality): New function.
3441         (profile_count::dump): Simplify with a static array.
3442         (profile_count::from_gcov_type): Add new argument.
3443         * profile-count.h (parse_profile_quality): Likewise.
3444         * predict.h (set_hot_bb_threshold): New.
3445         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3446         New param.
3447         * predict.c (get_hot_bb_threshold): Set from the new param.
3448         (set_hot_bb_threshold): New.
3449
3450 2019-05-09  Richard Biener  <rguenther@suse.de>
3451
3452         PR tree-optimization/90395
3453         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3454         rewrite vector stores that throw internally.
3455
3456 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3457
3458         * cif-code.def (CHKP): Remove.
3459
3460         PR target/89221
3461         * configure.ac (--enable-frame-pointer): Disable by default for
3462         GNU systems.
3463         * configure: Regenerate.
3464
3465 2019-05-09  Alan Modra  <amodra@gmail.com>
3466
3467         PR target/89271
3468         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3469         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3470         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3471         cost for general <-> vsx when direct moves are available.
3472         Cost union classes at minimal cost for any reg in the class.
3473         Correct calculation for moves between vsx, float, and altivec.
3474         Don't return a low cost for moves between special regs.  Don't
3475         use hard coded register numbers.
3476         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3477         (rs6000_ira_change_pseudo_allocno_class): New function.
3478         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3479         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3480         alternatives.
3481         (movsi_internal1): Don't disparage vector alternatives.
3482         (mov<mode>_internal): Likewise, excepting alternative that
3483         will be split.
3484         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3485         we <- b alternative.
3486
3487 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3488
3489         PR c++/59813
3490         PR tree-optimization/89060
3491         * tree-ssa-live.h (live_vars_map): New typedef.
3492         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3493         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3494         (struct compute_live_vars_data): New type.
3495         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3496         live_vars_at_stmt, destroy_live_vars): New functions.
3497         * tree-tailcall.c: Include tree-ssa-live.h.
3498         (live_vars, live_vars_vec): New global variables.
3499         (find_tail_calls): Perform variable life analysis before punting.
3500         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3501         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3502         member.
3503         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3504         Perform variable life analysis to select variables that really need
3505         clobbers added.
3506         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3507         instead set id->eh_landing_pad_dest and assert it is the same.
3508         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3509
3510 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3511             Richard Earnshaw  <rearnsha@arm.com>
3512
3513         PR target/88167
3514         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3515         function.
3516         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3517         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3518         register if both the epilogue and prologue can use call-clobbered
3519         regs.
3520         (thumb1_unexpanded_epilogue): Use
3521         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3522         picking temporaries for restoring high regs to match that of the
3523         prologue where possible.
3524         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3525         the list of work registers.  Detect if the return address is still live
3526         at the end of the prologue and avoid using it for a work register if so.
3527         If the return address is not live, add LR to the list of pushable regs
3528         after the first pass.
3529
3530 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3531
3532         PR tree-optimization/90078
3533         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3534         (INFTY): Increase the value for infinite cost.
3535         (struct comp_cost): Promote type of members to int64_t.
3536         (infinite_cost): Don't set complexity in initialization.
3537         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3538         overflows to infinite_cost.
3539         (adjust_setup_cost): Promote type of parameter and cost computation
3540         to int64_t.
3541         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3542         int64_t.
3543         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3544         cost computation to int64_t.
3545         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3546         int64_t's format specifier in dump.
3547
3548 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3549
3550         PR tree-optimization/90240
3551         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3552         with respect to scaling factor pre-computed for each basic block.
3553         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3554         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3555         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3556         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3557         live range for array of loop's basic blocks.  Cleanup aux field of
3558         loop's basic blocks.
3559
3560 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3561
3562         PR tree-optimization/90356
3563         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3564
3565 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3566
3567         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3568         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3569         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3570         (ix86_handle_option): Handle -mavx512bf16.
3571         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3572         to extra_headers.
3573         * config/i386/avx512bf16vlintrin.h: New.
3574         * config/i386/avx512bf16intrin.h: New.
3575         * config/i386/cpuid.h (bit_AVX512BF16): New.
3576         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3577         * config/i386/i386-builtin-types.def: Add new types.
3578         * config/i386/i386-builtin.def: Add new builtins.
3579         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3580         __AVX512BF16__.
3581         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3582         (ix86_option_override_internal): Handle BF16.
3583         (ix86_valid_target_attribute_inner_p): Ditto.
3584         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3585         * config/i386/i386-builtin.c (enum processor_features): Add
3586         F_AVX512BF16.
3587         (static const _isa_names_table isa_names_table): Ditto.
3588         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3589         (PTA_AVX512BF16): Ditto.
3590         * config/i386/i386.opt: Add -mavx512bf16.
3591         * config/i386/immintrin.h: Include avx512bf16intrin.h
3592         and avx512bf16vlintrin.h.
3593         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3594         avx512f_cvtneps2bf16_<mode><mask_name>,
3595         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3596         * config/i386/subst.md (mask_half): Add new subst.
3597         * doc/invoke.texi: Document -mavx512bf16.
3598
3599 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3600
3601         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3602         Delete declaration.
3603         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3604         (rs6000_debug_legitimize_reload_address): Delete.
3605         (rs6000_legitimize_reload_address_ptr): Delete.
3606         (rs6000_option_override_internal): Adjust.
3607         (mem_operand_gpr): Adjust comment.
3608         (legitimate_lo_sum_address_p): Ditto.
3609         (rs6000_legitimize_reload_address): Delete.
3610         (rs6000_debug_legitimize_reload_address): Delete.
3611         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3612
3613 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3614
3615         PR target/89765
3616         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3617         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3618         to compute vector element selector for both constant and variable
3619         operands.
3620
3621 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3622
3623         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3624         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3625         ashrdi3_cvt using SWI48 mode iterator.
3626
3627 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3628
3629         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3630         (aarch64_<su>abd<mode>_3): Likewise.
3631         (*aarch64_<su>abd<mode>_3): New define_insn.
3632         (<sur>sad<vsi2qi>): New define_expand.
3633         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3634         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3635         (build_vect_cond_expr): Likewise.
3636
3637 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3638
3639         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3640         clobbers outside of accessible_reg_set.
3641         * config/i386/i386.c (ix86_conditional_register_usage):
3642         Disable register sets by clearing corresponding bits in
3643         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3644         call_used_regs and don't clear corresponding reg_names array members.
3645
3646 2019-05-07  Richard Biener  <rguenther@suse.de>
3647
3648         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3649         not specified still compute a comp_vectype for invariant
3650         compares.
3651
3652 2019-05-07  Richard Biener  <rguenther@suse.de>
3653
3654         PR tree-optimization/90316
3655         * tree-ssa-pre.c (translate_vuse_through_block): When
3656         same_valid is NULL do not bother to search for a virtual
3657         PHI continuation.
3658         (phi_translate_1): When operands changed we cannot keep
3659         the same value-number so do not bother to ask whether
3660         that's possible from translate_vuse_through_block.
3661
3662 2019-05-07  Martin Liska  <mliska@suse.cz>
3663
3664         * bitmap.c (bitmap_register): Come up with
3665         alloc_descriptor_max_uid and assign it for
3666         a new bitmap.
3667         (register_overhead): Use get_descriptor as
3668         a descriptor.
3669         (release_overhead): New.
3670         (bitmap_elem_to_freelist): Call it.
3671         (bitmap_elt_clear_from): Likewise.
3672         (bitmap_obstack_free): Likewise.
3673         (bitmap_move): Sensitively release memory.
3674         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3675         (bitmap_initialize): Initialize alloc_descriptor to zero.
3676         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3677
3678 2019-05-07  Richard Biener  <rguenther@suse.de>
3679
3680         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3681         we build a SLP node.  Remove max_size and limiting.
3682         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3683
3684 2019-05-07  Richard Biener  <rguenther@suse.de>
3685
3686         PR tree-optimization/90316
3687         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3688         limit by reference.
3689         (walk_non_aliased_vuses): Take walking limit argument.
3690         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3691         walking if it is reached instead of just counting.
3692         (get_continuation_for_phi): Likewise.
3693         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3694         limiting to the callback.
3695         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3696         (vn_reference_lookup_3): Likewise.
3697         (vn_reference_lookup_pieces): Likewise.
3698         (vn_reference_lookup): Likewise.
3699         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3700         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3701         (avail_exprs_stack::lookup_avail_expr): Likewise.
3702
3703 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3704
3705         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3706         for comparaible types in the second direction even if first one
3707         hits incomparable type.
3708
3709 2019-05-07  Richard Biener  <rguenther@suse.de>
3710
3711         PR lto/90369
3712         * lto-wrapper.c (debug_objcopy): Use the original filename
3713         including archive offset for the filename used for -save-temps.
3714
3715 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3716
3717         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3718         detection.
3719
3720 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3721             Hongtao Liu  <hongtao.liu@intel.com>
3722
3723         PR target/89750
3724         PR target/86444
3725         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3726         Modified, original implementation isn't correct.
3727
3728 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3729
3730         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3731         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3732         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3733         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3734         (FRAME_POINTER_REGNUM): Change numbering.
3735         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3736         (alt_reg_names): Adjust.
3737         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3738         fixed.
3739         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3740         (DWARF_FRAME_REGISTERS): Delete.
3741         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3742         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3743         Adjust.
3744         (REG_ALLOC_ORDER): Adjust.
3745         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3746         (REG_CLASS_CONTENTS): Adjust.
3747         (RETURN_ADDR_RTX): Change comment.
3748         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3749         instead of 67.
3750         (REGISTER_NAMES): Adjust.
3751         (ADDITIONAL_REGISTER_NAMES): Adjust.
3752         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3753
3754 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3755
3756         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3757         Delete.
3758         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3759         (DWARF_FRAME_REGISTERS): Adjust.
3760         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3761         Adjust.
3762         (REG_ALLOC_ORDER): Adjust.
3763         (enum reg_class): Delete SPR_REGS.
3764         (REG_CLASS_NAMES): Delete SPR_REGS.
3765         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3766         (REGISTER_NAMES): Adjust.
3767         (ADDITIONAL_REGISTER_NAMES): Adjust.
3768         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3769         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3770         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3771         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3772         (htm_spr_regno): Delete.
3773         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3774         argument.
3775         (rs6000_dbx_register_number): Adjust.
3776
3777 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3778
3779         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3780
3781 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3782
3783         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3784         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3785
3786 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3787
3788         PR tree-optimization/88709
3789         PR tree-optimization/90271
3790         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3791         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3792         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3793         variable.
3794         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3795         of the store merging group is larger than
3796         PARAM_STORE_MERGING_MAX_SIZE parameter.
3797         (split_group): Add bzero_first argument.  If set, always emit first
3798         the first store which must be = {} of the whole area and then for the
3799         rest of the stores consider all zero bytes as paddings.
3800         (imm_store_chain_info::output_merged_store): Check if first store
3801         is = {} of the whole area and if yes, determine which setting of
3802         bzero_first for split_group gives smaller number of stores.  Adjust
3803         split_group callers.
3804         (lhs_valid_for_store_merging_p): Allow decls.
3805         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3806         no elts.
3807         (pass_store_merging::process_store): Likewise.
3808
3809 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3810
3811         PR target/89424
3812         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3813         handling of V1TImode.
3814
3815 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3816
3817         PR target/89221
3818         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3819         and enable_frame_pointer ...
3820         * configure.ac: ... here.  Update help strings for
3821         --enable-frame-pointer.
3822         * configure: Regenerate.
3823         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3824         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3825         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3826         (USE_X86_64_FRAME_POINTER): Ditto.
3827
3828 2019-05-06  Martin Liska  <mliska@suse.cz>
3829
3830         * config.gcc: Append to target_gtfiles and fix indentation.
3831
3832 2019-05-06  Richard Biener  <rguenther@suse.de>
3833
3834         PR tree-optimization/90358
3835         * tree-vect-stmts.c (get_group_load_store_type): Properly
3836         detect unused upper half of load.
3837         (vectorizable_load): Likewise.
3838
3839 2019-05-06  Richard Biener  <rguenther@suse.de>
3840
3841         PR tree-optimization/88828
3842         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3843         (simplify_vector_constructor): ...here.  Handle constants in
3844         the constructor.
3845
3846 2019-05-06  Richard Biener  <rguenther@suse.de>
3847
3848         PR tree-optimization/90328
3849         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3850         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3851         is valid in the loop nest before using it.
3852         (initialize_data_dependence_relation): Adjust.
3853         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3854         loop as loop-nest to dr_may_alias_p.
3855
3856 2019-05-06  Richard Biener  <rguenther@suse.de>
3857
3858         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3859
3860 2019-05-06  Richard Biener  <rguenther@suse.de>
3861
3862         PR tree-optimization/90316
3863         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3864         compute target on demand.
3865         (get_continuation_for_phi): Remove code walking stmts to
3866         get to a target virtual operand which could end up being
3867         quadratic.
3868
3869 2019-05-06  Martin Liska  <mliska@suse.cz>
3870
3871         PR sanitizer/90312
3872         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3873         when -mabi is selected to a non-default version.
3874
3875 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3876             Martin Liska  <mliska@suse.cz>
3877
3878         * Makefile.in: Add lto-dump.texi.
3879         * cgraph.h: Add new functions get_visibility_string and
3880         get_symtab_type_string.
3881         * doc/gcc.texi: Include lto-dump section.
3882         * doc/lto-dump.texi: New file.
3883         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3884         (parse_dump_option): Factor out this function.
3885         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3886         (parse_dump_option): Export the function.
3887         * symtab.c (symtab_node::get_visibility_string): New function.
3888         (symtab_node::get_symtab_type_string): Likewise.
3889
3890 2019-05-06  Martin Liska  <mliska@suse.cz>
3891
3892         * config/i386/i386-builtins.c: New file.
3893         * config/i386/i386-builtins.h: New file.
3894         * config/i386/i386-expand.c: New file.
3895         * config/i386/i386-expand.h: New file.
3896         * config/i386/i386-features.c: New file.
3897         * config/i386/i386-features.h: New file.
3898         * config/i386/i386-options.c: New file.
3899         * config/i386/i386-options.h: New file.
3900         * config.gcc: Add new files into extra_objs and
3901         target_gtfiles.
3902         * config/i386/i386.c: Split content of the file
3903         into newly introduced files.
3904         * config/i386/i386.h: Declare common variables
3905         and macros.
3906         * config/i386/t-i386: Define dependencies for new files.
3907
3908 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3909
3910         PR target/89400
3911         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3912         Restrict 'all' variant to 32-bit configurations.
3913         (unaligned_loadhiu): Likewise.
3914         (unaligned_storehi): Likewise.
3915         (unaligned_storesi): Likewise.
3916         (unaligned_loadhis): Disable when compiling for thumb1.
3917
3918 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3919
3920         PR tree-optimization/90269
3921         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3922         Ignore clobbers.
3923
3924 2019-05-03  Martin Liska  <mliska@suse.cz>
3925
3926         * hash-map.h: Add is_empty function.
3927         * hash-set.h: Likewise.
3928         * hash-table.h: Likewise.
3929         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3930         elements () == 0 (and similar usages).
3931         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3932         * gimplify.c (gimplify_bind_expr): Likewise.
3933         (gimplify_switch_expr): Likewise.
3934         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3935         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3936         * postreload-gcse.c (dump_hash_table): Likewise.
3937         (gcse_after_reload_main): Likewise.
3938         * predict.c (combine_predictions_for_bb): Likewise.
3939         * tree-parloops.c (reduction_phi): Likewise.
3940         (separate_decls_in_region): Likewise.
3941         (transform_to_exit_first_loop): Likewise.
3942         (gen_parallel_loop): Likewise.
3943         (gather_scalar_reductions): Likewise.
3944         (try_create_reduction_list): Likewise.
3945         * var-tracking.c (dump_vars): Likewise.
3946         (emit_notes_for_changes): Likewise.
3947         (vt_emit_notes): Likewise.
3948
3949 2019-05-03  Richard Biener  <rguenther@suse.de>
3950
3951         PR tree-optimization/90316
3952         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3953         before running VN.
3954
3955 2019-05-03  Richard Biener  <rguenther@suse.de>
3956
3957         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3958         peeling for gaps by loading only lower halves of vectors
3959         if possible.
3960         (vectorizable_load): Likewise.
3961
3962 2019-05-03  Richard Biener  <rguenther@suse.de>
3963
3964         PR middle-end/89518
3965         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3966
3967 2019-05-03  Richard Biener  <rguenther@suse.de>
3968
3969         PR middle-end/87314
3970         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3971         Handle STRING_CST vs DECL or STRING_CST.
3972
3973 2019-05-03  Richard Biener  <rguenther@suse.de>
3974
3975         PR tree-optimization/88963
3976         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3977         vector loads feeding only BIT_FIELD_REFs to component
3978         loads.  Rewrite stores fed by CONSTRUCTORs to component
3979         stores.
3980
3981 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3982
3983         * opts.h (finish_options): Remove lang_mask argument.
3984         (print_help, help_option_argument): Declare.
3985         * opts.c (print_help): Remove forward declaration, no longer static.
3986         (finish_options): Remove lang_mask argument, don't call print_help
3987         here.
3988         * opts-global.c (decode_options): Adjust finish_option caller, call
3989         print_help here.
3990
3991         PR tree-optimization/90303
3992         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3993         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3994
3995 2019-05-03  Richard Biener  <rguenther@suse.de>
3996
3997         PR tree-optimization/89698
3998         * gimple-fold.c (canonicalize_constructor_val): Early out
3999         for constants, handle unfolded INTEGER_CSTs as they appear in
4000         C++ virtual table ctors.
4001
4002 2019-05-03  Richard Biener  <rguenther@suse.de>
4003
4004         * passes.c (execute_function_todo): Remove dead code.
4005
4006 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4007
4008         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4009         the internal register number, for any "real" register.
4010
4011 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4012
4013         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4014         correct numbers for TFHAR, TFIAR, TEXASR.
4015
4016 2019-05-02  Richard Biener  <rguenther@suse.de>
4017
4018         PR tree-optimization/89653
4019         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4020         update-address-taken before the pass.
4021         * passes.def (pass_tree_loop_init): Put comment before it.
4022
4023 2019-05-02  Richard Biener  <rguenther@suse.de>
4024
4025         PR tree-optimization/89509
4026         * tree-ssa-structalias.c (compute_dependence_clique): Look
4027         at the first subvar when determining whether it is restrict.
4028
4029 2019-05-02  Richard Biener  <rguenther@suse.de>
4030
4031         PR tree-optimization/90273
4032         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4033         useless debug stmts.
4034
4035 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4036
4037         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4038         ACLE branch.
4039         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4040         SVE ACLE branch.
4041         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4042         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4043         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4044         (vectorizable_reduction): Use the functions above to vectorize in a
4045         fully masked loop codes that don't have a conditional internal
4046         function.
4047
4048 2019-05-02  Martin Liska  <mliska@suse.cz>
4049
4050         * cgraphclones.c: Call valid_attribute_p with 1 for
4051         target_clone.
4052         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4053         it's for target attribute.
4054         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4055         Add new boolean argument.
4056         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4057         Likewise.
4058         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4059         to ix86_valid_target_attribute_inner_p.
4060         (ix86_valid_target_attribute_p): Pass flags argument to
4061         ix86_valid_target_attribute_inner_p.
4062         (get_builtin_code_for_version): Use 0 as it's target attribute.
4063
4064 2019-05-02  Martin Liska  <mliska@suse.cz>
4065
4066         * gcc.c (process_command): Add dummy file only
4067         if n_infiles == 0.
4068         * opts-global.c (decode_options): Pass lang_mask.
4069         * opts.c (print_help): New function.
4070         (finish_options): Print --help if help_option_argument
4071         is set.
4072         (common_handle_option): Factor out content of OPT__help_
4073         into print_help.
4074         * opts.h (finish_options): Add new argument.
4075
4076 2019-05-02  Martin Liska  <mliska@suse.cz>
4077
4078         PR target/88809
4079         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4080         With -minline-all-stringops use inline expansion using 4B loop.
4081         * doc/invoke.texi: Document the change of
4082         -minline-all-stringops.
4083
4084 2019-05-01  Jeff Law  <law@redhat.com>
4085
4086         PR tree-optimization/88797
4087         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4088         PHI feeds a conditional on the RHS of an assignment.
4089
4090 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4091             Jim Wilson  <jimw@sifive.com>
4092
4093         * config/riscv/constraints.md (L): New.
4094         * config/riscv/predicates.md (lui_operand): New.
4095         (sfb_alu_operand): New.
4096         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4097         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4098         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4099         * config/riscv/risc.md (type): Add sfb_alu.
4100         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4101         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4102         (branch_zero<mode>): Delete.
4103         (mov<mode>cc): New.
4104         (mov<GPR:mode><X:mode>cc): Likewise.
4105         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4106
4107 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4108
4109         * tree.h (MARK_TS_EXP): New.
4110
4111 2019-04-30  Martin Liska  <mliska@suse.cz>
4112
4113         * opts.c (enable_warning_as_error): Provide hints
4114         for unknown options.
4115
4116 2019-04-30  Martin Liska  <mliska@suse.cz>
4117
4118         PR debug/90288
4119         * doc/invoke.texi: Add missing dash for gas-locview-support
4120         and gno-as-locview-support.
4121
4122 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4123
4124         PR target/89093
4125         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4126         whitespace at the start of target attribute string.
4127
4128 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4129
4130         PR target/86538
4131         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4132         Define __ARM_FEATURE_ATOMICS.
4133
4134 2019-04-30  Martin Liska  <mliska@suse.cz>
4135
4136         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4137         into built_in_function enum. Remove code for endp == 2 and
4138         use BUILT_IN_* constants.
4139         (gimple_fold_builtin): Call the function with fcode.
4140
4141 2019-04-30  Martin Liska  <mliska@suse.cz>
4142
4143         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4144         DECL_FUNCTION_CODE into ix86_builtins enum before
4145         the switch statement.
4146
4147 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4148
4149         PR tree-optimization/89475
4150         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4151         calls.
4152
4153 2019-04-30  Martin Liska  <mliska@suse.cz>
4154
4155         PR translation/90274
4156         * opts.c (print_filtered_help): Wrap string in _(...).
4157
4158 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4159
4160         PR tree-optimization/90240
4161         Revert:
4162         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4163
4164         PR tree-optimization/90078
4165         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4166         checks for infinite_cost overflow.
4167
4168 2019-04-29  Jeff Law  <law@redhat.com>
4169
4170         * passes.def: Move -Wrestrict pass after copy propagation.
4171
4172 2019-04-29  Maya Rashish  <coypu@sdf.org>
4173
4174         * config.gcc (default_gnu_indirect_function): Default to yes
4175         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4176         sparc*-*-netbsd*, x86_64-*-netbsd*.
4177
4178 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4179
4180         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4181         where cond2 is NE_EXPR.
4182         (is_value_included_in): Update comment.
4183
4184 2019-04-29  Richard Biener  <rguenther@suse.de>
4185
4186         PR tree-optimization/90278
4187         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4188         EH on comparison simplification.
4189
4190 2019-04-29  Jason Merrill  <jason@redhat.com>
4191
4192         PR c++/82081 - tail call optimization breaks noexcept
4193         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4194         nothrow function to a might-throw function into a tail call.
4195
4196 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4197
4198         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4199         (DDR_INNER_LOOP): Likewise.
4200         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4201         (initialize_data_dependence_relation): Likewise.
4202         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4203
4204 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4205
4206         PR rtl-optimization/90257
4207         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4208         return value.
4209
4210         Revert the revert:
4211         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4212
4213         PR target/90178
4214         Revert:
4215         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4216
4217         Revert the revert:
4218         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4219
4220         Revert:
4221         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4222
4223         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4224
4225 2019-04-29  Richard Biener  <rguenther@suse.de>
4226
4227         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4228         rhs issue a reset.
4229
4230 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4231
4232         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4233         varasm.h, and netbsd-protos.h.
4234
4235 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4236
4237         PR target/89261
4238         * config/i386/i386-protos.h (ix86_data_alignment): Change
4239         the second argument type to unsigned int.
4240         * config/i386/i386.c (ix86_data_alignment): Change "align"
4241         argument type to unsigned int.
4242
4243 2019-04-27  Martin Liska  <mliska@suse.cz>
4244
4245         PR middle-end/90258
4246         * opt-suggestions.c (option_proposer::build_option_suggestions):
4247         When get_valid_option_values returns empty values, add the
4248         misspelling candidate.
4249
4250 2019-04-26  Jim Wilson  <jimw@sifive.com>
4251
4252         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4253         parameter.
4254         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4255         Pass orig_mode to riscv_build_integer.
4256         (riscv_split_integer): Pass mode to riscv_move_integer.
4257         (riscv_legitimize_const_move): Likewise.
4258         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4259         promoted_mode.  Replace force_reg call with code to load constant into
4260         promoted reg and then subreg it for the store.
4261         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4262         riscv_move_integer.
4263
4264 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4265
4266         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4267         corrupt codes.
4268
4269 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4270
4271         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4272         commentary about the encoding of precision.
4273
4274 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4275
4276         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4277         * config/i386/t-freebsd64: New file.
4278         * config.gcc: Add the t-freebsd64 for multilib support.
4279
4280 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4281
4282         * doc/extend.texi (vector_size): Add missing comma after @xref.
4283
4284 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4285
4286         * BASE-VER: Set to 10.0.0.
4287
4288 2019-04-25  Richard Biener  <rguenther@suse.de>
4289
4290         PR middle-end/89765
4291         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4292         VIEW_CONVERT_EXPR into one operating on an rvalue.
4293
4294 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4295
4296         PR target/89929
4297         * config/i386/i386.c (feature_priority): Moved to file scope.
4298         (processor_features): Likewise.
4299         (processor_model): Likewise.
4300         (_arch_names_table): Likewise.
4301         (arch_names_table): Likewise.
4302         (_feature_list): Removed.
4303         (feature_list): Likewise.
4304         (_isa_names_table): Moved to file scope.  Add priority.
4305         (isa_names_table): Likewise.
4306         (get_builtin_code_for_version): Replace feature_list with
4307         isa_names_table.  Update error message for P_ZERO priority.
4308
4309 2019-04-25  Richard Biener  <rguenther@suse.de>
4310
4311         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4312         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4313
4314 2019-04-24  Jeff Law  <law@redhat.com>
4315
4316         PR tree-optimization/90037
4317         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4318         * passes.def: Replace all instance of phi-only cprop with the
4319         lattice propagator.  Move propagation pass from after erroneous
4320         path isolation to before erroneous path isolation.
4321         * tree-ssa-phionlycprop.c: Remove.
4322
4323 2019-04-24  Richard Biener  <rguenther@suse.de>
4324
4325         PR middle-end/90213
4326         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4327         by size and BITS_PER_UNIT on poly-wide-ints.
4328
4329 2019-04-25  Richard Biener  <rguenther@suse.de>
4330
4331         PR middle-end/90194
4332         * match.pd: Add pattern to simplify view-conversion of an
4333         empty constructor.
4334
4335 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4336
4337         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4338         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4339         for Go on 32 bit AIX.
4340         * config/rs6000/aix72.h: Likewise.
4341
4342 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4343
4344         PR target/90193
4345         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4346         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4347
4348 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4349
4350         PR target/89952
4351         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4352         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4353         for restored hard frame pointer.
4354         (s390_sched_dependencies_evaluation): Implement new target hook.
4355         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4356
4357 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4358
4359         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4360         * config/arc/arc.c (arc_init): Cleanup warning message.
4361         (arc_override_options): Likewise.
4362
4363 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4364
4365         PR target/90187
4366         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4367         a register if both if_true and if_false are MEMs.
4368
4369         PR tree-optimization/90208
4370         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4371         after labels of new_bb, not before them.
4372
4373         PR tree-optimization/90211
4374         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4375         which are not SSA_NAMEs.
4376
4377 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4378
4379         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4380         AArch64.
4381         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4382
4383 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4384
4385         PR rtl-optimization/87979
4386         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4387         not equal zero.
4388
4389 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4390
4391         PR rtl-optimization/84032
4392         * modulo-sched.c (ps_insn_find_column): Change condition so that
4393         branch will always be the last insn in a row inside partial
4394         schedule.
4395
4396 2019-04-23  Richard Biener  <rguenther@suse.de>
4397
4398         PR debug/90131
4399         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4400         dest_single_pred_p argument.
4401         (remove_forwarder_block): Adjust.
4402         (remove_forwarder_block_with_phi): Likewise.
4403
4404 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4405             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4406             Jakub Jelinek  <jakub@redhat.com>
4407
4408         PR target/89093
4409         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4410         if used with general-regs-only.
4411         (arm_conditional_register_usage): Don't add non-general regs if
4412         general-regs-only.
4413         (arm_valid_target_attribute_rec): Handle general-regs-only.
4414         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4415         general-regs-only.
4416         (TARGET_HARD_FLOAT_SUB): Define.
4417         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4418         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4419         (TARGET_REALLY_IWMMXT2): Likewise.
4420         * config/arm/arm.opt: Add -mgeneral-regs-only.
4421         * doc/extend.texi: Document ARM general-regs-only target.
4422         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4423
4424 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4425
4426         PR tree-optimization/90078
4427         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4428         checks for infinite_cost overflow.
4429
4430 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4431
4432         PR tree-optimization/90021
4433         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4434         and check univariate against it.
4435         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4436         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4437
4438 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4439
4440         PR target/90178
4441         Revert:
4442         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4443
4444         Revert the revert:
4445         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4446
4447         Revert:
4448         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4449
4450         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4451
4452 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4453
4454         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4455         names using operand format, rather than hard-wired.
4456         (speculation_barrier): Likewise.
4457
4458 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4459
4460         PR tree-optimization/88055
4461         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4462         (gen_one_condition): Use it if !HONOR_NANS.
4463
4464 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4465
4466         PR middle-end/90139
4467         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4468         assign_temp instead of gen_reg_rtx.
4469
4470 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4471
4472         PR translation/90118
4473         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4474         Add missing space before %<.
4475
4476 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4477
4478         PR rtl-optimization/87871
4479         * ira-lives.c (make_object_dead): Don't add conflicts to
4480         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4481
4482 2019-04-18  Martin Sebor  <msebor@redhat.com>
4483
4484         PR middle-end/89797
4485         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4486         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4487         assuming type size fits in SHWI.
4488
4489 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4490
4491         PR ipa/85051
4492         * ipa-inline.c (flatten_function): New parameter UPDATE.
4493         (ipa_inline, early_inliner): Use it.
4494
4495 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4496
4497         * fold-const.c (int_const_binop): Return early on failure.
4498
4499 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4500
4501         PR middle-end/85164
4502         * combine.c (force_int_to_mode): Cast the argument rather than
4503         the result of known_alignment.
4504         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4505
4506 2019-04-18  Richard Biener  <rguenther@suse.de>
4507
4508         PR debug/90131
4509         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4510         out from ...
4511         (remove_forwarder_block): ... here.
4512         (remove_forwarder_block_with_phi): Also move debug stmts here.
4513
4514 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4515
4516         PR translation/79183
4517         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4518         inform where appropriate.
4519
4520 2019-04-18  Richard Biener  <rguenther@suse.de>
4521
4522         * tree.c (get_qualified_type): Put found type variants at the
4523         head of the variant list.
4524
4525 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4526
4527         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4528
4529 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4530
4531         PR target/90125
4532         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4533         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4534         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4535         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4536         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4537
4538 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4539
4540         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4541         even for allocno's with no conflicts.
4542         (print_conflicts): Print an extra newline.
4543
4544 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4545
4546         * auto-inc-dec.c (attempt_change): Set the alignment of the
4547         temporary memory to that of the original.
4548
4549 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4550
4551         * targhooks.c (default_print_patchable_function_entry): Emit
4552         __patchable_function_entries section with writable flags to allow
4553         relocation resolution.
4554
4555 2019-04-17  Jonny Grant  <jg@jguk.org>
4556
4557         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4558
4559 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4560
4561         PR middle-end/90095
4562         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4563         on lowpart SUBREGs.
4564
4565 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4566
4567         * config/arc/arc.c (arc_init): Format diagnostic string.
4568         (arc_override_options): Likewise.
4569         (check_if_valid_regno_const): Likewise.
4570         (arc_reorg): Likewise.
4571
4572 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4573
4574         PR target/17108
4575         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4576         name.
4577         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4578         name.
4579         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4580         (*movdi_update1): Use Pmode.
4581         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4582         (movdi_<mode>_update_stack): Rename to ...
4583         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4584         use Pmode.
4585         (*movsi_update1): Use Pmode.
4586         (*movsi_update2): Use Pmode.
4587         (movsi_update): Rename to ...
4588         (movsi_<mode>_update): ... this.  Use Pmode.
4589         (movsi_update_stack): Fix condition.
4590         (*movhi_update1): Use Pmode.  Fix argument to
4591         avoiding_indexed_address_p.
4592         (*movhi_update2): Ditto.
4593         (*movhi_update3): Ditto.
4594         (*movhi_update4): Ditto.
4595         (*movqi_update1): Ditto.
4596         (*movqi_update2): Ditto.
4597         (*movqi_update3): Ditto.
4598         (*movsf_update1, *movdf_update1): Merge, rename to...
4599         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4600         avoiding_indexed_address_p.  Add "size" attribute.
4601         (*movsf_update2, *movdf_update2): Merge, rename to...
4602         (*mov<mode>_update2): This.  Ditto.
4603         (*movsf_update3): Use Pmode.  Fix argument to
4604         avoiding_indexed_address_p.
4605         (*movsf_update4): Ditto.
4606         (allocate_stack): Simplify condition.  Adjust pattern names.
4607
4608 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4609
4610         PR target/89093
4611         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4612         whitespace at the start of target attribute string.
4613
4614 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4615
4616         PR target/84369
4617         * config/rs6000/power9.md: Add store forwarding bypass.
4618
4619 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4620
4621         PR debug/89528
4622         * valtrack.c (dead_debug_insert_temp): Reset debug references
4623         to the return value of a call being removed.
4624
4625 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4626
4627         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4628         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4629         implement target hook.
4630         (arc_memory_move_cost): New function.
4631         (TARGET_REGISTER_MOVE_COST): Define.
4632         (TARGET_MEMORY_MOVE_COST): Likewise.
4633         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4634         (MEMORY_MOVE_COST): Likewise.
4635
4636 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4637
4638         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4639         (sibcall_value_insn): Likewise.
4640         * config/arc/constraints.md (Rs5): Remove.
4641
4642 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4643
4644         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4645         for last two fake registers.
4646         (arc_conditional_register_usage): Make sure fake frame and arg
4647         pointer regs are in general regs class.
4648         (FRAME_POINTER_MASK): Remove.
4649         (RETURN_ADDR_MASK): Remove.
4650         (arc_must_save_register): Use hard frame regnum.
4651         (frame_restore_reg): Use hard_frame_pointer_rtx.
4652         (arc_save_callee_saves): Likewise.
4653         (arc_restore_callee_saves): Likewise.
4654         (arc_save_callee_enter): Likewise.
4655         (arc_restore_callee_leave): Likewise.
4656         (arc_save_callee_milli): Likewise.
4657         (arc_eh_return_address_location): Likewise.
4658         (arc_check_multi): Use hard frame regnum.
4659         (arc_can_eliminate): Likewise.
4660         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4661         for register allocator.
4662         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4663         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4664         (FRAME_POINTER_REGNUM): Change it to a fake register.
4665         (HARD_FRAME_POINTER_REGNUM): Defined.
4666         (ARG_POINTER_REGNUM): Change it to a new fake register.
4667         (ELIMINABLE_REGS): Update.
4668         (REGISTER_NAMES): Update names.
4669         * config/arc/arc.md (LP_START): Remove.
4670         (LP_END): Likewise.
4671         (shift_si3_loop): Update pattern.
4672
4673 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4674
4675         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4676         to avoid delay slot scheduling.
4677         (arc_must_save_register): Don't save SP.
4678         * config/arc/arc.md (stack_tie): Remove.
4679         (UNSPEC_ARC_STKTIE): Likewise.
4680
4681 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4682             Shiva Chen  <shiva0217@gmail.com>
4683
4684         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4685         code gen with large shift amount.
4686
4687 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4688
4689         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4690         subreg.
4691
4692 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4693
4694         PR target/90096
4695         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4696         print -m64/-mx32/-m32 if it is true.
4697         (ix86_debug_options, ix86_function_specific_print): Pass true as
4698         ADD_ABI_P to ix86_target_string.
4699         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4700         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4701         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4702
4703         PR rtl-optimization/90082
4704         * dce.c (can_delete_call): New function.
4705         (deletable_insn_p, mark_insn): Use it.
4706
4707         PR tree-optimization/90090
4708         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4709         throw internally.
4710         (is_division_by_square): Likewise.  Formatting fix.
4711
4712 2019-04-16  Richard Biener  <rguenther@suse.de>
4713
4714         PR tree-optimization/56049
4715         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4716         equality check if alias-set zero will prevail.
4717
4718 2019-04-15  Jeff Law  <law@redhat.com>
4719
4720         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4721         size and alignment as unsigned.
4722
4723 2019-04-15  Richard Biener  <rguenther@suse.de>
4724
4725         PR debug/90074
4726         * tree-loop-distribution.c (destroy_loop): Preserve correct
4727         debug info.
4728
4729 2019-04-15  Richard Biener  <rguenther@suse.de>
4730
4731         PR tree-optimization/90071
4732         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4733         abnormal operands from def stmts.
4734
4735 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4736
4737         PR rtl-optimization/89794
4738         * combine.c (count_auto_inc): New function.
4739         (try_combine): Count how many auto_inc expressions there were in the
4740         original instructions.  Ensure we have the same number in the new
4741         instructions.  Remove the code that tried to ensure auto_inc side
4742         effects on i1 and i0 are not lost.
4743
4744 2019-04-15  Richard Biener  <rguenther@suse.de>
4745
4746         PR ipa/88936
4747         * tree.h (auto_var_p): Declare.
4748         * tree.c (auto_var_p): New function, split out from ...
4749         (auto_var_in_fn_p): ... here.
4750         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4751         member.
4752         (new_var_info): Initialize it.
4753         (set_uids_in_ptset): Also set the shadow variable uid if required.
4754         (ipa_pta_execute): Postprocess points-to solutions assigning
4755         shadow variable uids for locals that may reach their containing
4756         function recursively.
4757         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4758         assert but instead check whether the points-to solution is
4759         a singleton.
4760
4761 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4762
4763         PR ipa/pr89693
4764         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4765         the thunk chain.
4766
4767 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4768
4769         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4770
4771 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4772             Kito Cheng  <kito.cheng@gmail.com>
4773             Shiva Chen  <shiva0217@gmail.com>
4774
4775         * config/nds32/nds32-md-auxiliary.c
4776         (nds32_legitimize_pic_address): Use new PIC pattern.
4777         (nds32_legitimize_tls_address): Use new TLS pattern.
4778         (nds32_output_symrel): New.
4779         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4780         (nds32_alloc_relax_group_id): Ditto.
4781         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4782         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4783         relax_group_id.
4784         (nds32_group_tls_insn): Ditto.
4785         (nds32_group_float_insns): Ditto.
4786         * config/nds32/nds32.md (tls_le): New.
4787         (sym_got): Ditto.
4788
4789 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4790
4791         * configure: Add nds32 target for dwarf2 debug_line checking.
4792         * configure.ac: Regenerated.
4793
4794 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4795
4796         PR lto/89358
4797         * ipa-devirt.c (skip_in_fields_list_p): New.
4798         (odr_types_equivalent_p): Use it.
4799
4800 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4801
4802         PR target/89093
4803         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4804         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4805
4806 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4807
4808         * doc/install.texi: Document --with-target-system-zlib.
4809
4810 2019-04-12  Martin Sebor  <msebor@redhat.com>
4811
4812         PR c/88383
4813         PR c/89288
4814         PR c/89798
4815         PR c/89797
4816         * targhooks.c (default_vector_alignment): Avoid assuming
4817         argument fits in SHWI.
4818         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4819         a shift expression.
4820         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4821
4822 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4823
4824         PR rtl-optimization/89965
4825         * dce.c: Include rtl-iter.h.
4826         (struct check_argument_load_data): New type.
4827         (check_argument_load): New function.
4828         (find_call_stack_args): Check for loads from stack slots still tracked
4829         in sp_bytes and punt if any is found.
4830
4831         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4832
4833 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4834
4835         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4836         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4837
4838 2019-04-12  Martin Liska  <mliska@suse.cz>
4839
4840         PR middle-end/89970
4841         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4842         in error message.
4843         (separate_attrs): Handle multiple 'default's.
4844         (expand_target_clones): Rework error handling code.
4845
4846 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4847
4848         PR target/87532
4849         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4850         mode of vector rather than mode of destination for move instruction.
4851         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4852         Use QI inner mode with V16QI vector mode.
4853
4854 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4855
4856         PR target/52726
4857         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4858         "invalid %%t operand" in output_operand_lossage message.
4859
4860 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4861
4862         * config/s390/predicates.md (permute_pattern_operand): New
4863         predicate.
4864         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4865         operand for the permute pattern.
4866         ("*vec_perm<mode>"): New insn definition.
4867         ("bswap<mode>"): Generate the permute pattern operand in the
4868         expander and perform the operand reloads for pre arch13 level
4869         already.
4870         ("*bswap<mode>_emu"): Rename to ...
4871         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4872         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4873         Add the USE operand for the permute pattern.
4874         ("*vec_set_bswap_vec<mode>"): Likewise.
4875
4876 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4877
4878         PR c/89946
4879         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4880         and gcc_unreachable if it fails, just call tree_to_uhwi which
4881         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4882         Start warning message with a lower-case letter.  Formatting fixes.
4883
4884         PR rtl-optimization/90026
4885         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4886         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4887         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4888         in cfglayout mode, use emit_barrier_after_bb.
4889
4890 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4891
4892         PR rtl-optimization/87763
4893         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4894         New Instruction.
4895
4896 2019-04-11  Tom de Vries  <tdevries@suse.de>
4897
4898         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4899         max macro using statement expression.
4900
4901 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4902
4903         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4904         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4905         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4906         read_only_private_data_section using xcoff_private_rodata_section_name.
4907         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4908
4909 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4910
4911         PR target/90016
4912         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4913
4914 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4915
4916         PR rtl-optimization/89965
4917         * dce.c (sp_based_mem_offset): New function.
4918         (find_call_stack_args): Use sp_based_mem_offset.
4919
4920 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4921
4922         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4923
4924 2019-04-11  Richard Biener  <rguenther@suse.de>
4925
4926         PR tree-optimization/90020
4927         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4928         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4929         * tree-ssa-pre.c (compute_avail): Use it to not put
4930         possibly trapping references after a call that might not
4931         return into EXP_GEN.
4932         * gcse.c (compute_hash_table_work): Do not elide
4933         marking a block containing a call if the call might not
4934         return.
4935
4936 2019-04-11  Richard Biener  <rguenther@suse.de>
4937
4938         PR tree-optimization/90018
4939         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4940         Test both SLP and interleaving variants.
4941
4942 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4943
4944         * config/s390/8561.md: New file.
4945         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4946         Add arch13 cpu model.
4947         * config/s390/s390-opts.h (enum processor_type): Likewise.
4948         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4949         (s390_get_unit_mask): Likewise.
4950         (s390_is_fpd): Likewise.
4951         (s390_is_fxd): Likewise.
4952         * config/s390/s390.h (s390_tune_attr): Likewise.
4953         * config/s390/s390.md: Include arch13 pipeline description.
4954         * config/s390/s390.opt: Add arch13.
4955
4956 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4957
4958         PR rtl-optimization/87763
4959         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4960         New prototype.
4961         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4962         New function.
4963         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4964         New instruction.
4965         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4966         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4967         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4968         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4969
4970 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4971
4972         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4973         "Although" in -fipa-icf documentation.
4974
4975         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4976         of using multiple -g options.
4977
4978 2019-04-10  Martin Liska  <mliska@suse.cz>
4979
4980         PR gcov-profile/89959
4981         * doc/gcov.texi: Make documentation of -x option
4982         more precise.
4983
4984 2019-04-10  Richard Biener  <rguenther@suse.de>
4985
4986         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4987         member.
4988         (DR_GROUP_SAME_DR_STMT): Remove.
4989         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4990         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4991         replace with assert.
4992         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4993         (vect_record_grouped_load_vectors): Remove unreachable code.
4994
4995 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4996
4997         PR target/90016
4998         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4999         obsolete reference to N.
5000
5001 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5002
5003         PR middle-end/90025
5004         * expr.c (store_expr): Set properly size on the MEM passed to
5005         clear_storage.
5006
5007         PR c++/90010
5008         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5009         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5010         translation is needed, and when translation is needed, only append
5011         ... if the string length is hostsz or more bytes long.  Avoid using
5012         strncpy or strcat.
5013
5014 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5015
5016         PR target/90024
5017         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5018         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5019         into three.
5020         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5021         differences directly.
5022         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5023
5024 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5025
5026         PR translation/90011
5027         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5028         from diagnostics.
5029         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5030         diagnostics.
5031         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5032         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5033         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5034         trailing space from -gsplit-dwarf diagnostics.
5035
5036         PR tree-optimization/89998
5037         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5038         instead of integer_type_node if possible, don't add ranges if return
5039         type is not compatible with int.
5040         * gimple-fold.c (gimple_fold_builtin_sprintf,
5041         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5042         integer_type_node.
5043
5044 2019-04-09  Martin Liska  <mliska@suse.cz>
5045
5046         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5047         * doc/install.texi: Document the new config.
5048
5049 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5050
5051         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5052         use gimple_expr_type for load and store calls.  Skip over the
5053         condition argument in a conditional internal function.
5054         Protect use of TREE_INT_CST_LOW.
5055
5056 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5057
5058         PR target/90015
5059         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5060         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5061         trailing period from it too.
5062
5063 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5064
5065         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5066         * config/aarch64/aarch64.md : Add "tsv110.md"
5067         * config/aarch64/tsv110.md: New file.
5068
5069 2019-04-08  Richard Biener  <rguenther@suse.de>
5070
5071         PR tree-optimization/90006
5072         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5073         calls like lrint.
5074
5075 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5076
5077         PR target/83033
5078         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5079         construction.
5080         (fma_root_node): Likewise.
5081         (func_fma_steering): Likewise.
5082
5083 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5084
5085         PR rtl-optimization/89865
5086         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5087
5088         PR rtl-optimization/89865
5089         * config/i386/i386.md
5090         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5091         numbers not to clash with the additional operands[4].
5092         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5093         with extra register copy in the middle.
5094
5095 2019-04-08  Martin Liska  <mliska@suse.cz>
5096
5097         PR gcov-profile/89961
5098         * doc/gcov.texi: Document data_file.
5099         * gcov.c (generate_results): Add data_info into JSON output.
5100
5101 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5102
5103         PR tree-optimization/89725
5104         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5105         loop's chrec as invariant symbol.
5106         * tree-chrec.h (chrec_contains_symbols): New parameter.
5107         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5108         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5109         function of loops not in DDR's loop_nest.
5110         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5111
5112 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5113
5114         PR target/89623
5115         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5116         Mask.
5117
5118 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5119
5120         PR target/89945
5121         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5122         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5123
5124 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5125
5126         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5127         targetm.fixed_condition_code_regs.
5128
5129 2019-04-05  Richard Biener  <rguenther@suse.de>
5130
5131         PR debug/89892
5132         PR debug/89905
5133         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5134         debug bind stmts but reset them if they are not valid at the
5135         destination.
5136
5137 2019-04-05  Martin Liska  <mliska@suse.cz>
5138
5139         PR translation/89936
5140         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5141         order to wrap keywords or arguments.
5142         * collect2.c (main): Likewise.
5143         (scan_prog_file): Likewise.
5144         (scan_libraries): Likewise.
5145         * common/config/riscv/riscv-common.c
5146         (riscv_subset_list::parsing_subset_version): Likewise.
5147         (riscv_subset_list::parse_std_ext): Likewise.
5148         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5149         Likewise.
5150         * config/arm/arm.c (arm_option_override): Likewise.
5151         * config/cris/cris.c (cris_print_operand): Likewise.
5152         * config/darwin-c.c (darwin_pragma_options): Likewise.
5153         (darwin_pragma_unused): Likewise.
5154         (darwin_pragma_ms_struct): Likewise.
5155         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5156         * config/i386/i386.c (print_reg): Likewise.
5157         (ix86_print_operand): Likewise.
5158         * config/i386/xm-djgpp.h: Likewise.
5159         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5160         * config/m32c/m32c.c (m32c_option_override): Likewise.
5161         * config/msp430/msp430.c (msp430_option_override): Likewise.
5162         * config/nds32/nds32.c (nds32_option_override): Likewise.
5163         * config/nvptx/mkoffload.c (main): Likewise.
5164         * config/rx/rx.c (rx_print_operand): Likewise.
5165         (valid_psw_flag): Likewise.
5166         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5167         (vms_pragma_nomember_alignment): Likewise.
5168         (vms_pragma_extern_model): Likewise.
5169         * lto-wrapper.c (compile_offload_image): Likewise.
5170         * omp-offload.c (oacc_parse_default_dims): Likewise.
5171         * symtab.c (symtab_node::verify_base): Likewise.
5172         * tlink.c (recompile_files): Likewise.
5173         (start_tweaking): Likewise.
5174         * tree-profile.c (parse_profile_filter): Likewise.
5175
5176 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5177
5178         PR tree-optimization/89956
5179         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5180         multiple negates of the same value.
5181
5182 2019-04-04  Martin Sebor  <msebor@redhat.com>
5183
5184         PR middle-end/89957
5185         PR middle-end/89911
5186         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5187         have the same precision since the function crashes otherwise.
5188         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5189         has non-zero arguments.
5190
5191 2019-04-04  Martin Sebor  <msebor@redhat.com>
5192
5193         PR middle-end/89934
5194         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5195         out if the number of arguments is less than expected.
5196
5197 2019-04-04  Jeff Law  <law@redhat.com>
5198
5199         PR rtl-optimization/89399
5200         * ree.c (combine_set_extension): Use single_set rather than
5201         digging into PATTERN for items on the candidate list.
5202         (combine_reaching_defs): Likewise.
5203
5204 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5205
5206         PR rtl-optimization/46590
5207         * loop-invariant.c (find_defs): Move df_remove_problem and
5208         df_process_deferred_rescans to move_invariants.
5209         Move df_live_add_problem and df_live_set_all_dirty calls
5210         to move_invariants.
5211         (move_invariants): Likewise.
5212         (move_loop_invariants): Likewise, making the df_live calls
5213         conditional on -O.  Remove the problem again if we added it
5214         locally.
5215
5216 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5217
5218         PR tree-optimization/89730
5219         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5220         -flive-patching=inline-only-static.
5221         (can_inline_edge_by_limits_p): Add the checking for
5222         -flive-patching=inline-only-static and grant always_inline
5223         even when -flive-patching=inline-only-static is specified.
5224
5225 2019-04-03  Jeff Law  <law@redhat.com>
5226
5227         PR rtl-optimization/81025
5228         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5229
5230 2019-04-03  Richard Biener  <rguenther@suse.de>
5231
5232         PR tree-optimization/84101
5233         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5234         regs.h for hard_regno_nregs.
5235         (cfun_returns): New helper.
5236         (vect_model_store_cost): When vectorizing a store to a decl
5237         we return and the function ABI returns in a multi-reg location
5238         account for the possible spilling that will happen.
5239
5240 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5241
5242         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5243         displacement addresses for vector mode operands.
5244
5245 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5246
5247         * config/arc/arc.c (GMASK_LEN): Define.
5248         (arc_restore_callee_saves): Restore first blink when
5249         !optimize_size.
5250
5251 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5252
5253         * doc/extend.texi: Add deprecated comment on sign-return-address
5254         function attribute and add mbranch-protection.
5255         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5256
5257 2019-04-03  Richard Biener  <rguenther@suse.de>
5258
5259         PR lto/89896
5260         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5261         the all target phony.
5262
5263 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5264
5265         PR target/89902
5266         PR target/89903
5267         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5268         Return false for variable DImode shifts.
5269         (dimode_scalar_chain::compute_convert_gain): Do not handle
5270         register count operand in variable DImode shifts.
5271         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5272         count argument of a variable shift instruction to a vector register.
5273         (dimode_scalar_chain::convert_reg): Remove support to convert
5274         count argument of a variable shift instruction.
5275
5276 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5277
5278         PR rtl-optimization/84206
5279         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5280         iterating over loop headers.
5281
5282 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5283
5284         PR rtl-optimization/85876
5285         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5286         beyond the original fence.
5287
5288 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5289
5290         * config.gcc: Mark spu* targets as deprecated/obsolete.
5291
5292 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5293
5294         * config/s390/s390-builtin-types.def: New builtin function type
5295         definitions. Remove unused types.
5296         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5297         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5298         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5299         overloaded builtins.
5300         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5301         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5302         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5303         (vec_double, vec_signed, vec_unsigned): Define to use the new
5304         overloaded builtins.
5305         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5306         Remove expanders.
5307
5308 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5309
5310         * config/s390/s390-builtin-types.def: New builtin function type
5311         definitions.
5312         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5313         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5314         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5315         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5316         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5317         constant definitions.
5318         * config/s390/vecintrin.h (vec_search_string_cc)
5319         (vec_search_string_until_zero_cc): New builtin name definitions.
5320         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5321         expanders.
5322         ("vec_vstrs<mode>"): New insn definition.
5323
5324 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5325
5326         * config/s390/s390-builtin-types.def: Add new builtin function
5327         types.
5328         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5329         New overloaded builtins.
5330         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5331         s390_vsrd.
5332         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5333         (UNSPEC_VEC_SLDBYTE): ... this.
5334         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5335         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5336         definitions.
5337         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5338         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5339         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5340
5341 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5342
5343         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5344         New insn definition.
5345         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5346         * config/s390/vector.md (V_HW_HSD): ... here.
5347
5348 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5349
5350         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5351         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5352         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5353         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5354         New insn definitions.
5355
5356 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5357
5358         * config/s390/s390-builtin-types.def: Add new builtin function type.
5359         * config/s390/s390-builtins.def: Add overloaded builtin
5360         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5361         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5362         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5363         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5364         ("eltswap<mode>"): New expander.
5365         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5366         insn definitions.
5367
5368 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5369
5370         * config/s390/s390-builtin-types.def: Add new builtin function types.
5371         * config/s390/s390-builtins.def: Add overloaded builtin
5372         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5373         instructions.
5374         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5375         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5376         ("bswap<mode>"): New expander.
5377         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5378
5379 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5380
5381         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5382         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5383         vector builtin version number in __VEC__.
5384
5385 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5386
5387         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5388         iterators.
5389         (SFSI): New mode attribute.
5390         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5391         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5392         rename to ...
5393         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5394         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5395         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5396         ("floatsi<mode>2"): Add wcefb instruction.
5397
5398 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5399
5400         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5401         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5402         mode iterators.
5403         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5404         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5405         support 32 bit fp-int conversions. Rename to ...
5406         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5407         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5408         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5409         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5410         ... to these.
5411
5412 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5413
5414         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5415         if-then-else constructs if we can use the select instruction.
5416         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5417
5418 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5419
5420         * config/s390/s390.md ("*popcountdi_arch13_cc")
5421         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5422         definition.
5423         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5424         Append _z196 to make it ...
5425         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5426         ("popcounthi2_z196"): ... this.
5427         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5428         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5429
5430 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5431
5432         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5433         certain compares for arch13 in order to make use of the condition
5434         code result produced by the new instructions.
5435         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5436         nxrk, and nxgrk instruction patterns.
5437         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5438         (inv_no): Add new code iterator together with some attributes.
5439         ("*andc_split_<mode>"): Disable splitter for arch13.
5440         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5441         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5442         ("*<ANDOR:bitops_name>c<GPR:mode>")
5443         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5444         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5445         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5446         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5447
5448 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5449
5450         * common/config/s390/s390-common.c (processor_flags_table): New
5451         entry for arch13.
5452         * config.gcc: Support arch13 with the --with-arch= configure flag.
5453         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5454         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5455         * config/s390/s390.c (s390_get_sched_attrmask)
5456         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5457         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5458         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5459         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5460         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5461         definitions.
5462         * config/s390/s390.opt: Support arch13 as processor type in
5463         command line options.
5464
5465 2019-04-02  Martin Liska  <mliska@suse.cz>
5466
5467         PR translation/89912
5468         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5469         Fix param description of graphite-max-arrays-per-scop.
5470
5471 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5472
5473         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5474         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5475         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5476
5477 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5478
5479         PR rtl-optimization/85412
5480         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5481         sel_sched_region_1, not after.
5482
5483 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5484
5485         PR rtl-optimization/86928
5486         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5487         compute_live if necessary.
5488         (sel_redirect_edge_and_branch): Likewise.
5489
5490 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5491
5492         PR rtl-optimization/89865
5493         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5494         register if it is a part of small class.
5495
5496 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5497
5498         PR rtl-optimization/87273
5499         * sel-sched-ir.c (merge_fences): Remove assert.
5500
5501 2019-04-01  Richard Biener  <rguenther@suse.de>
5502
5503         PR tree-optimization/46590
5504         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5505         (dom_walker::m_reachability): Add in place of...
5506         (dom_walker::m_skip_unreachable_blocks): ...this.
5507         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5508         Move complex initialization ...
5509         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5510         lazily and initialize edge flags on each invocation.
5511         (dom_walker::bb_reachable): Use m_reachability.
5512
5513 2019-04-01  Martin Liska  <mliska@suse.cz>
5514
5515         PR driver/89861
5516         * opt-suggestions.c (option_proposer::build_option_suggestions):
5517         Add variant without any argument in order to provide better
5518         hints.
5519
5520 2019-04-01  Richard Biener  <rguenther@suse.de>
5521
5522         PR c/71598
5523         * gimple.c: Include langhooks.h.
5524         (gimple_get_alias_set): Treat enumeral types as the underlying
5525         integer type.
5526
5527 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5528             Eric Botcazou  <ebotcazou@adacore.com>
5529
5530         PR rtl-optimization/89862
5531         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5532         that operates on the full registers for WORD_REGISTER_OPERATIONS
5533         architectures.
5534
5535 2019-03-29  Jim Wilson  <jimw@sifive.com>
5536
5537         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5538         Clear MASK_RVC and then set if C subset supported.
5539
5540 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5541
5542         PR c/89872
5543         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5544         non-addressable complit into its initializer if it is volatile.
5545
5546 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5547
5548         * opts-common.c (integral_argument): Set errno properly in one case.
5549
5550 2019-03-29  Martin Liska  <mliska@suse.cz>
5551
5552         * doc/invoke.texi: Remove -Wchkp from documentation.
5553
5554 2019-03-29  Martin Liska  <mliska@suse.cz>
5555
5556         * dbgcnt.c (print_limit_reach): New function.
5557         (dbg_cnt): Use it.
5558
5559 2019-03-29  Martin Liska  <mliska@suse.cz>
5560
5561         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5562         (dbg_cnt_process_opt): Parse first tokens aas
5563         dbg_cnt_process_single_pair is also using strtok.
5564
5565 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5566
5567         PR rtl-optimization/87485
5568         * function.c (expand_function_end): Move stack_protect_epilogue
5569         before loading of return value into hard register(s).
5570
5571 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5572
5573         PR middle-end/89621
5574         * tree-inline.h (struct copy_body_data): Add
5575         dont_remap_vla_if_no_change flag.
5576         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5577         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5578         and remap_type_2 returns false.
5579         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5580         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5581         only from where it is copied to nested contexts.
5582
5583 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5584
5585         PR target/89865
5586         * config/i386/i386.md (RMW operation with LEA peephole):
5587         Use LEAMODE mode attribute instead of SWI mode iterator for
5588         LEA pattern.
5589
5590 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5591
5592         PR target/89848
5593         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5594         Also process XEXP (src, 0) of a shift insn.
5595
5596 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5597
5598         PR middle-end/89725
5599         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5600         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5601
5602 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5603
5604         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5605         test.
5606         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5607         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5608         immediately after first one with df_analyze in between, but rather
5609         process all bbs, queueing ones that need second pass in a worklist,
5610         df_analyze, process queued debug insn changes and if second pass is
5611         needed, process bbs from worklist, df_analyze, process queued debug
5612         insns again.
5613
5614         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5615         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5616         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5617
5618 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5619
5620         PR c/79022
5621         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5622         definition.
5623
5624 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5625
5626         PR target/85667
5627         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5628         function for 32-bit MS_ABI.
5629         (function_value_ms_32): New function.
5630
5631 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5632
5633         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5634         (movdi): Call gen_movdi_symbol_save_scc.
5635         (gen_movdi_symbol_save_scc): New insn and split.
5636
5637 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5638
5639         PR rtl-optimization/89313
5640         * function.c (matching_constraint_num): New static function.
5641         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5642         Don't replace inputs with non-matching constraints which conflict
5643         with early clobber outputs.
5644
5645 2019-03-27  Jeff Law  <law@redhat.com>
5646
5647
5648         PR rtl-optimization/87761
5649         PR rtl-optimization/89826
5650         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5651         slightly later.
5652         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5653         note problem to get REG_DEAD/REG_UNUSED notes updated.
5654
5655 2019-03-27  Richard Biener  <rguenther@suse.de>
5656
5657         PR tree-optimization/89463
5658         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5659         queue edges to remove.
5660         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5661         dead stmts.  Delay edge removal until PHIs are removed to
5662         make debug-stmt creation not confused by seemingly degenerate
5663         PHIs.
5664
5665 2019-03-27  Alan Modra  <amodra@gmail.com>
5666
5667         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5668         throughout file.
5669         * config/rs6000/darwin.h: Likewise.
5670         * config/rs6000/rs6000.c: Likewise.
5671
5672 2019-03-27  Alan Modra  <amodra@gmail.com>
5673
5674         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5675         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5676
5677 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5678             Jim Wilson  <jimw@sifive.com>
5679
5680         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5681         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5682         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5683         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5684         (generic_alu): Add auipc to type list.
5685         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5686         (riscv_microarchitecture): Declare.
5687         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5688         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5689         field.
5690         (riscv_microarchitecture): New.
5691         (sifive_7_tune_info): New.
5692         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5693         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5694         entries.
5695         (riscv_store_data_bypass_p): New.
5696         (riscv_option_override): Set riscv_microarchitecture from
5697         cpu->microarchitecture.
5698         * config/riscv/riscv.md: Include sifive-7.md.
5699         (type): Add auipc.
5700         (tune): New.
5701         (auipc<mode>): Change type to auipc.
5702         (restore_stack_nonlocal): New.
5703         * config/riscv/sifive-7.md: New.
5704         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5705
5706 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5707
5708         PR target/89827
5709         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5710         Also process XEXP (src, 0) of a shift insn.
5711
5712 2019-03-26  Richard Biener  <rguenther@suse.de>
5713
5714         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5715         (copy_debug_stmt): Likewise.
5716         (expand_call_inline): Likewise.
5717         (copy_bb): Avoid redundant lookup & set of gimple_block.
5718         * gimple-low.c (lower_gimple_return): Likewise.
5719         (lower_builtin_setjmp): Likewise.
5720
5721 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5722
5723         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5724         is constant 0, turn into static const data member initialized to false.
5725         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5726         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5727
5728 2019-03-26  Jason Merrill  <jason@redhat.com>
5729             Jakub Jelinek  <jakub@redhat.com>
5730
5731         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5732         method.
5733         (mem_alloc_description::release_object_overhead): Fix comment typos.
5734         * hash-table.h (hash_table::~hash_table): Call
5735         release_instance_overhead only if m_entries is non-NULL, otherwise
5736         call unregister_descriptor.
5737
5738 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5739
5740         PR tree-optimization/81740
5741         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5742         In case of outer loop vectorization, check for backward dependence
5743         at the inner loop if outer loop dependence is reversed.
5744
5745 2019-03-26  Alan Modra  <amodra@gmail.com>
5746
5747         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5748         rs6000_vector_mem init.  Correct wI and wJ comment.
5749
5750 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5751
5752         PR rtl-optimization/88347
5753         PR rtl-optimization/88423
5754         * sched-deps.c (sched_analyze_insn): Take into account that for
5755         tablejumps the barrier appears after a label and a jump_table_data.
5756
5757 2019-03-25  Martin Sebor  <msebor@redhat.com>
5758
5759         PR c/89812
5760         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5761         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5762         convert it to UHWI when it fits.
5763
5764 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5765
5766         PR debug/86964
5767         * dwarf2out.c (premark_used_variables): New function.
5768         (prune_unused_types_walk): Do not mark not premarked external
5769         variables.
5770         (prune_unused_types): Call premark_used_variables.
5771
5772 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5773
5774         PR rtl-optimization/89676
5775         * lra-constraints.c (curr_insn_transform): Do match reload for
5776         early clobbers when the match was successful only for different
5777         registers.
5778
5779 2019-03-25  Martin Sebor  <msebor@redhat.com>
5780
5781         * doc/extend.texi (Common Type Attributes): Document vector_size.
5782         (Common Variable Attributes): Mention size constraint.  Correct
5783         quoting and typos.
5784         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5785         base type and size constraints.
5786
5787 2019-03-25  Richard Biener  <rguenther@suse.de>
5788
5789         PR tree-optimization/89789
5790         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5791         changes from non-undefined back to undefined.
5792
5793 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5794
5795         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5796         heap string and a gc string, but since this variable is unknown to
5797         ggc the gc string might get reused and corrupted. Fixed by always
5798         using a heap string.
5799
5800 2019-03-25  Richard Biener  <rguenther@suse.de>
5801
5802         PR tree-optimization/89779
5803         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5804         to remove IV defs, delay actual removal.
5805         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5806         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5807         very end, properly also reset loop control IV information.
5808
5809 2019-03-25  Richard Biener  <rguenther@suse.de>
5810
5811         PR tree-optimization/89802
5812         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5813         move EH data to folded stmt.
5814
5815 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5816
5817         * config/s390/s390-builtin-types.def: Remove few unused types and
5818         fix sort order for others.
5819
5820 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5821
5822         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5823         expected and found types with -mdebug during builtin matching.
5824
5825 2019-03-25  Richard Biener  <rguenther@suse.de>
5826
5827         PR middle-end/89790
5828         * fold-const.c (operand_equal_p): Revert last change with
5829         updated comment.
5830
5831 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5832
5833         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5834         notes for the result of the __tls_get_addr calls.
5835         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5836
5837 2019-03-24  Jeff Law  <law@redhat.com>
5838
5839         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5840
5841         PR rtl-optimization/87761
5842         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5843         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5844         as needed.
5845         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5846         rescans.  Reprocess blocks as needed, calling df_analyze before
5847         reprocessing.  Always call df_analyze before fixing up debug bind
5848         insns.
5849
5850 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5851
5852         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5853         big endian.
5854
5855 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5856
5857         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5858         attrribute for uxtw.
5859
5860 2019-03-26  Jeff Law  <law@redhat.com>
5861
5862         PR rtl-optimization/87761
5863         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5864         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5865         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5866         into the next instruction.
5867         (mips_split_move_insn): Pass INSN through to mips_split_move.
5868
5869 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5870
5871         PR rtl-optimization/89676
5872         * lra-constraints.c (curr_insn_transform): Do match reload for
5873         early clobbers even if the match was successful.
5874
5875 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5876
5877         PR c++/87481
5878         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5879
5880 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5881
5882         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5883
5884 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5885
5886         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5887         <avx512>_fmsub_<mode>_mask3<round_name>,
5888         <avx512>_fnmadd_<mode>_mask3<round_name>,
5889         <avx512>_fnmsub_<mode>_mask3<round_name>,
5890         avx512f_vmfmadd_<mode>_mask3<round_name>,
5891         avx512f_vmfmsub_<mode>_mask3<round_name>,
5892         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5893         instead of register_operand and %v instead of v for match_operand 1.
5894         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5895         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5896         <round_nimm_predicate> instead of register_operand and %v instead of v
5897         for match_operand 1.
5898
5899         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5900         <avx512>_fmadd_<mode>_mask3<round_name>,
5901         <avx512>_fmsub_<mode>_mask<round_name>,
5902         <avx512>_fmsub_<mode>_mask3<round_name>,
5903         <avx512>_fnmadd_<mode>_mask<round_name>,
5904         <avx512>_fnmadd_<mode>_mask3<round_name>,
5905         <avx512>_fnmsub_<mode>_mask<round_name>,
5906         <avx512>_fnmsub_<mode>_mask3<round_name>,
5907         <avx512>_fmaddsub_<mode>_mask<round_name>,
5908         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5909         <avx512>_fmsubadd_<mode>_mask<round_name>,
5910         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5911         <round_nimm_predicate> instead of nonimmediate_operand.
5912         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5913         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5914         Use register_operand instead of <round_nimm_predicate> for the
5915         operand that needs to match output.
5916         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5917         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5918         Likewise.  Formatting fixes.
5919
5920         PR target/89784
5921         * config/i386/i386.c (enum ix86_builtins): Remove
5922         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5923         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5924         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5925         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5926         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5927         __builtin_ia32_vfmsubss3_mask3): New builtins.
5928         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5929         avx512f_vmfmadd_<mode>_mask3<round_name>,
5930         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5931         *avx512f_vmfmsub_<mode>_mask<round_name>,
5932         avx512f_vmfmsub_<mode>_mask3<round_name>,
5933         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5934         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5935         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5936         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5937         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5938         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5939         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5940         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5941         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5942         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5943         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5944         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5945         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5946         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5947         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5948         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5949         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5950         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5951         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5952         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5953         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5954         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5955         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5956         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5957         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5958         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5959         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5960         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5961
5962 2019-03-21  Martin Sebor  <msebor@redhat.com>
5963
5964         PR tree-optimization/89350
5965         * builtins.c (compute_objsize): Also ignore offsets whose upper
5966         bound is negative.
5967         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5968         (builtin_memref::builtin_memref): Initialize new member.
5969         Allow EXPR to be null.
5970         (builtin_memref::extend_offset_range): Replace local with a member.
5971         Avoid assuming pointer offsets are unsigned.
5972         (builtin_memref::set_base_and_offset): Determine base object
5973         before computing offset range.
5974         (builtin_access::builtin_access): Handle memset.
5975         (builtin_access::generic_overlap): Replace local with a member.
5976         (builtin_access::strcat_overlap): Same.
5977         (builtin_access::overlap): Same.
5978         (maybe_diag_overlap): Same.
5979         (maybe_diag_access_bounds): Same.
5980         (wrestrict_dom_walker::check_call): Handle memset.
5981         (check_bounds_or_overlap): Same.
5982
5983 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5984             Jakub Jelinek  <jakub@redhat.com>
5985
5986         PR lto/89692
5987         * tree.c (fld_type_variant, fld_incomplete_type_of,
5988         fld_process_array_type): Call fld->pset.add and don't call
5989         add_tree_to_fld_list if it returns true.
5990         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5991         non-marked types from TYPE_NEXT_VARIANT list.
5992         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5993
5994 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5995
5996         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5997         to false, if true, don't alloc_entries during construction, but defer
5998         it to the first method that needs m_entries allocated.
5999         (hash_table::hash_table, hash_table::~hash_table,
6000         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6001         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6002         hash_table::clear_slot, hash_table::traverse_noresize,
6003         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6004         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6005         false.
6006         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6007         NO_INSERT instead of find_with_hash.
6008         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6009         hash_set::m_table): Add Lazy to template params of hash_table.
6010         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6011         * attribs.c (test_attribute_exclusions): Likewise.
6012         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6013         hash_set.  Add tests for hash_set with Lazy = true.
6014
6015 2019-03-21  Richard Biener  <rguenther@suse.de>
6016
6017         PR tree-optimization/89779
6018         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6019         checks with respect to released SSA names now having error_mark_node
6020         type.
6021         * fold-const.c (operand_equal_p): Likewise.
6022
6023 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6024
6025         PR target/89775
6026         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6027         available to ...
6028         (s390_optimize_register_info): Use global_not_special_regno_p to
6029         check for global regs.
6030
6031 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6032
6033         PR target/89752
6034         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6035         update this_alternative nor this_alternative_set.
6036
6037 2019-03-19  Jim Wilson  <jimw@sifive.com>
6038
6039         PR target/89411
6040         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6041         align, size, offset.  Use them to handle a BLKmode reference.  Update
6042         comment.
6043         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6044
6045 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6046
6047         PR rtl-optimization/89768
6048         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6049         instead of GEN_INT.
6050         (unroll_loop_runtime_iterations): Likewise.
6051
6052 2019-03-19  Martin Sebor  <msebor@redhat.com>
6053
6054         PR tree-optimization/89644
6055         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6056         rather than endptr as an indicator of nul-termination.
6057
6058         PR tree-optimization/89644
6059         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6060         arrays in determining sequence sizes in strncpy and stpncpy.
6061
6062 2019-03-19  Martin Liska  <mliska@suse.cz>
6063
6064         PR middle-end/89737
6065         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6066         unlikely_edges if there's an edge that belongs to both these sets.
6067
6068 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6069
6070         PR target/89746
6071         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6072         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6073         go via a stack temporary.
6074
6075 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6076
6077         PR target/89378
6078         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6079         instead of gen_rtx_SUBREG.
6080         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6081
6082 2019-03-19  Richard Biener  <rguenther@suse.de>
6083
6084         PR debug/88389
6085         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6086
6087 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6088
6089         PR lto/87809
6090         PR lto/89335
6091         * tree.c (free_lang_data_in_decl): Do not free context of C++
6092         destrutors.
6093
6094 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6095
6096         PR target/89506
6097         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6098         subs for the first alternative except when operands[3] is 1.
6099
6100         PR target/89752
6101         * gimplify.c (gimplify_asm_expr): For output argument with
6102         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6103         diagnose error.
6104
6105 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6106
6107         PR rtl-optimization/89753
6108         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6109         explicit unrolling factor even more robust.
6110
6111 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6112
6113         PR target/89726
6114         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6115         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6116         signed zeros, do another copysign after the compensation.
6117
6118 2019-03-18  Martin Sebor  <msebor@redhat.com>
6119
6120         PR tree-optimization/89720
6121         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6122         more conservatively, the same as anti-range.
6123
6124 2019-03-18  Richard Biener  <rguenther@suse.de>
6125
6126         PR middle-end/88945
6127         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6128         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6129         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6130         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6131
6132 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6133
6134         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6135         Extend queue to 1024 entries.
6136         Add "consumed" field.
6137         (gomp_print_output): Remove print_index parameter.
6138         Add final parameter.
6139         Change limit to unsigned.
6140         Use consumed field to implement circular buffer.
6141         Detect interrupted print in final pass.
6142         Flush output at the end.
6143         (run): Update gomp_print_output usage.
6144         (main): Initialize kernargs->output_data.consumed.
6145
6146 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6147
6148         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6149         calculation of the minimum number of scalar iterations for
6150         fully-predicated loops.
6151
6152 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6153
6154         PR tree-optimization/89546
6155         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6156         any propagation to its children took place.
6157
6158 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6159
6160         PR target/89627
6161         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6162         parameter, and make use of it.
6163         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6164
6165 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6166
6167         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6168         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6169         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6170         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6171         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6172         match what the ops is doing.
6173         (push_multi_fp_blink): Likewise.
6174         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6175         compiling for size and elf target.
6176         (arc_save_callee_enter): Adjust note to match what enter/leave
6177         operation does.
6178
6179 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6180
6181         * config/arc/arc.md (tst_movb): Fix constraint.
6182
6183 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6184
6185         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6186
6187 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6188
6189         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6190         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6191         reg_alloc_order references.
6192         (size_alloc_order): Define.
6193         (arc_adjust_reg_alloc_order): New function.
6194         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6195         order.
6196         (ADJUST_REG_ALLOC_ORDER): Define.
6197         (HONOR_REG_ALLOC_ORDER): Likewise.
6198
6199 2019-03-18  Richard Biener  <rguenther@suse.de>
6200
6201         PR target/87561
6202         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6203         loads and stores a bit more.
6204
6205 2019-03-18  Richard Biener  <rguenther@suse.de>
6206
6207         PR target/87561
6208         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6209         load pessimization to stores as well.
6210
6211 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6212
6213         PR middle-end/86979
6214         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6215         successor, use NULL as its av set.
6216
6217 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6218
6219         PR rtl-optimization/89721
6220         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6221
6222 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6223
6224         PR target/87532
6225         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6226         When handling vec_extract, use modular arithmetic to allow
6227         constant selectors greater than vector length.
6228         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6229         V1TImode vectors to have constant selector values greater than 0.
6230         Use modular arithmetic to compute vector index.
6231         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6232         index for in-memory vectors.  Correct code generation for
6233         in-register vectors.
6234         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6235         compute index.
6236
6237 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6238
6239         PR c++/88534
6240         PR c++/88537
6241         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6242         VAR_DECL args.
6243
6244 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6245
6246         PR c++/89709
6247         * tree.c (inchash::add_expr): Strip any location wrappers.
6248         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6249         after hash verification.
6250
6251         PR debug/89704
6252         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6253         SIGN_EXTEND and ZERO_EXTEND.
6254
6255 2019-03-14  Jason Merrill  <jason@redhat.com>
6256             Jakub Jelinek  <jakub@redhat.com>
6257
6258         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6259         than if is_empty (*slot).
6260         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6261         existing elt and for elt removal.
6262         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6263         of already removed elt.
6264
6265 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6266
6267         PR target/89650
6268         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6269         REG_EH_REGION note.
6270
6271 2019-03-14  Martin Liska  <mliska@suse.cz>
6272
6273         PR other/89712
6274         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6275
6276 2019-03-14  Richard Biener  <rguenther@suse.de>
6277
6278         PR target/89711
6279         * config/i386/i386.c (make_resolver_func): Properly set
6280         DECL_CONTEXT on the RESULT_DECL.
6281         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6282
6283 2019-03-14  Richard Biener  <rguenther@suse.de>
6284
6285         * gimple-pretty-print.c: Include cfgloop.h.
6286         (dump_gimple_phi): Adjust.
6287         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6288         (pp_cfg_jump): Adjust.
6289         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6290         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6291         (lower_phi_internal_fn): Remove.
6292         (verify_gimple_call): Remove IFN_PHI special-casing.
6293         (dump_function_to_file): Dump IL state.
6294         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6295         done to deal with PHI nodes being present in non-SSA state.
6296
6297 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6298
6299         PR ipa/89684
6300         * multiple_target.c (create_dispatcher_calls): Change
6301         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6302         In the node->iterate_referring loop, push *ref rather than ref, call
6303         ref->remove_reference () and always pass 0 to iterate_referring.
6304
6305         PR rtl-optimization/89679
6306         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6307         would contain a paradoxical SUBREG.
6308
6309 2019-03-14  Richard Biener  <rguenther@suse.de>
6310
6311         PR tree-optimization/89710
6312         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6313         safe_dyn_cast.
6314
6315 2019-03-14  Martin Liska  <mliska@suse.cz>
6316
6317         * coverage.c (coverage_begin_function): Stream also
6318         end_column.
6319         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6320         documentation about function declaration location.
6321         * gcov-dump.c (tag_function): Print whole range
6322         of function declaration.
6323         * gcov.c (struct function_info): Add end_column field.
6324         (function_info::function_info): Initialize it.
6325         (output_json_intermediate_file): Output {start,end}_column
6326         fields.
6327         (read_graph_file): Read end_column.
6328
6329 2019-03-14  Richard Biener  <rguenther@suse.de>
6330
6331         PR middle-end/89698
6332         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6333         that the access types are similar.
6334
6335 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6336
6337         PR tree-optimization/89703
6338         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6339         aren't compatible also with builtin_decl_explicit.  Check pure
6340         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6341         and BUILT_IN_STPNCPY{,_CHK}.
6342
6343 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6344
6345         PR target/89523
6346         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6347         addr32 prefix to VSIB address for X32.
6348         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6349         "%M2" to opcode.
6350         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6351         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6352         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6353         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6354         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6355         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6356         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6357         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6358         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6359         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6360         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6361         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6362         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6363         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6364         (*avx512f_scatterdi<mode>): Likewise.
6365
6366 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6367
6368         PR target/85860
6369         * lra-constraints.c (inherit_in_ebb): Update
6370         potential_reload_hard_regs along with live_hard_regs.
6371
6372 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6373
6374         PR debug/89498
6375         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6376         DWARF_OFFSET_SIZE.
6377         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6378
6379 2019-03-13  Martin Sebor  <msebor@redhat.com>
6380
6381         PR tree-optimization/89662
6382         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6383         has a size.
6384
6385 2019-03-13  Richard Biener  <rguenther@suse.de>
6386
6387         PR middle-end/89677
6388         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6389         throw FP expressions at tree-affine.
6390
6391 2019-03-14  Richard Biener  <rguenther@suse.de>
6392
6393         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6394         dump negative integer constants using _Literal (type) -num.
6395
6396 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6397
6398         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6399         nonlocal_value member.
6400
6401         PR middle-end/88588
6402         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6403         (ipa_simd_modify_function_body): Handle PHIs.
6404
6405 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6406
6407         * config/s390/s390.c (s390_option_override_internal): Use more
6408         aggressive inlining parameters.
6409
6410 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6411
6412         * config/s390/3906.md: New file.
6413         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6414         (LONGRUNNING_THRESHOLD): Remove.
6415         (MAX_SCHED_MIX_SCORE): Decrease.
6416         (MAX_SCHED_MIX_DISTANCE): Decrease.
6417         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6418         (struct s390_sched_state): New struct to hold scheduling state.
6419         (S390_SCHED_STATE_NORMAL): Remove.
6420         (S390_SCHED_STATE_CRACKED): Remove.
6421         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6422         (s390_get_sched_attrmask): Use new attribute.
6423         (s390_get_unit_mask): Use new units.
6424         (s390_is_fpd): New function.
6425         (s390_is_fxd): New function.
6426         (s390_is_longrunning): New function.
6427         (s390_sched_score): Use new functions.
6428         (s390_sched_reorder): Likewise.
6429         (s390_sched_variable_issue): Rework and use new functions.
6430         (s390_sched_init): Use new functions.
6431         * config/s390/s390.h (s390_tune_attr):  Add z14.
6432         * config/s390/s390.md: Add z14.
6433
6434 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6435
6436         * config/s390/2964.md: Update pipeline description.
6437         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6438         (LONGRUNNING_THRESHOLD): Remove.
6439         (LATENCY_FACTOR): Remove.
6440         (s390_get_unit_mask): Add unit.
6441         (s390_sched_score): Use fxd/fpd.
6442         (s390_sched_variable_issue): Use fxd/fpd.
6443
6444 2019-03-12  Martin Liska  <mliska@suse.cz>
6445
6446         * config/i386/i386.c: Reword an error message.
6447
6448 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6449
6450         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6451         terminate with newline.
6452
6453 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6454
6455         PR target/52726
6456         * config/s390/s390.md (tabort): Use %wd instead of
6457         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6458         letters and periods.
6459         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6460         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6461         's with %< and %>.
6462
6463         PR middle-end/89663
6464         * builtins.c (expand_builtin_int_roundingfn,
6465         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6466         gcc_unreachable if validate_arglist fails.
6467
6468 2019-03-12  Richard Biener  <rguenther@suse.de>
6469
6470         PR tree-optimization/89664
6471         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6472         free the occurance tree after the early out.
6473
6474 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6475
6476         PR middle-end/89655
6477         PR bootstrap/89656
6478         * vr-values.c (vr_values::update_value_range): If
6479         old_vr->varying_p (), don't update it, make new_vr also VARYING
6480         and return false.
6481
6482 2019-03-11  Martin Liska  <mliska@suse.cz>
6483
6484         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6485         Fix double string quoting.
6486
6487 2019-03-11  Martin Liska  <mliska@suse.cz>
6488
6489         * collect-utils.c (collect_wait): Wrap apostrophes
6490         in gcc internal format with %'.
6491         * collect2.c (main): Likewise.
6492         (scan_prog_file): Likewise.
6493         (scan_libraries): Likewise.
6494         * config/i386/i386.c (ix86_expand_call): Likewise.
6495         (ix86_handle_interrupt_attribute): Likewise.
6496         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6497         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6498         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6499         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6500         * symtab.c (symtab_node::verify_base): Likewise.
6501         * tree-cfg.c (verify_gimple_label): Likewise.
6502         * tree.c (verify_type_variant): Likewise.
6503
6504 2019-03-11  Martin Liska  <mliska@suse.cz>
6505
6506         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6507         in a string format message and fix GNU coding style.
6508         (expand_builtin_set_thread_pointer): Likewise.
6509         * common/config/aarch64/aarch64-common.c
6510         (aarch64_rewrite_selected_cpu): Likewise.
6511         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6512         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6513         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6514         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6515         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6516         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6517         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6518         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6519         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6520         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6521         Likewise.
6522         * common/config/riscv/riscv-common.c
6523         (riscv_subset_list::parsing_subset_version): Likewise.
6524         (riscv_subset_list::parse_std_ext): Likewise.
6525         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6526         (riscv_subset_list::parse): Likewise.
6527         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6528         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6529         (aarch64_override_options_internal): Likewise.
6530         (aarch64_validate_mcpu): Likewise.
6531         (aarch64_validate_march): Likewise.
6532         (aarch64_validate_mtune): Likewise.
6533         (aarch64_override_options): Likewise.
6534         * config/alpha/alpha.c (alpha_option_override): Likewise.
6535         * config/arc/arc.c (arc_init): Likewise.
6536         (parse_mrgf_banked_regs_option): Likewise.
6537         (arc_override_options): Likewise.
6538         (arc_expand_builtin_aligned): Likewise.
6539         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6540         (arm_expand_builtin): Likewise.
6541         * config/arm/arm.c (arm_option_check_internal): Likewise.
6542         (arm_configure_build_target): Likewise.
6543         (arm_option_override): Likewise.
6544         (arm_options_perform_arch_sanity_checks): Likewise.
6545         (arm_handle_cmse_nonsecure_entry): Likewise.
6546         (arm_handle_cmse_nonsecure_call): Likewise.
6547         (arm_tls_referenced_p): Likewise.
6548         (thumb1_expand_prologue): Likewise.
6549         * config/avr/avr.c (avr_option_override): Likewise.
6550         * config/bfin/bfin.c (bfin_option_override): Likewise.
6551         * config/c6x/c6x.c (c6x_option_override): Likewise.
6552         * config/cr16/cr16.c (cr16_override_options): Likewise.
6553         * config/cris/cris.c (cris_option_override): Likewise.
6554         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6555         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6556         * config/darwin.c (darwin_override_options): Likewise.
6557         * config/frv/frv.c (frv_expand_builtin): Likewise.
6558         * config/h8300/h8300.c (h8300_option_override): Likewise.
6559         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6560         (ix86_option_override_internal): Likewise.
6561         (warn_once_call_ms2sysv_xlogues): Likewise.
6562         (ix86_expand_prologue): Likewise.
6563         (split_stack_prologue_scratch_regno): Likewise.
6564         (ix86_warn_parameter_passing_abi): Likewise.
6565         * config/ia64/ia64.c (fix_range): Likewise.
6566         * config/m68k/m68k.c (m68k_option_override): Likewise.
6567         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6568         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6569         (mips_set_compression_mode): Likewise.
6570         * config/mmix/mmix.c (mmix_option_override): Likewise.
6571         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6572         * config/msp430/msp430.c (msp430_option_override): Likewise.
6573         * config/nds32/nds32.c (nds32_option_override): Likewise.
6574         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6575         (nios2_option_override): Likewise.
6576         (nios2_expand_custom_builtin): Likewise.
6577         * config/nvptx/mkoffload.c (main): Likewise.
6578         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6579         * config/pa/pa.c (fix_range): Likewise.
6580         (pa_option_override): Likewise.
6581         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6582         (riscv_option_override): Likewise.
6583         * config/rl78/rl78.c (rl78_option_override): Likewise.
6584         * config/rs6000/aix61.h: Likewise.
6585         * config/rs6000/aix71.h: Likewise.
6586         * config/rs6000/aix72.h: Likewise.
6587         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6588         * config/rs6000/freebsd64.h: Likewise.
6589         * config/rs6000/linux64.h: Likewise.
6590         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6591         (rs6000_expand_zeroop_builtin): Likewise.
6592         (rs6000_expand_mtfsb_builtin): Likewise.
6593         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6594         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6595         (rs6000_invalid_builtin): Likewise.
6596         (rs6000_expand_split_stack_prologue): Likewise.
6597         * config/rs6000/rtems.h: Likewise.
6598         * config/rx/rx.c (valid_psw_flag): Likewise.
6599         (rx_expand_builtin): Likewise.
6600         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6601         * config/s390/s390.c (s390_expand_builtin): Likewise.
6602         (s390_function_profiler): Likewise.
6603         (s390_option_override_internal): Likewise.
6604         (s390_option_override): Likewise.
6605         * config/sh/sh.c (sh_option_override): Likewise.
6606         (sh_builtin_saveregs): Likewise.
6607         (sh_fix_range): Likewise.
6608         * config/sh/vxworks.h: Likewise.
6609         * config/sparc/sparc.c (sparc_option_override): Likewise.
6610         * config/spu/spu.c (spu_option_override): Likewise.
6611         (fix_range): Likewise.
6612         * config/visium/visium.c (visium_option_override): Likewise.
6613         (visium_handle_interrupt_attr): Likewise.
6614         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6615         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6616         (dbg_cnt_process_opt): Likewise.
6617         * dwarf2out.c (output_dwarf_version): Likewise.
6618         * except.c (expand_eh_return): Likewise.
6619         * gcc.c (defined): Likewise.
6620         (driver_handle_option): Likewise.
6621         (process_command): Likewise.
6622         (compare_files): Likewise.
6623         (driver::prepare_infiles): Likewise.
6624         (driver::do_spec_on_infiles): Likewise.
6625         (driver::maybe_run_linker): Likewise.
6626         * omp-offload.c (oacc_parse_default_dims): Likewise.
6627         * opts-global.c (handle_common_deferred_options): Likewise.
6628         * opts.c (parse_sanitizer_options): Likewise.
6629         (common_handle_option): Likewise.
6630         (enable_warning_as_error): Likewise.
6631         * passes.c (enable_disable_pass): Likewise.
6632         * plugin.c (parse_plugin_arg_opt): Likewise.
6633         (default_plugin_dir_name): Likewise.
6634         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6635         (default_pch_valid_p): Likewise.
6636         * toplev.c (init_asm_output): Likewise.
6637         (process_options): Likewise.
6638         (toplev::run_self_tests): Likewise.
6639         * tree-cfg.c (verify_gimple_call): Likewise.
6640         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6641         (tree_inlinable_function_p): Likewise.
6642         * var-tracking.c (vt_find_locations): Likewise.
6643
6644 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6645
6646         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6647         only on the else branch.
6648
6649 2019-03-11  Martin Liska  <mliska@suse.cz>
6650
6651         * gcov.c (output_intermediate_json_line): Print function
6652         name of each line.
6653         (output_json_intermediate_file): Add new argument.
6654         * doc/gcov.texi: Document the change.
6655
6656 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6657
6658         PR rtl-optimization/89588
6659         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6660         explicit unrolling factor more robust.
6661
6662 2019-03-11  Richard Biener  <rguenther@suse.de>
6663
6664         PR tree-optimization/89649
6665         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6666         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6667         on the prolog and epilog loops.
6668         (vect_loop_versioning): Return copy of loop.
6669         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6670         on the non-vectorized version of the loop.
6671
6672 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6673
6674         PR target/68924
6675         * config/i386/sse.md (*vec_extractv2di_0_sse):
6676         Add (=r,x) alternative and corresponding splitter.
6677
6678 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6679
6680         PR tree-optimization/85762
6681         PR tree-optimization/87008
6682         PR tree-optimization/85459
6683         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6684         it points to if there is a type changing MEM_REF.  Adjust all callers.
6685         (build_accesses_from_assign): Disable total scalarization if
6686         contains_vce_or_bfcref_p returns true through the new parameter, for
6687         both rhs and lhs.
6688
6689 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6690
6691         PR c/88568
6692         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6693         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6694
6695         PR target/79645
6696         * common.opt (fdiagnostics-show-labels,
6697         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6698         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6699         gas-locview-support, ginline-points, ginternal-reset-location-views):
6700         Terminate description text with a dot.
6701         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6702         * config/mcore/mcore.opt (m210, m340): Likewise.
6703         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6704         mnops=): Start description text with a capital letter.
6705         * config/arc/arc.opt (msize-level=): Likewise.
6706         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6707         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6708         mnewlib): Likewise.
6709         * config/ft32/ft32.opt (msim): Likewise.
6710         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6711         (mnodiv, mnopm): Terminate description text with a dot.
6712         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6713         a colon.
6714         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6715         Likewise.
6716         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6717         text.
6718
6719         PR rtl-optimization/89634
6720         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6721         are modified in BB_END (e->src) instruction.
6722
6723 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6724
6725         PR target/79926
6726         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6727         messages more amenable to translation, and improve wording.
6728
6729 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6730
6731         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6732         ud- and du-chains between phases.
6733
6734 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6735
6736         PR debug/89631
6737         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6738         instead of POLY_INT_CST.
6739
6740 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6741
6742         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6743         requirement.
6744
6745 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6746
6747         PR target/68924
6748         PR target/78782
6749         PR target/87558
6750         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6751         (_mm_storeu_si64): Ditto.
6752
6753 2019-03-08  Martin Liska  <mliska@suse.cz>
6754
6755         PR target/86952
6756         * config/i386/i386.c (ix86_option_override_internal): Disable
6757         jump tables when retpolines are used.
6758
6759 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6760
6761         PR go/63560
6762         * ipa-split.c (execute_split_functions): Do not split
6763         'noinline' or 'section' function.
6764
6765 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6766
6767         PR target/79846
6768         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6769         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6770         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6771
6772         PR ipa/80000
6773         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6774         from diagnostics.  Formatting fixes.
6775
6776         PR target/85665
6777         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6778         warn_odr diagnostics.
6779
6780         PR other/80058
6781         * lra-constraints.c (process_alt_operands): Avoid one space before
6782         " at the end of line and another after " on another line in a string
6783         literal.
6784         * attribs.c (handle_dll_attribute): Likewise.
6785         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6786
6787         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6788         warning_at or inform messages in G_() if there is no ?:.
6789
6790         PR tree-optimization/89550
6791         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6792         returned true.  Formatting fixes.
6793         (expand_builtin_strnlen): Formatting fixes.
6794         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6795         if warning_at returned true.
6796         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6797
6798 2019-03-08  Richard Biener  <rguenther@suse.de>
6799
6800         PR middle-end/89578
6801         * cfgloop.h (struct loop): Add owned_clique field.
6802         * cfgloopmanip.c (copy_loop_info): Copy it.
6803         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6804         cliques.
6805         * tree-inline.c (copy_loops): Remap owned_clique.
6806         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6807         * lto-streamer-out.c (output_cfg): Likewise.
6808
6809 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6810
6811         PR target/80190
6812         * config/darwin.c: Include intl.h.
6813         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6814         composing the message out of two separate parts.
6815
6816 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6817
6818         PR target/80003
6819         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6820         doesn't start with a capital letter and doesn't end with a dot.
6821         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6822         with a capital letter.
6823         (ix86_mangle_function_version_assembler_name): Likewise.
6824         (ix86_generate_version_dispatcher_body): Likewise.
6825         (fold_builtin_cpu): Likewise.
6826         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6827         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6828         translators, wrap full type name in %qs.
6829
6830         PR translation/79999
6831         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6832         depend clause with source (or sink) modifier.
6833         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6834
6835         PR target/89602
6836         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6837         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6838         (avx512f_load<mode>_mask): New define_expand.
6839         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6840         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6841         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6842         __builtin_ia32_movess_mask): New builtins.
6843         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6844         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6845         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6846         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6847
6848 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6849
6850         PR lto/87525
6851         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6852         for extern inline functions.
6853
6854 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6855
6856         PR ipa/88235
6857         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6858         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6859         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6860         have multiple callees.  At the end check if declarations match as
6861         opposed to cgraph_nodes.
6862
6863 2019-03-07  Martin Liska  <mliska@suse.cz>
6864
6865         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6866         which is equivalent to searching for this in clones chain.
6867         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6868         names with a neighbour and special case first node in a chain.
6869
6870 2019-01-25  Jason Merrill  <jason@redhat.com>
6871
6872         PR c++/80916 - spurious "static but not defined" warning.
6873         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6874         for an internal symbol with DECL_EXTERNAL.
6875
6876 2019-04-07  Richard Biener  <rguenther@suse.de>
6877
6878         PR middle-end/89618
6879         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6880         * tree-inline.c (copy_loops): Simplify.
6881
6882 2019-03-07  Martin Liska  <mliska@suse.cz>
6883
6884         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6885
6886 2019-03-07  Richard Biener  <rguenther@suse.de>
6887
6888         PR tree-optimization/89595
6889         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6890         stmt iterator as reference, take boolean output parameter to
6891         indicate whether the stmt was removed and thus the iterator
6892         already advanced.
6893         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6894         stmts created by folding.
6895
6896 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6897
6898         PR c++/89585
6899         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6900         at toplevel.
6901
6902 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6903
6904         PR rtl-optimization/88845
6905         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6906         LRA.
6907         * lra.c (remove_scratches_1): New function.
6908         (remove_scratches): Use it.
6909         (lra_emit_move): Likewise.
6910
6911 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6912
6913         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6914         unaligned_access variable.
6915         * config/arc/arc.c (arc_override_options): Set unaligned access
6916         default on for HS CPUs.
6917         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6918
6919 2019-03-06  Martin Liska  <mliska@suse.cz>
6920
6921         PR gcov-profile/89577
6922         * doc/gcov.texi: Prefer to use --coverage.
6923         * doc/sourcebuild.texi: Likewise.
6924
6925 2019-03-02  Jason Merrill  <jason@redhat.com>
6926
6927         PR c++/86485 - -Wmaybe-unused with empty class ?:
6928         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6929
6930 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6931
6932         PR target/89587
6933         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6934         if_multiarch.
6935
6936         PR middle-end/89590
6937         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6938         exactly one argument.
6939
6940 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6941             Richard Sandiford  <richard.sandiford@arm.com>
6942
6943         PR tree-optimization/89570
6944         * match.pd (vec_cond into cond_op simplification): Don't use
6945         get_conditional_internal_fn, use as_internal_fn (cond_op).
6946
6947 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6948
6949         PR target/89222
6950         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6951         to decide when to split off a non-zero offset from a symbol.
6952         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6953         in function symbols.
6954
6955 2019-03-05  Richard Biener  <rguenther@suse.de>
6956
6957         PR tree-optimization/89594
6958         * tree-if-conv.c (pass_if_conversion::execute): Handle
6959         case where .LOOP_VECTORIZED_FUNCTION was removed.
6960
6961 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6962
6963         PR bootstrap/89560
6964         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6965         instead alloca it only when needed with the needed size.
6966
6967         PR tree-optimization/89570
6968         * match.pd (vec_cond into cond_op simplification): Guard with
6969         vectorized_internal_fn_supported_p test and #if GIMPLE.
6970
6971         PR tree-optimization/89566
6972         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6973         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6974         Punt if get_user_idx_format succeeds, but idx_format argument is
6975         not provided or doesn't have pointer type, or if idx_args is above
6976         number of provided arguments.
6977
6978 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6979
6980         PR tree-optimization/89437
6981         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6982
6983 2019-03-04  Richard Biener  <rguenther@suse.de>
6984
6985         PR middle-end/89572
6986         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6987         safe_dyn_cast.
6988
6989 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6990
6991         PR tree-optimization/89487
6992         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6993         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6994         (distribute_loop): Don't do runtime alias check if there is non-
6995         addressable data reference.
6996         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6997         is a register variable.
6998
6999 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7000
7001         PR target/89506
7002         * config/arm/arm.md (cmpsi2_addneg): Use
7003         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7004         If operands[2] is 0 or INT_MIN, force use of subs.
7005         (*compare_scc splitter): Use gen_int_mode.
7006         (*negscc): Likewise.
7007         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7008
7009 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7010             Monk Chiang  <sh.chiang04@gmail.com>
7011
7012         * common/config/riscv/riscv-common.c: Include sstream.
7013         (riscv_subset_list::to_string): New.
7014         (riscv_arch_str): Likewise.
7015         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7016         * config.in: Regen.
7017         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7018         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7019         (riscv_emit_attribute): New.
7020         (riscv_file_start): Emit attribute if needed.
7021         (riscv_option_override): Init riscv_emit_attribute_p.
7022         * config/riscv/riscv.opt (mriscv-attribute): New option.
7023         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7024         * configure: Regen.
7025         * doc/install.texi: Document --with-riscv-attribute.
7026         * doc/invoke.texi: Document -mriscv-attribute.
7027
7028         * common/config/riscv/riscv-common.c:
7029         Include config/riscv/riscv-protos.h.
7030         (INCLUDE_STRING): Defined.
7031         (RISCV_DONT_CARE_VERSION): Defined.
7032         (riscv_subset_t): Declare.
7033         (riscv_subset_t::riscv_subset_t): New.
7034         (riscv_subset_list): Declare.
7035         (riscv_subset_list::riscv_subset_list): New.
7036         (riscv_subset_list::~riscv_subset_list): Likewise.
7037         (riscv_subset_list::parsing_subset_version): Likewise.
7038         (riscv_subset_list::parse_std_ext): Likewise.
7039         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7040         (riscv_subset_list::add): Likewise.
7041         (riscv_subset_list::lookup): Likewise.
7042         (riscv_subset_list::xlen): Likewise.
7043         (riscv_subset_list::parse): Likewise.
7044         (riscv_supported_std_ext): Likewise.
7045         (current_subset_list): Likewise.
7046         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7047         parse.
7048
7049 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7050
7051         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7052         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7053         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7054
7055 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7056
7057         PR rtl-optimization/85899
7058         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7059         fallthru edges leading to the exit block.
7060
7061 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7062
7063         PR target/89517
7064         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7065         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7066
7067 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7068
7069         PR tree-optimization/89535
7070         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7071         for each operand.  Calculate the fallback choice for mask operands
7072         and pass it to vect_get_vec_def_for_operand.
7073
7074 2019-03-01  Richard Biener  <rguenther@suse.de>
7075
7076         PR middle-end/89541
7077         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7078         get virtual operands.
7079         (get_expr_operands): Handle CONST_DECL like other decls.
7080
7081 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7082
7083         PR middle-end/89503
7084         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7085         on DECL_P and EXPR_P.
7086
7087 2019-03-01  Richard Biener  <rguenther@suse.de>
7088
7089         PR middle-end/89497
7090         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7091         argument, defaulted to zero.
7092         * passes.c (execute_function_todo): Pass down SSA update flags
7093         to cleanup_tree_cfg.
7094         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7095         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7096         form if requested.
7097         (cleanup_tree_cfg): Get and pass down SSA update flags.
7098
7099 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7100
7101         PR bootstrap/89539
7102         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7103         early_lto_debug argument.
7104
7105 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7106
7107         PR tree-optimization/89536
7108         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7109         only whether bit #0 of the value is 0 instead of the entire value.
7110
7111 2019-02-28  Marek Polacek  <polacek@redhat.com>
7112
7113         PR c++/87068 - missing diagnostic with fallthrough statement.
7114         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7115         at the end of a seq, save its location to walk_stmt_info.
7116         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7117         a switch.
7118
7119 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7120
7121         PR lto/88585
7122         * tree.c (find_atomic_core_type): Move ahead in file.
7123         (check_base_type): Correctly compare alignments of atomic types.
7124
7125 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7126
7127         PR target/89455
7128         * config/i386/i386.c (get_builtin_code_for_version): Identify
7129         Westmere from PCLMUL, instead of AES.
7130
7131 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7132
7133         PR target/89434
7134         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7135         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7136         -UINTVAL (...).
7137
7138 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7139
7140         PR target/88530
7141         * config/aarch64/aarch64-option-extensions.def: Document it.
7142         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7143         if empty hwcaps.
7144
7145 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7146
7147         PR c/89520
7148         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7149         builtins if they don't have a single scalar floating point argument.
7150         Formatting fixes.
7151
7152 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7153
7154         PR rtl-optimization/89490
7155         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7156         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7157         block section is not mergeable.
7158
7159 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7160
7161         PR target/70341
7162         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7163         old define_insn to ...
7164         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7165         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7166         Rename old define_insn to ...
7167         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7168         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7169         define_insn to ...
7170         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7171         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7172         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7173
7174 2019-02-27  Richard Biener  <rguenther@suse.de>
7175
7176         PR debug/88878
7177         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7178
7179 2019-02-27  Richard Biener  <rguenther@suse.de>
7180
7181         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7182         building.
7183
7184 2019-02-27  Richard Biener  <rguenther@suse.de>
7185
7186         PR debug/88878
7187         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7188         parameter, prefix section name with .gnu.debuglto_ if true.
7189         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7190         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7191
7192 2019-02-27  Richard Biener  <rguenther@suse.de>
7193
7194         PR debug/89514
7195         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7196         rather than on use_debug_types, doing what output_die does.
7197         (value_format): Likewise.
7198
7199 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7200             Martin Sebor  <msebor@redhat.com>
7201
7202         * doc/invoke.texi (Warning Options): Reword description of
7203         -Wno-absolute-value.
7204
7205 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7206
7207         PR tree-optimization/89280
7208         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7209         builtin_setjmp_setup_bb): New functions.
7210         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7211         When visiting __builtin_setjmp_setup block, queue in special
7212         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7213         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7214         from visited after the loop if they don't have any visited successor
7215         blocks.
7216
7217 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7218
7219         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7220         New function.
7221         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7222
7223 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7224
7225         PR c++/89507
7226         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7227         with types other than sizetype/ssizetype.
7228
7229 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7230
7231         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7232         (enum sparc_processor_type): ...this.
7233         (enum sparc_code_model_type): New enumeration type.
7234         (enum sparc_memory_model_type): Tweak comments.
7235         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7236         (mtune): Likewise.
7237         (mcmodel): Use sparc_code_model enumeration and variable.
7238         (sparc_code_model): New enumeration.
7239         (mdebug): Add Undocumented marker.
7240         * config/sparc/sparc.h (enum cmodel): Delete.
7241         (sparc_cmodel): Likewise.
7242         (TARGET_CM_MEDLOW): Adjust to above renaming.
7243         (TARGET_CM_MEDMID): Likewise.
7244         (TARGET_CM_MEDANY): Likewise.
7245         (TARGET_CM_EMBMEDANY): Likewise.
7246         * config/sparc/sparc.c (sparc_cmodel): Delete.
7247         (sparc_option_override): Remove string/value mapping support for the
7248         code model.  Move code and memory model support to after the handling
7249         of target flags.  Do private machine setup last.
7250         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7251         (sparc_legitimize_reload_address): Likewise.
7252         (sparc_output_mi_thunk): Likewise.
7253         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7254
7255 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7256
7257         PR tree-optimization/89500
7258         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7259         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7260         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7261         cst if the first cst bytes starting at x are known to be non-zero,
7262         even if the string is not zero terminated.  Don't try to modify
7263         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7264         we can prove strnlen returns the same value as strlen would.
7265
7266 2019-02-26  Martin Liska  <mliska@suse.cz>
7267
7268         * alloc-pool.h (struct pool_usage): Remove extra
7269         print_dash_line.
7270         * bitmap.h (struct bitmap_usage): Likewise.
7271         * ggc-common.c (struct ggc_usage): Likewise.
7272         * mem-stats.h (struct mem_usage): Likewise.
7273         (mem_alloc_description::dump): Print dash lines
7274         here and repeat header at the end of a table report.
7275         It's then more readable.
7276         * tree-phinodes.c (phinodes_print_statistics): Make
7277         horizontal alignment.
7278         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7279         * vec.c (struct vec_usage): Remove extra print_dash_line.
7280         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7281
7282 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7283
7284         * doc/extend.texi (__builtin_object_size):
7285         Use @pxref instead of @xref inside parenthesis.
7286         (__builtin_has_attribute): Add missing comma after @xref.
7287         (__builtin_object_size): Ditto.
7288         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7289         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7290         in the list.
7291
7292 2019-02-26  Jeff Law  <law@redhat.com>
7293
7294         PR rtl-optimization/87761
7295         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7296         detect obviously dead insns and delete them.
7297
7298 2019-02-26  Richard Biener  <rguenther@suse.de>
7299
7300         PR tree-optimization/89505
7301         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7302         to handle restrict pointed-to vars with multiple subvars
7303         correctly.
7304
7305 2019-02-26  Richard Biener  <rguenther@suse.de>
7306
7307         PR tree-optimization/89489
7308         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7309
7310 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7311
7312         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7313         and move around comment.
7314         <BIT_AND_EXPR>: Likewise.
7315         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7316
7317 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7318
7319         PR target/89474
7320         * config/i386/i386.c (remove_partial_avx_dependency): Call
7321         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7322         after changing possibly many instructions to use that pseudo.  Fix up
7323         insertion of v4sf_const0 setter at the start of bb.
7324
7325 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7326
7327         PR c/80409
7328         * doc/extend.texi (Variadic Pointer Args): New section.
7329
7330 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7331             Martin Sebor  <msebor@gmail.com>
7332
7333         * common.opt (Wattribute-alias): Likewise.
7334         * doc/invoke.texi (Option Summary): List general form of
7335         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7336         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7337         Add cross-references.
7338         (-Wattribute-alias): Rewrite and correct default.  Mention
7339         considered attributes (same as for -Wmissing-attributes).
7340
7341 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7342
7343         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7344         (_mm_cvtpd_ps): Likewise.
7345         (_mm_cvttpd_epi32): Likewise.
7346
7347         PR target/89338
7348         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7349         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7350
7351         PR target/89339
7352         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7353
7354 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7355
7356         PR target/88530
7357         * common/config/aarch64/aarch64-common.c
7358         (struct aarch64_option_extension): Add is_synthetic.
7359         (all_extensions): Use it.
7360         (TARGET_OPTION_INIT_STRUCT): Define hook.
7361         (struct gcc_targetm_common): Moved to end.
7362         (all_extensions_by_on): New.
7363         (opt_ext_cmp, typedef opt_ext): New.
7364         (aarch64_option_init_struct): New.
7365         (aarch64_contains_opt): New.
7366         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7367         * config/aarch64/aarch64-option-extensions.def
7368         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7369         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7370         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7371         Set is_synthetic to false.
7372         (crypto): Set is_synthetic to true.
7373         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7374         SYNTHETIC.
7375
7376 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7377
7378         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7379         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7380         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7381         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7382         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7383         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7384         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7385         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7386         Rename ...
7387         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7388         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7389         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7390         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7391         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7392         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7393         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7394         vfmlsl_laneq_high_f16): ... To this.
7395         * config/arm/neon.md: Update comments.
7396
7397 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7398
7399         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7400         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7401         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7402         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7403         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7404         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7405         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7406         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7407         Rename ...
7408         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7409         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7410         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7411         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7412         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7413         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7414         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7415         vfmlslq_laneq_high_f16): ... To this.
7416
7417 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7418
7419         PR rtl-optimization/86096
7420         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7421         comparing mw_order values.
7422
7423 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7424
7425         PR target/89434
7426         * config/arm/arm.md (*subsi3_carryin_const): Use
7427         arm_neg_immediate_operand predicate instead of
7428         arm_not_immediate_operand, "L" constraint instead of "K" and
7429         print it using %n2 instead of %B2.
7430         (*subsi3_carryin_const0): New define_insn.
7431         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7432         instead of arm_not_operand and "I" constraint instead of "K" and
7433         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7434         another match_operand and in the condition check that it is negation
7435         of operands[2].
7436         (*subsi3_carryin_compare_const0): New define_ins.
7437         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7438         *subsi3_carryin_const.
7439         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7440         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7441
7442         PR target/89438
7443         * config/arm.vfp.md (*negdf2_vfp): Use
7444         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7445         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7446
7447 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7448
7449         PR rtl-optimization/89445
7450         * simplify-rtx.c (simplify_ternary_operation): Don't use
7451         simplify_merge_mask on operands that may trap.
7452         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7453         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7454         second operand is CONST_VECTOR, check if any element could be zero.
7455         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7456         their operands can trap.
7457
7458 2019-02-23  Martin Sebor  <msebor@redhat.com>
7459
7460         * gimple-ssa-sprintf.c (target_strtol): Rename...
7461         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7462         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7463         check for range error.
7464
7465 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7466
7467         PR driver/69471
7468         * opts-common.c (prune_options): Also prune joined switches
7469         with Negative and RejectNegative.
7470         * config/i386/i386.opt (march=): Add Negative(march=).
7471         (mtune=): Add Negative(mtune=).
7472         * doc/options.texi: Document Negative used together with Joined
7473         and RejectNegative.
7474
7475 2019-02-22  Martin Sebor  <msebor@redhat.com>
7476
7477         * doc/extend.texi (Other Builtins): Add
7478         __builtin_is_constant_evaluated.
7479
7480 2019-02-22  Richard Biener  <rguenther@suse.de>
7481
7482         PR tree-optimization/87609
7483         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7484
7485 2019-02-22  Jeff Law  <law@redhat.com>
7486
7487         PR rtl-optimization/87761
7488         * config/mips/mips.md: Add new combiner pattern to recognize
7489         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7490
7491 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7492
7493         PR target/89324
7494         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7495         destination register in peepholes generating patterns for ADDS/SUBS.
7496         (add<mode>3_compare0,
7497         *addsi3_compare0_uxtw, add<mode>3_compareC,
7498         add<mode>3_compareV_imm, add<mode>3_compareV,
7499         *adds_<optab><ALLX:mode>_<GPI:mode>,
7500         *subs_<optab><ALLX:mode>_<GPI:mode>,
7501         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7502         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7503         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7504         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7505         sub<mode>3_compare1): Allow stack pointer for source register.
7506         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7507
7508 2019-02-22  Martin Sebor  <msebor@redhat.com>
7509
7510         PR tree-optimization/88993
7511         PR tree-optimization/88853
7512         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7513         New helper.
7514         (sprintf_dom_walker::call_info::is_string_func): New helper.
7515         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7516         for formatted string functions.
7517         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7518
7519 2019-02-22  Martin Sebor  <msebor@redhat.com>
7520
7521         PR c/89425
7522         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7523         unreachable subexpressions.
7524
7525 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7526             Hongtao Liu  <hongtao.liu@intel.com>
7527             Sunil K Pandey  <sunil.k.pandey@intel.com>
7528
7529         PR target/87007
7530         * config/i386/i386-passes.def: Add
7531         pass_remove_partial_avx_dependency.
7532         * config/i386/i386-protos.h
7533         (make_pass_remove_partial_avx_dependency): New.
7534         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7535         New function.
7536         (pass_data_remove_partial_avx_dependency): New.
7537         (pass_remove_partial_avx_dependency): Likewise.
7538         (make_pass_remove_partial_avx_dependency): Likewise.
7539         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7540         (*extendsfdf2): Add avx_partial_xmm_update.
7541         (truncdfsf2): Likewise.
7542         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7543         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7544
7545 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7546
7547         PR middle-end/85598
7548         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7549         analysis for pass.
7550
7551 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7552
7553         PR target/89444
7554         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7555         (PTA_SKYLAKE): Add PTA_AES.
7556         (PTA_GOLDMONT): Likewise.
7557
7558 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7559
7560         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7561         instruction if enabled.
7562         (aarch64_override_options): Remove reference to return address key.
7563
7564 2019-02-22  Richard Biener  <rguenther@suse.de>
7565
7566         PR tree-optimization/89440
7567         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7568         not necessary assert.
7569
7570 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7571
7572         PR fortran/72741
7573         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7574         (oacc_replace_fn_attrib_attr): ... this new function.
7575         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7576         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7577
7578 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7579
7580         * config/arm/arm-cpus.in (ares): Rename to...
7581         (neoverse-n1): ... This.  Add ares as alias.
7582         * config/arm/arm-tables.opt: Regenerate.
7583         * config/arm/arm-tune.md: Likewise.
7584         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7585
7586 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7587
7588         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7589         * config/aarch64/aarch64-tune.md: Regenerate.
7590         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7591
7592 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7593
7594         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7595         (neoversen1_tunings): ... This.
7596         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7597         (neoverse-n1): New CPU.
7598         * config/aarch64/aarch64-tune.md: Regenerate.
7599         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7600
7601 2019-02-22  Richard Biener  <rguenther@suse.de>
7602
7603         PR middle-end/87609
7604         * cfghooks.h (dependence_hash): New typedef.
7605         (struct copy_bb_data): New type.
7606         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7607         (duplicate_block): Likewise.
7608         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7609         (copy_bbs): Create and pass down copy_bb_data.
7610         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7611         (rtl_duplicate_bb): Likewise.
7612         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7613         remap dependence info.
7614
7615 2019-02-22  Richard Biener  <rguenther@suse.de>
7616
7617         PR tree-optimization/87609
7618         * tree-core.h (tree_base): Document special clique values.
7619         * tree-inline.c (remap_dependence_clique): Do not use the
7620         special clique value of one.
7621         (maybe_set_dependence_info): Use clique one.
7622         (clear_dependence_clique): New callback.
7623         (compute_dependence_clique): Clear clique one from all refs
7624         before assigning it (again).
7625
7626 2019-02-21  Martin Sebor  <msebor@redhat.com>
7627
7628         * doc/extend.texi (__clear_cache): Correct signature.
7629
7630 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7631
7632         PR go/89170
7633         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7634         than output_constant_def.
7635         (add_constant_to_table): New static function.
7636         (output_constant_def): Call add_constant_to_table.
7637         (tree_output_constant_def): Likewise.
7638
7639 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7640
7641         PR c++/89285
7642         * builtins.c (fold_builtin_arith_overflow): If first two args are
7643         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7644         to ifn.
7645
7646 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7647
7648         PR target/87412
7649         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7650         error for -mindirect-branch/-mfunction-return with incompatible
7651         -fcf-protection.
7652
7653 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7654
7655         PR bootstrap/88714
7656         * constraints.md (q): Remove.
7657         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7658         instead of q.
7659
7660 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7661
7662         PR hsa/89302
7663         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7664         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7665         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7666         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7667         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7668         proper values to new parameters of omp_adjust_for_condition.
7669
7670 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7671
7672         PR middle-end/89412
7673         * expr.c (expand_assignment): If result is a MEM, use change_address
7674         instead of simplify_gen_subreg.
7675
7676 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7677             David Malcolm  <dmalcolm@redhat.com>
7678
7679         PR middle-end/89091
7680         * fold-const.c (decode_field_reference): Return NULL_TREE if
7681         lang_hooks.types.type_for_size returns NULL.  Check it before
7682         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7683
7684 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7685
7686         PR middle-end/88074
7687         PR middle-end/89415
7688         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7689         buggy mpc_norm.
7690
7691 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7692
7693         PR target/89397
7694         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7695         TARGET_SSE in addition to TARGET_SSE_MATH.
7696
7697         (ix86_excess_precision): Ditto.
7698         (ix86_float_exceptions_rounding_supported_p): Ditto.
7699         (use_rsqrt_p): Ditto.
7700         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7701
7702 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7703
7704         PR c/89410
7705         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7706         linenum_arith_t when determining if two adjacent line spans are
7707         close enough to merge.
7708         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7709         lines within each line_span.
7710
7711 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7712
7713         PR target/86487
7714         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7715         paradoxical SUBREGS.
7716
7717 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7718
7719         PR target/88100
7720         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7721         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7722         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7723         range checking it.
7724
7725 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7726
7727         * config/gcn/gcn.c (print_operand): Fix typo.
7728
7729 2019-02-19  Richard Biener  <rguenther@suse.de>
7730
7731         PR middle-end/88074
7732         * toplev.c (do_compile): Initialize mpfr's exponent range
7733         based on available float modes.
7734
7735 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7736
7737         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7738         as long as the epilogue isn't completed.
7739
7740 2019-02-18  Martin Sebor  <msebor@redhat.com>
7741
7742         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7743         __has_cpp_attribute, and __has_include.
7744
7745 2019-02-18  Martin Sebor  <msebor@redhat.com>
7746
7747         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7748
7749 2019-02-18  Martin Sebor  <msebor@redhat.com>
7750
7751         PR middle-end/89294
7752         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7753         expression.
7754         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7755
7756 2019-02-18  Richard Biener  <rguenther@suse.de>
7757
7758         PR tree-optimization/89296
7759         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7760         of no-warning flag to cases that might emit the bogus warning.
7761
7762 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7763
7764         PR bootstrap/88714
7765         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7766         "q" constraint.
7767         * config/arm/vfp.md (*movdi_vfp): Likewise.
7768         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7769         "q" constraint for operands[0].
7770
7771         PR target/89369
7772         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7773         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7774         pattern in a temporary buffer.
7775         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7776         than 64-operands[2].
7777
7778         PR target/89361
7779         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7780         s390_indirect_branch_settings): Define unconditionally.
7781         (s390_set_current_function): Likewise, but guard the whole body except
7782         the s390_indirect_branch_settings call with
7783         #if S390_USE_TARGET_ATTRIBUTE.
7784         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7785
7786         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7787         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7788         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7789         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7790         HOST_WIDE_INT_1U instead of 1ULL.
7791         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7792         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7793         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7794         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7795         instead of 1UL.
7796         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7797         instead of 1ul.
7798
7799 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7800
7801         PR tree-optimization/89209
7802         * tree-sra.c (create_access_replacement): New optional parameter
7803         reg_tree.  Use it as a type if non-NULL and access type is not of
7804         a register type.
7805         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7806         to create_access_replacement.
7807         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7808         Check lacc is non-NULL before attempting to re-create it on the RHS.
7809
7810 2019-02-18  Martin Liska  <mliska@suse.cz>
7811
7812         PR ipa/89306
7813         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7814         by default.
7815         (symbol_table::free_edge): Recycle m_summary_id.
7816         * cgraph.h (get_summary_id): New.
7817         (symbol_table::release_symbol): Set m_summary_id to -1
7818         by default.
7819         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7820         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7821         function_summary to fast_function_summary.
7822         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7823         * ipa-pure-const.c (class funct_state_summary_t):
7824         Switch from function_summary to fast_function_summary.
7825         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7826         (class ipa_ref_opt_summary_t): Switch from function_summary
7827         to fast_function_summary.
7828         * symbol-summary.h (class function_summary_base): New class
7829         that is created from base of former function_summary.
7830         (function_summary_base::unregister_hooks): New.
7831         (class function_summary): Inherit from function_summary_base.
7832         (class call_summary_base): New class
7833         that is created from base of former call_summary.
7834         (class call_summary): Inherit from call_summary_base.
7835         (struct is_same): New.
7836         (class fast_function_summary): New summary class.
7837         (class fast_call_summary): New summary class.
7838         * vec.h (vec_safe_grow_cleared): New function.
7839
7840 2019-02-18  Martin Liska  <mliska@suse.cz>
7841
7842         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7843         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7844         * doc/tm.texi: Document new target hook.
7845         * doc/tm.texi.in: Likewise.
7846         * target.def: Add new target macro.
7847         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7848         suffixes.
7849
7850 2019-02-17  Alan Modra  <amodra@gmail.com>
7851
7852         PR target/89271
7853         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7854         output reg on add insn.
7855         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7856
7857 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7858
7859         PR target/89372
7860         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7861         (PMULHRSW): Likewise.
7862         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7863         TARGET_AVX2.
7864         (ssse3_pmulhrswv4hi3): New expander.
7865
7866 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7867
7868         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7869         MMX.  Add isa attribute.
7870
7871 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7872
7873         PR rtl-optimization/66152
7874         * builtins.h (c_readstr): Declare.
7875         * builtins.c (c_readstr): Remove forward declaration.  Add
7876         null_terminated_p argument, if false, read all bytes from the
7877         string instead of stopping after '\0'.
7878         * expr.c (string_cst_read_str): New function.
7879         (store_expr): Use string_cst_read_str instead of
7880         builtin_strncpy_read_str.  Try to store by pieces the whole
7881         exp_len first, and only if that fails, split it up into
7882         store by pieces followed by clear_storage.  Formatting fix.
7883
7884         * config/i386/i386.md (*movqi_internal): Remove static from
7885         buf variable.  Use output_asm_insn (buf, operands); return "";
7886         instead of return buf;.
7887         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7888         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7889         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7890
7891 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7892
7893         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7894         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7895         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7896         (CC1_SPEC): Likewise.
7897         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7898
7899 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7900
7901         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7902         the base address on 64-bit strict-alignment platforms.
7903
7904 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7905
7906         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7907
7908 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7909
7910         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7911
7912 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7913
7914         PR rtl-optimization/88308
7915         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7916         on copied instruction.
7917
7918 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7919
7920         * final.c (insn_current_reference_address): Replace test on JUMP_P
7921         with test on jump_to_label_p.
7922         * config/visium/visium-passes.def: New file.
7923         * config/visium/t-visium (PASSES_EXTRA): Define.
7924         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7925         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7926         (TRAMPOLINE_ALIGNMENT): Define.
7927         * config/visium/visium.c (visium_option_override): Do not register
7928         the machine-specific reorg pass here.
7929         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7930         for the GR6.
7931         (output_branch): Adjust threshold for long branch instruction.
7932         * config/visium/visium.md (cpu): Move around.
7933         (length): Adjust for the GR6.
7934
7935 2019-02-15  Richard Biener  <rguenther@suse.de>
7936             Jakub Jelinek  <jakub@redhat.com>
7937
7938         PR tree-optimization/89278
7939         * tree-loop-distribution.c: Include tree-eh.h.
7940         (generate_memset_builtin, generate_memcpy_builtin): Call
7941         rewrite_to_non_trapping_overflow on builtin->size before passing it
7942         to force_gimple_operand_gsi.
7943
7944 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7945
7946         PR other/89342
7947         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7948         optimize_debug.
7949         * opth-gen.awk: Likewise.
7950
7951 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7952
7953         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7954         Enable MMX, SSE and SSE2 by default.
7955         * config/i386/i386.c (ix86_option_override_internal): Do not
7956         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7957
7958 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7959
7960         PR rtl-optimization/89354
7961         * combine.c (make_extraction): Punt if extraction_mode is narrower
7962         than len bits.
7963
7964 2019-02-14  Maya Rashish  <coypu@sdf.org>
7965
7966         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7967         * config/netbsd-d.c: New file.
7968         * config/t-netbsd: Add netbsd-d.o
7969
7970 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7971
7972         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7973         affects_type_identity to true for aarch64_vector_pcs.
7974         (aarch64_comp_type_attributes): New function.
7975         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7976
7977 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7978
7979         PR target/88850
7980         * config/arm/iterators.md (ANY64): Add V4HF.
7981
7982 2019-02-14  Martin Liska  <mliska@suse.cz>
7983
7984         PR rtl-optimization/89242
7985         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7986         process a transformation.
7987
7988 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7989
7990         PR tree-optimization/89314
7991         * fold-const.c (fold_binary_loc): Cast strlen argument to
7992         const char * before dereferencing it.  Formatting fixes.
7993
7994         PR middle-end/89284
7995         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7996
7997 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7998
7999         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8000         and set current index for other optimizations.
8001
8002 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8003
8004         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8005         nonimmediate_operand as operand 2 predicate.
8006         (vec_set<VF2_512_256:mode>_0): Ditto.
8007         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8008         (*vec_concatv2si): Remove alternative 2.
8009         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8010         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8011         (vec_concatv2di): Split alternatives 4,5,6 to ...
8012         (*vec_concatv2di_0) ... new pattern.
8013
8014 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8015
8016         PR target/89190
8017         * config/arm/arm.c (ldm_stm_operation_p) Set
8018         addr_reg_in_reglist correctly for first register.
8019         (load_multiple_sequence): Remove dead base check.
8020         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8021
8022 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8023
8024         PR target/88847
8025         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8026         Expose as @aarch64_pred_mov.
8027         * config/aarch64/aarch64.c (aarch64_classify_address):
8028         Use expand_insn which legitimizes operands.
8029
8030 2019-02-13  Martin Liska  <mliska@suse.cz>
8031
8032         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8033         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8034         and pointer_offset fields.
8035         (initialize_argument_information): Remove usage of dead
8036         fields.
8037         * cgraph.h (struct cgraph_thunk_info): Remove
8038         add_pointer_bounds_args.
8039         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8040         fields.
8041         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8042         fields.
8043         * config/i386/i386.c (ix86_function_arg_advance): Remove
8044         unrelated comment.
8045         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8046         (def_builtin):  Remove usage of dead
8047         fields.
8048         (ix86_add_new_builtins): Likewise.
8049         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8050         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8051         (sem_function::init): Likewise.
8052         (sem_variable::merge): Likewise.
8053         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8054         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8055         * lto-cgraph.c (lto_output_node): Likewise.
8056         (lto_output_varpool_node): Likewise.
8057         (input_node): Likewise.
8058         (input_varpool_node): Likewise.
8059         * lto-streamer-out.c (lto_output): Likewise.
8060         * tree-inline.c (expand_call_inline): Remove usage of
8061         assign_stmts.
8062         * tree-inline.h (struct copy_body_data): Likewise.
8063         * varpool.c (varpool_node::dump): Likewise.
8064
8065 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8066
8067         PR middle-end/89303
8068         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8069         into pt->vars_contains_escaped_heap instead of setting
8070         pt->vars_contains_escaped_heap to it.
8071
8072         PR middle-end/89281
8073         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8074         INTVAL (size), compare it to GET_MODE_MASK instead of
8075         1 << GET_MODE_BITSIZE.
8076
8077         PR target/89290
8078         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8079         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8080         -mcmodel=large.
8081
8082 2019-02-13  Martin Liska  <mliska@suse.cz>
8083
8084         PR lto/88858
8085         * cfgrtl.c (remove_barriers_from_footer): New function.
8086         (try_redirect_by_replacing_jump): Use it.
8087         (cfg_layout_redirect_edge_and_branch): Likewise.
8088
8089 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8090
8091         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8092         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8093         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8094         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8095         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8096         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8097         New BU_CRYPTO_2.
8098         * config/rs6000/rs6000.c (builtin_function_type)
8099         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8100         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8101         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8102         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8103         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8104
8105 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8106
8107         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8108         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8109
8110 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8111
8112         PR target/89229
8113         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8114         268678 and revision 268657.
8115         (*movti_internal): Likewise.
8116
8117 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8118
8119         PR target/89233
8120         * config/s390/s390.c (s390_decompose_address): Update comment.
8121         (s390_check_qrst_address): Reject invalid address forms after
8122         LRA.
8123
8124 2019-02-12  Martin Liska  <mliska@suse.cz>
8125
8126         PR lto/88876
8127         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8128         we need default values of funct_state for a function that
8129         is not optimized.
8130
8131 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8132
8133         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8134         the object to pick the size of stores on strict-alignment platforms.
8135
8136         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8137         (*movdi_insn_sp32): Likewise.
8138         (*movdi_insn_sp64): Likewise.
8139
8140 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8141
8142         PR lto/88677
8143         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8144         types that needs constructiong.
8145         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8146
8147 2019-02-12  Richard Biener  <rguenther@suse.de>
8148
8149         PR tree-optimization/89253
8150         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8151         duplicate the loop.
8152
8153 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8154
8155         PR lto/88147
8156         * input.c (selftest::test_line_offset_overflow): New selftest.
8157         (selftest::input_c_tests): Call it.
8158
8159 2019-02-11  Martin Sebor  <msebor@redhat.com>
8160
8161         PR tree-optimization/88771
8162         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8163         when -Wstringop-overflow is set.
8164         (builtin_memref::builtin_memref): Adjust excessive upper bound
8165         only when lower bound is not excessive.
8166         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8167         -Wstringop-ovefflow.
8168         (maybe_diag_offset_bounds): Rename...
8169         (maybe_diag_access_bounds): ...to this.
8170         (check_bounds_or_overlap): Adjust for name change above.
8171
8172 2019-02-11  Martin Sebor  <msebor@redhat.com>
8173
8174         PR c++/87996
8175         * builtins.c (max_object_size): Move from here...
8176         * builtins.h (max_object_size): ...and here...
8177         * tree.c (max_object_size): ...to here...
8178         * tree.h (max_object_size): ...and here.
8179
8180 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8181
8182         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8183         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8184         for correct semantics.
8185
8186 2019-02-11  Alan Modra  <amodra@gmail.com>
8187
8188         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8189         -mlongcall and -mpltseq.
8190         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8191         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8192         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8193         * config/rs6000/sysv4.opt (mpltseq): New option.
8194         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8195         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8196         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8197         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8198         -mpltseq given for ELFv1.
8199         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8200         Only use UNSPEC_PLTSEQ for inline PLT calls.
8201         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8202         use UNSPEC_PLTSEQ for inline PLT calls.
8203         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8204         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8205         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8206         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8207         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8208         (pltseq_mtctr_<mode>): Likewise.
8209
8210 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8211
8212         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8213         Solaris ld.
8214         * configure: Regenerate.
8215
8216 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8217
8218         PR bootstrap/88714
8219         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8220         instead of r.
8221
8222 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8223
8224         * function.c (assign_parm_setup_block): Use the stored
8225         size, not the passed size, when allocating stack-space,
8226         also for a parameter with alignment larger than
8227         MAX_SUPPORTED_STACK_ALIGNMENT.
8228
8229 2019-02-11  Martin Liska  <mliska@suse.cz>
8230
8231         PR ipa/89009
8232         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8233         * ipa-inline.c (inline_small_functions): Likewise.
8234         * ipa-pure-const.c (propagate_pure_const): Likewise.
8235         (propagate_nothrow): Likewise.
8236         * ipa-reference.c (propagate): Likewise.
8237         * ipa-utils.c (struct searchc_env): Remove unused field.
8238         (searchc): Always search across AVAIL_INTERPOSABLE.
8239         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8240         the only called IPA pure const can properly not propagate
8241         across interposable boundary.
8242         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8243
8244 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8245
8246         * config/nds32/nds32.md (call_internal, call_value_internal,
8247         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8248
8249 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8250
8251         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8252         typo.
8253
8254 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8255
8256         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8257         in comments
8258
8259 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8260
8261         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8262
8263 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8264
8265         PR tree-optimization/89268
8266         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8267         if preds is non-NULL.
8268
8269 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8270
8271         PR lto/89272
8272         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8273         polymorphic types.
8274
8275 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8276
8277         * config/nds32/nds32.md (trap): New pattern.
8278
8279 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8280
8281         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8282         dwarf span.
8283
8284 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8285
8286         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8287         to split POST_INC.
8288
8289 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8290
8291         * ipa-visibility.c (localize_node): Also do not localize
8292         LDPR_PREVAILING_DEF_IRONLY_EXP.
8293
8294 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8295
8296         PR lto/87957
8297         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8298         instead of type_with_linkage.
8299
8300 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8301
8302         PR ipa/88755
8303         * params.def (uninlined-function-insns, uninlined-function-time,
8304         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8305         bound so we don't get overflows.
8306
8307 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8308
8309         * config/rs6000/rs6000-string.c (expand_compare_loop,
8310         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8311         memcmp/strncmp.
8312
8313 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8314
8315         PR middle-end/89246
8316         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8317         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8318         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8319
8320 2019-02-09  Alan Modra  <amodra@gmail.com>
8321
8322         PR target/88343
8323         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8324         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8325         setup.
8326
8327 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8328
8329         PR middle-end/88560
8330         * lra-constraints.c (process_alt_operands): Don't increase reject
8331         for memory when offset memory is required.
8332
8333 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8334
8335         * config/s390/vector.md: Implement vector copysign.
8336
8337 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8338
8339         * expr.c (expand_constructor): Correct indentations.
8340
8341 2019-02-08  Richard Biener  <rguenther@suse.de>
8342
8343         PR tree-optimization/89247
8344         * tree-if-conv.c: Include tree-cfgcleanup.h.
8345         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8346         (tree_if_conversion): Pass through predicate vector.
8347         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8348         inline, see if any if-converted loops we refrece in
8349         LOOP_VECTORIZED calls vanished and fixup.
8350         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8351
8352 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8353
8354         * config/s390/constraints.md (jdd): New constraint.
8355
8356 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8357
8358         PR target/89229
8359         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8360         upper 16 vector registers without TARGET_AVX512VL.
8361         (*movti_internal): Likewise.
8362
8363 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8364
8365         PR rtl-optimization/89234
8366         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8367         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8368         (copy_reg_eh_region_note_backward): Likewise.
8369
8370 2019-02-08  Richard Biener  <rguenther@suse.de>
8371
8372         PR middle-end/89223
8373         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8374         doesn't fit in HWI.
8375         (analyze_subscript_affine_affine): Handle failure from
8376         initialize_matrix_A.
8377
8378 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8379
8380         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8381         cfun everywhere.
8382
8383 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8384
8385         PR tree-optimization/86637
8386         PR tree-optimization/89235
8387         * tree-vect-loop.c (optimize_mask_stores): Add an
8388         auto_purge_vect_location sentinel to ensure that vect_location is
8389         purged on exit.
8390         * tree-vectorizer.c
8391         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8392         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8393         to ensure that vect_location is purged on exit.
8394         (pass_slp_vectorize::execute): Likewise, replacing the manual
8395         reset.
8396         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8397
8398 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8399
8400         * config/aarch64/iterators.md (max_opp): New code_attr.
8401         (USMAX): New code iterator.
8402         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8403         (aarch64_smax): Likewise.
8404         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8405         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8406         MINUS (MAX MIN).
8407
8408 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8409
8410         PR target/89229
8411         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8412         for TARGET_AVX512VL.
8413         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8414
8415 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8416
8417         * config/s390/s390-builtin-types.def: Add new types.
8418         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8419         (s390_vec_xlw4): Make the memory operand into a const pointer.
8420         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8421         float.
8422         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8423         a new vector type with the alignment of the scalar memory operand.
8424
8425 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8426             Jakub Jelinek  <jakub@redhat.com>
8427
8428         PR bootstrap/88714
8429         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8430         arm_count_ldrdstrd_insns): New declarations.
8431         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8432         MINUS.
8433         (valid_operands_ldrd_strd): New function.
8434         (arm_count_ldrdstrd_insns): New function.
8435         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8436         sets instead of single DImode set and define new insns to match this.
8437
8438 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8439
8440         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8441         Make it a C initializer.
8442
8443 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8444
8445         PR/target 88850
8446         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8447
8448 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8449
8450         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8451         Use neon_dot<q> for type.
8452         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8453
8454 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8455
8456         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8457         Use neon_dot<q> for type.
8458         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8459         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8460
8461 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8462
8463         PR rtl-optimization/89225
8464         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8465         sizes check.
8466
8467 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8468
8469         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8470         after restoring registers saved to allocate the frame on Windows.
8471
8472 2019-02-06  Richard Biener  <rguenther@suse.de>
8473
8474         PR tree-optimization/89182
8475         * graphite.h (cached_scalar_evolution_in_region): Declare.
8476         * graphite.c (struct seir_cache_key): New.
8477         (struct sese_scev_hash): Likewise.
8478         (seir_cache): New global.
8479         (cached_scalar_evolution_in_region): New function.
8480         (graphite_transform_loops): Allocate and release seir_cache.
8481         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8482         cached_scalar_evolution_in_region.
8483         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8484         Simplify.
8485         (scop_detection::graphite_can_represent_expr: Use
8486         cached_scalar_evolution_in_region.
8487         (scop_detection::stmt_simple_for_scop_p): Likewise.
8488         (find_params_in_bb): Likewise.
8489         (gather_bbs::before_dom_children): Likewise.
8490         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8491         (add_loop_constraints): Likewise.
8492
8493 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8494
8495         PR middle-end/89210
8496         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8497         operand to new_unary_operation only if both element types are integral
8498         and it isn't a widening conversion.  Return NULL_TREE if
8499         new_unary_operation failed.
8500
8501 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8502
8503         PR target/88856
8504         * config/s390/s390.md: Remove load and test FP splitter.
8505
8506 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8507
8508         PR target/89112
8509         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8510         expand_compare_loop, expand_block_compare_gpr,
8511         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8512         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8513         #include "profile-count.h" and "predict.h" for types and functions
8514         needed to work with REG_BR_PROB notes.
8515
8516 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8517
8518         PR target/89112
8519         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8520         for the long branch case.
8521
8522 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8523
8524         PR target/89188
8525         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8526         can throw, non-call exceptions are enabled and we can't delete
8527         dead exceptions or alter cfg.  Set must_clean if
8528         delete_insn_and_edges returns true, don't set it blindly for calls.
8529         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8530
8531         PR rtl-optimization/89195
8532         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8533         of the original MEM.
8534
8535 2019-02-05  Martin Liska  <mliska@suse.cz>
8536
8537         PR gcov-profile/89000
8538         * gcov.c (function_summary): Remove argument.
8539         (file_summary): New function.
8540         (print_usage): Replace tabs with spaces.
8541         (generate_results): Use new function file_summary.
8542
8543 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8544
8545         PR target/89186
8546         * optabs.c (prepare_cmp_insn): Pass x and y to
8547         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8548
8549 2019-02-05  Richard Biener  <rguenther@suse.de>
8550
8551         PR middle-end/89150
8552         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8553         (struct bitmap_element): Drop chain_prev so we properly recurse on
8554         the prev member, supporting tree views.
8555         (struct bitmap_head): GTY skip the obstack member.
8556
8557 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8558
8559         PR c/88698
8560         * doc/extend.texi (Vector Extensions): Add an example of using vector
8561         types together with x86 intrinsics.
8562
8563 2019-02-04  Alan Modra  <amodra@gmail.com>
8564
8565         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8566         str[] size to 160, and comment.
8567
8568 2019-02-04  Alan Modra  <amodra@gmail.com>
8569
8570         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8571         (rs6000_pltseq_template): Guard output of TLS markers with
8572         TARGET_TLS_MARKERS.
8573         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8574         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8575         to use inline PLT sequences.
8576         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8577         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8578         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8579
8580 2019-02-04  Martin Liska  <mliska@suse.cz>
8581
8582         PR ipa/88985
8583         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8584         out when ipa_fn_summaries does not contain entry for callee.
8585
8586 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8587
8588         * config/sparc/sparc.h: Remove superfluous blank lines.
8589         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8590         (got_register_rtx): ...this.
8591         (sparc_got): Adjust to above renaming.
8592         (sparc_tls_got): Likewise.
8593         (sparc_delegitimize_address): Likewise.
8594         (sparc_output_mi_thunk): Likewise.
8595         (sparc_init_pic_reg): Likewise.
8596         (save_local_or_in_reg_p): Fix test on the GOT register.
8597         (USE_HIDDEN_LINKONCE): Move around.
8598         (get_pc_thunk_name): Likewise.
8599         (gen_load_pcrel_sym): Likewise.
8600         (load_got_register): Likewise.
8601
8602 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8603
8604         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8605         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8606
8607 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8608
8609         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8610         into consideration.
8611
8612 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8613
8614         * config.gcc (with_nds32_lib, glibc):
8615         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8616         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8617         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8618
8619 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8620
8621         PR target/89071
8622         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8623         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8624         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8625         (*rcpsf2_sse): Ditto.
8626         (*rsqrtsf2_sse): Ditto.
8627         (sse4_1_round<mode<2): Ditto.
8628
8629 2019-02-03  Richard Biener  <rguenther@suse.de>
8630
8631         PR debug/87295
8632         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8633         orig.
8634
8635 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8636
8637         PR middle-end/87887
8638         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8639         Punt with warning on aggregate return or argument types.  Ignore
8640         type/mode checking for uniform arguments.
8641
8642 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8643
8644         * combine.c (try_combine): Do not print "Can't combine" messages unless
8645         printing failed combination attempts.
8646
8647 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8648
8649         PR hsa/87863
8650         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8651         segment and global segment variables before making them static.
8652
8653 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8654
8655         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8656         missed optimization dump with dump_enabled_p.
8657
8658 2019-02-01  Richard Biener  <rguenther@suse.de>
8659
8660         PR middle-end/88597
8661         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8662         the instantiate cache.
8663         (instantiate_scev_binary): Elide second operand procesing
8664         if equal to the first.
8665         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8666         (chrec_contains_undetermined): Likewise.
8667         (tree_contains_chrecs): Likewise.
8668
8669 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8670
8671         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8672
8673 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8674
8675         PR tree-optimization/89143
8676         * wide-int-range.h (wide_int_range_absu): Declare.
8677         * wide-int-range.cc (wide_int_range_absu): New function.
8678         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8679
8680         PR tree-optimization/88107
8681         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8682         instead of assertion that eh_region_outermost is non-NULL, if it
8683         is NULL, set *ALL to true and return NULL.
8684         (move_sese_region_to_fn): Adjust caller, if all is set, call
8685         duplicate_eh_regions with NULL region.
8686
8687 2019-02-01  Richard Biener  <rguenth@suse.de>
8688
8689         PR rtl-optimization/88593
8690         * mode-switching.c (optimize_mode_switching): Free dominators before
8691         calling cleanup_cfg.
8692
8693 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8694
8695         PR tree-optimization/88932
8696         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8697
8698 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8699
8700         PR middle-end/89137
8701         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8702         bogus clang warning.
8703
8704 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8705
8706         PR target/89071
8707         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8708         alternative to avoid partial SSE register stall for TARGET_AVX.
8709         (truncdfsf2): Ditto.
8710         (sse4_1_round<mode>2): Ditto.
8711
8712 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8713
8714         PR tree-optimization/89008
8715         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8716         process anything of the form X * 0.
8717
8718 2019-01-31  Richard Biener  <rguenther@suse.de>
8719
8720         PR tree-optimization/89135
8721         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8722         with abnormal preds.
8723
8724 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8725
8726         PR sanitizer/89124
8727         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8728         always_inline callees into no_sanitize_address callers.
8729
8730 2019-01-31  Richard Biener  <rguenther@suse.de>
8731
8732         PR rtl-optimization/89115
8733         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8734
8735 2019-01-30  Martin Sebor  <msebor@redhat.com>
8736
8737         PR other/89106
8738         * doc/extend.texi (cast to a union): Correct and expand.
8739
8740 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8741
8742         PR rtl-optimization/87246
8743         * lra-constraints.c (simplify_operand_subreg): Reload memory
8744         in subreg if the address became invalid.
8745
8746 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8747
8748         PR target/87064
8749         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8750         Disable for little-endian.
8751
8752 2019-01-30  Richard Biener  <rguenther@suse.de>
8753
8754         PR rtl-optimization/89115
8755         * opts.c (default_options_optimization): Reduce
8756         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8757         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8758         to the default.
8759
8760 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8761
8762         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8763         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8764         type of vector element when vec_extract is implemented by direct
8765         move.
8766
8767 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8768
8769         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8770
8771 2019-01-30  Richard Biener  <rguenther@suse.de>
8772
8773         PR tree-optimization/89111
8774         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8775         canonicalization to appropriately sized access types.
8776
8777 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8778
8779         PR c++/89105
8780         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8781         for arguments to functions that are TU-local and shouldn't be
8782         referenced by assembly.
8783
8784 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8785
8786         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8787         after '='.
8788
8789 2019-01-29  Martin Sebor  <msebor@redhat.com>
8790
8791         PR c/88956
8792         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8793
8794 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8795
8796         PR c++/66676
8797         PR ipa/89104
8798         * omp-simd-clone.c (simd_clone_clauses_extract)
8799         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8800         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8801
8802 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8803
8804         * config.gcc: Force .init_array for ARC.
8805
8806 2019-01-29  Richard Biener  <rguenther@suse.de>
8807
8808         PR debug/87295
8809         * dwarf2out.c (collect_skeleton_dies): New helper.
8810         (copy_decls_for_unworthy_types): Call it.
8811         (build_abbrev_table): Assert we do not try to replace
8812         DW_AT_signature refs with local refs.
8813
8814 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8815
8816         PR middle-end/89002
8817         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8818         for lastprivate/linear IV, push gimplify context around gimplify_assign
8819         and, if it needed any temporaries, pop it into a gimple bind around the
8820         sequence.
8821
8822 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8823
8824         * common.opt (-Wattribute-alias): Remove "no-" from name.
8825         Make -Wattribute-alias command line option and
8826         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8827
8828 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8829
8830         PR target/89073
8831         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8832         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8833         x86 ISA options.
8834         (bmi2): Add missing @opindex.
8835         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8836         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8837         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8838         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8839         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8840         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8841         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8842         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8843         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8844         xsavec, xsaveopt and xsaves options.
8845
8846 2019-01-28  Richard Biener  <rguenther@suse.de>
8847
8848         PR debug/89076
8849         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8850         support removal.
8851
8852 2019-01-28  Richard Biener  <rguenther@suse.de>
8853
8854         PR tree-optimization/88739
8855         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8856         BIT_FIELD_REFs only are applied to mode-precision operands
8857         when they are integral.
8858         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8859         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8860         BIT_FIELD_REFs of non-mode-precision integral operands.
8861
8862 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8863
8864         PR target/87214
8865         * config/i386/sse.md
8866         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8867         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8868         first constants in pairs are multiples of 2.  Formatting fixes.
8869         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8870         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8871         first constants in each quadruple are multiples of 4.  Formatting fixes.
8872
8873 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8874
8875         PR ipa/88933
8876         * tree-inline.c: Include tree-cfgcleanup.h.
8877         (delete_unreachable_blocks_update_callgraph): Move...
8878         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8879         ...here, make externally visible, make second argument bool, adjust
8880         all callers.
8881         * tree-cfgcleanup.c: Include cgraph.h.
8882         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8883         Declare.
8884         * ipa-prop.c: Include tree-cfgcleanup.h.
8885         (ipcp_transform_function): Call
8886         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8887
8888 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8889
8890         PR rtl-optimization/88846
8891         * ira.c (process_set_for_memref_referenced_p): New.
8892         (memref_referenced_p): Add new param.  Use
8893         process_set_for_memref_referenced_p.  Add new switch cases.
8894         (memref_used_between_p): Pass new arg to memref_referenced_p.
8895
8896 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8897
8898         PR target/88469
8899         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8900         argument ABI_BREAK.  Set to true if the calculated alignment has
8901         changed in gcc-9.  Check bit-fields for their base type alignment.
8902         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8903         (aarch64_function_arg_boundary): Likewise.
8904         (aarch64_gimplify_va_arg_expr): Likewise.
8905
8906 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8907
8908         PR middle-end/89037
8909         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8910         instead of accessing TREE_INT_CST_ELT directly.
8911
8912 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8913
8914         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8915         fenv_exceptions description.
8916
8917 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8918
8919         PR rtl-optimization/87763
8920         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8921         Allow SUBREG when matching CC_NZmode compare.
8922
8923 2019-01-25  Richard Biener  <rguenther@suse.de>
8924
8925         PR tree-optimization/89049
8926         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8927         Look at the pattern stmt to determine if the stmt is vectorized.
8928
8929 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8930
8931         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8932         (pred_mov<mode>): Handle all-register forms using both a new
8933         alternative and a split.
8934
8935 2019-01-25  Richard Biener  <rguenther@suse.de>
8936
8937         PR tree-optimization/86865
8938         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8939         Reject non-do-while loops.
8940
8941 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8942
8943         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8944         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8945         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8946         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8947         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8948         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8949         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8950         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8951         vlogical_operand, gpc_reg_operand, int_reg_operand,
8952         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8953         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8954         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8955         (save_world_operation, restore_world_operation, lmw_operation,
8956         stmw_operation): Use MEM_P and REG_P.
8957         (tie_operand): Use MEM_P.
8958         (vrsave_operation, crsave_operation): Use REG_P.
8959         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8960         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8961         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8962         (call_operand): Use HARD_REGISTER_P.
8963         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8964         Use CONST_INT_P.
8965         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8966         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8967         quad_aligned_load_p, replace_swapped_aligned_store,
8968         recombine_lvx_pattern, replace_swapped_aligned_load,
8969         recombine_stvx_pattern): Use MEM_P.
8970         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8971         Use MEM_P and SYMBOL_REF_P.
8972         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8973         (insn_is_swappable_p): Use REG_P and MEM_P.
8974         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8975         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8976         Use CONST_INT_P.
8977         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8978         Use CONST_DOUBLE_P.
8979         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8980         CONST_WIDE_INT_P.
8981         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8982         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8983         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8984         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8985         reg_or_subregno:
8986         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8987         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8988         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8989         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8990         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8991         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8992         rs6000_split_logical_di): Use CONST_INT_P.
8993         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8994         REG_P and SYMBOL_REF_P.
8995         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8996         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8997         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8998         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8999         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9000         (small_data_operand, print_operand_address): Use CONST_INT_P and
9001         SYMBOL_REF_P.
9002         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9003         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9004         Use HARD_REGISTER_NUM_P.
9005         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9006         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9007         SUBREG_P and SYMBOL_REF_P.
9008         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9009         and HARD_REGISTER_NUM_P.
9010         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9011         reg_or_subregno.
9012         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9013         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9014         MEM_P and REG_P.
9015         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9016         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9017         find_addr_reg): Use REG_P.
9018         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9019         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9020         (offsettable_ok_by_alignment, constant_pool_expr_p,
9021         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9022         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9023         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9024         rs6000_assemble_integer, create_TOC_reference,
9025         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9026         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9027         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9028         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9029         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9030         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9031         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9032         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9033         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9034         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9035         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9036         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9037         and cbranch<mode>4): Use CONST_INT_P.
9038         (multiple define_splits): Use REG_P and SUBREG_P.
9039         (define_expands call, call_value): Use MEM_P.
9040         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9041         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9042         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9043         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9044         and HARD_REGISTER_NUM_P.
9045         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9046
9047 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9048
9049         PR rtl-optimization/88948
9050         * rtl.h (prepare_copy_insn): New prototype.
9051         * gcse.c (prepare_copy_insn): New function, split out from
9052         process_insert_insn.
9053         (process_insert_insn): Use prepare_copy_insn.
9054         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9055         instead of gen_move_insn.
9056
9057 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9058
9059         PR debug/89006
9060         * config/i386/i386.c (ix86_pic_register_p): Return true for
9061         UNSPEC_SET_GOT too.
9062
9063         PR tree-optimization/88964
9064         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9065         punt if HONOR_SNANS (chrec).
9066
9067         PR middle-end/89015
9068         * tree-nested.c (convert_nonlocal_reference_stmt,
9069         convert_local_reference_stmt, convert_tramp_reference_stmt,
9070         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9071         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9072         or GIMPLE_OMP_TASK.
9073
9074         PR tree-optimization/89027
9075         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9076         for "omp simd array" variables.
9077
9078 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9079
9080         PR target/88469
9081         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9082         force the alignment of m_val.
9083
9084 2019-01-24  Richard Biener  <rguenther@suse.de>
9085
9086         PR lto/87187
9087         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9088         When in "legacy" debug mode make sure to reset self-origins.
9089
9090 2019-01-24  Martin Liska  <mliska@suse.cz>
9091
9092         PR gcov-profile/88994
9093         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9094         result will be always smaller or equal to the original.
9095         * gcov.c (mangle_name): Fix else branch where we should
9096         also copy to PTR and shift the pointer.
9097
9098 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9099
9100         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9101         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9102
9103 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9104
9105         * common/config/i386/i386-common.c
9106         (OPTION_MASK_ISA_ENQCMD_SET,
9107         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9108         (ix86_handle_option): Handle -menqcmd.
9109         * config.gcc (enqcmdintrin.h): New header file.
9110         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9111         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9112         -menqcmd.
9113         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9114         function type.
9115         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9116         __builtin_ia32_enqcmds): New builtins.
9117         * config/i386/i386-c.c (__ENQCMD__): New macro.
9118         * config/i386/i386-option.c (ix86_target_string): Add
9119         -menqcmd.
9120         (ix86_valid_target_attribute_inner_p): Likewise.
9121         * config/i386/i386-expand.c
9122         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9123         IX86_BUILTIN_ENQCMDS.
9124         * config/i386/i386.h (TARGET_ENQCMD): New.
9125         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9126         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9127         (movdir64b_<mode>): Parameterize to enable share expansion code
9128         with ENQCMD in function ix86_expand_builtin.
9129         * config/i386/i386.opt: Add -menqcmd.
9130         * config/i386/immintrin.h: Include enqcmdintrin.h.
9131         * config/i386/enqcmdintrin.h: New intrinsic file.
9132         * doc/invoke.texi: Add -menqcmd.
9133
9134 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9135             Steve Ellcey <sellcey@marvell.com>
9136
9137         PR target/85711
9138         * recog.c (address_operand): Return false on wrong mode for address.
9139         (constrain_operands): Check for mode with 'p' constraint.
9140
9141 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9142
9143         PR target/88998
9144         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9145         Disparage MMX alternative.
9146         (sse2_cvtpd2pi): Ditto.
9147         (sse2_cvttpd2pi): Ditto.
9148
9149 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9150
9151         PR driver/89014
9152         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9153         use-after-free of the result of
9154         aarch64_get_extension_string_for_isa_flags.
9155
9156 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9157
9158         PR c/44715
9159         * doc/extend.texi: Document break and continue behavior in
9160         statement expressions.
9161
9162 2019-01-23  Richard Biener  <rguenther@suse.de>
9163
9164         PR tree-optimization/89008
9165         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9166         not leave another stray operand.
9167
9168 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9169
9170         * BASE-VER: Bump to 9.0.1.
9171
9172 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9173
9174         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9175         thunk that returns by reference, use the type of the return object
9176         of the thunk instead of that of the alias to build the dereference.
9177
9178 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9179
9180         * config/arc/atomic.md: Add operand to DMB instruction.
9181
9182 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9183
9184         PR tree-optimization/88964
9185         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9186         build_zero_cst instead of build_int_cst.  Return false for loop
9187         invariants which honor signed zeros.
9188
9189 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9190
9191         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9192
9193 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9194
9195         PR target/88965
9196         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9197         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9198         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9199
9200         PR middle-end/88968
9201         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9202         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9203
9204         PR target/87064
9205         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9206         Disable for little endian.
9207
9208 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9209
9210         PR target/88469
9211         * config/arm/arm.c (arm_needs_double_word_align): Check
9212         DECL_BIT_FIELD_TYPE.
9213
9214 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9215             H.J. Lu  <hongjiu.lu@intel.com>
9216
9217         PR target/88909
9218         * config/i386/i386-builtin.def: Add mask2 to all builtin
9219         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9220         SPECIAL_ARGS.
9221         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9222         (BDESC_FIRST): Likewise.
9223         (define_builtin): Add an argument for mask2.  Updated to handle
9224         both ix86_isa_flags and ix86_isa_flags2.
9225         (define_builtin_const): Likewise.
9226         (define_builtin_pure): Likewise.
9227         (define_builtin2): Deleted.
9228         (define_builtin_const2): Likewise.
9229         (builtin_description): Add a member, mask2.
9230         (bdesc_*): Add mask2 to builtin initializations.
9231         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9232         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9233         support.
9234         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9235
9236 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9237
9238         PR target/88954
9239         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9240         noplt attribute.
9241
9242 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9243
9244         PR target/88469
9245         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9246         alignment is dominated by a bitfield with 64-bit aligned base type.
9247         (arm_function_arg): Emit a warning if the alignment has changed since
9248         earlier GCC releases.
9249         (arm_function_arg_boundary): Likewise.
9250         (arm_setup_incoming_varargs): Likewise.
9251
9252 2019-01-22  Richard Biener  <rguenther@suse.de>
9253
9254         PR tree-optimization/88862
9255         * graphite-scop-detection.c
9256         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9257
9258 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9259
9260         * doc/extend.tex (AMD GCN Function Attributes): New section.
9261         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9262         * doc/invoke.texi (AMD GCN Options): New section.
9263         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9264
9265 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9266
9267         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9268         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9269
9270 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9271
9272         PR tree-optimization/88044
9273         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9274         is false in the first iteration, but !every_iteration, return false
9275         instead of true with niter->niter zero.
9276
9277         PR rtl-optimization/88904
9278         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9279         any nonequal registers before processing BB_END (b).
9280
9281         PR target/88905
9282         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9283         GET_MODE (op0).
9284         (expand_binop_directly, expand_doubleword_clz,
9285         expand_doubleword_popcount, expand_ctz, expand_ffs,
9286         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9287
9288         PR rtl-optimization/49429
9289         PR target/49454
9290         PR rtl-optimization/86334
9291         PR target/88906
9292         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9293         addressable from here...
9294         (emit_block_op_via_libcall): ... to here.
9295
9296 2019-01-22  Richard Biener  <rguenther@suse.de>
9297
9298         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9299         auto_vec for cost vector to fix memleak.
9300         (vectorize_fold_left_reduction): Properly gather SLP defs.
9301         (vectorizable_comparison): Do not swap operands to properly
9302         gather SLP defs.
9303
9304 2019-01-22  Alan Modra  <amodra@gmail.com>
9305
9306         PR target/88614
9307         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9308         stays a reg.  Allow a const_int.
9309         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9310         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9311         (IS_NOMARK_TLSGETADDR): Define.
9312         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9313         (rs6000_output_tlsargs): New function.
9314         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9315         __tls_get_addr call takes an arg.
9316         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9317         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9318         delete split..
9319         (call_value_nonlocal_sysv): ..or here, delete split.
9320         (tls_gdld_nomark): Delete.
9321         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9322         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9323         (call_value_nonlocal_sysv): Likewise.
9324         (call_value_nonlocal_sysv_secure): Likewise.
9325         (call_value_nonlocal_aix): Likewise.
9326         (call_value_indirect_aix): Likewise.
9327         (call_value_indirect_elfv2): Likewise.
9328         (call_value_local32, call_value_local64): Disable for no-mark tls.
9329         (call_value_local_aix): Likewise.
9330
9331 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9332
9333         PR target/88938
9334         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9335         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9336
9337 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9338
9339         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9340         string contents as hash_map keys.
9341
9342 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9343
9344         PR c/88928
9345         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9346         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9347         instead of TYPE_ALIGN.
9348         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9349         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9350         pointer from TYPE_STUB_DECL.
9351
9352 2019-01-21  Richard Biener  <rguenther@suse.de>
9353
9354         PR tree-optimization/88934
9355         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9356         at the possibly non-constant operand.
9357         (vect_get_constant_vectors): Adjust.
9358
9359 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9360
9361         PR target/71659
9362         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9363         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9364         instead of _X86INTRIN_H_INCLUDED.
9365         * onfig/i386/clwbintrin.h: Likewise.
9366         * config/i386/pkuintrin.h: Likewise.
9367         * config/i386/prfchwintrin.h: Likewise.
9368         * config/i386/rdseedintrin.h: Likewise.
9369         * config/i386/wbnoinvdintrin.h: Likewise.
9370         * config/i386/xsavecintrin.h: Likewise.
9371         * config/i386/xsavesintrin.h: Likewise.
9372         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9373         * config/i386/xsaveintrin.h: Likewise.
9374         * config/i386/xsaveoptintrin.h: Likewise.
9375         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9376         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9377         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9378         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9379         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9380         * config/i386/immintrin.h: Here.
9381
9382 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9383
9384         PR ipa/87615
9385         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9386         with aa_walk_budget.
9387         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9388         aa_walk_budget_p parameter.
9389         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9390         walk.  Updated all callers.
9391         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9392         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9393         unmodified_parm.
9394         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9395         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9396         and to unmodified_parm.
9397         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9398         info, updated call to will_be_nonconstant_expr_predicate.
9399         (param_change_prob): New parameter fbi, limit AA walking.
9400         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9401         calls to various above functions.
9402         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9403         parameter.  Use it to limit AA walking.
9404         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9405         fbi, limit AA walk.
9406         (detect_type_change): New parameter fbi, pass it on to
9407         detect_type_change_from_memory_writes.
9408         (detect_type_change_ssa): Likewise.
9409         (aa_overwalked): Removed.
9410         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9411         accordingly, adjust to the neew AA limiting scheme.
9412         (parm_ref_data_preserved_p): Likewise.
9413         (ipa_compute_jump_functions_for_edge): Adjust call to
9414         get_dynamic_type.
9415         (ipa_analyze_call_uses): Likewise.
9416         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9417         (ipa_analyze_node): Initialize aa_walk_budget.
9418         (ipcp_transform_function): Likewise.
9419         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9420         to get_dynamic_type.
9421
9422 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9423
9424         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9425         outside of #if CHECKING_P code.
9426
9427 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9428
9429         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9430         New function, split out from...
9431         (loop_versioning::analyze_stride): ...here.
9432         (loop_versioning::find_per_loop_multiplication): Use gassign.
9433         (loop_versioning::analyze_term_using_scevs): Return a success code.
9434         (loop_versioning::analyze_arbitrary_term): New function.
9435         (loop_versioning::analyze_address_fragment): Use
9436         analyze_arbitrary_term if all else fails.
9437
9438 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9439
9440         PR target/88892
9441         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9442         operands.
9443
9444 2019-01-18  Richard Biener  <rguenther@suse.de>
9445
9446         PR tree-optimization/88903
9447         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9448         scalar stmts a SLP shift amount is composed of when detecting
9449         shifts by scalars.
9450
9451 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9452
9453         PR target/88799
9454         * config/arm/arm-cpus.in (mp): New feature.
9455         (sec): New feature.
9456         (fgroup ARMv7ve): Add mp and sec features.
9457         (arch armv7-a): Add options to allow mp and sec extensions.
9458         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9459         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9460         extenstions to the base architecture.
9461         (cpu cortex-a8): Add sec extension to the base architecture.
9462         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9463         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9464         variants down to the base v7-a varaint.
9465         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9466         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9467         of permitted extensions for -march=armv7-a and for
9468         -mcpu=generic-armv7-a.
9469
9470 2019-01-18  Martin Liska  <mliska@suse.cz>
9471
9472         * params.def: Fix comment.
9473         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9474         name.
9475         (gimple_gen_ic_func_profiler): Likewise.
9476
9477 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9478
9479         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9480         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9481         and put in error checks for stack protector guard options.
9482         (aarch64_stack_protect_guard): New.
9483         (TARGET_STACK_PROTECT_GUARD): Define.
9484         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9485         (reg_stack_protect_address<mode>): New.
9486         (stack_protect_set): Adjust for SSP_GLOBAL.
9487         (stack_protect_test): Likewise.
9488         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9489         (-mstack-protector-guard): Likewise.
9490         (-mstack-protector-guard-offset): Likewise.
9491
9492 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9493
9494         PR tree-optimization/86214
9495         * tree-inline.h (struct copy_body_data): Add
9496         add_clobbers_to_eh_landing_pads member.
9497         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9498         (copy_edges_for_bb): Call it if EH edge destination is <
9499         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9500         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9501         if flag_stack_reuse != SR_NONE and clear it afterwards.
9502
9503 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9504
9505         PR target/85596
9506         * doc/install.texi (with-multilib-list): Document for aarch64.
9507
9508 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9509
9510         PR target/88734
9511         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9512         (("..."))) with ("...").
9513
9514 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9515
9516         * doc/extend.texi (Built-in Functions for Memory Model Aware
9517         Atomic Operations): Document atomic fetch and nand.
9518
9519 2019-01-18  Martin Liska  <mliska@suse.cz>
9520             Richard Biener  <rguenther@suse.de>
9521
9522         PR middle-end/88587
9523         * cgraph.h (create_version_clone_with_body): Add new argument
9524         with attributes.
9525         * cgraphclones.c (cgraph_node::create_version_clone): Add
9526         DECL_ATTRIBUTES to a newly created decl.  And call
9527         valid_attribute_p so that proper cl_target_optimization_node
9528         is set for the newly created declaration.
9529         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9530         for declaration.
9531         (expand_target_clones): Do not call valid_attribute_p, it must
9532         be already done.
9533         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9534         vector types.
9535
9536 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9537
9538         PR target/88734
9539         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9540         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9541         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9542
9543 2019-01-17  Martin Sebor  <msebor@redhat.com>
9544
9545         PR middle-end/88273
9546         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9547         Handle anti-ranges the same as no range at all.
9548
9549 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9550
9551         * config/aarch64/aarch64.c (cgraph.h): New include.
9552         (intl.h): New include.
9553         (supported_simd_type): New function.
9554         (currently_supported_simd_type): Ditto.
9555         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9556         (aarch64_simd_clone_adjust): Ditto.
9557         (aarch64_simd_clone_usable): Ditto.
9558         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9559         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9560         (TARGET_SIMD_CLONE_USABLE): Ditto.
9561         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9562         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9563         call.
9564
9565 2019-01-17  Martin Sebor  <msebor@redhat.com>
9566
9567         PR tree-optimization/88800
9568         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9569         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9570         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9571         redundant argument.  Add new argument and issue diagnostics under
9572         its control.  Detect out-of-bounds access even with warnings
9573         disabled.
9574         (check_bounds_or_overlap): Change return type.  Add argument.
9575         (wrestrict_dom_walker::check_call): Adjust.
9576         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9577         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9578         check_bounds_or_overlap's return value.
9579         (handle_builtin_stxncpy): Same.
9580         (handle_builtin_strcat): Same.
9581
9582 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9583             Kwok Cheung Yeung  <kcy@codesourcery.com>
9584             Julian Brown  <julian@codesourcery.com>
9585             Tom de Vries  <tom@codesourcery.com>
9586
9587         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9588
9589 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9590
9591         * doc/sourcebuild.texi: Document dg-require-effective-target
9592         llvm_binutils and offload_gcn.
9593
9594 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9595             Kwok Cheung Yeung  <kcy@codesourcery.com>
9596             Julian Brown  <julian@codesourcery.com>
9597             Tom de Vries  <tom@codesourcery.com>
9598
9599         * doc/sourcebuild.texi: Document dg-required-effective-target
9600         exceptions.
9601
9602 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9603             Kwok Cheung Yeung  <kcy@codesourcery.com>
9604             Julian Brown  <julian@codesourcery.com>
9605             Tom de Vries  <tom@codesourcery.com>
9606             Jan Hubicka  <hubicka@ucw.cz>
9607             Martin Jambor  <mjambor@suse.cz>
9608
9609         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9610         * configure.ac: Check for dlopen.
9611         * configure: Regenerate.
9612
9613 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9614             Kwok Cheung Yeung  <kcy@codesourcery.com>
9615             Julian Brown  <julian@codesourcery.com>
9616             Tom de Vries  <tom@codesourcery.com>
9617             Jan Hubicka  <hubicka@ucw.cz>
9618             Martin Jambor  <mjambor@suse.cz>
9619
9620         * common/config/gcn/gcn-common.c: New file.
9621         * config/gcn/driver-gcn.c: New file.
9622         * config/gcn/gcn-builtins.def: New file.
9623         * config/gcn/gcn-hsa.h: New file.
9624         * config/gcn/gcn-modes.def: New file.
9625         * config/gcn/gcn-opts.h: New file.
9626         * config/gcn/gcn-passes.def: New file.
9627         * config/gcn/gcn-protos.h: New file.
9628         * config/gcn/gcn-run.c: New file.
9629         * config/gcn/gcn-tree.c: New file.
9630         * config/gcn/gcn.c: New file.
9631         * config/gcn/gcn.h: New file.
9632         * config/gcn/gcn.opt: New file.
9633         * config/gcn/t-gcn-hsa: New file.
9634
9635 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9636             Kwok Cheung Yeung  <kcy@codesourcery.com>
9637             Julian Brown  <julian@codesourcery.com>
9638             Tom de Vries  <tom@codesourcery.com>
9639             Jan Hubicka  <hubicka@ucw.cz>
9640             Martin Jambor  <mjambor@suse.cz>
9641
9642         * config/gcn/constraints.md: New file.
9643         * config/gcn/gcn-valu.md: New file.
9644         * config/gcn/gcn.md: New file.
9645         * config/gcn/predicates.md: New file.
9646
9647 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9648
9649         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9650         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9651         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9652         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9653
9654 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9655
9656         PR target/88851
9657         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9658         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9659         it and document registers.
9660
9661 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9662
9663         * config/aarch64/aarch64.c (ares_tunings): Define.
9664         * config/aarch64/aarch64-cores.def (ares): Use the above.
9665
9666 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9667
9668         PR target/88794
9669         Revert:
9670         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9671
9672         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9673         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9674         (_mm512_maskz_fixupimm_round_pd): Ditto.
9675         (_mm512_fixupimm_round_ps): Ditto.
9676         (_mm512_maskz_fixupimm_round_ps): Ditto.
9677         (_mm_fixupimm_round_sd): Ditto.
9678         (_mm_maskz_fixupimm_round_sd): Ditto.
9679         (_mm_fixupimm_round_ss): Ditto.
9680         (_mm_maskz_fixupimm_round_ss): Ditto.
9681         (_mm512_fixupimm_pd): Ditto.
9682         (_mm512_maskz_fixupimm_pd): Ditto.
9683         (_mm512_fixupimm_ps): Ditto.
9684         (_mm512_maskz_fixupimm_ps): Ditto.
9685         (_mm_fixupimm_sd): Ditto.
9686         (_mm_maskz_fixupimm_sd): Ditto.
9687         (_mm_fixupimm_ss): Ditto.
9688         (_mm_maskz_fixupimm_ss): Ditto.
9689         (_mm512_mask_fixupimm_round_pd): Update builtin.
9690         (_mm512_mask_fixupimm_round_ps): Ditto.
9691         (_mm_mask_fixupimm_round_sd): Ditto.
9692         (_mm_mask_fixupimm_round_ss): Ditto.
9693         (_mm512_mask_fixupimm_pd): Ditto.
9694         (_mm512_mask_fixupimm_ps): Ditto.
9695         (_mm_mask_fixupimm_sd): Ditto.
9696         (_mm_mask_fixupimm_ss): Ditto.
9697         * config/i386/avx512vlintrin.h:
9698         (_mm256_fixupimm_pd): Update parameters and builtin.
9699         (_mm256_maskz_fixupimm_pd): Ditto.
9700         (_mm256_fixupimm_ps): Ditto.
9701         (_mm256_maskz_fixupimm_ps): Ditto.
9702         (_mm_fixupimm_pd): Ditto.
9703         (_mm_maskz_fixupimm_pd): Ditto.
9704         (_mm_fixupimm_ps): Ditto.
9705         (_mm_maskz_fixupimm_ps): Ditto.
9706         (_mm256_mask_fixupimm_pd): Update builtin.
9707         (_mm256_mask_fixupimm_ps): Ditto.
9708         (_mm_mask_fixupimm_pd): Ditto.
9709         (_mm_mask_fixupimm_ps): Ditto.
9710         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9711         * config/i386/i386-builtin.def: Update builtin definitions.
9712         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9713         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9714         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9715         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9716         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9717         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9718         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9719         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9720         * config/i386/subst.md:
9721         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9722         (round_saeonly_sd_mask_op4): Ditto.
9723         (round_saeonly_expand_operand5): Ditto.
9724         (round_saeonly_expand): Update.
9725
9726 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9727
9728         PR target/88794
9729         Revert:
9730         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9731
9732         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9733         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9734         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9735         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9736         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9737         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9738         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9739
9740 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9741
9742         PR target/88794
9743         Revert:
9744         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9745
9746         PR target/88489
9747         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9748         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9749         instead of UNSPEC_FIXUPIMM.
9750
9751 2019-01-17  Richard Biener  <rguenther@suse.de>
9752
9753         PR lto/86736
9754         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9755         and friends for the LTO part of debug info.
9756
9757 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9758
9759         PR tree-optimization/86214
9760         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9761         if x == y.
9762
9763         PR rtl-optimization/88870
9764         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9765         throw if we can't alter the cfg or delete dead exceptions.
9766         (mark_insn): Don't call find_call_stack_args for such calls.
9767
9768 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9769
9770         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9771         prototypes for vec_st.
9772         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9773         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9774         mainly on signed/unsigned long long and double.
9775
9776 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9777
9778         PR target/88861
9779         * combine.c (delete_noop_moves): Convert to "bool" return,
9780         returning true if any edges are eliminated.
9781         (combine_instructions): Also return true if delete_noop_moves
9782         returns true.
9783
9784 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9785
9786         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9787         correct max nunits for endian swap.
9788         (aarch64_expand_fcmla_builtin): Correct subreg code.
9789         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9790         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9791         lane endianness.
9792
9793 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9794
9795         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9796         Handle split indirect COMPLEX_TYPE arguments.
9797
9798 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9799
9800         PR target/86891
9801         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9802         bit is set by add and compare.
9803         (CC_ADC): New CC_MODE.
9804         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9805         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9806         comparison.  Add detection for CC_ADCmode.
9807         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9808         CC_ADCmode.
9809         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9810         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9811         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9812         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9813         to eliminate the need for zero-extending the operands.
9814         (add<mode>3_compareC_imm): Delete.  Merge into ...
9815         (add<mode>3_compareC): ... this.  Restructure the comparison to
9816         eliminate the need for zero-extending the operands.
9817         (add<mode>3_carryin): Use LTU for the overflow detection.
9818         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9819         Reexpress comparison for overflow.
9820         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9821         (add<mode>3_carryinC): Likewise.
9822         (add<mode>3_carryinV): Use LTU for carry between partials.
9823         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9824         handling of CC_Cmode and add CC_ADCmode.
9825         (aarch64_borrow_operation): Likewise.
9826
9827 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9828
9829         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9830         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9831         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9832         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9833
9834 2019-01-16  Martin Liska  <mliska@suse.cz>
9835
9836         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9837         for GCC driver.
9838         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9839         a new argument.
9840         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9841         (path_prefix_reset): Move up in the source file.
9842         (find_fortran_preinclude_file): Make complex search for the
9843         fortran header files.
9844
9845 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9846
9847         * godump.c (go_output_typedef): When outputting a typedef, refer
9848         to the underlying type by its name and not its structure.
9849
9850 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9851
9852         PR c++/88795
9853         * tree.c (build_function_type): Assert that arg_types is not
9854         error_mark_node.
9855
9856 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9857
9858         PR inline-asm/52813
9859         * doc/extend.texi: Document that listing the stack pointer in the
9860         clobber list of an asm is a deprecated feature.
9861         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9862         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9863         warning instead of an error for clobbers of the stack pointer.
9864         Add a note explaining why.
9865
9866 2019-01-15  Richard Biener  <rguenther@suse.de>
9867
9868         PR debug/88046
9869         * dwarf2out.c (gen_member_die): Do not generate inheritance
9870         DIEs late.
9871
9872 2019-01-15  Richard Biener  <rguenther@suse.de>
9873
9874         PR tree-optimization/88855
9875         * tree-if-conv.c (combine_blocks): Collect
9876         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9877
9878 2019-01-15  Tom de Vries  <tdevries@suse.de>
9879
9880         PR target/80547
9881         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9882         lhs == NULL_TREE for gang-level reduction.
9883
9884 2019-01-15  Richard Biener  <rguenther@suse.de>
9885             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9886
9887         PR ipa/88788
9888         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9889         return true if SSA_NAME is already marked in visited bitmap.
9890         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9891
9892 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9893
9894         PR tree-optimization/88775
9895         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9896         equal == 0 equality pointer comparisons some more if compared in
9897         integral types and either one points to an automatic var and the
9898         other to a global, or we can prove at least one points to the middle
9899         or both point to start or both point to end.
9900
9901 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9902
9903         * Makefile.in: Lower autofdo sampling rate by 10x.
9904         * Makefile.tpl: Dito.
9905
9906 2019-01-14  Tom Honermann  <tom@honermann.net>
9907
9908         * defaults.h: Define CHAR8_TYPE.
9909
9910 2019-01-14  Martin Sebor  <msebor@redhat.com>
9911
9912         PR target/88638
9913         * doc/extend.texi (Darwin Format Checks): Clarify.
9914
9915 2019-01-14  Richard Biener  <rguenther@suse.de>
9916
9917         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9918         whether we are in (simplify ...) or (match ...) context.
9919
9920 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9921
9922         PR rtl-optimization/88796
9923         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9924         * cfgexpand.c (stack_protect_prologue): Initialize
9925         crtl->stack_protect_guard_decl.
9926         * function.c (stack_protect_epilogue): Use it instead of calling
9927         targetm.stack_protect_guard again.
9928         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9929         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9930         crtl->stack_protect_guard_decl.
9931         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9932         on the returned MEM_EXPR.
9933
9934 2019-01-12  Tom de Vries  <tdevries@suse.de>
9935
9936         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9937         vector length using -fopenacc-dim.
9938
9939 2019-01-12  Tom de Vries  <tdevries@suse.de>
9940
9941         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9942         lengths into account.
9943
9944 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9945
9946         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9947         (TARGET_CAN_SPLIT_STACK): Define.
9948         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9949
9950 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9951
9952         * params.def (inline-unit-growth): Set to 40.
9953
9954 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9955
9956         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9957
9958 2019-01-12  Tom de Vries  <tdevries@suse.de>
9959
9960         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9961         region calling vector-partitionable routine, set default_vector_length
9962         to WARP_SIZE.
9963
9964 2019-01-12  Tom de Vries  <tdevries@suse.de>
9965
9966         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9967         variable default_vector_length.
9968
9969 2019-01-12  Tom de Vries  <tdevries@suse.de>
9970
9971         PR middle-end/88703
9972         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9973         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9974         dimensions limits.
9975
9976 2019-01-12  Tom de Vries  <tdevries@suse.de>
9977
9978         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9979         (nvptx_goacc_validate_dims): Add used parameter.
9980         * doc/tm.texi: Regenerate.
9981         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9982         argument to call to targetm.goacc.validate_dims.
9983         (default_goacc_validate_dims): Add used
9984         parameter.
9985         * target.def (validate_dims): Add used parameter in DEFHOOK.
9986         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9987
9988 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9989
9990         PR middle-end/85956
9991         PR lto/88733
9992         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9993         field.
9994         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9995         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9996         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9997         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9998
9999 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10000
10001         PR rtl-optimization/87305
10002         * lra-assigns.c
10003         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10004         for little endian pseudos used as paradoxical subreg.
10005
10006 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10007
10008         PR tree-optimization/88693
10009         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10010         for STRING_CSTs that don't contain any NUL characters in the first
10011         TREE_STRING_LENGTH bytes.
10012
10013 2019-01-11  Alan Modra  <amodra@gmail.com>
10014
10015         PR 88777
10016         PR 88614
10017         * genattrtab.c (min_fn): Don't translate values.
10018         (min_attr_value): Return INT_MAX when the value can't be calculated.
10019         Return minimum among any values that can be calculated.
10020         (max_attr_value): Adjust.
10021
10022 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10023
10024         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10025
10026 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10027
10028         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10029         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10030         (aarch64_return_call_with_max_clobbers): New function.
10031         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10032         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10033         argument.
10034         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10035         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10036         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10037         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10038         * cselib.c (cselib_process_insn): Add argument to
10039         targetm.hard_regno_call_part_clobbered call.
10040         * ira-conflicts.c (ira_build_conflicts): Ditto.
10041         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10042         * lra-constraints.c (inherit_reload_reg): Ditto.
10043         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10044         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10045         argument.  Call targetm.return_call_with_max_clobbers.
10046         Add argument to targetm.hard_regno_call_part_clobbered call.
10047         (calls_have_same_clobbers_p): New function.
10048         (process_bb_lives): Add call_insn and last_call_insn variables.
10049         Pass call_insn to check_pseudos_live_through_calls.
10050         Modify if stmt to check targetm.return_call_with_max_clobbers.
10051         Update setting of flush variable.
10052         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10053         to false.
10054         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10055         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10056         targetm.hard_regno_call_part_clobbered call.
10057         * reginfo.c (choose_hard_reg_mode): Ditto.
10058         * regrename.c (check_new_reg_p): Ditto.
10059         * reload.c (find_equiv_reg): Ditto.
10060         * reload1.c (emit_reload_insns): Ditto.
10061         * sched-deps.c (deps_analyze_insn): Ditto.
10062         * sel-sched.c (init_regs_for_mode): Ditto.
10063         (mark_unavailable_hard_regs): Ditto.
10064         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10065         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10066         (return_call_with_max_clobbers): New target function.
10067         * doc/tm.texi: Regenerate.
10068         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10069         * hooks.c (hook_bool_uint_mode_false): Change to
10070         hook_bool_insn_uint_mode_false.
10071         * hooks.h (hook_bool_uint_mode_false): Ditto.
10072
10073 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10074
10075         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10076         (aarch64_remove_extra_call_preserved_regs): New function.
10077         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10078         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10079         * doc/tm.texi: Regenerate.
10080         * final.c (get_call_reg_set_usage): Call new hook.
10081         * target.def (remove_extra_call_preserved_regs): New hook.
10082         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10083         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10084
10085 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10086
10087         PR bootstrap/88714
10088         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10089         inside of pass_combine_1 dump rather than pass_profile_1.
10090
10091 2019-01-11  Tom de Vries  <tdevries@suse.de>
10092
10093         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10094         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10095         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10096         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10097         num_workers 16.
10098
10099 2019-01-11  Tom de Vries  <tdevries@suse.de>
10100
10101         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10102
10103 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10104
10105         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10106         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10107         sse2_cvtsi2sd): Add {l}.
10108         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10109         syntax.
10110
10111 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10112
10113         PR target/88785
10114         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10115         define_expand.
10116         (*float<floatunssuffix>v2div2sf2): New define_insn.
10117         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10118         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10119         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10120         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10121         match_operands with "const0_operand" "C".
10122
10123 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10124
10125         * config/aarch64/aarch64-builtins.c
10126         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10127         (aarch64_init_simd_builtins): ...Here
10128
10129 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10130
10131         PR rtl-optimization/87305
10132         * lra-assigns.c
10133         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10134         allocation for big endian pseudos used as paradoxical subregs and
10135         spill them if it is wrong.
10136         * lra-constraints.c (lra_constraints): Add a comment.
10137
10138 2019-01-10  Richard Biener  <rguenther@suse.de>
10139
10140         PR tree-optimization/88792
10141         * tree-ssa-pre.c (get_representative_for): Do not return a
10142         value-number here.
10143
10144 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10145
10146         PR middle-end/84877
10147         PR bootstrap/88450
10148         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10149         (assign_parm_setup_block): Do the argument slot realignment here
10150         instead.
10151
10152 2019-01-10  Stefan Agner  <stefan@agner.ch>
10153
10154         PR target/88648
10155         * config/arm/arm.c (arm_option_override_internal): Force
10156         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10157
10158 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10159
10160         PR c/88568
10161         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10162         DECL_EXTERNAL.
10163
10164 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10165
10166         * config/arm/arm-builtins.c
10167         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10168         (MAC_LANE_PAIR_QUALIFIERS): New.
10169         (arm_expand_builtin_args): Use it.
10170         (arm_expand_builtin_1): Likewise.
10171         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10172         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10173         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10174         * config/arm/arm_neon.h:
10175         (vcadd_rot90_f16): New.
10176         (vcaddq_rot90_f16): New.
10177         (vcadd_rot270_f16): New.
10178         (vcaddq_rot270_f16): New.
10179         (vcmla_f16): New.
10180         (vcmlaq_f16): New.
10181         (vcmla_lane_f16): New.
10182         (vcmla_laneq_f16): New.
10183         (vcmlaq_lane_f16): New.
10184         (vcmlaq_laneq_f16): New.
10185         (vcmla_rot90_f16): New.
10186         (vcmlaq_rot90_f16): New.
10187         (vcmla_rot90_lane_f16): New.
10188         (vcmla_rot90_laneq_f16): New.
10189         (vcmlaq_rot90_lane_f16): New.
10190         (vcmlaq_rot90_laneq_f16): New.
10191         (vcmla_rot180_f16): New.
10192         (vcmlaq_rot180_f16): New.
10193         (vcmla_rot180_lane_f16): New.
10194         (vcmla_rot180_laneq_f16): New.
10195         (vcmlaq_rot180_lane_f16): New.
10196         (vcmlaq_rot180_laneq_f16): New.
10197         (vcmla_rot270_f16): New.
10198         (vcmlaq_rot270_f16): New.
10199         (vcmla_rot270_lane_f16): New.
10200         (vcmla_rot270_laneq_f16): New.
10201         (vcmlaq_rot270_lane_f16): New.
10202         (vcmlaq_rot270_laneq_f16): New.
10203         (vcadd_rot90_f32): New.
10204         (vcaddq_rot90_f32): New.
10205         (vcadd_rot270_f32): New.
10206         (vcaddq_rot270_f32): New.
10207         (vcmla_f32): New.
10208         (vcmlaq_f32): New.
10209         (vcmla_lane_f32): New.
10210         (vcmla_laneq_f32): New.
10211         (vcmlaq_lane_f32): New.
10212         (vcmlaq_laneq_f32): New.
10213         (vcmla_rot90_f32): New.
10214         (vcmlaq_rot90_f32): New.
10215         (vcmla_rot90_lane_f32): New.
10216         (vcmla_rot90_laneq_f32): New.
10217         (vcmlaq_rot90_lane_f32): New.
10218         (vcmlaq_rot90_laneq_f32): New.
10219         (vcmla_rot180_f32): New.
10220         (vcmlaq_rot180_f32): New.
10221         (vcmla_rot180_lane_f32): New.
10222         (vcmla_rot180_laneq_f32): New.
10223         (vcmlaq_rot180_lane_f32): New.
10224         (vcmlaq_rot180_laneq_f32): New.
10225         (vcmla_rot270_f32): New.
10226         (vcmlaq_rot270_f32): New.
10227         (vcmla_rot270_lane_f32): New.
10228         (vcmla_rot270_laneq_f32): New.
10229         (vcmlaq_rot270_lane_f32): New.
10230         (vcmlaq_rot270_laneq_f32): New.
10231         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10232         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10233         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10234         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10235         vcmlaq_lane270): New.
10236         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10237         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10238         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10239         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10240         (arm_option_reconfigure_globals): Use them.
10241         * config/arm/iterators.md (VDF, VQ_HSF): New.
10242         (VCADD, VCMLA): New.
10243         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10244         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10245         New.
10246         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10247         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10248
10249 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10250
10251         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10252         Add qualifier_lane_pair_index.
10253         (emit-rtl.h): Include.
10254         (TYPES_QUADOP_LANE_PAIR): New.
10255         (aarch64_simd_expand_args): Use it.
10256         (aarch64_simd_expand_builtin): Likewise.
10257         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10258         New.
10259         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10260         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10261         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10262         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10263         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10264         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10265         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10266         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10267         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10268         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10269         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10270         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10271         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10272         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10273         Add __ARM_FEATURE_COMPLEX.
10274         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10275         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10276         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10277         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10278         fcmlaq_lane270): New.
10279         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10280         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10281         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10282         * config/aarch64/arm_neon.h:
10283         (vcadd_rot90_f16): New.
10284         (vcaddq_rot90_f16): New.
10285         (vcadd_rot270_f16): New.
10286         (vcaddq_rot270_f16): New.
10287         (vcmla_f16): New.
10288         (vcmlaq_f16): New.
10289         (vcmla_lane_f16): New.
10290         (vcmla_laneq_f16): New.
10291         (vcmlaq_lane_f16): New.
10292         (vcmlaq_rot90_lane_f16): New.
10293         (vcmla_rot90_laneq_f16): New.
10294         (vcmla_rot90_lane_f16): New.
10295         (vcmlaq_rot90_f16): New.
10296         (vcmla_rot90_f16): New.
10297         (vcmlaq_laneq_f16): New.
10298         (vcmla_rot180_laneq_f16): New.
10299         (vcmla_rot180_lane_f16): New.
10300         (vcmlaq_rot180_f16): New.
10301         (vcmla_rot180_f16): New.
10302         (vcmlaq_rot90_laneq_f16): New.
10303         (vcmlaq_rot270_laneq_f16): New.
10304         (vcmlaq_rot270_lane_f16): New.
10305         (vcmla_rot270_laneq_f16): New.
10306         (vcmlaq_rot270_f16): New.
10307         (vcmla_rot270_f16): New.
10308         (vcmlaq_rot180_laneq_f16): New.
10309         (vcmlaq_rot180_lane_f16): New.
10310         (vcmla_rot270_lane_f16): New.
10311         (vcadd_rot90_f32): New.
10312         (vcaddq_rot90_f32): New.
10313         (vcaddq_rot90_f64): New.
10314         (vcadd_rot270_f32): New.
10315         (vcaddq_rot270_f32): New.
10316         (vcaddq_rot270_f64): New.
10317         (vcmla_f32): New.
10318         (vcmlaq_f32): New.
10319         (vcmlaq_f64): New.
10320         (vcmla_lane_f32): New.
10321         (vcmla_laneq_f32): New.
10322         (vcmlaq_lane_f32): New.
10323         (vcmlaq_laneq_f32): New.
10324         (vcmla_rot90_f32): New.
10325         (vcmlaq_rot90_f32): New.
10326         (vcmlaq_rot90_f64): New.
10327         (vcmla_rot90_lane_f32): New.
10328         (vcmla_rot90_laneq_f32): New.
10329         (vcmlaq_rot90_lane_f32): New.
10330         (vcmlaq_rot90_laneq_f32): New.
10331         (vcmla_rot180_f32): New.
10332         (vcmlaq_rot180_f32): New.
10333         (vcmlaq_rot180_f64): New.
10334         (vcmla_rot180_lane_f32): New.
10335         (vcmla_rot180_laneq_f32): New.
10336         (vcmlaq_rot180_lane_f32): New.
10337         (vcmlaq_rot180_laneq_f32): New.
10338         (vcmla_rot270_f32): New.
10339         (vcmlaq_rot270_f32): New.
10340         (vcmlaq_rot270_f64): New.
10341         (vcmla_rot270_lane_f32): New.
10342         (vcmla_rot270_laneq_f32): New.
10343         (vcmlaq_rot270_lane_f32): New.
10344         (vcmlaq_rot270_laneq_f32): New.
10345         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10346         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10347         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10348         (FCADD, FCMLA): New.
10349         (rot): New.
10350         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10351
10352 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10353
10354         PR other/16615
10355
10356         * config/pa/pa.c: Change "can not" to "cannot".
10357         * gimple-ssa-evrp-analyze.c: Likewise.
10358         * ipa-icf.c: Likewise.
10359         * ipa-polymorphic-call.c: Likewise.
10360         * ipa-pure-const.c: Likewise.
10361         * lra-constraints.c: Likewise.
10362         * lra-remat.c: Likewise.
10363         * reload1.c: Likewise.
10364         * reorg.c: Likewise.
10365         * tree-ssa-uninit.c: Likewise.
10366
10367 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10368
10369         PR other/16615
10370
10371         * Makefile.in: Mechanically replace "can not" with "cannot".
10372         * alias.c: Likewise.
10373         * builtins.c: Likewise.
10374         * calls.c: Likewise.
10375         * cgraph.c: Likewise.
10376         * cgraph.h: Likewise.
10377         * cgraphclones.c: Likewise.
10378         * cgraphunit.c: Likewise.
10379         * combine-stack-adj.c: Likewise.
10380         * combine.c: Likewise.
10381         * common/config/i386/i386-common.c: Likewise.
10382         * config/aarch64/aarch64.c: Likewise.
10383         * config/alpha/sync.md: Likewise.
10384         * config/arc/arc.c: Likewise.
10385         * config/arc/predicates.md: Likewise.
10386         * config/arm/arm-c.c: Likewise.
10387         * config/arm/arm.c: Likewise.
10388         * config/arm/arm.h: Likewise.
10389         * config/arm/arm.md: Likewise.
10390         * config/arm/cortex-r4f.md: Likewise.
10391         * config/csky/csky.c: Likewise.
10392         * config/csky/csky.h: Likewise.
10393         * config/darwin-f.c: Likewise.
10394         * config/epiphany/epiphany.md: Likewise.
10395         * config/i386/i386.c: Likewise.
10396         * config/i386/sol2.h: Likewise.
10397         * config/m68k/m68k.c: Likewise.
10398         * config/mcore/mcore.h: Likewise.
10399         * config/microblaze/microblaze.md: Likewise.
10400         * config/mips/20kc.md: Likewise.
10401         * config/mips/sb1.md: Likewise.
10402         * config/nds32/nds32.c: Likewise.
10403         * config/nds32/predicates.md: Likewise.
10404         * config/pa/pa.c: Likewise.
10405         * config/rs6000/e300c2c3.md: Likewise.
10406         * config/rs6000/rs6000.c: Likewise.
10407         * config/s390/s390.h: Likewise.
10408         * config/sh/sh.c: Likewise.
10409         * config/sh/sh.md: Likewise.
10410         * config/spu/vmx2spu.h: Likewise.
10411         * cprop.c: Likewise.
10412         * dbxout.c: Likewise.
10413         * df-scan.c: Likewise.
10414         * doc/cfg.texi: Likewise.
10415         * doc/extend.texi: Likewise.
10416         * doc/fragments.texi: Likewise.
10417         * doc/gty.texi: Likewise.
10418         * doc/invoke.texi: Likewise.
10419         * doc/lto.texi: Likewise.
10420         * doc/md.texi: Likewise.
10421         * doc/objc.texi: Likewise.
10422         * doc/rtl.texi: Likewise.
10423         * doc/tm.texi: Likewise.
10424         * dse.c: Likewise.
10425         * emit-rtl.c: Likewise.
10426         * emit-rtl.h: Likewise.
10427         * except.c: Likewise.
10428         * expmed.c: Likewise.
10429         * expr.c: Likewise.
10430         * fold-const.c: Likewise.
10431         * genautomata.c: Likewise.
10432         * gimple-fold.c: Likewise.
10433         * hard-reg-set.h: Likewise.
10434         * ifcvt.c: Likewise.
10435         * ipa-comdats.c: Likewise.
10436         * ipa-cp.c: Likewise.
10437         * ipa-devirt.c: Likewise.
10438         * ipa-fnsummary.c: Likewise.
10439         * ipa-icf.c: Likewise.
10440         * ipa-inline-transform.c: Likewise.
10441         * ipa-inline.c: Likewise.
10442         * ipa-polymorphic-call.c: Likewise.
10443         * ipa-profile.c: Likewise.
10444         * ipa-prop.c: Likewise.
10445         * ipa-pure-const.c: Likewise.
10446         * ipa-reference.c: Likewise.
10447         * ipa-split.c: Likewise.
10448         * ipa-visibility.c: Likewise.
10449         * ipa.c: Likewise.
10450         * ira-build.c: Likewise.
10451         * ira-color.c: Likewise.
10452         * ira-conflicts.c: Likewise.
10453         * ira-costs.c: Likewise.
10454         * ira-int.h: Likewise.
10455         * ira-lives.c: Likewise.
10456         * ira.c: Likewise.
10457         * ira.h: Likewise.
10458         * loop-invariant.c: Likewise.
10459         * loop-unroll.c: Likewise.
10460         * lower-subreg.c: Likewise.
10461         * lra-assigns.c: Likewise.
10462         * lra-constraints.c: Likewise.
10463         * lra-eliminations.c: Likewise.
10464         * lra-lives.c: Likewise.
10465         * lra-remat.c: Likewise.
10466         * lra-spills.c: Likewise.
10467         * lra.c: Likewise.
10468         * lto-cgraph.c: Likewise.
10469         * lto-streamer-out.c: Likewise.
10470         * postreload-gcse.c: Likewise.
10471         * predict.c: Likewise.
10472         * profile-count.h: Likewise.
10473         * profile.c: Likewise.
10474         * recog.c: Likewise.
10475         * ree.c: Likewise.
10476         * reload.c: Likewise.
10477         * reload1.c: Likewise.
10478         * reorg.c: Likewise.
10479         * resource.c: Likewise.
10480         * rtl.def: Likewise.
10481         * rtl.h: Likewise.
10482         * rtlanal.c: Likewise.
10483         * sched-deps.c: Likewise.
10484         * sched-ebb.c: Likewise.
10485         * sched-rgn.c: Likewise.
10486         * sel-sched-ir.c: Likewise.
10487         * sel-sched.c: Likewise.
10488         * shrink-wrap.c: Likewise.
10489         * simplify-rtx.c: Likewise.
10490         * symtab.c: Likewise.
10491         * target.def: Likewise.
10492         * toplev.c: Likewise.
10493         * tree-call-cdce.c: Likewise.
10494         * tree-cfg.c: Likewise.
10495         * tree-complex.c: Likewise.
10496         * tree-core.h: Likewise.
10497         * tree-eh.c: Likewise.
10498         * tree-inline.c: Likewise.
10499         * tree-loop-distribution.c: Likewise.
10500         * tree-nrv.c: Likewise.
10501         * tree-profile.c: Likewise.
10502         * tree-sra.c: Likewise.
10503         * tree-ssa-alias.c: Likewise.
10504         * tree-ssa-dce.c: Likewise.
10505         * tree-ssa-dom.c: Likewise.
10506         * tree-ssa-forwprop.c: Likewise.
10507         * tree-ssa-loop-im.c: Likewise.
10508         * tree-ssa-loop-ivcanon.c: Likewise.
10509         * tree-ssa-loop-ivopts.c: Likewise.
10510         * tree-ssa-loop-niter.c: Likewise.
10511         * tree-ssa-phionlycprop.c: Likewise.
10512         * tree-ssa-phiopt.c: Likewise.
10513         * tree-ssa-propagate.c: Likewise.
10514         * tree-ssa-threadedge.c: Likewise.
10515         * tree-ssa-threadupdate.c: Likewise.
10516         * tree-ssa-uninit.c: Likewise.
10517         * tree-ssanames.c: Likewise.
10518         * tree-streamer-out.c: Likewise.
10519         * tree.c: Likewise.
10520         * tree.h: Likewise.
10521         * vr-values.c: Likewise.
10522
10523 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10524
10525         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10526         (ix86_split_xorsign): Ditto.
10527         * config/i386/i386.c (ix86_expand_xorsign): New function.
10528         (ix86_split_xorsign): Ditto.
10529         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10530         (xorsign<mode>3): New expander.
10531         (xorsign<mode>3_1): New insn_and_split pattern.
10532         * config/i386/sse.md (xorsign<mode>3): New expander.
10533
10534 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10535
10536         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10537         (*tablejump_sp64): Likewise.
10538         (*tablejump<P:mode>): ...this.
10539         (*call_address_sp32): Merge into...
10540         (*call_address_sp64): Likewise.
10541         (*call_address<P:mode>): ...this.
10542         (*call_symbolic_sp32): Merge into...
10543         (*call_symbolic_sp64): Likewise.
10544         (*call_symbolic<P:mode>): ...this.
10545         (call_value): Remove constraint and add predicate.
10546         (*call_value_address_sp32): Merge into...
10547         (*call_value_address_sp64): Likewise.
10548         (*call_value_address<P:mode>): ...this.
10549         (*call_value_symbolic_sp32): Merge into...
10550         (*call_value_symbolic_sp64): Likewise.
10551         (*call_value_symbolic<P:mode>): ...this.
10552         (*sibcall_symbolic_sp32): Merge into...
10553         (*sibcall_symbolic_sp64): Likewise.
10554         (*sibcall_symbolic<P:mode>): ...this.
10555         (sibcall_value): Remove constraint and add predicate.
10556         (*sibcall_value_symbolic_sp32): Merge into...
10557         (*sibcall_value_symbolic_sp64): Likewise.
10558         (*sibcall_value_symbolic<P:mode>): ...this.
10559         (window_save): Minor tweak.
10560         (*branch_sp32): Merge into...
10561         (*branch_sp64): Likewise.
10562         (*branch<P:mode>): ...this.
10563
10564 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10565             James Clarke  <jrtc27@jrtc27.com>
10566
10567         PR target/84010
10568         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10569         consistently in TLS address generation and adjust code to the renaming
10570         of patterns.  Mark calls to __tls_get_addr as const.
10571         * config/sparc/sparc.md (tgd_hi22): Turn into...
10572         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10573         (tgd_lo10): Turn into...
10574         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10575         (tgd_add32): Merge into...
10576         (tgd_add64): Likewise.
10577         (tgd_add<P:mode>): ...this and use Pmode throughout.
10578         (tldm_hi22): Turn into...
10579         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10580         (tldm_lo10): Turn into...
10581         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10582         (tldm_add32): Merge into...
10583         (tldm_add64): Likewise.
10584         (tldm_add<P:mode>): ...this and use Pmode throughout.
10585         (tldm_call32): Merge into...
10586         (tldm_call64): Likewise.
10587         (tldm_call<P:mode>): ...this and use Pmode throughout.
10588         (tldo_hix22): Turn into...
10589         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10590         (tldo_lox10): Turn into...
10591         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10592         (tldo_add32): Merge into...
10593         (tldo_add64): Likewise.
10594         (tldo_add<P:mode>): ...this and use Pmode throughout.
10595         (tie_hi22): Turn into...
10596         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10597         (tie_lo10): Turn into...
10598         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10599         (tie_ld64): Use DImode throughout.
10600         (tie_add32): Merge into...
10601         (tie_add64): Likewise.
10602         (tie_add<P:mode>): ...this and use Pmode throughout.
10603         (tle_hix22_sp32): Merge into...
10604         (tle_hix22_sp64): Likewise.
10605         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10606         (tle_lox22_sp32): Merge into...
10607         (tle_lox22_sp64): Likewise.
10608         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10609         (*tldo_ldub_sp32): Merge into...
10610         (*tldo_ldub_sp64): Likewise.
10611         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10612         (*tldo_ldub1_sp32): Merge into...
10613         (*tldo_ldub1_sp64): Likewise.
10614         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10615         (*tldo_ldub2_sp32): Merge into...
10616         (*tldo_ldub2_sp64): Likewise.
10617         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10618         (*tldo_ldsb1_sp32): Merge into...
10619         (*tldo_ldsb1_sp64): Likewise.
10620         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10621         (*tldo_ldsb2_sp32): Merge into...
10622         (*tldo_ldsb2_sp64): Likewise.
10623         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10624         (*tldo_ldub3_sp64): Use DImode throughout.
10625         (*tldo_ldsb3_sp64): Likewise.
10626         (*tldo_lduh_sp32): Merge into...
10627         (*tldo_lduh_sp64): Likewise.
10628         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10629         (*tldo_lduh1_sp32): Merge into...
10630         (*tldo_lduh1_sp64): Likewise.
10631         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10632         (*tldo_ldsh1_sp32): Merge into...
10633         (*tldo_ldsh1_sp64): Likewise.
10634         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10635         (*tldo_lduh2_sp64): Use DImode throughout.
10636         (*tldo_ldsh2_sp64): Likewise.
10637         (*tldo_lduw_sp32): Merge into...
10638         (*tldo_lduw_sp64): Likewise.
10639         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10640         (*tldo_lduw1_sp64): Use DImode throughout.
10641         (*tldo_ldsw1_sp64): Likewise.
10642         (*tldo_ldx_sp64): Likewise.
10643         (*tldo_stb_sp32): Merge into...
10644         (*tldo_stb_sp64): Likewise.
10645         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10646         (*tldo_sth_sp32): Merge into...
10647         (*tldo_sth_sp64): Likewise.
10648         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10649         (*tldo_stw_sp32): Merge into...
10650         (*tldo_stw_sp64): Likewise.
10651         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10652         (*tldo_stx_sp64): Use DImode throughout.
10653
10654 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10655
10656         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10657         check configure option to set BTI and Return Address Signing.
10658         * configure.ac: Add --enable-standard-branch-protection and
10659         --disable-standard-branch-protection.
10660         * configure: Regenerated.
10661         * doc/install.texi: Document the same.
10662
10663 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10664             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10665
10666         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10667         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10668         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10669         if bti is enabled.
10670         * config/aarch64/aarch64-bti-insert.c: New file.
10671         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10672         pass.
10673         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10674         new bti pass.
10675         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10676         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10677         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10678         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10679
10680 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10681
10682         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10683         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10684         Disable bti for -mbranch-protection=none.
10685         (aarch64_handle_standard_branch_protection): Enable bti for
10686         -mbranch-protection=standard.
10687         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10688         -mbranch-protection.
10689         (aarch64_bti_enabled): Check if bti is enabled.
10690         * config/aarch64/aarch64.opt: Declare target variable.
10691         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10692
10693 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10694
10695         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10696         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10697         (aarch64_expand_epilogue): Likewise.
10698         (aarch64_output_mi_thunk): Likewise
10699         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10700         TAILCALL_ADDR_REGS to x16 and x17.
10701         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10702
10703 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10704
10705         * config/aarch64/aarch64-option-extensions.def: Define
10706         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10707         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10708         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10709         (AARCH64_FL_PREDRES): New.
10710         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10711         AARCH64_FL_PREDRES by default.
10712         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10713
10714 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10715
10716         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10717         ARMv8.5-A.
10718         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10719         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10720         * doc/invoke.texi: Document ARMv8.5-A.
10721
10722 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10723
10724         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10725         (xorsign<mode>3): Likewise.
10726
10727 2019-01-09  Jelinek  <jakub@redhat.com>
10728
10729         PR middle-end/88758
10730         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10731         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10732
10733         PR rtl-optimization/88331
10734         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10735         not currently_expanding_to_rtl.
10736
10737 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10738
10739         * doc/invoke.texi (-Os): Remove trailing spaces.
10740         (-finline-functions): Remove reference to -O2.
10741
10742 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10743
10744         PR rtl-optimization/79593
10745         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10746
10747         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10748         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10749
10750 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10751
10752         PR bootstrap/88721
10753         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10754         to -1 on entry.
10755
10756         PR debug/88723
10757         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10758         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10759
10760 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10761
10762         PR target/88717
10763         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10764         ix86_avx_u128_mode_entry.
10765
10766 2019-01-08  Martin Liska  <mliska@suse.cz>
10767
10768         PR tree-optimization/88753
10769         * tree-switch-conversion.c (switch_conversion::build_one_array):
10770         Come up with local variable constructor.  Convert first to
10771         type of constructor values.
10772
10773 2019-01-08  Richard Biener  <rguenther@suse.de>
10774
10775         PR tree-optimization/86554
10776         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10777         rpo_avail): Move earlier.
10778         (visit_nary_op): When value-numbering to expressions
10779         with different overflow behavior make sure there's an
10780         available expression on the path.
10781
10782 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10783
10784         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10785         aarch64_parse_branch_protection,
10786         struct aarch64_branch_protect_type,
10787         aarch64_handle_no_branch_protection,
10788         aarch64_handle_standard_branch_protection,
10789         aarch64_validate_mbranch_protection,
10790         aarch64_handle_pac_ret_protection,
10791         aarch64_handle_attr_branch_protection,
10792         accepted_branch_protection_string,
10793         aarch64_pac_ret_subtypes,
10794         aarch64_branch_protect_types,
10795         aarch64_handle_pac_ret_leaf): Define.
10796         (aarch64_override_options_after_change_1, aarch64_override_options):
10797         Add check for accepted_branch_protection_string.
10798         (aarch64_option_save): Save accepted_branch_protection_string.
10799         (aarch64_option_restore): Save accepted_branch_protection_string.
10800         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10801         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10802         msign-return-address.
10803         * doc/invoke.texi: Add mbranch-protection.
10804
10805 2019-01-08  Alan Modra  <amodra@gmail.com>
10806
10807         PR target/88614
10808         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10809         Delete "unknownp" parameter.  Adjust callers.  Handle
10810         CONST_INT, PLUS, MINUS, and MULT.
10811         (attr_value_aligned): Renamed from or_attr_value.
10812         (min_attr_value): Return INT_MIN for unhandled rtl case..
10813         (min_fn): ..and translate to INT_MAX here.
10814         (write_length_unit_log): Modify to cope without "unknown".
10815         (write_attr_value): Handle IF_THEN_ELSE.
10816
10817 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10818
10819         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10820         optimization for masked stores.
10821
10822 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10823
10824         PR middle-end/88567
10825         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10826         output vector directly to duplicate_and_interleave instead of
10827         going through a temporary.  Postpone insertion of ctor_seq to
10828         the end of the loop.
10829
10830 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10831
10832         PR target/86891
10833         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10834         unsigned_p.  Handle signed and unsigned overflow correction as
10835         required.
10836         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10837         prototype.
10838         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10839         for operand 2.
10840         (add<mode>3_compareV_imm): Make this callable for expanding.
10841         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10842         aarch64_plus_operand for operand 2.
10843         (subv<GPI:mode>_insn): New insn pattern.
10844         (subv<GPI:mode>_imm): Likewise.
10845         (negv<GPI:mode>3): New expand pattern.
10846         (negv<GPI:mode>_insn): New insn pattern.
10847         (negv<GPI:mode>_cmp_only): Likewise.
10848         (cmpv<GPI:mode>_insn): Likewise.
10849         (subvti4): Use register_operand for operand 1.  Update call to
10850         aarch64_expand_subvti.
10851         (usubvti4): Likewise.
10852         (negvti3): New expand pattern.
10853         (negdi_carryout): New insn pattern.
10854         (negvdi_carryinV): New insn pattern.
10855         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10856         version the named version.
10857         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10858         operands.
10859         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10860         patterns.
10861         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10862         patterns.
10863         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10864         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10865         (sub<mode>3_carryinCV): Delete.
10866         (sub<GPI:mode>3_carryinV): New expand pattern.
10867         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10868
10869 2019-01-07  Richard Biener  <rguenther@suse.de>
10870
10871         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10872         of tree_operand_hash.
10873
10874 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10875
10876         PR tree-optimization/88598
10877         * tree.h (single_nonzero_element): Declare.
10878         * tree.c (single_nonzero_element): New function.
10879         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10880         if I is the only nonzero element of CST.
10881
10882 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10883
10884         PR tree-optimization/88598
10885         * tree.h (initializer_each_zero_or_onep): Declare.
10886         * tree.c (initializer_each_zero_or_onep): New function.
10887         (signed_or_unsigned_type_for): Handle float types too.
10888         (unsigned_type_for, signed_type_for): Update comments accordingly.
10889         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10890         x & { 0 or -1, 0 or -1, ... }.
10891
10892 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10893
10894         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10895         with x86_64-pc-linux-gnu.
10896
10897 2019-01-07  Tom de Vries  <tdevries@suse.de>
10898
10899         PR target/85486
10900         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10901         function.
10902         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10903         routines.
10904
10905 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10906
10907         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10908         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10909         TARGET_AVX512F as condition.
10910
10911         PR debug/88723
10912         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10913         const_not_ok_for_debug_p target hook.
10914         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10915         on UNSPEC and subexpressions thereof if all subexpressions of the
10916         UNSPEC are CONSTANT_P.
10917
10918         PR tree-optimization/88676
10919         * tree-ssa-phiopt.c (two_value_replacement): New function.
10920         (tree_ssa_phiopt_worker): Call it.
10921
10922         PR sanitizer/88619
10923         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10924         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10925
10926         PR c++/85052
10927         * tree-vect-generic.c: Include insn-config.h and recog.h.
10928         (expand_vector_piecewise): Add defaulted ret_type argument,
10929         if non-NULL, use that in preference to type for the result type.
10930         (expand_vector_parallel): Formatting fix.
10931         (do_vec_conversion, do_vec_narrowing_conversion,
10932         expand_vector_conversion): New functions.
10933         (expand_vector_operations_1): Call expand_vector_conversion
10934         for VEC_CONVERT ifn calls.
10935         * internal-fn.def (VEC_CONVERT): New internal function.
10936         * internal-fn.c (expand_VEC_CONVERT): New function.
10937         * fold-const-call.c (fold_const_vec_convert): New function.
10938         (fold_const_call): Use it for CFN_VEC_CONVERT.
10939         * doc/extend.texi (__builtin_convertvector): Document.
10940
10941 2019-01-07  Tom de Vries  <tdevries@suse.de>
10942
10943         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10944         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10945         vector_red_partition, vector_red_sym): New global variables.
10946         (nvptx_option_override): Initialize vector_red_sym.
10947         (nvptx_declare_function_name): Restore red_partition register.
10948         (nvptx_file_end): Emit code to declare the vector reduction variables.
10949         (nvptx_output_red_partition): New function.
10950         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10951         large vector reductions.
10952         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10953         (nvptx_init_builtins): Add VECTOR_ADDR.
10954         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10955         Handle nvptx_expand_shared_addr.
10956         (nvptx_get_shared_red_addr): Add vector argument and handle large
10957         vectors.
10958         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10959         large vectors.
10960         (nvptx_goacc_reduction_init): Likewise.
10961         (nvptx_goacc_reduction_fini): Likewise.
10962         (nvptx_goacc_reduction_teardown): Likewise.
10963         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10964         init,fini,teardown}.
10965         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10966         (nvptx_set_current_function): Init vector_red_partition.
10967         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10968         (nvptx_red_partition): New insn.
10969         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10970
10971 2019-01-07  Tom de Vries  <tdevries@suse.de>
10972
10973         PR target/85381
10974         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10975         empty loops.
10976
10977 2019-01-07  Tom de Vries  <tdevries@suse.de>
10978
10979         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10980         (nvptx_option_override): Init oacc_bcast_partition.
10981         (nvptx_init_oacc_workers): New function.
10982         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10983         (nvptx_needs_shared_bcast): New function.
10984         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10985         to propagate state.
10986         (nvptx_shared_propagate): Initialize vector bcast partition and
10987         synchronization state.
10988         (nvptx_single):  Generalize to enable vectors to use shared-memory
10989         to propagate state.
10990         (nvptx_process_pars): Likewise.
10991         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10992         * config/nvptx/nvptx.h (struct machine_function): Add
10993         bcast_partition and sync_bar members.
10994
10995 2019-01-07  Tom de Vries  <tdevries@suse.de>
10996
10997         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10998         (nvptx_apply_dim_limits): New function.
10999         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11000         PTX_WARP_SIZE.
11001
11002 2019-01-07  Tom de Vries  <tdevries@suse.de>
11003
11004         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11005         as late as possible.
11006
11007 2019-01-07  Tom de Vries  <tdevries@suse.de>
11008
11009         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11010         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11011         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11012         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11013         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11014
11015 2019-01-07  Tom de Vries  <tdevries@suse.de>
11016
11017         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11018
11019 2019-01-07  Tom de Vries  <tdevries@suse.de>
11020
11021         * omp-offload.c (oacc_get_min_dim): New function.
11022         * omp-offload.h (oacc_get_min_dim): Declare.
11023
11024 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11025
11026         PR target/88521
11027         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11028         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11029
11030 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11031
11032         PR tree-opt/86020
11033         Revert:
11034         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11035
11036         * ipa-inline.c (edge_badness): Use inlined_time instead of
11037         inline_summaries->get.
11038
11039 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11040
11041         * opts.c (enable_fdo_optimizations): Enable
11042         version-loops-for-strides, loop-interchange, unrol-and-jam
11043         and tree-loop-distribution.
11044         * invoke.texi: Document newly enabled options.
11045
11046 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11047
11048         * doc/invoke.texi (max-inline-insns-small): New parameters.
11049         * ipa-inline.c (want_early_inline_function_p): simplify.
11050         (want_inline_small_function_p): Fix pasto from previous patch;
11051         use max-inline-insns-small bound.
11052         * params.def (max-inline-insns-small): New param.
11053         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11054         variables correctly.
11055
11056 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11057
11058         * doc/invoke.texi: Document max-inline-insns-size,
11059         uninlined-function-insns, uninlined-function-time,
11060         uninlined-thunk-insns and uninlined-thunk-time.
11061         * params.def: Add max-inline-insns-size,
11062         uninlined-function-insns, uninlined-function-time,
11063         uninlined-thunk-insns and uninlined-thunk-time.
11064         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11065         new parameters.
11066         * ipa-inline.c (can_inline_edge_by_limits_p,
11067         want_inline_small_function_p): Use new parameters.
11068
11069 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11070
11071         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11072
11073 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11074
11075         PR middle-end/82564
11076         PR target/88620
11077         * expr.c (expand_assignment): For calls returning VLA structures
11078         if to_rtx is not a MEM, force it into a stack temporary.
11079
11080         PR debug/88635
11081         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11082         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11083         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11084         subexpressions of both operands.
11085         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11086         subrtxes are CONSTANT_P.
11087         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11088         2018-11-09 changes.
11089
11090 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11091
11092         * params.def (hot-bb-count-ws-permille): Set to 990.
11093
11094 2019-01-04  Martin Sebor  <msebor@redhat.com>
11095
11096         PR c/88546
11097         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11098         leaf.
11099
11100 2019-01-04  Martin Sebor  <msebor@redhat.com>
11101
11102         PR c/88363
11103         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11104
11105 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11106
11107         * gdbinit.in: Turn off pagination for the skip commands, restore
11108         it to previous state afterwards.
11109
11110 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11111
11112         PR target/88594
11113         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11114         of GET_MODE (opN) as modes of the libcall arguments.
11115
11116 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11117
11118         * config/i386/sse.md
11119         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11120         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11121         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11122         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11123         avx512f_vmcmp<mode>3<round_saeonly_name>,
11124         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11125         avx512f_maskcmp<mode>3,
11126         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11127         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11128         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11129         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11130         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11131         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11132         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11133         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11134         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11135         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11136         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11137         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11138         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11139         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11140         avx512cd_maskb_vec_dup<mode>,
11141         avx512cd_maskw_vec_dup<mode>,
11142         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11143         avx512dq_vmfpclass<mode>,
11144         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11145         instead of =Yk.
11146
11147 2019-01-03  Martin Sebor  <msebor@redhat.com>
11148
11149         PR tree-optimization/88659
11150         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11151
11152 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11153
11154         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11155         unaligned vsx and avoid lxvd2x/stxvd2x.
11156         (gen_lvx_v4si_move): New function.
11157
11158 2019-01-03  Tom de Vries  <tdevries@suse.de>
11159
11160         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11161         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11162         function.
11163         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11164
11165 2019-01-03  Tom de Vries  <tdevries@suse.de>
11166
11167         * config/nvptx/nvptx.c (struct offload_attrs): New.
11168         (populate_offload_attrs): New function.  Factor mask extraction out of
11169         nvptx_reorg.  Add extraction of dimensions.
11170         (nvptx_reorg): Use populate_offload_attrs.
11171
11172 2019-01-03  Tom de Vries  <tdevries@suse.de>
11173
11174         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11175         cases for oacc_min_dims_p and routine_p.  Add asserts for
11176         oacc_default_dims_p and offload_region_p.
11177
11178 2019-01-03  Tom de Vries  <tdevries@suse.de>
11179
11180         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11181         factored out of ...
11182         (nvptx_goacc_validate_dims): ... here.
11183
11184 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11185
11186         PR tree-optimization/85574
11187         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11188         structure.
11189         (struct ssa_equip_hash_traits): Declare.
11190         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11191
11192 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11193
11194         PR debug/88644
11195         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11196         change it to qualified_type.
11197
11198 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11199
11200         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11201         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11202
11203 2019-01-02  Martin Sebor  <msebor@redhat.com>
11204             Jeff Law  <law@redhat.com>
11205
11206         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11207         (get_range_strlen_tree): Update appropriately.
11208         (get_range_strlen)
11209         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11210
11211         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11212         rather than set_range_info.
11213         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11214         maybe_set_strlen_range.  Handle potentially boundary crossing
11215         cases more conservatively.
11216         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11217         Call set_strlen_range.
11218         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11219
11220         PR middle-end/88663
11221         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11222         need the flexp argument.
11223         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11224         from calls to get_range_strlen.  Update comments.  Just update
11225         VAL for an unterminated const char array and let the reset of the
11226         code handle it normally.  No longer try to set *flexp.  Adjust
11227         return value.
11228         (get_range_strlen): Update for the new get_range_strlen API.
11229         (get_maxval_strlen): Similarly.
11230         (gimple_fold_builtin_strlen): Handle update meaning of return value
11231         from get_range_strlen.
11232         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11233         get_range_strlen API.
11234
11235 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11236
11237         PR lto/88130
11238         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11239         false at WPA time when body was removed.
11240
11241 2019-01-02  Martin Liska  <mliska@suse.cz>
11242
11243         PR tree-optimization/88650
11244         * predict.c (set_even_probabilities): Calculate probability
11245         remainer only when really used.
11246
11247 2019-01-02  Richard Biener  <rguenther@suse.de>
11248
11249         PR middle-end/88651
11250         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11251         widest_ints when mangling max_stmt_execution results.
11252
11253 2019-01-02  Richard Biener  <rguenther@suse.de>
11254
11255         PR tree-optimization/88621
11256         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11257         bitfields when canoncalizing.
11258
11259 2019-01-02  Richard Biener  <rguenther@suse.de>
11260
11261         PR target/87545
11262         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11263         cost of cheap SSE instruction.
11264
11265 2019-01-02  Richard Biener  <rguenther@suse.de>
11266
11267         PR ipa/85574
11268         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11269         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11270         function.
11271         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11272         set after UIDs before splitting them.
11273
11274 2019-01-01  Martin Sebor  <msebor@redhat.com>
11275             Jeff Law  <law@redhat.com>
11276
11277         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11278         length is optimistic.  If it is, then arrange to compute the
11279         conservative length as well.
11280
11281         * gimple-fold.h (get_range_strlen): Update prototype.
11282         * builtins.c (check_access): Update call to get_range_strlen to use
11283         c_strlen_data pointer.   Change various variable accesses to instead
11284         pull data from the c_strlen_data structure.
11285         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11286         * calls.c (maybe_warn_nonstring_arg): Likewise.
11287         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11288         minimum length if maximum lengh is unknown.
11289         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11290         that used c_strlen, it's no longer needed.  Restructure slightly.
11291         (format_string): Set unlikely range appropriately.
11292         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11293         formatting issues.
11294         (get_range_strlen):  Accept c_strlen_data pointer for external
11295         call sites as well.  Pass through to call to internal get_range_strlen.
11296         Adjust minlen, maxlen and maxbound as needed.
11297         (get_maxval_strlen): Update comments.
11298         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11299         to use c_strlen_data pointer.  Change variable accesses to instead
11300         use c_strlen_data data members.
11301
11302         * gimple-fold.c (get_range_strlen): Update prototype.
11303         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11304         local variables.  Use pdata to return information to caller.
11305         Update calls to get_range_strlen.  Update pdata->maxbound.
11306         (get_range_strlen -- static version): Similarly.
11307         (get_range_strlen -- extern version): Update for internal
11308         get_range_strlen API change.  Convert to external data format.
11309         (get_maxval_strlen): Similarly.
11310
11311 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11312
11313         * coverage.c (get_coverage_counts): Use current_function_decl.
11314         * profile.c (read_thunk_profile): New function.
11315         (branch_prob): Add THUNK parameter.
11316         * tree-profile.c (tree_profiling): Handle thunks.
11317         * value-prof.c (init_node_map): Handle thunks.
11318         * value-prof.h (branch_prob): Upate prototype.
11319         (read_thunk_profile): Declare.
11320
11321 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11322
11323         Update copyright years.
11324
11325         * gcc.c (process_command): Update copyright notice dates.
11326         * gcov-dump.c (print_version): Ditto.
11327         * gcov.c (print_version): Ditto.
11328         * gcov-tool.c (print_version): Ditto.
11329         * gengtype.c (create_file): Ditto.
11330         * doc/cpp.texi: Bump @copying's copyright year.
11331         * doc/cppinternals.texi: Ditto.
11332         * doc/gcc.texi: Ditto.
11333         * doc/gccint.texi: Ditto.
11334         * doc/gcov.texi: Ditto.
11335         * doc/install.texi: Ditto.
11336         * doc/invoke.texi: Ditto.
11337 \f
11338 Copyright (C) 2019 Free Software Foundation, Inc.
11339
11340 Copying and distribution of this file, with or without modification,
11341 are permitted in any medium without royalty provided the copyright
11342 notice and this notice are preserved.