gcc/ChangeLog

   1 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
   4         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
   5
   6 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
   7
   8         PR target/90751
   9         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
  10         Call pa_output_function_label.
  11         (TARGET_ASM_FUNCTION_PROLOGUE): define.
  12         * config/pa/pa-protos.h (pa_output_function_label): Declare.
  13         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
  14         to declaration.
  15         (pa_linux_output_function_prologue): Declare.
  16         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
  17         (pa_output_function_label): New.
  18         (pa_output_function_prologue): Revise to use pa_output_function_label.
  19         (pa_linux_output_function_prologue): New.
  20         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
  21
  22 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
  23
  24         * tree-vrp.h (value_range_base::intersect): New.
  25         (value_range::intersect_helper): Move from here...
  26         (value_range_base::intersect_helper): ...to here.
  27         * tree-vrp.c (value_range::intersect_helper): Rename to...
  28         (value_range_base::intersect_helper): ...this, and rewrite to
  29         return a value instead of modifying THIS in place.
  30         Also, move equivalence handling...
  31         (value_range::intersect): ...here, while calling intersect_helper.
  32         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
  33         calling intersect.
  34         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
  35         Same.
  36         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
  37
  38 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
  39
  40         * Makefile.in (genprogerr): Add condmd.
  41         (genprog): Remove it here.
  42
  43 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
  44
  45         * doc/invoke.texi (AMD GCN Options): Add gfx906.
  46
  47 2019-06-07  Richard Biener  <rguenther@suse.de>
  48
  49         PR debug/90574
  50         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
  51         that appear after user labels.
  52
  53 2019-06-07  Martin Liska  <mliska@suse.cz>
  54
  55         * cselib.c (cselib_init): Disable hash table
  56         sanitization.
  57         * hash-set.h: Pass new default argument to m_table.
  58         * hash-table.c: Add global variable with hash table
  59         sanitization limit.
  60         * hash-table.h (Allocator>::hash_table): Add new argument
  61         to ctor.
  62         (hashtab_chk_error): New.
  63         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
  64         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
  65         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
  66
  67 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
  68
  69         * common.opt (flto-odr-type-merging): Ignore.
  70         * invoke.texi (-flto-odr-type-merging): Remove.
  71         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
  72         (can_be_vtable_hashed_p): Remove.
  73         (hash_odr_vtable): Remove.
  74         (odr_vtable_hasher::hash): Remove.
  75         (types_same_for_odr): Remove.
  76         (types_odr_comparable): Remove.
  77         (odr_vtable_hasher::equal): Remove.
  78         (odr_vtable_hash_type, odr_vtable_hash): Remove.
  79         (add_type_duplicate): Do not synchronize vtable and name hashtables.
  80         (get_odr_type): Do not use vtable hash.
  81         (dump_odr_type): Remove commented out code.
  82         (build_type_inheritance_graph): Do not allocate vtable hash.
  83         (rebuild_type_inheritance_graph): Do not delete vtable hash.
  84         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
  85         (odr_type_p): Likewise.
  86         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
  87         test.
  88
  89 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
  90
  91         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
  92         immediately after same_types_for_tbaa_p returns -1 and continue
  93         looking for possible exact match; if matching types are arrays
  94         watch for partial overlaps.
  95         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
  96         (indirect_refs_may_alias_p): Do type based disambiguation first;
  97         update comment.
  98
  99 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 100
 101         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 102
 103 2019-06-07  Martin Liska  <mliska@suse.cz>
 104
 105         * doc/invoke.texi: Remove param.
 106         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 107         Remove.
 108         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 109         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 110         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 111         * profile.c (instrument_values): Remove
 112         HIST_TYPE_INDIR_CALL_TOPN.
 113         * tree-profile.c (init_ic_make_global_vars):
 114         Always build __gcov_indirect_call only.
 115         (gimple_init_gcov_profiler): Remove usage
 116         of PARAM_INDIR_CALL_TOPN_PROFILE.
 117         (gimple_gen_ic_profiler): Likewise.
 118         * value-prof.c (dump_histogram_value): Likewise.
 119         (stream_in_histogram_value): Likewise.
 120         (gimple_indirect_call_to_profile): Likewise.
 121         (gimple_find_values_to_profile): Likewise.
 122         * value-prof.h (enum hist_type): Likewise.
 123
 124 2019-06-07  Martin Liska  <mliska@suse.cz>
 125
 126         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 127         function.
 128
 129 2019-06-07  Martin Liska  <mliska@suse.cz>
 130
 131         PR tree-optimization/78902
 132         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 133         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 134         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 135         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 136         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 137         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 138         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 139         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 140         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 141         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 142         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 143         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 144         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 145         New.
 146         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 147         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 148         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 149         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 150         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 151         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 152         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 153         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 154         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 155         warn_unused_result attribute.
 156         (BUILT_IN_STRDUP): Likewise.
 157         (BUILT_IN_STRNDUP): Likewise.
 158         (BUILT_IN_ALLOCA): Likewise.
 159         (BUILT_IN_CALLOC): Likewise.
 160         (BUILT_IN_MALLOC): Likewise.
 161         (BUILT_IN_REALLOC): Likewise.
 162
 163 2019-06-06  Jim Wilson  <jimw@sifive.com>
 164
 165         PR target/89955
 166         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 167         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 168         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 169
 170 2019-06-06  Martin Sebor  <msebor@redhat.com>
 171
 172         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 173         (handle_builtin_malloc): Remove trailing spaces.
 174         (handle_builtin_memset): Same.
 175         (handle_builtin_memcmp): Same.
 176         (compute_string_length): Same.
 177         (determine_min_objsize): Same.
 178         (handle_builtin_string_cmp): Same.
 179         (handle_char_store): Same.  Break up excessively long line.
 180
 181 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 182
 183         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 184         check.
 185
 186 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 187
 188         * tree-sra.c (struct access): New field grp_same_access_path.
 189         (dump_access): Dump it.
 190         (build_reconstructed_reference): New function.
 191         (build_ref_for_model): Use it if possible.
 192         (path_comparable_for_same_access): New function.
 193         (same_access_path_p): Likewise.
 194         (sort_and_splice_var_accesses): Set the new flag.
 195         (analyze_access_subtree): Likewise.
 196         (propagate_subaccesses_across_link): Propagate zero value of the new
 197         flag down the access tree.
 198
 199 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 200
 201         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 202         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 203         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 204         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 205         Add gfx906.
 206
 207 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 208
 209         PR tree-optimization/90332
 210         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 211         Handle VALS containing two vectors.
 212         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 213         to...
 214         (@aarch64_combinez<mode>): ... This.
 215         (*aarch64_combinez_be<mode>): Rename to...
 216         (@aarch64_combinez_be<mode>): ... This.
 217         (vec_init<mode><Vhalf>): New define_expand.
 218         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 219
 220 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 221
 222         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 223         library functions only when not optimizing for size.
 224         (ashlsi3): Likewise.
 225         (ashrhi3): Likewise.
 226         (ashrsi3): Likewise.
 227         (lshrhi3): Likewise.
 228         (lshrsi3): Likewise.
 229
 230 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 231
 232         PR rtl-optimization/88751
 233         * ira.c (ira): Use the number of the actually referenced registers
 234         when calculating the threshold.
 235
 236 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 237
 238         * configure: Regenerate.
 239
 240 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 241
 242         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 243         register if it is in memory, so the shift can be emulated with a rotate
 244         instruction.
 245         (ashrhi3): Likewise.
 246         (lshrhi3): Likewise.
 247
 248 2019-06-06  Martin Liska  <mliska@suse.cz>
 249
 250         PR tree-optimization/87954
 251         * match.pd: Simplify mult where both arguments are 0 or 1.
 252
 253 2019-06-06  Richard Biener  <rguenther@suse.de>
 254
 255         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 256         put equivalences on UNDEFINED ranges.
 257         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 258         Make sure to drop defs of stmts added during simplification
 259         to VARYING.
 260
 261 2019-06-06  Richard Biener  <rguenther@suse.de>
 262
 263         * tree-ssa-structalias.c: Include tree-cfg.h.
 264         (make_heapvar): Do not make heap vars artificial.
 265         (find_func_aliases_for_builtin_call): Handle stack allocation
 266         functions.
 267         (find_func_aliases): Delay processing of simple enough returns
 268         in non-IPA mode.
 269         (set_uids_in_ptset): Adjust.
 270         (find_what_var_points_to): Likewise.
 271         (solve_constraints): Do not dump points-to sets here.
 272         (compute_points_to_sets): Post-process return statements,
 273         amending the escaped solution.  Dump points-to sets afterwards.
 274         (ipa_pta_execute): Dump points-to sets.
 275
 276 2019-06-06  Martin Liska  <mliska@suse.cz>
 277
 278         PR web/87933
 279         * doc/install.texi: Fix HTML headers and
 280         titles for 'Installing GCC' pages.
 281
 282 2019-06-06  Martin Liska  <mliska@suse.cz>
 283
 284         * ipa-icf-gimple.h (dump_message_1): Remove.
 285         (dump_message): Likewise.
 286         (return_false_with_message_1): Print also file.
 287         (return_false_with_msg): Likewise.
 288         (return_with_result): Likewise.
 289         (return_with_debug): Likewise.
 290         * ipa-icf.c (sem_function::equals_private): Remove call
 291         to dump_message.
 292
 293 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 294
 295         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 296         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 297         memory operand for it.
 298         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 299
 300 2019-06-05  Martin Sebor  <msebor@redhat.com>
 301
 302         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 303         Adjust quoting and hyphenation.
 304         * convert.c (convert_to_real_1): Same.
 305         * gcc.c (driver_wrong_lang_callback): Same.
 306         (driver::handle_unrecognized_options): Same.
 307         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 308         * opts-common.c (cmdline_handle_error): Same.
 309         (read_cmdline_option): Same.
 310         * opts-global.c (complain_wrong_lang): Same.
 311         (print_ignored_options): Same.
 312         (handle_common_deferred_options): Same.
 313         * pretty-print.h: Same.
 314         * print-rtl.c (debug_bb_n_slim): Same.
 315         * sched-rgn.c (make_pass_sched_fusion): Same.
 316         * tree-cfg.c (verify_gimple_assign_unary): Same.
 317         (verify_gimple_label): Same.
 318         * tree-ssa-operands.c (verify_ssa_operands): Same.
 319         * varasm.c (do_assemble_alias): Same.
 320         (assemble_alias): Same.
 321
 322 2019-06-05  Richard Henderson  <rth@twiddle.net>
 323
 324         * config/alpha/alpha.c (direct_return): Move down after
 325         struct machine_function definition; use saved frame_size;
 326         return bool.
 327         (struct machine_function): Add sa_mask, sa_size, frame_size.
 328         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 329         (alpha_compute_frame_layout): ... new function.
 330         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 331         (alpha_initial_elimination_offset): Use saved sa_size.
 332         (alpha_vms_initial_elimination_offset): Likewise.
 333         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 334         (alpha_expand_prologue): Use saved frame data.  Merge integer
 335         and fp register save loops.
 336         (alpha_expand_epilogue): Likewise.
 337         (alpha_start_function): Use saved frame data.
 338         * config/alpha/alpha-protos.h (direct_return): Update.
 339         (alpha_sa_size): Remove.
 340
 341 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 342
 343         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 344         multiplication by a power-of-two value.
 345         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 346         and turn the modulo operation into a masking operation.
 347
 348 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 349
 350         PR debug/90733
 351         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 352         with VOIDmode inner operands.
 353
 354 2019-06-05  Richard Biener  <rguenther@suse.de>
 355
 356         PR middle-end/90726
 357         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 358         turn an expression graph into a tree.
 359
 360 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 361
 362         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 363         member.
 364         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 365         treat it like explicit monotonic schedule modifier.
 366         (expand_omp_for): Initialize has_lastprivate_conditional.
 367         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 368         schedule modifier.
 369
 370         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 371         references, lookup in in hash map MEM_REF operand instead of the
 372         MEM_REF itself.
 373         (lower_omp_1): When looking for lastprivate conditional assignments,
 374         handle MEM_REFs with REFERENCE_TYPE operands.
 375
 376         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 377         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 378         and references a VLA.  Handle references to non-VLAs if is_simd
 379         all privatization clauses like reductions.
 380         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 381         If omp_is_reference, use always omp simd arrays and set
 382         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 383         fails, emit reference initialization.
 384
 385 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 386
 387         PR target/89803
 388         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 389         _mm_mask_fpclass_sd_mask): New intrinsics.
 390         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 391         * config/i386/i386-builtin.def
 392         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 393         New builtins.
 394         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 395         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 396         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 397         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 398         case QI_FTYPE_V2SF_INT): Ditto.
 399         * config/i386/sse.md
 400         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 401         Extended to insnstructions with mask operands.
 402
 403 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 404
 405         * config/rs6000/constraints.md (define_register_constraint "wp"):
 406         Delete.
 407         (define_register_constraint "wq"): Delete.
 408         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 409         (rs6000_init_hard_regno_mode_ok): Adjust.
 410         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 411         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 412         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 413         (define_mode_attr VSa): Delete.
 414         (define_mode_attr VSisa): New.
 415         (rest of file): Adjust.
 416         * doc/md.texi (Machine Constraints): Adjust.
 417
 418 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 419
 420         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 421         (define_attr "enabled"): Handle those new isa values.
 422
 423 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 424
 425         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 426         (define_mode_attr VSr5): Delete.
 427         (define_mode_attr VStype_sqrt): Delete.
 428         (define_mode_iterator VSX_SPDP): Delete.
 429         (define_mode_attr VS_spdp_res): Delete.
 430         (define_mode_attr VS_spdp_insn): Delete.
 431         (define_mode_attr VS_spdp_type): Delete.
 432         (*vsx_sqrt<mode>2): Adjust.
 433         (vsx_<VS_spdp_insn>): Delete, split to...
 434         (vsx_xscvdpsp): ... this.  New.  And...
 435         (vsx_xvcvspdp): ... this.  New.  And...
 436         (vsx_xvcvdpsp): ... this.  New.
 437
 438 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 439
 440         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 441         and V2DF.
 442         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 443         (rest of file): Adjust.
 444
 445 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 446
 447         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 448         (vsx_extract_<mode>_var): Ditto.
 449
 450 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 451
 452         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 453         with just "wa".
 454
 455 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 456
 457         * config/rs6000/constraints.md (define_register_constraint "ww"):
 458         Delete.
 459         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 460         (rs6000_init_hard_regno_mode_ok): Adjust.
 461         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 462         RS6000_CONSTRAINT_ww.
 463         * config/rs6000/rs6000.md: Adjust.
 464         * config/rs6000/vsx.md: Adjust.
 465         * doc/md.texi (Machine Constraints): Adjust.
 466
 467 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 468
 469         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 470         (define_mode_attr sd): New.
 471         (define_mode_attr s): New.
 472         (define_mode_attr Ftrad): Delete.
 473         (define_mode_attr Fvsx): Delete.
 474         (define_mode_attr Fs): Delete.
 475         (rest of file): Use the new mode attributes.
 476         * config.rs6000/vsx.md: Use the new mode attributes.
 477
 478 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 479
 480         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 481         with just "wa".
 482
 483 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 484
 485         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 486         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 487         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 488
 489 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 490
 491         PR target/78263
 492         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 493         C++ with strict ANSI requirements.
 494
 495 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 496
 497         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 498         computations when step is 1.
 499
 500 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 501
 502         * config/rs6000/constraints.md (define_register_constraint "wf"):
 503         Delete.
 504         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 505         (rs6000_init_hard_regno_mode_ok): Adjust.
 506         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 507         RS6000_CONSTRAINT_wf.
 508         * config/rs6000/rs6000.md: Adjust.
 509         * config/rs6000/vsx.md: Adjust.
 510         * doc/md.texi (Machine Constraints): Adjust.
 511
 512 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 513
 514         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 515         Fix ILP32 value.
 516
 517 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 518
 519         * config/rs6000/constraints.md (define_register_constraint "wd"):
 520         Delete.
 521         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 522         (rs6000_init_hard_regno_mode_ok): Adjust.
 523         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 524         RS6000_CONSTRAINT_wd.
 525         * config/rs6000/rs6000.md: Adjust.
 526         * config/rs6000/vsx.md: Adjust.
 527         * doc/md.texi (Machine Constraints): Adjust.
 528
 529 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 530
 531         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 532         (rest of file): Adjust.
 533
 534 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 535
 536         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 537         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 538         (vsx_splat_<mode>_reg): Adjust.
 539
 540 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 541
 542         * config/rs6000/constraints.md (define_register_constraint "ws"):
 543         Delete.
 544         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 545         (rs6000_init_hard_regno_mode_ok): Adjust.
 546         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 547         RS6000_CONSTRAINT_ws.
 548         * config/rs6000/rs6000.md: Adjust.
 549         * config/rs6000/vsx.md: Adjust.
 550         * doc/md.texi (Machine Constraints): Adjust.
 551
 552 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 553
 554         * config/rs6000/constraints.md (define_register_constraint "wv"):
 555         Delete.
 556         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 557         (rs6000_init_hard_regno_mode_ok): Adjust.
 558         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 559         RS6000_CONSTRAINT_wv.
 560         * config/rs6000/rs6000.md: Adjust.
 561         * config/rs6000/vsx.md: Adjust.
 562         * doc/md.texi (Machine Constraints): Adjust.
 563
 564 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 565
 566         * config/rs6000/constraints.md (define_register_constraint "wi"):
 567         Delete.
 568         (define_register_constraint "wt"): Delete.
 569         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 570         (rs6000_init_hard_regno_mode_ok): Adjust.
 571         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 572         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 573         * config/rs6000/rs6000.md: Adjust.
 574         * config/rs6000/vsx.md: Adjust.
 575         * doc/md.texi (Machine Constraints): Adjust.
 576
 577 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 578
 579         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 580         const.
 581         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 582         default_elf_asm_output_external.
 583
 584 2019-06-04  Martin Liska  <mliska@suse.cz>
 585
 586         * ipa-icf.c (INCLUDE_LIST): Remove.
 587         (sem_item_optimizer::execute): Remove call to init_wpa.
 588         * ipa-icf.h (init_wpa): Remove.
 589
 590 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 591
 592         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 593         conditional on combined for simd.
 594         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 595         member.
 596         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
 597         constructs, don't remove lastprivate_conditional_map, but instead set
 598         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
 599         to parent construct temporaries.
 600         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
 601         like !ctx->lastprivate_conditional_map.
 602         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
 603         use up->outer context instead of up.
 604         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
 605         gimple_omp_for_combined_p.
 606         (expand_omp_for_static_nochunk): Likewise.
 607         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
 608         probably moved over into expand_omp_for_generic rather than being copied
 609         there.
 610
 611 2019-06-04  Martin Liska  <mliska@suse.cz>
 612
 613         * value-prof.c (dump_histogram_value): Fix typo.
 614         (gimple_mod_subtract_transform): Likewise.
 615
 616 2019-06-04  Richard Biener  <rguenther@suse.de>
 617
 618         PR middle-end/90726
 619         * tree-chrec.c (chrec_contains_symbols): Add to visited.
 620         (tree_contains_chrecs): Likewise.
 621         (chrec_contains_symbols_defined_in_loop): Move here and avoid
 622         exponential behaivor from ...
 623         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 624         ... here.
 625         (expression_expensive_p): Avoid exponential behavior and compute
 626         expanded size, rejecting any expansion.
 627         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
 628         (idx_contains_abnormal_ssa_name_p): Likewise.
 629         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
 630         (contains_abnormal_ssa_name_p): Simplify and use
 631         walk_tree_without_duplicates.
 632
 633 2019-06-04  Richard Biener  <rguenther@suse.de>
 634
 635         PR tree-optimization/90738
 636         Revert
 637         2019-06-03  Richard Biener  <rguenther@suse.de>
 638
 639         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 640         full reference tree and record in ref->ref.
 641         (vn_reference_lookup_3): Pass in original ref to
 642         ao_ref_init_from_vn_reference.
 643         (vn_reference_lookup): Likewise.
 644         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 645         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 646         Handle non-decl bases in the original reference.
 647
 648 2019-06-04  Martin Liska  <mliska@suse.cz>
 649
 650         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
 651         number of references.
 652         (sem_item_optimizer::do_congruence_step):
 653         (sem_item_optimizer::worklist_push): Dump how references
 654         a class has.
 655         (sem_item_optimizer::worklist_pop): Use heap.
 656         (sem_item_optimizer::process_cong_reduction): Likewise.
 657         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
 658
 659 2019-06-04  Martin Liska  <mliska@suse.cz>
 660
 661         * ipa-icf.h (struct sem_usage_pair_hash): New.
 662         (sem_usage_pair_hash::hash): Likewise.
 663         (sem_usage_pair_hash::equal): Likewise.
 664         (struct sem_usage_hash): Likewise.
 665         * ipa-icf.c (sem_item::sem_item): Initialize
 666         referenced_by_count.
 667         (sem_item::add_reference): Register a reference
 668         in ref_map and not in target->usages.
 669         (sem_item::setup): Remove initialization of
 670         dead vectors.
 671         (sem_item::~sem_item): Remove usage of dead vectors.
 672         (sem_item::dump): Remove dump of references.
 673         (sem_item_optimizer::sem_item_optimizer): Initialize
 674         m_references.
 675         (sem_item_optimizer::read_section): Remove useless
 676         dump.
 677         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
 678         (sem_item_optimizer::build_graph): Pass m_references
 679         to ::add_reference.
 680         (sem_item_optimizer::verify_classes): Remove usage of dead
 681         vectors.
 682         (sem_item_optimizer::traverse_congruence_split): Return true
 683         when a class is split.
 684         (sem_item_optimizer::do_congruence_step_for_index): Use
 685         hash_map for look up of (sem_item *, index). That brings
 686         significant speed up.
 687         (sem_item_optimizer::do_congruence_step): Return true
 688         when a split is done.
 689         (congruence_class::is_class_used): Use referenced_by_count.
 690
 691 2019-06-04  Alan Modra  <amodra@gmail.com>
 692
 693         PR target/90689
 694         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
 695         error.
 696
 697 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 698
 699         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
 700         * config/rs6000/rs6000.c (direct_move_p): Adjust.
 701         (rs6000_secondary_reload_simple_move): Adjust.
 702         (rs6000_opt_masks): Neuter the "mfpgpr" option.
 703         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
 704         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
 705         comment.
 706         (power6x): Adjust.
 707         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
 708         (floatunssi<mode>2_lfiwzx): Adjust.
 709         (fix_trunc<mode>si2_stfiwx): Adjust.
 710         (fixuns_trunc<mode>si2_stfiwx): Adjust.
 711         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
 712         (mfpgpr): Mark as deprecated.
 713         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
 714         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
 715         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
 716
 717 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
 718
 719         * config/rs6000/constraints.md (define_register_constraint "wg"):
 720         Delete.
 721         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 722         RS6000_CONSTRAINT_wg.
 723         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 724         (rs6000_init_hard_regno_mode_ok): Adjust.
 725         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
 726         Delete "wg" alternatives.
 727         * doc/md.texi (Machine Constraints): Adjust.
 728
 729 2019-06-03  Alan Modra  <amodra@gmail.com>
 730
 731         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
 732         (get_uncond_jump_length): Assert length less than INT_MAX and
 733         non-negative.
 734
 735 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 736
 737         PR middle-end/64242
 738         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
 739         block.
 740         (expand_builtin_nonlocal_goto): Likewise.
 741
 742 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 743
 744         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
 745         (aarch64_asm_output_external): Declare.
 746         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
 747         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
 748         (aarch64_asm_output_alias): New.
 749         (aarch64_asm_output_external): New.
 750         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
 751         (ASM_OUTPUT_EXTERNAL): Define.
 752
 753 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
 754         * tree-vrp.h (value_range_base::nonzero_p): New.
 755         (value_range_base::set_nonnull): Rename to...
 756         (value_range_base::set_nonzero): ...this.
 757         (value_range_base::set_null): Rename to...
 758         (value_range_base::set_zero): ...this.
 759         (value_range::set_nonnull): Remove.
 760         (value_range::set_null): Remove.
 761         * tree-vrp.c (range_is_null): Remove.
 762         (range_is_nonnull): Remove.
 763         (extract_range_from_binary_expr): Use value_range_base::*zero_p
 764         instead of range_is_*null.
 765         (extract_range_from_unary_expr): Same.
 766         (value_range_base::set_nonnull): Rename to...
 767         (value_range_base::set_nonzero): ...this.
 768         (value_range::set_nonnull): Remove.
 769         (value_range_base::set_null): Rename to...
 770         (value_range_base::set_zero): ...this.
 771         (value_range::set_null): Remove.
 772         (extract_range_from_binary_expr): Rename set_*null uses to
 773         set_*zero.
 774         (extract_range_from_unary_expr): Same.
 775         (union_helper): Same.
 776         * vr-values.c (get_value_range): Use set_*zero instead of
 777         set_*null.
 778         (vr_values::extract_range_from_binary_expr): Same.
 779         (vr_values::extract_range_basic): Same.
 780
 781 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
 782
 783         PR driver/90684
 784         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
 785
 786 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 787
 788         * config/aarch64/iterators.md (MAX_OPP): New code attr.
 789         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
 790         (aarch64_<su>abd<mode>_3): ... This.
 791         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
 792
 793 2019-06-03  Richard Biener  <rguenther@suse.de>
 794
 795         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 796         full reference tree and record in ref->ref.
 797         (vn_reference_lookup_3): Pass in original ref to
 798         ao_ref_init_from_vn_reference.
 799         (vn_reference_lookup): Likewise.
 800         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 801         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 802         Handle non-decl bases in the original reference.
 803
 804 2019-06-03  Martin Liska  <mliska@suse.cz>
 805
 806         * doc/generic.texi: Remove Java Trees.
 807
 808 2019-06-03  Martin Liska  <mliska@suse.cz>
 809
 810         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
 811         returns 0 when operands are equal.
 812
 813 2019-06-03  Richard Biener  <rguenther@suse.de>
 814
 815         PR tree-optimization/90716
 816         * tree-loop-distribution.c (destroy_loop): Process blocks in
 817         correct order.
 818
 819 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 820
 821         PR target/88837
 822         * vector-builder.h (vector_builder::count_dups): New method.
 823         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
 824         Declare prototype.
 825         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
 826         (vec_init<mode><Vel>): New pattern.
 827         * config/aarch64/aarch64.c (emit_insr): New function.
 828         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
 829         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
 830         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
 831         (aarch64_sve_expand_vector_init): Define two overloaded functions.
 832
 833 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 834
 835         PR tree-optimization/90681
 836         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
 837         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
 838         special case for SLP, but fail on non-groupped loads.
 839
 840 2019-06-03  Martin Liska  <mliska@suse.cz>
 841
 842         * cfg.c (debug): Use TDF_DETAILS for debug and
 843         print edge info only once.
 844
 845 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 846
 847         PR fortran/90539
 848         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
 849
 850 2019-06-01  Martin Sebor  <msebor@redhat.com>
 851
 852         PR middle-end/90694
 853         * tree-pretty-print.c (dump_generic_node): Add parentheses.
 854
 855 2019-05-31  Jan Hubicka  <jh@suse.cz>
 856
 857         * alias.c: Include ipa-utils.h.
 858         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
 859         * ipa-devirt.c (prevailing_odr_type): New.
 860         * ipa-utils.h (previaling_odr_type): Declare.
 861
 862 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 863             Hongtao Liu  <hongtao.liu@intel.com>
 864
 865         PR target/89355
 866         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
 867         NOTE_INSN_DELETED_LABEL check.
 868
 869 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
 870             Robert Suchanek  <robert.suchanek@mips.com>
 871
 872         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
 873         and 3rd operands of the fmadd/fmsub/maddv builtin.
 874
 875 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 876
 877         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
 878         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 879         on OMP_SIMD if not nested inside of worksharing loop that also has
 880         lastprivate conditional clause for the same decl.
 881         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
 882         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
 883         on simd.
 884         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
 885         on simd construct.
 886         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
 887         on simd construct.
 888         (lower_lastprivate_clauses): Likewise.
 889         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
 890         calling lower_rec_input_clauses.
 891         (lower_omp_for): Likewise.
 892         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
 893         clause on simd construct.
 894         * omp-expand.c (expand_omp_simd): Initialize cond_var if
 895         OMP_CLAUSE__CONDTEMP_ clause is present.
 896
 897         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
 898         ivar and lvar.
 899
 900 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 901
 902         PR c/43673
 903         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
 904         TEX_D32, TEX_D64 or TEX_D128.
 905
 906 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 907
 908         * match.pd (~(vec?cst1:cst2)): New transformation.
 909
 910 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 911
 912         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
 913         ((size_t)(A /[ex] B) CMP C): New transformation.
 914
 915 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
 916
 917         * doc/md.texi: Document define_insn_and_rewrite.
 918         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 919         * gensupport.c (queue_elem): Update comment.
 920         (replace_operands_with_dups): New function.
 921         (gen_rewrite_sequence): Likewise.
 922         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 923         * read-rtl.c (apply_subst_iterator): Likewise.
 924         (add_condition_to_rtx, named_rtx_p): Likewise.
 925         (rtx_reader::read_rtx_operand): Likewise.
 926         * config/aarch64/aarch64-sve.md
 927         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 928         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 929         define_insn_and_rewrite.
 930         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 931         Remove separate define_split.
 932
 933 2019-05-31  Jan Hubicka  <jh@suse.cz>
 934
 935         * tree-ssa-alias.c (type_has_components_p): New function.
 936         (aliasing_component_refs_p): Use it.
 937
 938 2019-05-31  Martin Liska  <mliska@suse.cz>
 939
 940         * gdbhooks.py: Add const_tree to TreePrinter.
 941
 942 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 943
 944         PR debug/86964
 945         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 946         * doc/invoke.texi (Debugging Options): Document new default of
 947         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 948
 949 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 950
 951         PR tree-optimization/90671
 952         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 953         template_block used to be empty on the first call, don't use
 954         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 955         seq with bb_seq and set it with set_bb_seq.
 956
 957 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 958
 959         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 960
 961 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 962             Michael Meissner  <meissner@linux.ibm.com>
 963
 964         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 965         (prefixed_mem_operand): Likewise.
 966         (non_prefixed_mem_operand): Likewise.
 967         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 968         prototype.
 969         * config/rs6000/rs6000.c (print_operand_address): Handle
 970         PC-relative addresses.
 971         (mode_supports_prefixed_address_p): New function.
 972         (rs6000_prefixed_address): New function.
 973         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 974         (SYMBOL_REF_PCREL_P): Likewise.
 975
 976 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 977
 978         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 979         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 980         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 981         is nested inside of parallel region, add _condtemp_ clause to both.
 982         * tree-nested.c (convert_nonlocal_omp_clauses,
 983         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 984         assertion failure.
 985         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 986         member.
 987         * omp-general.c (omp_extract_for_data): Compute it.
 988         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 989         (lower_rec_input_clauses): Likewise.
 990         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 991         clause is already present, just add one further one after it.
 992         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 993         (lower_send_shared_vars): Clear _condtemp_ vars.
 994         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 995         or section or taskgroup.
 996         * omp-expand.c (determine_parallel_type): Disallow combining only if
 997         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 998         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 999         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1000         expand_omp_for_static_chunk, expand_omp_for): Use
1001         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1002         determine if a special set of API routines are needed and if condtemp
1003         needs to be initialized, while always initialize cond_var if
1004         fd->lastprivate_conditional is non-zero.
1005
1006 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1007             Michael Meissner  <meissner@linux.ibm.com>
1008
1009         * config/rs6000/constraints.md (eI): New constraint.
1010         * config/rs6000/predicates.md (cint34_operand): New predicate.
1011         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1012         (SIGNED_34BIT_OFFSET_P): Likewise.
1013         * doc/md.texi (eI): Document constraint.
1014
1015 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1016
1017         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1018
1019 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1020             Michael Meissner  <meissner@linux.ibm.com>
1021
1022         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1023         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1024         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1025         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1026         (OTHER_FUTURE_MASKS): Likewise.
1027         (POWERPC_MASKS): Likewise.
1028         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1029         specified without -mprefixed-addr or -mcpu=future.  Error if
1030         -mprefixed-addr is specified without -mcpu=future.
1031         (rs6000_opt_masks): Add entry for prefixed-addr.
1032         * rs6000.opt (mprefixed-addr): New option.
1033
1034 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1035
1036         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1037         cfun->is_thunk check.
1038
1039 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1040
1041         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1042         to length.
1043
1044 2019-05-30  Martin Liska  <mliska@suse.cz>
1045
1046         * gdbinit.in: Fix 'ptc' command.  Add trt
1047         that prints TREE_TYPE($).
1048
1049 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1050             Alan Modra  <amodra@gmail.com>
1051
1052         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1053         calls here...
1054         (rs6000_indirect_call_template_1): ...and here.
1055         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1056         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1057         rs6000_pltseq_enum.
1058         (rs6000_decl_ok_for_sibcall): New function.
1059         (rs6000_function_ok_for_sibcall): Refactor.
1060         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1061         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1062         when pcrel.  Reorganize.
1063         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1064         * rs6000.h (rs6000_pltseq_enum): New enum.
1065         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1066         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1067         (*pltseq_plt16_ha): Likewise.
1068         (*pltseq_plt16_lo): Likewise.
1069         (*pltseq_mtctr): Likewise.
1070         (*pltseq_plt_pcrel): New insn.
1071         (*call_local_aix): Handle @notoc calls.
1072         (*call_value_local_aix): Likewise.
1073         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1074         (*call_value_nonlocal_aix): Likewise.
1075         (*call_indirect_pcrel): New insn.
1076         (*call_value_indirect_pcrel): Likewise.
1077
1078
1079 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1080
1081         * config/i386/sse.md (*save_multiple<mode>): Rename from
1082         save_multiple<mode>.
1083         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1084         (*restore_multiple_and_return<mode>): Rename from
1085         restore_multiple_and_return<mode>.
1086         (*restore_multiple_leave_return<mode>): Rename from
1087         restore_multiple_leave_return<mode>.
1088
1089 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1090
1091         * config.gcc (rx-*-linux*): New target.
1092         * config/rx/elf.opt: New file.
1093         * config/rx/linux.h: Likewise.
1094         * config/rx/t-linux: Likewise.
1095         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1096         make it zero.
1097         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1098         (ASM_APP_OFF): Likewise.
1099         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1100         moved elsewhere.
1101
1102 2019-05-29  Jan Hubicka  <jh@suse.cz>
1103
1104         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1105         variants are pointer equivalent.
1106
1107 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1108
1109         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1110         * config/aarch64/aarch64-sve2.md: New file.
1111         (<u>avg<mode>3_floor): New pattern.
1112         (<u>avg<mode>3_ceil): Likewise.
1113         (*<sur>h<addsub><mode>): Likewise.
1114         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1115         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1116
1117 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1118
1119         PR bootstrap/90543
1120         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1121         for var_opt_string printing.  In cl_optimization_print_diff, print
1122         (null) instead of invoking undefined behavior if one of the
1123         var_opt_string pointers is NULL and use && instead of first || in the
1124         guarding condition.  For var_target_other options, handle const char *
1125         target variables similarly to const char * optimize node variables.
1126
1127 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1128
1129         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1130         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1131         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1132         Add autib1716 and pacib1716 initialisation.
1133         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1134         for autib1716 and pacib1716.
1135         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1136         aarch64_post_cfi_startproc): Define.
1137         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1138         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1139         aarch64_handle_pac_ret_protection): Set default sign key to A.
1140         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1141         aarch64_expand_prologue): Add check for b-key.
1142         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1143         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1144         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1145         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1146         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1147         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1148         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1149         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1150         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1151         pauth_hint_num_a with pauth_hint_num.
1152         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1153         pauth_hint_num_a with pauth_hint_num.
1154         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1155         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1156         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1157         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1158         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1159         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1160         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1161         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1162         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1163         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1164         UNSPEC_AUTIA1716 respectively.
1165         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1166         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1167         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1168         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1169         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1170
1171 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1172
1173         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1174         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1175         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1176         explicit clause on combined parallel into implicit shared clause.
1177         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1178         and firstprivate if the decl has one too from combined parallel to
1179         the worksharing construct.
1180
1181 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1182             Michael Meissner  <meissner@linux.ibm.com>
1183
1184         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1185
1186 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1187
1188         * rtl.h (LABEL_REF_P): New #define.
1189
1190 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1191
1192         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1193
1194 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1195
1196         * internal-fn.c: Marked mask_load_direct as vectorizable.
1197         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1198         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1199         combined even if masks different with allow_slp_p param.
1200         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1201         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1202         dissolve SLP-only vectorizable groups when SLP has been discarded.
1203         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1204         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1205         masks.
1206         (vect_build_slp_tree_1): Fixed comment typo.
1207         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1208         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1209         loads for SLP only.
1210         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1211         vectorizable.
1212         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1213
1214 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1215
1216         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1217         Remove obsolete use_thunk reference.
1218         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1219         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1220         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1221         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1222         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1223         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1224         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1225         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1226         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1227
1228 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1229
1230         * tree.h (IDENTIFIER_ANON_P): New.
1231         (anon_aggrname_format, anon_aggname_p): Don't declare.
1232         (make_anon_name): Declare.
1233         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1234         (hash_tree): Likewise.
1235         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1236         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1237         (anon_cnt, make_anon_name): New.
1238
1239 2019-05-28  Martin Liska  <mliska@suse.cz>
1240
1241         PR other/90315
1242         * opts-global.c (decode_options): Print help for all
1243         help_option_arguments.
1244         * opts.c (print_help): Add new argument.
1245         (common_handle_option): Remember all values into
1246         help_option_arguments.
1247         * opts.h (print_help): Add new argument.
1248
1249 2019-05-28  Martin Liska  <mliska@suse.cz>
1250
1251         PR ipa/90555
1252         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1253         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1254         (func_checker::compare_bb): Call compare_loops.
1255
1256 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1257
1258         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1259         on sections construct.
1260         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1261         construct.
1262         (lower_omp_sections): Handle lastprivate conditional.
1263         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1264         lastprivate_conditional_map.
1265         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1266
1267         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1268         critical, taskgroup and section regions when looking for a region
1269         with non-NULL lastprivate_conditional_map.
1270
1271 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1272
1273         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1274         (*ix86_gen_sub3): Ditto.
1275         (*ix86_gen_sub3_carry): Ditto.
1276         (*ix86_gen_one_cmpl2): Ditto.
1277         (*ix86_gen_andsp): Ditto.
1278         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1279         (gen_and2_insn): New static function.
1280         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1281         Use gen_add3_insn instead of ix86_gen_add3.
1282         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1283         instead of ix86_gen_add3.
1284         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1285         Use gen_sub3_insn instead of ix86_gen_sub3.
1286         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1287         instead of ix86_gen_add3.
1288         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1289         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1290         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1291         * config/i386/i386-options.c (ix86_option_override_internal):
1292         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1293         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1294
1295 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1296
1297         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1298         and DW_OP_GNU_const_index opcodes.
1299
1300 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1301
1302         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1303
1304 2019-05-27  Richard Biener  <rguenther@suse.de>
1305
1306         PR tree-optimization/90637
1307         * tree-ssa-sink.c (statement_sink_location): Honor the
1308         computed sink location for single-uses.
1309
1310 2019-05-27  Richard Biener  <rguenther@suse.de>
1311
1312         PR middle-end/90610
1313         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1314         a bit-insert.
1315
1316 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1317
1318         * config/i386/i386.md (@sub<mode>3_carry): Rename
1319         from sub<mode>3_carry.
1320         (@leave_<mode>): New expander.
1321         (*leave): Rename from leave.
1322         (*leave_rex64): Rename from leave_rex64.
1323         (@monitorx_<mode>): Rename from monitorx_<mode>.
1324         (@clzero_<mode>): Rename from clzero_<mode>.
1325         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1326         from sse3_monitor_<mode>.
1327         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1328         (*ix86_gen_leave): Ditto.
1329         (*ix86_gen_monitor): Ditto.
1330         (*ix86_gen_monitorx): Ditto.
1331         (*ix86_gen_clzero): Ditto.
1332         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1333         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1334         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1335         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1336         Use gen_sse3_monitor instead of ix86_gen_monitor.
1337         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1338         instead of ix86_gen_monitorx.
1339         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1340         instead of ix86_gen_clzero.
1341         * config/i386/i386-options.c (ix86_option_override_internal):
1342         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1343         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1344
1345 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1346
1347         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1348         Rename from tls_global_dynamic_64_<mode>.
1349         (@tls_local_dynamic_base_64_<mode>): Rename from
1350         tls_local_dynamic_base_64_<mode>.
1351         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1352         Remove indirect function.
1353         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1354         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1355         instead of ix86_gen_tls_global_dynamic_64.
1356         Use gen_tls_local_dynamic_base_64 instead of
1357         ix86_gen_tls_local_dynamic_base_64.
1358         * config/i386/i386-options.c (ix86_option_override_internal):
1359         Do not initialize ix86_gen_tls_global_dynamic_64 and
1360         ix86_gen_tls_local_dynamic_base_64.
1361
1362 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1363
1364         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1365         Rename from pro_epilogue_adjust_stack_<mode>_add.
1366         (@pro_epilogue_adjust_stack_sub_<mode>)
1367         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1368         (@allocate_stack_worker_probe_<mode>):
1369         Rename from allocate_stack_worker_probe_<mode>.
1370         (allocate_stack): Use gen_allocate_stack_worker_probe.
1371         (probe_stack): Use gen_probe_stack_1.
1372         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1373         (@adjust_stack_and_probe_<mode>): Rename from
1374         adjust_stack_and_probe<mode>.
1375         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1376         (stack_protect_set): Use gen_stack_protect_set_1.
1377         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1378         (stack_protect_test): Use gen_stack_protect_test_1.
1379         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1380         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1381         Remove indirect function.
1382         (*ix86_gen_adjust_stack_and_probe): Ditto.
1383         (*ix86_gen_probe_stack_range): Ditto.
1384         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1385         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1386         (ix86_adjust_stack_and_probe_stack_clash): Use
1387         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1388         (ix86_adjust_stack_and_probe): Ditto.
1389         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1390         of ix86_gen_probe_stack_range.
1391         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1392         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1393         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1394         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1395         CODE_FOR_stack_protect_test_{si,di}.
1396         * config/i386/i386-options.c (ix86_option_override_internal):
1397         Do not initialize ix86_gen_allocate_stack_worker,
1398         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1399
1400 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1401
1402         * doc/invoke.texi (Link Options): Many editorial changes around
1403         -flinker-output.
1404
1405 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1406
1407         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1408         pre-Solaris 11 referene and most Studio compiler details.
1409
1410 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1411
1412         PR target/90530
1413         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1414         DImode to SImode in floating-point registers on 64-bit target.
1415         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1416         register_operand in xmpyu patterns.
1417
1418 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1419
1420         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1421         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1422         OMP_CLAUSE__REDUCTEMP_.
1423         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1424         OMP_CLAUSE__CONDTEMP_.
1425         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1426         * tree-pretty-print.c (dump_omp_clause): Likewise.
1427         * tree-nested.c (convert_nonlocal_omp_clauses,
1428         convert_local_omp_clauses): Likewise.
1429         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1430         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1431         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1432         on OMP_FOR.
1433         (gimplify_omp_for): Warn and disable conditional modifier from
1434         lastprivate on loop iterators.
1435         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1436         member.
1437         * omp-general.c (omp_extract_for_data): Initialize it.
1438         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1439         member.
1440         (delete_omp_context): Delete it.
1441         (lower_lastprivate_conditional_clauses): New function.
1442         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1443         handle lastprivate conditional clauses.
1444         (lower_reduction_clauses): Add CLIST argument, emit it into
1445         the critical section if any.
1446         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1447         lower_reduction_clauses callers.
1448         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1449         to lower_lastprivate_clauses.
1450         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1451         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1452         clist into a critical section if not emitted there already by
1453         lower_reduction_clauses.
1454         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1455         callers.
1456         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1457         conditional variables.
1458         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1459         clause is present.
1460         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1461         expand_omp_for_static_chunk): Handle lastprivate conditional.
1462         (expand_omp_for): Handle fd.lastprivate_conditional like
1463         fd.have_reductemp.
1464
1465 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1466
1467         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1468         kernel does not exit cleanly.
1469         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1470
1471 2019-05-24  Jason Merrill  <jason@redhat.com>
1472
1473         Revert:
1474         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1475
1476 2019-05-24  Richard Biener  <rguenther@suse.de>
1477
1478         PR testsuite/90607
1479         * tree-loop-distribution.c (struct partition): Add location
1480         member.
1481         (partition_alloc): Initialize all fields.
1482         (generate_memset_builtin): Use the location recorded in the
1483         partition for the generated call.
1484         (generate_memcpy_builtin): Likewise.
1485         (classify_partition): Record the location of a single store
1486         as location for the partition.
1487
1488 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1489
1490         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1491         for lo-part.
1492
1493 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1494
1495         PR target/90588
1496         * common/config/aarch64/aarch64-common.c
1497         (aarch64_rewrite_selected_cpu): Change local temporary variable
1498         type from unsigned long to uint64_t.
1499         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1500         aarch64_get_extension_string_for_isa_flags): Change declaration to
1501         match new definition by replacing unsigned long with uint64_t.
1502
1503 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1504
1505         PR target/90568
1506         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1507         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1508         Handle stack_protect_test_<mode> codegen similarly to corresponding
1509         sub instruction.
1510
1511 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1512
1513        * config/i386/darwin.h: Reject -mfentry*.
1514        * doc/sourcebuild.texi: Document mfentry target support.
1515
1516 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1517
1518         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1519         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1520         false for PC-relative functions.
1521         (rs6000_output_function_prologue): Change called function name to
1522         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1523         name,1" for PC-relative functions.
1524         (rs6000_elf_declare_function_name): Change called function name to
1525         rs6000_global_entry_point_prologue_needed_p.
1526
1527 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1528
1529         PR target/90552
1530         * config/i386/i386.c (gen_rtx_cost):
1531         Use ix86_tune_cost instead of ix86_cost.
1532
1533 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1534             Michael Meissner  <meissner@linux.ibm.com>
1535             Segher Boessenkool  <segher@kernel.crashing.org>
1536
1537         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1538         OPTION_MASK_PCREL.
1539         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1540         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1541         (rs6000_fndecl_pcrel_p): Likewise.
1542         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1543         error if -mpcrel is requested without -mcpu=future.
1544         (rs6000_opt_masks): Add entry for pcrel.
1545         (rs6000_fndecl_pcrel_p): New function.
1546         (rs6000_pcrel_p): Likewise.
1547         * config/rs6000/rs6000.opt (mpcrel): New option.
1548         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1549
1550 2019-05-23  Jan Hubicka  <jh@suse.cz>
1551             Martin Liska  <mliska@suse.cz>
1552
1553         PR tree-optimization/90576
1554         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1555         poly_int_tree_p.
1556         (aliasing_component_refs_p): Fix three way size compare conditional;
1557         give up earlier in case we can not decide on equivalence.
1558
1559 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1560             Michael Meissner  <meissner@linux.ibm.com>
1561             Segher Boessenkool  <segher@kernel.crashing.org>
1562
1563         * config.gcc: Add future cpu.
1564         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1565         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1566         #define.
1567         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1568         (RS6000_CPU): New instantiation for future cpu.
1569         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1570         PROCESSOR_FUTURE.
1571         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1572         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1573         * config/rs6000/rs6000-tables.opt: Regenerate.
1574         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1575         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1576         (rs6000_machine_from_flags): Handle future cpu.
1577         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1578         PROCESSOR_POWER9 for now.
1579         (rs6000_adjust_cost): Likewise.
1580         (rs6000_issue_rate): Likewise.
1581         (rs6000_register_move_cost): Likewise.
1582         (rs6000_opt_masks): Add entry for future.
1583         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1584         (MASK_FUTURE): New #define.
1585         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1586         * config/rs6000/rs6000.opt (mfuture): New target option.
1587         * doc/invoke.texi (mcpu): Add future cpu.
1588
1589 2019-05-23  Martin Liska  <mliska@suse.cz>
1590
1591         PR c++/90587
1592         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1593         operation points to a temporary (pointed via tree_to_wide_ref)
1594         that is out of scope after the &.
1595
1596 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
1597
1598         PR c++/90592
1599         * doc/extend.texi (Function Names): Add missing word.
1600
1601 2019-05-23  Richard Biener  <rguenther@suse.de>
1602
1603         PR tree-optimization/88440
1604         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
1605         at -O[2s]+.
1606         * tree-loop-distribution.c (generate_memset_builtin): Fold the
1607         generated call.
1608         (generate_memcpy_builtin): Likewise.
1609         (distribute_loop): Pass in whether to only distribute patterns.
1610         (prepare_perfect_loop_nest): Also allow size optimization.
1611         (pass_loop_distribution::execute): When optimizing a loop
1612         nest for size allow pattern replacement.
1613
1614 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
1615
1616         PR target/90568
1617         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
1618         of xor.
1619
1620 2019-05-23  Martin Liska  <mliska@suse.cz>
1621
1622         PR sanitizer/90570
1623         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
1624         expression similarly to gimplify_decl_expr.
1625
1626 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1627
1628         * cse.c (cse_dump_path): s/dump_file/f.
1629
1630 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
1631
1632         PR c++/90462
1633         * diagnostic-format-json.cc: Include "selftest.h".
1634         (json_from_expanded_location): Only add "file" key for non-NULL
1635         file strings.
1636         (json_from_location_range): Don't add "start" and "finish"
1637         children if they are UNKNOWN_LOCATION.
1638         (selftest::test_unknown_location): New selftest.
1639         (selftest::test_bad_endpoints): New selftest.
1640         (selftest::diagnostic_format_json_cc_tests): New function.
1641         * json.cc (json::object::get): New function.
1642         (selftest::test_object_get): New selftest.
1643         (selftest::json_cc_tests): Call it.
1644         * json.h (json::object::get): New decl.
1645         * selftest-run-tests.c (selftest::run_tests): Call
1646         selftest::diagnostic_format_json_cc_tests.
1647         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
1648         decl.
1649
1650 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
1651             Andrew Stubbs  <amd@codesourcery.com>
1652
1653         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
1654         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
1655         (kernel): Rename to...
1656         (main_kernel): ... this.
1657         (load_image): Load _init_array and _fini_array kernels.
1658         (run): Add argument for kernel to run.
1659         (main): Run init_array_kernel before main_kernel, and
1660         fini_array_kernel after.
1661         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
1662         amdgpu_hsa_kernel attribute on functions.
1663         (gcn_disable_constructors): Delete.
1664         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
1665         * config/gcn/crt0.c (size_t): Define.
1666         (_init_array, _fini_array): New.
1667         (__preinit_array_start, __preinit_array_end,
1668         __init_array_start, __init_array_end,
1669         __fini_array_start, __fini_array_end): Declare weak references.
1670
1671 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
1672
1673         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
1674
1675 2019-05-22  Jason Merrill  <jason@redhat.com>
1676
1677         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1678
1679 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1680
1681         PR target/88483
1682         * config/i386/i386-options.c (ix86_init_machine_status): Set
1683         stack_frame_required to true.
1684         * config/i386/i386.c (ix86_get_frame_size): New function.
1685         (ix86_frame_pointer_required): Replace get_frame_size with
1686         ix86_get_frame_size.
1687         (ix86_compute_frame_layout): Likewise.
1688         (ix86_find_max_used_stack_alignment): Changed to void.  Set
1689         stack_frame_required.
1690         (ix86_finalize_stack_frame_flags): Always call
1691         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1692         ix86_get_frame_size.
1693         * config/i386/i386.h (machine_function): Add stack_frame_required.
1694
1695 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1696
1697         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1698
1699 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1700
1701         * common/config/aarch64/aarch64-common.c
1702         (struct aarch64_option_extension, struct processor_name_to_arch,
1703         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1704         aarch64_contains_opt,
1705         aarch64_get_extension_string_for_isa_flags): Change type of
1706         variables storing flags to uint64_t.
1707         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1708         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1709         * config/aarch64/aarch64.c (struct processor,
1710         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1711         aarch64_validate_march, aarch64_override_options,
1712         aarch64_option_print, aarch64_handle_attr_isa_flags,
1713         aarch64_declare_function_name, aarch64_start_file): Make flag
1714         variables uint64_t.
1715         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1716         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1717         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1718         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1719         * config/aarch64/driver-aarch64.c
1720         (struct aarch64_arch_extension, struct aarch64_core_data,
1721         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1722         flag variables uint64_t.
1723         * doc/invoke.texi: Add documentation for new arguments.
1724
1725 2019-05-22  Richard Biener  <rguenther@suse.de>
1726
1727         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1728         rewrite ...
1729         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1730
1731 2019-05-22  Martin Liska  <mliska@suse.cz>
1732
1733         PR lto/90500
1734         * doc/extend.texi: Document the change.
1735
1736 2019-05-22  Richard Biener  <rguenther@suse.de>
1737
1738         PR tree-optimization/90450
1739         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1740         (mem_ref_hasher::equal): Check it.
1741         (mem_ref_alloc): Initialize it.
1742         (gather_mem_refs_stmt): Set it.
1743
1744 2019-05-22  Richard Biener  <rguenther@suse.de>
1745
1746         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1747         Add ABS_EXPR.
1748         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1749         as ABSU_EXPR.
1750
1751 2019-05-22  Alan Modra  <amodra@gmail.com>
1752
1753         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1754         (ASM_CPU_SPEC): Conditionally add -many.
1755         * config/rs6000/rs6000.c (rs6000_machine): New static var.
1756         (rs6000_machine_from_flags, emit_asm_machine): New functions..
1757         (rs6000_file_start): ..extracted from here, and modified to
1758         test all ISA bits.
1759         (rs6000_output_function_prologue): Emit .machine as necessary.
1760         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1761         power mnemonics.
1762         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1763         added by check_vect_support_and_set_flags.
1764         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1765         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1766
1767 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
1768
1769         PR middle-end/90553
1770         * ira-lives.c (process_bb_node_lives): Consider defs
1771         for a call insn to be die before the call, not after.
1772
1773         * function.c (assign_parm_setup_block): Raise alignment of
1774         stacked parameter only for STRICT_ALIGNMENT targets.
1775
1776 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1777
1778         * config/rs6000/constraints.md (define_register_constraint "wz"):
1779         Delete.
1780         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1781         RS6000_CONSTRAINT_wz.
1782         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1783         (rs6000_init_hard_regno_mode_ok): Adjust.
1784         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1785         * doc/md.texi (Machine Constraints): Adjust.
1786
1787 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1788
1789         * config/rs6000/constraints.md (define_register_constraint "wl"):
1790         Delete.
1791         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1792         RS6000_CONSTRAINT_wl.
1793         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1794         (rs6000_init_hard_regno_mode_ok): Adjust.
1795         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1796         * doc/md.texi (Machine Constraints): Adjust.
1797
1798 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1799
1800         * config/rs6000/constraints.md (define_register_constraint "wm"):
1801         Delete.
1802         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1803         RS6000_CONSTRAINT_wm.
1804         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1805         (rs6000_init_hard_regno_mode_ok): Adjust.
1806         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1807         * doc/md.texi (Machine Constraints): Adjust.
1808
1809 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1810
1811         * config/rs6000/constraints.md (define_register_constraint "wk"):
1812         Delete.
1813         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1814         RS6000_CONSTRAINT_wk.
1815         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1816         (rs6000_init_hard_regno_mode_ok): Adjust.
1817         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1818         * doc/md.texi (Machine Constraints): Adjust.
1819
1820 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1821
1822         * config/rs6000/constraints.md (define_register_constraint "wj"):
1823         Delete.
1824         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1825         RS6000_CONSTRAINT_wj.
1826         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1827         (rs6000_init_hard_regno_mode_ok): Adjust.
1828         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1829         (VS_64dm): Delete.
1830         * config/rs6000/vsx.md: Ditto.
1831         * doc/md.texi (Machine Constraints): Adjust.
1832
1833 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1834
1835         * config/rs6000/constraints.md (define_register_constraint "wh"):
1836         Delete.
1837         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1838         RS6000_CONSTRAINT_wh.
1839         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1840         (rs6000_init_hard_regno_mode_ok): Adjust.
1841         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1842         * doc/md.texi (Machine Constraints): Adjust.
1843
1844 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1845
1846         PR target/90547
1847         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1848         Avoid calling gen_lowpart with CONST operand.
1849
1850 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1851
1852         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1853         field template_last_to_copy.
1854         (ssa_create_duplicates): Set it, and use it.  Attempt to
1855         preserve more debug stmts.
1856
1857 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1858
1859         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1860         (signbit<mode>2): New expander
1861
1862 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1863
1864         PR bootstrap/87338
1865         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1866         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1867
1868 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1869
1870         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1871         %ebx and %ecx bafore calling cpuid with leaf 1 or
1872         non-constant leaf argument.
1873
1874 2019-05-21  Alan Modra  <amodra@gmail.com>
1875
1876         PR target/90545
1877         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1878         power9 direct move cost.
1879         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1880         Correct comments and rename functions to suit parameters.
1881
1882 2019-05-21  Richard Biener  <rguenther@suse.de>
1883
1884         PR middle-end/90510
1885         * fold-const.c (fold_read_from_vector): New function.
1886         * fold-const.h (fold_read_from_vector): Declare.
1887         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1888         single-element insert permutations.  Canonicalize selector
1889         further and fix issue with last commit.
1890
1891 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1892
1893         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1894         parameter with default value false to declaration.
1895         (split_edges_for_insertion): New inline function.  Wrapper for
1896         split_critical_edges with for_edge_insertion_p = true.
1897         * tree-cfg.c (split_critical_edges): Don't split non-critical
1898         edges if for_edge_insertion_p is false.  Fix whitespace.
1899         * tree-ssa-pre.c (pass_pre::execute): Call
1900         split_edges_for_insertion instead of split_critical_edges.
1901         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1902         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1903         (pass_data_sink_code): Update function name in the comment.
1904
1905 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1906
1907         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1908         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1909         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1910         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1911         positives.
1912
1913 2019-05-21  Martin Liska  <mliska@suse.cz>
1914
1915         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1916         an extra newline.
1917         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1918         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1919         vec_lvsr.
1920         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1921         Quote a C type.
1922         (rs6000_function_arg): Likewise.
1923         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1924         (rs6000_expand_ternop_builtin): Use interval syntax.
1925         (get_element_number): Likewise.
1926         (altivec_expand_builtin): Likewise.
1927         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1928
1929 Fix test-suite.
1930
1931 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1932
1933         PR c++/59813
1934         PR target/90418
1935         * function.h (struct function): Add calls_eh_return member.
1936         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1937         gimplifying __builtin_eh_return call.
1938         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1939         to cfun.
1940         (expand_call_inline): Or in src_cfun->calls_eh_return into
1941         dst_cfun->calls_eh_return.
1942         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1943         cfun->calls_eh_return.
1944         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1945         * lto-streamer-out.c (output_struct_function_base): Write
1946         calls_eh_return.
1947
1948 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1949
1950         PR rtl-optimization/43147
1951         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1952         IX86_BUILTIN_SHUFPD.
1953
1954 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1955
1956         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1957         (refs_may_alias_p_1): ... here; update stats.
1958         (refs_may_alias_p): Do not update stats here.
1959
1960 2019-05-20  Richard Biener  <rguenther@suse.de>
1961
1962         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1963         doesn't produce pointers.
1964         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1965         the first operand points to.
1966
1967 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1968
1969         * tree-ssa-alias.c (compare_sizes): New function.
1970         (sompare_type_sizes): New function
1971         (aliasing_component_refs_p): Use it.
1972         (indirect_ref_may_alias_decl_p): Likewise.
1973
1974 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1975
1976         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1977
1978 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1979
1980         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1981         (LIBLSAN_EARLY_SPEC): Likewise.
1982         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1983
1984 2019-05-20  Martin Liska  <mliska@suse.cz>
1985
1986         * config/i386/i386.c (ix86_libc_has_fast_function):
1987         Add ATTRIBUTE_UNUSED for the argument.
1988
1989 2019-05-20  Richard Biener  <rguenther@suse.de>
1990
1991         * gimple-match-head.c: Include vec-perm-indices.h.
1992         * generic-match-head.c: Likewise.
1993         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1994         is included.
1995         * fold-const.c (fold_vec_perm): Export.
1996         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1997         (match.pd): ...here.
1998
1999 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2000
2001         * cfgloop.h (struct loop): Add simdlen member.
2002         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2003         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2004         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2005         as new argument to autovectorize_vector_sizes target hook.  If
2006         loop->simdlen, pick up vector size where the vectorization factor
2007         is equal to loop->simd, and if there is none, fall back to the first
2008         successful one.
2009         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2010         caller.
2011         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2012         * omp-general.c (omp_max_vf): Likewise.
2013         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2014         * tree-vect-slp.c (vect_slp_bb): Likewise.
2015         * target.def (autovectorize_vector_sizes): Add ALL argument and
2016         document it.
2017         * doc/tm.texi: Adjust documentation.
2018         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2019         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2020         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2021         bool argument.
2022         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2023         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2024         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2025         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2026         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2027         preferred vector size is not 512-bit or 256-bit, just put those
2028         unpreferred ones last.
2029
2030 2019-05-20  Martin Liska  <mliska@suse.cz>
2031
2032         * targhooks.c (default_libc_has_fast_function): New function.
2033         * targhooks.h (default_libc_has_fast_function): Likewise.
2034
2035 2019-05-20  Martin Liska  <mliska@suse.cz>
2036
2037         PR middle-end/90263
2038         * builtins.c (expand_builtin_memory_copy_args): When having a
2039         target with fast mempcpy implementation do now use memcpy.
2040         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2041         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2042         * doc/tm.texi: Likewise.
2043         * doc/tm.texi.in: Likewise.
2044         * target.def:
2045         * expr.c (emit_block_move_hints): Add 2 new arguments.
2046         * expr.h (emit_block_move_hints): Bail out when libcall
2047         to memcpy would be used.
2048
2049 2019-05-20  Martin Liska  <mliska@suse.cz>
2050
2051         * profile-count.c: Add vertical spacing in order
2052         to separate functions.
2053         * profile-count.h: Likewise.
2054
2055 2019-05-20  Martin Liska  <mliska@suse.cz>
2056
2057         * profile-count.h: Do not use full qualified
2058         names if possible.
2059         * profile-count.c (profile_count::to_frequency): Likewise.
2060
2061 2019-05-20  Martin Liska  <mliska@suse.cz>
2062
2063         * profile-count.h (enum profile_quality): Use capital letters
2064         for enum value names.  Use the adjusted names.
2065         * profile-count.c: Use the adjusted names.
2066
2067 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2068
2069         * config/rs6000/constraints.md (define_register_constraint "wH"):
2070         Delete.
2071         (define_register_constraint "wI"): Delete.
2072         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2073         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2074         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2075         (rs6000_init_hard_regno_mode_ok): Adjust.
2076         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2077         resp. "d", or with "wa" as appropriate, all with "p8v".
2078         * config/rs6000/vsx.md: Ditto.
2079         * doc/md.texi (Machine Constraints): Adjust.
2080
2081 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2082
2083         * config/rs6000/constraints.md (define_register_constraint "wy"):
2084         Delete.
2085         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2086         RS6000_CONSTRAINT_wy.
2087         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2088         (rs6000_init_hard_regno_mode_ok): Adjust.
2089         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2090         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2091         (define_mode_attr Fisa): New.
2092         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2093         * doc/md.texi (Machine Constraints): Adjust.
2094
2095 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2096
2097         * config/rs6000/constraints.md (define_register_constraint "wu"):
2098         Delete.
2099         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2100         RS6000_CONSTRAINT_wu.
2101         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2102         (rs6000_init_hard_regno_mode_ok): Adjust.
2103         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2104         both with "p8v".
2105         (define_mode_attr Fa): Delete.
2106         * config/rs6000/vsx.md: Ditto.
2107         * doc/md.texi (Machine Constraints): Adjust.
2108
2109 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2110
2111         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2112         Delete.
2113         (define_register_constraint "wK"): Delete.
2114         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2115         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2116         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2117         (rs6000_init_hard_regno_mode_ok): Adjust.
2118         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2119         Replace "wK" constraint by "wH" with "p9v".
2120         * config/rs6000/vsx.md: Ditto.
2121         * doc/md.texi (Machine Constraints): Adjust.
2122
2123 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2124
2125         * config/rs6000/constraints.md (define_register_constraint "wb"):
2126         Delete.
2127         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2128         RS6000_CONSTRAINT_wb.
2129         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2130         (rs6000_init_hard_regno_mode_ok): Adjust.
2131         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2132         * config/rs6000/vsx.md: Ditto.
2133         * doc/md.texi (Machine Constraints): Adjust.
2134
2135 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2136
2137         * config/rs6000/constraints.md (define_register_constraint "wo"):
2138         Delete.
2139         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2140         RS6000_CONSTRAINT_wo.
2141         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2142         (rs6000_init_hard_regno_mode_ok): Adjust.
2143         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2144         * config/rs6000/altivec.md: Ditto.
2145         * doc/md.texi (Machine Constraints): Adjust.
2146
2147 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2148
2149         * config/darwin-c.c (darwin_register_objc_includes): Do not
2150         prepend the sysroot when building gnu-runtime header search
2151         paths.
2152
2153 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2154
2155         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2156         instead of direct output of the asm.
2157
2158 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2159
2160         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2161         argument to be type bool (was int before).
2162         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2163         at first use.  Use type bool for some variables.  Fix a theoretical
2164         eh_return bug for svr4.
2165
2166 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2167
2168         * config/rs6000/rs6000.md (isa): New attribute.
2169         (enabled): New attribute.
2170
2171 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2172
2173         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2174         assemble_start_function and assemble_end_function.
2175
2176 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2177
2178         PR middle-end/89433
2179         * omp-general.c (oacc_verify_routine_clauses): Change formal
2180         parameters.  Add checking if already marked with an OpenACC
2181         'routine' directive.  Adjust all users.
2182
2183         PR middle-end/89433
2184         * omp-general.c (oacc_build_routine_dims): Move some of its
2185         processing into...
2186         (oacc_verify_routine_clauses): ... this new function.
2187         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2188
2189 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2190
2191         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2192         formating of picbase labels to match other ports.
2193
2194 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2195
2196         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2197         in the generated code.
2198
2199 2019-05-16  Martin Sebor  <msebor@redhat.com>
2200
2201         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2202         identifiers, keywords, operators, and types in diagnostics.  Correct
2203         quoting, spelling, and sentence capitalization issues.
2204         (expand_builtin_atomic_is_lock_free): Same.
2205         (fold_builtin_next_arg): Same.
2206         * cfgexpand.c (expand_one_var): Same.
2207         (tree_conflicts_with_clobbers_p): Same.
2208         (expand_asm_stmt): Same.
2209         (verify_loop_structure): Same.
2210         * cgraphunit.c (process_function_and_variable_attributes): Same.
2211         * collect-utils.c (collect_execute): Same.
2212         * collect2.c (maybe_run_lto_and_relink): Same.
2213         (is_lto_object_file): Same.
2214         (scan_prog_file): Same.
2215         * convert.c (convert_to_real_1): Same.
2216         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2217         * except.c (verify_eh_tree): Same.
2218         * gcc.c (execute): Same.
2219         (eval_spec_function): Same.
2220         (run_attempt): Same.
2221         (driver::set_up_specs): Same.
2222         (compare_debug_auxbase_opt_spec_function): Same.
2223         * gcov-tool.c (unlink_gcda_file): Same.
2224         (do_merge): Same.
2225         (do_rewrite): Same.
2226         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2227         * gimplify.c (gimplify_asm_expr): Same.
2228         (gimplify_adjust_omp_clauses): Same.
2229         * hsa-gen.c (gen_hsa_addr_insns): Same.
2230         (gen_hsa_insns_for_load): Same.
2231         (gen_hsa_cmp_insn_from_gimple): Same.
2232         (gen_hsa_insns_for_operation_assignment): Same.
2233         (gen_get_level): Same.
2234         (gen_hsa_alloca): Same.
2235         (omp_simple_builtin::generate): Same.
2236         (gen_hsa_atomic_for_builtin): Same.
2237         (gen_hsa_insns_for_call): Same.
2238         * input.c (dump_location_info): Same.
2239         * ipa-devirt.c (compare_virtual_tables): Same.
2240         * ira.c (ira_setup_eliminable_regset): Same.
2241         * lra-assigns.c (lra_assign): Same.
2242         * lra-constraints.c (lra_constraints): Same.
2243         * lto-streamer-in.c (lto_input_mode_table): Same.
2244         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2245         (merge_and_complain): Same.
2246         (compile_offload_image): Same.
2247         (compile_images_for_offload_targets): Same.
2248         (debug_objcopy): Same.
2249         (run_gcc): Same.
2250         (main): Same.
2251         * opts.c (print_specific_help): Same.
2252         (parse_no_sanitize_attribute): Same.
2253         (print_help): Same.
2254         (handle_param): Same.
2255         * plugin.c (add_new_plugin): Same.
2256         (parse_plugin_arg_opt): Same.
2257         (try_init_one_plugin): Same.
2258         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2259         operators, and types in diagnostics.  Correct quoting and spelling
2260         issues.
2261         * read-rtl-function.c (parse_edge_flag_token): Same.
2262         (function_reader::parse_enum_value): Same.
2263         * reg-stack.c (check_asm_stack_operands): Same.
2264         * regcprop.c (validate_value_data): Same.
2265         * sched-rgn.c (make_pass_sched_fusion): Same.
2266         * stmt.c (check_unique_operand_names): Same.
2267         * targhooks.c (default_target_option_pragma_parse): Same.
2268         * tlink.c (recompile_files): Same.
2269         * toplev.c (process_options): Same.
2270         (do_compile): Same.
2271         * trans-mem.c (diagnose_tm_1): Same.
2272         (ipa_tm_scan_irr_block): Same.
2273         (ipa_tm_diagnose_transaction): Same.
2274         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2275         format a tree code name in a diagnostic.
2276         (verify_types_in_gimple_min_lval): Same.
2277         (verify_types_in_gimple_reference): Same.
2278         (verify_gimple_call): Same.
2279         (verify_gimple_assign_unary): Same.
2280         (verify_gimple_assign_binary): Same.
2281         (verify_gimple_assign_ternary): Same.
2282         (verify_gimple_assign_single): Same.
2283         (verify_gimple_switch): Same.
2284         (verify_gimple_label): Same.
2285         (verify_gimple_phi): Same.
2286         (verify_gimple_in_seq): Same.
2287         (verify_eh_throw_stmt_node): Same.
2288         (collect_subblocks): Same.
2289         (gimple_verify_flow_info): Same.
2290         (do_warn_unused_result): Same.
2291         * tree-inline.c (expand_call_inline): Same.
2292         * tree-into-ssa.c (update_ssa): Same.
2293         * tree.c (tree_int_cst_elt_check_failed): Same.
2294         (tree_vec_elt_check_failed): Same.
2295         (omp_clause_operand_check_failed): Same.
2296         (verify_type_variant): Same.
2297         (verify_type): Same.
2298         * value-prof.c (verify_histograms): Same.
2299         * varasm.c (assemble_start_function): Same.
2300
2301 2019-05-16  Martin Sebor  <msebor@redhat.com>
2302
2303         * config/i386/i386-expand.c (get_element_number): Quote keywords
2304         and other internal names in diagnostics.  Adjust other diagnostic
2305         formatting issues noted by -Wformat-diag.
2306         * config/i386/i386-features.c
2307         (ix86_mangle_function_version_assembler_name): Same.
2308         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2309         * config/i386/i386.c (ix86_function_type_abi): Same.
2310         (ix86_function_ms_hook_prologue): Same.
2311         (classify_argument): Same.
2312         (ix86_expand_prologue): Same.
2313         (ix86_md_asm_adjust): Same.
2314         (ix86_memmodel_check): Same.
2315
2316 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2317
2318         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2319         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2320         and fpxx modes.
2321
2322 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2323
2324         PR target/90497
2325         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2326         intrinsics without SSE/SSE2/SSSE3.
2327         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2328         check.
2329         (*mmx_uavgv8qi3): Likewise.
2330
2331 2019-05-17  Richard Biener  <rguenther@suse.de>
2332
2333         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2334         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2335
2336 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2337
2338         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2339         vec_sldw insn pattern.
2340
2341 2019-05-17  Richard Biener  <rguenther@suse.de>
2342
2343         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2344
2345 2019-05-17  Martin Liska  <mliska@suse.cz>
2346
2347         PR driver/90496
2348         * toplev.c (output_stack_usage): With LTO and sanitizer it
2349         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2350         has no file location.
2351
2352 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2353
2354         PR c++/90484
2355         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2356         sz0 is equal to sz1, instead return false in that case.
2357
2358         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2359         has non-constant expression, force sctx.lane and use two
2360         argument IFN_GOMP_SIMD_LANE instead of single argument.
2361         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2362         two argument IFN_GOMP_SIMD_LANE without lhs.
2363         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2364         member.
2365         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2366         Define.
2367         (LOOP_REQUIRES_VERSIONING): Or in
2368         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2369         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2370         simd_if_cond.
2371         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2372         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2373         from simd if clause if needed.
2374
2375 2019-05-16  Richard Biener  <rguenther@suse.de>
2376
2377         * tree-affine.c (expr_to_aff_combination): New function split
2378         out from...
2379         (tree_to_aff_combination): ... here.
2380         (aff_combination_expand): Avoid building a GENERIC tree.
2381
2382 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2383
2384         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2385         assemble_start_function and assemble_end_function calls.
2386         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2387         assemble_start_function and assemble_end_function.
2388         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2389         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2390         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2391         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2392         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2393         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2394         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2395         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2396         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2397         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2398         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2399         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2400         Likewise.
2401         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2402         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2403         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2404         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2405         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2406         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2407         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2408         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2409         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2410         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2411         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2412         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2413         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2414         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2415         Likewise.
2416         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2417         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2418         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2419
2420 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2421
2422         * tree-ssa-alias.c (alias_stats): Add
2423         aliasing_component_refs_p_may_alias and
2424         aliasing_component_refs_p_no_alias.
2425         (dump_alias_stats): Print aliasing_component_refs_p stats.
2426         (aliasing_component_refs_p): Update stats.
2427
2428 2019-05-16  Martin Liska  <mliska@suse.cz>
2429
2430         PR lto/90500
2431         * multiple_target.c (expand_target_clones): Do not allow
2432         target_clones being used with a symbol that is an alias.
2433
2434 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2435
2436         PR tree-optimization/90394
2437         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2438         positives rather than ICE for cases where (code2 == NE_EXPR
2439         && code1 == BIT_AND_EXPR).
2440
2441 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2442
2443         PR fortran/90329
2444         * tree-core.h (struct tree_decl_common): Document
2445         decl_nonshareable_flag for PARM_DECLs.
2446         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2447         * calls.c (expand_call): Don't try tail call if caller
2448         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2449         passed on the stack and callee needs to pass any arguments on the
2450         stack.
2451         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2452         else if instead of series of mutually exclusive ifs.  Handle
2453         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2454         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2455
2456         * lto-streamer.h (LTO_major_version): Bump to 9.
2457
2458 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2459
2460         PR tree-optimization/90106
2461         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2462         new parameter as new internal function call, also move it to new
2463         basic block.
2464         (use_internal_fn): Pass internal function call to
2465         shrink_wrap_one_built_in_call_with_conds.
2466
2467 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2468
2469         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2470         max_vf to 1.
2471         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2472         safelen_int and set loop->dont_vectorize.
2473
2474 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2475
2476         PR target/89021
2477         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2478         SSE/SSE2/SSSE3.
2479         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2480         Likewise.
2481         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2482         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2483         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2484         is defined.
2485
2486 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2487
2488         PR target/89021
2489         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2490         define_insn_and_split to support SSE emulation.
2491         (*vec_extractv2sf_0): Likewise.
2492         (*vec_extractv2sf_1): Likewise.
2493         (*vec_extractv2si_0): Likewise.
2494         (*vec_extractv2si_1): Likewise.
2495         (*vec_extractv2si_zext_mem): Likewise.
2496         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2497         (vec_extractv2sf_1 splitter): Likewise.
2498         (vec_extractv2sfsf): Likewise.
2499         (vec_setv2si): Likewise.
2500         (vec_extractv2si_1 splitter): Likewise.
2501         (vec_extractv2sisi): Likewise.
2502         (vec_setv4hi): Likewise.
2503         (vec_extractv4hihi): Likewise.
2504         (vec_setv8qi): Likewise.
2505         (vec_extractv8qiqi): Likewise.
2506         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2507         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2508         (vec_extractv2sisi): Likewise.
2509         (vec_extractv4hihi): Likewise.
2510         (vec_extractv8qiqi): Likewise.
2511         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2512         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2513         (vec_initv2sisi): Likewise.
2514         (vec_initv4hihi): Likewise.
2515         (vec_initv8qiqi): Likewise.
2516         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2517         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2518         (vec_setv4hi): Likewise.
2519         (vec_setv8qi): Likewise.
2520
2521 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2522
2523         PR target/89021
2524         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2525         TARGET_MMX_WITH_SSE.
2526         (MMXMODE:*mov<mode>_internal): Likewise.
2527         (MMXMODE:movmisalign<mode>): Likewise.
2528
2529 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2530
2531         PR target/89021
2532         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2533         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2534         (sse2_cvtpd2pi): Ditto.
2535         (sse2_cvttpd2pi): Ditto.
2536         (*vec_concatv2sf_sse4_1): Ditto.
2537         (*vec_concatv2sf_sse): Ditto.
2538         (*vec_concatv2si_sse4_1): Ditto.
2539         (*vec_concatv2si): Ditto.
2540         (*vec_concatv4si_0): Ditto.
2541         (*vec_concatv2di_0): Ditto.
2542
2543 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2544
2545         PR target/89021
2546         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2547
2548 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2549
2550         PR target/89021
2551         * config/i386/sse.md (ssse3_palignrdi): Changed to
2552         define_insn_and_split to support SSE emulation.
2553
2554 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2555
2556         PR target/89021
2557         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2558
2559 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2560
2561         PR target/89021
2562         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2563         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2564         SSE emulation.
2565
2566 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2567
2568         PR target/89021
2569         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2570         or TARGET_MMX_WITH_SSE.
2571         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2572
2573 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2574
2575         PR target/89021
2576         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2577
2578 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2579
2580         PR target/89021
2581         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2582         Changed to define_insn_and_split to support SSE emulation.
2583
2584 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2585
2586         PR target/89021
2587         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2588         Changed to define_insn_and_split to support SSE emulation.
2589
2590 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2591
2592         PR target/89021
2593         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2594         (*mmx_<emms>): This.
2595         (mmx_<emms>): New expander.
2596
2597 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2598
2599         PR target/89021
2600         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
2601         support.
2602         (*sse2_umulv1siv1di3): Add SSE2 emulation.
2603
2604 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2605
2606         PR target/89021
2607         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
2608
2609 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2610
2611         PR target/89021
2612         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
2613
2614 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2615
2616         PR target/89021
2617         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
2618         TARGET_MMX_WITH_SSE.
2619         (*mmx_uavgv4hi3): Add SSE emulation.
2620
2621 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2622
2623         PR target/89021
2624         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
2625         and TARGET_MMX_WITH_SSE.
2626         (*mmx_uavgv8qi3): Add SSE emulation.
2627
2628 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2629
2630         PR target/89021
2631         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
2632         maskmovdqu for __MMX_WITH_SSE__.
2633
2634 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2635
2636         PR target/89021
2637         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
2638         TARGET_MMX and TARGET_MMX_WITH_SSE.
2639         (*mmx_umulv4hi3_highpart): Add SSE emulation.
2640
2641 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2642
2643         PR target/89021
2644         * config/i386/mmx.md (mmx_pmovmskb): Changed to
2645         define_insn_and_split to support SSE emulation.
2646
2647 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2648
2649         PR target/89021
2650         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
2651         and TARGET_MMX_WITH_SSE.
2652         (mmx_<code>v8qi3): Likewise.
2653         (smaxmin:<code>v4hi3): New.
2654         (umaxmin:<code>v8qi3): Likewise.
2655         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
2656         (umaxmin:*mmx_<code>v8qi3): Likewise.
2657
2658 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2659
2660         PR target/89021
2661         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
2662         TARGET_MMX_WITH_SSE.
2663         (*mmx_pinsrw): Add SSE emulation.
2664
2665 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2666
2667         PR target/89021
2668         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
2669
2670 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2671
2672         PR target/89021
2673         * config/i386/sse.md (sse_cvtpi2ps): Changed to
2674         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2675         SSE emulation.
2676
2677 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2678
2679         PR target/89021
2680         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
2681         (sse_cvttps2pi): Likewise.
2682
2683 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2684
2685         PR target/89021
2686         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
2687         TARGET_MMX_WITH_SSE.
2688         (mmx_pshufw_1): Add SSE emulation.
2689         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2690         TARGET_MMX_WITH_SSE to support SSE emulation.
2691
2692 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2693
2694         PR target/89021
2695         * config/i386/constraints.md (Yw): New constraint.
2696         * config/i386/mmx.md (*vec_dupv2si): Changed to
2697         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2698         support SSE emulation.
2699
2700 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2701
2702         PR target/89021
2703         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2704         TARGET_MMX_WITH_SSE.
2705         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2706         support.
2707         (mmx_gt<mode>3): Likewise.
2708
2709 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2710
2711         PR target/89021
2712         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2713         TARGET_MMX_WITH_SSE.  Add SSE support.
2714
2715 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2716
2717         PR target/89021
2718         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2719         TARGET_MMX_WITH_SSE.
2720         (any_logic:<code><mode>3): New.
2721         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2722         Add SSE support.
2723
2724 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2725
2726         PR target/89021
2727         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2728         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2729         (mmx_<shift_insn><mode>3): Likewise.
2730         (ashr<mode>3): New.
2731         (<shift_insn><mode>3): Likewise.
2732
2733 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2734
2735         PR target/89021
2736         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2737         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
2738
2739 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2740
2741         PR target/89021
2742         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2743         TARGET_MMX_WITH_SSE.
2744         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2745         SSE support.
2746
2747 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2748
2749         PR target/89021
2750         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2751         TARGET_MMX_WITH_SSE.
2752         (mulv4hi3): New.
2753         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2754         support.
2755
2756 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2757
2758         PR target/89021
2759         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2760         (plusminus:mmx_<plusminus_insn><mode>3): Check
2761         TARGET_MMX_WITH_SSE.
2762         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2763         (<plusminus_insn><mode>3): New.
2764         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2765         (*mmx_<plusminus_insn><mode>3): Likewise.
2766
2767 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2768
2769         PR target/89021
2770         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2771         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2772         prototype.
2773         * config/i386/mmx.m (mmx_punpckhbw): Changed to
2774         define_insn_and_split to support SSE emulation.
2775         (mmx_punpcklbw): Likewise.
2776         (mmx_punpckhwd): Likewise.
2777         (mmx_punpcklwd): Likewise.
2778         (mmx_punpckhdq): Likewise.
2779         (mmx_punpckldq): Likewise.
2780
2781 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2782             Uros Bizjak  <ubizjak@gmail.com>
2783
2784         PR target/89021
2785         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2786         New function.
2787         (ix86_split_mmx_pack): Likewise.
2788         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2789         New prototype.
2790         (ix86_split_mmx_pack): Likewise.
2791         * config/i386/i386.md (mmx_isa): New.
2792         (enabled): Also check mmx_isa.
2793         * config/i386/mmx.md (any_s_truncate): New code iterator.
2794         (s_trunsuffix): New code attr.
2795         (mmx_packsswb): Removed.
2796         (mmx_packssdw): Likewise.
2797         (mmx_packuswb): Likewise.
2798         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2799         MMX packsswb/packuswb with SSE2.
2800         (mmx_packssdw): Likewise.
2801         * config/i386/predicates.md (register_mmxmem_operand): New.
2802
2803 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2804
2805         PR target/89021
2806         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2807         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2808         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2809         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2810         (ix86_vector_mode_supported_p): Likewise.
2811         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2812
2813 2019-05-15  Martin Liska  <mliska@suse.cz>
2814
2815         PR middle-end/90478
2816         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2817         Check for overflow.
2818
2819 2019-05-15  Richard Biener  <rguenther@suse.de>
2820
2821         * tree-into-ssa.c (pass_build_ssa::execute): Run
2822         update_address_taken before going into SSA.
2823
2824 2019-05-15  Richard Biener  <rguenther@suse.de>
2825
2826         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2827         as __BIT_FIELD_REF with type with -gimple.
2828
2829 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2830
2831         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2832         semantically equivalent branches (left over after prior refactorings).
2833
2834 2019-05-15  Richard Biener  <rguenther@suse.de>
2835
2836         PR tree-optimization/88828
2837         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2838         bogus check.
2839
2840 2019-05-14  Richard Biener  <rguenther@suse.de>
2841
2842         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2843         as __VIEW_CONVERT with -gimple.
2844
2845 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2846
2847         PR target/82920
2848         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2849         Darwin.
2850
2851 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2852
2853         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2854         define_split to become a define_insn_and_split.
2855
2856 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2857
2858         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2859         arguments.
2860         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2861         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2862         (sibcall_epilogue): Adjust.
2863         (epilogue): Adjust.
2864
2865 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2866
2867         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2868         to unsupported ones.
2869         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2870         * config.host: Likewise.
2871         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2872         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2873         __svr4__]: Remove "brand" fallback.
2874         [!KSTAT_DATA_STRING]: Remove.
2875         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2876         to *-*-solaris2*.
2877         (comdat_group): Likewise.
2878         (set_have_as_tls): Likewise.
2879         (gcc_cv_target_dl_iterate_phdr): Likewise.
2880         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2881         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2882         * configure: Regenerate.
2883         * doc/install.texi: Simplify Solaris target triplets.
2884         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2885         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2886         Remove Solaris 10 references.
2887         Remove obsolete Solaris bug reference.
2888         (Specific, sparc-sun-solaris2.10): Remove.
2889
2890 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2891
2892         * config/i386/i386.md (any_div): New code iterator.
2893         (paired_mod): New code attribute.
2894         (sgnprefix): Handle DIV and UDIV RTXes.
2895         (u): Ditto.
2896         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2897         and udivmod<mode>4 patterns using any_div code iterator.
2898         (divmod splitters): Macroize splitters using any_div code iterator.
2899         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2900         (*udivmodsi4_pow2_zext_2): Ditto.
2901         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2902         and *udivmod<mode>4_noext patterns using any_div code iterator.
2903         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2904         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2905         patterns using any_div code iterator.
2906         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2907         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2908         patterns using any_div code iterator.
2909         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2910         udivmodhiqi3 patterns using any_extend code iterator.
2911
2912 2019-05-14  Richard Biener  <rguenther@suse.de>
2913             H.J. Lu  <hongjiu.lu@intel.com>
2914
2915         PR tree-optimization/88828
2916         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2917         permuting in a single non-constant element not extracted
2918         from a vector.
2919
2920 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2921
2922         * internal-fn.def (SIGNBIT): New.
2923         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2924         defined.
2925         (signbitv4sf2): Likewise.
2926
2927 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2928
2929         PR target/90357
2930         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2931         next insn when the SRC reg is dead.
2932
2933 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2934
2935         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2936         (alloc_cand_and_find_basis): Ditto.
2937         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2938         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2939         (create_add_imm_cand, slsr_process_cast): Ditto.
2940         (slsr_process_copy, replace_mult_candidate): Ditto.
2941         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2942         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2943         (pass_strength_reduction::execute): Init the first NULL element.
2944
2945 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2946
2947         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2948         (run_attempt): Reformat line break.
2949
2950 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2951
2952         PR target/90418
2953         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2954         data registers in sibcall epilogues.
2955         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2956
2957 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2958
2959         PR target/89221
2960         * configure.ac (--enable-frame-pointer):
2961         Disable by default for cygwin and mingw.
2962         * configure: Regenerate.
2963
2964 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2965
2966         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2967         piece of code.
2968         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2969         (gen_member_die): Move abstract origin check earlier.  Only VARs
2970         can be static_inline_p.  Simplify splicing control flow.
2971
2972 2019-05-13  Richard Biener  <rguenther@suse.de>
2973
2974         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2975         VIEW_CONVERT_EXPR.
2976         (vect_build_slp_tree_1): Likewise.
2977
2978 2019-05-13  Richard Biener  <rguenther@suse.de>
2979
2980         PR tree-optimization/90402
2981         * tree-if-conv.c (tree_if_conversion): Value number only
2982         the loop body by making the latch an exit of the region
2983         as well.
2984         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2985         processing PHIs.
2986         (do_rpo_vn): Deal with multiple edges into the entry block
2987         that are not backedges inside the region by skipping PHIs
2988         of the entry block.
2989
2990 2019-05-13  Richard Biener  <rguenther@suse.de>
2991
2992         PR tree-optimization/90316
2993         * tree-ssa-pre.c (insert_aux): Fold into ...
2994         (insert): ... this function.  Use a RPO walk to reduce the
2995         number of required iterations.
2996
2997 2019-05-13  Martin Liska  <mliska@suse.cz>
2998
2999         PR tree-optimization/90416
3000         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3001         string instead of passing the second part as va_arg argument.
3002
3003 2019-05-13  Martin Liska  <mliska@suse.cz>
3004
3005         PR gcov-profile/90380
3006         * gcov.c (handle_cycle): Do not support zero cycle count,
3007         it should not be possible.
3008         (path_contains_zero_cycle_arc): New function.
3009         (circuit): Ignore zero cycle arc counts.
3010
3011 2019-05-13  Martin Liska  <mliska@suse.cz>
3012
3013         PR gcov-profile/90380
3014         * gcov.c (enum loop_type): Remove the enum and
3015         the operator.
3016         (handle_cycle): Assert that we should not reach
3017         a negative count.
3018         (circuit): Use loop_found instead of a tri-state loop_type.
3019         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3020         happen.
3021
3022 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3023
3024         PR target/82920
3025         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3026         (ix86_output_indirect_branch_via_reg): Use output mechanism
3027         accounting for __USER_LABEL_PREFIX__.
3028         (ix86_output_indirect_branch_via_push): Likewise.
3029         (ix86_output_function_return): Likewise.
3030         (ix86_output_indirect_function_return): Likewise.
3031
3032 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3033
3034         * doc/md.texi: Document use of code attributes in rtx patterns.
3035         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3036         * read-rtl.c (find_code): Split out search loops into...
3037         (maybe_find_code): ...this new function.
3038         (check_code_iterator): Make the error message more informative.
3039         (check_code_attribute): New function.
3040         (rtx_reader::rtx_alloc_for_name): Likewise.
3041         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3042         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3043         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3044         <max_opp> directly as an rtx code instead of via a match_operator.
3045         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3046         (<su>abd<mode>_3): Update accordingly.
3047
3048 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3049
3050         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3051         is given, print the state of the EH "save world" computation for
3052         Darwin.
3053
3054 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3055
3056         PR c++/59813
3057         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3058         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3059
3060 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3061
3062         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3063         Use pinsrd for TARGET_SSE4_1.
3064         * config/i386/sse.md (movdi_to_sse): Ditto.
3065
3066 2019-05-10  Richard Biener  <rguenther@suse.de>
3067
3068         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3069         (do_rpo_vn): Initialize next_value_id.
3070
3071 2019-05-10  Martin Liska  <mliska@suse.cz>
3072
3073         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3074         Fix plural form.
3075
3076 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR tree-optimization/90385
3079         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3080         arguments of the exit phis.
3081
3082         PR c++/90383
3083         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3084         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3085         id->do_not_fold.
3086         (copy_tree_body_r): Likewise.
3087         (copy_fn): Set id.do_not_fold to true.
3088
3089 2019-05-10  Martin Liska  <mliska@suse.cz>
3090
3091         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3092         Reapply changes from r269790.
3093
3094 2019-05-10  Martin Liska  <mliska@suse.cz>
3095
3096         PR middle-end/90340
3097         * doc/invoke.texi: New params.
3098         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3099         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3100         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3101         Use it.
3102         * tree-switch-conversion.h (struct jump_table_cluster):
3103         Likewise.
3104
3105 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3106
3107         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3108
3109 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3110
3111         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3112
3113 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3114
3115         PR rtl-optimization/88879
3116         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3117
3118 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3119
3120         PR target/90405
3121         * config/arm/arm.c (callee_saved_reg_p): Move before
3122         thumb_find_work_register.
3123         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3124         thumb_find_work_register.  Only call df_get_live_out once.
3125         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3126         (thumb_find_work_register): Use
3127         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3128         algorithms to locate a spare call clobbered reg.
3129
3130 2019-05-09  Martin Liska  <mliska@suse.cz>
3131
3132         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3133         and MAX_EXPR in GIMPLE FE format.
3134
3135 2019-05-09  Martin Liska  <mliska@suse.cz>
3136
3137         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3138         * gimple-pretty-print.c (dump_gimple_bb_header):
3139         Dump BB count.
3140         (pp_cfg_jump): Dump edge probability.
3141         * profile-count.c (profile_quality_as_string): Simplify
3142         with a static array.
3143         (parse_profile_quality): New function.
3144         (profile_count::dump): Simplify with a static array.
3145         (profile_count::from_gcov_type): Add new argument.
3146         * profile-count.h (parse_profile_quality): Likewise.
3147         * predict.h (set_hot_bb_threshold): New.
3148         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3149         New param.
3150         * predict.c (get_hot_bb_threshold): Set from the new param.
3151         (set_hot_bb_threshold): New.
3152
3153 2019-05-09  Richard Biener  <rguenther@suse.de>
3154
3155         PR tree-optimization/90395
3156         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3157         rewrite vector stores that throw internally.
3158
3159 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3160
3161         * cif-code.def (CHKP): Remove.
3162
3163         PR target/89221
3164         * configure.ac (--enable-frame-pointer): Disable by default for
3165         GNU systems.
3166         * configure: Regenerate.
3167
3168 2019-05-09  Alan Modra  <amodra@gmail.com>
3169
3170         PR target/89271
3171         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3172         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3173         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3174         cost for general <-> vsx when direct moves are available.
3175         Cost union classes at minimal cost for any reg in the class.
3176         Correct calculation for moves between vsx, float, and altivec.
3177         Don't return a low cost for moves between special regs.  Don't
3178         use hard coded register numbers.
3179         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3180         (rs6000_ira_change_pseudo_allocno_class): New function.
3181         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3182         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3183         alternatives.
3184         (movsi_internal1): Don't disparage vector alternatives.
3185         (mov<mode>_internal): Likewise, excepting alternative that
3186         will be split.
3187         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3188         we <- b alternative.
3189
3190 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3191
3192         PR c++/59813
3193         PR tree-optimization/89060
3194         * tree-ssa-live.h (live_vars_map): New typedef.
3195         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3196         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3197         (struct compute_live_vars_data): New type.
3198         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3199         live_vars_at_stmt, destroy_live_vars): New functions.
3200         * tree-tailcall.c: Include tree-ssa-live.h.
3201         (live_vars, live_vars_vec): New global variables.
3202         (find_tail_calls): Perform variable life analysis before punting.
3203         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3204         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3205         member.
3206         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3207         Perform variable life analysis to select variables that really need
3208         clobbers added.
3209         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3210         instead set id->eh_landing_pad_dest and assert it is the same.
3211         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3212
3213 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3214             Richard Earnshaw  <rearnsha@arm.com>
3215
3216         PR target/88167
3217         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3218         function.
3219         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3220         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3221         register if both the epilogue and prologue can use call-clobbered
3222         regs.
3223         (thumb1_unexpanded_epilogue): Use
3224         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3225         picking temporaries for restoring high regs to match that of the
3226         prologue where possible.
3227         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3228         the list of work registers.  Detect if the return address is still live
3229         at the end of the prologue and avoid using it for a work register if so.
3230         If the return address is not live, add LR to the list of pushable regs
3231         after the first pass.
3232
3233 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3234
3235         PR tree-optimization/90078
3236         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3237         (INFTY): Increase the value for infinite cost.
3238         (struct comp_cost): Promote type of members to int64_t.
3239         (infinite_cost): Don't set complexity in initialization.
3240         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3241         overflows to infinite_cost.
3242         (adjust_setup_cost): Promote type of parameter and cost computation
3243         to int64_t.
3244         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3245         int64_t.
3246         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3247         cost computation to int64_t.
3248         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3249         int64_t's format specifier in dump.
3250
3251 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3252
3253         PR tree-optimization/90240
3254         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3255         with respect to scaling factor pre-computed for each basic block.
3256         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3257         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3258         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3259         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3260         live range for array of loop's basic blocks.  Cleanup aux field of
3261         loop's basic blocks.
3262
3263 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3264
3265         PR tree-optimization/90356
3266         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3267
3268 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3269
3270         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3271         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3272         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3273         (ix86_handle_option): Handle -mavx512bf16.
3274         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3275         to extra_headers.
3276         * config/i386/avx512bf16vlintrin.h: New.
3277         * config/i386/avx512bf16intrin.h: New.
3278         * config/i386/cpuid.h (bit_AVX512BF16): New.
3279         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3280         * config/i386/i386-builtin-types.def: Add new types.
3281         * config/i386/i386-builtin.def: Add new builtins.
3282         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3283         __AVX512BF16__.
3284         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3285         (ix86_option_override_internal): Handle BF16.
3286         (ix86_valid_target_attribute_inner_p): Ditto.
3287         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3288         * config/i386/i386-builtin.c (enum processor_features): Add
3289         F_AVX512BF16.
3290         (static const _isa_names_table isa_names_table): Ditto.
3291         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3292         (PTA_AVX512BF16): Ditto.
3293         * config/i386/i386.opt: Add -mavx512bf16.
3294         * config/i386/immintrin.h: Include avx512bf16intrin.h
3295         and avx512bf16vlintrin.h.
3296         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3297         avx512f_cvtneps2bf16_<mode><mask_name>,
3298         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3299         * config/i386/subst.md (mask_half): Add new subst.
3300         * doc/invoke.texi: Document -mavx512bf16.
3301
3302 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3303
3304         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3305         Delete declaration.
3306         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3307         (rs6000_debug_legitimize_reload_address): Delete.
3308         (rs6000_legitimize_reload_address_ptr): Delete.
3309         (rs6000_option_override_internal): Adjust.
3310         (mem_operand_gpr): Adjust comment.
3311         (legitimate_lo_sum_address_p): Ditto.
3312         (rs6000_legitimize_reload_address): Delete.
3313         (rs6000_debug_legitimize_reload_address): Delete.
3314         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3315
3316 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3317
3318         PR target/89765
3319         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3320         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3321         to compute vector element selector for both constant and variable
3322         operands.
3323
3324 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3325
3326         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3327         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3328         ashrdi3_cvt using SWI48 mode iterator.
3329
3330 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3331
3332         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3333         (aarch64_<su>abd<mode>_3): Likewise.
3334         (*aarch64_<su>abd<mode>_3): New define_insn.
3335         (<sur>sad<vsi2qi>): New define_expand.
3336         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3337         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3338         (build_vect_cond_expr): Likewise.
3339
3340 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3341
3342         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3343         clobbers outside of accessible_reg_set.
3344         * config/i386/i386.c (ix86_conditional_register_usage):
3345         Disable register sets by clearing corresponding bits in
3346         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3347         call_used_regs and don't clear corresponding reg_names array members.
3348
3349 2019-05-07  Richard Biener  <rguenther@suse.de>
3350
3351         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3352         not specified still compute a comp_vectype for invariant
3353         compares.
3354
3355 2019-05-07  Richard Biener  <rguenther@suse.de>
3356
3357         PR tree-optimization/90316
3358         * tree-ssa-pre.c (translate_vuse_through_block): When
3359         same_valid is NULL do not bother to search for a virtual
3360         PHI continuation.
3361         (phi_translate_1): When operands changed we cannot keep
3362         the same value-number so do not bother to ask whether
3363         that's possible from translate_vuse_through_block.
3364
3365 2019-05-07  Martin Liska  <mliska@suse.cz>
3366
3367         * bitmap.c (bitmap_register): Come up with
3368         alloc_descriptor_max_uid and assign it for
3369         a new bitmap.
3370         (register_overhead): Use get_descriptor as
3371         a descriptor.
3372         (release_overhead): New.
3373         (bitmap_elem_to_freelist): Call it.
3374         (bitmap_elt_clear_from): Likewise.
3375         (bitmap_obstack_free): Likewise.
3376         (bitmap_move): Sensitively release memory.
3377         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3378         (bitmap_initialize): Initialize alloc_descriptor to zero.
3379         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3380
3381 2019-05-07  Richard Biener  <rguenther@suse.de>
3382
3383         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3384         we build a SLP node.  Remove max_size and limiting.
3385         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3386
3387 2019-05-07  Richard Biener  <rguenther@suse.de>
3388
3389         PR tree-optimization/90316
3390         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3391         limit by reference.
3392         (walk_non_aliased_vuses): Take walking limit argument.
3393         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3394         walking if it is reached instead of just counting.
3395         (get_continuation_for_phi): Likewise.
3396         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3397         limiting to the callback.
3398         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3399         (vn_reference_lookup_3): Likewise.
3400         (vn_reference_lookup_pieces): Likewise.
3401         (vn_reference_lookup): Likewise.
3402         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3403         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3404         (avail_exprs_stack::lookup_avail_expr): Likewise.
3405
3406 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3407
3408         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3409         for comparaible types in the second direction even if first one
3410         hits incomparable type.
3411
3412 2019-05-07  Richard Biener  <rguenther@suse.de>
3413
3414         PR lto/90369
3415         * lto-wrapper.c (debug_objcopy): Use the original filename
3416         including archive offset for the filename used for -save-temps.
3417
3418 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3419
3420         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3421         detection.
3422
3423 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3424             Hongtao Liu  <hongtao.liu@intel.com>
3425
3426         PR target/89750
3427         PR target/86444
3428         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3429         Modified, original implementation isn't correct.
3430
3431 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3432
3433         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3434         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3435         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3436         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3437         (FRAME_POINTER_REGNUM): Change numbering.
3438         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3439         (alt_reg_names): Adjust.
3440         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3441         fixed.
3442         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3443         (DWARF_FRAME_REGISTERS): Delete.
3444         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3445         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3446         Adjust.
3447         (REG_ALLOC_ORDER): Adjust.
3448         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3449         (REG_CLASS_CONTENTS): Adjust.
3450         (RETURN_ADDR_RTX): Change comment.
3451         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3452         instead of 67.
3453         (REGISTER_NAMES): Adjust.
3454         (ADDITIONAL_REGISTER_NAMES): Adjust.
3455         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3456
3457 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3458
3459         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3460         Delete.
3461         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3462         (DWARF_FRAME_REGISTERS): Adjust.
3463         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3464         Adjust.
3465         (REG_ALLOC_ORDER): Adjust.
3466         (enum reg_class): Delete SPR_REGS.
3467         (REG_CLASS_NAMES): Delete SPR_REGS.
3468         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3469         (REGISTER_NAMES): Adjust.
3470         (ADDITIONAL_REGISTER_NAMES): Adjust.
3471         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3472         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3473         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3474         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3475         (htm_spr_regno): Delete.
3476         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3477         argument.
3478         (rs6000_dbx_register_number): Adjust.
3479
3480 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3481
3482         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3483
3484 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3485
3486         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3487         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3488
3489 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3490
3491         PR tree-optimization/88709
3492         PR tree-optimization/90271
3493         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3494         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3495         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3496         variable.
3497         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3498         of the store merging group is larger than
3499         PARAM_STORE_MERGING_MAX_SIZE parameter.
3500         (split_group): Add bzero_first argument.  If set, always emit first
3501         the first store which must be = {} of the whole area and then for the
3502         rest of the stores consider all zero bytes as paddings.
3503         (imm_store_chain_info::output_merged_store): Check if first store
3504         is = {} of the whole area and if yes, determine which setting of
3505         bzero_first for split_group gives smaller number of stores.  Adjust
3506         split_group callers.
3507         (lhs_valid_for_store_merging_p): Allow decls.
3508         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3509         no elts.
3510         (pass_store_merging::process_store): Likewise.
3511
3512 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3513
3514         PR target/89424
3515         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3516         handling of V1TImode.
3517
3518 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3519
3520         PR target/89221
3521         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3522         and enable_frame_pointer ...
3523         * configure.ac: ... here.  Update help strings for
3524         --enable-frame-pointer.
3525         * configure: Regenerate.
3526         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3527         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3528         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3529         (USE_X86_64_FRAME_POINTER): Ditto.
3530
3531 2019-05-06  Martin Liska  <mliska@suse.cz>
3532
3533         * config.gcc: Append to target_gtfiles and fix indentation.
3534
3535 2019-05-06  Richard Biener  <rguenther@suse.de>
3536
3537         PR tree-optimization/90358
3538         * tree-vect-stmts.c (get_group_load_store_type): Properly
3539         detect unused upper half of load.
3540         (vectorizable_load): Likewise.
3541
3542 2019-05-06  Richard Biener  <rguenther@suse.de>
3543
3544         PR tree-optimization/88828
3545         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3546         (simplify_vector_constructor): ...here.  Handle constants in
3547         the constructor.
3548
3549 2019-05-06  Richard Biener  <rguenther@suse.de>
3550
3551         PR tree-optimization/90328
3552         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3553         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3554         is valid in the loop nest before using it.
3555         (initialize_data_dependence_relation): Adjust.
3556         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3557         loop as loop-nest to dr_may_alias_p.
3558
3559 2019-05-06  Richard Biener  <rguenther@suse.de>
3560
3561         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3562
3563 2019-05-06  Richard Biener  <rguenther@suse.de>
3564
3565         PR tree-optimization/90316
3566         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3567         compute target on demand.
3568         (get_continuation_for_phi): Remove code walking stmts to
3569         get to a target virtual operand which could end up being
3570         quadratic.
3571
3572 2019-05-06  Martin Liska  <mliska@suse.cz>
3573
3574         PR sanitizer/90312
3575         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3576         when -mabi is selected to a non-default version.
3577
3578 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3579             Martin Liska  <mliska@suse.cz>
3580
3581         * Makefile.in: Add lto-dump.texi.
3582         * cgraph.h: Add new functions get_visibility_string and
3583         get_symtab_type_string.
3584         * doc/gcc.texi: Include lto-dump section.
3585         * doc/lto-dump.texi: New file.
3586         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3587         (parse_dump_option): Factor out this function.
3588         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3589         (parse_dump_option): Export the function.
3590         * symtab.c (symtab_node::get_visibility_string): New function.
3591         (symtab_node::get_symtab_type_string): Likewise.
3592
3593 2019-05-06  Martin Liska  <mliska@suse.cz>
3594
3595         * config/i386/i386-builtins.c: New file.
3596         * config/i386/i386-builtins.h: New file.
3597         * config/i386/i386-expand.c: New file.
3598         * config/i386/i386-expand.h: New file.
3599         * config/i386/i386-features.c: New file.
3600         * config/i386/i386-features.h: New file.
3601         * config/i386/i386-options.c: New file.
3602         * config/i386/i386-options.h: New file.
3603         * config.gcc: Add new files into extra_objs and
3604         target_gtfiles.
3605         * config/i386/i386.c: Split content of the file
3606         into newly introduced files.
3607         * config/i386/i386.h: Declare common variables
3608         and macros.
3609         * config/i386/t-i386: Define dependencies for new files.
3610
3611 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
3612
3613         PR target/89400
3614         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
3615         Restrict 'all' variant to 32-bit configurations.
3616         (unaligned_loadhiu): Likewise.
3617         (unaligned_storehi): Likewise.
3618         (unaligned_storesi): Likewise.
3619         (unaligned_loadhis): Disable when compiling for thumb1.
3620
3621 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
3622
3623         PR tree-optimization/90269
3624         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
3625         Ignore clobbers.
3626
3627 2019-05-03  Martin Liska  <mliska@suse.cz>
3628
3629         * hash-map.h: Add is_empty function.
3630         * hash-set.h: Likewise.
3631         * hash-table.h: Likewise.
3632         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
3633         elements () == 0 (and similar usages).
3634         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
3635         * gimplify.c (gimplify_bind_expr): Likewise.
3636         (gimplify_switch_expr): Likewise.
3637         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
3638         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
3639         * postreload-gcse.c (dump_hash_table): Likewise.
3640         (gcse_after_reload_main): Likewise.
3641         * predict.c (combine_predictions_for_bb): Likewise.
3642         * tree-parloops.c (reduction_phi): Likewise.
3643         (separate_decls_in_region): Likewise.
3644         (transform_to_exit_first_loop): Likewise.
3645         (gen_parallel_loop): Likewise.
3646         (gather_scalar_reductions): Likewise.
3647         (try_create_reduction_list): Likewise.
3648         * var-tracking.c (dump_vars): Likewise.
3649         (emit_notes_for_changes): Likewise.
3650         (vt_emit_notes): Likewise.
3651
3652 2019-05-03  Richard Biener  <rguenther@suse.de>
3653
3654         PR tree-optimization/90316
3655         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
3656         before running VN.
3657
3658 2019-05-03  Richard Biener  <rguenther@suse.de>
3659
3660         * tree-vect-stmts.c (get_group_load_store_type): Avoid
3661         peeling for gaps by loading only lower halves of vectors
3662         if possible.
3663         (vectorizable_load): Likewise.
3664
3665 2019-05-03  Richard Biener  <rguenther@suse.de>
3666
3667         PR middle-end/89518
3668         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
3669
3670 2019-05-03  Richard Biener  <rguenther@suse.de>
3671
3672         PR middle-end/87314
3673         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
3674         Handle STRING_CST vs DECL or STRING_CST.
3675
3676 2019-05-03  Richard Biener  <rguenther@suse.de>
3677
3678         PR tree-optimization/88963
3679         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
3680         vector loads feeding only BIT_FIELD_REFs to component
3681         loads.  Rewrite stores fed by CONSTRUCTORs to component
3682         stores.
3683
3684 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
3685
3686         * opts.h (finish_options): Remove lang_mask argument.
3687         (print_help, help_option_argument): Declare.
3688         * opts.c (print_help): Remove forward declaration, no longer static.
3689         (finish_options): Remove lang_mask argument, don't call print_help
3690         here.
3691         * opts-global.c (decode_options): Adjust finish_option caller, call
3692         print_help here.
3693
3694         PR tree-optimization/90303
3695         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3696         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3697
3698 2019-05-03  Richard Biener  <rguenther@suse.de>
3699
3700         PR tree-optimization/89698
3701         * gimple-fold.c (canonicalize_constructor_val): Early out
3702         for constants, handle unfolded INTEGER_CSTs as they appear in
3703         C++ virtual table ctors.
3704
3705 2019-05-03  Richard Biener  <rguenther@suse.de>
3706
3707         * passes.c (execute_function_todo): Remove dead code.
3708
3709 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3710
3711         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3712         the internal register number, for any "real" register.
3713
3714 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3715
3716         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3717         correct numbers for TFHAR, TFIAR, TEXASR.
3718
3719 2019-05-02  Richard Biener  <rguenther@suse.de>
3720
3721         PR tree-optimization/89653
3722         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3723         update-address-taken before the pass.
3724         * passes.def (pass_tree_loop_init): Put comment before it.
3725
3726 2019-05-02  Richard Biener  <rguenther@suse.de>
3727
3728         PR tree-optimization/89509
3729         * tree-ssa-structalias.c (compute_dependence_clique): Look
3730         at the first subvar when determining whether it is restrict.
3731
3732 2019-05-02  Richard Biener  <rguenther@suse.de>
3733
3734         PR tree-optimization/90273
3735         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3736         useless debug stmts.
3737
3738 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3739
3740         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3741         ACLE branch.
3742         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3743         SVE ACLE branch.
3744         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3745         VEC_COND_EXPR be inserted to emulate a conditional internal function.
3746         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3747         (vectorizable_reduction): Use the functions above to vectorize in a
3748         fully masked loop codes that don't have a conditional internal
3749         function.
3750
3751 2019-05-02  Martin Liska  <mliska@suse.cz>
3752
3753         * cgraphclones.c: Call valid_attribute_p with 1 for
3754         target_clone.
3755         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3756         it's for target attribute.
3757         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3758         Add new boolean argument.
3759         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3760         Likewise.
3761         (ix86_valid_target_attribute_tree): Pass target_clone_attr
3762         to ix86_valid_target_attribute_inner_p.
3763         (ix86_valid_target_attribute_p): Pass flags argument to
3764         ix86_valid_target_attribute_inner_p.
3765         (get_builtin_code_for_version): Use 0 as it's target attribute.
3766
3767 2019-05-02  Martin Liska  <mliska@suse.cz>
3768
3769         * gcc.c (process_command): Add dummy file only
3770         if n_infiles == 0.
3771         * opts-global.c (decode_options): Pass lang_mask.
3772         * opts.c (print_help): New function.
3773         (finish_options): Print --help if help_option_argument
3774         is set.
3775         (common_handle_option): Factor out content of OPT__help_
3776         into print_help.
3777         * opts.h (finish_options): Add new argument.
3778
3779 2019-05-02  Martin Liska  <mliska@suse.cz>
3780
3781         PR target/88809
3782         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3783         With -minline-all-stringops use inline expansion using 4B loop.
3784         * doc/invoke.texi: Document the change of
3785         -minline-all-stringops.
3786
3787 2019-05-01  Jeff Law  <law@redhat.com>
3788
3789         PR tree-optimization/88797
3790         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3791         PHI feeds a conditional on the RHS of an assignment.
3792
3793 2019-04-30  Andrew Waterman  <andrew@sifive.com>
3794             Jim Wilson  <jimw@sifive.com>
3795
3796         * config/riscv/constraints.md (L): New.
3797         * config/riscv/predicates.md (lui_operand): New.
3798         (sfb_alu_operand): New.
3799         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3800         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3801         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3802         * config/riscv/risc.md (type): Add sfb_alu.
3803         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
3804         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
3805         (branch_zero<mode>): Delete.
3806         (mov<mode>cc): New.
3807         (mov<GPR:mode><X:mode>cc): Likewise.
3808         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
3809
3810 2019-04-30  Nathan Sidwell  <nathan@acm.org>
3811
3812         * tree.h (MARK_TS_EXP): New.
3813
3814 2019-04-30  Martin Liska  <mliska@suse.cz>
3815
3816         * opts.c (enable_warning_as_error): Provide hints
3817         for unknown options.
3818
3819 2019-04-30  Martin Liska  <mliska@suse.cz>
3820
3821         PR debug/90288
3822         * doc/invoke.texi: Add missing dash for gas-locview-support
3823         and gno-as-locview-support.
3824
3825 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3826
3827         PR target/89093
3828         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3829         whitespace at the start of target attribute string.
3830
3831 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3832
3833         PR target/86538
3834         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3835         Define __ARM_FEATURE_ATOMICS.
3836
3837 2019-04-30  Martin Liska  <mliska@suse.cz>
3838
3839         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3840         into built_in_function enum. Remove code for endp == 2 and
3841         use BUILT_IN_* constants.
3842         (gimple_fold_builtin): Call the function with fcode.
3843
3844 2019-04-30  Martin Liska  <mliska@suse.cz>
3845
3846         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3847         DECL_FUNCTION_CODE into ix86_builtins enum before
3848         the switch statement.
3849
3850 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3851
3852         PR tree-optimization/89475
3853         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3854         calls.
3855
3856 2019-04-30  Martin Liska  <mliska@suse.cz>
3857
3858         PR translation/90274
3859         * opts.c (print_filtered_help): Wrap string in _(...).
3860
3861 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3862
3863         PR tree-optimization/90240
3864         Revert:
3865         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3866
3867         PR tree-optimization/90078
3868         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3869         checks for infinite_cost overflow.
3870
3871 2019-04-29  Jeff Law  <law@redhat.com>
3872
3873         * passes.def: Move -Wrestrict pass after copy propagation.
3874
3875 2019-04-29  Maya Rashish  <coypu@sdf.org>
3876
3877         * config.gcc (default_gnu_indirect_function): Default to yes
3878         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3879         sparc*-*-netbsd*, x86_64-*-netbsd*.
3880
3881 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3882
3883         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3884         where cond2 is NE_EXPR.
3885         (is_value_included_in): Update comment.
3886
3887 2019-04-29  Richard Biener  <rguenther@suse.de>
3888
3889         PR tree-optimization/90278
3890         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3891         EH on comparison simplification.
3892
3893 2019-04-29  Jason Merrill  <jason@redhat.com>
3894
3895         PR c++/82081 - tail call optimization breaks noexcept
3896         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3897         nothrow function to a might-throw function into a tail call.
3898
3899 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3900
3901         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3902         (DDR_INNER_LOOP): Likewise.
3903         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3904         (initialize_data_dependence_relation): Likewise.
3905         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3906
3907 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3908
3909         PR rtl-optimization/90257
3910         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3911         return value.
3912
3913         Revert the revert:
3914         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3915
3916         PR target/90178
3917         Revert:
3918         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3919
3920         Revert the revert:
3921         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3922
3923         Revert:
3924         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3925
3926         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3927
3928 2019-04-29  Richard Biener  <rguenther@suse.de>
3929
3930         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3931         rhs issue a reset.
3932
3933 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3934
3935         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3936         varasm.h, and netbsd-protos.h.
3937
3938 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3939
3940         PR target/89261
3941         * config/i386/i386-protos.h (ix86_data_alignment): Change
3942         the second argument type to unsigned int.
3943         * config/i386/i386.c (ix86_data_alignment): Change "align"
3944         argument type to unsigned int.
3945
3946 2019-04-27  Martin Liska  <mliska@suse.cz>
3947
3948         PR middle-end/90258
3949         * opt-suggestions.c (option_proposer::build_option_suggestions):
3950         When get_valid_option_values returns empty values, add the
3951         misspelling candidate.
3952
3953 2019-04-26  Jim Wilson  <jimw@sifive.com>
3954
3955         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3956         parameter.
3957         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3958         Pass orig_mode to riscv_build_integer.
3959         (riscv_split_integer): Pass mode to riscv_move_integer.
3960         (riscv_legitimize_const_move): Likewise.
3961         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3962         promoted_mode.  Replace force_reg call with code to load constant into
3963         promoted reg and then subreg it for the store.
3964         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3965         riscv_move_integer.
3966
3967 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3968
3969         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3970         corrupt codes.
3971
3972 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3973
3974         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3975         commentary about the encoding of precision.
3976
3977 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3978
3979         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3980         * config/i386/t-freebsd64: New file.
3981         * config.gcc: Add the t-freebsd64 for multilib support.
3982
3983 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3984
3985         * doc/extend.texi (vector_size): Add missing comma after @xref.
3986
3987 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3988
3989         * BASE-VER: Set to 10.0.0.
3990
3991 2019-04-25  Richard Biener  <rguenther@suse.de>
3992
3993         PR middle-end/89765
3994         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3995         VIEW_CONVERT_EXPR into one operating on an rvalue.
3996
3997 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3998
3999         PR target/89929
4000         * config/i386/i386.c (feature_priority): Moved to file scope.
4001         (processor_features): Likewise.
4002         (processor_model): Likewise.
4003         (_arch_names_table): Likewise.
4004         (arch_names_table): Likewise.
4005         (_feature_list): Removed.
4006         (feature_list): Likewise.
4007         (_isa_names_table): Moved to file scope.  Add priority.
4008         (isa_names_table): Likewise.
4009         (get_builtin_code_for_version): Replace feature_list with
4010         isa_names_table.  Update error message for P_ZERO priority.
4011
4012 2019-04-25  Richard Biener  <rguenther@suse.de>
4013
4014         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4015         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4016
4017 2019-04-24  Jeff Law  <law@redhat.com>
4018
4019         PR tree-optimization/90037
4020         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4021         * passes.def: Replace all instance of phi-only cprop with the
4022         lattice propagator.  Move propagation pass from after erroneous
4023         path isolation to before erroneous path isolation.
4024         * tree-ssa-phionlycprop.c: Remove.
4025
4026 2019-04-24  Richard Biener  <rguenther@suse.de>
4027
4028         PR middle-end/90213
4029         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4030         by size and BITS_PER_UNIT on poly-wide-ints.
4031
4032 2019-04-25  Richard Biener  <rguenther@suse.de>
4033
4034         PR middle-end/90194
4035         * match.pd: Add pattern to simplify view-conversion of an
4036         empty constructor.
4037
4038 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4039
4040         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4041         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4042         for Go on 32 bit AIX.
4043         * config/rs6000/aix72.h: Likewise.
4044
4045 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4046
4047         PR target/90193
4048         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4049         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4050
4051 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4052
4053         PR target/89952
4054         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4055         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4056         for restored hard frame pointer.
4057         (s390_sched_dependencies_evaluation): Implement new target hook.
4058         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4059
4060 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4061
4062         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4063         * config/arc/arc.c (arc_init): Cleanup warning message.
4064         (arc_override_options): Likewise.
4065
4066 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4067
4068         PR target/90187
4069         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4070         a register if both if_true and if_false are MEMs.
4071
4072         PR tree-optimization/90208
4073         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4074         after labels of new_bb, not before them.
4075
4076         PR tree-optimization/90211
4077         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4078         which are not SSA_NAMEs.
4079
4080 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4081
4082         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4083         AArch64.
4084         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4085
4086 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4087
4088         PR rtl-optimization/87979
4089         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4090         not equal zero.
4091
4092 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4093
4094         PR rtl-optimization/84032
4095         * modulo-sched.c (ps_insn_find_column): Change condition so that
4096         branch will always be the last insn in a row inside partial
4097         schedule.
4098
4099 2019-04-23  Richard Biener  <rguenther@suse.de>
4100
4101         PR debug/90131
4102         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4103         dest_single_pred_p argument.
4104         (remove_forwarder_block): Adjust.
4105         (remove_forwarder_block_with_phi): Likewise.
4106
4107 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4108             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4109             Jakub Jelinek  <jakub@redhat.com>
4110
4111         PR target/89093
4112         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4113         if used with general-regs-only.
4114         (arm_conditional_register_usage): Don't add non-general regs if
4115         general-regs-only.
4116         (arm_valid_target_attribute_rec): Handle general-regs-only.
4117         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4118         general-regs-only.
4119         (TARGET_HARD_FLOAT_SUB): Define.
4120         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4121         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4122         (TARGET_REALLY_IWMMXT2): Likewise.
4123         * config/arm/arm.opt: Add -mgeneral-regs-only.
4124         * doc/extend.texi: Document ARM general-regs-only target.
4125         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4126
4127 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4128
4129         PR tree-optimization/90078
4130         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4131         checks for infinite_cost overflow.
4132
4133 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4134
4135         PR tree-optimization/90021
4136         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4137         and check univariate against it.
4138         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4139         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4140
4141 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4142
4143         PR target/90178
4144         Revert:
4145         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4146
4147         Revert the revert:
4148         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4149
4150         Revert:
4151         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4152
4153         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4154
4155 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4156
4157         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4158         names using operand format, rather than hard-wired.
4159         (speculation_barrier): Likewise.
4160
4161 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4162
4163         PR tree-optimization/88055
4164         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4165         (gen_one_condition): Use it if !HONOR_NANS.
4166
4167 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4168
4169         PR middle-end/90139
4170         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4171         assign_temp instead of gen_reg_rtx.
4172
4173 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4174
4175         PR translation/90118
4176         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4177         Add missing space before %<.
4178
4179 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4180
4181         PR rtl-optimization/87871
4182         * ira-lives.c (make_object_dead): Don't add conflicts to
4183         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4184
4185 2019-04-18  Martin Sebor  <msebor@redhat.com>
4186
4187         PR middle-end/89797
4188         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4189         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4190         assuming type size fits in SHWI.
4191
4192 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4193
4194         PR ipa/85051
4195         * ipa-inline.c (flatten_function): New parameter UPDATE.
4196         (ipa_inline, early_inliner): Use it.
4197
4198 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4199
4200         * fold-const.c (int_const_binop): Return early on failure.
4201
4202 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4203
4204         PR middle-end/85164
4205         * combine.c (force_int_to_mode): Cast the argument rather than
4206         the result of known_alignment.
4207         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4208
4209 2019-04-18  Richard Biener  <rguenther@suse.de>
4210
4211         PR debug/90131
4212         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4213         out from ...
4214         (remove_forwarder_block): ... here.
4215         (remove_forwarder_block_with_phi): Also move debug stmts here.
4216
4217 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4218
4219         PR translation/79183
4220         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4221         inform where appropriate.
4222
4223 2019-04-18  Richard Biener  <rguenther@suse.de>
4224
4225         * tree.c (get_qualified_type): Put found type variants at the
4226         head of the variant list.
4227
4228 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4229
4230         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4231
4232 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4233
4234         PR target/90125
4235         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4236         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4237         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4238         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4239         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4240
4241 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4242
4243         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4244         even for allocno's with no conflicts.
4245         (print_conflicts): Print an extra newline.
4246
4247 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4248
4249         * auto-inc-dec.c (attempt_change): Set the alignment of the
4250         temporary memory to that of the original.
4251
4252 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4253
4254         * targhooks.c (default_print_patchable_function_entry): Emit
4255         __patchable_function_entries section with writable flags to allow
4256         relocation resolution.
4257
4258 2019-04-17  Jonny Grant  <jg@jguk.org>
4259
4260         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4261
4262 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4263
4264         PR middle-end/90095
4265         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4266         on lowpart SUBREGs.
4267
4268 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4269
4270         * config/arc/arc.c (arc_init): Format diagnostic string.
4271         (arc_override_options): Likewise.
4272         (check_if_valid_regno_const): Likewise.
4273         (arc_reorg): Likewise.
4274
4275 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4276
4277         PR target/17108
4278         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4279         name.
4280         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4281         name.
4282         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4283         (*movdi_update1): Use Pmode.
4284         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4285         (movdi_<mode>_update_stack): Rename to ...
4286         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4287         use Pmode.
4288         (*movsi_update1): Use Pmode.
4289         (*movsi_update2): Use Pmode.
4290         (movsi_update): Rename to ...
4291         (movsi_<mode>_update): ... this.  Use Pmode.
4292         (movsi_update_stack): Fix condition.
4293         (*movhi_update1): Use Pmode.  Fix argument to
4294         avoiding_indexed_address_p.
4295         (*movhi_update2): Ditto.
4296         (*movhi_update3): Ditto.
4297         (*movhi_update4): Ditto.
4298         (*movqi_update1): Ditto.
4299         (*movqi_update2): Ditto.
4300         (*movqi_update3): Ditto.
4301         (*movsf_update1, *movdf_update1): Merge, rename to...
4302         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4303         avoiding_indexed_address_p.  Add "size" attribute.
4304         (*movsf_update2, *movdf_update2): Merge, rename to...
4305         (*mov<mode>_update2): This.  Ditto.
4306         (*movsf_update3): Use Pmode.  Fix argument to
4307         avoiding_indexed_address_p.
4308         (*movsf_update4): Ditto.
4309         (allocate_stack): Simplify condition.  Adjust pattern names.
4310
4311 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4312
4313         PR target/89093
4314         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4315         whitespace at the start of target attribute string.
4316
4317 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4318
4319         PR target/84369
4320         * config/rs6000/power9.md: Add store forwarding bypass.
4321
4322 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4323
4324         PR debug/89528
4325         * valtrack.c (dead_debug_insert_temp): Reset debug references
4326         to the return value of a call being removed.
4327
4328 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4329
4330         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4331         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4332         implement target hook.
4333         (arc_memory_move_cost): New function.
4334         (TARGET_REGISTER_MOVE_COST): Define.
4335         (TARGET_MEMORY_MOVE_COST): Likewise.
4336         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4337         (MEMORY_MOVE_COST): Likewise.
4338
4339 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4340
4341         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4342         (sibcall_value_insn): Likewise.
4343         * config/arc/constraints.md (Rs5): Remove.
4344
4345 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4346
4347         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4348         for last two fake registers.
4349         (arc_conditional_register_usage): Make sure fake frame and arg
4350         pointer regs are in general regs class.
4351         (FRAME_POINTER_MASK): Remove.
4352         (RETURN_ADDR_MASK): Remove.
4353         (arc_must_save_register): Use hard frame regnum.
4354         (frame_restore_reg): Use hard_frame_pointer_rtx.
4355         (arc_save_callee_saves): Likewise.
4356         (arc_restore_callee_saves): Likewise.
4357         (arc_save_callee_enter): Likewise.
4358         (arc_restore_callee_leave): Likewise.
4359         (arc_save_callee_milli): Likewise.
4360         (arc_eh_return_address_location): Likewise.
4361         (arc_check_multi): Use hard frame regnum.
4362         (arc_can_eliminate): Likewise.
4363         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4364         for register allocator.
4365         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4366         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4367         (FRAME_POINTER_REGNUM): Change it to a fake register.
4368         (HARD_FRAME_POINTER_REGNUM): Defined.
4369         (ARG_POINTER_REGNUM): Change it to a new fake register.
4370         (ELIMINABLE_REGS): Update.
4371         (REGISTER_NAMES): Update names.
4372         * config/arc/arc.md (LP_START): Remove.
4373         (LP_END): Likewise.
4374         (shift_si3_loop): Update pattern.
4375
4376 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4377
4378         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4379         to avoid delay slot scheduling.
4380         (arc_must_save_register): Don't save SP.
4381         * config/arc/arc.md (stack_tie): Remove.
4382         (UNSPEC_ARC_STKTIE): Likewise.
4383
4384 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4385             Shiva Chen  <shiva0217@gmail.com>
4386
4387         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4388         code gen with large shift amount.
4389
4390 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4391
4392         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4393         subreg.
4394
4395 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4396
4397         PR target/90096
4398         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4399         print -m64/-mx32/-m32 if it is true.
4400         (ix86_debug_options, ix86_function_specific_print): Pass true as
4401         ADD_ABI_P to ix86_target_string.
4402         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4403         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4404         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4405
4406         PR rtl-optimization/90082
4407         * dce.c (can_delete_call): New function.
4408         (deletable_insn_p, mark_insn): Use it.
4409
4410         PR tree-optimization/90090
4411         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4412         throw internally.
4413         (is_division_by_square): Likewise.  Formatting fix.
4414
4415 2019-04-16  Richard Biener  <rguenther@suse.de>
4416
4417         PR tree-optimization/56049
4418         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4419         equality check if alias-set zero will prevail.
4420
4421 2019-04-15  Jeff Law  <law@redhat.com>
4422
4423         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4424         size and alignment as unsigned.
4425
4426 2019-04-15  Richard Biener  <rguenther@suse.de>
4427
4428         PR debug/90074
4429         * tree-loop-distribution.c (destroy_loop): Preserve correct
4430         debug info.
4431
4432 2019-04-15  Richard Biener  <rguenther@suse.de>
4433
4434         PR tree-optimization/90071
4435         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4436         abnormal operands from def stmts.
4437
4438 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4439
4440         PR rtl-optimization/89794
4441         * combine.c (count_auto_inc): New function.
4442         (try_combine): Count how many auto_inc expressions there were in the
4443         original instructions.  Ensure we have the same number in the new
4444         instructions.  Remove the code that tried to ensure auto_inc side
4445         effects on i1 and i0 are not lost.
4446
4447 2019-04-15  Richard Biener  <rguenther@suse.de>
4448
4449         PR ipa/88936
4450         * tree.h (auto_var_p): Declare.
4451         * tree.c (auto_var_p): New function, split out from ...
4452         (auto_var_in_fn_p): ... here.
4453         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4454         member.
4455         (new_var_info): Initialize it.
4456         (set_uids_in_ptset): Also set the shadow variable uid if required.
4457         (ipa_pta_execute): Postprocess points-to solutions assigning
4458         shadow variable uids for locals that may reach their containing
4459         function recursively.
4460         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4461         assert but instead check whether the points-to solution is
4462         a singleton.
4463
4464 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4465
4466         PR ipa/pr89693
4467         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4468         the thunk chain.
4469
4470 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4471
4472         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4473
4474 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4475             Kito Cheng  <kito.cheng@gmail.com>
4476             Shiva Chen  <shiva0217@gmail.com>
4477
4478         * config/nds32/nds32-md-auxiliary.c
4479         (nds32_legitimize_pic_address): Use new PIC pattern.
4480         (nds32_legitimize_tls_address): Use new TLS pattern.
4481         (nds32_output_symrel): New.
4482         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4483         (nds32_alloc_relax_group_id): Ditto.
4484         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4485         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4486         relax_group_id.
4487         (nds32_group_tls_insn): Ditto.
4488         (nds32_group_float_insns): Ditto.
4489         * config/nds32/nds32.md (tls_le): New.
4490         (sym_got): Ditto.
4491
4492 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4493
4494         * configure: Add nds32 target for dwarf2 debug_line checking.
4495         * configure.ac: Regenerated.
4496
4497 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4498
4499         PR lto/89358
4500         * ipa-devirt.c (skip_in_fields_list_p): New.
4501         (odr_types_equivalent_p): Use it.
4502
4503 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4504
4505         PR target/89093
4506         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4507         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4508
4509 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4510
4511         * doc/install.texi: Document --with-target-system-zlib.
4512
4513 2019-04-12  Martin Sebor  <msebor@redhat.com>
4514
4515         PR c/88383
4516         PR c/89288
4517         PR c/89798
4518         PR c/89797
4519         * targhooks.c (default_vector_alignment): Avoid assuming
4520         argument fits in SHWI.
4521         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4522         a shift expression.
4523         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4524
4525 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4526
4527         PR rtl-optimization/89965
4528         * dce.c: Include rtl-iter.h.
4529         (struct check_argument_load_data): New type.
4530         (check_argument_load): New function.
4531         (find_call_stack_args): Check for loads from stack slots still tracked
4532         in sp_bytes and punt if any is found.
4533
4534         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4535
4536 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4537
4538         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4539         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4540
4541 2019-04-12  Martin Liska  <mliska@suse.cz>
4542
4543         PR middle-end/89970
4544         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4545         in error message.
4546         (separate_attrs): Handle multiple 'default's.
4547         (expand_target_clones): Rework error handling code.
4548
4549 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4550
4551         PR target/87532
4552         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4553         mode of vector rather than mode of destination for move instruction.
4554         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4555         Use QI inner mode with V16QI vector mode.
4556
4557 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4558
4559         PR target/52726
4560         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4561         "invalid %%t operand" in output_operand_lossage message.
4562
4563 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4564
4565         * config/s390/predicates.md (permute_pattern_operand): New
4566         predicate.
4567         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4568         operand for the permute pattern.
4569         ("*vec_perm<mode>"): New insn definition.
4570         ("bswap<mode>"): Generate the permute pattern operand in the
4571         expander and perform the operand reloads for pre arch13 level
4572         already.
4573         ("*bswap<mode>_emu"): Rename to ...
4574         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4575         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4576         Add the USE operand for the permute pattern.
4577         ("*vec_set_bswap_vec<mode>"): Likewise.
4578
4579 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4580
4581         PR c/89946
4582         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4583         and gcc_unreachable if it fails, just call tree_to_uhwi which
4584         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4585         Start warning message with a lower-case letter.  Formatting fixes.
4586
4587         PR rtl-optimization/90026
4588         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4589         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4590         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4591         in cfglayout mode, use emit_barrier_after_bb.
4592
4593 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4594
4595         PR rtl-optimization/87763
4596         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
4597         New Instruction.
4598
4599 2019-04-11  Tom de Vries  <tdevries@suse.de>
4600
4601         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
4602         max macro using statement expression.
4603
4604 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
4605
4606         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
4607         * xcoffout.c (xcoff_private_rodata_section_name): Define.
4608         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
4609         read_only_private_data_section using xcoff_private_rodata_section_name.
4610         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
4611
4612 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
4613
4614         PR target/90016
4615         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
4616
4617 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
4618
4619         PR rtl-optimization/89965
4620         * dce.c (sp_based_mem_offset): New function.
4621         (find_call_stack_args): Use sp_based_mem_offset.
4622
4623 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
4624
4625         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
4626
4627 2019-04-11  Richard Biener  <rguenther@suse.de>
4628
4629         PR tree-optimization/90020
4630         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
4631         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
4632         * tree-ssa-pre.c (compute_avail): Use it to not put
4633         possibly trapping references after a call that might not
4634         return into EXP_GEN.
4635         * gcse.c (compute_hash_table_work): Do not elide
4636         marking a block containing a call if the call might not
4637         return.
4638
4639 2019-04-11  Richard Biener  <rguenther@suse.de>
4640
4641         PR tree-optimization/90018
4642         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
4643         Test both SLP and interleaving variants.
4644
4645 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
4646
4647         * config/s390/8561.md: New file.
4648         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4649         Add arch13 cpu model.
4650         * config/s390/s390-opts.h (enum processor_type): Likewise.
4651         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
4652         (s390_get_unit_mask): Likewise.
4653         (s390_is_fpd): Likewise.
4654         (s390_is_fxd): Likewise.
4655         * config/s390/s390.h (s390_tune_attr): Likewise.
4656         * config/s390/s390.md: Include arch13 pipeline description.
4657         * config/s390/s390.opt: Add arch13.
4658
4659 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
4660
4661         PR rtl-optimization/87763
4662         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
4663         New prototype.
4664         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
4665         New function.
4666         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
4667         New instruction.
4668         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
4669         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
4670         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
4671         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
4672
4673 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
4674
4675         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
4676         "Although" in -fipa-icf documentation.
4677
4678         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
4679         of using multiple -g options.
4680
4681 2019-04-10  Martin Liska  <mliska@suse.cz>
4682
4683         PR gcov-profile/89959
4684         * doc/gcov.texi: Make documentation of -x option
4685         more precise.
4686
4687 2019-04-10  Richard Biener  <rguenther@suse.de>
4688
4689         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4690         member.
4691         (DR_GROUP_SAME_DR_STMT): Remove.
4692         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4693         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4694         replace with assert.
4695         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4696         (vect_record_grouped_load_vectors): Remove unreachable code.
4697
4698 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4699
4700         PR target/90016
4701         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4702         obsolete reference to N.
4703
4704 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4705
4706         PR middle-end/90025
4707         * expr.c (store_expr): Set properly size on the MEM passed to
4708         clear_storage.
4709
4710         PR c++/90010
4711         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4712         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4713         translation is needed, and when translation is needed, only append
4714         ... if the string length is hostsz or more bytes long.  Avoid using
4715         strncpy or strcat.
4716
4717 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4718
4719         PR target/90024
4720         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4721         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4722         into three.
4723         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4724         differences directly.
4725         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4726
4727 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4728
4729         PR translation/90011
4730         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4731         from diagnostics.
4732         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4733         diagnostics.
4734         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4735         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4736         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4737         trailing space from -gsplit-dwarf diagnostics.
4738
4739         PR tree-optimization/89998
4740         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4741         instead of integer_type_node if possible, don't add ranges if return
4742         type is not compatible with int.
4743         * gimple-fold.c (gimple_fold_builtin_sprintf,
4744         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4745         integer_type_node.
4746
4747 2019-04-09  Martin Liska  <mliska@suse.cz>
4748
4749         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4750         * doc/install.texi: Document the new config.
4751
4752 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
4753
4754         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4755         use gimple_expr_type for load and store calls.  Skip over the
4756         condition argument in a conditional internal function.
4757         Protect use of TREE_INT_CST_LOW.
4758
4759 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4760
4761         PR target/90015
4762         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4763         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
4764         trailing period from it too.
4765
4766 2019-04-08  wu yuan  <wuyuan5@huawei.com>
4767
4768         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4769         * config/aarch64/aarch64.md : Add "tsv110.md"
4770         * config/aarch64/tsv110.md: New file.
4771
4772 2019-04-08  Richard Biener  <rguenther@suse.de>
4773
4774         PR tree-optimization/90006
4775         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4776         calls like lrint.
4777
4778 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
4779
4780         PR target/83033
4781         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4782         construction.
4783         (fma_root_node): Likewise.
4784         (func_fma_steering): Likewise.
4785
4786 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
4787
4788         PR rtl-optimization/89865
4789         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4790
4791         PR rtl-optimization/89865
4792         * config/i386/i386.md
4793         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4794         numbers not to clash with the additional operands[4].
4795         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4796         with extra register copy in the middle.
4797
4798 2019-04-08  Martin Liska  <mliska@suse.cz>
4799
4800         PR gcov-profile/89961
4801         * doc/gcov.texi: Document data_file.
4802         * gcov.c (generate_results): Add data_info into JSON output.
4803
4804 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
4805
4806         PR tree-optimization/89725
4807         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
4808         loop's chrec as invariant symbol.
4809         * tree-chrec.h (chrec_contains_symbols): New parameter.
4810         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4811         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4812         function of loops not in DDR's loop_nest.
4813         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4814
4815 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
4816
4817         PR target/89623
4818         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4819         Mask.
4820
4821 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4822
4823         PR target/89945
4824         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4825         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4826
4827 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4828
4829         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4830         targetm.fixed_condition_code_regs.
4831
4832 2019-04-05  Richard Biener  <rguenther@suse.de>
4833
4834         PR debug/89892
4835         PR debug/89905
4836         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4837         debug bind stmts but reset them if they are not valid at the
4838         destination.
4839
4840 2019-04-05  Martin Liska  <mliska@suse.cz>
4841
4842         PR translation/89936
4843         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4844         order to wrap keywords or arguments.
4845         * collect2.c (main): Likewise.
4846         (scan_prog_file): Likewise.
4847         (scan_libraries): Likewise.
4848         * common/config/riscv/riscv-common.c
4849         (riscv_subset_list::parsing_subset_version): Likewise.
4850         (riscv_subset_list::parse_std_ext): Likewise.
4851         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4852         Likewise.
4853         * config/arm/arm.c (arm_option_override): Likewise.
4854         * config/cris/cris.c (cris_print_operand): Likewise.
4855         * config/darwin-c.c (darwin_pragma_options): Likewise.
4856         (darwin_pragma_unused): Likewise.
4857         (darwin_pragma_ms_struct): Likewise.
4858         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4859         * config/i386/i386.c (print_reg): Likewise.
4860         (ix86_print_operand): Likewise.
4861         * config/i386/xm-djgpp.h: Likewise.
4862         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4863         * config/m32c/m32c.c (m32c_option_override): Likewise.
4864         * config/msp430/msp430.c (msp430_option_override): Likewise.
4865         * config/nds32/nds32.c (nds32_option_override): Likewise.
4866         * config/nvptx/mkoffload.c (main): Likewise.
4867         * config/rx/rx.c (rx_print_operand): Likewise.
4868         (valid_psw_flag): Likewise.
4869         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4870         (vms_pragma_nomember_alignment): Likewise.
4871         (vms_pragma_extern_model): Likewise.
4872         * lto-wrapper.c (compile_offload_image): Likewise.
4873         * omp-offload.c (oacc_parse_default_dims): Likewise.
4874         * symtab.c (symtab_node::verify_base): Likewise.
4875         * tlink.c (recompile_files): Likewise.
4876         (start_tweaking): Likewise.
4877         * tree-profile.c (parse_profile_filter): Likewise.
4878
4879 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4880
4881         PR tree-optimization/89956
4882         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4883         multiple negates of the same value.
4884
4885 2019-04-04  Martin Sebor  <msebor@redhat.com>
4886
4887         PR middle-end/89957
4888         PR middle-end/89911
4889         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4890         have the same precision since the function crashes otherwise.
4891         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4892         has non-zero arguments.
4893
4894 2019-04-04  Martin Sebor  <msebor@redhat.com>
4895
4896         PR middle-end/89934
4897         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4898         out if the number of arguments is less than expected.
4899
4900 2019-04-04  Jeff Law  <law@redhat.com>
4901
4902         PR rtl-optimization/89399
4903         * ree.c (combine_set_extension): Use single_set rather than
4904         digging into PATTERN for items on the candidate list.
4905         (combine_reaching_defs): Likewise.
4906
4907 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4908
4909         PR rtl-optimization/46590
4910         * loop-invariant.c (find_defs): Move df_remove_problem and
4911         df_process_deferred_rescans to move_invariants.
4912         Move df_live_add_problem and df_live_set_all_dirty calls
4913         to move_invariants.
4914         (move_invariants): Likewise.
4915         (move_loop_invariants): Likewise, making the df_live calls
4916         conditional on -O.  Remove the problem again if we added it
4917         locally.
4918
4919 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4920
4921         PR tree-optimization/89730
4922         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4923         -flive-patching=inline-only-static.
4924         (can_inline_edge_by_limits_p): Add the checking for
4925         -flive-patching=inline-only-static and grant always_inline
4926         even when -flive-patching=inline-only-static is specified.
4927
4928 2019-04-03  Jeff Law  <law@redhat.com>
4929
4930         PR rtl-optimization/81025
4931         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4932
4933 2019-04-03  Richard Biener  <rguenther@suse.de>
4934
4935         PR tree-optimization/84101
4936         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4937         regs.h for hard_regno_nregs.
4938         (cfun_returns): New helper.
4939         (vect_model_store_cost): When vectorizing a store to a decl
4940         we return and the function ABI returns in a multi-reg location
4941         account for the possible spilling that will happen.
4942
4943 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4944
4945         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4946         displacement addresses for vector mode operands.
4947
4948 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4949
4950         * config/arc/arc.c (GMASK_LEN): Define.
4951         (arc_restore_callee_saves): Restore first blink when
4952         !optimize_size.
4953
4954 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4955
4956         * doc/extend.texi: Add deprecated comment on sign-return-address
4957         function attribute and add mbranch-protection.
4958         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4959
4960 2019-04-03  Richard Biener  <rguenther@suse.de>
4961
4962         PR lto/89896
4963         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4964         the all target phony.
4965
4966 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4967
4968         PR target/89902
4969         PR target/89903
4970         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4971         Return false for variable DImode shifts.
4972         (dimode_scalar_chain::compute_convert_gain): Do not handle
4973         register count operand in variable DImode shifts.
4974         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4975         count argument of a variable shift instruction to a vector register.
4976         (dimode_scalar_chain::convert_reg): Remove support to convert
4977         count argument of a variable shift instruction.
4978
4979 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4980
4981         PR rtl-optimization/84206
4982         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4983         iterating over loop headers.
4984
4985 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4986
4987         PR rtl-optimization/85876
4988         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4989         beyond the original fence.
4990
4991 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4992
4993         * config.gcc: Mark spu* targets as deprecated/obsolete.
4994
4995 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4996
4997         * config/s390/s390-builtin-types.def: New builtin function type
4998         definitions. Remove unused types.
4999         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5000         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5001         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5002         overloaded builtins.
5003         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5004         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5005         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5006         (vec_double, vec_signed, vec_unsigned): Define to use the new
5007         overloaded builtins.
5008         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5009         Remove expanders.
5010
5011 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5012
5013         * config/s390/s390-builtin-types.def: New builtin function type
5014         definitions.
5015         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5016         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5017         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5018         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5019         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5020         constant definitions.
5021         * config/s390/vecintrin.h (vec_search_string_cc)
5022         (vec_search_string_until_zero_cc): New builtin name definitions.
5023         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5024         expanders.
5025         ("vec_vstrs<mode>"): New insn definition.
5026
5027 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5028
5029         * config/s390/s390-builtin-types.def: Add new builtin function
5030         types.
5031         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5032         New overloaded builtins.
5033         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5034         s390_vsrd.
5035         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5036         (UNSPEC_VEC_SLDBYTE): ... this.
5037         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5038         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5039         definitions.
5040         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5041         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5042         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5043
5044 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5045
5046         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5047         New insn definition.
5048         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5049         * config/s390/vector.md (V_HW_HSD): ... here.
5050
5051 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5052
5053         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5054         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5055         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5056         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5057         New insn definitions.
5058
5059 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5060
5061         * config/s390/s390-builtin-types.def: Add new builtin function type.
5062         * config/s390/s390-builtins.def: Add overloaded builtin
5063         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5064         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5065         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5066         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5067         ("eltswap<mode>"): New expander.
5068         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5069         insn definitions.
5070
5071 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5072
5073         * config/s390/s390-builtin-types.def: Add new builtin function types.
5074         * config/s390/s390-builtins.def: Add overloaded builtin
5075         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5076         instructions.
5077         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5078         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5079         ("bswap<mode>"): New expander.
5080         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5081
5082 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5083
5084         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5085         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5086         vector builtin version number in __VEC__.
5087
5088 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5089
5090         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5091         iterators.
5092         (SFSI): New mode attribute.
5093         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5094         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5095         rename to ...
5096         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5097         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5098         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5099         ("floatsi<mode>2"): Add wcefb instruction.
5100
5101 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5102
5103         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5104         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5105         mode iterators.
5106         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5107         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5108         support 32 bit fp-int conversions. Rename to ...
5109         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5110         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5111         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5112         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5113         ... to these.
5114
5115 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5116
5117         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5118         if-then-else constructs if we can use the select instruction.
5119         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5120
5121 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5122
5123         * config/s390/s390.md ("*popcountdi_arch13_cc")
5124         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5125         definition.
5126         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5127         Append _z196 to make it ...
5128         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5129         ("popcounthi2_z196"): ... this.
5130         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5131         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5132
5133 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5134
5135         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5136         certain compares for arch13 in order to make use of the condition
5137         code result produced by the new instructions.
5138         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5139         nxrk, and nxgrk instruction patterns.
5140         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5141         (inv_no): Add new code iterator together with some attributes.
5142         ("*andc_split_<mode>"): Disable splitter for arch13.
5143         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5144         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5145         ("*<ANDOR:bitops_name>c<GPR:mode>")
5146         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5147         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5148         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5149         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5150
5151 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5152
5153         * common/config/s390/s390-common.c (processor_flags_table): New
5154         entry for arch13.
5155         * config.gcc: Support arch13 with the --with-arch= configure flag.
5156         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5157         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5158         * config/s390/s390.c (s390_get_sched_attrmask)
5159         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5160         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5161         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5162         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5163         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5164         definitions.
5165         * config/s390/s390.opt: Support arch13 as processor type in
5166         command line options.
5167
5168 2019-04-02  Martin Liska  <mliska@suse.cz>
5169
5170         PR translation/89912
5171         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5172         Fix param description of graphite-max-arrays-per-scop.
5173
5174 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5175
5176         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5177         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5178         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5179
5180 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5181
5182         PR rtl-optimization/85412
5183         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5184         sel_sched_region_1, not after.
5185
5186 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5187
5188         PR rtl-optimization/86928
5189         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5190         compute_live if necessary.
5191         (sel_redirect_edge_and_branch): Likewise.
5192
5193 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5194
5195         PR rtl-optimization/89865
5196         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5197         register if it is a part of small class.
5198
5199 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5200
5201         PR rtl-optimization/87273
5202         * sel-sched-ir.c (merge_fences): Remove assert.
5203
5204 2019-04-01  Richard Biener  <rguenther@suse.de>
5205
5206         PR tree-optimization/46590
5207         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5208         (dom_walker::m_reachability): Add in place of...
5209         (dom_walker::m_skip_unreachable_blocks): ...this.
5210         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5211         Move complex initialization ...
5212         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5213         lazily and initialize edge flags on each invocation.
5214         (dom_walker::bb_reachable): Use m_reachability.
5215
5216 2019-04-01  Martin Liska  <mliska@suse.cz>
5217
5218         PR driver/89861
5219         * opt-suggestions.c (option_proposer::build_option_suggestions):
5220         Add variant without any argument in order to provide better
5221         hints.
5222
5223 2019-04-01  Richard Biener  <rguenther@suse.de>
5224
5225         PR c/71598
5226         * gimple.c: Include langhooks.h.
5227         (gimple_get_alias_set): Treat enumeral types as the underlying
5228         integer type.
5229
5230 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5231             Eric Botcazou  <ebotcazou@adacore.com>
5232
5233         PR rtl-optimization/89862
5234         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5235         that operates on the full registers for WORD_REGISTER_OPERATIONS
5236         architectures.
5237
5238 2019-03-29  Jim Wilson  <jimw@sifive.com>
5239
5240         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5241         Clear MASK_RVC and then set if C subset supported.
5242
5243 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5244
5245         PR c/89872
5246         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5247         non-addressable complit into its initializer if it is volatile.
5248
5249 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5250
5251         * opts-common.c (integral_argument): Set errno properly in one case.
5252
5253 2019-03-29  Martin Liska  <mliska@suse.cz>
5254
5255         * doc/invoke.texi: Remove -Wchkp from documentation.
5256
5257 2019-03-29  Martin Liska  <mliska@suse.cz>
5258
5259         * dbgcnt.c (print_limit_reach): New function.
5260         (dbg_cnt): Use it.
5261
5262 2019-03-29  Martin Liska  <mliska@suse.cz>
5263
5264         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5265         (dbg_cnt_process_opt): Parse first tokens aas
5266         dbg_cnt_process_single_pair is also using strtok.
5267
5268 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5269
5270         PR rtl-optimization/87485
5271         * function.c (expand_function_end): Move stack_protect_epilogue
5272         before loading of return value into hard register(s).
5273
5274 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5275
5276         PR middle-end/89621
5277         * tree-inline.h (struct copy_body_data): Add
5278         dont_remap_vla_if_no_change flag.
5279         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5280         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5281         and remap_type_2 returns false.
5282         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5283         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5284         only from where it is copied to nested contexts.
5285
5286 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5287
5288         PR target/89865
5289         * config/i386/i386.md (RMW operation with LEA peephole):
5290         Use LEAMODE mode attribute instead of SWI mode iterator for
5291         LEA pattern.
5292
5293 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5294
5295         PR target/89848
5296         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5297         Also process XEXP (src, 0) of a shift insn.
5298
5299 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5300
5301         PR middle-end/89725
5302         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5303         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5304
5305 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5306
5307         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5308         test.
5309         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5310         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5311         immediately after first one with df_analyze in between, but rather
5312         process all bbs, queueing ones that need second pass in a worklist,
5313         df_analyze, process queued debug insn changes and if second pass is
5314         needed, process bbs from worklist, df_analyze, process queued debug
5315         insns again.
5316
5317         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5318         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5319         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5320
5321 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5322
5323         PR c/79022
5324         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5325         definition.
5326
5327 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5328
5329         PR target/85667
5330         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5331         function for 32-bit MS_ABI.
5332         (function_value_ms_32): New function.
5333
5334 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5335
5336         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5337         (movdi): Call gen_movdi_symbol_save_scc.
5338         (gen_movdi_symbol_save_scc): New insn and split.
5339
5340 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5341
5342         PR rtl-optimization/89313
5343         * function.c (matching_constraint_num): New static function.
5344         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5345         Don't replace inputs with non-matching constraints which conflict
5346         with early clobber outputs.
5347
5348 2019-03-27  Jeff Law  <law@redhat.com>
5349
5350
5351         PR rtl-optimization/87761
5352         PR rtl-optimization/89826
5353         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5354         slightly later.
5355         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5356         note problem to get REG_DEAD/REG_UNUSED notes updated.
5357
5358 2019-03-27  Richard Biener  <rguenther@suse.de>
5359
5360         PR tree-optimization/89463
5361         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5362         queue edges to remove.
5363         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5364         dead stmts.  Delay edge removal until PHIs are removed to
5365         make debug-stmt creation not confused by seemingly degenerate
5366         PHIs.
5367
5368 2019-03-27  Alan Modra  <amodra@gmail.com>
5369
5370         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5371         throughout file.
5372         * config/rs6000/darwin.h: Likewise.
5373         * config/rs6000/rs6000.c: Likewise.
5374
5375 2019-03-27  Alan Modra  <amodra@gmail.com>
5376
5377         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5378         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5379
5380 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5381             Jim Wilson  <jimw@sifive.com>
5382
5383         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5384         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5385         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5386         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5387         (generic_alu): Add auipc to type list.
5388         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5389         (riscv_microarchitecture): Declare.
5390         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5391         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5392         field.
5393         (riscv_microarchitecture): New.
5394         (sifive_7_tune_info): New.
5395         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5396         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5397         entries.
5398         (riscv_store_data_bypass_p): New.
5399         (riscv_option_override): Set riscv_microarchitecture from
5400         cpu->microarchitecture.
5401         * config/riscv/riscv.md: Include sifive-7.md.
5402         (type): Add auipc.
5403         (tune): New.
5404         (auipc<mode>): Change type to auipc.
5405         (restore_stack_nonlocal): New.
5406         * config/riscv/sifive-7.md: New.
5407         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5408
5409 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5410
5411         PR target/89827
5412         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5413         Also process XEXP (src, 0) of a shift insn.
5414
5415 2019-03-26  Richard Biener  <rguenther@suse.de>
5416
5417         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5418         (copy_debug_stmt): Likewise.
5419         (expand_call_inline): Likewise.
5420         (copy_bb): Avoid redundant lookup & set of gimple_block.
5421         * gimple-low.c (lower_gimple_return): Likewise.
5422         (lower_builtin_setjmp): Likewise.
5423
5424 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5425
5426         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5427         is constant 0, turn into static const data member initialized to false.
5428         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5429         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5430
5431 2019-03-26  Jason Merrill  <jason@redhat.com>
5432             Jakub Jelinek  <jakub@redhat.com>
5433
5434         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5435         method.
5436         (mem_alloc_description::release_object_overhead): Fix comment typos.
5437         * hash-table.h (hash_table::~hash_table): Call
5438         release_instance_overhead only if m_entries is non-NULL, otherwise
5439         call unregister_descriptor.
5440
5441 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5442
5443         PR tree-optimization/81740
5444         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5445         In case of outer loop vectorization, check for backward dependence
5446         at the inner loop if outer loop dependence is reversed.
5447
5448 2019-03-26  Alan Modra  <amodra@gmail.com>
5449
5450         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5451         rs6000_vector_mem init.  Correct wI and wJ comment.
5452
5453 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5454
5455         PR rtl-optimization/88347
5456         PR rtl-optimization/88423
5457         * sched-deps.c (sched_analyze_insn): Take into account that for
5458         tablejumps the barrier appears after a label and a jump_table_data.
5459
5460 2019-03-25  Martin Sebor  <msebor@redhat.com>
5461
5462         PR c/89812
5463         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5464         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5465         convert it to UHWI when it fits.
5466
5467 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5468
5469         PR debug/86964
5470         * dwarf2out.c (premark_used_variables): New function.
5471         (prune_unused_types_walk): Do not mark not premarked external
5472         variables.
5473         (prune_unused_types): Call premark_used_variables.
5474
5475 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5476
5477         PR rtl-optimization/89676
5478         * lra-constraints.c (curr_insn_transform): Do match reload for
5479         early clobbers when the match was successful only for different
5480         registers.
5481
5482 2019-03-25  Martin Sebor  <msebor@redhat.com>
5483
5484         * doc/extend.texi (Common Type Attributes): Document vector_size.
5485         (Common Variable Attributes): Mention size constraint.  Correct
5486         quoting and typos.
5487         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5488         base type and size constraints.
5489
5490 2019-03-25  Richard Biener  <rguenther@suse.de>
5491
5492         PR tree-optimization/89789
5493         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5494         changes from non-undefined back to undefined.
5495
5496 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5497
5498         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5499         heap string and a gc string, but since this variable is unknown to
5500         ggc the gc string might get reused and corrupted. Fixed by always
5501         using a heap string.
5502
5503 2019-03-25  Richard Biener  <rguenther@suse.de>
5504
5505         PR tree-optimization/89779
5506         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5507         to remove IV defs, delay actual removal.
5508         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5509         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5510         very end, properly also reset loop control IV information.
5511
5512 2019-03-25  Richard Biener  <rguenther@suse.de>
5513
5514         PR tree-optimization/89802
5515         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5516         move EH data to folded stmt.
5517
5518 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5519
5520         * config/s390/s390-builtin-types.def: Remove few unused types and
5521         fix sort order for others.
5522
5523 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5524
5525         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5526         expected and found types with -mdebug during builtin matching.
5527
5528 2019-03-25  Richard Biener  <rguenther@suse.de>
5529
5530         PR middle-end/89790
5531         * fold-const.c (operand_equal_p): Revert last change with
5532         updated comment.
5533
5534 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5535
5536         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5537         notes for the result of the __tls_get_addr calls.
5538         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5539
5540 2019-03-24  Jeff Law  <law@redhat.com>
5541
5542         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5543
5544         PR rtl-optimization/87761
5545         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5546         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5547         as needed.
5548         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5549         rescans.  Reprocess blocks as needed, calling df_analyze before
5550         reprocessing.  Always call df_analyze before fixing up debug bind
5551         insns.
5552
5553 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5554
5555         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5556         big endian.
5557
5558 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5559
5560         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5561         attrribute for uxtw.
5562
5563 2019-03-26  Jeff Law  <law@redhat.com>
5564
5565         PR rtl-optimization/87761
5566         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5567         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5568         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5569         into the next instruction.
5570         (mips_split_move_insn): Pass INSN through to mips_split_move.
5571
5572 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5573
5574         PR rtl-optimization/89676
5575         * lra-constraints.c (curr_insn_transform): Do match reload for
5576         early clobbers even if the match was successful.
5577
5578 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5579
5580         PR c++/87481
5581         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5582
5583 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5584
5585         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5586
5587 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5588
5589         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5590         <avx512>_fmsub_<mode>_mask3<round_name>,
5591         <avx512>_fnmadd_<mode>_mask3<round_name>,
5592         <avx512>_fnmsub_<mode>_mask3<round_name>,
5593         avx512f_vmfmadd_<mode>_mask3<round_name>,
5594         avx512f_vmfmsub_<mode>_mask3<round_name>,
5595         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5596         instead of register_operand and %v instead of v for match_operand 1.
5597         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
5598         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
5599         <round_nimm_predicate> instead of register_operand and %v instead of v
5600         for match_operand 1.
5601
5602         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
5603         <avx512>_fmadd_<mode>_mask3<round_name>,
5604         <avx512>_fmsub_<mode>_mask<round_name>,
5605         <avx512>_fmsub_<mode>_mask3<round_name>,
5606         <avx512>_fnmadd_<mode>_mask<round_name>,
5607         <avx512>_fnmadd_<mode>_mask3<round_name>,
5608         <avx512>_fnmsub_<mode>_mask<round_name>,
5609         <avx512>_fnmsub_<mode>_mask3<round_name>,
5610         <avx512>_fmaddsub_<mode>_mask<round_name>,
5611         <avx512>_fmaddsub_<mode>_mask3<round_name>,
5612         <avx512>_fmsubadd_<mode>_mask<round_name>,
5613         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
5614         <round_nimm_predicate> instead of nonimmediate_operand.
5615         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
5616         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
5617         Use register_operand instead of <round_nimm_predicate> for the
5618         operand that needs to match output.
5619         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
5620         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
5621         Likewise.  Formatting fixes.
5622
5623         PR target/89784
5624         * config/i386/i386.c (enum ix86_builtins): Remove
5625         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
5626         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
5627         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
5628         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
5629         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
5630         __builtin_ia32_vfmsubss3_mask3): New builtins.
5631         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
5632         avx512f_vmfmadd_<mode>_mask3<round_name>,
5633         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
5634         *avx512f_vmfmsub_<mode>_mask<round_name>,
5635         avx512f_vmfmsub_<mode>_mask3<round_name>,
5636         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
5637         *avx512f_vmfnmadd_<mode>_mask<round_name>,
5638         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
5639         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
5640         *avx512f_vmfnmsub_<mode>_mask<round_name>,
5641         avx512f_vmfnmsub_<mode>_mask3<round_name>,
5642         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
5643         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
5644         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
5645         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
5646         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
5647         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
5648         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
5649         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
5650         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
5651         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
5652         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
5653         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
5654         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
5655         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
5656         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
5657         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
5658         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
5659         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
5660         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
5661         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
5662         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
5663         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
5664
5665 2019-03-21  Martin Sebor  <msebor@redhat.com>
5666
5667         PR tree-optimization/89350
5668         * builtins.c (compute_objsize): Also ignore offsets whose upper
5669         bound is negative.
5670         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
5671         (builtin_memref::builtin_memref): Initialize new member.
5672         Allow EXPR to be null.
5673         (builtin_memref::extend_offset_range): Replace local with a member.
5674         Avoid assuming pointer offsets are unsigned.
5675         (builtin_memref::set_base_and_offset): Determine base object
5676         before computing offset range.
5677         (builtin_access::builtin_access): Handle memset.
5678         (builtin_access::generic_overlap): Replace local with a member.
5679         (builtin_access::strcat_overlap): Same.
5680         (builtin_access::overlap): Same.
5681         (maybe_diag_overlap): Same.
5682         (maybe_diag_access_bounds): Same.
5683         (wrestrict_dom_walker::check_call): Handle memset.
5684         (check_bounds_or_overlap): Same.
5685
5686 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
5687             Jakub Jelinek  <jakub@redhat.com>
5688
5689         PR lto/89692
5690         * tree.c (fld_type_variant, fld_incomplete_type_of,
5691         fld_process_array_type): Call fld->pset.add and don't call
5692         add_tree_to_fld_list if it returns true.
5693         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5694         non-marked types from TYPE_NEXT_VARIANT list.
5695         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5696
5697 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5698
5699         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5700         to false, if true, don't alloc_entries during construction, but defer
5701         it to the first method that needs m_entries allocated.
5702         (hash_table::hash_table, hash_table::~hash_table,
5703         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5704         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5705         hash_table::clear_slot, hash_table::traverse_noresize,
5706         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5707         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5708         false.
5709         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5710         NO_INSERT instead of find_with_hash.
5711         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5712         hash_set::m_table): Add Lazy to template params of hash_table.
5713         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5714         * attribs.c (test_attribute_exclusions): Likewise.
5715         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5716         hash_set.  Add tests for hash_set with Lazy = true.
5717
5718 2019-03-21  Richard Biener  <rguenther@suse.de>
5719
5720         PR tree-optimization/89779
5721         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5722         checks with respect to released SSA names now having error_mark_node
5723         type.
5724         * fold-const.c (operand_equal_p): Likewise.
5725
5726 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5727
5728         PR target/89775
5729         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5730         available to ...
5731         (s390_optimize_register_info): Use global_not_special_regno_p to
5732         check for global regs.
5733
5734 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5735
5736         PR target/89752
5737         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5738         update this_alternative nor this_alternative_set.
5739
5740 2019-03-19  Jim Wilson  <jimw@sifive.com>
5741
5742         PR target/89411
5743         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
5744         align, size, offset.  Use them to handle a BLKmode reference.  Update
5745         comment.
5746         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5747
5748 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5749
5750         PR rtl-optimization/89768
5751         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5752         instead of GEN_INT.
5753         (unroll_loop_runtime_iterations): Likewise.
5754
5755 2019-03-19  Martin Sebor  <msebor@redhat.com>
5756
5757         PR tree-optimization/89644
5758         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5759         rather than endptr as an indicator of nul-termination.
5760
5761         PR tree-optimization/89644
5762         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5763         arrays in determining sequence sizes in strncpy and stpncpy.
5764
5765 2019-03-19  Martin Liska  <mliska@suse.cz>
5766
5767         PR middle-end/89737
5768         * predict.c (combine_predictions_for_bb): Empty likely_edges and
5769         unlikely_edges if there's an edge that belongs to both these sets.
5770
5771 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
5772
5773         PR target/89746
5774         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5775         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5776         go via a stack temporary.
5777
5778 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5779
5780         PR target/89378
5781         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5782         instead of gen_rtx_SUBREG.
5783         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5784
5785 2019-03-19  Richard Biener  <rguenther@suse.de>
5786
5787         PR debug/88389
5788         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5789
5790 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
5791
5792         PR lto/87809
5793         PR lto/89335
5794         * tree.c (free_lang_data_in_decl): Do not free context of C++
5795         destrutors.
5796
5797 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5798
5799         PR target/89506
5800         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5801         subs for the first alternative except when operands[3] is 1.
5802
5803         PR target/89752
5804         * gimplify.c (gimplify_asm_expr): For output argument with
5805         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5806         diagnose error.
5807
5808 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
5809
5810         PR rtl-optimization/89753
5811         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5812         explicit unrolling factor even more robust.
5813
5814 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5815
5816         PR target/89726
5817         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5818         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5819         signed zeros, do another copysign after the compensation.
5820
5821 2019-03-18  Martin Sebor  <msebor@redhat.com>
5822
5823         PR tree-optimization/89720
5824         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5825         more conservatively, the same as anti-range.
5826
5827 2019-03-18  Richard Biener  <rguenther@suse.de>
5828
5829         PR middle-end/88945
5830         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5831         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5832         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5833         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5834
5835 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5836
5837         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5838         Extend queue to 1024 entries.
5839         Add "consumed" field.
5840         (gomp_print_output): Remove print_index parameter.
5841         Add final parameter.
5842         Change limit to unsigned.
5843         Use consumed field to implement circular buffer.
5844         Detect interrupted print in final pass.
5845         Flush output at the end.
5846         (run): Update gomp_print_output usage.
5847         (main): Initialize kernargs->output_data.consumed.
5848
5849 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5850
5851         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5852         calculation of the minimum number of scalar iterations for
5853         fully-predicated loops.
5854
5855 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5856
5857         PR tree-optimization/89546
5858         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5859         any propagation to its children took place.
5860
5861 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5862
5863         PR target/89627
5864         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5865         parameter, and make use of it.
5866         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5867
5868 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5869
5870         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5871         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5872         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5873         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5874         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5875         match what the ops is doing.
5876         (push_multi_fp_blink): Likewise.
5877         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5878         compiling for size and elf target.
5879         (arc_save_callee_enter): Adjust note to match what enter/leave
5880         operation does.
5881
5882 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5883
5884         * config/arc/arc.md (tst_movb): Fix constraint.
5885
5886 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5887
5888         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5889
5890 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5891
5892         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5893         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5894         reg_alloc_order references.
5895         (size_alloc_order): Define.
5896         (arc_adjust_reg_alloc_order): New function.
5897         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5898         order.
5899         (ADJUST_REG_ALLOC_ORDER): Define.
5900         (HONOR_REG_ALLOC_ORDER): Likewise.
5901
5902 2019-03-18  Richard Biener  <rguenther@suse.de>
5903
5904         PR target/87561
5905         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5906         loads and stores a bit more.
5907
5908 2019-03-18  Richard Biener  <rguenther@suse.de>
5909
5910         PR target/87561
5911         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5912         load pessimization to stores as well.
5913
5914 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5915
5916         PR middle-end/86979
5917         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5918         successor, use NULL as its av set.
5919
5920 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5921
5922         PR rtl-optimization/89721
5923         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5924
5925 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5926
5927         PR target/87532
5928         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5929         When handling vec_extract, use modular arithmetic to allow
5930         constant selectors greater than vector length.
5931         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5932         V1TImode vectors to have constant selector values greater than 0.
5933         Use modular arithmetic to compute vector index.
5934         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5935         index for in-memory vectors.  Correct code generation for
5936         in-register vectors.
5937         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5938         compute index.
5939
5940 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5941
5942         PR c++/88534
5943         PR c++/88537
5944         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5945         VAR_DECL args.
5946
5947 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5948
5949         PR c++/89709
5950         * tree.c (inchash::add_expr): Strip any location wrappers.
5951         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5952         after hash verification.
5953
5954         PR debug/89704
5955         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5956         SIGN_EXTEND and ZERO_EXTEND.
5957
5958 2019-03-14  Jason Merrill  <jason@redhat.com>
5959             Jakub Jelinek  <jakub@redhat.com>
5960
5961         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5962         than if is_empty (*slot).
5963         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5964         existing elt and for elt removal.
5965         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5966         of already removed elt.
5967
5968 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5969
5970         PR target/89650
5971         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5972         REG_EH_REGION note.
5973
5974 2019-03-14  Martin Liska  <mliska@suse.cz>
5975
5976         PR other/89712
5977         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5978
5979 2019-03-14  Richard Biener  <rguenther@suse.de>
5980
5981         PR target/89711
5982         * config/i386/i386.c (make_resolver_func): Properly set
5983         DECL_CONTEXT on the RESULT_DECL.
5984         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5985
5986 2019-03-14  Richard Biener  <rguenther@suse.de>
5987
5988         * gimple-pretty-print.c: Include cfgloop.h.
5989         (dump_gimple_phi): Adjust.
5990         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5991         (pp_cfg_jump): Adjust.
5992         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5993         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5994         (lower_phi_internal_fn): Remove.
5995         (verify_gimple_call): Remove IFN_PHI special-casing.
5996         (dump_function_to_file): Dump IL state.
5997         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5998         done to deal with PHI nodes being present in non-SSA state.
5999
6000 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6001
6002         PR ipa/89684
6003         * multiple_target.c (create_dispatcher_calls): Change
6004         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6005         In the node->iterate_referring loop, push *ref rather than ref, call
6006         ref->remove_reference () and always pass 0 to iterate_referring.
6007
6008         PR rtl-optimization/89679
6009         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6010         would contain a paradoxical SUBREG.
6011
6012 2019-03-14  Richard Biener  <rguenther@suse.de>
6013
6014         PR tree-optimization/89710
6015         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6016         safe_dyn_cast.
6017
6018 2019-03-14  Martin Liska  <mliska@suse.cz>
6019
6020         * coverage.c (coverage_begin_function): Stream also
6021         end_column.
6022         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6023         documentation about function declaration location.
6024         * gcov-dump.c (tag_function): Print whole range
6025         of function declaration.
6026         * gcov.c (struct function_info): Add end_column field.
6027         (function_info::function_info): Initialize it.
6028         (output_json_intermediate_file): Output {start,end}_column
6029         fields.
6030         (read_graph_file): Read end_column.
6031
6032 2019-03-14  Richard Biener  <rguenther@suse.de>
6033
6034         PR middle-end/89698
6035         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6036         that the access types are similar.
6037
6038 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6039
6040         PR tree-optimization/89703
6041         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6042         aren't compatible also with builtin_decl_explicit.  Check pure
6043         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6044         and BUILT_IN_STPNCPY{,_CHK}.
6045
6046 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6047
6048         PR target/89523
6049         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6050         addr32 prefix to VSIB address for X32.
6051         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6052         "%M2" to opcode.
6053         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6054         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6055         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6056         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6057         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6058         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6059         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6060         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6061         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6062         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6063         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6064         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6065         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6066         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6067         (*avx512f_scatterdi<mode>): Likewise.
6068
6069 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6070
6071         PR target/85860
6072         * lra-constraints.c (inherit_in_ebb): Update
6073         potential_reload_hard_regs along with live_hard_regs.
6074
6075 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6076
6077         PR debug/89498
6078         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6079         DWARF_OFFSET_SIZE.
6080         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6081
6082 2019-03-13  Martin Sebor  <msebor@redhat.com>
6083
6084         PR tree-optimization/89662
6085         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6086         has a size.
6087
6088 2019-03-13  Richard Biener  <rguenther@suse.de>
6089
6090         PR middle-end/89677
6091         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6092         throw FP expressions at tree-affine.
6093
6094 2019-03-14  Richard Biener  <rguenther@suse.de>
6095
6096         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6097         dump negative integer constants using _Literal (type) -num.
6098
6099 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6100
6101         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6102         nonlocal_value member.
6103
6104         PR middle-end/88588
6105         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6106         (ipa_simd_modify_function_body): Handle PHIs.
6107
6108 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6109
6110         * config/s390/s390.c (s390_option_override_internal): Use more
6111         aggressive inlining parameters.
6112
6113 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6114
6115         * config/s390/3906.md: New file.
6116         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6117         (LONGRUNNING_THRESHOLD): Remove.
6118         (MAX_SCHED_MIX_SCORE): Decrease.
6119         (MAX_SCHED_MIX_DISTANCE): Decrease.
6120         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6121         (struct s390_sched_state): New struct to hold scheduling state.
6122         (S390_SCHED_STATE_NORMAL): Remove.
6123         (S390_SCHED_STATE_CRACKED): Remove.
6124         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6125         (s390_get_sched_attrmask): Use new attribute.
6126         (s390_get_unit_mask): Use new units.
6127         (s390_is_fpd): New function.
6128         (s390_is_fxd): New function.
6129         (s390_is_longrunning): New function.
6130         (s390_sched_score): Use new functions.
6131         (s390_sched_reorder): Likewise.
6132         (s390_sched_variable_issue): Rework and use new functions.
6133         (s390_sched_init): Use new functions.
6134         * config/s390/s390.h (s390_tune_attr):  Add z14.
6135         * config/s390/s390.md: Add z14.
6136
6137 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6138
6139         * config/s390/2964.md: Update pipeline description.
6140         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6141         (LONGRUNNING_THRESHOLD): Remove.
6142         (LATENCY_FACTOR): Remove.
6143         (s390_get_unit_mask): Add unit.
6144         (s390_sched_score): Use fxd/fpd.
6145         (s390_sched_variable_issue): Use fxd/fpd.
6146
6147 2019-03-12  Martin Liska  <mliska@suse.cz>
6148
6149         * config/i386/i386.c: Reword an error message.
6150
6151 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6152
6153         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6154         terminate with newline.
6155
6156 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6157
6158         PR target/52726
6159         * config/s390/s390.md (tabort): Use %wd instead of
6160         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6161         letters and periods.
6162         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6163         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6164         's with %< and %>.
6165
6166         PR middle-end/89663
6167         * builtins.c (expand_builtin_int_roundingfn,
6168         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6169         gcc_unreachable if validate_arglist fails.
6170
6171 2019-03-12  Richard Biener  <rguenther@suse.de>
6172
6173         PR tree-optimization/89664
6174         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6175         free the occurance tree after the early out.
6176
6177 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6178
6179         PR middle-end/89655
6180         PR bootstrap/89656
6181         * vr-values.c (vr_values::update_value_range): If
6182         old_vr->varying_p (), don't update it, make new_vr also VARYING
6183         and return false.
6184
6185 2019-03-11  Martin Liska  <mliska@suse.cz>
6186
6187         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6188         Fix double string quoting.
6189
6190 2019-03-11  Martin Liska  <mliska@suse.cz>
6191
6192         * collect-utils.c (collect_wait): Wrap apostrophes
6193         in gcc internal format with %'.
6194         * collect2.c (main): Likewise.
6195         (scan_prog_file): Likewise.
6196         (scan_libraries): Likewise.
6197         * config/i386/i386.c (ix86_expand_call): Likewise.
6198         (ix86_handle_interrupt_attribute): Likewise.
6199         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6200         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6201         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6202         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6203         * symtab.c (symtab_node::verify_base): Likewise.
6204         * tree-cfg.c (verify_gimple_label): Likewise.
6205         * tree.c (verify_type_variant): Likewise.
6206
6207 2019-03-11  Martin Liska  <mliska@suse.cz>
6208
6209         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6210         in a string format message and fix GNU coding style.
6211         (expand_builtin_set_thread_pointer): Likewise.
6212         * common/config/aarch64/aarch64-common.c
6213         (aarch64_rewrite_selected_cpu): Likewise.
6214         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6215         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6216         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6217         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6218         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6219         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6220         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6221         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6222         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6223         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6224         Likewise.
6225         * common/config/riscv/riscv-common.c
6226         (riscv_subset_list::parsing_subset_version): Likewise.
6227         (riscv_subset_list::parse_std_ext): Likewise.
6228         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6229         (riscv_subset_list::parse): Likewise.
6230         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6231         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6232         (aarch64_override_options_internal): Likewise.
6233         (aarch64_validate_mcpu): Likewise.
6234         (aarch64_validate_march): Likewise.
6235         (aarch64_validate_mtune): Likewise.
6236         (aarch64_override_options): Likewise.
6237         * config/alpha/alpha.c (alpha_option_override): Likewise.
6238         * config/arc/arc.c (arc_init): Likewise.
6239         (parse_mrgf_banked_regs_option): Likewise.
6240         (arc_override_options): Likewise.
6241         (arc_expand_builtin_aligned): Likewise.
6242         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6243         (arm_expand_builtin): Likewise.
6244         * config/arm/arm.c (arm_option_check_internal): Likewise.
6245         (arm_configure_build_target): Likewise.
6246         (arm_option_override): Likewise.
6247         (arm_options_perform_arch_sanity_checks): Likewise.
6248         (arm_handle_cmse_nonsecure_entry): Likewise.
6249         (arm_handle_cmse_nonsecure_call): Likewise.
6250         (arm_tls_referenced_p): Likewise.
6251         (thumb1_expand_prologue): Likewise.
6252         * config/avr/avr.c (avr_option_override): Likewise.
6253         * config/bfin/bfin.c (bfin_option_override): Likewise.
6254         * config/c6x/c6x.c (c6x_option_override): Likewise.
6255         * config/cr16/cr16.c (cr16_override_options): Likewise.
6256         * config/cris/cris.c (cris_option_override): Likewise.
6257         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6258         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6259         * config/darwin.c (darwin_override_options): Likewise.
6260         * config/frv/frv.c (frv_expand_builtin): Likewise.
6261         * config/h8300/h8300.c (h8300_option_override): Likewise.
6262         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6263         (ix86_option_override_internal): Likewise.
6264         (warn_once_call_ms2sysv_xlogues): Likewise.
6265         (ix86_expand_prologue): Likewise.
6266         (split_stack_prologue_scratch_regno): Likewise.
6267         (ix86_warn_parameter_passing_abi): Likewise.
6268         * config/ia64/ia64.c (fix_range): Likewise.
6269         * config/m68k/m68k.c (m68k_option_override): Likewise.
6270         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6271         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6272         (mips_set_compression_mode): Likewise.
6273         * config/mmix/mmix.c (mmix_option_override): Likewise.
6274         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6275         * config/msp430/msp430.c (msp430_option_override): Likewise.
6276         * config/nds32/nds32.c (nds32_option_override): Likewise.
6277         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6278         (nios2_option_override): Likewise.
6279         (nios2_expand_custom_builtin): Likewise.
6280         * config/nvptx/mkoffload.c (main): Likewise.
6281         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6282         * config/pa/pa.c (fix_range): Likewise.
6283         (pa_option_override): Likewise.
6284         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6285         (riscv_option_override): Likewise.
6286         * config/rl78/rl78.c (rl78_option_override): Likewise.
6287         * config/rs6000/aix61.h: Likewise.
6288         * config/rs6000/aix71.h: Likewise.
6289         * config/rs6000/aix72.h: Likewise.
6290         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6291         * config/rs6000/freebsd64.h: Likewise.
6292         * config/rs6000/linux64.h: Likewise.
6293         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6294         (rs6000_expand_zeroop_builtin): Likewise.
6295         (rs6000_expand_mtfsb_builtin): Likewise.
6296         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6297         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6298         (rs6000_invalid_builtin): Likewise.
6299         (rs6000_expand_split_stack_prologue): Likewise.
6300         * config/rs6000/rtems.h: Likewise.
6301         * config/rx/rx.c (valid_psw_flag): Likewise.
6302         (rx_expand_builtin): Likewise.
6303         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6304         * config/s390/s390.c (s390_expand_builtin): Likewise.
6305         (s390_function_profiler): Likewise.
6306         (s390_option_override_internal): Likewise.
6307         (s390_option_override): Likewise.
6308         * config/sh/sh.c (sh_option_override): Likewise.
6309         (sh_builtin_saveregs): Likewise.
6310         (sh_fix_range): Likewise.
6311         * config/sh/vxworks.h: Likewise.
6312         * config/sparc/sparc.c (sparc_option_override): Likewise.
6313         * config/spu/spu.c (spu_option_override): Likewise.
6314         (fix_range): Likewise.
6315         * config/visium/visium.c (visium_option_override): Likewise.
6316         (visium_handle_interrupt_attr): Likewise.
6317         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6318         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6319         (dbg_cnt_process_opt): Likewise.
6320         * dwarf2out.c (output_dwarf_version): Likewise.
6321         * except.c (expand_eh_return): Likewise.
6322         * gcc.c (defined): Likewise.
6323         (driver_handle_option): Likewise.
6324         (process_command): Likewise.
6325         (compare_files): Likewise.
6326         (driver::prepare_infiles): Likewise.
6327         (driver::do_spec_on_infiles): Likewise.
6328         (driver::maybe_run_linker): Likewise.
6329         * omp-offload.c (oacc_parse_default_dims): Likewise.
6330         * opts-global.c (handle_common_deferred_options): Likewise.
6331         * opts.c (parse_sanitizer_options): Likewise.
6332         (common_handle_option): Likewise.
6333         (enable_warning_as_error): Likewise.
6334         * passes.c (enable_disable_pass): Likewise.
6335         * plugin.c (parse_plugin_arg_opt): Likewise.
6336         (default_plugin_dir_name): Likewise.
6337         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6338         (default_pch_valid_p): Likewise.
6339         * toplev.c (init_asm_output): Likewise.
6340         (process_options): Likewise.
6341         (toplev::run_self_tests): Likewise.
6342         * tree-cfg.c (verify_gimple_call): Likewise.
6343         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6344         (tree_inlinable_function_p): Likewise.
6345         * var-tracking.c (vt_find_locations): Likewise.
6346
6347 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6348
6349         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6350         only on the else branch.
6351
6352 2019-03-11  Martin Liska  <mliska@suse.cz>
6353
6354         * gcov.c (output_intermediate_json_line): Print function
6355         name of each line.
6356         (output_json_intermediate_file): Add new argument.
6357         * doc/gcov.texi: Document the change.
6358
6359 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6360
6361         PR rtl-optimization/89588
6362         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6363         explicit unrolling factor more robust.
6364
6365 2019-03-11  Richard Biener  <rguenther@suse.de>
6366
6367         PR tree-optimization/89649
6368         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6369         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6370         on the prolog and epilog loops.
6371         (vect_loop_versioning): Return copy of loop.
6372         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6373         on the non-vectorized version of the loop.
6374
6375 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6376
6377         PR target/68924
6378         * config/i386/sse.md (*vec_extractv2di_0_sse):
6379         Add (=r,x) alternative and corresponding splitter.
6380
6381 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6382
6383         PR tree-optimization/85762
6384         PR tree-optimization/87008
6385         PR tree-optimization/85459
6386         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6387         it points to if there is a type changing MEM_REF.  Adjust all callers.
6388         (build_accesses_from_assign): Disable total scalarization if
6389         contains_vce_or_bfcref_p returns true through the new parameter, for
6390         both rhs and lhs.
6391
6392 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6393
6394         PR c/88568
6395         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6396         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6397
6398         PR target/79645
6399         * common.opt (fdiagnostics-show-labels,
6400         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6401         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6402         gas-locview-support, ginline-points, ginternal-reset-location-views):
6403         Terminate description text with a dot.
6404         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6405         * config/mcore/mcore.opt (m210, m340): Likewise.
6406         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6407         mnops=): Start description text with a capital letter.
6408         * config/arc/arc.opt (msize-level=): Likewise.
6409         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6410         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6411         mnewlib): Likewise.
6412         * config/ft32/ft32.opt (msim): Likewise.
6413         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6414         (mnodiv, mnopm): Terminate description text with a dot.
6415         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6416         a colon.
6417         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6418         Likewise.
6419         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6420         text.
6421
6422         PR rtl-optimization/89634
6423         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6424         are modified in BB_END (e->src) instruction.
6425
6426 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6427
6428         PR target/79926
6429         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6430         messages more amenable to translation, and improve wording.
6431
6432 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6433
6434         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6435         ud- and du-chains between phases.
6436
6437 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6438
6439         PR debug/89631
6440         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6441         instead of POLY_INT_CST.
6442
6443 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6444
6445         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6446         requirement.
6447
6448 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6449
6450         PR target/68924
6451         PR target/78782
6452         PR target/87558
6453         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6454         (_mm_storeu_si64): Ditto.
6455
6456 2019-03-08  Martin Liska  <mliska@suse.cz>
6457
6458         PR target/86952
6459         * config/i386/i386.c (ix86_option_override_internal): Disable
6460         jump tables when retpolines are used.
6461
6462 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6463
6464         PR go/63560
6465         * ipa-split.c (execute_split_functions): Do not split
6466         'noinline' or 'section' function.
6467
6468 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6469
6470         PR target/79846
6471         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6472         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6473         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6474
6475         PR ipa/80000
6476         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6477         from diagnostics.  Formatting fixes.
6478
6479         PR target/85665
6480         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6481         warn_odr diagnostics.
6482
6483         PR other/80058
6484         * lra-constraints.c (process_alt_operands): Avoid one space before
6485         " at the end of line and another after " on another line in a string
6486         literal.
6487         * attribs.c (handle_dll_attribute): Likewise.
6488         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6489
6490         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6491         warning_at or inform messages in G_() if there is no ?:.
6492
6493         PR tree-optimization/89550
6494         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6495         returned true.  Formatting fixes.
6496         (expand_builtin_strnlen): Formatting fixes.
6497         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6498         if warning_at returned true.
6499         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6500
6501 2019-03-08  Richard Biener  <rguenther@suse.de>
6502
6503         PR middle-end/89578
6504         * cfgloop.h (struct loop): Add owned_clique field.
6505         * cfgloopmanip.c (copy_loop_info): Copy it.
6506         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6507         cliques.
6508         * tree-inline.c (copy_loops): Remap owned_clique.
6509         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6510         * lto-streamer-out.c (output_cfg): Likewise.
6511
6512 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6513
6514         PR target/80190
6515         * config/darwin.c: Include intl.h.
6516         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6517         composing the message out of two separate parts.
6518
6519 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6520
6521         PR target/80003
6522         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6523         doesn't start with a capital letter and doesn't end with a dot.
6524         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6525         with a capital letter.
6526         (ix86_mangle_function_version_assembler_name): Likewise.
6527         (ix86_generate_version_dispatcher_body): Likewise.
6528         (fold_builtin_cpu): Likewise.
6529         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6530         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6531         translators, wrap full type name in %qs.
6532
6533         PR translation/79999
6534         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6535         depend clause with source (or sink) modifier.
6536         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6537
6538         PR target/89602
6539         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6540         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6541         (avx512f_load<mode>_mask): New define_expand.
6542         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6543         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6544         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6545         __builtin_ia32_movess_mask): New builtins.
6546         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6547         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6548         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6549         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6550
6551 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6552
6553         PR lto/87525
6554         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6555         for extern inline functions.
6556
6557 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6558
6559         PR ipa/88235
6560         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6561         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6562         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6563         have multiple callees.  At the end check if declarations match as
6564         opposed to cgraph_nodes.
6565
6566 2019-03-07  Martin Liska  <mliska@suse.cz>
6567
6568         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6569         which is equivalent to searching for this in clones chain.
6570         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6571         names with a neighbour and special case first node in a chain.
6572
6573 2019-01-25  Jason Merrill  <jason@redhat.com>
6574
6575         PR c++/80916 - spurious "static but not defined" warning.
6576         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6577         for an internal symbol with DECL_EXTERNAL.
6578
6579 2019-04-07  Richard Biener  <rguenther@suse.de>
6580
6581         PR middle-end/89618
6582         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6583         * tree-inline.c (copy_loops): Simplify.
6584
6585 2019-03-07  Martin Liska  <mliska@suse.cz>
6586
6587         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6588
6589 2019-03-07  Richard Biener  <rguenther@suse.de>
6590
6591         PR tree-optimization/89595
6592         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6593         stmt iterator as reference, take boolean output parameter to
6594         indicate whether the stmt was removed and thus the iterator
6595         already advanced.
6596         (dom_opt_dom_walker::before_dom_children): Re-iterate over
6597         stmts created by folding.
6598
6599 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6600
6601         PR c++/89585
6602         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
6603         at toplevel.
6604
6605 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
6606
6607         PR rtl-optimization/88845
6608         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
6609         LRA.
6610         * lra.c (remove_scratches_1): New function.
6611         (remove_scratches): Use it.
6612         (lra_emit_move): Likewise.
6613
6614 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
6615
6616         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
6617         unaligned_access variable.
6618         * config/arc/arc.c (arc_override_options): Set unaligned access
6619         default on for HS CPUs.
6620         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
6621
6622 2019-03-06  Martin Liska  <mliska@suse.cz>
6623
6624         PR gcov-profile/89577
6625         * doc/gcov.texi: Prefer to use --coverage.
6626         * doc/sourcebuild.texi: Likewise.
6627
6628 2019-03-02  Jason Merrill  <jason@redhat.com>
6629
6630         PR c++/86485 - -Wmaybe-unused with empty class ?:
6631         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
6632
6633 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6634
6635         PR target/89587
6636         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
6637         if_multiarch.
6638
6639         PR middle-end/89590
6640         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
6641         exactly one argument.
6642
6643 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6644             Richard Sandiford  <richard.sandiford@arm.com>
6645
6646         PR tree-optimization/89570
6647         * match.pd (vec_cond into cond_op simplification): Don't use
6648         get_conditional_internal_fn, use as_internal_fn (cond_op).
6649
6650 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
6651
6652         PR target/89222
6653         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
6654         to decide when to split off a non-zero offset from a symbol.
6655         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
6656         in function symbols.
6657
6658 2019-03-05  Richard Biener  <rguenther@suse.de>
6659
6660         PR tree-optimization/89594
6661         * tree-if-conv.c (pass_if_conversion::execute): Handle
6662         case where .LOOP_VECTORIZED_FUNCTION was removed.
6663
6664 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
6665
6666         PR bootstrap/89560
6667         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
6668         instead alloca it only when needed with the needed size.
6669
6670         PR tree-optimization/89570
6671         * match.pd (vec_cond into cond_op simplification): Guard with
6672         vectorized_internal_fn_supported_p test and #if GIMPLE.
6673
6674         PR tree-optimization/89566
6675         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
6676         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
6677         Punt if get_user_idx_format succeeds, but idx_format argument is
6678         not provided or doesn't have pointer type, or if idx_args is above
6679         number of provided arguments.
6680
6681 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
6682
6683         PR tree-optimization/89437
6684         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
6685
6686 2019-03-04  Richard Biener  <rguenther@suse.de>
6687
6688         PR middle-end/89572
6689         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6690         safe_dyn_cast.
6691
6692 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6693
6694         PR tree-optimization/89487
6695         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6696         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6697         (distribute_loop): Don't do runtime alias check if there is non-
6698         addressable data reference.
6699         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6700         is a register variable.
6701
6702 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6703
6704         PR target/89506
6705         * config/arm/arm.md (cmpsi2_addneg): Use
6706         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6707         If operands[2] is 0 or INT_MIN, force use of subs.
6708         (*compare_scc splitter): Use gen_int_mode.
6709         (*negscc): Likewise.
6710         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6711
6712 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6713             Monk Chiang  <sh.chiang04@gmail.com>
6714
6715         * common/config/riscv/riscv-common.c: Include sstream.
6716         (riscv_subset_list::to_string): New.
6717         (riscv_arch_str): Likewise.
6718         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6719         * config.in: Regen.
6720         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6721         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6722         (riscv_emit_attribute): New.
6723         (riscv_file_start): Emit attribute if needed.
6724         (riscv_option_override): Init riscv_emit_attribute_p.
6725         * config/riscv/riscv.opt (mriscv-attribute): New option.
6726         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6727         * configure: Regen.
6728         * doc/install.texi: Document --with-riscv-attribute.
6729         * doc/invoke.texi: Document -mriscv-attribute.
6730
6731         * common/config/riscv/riscv-common.c:
6732         Include config/riscv/riscv-protos.h.
6733         (INCLUDE_STRING): Defined.
6734         (RISCV_DONT_CARE_VERSION): Defined.
6735         (riscv_subset_t): Declare.
6736         (riscv_subset_t::riscv_subset_t): New.
6737         (riscv_subset_list): Declare.
6738         (riscv_subset_list::riscv_subset_list): New.
6739         (riscv_subset_list::~riscv_subset_list): Likewise.
6740         (riscv_subset_list::parsing_subset_version): Likewise.
6741         (riscv_subset_list::parse_std_ext): Likewise.
6742         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6743         (riscv_subset_list::add): Likewise.
6744         (riscv_subset_list::lookup): Likewise.
6745         (riscv_subset_list::xlen): Likewise.
6746         (riscv_subset_list::parse): Likewise.
6747         (riscv_supported_std_ext): Likewise.
6748         (current_subset_list): Likewise.
6749         (riscv_parse_arch_string): Using riscv_subset_list::parse to
6750         parse.
6751
6752 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
6753
6754         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6755         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6756         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6757
6758 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
6759
6760         PR rtl-optimization/85899
6761         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6762         fallthru edges leading to the exit block.
6763
6764 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
6765
6766         PR target/89517
6767         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6768         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6769
6770 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
6771
6772         PR tree-optimization/89535
6773         * tree-vect-stmts.c (vectorizable_call): Record the vector types
6774         for each operand.  Calculate the fallback choice for mask operands
6775         and pass it to vect_get_vec_def_for_operand.
6776
6777 2019-03-01  Richard Biener  <rguenther@suse.de>
6778
6779         PR middle-end/89541
6780         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6781         get virtual operands.
6782         (get_expr_operands): Handle CONST_DECL like other decls.
6783
6784 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6785
6786         PR middle-end/89503
6787         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6788         on DECL_P and EXPR_P.
6789
6790 2019-03-01  Richard Biener  <rguenther@suse.de>
6791
6792         PR middle-end/89497
6793         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6794         argument, defaulted to zero.
6795         * passes.c (execute_function_todo): Pass down SSA update flags
6796         to cleanup_tree_cfg.
6797         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6798         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6799         form if requested.
6800         (cleanup_tree_cfg): Get and pass down SSA update flags.
6801
6802 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6803
6804         PR bootstrap/89539
6805         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6806         early_lto_debug argument.
6807
6808 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6809
6810         PR tree-optimization/89536
6811         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6812         only whether bit #0 of the value is 0 instead of the entire value.
6813
6814 2019-02-28  Marek Polacek  <polacek@redhat.com>
6815
6816         PR c++/87068 - missing diagnostic with fallthrough statement.
6817         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6818         at the end of a seq, save its location to walk_stmt_info.
6819         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6820         a switch.
6821
6822 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6823
6824         PR lto/88585
6825         * tree.c (find_atomic_core_type): Move ahead in file.
6826         (check_base_type): Correctly compare alignments of atomic types.
6827
6828 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6829
6830         PR target/89455
6831         * config/i386/i386.c (get_builtin_code_for_version): Identify
6832         Westmere from PCLMUL, instead of AES.
6833
6834 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6835
6836         PR target/89434
6837         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6838         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6839         -UINTVAL (...).
6840
6841 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6842
6843         PR target/88530
6844         * config/aarch64/aarch64-option-extensions.def: Document it.
6845         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6846         if empty hwcaps.
6847
6848 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6849
6850         PR c/89520
6851         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6852         builtins if they don't have a single scalar floating point argument.
6853         Formatting fixes.
6854
6855 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6856
6857         PR rtl-optimization/89490
6858         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6859         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6860         block section is not mergeable.
6861
6862 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6863
6864         PR target/70341
6865         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6866         old define_insn to ...
6867         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6868         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6869         Rename old define_insn to ...
6870         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6871         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6872         define_insn to ...
6873         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6874         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6875         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6876
6877 2019-02-27  Richard Biener  <rguenther@suse.de>
6878
6879         PR debug/88878
6880         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6881
6882 2019-02-27  Richard Biener  <rguenther@suse.de>
6883
6884         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6885         building.
6886
6887 2019-02-27  Richard Biener  <rguenther@suse.de>
6888
6889         PR debug/88878
6890         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6891         parameter, prefix section name with .gnu.debuglto_ if true.
6892         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6893         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6894
6895 2019-02-27  Richard Biener  <rguenther@suse.de>
6896
6897         PR debug/89514
6898         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6899         rather than on use_debug_types, doing what output_die does.
6900         (value_format): Likewise.
6901
6902 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6903             Martin Sebor  <msebor@redhat.com>
6904
6905         * doc/invoke.texi (Warning Options): Reword description of
6906         -Wno-absolute-value.
6907
6908 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6909
6910         PR tree-optimization/89280
6911         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6912         builtin_setjmp_setup_bb): New functions.
6913         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6914         When visiting __builtin_setjmp_setup block, queue in special
6915         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6916         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6917         from visited after the loop if they don't have any visited successor
6918         blocks.
6919
6920 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6921
6922         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6923         New function.
6924         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6925
6926 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR c++/89507
6929         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6930         with types other than sizetype/ssizetype.
6931
6932 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6933
6934         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6935         (enum sparc_processor_type): ...this.
6936         (enum sparc_code_model_type): New enumeration type.
6937         (enum sparc_memory_model_type): Tweak comments.
6938         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6939         (mtune): Likewise.
6940         (mcmodel): Use sparc_code_model enumeration and variable.
6941         (sparc_code_model): New enumeration.
6942         (mdebug): Add Undocumented marker.
6943         * config/sparc/sparc.h (enum cmodel): Delete.
6944         (sparc_cmodel): Likewise.
6945         (TARGET_CM_MEDLOW): Adjust to above renaming.
6946         (TARGET_CM_MEDMID): Likewise.
6947         (TARGET_CM_MEDANY): Likewise.
6948         (TARGET_CM_EMBMEDANY): Likewise.
6949         * config/sparc/sparc.c (sparc_cmodel): Delete.
6950         (sparc_option_override): Remove string/value mapping support for the
6951         code model.  Move code and memory model support to after the handling
6952         of target flags.  Do private machine setup last.
6953         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6954         (sparc_legitimize_reload_address): Likewise.
6955         (sparc_output_mi_thunk): Likewise.
6956         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6957
6958 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6959
6960         PR tree-optimization/89500
6961         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6962         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6963         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6964         cst if the first cst bytes starting at x are known to be non-zero,
6965         even if the string is not zero terminated.  Don't try to modify
6966         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6967         we can prove strnlen returns the same value as strlen would.
6968
6969 2019-02-26  Martin Liska  <mliska@suse.cz>
6970
6971         * alloc-pool.h (struct pool_usage): Remove extra
6972         print_dash_line.
6973         * bitmap.h (struct bitmap_usage): Likewise.
6974         * ggc-common.c (struct ggc_usage): Likewise.
6975         * mem-stats.h (struct mem_usage): Likewise.
6976         (mem_alloc_description::dump): Print dash lines
6977         here and repeat header at the end of a table report.
6978         It's then more readable.
6979         * tree-phinodes.c (phinodes_print_statistics): Make
6980         horizontal alignment.
6981         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6982         * vec.c (struct vec_usage): Remove extra print_dash_line.
6983         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6984
6985 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6986
6987         * doc/extend.texi (__builtin_object_size):
6988         Use @pxref instead of @xref inside parenthesis.
6989         (__builtin_has_attribute): Add missing comma after @xref.
6990         (__builtin_object_size): Ditto.
6991         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6992         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6993         in the list.
6994
6995 2019-02-26  Jeff Law  <law@redhat.com>
6996
6997         PR rtl-optimization/87761
6998         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6999         detect obviously dead insns and delete them.
7000
7001 2019-02-26  Richard Biener  <rguenther@suse.de>
7002
7003         PR tree-optimization/89505
7004         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7005         to handle restrict pointed-to vars with multiple subvars
7006         correctly.
7007
7008 2019-02-26  Richard Biener  <rguenther@suse.de>
7009
7010         PR tree-optimization/89489
7011         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7012
7013 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7014
7015         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7016         and move around comment.
7017         <BIT_AND_EXPR>: Likewise.
7018         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7019
7020 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7021
7022         PR target/89474
7023         * config/i386/i386.c (remove_partial_avx_dependency): Call
7024         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7025         after changing possibly many instructions to use that pseudo.  Fix up
7026         insertion of v4sf_const0 setter at the start of bb.
7027
7028 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7029
7030         PR c/80409
7031         * doc/extend.texi (Variadic Pointer Args): New section.
7032
7033 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7034             Martin Sebor  <msebor@gmail.com>
7035
7036         * common.opt (Wattribute-alias): Likewise.
7037         * doc/invoke.texi (Option Summary): List general form of
7038         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7039         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7040         Add cross-references.
7041         (-Wattribute-alias): Rewrite and correct default.  Mention
7042         considered attributes (same as for -Wmissing-attributes).
7043
7044 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7045
7046         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7047         (_mm_cvtpd_ps): Likewise.
7048         (_mm_cvttpd_epi32): Likewise.
7049
7050         PR target/89338
7051         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7052         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7053
7054         PR target/89339
7055         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7056
7057 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7058
7059         PR target/88530
7060         * common/config/aarch64/aarch64-common.c
7061         (struct aarch64_option_extension): Add is_synthetic.
7062         (all_extensions): Use it.
7063         (TARGET_OPTION_INIT_STRUCT): Define hook.
7064         (struct gcc_targetm_common): Moved to end.
7065         (all_extensions_by_on): New.
7066         (opt_ext_cmp, typedef opt_ext): New.
7067         (aarch64_option_init_struct): New.
7068         (aarch64_contains_opt): New.
7069         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7070         * config/aarch64/aarch64-option-extensions.def
7071         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7072         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7073         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7074         Set is_synthetic to false.
7075         (crypto): Set is_synthetic to true.
7076         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7077         SYNTHETIC.
7078
7079 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7080
7081         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7082         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7083         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7084         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7085         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7086         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7087         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7088         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7089         Rename ...
7090         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7091         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7092         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7093         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7094         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7095         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7096         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7097         vfmlsl_laneq_high_f16): ... To this.
7098         * config/arm/neon.md: Update comments.
7099
7100 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7101
7102         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7103         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7104         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7105         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7106         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7107         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7108         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7109         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7110         Rename ...
7111         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7112         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7113         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7114         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7115         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7116         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7117         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7118         vfmlslq_laneq_high_f16): ... To this.
7119
7120 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7121
7122         PR rtl-optimization/86096
7123         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7124         comparing mw_order values.
7125
7126 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7127
7128         PR target/89434
7129         * config/arm/arm.md (*subsi3_carryin_const): Use
7130         arm_neg_immediate_operand predicate instead of
7131         arm_not_immediate_operand, "L" constraint instead of "K" and
7132         print it using %n2 instead of %B2.
7133         (*subsi3_carryin_const0): New define_insn.
7134         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7135         instead of arm_not_operand and "I" constraint instead of "K" and
7136         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7137         another match_operand and in the condition check that it is negation
7138         of operands[2].
7139         (*subsi3_carryin_compare_const0): New define_ins.
7140         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7141         *subsi3_carryin_const.
7142         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7143         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7144
7145         PR target/89438
7146         * config/arm.vfp.md (*negdf2_vfp): Use
7147         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7148         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7149
7150 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7151
7152         PR rtl-optimization/89445
7153         * simplify-rtx.c (simplify_ternary_operation): Don't use
7154         simplify_merge_mask on operands that may trap.
7155         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7156         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7157         second operand is CONST_VECTOR, check if any element could be zero.
7158         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7159         their operands can trap.
7160
7161 2019-02-23  Martin Sebor  <msebor@redhat.com>
7162
7163         * gimple-ssa-sprintf.c (target_strtol): Rename...
7164         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7165         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7166         check for range error.
7167
7168 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7169
7170         PR driver/69471
7171         * opts-common.c (prune_options): Also prune joined switches
7172         with Negative and RejectNegative.
7173         * config/i386/i386.opt (march=): Add Negative(march=).
7174         (mtune=): Add Negative(mtune=).
7175         * doc/options.texi: Document Negative used together with Joined
7176         and RejectNegative.
7177
7178 2019-02-22  Martin Sebor  <msebor@redhat.com>
7179
7180         * doc/extend.texi (Other Builtins): Add
7181         __builtin_is_constant_evaluated.
7182
7183 2019-02-22  Richard Biener  <rguenther@suse.de>
7184
7185         PR tree-optimization/87609
7186         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7187
7188 2019-02-22  Jeff Law  <law@redhat.com>
7189
7190         PR rtl-optimization/87761
7191         * config/mips/mips.md: Add new combiner pattern to recognize
7192         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7193
7194 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7195
7196         PR target/89324
7197         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7198         destination register in peepholes generating patterns for ADDS/SUBS.
7199         (add<mode>3_compare0,
7200         *addsi3_compare0_uxtw, add<mode>3_compareC,
7201         add<mode>3_compareV_imm, add<mode>3_compareV,
7202         *adds_<optab><ALLX:mode>_<GPI:mode>,
7203         *subs_<optab><ALLX:mode>_<GPI:mode>,
7204         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7205         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7206         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7207         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7208         sub<mode>3_compare1): Allow stack pointer for source register.
7209         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7210
7211 2019-02-22  Martin Sebor  <msebor@redhat.com>
7212
7213         PR tree-optimization/88993
7214         PR tree-optimization/88853
7215         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7216         New helper.
7217         (sprintf_dom_walker::call_info::is_string_func): New helper.
7218         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7219         for formatted string functions.
7220         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7221
7222 2019-02-22  Martin Sebor  <msebor@redhat.com>
7223
7224         PR c/89425
7225         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7226         unreachable subexpressions.
7227
7228 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7229             Hongtao Liu  <hongtao.liu@intel.com>
7230             Sunil K Pandey  <sunil.k.pandey@intel.com>
7231
7232         PR target/87007
7233         * config/i386/i386-passes.def: Add
7234         pass_remove_partial_avx_dependency.
7235         * config/i386/i386-protos.h
7236         (make_pass_remove_partial_avx_dependency): New.
7237         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7238         New function.
7239         (pass_data_remove_partial_avx_dependency): New.
7240         (pass_remove_partial_avx_dependency): Likewise.
7241         (make_pass_remove_partial_avx_dependency): Likewise.
7242         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7243         (*extendsfdf2): Add avx_partial_xmm_update.
7244         (truncdfsf2): Likewise.
7245         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7246         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7247
7248 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7249
7250         PR middle-end/85598
7251         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7252         analysis for pass.
7253
7254 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7255
7256         PR target/89444
7257         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7258         (PTA_SKYLAKE): Add PTA_AES.
7259         (PTA_GOLDMONT): Likewise.
7260
7261 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7262
7263         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7264         instruction if enabled.
7265         (aarch64_override_options): Remove reference to return address key.
7266
7267 2019-02-22  Richard Biener  <rguenther@suse.de>
7268
7269         PR tree-optimization/89440
7270         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7271         not necessary assert.
7272
7273 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7274
7275         PR fortran/72741
7276         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7277         (oacc_replace_fn_attrib_attr): ... this new function.
7278         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7279         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7280
7281 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7282
7283         * config/arm/arm-cpus.in (ares): Rename to...
7284         (neoverse-n1): ... This.  Add ares as alias.
7285         * config/arm/arm-tables.opt: Regenerate.
7286         * config/arm/arm-tune.md: Likewise.
7287         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7288
7289 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7290
7291         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7292         * config/aarch64/aarch64-tune.md: Regenerate.
7293         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7294
7295 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7296
7297         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7298         (neoversen1_tunings): ... This.
7299         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7300         (neoverse-n1): New CPU.
7301         * config/aarch64/aarch64-tune.md: Regenerate.
7302         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7303
7304 2019-02-22  Richard Biener  <rguenther@suse.de>
7305
7306         PR middle-end/87609
7307         * cfghooks.h (dependence_hash): New typedef.
7308         (struct copy_bb_data): New type.
7309         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7310         (duplicate_block): Likewise.
7311         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7312         (copy_bbs): Create and pass down copy_bb_data.
7313         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7314         (rtl_duplicate_bb): Likewise.
7315         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7316         remap dependence info.
7317
7318 2019-02-22  Richard Biener  <rguenther@suse.de>
7319
7320         PR tree-optimization/87609
7321         * tree-core.h (tree_base): Document special clique values.
7322         * tree-inline.c (remap_dependence_clique): Do not use the
7323         special clique value of one.
7324         (maybe_set_dependence_info): Use clique one.
7325         (clear_dependence_clique): New callback.
7326         (compute_dependence_clique): Clear clique one from all refs
7327         before assigning it (again).
7328
7329 2019-02-21  Martin Sebor  <msebor@redhat.com>
7330
7331         * doc/extend.texi (__clear_cache): Correct signature.
7332
7333 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7334
7335         PR go/89170
7336         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7337         than output_constant_def.
7338         (add_constant_to_table): New static function.
7339         (output_constant_def): Call add_constant_to_table.
7340         (tree_output_constant_def): Likewise.
7341
7342 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7343
7344         PR c++/89285
7345         * builtins.c (fold_builtin_arith_overflow): If first two args are
7346         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7347         to ifn.
7348
7349 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7350
7351         PR target/87412
7352         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7353         error for -mindirect-branch/-mfunction-return with incompatible
7354         -fcf-protection.
7355
7356 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7357
7358         PR bootstrap/88714
7359         * constraints.md (q): Remove.
7360         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7361         instead of q.
7362
7363 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7364
7365         PR hsa/89302
7366         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7367         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7368         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7369         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7370         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7371         proper values to new parameters of omp_adjust_for_condition.
7372
7373 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7374
7375         PR middle-end/89412
7376         * expr.c (expand_assignment): If result is a MEM, use change_address
7377         instead of simplify_gen_subreg.
7378
7379 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7380             David Malcolm  <dmalcolm@redhat.com>
7381
7382         PR middle-end/89091
7383         * fold-const.c (decode_field_reference): Return NULL_TREE if
7384         lang_hooks.types.type_for_size returns NULL.  Check it before
7385         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7386
7387 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7388
7389         PR middle-end/88074
7390         PR middle-end/89415
7391         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7392         buggy mpc_norm.
7393
7394 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7395
7396         PR target/89397
7397         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7398         TARGET_SSE in addition to TARGET_SSE_MATH.
7399
7400         (ix86_excess_precision): Ditto.
7401         (ix86_float_exceptions_rounding_supported_p): Ditto.
7402         (use_rsqrt_p): Ditto.
7403         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7404
7405 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7406
7407         PR c/89410
7408         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7409         linenum_arith_t when determining if two adjacent line spans are
7410         close enough to merge.
7411         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7412         lines within each line_span.
7413
7414 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7415
7416         PR target/86487
7417         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7418         paradoxical SUBREGS.
7419
7420 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7421
7422         PR target/88100
7423         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7424         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7425         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7426         range checking it.
7427
7428 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7429
7430         * config/gcn/gcn.c (print_operand): Fix typo.
7431
7432 2019-02-19  Richard Biener  <rguenther@suse.de>
7433
7434         PR middle-end/88074
7435         * toplev.c (do_compile): Initialize mpfr's exponent range
7436         based on available float modes.
7437
7438 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7439
7440         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7441         as long as the epilogue isn't completed.
7442
7443 2019-02-18  Martin Sebor  <msebor@redhat.com>
7444
7445         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7446         __has_cpp_attribute, and __has_include.
7447
7448 2019-02-18  Martin Sebor  <msebor@redhat.com>
7449
7450         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7451
7452 2019-02-18  Martin Sebor  <msebor@redhat.com>
7453
7454         PR middle-end/89294
7455         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7456         expression.
7457         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7458
7459 2019-02-18  Richard Biener  <rguenther@suse.de>
7460
7461         PR tree-optimization/89296
7462         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7463         of no-warning flag to cases that might emit the bogus warning.
7464
7465 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7466
7467         PR bootstrap/88714
7468         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7469         "q" constraint.
7470         * config/arm/vfp.md (*movdi_vfp): Likewise.
7471         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7472         "q" constraint for operands[0].
7473
7474         PR target/89369
7475         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7476         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7477         pattern in a temporary buffer.
7478         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7479         than 64-operands[2].
7480
7481         PR target/89361
7482         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7483         s390_indirect_branch_settings): Define unconditionally.
7484         (s390_set_current_function): Likewise, but guard the whole body except
7485         the s390_indirect_branch_settings call with
7486         #if S390_USE_TARGET_ATTRIBUTE.
7487         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7488
7489         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7490         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7491         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7492         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7493         HOST_WIDE_INT_1U instead of 1ULL.
7494         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7495         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7496         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7497         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7498         instead of 1UL.
7499         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7500         instead of 1ul.
7501
7502 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7503
7504         PR tree-optimization/89209
7505         * tree-sra.c (create_access_replacement): New optional parameter
7506         reg_tree.  Use it as a type if non-NULL and access type is not of
7507         a register type.
7508         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7509         to create_access_replacement.
7510         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7511         Check lacc is non-NULL before attempting to re-create it on the RHS.
7512
7513 2019-02-18  Martin Liska  <mliska@suse.cz>
7514
7515         PR ipa/89306
7516         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7517         by default.
7518         (symbol_table::free_edge): Recycle m_summary_id.
7519         * cgraph.h (get_summary_id): New.
7520         (symbol_table::release_symbol): Set m_summary_id to -1
7521         by default.
7522         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7523         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7524         function_summary to fast_function_summary.
7525         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7526         * ipa-pure-const.c (class funct_state_summary_t):
7527         Switch from function_summary to fast_function_summary.
7528         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7529         (class ipa_ref_opt_summary_t): Switch from function_summary
7530         to fast_function_summary.
7531         * symbol-summary.h (class function_summary_base): New class
7532         that is created from base of former function_summary.
7533         (function_summary_base::unregister_hooks): New.
7534         (class function_summary): Inherit from function_summary_base.
7535         (class call_summary_base): New class
7536         that is created from base of former call_summary.
7537         (class call_summary): Inherit from call_summary_base.
7538         (struct is_same): New.
7539         (class fast_function_summary): New summary class.
7540         (class fast_call_summary): New summary class.
7541         * vec.h (vec_safe_grow_cleared): New function.
7542
7543 2019-02-18  Martin Liska  <mliska@suse.cz>
7544
7545         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7546         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7547         * doc/tm.texi: Document new target hook.
7548         * doc/tm.texi.in: Likewise.
7549         * target.def: Add new target macro.
7550         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7551         suffixes.
7552
7553 2019-02-17  Alan Modra  <amodra@gmail.com>
7554
7555         PR target/89271
7556         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7557         output reg on add insn.
7558         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7559
7560 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7561
7562         PR target/89372
7563         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7564         (PMULHRSW): Likewise.
7565         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7566         TARGET_AVX2.
7567         (ssse3_pmulhrswv4hi3): New expander.
7568
7569 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7570
7571         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7572         MMX.  Add isa attribute.
7573
7574 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7575
7576         PR rtl-optimization/66152
7577         * builtins.h (c_readstr): Declare.
7578         * builtins.c (c_readstr): Remove forward declaration.  Add
7579         null_terminated_p argument, if false, read all bytes from the
7580         string instead of stopping after '\0'.
7581         * expr.c (string_cst_read_str): New function.
7582         (store_expr): Use string_cst_read_str instead of
7583         builtin_strncpy_read_str.  Try to store by pieces the whole
7584         exp_len first, and only if that fails, split it up into
7585         store by pieces followed by clear_storage.  Formatting fix.
7586
7587         * config/i386/i386.md (*movqi_internal): Remove static from
7588         buf variable.  Use output_asm_insn (buf, operands); return "";
7589         instead of return buf;.
7590         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7591         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7592         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7593
7594 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7595
7596         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
7597         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
7598         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
7599         (CC1_SPEC): Likewise.
7600         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
7601
7602 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7603
7604         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
7605         the base address on 64-bit strict-alignment platforms.
7606
7607 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7608
7609         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
7610
7611 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7612
7613         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
7614
7615 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
7616
7617         PR rtl-optimization/88308
7618         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
7619         on copied instruction.
7620
7621 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7622
7623         * final.c (insn_current_reference_address): Replace test on JUMP_P
7624         with test on jump_to_label_p.
7625         * config/visium/visium-passes.def: New file.
7626         * config/visium/t-visium (PASSES_EXTRA): Define.
7627         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
7628         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
7629         (TRAMPOLINE_ALIGNMENT): Define.
7630         * config/visium/visium.c (visium_option_override): Do not register
7631         the machine-specific reorg pass here.
7632         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
7633         for the GR6.
7634         (output_branch): Adjust threshold for long branch instruction.
7635         * config/visium/visium.md (cpu): Move around.
7636         (length): Adjust for the GR6.
7637
7638 2019-02-15  Richard Biener  <rguenther@suse.de>
7639             Jakub Jelinek  <jakub@redhat.com>
7640
7641         PR tree-optimization/89278
7642         * tree-loop-distribution.c: Include tree-eh.h.
7643         (generate_memset_builtin, generate_memcpy_builtin): Call
7644         rewrite_to_non_trapping_overflow on builtin->size before passing it
7645         to force_gimple_operand_gsi.
7646
7647 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
7648
7649         PR other/89342
7650         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
7651         optimize_debug.
7652         * opth-gen.awk: Likewise.
7653
7654 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
7655
7656         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
7657         Enable MMX, SSE and SSE2 by default.
7658         * config/i386/i386.c (ix86_option_override_internal): Do not
7659         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
7660
7661 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7662
7663         PR rtl-optimization/89354
7664         * combine.c (make_extraction): Punt if extraction_mode is narrower
7665         than len bits.
7666
7667 2019-02-14  Maya Rashish  <coypu@sdf.org>
7668
7669         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
7670         * config/netbsd-d.c: New file.
7671         * config/t-netbsd: Add netbsd-d.o
7672
7673 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
7674
7675         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
7676         affects_type_identity to true for aarch64_vector_pcs.
7677         (aarch64_comp_type_attributes): New function.
7678         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
7679
7680 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
7681
7682         PR target/88850
7683         * config/arm/iterators.md (ANY64): Add V4HF.
7684
7685 2019-02-14  Martin Liska  <mliska@suse.cz>
7686
7687         PR rtl-optimization/89242
7688         * dce.c (delete_unmarked_insns): Call free_dominance_info we
7689         process a transformation.
7690
7691 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7692
7693         PR tree-optimization/89314
7694         * fold-const.c (fold_binary_loc): Cast strlen argument to
7695         const char * before dereferencing it.  Formatting fixes.
7696
7697         PR middle-end/89284
7698         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7699
7700 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7701
7702         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7703         and set current index for other optimizations.
7704
7705 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7706
7707         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7708         nonimmediate_operand as operand 2 predicate.
7709         (vec_set<VF2_512_256:mode>_0): Ditto.
7710         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7711         (*vec_concatv2si): Remove alternative 2.
7712         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7713         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7714         (vec_concatv2di): Split alternatives 4,5,6 to ...
7715         (*vec_concatv2di_0) ... new pattern.
7716
7717 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7718
7719         PR target/89190
7720         * config/arm/arm.c (ldm_stm_operation_p) Set
7721         addr_reg_in_reglist correctly for first register.
7722         (load_multiple_sequence): Remove dead base check.
7723         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7724
7725 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7726
7727         PR target/88847
7728         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7729         Expose as @aarch64_pred_mov.
7730         * config/aarch64/aarch64.c (aarch64_classify_address):
7731         Use expand_insn which legitimizes operands.
7732
7733 2019-02-13  Martin Liska  <mliska@suse.cz>
7734
7735         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7736         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7737         and pointer_offset fields.
7738         (initialize_argument_information): Remove usage of dead
7739         fields.
7740         * cgraph.h (struct cgraph_thunk_info): Remove
7741         add_pointer_bounds_args.
7742         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7743         fields.
7744         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7745         fields.
7746         * config/i386/i386.c (ix86_function_arg_advance): Remove
7747         unrelated comment.
7748         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7749         (def_builtin):  Remove usage of dead
7750         fields.
7751         (ix86_add_new_builtins): Likewise.
7752         * ipa-fnsummary.c (compute_fn_summary): Likewise.
7753         * ipa-icf.c (sem_function::equals_wpa): Likewise.
7754         (sem_function::init): Likewise.
7755         (sem_variable::merge): Likewise.
7756         * ipa-visibility.c (function_and_variable_visibility): Likewise.
7757         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7758         * lto-cgraph.c (lto_output_node): Likewise.
7759         (lto_output_varpool_node): Likewise.
7760         (input_node): Likewise.
7761         (input_varpool_node): Likewise.
7762         * lto-streamer-out.c (lto_output): Likewise.
7763         * tree-inline.c (expand_call_inline): Remove usage of
7764         assign_stmts.
7765         * tree-inline.h (struct copy_body_data): Likewise.
7766         * varpool.c (varpool_node::dump): Likewise.
7767
7768 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
7769
7770         PR middle-end/89303
7771         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7772         into pt->vars_contains_escaped_heap instead of setting
7773         pt->vars_contains_escaped_heap to it.
7774
7775         PR middle-end/89281
7776         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7777         INTVAL (size), compare it to GET_MODE_MASK instead of
7778         1 << GET_MODE_BITSIZE.
7779
7780         PR target/89290
7781         * config/i386/predicates.md (x86_64_immediate_operand): Allow
7782         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7783         -mcmodel=large.
7784
7785 2019-02-13  Martin Liska  <mliska@suse.cz>
7786
7787         PR lto/88858
7788         * cfgrtl.c (remove_barriers_from_footer): New function.
7789         (try_redirect_by_replacing_jump): Use it.
7790         (cfg_layout_redirect_edge_and_branch): Likewise.
7791
7792 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7793
7794         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7795         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7796         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7797         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7798         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7799         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7800         New BU_CRYPTO_2.
7801         * config/rs6000/rs6000.c (builtin_function_type)
7802         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7803         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7804         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7805         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7806         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7807
7808 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
7809
7810         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7811         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7812
7813 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7814
7815         PR target/89229
7816         * config/i386/i386.md (*movoi_internal_avx): Revert revision
7817         268678 and revision 268657.
7818         (*movti_internal): Likewise.
7819
7820 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7821
7822         PR target/89233
7823         * config/s390/s390.c (s390_decompose_address): Update comment.
7824         (s390_check_qrst_address): Reject invalid address forms after
7825         LRA.
7826
7827 2019-02-12  Martin Liska  <mliska@suse.cz>
7828
7829         PR lto/88876
7830         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7831         we need default values of funct_state for a function that
7832         is not optimized.
7833
7834 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7835
7836         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7837         the object to pick the size of stores on strict-alignment platforms.
7838
7839         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7840         (*movdi_insn_sp32): Likewise.
7841         (*movdi_insn_sp64): Likewise.
7842
7843 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7844
7845         PR lto/88677
7846         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7847         types that needs constructiong.
7848         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7849
7850 2019-02-12  Richard Biener  <rguenther@suse.de>
7851
7852         PR tree-optimization/89253
7853         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7854         duplicate the loop.
7855
7856 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7857
7858         PR lto/88147
7859         * input.c (selftest::test_line_offset_overflow): New selftest.
7860         (selftest::input_c_tests): Call it.
7861
7862 2019-02-11  Martin Sebor  <msebor@redhat.com>
7863
7864         PR tree-optimization/88771
7865         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7866         when -Wstringop-overflow is set.
7867         (builtin_memref::builtin_memref): Adjust excessive upper bound
7868         only when lower bound is not excessive.
7869         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7870         -Wstringop-ovefflow.
7871         (maybe_diag_offset_bounds): Rename...
7872         (maybe_diag_access_bounds): ...to this.
7873         (check_bounds_or_overlap): Adjust for name change above.
7874
7875 2019-02-11  Martin Sebor  <msebor@redhat.com>
7876
7877         PR c++/87996
7878         * builtins.c (max_object_size): Move from here...
7879         * builtins.h (max_object_size): ...and here...
7880         * tree.c (max_object_size): ...to here...
7881         * tree.h (max_object_size): ...and here.
7882
7883 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7884
7885         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7886         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7887         for correct semantics.
7888
7889 2019-02-11  Alan Modra  <amodra@gmail.com>
7890
7891         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7892         -mlongcall and -mpltseq.
7893         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7894         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7895         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7896         * config/rs6000/sysv4.opt (mpltseq): New option.
7897         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7898         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7899         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7900         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7901         -mpltseq given for ELFv1.
7902         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7903         Only use UNSPEC_PLTSEQ for inline PLT calls.
7904         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7905         use UNSPEC_PLTSEQ for inline PLT calls.
7906         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7907         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7908         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7909         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7910         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7911         (pltseq_mtctr_<mode>): Likewise.
7912
7913 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7914
7915         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7916         Solaris ld.
7917         * configure: Regenerate.
7918
7919 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7920
7921         PR bootstrap/88714
7922         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7923         instead of r.
7924
7925 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7926
7927         * function.c (assign_parm_setup_block): Use the stored
7928         size, not the passed size, when allocating stack-space,
7929         also for a parameter with alignment larger than
7930         MAX_SUPPORTED_STACK_ALIGNMENT.
7931
7932 2019-02-11  Martin Liska  <mliska@suse.cz>
7933
7934         PR ipa/89009
7935         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7936         * ipa-inline.c (inline_small_functions): Likewise.
7937         * ipa-pure-const.c (propagate_pure_const): Likewise.
7938         (propagate_nothrow): Likewise.
7939         * ipa-reference.c (propagate): Likewise.
7940         * ipa-utils.c (struct searchc_env): Remove unused field.
7941         (searchc): Always search across AVAIL_INTERPOSABLE.
7942         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7943         the only called IPA pure const can properly not propagate
7944         across interposable boundary.
7945         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7946
7947 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7948
7949         * config/nds32/nds32.md (call_internal, call_value_internal,
7950         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7951
7952 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7953
7954         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7955         typo.
7956
7957 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7958
7959         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7960         in comments
7961
7962 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7963
7964         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7965
7966 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7967
7968         PR tree-optimization/89268
7969         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7970         if preds is non-NULL.
7971
7972 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7973
7974         PR lto/89272
7975         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7976         polymorphic types.
7977
7978 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7979
7980         * config/nds32/nds32.md (trap): New pattern.
7981
7982 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7983
7984         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7985         dwarf span.
7986
7987 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7988
7989         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7990         to split POST_INC.
7991
7992 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7993
7994         * ipa-visibility.c (localize_node): Also do not localize
7995         LDPR_PREVAILING_DEF_IRONLY_EXP.
7996
7997 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7998
7999         PR lto/87957
8000         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8001         instead of type_with_linkage.
8002
8003 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8004
8005         PR ipa/88755
8006         * params.def (uninlined-function-insns, uninlined-function-time,
8007         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8008         bound so we don't get overflows.
8009
8010 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8011
8012         * config/rs6000/rs6000-string.c (expand_compare_loop,
8013         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8014         memcmp/strncmp.
8015
8016 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8017
8018         PR middle-end/89246
8019         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8020         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8021         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8022
8023 2019-02-09  Alan Modra  <amodra@gmail.com>
8024
8025         PR target/88343
8026         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8027         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8028         setup.
8029
8030 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8031
8032         PR middle-end/88560
8033         * lra-constraints.c (process_alt_operands): Don't increase reject
8034         for memory when offset memory is required.
8035
8036 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8037
8038         * config/s390/vector.md: Implement vector copysign.
8039
8040 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8041
8042         * expr.c (expand_constructor): Correct indentations.
8043
8044 2019-02-08  Richard Biener  <rguenther@suse.de>
8045
8046         PR tree-optimization/89247
8047         * tree-if-conv.c: Include tree-cfgcleanup.h.
8048         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8049         (tree_if_conversion): Pass through predicate vector.
8050         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8051         inline, see if any if-converted loops we refrece in
8052         LOOP_VECTORIZED calls vanished and fixup.
8053         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8054
8055 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8056
8057         * config/s390/constraints.md (jdd): New constraint.
8058
8059 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8060
8061         PR target/89229
8062         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8063         upper 16 vector registers without TARGET_AVX512VL.
8064         (*movti_internal): Likewise.
8065
8066 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8067
8068         PR rtl-optimization/89234
8069         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8070         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8071         (copy_reg_eh_region_note_backward): Likewise.
8072
8073 2019-02-08  Richard Biener  <rguenther@suse.de>
8074
8075         PR middle-end/89223
8076         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8077         doesn't fit in HWI.
8078         (analyze_subscript_affine_affine): Handle failure from
8079         initialize_matrix_A.
8080
8081 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8082
8083         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8084         cfun everywhere.
8085
8086 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8087
8088         PR tree-optimization/86637
8089         PR tree-optimization/89235
8090         * tree-vect-loop.c (optimize_mask_stores): Add an
8091         auto_purge_vect_location sentinel to ensure that vect_location is
8092         purged on exit.
8093         * tree-vectorizer.c
8094         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8095         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8096         to ensure that vect_location is purged on exit.
8097         (pass_slp_vectorize::execute): Likewise, replacing the manual
8098         reset.
8099         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8100
8101 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8102
8103         * config/aarch64/iterators.md (max_opp): New code_attr.
8104         (USMAX): New code iterator.
8105         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8106         (aarch64_smax): Likewise.
8107         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8108         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8109         MINUS (MAX MIN).
8110
8111 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8112
8113         PR target/89229
8114         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8115         for TARGET_AVX512VL.
8116         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8117
8118 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8119
8120         * config/s390/s390-builtin-types.def: Add new types.
8121         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8122         (s390_vec_xlw4): Make the memory operand into a const pointer.
8123         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8124         float.
8125         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8126         a new vector type with the alignment of the scalar memory operand.
8127
8128 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8129             Jakub Jelinek  <jakub@redhat.com>
8130
8131         PR bootstrap/88714
8132         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8133         arm_count_ldrdstrd_insns): New declarations.
8134         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8135         MINUS.
8136         (valid_operands_ldrd_strd): New function.
8137         (arm_count_ldrdstrd_insns): New function.
8138         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8139         sets instead of single DImode set and define new insns to match this.
8140
8141 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8142
8143         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8144         Make it a C initializer.
8145
8146 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8147
8148         PR/target 88850
8149         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8150
8151 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8152
8153         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8154         Use neon_dot<q> for type.
8155         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8156
8157 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8158
8159         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8160         Use neon_dot<q> for type.
8161         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8162         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8163
8164 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8165
8166         PR rtl-optimization/89225
8167         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8168         sizes check.
8169
8170 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8171
8172         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8173         after restoring registers saved to allocate the frame on Windows.
8174
8175 2019-02-06  Richard Biener  <rguenther@suse.de>
8176
8177         PR tree-optimization/89182
8178         * graphite.h (cached_scalar_evolution_in_region): Declare.
8179         * graphite.c (struct seir_cache_key): New.
8180         (struct sese_scev_hash): Likewise.
8181         (seir_cache): New global.
8182         (cached_scalar_evolution_in_region): New function.
8183         (graphite_transform_loops): Allocate and release seir_cache.
8184         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8185         cached_scalar_evolution_in_region.
8186         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8187         Simplify.
8188         (scop_detection::graphite_can_represent_expr: Use
8189         cached_scalar_evolution_in_region.
8190         (scop_detection::stmt_simple_for_scop_p): Likewise.
8191         (find_params_in_bb): Likewise.
8192         (gather_bbs::before_dom_children): Likewise.
8193         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8194         (add_loop_constraints): Likewise.
8195
8196 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8197
8198         PR middle-end/89210
8199         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8200         operand to new_unary_operation only if both element types are integral
8201         and it isn't a widening conversion.  Return NULL_TREE if
8202         new_unary_operation failed.
8203
8204 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8205
8206         PR target/88856
8207         * config/s390/s390.md: Remove load and test FP splitter.
8208
8209 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8210
8211         PR target/89112
8212         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8213         expand_compare_loop, expand_block_compare_gpr,
8214         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8215         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8216         #include "profile-count.h" and "predict.h" for types and functions
8217         needed to work with REG_BR_PROB notes.
8218
8219 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8220
8221         PR target/89112
8222         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8223         for the long branch case.
8224
8225 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8226
8227         PR target/89188
8228         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8229         can throw, non-call exceptions are enabled and we can't delete
8230         dead exceptions or alter cfg.  Set must_clean if
8231         delete_insn_and_edges returns true, don't set it blindly for calls.
8232         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8233
8234         PR rtl-optimization/89195
8235         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8236         of the original MEM.
8237
8238 2019-02-05  Martin Liska  <mliska@suse.cz>
8239
8240         PR gcov-profile/89000
8241         * gcov.c (function_summary): Remove argument.
8242         (file_summary): New function.
8243         (print_usage): Replace tabs with spaces.
8244         (generate_results): Use new function file_summary.
8245
8246 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8247
8248         PR target/89186
8249         * optabs.c (prepare_cmp_insn): Pass x and y to
8250         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8251
8252 2019-02-05  Richard Biener  <rguenther@suse.de>
8253
8254         PR middle-end/89150
8255         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8256         (struct bitmap_element): Drop chain_prev so we properly recurse on
8257         the prev member, supporting tree views.
8258         (struct bitmap_head): GTY skip the obstack member.
8259
8260 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8261
8262         PR c/88698
8263         * doc/extend.texi (Vector Extensions): Add an example of using vector
8264         types together with x86 intrinsics.
8265
8266 2019-02-04  Alan Modra  <amodra@gmail.com>
8267
8268         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8269         str[] size to 160, and comment.
8270
8271 2019-02-04  Alan Modra  <amodra@gmail.com>
8272
8273         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8274         (rs6000_pltseq_template): Guard output of TLS markers with
8275         TARGET_TLS_MARKERS.
8276         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8277         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8278         to use inline PLT sequences.
8279         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8280         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8281         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8282
8283 2019-02-04  Martin Liska  <mliska@suse.cz>
8284
8285         PR ipa/88985
8286         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8287         out when ipa_fn_summaries does not contain entry for callee.
8288
8289 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8290
8291         * config/sparc/sparc.h: Remove superfluous blank lines.
8292         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8293         (got_register_rtx): ...this.
8294         (sparc_got): Adjust to above renaming.
8295         (sparc_tls_got): Likewise.
8296         (sparc_delegitimize_address): Likewise.
8297         (sparc_output_mi_thunk): Likewise.
8298         (sparc_init_pic_reg): Likewise.
8299         (save_local_or_in_reg_p): Fix test on the GOT register.
8300         (USE_HIDDEN_LINKONCE): Move around.
8301         (get_pc_thunk_name): Likewise.
8302         (gen_load_pcrel_sym): Likewise.
8303         (load_got_register): Likewise.
8304
8305 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8306
8307         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8308         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8309
8310 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8311
8312         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8313         into consideration.
8314
8315 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8316
8317         * config.gcc (with_nds32_lib, glibc):
8318         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8319         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8320         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8321
8322 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8323
8324         PR target/89071
8325         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8326         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8327         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8328         (*rcpsf2_sse): Ditto.
8329         (*rsqrtsf2_sse): Ditto.
8330         (sse4_1_round<mode<2): Ditto.
8331
8332 2019-02-03  Richard Biener  <rguenther@suse.de>
8333
8334         PR debug/87295
8335         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8336         orig.
8337
8338 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8339
8340         PR middle-end/87887
8341         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8342         Punt with warning on aggregate return or argument types.  Ignore
8343         type/mode checking for uniform arguments.
8344
8345 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8346
8347         * combine.c (try_combine): Do not print "Can't combine" messages unless
8348         printing failed combination attempts.
8349
8350 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8351
8352         PR hsa/87863
8353         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8354         segment and global segment variables before making them static.
8355
8356 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8357
8358         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8359         missed optimization dump with dump_enabled_p.
8360
8361 2019-02-01  Richard Biener  <rguenther@suse.de>
8362
8363         PR middle-end/88597
8364         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8365         the instantiate cache.
8366         (instantiate_scev_binary): Elide second operand procesing
8367         if equal to the first.
8368         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8369         (chrec_contains_undetermined): Likewise.
8370         (tree_contains_chrecs): Likewise.
8371
8372 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8373
8374         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8375
8376 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8377
8378         PR tree-optimization/89143
8379         * wide-int-range.h (wide_int_range_absu): Declare.
8380         * wide-int-range.cc (wide_int_range_absu): New function.
8381         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8382
8383         PR tree-optimization/88107
8384         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8385         instead of assertion that eh_region_outermost is non-NULL, if it
8386         is NULL, set *ALL to true and return NULL.
8387         (move_sese_region_to_fn): Adjust caller, if all is set, call
8388         duplicate_eh_regions with NULL region.
8389
8390 2019-02-01  Richard Biener  <rguenth@suse.de>
8391
8392         PR rtl-optimization/88593
8393         * mode-switching.c (optimize_mode_switching): Free dominators before
8394         calling cleanup_cfg.
8395
8396 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8397
8398         PR tree-optimization/88932
8399         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8400
8401 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8402
8403         PR middle-end/89137
8404         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8405         bogus clang warning.
8406
8407 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8408
8409         PR target/89071
8410         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8411         alternative to avoid partial SSE register stall for TARGET_AVX.
8412         (truncdfsf2): Ditto.
8413         (sse4_1_round<mode>2): Ditto.
8414
8415 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8416
8417         PR tree-optimization/89008
8418         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8419         process anything of the form X * 0.
8420
8421 2019-01-31  Richard Biener  <rguenther@suse.de>
8422
8423         PR tree-optimization/89135
8424         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8425         with abnormal preds.
8426
8427 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8428
8429         PR sanitizer/89124
8430         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8431         always_inline callees into no_sanitize_address callers.
8432
8433 2019-01-31  Richard Biener  <rguenther@suse.de>
8434
8435         PR rtl-optimization/89115
8436         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8437
8438 2019-01-30  Martin Sebor  <msebor@redhat.com>
8439
8440         PR other/89106
8441         * doc/extend.texi (cast to a union): Correct and expand.
8442
8443 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8444
8445         PR rtl-optimization/87246
8446         * lra-constraints.c (simplify_operand_subreg): Reload memory
8447         in subreg if the address became invalid.
8448
8449 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8450
8451         PR target/87064
8452         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8453         Disable for little-endian.
8454
8455 2019-01-30  Richard Biener  <rguenther@suse.de>
8456
8457         PR rtl-optimization/89115
8458         * opts.c (default_options_optimization): Reduce
8459         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8460         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8461         to the default.
8462
8463 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8464
8465         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8466         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8467         type of vector element when vec_extract is implemented by direct
8468         move.
8469
8470 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8471
8472         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8473
8474 2019-01-30  Richard Biener  <rguenther@suse.de>
8475
8476         PR tree-optimization/89111
8477         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8478         canonicalization to appropriately sized access types.
8479
8480 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8481
8482         PR c++/89105
8483         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8484         for arguments to functions that are TU-local and shouldn't be
8485         referenced by assembly.
8486
8487 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8488
8489         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8490         after '='.
8491
8492 2019-01-29  Martin Sebor  <msebor@redhat.com>
8493
8494         PR c/88956
8495         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8496
8497 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8498
8499         PR c++/66676
8500         PR ipa/89104
8501         * omp-simd-clone.c (simd_clone_clauses_extract)
8502         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8503         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8504
8505 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8506
8507         * config.gcc: Force .init_array for ARC.
8508
8509 2019-01-29  Richard Biener  <rguenther@suse.de>
8510
8511         PR debug/87295
8512         * dwarf2out.c (collect_skeleton_dies): New helper.
8513         (copy_decls_for_unworthy_types): Call it.
8514         (build_abbrev_table): Assert we do not try to replace
8515         DW_AT_signature refs with local refs.
8516
8517 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8518
8519         PR middle-end/89002
8520         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8521         for lastprivate/linear IV, push gimplify context around gimplify_assign
8522         and, if it needed any temporaries, pop it into a gimple bind around the
8523         sequence.
8524
8525 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8526
8527         * common.opt (-Wattribute-alias): Remove "no-" from name.
8528         Make -Wattribute-alias command line option and
8529         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8530
8531 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8532
8533         PR target/89073
8534         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8535         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8536         x86 ISA options.
8537         (bmi2): Add missing @opindex.
8538         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8539         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8540         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8541         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8542         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8543         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8544         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8545         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8546         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8547         xsavec, xsaveopt and xsaves options.
8548
8549 2019-01-28  Richard Biener  <rguenther@suse.de>
8550
8551         PR debug/89076
8552         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8553         support removal.
8554
8555 2019-01-28  Richard Biener  <rguenther@suse.de>
8556
8557         PR tree-optimization/88739
8558         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8559         BIT_FIELD_REFs only are applied to mode-precision operands
8560         when they are integral.
8561         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8562         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8563         BIT_FIELD_REFs of non-mode-precision integral operands.
8564
8565 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8566
8567         PR target/87214
8568         * config/i386/sse.md
8569         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8570         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8571         first constants in pairs are multiples of 2.  Formatting fixes.
8572         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8573         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8574         first constants in each quadruple are multiples of 4.  Formatting fixes.
8575
8576 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8577
8578         PR ipa/88933
8579         * tree-inline.c: Include tree-cfgcleanup.h.
8580         (delete_unreachable_blocks_update_callgraph): Move...
8581         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8582         ...here, make externally visible, make second argument bool, adjust
8583         all callers.
8584         * tree-cfgcleanup.c: Include cgraph.h.
8585         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8586         Declare.
8587         * ipa-prop.c: Include tree-cfgcleanup.h.
8588         (ipcp_transform_function): Call
8589         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8590
8591 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8592
8593         PR rtl-optimization/88846
8594         * ira.c (process_set_for_memref_referenced_p): New.
8595         (memref_referenced_p): Add new param.  Use
8596         process_set_for_memref_referenced_p.  Add new switch cases.
8597         (memref_used_between_p): Pass new arg to memref_referenced_p.
8598
8599 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
8600
8601         PR target/88469
8602         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
8603         argument ABI_BREAK.  Set to true if the calculated alignment has
8604         changed in gcc-9.  Check bit-fields for their base type alignment.
8605         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
8606         (aarch64_function_arg_boundary): Likewise.
8607         (aarch64_gimplify_va_arg_expr): Likewise.
8608
8609 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8610
8611         PR middle-end/89037
8612         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
8613         instead of accessing TREE_INT_CST_ELT directly.
8614
8615 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
8616
8617         * doc/sourcebuild.texi (Environment attributes): Add fenv and
8618         fenv_exceptions description.
8619
8620 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
8621
8622         PR rtl-optimization/87763
8623         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
8624         Allow SUBREG when matching CC_NZmode compare.
8625
8626 2019-01-25  Richard Biener  <rguenther@suse.de>
8627
8628         PR tree-optimization/89049
8629         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
8630         Look at the pattern stmt to determine if the stmt is vectorized.
8631
8632 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
8633
8634         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
8635         (pred_mov<mode>): Handle all-register forms using both a new
8636         alternative and a split.
8637
8638 2019-01-25  Richard Biener  <rguenther@suse.de>
8639
8640         PR tree-optimization/86865
8641         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8642         Reject non-do-while loops.
8643
8644 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
8645
8646         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
8647         * config/rs6000/constraints.md (Q constraint): Use REG_P.
8648         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
8649         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8650         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
8651         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8652         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
8653         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
8654         vlogical_operand, gpc_reg_operand, int_reg_operand,
8655         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
8656         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
8657         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
8658         (save_world_operation, restore_world_operation, lmw_operation,
8659         stmw_operation): Use MEM_P and REG_P.
8660         (tie_operand): Use MEM_P.
8661         (vrsave_operation, crsave_operation): Use REG_P.
8662         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
8663         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
8664         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
8665         (call_operand): Use HARD_REGISTER_P.
8666         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
8667         Use CONST_INT_P.
8668         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
8669         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
8670         quad_aligned_load_p, replace_swapped_aligned_store,
8671         recombine_lvx_pattern, replace_swapped_aligned_load,
8672         recombine_stvx_pattern): Use MEM_P.
8673         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
8674         Use MEM_P and SYMBOL_REF_P.
8675         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
8676         (insn_is_swappable_p): Use REG_P and MEM_P.
8677         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
8678         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
8679         Use CONST_INT_P.
8680         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
8681         Use CONST_DOUBLE_P.
8682         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
8683         CONST_WIDE_INT_P.
8684         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
8685         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
8686         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
8687         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
8688         reg_or_subregno:
8689         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8690         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8691         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8692         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8693         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8694         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8695         rs6000_split_logical_di): Use CONST_INT_P.
8696         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8697         REG_P and SYMBOL_REF_P.
8698         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8699         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8700         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8701         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8702         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8703         (small_data_operand, print_operand_address): Use CONST_INT_P and
8704         SYMBOL_REF_P.
8705         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8706         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8707         Use HARD_REGISTER_NUM_P.
8708         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8709         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8710         SUBREG_P and SYMBOL_REF_P.
8711         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8712         and HARD_REGISTER_NUM_P.
8713         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8714         reg_or_subregno.
8715         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8716         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8717         MEM_P and REG_P.
8718         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8719         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8720         find_addr_reg): Use REG_P.
8721         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8722         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8723         (offsettable_ok_by_alignment, constant_pool_expr_p,
8724         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8725         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8726         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8727         rs6000_assemble_integer, create_TOC_reference,
8728         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8729         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8730         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8731         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8732         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8733         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8734         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8735         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8736         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8737         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8738         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8739         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8740         and cbranch<mode>4): Use CONST_INT_P.
8741         (multiple define_splits): Use REG_P and SUBREG_P.
8742         (define_expands call, call_value): Use MEM_P.
8743         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
8744         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8745         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8746         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8747         and HARD_REGISTER_NUM_P.
8748         (multiple define_splits): Use HARD_REGISTER_NUM_P.
8749
8750 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
8751
8752         PR rtl-optimization/88948
8753         * rtl.h (prepare_copy_insn): New prototype.
8754         * gcse.c (prepare_copy_insn): New function, split out from
8755         process_insert_insn.
8756         (process_insert_insn): Use prepare_copy_insn.
8757         * store-motion.c (replace_store_insn): Use prepare_copy_insn
8758         instead of gen_move_insn.
8759
8760 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
8761
8762         PR debug/89006
8763         * config/i386/i386.c (ix86_pic_register_p): Return true for
8764         UNSPEC_SET_GOT too.
8765
8766         PR tree-optimization/88964
8767         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8768         punt if HONOR_SNANS (chrec).
8769
8770         PR middle-end/89015
8771         * tree-nested.c (convert_nonlocal_reference_stmt,
8772         convert_local_reference_stmt, convert_tramp_reference_stmt,
8773         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8774         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8775         or GIMPLE_OMP_TASK.
8776
8777         PR tree-optimization/89027
8778         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8779         for "omp simd array" variables.
8780
8781 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
8782
8783         PR target/88469
8784         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8785         force the alignment of m_val.
8786
8787 2019-01-24  Richard Biener  <rguenther@suse.de>
8788
8789         PR lto/87187
8790         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8791         When in "legacy" debug mode make sure to reset self-origins.
8792
8793 2019-01-24  Martin Liska  <mliska@suse.cz>
8794
8795         PR gcov-profile/88994
8796         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8797         result will be always smaller or equal to the original.
8798         * gcov.c (mangle_name): Fix else branch where we should
8799         also copy to PTR and shift the pointer.
8800
8801 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8802
8803         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8804         * vr-values.c (find_case_label_ranges): Fix a comment typo.
8805
8806 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
8807
8808         * common/config/i386/i386-common.c
8809         (OPTION_MASK_ISA_ENQCMD_SET,
8810         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8811         (ix86_handle_option): Handle -menqcmd.
8812         * config.gcc (enqcmdintrin.h): New header file.
8813         * config/i386/cpuid.h (bit_ENQCMD): New bit.
8814         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8815         -menqcmd.
8816         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8817         function type.
8818         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8819         __builtin_ia32_enqcmds): New builtins.
8820         * config/i386/i386-c.c (__ENQCMD__): New macro.
8821         * config/i386/i386-option.c (ix86_target_string): Add
8822         -menqcmd.
8823         (ix86_valid_target_attribute_inner_p): Likewise.
8824         * config/i386/i386-expand.c
8825         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8826         IX86_BUILTIN_ENQCMDS.
8827         * config/i386/i386.h (TARGET_ENQCMD): New.
8828         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8829         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8830         (movdir64b_<mode>): Parameterize to enable share expansion code
8831         with ENQCMD in function ix86_expand_builtin.
8832         * config/i386/i386.opt: Add -menqcmd.
8833         * config/i386/immintrin.h: Include enqcmdintrin.h.
8834         * config/i386/enqcmdintrin.h: New intrinsic file.
8835         * doc/invoke.texi: Add -menqcmd.
8836
8837 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8838             Steve Ellcey <sellcey@marvell.com>
8839
8840         PR target/85711
8841         * recog.c (address_operand): Return false on wrong mode for address.
8842         (constrain_operands): Check for mode with 'p' constraint.
8843
8844 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8845
8846         PR target/88998
8847         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8848         Disparage MMX alternative.
8849         (sse2_cvtpd2pi): Ditto.
8850         (sse2_cvttpd2pi): Ditto.
8851
8852 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8853
8854         PR driver/89014
8855         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8856         use-after-free of the result of
8857         aarch64_get_extension_string_for_isa_flags.
8858
8859 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8860
8861         PR c/44715
8862         * doc/extend.texi: Document break and continue behavior in
8863         statement expressions.
8864
8865 2019-01-23  Richard Biener  <rguenther@suse.de>
8866
8867         PR tree-optimization/89008
8868         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8869         not leave another stray operand.
8870
8871 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8872
8873         * BASE-VER: Bump to 9.0.1.
8874
8875 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8876
8877         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8878         thunk that returns by reference, use the type of the return object
8879         of the thunk instead of that of the alias to build the dereference.
8880
8881 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8882
8883         * config/arc/atomic.md: Add operand to DMB instruction.
8884
8885 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8886
8887         PR tree-optimization/88964
8888         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8889         build_zero_cst instead of build_int_cst.  Return false for loop
8890         invariants which honor signed zeros.
8891
8892 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8893
8894         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8895
8896 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8897
8898         PR target/88965
8899         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8900         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8901         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8902
8903         PR middle-end/88968
8904         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8905         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8906
8907         PR target/87064
8908         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8909         Disable for little endian.
8910
8911 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8912
8913         PR target/88469
8914         * config/arm/arm.c (arm_needs_double_word_align): Check
8915         DECL_BIT_FIELD_TYPE.
8916
8917 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8918             H.J. Lu  <hongjiu.lu@intel.com>
8919
8920         PR target/88909
8921         * config/i386/i386-builtin.def: Add mask2 to all builtin
8922         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8923         SPECIAL_ARGS.
8924         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8925         (BDESC_FIRST): Likewise.
8926         (define_builtin): Add an argument for mask2.  Updated to handle
8927         both ix86_isa_flags and ix86_isa_flags2.
8928         (define_builtin_const): Likewise.
8929         (define_builtin_pure): Likewise.
8930         (define_builtin2): Deleted.
8931         (define_builtin_const2): Likewise.
8932         (builtin_description): Add a member, mask2.
8933         (bdesc_*): Add mask2 to builtin initializations.
8934         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8935         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8936         support.
8937         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8938
8939 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8940
8941         PR target/88954
8942         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8943         noplt attribute.
8944
8945 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8946
8947         PR target/88469
8948         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8949         alignment is dominated by a bitfield with 64-bit aligned base type.
8950         (arm_function_arg): Emit a warning if the alignment has changed since
8951         earlier GCC releases.
8952         (arm_function_arg_boundary): Likewise.
8953         (arm_setup_incoming_varargs): Likewise.
8954
8955 2019-01-22  Richard Biener  <rguenther@suse.de>
8956
8957         PR tree-optimization/88862
8958         * graphite-scop-detection.c
8959         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8960
8961 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8962
8963         * doc/extend.tex (AMD GCN Function Attributes): New section.
8964         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8965         * doc/invoke.texi (AMD GCN Options): New section.
8966         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8967
8968 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8969
8970         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8971         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8972
8973 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8974
8975         PR tree-optimization/88044
8976         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8977         is false in the first iteration, but !every_iteration, return false
8978         instead of true with niter->niter zero.
8979
8980         PR rtl-optimization/88904
8981         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8982         any nonequal registers before processing BB_END (b).
8983
8984         PR target/88905
8985         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8986         GET_MODE (op0).
8987         (expand_binop_directly, expand_doubleword_clz,
8988         expand_doubleword_popcount, expand_ctz, expand_ffs,
8989         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8990
8991         PR rtl-optimization/49429
8992         PR target/49454
8993         PR rtl-optimization/86334
8994         PR target/88906
8995         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8996         addressable from here...
8997         (emit_block_op_via_libcall): ... to here.
8998
8999 2019-01-22  Richard Biener  <rguenther@suse.de>
9000
9001         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9002         auto_vec for cost vector to fix memleak.
9003         (vectorize_fold_left_reduction): Properly gather SLP defs.
9004         (vectorizable_comparison): Do not swap operands to properly
9005         gather SLP defs.
9006
9007 2019-01-22  Alan Modra  <amodra@gmail.com>
9008
9009         PR target/88614
9010         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9011         stays a reg.  Allow a const_int.
9012         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9013         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9014         (IS_NOMARK_TLSGETADDR): Define.
9015         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9016         (rs6000_output_tlsargs): New function.
9017         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9018         __tls_get_addr call takes an arg.
9019         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9020         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9021         delete split..
9022         (call_value_nonlocal_sysv): ..or here, delete split.
9023         (tls_gdld_nomark): Delete.
9024         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9025         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9026         (call_value_nonlocal_sysv): Likewise.
9027         (call_value_nonlocal_sysv_secure): Likewise.
9028         (call_value_nonlocal_aix): Likewise.
9029         (call_value_indirect_aix): Likewise.
9030         (call_value_indirect_elfv2): Likewise.
9031         (call_value_local32, call_value_local64): Disable for no-mark tls.
9032         (call_value_local_aix): Likewise.
9033
9034 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9035
9036         PR target/88938
9037         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9038         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9039
9040 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9041
9042         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9043         string contents as hash_map keys.
9044
9045 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9046
9047         PR c/88928
9048         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9049         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9050         instead of TYPE_ALIGN.
9051         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9052         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9053         pointer from TYPE_STUB_DECL.
9054
9055 2019-01-21  Richard Biener  <rguenther@suse.de>
9056
9057         PR tree-optimization/88934
9058         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9059         at the possibly non-constant operand.
9060         (vect_get_constant_vectors): Adjust.
9061
9062 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9063
9064         PR target/71659
9065         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9066         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9067         instead of _X86INTRIN_H_INCLUDED.
9068         * onfig/i386/clwbintrin.h: Likewise.
9069         * config/i386/pkuintrin.h: Likewise.
9070         * config/i386/prfchwintrin.h: Likewise.
9071         * config/i386/rdseedintrin.h: Likewise.
9072         * config/i386/wbnoinvdintrin.h: Likewise.
9073         * config/i386/xsavecintrin.h: Likewise.
9074         * config/i386/xsavesintrin.h: Likewise.
9075         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9076         * config/i386/xsaveintrin.h: Likewise.
9077         * config/i386/xsaveoptintrin.h: Likewise.
9078         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9079         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9080         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9081         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9082         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9083         * config/i386/immintrin.h: Here.
9084
9085 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9086
9087         PR ipa/87615
9088         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9089         with aa_walk_budget.
9090         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9091         aa_walk_budget_p parameter.
9092         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9093         walk.  Updated all callers.
9094         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9095         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9096         unmodified_parm.
9097         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9098         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9099         and to unmodified_parm.
9100         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9101         info, updated call to will_be_nonconstant_expr_predicate.
9102         (param_change_prob): New parameter fbi, limit AA walking.
9103         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9104         calls to various above functions.
9105         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9106         parameter.  Use it to limit AA walking.
9107         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9108         fbi, limit AA walk.
9109         (detect_type_change): New parameter fbi, pass it on to
9110         detect_type_change_from_memory_writes.
9111         (detect_type_change_ssa): Likewise.
9112         (aa_overwalked): Removed.
9113         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9114         accordingly, adjust to the neew AA limiting scheme.
9115         (parm_ref_data_preserved_p): Likewise.
9116         (ipa_compute_jump_functions_for_edge): Adjust call to
9117         get_dynamic_type.
9118         (ipa_analyze_call_uses): Likewise.
9119         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9120         (ipa_analyze_node): Initialize aa_walk_budget.
9121         (ipcp_transform_function): Likewise.
9122         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9123         to get_dynamic_type.
9124
9125 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9126
9127         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9128         outside of #if CHECKING_P code.
9129
9130 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9131
9132         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9133         New function, split out from...
9134         (loop_versioning::analyze_stride): ...here.
9135         (loop_versioning::find_per_loop_multiplication): Use gassign.
9136         (loop_versioning::analyze_term_using_scevs): Return a success code.
9137         (loop_versioning::analyze_arbitrary_term): New function.
9138         (loop_versioning::analyze_address_fragment): Use
9139         analyze_arbitrary_term if all else fails.
9140
9141 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9142
9143         PR target/88892
9144         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9145         operands.
9146
9147 2019-01-18  Richard Biener  <rguenther@suse.de>
9148
9149         PR tree-optimization/88903
9150         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9151         scalar stmts a SLP shift amount is composed of when detecting
9152         shifts by scalars.
9153
9154 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9155
9156         PR target/88799
9157         * config/arm/arm-cpus.in (mp): New feature.
9158         (sec): New feature.
9159         (fgroup ARMv7ve): Add mp and sec features.
9160         (arch armv7-a): Add options to allow mp and sec extensions.
9161         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9162         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9163         extenstions to the base architecture.
9164         (cpu cortex-a8): Add sec extension to the base architecture.
9165         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9166         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9167         variants down to the base v7-a varaint.
9168         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9169         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9170         of permitted extensions for -march=armv7-a and for
9171         -mcpu=generic-armv7-a.
9172
9173 2019-01-18  Martin Liska  <mliska@suse.cz>
9174
9175         * params.def: Fix comment.
9176         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9177         name.
9178         (gimple_gen_ic_func_profiler): Likewise.
9179
9180 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9181
9182         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9183         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9184         and put in error checks for stack protector guard options.
9185         (aarch64_stack_protect_guard): New.
9186         (TARGET_STACK_PROTECT_GUARD): Define.
9187         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9188         (reg_stack_protect_address<mode>): New.
9189         (stack_protect_set): Adjust for SSP_GLOBAL.
9190         (stack_protect_test): Likewise.
9191         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9192         (-mstack-protector-guard): Likewise.
9193         (-mstack-protector-guard-offset): Likewise.
9194
9195 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9196
9197         PR tree-optimization/86214
9198         * tree-inline.h (struct copy_body_data): Add
9199         add_clobbers_to_eh_landing_pads member.
9200         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9201         (copy_edges_for_bb): Call it if EH edge destination is <
9202         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9203         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9204         if flag_stack_reuse != SR_NONE and clear it afterwards.
9205
9206 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9207
9208         PR target/85596
9209         * doc/install.texi (with-multilib-list): Document for aarch64.
9210
9211 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9212
9213         PR target/88734
9214         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9215         (("..."))) with ("...").
9216
9217 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9218
9219         * doc/extend.texi (Built-in Functions for Memory Model Aware
9220         Atomic Operations): Document atomic fetch and nand.
9221
9222 2019-01-18  Martin Liska  <mliska@suse.cz>
9223             Richard Biener  <rguenther@suse.de>
9224
9225         PR middle-end/88587
9226         * cgraph.h (create_version_clone_with_body): Add new argument
9227         with attributes.
9228         * cgraphclones.c (cgraph_node::create_version_clone): Add
9229         DECL_ATTRIBUTES to a newly created decl.  And call
9230         valid_attribute_p so that proper cl_target_optimization_node
9231         is set for the newly created declaration.
9232         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9233         for declaration.
9234         (expand_target_clones): Do not call valid_attribute_p, it must
9235         be already done.
9236         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9237         vector types.
9238
9239 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9240
9241         PR target/88734
9242         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9243         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9244         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9245
9246 2019-01-17  Martin Sebor  <msebor@redhat.com>
9247
9248         PR middle-end/88273
9249         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9250         Handle anti-ranges the same as no range at all.
9251
9252 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9253
9254         * config/aarch64/aarch64.c (cgraph.h): New include.
9255         (intl.h): New include.
9256         (supported_simd_type): New function.
9257         (currently_supported_simd_type): Ditto.
9258         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9259         (aarch64_simd_clone_adjust): Ditto.
9260         (aarch64_simd_clone_usable): Ditto.
9261         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9262         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9263         (TARGET_SIMD_CLONE_USABLE): Ditto.
9264         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9265         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9266         call.
9267
9268 2019-01-17  Martin Sebor  <msebor@redhat.com>
9269
9270         PR tree-optimization/88800
9271         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9272         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9273         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9274         redundant argument.  Add new argument and issue diagnostics under
9275         its control.  Detect out-of-bounds access even with warnings
9276         disabled.
9277         (check_bounds_or_overlap): Change return type.  Add argument.
9278         (wrestrict_dom_walker::check_call): Adjust.
9279         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9280         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9281         check_bounds_or_overlap's return value.
9282         (handle_builtin_stxncpy): Same.
9283         (handle_builtin_strcat): Same.
9284
9285 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9286             Kwok Cheung Yeung  <kcy@codesourcery.com>
9287             Julian Brown  <julian@codesourcery.com>
9288             Tom de Vries  <tom@codesourcery.com>
9289
9290         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9291
9292 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9293
9294         * doc/sourcebuild.texi: Document dg-require-effective-target
9295         llvm_binutils and offload_gcn.
9296
9297 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9298             Kwok Cheung Yeung  <kcy@codesourcery.com>
9299             Julian Brown  <julian@codesourcery.com>
9300             Tom de Vries  <tom@codesourcery.com>
9301
9302         * doc/sourcebuild.texi: Document dg-required-effective-target
9303         exceptions.
9304
9305 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9306             Kwok Cheung Yeung  <kcy@codesourcery.com>
9307             Julian Brown  <julian@codesourcery.com>
9308             Tom de Vries  <tom@codesourcery.com>
9309             Jan Hubicka  <hubicka@ucw.cz>
9310             Martin Jambor  <mjambor@suse.cz>
9311
9312         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9313         * configure.ac: Check for dlopen.
9314         * configure: Regenerate.
9315
9316 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9317             Kwok Cheung Yeung  <kcy@codesourcery.com>
9318             Julian Brown  <julian@codesourcery.com>
9319             Tom de Vries  <tom@codesourcery.com>
9320             Jan Hubicka  <hubicka@ucw.cz>
9321             Martin Jambor  <mjambor@suse.cz>
9322
9323         * common/config/gcn/gcn-common.c: New file.
9324         * config/gcn/driver-gcn.c: New file.
9325         * config/gcn/gcn-builtins.def: New file.
9326         * config/gcn/gcn-hsa.h: New file.
9327         * config/gcn/gcn-modes.def: New file.
9328         * config/gcn/gcn-opts.h: New file.
9329         * config/gcn/gcn-passes.def: New file.
9330         * config/gcn/gcn-protos.h: New file.
9331         * config/gcn/gcn-run.c: New file.
9332         * config/gcn/gcn-tree.c: New file.
9333         * config/gcn/gcn.c: New file.
9334         * config/gcn/gcn.h: New file.
9335         * config/gcn/gcn.opt: New file.
9336         * config/gcn/t-gcn-hsa: New file.
9337
9338 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9339             Kwok Cheung Yeung  <kcy@codesourcery.com>
9340             Julian Brown  <julian@codesourcery.com>
9341             Tom de Vries  <tom@codesourcery.com>
9342             Jan Hubicka  <hubicka@ucw.cz>
9343             Martin Jambor  <mjambor@suse.cz>
9344
9345         * config/gcn/constraints.md: New file.
9346         * config/gcn/gcn-valu.md: New file.
9347         * config/gcn/gcn.md: New file.
9348         * config/gcn/predicates.md: New file.
9349
9350 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9351
9352         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9353         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9354         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9355         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9356
9357 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9358
9359         PR target/88851
9360         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9361         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9362         it and document registers.
9363
9364 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9365
9366         * config/aarch64/aarch64.c (ares_tunings): Define.
9367         * config/aarch64/aarch64-cores.def (ares): Use the above.
9368
9369 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9370
9371         PR target/88794
9372         Revert:
9373         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9374
9375         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9376         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9377         (_mm512_maskz_fixupimm_round_pd): Ditto.
9378         (_mm512_fixupimm_round_ps): Ditto.
9379         (_mm512_maskz_fixupimm_round_ps): Ditto.
9380         (_mm_fixupimm_round_sd): Ditto.
9381         (_mm_maskz_fixupimm_round_sd): Ditto.
9382         (_mm_fixupimm_round_ss): Ditto.
9383         (_mm_maskz_fixupimm_round_ss): Ditto.
9384         (_mm512_fixupimm_pd): Ditto.
9385         (_mm512_maskz_fixupimm_pd): Ditto.
9386         (_mm512_fixupimm_ps): Ditto.
9387         (_mm512_maskz_fixupimm_ps): Ditto.
9388         (_mm_fixupimm_sd): Ditto.
9389         (_mm_maskz_fixupimm_sd): Ditto.
9390         (_mm_fixupimm_ss): Ditto.
9391         (_mm_maskz_fixupimm_ss): Ditto.
9392         (_mm512_mask_fixupimm_round_pd): Update builtin.
9393         (_mm512_mask_fixupimm_round_ps): Ditto.
9394         (_mm_mask_fixupimm_round_sd): Ditto.
9395         (_mm_mask_fixupimm_round_ss): Ditto.
9396         (_mm512_mask_fixupimm_pd): Ditto.
9397         (_mm512_mask_fixupimm_ps): Ditto.
9398         (_mm_mask_fixupimm_sd): Ditto.
9399         (_mm_mask_fixupimm_ss): Ditto.
9400         * config/i386/avx512vlintrin.h:
9401         (_mm256_fixupimm_pd): Update parameters and builtin.
9402         (_mm256_maskz_fixupimm_pd): Ditto.
9403         (_mm256_fixupimm_ps): Ditto.
9404         (_mm256_maskz_fixupimm_ps): Ditto.
9405         (_mm_fixupimm_pd): Ditto.
9406         (_mm_maskz_fixupimm_pd): Ditto.
9407         (_mm_fixupimm_ps): Ditto.
9408         (_mm_maskz_fixupimm_ps): Ditto.
9409         (_mm256_mask_fixupimm_pd): Update builtin.
9410         (_mm256_mask_fixupimm_ps): Ditto.
9411         (_mm_mask_fixupimm_pd): Ditto.
9412         (_mm_mask_fixupimm_ps): Ditto.
9413         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9414         * config/i386/i386-builtin.def: Update builtin definitions.
9415         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9416         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9417         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9418         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9419         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9420         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9421         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9422         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9423         * config/i386/subst.md:
9424         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9425         (round_saeonly_sd_mask_op4): Ditto.
9426         (round_saeonly_expand_operand5): Ditto.
9427         (round_saeonly_expand): Update.
9428
9429 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9430
9431         PR target/88794
9432         Revert:
9433         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9434
9435         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9436         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9437         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9438         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9439         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9440         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9441         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9442
9443 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9444
9445         PR target/88794
9446         Revert:
9447         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9448
9449         PR target/88489
9450         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9451         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9452         instead of UNSPEC_FIXUPIMM.
9453
9454 2019-01-17  Richard Biener  <rguenther@suse.de>
9455
9456         PR lto/86736
9457         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9458         and friends for the LTO part of debug info.
9459
9460 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9461
9462         PR tree-optimization/86214
9463         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9464         if x == y.
9465
9466         PR rtl-optimization/88870
9467         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9468         throw if we can't alter the cfg or delete dead exceptions.
9469         (mark_insn): Don't call find_call_stack_args for such calls.
9470
9471 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9472
9473         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9474         prototypes for vec_st.
9475         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9476         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9477         mainly on signed/unsigned long long and double.
9478
9479 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9480
9481         PR target/88861
9482         * combine.c (delete_noop_moves): Convert to "bool" return,
9483         returning true if any edges are eliminated.
9484         (combine_instructions): Also return true if delete_noop_moves
9485         returns true.
9486
9487 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9488
9489         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9490         correct max nunits for endian swap.
9491         (aarch64_expand_fcmla_builtin): Correct subreg code.
9492         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9493         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9494         lane endianness.
9495
9496 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9497
9498         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9499         Handle split indirect COMPLEX_TYPE arguments.
9500
9501 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9502
9503         PR target/86891
9504         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9505         bit is set by add and compare.
9506         (CC_ADC): New CC_MODE.
9507         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9508         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9509         comparison.  Add detection for CC_ADCmode.
9510         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9511         CC_ADCmode.
9512         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9513         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9514         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9515         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9516         to eliminate the need for zero-extending the operands.
9517         (add<mode>3_compareC_imm): Delete.  Merge into ...
9518         (add<mode>3_compareC): ... this.  Restructure the comparison to
9519         eliminate the need for zero-extending the operands.
9520         (add<mode>3_carryin): Use LTU for the overflow detection.
9521         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9522         Reexpress comparison for overflow.
9523         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9524         (add<mode>3_carryinC): Likewise.
9525         (add<mode>3_carryinV): Use LTU for carry between partials.
9526         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9527         handling of CC_Cmode and add CC_ADCmode.
9528         (aarch64_borrow_operation): Likewise.
9529
9530 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9531
9532         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9533         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9534         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9535         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9536
9537 2019-01-16  Martin Liska  <mliska@suse.cz>
9538
9539         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9540         for GCC driver.
9541         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9542         a new argument.
9543         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9544         (path_prefix_reset): Move up in the source file.
9545         (find_fortran_preinclude_file): Make complex search for the
9546         fortran header files.
9547
9548 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9549
9550         * godump.c (go_output_typedef): When outputting a typedef, refer
9551         to the underlying type by its name and not its structure.
9552
9553 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9554
9555         PR c++/88795
9556         * tree.c (build_function_type): Assert that arg_types is not
9557         error_mark_node.
9558
9559 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9560
9561         PR inline-asm/52813
9562         * doc/extend.texi: Document that listing the stack pointer in the
9563         clobber list of an asm is a deprecated feature.
9564         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9565         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9566         warning instead of an error for clobbers of the stack pointer.
9567         Add a note explaining why.
9568
9569 2019-01-15  Richard Biener  <rguenther@suse.de>
9570
9571         PR debug/88046
9572         * dwarf2out.c (gen_member_die): Do not generate inheritance
9573         DIEs late.
9574
9575 2019-01-15  Richard Biener  <rguenther@suse.de>
9576
9577         PR tree-optimization/88855
9578         * tree-if-conv.c (combine_blocks): Collect
9579         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9580
9581 2019-01-15  Tom de Vries  <tdevries@suse.de>
9582
9583         PR target/80547
9584         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9585         lhs == NULL_TREE for gang-level reduction.
9586
9587 2019-01-15  Richard Biener  <rguenther@suse.de>
9588             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9589
9590         PR ipa/88788
9591         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9592         return true if SSA_NAME is already marked in visited bitmap.
9593         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9594
9595 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9596
9597         PR tree-optimization/88775
9598         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
9599         equal == 0 equality pointer comparisons some more if compared in
9600         integral types and either one points to an automatic var and the
9601         other to a global, or we can prove at least one points to the middle
9602         or both point to start or both point to end.
9603
9604 2019-01-14  Andi Kleen  <ak@linux.intel.com>
9605
9606         * Makefile.in: Lower autofdo sampling rate by 10x.
9607         * Makefile.tpl: Dito.
9608
9609 2019-01-14  Tom Honermann  <tom@honermann.net>
9610
9611         * defaults.h: Define CHAR8_TYPE.
9612
9613 2019-01-14  Martin Sebor  <msebor@redhat.com>
9614
9615         PR target/88638
9616         * doc/extend.texi (Darwin Format Checks): Clarify.
9617
9618 2019-01-14  Richard Biener  <rguenther@suse.de>
9619
9620         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
9621         whether we are in (simplify ...) or (match ...) context.
9622
9623 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
9624
9625         PR rtl-optimization/88796
9626         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
9627         * cfgexpand.c (stack_protect_prologue): Initialize
9628         crtl->stack_protect_guard_decl.
9629         * function.c (stack_protect_epilogue): Use it instead of calling
9630         targetm.stack_protect_guard again.
9631         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
9632         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
9633         crtl->stack_protect_guard_decl.
9634         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
9635         on the returned MEM_EXPR.
9636
9637 2019-01-12  Tom de Vries  <tdevries@suse.de>
9638
9639         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
9640         vector length using -fopenacc-dim.
9641
9642 2019-01-12  Tom de Vries  <tdevries@suse.de>
9643
9644         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
9645         lengths into account.
9646
9647 2019-01-12  Svante Signell  <svante.signell@gmail.com>
9648
9649         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
9650         (TARGET_CAN_SPLIT_STACK): Define.
9651         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
9652
9653 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9654
9655         * params.def (inline-unit-growth): Set to 40.
9656
9657 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
9658
9659         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
9660
9661 2019-01-12  Tom de Vries  <tdevries@suse.de>
9662
9663         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
9664         region calling vector-partitionable routine, set default_vector_length
9665         to WARP_SIZE.
9666
9667 2019-01-12  Tom de Vries  <tdevries@suse.de>
9668
9669         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
9670         variable default_vector_length.
9671
9672 2019-01-12  Tom de Vries  <tdevries@suse.de>
9673
9674         PR middle-end/88703
9675         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
9676         from oacc_default_dims, as oacc_validate_dims would do it, and apply
9677         dimensions limits.
9678
9679 2019-01-12  Tom de Vries  <tdevries@suse.de>
9680
9681         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
9682         (nvptx_goacc_validate_dims): Add used parameter.
9683         * doc/tm.texi: Regenerate.
9684         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
9685         argument to call to targetm.goacc.validate_dims.
9686         (default_goacc_validate_dims): Add used
9687         parameter.
9688         * target.def (validate_dims): Add used parameter in DEFHOOK.
9689         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9690
9691 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9692
9693         PR middle-end/85956
9694         PR lto/88733
9695         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9696         field.
9697         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9698         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9699         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9700         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9701
9702 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9703
9704         PR rtl-optimization/87305
9705         * lra-assigns.c
9706         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9707         for little endian pseudos used as paradoxical subreg.
9708
9709 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9710
9711         PR tree-optimization/88693
9712         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9713         for STRING_CSTs that don't contain any NUL characters in the first
9714         TREE_STRING_LENGTH bytes.
9715
9716 2019-01-11  Alan Modra  <amodra@gmail.com>
9717
9718         PR 88777
9719         PR 88614
9720         * genattrtab.c (min_fn): Don't translate values.
9721         (min_attr_value): Return INT_MAX when the value can't be calculated.
9722         Return minimum among any values that can be calculated.
9723         (max_attr_value): Adjust.
9724
9725 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9726
9727         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9728
9729 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9730
9731         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9732         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9733         (aarch64_return_call_with_max_clobbers): New function.
9734         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9735         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9736         argument.
9737         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9738         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9739         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9740         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9741         * cselib.c (cselib_process_insn): Add argument to
9742         targetm.hard_regno_call_part_clobbered call.
9743         * ira-conflicts.c (ira_build_conflicts): Ditto.
9744         * ira-costs.c (ira_tune_allocno_costs): Ditto.
9745         * lra-constraints.c (inherit_reload_reg): Ditto.
9746         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9747         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9748         argument.  Call targetm.return_call_with_max_clobbers.
9749         Add argument to targetm.hard_regno_call_part_clobbered call.
9750         (calls_have_same_clobbers_p): New function.
9751         (process_bb_lives): Add call_insn and last_call_insn variables.
9752         Pass call_insn to check_pseudos_live_through_calls.
9753         Modify if stmt to check targetm.return_call_with_max_clobbers.
9754         Update setting of flush variable.
9755         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9756         to false.
9757         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9758         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9759         targetm.hard_regno_call_part_clobbered call.
9760         * reginfo.c (choose_hard_reg_mode): Ditto.
9761         * regrename.c (check_new_reg_p): Ditto.
9762         * reload.c (find_equiv_reg): Ditto.
9763         * reload1.c (emit_reload_insns): Ditto.
9764         * sched-deps.c (deps_analyze_insn): Ditto.
9765         * sel-sched.c (init_regs_for_mode): Ditto.
9766         (mark_unavailable_hard_regs): Ditto.
9767         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9768         * target.def (hard_regno_call_part_clobbered): Add insn argument.
9769         (return_call_with_max_clobbers): New target function.
9770         * doc/tm.texi: Regenerate.
9771         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9772         * hooks.c (hook_bool_uint_mode_false): Change to
9773         hook_bool_insn_uint_mode_false.
9774         * hooks.h (hook_bool_uint_mode_false): Ditto.
9775
9776 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9777
9778         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9779         (aarch64_remove_extra_call_preserved_regs): New function.
9780         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9781         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9782         * doc/tm.texi: Regenerate.
9783         * final.c (get_call_reg_set_usage): Call new hook.
9784         * target.def (remove_extra_call_preserved_regs): New hook.
9785         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9786         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9787
9788 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9789
9790         PR bootstrap/88714
9791         * passes.c (finish_optimization_passes): Call print_combine_total_stats
9792         inside of pass_combine_1 dump rather than pass_profile_1.
9793
9794 2019-01-11  Tom de Vries  <tdevries@suse.de>
9795
9796         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9797         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9798         (PTX_NUM_PER_WORKER_BARRIERS): Define.
9799         (nvptx_apply_dim_limits): Prevent vector_length 64 and
9800         num_workers 16.
9801
9802 2019-01-11  Tom de Vries  <tdevries@suse.de>
9803
9804         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9805
9806 2019-01-11  Jan Beulich  <jbeulich@suse.com>
9807
9808         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9809         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9810         sse2_cvtsi2sd): Add {l}.
9811         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9812         syntax.
9813
9814 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9815
9816         PR target/88785
9817         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9818         define_expand.
9819         (*float<floatunssuffix>v2div2sf2): New define_insn.
9820         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9821         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9822         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9823         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9824         match_operands with "const0_operand" "C".
9825
9826 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9827
9828         * config/aarch64/aarch64-builtins.c
9829         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9830         (aarch64_init_simd_builtins): ...Here
9831
9832 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9833
9834         PR rtl-optimization/87305
9835         * lra-assigns.c
9836         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9837         allocation for big endian pseudos used as paradoxical subregs and
9838         spill them if it is wrong.
9839         * lra-constraints.c (lra_constraints): Add a comment.
9840
9841 2019-01-10  Richard Biener  <rguenther@suse.de>
9842
9843         PR tree-optimization/88792
9844         * tree-ssa-pre.c (get_representative_for): Do not return a
9845         value-number here.
9846
9847 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9848
9849         PR middle-end/84877
9850         PR bootstrap/88450
9851         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9852         (assign_parm_setup_block): Do the argument slot realignment here
9853         instead.
9854
9855 2019-01-10  Stefan Agner  <stefan@agner.ch>
9856
9857         PR target/88648
9858         * config/arm/arm.c (arm_option_override_internal): Force
9859         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9860
9861 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9862
9863         PR c/88568
9864         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9865         DECL_EXTERNAL.
9866
9867 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9868
9869         * config/arm/arm-builtins.c
9870         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9871         (MAC_LANE_PAIR_QUALIFIERS): New.
9872         (arm_expand_builtin_args): Use it.
9873         (arm_expand_builtin_1): Likewise.
9874         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9875         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9876         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9877         * config/arm/arm_neon.h:
9878         (vcadd_rot90_f16): New.
9879         (vcaddq_rot90_f16): New.
9880         (vcadd_rot270_f16): New.
9881         (vcaddq_rot270_f16): New.
9882         (vcmla_f16): New.
9883         (vcmlaq_f16): New.
9884         (vcmla_lane_f16): New.
9885         (vcmla_laneq_f16): New.
9886         (vcmlaq_lane_f16): New.
9887         (vcmlaq_laneq_f16): New.
9888         (vcmla_rot90_f16): New.
9889         (vcmlaq_rot90_f16): New.
9890         (vcmla_rot90_lane_f16): New.
9891         (vcmla_rot90_laneq_f16): New.
9892         (vcmlaq_rot90_lane_f16): New.
9893         (vcmlaq_rot90_laneq_f16): New.
9894         (vcmla_rot180_f16): New.
9895         (vcmlaq_rot180_f16): New.
9896         (vcmla_rot180_lane_f16): New.
9897         (vcmla_rot180_laneq_f16): New.
9898         (vcmlaq_rot180_lane_f16): New.
9899         (vcmlaq_rot180_laneq_f16): New.
9900         (vcmla_rot270_f16): New.
9901         (vcmlaq_rot270_f16): New.
9902         (vcmla_rot270_lane_f16): New.
9903         (vcmla_rot270_laneq_f16): New.
9904         (vcmlaq_rot270_lane_f16): New.
9905         (vcmlaq_rot270_laneq_f16): New.
9906         (vcadd_rot90_f32): New.
9907         (vcaddq_rot90_f32): New.
9908         (vcadd_rot270_f32): New.
9909         (vcaddq_rot270_f32): New.
9910         (vcmla_f32): New.
9911         (vcmlaq_f32): New.
9912         (vcmla_lane_f32): New.
9913         (vcmla_laneq_f32): New.
9914         (vcmlaq_lane_f32): New.
9915         (vcmlaq_laneq_f32): New.
9916         (vcmla_rot90_f32): New.
9917         (vcmlaq_rot90_f32): New.
9918         (vcmla_rot90_lane_f32): New.
9919         (vcmla_rot90_laneq_f32): New.
9920         (vcmlaq_rot90_lane_f32): New.
9921         (vcmlaq_rot90_laneq_f32): New.
9922         (vcmla_rot180_f32): New.
9923         (vcmlaq_rot180_f32): New.
9924         (vcmla_rot180_lane_f32): New.
9925         (vcmla_rot180_laneq_f32): New.
9926         (vcmlaq_rot180_lane_f32): New.
9927         (vcmlaq_rot180_laneq_f32): New.
9928         (vcmla_rot270_f32): New.
9929         (vcmlaq_rot270_f32): New.
9930         (vcmla_rot270_lane_f32): New.
9931         (vcmla_rot270_laneq_f32): New.
9932         (vcmlaq_rot270_lane_f32): New.
9933         (vcmlaq_rot270_laneq_f32): New.
9934         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9935         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9936         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9937         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9938         vcmlaq_lane270): New.
9939         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9940         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9941         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9942         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9943         (arm_option_reconfigure_globals): Use them.
9944         * config/arm/iterators.md (VDF, VQ_HSF): New.
9945         (VCADD, VCMLA): New.
9946         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9947         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9948         New.
9949         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9950         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9951
9952 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9953
9954         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9955         Add qualifier_lane_pair_index.
9956         (emit-rtl.h): Include.
9957         (TYPES_QUADOP_LANE_PAIR): New.
9958         (aarch64_simd_expand_args): Use it.
9959         (aarch64_simd_expand_builtin): Likewise.
9960         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9961         New.
9962         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9963         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9964         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9965         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9966         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9967         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9968         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9969         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9970         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9971         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9972         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9973         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9974         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9975         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9976         Add __ARM_FEATURE_COMPLEX.
9977         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9978         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9979         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9980         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9981         fcmlaq_lane270): New.
9982         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9983         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9984         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9985         * config/aarch64/arm_neon.h:
9986         (vcadd_rot90_f16): New.
9987         (vcaddq_rot90_f16): New.
9988         (vcadd_rot270_f16): New.
9989         (vcaddq_rot270_f16): New.
9990         (vcmla_f16): New.
9991         (vcmlaq_f16): New.
9992         (vcmla_lane_f16): New.
9993         (vcmla_laneq_f16): New.
9994         (vcmlaq_lane_f16): New.
9995         (vcmlaq_rot90_lane_f16): New.
9996         (vcmla_rot90_laneq_f16): New.
9997         (vcmla_rot90_lane_f16): New.
9998         (vcmlaq_rot90_f16): New.
9999         (vcmla_rot90_f16): New.
10000         (vcmlaq_laneq_f16): New.
10001         (vcmla_rot180_laneq_f16): New.
10002         (vcmla_rot180_lane_f16): New.
10003         (vcmlaq_rot180_f16): New.
10004         (vcmla_rot180_f16): New.
10005         (vcmlaq_rot90_laneq_f16): New.
10006         (vcmlaq_rot270_laneq_f16): New.
10007         (vcmlaq_rot270_lane_f16): New.
10008         (vcmla_rot270_laneq_f16): New.
10009         (vcmlaq_rot270_f16): New.
10010         (vcmla_rot270_f16): New.
10011         (vcmlaq_rot180_laneq_f16): New.
10012         (vcmlaq_rot180_lane_f16): New.
10013         (vcmla_rot270_lane_f16): New.
10014         (vcadd_rot90_f32): New.
10015         (vcaddq_rot90_f32): New.
10016         (vcaddq_rot90_f64): New.
10017         (vcadd_rot270_f32): New.
10018         (vcaddq_rot270_f32): New.
10019         (vcaddq_rot270_f64): New.
10020         (vcmla_f32): New.
10021         (vcmlaq_f32): New.
10022         (vcmlaq_f64): New.
10023         (vcmla_lane_f32): New.
10024         (vcmla_laneq_f32): New.
10025         (vcmlaq_lane_f32): New.
10026         (vcmlaq_laneq_f32): New.
10027         (vcmla_rot90_f32): New.
10028         (vcmlaq_rot90_f32): New.
10029         (vcmlaq_rot90_f64): New.
10030         (vcmla_rot90_lane_f32): New.
10031         (vcmla_rot90_laneq_f32): New.
10032         (vcmlaq_rot90_lane_f32): New.
10033         (vcmlaq_rot90_laneq_f32): New.
10034         (vcmla_rot180_f32): New.
10035         (vcmlaq_rot180_f32): New.
10036         (vcmlaq_rot180_f64): New.
10037         (vcmla_rot180_lane_f32): New.
10038         (vcmla_rot180_laneq_f32): New.
10039         (vcmlaq_rot180_lane_f32): New.
10040         (vcmlaq_rot180_laneq_f32): New.
10041         (vcmla_rot270_f32): New.
10042         (vcmlaq_rot270_f32): New.
10043         (vcmlaq_rot270_f64): New.
10044         (vcmla_rot270_lane_f32): New.
10045         (vcmla_rot270_laneq_f32): New.
10046         (vcmlaq_rot270_lane_f32): New.
10047         (vcmlaq_rot270_laneq_f32): New.
10048         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10049         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10050         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10051         (FCADD, FCMLA): New.
10052         (rot): New.
10053         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10054
10055 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10056
10057         PR other/16615
10058
10059         * config/pa/pa.c: Change "can not" to "cannot".
10060         * gimple-ssa-evrp-analyze.c: Likewise.
10061         * ipa-icf.c: Likewise.
10062         * ipa-polymorphic-call.c: Likewise.
10063         * ipa-pure-const.c: Likewise.
10064         * lra-constraints.c: Likewise.
10065         * lra-remat.c: Likewise.
10066         * reload1.c: Likewise.
10067         * reorg.c: Likewise.
10068         * tree-ssa-uninit.c: Likewise.
10069
10070 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10071
10072         PR other/16615
10073
10074         * Makefile.in: Mechanically replace "can not" with "cannot".
10075         * alias.c: Likewise.
10076         * builtins.c: Likewise.
10077         * calls.c: Likewise.
10078         * cgraph.c: Likewise.
10079         * cgraph.h: Likewise.
10080         * cgraphclones.c: Likewise.
10081         * cgraphunit.c: Likewise.
10082         * combine-stack-adj.c: Likewise.
10083         * combine.c: Likewise.
10084         * common/config/i386/i386-common.c: Likewise.
10085         * config/aarch64/aarch64.c: Likewise.
10086         * config/alpha/sync.md: Likewise.
10087         * config/arc/arc.c: Likewise.
10088         * config/arc/predicates.md: Likewise.
10089         * config/arm/arm-c.c: Likewise.
10090         * config/arm/arm.c: Likewise.
10091         * config/arm/arm.h: Likewise.
10092         * config/arm/arm.md: Likewise.
10093         * config/arm/cortex-r4f.md: Likewise.
10094         * config/csky/csky.c: Likewise.
10095         * config/csky/csky.h: Likewise.
10096         * config/darwin-f.c: Likewise.
10097         * config/epiphany/epiphany.md: Likewise.
10098         * config/i386/i386.c: Likewise.
10099         * config/i386/sol2.h: Likewise.
10100         * config/m68k/m68k.c: Likewise.
10101         * config/mcore/mcore.h: Likewise.
10102         * config/microblaze/microblaze.md: Likewise.
10103         * config/mips/20kc.md: Likewise.
10104         * config/mips/sb1.md: Likewise.
10105         * config/nds32/nds32.c: Likewise.
10106         * config/nds32/predicates.md: Likewise.
10107         * config/pa/pa.c: Likewise.
10108         * config/rs6000/e300c2c3.md: Likewise.
10109         * config/rs6000/rs6000.c: Likewise.
10110         * config/s390/s390.h: Likewise.
10111         * config/sh/sh.c: Likewise.
10112         * config/sh/sh.md: Likewise.
10113         * config/spu/vmx2spu.h: Likewise.
10114         * cprop.c: Likewise.
10115         * dbxout.c: Likewise.
10116         * df-scan.c: Likewise.
10117         * doc/cfg.texi: Likewise.
10118         * doc/extend.texi: Likewise.
10119         * doc/fragments.texi: Likewise.
10120         * doc/gty.texi: Likewise.
10121         * doc/invoke.texi: Likewise.
10122         * doc/lto.texi: Likewise.
10123         * doc/md.texi: Likewise.
10124         * doc/objc.texi: Likewise.
10125         * doc/rtl.texi: Likewise.
10126         * doc/tm.texi: Likewise.
10127         * dse.c: Likewise.
10128         * emit-rtl.c: Likewise.
10129         * emit-rtl.h: Likewise.
10130         * except.c: Likewise.
10131         * expmed.c: Likewise.
10132         * expr.c: Likewise.
10133         * fold-const.c: Likewise.
10134         * genautomata.c: Likewise.
10135         * gimple-fold.c: Likewise.
10136         * hard-reg-set.h: Likewise.
10137         * ifcvt.c: Likewise.
10138         * ipa-comdats.c: Likewise.
10139         * ipa-cp.c: Likewise.
10140         * ipa-devirt.c: Likewise.
10141         * ipa-fnsummary.c: Likewise.
10142         * ipa-icf.c: Likewise.
10143         * ipa-inline-transform.c: Likewise.
10144         * ipa-inline.c: Likewise.
10145         * ipa-polymorphic-call.c: Likewise.
10146         * ipa-profile.c: Likewise.
10147         * ipa-prop.c: Likewise.
10148         * ipa-pure-const.c: Likewise.
10149         * ipa-reference.c: Likewise.
10150         * ipa-split.c: Likewise.
10151         * ipa-visibility.c: Likewise.
10152         * ipa.c: Likewise.
10153         * ira-build.c: Likewise.
10154         * ira-color.c: Likewise.
10155         * ira-conflicts.c: Likewise.
10156         * ira-costs.c: Likewise.
10157         * ira-int.h: Likewise.
10158         * ira-lives.c: Likewise.
10159         * ira.c: Likewise.
10160         * ira.h: Likewise.
10161         * loop-invariant.c: Likewise.
10162         * loop-unroll.c: Likewise.
10163         * lower-subreg.c: Likewise.
10164         * lra-assigns.c: Likewise.
10165         * lra-constraints.c: Likewise.
10166         * lra-eliminations.c: Likewise.
10167         * lra-lives.c: Likewise.
10168         * lra-remat.c: Likewise.
10169         * lra-spills.c: Likewise.
10170         * lra.c: Likewise.
10171         * lto-cgraph.c: Likewise.
10172         * lto-streamer-out.c: Likewise.
10173         * postreload-gcse.c: Likewise.
10174         * predict.c: Likewise.
10175         * profile-count.h: Likewise.
10176         * profile.c: Likewise.
10177         * recog.c: Likewise.
10178         * ree.c: Likewise.
10179         * reload.c: Likewise.
10180         * reload1.c: Likewise.
10181         * reorg.c: Likewise.
10182         * resource.c: Likewise.
10183         * rtl.def: Likewise.
10184         * rtl.h: Likewise.
10185         * rtlanal.c: Likewise.
10186         * sched-deps.c: Likewise.
10187         * sched-ebb.c: Likewise.
10188         * sched-rgn.c: Likewise.
10189         * sel-sched-ir.c: Likewise.
10190         * sel-sched.c: Likewise.
10191         * shrink-wrap.c: Likewise.
10192         * simplify-rtx.c: Likewise.
10193         * symtab.c: Likewise.
10194         * target.def: Likewise.
10195         * toplev.c: Likewise.
10196         * tree-call-cdce.c: Likewise.
10197         * tree-cfg.c: Likewise.
10198         * tree-complex.c: Likewise.
10199         * tree-core.h: Likewise.
10200         * tree-eh.c: Likewise.
10201         * tree-inline.c: Likewise.
10202         * tree-loop-distribution.c: Likewise.
10203         * tree-nrv.c: Likewise.
10204         * tree-profile.c: Likewise.
10205         * tree-sra.c: Likewise.
10206         * tree-ssa-alias.c: Likewise.
10207         * tree-ssa-dce.c: Likewise.
10208         * tree-ssa-dom.c: Likewise.
10209         * tree-ssa-forwprop.c: Likewise.
10210         * tree-ssa-loop-im.c: Likewise.
10211         * tree-ssa-loop-ivcanon.c: Likewise.
10212         * tree-ssa-loop-ivopts.c: Likewise.
10213         * tree-ssa-loop-niter.c: Likewise.
10214         * tree-ssa-phionlycprop.c: Likewise.
10215         * tree-ssa-phiopt.c: Likewise.
10216         * tree-ssa-propagate.c: Likewise.
10217         * tree-ssa-threadedge.c: Likewise.
10218         * tree-ssa-threadupdate.c: Likewise.
10219         * tree-ssa-uninit.c: Likewise.
10220         * tree-ssanames.c: Likewise.
10221         * tree-streamer-out.c: Likewise.
10222         * tree.c: Likewise.
10223         * tree.h: Likewise.
10224         * vr-values.c: Likewise.
10225
10226 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10227
10228         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10229         (ix86_split_xorsign): Ditto.
10230         * config/i386/i386.c (ix86_expand_xorsign): New function.
10231         (ix86_split_xorsign): Ditto.
10232         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10233         (xorsign<mode>3): New expander.
10234         (xorsign<mode>3_1): New insn_and_split pattern.
10235         * config/i386/sse.md (xorsign<mode>3): New expander.
10236
10237 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10238
10239         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10240         (*tablejump_sp64): Likewise.
10241         (*tablejump<P:mode>): ...this.
10242         (*call_address_sp32): Merge into...
10243         (*call_address_sp64): Likewise.
10244         (*call_address<P:mode>): ...this.
10245         (*call_symbolic_sp32): Merge into...
10246         (*call_symbolic_sp64): Likewise.
10247         (*call_symbolic<P:mode>): ...this.
10248         (call_value): Remove constraint and add predicate.
10249         (*call_value_address_sp32): Merge into...
10250         (*call_value_address_sp64): Likewise.
10251         (*call_value_address<P:mode>): ...this.
10252         (*call_value_symbolic_sp32): Merge into...
10253         (*call_value_symbolic_sp64): Likewise.
10254         (*call_value_symbolic<P:mode>): ...this.
10255         (*sibcall_symbolic_sp32): Merge into...
10256         (*sibcall_symbolic_sp64): Likewise.
10257         (*sibcall_symbolic<P:mode>): ...this.
10258         (sibcall_value): Remove constraint and add predicate.
10259         (*sibcall_value_symbolic_sp32): Merge into...
10260         (*sibcall_value_symbolic_sp64): Likewise.
10261         (*sibcall_value_symbolic<P:mode>): ...this.
10262         (window_save): Minor tweak.
10263         (*branch_sp32): Merge into...
10264         (*branch_sp64): Likewise.
10265         (*branch<P:mode>): ...this.
10266
10267 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10268             James Clarke  <jrtc27@jrtc27.com>
10269
10270         PR target/84010
10271         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10272         consistently in TLS address generation and adjust code to the renaming
10273         of patterns.  Mark calls to __tls_get_addr as const.
10274         * config/sparc/sparc.md (tgd_hi22): Turn into...
10275         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10276         (tgd_lo10): Turn into...
10277         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10278         (tgd_add32): Merge into...
10279         (tgd_add64): Likewise.
10280         (tgd_add<P:mode>): ...this and use Pmode throughout.
10281         (tldm_hi22): Turn into...
10282         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10283         (tldm_lo10): Turn into...
10284         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10285         (tldm_add32): Merge into...
10286         (tldm_add64): Likewise.
10287         (tldm_add<P:mode>): ...this and use Pmode throughout.
10288         (tldm_call32): Merge into...
10289         (tldm_call64): Likewise.
10290         (tldm_call<P:mode>): ...this and use Pmode throughout.
10291         (tldo_hix22): Turn into...
10292         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10293         (tldo_lox10): Turn into...
10294         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10295         (tldo_add32): Merge into...
10296         (tldo_add64): Likewise.
10297         (tldo_add<P:mode>): ...this and use Pmode throughout.
10298         (tie_hi22): Turn into...
10299         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10300         (tie_lo10): Turn into...
10301         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10302         (tie_ld64): Use DImode throughout.
10303         (tie_add32): Merge into...
10304         (tie_add64): Likewise.
10305         (tie_add<P:mode>): ...this and use Pmode throughout.
10306         (tle_hix22_sp32): Merge into...
10307         (tle_hix22_sp64): Likewise.
10308         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10309         (tle_lox22_sp32): Merge into...
10310         (tle_lox22_sp64): Likewise.
10311         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10312         (*tldo_ldub_sp32): Merge into...
10313         (*tldo_ldub_sp64): Likewise.
10314         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10315         (*tldo_ldub1_sp32): Merge into...
10316         (*tldo_ldub1_sp64): Likewise.
10317         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10318         (*tldo_ldub2_sp32): Merge into...
10319         (*tldo_ldub2_sp64): Likewise.
10320         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10321         (*tldo_ldsb1_sp32): Merge into...
10322         (*tldo_ldsb1_sp64): Likewise.
10323         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10324         (*tldo_ldsb2_sp32): Merge into...
10325         (*tldo_ldsb2_sp64): Likewise.
10326         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10327         (*tldo_ldub3_sp64): Use DImode throughout.
10328         (*tldo_ldsb3_sp64): Likewise.
10329         (*tldo_lduh_sp32): Merge into...
10330         (*tldo_lduh_sp64): Likewise.
10331         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10332         (*tldo_lduh1_sp32): Merge into...
10333         (*tldo_lduh1_sp64): Likewise.
10334         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10335         (*tldo_ldsh1_sp32): Merge into...
10336         (*tldo_ldsh1_sp64): Likewise.
10337         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10338         (*tldo_lduh2_sp64): Use DImode throughout.
10339         (*tldo_ldsh2_sp64): Likewise.
10340         (*tldo_lduw_sp32): Merge into...
10341         (*tldo_lduw_sp64): Likewise.
10342         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10343         (*tldo_lduw1_sp64): Use DImode throughout.
10344         (*tldo_ldsw1_sp64): Likewise.
10345         (*tldo_ldx_sp64): Likewise.
10346         (*tldo_stb_sp32): Merge into...
10347         (*tldo_stb_sp64): Likewise.
10348         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10349         (*tldo_sth_sp32): Merge into...
10350         (*tldo_sth_sp64): Likewise.
10351         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10352         (*tldo_stw_sp32): Merge into...
10353         (*tldo_stw_sp64): Likewise.
10354         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10355         (*tldo_stx_sp64): Use DImode throughout.
10356
10357 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10358
10359         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10360         check configure option to set BTI and Return Address Signing.
10361         * configure.ac: Add --enable-standard-branch-protection and
10362         --disable-standard-branch-protection.
10363         * configure: Regenerated.
10364         * doc/install.texi: Document the same.
10365
10366 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10367             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10368
10369         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10370         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10371         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10372         if bti is enabled.
10373         * config/aarch64/aarch64-bti-insert.c: New file.
10374         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10375         pass.
10376         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10377         new bti pass.
10378         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10379         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10380         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10381         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10382
10383 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10384
10385         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10386         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10387         Disable bti for -mbranch-protection=none.
10388         (aarch64_handle_standard_branch_protection): Enable bti for
10389         -mbranch-protection=standard.
10390         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10391         -mbranch-protection.
10392         (aarch64_bti_enabled): Check if bti is enabled.
10393         * config/aarch64/aarch64.opt: Declare target variable.
10394         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10395
10396 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10397
10398         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10399         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10400         (aarch64_expand_epilogue): Likewise.
10401         (aarch64_output_mi_thunk): Likewise
10402         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10403         TAILCALL_ADDR_REGS to x16 and x17.
10404         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10405
10406 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10407
10408         * config/aarch64/aarch64-option-extensions.def: Define
10409         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10410         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10411         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10412         (AARCH64_FL_PREDRES): New.
10413         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10414         AARCH64_FL_PREDRES by default.
10415         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10416
10417 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10418
10419         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10420         ARMv8.5-A.
10421         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10422         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10423         * doc/invoke.texi: Document ARMv8.5-A.
10424
10425 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10426
10427         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10428         (xorsign<mode>3): Likewise.
10429
10430 2019-01-09  Jelinek  <jakub@redhat.com>
10431
10432         PR middle-end/88758
10433         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10434         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10435
10436         PR rtl-optimization/88331
10437         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10438         not currently_expanding_to_rtl.
10439
10440 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10441
10442         * doc/invoke.texi (-Os): Remove trailing spaces.
10443         (-finline-functions): Remove reference to -O2.
10444
10445 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10446
10447         PR rtl-optimization/79593
10448         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10449
10450         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10451         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10452
10453 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10454
10455         PR bootstrap/88721
10456         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10457         to -1 on entry.
10458
10459         PR debug/88723
10460         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10461         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10462
10463 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10464
10465         PR target/88717
10466         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10467         ix86_avx_u128_mode_entry.
10468
10469 2019-01-08  Martin Liska  <mliska@suse.cz>
10470
10471         PR tree-optimization/88753
10472         * tree-switch-conversion.c (switch_conversion::build_one_array):
10473         Come up with local variable constructor.  Convert first to
10474         type of constructor values.
10475
10476 2019-01-08  Richard Biener  <rguenther@suse.de>
10477
10478         PR tree-optimization/86554
10479         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10480         rpo_avail): Move earlier.
10481         (visit_nary_op): When value-numbering to expressions
10482         with different overflow behavior make sure there's an
10483         available expression on the path.
10484
10485 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10486
10487         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10488         aarch64_parse_branch_protection,
10489         struct aarch64_branch_protect_type,
10490         aarch64_handle_no_branch_protection,
10491         aarch64_handle_standard_branch_protection,
10492         aarch64_validate_mbranch_protection,
10493         aarch64_handle_pac_ret_protection,
10494         aarch64_handle_attr_branch_protection,
10495         accepted_branch_protection_string,
10496         aarch64_pac_ret_subtypes,
10497         aarch64_branch_protect_types,
10498         aarch64_handle_pac_ret_leaf): Define.
10499         (aarch64_override_options_after_change_1, aarch64_override_options):
10500         Add check for accepted_branch_protection_string.
10501         (aarch64_option_save): Save accepted_branch_protection_string.
10502         (aarch64_option_restore): Save accepted_branch_protection_string.
10503         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10504         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10505         msign-return-address.
10506         * doc/invoke.texi: Add mbranch-protection.
10507
10508 2019-01-08  Alan Modra  <amodra@gmail.com>
10509
10510         PR target/88614
10511         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10512         Delete "unknownp" parameter.  Adjust callers.  Handle
10513         CONST_INT, PLUS, MINUS, and MULT.
10514         (attr_value_aligned): Renamed from or_attr_value.
10515         (min_attr_value): Return INT_MIN for unhandled rtl case..
10516         (min_fn): ..and translate to INT_MAX here.
10517         (write_length_unit_log): Modify to cope without "unknown".
10518         (write_attr_value): Handle IF_THEN_ELSE.
10519
10520 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10521
10522         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10523         optimization for masked stores.
10524
10525 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10526
10527         PR middle-end/88567
10528         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10529         output vector directly to duplicate_and_interleave instead of
10530         going through a temporary.  Postpone insertion of ctor_seq to
10531         the end of the loop.
10532
10533 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10534
10535         PR target/86891
10536         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10537         unsigned_p.  Handle signed and unsigned overflow correction as
10538         required.
10539         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10540         prototype.
10541         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10542         for operand 2.
10543         (add<mode>3_compareV_imm): Make this callable for expanding.
10544         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10545         aarch64_plus_operand for operand 2.
10546         (subv<GPI:mode>_insn): New insn pattern.
10547         (subv<GPI:mode>_imm): Likewise.
10548         (negv<GPI:mode>3): New expand pattern.
10549         (negv<GPI:mode>_insn): New insn pattern.
10550         (negv<GPI:mode>_cmp_only): Likewise.
10551         (cmpv<GPI:mode>_insn): Likewise.
10552         (subvti4): Use register_operand for operand 1.  Update call to
10553         aarch64_expand_subvti.
10554         (usubvti4): Likewise.
10555         (negvti3): New expand pattern.
10556         (negdi_carryout): New insn pattern.
10557         (negvdi_carryinV): New insn pattern.
10558         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10559         version the named version.
10560         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10561         operands.
10562         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10563         patterns.
10564         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10565         patterns.
10566         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10567         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10568         (sub<mode>3_carryinCV): Delete.
10569         (sub<GPI:mode>3_carryinV): New expand pattern.
10570         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10571
10572 2019-01-07  Richard Biener  <rguenther@suse.de>
10573
10574         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10575         of tree_operand_hash.
10576
10577 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10578
10579         PR tree-optimization/88598
10580         * tree.h (single_nonzero_element): Declare.
10581         * tree.c (single_nonzero_element): New function.
10582         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10583         if I is the only nonzero element of CST.
10584
10585 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10586
10587         PR tree-optimization/88598
10588         * tree.h (initializer_each_zero_or_onep): Declare.
10589         * tree.c (initializer_each_zero_or_onep): New function.
10590         (signed_or_unsigned_type_for): Handle float types too.
10591         (unsigned_type_for, signed_type_for): Update comments accordingly.
10592         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10593         x & { 0 or -1, 0 or -1, ... }.
10594
10595 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10596
10597         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
10598         with x86_64-pc-linux-gnu.
10599
10600 2019-01-07  Tom de Vries  <tdevries@suse.de>
10601
10602         PR target/85486
10603         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
10604         function.
10605         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
10606         routines.
10607
10608 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
10609
10610         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
10611         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
10612         TARGET_AVX512F as condition.
10613
10614         PR debug/88723
10615         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
10616         const_not_ok_for_debug_p target hook.
10617         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
10618         on UNSPEC and subexpressions thereof if all subexpressions of the
10619         UNSPEC are CONSTANT_P.
10620
10621         PR tree-optimization/88676
10622         * tree-ssa-phiopt.c (two_value_replacement): New function.
10623         (tree_ssa_phiopt_worker): Call it.
10624
10625         PR sanitizer/88619
10626         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
10627         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
10628
10629         PR c++/85052
10630         * tree-vect-generic.c: Include insn-config.h and recog.h.
10631         (expand_vector_piecewise): Add defaulted ret_type argument,
10632         if non-NULL, use that in preference to type for the result type.
10633         (expand_vector_parallel): Formatting fix.
10634         (do_vec_conversion, do_vec_narrowing_conversion,
10635         expand_vector_conversion): New functions.
10636         (expand_vector_operations_1): Call expand_vector_conversion
10637         for VEC_CONVERT ifn calls.
10638         * internal-fn.def (VEC_CONVERT): New internal function.
10639         * internal-fn.c (expand_VEC_CONVERT): New function.
10640         * fold-const-call.c (fold_const_vec_convert): New function.
10641         (fold_const_call): Use it for CFN_VEC_CONVERT.
10642         * doc/extend.texi (__builtin_convertvector): Document.
10643
10644 2019-01-07  Tom de Vries  <tdevries@suse.de>
10645
10646         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
10647         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
10648         vector_red_partition, vector_red_sym): New global variables.
10649         (nvptx_option_override): Initialize vector_red_sym.
10650         (nvptx_declare_function_name): Restore red_partition register.
10651         (nvptx_file_end): Emit code to declare the vector reduction variables.
10652         (nvptx_output_red_partition): New function.
10653         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
10654         large vector reductions.
10655         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
10656         (nvptx_init_builtins): Add VECTOR_ADDR.
10657         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
10658         Handle nvptx_expand_shared_addr.
10659         (nvptx_get_shared_red_addr): Add vector argument and handle large
10660         vectors.
10661         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
10662         large vectors.
10663         (nvptx_goacc_reduction_init): Likewise.
10664         (nvptx_goacc_reduction_fini): Likewise.
10665         (nvptx_goacc_reduction_teardown): Likewise.
10666         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
10667         init,fini,teardown}.
10668         (nvptx_init_axis_predicate): Initialize vector_red_partition.
10669         (nvptx_set_current_function): Init vector_red_partition.
10670         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
10671         (nvptx_red_partition): New insn.
10672         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
10673
10674 2019-01-07  Tom de Vries  <tdevries@suse.de>
10675
10676         PR target/85381
10677         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
10678         empty loops.
10679
10680 2019-01-07  Tom de Vries  <tdevries@suse.de>
10681
10682         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
10683         (nvptx_option_override): Init oacc_bcast_partition.
10684         (nvptx_init_oacc_workers): New function.
10685         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
10686         (nvptx_needs_shared_bcast): New function.
10687         (nvptx_find_par): Generalize to enable vectors to use shared-memory
10688         to propagate state.
10689         (nvptx_shared_propagate): Initialize vector bcast partition and
10690         synchronization state.
10691         (nvptx_single):  Generalize to enable vectors to use shared-memory
10692         to propagate state.
10693         (nvptx_process_pars): Likewise.
10694         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10695         * config/nvptx/nvptx.h (struct machine_function): Add
10696         bcast_partition and sync_bar members.
10697
10698 2019-01-07  Tom de Vries  <tdevries@suse.de>
10699
10700         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10701         (nvptx_apply_dim_limits): New function.
10702         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10703         PTX_WARP_SIZE.
10704
10705 2019-01-07  Tom de Vries  <tdevries@suse.de>
10706
10707         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10708         as late as possible.
10709
10710 2019-01-07  Tom de Vries  <tdevries@suse.de>
10711
10712         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10713         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10714         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10715         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10716         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10717
10718 2019-01-07  Tom de Vries  <tdevries@suse.de>
10719
10720         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10721
10722 2019-01-07  Tom de Vries  <tdevries@suse.de>
10723
10724         * omp-offload.c (oacc_get_min_dim): New function.
10725         * omp-offload.h (oacc_get_min_dim): Declare.
10726
10727 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10728
10729         PR target/88521
10730         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10731         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10732
10733 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10734
10735         PR tree-opt/86020
10736         Revert:
10737         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
10738
10739         * ipa-inline.c (edge_badness): Use inlined_time instead of
10740         inline_summaries->get.
10741
10742 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10743
10744         * opts.c (enable_fdo_optimizations): Enable
10745         version-loops-for-strides, loop-interchange, unrol-and-jam
10746         and tree-loop-distribution.
10747         * invoke.texi: Document newly enabled options.
10748
10749 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10750
10751         * doc/invoke.texi (max-inline-insns-small): New parameters.
10752         * ipa-inline.c (want_early_inline_function_p): simplify.
10753         (want_inline_small_function_p): Fix pasto from previous patch;
10754         use max-inline-insns-small bound.
10755         * params.def (max-inline-insns-small): New param.
10756         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10757         variables correctly.
10758
10759 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10760
10761         * doc/invoke.texi: Document max-inline-insns-size,
10762         uninlined-function-insns, uninlined-function-time,
10763         uninlined-thunk-insns and uninlined-thunk-time.
10764         * params.def: Add max-inline-insns-size,
10765         uninlined-function-insns, uninlined-function-time,
10766         uninlined-thunk-insns and uninlined-thunk-time.
10767         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10768         new parameters.
10769         * ipa-inline.c (can_inline_edge_by_limits_p,
10770         want_inline_small_function_p): Use new parameters.
10771
10772 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10773
10774         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10775
10776 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
10777
10778         PR middle-end/82564
10779         PR target/88620
10780         * expr.c (expand_assignment): For calls returning VLA structures
10781         if to_rtx is not a MEM, force it into a stack temporary.
10782
10783         PR debug/88635
10784         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10785         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10786         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10787         subexpressions of both operands.
10788         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10789         subrtxes are CONSTANT_P.
10790         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10791         2018-11-09 changes.
10792
10793 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
10794
10795         * params.def (hot-bb-count-ws-permille): Set to 990.
10796
10797 2019-01-04  Martin Sebor  <msebor@redhat.com>
10798
10799         PR c/88546
10800         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10801         leaf.
10802
10803 2019-01-04  Martin Sebor  <msebor@redhat.com>
10804
10805         PR c/88363
10806         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10807
10808 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10809
10810         * gdbinit.in: Turn off pagination for the skip commands, restore
10811         it to previous state afterwards.
10812
10813 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10814
10815         PR target/88594
10816         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10817         of GET_MODE (opN) as modes of the libcall arguments.
10818
10819 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10820
10821         * config/i386/sse.md
10822         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10823         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10824         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10825         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10826         avx512f_vmcmp<mode>3<round_saeonly_name>,
10827         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10828         avx512f_maskcmp<mode>3,
10829         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10830         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10831         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10832         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10833         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10834         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10835         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10836         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10837         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10838         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10839         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10840         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10841         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10842         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10843         avx512cd_maskb_vec_dup<mode>,
10844         avx512cd_maskw_vec_dup<mode>,
10845         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10846         avx512dq_vmfpclass<mode>,
10847         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10848         instead of =Yk.
10849
10850 2019-01-03  Martin Sebor  <msebor@redhat.com>
10851
10852         PR tree-optimization/88659
10853         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10854
10855 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10856
10857         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10858         unaligned vsx and avoid lxvd2x/stxvd2x.
10859         (gen_lvx_v4si_move): New function.
10860
10861 2019-01-03  Tom de Vries  <tdevries@suse.de>
10862
10863         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10864         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10865         function.
10866         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10867
10868 2019-01-03  Tom de Vries  <tdevries@suse.de>
10869
10870         * config/nvptx/nvptx.c (struct offload_attrs): New.
10871         (populate_offload_attrs): New function.  Factor mask extraction out of
10872         nvptx_reorg.  Add extraction of dimensions.
10873         (nvptx_reorg): Use populate_offload_attrs.
10874
10875 2019-01-03  Tom de Vries  <tdevries@suse.de>
10876
10877         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10878         cases for oacc_min_dims_p and routine_p.  Add asserts for
10879         oacc_default_dims_p and offload_region_p.
10880
10881 2019-01-03  Tom de Vries  <tdevries@suse.de>
10882
10883         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10884         factored out of ...
10885         (nvptx_goacc_validate_dims): ... here.
10886
10887 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10888
10889         PR tree-optimization/85574
10890         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10891         structure.
10892         (struct ssa_equip_hash_traits): Declare.
10893         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10894
10895 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10896
10897         PR debug/88644
10898         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10899         change it to qualified_type.
10900
10901 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10902
10903         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10904         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10905
10906 2019-01-02  Martin Sebor  <msebor@redhat.com>
10907             Jeff Law  <law@redhat.com>
10908
10909         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10910         (get_range_strlen_tree): Update appropriately.
10911         (get_range_strlen)
10912         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10913
10914         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10915         rather than set_range_info.
10916         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10917         maybe_set_strlen_range.  Handle potentially boundary crossing
10918         cases more conservatively.
10919         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10920         Call set_strlen_range.
10921         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10922
10923         PR middle-end/88663
10924         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10925         need the flexp argument.
10926         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10927         from calls to get_range_strlen.  Update comments.  Just update
10928         VAL for an unterminated const char array and let the reset of the
10929         code handle it normally.  No longer try to set *flexp.  Adjust
10930         return value.
10931         (get_range_strlen): Update for the new get_range_strlen API.
10932         (get_maxval_strlen): Similarly.
10933         (gimple_fold_builtin_strlen): Handle update meaning of return value
10934         from get_range_strlen.
10935         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10936         get_range_strlen API.
10937
10938 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10939
10940         PR lto/88130
10941         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10942         false at WPA time when body was removed.
10943
10944 2019-01-02  Martin Liska  <mliska@suse.cz>
10945
10946         PR tree-optimization/88650
10947         * predict.c (set_even_probabilities): Calculate probability
10948         remainer only when really used.
10949
10950 2019-01-02  Richard Biener  <rguenther@suse.de>
10951
10952         PR middle-end/88651
10953         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10954         widest_ints when mangling max_stmt_execution results.
10955
10956 2019-01-02  Richard Biener  <rguenther@suse.de>
10957
10958         PR tree-optimization/88621
10959         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10960         bitfields when canoncalizing.
10961
10962 2019-01-02  Richard Biener  <rguenther@suse.de>
10963
10964         PR target/87545
10965         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10966         cost of cheap SSE instruction.
10967
10968 2019-01-02  Richard Biener  <rguenther@suse.de>
10969
10970         PR ipa/85574
10971         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10972         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10973         function.
10974         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10975         set after UIDs before splitting them.
10976
10977 2019-01-01  Martin Sebor  <msebor@redhat.com>
10978             Jeff Law  <law@redhat.com>
10979
10980         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10981         length is optimistic.  If it is, then arrange to compute the
10982         conservative length as well.
10983
10984         * gimple-fold.h (get_range_strlen): Update prototype.
10985         * builtins.c (check_access): Update call to get_range_strlen to use
10986         c_strlen_data pointer.   Change various variable accesses to instead
10987         pull data from the c_strlen_data structure.
10988         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10989         * calls.c (maybe_warn_nonstring_arg): Likewise.
10990         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10991         minimum length if maximum lengh is unknown.
10992         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10993         that used c_strlen, it's no longer needed.  Restructure slightly.
10994         (format_string): Set unlikely range appropriately.
10995         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10996         formatting issues.
10997         (get_range_strlen):  Accept c_strlen_data pointer for external
10998         call sites as well.  Pass through to call to internal get_range_strlen.
10999         Adjust minlen, maxlen and maxbound as needed.
11000         (get_maxval_strlen): Update comments.
11001         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11002         to use c_strlen_data pointer.  Change variable accesses to instead
11003         use c_strlen_data data members.
11004
11005         * gimple-fold.c (get_range_strlen): Update prototype.
11006         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11007         local variables.  Use pdata to return information to caller.
11008         Update calls to get_range_strlen.  Update pdata->maxbound.
11009         (get_range_strlen -- static version): Similarly.
11010         (get_range_strlen -- extern version): Update for internal
11011         get_range_strlen API change.  Convert to external data format.
11012         (get_maxval_strlen): Similarly.
11013
11014 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11015
11016         * coverage.c (get_coverage_counts): Use current_function_decl.
11017         * profile.c (read_thunk_profile): New function.
11018         (branch_prob): Add THUNK parameter.
11019         * tree-profile.c (tree_profiling): Handle thunks.
11020         * value-prof.c (init_node_map): Handle thunks.
11021         * value-prof.h (branch_prob): Upate prototype.
11022         (read_thunk_profile): Declare.
11023
11024 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11025
11026         Update copyright years.
11027
11028         * gcc.c (process_command): Update copyright notice dates.
11029         * gcov-dump.c (print_version): Ditto.
11030         * gcov.c (print_version): Ditto.
11031         * gcov-tool.c (print_version): Ditto.
11032         * gengtype.c (create_file): Ditto.
11033         * doc/cpp.texi: Bump @copying's copyright year.
11034         * doc/cppinternals.texi: Ditto.
11035         * doc/gcc.texi: Ditto.
11036         * doc/gccint.texi: Ditto.
11037         * doc/gcov.texi: Ditto.
11038         * doc/install.texi: Ditto.
11039         * doc/invoke.texi: Ditto.
11040 \f
11041 Copyright (C) 2019 Free Software Foundation, Inc.
11042
11043 Copying and distribution of this file, with or without modification,
11044 are permitted in any medium without royalty provided the copyright
11045 notice and this notice are preserved.