gcc/ChangeLog

   1 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
   4         ivar and lvar.
   5
   6 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
   7
   8         PR c/43673
   9         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
  10         TEX_D32, TEX_D64 or TEX_D128.
  11
  12 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
  13
  14         * match.pd (~(vec?cst1:cst2)): New transformation.
  15
  16 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
  17
  18         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
  19         ((size_t)(A /[ex] B) CMP C): New transformation.
  20
  21 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
  22
  23         * doc/md.texi: Document define_insn_and_rewrite.
  24         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
  25         * gensupport.c (queue_elem): Update comment.
  26         (replace_operands_with_dups): New function.
  27         (gen_rewrite_sequence): Likewise.
  28         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
  29         * read-rtl.c (apply_subst_iterator): Likewise.
  30         (add_condition_to_rtx, named_rtx_p): Likewise.
  31         (rtx_reader::read_rtx_operand): Likewise.
  32         * config/aarch64/aarch64-sve.md
  33         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
  34         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
  35         define_insn_and_rewrite.
  36         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
  37         Remove separate define_split.
  38
  39 2019-05-31  Jan Hubicka  <jh@suse.cz>
  40
  41         * tree-ssa-alias.c (type_has_components_p): New function.
  42         (aliasing_component_refs_p): Use it.
  43
  44 2019-05-31  Martin Liska  <mliska@suse.cz>
  45
  46         * gdbhooks.py: Add const_tree to TreePrinter.
  47
  48 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
  49
  50         PR debug/86964
  51         * common.opt (feliminate-unused-debug-symbols): Enable by default.
  52         * doc/invoke.texi (Debugging Options): Document new default of
  53         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
  54
  55 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
  56
  57         PR tree-optimization/90671
  58         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
  59         template_block used to be empty on the first call, don't use
  60         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
  61         seq with bb_seq and set it with set_bb_seq.
  62
  63 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
  64
  65         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
  66
  67 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
  68             Michael Meissner  <meissner@linux.ibm.com>
  69
  70         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
  71         (prefixed_mem_operand): Likewise.
  72         (non_prefixed_mem_operand): Likewise.
  73         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
  74         prototype.
  75         * config/rs6000/rs6000.c (print_operand_address): Handle
  76         PC-relative addresses.
  77         (mode_supports_prefixed_address_p): New function.
  78         (rs6000_prefixed_address): New function.
  79         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
  80         (SYMBOL_REF_PCREL_P): Likewise.
  81
  82 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
  83
  84         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
  85         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
  86         (gimplify_omp_for): If worksharing loop with lastprivate conditional
  87         is nested inside of parallel region, add _condtemp_ clause to both.
  88         * tree-nested.c (convert_nonlocal_omp_clauses,
  89         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
  90         assertion failure.
  91         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
  92         member.
  93         * omp-general.c (omp_extract_for_data): Compute it.
  94         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
  95         (lower_rec_input_clauses): Likewise.
  96         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
  97         clause is already present, just add one further one after it.
  98         (lower_lastprivate_clauses): Handle cond_ptr with array type.
  99         (lower_send_shared_vars): Clear _condtemp_ vars.
 100         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 101         or section or taskgroup.
 102         * omp-expand.c (determine_parallel_type): Disallow combining only if
 103         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 104         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 105         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 106         expand_omp_for_static_chunk, expand_omp_for): Use
 107         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 108         determine if a special set of API routines are needed and if condtemp
 109         needs to be initialized, while always initialize cond_var if
 110         fd->lastprivate_conditional is non-zero.
 111
 112 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 113             Michael Meissner  <meissner@linux.ibm.com>
 114
 115         * config/rs6000/constraints.md (eI): New constraint.
 116         * config/rs6000/predicates.md (cint34_operand): New predicate.
 117         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 118         (SIGNED_34BIT_OFFSET_P): Likewise.
 119         * doc/md.texi (eI): Document constraint.
 120
 121 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 122
 123         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 124
 125 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 126             Michael Meissner  <meissner@linux.ibm.com>
 127
 128         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 129         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 130         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 131         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 132         (OTHER_FUTURE_MASKS): Likewise.
 133         (POWERPC_MASKS): Likewise.
 134         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 135         specified without -mprefixed-addr or -mcpu=future.  Error if
 136         -mprefixed-addr is specified without -mcpu=future.
 137         (rs6000_opt_masks): Add entry for prefixed-addr.
 138         * rs6000.opt (mprefixed-addr): New option.
 139
 140 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 141
 142         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 143         cfun->is_thunk check.
 144
 145 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 146
 147         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 148         to length.
 149
 150 2019-05-30  Martin Liska  <mliska@suse.cz>
 151
 152         * gdbinit.in: Fix 'ptc' command.  Add trt
 153         that prints TREE_TYPE($).
 154
 155 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 156             Alan Modra  <amodra@gmail.com>
 157
 158         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 159         calls here...
 160         (rs6000_indirect_call_template_1): ...and here.
 161         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 162         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 163         rs6000_pltseq_enum.
 164         (rs6000_decl_ok_for_sibcall): New function.
 165         (rs6000_function_ok_for_sibcall): Refactor.
 166         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 167         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 168         when pcrel.  Reorganize.
 169         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 170         * rs6000.h (rs6000_pltseq_enum): New enum.
 171         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 172         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 173         (*pltseq_plt16_ha): Likewise.
 174         (*pltseq_plt16_lo): Likewise.
 175         (*pltseq_mtctr): Likewise.
 176         (*pltseq_plt_pcrel): New insn.
 177         (*call_local_aix): Handle @notoc calls.
 178         (*call_value_local_aix): Likewise.
 179         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 180         (*call_value_nonlocal_aix): Likewise.
 181         (*call_indirect_pcrel): New insn.
 182         (*call_value_indirect_pcrel): Likewise.
 183
 184
 185 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 186
 187         * config/i386/sse.md (*save_multiple<mode>): Rename from
 188         save_multiple<mode>.
 189         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 190         (*restore_multiple_and_return<mode>): Rename from
 191         restore_multiple_and_return<mode>.
 192         (*restore_multiple_leave_return<mode>): Rename from
 193         restore_multiple_leave_return<mode>.
 194
 195 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 196
 197         * config.gcc (rx-*-linux*): New target.
 198         * config/rx/elf.opt: New file.
 199         * config/rx/linux.h: Likewise.
 200         * config/rx/t-linux: Likewise.
 201         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 202         make it zero.
 203         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 204         (ASM_APP_OFF): Likewise.
 205         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 206         moved elsewhere.
 207
 208 2019-05-29  Jan Hubicka  <jh@suse.cz>
 209
 210         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 211         variants are pointer equivalent.
 212
 213 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 214
 215         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 216         * config/aarch64/aarch64-sve2.md: New file.
 217         (<u>avg<mode>3_floor): New pattern.
 218         (<u>avg<mode>3_ceil): Likewise.
 219         (*<sur>h<addsub><mode>): Likewise.
 220         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 221         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 222
 223 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 224
 225         PR bootstrap/90543
 226         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 227         for var_opt_string printing.  In cl_optimization_print_diff, print
 228         (null) instead of invoking undefined behavior if one of the
 229         var_opt_string pointers is NULL and use && instead of first || in the
 230         guarding condition.  For var_target_other options, handle const char *
 231         target variables similarly to const char * optimize node variables.
 232
 233 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 234
 235         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 236         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 237         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 238         Add autib1716 and pacib1716 initialisation.
 239         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 240         for autib1716 and pacib1716.
 241         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 242         aarch64_post_cfi_startproc): Define.
 243         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 244         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 245         aarch64_handle_pac_ret_protection): Set default sign key to A.
 246         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 247         aarch64_expand_prologue): Add check for b-key.
 248         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 249         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 250         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 251         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 252         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 253         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 254         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 255         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 256         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 257         pauth_hint_num_a with pauth_hint_num.
 258         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 259         pauth_hint_num_a with pauth_hint_num.
 260         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 261         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 262         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 263         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 264         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 265         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 266         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 267         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 268         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 269         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 270         UNSPEC_AUTIA1716 respectively.
 271         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 272         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 273         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 274         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 275         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 276
 277 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 278
 279         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 280         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 281         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 282         explicit clause on combined parallel into implicit shared clause.
 283         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 284         and firstprivate if the decl has one too from combined parallel to
 285         the worksharing construct.
 286
 287 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 288             Michael Meissner  <meissner@linux.ibm.com>
 289
 290         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 291
 292 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 293
 294         * rtl.h (LABEL_REF_P): New #define.
 295
 296 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 297
 298         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 299
 300 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 301
 302         * internal-fn.c: Marked mask_load_direct as vectorizable.
 303         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 304         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 305         combined even if masks different with allow_slp_p param.
 306         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 307         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 308         dissolve SLP-only vectorizable groups when SLP has been discarded.
 309         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 310         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 311         masks.
 312         (vect_build_slp_tree_1): Fixed comment typo.
 313         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 314         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 315         loads for SLP only.
 316         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 317         vectorizable.
 318         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 319
 320 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 321
 322         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 323         Remove obsolete use_thunk reference.
 324         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 325         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 326         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 327         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 328         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 329         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 330         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 331         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 332         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 333
 334 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 335
 336         * tree.h (IDENTIFIER_ANON_P): New.
 337         (anon_aggrname_format, anon_aggname_p): Don't declare.
 338         (make_anon_name): Declare.
 339         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 340         (hash_tree): Likewise.
 341         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 342         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 343         (anon_cnt, make_anon_name): New.
 344
 345 2019-05-28  Martin Liska  <mliska@suse.cz>
 346
 347         PR other/90315
 348         * opts-global.c (decode_options): Print help for all
 349         help_option_arguments.
 350         * opts.c (print_help): Add new argument.
 351         (common_handle_option): Remember all values into
 352         help_option_arguments.
 353         * opts.h (print_help): Add new argument.
 354
 355 2019-05-28  Martin Liska  <mliska@suse.cz>
 356
 357         PR ipa/90555
 358         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 359         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 360         (func_checker::compare_bb): Call compare_loops.
 361
 362 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 363
 364         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 365         on sections construct.
 366         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 367         construct.
 368         (lower_omp_sections): Handle lastprivate conditional.
 369         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 370         lastprivate_conditional_map.
 371         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 372
 373         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 374         critical, taskgroup and section regions when looking for a region
 375         with non-NULL lastprivate_conditional_map.
 376
 377 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 378
 379         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 380         (*ix86_gen_sub3): Ditto.
 381         (*ix86_gen_sub3_carry): Ditto.
 382         (*ix86_gen_one_cmpl2): Ditto.
 383         (*ix86_gen_andsp): Ditto.
 384         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 385         (gen_and2_insn): New static function.
 386         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 387         Use gen_add3_insn instead of ix86_gen_add3.
 388         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 389         instead of ix86_gen_add3.
 390         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 391         Use gen_sub3_insn instead of ix86_gen_sub3.
 392         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 393         instead of ix86_gen_add3.
 394         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 395         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 396         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 397         * config/i386/i386-options.c (ix86_option_override_internal):
 398         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 399         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 400
 401 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 402
 403         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 404         and DW_OP_GNU_const_index opcodes.
 405
 406 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 407
 408         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 409
 410 2019-05-27  Richard Biener  <rguenther@suse.de>
 411
 412         PR tree-optimization/90637
 413         * tree-ssa-sink.c (statement_sink_location): Honor the
 414         computed sink location for single-uses.
 415
 416 2019-05-27  Richard Biener  <rguenther@suse.de>
 417
 418         PR middle-end/90610
 419         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 420         a bit-insert.
 421
 422 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 423
 424         * config/i386/i386.md (@sub<mode>3_carry): Rename
 425         from sub<mode>3_carry.
 426         (@leave_<mode>): New expander.
 427         (*leave): Rename from leave.
 428         (*leave_rex64): Rename from leave_rex64.
 429         (@monitorx_<mode>): Rename from monitorx_<mode>.
 430         (@clzero_<mode>): Rename from clzero_<mode>.
 431         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 432         from sse3_monitor_<mode>.
 433         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 434         (*ix86_gen_leave): Ditto.
 435         (*ix86_gen_monitor): Ditto.
 436         (*ix86_gen_monitorx): Ditto.
 437         (*ix86_gen_clzero): Ditto.
 438         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 439         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 440         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 441         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 442         Use gen_sse3_monitor instead of ix86_gen_monitor.
 443         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 444         instead of ix86_gen_monitorx.
 445         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 446         instead of ix86_gen_clzero.
 447         * config/i386/i386-options.c (ix86_option_override_internal):
 448         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 449         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 450
 451 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 452
 453         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 454         Rename from tls_global_dynamic_64_<mode>.
 455         (@tls_local_dynamic_base_64_<mode>): Rename from
 456         tls_local_dynamic_base_64_<mode>.
 457         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 458         Remove indirect function.
 459         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 460         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 461         instead of ix86_gen_tls_global_dynamic_64.
 462         Use gen_tls_local_dynamic_base_64 instead of
 463         ix86_gen_tls_local_dynamic_base_64.
 464         * config/i386/i386-options.c (ix86_option_override_internal):
 465         Do not initialize ix86_gen_tls_global_dynamic_64 and
 466         ix86_gen_tls_local_dynamic_base_64.
 467
 468 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 469
 470         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 471         Rename from pro_epilogue_adjust_stack_<mode>_add.
 472         (@pro_epilogue_adjust_stack_sub_<mode>)
 473         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 474         (@allocate_stack_worker_probe_<mode>):
 475         Rename from allocate_stack_worker_probe_<mode>.
 476         (allocate_stack): Use gen_allocate_stack_worker_probe.
 477         (probe_stack): Use gen_probe_stack_1.
 478         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 479         (@adjust_stack_and_probe_<mode>): Rename from
 480         adjust_stack_and_probe<mode>.
 481         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 482         (stack_protect_set): Use gen_stack_protect_set_1.
 483         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 484         (stack_protect_test): Use gen_stack_protect_test_1.
 485         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 486         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 487         Remove indirect function.
 488         (*ix86_gen_adjust_stack_and_probe): Ditto.
 489         (*ix86_gen_probe_stack_range): Ditto.
 490         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 491         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 492         (ix86_adjust_stack_and_probe_stack_clash): Use
 493         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 494         (ix86_adjust_stack_and_probe): Ditto.
 495         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 496         of ix86_gen_probe_stack_range.
 497         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 498         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 499         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 500         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 501         CODE_FOR_stack_protect_test_{si,di}.
 502         * config/i386/i386-options.c (ix86_option_override_internal):
 503         Do not initialize ix86_gen_allocate_stack_worker,
 504         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 505
 506 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 507
 508         * doc/invoke.texi (Link Options): Many editorial changes around
 509         -flinker-output.
 510
 511 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 512
 513         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 514         pre-Solaris 11 referene and most Studio compiler details.
 515
 516 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 517
 518         PR target/90530
 519         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 520         DImode to SImode in floating-point registers on 64-bit target.
 521         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 522         register_operand in xmpyu patterns.
 523
 524 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 525
 526         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 527         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 528         OMP_CLAUSE__REDUCTEMP_.
 529         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 530         OMP_CLAUSE__CONDTEMP_.
 531         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 532         * tree-pretty-print.c (dump_omp_clause): Likewise.
 533         * tree-nested.c (convert_nonlocal_omp_clauses,
 534         convert_local_omp_clauses): Likewise.
 535         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 536         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 537         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 538         on OMP_FOR.
 539         (gimplify_omp_for): Warn and disable conditional modifier from
 540         lastprivate on loop iterators.
 541         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 542         member.
 543         * omp-general.c (omp_extract_for_data): Initialize it.
 544         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 545         member.
 546         (delete_omp_context): Delete it.
 547         (lower_lastprivate_conditional_clauses): New function.
 548         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 549         handle lastprivate conditional clauses.
 550         (lower_reduction_clauses): Add CLIST argument, emit it into
 551         the critical section if any.
 552         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 553         lower_reduction_clauses callers.
 554         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 555         to lower_lastprivate_clauses.
 556         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 557         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 558         clist into a critical section if not emitted there already by
 559         lower_reduction_clauses.
 560         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 561         callers.
 562         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 563         conditional variables.
 564         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 565         clause is present.
 566         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 567         expand_omp_for_static_chunk): Handle lastprivate conditional.
 568         (expand_omp_for): Handle fd.lastprivate_conditional like
 569         fd.have_reductemp.
 570
 571 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 572
 573         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 574         kernel does not exit cleanly.
 575         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 576
 577 2019-05-24  Jason Merrill  <jason@redhat.com>
 578
 579         Revert:
 580         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 581
 582 2019-05-24  Richard Biener  <rguenther@suse.de>
 583
 584         PR testsuite/90607
 585         * tree-loop-distribution.c (struct partition): Add location
 586         member.
 587         (partition_alloc): Initialize all fields.
 588         (generate_memset_builtin): Use the location recorded in the
 589         partition for the generated call.
 590         (generate_memcpy_builtin): Likewise.
 591         (classify_partition): Record the location of a single store
 592         as location for the partition.
 593
 594 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 595
 596         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 597         for lo-part.
 598
 599 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 600
 601         PR target/90588
 602         * common/config/aarch64/aarch64-common.c
 603         (aarch64_rewrite_selected_cpu): Change local temporary variable
 604         type from unsigned long to uint64_t.
 605         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 606         aarch64_get_extension_string_for_isa_flags): Change declaration to
 607         match new definition by replacing unsigned long with uint64_t.
 608
 609 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 610
 611         PR target/90568
 612         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 613         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 614         Handle stack_protect_test_<mode> codegen similarly to corresponding
 615         sub instruction.
 616
 617 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 618
 619        * config/i386/darwin.h: Reject -mfentry*.
 620        * doc/sourcebuild.texi: Document mfentry target support.
 621
 622 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 623
 624         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 625         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 626         false for PC-relative functions.
 627         (rs6000_output_function_prologue): Change called function name to
 628         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 629         name,1" for PC-relative functions.
 630         (rs6000_elf_declare_function_name): Change called function name to
 631         rs6000_global_entry_point_prologue_needed_p.
 632
 633 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 634
 635         PR target/90552
 636         * config/i386/i386.c (gen_rtx_cost):
 637         Use ix86_tune_cost instead of ix86_cost.
 638
 639 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 640             Michael Meissner  <meissner@linux.ibm.com>
 641             Segher Boessenkool  <segher@kernel.crashing.org>
 642
 643         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 644         OPTION_MASK_PCREL.
 645         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 646         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 647         (rs6000_fndecl_pcrel_p): Likewise.
 648         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 649         error if -mpcrel is requested without -mcpu=future.
 650         (rs6000_opt_masks): Add entry for pcrel.
 651         (rs6000_fndecl_pcrel_p): New function.
 652         (rs6000_pcrel_p): Likewise.
 653         * config/rs6000/rs6000.opt (mpcrel): New option.
 654         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 655
 656 2019-05-23  Jan Hubicka  <jh@suse.cz>
 657             Martin Liska  <mliska@suse.cz>
 658
 659         PR tree-optimization/90576
 660         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 661         poly_int_tree_p.
 662         (aliasing_component_refs_p): Fix three way size compare conditional;
 663         give up earlier in case we can not decide on equivalence.
 664
 665 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 666             Michael Meissner  <meissner@linux.ibm.com>
 667             Segher Boessenkool  <segher@kernel.crashing.org>
 668
 669         * config.gcc: Add future cpu.
 670         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 671         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 672         #define.
 673         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 674         (RS6000_CPU): New instantiation for future cpu.
 675         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 676         PROCESSOR_FUTURE.
 677         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 678         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 679         * config/rs6000/rs6000-tables.opt: Regenerate.
 680         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 681         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 682         (rs6000_machine_from_flags): Handle future cpu.
 683         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 684         PROCESSOR_POWER9 for now.
 685         (rs6000_adjust_cost): Likewise.
 686         (rs6000_issue_rate): Likewise.
 687         (rs6000_register_move_cost): Likewise.
 688         (rs6000_opt_masks): Add entry for future.
 689         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 690         (MASK_FUTURE): New #define.
 691         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 692         * config/rs6000/rs6000.opt (mfuture): New target option.
 693         * doc/invoke.texi (mcpu): Add future cpu.
 694
 695 2019-05-23  Martin Liska  <mliska@suse.cz>
 696
 697         PR c++/90587
 698         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 699         operation points to a temporary (pointed via tree_to_wide_ref)
 700         that is out of scope after the &.
 701
 702 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 703
 704         PR c++/90592
 705         * doc/extend.texi (Function Names): Add missing word.
 706
 707 2019-05-23  Richard Biener  <rguenther@suse.de>
 708
 709         PR tree-optimization/88440
 710         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 711         at -O[2s]+.
 712         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 713         generated call.
 714         (generate_memcpy_builtin): Likewise.
 715         (distribute_loop): Pass in whether to only distribute patterns.
 716         (prepare_perfect_loop_nest): Also allow size optimization.
 717         (pass_loop_distribution::execute): When optimizing a loop
 718         nest for size allow pattern replacement.
 719
 720 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 721
 722         PR target/90568
 723         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 724         of xor.
 725
 726 2019-05-23  Martin Liska  <mliska@suse.cz>
 727
 728         PR sanitizer/90570
 729         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 730         expression similarly to gimplify_decl_expr.
 731
 732 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 733
 734         * cse.c (cse_dump_path): s/dump_file/f.
 735
 736 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 737
 738         PR c++/90462
 739         * diagnostic-format-json.cc: Include "selftest.h".
 740         (json_from_expanded_location): Only add "file" key for non-NULL
 741         file strings.
 742         (json_from_location_range): Don't add "start" and "finish"
 743         children if they are UNKNOWN_LOCATION.
 744         (selftest::test_unknown_location): New selftest.
 745         (selftest::test_bad_endpoints): New selftest.
 746         (selftest::diagnostic_format_json_cc_tests): New function.
 747         * json.cc (json::object::get): New function.
 748         (selftest::test_object_get): New selftest.
 749         (selftest::json_cc_tests): Call it.
 750         * json.h (json::object::get): New decl.
 751         * selftest-run-tests.c (selftest::run_tests): Call
 752         selftest::diagnostic_format_json_cc_tests.
 753         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 754         decl.
 755
 756 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 757             Andrew Stubbs  <amd@codesourcery.com>
 758
 759         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 760         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 761         (kernel): Rename to...
 762         (main_kernel): ... this.
 763         (load_image): Load _init_array and _fini_array kernels.
 764         (run): Add argument for kernel to run.
 765         (main): Run init_array_kernel before main_kernel, and
 766         fini_array_kernel after.
 767         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 768         amdgpu_hsa_kernel attribute on functions.
 769         (gcn_disable_constructors): Delete.
 770         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 771         * config/gcn/crt0.c (size_t): Define.
 772         (_init_array, _fini_array): New.
 773         (__preinit_array_start, __preinit_array_end,
 774         __init_array_start, __init_array_end,
 775         __fini_array_start, __fini_array_end): Declare weak references.
 776
 777 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 778
 779         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 780
 781 2019-05-22  Jason Merrill  <jason@redhat.com>
 782
 783         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 784
 785 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 786
 787         PR target/88483
 788         * config/i386/i386-options.c (ix86_init_machine_status): Set
 789         stack_frame_required to true.
 790         * config/i386/i386.c (ix86_get_frame_size): New function.
 791         (ix86_frame_pointer_required): Replace get_frame_size with
 792         ix86_get_frame_size.
 793         (ix86_compute_frame_layout): Likewise.
 794         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 795         stack_frame_required.
 796         (ix86_finalize_stack_frame_flags): Always call
 797         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 798         ix86_get_frame_size.
 799         * config/i386/i386.h (machine_function): Add stack_frame_required.
 800
 801 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 802
 803         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 804
 805 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 806
 807         * common/config/aarch64/aarch64-common.c
 808         (struct aarch64_option_extension, struct processor_name_to_arch,
 809         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 810         aarch64_contains_opt,
 811         aarch64_get_extension_string_for_isa_flags): Change type of
 812         variables storing flags to uint64_t.
 813         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 814         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 815         * config/aarch64/aarch64.c (struct processor,
 816         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 817         aarch64_validate_march, aarch64_override_options,
 818         aarch64_option_print, aarch64_handle_attr_isa_flags,
 819         aarch64_declare_function_name, aarch64_start_file): Make flag
 820         variables uint64_t.
 821         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 822         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 823         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 824         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 825         * config/aarch64/driver-aarch64.c
 826         (struct aarch64_arch_extension, struct aarch64_core_data,
 827         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 828         flag variables uint64_t.
 829         * doc/invoke.texi: Add documentation for new arguments.
 830
 831 2019-05-22  Richard Biener  <rguenther@suse.de>
 832
 833         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 834         rewrite ...
 835         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 836
 837 2019-05-22  Martin Liska  <mliska@suse.cz>
 838
 839         PR lto/90500
 840         * doc/extend.texi: Document the change.
 841
 842 2019-05-22  Richard Biener  <rguenther@suse.de>
 843
 844         PR tree-optimization/90450
 845         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 846         (mem_ref_hasher::equal): Check it.
 847         (mem_ref_alloc): Initialize it.
 848         (gather_mem_refs_stmt): Set it.
 849
 850 2019-05-22  Richard Biener  <rguenther@suse.de>
 851
 852         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 853         Add ABS_EXPR.
 854         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 855         as ABSU_EXPR.
 856
 857 2019-05-22  Alan Modra  <amodra@gmail.com>
 858
 859         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 860         (ASM_CPU_SPEC): Conditionally add -many.
 861         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 862         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 863         (rs6000_file_start): ..extracted from here, and modified to
 864         test all ISA bits.
 865         (rs6000_output_function_prologue): Emit .machine as necessary.
 866         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 867         power mnemonics.
 868         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 869         added by check_vect_support_and_set_flags.
 870         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 871         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 872
 873 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 874
 875         PR middle-end/90553
 876         * ira-lives.c (process_bb_node_lives): Consider defs
 877         for a call insn to be die before the call, not after.
 878
 879         * function.c (assign_parm_setup_block): Raise alignment of
 880         stacked parameter only for STRICT_ALIGNMENT targets.
 881
 882 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 883
 884         * config/rs6000/constraints.md (define_register_constraint "wz"):
 885         Delete.
 886         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 887         RS6000_CONSTRAINT_wz.
 888         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 889         (rs6000_init_hard_regno_mode_ok): Adjust.
 890         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 891         * doc/md.texi (Machine Constraints): Adjust.
 892
 893 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 894
 895         * config/rs6000/constraints.md (define_register_constraint "wl"):
 896         Delete.
 897         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 898         RS6000_CONSTRAINT_wl.
 899         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 900         (rs6000_init_hard_regno_mode_ok): Adjust.
 901         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 902         * doc/md.texi (Machine Constraints): Adjust.
 903
 904 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 905
 906         * config/rs6000/constraints.md (define_register_constraint "wm"):
 907         Delete.
 908         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 909         RS6000_CONSTRAINT_wm.
 910         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 911         (rs6000_init_hard_regno_mode_ok): Adjust.
 912         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 913         * doc/md.texi (Machine Constraints): Adjust.
 914
 915 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 916
 917         * config/rs6000/constraints.md (define_register_constraint "wk"):
 918         Delete.
 919         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 920         RS6000_CONSTRAINT_wk.
 921         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 922         (rs6000_init_hard_regno_mode_ok): Adjust.
 923         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 924         * doc/md.texi (Machine Constraints): Adjust.
 925
 926 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 927
 928         * config/rs6000/constraints.md (define_register_constraint "wj"):
 929         Delete.
 930         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 931         RS6000_CONSTRAINT_wj.
 932         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 933         (rs6000_init_hard_regno_mode_ok): Adjust.
 934         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 935         (VS_64dm): Delete.
 936         * config/rs6000/vsx.md: Ditto.
 937         * doc/md.texi (Machine Constraints): Adjust.
 938
 939 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 940
 941         * config/rs6000/constraints.md (define_register_constraint "wh"):
 942         Delete.
 943         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 944         RS6000_CONSTRAINT_wh.
 945         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 946         (rs6000_init_hard_regno_mode_ok): Adjust.
 947         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 948         * doc/md.texi (Machine Constraints): Adjust.
 949
 950 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 951
 952         PR target/90547
 953         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 954         Avoid calling gen_lowpart with CONST operand.
 955
 956 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 957
 958         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 959         field template_last_to_copy.
 960         (ssa_create_duplicates): Set it, and use it.  Attempt to
 961         preserve more debug stmts.
 962
 963 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 964
 965         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 966         (signbit<mode>2): New expander
 967
 968 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 969
 970         PR bootstrap/87338
 971         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 972         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 973
 974 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 975
 976         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 977         %ebx and %ecx bafore calling cpuid with leaf 1 or
 978         non-constant leaf argument.
 979
 980 2019-05-21  Alan Modra  <amodra@gmail.com>
 981
 982         PR target/90545
 983         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 984         power9 direct move cost.
 985         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 986         Correct comments and rename functions to suit parameters.
 987
 988 2019-05-21  Richard Biener  <rguenther@suse.de>
 989
 990         PR middle-end/90510
 991         * fold-const.c (fold_read_from_vector): New function.
 992         * fold-const.h (fold_read_from_vector): Declare.
 993         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 994         single-element insert permutations.  Canonicalize selector
 995         further and fix issue with last commit.
 996
 997 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 998
 999         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1000         parameter with default value false to declaration.
1001         (split_edges_for_insertion): New inline function.  Wrapper for
1002         split_critical_edges with for_edge_insertion_p = true.
1003         * tree-cfg.c (split_critical_edges): Don't split non-critical
1004         edges if for_edge_insertion_p is false.  Fix whitespace.
1005         * tree-ssa-pre.c (pass_pre::execute): Call
1006         split_edges_for_insertion instead of split_critical_edges.
1007         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1008         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1009         (pass_data_sink_code): Update function name in the comment.
1010
1011 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1012
1013         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1014         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1015         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1016         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1017         positives.
1018
1019 2019-05-21  Martin Liska  <mliska@suse.cz>
1020
1021         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1022         an extra newline.
1023         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1024         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1025         vec_lvsr.
1026         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1027         Quote a C type.
1028         (rs6000_function_arg): Likewise.
1029         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1030         (rs6000_expand_ternop_builtin): Use interval syntax.
1031         (get_element_number): Likewise.
1032         (altivec_expand_builtin): Likewise.
1033         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1034
1035 Fix test-suite.
1036
1037 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1038
1039         PR c++/59813
1040         PR target/90418
1041         * function.h (struct function): Add calls_eh_return member.
1042         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1043         gimplifying __builtin_eh_return call.
1044         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1045         to cfun.
1046         (expand_call_inline): Or in src_cfun->calls_eh_return into
1047         dst_cfun->calls_eh_return.
1048         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1049         cfun->calls_eh_return.
1050         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1051         * lto-streamer-out.c (output_struct_function_base): Write
1052         calls_eh_return.
1053
1054 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1055
1056         PR rtl-optimization/43147
1057         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1058         IX86_BUILTIN_SHUFPD.
1059
1060 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1061
1062         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1063         (refs_may_alias_p_1): ... here; update stats.
1064         (refs_may_alias_p): Do not update stats here.
1065
1066 2019-05-20  Richard Biener  <rguenther@suse.de>
1067
1068         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1069         doesn't produce pointers.
1070         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1071         the first operand points to.
1072
1073 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1074
1075         * tree-ssa-alias.c (compare_sizes): New function.
1076         (sompare_type_sizes): New function
1077         (aliasing_component_refs_p): Use it.
1078         (indirect_ref_may_alias_decl_p): Likewise.
1079
1080 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1081
1082         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1083
1084 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1085
1086         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1087         (LIBLSAN_EARLY_SPEC): Likewise.
1088         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1089
1090 2019-05-20  Martin Liska  <mliska@suse.cz>
1091
1092         * config/i386/i386.c (ix86_libc_has_fast_function):
1093         Add ATTRIBUTE_UNUSED for the argument.
1094
1095 2019-05-20  Richard Biener  <rguenther@suse.de>
1096
1097         * gimple-match-head.c: Include vec-perm-indices.h.
1098         * generic-match-head.c: Likewise.
1099         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1100         is included.
1101         * fold-const.c (fold_vec_perm): Export.
1102         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1103         (match.pd): ...here.
1104
1105 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1106
1107         * cfgloop.h (struct loop): Add simdlen member.
1108         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1109         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1110         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1111         as new argument to autovectorize_vector_sizes target hook.  If
1112         loop->simdlen, pick up vector size where the vectorization factor
1113         is equal to loop->simd, and if there is none, fall back to the first
1114         successful one.
1115         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1116         caller.
1117         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1118         * omp-general.c (omp_max_vf): Likewise.
1119         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1120         * tree-vect-slp.c (vect_slp_bb): Likewise.
1121         * target.def (autovectorize_vector_sizes): Add ALL argument and
1122         document it.
1123         * doc/tm.texi: Adjust documentation.
1124         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1125         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1126         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1127         bool argument.
1128         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1129         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1130         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1131         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1132         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1133         preferred vector size is not 512-bit or 256-bit, just put those
1134         unpreferred ones last.
1135
1136 2019-05-20  Martin Liska  <mliska@suse.cz>
1137
1138         * targhooks.c (default_libc_has_fast_function): New function.
1139         * targhooks.h (default_libc_has_fast_function): Likewise.
1140
1141 2019-05-20  Martin Liska  <mliska@suse.cz>
1142
1143         PR middle-end/90263
1144         * builtins.c (expand_builtin_memory_copy_args): When having a
1145         target with fast mempcpy implementation do now use memcpy.
1146         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1147         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1148         * doc/tm.texi: Likewise.
1149         * doc/tm.texi.in: Likewise.
1150         * target.def:
1151         * expr.c (emit_block_move_hints): Add 2 new arguments.
1152         * expr.h (emit_block_move_hints): Bail out when libcall
1153         to memcpy would be used.
1154
1155 2019-05-20  Martin Liska  <mliska@suse.cz>
1156
1157         * profile-count.c: Add vertical spacing in order
1158         to separate functions.
1159         * profile-count.h: Likewise.
1160
1161 2019-05-20  Martin Liska  <mliska@suse.cz>
1162
1163         * profile-count.h: Do not use full qualified
1164         names if possible.
1165         * profile-count.c (profile_count::to_frequency): Likewise.
1166
1167 2019-05-20  Martin Liska  <mliska@suse.cz>
1168
1169         * profile-count.h (enum profile_quality): Use capital letters
1170         for enum value names.  Use the adjusted names.
1171         * profile-count.c: Use the adjusted names.
1172
1173 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1174
1175         * config/rs6000/constraints.md (define_register_constraint "wH"):
1176         Delete.
1177         (define_register_constraint "wI"): Delete.
1178         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1179         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1180         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1181         (rs6000_init_hard_regno_mode_ok): Adjust.
1182         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1183         resp. "d", or with "wa" as appropriate, all with "p8v".
1184         * config/rs6000/vsx.md: Ditto.
1185         * doc/md.texi (Machine Constraints): Adjust.
1186
1187 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1188
1189         * config/rs6000/constraints.md (define_register_constraint "wy"):
1190         Delete.
1191         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1192         RS6000_CONSTRAINT_wy.
1193         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1194         (rs6000_init_hard_regno_mode_ok): Adjust.
1195         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1196         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1197         (define_mode_attr Fisa): New.
1198         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1199         * doc/md.texi (Machine Constraints): Adjust.
1200
1201 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1202
1203         * config/rs6000/constraints.md (define_register_constraint "wu"):
1204         Delete.
1205         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1206         RS6000_CONSTRAINT_wu.
1207         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1208         (rs6000_init_hard_regno_mode_ok): Adjust.
1209         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1210         both with "p8v".
1211         (define_mode_attr Fa): Delete.
1212         * config/rs6000/vsx.md: Ditto.
1213         * doc/md.texi (Machine Constraints): Adjust.
1214
1215 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1216
1217         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1218         Delete.
1219         (define_register_constraint "wK"): Delete.
1220         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1221         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1222         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1223         (rs6000_init_hard_regno_mode_ok): Adjust.
1224         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1225         Replace "wK" constraint by "wH" with "p9v".
1226         * config/rs6000/vsx.md: Ditto.
1227         * doc/md.texi (Machine Constraints): Adjust.
1228
1229 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1230
1231         * config/rs6000/constraints.md (define_register_constraint "wb"):
1232         Delete.
1233         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1234         RS6000_CONSTRAINT_wb.
1235         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1236         (rs6000_init_hard_regno_mode_ok): Adjust.
1237         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1238         * config/rs6000/vsx.md: Ditto.
1239         * doc/md.texi (Machine Constraints): Adjust.
1240
1241 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1242
1243         * config/rs6000/constraints.md (define_register_constraint "wo"):
1244         Delete.
1245         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1246         RS6000_CONSTRAINT_wo.
1247         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1248         (rs6000_init_hard_regno_mode_ok): Adjust.
1249         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1250         * config/rs6000/altivec.md: Ditto.
1251         * doc/md.texi (Machine Constraints): Adjust.
1252
1253 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1254
1255         * config/darwin-c.c (darwin_register_objc_includes): Do not
1256         prepend the sysroot when building gnu-runtime header search
1257         paths.
1258
1259 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1260
1261         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1262         instead of direct output of the asm.
1263
1264 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1265
1266         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1267         argument to be type bool (was int before).
1268         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1269         at first use.  Use type bool for some variables.  Fix a theoretical
1270         eh_return bug for svr4.
1271
1272 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1273
1274         * config/rs6000/rs6000.md (isa): New attribute.
1275         (enabled): New attribute.
1276
1277 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1278
1279         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1280         assemble_start_function and assemble_end_function.
1281
1282 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1283
1284         PR middle-end/89433
1285         * omp-general.c (oacc_verify_routine_clauses): Change formal
1286         parameters.  Add checking if already marked with an OpenACC
1287         'routine' directive.  Adjust all users.
1288
1289         PR middle-end/89433
1290         * omp-general.c (oacc_build_routine_dims): Move some of its
1291         processing into...
1292         (oacc_verify_routine_clauses): ... this new function.
1293         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1294
1295 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1296
1297         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1298         formating of picbase labels to match other ports.
1299
1300 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1301
1302         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1303         in the generated code.
1304
1305 2019-05-16  Martin Sebor  <msebor@redhat.com>
1306
1307         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1308         identifiers, keywords, operators, and types in diagnostics.  Correct
1309         quoting, spelling, and sentence capitalization issues.
1310         (expand_builtin_atomic_is_lock_free): Same.
1311         (fold_builtin_next_arg): Same.
1312         * cfgexpand.c (expand_one_var): Same.
1313         (tree_conflicts_with_clobbers_p): Same.
1314         (expand_asm_stmt): Same.
1315         (verify_loop_structure): Same.
1316         * cgraphunit.c (process_function_and_variable_attributes): Same.
1317         * collect-utils.c (collect_execute): Same.
1318         * collect2.c (maybe_run_lto_and_relink): Same.
1319         (is_lto_object_file): Same.
1320         (scan_prog_file): Same.
1321         * convert.c (convert_to_real_1): Same.
1322         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1323         * except.c (verify_eh_tree): Same.
1324         * gcc.c (execute): Same.
1325         (eval_spec_function): Same.
1326         (run_attempt): Same.
1327         (driver::set_up_specs): Same.
1328         (compare_debug_auxbase_opt_spec_function): Same.
1329         * gcov-tool.c (unlink_gcda_file): Same.
1330         (do_merge): Same.
1331         (do_rewrite): Same.
1332         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1333         * gimplify.c (gimplify_asm_expr): Same.
1334         (gimplify_adjust_omp_clauses): Same.
1335         * hsa-gen.c (gen_hsa_addr_insns): Same.
1336         (gen_hsa_insns_for_load): Same.
1337         (gen_hsa_cmp_insn_from_gimple): Same.
1338         (gen_hsa_insns_for_operation_assignment): Same.
1339         (gen_get_level): Same.
1340         (gen_hsa_alloca): Same.
1341         (omp_simple_builtin::generate): Same.
1342         (gen_hsa_atomic_for_builtin): Same.
1343         (gen_hsa_insns_for_call): Same.
1344         * input.c (dump_location_info): Same.
1345         * ipa-devirt.c (compare_virtual_tables): Same.
1346         * ira.c (ira_setup_eliminable_regset): Same.
1347         * lra-assigns.c (lra_assign): Same.
1348         * lra-constraints.c (lra_constraints): Same.
1349         * lto-streamer-in.c (lto_input_mode_table): Same.
1350         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1351         (merge_and_complain): Same.
1352         (compile_offload_image): Same.
1353         (compile_images_for_offload_targets): Same.
1354         (debug_objcopy): Same.
1355         (run_gcc): Same.
1356         (main): Same.
1357         * opts.c (print_specific_help): Same.
1358         (parse_no_sanitize_attribute): Same.
1359         (print_help): Same.
1360         (handle_param): Same.
1361         * plugin.c (add_new_plugin): Same.
1362         (parse_plugin_arg_opt): Same.
1363         (try_init_one_plugin): Same.
1364         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1365         operators, and types in diagnostics.  Correct quoting and spelling
1366         issues.
1367         * read-rtl-function.c (parse_edge_flag_token): Same.
1368         (function_reader::parse_enum_value): Same.
1369         * reg-stack.c (check_asm_stack_operands): Same.
1370         * regcprop.c (validate_value_data): Same.
1371         * sched-rgn.c (make_pass_sched_fusion): Same.
1372         * stmt.c (check_unique_operand_names): Same.
1373         * targhooks.c (default_target_option_pragma_parse): Same.
1374         * tlink.c (recompile_files): Same.
1375         * toplev.c (process_options): Same.
1376         (do_compile): Same.
1377         * trans-mem.c (diagnose_tm_1): Same.
1378         (ipa_tm_scan_irr_block): Same.
1379         (ipa_tm_diagnose_transaction): Same.
1380         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1381         format a tree code name in a diagnostic.
1382         (verify_types_in_gimple_min_lval): Same.
1383         (verify_types_in_gimple_reference): Same.
1384         (verify_gimple_call): Same.
1385         (verify_gimple_assign_unary): Same.
1386         (verify_gimple_assign_binary): Same.
1387         (verify_gimple_assign_ternary): Same.
1388         (verify_gimple_assign_single): Same.
1389         (verify_gimple_switch): Same.
1390         (verify_gimple_label): Same.
1391         (verify_gimple_phi): Same.
1392         (verify_gimple_in_seq): Same.
1393         (verify_eh_throw_stmt_node): Same.
1394         (collect_subblocks): Same.
1395         (gimple_verify_flow_info): Same.
1396         (do_warn_unused_result): Same.
1397         * tree-inline.c (expand_call_inline): Same.
1398         * tree-into-ssa.c (update_ssa): Same.
1399         * tree.c (tree_int_cst_elt_check_failed): Same.
1400         (tree_vec_elt_check_failed): Same.
1401         (omp_clause_operand_check_failed): Same.
1402         (verify_type_variant): Same.
1403         (verify_type): Same.
1404         * value-prof.c (verify_histograms): Same.
1405         * varasm.c (assemble_start_function): Same.
1406
1407 2019-05-16  Martin Sebor  <msebor@redhat.com>
1408
1409         * config/i386/i386-expand.c (get_element_number): Quote keywords
1410         and other internal names in diagnostics.  Adjust other diagnostic
1411         formatting issues noted by -Wformat-diag.
1412         * config/i386/i386-features.c
1413         (ix86_mangle_function_version_assembler_name): Same.
1414         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1415         * config/i386/i386.c (ix86_function_type_abi): Same.
1416         (ix86_function_ms_hook_prologue): Same.
1417         (classify_argument): Same.
1418         (ix86_expand_prologue): Same.
1419         (ix86_md_asm_adjust): Same.
1420         (ix86_memmodel_check): Same.
1421
1422 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1423
1424         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1425         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1426         and fpxx modes.
1427
1428 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1429
1430         PR target/90497
1431         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1432         intrinsics without SSE/SSE2/SSSE3.
1433         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1434         check.
1435         (*mmx_uavgv8qi3): Likewise.
1436
1437 2019-05-17  Richard Biener  <rguenther@suse.de>
1438
1439         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1440         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1441
1442 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1443
1444         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1445         vec_sldw insn pattern.
1446
1447 2019-05-17  Richard Biener  <rguenther@suse.de>
1448
1449         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1450
1451 2019-05-17  Martin Liska  <mliska@suse.cz>
1452
1453         PR driver/90496
1454         * toplev.c (output_stack_usage): With LTO and sanitizer it
1455         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1456         has no file location.
1457
1458 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1459
1460         PR c++/90484
1461         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1462         sz0 is equal to sz1, instead return false in that case.
1463
1464         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1465         has non-constant expression, force sctx.lane and use two
1466         argument IFN_GOMP_SIMD_LANE instead of single argument.
1467         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1468         two argument IFN_GOMP_SIMD_LANE without lhs.
1469         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1470         member.
1471         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1472         Define.
1473         (LOOP_REQUIRES_VERSIONING): Or in
1474         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1475         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1476         simd_if_cond.
1477         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1478         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1479         from simd if clause if needed.
1480
1481 2019-05-16  Richard Biener  <rguenther@suse.de>
1482
1483         * tree-affine.c (expr_to_aff_combination): New function split
1484         out from...
1485         (tree_to_aff_combination): ... here.
1486         (aff_combination_expand): Avoid building a GENERIC tree.
1487
1488 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1489
1490         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1491         assemble_start_function and assemble_end_function calls.
1492         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1493         assemble_start_function and assemble_end_function.
1494         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1495         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1496         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1497         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1498         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1499         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1500         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1501         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1502         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1503         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1504         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1505         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1506         Likewise.
1507         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1508         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1509         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1510         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1511         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1512         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1513         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1514         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1515         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1516         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1517         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1518         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1519         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1520         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1521         Likewise.
1522         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1523         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1524         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1525
1526 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1527
1528         * tree-ssa-alias.c (alias_stats): Add
1529         aliasing_component_refs_p_may_alias and
1530         aliasing_component_refs_p_no_alias.
1531         (dump_alias_stats): Print aliasing_component_refs_p stats.
1532         (aliasing_component_refs_p): Update stats.
1533
1534 2019-05-16  Martin Liska  <mliska@suse.cz>
1535
1536         PR lto/90500
1537         * multiple_target.c (expand_target_clones): Do not allow
1538         target_clones being used with a symbol that is an alias.
1539
1540 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1541
1542         PR tree-optimization/90394
1543         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1544         positives rather than ICE for cases where (code2 == NE_EXPR
1545         && code1 == BIT_AND_EXPR).
1546
1547 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1548
1549         PR fortran/90329
1550         * tree-core.h (struct tree_decl_common): Document
1551         decl_nonshareable_flag for PARM_DECLs.
1552         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1553         * calls.c (expand_call): Don't try tail call if caller
1554         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1555         passed on the stack and callee needs to pass any arguments on the
1556         stack.
1557         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1558         else if instead of series of mutually exclusive ifs.  Handle
1559         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1560         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1561
1562         * lto-streamer.h (LTO_major_version): Bump to 9.
1563
1564 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1565
1566         PR tree-optimization/90106
1567         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1568         new parameter as new internal function call, also move it to new
1569         basic block.
1570         (use_internal_fn): Pass internal function call to
1571         shrink_wrap_one_built_in_call_with_conds.
1572
1573 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1574
1575         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1576         max_vf to 1.
1577         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1578         safelen_int and set loop->dont_vectorize.
1579
1580 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1581
1582         PR target/89021
1583         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1584         SSE/SSE2/SSSE3.
1585         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1586         Likewise.
1587         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1588         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1589         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1590         is defined.
1591
1592 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1593
1594         PR target/89021
1595         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1596         define_insn_and_split to support SSE emulation.
1597         (*vec_extractv2sf_0): Likewise.
1598         (*vec_extractv2sf_1): Likewise.
1599         (*vec_extractv2si_0): Likewise.
1600         (*vec_extractv2si_1): Likewise.
1601         (*vec_extractv2si_zext_mem): Likewise.
1602         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1603         (vec_extractv2sf_1 splitter): Likewise.
1604         (vec_extractv2sfsf): Likewise.
1605         (vec_setv2si): Likewise.
1606         (vec_extractv2si_1 splitter): Likewise.
1607         (vec_extractv2sisi): Likewise.
1608         (vec_setv4hi): Likewise.
1609         (vec_extractv4hihi): Likewise.
1610         (vec_setv8qi): Likewise.
1611         (vec_extractv8qiqi): Likewise.
1612         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1613         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1614         (vec_extractv2sisi): Likewise.
1615         (vec_extractv4hihi): Likewise.
1616         (vec_extractv8qiqi): Likewise.
1617         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1618         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1619         (vec_initv2sisi): Likewise.
1620         (vec_initv4hihi): Likewise.
1621         (vec_initv8qiqi): Likewise.
1622         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1623         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1624         (vec_setv4hi): Likewise.
1625         (vec_setv8qi): Likewise.
1626
1627 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1628
1629         PR target/89021
1630         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1631         TARGET_MMX_WITH_SSE.
1632         (MMXMODE:*mov<mode>_internal): Likewise.
1633         (MMXMODE:movmisalign<mode>): Likewise.
1634
1635 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1636
1637         PR target/89021
1638         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1639         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1640         (sse2_cvtpd2pi): Ditto.
1641         (sse2_cvttpd2pi): Ditto.
1642         (*vec_concatv2sf_sse4_1): Ditto.
1643         (*vec_concatv2sf_sse): Ditto.
1644         (*vec_concatv2si_sse4_1): Ditto.
1645         (*vec_concatv2si): Ditto.
1646         (*vec_concatv4si_0): Ditto.
1647         (*vec_concatv2di_0): Ditto.
1648
1649 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1650
1651         PR target/89021
1652         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1653
1654 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1655
1656         PR target/89021
1657         * config/i386/sse.md (ssse3_palignrdi): Changed to
1658         define_insn_and_split to support SSE emulation.
1659
1660 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1661
1662         PR target/89021
1663         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1664
1665 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1666
1667         PR target/89021
1668         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1669         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1670         SSE emulation.
1671
1672 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1673
1674         PR target/89021
1675         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1676         or TARGET_MMX_WITH_SSE.
1677         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1678
1679 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1680
1681         PR target/89021
1682         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1683
1684 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1685
1686         PR target/89021
1687         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1688         Changed to define_insn_and_split to support SSE emulation.
1689
1690 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1691
1692         PR target/89021
1693         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1694         Changed to define_insn_and_split to support SSE emulation.
1695
1696 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1697
1698         PR target/89021
1699         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1700         (*mmx_<emms>): This.
1701         (mmx_<emms>): New expander.
1702
1703 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1704
1705         PR target/89021
1706         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1707         support.
1708         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1709
1710 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1711
1712         PR target/89021
1713         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1714
1715 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1716
1717         PR target/89021
1718         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1719
1720 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1721
1722         PR target/89021
1723         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1724         TARGET_MMX_WITH_SSE.
1725         (*mmx_uavgv4hi3): Add SSE emulation.
1726
1727 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1728
1729         PR target/89021
1730         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1731         and TARGET_MMX_WITH_SSE.
1732         (*mmx_uavgv8qi3): Add SSE emulation.
1733
1734 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1735
1736         PR target/89021
1737         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1738         maskmovdqu for __MMX_WITH_SSE__.
1739
1740 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1741
1742         PR target/89021
1743         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1744         TARGET_MMX and TARGET_MMX_WITH_SSE.
1745         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1746
1747 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1748
1749         PR target/89021
1750         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1751         define_insn_and_split to support SSE emulation.
1752
1753 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1754
1755         PR target/89021
1756         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1757         and TARGET_MMX_WITH_SSE.
1758         (mmx_<code>v8qi3): Likewise.
1759         (smaxmin:<code>v4hi3): New.
1760         (umaxmin:<code>v8qi3): Likewise.
1761         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1762         (umaxmin:*mmx_<code>v8qi3): Likewise.
1763
1764 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1765
1766         PR target/89021
1767         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1768         TARGET_MMX_WITH_SSE.
1769         (*mmx_pinsrw): Add SSE emulation.
1770
1771 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1772
1773         PR target/89021
1774         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1775
1776 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1777
1778         PR target/89021
1779         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1780         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1781         SSE emulation.
1782
1783 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1784
1785         PR target/89021
1786         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1787         (sse_cvttps2pi): Likewise.
1788
1789 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1790
1791         PR target/89021
1792         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1793         TARGET_MMX_WITH_SSE.
1794         (mmx_pshufw_1): Add SSE emulation.
1795         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1796         TARGET_MMX_WITH_SSE to support SSE emulation.
1797
1798 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1799
1800         PR target/89021
1801         * config/i386/constraints.md (Yw): New constraint.
1802         * config/i386/mmx.md (*vec_dupv2si): Changed to
1803         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1804         support SSE emulation.
1805
1806 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1807
1808         PR target/89021
1809         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1810         TARGET_MMX_WITH_SSE.
1811         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1812         support.
1813         (mmx_gt<mode>3): Likewise.
1814
1815 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1816
1817         PR target/89021
1818         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1819         TARGET_MMX_WITH_SSE.  Add SSE support.
1820
1821 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1822
1823         PR target/89021
1824         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1825         TARGET_MMX_WITH_SSE.
1826         (any_logic:<code><mode>3): New.
1827         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1828         Add SSE support.
1829
1830 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1831
1832         PR target/89021
1833         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1834         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1835         (mmx_<shift_insn><mode>3): Likewise.
1836         (ashr<mode>3): New.
1837         (<shift_insn><mode>3): Likewise.
1838
1839 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1840
1841         PR target/89021
1842         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1843         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1844
1845 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1846
1847         PR target/89021
1848         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1849         TARGET_MMX_WITH_SSE.
1850         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1851         SSE support.
1852
1853 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1854
1855         PR target/89021
1856         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1857         TARGET_MMX_WITH_SSE.
1858         (mulv4hi3): New.
1859         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1860         support.
1861
1862 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1863
1864         PR target/89021
1865         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1866         (plusminus:mmx_<plusminus_insn><mode>3): Check
1867         TARGET_MMX_WITH_SSE.
1868         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1869         (<plusminus_insn><mode>3): New.
1870         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1871         (*mmx_<plusminus_insn><mode>3): Likewise.
1872
1873 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1874
1875         PR target/89021
1876         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1877         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1878         prototype.
1879         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1880         define_insn_and_split to support SSE emulation.
1881         (mmx_punpcklbw): Likewise.
1882         (mmx_punpckhwd): Likewise.
1883         (mmx_punpcklwd): Likewise.
1884         (mmx_punpckhdq): Likewise.
1885         (mmx_punpckldq): Likewise.
1886
1887 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1888             Uros Bizjak  <ubizjak@gmail.com>
1889
1890         PR target/89021
1891         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1892         New function.
1893         (ix86_split_mmx_pack): Likewise.
1894         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1895         New prototype.
1896         (ix86_split_mmx_pack): Likewise.
1897         * config/i386/i386.md (mmx_isa): New.
1898         (enabled): Also check mmx_isa.
1899         * config/i386/mmx.md (any_s_truncate): New code iterator.
1900         (s_trunsuffix): New code attr.
1901         (mmx_packsswb): Removed.
1902         (mmx_packssdw): Likewise.
1903         (mmx_packuswb): Likewise.
1904         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1905         MMX packsswb/packuswb with SSE2.
1906         (mmx_packssdw): Likewise.
1907         * config/i386/predicates.md (register_mmxmem_operand): New.
1908
1909 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1910
1911         PR target/89021
1912         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1913         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1914         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1915         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1916         (ix86_vector_mode_supported_p): Likewise.
1917         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1918
1919 2019-05-15  Martin Liska  <mliska@suse.cz>
1920
1921         PR middle-end/90478
1922         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1923         Check for overflow.
1924
1925 2019-05-15  Richard Biener  <rguenther@suse.de>
1926
1927         * tree-into-ssa.c (pass_build_ssa::execute): Run
1928         update_address_taken before going into SSA.
1929
1930 2019-05-15  Richard Biener  <rguenther@suse.de>
1931
1932         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1933         as __BIT_FIELD_REF with type with -gimple.
1934
1935 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1936
1937         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1938         semantically equivalent branches (left over after prior refactorings).
1939
1940 2019-05-15  Richard Biener  <rguenther@suse.de>
1941
1942         PR tree-optimization/88828
1943         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1944         bogus check.
1945
1946 2019-05-14  Richard Biener  <rguenther@suse.de>
1947
1948         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1949         as __VIEW_CONVERT with -gimple.
1950
1951 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1952
1953         PR target/82920
1954         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1955         Darwin.
1956
1957 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1958
1959         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1960         define_split to become a define_insn_and_split.
1961
1962 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1963
1964         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1965         arguments.
1966         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1967         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1968         (sibcall_epilogue): Adjust.
1969         (epilogue): Adjust.
1970
1971 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1972
1973         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1974         to unsupported ones.
1975         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1976         * config.host: Likewise.
1977         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1978         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1979         __svr4__]: Remove "brand" fallback.
1980         [!KSTAT_DATA_STRING]: Remove.
1981         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1982         to *-*-solaris2*.
1983         (comdat_group): Likewise.
1984         (set_have_as_tls): Likewise.
1985         (gcc_cv_target_dl_iterate_phdr): Likewise.
1986         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1987         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1988         * configure: Regenerate.
1989         * doc/install.texi: Simplify Solaris target triplets.
1990         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1991         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1992         Remove Solaris 10 references.
1993         Remove obsolete Solaris bug reference.
1994         (Specific, sparc-sun-solaris2.10): Remove.
1995
1996 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1997
1998         * config/i386/i386.md (any_div): New code iterator.
1999         (paired_mod): New code attribute.
2000         (sgnprefix): Handle DIV and UDIV RTXes.
2001         (u): Ditto.
2002         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2003         and udivmod<mode>4 patterns using any_div code iterator.
2004         (divmod splitters): Macroize splitters using any_div code iterator.
2005         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2006         (*udivmodsi4_pow2_zext_2): Ditto.
2007         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2008         and *udivmod<mode>4_noext patterns using any_div code iterator.
2009         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2010         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2011         patterns using any_div code iterator.
2012         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2013         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2014         patterns using any_div code iterator.
2015         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2016         udivmodhiqi3 patterns using any_extend code iterator.
2017
2018 2019-05-14  Richard Biener  <rguenther@suse.de>
2019             H.J. Lu  <hongjiu.lu@intel.com>
2020
2021         PR tree-optimization/88828
2022         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2023         permuting in a single non-constant element not extracted
2024         from a vector.
2025
2026 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2027
2028         * internal-fn.def (SIGNBIT): New.
2029         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2030         defined.
2031         (signbitv4sf2): Likewise.
2032
2033 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2034
2035         PR target/90357
2036         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2037         next insn when the SRC reg is dead.
2038
2039 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2040
2041         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2042         (alloc_cand_and_find_basis): Ditto.
2043         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2044         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2045         (create_add_imm_cand, slsr_process_cast): Ditto.
2046         (slsr_process_copy, replace_mult_candidate): Ditto.
2047         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2048         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2049         (pass_strength_reduction::execute): Init the first NULL element.
2050
2051 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2052
2053         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2054         (run_attempt): Reformat line break.
2055
2056 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2057
2058         PR target/90418
2059         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2060         data registers in sibcall epilogues.
2061         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2062
2063 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2064
2065         PR target/89221
2066         * configure.ac (--enable-frame-pointer):
2067         Disable by default for cygwin and mingw.
2068         * configure: Regenerate.
2069
2070 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2071
2072         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2073         piece of code.
2074         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2075         (gen_member_die): Move abstract origin check earlier.  Only VARs
2076         can be static_inline_p.  Simplify splicing control flow.
2077
2078 2019-05-13  Richard Biener  <rguenther@suse.de>
2079
2080         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2081         VIEW_CONVERT_EXPR.
2082         (vect_build_slp_tree_1): Likewise.
2083
2084 2019-05-13  Richard Biener  <rguenther@suse.de>
2085
2086         PR tree-optimization/90402
2087         * tree-if-conv.c (tree_if_conversion): Value number only
2088         the loop body by making the latch an exit of the region
2089         as well.
2090         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2091         processing PHIs.
2092         (do_rpo_vn): Deal with multiple edges into the entry block
2093         that are not backedges inside the region by skipping PHIs
2094         of the entry block.
2095
2096 2019-05-13  Richard Biener  <rguenther@suse.de>
2097
2098         PR tree-optimization/90316
2099         * tree-ssa-pre.c (insert_aux): Fold into ...
2100         (insert): ... this function.  Use a RPO walk to reduce the
2101         number of required iterations.
2102
2103 2019-05-13  Martin Liska  <mliska@suse.cz>
2104
2105         PR tree-optimization/90416
2106         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2107         string instead of passing the second part as va_arg argument.
2108
2109 2019-05-13  Martin Liska  <mliska@suse.cz>
2110
2111         PR gcov-profile/90380
2112         * gcov.c (handle_cycle): Do not support zero cycle count,
2113         it should not be possible.
2114         (path_contains_zero_cycle_arc): New function.
2115         (circuit): Ignore zero cycle arc counts.
2116
2117 2019-05-13  Martin Liska  <mliska@suse.cz>
2118
2119         PR gcov-profile/90380
2120         * gcov.c (enum loop_type): Remove the enum and
2121         the operator.
2122         (handle_cycle): Assert that we should not reach
2123         a negative count.
2124         (circuit): Use loop_found instead of a tri-state loop_type.
2125         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2126         happen.
2127
2128 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2129
2130         PR target/82920
2131         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2132         (ix86_output_indirect_branch_via_reg): Use output mechanism
2133         accounting for __USER_LABEL_PREFIX__.
2134         (ix86_output_indirect_branch_via_push): Likewise.
2135         (ix86_output_function_return): Likewise.
2136         (ix86_output_indirect_function_return): Likewise.
2137
2138 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2139
2140         * doc/md.texi: Document use of code attributes in rtx patterns.
2141         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2142         * read-rtl.c (find_code): Split out search loops into...
2143         (maybe_find_code): ...this new function.
2144         (check_code_iterator): Make the error message more informative.
2145         (check_code_attribute): New function.
2146         (rtx_reader::rtx_alloc_for_name): Likewise.
2147         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2148         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2149         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2150         <max_opp> directly as an rtx code instead of via a match_operator.
2151         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2152         (<su>abd<mode>_3): Update accordingly.
2153
2154 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2155
2156         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2157         is given, print the state of the EH "save world" computation for
2158         Darwin.
2159
2160 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR c++/59813
2163         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2164         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2165
2166 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2167
2168         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2169         Use pinsrd for TARGET_SSE4_1.
2170         * config/i386/sse.md (movdi_to_sse): Ditto.
2171
2172 2019-05-10  Richard Biener  <rguenther@suse.de>
2173
2174         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2175         (do_rpo_vn): Initialize next_value_id.
2176
2177 2019-05-10  Martin Liska  <mliska@suse.cz>
2178
2179         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2180         Fix plural form.
2181
2182 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2183
2184         PR tree-optimization/90385
2185         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2186         arguments of the exit phis.
2187
2188         PR c++/90383
2189         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2190         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2191         id->do_not_fold.
2192         (copy_tree_body_r): Likewise.
2193         (copy_fn): Set id.do_not_fold to true.
2194
2195 2019-05-10  Martin Liska  <mliska@suse.cz>
2196
2197         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2198         Reapply changes from r269790.
2199
2200 2019-05-10  Martin Liska  <mliska@suse.cz>
2201
2202         PR middle-end/90340
2203         * doc/invoke.texi: New params.
2204         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2205         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2206         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2207         Use it.
2208         * tree-switch-conversion.h (struct jump_table_cluster):
2209         Likewise.
2210
2211 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2212
2213         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2214
2215 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2216
2217         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2218
2219 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2220
2221         PR rtl-optimization/88879
2222         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2223
2224 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2225
2226         PR target/90405
2227         * config/arm/arm.c (callee_saved_reg_p): Move before
2228         thumb_find_work_register.
2229         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2230         thumb_find_work_register.  Only call df_get_live_out once.
2231         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2232         (thumb_find_work_register): Use
2233         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2234         algorithms to locate a spare call clobbered reg.
2235
2236 2019-05-09  Martin Liska  <mliska@suse.cz>
2237
2238         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2239         and MAX_EXPR in GIMPLE FE format.
2240
2241 2019-05-09  Martin Liska  <mliska@suse.cz>
2242
2243         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2244         * gimple-pretty-print.c (dump_gimple_bb_header):
2245         Dump BB count.
2246         (pp_cfg_jump): Dump edge probability.
2247         * profile-count.c (profile_quality_as_string): Simplify
2248         with a static array.
2249         (parse_profile_quality): New function.
2250         (profile_count::dump): Simplify with a static array.
2251         (profile_count::from_gcov_type): Add new argument.
2252         * profile-count.h (parse_profile_quality): Likewise.
2253         * predict.h (set_hot_bb_threshold): New.
2254         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2255         New param.
2256         * predict.c (get_hot_bb_threshold): Set from the new param.
2257         (set_hot_bb_threshold): New.
2258
2259 2019-05-09  Richard Biener  <rguenther@suse.de>
2260
2261         PR tree-optimization/90395
2262         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2263         rewrite vector stores that throw internally.
2264
2265 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2266
2267         * cif-code.def (CHKP): Remove.
2268
2269         PR target/89221
2270         * configure.ac (--enable-frame-pointer): Disable by default for
2271         GNU systems.
2272         * configure: Regenerate.
2273
2274 2019-05-09  Alan Modra  <amodra@gmail.com>
2275
2276         PR target/89271
2277         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2278         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2279         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2280         cost for general <-> vsx when direct moves are available.
2281         Cost union classes at minimal cost for any reg in the class.
2282         Correct calculation for moves between vsx, float, and altivec.
2283         Don't return a low cost for moves between special regs.  Don't
2284         use hard coded register numbers.
2285         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2286         (rs6000_ira_change_pseudo_allocno_class): New function.
2287         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2288         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2289         alternatives.
2290         (movsi_internal1): Don't disparage vector alternatives.
2291         (mov<mode>_internal): Likewise, excepting alternative that
2292         will be split.
2293         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2294         we <- b alternative.
2295
2296 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2297
2298         PR c++/59813
2299         PR tree-optimization/89060
2300         * tree-ssa-live.h (live_vars_map): New typedef.
2301         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2302         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2303         (struct compute_live_vars_data): New type.
2304         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2305         live_vars_at_stmt, destroy_live_vars): New functions.
2306         * tree-tailcall.c: Include tree-ssa-live.h.
2307         (live_vars, live_vars_vec): New global variables.
2308         (find_tail_calls): Perform variable life analysis before punting.
2309         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2310         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2311         member.
2312         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2313         Perform variable life analysis to select variables that really need
2314         clobbers added.
2315         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2316         instead set id->eh_landing_pad_dest and assert it is the same.
2317         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2318
2319 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2320             Richard Earnshaw  <rearnsha@arm.com>
2321
2322         PR target/88167
2323         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2324         function.
2325         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2326         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2327         register if both the epilogue and prologue can use call-clobbered
2328         regs.
2329         (thumb1_unexpanded_epilogue): Use
2330         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2331         picking temporaries for restoring high regs to match that of the
2332         prologue where possible.
2333         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2334         the list of work registers.  Detect if the return address is still live
2335         at the end of the prologue and avoid using it for a work register if so.
2336         If the return address is not live, add LR to the list of pushable regs
2337         after the first pass.
2338
2339 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2340
2341         PR tree-optimization/90078
2342         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2343         (INFTY): Increase the value for infinite cost.
2344         (struct comp_cost): Promote type of members to int64_t.
2345         (infinite_cost): Don't set complexity in initialization.
2346         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2347         overflows to infinite_cost.
2348         (adjust_setup_cost): Promote type of parameter and cost computation
2349         to int64_t.
2350         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2351         int64_t.
2352         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2353         cost computation to int64_t.
2354         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2355         int64_t's format specifier in dump.
2356
2357 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2358
2359         PR tree-optimization/90240
2360         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2361         with respect to scaling factor pre-computed for each basic block.
2362         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2363         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2364         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2365         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2366         live range for array of loop's basic blocks.  Cleanup aux field of
2367         loop's basic blocks.
2368
2369 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2370
2371         PR tree-optimization/90356
2372         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2373
2374 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2375
2376         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2377         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2378         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2379         (ix86_handle_option): Handle -mavx512bf16.
2380         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2381         to extra_headers.
2382         * config/i386/avx512bf16vlintrin.h: New.
2383         * config/i386/avx512bf16intrin.h: New.
2384         * config/i386/cpuid.h (bit_AVX512BF16): New.
2385         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2386         * config/i386/i386-builtin-types.def: Add new types.
2387         * config/i386/i386-builtin.def: Add new builtins.
2388         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2389         __AVX512BF16__.
2390         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2391         (ix86_option_override_internal): Handle BF16.
2392         (ix86_valid_target_attribute_inner_p): Ditto.
2393         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2394         * config/i386/i386-builtin.c (enum processor_features): Add
2395         F_AVX512BF16.
2396         (static const _isa_names_table isa_names_table): Ditto.
2397         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2398         (PTA_AVX512BF16): Ditto.
2399         * config/i386/i386.opt: Add -mavx512bf16.
2400         * config/i386/immintrin.h: Include avx512bf16intrin.h
2401         and avx512bf16vlintrin.h.
2402         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2403         avx512f_cvtneps2bf16_<mode><mask_name>,
2404         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2405         * config/i386/subst.md (mask_half): Add new subst.
2406         * doc/invoke.texi: Document -mavx512bf16.
2407
2408 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2409
2410         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2411         Delete declaration.
2412         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2413         (rs6000_debug_legitimize_reload_address): Delete.
2414         (rs6000_legitimize_reload_address_ptr): Delete.
2415         (rs6000_option_override_internal): Adjust.
2416         (mem_operand_gpr): Adjust comment.
2417         (legitimate_lo_sum_address_p): Ditto.
2418         (rs6000_legitimize_reload_address): Delete.
2419         (rs6000_debug_legitimize_reload_address): Delete.
2420         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2421
2422 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2423
2424         PR target/89765
2425         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2426         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2427         to compute vector element selector for both constant and variable
2428         operands.
2429
2430 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2431
2432         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2433         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2434         ashrdi3_cvt using SWI48 mode iterator.
2435
2436 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2437
2438         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2439         (aarch64_<su>abd<mode>_3): Likewise.
2440         (*aarch64_<su>abd<mode>_3): New define_insn.
2441         (<sur>sad<vsi2qi>): New define_expand.
2442         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2443         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2444         (build_vect_cond_expr): Likewise.
2445
2446 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2447
2448         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2449         clobbers outside of accessible_reg_set.
2450         * config/i386/i386.c (ix86_conditional_register_usage):
2451         Disable register sets by clearing corresponding bits in
2452         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2453         call_used_regs and don't clear corresponding reg_names array members.
2454
2455 2019-05-07  Richard Biener  <rguenther@suse.de>
2456
2457         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2458         not specified still compute a comp_vectype for invariant
2459         compares.
2460
2461 2019-05-07  Richard Biener  <rguenther@suse.de>
2462
2463         PR tree-optimization/90316
2464         * tree-ssa-pre.c (translate_vuse_through_block): When
2465         same_valid is NULL do not bother to search for a virtual
2466         PHI continuation.
2467         (phi_translate_1): When operands changed we cannot keep
2468         the same value-number so do not bother to ask whether
2469         that's possible from translate_vuse_through_block.
2470
2471 2019-05-07  Martin Liska  <mliska@suse.cz>
2472
2473         * bitmap.c (bitmap_register): Come up with
2474         alloc_descriptor_max_uid and assign it for
2475         a new bitmap.
2476         (register_overhead): Use get_descriptor as
2477         a descriptor.
2478         (release_overhead): New.
2479         (bitmap_elem_to_freelist): Call it.
2480         (bitmap_elt_clear_from): Likewise.
2481         (bitmap_obstack_free): Likewise.
2482         (bitmap_move): Sensitively release memory.
2483         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2484         (bitmap_initialize): Initialize alloc_descriptor to zero.
2485         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2486
2487 2019-05-07  Richard Biener  <rguenther@suse.de>
2488
2489         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2490         we build a SLP node.  Remove max_size and limiting.
2491         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2492
2493 2019-05-07  Richard Biener  <rguenther@suse.de>
2494
2495         PR tree-optimization/90316
2496         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2497         limit by reference.
2498         (walk_non_aliased_vuses): Take walking limit argument.
2499         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2500         walking if it is reached instead of just counting.
2501         (get_continuation_for_phi): Likewise.
2502         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2503         limiting to the callback.
2504         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2505         (vn_reference_lookup_3): Likewise.
2506         (vn_reference_lookup_pieces): Likewise.
2507         (vn_reference_lookup): Likewise.
2508         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2509         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2510         (avail_exprs_stack::lookup_avail_expr): Likewise.
2511
2512 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2513
2514         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2515         for comparaible types in the second direction even if first one
2516         hits incomparable type.
2517
2518 2019-05-07  Richard Biener  <rguenther@suse.de>
2519
2520         PR lto/90369
2521         * lto-wrapper.c (debug_objcopy): Use the original filename
2522         including archive offset for the filename used for -save-temps.
2523
2524 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2525
2526         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2527         detection.
2528
2529 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2530
2531         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2532         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2533         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2534         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2535         (FRAME_POINTER_REGNUM): Change numbering.
2536         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2537         (alt_reg_names): Adjust.
2538         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2539         fixed.
2540         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2541         (DWARF_FRAME_REGISTERS): Delete.
2542         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2543         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2544         Adjust.
2545         (REG_ALLOC_ORDER): Adjust.
2546         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2547         (REG_CLASS_CONTENTS): Adjust.
2548         (RETURN_ADDR_RTX): Change comment.
2549         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2550         instead of 67.
2551         (REGISTER_NAMES): Adjust.
2552         (ADDITIONAL_REGISTER_NAMES): Adjust.
2553         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2554
2555 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2556
2557         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2558         Delete.
2559         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2560         (DWARF_FRAME_REGISTERS): Adjust.
2561         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2562         Adjust.
2563         (REG_ALLOC_ORDER): Adjust.
2564         (enum reg_class): Delete SPR_REGS.
2565         (REG_CLASS_NAMES): Delete SPR_REGS.
2566         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2567         (REGISTER_NAMES): Adjust.
2568         (ADDITIONAL_REGISTER_NAMES): Adjust.
2569         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2570         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2571         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2572         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2573         (htm_spr_regno): Delete.
2574         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2575         argument.
2576         (rs6000_dbx_register_number): Adjust.
2577
2578 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2579
2580         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2581
2582 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2583
2584         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2585         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2586
2587 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2588
2589         PR tree-optimization/88709
2590         PR tree-optimization/90271
2591         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2592         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2593         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2594         variable.
2595         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2596         of the store merging group is larger than
2597         PARAM_STORE_MERGING_MAX_SIZE parameter.
2598         (split_group): Add bzero_first argument.  If set, always emit first
2599         the first store which must be = {} of the whole area and then for the
2600         rest of the stores consider all zero bytes as paddings.
2601         (imm_store_chain_info::output_merged_store): Check if first store
2602         is = {} of the whole area and if yes, determine which setting of
2603         bzero_first for split_group gives smaller number of stores.  Adjust
2604         split_group callers.
2605         (lhs_valid_for_store_merging_p): Allow decls.
2606         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2607         no elts.
2608         (pass_store_merging::process_store): Likewise.
2609
2610 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2611
2612         PR target/89424
2613         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2614         handling of V1TImode.
2615
2616 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2617
2618         PR target/89221
2619         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2620         and enable_frame_pointer ...
2621         * configure.ac: ... here.  Update help strings for
2622         --enable-frame-pointer.
2623         * configure: Regenerate.
2624         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2625         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2626         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2627         (USE_X86_64_FRAME_POINTER): Ditto.
2628
2629 2019-05-06  Martin Liska  <mliska@suse.cz>
2630
2631         * config.gcc: Append to target_gtfiles and fix indentation.
2632
2633 2019-05-06  Richard Biener  <rguenther@suse.de>
2634
2635         PR tree-optimization/90358
2636         * tree-vect-stmts.c (get_group_load_store_type): Properly
2637         detect unused upper half of load.
2638         (vectorizable_load): Likewise.
2639
2640 2019-05-06  Richard Biener  <rguenther@suse.de>
2641
2642         PR tree-optimization/88828
2643         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2644         (simplify_vector_constructor): ...here.  Handle constants in
2645         the constructor.
2646
2647 2019-05-06  Richard Biener  <rguenther@suse.de>
2648
2649         PR tree-optimization/90328
2650         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2651         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2652         is valid in the loop nest before using it.
2653         (initialize_data_dependence_relation): Adjust.
2654         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2655         loop as loop-nest to dr_may_alias_p.
2656
2657 2019-05-06  Richard Biener  <rguenther@suse.de>
2658
2659         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2660
2661 2019-05-06  Richard Biener  <rguenther@suse.de>
2662
2663         PR tree-optimization/90316
2664         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2665         compute target on demand.
2666         (get_continuation_for_phi): Remove code walking stmts to
2667         get to a target virtual operand which could end up being
2668         quadratic.
2669
2670 2019-05-06  Martin Liska  <mliska@suse.cz>
2671
2672         PR sanitizer/90312
2673         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2674         when -mabi is selected to a non-default version.
2675
2676 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2677             Martin Liska  <mliska@suse.cz>
2678
2679         * Makefile.in: Add lto-dump.texi.
2680         * cgraph.h: Add new functions get_visibility_string and
2681         get_symtab_type_string.
2682         * doc/gcc.texi: Include lto-dump section.
2683         * doc/lto-dump.texi: New file.
2684         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2685         (parse_dump_option): Factor out this function.
2686         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2687         (parse_dump_option): Export the function.
2688         * symtab.c (symtab_node::get_visibility_string): New function.
2689         (symtab_node::get_symtab_type_string): Likewise.
2690
2691 2019-05-06  Martin Liska  <mliska@suse.cz>
2692
2693         * config/i386/i386-builtins.c: New file.
2694         * config/i386/i386-builtins.h: New file.
2695         * config/i386/i386-expand.c: New file.
2696         * config/i386/i386-expand.h: New file.
2697         * config/i386/i386-features.c: New file.
2698         * config/i386/i386-features.h: New file.
2699         * config/i386/i386-options.c: New file.
2700         * config/i386/i386-options.h: New file.
2701         * config.gcc: Add new files into extra_objs and
2702         target_gtfiles.
2703         * config/i386/i386.c: Split content of the file
2704         into newly introduced files.
2705         * config/i386/i386.h: Declare common variables
2706         and macros.
2707         * config/i386/t-i386: Define dependencies for new files.
2708
2709 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2710
2711         PR target/89400
2712         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2713         Restrict 'all' variant to 32-bit configurations.
2714         (unaligned_loadhiu): Likewise.
2715         (unaligned_storehi): Likewise.
2716         (unaligned_storesi): Likewise.
2717         (unaligned_loadhis): Disable when compiling for thumb1.
2718
2719 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2720
2721         PR tree-optimization/90269
2722         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2723         Ignore clobbers.
2724
2725 2019-05-03  Martin Liska  <mliska@suse.cz>
2726
2727         * hash-map.h: Add is_empty function.
2728         * hash-set.h: Likewise.
2729         * hash-table.h: Likewise.
2730         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2731         elements () == 0 (and similar usages).
2732         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2733         * gimplify.c (gimplify_bind_expr): Likewise.
2734         (gimplify_switch_expr): Likewise.
2735         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2736         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2737         * postreload-gcse.c (dump_hash_table): Likewise.
2738         (gcse_after_reload_main): Likewise.
2739         * predict.c (combine_predictions_for_bb): Likewise.
2740         * tree-parloops.c (reduction_phi): Likewise.
2741         (separate_decls_in_region): Likewise.
2742         (transform_to_exit_first_loop): Likewise.
2743         (gen_parallel_loop): Likewise.
2744         (gather_scalar_reductions): Likewise.
2745         (try_create_reduction_list): Likewise.
2746         * var-tracking.c (dump_vars): Likewise.
2747         (emit_notes_for_changes): Likewise.
2748         (vt_emit_notes): Likewise.
2749
2750 2019-05-03  Richard Biener  <rguenther@suse.de>
2751
2752         PR tree-optimization/90316
2753         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2754         before running VN.
2755
2756 2019-05-03  Richard Biener  <rguenther@suse.de>
2757
2758         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2759         peeling for gaps by loading only lower halves of vectors
2760         if possible.
2761         (vectorizable_load): Likewise.
2762
2763 2019-05-03  Richard Biener  <rguenther@suse.de>
2764
2765         PR middle-end/89518
2766         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2767
2768 2019-05-03  Richard Biener  <rguenther@suse.de>
2769
2770         PR middle-end/87314
2771         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2772         Handle STRING_CST vs DECL or STRING_CST.
2773
2774 2019-05-03  Richard Biener  <rguenther@suse.de>
2775
2776         PR tree-optimization/88963
2777         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2778         vector loads feeding only BIT_FIELD_REFs to component
2779         loads.  Rewrite stores fed by CONSTRUCTORs to component
2780         stores.
2781
2782 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2783
2784         * opts.h (finish_options): Remove lang_mask argument.
2785         (print_help, help_option_argument): Declare.
2786         * opts.c (print_help): Remove forward declaration, no longer static.
2787         (finish_options): Remove lang_mask argument, don't call print_help
2788         here.
2789         * opts-global.c (decode_options): Adjust finish_option caller, call
2790         print_help here.
2791
2792         PR tree-optimization/90303
2793         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2794         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2795
2796 2019-05-03  Richard Biener  <rguenther@suse.de>
2797
2798         PR tree-optimization/89698
2799         * gimple-fold.c (canonicalize_constructor_val): Early out
2800         for constants, handle unfolded INTEGER_CSTs as they appear in
2801         C++ virtual table ctors.
2802
2803 2019-05-03  Richard Biener  <rguenther@suse.de>
2804
2805         * passes.c (execute_function_todo): Remove dead code.
2806
2807 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2808
2809         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2810         the internal register number, for any "real" register.
2811
2812 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2813
2814         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2815         correct numbers for TFHAR, TFIAR, TEXASR.
2816
2817 2019-05-02  Richard Biener  <rguenther@suse.de>
2818
2819         PR tree-optimization/89653
2820         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2821         update-address-taken before the pass.
2822         * passes.def (pass_tree_loop_init): Put comment before it.
2823
2824 2019-05-02  Richard Biener  <rguenther@suse.de>
2825
2826         PR tree-optimization/89509
2827         * tree-ssa-structalias.c (compute_dependence_clique): Look
2828         at the first subvar when determining whether it is restrict.
2829
2830 2019-05-02  Richard Biener  <rguenther@suse.de>
2831
2832         PR tree-optimization/90273
2833         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2834         useless debug stmts.
2835
2836 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2837
2838         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2839         ACLE branch.
2840         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2841         SVE ACLE branch.
2842         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2843         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2844         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2845         (vectorizable_reduction): Use the functions above to vectorize in a
2846         fully masked loop codes that don't have a conditional internal
2847         function.
2848
2849 2019-05-02  Martin Liska  <mliska@suse.cz>
2850
2851         * cgraphclones.c: Call valid_attribute_p with 1 for
2852         target_clone.
2853         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2854         it's for target attribute.
2855         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2856         Add new boolean argument.
2857         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2858         Likewise.
2859         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2860         to ix86_valid_target_attribute_inner_p.
2861         (ix86_valid_target_attribute_p): Pass flags argument to
2862         ix86_valid_target_attribute_inner_p.
2863         (get_builtin_code_for_version): Use 0 as it's target attribute.
2864
2865 2019-05-02  Martin Liska  <mliska@suse.cz>
2866
2867         * gcc.c (process_command): Add dummy file only
2868         if n_infiles == 0.
2869         * opts-global.c (decode_options): Pass lang_mask.
2870         * opts.c (print_help): New function.
2871         (finish_options): Print --help if help_option_argument
2872         is set.
2873         (common_handle_option): Factor out content of OPT__help_
2874         into print_help.
2875         * opts.h (finish_options): Add new argument.
2876
2877 2019-05-02  Martin Liska  <mliska@suse.cz>
2878
2879         PR target/88809
2880         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2881         With -minline-all-stringops use inline expansion using 4B loop.
2882         * doc/invoke.texi: Document the change of
2883         -minline-all-stringops.
2884
2885 2019-05-01  Jeff Law  <law@redhat.com>
2886
2887         PR tree-optimization/88797
2888         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2889         PHI feeds a conditional on the RHS of an assignment.
2890
2891 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2892             Jim Wilson  <jimw@sifive.com>
2893
2894         * config/riscv/constraints.md (L): New.
2895         * config/riscv/predicates.md (lui_operand): New.
2896         (sfb_alu_operand): New.
2897         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2898         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2899         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2900         * config/riscv/risc.md (type): Add sfb_alu.
2901         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2902         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2903         (branch_zero<mode>): Delete.
2904         (mov<mode>cc): New.
2905         (mov<GPR:mode><X:mode>cc): Likewise.
2906         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2907
2908 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2909
2910         * tree.h (MARK_TS_EXP): New.
2911
2912 2019-04-30  Martin Liska  <mliska@suse.cz>
2913
2914         * opts.c (enable_warning_as_error): Provide hints
2915         for unknown options.
2916
2917 2019-04-30  Martin Liska  <mliska@suse.cz>
2918
2919         PR debug/90288
2920         * doc/invoke.texi: Add missing dash for gas-locview-support
2921         and gno-as-locview-support.
2922
2923 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2924
2925         PR target/89093
2926         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2927         whitespace at the start of target attribute string.
2928
2929 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2930
2931         PR target/86538
2932         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2933         Define __ARM_FEATURE_ATOMICS.
2934
2935 2019-04-30  Martin Liska  <mliska@suse.cz>
2936
2937         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2938         into built_in_function enum. Remove code for endp == 2 and
2939         use BUILT_IN_* constants.
2940         (gimple_fold_builtin): Call the function with fcode.
2941
2942 2019-04-30  Martin Liska  <mliska@suse.cz>
2943
2944         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2945         DECL_FUNCTION_CODE into ix86_builtins enum before
2946         the switch statement.
2947
2948 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2949
2950         PR tree-optimization/89475
2951         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2952         calls.
2953
2954 2019-04-30  Martin Liska  <mliska@suse.cz>
2955
2956         PR translation/90274
2957         * opts.c (print_filtered_help): Wrap string in _(...).
2958
2959 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2960
2961         PR tree-optimization/90240
2962         Revert:
2963         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2964
2965         PR tree-optimization/90078
2966         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2967         checks for infinite_cost overflow.
2968
2969 2019-04-29  Jeff Law  <law@redhat.com>
2970
2971         * passes.def: Move -Wrestrict pass after copy propagation.
2972
2973 2019-04-29  Maya Rashish  <coypu@sdf.org>
2974
2975         * config.gcc (default_gnu_indirect_function): Default to yes
2976         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2977         sparc*-*-netbsd*, x86_64-*-netbsd*.
2978
2979 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2980
2981         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2982         where cond2 is NE_EXPR.
2983         (is_value_included_in): Update comment.
2984
2985 2019-04-29  Richard Biener  <rguenther@suse.de>
2986
2987         PR tree-optimization/90278
2988         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2989         EH on comparison simplification.
2990
2991 2019-04-29  Jason Merrill  <jason@redhat.com>
2992
2993         PR c++/82081 - tail call optimization breaks noexcept
2994         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2995         nothrow function to a might-throw function into a tail call.
2996
2997 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2998
2999         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3000         (DDR_INNER_LOOP): Likewise.
3001         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3002         (initialize_data_dependence_relation): Likewise.
3003         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3004
3005 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR rtl-optimization/90257
3008         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3009         return value.
3010
3011         Revert the revert:
3012         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3013
3014         PR target/90178
3015         Revert:
3016         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3017
3018         Revert the revert:
3019         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3020
3021         Revert:
3022         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3023
3024         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3025
3026 2019-04-29  Richard Biener  <rguenther@suse.de>
3027
3028         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3029         rhs issue a reset.
3030
3031 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3032
3033         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3034         varasm.h, and netbsd-protos.h.
3035
3036 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3037
3038         PR target/89261
3039         * config/i386/i386-protos.h (ix86_data_alignment): Change
3040         the second argument type to unsigned int.
3041         * config/i386/i386.c (ix86_data_alignment): Change "align"
3042         argument type to unsigned int.
3043
3044 2019-04-27  Martin Liska  <mliska@suse.cz>
3045
3046         PR middle-end/90258
3047         * opt-suggestions.c (option_proposer::build_option_suggestions):
3048         When get_valid_option_values returns empty values, add the
3049         misspelling candidate.
3050
3051 2019-04-26  Jim Wilson  <jimw@sifive.com>
3052
3053         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3054         parameter.
3055         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3056         Pass orig_mode to riscv_build_integer.
3057         (riscv_split_integer): Pass mode to riscv_move_integer.
3058         (riscv_legitimize_const_move): Likewise.
3059         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3060         promoted_mode.  Replace force_reg call with code to load constant into
3061         promoted reg and then subreg it for the store.
3062         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3063         riscv_move_integer.
3064
3065 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3066
3067         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3068         corrupt codes.
3069
3070 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3071
3072         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3073         commentary about the encoding of precision.
3074
3075 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3076
3077         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3078         * config/i386/t-freebsd64: New file.
3079         * config.gcc: Add the t-freebsd64 for multilib support.
3080
3081 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3082
3083         * doc/extend.texi (vector_size): Add missing comma after @xref.
3084
3085 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3086
3087         * BASE-VER: Set to 10.0.0.
3088
3089 2019-04-25  Richard Biener  <rguenther@suse.de>
3090
3091         PR middle-end/89765
3092         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3093         VIEW_CONVERT_EXPR into one operating on an rvalue.
3094
3095 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3096
3097         PR target/89929
3098         * config/i386/i386.c (feature_priority): Moved to file scope.
3099         (processor_features): Likewise.
3100         (processor_model): Likewise.
3101         (_arch_names_table): Likewise.
3102         (arch_names_table): Likewise.
3103         (_feature_list): Removed.
3104         (feature_list): Likewise.
3105         (_isa_names_table): Moved to file scope.  Add priority.
3106         (isa_names_table): Likewise.
3107         (get_builtin_code_for_version): Replace feature_list with
3108         isa_names_table.  Update error message for P_ZERO priority.
3109
3110 2019-04-25  Richard Biener  <rguenther@suse.de>
3111
3112         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3113         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3114
3115 2019-04-24  Jeff Law  <law@redhat.com>
3116
3117         PR tree-optimization/90037
3118         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3119         * passes.def: Replace all instance of phi-only cprop with the
3120         lattice propagator.  Move propagation pass from after erroneous
3121         path isolation to before erroneous path isolation.
3122         * tree-ssa-phionlycprop.c: Remove.
3123
3124 2019-04-24  Richard Biener  <rguenther@suse.de>
3125
3126         PR middle-end/90213
3127         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3128         by size and BITS_PER_UNIT on poly-wide-ints.
3129
3130 2019-04-25  Richard Biener  <rguenther@suse.de>
3131
3132         PR middle-end/90194
3133         * match.pd: Add pattern to simplify view-conversion of an
3134         empty constructor.
3135
3136 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3137
3138         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3139         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3140         for Go on 32 bit AIX.
3141         * config/rs6000/aix72.h: Likewise.
3142
3143 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR target/90193
3146         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3147         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3148
3149 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3150
3151         PR target/89952
3152         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3153         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3154         for restored hard frame pointer.
3155         (s390_sched_dependencies_evaluation): Implement new target hook.
3156         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3157
3158 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3159
3160         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3161         * config/arc/arc.c (arc_init): Cleanup warning message.
3162         (arc_override_options): Likewise.
3163
3164 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3165
3166         PR target/90187
3167         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3168         a register if both if_true and if_false are MEMs.
3169
3170         PR tree-optimization/90208
3171         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3172         after labels of new_bb, not before them.
3173
3174         PR tree-optimization/90211
3175         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3176         which are not SSA_NAMEs.
3177
3178 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3179
3180         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3181         AArch64.
3182         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3183
3184 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3185
3186         PR rtl-optimization/87979
3187         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3188         not equal zero.
3189
3190 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3191
3192         PR rtl-optimization/84032
3193         * modulo-sched.c (ps_insn_find_column): Change condition so that
3194         branch will always be the last insn in a row inside partial
3195         schedule.
3196
3197 2019-04-23  Richard Biener  <rguenther@suse.de>
3198
3199         PR debug/90131
3200         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3201         dest_single_pred_p argument.
3202         (remove_forwarder_block): Adjust.
3203         (remove_forwarder_block_with_phi): Likewise.
3204
3205 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3206             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3207             Jakub Jelinek  <jakub@redhat.com>
3208
3209         PR target/89093
3210         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3211         if used with general-regs-only.
3212         (arm_conditional_register_usage): Don't add non-general regs if
3213         general-regs-only.
3214         (arm_valid_target_attribute_rec): Handle general-regs-only.
3215         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3216         general-regs-only.
3217         (TARGET_HARD_FLOAT_SUB): Define.
3218         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3219         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3220         (TARGET_REALLY_IWMMXT2): Likewise.
3221         * config/arm/arm.opt: Add -mgeneral-regs-only.
3222         * doc/extend.texi: Document ARM general-regs-only target.
3223         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3224
3225 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3226
3227         PR tree-optimization/90078
3228         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3229         checks for infinite_cost overflow.
3230
3231 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3232
3233         PR tree-optimization/90021
3234         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3235         and check univariate against it.
3236         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3237         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3238
3239 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3240
3241         PR target/90178
3242         Revert:
3243         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3244
3245         Revert the revert:
3246         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3247
3248         Revert:
3249         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3250
3251         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3252
3253 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3254
3255         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3256         names using operand format, rather than hard-wired.
3257         (speculation_barrier): Likewise.
3258
3259 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3260
3261         PR tree-optimization/88055
3262         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3263         (gen_one_condition): Use it if !HONOR_NANS.
3264
3265 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3266
3267         PR middle-end/90139
3268         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3269         assign_temp instead of gen_reg_rtx.
3270
3271 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3272
3273         PR translation/90118
3274         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3275         Add missing space before %<.
3276
3277 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3278
3279         PR rtl-optimization/87871
3280         * ira-lives.c (make_object_dead): Don't add conflicts to
3281         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3282
3283 2019-04-18  Martin Sebor  <msebor@redhat.com>
3284
3285         PR middle-end/89797
3286         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3287         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3288         assuming type size fits in SHWI.
3289
3290 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3291
3292         PR ipa/85051
3293         * ipa-inline.c (flatten_function): New parameter UPDATE.
3294         (ipa_inline, early_inliner): Use it.
3295
3296 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3297
3298         * fold-const.c (int_const_binop): Return early on failure.
3299
3300 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3301
3302         PR middle-end/85164
3303         * combine.c (force_int_to_mode): Cast the argument rather than
3304         the result of known_alignment.
3305         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3306
3307 2019-04-18  Richard Biener  <rguenther@suse.de>
3308
3309         PR debug/90131
3310         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3311         out from ...
3312         (remove_forwarder_block): ... here.
3313         (remove_forwarder_block_with_phi): Also move debug stmts here.
3314
3315 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3316
3317         PR translation/79183
3318         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3319         inform where appropriate.
3320
3321 2019-04-18  Richard Biener  <rguenther@suse.de>
3322
3323         * tree.c (get_qualified_type): Put found type variants at the
3324         head of the variant list.
3325
3326 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3327
3328         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3329
3330 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3331
3332         PR target/90125
3333         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3334         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3335         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3336         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3337         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3338
3339 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3340
3341         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3342         even for allocno's with no conflicts.
3343         (print_conflicts): Print an extra newline.
3344
3345 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3346
3347         * auto-inc-dec.c (attempt_change): Set the alignment of the
3348         temporary memory to that of the original.
3349
3350 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3351
3352         * targhooks.c (default_print_patchable_function_entry): Emit
3353         __patchable_function_entries section with writable flags to allow
3354         relocation resolution.
3355
3356 2019-04-17  Jonny Grant  <jg@jguk.org>
3357
3358         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3359
3360 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3361
3362         PR middle-end/90095
3363         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3364         on lowpart SUBREGs.
3365
3366 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3367
3368         * config/arc/arc.c (arc_init): Format diagnostic string.
3369         (arc_override_options): Likewise.
3370         (check_if_valid_regno_const): Likewise.
3371         (arc_reorg): Likewise.
3372
3373 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3374
3375         PR target/17108
3376         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3377         name.
3378         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3379         name.
3380         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3381         (*movdi_update1): Use Pmode.
3382         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3383         (movdi_<mode>_update_stack): Rename to ...
3384         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3385         use Pmode.
3386         (*movsi_update1): Use Pmode.
3387         (*movsi_update2): Use Pmode.
3388         (movsi_update): Rename to ...
3389         (movsi_<mode>_update): ... this.  Use Pmode.
3390         (movsi_update_stack): Fix condition.
3391         (*movhi_update1): Use Pmode.  Fix argument to
3392         avoiding_indexed_address_p.
3393         (*movhi_update2): Ditto.
3394         (*movhi_update3): Ditto.
3395         (*movhi_update4): Ditto.
3396         (*movqi_update1): Ditto.
3397         (*movqi_update2): Ditto.
3398         (*movqi_update3): Ditto.
3399         (*movsf_update1, *movdf_update1): Merge, rename to...
3400         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3401         avoiding_indexed_address_p.  Add "size" attribute.
3402         (*movsf_update2, *movdf_update2): Merge, rename to...
3403         (*mov<mode>_update2): This.  Ditto.
3404         (*movsf_update3): Use Pmode.  Fix argument to
3405         avoiding_indexed_address_p.
3406         (*movsf_update4): Ditto.
3407         (allocate_stack): Simplify condition.  Adjust pattern names.
3408
3409 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR target/89093
3412         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3413         whitespace at the start of target attribute string.
3414
3415 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3416
3417         PR target/84369
3418         * config/rs6000/power9.md: Add store forwarding bypass.
3419
3420 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3421
3422         PR debug/89528
3423         * valtrack.c (dead_debug_insert_temp): Reset debug references
3424         to the return value of a call being removed.
3425
3426 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3427
3428         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3429         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3430         implement target hook.
3431         (arc_memory_move_cost): New function.
3432         (TARGET_REGISTER_MOVE_COST): Define.
3433         (TARGET_MEMORY_MOVE_COST): Likewise.
3434         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3435         (MEMORY_MOVE_COST): Likewise.
3436
3437 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3438
3439         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3440         (sibcall_value_insn): Likewise.
3441         * config/arc/constraints.md (Rs5): Remove.
3442
3443 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3444
3445         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3446         for last two fake registers.
3447         (arc_conditional_register_usage): Make sure fake frame and arg
3448         pointer regs are in general regs class.
3449         (FRAME_POINTER_MASK): Remove.
3450         (RETURN_ADDR_MASK): Remove.
3451         (arc_must_save_register): Use hard frame regnum.
3452         (frame_restore_reg): Use hard_frame_pointer_rtx.
3453         (arc_save_callee_saves): Likewise.
3454         (arc_restore_callee_saves): Likewise.
3455         (arc_save_callee_enter): Likewise.
3456         (arc_restore_callee_leave): Likewise.
3457         (arc_save_callee_milli): Likewise.
3458         (arc_eh_return_address_location): Likewise.
3459         (arc_check_multi): Use hard frame regnum.
3460         (arc_can_eliminate): Likewise.
3461         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3462         for register allocator.
3463         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3464         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3465         (FRAME_POINTER_REGNUM): Change it to a fake register.
3466         (HARD_FRAME_POINTER_REGNUM): Defined.
3467         (ARG_POINTER_REGNUM): Change it to a new fake register.
3468         (ELIMINABLE_REGS): Update.
3469         (REGISTER_NAMES): Update names.
3470         * config/arc/arc.md (LP_START): Remove.
3471         (LP_END): Likewise.
3472         (shift_si3_loop): Update pattern.
3473
3474 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3475
3476         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3477         to avoid delay slot scheduling.
3478         (arc_must_save_register): Don't save SP.
3479         * config/arc/arc.md (stack_tie): Remove.
3480         (UNSPEC_ARC_STKTIE): Likewise.
3481
3482 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3483             Shiva Chen  <shiva0217@gmail.com>
3484
3485         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3486         code gen with large shift amount.
3487
3488 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3489
3490         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3491         subreg.
3492
3493 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3494
3495         PR target/90096
3496         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3497         print -m64/-mx32/-m32 if it is true.
3498         (ix86_debug_options, ix86_function_specific_print): Pass true as
3499         ADD_ABI_P to ix86_target_string.
3500         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3501         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3502         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3503
3504         PR rtl-optimization/90082
3505         * dce.c (can_delete_call): New function.
3506         (deletable_insn_p, mark_insn): Use it.
3507
3508         PR tree-optimization/90090
3509         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3510         throw internally.
3511         (is_division_by_square): Likewise.  Formatting fix.
3512
3513 2019-04-16  Richard Biener  <rguenther@suse.de>
3514
3515         PR tree-optimization/56049
3516         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3517         equality check if alias-set zero will prevail.
3518
3519 2019-04-15  Jeff Law  <law@redhat.com>
3520
3521         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3522         size and alignment as unsigned.
3523
3524 2019-04-15  Richard Biener  <rguenther@suse.de>
3525
3526         PR debug/90074
3527         * tree-loop-distribution.c (destroy_loop): Preserve correct
3528         debug info.
3529
3530 2019-04-15  Richard Biener  <rguenther@suse.de>
3531
3532         PR tree-optimization/90071
3533         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3534         abnormal operands from def stmts.
3535
3536 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3537
3538         PR rtl-optimization/89794
3539         * combine.c (count_auto_inc): New function.
3540         (try_combine): Count how many auto_inc expressions there were in the
3541         original instructions.  Ensure we have the same number in the new
3542         instructions.  Remove the code that tried to ensure auto_inc side
3543         effects on i1 and i0 are not lost.
3544
3545 2019-04-15  Richard Biener  <rguenther@suse.de>
3546
3547         PR ipa/88936
3548         * tree.h (auto_var_p): Declare.
3549         * tree.c (auto_var_p): New function, split out from ...
3550         (auto_var_in_fn_p): ... here.
3551         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3552         member.
3553         (new_var_info): Initialize it.
3554         (set_uids_in_ptset): Also set the shadow variable uid if required.
3555         (ipa_pta_execute): Postprocess points-to solutions assigning
3556         shadow variable uids for locals that may reach their containing
3557         function recursively.
3558         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3559         assert but instead check whether the points-to solution is
3560         a singleton.
3561
3562 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3563
3564         PR ipa/pr89693
3565         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3566         the thunk chain.
3567
3568 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3569
3570         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3571
3572 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3573             Kito Cheng  <kito.cheng@gmail.com>
3574             Shiva Chen  <shiva0217@gmail.com>
3575
3576         * config/nds32/nds32-md-auxiliary.c
3577         (nds32_legitimize_pic_address): Use new PIC pattern.
3578         (nds32_legitimize_tls_address): Use new TLS pattern.
3579         (nds32_output_symrel): New.
3580         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3581         (nds32_alloc_relax_group_id): Ditto.
3582         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3583         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3584         relax_group_id.
3585         (nds32_group_tls_insn): Ditto.
3586         (nds32_group_float_insns): Ditto.
3587         * config/nds32/nds32.md (tls_le): New.
3588         (sym_got): Ditto.
3589
3590 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3591
3592         * configure: Add nds32 target for dwarf2 debug_line checking.
3593         * configure.ac: Regenerated.
3594
3595 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3596
3597         PR lto/89358
3598         * ipa-devirt.c (skip_in_fields_list_p): New.
3599         (odr_types_equivalent_p): Use it.
3600
3601 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3602
3603         PR target/89093
3604         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3605         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3606
3607 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3608
3609         * doc/install.texi: Document --with-target-system-zlib.
3610
3611 2019-04-12  Martin Sebor  <msebor@redhat.com>
3612
3613         PR c/88383
3614         PR c/89288
3615         PR c/89798
3616         PR c/89797
3617         * targhooks.c (default_vector_alignment): Avoid assuming
3618         argument fits in SHWI.
3619         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3620         a shift expression.
3621         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3622
3623 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3624
3625         PR rtl-optimization/89965
3626         * dce.c: Include rtl-iter.h.
3627         (struct check_argument_load_data): New type.
3628         (check_argument_load): New function.
3629         (find_call_stack_args): Check for loads from stack slots still tracked
3630         in sp_bytes and punt if any is found.
3631
3632         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3633
3634 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3635
3636         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3637         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3638
3639 2019-04-12  Martin Liska  <mliska@suse.cz>
3640
3641         PR middle-end/89970
3642         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3643         in error message.
3644         (separate_attrs): Handle multiple 'default's.
3645         (expand_target_clones): Rework error handling code.
3646
3647 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3648
3649         PR target/87532
3650         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3651         mode of vector rather than mode of destination for move instruction.
3652         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3653         Use QI inner mode with V16QI vector mode.
3654
3655 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3656
3657         PR target/52726
3658         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3659         "invalid %%t operand" in output_operand_lossage message.
3660
3661 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3662
3663         * config/s390/predicates.md (permute_pattern_operand): New
3664         predicate.
3665         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3666         operand for the permute pattern.
3667         ("*vec_perm<mode>"): New insn definition.
3668         ("bswap<mode>"): Generate the permute pattern operand in the
3669         expander and perform the operand reloads for pre arch13 level
3670         already.
3671         ("*bswap<mode>_emu"): Rename to ...
3672         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3673         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3674         Add the USE operand for the permute pattern.
3675         ("*vec_set_bswap_vec<mode>"): Likewise.
3676
3677 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3678
3679         PR c/89946
3680         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3681         and gcc_unreachable if it fails, just call tree_to_uhwi which
3682         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3683         Start warning message with a lower-case letter.  Formatting fixes.
3684
3685         PR rtl-optimization/90026
3686         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3687         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3688         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3689         in cfglayout mode, use emit_barrier_after_bb.
3690
3691 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3692
3693         PR rtl-optimization/87763
3694         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3695         New Instruction.
3696
3697 2019-04-11  Tom de Vries  <tdevries@suse.de>
3698
3699         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3700         max macro using statement expression.
3701
3702 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3703
3704         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3705         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3706         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3707         read_only_private_data_section using xcoff_private_rodata_section_name.
3708         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3709
3710 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3711
3712         PR target/90016
3713         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3714
3715 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3716
3717         PR rtl-optimization/89965
3718         * dce.c (sp_based_mem_offset): New function.
3719         (find_call_stack_args): Use sp_based_mem_offset.
3720
3721 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3722
3723         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3724
3725 2019-04-11  Richard Biener  <rguenther@suse.de>
3726
3727         PR tree-optimization/90020
3728         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3729         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3730         * tree-ssa-pre.c (compute_avail): Use it to not put
3731         possibly trapping references after a call that might not
3732         return into EXP_GEN.
3733         * gcse.c (compute_hash_table_work): Do not elide
3734         marking a block containing a call if the call might not
3735         return.
3736
3737 2019-04-11  Richard Biener  <rguenther@suse.de>
3738
3739         PR tree-optimization/90018
3740         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3741         Test both SLP and interleaving variants.
3742
3743 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3744
3745         * config/s390/8561.md: New file.
3746         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3747         Add arch13 cpu model.
3748         * config/s390/s390-opts.h (enum processor_type): Likewise.
3749         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3750         (s390_get_unit_mask): Likewise.
3751         (s390_is_fpd): Likewise.
3752         (s390_is_fxd): Likewise.
3753         * config/s390/s390.h (s390_tune_attr): Likewise.
3754         * config/s390/s390.md: Include arch13 pipeline description.
3755         * config/s390/s390.opt: Add arch13.
3756
3757 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3758
3759         PR rtl-optimization/87763
3760         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3761         New prototype.
3762         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3763         New function.
3764         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3765         New instruction.
3766         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3767         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3768         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3769         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3770
3771 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3772
3773         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3774         "Although" in -fipa-icf documentation.
3775
3776         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3777         of using multiple -g options.
3778
3779 2019-04-10  Martin Liska  <mliska@suse.cz>
3780
3781         PR gcov-profile/89959
3782         * doc/gcov.texi: Make documentation of -x option
3783         more precise.
3784
3785 2019-04-10  Richard Biener  <rguenther@suse.de>
3786
3787         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3788         member.
3789         (DR_GROUP_SAME_DR_STMT): Remove.
3790         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3791         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3792         replace with assert.
3793         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3794         (vect_record_grouped_load_vectors): Remove unreachable code.
3795
3796 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3797
3798         PR target/90016
3799         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3800         obsolete reference to N.
3801
3802 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3803
3804         PR middle-end/90025
3805         * expr.c (store_expr): Set properly size on the MEM passed to
3806         clear_storage.
3807
3808         PR c++/90010
3809         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3810         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3811         translation is needed, and when translation is needed, only append
3812         ... if the string length is hostsz or more bytes long.  Avoid using
3813         strncpy or strcat.
3814
3815 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3816
3817         PR target/90024
3818         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3819         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3820         into three.
3821         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3822         differences directly.
3823         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3824
3825 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3826
3827         PR translation/90011
3828         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3829         from diagnostics.
3830         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3831         diagnostics.
3832         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3833         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3834         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3835         trailing space from -gsplit-dwarf diagnostics.
3836
3837         PR tree-optimization/89998
3838         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3839         instead of integer_type_node if possible, don't add ranges if return
3840         type is not compatible with int.
3841         * gimple-fold.c (gimple_fold_builtin_sprintf,
3842         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3843         integer_type_node.
3844
3845 2019-04-09  Martin Liska  <mliska@suse.cz>
3846
3847         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3848         * doc/install.texi: Document the new config.
3849
3850 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3851
3852         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3853         use gimple_expr_type for load and store calls.  Skip over the
3854         condition argument in a conditional internal function.
3855         Protect use of TREE_INT_CST_LOW.
3856
3857 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3858
3859         PR target/90015
3860         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3861         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3862         trailing period from it too.
3863
3864 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3865
3866         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3867         * config/aarch64/aarch64.md : Add "tsv110.md"
3868         * config/aarch64/tsv110.md: New file.
3869
3870 2019-04-08  Richard Biener  <rguenther@suse.de>
3871
3872         PR tree-optimization/90006
3873         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3874         calls like lrint.
3875
3876 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3877
3878         PR target/83033
3879         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3880         construction.
3881         (fma_root_node): Likewise.
3882         (func_fma_steering): Likewise.
3883
3884 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3885
3886         PR rtl-optimization/89865
3887         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3888
3889         PR rtl-optimization/89865
3890         * config/i386/i386.md
3891         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3892         numbers not to clash with the additional operands[4].
3893         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3894         with extra register copy in the middle.
3895
3896 2019-04-08  Martin Liska  <mliska@suse.cz>
3897
3898         PR gcov-profile/89961
3899         * doc/gcov.texi: Document data_file.
3900         * gcov.c (generate_results): Add data_info into JSON output.
3901
3902 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3903
3904         PR tree-optimization/89725
3905         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3906         loop's chrec as invariant symbol.
3907         * tree-chrec.h (chrec_contains_symbols): New parameter.
3908         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3909         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3910         function of loops not in DDR's loop_nest.
3911         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3912
3913 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3914
3915         PR target/89623
3916         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3917         Mask.
3918
3919 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3920
3921         PR target/89945
3922         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3923         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3924
3925 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3926
3927         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3928         targetm.fixed_condition_code_regs.
3929
3930 2019-04-05  Richard Biener  <rguenther@suse.de>
3931
3932         PR debug/89892
3933         PR debug/89905
3934         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3935         debug bind stmts but reset them if they are not valid at the
3936         destination.
3937
3938 2019-04-05  Martin Liska  <mliska@suse.cz>
3939
3940         PR translation/89936
3941         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3942         order to wrap keywords or arguments.
3943         * collect2.c (main): Likewise.
3944         (scan_prog_file): Likewise.
3945         (scan_libraries): Likewise.
3946         * common/config/riscv/riscv-common.c
3947         (riscv_subset_list::parsing_subset_version): Likewise.
3948         (riscv_subset_list::parse_std_ext): Likewise.
3949         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3950         Likewise.
3951         * config/arm/arm.c (arm_option_override): Likewise.
3952         * config/cris/cris.c (cris_print_operand): Likewise.
3953         * config/darwin-c.c (darwin_pragma_options): Likewise.
3954         (darwin_pragma_unused): Likewise.
3955         (darwin_pragma_ms_struct): Likewise.
3956         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3957         * config/i386/i386.c (print_reg): Likewise.
3958         (ix86_print_operand): Likewise.
3959         * config/i386/xm-djgpp.h: Likewise.
3960         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3961         * config/m32c/m32c.c (m32c_option_override): Likewise.
3962         * config/msp430/msp430.c (msp430_option_override): Likewise.
3963         * config/nds32/nds32.c (nds32_option_override): Likewise.
3964         * config/nvptx/mkoffload.c (main): Likewise.
3965         * config/rx/rx.c (rx_print_operand): Likewise.
3966         (valid_psw_flag): Likewise.
3967         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3968         (vms_pragma_nomember_alignment): Likewise.
3969         (vms_pragma_extern_model): Likewise.
3970         * lto-wrapper.c (compile_offload_image): Likewise.
3971         * omp-offload.c (oacc_parse_default_dims): Likewise.
3972         * symtab.c (symtab_node::verify_base): Likewise.
3973         * tlink.c (recompile_files): Likewise.
3974         (start_tweaking): Likewise.
3975         * tree-profile.c (parse_profile_filter): Likewise.
3976
3977 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3978
3979         PR tree-optimization/89956
3980         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3981         multiple negates of the same value.
3982
3983 2019-04-04  Martin Sebor  <msebor@redhat.com>
3984
3985         PR middle-end/89957
3986         PR middle-end/89911
3987         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3988         have the same precision since the function crashes otherwise.
3989         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3990         has non-zero arguments.
3991
3992 2019-04-04  Martin Sebor  <msebor@redhat.com>
3993
3994         PR middle-end/89934
3995         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3996         out if the number of arguments is less than expected.
3997
3998 2019-04-04  Jeff Law  <law@redhat.com>
3999
4000         PR rtl-optimization/89399
4001         * ree.c (combine_set_extension): Use single_set rather than
4002         digging into PATTERN for items on the candidate list.
4003         (combine_reaching_defs): Likewise.
4004
4005 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4006
4007         PR rtl-optimization/46590
4008         * loop-invariant.c (find_defs): Move df_remove_problem and
4009         df_process_deferred_rescans to move_invariants.
4010         Move df_live_add_problem and df_live_set_all_dirty calls
4011         to move_invariants.
4012         (move_invariants): Likewise.
4013         (move_loop_invariants): Likewise, making the df_live calls
4014         conditional on -O.  Remove the problem again if we added it
4015         locally.
4016
4017 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4018
4019         PR tree-optimization/89730
4020         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4021         -flive-patching=inline-only-static.
4022         (can_inline_edge_by_limits_p): Add the checking for
4023         -flive-patching=inline-only-static and grant always_inline
4024         even when -flive-patching=inline-only-static is specified.
4025
4026 2019-04-03  Jeff Law  <law@redhat.com>
4027
4028         PR rtl-optimization/81025
4029         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4030
4031 2019-04-03  Richard Biener  <rguenther@suse.de>
4032
4033         PR tree-optimization/84101
4034         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4035         regs.h for hard_regno_nregs.
4036         (cfun_returns): New helper.
4037         (vect_model_store_cost): When vectorizing a store to a decl
4038         we return and the function ABI returns in a multi-reg location
4039         account for the possible spilling that will happen.
4040
4041 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4042
4043         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4044         displacement addresses for vector mode operands.
4045
4046 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4047
4048         * config/arc/arc.c (GMASK_LEN): Define.
4049         (arc_restore_callee_saves): Restore first blink when
4050         !optimize_size.
4051
4052 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4053
4054         * doc/extend.texi: Add deprecated comment on sign-return-address
4055         function attribute and add mbranch-protection.
4056         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4057
4058 2019-04-03  Richard Biener  <rguenther@suse.de>
4059
4060         PR lto/89896
4061         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4062         the all target phony.
4063
4064 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4065
4066         PR target/89902
4067         PR target/89903
4068         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4069         Return false for variable DImode shifts.
4070         (dimode_scalar_chain::compute_convert_gain): Do not handle
4071         register count operand in variable DImode shifts.
4072         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4073         count argument of a variable shift instruction to a vector register.
4074         (dimode_scalar_chain::convert_reg): Remove support to convert
4075         count argument of a variable shift instruction.
4076
4077 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4078
4079         PR rtl-optimization/84206
4080         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4081         iterating over loop headers.
4082
4083 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4084
4085         PR rtl-optimization/85876
4086         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4087         beyond the original fence.
4088
4089 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4090
4091         * config.gcc: Mark spu* targets as deprecated/obsolete.
4092
4093 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4094
4095         * config/s390/s390-builtin-types.def: New builtin function type
4096         definitions. Remove unused types.
4097         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4098         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4099         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4100         overloaded builtins.
4101         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4102         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4103         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4104         (vec_double, vec_signed, vec_unsigned): Define to use the new
4105         overloaded builtins.
4106         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4107         Remove expanders.
4108
4109 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4110
4111         * config/s390/s390-builtin-types.def: New builtin function type
4112         definitions.
4113         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4114         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4115         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4116         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4117         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4118         constant definitions.
4119         * config/s390/vecintrin.h (vec_search_string_cc)
4120         (vec_search_string_until_zero_cc): New builtin name definitions.
4121         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4122         expanders.
4123         ("vec_vstrs<mode>"): New insn definition.
4124
4125 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4126
4127         * config/s390/s390-builtin-types.def: Add new builtin function
4128         types.
4129         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4130         New overloaded builtins.
4131         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4132         s390_vsrd.
4133         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4134         (UNSPEC_VEC_SLDBYTE): ... this.
4135         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4136         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4137         definitions.
4138         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4139         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4140         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4141
4142 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4143
4144         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4145         New insn definition.
4146         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4147         * config/s390/vector.md (V_HW_HSD): ... here.
4148
4149 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4150
4151         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4152         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4153         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4154         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4155         New insn definitions.
4156
4157 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4158
4159         * config/s390/s390-builtin-types.def: Add new builtin function type.
4160         * config/s390/s390-builtins.def: Add overloaded builtin
4161         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4162         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4163         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4164         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4165         ("eltswap<mode>"): New expander.
4166         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4167         insn definitions.
4168
4169 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4170
4171         * config/s390/s390-builtin-types.def: Add new builtin function types.
4172         * config/s390/s390-builtins.def: Add overloaded builtin
4173         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4174         instructions.
4175         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4176         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4177         ("bswap<mode>"): New expander.
4178         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4179
4180 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4181
4182         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4183         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4184         vector builtin version number in __VEC__.
4185
4186 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4187
4188         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4189         iterators.
4190         (SFSI): New mode attribute.
4191         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4192         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4193         rename to ...
4194         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4195         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4196         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4197         ("floatsi<mode>2"): Add wcefb instruction.
4198
4199 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4200
4201         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4202         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4203         mode iterators.
4204         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4205         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4206         support 32 bit fp-int conversions. Rename to ...
4207         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4208         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4209         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4210         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4211         ... to these.
4212
4213 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4214
4215         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4216         if-then-else constructs if we can use the select instruction.
4217         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4218
4219 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4220
4221         * config/s390/s390.md ("*popcountdi_arch13_cc")
4222         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4223         definition.
4224         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4225         Append _z196 to make it ...
4226         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4227         ("popcounthi2_z196"): ... this.
4228         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4229         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4230
4231 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4232
4233         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4234         certain compares for arch13 in order to make use of the condition
4235         code result produced by the new instructions.
4236         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4237         nxrk, and nxgrk instruction patterns.
4238         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4239         (inv_no): Add new code iterator together with some attributes.
4240         ("*andc_split_<mode>"): Disable splitter for arch13.
4241         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4242         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4243         ("*<ANDOR:bitops_name>c<GPR:mode>")
4244         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4245         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4246         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4247         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4248
4249 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4250
4251         * common/config/s390/s390-common.c (processor_flags_table): New
4252         entry for arch13.
4253         * config.gcc: Support arch13 with the --with-arch= configure flag.
4254         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4255         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4256         * config/s390/s390.c (s390_get_sched_attrmask)
4257         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4258         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4259         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4260         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4261         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4262         definitions.
4263         * config/s390/s390.opt: Support arch13 as processor type in
4264         command line options.
4265
4266 2019-04-02  Martin Liska  <mliska@suse.cz>
4267
4268         PR translation/89912
4269         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4270         Fix param description of graphite-max-arrays-per-scop.
4271
4272 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4273
4274         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4275         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4276         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4277
4278 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4279
4280         PR rtl-optimization/85412
4281         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4282         sel_sched_region_1, not after.
4283
4284 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4285
4286         PR rtl-optimization/86928
4287         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4288         compute_live if necessary.
4289         (sel_redirect_edge_and_branch): Likewise.
4290
4291 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4292
4293         PR rtl-optimization/89865
4294         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4295         register if it is a part of small class.
4296
4297 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4298
4299         PR rtl-optimization/87273
4300         * sel-sched-ir.c (merge_fences): Remove assert.
4301
4302 2019-04-01  Richard Biener  <rguenther@suse.de>
4303
4304         PR tree-optimization/46590
4305         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4306         (dom_walker::m_reachability): Add in place of...
4307         (dom_walker::m_skip_unreachable_blocks): ...this.
4308         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4309         Move complex initialization ...
4310         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4311         lazily and initialize edge flags on each invocation.
4312         (dom_walker::bb_reachable): Use m_reachability.
4313
4314 2019-04-01  Martin Liska  <mliska@suse.cz>
4315
4316         PR driver/89861
4317         * opt-suggestions.c (option_proposer::build_option_suggestions):
4318         Add variant without any argument in order to provide better
4319         hints.
4320
4321 2019-04-01  Richard Biener  <rguenther@suse.de>
4322
4323         PR c/71598
4324         * gimple.c: Include langhooks.h.
4325         (gimple_get_alias_set): Treat enumeral types as the underlying
4326         integer type.
4327
4328 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4329             Eric Botcazou  <ebotcazou@adacore.com>
4330
4331         PR rtl-optimization/89862
4332         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4333         that operates on the full registers for WORD_REGISTER_OPERATIONS
4334         architectures.
4335
4336 2019-03-29  Jim Wilson  <jimw@sifive.com>
4337
4338         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4339         Clear MASK_RVC and then set if C subset supported.
4340
4341 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4342
4343         PR c/89872
4344         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4345         non-addressable complit into its initializer if it is volatile.
4346
4347 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4348
4349         * opts-common.c (integral_argument): Set errno properly in one case.
4350
4351 2019-03-29  Martin Liska  <mliska@suse.cz>
4352
4353         * doc/invoke.texi: Remove -Wchkp from documentation.
4354
4355 2019-03-29  Martin Liska  <mliska@suse.cz>
4356
4357         * dbgcnt.c (print_limit_reach): New function.
4358         (dbg_cnt): Use it.
4359
4360 2019-03-29  Martin Liska  <mliska@suse.cz>
4361
4362         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4363         (dbg_cnt_process_opt): Parse first tokens aas
4364         dbg_cnt_process_single_pair is also using strtok.
4365
4366 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4367
4368         PR rtl-optimization/87485
4369         * function.c (expand_function_end): Move stack_protect_epilogue
4370         before loading of return value into hard register(s).
4371
4372 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4373
4374         PR middle-end/89621
4375         * tree-inline.h (struct copy_body_data): Add
4376         dont_remap_vla_if_no_change flag.
4377         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4378         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4379         and remap_type_2 returns false.
4380         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4381         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4382         only from where it is copied to nested contexts.
4383
4384 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4385
4386         PR target/89865
4387         * config/i386/i386.md (RMW operation with LEA peephole):
4388         Use LEAMODE mode attribute instead of SWI mode iterator for
4389         LEA pattern.
4390
4391 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4392
4393         PR target/89848
4394         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4395         Also process XEXP (src, 0) of a shift insn.
4396
4397 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4398
4399         PR middle-end/89725
4400         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4401         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4402
4403 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4404
4405         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4406         test.
4407         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4408         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4409         immediately after first one with df_analyze in between, but rather
4410         process all bbs, queueing ones that need second pass in a worklist,
4411         df_analyze, process queued debug insn changes and if second pass is
4412         needed, process bbs from worklist, df_analyze, process queued debug
4413         insns again.
4414
4415         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4416         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4417         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4418
4419 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4420
4421         PR c/79022
4422         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4423         definition.
4424
4425 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4426
4427         PR target/85667
4428         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4429         function for 32-bit MS_ABI.
4430         (function_value_ms_32): New function.
4431
4432 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4433
4434         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4435         (movdi): Call gen_movdi_symbol_save_scc.
4436         (gen_movdi_symbol_save_scc): New insn and split.
4437
4438 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4439
4440         PR rtl-optimization/89313
4441         * function.c (matching_constraint_num): New static function.
4442         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4443         Don't replace inputs with non-matching constraints which conflict
4444         with early clobber outputs.
4445
4446 2019-03-27  Jeff Law  <law@redhat.com>
4447
4448
4449         PR rtl-optimization/87761
4450         PR rtl-optimization/89826
4451         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4452         slightly later.
4453         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4454         note problem to get REG_DEAD/REG_UNUSED notes updated.
4455
4456 2019-03-27  Richard Biener  <rguenther@suse.de>
4457
4458         PR tree-optimization/89463
4459         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4460         queue edges to remove.
4461         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4462         dead stmts.  Delay edge removal until PHIs are removed to
4463         make debug-stmt creation not confused by seemingly degenerate
4464         PHIs.
4465
4466 2019-03-27  Alan Modra  <amodra@gmail.com>
4467
4468         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4469         throughout file.
4470         * config/rs6000/darwin.h: Likewise.
4471         * config/rs6000/rs6000.c: Likewise.
4472
4473 2019-03-27  Alan Modra  <amodra@gmail.com>
4474
4475         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4476         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4477
4478 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4479             Jim Wilson  <jimw@sifive.com>
4480
4481         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4482         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4483         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4484         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4485         (generic_alu): Add auipc to type list.
4486         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4487         (riscv_microarchitecture): Declare.
4488         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4489         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4490         field.
4491         (riscv_microarchitecture): New.
4492         (sifive_7_tune_info): New.
4493         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4494         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4495         entries.
4496         (riscv_store_data_bypass_p): New.
4497         (riscv_option_override): Set riscv_microarchitecture from
4498         cpu->microarchitecture.
4499         * config/riscv/riscv.md: Include sifive-7.md.
4500         (type): Add auipc.
4501         (tune): New.
4502         (auipc<mode>): Change type to auipc.
4503         (restore_stack_nonlocal): New.
4504         * config/riscv/sifive-7.md: New.
4505         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4506
4507 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4508
4509         PR target/89827
4510         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4511         Also process XEXP (src, 0) of a shift insn.
4512
4513 2019-03-26  Richard Biener  <rguenther@suse.de>
4514
4515         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4516         (copy_debug_stmt): Likewise.
4517         (expand_call_inline): Likewise.
4518         (copy_bb): Avoid redundant lookup & set of gimple_block.
4519         * gimple-low.c (lower_gimple_return): Likewise.
4520         (lower_builtin_setjmp): Likewise.
4521
4522 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4523
4524         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4525         is constant 0, turn into static const data member initialized to false.
4526         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4527         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4528
4529 2019-03-26  Jason Merrill  <jason@redhat.com>
4530             Jakub Jelinek  <jakub@redhat.com>
4531
4532         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4533         method.
4534         (mem_alloc_description::release_object_overhead): Fix comment typos.
4535         * hash-table.h (hash_table::~hash_table): Call
4536         release_instance_overhead only if m_entries is non-NULL, otherwise
4537         call unregister_descriptor.
4538
4539 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4540
4541         PR tree-optimization/81740
4542         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4543         In case of outer loop vectorization, check for backward dependence
4544         at the inner loop if outer loop dependence is reversed.
4545
4546 2019-03-26  Alan Modra  <amodra@gmail.com>
4547
4548         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4549         rs6000_vector_mem init.  Correct wI and wJ comment.
4550
4551 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4552
4553         PR rtl-optimization/88347
4554         PR rtl-optimization/88423
4555         * sched-deps.c (sched_analyze_insn): Take into account that for
4556         tablejumps the barrier appears after a label and a jump_table_data.
4557
4558 2019-03-25  Martin Sebor  <msebor@redhat.com>
4559
4560         PR c/89812
4561         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4562         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4563         convert it to UHWI when it fits.
4564
4565 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4566
4567         PR debug/86964
4568         * dwarf2out.c (premark_used_variables): New function.
4569         (prune_unused_types_walk): Do not mark not premarked external
4570         variables.
4571         (prune_unused_types): Call premark_used_variables.
4572
4573 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4574
4575         PR rtl-optimization/89676
4576         * lra-constraints.c (curr_insn_transform): Do match reload for
4577         early clobbers when the match was successful only for different
4578         registers.
4579
4580 2019-03-25  Martin Sebor  <msebor@redhat.com>
4581
4582         * doc/extend.texi (Common Type Attributes): Document vector_size.
4583         (Common Variable Attributes): Mention size constraint.  Correct
4584         quoting and typos.
4585         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4586         base type and size constraints.
4587
4588 2019-03-25  Richard Biener  <rguenther@suse.de>
4589
4590         PR tree-optimization/89789
4591         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4592         changes from non-undefined back to undefined.
4593
4594 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4595
4596         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4597         heap string and a gc string, but since this variable is unknown to
4598         ggc the gc string might get reused and corrupted. Fixed by always
4599         using a heap string.
4600
4601 2019-03-25  Richard Biener  <rguenther@suse.de>
4602
4603         PR tree-optimization/89779
4604         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4605         to remove IV defs, delay actual removal.
4606         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4607         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4608         very end, properly also reset loop control IV information.
4609
4610 2019-03-25  Richard Biener  <rguenther@suse.de>
4611
4612         PR tree-optimization/89802
4613         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4614         move EH data to folded stmt.
4615
4616 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4617
4618         * config/s390/s390-builtin-types.def: Remove few unused types and
4619         fix sort order for others.
4620
4621 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4622
4623         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4624         expected and found types with -mdebug during builtin matching.
4625
4626 2019-03-25  Richard Biener  <rguenther@suse.de>
4627
4628         PR middle-end/89790
4629         * fold-const.c (operand_equal_p): Revert last change with
4630         updated comment.
4631
4632 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4633
4634         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4635         notes for the result of the __tls_get_addr calls.
4636         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4637
4638 2019-03-24  Jeff Law  <law@redhat.com>
4639
4640         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4641
4642         PR rtl-optimization/87761
4643         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4644         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4645         as needed.
4646         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4647         rescans.  Reprocess blocks as needed, calling df_analyze before
4648         reprocessing.  Always call df_analyze before fixing up debug bind
4649         insns.
4650
4651 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4652
4653         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4654         big endian.
4655
4656 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4657
4658         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4659         attrribute for uxtw.
4660
4661 2019-03-26  Jeff Law  <law@redhat.com>
4662
4663         PR rtl-optimization/87761
4664         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4665         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4666         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4667         into the next instruction.
4668         (mips_split_move_insn): Pass INSN through to mips_split_move.
4669
4670 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4671
4672         PR rtl-optimization/89676
4673         * lra-constraints.c (curr_insn_transform): Do match reload for
4674         early clobbers even if the match was successful.
4675
4676 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4677
4678         PR c++/87481
4679         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4680
4681 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4682
4683         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4684
4685 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4686
4687         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4688         <avx512>_fmsub_<mode>_mask3<round_name>,
4689         <avx512>_fnmadd_<mode>_mask3<round_name>,
4690         <avx512>_fnmsub_<mode>_mask3<round_name>,
4691         avx512f_vmfmadd_<mode>_mask3<round_name>,
4692         avx512f_vmfmsub_<mode>_mask3<round_name>,
4693         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4694         instead of register_operand and %v instead of v for match_operand 1.
4695         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4696         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4697         <round_nimm_predicate> instead of register_operand and %v instead of v
4698         for match_operand 1.
4699
4700         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4701         <avx512>_fmadd_<mode>_mask3<round_name>,
4702         <avx512>_fmsub_<mode>_mask<round_name>,
4703         <avx512>_fmsub_<mode>_mask3<round_name>,
4704         <avx512>_fnmadd_<mode>_mask<round_name>,
4705         <avx512>_fnmadd_<mode>_mask3<round_name>,
4706         <avx512>_fnmsub_<mode>_mask<round_name>,
4707         <avx512>_fnmsub_<mode>_mask3<round_name>,
4708         <avx512>_fmaddsub_<mode>_mask<round_name>,
4709         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4710         <avx512>_fmsubadd_<mode>_mask<round_name>,
4711         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4712         <round_nimm_predicate> instead of nonimmediate_operand.
4713         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4714         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4715         Use register_operand instead of <round_nimm_predicate> for the
4716         operand that needs to match output.
4717         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4718         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4719         Likewise.  Formatting fixes.
4720
4721         PR target/89784
4722         * config/i386/i386.c (enum ix86_builtins): Remove
4723         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4724         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4725         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4726         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4727         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4728         __builtin_ia32_vfmsubss3_mask3): New builtins.
4729         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4730         avx512f_vmfmadd_<mode>_mask3<round_name>,
4731         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4732         *avx512f_vmfmsub_<mode>_mask<round_name>,
4733         avx512f_vmfmsub_<mode>_mask3<round_name>,
4734         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4735         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4736         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4737         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4738         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4739         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4740         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4741         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4742         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4743         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4744         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4745         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4746         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4747         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4748         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4749         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4750         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4751         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4752         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4753         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4754         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4755         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4756         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4757         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4758         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4759         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4760         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4761         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4762
4763 2019-03-21  Martin Sebor  <msebor@redhat.com>
4764
4765         PR tree-optimization/89350
4766         * builtins.c (compute_objsize): Also ignore offsets whose upper
4767         bound is negative.
4768         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4769         (builtin_memref::builtin_memref): Initialize new member.
4770         Allow EXPR to be null.
4771         (builtin_memref::extend_offset_range): Replace local with a member.
4772         Avoid assuming pointer offsets are unsigned.
4773         (builtin_memref::set_base_and_offset): Determine base object
4774         before computing offset range.
4775         (builtin_access::builtin_access): Handle memset.
4776         (builtin_access::generic_overlap): Replace local with a member.
4777         (builtin_access::strcat_overlap): Same.
4778         (builtin_access::overlap): Same.
4779         (maybe_diag_overlap): Same.
4780         (maybe_diag_access_bounds): Same.
4781         (wrestrict_dom_walker::check_call): Handle memset.
4782         (check_bounds_or_overlap): Same.
4783
4784 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4785             Jakub Jelinek  <jakub@redhat.com>
4786
4787         PR lto/89692
4788         * tree.c (fld_type_variant, fld_incomplete_type_of,
4789         fld_process_array_type): Call fld->pset.add and don't call
4790         add_tree_to_fld_list if it returns true.
4791         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4792         non-marked types from TYPE_NEXT_VARIANT list.
4793         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4794
4795 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4796
4797         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4798         to false, if true, don't alloc_entries during construction, but defer
4799         it to the first method that needs m_entries allocated.
4800         (hash_table::hash_table, hash_table::~hash_table,
4801         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4802         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4803         hash_table::clear_slot, hash_table::traverse_noresize,
4804         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4805         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4806         false.
4807         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4808         NO_INSERT instead of find_with_hash.
4809         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4810         hash_set::m_table): Add Lazy to template params of hash_table.
4811         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4812         * attribs.c (test_attribute_exclusions): Likewise.
4813         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4814         hash_set.  Add tests for hash_set with Lazy = true.
4815
4816 2019-03-21  Richard Biener  <rguenther@suse.de>
4817
4818         PR tree-optimization/89779
4819         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4820         checks with respect to released SSA names now having error_mark_node
4821         type.
4822         * fold-const.c (operand_equal_p): Likewise.
4823
4824 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4825
4826         PR target/89775
4827         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4828         available to ...
4829         (s390_optimize_register_info): Use global_not_special_regno_p to
4830         check for global regs.
4831
4832 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4833
4834         PR target/89752
4835         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4836         update this_alternative nor this_alternative_set.
4837
4838 2019-03-19  Jim Wilson  <jimw@sifive.com>
4839
4840         PR target/89411
4841         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4842         align, size, offset.  Use them to handle a BLKmode reference.  Update
4843         comment.
4844         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4845
4846 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4847
4848         PR rtl-optimization/89768
4849         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4850         instead of GEN_INT.
4851         (unroll_loop_runtime_iterations): Likewise.
4852
4853 2019-03-19  Martin Sebor  <msebor@redhat.com>
4854
4855         PR tree-optimization/89644
4856         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4857         rather than endptr as an indicator of nul-termination.
4858
4859         PR tree-optimization/89644
4860         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4861         arrays in determining sequence sizes in strncpy and stpncpy.
4862
4863 2019-03-19  Martin Liska  <mliska@suse.cz>
4864
4865         PR middle-end/89737
4866         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4867         unlikely_edges if there's an edge that belongs to both these sets.
4868
4869 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4870
4871         PR target/89746
4872         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4873         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4874         go via a stack temporary.
4875
4876 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4877
4878         PR target/89378
4879         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4880         instead of gen_rtx_SUBREG.
4881         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4882
4883 2019-03-19  Richard Biener  <rguenther@suse.de>
4884
4885         PR debug/88389
4886         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4887
4888 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4889
4890         PR lto/87809
4891         PR lto/89335
4892         * tree.c (free_lang_data_in_decl): Do not free context of C++
4893         destrutors.
4894
4895 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4896
4897         PR target/89506
4898         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4899         subs for the first alternative except when operands[3] is 1.
4900
4901         PR target/89752
4902         * gimplify.c (gimplify_asm_expr): For output argument with
4903         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4904         diagnose error.
4905
4906 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4907
4908         PR rtl-optimization/89753
4909         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4910         explicit unrolling factor even more robust.
4911
4912 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4913
4914         PR target/89726
4915         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4916         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4917         signed zeros, do another copysign after the compensation.
4918
4919 2019-03-18  Martin Sebor  <msebor@redhat.com>
4920
4921         PR tree-optimization/89720
4922         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4923         more conservatively, the same as anti-range.
4924
4925 2019-03-18  Richard Biener  <rguenther@suse.de>
4926
4927         PR middle-end/88945
4928         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4929         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4930         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4931         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4932
4933 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4934
4935         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4936         Extend queue to 1024 entries.
4937         Add "consumed" field.
4938         (gomp_print_output): Remove print_index parameter.
4939         Add final parameter.
4940         Change limit to unsigned.
4941         Use consumed field to implement circular buffer.
4942         Detect interrupted print in final pass.
4943         Flush output at the end.
4944         (run): Update gomp_print_output usage.
4945         (main): Initialize kernargs->output_data.consumed.
4946
4947 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4948
4949         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4950         calculation of the minimum number of scalar iterations for
4951         fully-predicated loops.
4952
4953 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4954
4955         PR tree-optimization/89546
4956         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4957         any propagation to its children took place.
4958
4959 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4960
4961         PR target/89627
4962         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4963         parameter, and make use of it.
4964         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4965
4966 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4967
4968         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4969         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4970         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4971         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4972         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4973         match what the ops is doing.
4974         (push_multi_fp_blink): Likewise.
4975         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4976         compiling for size and elf target.
4977         (arc_save_callee_enter): Adjust note to match what enter/leave
4978         operation does.
4979
4980 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4981
4982         * config/arc/arc.md (tst_movb): Fix constraint.
4983
4984 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4985
4986         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4987
4988 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4989
4990         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4991         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4992         reg_alloc_order references.
4993         (size_alloc_order): Define.
4994         (arc_adjust_reg_alloc_order): New function.
4995         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4996         order.
4997         (ADJUST_REG_ALLOC_ORDER): Define.
4998         (HONOR_REG_ALLOC_ORDER): Likewise.
4999
5000 2019-03-18  Richard Biener  <rguenther@suse.de>
5001
5002         PR target/87561
5003         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5004         loads and stores a bit more.
5005
5006 2019-03-18  Richard Biener  <rguenther@suse.de>
5007
5008         PR target/87561
5009         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5010         load pessimization to stores as well.
5011
5012 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5013
5014         PR middle-end/86979
5015         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5016         successor, use NULL as its av set.
5017
5018 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5019
5020         PR rtl-optimization/89721
5021         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5022
5023 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5024
5025         PR target/87532
5026         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5027         When handling vec_extract, use modular arithmetic to allow
5028         constant selectors greater than vector length.
5029         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5030         V1TImode vectors to have constant selector values greater than 0.
5031         Use modular arithmetic to compute vector index.
5032         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5033         index for in-memory vectors.  Correct code generation for
5034         in-register vectors.
5035         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5036         compute index.
5037
5038 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5039
5040         PR c++/88534
5041         PR c++/88537
5042         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5043         VAR_DECL args.
5044
5045 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5046
5047         PR c++/89709
5048         * tree.c (inchash::add_expr): Strip any location wrappers.
5049         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5050         after hash verification.
5051
5052         PR debug/89704
5053         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5054         SIGN_EXTEND and ZERO_EXTEND.
5055
5056 2019-03-14  Jason Merrill  <jason@redhat.com>
5057             Jakub Jelinek  <jakub@redhat.com>
5058
5059         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5060         than if is_empty (*slot).
5061         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5062         existing elt and for elt removal.
5063         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5064         of already removed elt.
5065
5066 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5067
5068         PR target/89650
5069         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5070         REG_EH_REGION note.
5071
5072 2019-03-14  Martin Liska  <mliska@suse.cz>
5073
5074         PR other/89712
5075         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5076
5077 2019-03-14  Richard Biener  <rguenther@suse.de>
5078
5079         PR target/89711
5080         * config/i386/i386.c (make_resolver_func): Properly set
5081         DECL_CONTEXT on the RESULT_DECL.
5082         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5083
5084 2019-03-14  Richard Biener  <rguenther@suse.de>
5085
5086         * gimple-pretty-print.c: Include cfgloop.h.
5087         (dump_gimple_phi): Adjust.
5088         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5089         (pp_cfg_jump): Adjust.
5090         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5091         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5092         (lower_phi_internal_fn): Remove.
5093         (verify_gimple_call): Remove IFN_PHI special-casing.
5094         (dump_function_to_file): Dump IL state.
5095         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5096         done to deal with PHI nodes being present in non-SSA state.
5097
5098 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5099
5100         PR ipa/89684
5101         * multiple_target.c (create_dispatcher_calls): Change
5102         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5103         In the node->iterate_referring loop, push *ref rather than ref, call
5104         ref->remove_reference () and always pass 0 to iterate_referring.
5105
5106         PR rtl-optimization/89679
5107         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5108         would contain a paradoxical SUBREG.
5109
5110 2019-03-14  Richard Biener  <rguenther@suse.de>
5111
5112         PR tree-optimization/89710
5113         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5114         safe_dyn_cast.
5115
5116 2019-03-14  Martin Liska  <mliska@suse.cz>
5117
5118         * coverage.c (coverage_begin_function): Stream also
5119         end_column.
5120         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5121         documentation about function declaration location.
5122         * gcov-dump.c (tag_function): Print whole range
5123         of function declaration.
5124         * gcov.c (struct function_info): Add end_column field.
5125         (function_info::function_info): Initialize it.
5126         (output_json_intermediate_file): Output {start,end}_column
5127         fields.
5128         (read_graph_file): Read end_column.
5129
5130 2019-03-14  Richard Biener  <rguenther@suse.de>
5131
5132         PR middle-end/89698
5133         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5134         that the access types are similar.
5135
5136 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5137
5138         PR tree-optimization/89703
5139         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5140         aren't compatible also with builtin_decl_explicit.  Check pure
5141         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5142         and BUILT_IN_STPNCPY{,_CHK}.
5143
5144 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5145
5146         PR target/89523
5147         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5148         addr32 prefix to VSIB address for X32.
5149         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5150         "%M2" to opcode.
5151         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5152         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5153         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5154         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5155         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5156         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5157         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5158         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5159         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5160         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5161         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5162         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5163         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5164         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5165         (*avx512f_scatterdi<mode>): Likewise.
5166
5167 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5168
5169         PR target/85860
5170         * lra-constraints.c (inherit_in_ebb): Update
5171         potential_reload_hard_regs along with live_hard_regs.
5172
5173 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5174
5175         PR debug/89498
5176         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5177         DWARF_OFFSET_SIZE.
5178         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5179
5180 2019-03-13  Martin Sebor  <msebor@redhat.com>
5181
5182         PR tree-optimization/89662
5183         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5184         has a size.
5185
5186 2019-03-13  Richard Biener  <rguenther@suse.de>
5187
5188         PR middle-end/89677
5189         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5190         throw FP expressions at tree-affine.
5191
5192 2019-03-14  Richard Biener  <rguenther@suse.de>
5193
5194         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5195         dump negative integer constants using _Literal (type) -num.
5196
5197 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5198
5199         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5200         nonlocal_value member.
5201
5202         PR middle-end/88588
5203         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5204         (ipa_simd_modify_function_body): Handle PHIs.
5205
5206 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5207
5208         * config/s390/s390.c (s390_option_override_internal): Use more
5209         aggressive inlining parameters.
5210
5211 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5212
5213         * config/s390/3906.md: New file.
5214         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5215         (LONGRUNNING_THRESHOLD): Remove.
5216         (MAX_SCHED_MIX_SCORE): Decrease.
5217         (MAX_SCHED_MIX_DISTANCE): Decrease.
5218         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5219         (struct s390_sched_state): New struct to hold scheduling state.
5220         (S390_SCHED_STATE_NORMAL): Remove.
5221         (S390_SCHED_STATE_CRACKED): Remove.
5222         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5223         (s390_get_sched_attrmask): Use new attribute.
5224         (s390_get_unit_mask): Use new units.
5225         (s390_is_fpd): New function.
5226         (s390_is_fxd): New function.
5227         (s390_is_longrunning): New function.
5228         (s390_sched_score): Use new functions.
5229         (s390_sched_reorder): Likewise.
5230         (s390_sched_variable_issue): Rework and use new functions.
5231         (s390_sched_init): Use new functions.
5232         * config/s390/s390.h (s390_tune_attr):  Add z14.
5233         * config/s390/s390.md: Add z14.
5234
5235 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5236
5237         * config/s390/2964.md: Update pipeline description.
5238         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5239         (LONGRUNNING_THRESHOLD): Remove.
5240         (LATENCY_FACTOR): Remove.
5241         (s390_get_unit_mask): Add unit.
5242         (s390_sched_score): Use fxd/fpd.
5243         (s390_sched_variable_issue): Use fxd/fpd.
5244
5245 2019-03-12  Martin Liska  <mliska@suse.cz>
5246
5247         * config/i386/i386.c: Reword an error message.
5248
5249 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5250
5251         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5252         terminate with newline.
5253
5254 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5255
5256         PR target/52726
5257         * config/s390/s390.md (tabort): Use %wd instead of
5258         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5259         letters and periods.
5260         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5261         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5262         's with %< and %>.
5263
5264         PR middle-end/89663
5265         * builtins.c (expand_builtin_int_roundingfn,
5266         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5267         gcc_unreachable if validate_arglist fails.
5268
5269 2019-03-12  Richard Biener  <rguenther@suse.de>
5270
5271         PR tree-optimization/89664
5272         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5273         free the occurance tree after the early out.
5274
5275 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5276
5277         PR middle-end/89655
5278         PR bootstrap/89656
5279         * vr-values.c (vr_values::update_value_range): If
5280         old_vr->varying_p (), don't update it, make new_vr also VARYING
5281         and return false.
5282
5283 2019-03-11  Martin Liska  <mliska@suse.cz>
5284
5285         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5286         Fix double string quoting.
5287
5288 2019-03-11  Martin Liska  <mliska@suse.cz>
5289
5290         * collect-utils.c (collect_wait): Wrap apostrophes
5291         in gcc internal format with %'.
5292         * collect2.c (main): Likewise.
5293         (scan_prog_file): Likewise.
5294         (scan_libraries): Likewise.
5295         * config/i386/i386.c (ix86_expand_call): Likewise.
5296         (ix86_handle_interrupt_attribute): Likewise.
5297         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5298         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5299         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5300         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5301         * symtab.c (symtab_node::verify_base): Likewise.
5302         * tree-cfg.c (verify_gimple_label): Likewise.
5303         * tree.c (verify_type_variant): Likewise.
5304
5305 2019-03-11  Martin Liska  <mliska@suse.cz>
5306
5307         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5308         in a string format message and fix GNU coding style.
5309         (expand_builtin_set_thread_pointer): Likewise.
5310         * common/config/aarch64/aarch64-common.c
5311         (aarch64_rewrite_selected_cpu): Likewise.
5312         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5313         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5314         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5315         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5316         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5317         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5318         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5319         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5320         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5321         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5322         Likewise.
5323         * common/config/riscv/riscv-common.c
5324         (riscv_subset_list::parsing_subset_version): Likewise.
5325         (riscv_subset_list::parse_std_ext): Likewise.
5326         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5327         (riscv_subset_list::parse): Likewise.
5328         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5329         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5330         (aarch64_override_options_internal): Likewise.
5331         (aarch64_validate_mcpu): Likewise.
5332         (aarch64_validate_march): Likewise.
5333         (aarch64_validate_mtune): Likewise.
5334         (aarch64_override_options): Likewise.
5335         * config/alpha/alpha.c (alpha_option_override): Likewise.
5336         * config/arc/arc.c (arc_init): Likewise.
5337         (parse_mrgf_banked_regs_option): Likewise.
5338         (arc_override_options): Likewise.
5339         (arc_expand_builtin_aligned): Likewise.
5340         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5341         (arm_expand_builtin): Likewise.
5342         * config/arm/arm.c (arm_option_check_internal): Likewise.
5343         (arm_configure_build_target): Likewise.
5344         (arm_option_override): Likewise.
5345         (arm_options_perform_arch_sanity_checks): Likewise.
5346         (arm_handle_cmse_nonsecure_entry): Likewise.
5347         (arm_handle_cmse_nonsecure_call): Likewise.
5348         (arm_tls_referenced_p): Likewise.
5349         (thumb1_expand_prologue): Likewise.
5350         * config/avr/avr.c (avr_option_override): Likewise.
5351         * config/bfin/bfin.c (bfin_option_override): Likewise.
5352         * config/c6x/c6x.c (c6x_option_override): Likewise.
5353         * config/cr16/cr16.c (cr16_override_options): Likewise.
5354         * config/cris/cris.c (cris_option_override): Likewise.
5355         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5356         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5357         * config/darwin.c (darwin_override_options): Likewise.
5358         * config/frv/frv.c (frv_expand_builtin): Likewise.
5359         * config/h8300/h8300.c (h8300_option_override): Likewise.
5360         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5361         (ix86_option_override_internal): Likewise.
5362         (warn_once_call_ms2sysv_xlogues): Likewise.
5363         (ix86_expand_prologue): Likewise.
5364         (split_stack_prologue_scratch_regno): Likewise.
5365         (ix86_warn_parameter_passing_abi): Likewise.
5366         * config/ia64/ia64.c (fix_range): Likewise.
5367         * config/m68k/m68k.c (m68k_option_override): Likewise.
5368         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5369         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5370         (mips_set_compression_mode): Likewise.
5371         * config/mmix/mmix.c (mmix_option_override): Likewise.
5372         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5373         * config/msp430/msp430.c (msp430_option_override): Likewise.
5374         * config/nds32/nds32.c (nds32_option_override): Likewise.
5375         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5376         (nios2_option_override): Likewise.
5377         (nios2_expand_custom_builtin): Likewise.
5378         * config/nvptx/mkoffload.c (main): Likewise.
5379         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5380         * config/pa/pa.c (fix_range): Likewise.
5381         (pa_option_override): Likewise.
5382         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5383         (riscv_option_override): Likewise.
5384         * config/rl78/rl78.c (rl78_option_override): Likewise.
5385         * config/rs6000/aix61.h: Likewise.
5386         * config/rs6000/aix71.h: Likewise.
5387         * config/rs6000/aix72.h: Likewise.
5388         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5389         * config/rs6000/freebsd64.h: Likewise.
5390         * config/rs6000/linux64.h: Likewise.
5391         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5392         (rs6000_expand_zeroop_builtin): Likewise.
5393         (rs6000_expand_mtfsb_builtin): Likewise.
5394         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5395         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5396         (rs6000_invalid_builtin): Likewise.
5397         (rs6000_expand_split_stack_prologue): Likewise.
5398         * config/rs6000/rtems.h: Likewise.
5399         * config/rx/rx.c (valid_psw_flag): Likewise.
5400         (rx_expand_builtin): Likewise.
5401         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5402         * config/s390/s390.c (s390_expand_builtin): Likewise.
5403         (s390_function_profiler): Likewise.
5404         (s390_option_override_internal): Likewise.
5405         (s390_option_override): Likewise.
5406         * config/sh/sh.c (sh_option_override): Likewise.
5407         (sh_builtin_saveregs): Likewise.
5408         (sh_fix_range): Likewise.
5409         * config/sh/vxworks.h: Likewise.
5410         * config/sparc/sparc.c (sparc_option_override): Likewise.
5411         * config/spu/spu.c (spu_option_override): Likewise.
5412         (fix_range): Likewise.
5413         * config/visium/visium.c (visium_option_override): Likewise.
5414         (visium_handle_interrupt_attr): Likewise.
5415         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5416         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5417         (dbg_cnt_process_opt): Likewise.
5418         * dwarf2out.c (output_dwarf_version): Likewise.
5419         * except.c (expand_eh_return): Likewise.
5420         * gcc.c (defined): Likewise.
5421         (driver_handle_option): Likewise.
5422         (process_command): Likewise.
5423         (compare_files): Likewise.
5424         (driver::prepare_infiles): Likewise.
5425         (driver::do_spec_on_infiles): Likewise.
5426         (driver::maybe_run_linker): Likewise.
5427         * omp-offload.c (oacc_parse_default_dims): Likewise.
5428         * opts-global.c (handle_common_deferred_options): Likewise.
5429         * opts.c (parse_sanitizer_options): Likewise.
5430         (common_handle_option): Likewise.
5431         (enable_warning_as_error): Likewise.
5432         * passes.c (enable_disable_pass): Likewise.
5433         * plugin.c (parse_plugin_arg_opt): Likewise.
5434         (default_plugin_dir_name): Likewise.
5435         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5436         (default_pch_valid_p): Likewise.
5437         * toplev.c (init_asm_output): Likewise.
5438         (process_options): Likewise.
5439         (toplev::run_self_tests): Likewise.
5440         * tree-cfg.c (verify_gimple_call): Likewise.
5441         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5442         (tree_inlinable_function_p): Likewise.
5443         * var-tracking.c (vt_find_locations): Likewise.
5444
5445 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5446
5447         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5448         only on the else branch.
5449
5450 2019-03-11  Martin Liska  <mliska@suse.cz>
5451
5452         * gcov.c (output_intermediate_json_line): Print function
5453         name of each line.
5454         (output_json_intermediate_file): Add new argument.
5455         * doc/gcov.texi: Document the change.
5456
5457 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5458
5459         PR rtl-optimization/89588
5460         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5461         explicit unrolling factor more robust.
5462
5463 2019-03-11  Richard Biener  <rguenther@suse.de>
5464
5465         PR tree-optimization/89649
5466         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5467         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5468         on the prolog and epilog loops.
5469         (vect_loop_versioning): Return copy of loop.
5470         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5471         on the non-vectorized version of the loop.
5472
5473 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5474
5475         PR target/68924
5476         * config/i386/sse.md (*vec_extractv2di_0_sse):
5477         Add (=r,x) alternative and corresponding splitter.
5478
5479 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5480
5481         PR tree-optimization/85762
5482         PR tree-optimization/87008
5483         PR tree-optimization/85459
5484         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5485         it points to if there is a type changing MEM_REF.  Adjust all callers.
5486         (build_accesses_from_assign): Disable total scalarization if
5487         contains_vce_or_bfcref_p returns true through the new parameter, for
5488         both rhs and lhs.
5489
5490 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5491
5492         PR c/88568
5493         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5494         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5495
5496         PR target/79645
5497         * common.opt (fdiagnostics-show-labels,
5498         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5499         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5500         gas-locview-support, ginline-points, ginternal-reset-location-views):
5501         Terminate description text with a dot.
5502         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5503         * config/mcore/mcore.opt (m210, m340): Likewise.
5504         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5505         mnops=): Start description text with a capital letter.
5506         * config/arc/arc.opt (msize-level=): Likewise.
5507         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5508         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5509         mnewlib): Likewise.
5510         * config/ft32/ft32.opt (msim): Likewise.
5511         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5512         (mnodiv, mnopm): Terminate description text with a dot.
5513         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5514         a colon.
5515         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5516         Likewise.
5517         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5518         text.
5519
5520         PR rtl-optimization/89634
5521         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5522         are modified in BB_END (e->src) instruction.
5523
5524 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5525
5526         PR target/79926
5527         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5528         messages more amenable to translation, and improve wording.
5529
5530 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5531
5532         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5533         ud- and du-chains between phases.
5534
5535 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5536
5537         PR debug/89631
5538         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5539         instead of POLY_INT_CST.
5540
5541 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5542
5543         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5544         requirement.
5545
5546 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5547
5548         PR target/68924
5549         PR target/78782
5550         PR target/87558
5551         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5552         (_mm_storeu_si64): Ditto.
5553
5554 2019-03-08  Martin Liska  <mliska@suse.cz>
5555
5556         PR target/86952
5557         * config/i386/i386.c (ix86_option_override_internal): Disable
5558         jump tables when retpolines are used.
5559
5560 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5561
5562         PR go/63560
5563         * ipa-split.c (execute_split_functions): Do not split
5564         'noinline' or 'section' function.
5565
5566 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5567
5568         PR target/79846
5569         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5570         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5571         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5572
5573         PR ipa/80000
5574         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5575         from diagnostics.  Formatting fixes.
5576
5577         PR target/85665
5578         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5579         warn_odr diagnostics.
5580
5581         PR other/80058
5582         * lra-constraints.c (process_alt_operands): Avoid one space before
5583         " at the end of line and another after " on another line in a string
5584         literal.
5585         * attribs.c (handle_dll_attribute): Likewise.
5586         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5587
5588         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5589         warning_at or inform messages in G_() if there is no ?:.
5590
5591         PR tree-optimization/89550
5592         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5593         returned true.  Formatting fixes.
5594         (expand_builtin_strnlen): Formatting fixes.
5595         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5596         if warning_at returned true.
5597         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5598
5599 2019-03-08  Richard Biener  <rguenther@suse.de>
5600
5601         PR middle-end/89578
5602         * cfgloop.h (struct loop): Add owned_clique field.
5603         * cfgloopmanip.c (copy_loop_info): Copy it.
5604         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5605         cliques.
5606         * tree-inline.c (copy_loops): Remap owned_clique.
5607         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5608         * lto-streamer-out.c (output_cfg): Likewise.
5609
5610 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5611
5612         PR target/80190
5613         * config/darwin.c: Include intl.h.
5614         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5615         composing the message out of two separate parts.
5616
5617 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5618
5619         PR target/80003
5620         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5621         doesn't start with a capital letter and doesn't end with a dot.
5622         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5623         with a capital letter.
5624         (ix86_mangle_function_version_assembler_name): Likewise.
5625         (ix86_generate_version_dispatcher_body): Likewise.
5626         (fold_builtin_cpu): Likewise.
5627         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5628         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5629         translators, wrap full type name in %qs.
5630
5631         PR translation/79999
5632         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5633         depend clause with source (or sink) modifier.
5634         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5635
5636         PR target/89602
5637         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5638         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5639         (avx512f_load<mode>_mask): New define_expand.
5640         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5641         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5642         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5643         __builtin_ia32_movess_mask): New builtins.
5644         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5645         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5646         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5647         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5648
5649 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5650
5651         PR lto/87525
5652         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5653         for extern inline functions.
5654
5655 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5656
5657         PR ipa/88235
5658         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5659         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5660         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5661         have multiple callees.  At the end check if declarations match as
5662         opposed to cgraph_nodes.
5663
5664 2019-03-07  Martin Liska  <mliska@suse.cz>
5665
5666         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5667         which is equivalent to searching for this in clones chain.
5668         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5669         names with a neighbour and special case first node in a chain.
5670
5671 2019-01-25  Jason Merrill  <jason@redhat.com>
5672
5673         PR c++/80916 - spurious "static but not defined" warning.
5674         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5675         for an internal symbol with DECL_EXTERNAL.
5676
5677 2019-04-07  Richard Biener  <rguenther@suse.de>
5678
5679         PR middle-end/89618
5680         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5681         * tree-inline.c (copy_loops): Simplify.
5682
5683 2019-03-07  Martin Liska  <mliska@suse.cz>
5684
5685         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5686
5687 2019-03-07  Richard Biener  <rguenther@suse.de>
5688
5689         PR tree-optimization/89595
5690         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5691         stmt iterator as reference, take boolean output parameter to
5692         indicate whether the stmt was removed and thus the iterator
5693         already advanced.
5694         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5695         stmts created by folding.
5696
5697 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5698
5699         PR c++/89585
5700         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5701         at toplevel.
5702
5703 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5704
5705         PR rtl-optimization/88845
5706         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5707         LRA.
5708         * lra.c (remove_scratches_1): New function.
5709         (remove_scratches): Use it.
5710         (lra_emit_move): Likewise.
5711
5712 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5713
5714         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5715         unaligned_access variable.
5716         * config/arc/arc.c (arc_override_options): Set unaligned access
5717         default on for HS CPUs.
5718         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5719
5720 2019-03-06  Martin Liska  <mliska@suse.cz>
5721
5722         PR gcov-profile/89577
5723         * doc/gcov.texi: Prefer to use --coverage.
5724         * doc/sourcebuild.texi: Likewise.
5725
5726 2019-03-02  Jason Merrill  <jason@redhat.com>
5727
5728         PR c++/86485 - -Wmaybe-unused with empty class ?:
5729         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5730
5731 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5732
5733         PR target/89587
5734         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5735         if_multiarch.
5736
5737         PR middle-end/89590
5738         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5739         exactly one argument.
5740
5741 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5742             Richard Sandiford  <richard.sandiford@arm.com>
5743
5744         PR tree-optimization/89570
5745         * match.pd (vec_cond into cond_op simplification): Don't use
5746         get_conditional_internal_fn, use as_internal_fn (cond_op).
5747
5748 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5749
5750         PR target/89222
5751         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5752         to decide when to split off a non-zero offset from a symbol.
5753         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5754         in function symbols.
5755
5756 2019-03-05  Richard Biener  <rguenther@suse.de>
5757
5758         PR tree-optimization/89594
5759         * tree-if-conv.c (pass_if_conversion::execute): Handle
5760         case where .LOOP_VECTORIZED_FUNCTION was removed.
5761
5762 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5763
5764         PR bootstrap/89560
5765         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5766         instead alloca it only when needed with the needed size.
5767
5768         PR tree-optimization/89570
5769         * match.pd (vec_cond into cond_op simplification): Guard with
5770         vectorized_internal_fn_supported_p test and #if GIMPLE.
5771
5772         PR tree-optimization/89566
5773         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5774         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5775         Punt if get_user_idx_format succeeds, but idx_format argument is
5776         not provided or doesn't have pointer type, or if idx_args is above
5777         number of provided arguments.
5778
5779 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5780
5781         PR tree-optimization/89437
5782         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5783
5784 2019-03-04  Richard Biener  <rguenther@suse.de>
5785
5786         PR middle-end/89572
5787         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5788         safe_dyn_cast.
5789
5790 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5791
5792         PR tree-optimization/89487
5793         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5794         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5795         (distribute_loop): Don't do runtime alias check if there is non-
5796         addressable data reference.
5797         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5798         is a register variable.
5799
5800 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5801
5802         PR target/89506
5803         * config/arm/arm.md (cmpsi2_addneg): Use
5804         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5805         If operands[2] is 0 or INT_MIN, force use of subs.
5806         (*compare_scc splitter): Use gen_int_mode.
5807         (*negscc): Likewise.
5808         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5809
5810 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5811             Monk Chiang  <sh.chiang04@gmail.com>
5812
5813         * common/config/riscv/riscv-common.c: Include sstream.
5814         (riscv_subset_list::to_string): New.
5815         (riscv_arch_str): Likewise.
5816         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5817         * config.in: Regen.
5818         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5819         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5820         (riscv_emit_attribute): New.
5821         (riscv_file_start): Emit attribute if needed.
5822         (riscv_option_override): Init riscv_emit_attribute_p.
5823         * config/riscv/riscv.opt (mriscv-attribute): New option.
5824         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5825         * configure: Regen.
5826         * doc/install.texi: Document --with-riscv-attribute.
5827         * doc/invoke.texi: Document -mriscv-attribute.
5828
5829         * common/config/riscv/riscv-common.c:
5830         Include config/riscv/riscv-protos.h.
5831         (INCLUDE_STRING): Defined.
5832         (RISCV_DONT_CARE_VERSION): Defined.
5833         (riscv_subset_t): Declare.
5834         (riscv_subset_t::riscv_subset_t): New.
5835         (riscv_subset_list): Declare.
5836         (riscv_subset_list::riscv_subset_list): New.
5837         (riscv_subset_list::~riscv_subset_list): Likewise.
5838         (riscv_subset_list::parsing_subset_version): Likewise.
5839         (riscv_subset_list::parse_std_ext): Likewise.
5840         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5841         (riscv_subset_list::add): Likewise.
5842         (riscv_subset_list::lookup): Likewise.
5843         (riscv_subset_list::xlen): Likewise.
5844         (riscv_subset_list::parse): Likewise.
5845         (riscv_supported_std_ext): Likewise.
5846         (current_subset_list): Likewise.
5847         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5848         parse.
5849
5850 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5851
5852         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5853         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5854         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5855
5856 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5857
5858         PR rtl-optimization/85899
5859         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5860         fallthru edges leading to the exit block.
5861
5862 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5863
5864         PR target/89517
5865         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5866         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5867
5868 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5869
5870         PR tree-optimization/89535
5871         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5872         for each operand.  Calculate the fallback choice for mask operands
5873         and pass it to vect_get_vec_def_for_operand.
5874
5875 2019-03-01  Richard Biener  <rguenther@suse.de>
5876
5877         PR middle-end/89541
5878         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5879         get virtual operands.
5880         (get_expr_operands): Handle CONST_DECL like other decls.
5881
5882 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5883
5884         PR middle-end/89503
5885         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5886         on DECL_P and EXPR_P.
5887
5888 2019-03-01  Richard Biener  <rguenther@suse.de>
5889
5890         PR middle-end/89497
5891         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5892         argument, defaulted to zero.
5893         * passes.c (execute_function_todo): Pass down SSA update flags
5894         to cleanup_tree_cfg.
5895         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5896         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5897         form if requested.
5898         (cleanup_tree_cfg): Get and pass down SSA update flags.
5899
5900 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5901
5902         PR bootstrap/89539
5903         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5904         early_lto_debug argument.
5905
5906 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5907
5908         PR tree-optimization/89536
5909         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5910         only whether bit #0 of the value is 0 instead of the entire value.
5911
5912 2019-02-28  Marek Polacek  <polacek@redhat.com>
5913
5914         PR c++/87068 - missing diagnostic with fallthrough statement.
5915         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5916         at the end of a seq, save its location to walk_stmt_info.
5917         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5918         a switch.
5919
5920 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5921
5922         PR lto/88585
5923         * tree.c (find_atomic_core_type): Move ahead in file.
5924         (check_base_type): Correctly compare alignments of atomic types.
5925
5926 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5927
5928         PR target/89455
5929         * config/i386/i386.c (get_builtin_code_for_version): Identify
5930         Westmere from PCLMUL, instead of AES.
5931
5932 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5933
5934         PR target/89434
5935         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5936         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5937         -UINTVAL (...).
5938
5939 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5940
5941         PR target/88530
5942         * config/aarch64/aarch64-option-extensions.def: Document it.
5943         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5944         if empty hwcaps.
5945
5946 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5947
5948         PR c/89520
5949         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5950         builtins if they don't have a single scalar floating point argument.
5951         Formatting fixes.
5952
5953 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5954
5955         PR rtl-optimization/89490
5956         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5957         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5958         block section is not mergeable.
5959
5960 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5961
5962         PR target/70341
5963         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5964         old define_insn to ...
5965         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5966         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5967         Rename old define_insn to ...
5968         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5969         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5970         define_insn to ...
5971         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5972         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5973         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5974
5975 2019-02-27  Richard Biener  <rguenther@suse.de>
5976
5977         PR debug/88878
5978         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5979
5980 2019-02-27  Richard Biener  <rguenther@suse.de>
5981
5982         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5983         building.
5984
5985 2019-02-27  Richard Biener  <rguenther@suse.de>
5986
5987         PR debug/88878
5988         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5989         parameter, prefix section name with .gnu.debuglto_ if true.
5990         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5991         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5992
5993 2019-02-27  Richard Biener  <rguenther@suse.de>
5994
5995         PR debug/89514
5996         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5997         rather than on use_debug_types, doing what output_die does.
5998         (value_format): Likewise.
5999
6000 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6001             Martin Sebor  <msebor@redhat.com>
6002
6003         * doc/invoke.texi (Warning Options): Reword description of
6004         -Wno-absolute-value.
6005
6006 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6007
6008         PR tree-optimization/89280
6009         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6010         builtin_setjmp_setup_bb): New functions.
6011         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6012         When visiting __builtin_setjmp_setup block, queue in special
6013         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6014         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6015         from visited after the loop if they don't have any visited successor
6016         blocks.
6017
6018 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6019
6020         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6021         New function.
6022         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6023
6024 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6025
6026         PR c++/89507
6027         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6028         with types other than sizetype/ssizetype.
6029
6030 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6031
6032         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6033         (enum sparc_processor_type): ...this.
6034         (enum sparc_code_model_type): New enumeration type.
6035         (enum sparc_memory_model_type): Tweak comments.
6036         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6037         (mtune): Likewise.
6038         (mcmodel): Use sparc_code_model enumeration and variable.
6039         (sparc_code_model): New enumeration.
6040         (mdebug): Add Undocumented marker.
6041         * config/sparc/sparc.h (enum cmodel): Delete.
6042         (sparc_cmodel): Likewise.
6043         (TARGET_CM_MEDLOW): Adjust to above renaming.
6044         (TARGET_CM_MEDMID): Likewise.
6045         (TARGET_CM_MEDANY): Likewise.
6046         (TARGET_CM_EMBMEDANY): Likewise.
6047         * config/sparc/sparc.c (sparc_cmodel): Delete.
6048         (sparc_option_override): Remove string/value mapping support for the
6049         code model.  Move code and memory model support to after the handling
6050         of target flags.  Do private machine setup last.
6051         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6052         (sparc_legitimize_reload_address): Likewise.
6053         (sparc_output_mi_thunk): Likewise.
6054         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6055
6056 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6057
6058         PR tree-optimization/89500
6059         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6060         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6061         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6062         cst if the first cst bytes starting at x are known to be non-zero,
6063         even if the string is not zero terminated.  Don't try to modify
6064         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6065         we can prove strnlen returns the same value as strlen would.
6066
6067 2019-02-26  Martin Liska  <mliska@suse.cz>
6068
6069         * alloc-pool.h (struct pool_usage): Remove extra
6070         print_dash_line.
6071         * bitmap.h (struct bitmap_usage): Likewise.
6072         * ggc-common.c (struct ggc_usage): Likewise.
6073         * mem-stats.h (struct mem_usage): Likewise.
6074         (mem_alloc_description::dump): Print dash lines
6075         here and repeat header at the end of a table report.
6076         It's then more readable.
6077         * tree-phinodes.c (phinodes_print_statistics): Make
6078         horizontal alignment.
6079         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6080         * vec.c (struct vec_usage): Remove extra print_dash_line.
6081         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6082
6083 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6084
6085         * doc/extend.texi (__builtin_object_size):
6086         Use @pxref instead of @xref inside parenthesis.
6087         (__builtin_has_attribute): Add missing comma after @xref.
6088         (__builtin_object_size): Ditto.
6089         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6090         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6091         in the list.
6092
6093 2019-02-26  Jeff Law  <law@redhat.com>
6094
6095         PR rtl-optimization/87761
6096         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6097         detect obviously dead insns and delete them.
6098
6099 2019-02-26  Richard Biener  <rguenther@suse.de>
6100
6101         PR tree-optimization/89505
6102         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6103         to handle restrict pointed-to vars with multiple subvars
6104         correctly.
6105
6106 2019-02-26  Richard Biener  <rguenther@suse.de>
6107
6108         PR tree-optimization/89489
6109         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6110
6111 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6112
6113         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6114         and move around comment.
6115         <BIT_AND_EXPR>: Likewise.
6116         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6117
6118 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6119
6120         PR target/89474
6121         * config/i386/i386.c (remove_partial_avx_dependency): Call
6122         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6123         after changing possibly many instructions to use that pseudo.  Fix up
6124         insertion of v4sf_const0 setter at the start of bb.
6125
6126 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6127
6128         PR c/80409
6129         * doc/extend.texi (Variadic Pointer Args): New section.
6130
6131 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6132             Martin Sebor  <msebor@gmail.com>
6133
6134         * common.opt (Wattribute-alias): Likewise.
6135         * doc/invoke.texi (Option Summary): List general form of
6136         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6137         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6138         Add cross-references.
6139         (-Wattribute-alias): Rewrite and correct default.  Mention
6140         considered attributes (same as for -Wmissing-attributes).
6141
6142 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6143
6144         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6145         (_mm_cvtpd_ps): Likewise.
6146         (_mm_cvttpd_epi32): Likewise.
6147
6148         PR target/89338
6149         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6150         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6151
6152         PR target/89339
6153         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6154
6155 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6156
6157         PR target/88530
6158         * common/config/aarch64/aarch64-common.c
6159         (struct aarch64_option_extension): Add is_synthetic.
6160         (all_extensions): Use it.
6161         (TARGET_OPTION_INIT_STRUCT): Define hook.
6162         (struct gcc_targetm_common): Moved to end.
6163         (all_extensions_by_on): New.
6164         (opt_ext_cmp, typedef opt_ext): New.
6165         (aarch64_option_init_struct): New.
6166         (aarch64_contains_opt): New.
6167         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6168         * config/aarch64/aarch64-option-extensions.def
6169         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6170         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6171         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6172         Set is_synthetic to false.
6173         (crypto): Set is_synthetic to true.
6174         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6175         SYNTHETIC.
6176
6177 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6178
6179         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6180         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6181         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6182         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6183         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6184         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6185         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6186         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6187         Rename ...
6188         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6189         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6190         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6191         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6192         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6193         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6194         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6195         vfmlsl_laneq_high_f16): ... To this.
6196         * config/arm/neon.md: Update comments.
6197
6198 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6199
6200         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6201         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6202         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6203         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6204         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6205         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6206         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6207         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6208         Rename ...
6209         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6210         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6211         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6212         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6213         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6214         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6215         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6216         vfmlslq_laneq_high_f16): ... To this.
6217
6218 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6219
6220         PR rtl-optimization/86096
6221         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6222         comparing mw_order values.
6223
6224 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6225
6226         PR target/89434
6227         * config/arm/arm.md (*subsi3_carryin_const): Use
6228         arm_neg_immediate_operand predicate instead of
6229         arm_not_immediate_operand, "L" constraint instead of "K" and
6230         print it using %n2 instead of %B2.
6231         (*subsi3_carryin_const0): New define_insn.
6232         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6233         instead of arm_not_operand and "I" constraint instead of "K" and
6234         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6235         another match_operand and in the condition check that it is negation
6236         of operands[2].
6237         (*subsi3_carryin_compare_const0): New define_ins.
6238         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6239         *subsi3_carryin_const.
6240         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6241         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6242
6243         PR target/89438
6244         * config/arm.vfp.md (*negdf2_vfp): Use
6245         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6246         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6247
6248 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6249
6250         PR rtl-optimization/89445
6251         * simplify-rtx.c (simplify_ternary_operation): Don't use
6252         simplify_merge_mask on operands that may trap.
6253         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6254         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6255         second operand is CONST_VECTOR, check if any element could be zero.
6256         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6257         their operands can trap.
6258
6259 2019-02-23  Martin Sebor  <msebor@redhat.com>
6260
6261         * gimple-ssa-sprintf.c (target_strtol): Rename...
6262         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6263         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6264         check for range error.
6265
6266 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6267
6268         PR driver/69471
6269         * opts-common.c (prune_options): Also prune joined switches
6270         with Negative and RejectNegative.
6271         * config/i386/i386.opt (march=): Add Negative(march=).
6272         (mtune=): Add Negative(mtune=).
6273         * doc/options.texi: Document Negative used together with Joined
6274         and RejectNegative.
6275
6276 2019-02-22  Martin Sebor  <msebor@redhat.com>
6277
6278         * doc/extend.texi (Other Builtins): Add
6279         __builtin_is_constant_evaluated.
6280
6281 2019-02-22  Richard Biener  <rguenther@suse.de>
6282
6283         PR tree-optimization/87609
6284         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6285
6286 2019-02-22  Jeff Law  <law@redhat.com>
6287
6288         PR rtl-optimization/87761
6289         * config/mips/mips.md: Add new combiner pattern to recognize
6290         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6291
6292 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6293
6294         PR target/89324
6295         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6296         destination register in peepholes generating patterns for ADDS/SUBS.
6297         (add<mode>3_compare0,
6298         *addsi3_compare0_uxtw, add<mode>3_compareC,
6299         add<mode>3_compareV_imm, add<mode>3_compareV,
6300         *adds_<optab><ALLX:mode>_<GPI:mode>,
6301         *subs_<optab><ALLX:mode>_<GPI:mode>,
6302         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6303         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6304         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6305         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6306         sub<mode>3_compare1): Allow stack pointer for source register.
6307         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6308
6309 2019-02-22  Martin Sebor  <msebor@redhat.com>
6310
6311         PR tree-optimization/88993
6312         PR tree-optimization/88853
6313         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6314         New helper.
6315         (sprintf_dom_walker::call_info::is_string_func): New helper.
6316         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6317         for formatted string functions.
6318         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6319
6320 2019-02-22  Martin Sebor  <msebor@redhat.com>
6321
6322         PR c/89425
6323         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6324         unreachable subexpressions.
6325
6326 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6327             Hongtao Liu  <hongtao.liu@intel.com>
6328             Sunil K Pandey  <sunil.k.pandey@intel.com>
6329
6330         PR target/87007
6331         * config/i386/i386-passes.def: Add
6332         pass_remove_partial_avx_dependency.
6333         * config/i386/i386-protos.h
6334         (make_pass_remove_partial_avx_dependency): New.
6335         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6336         New function.
6337         (pass_data_remove_partial_avx_dependency): New.
6338         (pass_remove_partial_avx_dependency): Likewise.
6339         (make_pass_remove_partial_avx_dependency): Likewise.
6340         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6341         (*extendsfdf2): Add avx_partial_xmm_update.
6342         (truncdfsf2): Likewise.
6343         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6344         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6345
6346 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6347
6348         PR middle-end/85598
6349         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6350         analysis for pass.
6351
6352 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6353
6354         PR target/89444
6355         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6356         (PTA_SKYLAKE): Add PTA_AES.
6357         (PTA_GOLDMONT): Likewise.
6358
6359 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6360
6361         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6362         instruction if enabled.
6363         (aarch64_override_options): Remove reference to return address key.
6364
6365 2019-02-22  Richard Biener  <rguenther@suse.de>
6366
6367         PR tree-optimization/89440
6368         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6369         not necessary assert.
6370
6371 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6372
6373         PR fortran/72741
6374         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6375         (oacc_replace_fn_attrib_attr): ... this new function.
6376         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6377         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6378
6379 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6380
6381         * config/arm/arm-cpus.in (ares): Rename to...
6382         (neoverse-n1): ... This.  Add ares as alias.
6383         * config/arm/arm-tables.opt: Regenerate.
6384         * config/arm/arm-tune.md: Likewise.
6385         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6386
6387 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6388
6389         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6390         * config/aarch64/aarch64-tune.md: Regenerate.
6391         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6392
6393 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6394
6395         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6396         (neoversen1_tunings): ... This.
6397         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6398         (neoverse-n1): New CPU.
6399         * config/aarch64/aarch64-tune.md: Regenerate.
6400         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6401
6402 2019-02-22  Richard Biener  <rguenther@suse.de>
6403
6404         PR middle-end/87609
6405         * cfghooks.h (dependence_hash): New typedef.
6406         (struct copy_bb_data): New type.
6407         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6408         (duplicate_block): Likewise.
6409         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6410         (copy_bbs): Create and pass down copy_bb_data.
6411         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6412         (rtl_duplicate_bb): Likewise.
6413         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6414         remap dependence info.
6415
6416 2019-02-22  Richard Biener  <rguenther@suse.de>
6417
6418         PR tree-optimization/87609
6419         * tree-core.h (tree_base): Document special clique values.
6420         * tree-inline.c (remap_dependence_clique): Do not use the
6421         special clique value of one.
6422         (maybe_set_dependence_info): Use clique one.
6423         (clear_dependence_clique): New callback.
6424         (compute_dependence_clique): Clear clique one from all refs
6425         before assigning it (again).
6426
6427 2019-02-21  Martin Sebor  <msebor@redhat.com>
6428
6429         * doc/extend.texi (__clear_cache): Correct signature.
6430
6431 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6432
6433         PR go/89170
6434         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6435         than output_constant_def.
6436         (add_constant_to_table): New static function.
6437         (output_constant_def): Call add_constant_to_table.
6438         (tree_output_constant_def): Likewise.
6439
6440 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6441
6442         PR c++/89285
6443         * builtins.c (fold_builtin_arith_overflow): If first two args are
6444         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6445         to ifn.
6446
6447 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6448
6449         PR target/87412
6450         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6451         error for -mindirect-branch/-mfunction-return with incompatible
6452         -fcf-protection.
6453
6454 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6455
6456         PR bootstrap/88714
6457         * constraints.md (q): Remove.
6458         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6459         instead of q.
6460
6461 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6462
6463         PR hsa/89302
6464         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6465         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6466         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6467         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6468         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6469         proper values to new parameters of omp_adjust_for_condition.
6470
6471 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6472
6473         PR middle-end/89412
6474         * expr.c (expand_assignment): If result is a MEM, use change_address
6475         instead of simplify_gen_subreg.
6476
6477 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6478             David Malcolm  <dmalcolm@redhat.com>
6479
6480         PR middle-end/89091
6481         * fold-const.c (decode_field_reference): Return NULL_TREE if
6482         lang_hooks.types.type_for_size returns NULL.  Check it before
6483         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6484
6485 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6486
6487         PR middle-end/88074
6488         PR middle-end/89415
6489         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6490         buggy mpc_norm.
6491
6492 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6493
6494         PR target/89397
6495         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6496         TARGET_SSE in addition to TARGET_SSE_MATH.
6497
6498         (ix86_excess_precision): Ditto.
6499         (ix86_float_exceptions_rounding_supported_p): Ditto.
6500         (use_rsqrt_p): Ditto.
6501         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6502
6503 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6504
6505         PR c/89410
6506         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6507         linenum_arith_t when determining if two adjacent line spans are
6508         close enough to merge.
6509         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6510         lines within each line_span.
6511
6512 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6513
6514         PR target/86487
6515         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6516         paradoxical SUBREGS.
6517
6518 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6519
6520         PR target/88100
6521         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6522         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6523         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6524         range checking it.
6525
6526 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6527
6528         * config/gcn/gcn.c (print_operand): Fix typo.
6529
6530 2019-02-19  Richard Biener  <rguenther@suse.de>
6531
6532         PR middle-end/88074
6533         * toplev.c (do_compile): Initialize mpfr's exponent range
6534         based on available float modes.
6535
6536 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6537
6538         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6539         as long as the epilogue isn't completed.
6540
6541 2019-02-18  Martin Sebor  <msebor@redhat.com>
6542
6543         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6544         __has_cpp_attribute, and __has_include.
6545
6546 2019-02-18  Martin Sebor  <msebor@redhat.com>
6547
6548         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6549
6550 2019-02-18  Martin Sebor  <msebor@redhat.com>
6551
6552         PR middle-end/89294
6553         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6554         expression.
6555         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6556
6557 2019-02-18  Richard Biener  <rguenther@suse.de>
6558
6559         PR tree-optimization/89296
6560         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6561         of no-warning flag to cases that might emit the bogus warning.
6562
6563 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6564
6565         PR bootstrap/88714
6566         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6567         "q" constraint.
6568         * config/arm/vfp.md (*movdi_vfp): Likewise.
6569         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6570         "q" constraint for operands[0].
6571
6572         PR target/89369
6573         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6574         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6575         pattern in a temporary buffer.
6576         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6577         than 64-operands[2].
6578
6579         PR target/89361
6580         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6581         s390_indirect_branch_settings): Define unconditionally.
6582         (s390_set_current_function): Likewise, but guard the whole body except
6583         the s390_indirect_branch_settings call with
6584         #if S390_USE_TARGET_ATTRIBUTE.
6585         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6586
6587         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6588         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6589         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6590         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6591         HOST_WIDE_INT_1U instead of 1ULL.
6592         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6593         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6594         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6595         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6596         instead of 1UL.
6597         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6598         instead of 1ul.
6599
6600 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6601
6602         PR tree-optimization/89209
6603         * tree-sra.c (create_access_replacement): New optional parameter
6604         reg_tree.  Use it as a type if non-NULL and access type is not of
6605         a register type.
6606         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6607         to create_access_replacement.
6608         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6609         Check lacc is non-NULL before attempting to re-create it on the RHS.
6610
6611 2019-02-18  Martin Liska  <mliska@suse.cz>
6612
6613         PR ipa/89306
6614         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6615         by default.
6616         (symbol_table::free_edge): Recycle m_summary_id.
6617         * cgraph.h (get_summary_id): New.
6618         (symbol_table::release_symbol): Set m_summary_id to -1
6619         by default.
6620         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6621         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6622         function_summary to fast_function_summary.
6623         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6624         * ipa-pure-const.c (class funct_state_summary_t):
6625         Switch from function_summary to fast_function_summary.
6626         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6627         (class ipa_ref_opt_summary_t): Switch from function_summary
6628         to fast_function_summary.
6629         * symbol-summary.h (class function_summary_base): New class
6630         that is created from base of former function_summary.
6631         (function_summary_base::unregister_hooks): New.
6632         (class function_summary): Inherit from function_summary_base.
6633         (class call_summary_base): New class
6634         that is created from base of former call_summary.
6635         (class call_summary): Inherit from call_summary_base.
6636         (struct is_same): New.
6637         (class fast_function_summary): New summary class.
6638         (class fast_call_summary): New summary class.
6639         * vec.h (vec_safe_grow_cleared): New function.
6640
6641 2019-02-18  Martin Liska  <mliska@suse.cz>
6642
6643         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6644         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6645         * doc/tm.texi: Document new target hook.
6646         * doc/tm.texi.in: Likewise.
6647         * target.def: Add new target macro.
6648         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6649         suffixes.
6650
6651 2019-02-17  Alan Modra  <amodra@gmail.com>
6652
6653         PR target/89271
6654         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6655         output reg on add insn.
6656         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6657
6658 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6659
6660         PR target/89372
6661         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6662         (PMULHRSW): Likewise.
6663         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6664         TARGET_AVX2.
6665         (ssse3_pmulhrswv4hi3): New expander.
6666
6667 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6668
6669         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6670         MMX.  Add isa attribute.
6671
6672 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6673
6674         PR rtl-optimization/66152
6675         * builtins.h (c_readstr): Declare.
6676         * builtins.c (c_readstr): Remove forward declaration.  Add
6677         null_terminated_p argument, if false, read all bytes from the
6678         string instead of stopping after '\0'.
6679         * expr.c (string_cst_read_str): New function.
6680         (store_expr): Use string_cst_read_str instead of
6681         builtin_strncpy_read_str.  Try to store by pieces the whole
6682         exp_len first, and only if that fails, split it up into
6683         store by pieces followed by clear_storage.  Formatting fix.
6684
6685         * config/i386/i386.md (*movqi_internal): Remove static from
6686         buf variable.  Use output_asm_insn (buf, operands); return "";
6687         instead of return buf;.
6688         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6689         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6690         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6691
6692 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6693
6694         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6695         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6696         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6697         (CC1_SPEC): Likewise.
6698         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6699
6700 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6701
6702         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6703         the base address on 64-bit strict-alignment platforms.
6704
6705 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6706
6707         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6708
6709 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6710
6711         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6712
6713 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6714
6715         PR rtl-optimization/88308
6716         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6717         on copied instruction.
6718
6719 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6720
6721         * final.c (insn_current_reference_address): Replace test on JUMP_P
6722         with test on jump_to_label_p.
6723         * config/visium/visium-passes.def: New file.
6724         * config/visium/t-visium (PASSES_EXTRA): Define.
6725         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6726         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6727         (TRAMPOLINE_ALIGNMENT): Define.
6728         * config/visium/visium.c (visium_option_override): Do not register
6729         the machine-specific reorg pass here.
6730         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6731         for the GR6.
6732         (output_branch): Adjust threshold for long branch instruction.
6733         * config/visium/visium.md (cpu): Move around.
6734         (length): Adjust for the GR6.
6735
6736 2019-02-15  Richard Biener  <rguenther@suse.de>
6737             Jakub Jelinek  <jakub@redhat.com>
6738
6739         PR tree-optimization/89278
6740         * tree-loop-distribution.c: Include tree-eh.h.
6741         (generate_memset_builtin, generate_memcpy_builtin): Call
6742         rewrite_to_non_trapping_overflow on builtin->size before passing it
6743         to force_gimple_operand_gsi.
6744
6745 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6746
6747         PR other/89342
6748         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6749         optimize_debug.
6750         * opth-gen.awk: Likewise.
6751
6752 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6753
6754         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6755         Enable MMX, SSE and SSE2 by default.
6756         * config/i386/i386.c (ix86_option_override_internal): Do not
6757         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6758
6759 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6760
6761         PR rtl-optimization/89354
6762         * combine.c (make_extraction): Punt if extraction_mode is narrower
6763         than len bits.
6764
6765 2019-02-14  Maya Rashish  <coypu@sdf.org>
6766
6767         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6768         * config/netbsd-d.c: New file.
6769         * config/t-netbsd: Add netbsd-d.o
6770
6771 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6772
6773         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6774         affects_type_identity to true for aarch64_vector_pcs.
6775         (aarch64_comp_type_attributes): New function.
6776         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6777
6778 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6779
6780         PR target/88850
6781         * config/arm/iterators.md (ANY64): Add V4HF.
6782
6783 2019-02-14  Martin Liska  <mliska@suse.cz>
6784
6785         PR rtl-optimization/89242
6786         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6787         process a transformation.
6788
6789 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6790
6791         PR tree-optimization/89314
6792         * fold-const.c (fold_binary_loc): Cast strlen argument to
6793         const char * before dereferencing it.  Formatting fixes.
6794
6795         PR middle-end/89284
6796         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6797
6798 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6799
6800         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6801         and set current index for other optimizations.
6802
6803 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6804
6805         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6806         nonimmediate_operand as operand 2 predicate.
6807         (vec_set<VF2_512_256:mode>_0): Ditto.
6808         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6809         (*vec_concatv2si): Remove alternative 2.
6810         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6811         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6812         (vec_concatv2di): Split alternatives 4,5,6 to ...
6813         (*vec_concatv2di_0) ... new pattern.
6814
6815 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6816
6817         PR target/89190
6818         * config/arm/arm.c (ldm_stm_operation_p) Set
6819         addr_reg_in_reglist correctly for first register.
6820         (load_multiple_sequence): Remove dead base check.
6821         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6822
6823 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6824
6825         PR target/88847
6826         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6827         Expose as @aarch64_pred_mov.
6828         * config/aarch64/aarch64.c (aarch64_classify_address):
6829         Use expand_insn which legitimizes operands.
6830
6831 2019-02-13  Martin Liska  <mliska@suse.cz>
6832
6833         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6834         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6835         and pointer_offset fields.
6836         (initialize_argument_information): Remove usage of dead
6837         fields.
6838         * cgraph.h (struct cgraph_thunk_info): Remove
6839         add_pointer_bounds_args.
6840         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6841         fields.
6842         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6843         fields.
6844         * config/i386/i386.c (ix86_function_arg_advance): Remove
6845         unrelated comment.
6846         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6847         (def_builtin):  Remove usage of dead
6848         fields.
6849         (ix86_add_new_builtins): Likewise.
6850         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6851         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6852         (sem_function::init): Likewise.
6853         (sem_variable::merge): Likewise.
6854         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6855         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6856         * lto-cgraph.c (lto_output_node): Likewise.
6857         (lto_output_varpool_node): Likewise.
6858         (input_node): Likewise.
6859         (input_varpool_node): Likewise.
6860         * lto-streamer-out.c (lto_output): Likewise.
6861         * tree-inline.c (expand_call_inline): Remove usage of
6862         assign_stmts.
6863         * tree-inline.h (struct copy_body_data): Likewise.
6864         * varpool.c (varpool_node::dump): Likewise.
6865
6866 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6867
6868         PR middle-end/89303
6869         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6870         into pt->vars_contains_escaped_heap instead of setting
6871         pt->vars_contains_escaped_heap to it.
6872
6873         PR middle-end/89281
6874         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6875         INTVAL (size), compare it to GET_MODE_MASK instead of
6876         1 << GET_MODE_BITSIZE.
6877
6878         PR target/89290
6879         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6880         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6881         -mcmodel=large.
6882
6883 2019-02-13  Martin Liska  <mliska@suse.cz>
6884
6885         PR lto/88858
6886         * cfgrtl.c (remove_barriers_from_footer): New function.
6887         (try_redirect_by_replacing_jump): Use it.
6888         (cfg_layout_redirect_edge_and_branch): Likewise.
6889
6890 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6891
6892         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6893         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6894         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6895         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6896         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6897         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6898         New BU_CRYPTO_2.
6899         * config/rs6000/rs6000.c (builtin_function_type)
6900         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6901         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6902         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6903         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6904         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6905
6906 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6907
6908         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6909         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6910
6911 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6912
6913         PR target/89229
6914         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6915         268678 and revision 268657.
6916         (*movti_internal): Likewise.
6917
6918 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6919
6920         PR target/89233
6921         * config/s390/s390.c (s390_decompose_address): Update comment.
6922         (s390_check_qrst_address): Reject invalid address forms after
6923         LRA.
6924
6925 2019-02-12  Martin Liska  <mliska@suse.cz>
6926
6927         PR lto/88876
6928         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6929         we need default values of funct_state for a function that
6930         is not optimized.
6931
6932 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6933
6934         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6935         the object to pick the size of stores on strict-alignment platforms.
6936
6937         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6938         (*movdi_insn_sp32): Likewise.
6939         (*movdi_insn_sp64): Likewise.
6940
6941 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6942
6943         PR lto/88677
6944         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6945         types that needs constructiong.
6946         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6947
6948 2019-02-12  Richard Biener  <rguenther@suse.de>
6949
6950         PR tree-optimization/89253
6951         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6952         duplicate the loop.
6953
6954 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6955
6956         PR lto/88147
6957         * input.c (selftest::test_line_offset_overflow): New selftest.
6958         (selftest::input_c_tests): Call it.
6959
6960 2019-02-11  Martin Sebor  <msebor@redhat.com>
6961
6962         PR tree-optimization/88771
6963         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6964         when -Wstringop-overflow is set.
6965         (builtin_memref::builtin_memref): Adjust excessive upper bound
6966         only when lower bound is not excessive.
6967         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6968         -Wstringop-ovefflow.
6969         (maybe_diag_offset_bounds): Rename...
6970         (maybe_diag_access_bounds): ...to this.
6971         (check_bounds_or_overlap): Adjust for name change above.
6972
6973 2019-02-11  Martin Sebor  <msebor@redhat.com>
6974
6975         PR c++/87996
6976         * builtins.c (max_object_size): Move from here...
6977         * builtins.h (max_object_size): ...and here...
6978         * tree.c (max_object_size): ...to here...
6979         * tree.h (max_object_size): ...and here.
6980
6981 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6982
6983         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6984         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6985         for correct semantics.
6986
6987 2019-02-11  Alan Modra  <amodra@gmail.com>
6988
6989         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6990         -mlongcall and -mpltseq.
6991         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6992         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6993         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6994         * config/rs6000/sysv4.opt (mpltseq): New option.
6995         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6996         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6997         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6998         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6999         -mpltseq given for ELFv1.
7000         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7001         Only use UNSPEC_PLTSEQ for inline PLT calls.
7002         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7003         use UNSPEC_PLTSEQ for inline PLT calls.
7004         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7005         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7006         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7007         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7008         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7009         (pltseq_mtctr_<mode>): Likewise.
7010
7011 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7012
7013         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7014         Solaris ld.
7015         * configure: Regenerate.
7016
7017 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7018
7019         PR bootstrap/88714
7020         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7021         instead of r.
7022
7023 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7024
7025         * function.c (assign_parm_setup_block): Use the stored
7026         size, not the passed size, when allocating stack-space,
7027         also for a parameter with alignment larger than
7028         MAX_SUPPORTED_STACK_ALIGNMENT.
7029
7030 2019-02-11  Martin Liska  <mliska@suse.cz>
7031
7032         PR ipa/89009
7033         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7034         * ipa-inline.c (inline_small_functions): Likewise.
7035         * ipa-pure-const.c (propagate_pure_const): Likewise.
7036         (propagate_nothrow): Likewise.
7037         * ipa-reference.c (propagate): Likewise.
7038         * ipa-utils.c (struct searchc_env): Remove unused field.
7039         (searchc): Always search across AVAIL_INTERPOSABLE.
7040         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7041         the only called IPA pure const can properly not propagate
7042         across interposable boundary.
7043         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7044
7045 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7046
7047         * config/nds32/nds32.md (call_internal, call_value_internal,
7048         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7049
7050 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7051
7052         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7053         typo.
7054
7055 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7056
7057         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7058         in comments
7059
7060 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7061
7062         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7063
7064 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7065
7066         PR tree-optimization/89268
7067         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7068         if preds is non-NULL.
7069
7070 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7071
7072         PR lto/89272
7073         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7074         polymorphic types.
7075
7076 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7077
7078         * config/nds32/nds32.md (trap): New pattern.
7079
7080 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7081
7082         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7083         dwarf span.
7084
7085 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7086
7087         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7088         to split POST_INC.
7089
7090 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7091
7092         * ipa-visibility.c (localize_node): Also do not localize
7093         LDPR_PREVAILING_DEF_IRONLY_EXP.
7094
7095 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7096
7097         PR lto/87957
7098         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7099         instead of type_with_linkage.
7100
7101 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7102
7103         PR ipa/88755
7104         * params.def (uninlined-function-insns, uninlined-function-time,
7105         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7106         bound so we don't get overflows.
7107
7108 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7109
7110         * config/rs6000/rs6000-string.c (expand_compare_loop,
7111         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7112         memcmp/strncmp.
7113
7114 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7115
7116         PR middle-end/89246
7117         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7118         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7119         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7120
7121 2019-02-09  Alan Modra  <amodra@gmail.com>
7122
7123         PR target/88343
7124         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7125         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7126         setup.
7127
7128 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7129
7130         PR middle-end/88560
7131         * lra-constraints.c (process_alt_operands): Don't increase reject
7132         for memory when offset memory is required.
7133
7134 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7135
7136         * config/s390/vector.md: Implement vector copysign.
7137
7138 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7139
7140         * expr.c (expand_constructor): Correct indentations.
7141
7142 2019-02-08  Richard Biener  <rguenther@suse.de>
7143
7144         PR tree-optimization/89247
7145         * tree-if-conv.c: Include tree-cfgcleanup.h.
7146         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7147         (tree_if_conversion): Pass through predicate vector.
7148         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7149         inline, see if any if-converted loops we refrece in
7150         LOOP_VECTORIZED calls vanished and fixup.
7151         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7152
7153 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7154
7155         * config/s390/constraints.md (jdd): New constraint.
7156
7157 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7158
7159         PR target/89229
7160         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7161         upper 16 vector registers without TARGET_AVX512VL.
7162         (*movti_internal): Likewise.
7163
7164 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7165
7166         PR rtl-optimization/89234
7167         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7168         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7169         (copy_reg_eh_region_note_backward): Likewise.
7170
7171 2019-02-08  Richard Biener  <rguenther@suse.de>
7172
7173         PR middle-end/89223
7174         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7175         doesn't fit in HWI.
7176         (analyze_subscript_affine_affine): Handle failure from
7177         initialize_matrix_A.
7178
7179 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7180
7181         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7182         cfun everywhere.
7183
7184 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7185
7186         PR tree-optimization/86637
7187         PR tree-optimization/89235
7188         * tree-vect-loop.c (optimize_mask_stores): Add an
7189         auto_purge_vect_location sentinel to ensure that vect_location is
7190         purged on exit.
7191         * tree-vectorizer.c
7192         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7193         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7194         to ensure that vect_location is purged on exit.
7195         (pass_slp_vectorize::execute): Likewise, replacing the manual
7196         reset.
7197         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7198
7199 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7200
7201         * config/aarch64/iterators.md (max_opp): New code_attr.
7202         (USMAX): New code iterator.
7203         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7204         (aarch64_smax): Likewise.
7205         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7206         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7207         MINUS (MAX MIN).
7208
7209 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7210
7211         PR target/89229
7212         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7213         for TARGET_AVX512VL.
7214         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7215
7216 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7217
7218         * config/s390/s390-builtin-types.def: Add new types.
7219         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7220         (s390_vec_xlw4): Make the memory operand into a const pointer.
7221         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7222         float.
7223         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7224         a new vector type with the alignment of the scalar memory operand.
7225
7226 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7227             Jakub Jelinek  <jakub@redhat.com>
7228
7229         PR bootstrap/88714
7230         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7231         arm_count_ldrdstrd_insns): New declarations.
7232         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7233         MINUS.
7234         (valid_operands_ldrd_strd): New function.
7235         (arm_count_ldrdstrd_insns): New function.
7236         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7237         sets instead of single DImode set and define new insns to match this.
7238
7239 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7240
7241         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7242         Make it a C initializer.
7243
7244 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7245
7246         PR/target 88850
7247         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7248
7249 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7250
7251         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7252         Use neon_dot<q> for type.
7253         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7254
7255 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7256
7257         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7258         Use neon_dot<q> for type.
7259         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7260         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7261
7262 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7263
7264         PR rtl-optimization/89225
7265         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7266         sizes check.
7267
7268 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7269
7270         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7271         after restoring registers saved to allocate the frame on Windows.
7272
7273 2019-02-06  Richard Biener  <rguenther@suse.de>
7274
7275         PR tree-optimization/89182
7276         * graphite.h (cached_scalar_evolution_in_region): Declare.
7277         * graphite.c (struct seir_cache_key): New.
7278         (struct sese_scev_hash): Likewise.
7279         (seir_cache): New global.
7280         (cached_scalar_evolution_in_region): New function.
7281         (graphite_transform_loops): Allocate and release seir_cache.
7282         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7283         cached_scalar_evolution_in_region.
7284         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7285         Simplify.
7286         (scop_detection::graphite_can_represent_expr: Use
7287         cached_scalar_evolution_in_region.
7288         (scop_detection::stmt_simple_for_scop_p): Likewise.
7289         (find_params_in_bb): Likewise.
7290         (gather_bbs::before_dom_children): Likewise.
7291         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7292         (add_loop_constraints): Likewise.
7293
7294 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7295
7296         PR middle-end/89210
7297         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7298         operand to new_unary_operation only if both element types are integral
7299         and it isn't a widening conversion.  Return NULL_TREE if
7300         new_unary_operation failed.
7301
7302 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7303
7304         PR target/88856
7305         * config/s390/s390.md: Remove load and test FP splitter.
7306
7307 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7308
7309         PR target/89112
7310         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7311         expand_compare_loop, expand_block_compare_gpr,
7312         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7313         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7314         #include "profile-count.h" and "predict.h" for types and functions
7315         needed to work with REG_BR_PROB notes.
7316
7317 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7318
7319         PR target/89112
7320         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7321         for the long branch case.
7322
7323 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7324
7325         PR target/89188
7326         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7327         can throw, non-call exceptions are enabled and we can't delete
7328         dead exceptions or alter cfg.  Set must_clean if
7329         delete_insn_and_edges returns true, don't set it blindly for calls.
7330         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7331
7332         PR rtl-optimization/89195
7333         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7334         of the original MEM.
7335
7336 2019-02-05  Martin Liska  <mliska@suse.cz>
7337
7338         PR gcov-profile/89000
7339         * gcov.c (function_summary): Remove argument.
7340         (file_summary): New function.
7341         (print_usage): Replace tabs with spaces.
7342         (generate_results): Use new function file_summary.
7343
7344 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7345
7346         PR target/89186
7347         * optabs.c (prepare_cmp_insn): Pass x and y to
7348         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7349
7350 2019-02-05  Richard Biener  <rguenther@suse.de>
7351
7352         PR middle-end/89150
7353         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7354         (struct bitmap_element): Drop chain_prev so we properly recurse on
7355         the prev member, supporting tree views.
7356         (struct bitmap_head): GTY skip the obstack member.
7357
7358 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7359
7360         PR c/88698
7361         * doc/extend.texi (Vector Extensions): Add an example of using vector
7362         types together with x86 intrinsics.
7363
7364 2019-02-04  Alan Modra  <amodra@gmail.com>
7365
7366         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7367         str[] size to 160, and comment.
7368
7369 2019-02-04  Alan Modra  <amodra@gmail.com>
7370
7371         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7372         (rs6000_pltseq_template): Guard output of TLS markers with
7373         TARGET_TLS_MARKERS.
7374         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7375         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7376         to use inline PLT sequences.
7377         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7378         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7379         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7380
7381 2019-02-04  Martin Liska  <mliska@suse.cz>
7382
7383         PR ipa/88985
7384         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7385         out when ipa_fn_summaries does not contain entry for callee.
7386
7387 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7388
7389         * config/sparc/sparc.h: Remove superfluous blank lines.
7390         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7391         (got_register_rtx): ...this.
7392         (sparc_got): Adjust to above renaming.
7393         (sparc_tls_got): Likewise.
7394         (sparc_delegitimize_address): Likewise.
7395         (sparc_output_mi_thunk): Likewise.
7396         (sparc_init_pic_reg): Likewise.
7397         (save_local_or_in_reg_p): Fix test on the GOT register.
7398         (USE_HIDDEN_LINKONCE): Move around.
7399         (get_pc_thunk_name): Likewise.
7400         (gen_load_pcrel_sym): Likewise.
7401         (load_got_register): Likewise.
7402
7403 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7404
7405         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7406         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7407
7408 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7409
7410         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7411         into consideration.
7412
7413 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7414
7415         * config.gcc (with_nds32_lib, glibc):
7416         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7417         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7418         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7419
7420 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7421
7422         PR target/89071
7423         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7424         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7425         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7426         (*rcpsf2_sse): Ditto.
7427         (*rsqrtsf2_sse): Ditto.
7428         (sse4_1_round<mode<2): Ditto.
7429
7430 2019-02-03  Richard Biener  <rguenther@suse.de>
7431
7432         PR debug/87295
7433         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7434         orig.
7435
7436 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7437
7438         PR middle-end/87887
7439         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7440         Punt with warning on aggregate return or argument types.  Ignore
7441         type/mode checking for uniform arguments.
7442
7443 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7444
7445         * combine.c (try_combine): Do not print "Can't combine" messages unless
7446         printing failed combination attempts.
7447
7448 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7449
7450         PR hsa/87863
7451         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7452         segment and global segment variables before making them static.
7453
7454 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7455
7456         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7457         missed optimization dump with dump_enabled_p.
7458
7459 2019-02-01  Richard Biener  <rguenther@suse.de>
7460
7461         PR middle-end/88597
7462         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7463         the instantiate cache.
7464         (instantiate_scev_binary): Elide second operand procesing
7465         if equal to the first.
7466         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7467         (chrec_contains_undetermined): Likewise.
7468         (tree_contains_chrecs): Likewise.
7469
7470 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7471
7472         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7473
7474 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7475
7476         PR tree-optimization/89143
7477         * wide-int-range.h (wide_int_range_absu): Declare.
7478         * wide-int-range.cc (wide_int_range_absu): New function.
7479         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7480
7481         PR tree-optimization/88107
7482         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7483         instead of assertion that eh_region_outermost is non-NULL, if it
7484         is NULL, set *ALL to true and return NULL.
7485         (move_sese_region_to_fn): Adjust caller, if all is set, call
7486         duplicate_eh_regions with NULL region.
7487
7488 2019-02-01  Richard Biener  <rguenth@suse.de>
7489
7490         PR rtl-optimization/88593
7491         * mode-switching.c (optimize_mode_switching): Free dominators before
7492         calling cleanup_cfg.
7493
7494 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7495
7496         PR tree-optimization/88932
7497         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7498
7499 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7500
7501         PR middle-end/89137
7502         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7503         bogus clang warning.
7504
7505 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7506
7507         PR target/89071
7508         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7509         alternative to avoid partial SSE register stall for TARGET_AVX.
7510         (truncdfsf2): Ditto.
7511         (sse4_1_round<mode>2): Ditto.
7512
7513 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7514
7515         PR tree-optimization/89008
7516         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7517         process anything of the form X * 0.
7518
7519 2019-01-31  Richard Biener  <rguenther@suse.de>
7520
7521         PR tree-optimization/89135
7522         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7523         with abnormal preds.
7524
7525 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7526
7527         PR sanitizer/89124
7528         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7529         always_inline callees into no_sanitize_address callers.
7530
7531 2019-01-31  Richard Biener  <rguenther@suse.de>
7532
7533         PR rtl-optimization/89115
7534         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7535
7536 2019-01-30  Martin Sebor  <msebor@redhat.com>
7537
7538         PR other/89106
7539         * doc/extend.texi (cast to a union): Correct and expand.
7540
7541 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7542
7543         PR rtl-optimization/87246
7544         * lra-constraints.c (simplify_operand_subreg): Reload memory
7545         in subreg if the address became invalid.
7546
7547 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7548
7549         PR target/87064
7550         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7551         Disable for little-endian.
7552
7553 2019-01-30  Richard Biener  <rguenther@suse.de>
7554
7555         PR rtl-optimization/89115
7556         * opts.c (default_options_optimization): Reduce
7557         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7558         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7559         to the default.
7560
7561 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7562
7563         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7564         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7565         type of vector element when vec_extract is implemented by direct
7566         move.
7567
7568 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7569
7570         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7571
7572 2019-01-30  Richard Biener  <rguenther@suse.de>
7573
7574         PR tree-optimization/89111
7575         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7576         canonicalization to appropriately sized access types.
7577
7578 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7579
7580         PR c++/89105
7581         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7582         for arguments to functions that are TU-local and shouldn't be
7583         referenced by assembly.
7584
7585 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7586
7587         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7588         after '='.
7589
7590 2019-01-29  Martin Sebor  <msebor@redhat.com>
7591
7592         PR c/88956
7593         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7594
7595 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7596
7597         PR c++/66676
7598         PR ipa/89104
7599         * omp-simd-clone.c (simd_clone_clauses_extract)
7600         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7601         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7602
7603 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7604
7605         * config.gcc: Force .init_array for ARC.
7606
7607 2019-01-29  Richard Biener  <rguenther@suse.de>
7608
7609         PR debug/87295
7610         * dwarf2out.c (collect_skeleton_dies): New helper.
7611         (copy_decls_for_unworthy_types): Call it.
7612         (build_abbrev_table): Assert we do not try to replace
7613         DW_AT_signature refs with local refs.
7614
7615 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7616
7617         PR middle-end/89002
7618         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7619         for lastprivate/linear IV, push gimplify context around gimplify_assign
7620         and, if it needed any temporaries, pop it into a gimple bind around the
7621         sequence.
7622
7623 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7624
7625         * common.opt (-Wattribute-alias): Remove "no-" from name.
7626         Make -Wattribute-alias command line option and
7627         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7628
7629 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7630
7631         PR target/89073
7632         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7633         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7634         x86 ISA options.
7635         (bmi2): Add missing @opindex.
7636         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7637         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7638         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7639         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7640         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7641         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7642         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7643         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7644         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7645         xsavec, xsaveopt and xsaves options.
7646
7647 2019-01-28  Richard Biener  <rguenther@suse.de>
7648
7649         PR debug/89076
7650         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7651         support removal.
7652
7653 2019-01-28  Richard Biener  <rguenther@suse.de>
7654
7655         PR tree-optimization/88739
7656         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7657         BIT_FIELD_REFs only are applied to mode-precision operands
7658         when they are integral.
7659         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7660         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7661         BIT_FIELD_REFs of non-mode-precision integral operands.
7662
7663 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7664
7665         PR target/87214
7666         * config/i386/sse.md
7667         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7668         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7669         first constants in pairs are multiples of 2.  Formatting fixes.
7670         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7671         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7672         first constants in each quadruple are multiples of 4.  Formatting fixes.
7673
7674 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7675
7676         PR ipa/88933
7677         * tree-inline.c: Include tree-cfgcleanup.h.
7678         (delete_unreachable_blocks_update_callgraph): Move...
7679         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7680         ...here, make externally visible, make second argument bool, adjust
7681         all callers.
7682         * tree-cfgcleanup.c: Include cgraph.h.
7683         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7684         Declare.
7685         * ipa-prop.c: Include tree-cfgcleanup.h.
7686         (ipcp_transform_function): Call
7687         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7688
7689 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7690
7691         PR rtl-optimization/88846
7692         * ira.c (process_set_for_memref_referenced_p): New.
7693         (memref_referenced_p): Add new param.  Use
7694         process_set_for_memref_referenced_p.  Add new switch cases.
7695         (memref_used_between_p): Pass new arg to memref_referenced_p.
7696
7697 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7698
7699         PR target/88469
7700         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7701         argument ABI_BREAK.  Set to true if the calculated alignment has
7702         changed in gcc-9.  Check bit-fields for their base type alignment.
7703         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7704         (aarch64_function_arg_boundary): Likewise.
7705         (aarch64_gimplify_va_arg_expr): Likewise.
7706
7707 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7708
7709         PR middle-end/89037
7710         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7711         instead of accessing TREE_INT_CST_ELT directly.
7712
7713 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7714
7715         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7716         fenv_exceptions description.
7717
7718 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7719
7720         PR rtl-optimization/87763
7721         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7722         Allow SUBREG when matching CC_NZmode compare.
7723
7724 2019-01-25  Richard Biener  <rguenther@suse.de>
7725
7726         PR tree-optimization/89049
7727         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7728         Look at the pattern stmt to determine if the stmt is vectorized.
7729
7730 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7731
7732         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7733         (pred_mov<mode>): Handle all-register forms using both a new
7734         alternative and a split.
7735
7736 2019-01-25  Richard Biener  <rguenther@suse.de>
7737
7738         PR tree-optimization/86865
7739         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7740         Reject non-do-while loops.
7741
7742 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7743
7744         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7745         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7746         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7747         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7748         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7749         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7750         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7751         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7752         vlogical_operand, gpc_reg_operand, int_reg_operand,
7753         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7754         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7755         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7756         (save_world_operation, restore_world_operation, lmw_operation,
7757         stmw_operation): Use MEM_P and REG_P.
7758         (tie_operand): Use MEM_P.
7759         (vrsave_operation, crsave_operation): Use REG_P.
7760         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7761         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7762         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7763         (call_operand): Use HARD_REGISTER_P.
7764         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7765         Use CONST_INT_P.
7766         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7767         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7768         quad_aligned_load_p, replace_swapped_aligned_store,
7769         recombine_lvx_pattern, replace_swapped_aligned_load,
7770         recombine_stvx_pattern): Use MEM_P.
7771         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7772         Use MEM_P and SYMBOL_REF_P.
7773         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7774         (insn_is_swappable_p): Use REG_P and MEM_P.
7775         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7776         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7777         Use CONST_INT_P.
7778         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7779         Use CONST_DOUBLE_P.
7780         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7781         CONST_WIDE_INT_P.
7782         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7783         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7784         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7785         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7786         reg_or_subregno:
7787         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7788         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7789         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7790         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7791         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7792         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7793         rs6000_split_logical_di): Use CONST_INT_P.
7794         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7795         REG_P and SYMBOL_REF_P.
7796         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7797         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7798         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7799         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7800         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7801         (small_data_operand, print_operand_address): Use CONST_INT_P and
7802         SYMBOL_REF_P.
7803         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7804         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7805         Use HARD_REGISTER_NUM_P.
7806         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7807         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7808         SUBREG_P and SYMBOL_REF_P.
7809         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7810         and HARD_REGISTER_NUM_P.
7811         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7812         reg_or_subregno.
7813         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7814         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7815         MEM_P and REG_P.
7816         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7817         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7818         find_addr_reg): Use REG_P.
7819         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7820         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7821         (offsettable_ok_by_alignment, constant_pool_expr_p,
7822         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7823         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7824         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7825         rs6000_assemble_integer, create_TOC_reference,
7826         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7827         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7828         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7829         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7830         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7831         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7832         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7833         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7834         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7835         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7836         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7837         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7838         and cbranch<mode>4): Use CONST_INT_P.
7839         (multiple define_splits): Use REG_P and SUBREG_P.
7840         (define_expands call, call_value): Use MEM_P.
7841         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7842         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7843         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7844         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7845         and HARD_REGISTER_NUM_P.
7846         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7847
7848 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7849
7850         PR rtl-optimization/88948
7851         * rtl.h (prepare_copy_insn): New prototype.
7852         * gcse.c (prepare_copy_insn): New function, split out from
7853         process_insert_insn.
7854         (process_insert_insn): Use prepare_copy_insn.
7855         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7856         instead of gen_move_insn.
7857
7858 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7859
7860         PR debug/89006
7861         * config/i386/i386.c (ix86_pic_register_p): Return true for
7862         UNSPEC_SET_GOT too.
7863
7864         PR tree-optimization/88964
7865         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7866         punt if HONOR_SNANS (chrec).
7867
7868         PR middle-end/89015
7869         * tree-nested.c (convert_nonlocal_reference_stmt,
7870         convert_local_reference_stmt, convert_tramp_reference_stmt,
7871         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7872         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7873         or GIMPLE_OMP_TASK.
7874
7875         PR tree-optimization/89027
7876         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7877         for "omp simd array" variables.
7878
7879 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7880
7881         PR target/88469
7882         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7883         force the alignment of m_val.
7884
7885 2019-01-24  Richard Biener  <rguenther@suse.de>
7886
7887         PR lto/87187
7888         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7889         When in "legacy" debug mode make sure to reset self-origins.
7890
7891 2019-01-24  Martin Liska  <mliska@suse.cz>
7892
7893         PR gcov-profile/88994
7894         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7895         result will be always smaller or equal to the original.
7896         * gcov.c (mangle_name): Fix else branch where we should
7897         also copy to PTR and shift the pointer.
7898
7899 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7900
7901         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7902         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7903
7904 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
7905
7906         * common/config/i386/i386-common.c
7907         (OPTION_MASK_ISA_ENQCMD_SET,
7908         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
7909         (ix86_handle_option): Handle -menqcmd.
7910         * config.gcc (enqcmdintrin.h): New header file.
7911         * config/i386/cpuid.h (bit_ENQCMD): New bit.
7912         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
7913         -menqcmd.
7914         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
7915         function type.
7916         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
7917         __builtin_ia32_enqcmds): New builtins.
7918         * config/i386/i386-c.c (__ENQCMD__): New macro.
7919         * config/i386/i386-option.c (ix86_target_string): Add
7920         -menqcmd.
7921         (ix86_valid_target_attribute_inner_p): Likewise.
7922         * config/i386/i386-expand.c
7923         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
7924         IX86_BUILTIN_ENQCMDS.
7925         * config/i386/i386.h (TARGET_ENQCMD): New.
7926         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
7927         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
7928         (movdir64b_<mode>): Parameterize to enable share expansion code
7929         with ENQCMD in function ix86_expand_builtin.
7930         * config/i386/i386.opt: Add -menqcmd.
7931         * config/i386/immintrin.h: Include enqcmdintrin.h.
7932         * config/i386/enqcmdintrin.h: New intrinsic file.
7933         * doc/invoke.texi: Add -menqcmd.
7934
7935 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7936             Steve Ellcey <sellcey@marvell.com>
7937
7938         PR target/85711
7939         * recog.c (address_operand): Return false on wrong mode for address.
7940         (constrain_operands): Check for mode with 'p' constraint.
7941
7942 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7943
7944         PR target/88998
7945         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7946         Disparage MMX alternative.
7947         (sse2_cvtpd2pi): Ditto.
7948         (sse2_cvttpd2pi): Ditto.
7949
7950 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7951
7952         PR driver/89014
7953         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7954         use-after-free of the result of
7955         aarch64_get_extension_string_for_isa_flags.
7956
7957 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7958
7959         PR c/44715
7960         * doc/extend.texi: Document break and continue behavior in
7961         statement expressions.
7962
7963 2019-01-23  Richard Biener  <rguenther@suse.de>
7964
7965         PR tree-optimization/89008
7966         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7967         not leave another stray operand.
7968
7969 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7970
7971         * BASE-VER: Bump to 9.0.1.
7972
7973 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7974
7975         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7976         thunk that returns by reference, use the type of the return object
7977         of the thunk instead of that of the alias to build the dereference.
7978
7979 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7980
7981         * config/arc/atomic.md: Add operand to DMB instruction.
7982
7983 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7984
7985         PR tree-optimization/88964
7986         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7987         build_zero_cst instead of build_int_cst.  Return false for loop
7988         invariants which honor signed zeros.
7989
7990 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7991
7992         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7993
7994 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7995
7996         PR target/88965
7997         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7998         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7999         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8000
8001         PR middle-end/88968
8002         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8003         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8004
8005         PR target/87064
8006         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8007         Disable for little endian.
8008
8009 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8010
8011         PR target/88469
8012         * config/arm/arm.c (arm_needs_double_word_align): Check
8013         DECL_BIT_FIELD_TYPE.
8014
8015 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8016             H.J. Lu  <hongjiu.lu@intel.com>
8017
8018         PR target/88909
8019         * config/i386/i386-builtin.def: Add mask2 to all builtin
8020         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8021         SPECIAL_ARGS.
8022         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8023         (BDESC_FIRST): Likewise.
8024         (define_builtin): Add an argument for mask2.  Updated to handle
8025         both ix86_isa_flags and ix86_isa_flags2.
8026         (define_builtin_const): Likewise.
8027         (define_builtin_pure): Likewise.
8028         (define_builtin2): Deleted.
8029         (define_builtin_const2): Likewise.
8030         (builtin_description): Add a member, mask2.
8031         (bdesc_*): Add mask2 to builtin initializations.
8032         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8033         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8034         support.
8035         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8036
8037 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8038
8039         PR target/88954
8040         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8041         noplt attribute.
8042
8043 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8044
8045         PR target/88469
8046         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8047         alignment is dominated by a bitfield with 64-bit aligned base type.
8048         (arm_function_arg): Emit a warning if the alignment has changed since
8049         earlier GCC releases.
8050         (arm_function_arg_boundary): Likewise.
8051         (arm_setup_incoming_varargs): Likewise.
8052
8053 2019-01-22  Richard Biener  <rguenther@suse.de>
8054
8055         PR tree-optimization/88862
8056         * graphite-scop-detection.c
8057         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8058
8059 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8060
8061         * doc/extend.tex (AMD GCN Function Attributes): New section.
8062         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8063         * doc/invoke.texi (AMD GCN Options): New section.
8064         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8065
8066 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8067
8068         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8069         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8070
8071 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8072
8073         PR tree-optimization/88044
8074         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8075         is false in the first iteration, but !every_iteration, return false
8076         instead of true with niter->niter zero.
8077
8078         PR rtl-optimization/88904
8079         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8080         any nonequal registers before processing BB_END (b).
8081
8082         PR target/88905
8083         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8084         GET_MODE (op0).
8085         (expand_binop_directly, expand_doubleword_clz,
8086         expand_doubleword_popcount, expand_ctz, expand_ffs,
8087         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8088
8089         PR rtl-optimization/49429
8090         PR target/49454
8091         PR rtl-optimization/86334
8092         PR target/88906
8093         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8094         addressable from here...
8095         (emit_block_op_via_libcall): ... to here.
8096
8097 2019-01-22  Richard Biener  <rguenther@suse.de>
8098
8099         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8100         auto_vec for cost vector to fix memleak.
8101         (vectorize_fold_left_reduction): Properly gather SLP defs.
8102         (vectorizable_comparison): Do not swap operands to properly
8103         gather SLP defs.
8104
8105 2019-01-22  Alan Modra  <amodra@gmail.com>
8106
8107         PR target/88614
8108         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8109         stays a reg.  Allow a const_int.
8110         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8111         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8112         (IS_NOMARK_TLSGETADDR): Define.
8113         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8114         (rs6000_output_tlsargs): New function.
8115         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8116         __tls_get_addr call takes an arg.
8117         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8118         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8119         delete split..
8120         (call_value_nonlocal_sysv): ..or here, delete split.
8121         (tls_gdld_nomark): Delete.
8122         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8123         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8124         (call_value_nonlocal_sysv): Likewise.
8125         (call_value_nonlocal_sysv_secure): Likewise.
8126         (call_value_nonlocal_aix): Likewise.
8127         (call_value_indirect_aix): Likewise.
8128         (call_value_indirect_elfv2): Likewise.
8129         (call_value_local32, call_value_local64): Disable for no-mark tls.
8130         (call_value_local_aix): Likewise.
8131
8132 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8133
8134         PR target/88938
8135         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8136         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8137
8138 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8139
8140         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8141         string contents as hash_map keys.
8142
8143 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8144
8145         PR c/88928
8146         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8147         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8148         instead of TYPE_ALIGN.
8149         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8150         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8151         pointer from TYPE_STUB_DECL.
8152
8153 2019-01-21  Richard Biener  <rguenther@suse.de>
8154
8155         PR tree-optimization/88934
8156         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8157         at the possibly non-constant operand.
8158         (vect_get_constant_vectors): Adjust.
8159
8160 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8161
8162         PR target/71659
8163         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8164         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8165         instead of _X86INTRIN_H_INCLUDED.
8166         * onfig/i386/clwbintrin.h: Likewise.
8167         * config/i386/pkuintrin.h: Likewise.
8168         * config/i386/prfchwintrin.h: Likewise.
8169         * config/i386/rdseedintrin.h: Likewise.
8170         * config/i386/wbnoinvdintrin.h: Likewise.
8171         * config/i386/xsavecintrin.h: Likewise.
8172         * config/i386/xsavesintrin.h: Likewise.
8173         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8174         * config/i386/xsaveintrin.h: Likewise.
8175         * config/i386/xsaveoptintrin.h: Likewise.
8176         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8177         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8178         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8179         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8180         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8181         * config/i386/immintrin.h: Here.
8182
8183 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8184
8185         PR ipa/87615
8186         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8187         with aa_walk_budget.
8188         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8189         aa_walk_budget_p parameter.
8190         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8191         walk.  Updated all callers.
8192         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8193         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8194         unmodified_parm.
8195         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8196         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8197         and to unmodified_parm.
8198         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8199         info, updated call to will_be_nonconstant_expr_predicate.
8200         (param_change_prob): New parameter fbi, limit AA walking.
8201         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8202         calls to various above functions.
8203         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8204         parameter.  Use it to limit AA walking.
8205         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8206         fbi, limit AA walk.
8207         (detect_type_change): New parameter fbi, pass it on to
8208         detect_type_change_from_memory_writes.
8209         (detect_type_change_ssa): Likewise.
8210         (aa_overwalked): Removed.
8211         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8212         accordingly, adjust to the neew AA limiting scheme.
8213         (parm_ref_data_preserved_p): Likewise.
8214         (ipa_compute_jump_functions_for_edge): Adjust call to
8215         get_dynamic_type.
8216         (ipa_analyze_call_uses): Likewise.
8217         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8218         (ipa_analyze_node): Initialize aa_walk_budget.
8219         (ipcp_transform_function): Likewise.
8220         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8221         to get_dynamic_type.
8222
8223 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8224
8225         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8226         outside of #if CHECKING_P code.
8227
8228 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8229
8230         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8231         New function, split out from...
8232         (loop_versioning::analyze_stride): ...here.
8233         (loop_versioning::find_per_loop_multiplication): Use gassign.
8234         (loop_versioning::analyze_term_using_scevs): Return a success code.
8235         (loop_versioning::analyze_arbitrary_term): New function.
8236         (loop_versioning::analyze_address_fragment): Use
8237         analyze_arbitrary_term if all else fails.
8238
8239 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8240
8241         PR target/88892
8242         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8243         operands.
8244
8245 2019-01-18  Richard Biener  <rguenther@suse.de>
8246
8247         PR tree-optimization/88903
8248         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8249         scalar stmts a SLP shift amount is composed of when detecting
8250         shifts by scalars.
8251
8252 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8253
8254         PR target/88799
8255         * config/arm/arm-cpus.in (mp): New feature.
8256         (sec): New feature.
8257         (fgroup ARMv7ve): Add mp and sec features.
8258         (arch armv7-a): Add options to allow mp and sec extensions.
8259         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8260         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8261         extenstions to the base architecture.
8262         (cpu cortex-a8): Add sec extension to the base architecture.
8263         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8264         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8265         variants down to the base v7-a varaint.
8266         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8267         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8268         of permitted extensions for -march=armv7-a and for
8269         -mcpu=generic-armv7-a.
8270
8271 2019-01-18  Martin Liska  <mliska@suse.cz>
8272
8273         * params.def: Fix comment.
8274         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8275         name.
8276         (gimple_gen_ic_func_profiler): Likewise.
8277
8278 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8279
8280         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8281         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8282         and put in error checks for stack protector guard options.
8283         (aarch64_stack_protect_guard): New.
8284         (TARGET_STACK_PROTECT_GUARD): Define.
8285         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8286         (reg_stack_protect_address<mode>): New.
8287         (stack_protect_set): Adjust for SSP_GLOBAL.
8288         (stack_protect_test): Likewise.
8289         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8290         (-mstack-protector-guard): Likewise.
8291         (-mstack-protector-guard-offset): Likewise.
8292
8293 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8294
8295         PR tree-optimization/86214
8296         * tree-inline.h (struct copy_body_data): Add
8297         add_clobbers_to_eh_landing_pads member.
8298         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8299         (copy_edges_for_bb): Call it if EH edge destination is <
8300         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8301         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8302         if flag_stack_reuse != SR_NONE and clear it afterwards.
8303
8304 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8305
8306         PR target/85596
8307         * doc/install.texi (with-multilib-list): Document for aarch64.
8308
8309 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8310
8311         PR target/88734
8312         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8313         (("..."))) with ("...").
8314
8315 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8316
8317         * doc/extend.texi (Built-in Functions for Memory Model Aware
8318         Atomic Operations): Document atomic fetch and nand.
8319
8320 2019-01-18  Martin Liska  <mliska@suse.cz>
8321             Richard Biener  <rguenther@suse.de>
8322
8323         PR middle-end/88587
8324         * cgraph.h (create_version_clone_with_body): Add new argument
8325         with attributes.
8326         * cgraphclones.c (cgraph_node::create_version_clone): Add
8327         DECL_ATTRIBUTES to a newly created decl.  And call
8328         valid_attribute_p so that proper cl_target_optimization_node
8329         is set for the newly created declaration.
8330         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8331         for declaration.
8332         (expand_target_clones): Do not call valid_attribute_p, it must
8333         be already done.
8334         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8335         vector types.
8336
8337 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8338
8339         PR target/88734
8340         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8341         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8342         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8343
8344 2019-01-17  Martin Sebor  <msebor@redhat.com>
8345
8346         PR middle-end/88273
8347         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8348         Handle anti-ranges the same as no range at all.
8349
8350 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8351
8352         * config/aarch64/aarch64.c (cgraph.h): New include.
8353         (intl.h): New include.
8354         (supported_simd_type): New function.
8355         (currently_supported_simd_type): Ditto.
8356         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8357         (aarch64_simd_clone_adjust): Ditto.
8358         (aarch64_simd_clone_usable): Ditto.
8359         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8360         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8361         (TARGET_SIMD_CLONE_USABLE): Ditto.
8362         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8363         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8364         call.
8365
8366 2019-01-17  Martin Sebor  <msebor@redhat.com>
8367
8368         PR tree-optimization/88800
8369         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8370         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8371         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8372         redundant argument.  Add new argument and issue diagnostics under
8373         its control.  Detect out-of-bounds access even with warnings
8374         disabled.
8375         (check_bounds_or_overlap): Change return type.  Add argument.
8376         (wrestrict_dom_walker::check_call): Adjust.
8377         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8378         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8379         check_bounds_or_overlap's return value.
8380         (handle_builtin_stxncpy): Same.
8381         (handle_builtin_strcat): Same.
8382
8383 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8384             Kwok Cheung Yeung  <kcy@codesourcery.com>
8385             Julian Brown  <julian@codesourcery.com>
8386             Tom de Vries  <tom@codesourcery.com>
8387
8388         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8389
8390 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8391
8392         * doc/sourcebuild.texi: Document dg-require-effective-target
8393         llvm_binutils and offload_gcn.
8394
8395 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8396             Kwok Cheung Yeung  <kcy@codesourcery.com>
8397             Julian Brown  <julian@codesourcery.com>
8398             Tom de Vries  <tom@codesourcery.com>
8399
8400         * doc/sourcebuild.texi: Document dg-required-effective-target
8401         exceptions.
8402
8403 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8404             Kwok Cheung Yeung  <kcy@codesourcery.com>
8405             Julian Brown  <julian@codesourcery.com>
8406             Tom de Vries  <tom@codesourcery.com>
8407             Jan Hubicka  <hubicka@ucw.cz>
8408             Martin Jambor  <mjambor@suse.cz>
8409
8410         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8411         * configure.ac: Check for dlopen.
8412         * configure: Regenerate.
8413
8414 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8415             Kwok Cheung Yeung  <kcy@codesourcery.com>
8416             Julian Brown  <julian@codesourcery.com>
8417             Tom de Vries  <tom@codesourcery.com>
8418             Jan Hubicka  <hubicka@ucw.cz>
8419             Martin Jambor  <mjambor@suse.cz>
8420
8421         * common/config/gcn/gcn-common.c: New file.
8422         * config/gcn/driver-gcn.c: New file.
8423         * config/gcn/gcn-builtins.def: New file.
8424         * config/gcn/gcn-hsa.h: New file.
8425         * config/gcn/gcn-modes.def: New file.
8426         * config/gcn/gcn-opts.h: New file.
8427         * config/gcn/gcn-passes.def: New file.
8428         * config/gcn/gcn-protos.h: New file.
8429         * config/gcn/gcn-run.c: New file.
8430         * config/gcn/gcn-tree.c: New file.
8431         * config/gcn/gcn.c: New file.
8432         * config/gcn/gcn.h: New file.
8433         * config/gcn/gcn.opt: New file.
8434         * config/gcn/t-gcn-hsa: New file.
8435
8436 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8437             Kwok Cheung Yeung  <kcy@codesourcery.com>
8438             Julian Brown  <julian@codesourcery.com>
8439             Tom de Vries  <tom@codesourcery.com>
8440             Jan Hubicka  <hubicka@ucw.cz>
8441             Martin Jambor  <mjambor@suse.cz>
8442
8443         * config/gcn/constraints.md: New file.
8444         * config/gcn/gcn-valu.md: New file.
8445         * config/gcn/gcn.md: New file.
8446         * config/gcn/predicates.md: New file.
8447
8448 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8449
8450         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8451         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8452         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8453         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8454
8455 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8456
8457         PR target/88851
8458         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8459         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8460         it and document registers.
8461
8462 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8463
8464         * config/aarch64/aarch64.c (ares_tunings): Define.
8465         * config/aarch64/aarch64-cores.def (ares): Use the above.
8466
8467 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8468
8469         PR target/88794
8470         Revert:
8471         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8472
8473         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8474         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8475         (_mm512_maskz_fixupimm_round_pd): Ditto.
8476         (_mm512_fixupimm_round_ps): Ditto.
8477         (_mm512_maskz_fixupimm_round_ps): Ditto.
8478         (_mm_fixupimm_round_sd): Ditto.
8479         (_mm_maskz_fixupimm_round_sd): Ditto.
8480         (_mm_fixupimm_round_ss): Ditto.
8481         (_mm_maskz_fixupimm_round_ss): Ditto.
8482         (_mm512_fixupimm_pd): Ditto.
8483         (_mm512_maskz_fixupimm_pd): Ditto.
8484         (_mm512_fixupimm_ps): Ditto.
8485         (_mm512_maskz_fixupimm_ps): Ditto.
8486         (_mm_fixupimm_sd): Ditto.
8487         (_mm_maskz_fixupimm_sd): Ditto.
8488         (_mm_fixupimm_ss): Ditto.
8489         (_mm_maskz_fixupimm_ss): Ditto.
8490         (_mm512_mask_fixupimm_round_pd): Update builtin.
8491         (_mm512_mask_fixupimm_round_ps): Ditto.
8492         (_mm_mask_fixupimm_round_sd): Ditto.
8493         (_mm_mask_fixupimm_round_ss): Ditto.
8494         (_mm512_mask_fixupimm_pd): Ditto.
8495         (_mm512_mask_fixupimm_ps): Ditto.
8496         (_mm_mask_fixupimm_sd): Ditto.
8497         (_mm_mask_fixupimm_ss): Ditto.
8498         * config/i386/avx512vlintrin.h:
8499         (_mm256_fixupimm_pd): Update parameters and builtin.
8500         (_mm256_maskz_fixupimm_pd): Ditto.
8501         (_mm256_fixupimm_ps): Ditto.
8502         (_mm256_maskz_fixupimm_ps): Ditto.
8503         (_mm_fixupimm_pd): Ditto.
8504         (_mm_maskz_fixupimm_pd): Ditto.
8505         (_mm_fixupimm_ps): Ditto.
8506         (_mm_maskz_fixupimm_ps): Ditto.
8507         (_mm256_mask_fixupimm_pd): Update builtin.
8508         (_mm256_mask_fixupimm_ps): Ditto.
8509         (_mm_mask_fixupimm_pd): Ditto.
8510         (_mm_mask_fixupimm_ps): Ditto.
8511         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8512         * config/i386/i386-builtin.def: Update builtin definitions.
8513         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8514         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8515         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8516         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8517         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8518         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8519         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8520         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8521         * config/i386/subst.md:
8522         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8523         (round_saeonly_sd_mask_op4): Ditto.
8524         (round_saeonly_expand_operand5): Ditto.
8525         (round_saeonly_expand): Update.
8526
8527 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8528
8529         PR target/88794
8530         Revert:
8531         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8532
8533         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8534         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8535         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8536         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8537         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8538         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8539         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8540
8541 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8542
8543         PR target/88794
8544         Revert:
8545         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8546
8547         PR target/88489
8548         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8549         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8550         instead of UNSPEC_FIXUPIMM.
8551
8552 2019-01-17  Richard Biener  <rguenther@suse.de>
8553
8554         PR lto/86736
8555         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8556         and friends for the LTO part of debug info.
8557
8558 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8559
8560         PR tree-optimization/86214
8561         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8562         if x == y.
8563
8564         PR rtl-optimization/88870
8565         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8566         throw if we can't alter the cfg or delete dead exceptions.
8567         (mark_insn): Don't call find_call_stack_args for such calls.
8568
8569 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8570
8571         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8572         prototypes for vec_st.
8573         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8574         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8575         mainly on signed/unsigned long long and double.
8576
8577 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8578
8579         PR target/88861
8580         * combine.c (delete_noop_moves): Convert to "bool" return,
8581         returning true if any edges are eliminated.
8582         (combine_instructions): Also return true if delete_noop_moves
8583         returns true.
8584
8585 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8586
8587         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8588         correct max nunits for endian swap.
8589         (aarch64_expand_fcmla_builtin): Correct subreg code.
8590         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8591         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8592         lane endianness.
8593
8594 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8595
8596         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8597         Handle split indirect COMPLEX_TYPE arguments.
8598
8599 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8600
8601         PR target/86891
8602         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8603         bit is set by add and compare.
8604         (CC_ADC): New CC_MODE.
8605         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8606         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8607         comparison.  Add detection for CC_ADCmode.
8608         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8609         CC_ADCmode.
8610         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8611         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8612         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8613         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8614         to eliminate the need for zero-extending the operands.
8615         (add<mode>3_compareC_imm): Delete.  Merge into ...
8616         (add<mode>3_compareC): ... this.  Restructure the comparison to
8617         eliminate the need for zero-extending the operands.
8618         (add<mode>3_carryin): Use LTU for the overflow detection.
8619         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8620         Reexpress comparison for overflow.
8621         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8622         (add<mode>3_carryinC): Likewise.
8623         (add<mode>3_carryinV): Use LTU for carry between partials.
8624         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8625         handling of CC_Cmode and add CC_ADCmode.
8626         (aarch64_borrow_operation): Likewise.
8627
8628 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8629
8630         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8631         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8632         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8633         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8634
8635 2019-01-16  Martin Liska  <mliska@suse.cz>
8636
8637         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8638         for GCC driver.
8639         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8640         a new argument.
8641         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8642         (path_prefix_reset): Move up in the source file.
8643         (find_fortran_preinclude_file): Make complex search for the
8644         fortran header files.
8645
8646 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8647
8648         * godump.c (go_output_typedef): When outputting a typedef, refer
8649         to the underlying type by its name and not its structure.
8650
8651 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8652
8653         PR c++/88795
8654         * tree.c (build_function_type): Assert that arg_types is not
8655         error_mark_node.
8656
8657 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8658
8659         PR inline-asm/52813
8660         * doc/extend.texi: Document that listing the stack pointer in the
8661         clobber list of an asm is a deprecated feature.
8662         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8663         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8664         warning instead of an error for clobbers of the stack pointer.
8665         Add a note explaining why.
8666
8667 2019-01-15  Richard Biener  <rguenther@suse.de>
8668
8669         PR debug/88046
8670         * dwarf2out.c (gen_member_die): Do not generate inheritance
8671         DIEs late.
8672
8673 2019-01-15  Richard Biener  <rguenther@suse.de>
8674
8675         PR tree-optimization/88855
8676         * tree-if-conv.c (combine_blocks): Collect
8677         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8678
8679 2019-01-15  Tom de Vries  <tdevries@suse.de>
8680
8681         PR target/80547
8682         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8683         lhs == NULL_TREE for gang-level reduction.
8684
8685 2019-01-15  Richard Biener  <rguenther@suse.de>
8686             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8687
8688         PR ipa/88788
8689         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8690         return true if SSA_NAME is already marked in visited bitmap.
8691         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8692
8693 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8694
8695         PR tree-optimization/88775
8696         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8697         equal == 0 equality pointer comparisons some more if compared in
8698         integral types and either one points to an automatic var and the
8699         other to a global, or we can prove at least one points to the middle
8700         or both point to start or both point to end.
8701
8702 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8703
8704         * Makefile.in: Lower autofdo sampling rate by 10x.
8705         * Makefile.tpl: Dito.
8706
8707 2019-01-14  Tom Honermann  <tom@honermann.net>
8708
8709         * defaults.h: Define CHAR8_TYPE.
8710
8711 2019-01-14  Martin Sebor  <msebor@redhat.com>
8712
8713         PR target/88638
8714         * doc/extend.texi (Darwin Format Checks): Clarify.
8715
8716 2019-01-14  Richard Biener  <rguenther@suse.de>
8717
8718         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8719         whether we are in (simplify ...) or (match ...) context.
8720
8721 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8722
8723         PR rtl-optimization/88796
8724         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8725         * cfgexpand.c (stack_protect_prologue): Initialize
8726         crtl->stack_protect_guard_decl.
8727         * function.c (stack_protect_epilogue): Use it instead of calling
8728         targetm.stack_protect_guard again.
8729         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8730         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8731         crtl->stack_protect_guard_decl.
8732         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8733         on the returned MEM_EXPR.
8734
8735 2019-01-12  Tom de Vries  <tdevries@suse.de>
8736
8737         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8738         vector length using -fopenacc-dim.
8739
8740 2019-01-12  Tom de Vries  <tdevries@suse.de>
8741
8742         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8743         lengths into account.
8744
8745 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8746
8747         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8748         (TARGET_CAN_SPLIT_STACK): Define.
8749         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8750
8751 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8752
8753         * params.def (inline-unit-growth): Set to 40.
8754
8755 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8756
8757         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8758
8759 2019-01-12  Tom de Vries  <tdevries@suse.de>
8760
8761         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8762         region calling vector-partitionable routine, set default_vector_length
8763         to WARP_SIZE.
8764
8765 2019-01-12  Tom de Vries  <tdevries@suse.de>
8766
8767         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8768         variable default_vector_length.
8769
8770 2019-01-12  Tom de Vries  <tdevries@suse.de>
8771
8772         PR middle-end/88703
8773         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8774         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8775         dimensions limits.
8776
8777 2019-01-12  Tom de Vries  <tdevries@suse.de>
8778
8779         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8780         (nvptx_goacc_validate_dims): Add used parameter.
8781         * doc/tm.texi: Regenerate.
8782         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8783         argument to call to targetm.goacc.validate_dims.
8784         (default_goacc_validate_dims): Add used
8785         parameter.
8786         * target.def (validate_dims): Add used parameter in DEFHOOK.
8787         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8788
8789 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8790
8791         PR middle-end/85956
8792         PR lto/88733
8793         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8794         field.
8795         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8796         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8797         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8798         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8799
8800 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8801
8802         PR rtl-optimization/87305
8803         * lra-assigns.c
8804         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8805         for little endian pseudos used as paradoxical subreg.
8806
8807 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8808
8809         PR tree-optimization/88693
8810         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8811         for STRING_CSTs that don't contain any NUL characters in the first
8812         TREE_STRING_LENGTH bytes.
8813
8814 2019-01-11  Alan Modra  <amodra@gmail.com>
8815
8816         PR 88777
8817         PR 88614
8818         * genattrtab.c (min_fn): Don't translate values.
8819         (min_attr_value): Return INT_MAX when the value can't be calculated.
8820         Return minimum among any values that can be calculated.
8821         (max_attr_value): Adjust.
8822
8823 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8824
8825         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8826
8827 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8828
8829         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8830         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8831         (aarch64_return_call_with_max_clobbers): New function.
8832         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8833         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8834         argument.
8835         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8836         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8837         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8838         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8839         * cselib.c (cselib_process_insn): Add argument to
8840         targetm.hard_regno_call_part_clobbered call.
8841         * ira-conflicts.c (ira_build_conflicts): Ditto.
8842         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8843         * lra-constraints.c (inherit_reload_reg): Ditto.
8844         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8845         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8846         argument.  Call targetm.return_call_with_max_clobbers.
8847         Add argument to targetm.hard_regno_call_part_clobbered call.
8848         (calls_have_same_clobbers_p): New function.
8849         (process_bb_lives): Add call_insn and last_call_insn variables.
8850         Pass call_insn to check_pseudos_live_through_calls.
8851         Modify if stmt to check targetm.return_call_with_max_clobbers.
8852         Update setting of flush variable.
8853         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8854         to false.
8855         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8856         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8857         targetm.hard_regno_call_part_clobbered call.
8858         * reginfo.c (choose_hard_reg_mode): Ditto.
8859         * regrename.c (check_new_reg_p): Ditto.
8860         * reload.c (find_equiv_reg): Ditto.
8861         * reload1.c (emit_reload_insns): Ditto.
8862         * sched-deps.c (deps_analyze_insn): Ditto.
8863         * sel-sched.c (init_regs_for_mode): Ditto.
8864         (mark_unavailable_hard_regs): Ditto.
8865         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8866         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8867         (return_call_with_max_clobbers): New target function.
8868         * doc/tm.texi: Regenerate.
8869         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8870         * hooks.c (hook_bool_uint_mode_false): Change to
8871         hook_bool_insn_uint_mode_false.
8872         * hooks.h (hook_bool_uint_mode_false): Ditto.
8873
8874 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8875
8876         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8877         (aarch64_remove_extra_call_preserved_regs): New function.
8878         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8879         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8880         * doc/tm.texi: Regenerate.
8881         * final.c (get_call_reg_set_usage): Call new hook.
8882         * target.def (remove_extra_call_preserved_regs): New hook.
8883         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8884         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8885
8886 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8887
8888         PR bootstrap/88714
8889         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8890         inside of pass_combine_1 dump rather than pass_profile_1.
8891
8892 2019-01-11  Tom de Vries  <tdevries@suse.de>
8893
8894         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8895         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8896         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8897         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8898         num_workers 16.
8899
8900 2019-01-11  Tom de Vries  <tdevries@suse.de>
8901
8902         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8903
8904 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8905
8906         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8907         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8908         sse2_cvtsi2sd): Add {l}.
8909         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8910         syntax.
8911
8912 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8913
8914         PR target/88785
8915         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8916         define_expand.
8917         (*float<floatunssuffix>v2div2sf2): New define_insn.
8918         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8919         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8920         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8921         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8922         match_operands with "const0_operand" "C".
8923
8924 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8925
8926         * config/aarch64/aarch64-builtins.c
8927         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8928         (aarch64_init_simd_builtins): ...Here
8929
8930 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8931
8932         PR rtl-optimization/87305
8933         * lra-assigns.c
8934         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8935         allocation for big endian pseudos used as paradoxical subregs and
8936         spill them if it is wrong.
8937         * lra-constraints.c (lra_constraints): Add a comment.
8938
8939 2019-01-10  Richard Biener  <rguenther@suse.de>
8940
8941         PR tree-optimization/88792
8942         * tree-ssa-pre.c (get_representative_for): Do not return a
8943         value-number here.
8944
8945 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8946
8947         PR middle-end/84877
8948         PR bootstrap/88450
8949         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8950         (assign_parm_setup_block): Do the argument slot realignment here
8951         instead.
8952
8953 2019-01-10  Stefan Agner  <stefan@agner.ch>
8954
8955         PR target/88648
8956         * config/arm/arm.c (arm_option_override_internal): Force
8957         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8958
8959 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8960
8961         PR c/88568
8962         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8963         DECL_EXTERNAL.
8964
8965 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8966
8967         * config/arm/arm-builtins.c
8968         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8969         (MAC_LANE_PAIR_QUALIFIERS): New.
8970         (arm_expand_builtin_args): Use it.
8971         (arm_expand_builtin_1): Likewise.
8972         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8973         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8974         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8975         * config/arm/arm_neon.h:
8976         (vcadd_rot90_f16): New.
8977         (vcaddq_rot90_f16): New.
8978         (vcadd_rot270_f16): New.
8979         (vcaddq_rot270_f16): New.
8980         (vcmla_f16): New.
8981         (vcmlaq_f16): New.
8982         (vcmla_lane_f16): New.
8983         (vcmla_laneq_f16): New.
8984         (vcmlaq_lane_f16): New.
8985         (vcmlaq_laneq_f16): New.
8986         (vcmla_rot90_f16): New.
8987         (vcmlaq_rot90_f16): New.
8988         (vcmla_rot90_lane_f16): New.
8989         (vcmla_rot90_laneq_f16): New.
8990         (vcmlaq_rot90_lane_f16): New.
8991         (vcmlaq_rot90_laneq_f16): New.
8992         (vcmla_rot180_f16): New.
8993         (vcmlaq_rot180_f16): New.
8994         (vcmla_rot180_lane_f16): New.
8995         (vcmla_rot180_laneq_f16): New.
8996         (vcmlaq_rot180_lane_f16): New.
8997         (vcmlaq_rot180_laneq_f16): New.
8998         (vcmla_rot270_f16): New.
8999         (vcmlaq_rot270_f16): New.
9000         (vcmla_rot270_lane_f16): New.
9001         (vcmla_rot270_laneq_f16): New.
9002         (vcmlaq_rot270_lane_f16): New.
9003         (vcmlaq_rot270_laneq_f16): New.
9004         (vcadd_rot90_f32): New.
9005         (vcaddq_rot90_f32): New.
9006         (vcadd_rot270_f32): New.
9007         (vcaddq_rot270_f32): New.
9008         (vcmla_f32): New.
9009         (vcmlaq_f32): New.
9010         (vcmla_lane_f32): New.
9011         (vcmla_laneq_f32): New.
9012         (vcmlaq_lane_f32): New.
9013         (vcmlaq_laneq_f32): New.
9014         (vcmla_rot90_f32): New.
9015         (vcmlaq_rot90_f32): New.
9016         (vcmla_rot90_lane_f32): New.
9017         (vcmla_rot90_laneq_f32): New.
9018         (vcmlaq_rot90_lane_f32): New.
9019         (vcmlaq_rot90_laneq_f32): New.
9020         (vcmla_rot180_f32): New.
9021         (vcmlaq_rot180_f32): New.
9022         (vcmla_rot180_lane_f32): New.
9023         (vcmla_rot180_laneq_f32): New.
9024         (vcmlaq_rot180_lane_f32): New.
9025         (vcmlaq_rot180_laneq_f32): New.
9026         (vcmla_rot270_f32): New.
9027         (vcmlaq_rot270_f32): New.
9028         (vcmla_rot270_lane_f32): New.
9029         (vcmla_rot270_laneq_f32): New.
9030         (vcmlaq_rot270_lane_f32): New.
9031         (vcmlaq_rot270_laneq_f32): New.
9032         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9033         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9034         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9035         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9036         vcmlaq_lane270): New.
9037         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9038         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9039         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9040         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9041         (arm_option_reconfigure_globals): Use them.
9042         * config/arm/iterators.md (VDF, VQ_HSF): New.
9043         (VCADD, VCMLA): New.
9044         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9045         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9046         New.
9047         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9048         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9049
9050 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9051
9052         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9053         Add qualifier_lane_pair_index.
9054         (emit-rtl.h): Include.
9055         (TYPES_QUADOP_LANE_PAIR): New.
9056         (aarch64_simd_expand_args): Use it.
9057         (aarch64_simd_expand_builtin): Likewise.
9058         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9059         New.
9060         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9061         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9062         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9063         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9064         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9065         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9066         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9067         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9068         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9069         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9070         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9071         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9072         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9073         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9074         Add __ARM_FEATURE_COMPLEX.
9075         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9076         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9077         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9078         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9079         fcmlaq_lane270): New.
9080         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9081         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9082         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9083         * config/aarch64/arm_neon.h:
9084         (vcadd_rot90_f16): New.
9085         (vcaddq_rot90_f16): New.
9086         (vcadd_rot270_f16): New.
9087         (vcaddq_rot270_f16): New.
9088         (vcmla_f16): New.
9089         (vcmlaq_f16): New.
9090         (vcmla_lane_f16): New.
9091         (vcmla_laneq_f16): New.
9092         (vcmlaq_lane_f16): New.
9093         (vcmlaq_rot90_lane_f16): New.
9094         (vcmla_rot90_laneq_f16): New.
9095         (vcmla_rot90_lane_f16): New.
9096         (vcmlaq_rot90_f16): New.
9097         (vcmla_rot90_f16): New.
9098         (vcmlaq_laneq_f16): New.
9099         (vcmla_rot180_laneq_f16): New.
9100         (vcmla_rot180_lane_f16): New.
9101         (vcmlaq_rot180_f16): New.
9102         (vcmla_rot180_f16): New.
9103         (vcmlaq_rot90_laneq_f16): New.
9104         (vcmlaq_rot270_laneq_f16): New.
9105         (vcmlaq_rot270_lane_f16): New.
9106         (vcmla_rot270_laneq_f16): New.
9107         (vcmlaq_rot270_f16): New.
9108         (vcmla_rot270_f16): New.
9109         (vcmlaq_rot180_laneq_f16): New.
9110         (vcmlaq_rot180_lane_f16): New.
9111         (vcmla_rot270_lane_f16): New.
9112         (vcadd_rot90_f32): New.
9113         (vcaddq_rot90_f32): New.
9114         (vcaddq_rot90_f64): New.
9115         (vcadd_rot270_f32): New.
9116         (vcaddq_rot270_f32): New.
9117         (vcaddq_rot270_f64): New.
9118         (vcmla_f32): New.
9119         (vcmlaq_f32): New.
9120         (vcmlaq_f64): New.
9121         (vcmla_lane_f32): New.
9122         (vcmla_laneq_f32): New.
9123         (vcmlaq_lane_f32): New.
9124         (vcmlaq_laneq_f32): New.
9125         (vcmla_rot90_f32): New.
9126         (vcmlaq_rot90_f32): New.
9127         (vcmlaq_rot90_f64): New.
9128         (vcmla_rot90_lane_f32): New.
9129         (vcmla_rot90_laneq_f32): New.
9130         (vcmlaq_rot90_lane_f32): New.
9131         (vcmlaq_rot90_laneq_f32): New.
9132         (vcmla_rot180_f32): New.
9133         (vcmlaq_rot180_f32): New.
9134         (vcmlaq_rot180_f64): New.
9135         (vcmla_rot180_lane_f32): New.
9136         (vcmla_rot180_laneq_f32): New.
9137         (vcmlaq_rot180_lane_f32): New.
9138         (vcmlaq_rot180_laneq_f32): New.
9139         (vcmla_rot270_f32): New.
9140         (vcmlaq_rot270_f32): New.
9141         (vcmlaq_rot270_f64): New.
9142         (vcmla_rot270_lane_f32): New.
9143         (vcmla_rot270_laneq_f32): New.
9144         (vcmlaq_rot270_lane_f32): New.
9145         (vcmlaq_rot270_laneq_f32): New.
9146         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9147         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9148         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9149         (FCADD, FCMLA): New.
9150         (rot): New.
9151         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9152
9153 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9154
9155         PR other/16615
9156
9157         * config/pa/pa.c: Change "can not" to "cannot".
9158         * gimple-ssa-evrp-analyze.c: Likewise.
9159         * ipa-icf.c: Likewise.
9160         * ipa-polymorphic-call.c: Likewise.
9161         * ipa-pure-const.c: Likewise.
9162         * lra-constraints.c: Likewise.
9163         * lra-remat.c: Likewise.
9164         * reload1.c: Likewise.
9165         * reorg.c: Likewise.
9166         * tree-ssa-uninit.c: Likewise.
9167
9168 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9169
9170         PR other/16615
9171
9172         * Makefile.in: Mechanically replace "can not" with "cannot".
9173         * alias.c: Likewise.
9174         * builtins.c: Likewise.
9175         * calls.c: Likewise.
9176         * cgraph.c: Likewise.
9177         * cgraph.h: Likewise.
9178         * cgraphclones.c: Likewise.
9179         * cgraphunit.c: Likewise.
9180         * combine-stack-adj.c: Likewise.
9181         * combine.c: Likewise.
9182         * common/config/i386/i386-common.c: Likewise.
9183         * config/aarch64/aarch64.c: Likewise.
9184         * config/alpha/sync.md: Likewise.
9185         * config/arc/arc.c: Likewise.
9186         * config/arc/predicates.md: Likewise.
9187         * config/arm/arm-c.c: Likewise.
9188         * config/arm/arm.c: Likewise.
9189         * config/arm/arm.h: Likewise.
9190         * config/arm/arm.md: Likewise.
9191         * config/arm/cortex-r4f.md: Likewise.
9192         * config/csky/csky.c: Likewise.
9193         * config/csky/csky.h: Likewise.
9194         * config/darwin-f.c: Likewise.
9195         * config/epiphany/epiphany.md: Likewise.
9196         * config/i386/i386.c: Likewise.
9197         * config/i386/sol2.h: Likewise.
9198         * config/m68k/m68k.c: Likewise.
9199         * config/mcore/mcore.h: Likewise.
9200         * config/microblaze/microblaze.md: Likewise.
9201         * config/mips/20kc.md: Likewise.
9202         * config/mips/sb1.md: Likewise.
9203         * config/nds32/nds32.c: Likewise.
9204         * config/nds32/predicates.md: Likewise.
9205         * config/pa/pa.c: Likewise.
9206         * config/rs6000/e300c2c3.md: Likewise.
9207         * config/rs6000/rs6000.c: Likewise.
9208         * config/s390/s390.h: Likewise.
9209         * config/sh/sh.c: Likewise.
9210         * config/sh/sh.md: Likewise.
9211         * config/spu/vmx2spu.h: Likewise.
9212         * cprop.c: Likewise.
9213         * dbxout.c: Likewise.
9214         * df-scan.c: Likewise.
9215         * doc/cfg.texi: Likewise.
9216         * doc/extend.texi: Likewise.
9217         * doc/fragments.texi: Likewise.
9218         * doc/gty.texi: Likewise.
9219         * doc/invoke.texi: Likewise.
9220         * doc/lto.texi: Likewise.
9221         * doc/md.texi: Likewise.
9222         * doc/objc.texi: Likewise.
9223         * doc/rtl.texi: Likewise.
9224         * doc/tm.texi: Likewise.
9225         * dse.c: Likewise.
9226         * emit-rtl.c: Likewise.
9227         * emit-rtl.h: Likewise.
9228         * except.c: Likewise.
9229         * expmed.c: Likewise.
9230         * expr.c: Likewise.
9231         * fold-const.c: Likewise.
9232         * genautomata.c: Likewise.
9233         * gimple-fold.c: Likewise.
9234         * hard-reg-set.h: Likewise.
9235         * ifcvt.c: Likewise.
9236         * ipa-comdats.c: Likewise.
9237         * ipa-cp.c: Likewise.
9238         * ipa-devirt.c: Likewise.
9239         * ipa-fnsummary.c: Likewise.
9240         * ipa-icf.c: Likewise.
9241         * ipa-inline-transform.c: Likewise.
9242         * ipa-inline.c: Likewise.
9243         * ipa-polymorphic-call.c: Likewise.
9244         * ipa-profile.c: Likewise.
9245         * ipa-prop.c: Likewise.
9246         * ipa-pure-const.c: Likewise.
9247         * ipa-reference.c: Likewise.
9248         * ipa-split.c: Likewise.
9249         * ipa-visibility.c: Likewise.
9250         * ipa.c: Likewise.
9251         * ira-build.c: Likewise.
9252         * ira-color.c: Likewise.
9253         * ira-conflicts.c: Likewise.
9254         * ira-costs.c: Likewise.
9255         * ira-int.h: Likewise.
9256         * ira-lives.c: Likewise.
9257         * ira.c: Likewise.
9258         * ira.h: Likewise.
9259         * loop-invariant.c: Likewise.
9260         * loop-unroll.c: Likewise.
9261         * lower-subreg.c: Likewise.
9262         * lra-assigns.c: Likewise.
9263         * lra-constraints.c: Likewise.
9264         * lra-eliminations.c: Likewise.
9265         * lra-lives.c: Likewise.
9266         * lra-remat.c: Likewise.
9267         * lra-spills.c: Likewise.
9268         * lra.c: Likewise.
9269         * lto-cgraph.c: Likewise.
9270         * lto-streamer-out.c: Likewise.
9271         * postreload-gcse.c: Likewise.
9272         * predict.c: Likewise.
9273         * profile-count.h: Likewise.
9274         * profile.c: Likewise.
9275         * recog.c: Likewise.
9276         * ree.c: Likewise.
9277         * reload.c: Likewise.
9278         * reload1.c: Likewise.
9279         * reorg.c: Likewise.
9280         * resource.c: Likewise.
9281         * rtl.def: Likewise.
9282         * rtl.h: Likewise.
9283         * rtlanal.c: Likewise.
9284         * sched-deps.c: Likewise.
9285         * sched-ebb.c: Likewise.
9286         * sched-rgn.c: Likewise.
9287         * sel-sched-ir.c: Likewise.
9288         * sel-sched.c: Likewise.
9289         * shrink-wrap.c: Likewise.
9290         * simplify-rtx.c: Likewise.
9291         * symtab.c: Likewise.
9292         * target.def: Likewise.
9293         * toplev.c: Likewise.
9294         * tree-call-cdce.c: Likewise.
9295         * tree-cfg.c: Likewise.
9296         * tree-complex.c: Likewise.
9297         * tree-core.h: Likewise.
9298         * tree-eh.c: Likewise.
9299         * tree-inline.c: Likewise.
9300         * tree-loop-distribution.c: Likewise.
9301         * tree-nrv.c: Likewise.
9302         * tree-profile.c: Likewise.
9303         * tree-sra.c: Likewise.
9304         * tree-ssa-alias.c: Likewise.
9305         * tree-ssa-dce.c: Likewise.
9306         * tree-ssa-dom.c: Likewise.
9307         * tree-ssa-forwprop.c: Likewise.
9308         * tree-ssa-loop-im.c: Likewise.
9309         * tree-ssa-loop-ivcanon.c: Likewise.
9310         * tree-ssa-loop-ivopts.c: Likewise.
9311         * tree-ssa-loop-niter.c: Likewise.
9312         * tree-ssa-phionlycprop.c: Likewise.
9313         * tree-ssa-phiopt.c: Likewise.
9314         * tree-ssa-propagate.c: Likewise.
9315         * tree-ssa-threadedge.c: Likewise.
9316         * tree-ssa-threadupdate.c: Likewise.
9317         * tree-ssa-uninit.c: Likewise.
9318         * tree-ssanames.c: Likewise.
9319         * tree-streamer-out.c: Likewise.
9320         * tree.c: Likewise.
9321         * tree.h: Likewise.
9322         * vr-values.c: Likewise.
9323
9324 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9325
9326         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9327         (ix86_split_xorsign): Ditto.
9328         * config/i386/i386.c (ix86_expand_xorsign): New function.
9329         (ix86_split_xorsign): Ditto.
9330         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9331         (xorsign<mode>3): New expander.
9332         (xorsign<mode>3_1): New insn_and_split pattern.
9333         * config/i386/sse.md (xorsign<mode>3): New expander.
9334
9335 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9336
9337         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9338         (*tablejump_sp64): Likewise.
9339         (*tablejump<P:mode>): ...this.
9340         (*call_address_sp32): Merge into...
9341         (*call_address_sp64): Likewise.
9342         (*call_address<P:mode>): ...this.
9343         (*call_symbolic_sp32): Merge into...
9344         (*call_symbolic_sp64): Likewise.
9345         (*call_symbolic<P:mode>): ...this.
9346         (call_value): Remove constraint and add predicate.
9347         (*call_value_address_sp32): Merge into...
9348         (*call_value_address_sp64): Likewise.
9349         (*call_value_address<P:mode>): ...this.
9350         (*call_value_symbolic_sp32): Merge into...
9351         (*call_value_symbolic_sp64): Likewise.
9352         (*call_value_symbolic<P:mode>): ...this.
9353         (*sibcall_symbolic_sp32): Merge into...
9354         (*sibcall_symbolic_sp64): Likewise.
9355         (*sibcall_symbolic<P:mode>): ...this.
9356         (sibcall_value): Remove constraint and add predicate.
9357         (*sibcall_value_symbolic_sp32): Merge into...
9358         (*sibcall_value_symbolic_sp64): Likewise.
9359         (*sibcall_value_symbolic<P:mode>): ...this.
9360         (window_save): Minor tweak.
9361         (*branch_sp32): Merge into...
9362         (*branch_sp64): Likewise.
9363         (*branch<P:mode>): ...this.
9364
9365 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9366             James Clarke  <jrtc27@jrtc27.com>
9367
9368         PR target/84010
9369         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9370         consistently in TLS address generation and adjust code to the renaming
9371         of patterns.  Mark calls to __tls_get_addr as const.
9372         * config/sparc/sparc.md (tgd_hi22): Turn into...
9373         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9374         (tgd_lo10): Turn into...
9375         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9376         (tgd_add32): Merge into...
9377         (tgd_add64): Likewise.
9378         (tgd_add<P:mode>): ...this and use Pmode throughout.
9379         (tldm_hi22): Turn into...
9380         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9381         (tldm_lo10): Turn into...
9382         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9383         (tldm_add32): Merge into...
9384         (tldm_add64): Likewise.
9385         (tldm_add<P:mode>): ...this and use Pmode throughout.
9386         (tldm_call32): Merge into...
9387         (tldm_call64): Likewise.
9388         (tldm_call<P:mode>): ...this and use Pmode throughout.
9389         (tldo_hix22): Turn into...
9390         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9391         (tldo_lox10): Turn into...
9392         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9393         (tldo_add32): Merge into...
9394         (tldo_add64): Likewise.
9395         (tldo_add<P:mode>): ...this and use Pmode throughout.
9396         (tie_hi22): Turn into...
9397         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9398         (tie_lo10): Turn into...
9399         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9400         (tie_ld64): Use DImode throughout.
9401         (tie_add32): Merge into...
9402         (tie_add64): Likewise.
9403         (tie_add<P:mode>): ...this and use Pmode throughout.
9404         (tle_hix22_sp32): Merge into...
9405         (tle_hix22_sp64): Likewise.
9406         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9407         (tle_lox22_sp32): Merge into...
9408         (tle_lox22_sp64): Likewise.
9409         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9410         (*tldo_ldub_sp32): Merge into...
9411         (*tldo_ldub_sp64): Likewise.
9412         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9413         (*tldo_ldub1_sp32): Merge into...
9414         (*tldo_ldub1_sp64): Likewise.
9415         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9416         (*tldo_ldub2_sp32): Merge into...
9417         (*tldo_ldub2_sp64): Likewise.
9418         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9419         (*tldo_ldsb1_sp32): Merge into...
9420         (*tldo_ldsb1_sp64): Likewise.
9421         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9422         (*tldo_ldsb2_sp32): Merge into...
9423         (*tldo_ldsb2_sp64): Likewise.
9424         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9425         (*tldo_ldub3_sp64): Use DImode throughout.
9426         (*tldo_ldsb3_sp64): Likewise.
9427         (*tldo_lduh_sp32): Merge into...
9428         (*tldo_lduh_sp64): Likewise.
9429         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9430         (*tldo_lduh1_sp32): Merge into...
9431         (*tldo_lduh1_sp64): Likewise.
9432         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9433         (*tldo_ldsh1_sp32): Merge into...
9434         (*tldo_ldsh1_sp64): Likewise.
9435         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9436         (*tldo_lduh2_sp64): Use DImode throughout.
9437         (*tldo_ldsh2_sp64): Likewise.
9438         (*tldo_lduw_sp32): Merge into...
9439         (*tldo_lduw_sp64): Likewise.
9440         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9441         (*tldo_lduw1_sp64): Use DImode throughout.
9442         (*tldo_ldsw1_sp64): Likewise.
9443         (*tldo_ldx_sp64): Likewise.
9444         (*tldo_stb_sp32): Merge into...
9445         (*tldo_stb_sp64): Likewise.
9446         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9447         (*tldo_sth_sp32): Merge into...
9448         (*tldo_sth_sp64): Likewise.
9449         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9450         (*tldo_stw_sp32): Merge into...
9451         (*tldo_stw_sp64): Likewise.
9452         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9453         (*tldo_stx_sp64): Use DImode throughout.
9454
9455 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9456
9457         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9458         check configure option to set BTI and Return Address Signing.
9459         * configure.ac: Add --enable-standard-branch-protection and
9460         --disable-standard-branch-protection.
9461         * configure: Regenerated.
9462         * doc/install.texi: Document the same.
9463
9464 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9465             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9466
9467         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9468         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9469         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9470         if bti is enabled.
9471         * config/aarch64/aarch64-bti-insert.c: New file.
9472         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9473         pass.
9474         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9475         new bti pass.
9476         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9477         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9478         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9479         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9480
9481 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9482
9483         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9484         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9485         Disable bti for -mbranch-protection=none.
9486         (aarch64_handle_standard_branch_protection): Enable bti for
9487         -mbranch-protection=standard.
9488         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9489         -mbranch-protection.
9490         (aarch64_bti_enabled): Check if bti is enabled.
9491         * config/aarch64/aarch64.opt: Declare target variable.
9492         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9493
9494 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9495
9496         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9497         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9498         (aarch64_expand_epilogue): Likewise.
9499         (aarch64_output_mi_thunk): Likewise
9500         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9501         TAILCALL_ADDR_REGS to x16 and x17.
9502         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9503
9504 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9505
9506         * config/aarch64/aarch64-option-extensions.def: Define
9507         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9508         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9509         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9510         (AARCH64_FL_PREDRES): New.
9511         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9512         AARCH64_FL_PREDRES by default.
9513         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9514
9515 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9516
9517         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9518         ARMv8.5-A.
9519         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9520         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9521         * doc/invoke.texi: Document ARMv8.5-A.
9522
9523 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9524
9525         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9526         (xorsign<mode>3): Likewise.
9527
9528 2019-01-09  Jelinek  <jakub@redhat.com>
9529
9530         PR middle-end/88758
9531         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9532         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9533
9534         PR rtl-optimization/88331
9535         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9536         not currently_expanding_to_rtl.
9537
9538 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9539
9540         * doc/invoke.texi (-Os): Remove trailing spaces.
9541         (-finline-functions): Remove reference to -O2.
9542
9543 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9544
9545         PR rtl-optimization/79593
9546         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9547
9548         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9549         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9550
9551 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9552
9553         PR bootstrap/88721
9554         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9555         to -1 on entry.
9556
9557         PR debug/88723
9558         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9559         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9560
9561 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9562
9563         PR target/88717
9564         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9565         ix86_avx_u128_mode_entry.
9566
9567 2019-01-08  Martin Liska  <mliska@suse.cz>
9568
9569         PR tree-optimization/88753
9570         * tree-switch-conversion.c (switch_conversion::build_one_array):
9571         Come up with local variable constructor.  Convert first to
9572         type of constructor values.
9573
9574 2019-01-08  Richard Biener  <rguenther@suse.de>
9575
9576         PR tree-optimization/86554
9577         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9578         rpo_avail): Move earlier.
9579         (visit_nary_op): When value-numbering to expressions
9580         with different overflow behavior make sure there's an
9581         available expression on the path.
9582
9583 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9584
9585         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9586         aarch64_parse_branch_protection,
9587         struct aarch64_branch_protect_type,
9588         aarch64_handle_no_branch_protection,
9589         aarch64_handle_standard_branch_protection,
9590         aarch64_validate_mbranch_protection,
9591         aarch64_handle_pac_ret_protection,
9592         aarch64_handle_attr_branch_protection,
9593         accepted_branch_protection_string,
9594         aarch64_pac_ret_subtypes,
9595         aarch64_branch_protect_types,
9596         aarch64_handle_pac_ret_leaf): Define.
9597         (aarch64_override_options_after_change_1, aarch64_override_options):
9598         Add check for accepted_branch_protection_string.
9599         (aarch64_option_save): Save accepted_branch_protection_string.
9600         (aarch64_option_restore): Save accepted_branch_protection_string.
9601         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9602         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9603         msign-return-address.
9604         * doc/invoke.texi: Add mbranch-protection.
9605
9606 2019-01-08  Alan Modra  <amodra@gmail.com>
9607
9608         PR target/88614
9609         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9610         Delete "unknownp" parameter.  Adjust callers.  Handle
9611         CONST_INT, PLUS, MINUS, and MULT.
9612         (attr_value_aligned): Renamed from or_attr_value.
9613         (min_attr_value): Return INT_MIN for unhandled rtl case..
9614         (min_fn): ..and translate to INT_MAX here.
9615         (write_length_unit_log): Modify to cope without "unknown".
9616         (write_attr_value): Handle IF_THEN_ELSE.
9617
9618 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9619
9620         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9621         optimization for masked stores.
9622
9623 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9624
9625         PR middle-end/88567
9626         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9627         output vector directly to duplicate_and_interleave instead of
9628         going through a temporary.  Postpone insertion of ctor_seq to
9629         the end of the loop.
9630
9631 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9632
9633         PR target/86891
9634         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9635         unsigned_p.  Handle signed and unsigned overflow correction as
9636         required.
9637         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9638         prototype.
9639         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9640         for operand 2.
9641         (add<mode>3_compareV_imm): Make this callable for expanding.
9642         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9643         aarch64_plus_operand for operand 2.
9644         (subv<GPI:mode>_insn): New insn pattern.
9645         (subv<GPI:mode>_imm): Likewise.
9646         (negv<GPI:mode>3): New expand pattern.
9647         (negv<GPI:mode>_insn): New insn pattern.
9648         (negv<GPI:mode>_cmp_only): Likewise.
9649         (cmpv<GPI:mode>_insn): Likewise.
9650         (subvti4): Use register_operand for operand 1.  Update call to
9651         aarch64_expand_subvti.
9652         (usubvti4): Likewise.
9653         (negvti3): New expand pattern.
9654         (negdi_carryout): New insn pattern.
9655         (negvdi_carryinV): New insn pattern.
9656         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9657         version the named version.
9658         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9659         operands.
9660         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9661         patterns.
9662         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9663         patterns.
9664         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9665         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9666         (sub<mode>3_carryinCV): Delete.
9667         (sub<GPI:mode>3_carryinV): New expand pattern.
9668         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9669
9670 2019-01-07  Richard Biener  <rguenther@suse.de>
9671
9672         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9673         of tree_operand_hash.
9674
9675 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9676
9677         PR tree-optimization/88598
9678         * tree.h (single_nonzero_element): Declare.
9679         * tree.c (single_nonzero_element): New function.
9680         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9681         if I is the only nonzero element of CST.
9682
9683 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9684
9685         PR tree-optimization/88598
9686         * tree.h (initializer_each_zero_or_onep): Declare.
9687         * tree.c (initializer_each_zero_or_onep): New function.
9688         (signed_or_unsigned_type_for): Handle float types too.
9689         (unsigned_type_for, signed_type_for): Update comments accordingly.
9690         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9691         x & { 0 or -1, 0 or -1, ... }.
9692
9693 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9694
9695         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9696         with x86_64-pc-linux-gnu.
9697
9698 2019-01-07  Tom de Vries  <tdevries@suse.de>
9699
9700         PR target/85486
9701         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9702         function.
9703         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9704         routines.
9705
9706 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9707
9708         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9709         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9710         TARGET_AVX512F as condition.
9711
9712         PR debug/88723
9713         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9714         const_not_ok_for_debug_p target hook.
9715         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9716         on UNSPEC and subexpressions thereof if all subexpressions of the
9717         UNSPEC are CONSTANT_P.
9718
9719         PR tree-optimization/88676
9720         * tree-ssa-phiopt.c (two_value_replacement): New function.
9721         (tree_ssa_phiopt_worker): Call it.
9722
9723         PR sanitizer/88619
9724         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9725         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9726
9727         PR c++/85052
9728         * tree-vect-generic.c: Include insn-config.h and recog.h.
9729         (expand_vector_piecewise): Add defaulted ret_type argument,
9730         if non-NULL, use that in preference to type for the result type.
9731         (expand_vector_parallel): Formatting fix.
9732         (do_vec_conversion, do_vec_narrowing_conversion,
9733         expand_vector_conversion): New functions.
9734         (expand_vector_operations_1): Call expand_vector_conversion
9735         for VEC_CONVERT ifn calls.
9736         * internal-fn.def (VEC_CONVERT): New internal function.
9737         * internal-fn.c (expand_VEC_CONVERT): New function.
9738         * fold-const-call.c (fold_const_vec_convert): New function.
9739         (fold_const_call): Use it for CFN_VEC_CONVERT.
9740         * doc/extend.texi (__builtin_convertvector): Document.
9741
9742 2019-01-07  Tom de Vries  <tdevries@suse.de>
9743
9744         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9745         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9746         vector_red_partition, vector_red_sym): New global variables.
9747         (nvptx_option_override): Initialize vector_red_sym.
9748         (nvptx_declare_function_name): Restore red_partition register.
9749         (nvptx_file_end): Emit code to declare the vector reduction variables.
9750         (nvptx_output_red_partition): New function.
9751         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9752         large vector reductions.
9753         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9754         (nvptx_init_builtins): Add VECTOR_ADDR.
9755         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9756         Handle nvptx_expand_shared_addr.
9757         (nvptx_get_shared_red_addr): Add vector argument and handle large
9758         vectors.
9759         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9760         large vectors.
9761         (nvptx_goacc_reduction_init): Likewise.
9762         (nvptx_goacc_reduction_fini): Likewise.
9763         (nvptx_goacc_reduction_teardown): Likewise.
9764         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9765         init,fini,teardown}.
9766         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9767         (nvptx_set_current_function): Init vector_red_partition.
9768         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9769         (nvptx_red_partition): New insn.
9770         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9771
9772 2019-01-07  Tom de Vries  <tdevries@suse.de>
9773
9774         PR target/85381
9775         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9776         empty loops.
9777
9778 2019-01-07  Tom de Vries  <tdevries@suse.de>
9779
9780         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9781         (nvptx_option_override): Init oacc_bcast_partition.
9782         (nvptx_init_oacc_workers): New function.
9783         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9784         (nvptx_needs_shared_bcast): New function.
9785         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9786         to propagate state.
9787         (nvptx_shared_propagate): Initialize vector bcast partition and
9788         synchronization state.
9789         (nvptx_single):  Generalize to enable vectors to use shared-memory
9790         to propagate state.
9791         (nvptx_process_pars): Likewise.
9792         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9793         * config/nvptx/nvptx.h (struct machine_function): Add
9794         bcast_partition and sync_bar members.
9795
9796 2019-01-07  Tom de Vries  <tdevries@suse.de>
9797
9798         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9799         (nvptx_apply_dim_limits): New function.
9800         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9801         PTX_WARP_SIZE.
9802
9803 2019-01-07  Tom de Vries  <tdevries@suse.de>
9804
9805         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9806         as late as possible.
9807
9808 2019-01-07  Tom de Vries  <tdevries@suse.de>
9809
9810         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9811         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9812         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9813         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9814         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9815
9816 2019-01-07  Tom de Vries  <tdevries@suse.de>
9817
9818         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9819
9820 2019-01-07  Tom de Vries  <tdevries@suse.de>
9821
9822         * omp-offload.c (oacc_get_min_dim): New function.
9823         * omp-offload.h (oacc_get_min_dim): Declare.
9824
9825 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9826
9827         PR target/88521
9828         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9829         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9830
9831 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9832
9833         PR tree-opt/86020
9834         Revert:
9835         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9836
9837         * ipa-inline.c (edge_badness): Use inlined_time instead of
9838         inline_summaries->get.
9839
9840 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9841
9842         * opts.c (enable_fdo_optimizations): Enable
9843         version-loops-for-strides, loop-interchange, unrol-and-jam
9844         and tree-loop-distribution.
9845         * invoke.texi: Document newly enabled options.
9846
9847 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9848
9849         * doc/invoke.texi (max-inline-insns-small): New parameters.
9850         * ipa-inline.c (want_early_inline_function_p): simplify.
9851         (want_inline_small_function_p): Fix pasto from previous patch;
9852         use max-inline-insns-small bound.
9853         * params.def (max-inline-insns-small): New param.
9854         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9855         variables correctly.
9856
9857 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9858
9859         * doc/invoke.texi: Document max-inline-insns-size,
9860         uninlined-function-insns, uninlined-function-time,
9861         uninlined-thunk-insns and uninlined-thunk-time.
9862         * params.def: Add max-inline-insns-size,
9863         uninlined-function-insns, uninlined-function-time,
9864         uninlined-thunk-insns and uninlined-thunk-time.
9865         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9866         new parameters.
9867         * ipa-inline.c (can_inline_edge_by_limits_p,
9868         want_inline_small_function_p): Use new parameters.
9869
9870 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9871
9872         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9873
9874 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9875
9876         PR middle-end/82564
9877         PR target/88620
9878         * expr.c (expand_assignment): For calls returning VLA structures
9879         if to_rtx is not a MEM, force it into a stack temporary.
9880
9881         PR debug/88635
9882         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9883         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9884         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9885         subexpressions of both operands.
9886         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9887         subrtxes are CONSTANT_P.
9888         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9889         2018-11-09 changes.
9890
9891 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9892
9893         * params.def (hot-bb-count-ws-permille): Set to 990.
9894
9895 2019-01-04  Martin Sebor  <msebor@redhat.com>
9896
9897         PR c/88546
9898         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9899         leaf.
9900
9901 2019-01-04  Martin Sebor  <msebor@redhat.com>
9902
9903         PR c/88363
9904         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9905
9906 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9907
9908         * gdbinit.in: Turn off pagination for the skip commands, restore
9909         it to previous state afterwards.
9910
9911 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9912
9913         PR target/88594
9914         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9915         of GET_MODE (opN) as modes of the libcall arguments.
9916
9917 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9918
9919         * config/i386/sse.md
9920         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9921         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9922         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9923         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9924         avx512f_vmcmp<mode>3<round_saeonly_name>,
9925         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9926         avx512f_maskcmp<mode>3,
9927         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9928         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9929         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9930         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9931         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9932         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9933         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9934         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9935         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9936         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9937         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9938         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9939         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9940         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9941         avx512cd_maskb_vec_dup<mode>,
9942         avx512cd_maskw_vec_dup<mode>,
9943         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9944         avx512dq_vmfpclass<mode>,
9945         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9946         instead of =Yk.
9947
9948 2019-01-03  Martin Sebor  <msebor@redhat.com>
9949
9950         PR tree-optimization/88659
9951         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9952
9953 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9954
9955         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9956         unaligned vsx and avoid lxvd2x/stxvd2x.
9957         (gen_lvx_v4si_move): New function.
9958
9959 2019-01-03  Tom de Vries  <tdevries@suse.de>
9960
9961         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9962         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9963         function.
9964         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9965
9966 2019-01-03  Tom de Vries  <tdevries@suse.de>
9967
9968         * config/nvptx/nvptx.c (struct offload_attrs): New.
9969         (populate_offload_attrs): New function.  Factor mask extraction out of
9970         nvptx_reorg.  Add extraction of dimensions.
9971         (nvptx_reorg): Use populate_offload_attrs.
9972
9973 2019-01-03  Tom de Vries  <tdevries@suse.de>
9974
9975         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9976         cases for oacc_min_dims_p and routine_p.  Add asserts for
9977         oacc_default_dims_p and offload_region_p.
9978
9979 2019-01-03  Tom de Vries  <tdevries@suse.de>
9980
9981         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9982         factored out of ...
9983         (nvptx_goacc_validate_dims): ... here.
9984
9985 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9986
9987         PR tree-optimization/85574
9988         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9989         structure.
9990         (struct ssa_equip_hash_traits): Declare.
9991         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9992
9993 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9994
9995         PR debug/88644
9996         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9997         change it to qualified_type.
9998
9999 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10000
10001         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10002         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10003
10004 2019-01-02  Martin Sebor  <msebor@redhat.com>
10005             Jeff Law  <law@redhat.com>
10006
10007         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10008         (get_range_strlen_tree): Update appropriately.
10009         (get_range_strlen)
10010         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10011
10012         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10013         rather than set_range_info.
10014         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10015         maybe_set_strlen_range.  Handle potentially boundary crossing
10016         cases more conservatively.
10017         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10018         Call set_strlen_range.
10019         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10020
10021         PR middle-end/88663
10022         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10023         need the flexp argument.
10024         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10025         from calls to get_range_strlen.  Update comments.  Just update
10026         VAL for an unterminated const char array and let the reset of the
10027         code handle it normally.  No longer try to set *flexp.  Adjust
10028         return value.
10029         (get_range_strlen): Update for the new get_range_strlen API.
10030         (get_maxval_strlen): Similarly.
10031         (gimple_fold_builtin_strlen): Handle update meaning of return value
10032         from get_range_strlen.
10033         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10034         get_range_strlen API.
10035
10036 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10037
10038         PR lto/88130
10039         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10040         false at WPA time when body was removed.
10041
10042 2019-01-02  Martin Liska  <mliska@suse.cz>
10043
10044         PR tree-optimization/88650
10045         * predict.c (set_even_probabilities): Calculate probability
10046         remainer only when really used.
10047
10048 2019-01-02  Richard Biener  <rguenther@suse.de>
10049
10050         PR middle-end/88651
10051         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10052         widest_ints when mangling max_stmt_execution results.
10053
10054 2019-01-02  Richard Biener  <rguenther@suse.de>
10055
10056         PR tree-optimization/88621
10057         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10058         bitfields when canoncalizing.
10059
10060 2019-01-02  Richard Biener  <rguenther@suse.de>
10061
10062         PR target/87545
10063         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10064         cost of cheap SSE instruction.
10065
10066 2019-01-02  Richard Biener  <rguenther@suse.de>
10067
10068         PR ipa/85574
10069         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10070         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10071         function.
10072         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10073         set after UIDs before splitting them.
10074
10075 2019-01-01  Martin Sebor  <msebor@redhat.com>
10076             Jeff Law  <law@redhat.com>
10077
10078         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10079         length is optimistic.  If it is, then arrange to compute the
10080         conservative length as well.
10081
10082         * gimple-fold.h (get_range_strlen): Update prototype.
10083         * builtins.c (check_access): Update call to get_range_strlen to use
10084         c_strlen_data pointer.   Change various variable accesses to instead
10085         pull data from the c_strlen_data structure.
10086         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10087         * calls.c (maybe_warn_nonstring_arg): Likewise.
10088         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10089         minimum length if maximum lengh is unknown.
10090         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10091         that used c_strlen, it's no longer needed.  Restructure slightly.
10092         (format_string): Set unlikely range appropriately.
10093         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10094         formatting issues.
10095         (get_range_strlen):  Accept c_strlen_data pointer for external
10096         call sites as well.  Pass through to call to internal get_range_strlen.
10097         Adjust minlen, maxlen and maxbound as needed.
10098         (get_maxval_strlen): Update comments.
10099         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10100         to use c_strlen_data pointer.  Change variable accesses to instead
10101         use c_strlen_data data members.
10102
10103         * gimple-fold.c (get_range_strlen): Update prototype.
10104         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10105         local variables.  Use pdata to return information to caller.
10106         Update calls to get_range_strlen.  Update pdata->maxbound.
10107         (get_range_strlen -- static version): Similarly.
10108         (get_range_strlen -- extern version): Update for internal
10109         get_range_strlen API change.  Convert to external data format.
10110         (get_maxval_strlen): Similarly.
10111
10112 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10113
10114         * coverage.c (get_coverage_counts): Use current_function_decl.
10115         * profile.c (read_thunk_profile): New function.
10116         (branch_prob): Add THUNK parameter.
10117         * tree-profile.c (tree_profiling): Handle thunks.
10118         * value-prof.c (init_node_map): Handle thunks.
10119         * value-prof.h (branch_prob): Upate prototype.
10120         (read_thunk_profile): Declare.
10121
10122 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10123
10124         Update copyright years.
10125
10126         * gcc.c (process_command): Update copyright notice dates.
10127         * gcov-dump.c (print_version): Ditto.
10128         * gcov.c (print_version): Ditto.
10129         * gcov-tool.c (print_version): Ditto.
10130         * gengtype.c (create_file): Ditto.
10131         * doc/cpp.texi: Bump @copying's copyright year.
10132         * doc/cppinternals.texi: Ditto.
10133         * doc/gcc.texi: Ditto.
10134         * doc/gccint.texi: Ditto.
10135         * doc/gcov.texi: Ditto.
10136         * doc/install.texi: Ditto.
10137         * doc/invoke.texi: Ditto.
10138 \f
10139 Copyright (C) 2019 Free Software Foundation, Inc.
10140
10141 Copying and distribution of this file, with or without modification,
10142 are permitted in any medium without royalty provided the copyright
10143 notice and this notice are preserved.