gcc/ChangeLog

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