gcc/ChangeLog

   1 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
   4         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
   5         on OMP_SIMD if not nested inside of worksharing loop that also has
   6         lastprivate conditional clause for the same decl.
   7         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
   8         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
   9         on simd.
  10         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
  11         on simd construct.
  12         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
  13         on simd construct.
  14         (lower_lastprivate_clauses): Likewise.
  15         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
  16         calling lower_rec_input_clauses.
  17         (lower_omp_for): Likewise.
  18         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
  19         clause on simd construct.
  20         * omp-expand.c (expand_omp_simd): Initialize cond_var if
  21         OMP_CLAUSE__CONDTEMP_ clause is present.
  22
  23         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
  24         ivar and lvar.
  25
  26 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
  27
  28         PR c/43673
  29         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
  30         TEX_D32, TEX_D64 or TEX_D128.
  31
  32 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
  33
  34         * match.pd (~(vec?cst1:cst2)): New transformation.
  35
  36 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
  37
  38         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
  39         ((size_t)(A /[ex] B) CMP C): New transformation.
  40
  41 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
  42
  43         * doc/md.texi: Document define_insn_and_rewrite.
  44         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
  45         * gensupport.c (queue_elem): Update comment.
  46         (replace_operands_with_dups): New function.
  47         (gen_rewrite_sequence): Likewise.
  48         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
  49         * read-rtl.c (apply_subst_iterator): Likewise.
  50         (add_condition_to_rtx, named_rtx_p): Likewise.
  51         (rtx_reader::read_rtx_operand): Likewise.
  52         * config/aarch64/aarch64-sve.md
  53         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
  54         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
  55         define_insn_and_rewrite.
  56         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
  57         Remove separate define_split.
  58
  59 2019-05-31  Jan Hubicka  <jh@suse.cz>
  60
  61         * tree-ssa-alias.c (type_has_components_p): New function.
  62         (aliasing_component_refs_p): Use it.
  63
  64 2019-05-31  Martin Liska  <mliska@suse.cz>
  65
  66         * gdbhooks.py: Add const_tree to TreePrinter.
  67
  68 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
  69
  70         PR debug/86964
  71         * common.opt (feliminate-unused-debug-symbols): Enable by default.
  72         * doc/invoke.texi (Debugging Options): Document new default of
  73         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
  74
  75 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
  76
  77         PR tree-optimization/90671
  78         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
  79         template_block used to be empty on the first call, don't use
  80         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
  81         seq with bb_seq and set it with set_bb_seq.
  82
  83 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
  84
  85         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
  86
  87 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
  88             Michael Meissner  <meissner@linux.ibm.com>
  89
  90         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
  91         (prefixed_mem_operand): Likewise.
  92         (non_prefixed_mem_operand): Likewise.
  93         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
  94         prototype.
  95         * config/rs6000/rs6000.c (print_operand_address): Handle
  96         PC-relative addresses.
  97         (mode_supports_prefixed_address_p): New function.
  98         (rs6000_prefixed_address): New function.
  99         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 100         (SYMBOL_REF_PCREL_P): Likewise.
 101
 102 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 103
 104         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 105         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 106         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 107         is nested inside of parallel region, add _condtemp_ clause to both.
 108         * tree-nested.c (convert_nonlocal_omp_clauses,
 109         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 110         assertion failure.
 111         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 112         member.
 113         * omp-general.c (omp_extract_for_data): Compute it.
 114         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 115         (lower_rec_input_clauses): Likewise.
 116         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 117         clause is already present, just add one further one after it.
 118         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 119         (lower_send_shared_vars): Clear _condtemp_ vars.
 120         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 121         or section or taskgroup.
 122         * omp-expand.c (determine_parallel_type): Disallow combining only if
 123         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 124         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 125         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 126         expand_omp_for_static_chunk, expand_omp_for): Use
 127         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 128         determine if a special set of API routines are needed and if condtemp
 129         needs to be initialized, while always initialize cond_var if
 130         fd->lastprivate_conditional is non-zero.
 131
 132 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 133             Michael Meissner  <meissner@linux.ibm.com>
 134
 135         * config/rs6000/constraints.md (eI): New constraint.
 136         * config/rs6000/predicates.md (cint34_operand): New predicate.
 137         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 138         (SIGNED_34BIT_OFFSET_P): Likewise.
 139         * doc/md.texi (eI): Document constraint.
 140
 141 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 142
 143         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 144
 145 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 146             Michael Meissner  <meissner@linux.ibm.com>
 147
 148         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 149         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 150         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 151         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 152         (OTHER_FUTURE_MASKS): Likewise.
 153         (POWERPC_MASKS): Likewise.
 154         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 155         specified without -mprefixed-addr or -mcpu=future.  Error if
 156         -mprefixed-addr is specified without -mcpu=future.
 157         (rs6000_opt_masks): Add entry for prefixed-addr.
 158         * rs6000.opt (mprefixed-addr): New option.
 159
 160 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 161
 162         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 163         cfun->is_thunk check.
 164
 165 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 166
 167         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 168         to length.
 169
 170 2019-05-30  Martin Liska  <mliska@suse.cz>
 171
 172         * gdbinit.in: Fix 'ptc' command.  Add trt
 173         that prints TREE_TYPE($).
 174
 175 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 176             Alan Modra  <amodra@gmail.com>
 177
 178         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 179         calls here...
 180         (rs6000_indirect_call_template_1): ...and here.
 181         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 182         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 183         rs6000_pltseq_enum.
 184         (rs6000_decl_ok_for_sibcall): New function.
 185         (rs6000_function_ok_for_sibcall): Refactor.
 186         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 187         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 188         when pcrel.  Reorganize.
 189         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 190         * rs6000.h (rs6000_pltseq_enum): New enum.
 191         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 192         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 193         (*pltseq_plt16_ha): Likewise.
 194         (*pltseq_plt16_lo): Likewise.
 195         (*pltseq_mtctr): Likewise.
 196         (*pltseq_plt_pcrel): New insn.
 197         (*call_local_aix): Handle @notoc calls.
 198         (*call_value_local_aix): Likewise.
 199         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 200         (*call_value_nonlocal_aix): Likewise.
 201         (*call_indirect_pcrel): New insn.
 202         (*call_value_indirect_pcrel): Likewise.
 203
 204
 205 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 206
 207         * config/i386/sse.md (*save_multiple<mode>): Rename from
 208         save_multiple<mode>.
 209         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 210         (*restore_multiple_and_return<mode>): Rename from
 211         restore_multiple_and_return<mode>.
 212         (*restore_multiple_leave_return<mode>): Rename from
 213         restore_multiple_leave_return<mode>.
 214
 215 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 216
 217         * config.gcc (rx-*-linux*): New target.
 218         * config/rx/elf.opt: New file.
 219         * config/rx/linux.h: Likewise.
 220         * config/rx/t-linux: Likewise.
 221         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 222         make it zero.
 223         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 224         (ASM_APP_OFF): Likewise.
 225         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 226         moved elsewhere.
 227
 228 2019-05-29  Jan Hubicka  <jh@suse.cz>
 229
 230         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 231         variants are pointer equivalent.
 232
 233 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 234
 235         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 236         * config/aarch64/aarch64-sve2.md: New file.
 237         (<u>avg<mode>3_floor): New pattern.
 238         (<u>avg<mode>3_ceil): Likewise.
 239         (*<sur>h<addsub><mode>): Likewise.
 240         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 241         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 242
 243 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 244
 245         PR bootstrap/90543
 246         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 247         for var_opt_string printing.  In cl_optimization_print_diff, print
 248         (null) instead of invoking undefined behavior if one of the
 249         var_opt_string pointers is NULL and use && instead of first || in the
 250         guarding condition.  For var_target_other options, handle const char *
 251         target variables similarly to const char * optimize node variables.
 252
 253 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 254
 255         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 256         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 257         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 258         Add autib1716 and pacib1716 initialisation.
 259         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 260         for autib1716 and pacib1716.
 261         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 262         aarch64_post_cfi_startproc): Define.
 263         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 264         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 265         aarch64_handle_pac_ret_protection): Set default sign key to A.
 266         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 267         aarch64_expand_prologue): Add check for b-key.
 268         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 269         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 270         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 271         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 272         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 273         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 274         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 275         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 276         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 277         pauth_hint_num_a with pauth_hint_num.
 278         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 279         pauth_hint_num_a with pauth_hint_num.
 280         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 281         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 282         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 283         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 284         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 285         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 286         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 287         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 288         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 289         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 290         UNSPEC_AUTIA1716 respectively.
 291         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 292         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 293         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 294         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 295         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 296
 297 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 298
 299         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 300         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 301         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 302         explicit clause on combined parallel into implicit shared clause.
 303         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 304         and firstprivate if the decl has one too from combined parallel to
 305         the worksharing construct.
 306
 307 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 308             Michael Meissner  <meissner@linux.ibm.com>
 309
 310         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 311
 312 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 313
 314         * rtl.h (LABEL_REF_P): New #define.
 315
 316 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 317
 318         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 319
 320 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 321
 322         * internal-fn.c: Marked mask_load_direct as vectorizable.
 323         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 324         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 325         combined even if masks different with allow_slp_p param.
 326         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 327         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 328         dissolve SLP-only vectorizable groups when SLP has been discarded.
 329         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 330         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 331         masks.
 332         (vect_build_slp_tree_1): Fixed comment typo.
 333         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 334         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 335         loads for SLP only.
 336         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 337         vectorizable.
 338         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 339
 340 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 341
 342         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 343         Remove obsolete use_thunk reference.
 344         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 345         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 346         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 347         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 348         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 349         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 350         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 351         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 352         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 353
 354 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 355
 356         * tree.h (IDENTIFIER_ANON_P): New.
 357         (anon_aggrname_format, anon_aggname_p): Don't declare.
 358         (make_anon_name): Declare.
 359         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 360         (hash_tree): Likewise.
 361         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 362         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 363         (anon_cnt, make_anon_name): New.
 364
 365 2019-05-28  Martin Liska  <mliska@suse.cz>
 366
 367         PR other/90315
 368         * opts-global.c (decode_options): Print help for all
 369         help_option_arguments.
 370         * opts.c (print_help): Add new argument.
 371         (common_handle_option): Remember all values into
 372         help_option_arguments.
 373         * opts.h (print_help): Add new argument.
 374
 375 2019-05-28  Martin Liska  <mliska@suse.cz>
 376
 377         PR ipa/90555
 378         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 379         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 380         (func_checker::compare_bb): Call compare_loops.
 381
 382 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 383
 384         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 385         on sections construct.
 386         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 387         construct.
 388         (lower_omp_sections): Handle lastprivate conditional.
 389         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 390         lastprivate_conditional_map.
 391         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 392
 393         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 394         critical, taskgroup and section regions when looking for a region
 395         with non-NULL lastprivate_conditional_map.
 396
 397 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 398
 399         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 400         (*ix86_gen_sub3): Ditto.
 401         (*ix86_gen_sub3_carry): Ditto.
 402         (*ix86_gen_one_cmpl2): Ditto.
 403         (*ix86_gen_andsp): Ditto.
 404         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 405         (gen_and2_insn): New static function.
 406         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 407         Use gen_add3_insn instead of ix86_gen_add3.
 408         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 409         instead of ix86_gen_add3.
 410         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 411         Use gen_sub3_insn instead of ix86_gen_sub3.
 412         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 413         instead of ix86_gen_add3.
 414         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 415         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 416         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 417         * config/i386/i386-options.c (ix86_option_override_internal):
 418         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 419         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 420
 421 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 422
 423         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 424         and DW_OP_GNU_const_index opcodes.
 425
 426 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 427
 428         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 429
 430 2019-05-27  Richard Biener  <rguenther@suse.de>
 431
 432         PR tree-optimization/90637
 433         * tree-ssa-sink.c (statement_sink_location): Honor the
 434         computed sink location for single-uses.
 435
 436 2019-05-27  Richard Biener  <rguenther@suse.de>
 437
 438         PR middle-end/90610
 439         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 440         a bit-insert.
 441
 442 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 443
 444         * config/i386/i386.md (@sub<mode>3_carry): Rename
 445         from sub<mode>3_carry.
 446         (@leave_<mode>): New expander.
 447         (*leave): Rename from leave.
 448         (*leave_rex64): Rename from leave_rex64.
 449         (@monitorx_<mode>): Rename from monitorx_<mode>.
 450         (@clzero_<mode>): Rename from clzero_<mode>.
 451         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 452         from sse3_monitor_<mode>.
 453         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 454         (*ix86_gen_leave): Ditto.
 455         (*ix86_gen_monitor): Ditto.
 456         (*ix86_gen_monitorx): Ditto.
 457         (*ix86_gen_clzero): Ditto.
 458         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 459         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 460         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 461         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 462         Use gen_sse3_monitor instead of ix86_gen_monitor.
 463         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 464         instead of ix86_gen_monitorx.
 465         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 466         instead of ix86_gen_clzero.
 467         * config/i386/i386-options.c (ix86_option_override_internal):
 468         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 469         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 470
 471 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 472
 473         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 474         Rename from tls_global_dynamic_64_<mode>.
 475         (@tls_local_dynamic_base_64_<mode>): Rename from
 476         tls_local_dynamic_base_64_<mode>.
 477         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 478         Remove indirect function.
 479         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 480         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 481         instead of ix86_gen_tls_global_dynamic_64.
 482         Use gen_tls_local_dynamic_base_64 instead of
 483         ix86_gen_tls_local_dynamic_base_64.
 484         * config/i386/i386-options.c (ix86_option_override_internal):
 485         Do not initialize ix86_gen_tls_global_dynamic_64 and
 486         ix86_gen_tls_local_dynamic_base_64.
 487
 488 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 489
 490         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 491         Rename from pro_epilogue_adjust_stack_<mode>_add.
 492         (@pro_epilogue_adjust_stack_sub_<mode>)
 493         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 494         (@allocate_stack_worker_probe_<mode>):
 495         Rename from allocate_stack_worker_probe_<mode>.
 496         (allocate_stack): Use gen_allocate_stack_worker_probe.
 497         (probe_stack): Use gen_probe_stack_1.
 498         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 499         (@adjust_stack_and_probe_<mode>): Rename from
 500         adjust_stack_and_probe<mode>.
 501         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 502         (stack_protect_set): Use gen_stack_protect_set_1.
 503         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 504         (stack_protect_test): Use gen_stack_protect_test_1.
 505         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 506         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 507         Remove indirect function.
 508         (*ix86_gen_adjust_stack_and_probe): Ditto.
 509         (*ix86_gen_probe_stack_range): Ditto.
 510         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 511         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 512         (ix86_adjust_stack_and_probe_stack_clash): Use
 513         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 514         (ix86_adjust_stack_and_probe): Ditto.
 515         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 516         of ix86_gen_probe_stack_range.
 517         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 518         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 519         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 520         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 521         CODE_FOR_stack_protect_test_{si,di}.
 522         * config/i386/i386-options.c (ix86_option_override_internal):
 523         Do not initialize ix86_gen_allocate_stack_worker,
 524         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 525
 526 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 527
 528         * doc/invoke.texi (Link Options): Many editorial changes around
 529         -flinker-output.
 530
 531 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 532
 533         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 534         pre-Solaris 11 referene and most Studio compiler details.
 535
 536 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 537
 538         PR target/90530
 539         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 540         DImode to SImode in floating-point registers on 64-bit target.
 541         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 542         register_operand in xmpyu patterns.
 543
 544 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 545
 546         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 547         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 548         OMP_CLAUSE__REDUCTEMP_.
 549         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 550         OMP_CLAUSE__CONDTEMP_.
 551         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 552         * tree-pretty-print.c (dump_omp_clause): Likewise.
 553         * tree-nested.c (convert_nonlocal_omp_clauses,
 554         convert_local_omp_clauses): Likewise.
 555         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 556         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 557         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 558         on OMP_FOR.
 559         (gimplify_omp_for): Warn and disable conditional modifier from
 560         lastprivate on loop iterators.
 561         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 562         member.
 563         * omp-general.c (omp_extract_for_data): Initialize it.
 564         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 565         member.
 566         (delete_omp_context): Delete it.
 567         (lower_lastprivate_conditional_clauses): New function.
 568         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 569         handle lastprivate conditional clauses.
 570         (lower_reduction_clauses): Add CLIST argument, emit it into
 571         the critical section if any.
 572         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 573         lower_reduction_clauses callers.
 574         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 575         to lower_lastprivate_clauses.
 576         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 577         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 578         clist into a critical section if not emitted there already by
 579         lower_reduction_clauses.
 580         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 581         callers.
 582         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 583         conditional variables.
 584         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 585         clause is present.
 586         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 587         expand_omp_for_static_chunk): Handle lastprivate conditional.
 588         (expand_omp_for): Handle fd.lastprivate_conditional like
 589         fd.have_reductemp.
 590
 591 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 592
 593         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 594         kernel does not exit cleanly.
 595         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 596
 597 2019-05-24  Jason Merrill  <jason@redhat.com>
 598
 599         Revert:
 600         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 601
 602 2019-05-24  Richard Biener  <rguenther@suse.de>
 603
 604         PR testsuite/90607
 605         * tree-loop-distribution.c (struct partition): Add location
 606         member.
 607         (partition_alloc): Initialize all fields.
 608         (generate_memset_builtin): Use the location recorded in the
 609         partition for the generated call.
 610         (generate_memcpy_builtin): Likewise.
 611         (classify_partition): Record the location of a single store
 612         as location for the partition.
 613
 614 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 615
 616         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 617         for lo-part.
 618
 619 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 620
 621         PR target/90588
 622         * common/config/aarch64/aarch64-common.c
 623         (aarch64_rewrite_selected_cpu): Change local temporary variable
 624         type from unsigned long to uint64_t.
 625         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 626         aarch64_get_extension_string_for_isa_flags): Change declaration to
 627         match new definition by replacing unsigned long with uint64_t.
 628
 629 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 630
 631         PR target/90568
 632         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 633         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 634         Handle stack_protect_test_<mode> codegen similarly to corresponding
 635         sub instruction.
 636
 637 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 638
 639        * config/i386/darwin.h: Reject -mfentry*.
 640        * doc/sourcebuild.texi: Document mfentry target support.
 641
 642 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 643
 644         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 645         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 646         false for PC-relative functions.
 647         (rs6000_output_function_prologue): Change called function name to
 648         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 649         name,1" for PC-relative functions.
 650         (rs6000_elf_declare_function_name): Change called function name to
 651         rs6000_global_entry_point_prologue_needed_p.
 652
 653 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 654
 655         PR target/90552
 656         * config/i386/i386.c (gen_rtx_cost):
 657         Use ix86_tune_cost instead of ix86_cost.
 658
 659 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 660             Michael Meissner  <meissner@linux.ibm.com>
 661             Segher Boessenkool  <segher@kernel.crashing.org>
 662
 663         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 664         OPTION_MASK_PCREL.
 665         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 666         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 667         (rs6000_fndecl_pcrel_p): Likewise.
 668         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 669         error if -mpcrel is requested without -mcpu=future.
 670         (rs6000_opt_masks): Add entry for pcrel.
 671         (rs6000_fndecl_pcrel_p): New function.
 672         (rs6000_pcrel_p): Likewise.
 673         * config/rs6000/rs6000.opt (mpcrel): New option.
 674         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 675
 676 2019-05-23  Jan Hubicka  <jh@suse.cz>
 677             Martin Liska  <mliska@suse.cz>
 678
 679         PR tree-optimization/90576
 680         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 681         poly_int_tree_p.
 682         (aliasing_component_refs_p): Fix three way size compare conditional;
 683         give up earlier in case we can not decide on equivalence.
 684
 685 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 686             Michael Meissner  <meissner@linux.ibm.com>
 687             Segher Boessenkool  <segher@kernel.crashing.org>
 688
 689         * config.gcc: Add future cpu.
 690         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 691         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 692         #define.
 693         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 694         (RS6000_CPU): New instantiation for future cpu.
 695         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 696         PROCESSOR_FUTURE.
 697         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 698         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 699         * config/rs6000/rs6000-tables.opt: Regenerate.
 700         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 701         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 702         (rs6000_machine_from_flags): Handle future cpu.
 703         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 704         PROCESSOR_POWER9 for now.
 705         (rs6000_adjust_cost): Likewise.
 706         (rs6000_issue_rate): Likewise.
 707         (rs6000_register_move_cost): Likewise.
 708         (rs6000_opt_masks): Add entry for future.
 709         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 710         (MASK_FUTURE): New #define.
 711         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 712         * config/rs6000/rs6000.opt (mfuture): New target option.
 713         * doc/invoke.texi (mcpu): Add future cpu.
 714
 715 2019-05-23  Martin Liska  <mliska@suse.cz>
 716
 717         PR c++/90587
 718         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 719         operation points to a temporary (pointed via tree_to_wide_ref)
 720         that is out of scope after the &.
 721
 722 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 723
 724         PR c++/90592
 725         * doc/extend.texi (Function Names): Add missing word.
 726
 727 2019-05-23  Richard Biener  <rguenther@suse.de>
 728
 729         PR tree-optimization/88440
 730         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 731         at -O[2s]+.
 732         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 733         generated call.
 734         (generate_memcpy_builtin): Likewise.
 735         (distribute_loop): Pass in whether to only distribute patterns.
 736         (prepare_perfect_loop_nest): Also allow size optimization.
 737         (pass_loop_distribution::execute): When optimizing a loop
 738         nest for size allow pattern replacement.
 739
 740 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 741
 742         PR target/90568
 743         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 744         of xor.
 745
 746 2019-05-23  Martin Liska  <mliska@suse.cz>
 747
 748         PR sanitizer/90570
 749         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 750         expression similarly to gimplify_decl_expr.
 751
 752 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 753
 754         * cse.c (cse_dump_path): s/dump_file/f.
 755
 756 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 757
 758         PR c++/90462
 759         * diagnostic-format-json.cc: Include "selftest.h".
 760         (json_from_expanded_location): Only add "file" key for non-NULL
 761         file strings.
 762         (json_from_location_range): Don't add "start" and "finish"
 763         children if they are UNKNOWN_LOCATION.
 764         (selftest::test_unknown_location): New selftest.
 765         (selftest::test_bad_endpoints): New selftest.
 766         (selftest::diagnostic_format_json_cc_tests): New function.
 767         * json.cc (json::object::get): New function.
 768         (selftest::test_object_get): New selftest.
 769         (selftest::json_cc_tests): Call it.
 770         * json.h (json::object::get): New decl.
 771         * selftest-run-tests.c (selftest::run_tests): Call
 772         selftest::diagnostic_format_json_cc_tests.
 773         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 774         decl.
 775
 776 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 777             Andrew Stubbs  <amd@codesourcery.com>
 778
 779         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 780         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 781         (kernel): Rename to...
 782         (main_kernel): ... this.
 783         (load_image): Load _init_array and _fini_array kernels.
 784         (run): Add argument for kernel to run.
 785         (main): Run init_array_kernel before main_kernel, and
 786         fini_array_kernel after.
 787         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 788         amdgpu_hsa_kernel attribute on functions.
 789         (gcn_disable_constructors): Delete.
 790         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 791         * config/gcn/crt0.c (size_t): Define.
 792         (_init_array, _fini_array): New.
 793         (__preinit_array_start, __preinit_array_end,
 794         __init_array_start, __init_array_end,
 795         __fini_array_start, __fini_array_end): Declare weak references.
 796
 797 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 798
 799         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 800
 801 2019-05-22  Jason Merrill  <jason@redhat.com>
 802
 803         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 804
 805 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 806
 807         PR target/88483
 808         * config/i386/i386-options.c (ix86_init_machine_status): Set
 809         stack_frame_required to true.
 810         * config/i386/i386.c (ix86_get_frame_size): New function.
 811         (ix86_frame_pointer_required): Replace get_frame_size with
 812         ix86_get_frame_size.
 813         (ix86_compute_frame_layout): Likewise.
 814         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 815         stack_frame_required.
 816         (ix86_finalize_stack_frame_flags): Always call
 817         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 818         ix86_get_frame_size.
 819         * config/i386/i386.h (machine_function): Add stack_frame_required.
 820
 821 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 822
 823         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 824
 825 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 826
 827         * common/config/aarch64/aarch64-common.c
 828         (struct aarch64_option_extension, struct processor_name_to_arch,
 829         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 830         aarch64_contains_opt,
 831         aarch64_get_extension_string_for_isa_flags): Change type of
 832         variables storing flags to uint64_t.
 833         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 834         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 835         * config/aarch64/aarch64.c (struct processor,
 836         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 837         aarch64_validate_march, aarch64_override_options,
 838         aarch64_option_print, aarch64_handle_attr_isa_flags,
 839         aarch64_declare_function_name, aarch64_start_file): Make flag
 840         variables uint64_t.
 841         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 842         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 843         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 844         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 845         * config/aarch64/driver-aarch64.c
 846         (struct aarch64_arch_extension, struct aarch64_core_data,
 847         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 848         flag variables uint64_t.
 849         * doc/invoke.texi: Add documentation for new arguments.
 850
 851 2019-05-22  Richard Biener  <rguenther@suse.de>
 852
 853         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 854         rewrite ...
 855         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 856
 857 2019-05-22  Martin Liska  <mliska@suse.cz>
 858
 859         PR lto/90500
 860         * doc/extend.texi: Document the change.
 861
 862 2019-05-22  Richard Biener  <rguenther@suse.de>
 863
 864         PR tree-optimization/90450
 865         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 866         (mem_ref_hasher::equal): Check it.
 867         (mem_ref_alloc): Initialize it.
 868         (gather_mem_refs_stmt): Set it.
 869
 870 2019-05-22  Richard Biener  <rguenther@suse.de>
 871
 872         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 873         Add ABS_EXPR.
 874         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 875         as ABSU_EXPR.
 876
 877 2019-05-22  Alan Modra  <amodra@gmail.com>
 878
 879         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 880         (ASM_CPU_SPEC): Conditionally add -many.
 881         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 882         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 883         (rs6000_file_start): ..extracted from here, and modified to
 884         test all ISA bits.
 885         (rs6000_output_function_prologue): Emit .machine as necessary.
 886         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 887         power mnemonics.
 888         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 889         added by check_vect_support_and_set_flags.
 890         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 891         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 892
 893 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 894
 895         PR middle-end/90553
 896         * ira-lives.c (process_bb_node_lives): Consider defs
 897         for a call insn to be die before the call, not after.
 898
 899         * function.c (assign_parm_setup_block): Raise alignment of
 900         stacked parameter only for STRICT_ALIGNMENT targets.
 901
 902 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 903
 904         * config/rs6000/constraints.md (define_register_constraint "wz"):
 905         Delete.
 906         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 907         RS6000_CONSTRAINT_wz.
 908         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 909         (rs6000_init_hard_regno_mode_ok): Adjust.
 910         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 911         * doc/md.texi (Machine Constraints): Adjust.
 912
 913 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 914
 915         * config/rs6000/constraints.md (define_register_constraint "wl"):
 916         Delete.
 917         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 918         RS6000_CONSTRAINT_wl.
 919         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 920         (rs6000_init_hard_regno_mode_ok): Adjust.
 921         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 922         * doc/md.texi (Machine Constraints): Adjust.
 923
 924 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 925
 926         * config/rs6000/constraints.md (define_register_constraint "wm"):
 927         Delete.
 928         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 929         RS6000_CONSTRAINT_wm.
 930         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 931         (rs6000_init_hard_regno_mode_ok): Adjust.
 932         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 933         * doc/md.texi (Machine Constraints): Adjust.
 934
 935 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 936
 937         * config/rs6000/constraints.md (define_register_constraint "wk"):
 938         Delete.
 939         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 940         RS6000_CONSTRAINT_wk.
 941         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 942         (rs6000_init_hard_regno_mode_ok): Adjust.
 943         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 944         * doc/md.texi (Machine Constraints): Adjust.
 945
 946 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 947
 948         * config/rs6000/constraints.md (define_register_constraint "wj"):
 949         Delete.
 950         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 951         RS6000_CONSTRAINT_wj.
 952         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 953         (rs6000_init_hard_regno_mode_ok): Adjust.
 954         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 955         (VS_64dm): Delete.
 956         * config/rs6000/vsx.md: Ditto.
 957         * doc/md.texi (Machine Constraints): Adjust.
 958
 959 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 960
 961         * config/rs6000/constraints.md (define_register_constraint "wh"):
 962         Delete.
 963         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 964         RS6000_CONSTRAINT_wh.
 965         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 966         (rs6000_init_hard_regno_mode_ok): Adjust.
 967         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 968         * doc/md.texi (Machine Constraints): Adjust.
 969
 970 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 971
 972         PR target/90547
 973         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 974         Avoid calling gen_lowpart with CONST operand.
 975
 976 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 977
 978         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 979         field template_last_to_copy.
 980         (ssa_create_duplicates): Set it, and use it.  Attempt to
 981         preserve more debug stmts.
 982
 983 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 984
 985         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 986         (signbit<mode>2): New expander
 987
 988 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 989
 990         PR bootstrap/87338
 991         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 992         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 993
 994 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 995
 996         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 997         %ebx and %ecx bafore calling cpuid with leaf 1 or
 998         non-constant leaf argument.
 999
1000 2019-05-21  Alan Modra  <amodra@gmail.com>
1001
1002         PR target/90545
1003         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1004         power9 direct move cost.
1005         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1006         Correct comments and rename functions to suit parameters.
1007
1008 2019-05-21  Richard Biener  <rguenther@suse.de>
1009
1010         PR middle-end/90510
1011         * fold-const.c (fold_read_from_vector): New function.
1012         * fold-const.h (fold_read_from_vector): Declare.
1013         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1014         single-element insert permutations.  Canonicalize selector
1015         further and fix issue with last commit.
1016
1017 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1018
1019         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1020         parameter with default value false to declaration.
1021         (split_edges_for_insertion): New inline function.  Wrapper for
1022         split_critical_edges with for_edge_insertion_p = true.
1023         * tree-cfg.c (split_critical_edges): Don't split non-critical
1024         edges if for_edge_insertion_p is false.  Fix whitespace.
1025         * tree-ssa-pre.c (pass_pre::execute): Call
1026         split_edges_for_insertion instead of split_critical_edges.
1027         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1028         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1029         (pass_data_sink_code): Update function name in the comment.
1030
1031 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1032
1033         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1034         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1035         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1036         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1037         positives.
1038
1039 2019-05-21  Martin Liska  <mliska@suse.cz>
1040
1041         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1042         an extra newline.
1043         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1044         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1045         vec_lvsr.
1046         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1047         Quote a C type.
1048         (rs6000_function_arg): Likewise.
1049         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1050         (rs6000_expand_ternop_builtin): Use interval syntax.
1051         (get_element_number): Likewise.
1052         (altivec_expand_builtin): Likewise.
1053         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1054
1055 Fix test-suite.
1056
1057 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR c++/59813
1060         PR target/90418
1061         * function.h (struct function): Add calls_eh_return member.
1062         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1063         gimplifying __builtin_eh_return call.
1064         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1065         to cfun.
1066         (expand_call_inline): Or in src_cfun->calls_eh_return into
1067         dst_cfun->calls_eh_return.
1068         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1069         cfun->calls_eh_return.
1070         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1071         * lto-streamer-out.c (output_struct_function_base): Write
1072         calls_eh_return.
1073
1074 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1075
1076         PR rtl-optimization/43147
1077         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1078         IX86_BUILTIN_SHUFPD.
1079
1080 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1081
1082         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1083         (refs_may_alias_p_1): ... here; update stats.
1084         (refs_may_alias_p): Do not update stats here.
1085
1086 2019-05-20  Richard Biener  <rguenther@suse.de>
1087
1088         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1089         doesn't produce pointers.
1090         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1091         the first operand points to.
1092
1093 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1094
1095         * tree-ssa-alias.c (compare_sizes): New function.
1096         (sompare_type_sizes): New function
1097         (aliasing_component_refs_p): Use it.
1098         (indirect_ref_may_alias_decl_p): Likewise.
1099
1100 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1101
1102         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1103
1104 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1105
1106         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1107         (LIBLSAN_EARLY_SPEC): Likewise.
1108         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1109
1110 2019-05-20  Martin Liska  <mliska@suse.cz>
1111
1112         * config/i386/i386.c (ix86_libc_has_fast_function):
1113         Add ATTRIBUTE_UNUSED for the argument.
1114
1115 2019-05-20  Richard Biener  <rguenther@suse.de>
1116
1117         * gimple-match-head.c: Include vec-perm-indices.h.
1118         * generic-match-head.c: Likewise.
1119         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1120         is included.
1121         * fold-const.c (fold_vec_perm): Export.
1122         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1123         (match.pd): ...here.
1124
1125 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1126
1127         * cfgloop.h (struct loop): Add simdlen member.
1128         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1129         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1130         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1131         as new argument to autovectorize_vector_sizes target hook.  If
1132         loop->simdlen, pick up vector size where the vectorization factor
1133         is equal to loop->simd, and if there is none, fall back to the first
1134         successful one.
1135         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1136         caller.
1137         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1138         * omp-general.c (omp_max_vf): Likewise.
1139         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1140         * tree-vect-slp.c (vect_slp_bb): Likewise.
1141         * target.def (autovectorize_vector_sizes): Add ALL argument and
1142         document it.
1143         * doc/tm.texi: Adjust documentation.
1144         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1145         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1146         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1147         bool argument.
1148         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1149         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1150         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1151         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1152         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1153         preferred vector size is not 512-bit or 256-bit, just put those
1154         unpreferred ones last.
1155
1156 2019-05-20  Martin Liska  <mliska@suse.cz>
1157
1158         * targhooks.c (default_libc_has_fast_function): New function.
1159         * targhooks.h (default_libc_has_fast_function): Likewise.
1160
1161 2019-05-20  Martin Liska  <mliska@suse.cz>
1162
1163         PR middle-end/90263
1164         * builtins.c (expand_builtin_memory_copy_args): When having a
1165         target with fast mempcpy implementation do now use memcpy.
1166         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1167         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1168         * doc/tm.texi: Likewise.
1169         * doc/tm.texi.in: Likewise.
1170         * target.def:
1171         * expr.c (emit_block_move_hints): Add 2 new arguments.
1172         * expr.h (emit_block_move_hints): Bail out when libcall
1173         to memcpy would be used.
1174
1175 2019-05-20  Martin Liska  <mliska@suse.cz>
1176
1177         * profile-count.c: Add vertical spacing in order
1178         to separate functions.
1179         * profile-count.h: Likewise.
1180
1181 2019-05-20  Martin Liska  <mliska@suse.cz>
1182
1183         * profile-count.h: Do not use full qualified
1184         names if possible.
1185         * profile-count.c (profile_count::to_frequency): Likewise.
1186
1187 2019-05-20  Martin Liska  <mliska@suse.cz>
1188
1189         * profile-count.h (enum profile_quality): Use capital letters
1190         for enum value names.  Use the adjusted names.
1191         * profile-count.c: Use the adjusted names.
1192
1193 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1194
1195         * config/rs6000/constraints.md (define_register_constraint "wH"):
1196         Delete.
1197         (define_register_constraint "wI"): Delete.
1198         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1199         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1200         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1201         (rs6000_init_hard_regno_mode_ok): Adjust.
1202         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1203         resp. "d", or with "wa" as appropriate, all with "p8v".
1204         * config/rs6000/vsx.md: Ditto.
1205         * doc/md.texi (Machine Constraints): Adjust.
1206
1207 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1208
1209         * config/rs6000/constraints.md (define_register_constraint "wy"):
1210         Delete.
1211         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1212         RS6000_CONSTRAINT_wy.
1213         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1214         (rs6000_init_hard_regno_mode_ok): Adjust.
1215         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1216         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1217         (define_mode_attr Fisa): New.
1218         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
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 "wu"):
1224         Delete.
1225         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1226         RS6000_CONSTRAINT_wu.
1227         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1228         (rs6000_init_hard_regno_mode_ok): Adjust.
1229         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1230         both with "p8v".
1231         (define_mode_attr Fa): Delete.
1232         * config/rs6000/vsx.md: Ditto.
1233         * doc/md.texi (Machine Constraints): Adjust.
1234
1235 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1236
1237         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1238         Delete.
1239         (define_register_constraint "wK"): Delete.
1240         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1241         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1242         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1243         (rs6000_init_hard_regno_mode_ok): Adjust.
1244         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1245         Replace "wK" constraint by "wH" with "p9v".
1246         * config/rs6000/vsx.md: Ditto.
1247         * doc/md.texi (Machine Constraints): Adjust.
1248
1249 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1250
1251         * config/rs6000/constraints.md (define_register_constraint "wb"):
1252         Delete.
1253         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1254         RS6000_CONSTRAINT_wb.
1255         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1256         (rs6000_init_hard_regno_mode_ok): Adjust.
1257         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1258         * config/rs6000/vsx.md: Ditto.
1259         * doc/md.texi (Machine Constraints): Adjust.
1260
1261 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1262
1263         * config/rs6000/constraints.md (define_register_constraint "wo"):
1264         Delete.
1265         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1266         RS6000_CONSTRAINT_wo.
1267         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1268         (rs6000_init_hard_regno_mode_ok): Adjust.
1269         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1270         * config/rs6000/altivec.md: Ditto.
1271         * doc/md.texi (Machine Constraints): Adjust.
1272
1273 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1274
1275         * config/darwin-c.c (darwin_register_objc_includes): Do not
1276         prepend the sysroot when building gnu-runtime header search
1277         paths.
1278
1279 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1280
1281         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1282         instead of direct output of the asm.
1283
1284 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1285
1286         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1287         argument to be type bool (was int before).
1288         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1289         at first use.  Use type bool for some variables.  Fix a theoretical
1290         eh_return bug for svr4.
1291
1292 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1293
1294         * config/rs6000/rs6000.md (isa): New attribute.
1295         (enabled): New attribute.
1296
1297 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1298
1299         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1300         assemble_start_function and assemble_end_function.
1301
1302 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1303
1304         PR middle-end/89433
1305         * omp-general.c (oacc_verify_routine_clauses): Change formal
1306         parameters.  Add checking if already marked with an OpenACC
1307         'routine' directive.  Adjust all users.
1308
1309         PR middle-end/89433
1310         * omp-general.c (oacc_build_routine_dims): Move some of its
1311         processing into...
1312         (oacc_verify_routine_clauses): ... this new function.
1313         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1314
1315 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1316
1317         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1318         formating of picbase labels to match other ports.
1319
1320 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1321
1322         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1323         in the generated code.
1324
1325 2019-05-16  Martin Sebor  <msebor@redhat.com>
1326
1327         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1328         identifiers, keywords, operators, and types in diagnostics.  Correct
1329         quoting, spelling, and sentence capitalization issues.
1330         (expand_builtin_atomic_is_lock_free): Same.
1331         (fold_builtin_next_arg): Same.
1332         * cfgexpand.c (expand_one_var): Same.
1333         (tree_conflicts_with_clobbers_p): Same.
1334         (expand_asm_stmt): Same.
1335         (verify_loop_structure): Same.
1336         * cgraphunit.c (process_function_and_variable_attributes): Same.
1337         * collect-utils.c (collect_execute): Same.
1338         * collect2.c (maybe_run_lto_and_relink): Same.
1339         (is_lto_object_file): Same.
1340         (scan_prog_file): Same.
1341         * convert.c (convert_to_real_1): Same.
1342         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1343         * except.c (verify_eh_tree): Same.
1344         * gcc.c (execute): Same.
1345         (eval_spec_function): Same.
1346         (run_attempt): Same.
1347         (driver::set_up_specs): Same.
1348         (compare_debug_auxbase_opt_spec_function): Same.
1349         * gcov-tool.c (unlink_gcda_file): Same.
1350         (do_merge): Same.
1351         (do_rewrite): Same.
1352         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1353         * gimplify.c (gimplify_asm_expr): Same.
1354         (gimplify_adjust_omp_clauses): Same.
1355         * hsa-gen.c (gen_hsa_addr_insns): Same.
1356         (gen_hsa_insns_for_load): Same.
1357         (gen_hsa_cmp_insn_from_gimple): Same.
1358         (gen_hsa_insns_for_operation_assignment): Same.
1359         (gen_get_level): Same.
1360         (gen_hsa_alloca): Same.
1361         (omp_simple_builtin::generate): Same.
1362         (gen_hsa_atomic_for_builtin): Same.
1363         (gen_hsa_insns_for_call): Same.
1364         * input.c (dump_location_info): Same.
1365         * ipa-devirt.c (compare_virtual_tables): Same.
1366         * ira.c (ira_setup_eliminable_regset): Same.
1367         * lra-assigns.c (lra_assign): Same.
1368         * lra-constraints.c (lra_constraints): Same.
1369         * lto-streamer-in.c (lto_input_mode_table): Same.
1370         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1371         (merge_and_complain): Same.
1372         (compile_offload_image): Same.
1373         (compile_images_for_offload_targets): Same.
1374         (debug_objcopy): Same.
1375         (run_gcc): Same.
1376         (main): Same.
1377         * opts.c (print_specific_help): Same.
1378         (parse_no_sanitize_attribute): Same.
1379         (print_help): Same.
1380         (handle_param): Same.
1381         * plugin.c (add_new_plugin): Same.
1382         (parse_plugin_arg_opt): Same.
1383         (try_init_one_plugin): Same.
1384         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1385         operators, and types in diagnostics.  Correct quoting and spelling
1386         issues.
1387         * read-rtl-function.c (parse_edge_flag_token): Same.
1388         (function_reader::parse_enum_value): Same.
1389         * reg-stack.c (check_asm_stack_operands): Same.
1390         * regcprop.c (validate_value_data): Same.
1391         * sched-rgn.c (make_pass_sched_fusion): Same.
1392         * stmt.c (check_unique_operand_names): Same.
1393         * targhooks.c (default_target_option_pragma_parse): Same.
1394         * tlink.c (recompile_files): Same.
1395         * toplev.c (process_options): Same.
1396         (do_compile): Same.
1397         * trans-mem.c (diagnose_tm_1): Same.
1398         (ipa_tm_scan_irr_block): Same.
1399         (ipa_tm_diagnose_transaction): Same.
1400         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1401         format a tree code name in a diagnostic.
1402         (verify_types_in_gimple_min_lval): Same.
1403         (verify_types_in_gimple_reference): Same.
1404         (verify_gimple_call): Same.
1405         (verify_gimple_assign_unary): Same.
1406         (verify_gimple_assign_binary): Same.
1407         (verify_gimple_assign_ternary): Same.
1408         (verify_gimple_assign_single): Same.
1409         (verify_gimple_switch): Same.
1410         (verify_gimple_label): Same.
1411         (verify_gimple_phi): Same.
1412         (verify_gimple_in_seq): Same.
1413         (verify_eh_throw_stmt_node): Same.
1414         (collect_subblocks): Same.
1415         (gimple_verify_flow_info): Same.
1416         (do_warn_unused_result): Same.
1417         * tree-inline.c (expand_call_inline): Same.
1418         * tree-into-ssa.c (update_ssa): Same.
1419         * tree.c (tree_int_cst_elt_check_failed): Same.
1420         (tree_vec_elt_check_failed): Same.
1421         (omp_clause_operand_check_failed): Same.
1422         (verify_type_variant): Same.
1423         (verify_type): Same.
1424         * value-prof.c (verify_histograms): Same.
1425         * varasm.c (assemble_start_function): Same.
1426
1427 2019-05-16  Martin Sebor  <msebor@redhat.com>
1428
1429         * config/i386/i386-expand.c (get_element_number): Quote keywords
1430         and other internal names in diagnostics.  Adjust other diagnostic
1431         formatting issues noted by -Wformat-diag.
1432         * config/i386/i386-features.c
1433         (ix86_mangle_function_version_assembler_name): Same.
1434         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1435         * config/i386/i386.c (ix86_function_type_abi): Same.
1436         (ix86_function_ms_hook_prologue): Same.
1437         (classify_argument): Same.
1438         (ix86_expand_prologue): Same.
1439         (ix86_md_asm_adjust): Same.
1440         (ix86_memmodel_check): Same.
1441
1442 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1443
1444         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1445         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1446         and fpxx modes.
1447
1448 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1449
1450         PR target/90497
1451         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1452         intrinsics without SSE/SSE2/SSSE3.
1453         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1454         check.
1455         (*mmx_uavgv8qi3): Likewise.
1456
1457 2019-05-17  Richard Biener  <rguenther@suse.de>
1458
1459         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1460         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1461
1462 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1463
1464         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1465         vec_sldw insn pattern.
1466
1467 2019-05-17  Richard Biener  <rguenther@suse.de>
1468
1469         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1470
1471 2019-05-17  Martin Liska  <mliska@suse.cz>
1472
1473         PR driver/90496
1474         * toplev.c (output_stack_usage): With LTO and sanitizer it
1475         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1476         has no file location.
1477
1478 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR c++/90484
1481         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1482         sz0 is equal to sz1, instead return false in that case.
1483
1484         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1485         has non-constant expression, force sctx.lane and use two
1486         argument IFN_GOMP_SIMD_LANE instead of single argument.
1487         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1488         two argument IFN_GOMP_SIMD_LANE without lhs.
1489         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1490         member.
1491         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1492         Define.
1493         (LOOP_REQUIRES_VERSIONING): Or in
1494         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1495         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1496         simd_if_cond.
1497         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1498         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1499         from simd if clause if needed.
1500
1501 2019-05-16  Richard Biener  <rguenther@suse.de>
1502
1503         * tree-affine.c (expr_to_aff_combination): New function split
1504         out from...
1505         (tree_to_aff_combination): ... here.
1506         (aff_combination_expand): Avoid building a GENERIC tree.
1507
1508 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1509
1510         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1511         assemble_start_function and assemble_end_function calls.
1512         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1513         assemble_start_function and assemble_end_function.
1514         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1515         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1516         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1517         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1518         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1519         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1520         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1521         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1522         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1523         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1524         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1525         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1526         Likewise.
1527         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1528         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1529         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1530         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1531         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1532         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1533         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1534         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1535         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1536         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1537         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1538         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1539         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1540         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1541         Likewise.
1542         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1543         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1544         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1545
1546 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1547
1548         * tree-ssa-alias.c (alias_stats): Add
1549         aliasing_component_refs_p_may_alias and
1550         aliasing_component_refs_p_no_alias.
1551         (dump_alias_stats): Print aliasing_component_refs_p stats.
1552         (aliasing_component_refs_p): Update stats.
1553
1554 2019-05-16  Martin Liska  <mliska@suse.cz>
1555
1556         PR lto/90500
1557         * multiple_target.c (expand_target_clones): Do not allow
1558         target_clones being used with a symbol that is an alias.
1559
1560 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1561
1562         PR tree-optimization/90394
1563         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1564         positives rather than ICE for cases where (code2 == NE_EXPR
1565         && code1 == BIT_AND_EXPR).
1566
1567 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1568
1569         PR fortran/90329
1570         * tree-core.h (struct tree_decl_common): Document
1571         decl_nonshareable_flag for PARM_DECLs.
1572         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1573         * calls.c (expand_call): Don't try tail call if caller
1574         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1575         passed on the stack and callee needs to pass any arguments on the
1576         stack.
1577         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1578         else if instead of series of mutually exclusive ifs.  Handle
1579         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1580         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1581
1582         * lto-streamer.h (LTO_major_version): Bump to 9.
1583
1584 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1585
1586         PR tree-optimization/90106
1587         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1588         new parameter as new internal function call, also move it to new
1589         basic block.
1590         (use_internal_fn): Pass internal function call to
1591         shrink_wrap_one_built_in_call_with_conds.
1592
1593 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1594
1595         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1596         max_vf to 1.
1597         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1598         safelen_int and set loop->dont_vectorize.
1599
1600 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1601
1602         PR target/89021
1603         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1604         SSE/SSE2/SSSE3.
1605         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1606         Likewise.
1607         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1608         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1609         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1610         is defined.
1611
1612 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1613
1614         PR target/89021
1615         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1616         define_insn_and_split to support SSE emulation.
1617         (*vec_extractv2sf_0): Likewise.
1618         (*vec_extractv2sf_1): Likewise.
1619         (*vec_extractv2si_0): Likewise.
1620         (*vec_extractv2si_1): Likewise.
1621         (*vec_extractv2si_zext_mem): Likewise.
1622         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1623         (vec_extractv2sf_1 splitter): Likewise.
1624         (vec_extractv2sfsf): Likewise.
1625         (vec_setv2si): Likewise.
1626         (vec_extractv2si_1 splitter): Likewise.
1627         (vec_extractv2sisi): Likewise.
1628         (vec_setv4hi): Likewise.
1629         (vec_extractv4hihi): Likewise.
1630         (vec_setv8qi): Likewise.
1631         (vec_extractv8qiqi): Likewise.
1632         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1633         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1634         (vec_extractv2sisi): Likewise.
1635         (vec_extractv4hihi): Likewise.
1636         (vec_extractv8qiqi): Likewise.
1637         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1638         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1639         (vec_initv2sisi): Likewise.
1640         (vec_initv4hihi): Likewise.
1641         (vec_initv8qiqi): Likewise.
1642         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1643         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1644         (vec_setv4hi): Likewise.
1645         (vec_setv8qi): Likewise.
1646
1647 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1648
1649         PR target/89021
1650         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1651         TARGET_MMX_WITH_SSE.
1652         (MMXMODE:*mov<mode>_internal): Likewise.
1653         (MMXMODE:movmisalign<mode>): Likewise.
1654
1655 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1656
1657         PR target/89021
1658         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1659         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1660         (sse2_cvtpd2pi): Ditto.
1661         (sse2_cvttpd2pi): Ditto.
1662         (*vec_concatv2sf_sse4_1): Ditto.
1663         (*vec_concatv2sf_sse): Ditto.
1664         (*vec_concatv2si_sse4_1): Ditto.
1665         (*vec_concatv2si): Ditto.
1666         (*vec_concatv4si_0): Ditto.
1667         (*vec_concatv2di_0): Ditto.
1668
1669 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1670
1671         PR target/89021
1672         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1673
1674 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         PR target/89021
1677         * config/i386/sse.md (ssse3_palignrdi): Changed to
1678         define_insn_and_split to support SSE emulation.
1679
1680 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1681
1682         PR target/89021
1683         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1684
1685 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1686
1687         PR target/89021
1688         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1689         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1690         SSE emulation.
1691
1692 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1693
1694         PR target/89021
1695         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1696         or TARGET_MMX_WITH_SSE.
1697         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1698
1699 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1700
1701         PR target/89021
1702         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1703
1704 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1705
1706         PR target/89021
1707         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1708         Changed to define_insn_and_split to support SSE emulation.
1709
1710 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1711
1712         PR target/89021
1713         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1714         Changed to define_insn_and_split to support SSE emulation.
1715
1716 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1717
1718         PR target/89021
1719         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1720         (*mmx_<emms>): This.
1721         (mmx_<emms>): New expander.
1722
1723 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1724
1725         PR target/89021
1726         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1727         support.
1728         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1729
1730 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1731
1732         PR target/89021
1733         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1734
1735 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1736
1737         PR target/89021
1738         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1739
1740 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1741
1742         PR target/89021
1743         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1744         TARGET_MMX_WITH_SSE.
1745         (*mmx_uavgv4hi3): Add SSE emulation.
1746
1747 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1748
1749         PR target/89021
1750         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1751         and TARGET_MMX_WITH_SSE.
1752         (*mmx_uavgv8qi3): Add SSE emulation.
1753
1754 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1755
1756         PR target/89021
1757         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1758         maskmovdqu for __MMX_WITH_SSE__.
1759
1760 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1761
1762         PR target/89021
1763         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1764         TARGET_MMX and TARGET_MMX_WITH_SSE.
1765         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1766
1767 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1768
1769         PR target/89021
1770         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1771         define_insn_and_split to support SSE emulation.
1772
1773 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1774
1775         PR target/89021
1776         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1777         and TARGET_MMX_WITH_SSE.
1778         (mmx_<code>v8qi3): Likewise.
1779         (smaxmin:<code>v4hi3): New.
1780         (umaxmin:<code>v8qi3): Likewise.
1781         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1782         (umaxmin:*mmx_<code>v8qi3): Likewise.
1783
1784 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1785
1786         PR target/89021
1787         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1788         TARGET_MMX_WITH_SSE.
1789         (*mmx_pinsrw): Add SSE emulation.
1790
1791 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1792
1793         PR target/89021
1794         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1795
1796 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1797
1798         PR target/89021
1799         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1800         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1801         SSE emulation.
1802
1803 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1804
1805         PR target/89021
1806         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1807         (sse_cvttps2pi): Likewise.
1808
1809 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1810
1811         PR target/89021
1812         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1813         TARGET_MMX_WITH_SSE.
1814         (mmx_pshufw_1): Add SSE emulation.
1815         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1816         TARGET_MMX_WITH_SSE to support SSE emulation.
1817
1818 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1819
1820         PR target/89021
1821         * config/i386/constraints.md (Yw): New constraint.
1822         * config/i386/mmx.md (*vec_dupv2si): Changed to
1823         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1824         support SSE emulation.
1825
1826 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1827
1828         PR target/89021
1829         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1830         TARGET_MMX_WITH_SSE.
1831         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1832         support.
1833         (mmx_gt<mode>3): Likewise.
1834
1835 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1836
1837         PR target/89021
1838         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1839         TARGET_MMX_WITH_SSE.  Add SSE support.
1840
1841 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1842
1843         PR target/89021
1844         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1845         TARGET_MMX_WITH_SSE.
1846         (any_logic:<code><mode>3): New.
1847         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1848         Add SSE support.
1849
1850 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1851
1852         PR target/89021
1853         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1854         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1855         (mmx_<shift_insn><mode>3): Likewise.
1856         (ashr<mode>3): New.
1857         (<shift_insn><mode>3): Likewise.
1858
1859 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         PR target/89021
1862         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1863         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1864
1865 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1866
1867         PR target/89021
1868         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1869         TARGET_MMX_WITH_SSE.
1870         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1871         SSE support.
1872
1873 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1874
1875         PR target/89021
1876         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1877         TARGET_MMX_WITH_SSE.
1878         (mulv4hi3): New.
1879         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1880         support.
1881
1882 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1883
1884         PR target/89021
1885         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1886         (plusminus:mmx_<plusminus_insn><mode>3): Check
1887         TARGET_MMX_WITH_SSE.
1888         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1889         (<plusminus_insn><mode>3): New.
1890         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1891         (*mmx_<plusminus_insn><mode>3): Likewise.
1892
1893 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1894
1895         PR target/89021
1896         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1897         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1898         prototype.
1899         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1900         define_insn_and_split to support SSE emulation.
1901         (mmx_punpcklbw): Likewise.
1902         (mmx_punpckhwd): Likewise.
1903         (mmx_punpcklwd): Likewise.
1904         (mmx_punpckhdq): Likewise.
1905         (mmx_punpckldq): Likewise.
1906
1907 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1908             Uros Bizjak  <ubizjak@gmail.com>
1909
1910         PR target/89021
1911         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1912         New function.
1913         (ix86_split_mmx_pack): Likewise.
1914         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1915         New prototype.
1916         (ix86_split_mmx_pack): Likewise.
1917         * config/i386/i386.md (mmx_isa): New.
1918         (enabled): Also check mmx_isa.
1919         * config/i386/mmx.md (any_s_truncate): New code iterator.
1920         (s_trunsuffix): New code attr.
1921         (mmx_packsswb): Removed.
1922         (mmx_packssdw): Likewise.
1923         (mmx_packuswb): Likewise.
1924         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1925         MMX packsswb/packuswb with SSE2.
1926         (mmx_packssdw): Likewise.
1927         * config/i386/predicates.md (register_mmxmem_operand): New.
1928
1929 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1930
1931         PR target/89021
1932         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1933         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1934         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1935         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1936         (ix86_vector_mode_supported_p): Likewise.
1937         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1938
1939 2019-05-15  Martin Liska  <mliska@suse.cz>
1940
1941         PR middle-end/90478
1942         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1943         Check for overflow.
1944
1945 2019-05-15  Richard Biener  <rguenther@suse.de>
1946
1947         * tree-into-ssa.c (pass_build_ssa::execute): Run
1948         update_address_taken before going into SSA.
1949
1950 2019-05-15  Richard Biener  <rguenther@suse.de>
1951
1952         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1953         as __BIT_FIELD_REF with type with -gimple.
1954
1955 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1956
1957         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1958         semantically equivalent branches (left over after prior refactorings).
1959
1960 2019-05-15  Richard Biener  <rguenther@suse.de>
1961
1962         PR tree-optimization/88828
1963         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1964         bogus check.
1965
1966 2019-05-14  Richard Biener  <rguenther@suse.de>
1967
1968         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1969         as __VIEW_CONVERT with -gimple.
1970
1971 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1972
1973         PR target/82920
1974         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1975         Darwin.
1976
1977 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1978
1979         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1980         define_split to become a define_insn_and_split.
1981
1982 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1983
1984         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1985         arguments.
1986         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1987         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1988         (sibcall_epilogue): Adjust.
1989         (epilogue): Adjust.
1990
1991 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1992
1993         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1994         to unsupported ones.
1995         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1996         * config.host: Likewise.
1997         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1998         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1999         __svr4__]: Remove "brand" fallback.
2000         [!KSTAT_DATA_STRING]: Remove.
2001         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2002         to *-*-solaris2*.
2003         (comdat_group): Likewise.
2004         (set_have_as_tls): Likewise.
2005         (gcc_cv_target_dl_iterate_phdr): Likewise.
2006         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2007         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2008         * configure: Regenerate.
2009         * doc/install.texi: Simplify Solaris target triplets.
2010         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2011         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2012         Remove Solaris 10 references.
2013         Remove obsolete Solaris bug reference.
2014         (Specific, sparc-sun-solaris2.10): Remove.
2015
2016 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2017
2018         * config/i386/i386.md (any_div): New code iterator.
2019         (paired_mod): New code attribute.
2020         (sgnprefix): Handle DIV and UDIV RTXes.
2021         (u): Ditto.
2022         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2023         and udivmod<mode>4 patterns using any_div code iterator.
2024         (divmod splitters): Macroize splitters using any_div code iterator.
2025         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2026         (*udivmodsi4_pow2_zext_2): Ditto.
2027         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2028         and *udivmod<mode>4_noext patterns using any_div code iterator.
2029         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2030         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2031         patterns using any_div code iterator.
2032         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2033         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2034         patterns using any_div code iterator.
2035         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2036         udivmodhiqi3 patterns using any_extend code iterator.
2037
2038 2019-05-14  Richard Biener  <rguenther@suse.de>
2039             H.J. Lu  <hongjiu.lu@intel.com>
2040
2041         PR tree-optimization/88828
2042         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2043         permuting in a single non-constant element not extracted
2044         from a vector.
2045
2046 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2047
2048         * internal-fn.def (SIGNBIT): New.
2049         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2050         defined.
2051         (signbitv4sf2): Likewise.
2052
2053 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2054
2055         PR target/90357
2056         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2057         next insn when the SRC reg is dead.
2058
2059 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2060
2061         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2062         (alloc_cand_and_find_basis): Ditto.
2063         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2064         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2065         (create_add_imm_cand, slsr_process_cast): Ditto.
2066         (slsr_process_copy, replace_mult_candidate): Ditto.
2067         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2068         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2069         (pass_strength_reduction::execute): Init the first NULL element.
2070
2071 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2072
2073         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2074         (run_attempt): Reformat line break.
2075
2076 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2077
2078         PR target/90418
2079         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2080         data registers in sibcall epilogues.
2081         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2082
2083 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2084
2085         PR target/89221
2086         * configure.ac (--enable-frame-pointer):
2087         Disable by default for cygwin and mingw.
2088         * configure: Regenerate.
2089
2090 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2091
2092         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2093         piece of code.
2094         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2095         (gen_member_die): Move abstract origin check earlier.  Only VARs
2096         can be static_inline_p.  Simplify splicing control flow.
2097
2098 2019-05-13  Richard Biener  <rguenther@suse.de>
2099
2100         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2101         VIEW_CONVERT_EXPR.
2102         (vect_build_slp_tree_1): Likewise.
2103
2104 2019-05-13  Richard Biener  <rguenther@suse.de>
2105
2106         PR tree-optimization/90402
2107         * tree-if-conv.c (tree_if_conversion): Value number only
2108         the loop body by making the latch an exit of the region
2109         as well.
2110         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2111         processing PHIs.
2112         (do_rpo_vn): Deal with multiple edges into the entry block
2113         that are not backedges inside the region by skipping PHIs
2114         of the entry block.
2115
2116 2019-05-13  Richard Biener  <rguenther@suse.de>
2117
2118         PR tree-optimization/90316
2119         * tree-ssa-pre.c (insert_aux): Fold into ...
2120         (insert): ... this function.  Use a RPO walk to reduce the
2121         number of required iterations.
2122
2123 2019-05-13  Martin Liska  <mliska@suse.cz>
2124
2125         PR tree-optimization/90416
2126         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2127         string instead of passing the second part as va_arg argument.
2128
2129 2019-05-13  Martin Liska  <mliska@suse.cz>
2130
2131         PR gcov-profile/90380
2132         * gcov.c (handle_cycle): Do not support zero cycle count,
2133         it should not be possible.
2134         (path_contains_zero_cycle_arc): New function.
2135         (circuit): Ignore zero cycle arc counts.
2136
2137 2019-05-13  Martin Liska  <mliska@suse.cz>
2138
2139         PR gcov-profile/90380
2140         * gcov.c (enum loop_type): Remove the enum and
2141         the operator.
2142         (handle_cycle): Assert that we should not reach
2143         a negative count.
2144         (circuit): Use loop_found instead of a tri-state loop_type.
2145         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2146         happen.
2147
2148 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2149
2150         PR target/82920
2151         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2152         (ix86_output_indirect_branch_via_reg): Use output mechanism
2153         accounting for __USER_LABEL_PREFIX__.
2154         (ix86_output_indirect_branch_via_push): Likewise.
2155         (ix86_output_function_return): Likewise.
2156         (ix86_output_indirect_function_return): Likewise.
2157
2158 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2159
2160         * doc/md.texi: Document use of code attributes in rtx patterns.
2161         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2162         * read-rtl.c (find_code): Split out search loops into...
2163         (maybe_find_code): ...this new function.
2164         (check_code_iterator): Make the error message more informative.
2165         (check_code_attribute): New function.
2166         (rtx_reader::rtx_alloc_for_name): Likewise.
2167         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2168         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2169         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2170         <max_opp> directly as an rtx code instead of via a match_operator.
2171         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2172         (<su>abd<mode>_3): Update accordingly.
2173
2174 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2175
2176         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2177         is given, print the state of the EH "save world" computation for
2178         Darwin.
2179
2180 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2181
2182         PR c++/59813
2183         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2184         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2185
2186 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2187
2188         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2189         Use pinsrd for TARGET_SSE4_1.
2190         * config/i386/sse.md (movdi_to_sse): Ditto.
2191
2192 2019-05-10  Richard Biener  <rguenther@suse.de>
2193
2194         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2195         (do_rpo_vn): Initialize next_value_id.
2196
2197 2019-05-10  Martin Liska  <mliska@suse.cz>
2198
2199         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2200         Fix plural form.
2201
2202 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2203
2204         PR tree-optimization/90385
2205         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2206         arguments of the exit phis.
2207
2208         PR c++/90383
2209         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2210         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2211         id->do_not_fold.
2212         (copy_tree_body_r): Likewise.
2213         (copy_fn): Set id.do_not_fold to true.
2214
2215 2019-05-10  Martin Liska  <mliska@suse.cz>
2216
2217         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2218         Reapply changes from r269790.
2219
2220 2019-05-10  Martin Liska  <mliska@suse.cz>
2221
2222         PR middle-end/90340
2223         * doc/invoke.texi: New params.
2224         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2225         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2226         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2227         Use it.
2228         * tree-switch-conversion.h (struct jump_table_cluster):
2229         Likewise.
2230
2231 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2232
2233         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2234
2235 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2236
2237         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2238
2239 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2240
2241         PR rtl-optimization/88879
2242         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2243
2244 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2245
2246         PR target/90405
2247         * config/arm/arm.c (callee_saved_reg_p): Move before
2248         thumb_find_work_register.
2249         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2250         thumb_find_work_register.  Only call df_get_live_out once.
2251         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2252         (thumb_find_work_register): Use
2253         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2254         algorithms to locate a spare call clobbered reg.
2255
2256 2019-05-09  Martin Liska  <mliska@suse.cz>
2257
2258         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2259         and MAX_EXPR in GIMPLE FE format.
2260
2261 2019-05-09  Martin Liska  <mliska@suse.cz>
2262
2263         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2264         * gimple-pretty-print.c (dump_gimple_bb_header):
2265         Dump BB count.
2266         (pp_cfg_jump): Dump edge probability.
2267         * profile-count.c (profile_quality_as_string): Simplify
2268         with a static array.
2269         (parse_profile_quality): New function.
2270         (profile_count::dump): Simplify with a static array.
2271         (profile_count::from_gcov_type): Add new argument.
2272         * profile-count.h (parse_profile_quality): Likewise.
2273         * predict.h (set_hot_bb_threshold): New.
2274         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2275         New param.
2276         * predict.c (get_hot_bb_threshold): Set from the new param.
2277         (set_hot_bb_threshold): New.
2278
2279 2019-05-09  Richard Biener  <rguenther@suse.de>
2280
2281         PR tree-optimization/90395
2282         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2283         rewrite vector stores that throw internally.
2284
2285 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2286
2287         * cif-code.def (CHKP): Remove.
2288
2289         PR target/89221
2290         * configure.ac (--enable-frame-pointer): Disable by default for
2291         GNU systems.
2292         * configure: Regenerate.
2293
2294 2019-05-09  Alan Modra  <amodra@gmail.com>
2295
2296         PR target/89271
2297         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2298         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2299         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2300         cost for general <-> vsx when direct moves are available.
2301         Cost union classes at minimal cost for any reg in the class.
2302         Correct calculation for moves between vsx, float, and altivec.
2303         Don't return a low cost for moves between special regs.  Don't
2304         use hard coded register numbers.
2305         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2306         (rs6000_ira_change_pseudo_allocno_class): New function.
2307         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2308         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2309         alternatives.
2310         (movsi_internal1): Don't disparage vector alternatives.
2311         (mov<mode>_internal): Likewise, excepting alternative that
2312         will be split.
2313         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2314         we <- b alternative.
2315
2316 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2317
2318         PR c++/59813
2319         PR tree-optimization/89060
2320         * tree-ssa-live.h (live_vars_map): New typedef.
2321         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2322         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2323         (struct compute_live_vars_data): New type.
2324         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2325         live_vars_at_stmt, destroy_live_vars): New functions.
2326         * tree-tailcall.c: Include tree-ssa-live.h.
2327         (live_vars, live_vars_vec): New global variables.
2328         (find_tail_calls): Perform variable life analysis before punting.
2329         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2330         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2331         member.
2332         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2333         Perform variable life analysis to select variables that really need
2334         clobbers added.
2335         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2336         instead set id->eh_landing_pad_dest and assert it is the same.
2337         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2338
2339 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2340             Richard Earnshaw  <rearnsha@arm.com>
2341
2342         PR target/88167
2343         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2344         function.
2345         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2346         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2347         register if both the epilogue and prologue can use call-clobbered
2348         regs.
2349         (thumb1_unexpanded_epilogue): Use
2350         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2351         picking temporaries for restoring high regs to match that of the
2352         prologue where possible.
2353         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2354         the list of work registers.  Detect if the return address is still live
2355         at the end of the prologue and avoid using it for a work register if so.
2356         If the return address is not live, add LR to the list of pushable regs
2357         after the first pass.
2358
2359 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2360
2361         PR tree-optimization/90078
2362         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2363         (INFTY): Increase the value for infinite cost.
2364         (struct comp_cost): Promote type of members to int64_t.
2365         (infinite_cost): Don't set complexity in initialization.
2366         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2367         overflows to infinite_cost.
2368         (adjust_setup_cost): Promote type of parameter and cost computation
2369         to int64_t.
2370         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2371         int64_t.
2372         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2373         cost computation to int64_t.
2374         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2375         int64_t's format specifier in dump.
2376
2377 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2378
2379         PR tree-optimization/90240
2380         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2381         with respect to scaling factor pre-computed for each basic block.
2382         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2383         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2384         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2385         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2386         live range for array of loop's basic blocks.  Cleanup aux field of
2387         loop's basic blocks.
2388
2389 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2390
2391         PR tree-optimization/90356
2392         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2393
2394 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2395
2396         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2397         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2398         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2399         (ix86_handle_option): Handle -mavx512bf16.
2400         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2401         to extra_headers.
2402         * config/i386/avx512bf16vlintrin.h: New.
2403         * config/i386/avx512bf16intrin.h: New.
2404         * config/i386/cpuid.h (bit_AVX512BF16): New.
2405         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2406         * config/i386/i386-builtin-types.def: Add new types.
2407         * config/i386/i386-builtin.def: Add new builtins.
2408         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2409         __AVX512BF16__.
2410         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2411         (ix86_option_override_internal): Handle BF16.
2412         (ix86_valid_target_attribute_inner_p): Ditto.
2413         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2414         * config/i386/i386-builtin.c (enum processor_features): Add
2415         F_AVX512BF16.
2416         (static const _isa_names_table isa_names_table): Ditto.
2417         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2418         (PTA_AVX512BF16): Ditto.
2419         * config/i386/i386.opt: Add -mavx512bf16.
2420         * config/i386/immintrin.h: Include avx512bf16intrin.h
2421         and avx512bf16vlintrin.h.
2422         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2423         avx512f_cvtneps2bf16_<mode><mask_name>,
2424         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2425         * config/i386/subst.md (mask_half): Add new subst.
2426         * doc/invoke.texi: Document -mavx512bf16.
2427
2428 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2429
2430         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2431         Delete declaration.
2432         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2433         (rs6000_debug_legitimize_reload_address): Delete.
2434         (rs6000_legitimize_reload_address_ptr): Delete.
2435         (rs6000_option_override_internal): Adjust.
2436         (mem_operand_gpr): Adjust comment.
2437         (legitimate_lo_sum_address_p): Ditto.
2438         (rs6000_legitimize_reload_address): Delete.
2439         (rs6000_debug_legitimize_reload_address): Delete.
2440         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2441
2442 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2443
2444         PR target/89765
2445         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2446         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2447         to compute vector element selector for both constant and variable
2448         operands.
2449
2450 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2451
2452         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2453         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2454         ashrdi3_cvt using SWI48 mode iterator.
2455
2456 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2457
2458         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2459         (aarch64_<su>abd<mode>_3): Likewise.
2460         (*aarch64_<su>abd<mode>_3): New define_insn.
2461         (<sur>sad<vsi2qi>): New define_expand.
2462         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2463         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2464         (build_vect_cond_expr): Likewise.
2465
2466 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2467
2468         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2469         clobbers outside of accessible_reg_set.
2470         * config/i386/i386.c (ix86_conditional_register_usage):
2471         Disable register sets by clearing corresponding bits in
2472         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2473         call_used_regs and don't clear corresponding reg_names array members.
2474
2475 2019-05-07  Richard Biener  <rguenther@suse.de>
2476
2477         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2478         not specified still compute a comp_vectype for invariant
2479         compares.
2480
2481 2019-05-07  Richard Biener  <rguenther@suse.de>
2482
2483         PR tree-optimization/90316
2484         * tree-ssa-pre.c (translate_vuse_through_block): When
2485         same_valid is NULL do not bother to search for a virtual
2486         PHI continuation.
2487         (phi_translate_1): When operands changed we cannot keep
2488         the same value-number so do not bother to ask whether
2489         that's possible from translate_vuse_through_block.
2490
2491 2019-05-07  Martin Liska  <mliska@suse.cz>
2492
2493         * bitmap.c (bitmap_register): Come up with
2494         alloc_descriptor_max_uid and assign it for
2495         a new bitmap.
2496         (register_overhead): Use get_descriptor as
2497         a descriptor.
2498         (release_overhead): New.
2499         (bitmap_elem_to_freelist): Call it.
2500         (bitmap_elt_clear_from): Likewise.
2501         (bitmap_obstack_free): Likewise.
2502         (bitmap_move): Sensitively release memory.
2503         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2504         (bitmap_initialize): Initialize alloc_descriptor to zero.
2505         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2506
2507 2019-05-07  Richard Biener  <rguenther@suse.de>
2508
2509         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2510         we build a SLP node.  Remove max_size and limiting.
2511         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2512
2513 2019-05-07  Richard Biener  <rguenther@suse.de>
2514
2515         PR tree-optimization/90316
2516         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2517         limit by reference.
2518         (walk_non_aliased_vuses): Take walking limit argument.
2519         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2520         walking if it is reached instead of just counting.
2521         (get_continuation_for_phi): Likewise.
2522         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2523         limiting to the callback.
2524         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2525         (vn_reference_lookup_3): Likewise.
2526         (vn_reference_lookup_pieces): Likewise.
2527         (vn_reference_lookup): Likewise.
2528         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2529         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2530         (avail_exprs_stack::lookup_avail_expr): Likewise.
2531
2532 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2533
2534         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2535         for comparaible types in the second direction even if first one
2536         hits incomparable type.
2537
2538 2019-05-07  Richard Biener  <rguenther@suse.de>
2539
2540         PR lto/90369
2541         * lto-wrapper.c (debug_objcopy): Use the original filename
2542         including archive offset for the filename used for -save-temps.
2543
2544 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2545
2546         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2547         detection.
2548
2549 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2550
2551         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2552         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2553         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2554         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2555         (FRAME_POINTER_REGNUM): Change numbering.
2556         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2557         (alt_reg_names): Adjust.
2558         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2559         fixed.
2560         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2561         (DWARF_FRAME_REGISTERS): Delete.
2562         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2563         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2564         Adjust.
2565         (REG_ALLOC_ORDER): Adjust.
2566         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2567         (REG_CLASS_CONTENTS): Adjust.
2568         (RETURN_ADDR_RTX): Change comment.
2569         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2570         instead of 67.
2571         (REGISTER_NAMES): Adjust.
2572         (ADDITIONAL_REGISTER_NAMES): Adjust.
2573         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2574
2575 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2576
2577         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2578         Delete.
2579         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2580         (DWARF_FRAME_REGISTERS): Adjust.
2581         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2582         Adjust.
2583         (REG_ALLOC_ORDER): Adjust.
2584         (enum reg_class): Delete SPR_REGS.
2585         (REG_CLASS_NAMES): Delete SPR_REGS.
2586         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2587         (REGISTER_NAMES): Adjust.
2588         (ADDITIONAL_REGISTER_NAMES): Adjust.
2589         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2590         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2591         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2592         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2593         (htm_spr_regno): Delete.
2594         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2595         argument.
2596         (rs6000_dbx_register_number): Adjust.
2597
2598 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2599
2600         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2601
2602 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2603
2604         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2605         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2606
2607 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2608
2609         PR tree-optimization/88709
2610         PR tree-optimization/90271
2611         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2612         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2613         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2614         variable.
2615         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2616         of the store merging group is larger than
2617         PARAM_STORE_MERGING_MAX_SIZE parameter.
2618         (split_group): Add bzero_first argument.  If set, always emit first
2619         the first store which must be = {} of the whole area and then for the
2620         rest of the stores consider all zero bytes as paddings.
2621         (imm_store_chain_info::output_merged_store): Check if first store
2622         is = {} of the whole area and if yes, determine which setting of
2623         bzero_first for split_group gives smaller number of stores.  Adjust
2624         split_group callers.
2625         (lhs_valid_for_store_merging_p): Allow decls.
2626         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2627         no elts.
2628         (pass_store_merging::process_store): Likewise.
2629
2630 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2631
2632         PR target/89424
2633         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2634         handling of V1TImode.
2635
2636 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2637
2638         PR target/89221
2639         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2640         and enable_frame_pointer ...
2641         * configure.ac: ... here.  Update help strings for
2642         --enable-frame-pointer.
2643         * configure: Regenerate.
2644         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2645         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2646         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2647         (USE_X86_64_FRAME_POINTER): Ditto.
2648
2649 2019-05-06  Martin Liska  <mliska@suse.cz>
2650
2651         * config.gcc: Append to target_gtfiles and fix indentation.
2652
2653 2019-05-06  Richard Biener  <rguenther@suse.de>
2654
2655         PR tree-optimization/90358
2656         * tree-vect-stmts.c (get_group_load_store_type): Properly
2657         detect unused upper half of load.
2658         (vectorizable_load): Likewise.
2659
2660 2019-05-06  Richard Biener  <rguenther@suse.de>
2661
2662         PR tree-optimization/88828
2663         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2664         (simplify_vector_constructor): ...here.  Handle constants in
2665         the constructor.
2666
2667 2019-05-06  Richard Biener  <rguenther@suse.de>
2668
2669         PR tree-optimization/90328
2670         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2671         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2672         is valid in the loop nest before using it.
2673         (initialize_data_dependence_relation): Adjust.
2674         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2675         loop as loop-nest to dr_may_alias_p.
2676
2677 2019-05-06  Richard Biener  <rguenther@suse.de>
2678
2679         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2680
2681 2019-05-06  Richard Biener  <rguenther@suse.de>
2682
2683         PR tree-optimization/90316
2684         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2685         compute target on demand.
2686         (get_continuation_for_phi): Remove code walking stmts to
2687         get to a target virtual operand which could end up being
2688         quadratic.
2689
2690 2019-05-06  Martin Liska  <mliska@suse.cz>
2691
2692         PR sanitizer/90312
2693         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2694         when -mabi is selected to a non-default version.
2695
2696 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2697             Martin Liska  <mliska@suse.cz>
2698
2699         * Makefile.in: Add lto-dump.texi.
2700         * cgraph.h: Add new functions get_visibility_string and
2701         get_symtab_type_string.
2702         * doc/gcc.texi: Include lto-dump section.
2703         * doc/lto-dump.texi: New file.
2704         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2705         (parse_dump_option): Factor out this function.
2706         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2707         (parse_dump_option): Export the function.
2708         * symtab.c (symtab_node::get_visibility_string): New function.
2709         (symtab_node::get_symtab_type_string): Likewise.
2710
2711 2019-05-06  Martin Liska  <mliska@suse.cz>
2712
2713         * config/i386/i386-builtins.c: New file.
2714         * config/i386/i386-builtins.h: New file.
2715         * config/i386/i386-expand.c: New file.
2716         * config/i386/i386-expand.h: New file.
2717         * config/i386/i386-features.c: New file.
2718         * config/i386/i386-features.h: New file.
2719         * config/i386/i386-options.c: New file.
2720         * config/i386/i386-options.h: New file.
2721         * config.gcc: Add new files into extra_objs and
2722         target_gtfiles.
2723         * config/i386/i386.c: Split content of the file
2724         into newly introduced files.
2725         * config/i386/i386.h: Declare common variables
2726         and macros.
2727         * config/i386/t-i386: Define dependencies for new files.
2728
2729 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2730
2731         PR target/89400
2732         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2733         Restrict 'all' variant to 32-bit configurations.
2734         (unaligned_loadhiu): Likewise.
2735         (unaligned_storehi): Likewise.
2736         (unaligned_storesi): Likewise.
2737         (unaligned_loadhis): Disable when compiling for thumb1.
2738
2739 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2740
2741         PR tree-optimization/90269
2742         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2743         Ignore clobbers.
2744
2745 2019-05-03  Martin Liska  <mliska@suse.cz>
2746
2747         * hash-map.h: Add is_empty function.
2748         * hash-set.h: Likewise.
2749         * hash-table.h: Likewise.
2750         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2751         elements () == 0 (and similar usages).
2752         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2753         * gimplify.c (gimplify_bind_expr): Likewise.
2754         (gimplify_switch_expr): Likewise.
2755         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2756         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2757         * postreload-gcse.c (dump_hash_table): Likewise.
2758         (gcse_after_reload_main): Likewise.
2759         * predict.c (combine_predictions_for_bb): Likewise.
2760         * tree-parloops.c (reduction_phi): Likewise.
2761         (separate_decls_in_region): Likewise.
2762         (transform_to_exit_first_loop): Likewise.
2763         (gen_parallel_loop): Likewise.
2764         (gather_scalar_reductions): Likewise.
2765         (try_create_reduction_list): Likewise.
2766         * var-tracking.c (dump_vars): Likewise.
2767         (emit_notes_for_changes): Likewise.
2768         (vt_emit_notes): Likewise.
2769
2770 2019-05-03  Richard Biener  <rguenther@suse.de>
2771
2772         PR tree-optimization/90316
2773         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2774         before running VN.
2775
2776 2019-05-03  Richard Biener  <rguenther@suse.de>
2777
2778         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2779         peeling for gaps by loading only lower halves of vectors
2780         if possible.
2781         (vectorizable_load): Likewise.
2782
2783 2019-05-03  Richard Biener  <rguenther@suse.de>
2784
2785         PR middle-end/89518
2786         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2787
2788 2019-05-03  Richard Biener  <rguenther@suse.de>
2789
2790         PR middle-end/87314
2791         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2792         Handle STRING_CST vs DECL or STRING_CST.
2793
2794 2019-05-03  Richard Biener  <rguenther@suse.de>
2795
2796         PR tree-optimization/88963
2797         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2798         vector loads feeding only BIT_FIELD_REFs to component
2799         loads.  Rewrite stores fed by CONSTRUCTORs to component
2800         stores.
2801
2802 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2803
2804         * opts.h (finish_options): Remove lang_mask argument.
2805         (print_help, help_option_argument): Declare.
2806         * opts.c (print_help): Remove forward declaration, no longer static.
2807         (finish_options): Remove lang_mask argument, don't call print_help
2808         here.
2809         * opts-global.c (decode_options): Adjust finish_option caller, call
2810         print_help here.
2811
2812         PR tree-optimization/90303
2813         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2814         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2815
2816 2019-05-03  Richard Biener  <rguenther@suse.de>
2817
2818         PR tree-optimization/89698
2819         * gimple-fold.c (canonicalize_constructor_val): Early out
2820         for constants, handle unfolded INTEGER_CSTs as they appear in
2821         C++ virtual table ctors.
2822
2823 2019-05-03  Richard Biener  <rguenther@suse.de>
2824
2825         * passes.c (execute_function_todo): Remove dead code.
2826
2827 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2828
2829         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2830         the internal register number, for any "real" register.
2831
2832 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2833
2834         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2835         correct numbers for TFHAR, TFIAR, TEXASR.
2836
2837 2019-05-02  Richard Biener  <rguenther@suse.de>
2838
2839         PR tree-optimization/89653
2840         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2841         update-address-taken before the pass.
2842         * passes.def (pass_tree_loop_init): Put comment before it.
2843
2844 2019-05-02  Richard Biener  <rguenther@suse.de>
2845
2846         PR tree-optimization/89509
2847         * tree-ssa-structalias.c (compute_dependence_clique): Look
2848         at the first subvar when determining whether it is restrict.
2849
2850 2019-05-02  Richard Biener  <rguenther@suse.de>
2851
2852         PR tree-optimization/90273
2853         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2854         useless debug stmts.
2855
2856 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2857
2858         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2859         ACLE branch.
2860         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2861         SVE ACLE branch.
2862         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2863         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2864         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2865         (vectorizable_reduction): Use the functions above to vectorize in a
2866         fully masked loop codes that don't have a conditional internal
2867         function.
2868
2869 2019-05-02  Martin Liska  <mliska@suse.cz>
2870
2871         * cgraphclones.c: Call valid_attribute_p with 1 for
2872         target_clone.
2873         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2874         it's for target attribute.
2875         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2876         Add new boolean argument.
2877         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2878         Likewise.
2879         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2880         to ix86_valid_target_attribute_inner_p.
2881         (ix86_valid_target_attribute_p): Pass flags argument to
2882         ix86_valid_target_attribute_inner_p.
2883         (get_builtin_code_for_version): Use 0 as it's target attribute.
2884
2885 2019-05-02  Martin Liska  <mliska@suse.cz>
2886
2887         * gcc.c (process_command): Add dummy file only
2888         if n_infiles == 0.
2889         * opts-global.c (decode_options): Pass lang_mask.
2890         * opts.c (print_help): New function.
2891         (finish_options): Print --help if help_option_argument
2892         is set.
2893         (common_handle_option): Factor out content of OPT__help_
2894         into print_help.
2895         * opts.h (finish_options): Add new argument.
2896
2897 2019-05-02  Martin Liska  <mliska@suse.cz>
2898
2899         PR target/88809
2900         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2901         With -minline-all-stringops use inline expansion using 4B loop.
2902         * doc/invoke.texi: Document the change of
2903         -minline-all-stringops.
2904
2905 2019-05-01  Jeff Law  <law@redhat.com>
2906
2907         PR tree-optimization/88797
2908         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2909         PHI feeds a conditional on the RHS of an assignment.
2910
2911 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2912             Jim Wilson  <jimw@sifive.com>
2913
2914         * config/riscv/constraints.md (L): New.
2915         * config/riscv/predicates.md (lui_operand): New.
2916         (sfb_alu_operand): New.
2917         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2918         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2919         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2920         * config/riscv/risc.md (type): Add sfb_alu.
2921         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2922         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2923         (branch_zero<mode>): Delete.
2924         (mov<mode>cc): New.
2925         (mov<GPR:mode><X:mode>cc): Likewise.
2926         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2927
2928 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2929
2930         * tree.h (MARK_TS_EXP): New.
2931
2932 2019-04-30  Martin Liska  <mliska@suse.cz>
2933
2934         * opts.c (enable_warning_as_error): Provide hints
2935         for unknown options.
2936
2937 2019-04-30  Martin Liska  <mliska@suse.cz>
2938
2939         PR debug/90288
2940         * doc/invoke.texi: Add missing dash for gas-locview-support
2941         and gno-as-locview-support.
2942
2943 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2944
2945         PR target/89093
2946         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2947         whitespace at the start of target attribute string.
2948
2949 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2950
2951         PR target/86538
2952         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2953         Define __ARM_FEATURE_ATOMICS.
2954
2955 2019-04-30  Martin Liska  <mliska@suse.cz>
2956
2957         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2958         into built_in_function enum. Remove code for endp == 2 and
2959         use BUILT_IN_* constants.
2960         (gimple_fold_builtin): Call the function with fcode.
2961
2962 2019-04-30  Martin Liska  <mliska@suse.cz>
2963
2964         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2965         DECL_FUNCTION_CODE into ix86_builtins enum before
2966         the switch statement.
2967
2968 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2969
2970         PR tree-optimization/89475
2971         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2972         calls.
2973
2974 2019-04-30  Martin Liska  <mliska@suse.cz>
2975
2976         PR translation/90274
2977         * opts.c (print_filtered_help): Wrap string in _(...).
2978
2979 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2980
2981         PR tree-optimization/90240
2982         Revert:
2983         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2984
2985         PR tree-optimization/90078
2986         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2987         checks for infinite_cost overflow.
2988
2989 2019-04-29  Jeff Law  <law@redhat.com>
2990
2991         * passes.def: Move -Wrestrict pass after copy propagation.
2992
2993 2019-04-29  Maya Rashish  <coypu@sdf.org>
2994
2995         * config.gcc (default_gnu_indirect_function): Default to yes
2996         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2997         sparc*-*-netbsd*, x86_64-*-netbsd*.
2998
2999 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3000
3001         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3002         where cond2 is NE_EXPR.
3003         (is_value_included_in): Update comment.
3004
3005 2019-04-29  Richard Biener  <rguenther@suse.de>
3006
3007         PR tree-optimization/90278
3008         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3009         EH on comparison simplification.
3010
3011 2019-04-29  Jason Merrill  <jason@redhat.com>
3012
3013         PR c++/82081 - tail call optimization breaks noexcept
3014         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3015         nothrow function to a might-throw function into a tail call.
3016
3017 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3018
3019         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3020         (DDR_INNER_LOOP): Likewise.
3021         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3022         (initialize_data_dependence_relation): Likewise.
3023         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3024
3025 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3026
3027         PR rtl-optimization/90257
3028         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3029         return value.
3030
3031         Revert the revert:
3032         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3033
3034         PR target/90178
3035         Revert:
3036         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3037
3038         Revert the revert:
3039         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3040
3041         Revert:
3042         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3043
3044         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3045
3046 2019-04-29  Richard Biener  <rguenther@suse.de>
3047
3048         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3049         rhs issue a reset.
3050
3051 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3052
3053         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3054         varasm.h, and netbsd-protos.h.
3055
3056 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3057
3058         PR target/89261
3059         * config/i386/i386-protos.h (ix86_data_alignment): Change
3060         the second argument type to unsigned int.
3061         * config/i386/i386.c (ix86_data_alignment): Change "align"
3062         argument type to unsigned int.
3063
3064 2019-04-27  Martin Liska  <mliska@suse.cz>
3065
3066         PR middle-end/90258
3067         * opt-suggestions.c (option_proposer::build_option_suggestions):
3068         When get_valid_option_values returns empty values, add the
3069         misspelling candidate.
3070
3071 2019-04-26  Jim Wilson  <jimw@sifive.com>
3072
3073         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3074         parameter.
3075         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3076         Pass orig_mode to riscv_build_integer.
3077         (riscv_split_integer): Pass mode to riscv_move_integer.
3078         (riscv_legitimize_const_move): Likewise.
3079         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3080         promoted_mode.  Replace force_reg call with code to load constant into
3081         promoted reg and then subreg it for the store.
3082         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3083         riscv_move_integer.
3084
3085 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3086
3087         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3088         corrupt codes.
3089
3090 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3091
3092         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3093         commentary about the encoding of precision.
3094
3095 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3096
3097         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3098         * config/i386/t-freebsd64: New file.
3099         * config.gcc: Add the t-freebsd64 for multilib support.
3100
3101 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3102
3103         * doc/extend.texi (vector_size): Add missing comma after @xref.
3104
3105 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3106
3107         * BASE-VER: Set to 10.0.0.
3108
3109 2019-04-25  Richard Biener  <rguenther@suse.de>
3110
3111         PR middle-end/89765
3112         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3113         VIEW_CONVERT_EXPR into one operating on an rvalue.
3114
3115 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3116
3117         PR target/89929
3118         * config/i386/i386.c (feature_priority): Moved to file scope.
3119         (processor_features): Likewise.
3120         (processor_model): Likewise.
3121         (_arch_names_table): Likewise.
3122         (arch_names_table): Likewise.
3123         (_feature_list): Removed.
3124         (feature_list): Likewise.
3125         (_isa_names_table): Moved to file scope.  Add priority.
3126         (isa_names_table): Likewise.
3127         (get_builtin_code_for_version): Replace feature_list with
3128         isa_names_table.  Update error message for P_ZERO priority.
3129
3130 2019-04-25  Richard Biener  <rguenther@suse.de>
3131
3132         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3133         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3134
3135 2019-04-24  Jeff Law  <law@redhat.com>
3136
3137         PR tree-optimization/90037
3138         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3139         * passes.def: Replace all instance of phi-only cprop with the
3140         lattice propagator.  Move propagation pass from after erroneous
3141         path isolation to before erroneous path isolation.
3142         * tree-ssa-phionlycprop.c: Remove.
3143
3144 2019-04-24  Richard Biener  <rguenther@suse.de>
3145
3146         PR middle-end/90213
3147         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3148         by size and BITS_PER_UNIT on poly-wide-ints.
3149
3150 2019-04-25  Richard Biener  <rguenther@suse.de>
3151
3152         PR middle-end/90194
3153         * match.pd: Add pattern to simplify view-conversion of an
3154         empty constructor.
3155
3156 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3157
3158         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3159         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3160         for Go on 32 bit AIX.
3161         * config/rs6000/aix72.h: Likewise.
3162
3163 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3164
3165         PR target/90193
3166         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3167         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3168
3169 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3170
3171         PR target/89952
3172         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3173         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3174         for restored hard frame pointer.
3175         (s390_sched_dependencies_evaluation): Implement new target hook.
3176         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3177
3178 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3179
3180         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3181         * config/arc/arc.c (arc_init): Cleanup warning message.
3182         (arc_override_options): Likewise.
3183
3184 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3185
3186         PR target/90187
3187         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3188         a register if both if_true and if_false are MEMs.
3189
3190         PR tree-optimization/90208
3191         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3192         after labels of new_bb, not before them.
3193
3194         PR tree-optimization/90211
3195         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3196         which are not SSA_NAMEs.
3197
3198 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3199
3200         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3201         AArch64.
3202         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3203
3204 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3205
3206         PR rtl-optimization/87979
3207         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3208         not equal zero.
3209
3210 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3211
3212         PR rtl-optimization/84032
3213         * modulo-sched.c (ps_insn_find_column): Change condition so that
3214         branch will always be the last insn in a row inside partial
3215         schedule.
3216
3217 2019-04-23  Richard Biener  <rguenther@suse.de>
3218
3219         PR debug/90131
3220         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3221         dest_single_pred_p argument.
3222         (remove_forwarder_block): Adjust.
3223         (remove_forwarder_block_with_phi): Likewise.
3224
3225 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3226             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3227             Jakub Jelinek  <jakub@redhat.com>
3228
3229         PR target/89093
3230         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3231         if used with general-regs-only.
3232         (arm_conditional_register_usage): Don't add non-general regs if
3233         general-regs-only.
3234         (arm_valid_target_attribute_rec): Handle general-regs-only.
3235         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3236         general-regs-only.
3237         (TARGET_HARD_FLOAT_SUB): Define.
3238         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3239         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3240         (TARGET_REALLY_IWMMXT2): Likewise.
3241         * config/arm/arm.opt: Add -mgeneral-regs-only.
3242         * doc/extend.texi: Document ARM general-regs-only target.
3243         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3244
3245 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3246
3247         PR tree-optimization/90078
3248         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3249         checks for infinite_cost overflow.
3250
3251 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3252
3253         PR tree-optimization/90021
3254         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3255         and check univariate against it.
3256         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3257         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3258
3259 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3260
3261         PR target/90178
3262         Revert:
3263         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3264
3265         Revert the revert:
3266         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3267
3268         Revert:
3269         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3270
3271         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3272
3273 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3274
3275         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3276         names using operand format, rather than hard-wired.
3277         (speculation_barrier): Likewise.
3278
3279 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3280
3281         PR tree-optimization/88055
3282         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3283         (gen_one_condition): Use it if !HONOR_NANS.
3284
3285 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3286
3287         PR middle-end/90139
3288         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3289         assign_temp instead of gen_reg_rtx.
3290
3291 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3292
3293         PR translation/90118
3294         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3295         Add missing space before %<.
3296
3297 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3298
3299         PR rtl-optimization/87871
3300         * ira-lives.c (make_object_dead): Don't add conflicts to
3301         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3302
3303 2019-04-18  Martin Sebor  <msebor@redhat.com>
3304
3305         PR middle-end/89797
3306         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3307         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3308         assuming type size fits in SHWI.
3309
3310 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3311
3312         PR ipa/85051
3313         * ipa-inline.c (flatten_function): New parameter UPDATE.
3314         (ipa_inline, early_inliner): Use it.
3315
3316 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3317
3318         * fold-const.c (int_const_binop): Return early on failure.
3319
3320 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3321
3322         PR middle-end/85164
3323         * combine.c (force_int_to_mode): Cast the argument rather than
3324         the result of known_alignment.
3325         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3326
3327 2019-04-18  Richard Biener  <rguenther@suse.de>
3328
3329         PR debug/90131
3330         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3331         out from ...
3332         (remove_forwarder_block): ... here.
3333         (remove_forwarder_block_with_phi): Also move debug stmts here.
3334
3335 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3336
3337         PR translation/79183
3338         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3339         inform where appropriate.
3340
3341 2019-04-18  Richard Biener  <rguenther@suse.de>
3342
3343         * tree.c (get_qualified_type): Put found type variants at the
3344         head of the variant list.
3345
3346 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3347
3348         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3349
3350 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3351
3352         PR target/90125
3353         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3354         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3355         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3356         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3357         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3358
3359 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3360
3361         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3362         even for allocno's with no conflicts.
3363         (print_conflicts): Print an extra newline.
3364
3365 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3366
3367         * auto-inc-dec.c (attempt_change): Set the alignment of the
3368         temporary memory to that of the original.
3369
3370 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3371
3372         * targhooks.c (default_print_patchable_function_entry): Emit
3373         __patchable_function_entries section with writable flags to allow
3374         relocation resolution.
3375
3376 2019-04-17  Jonny Grant  <jg@jguk.org>
3377
3378         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3379
3380 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3381
3382         PR middle-end/90095
3383         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3384         on lowpart SUBREGs.
3385
3386 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3387
3388         * config/arc/arc.c (arc_init): Format diagnostic string.
3389         (arc_override_options): Likewise.
3390         (check_if_valid_regno_const): Likewise.
3391         (arc_reorg): Likewise.
3392
3393 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3394
3395         PR target/17108
3396         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3397         name.
3398         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3399         name.
3400         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3401         (*movdi_update1): Use Pmode.
3402         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3403         (movdi_<mode>_update_stack): Rename to ...
3404         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3405         use Pmode.
3406         (*movsi_update1): Use Pmode.
3407         (*movsi_update2): Use Pmode.
3408         (movsi_update): Rename to ...
3409         (movsi_<mode>_update): ... this.  Use Pmode.
3410         (movsi_update_stack): Fix condition.
3411         (*movhi_update1): Use Pmode.  Fix argument to
3412         avoiding_indexed_address_p.
3413         (*movhi_update2): Ditto.
3414         (*movhi_update3): Ditto.
3415         (*movhi_update4): Ditto.
3416         (*movqi_update1): Ditto.
3417         (*movqi_update2): Ditto.
3418         (*movqi_update3): Ditto.
3419         (*movsf_update1, *movdf_update1): Merge, rename to...
3420         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3421         avoiding_indexed_address_p.  Add "size" attribute.
3422         (*movsf_update2, *movdf_update2): Merge, rename to...
3423         (*mov<mode>_update2): This.  Ditto.
3424         (*movsf_update3): Use Pmode.  Fix argument to
3425         avoiding_indexed_address_p.
3426         (*movsf_update4): Ditto.
3427         (allocate_stack): Simplify condition.  Adjust pattern names.
3428
3429 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3430
3431         PR target/89093
3432         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3433         whitespace at the start of target attribute string.
3434
3435 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3436
3437         PR target/84369
3438         * config/rs6000/power9.md: Add store forwarding bypass.
3439
3440 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3441
3442         PR debug/89528
3443         * valtrack.c (dead_debug_insert_temp): Reset debug references
3444         to the return value of a call being removed.
3445
3446 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3447
3448         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3449         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3450         implement target hook.
3451         (arc_memory_move_cost): New function.
3452         (TARGET_REGISTER_MOVE_COST): Define.
3453         (TARGET_MEMORY_MOVE_COST): Likewise.
3454         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3455         (MEMORY_MOVE_COST): Likewise.
3456
3457 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3458
3459         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3460         (sibcall_value_insn): Likewise.
3461         * config/arc/constraints.md (Rs5): Remove.
3462
3463 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3464
3465         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3466         for last two fake registers.
3467         (arc_conditional_register_usage): Make sure fake frame and arg
3468         pointer regs are in general regs class.
3469         (FRAME_POINTER_MASK): Remove.
3470         (RETURN_ADDR_MASK): Remove.
3471         (arc_must_save_register): Use hard frame regnum.
3472         (frame_restore_reg): Use hard_frame_pointer_rtx.
3473         (arc_save_callee_saves): Likewise.
3474         (arc_restore_callee_saves): Likewise.
3475         (arc_save_callee_enter): Likewise.
3476         (arc_restore_callee_leave): Likewise.
3477         (arc_save_callee_milli): Likewise.
3478         (arc_eh_return_address_location): Likewise.
3479         (arc_check_multi): Use hard frame regnum.
3480         (arc_can_eliminate): Likewise.
3481         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3482         for register allocator.
3483         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3484         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3485         (FRAME_POINTER_REGNUM): Change it to a fake register.
3486         (HARD_FRAME_POINTER_REGNUM): Defined.
3487         (ARG_POINTER_REGNUM): Change it to a new fake register.
3488         (ELIMINABLE_REGS): Update.
3489         (REGISTER_NAMES): Update names.
3490         * config/arc/arc.md (LP_START): Remove.
3491         (LP_END): Likewise.
3492         (shift_si3_loop): Update pattern.
3493
3494 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3495
3496         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3497         to avoid delay slot scheduling.
3498         (arc_must_save_register): Don't save SP.
3499         * config/arc/arc.md (stack_tie): Remove.
3500         (UNSPEC_ARC_STKTIE): Likewise.
3501
3502 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3503             Shiva Chen  <shiva0217@gmail.com>
3504
3505         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3506         code gen with large shift amount.
3507
3508 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3509
3510         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3511         subreg.
3512
3513 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3514
3515         PR target/90096
3516         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3517         print -m64/-mx32/-m32 if it is true.
3518         (ix86_debug_options, ix86_function_specific_print): Pass true as
3519         ADD_ABI_P to ix86_target_string.
3520         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3521         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3522         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3523
3524         PR rtl-optimization/90082
3525         * dce.c (can_delete_call): New function.
3526         (deletable_insn_p, mark_insn): Use it.
3527
3528         PR tree-optimization/90090
3529         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3530         throw internally.
3531         (is_division_by_square): Likewise.  Formatting fix.
3532
3533 2019-04-16  Richard Biener  <rguenther@suse.de>
3534
3535         PR tree-optimization/56049
3536         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3537         equality check if alias-set zero will prevail.
3538
3539 2019-04-15  Jeff Law  <law@redhat.com>
3540
3541         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3542         size and alignment as unsigned.
3543
3544 2019-04-15  Richard Biener  <rguenther@suse.de>
3545
3546         PR debug/90074
3547         * tree-loop-distribution.c (destroy_loop): Preserve correct
3548         debug info.
3549
3550 2019-04-15  Richard Biener  <rguenther@suse.de>
3551
3552         PR tree-optimization/90071
3553         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3554         abnormal operands from def stmts.
3555
3556 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3557
3558         PR rtl-optimization/89794
3559         * combine.c (count_auto_inc): New function.
3560         (try_combine): Count how many auto_inc expressions there were in the
3561         original instructions.  Ensure we have the same number in the new
3562         instructions.  Remove the code that tried to ensure auto_inc side
3563         effects on i1 and i0 are not lost.
3564
3565 2019-04-15  Richard Biener  <rguenther@suse.de>
3566
3567         PR ipa/88936
3568         * tree.h (auto_var_p): Declare.
3569         * tree.c (auto_var_p): New function, split out from ...
3570         (auto_var_in_fn_p): ... here.
3571         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3572         member.
3573         (new_var_info): Initialize it.
3574         (set_uids_in_ptset): Also set the shadow variable uid if required.
3575         (ipa_pta_execute): Postprocess points-to solutions assigning
3576         shadow variable uids for locals that may reach their containing
3577         function recursively.
3578         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3579         assert but instead check whether the points-to solution is
3580         a singleton.
3581
3582 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3583
3584         PR ipa/pr89693
3585         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3586         the thunk chain.
3587
3588 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3589
3590         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3591
3592 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3593             Kito Cheng  <kito.cheng@gmail.com>
3594             Shiva Chen  <shiva0217@gmail.com>
3595
3596         * config/nds32/nds32-md-auxiliary.c
3597         (nds32_legitimize_pic_address): Use new PIC pattern.
3598         (nds32_legitimize_tls_address): Use new TLS pattern.
3599         (nds32_output_symrel): New.
3600         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3601         (nds32_alloc_relax_group_id): Ditto.
3602         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3603         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3604         relax_group_id.
3605         (nds32_group_tls_insn): Ditto.
3606         (nds32_group_float_insns): Ditto.
3607         * config/nds32/nds32.md (tls_le): New.
3608         (sym_got): Ditto.
3609
3610 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3611
3612         * configure: Add nds32 target for dwarf2 debug_line checking.
3613         * configure.ac: Regenerated.
3614
3615 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3616
3617         PR lto/89358
3618         * ipa-devirt.c (skip_in_fields_list_p): New.
3619         (odr_types_equivalent_p): Use it.
3620
3621 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3622
3623         PR target/89093
3624         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3625         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3626
3627 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3628
3629         * doc/install.texi: Document --with-target-system-zlib.
3630
3631 2019-04-12  Martin Sebor  <msebor@redhat.com>
3632
3633         PR c/88383
3634         PR c/89288
3635         PR c/89798
3636         PR c/89797
3637         * targhooks.c (default_vector_alignment): Avoid assuming
3638         argument fits in SHWI.
3639         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3640         a shift expression.
3641         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3642
3643 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3644
3645         PR rtl-optimization/89965
3646         * dce.c: Include rtl-iter.h.
3647         (struct check_argument_load_data): New type.
3648         (check_argument_load): New function.
3649         (find_call_stack_args): Check for loads from stack slots still tracked
3650         in sp_bytes and punt if any is found.
3651
3652         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3653
3654 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3655
3656         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3657         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3658
3659 2019-04-12  Martin Liska  <mliska@suse.cz>
3660
3661         PR middle-end/89970
3662         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3663         in error message.
3664         (separate_attrs): Handle multiple 'default's.
3665         (expand_target_clones): Rework error handling code.
3666
3667 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3668
3669         PR target/87532
3670         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3671         mode of vector rather than mode of destination for move instruction.
3672         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3673         Use QI inner mode with V16QI vector mode.
3674
3675 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3676
3677         PR target/52726
3678         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3679         "invalid %%t operand" in output_operand_lossage message.
3680
3681 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3682
3683         * config/s390/predicates.md (permute_pattern_operand): New
3684         predicate.
3685         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3686         operand for the permute pattern.
3687         ("*vec_perm<mode>"): New insn definition.
3688         ("bswap<mode>"): Generate the permute pattern operand in the
3689         expander and perform the operand reloads for pre arch13 level
3690         already.
3691         ("*bswap<mode>_emu"): Rename to ...
3692         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3693         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3694         Add the USE operand for the permute pattern.
3695         ("*vec_set_bswap_vec<mode>"): Likewise.
3696
3697 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3698
3699         PR c/89946
3700         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3701         and gcc_unreachable if it fails, just call tree_to_uhwi which
3702         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3703         Start warning message with a lower-case letter.  Formatting fixes.
3704
3705         PR rtl-optimization/90026
3706         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3707         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3708         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3709         in cfglayout mode, use emit_barrier_after_bb.
3710
3711 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3712
3713         PR rtl-optimization/87763
3714         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3715         New Instruction.
3716
3717 2019-04-11  Tom de Vries  <tdevries@suse.de>
3718
3719         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3720         max macro using statement expression.
3721
3722 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3723
3724         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3725         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3726         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3727         read_only_private_data_section using xcoff_private_rodata_section_name.
3728         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3729
3730 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3731
3732         PR target/90016
3733         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3734
3735 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3736
3737         PR rtl-optimization/89965
3738         * dce.c (sp_based_mem_offset): New function.
3739         (find_call_stack_args): Use sp_based_mem_offset.
3740
3741 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3742
3743         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3744
3745 2019-04-11  Richard Biener  <rguenther@suse.de>
3746
3747         PR tree-optimization/90020
3748         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3749         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3750         * tree-ssa-pre.c (compute_avail): Use it to not put
3751         possibly trapping references after a call that might not
3752         return into EXP_GEN.
3753         * gcse.c (compute_hash_table_work): Do not elide
3754         marking a block containing a call if the call might not
3755         return.
3756
3757 2019-04-11  Richard Biener  <rguenther@suse.de>
3758
3759         PR tree-optimization/90018
3760         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3761         Test both SLP and interleaving variants.
3762
3763 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3764
3765         * config/s390/8561.md: New file.
3766         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3767         Add arch13 cpu model.
3768         * config/s390/s390-opts.h (enum processor_type): Likewise.
3769         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3770         (s390_get_unit_mask): Likewise.
3771         (s390_is_fpd): Likewise.
3772         (s390_is_fxd): Likewise.
3773         * config/s390/s390.h (s390_tune_attr): Likewise.
3774         * config/s390/s390.md: Include arch13 pipeline description.
3775         * config/s390/s390.opt: Add arch13.
3776
3777 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3778
3779         PR rtl-optimization/87763
3780         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3781         New prototype.
3782         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3783         New function.
3784         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3785         New instruction.
3786         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3787         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3788         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3789         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3790
3791 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3792
3793         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3794         "Although" in -fipa-icf documentation.
3795
3796         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3797         of using multiple -g options.
3798
3799 2019-04-10  Martin Liska  <mliska@suse.cz>
3800
3801         PR gcov-profile/89959
3802         * doc/gcov.texi: Make documentation of -x option
3803         more precise.
3804
3805 2019-04-10  Richard Biener  <rguenther@suse.de>
3806
3807         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3808         member.
3809         (DR_GROUP_SAME_DR_STMT): Remove.
3810         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3811         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3812         replace with assert.
3813         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3814         (vect_record_grouped_load_vectors): Remove unreachable code.
3815
3816 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3817
3818         PR target/90016
3819         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3820         obsolete reference to N.
3821
3822 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3823
3824         PR middle-end/90025
3825         * expr.c (store_expr): Set properly size on the MEM passed to
3826         clear_storage.
3827
3828         PR c++/90010
3829         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3830         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3831         translation is needed, and when translation is needed, only append
3832         ... if the string length is hostsz or more bytes long.  Avoid using
3833         strncpy or strcat.
3834
3835 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3836
3837         PR target/90024
3838         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3839         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3840         into three.
3841         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3842         differences directly.
3843         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3844
3845 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3846
3847         PR translation/90011
3848         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3849         from diagnostics.
3850         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3851         diagnostics.
3852         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3853         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3854         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3855         trailing space from -gsplit-dwarf diagnostics.
3856
3857         PR tree-optimization/89998
3858         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3859         instead of integer_type_node if possible, don't add ranges if return
3860         type is not compatible with int.
3861         * gimple-fold.c (gimple_fold_builtin_sprintf,
3862         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3863         integer_type_node.
3864
3865 2019-04-09  Martin Liska  <mliska@suse.cz>
3866
3867         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3868         * doc/install.texi: Document the new config.
3869
3870 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3871
3872         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3873         use gimple_expr_type for load and store calls.  Skip over the
3874         condition argument in a conditional internal function.
3875         Protect use of TREE_INT_CST_LOW.
3876
3877 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3878
3879         PR target/90015
3880         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3881         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3882         trailing period from it too.
3883
3884 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3885
3886         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3887         * config/aarch64/aarch64.md : Add "tsv110.md"
3888         * config/aarch64/tsv110.md: New file.
3889
3890 2019-04-08  Richard Biener  <rguenther@suse.de>
3891
3892         PR tree-optimization/90006
3893         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3894         calls like lrint.
3895
3896 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3897
3898         PR target/83033
3899         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3900         construction.
3901         (fma_root_node): Likewise.
3902         (func_fma_steering): Likewise.
3903
3904 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3905
3906         PR rtl-optimization/89865
3907         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3908
3909         PR rtl-optimization/89865
3910         * config/i386/i386.md
3911         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3912         numbers not to clash with the additional operands[4].
3913         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3914         with extra register copy in the middle.
3915
3916 2019-04-08  Martin Liska  <mliska@suse.cz>
3917
3918         PR gcov-profile/89961
3919         * doc/gcov.texi: Document data_file.
3920         * gcov.c (generate_results): Add data_info into JSON output.
3921
3922 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3923
3924         PR tree-optimization/89725
3925         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3926         loop's chrec as invariant symbol.
3927         * tree-chrec.h (chrec_contains_symbols): New parameter.
3928         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3929         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3930         function of loops not in DDR's loop_nest.
3931         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3932
3933 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3934
3935         PR target/89623
3936         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3937         Mask.
3938
3939 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3940
3941         PR target/89945
3942         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3943         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3944
3945 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3946
3947         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3948         targetm.fixed_condition_code_regs.
3949
3950 2019-04-05  Richard Biener  <rguenther@suse.de>
3951
3952         PR debug/89892
3953         PR debug/89905
3954         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3955         debug bind stmts but reset them if they are not valid at the
3956         destination.
3957
3958 2019-04-05  Martin Liska  <mliska@suse.cz>
3959
3960         PR translation/89936
3961         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3962         order to wrap keywords or arguments.
3963         * collect2.c (main): Likewise.
3964         (scan_prog_file): Likewise.
3965         (scan_libraries): Likewise.
3966         * common/config/riscv/riscv-common.c
3967         (riscv_subset_list::parsing_subset_version): Likewise.
3968         (riscv_subset_list::parse_std_ext): Likewise.
3969         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3970         Likewise.
3971         * config/arm/arm.c (arm_option_override): Likewise.
3972         * config/cris/cris.c (cris_print_operand): Likewise.
3973         * config/darwin-c.c (darwin_pragma_options): Likewise.
3974         (darwin_pragma_unused): Likewise.
3975         (darwin_pragma_ms_struct): Likewise.
3976         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3977         * config/i386/i386.c (print_reg): Likewise.
3978         (ix86_print_operand): Likewise.
3979         * config/i386/xm-djgpp.h: Likewise.
3980         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3981         * config/m32c/m32c.c (m32c_option_override): Likewise.
3982         * config/msp430/msp430.c (msp430_option_override): Likewise.
3983         * config/nds32/nds32.c (nds32_option_override): Likewise.
3984         * config/nvptx/mkoffload.c (main): Likewise.
3985         * config/rx/rx.c (rx_print_operand): Likewise.
3986         (valid_psw_flag): Likewise.
3987         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3988         (vms_pragma_nomember_alignment): Likewise.
3989         (vms_pragma_extern_model): Likewise.
3990         * lto-wrapper.c (compile_offload_image): Likewise.
3991         * omp-offload.c (oacc_parse_default_dims): Likewise.
3992         * symtab.c (symtab_node::verify_base): Likewise.
3993         * tlink.c (recompile_files): Likewise.
3994         (start_tweaking): Likewise.
3995         * tree-profile.c (parse_profile_filter): Likewise.
3996
3997 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3998
3999         PR tree-optimization/89956
4000         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4001         multiple negates of the same value.
4002
4003 2019-04-04  Martin Sebor  <msebor@redhat.com>
4004
4005         PR middle-end/89957
4006         PR middle-end/89911
4007         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4008         have the same precision since the function crashes otherwise.
4009         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4010         has non-zero arguments.
4011
4012 2019-04-04  Martin Sebor  <msebor@redhat.com>
4013
4014         PR middle-end/89934
4015         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4016         out if the number of arguments is less than expected.
4017
4018 2019-04-04  Jeff Law  <law@redhat.com>
4019
4020         PR rtl-optimization/89399
4021         * ree.c (combine_set_extension): Use single_set rather than
4022         digging into PATTERN for items on the candidate list.
4023         (combine_reaching_defs): Likewise.
4024
4025 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4026
4027         PR rtl-optimization/46590
4028         * loop-invariant.c (find_defs): Move df_remove_problem and
4029         df_process_deferred_rescans to move_invariants.
4030         Move df_live_add_problem and df_live_set_all_dirty calls
4031         to move_invariants.
4032         (move_invariants): Likewise.
4033         (move_loop_invariants): Likewise, making the df_live calls
4034         conditional on -O.  Remove the problem again if we added it
4035         locally.
4036
4037 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4038
4039         PR tree-optimization/89730
4040         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4041         -flive-patching=inline-only-static.
4042         (can_inline_edge_by_limits_p): Add the checking for
4043         -flive-patching=inline-only-static and grant always_inline
4044         even when -flive-patching=inline-only-static is specified.
4045
4046 2019-04-03  Jeff Law  <law@redhat.com>
4047
4048         PR rtl-optimization/81025
4049         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4050
4051 2019-04-03  Richard Biener  <rguenther@suse.de>
4052
4053         PR tree-optimization/84101
4054         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4055         regs.h for hard_regno_nregs.
4056         (cfun_returns): New helper.
4057         (vect_model_store_cost): When vectorizing a store to a decl
4058         we return and the function ABI returns in a multi-reg location
4059         account for the possible spilling that will happen.
4060
4061 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4062
4063         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4064         displacement addresses for vector mode operands.
4065
4066 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4067
4068         * config/arc/arc.c (GMASK_LEN): Define.
4069         (arc_restore_callee_saves): Restore first blink when
4070         !optimize_size.
4071
4072 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4073
4074         * doc/extend.texi: Add deprecated comment on sign-return-address
4075         function attribute and add mbranch-protection.
4076         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4077
4078 2019-04-03  Richard Biener  <rguenther@suse.de>
4079
4080         PR lto/89896
4081         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4082         the all target phony.
4083
4084 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4085
4086         PR target/89902
4087         PR target/89903
4088         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4089         Return false for variable DImode shifts.
4090         (dimode_scalar_chain::compute_convert_gain): Do not handle
4091         register count operand in variable DImode shifts.
4092         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4093         count argument of a variable shift instruction to a vector register.
4094         (dimode_scalar_chain::convert_reg): Remove support to convert
4095         count argument of a variable shift instruction.
4096
4097 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4098
4099         PR rtl-optimization/84206
4100         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4101         iterating over loop headers.
4102
4103 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4104
4105         PR rtl-optimization/85876
4106         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4107         beyond the original fence.
4108
4109 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4110
4111         * config.gcc: Mark spu* targets as deprecated/obsolete.
4112
4113 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4114
4115         * config/s390/s390-builtin-types.def: New builtin function type
4116         definitions. Remove unused types.
4117         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4118         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4119         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4120         overloaded builtins.
4121         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4122         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4123         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4124         (vec_double, vec_signed, vec_unsigned): Define to use the new
4125         overloaded builtins.
4126         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4127         Remove expanders.
4128
4129 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4130
4131         * config/s390/s390-builtin-types.def: New builtin function type
4132         definitions.
4133         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4134         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4135         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4136         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4137         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4138         constant definitions.
4139         * config/s390/vecintrin.h (vec_search_string_cc)
4140         (vec_search_string_until_zero_cc): New builtin name definitions.
4141         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4142         expanders.
4143         ("vec_vstrs<mode>"): New insn definition.
4144
4145 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4146
4147         * config/s390/s390-builtin-types.def: Add new builtin function
4148         types.
4149         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4150         New overloaded builtins.
4151         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4152         s390_vsrd.
4153         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4154         (UNSPEC_VEC_SLDBYTE): ... this.
4155         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4156         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4157         definitions.
4158         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4159         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4160         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4161
4162 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4163
4164         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4165         New insn definition.
4166         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4167         * config/s390/vector.md (V_HW_HSD): ... here.
4168
4169 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4170
4171         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4172         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4173         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4174         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4175         New insn definitions.
4176
4177 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4178
4179         * config/s390/s390-builtin-types.def: Add new builtin function type.
4180         * config/s390/s390-builtins.def: Add overloaded builtin
4181         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4182         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4183         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4184         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4185         ("eltswap<mode>"): New expander.
4186         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4187         insn definitions.
4188
4189 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4190
4191         * config/s390/s390-builtin-types.def: Add new builtin function types.
4192         * config/s390/s390-builtins.def: Add overloaded builtin
4193         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4194         instructions.
4195         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4196         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4197         ("bswap<mode>"): New expander.
4198         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4199
4200 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4201
4202         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4203         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4204         vector builtin version number in __VEC__.
4205
4206 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4207
4208         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4209         iterators.
4210         (SFSI): New mode attribute.
4211         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4212         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4213         rename to ...
4214         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4215         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4216         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4217         ("floatsi<mode>2"): Add wcefb instruction.
4218
4219 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4220
4221         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4222         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4223         mode iterators.
4224         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4225         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4226         support 32 bit fp-int conversions. Rename to ...
4227         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4228         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4229         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4230         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4231         ... to these.
4232
4233 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4234
4235         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4236         if-then-else constructs if we can use the select instruction.
4237         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4238
4239 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4240
4241         * config/s390/s390.md ("*popcountdi_arch13_cc")
4242         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4243         definition.
4244         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4245         Append _z196 to make it ...
4246         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4247         ("popcounthi2_z196"): ... this.
4248         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4249         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4250
4251 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4252
4253         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4254         certain compares for arch13 in order to make use of the condition
4255         code result produced by the new instructions.
4256         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4257         nxrk, and nxgrk instruction patterns.
4258         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4259         (inv_no): Add new code iterator together with some attributes.
4260         ("*andc_split_<mode>"): Disable splitter for arch13.
4261         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4262         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4263         ("*<ANDOR:bitops_name>c<GPR:mode>")
4264         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4265         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4266         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4267         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4268
4269 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4270
4271         * common/config/s390/s390-common.c (processor_flags_table): New
4272         entry for arch13.
4273         * config.gcc: Support arch13 with the --with-arch= configure flag.
4274         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4275         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4276         * config/s390/s390.c (s390_get_sched_attrmask)
4277         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4278         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4279         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4280         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4281         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4282         definitions.
4283         * config/s390/s390.opt: Support arch13 as processor type in
4284         command line options.
4285
4286 2019-04-02  Martin Liska  <mliska@suse.cz>
4287
4288         PR translation/89912
4289         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4290         Fix param description of graphite-max-arrays-per-scop.
4291
4292 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4293
4294         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4295         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4296         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4297
4298 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4299
4300         PR rtl-optimization/85412
4301         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4302         sel_sched_region_1, not after.
4303
4304 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4305
4306         PR rtl-optimization/86928
4307         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4308         compute_live if necessary.
4309         (sel_redirect_edge_and_branch): Likewise.
4310
4311 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4312
4313         PR rtl-optimization/89865
4314         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4315         register if it is a part of small class.
4316
4317 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4318
4319         PR rtl-optimization/87273
4320         * sel-sched-ir.c (merge_fences): Remove assert.
4321
4322 2019-04-01  Richard Biener  <rguenther@suse.de>
4323
4324         PR tree-optimization/46590
4325         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4326         (dom_walker::m_reachability): Add in place of...
4327         (dom_walker::m_skip_unreachable_blocks): ...this.
4328         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4329         Move complex initialization ...
4330         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4331         lazily and initialize edge flags on each invocation.
4332         (dom_walker::bb_reachable): Use m_reachability.
4333
4334 2019-04-01  Martin Liska  <mliska@suse.cz>
4335
4336         PR driver/89861
4337         * opt-suggestions.c (option_proposer::build_option_suggestions):
4338         Add variant without any argument in order to provide better
4339         hints.
4340
4341 2019-04-01  Richard Biener  <rguenther@suse.de>
4342
4343         PR c/71598
4344         * gimple.c: Include langhooks.h.
4345         (gimple_get_alias_set): Treat enumeral types as the underlying
4346         integer type.
4347
4348 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4349             Eric Botcazou  <ebotcazou@adacore.com>
4350
4351         PR rtl-optimization/89862
4352         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4353         that operates on the full registers for WORD_REGISTER_OPERATIONS
4354         architectures.
4355
4356 2019-03-29  Jim Wilson  <jimw@sifive.com>
4357
4358         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4359         Clear MASK_RVC and then set if C subset supported.
4360
4361 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4362
4363         PR c/89872
4364         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4365         non-addressable complit into its initializer if it is volatile.
4366
4367 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4368
4369         * opts-common.c (integral_argument): Set errno properly in one case.
4370
4371 2019-03-29  Martin Liska  <mliska@suse.cz>
4372
4373         * doc/invoke.texi: Remove -Wchkp from documentation.
4374
4375 2019-03-29  Martin Liska  <mliska@suse.cz>
4376
4377         * dbgcnt.c (print_limit_reach): New function.
4378         (dbg_cnt): Use it.
4379
4380 2019-03-29  Martin Liska  <mliska@suse.cz>
4381
4382         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4383         (dbg_cnt_process_opt): Parse first tokens aas
4384         dbg_cnt_process_single_pair is also using strtok.
4385
4386 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4387
4388         PR rtl-optimization/87485
4389         * function.c (expand_function_end): Move stack_protect_epilogue
4390         before loading of return value into hard register(s).
4391
4392 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4393
4394         PR middle-end/89621
4395         * tree-inline.h (struct copy_body_data): Add
4396         dont_remap_vla_if_no_change flag.
4397         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4398         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4399         and remap_type_2 returns false.
4400         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4401         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4402         only from where it is copied to nested contexts.
4403
4404 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4405
4406         PR target/89865
4407         * config/i386/i386.md (RMW operation with LEA peephole):
4408         Use LEAMODE mode attribute instead of SWI mode iterator for
4409         LEA pattern.
4410
4411 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4412
4413         PR target/89848
4414         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4415         Also process XEXP (src, 0) of a shift insn.
4416
4417 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4418
4419         PR middle-end/89725
4420         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4421         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4422
4423 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4424
4425         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4426         test.
4427         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4428         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4429         immediately after first one with df_analyze in between, but rather
4430         process all bbs, queueing ones that need second pass in a worklist,
4431         df_analyze, process queued debug insn changes and if second pass is
4432         needed, process bbs from worklist, df_analyze, process queued debug
4433         insns again.
4434
4435         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4436         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4437         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4438
4439 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4440
4441         PR c/79022
4442         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4443         definition.
4444
4445 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4446
4447         PR target/85667
4448         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4449         function for 32-bit MS_ABI.
4450         (function_value_ms_32): New function.
4451
4452 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4453
4454         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4455         (movdi): Call gen_movdi_symbol_save_scc.
4456         (gen_movdi_symbol_save_scc): New insn and split.
4457
4458 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4459
4460         PR rtl-optimization/89313
4461         * function.c (matching_constraint_num): New static function.
4462         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4463         Don't replace inputs with non-matching constraints which conflict
4464         with early clobber outputs.
4465
4466 2019-03-27  Jeff Law  <law@redhat.com>
4467
4468
4469         PR rtl-optimization/87761
4470         PR rtl-optimization/89826
4471         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4472         slightly later.
4473         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4474         note problem to get REG_DEAD/REG_UNUSED notes updated.
4475
4476 2019-03-27  Richard Biener  <rguenther@suse.de>
4477
4478         PR tree-optimization/89463
4479         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4480         queue edges to remove.
4481         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4482         dead stmts.  Delay edge removal until PHIs are removed to
4483         make debug-stmt creation not confused by seemingly degenerate
4484         PHIs.
4485
4486 2019-03-27  Alan Modra  <amodra@gmail.com>
4487
4488         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4489         throughout file.
4490         * config/rs6000/darwin.h: Likewise.
4491         * config/rs6000/rs6000.c: Likewise.
4492
4493 2019-03-27  Alan Modra  <amodra@gmail.com>
4494
4495         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4496         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4497
4498 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4499             Jim Wilson  <jimw@sifive.com>
4500
4501         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4502         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4503         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4504         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4505         (generic_alu): Add auipc to type list.
4506         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4507         (riscv_microarchitecture): Declare.
4508         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4509         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4510         field.
4511         (riscv_microarchitecture): New.
4512         (sifive_7_tune_info): New.
4513         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4514         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4515         entries.
4516         (riscv_store_data_bypass_p): New.
4517         (riscv_option_override): Set riscv_microarchitecture from
4518         cpu->microarchitecture.
4519         * config/riscv/riscv.md: Include sifive-7.md.
4520         (type): Add auipc.
4521         (tune): New.
4522         (auipc<mode>): Change type to auipc.
4523         (restore_stack_nonlocal): New.
4524         * config/riscv/sifive-7.md: New.
4525         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4526
4527 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4528
4529         PR target/89827
4530         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4531         Also process XEXP (src, 0) of a shift insn.
4532
4533 2019-03-26  Richard Biener  <rguenther@suse.de>
4534
4535         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4536         (copy_debug_stmt): Likewise.
4537         (expand_call_inline): Likewise.
4538         (copy_bb): Avoid redundant lookup & set of gimple_block.
4539         * gimple-low.c (lower_gimple_return): Likewise.
4540         (lower_builtin_setjmp): Likewise.
4541
4542 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4543
4544         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4545         is constant 0, turn into static const data member initialized to false.
4546         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4547         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4548
4549 2019-03-26  Jason Merrill  <jason@redhat.com>
4550             Jakub Jelinek  <jakub@redhat.com>
4551
4552         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4553         method.
4554         (mem_alloc_description::release_object_overhead): Fix comment typos.
4555         * hash-table.h (hash_table::~hash_table): Call
4556         release_instance_overhead only if m_entries is non-NULL, otherwise
4557         call unregister_descriptor.
4558
4559 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4560
4561         PR tree-optimization/81740
4562         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4563         In case of outer loop vectorization, check for backward dependence
4564         at the inner loop if outer loop dependence is reversed.
4565
4566 2019-03-26  Alan Modra  <amodra@gmail.com>
4567
4568         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4569         rs6000_vector_mem init.  Correct wI and wJ comment.
4570
4571 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4572
4573         PR rtl-optimization/88347
4574         PR rtl-optimization/88423
4575         * sched-deps.c (sched_analyze_insn): Take into account that for
4576         tablejumps the barrier appears after a label and a jump_table_data.
4577
4578 2019-03-25  Martin Sebor  <msebor@redhat.com>
4579
4580         PR c/89812
4581         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4582         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4583         convert it to UHWI when it fits.
4584
4585 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4586
4587         PR debug/86964
4588         * dwarf2out.c (premark_used_variables): New function.
4589         (prune_unused_types_walk): Do not mark not premarked external
4590         variables.
4591         (prune_unused_types): Call premark_used_variables.
4592
4593 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4594
4595         PR rtl-optimization/89676
4596         * lra-constraints.c (curr_insn_transform): Do match reload for
4597         early clobbers when the match was successful only for different
4598         registers.
4599
4600 2019-03-25  Martin Sebor  <msebor@redhat.com>
4601
4602         * doc/extend.texi (Common Type Attributes): Document vector_size.
4603         (Common Variable Attributes): Mention size constraint.  Correct
4604         quoting and typos.
4605         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4606         base type and size constraints.
4607
4608 2019-03-25  Richard Biener  <rguenther@suse.de>
4609
4610         PR tree-optimization/89789
4611         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4612         changes from non-undefined back to undefined.
4613
4614 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4615
4616         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4617         heap string and a gc string, but since this variable is unknown to
4618         ggc the gc string might get reused and corrupted. Fixed by always
4619         using a heap string.
4620
4621 2019-03-25  Richard Biener  <rguenther@suse.de>
4622
4623         PR tree-optimization/89779
4624         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4625         to remove IV defs, delay actual removal.
4626         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4627         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4628         very end, properly also reset loop control IV information.
4629
4630 2019-03-25  Richard Biener  <rguenther@suse.de>
4631
4632         PR tree-optimization/89802
4633         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4634         move EH data to folded stmt.
4635
4636 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4637
4638         * config/s390/s390-builtin-types.def: Remove few unused types and
4639         fix sort order for others.
4640
4641 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4642
4643         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4644         expected and found types with -mdebug during builtin matching.
4645
4646 2019-03-25  Richard Biener  <rguenther@suse.de>
4647
4648         PR middle-end/89790
4649         * fold-const.c (operand_equal_p): Revert last change with
4650         updated comment.
4651
4652 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4653
4654         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4655         notes for the result of the __tls_get_addr calls.
4656         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4657
4658 2019-03-24  Jeff Law  <law@redhat.com>
4659
4660         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4661
4662         PR rtl-optimization/87761
4663         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4664         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4665         as needed.
4666         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4667         rescans.  Reprocess blocks as needed, calling df_analyze before
4668         reprocessing.  Always call df_analyze before fixing up debug bind
4669         insns.
4670
4671 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4672
4673         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4674         big endian.
4675
4676 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4677
4678         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4679         attrribute for uxtw.
4680
4681 2019-03-26  Jeff Law  <law@redhat.com>
4682
4683         PR rtl-optimization/87761
4684         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4685         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4686         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4687         into the next instruction.
4688         (mips_split_move_insn): Pass INSN through to mips_split_move.
4689
4690 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4691
4692         PR rtl-optimization/89676
4693         * lra-constraints.c (curr_insn_transform): Do match reload for
4694         early clobbers even if the match was successful.
4695
4696 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4697
4698         PR c++/87481
4699         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4700
4701 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4702
4703         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4704
4705 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4706
4707         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4708         <avx512>_fmsub_<mode>_mask3<round_name>,
4709         <avx512>_fnmadd_<mode>_mask3<round_name>,
4710         <avx512>_fnmsub_<mode>_mask3<round_name>,
4711         avx512f_vmfmadd_<mode>_mask3<round_name>,
4712         avx512f_vmfmsub_<mode>_mask3<round_name>,
4713         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4714         instead of register_operand and %v instead of v for match_operand 1.
4715         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4716         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4717         <round_nimm_predicate> instead of register_operand and %v instead of v
4718         for match_operand 1.
4719
4720         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4721         <avx512>_fmadd_<mode>_mask3<round_name>,
4722         <avx512>_fmsub_<mode>_mask<round_name>,
4723         <avx512>_fmsub_<mode>_mask3<round_name>,
4724         <avx512>_fnmadd_<mode>_mask<round_name>,
4725         <avx512>_fnmadd_<mode>_mask3<round_name>,
4726         <avx512>_fnmsub_<mode>_mask<round_name>,
4727         <avx512>_fnmsub_<mode>_mask3<round_name>,
4728         <avx512>_fmaddsub_<mode>_mask<round_name>,
4729         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4730         <avx512>_fmsubadd_<mode>_mask<round_name>,
4731         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4732         <round_nimm_predicate> instead of nonimmediate_operand.
4733         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4734         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4735         Use register_operand instead of <round_nimm_predicate> for the
4736         operand that needs to match output.
4737         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4738         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4739         Likewise.  Formatting fixes.
4740
4741         PR target/89784
4742         * config/i386/i386.c (enum ix86_builtins): Remove
4743         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4744         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4745         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4746         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4747         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4748         __builtin_ia32_vfmsubss3_mask3): New builtins.
4749         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4750         avx512f_vmfmadd_<mode>_mask3<round_name>,
4751         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4752         *avx512f_vmfmsub_<mode>_mask<round_name>,
4753         avx512f_vmfmsub_<mode>_mask3<round_name>,
4754         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4755         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4756         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4757         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4758         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4759         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4760         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4761         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4762         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4763         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4764         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4765         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4766         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4767         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4768         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4769         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4770         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4771         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4772         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4773         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4774         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4775         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4776         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4777         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4778         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4779         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4780         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4781         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4782
4783 2019-03-21  Martin Sebor  <msebor@redhat.com>
4784
4785         PR tree-optimization/89350
4786         * builtins.c (compute_objsize): Also ignore offsets whose upper
4787         bound is negative.
4788         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4789         (builtin_memref::builtin_memref): Initialize new member.
4790         Allow EXPR to be null.
4791         (builtin_memref::extend_offset_range): Replace local with a member.
4792         Avoid assuming pointer offsets are unsigned.
4793         (builtin_memref::set_base_and_offset): Determine base object
4794         before computing offset range.
4795         (builtin_access::builtin_access): Handle memset.
4796         (builtin_access::generic_overlap): Replace local with a member.
4797         (builtin_access::strcat_overlap): Same.
4798         (builtin_access::overlap): Same.
4799         (maybe_diag_overlap): Same.
4800         (maybe_diag_access_bounds): Same.
4801         (wrestrict_dom_walker::check_call): Handle memset.
4802         (check_bounds_or_overlap): Same.
4803
4804 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4805             Jakub Jelinek  <jakub@redhat.com>
4806
4807         PR lto/89692
4808         * tree.c (fld_type_variant, fld_incomplete_type_of,
4809         fld_process_array_type): Call fld->pset.add and don't call
4810         add_tree_to_fld_list if it returns true.
4811         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4812         non-marked types from TYPE_NEXT_VARIANT list.
4813         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4814
4815 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4816
4817         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4818         to false, if true, don't alloc_entries during construction, but defer
4819         it to the first method that needs m_entries allocated.
4820         (hash_table::hash_table, hash_table::~hash_table,
4821         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4822         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4823         hash_table::clear_slot, hash_table::traverse_noresize,
4824         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4825         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4826         false.
4827         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4828         NO_INSERT instead of find_with_hash.
4829         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4830         hash_set::m_table): Add Lazy to template params of hash_table.
4831         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4832         * attribs.c (test_attribute_exclusions): Likewise.
4833         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4834         hash_set.  Add tests for hash_set with Lazy = true.
4835
4836 2019-03-21  Richard Biener  <rguenther@suse.de>
4837
4838         PR tree-optimization/89779
4839         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4840         checks with respect to released SSA names now having error_mark_node
4841         type.
4842         * fold-const.c (operand_equal_p): Likewise.
4843
4844 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4845
4846         PR target/89775
4847         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4848         available to ...
4849         (s390_optimize_register_info): Use global_not_special_regno_p to
4850         check for global regs.
4851
4852 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4853
4854         PR target/89752
4855         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4856         update this_alternative nor this_alternative_set.
4857
4858 2019-03-19  Jim Wilson  <jimw@sifive.com>
4859
4860         PR target/89411
4861         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4862         align, size, offset.  Use them to handle a BLKmode reference.  Update
4863         comment.
4864         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4865
4866 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4867
4868         PR rtl-optimization/89768
4869         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4870         instead of GEN_INT.
4871         (unroll_loop_runtime_iterations): Likewise.
4872
4873 2019-03-19  Martin Sebor  <msebor@redhat.com>
4874
4875         PR tree-optimization/89644
4876         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4877         rather than endptr as an indicator of nul-termination.
4878
4879         PR tree-optimization/89644
4880         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4881         arrays in determining sequence sizes in strncpy and stpncpy.
4882
4883 2019-03-19  Martin Liska  <mliska@suse.cz>
4884
4885         PR middle-end/89737
4886         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4887         unlikely_edges if there's an edge that belongs to both these sets.
4888
4889 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4890
4891         PR target/89746
4892         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4893         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4894         go via a stack temporary.
4895
4896 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4897
4898         PR target/89378
4899         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4900         instead of gen_rtx_SUBREG.
4901         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4902
4903 2019-03-19  Richard Biener  <rguenther@suse.de>
4904
4905         PR debug/88389
4906         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4907
4908 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4909
4910         PR lto/87809
4911         PR lto/89335
4912         * tree.c (free_lang_data_in_decl): Do not free context of C++
4913         destrutors.
4914
4915 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4916
4917         PR target/89506
4918         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4919         subs for the first alternative except when operands[3] is 1.
4920
4921         PR target/89752
4922         * gimplify.c (gimplify_asm_expr): For output argument with
4923         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4924         diagnose error.
4925
4926 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4927
4928         PR rtl-optimization/89753
4929         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4930         explicit unrolling factor even more robust.
4931
4932 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4933
4934         PR target/89726
4935         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4936         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4937         signed zeros, do another copysign after the compensation.
4938
4939 2019-03-18  Martin Sebor  <msebor@redhat.com>
4940
4941         PR tree-optimization/89720
4942         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4943         more conservatively, the same as anti-range.
4944
4945 2019-03-18  Richard Biener  <rguenther@suse.de>
4946
4947         PR middle-end/88945
4948         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4949         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4950         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4951         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4952
4953 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4954
4955         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4956         Extend queue to 1024 entries.
4957         Add "consumed" field.
4958         (gomp_print_output): Remove print_index parameter.
4959         Add final parameter.
4960         Change limit to unsigned.
4961         Use consumed field to implement circular buffer.
4962         Detect interrupted print in final pass.
4963         Flush output at the end.
4964         (run): Update gomp_print_output usage.
4965         (main): Initialize kernargs->output_data.consumed.
4966
4967 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4968
4969         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4970         calculation of the minimum number of scalar iterations for
4971         fully-predicated loops.
4972
4973 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4974
4975         PR tree-optimization/89546
4976         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4977         any propagation to its children took place.
4978
4979 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4980
4981         PR target/89627
4982         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4983         parameter, and make use of it.
4984         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4985
4986 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4987
4988         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4989         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4990         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4991         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4992         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4993         match what the ops is doing.
4994         (push_multi_fp_blink): Likewise.
4995         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4996         compiling for size and elf target.
4997         (arc_save_callee_enter): Adjust note to match what enter/leave
4998         operation does.
4999
5000 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5001
5002         * config/arc/arc.md (tst_movb): Fix constraint.
5003
5004 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5005
5006         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5007
5008 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5009
5010         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5011         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5012         reg_alloc_order references.
5013         (size_alloc_order): Define.
5014         (arc_adjust_reg_alloc_order): New function.
5015         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5016         order.
5017         (ADJUST_REG_ALLOC_ORDER): Define.
5018         (HONOR_REG_ALLOC_ORDER): Likewise.
5019
5020 2019-03-18  Richard Biener  <rguenther@suse.de>
5021
5022         PR target/87561
5023         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5024         loads and stores a bit more.
5025
5026 2019-03-18  Richard Biener  <rguenther@suse.de>
5027
5028         PR target/87561
5029         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5030         load pessimization to stores as well.
5031
5032 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5033
5034         PR middle-end/86979
5035         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5036         successor, use NULL as its av set.
5037
5038 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5039
5040         PR rtl-optimization/89721
5041         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5042
5043 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5044
5045         PR target/87532
5046         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5047         When handling vec_extract, use modular arithmetic to allow
5048         constant selectors greater than vector length.
5049         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5050         V1TImode vectors to have constant selector values greater than 0.
5051         Use modular arithmetic to compute vector index.
5052         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5053         index for in-memory vectors.  Correct code generation for
5054         in-register vectors.
5055         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5056         compute index.
5057
5058 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5059
5060         PR c++/88534
5061         PR c++/88537
5062         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5063         VAR_DECL args.
5064
5065 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5066
5067         PR c++/89709
5068         * tree.c (inchash::add_expr): Strip any location wrappers.
5069         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5070         after hash verification.
5071
5072         PR debug/89704
5073         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5074         SIGN_EXTEND and ZERO_EXTEND.
5075
5076 2019-03-14  Jason Merrill  <jason@redhat.com>
5077             Jakub Jelinek  <jakub@redhat.com>
5078
5079         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5080         than if is_empty (*slot).
5081         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5082         existing elt and for elt removal.
5083         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5084         of already removed elt.
5085
5086 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5087
5088         PR target/89650
5089         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5090         REG_EH_REGION note.
5091
5092 2019-03-14  Martin Liska  <mliska@suse.cz>
5093
5094         PR other/89712
5095         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5096
5097 2019-03-14  Richard Biener  <rguenther@suse.de>
5098
5099         PR target/89711
5100         * config/i386/i386.c (make_resolver_func): Properly set
5101         DECL_CONTEXT on the RESULT_DECL.
5102         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5103
5104 2019-03-14  Richard Biener  <rguenther@suse.de>
5105
5106         * gimple-pretty-print.c: Include cfgloop.h.
5107         (dump_gimple_phi): Adjust.
5108         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5109         (pp_cfg_jump): Adjust.
5110         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5111         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5112         (lower_phi_internal_fn): Remove.
5113         (verify_gimple_call): Remove IFN_PHI special-casing.
5114         (dump_function_to_file): Dump IL state.
5115         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5116         done to deal with PHI nodes being present in non-SSA state.
5117
5118 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5119
5120         PR ipa/89684
5121         * multiple_target.c (create_dispatcher_calls): Change
5122         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5123         In the node->iterate_referring loop, push *ref rather than ref, call
5124         ref->remove_reference () and always pass 0 to iterate_referring.
5125
5126         PR rtl-optimization/89679
5127         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5128         would contain a paradoxical SUBREG.
5129
5130 2019-03-14  Richard Biener  <rguenther@suse.de>
5131
5132         PR tree-optimization/89710
5133         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5134         safe_dyn_cast.
5135
5136 2019-03-14  Martin Liska  <mliska@suse.cz>
5137
5138         * coverage.c (coverage_begin_function): Stream also
5139         end_column.
5140         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5141         documentation about function declaration location.
5142         * gcov-dump.c (tag_function): Print whole range
5143         of function declaration.
5144         * gcov.c (struct function_info): Add end_column field.
5145         (function_info::function_info): Initialize it.
5146         (output_json_intermediate_file): Output {start,end}_column
5147         fields.
5148         (read_graph_file): Read end_column.
5149
5150 2019-03-14  Richard Biener  <rguenther@suse.de>
5151
5152         PR middle-end/89698
5153         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5154         that the access types are similar.
5155
5156 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5157
5158         PR tree-optimization/89703
5159         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5160         aren't compatible also with builtin_decl_explicit.  Check pure
5161         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5162         and BUILT_IN_STPNCPY{,_CHK}.
5163
5164 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5165
5166         PR target/89523
5167         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5168         addr32 prefix to VSIB address for X32.
5169         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5170         "%M2" to opcode.
5171         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5172         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5173         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5174         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5175         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5176         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5177         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5178         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5179         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5180         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5181         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5182         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5183         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5184         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5185         (*avx512f_scatterdi<mode>): Likewise.
5186
5187 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5188
5189         PR target/85860
5190         * lra-constraints.c (inherit_in_ebb): Update
5191         potential_reload_hard_regs along with live_hard_regs.
5192
5193 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5194
5195         PR debug/89498
5196         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5197         DWARF_OFFSET_SIZE.
5198         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5199
5200 2019-03-13  Martin Sebor  <msebor@redhat.com>
5201
5202         PR tree-optimization/89662
5203         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5204         has a size.
5205
5206 2019-03-13  Richard Biener  <rguenther@suse.de>
5207
5208         PR middle-end/89677
5209         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5210         throw FP expressions at tree-affine.
5211
5212 2019-03-14  Richard Biener  <rguenther@suse.de>
5213
5214         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5215         dump negative integer constants using _Literal (type) -num.
5216
5217 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5218
5219         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5220         nonlocal_value member.
5221
5222         PR middle-end/88588
5223         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5224         (ipa_simd_modify_function_body): Handle PHIs.
5225
5226 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5227
5228         * config/s390/s390.c (s390_option_override_internal): Use more
5229         aggressive inlining parameters.
5230
5231 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5232
5233         * config/s390/3906.md: New file.
5234         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5235         (LONGRUNNING_THRESHOLD): Remove.
5236         (MAX_SCHED_MIX_SCORE): Decrease.
5237         (MAX_SCHED_MIX_DISTANCE): Decrease.
5238         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5239         (struct s390_sched_state): New struct to hold scheduling state.
5240         (S390_SCHED_STATE_NORMAL): Remove.
5241         (S390_SCHED_STATE_CRACKED): Remove.
5242         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5243         (s390_get_sched_attrmask): Use new attribute.
5244         (s390_get_unit_mask): Use new units.
5245         (s390_is_fpd): New function.
5246         (s390_is_fxd): New function.
5247         (s390_is_longrunning): New function.
5248         (s390_sched_score): Use new functions.
5249         (s390_sched_reorder): Likewise.
5250         (s390_sched_variable_issue): Rework and use new functions.
5251         (s390_sched_init): Use new functions.
5252         * config/s390/s390.h (s390_tune_attr):  Add z14.
5253         * config/s390/s390.md: Add z14.
5254
5255 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5256
5257         * config/s390/2964.md: Update pipeline description.
5258         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5259         (LONGRUNNING_THRESHOLD): Remove.
5260         (LATENCY_FACTOR): Remove.
5261         (s390_get_unit_mask): Add unit.
5262         (s390_sched_score): Use fxd/fpd.
5263         (s390_sched_variable_issue): Use fxd/fpd.
5264
5265 2019-03-12  Martin Liska  <mliska@suse.cz>
5266
5267         * config/i386/i386.c: Reword an error message.
5268
5269 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5270
5271         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5272         terminate with newline.
5273
5274 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5275
5276         PR target/52726
5277         * config/s390/s390.md (tabort): Use %wd instead of
5278         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5279         letters and periods.
5280         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5281         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5282         's with %< and %>.
5283
5284         PR middle-end/89663
5285         * builtins.c (expand_builtin_int_roundingfn,
5286         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5287         gcc_unreachable if validate_arglist fails.
5288
5289 2019-03-12  Richard Biener  <rguenther@suse.de>
5290
5291         PR tree-optimization/89664
5292         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5293         free the occurance tree after the early out.
5294
5295 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5296
5297         PR middle-end/89655
5298         PR bootstrap/89656
5299         * vr-values.c (vr_values::update_value_range): If
5300         old_vr->varying_p (), don't update it, make new_vr also VARYING
5301         and return false.
5302
5303 2019-03-11  Martin Liska  <mliska@suse.cz>
5304
5305         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5306         Fix double string quoting.
5307
5308 2019-03-11  Martin Liska  <mliska@suse.cz>
5309
5310         * collect-utils.c (collect_wait): Wrap apostrophes
5311         in gcc internal format with %'.
5312         * collect2.c (main): Likewise.
5313         (scan_prog_file): Likewise.
5314         (scan_libraries): Likewise.
5315         * config/i386/i386.c (ix86_expand_call): Likewise.
5316         (ix86_handle_interrupt_attribute): Likewise.
5317         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5318         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5319         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5320         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5321         * symtab.c (symtab_node::verify_base): Likewise.
5322         * tree-cfg.c (verify_gimple_label): Likewise.
5323         * tree.c (verify_type_variant): Likewise.
5324
5325 2019-03-11  Martin Liska  <mliska@suse.cz>
5326
5327         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5328         in a string format message and fix GNU coding style.
5329         (expand_builtin_set_thread_pointer): Likewise.
5330         * common/config/aarch64/aarch64-common.c
5331         (aarch64_rewrite_selected_cpu): Likewise.
5332         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5333         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5334         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5335         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5336         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5337         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5338         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5339         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5340         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5341         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5342         Likewise.
5343         * common/config/riscv/riscv-common.c
5344         (riscv_subset_list::parsing_subset_version): Likewise.
5345         (riscv_subset_list::parse_std_ext): Likewise.
5346         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5347         (riscv_subset_list::parse): Likewise.
5348         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5349         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5350         (aarch64_override_options_internal): Likewise.
5351         (aarch64_validate_mcpu): Likewise.
5352         (aarch64_validate_march): Likewise.
5353         (aarch64_validate_mtune): Likewise.
5354         (aarch64_override_options): Likewise.
5355         * config/alpha/alpha.c (alpha_option_override): Likewise.
5356         * config/arc/arc.c (arc_init): Likewise.
5357         (parse_mrgf_banked_regs_option): Likewise.
5358         (arc_override_options): Likewise.
5359         (arc_expand_builtin_aligned): Likewise.
5360         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5361         (arm_expand_builtin): Likewise.
5362         * config/arm/arm.c (arm_option_check_internal): Likewise.
5363         (arm_configure_build_target): Likewise.
5364         (arm_option_override): Likewise.
5365         (arm_options_perform_arch_sanity_checks): Likewise.
5366         (arm_handle_cmse_nonsecure_entry): Likewise.
5367         (arm_handle_cmse_nonsecure_call): Likewise.
5368         (arm_tls_referenced_p): Likewise.
5369         (thumb1_expand_prologue): Likewise.
5370         * config/avr/avr.c (avr_option_override): Likewise.
5371         * config/bfin/bfin.c (bfin_option_override): Likewise.
5372         * config/c6x/c6x.c (c6x_option_override): Likewise.
5373         * config/cr16/cr16.c (cr16_override_options): Likewise.
5374         * config/cris/cris.c (cris_option_override): Likewise.
5375         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5376         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5377         * config/darwin.c (darwin_override_options): Likewise.
5378         * config/frv/frv.c (frv_expand_builtin): Likewise.
5379         * config/h8300/h8300.c (h8300_option_override): Likewise.
5380         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5381         (ix86_option_override_internal): Likewise.
5382         (warn_once_call_ms2sysv_xlogues): Likewise.
5383         (ix86_expand_prologue): Likewise.
5384         (split_stack_prologue_scratch_regno): Likewise.
5385         (ix86_warn_parameter_passing_abi): Likewise.
5386         * config/ia64/ia64.c (fix_range): Likewise.
5387         * config/m68k/m68k.c (m68k_option_override): Likewise.
5388         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5389         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5390         (mips_set_compression_mode): Likewise.
5391         * config/mmix/mmix.c (mmix_option_override): Likewise.
5392         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5393         * config/msp430/msp430.c (msp430_option_override): Likewise.
5394         * config/nds32/nds32.c (nds32_option_override): Likewise.
5395         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5396         (nios2_option_override): Likewise.
5397         (nios2_expand_custom_builtin): Likewise.
5398         * config/nvptx/mkoffload.c (main): Likewise.
5399         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5400         * config/pa/pa.c (fix_range): Likewise.
5401         (pa_option_override): Likewise.
5402         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5403         (riscv_option_override): Likewise.
5404         * config/rl78/rl78.c (rl78_option_override): Likewise.
5405         * config/rs6000/aix61.h: Likewise.
5406         * config/rs6000/aix71.h: Likewise.
5407         * config/rs6000/aix72.h: Likewise.
5408         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5409         * config/rs6000/freebsd64.h: Likewise.
5410         * config/rs6000/linux64.h: Likewise.
5411         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5412         (rs6000_expand_zeroop_builtin): Likewise.
5413         (rs6000_expand_mtfsb_builtin): Likewise.
5414         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5415         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5416         (rs6000_invalid_builtin): Likewise.
5417         (rs6000_expand_split_stack_prologue): Likewise.
5418         * config/rs6000/rtems.h: Likewise.
5419         * config/rx/rx.c (valid_psw_flag): Likewise.
5420         (rx_expand_builtin): Likewise.
5421         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5422         * config/s390/s390.c (s390_expand_builtin): Likewise.
5423         (s390_function_profiler): Likewise.
5424         (s390_option_override_internal): Likewise.
5425         (s390_option_override): Likewise.
5426         * config/sh/sh.c (sh_option_override): Likewise.
5427         (sh_builtin_saveregs): Likewise.
5428         (sh_fix_range): Likewise.
5429         * config/sh/vxworks.h: Likewise.
5430         * config/sparc/sparc.c (sparc_option_override): Likewise.
5431         * config/spu/spu.c (spu_option_override): Likewise.
5432         (fix_range): Likewise.
5433         * config/visium/visium.c (visium_option_override): Likewise.
5434         (visium_handle_interrupt_attr): Likewise.
5435         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5436         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5437         (dbg_cnt_process_opt): Likewise.
5438         * dwarf2out.c (output_dwarf_version): Likewise.
5439         * except.c (expand_eh_return): Likewise.
5440         * gcc.c (defined): Likewise.
5441         (driver_handle_option): Likewise.
5442         (process_command): Likewise.
5443         (compare_files): Likewise.
5444         (driver::prepare_infiles): Likewise.
5445         (driver::do_spec_on_infiles): Likewise.
5446         (driver::maybe_run_linker): Likewise.
5447         * omp-offload.c (oacc_parse_default_dims): Likewise.
5448         * opts-global.c (handle_common_deferred_options): Likewise.
5449         * opts.c (parse_sanitizer_options): Likewise.
5450         (common_handle_option): Likewise.
5451         (enable_warning_as_error): Likewise.
5452         * passes.c (enable_disable_pass): Likewise.
5453         * plugin.c (parse_plugin_arg_opt): Likewise.
5454         (default_plugin_dir_name): Likewise.
5455         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5456         (default_pch_valid_p): Likewise.
5457         * toplev.c (init_asm_output): Likewise.
5458         (process_options): Likewise.
5459         (toplev::run_self_tests): Likewise.
5460         * tree-cfg.c (verify_gimple_call): Likewise.
5461         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5462         (tree_inlinable_function_p): Likewise.
5463         * var-tracking.c (vt_find_locations): Likewise.
5464
5465 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5466
5467         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5468         only on the else branch.
5469
5470 2019-03-11  Martin Liska  <mliska@suse.cz>
5471
5472         * gcov.c (output_intermediate_json_line): Print function
5473         name of each line.
5474         (output_json_intermediate_file): Add new argument.
5475         * doc/gcov.texi: Document the change.
5476
5477 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5478
5479         PR rtl-optimization/89588
5480         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5481         explicit unrolling factor more robust.
5482
5483 2019-03-11  Richard Biener  <rguenther@suse.de>
5484
5485         PR tree-optimization/89649
5486         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5487         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5488         on the prolog and epilog loops.
5489         (vect_loop_versioning): Return copy of loop.
5490         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5491         on the non-vectorized version of the loop.
5492
5493 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5494
5495         PR target/68924
5496         * config/i386/sse.md (*vec_extractv2di_0_sse):
5497         Add (=r,x) alternative and corresponding splitter.
5498
5499 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5500
5501         PR tree-optimization/85762
5502         PR tree-optimization/87008
5503         PR tree-optimization/85459
5504         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5505         it points to if there is a type changing MEM_REF.  Adjust all callers.
5506         (build_accesses_from_assign): Disable total scalarization if
5507         contains_vce_or_bfcref_p returns true through the new parameter, for
5508         both rhs and lhs.
5509
5510 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5511
5512         PR c/88568
5513         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5514         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5515
5516         PR target/79645
5517         * common.opt (fdiagnostics-show-labels,
5518         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5519         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5520         gas-locview-support, ginline-points, ginternal-reset-location-views):
5521         Terminate description text with a dot.
5522         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5523         * config/mcore/mcore.opt (m210, m340): Likewise.
5524         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5525         mnops=): Start description text with a capital letter.
5526         * config/arc/arc.opt (msize-level=): Likewise.
5527         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5528         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5529         mnewlib): Likewise.
5530         * config/ft32/ft32.opt (msim): Likewise.
5531         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5532         (mnodiv, mnopm): Terminate description text with a dot.
5533         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5534         a colon.
5535         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5536         Likewise.
5537         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5538         text.
5539
5540         PR rtl-optimization/89634
5541         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5542         are modified in BB_END (e->src) instruction.
5543
5544 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5545
5546         PR target/79926
5547         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5548         messages more amenable to translation, and improve wording.
5549
5550 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5551
5552         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5553         ud- and du-chains between phases.
5554
5555 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5556
5557         PR debug/89631
5558         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5559         instead of POLY_INT_CST.
5560
5561 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5562
5563         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5564         requirement.
5565
5566 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5567
5568         PR target/68924
5569         PR target/78782
5570         PR target/87558
5571         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5572         (_mm_storeu_si64): Ditto.
5573
5574 2019-03-08  Martin Liska  <mliska@suse.cz>
5575
5576         PR target/86952
5577         * config/i386/i386.c (ix86_option_override_internal): Disable
5578         jump tables when retpolines are used.
5579
5580 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5581
5582         PR go/63560
5583         * ipa-split.c (execute_split_functions): Do not split
5584         'noinline' or 'section' function.
5585
5586 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5587
5588         PR target/79846
5589         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5590         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5591         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5592
5593         PR ipa/80000
5594         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5595         from diagnostics.  Formatting fixes.
5596
5597         PR target/85665
5598         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5599         warn_odr diagnostics.
5600
5601         PR other/80058
5602         * lra-constraints.c (process_alt_operands): Avoid one space before
5603         " at the end of line and another after " on another line in a string
5604         literal.
5605         * attribs.c (handle_dll_attribute): Likewise.
5606         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5607
5608         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5609         warning_at or inform messages in G_() if there is no ?:.
5610
5611         PR tree-optimization/89550
5612         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5613         returned true.  Formatting fixes.
5614         (expand_builtin_strnlen): Formatting fixes.
5615         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5616         if warning_at returned true.
5617         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5618
5619 2019-03-08  Richard Biener  <rguenther@suse.de>
5620
5621         PR middle-end/89578
5622         * cfgloop.h (struct loop): Add owned_clique field.
5623         * cfgloopmanip.c (copy_loop_info): Copy it.
5624         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5625         cliques.
5626         * tree-inline.c (copy_loops): Remap owned_clique.
5627         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5628         * lto-streamer-out.c (output_cfg): Likewise.
5629
5630 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5631
5632         PR target/80190
5633         * config/darwin.c: Include intl.h.
5634         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5635         composing the message out of two separate parts.
5636
5637 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5638
5639         PR target/80003
5640         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5641         doesn't start with a capital letter and doesn't end with a dot.
5642         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5643         with a capital letter.
5644         (ix86_mangle_function_version_assembler_name): Likewise.
5645         (ix86_generate_version_dispatcher_body): Likewise.
5646         (fold_builtin_cpu): Likewise.
5647         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5648         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5649         translators, wrap full type name in %qs.
5650
5651         PR translation/79999
5652         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5653         depend clause with source (or sink) modifier.
5654         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5655
5656         PR target/89602
5657         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5658         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5659         (avx512f_load<mode>_mask): New define_expand.
5660         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5661         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5662         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5663         __builtin_ia32_movess_mask): New builtins.
5664         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5665         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5666         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5667         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5668
5669 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5670
5671         PR lto/87525
5672         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5673         for extern inline functions.
5674
5675 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5676
5677         PR ipa/88235
5678         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5679         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5680         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5681         have multiple callees.  At the end check if declarations match as
5682         opposed to cgraph_nodes.
5683
5684 2019-03-07  Martin Liska  <mliska@suse.cz>
5685
5686         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5687         which is equivalent to searching for this in clones chain.
5688         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5689         names with a neighbour and special case first node in a chain.
5690
5691 2019-01-25  Jason Merrill  <jason@redhat.com>
5692
5693         PR c++/80916 - spurious "static but not defined" warning.
5694         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5695         for an internal symbol with DECL_EXTERNAL.
5696
5697 2019-04-07  Richard Biener  <rguenther@suse.de>
5698
5699         PR middle-end/89618
5700         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5701         * tree-inline.c (copy_loops): Simplify.
5702
5703 2019-03-07  Martin Liska  <mliska@suse.cz>
5704
5705         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5706
5707 2019-03-07  Richard Biener  <rguenther@suse.de>
5708
5709         PR tree-optimization/89595
5710         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5711         stmt iterator as reference, take boolean output parameter to
5712         indicate whether the stmt was removed and thus the iterator
5713         already advanced.
5714         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5715         stmts created by folding.
5716
5717 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5718
5719         PR c++/89585
5720         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5721         at toplevel.
5722
5723 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5724
5725         PR rtl-optimization/88845
5726         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5727         LRA.
5728         * lra.c (remove_scratches_1): New function.
5729         (remove_scratches): Use it.
5730         (lra_emit_move): Likewise.
5731
5732 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5733
5734         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5735         unaligned_access variable.
5736         * config/arc/arc.c (arc_override_options): Set unaligned access
5737         default on for HS CPUs.
5738         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5739
5740 2019-03-06  Martin Liska  <mliska@suse.cz>
5741
5742         PR gcov-profile/89577
5743         * doc/gcov.texi: Prefer to use --coverage.
5744         * doc/sourcebuild.texi: Likewise.
5745
5746 2019-03-02  Jason Merrill  <jason@redhat.com>
5747
5748         PR c++/86485 - -Wmaybe-unused with empty class ?:
5749         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5750
5751 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5752
5753         PR target/89587
5754         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5755         if_multiarch.
5756
5757         PR middle-end/89590
5758         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5759         exactly one argument.
5760
5761 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5762             Richard Sandiford  <richard.sandiford@arm.com>
5763
5764         PR tree-optimization/89570
5765         * match.pd (vec_cond into cond_op simplification): Don't use
5766         get_conditional_internal_fn, use as_internal_fn (cond_op).
5767
5768 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5769
5770         PR target/89222
5771         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5772         to decide when to split off a non-zero offset from a symbol.
5773         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5774         in function symbols.
5775
5776 2019-03-05  Richard Biener  <rguenther@suse.de>
5777
5778         PR tree-optimization/89594
5779         * tree-if-conv.c (pass_if_conversion::execute): Handle
5780         case where .LOOP_VECTORIZED_FUNCTION was removed.
5781
5782 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5783
5784         PR bootstrap/89560
5785         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5786         instead alloca it only when needed with the needed size.
5787
5788         PR tree-optimization/89570
5789         * match.pd (vec_cond into cond_op simplification): Guard with
5790         vectorized_internal_fn_supported_p test and #if GIMPLE.
5791
5792         PR tree-optimization/89566
5793         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5794         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5795         Punt if get_user_idx_format succeeds, but idx_format argument is
5796         not provided or doesn't have pointer type, or if idx_args is above
5797         number of provided arguments.
5798
5799 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5800
5801         PR tree-optimization/89437
5802         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5803
5804 2019-03-04  Richard Biener  <rguenther@suse.de>
5805
5806         PR middle-end/89572
5807         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5808         safe_dyn_cast.
5809
5810 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5811
5812         PR tree-optimization/89487
5813         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5814         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5815         (distribute_loop): Don't do runtime alias check if there is non-
5816         addressable data reference.
5817         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5818         is a register variable.
5819
5820 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5821
5822         PR target/89506
5823         * config/arm/arm.md (cmpsi2_addneg): Use
5824         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5825         If operands[2] is 0 or INT_MIN, force use of subs.
5826         (*compare_scc splitter): Use gen_int_mode.
5827         (*negscc): Likewise.
5828         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5829
5830 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5831             Monk Chiang  <sh.chiang04@gmail.com>
5832
5833         * common/config/riscv/riscv-common.c: Include sstream.
5834         (riscv_subset_list::to_string): New.
5835         (riscv_arch_str): Likewise.
5836         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5837         * config.in: Regen.
5838         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5839         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5840         (riscv_emit_attribute): New.
5841         (riscv_file_start): Emit attribute if needed.
5842         (riscv_option_override): Init riscv_emit_attribute_p.
5843         * config/riscv/riscv.opt (mriscv-attribute): New option.
5844         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5845         * configure: Regen.
5846         * doc/install.texi: Document --with-riscv-attribute.
5847         * doc/invoke.texi: Document -mriscv-attribute.
5848
5849         * common/config/riscv/riscv-common.c:
5850         Include config/riscv/riscv-protos.h.
5851         (INCLUDE_STRING): Defined.
5852         (RISCV_DONT_CARE_VERSION): Defined.
5853         (riscv_subset_t): Declare.
5854         (riscv_subset_t::riscv_subset_t): New.
5855         (riscv_subset_list): Declare.
5856         (riscv_subset_list::riscv_subset_list): New.
5857         (riscv_subset_list::~riscv_subset_list): Likewise.
5858         (riscv_subset_list::parsing_subset_version): Likewise.
5859         (riscv_subset_list::parse_std_ext): Likewise.
5860         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5861         (riscv_subset_list::add): Likewise.
5862         (riscv_subset_list::lookup): Likewise.
5863         (riscv_subset_list::xlen): Likewise.
5864         (riscv_subset_list::parse): Likewise.
5865         (riscv_supported_std_ext): Likewise.
5866         (current_subset_list): Likewise.
5867         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5868         parse.
5869
5870 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5871
5872         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5873         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5874         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5875
5876 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5877
5878         PR rtl-optimization/85899
5879         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5880         fallthru edges leading to the exit block.
5881
5882 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5883
5884         PR target/89517
5885         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5886         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5887
5888 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5889
5890         PR tree-optimization/89535
5891         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5892         for each operand.  Calculate the fallback choice for mask operands
5893         and pass it to vect_get_vec_def_for_operand.
5894
5895 2019-03-01  Richard Biener  <rguenther@suse.de>
5896
5897         PR middle-end/89541
5898         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5899         get virtual operands.
5900         (get_expr_operands): Handle CONST_DECL like other decls.
5901
5902 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5903
5904         PR middle-end/89503
5905         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5906         on DECL_P and EXPR_P.
5907
5908 2019-03-01  Richard Biener  <rguenther@suse.de>
5909
5910         PR middle-end/89497
5911         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5912         argument, defaulted to zero.
5913         * passes.c (execute_function_todo): Pass down SSA update flags
5914         to cleanup_tree_cfg.
5915         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5916         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5917         form if requested.
5918         (cleanup_tree_cfg): Get and pass down SSA update flags.
5919
5920 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5921
5922         PR bootstrap/89539
5923         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5924         early_lto_debug argument.
5925
5926 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5927
5928         PR tree-optimization/89536
5929         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5930         only whether bit #0 of the value is 0 instead of the entire value.
5931
5932 2019-02-28  Marek Polacek  <polacek@redhat.com>
5933
5934         PR c++/87068 - missing diagnostic with fallthrough statement.
5935         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5936         at the end of a seq, save its location to walk_stmt_info.
5937         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5938         a switch.
5939
5940 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5941
5942         PR lto/88585
5943         * tree.c (find_atomic_core_type): Move ahead in file.
5944         (check_base_type): Correctly compare alignments of atomic types.
5945
5946 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5947
5948         PR target/89455
5949         * config/i386/i386.c (get_builtin_code_for_version): Identify
5950         Westmere from PCLMUL, instead of AES.
5951
5952 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5953
5954         PR target/89434
5955         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5956         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5957         -UINTVAL (...).
5958
5959 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5960
5961         PR target/88530
5962         * config/aarch64/aarch64-option-extensions.def: Document it.
5963         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5964         if empty hwcaps.
5965
5966 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5967
5968         PR c/89520
5969         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5970         builtins if they don't have a single scalar floating point argument.
5971         Formatting fixes.
5972
5973 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5974
5975         PR rtl-optimization/89490
5976         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5977         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5978         block section is not mergeable.
5979
5980 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5981
5982         PR target/70341
5983         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5984         old define_insn to ...
5985         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5986         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5987         Rename old define_insn to ...
5988         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5989         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5990         define_insn to ...
5991         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5992         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5993         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5994
5995 2019-02-27  Richard Biener  <rguenther@suse.de>
5996
5997         PR debug/88878
5998         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5999
6000 2019-02-27  Richard Biener  <rguenther@suse.de>
6001
6002         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6003         building.
6004
6005 2019-02-27  Richard Biener  <rguenther@suse.de>
6006
6007         PR debug/88878
6008         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6009         parameter, prefix section name with .gnu.debuglto_ if true.
6010         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6011         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6012
6013 2019-02-27  Richard Biener  <rguenther@suse.de>
6014
6015         PR debug/89514
6016         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6017         rather than on use_debug_types, doing what output_die does.
6018         (value_format): Likewise.
6019
6020 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6021             Martin Sebor  <msebor@redhat.com>
6022
6023         * doc/invoke.texi (Warning Options): Reword description of
6024         -Wno-absolute-value.
6025
6026 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6027
6028         PR tree-optimization/89280
6029         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6030         builtin_setjmp_setup_bb): New functions.
6031         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6032         When visiting __builtin_setjmp_setup block, queue in special
6033         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6034         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6035         from visited after the loop if they don't have any visited successor
6036         blocks.
6037
6038 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6039
6040         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6041         New function.
6042         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6043
6044 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6045
6046         PR c++/89507
6047         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6048         with types other than sizetype/ssizetype.
6049
6050 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6051
6052         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6053         (enum sparc_processor_type): ...this.
6054         (enum sparc_code_model_type): New enumeration type.
6055         (enum sparc_memory_model_type): Tweak comments.
6056         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6057         (mtune): Likewise.
6058         (mcmodel): Use sparc_code_model enumeration and variable.
6059         (sparc_code_model): New enumeration.
6060         (mdebug): Add Undocumented marker.
6061         * config/sparc/sparc.h (enum cmodel): Delete.
6062         (sparc_cmodel): Likewise.
6063         (TARGET_CM_MEDLOW): Adjust to above renaming.
6064         (TARGET_CM_MEDMID): Likewise.
6065         (TARGET_CM_MEDANY): Likewise.
6066         (TARGET_CM_EMBMEDANY): Likewise.
6067         * config/sparc/sparc.c (sparc_cmodel): Delete.
6068         (sparc_option_override): Remove string/value mapping support for the
6069         code model.  Move code and memory model support to after the handling
6070         of target flags.  Do private machine setup last.
6071         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6072         (sparc_legitimize_reload_address): Likewise.
6073         (sparc_output_mi_thunk): Likewise.
6074         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6075
6076 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6077
6078         PR tree-optimization/89500
6079         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6080         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6081         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6082         cst if the first cst bytes starting at x are known to be non-zero,
6083         even if the string is not zero terminated.  Don't try to modify
6084         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6085         we can prove strnlen returns the same value as strlen would.
6086
6087 2019-02-26  Martin Liska  <mliska@suse.cz>
6088
6089         * alloc-pool.h (struct pool_usage): Remove extra
6090         print_dash_line.
6091         * bitmap.h (struct bitmap_usage): Likewise.
6092         * ggc-common.c (struct ggc_usage): Likewise.
6093         * mem-stats.h (struct mem_usage): Likewise.
6094         (mem_alloc_description::dump): Print dash lines
6095         here and repeat header at the end of a table report.
6096         It's then more readable.
6097         * tree-phinodes.c (phinodes_print_statistics): Make
6098         horizontal alignment.
6099         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6100         * vec.c (struct vec_usage): Remove extra print_dash_line.
6101         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6102
6103 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6104
6105         * doc/extend.texi (__builtin_object_size):
6106         Use @pxref instead of @xref inside parenthesis.
6107         (__builtin_has_attribute): Add missing comma after @xref.
6108         (__builtin_object_size): Ditto.
6109         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6110         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6111         in the list.
6112
6113 2019-02-26  Jeff Law  <law@redhat.com>
6114
6115         PR rtl-optimization/87761
6116         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6117         detect obviously dead insns and delete them.
6118
6119 2019-02-26  Richard Biener  <rguenther@suse.de>
6120
6121         PR tree-optimization/89505
6122         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6123         to handle restrict pointed-to vars with multiple subvars
6124         correctly.
6125
6126 2019-02-26  Richard Biener  <rguenther@suse.de>
6127
6128         PR tree-optimization/89489
6129         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6130
6131 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6132
6133         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6134         and move around comment.
6135         <BIT_AND_EXPR>: Likewise.
6136         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6137
6138 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6139
6140         PR target/89474
6141         * config/i386/i386.c (remove_partial_avx_dependency): Call
6142         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6143         after changing possibly many instructions to use that pseudo.  Fix up
6144         insertion of v4sf_const0 setter at the start of bb.
6145
6146 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6147
6148         PR c/80409
6149         * doc/extend.texi (Variadic Pointer Args): New section.
6150
6151 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6152             Martin Sebor  <msebor@gmail.com>
6153
6154         * common.opt (Wattribute-alias): Likewise.
6155         * doc/invoke.texi (Option Summary): List general form of
6156         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6157         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6158         Add cross-references.
6159         (-Wattribute-alias): Rewrite and correct default.  Mention
6160         considered attributes (same as for -Wmissing-attributes).
6161
6162 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6163
6164         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6165         (_mm_cvtpd_ps): Likewise.
6166         (_mm_cvttpd_epi32): Likewise.
6167
6168         PR target/89338
6169         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6170         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6171
6172         PR target/89339
6173         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6174
6175 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6176
6177         PR target/88530
6178         * common/config/aarch64/aarch64-common.c
6179         (struct aarch64_option_extension): Add is_synthetic.
6180         (all_extensions): Use it.
6181         (TARGET_OPTION_INIT_STRUCT): Define hook.
6182         (struct gcc_targetm_common): Moved to end.
6183         (all_extensions_by_on): New.
6184         (opt_ext_cmp, typedef opt_ext): New.
6185         (aarch64_option_init_struct): New.
6186         (aarch64_contains_opt): New.
6187         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6188         * config/aarch64/aarch64-option-extensions.def
6189         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6190         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6191         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6192         Set is_synthetic to false.
6193         (crypto): Set is_synthetic to true.
6194         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6195         SYNTHETIC.
6196
6197 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6198
6199         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6200         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6201         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6202         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6203         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6204         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6205         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6206         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6207         Rename ...
6208         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6209         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6210         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6211         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6212         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6213         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6214         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6215         vfmlsl_laneq_high_f16): ... To this.
6216         * config/arm/neon.md: Update comments.
6217
6218 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6219
6220         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6221         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6222         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6223         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6224         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6225         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6226         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6227         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6228         Rename ...
6229         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6230         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6231         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6232         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6233         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6234         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6235         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6236         vfmlslq_laneq_high_f16): ... To this.
6237
6238 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6239
6240         PR rtl-optimization/86096
6241         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6242         comparing mw_order values.
6243
6244 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6245
6246         PR target/89434
6247         * config/arm/arm.md (*subsi3_carryin_const): Use
6248         arm_neg_immediate_operand predicate instead of
6249         arm_not_immediate_operand, "L" constraint instead of "K" and
6250         print it using %n2 instead of %B2.
6251         (*subsi3_carryin_const0): New define_insn.
6252         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6253         instead of arm_not_operand and "I" constraint instead of "K" and
6254         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6255         another match_operand and in the condition check that it is negation
6256         of operands[2].
6257         (*subsi3_carryin_compare_const0): New define_ins.
6258         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6259         *subsi3_carryin_const.
6260         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6261         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6262
6263         PR target/89438
6264         * config/arm.vfp.md (*negdf2_vfp): Use
6265         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6266         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6267
6268 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6269
6270         PR rtl-optimization/89445
6271         * simplify-rtx.c (simplify_ternary_operation): Don't use
6272         simplify_merge_mask on operands that may trap.
6273         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6274         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6275         second operand is CONST_VECTOR, check if any element could be zero.
6276         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6277         their operands can trap.
6278
6279 2019-02-23  Martin Sebor  <msebor@redhat.com>
6280
6281         * gimple-ssa-sprintf.c (target_strtol): Rename...
6282         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6283         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6284         check for range error.
6285
6286 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6287
6288         PR driver/69471
6289         * opts-common.c (prune_options): Also prune joined switches
6290         with Negative and RejectNegative.
6291         * config/i386/i386.opt (march=): Add Negative(march=).
6292         (mtune=): Add Negative(mtune=).
6293         * doc/options.texi: Document Negative used together with Joined
6294         and RejectNegative.
6295
6296 2019-02-22  Martin Sebor  <msebor@redhat.com>
6297
6298         * doc/extend.texi (Other Builtins): Add
6299         __builtin_is_constant_evaluated.
6300
6301 2019-02-22  Richard Biener  <rguenther@suse.de>
6302
6303         PR tree-optimization/87609
6304         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6305
6306 2019-02-22  Jeff Law  <law@redhat.com>
6307
6308         PR rtl-optimization/87761
6309         * config/mips/mips.md: Add new combiner pattern to recognize
6310         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6311
6312 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6313
6314         PR target/89324
6315         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6316         destination register in peepholes generating patterns for ADDS/SUBS.
6317         (add<mode>3_compare0,
6318         *addsi3_compare0_uxtw, add<mode>3_compareC,
6319         add<mode>3_compareV_imm, add<mode>3_compareV,
6320         *adds_<optab><ALLX:mode>_<GPI:mode>,
6321         *subs_<optab><ALLX:mode>_<GPI:mode>,
6322         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6323         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6324         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6325         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6326         sub<mode>3_compare1): Allow stack pointer for source register.
6327         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6328
6329 2019-02-22  Martin Sebor  <msebor@redhat.com>
6330
6331         PR tree-optimization/88993
6332         PR tree-optimization/88853
6333         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6334         New helper.
6335         (sprintf_dom_walker::call_info::is_string_func): New helper.
6336         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6337         for formatted string functions.
6338         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6339
6340 2019-02-22  Martin Sebor  <msebor@redhat.com>
6341
6342         PR c/89425
6343         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6344         unreachable subexpressions.
6345
6346 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6347             Hongtao Liu  <hongtao.liu@intel.com>
6348             Sunil K Pandey  <sunil.k.pandey@intel.com>
6349
6350         PR target/87007
6351         * config/i386/i386-passes.def: Add
6352         pass_remove_partial_avx_dependency.
6353         * config/i386/i386-protos.h
6354         (make_pass_remove_partial_avx_dependency): New.
6355         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6356         New function.
6357         (pass_data_remove_partial_avx_dependency): New.
6358         (pass_remove_partial_avx_dependency): Likewise.
6359         (make_pass_remove_partial_avx_dependency): Likewise.
6360         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6361         (*extendsfdf2): Add avx_partial_xmm_update.
6362         (truncdfsf2): Likewise.
6363         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6364         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6365
6366 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6367
6368         PR middle-end/85598
6369         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6370         analysis for pass.
6371
6372 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6373
6374         PR target/89444
6375         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6376         (PTA_SKYLAKE): Add PTA_AES.
6377         (PTA_GOLDMONT): Likewise.
6378
6379 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6380
6381         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6382         instruction if enabled.
6383         (aarch64_override_options): Remove reference to return address key.
6384
6385 2019-02-22  Richard Biener  <rguenther@suse.de>
6386
6387         PR tree-optimization/89440
6388         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6389         not necessary assert.
6390
6391 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6392
6393         PR fortran/72741
6394         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6395         (oacc_replace_fn_attrib_attr): ... this new function.
6396         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6397         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6398
6399 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6400
6401         * config/arm/arm-cpus.in (ares): Rename to...
6402         (neoverse-n1): ... This.  Add ares as alias.
6403         * config/arm/arm-tables.opt: Regenerate.
6404         * config/arm/arm-tune.md: Likewise.
6405         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6406
6407 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6408
6409         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6410         * config/aarch64/aarch64-tune.md: Regenerate.
6411         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6412
6413 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6414
6415         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6416         (neoversen1_tunings): ... This.
6417         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6418         (neoverse-n1): New CPU.
6419         * config/aarch64/aarch64-tune.md: Regenerate.
6420         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6421
6422 2019-02-22  Richard Biener  <rguenther@suse.de>
6423
6424         PR middle-end/87609
6425         * cfghooks.h (dependence_hash): New typedef.
6426         (struct copy_bb_data): New type.
6427         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6428         (duplicate_block): Likewise.
6429         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6430         (copy_bbs): Create and pass down copy_bb_data.
6431         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6432         (rtl_duplicate_bb): Likewise.
6433         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6434         remap dependence info.
6435
6436 2019-02-22  Richard Biener  <rguenther@suse.de>
6437
6438         PR tree-optimization/87609
6439         * tree-core.h (tree_base): Document special clique values.
6440         * tree-inline.c (remap_dependence_clique): Do not use the
6441         special clique value of one.
6442         (maybe_set_dependence_info): Use clique one.
6443         (clear_dependence_clique): New callback.
6444         (compute_dependence_clique): Clear clique one from all refs
6445         before assigning it (again).
6446
6447 2019-02-21  Martin Sebor  <msebor@redhat.com>
6448
6449         * doc/extend.texi (__clear_cache): Correct signature.
6450
6451 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6452
6453         PR go/89170
6454         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6455         than output_constant_def.
6456         (add_constant_to_table): New static function.
6457         (output_constant_def): Call add_constant_to_table.
6458         (tree_output_constant_def): Likewise.
6459
6460 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6461
6462         PR c++/89285
6463         * builtins.c (fold_builtin_arith_overflow): If first two args are
6464         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6465         to ifn.
6466
6467 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6468
6469         PR target/87412
6470         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6471         error for -mindirect-branch/-mfunction-return with incompatible
6472         -fcf-protection.
6473
6474 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6475
6476         PR bootstrap/88714
6477         * constraints.md (q): Remove.
6478         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6479         instead of q.
6480
6481 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6482
6483         PR hsa/89302
6484         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6485         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6486         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6487         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6488         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6489         proper values to new parameters of omp_adjust_for_condition.
6490
6491 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6492
6493         PR middle-end/89412
6494         * expr.c (expand_assignment): If result is a MEM, use change_address
6495         instead of simplify_gen_subreg.
6496
6497 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6498             David Malcolm  <dmalcolm@redhat.com>
6499
6500         PR middle-end/89091
6501         * fold-const.c (decode_field_reference): Return NULL_TREE if
6502         lang_hooks.types.type_for_size returns NULL.  Check it before
6503         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6504
6505 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6506
6507         PR middle-end/88074
6508         PR middle-end/89415
6509         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6510         buggy mpc_norm.
6511
6512 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6513
6514         PR target/89397
6515         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6516         TARGET_SSE in addition to TARGET_SSE_MATH.
6517
6518         (ix86_excess_precision): Ditto.
6519         (ix86_float_exceptions_rounding_supported_p): Ditto.
6520         (use_rsqrt_p): Ditto.
6521         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6522
6523 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6524
6525         PR c/89410
6526         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6527         linenum_arith_t when determining if two adjacent line spans are
6528         close enough to merge.
6529         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6530         lines within each line_span.
6531
6532 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6533
6534         PR target/86487
6535         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6536         paradoxical SUBREGS.
6537
6538 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6539
6540         PR target/88100
6541         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6542         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6543         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6544         range checking it.
6545
6546 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6547
6548         * config/gcn/gcn.c (print_operand): Fix typo.
6549
6550 2019-02-19  Richard Biener  <rguenther@suse.de>
6551
6552         PR middle-end/88074
6553         * toplev.c (do_compile): Initialize mpfr's exponent range
6554         based on available float modes.
6555
6556 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6557
6558         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6559         as long as the epilogue isn't completed.
6560
6561 2019-02-18  Martin Sebor  <msebor@redhat.com>
6562
6563         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6564         __has_cpp_attribute, and __has_include.
6565
6566 2019-02-18  Martin Sebor  <msebor@redhat.com>
6567
6568         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6569
6570 2019-02-18  Martin Sebor  <msebor@redhat.com>
6571
6572         PR middle-end/89294
6573         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6574         expression.
6575         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6576
6577 2019-02-18  Richard Biener  <rguenther@suse.de>
6578
6579         PR tree-optimization/89296
6580         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6581         of no-warning flag to cases that might emit the bogus warning.
6582
6583 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6584
6585         PR bootstrap/88714
6586         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6587         "q" constraint.
6588         * config/arm/vfp.md (*movdi_vfp): Likewise.
6589         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6590         "q" constraint for operands[0].
6591
6592         PR target/89369
6593         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6594         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6595         pattern in a temporary buffer.
6596         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6597         than 64-operands[2].
6598
6599         PR target/89361
6600         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6601         s390_indirect_branch_settings): Define unconditionally.
6602         (s390_set_current_function): Likewise, but guard the whole body except
6603         the s390_indirect_branch_settings call with
6604         #if S390_USE_TARGET_ATTRIBUTE.
6605         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6606
6607         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6608         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6609         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6610         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6611         HOST_WIDE_INT_1U instead of 1ULL.
6612         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6613         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6614         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6615         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6616         instead of 1UL.
6617         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6618         instead of 1ul.
6619
6620 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6621
6622         PR tree-optimization/89209
6623         * tree-sra.c (create_access_replacement): New optional parameter
6624         reg_tree.  Use it as a type if non-NULL and access type is not of
6625         a register type.
6626         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6627         to create_access_replacement.
6628         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6629         Check lacc is non-NULL before attempting to re-create it on the RHS.
6630
6631 2019-02-18  Martin Liska  <mliska@suse.cz>
6632
6633         PR ipa/89306
6634         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6635         by default.
6636         (symbol_table::free_edge): Recycle m_summary_id.
6637         * cgraph.h (get_summary_id): New.
6638         (symbol_table::release_symbol): Set m_summary_id to -1
6639         by default.
6640         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6641         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6642         function_summary to fast_function_summary.
6643         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6644         * ipa-pure-const.c (class funct_state_summary_t):
6645         Switch from function_summary to fast_function_summary.
6646         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6647         (class ipa_ref_opt_summary_t): Switch from function_summary
6648         to fast_function_summary.
6649         * symbol-summary.h (class function_summary_base): New class
6650         that is created from base of former function_summary.
6651         (function_summary_base::unregister_hooks): New.
6652         (class function_summary): Inherit from function_summary_base.
6653         (class call_summary_base): New class
6654         that is created from base of former call_summary.
6655         (class call_summary): Inherit from call_summary_base.
6656         (struct is_same): New.
6657         (class fast_function_summary): New summary class.
6658         (class fast_call_summary): New summary class.
6659         * vec.h (vec_safe_grow_cleared): New function.
6660
6661 2019-02-18  Martin Liska  <mliska@suse.cz>
6662
6663         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6664         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6665         * doc/tm.texi: Document new target hook.
6666         * doc/tm.texi.in: Likewise.
6667         * target.def: Add new target macro.
6668         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6669         suffixes.
6670
6671 2019-02-17  Alan Modra  <amodra@gmail.com>
6672
6673         PR target/89271
6674         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6675         output reg on add insn.
6676         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6677
6678 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6679
6680         PR target/89372
6681         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6682         (PMULHRSW): Likewise.
6683         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6684         TARGET_AVX2.
6685         (ssse3_pmulhrswv4hi3): New expander.
6686
6687 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6688
6689         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6690         MMX.  Add isa attribute.
6691
6692 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6693
6694         PR rtl-optimization/66152
6695         * builtins.h (c_readstr): Declare.
6696         * builtins.c (c_readstr): Remove forward declaration.  Add
6697         null_terminated_p argument, if false, read all bytes from the
6698         string instead of stopping after '\0'.
6699         * expr.c (string_cst_read_str): New function.
6700         (store_expr): Use string_cst_read_str instead of
6701         builtin_strncpy_read_str.  Try to store by pieces the whole
6702         exp_len first, and only if that fails, split it up into
6703         store by pieces followed by clear_storage.  Formatting fix.
6704
6705         * config/i386/i386.md (*movqi_internal): Remove static from
6706         buf variable.  Use output_asm_insn (buf, operands); return "";
6707         instead of return buf;.
6708         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6709         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6710         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6711
6712 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6713
6714         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6715         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6716         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6717         (CC1_SPEC): Likewise.
6718         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6719
6720 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6721
6722         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6723         the base address on 64-bit strict-alignment platforms.
6724
6725 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6726
6727         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6728
6729 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6730
6731         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6732
6733 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6734
6735         PR rtl-optimization/88308
6736         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6737         on copied instruction.
6738
6739 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6740
6741         * final.c (insn_current_reference_address): Replace test on JUMP_P
6742         with test on jump_to_label_p.
6743         * config/visium/visium-passes.def: New file.
6744         * config/visium/t-visium (PASSES_EXTRA): Define.
6745         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6746         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6747         (TRAMPOLINE_ALIGNMENT): Define.
6748         * config/visium/visium.c (visium_option_override): Do not register
6749         the machine-specific reorg pass here.
6750         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6751         for the GR6.
6752         (output_branch): Adjust threshold for long branch instruction.
6753         * config/visium/visium.md (cpu): Move around.
6754         (length): Adjust for the GR6.
6755
6756 2019-02-15  Richard Biener  <rguenther@suse.de>
6757             Jakub Jelinek  <jakub@redhat.com>
6758
6759         PR tree-optimization/89278
6760         * tree-loop-distribution.c: Include tree-eh.h.
6761         (generate_memset_builtin, generate_memcpy_builtin): Call
6762         rewrite_to_non_trapping_overflow on builtin->size before passing it
6763         to force_gimple_operand_gsi.
6764
6765 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6766
6767         PR other/89342
6768         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6769         optimize_debug.
6770         * opth-gen.awk: Likewise.
6771
6772 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6773
6774         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6775         Enable MMX, SSE and SSE2 by default.
6776         * config/i386/i386.c (ix86_option_override_internal): Do not
6777         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6778
6779 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6780
6781         PR rtl-optimization/89354
6782         * combine.c (make_extraction): Punt if extraction_mode is narrower
6783         than len bits.
6784
6785 2019-02-14  Maya Rashish  <coypu@sdf.org>
6786
6787         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6788         * config/netbsd-d.c: New file.
6789         * config/t-netbsd: Add netbsd-d.o
6790
6791 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6792
6793         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6794         affects_type_identity to true for aarch64_vector_pcs.
6795         (aarch64_comp_type_attributes): New function.
6796         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6797
6798 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6799
6800         PR target/88850
6801         * config/arm/iterators.md (ANY64): Add V4HF.
6802
6803 2019-02-14  Martin Liska  <mliska@suse.cz>
6804
6805         PR rtl-optimization/89242
6806         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6807         process a transformation.
6808
6809 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6810
6811         PR tree-optimization/89314
6812         * fold-const.c (fold_binary_loc): Cast strlen argument to
6813         const char * before dereferencing it.  Formatting fixes.
6814
6815         PR middle-end/89284
6816         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6817
6818 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6819
6820         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6821         and set current index for other optimizations.
6822
6823 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6824
6825         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6826         nonimmediate_operand as operand 2 predicate.
6827         (vec_set<VF2_512_256:mode>_0): Ditto.
6828         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6829         (*vec_concatv2si): Remove alternative 2.
6830         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6831         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6832         (vec_concatv2di): Split alternatives 4,5,6 to ...
6833         (*vec_concatv2di_0) ... new pattern.
6834
6835 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6836
6837         PR target/89190
6838         * config/arm/arm.c (ldm_stm_operation_p) Set
6839         addr_reg_in_reglist correctly for first register.
6840         (load_multiple_sequence): Remove dead base check.
6841         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6842
6843 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6844
6845         PR target/88847
6846         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6847         Expose as @aarch64_pred_mov.
6848         * config/aarch64/aarch64.c (aarch64_classify_address):
6849         Use expand_insn which legitimizes operands.
6850
6851 2019-02-13  Martin Liska  <mliska@suse.cz>
6852
6853         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6854         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6855         and pointer_offset fields.
6856         (initialize_argument_information): Remove usage of dead
6857         fields.
6858         * cgraph.h (struct cgraph_thunk_info): Remove
6859         add_pointer_bounds_args.
6860         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6861         fields.
6862         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6863         fields.
6864         * config/i386/i386.c (ix86_function_arg_advance): Remove
6865         unrelated comment.
6866         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6867         (def_builtin):  Remove usage of dead
6868         fields.
6869         (ix86_add_new_builtins): Likewise.
6870         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6871         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6872         (sem_function::init): Likewise.
6873         (sem_variable::merge): Likewise.
6874         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6875         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6876         * lto-cgraph.c (lto_output_node): Likewise.
6877         (lto_output_varpool_node): Likewise.
6878         (input_node): Likewise.
6879         (input_varpool_node): Likewise.
6880         * lto-streamer-out.c (lto_output): Likewise.
6881         * tree-inline.c (expand_call_inline): Remove usage of
6882         assign_stmts.
6883         * tree-inline.h (struct copy_body_data): Likewise.
6884         * varpool.c (varpool_node::dump): Likewise.
6885
6886 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6887
6888         PR middle-end/89303
6889         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6890         into pt->vars_contains_escaped_heap instead of setting
6891         pt->vars_contains_escaped_heap to it.
6892
6893         PR middle-end/89281
6894         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6895         INTVAL (size), compare it to GET_MODE_MASK instead of
6896         1 << GET_MODE_BITSIZE.
6897
6898         PR target/89290
6899         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6900         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6901         -mcmodel=large.
6902
6903 2019-02-13  Martin Liska  <mliska@suse.cz>
6904
6905         PR lto/88858
6906         * cfgrtl.c (remove_barriers_from_footer): New function.
6907         (try_redirect_by_replacing_jump): Use it.
6908         (cfg_layout_redirect_edge_and_branch): Likewise.
6909
6910 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6911
6912         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6913         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6914         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6915         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6916         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6917         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6918         New BU_CRYPTO_2.
6919         * config/rs6000/rs6000.c (builtin_function_type)
6920         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6921         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6922         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6923         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6924         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6925
6926 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6927
6928         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6929         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6930
6931 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6932
6933         PR target/89229
6934         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6935         268678 and revision 268657.
6936         (*movti_internal): Likewise.
6937
6938 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6939
6940         PR target/89233
6941         * config/s390/s390.c (s390_decompose_address): Update comment.
6942         (s390_check_qrst_address): Reject invalid address forms after
6943         LRA.
6944
6945 2019-02-12  Martin Liska  <mliska@suse.cz>
6946
6947         PR lto/88876
6948         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6949         we need default values of funct_state for a function that
6950         is not optimized.
6951
6952 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6953
6954         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6955         the object to pick the size of stores on strict-alignment platforms.
6956
6957         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6958         (*movdi_insn_sp32): Likewise.
6959         (*movdi_insn_sp64): Likewise.
6960
6961 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6962
6963         PR lto/88677
6964         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6965         types that needs constructiong.
6966         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6967
6968 2019-02-12  Richard Biener  <rguenther@suse.de>
6969
6970         PR tree-optimization/89253
6971         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6972         duplicate the loop.
6973
6974 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6975
6976         PR lto/88147
6977         * input.c (selftest::test_line_offset_overflow): New selftest.
6978         (selftest::input_c_tests): Call it.
6979
6980 2019-02-11  Martin Sebor  <msebor@redhat.com>
6981
6982         PR tree-optimization/88771
6983         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6984         when -Wstringop-overflow is set.
6985         (builtin_memref::builtin_memref): Adjust excessive upper bound
6986         only when lower bound is not excessive.
6987         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6988         -Wstringop-ovefflow.
6989         (maybe_diag_offset_bounds): Rename...
6990         (maybe_diag_access_bounds): ...to this.
6991         (check_bounds_or_overlap): Adjust for name change above.
6992
6993 2019-02-11  Martin Sebor  <msebor@redhat.com>
6994
6995         PR c++/87996
6996         * builtins.c (max_object_size): Move from here...
6997         * builtins.h (max_object_size): ...and here...
6998         * tree.c (max_object_size): ...to here...
6999         * tree.h (max_object_size): ...and here.
7000
7001 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7002
7003         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7004         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7005         for correct semantics.
7006
7007 2019-02-11  Alan Modra  <amodra@gmail.com>
7008
7009         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7010         -mlongcall and -mpltseq.
7011         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7012         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7013         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7014         * config/rs6000/sysv4.opt (mpltseq): New option.
7015         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7016         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7017         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7018         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7019         -mpltseq given for ELFv1.
7020         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7021         Only use UNSPEC_PLTSEQ for inline PLT calls.
7022         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7023         use UNSPEC_PLTSEQ for inline PLT calls.
7024         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7025         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7026         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7027         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7028         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7029         (pltseq_mtctr_<mode>): Likewise.
7030
7031 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7032
7033         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7034         Solaris ld.
7035         * configure: Regenerate.
7036
7037 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7038
7039         PR bootstrap/88714
7040         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7041         instead of r.
7042
7043 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7044
7045         * function.c (assign_parm_setup_block): Use the stored
7046         size, not the passed size, when allocating stack-space,
7047         also for a parameter with alignment larger than
7048         MAX_SUPPORTED_STACK_ALIGNMENT.
7049
7050 2019-02-11  Martin Liska  <mliska@suse.cz>
7051
7052         PR ipa/89009
7053         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7054         * ipa-inline.c (inline_small_functions): Likewise.
7055         * ipa-pure-const.c (propagate_pure_const): Likewise.
7056         (propagate_nothrow): Likewise.
7057         * ipa-reference.c (propagate): Likewise.
7058         * ipa-utils.c (struct searchc_env): Remove unused field.
7059         (searchc): Always search across AVAIL_INTERPOSABLE.
7060         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7061         the only called IPA pure const can properly not propagate
7062         across interposable boundary.
7063         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7064
7065 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7066
7067         * config/nds32/nds32.md (call_internal, call_value_internal,
7068         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7069
7070 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7071
7072         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7073         typo.
7074
7075 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7076
7077         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7078         in comments
7079
7080 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7081
7082         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7083
7084 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7085
7086         PR tree-optimization/89268
7087         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7088         if preds is non-NULL.
7089
7090 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7091
7092         PR lto/89272
7093         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7094         polymorphic types.
7095
7096 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7097
7098         * config/nds32/nds32.md (trap): New pattern.
7099
7100 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7101
7102         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7103         dwarf span.
7104
7105 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7106
7107         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7108         to split POST_INC.
7109
7110 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7111
7112         * ipa-visibility.c (localize_node): Also do not localize
7113         LDPR_PREVAILING_DEF_IRONLY_EXP.
7114
7115 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7116
7117         PR lto/87957
7118         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7119         instead of type_with_linkage.
7120
7121 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7122
7123         PR ipa/88755
7124         * params.def (uninlined-function-insns, uninlined-function-time,
7125         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7126         bound so we don't get overflows.
7127
7128 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7129
7130         * config/rs6000/rs6000-string.c (expand_compare_loop,
7131         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7132         memcmp/strncmp.
7133
7134 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7135
7136         PR middle-end/89246
7137         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7138         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7139         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7140
7141 2019-02-09  Alan Modra  <amodra@gmail.com>
7142
7143         PR target/88343
7144         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7145         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7146         setup.
7147
7148 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7149
7150         PR middle-end/88560
7151         * lra-constraints.c (process_alt_operands): Don't increase reject
7152         for memory when offset memory is required.
7153
7154 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7155
7156         * config/s390/vector.md: Implement vector copysign.
7157
7158 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7159
7160         * expr.c (expand_constructor): Correct indentations.
7161
7162 2019-02-08  Richard Biener  <rguenther@suse.de>
7163
7164         PR tree-optimization/89247
7165         * tree-if-conv.c: Include tree-cfgcleanup.h.
7166         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7167         (tree_if_conversion): Pass through predicate vector.
7168         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7169         inline, see if any if-converted loops we refrece in
7170         LOOP_VECTORIZED calls vanished and fixup.
7171         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7172
7173 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7174
7175         * config/s390/constraints.md (jdd): New constraint.
7176
7177 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7178
7179         PR target/89229
7180         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7181         upper 16 vector registers without TARGET_AVX512VL.
7182         (*movti_internal): Likewise.
7183
7184 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7185
7186         PR rtl-optimization/89234
7187         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7188         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7189         (copy_reg_eh_region_note_backward): Likewise.
7190
7191 2019-02-08  Richard Biener  <rguenther@suse.de>
7192
7193         PR middle-end/89223
7194         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7195         doesn't fit in HWI.
7196         (analyze_subscript_affine_affine): Handle failure from
7197         initialize_matrix_A.
7198
7199 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7200
7201         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7202         cfun everywhere.
7203
7204 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7205
7206         PR tree-optimization/86637
7207         PR tree-optimization/89235
7208         * tree-vect-loop.c (optimize_mask_stores): Add an
7209         auto_purge_vect_location sentinel to ensure that vect_location is
7210         purged on exit.
7211         * tree-vectorizer.c
7212         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7213         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7214         to ensure that vect_location is purged on exit.
7215         (pass_slp_vectorize::execute): Likewise, replacing the manual
7216         reset.
7217         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7218
7219 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7220
7221         * config/aarch64/iterators.md (max_opp): New code_attr.
7222         (USMAX): New code iterator.
7223         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7224         (aarch64_smax): Likewise.
7225         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7226         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7227         MINUS (MAX MIN).
7228
7229 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7230
7231         PR target/89229
7232         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7233         for TARGET_AVX512VL.
7234         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7235
7236 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7237
7238         * config/s390/s390-builtin-types.def: Add new types.
7239         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7240         (s390_vec_xlw4): Make the memory operand into a const pointer.
7241         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7242         float.
7243         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7244         a new vector type with the alignment of the scalar memory operand.
7245
7246 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7247             Jakub Jelinek  <jakub@redhat.com>
7248
7249         PR bootstrap/88714
7250         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7251         arm_count_ldrdstrd_insns): New declarations.
7252         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7253         MINUS.
7254         (valid_operands_ldrd_strd): New function.
7255         (arm_count_ldrdstrd_insns): New function.
7256         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7257         sets instead of single DImode set and define new insns to match this.
7258
7259 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7260
7261         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7262         Make it a C initializer.
7263
7264 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7265
7266         PR/target 88850
7267         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7268
7269 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7270
7271         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7272         Use neon_dot<q> for type.
7273         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7274
7275 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7276
7277         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7278         Use neon_dot<q> for type.
7279         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7280         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7281
7282 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7283
7284         PR rtl-optimization/89225
7285         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7286         sizes check.
7287
7288 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7289
7290         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7291         after restoring registers saved to allocate the frame on Windows.
7292
7293 2019-02-06  Richard Biener  <rguenther@suse.de>
7294
7295         PR tree-optimization/89182
7296         * graphite.h (cached_scalar_evolution_in_region): Declare.
7297         * graphite.c (struct seir_cache_key): New.
7298         (struct sese_scev_hash): Likewise.
7299         (seir_cache): New global.
7300         (cached_scalar_evolution_in_region): New function.
7301         (graphite_transform_loops): Allocate and release seir_cache.
7302         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7303         cached_scalar_evolution_in_region.
7304         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7305         Simplify.
7306         (scop_detection::graphite_can_represent_expr: Use
7307         cached_scalar_evolution_in_region.
7308         (scop_detection::stmt_simple_for_scop_p): Likewise.
7309         (find_params_in_bb): Likewise.
7310         (gather_bbs::before_dom_children): Likewise.
7311         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7312         (add_loop_constraints): Likewise.
7313
7314 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7315
7316         PR middle-end/89210
7317         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7318         operand to new_unary_operation only if both element types are integral
7319         and it isn't a widening conversion.  Return NULL_TREE if
7320         new_unary_operation failed.
7321
7322 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7323
7324         PR target/88856
7325         * config/s390/s390.md: Remove load and test FP splitter.
7326
7327 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7328
7329         PR target/89112
7330         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7331         expand_compare_loop, expand_block_compare_gpr,
7332         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7333         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7334         #include "profile-count.h" and "predict.h" for types and functions
7335         needed to work with REG_BR_PROB notes.
7336
7337 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7338
7339         PR target/89112
7340         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7341         for the long branch case.
7342
7343 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7344
7345         PR target/89188
7346         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7347         can throw, non-call exceptions are enabled and we can't delete
7348         dead exceptions or alter cfg.  Set must_clean if
7349         delete_insn_and_edges returns true, don't set it blindly for calls.
7350         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7351
7352         PR rtl-optimization/89195
7353         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7354         of the original MEM.
7355
7356 2019-02-05  Martin Liska  <mliska@suse.cz>
7357
7358         PR gcov-profile/89000
7359         * gcov.c (function_summary): Remove argument.
7360         (file_summary): New function.
7361         (print_usage): Replace tabs with spaces.
7362         (generate_results): Use new function file_summary.
7363
7364 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7365
7366         PR target/89186
7367         * optabs.c (prepare_cmp_insn): Pass x and y to
7368         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7369
7370 2019-02-05  Richard Biener  <rguenther@suse.de>
7371
7372         PR middle-end/89150
7373         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7374         (struct bitmap_element): Drop chain_prev so we properly recurse on
7375         the prev member, supporting tree views.
7376         (struct bitmap_head): GTY skip the obstack member.
7377
7378 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7379
7380         PR c/88698
7381         * doc/extend.texi (Vector Extensions): Add an example of using vector
7382         types together with x86 intrinsics.
7383
7384 2019-02-04  Alan Modra  <amodra@gmail.com>
7385
7386         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7387         str[] size to 160, and comment.
7388
7389 2019-02-04  Alan Modra  <amodra@gmail.com>
7390
7391         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7392         (rs6000_pltseq_template): Guard output of TLS markers with
7393         TARGET_TLS_MARKERS.
7394         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7395         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7396         to use inline PLT sequences.
7397         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7398         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7399         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7400
7401 2019-02-04  Martin Liska  <mliska@suse.cz>
7402
7403         PR ipa/88985
7404         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7405         out when ipa_fn_summaries does not contain entry for callee.
7406
7407 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7408
7409         * config/sparc/sparc.h: Remove superfluous blank lines.
7410         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7411         (got_register_rtx): ...this.
7412         (sparc_got): Adjust to above renaming.
7413         (sparc_tls_got): Likewise.
7414         (sparc_delegitimize_address): Likewise.
7415         (sparc_output_mi_thunk): Likewise.
7416         (sparc_init_pic_reg): Likewise.
7417         (save_local_or_in_reg_p): Fix test on the GOT register.
7418         (USE_HIDDEN_LINKONCE): Move around.
7419         (get_pc_thunk_name): Likewise.
7420         (gen_load_pcrel_sym): Likewise.
7421         (load_got_register): Likewise.
7422
7423 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7424
7425         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7426         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7427
7428 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7429
7430         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7431         into consideration.
7432
7433 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7434
7435         * config.gcc (with_nds32_lib, glibc):
7436         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7437         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7438         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7439
7440 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7441
7442         PR target/89071
7443         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7444         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7445         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7446         (*rcpsf2_sse): Ditto.
7447         (*rsqrtsf2_sse): Ditto.
7448         (sse4_1_round<mode<2): Ditto.
7449
7450 2019-02-03  Richard Biener  <rguenther@suse.de>
7451
7452         PR debug/87295
7453         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7454         orig.
7455
7456 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7457
7458         PR middle-end/87887
7459         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7460         Punt with warning on aggregate return or argument types.  Ignore
7461         type/mode checking for uniform arguments.
7462
7463 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7464
7465         * combine.c (try_combine): Do not print "Can't combine" messages unless
7466         printing failed combination attempts.
7467
7468 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7469
7470         PR hsa/87863
7471         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7472         segment and global segment variables before making them static.
7473
7474 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7475
7476         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7477         missed optimization dump with dump_enabled_p.
7478
7479 2019-02-01  Richard Biener  <rguenther@suse.de>
7480
7481         PR middle-end/88597
7482         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7483         the instantiate cache.
7484         (instantiate_scev_binary): Elide second operand procesing
7485         if equal to the first.
7486         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7487         (chrec_contains_undetermined): Likewise.
7488         (tree_contains_chrecs): Likewise.
7489
7490 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7491
7492         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7493
7494 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7495
7496         PR tree-optimization/89143
7497         * wide-int-range.h (wide_int_range_absu): Declare.
7498         * wide-int-range.cc (wide_int_range_absu): New function.
7499         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7500
7501         PR tree-optimization/88107
7502         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7503         instead of assertion that eh_region_outermost is non-NULL, if it
7504         is NULL, set *ALL to true and return NULL.
7505         (move_sese_region_to_fn): Adjust caller, if all is set, call
7506         duplicate_eh_regions with NULL region.
7507
7508 2019-02-01  Richard Biener  <rguenth@suse.de>
7509
7510         PR rtl-optimization/88593
7511         * mode-switching.c (optimize_mode_switching): Free dominators before
7512         calling cleanup_cfg.
7513
7514 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7515
7516         PR tree-optimization/88932
7517         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7518
7519 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7520
7521         PR middle-end/89137
7522         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7523         bogus clang warning.
7524
7525 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7526
7527         PR target/89071
7528         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7529         alternative to avoid partial SSE register stall for TARGET_AVX.
7530         (truncdfsf2): Ditto.
7531         (sse4_1_round<mode>2): Ditto.
7532
7533 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7534
7535         PR tree-optimization/89008
7536         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7537         process anything of the form X * 0.
7538
7539 2019-01-31  Richard Biener  <rguenther@suse.de>
7540
7541         PR tree-optimization/89135
7542         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7543         with abnormal preds.
7544
7545 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7546
7547         PR sanitizer/89124
7548         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7549         always_inline callees into no_sanitize_address callers.
7550
7551 2019-01-31  Richard Biener  <rguenther@suse.de>
7552
7553         PR rtl-optimization/89115
7554         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7555
7556 2019-01-30  Martin Sebor  <msebor@redhat.com>
7557
7558         PR other/89106
7559         * doc/extend.texi (cast to a union): Correct and expand.
7560
7561 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7562
7563         PR rtl-optimization/87246
7564         * lra-constraints.c (simplify_operand_subreg): Reload memory
7565         in subreg if the address became invalid.
7566
7567 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7568
7569         PR target/87064
7570         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7571         Disable for little-endian.
7572
7573 2019-01-30  Richard Biener  <rguenther@suse.de>
7574
7575         PR rtl-optimization/89115
7576         * opts.c (default_options_optimization): Reduce
7577         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7578         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7579         to the default.
7580
7581 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7582
7583         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7584         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7585         type of vector element when vec_extract is implemented by direct
7586         move.
7587
7588 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7589
7590         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7591
7592 2019-01-30  Richard Biener  <rguenther@suse.de>
7593
7594         PR tree-optimization/89111
7595         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7596         canonicalization to appropriately sized access types.
7597
7598 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7599
7600         PR c++/89105
7601         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7602         for arguments to functions that are TU-local and shouldn't be
7603         referenced by assembly.
7604
7605 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7606
7607         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7608         after '='.
7609
7610 2019-01-29  Martin Sebor  <msebor@redhat.com>
7611
7612         PR c/88956
7613         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7614
7615 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7616
7617         PR c++/66676
7618         PR ipa/89104
7619         * omp-simd-clone.c (simd_clone_clauses_extract)
7620         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7621         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7622
7623 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7624
7625         * config.gcc: Force .init_array for ARC.
7626
7627 2019-01-29  Richard Biener  <rguenther@suse.de>
7628
7629         PR debug/87295
7630         * dwarf2out.c (collect_skeleton_dies): New helper.
7631         (copy_decls_for_unworthy_types): Call it.
7632         (build_abbrev_table): Assert we do not try to replace
7633         DW_AT_signature refs with local refs.
7634
7635 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7636
7637         PR middle-end/89002
7638         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7639         for lastprivate/linear IV, push gimplify context around gimplify_assign
7640         and, if it needed any temporaries, pop it into a gimple bind around the
7641         sequence.
7642
7643 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7644
7645         * common.opt (-Wattribute-alias): Remove "no-" from name.
7646         Make -Wattribute-alias command line option and
7647         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7648
7649 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR target/89073
7652         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7653         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7654         x86 ISA options.
7655         (bmi2): Add missing @opindex.
7656         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7657         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7658         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7659         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7660         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7661         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7662         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7663         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7664         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7665         xsavec, xsaveopt and xsaves options.
7666
7667 2019-01-28  Richard Biener  <rguenther@suse.de>
7668
7669         PR debug/89076
7670         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7671         support removal.
7672
7673 2019-01-28  Richard Biener  <rguenther@suse.de>
7674
7675         PR tree-optimization/88739
7676         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7677         BIT_FIELD_REFs only are applied to mode-precision operands
7678         when they are integral.
7679         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7680         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7681         BIT_FIELD_REFs of non-mode-precision integral operands.
7682
7683 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7684
7685         PR target/87214
7686         * config/i386/sse.md
7687         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7688         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7689         first constants in pairs are multiples of 2.  Formatting fixes.
7690         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7691         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7692         first constants in each quadruple are multiples of 4.  Formatting fixes.
7693
7694 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7695
7696         PR ipa/88933
7697         * tree-inline.c: Include tree-cfgcleanup.h.
7698         (delete_unreachable_blocks_update_callgraph): Move...
7699         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7700         ...here, make externally visible, make second argument bool, adjust
7701         all callers.
7702         * tree-cfgcleanup.c: Include cgraph.h.
7703         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7704         Declare.
7705         * ipa-prop.c: Include tree-cfgcleanup.h.
7706         (ipcp_transform_function): Call
7707         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7708
7709 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7710
7711         PR rtl-optimization/88846
7712         * ira.c (process_set_for_memref_referenced_p): New.
7713         (memref_referenced_p): Add new param.  Use
7714         process_set_for_memref_referenced_p.  Add new switch cases.
7715         (memref_used_between_p): Pass new arg to memref_referenced_p.
7716
7717 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7718
7719         PR target/88469
7720         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7721         argument ABI_BREAK.  Set to true if the calculated alignment has
7722         changed in gcc-9.  Check bit-fields for their base type alignment.
7723         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7724         (aarch64_function_arg_boundary): Likewise.
7725         (aarch64_gimplify_va_arg_expr): Likewise.
7726
7727 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7728
7729         PR middle-end/89037
7730         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7731         instead of accessing TREE_INT_CST_ELT directly.
7732
7733 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7734
7735         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7736         fenv_exceptions description.
7737
7738 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7739
7740         PR rtl-optimization/87763
7741         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7742         Allow SUBREG when matching CC_NZmode compare.
7743
7744 2019-01-25  Richard Biener  <rguenther@suse.de>
7745
7746         PR tree-optimization/89049
7747         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7748         Look at the pattern stmt to determine if the stmt is vectorized.
7749
7750 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7751
7752         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7753         (pred_mov<mode>): Handle all-register forms using both a new
7754         alternative and a split.
7755
7756 2019-01-25  Richard Biener  <rguenther@suse.de>
7757
7758         PR tree-optimization/86865
7759         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7760         Reject non-do-while loops.
7761
7762 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7763
7764         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7765         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7766         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7767         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7768         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7769         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7770         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7771         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7772         vlogical_operand, gpc_reg_operand, int_reg_operand,
7773         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7774         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7775         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7776         (save_world_operation, restore_world_operation, lmw_operation,
7777         stmw_operation): Use MEM_P and REG_P.
7778         (tie_operand): Use MEM_P.
7779         (vrsave_operation, crsave_operation): Use REG_P.
7780         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7781         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7782         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7783         (call_operand): Use HARD_REGISTER_P.
7784         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7785         Use CONST_INT_P.
7786         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7787         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7788         quad_aligned_load_p, replace_swapped_aligned_store,
7789         recombine_lvx_pattern, replace_swapped_aligned_load,
7790         recombine_stvx_pattern): Use MEM_P.
7791         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7792         Use MEM_P and SYMBOL_REF_P.
7793         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7794         (insn_is_swappable_p): Use REG_P and MEM_P.
7795         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7796         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7797         Use CONST_INT_P.
7798         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7799         Use CONST_DOUBLE_P.
7800         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7801         CONST_WIDE_INT_P.
7802         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7803         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7804         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7805         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7806         reg_or_subregno:
7807         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7808         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7809         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7810         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7811         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7812         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7813         rs6000_split_logical_di): Use CONST_INT_P.
7814         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7815         REG_P and SYMBOL_REF_P.
7816         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7817         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7818         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7819         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7820         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7821         (small_data_operand, print_operand_address): Use CONST_INT_P and
7822         SYMBOL_REF_P.
7823         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7824         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7825         Use HARD_REGISTER_NUM_P.
7826         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7827         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7828         SUBREG_P and SYMBOL_REF_P.
7829         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7830         and HARD_REGISTER_NUM_P.
7831         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7832         reg_or_subregno.
7833         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7834         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7835         MEM_P and REG_P.
7836         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7837         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7838         find_addr_reg): Use REG_P.
7839         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7840         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7841         (offsettable_ok_by_alignment, constant_pool_expr_p,
7842         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7843         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7844         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7845         rs6000_assemble_integer, create_TOC_reference,
7846         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7847         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7848         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7849         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7850         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7851         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7852         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7853         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7854         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7855         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7856         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7857         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7858         and cbranch<mode>4): Use CONST_INT_P.
7859         (multiple define_splits): Use REG_P and SUBREG_P.
7860         (define_expands call, call_value): Use MEM_P.
7861         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7862         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7863         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7864         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7865         and HARD_REGISTER_NUM_P.
7866         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7867
7868 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7869
7870         PR rtl-optimization/88948
7871         * rtl.h (prepare_copy_insn): New prototype.
7872         * gcse.c (prepare_copy_insn): New function, split out from
7873         process_insert_insn.
7874         (process_insert_insn): Use prepare_copy_insn.
7875         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7876         instead of gen_move_insn.
7877
7878 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7879
7880         PR debug/89006
7881         * config/i386/i386.c (ix86_pic_register_p): Return true for
7882         UNSPEC_SET_GOT too.
7883
7884         PR tree-optimization/88964
7885         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7886         punt if HONOR_SNANS (chrec).
7887
7888         PR middle-end/89015
7889         * tree-nested.c (convert_nonlocal_reference_stmt,
7890         convert_local_reference_stmt, convert_tramp_reference_stmt,
7891         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7892         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7893         or GIMPLE_OMP_TASK.
7894
7895         PR tree-optimization/89027
7896         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7897         for "omp simd array" variables.
7898
7899 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7900
7901         PR target/88469
7902         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7903         force the alignment of m_val.
7904
7905 2019-01-24  Richard Biener  <rguenther@suse.de>
7906
7907         PR lto/87187
7908         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7909         When in "legacy" debug mode make sure to reset self-origins.
7910
7911 2019-01-24  Martin Liska  <mliska@suse.cz>
7912
7913         PR gcov-profile/88994
7914         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7915         result will be always smaller or equal to the original.
7916         * gcov.c (mangle_name): Fix else branch where we should
7917         also copy to PTR and shift the pointer.
7918
7919 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7920
7921         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7922         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7923
7924 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
7925
7926         * common/config/i386/i386-common.c
7927         (OPTION_MASK_ISA_ENQCMD_SET,
7928         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
7929         (ix86_handle_option): Handle -menqcmd.
7930         * config.gcc (enqcmdintrin.h): New header file.
7931         * config/i386/cpuid.h (bit_ENQCMD): New bit.
7932         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
7933         -menqcmd.
7934         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
7935         function type.
7936         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
7937         __builtin_ia32_enqcmds): New builtins.
7938         * config/i386/i386-c.c (__ENQCMD__): New macro.
7939         * config/i386/i386-option.c (ix86_target_string): Add
7940         -menqcmd.
7941         (ix86_valid_target_attribute_inner_p): Likewise.
7942         * config/i386/i386-expand.c
7943         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
7944         IX86_BUILTIN_ENQCMDS.
7945         * config/i386/i386.h (TARGET_ENQCMD): New.
7946         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
7947         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
7948         (movdir64b_<mode>): Parameterize to enable share expansion code
7949         with ENQCMD in function ix86_expand_builtin.
7950         * config/i386/i386.opt: Add -menqcmd.
7951         * config/i386/immintrin.h: Include enqcmdintrin.h.
7952         * config/i386/enqcmdintrin.h: New intrinsic file.
7953         * doc/invoke.texi: Add -menqcmd.
7954
7955 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7956             Steve Ellcey <sellcey@marvell.com>
7957
7958         PR target/85711
7959         * recog.c (address_operand): Return false on wrong mode for address.
7960         (constrain_operands): Check for mode with 'p' constraint.
7961
7962 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7963
7964         PR target/88998
7965         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7966         Disparage MMX alternative.
7967         (sse2_cvtpd2pi): Ditto.
7968         (sse2_cvttpd2pi): Ditto.
7969
7970 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7971
7972         PR driver/89014
7973         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7974         use-after-free of the result of
7975         aarch64_get_extension_string_for_isa_flags.
7976
7977 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7978
7979         PR c/44715
7980         * doc/extend.texi: Document break and continue behavior in
7981         statement expressions.
7982
7983 2019-01-23  Richard Biener  <rguenther@suse.de>
7984
7985         PR tree-optimization/89008
7986         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7987         not leave another stray operand.
7988
7989 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7990
7991         * BASE-VER: Bump to 9.0.1.
7992
7993 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7994
7995         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7996         thunk that returns by reference, use the type of the return object
7997         of the thunk instead of that of the alias to build the dereference.
7998
7999 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8000
8001         * config/arc/atomic.md: Add operand to DMB instruction.
8002
8003 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8004
8005         PR tree-optimization/88964
8006         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8007         build_zero_cst instead of build_int_cst.  Return false for loop
8008         invariants which honor signed zeros.
8009
8010 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8011
8012         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8013
8014 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8015
8016         PR target/88965
8017         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8018         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8019         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8020
8021         PR middle-end/88968
8022         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8023         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8024
8025         PR target/87064
8026         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8027         Disable for little endian.
8028
8029 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8030
8031         PR target/88469
8032         * config/arm/arm.c (arm_needs_double_word_align): Check
8033         DECL_BIT_FIELD_TYPE.
8034
8035 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8036             H.J. Lu  <hongjiu.lu@intel.com>
8037
8038         PR target/88909
8039         * config/i386/i386-builtin.def: Add mask2 to all builtin
8040         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8041         SPECIAL_ARGS.
8042         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8043         (BDESC_FIRST): Likewise.
8044         (define_builtin): Add an argument for mask2.  Updated to handle
8045         both ix86_isa_flags and ix86_isa_flags2.
8046         (define_builtin_const): Likewise.
8047         (define_builtin_pure): Likewise.
8048         (define_builtin2): Deleted.
8049         (define_builtin_const2): Likewise.
8050         (builtin_description): Add a member, mask2.
8051         (bdesc_*): Add mask2 to builtin initializations.
8052         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8053         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8054         support.
8055         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8056
8057 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8058
8059         PR target/88954
8060         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8061         noplt attribute.
8062
8063 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8064
8065         PR target/88469
8066         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8067         alignment is dominated by a bitfield with 64-bit aligned base type.
8068         (arm_function_arg): Emit a warning if the alignment has changed since
8069         earlier GCC releases.
8070         (arm_function_arg_boundary): Likewise.
8071         (arm_setup_incoming_varargs): Likewise.
8072
8073 2019-01-22  Richard Biener  <rguenther@suse.de>
8074
8075         PR tree-optimization/88862
8076         * graphite-scop-detection.c
8077         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8078
8079 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8080
8081         * doc/extend.tex (AMD GCN Function Attributes): New section.
8082         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8083         * doc/invoke.texi (AMD GCN Options): New section.
8084         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8085
8086 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8087
8088         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8089         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8090
8091 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8092
8093         PR tree-optimization/88044
8094         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8095         is false in the first iteration, but !every_iteration, return false
8096         instead of true with niter->niter zero.
8097
8098         PR rtl-optimization/88904
8099         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8100         any nonequal registers before processing BB_END (b).
8101
8102         PR target/88905
8103         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8104         GET_MODE (op0).
8105         (expand_binop_directly, expand_doubleword_clz,
8106         expand_doubleword_popcount, expand_ctz, expand_ffs,
8107         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8108
8109         PR rtl-optimization/49429
8110         PR target/49454
8111         PR rtl-optimization/86334
8112         PR target/88906
8113         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8114         addressable from here...
8115         (emit_block_op_via_libcall): ... to here.
8116
8117 2019-01-22  Richard Biener  <rguenther@suse.de>
8118
8119         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8120         auto_vec for cost vector to fix memleak.
8121         (vectorize_fold_left_reduction): Properly gather SLP defs.
8122         (vectorizable_comparison): Do not swap operands to properly
8123         gather SLP defs.
8124
8125 2019-01-22  Alan Modra  <amodra@gmail.com>
8126
8127         PR target/88614
8128         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8129         stays a reg.  Allow a const_int.
8130         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8131         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8132         (IS_NOMARK_TLSGETADDR): Define.
8133         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8134         (rs6000_output_tlsargs): New function.
8135         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8136         __tls_get_addr call takes an arg.
8137         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8138         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8139         delete split..
8140         (call_value_nonlocal_sysv): ..or here, delete split.
8141         (tls_gdld_nomark): Delete.
8142         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8143         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8144         (call_value_nonlocal_sysv): Likewise.
8145         (call_value_nonlocal_sysv_secure): Likewise.
8146         (call_value_nonlocal_aix): Likewise.
8147         (call_value_indirect_aix): Likewise.
8148         (call_value_indirect_elfv2): Likewise.
8149         (call_value_local32, call_value_local64): Disable for no-mark tls.
8150         (call_value_local_aix): Likewise.
8151
8152 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8153
8154         PR target/88938
8155         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8156         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8157
8158 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8159
8160         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8161         string contents as hash_map keys.
8162
8163 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8164
8165         PR c/88928
8166         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8167         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8168         instead of TYPE_ALIGN.
8169         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8170         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8171         pointer from TYPE_STUB_DECL.
8172
8173 2019-01-21  Richard Biener  <rguenther@suse.de>
8174
8175         PR tree-optimization/88934
8176         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8177         at the possibly non-constant operand.
8178         (vect_get_constant_vectors): Adjust.
8179
8180 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8181
8182         PR target/71659
8183         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8184         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8185         instead of _X86INTRIN_H_INCLUDED.
8186         * onfig/i386/clwbintrin.h: Likewise.
8187         * config/i386/pkuintrin.h: Likewise.
8188         * config/i386/prfchwintrin.h: Likewise.
8189         * config/i386/rdseedintrin.h: Likewise.
8190         * config/i386/wbnoinvdintrin.h: Likewise.
8191         * config/i386/xsavecintrin.h: Likewise.
8192         * config/i386/xsavesintrin.h: Likewise.
8193         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8194         * config/i386/xsaveintrin.h: Likewise.
8195         * config/i386/xsaveoptintrin.h: Likewise.
8196         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8197         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8198         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8199         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8200         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8201         * config/i386/immintrin.h: Here.
8202
8203 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8204
8205         PR ipa/87615
8206         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8207         with aa_walk_budget.
8208         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8209         aa_walk_budget_p parameter.
8210         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8211         walk.  Updated all callers.
8212         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8213         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8214         unmodified_parm.
8215         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8216         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8217         and to unmodified_parm.
8218         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8219         info, updated call to will_be_nonconstant_expr_predicate.
8220         (param_change_prob): New parameter fbi, limit AA walking.
8221         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8222         calls to various above functions.
8223         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8224         parameter.  Use it to limit AA walking.
8225         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8226         fbi, limit AA walk.
8227         (detect_type_change): New parameter fbi, pass it on to
8228         detect_type_change_from_memory_writes.
8229         (detect_type_change_ssa): Likewise.
8230         (aa_overwalked): Removed.
8231         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8232         accordingly, adjust to the neew AA limiting scheme.
8233         (parm_ref_data_preserved_p): Likewise.
8234         (ipa_compute_jump_functions_for_edge): Adjust call to
8235         get_dynamic_type.
8236         (ipa_analyze_call_uses): Likewise.
8237         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8238         (ipa_analyze_node): Initialize aa_walk_budget.
8239         (ipcp_transform_function): Likewise.
8240         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8241         to get_dynamic_type.
8242
8243 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8244
8245         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8246         outside of #if CHECKING_P code.
8247
8248 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8249
8250         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8251         New function, split out from...
8252         (loop_versioning::analyze_stride): ...here.
8253         (loop_versioning::find_per_loop_multiplication): Use gassign.
8254         (loop_versioning::analyze_term_using_scevs): Return a success code.
8255         (loop_versioning::analyze_arbitrary_term): New function.
8256         (loop_versioning::analyze_address_fragment): Use
8257         analyze_arbitrary_term if all else fails.
8258
8259 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8260
8261         PR target/88892
8262         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8263         operands.
8264
8265 2019-01-18  Richard Biener  <rguenther@suse.de>
8266
8267         PR tree-optimization/88903
8268         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8269         scalar stmts a SLP shift amount is composed of when detecting
8270         shifts by scalars.
8271
8272 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8273
8274         PR target/88799
8275         * config/arm/arm-cpus.in (mp): New feature.
8276         (sec): New feature.
8277         (fgroup ARMv7ve): Add mp and sec features.
8278         (arch armv7-a): Add options to allow mp and sec extensions.
8279         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8280         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8281         extenstions to the base architecture.
8282         (cpu cortex-a8): Add sec extension to the base architecture.
8283         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8284         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8285         variants down to the base v7-a varaint.
8286         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8287         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8288         of permitted extensions for -march=armv7-a and for
8289         -mcpu=generic-armv7-a.
8290
8291 2019-01-18  Martin Liska  <mliska@suse.cz>
8292
8293         * params.def: Fix comment.
8294         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8295         name.
8296         (gimple_gen_ic_func_profiler): Likewise.
8297
8298 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8299
8300         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8301         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8302         and put in error checks for stack protector guard options.
8303         (aarch64_stack_protect_guard): New.
8304         (TARGET_STACK_PROTECT_GUARD): Define.
8305         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8306         (reg_stack_protect_address<mode>): New.
8307         (stack_protect_set): Adjust for SSP_GLOBAL.
8308         (stack_protect_test): Likewise.
8309         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8310         (-mstack-protector-guard): Likewise.
8311         (-mstack-protector-guard-offset): Likewise.
8312
8313 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8314
8315         PR tree-optimization/86214
8316         * tree-inline.h (struct copy_body_data): Add
8317         add_clobbers_to_eh_landing_pads member.
8318         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8319         (copy_edges_for_bb): Call it if EH edge destination is <
8320         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8321         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8322         if flag_stack_reuse != SR_NONE and clear it afterwards.
8323
8324 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8325
8326         PR target/85596
8327         * doc/install.texi (with-multilib-list): Document for aarch64.
8328
8329 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8330
8331         PR target/88734
8332         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8333         (("..."))) with ("...").
8334
8335 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8336
8337         * doc/extend.texi (Built-in Functions for Memory Model Aware
8338         Atomic Operations): Document atomic fetch and nand.
8339
8340 2019-01-18  Martin Liska  <mliska@suse.cz>
8341             Richard Biener  <rguenther@suse.de>
8342
8343         PR middle-end/88587
8344         * cgraph.h (create_version_clone_with_body): Add new argument
8345         with attributes.
8346         * cgraphclones.c (cgraph_node::create_version_clone): Add
8347         DECL_ATTRIBUTES to a newly created decl.  And call
8348         valid_attribute_p so that proper cl_target_optimization_node
8349         is set for the newly created declaration.
8350         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8351         for declaration.
8352         (expand_target_clones): Do not call valid_attribute_p, it must
8353         be already done.
8354         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8355         vector types.
8356
8357 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8358
8359         PR target/88734
8360         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8361         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8362         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8363
8364 2019-01-17  Martin Sebor  <msebor@redhat.com>
8365
8366         PR middle-end/88273
8367         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8368         Handle anti-ranges the same as no range at all.
8369
8370 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8371
8372         * config/aarch64/aarch64.c (cgraph.h): New include.
8373         (intl.h): New include.
8374         (supported_simd_type): New function.
8375         (currently_supported_simd_type): Ditto.
8376         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8377         (aarch64_simd_clone_adjust): Ditto.
8378         (aarch64_simd_clone_usable): Ditto.
8379         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8380         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8381         (TARGET_SIMD_CLONE_USABLE): Ditto.
8382         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8383         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8384         call.
8385
8386 2019-01-17  Martin Sebor  <msebor@redhat.com>
8387
8388         PR tree-optimization/88800
8389         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8390         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8391         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8392         redundant argument.  Add new argument and issue diagnostics under
8393         its control.  Detect out-of-bounds access even with warnings
8394         disabled.
8395         (check_bounds_or_overlap): Change return type.  Add argument.
8396         (wrestrict_dom_walker::check_call): Adjust.
8397         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8398         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8399         check_bounds_or_overlap's return value.
8400         (handle_builtin_stxncpy): Same.
8401         (handle_builtin_strcat): Same.
8402
8403 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8404             Kwok Cheung Yeung  <kcy@codesourcery.com>
8405             Julian Brown  <julian@codesourcery.com>
8406             Tom de Vries  <tom@codesourcery.com>
8407
8408         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8409
8410 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8411
8412         * doc/sourcebuild.texi: Document dg-require-effective-target
8413         llvm_binutils and offload_gcn.
8414
8415 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8416             Kwok Cheung Yeung  <kcy@codesourcery.com>
8417             Julian Brown  <julian@codesourcery.com>
8418             Tom de Vries  <tom@codesourcery.com>
8419
8420         * doc/sourcebuild.texi: Document dg-required-effective-target
8421         exceptions.
8422
8423 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8424             Kwok Cheung Yeung  <kcy@codesourcery.com>
8425             Julian Brown  <julian@codesourcery.com>
8426             Tom de Vries  <tom@codesourcery.com>
8427             Jan Hubicka  <hubicka@ucw.cz>
8428             Martin Jambor  <mjambor@suse.cz>
8429
8430         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8431         * configure.ac: Check for dlopen.
8432         * configure: Regenerate.
8433
8434 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8435             Kwok Cheung Yeung  <kcy@codesourcery.com>
8436             Julian Brown  <julian@codesourcery.com>
8437             Tom de Vries  <tom@codesourcery.com>
8438             Jan Hubicka  <hubicka@ucw.cz>
8439             Martin Jambor  <mjambor@suse.cz>
8440
8441         * common/config/gcn/gcn-common.c: New file.
8442         * config/gcn/driver-gcn.c: New file.
8443         * config/gcn/gcn-builtins.def: New file.
8444         * config/gcn/gcn-hsa.h: New file.
8445         * config/gcn/gcn-modes.def: New file.
8446         * config/gcn/gcn-opts.h: New file.
8447         * config/gcn/gcn-passes.def: New file.
8448         * config/gcn/gcn-protos.h: New file.
8449         * config/gcn/gcn-run.c: New file.
8450         * config/gcn/gcn-tree.c: New file.
8451         * config/gcn/gcn.c: New file.
8452         * config/gcn/gcn.h: New file.
8453         * config/gcn/gcn.opt: New file.
8454         * config/gcn/t-gcn-hsa: New file.
8455
8456 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8457             Kwok Cheung Yeung  <kcy@codesourcery.com>
8458             Julian Brown  <julian@codesourcery.com>
8459             Tom de Vries  <tom@codesourcery.com>
8460             Jan Hubicka  <hubicka@ucw.cz>
8461             Martin Jambor  <mjambor@suse.cz>
8462
8463         * config/gcn/constraints.md: New file.
8464         * config/gcn/gcn-valu.md: New file.
8465         * config/gcn/gcn.md: New file.
8466         * config/gcn/predicates.md: New file.
8467
8468 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8469
8470         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8471         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8472         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8473         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8474
8475 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8476
8477         PR target/88851
8478         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8479         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8480         it and document registers.
8481
8482 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8483
8484         * config/aarch64/aarch64.c (ares_tunings): Define.
8485         * config/aarch64/aarch64-cores.def (ares): Use the above.
8486
8487 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8488
8489         PR target/88794
8490         Revert:
8491         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8492
8493         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8494         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8495         (_mm512_maskz_fixupimm_round_pd): Ditto.
8496         (_mm512_fixupimm_round_ps): Ditto.
8497         (_mm512_maskz_fixupimm_round_ps): Ditto.
8498         (_mm_fixupimm_round_sd): Ditto.
8499         (_mm_maskz_fixupimm_round_sd): Ditto.
8500         (_mm_fixupimm_round_ss): Ditto.
8501         (_mm_maskz_fixupimm_round_ss): Ditto.
8502         (_mm512_fixupimm_pd): Ditto.
8503         (_mm512_maskz_fixupimm_pd): Ditto.
8504         (_mm512_fixupimm_ps): Ditto.
8505         (_mm512_maskz_fixupimm_ps): Ditto.
8506         (_mm_fixupimm_sd): Ditto.
8507         (_mm_maskz_fixupimm_sd): Ditto.
8508         (_mm_fixupimm_ss): Ditto.
8509         (_mm_maskz_fixupimm_ss): Ditto.
8510         (_mm512_mask_fixupimm_round_pd): Update builtin.
8511         (_mm512_mask_fixupimm_round_ps): Ditto.
8512         (_mm_mask_fixupimm_round_sd): Ditto.
8513         (_mm_mask_fixupimm_round_ss): Ditto.
8514         (_mm512_mask_fixupimm_pd): Ditto.
8515         (_mm512_mask_fixupimm_ps): Ditto.
8516         (_mm_mask_fixupimm_sd): Ditto.
8517         (_mm_mask_fixupimm_ss): Ditto.
8518         * config/i386/avx512vlintrin.h:
8519         (_mm256_fixupimm_pd): Update parameters and builtin.
8520         (_mm256_maskz_fixupimm_pd): Ditto.
8521         (_mm256_fixupimm_ps): Ditto.
8522         (_mm256_maskz_fixupimm_ps): Ditto.
8523         (_mm_fixupimm_pd): Ditto.
8524         (_mm_maskz_fixupimm_pd): Ditto.
8525         (_mm_fixupimm_ps): Ditto.
8526         (_mm_maskz_fixupimm_ps): Ditto.
8527         (_mm256_mask_fixupimm_pd): Update builtin.
8528         (_mm256_mask_fixupimm_ps): Ditto.
8529         (_mm_mask_fixupimm_pd): Ditto.
8530         (_mm_mask_fixupimm_ps): Ditto.
8531         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8532         * config/i386/i386-builtin.def: Update builtin definitions.
8533         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8534         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8535         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8536         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8537         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8538         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8539         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8540         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8541         * config/i386/subst.md:
8542         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8543         (round_saeonly_sd_mask_op4): Ditto.
8544         (round_saeonly_expand_operand5): Ditto.
8545         (round_saeonly_expand): Update.
8546
8547 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8548
8549         PR target/88794
8550         Revert:
8551         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8552
8553         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8554         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8555         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8556         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8557         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8558         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8559         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8560
8561 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8562
8563         PR target/88794
8564         Revert:
8565         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8566
8567         PR target/88489
8568         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8569         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8570         instead of UNSPEC_FIXUPIMM.
8571
8572 2019-01-17  Richard Biener  <rguenther@suse.de>
8573
8574         PR lto/86736
8575         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8576         and friends for the LTO part of debug info.
8577
8578 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8579
8580         PR tree-optimization/86214
8581         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8582         if x == y.
8583
8584         PR rtl-optimization/88870
8585         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8586         throw if we can't alter the cfg or delete dead exceptions.
8587         (mark_insn): Don't call find_call_stack_args for such calls.
8588
8589 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8590
8591         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8592         prototypes for vec_st.
8593         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8594         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8595         mainly on signed/unsigned long long and double.
8596
8597 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8598
8599         PR target/88861
8600         * combine.c (delete_noop_moves): Convert to "bool" return,
8601         returning true if any edges are eliminated.
8602         (combine_instructions): Also return true if delete_noop_moves
8603         returns true.
8604
8605 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8606
8607         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8608         correct max nunits for endian swap.
8609         (aarch64_expand_fcmla_builtin): Correct subreg code.
8610         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8611         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8612         lane endianness.
8613
8614 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8615
8616         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8617         Handle split indirect COMPLEX_TYPE arguments.
8618
8619 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8620
8621         PR target/86891
8622         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8623         bit is set by add and compare.
8624         (CC_ADC): New CC_MODE.
8625         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8626         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8627         comparison.  Add detection for CC_ADCmode.
8628         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8629         CC_ADCmode.
8630         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8631         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8632         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8633         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8634         to eliminate the need for zero-extending the operands.
8635         (add<mode>3_compareC_imm): Delete.  Merge into ...
8636         (add<mode>3_compareC): ... this.  Restructure the comparison to
8637         eliminate the need for zero-extending the operands.
8638         (add<mode>3_carryin): Use LTU for the overflow detection.
8639         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8640         Reexpress comparison for overflow.
8641         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8642         (add<mode>3_carryinC): Likewise.
8643         (add<mode>3_carryinV): Use LTU for carry between partials.
8644         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8645         handling of CC_Cmode and add CC_ADCmode.
8646         (aarch64_borrow_operation): Likewise.
8647
8648 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8649
8650         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8651         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8652         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8653         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8654
8655 2019-01-16  Martin Liska  <mliska@suse.cz>
8656
8657         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8658         for GCC driver.
8659         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8660         a new argument.
8661         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8662         (path_prefix_reset): Move up in the source file.
8663         (find_fortran_preinclude_file): Make complex search for the
8664         fortran header files.
8665
8666 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8667
8668         * godump.c (go_output_typedef): When outputting a typedef, refer
8669         to the underlying type by its name and not its structure.
8670
8671 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8672
8673         PR c++/88795
8674         * tree.c (build_function_type): Assert that arg_types is not
8675         error_mark_node.
8676
8677 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8678
8679         PR inline-asm/52813
8680         * doc/extend.texi: Document that listing the stack pointer in the
8681         clobber list of an asm is a deprecated feature.
8682         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8683         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8684         warning instead of an error for clobbers of the stack pointer.
8685         Add a note explaining why.
8686
8687 2019-01-15  Richard Biener  <rguenther@suse.de>
8688
8689         PR debug/88046
8690         * dwarf2out.c (gen_member_die): Do not generate inheritance
8691         DIEs late.
8692
8693 2019-01-15  Richard Biener  <rguenther@suse.de>
8694
8695         PR tree-optimization/88855
8696         * tree-if-conv.c (combine_blocks): Collect
8697         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8698
8699 2019-01-15  Tom de Vries  <tdevries@suse.de>
8700
8701         PR target/80547
8702         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8703         lhs == NULL_TREE for gang-level reduction.
8704
8705 2019-01-15  Richard Biener  <rguenther@suse.de>
8706             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8707
8708         PR ipa/88788
8709         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8710         return true if SSA_NAME is already marked in visited bitmap.
8711         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8712
8713 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8714
8715         PR tree-optimization/88775
8716         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8717         equal == 0 equality pointer comparisons some more if compared in
8718         integral types and either one points to an automatic var and the
8719         other to a global, or we can prove at least one points to the middle
8720         or both point to start or both point to end.
8721
8722 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8723
8724         * Makefile.in: Lower autofdo sampling rate by 10x.
8725         * Makefile.tpl: Dito.
8726
8727 2019-01-14  Tom Honermann  <tom@honermann.net>
8728
8729         * defaults.h: Define CHAR8_TYPE.
8730
8731 2019-01-14  Martin Sebor  <msebor@redhat.com>
8732
8733         PR target/88638
8734         * doc/extend.texi (Darwin Format Checks): Clarify.
8735
8736 2019-01-14  Richard Biener  <rguenther@suse.de>
8737
8738         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8739         whether we are in (simplify ...) or (match ...) context.
8740
8741 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8742
8743         PR rtl-optimization/88796
8744         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8745         * cfgexpand.c (stack_protect_prologue): Initialize
8746         crtl->stack_protect_guard_decl.
8747         * function.c (stack_protect_epilogue): Use it instead of calling
8748         targetm.stack_protect_guard again.
8749         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8750         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8751         crtl->stack_protect_guard_decl.
8752         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8753         on the returned MEM_EXPR.
8754
8755 2019-01-12  Tom de Vries  <tdevries@suse.de>
8756
8757         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8758         vector length using -fopenacc-dim.
8759
8760 2019-01-12  Tom de Vries  <tdevries@suse.de>
8761
8762         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8763         lengths into account.
8764
8765 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8766
8767         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8768         (TARGET_CAN_SPLIT_STACK): Define.
8769         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8770
8771 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8772
8773         * params.def (inline-unit-growth): Set to 40.
8774
8775 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8776
8777         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8778
8779 2019-01-12  Tom de Vries  <tdevries@suse.de>
8780
8781         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8782         region calling vector-partitionable routine, set default_vector_length
8783         to WARP_SIZE.
8784
8785 2019-01-12  Tom de Vries  <tdevries@suse.de>
8786
8787         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8788         variable default_vector_length.
8789
8790 2019-01-12  Tom de Vries  <tdevries@suse.de>
8791
8792         PR middle-end/88703
8793         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8794         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8795         dimensions limits.
8796
8797 2019-01-12  Tom de Vries  <tdevries@suse.de>
8798
8799         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8800         (nvptx_goacc_validate_dims): Add used parameter.
8801         * doc/tm.texi: Regenerate.
8802         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8803         argument to call to targetm.goacc.validate_dims.
8804         (default_goacc_validate_dims): Add used
8805         parameter.
8806         * target.def (validate_dims): Add used parameter in DEFHOOK.
8807         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8808
8809 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8810
8811         PR middle-end/85956
8812         PR lto/88733
8813         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8814         field.
8815         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8816         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8817         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8818         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8819
8820 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8821
8822         PR rtl-optimization/87305
8823         * lra-assigns.c
8824         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8825         for little endian pseudos used as paradoxical subreg.
8826
8827 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8828
8829         PR tree-optimization/88693
8830         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8831         for STRING_CSTs that don't contain any NUL characters in the first
8832         TREE_STRING_LENGTH bytes.
8833
8834 2019-01-11  Alan Modra  <amodra@gmail.com>
8835
8836         PR 88777
8837         PR 88614
8838         * genattrtab.c (min_fn): Don't translate values.
8839         (min_attr_value): Return INT_MAX when the value can't be calculated.
8840         Return minimum among any values that can be calculated.
8841         (max_attr_value): Adjust.
8842
8843 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8844
8845         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8846
8847 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8848
8849         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8850         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8851         (aarch64_return_call_with_max_clobbers): New function.
8852         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8853         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8854         argument.
8855         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8856         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8857         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8858         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8859         * cselib.c (cselib_process_insn): Add argument to
8860         targetm.hard_regno_call_part_clobbered call.
8861         * ira-conflicts.c (ira_build_conflicts): Ditto.
8862         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8863         * lra-constraints.c (inherit_reload_reg): Ditto.
8864         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8865         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8866         argument.  Call targetm.return_call_with_max_clobbers.
8867         Add argument to targetm.hard_regno_call_part_clobbered call.
8868         (calls_have_same_clobbers_p): New function.
8869         (process_bb_lives): Add call_insn and last_call_insn variables.
8870         Pass call_insn to check_pseudos_live_through_calls.
8871         Modify if stmt to check targetm.return_call_with_max_clobbers.
8872         Update setting of flush variable.
8873         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8874         to false.
8875         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8876         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8877         targetm.hard_regno_call_part_clobbered call.
8878         * reginfo.c (choose_hard_reg_mode): Ditto.
8879         * regrename.c (check_new_reg_p): Ditto.
8880         * reload.c (find_equiv_reg): Ditto.
8881         * reload1.c (emit_reload_insns): Ditto.
8882         * sched-deps.c (deps_analyze_insn): Ditto.
8883         * sel-sched.c (init_regs_for_mode): Ditto.
8884         (mark_unavailable_hard_regs): Ditto.
8885         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8886         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8887         (return_call_with_max_clobbers): New target function.
8888         * doc/tm.texi: Regenerate.
8889         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8890         * hooks.c (hook_bool_uint_mode_false): Change to
8891         hook_bool_insn_uint_mode_false.
8892         * hooks.h (hook_bool_uint_mode_false): Ditto.
8893
8894 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8895
8896         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8897         (aarch64_remove_extra_call_preserved_regs): New function.
8898         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8899         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8900         * doc/tm.texi: Regenerate.
8901         * final.c (get_call_reg_set_usage): Call new hook.
8902         * target.def (remove_extra_call_preserved_regs): New hook.
8903         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8904         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8905
8906 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8907
8908         PR bootstrap/88714
8909         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8910         inside of pass_combine_1 dump rather than pass_profile_1.
8911
8912 2019-01-11  Tom de Vries  <tdevries@suse.de>
8913
8914         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8915         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8916         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8917         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8918         num_workers 16.
8919
8920 2019-01-11  Tom de Vries  <tdevries@suse.de>
8921
8922         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8923
8924 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8925
8926         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8927         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8928         sse2_cvtsi2sd): Add {l}.
8929         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8930         syntax.
8931
8932 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8933
8934         PR target/88785
8935         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8936         define_expand.
8937         (*float<floatunssuffix>v2div2sf2): New define_insn.
8938         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8939         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8940         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8941         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8942         match_operands with "const0_operand" "C".
8943
8944 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8945
8946         * config/aarch64/aarch64-builtins.c
8947         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8948         (aarch64_init_simd_builtins): ...Here
8949
8950 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8951
8952         PR rtl-optimization/87305
8953         * lra-assigns.c
8954         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8955         allocation for big endian pseudos used as paradoxical subregs and
8956         spill them if it is wrong.
8957         * lra-constraints.c (lra_constraints): Add a comment.
8958
8959 2019-01-10  Richard Biener  <rguenther@suse.de>
8960
8961         PR tree-optimization/88792
8962         * tree-ssa-pre.c (get_representative_for): Do not return a
8963         value-number here.
8964
8965 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8966
8967         PR middle-end/84877
8968         PR bootstrap/88450
8969         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8970         (assign_parm_setup_block): Do the argument slot realignment here
8971         instead.
8972
8973 2019-01-10  Stefan Agner  <stefan@agner.ch>
8974
8975         PR target/88648
8976         * config/arm/arm.c (arm_option_override_internal): Force
8977         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8978
8979 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8980
8981         PR c/88568
8982         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8983         DECL_EXTERNAL.
8984
8985 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8986
8987         * config/arm/arm-builtins.c
8988         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8989         (MAC_LANE_PAIR_QUALIFIERS): New.
8990         (arm_expand_builtin_args): Use it.
8991         (arm_expand_builtin_1): Likewise.
8992         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8993         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8994         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8995         * config/arm/arm_neon.h:
8996         (vcadd_rot90_f16): New.
8997         (vcaddq_rot90_f16): New.
8998         (vcadd_rot270_f16): New.
8999         (vcaddq_rot270_f16): New.
9000         (vcmla_f16): New.
9001         (vcmlaq_f16): New.
9002         (vcmla_lane_f16): New.
9003         (vcmla_laneq_f16): New.
9004         (vcmlaq_lane_f16): New.
9005         (vcmlaq_laneq_f16): New.
9006         (vcmla_rot90_f16): New.
9007         (vcmlaq_rot90_f16): New.
9008         (vcmla_rot90_lane_f16): New.
9009         (vcmla_rot90_laneq_f16): New.
9010         (vcmlaq_rot90_lane_f16): New.
9011         (vcmlaq_rot90_laneq_f16): New.
9012         (vcmla_rot180_f16): New.
9013         (vcmlaq_rot180_f16): New.
9014         (vcmla_rot180_lane_f16): New.
9015         (vcmla_rot180_laneq_f16): New.
9016         (vcmlaq_rot180_lane_f16): New.
9017         (vcmlaq_rot180_laneq_f16): New.
9018         (vcmla_rot270_f16): New.
9019         (vcmlaq_rot270_f16): New.
9020         (vcmla_rot270_lane_f16): New.
9021         (vcmla_rot270_laneq_f16): New.
9022         (vcmlaq_rot270_lane_f16): New.
9023         (vcmlaq_rot270_laneq_f16): New.
9024         (vcadd_rot90_f32): New.
9025         (vcaddq_rot90_f32): New.
9026         (vcadd_rot270_f32): New.
9027         (vcaddq_rot270_f32): New.
9028         (vcmla_f32): New.
9029         (vcmlaq_f32): New.
9030         (vcmla_lane_f32): New.
9031         (vcmla_laneq_f32): New.
9032         (vcmlaq_lane_f32): New.
9033         (vcmlaq_laneq_f32): New.
9034         (vcmla_rot90_f32): New.
9035         (vcmlaq_rot90_f32): New.
9036         (vcmla_rot90_lane_f32): New.
9037         (vcmla_rot90_laneq_f32): New.
9038         (vcmlaq_rot90_lane_f32): New.
9039         (vcmlaq_rot90_laneq_f32): New.
9040         (vcmla_rot180_f32): New.
9041         (vcmlaq_rot180_f32): New.
9042         (vcmla_rot180_lane_f32): New.
9043         (vcmla_rot180_laneq_f32): New.
9044         (vcmlaq_rot180_lane_f32): New.
9045         (vcmlaq_rot180_laneq_f32): New.
9046         (vcmla_rot270_f32): New.
9047         (vcmlaq_rot270_f32): New.
9048         (vcmla_rot270_lane_f32): New.
9049         (vcmla_rot270_laneq_f32): New.
9050         (vcmlaq_rot270_lane_f32): New.
9051         (vcmlaq_rot270_laneq_f32): New.
9052         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9053         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9054         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9055         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9056         vcmlaq_lane270): New.
9057         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9058         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9059         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9060         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9061         (arm_option_reconfigure_globals): Use them.
9062         * config/arm/iterators.md (VDF, VQ_HSF): New.
9063         (VCADD, VCMLA): New.
9064         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9065         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9066         New.
9067         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9068         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9069
9070 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9071
9072         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9073         Add qualifier_lane_pair_index.
9074         (emit-rtl.h): Include.
9075         (TYPES_QUADOP_LANE_PAIR): New.
9076         (aarch64_simd_expand_args): Use it.
9077         (aarch64_simd_expand_builtin): Likewise.
9078         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9079         New.
9080         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9081         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9082         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9083         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9084         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9085         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9086         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9087         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9088         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9089         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9090         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9091         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9092         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9093         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9094         Add __ARM_FEATURE_COMPLEX.
9095         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9096         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9097         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9098         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9099         fcmlaq_lane270): New.
9100         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9101         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9102         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9103         * config/aarch64/arm_neon.h:
9104         (vcadd_rot90_f16): New.
9105         (vcaddq_rot90_f16): New.
9106         (vcadd_rot270_f16): New.
9107         (vcaddq_rot270_f16): New.
9108         (vcmla_f16): New.
9109         (vcmlaq_f16): New.
9110         (vcmla_lane_f16): New.
9111         (vcmla_laneq_f16): New.
9112         (vcmlaq_lane_f16): New.
9113         (vcmlaq_rot90_lane_f16): New.
9114         (vcmla_rot90_laneq_f16): New.
9115         (vcmla_rot90_lane_f16): New.
9116         (vcmlaq_rot90_f16): New.
9117         (vcmla_rot90_f16): New.
9118         (vcmlaq_laneq_f16): New.
9119         (vcmla_rot180_laneq_f16): New.
9120         (vcmla_rot180_lane_f16): New.
9121         (vcmlaq_rot180_f16): New.
9122         (vcmla_rot180_f16): New.
9123         (vcmlaq_rot90_laneq_f16): New.
9124         (vcmlaq_rot270_laneq_f16): New.
9125         (vcmlaq_rot270_lane_f16): New.
9126         (vcmla_rot270_laneq_f16): New.
9127         (vcmlaq_rot270_f16): New.
9128         (vcmla_rot270_f16): New.
9129         (vcmlaq_rot180_laneq_f16): New.
9130         (vcmlaq_rot180_lane_f16): New.
9131         (vcmla_rot270_lane_f16): New.
9132         (vcadd_rot90_f32): New.
9133         (vcaddq_rot90_f32): New.
9134         (vcaddq_rot90_f64): New.
9135         (vcadd_rot270_f32): New.
9136         (vcaddq_rot270_f32): New.
9137         (vcaddq_rot270_f64): New.
9138         (vcmla_f32): New.
9139         (vcmlaq_f32): New.
9140         (vcmlaq_f64): New.
9141         (vcmla_lane_f32): New.
9142         (vcmla_laneq_f32): New.
9143         (vcmlaq_lane_f32): New.
9144         (vcmlaq_laneq_f32): New.
9145         (vcmla_rot90_f32): New.
9146         (vcmlaq_rot90_f32): New.
9147         (vcmlaq_rot90_f64): New.
9148         (vcmla_rot90_lane_f32): New.
9149         (vcmla_rot90_laneq_f32): New.
9150         (vcmlaq_rot90_lane_f32): New.
9151         (vcmlaq_rot90_laneq_f32): New.
9152         (vcmla_rot180_f32): New.
9153         (vcmlaq_rot180_f32): New.
9154         (vcmlaq_rot180_f64): New.
9155         (vcmla_rot180_lane_f32): New.
9156         (vcmla_rot180_laneq_f32): New.
9157         (vcmlaq_rot180_lane_f32): New.
9158         (vcmlaq_rot180_laneq_f32): New.
9159         (vcmla_rot270_f32): New.
9160         (vcmlaq_rot270_f32): New.
9161         (vcmlaq_rot270_f64): New.
9162         (vcmla_rot270_lane_f32): New.
9163         (vcmla_rot270_laneq_f32): New.
9164         (vcmlaq_rot270_lane_f32): New.
9165         (vcmlaq_rot270_laneq_f32): New.
9166         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9167         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9168         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9169         (FCADD, FCMLA): New.
9170         (rot): New.
9171         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9172
9173 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9174
9175         PR other/16615
9176
9177         * config/pa/pa.c: Change "can not" to "cannot".
9178         * gimple-ssa-evrp-analyze.c: Likewise.
9179         * ipa-icf.c: Likewise.
9180         * ipa-polymorphic-call.c: Likewise.
9181         * ipa-pure-const.c: Likewise.
9182         * lra-constraints.c: Likewise.
9183         * lra-remat.c: Likewise.
9184         * reload1.c: Likewise.
9185         * reorg.c: Likewise.
9186         * tree-ssa-uninit.c: Likewise.
9187
9188 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9189
9190         PR other/16615
9191
9192         * Makefile.in: Mechanically replace "can not" with "cannot".
9193         * alias.c: Likewise.
9194         * builtins.c: Likewise.
9195         * calls.c: Likewise.
9196         * cgraph.c: Likewise.
9197         * cgraph.h: Likewise.
9198         * cgraphclones.c: Likewise.
9199         * cgraphunit.c: Likewise.
9200         * combine-stack-adj.c: Likewise.
9201         * combine.c: Likewise.
9202         * common/config/i386/i386-common.c: Likewise.
9203         * config/aarch64/aarch64.c: Likewise.
9204         * config/alpha/sync.md: Likewise.
9205         * config/arc/arc.c: Likewise.
9206         * config/arc/predicates.md: Likewise.
9207         * config/arm/arm-c.c: Likewise.
9208         * config/arm/arm.c: Likewise.
9209         * config/arm/arm.h: Likewise.
9210         * config/arm/arm.md: Likewise.
9211         * config/arm/cortex-r4f.md: Likewise.
9212         * config/csky/csky.c: Likewise.
9213         * config/csky/csky.h: Likewise.
9214         * config/darwin-f.c: Likewise.
9215         * config/epiphany/epiphany.md: Likewise.
9216         * config/i386/i386.c: Likewise.
9217         * config/i386/sol2.h: Likewise.
9218         * config/m68k/m68k.c: Likewise.
9219         * config/mcore/mcore.h: Likewise.
9220         * config/microblaze/microblaze.md: Likewise.
9221         * config/mips/20kc.md: Likewise.
9222         * config/mips/sb1.md: Likewise.
9223         * config/nds32/nds32.c: Likewise.
9224         * config/nds32/predicates.md: Likewise.
9225         * config/pa/pa.c: Likewise.
9226         * config/rs6000/e300c2c3.md: Likewise.
9227         * config/rs6000/rs6000.c: Likewise.
9228         * config/s390/s390.h: Likewise.
9229         * config/sh/sh.c: Likewise.
9230         * config/sh/sh.md: Likewise.
9231         * config/spu/vmx2spu.h: Likewise.
9232         * cprop.c: Likewise.
9233         * dbxout.c: Likewise.
9234         * df-scan.c: Likewise.
9235         * doc/cfg.texi: Likewise.
9236         * doc/extend.texi: Likewise.
9237         * doc/fragments.texi: Likewise.
9238         * doc/gty.texi: Likewise.
9239         * doc/invoke.texi: Likewise.
9240         * doc/lto.texi: Likewise.
9241         * doc/md.texi: Likewise.
9242         * doc/objc.texi: Likewise.
9243         * doc/rtl.texi: Likewise.
9244         * doc/tm.texi: Likewise.
9245         * dse.c: Likewise.
9246         * emit-rtl.c: Likewise.
9247         * emit-rtl.h: Likewise.
9248         * except.c: Likewise.
9249         * expmed.c: Likewise.
9250         * expr.c: Likewise.
9251         * fold-const.c: Likewise.
9252         * genautomata.c: Likewise.
9253         * gimple-fold.c: Likewise.
9254         * hard-reg-set.h: Likewise.
9255         * ifcvt.c: Likewise.
9256         * ipa-comdats.c: Likewise.
9257         * ipa-cp.c: Likewise.
9258         * ipa-devirt.c: Likewise.
9259         * ipa-fnsummary.c: Likewise.
9260         * ipa-icf.c: Likewise.
9261         * ipa-inline-transform.c: Likewise.
9262         * ipa-inline.c: Likewise.
9263         * ipa-polymorphic-call.c: Likewise.
9264         * ipa-profile.c: Likewise.
9265         * ipa-prop.c: Likewise.
9266         * ipa-pure-const.c: Likewise.
9267         * ipa-reference.c: Likewise.
9268         * ipa-split.c: Likewise.
9269         * ipa-visibility.c: Likewise.
9270         * ipa.c: Likewise.
9271         * ira-build.c: Likewise.
9272         * ira-color.c: Likewise.
9273         * ira-conflicts.c: Likewise.
9274         * ira-costs.c: Likewise.
9275         * ira-int.h: Likewise.
9276         * ira-lives.c: Likewise.
9277         * ira.c: Likewise.
9278         * ira.h: Likewise.
9279         * loop-invariant.c: Likewise.
9280         * loop-unroll.c: Likewise.
9281         * lower-subreg.c: Likewise.
9282         * lra-assigns.c: Likewise.
9283         * lra-constraints.c: Likewise.
9284         * lra-eliminations.c: Likewise.
9285         * lra-lives.c: Likewise.
9286         * lra-remat.c: Likewise.
9287         * lra-spills.c: Likewise.
9288         * lra.c: Likewise.
9289         * lto-cgraph.c: Likewise.
9290         * lto-streamer-out.c: Likewise.
9291         * postreload-gcse.c: Likewise.
9292         * predict.c: Likewise.
9293         * profile-count.h: Likewise.
9294         * profile.c: Likewise.
9295         * recog.c: Likewise.
9296         * ree.c: Likewise.
9297         * reload.c: Likewise.
9298         * reload1.c: Likewise.
9299         * reorg.c: Likewise.
9300         * resource.c: Likewise.
9301         * rtl.def: Likewise.
9302         * rtl.h: Likewise.
9303         * rtlanal.c: Likewise.
9304         * sched-deps.c: Likewise.
9305         * sched-ebb.c: Likewise.
9306         * sched-rgn.c: Likewise.
9307         * sel-sched-ir.c: Likewise.
9308         * sel-sched.c: Likewise.
9309         * shrink-wrap.c: Likewise.
9310         * simplify-rtx.c: Likewise.
9311         * symtab.c: Likewise.
9312         * target.def: Likewise.
9313         * toplev.c: Likewise.
9314         * tree-call-cdce.c: Likewise.
9315         * tree-cfg.c: Likewise.
9316         * tree-complex.c: Likewise.
9317         * tree-core.h: Likewise.
9318         * tree-eh.c: Likewise.
9319         * tree-inline.c: Likewise.
9320         * tree-loop-distribution.c: Likewise.
9321         * tree-nrv.c: Likewise.
9322         * tree-profile.c: Likewise.
9323         * tree-sra.c: Likewise.
9324         * tree-ssa-alias.c: Likewise.
9325         * tree-ssa-dce.c: Likewise.
9326         * tree-ssa-dom.c: Likewise.
9327         * tree-ssa-forwprop.c: Likewise.
9328         * tree-ssa-loop-im.c: Likewise.
9329         * tree-ssa-loop-ivcanon.c: Likewise.
9330         * tree-ssa-loop-ivopts.c: Likewise.
9331         * tree-ssa-loop-niter.c: Likewise.
9332         * tree-ssa-phionlycprop.c: Likewise.
9333         * tree-ssa-phiopt.c: Likewise.
9334         * tree-ssa-propagate.c: Likewise.
9335         * tree-ssa-threadedge.c: Likewise.
9336         * tree-ssa-threadupdate.c: Likewise.
9337         * tree-ssa-uninit.c: Likewise.
9338         * tree-ssanames.c: Likewise.
9339         * tree-streamer-out.c: Likewise.
9340         * tree.c: Likewise.
9341         * tree.h: Likewise.
9342         * vr-values.c: Likewise.
9343
9344 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9345
9346         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9347         (ix86_split_xorsign): Ditto.
9348         * config/i386/i386.c (ix86_expand_xorsign): New function.
9349         (ix86_split_xorsign): Ditto.
9350         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9351         (xorsign<mode>3): New expander.
9352         (xorsign<mode>3_1): New insn_and_split pattern.
9353         * config/i386/sse.md (xorsign<mode>3): New expander.
9354
9355 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9356
9357         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9358         (*tablejump_sp64): Likewise.
9359         (*tablejump<P:mode>): ...this.
9360         (*call_address_sp32): Merge into...
9361         (*call_address_sp64): Likewise.
9362         (*call_address<P:mode>): ...this.
9363         (*call_symbolic_sp32): Merge into...
9364         (*call_symbolic_sp64): Likewise.
9365         (*call_symbolic<P:mode>): ...this.
9366         (call_value): Remove constraint and add predicate.
9367         (*call_value_address_sp32): Merge into...
9368         (*call_value_address_sp64): Likewise.
9369         (*call_value_address<P:mode>): ...this.
9370         (*call_value_symbolic_sp32): Merge into...
9371         (*call_value_symbolic_sp64): Likewise.
9372         (*call_value_symbolic<P:mode>): ...this.
9373         (*sibcall_symbolic_sp32): Merge into...
9374         (*sibcall_symbolic_sp64): Likewise.
9375         (*sibcall_symbolic<P:mode>): ...this.
9376         (sibcall_value): Remove constraint and add predicate.
9377         (*sibcall_value_symbolic_sp32): Merge into...
9378         (*sibcall_value_symbolic_sp64): Likewise.
9379         (*sibcall_value_symbolic<P:mode>): ...this.
9380         (window_save): Minor tweak.
9381         (*branch_sp32): Merge into...
9382         (*branch_sp64): Likewise.
9383         (*branch<P:mode>): ...this.
9384
9385 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9386             James Clarke  <jrtc27@jrtc27.com>
9387
9388         PR target/84010
9389         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9390         consistently in TLS address generation and adjust code to the renaming
9391         of patterns.  Mark calls to __tls_get_addr as const.
9392         * config/sparc/sparc.md (tgd_hi22): Turn into...
9393         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9394         (tgd_lo10): Turn into...
9395         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9396         (tgd_add32): Merge into...
9397         (tgd_add64): Likewise.
9398         (tgd_add<P:mode>): ...this and use Pmode throughout.
9399         (tldm_hi22): Turn into...
9400         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9401         (tldm_lo10): Turn into...
9402         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9403         (tldm_add32): Merge into...
9404         (tldm_add64): Likewise.
9405         (tldm_add<P:mode>): ...this and use Pmode throughout.
9406         (tldm_call32): Merge into...
9407         (tldm_call64): Likewise.
9408         (tldm_call<P:mode>): ...this and use Pmode throughout.
9409         (tldo_hix22): Turn into...
9410         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9411         (tldo_lox10): Turn into...
9412         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9413         (tldo_add32): Merge into...
9414         (tldo_add64): Likewise.
9415         (tldo_add<P:mode>): ...this and use Pmode throughout.
9416         (tie_hi22): Turn into...
9417         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9418         (tie_lo10): Turn into...
9419         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9420         (tie_ld64): Use DImode throughout.
9421         (tie_add32): Merge into...
9422         (tie_add64): Likewise.
9423         (tie_add<P:mode>): ...this and use Pmode throughout.
9424         (tle_hix22_sp32): Merge into...
9425         (tle_hix22_sp64): Likewise.
9426         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9427         (tle_lox22_sp32): Merge into...
9428         (tle_lox22_sp64): Likewise.
9429         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9430         (*tldo_ldub_sp32): Merge into...
9431         (*tldo_ldub_sp64): Likewise.
9432         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9433         (*tldo_ldub1_sp32): Merge into...
9434         (*tldo_ldub1_sp64): Likewise.
9435         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9436         (*tldo_ldub2_sp32): Merge into...
9437         (*tldo_ldub2_sp64): Likewise.
9438         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9439         (*tldo_ldsb1_sp32): Merge into...
9440         (*tldo_ldsb1_sp64): Likewise.
9441         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9442         (*tldo_ldsb2_sp32): Merge into...
9443         (*tldo_ldsb2_sp64): Likewise.
9444         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9445         (*tldo_ldub3_sp64): Use DImode throughout.
9446         (*tldo_ldsb3_sp64): Likewise.
9447         (*tldo_lduh_sp32): Merge into...
9448         (*tldo_lduh_sp64): Likewise.
9449         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9450         (*tldo_lduh1_sp32): Merge into...
9451         (*tldo_lduh1_sp64): Likewise.
9452         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9453         (*tldo_ldsh1_sp32): Merge into...
9454         (*tldo_ldsh1_sp64): Likewise.
9455         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9456         (*tldo_lduh2_sp64): Use DImode throughout.
9457         (*tldo_ldsh2_sp64): Likewise.
9458         (*tldo_lduw_sp32): Merge into...
9459         (*tldo_lduw_sp64): Likewise.
9460         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9461         (*tldo_lduw1_sp64): Use DImode throughout.
9462         (*tldo_ldsw1_sp64): Likewise.
9463         (*tldo_ldx_sp64): Likewise.
9464         (*tldo_stb_sp32): Merge into...
9465         (*tldo_stb_sp64): Likewise.
9466         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9467         (*tldo_sth_sp32): Merge into...
9468         (*tldo_sth_sp64): Likewise.
9469         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9470         (*tldo_stw_sp32): Merge into...
9471         (*tldo_stw_sp64): Likewise.
9472         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9473         (*tldo_stx_sp64): Use DImode throughout.
9474
9475 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9476
9477         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9478         check configure option to set BTI and Return Address Signing.
9479         * configure.ac: Add --enable-standard-branch-protection and
9480         --disable-standard-branch-protection.
9481         * configure: Regenerated.
9482         * doc/install.texi: Document the same.
9483
9484 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9485             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9486
9487         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9488         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9489         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9490         if bti is enabled.
9491         * config/aarch64/aarch64-bti-insert.c: New file.
9492         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9493         pass.
9494         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9495         new bti pass.
9496         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9497         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9498         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9499         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9500
9501 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9502
9503         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9504         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9505         Disable bti for -mbranch-protection=none.
9506         (aarch64_handle_standard_branch_protection): Enable bti for
9507         -mbranch-protection=standard.
9508         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9509         -mbranch-protection.
9510         (aarch64_bti_enabled): Check if bti is enabled.
9511         * config/aarch64/aarch64.opt: Declare target variable.
9512         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9513
9514 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9515
9516         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9517         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9518         (aarch64_expand_epilogue): Likewise.
9519         (aarch64_output_mi_thunk): Likewise
9520         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9521         TAILCALL_ADDR_REGS to x16 and x17.
9522         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9523
9524 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9525
9526         * config/aarch64/aarch64-option-extensions.def: Define
9527         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9528         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9529         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9530         (AARCH64_FL_PREDRES): New.
9531         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9532         AARCH64_FL_PREDRES by default.
9533         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9534
9535 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9536
9537         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9538         ARMv8.5-A.
9539         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9540         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9541         * doc/invoke.texi: Document ARMv8.5-A.
9542
9543 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9544
9545         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9546         (xorsign<mode>3): Likewise.
9547
9548 2019-01-09  Jelinek  <jakub@redhat.com>
9549
9550         PR middle-end/88758
9551         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9552         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9553
9554         PR rtl-optimization/88331
9555         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9556         not currently_expanding_to_rtl.
9557
9558 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9559
9560         * doc/invoke.texi (-Os): Remove trailing spaces.
9561         (-finline-functions): Remove reference to -O2.
9562
9563 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9564
9565         PR rtl-optimization/79593
9566         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9567
9568         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9569         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9570
9571 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9572
9573         PR bootstrap/88721
9574         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9575         to -1 on entry.
9576
9577         PR debug/88723
9578         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9579         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9580
9581 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9582
9583         PR target/88717
9584         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9585         ix86_avx_u128_mode_entry.
9586
9587 2019-01-08  Martin Liska  <mliska@suse.cz>
9588
9589         PR tree-optimization/88753
9590         * tree-switch-conversion.c (switch_conversion::build_one_array):
9591         Come up with local variable constructor.  Convert first to
9592         type of constructor values.
9593
9594 2019-01-08  Richard Biener  <rguenther@suse.de>
9595
9596         PR tree-optimization/86554
9597         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9598         rpo_avail): Move earlier.
9599         (visit_nary_op): When value-numbering to expressions
9600         with different overflow behavior make sure there's an
9601         available expression on the path.
9602
9603 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9604
9605         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9606         aarch64_parse_branch_protection,
9607         struct aarch64_branch_protect_type,
9608         aarch64_handle_no_branch_protection,
9609         aarch64_handle_standard_branch_protection,
9610         aarch64_validate_mbranch_protection,
9611         aarch64_handle_pac_ret_protection,
9612         aarch64_handle_attr_branch_protection,
9613         accepted_branch_protection_string,
9614         aarch64_pac_ret_subtypes,
9615         aarch64_branch_protect_types,
9616         aarch64_handle_pac_ret_leaf): Define.
9617         (aarch64_override_options_after_change_1, aarch64_override_options):
9618         Add check for accepted_branch_protection_string.
9619         (aarch64_option_save): Save accepted_branch_protection_string.
9620         (aarch64_option_restore): Save accepted_branch_protection_string.
9621         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9622         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9623         msign-return-address.
9624         * doc/invoke.texi: Add mbranch-protection.
9625
9626 2019-01-08  Alan Modra  <amodra@gmail.com>
9627
9628         PR target/88614
9629         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9630         Delete "unknownp" parameter.  Adjust callers.  Handle
9631         CONST_INT, PLUS, MINUS, and MULT.
9632         (attr_value_aligned): Renamed from or_attr_value.
9633         (min_attr_value): Return INT_MIN for unhandled rtl case..
9634         (min_fn): ..and translate to INT_MAX here.
9635         (write_length_unit_log): Modify to cope without "unknown".
9636         (write_attr_value): Handle IF_THEN_ELSE.
9637
9638 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9639
9640         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9641         optimization for masked stores.
9642
9643 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9644
9645         PR middle-end/88567
9646         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9647         output vector directly to duplicate_and_interleave instead of
9648         going through a temporary.  Postpone insertion of ctor_seq to
9649         the end of the loop.
9650
9651 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9652
9653         PR target/86891
9654         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9655         unsigned_p.  Handle signed and unsigned overflow correction as
9656         required.
9657         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9658         prototype.
9659         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9660         for operand 2.
9661         (add<mode>3_compareV_imm): Make this callable for expanding.
9662         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9663         aarch64_plus_operand for operand 2.
9664         (subv<GPI:mode>_insn): New insn pattern.
9665         (subv<GPI:mode>_imm): Likewise.
9666         (negv<GPI:mode>3): New expand pattern.
9667         (negv<GPI:mode>_insn): New insn pattern.
9668         (negv<GPI:mode>_cmp_only): Likewise.
9669         (cmpv<GPI:mode>_insn): Likewise.
9670         (subvti4): Use register_operand for operand 1.  Update call to
9671         aarch64_expand_subvti.
9672         (usubvti4): Likewise.
9673         (negvti3): New expand pattern.
9674         (negdi_carryout): New insn pattern.
9675         (negvdi_carryinV): New insn pattern.
9676         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9677         version the named version.
9678         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9679         operands.
9680         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9681         patterns.
9682         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9683         patterns.
9684         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9685         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9686         (sub<mode>3_carryinCV): Delete.
9687         (sub<GPI:mode>3_carryinV): New expand pattern.
9688         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9689
9690 2019-01-07  Richard Biener  <rguenther@suse.de>
9691
9692         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9693         of tree_operand_hash.
9694
9695 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9696
9697         PR tree-optimization/88598
9698         * tree.h (single_nonzero_element): Declare.
9699         * tree.c (single_nonzero_element): New function.
9700         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9701         if I is the only nonzero element of CST.
9702
9703 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9704
9705         PR tree-optimization/88598
9706         * tree.h (initializer_each_zero_or_onep): Declare.
9707         * tree.c (initializer_each_zero_or_onep): New function.
9708         (signed_or_unsigned_type_for): Handle float types too.
9709         (unsigned_type_for, signed_type_for): Update comments accordingly.
9710         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9711         x & { 0 or -1, 0 or -1, ... }.
9712
9713 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9714
9715         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9716         with x86_64-pc-linux-gnu.
9717
9718 2019-01-07  Tom de Vries  <tdevries@suse.de>
9719
9720         PR target/85486
9721         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9722         function.
9723         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9724         routines.
9725
9726 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9727
9728         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9729         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9730         TARGET_AVX512F as condition.
9731
9732         PR debug/88723
9733         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9734         const_not_ok_for_debug_p target hook.
9735         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9736         on UNSPEC and subexpressions thereof if all subexpressions of the
9737         UNSPEC are CONSTANT_P.
9738
9739         PR tree-optimization/88676
9740         * tree-ssa-phiopt.c (two_value_replacement): New function.
9741         (tree_ssa_phiopt_worker): Call it.
9742
9743         PR sanitizer/88619
9744         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9745         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9746
9747         PR c++/85052
9748         * tree-vect-generic.c: Include insn-config.h and recog.h.
9749         (expand_vector_piecewise): Add defaulted ret_type argument,
9750         if non-NULL, use that in preference to type for the result type.
9751         (expand_vector_parallel): Formatting fix.
9752         (do_vec_conversion, do_vec_narrowing_conversion,
9753         expand_vector_conversion): New functions.
9754         (expand_vector_operations_1): Call expand_vector_conversion
9755         for VEC_CONVERT ifn calls.
9756         * internal-fn.def (VEC_CONVERT): New internal function.
9757         * internal-fn.c (expand_VEC_CONVERT): New function.
9758         * fold-const-call.c (fold_const_vec_convert): New function.
9759         (fold_const_call): Use it for CFN_VEC_CONVERT.
9760         * doc/extend.texi (__builtin_convertvector): Document.
9761
9762 2019-01-07  Tom de Vries  <tdevries@suse.de>
9763
9764         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9765         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9766         vector_red_partition, vector_red_sym): New global variables.
9767         (nvptx_option_override): Initialize vector_red_sym.
9768         (nvptx_declare_function_name): Restore red_partition register.
9769         (nvptx_file_end): Emit code to declare the vector reduction variables.
9770         (nvptx_output_red_partition): New function.
9771         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9772         large vector reductions.
9773         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9774         (nvptx_init_builtins): Add VECTOR_ADDR.
9775         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9776         Handle nvptx_expand_shared_addr.
9777         (nvptx_get_shared_red_addr): Add vector argument and handle large
9778         vectors.
9779         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9780         large vectors.
9781         (nvptx_goacc_reduction_init): Likewise.
9782         (nvptx_goacc_reduction_fini): Likewise.
9783         (nvptx_goacc_reduction_teardown): Likewise.
9784         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9785         init,fini,teardown}.
9786         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9787         (nvptx_set_current_function): Init vector_red_partition.
9788         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9789         (nvptx_red_partition): New insn.
9790         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9791
9792 2019-01-07  Tom de Vries  <tdevries@suse.de>
9793
9794         PR target/85381
9795         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9796         empty loops.
9797
9798 2019-01-07  Tom de Vries  <tdevries@suse.de>
9799
9800         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9801         (nvptx_option_override): Init oacc_bcast_partition.
9802         (nvptx_init_oacc_workers): New function.
9803         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9804         (nvptx_needs_shared_bcast): New function.
9805         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9806         to propagate state.
9807         (nvptx_shared_propagate): Initialize vector bcast partition and
9808         synchronization state.
9809         (nvptx_single):  Generalize to enable vectors to use shared-memory
9810         to propagate state.
9811         (nvptx_process_pars): Likewise.
9812         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9813         * config/nvptx/nvptx.h (struct machine_function): Add
9814         bcast_partition and sync_bar members.
9815
9816 2019-01-07  Tom de Vries  <tdevries@suse.de>
9817
9818         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9819         (nvptx_apply_dim_limits): New function.
9820         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9821         PTX_WARP_SIZE.
9822
9823 2019-01-07  Tom de Vries  <tdevries@suse.de>
9824
9825         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9826         as late as possible.
9827
9828 2019-01-07  Tom de Vries  <tdevries@suse.de>
9829
9830         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9831         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9832         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9833         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9834         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9835
9836 2019-01-07  Tom de Vries  <tdevries@suse.de>
9837
9838         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9839
9840 2019-01-07  Tom de Vries  <tdevries@suse.de>
9841
9842         * omp-offload.c (oacc_get_min_dim): New function.
9843         * omp-offload.h (oacc_get_min_dim): Declare.
9844
9845 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9846
9847         PR target/88521
9848         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9849         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9850
9851 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9852
9853         PR tree-opt/86020
9854         Revert:
9855         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9856
9857         * ipa-inline.c (edge_badness): Use inlined_time instead of
9858         inline_summaries->get.
9859
9860 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9861
9862         * opts.c (enable_fdo_optimizations): Enable
9863         version-loops-for-strides, loop-interchange, unrol-and-jam
9864         and tree-loop-distribution.
9865         * invoke.texi: Document newly enabled options.
9866
9867 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9868
9869         * doc/invoke.texi (max-inline-insns-small): New parameters.
9870         * ipa-inline.c (want_early_inline_function_p): simplify.
9871         (want_inline_small_function_p): Fix pasto from previous patch;
9872         use max-inline-insns-small bound.
9873         * params.def (max-inline-insns-small): New param.
9874         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9875         variables correctly.
9876
9877 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9878
9879         * doc/invoke.texi: Document max-inline-insns-size,
9880         uninlined-function-insns, uninlined-function-time,
9881         uninlined-thunk-insns and uninlined-thunk-time.
9882         * params.def: Add max-inline-insns-size,
9883         uninlined-function-insns, uninlined-function-time,
9884         uninlined-thunk-insns and uninlined-thunk-time.
9885         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9886         new parameters.
9887         * ipa-inline.c (can_inline_edge_by_limits_p,
9888         want_inline_small_function_p): Use new parameters.
9889
9890 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9891
9892         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9893
9894 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9895
9896         PR middle-end/82564
9897         PR target/88620
9898         * expr.c (expand_assignment): For calls returning VLA structures
9899         if to_rtx is not a MEM, force it into a stack temporary.
9900
9901         PR debug/88635
9902         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9903         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9904         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9905         subexpressions of both operands.
9906         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9907         subrtxes are CONSTANT_P.
9908         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9909         2018-11-09 changes.
9910
9911 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9912
9913         * params.def (hot-bb-count-ws-permille): Set to 990.
9914
9915 2019-01-04  Martin Sebor  <msebor@redhat.com>
9916
9917         PR c/88546
9918         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9919         leaf.
9920
9921 2019-01-04  Martin Sebor  <msebor@redhat.com>
9922
9923         PR c/88363
9924         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9925
9926 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9927
9928         * gdbinit.in: Turn off pagination for the skip commands, restore
9929         it to previous state afterwards.
9930
9931 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9932
9933         PR target/88594
9934         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9935         of GET_MODE (opN) as modes of the libcall arguments.
9936
9937 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9938
9939         * config/i386/sse.md
9940         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9941         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9942         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9943         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9944         avx512f_vmcmp<mode>3<round_saeonly_name>,
9945         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9946         avx512f_maskcmp<mode>3,
9947         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9948         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9949         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9950         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9951         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9952         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9953         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9954         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9955         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9956         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9957         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9958         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9959         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9960         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9961         avx512cd_maskb_vec_dup<mode>,
9962         avx512cd_maskw_vec_dup<mode>,
9963         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9964         avx512dq_vmfpclass<mode>,
9965         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9966         instead of =Yk.
9967
9968 2019-01-03  Martin Sebor  <msebor@redhat.com>
9969
9970         PR tree-optimization/88659
9971         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9972
9973 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9974
9975         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9976         unaligned vsx and avoid lxvd2x/stxvd2x.
9977         (gen_lvx_v4si_move): New function.
9978
9979 2019-01-03  Tom de Vries  <tdevries@suse.de>
9980
9981         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9982         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9983         function.
9984         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9985
9986 2019-01-03  Tom de Vries  <tdevries@suse.de>
9987
9988         * config/nvptx/nvptx.c (struct offload_attrs): New.
9989         (populate_offload_attrs): New function.  Factor mask extraction out of
9990         nvptx_reorg.  Add extraction of dimensions.
9991         (nvptx_reorg): Use populate_offload_attrs.
9992
9993 2019-01-03  Tom de Vries  <tdevries@suse.de>
9994
9995         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9996         cases for oacc_min_dims_p and routine_p.  Add asserts for
9997         oacc_default_dims_p and offload_region_p.
9998
9999 2019-01-03  Tom de Vries  <tdevries@suse.de>
10000
10001         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10002         factored out of ...
10003         (nvptx_goacc_validate_dims): ... here.
10004
10005 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10006
10007         PR tree-optimization/85574
10008         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10009         structure.
10010         (struct ssa_equip_hash_traits): Declare.
10011         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10012
10013 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10014
10015         PR debug/88644
10016         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10017         change it to qualified_type.
10018
10019 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10020
10021         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10022         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10023
10024 2019-01-02  Martin Sebor  <msebor@redhat.com>
10025             Jeff Law  <law@redhat.com>
10026
10027         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10028         (get_range_strlen_tree): Update appropriately.
10029         (get_range_strlen)
10030         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10031
10032         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10033         rather than set_range_info.
10034         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10035         maybe_set_strlen_range.  Handle potentially boundary crossing
10036         cases more conservatively.
10037         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10038         Call set_strlen_range.
10039         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10040
10041         PR middle-end/88663
10042         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10043         need the flexp argument.
10044         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10045         from calls to get_range_strlen.  Update comments.  Just update
10046         VAL for an unterminated const char array and let the reset of the
10047         code handle it normally.  No longer try to set *flexp.  Adjust
10048         return value.
10049         (get_range_strlen): Update for the new get_range_strlen API.
10050         (get_maxval_strlen): Similarly.
10051         (gimple_fold_builtin_strlen): Handle update meaning of return value
10052         from get_range_strlen.
10053         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10054         get_range_strlen API.
10055
10056 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10057
10058         PR lto/88130
10059         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10060         false at WPA time when body was removed.
10061
10062 2019-01-02  Martin Liska  <mliska@suse.cz>
10063
10064         PR tree-optimization/88650
10065         * predict.c (set_even_probabilities): Calculate probability
10066         remainer only when really used.
10067
10068 2019-01-02  Richard Biener  <rguenther@suse.de>
10069
10070         PR middle-end/88651
10071         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10072         widest_ints when mangling max_stmt_execution results.
10073
10074 2019-01-02  Richard Biener  <rguenther@suse.de>
10075
10076         PR tree-optimization/88621
10077         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10078         bitfields when canoncalizing.
10079
10080 2019-01-02  Richard Biener  <rguenther@suse.de>
10081
10082         PR target/87545
10083         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10084         cost of cheap SSE instruction.
10085
10086 2019-01-02  Richard Biener  <rguenther@suse.de>
10087
10088         PR ipa/85574
10089         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10090         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10091         function.
10092         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10093         set after UIDs before splitting them.
10094
10095 2019-01-01  Martin Sebor  <msebor@redhat.com>
10096             Jeff Law  <law@redhat.com>
10097
10098         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10099         length is optimistic.  If it is, then arrange to compute the
10100         conservative length as well.
10101
10102         * gimple-fold.h (get_range_strlen): Update prototype.
10103         * builtins.c (check_access): Update call to get_range_strlen to use
10104         c_strlen_data pointer.   Change various variable accesses to instead
10105         pull data from the c_strlen_data structure.
10106         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10107         * calls.c (maybe_warn_nonstring_arg): Likewise.
10108         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10109         minimum length if maximum lengh is unknown.
10110         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10111         that used c_strlen, it's no longer needed.  Restructure slightly.
10112         (format_string): Set unlikely range appropriately.
10113         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10114         formatting issues.
10115         (get_range_strlen):  Accept c_strlen_data pointer for external
10116         call sites as well.  Pass through to call to internal get_range_strlen.
10117         Adjust minlen, maxlen and maxbound as needed.
10118         (get_maxval_strlen): Update comments.
10119         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10120         to use c_strlen_data pointer.  Change variable accesses to instead
10121         use c_strlen_data data members.
10122
10123         * gimple-fold.c (get_range_strlen): Update prototype.
10124         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10125         local variables.  Use pdata to return information to caller.
10126         Update calls to get_range_strlen.  Update pdata->maxbound.
10127         (get_range_strlen -- static version): Similarly.
10128         (get_range_strlen -- extern version): Update for internal
10129         get_range_strlen API change.  Convert to external data format.
10130         (get_maxval_strlen): Similarly.
10131
10132 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10133
10134         * coverage.c (get_coverage_counts): Use current_function_decl.
10135         * profile.c (read_thunk_profile): New function.
10136         (branch_prob): Add THUNK parameter.
10137         * tree-profile.c (tree_profiling): Handle thunks.
10138         * value-prof.c (init_node_map): Handle thunks.
10139         * value-prof.h (branch_prob): Upate prototype.
10140         (read_thunk_profile): Declare.
10141
10142 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10143
10144         Update copyright years.
10145
10146         * gcc.c (process_command): Update copyright notice dates.
10147         * gcov-dump.c (print_version): Ditto.
10148         * gcov.c (print_version): Ditto.
10149         * gcov-tool.c (print_version): Ditto.
10150         * gengtype.c (create_file): Ditto.
10151         * doc/cpp.texi: Bump @copying's copyright year.
10152         * doc/cppinternals.texi: Ditto.
10153         * doc/gcc.texi: Ditto.
10154         * doc/gccint.texi: Ditto.
10155         * doc/gcov.texi: Ditto.
10156         * doc/install.texi: Ditto.
10157         * doc/invoke.texi: Ditto.
10158 \f
10159 Copyright (C) 2019 Free Software Foundation, Inc.
10160
10161 Copying and distribution of this file, with or without modification,
10162 are permitted in any medium without royalty provided the copyright
10163 notice and this notice are preserved.