gcc/ChangeLog

   1 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
   2
   3         PR target/88837
   4         * vector-builder.h (vector_builder::count_dups): New method.
   5         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
   6         Declare prototype.
   7         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
   8         (vec_init<mode><Vel>): New pattern.
   9         * config/aarch64/aarch64.c (emit_insr): New function.
  10         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
  11         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
  12         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
  13         (aarch64_sve_expand_vector_init): Define two overloaded functions.
  14
  15 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
  16
  17         PR tree-optimization/90681
  18         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
  19         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
  20         special case for SLP, but fail on non-groupped loads.
  21
  22 2019-06-03  Martin Liska  <mliska@suse.cz>
  23
  24         * cfg.c (debug): Use TDF_DETAILS for debug and
  25         print edge info only once.
  26
  27 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
  28
  29         PR fortran/90539
  30         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
  31
  32 2019-06-01  Martin Sebor  <msebor@redhat.com>
  33
  34         PR middle-end/90694
  35         * tree-pretty-print.c (dump_generic_node): Add parentheses.
  36
  37 2019-05-31  Jan Hubicka  <jh@suse.cz>
  38
  39         * alias.c: Include ipa-utils.h.
  40         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
  41         * ipa-devirt.c (prevailing_odr_type): New.
  42         * ipa-utils.h (previaling_odr_type): Declare.
  43
  44 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
  45             Hongtao Liu  <hongtao.liu@intel.com>
  46
  47         PR target/89355
  48         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
  49         NOTE_INSN_DELETED_LABEL check.
  50
  51 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
  52             Robert Suchanek  <robert.suchanek@mips.com>
  53
  54         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
  55         and 3rd operands of the fmadd/fmsub/maddv builtin.
  56
  57 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
  58
  59         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
  60         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
  61         on OMP_SIMD if not nested inside of worksharing loop that also has
  62         lastprivate conditional clause for the same decl.
  63         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
  64         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
  65         on simd.
  66         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
  67         on simd construct.
  68         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
  69         on simd construct.
  70         (lower_lastprivate_clauses): Likewise.
  71         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
  72         calling lower_rec_input_clauses.
  73         (lower_omp_for): Likewise.
  74         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
  75         clause on simd construct.
  76         * omp-expand.c (expand_omp_simd): Initialize cond_var if
  77         OMP_CLAUSE__CONDTEMP_ clause is present.
  78
  79         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
  80         ivar and lvar.
  81
  82 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
  83
  84         PR c/43673
  85         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
  86         TEX_D32, TEX_D64 or TEX_D128.
  87
  88 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
  89
  90         * match.pd (~(vec?cst1:cst2)): New transformation.
  91
  92 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
  93
  94         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
  95         ((size_t)(A /[ex] B) CMP C): New transformation.
  96
  97 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
  98
  99         * doc/md.texi: Document define_insn_and_rewrite.
 100         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 101         * gensupport.c (queue_elem): Update comment.
 102         (replace_operands_with_dups): New function.
 103         (gen_rewrite_sequence): Likewise.
 104         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 105         * read-rtl.c (apply_subst_iterator): Likewise.
 106         (add_condition_to_rtx, named_rtx_p): Likewise.
 107         (rtx_reader::read_rtx_operand): Likewise.
 108         * config/aarch64/aarch64-sve.md
 109         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 110         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 111         define_insn_and_rewrite.
 112         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 113         Remove separate define_split.
 114
 115 2019-05-31  Jan Hubicka  <jh@suse.cz>
 116
 117         * tree-ssa-alias.c (type_has_components_p): New function.
 118         (aliasing_component_refs_p): Use it.
 119
 120 2019-05-31  Martin Liska  <mliska@suse.cz>
 121
 122         * gdbhooks.py: Add const_tree to TreePrinter.
 123
 124 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 125
 126         PR debug/86964
 127         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 128         * doc/invoke.texi (Debugging Options): Document new default of
 129         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 130
 131 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 132
 133         PR tree-optimization/90671
 134         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 135         template_block used to be empty on the first call, don't use
 136         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 137         seq with bb_seq and set it with set_bb_seq.
 138
 139 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 140
 141         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 142
 143 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 144             Michael Meissner  <meissner@linux.ibm.com>
 145
 146         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 147         (prefixed_mem_operand): Likewise.
 148         (non_prefixed_mem_operand): Likewise.
 149         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 150         prototype.
 151         * config/rs6000/rs6000.c (print_operand_address): Handle
 152         PC-relative addresses.
 153         (mode_supports_prefixed_address_p): New function.
 154         (rs6000_prefixed_address): New function.
 155         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 156         (SYMBOL_REF_PCREL_P): Likewise.
 157
 158 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 159
 160         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 161         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 162         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 163         is nested inside of parallel region, add _condtemp_ clause to both.
 164         * tree-nested.c (convert_nonlocal_omp_clauses,
 165         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 166         assertion failure.
 167         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 168         member.
 169         * omp-general.c (omp_extract_for_data): Compute it.
 170         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 171         (lower_rec_input_clauses): Likewise.
 172         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 173         clause is already present, just add one further one after it.
 174         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 175         (lower_send_shared_vars): Clear _condtemp_ vars.
 176         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 177         or section or taskgroup.
 178         * omp-expand.c (determine_parallel_type): Disallow combining only if
 179         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 180         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 181         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 182         expand_omp_for_static_chunk, expand_omp_for): Use
 183         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 184         determine if a special set of API routines are needed and if condtemp
 185         needs to be initialized, while always initialize cond_var if
 186         fd->lastprivate_conditional is non-zero.
 187
 188 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 189             Michael Meissner  <meissner@linux.ibm.com>
 190
 191         * config/rs6000/constraints.md (eI): New constraint.
 192         * config/rs6000/predicates.md (cint34_operand): New predicate.
 193         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 194         (SIGNED_34BIT_OFFSET_P): Likewise.
 195         * doc/md.texi (eI): Document constraint.
 196
 197 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 198
 199         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 200
 201 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 202             Michael Meissner  <meissner@linux.ibm.com>
 203
 204         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 205         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 206         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 207         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 208         (OTHER_FUTURE_MASKS): Likewise.
 209         (POWERPC_MASKS): Likewise.
 210         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 211         specified without -mprefixed-addr or -mcpu=future.  Error if
 212         -mprefixed-addr is specified without -mcpu=future.
 213         (rs6000_opt_masks): Add entry for prefixed-addr.
 214         * rs6000.opt (mprefixed-addr): New option.
 215
 216 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 217
 218         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 219         cfun->is_thunk check.
 220
 221 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 222
 223         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 224         to length.
 225
 226 2019-05-30  Martin Liska  <mliska@suse.cz>
 227
 228         * gdbinit.in: Fix 'ptc' command.  Add trt
 229         that prints TREE_TYPE($).
 230
 231 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 232             Alan Modra  <amodra@gmail.com>
 233
 234         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 235         calls here...
 236         (rs6000_indirect_call_template_1): ...and here.
 237         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 238         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 239         rs6000_pltseq_enum.
 240         (rs6000_decl_ok_for_sibcall): New function.
 241         (rs6000_function_ok_for_sibcall): Refactor.
 242         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 243         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 244         when pcrel.  Reorganize.
 245         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 246         * rs6000.h (rs6000_pltseq_enum): New enum.
 247         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 248         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 249         (*pltseq_plt16_ha): Likewise.
 250         (*pltseq_plt16_lo): Likewise.
 251         (*pltseq_mtctr): Likewise.
 252         (*pltseq_plt_pcrel): New insn.
 253         (*call_local_aix): Handle @notoc calls.
 254         (*call_value_local_aix): Likewise.
 255         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 256         (*call_value_nonlocal_aix): Likewise.
 257         (*call_indirect_pcrel): New insn.
 258         (*call_value_indirect_pcrel): Likewise.
 259
 260
 261 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 262
 263         * config/i386/sse.md (*save_multiple<mode>): Rename from
 264         save_multiple<mode>.
 265         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 266         (*restore_multiple_and_return<mode>): Rename from
 267         restore_multiple_and_return<mode>.
 268         (*restore_multiple_leave_return<mode>): Rename from
 269         restore_multiple_leave_return<mode>.
 270
 271 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 272
 273         * config.gcc (rx-*-linux*): New target.
 274         * config/rx/elf.opt: New file.
 275         * config/rx/linux.h: Likewise.
 276         * config/rx/t-linux: Likewise.
 277         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 278         make it zero.
 279         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 280         (ASM_APP_OFF): Likewise.
 281         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 282         moved elsewhere.
 283
 284 2019-05-29  Jan Hubicka  <jh@suse.cz>
 285
 286         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 287         variants are pointer equivalent.
 288
 289 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 290
 291         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 292         * config/aarch64/aarch64-sve2.md: New file.
 293         (<u>avg<mode>3_floor): New pattern.
 294         (<u>avg<mode>3_ceil): Likewise.
 295         (*<sur>h<addsub><mode>): Likewise.
 296         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 297         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 298
 299 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 300
 301         PR bootstrap/90543
 302         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 303         for var_opt_string printing.  In cl_optimization_print_diff, print
 304         (null) instead of invoking undefined behavior if one of the
 305         var_opt_string pointers is NULL and use && instead of first || in the
 306         guarding condition.  For var_target_other options, handle const char *
 307         target variables similarly to const char * optimize node variables.
 308
 309 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 310
 311         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 312         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 313         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 314         Add autib1716 and pacib1716 initialisation.
 315         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 316         for autib1716 and pacib1716.
 317         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 318         aarch64_post_cfi_startproc): Define.
 319         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 320         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 321         aarch64_handle_pac_ret_protection): Set default sign key to A.
 322         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 323         aarch64_expand_prologue): Add check for b-key.
 324         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 325         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 326         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 327         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 328         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 329         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 330         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 331         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 332         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 333         pauth_hint_num_a with pauth_hint_num.
 334         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 335         pauth_hint_num_a with pauth_hint_num.
 336         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 337         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 338         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 339         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 340         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 341         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 342         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 343         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 344         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 345         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 346         UNSPEC_AUTIA1716 respectively.
 347         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 348         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 349         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 350         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 351         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 352
 353 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 354
 355         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 356         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 357         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 358         explicit clause on combined parallel into implicit shared clause.
 359         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 360         and firstprivate if the decl has one too from combined parallel to
 361         the worksharing construct.
 362
 363 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 364             Michael Meissner  <meissner@linux.ibm.com>
 365
 366         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 367
 368 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 369
 370         * rtl.h (LABEL_REF_P): New #define.
 371
 372 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 373
 374         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 375
 376 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 377
 378         * internal-fn.c: Marked mask_load_direct as vectorizable.
 379         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 380         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 381         combined even if masks different with allow_slp_p param.
 382         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 383         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 384         dissolve SLP-only vectorizable groups when SLP has been discarded.
 385         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 386         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 387         masks.
 388         (vect_build_slp_tree_1): Fixed comment typo.
 389         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 390         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 391         loads for SLP only.
 392         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 393         vectorizable.
 394         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 395
 396 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 397
 398         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 399         Remove obsolete use_thunk reference.
 400         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 401         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 402         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 403         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 404         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 405         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 406         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 407         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 408         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 409
 410 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 411
 412         * tree.h (IDENTIFIER_ANON_P): New.
 413         (anon_aggrname_format, anon_aggname_p): Don't declare.
 414         (make_anon_name): Declare.
 415         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 416         (hash_tree): Likewise.
 417         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 418         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 419         (anon_cnt, make_anon_name): New.
 420
 421 2019-05-28  Martin Liska  <mliska@suse.cz>
 422
 423         PR other/90315
 424         * opts-global.c (decode_options): Print help for all
 425         help_option_arguments.
 426         * opts.c (print_help): Add new argument.
 427         (common_handle_option): Remember all values into
 428         help_option_arguments.
 429         * opts.h (print_help): Add new argument.
 430
 431 2019-05-28  Martin Liska  <mliska@suse.cz>
 432
 433         PR ipa/90555
 434         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 435         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 436         (func_checker::compare_bb): Call compare_loops.
 437
 438 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 439
 440         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 441         on sections construct.
 442         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 443         construct.
 444         (lower_omp_sections): Handle lastprivate conditional.
 445         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 446         lastprivate_conditional_map.
 447         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 448
 449         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 450         critical, taskgroup and section regions when looking for a region
 451         with non-NULL lastprivate_conditional_map.
 452
 453 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 454
 455         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 456         (*ix86_gen_sub3): Ditto.
 457         (*ix86_gen_sub3_carry): Ditto.
 458         (*ix86_gen_one_cmpl2): Ditto.
 459         (*ix86_gen_andsp): Ditto.
 460         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 461         (gen_and2_insn): New static function.
 462         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 463         Use gen_add3_insn instead of ix86_gen_add3.
 464         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 465         instead of ix86_gen_add3.
 466         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 467         Use gen_sub3_insn instead of ix86_gen_sub3.
 468         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 469         instead of ix86_gen_add3.
 470         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 471         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 472         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 473         * config/i386/i386-options.c (ix86_option_override_internal):
 474         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 475         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 476
 477 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 478
 479         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 480         and DW_OP_GNU_const_index opcodes.
 481
 482 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 483
 484         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 485
 486 2019-05-27  Richard Biener  <rguenther@suse.de>
 487
 488         PR tree-optimization/90637
 489         * tree-ssa-sink.c (statement_sink_location): Honor the
 490         computed sink location for single-uses.
 491
 492 2019-05-27  Richard Biener  <rguenther@suse.de>
 493
 494         PR middle-end/90610
 495         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 496         a bit-insert.
 497
 498 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 499
 500         * config/i386/i386.md (@sub<mode>3_carry): Rename
 501         from sub<mode>3_carry.
 502         (@leave_<mode>): New expander.
 503         (*leave): Rename from leave.
 504         (*leave_rex64): Rename from leave_rex64.
 505         (@monitorx_<mode>): Rename from monitorx_<mode>.
 506         (@clzero_<mode>): Rename from clzero_<mode>.
 507         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 508         from sse3_monitor_<mode>.
 509         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 510         (*ix86_gen_leave): Ditto.
 511         (*ix86_gen_monitor): Ditto.
 512         (*ix86_gen_monitorx): Ditto.
 513         (*ix86_gen_clzero): Ditto.
 514         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 515         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 516         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 517         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 518         Use gen_sse3_monitor instead of ix86_gen_monitor.
 519         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 520         instead of ix86_gen_monitorx.
 521         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 522         instead of ix86_gen_clzero.
 523         * config/i386/i386-options.c (ix86_option_override_internal):
 524         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 525         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 526
 527 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 528
 529         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 530         Rename from tls_global_dynamic_64_<mode>.
 531         (@tls_local_dynamic_base_64_<mode>): Rename from
 532         tls_local_dynamic_base_64_<mode>.
 533         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 534         Remove indirect function.
 535         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 536         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 537         instead of ix86_gen_tls_global_dynamic_64.
 538         Use gen_tls_local_dynamic_base_64 instead of
 539         ix86_gen_tls_local_dynamic_base_64.
 540         * config/i386/i386-options.c (ix86_option_override_internal):
 541         Do not initialize ix86_gen_tls_global_dynamic_64 and
 542         ix86_gen_tls_local_dynamic_base_64.
 543
 544 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 545
 546         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 547         Rename from pro_epilogue_adjust_stack_<mode>_add.
 548         (@pro_epilogue_adjust_stack_sub_<mode>)
 549         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 550         (@allocate_stack_worker_probe_<mode>):
 551         Rename from allocate_stack_worker_probe_<mode>.
 552         (allocate_stack): Use gen_allocate_stack_worker_probe.
 553         (probe_stack): Use gen_probe_stack_1.
 554         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 555         (@adjust_stack_and_probe_<mode>): Rename from
 556         adjust_stack_and_probe<mode>.
 557         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 558         (stack_protect_set): Use gen_stack_protect_set_1.
 559         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 560         (stack_protect_test): Use gen_stack_protect_test_1.
 561         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 562         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 563         Remove indirect function.
 564         (*ix86_gen_adjust_stack_and_probe): Ditto.
 565         (*ix86_gen_probe_stack_range): Ditto.
 566         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 567         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 568         (ix86_adjust_stack_and_probe_stack_clash): Use
 569         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 570         (ix86_adjust_stack_and_probe): Ditto.
 571         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 572         of ix86_gen_probe_stack_range.
 573         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 574         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 575         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 576         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 577         CODE_FOR_stack_protect_test_{si,di}.
 578         * config/i386/i386-options.c (ix86_option_override_internal):
 579         Do not initialize ix86_gen_allocate_stack_worker,
 580         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 581
 582 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 583
 584         * doc/invoke.texi (Link Options): Many editorial changes around
 585         -flinker-output.
 586
 587 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 588
 589         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 590         pre-Solaris 11 referene and most Studio compiler details.
 591
 592 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 593
 594         PR target/90530
 595         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 596         DImode to SImode in floating-point registers on 64-bit target.
 597         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 598         register_operand in xmpyu patterns.
 599
 600 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 601
 602         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 603         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 604         OMP_CLAUSE__REDUCTEMP_.
 605         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 606         OMP_CLAUSE__CONDTEMP_.
 607         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 608         * tree-pretty-print.c (dump_omp_clause): Likewise.
 609         * tree-nested.c (convert_nonlocal_omp_clauses,
 610         convert_local_omp_clauses): Likewise.
 611         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 612         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 613         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 614         on OMP_FOR.
 615         (gimplify_omp_for): Warn and disable conditional modifier from
 616         lastprivate on loop iterators.
 617         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 618         member.
 619         * omp-general.c (omp_extract_for_data): Initialize it.
 620         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 621         member.
 622         (delete_omp_context): Delete it.
 623         (lower_lastprivate_conditional_clauses): New function.
 624         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 625         handle lastprivate conditional clauses.
 626         (lower_reduction_clauses): Add CLIST argument, emit it into
 627         the critical section if any.
 628         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 629         lower_reduction_clauses callers.
 630         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 631         to lower_lastprivate_clauses.
 632         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 633         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 634         clist into a critical section if not emitted there already by
 635         lower_reduction_clauses.
 636         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 637         callers.
 638         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 639         conditional variables.
 640         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 641         clause is present.
 642         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 643         expand_omp_for_static_chunk): Handle lastprivate conditional.
 644         (expand_omp_for): Handle fd.lastprivate_conditional like
 645         fd.have_reductemp.
 646
 647 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 648
 649         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 650         kernel does not exit cleanly.
 651         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 652
 653 2019-05-24  Jason Merrill  <jason@redhat.com>
 654
 655         Revert:
 656         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 657
 658 2019-05-24  Richard Biener  <rguenther@suse.de>
 659
 660         PR testsuite/90607
 661         * tree-loop-distribution.c (struct partition): Add location
 662         member.
 663         (partition_alloc): Initialize all fields.
 664         (generate_memset_builtin): Use the location recorded in the
 665         partition for the generated call.
 666         (generate_memcpy_builtin): Likewise.
 667         (classify_partition): Record the location of a single store
 668         as location for the partition.
 669
 670 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 671
 672         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 673         for lo-part.
 674
 675 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 676
 677         PR target/90588
 678         * common/config/aarch64/aarch64-common.c
 679         (aarch64_rewrite_selected_cpu): Change local temporary variable
 680         type from unsigned long to uint64_t.
 681         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 682         aarch64_get_extension_string_for_isa_flags): Change declaration to
 683         match new definition by replacing unsigned long with uint64_t.
 684
 685 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 686
 687         PR target/90568
 688         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 689         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 690         Handle stack_protect_test_<mode> codegen similarly to corresponding
 691         sub instruction.
 692
 693 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 694
 695        * config/i386/darwin.h: Reject -mfentry*.
 696        * doc/sourcebuild.texi: Document mfentry target support.
 697
 698 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 699
 700         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 701         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 702         false for PC-relative functions.
 703         (rs6000_output_function_prologue): Change called function name to
 704         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 705         name,1" for PC-relative functions.
 706         (rs6000_elf_declare_function_name): Change called function name to
 707         rs6000_global_entry_point_prologue_needed_p.
 708
 709 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 710
 711         PR target/90552
 712         * config/i386/i386.c (gen_rtx_cost):
 713         Use ix86_tune_cost instead of ix86_cost.
 714
 715 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 716             Michael Meissner  <meissner@linux.ibm.com>
 717             Segher Boessenkool  <segher@kernel.crashing.org>
 718
 719         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 720         OPTION_MASK_PCREL.
 721         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 722         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 723         (rs6000_fndecl_pcrel_p): Likewise.
 724         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 725         error if -mpcrel is requested without -mcpu=future.
 726         (rs6000_opt_masks): Add entry for pcrel.
 727         (rs6000_fndecl_pcrel_p): New function.
 728         (rs6000_pcrel_p): Likewise.
 729         * config/rs6000/rs6000.opt (mpcrel): New option.
 730         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 731
 732 2019-05-23  Jan Hubicka  <jh@suse.cz>
 733             Martin Liska  <mliska@suse.cz>
 734
 735         PR tree-optimization/90576
 736         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 737         poly_int_tree_p.
 738         (aliasing_component_refs_p): Fix three way size compare conditional;
 739         give up earlier in case we can not decide on equivalence.
 740
 741 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 742             Michael Meissner  <meissner@linux.ibm.com>
 743             Segher Boessenkool  <segher@kernel.crashing.org>
 744
 745         * config.gcc: Add future cpu.
 746         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 747         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 748         #define.
 749         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 750         (RS6000_CPU): New instantiation for future cpu.
 751         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 752         PROCESSOR_FUTURE.
 753         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 754         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 755         * config/rs6000/rs6000-tables.opt: Regenerate.
 756         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 757         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 758         (rs6000_machine_from_flags): Handle future cpu.
 759         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 760         PROCESSOR_POWER9 for now.
 761         (rs6000_adjust_cost): Likewise.
 762         (rs6000_issue_rate): Likewise.
 763         (rs6000_register_move_cost): Likewise.
 764         (rs6000_opt_masks): Add entry for future.
 765         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 766         (MASK_FUTURE): New #define.
 767         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 768         * config/rs6000/rs6000.opt (mfuture): New target option.
 769         * doc/invoke.texi (mcpu): Add future cpu.
 770
 771 2019-05-23  Martin Liska  <mliska@suse.cz>
 772
 773         PR c++/90587
 774         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 775         operation points to a temporary (pointed via tree_to_wide_ref)
 776         that is out of scope after the &.
 777
 778 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 779
 780         PR c++/90592
 781         * doc/extend.texi (Function Names): Add missing word.
 782
 783 2019-05-23  Richard Biener  <rguenther@suse.de>
 784
 785         PR tree-optimization/88440
 786         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 787         at -O[2s]+.
 788         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 789         generated call.
 790         (generate_memcpy_builtin): Likewise.
 791         (distribute_loop): Pass in whether to only distribute patterns.
 792         (prepare_perfect_loop_nest): Also allow size optimization.
 793         (pass_loop_distribution::execute): When optimizing a loop
 794         nest for size allow pattern replacement.
 795
 796 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 797
 798         PR target/90568
 799         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 800         of xor.
 801
 802 2019-05-23  Martin Liska  <mliska@suse.cz>
 803
 804         PR sanitizer/90570
 805         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 806         expression similarly to gimplify_decl_expr.
 807
 808 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 809
 810         * cse.c (cse_dump_path): s/dump_file/f.
 811
 812 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 813
 814         PR c++/90462
 815         * diagnostic-format-json.cc: Include "selftest.h".
 816         (json_from_expanded_location): Only add "file" key for non-NULL
 817         file strings.
 818         (json_from_location_range): Don't add "start" and "finish"
 819         children if they are UNKNOWN_LOCATION.
 820         (selftest::test_unknown_location): New selftest.
 821         (selftest::test_bad_endpoints): New selftest.
 822         (selftest::diagnostic_format_json_cc_tests): New function.
 823         * json.cc (json::object::get): New function.
 824         (selftest::test_object_get): New selftest.
 825         (selftest::json_cc_tests): Call it.
 826         * json.h (json::object::get): New decl.
 827         * selftest-run-tests.c (selftest::run_tests): Call
 828         selftest::diagnostic_format_json_cc_tests.
 829         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 830         decl.
 831
 832 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 833             Andrew Stubbs  <amd@codesourcery.com>
 834
 835         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 836         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 837         (kernel): Rename to...
 838         (main_kernel): ... this.
 839         (load_image): Load _init_array and _fini_array kernels.
 840         (run): Add argument for kernel to run.
 841         (main): Run init_array_kernel before main_kernel, and
 842         fini_array_kernel after.
 843         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 844         amdgpu_hsa_kernel attribute on functions.
 845         (gcn_disable_constructors): Delete.
 846         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 847         * config/gcn/crt0.c (size_t): Define.
 848         (_init_array, _fini_array): New.
 849         (__preinit_array_start, __preinit_array_end,
 850         __init_array_start, __init_array_end,
 851         __fini_array_start, __fini_array_end): Declare weak references.
 852
 853 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 854
 855         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 856
 857 2019-05-22  Jason Merrill  <jason@redhat.com>
 858
 859         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 860
 861 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 862
 863         PR target/88483
 864         * config/i386/i386-options.c (ix86_init_machine_status): Set
 865         stack_frame_required to true.
 866         * config/i386/i386.c (ix86_get_frame_size): New function.
 867         (ix86_frame_pointer_required): Replace get_frame_size with
 868         ix86_get_frame_size.
 869         (ix86_compute_frame_layout): Likewise.
 870         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 871         stack_frame_required.
 872         (ix86_finalize_stack_frame_flags): Always call
 873         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 874         ix86_get_frame_size.
 875         * config/i386/i386.h (machine_function): Add stack_frame_required.
 876
 877 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 878
 879         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 880
 881 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 882
 883         * common/config/aarch64/aarch64-common.c
 884         (struct aarch64_option_extension, struct processor_name_to_arch,
 885         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 886         aarch64_contains_opt,
 887         aarch64_get_extension_string_for_isa_flags): Change type of
 888         variables storing flags to uint64_t.
 889         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 890         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 891         * config/aarch64/aarch64.c (struct processor,
 892         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 893         aarch64_validate_march, aarch64_override_options,
 894         aarch64_option_print, aarch64_handle_attr_isa_flags,
 895         aarch64_declare_function_name, aarch64_start_file): Make flag
 896         variables uint64_t.
 897         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 898         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 899         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 900         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 901         * config/aarch64/driver-aarch64.c
 902         (struct aarch64_arch_extension, struct aarch64_core_data,
 903         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 904         flag variables uint64_t.
 905         * doc/invoke.texi: Add documentation for new arguments.
 906
 907 2019-05-22  Richard Biener  <rguenther@suse.de>
 908
 909         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 910         rewrite ...
 911         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 912
 913 2019-05-22  Martin Liska  <mliska@suse.cz>
 914
 915         PR lto/90500
 916         * doc/extend.texi: Document the change.
 917
 918 2019-05-22  Richard Biener  <rguenther@suse.de>
 919
 920         PR tree-optimization/90450
 921         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 922         (mem_ref_hasher::equal): Check it.
 923         (mem_ref_alloc): Initialize it.
 924         (gather_mem_refs_stmt): Set it.
 925
 926 2019-05-22  Richard Biener  <rguenther@suse.de>
 927
 928         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 929         Add ABS_EXPR.
 930         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 931         as ABSU_EXPR.
 932
 933 2019-05-22  Alan Modra  <amodra@gmail.com>
 934
 935         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 936         (ASM_CPU_SPEC): Conditionally add -many.
 937         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 938         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 939         (rs6000_file_start): ..extracted from here, and modified to
 940         test all ISA bits.
 941         (rs6000_output_function_prologue): Emit .machine as necessary.
 942         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 943         power mnemonics.
 944         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 945         added by check_vect_support_and_set_flags.
 946         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 947         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 948
 949 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 950
 951         PR middle-end/90553
 952         * ira-lives.c (process_bb_node_lives): Consider defs
 953         for a call insn to be die before the call, not after.
 954
 955         * function.c (assign_parm_setup_block): Raise alignment of
 956         stacked parameter only for STRICT_ALIGNMENT targets.
 957
 958 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 959
 960         * config/rs6000/constraints.md (define_register_constraint "wz"):
 961         Delete.
 962         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 963         RS6000_CONSTRAINT_wz.
 964         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 965         (rs6000_init_hard_regno_mode_ok): Adjust.
 966         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 967         * doc/md.texi (Machine Constraints): Adjust.
 968
 969 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 970
 971         * config/rs6000/constraints.md (define_register_constraint "wl"):
 972         Delete.
 973         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 974         RS6000_CONSTRAINT_wl.
 975         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 976         (rs6000_init_hard_regno_mode_ok): Adjust.
 977         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 978         * doc/md.texi (Machine Constraints): Adjust.
 979
 980 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 981
 982         * config/rs6000/constraints.md (define_register_constraint "wm"):
 983         Delete.
 984         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 985         RS6000_CONSTRAINT_wm.
 986         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 987         (rs6000_init_hard_regno_mode_ok): Adjust.
 988         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 989         * doc/md.texi (Machine Constraints): Adjust.
 990
 991 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 992
 993         * config/rs6000/constraints.md (define_register_constraint "wk"):
 994         Delete.
 995         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 996         RS6000_CONSTRAINT_wk.
 997         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 998         (rs6000_init_hard_regno_mode_ok): Adjust.
 999         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1000         * doc/md.texi (Machine Constraints): Adjust.
1001
1002 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1003
1004         * config/rs6000/constraints.md (define_register_constraint "wj"):
1005         Delete.
1006         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1007         RS6000_CONSTRAINT_wj.
1008         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1009         (rs6000_init_hard_regno_mode_ok): Adjust.
1010         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1011         (VS_64dm): Delete.
1012         * config/rs6000/vsx.md: Ditto.
1013         * doc/md.texi (Machine Constraints): Adjust.
1014
1015 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1016
1017         * config/rs6000/constraints.md (define_register_constraint "wh"):
1018         Delete.
1019         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1020         RS6000_CONSTRAINT_wh.
1021         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1022         (rs6000_init_hard_regno_mode_ok): Adjust.
1023         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1024         * doc/md.texi (Machine Constraints): Adjust.
1025
1026 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1027
1028         PR target/90547
1029         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1030         Avoid calling gen_lowpart with CONST operand.
1031
1032 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1033
1034         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1035         field template_last_to_copy.
1036         (ssa_create_duplicates): Set it, and use it.  Attempt to
1037         preserve more debug stmts.
1038
1039 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1040
1041         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1042         (signbit<mode>2): New expander
1043
1044 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1045
1046         PR bootstrap/87338
1047         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1048         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1049
1050 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1051
1052         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1053         %ebx and %ecx bafore calling cpuid with leaf 1 or
1054         non-constant leaf argument.
1055
1056 2019-05-21  Alan Modra  <amodra@gmail.com>
1057
1058         PR target/90545
1059         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1060         power9 direct move cost.
1061         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1062         Correct comments and rename functions to suit parameters.
1063
1064 2019-05-21  Richard Biener  <rguenther@suse.de>
1065
1066         PR middle-end/90510
1067         * fold-const.c (fold_read_from_vector): New function.
1068         * fold-const.h (fold_read_from_vector): Declare.
1069         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1070         single-element insert permutations.  Canonicalize selector
1071         further and fix issue with last commit.
1072
1073 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1074
1075         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1076         parameter with default value false to declaration.
1077         (split_edges_for_insertion): New inline function.  Wrapper for
1078         split_critical_edges with for_edge_insertion_p = true.
1079         * tree-cfg.c (split_critical_edges): Don't split non-critical
1080         edges if for_edge_insertion_p is false.  Fix whitespace.
1081         * tree-ssa-pre.c (pass_pre::execute): Call
1082         split_edges_for_insertion instead of split_critical_edges.
1083         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1084         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1085         (pass_data_sink_code): Update function name in the comment.
1086
1087 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1088
1089         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1090         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1091         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1092         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1093         positives.
1094
1095 2019-05-21  Martin Liska  <mliska@suse.cz>
1096
1097         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1098         an extra newline.
1099         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1100         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1101         vec_lvsr.
1102         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1103         Quote a C type.
1104         (rs6000_function_arg): Likewise.
1105         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1106         (rs6000_expand_ternop_builtin): Use interval syntax.
1107         (get_element_number): Likewise.
1108         (altivec_expand_builtin): Likewise.
1109         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1110
1111 Fix test-suite.
1112
1113 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR c++/59813
1116         PR target/90418
1117         * function.h (struct function): Add calls_eh_return member.
1118         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1119         gimplifying __builtin_eh_return call.
1120         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1121         to cfun.
1122         (expand_call_inline): Or in src_cfun->calls_eh_return into
1123         dst_cfun->calls_eh_return.
1124         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1125         cfun->calls_eh_return.
1126         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1127         * lto-streamer-out.c (output_struct_function_base): Write
1128         calls_eh_return.
1129
1130 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1131
1132         PR rtl-optimization/43147
1133         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1134         IX86_BUILTIN_SHUFPD.
1135
1136 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1137
1138         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1139         (refs_may_alias_p_1): ... here; update stats.
1140         (refs_may_alias_p): Do not update stats here.
1141
1142 2019-05-20  Richard Biener  <rguenther@suse.de>
1143
1144         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1145         doesn't produce pointers.
1146         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1147         the first operand points to.
1148
1149 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1150
1151         * tree-ssa-alias.c (compare_sizes): New function.
1152         (sompare_type_sizes): New function
1153         (aliasing_component_refs_p): Use it.
1154         (indirect_ref_may_alias_decl_p): Likewise.
1155
1156 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1157
1158         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1159
1160 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1161
1162         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1163         (LIBLSAN_EARLY_SPEC): Likewise.
1164         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1165
1166 2019-05-20  Martin Liska  <mliska@suse.cz>
1167
1168         * config/i386/i386.c (ix86_libc_has_fast_function):
1169         Add ATTRIBUTE_UNUSED for the argument.
1170
1171 2019-05-20  Richard Biener  <rguenther@suse.de>
1172
1173         * gimple-match-head.c: Include vec-perm-indices.h.
1174         * generic-match-head.c: Likewise.
1175         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1176         is included.
1177         * fold-const.c (fold_vec_perm): Export.
1178         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1179         (match.pd): ...here.
1180
1181 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1182
1183         * cfgloop.h (struct loop): Add simdlen member.
1184         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1185         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1186         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1187         as new argument to autovectorize_vector_sizes target hook.  If
1188         loop->simdlen, pick up vector size where the vectorization factor
1189         is equal to loop->simd, and if there is none, fall back to the first
1190         successful one.
1191         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1192         caller.
1193         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1194         * omp-general.c (omp_max_vf): Likewise.
1195         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1196         * tree-vect-slp.c (vect_slp_bb): Likewise.
1197         * target.def (autovectorize_vector_sizes): Add ALL argument and
1198         document it.
1199         * doc/tm.texi: Adjust documentation.
1200         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1201         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1202         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1203         bool argument.
1204         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1205         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1206         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1207         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1208         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1209         preferred vector size is not 512-bit or 256-bit, just put those
1210         unpreferred ones last.
1211
1212 2019-05-20  Martin Liska  <mliska@suse.cz>
1213
1214         * targhooks.c (default_libc_has_fast_function): New function.
1215         * targhooks.h (default_libc_has_fast_function): Likewise.
1216
1217 2019-05-20  Martin Liska  <mliska@suse.cz>
1218
1219         PR middle-end/90263
1220         * builtins.c (expand_builtin_memory_copy_args): When having a
1221         target with fast mempcpy implementation do now use memcpy.
1222         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1223         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1224         * doc/tm.texi: Likewise.
1225         * doc/tm.texi.in: Likewise.
1226         * target.def:
1227         * expr.c (emit_block_move_hints): Add 2 new arguments.
1228         * expr.h (emit_block_move_hints): Bail out when libcall
1229         to memcpy would be used.
1230
1231 2019-05-20  Martin Liska  <mliska@suse.cz>
1232
1233         * profile-count.c: Add vertical spacing in order
1234         to separate functions.
1235         * profile-count.h: Likewise.
1236
1237 2019-05-20  Martin Liska  <mliska@suse.cz>
1238
1239         * profile-count.h: Do not use full qualified
1240         names if possible.
1241         * profile-count.c (profile_count::to_frequency): Likewise.
1242
1243 2019-05-20  Martin Liska  <mliska@suse.cz>
1244
1245         * profile-count.h (enum profile_quality): Use capital letters
1246         for enum value names.  Use the adjusted names.
1247         * profile-count.c: Use the adjusted names.
1248
1249 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1250
1251         * config/rs6000/constraints.md (define_register_constraint "wH"):
1252         Delete.
1253         (define_register_constraint "wI"): Delete.
1254         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1255         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1256         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1257         (rs6000_init_hard_regno_mode_ok): Adjust.
1258         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1259         resp. "d", or with "wa" as appropriate, all with "p8v".
1260         * config/rs6000/vsx.md: Ditto.
1261         * doc/md.texi (Machine Constraints): Adjust.
1262
1263 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1264
1265         * config/rs6000/constraints.md (define_register_constraint "wy"):
1266         Delete.
1267         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1268         RS6000_CONSTRAINT_wy.
1269         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1270         (rs6000_init_hard_regno_mode_ok): Adjust.
1271         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1272         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1273         (define_mode_attr Fisa): New.
1274         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1275         * doc/md.texi (Machine Constraints): Adjust.
1276
1277 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1278
1279         * config/rs6000/constraints.md (define_register_constraint "wu"):
1280         Delete.
1281         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1282         RS6000_CONSTRAINT_wu.
1283         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1284         (rs6000_init_hard_regno_mode_ok): Adjust.
1285         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1286         both with "p8v".
1287         (define_mode_attr Fa): Delete.
1288         * config/rs6000/vsx.md: Ditto.
1289         * doc/md.texi (Machine Constraints): Adjust.
1290
1291 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1292
1293         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1294         Delete.
1295         (define_register_constraint "wK"): Delete.
1296         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1297         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1298         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1299         (rs6000_init_hard_regno_mode_ok): Adjust.
1300         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1301         Replace "wK" constraint by "wH" with "p9v".
1302         * config/rs6000/vsx.md: Ditto.
1303         * doc/md.texi (Machine Constraints): Adjust.
1304
1305 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1306
1307         * config/rs6000/constraints.md (define_register_constraint "wb"):
1308         Delete.
1309         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1310         RS6000_CONSTRAINT_wb.
1311         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1312         (rs6000_init_hard_regno_mode_ok): Adjust.
1313         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1314         * config/rs6000/vsx.md: Ditto.
1315         * doc/md.texi (Machine Constraints): Adjust.
1316
1317 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1318
1319         * config/rs6000/constraints.md (define_register_constraint "wo"):
1320         Delete.
1321         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1322         RS6000_CONSTRAINT_wo.
1323         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1324         (rs6000_init_hard_regno_mode_ok): Adjust.
1325         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1326         * config/rs6000/altivec.md: Ditto.
1327         * doc/md.texi (Machine Constraints): Adjust.
1328
1329 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1330
1331         * config/darwin-c.c (darwin_register_objc_includes): Do not
1332         prepend the sysroot when building gnu-runtime header search
1333         paths.
1334
1335 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1336
1337         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1338         instead of direct output of the asm.
1339
1340 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1341
1342         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1343         argument to be type bool (was int before).
1344         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1345         at first use.  Use type bool for some variables.  Fix a theoretical
1346         eh_return bug for svr4.
1347
1348 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1349
1350         * config/rs6000/rs6000.md (isa): New attribute.
1351         (enabled): New attribute.
1352
1353 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1354
1355         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1356         assemble_start_function and assemble_end_function.
1357
1358 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1359
1360         PR middle-end/89433
1361         * omp-general.c (oacc_verify_routine_clauses): Change formal
1362         parameters.  Add checking if already marked with an OpenACC
1363         'routine' directive.  Adjust all users.
1364
1365         PR middle-end/89433
1366         * omp-general.c (oacc_build_routine_dims): Move some of its
1367         processing into...
1368         (oacc_verify_routine_clauses): ... this new function.
1369         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1370
1371 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1372
1373         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1374         formating of picbase labels to match other ports.
1375
1376 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1377
1378         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1379         in the generated code.
1380
1381 2019-05-16  Martin Sebor  <msebor@redhat.com>
1382
1383         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1384         identifiers, keywords, operators, and types in diagnostics.  Correct
1385         quoting, spelling, and sentence capitalization issues.
1386         (expand_builtin_atomic_is_lock_free): Same.
1387         (fold_builtin_next_arg): Same.
1388         * cfgexpand.c (expand_one_var): Same.
1389         (tree_conflicts_with_clobbers_p): Same.
1390         (expand_asm_stmt): Same.
1391         (verify_loop_structure): Same.
1392         * cgraphunit.c (process_function_and_variable_attributes): Same.
1393         * collect-utils.c (collect_execute): Same.
1394         * collect2.c (maybe_run_lto_and_relink): Same.
1395         (is_lto_object_file): Same.
1396         (scan_prog_file): Same.
1397         * convert.c (convert_to_real_1): Same.
1398         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1399         * except.c (verify_eh_tree): Same.
1400         * gcc.c (execute): Same.
1401         (eval_spec_function): Same.
1402         (run_attempt): Same.
1403         (driver::set_up_specs): Same.
1404         (compare_debug_auxbase_opt_spec_function): Same.
1405         * gcov-tool.c (unlink_gcda_file): Same.
1406         (do_merge): Same.
1407         (do_rewrite): Same.
1408         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1409         * gimplify.c (gimplify_asm_expr): Same.
1410         (gimplify_adjust_omp_clauses): Same.
1411         * hsa-gen.c (gen_hsa_addr_insns): Same.
1412         (gen_hsa_insns_for_load): Same.
1413         (gen_hsa_cmp_insn_from_gimple): Same.
1414         (gen_hsa_insns_for_operation_assignment): Same.
1415         (gen_get_level): Same.
1416         (gen_hsa_alloca): Same.
1417         (omp_simple_builtin::generate): Same.
1418         (gen_hsa_atomic_for_builtin): Same.
1419         (gen_hsa_insns_for_call): Same.
1420         * input.c (dump_location_info): Same.
1421         * ipa-devirt.c (compare_virtual_tables): Same.
1422         * ira.c (ira_setup_eliminable_regset): Same.
1423         * lra-assigns.c (lra_assign): Same.
1424         * lra-constraints.c (lra_constraints): Same.
1425         * lto-streamer-in.c (lto_input_mode_table): Same.
1426         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1427         (merge_and_complain): Same.
1428         (compile_offload_image): Same.
1429         (compile_images_for_offload_targets): Same.
1430         (debug_objcopy): Same.
1431         (run_gcc): Same.
1432         (main): Same.
1433         * opts.c (print_specific_help): Same.
1434         (parse_no_sanitize_attribute): Same.
1435         (print_help): Same.
1436         (handle_param): Same.
1437         * plugin.c (add_new_plugin): Same.
1438         (parse_plugin_arg_opt): Same.
1439         (try_init_one_plugin): Same.
1440         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1441         operators, and types in diagnostics.  Correct quoting and spelling
1442         issues.
1443         * read-rtl-function.c (parse_edge_flag_token): Same.
1444         (function_reader::parse_enum_value): Same.
1445         * reg-stack.c (check_asm_stack_operands): Same.
1446         * regcprop.c (validate_value_data): Same.
1447         * sched-rgn.c (make_pass_sched_fusion): Same.
1448         * stmt.c (check_unique_operand_names): Same.
1449         * targhooks.c (default_target_option_pragma_parse): Same.
1450         * tlink.c (recompile_files): Same.
1451         * toplev.c (process_options): Same.
1452         (do_compile): Same.
1453         * trans-mem.c (diagnose_tm_1): Same.
1454         (ipa_tm_scan_irr_block): Same.
1455         (ipa_tm_diagnose_transaction): Same.
1456         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1457         format a tree code name in a diagnostic.
1458         (verify_types_in_gimple_min_lval): Same.
1459         (verify_types_in_gimple_reference): Same.
1460         (verify_gimple_call): Same.
1461         (verify_gimple_assign_unary): Same.
1462         (verify_gimple_assign_binary): Same.
1463         (verify_gimple_assign_ternary): Same.
1464         (verify_gimple_assign_single): Same.
1465         (verify_gimple_switch): Same.
1466         (verify_gimple_label): Same.
1467         (verify_gimple_phi): Same.
1468         (verify_gimple_in_seq): Same.
1469         (verify_eh_throw_stmt_node): Same.
1470         (collect_subblocks): Same.
1471         (gimple_verify_flow_info): Same.
1472         (do_warn_unused_result): Same.
1473         * tree-inline.c (expand_call_inline): Same.
1474         * tree-into-ssa.c (update_ssa): Same.
1475         * tree.c (tree_int_cst_elt_check_failed): Same.
1476         (tree_vec_elt_check_failed): Same.
1477         (omp_clause_operand_check_failed): Same.
1478         (verify_type_variant): Same.
1479         (verify_type): Same.
1480         * value-prof.c (verify_histograms): Same.
1481         * varasm.c (assemble_start_function): Same.
1482
1483 2019-05-16  Martin Sebor  <msebor@redhat.com>
1484
1485         * config/i386/i386-expand.c (get_element_number): Quote keywords
1486         and other internal names in diagnostics.  Adjust other diagnostic
1487         formatting issues noted by -Wformat-diag.
1488         * config/i386/i386-features.c
1489         (ix86_mangle_function_version_assembler_name): Same.
1490         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1491         * config/i386/i386.c (ix86_function_type_abi): Same.
1492         (ix86_function_ms_hook_prologue): Same.
1493         (classify_argument): Same.
1494         (ix86_expand_prologue): Same.
1495         (ix86_md_asm_adjust): Same.
1496         (ix86_memmodel_check): Same.
1497
1498 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1499
1500         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1501         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1502         and fpxx modes.
1503
1504 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1505
1506         PR target/90497
1507         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1508         intrinsics without SSE/SSE2/SSSE3.
1509         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1510         check.
1511         (*mmx_uavgv8qi3): Likewise.
1512
1513 2019-05-17  Richard Biener  <rguenther@suse.de>
1514
1515         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1516         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1517
1518 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1519
1520         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1521         vec_sldw insn pattern.
1522
1523 2019-05-17  Richard Biener  <rguenther@suse.de>
1524
1525         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1526
1527 2019-05-17  Martin Liska  <mliska@suse.cz>
1528
1529         PR driver/90496
1530         * toplev.c (output_stack_usage): With LTO and sanitizer it
1531         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1532         has no file location.
1533
1534 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1535
1536         PR c++/90484
1537         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1538         sz0 is equal to sz1, instead return false in that case.
1539
1540         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1541         has non-constant expression, force sctx.lane and use two
1542         argument IFN_GOMP_SIMD_LANE instead of single argument.
1543         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1544         two argument IFN_GOMP_SIMD_LANE without lhs.
1545         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1546         member.
1547         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1548         Define.
1549         (LOOP_REQUIRES_VERSIONING): Or in
1550         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1551         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1552         simd_if_cond.
1553         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1554         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1555         from simd if clause if needed.
1556
1557 2019-05-16  Richard Biener  <rguenther@suse.de>
1558
1559         * tree-affine.c (expr_to_aff_combination): New function split
1560         out from...
1561         (tree_to_aff_combination): ... here.
1562         (aff_combination_expand): Avoid building a GENERIC tree.
1563
1564 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1565
1566         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1567         assemble_start_function and assemble_end_function calls.
1568         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1569         assemble_start_function and assemble_end_function.
1570         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1571         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1572         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1573         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1574         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1575         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1576         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1577         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1578         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1579         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1580         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1581         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1582         Likewise.
1583         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1584         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1585         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1586         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1587         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1588         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1589         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1590         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1591         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1592         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1593         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1594         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1595         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1596         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1597         Likewise.
1598         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1599         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1600         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1601
1602 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1603
1604         * tree-ssa-alias.c (alias_stats): Add
1605         aliasing_component_refs_p_may_alias and
1606         aliasing_component_refs_p_no_alias.
1607         (dump_alias_stats): Print aliasing_component_refs_p stats.
1608         (aliasing_component_refs_p): Update stats.
1609
1610 2019-05-16  Martin Liska  <mliska@suse.cz>
1611
1612         PR lto/90500
1613         * multiple_target.c (expand_target_clones): Do not allow
1614         target_clones being used with a symbol that is an alias.
1615
1616 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1617
1618         PR tree-optimization/90394
1619         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1620         positives rather than ICE for cases where (code2 == NE_EXPR
1621         && code1 == BIT_AND_EXPR).
1622
1623 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1624
1625         PR fortran/90329
1626         * tree-core.h (struct tree_decl_common): Document
1627         decl_nonshareable_flag for PARM_DECLs.
1628         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1629         * calls.c (expand_call): Don't try tail call if caller
1630         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1631         passed on the stack and callee needs to pass any arguments on the
1632         stack.
1633         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1634         else if instead of series of mutually exclusive ifs.  Handle
1635         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1636         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1637
1638         * lto-streamer.h (LTO_major_version): Bump to 9.
1639
1640 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1641
1642         PR tree-optimization/90106
1643         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1644         new parameter as new internal function call, also move it to new
1645         basic block.
1646         (use_internal_fn): Pass internal function call to
1647         shrink_wrap_one_built_in_call_with_conds.
1648
1649 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1650
1651         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1652         max_vf to 1.
1653         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1654         safelen_int and set loop->dont_vectorize.
1655
1656 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1657
1658         PR target/89021
1659         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1660         SSE/SSE2/SSSE3.
1661         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1662         Likewise.
1663         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1664         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1665         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1666         is defined.
1667
1668 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1669
1670         PR target/89021
1671         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1672         define_insn_and_split to support SSE emulation.
1673         (*vec_extractv2sf_0): Likewise.
1674         (*vec_extractv2sf_1): Likewise.
1675         (*vec_extractv2si_0): Likewise.
1676         (*vec_extractv2si_1): Likewise.
1677         (*vec_extractv2si_zext_mem): Likewise.
1678         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1679         (vec_extractv2sf_1 splitter): Likewise.
1680         (vec_extractv2sfsf): Likewise.
1681         (vec_setv2si): Likewise.
1682         (vec_extractv2si_1 splitter): Likewise.
1683         (vec_extractv2sisi): Likewise.
1684         (vec_setv4hi): Likewise.
1685         (vec_extractv4hihi): Likewise.
1686         (vec_setv8qi): Likewise.
1687         (vec_extractv8qiqi): Likewise.
1688         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1689         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1690         (vec_extractv2sisi): Likewise.
1691         (vec_extractv4hihi): Likewise.
1692         (vec_extractv8qiqi): Likewise.
1693         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1694         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1695         (vec_initv2sisi): Likewise.
1696         (vec_initv4hihi): Likewise.
1697         (vec_initv8qiqi): Likewise.
1698         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1699         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1700         (vec_setv4hi): Likewise.
1701         (vec_setv8qi): Likewise.
1702
1703 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1704
1705         PR target/89021
1706         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1707         TARGET_MMX_WITH_SSE.
1708         (MMXMODE:*mov<mode>_internal): Likewise.
1709         (MMXMODE:movmisalign<mode>): Likewise.
1710
1711 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1712
1713         PR target/89021
1714         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1715         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1716         (sse2_cvtpd2pi): Ditto.
1717         (sse2_cvttpd2pi): Ditto.
1718         (*vec_concatv2sf_sse4_1): Ditto.
1719         (*vec_concatv2sf_sse): Ditto.
1720         (*vec_concatv2si_sse4_1): Ditto.
1721         (*vec_concatv2si): Ditto.
1722         (*vec_concatv4si_0): Ditto.
1723         (*vec_concatv2di_0): Ditto.
1724
1725 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1726
1727         PR target/89021
1728         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1729
1730 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1731
1732         PR target/89021
1733         * config/i386/sse.md (ssse3_palignrdi): Changed to
1734         define_insn_and_split to support SSE emulation.
1735
1736 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1737
1738         PR target/89021
1739         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1740
1741 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1742
1743         PR target/89021
1744         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1745         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1746         SSE emulation.
1747
1748 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1749
1750         PR target/89021
1751         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1752         or TARGET_MMX_WITH_SSE.
1753         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1754
1755 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1756
1757         PR target/89021
1758         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1759
1760 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1761
1762         PR target/89021
1763         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1764         Changed to define_insn_and_split to support SSE emulation.
1765
1766 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1767
1768         PR target/89021
1769         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1770         Changed to define_insn_and_split to support SSE emulation.
1771
1772 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1773
1774         PR target/89021
1775         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1776         (*mmx_<emms>): This.
1777         (mmx_<emms>): New expander.
1778
1779 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1780
1781         PR target/89021
1782         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1783         support.
1784         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1785
1786 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1787
1788         PR target/89021
1789         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1790
1791 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1792
1793         PR target/89021
1794         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1795
1796 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1797
1798         PR target/89021
1799         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1800         TARGET_MMX_WITH_SSE.
1801         (*mmx_uavgv4hi3): Add SSE emulation.
1802
1803 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1804
1805         PR target/89021
1806         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1807         and TARGET_MMX_WITH_SSE.
1808         (*mmx_uavgv8qi3): Add SSE emulation.
1809
1810 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1811
1812         PR target/89021
1813         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1814         maskmovdqu for __MMX_WITH_SSE__.
1815
1816 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1817
1818         PR target/89021
1819         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1820         TARGET_MMX and TARGET_MMX_WITH_SSE.
1821         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1822
1823 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1824
1825         PR target/89021
1826         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1827         define_insn_and_split to support SSE emulation.
1828
1829 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1830
1831         PR target/89021
1832         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1833         and TARGET_MMX_WITH_SSE.
1834         (mmx_<code>v8qi3): Likewise.
1835         (smaxmin:<code>v4hi3): New.
1836         (umaxmin:<code>v8qi3): Likewise.
1837         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1838         (umaxmin:*mmx_<code>v8qi3): Likewise.
1839
1840 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1841
1842         PR target/89021
1843         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1844         TARGET_MMX_WITH_SSE.
1845         (*mmx_pinsrw): Add SSE emulation.
1846
1847 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1848
1849         PR target/89021
1850         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1851
1852 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1853
1854         PR target/89021
1855         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1856         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1857         SSE emulation.
1858
1859 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         PR target/89021
1862         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1863         (sse_cvttps2pi): Likewise.
1864
1865 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1866
1867         PR target/89021
1868         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1869         TARGET_MMX_WITH_SSE.
1870         (mmx_pshufw_1): Add SSE emulation.
1871         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1872         TARGET_MMX_WITH_SSE to support SSE emulation.
1873
1874 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1875
1876         PR target/89021
1877         * config/i386/constraints.md (Yw): New constraint.
1878         * config/i386/mmx.md (*vec_dupv2si): Changed to
1879         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1880         support SSE emulation.
1881
1882 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1883
1884         PR target/89021
1885         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1886         TARGET_MMX_WITH_SSE.
1887         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1888         support.
1889         (mmx_gt<mode>3): Likewise.
1890
1891 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1892
1893         PR target/89021
1894         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1895         TARGET_MMX_WITH_SSE.  Add SSE support.
1896
1897 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1898
1899         PR target/89021
1900         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1901         TARGET_MMX_WITH_SSE.
1902         (any_logic:<code><mode>3): New.
1903         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1904         Add SSE support.
1905
1906 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1907
1908         PR target/89021
1909         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1910         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1911         (mmx_<shift_insn><mode>3): Likewise.
1912         (ashr<mode>3): New.
1913         (<shift_insn><mode>3): Likewise.
1914
1915 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1916
1917         PR target/89021
1918         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1919         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1920
1921 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1922
1923         PR target/89021
1924         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1925         TARGET_MMX_WITH_SSE.
1926         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1927         SSE support.
1928
1929 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1930
1931         PR target/89021
1932         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1933         TARGET_MMX_WITH_SSE.
1934         (mulv4hi3): New.
1935         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1936         support.
1937
1938 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1939
1940         PR target/89021
1941         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1942         (plusminus:mmx_<plusminus_insn><mode>3): Check
1943         TARGET_MMX_WITH_SSE.
1944         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1945         (<plusminus_insn><mode>3): New.
1946         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1947         (*mmx_<plusminus_insn><mode>3): Likewise.
1948
1949 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1950
1951         PR target/89021
1952         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1953         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1954         prototype.
1955         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1956         define_insn_and_split to support SSE emulation.
1957         (mmx_punpcklbw): Likewise.
1958         (mmx_punpckhwd): Likewise.
1959         (mmx_punpcklwd): Likewise.
1960         (mmx_punpckhdq): Likewise.
1961         (mmx_punpckldq): Likewise.
1962
1963 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1964             Uros Bizjak  <ubizjak@gmail.com>
1965
1966         PR target/89021
1967         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1968         New function.
1969         (ix86_split_mmx_pack): Likewise.
1970         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1971         New prototype.
1972         (ix86_split_mmx_pack): Likewise.
1973         * config/i386/i386.md (mmx_isa): New.
1974         (enabled): Also check mmx_isa.
1975         * config/i386/mmx.md (any_s_truncate): New code iterator.
1976         (s_trunsuffix): New code attr.
1977         (mmx_packsswb): Removed.
1978         (mmx_packssdw): Likewise.
1979         (mmx_packuswb): Likewise.
1980         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1981         MMX packsswb/packuswb with SSE2.
1982         (mmx_packssdw): Likewise.
1983         * config/i386/predicates.md (register_mmxmem_operand): New.
1984
1985 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1986
1987         PR target/89021
1988         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1989         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1990         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1991         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1992         (ix86_vector_mode_supported_p): Likewise.
1993         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1994
1995 2019-05-15  Martin Liska  <mliska@suse.cz>
1996
1997         PR middle-end/90478
1998         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1999         Check for overflow.
2000
2001 2019-05-15  Richard Biener  <rguenther@suse.de>
2002
2003         * tree-into-ssa.c (pass_build_ssa::execute): Run
2004         update_address_taken before going into SSA.
2005
2006 2019-05-15  Richard Biener  <rguenther@suse.de>
2007
2008         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2009         as __BIT_FIELD_REF with type with -gimple.
2010
2011 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2012
2013         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2014         semantically equivalent branches (left over after prior refactorings).
2015
2016 2019-05-15  Richard Biener  <rguenther@suse.de>
2017
2018         PR tree-optimization/88828
2019         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2020         bogus check.
2021
2022 2019-05-14  Richard Biener  <rguenther@suse.de>
2023
2024         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2025         as __VIEW_CONVERT with -gimple.
2026
2027 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2028
2029         PR target/82920
2030         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2031         Darwin.
2032
2033 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2034
2035         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2036         define_split to become a define_insn_and_split.
2037
2038 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2039
2040         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2041         arguments.
2042         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2043         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2044         (sibcall_epilogue): Adjust.
2045         (epilogue): Adjust.
2046
2047 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2048
2049         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2050         to unsupported ones.
2051         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2052         * config.host: Likewise.
2053         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2054         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2055         __svr4__]: Remove "brand" fallback.
2056         [!KSTAT_DATA_STRING]: Remove.
2057         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2058         to *-*-solaris2*.
2059         (comdat_group): Likewise.
2060         (set_have_as_tls): Likewise.
2061         (gcc_cv_target_dl_iterate_phdr): Likewise.
2062         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2063         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2064         * configure: Regenerate.
2065         * doc/install.texi: Simplify Solaris target triplets.
2066         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2067         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2068         Remove Solaris 10 references.
2069         Remove obsolete Solaris bug reference.
2070         (Specific, sparc-sun-solaris2.10): Remove.
2071
2072 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2073
2074         * config/i386/i386.md (any_div): New code iterator.
2075         (paired_mod): New code attribute.
2076         (sgnprefix): Handle DIV and UDIV RTXes.
2077         (u): Ditto.
2078         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2079         and udivmod<mode>4 patterns using any_div code iterator.
2080         (divmod splitters): Macroize splitters using any_div code iterator.
2081         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2082         (*udivmodsi4_pow2_zext_2): Ditto.
2083         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2084         and *udivmod<mode>4_noext patterns using any_div code iterator.
2085         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2086         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2087         patterns using any_div code iterator.
2088         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2089         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2090         patterns using any_div code iterator.
2091         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2092         udivmodhiqi3 patterns using any_extend code iterator.
2093
2094 2019-05-14  Richard Biener  <rguenther@suse.de>
2095             H.J. Lu  <hongjiu.lu@intel.com>
2096
2097         PR tree-optimization/88828
2098         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2099         permuting in a single non-constant element not extracted
2100         from a vector.
2101
2102 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2103
2104         * internal-fn.def (SIGNBIT): New.
2105         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2106         defined.
2107         (signbitv4sf2): Likewise.
2108
2109 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2110
2111         PR target/90357
2112         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2113         next insn when the SRC reg is dead.
2114
2115 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2116
2117         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2118         (alloc_cand_and_find_basis): Ditto.
2119         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2120         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2121         (create_add_imm_cand, slsr_process_cast): Ditto.
2122         (slsr_process_copy, replace_mult_candidate): Ditto.
2123         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2124         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2125         (pass_strength_reduction::execute): Init the first NULL element.
2126
2127 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2128
2129         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2130         (run_attempt): Reformat line break.
2131
2132 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2133
2134         PR target/90418
2135         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2136         data registers in sibcall epilogues.
2137         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2138
2139 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2140
2141         PR target/89221
2142         * configure.ac (--enable-frame-pointer):
2143         Disable by default for cygwin and mingw.
2144         * configure: Regenerate.
2145
2146 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2147
2148         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2149         piece of code.
2150         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2151         (gen_member_die): Move abstract origin check earlier.  Only VARs
2152         can be static_inline_p.  Simplify splicing control flow.
2153
2154 2019-05-13  Richard Biener  <rguenther@suse.de>
2155
2156         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2157         VIEW_CONVERT_EXPR.
2158         (vect_build_slp_tree_1): Likewise.
2159
2160 2019-05-13  Richard Biener  <rguenther@suse.de>
2161
2162         PR tree-optimization/90402
2163         * tree-if-conv.c (tree_if_conversion): Value number only
2164         the loop body by making the latch an exit of the region
2165         as well.
2166         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2167         processing PHIs.
2168         (do_rpo_vn): Deal with multiple edges into the entry block
2169         that are not backedges inside the region by skipping PHIs
2170         of the entry block.
2171
2172 2019-05-13  Richard Biener  <rguenther@suse.de>
2173
2174         PR tree-optimization/90316
2175         * tree-ssa-pre.c (insert_aux): Fold into ...
2176         (insert): ... this function.  Use a RPO walk to reduce the
2177         number of required iterations.
2178
2179 2019-05-13  Martin Liska  <mliska@suse.cz>
2180
2181         PR tree-optimization/90416
2182         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2183         string instead of passing the second part as va_arg argument.
2184
2185 2019-05-13  Martin Liska  <mliska@suse.cz>
2186
2187         PR gcov-profile/90380
2188         * gcov.c (handle_cycle): Do not support zero cycle count,
2189         it should not be possible.
2190         (path_contains_zero_cycle_arc): New function.
2191         (circuit): Ignore zero cycle arc counts.
2192
2193 2019-05-13  Martin Liska  <mliska@suse.cz>
2194
2195         PR gcov-profile/90380
2196         * gcov.c (enum loop_type): Remove the enum and
2197         the operator.
2198         (handle_cycle): Assert that we should not reach
2199         a negative count.
2200         (circuit): Use loop_found instead of a tri-state loop_type.
2201         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2202         happen.
2203
2204 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2205
2206         PR target/82920
2207         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2208         (ix86_output_indirect_branch_via_reg): Use output mechanism
2209         accounting for __USER_LABEL_PREFIX__.
2210         (ix86_output_indirect_branch_via_push): Likewise.
2211         (ix86_output_function_return): Likewise.
2212         (ix86_output_indirect_function_return): Likewise.
2213
2214 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2215
2216         * doc/md.texi: Document use of code attributes in rtx patterns.
2217         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2218         * read-rtl.c (find_code): Split out search loops into...
2219         (maybe_find_code): ...this new function.
2220         (check_code_iterator): Make the error message more informative.
2221         (check_code_attribute): New function.
2222         (rtx_reader::rtx_alloc_for_name): Likewise.
2223         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2224         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2225         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2226         <max_opp> directly as an rtx code instead of via a match_operator.
2227         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2228         (<su>abd<mode>_3): Update accordingly.
2229
2230 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2231
2232         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2233         is given, print the state of the EH "save world" computation for
2234         Darwin.
2235
2236 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2237
2238         PR c++/59813
2239         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2240         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2241
2242 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2243
2244         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2245         Use pinsrd for TARGET_SSE4_1.
2246         * config/i386/sse.md (movdi_to_sse): Ditto.
2247
2248 2019-05-10  Richard Biener  <rguenther@suse.de>
2249
2250         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2251         (do_rpo_vn): Initialize next_value_id.
2252
2253 2019-05-10  Martin Liska  <mliska@suse.cz>
2254
2255         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2256         Fix plural form.
2257
2258 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2259
2260         PR tree-optimization/90385
2261         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2262         arguments of the exit phis.
2263
2264         PR c++/90383
2265         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2266         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2267         id->do_not_fold.
2268         (copy_tree_body_r): Likewise.
2269         (copy_fn): Set id.do_not_fold to true.
2270
2271 2019-05-10  Martin Liska  <mliska@suse.cz>
2272
2273         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2274         Reapply changes from r269790.
2275
2276 2019-05-10  Martin Liska  <mliska@suse.cz>
2277
2278         PR middle-end/90340
2279         * doc/invoke.texi: New params.
2280         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2281         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2282         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2283         Use it.
2284         * tree-switch-conversion.h (struct jump_table_cluster):
2285         Likewise.
2286
2287 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2288
2289         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2290
2291 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2292
2293         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2294
2295 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2296
2297         PR rtl-optimization/88879
2298         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2299
2300 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2301
2302         PR target/90405
2303         * config/arm/arm.c (callee_saved_reg_p): Move before
2304         thumb_find_work_register.
2305         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2306         thumb_find_work_register.  Only call df_get_live_out once.
2307         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2308         (thumb_find_work_register): Use
2309         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2310         algorithms to locate a spare call clobbered reg.
2311
2312 2019-05-09  Martin Liska  <mliska@suse.cz>
2313
2314         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2315         and MAX_EXPR in GIMPLE FE format.
2316
2317 2019-05-09  Martin Liska  <mliska@suse.cz>
2318
2319         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2320         * gimple-pretty-print.c (dump_gimple_bb_header):
2321         Dump BB count.
2322         (pp_cfg_jump): Dump edge probability.
2323         * profile-count.c (profile_quality_as_string): Simplify
2324         with a static array.
2325         (parse_profile_quality): New function.
2326         (profile_count::dump): Simplify with a static array.
2327         (profile_count::from_gcov_type): Add new argument.
2328         * profile-count.h (parse_profile_quality): Likewise.
2329         * predict.h (set_hot_bb_threshold): New.
2330         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2331         New param.
2332         * predict.c (get_hot_bb_threshold): Set from the new param.
2333         (set_hot_bb_threshold): New.
2334
2335 2019-05-09  Richard Biener  <rguenther@suse.de>
2336
2337         PR tree-optimization/90395
2338         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2339         rewrite vector stores that throw internally.
2340
2341 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2342
2343         * cif-code.def (CHKP): Remove.
2344
2345         PR target/89221
2346         * configure.ac (--enable-frame-pointer): Disable by default for
2347         GNU systems.
2348         * configure: Regenerate.
2349
2350 2019-05-09  Alan Modra  <amodra@gmail.com>
2351
2352         PR target/89271
2353         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2354         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2355         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2356         cost for general <-> vsx when direct moves are available.
2357         Cost union classes at minimal cost for any reg in the class.
2358         Correct calculation for moves between vsx, float, and altivec.
2359         Don't return a low cost for moves between special regs.  Don't
2360         use hard coded register numbers.
2361         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2362         (rs6000_ira_change_pseudo_allocno_class): New function.
2363         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2364         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2365         alternatives.
2366         (movsi_internal1): Don't disparage vector alternatives.
2367         (mov<mode>_internal): Likewise, excepting alternative that
2368         will be split.
2369         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2370         we <- b alternative.
2371
2372 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2373
2374         PR c++/59813
2375         PR tree-optimization/89060
2376         * tree-ssa-live.h (live_vars_map): New typedef.
2377         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2378         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2379         (struct compute_live_vars_data): New type.
2380         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2381         live_vars_at_stmt, destroy_live_vars): New functions.
2382         * tree-tailcall.c: Include tree-ssa-live.h.
2383         (live_vars, live_vars_vec): New global variables.
2384         (find_tail_calls): Perform variable life analysis before punting.
2385         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2386         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2387         member.
2388         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2389         Perform variable life analysis to select variables that really need
2390         clobbers added.
2391         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2392         instead set id->eh_landing_pad_dest and assert it is the same.
2393         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2394
2395 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2396             Richard Earnshaw  <rearnsha@arm.com>
2397
2398         PR target/88167
2399         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2400         function.
2401         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2402         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2403         register if both the epilogue and prologue can use call-clobbered
2404         regs.
2405         (thumb1_unexpanded_epilogue): Use
2406         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2407         picking temporaries for restoring high regs to match that of the
2408         prologue where possible.
2409         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2410         the list of work registers.  Detect if the return address is still live
2411         at the end of the prologue and avoid using it for a work register if so.
2412         If the return address is not live, add LR to the list of pushable regs
2413         after the first pass.
2414
2415 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2416
2417         PR tree-optimization/90078
2418         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2419         (INFTY): Increase the value for infinite cost.
2420         (struct comp_cost): Promote type of members to int64_t.
2421         (infinite_cost): Don't set complexity in initialization.
2422         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2423         overflows to infinite_cost.
2424         (adjust_setup_cost): Promote type of parameter and cost computation
2425         to int64_t.
2426         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2427         int64_t.
2428         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2429         cost computation to int64_t.
2430         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2431         int64_t's format specifier in dump.
2432
2433 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2434
2435         PR tree-optimization/90240
2436         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2437         with respect to scaling factor pre-computed for each basic block.
2438         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2439         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2440         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2441         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2442         live range for array of loop's basic blocks.  Cleanup aux field of
2443         loop's basic blocks.
2444
2445 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2446
2447         PR tree-optimization/90356
2448         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2449
2450 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2451
2452         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2453         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2454         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2455         (ix86_handle_option): Handle -mavx512bf16.
2456         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2457         to extra_headers.
2458         * config/i386/avx512bf16vlintrin.h: New.
2459         * config/i386/avx512bf16intrin.h: New.
2460         * config/i386/cpuid.h (bit_AVX512BF16): New.
2461         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2462         * config/i386/i386-builtin-types.def: Add new types.
2463         * config/i386/i386-builtin.def: Add new builtins.
2464         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2465         __AVX512BF16__.
2466         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2467         (ix86_option_override_internal): Handle BF16.
2468         (ix86_valid_target_attribute_inner_p): Ditto.
2469         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2470         * config/i386/i386-builtin.c (enum processor_features): Add
2471         F_AVX512BF16.
2472         (static const _isa_names_table isa_names_table): Ditto.
2473         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2474         (PTA_AVX512BF16): Ditto.
2475         * config/i386/i386.opt: Add -mavx512bf16.
2476         * config/i386/immintrin.h: Include avx512bf16intrin.h
2477         and avx512bf16vlintrin.h.
2478         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2479         avx512f_cvtneps2bf16_<mode><mask_name>,
2480         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2481         * config/i386/subst.md (mask_half): Add new subst.
2482         * doc/invoke.texi: Document -mavx512bf16.
2483
2484 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2485
2486         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2487         Delete declaration.
2488         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2489         (rs6000_debug_legitimize_reload_address): Delete.
2490         (rs6000_legitimize_reload_address_ptr): Delete.
2491         (rs6000_option_override_internal): Adjust.
2492         (mem_operand_gpr): Adjust comment.
2493         (legitimate_lo_sum_address_p): Ditto.
2494         (rs6000_legitimize_reload_address): Delete.
2495         (rs6000_debug_legitimize_reload_address): Delete.
2496         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2497
2498 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2499
2500         PR target/89765
2501         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2502         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2503         to compute vector element selector for both constant and variable
2504         operands.
2505
2506 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2507
2508         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2509         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2510         ashrdi3_cvt using SWI48 mode iterator.
2511
2512 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2513
2514         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2515         (aarch64_<su>abd<mode>_3): Likewise.
2516         (*aarch64_<su>abd<mode>_3): New define_insn.
2517         (<sur>sad<vsi2qi>): New define_expand.
2518         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2519         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2520         (build_vect_cond_expr): Likewise.
2521
2522 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2523
2524         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2525         clobbers outside of accessible_reg_set.
2526         * config/i386/i386.c (ix86_conditional_register_usage):
2527         Disable register sets by clearing corresponding bits in
2528         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2529         call_used_regs and don't clear corresponding reg_names array members.
2530
2531 2019-05-07  Richard Biener  <rguenther@suse.de>
2532
2533         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2534         not specified still compute a comp_vectype for invariant
2535         compares.
2536
2537 2019-05-07  Richard Biener  <rguenther@suse.de>
2538
2539         PR tree-optimization/90316
2540         * tree-ssa-pre.c (translate_vuse_through_block): When
2541         same_valid is NULL do not bother to search for a virtual
2542         PHI continuation.
2543         (phi_translate_1): When operands changed we cannot keep
2544         the same value-number so do not bother to ask whether
2545         that's possible from translate_vuse_through_block.
2546
2547 2019-05-07  Martin Liska  <mliska@suse.cz>
2548
2549         * bitmap.c (bitmap_register): Come up with
2550         alloc_descriptor_max_uid and assign it for
2551         a new bitmap.
2552         (register_overhead): Use get_descriptor as
2553         a descriptor.
2554         (release_overhead): New.
2555         (bitmap_elem_to_freelist): Call it.
2556         (bitmap_elt_clear_from): Likewise.
2557         (bitmap_obstack_free): Likewise.
2558         (bitmap_move): Sensitively release memory.
2559         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2560         (bitmap_initialize): Initialize alloc_descriptor to zero.
2561         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2562
2563 2019-05-07  Richard Biener  <rguenther@suse.de>
2564
2565         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2566         we build a SLP node.  Remove max_size and limiting.
2567         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2568
2569 2019-05-07  Richard Biener  <rguenther@suse.de>
2570
2571         PR tree-optimization/90316
2572         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2573         limit by reference.
2574         (walk_non_aliased_vuses): Take walking limit argument.
2575         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2576         walking if it is reached instead of just counting.
2577         (get_continuation_for_phi): Likewise.
2578         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2579         limiting to the callback.
2580         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2581         (vn_reference_lookup_3): Likewise.
2582         (vn_reference_lookup_pieces): Likewise.
2583         (vn_reference_lookup): Likewise.
2584         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2585         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2586         (avail_exprs_stack::lookup_avail_expr): Likewise.
2587
2588 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2589
2590         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2591         for comparaible types in the second direction even if first one
2592         hits incomparable type.
2593
2594 2019-05-07  Richard Biener  <rguenther@suse.de>
2595
2596         PR lto/90369
2597         * lto-wrapper.c (debug_objcopy): Use the original filename
2598         including archive offset for the filename used for -save-temps.
2599
2600 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2601
2602         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2603         detection.
2604
2605 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2606             Hongtao Liu  <hongtao.liu@intel.com>
2607
2608         PR target/89750
2609         PR target/86444
2610         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
2611         Modified, original implementation isn't correct.
2612
2613 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2614
2615         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2616         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2617         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2618         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2619         (FRAME_POINTER_REGNUM): Change numbering.
2620         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2621         (alt_reg_names): Adjust.
2622         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2623         fixed.
2624         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2625         (DWARF_FRAME_REGISTERS): Delete.
2626         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2627         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2628         Adjust.
2629         (REG_ALLOC_ORDER): Adjust.
2630         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2631         (REG_CLASS_CONTENTS): Adjust.
2632         (RETURN_ADDR_RTX): Change comment.
2633         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2634         instead of 67.
2635         (REGISTER_NAMES): Adjust.
2636         (ADDITIONAL_REGISTER_NAMES): Adjust.
2637         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2638
2639 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2640
2641         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2642         Delete.
2643         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2644         (DWARF_FRAME_REGISTERS): Adjust.
2645         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2646         Adjust.
2647         (REG_ALLOC_ORDER): Adjust.
2648         (enum reg_class): Delete SPR_REGS.
2649         (REG_CLASS_NAMES): Delete SPR_REGS.
2650         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2651         (REGISTER_NAMES): Adjust.
2652         (ADDITIONAL_REGISTER_NAMES): Adjust.
2653         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2654         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2655         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2656         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2657         (htm_spr_regno): Delete.
2658         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2659         argument.
2660         (rs6000_dbx_register_number): Adjust.
2661
2662 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2663
2664         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2665
2666 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2667
2668         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2669         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2670
2671 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR tree-optimization/88709
2674         PR tree-optimization/90271
2675         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2676         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2677         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2678         variable.
2679         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2680         of the store merging group is larger than
2681         PARAM_STORE_MERGING_MAX_SIZE parameter.
2682         (split_group): Add bzero_first argument.  If set, always emit first
2683         the first store which must be = {} of the whole area and then for the
2684         rest of the stores consider all zero bytes as paddings.
2685         (imm_store_chain_info::output_merged_store): Check if first store
2686         is = {} of the whole area and if yes, determine which setting of
2687         bzero_first for split_group gives smaller number of stores.  Adjust
2688         split_group callers.
2689         (lhs_valid_for_store_merging_p): Allow decls.
2690         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2691         no elts.
2692         (pass_store_merging::process_store): Likewise.
2693
2694 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2695
2696         PR target/89424
2697         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2698         handling of V1TImode.
2699
2700 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2701
2702         PR target/89221
2703         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2704         and enable_frame_pointer ...
2705         * configure.ac: ... here.  Update help strings for
2706         --enable-frame-pointer.
2707         * configure: Regenerate.
2708         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2709         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2710         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2711         (USE_X86_64_FRAME_POINTER): Ditto.
2712
2713 2019-05-06  Martin Liska  <mliska@suse.cz>
2714
2715         * config.gcc: Append to target_gtfiles and fix indentation.
2716
2717 2019-05-06  Richard Biener  <rguenther@suse.de>
2718
2719         PR tree-optimization/90358
2720         * tree-vect-stmts.c (get_group_load_store_type): Properly
2721         detect unused upper half of load.
2722         (vectorizable_load): Likewise.
2723
2724 2019-05-06  Richard Biener  <rguenther@suse.de>
2725
2726         PR tree-optimization/88828
2727         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2728         (simplify_vector_constructor): ...here.  Handle constants in
2729         the constructor.
2730
2731 2019-05-06  Richard Biener  <rguenther@suse.de>
2732
2733         PR tree-optimization/90328
2734         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2735         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2736         is valid in the loop nest before using it.
2737         (initialize_data_dependence_relation): Adjust.
2738         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2739         loop as loop-nest to dr_may_alias_p.
2740
2741 2019-05-06  Richard Biener  <rguenther@suse.de>
2742
2743         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2744
2745 2019-05-06  Richard Biener  <rguenther@suse.de>
2746
2747         PR tree-optimization/90316
2748         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2749         compute target on demand.
2750         (get_continuation_for_phi): Remove code walking stmts to
2751         get to a target virtual operand which could end up being
2752         quadratic.
2753
2754 2019-05-06  Martin Liska  <mliska@suse.cz>
2755
2756         PR sanitizer/90312
2757         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2758         when -mabi is selected to a non-default version.
2759
2760 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2761             Martin Liska  <mliska@suse.cz>
2762
2763         * Makefile.in: Add lto-dump.texi.
2764         * cgraph.h: Add new functions get_visibility_string and
2765         get_symtab_type_string.
2766         * doc/gcc.texi: Include lto-dump section.
2767         * doc/lto-dump.texi: New file.
2768         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2769         (parse_dump_option): Factor out this function.
2770         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2771         (parse_dump_option): Export the function.
2772         * symtab.c (symtab_node::get_visibility_string): New function.
2773         (symtab_node::get_symtab_type_string): Likewise.
2774
2775 2019-05-06  Martin Liska  <mliska@suse.cz>
2776
2777         * config/i386/i386-builtins.c: New file.
2778         * config/i386/i386-builtins.h: New file.
2779         * config/i386/i386-expand.c: New file.
2780         * config/i386/i386-expand.h: New file.
2781         * config/i386/i386-features.c: New file.
2782         * config/i386/i386-features.h: New file.
2783         * config/i386/i386-options.c: New file.
2784         * config/i386/i386-options.h: New file.
2785         * config.gcc: Add new files into extra_objs and
2786         target_gtfiles.
2787         * config/i386/i386.c: Split content of the file
2788         into newly introduced files.
2789         * config/i386/i386.h: Declare common variables
2790         and macros.
2791         * config/i386/t-i386: Define dependencies for new files.
2792
2793 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2794
2795         PR target/89400
2796         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2797         Restrict 'all' variant to 32-bit configurations.
2798         (unaligned_loadhiu): Likewise.
2799         (unaligned_storehi): Likewise.
2800         (unaligned_storesi): Likewise.
2801         (unaligned_loadhis): Disable when compiling for thumb1.
2802
2803 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2804
2805         PR tree-optimization/90269
2806         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2807         Ignore clobbers.
2808
2809 2019-05-03  Martin Liska  <mliska@suse.cz>
2810
2811         * hash-map.h: Add is_empty function.
2812         * hash-set.h: Likewise.
2813         * hash-table.h: Likewise.
2814         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2815         elements () == 0 (and similar usages).
2816         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2817         * gimplify.c (gimplify_bind_expr): Likewise.
2818         (gimplify_switch_expr): Likewise.
2819         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2820         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2821         * postreload-gcse.c (dump_hash_table): Likewise.
2822         (gcse_after_reload_main): Likewise.
2823         * predict.c (combine_predictions_for_bb): Likewise.
2824         * tree-parloops.c (reduction_phi): Likewise.
2825         (separate_decls_in_region): Likewise.
2826         (transform_to_exit_first_loop): Likewise.
2827         (gen_parallel_loop): Likewise.
2828         (gather_scalar_reductions): Likewise.
2829         (try_create_reduction_list): Likewise.
2830         * var-tracking.c (dump_vars): Likewise.
2831         (emit_notes_for_changes): Likewise.
2832         (vt_emit_notes): Likewise.
2833
2834 2019-05-03  Richard Biener  <rguenther@suse.de>
2835
2836         PR tree-optimization/90316
2837         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2838         before running VN.
2839
2840 2019-05-03  Richard Biener  <rguenther@suse.de>
2841
2842         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2843         peeling for gaps by loading only lower halves of vectors
2844         if possible.
2845         (vectorizable_load): Likewise.
2846
2847 2019-05-03  Richard Biener  <rguenther@suse.de>
2848
2849         PR middle-end/89518
2850         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2851
2852 2019-05-03  Richard Biener  <rguenther@suse.de>
2853
2854         PR middle-end/87314
2855         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2856         Handle STRING_CST vs DECL or STRING_CST.
2857
2858 2019-05-03  Richard Biener  <rguenther@suse.de>
2859
2860         PR tree-optimization/88963
2861         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2862         vector loads feeding only BIT_FIELD_REFs to component
2863         loads.  Rewrite stores fed by CONSTRUCTORs to component
2864         stores.
2865
2866 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2867
2868         * opts.h (finish_options): Remove lang_mask argument.
2869         (print_help, help_option_argument): Declare.
2870         * opts.c (print_help): Remove forward declaration, no longer static.
2871         (finish_options): Remove lang_mask argument, don't call print_help
2872         here.
2873         * opts-global.c (decode_options): Adjust finish_option caller, call
2874         print_help here.
2875
2876         PR tree-optimization/90303
2877         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2878         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2879
2880 2019-05-03  Richard Biener  <rguenther@suse.de>
2881
2882         PR tree-optimization/89698
2883         * gimple-fold.c (canonicalize_constructor_val): Early out
2884         for constants, handle unfolded INTEGER_CSTs as they appear in
2885         C++ virtual table ctors.
2886
2887 2019-05-03  Richard Biener  <rguenther@suse.de>
2888
2889         * passes.c (execute_function_todo): Remove dead code.
2890
2891 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2892
2893         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2894         the internal register number, for any "real" register.
2895
2896 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2897
2898         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2899         correct numbers for TFHAR, TFIAR, TEXASR.
2900
2901 2019-05-02  Richard Biener  <rguenther@suse.de>
2902
2903         PR tree-optimization/89653
2904         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2905         update-address-taken before the pass.
2906         * passes.def (pass_tree_loop_init): Put comment before it.
2907
2908 2019-05-02  Richard Biener  <rguenther@suse.de>
2909
2910         PR tree-optimization/89509
2911         * tree-ssa-structalias.c (compute_dependence_clique): Look
2912         at the first subvar when determining whether it is restrict.
2913
2914 2019-05-02  Richard Biener  <rguenther@suse.de>
2915
2916         PR tree-optimization/90273
2917         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2918         useless debug stmts.
2919
2920 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2921
2922         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2923         ACLE branch.
2924         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2925         SVE ACLE branch.
2926         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2927         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2928         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2929         (vectorizable_reduction): Use the functions above to vectorize in a
2930         fully masked loop codes that don't have a conditional internal
2931         function.
2932
2933 2019-05-02  Martin Liska  <mliska@suse.cz>
2934
2935         * cgraphclones.c: Call valid_attribute_p with 1 for
2936         target_clone.
2937         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2938         it's for target attribute.
2939         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2940         Add new boolean argument.
2941         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2942         Likewise.
2943         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2944         to ix86_valid_target_attribute_inner_p.
2945         (ix86_valid_target_attribute_p): Pass flags argument to
2946         ix86_valid_target_attribute_inner_p.
2947         (get_builtin_code_for_version): Use 0 as it's target attribute.
2948
2949 2019-05-02  Martin Liska  <mliska@suse.cz>
2950
2951         * gcc.c (process_command): Add dummy file only
2952         if n_infiles == 0.
2953         * opts-global.c (decode_options): Pass lang_mask.
2954         * opts.c (print_help): New function.
2955         (finish_options): Print --help if help_option_argument
2956         is set.
2957         (common_handle_option): Factor out content of OPT__help_
2958         into print_help.
2959         * opts.h (finish_options): Add new argument.
2960
2961 2019-05-02  Martin Liska  <mliska@suse.cz>
2962
2963         PR target/88809
2964         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2965         With -minline-all-stringops use inline expansion using 4B loop.
2966         * doc/invoke.texi: Document the change of
2967         -minline-all-stringops.
2968
2969 2019-05-01  Jeff Law  <law@redhat.com>
2970
2971         PR tree-optimization/88797
2972         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2973         PHI feeds a conditional on the RHS of an assignment.
2974
2975 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2976             Jim Wilson  <jimw@sifive.com>
2977
2978         * config/riscv/constraints.md (L): New.
2979         * config/riscv/predicates.md (lui_operand): New.
2980         (sfb_alu_operand): New.
2981         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2982         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2983         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2984         * config/riscv/risc.md (type): Add sfb_alu.
2985         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2986         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2987         (branch_zero<mode>): Delete.
2988         (mov<mode>cc): New.
2989         (mov<GPR:mode><X:mode>cc): Likewise.
2990         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2991
2992 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2993
2994         * tree.h (MARK_TS_EXP): New.
2995
2996 2019-04-30  Martin Liska  <mliska@suse.cz>
2997
2998         * opts.c (enable_warning_as_error): Provide hints
2999         for unknown options.
3000
3001 2019-04-30  Martin Liska  <mliska@suse.cz>
3002
3003         PR debug/90288
3004         * doc/invoke.texi: Add missing dash for gas-locview-support
3005         and gno-as-locview-support.
3006
3007 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3008
3009         PR target/89093
3010         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3011         whitespace at the start of target attribute string.
3012
3013 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3014
3015         PR target/86538
3016         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3017         Define __ARM_FEATURE_ATOMICS.
3018
3019 2019-04-30  Martin Liska  <mliska@suse.cz>
3020
3021         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3022         into built_in_function enum. Remove code for endp == 2 and
3023         use BUILT_IN_* constants.
3024         (gimple_fold_builtin): Call the function with fcode.
3025
3026 2019-04-30  Martin Liska  <mliska@suse.cz>
3027
3028         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3029         DECL_FUNCTION_CODE into ix86_builtins enum before
3030         the switch statement.
3031
3032 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3033
3034         PR tree-optimization/89475
3035         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3036         calls.
3037
3038 2019-04-30  Martin Liska  <mliska@suse.cz>
3039
3040         PR translation/90274
3041         * opts.c (print_filtered_help): Wrap string in _(...).
3042
3043 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3044
3045         PR tree-optimization/90240
3046         Revert:
3047         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3048
3049         PR tree-optimization/90078
3050         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3051         checks for infinite_cost overflow.
3052
3053 2019-04-29  Jeff Law  <law@redhat.com>
3054
3055         * passes.def: Move -Wrestrict pass after copy propagation.
3056
3057 2019-04-29  Maya Rashish  <coypu@sdf.org>
3058
3059         * config.gcc (default_gnu_indirect_function): Default to yes
3060         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3061         sparc*-*-netbsd*, x86_64-*-netbsd*.
3062
3063 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3064
3065         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3066         where cond2 is NE_EXPR.
3067         (is_value_included_in): Update comment.
3068
3069 2019-04-29  Richard Biener  <rguenther@suse.de>
3070
3071         PR tree-optimization/90278
3072         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3073         EH on comparison simplification.
3074
3075 2019-04-29  Jason Merrill  <jason@redhat.com>
3076
3077         PR c++/82081 - tail call optimization breaks noexcept
3078         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3079         nothrow function to a might-throw function into a tail call.
3080
3081 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3082
3083         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3084         (DDR_INNER_LOOP): Likewise.
3085         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3086         (initialize_data_dependence_relation): Likewise.
3087         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3088
3089 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3090
3091         PR rtl-optimization/90257
3092         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3093         return value.
3094
3095         Revert the revert:
3096         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3097
3098         PR target/90178
3099         Revert:
3100         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3101
3102         Revert the revert:
3103         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3104
3105         Revert:
3106         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3107
3108         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3109
3110 2019-04-29  Richard Biener  <rguenther@suse.de>
3111
3112         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3113         rhs issue a reset.
3114
3115 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3116
3117         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3118         varasm.h, and netbsd-protos.h.
3119
3120 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3121
3122         PR target/89261
3123         * config/i386/i386-protos.h (ix86_data_alignment): Change
3124         the second argument type to unsigned int.
3125         * config/i386/i386.c (ix86_data_alignment): Change "align"
3126         argument type to unsigned int.
3127
3128 2019-04-27  Martin Liska  <mliska@suse.cz>
3129
3130         PR middle-end/90258
3131         * opt-suggestions.c (option_proposer::build_option_suggestions):
3132         When get_valid_option_values returns empty values, add the
3133         misspelling candidate.
3134
3135 2019-04-26  Jim Wilson  <jimw@sifive.com>
3136
3137         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3138         parameter.
3139         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3140         Pass orig_mode to riscv_build_integer.
3141         (riscv_split_integer): Pass mode to riscv_move_integer.
3142         (riscv_legitimize_const_move): Likewise.
3143         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3144         promoted_mode.  Replace force_reg call with code to load constant into
3145         promoted reg and then subreg it for the store.
3146         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3147         riscv_move_integer.
3148
3149 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3150
3151         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3152         corrupt codes.
3153
3154 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3155
3156         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3157         commentary about the encoding of precision.
3158
3159 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3160
3161         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3162         * config/i386/t-freebsd64: New file.
3163         * config.gcc: Add the t-freebsd64 for multilib support.
3164
3165 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3166
3167         * doc/extend.texi (vector_size): Add missing comma after @xref.
3168
3169 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3170
3171         * BASE-VER: Set to 10.0.0.
3172
3173 2019-04-25  Richard Biener  <rguenther@suse.de>
3174
3175         PR middle-end/89765
3176         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3177         VIEW_CONVERT_EXPR into one operating on an rvalue.
3178
3179 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3180
3181         PR target/89929
3182         * config/i386/i386.c (feature_priority): Moved to file scope.
3183         (processor_features): Likewise.
3184         (processor_model): Likewise.
3185         (_arch_names_table): Likewise.
3186         (arch_names_table): Likewise.
3187         (_feature_list): Removed.
3188         (feature_list): Likewise.
3189         (_isa_names_table): Moved to file scope.  Add priority.
3190         (isa_names_table): Likewise.
3191         (get_builtin_code_for_version): Replace feature_list with
3192         isa_names_table.  Update error message for P_ZERO priority.
3193
3194 2019-04-25  Richard Biener  <rguenther@suse.de>
3195
3196         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3197         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3198
3199 2019-04-24  Jeff Law  <law@redhat.com>
3200
3201         PR tree-optimization/90037
3202         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3203         * passes.def: Replace all instance of phi-only cprop with the
3204         lattice propagator.  Move propagation pass from after erroneous
3205         path isolation to before erroneous path isolation.
3206         * tree-ssa-phionlycprop.c: Remove.
3207
3208 2019-04-24  Richard Biener  <rguenther@suse.de>
3209
3210         PR middle-end/90213
3211         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3212         by size and BITS_PER_UNIT on poly-wide-ints.
3213
3214 2019-04-25  Richard Biener  <rguenther@suse.de>
3215
3216         PR middle-end/90194
3217         * match.pd: Add pattern to simplify view-conversion of an
3218         empty constructor.
3219
3220 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3221
3222         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3223         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3224         for Go on 32 bit AIX.
3225         * config/rs6000/aix72.h: Likewise.
3226
3227 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3228
3229         PR target/90193
3230         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3231         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3232
3233 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3234
3235         PR target/89952
3236         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3237         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3238         for restored hard frame pointer.
3239         (s390_sched_dependencies_evaluation): Implement new target hook.
3240         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3241
3242 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3243
3244         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3245         * config/arc/arc.c (arc_init): Cleanup warning message.
3246         (arc_override_options): Likewise.
3247
3248 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3249
3250         PR target/90187
3251         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3252         a register if both if_true and if_false are MEMs.
3253
3254         PR tree-optimization/90208
3255         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3256         after labels of new_bb, not before them.
3257
3258         PR tree-optimization/90211
3259         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3260         which are not SSA_NAMEs.
3261
3262 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3263
3264         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3265         AArch64.
3266         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3267
3268 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3269
3270         PR rtl-optimization/87979
3271         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3272         not equal zero.
3273
3274 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3275
3276         PR rtl-optimization/84032
3277         * modulo-sched.c (ps_insn_find_column): Change condition so that
3278         branch will always be the last insn in a row inside partial
3279         schedule.
3280
3281 2019-04-23  Richard Biener  <rguenther@suse.de>
3282
3283         PR debug/90131
3284         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3285         dest_single_pred_p argument.
3286         (remove_forwarder_block): Adjust.
3287         (remove_forwarder_block_with_phi): Likewise.
3288
3289 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3290             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3291             Jakub Jelinek  <jakub@redhat.com>
3292
3293         PR target/89093
3294         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3295         if used with general-regs-only.
3296         (arm_conditional_register_usage): Don't add non-general regs if
3297         general-regs-only.
3298         (arm_valid_target_attribute_rec): Handle general-regs-only.
3299         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3300         general-regs-only.
3301         (TARGET_HARD_FLOAT_SUB): Define.
3302         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3303         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3304         (TARGET_REALLY_IWMMXT2): Likewise.
3305         * config/arm/arm.opt: Add -mgeneral-regs-only.
3306         * doc/extend.texi: Document ARM general-regs-only target.
3307         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3308
3309 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3310
3311         PR tree-optimization/90078
3312         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3313         checks for infinite_cost overflow.
3314
3315 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3316
3317         PR tree-optimization/90021
3318         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3319         and check univariate against it.
3320         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3321         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3322
3323 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3324
3325         PR target/90178
3326         Revert:
3327         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3328
3329         Revert the revert:
3330         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3331
3332         Revert:
3333         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3334
3335         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3336
3337 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3338
3339         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3340         names using operand format, rather than hard-wired.
3341         (speculation_barrier): Likewise.
3342
3343 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3344
3345         PR tree-optimization/88055
3346         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3347         (gen_one_condition): Use it if !HONOR_NANS.
3348
3349 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3350
3351         PR middle-end/90139
3352         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3353         assign_temp instead of gen_reg_rtx.
3354
3355 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3356
3357         PR translation/90118
3358         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3359         Add missing space before %<.
3360
3361 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3362
3363         PR rtl-optimization/87871
3364         * ira-lives.c (make_object_dead): Don't add conflicts to
3365         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3366
3367 2019-04-18  Martin Sebor  <msebor@redhat.com>
3368
3369         PR middle-end/89797
3370         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3371         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3372         assuming type size fits in SHWI.
3373
3374 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3375
3376         PR ipa/85051
3377         * ipa-inline.c (flatten_function): New parameter UPDATE.
3378         (ipa_inline, early_inliner): Use it.
3379
3380 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3381
3382         * fold-const.c (int_const_binop): Return early on failure.
3383
3384 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3385
3386         PR middle-end/85164
3387         * combine.c (force_int_to_mode): Cast the argument rather than
3388         the result of known_alignment.
3389         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3390
3391 2019-04-18  Richard Biener  <rguenther@suse.de>
3392
3393         PR debug/90131
3394         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3395         out from ...
3396         (remove_forwarder_block): ... here.
3397         (remove_forwarder_block_with_phi): Also move debug stmts here.
3398
3399 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR translation/79183
3402         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3403         inform where appropriate.
3404
3405 2019-04-18  Richard Biener  <rguenther@suse.de>
3406
3407         * tree.c (get_qualified_type): Put found type variants at the
3408         head of the variant list.
3409
3410 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3411
3412         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3413
3414 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3415
3416         PR target/90125
3417         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3418         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3419         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3420         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3421         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3422
3423 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3424
3425         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3426         even for allocno's with no conflicts.
3427         (print_conflicts): Print an extra newline.
3428
3429 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3430
3431         * auto-inc-dec.c (attempt_change): Set the alignment of the
3432         temporary memory to that of the original.
3433
3434 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3435
3436         * targhooks.c (default_print_patchable_function_entry): Emit
3437         __patchable_function_entries section with writable flags to allow
3438         relocation resolution.
3439
3440 2019-04-17  Jonny Grant  <jg@jguk.org>
3441
3442         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3443
3444 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3445
3446         PR middle-end/90095
3447         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3448         on lowpart SUBREGs.
3449
3450 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3451
3452         * config/arc/arc.c (arc_init): Format diagnostic string.
3453         (arc_override_options): Likewise.
3454         (check_if_valid_regno_const): Likewise.
3455         (arc_reorg): Likewise.
3456
3457 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3458
3459         PR target/17108
3460         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3461         name.
3462         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3463         name.
3464         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3465         (*movdi_update1): Use Pmode.
3466         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3467         (movdi_<mode>_update_stack): Rename to ...
3468         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3469         use Pmode.
3470         (*movsi_update1): Use Pmode.
3471         (*movsi_update2): Use Pmode.
3472         (movsi_update): Rename to ...
3473         (movsi_<mode>_update): ... this.  Use Pmode.
3474         (movsi_update_stack): Fix condition.
3475         (*movhi_update1): Use Pmode.  Fix argument to
3476         avoiding_indexed_address_p.
3477         (*movhi_update2): Ditto.
3478         (*movhi_update3): Ditto.
3479         (*movhi_update4): Ditto.
3480         (*movqi_update1): Ditto.
3481         (*movqi_update2): Ditto.
3482         (*movqi_update3): Ditto.
3483         (*movsf_update1, *movdf_update1): Merge, rename to...
3484         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3485         avoiding_indexed_address_p.  Add "size" attribute.
3486         (*movsf_update2, *movdf_update2): Merge, rename to...
3487         (*mov<mode>_update2): This.  Ditto.
3488         (*movsf_update3): Use Pmode.  Fix argument to
3489         avoiding_indexed_address_p.
3490         (*movsf_update4): Ditto.
3491         (allocate_stack): Simplify condition.  Adjust pattern names.
3492
3493 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3494
3495         PR target/89093
3496         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3497         whitespace at the start of target attribute string.
3498
3499 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3500
3501         PR target/84369
3502         * config/rs6000/power9.md: Add store forwarding bypass.
3503
3504 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3505
3506         PR debug/89528
3507         * valtrack.c (dead_debug_insert_temp): Reset debug references
3508         to the return value of a call being removed.
3509
3510 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3511
3512         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3513         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3514         implement target hook.
3515         (arc_memory_move_cost): New function.
3516         (TARGET_REGISTER_MOVE_COST): Define.
3517         (TARGET_MEMORY_MOVE_COST): Likewise.
3518         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3519         (MEMORY_MOVE_COST): Likewise.
3520
3521 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3522
3523         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3524         (sibcall_value_insn): Likewise.
3525         * config/arc/constraints.md (Rs5): Remove.
3526
3527 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3528
3529         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3530         for last two fake registers.
3531         (arc_conditional_register_usage): Make sure fake frame and arg
3532         pointer regs are in general regs class.
3533         (FRAME_POINTER_MASK): Remove.
3534         (RETURN_ADDR_MASK): Remove.
3535         (arc_must_save_register): Use hard frame regnum.
3536         (frame_restore_reg): Use hard_frame_pointer_rtx.
3537         (arc_save_callee_saves): Likewise.
3538         (arc_restore_callee_saves): Likewise.
3539         (arc_save_callee_enter): Likewise.
3540         (arc_restore_callee_leave): Likewise.
3541         (arc_save_callee_milli): Likewise.
3542         (arc_eh_return_address_location): Likewise.
3543         (arc_check_multi): Use hard frame regnum.
3544         (arc_can_eliminate): Likewise.
3545         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3546         for register allocator.
3547         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3548         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3549         (FRAME_POINTER_REGNUM): Change it to a fake register.
3550         (HARD_FRAME_POINTER_REGNUM): Defined.
3551         (ARG_POINTER_REGNUM): Change it to a new fake register.
3552         (ELIMINABLE_REGS): Update.
3553         (REGISTER_NAMES): Update names.
3554         * config/arc/arc.md (LP_START): Remove.
3555         (LP_END): Likewise.
3556         (shift_si3_loop): Update pattern.
3557
3558 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3559
3560         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3561         to avoid delay slot scheduling.
3562         (arc_must_save_register): Don't save SP.
3563         * config/arc/arc.md (stack_tie): Remove.
3564         (UNSPEC_ARC_STKTIE): Likewise.
3565
3566 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3567             Shiva Chen  <shiva0217@gmail.com>
3568
3569         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3570         code gen with large shift amount.
3571
3572 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3573
3574         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3575         subreg.
3576
3577 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3578
3579         PR target/90096
3580         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3581         print -m64/-mx32/-m32 if it is true.
3582         (ix86_debug_options, ix86_function_specific_print): Pass true as
3583         ADD_ABI_P to ix86_target_string.
3584         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3585         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3586         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3587
3588         PR rtl-optimization/90082
3589         * dce.c (can_delete_call): New function.
3590         (deletable_insn_p, mark_insn): Use it.
3591
3592         PR tree-optimization/90090
3593         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3594         throw internally.
3595         (is_division_by_square): Likewise.  Formatting fix.
3596
3597 2019-04-16  Richard Biener  <rguenther@suse.de>
3598
3599         PR tree-optimization/56049
3600         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3601         equality check if alias-set zero will prevail.
3602
3603 2019-04-15  Jeff Law  <law@redhat.com>
3604
3605         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3606         size and alignment as unsigned.
3607
3608 2019-04-15  Richard Biener  <rguenther@suse.de>
3609
3610         PR debug/90074
3611         * tree-loop-distribution.c (destroy_loop): Preserve correct
3612         debug info.
3613
3614 2019-04-15  Richard Biener  <rguenther@suse.de>
3615
3616         PR tree-optimization/90071
3617         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3618         abnormal operands from def stmts.
3619
3620 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3621
3622         PR rtl-optimization/89794
3623         * combine.c (count_auto_inc): New function.
3624         (try_combine): Count how many auto_inc expressions there were in the
3625         original instructions.  Ensure we have the same number in the new
3626         instructions.  Remove the code that tried to ensure auto_inc side
3627         effects on i1 and i0 are not lost.
3628
3629 2019-04-15  Richard Biener  <rguenther@suse.de>
3630
3631         PR ipa/88936
3632         * tree.h (auto_var_p): Declare.
3633         * tree.c (auto_var_p): New function, split out from ...
3634         (auto_var_in_fn_p): ... here.
3635         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3636         member.
3637         (new_var_info): Initialize it.
3638         (set_uids_in_ptset): Also set the shadow variable uid if required.
3639         (ipa_pta_execute): Postprocess points-to solutions assigning
3640         shadow variable uids for locals that may reach their containing
3641         function recursively.
3642         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3643         assert but instead check whether the points-to solution is
3644         a singleton.
3645
3646 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3647
3648         PR ipa/pr89693
3649         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3650         the thunk chain.
3651
3652 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3653
3654         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3655
3656 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3657             Kito Cheng  <kito.cheng@gmail.com>
3658             Shiva Chen  <shiva0217@gmail.com>
3659
3660         * config/nds32/nds32-md-auxiliary.c
3661         (nds32_legitimize_pic_address): Use new PIC pattern.
3662         (nds32_legitimize_tls_address): Use new TLS pattern.
3663         (nds32_output_symrel): New.
3664         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3665         (nds32_alloc_relax_group_id): Ditto.
3666         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3667         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3668         relax_group_id.
3669         (nds32_group_tls_insn): Ditto.
3670         (nds32_group_float_insns): Ditto.
3671         * config/nds32/nds32.md (tls_le): New.
3672         (sym_got): Ditto.
3673
3674 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3675
3676         * configure: Add nds32 target for dwarf2 debug_line checking.
3677         * configure.ac: Regenerated.
3678
3679 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3680
3681         PR lto/89358
3682         * ipa-devirt.c (skip_in_fields_list_p): New.
3683         (odr_types_equivalent_p): Use it.
3684
3685 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3686
3687         PR target/89093
3688         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3689         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3690
3691 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3692
3693         * doc/install.texi: Document --with-target-system-zlib.
3694
3695 2019-04-12  Martin Sebor  <msebor@redhat.com>
3696
3697         PR c/88383
3698         PR c/89288
3699         PR c/89798
3700         PR c/89797
3701         * targhooks.c (default_vector_alignment): Avoid assuming
3702         argument fits in SHWI.
3703         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3704         a shift expression.
3705         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3706
3707 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3708
3709         PR rtl-optimization/89965
3710         * dce.c: Include rtl-iter.h.
3711         (struct check_argument_load_data): New type.
3712         (check_argument_load): New function.
3713         (find_call_stack_args): Check for loads from stack slots still tracked
3714         in sp_bytes and punt if any is found.
3715
3716         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3717
3718 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3719
3720         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3721         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3722
3723 2019-04-12  Martin Liska  <mliska@suse.cz>
3724
3725         PR middle-end/89970
3726         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3727         in error message.
3728         (separate_attrs): Handle multiple 'default's.
3729         (expand_target_clones): Rework error handling code.
3730
3731 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3732
3733         PR target/87532
3734         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3735         mode of vector rather than mode of destination for move instruction.
3736         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3737         Use QI inner mode with V16QI vector mode.
3738
3739 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3740
3741         PR target/52726
3742         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3743         "invalid %%t operand" in output_operand_lossage message.
3744
3745 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3746
3747         * config/s390/predicates.md (permute_pattern_operand): New
3748         predicate.
3749         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3750         operand for the permute pattern.
3751         ("*vec_perm<mode>"): New insn definition.
3752         ("bswap<mode>"): Generate the permute pattern operand in the
3753         expander and perform the operand reloads for pre arch13 level
3754         already.
3755         ("*bswap<mode>_emu"): Rename to ...
3756         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3757         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3758         Add the USE operand for the permute pattern.
3759         ("*vec_set_bswap_vec<mode>"): Likewise.
3760
3761 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3762
3763         PR c/89946
3764         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3765         and gcc_unreachable if it fails, just call tree_to_uhwi which
3766         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3767         Start warning message with a lower-case letter.  Formatting fixes.
3768
3769         PR rtl-optimization/90026
3770         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3771         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3772         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3773         in cfglayout mode, use emit_barrier_after_bb.
3774
3775 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3776
3777         PR rtl-optimization/87763
3778         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3779         New Instruction.
3780
3781 2019-04-11  Tom de Vries  <tdevries@suse.de>
3782
3783         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3784         max macro using statement expression.
3785
3786 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3787
3788         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3789         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3790         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3791         read_only_private_data_section using xcoff_private_rodata_section_name.
3792         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3793
3794 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3795
3796         PR target/90016
3797         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3798
3799 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3800
3801         PR rtl-optimization/89965
3802         * dce.c (sp_based_mem_offset): New function.
3803         (find_call_stack_args): Use sp_based_mem_offset.
3804
3805 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3806
3807         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3808
3809 2019-04-11  Richard Biener  <rguenther@suse.de>
3810
3811         PR tree-optimization/90020
3812         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3813         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3814         * tree-ssa-pre.c (compute_avail): Use it to not put
3815         possibly trapping references after a call that might not
3816         return into EXP_GEN.
3817         * gcse.c (compute_hash_table_work): Do not elide
3818         marking a block containing a call if the call might not
3819         return.
3820
3821 2019-04-11  Richard Biener  <rguenther@suse.de>
3822
3823         PR tree-optimization/90018
3824         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3825         Test both SLP and interleaving variants.
3826
3827 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3828
3829         * config/s390/8561.md: New file.
3830         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3831         Add arch13 cpu model.
3832         * config/s390/s390-opts.h (enum processor_type): Likewise.
3833         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3834         (s390_get_unit_mask): Likewise.
3835         (s390_is_fpd): Likewise.
3836         (s390_is_fxd): Likewise.
3837         * config/s390/s390.h (s390_tune_attr): Likewise.
3838         * config/s390/s390.md: Include arch13 pipeline description.
3839         * config/s390/s390.opt: Add arch13.
3840
3841 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3842
3843         PR rtl-optimization/87763
3844         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3845         New prototype.
3846         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3847         New function.
3848         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3849         New instruction.
3850         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3851         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3852         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3853         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3854
3855 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3856
3857         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3858         "Although" in -fipa-icf documentation.
3859
3860         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3861         of using multiple -g options.
3862
3863 2019-04-10  Martin Liska  <mliska@suse.cz>
3864
3865         PR gcov-profile/89959
3866         * doc/gcov.texi: Make documentation of -x option
3867         more precise.
3868
3869 2019-04-10  Richard Biener  <rguenther@suse.de>
3870
3871         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3872         member.
3873         (DR_GROUP_SAME_DR_STMT): Remove.
3874         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3875         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3876         replace with assert.
3877         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3878         (vect_record_grouped_load_vectors): Remove unreachable code.
3879
3880 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3881
3882         PR target/90016
3883         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3884         obsolete reference to N.
3885
3886 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3887
3888         PR middle-end/90025
3889         * expr.c (store_expr): Set properly size on the MEM passed to
3890         clear_storage.
3891
3892         PR c++/90010
3893         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3894         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3895         translation is needed, and when translation is needed, only append
3896         ... if the string length is hostsz or more bytes long.  Avoid using
3897         strncpy or strcat.
3898
3899 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3900
3901         PR target/90024
3902         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3903         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3904         into three.
3905         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3906         differences directly.
3907         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3908
3909 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3910
3911         PR translation/90011
3912         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3913         from diagnostics.
3914         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3915         diagnostics.
3916         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3917         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3918         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3919         trailing space from -gsplit-dwarf diagnostics.
3920
3921         PR tree-optimization/89998
3922         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3923         instead of integer_type_node if possible, don't add ranges if return
3924         type is not compatible with int.
3925         * gimple-fold.c (gimple_fold_builtin_sprintf,
3926         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3927         integer_type_node.
3928
3929 2019-04-09  Martin Liska  <mliska@suse.cz>
3930
3931         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3932         * doc/install.texi: Document the new config.
3933
3934 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3935
3936         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3937         use gimple_expr_type for load and store calls.  Skip over the
3938         condition argument in a conditional internal function.
3939         Protect use of TREE_INT_CST_LOW.
3940
3941 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3942
3943         PR target/90015
3944         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3945         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3946         trailing period from it too.
3947
3948 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3949
3950         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3951         * config/aarch64/aarch64.md : Add "tsv110.md"
3952         * config/aarch64/tsv110.md: New file.
3953
3954 2019-04-08  Richard Biener  <rguenther@suse.de>
3955
3956         PR tree-optimization/90006
3957         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3958         calls like lrint.
3959
3960 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3961
3962         PR target/83033
3963         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3964         construction.
3965         (fma_root_node): Likewise.
3966         (func_fma_steering): Likewise.
3967
3968 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3969
3970         PR rtl-optimization/89865
3971         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3972
3973         PR rtl-optimization/89865
3974         * config/i386/i386.md
3975         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3976         numbers not to clash with the additional operands[4].
3977         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3978         with extra register copy in the middle.
3979
3980 2019-04-08  Martin Liska  <mliska@suse.cz>
3981
3982         PR gcov-profile/89961
3983         * doc/gcov.texi: Document data_file.
3984         * gcov.c (generate_results): Add data_info into JSON output.
3985
3986 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3987
3988         PR tree-optimization/89725
3989         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3990         loop's chrec as invariant symbol.
3991         * tree-chrec.h (chrec_contains_symbols): New parameter.
3992         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3993         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3994         function of loops not in DDR's loop_nest.
3995         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3996
3997 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3998
3999         PR target/89623
4000         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4001         Mask.
4002
4003 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4004
4005         PR target/89945
4006         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4007         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4008
4009 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4010
4011         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4012         targetm.fixed_condition_code_regs.
4013
4014 2019-04-05  Richard Biener  <rguenther@suse.de>
4015
4016         PR debug/89892
4017         PR debug/89905
4018         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4019         debug bind stmts but reset them if they are not valid at the
4020         destination.
4021
4022 2019-04-05  Martin Liska  <mliska@suse.cz>
4023
4024         PR translation/89936
4025         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4026         order to wrap keywords or arguments.
4027         * collect2.c (main): Likewise.
4028         (scan_prog_file): Likewise.
4029         (scan_libraries): Likewise.
4030         * common/config/riscv/riscv-common.c
4031         (riscv_subset_list::parsing_subset_version): Likewise.
4032         (riscv_subset_list::parse_std_ext): Likewise.
4033         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4034         Likewise.
4035         * config/arm/arm.c (arm_option_override): Likewise.
4036         * config/cris/cris.c (cris_print_operand): Likewise.
4037         * config/darwin-c.c (darwin_pragma_options): Likewise.
4038         (darwin_pragma_unused): Likewise.
4039         (darwin_pragma_ms_struct): Likewise.
4040         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4041         * config/i386/i386.c (print_reg): Likewise.
4042         (ix86_print_operand): Likewise.
4043         * config/i386/xm-djgpp.h: Likewise.
4044         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4045         * config/m32c/m32c.c (m32c_option_override): Likewise.
4046         * config/msp430/msp430.c (msp430_option_override): Likewise.
4047         * config/nds32/nds32.c (nds32_option_override): Likewise.
4048         * config/nvptx/mkoffload.c (main): Likewise.
4049         * config/rx/rx.c (rx_print_operand): Likewise.
4050         (valid_psw_flag): Likewise.
4051         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4052         (vms_pragma_nomember_alignment): Likewise.
4053         (vms_pragma_extern_model): Likewise.
4054         * lto-wrapper.c (compile_offload_image): Likewise.
4055         * omp-offload.c (oacc_parse_default_dims): Likewise.
4056         * symtab.c (symtab_node::verify_base): Likewise.
4057         * tlink.c (recompile_files): Likewise.
4058         (start_tweaking): Likewise.
4059         * tree-profile.c (parse_profile_filter): Likewise.
4060
4061 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4062
4063         PR tree-optimization/89956
4064         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4065         multiple negates of the same value.
4066
4067 2019-04-04  Martin Sebor  <msebor@redhat.com>
4068
4069         PR middle-end/89957
4070         PR middle-end/89911
4071         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4072         have the same precision since the function crashes otherwise.
4073         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4074         has non-zero arguments.
4075
4076 2019-04-04  Martin Sebor  <msebor@redhat.com>
4077
4078         PR middle-end/89934
4079         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4080         out if the number of arguments is less than expected.
4081
4082 2019-04-04  Jeff Law  <law@redhat.com>
4083
4084         PR rtl-optimization/89399
4085         * ree.c (combine_set_extension): Use single_set rather than
4086         digging into PATTERN for items on the candidate list.
4087         (combine_reaching_defs): Likewise.
4088
4089 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4090
4091         PR rtl-optimization/46590
4092         * loop-invariant.c (find_defs): Move df_remove_problem and
4093         df_process_deferred_rescans to move_invariants.
4094         Move df_live_add_problem and df_live_set_all_dirty calls
4095         to move_invariants.
4096         (move_invariants): Likewise.
4097         (move_loop_invariants): Likewise, making the df_live calls
4098         conditional on -O.  Remove the problem again if we added it
4099         locally.
4100
4101 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4102
4103         PR tree-optimization/89730
4104         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4105         -flive-patching=inline-only-static.
4106         (can_inline_edge_by_limits_p): Add the checking for
4107         -flive-patching=inline-only-static and grant always_inline
4108         even when -flive-patching=inline-only-static is specified.
4109
4110 2019-04-03  Jeff Law  <law@redhat.com>
4111
4112         PR rtl-optimization/81025
4113         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4114
4115 2019-04-03  Richard Biener  <rguenther@suse.de>
4116
4117         PR tree-optimization/84101
4118         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4119         regs.h for hard_regno_nregs.
4120         (cfun_returns): New helper.
4121         (vect_model_store_cost): When vectorizing a store to a decl
4122         we return and the function ABI returns in a multi-reg location
4123         account for the possible spilling that will happen.
4124
4125 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4126
4127         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4128         displacement addresses for vector mode operands.
4129
4130 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4131
4132         * config/arc/arc.c (GMASK_LEN): Define.
4133         (arc_restore_callee_saves): Restore first blink when
4134         !optimize_size.
4135
4136 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4137
4138         * doc/extend.texi: Add deprecated comment on sign-return-address
4139         function attribute and add mbranch-protection.
4140         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4141
4142 2019-04-03  Richard Biener  <rguenther@suse.de>
4143
4144         PR lto/89896
4145         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4146         the all target phony.
4147
4148 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4149
4150         PR target/89902
4151         PR target/89903
4152         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4153         Return false for variable DImode shifts.
4154         (dimode_scalar_chain::compute_convert_gain): Do not handle
4155         register count operand in variable DImode shifts.
4156         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4157         count argument of a variable shift instruction to a vector register.
4158         (dimode_scalar_chain::convert_reg): Remove support to convert
4159         count argument of a variable shift instruction.
4160
4161 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4162
4163         PR rtl-optimization/84206
4164         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4165         iterating over loop headers.
4166
4167 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4168
4169         PR rtl-optimization/85876
4170         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4171         beyond the original fence.
4172
4173 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4174
4175         * config.gcc: Mark spu* targets as deprecated/obsolete.
4176
4177 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4178
4179         * config/s390/s390-builtin-types.def: New builtin function type
4180         definitions. Remove unused types.
4181         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4182         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4183         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4184         overloaded builtins.
4185         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4186         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4187         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4188         (vec_double, vec_signed, vec_unsigned): Define to use the new
4189         overloaded builtins.
4190         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4191         Remove expanders.
4192
4193 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4194
4195         * config/s390/s390-builtin-types.def: New builtin function type
4196         definitions.
4197         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4198         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4199         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4200         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4201         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4202         constant definitions.
4203         * config/s390/vecintrin.h (vec_search_string_cc)
4204         (vec_search_string_until_zero_cc): New builtin name definitions.
4205         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4206         expanders.
4207         ("vec_vstrs<mode>"): New insn definition.
4208
4209 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4210
4211         * config/s390/s390-builtin-types.def: Add new builtin function
4212         types.
4213         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4214         New overloaded builtins.
4215         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4216         s390_vsrd.
4217         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4218         (UNSPEC_VEC_SLDBYTE): ... this.
4219         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4220         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4221         definitions.
4222         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4223         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4224         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4225
4226 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4227
4228         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4229         New insn definition.
4230         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4231         * config/s390/vector.md (V_HW_HSD): ... here.
4232
4233 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4234
4235         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4236         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4237         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4238         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4239         New insn definitions.
4240
4241 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4242
4243         * config/s390/s390-builtin-types.def: Add new builtin function type.
4244         * config/s390/s390-builtins.def: Add overloaded builtin
4245         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4246         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4247         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4248         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4249         ("eltswap<mode>"): New expander.
4250         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4251         insn definitions.
4252
4253 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4254
4255         * config/s390/s390-builtin-types.def: Add new builtin function types.
4256         * config/s390/s390-builtins.def: Add overloaded builtin
4257         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4258         instructions.
4259         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4260         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4261         ("bswap<mode>"): New expander.
4262         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4263
4264 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4265
4266         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4267         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4268         vector builtin version number in __VEC__.
4269
4270 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4271
4272         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4273         iterators.
4274         (SFSI): New mode attribute.
4275         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4276         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4277         rename to ...
4278         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4279         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4280         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4281         ("floatsi<mode>2"): Add wcefb instruction.
4282
4283 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4284
4285         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4286         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4287         mode iterators.
4288         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4289         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4290         support 32 bit fp-int conversions. Rename to ...
4291         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4292         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4293         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4294         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4295         ... to these.
4296
4297 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4298
4299         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4300         if-then-else constructs if we can use the select instruction.
4301         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4302
4303 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4304
4305         * config/s390/s390.md ("*popcountdi_arch13_cc")
4306         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4307         definition.
4308         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4309         Append _z196 to make it ...
4310         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4311         ("popcounthi2_z196"): ... this.
4312         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4313         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4314
4315 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4316
4317         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4318         certain compares for arch13 in order to make use of the condition
4319         code result produced by the new instructions.
4320         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4321         nxrk, and nxgrk instruction patterns.
4322         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4323         (inv_no): Add new code iterator together with some attributes.
4324         ("*andc_split_<mode>"): Disable splitter for arch13.
4325         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4326         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4327         ("*<ANDOR:bitops_name>c<GPR:mode>")
4328         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4329         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4330         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4331         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4332
4333 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4334
4335         * common/config/s390/s390-common.c (processor_flags_table): New
4336         entry for arch13.
4337         * config.gcc: Support arch13 with the --with-arch= configure flag.
4338         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4339         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4340         * config/s390/s390.c (s390_get_sched_attrmask)
4341         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4342         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4343         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4344         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4345         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4346         definitions.
4347         * config/s390/s390.opt: Support arch13 as processor type in
4348         command line options.
4349
4350 2019-04-02  Martin Liska  <mliska@suse.cz>
4351
4352         PR translation/89912
4353         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4354         Fix param description of graphite-max-arrays-per-scop.
4355
4356 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4357
4358         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4359         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4360         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4361
4362 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4363
4364         PR rtl-optimization/85412
4365         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4366         sel_sched_region_1, not after.
4367
4368 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4369
4370         PR rtl-optimization/86928
4371         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4372         compute_live if necessary.
4373         (sel_redirect_edge_and_branch): Likewise.
4374
4375 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4376
4377         PR rtl-optimization/89865
4378         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4379         register if it is a part of small class.
4380
4381 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4382
4383         PR rtl-optimization/87273
4384         * sel-sched-ir.c (merge_fences): Remove assert.
4385
4386 2019-04-01  Richard Biener  <rguenther@suse.de>
4387
4388         PR tree-optimization/46590
4389         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4390         (dom_walker::m_reachability): Add in place of...
4391         (dom_walker::m_skip_unreachable_blocks): ...this.
4392         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4393         Move complex initialization ...
4394         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4395         lazily and initialize edge flags on each invocation.
4396         (dom_walker::bb_reachable): Use m_reachability.
4397
4398 2019-04-01  Martin Liska  <mliska@suse.cz>
4399
4400         PR driver/89861
4401         * opt-suggestions.c (option_proposer::build_option_suggestions):
4402         Add variant without any argument in order to provide better
4403         hints.
4404
4405 2019-04-01  Richard Biener  <rguenther@suse.de>
4406
4407         PR c/71598
4408         * gimple.c: Include langhooks.h.
4409         (gimple_get_alias_set): Treat enumeral types as the underlying
4410         integer type.
4411
4412 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4413             Eric Botcazou  <ebotcazou@adacore.com>
4414
4415         PR rtl-optimization/89862
4416         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4417         that operates on the full registers for WORD_REGISTER_OPERATIONS
4418         architectures.
4419
4420 2019-03-29  Jim Wilson  <jimw@sifive.com>
4421
4422         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4423         Clear MASK_RVC and then set if C subset supported.
4424
4425 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4426
4427         PR c/89872
4428         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4429         non-addressable complit into its initializer if it is volatile.
4430
4431 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4432
4433         * opts-common.c (integral_argument): Set errno properly in one case.
4434
4435 2019-03-29  Martin Liska  <mliska@suse.cz>
4436
4437         * doc/invoke.texi: Remove -Wchkp from documentation.
4438
4439 2019-03-29  Martin Liska  <mliska@suse.cz>
4440
4441         * dbgcnt.c (print_limit_reach): New function.
4442         (dbg_cnt): Use it.
4443
4444 2019-03-29  Martin Liska  <mliska@suse.cz>
4445
4446         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4447         (dbg_cnt_process_opt): Parse first tokens aas
4448         dbg_cnt_process_single_pair is also using strtok.
4449
4450 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4451
4452         PR rtl-optimization/87485
4453         * function.c (expand_function_end): Move stack_protect_epilogue
4454         before loading of return value into hard register(s).
4455
4456 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4457
4458         PR middle-end/89621
4459         * tree-inline.h (struct copy_body_data): Add
4460         dont_remap_vla_if_no_change flag.
4461         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4462         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4463         and remap_type_2 returns false.
4464         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4465         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4466         only from where it is copied to nested contexts.
4467
4468 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4469
4470         PR target/89865
4471         * config/i386/i386.md (RMW operation with LEA peephole):
4472         Use LEAMODE mode attribute instead of SWI mode iterator for
4473         LEA pattern.
4474
4475 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4476
4477         PR target/89848
4478         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4479         Also process XEXP (src, 0) of a shift insn.
4480
4481 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4482
4483         PR middle-end/89725
4484         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4485         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4486
4487 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4488
4489         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4490         test.
4491         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4492         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4493         immediately after first one with df_analyze in between, but rather
4494         process all bbs, queueing ones that need second pass in a worklist,
4495         df_analyze, process queued debug insn changes and if second pass is
4496         needed, process bbs from worklist, df_analyze, process queued debug
4497         insns again.
4498
4499         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4500         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4501         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4502
4503 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4504
4505         PR c/79022
4506         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4507         definition.
4508
4509 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4510
4511         PR target/85667
4512         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4513         function for 32-bit MS_ABI.
4514         (function_value_ms_32): New function.
4515
4516 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4517
4518         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4519         (movdi): Call gen_movdi_symbol_save_scc.
4520         (gen_movdi_symbol_save_scc): New insn and split.
4521
4522 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4523
4524         PR rtl-optimization/89313
4525         * function.c (matching_constraint_num): New static function.
4526         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4527         Don't replace inputs with non-matching constraints which conflict
4528         with early clobber outputs.
4529
4530 2019-03-27  Jeff Law  <law@redhat.com>
4531
4532
4533         PR rtl-optimization/87761
4534         PR rtl-optimization/89826
4535         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4536         slightly later.
4537         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4538         note problem to get REG_DEAD/REG_UNUSED notes updated.
4539
4540 2019-03-27  Richard Biener  <rguenther@suse.de>
4541
4542         PR tree-optimization/89463
4543         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4544         queue edges to remove.
4545         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4546         dead stmts.  Delay edge removal until PHIs are removed to
4547         make debug-stmt creation not confused by seemingly degenerate
4548         PHIs.
4549
4550 2019-03-27  Alan Modra  <amodra@gmail.com>
4551
4552         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4553         throughout file.
4554         * config/rs6000/darwin.h: Likewise.
4555         * config/rs6000/rs6000.c: Likewise.
4556
4557 2019-03-27  Alan Modra  <amodra@gmail.com>
4558
4559         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4560         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4561
4562 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4563             Jim Wilson  <jimw@sifive.com>
4564
4565         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4566         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4567         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4568         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4569         (generic_alu): Add auipc to type list.
4570         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4571         (riscv_microarchitecture): Declare.
4572         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4573         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4574         field.
4575         (riscv_microarchitecture): New.
4576         (sifive_7_tune_info): New.
4577         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4578         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4579         entries.
4580         (riscv_store_data_bypass_p): New.
4581         (riscv_option_override): Set riscv_microarchitecture from
4582         cpu->microarchitecture.
4583         * config/riscv/riscv.md: Include sifive-7.md.
4584         (type): Add auipc.
4585         (tune): New.
4586         (auipc<mode>): Change type to auipc.
4587         (restore_stack_nonlocal): New.
4588         * config/riscv/sifive-7.md: New.
4589         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4590
4591 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4592
4593         PR target/89827
4594         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4595         Also process XEXP (src, 0) of a shift insn.
4596
4597 2019-03-26  Richard Biener  <rguenther@suse.de>
4598
4599         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4600         (copy_debug_stmt): Likewise.
4601         (expand_call_inline): Likewise.
4602         (copy_bb): Avoid redundant lookup & set of gimple_block.
4603         * gimple-low.c (lower_gimple_return): Likewise.
4604         (lower_builtin_setjmp): Likewise.
4605
4606 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4607
4608         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4609         is constant 0, turn into static const data member initialized to false.
4610         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4611         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4612
4613 2019-03-26  Jason Merrill  <jason@redhat.com>
4614             Jakub Jelinek  <jakub@redhat.com>
4615
4616         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4617         method.
4618         (mem_alloc_description::release_object_overhead): Fix comment typos.
4619         * hash-table.h (hash_table::~hash_table): Call
4620         release_instance_overhead only if m_entries is non-NULL, otherwise
4621         call unregister_descriptor.
4622
4623 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4624
4625         PR tree-optimization/81740
4626         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4627         In case of outer loop vectorization, check for backward dependence
4628         at the inner loop if outer loop dependence is reversed.
4629
4630 2019-03-26  Alan Modra  <amodra@gmail.com>
4631
4632         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4633         rs6000_vector_mem init.  Correct wI and wJ comment.
4634
4635 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4636
4637         PR rtl-optimization/88347
4638         PR rtl-optimization/88423
4639         * sched-deps.c (sched_analyze_insn): Take into account that for
4640         tablejumps the barrier appears after a label and a jump_table_data.
4641
4642 2019-03-25  Martin Sebor  <msebor@redhat.com>
4643
4644         PR c/89812
4645         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4646         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4647         convert it to UHWI when it fits.
4648
4649 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4650
4651         PR debug/86964
4652         * dwarf2out.c (premark_used_variables): New function.
4653         (prune_unused_types_walk): Do not mark not premarked external
4654         variables.
4655         (prune_unused_types): Call premark_used_variables.
4656
4657 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4658
4659         PR rtl-optimization/89676
4660         * lra-constraints.c (curr_insn_transform): Do match reload for
4661         early clobbers when the match was successful only for different
4662         registers.
4663
4664 2019-03-25  Martin Sebor  <msebor@redhat.com>
4665
4666         * doc/extend.texi (Common Type Attributes): Document vector_size.
4667         (Common Variable Attributes): Mention size constraint.  Correct
4668         quoting and typos.
4669         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4670         base type and size constraints.
4671
4672 2019-03-25  Richard Biener  <rguenther@suse.de>
4673
4674         PR tree-optimization/89789
4675         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4676         changes from non-undefined back to undefined.
4677
4678 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4679
4680         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4681         heap string and a gc string, but since this variable is unknown to
4682         ggc the gc string might get reused and corrupted. Fixed by always
4683         using a heap string.
4684
4685 2019-03-25  Richard Biener  <rguenther@suse.de>
4686
4687         PR tree-optimization/89779
4688         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4689         to remove IV defs, delay actual removal.
4690         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4691         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4692         very end, properly also reset loop control IV information.
4693
4694 2019-03-25  Richard Biener  <rguenther@suse.de>
4695
4696         PR tree-optimization/89802
4697         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4698         move EH data to folded stmt.
4699
4700 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4701
4702         * config/s390/s390-builtin-types.def: Remove few unused types and
4703         fix sort order for others.
4704
4705 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4706
4707         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4708         expected and found types with -mdebug during builtin matching.
4709
4710 2019-03-25  Richard Biener  <rguenther@suse.de>
4711
4712         PR middle-end/89790
4713         * fold-const.c (operand_equal_p): Revert last change with
4714         updated comment.
4715
4716 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4717
4718         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4719         notes for the result of the __tls_get_addr calls.
4720         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4721
4722 2019-03-24  Jeff Law  <law@redhat.com>
4723
4724         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4725
4726         PR rtl-optimization/87761
4727         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4728         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4729         as needed.
4730         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4731         rescans.  Reprocess blocks as needed, calling df_analyze before
4732         reprocessing.  Always call df_analyze before fixing up debug bind
4733         insns.
4734
4735 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4736
4737         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4738         big endian.
4739
4740 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4741
4742         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4743         attrribute for uxtw.
4744
4745 2019-03-26  Jeff Law  <law@redhat.com>
4746
4747         PR rtl-optimization/87761
4748         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4749         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4750         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4751         into the next instruction.
4752         (mips_split_move_insn): Pass INSN through to mips_split_move.
4753
4754 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4755
4756         PR rtl-optimization/89676
4757         * lra-constraints.c (curr_insn_transform): Do match reload for
4758         early clobbers even if the match was successful.
4759
4760 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4761
4762         PR c++/87481
4763         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4764
4765 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4766
4767         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4768
4769 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4770
4771         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4772         <avx512>_fmsub_<mode>_mask3<round_name>,
4773         <avx512>_fnmadd_<mode>_mask3<round_name>,
4774         <avx512>_fnmsub_<mode>_mask3<round_name>,
4775         avx512f_vmfmadd_<mode>_mask3<round_name>,
4776         avx512f_vmfmsub_<mode>_mask3<round_name>,
4777         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4778         instead of register_operand and %v instead of v for match_operand 1.
4779         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4780         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4781         <round_nimm_predicate> instead of register_operand and %v instead of v
4782         for match_operand 1.
4783
4784         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4785         <avx512>_fmadd_<mode>_mask3<round_name>,
4786         <avx512>_fmsub_<mode>_mask<round_name>,
4787         <avx512>_fmsub_<mode>_mask3<round_name>,
4788         <avx512>_fnmadd_<mode>_mask<round_name>,
4789         <avx512>_fnmadd_<mode>_mask3<round_name>,
4790         <avx512>_fnmsub_<mode>_mask<round_name>,
4791         <avx512>_fnmsub_<mode>_mask3<round_name>,
4792         <avx512>_fmaddsub_<mode>_mask<round_name>,
4793         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4794         <avx512>_fmsubadd_<mode>_mask<round_name>,
4795         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4796         <round_nimm_predicate> instead of nonimmediate_operand.
4797         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4798         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4799         Use register_operand instead of <round_nimm_predicate> for the
4800         operand that needs to match output.
4801         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4802         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4803         Likewise.  Formatting fixes.
4804
4805         PR target/89784
4806         * config/i386/i386.c (enum ix86_builtins): Remove
4807         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4808         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4809         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4810         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4811         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4812         __builtin_ia32_vfmsubss3_mask3): New builtins.
4813         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4814         avx512f_vmfmadd_<mode>_mask3<round_name>,
4815         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4816         *avx512f_vmfmsub_<mode>_mask<round_name>,
4817         avx512f_vmfmsub_<mode>_mask3<round_name>,
4818         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4819         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4820         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4821         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4822         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4823         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4824         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4825         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4826         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4827         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4828         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4829         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4830         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4831         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4832         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4833         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4834         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4835         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4836         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4837         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4838         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4839         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4840         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4841         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4842         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4843         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4844         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4845         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4846
4847 2019-03-21  Martin Sebor  <msebor@redhat.com>
4848
4849         PR tree-optimization/89350
4850         * builtins.c (compute_objsize): Also ignore offsets whose upper
4851         bound is negative.
4852         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4853         (builtin_memref::builtin_memref): Initialize new member.
4854         Allow EXPR to be null.
4855         (builtin_memref::extend_offset_range): Replace local with a member.
4856         Avoid assuming pointer offsets are unsigned.
4857         (builtin_memref::set_base_and_offset): Determine base object
4858         before computing offset range.
4859         (builtin_access::builtin_access): Handle memset.
4860         (builtin_access::generic_overlap): Replace local with a member.
4861         (builtin_access::strcat_overlap): Same.
4862         (builtin_access::overlap): Same.
4863         (maybe_diag_overlap): Same.
4864         (maybe_diag_access_bounds): Same.
4865         (wrestrict_dom_walker::check_call): Handle memset.
4866         (check_bounds_or_overlap): Same.
4867
4868 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4869             Jakub Jelinek  <jakub@redhat.com>
4870
4871         PR lto/89692
4872         * tree.c (fld_type_variant, fld_incomplete_type_of,
4873         fld_process_array_type): Call fld->pset.add and don't call
4874         add_tree_to_fld_list if it returns true.
4875         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4876         non-marked types from TYPE_NEXT_VARIANT list.
4877         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4878
4879 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4880
4881         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4882         to false, if true, don't alloc_entries during construction, but defer
4883         it to the first method that needs m_entries allocated.
4884         (hash_table::hash_table, hash_table::~hash_table,
4885         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4886         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4887         hash_table::clear_slot, hash_table::traverse_noresize,
4888         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4889         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4890         false.
4891         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4892         NO_INSERT instead of find_with_hash.
4893         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4894         hash_set::m_table): Add Lazy to template params of hash_table.
4895         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4896         * attribs.c (test_attribute_exclusions): Likewise.
4897         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4898         hash_set.  Add tests for hash_set with Lazy = true.
4899
4900 2019-03-21  Richard Biener  <rguenther@suse.de>
4901
4902         PR tree-optimization/89779
4903         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4904         checks with respect to released SSA names now having error_mark_node
4905         type.
4906         * fold-const.c (operand_equal_p): Likewise.
4907
4908 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4909
4910         PR target/89775
4911         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4912         available to ...
4913         (s390_optimize_register_info): Use global_not_special_regno_p to
4914         check for global regs.
4915
4916 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4917
4918         PR target/89752
4919         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4920         update this_alternative nor this_alternative_set.
4921
4922 2019-03-19  Jim Wilson  <jimw@sifive.com>
4923
4924         PR target/89411
4925         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4926         align, size, offset.  Use them to handle a BLKmode reference.  Update
4927         comment.
4928         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4929
4930 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4931
4932         PR rtl-optimization/89768
4933         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4934         instead of GEN_INT.
4935         (unroll_loop_runtime_iterations): Likewise.
4936
4937 2019-03-19  Martin Sebor  <msebor@redhat.com>
4938
4939         PR tree-optimization/89644
4940         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4941         rather than endptr as an indicator of nul-termination.
4942
4943         PR tree-optimization/89644
4944         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4945         arrays in determining sequence sizes in strncpy and stpncpy.
4946
4947 2019-03-19  Martin Liska  <mliska@suse.cz>
4948
4949         PR middle-end/89737
4950         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4951         unlikely_edges if there's an edge that belongs to both these sets.
4952
4953 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4954
4955         PR target/89746
4956         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4957         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4958         go via a stack temporary.
4959
4960 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4961
4962         PR target/89378
4963         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4964         instead of gen_rtx_SUBREG.
4965         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4966
4967 2019-03-19  Richard Biener  <rguenther@suse.de>
4968
4969         PR debug/88389
4970         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4971
4972 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4973
4974         PR lto/87809
4975         PR lto/89335
4976         * tree.c (free_lang_data_in_decl): Do not free context of C++
4977         destrutors.
4978
4979 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4980
4981         PR target/89506
4982         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4983         subs for the first alternative except when operands[3] is 1.
4984
4985         PR target/89752
4986         * gimplify.c (gimplify_asm_expr): For output argument with
4987         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4988         diagnose error.
4989
4990 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4991
4992         PR rtl-optimization/89753
4993         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4994         explicit unrolling factor even more robust.
4995
4996 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4997
4998         PR target/89726
4999         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5000         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5001         signed zeros, do another copysign after the compensation.
5002
5003 2019-03-18  Martin Sebor  <msebor@redhat.com>
5004
5005         PR tree-optimization/89720
5006         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5007         more conservatively, the same as anti-range.
5008
5009 2019-03-18  Richard Biener  <rguenther@suse.de>
5010
5011         PR middle-end/88945
5012         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5013         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5014         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5015         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5016
5017 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5018
5019         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5020         Extend queue to 1024 entries.
5021         Add "consumed" field.
5022         (gomp_print_output): Remove print_index parameter.
5023         Add final parameter.
5024         Change limit to unsigned.
5025         Use consumed field to implement circular buffer.
5026         Detect interrupted print in final pass.
5027         Flush output at the end.
5028         (run): Update gomp_print_output usage.
5029         (main): Initialize kernargs->output_data.consumed.
5030
5031 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5032
5033         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5034         calculation of the minimum number of scalar iterations for
5035         fully-predicated loops.
5036
5037 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5038
5039         PR tree-optimization/89546
5040         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5041         any propagation to its children took place.
5042
5043 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5044
5045         PR target/89627
5046         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5047         parameter, and make use of it.
5048         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5049
5050 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5051
5052         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5053         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5054         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5055         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5056         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5057         match what the ops is doing.
5058         (push_multi_fp_blink): Likewise.
5059         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5060         compiling for size and elf target.
5061         (arc_save_callee_enter): Adjust note to match what enter/leave
5062         operation does.
5063
5064 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5065
5066         * config/arc/arc.md (tst_movb): Fix constraint.
5067
5068 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5069
5070         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5071
5072 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5073
5074         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5075         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5076         reg_alloc_order references.
5077         (size_alloc_order): Define.
5078         (arc_adjust_reg_alloc_order): New function.
5079         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5080         order.
5081         (ADJUST_REG_ALLOC_ORDER): Define.
5082         (HONOR_REG_ALLOC_ORDER): Likewise.
5083
5084 2019-03-18  Richard Biener  <rguenther@suse.de>
5085
5086         PR target/87561
5087         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5088         loads and stores a bit more.
5089
5090 2019-03-18  Richard Biener  <rguenther@suse.de>
5091
5092         PR target/87561
5093         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5094         load pessimization to stores as well.
5095
5096 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5097
5098         PR middle-end/86979
5099         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5100         successor, use NULL as its av set.
5101
5102 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5103
5104         PR rtl-optimization/89721
5105         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5106
5107 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5108
5109         PR target/87532
5110         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5111         When handling vec_extract, use modular arithmetic to allow
5112         constant selectors greater than vector length.
5113         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5114         V1TImode vectors to have constant selector values greater than 0.
5115         Use modular arithmetic to compute vector index.
5116         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5117         index for in-memory vectors.  Correct code generation for
5118         in-register vectors.
5119         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5120         compute index.
5121
5122 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5123
5124         PR c++/88534
5125         PR c++/88537
5126         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5127         VAR_DECL args.
5128
5129 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5130
5131         PR c++/89709
5132         * tree.c (inchash::add_expr): Strip any location wrappers.
5133         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5134         after hash verification.
5135
5136         PR debug/89704
5137         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5138         SIGN_EXTEND and ZERO_EXTEND.
5139
5140 2019-03-14  Jason Merrill  <jason@redhat.com>
5141             Jakub Jelinek  <jakub@redhat.com>
5142
5143         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5144         than if is_empty (*slot).
5145         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5146         existing elt and for elt removal.
5147         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5148         of already removed elt.
5149
5150 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5151
5152         PR target/89650
5153         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5154         REG_EH_REGION note.
5155
5156 2019-03-14  Martin Liska  <mliska@suse.cz>
5157
5158         PR other/89712
5159         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5160
5161 2019-03-14  Richard Biener  <rguenther@suse.de>
5162
5163         PR target/89711
5164         * config/i386/i386.c (make_resolver_func): Properly set
5165         DECL_CONTEXT on the RESULT_DECL.
5166         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5167
5168 2019-03-14  Richard Biener  <rguenther@suse.de>
5169
5170         * gimple-pretty-print.c: Include cfgloop.h.
5171         (dump_gimple_phi): Adjust.
5172         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5173         (pp_cfg_jump): Adjust.
5174         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5175         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5176         (lower_phi_internal_fn): Remove.
5177         (verify_gimple_call): Remove IFN_PHI special-casing.
5178         (dump_function_to_file): Dump IL state.
5179         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5180         done to deal with PHI nodes being present in non-SSA state.
5181
5182 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5183
5184         PR ipa/89684
5185         * multiple_target.c (create_dispatcher_calls): Change
5186         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5187         In the node->iterate_referring loop, push *ref rather than ref, call
5188         ref->remove_reference () and always pass 0 to iterate_referring.
5189
5190         PR rtl-optimization/89679
5191         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5192         would contain a paradoxical SUBREG.
5193
5194 2019-03-14  Richard Biener  <rguenther@suse.de>
5195
5196         PR tree-optimization/89710
5197         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5198         safe_dyn_cast.
5199
5200 2019-03-14  Martin Liska  <mliska@suse.cz>
5201
5202         * coverage.c (coverage_begin_function): Stream also
5203         end_column.
5204         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5205         documentation about function declaration location.
5206         * gcov-dump.c (tag_function): Print whole range
5207         of function declaration.
5208         * gcov.c (struct function_info): Add end_column field.
5209         (function_info::function_info): Initialize it.
5210         (output_json_intermediate_file): Output {start,end}_column
5211         fields.
5212         (read_graph_file): Read end_column.
5213
5214 2019-03-14  Richard Biener  <rguenther@suse.de>
5215
5216         PR middle-end/89698
5217         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5218         that the access types are similar.
5219
5220 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5221
5222         PR tree-optimization/89703
5223         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5224         aren't compatible also with builtin_decl_explicit.  Check pure
5225         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5226         and BUILT_IN_STPNCPY{,_CHK}.
5227
5228 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5229
5230         PR target/89523
5231         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5232         addr32 prefix to VSIB address for X32.
5233         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5234         "%M2" to opcode.
5235         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5236         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5237         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5238         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5239         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5240         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5241         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5242         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5243         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5244         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5245         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5246         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5247         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5248         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5249         (*avx512f_scatterdi<mode>): Likewise.
5250
5251 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5252
5253         PR target/85860
5254         * lra-constraints.c (inherit_in_ebb): Update
5255         potential_reload_hard_regs along with live_hard_regs.
5256
5257 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5258
5259         PR debug/89498
5260         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5261         DWARF_OFFSET_SIZE.
5262         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5263
5264 2019-03-13  Martin Sebor  <msebor@redhat.com>
5265
5266         PR tree-optimization/89662
5267         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5268         has a size.
5269
5270 2019-03-13  Richard Biener  <rguenther@suse.de>
5271
5272         PR middle-end/89677
5273         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5274         throw FP expressions at tree-affine.
5275
5276 2019-03-14  Richard Biener  <rguenther@suse.de>
5277
5278         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5279         dump negative integer constants using _Literal (type) -num.
5280
5281 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5282
5283         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5284         nonlocal_value member.
5285
5286         PR middle-end/88588
5287         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5288         (ipa_simd_modify_function_body): Handle PHIs.
5289
5290 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5291
5292         * config/s390/s390.c (s390_option_override_internal): Use more
5293         aggressive inlining parameters.
5294
5295 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5296
5297         * config/s390/3906.md: New file.
5298         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5299         (LONGRUNNING_THRESHOLD): Remove.
5300         (MAX_SCHED_MIX_SCORE): Decrease.
5301         (MAX_SCHED_MIX_DISTANCE): Decrease.
5302         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5303         (struct s390_sched_state): New struct to hold scheduling state.
5304         (S390_SCHED_STATE_NORMAL): Remove.
5305         (S390_SCHED_STATE_CRACKED): Remove.
5306         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5307         (s390_get_sched_attrmask): Use new attribute.
5308         (s390_get_unit_mask): Use new units.
5309         (s390_is_fpd): New function.
5310         (s390_is_fxd): New function.
5311         (s390_is_longrunning): New function.
5312         (s390_sched_score): Use new functions.
5313         (s390_sched_reorder): Likewise.
5314         (s390_sched_variable_issue): Rework and use new functions.
5315         (s390_sched_init): Use new functions.
5316         * config/s390/s390.h (s390_tune_attr):  Add z14.
5317         * config/s390/s390.md: Add z14.
5318
5319 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5320
5321         * config/s390/2964.md: Update pipeline description.
5322         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5323         (LONGRUNNING_THRESHOLD): Remove.
5324         (LATENCY_FACTOR): Remove.
5325         (s390_get_unit_mask): Add unit.
5326         (s390_sched_score): Use fxd/fpd.
5327         (s390_sched_variable_issue): Use fxd/fpd.
5328
5329 2019-03-12  Martin Liska  <mliska@suse.cz>
5330
5331         * config/i386/i386.c: Reword an error message.
5332
5333 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5334
5335         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5336         terminate with newline.
5337
5338 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5339
5340         PR target/52726
5341         * config/s390/s390.md (tabort): Use %wd instead of
5342         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5343         letters and periods.
5344         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5345         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5346         's with %< and %>.
5347
5348         PR middle-end/89663
5349         * builtins.c (expand_builtin_int_roundingfn,
5350         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5351         gcc_unreachable if validate_arglist fails.
5352
5353 2019-03-12  Richard Biener  <rguenther@suse.de>
5354
5355         PR tree-optimization/89664
5356         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5357         free the occurance tree after the early out.
5358
5359 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5360
5361         PR middle-end/89655
5362         PR bootstrap/89656
5363         * vr-values.c (vr_values::update_value_range): If
5364         old_vr->varying_p (), don't update it, make new_vr also VARYING
5365         and return false.
5366
5367 2019-03-11  Martin Liska  <mliska@suse.cz>
5368
5369         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5370         Fix double string quoting.
5371
5372 2019-03-11  Martin Liska  <mliska@suse.cz>
5373
5374         * collect-utils.c (collect_wait): Wrap apostrophes
5375         in gcc internal format with %'.
5376         * collect2.c (main): Likewise.
5377         (scan_prog_file): Likewise.
5378         (scan_libraries): Likewise.
5379         * config/i386/i386.c (ix86_expand_call): Likewise.
5380         (ix86_handle_interrupt_attribute): Likewise.
5381         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5382         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5383         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5384         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5385         * symtab.c (symtab_node::verify_base): Likewise.
5386         * tree-cfg.c (verify_gimple_label): Likewise.
5387         * tree.c (verify_type_variant): Likewise.
5388
5389 2019-03-11  Martin Liska  <mliska@suse.cz>
5390
5391         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5392         in a string format message and fix GNU coding style.
5393         (expand_builtin_set_thread_pointer): Likewise.
5394         * common/config/aarch64/aarch64-common.c
5395         (aarch64_rewrite_selected_cpu): Likewise.
5396         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5397         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5398         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5399         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5400         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5401         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5402         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5403         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5404         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5405         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5406         Likewise.
5407         * common/config/riscv/riscv-common.c
5408         (riscv_subset_list::parsing_subset_version): Likewise.
5409         (riscv_subset_list::parse_std_ext): Likewise.
5410         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5411         (riscv_subset_list::parse): Likewise.
5412         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5413         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5414         (aarch64_override_options_internal): Likewise.
5415         (aarch64_validate_mcpu): Likewise.
5416         (aarch64_validate_march): Likewise.
5417         (aarch64_validate_mtune): Likewise.
5418         (aarch64_override_options): Likewise.
5419         * config/alpha/alpha.c (alpha_option_override): Likewise.
5420         * config/arc/arc.c (arc_init): Likewise.
5421         (parse_mrgf_banked_regs_option): Likewise.
5422         (arc_override_options): Likewise.
5423         (arc_expand_builtin_aligned): Likewise.
5424         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5425         (arm_expand_builtin): Likewise.
5426         * config/arm/arm.c (arm_option_check_internal): Likewise.
5427         (arm_configure_build_target): Likewise.
5428         (arm_option_override): Likewise.
5429         (arm_options_perform_arch_sanity_checks): Likewise.
5430         (arm_handle_cmse_nonsecure_entry): Likewise.
5431         (arm_handle_cmse_nonsecure_call): Likewise.
5432         (arm_tls_referenced_p): Likewise.
5433         (thumb1_expand_prologue): Likewise.
5434         * config/avr/avr.c (avr_option_override): Likewise.
5435         * config/bfin/bfin.c (bfin_option_override): Likewise.
5436         * config/c6x/c6x.c (c6x_option_override): Likewise.
5437         * config/cr16/cr16.c (cr16_override_options): Likewise.
5438         * config/cris/cris.c (cris_option_override): Likewise.
5439         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5440         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5441         * config/darwin.c (darwin_override_options): Likewise.
5442         * config/frv/frv.c (frv_expand_builtin): Likewise.
5443         * config/h8300/h8300.c (h8300_option_override): Likewise.
5444         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5445         (ix86_option_override_internal): Likewise.
5446         (warn_once_call_ms2sysv_xlogues): Likewise.
5447         (ix86_expand_prologue): Likewise.
5448         (split_stack_prologue_scratch_regno): Likewise.
5449         (ix86_warn_parameter_passing_abi): Likewise.
5450         * config/ia64/ia64.c (fix_range): Likewise.
5451         * config/m68k/m68k.c (m68k_option_override): Likewise.
5452         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5453         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5454         (mips_set_compression_mode): Likewise.
5455         * config/mmix/mmix.c (mmix_option_override): Likewise.
5456         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5457         * config/msp430/msp430.c (msp430_option_override): Likewise.
5458         * config/nds32/nds32.c (nds32_option_override): Likewise.
5459         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5460         (nios2_option_override): Likewise.
5461         (nios2_expand_custom_builtin): Likewise.
5462         * config/nvptx/mkoffload.c (main): Likewise.
5463         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5464         * config/pa/pa.c (fix_range): Likewise.
5465         (pa_option_override): Likewise.
5466         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5467         (riscv_option_override): Likewise.
5468         * config/rl78/rl78.c (rl78_option_override): Likewise.
5469         * config/rs6000/aix61.h: Likewise.
5470         * config/rs6000/aix71.h: Likewise.
5471         * config/rs6000/aix72.h: Likewise.
5472         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5473         * config/rs6000/freebsd64.h: Likewise.
5474         * config/rs6000/linux64.h: Likewise.
5475         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5476         (rs6000_expand_zeroop_builtin): Likewise.
5477         (rs6000_expand_mtfsb_builtin): Likewise.
5478         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5479         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5480         (rs6000_invalid_builtin): Likewise.
5481         (rs6000_expand_split_stack_prologue): Likewise.
5482         * config/rs6000/rtems.h: Likewise.
5483         * config/rx/rx.c (valid_psw_flag): Likewise.
5484         (rx_expand_builtin): Likewise.
5485         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5486         * config/s390/s390.c (s390_expand_builtin): Likewise.
5487         (s390_function_profiler): Likewise.
5488         (s390_option_override_internal): Likewise.
5489         (s390_option_override): Likewise.
5490         * config/sh/sh.c (sh_option_override): Likewise.
5491         (sh_builtin_saveregs): Likewise.
5492         (sh_fix_range): Likewise.
5493         * config/sh/vxworks.h: Likewise.
5494         * config/sparc/sparc.c (sparc_option_override): Likewise.
5495         * config/spu/spu.c (spu_option_override): Likewise.
5496         (fix_range): Likewise.
5497         * config/visium/visium.c (visium_option_override): Likewise.
5498         (visium_handle_interrupt_attr): Likewise.
5499         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5500         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5501         (dbg_cnt_process_opt): Likewise.
5502         * dwarf2out.c (output_dwarf_version): Likewise.
5503         * except.c (expand_eh_return): Likewise.
5504         * gcc.c (defined): Likewise.
5505         (driver_handle_option): Likewise.
5506         (process_command): Likewise.
5507         (compare_files): Likewise.
5508         (driver::prepare_infiles): Likewise.
5509         (driver::do_spec_on_infiles): Likewise.
5510         (driver::maybe_run_linker): Likewise.
5511         * omp-offload.c (oacc_parse_default_dims): Likewise.
5512         * opts-global.c (handle_common_deferred_options): Likewise.
5513         * opts.c (parse_sanitizer_options): Likewise.
5514         (common_handle_option): Likewise.
5515         (enable_warning_as_error): Likewise.
5516         * passes.c (enable_disable_pass): Likewise.
5517         * plugin.c (parse_plugin_arg_opt): Likewise.
5518         (default_plugin_dir_name): Likewise.
5519         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5520         (default_pch_valid_p): Likewise.
5521         * toplev.c (init_asm_output): Likewise.
5522         (process_options): Likewise.
5523         (toplev::run_self_tests): Likewise.
5524         * tree-cfg.c (verify_gimple_call): Likewise.
5525         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5526         (tree_inlinable_function_p): Likewise.
5527         * var-tracking.c (vt_find_locations): Likewise.
5528
5529 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5530
5531         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5532         only on the else branch.
5533
5534 2019-03-11  Martin Liska  <mliska@suse.cz>
5535
5536         * gcov.c (output_intermediate_json_line): Print function
5537         name of each line.
5538         (output_json_intermediate_file): Add new argument.
5539         * doc/gcov.texi: Document the change.
5540
5541 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5542
5543         PR rtl-optimization/89588
5544         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5545         explicit unrolling factor more robust.
5546
5547 2019-03-11  Richard Biener  <rguenther@suse.de>
5548
5549         PR tree-optimization/89649
5550         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5551         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5552         on the prolog and epilog loops.
5553         (vect_loop_versioning): Return copy of loop.
5554         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5555         on the non-vectorized version of the loop.
5556
5557 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5558
5559         PR target/68924
5560         * config/i386/sse.md (*vec_extractv2di_0_sse):
5561         Add (=r,x) alternative and corresponding splitter.
5562
5563 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5564
5565         PR tree-optimization/85762
5566         PR tree-optimization/87008
5567         PR tree-optimization/85459
5568         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5569         it points to if there is a type changing MEM_REF.  Adjust all callers.
5570         (build_accesses_from_assign): Disable total scalarization if
5571         contains_vce_or_bfcref_p returns true through the new parameter, for
5572         both rhs and lhs.
5573
5574 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5575
5576         PR c/88568
5577         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5578         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5579
5580         PR target/79645
5581         * common.opt (fdiagnostics-show-labels,
5582         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5583         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5584         gas-locview-support, ginline-points, ginternal-reset-location-views):
5585         Terminate description text with a dot.
5586         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5587         * config/mcore/mcore.opt (m210, m340): Likewise.
5588         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5589         mnops=): Start description text with a capital letter.
5590         * config/arc/arc.opt (msize-level=): Likewise.
5591         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5592         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5593         mnewlib): Likewise.
5594         * config/ft32/ft32.opt (msim): Likewise.
5595         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5596         (mnodiv, mnopm): Terminate description text with a dot.
5597         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5598         a colon.
5599         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5600         Likewise.
5601         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5602         text.
5603
5604         PR rtl-optimization/89634
5605         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5606         are modified in BB_END (e->src) instruction.
5607
5608 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5609
5610         PR target/79926
5611         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5612         messages more amenable to translation, and improve wording.
5613
5614 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5615
5616         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5617         ud- and du-chains between phases.
5618
5619 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5620
5621         PR debug/89631
5622         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5623         instead of POLY_INT_CST.
5624
5625 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5626
5627         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5628         requirement.
5629
5630 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5631
5632         PR target/68924
5633         PR target/78782
5634         PR target/87558
5635         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5636         (_mm_storeu_si64): Ditto.
5637
5638 2019-03-08  Martin Liska  <mliska@suse.cz>
5639
5640         PR target/86952
5641         * config/i386/i386.c (ix86_option_override_internal): Disable
5642         jump tables when retpolines are used.
5643
5644 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5645
5646         PR go/63560
5647         * ipa-split.c (execute_split_functions): Do not split
5648         'noinline' or 'section' function.
5649
5650 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5651
5652         PR target/79846
5653         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5654         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5655         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5656
5657         PR ipa/80000
5658         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5659         from diagnostics.  Formatting fixes.
5660
5661         PR target/85665
5662         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5663         warn_odr diagnostics.
5664
5665         PR other/80058
5666         * lra-constraints.c (process_alt_operands): Avoid one space before
5667         " at the end of line and another after " on another line in a string
5668         literal.
5669         * attribs.c (handle_dll_attribute): Likewise.
5670         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5671
5672         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5673         warning_at or inform messages in G_() if there is no ?:.
5674
5675         PR tree-optimization/89550
5676         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5677         returned true.  Formatting fixes.
5678         (expand_builtin_strnlen): Formatting fixes.
5679         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5680         if warning_at returned true.
5681         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5682
5683 2019-03-08  Richard Biener  <rguenther@suse.de>
5684
5685         PR middle-end/89578
5686         * cfgloop.h (struct loop): Add owned_clique field.
5687         * cfgloopmanip.c (copy_loop_info): Copy it.
5688         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5689         cliques.
5690         * tree-inline.c (copy_loops): Remap owned_clique.
5691         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5692         * lto-streamer-out.c (output_cfg): Likewise.
5693
5694 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5695
5696         PR target/80190
5697         * config/darwin.c: Include intl.h.
5698         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5699         composing the message out of two separate parts.
5700
5701 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5702
5703         PR target/80003
5704         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5705         doesn't start with a capital letter and doesn't end with a dot.
5706         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5707         with a capital letter.
5708         (ix86_mangle_function_version_assembler_name): Likewise.
5709         (ix86_generate_version_dispatcher_body): Likewise.
5710         (fold_builtin_cpu): Likewise.
5711         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5712         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5713         translators, wrap full type name in %qs.
5714
5715         PR translation/79999
5716         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5717         depend clause with source (or sink) modifier.
5718         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5719
5720         PR target/89602
5721         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5722         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5723         (avx512f_load<mode>_mask): New define_expand.
5724         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5725         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5726         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5727         __builtin_ia32_movess_mask): New builtins.
5728         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5729         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5730         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5731         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5732
5733 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5734
5735         PR lto/87525
5736         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5737         for extern inline functions.
5738
5739 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5740
5741         PR ipa/88235
5742         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5743         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5744         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5745         have multiple callees.  At the end check if declarations match as
5746         opposed to cgraph_nodes.
5747
5748 2019-03-07  Martin Liska  <mliska@suse.cz>
5749
5750         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5751         which is equivalent to searching for this in clones chain.
5752         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5753         names with a neighbour and special case first node in a chain.
5754
5755 2019-01-25  Jason Merrill  <jason@redhat.com>
5756
5757         PR c++/80916 - spurious "static but not defined" warning.
5758         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5759         for an internal symbol with DECL_EXTERNAL.
5760
5761 2019-04-07  Richard Biener  <rguenther@suse.de>
5762
5763         PR middle-end/89618
5764         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5765         * tree-inline.c (copy_loops): Simplify.
5766
5767 2019-03-07  Martin Liska  <mliska@suse.cz>
5768
5769         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5770
5771 2019-03-07  Richard Biener  <rguenther@suse.de>
5772
5773         PR tree-optimization/89595
5774         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5775         stmt iterator as reference, take boolean output parameter to
5776         indicate whether the stmt was removed and thus the iterator
5777         already advanced.
5778         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5779         stmts created by folding.
5780
5781 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5782
5783         PR c++/89585
5784         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5785         at toplevel.
5786
5787 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5788
5789         PR rtl-optimization/88845
5790         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5791         LRA.
5792         * lra.c (remove_scratches_1): New function.
5793         (remove_scratches): Use it.
5794         (lra_emit_move): Likewise.
5795
5796 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5797
5798         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5799         unaligned_access variable.
5800         * config/arc/arc.c (arc_override_options): Set unaligned access
5801         default on for HS CPUs.
5802         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5803
5804 2019-03-06  Martin Liska  <mliska@suse.cz>
5805
5806         PR gcov-profile/89577
5807         * doc/gcov.texi: Prefer to use --coverage.
5808         * doc/sourcebuild.texi: Likewise.
5809
5810 2019-03-02  Jason Merrill  <jason@redhat.com>
5811
5812         PR c++/86485 - -Wmaybe-unused with empty class ?:
5813         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5814
5815 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5816
5817         PR target/89587
5818         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5819         if_multiarch.
5820
5821         PR middle-end/89590
5822         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5823         exactly one argument.
5824
5825 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5826             Richard Sandiford  <richard.sandiford@arm.com>
5827
5828         PR tree-optimization/89570
5829         * match.pd (vec_cond into cond_op simplification): Don't use
5830         get_conditional_internal_fn, use as_internal_fn (cond_op).
5831
5832 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5833
5834         PR target/89222
5835         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5836         to decide when to split off a non-zero offset from a symbol.
5837         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5838         in function symbols.
5839
5840 2019-03-05  Richard Biener  <rguenther@suse.de>
5841
5842         PR tree-optimization/89594
5843         * tree-if-conv.c (pass_if_conversion::execute): Handle
5844         case where .LOOP_VECTORIZED_FUNCTION was removed.
5845
5846 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5847
5848         PR bootstrap/89560
5849         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5850         instead alloca it only when needed with the needed size.
5851
5852         PR tree-optimization/89570
5853         * match.pd (vec_cond into cond_op simplification): Guard with
5854         vectorized_internal_fn_supported_p test and #if GIMPLE.
5855
5856         PR tree-optimization/89566
5857         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5858         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5859         Punt if get_user_idx_format succeeds, but idx_format argument is
5860         not provided or doesn't have pointer type, or if idx_args is above
5861         number of provided arguments.
5862
5863 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5864
5865         PR tree-optimization/89437
5866         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5867
5868 2019-03-04  Richard Biener  <rguenther@suse.de>
5869
5870         PR middle-end/89572
5871         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5872         safe_dyn_cast.
5873
5874 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5875
5876         PR tree-optimization/89487
5877         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5878         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5879         (distribute_loop): Don't do runtime alias check if there is non-
5880         addressable data reference.
5881         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5882         is a register variable.
5883
5884 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5885
5886         PR target/89506
5887         * config/arm/arm.md (cmpsi2_addneg): Use
5888         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5889         If operands[2] is 0 or INT_MIN, force use of subs.
5890         (*compare_scc splitter): Use gen_int_mode.
5891         (*negscc): Likewise.
5892         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5893
5894 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5895             Monk Chiang  <sh.chiang04@gmail.com>
5896
5897         * common/config/riscv/riscv-common.c: Include sstream.
5898         (riscv_subset_list::to_string): New.
5899         (riscv_arch_str): Likewise.
5900         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5901         * config.in: Regen.
5902         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5903         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5904         (riscv_emit_attribute): New.
5905         (riscv_file_start): Emit attribute if needed.
5906         (riscv_option_override): Init riscv_emit_attribute_p.
5907         * config/riscv/riscv.opt (mriscv-attribute): New option.
5908         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5909         * configure: Regen.
5910         * doc/install.texi: Document --with-riscv-attribute.
5911         * doc/invoke.texi: Document -mriscv-attribute.
5912
5913         * common/config/riscv/riscv-common.c:
5914         Include config/riscv/riscv-protos.h.
5915         (INCLUDE_STRING): Defined.
5916         (RISCV_DONT_CARE_VERSION): Defined.
5917         (riscv_subset_t): Declare.
5918         (riscv_subset_t::riscv_subset_t): New.
5919         (riscv_subset_list): Declare.
5920         (riscv_subset_list::riscv_subset_list): New.
5921         (riscv_subset_list::~riscv_subset_list): Likewise.
5922         (riscv_subset_list::parsing_subset_version): Likewise.
5923         (riscv_subset_list::parse_std_ext): Likewise.
5924         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5925         (riscv_subset_list::add): Likewise.
5926         (riscv_subset_list::lookup): Likewise.
5927         (riscv_subset_list::xlen): Likewise.
5928         (riscv_subset_list::parse): Likewise.
5929         (riscv_supported_std_ext): Likewise.
5930         (current_subset_list): Likewise.
5931         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5932         parse.
5933
5934 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5935
5936         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5937         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5938         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5939
5940 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5941
5942         PR rtl-optimization/85899
5943         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5944         fallthru edges leading to the exit block.
5945
5946 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5947
5948         PR target/89517
5949         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5950         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5951
5952 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5953
5954         PR tree-optimization/89535
5955         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5956         for each operand.  Calculate the fallback choice for mask operands
5957         and pass it to vect_get_vec_def_for_operand.
5958
5959 2019-03-01  Richard Biener  <rguenther@suse.de>
5960
5961         PR middle-end/89541
5962         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5963         get virtual operands.
5964         (get_expr_operands): Handle CONST_DECL like other decls.
5965
5966 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5967
5968         PR middle-end/89503
5969         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5970         on DECL_P and EXPR_P.
5971
5972 2019-03-01  Richard Biener  <rguenther@suse.de>
5973
5974         PR middle-end/89497
5975         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5976         argument, defaulted to zero.
5977         * passes.c (execute_function_todo): Pass down SSA update flags
5978         to cleanup_tree_cfg.
5979         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5980         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5981         form if requested.
5982         (cleanup_tree_cfg): Get and pass down SSA update flags.
5983
5984 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5985
5986         PR bootstrap/89539
5987         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5988         early_lto_debug argument.
5989
5990 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5991
5992         PR tree-optimization/89536
5993         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5994         only whether bit #0 of the value is 0 instead of the entire value.
5995
5996 2019-02-28  Marek Polacek  <polacek@redhat.com>
5997
5998         PR c++/87068 - missing diagnostic with fallthrough statement.
5999         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6000         at the end of a seq, save its location to walk_stmt_info.
6001         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6002         a switch.
6003
6004 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6005
6006         PR lto/88585
6007         * tree.c (find_atomic_core_type): Move ahead in file.
6008         (check_base_type): Correctly compare alignments of atomic types.
6009
6010 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6011
6012         PR target/89455
6013         * config/i386/i386.c (get_builtin_code_for_version): Identify
6014         Westmere from PCLMUL, instead of AES.
6015
6016 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6017
6018         PR target/89434
6019         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6020         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6021         -UINTVAL (...).
6022
6023 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6024
6025         PR target/88530
6026         * config/aarch64/aarch64-option-extensions.def: Document it.
6027         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6028         if empty hwcaps.
6029
6030 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6031
6032         PR c/89520
6033         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6034         builtins if they don't have a single scalar floating point argument.
6035         Formatting fixes.
6036
6037 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6038
6039         PR rtl-optimization/89490
6040         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6041         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6042         block section is not mergeable.
6043
6044 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6045
6046         PR target/70341
6047         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6048         old define_insn to ...
6049         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6050         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6051         Rename old define_insn to ...
6052         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6053         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6054         define_insn to ...
6055         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6056         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6057         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6058
6059 2019-02-27  Richard Biener  <rguenther@suse.de>
6060
6061         PR debug/88878
6062         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6063
6064 2019-02-27  Richard Biener  <rguenther@suse.de>
6065
6066         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6067         building.
6068
6069 2019-02-27  Richard Biener  <rguenther@suse.de>
6070
6071         PR debug/88878
6072         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6073         parameter, prefix section name with .gnu.debuglto_ if true.
6074         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6075         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6076
6077 2019-02-27  Richard Biener  <rguenther@suse.de>
6078
6079         PR debug/89514
6080         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6081         rather than on use_debug_types, doing what output_die does.
6082         (value_format): Likewise.
6083
6084 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6085             Martin Sebor  <msebor@redhat.com>
6086
6087         * doc/invoke.texi (Warning Options): Reword description of
6088         -Wno-absolute-value.
6089
6090 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6091
6092         PR tree-optimization/89280
6093         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6094         builtin_setjmp_setup_bb): New functions.
6095         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6096         When visiting __builtin_setjmp_setup block, queue in special
6097         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6098         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6099         from visited after the loop if they don't have any visited successor
6100         blocks.
6101
6102 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6103
6104         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6105         New function.
6106         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6107
6108 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6109
6110         PR c++/89507
6111         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6112         with types other than sizetype/ssizetype.
6113
6114 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6115
6116         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6117         (enum sparc_processor_type): ...this.
6118         (enum sparc_code_model_type): New enumeration type.
6119         (enum sparc_memory_model_type): Tweak comments.
6120         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6121         (mtune): Likewise.
6122         (mcmodel): Use sparc_code_model enumeration and variable.
6123         (sparc_code_model): New enumeration.
6124         (mdebug): Add Undocumented marker.
6125         * config/sparc/sparc.h (enum cmodel): Delete.
6126         (sparc_cmodel): Likewise.
6127         (TARGET_CM_MEDLOW): Adjust to above renaming.
6128         (TARGET_CM_MEDMID): Likewise.
6129         (TARGET_CM_MEDANY): Likewise.
6130         (TARGET_CM_EMBMEDANY): Likewise.
6131         * config/sparc/sparc.c (sparc_cmodel): Delete.
6132         (sparc_option_override): Remove string/value mapping support for the
6133         code model.  Move code and memory model support to after the handling
6134         of target flags.  Do private machine setup last.
6135         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6136         (sparc_legitimize_reload_address): Likewise.
6137         (sparc_output_mi_thunk): Likewise.
6138         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6139
6140 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6141
6142         PR tree-optimization/89500
6143         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6144         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6145         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6146         cst if the first cst bytes starting at x are known to be non-zero,
6147         even if the string is not zero terminated.  Don't try to modify
6148         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6149         we can prove strnlen returns the same value as strlen would.
6150
6151 2019-02-26  Martin Liska  <mliska@suse.cz>
6152
6153         * alloc-pool.h (struct pool_usage): Remove extra
6154         print_dash_line.
6155         * bitmap.h (struct bitmap_usage): Likewise.
6156         * ggc-common.c (struct ggc_usage): Likewise.
6157         * mem-stats.h (struct mem_usage): Likewise.
6158         (mem_alloc_description::dump): Print dash lines
6159         here and repeat header at the end of a table report.
6160         It's then more readable.
6161         * tree-phinodes.c (phinodes_print_statistics): Make
6162         horizontal alignment.
6163         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6164         * vec.c (struct vec_usage): Remove extra print_dash_line.
6165         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6166
6167 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6168
6169         * doc/extend.texi (__builtin_object_size):
6170         Use @pxref instead of @xref inside parenthesis.
6171         (__builtin_has_attribute): Add missing comma after @xref.
6172         (__builtin_object_size): Ditto.
6173         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6174         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6175         in the list.
6176
6177 2019-02-26  Jeff Law  <law@redhat.com>
6178
6179         PR rtl-optimization/87761
6180         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6181         detect obviously dead insns and delete them.
6182
6183 2019-02-26  Richard Biener  <rguenther@suse.de>
6184
6185         PR tree-optimization/89505
6186         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6187         to handle restrict pointed-to vars with multiple subvars
6188         correctly.
6189
6190 2019-02-26  Richard Biener  <rguenther@suse.de>
6191
6192         PR tree-optimization/89489
6193         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6194
6195 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6196
6197         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6198         and move around comment.
6199         <BIT_AND_EXPR>: Likewise.
6200         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6201
6202 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6203
6204         PR target/89474
6205         * config/i386/i386.c (remove_partial_avx_dependency): Call
6206         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6207         after changing possibly many instructions to use that pseudo.  Fix up
6208         insertion of v4sf_const0 setter at the start of bb.
6209
6210 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6211
6212         PR c/80409
6213         * doc/extend.texi (Variadic Pointer Args): New section.
6214
6215 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6216             Martin Sebor  <msebor@gmail.com>
6217
6218         * common.opt (Wattribute-alias): Likewise.
6219         * doc/invoke.texi (Option Summary): List general form of
6220         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6221         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6222         Add cross-references.
6223         (-Wattribute-alias): Rewrite and correct default.  Mention
6224         considered attributes (same as for -Wmissing-attributes).
6225
6226 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6227
6228         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6229         (_mm_cvtpd_ps): Likewise.
6230         (_mm_cvttpd_epi32): Likewise.
6231
6232         PR target/89338
6233         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6234         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6235
6236         PR target/89339
6237         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6238
6239 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6240
6241         PR target/88530
6242         * common/config/aarch64/aarch64-common.c
6243         (struct aarch64_option_extension): Add is_synthetic.
6244         (all_extensions): Use it.
6245         (TARGET_OPTION_INIT_STRUCT): Define hook.
6246         (struct gcc_targetm_common): Moved to end.
6247         (all_extensions_by_on): New.
6248         (opt_ext_cmp, typedef opt_ext): New.
6249         (aarch64_option_init_struct): New.
6250         (aarch64_contains_opt): New.
6251         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6252         * config/aarch64/aarch64-option-extensions.def
6253         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6254         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6255         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6256         Set is_synthetic to false.
6257         (crypto): Set is_synthetic to true.
6258         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6259         SYNTHETIC.
6260
6261 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6262
6263         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6264         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6265         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6266         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6267         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6268         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6269         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6270         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6271         Rename ...
6272         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6273         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6274         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6275         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6276         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6277         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6278         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6279         vfmlsl_laneq_high_f16): ... To this.
6280         * config/arm/neon.md: Update comments.
6281
6282 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6283
6284         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6285         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6286         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6287         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6288         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6289         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6290         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6291         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6292         Rename ...
6293         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6294         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6295         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6296         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6297         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6298         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6299         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6300         vfmlslq_laneq_high_f16): ... To this.
6301
6302 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6303
6304         PR rtl-optimization/86096
6305         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6306         comparing mw_order values.
6307
6308 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6309
6310         PR target/89434
6311         * config/arm/arm.md (*subsi3_carryin_const): Use
6312         arm_neg_immediate_operand predicate instead of
6313         arm_not_immediate_operand, "L" constraint instead of "K" and
6314         print it using %n2 instead of %B2.
6315         (*subsi3_carryin_const0): New define_insn.
6316         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6317         instead of arm_not_operand and "I" constraint instead of "K" and
6318         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6319         another match_operand and in the condition check that it is negation
6320         of operands[2].
6321         (*subsi3_carryin_compare_const0): New define_ins.
6322         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6323         *subsi3_carryin_const.
6324         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6325         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6326
6327         PR target/89438
6328         * config/arm.vfp.md (*negdf2_vfp): Use
6329         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6330         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6331
6332 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6333
6334         PR rtl-optimization/89445
6335         * simplify-rtx.c (simplify_ternary_operation): Don't use
6336         simplify_merge_mask on operands that may trap.
6337         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6338         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6339         second operand is CONST_VECTOR, check if any element could be zero.
6340         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6341         their operands can trap.
6342
6343 2019-02-23  Martin Sebor  <msebor@redhat.com>
6344
6345         * gimple-ssa-sprintf.c (target_strtol): Rename...
6346         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6347         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6348         check for range error.
6349
6350 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6351
6352         PR driver/69471
6353         * opts-common.c (prune_options): Also prune joined switches
6354         with Negative and RejectNegative.
6355         * config/i386/i386.opt (march=): Add Negative(march=).
6356         (mtune=): Add Negative(mtune=).
6357         * doc/options.texi: Document Negative used together with Joined
6358         and RejectNegative.
6359
6360 2019-02-22  Martin Sebor  <msebor@redhat.com>
6361
6362         * doc/extend.texi (Other Builtins): Add
6363         __builtin_is_constant_evaluated.
6364
6365 2019-02-22  Richard Biener  <rguenther@suse.de>
6366
6367         PR tree-optimization/87609
6368         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6369
6370 2019-02-22  Jeff Law  <law@redhat.com>
6371
6372         PR rtl-optimization/87761
6373         * config/mips/mips.md: Add new combiner pattern to recognize
6374         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6375
6376 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6377
6378         PR target/89324
6379         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6380         destination register in peepholes generating patterns for ADDS/SUBS.
6381         (add<mode>3_compare0,
6382         *addsi3_compare0_uxtw, add<mode>3_compareC,
6383         add<mode>3_compareV_imm, add<mode>3_compareV,
6384         *adds_<optab><ALLX:mode>_<GPI:mode>,
6385         *subs_<optab><ALLX:mode>_<GPI:mode>,
6386         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6387         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6388         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6389         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6390         sub<mode>3_compare1): Allow stack pointer for source register.
6391         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6392
6393 2019-02-22  Martin Sebor  <msebor@redhat.com>
6394
6395         PR tree-optimization/88993
6396         PR tree-optimization/88853
6397         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6398         New helper.
6399         (sprintf_dom_walker::call_info::is_string_func): New helper.
6400         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6401         for formatted string functions.
6402         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6403
6404 2019-02-22  Martin Sebor  <msebor@redhat.com>
6405
6406         PR c/89425
6407         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6408         unreachable subexpressions.
6409
6410 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6411             Hongtao Liu  <hongtao.liu@intel.com>
6412             Sunil K Pandey  <sunil.k.pandey@intel.com>
6413
6414         PR target/87007
6415         * config/i386/i386-passes.def: Add
6416         pass_remove_partial_avx_dependency.
6417         * config/i386/i386-protos.h
6418         (make_pass_remove_partial_avx_dependency): New.
6419         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6420         New function.
6421         (pass_data_remove_partial_avx_dependency): New.
6422         (pass_remove_partial_avx_dependency): Likewise.
6423         (make_pass_remove_partial_avx_dependency): Likewise.
6424         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6425         (*extendsfdf2): Add avx_partial_xmm_update.
6426         (truncdfsf2): Likewise.
6427         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6428         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6429
6430 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6431
6432         PR middle-end/85598
6433         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6434         analysis for pass.
6435
6436 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6437
6438         PR target/89444
6439         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6440         (PTA_SKYLAKE): Add PTA_AES.
6441         (PTA_GOLDMONT): Likewise.
6442
6443 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6444
6445         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6446         instruction if enabled.
6447         (aarch64_override_options): Remove reference to return address key.
6448
6449 2019-02-22  Richard Biener  <rguenther@suse.de>
6450
6451         PR tree-optimization/89440
6452         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6453         not necessary assert.
6454
6455 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6456
6457         PR fortran/72741
6458         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6459         (oacc_replace_fn_attrib_attr): ... this new function.
6460         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6461         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6462
6463 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6464
6465         * config/arm/arm-cpus.in (ares): Rename to...
6466         (neoverse-n1): ... This.  Add ares as alias.
6467         * config/arm/arm-tables.opt: Regenerate.
6468         * config/arm/arm-tune.md: Likewise.
6469         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6470
6471 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6472
6473         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6474         * config/aarch64/aarch64-tune.md: Regenerate.
6475         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6476
6477 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6478
6479         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6480         (neoversen1_tunings): ... This.
6481         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6482         (neoverse-n1): New CPU.
6483         * config/aarch64/aarch64-tune.md: Regenerate.
6484         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6485
6486 2019-02-22  Richard Biener  <rguenther@suse.de>
6487
6488         PR middle-end/87609
6489         * cfghooks.h (dependence_hash): New typedef.
6490         (struct copy_bb_data): New type.
6491         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6492         (duplicate_block): Likewise.
6493         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6494         (copy_bbs): Create and pass down copy_bb_data.
6495         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6496         (rtl_duplicate_bb): Likewise.
6497         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6498         remap dependence info.
6499
6500 2019-02-22  Richard Biener  <rguenther@suse.de>
6501
6502         PR tree-optimization/87609
6503         * tree-core.h (tree_base): Document special clique values.
6504         * tree-inline.c (remap_dependence_clique): Do not use the
6505         special clique value of one.
6506         (maybe_set_dependence_info): Use clique one.
6507         (clear_dependence_clique): New callback.
6508         (compute_dependence_clique): Clear clique one from all refs
6509         before assigning it (again).
6510
6511 2019-02-21  Martin Sebor  <msebor@redhat.com>
6512
6513         * doc/extend.texi (__clear_cache): Correct signature.
6514
6515 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6516
6517         PR go/89170
6518         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6519         than output_constant_def.
6520         (add_constant_to_table): New static function.
6521         (output_constant_def): Call add_constant_to_table.
6522         (tree_output_constant_def): Likewise.
6523
6524 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6525
6526         PR c++/89285
6527         * builtins.c (fold_builtin_arith_overflow): If first two args are
6528         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6529         to ifn.
6530
6531 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6532
6533         PR target/87412
6534         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6535         error for -mindirect-branch/-mfunction-return with incompatible
6536         -fcf-protection.
6537
6538 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6539
6540         PR bootstrap/88714
6541         * constraints.md (q): Remove.
6542         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6543         instead of q.
6544
6545 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6546
6547         PR hsa/89302
6548         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6549         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6550         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6551         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6552         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6553         proper values to new parameters of omp_adjust_for_condition.
6554
6555 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6556
6557         PR middle-end/89412
6558         * expr.c (expand_assignment): If result is a MEM, use change_address
6559         instead of simplify_gen_subreg.
6560
6561 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6562             David Malcolm  <dmalcolm@redhat.com>
6563
6564         PR middle-end/89091
6565         * fold-const.c (decode_field_reference): Return NULL_TREE if
6566         lang_hooks.types.type_for_size returns NULL.  Check it before
6567         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6568
6569 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6570
6571         PR middle-end/88074
6572         PR middle-end/89415
6573         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6574         buggy mpc_norm.
6575
6576 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6577
6578         PR target/89397
6579         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6580         TARGET_SSE in addition to TARGET_SSE_MATH.
6581
6582         (ix86_excess_precision): Ditto.
6583         (ix86_float_exceptions_rounding_supported_p): Ditto.
6584         (use_rsqrt_p): Ditto.
6585         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6586
6587 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6588
6589         PR c/89410
6590         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6591         linenum_arith_t when determining if two adjacent line spans are
6592         close enough to merge.
6593         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6594         lines within each line_span.
6595
6596 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6597
6598         PR target/86487
6599         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6600         paradoxical SUBREGS.
6601
6602 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6603
6604         PR target/88100
6605         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6606         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6607         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6608         range checking it.
6609
6610 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6611
6612         * config/gcn/gcn.c (print_operand): Fix typo.
6613
6614 2019-02-19  Richard Biener  <rguenther@suse.de>
6615
6616         PR middle-end/88074
6617         * toplev.c (do_compile): Initialize mpfr's exponent range
6618         based on available float modes.
6619
6620 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6621
6622         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6623         as long as the epilogue isn't completed.
6624
6625 2019-02-18  Martin Sebor  <msebor@redhat.com>
6626
6627         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6628         __has_cpp_attribute, and __has_include.
6629
6630 2019-02-18  Martin Sebor  <msebor@redhat.com>
6631
6632         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6633
6634 2019-02-18  Martin Sebor  <msebor@redhat.com>
6635
6636         PR middle-end/89294
6637         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6638         expression.
6639         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6640
6641 2019-02-18  Richard Biener  <rguenther@suse.de>
6642
6643         PR tree-optimization/89296
6644         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6645         of no-warning flag to cases that might emit the bogus warning.
6646
6647 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6648
6649         PR bootstrap/88714
6650         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6651         "q" constraint.
6652         * config/arm/vfp.md (*movdi_vfp): Likewise.
6653         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6654         "q" constraint for operands[0].
6655
6656         PR target/89369
6657         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6658         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6659         pattern in a temporary buffer.
6660         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6661         than 64-operands[2].
6662
6663         PR target/89361
6664         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6665         s390_indirect_branch_settings): Define unconditionally.
6666         (s390_set_current_function): Likewise, but guard the whole body except
6667         the s390_indirect_branch_settings call with
6668         #if S390_USE_TARGET_ATTRIBUTE.
6669         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6670
6671         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6672         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6673         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6674         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6675         HOST_WIDE_INT_1U instead of 1ULL.
6676         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6677         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6678         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6679         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6680         instead of 1UL.
6681         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6682         instead of 1ul.
6683
6684 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6685
6686         PR tree-optimization/89209
6687         * tree-sra.c (create_access_replacement): New optional parameter
6688         reg_tree.  Use it as a type if non-NULL and access type is not of
6689         a register type.
6690         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6691         to create_access_replacement.
6692         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6693         Check lacc is non-NULL before attempting to re-create it on the RHS.
6694
6695 2019-02-18  Martin Liska  <mliska@suse.cz>
6696
6697         PR ipa/89306
6698         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6699         by default.
6700         (symbol_table::free_edge): Recycle m_summary_id.
6701         * cgraph.h (get_summary_id): New.
6702         (symbol_table::release_symbol): Set m_summary_id to -1
6703         by default.
6704         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6705         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6706         function_summary to fast_function_summary.
6707         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6708         * ipa-pure-const.c (class funct_state_summary_t):
6709         Switch from function_summary to fast_function_summary.
6710         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6711         (class ipa_ref_opt_summary_t): Switch from function_summary
6712         to fast_function_summary.
6713         * symbol-summary.h (class function_summary_base): New class
6714         that is created from base of former function_summary.
6715         (function_summary_base::unregister_hooks): New.
6716         (class function_summary): Inherit from function_summary_base.
6717         (class call_summary_base): New class
6718         that is created from base of former call_summary.
6719         (class call_summary): Inherit from call_summary_base.
6720         (struct is_same): New.
6721         (class fast_function_summary): New summary class.
6722         (class fast_call_summary): New summary class.
6723         * vec.h (vec_safe_grow_cleared): New function.
6724
6725 2019-02-18  Martin Liska  <mliska@suse.cz>
6726
6727         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6728         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6729         * doc/tm.texi: Document new target hook.
6730         * doc/tm.texi.in: Likewise.
6731         * target.def: Add new target macro.
6732         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6733         suffixes.
6734
6735 2019-02-17  Alan Modra  <amodra@gmail.com>
6736
6737         PR target/89271
6738         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6739         output reg on add insn.
6740         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6741
6742 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6743
6744         PR target/89372
6745         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6746         (PMULHRSW): Likewise.
6747         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6748         TARGET_AVX2.
6749         (ssse3_pmulhrswv4hi3): New expander.
6750
6751 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6752
6753         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6754         MMX.  Add isa attribute.
6755
6756 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6757
6758         PR rtl-optimization/66152
6759         * builtins.h (c_readstr): Declare.
6760         * builtins.c (c_readstr): Remove forward declaration.  Add
6761         null_terminated_p argument, if false, read all bytes from the
6762         string instead of stopping after '\0'.
6763         * expr.c (string_cst_read_str): New function.
6764         (store_expr): Use string_cst_read_str instead of
6765         builtin_strncpy_read_str.  Try to store by pieces the whole
6766         exp_len first, and only if that fails, split it up into
6767         store by pieces followed by clear_storage.  Formatting fix.
6768
6769         * config/i386/i386.md (*movqi_internal): Remove static from
6770         buf variable.  Use output_asm_insn (buf, operands); return "";
6771         instead of return buf;.
6772         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6773         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6774         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6775
6776 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6777
6778         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6779         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6780         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6781         (CC1_SPEC): Likewise.
6782         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6783
6784 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6785
6786         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6787         the base address on 64-bit strict-alignment platforms.
6788
6789 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6790
6791         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6792
6793 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6794
6795         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6796
6797 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6798
6799         PR rtl-optimization/88308
6800         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6801         on copied instruction.
6802
6803 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6804
6805         * final.c (insn_current_reference_address): Replace test on JUMP_P
6806         with test on jump_to_label_p.
6807         * config/visium/visium-passes.def: New file.
6808         * config/visium/t-visium (PASSES_EXTRA): Define.
6809         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6810         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6811         (TRAMPOLINE_ALIGNMENT): Define.
6812         * config/visium/visium.c (visium_option_override): Do not register
6813         the machine-specific reorg pass here.
6814         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6815         for the GR6.
6816         (output_branch): Adjust threshold for long branch instruction.
6817         * config/visium/visium.md (cpu): Move around.
6818         (length): Adjust for the GR6.
6819
6820 2019-02-15  Richard Biener  <rguenther@suse.de>
6821             Jakub Jelinek  <jakub@redhat.com>
6822
6823         PR tree-optimization/89278
6824         * tree-loop-distribution.c: Include tree-eh.h.
6825         (generate_memset_builtin, generate_memcpy_builtin): Call
6826         rewrite_to_non_trapping_overflow on builtin->size before passing it
6827         to force_gimple_operand_gsi.
6828
6829 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6830
6831         PR other/89342
6832         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6833         optimize_debug.
6834         * opth-gen.awk: Likewise.
6835
6836 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6837
6838         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6839         Enable MMX, SSE and SSE2 by default.
6840         * config/i386/i386.c (ix86_option_override_internal): Do not
6841         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6842
6843 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6844
6845         PR rtl-optimization/89354
6846         * combine.c (make_extraction): Punt if extraction_mode is narrower
6847         than len bits.
6848
6849 2019-02-14  Maya Rashish  <coypu@sdf.org>
6850
6851         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6852         * config/netbsd-d.c: New file.
6853         * config/t-netbsd: Add netbsd-d.o
6854
6855 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6856
6857         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6858         affects_type_identity to true for aarch64_vector_pcs.
6859         (aarch64_comp_type_attributes): New function.
6860         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6861
6862 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6863
6864         PR target/88850
6865         * config/arm/iterators.md (ANY64): Add V4HF.
6866
6867 2019-02-14  Martin Liska  <mliska@suse.cz>
6868
6869         PR rtl-optimization/89242
6870         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6871         process a transformation.
6872
6873 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6874
6875         PR tree-optimization/89314
6876         * fold-const.c (fold_binary_loc): Cast strlen argument to
6877         const char * before dereferencing it.  Formatting fixes.
6878
6879         PR middle-end/89284
6880         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6881
6882 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6883
6884         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6885         and set current index for other optimizations.
6886
6887 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6888
6889         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6890         nonimmediate_operand as operand 2 predicate.
6891         (vec_set<VF2_512_256:mode>_0): Ditto.
6892         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6893         (*vec_concatv2si): Remove alternative 2.
6894         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6895         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6896         (vec_concatv2di): Split alternatives 4,5,6 to ...
6897         (*vec_concatv2di_0) ... new pattern.
6898
6899 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6900
6901         PR target/89190
6902         * config/arm/arm.c (ldm_stm_operation_p) Set
6903         addr_reg_in_reglist correctly for first register.
6904         (load_multiple_sequence): Remove dead base check.
6905         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6906
6907 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6908
6909         PR target/88847
6910         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6911         Expose as @aarch64_pred_mov.
6912         * config/aarch64/aarch64.c (aarch64_classify_address):
6913         Use expand_insn which legitimizes operands.
6914
6915 2019-02-13  Martin Liska  <mliska@suse.cz>
6916
6917         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6918         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6919         and pointer_offset fields.
6920         (initialize_argument_information): Remove usage of dead
6921         fields.
6922         * cgraph.h (struct cgraph_thunk_info): Remove
6923         add_pointer_bounds_args.
6924         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6925         fields.
6926         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6927         fields.
6928         * config/i386/i386.c (ix86_function_arg_advance): Remove
6929         unrelated comment.
6930         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6931         (def_builtin):  Remove usage of dead
6932         fields.
6933         (ix86_add_new_builtins): Likewise.
6934         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6935         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6936         (sem_function::init): Likewise.
6937         (sem_variable::merge): Likewise.
6938         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6939         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6940         * lto-cgraph.c (lto_output_node): Likewise.
6941         (lto_output_varpool_node): Likewise.
6942         (input_node): Likewise.
6943         (input_varpool_node): Likewise.
6944         * lto-streamer-out.c (lto_output): Likewise.
6945         * tree-inline.c (expand_call_inline): Remove usage of
6946         assign_stmts.
6947         * tree-inline.h (struct copy_body_data): Likewise.
6948         * varpool.c (varpool_node::dump): Likewise.
6949
6950 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6951
6952         PR middle-end/89303
6953         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6954         into pt->vars_contains_escaped_heap instead of setting
6955         pt->vars_contains_escaped_heap to it.
6956
6957         PR middle-end/89281
6958         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6959         INTVAL (size), compare it to GET_MODE_MASK instead of
6960         1 << GET_MODE_BITSIZE.
6961
6962         PR target/89290
6963         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6964         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6965         -mcmodel=large.
6966
6967 2019-02-13  Martin Liska  <mliska@suse.cz>
6968
6969         PR lto/88858
6970         * cfgrtl.c (remove_barriers_from_footer): New function.
6971         (try_redirect_by_replacing_jump): Use it.
6972         (cfg_layout_redirect_edge_and_branch): Likewise.
6973
6974 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6975
6976         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6977         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6978         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6979         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6980         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6981         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6982         New BU_CRYPTO_2.
6983         * config/rs6000/rs6000.c (builtin_function_type)
6984         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6985         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6986         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6987         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6988         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6989
6990 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6991
6992         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6993         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6994
6995 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6996
6997         PR target/89229
6998         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6999         268678 and revision 268657.
7000         (*movti_internal): Likewise.
7001
7002 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7003
7004         PR target/89233
7005         * config/s390/s390.c (s390_decompose_address): Update comment.
7006         (s390_check_qrst_address): Reject invalid address forms after
7007         LRA.
7008
7009 2019-02-12  Martin Liska  <mliska@suse.cz>
7010
7011         PR lto/88876
7012         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7013         we need default values of funct_state for a function that
7014         is not optimized.
7015
7016 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7017
7018         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7019         the object to pick the size of stores on strict-alignment platforms.
7020
7021         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7022         (*movdi_insn_sp32): Likewise.
7023         (*movdi_insn_sp64): Likewise.
7024
7025 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7026
7027         PR lto/88677
7028         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7029         types that needs constructiong.
7030         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7031
7032 2019-02-12  Richard Biener  <rguenther@suse.de>
7033
7034         PR tree-optimization/89253
7035         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7036         duplicate the loop.
7037
7038 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7039
7040         PR lto/88147
7041         * input.c (selftest::test_line_offset_overflow): New selftest.
7042         (selftest::input_c_tests): Call it.
7043
7044 2019-02-11  Martin Sebor  <msebor@redhat.com>
7045
7046         PR tree-optimization/88771
7047         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7048         when -Wstringop-overflow is set.
7049         (builtin_memref::builtin_memref): Adjust excessive upper bound
7050         only when lower bound is not excessive.
7051         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7052         -Wstringop-ovefflow.
7053         (maybe_diag_offset_bounds): Rename...
7054         (maybe_diag_access_bounds): ...to this.
7055         (check_bounds_or_overlap): Adjust for name change above.
7056
7057 2019-02-11  Martin Sebor  <msebor@redhat.com>
7058
7059         PR c++/87996
7060         * builtins.c (max_object_size): Move from here...
7061         * builtins.h (max_object_size): ...and here...
7062         * tree.c (max_object_size): ...to here...
7063         * tree.h (max_object_size): ...and here.
7064
7065 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7066
7067         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7068         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7069         for correct semantics.
7070
7071 2019-02-11  Alan Modra  <amodra@gmail.com>
7072
7073         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7074         -mlongcall and -mpltseq.
7075         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7076         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7077         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7078         * config/rs6000/sysv4.opt (mpltseq): New option.
7079         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7080         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7081         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7082         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7083         -mpltseq given for ELFv1.
7084         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7085         Only use UNSPEC_PLTSEQ for inline PLT calls.
7086         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7087         use UNSPEC_PLTSEQ for inline PLT calls.
7088         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7089         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7090         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7091         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7092         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7093         (pltseq_mtctr_<mode>): Likewise.
7094
7095 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7096
7097         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7098         Solaris ld.
7099         * configure: Regenerate.
7100
7101 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7102
7103         PR bootstrap/88714
7104         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7105         instead of r.
7106
7107 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7108
7109         * function.c (assign_parm_setup_block): Use the stored
7110         size, not the passed size, when allocating stack-space,
7111         also for a parameter with alignment larger than
7112         MAX_SUPPORTED_STACK_ALIGNMENT.
7113
7114 2019-02-11  Martin Liska  <mliska@suse.cz>
7115
7116         PR ipa/89009
7117         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7118         * ipa-inline.c (inline_small_functions): Likewise.
7119         * ipa-pure-const.c (propagate_pure_const): Likewise.
7120         (propagate_nothrow): Likewise.
7121         * ipa-reference.c (propagate): Likewise.
7122         * ipa-utils.c (struct searchc_env): Remove unused field.
7123         (searchc): Always search across AVAIL_INTERPOSABLE.
7124         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7125         the only called IPA pure const can properly not propagate
7126         across interposable boundary.
7127         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7128
7129 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7130
7131         * config/nds32/nds32.md (call_internal, call_value_internal,
7132         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7133
7134 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7135
7136         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7137         typo.
7138
7139 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7140
7141         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7142         in comments
7143
7144 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7145
7146         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7147
7148 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7149
7150         PR tree-optimization/89268
7151         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7152         if preds is non-NULL.
7153
7154 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7155
7156         PR lto/89272
7157         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7158         polymorphic types.
7159
7160 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7161
7162         * config/nds32/nds32.md (trap): New pattern.
7163
7164 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7165
7166         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7167         dwarf span.
7168
7169 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7170
7171         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7172         to split POST_INC.
7173
7174 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7175
7176         * ipa-visibility.c (localize_node): Also do not localize
7177         LDPR_PREVAILING_DEF_IRONLY_EXP.
7178
7179 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7180
7181         PR lto/87957
7182         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7183         instead of type_with_linkage.
7184
7185 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7186
7187         PR ipa/88755
7188         * params.def (uninlined-function-insns, uninlined-function-time,
7189         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7190         bound so we don't get overflows.
7191
7192 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7193
7194         * config/rs6000/rs6000-string.c (expand_compare_loop,
7195         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7196         memcmp/strncmp.
7197
7198 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7199
7200         PR middle-end/89246
7201         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7202         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7203         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7204
7205 2019-02-09  Alan Modra  <amodra@gmail.com>
7206
7207         PR target/88343
7208         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7209         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7210         setup.
7211
7212 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7213
7214         PR middle-end/88560
7215         * lra-constraints.c (process_alt_operands): Don't increase reject
7216         for memory when offset memory is required.
7217
7218 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7219
7220         * config/s390/vector.md: Implement vector copysign.
7221
7222 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7223
7224         * expr.c (expand_constructor): Correct indentations.
7225
7226 2019-02-08  Richard Biener  <rguenther@suse.de>
7227
7228         PR tree-optimization/89247
7229         * tree-if-conv.c: Include tree-cfgcleanup.h.
7230         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7231         (tree_if_conversion): Pass through predicate vector.
7232         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7233         inline, see if any if-converted loops we refrece in
7234         LOOP_VECTORIZED calls vanished and fixup.
7235         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7236
7237 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7238
7239         * config/s390/constraints.md (jdd): New constraint.
7240
7241 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7242
7243         PR target/89229
7244         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7245         upper 16 vector registers without TARGET_AVX512VL.
7246         (*movti_internal): Likewise.
7247
7248 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7249
7250         PR rtl-optimization/89234
7251         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7252         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7253         (copy_reg_eh_region_note_backward): Likewise.
7254
7255 2019-02-08  Richard Biener  <rguenther@suse.de>
7256
7257         PR middle-end/89223
7258         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7259         doesn't fit in HWI.
7260         (analyze_subscript_affine_affine): Handle failure from
7261         initialize_matrix_A.
7262
7263 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7264
7265         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7266         cfun everywhere.
7267
7268 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7269
7270         PR tree-optimization/86637
7271         PR tree-optimization/89235
7272         * tree-vect-loop.c (optimize_mask_stores): Add an
7273         auto_purge_vect_location sentinel to ensure that vect_location is
7274         purged on exit.
7275         * tree-vectorizer.c
7276         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7277         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7278         to ensure that vect_location is purged on exit.
7279         (pass_slp_vectorize::execute): Likewise, replacing the manual
7280         reset.
7281         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7282
7283 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7284
7285         * config/aarch64/iterators.md (max_opp): New code_attr.
7286         (USMAX): New code iterator.
7287         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7288         (aarch64_smax): Likewise.
7289         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7290         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7291         MINUS (MAX MIN).
7292
7293 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7294
7295         PR target/89229
7296         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7297         for TARGET_AVX512VL.
7298         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7299
7300 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7301
7302         * config/s390/s390-builtin-types.def: Add new types.
7303         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7304         (s390_vec_xlw4): Make the memory operand into a const pointer.
7305         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7306         float.
7307         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7308         a new vector type with the alignment of the scalar memory operand.
7309
7310 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7311             Jakub Jelinek  <jakub@redhat.com>
7312
7313         PR bootstrap/88714
7314         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7315         arm_count_ldrdstrd_insns): New declarations.
7316         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7317         MINUS.
7318         (valid_operands_ldrd_strd): New function.
7319         (arm_count_ldrdstrd_insns): New function.
7320         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7321         sets instead of single DImode set and define new insns to match this.
7322
7323 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7324
7325         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7326         Make it a C initializer.
7327
7328 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7329
7330         PR/target 88850
7331         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7332
7333 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7334
7335         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7336         Use neon_dot<q> for type.
7337         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7338
7339 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7340
7341         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7342         Use neon_dot<q> for type.
7343         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7344         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7345
7346 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7347
7348         PR rtl-optimization/89225
7349         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7350         sizes check.
7351
7352 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7353
7354         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7355         after restoring registers saved to allocate the frame on Windows.
7356
7357 2019-02-06  Richard Biener  <rguenther@suse.de>
7358
7359         PR tree-optimization/89182
7360         * graphite.h (cached_scalar_evolution_in_region): Declare.
7361         * graphite.c (struct seir_cache_key): New.
7362         (struct sese_scev_hash): Likewise.
7363         (seir_cache): New global.
7364         (cached_scalar_evolution_in_region): New function.
7365         (graphite_transform_loops): Allocate and release seir_cache.
7366         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7367         cached_scalar_evolution_in_region.
7368         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7369         Simplify.
7370         (scop_detection::graphite_can_represent_expr: Use
7371         cached_scalar_evolution_in_region.
7372         (scop_detection::stmt_simple_for_scop_p): Likewise.
7373         (find_params_in_bb): Likewise.
7374         (gather_bbs::before_dom_children): Likewise.
7375         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7376         (add_loop_constraints): Likewise.
7377
7378 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7379
7380         PR middle-end/89210
7381         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7382         operand to new_unary_operation only if both element types are integral
7383         and it isn't a widening conversion.  Return NULL_TREE if
7384         new_unary_operation failed.
7385
7386 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7387
7388         PR target/88856
7389         * config/s390/s390.md: Remove load and test FP splitter.
7390
7391 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7392
7393         PR target/89112
7394         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7395         expand_compare_loop, expand_block_compare_gpr,
7396         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7397         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7398         #include "profile-count.h" and "predict.h" for types and functions
7399         needed to work with REG_BR_PROB notes.
7400
7401 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7402
7403         PR target/89112
7404         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7405         for the long branch case.
7406
7407 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7408
7409         PR target/89188
7410         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7411         can throw, non-call exceptions are enabled and we can't delete
7412         dead exceptions or alter cfg.  Set must_clean if
7413         delete_insn_and_edges returns true, don't set it blindly for calls.
7414         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7415
7416         PR rtl-optimization/89195
7417         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7418         of the original MEM.
7419
7420 2019-02-05  Martin Liska  <mliska@suse.cz>
7421
7422         PR gcov-profile/89000
7423         * gcov.c (function_summary): Remove argument.
7424         (file_summary): New function.
7425         (print_usage): Replace tabs with spaces.
7426         (generate_results): Use new function file_summary.
7427
7428 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7429
7430         PR target/89186
7431         * optabs.c (prepare_cmp_insn): Pass x and y to
7432         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7433
7434 2019-02-05  Richard Biener  <rguenther@suse.de>
7435
7436         PR middle-end/89150
7437         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7438         (struct bitmap_element): Drop chain_prev so we properly recurse on
7439         the prev member, supporting tree views.
7440         (struct bitmap_head): GTY skip the obstack member.
7441
7442 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7443
7444         PR c/88698
7445         * doc/extend.texi (Vector Extensions): Add an example of using vector
7446         types together with x86 intrinsics.
7447
7448 2019-02-04  Alan Modra  <amodra@gmail.com>
7449
7450         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7451         str[] size to 160, and comment.
7452
7453 2019-02-04  Alan Modra  <amodra@gmail.com>
7454
7455         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7456         (rs6000_pltseq_template): Guard output of TLS markers with
7457         TARGET_TLS_MARKERS.
7458         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7459         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7460         to use inline PLT sequences.
7461         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7462         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7463         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7464
7465 2019-02-04  Martin Liska  <mliska@suse.cz>
7466
7467         PR ipa/88985
7468         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7469         out when ipa_fn_summaries does not contain entry for callee.
7470
7471 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7472
7473         * config/sparc/sparc.h: Remove superfluous blank lines.
7474         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7475         (got_register_rtx): ...this.
7476         (sparc_got): Adjust to above renaming.
7477         (sparc_tls_got): Likewise.
7478         (sparc_delegitimize_address): Likewise.
7479         (sparc_output_mi_thunk): Likewise.
7480         (sparc_init_pic_reg): Likewise.
7481         (save_local_or_in_reg_p): Fix test on the GOT register.
7482         (USE_HIDDEN_LINKONCE): Move around.
7483         (get_pc_thunk_name): Likewise.
7484         (gen_load_pcrel_sym): Likewise.
7485         (load_got_register): Likewise.
7486
7487 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7488
7489         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7490         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7491
7492 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7493
7494         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7495         into consideration.
7496
7497 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7498
7499         * config.gcc (with_nds32_lib, glibc):
7500         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7501         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7502         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7503
7504 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7505
7506         PR target/89071
7507         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7508         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7509         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7510         (*rcpsf2_sse): Ditto.
7511         (*rsqrtsf2_sse): Ditto.
7512         (sse4_1_round<mode<2): Ditto.
7513
7514 2019-02-03  Richard Biener  <rguenther@suse.de>
7515
7516         PR debug/87295
7517         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7518         orig.
7519
7520 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7521
7522         PR middle-end/87887
7523         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7524         Punt with warning on aggregate return or argument types.  Ignore
7525         type/mode checking for uniform arguments.
7526
7527 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7528
7529         * combine.c (try_combine): Do not print "Can't combine" messages unless
7530         printing failed combination attempts.
7531
7532 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7533
7534         PR hsa/87863
7535         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7536         segment and global segment variables before making them static.
7537
7538 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7539
7540         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7541         missed optimization dump with dump_enabled_p.
7542
7543 2019-02-01  Richard Biener  <rguenther@suse.de>
7544
7545         PR middle-end/88597
7546         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7547         the instantiate cache.
7548         (instantiate_scev_binary): Elide second operand procesing
7549         if equal to the first.
7550         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7551         (chrec_contains_undetermined): Likewise.
7552         (tree_contains_chrecs): Likewise.
7553
7554 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7555
7556         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7557
7558 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7559
7560         PR tree-optimization/89143
7561         * wide-int-range.h (wide_int_range_absu): Declare.
7562         * wide-int-range.cc (wide_int_range_absu): New function.
7563         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7564
7565         PR tree-optimization/88107
7566         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7567         instead of assertion that eh_region_outermost is non-NULL, if it
7568         is NULL, set *ALL to true and return NULL.
7569         (move_sese_region_to_fn): Adjust caller, if all is set, call
7570         duplicate_eh_regions with NULL region.
7571
7572 2019-02-01  Richard Biener  <rguenth@suse.de>
7573
7574         PR rtl-optimization/88593
7575         * mode-switching.c (optimize_mode_switching): Free dominators before
7576         calling cleanup_cfg.
7577
7578 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7579
7580         PR tree-optimization/88932
7581         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7582
7583 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7584
7585         PR middle-end/89137
7586         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7587         bogus clang warning.
7588
7589 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7590
7591         PR target/89071
7592         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7593         alternative to avoid partial SSE register stall for TARGET_AVX.
7594         (truncdfsf2): Ditto.
7595         (sse4_1_round<mode>2): Ditto.
7596
7597 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7598
7599         PR tree-optimization/89008
7600         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7601         process anything of the form X * 0.
7602
7603 2019-01-31  Richard Biener  <rguenther@suse.de>
7604
7605         PR tree-optimization/89135
7606         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7607         with abnormal preds.
7608
7609 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7610
7611         PR sanitizer/89124
7612         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7613         always_inline callees into no_sanitize_address callers.
7614
7615 2019-01-31  Richard Biener  <rguenther@suse.de>
7616
7617         PR rtl-optimization/89115
7618         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7619
7620 2019-01-30  Martin Sebor  <msebor@redhat.com>
7621
7622         PR other/89106
7623         * doc/extend.texi (cast to a union): Correct and expand.
7624
7625 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7626
7627         PR rtl-optimization/87246
7628         * lra-constraints.c (simplify_operand_subreg): Reload memory
7629         in subreg if the address became invalid.
7630
7631 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7632
7633         PR target/87064
7634         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7635         Disable for little-endian.
7636
7637 2019-01-30  Richard Biener  <rguenther@suse.de>
7638
7639         PR rtl-optimization/89115
7640         * opts.c (default_options_optimization): Reduce
7641         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7642         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7643         to the default.
7644
7645 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7646
7647         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7648         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7649         type of vector element when vec_extract is implemented by direct
7650         move.
7651
7652 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7653
7654         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7655
7656 2019-01-30  Richard Biener  <rguenther@suse.de>
7657
7658         PR tree-optimization/89111
7659         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7660         canonicalization to appropriately sized access types.
7661
7662 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7663
7664         PR c++/89105
7665         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7666         for arguments to functions that are TU-local and shouldn't be
7667         referenced by assembly.
7668
7669 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7670
7671         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7672         after '='.
7673
7674 2019-01-29  Martin Sebor  <msebor@redhat.com>
7675
7676         PR c/88956
7677         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7678
7679 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7680
7681         PR c++/66676
7682         PR ipa/89104
7683         * omp-simd-clone.c (simd_clone_clauses_extract)
7684         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7685         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7686
7687 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7688
7689         * config.gcc: Force .init_array for ARC.
7690
7691 2019-01-29  Richard Biener  <rguenther@suse.de>
7692
7693         PR debug/87295
7694         * dwarf2out.c (collect_skeleton_dies): New helper.
7695         (copy_decls_for_unworthy_types): Call it.
7696         (build_abbrev_table): Assert we do not try to replace
7697         DW_AT_signature refs with local refs.
7698
7699 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7700
7701         PR middle-end/89002
7702         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7703         for lastprivate/linear IV, push gimplify context around gimplify_assign
7704         and, if it needed any temporaries, pop it into a gimple bind around the
7705         sequence.
7706
7707 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7708
7709         * common.opt (-Wattribute-alias): Remove "no-" from name.
7710         Make -Wattribute-alias command line option and
7711         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7712
7713 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7714
7715         PR target/89073
7716         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7717         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7718         x86 ISA options.
7719         (bmi2): Add missing @opindex.
7720         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7721         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7722         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7723         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7724         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7725         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7726         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7727         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7728         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7729         xsavec, xsaveopt and xsaves options.
7730
7731 2019-01-28  Richard Biener  <rguenther@suse.de>
7732
7733         PR debug/89076
7734         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7735         support removal.
7736
7737 2019-01-28  Richard Biener  <rguenther@suse.de>
7738
7739         PR tree-optimization/88739
7740         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7741         BIT_FIELD_REFs only are applied to mode-precision operands
7742         when they are integral.
7743         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7744         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7745         BIT_FIELD_REFs of non-mode-precision integral operands.
7746
7747 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7748
7749         PR target/87214
7750         * config/i386/sse.md
7751         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7752         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7753         first constants in pairs are multiples of 2.  Formatting fixes.
7754         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7755         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7756         first constants in each quadruple are multiples of 4.  Formatting fixes.
7757
7758 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7759
7760         PR ipa/88933
7761         * tree-inline.c: Include tree-cfgcleanup.h.
7762         (delete_unreachable_blocks_update_callgraph): Move...
7763         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7764         ...here, make externally visible, make second argument bool, adjust
7765         all callers.
7766         * tree-cfgcleanup.c: Include cgraph.h.
7767         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7768         Declare.
7769         * ipa-prop.c: Include tree-cfgcleanup.h.
7770         (ipcp_transform_function): Call
7771         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7772
7773 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7774
7775         PR rtl-optimization/88846
7776         * ira.c (process_set_for_memref_referenced_p): New.
7777         (memref_referenced_p): Add new param.  Use
7778         process_set_for_memref_referenced_p.  Add new switch cases.
7779         (memref_used_between_p): Pass new arg to memref_referenced_p.
7780
7781 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7782
7783         PR target/88469
7784         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7785         argument ABI_BREAK.  Set to true if the calculated alignment has
7786         changed in gcc-9.  Check bit-fields for their base type alignment.
7787         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7788         (aarch64_function_arg_boundary): Likewise.
7789         (aarch64_gimplify_va_arg_expr): Likewise.
7790
7791 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7792
7793         PR middle-end/89037
7794         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7795         instead of accessing TREE_INT_CST_ELT directly.
7796
7797 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7798
7799         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7800         fenv_exceptions description.
7801
7802 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7803
7804         PR rtl-optimization/87763
7805         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7806         Allow SUBREG when matching CC_NZmode compare.
7807
7808 2019-01-25  Richard Biener  <rguenther@suse.de>
7809
7810         PR tree-optimization/89049
7811         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7812         Look at the pattern stmt to determine if the stmt is vectorized.
7813
7814 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7815
7816         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7817         (pred_mov<mode>): Handle all-register forms using both a new
7818         alternative and a split.
7819
7820 2019-01-25  Richard Biener  <rguenther@suse.de>
7821
7822         PR tree-optimization/86865
7823         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7824         Reject non-do-while loops.
7825
7826 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7827
7828         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7829         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7830         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7831         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7832         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7833         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7834         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7835         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7836         vlogical_operand, gpc_reg_operand, int_reg_operand,
7837         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7838         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7839         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7840         (save_world_operation, restore_world_operation, lmw_operation,
7841         stmw_operation): Use MEM_P and REG_P.
7842         (tie_operand): Use MEM_P.
7843         (vrsave_operation, crsave_operation): Use REG_P.
7844         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7845         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7846         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7847         (call_operand): Use HARD_REGISTER_P.
7848         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7849         Use CONST_INT_P.
7850         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7851         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7852         quad_aligned_load_p, replace_swapped_aligned_store,
7853         recombine_lvx_pattern, replace_swapped_aligned_load,
7854         recombine_stvx_pattern): Use MEM_P.
7855         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7856         Use MEM_P and SYMBOL_REF_P.
7857         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7858         (insn_is_swappable_p): Use REG_P and MEM_P.
7859         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7860         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7861         Use CONST_INT_P.
7862         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7863         Use CONST_DOUBLE_P.
7864         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7865         CONST_WIDE_INT_P.
7866         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7867         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7868         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7869         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7870         reg_or_subregno:
7871         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7872         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7873         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7874         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7875         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7876         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7877         rs6000_split_logical_di): Use CONST_INT_P.
7878         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7879         REG_P and SYMBOL_REF_P.
7880         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7881         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7882         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7883         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7884         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7885         (small_data_operand, print_operand_address): Use CONST_INT_P and
7886         SYMBOL_REF_P.
7887         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7888         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7889         Use HARD_REGISTER_NUM_P.
7890         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7891         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7892         SUBREG_P and SYMBOL_REF_P.
7893         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7894         and HARD_REGISTER_NUM_P.
7895         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7896         reg_or_subregno.
7897         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7898         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7899         MEM_P and REG_P.
7900         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7901         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7902         find_addr_reg): Use REG_P.
7903         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7904         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7905         (offsettable_ok_by_alignment, constant_pool_expr_p,
7906         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7907         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7908         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7909         rs6000_assemble_integer, create_TOC_reference,
7910         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7911         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7912         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7913         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7914         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7915         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7916         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7917         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7918         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7919         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7920         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7921         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7922         and cbranch<mode>4): Use CONST_INT_P.
7923         (multiple define_splits): Use REG_P and SUBREG_P.
7924         (define_expands call, call_value): Use MEM_P.
7925         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7926         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7927         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7928         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7929         and HARD_REGISTER_NUM_P.
7930         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7931
7932 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7933
7934         PR rtl-optimization/88948
7935         * rtl.h (prepare_copy_insn): New prototype.
7936         * gcse.c (prepare_copy_insn): New function, split out from
7937         process_insert_insn.
7938         (process_insert_insn): Use prepare_copy_insn.
7939         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7940         instead of gen_move_insn.
7941
7942 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7943
7944         PR debug/89006
7945         * config/i386/i386.c (ix86_pic_register_p): Return true for
7946         UNSPEC_SET_GOT too.
7947
7948         PR tree-optimization/88964
7949         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7950         punt if HONOR_SNANS (chrec).
7951
7952         PR middle-end/89015
7953         * tree-nested.c (convert_nonlocal_reference_stmt,
7954         convert_local_reference_stmt, convert_tramp_reference_stmt,
7955         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7956         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7957         or GIMPLE_OMP_TASK.
7958
7959         PR tree-optimization/89027
7960         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7961         for "omp simd array" variables.
7962
7963 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7964
7965         PR target/88469
7966         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7967         force the alignment of m_val.
7968
7969 2019-01-24  Richard Biener  <rguenther@suse.de>
7970
7971         PR lto/87187
7972         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7973         When in "legacy" debug mode make sure to reset self-origins.
7974
7975 2019-01-24  Martin Liska  <mliska@suse.cz>
7976
7977         PR gcov-profile/88994
7978         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7979         result will be always smaller or equal to the original.
7980         * gcov.c (mangle_name): Fix else branch where we should
7981         also copy to PTR and shift the pointer.
7982
7983 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7984
7985         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7986         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7987
7988 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
7989
7990         * common/config/i386/i386-common.c
7991         (OPTION_MASK_ISA_ENQCMD_SET,
7992         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
7993         (ix86_handle_option): Handle -menqcmd.
7994         * config.gcc (enqcmdintrin.h): New header file.
7995         * config/i386/cpuid.h (bit_ENQCMD): New bit.
7996         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
7997         -menqcmd.
7998         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
7999         function type.
8000         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8001         __builtin_ia32_enqcmds): New builtins.
8002         * config/i386/i386-c.c (__ENQCMD__): New macro.
8003         * config/i386/i386-option.c (ix86_target_string): Add
8004         -menqcmd.
8005         (ix86_valid_target_attribute_inner_p): Likewise.
8006         * config/i386/i386-expand.c
8007         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8008         IX86_BUILTIN_ENQCMDS.
8009         * config/i386/i386.h (TARGET_ENQCMD): New.
8010         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8011         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8012         (movdir64b_<mode>): Parameterize to enable share expansion code
8013         with ENQCMD in function ix86_expand_builtin.
8014         * config/i386/i386.opt: Add -menqcmd.
8015         * config/i386/immintrin.h: Include enqcmdintrin.h.
8016         * config/i386/enqcmdintrin.h: New intrinsic file.
8017         * doc/invoke.texi: Add -menqcmd.
8018
8019 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8020             Steve Ellcey <sellcey@marvell.com>
8021
8022         PR target/85711
8023         * recog.c (address_operand): Return false on wrong mode for address.
8024         (constrain_operands): Check for mode with 'p' constraint.
8025
8026 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8027
8028         PR target/88998
8029         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8030         Disparage MMX alternative.
8031         (sse2_cvtpd2pi): Ditto.
8032         (sse2_cvttpd2pi): Ditto.
8033
8034 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8035
8036         PR driver/89014
8037         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8038         use-after-free of the result of
8039         aarch64_get_extension_string_for_isa_flags.
8040
8041 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8042
8043         PR c/44715
8044         * doc/extend.texi: Document break and continue behavior in
8045         statement expressions.
8046
8047 2019-01-23  Richard Biener  <rguenther@suse.de>
8048
8049         PR tree-optimization/89008
8050         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8051         not leave another stray operand.
8052
8053 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8054
8055         * BASE-VER: Bump to 9.0.1.
8056
8057 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8058
8059         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8060         thunk that returns by reference, use the type of the return object
8061         of the thunk instead of that of the alias to build the dereference.
8062
8063 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8064
8065         * config/arc/atomic.md: Add operand to DMB instruction.
8066
8067 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8068
8069         PR tree-optimization/88964
8070         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8071         build_zero_cst instead of build_int_cst.  Return false for loop
8072         invariants which honor signed zeros.
8073
8074 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8075
8076         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8077
8078 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8079
8080         PR target/88965
8081         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8082         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8083         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8084
8085         PR middle-end/88968
8086         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8087         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8088
8089         PR target/87064
8090         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8091         Disable for little endian.
8092
8093 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8094
8095         PR target/88469
8096         * config/arm/arm.c (arm_needs_double_word_align): Check
8097         DECL_BIT_FIELD_TYPE.
8098
8099 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8100             H.J. Lu  <hongjiu.lu@intel.com>
8101
8102         PR target/88909
8103         * config/i386/i386-builtin.def: Add mask2 to all builtin
8104         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8105         SPECIAL_ARGS.
8106         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8107         (BDESC_FIRST): Likewise.
8108         (define_builtin): Add an argument for mask2.  Updated to handle
8109         both ix86_isa_flags and ix86_isa_flags2.
8110         (define_builtin_const): Likewise.
8111         (define_builtin_pure): Likewise.
8112         (define_builtin2): Deleted.
8113         (define_builtin_const2): Likewise.
8114         (builtin_description): Add a member, mask2.
8115         (bdesc_*): Add mask2 to builtin initializations.
8116         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8117         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8118         support.
8119         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8120
8121 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8122
8123         PR target/88954
8124         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8125         noplt attribute.
8126
8127 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8128
8129         PR target/88469
8130         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8131         alignment is dominated by a bitfield with 64-bit aligned base type.
8132         (arm_function_arg): Emit a warning if the alignment has changed since
8133         earlier GCC releases.
8134         (arm_function_arg_boundary): Likewise.
8135         (arm_setup_incoming_varargs): Likewise.
8136
8137 2019-01-22  Richard Biener  <rguenther@suse.de>
8138
8139         PR tree-optimization/88862
8140         * graphite-scop-detection.c
8141         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8142
8143 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8144
8145         * doc/extend.tex (AMD GCN Function Attributes): New section.
8146         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8147         * doc/invoke.texi (AMD GCN Options): New section.
8148         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8149
8150 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8151
8152         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8153         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8154
8155 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8156
8157         PR tree-optimization/88044
8158         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8159         is false in the first iteration, but !every_iteration, return false
8160         instead of true with niter->niter zero.
8161
8162         PR rtl-optimization/88904
8163         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8164         any nonequal registers before processing BB_END (b).
8165
8166         PR target/88905
8167         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8168         GET_MODE (op0).
8169         (expand_binop_directly, expand_doubleword_clz,
8170         expand_doubleword_popcount, expand_ctz, expand_ffs,
8171         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8172
8173         PR rtl-optimization/49429
8174         PR target/49454
8175         PR rtl-optimization/86334
8176         PR target/88906
8177         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8178         addressable from here...
8179         (emit_block_op_via_libcall): ... to here.
8180
8181 2019-01-22  Richard Biener  <rguenther@suse.de>
8182
8183         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8184         auto_vec for cost vector to fix memleak.
8185         (vectorize_fold_left_reduction): Properly gather SLP defs.
8186         (vectorizable_comparison): Do not swap operands to properly
8187         gather SLP defs.
8188
8189 2019-01-22  Alan Modra  <amodra@gmail.com>
8190
8191         PR target/88614
8192         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8193         stays a reg.  Allow a const_int.
8194         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8195         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8196         (IS_NOMARK_TLSGETADDR): Define.
8197         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8198         (rs6000_output_tlsargs): New function.
8199         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8200         __tls_get_addr call takes an arg.
8201         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8202         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8203         delete split..
8204         (call_value_nonlocal_sysv): ..or here, delete split.
8205         (tls_gdld_nomark): Delete.
8206         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8207         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8208         (call_value_nonlocal_sysv): Likewise.
8209         (call_value_nonlocal_sysv_secure): Likewise.
8210         (call_value_nonlocal_aix): Likewise.
8211         (call_value_indirect_aix): Likewise.
8212         (call_value_indirect_elfv2): Likewise.
8213         (call_value_local32, call_value_local64): Disable for no-mark tls.
8214         (call_value_local_aix): Likewise.
8215
8216 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8217
8218         PR target/88938
8219         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8220         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8221
8222 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8223
8224         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8225         string contents as hash_map keys.
8226
8227 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8228
8229         PR c/88928
8230         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8231         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8232         instead of TYPE_ALIGN.
8233         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8234         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8235         pointer from TYPE_STUB_DECL.
8236
8237 2019-01-21  Richard Biener  <rguenther@suse.de>
8238
8239         PR tree-optimization/88934
8240         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8241         at the possibly non-constant operand.
8242         (vect_get_constant_vectors): Adjust.
8243
8244 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8245
8246         PR target/71659
8247         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8248         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8249         instead of _X86INTRIN_H_INCLUDED.
8250         * onfig/i386/clwbintrin.h: Likewise.
8251         * config/i386/pkuintrin.h: Likewise.
8252         * config/i386/prfchwintrin.h: Likewise.
8253         * config/i386/rdseedintrin.h: Likewise.
8254         * config/i386/wbnoinvdintrin.h: Likewise.
8255         * config/i386/xsavecintrin.h: Likewise.
8256         * config/i386/xsavesintrin.h: Likewise.
8257         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8258         * config/i386/xsaveintrin.h: Likewise.
8259         * config/i386/xsaveoptintrin.h: Likewise.
8260         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8261         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8262         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8263         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8264         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8265         * config/i386/immintrin.h: Here.
8266
8267 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8268
8269         PR ipa/87615
8270         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8271         with aa_walk_budget.
8272         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8273         aa_walk_budget_p parameter.
8274         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8275         walk.  Updated all callers.
8276         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8277         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8278         unmodified_parm.
8279         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8280         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8281         and to unmodified_parm.
8282         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8283         info, updated call to will_be_nonconstant_expr_predicate.
8284         (param_change_prob): New parameter fbi, limit AA walking.
8285         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8286         calls to various above functions.
8287         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8288         parameter.  Use it to limit AA walking.
8289         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8290         fbi, limit AA walk.
8291         (detect_type_change): New parameter fbi, pass it on to
8292         detect_type_change_from_memory_writes.
8293         (detect_type_change_ssa): Likewise.
8294         (aa_overwalked): Removed.
8295         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8296         accordingly, adjust to the neew AA limiting scheme.
8297         (parm_ref_data_preserved_p): Likewise.
8298         (ipa_compute_jump_functions_for_edge): Adjust call to
8299         get_dynamic_type.
8300         (ipa_analyze_call_uses): Likewise.
8301         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8302         (ipa_analyze_node): Initialize aa_walk_budget.
8303         (ipcp_transform_function): Likewise.
8304         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8305         to get_dynamic_type.
8306
8307 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8308
8309         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8310         outside of #if CHECKING_P code.
8311
8312 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8313
8314         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8315         New function, split out from...
8316         (loop_versioning::analyze_stride): ...here.
8317         (loop_versioning::find_per_loop_multiplication): Use gassign.
8318         (loop_versioning::analyze_term_using_scevs): Return a success code.
8319         (loop_versioning::analyze_arbitrary_term): New function.
8320         (loop_versioning::analyze_address_fragment): Use
8321         analyze_arbitrary_term if all else fails.
8322
8323 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8324
8325         PR target/88892
8326         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8327         operands.
8328
8329 2019-01-18  Richard Biener  <rguenther@suse.de>
8330
8331         PR tree-optimization/88903
8332         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8333         scalar stmts a SLP shift amount is composed of when detecting
8334         shifts by scalars.
8335
8336 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8337
8338         PR target/88799
8339         * config/arm/arm-cpus.in (mp): New feature.
8340         (sec): New feature.
8341         (fgroup ARMv7ve): Add mp and sec features.
8342         (arch armv7-a): Add options to allow mp and sec extensions.
8343         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8344         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8345         extenstions to the base architecture.
8346         (cpu cortex-a8): Add sec extension to the base architecture.
8347         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8348         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8349         variants down to the base v7-a varaint.
8350         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8351         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8352         of permitted extensions for -march=armv7-a and for
8353         -mcpu=generic-armv7-a.
8354
8355 2019-01-18  Martin Liska  <mliska@suse.cz>
8356
8357         * params.def: Fix comment.
8358         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8359         name.
8360         (gimple_gen_ic_func_profiler): Likewise.
8361
8362 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8363
8364         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8365         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8366         and put in error checks for stack protector guard options.
8367         (aarch64_stack_protect_guard): New.
8368         (TARGET_STACK_PROTECT_GUARD): Define.
8369         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8370         (reg_stack_protect_address<mode>): New.
8371         (stack_protect_set): Adjust for SSP_GLOBAL.
8372         (stack_protect_test): Likewise.
8373         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8374         (-mstack-protector-guard): Likewise.
8375         (-mstack-protector-guard-offset): Likewise.
8376
8377 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8378
8379         PR tree-optimization/86214
8380         * tree-inline.h (struct copy_body_data): Add
8381         add_clobbers_to_eh_landing_pads member.
8382         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8383         (copy_edges_for_bb): Call it if EH edge destination is <
8384         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8385         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8386         if flag_stack_reuse != SR_NONE and clear it afterwards.
8387
8388 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8389
8390         PR target/85596
8391         * doc/install.texi (with-multilib-list): Document for aarch64.
8392
8393 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8394
8395         PR target/88734
8396         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8397         (("..."))) with ("...").
8398
8399 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8400
8401         * doc/extend.texi (Built-in Functions for Memory Model Aware
8402         Atomic Operations): Document atomic fetch and nand.
8403
8404 2019-01-18  Martin Liska  <mliska@suse.cz>
8405             Richard Biener  <rguenther@suse.de>
8406
8407         PR middle-end/88587
8408         * cgraph.h (create_version_clone_with_body): Add new argument
8409         with attributes.
8410         * cgraphclones.c (cgraph_node::create_version_clone): Add
8411         DECL_ATTRIBUTES to a newly created decl.  And call
8412         valid_attribute_p so that proper cl_target_optimization_node
8413         is set for the newly created declaration.
8414         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8415         for declaration.
8416         (expand_target_clones): Do not call valid_attribute_p, it must
8417         be already done.
8418         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8419         vector types.
8420
8421 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8422
8423         PR target/88734
8424         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8425         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8426         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8427
8428 2019-01-17  Martin Sebor  <msebor@redhat.com>
8429
8430         PR middle-end/88273
8431         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8432         Handle anti-ranges the same as no range at all.
8433
8434 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8435
8436         * config/aarch64/aarch64.c (cgraph.h): New include.
8437         (intl.h): New include.
8438         (supported_simd_type): New function.
8439         (currently_supported_simd_type): Ditto.
8440         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8441         (aarch64_simd_clone_adjust): Ditto.
8442         (aarch64_simd_clone_usable): Ditto.
8443         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8444         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8445         (TARGET_SIMD_CLONE_USABLE): Ditto.
8446         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8447         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8448         call.
8449
8450 2019-01-17  Martin Sebor  <msebor@redhat.com>
8451
8452         PR tree-optimization/88800
8453         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8454         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8455         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8456         redundant argument.  Add new argument and issue diagnostics under
8457         its control.  Detect out-of-bounds access even with warnings
8458         disabled.
8459         (check_bounds_or_overlap): Change return type.  Add argument.
8460         (wrestrict_dom_walker::check_call): Adjust.
8461         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8462         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8463         check_bounds_or_overlap's return value.
8464         (handle_builtin_stxncpy): Same.
8465         (handle_builtin_strcat): Same.
8466
8467 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8468             Kwok Cheung Yeung  <kcy@codesourcery.com>
8469             Julian Brown  <julian@codesourcery.com>
8470             Tom de Vries  <tom@codesourcery.com>
8471
8472         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8473
8474 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8475
8476         * doc/sourcebuild.texi: Document dg-require-effective-target
8477         llvm_binutils and offload_gcn.
8478
8479 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8480             Kwok Cheung Yeung  <kcy@codesourcery.com>
8481             Julian Brown  <julian@codesourcery.com>
8482             Tom de Vries  <tom@codesourcery.com>
8483
8484         * doc/sourcebuild.texi: Document dg-required-effective-target
8485         exceptions.
8486
8487 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8488             Kwok Cheung Yeung  <kcy@codesourcery.com>
8489             Julian Brown  <julian@codesourcery.com>
8490             Tom de Vries  <tom@codesourcery.com>
8491             Jan Hubicka  <hubicka@ucw.cz>
8492             Martin Jambor  <mjambor@suse.cz>
8493
8494         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8495         * configure.ac: Check for dlopen.
8496         * configure: Regenerate.
8497
8498 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8499             Kwok Cheung Yeung  <kcy@codesourcery.com>
8500             Julian Brown  <julian@codesourcery.com>
8501             Tom de Vries  <tom@codesourcery.com>
8502             Jan Hubicka  <hubicka@ucw.cz>
8503             Martin Jambor  <mjambor@suse.cz>
8504
8505         * common/config/gcn/gcn-common.c: New file.
8506         * config/gcn/driver-gcn.c: New file.
8507         * config/gcn/gcn-builtins.def: New file.
8508         * config/gcn/gcn-hsa.h: New file.
8509         * config/gcn/gcn-modes.def: New file.
8510         * config/gcn/gcn-opts.h: New file.
8511         * config/gcn/gcn-passes.def: New file.
8512         * config/gcn/gcn-protos.h: New file.
8513         * config/gcn/gcn-run.c: New file.
8514         * config/gcn/gcn-tree.c: New file.
8515         * config/gcn/gcn.c: New file.
8516         * config/gcn/gcn.h: New file.
8517         * config/gcn/gcn.opt: New file.
8518         * config/gcn/t-gcn-hsa: New file.
8519
8520 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8521             Kwok Cheung Yeung  <kcy@codesourcery.com>
8522             Julian Brown  <julian@codesourcery.com>
8523             Tom de Vries  <tom@codesourcery.com>
8524             Jan Hubicka  <hubicka@ucw.cz>
8525             Martin Jambor  <mjambor@suse.cz>
8526
8527         * config/gcn/constraints.md: New file.
8528         * config/gcn/gcn-valu.md: New file.
8529         * config/gcn/gcn.md: New file.
8530         * config/gcn/predicates.md: New file.
8531
8532 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8533
8534         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8535         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8536         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8537         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8538
8539 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8540
8541         PR target/88851
8542         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8543         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8544         it and document registers.
8545
8546 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8547
8548         * config/aarch64/aarch64.c (ares_tunings): Define.
8549         * config/aarch64/aarch64-cores.def (ares): Use the above.
8550
8551 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8552
8553         PR target/88794
8554         Revert:
8555         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8556
8557         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8558         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8559         (_mm512_maskz_fixupimm_round_pd): Ditto.
8560         (_mm512_fixupimm_round_ps): Ditto.
8561         (_mm512_maskz_fixupimm_round_ps): Ditto.
8562         (_mm_fixupimm_round_sd): Ditto.
8563         (_mm_maskz_fixupimm_round_sd): Ditto.
8564         (_mm_fixupimm_round_ss): Ditto.
8565         (_mm_maskz_fixupimm_round_ss): Ditto.
8566         (_mm512_fixupimm_pd): Ditto.
8567         (_mm512_maskz_fixupimm_pd): Ditto.
8568         (_mm512_fixupimm_ps): Ditto.
8569         (_mm512_maskz_fixupimm_ps): Ditto.
8570         (_mm_fixupimm_sd): Ditto.
8571         (_mm_maskz_fixupimm_sd): Ditto.
8572         (_mm_fixupimm_ss): Ditto.
8573         (_mm_maskz_fixupimm_ss): Ditto.
8574         (_mm512_mask_fixupimm_round_pd): Update builtin.
8575         (_mm512_mask_fixupimm_round_ps): Ditto.
8576         (_mm_mask_fixupimm_round_sd): Ditto.
8577         (_mm_mask_fixupimm_round_ss): Ditto.
8578         (_mm512_mask_fixupimm_pd): Ditto.
8579         (_mm512_mask_fixupimm_ps): Ditto.
8580         (_mm_mask_fixupimm_sd): Ditto.
8581         (_mm_mask_fixupimm_ss): Ditto.
8582         * config/i386/avx512vlintrin.h:
8583         (_mm256_fixupimm_pd): Update parameters and builtin.
8584         (_mm256_maskz_fixupimm_pd): Ditto.
8585         (_mm256_fixupimm_ps): Ditto.
8586         (_mm256_maskz_fixupimm_ps): Ditto.
8587         (_mm_fixupimm_pd): Ditto.
8588         (_mm_maskz_fixupimm_pd): Ditto.
8589         (_mm_fixupimm_ps): Ditto.
8590         (_mm_maskz_fixupimm_ps): Ditto.
8591         (_mm256_mask_fixupimm_pd): Update builtin.
8592         (_mm256_mask_fixupimm_ps): Ditto.
8593         (_mm_mask_fixupimm_pd): Ditto.
8594         (_mm_mask_fixupimm_ps): Ditto.
8595         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8596         * config/i386/i386-builtin.def: Update builtin definitions.
8597         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8598         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8599         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8600         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8601         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8602         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8603         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8604         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8605         * config/i386/subst.md:
8606         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8607         (round_saeonly_sd_mask_op4): Ditto.
8608         (round_saeonly_expand_operand5): Ditto.
8609         (round_saeonly_expand): Update.
8610
8611 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8612
8613         PR target/88794
8614         Revert:
8615         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8616
8617         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8618         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8619         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8620         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8621         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8622         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8623         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8624
8625 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8626
8627         PR target/88794
8628         Revert:
8629         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8630
8631         PR target/88489
8632         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8633         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8634         instead of UNSPEC_FIXUPIMM.
8635
8636 2019-01-17  Richard Biener  <rguenther@suse.de>
8637
8638         PR lto/86736
8639         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8640         and friends for the LTO part of debug info.
8641
8642 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8643
8644         PR tree-optimization/86214
8645         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8646         if x == y.
8647
8648         PR rtl-optimization/88870
8649         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8650         throw if we can't alter the cfg or delete dead exceptions.
8651         (mark_insn): Don't call find_call_stack_args for such calls.
8652
8653 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8654
8655         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8656         prototypes for vec_st.
8657         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8658         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8659         mainly on signed/unsigned long long and double.
8660
8661 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8662
8663         PR target/88861
8664         * combine.c (delete_noop_moves): Convert to "bool" return,
8665         returning true if any edges are eliminated.
8666         (combine_instructions): Also return true if delete_noop_moves
8667         returns true.
8668
8669 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8670
8671         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8672         correct max nunits for endian swap.
8673         (aarch64_expand_fcmla_builtin): Correct subreg code.
8674         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8675         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8676         lane endianness.
8677
8678 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8679
8680         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8681         Handle split indirect COMPLEX_TYPE arguments.
8682
8683 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8684
8685         PR target/86891
8686         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8687         bit is set by add and compare.
8688         (CC_ADC): New CC_MODE.
8689         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8690         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8691         comparison.  Add detection for CC_ADCmode.
8692         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8693         CC_ADCmode.
8694         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8695         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8696         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8697         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8698         to eliminate the need for zero-extending the operands.
8699         (add<mode>3_compareC_imm): Delete.  Merge into ...
8700         (add<mode>3_compareC): ... this.  Restructure the comparison to
8701         eliminate the need for zero-extending the operands.
8702         (add<mode>3_carryin): Use LTU for the overflow detection.
8703         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8704         Reexpress comparison for overflow.
8705         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8706         (add<mode>3_carryinC): Likewise.
8707         (add<mode>3_carryinV): Use LTU for carry between partials.
8708         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8709         handling of CC_Cmode and add CC_ADCmode.
8710         (aarch64_borrow_operation): Likewise.
8711
8712 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8713
8714         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8715         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8716         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8717         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8718
8719 2019-01-16  Martin Liska  <mliska@suse.cz>
8720
8721         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8722         for GCC driver.
8723         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8724         a new argument.
8725         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8726         (path_prefix_reset): Move up in the source file.
8727         (find_fortran_preinclude_file): Make complex search for the
8728         fortran header files.
8729
8730 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8731
8732         * godump.c (go_output_typedef): When outputting a typedef, refer
8733         to the underlying type by its name and not its structure.
8734
8735 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8736
8737         PR c++/88795
8738         * tree.c (build_function_type): Assert that arg_types is not
8739         error_mark_node.
8740
8741 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8742
8743         PR inline-asm/52813
8744         * doc/extend.texi: Document that listing the stack pointer in the
8745         clobber list of an asm is a deprecated feature.
8746         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8747         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8748         warning instead of an error for clobbers of the stack pointer.
8749         Add a note explaining why.
8750
8751 2019-01-15  Richard Biener  <rguenther@suse.de>
8752
8753         PR debug/88046
8754         * dwarf2out.c (gen_member_die): Do not generate inheritance
8755         DIEs late.
8756
8757 2019-01-15  Richard Biener  <rguenther@suse.de>
8758
8759         PR tree-optimization/88855
8760         * tree-if-conv.c (combine_blocks): Collect
8761         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8762
8763 2019-01-15  Tom de Vries  <tdevries@suse.de>
8764
8765         PR target/80547
8766         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8767         lhs == NULL_TREE for gang-level reduction.
8768
8769 2019-01-15  Richard Biener  <rguenther@suse.de>
8770             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8771
8772         PR ipa/88788
8773         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8774         return true if SSA_NAME is already marked in visited bitmap.
8775         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8776
8777 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8778
8779         PR tree-optimization/88775
8780         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8781         equal == 0 equality pointer comparisons some more if compared in
8782         integral types and either one points to an automatic var and the
8783         other to a global, or we can prove at least one points to the middle
8784         or both point to start or both point to end.
8785
8786 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8787
8788         * Makefile.in: Lower autofdo sampling rate by 10x.
8789         * Makefile.tpl: Dito.
8790
8791 2019-01-14  Tom Honermann  <tom@honermann.net>
8792
8793         * defaults.h: Define CHAR8_TYPE.
8794
8795 2019-01-14  Martin Sebor  <msebor@redhat.com>
8796
8797         PR target/88638
8798         * doc/extend.texi (Darwin Format Checks): Clarify.
8799
8800 2019-01-14  Richard Biener  <rguenther@suse.de>
8801
8802         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8803         whether we are in (simplify ...) or (match ...) context.
8804
8805 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8806
8807         PR rtl-optimization/88796
8808         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8809         * cfgexpand.c (stack_protect_prologue): Initialize
8810         crtl->stack_protect_guard_decl.
8811         * function.c (stack_protect_epilogue): Use it instead of calling
8812         targetm.stack_protect_guard again.
8813         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8814         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8815         crtl->stack_protect_guard_decl.
8816         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8817         on the returned MEM_EXPR.
8818
8819 2019-01-12  Tom de Vries  <tdevries@suse.de>
8820
8821         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8822         vector length using -fopenacc-dim.
8823
8824 2019-01-12  Tom de Vries  <tdevries@suse.de>
8825
8826         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8827         lengths into account.
8828
8829 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8830
8831         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8832         (TARGET_CAN_SPLIT_STACK): Define.
8833         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8834
8835 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8836
8837         * params.def (inline-unit-growth): Set to 40.
8838
8839 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8840
8841         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8842
8843 2019-01-12  Tom de Vries  <tdevries@suse.de>
8844
8845         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8846         region calling vector-partitionable routine, set default_vector_length
8847         to WARP_SIZE.
8848
8849 2019-01-12  Tom de Vries  <tdevries@suse.de>
8850
8851         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8852         variable default_vector_length.
8853
8854 2019-01-12  Tom de Vries  <tdevries@suse.de>
8855
8856         PR middle-end/88703
8857         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8858         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8859         dimensions limits.
8860
8861 2019-01-12  Tom de Vries  <tdevries@suse.de>
8862
8863         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8864         (nvptx_goacc_validate_dims): Add used parameter.
8865         * doc/tm.texi: Regenerate.
8866         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8867         argument to call to targetm.goacc.validate_dims.
8868         (default_goacc_validate_dims): Add used
8869         parameter.
8870         * target.def (validate_dims): Add used parameter in DEFHOOK.
8871         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8872
8873 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8874
8875         PR middle-end/85956
8876         PR lto/88733
8877         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8878         field.
8879         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8880         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8881         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8882         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8883
8884 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8885
8886         PR rtl-optimization/87305
8887         * lra-assigns.c
8888         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8889         for little endian pseudos used as paradoxical subreg.
8890
8891 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8892
8893         PR tree-optimization/88693
8894         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8895         for STRING_CSTs that don't contain any NUL characters in the first
8896         TREE_STRING_LENGTH bytes.
8897
8898 2019-01-11  Alan Modra  <amodra@gmail.com>
8899
8900         PR 88777
8901         PR 88614
8902         * genattrtab.c (min_fn): Don't translate values.
8903         (min_attr_value): Return INT_MAX when the value can't be calculated.
8904         Return minimum among any values that can be calculated.
8905         (max_attr_value): Adjust.
8906
8907 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8908
8909         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8910
8911 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8912
8913         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8914         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8915         (aarch64_return_call_with_max_clobbers): New function.
8916         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8917         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8918         argument.
8919         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8920         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8921         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8922         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8923         * cselib.c (cselib_process_insn): Add argument to
8924         targetm.hard_regno_call_part_clobbered call.
8925         * ira-conflicts.c (ira_build_conflicts): Ditto.
8926         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8927         * lra-constraints.c (inherit_reload_reg): Ditto.
8928         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8929         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8930         argument.  Call targetm.return_call_with_max_clobbers.
8931         Add argument to targetm.hard_regno_call_part_clobbered call.
8932         (calls_have_same_clobbers_p): New function.
8933         (process_bb_lives): Add call_insn and last_call_insn variables.
8934         Pass call_insn to check_pseudos_live_through_calls.
8935         Modify if stmt to check targetm.return_call_with_max_clobbers.
8936         Update setting of flush variable.
8937         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8938         to false.
8939         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8940         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8941         targetm.hard_regno_call_part_clobbered call.
8942         * reginfo.c (choose_hard_reg_mode): Ditto.
8943         * regrename.c (check_new_reg_p): Ditto.
8944         * reload.c (find_equiv_reg): Ditto.
8945         * reload1.c (emit_reload_insns): Ditto.
8946         * sched-deps.c (deps_analyze_insn): Ditto.
8947         * sel-sched.c (init_regs_for_mode): Ditto.
8948         (mark_unavailable_hard_regs): Ditto.
8949         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8950         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8951         (return_call_with_max_clobbers): New target function.
8952         * doc/tm.texi: Regenerate.
8953         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8954         * hooks.c (hook_bool_uint_mode_false): Change to
8955         hook_bool_insn_uint_mode_false.
8956         * hooks.h (hook_bool_uint_mode_false): Ditto.
8957
8958 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8959
8960         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8961         (aarch64_remove_extra_call_preserved_regs): New function.
8962         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8963         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8964         * doc/tm.texi: Regenerate.
8965         * final.c (get_call_reg_set_usage): Call new hook.
8966         * target.def (remove_extra_call_preserved_regs): New hook.
8967         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8968         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8969
8970 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8971
8972         PR bootstrap/88714
8973         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8974         inside of pass_combine_1 dump rather than pass_profile_1.
8975
8976 2019-01-11  Tom de Vries  <tdevries@suse.de>
8977
8978         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8979         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8980         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8981         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8982         num_workers 16.
8983
8984 2019-01-11  Tom de Vries  <tdevries@suse.de>
8985
8986         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8987
8988 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8989
8990         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8991         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8992         sse2_cvtsi2sd): Add {l}.
8993         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8994         syntax.
8995
8996 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8997
8998         PR target/88785
8999         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9000         define_expand.
9001         (*float<floatunssuffix>v2div2sf2): New define_insn.
9002         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9003         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9004         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9005         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9006         match_operands with "const0_operand" "C".
9007
9008 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9009
9010         * config/aarch64/aarch64-builtins.c
9011         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9012         (aarch64_init_simd_builtins): ...Here
9013
9014 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9015
9016         PR rtl-optimization/87305
9017         * lra-assigns.c
9018         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9019         allocation for big endian pseudos used as paradoxical subregs and
9020         spill them if it is wrong.
9021         * lra-constraints.c (lra_constraints): Add a comment.
9022
9023 2019-01-10  Richard Biener  <rguenther@suse.de>
9024
9025         PR tree-optimization/88792
9026         * tree-ssa-pre.c (get_representative_for): Do not return a
9027         value-number here.
9028
9029 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9030
9031         PR middle-end/84877
9032         PR bootstrap/88450
9033         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9034         (assign_parm_setup_block): Do the argument slot realignment here
9035         instead.
9036
9037 2019-01-10  Stefan Agner  <stefan@agner.ch>
9038
9039         PR target/88648
9040         * config/arm/arm.c (arm_option_override_internal): Force
9041         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9042
9043 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9044
9045         PR c/88568
9046         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9047         DECL_EXTERNAL.
9048
9049 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9050
9051         * config/arm/arm-builtins.c
9052         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9053         (MAC_LANE_PAIR_QUALIFIERS): New.
9054         (arm_expand_builtin_args): Use it.
9055         (arm_expand_builtin_1): Likewise.
9056         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9057         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9058         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9059         * config/arm/arm_neon.h:
9060         (vcadd_rot90_f16): New.
9061         (vcaddq_rot90_f16): New.
9062         (vcadd_rot270_f16): New.
9063         (vcaddq_rot270_f16): New.
9064         (vcmla_f16): New.
9065         (vcmlaq_f16): New.
9066         (vcmla_lane_f16): New.
9067         (vcmla_laneq_f16): New.
9068         (vcmlaq_lane_f16): New.
9069         (vcmlaq_laneq_f16): New.
9070         (vcmla_rot90_f16): New.
9071         (vcmlaq_rot90_f16): New.
9072         (vcmla_rot90_lane_f16): New.
9073         (vcmla_rot90_laneq_f16): New.
9074         (vcmlaq_rot90_lane_f16): New.
9075         (vcmlaq_rot90_laneq_f16): New.
9076         (vcmla_rot180_f16): New.
9077         (vcmlaq_rot180_f16): New.
9078         (vcmla_rot180_lane_f16): New.
9079         (vcmla_rot180_laneq_f16): New.
9080         (vcmlaq_rot180_lane_f16): New.
9081         (vcmlaq_rot180_laneq_f16): New.
9082         (vcmla_rot270_f16): New.
9083         (vcmlaq_rot270_f16): New.
9084         (vcmla_rot270_lane_f16): New.
9085         (vcmla_rot270_laneq_f16): New.
9086         (vcmlaq_rot270_lane_f16): New.
9087         (vcmlaq_rot270_laneq_f16): New.
9088         (vcadd_rot90_f32): New.
9089         (vcaddq_rot90_f32): New.
9090         (vcadd_rot270_f32): New.
9091         (vcaddq_rot270_f32): New.
9092         (vcmla_f32): New.
9093         (vcmlaq_f32): New.
9094         (vcmla_lane_f32): New.
9095         (vcmla_laneq_f32): New.
9096         (vcmlaq_lane_f32): New.
9097         (vcmlaq_laneq_f32): New.
9098         (vcmla_rot90_f32): New.
9099         (vcmlaq_rot90_f32): New.
9100         (vcmla_rot90_lane_f32): New.
9101         (vcmla_rot90_laneq_f32): New.
9102         (vcmlaq_rot90_lane_f32): New.
9103         (vcmlaq_rot90_laneq_f32): New.
9104         (vcmla_rot180_f32): New.
9105         (vcmlaq_rot180_f32): New.
9106         (vcmla_rot180_lane_f32): New.
9107         (vcmla_rot180_laneq_f32): New.
9108         (vcmlaq_rot180_lane_f32): New.
9109         (vcmlaq_rot180_laneq_f32): New.
9110         (vcmla_rot270_f32): New.
9111         (vcmlaq_rot270_f32): New.
9112         (vcmla_rot270_lane_f32): New.
9113         (vcmla_rot270_laneq_f32): New.
9114         (vcmlaq_rot270_lane_f32): New.
9115         (vcmlaq_rot270_laneq_f32): New.
9116         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9117         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9118         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9119         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9120         vcmlaq_lane270): New.
9121         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9122         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9123         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9124         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9125         (arm_option_reconfigure_globals): Use them.
9126         * config/arm/iterators.md (VDF, VQ_HSF): New.
9127         (VCADD, VCMLA): New.
9128         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9129         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9130         New.
9131         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9132         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9133
9134 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9135
9136         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9137         Add qualifier_lane_pair_index.
9138         (emit-rtl.h): Include.
9139         (TYPES_QUADOP_LANE_PAIR): New.
9140         (aarch64_simd_expand_args): Use it.
9141         (aarch64_simd_expand_builtin): Likewise.
9142         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9143         New.
9144         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9145         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9146         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9147         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9148         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9149         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9150         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9151         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9152         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9153         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9154         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9155         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9156         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9157         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9158         Add __ARM_FEATURE_COMPLEX.
9159         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9160         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9161         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9162         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9163         fcmlaq_lane270): New.
9164         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9165         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9166         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9167         * config/aarch64/arm_neon.h:
9168         (vcadd_rot90_f16): New.
9169         (vcaddq_rot90_f16): New.
9170         (vcadd_rot270_f16): New.
9171         (vcaddq_rot270_f16): New.
9172         (vcmla_f16): New.
9173         (vcmlaq_f16): New.
9174         (vcmla_lane_f16): New.
9175         (vcmla_laneq_f16): New.
9176         (vcmlaq_lane_f16): New.
9177         (vcmlaq_rot90_lane_f16): New.
9178         (vcmla_rot90_laneq_f16): New.
9179         (vcmla_rot90_lane_f16): New.
9180         (vcmlaq_rot90_f16): New.
9181         (vcmla_rot90_f16): New.
9182         (vcmlaq_laneq_f16): New.
9183         (vcmla_rot180_laneq_f16): New.
9184         (vcmla_rot180_lane_f16): New.
9185         (vcmlaq_rot180_f16): New.
9186         (vcmla_rot180_f16): New.
9187         (vcmlaq_rot90_laneq_f16): New.
9188         (vcmlaq_rot270_laneq_f16): New.
9189         (vcmlaq_rot270_lane_f16): New.
9190         (vcmla_rot270_laneq_f16): New.
9191         (vcmlaq_rot270_f16): New.
9192         (vcmla_rot270_f16): New.
9193         (vcmlaq_rot180_laneq_f16): New.
9194         (vcmlaq_rot180_lane_f16): New.
9195         (vcmla_rot270_lane_f16): New.
9196         (vcadd_rot90_f32): New.
9197         (vcaddq_rot90_f32): New.
9198         (vcaddq_rot90_f64): New.
9199         (vcadd_rot270_f32): New.
9200         (vcaddq_rot270_f32): New.
9201         (vcaddq_rot270_f64): New.
9202         (vcmla_f32): New.
9203         (vcmlaq_f32): New.
9204         (vcmlaq_f64): New.
9205         (vcmla_lane_f32): New.
9206         (vcmla_laneq_f32): New.
9207         (vcmlaq_lane_f32): New.
9208         (vcmlaq_laneq_f32): New.
9209         (vcmla_rot90_f32): New.
9210         (vcmlaq_rot90_f32): New.
9211         (vcmlaq_rot90_f64): New.
9212         (vcmla_rot90_lane_f32): New.
9213         (vcmla_rot90_laneq_f32): New.
9214         (vcmlaq_rot90_lane_f32): New.
9215         (vcmlaq_rot90_laneq_f32): New.
9216         (vcmla_rot180_f32): New.
9217         (vcmlaq_rot180_f32): New.
9218         (vcmlaq_rot180_f64): New.
9219         (vcmla_rot180_lane_f32): New.
9220         (vcmla_rot180_laneq_f32): New.
9221         (vcmlaq_rot180_lane_f32): New.
9222         (vcmlaq_rot180_laneq_f32): New.
9223         (vcmla_rot270_f32): New.
9224         (vcmlaq_rot270_f32): New.
9225         (vcmlaq_rot270_f64): New.
9226         (vcmla_rot270_lane_f32): New.
9227         (vcmla_rot270_laneq_f32): New.
9228         (vcmlaq_rot270_lane_f32): New.
9229         (vcmlaq_rot270_laneq_f32): New.
9230         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9231         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9232         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9233         (FCADD, FCMLA): New.
9234         (rot): New.
9235         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9236
9237 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9238
9239         PR other/16615
9240
9241         * config/pa/pa.c: Change "can not" to "cannot".
9242         * gimple-ssa-evrp-analyze.c: Likewise.
9243         * ipa-icf.c: Likewise.
9244         * ipa-polymorphic-call.c: Likewise.
9245         * ipa-pure-const.c: Likewise.
9246         * lra-constraints.c: Likewise.
9247         * lra-remat.c: Likewise.
9248         * reload1.c: Likewise.
9249         * reorg.c: Likewise.
9250         * tree-ssa-uninit.c: Likewise.
9251
9252 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9253
9254         PR other/16615
9255
9256         * Makefile.in: Mechanically replace "can not" with "cannot".
9257         * alias.c: Likewise.
9258         * builtins.c: Likewise.
9259         * calls.c: Likewise.
9260         * cgraph.c: Likewise.
9261         * cgraph.h: Likewise.
9262         * cgraphclones.c: Likewise.
9263         * cgraphunit.c: Likewise.
9264         * combine-stack-adj.c: Likewise.
9265         * combine.c: Likewise.
9266         * common/config/i386/i386-common.c: Likewise.
9267         * config/aarch64/aarch64.c: Likewise.
9268         * config/alpha/sync.md: Likewise.
9269         * config/arc/arc.c: Likewise.
9270         * config/arc/predicates.md: Likewise.
9271         * config/arm/arm-c.c: Likewise.
9272         * config/arm/arm.c: Likewise.
9273         * config/arm/arm.h: Likewise.
9274         * config/arm/arm.md: Likewise.
9275         * config/arm/cortex-r4f.md: Likewise.
9276         * config/csky/csky.c: Likewise.
9277         * config/csky/csky.h: Likewise.
9278         * config/darwin-f.c: Likewise.
9279         * config/epiphany/epiphany.md: Likewise.
9280         * config/i386/i386.c: Likewise.
9281         * config/i386/sol2.h: Likewise.
9282         * config/m68k/m68k.c: Likewise.
9283         * config/mcore/mcore.h: Likewise.
9284         * config/microblaze/microblaze.md: Likewise.
9285         * config/mips/20kc.md: Likewise.
9286         * config/mips/sb1.md: Likewise.
9287         * config/nds32/nds32.c: Likewise.
9288         * config/nds32/predicates.md: Likewise.
9289         * config/pa/pa.c: Likewise.
9290         * config/rs6000/e300c2c3.md: Likewise.
9291         * config/rs6000/rs6000.c: Likewise.
9292         * config/s390/s390.h: Likewise.
9293         * config/sh/sh.c: Likewise.
9294         * config/sh/sh.md: Likewise.
9295         * config/spu/vmx2spu.h: Likewise.
9296         * cprop.c: Likewise.
9297         * dbxout.c: Likewise.
9298         * df-scan.c: Likewise.
9299         * doc/cfg.texi: Likewise.
9300         * doc/extend.texi: Likewise.
9301         * doc/fragments.texi: Likewise.
9302         * doc/gty.texi: Likewise.
9303         * doc/invoke.texi: Likewise.
9304         * doc/lto.texi: Likewise.
9305         * doc/md.texi: Likewise.
9306         * doc/objc.texi: Likewise.
9307         * doc/rtl.texi: Likewise.
9308         * doc/tm.texi: Likewise.
9309         * dse.c: Likewise.
9310         * emit-rtl.c: Likewise.
9311         * emit-rtl.h: Likewise.
9312         * except.c: Likewise.
9313         * expmed.c: Likewise.
9314         * expr.c: Likewise.
9315         * fold-const.c: Likewise.
9316         * genautomata.c: Likewise.
9317         * gimple-fold.c: Likewise.
9318         * hard-reg-set.h: Likewise.
9319         * ifcvt.c: Likewise.
9320         * ipa-comdats.c: Likewise.
9321         * ipa-cp.c: Likewise.
9322         * ipa-devirt.c: Likewise.
9323         * ipa-fnsummary.c: Likewise.
9324         * ipa-icf.c: Likewise.
9325         * ipa-inline-transform.c: Likewise.
9326         * ipa-inline.c: Likewise.
9327         * ipa-polymorphic-call.c: Likewise.
9328         * ipa-profile.c: Likewise.
9329         * ipa-prop.c: Likewise.
9330         * ipa-pure-const.c: Likewise.
9331         * ipa-reference.c: Likewise.
9332         * ipa-split.c: Likewise.
9333         * ipa-visibility.c: Likewise.
9334         * ipa.c: Likewise.
9335         * ira-build.c: Likewise.
9336         * ira-color.c: Likewise.
9337         * ira-conflicts.c: Likewise.
9338         * ira-costs.c: Likewise.
9339         * ira-int.h: Likewise.
9340         * ira-lives.c: Likewise.
9341         * ira.c: Likewise.
9342         * ira.h: Likewise.
9343         * loop-invariant.c: Likewise.
9344         * loop-unroll.c: Likewise.
9345         * lower-subreg.c: Likewise.
9346         * lra-assigns.c: Likewise.
9347         * lra-constraints.c: Likewise.
9348         * lra-eliminations.c: Likewise.
9349         * lra-lives.c: Likewise.
9350         * lra-remat.c: Likewise.
9351         * lra-spills.c: Likewise.
9352         * lra.c: Likewise.
9353         * lto-cgraph.c: Likewise.
9354         * lto-streamer-out.c: Likewise.
9355         * postreload-gcse.c: Likewise.
9356         * predict.c: Likewise.
9357         * profile-count.h: Likewise.
9358         * profile.c: Likewise.
9359         * recog.c: Likewise.
9360         * ree.c: Likewise.
9361         * reload.c: Likewise.
9362         * reload1.c: Likewise.
9363         * reorg.c: Likewise.
9364         * resource.c: Likewise.
9365         * rtl.def: Likewise.
9366         * rtl.h: Likewise.
9367         * rtlanal.c: Likewise.
9368         * sched-deps.c: Likewise.
9369         * sched-ebb.c: Likewise.
9370         * sched-rgn.c: Likewise.
9371         * sel-sched-ir.c: Likewise.
9372         * sel-sched.c: Likewise.
9373         * shrink-wrap.c: Likewise.
9374         * simplify-rtx.c: Likewise.
9375         * symtab.c: Likewise.
9376         * target.def: Likewise.
9377         * toplev.c: Likewise.
9378         * tree-call-cdce.c: Likewise.
9379         * tree-cfg.c: Likewise.
9380         * tree-complex.c: Likewise.
9381         * tree-core.h: Likewise.
9382         * tree-eh.c: Likewise.
9383         * tree-inline.c: Likewise.
9384         * tree-loop-distribution.c: Likewise.
9385         * tree-nrv.c: Likewise.
9386         * tree-profile.c: Likewise.
9387         * tree-sra.c: Likewise.
9388         * tree-ssa-alias.c: Likewise.
9389         * tree-ssa-dce.c: Likewise.
9390         * tree-ssa-dom.c: Likewise.
9391         * tree-ssa-forwprop.c: Likewise.
9392         * tree-ssa-loop-im.c: Likewise.
9393         * tree-ssa-loop-ivcanon.c: Likewise.
9394         * tree-ssa-loop-ivopts.c: Likewise.
9395         * tree-ssa-loop-niter.c: Likewise.
9396         * tree-ssa-phionlycprop.c: Likewise.
9397         * tree-ssa-phiopt.c: Likewise.
9398         * tree-ssa-propagate.c: Likewise.
9399         * tree-ssa-threadedge.c: Likewise.
9400         * tree-ssa-threadupdate.c: Likewise.
9401         * tree-ssa-uninit.c: Likewise.
9402         * tree-ssanames.c: Likewise.
9403         * tree-streamer-out.c: Likewise.
9404         * tree.c: Likewise.
9405         * tree.h: Likewise.
9406         * vr-values.c: Likewise.
9407
9408 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9409
9410         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9411         (ix86_split_xorsign): Ditto.
9412         * config/i386/i386.c (ix86_expand_xorsign): New function.
9413         (ix86_split_xorsign): Ditto.
9414         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9415         (xorsign<mode>3): New expander.
9416         (xorsign<mode>3_1): New insn_and_split pattern.
9417         * config/i386/sse.md (xorsign<mode>3): New expander.
9418
9419 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9420
9421         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9422         (*tablejump_sp64): Likewise.
9423         (*tablejump<P:mode>): ...this.
9424         (*call_address_sp32): Merge into...
9425         (*call_address_sp64): Likewise.
9426         (*call_address<P:mode>): ...this.
9427         (*call_symbolic_sp32): Merge into...
9428         (*call_symbolic_sp64): Likewise.
9429         (*call_symbolic<P:mode>): ...this.
9430         (call_value): Remove constraint and add predicate.
9431         (*call_value_address_sp32): Merge into...
9432         (*call_value_address_sp64): Likewise.
9433         (*call_value_address<P:mode>): ...this.
9434         (*call_value_symbolic_sp32): Merge into...
9435         (*call_value_symbolic_sp64): Likewise.
9436         (*call_value_symbolic<P:mode>): ...this.
9437         (*sibcall_symbolic_sp32): Merge into...
9438         (*sibcall_symbolic_sp64): Likewise.
9439         (*sibcall_symbolic<P:mode>): ...this.
9440         (sibcall_value): Remove constraint and add predicate.
9441         (*sibcall_value_symbolic_sp32): Merge into...
9442         (*sibcall_value_symbolic_sp64): Likewise.
9443         (*sibcall_value_symbolic<P:mode>): ...this.
9444         (window_save): Minor tweak.
9445         (*branch_sp32): Merge into...
9446         (*branch_sp64): Likewise.
9447         (*branch<P:mode>): ...this.
9448
9449 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9450             James Clarke  <jrtc27@jrtc27.com>
9451
9452         PR target/84010
9453         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9454         consistently in TLS address generation and adjust code to the renaming
9455         of patterns.  Mark calls to __tls_get_addr as const.
9456         * config/sparc/sparc.md (tgd_hi22): Turn into...
9457         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9458         (tgd_lo10): Turn into...
9459         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9460         (tgd_add32): Merge into...
9461         (tgd_add64): Likewise.
9462         (tgd_add<P:mode>): ...this and use Pmode throughout.
9463         (tldm_hi22): Turn into...
9464         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9465         (tldm_lo10): Turn into...
9466         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9467         (tldm_add32): Merge into...
9468         (tldm_add64): Likewise.
9469         (tldm_add<P:mode>): ...this and use Pmode throughout.
9470         (tldm_call32): Merge into...
9471         (tldm_call64): Likewise.
9472         (tldm_call<P:mode>): ...this and use Pmode throughout.
9473         (tldo_hix22): Turn into...
9474         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9475         (tldo_lox10): Turn into...
9476         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9477         (tldo_add32): Merge into...
9478         (tldo_add64): Likewise.
9479         (tldo_add<P:mode>): ...this and use Pmode throughout.
9480         (tie_hi22): Turn into...
9481         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9482         (tie_lo10): Turn into...
9483         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9484         (tie_ld64): Use DImode throughout.
9485         (tie_add32): Merge into...
9486         (tie_add64): Likewise.
9487         (tie_add<P:mode>): ...this and use Pmode throughout.
9488         (tle_hix22_sp32): Merge into...
9489         (tle_hix22_sp64): Likewise.
9490         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9491         (tle_lox22_sp32): Merge into...
9492         (tle_lox22_sp64): Likewise.
9493         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9494         (*tldo_ldub_sp32): Merge into...
9495         (*tldo_ldub_sp64): Likewise.
9496         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9497         (*tldo_ldub1_sp32): Merge into...
9498         (*tldo_ldub1_sp64): Likewise.
9499         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9500         (*tldo_ldub2_sp32): Merge into...
9501         (*tldo_ldub2_sp64): Likewise.
9502         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9503         (*tldo_ldsb1_sp32): Merge into...
9504         (*tldo_ldsb1_sp64): Likewise.
9505         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9506         (*tldo_ldsb2_sp32): Merge into...
9507         (*tldo_ldsb2_sp64): Likewise.
9508         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9509         (*tldo_ldub3_sp64): Use DImode throughout.
9510         (*tldo_ldsb3_sp64): Likewise.
9511         (*tldo_lduh_sp32): Merge into...
9512         (*tldo_lduh_sp64): Likewise.
9513         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9514         (*tldo_lduh1_sp32): Merge into...
9515         (*tldo_lduh1_sp64): Likewise.
9516         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9517         (*tldo_ldsh1_sp32): Merge into...
9518         (*tldo_ldsh1_sp64): Likewise.
9519         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9520         (*tldo_lduh2_sp64): Use DImode throughout.
9521         (*tldo_ldsh2_sp64): Likewise.
9522         (*tldo_lduw_sp32): Merge into...
9523         (*tldo_lduw_sp64): Likewise.
9524         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9525         (*tldo_lduw1_sp64): Use DImode throughout.
9526         (*tldo_ldsw1_sp64): Likewise.
9527         (*tldo_ldx_sp64): Likewise.
9528         (*tldo_stb_sp32): Merge into...
9529         (*tldo_stb_sp64): Likewise.
9530         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9531         (*tldo_sth_sp32): Merge into...
9532         (*tldo_sth_sp64): Likewise.
9533         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9534         (*tldo_stw_sp32): Merge into...
9535         (*tldo_stw_sp64): Likewise.
9536         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9537         (*tldo_stx_sp64): Use DImode throughout.
9538
9539 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9540
9541         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9542         check configure option to set BTI and Return Address Signing.
9543         * configure.ac: Add --enable-standard-branch-protection and
9544         --disable-standard-branch-protection.
9545         * configure: Regenerated.
9546         * doc/install.texi: Document the same.
9547
9548 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9549             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9550
9551         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9552         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9553         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9554         if bti is enabled.
9555         * config/aarch64/aarch64-bti-insert.c: New file.
9556         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9557         pass.
9558         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9559         new bti pass.
9560         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9561         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9562         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9563         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9564
9565 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9566
9567         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9568         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9569         Disable bti for -mbranch-protection=none.
9570         (aarch64_handle_standard_branch_protection): Enable bti for
9571         -mbranch-protection=standard.
9572         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9573         -mbranch-protection.
9574         (aarch64_bti_enabled): Check if bti is enabled.
9575         * config/aarch64/aarch64.opt: Declare target variable.
9576         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9577
9578 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9579
9580         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9581         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9582         (aarch64_expand_epilogue): Likewise.
9583         (aarch64_output_mi_thunk): Likewise
9584         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9585         TAILCALL_ADDR_REGS to x16 and x17.
9586         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9587
9588 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9589
9590         * config/aarch64/aarch64-option-extensions.def: Define
9591         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9592         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9593         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9594         (AARCH64_FL_PREDRES): New.
9595         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9596         AARCH64_FL_PREDRES by default.
9597         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9598
9599 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9600
9601         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9602         ARMv8.5-A.
9603         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9604         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9605         * doc/invoke.texi: Document ARMv8.5-A.
9606
9607 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9608
9609         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9610         (xorsign<mode>3): Likewise.
9611
9612 2019-01-09  Jelinek  <jakub@redhat.com>
9613
9614         PR middle-end/88758
9615         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9616         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9617
9618         PR rtl-optimization/88331
9619         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9620         not currently_expanding_to_rtl.
9621
9622 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9623
9624         * doc/invoke.texi (-Os): Remove trailing spaces.
9625         (-finline-functions): Remove reference to -O2.
9626
9627 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9628
9629         PR rtl-optimization/79593
9630         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9631
9632         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9633         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9634
9635 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9636
9637         PR bootstrap/88721
9638         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9639         to -1 on entry.
9640
9641         PR debug/88723
9642         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9643         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9644
9645 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9646
9647         PR target/88717
9648         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9649         ix86_avx_u128_mode_entry.
9650
9651 2019-01-08  Martin Liska  <mliska@suse.cz>
9652
9653         PR tree-optimization/88753
9654         * tree-switch-conversion.c (switch_conversion::build_one_array):
9655         Come up with local variable constructor.  Convert first to
9656         type of constructor values.
9657
9658 2019-01-08  Richard Biener  <rguenther@suse.de>
9659
9660         PR tree-optimization/86554
9661         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9662         rpo_avail): Move earlier.
9663         (visit_nary_op): When value-numbering to expressions
9664         with different overflow behavior make sure there's an
9665         available expression on the path.
9666
9667 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9668
9669         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9670         aarch64_parse_branch_protection,
9671         struct aarch64_branch_protect_type,
9672         aarch64_handle_no_branch_protection,
9673         aarch64_handle_standard_branch_protection,
9674         aarch64_validate_mbranch_protection,
9675         aarch64_handle_pac_ret_protection,
9676         aarch64_handle_attr_branch_protection,
9677         accepted_branch_protection_string,
9678         aarch64_pac_ret_subtypes,
9679         aarch64_branch_protect_types,
9680         aarch64_handle_pac_ret_leaf): Define.
9681         (aarch64_override_options_after_change_1, aarch64_override_options):
9682         Add check for accepted_branch_protection_string.
9683         (aarch64_option_save): Save accepted_branch_protection_string.
9684         (aarch64_option_restore): Save accepted_branch_protection_string.
9685         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9686         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9687         msign-return-address.
9688         * doc/invoke.texi: Add mbranch-protection.
9689
9690 2019-01-08  Alan Modra  <amodra@gmail.com>
9691
9692         PR target/88614
9693         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9694         Delete "unknownp" parameter.  Adjust callers.  Handle
9695         CONST_INT, PLUS, MINUS, and MULT.
9696         (attr_value_aligned): Renamed from or_attr_value.
9697         (min_attr_value): Return INT_MIN for unhandled rtl case..
9698         (min_fn): ..and translate to INT_MAX here.
9699         (write_length_unit_log): Modify to cope without "unknown".
9700         (write_attr_value): Handle IF_THEN_ELSE.
9701
9702 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9703
9704         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9705         optimization for masked stores.
9706
9707 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9708
9709         PR middle-end/88567
9710         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9711         output vector directly to duplicate_and_interleave instead of
9712         going through a temporary.  Postpone insertion of ctor_seq to
9713         the end of the loop.
9714
9715 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9716
9717         PR target/86891
9718         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9719         unsigned_p.  Handle signed and unsigned overflow correction as
9720         required.
9721         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9722         prototype.
9723         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9724         for operand 2.
9725         (add<mode>3_compareV_imm): Make this callable for expanding.
9726         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9727         aarch64_plus_operand for operand 2.
9728         (subv<GPI:mode>_insn): New insn pattern.
9729         (subv<GPI:mode>_imm): Likewise.
9730         (negv<GPI:mode>3): New expand pattern.
9731         (negv<GPI:mode>_insn): New insn pattern.
9732         (negv<GPI:mode>_cmp_only): Likewise.
9733         (cmpv<GPI:mode>_insn): Likewise.
9734         (subvti4): Use register_operand for operand 1.  Update call to
9735         aarch64_expand_subvti.
9736         (usubvti4): Likewise.
9737         (negvti3): New expand pattern.
9738         (negdi_carryout): New insn pattern.
9739         (negvdi_carryinV): New insn pattern.
9740         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9741         version the named version.
9742         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9743         operands.
9744         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9745         patterns.
9746         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9747         patterns.
9748         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9749         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9750         (sub<mode>3_carryinCV): Delete.
9751         (sub<GPI:mode>3_carryinV): New expand pattern.
9752         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9753
9754 2019-01-07  Richard Biener  <rguenther@suse.de>
9755
9756         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9757         of tree_operand_hash.
9758
9759 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9760
9761         PR tree-optimization/88598
9762         * tree.h (single_nonzero_element): Declare.
9763         * tree.c (single_nonzero_element): New function.
9764         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9765         if I is the only nonzero element of CST.
9766
9767 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9768
9769         PR tree-optimization/88598
9770         * tree.h (initializer_each_zero_or_onep): Declare.
9771         * tree.c (initializer_each_zero_or_onep): New function.
9772         (signed_or_unsigned_type_for): Handle float types too.
9773         (unsigned_type_for, signed_type_for): Update comments accordingly.
9774         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9775         x & { 0 or -1, 0 or -1, ... }.
9776
9777 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9778
9779         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9780         with x86_64-pc-linux-gnu.
9781
9782 2019-01-07  Tom de Vries  <tdevries@suse.de>
9783
9784         PR target/85486
9785         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9786         function.
9787         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9788         routines.
9789
9790 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9791
9792         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9793         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9794         TARGET_AVX512F as condition.
9795
9796         PR debug/88723
9797         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9798         const_not_ok_for_debug_p target hook.
9799         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9800         on UNSPEC and subexpressions thereof if all subexpressions of the
9801         UNSPEC are CONSTANT_P.
9802
9803         PR tree-optimization/88676
9804         * tree-ssa-phiopt.c (two_value_replacement): New function.
9805         (tree_ssa_phiopt_worker): Call it.
9806
9807         PR sanitizer/88619
9808         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9809         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9810
9811         PR c++/85052
9812         * tree-vect-generic.c: Include insn-config.h and recog.h.
9813         (expand_vector_piecewise): Add defaulted ret_type argument,
9814         if non-NULL, use that in preference to type for the result type.
9815         (expand_vector_parallel): Formatting fix.
9816         (do_vec_conversion, do_vec_narrowing_conversion,
9817         expand_vector_conversion): New functions.
9818         (expand_vector_operations_1): Call expand_vector_conversion
9819         for VEC_CONVERT ifn calls.
9820         * internal-fn.def (VEC_CONVERT): New internal function.
9821         * internal-fn.c (expand_VEC_CONVERT): New function.
9822         * fold-const-call.c (fold_const_vec_convert): New function.
9823         (fold_const_call): Use it for CFN_VEC_CONVERT.
9824         * doc/extend.texi (__builtin_convertvector): Document.
9825
9826 2019-01-07  Tom de Vries  <tdevries@suse.de>
9827
9828         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9829         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9830         vector_red_partition, vector_red_sym): New global variables.
9831         (nvptx_option_override): Initialize vector_red_sym.
9832         (nvptx_declare_function_name): Restore red_partition register.
9833         (nvptx_file_end): Emit code to declare the vector reduction variables.
9834         (nvptx_output_red_partition): New function.
9835         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9836         large vector reductions.
9837         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9838         (nvptx_init_builtins): Add VECTOR_ADDR.
9839         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9840         Handle nvptx_expand_shared_addr.
9841         (nvptx_get_shared_red_addr): Add vector argument and handle large
9842         vectors.
9843         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9844         large vectors.
9845         (nvptx_goacc_reduction_init): Likewise.
9846         (nvptx_goacc_reduction_fini): Likewise.
9847         (nvptx_goacc_reduction_teardown): Likewise.
9848         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9849         init,fini,teardown}.
9850         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9851         (nvptx_set_current_function): Init vector_red_partition.
9852         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9853         (nvptx_red_partition): New insn.
9854         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9855
9856 2019-01-07  Tom de Vries  <tdevries@suse.de>
9857
9858         PR target/85381
9859         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9860         empty loops.
9861
9862 2019-01-07  Tom de Vries  <tdevries@suse.de>
9863
9864         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9865         (nvptx_option_override): Init oacc_bcast_partition.
9866         (nvptx_init_oacc_workers): New function.
9867         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9868         (nvptx_needs_shared_bcast): New function.
9869         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9870         to propagate state.
9871         (nvptx_shared_propagate): Initialize vector bcast partition and
9872         synchronization state.
9873         (nvptx_single):  Generalize to enable vectors to use shared-memory
9874         to propagate state.
9875         (nvptx_process_pars): Likewise.
9876         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9877         * config/nvptx/nvptx.h (struct machine_function): Add
9878         bcast_partition and sync_bar members.
9879
9880 2019-01-07  Tom de Vries  <tdevries@suse.de>
9881
9882         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9883         (nvptx_apply_dim_limits): New function.
9884         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9885         PTX_WARP_SIZE.
9886
9887 2019-01-07  Tom de Vries  <tdevries@suse.de>
9888
9889         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9890         as late as possible.
9891
9892 2019-01-07  Tom de Vries  <tdevries@suse.de>
9893
9894         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9895         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9896         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9897         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9898         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9899
9900 2019-01-07  Tom de Vries  <tdevries@suse.de>
9901
9902         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9903
9904 2019-01-07  Tom de Vries  <tdevries@suse.de>
9905
9906         * omp-offload.c (oacc_get_min_dim): New function.
9907         * omp-offload.h (oacc_get_min_dim): Declare.
9908
9909 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9910
9911         PR target/88521
9912         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9913         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9914
9915 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9916
9917         PR tree-opt/86020
9918         Revert:
9919         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9920
9921         * ipa-inline.c (edge_badness): Use inlined_time instead of
9922         inline_summaries->get.
9923
9924 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9925
9926         * opts.c (enable_fdo_optimizations): Enable
9927         version-loops-for-strides, loop-interchange, unrol-and-jam
9928         and tree-loop-distribution.
9929         * invoke.texi: Document newly enabled options.
9930
9931 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9932
9933         * doc/invoke.texi (max-inline-insns-small): New parameters.
9934         * ipa-inline.c (want_early_inline_function_p): simplify.
9935         (want_inline_small_function_p): Fix pasto from previous patch;
9936         use max-inline-insns-small bound.
9937         * params.def (max-inline-insns-small): New param.
9938         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9939         variables correctly.
9940
9941 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9942
9943         * doc/invoke.texi: Document max-inline-insns-size,
9944         uninlined-function-insns, uninlined-function-time,
9945         uninlined-thunk-insns and uninlined-thunk-time.
9946         * params.def: Add max-inline-insns-size,
9947         uninlined-function-insns, uninlined-function-time,
9948         uninlined-thunk-insns and uninlined-thunk-time.
9949         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9950         new parameters.
9951         * ipa-inline.c (can_inline_edge_by_limits_p,
9952         want_inline_small_function_p): Use new parameters.
9953
9954 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9955
9956         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9957
9958 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9959
9960         PR middle-end/82564
9961         PR target/88620
9962         * expr.c (expand_assignment): For calls returning VLA structures
9963         if to_rtx is not a MEM, force it into a stack temporary.
9964
9965         PR debug/88635
9966         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9967         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9968         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9969         subexpressions of both operands.
9970         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9971         subrtxes are CONSTANT_P.
9972         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9973         2018-11-09 changes.
9974
9975 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9976
9977         * params.def (hot-bb-count-ws-permille): Set to 990.
9978
9979 2019-01-04  Martin Sebor  <msebor@redhat.com>
9980
9981         PR c/88546
9982         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9983         leaf.
9984
9985 2019-01-04  Martin Sebor  <msebor@redhat.com>
9986
9987         PR c/88363
9988         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9989
9990 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9991
9992         * gdbinit.in: Turn off pagination for the skip commands, restore
9993         it to previous state afterwards.
9994
9995 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9996
9997         PR target/88594
9998         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9999         of GET_MODE (opN) as modes of the libcall arguments.
10000
10001 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10002
10003         * config/i386/sse.md
10004         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10005         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10006         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10007         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10008         avx512f_vmcmp<mode>3<round_saeonly_name>,
10009         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10010         avx512f_maskcmp<mode>3,
10011         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10012         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10013         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10014         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10015         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10016         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10017         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10018         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10019         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10020         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10021         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10022         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10023         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10024         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10025         avx512cd_maskb_vec_dup<mode>,
10026         avx512cd_maskw_vec_dup<mode>,
10027         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10028         avx512dq_vmfpclass<mode>,
10029         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10030         instead of =Yk.
10031
10032 2019-01-03  Martin Sebor  <msebor@redhat.com>
10033
10034         PR tree-optimization/88659
10035         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10036
10037 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10038
10039         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10040         unaligned vsx and avoid lxvd2x/stxvd2x.
10041         (gen_lvx_v4si_move): New function.
10042
10043 2019-01-03  Tom de Vries  <tdevries@suse.de>
10044
10045         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10046         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10047         function.
10048         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10049
10050 2019-01-03  Tom de Vries  <tdevries@suse.de>
10051
10052         * config/nvptx/nvptx.c (struct offload_attrs): New.
10053         (populate_offload_attrs): New function.  Factor mask extraction out of
10054         nvptx_reorg.  Add extraction of dimensions.
10055         (nvptx_reorg): Use populate_offload_attrs.
10056
10057 2019-01-03  Tom de Vries  <tdevries@suse.de>
10058
10059         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10060         cases for oacc_min_dims_p and routine_p.  Add asserts for
10061         oacc_default_dims_p and offload_region_p.
10062
10063 2019-01-03  Tom de Vries  <tdevries@suse.de>
10064
10065         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10066         factored out of ...
10067         (nvptx_goacc_validate_dims): ... here.
10068
10069 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10070
10071         PR tree-optimization/85574
10072         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10073         structure.
10074         (struct ssa_equip_hash_traits): Declare.
10075         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10076
10077 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10078
10079         PR debug/88644
10080         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10081         change it to qualified_type.
10082
10083 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10084
10085         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10086         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10087
10088 2019-01-02  Martin Sebor  <msebor@redhat.com>
10089             Jeff Law  <law@redhat.com>
10090
10091         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10092         (get_range_strlen_tree): Update appropriately.
10093         (get_range_strlen)
10094         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10095
10096         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10097         rather than set_range_info.
10098         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10099         maybe_set_strlen_range.  Handle potentially boundary crossing
10100         cases more conservatively.
10101         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10102         Call set_strlen_range.
10103         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10104
10105         PR middle-end/88663
10106         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10107         need the flexp argument.
10108         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10109         from calls to get_range_strlen.  Update comments.  Just update
10110         VAL for an unterminated const char array and let the reset of the
10111         code handle it normally.  No longer try to set *flexp.  Adjust
10112         return value.
10113         (get_range_strlen): Update for the new get_range_strlen API.
10114         (get_maxval_strlen): Similarly.
10115         (gimple_fold_builtin_strlen): Handle update meaning of return value
10116         from get_range_strlen.
10117         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10118         get_range_strlen API.
10119
10120 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10121
10122         PR lto/88130
10123         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10124         false at WPA time when body was removed.
10125
10126 2019-01-02  Martin Liska  <mliska@suse.cz>
10127
10128         PR tree-optimization/88650
10129         * predict.c (set_even_probabilities): Calculate probability
10130         remainer only when really used.
10131
10132 2019-01-02  Richard Biener  <rguenther@suse.de>
10133
10134         PR middle-end/88651
10135         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10136         widest_ints when mangling max_stmt_execution results.
10137
10138 2019-01-02  Richard Biener  <rguenther@suse.de>
10139
10140         PR tree-optimization/88621
10141         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10142         bitfields when canoncalizing.
10143
10144 2019-01-02  Richard Biener  <rguenther@suse.de>
10145
10146         PR target/87545
10147         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10148         cost of cheap SSE instruction.
10149
10150 2019-01-02  Richard Biener  <rguenther@suse.de>
10151
10152         PR ipa/85574
10153         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10154         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10155         function.
10156         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10157         set after UIDs before splitting them.
10158
10159 2019-01-01  Martin Sebor  <msebor@redhat.com>
10160             Jeff Law  <law@redhat.com>
10161
10162         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10163         length is optimistic.  If it is, then arrange to compute the
10164         conservative length as well.
10165
10166         * gimple-fold.h (get_range_strlen): Update prototype.
10167         * builtins.c (check_access): Update call to get_range_strlen to use
10168         c_strlen_data pointer.   Change various variable accesses to instead
10169         pull data from the c_strlen_data structure.
10170         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10171         * calls.c (maybe_warn_nonstring_arg): Likewise.
10172         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10173         minimum length if maximum lengh is unknown.
10174         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10175         that used c_strlen, it's no longer needed.  Restructure slightly.
10176         (format_string): Set unlikely range appropriately.
10177         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10178         formatting issues.
10179         (get_range_strlen):  Accept c_strlen_data pointer for external
10180         call sites as well.  Pass through to call to internal get_range_strlen.
10181         Adjust minlen, maxlen and maxbound as needed.
10182         (get_maxval_strlen): Update comments.
10183         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10184         to use c_strlen_data pointer.  Change variable accesses to instead
10185         use c_strlen_data data members.
10186
10187         * gimple-fold.c (get_range_strlen): Update prototype.
10188         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10189         local variables.  Use pdata to return information to caller.
10190         Update calls to get_range_strlen.  Update pdata->maxbound.
10191         (get_range_strlen -- static version): Similarly.
10192         (get_range_strlen -- extern version): Update for internal
10193         get_range_strlen API change.  Convert to external data format.
10194         (get_maxval_strlen): Similarly.
10195
10196 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10197
10198         * coverage.c (get_coverage_counts): Use current_function_decl.
10199         * profile.c (read_thunk_profile): New function.
10200         (branch_prob): Add THUNK parameter.
10201         * tree-profile.c (tree_profiling): Handle thunks.
10202         * value-prof.c (init_node_map): Handle thunks.
10203         * value-prof.h (branch_prob): Upate prototype.
10204         (read_thunk_profile): Declare.
10205
10206 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10207
10208         Update copyright years.
10209
10210         * gcc.c (process_command): Update copyright notice dates.
10211         * gcov-dump.c (print_version): Ditto.
10212         * gcov.c (print_version): Ditto.
10213         * gcov-tool.c (print_version): Ditto.
10214         * gengtype.c (create_file): Ditto.
10215         * doc/cpp.texi: Bump @copying's copyright year.
10216         * doc/cppinternals.texi: Ditto.
10217         * doc/gcc.texi: Ditto.
10218         * doc/gccint.texi: Ditto.
10219         * doc/gcov.texi: Ditto.
10220         * doc/install.texi: Ditto.
10221         * doc/invoke.texi: Ditto.
10222 \f
10223 Copyright (C) 2019 Free Software Foundation, Inc.
10224
10225 Copying and distribution of this file, with or without modification,
10226 are permitted in any medium without royalty provided the copyright
10227 notice and this notice are preserved.