gcc/ChangeLog

   1 2019-06-04  Alan Modra  <amodra@gmail.com>
   2
   3         PR target/90689
   4         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
   5         error.
   6
   7 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
   8
   9         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
  10         * config/rs6000/rs6000.c (direct_move_p): Adjust.
  11         (rs6000_secondary_reload_simple_move): Adjust.
  12         (rs6000_opt_masks): Neuter the "mfpgpr" option.
  13         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
  14         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
  15         comment.
  16         (power6x): Adjust.
  17         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
  18         (floatunssi<mode>2_lfiwzx): Adjust.
  19         (fix_trunc<mode>si2_stfiwx): Adjust.
  20         (fixuns_trunc<mode>si2_stfiwx): Adjust.
  21         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
  22         (mfpgpr): Mark as deprecated.
  23         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
  24         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
  25         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
  26
  27 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
  28
  29         * config/rs6000/constraints.md (define_register_constraint "wg"):
  30         Delete.
  31         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  32         RS6000_CONSTRAINT_wg.
  33         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  34         (rs6000_init_hard_regno_mode_ok): Adjust.
  35         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
  36         Delete "wg" alternatives.
  37         * doc/md.texi (Machine Constraints): Adjust.
  38
  39 2019-06-03  Alan Modra  <amodra@gmail.com>
  40
  41         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
  42         (get_uncond_jump_length): Assert length less than INT_MAX and
  43         non-negative.
  44
  45 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
  46
  47         PR middle-end/64242
  48         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
  49         block.
  50         (expand_builtin_nonlocal_goto): Likewise.
  51
  52 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  53
  54         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
  55         (aarch64_asm_output_external): Declare.
  56         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
  57         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
  58         (aarch64_asm_output_alias): New.
  59         (aarch64_asm_output_external): New.
  60         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
  61         (ASM_OUTPUT_EXTERNAL): Define.
  62
  63 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
  64         * tree-vrp.h (value_range_base::nonzero_p): New.
  65         (value_range_base::set_nonnull): Rename to...
  66         (value_range_base::set_nonzero): ...this.
  67         (value_range_base::set_null): Rename to...
  68         (value_range_base::set_zero): ...this.
  69         (value_range::set_nonnull): Remove.
  70         (value_range::set_null): Remove.
  71         * tree-vrp.c (range_is_null): Remove.
  72         (range_is_nonnull): Remove.
  73         (extract_range_from_binary_expr): Use value_range_base::*zero_p
  74         instead of range_is_*null.
  75         (extract_range_from_unary_expr): Same.
  76         (value_range_base::set_nonnull): Rename to...
  77         (value_range_base::set_nonzero): ...this.
  78         (value_range::set_nonnull): Remove.
  79         (value_range_base::set_null): Rename to...
  80         (value_range_base::set_zero): ...this.
  81         (value_range::set_null): Remove.
  82         (extract_range_from_binary_expr): Rename set_*null uses to
  83         set_*zero.
  84         (extract_range_from_unary_expr): Same.
  85         (union_helper): Same.
  86         * vr-values.c (get_value_range): Use set_*zero instead of
  87         set_*null.
  88         (vr_values::extract_range_from_binary_expr): Same.
  89         (vr_values::extract_range_basic): Same.
  90
  91 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
  92
  93         PR driver/90684
  94         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
  95
  96 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  97
  98         * config/aarch64/iterators.md (MAX_OPP): New code attr.
  99         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
 100         (aarch64_<su>abd<mode>_3): ... This.
 101         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
 102
 103 2019-06-03  Richard Biener  <rguenther@suse.de>
 104
 105         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
 106         full reference tree and record in ref->ref.
 107         (vn_reference_lookup_3): Pass in original ref to
 108         ao_ref_init_from_vn_reference.
 109         (vn_reference_lookup): Likewise.
 110         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
 111         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
 112         Handle non-decl bases in the original reference.
 113
 114 2019-06-03  Martin Liska  <mliska@suse.cz>
 115
 116         * doc/generic.texi: Remove Java Trees.
 117
 118 2019-06-03  Martin Liska  <mliska@suse.cz>
 119
 120         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
 121         returns 0 when operands are equal.
 122
 123 2019-06-03  Richard Biener  <rguenther@suse.de>
 124
 125         PR tree-optimization/90716
 126         * tree-loop-distribution.c (destroy_loop): Process blocks in
 127         correct order.
 128
 129 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 130
 131         PR target/88837
 132         * vector-builder.h (vector_builder::count_dups): New method.
 133         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
 134         Declare prototype.
 135         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
 136         (vec_init<mode><Vel>): New pattern.
 137         * config/aarch64/aarch64.c (emit_insr): New function.
 138         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
 139         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
 140         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
 141         (aarch64_sve_expand_vector_init): Define two overloaded functions.
 142
 143 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 144
 145         PR tree-optimization/90681
 146         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
 147         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
 148         special case for SLP, but fail on non-groupped loads.
 149
 150 2019-06-03  Martin Liska  <mliska@suse.cz>
 151
 152         * cfg.c (debug): Use TDF_DETAILS for debug and
 153         print edge info only once.
 154
 155 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 156
 157         PR fortran/90539
 158         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
 159
 160 2019-06-01  Martin Sebor  <msebor@redhat.com>
 161
 162         PR middle-end/90694
 163         * tree-pretty-print.c (dump_generic_node): Add parentheses.
 164
 165 2019-05-31  Jan Hubicka  <jh@suse.cz>
 166
 167         * alias.c: Include ipa-utils.h.
 168         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
 169         * ipa-devirt.c (prevailing_odr_type): New.
 170         * ipa-utils.h (previaling_odr_type): Declare.
 171
 172 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 173             Hongtao Liu  <hongtao.liu@intel.com>
 174
 175         PR target/89355
 176         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
 177         NOTE_INSN_DELETED_LABEL check.
 178
 179 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
 180             Robert Suchanek  <robert.suchanek@mips.com>
 181
 182         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
 183         and 3rd operands of the fmadd/fmsub/maddv builtin.
 184
 185 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 186
 187         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
 188         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 189         on OMP_SIMD if not nested inside of worksharing loop that also has
 190         lastprivate conditional clause for the same decl.
 191         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
 192         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
 193         on simd.
 194         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
 195         on simd construct.
 196         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
 197         on simd construct.
 198         (lower_lastprivate_clauses): Likewise.
 199         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
 200         calling lower_rec_input_clauses.
 201         (lower_omp_for): Likewise.
 202         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
 203         clause on simd construct.
 204         * omp-expand.c (expand_omp_simd): Initialize cond_var if
 205         OMP_CLAUSE__CONDTEMP_ clause is present.
 206
 207         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
 208         ivar and lvar.
 209
 210 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 211
 212         PR c/43673
 213         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
 214         TEX_D32, TEX_D64 or TEX_D128.
 215
 216 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 217
 218         * match.pd (~(vec?cst1:cst2)): New transformation.
 219
 220 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
 221
 222         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
 223         ((size_t)(A /[ex] B) CMP C): New transformation.
 224
 225 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
 226
 227         * doc/md.texi: Document define_insn_and_rewrite.
 228         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
 229         * gensupport.c (queue_elem): Update comment.
 230         (replace_operands_with_dups): New function.
 231         (gen_rewrite_sequence): Likewise.
 232         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
 233         * read-rtl.c (apply_subst_iterator): Likewise.
 234         (add_condition_to_rtx, named_rtx_p): Likewise.
 235         (rtx_reader::read_rtx_operand): Likewise.
 236         * config/aarch64/aarch64-sve.md
 237         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
 238         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
 239         define_insn_and_rewrite.
 240         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
 241         Remove separate define_split.
 242
 243 2019-05-31  Jan Hubicka  <jh@suse.cz>
 244
 245         * tree-ssa-alias.c (type_has_components_p): New function.
 246         (aliasing_component_refs_p): Use it.
 247
 248 2019-05-31  Martin Liska  <mliska@suse.cz>
 249
 250         * gdbhooks.py: Add const_tree to TreePrinter.
 251
 252 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
 253
 254         PR debug/86964
 255         * common.opt (feliminate-unused-debug-symbols): Enable by default.
 256         * doc/invoke.texi (Debugging Options): Document new default of
 257         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
 258
 259 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
 260
 261         PR tree-optimization/90671
 262         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
 263         template_block used to be empty on the first call, don't use
 264         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
 265         seq with bb_seq and set it with set_bb_seq.
 266
 267 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
 268
 269         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
 270
 271 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 272             Michael Meissner  <meissner@linux.ibm.com>
 273
 274         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
 275         (prefixed_mem_operand): Likewise.
 276         (non_prefixed_mem_operand): Likewise.
 277         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
 278         prototype.
 279         * config/rs6000/rs6000.c (print_operand_address): Handle
 280         PC-relative addresses.
 281         (mode_supports_prefixed_address_p): New function.
 282         (rs6000_prefixed_address): New function.
 283         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
 284         (SYMBOL_REF_PCREL_P): Likewise.
 285
 286 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 287
 288         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
 289         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
 290         (gimplify_omp_for): If worksharing loop with lastprivate conditional
 291         is nested inside of parallel region, add _condtemp_ clause to both.
 292         * tree-nested.c (convert_nonlocal_omp_clauses,
 293         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
 294         assertion failure.
 295         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
 296         member.
 297         * omp-general.c (omp_extract_for_data): Compute it.
 298         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
 299         (lower_rec_input_clauses): Likewise.
 300         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
 301         clause is already present, just add one further one after it.
 302         (lower_lastprivate_clauses): Handle cond_ptr with array type.
 303         (lower_send_shared_vars): Clear _condtemp_ vars.
 304         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
 305         or section or taskgroup.
 306         * omp-expand.c (determine_parallel_type): Disallow combining only if
 307         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
 308         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
 309         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 310         expand_omp_for_static_chunk, expand_omp_for): Use
 311         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
 312         determine if a special set of API routines are needed and if condtemp
 313         needs to be initialized, while always initialize cond_var if
 314         fd->lastprivate_conditional is non-zero.
 315
 316 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 317             Michael Meissner  <meissner@linux.ibm.com>
 318
 319         * config/rs6000/constraints.md (eI): New constraint.
 320         * config/rs6000/predicates.md (cint34_operand): New predicate.
 321         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
 322         (SIGNED_34BIT_OFFSET_P): Likewise.
 323         * doc/md.texi (eI): Document constraint.
 324
 325 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
 326
 327         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
 328
 329 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
 330             Michael Meissner  <meissner@linux.ibm.com>
 331
 332         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
 333         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
 334         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
 335         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
 336         (OTHER_FUTURE_MASKS): Likewise.
 337         (POWERPC_MASKS): Likewise.
 338         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
 339         specified without -mprefixed-addr or -mcpu=future.  Error if
 340         -mprefixed-addr is specified without -mcpu=future.
 341         (rs6000_opt_masks): Add entry for prefixed-addr.
 342         * rs6000.opt (mprefixed-addr): New option.
 343
 344 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
 345
 346         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
 347         cfun->is_thunk check.
 348
 349 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 350
 351         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
 352         to length.
 353
 354 2019-05-30  Martin Liska  <mliska@suse.cz>
 355
 356         * gdbinit.in: Fix 'ptc' command.  Add trt
 357         that prints TREE_TYPE($).
 358
 359 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
 360             Alan Modra  <amodra@gmail.com>
 361
 362         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
 363         calls here...
 364         (rs6000_indirect_call_template_1): ...and here.
 365         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
 366         plt16_ha, plt16_lo, mtctr indirect calls.  Use
 367         rs6000_pltseq_enum.
 368         (rs6000_decl_ok_for_sibcall): New function.
 369         (rs6000_function_ok_for_sibcall): Refactor.
 370         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
 371         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
 372         when pcrel.  Reorganize.
 373         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
 374         * rs6000.h (rs6000_pltseq_enum): New enum.
 375         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
 376         (*pltseq_tocsave): Use rs6000_pltseq_enum.
 377         (*pltseq_plt16_ha): Likewise.
 378         (*pltseq_plt16_lo): Likewise.
 379         (*pltseq_mtctr): Likewise.
 380         (*pltseq_plt_pcrel): New insn.
 381         (*call_local_aix): Handle @notoc calls.
 382         (*call_value_local_aix): Likewise.
 383         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
 384         (*call_value_nonlocal_aix): Likewise.
 385         (*call_indirect_pcrel): New insn.
 386         (*call_value_indirect_pcrel): Likewise.
 387
 388
 389 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
 390
 391         * config/i386/sse.md (*save_multiple<mode>): Rename from
 392         save_multiple<mode>.
 393         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
 394         (*restore_multiple_and_return<mode>): Rename from
 395         restore_multiple_and_return<mode>.
 396         (*restore_multiple_leave_return<mode>): Rename from
 397         restore_multiple_leave_return<mode>.
 398
 399 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
 400
 401         * config.gcc (rx-*-linux*): New target.
 402         * config/rx/elf.opt: New file.
 403         * config/rx/linux.h: Likewise.
 404         * config/rx/t-linux: Likewise.
 405         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
 406         make it zero.
 407         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
 408         (ASM_APP_OFF): Likewise.
 409         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
 410         moved elsewhere.
 411
 412 2019-05-29  Jan Hubicka  <jh@suse.cz>
 413
 414         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 415         variants are pointer equivalent.
 416
 417 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 418
 419         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 420         * config/aarch64/aarch64-sve2.md: New file.
 421         (<u>avg<mode>3_floor): New pattern.
 422         (<u>avg<mode>3_ceil): Likewise.
 423         (*<sur>h<addsub><mode>): Likewise.
 424         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 425         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 426
 427 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 428
 429         PR bootstrap/90543
 430         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 431         for var_opt_string printing.  In cl_optimization_print_diff, print
 432         (null) instead of invoking undefined behavior if one of the
 433         var_opt_string pointers is NULL and use && instead of first || in the
 434         guarding condition.  For var_target_other options, handle const char *
 435         target variables similarly to const char * optimize node variables.
 436
 437 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 438
 439         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 440         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 441         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 442         Add autib1716 and pacib1716 initialisation.
 443         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 444         for autib1716 and pacib1716.
 445         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 446         aarch64_post_cfi_startproc): Define.
 447         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 448         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 449         aarch64_handle_pac_ret_protection): Set default sign key to A.
 450         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 451         aarch64_expand_prologue): Add check for b-key.
 452         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 453         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 454         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 455         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 456         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 457         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 458         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 459         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 460         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 461         pauth_hint_num_a with pauth_hint_num.
 462         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 463         pauth_hint_num_a with pauth_hint_num.
 464         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 465         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 466         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 467         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 468         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 469         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 470         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 471         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 472         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 473         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 474         UNSPEC_AUTIA1716 respectively.
 475         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 476         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 477         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 478         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 479         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 480
 481 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 482
 483         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 484         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 485         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 486         explicit clause on combined parallel into implicit shared clause.
 487         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 488         and firstprivate if the decl has one too from combined parallel to
 489         the worksharing construct.
 490
 491 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 492             Michael Meissner  <meissner@linux.ibm.com>
 493
 494         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 495
 496 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 497
 498         * rtl.h (LABEL_REF_P): New #define.
 499
 500 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 501
 502         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 503
 504 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 505
 506         * internal-fn.c: Marked mask_load_direct as vectorizable.
 507         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 508         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 509         combined even if masks different with allow_slp_p param.
 510         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 511         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 512         dissolve SLP-only vectorizable groups when SLP has been discarded.
 513         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 514         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 515         masks.
 516         (vect_build_slp_tree_1): Fixed comment typo.
 517         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 518         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 519         loads for SLP only.
 520         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 521         vectorizable.
 522         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 523
 524 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 525
 526         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 527         Remove obsolete use_thunk reference.
 528         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 529         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 530         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 531         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 532         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 533         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 534         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 535         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 536         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 537
 538 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 539
 540         * tree.h (IDENTIFIER_ANON_P): New.
 541         (anon_aggrname_format, anon_aggname_p): Don't declare.
 542         (make_anon_name): Declare.
 543         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 544         (hash_tree): Likewise.
 545         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 546         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 547         (anon_cnt, make_anon_name): New.
 548
 549 2019-05-28  Martin Liska  <mliska@suse.cz>
 550
 551         PR other/90315
 552         * opts-global.c (decode_options): Print help for all
 553         help_option_arguments.
 554         * opts.c (print_help): Add new argument.
 555         (common_handle_option): Remember all values into
 556         help_option_arguments.
 557         * opts.h (print_help): Add new argument.
 558
 559 2019-05-28  Martin Liska  <mliska@suse.cz>
 560
 561         PR ipa/90555
 562         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 563         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 564         (func_checker::compare_bb): Call compare_loops.
 565
 566 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 567
 568         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 569         on sections construct.
 570         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 571         construct.
 572         (lower_omp_sections): Handle lastprivate conditional.
 573         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 574         lastprivate_conditional_map.
 575         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 576
 577         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 578         critical, taskgroup and section regions when looking for a region
 579         with non-NULL lastprivate_conditional_map.
 580
 581 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 582
 583         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 584         (*ix86_gen_sub3): Ditto.
 585         (*ix86_gen_sub3_carry): Ditto.
 586         (*ix86_gen_one_cmpl2): Ditto.
 587         (*ix86_gen_andsp): Ditto.
 588         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 589         (gen_and2_insn): New static function.
 590         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 591         Use gen_add3_insn instead of ix86_gen_add3.
 592         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 593         instead of ix86_gen_add3.
 594         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 595         Use gen_sub3_insn instead of ix86_gen_sub3.
 596         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 597         instead of ix86_gen_add3.
 598         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 599         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 600         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 601         * config/i386/i386-options.c (ix86_option_override_internal):
 602         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 603         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 604
 605 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 606
 607         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 608         and DW_OP_GNU_const_index opcodes.
 609
 610 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 611
 612         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 613
 614 2019-05-27  Richard Biener  <rguenther@suse.de>
 615
 616         PR tree-optimization/90637
 617         * tree-ssa-sink.c (statement_sink_location): Honor the
 618         computed sink location for single-uses.
 619
 620 2019-05-27  Richard Biener  <rguenther@suse.de>
 621
 622         PR middle-end/90610
 623         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 624         a bit-insert.
 625
 626 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 627
 628         * config/i386/i386.md (@sub<mode>3_carry): Rename
 629         from sub<mode>3_carry.
 630         (@leave_<mode>): New expander.
 631         (*leave): Rename from leave.
 632         (*leave_rex64): Rename from leave_rex64.
 633         (@monitorx_<mode>): Rename from monitorx_<mode>.
 634         (@clzero_<mode>): Rename from clzero_<mode>.
 635         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 636         from sse3_monitor_<mode>.
 637         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 638         (*ix86_gen_leave): Ditto.
 639         (*ix86_gen_monitor): Ditto.
 640         (*ix86_gen_monitorx): Ditto.
 641         (*ix86_gen_clzero): Ditto.
 642         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 643         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 644         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 645         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 646         Use gen_sse3_monitor instead of ix86_gen_monitor.
 647         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 648         instead of ix86_gen_monitorx.
 649         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 650         instead of ix86_gen_clzero.
 651         * config/i386/i386-options.c (ix86_option_override_internal):
 652         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 653         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 654
 655 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 656
 657         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 658         Rename from tls_global_dynamic_64_<mode>.
 659         (@tls_local_dynamic_base_64_<mode>): Rename from
 660         tls_local_dynamic_base_64_<mode>.
 661         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 662         Remove indirect function.
 663         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 664         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 665         instead of ix86_gen_tls_global_dynamic_64.
 666         Use gen_tls_local_dynamic_base_64 instead of
 667         ix86_gen_tls_local_dynamic_base_64.
 668         * config/i386/i386-options.c (ix86_option_override_internal):
 669         Do not initialize ix86_gen_tls_global_dynamic_64 and
 670         ix86_gen_tls_local_dynamic_base_64.
 671
 672 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 673
 674         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 675         Rename from pro_epilogue_adjust_stack_<mode>_add.
 676         (@pro_epilogue_adjust_stack_sub_<mode>)
 677         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 678         (@allocate_stack_worker_probe_<mode>):
 679         Rename from allocate_stack_worker_probe_<mode>.
 680         (allocate_stack): Use gen_allocate_stack_worker_probe.
 681         (probe_stack): Use gen_probe_stack_1.
 682         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 683         (@adjust_stack_and_probe_<mode>): Rename from
 684         adjust_stack_and_probe<mode>.
 685         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 686         (stack_protect_set): Use gen_stack_protect_set_1.
 687         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 688         (stack_protect_test): Use gen_stack_protect_test_1.
 689         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 690         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 691         Remove indirect function.
 692         (*ix86_gen_adjust_stack_and_probe): Ditto.
 693         (*ix86_gen_probe_stack_range): Ditto.
 694         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 695         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 696         (ix86_adjust_stack_and_probe_stack_clash): Use
 697         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 698         (ix86_adjust_stack_and_probe): Ditto.
 699         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 700         of ix86_gen_probe_stack_range.
 701         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 702         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 703         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 704         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 705         CODE_FOR_stack_protect_test_{si,di}.
 706         * config/i386/i386-options.c (ix86_option_override_internal):
 707         Do not initialize ix86_gen_allocate_stack_worker,
 708         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 709
 710 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 711
 712         * doc/invoke.texi (Link Options): Many editorial changes around
 713         -flinker-output.
 714
 715 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 716
 717         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 718         pre-Solaris 11 referene and most Studio compiler details.
 719
 720 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 721
 722         PR target/90530
 723         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 724         DImode to SImode in floating-point registers on 64-bit target.
 725         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 726         register_operand in xmpyu patterns.
 727
 728 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 729
 730         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 731         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 732         OMP_CLAUSE__REDUCTEMP_.
 733         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 734         OMP_CLAUSE__CONDTEMP_.
 735         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 736         * tree-pretty-print.c (dump_omp_clause): Likewise.
 737         * tree-nested.c (convert_nonlocal_omp_clauses,
 738         convert_local_omp_clauses): Likewise.
 739         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 740         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 741         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 742         on OMP_FOR.
 743         (gimplify_omp_for): Warn and disable conditional modifier from
 744         lastprivate on loop iterators.
 745         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 746         member.
 747         * omp-general.c (omp_extract_for_data): Initialize it.
 748         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 749         member.
 750         (delete_omp_context): Delete it.
 751         (lower_lastprivate_conditional_clauses): New function.
 752         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 753         handle lastprivate conditional clauses.
 754         (lower_reduction_clauses): Add CLIST argument, emit it into
 755         the critical section if any.
 756         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 757         lower_reduction_clauses callers.
 758         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 759         to lower_lastprivate_clauses.
 760         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 761         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 762         clist into a critical section if not emitted there already by
 763         lower_reduction_clauses.
 764         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 765         callers.
 766         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 767         conditional variables.
 768         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 769         clause is present.
 770         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 771         expand_omp_for_static_chunk): Handle lastprivate conditional.
 772         (expand_omp_for): Handle fd.lastprivate_conditional like
 773         fd.have_reductemp.
 774
 775 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 776
 777         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 778         kernel does not exit cleanly.
 779         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 780
 781 2019-05-24  Jason Merrill  <jason@redhat.com>
 782
 783         Revert:
 784         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 785
 786 2019-05-24  Richard Biener  <rguenther@suse.de>
 787
 788         PR testsuite/90607
 789         * tree-loop-distribution.c (struct partition): Add location
 790         member.
 791         (partition_alloc): Initialize all fields.
 792         (generate_memset_builtin): Use the location recorded in the
 793         partition for the generated call.
 794         (generate_memcpy_builtin): Likewise.
 795         (classify_partition): Record the location of a single store
 796         as location for the partition.
 797
 798 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 799
 800         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 801         for lo-part.
 802
 803 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 804
 805         PR target/90588
 806         * common/config/aarch64/aarch64-common.c
 807         (aarch64_rewrite_selected_cpu): Change local temporary variable
 808         type from unsigned long to uint64_t.
 809         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 810         aarch64_get_extension_string_for_isa_flags): Change declaration to
 811         match new definition by replacing unsigned long with uint64_t.
 812
 813 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 814
 815         PR target/90568
 816         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 817         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 818         Handle stack_protect_test_<mode> codegen similarly to corresponding
 819         sub instruction.
 820
 821 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 822
 823        * config/i386/darwin.h: Reject -mfentry*.
 824        * doc/sourcebuild.texi: Document mfentry target support.
 825
 826 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 827
 828         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 829         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 830         false for PC-relative functions.
 831         (rs6000_output_function_prologue): Change called function name to
 832         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 833         name,1" for PC-relative functions.
 834         (rs6000_elf_declare_function_name): Change called function name to
 835         rs6000_global_entry_point_prologue_needed_p.
 836
 837 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 838
 839         PR target/90552
 840         * config/i386/i386.c (gen_rtx_cost):
 841         Use ix86_tune_cost instead of ix86_cost.
 842
 843 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 844             Michael Meissner  <meissner@linux.ibm.com>
 845             Segher Boessenkool  <segher@kernel.crashing.org>
 846
 847         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 848         OPTION_MASK_PCREL.
 849         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 850         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 851         (rs6000_fndecl_pcrel_p): Likewise.
 852         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 853         error if -mpcrel is requested without -mcpu=future.
 854         (rs6000_opt_masks): Add entry for pcrel.
 855         (rs6000_fndecl_pcrel_p): New function.
 856         (rs6000_pcrel_p): Likewise.
 857         * config/rs6000/rs6000.opt (mpcrel): New option.
 858         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 859
 860 2019-05-23  Jan Hubicka  <jh@suse.cz>
 861             Martin Liska  <mliska@suse.cz>
 862
 863         PR tree-optimization/90576
 864         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 865         poly_int_tree_p.
 866         (aliasing_component_refs_p): Fix three way size compare conditional;
 867         give up earlier in case we can not decide on equivalence.
 868
 869 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 870             Michael Meissner  <meissner@linux.ibm.com>
 871             Segher Boessenkool  <segher@kernel.crashing.org>
 872
 873         * config.gcc: Add future cpu.
 874         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 875         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 876         #define.
 877         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 878         (RS6000_CPU): New instantiation for future cpu.
 879         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 880         PROCESSOR_FUTURE.
 881         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 882         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 883         * config/rs6000/rs6000-tables.opt: Regenerate.
 884         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 885         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 886         (rs6000_machine_from_flags): Handle future cpu.
 887         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 888         PROCESSOR_POWER9 for now.
 889         (rs6000_adjust_cost): Likewise.
 890         (rs6000_issue_rate): Likewise.
 891         (rs6000_register_move_cost): Likewise.
 892         (rs6000_opt_masks): Add entry for future.
 893         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 894         (MASK_FUTURE): New #define.
 895         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 896         * config/rs6000/rs6000.opt (mfuture): New target option.
 897         * doc/invoke.texi (mcpu): Add future cpu.
 898
 899 2019-05-23  Martin Liska  <mliska@suse.cz>
 900
 901         PR c++/90587
 902         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 903         operation points to a temporary (pointed via tree_to_wide_ref)
 904         that is out of scope after the &.
 905
 906 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 907
 908         PR c++/90592
 909         * doc/extend.texi (Function Names): Add missing word.
 910
 911 2019-05-23  Richard Biener  <rguenther@suse.de>
 912
 913         PR tree-optimization/88440
 914         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 915         at -O[2s]+.
 916         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 917         generated call.
 918         (generate_memcpy_builtin): Likewise.
 919         (distribute_loop): Pass in whether to only distribute patterns.
 920         (prepare_perfect_loop_nest): Also allow size optimization.
 921         (pass_loop_distribution::execute): When optimizing a loop
 922         nest for size allow pattern replacement.
 923
 924 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 925
 926         PR target/90568
 927         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 928         of xor.
 929
 930 2019-05-23  Martin Liska  <mliska@suse.cz>
 931
 932         PR sanitizer/90570
 933         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 934         expression similarly to gimplify_decl_expr.
 935
 936 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 937
 938         * cse.c (cse_dump_path): s/dump_file/f.
 939
 940 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 941
 942         PR c++/90462
 943         * diagnostic-format-json.cc: Include "selftest.h".
 944         (json_from_expanded_location): Only add "file" key for non-NULL
 945         file strings.
 946         (json_from_location_range): Don't add "start" and "finish"
 947         children if they are UNKNOWN_LOCATION.
 948         (selftest::test_unknown_location): New selftest.
 949         (selftest::test_bad_endpoints): New selftest.
 950         (selftest::diagnostic_format_json_cc_tests): New function.
 951         * json.cc (json::object::get): New function.
 952         (selftest::test_object_get): New selftest.
 953         (selftest::json_cc_tests): Call it.
 954         * json.h (json::object::get): New decl.
 955         * selftest-run-tests.c (selftest::run_tests): Call
 956         selftest::diagnostic_format_json_cc_tests.
 957         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 958         decl.
 959
 960 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 961             Andrew Stubbs  <amd@codesourcery.com>
 962
 963         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 964         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 965         (kernel): Rename to...
 966         (main_kernel): ... this.
 967         (load_image): Load _init_array and _fini_array kernels.
 968         (run): Add argument for kernel to run.
 969         (main): Run init_array_kernel before main_kernel, and
 970         fini_array_kernel after.
 971         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 972         amdgpu_hsa_kernel attribute on functions.
 973         (gcn_disable_constructors): Delete.
 974         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 975         * config/gcn/crt0.c (size_t): Define.
 976         (_init_array, _fini_array): New.
 977         (__preinit_array_start, __preinit_array_end,
 978         __init_array_start, __init_array_end,
 979         __fini_array_start, __fini_array_end): Declare weak references.
 980
 981 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 982
 983         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 984
 985 2019-05-22  Jason Merrill  <jason@redhat.com>
 986
 987         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 988
 989 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 990
 991         PR target/88483
 992         * config/i386/i386-options.c (ix86_init_machine_status): Set
 993         stack_frame_required to true.
 994         * config/i386/i386.c (ix86_get_frame_size): New function.
 995         (ix86_frame_pointer_required): Replace get_frame_size with
 996         ix86_get_frame_size.
 997         (ix86_compute_frame_layout): Likewise.
 998         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 999         stack_frame_required.
1000         (ix86_finalize_stack_frame_flags): Always call
1001         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
1002         ix86_get_frame_size.
1003         * config/i386/i386.h (machine_function): Add stack_frame_required.
1004
1005 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
1006
1007         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
1008
1009 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1010
1011         * common/config/aarch64/aarch64-common.c
1012         (struct aarch64_option_extension, struct processor_name_to_arch,
1013         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
1014         aarch64_contains_opt,
1015         aarch64_get_extension_string_for_isa_flags): Change type of
1016         variables storing flags to uint64_t.
1017         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
1018         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
1019         * config/aarch64/aarch64.c (struct processor,
1020         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
1021         aarch64_validate_march, aarch64_override_options,
1022         aarch64_option_print, aarch64_handle_attr_isa_flags,
1023         aarch64_declare_function_name, aarch64_start_file): Make flag
1024         variables uint64_t.
1025         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
1026         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
1027         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
1028         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
1029         * config/aarch64/driver-aarch64.c
1030         (struct aarch64_arch_extension, struct aarch64_core_data,
1031         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
1032         flag variables uint64_t.
1033         * doc/invoke.texi: Add documentation for new arguments.
1034
1035 2019-05-22  Richard Biener  <rguenther@suse.de>
1036
1037         * alias.c (ao_ref_from_mem): Move stack-slot sharing
1038         rewrite ...
1039         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
1040
1041 2019-05-22  Martin Liska  <mliska@suse.cz>
1042
1043         PR lto/90500
1044         * doc/extend.texi: Document the change.
1045
1046 2019-05-22  Richard Biener  <rguenther@suse.de>
1047
1048         PR tree-optimization/90450
1049         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
1050         (mem_ref_hasher::equal): Check it.
1051         (mem_ref_alloc): Initialize it.
1052         (gather_mem_refs_stmt): Set it.
1053
1054 2019-05-22  Richard Biener  <rguenther@suse.de>
1055
1056         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
1057         Add ABS_EXPR.
1058         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
1059         as ABSU_EXPR.
1060
1061 2019-05-22  Alan Modra  <amodra@gmail.com>
1062
1063         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
1064         (ASM_CPU_SPEC): Conditionally add -many.
1065         * config/rs6000/rs6000.c (rs6000_machine): New static var.
1066         (rs6000_machine_from_flags, emit_asm_machine): New functions..
1067         (rs6000_file_start): ..extracted from here, and modified to
1068         test all ISA bits.
1069         (rs6000_output_function_prologue): Emit .machine as necessary.
1070         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
1071         power mnemonics.
1072         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
1073         added by check_vect_support_and_set_flags.
1074         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
1075         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
1076
1077 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
1078
1079         PR middle-end/90553
1080         * ira-lives.c (process_bb_node_lives): Consider defs
1081         for a call insn to be die before the call, not after.
1082
1083         * function.c (assign_parm_setup_block): Raise alignment of
1084         stacked parameter only for STRICT_ALIGNMENT targets.
1085
1086 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1087
1088         * config/rs6000/constraints.md (define_register_constraint "wz"):
1089         Delete.
1090         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1091         RS6000_CONSTRAINT_wz.
1092         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1093         (rs6000_init_hard_regno_mode_ok): Adjust.
1094         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
1095         * doc/md.texi (Machine Constraints): Adjust.
1096
1097 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1098
1099         * config/rs6000/constraints.md (define_register_constraint "wl"):
1100         Delete.
1101         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1102         RS6000_CONSTRAINT_wl.
1103         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1104         (rs6000_init_hard_regno_mode_ok): Adjust.
1105         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
1106         * doc/md.texi (Machine Constraints): Adjust.
1107
1108 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1109
1110         * config/rs6000/constraints.md (define_register_constraint "wm"):
1111         Delete.
1112         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1113         RS6000_CONSTRAINT_wm.
1114         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1115         (rs6000_init_hard_regno_mode_ok): Adjust.
1116         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
1117         * doc/md.texi (Machine Constraints): Adjust.
1118
1119 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1120
1121         * config/rs6000/constraints.md (define_register_constraint "wk"):
1122         Delete.
1123         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1124         RS6000_CONSTRAINT_wk.
1125         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1126         (rs6000_init_hard_regno_mode_ok): Adjust.
1127         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
1128         * doc/md.texi (Machine Constraints): Adjust.
1129
1130 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1131
1132         * config/rs6000/constraints.md (define_register_constraint "wj"):
1133         Delete.
1134         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1135         RS6000_CONSTRAINT_wj.
1136         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1137         (rs6000_init_hard_regno_mode_ok): Adjust.
1138         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
1139         (VS_64dm): Delete.
1140         * config/rs6000/vsx.md: Ditto.
1141         * doc/md.texi (Machine Constraints): Adjust.
1142
1143 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
1144
1145         * config/rs6000/constraints.md (define_register_constraint "wh"):
1146         Delete.
1147         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1148         RS6000_CONSTRAINT_wh.
1149         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1150         (rs6000_init_hard_regno_mode_ok): Adjust.
1151         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
1152         * doc/md.texi (Machine Constraints): Adjust.
1153
1154 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1155
1156         PR target/90547
1157         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
1158         Avoid calling gen_lowpart with CONST operand.
1159
1160 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
1161
1162         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
1163         field template_last_to_copy.
1164         (ssa_create_duplicates): Set it, and use it.  Attempt to
1165         preserve more debug stmts.
1166
1167 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1168
1169         * config/i386/sse.md (VF1_AVX2): New mode iterator.
1170         (signbit<mode>2): New expander
1171
1172 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
1173
1174         PR bootstrap/87338
1175         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
1176         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
1177
1178 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
1179
1180         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
1181         %ebx and %ecx bafore calling cpuid with leaf 1 or
1182         non-constant leaf argument.
1183
1184 2019-05-21  Alan Modra  <amodra@gmail.com>
1185
1186         PR target/90545
1187         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
1188         power9 direct move cost.
1189         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
1190         Correct comments and rename functions to suit parameters.
1191
1192 2019-05-21  Richard Biener  <rguenther@suse.de>
1193
1194         PR middle-end/90510
1195         * fold-const.c (fold_read_from_vector): New function.
1196         * fold-const.h (fold_read_from_vector): Declare.
1197         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
1198         single-element insert permutations.  Canonicalize selector
1199         further and fix issue with last commit.
1200
1201 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1202
1203         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
1204         parameter with default value false to declaration.
1205         (split_edges_for_insertion): New inline function.  Wrapper for
1206         split_critical_edges with for_edge_insertion_p = true.
1207         * tree-cfg.c (split_critical_edges): Don't split non-critical
1208         edges if for_edge_insertion_p is false.  Fix whitespace.
1209         * tree-ssa-pre.c (pass_pre::execute): Call
1210         split_edges_for_insertion instead of split_critical_edges.
1211         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
1212         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
1213         (pass_data_sink_code): Update function name in the comment.
1214
1215 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
1216
1217         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
1218         around is_value_included_in that knows how to handle BIT_AND_EXPR.
1219         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
1220         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
1221         positives.
1222
1223 2019-05-21  Martin Liska  <mliska@suse.cz>
1224
1225         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
1226         an extra newline.
1227         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
1228         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
1229         vec_lvsr.
1230         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1231         Quote a C type.
1232         (rs6000_function_arg): Likewise.
1233         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
1234         (rs6000_expand_ternop_builtin): Use interval syntax.
1235         (get_element_number): Likewise.
1236         (altivec_expand_builtin): Likewise.
1237         (rs6000_get_function_versions_dispatcher): Quote target_clones.
1238
1239 Fix test-suite.
1240
1241 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1242
1243         PR c++/59813
1244         PR target/90418
1245         * function.h (struct function): Add calls_eh_return member.
1246         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
1247         gimplifying __builtin_eh_return call.
1248         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
1249         to cfun.
1250         (expand_call_inline): Or in src_cfun->calls_eh_return into
1251         dst_cfun->calls_eh_return.
1252         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
1253         cfun->calls_eh_return.
1254         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
1255         * lto-streamer-out.c (output_struct_function_base): Write
1256         calls_eh_return.
1257
1258 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
1259
1260         PR rtl-optimization/43147
1261         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
1262         IX86_BUILTIN_SHUFPD.
1263
1264 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1265
1266         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
1267         (refs_may_alias_p_1): ... here; update stats.
1268         (refs_may_alias_p): Do not update stats here.
1269
1270 2019-05-20  Richard Biener  <rguenther@suse.de>
1271
1272         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
1273         doesn't produce pointers.
1274         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
1275         the first operand points to.
1276
1277 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
1278
1279         * tree-ssa-alias.c (compare_sizes): New function.
1280         (sompare_type_sizes): New function
1281         (aliasing_component_refs_p): Use it.
1282         (indirect_ref_may_alias_decl_p): Likewise.
1283
1284 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1285
1286         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
1287
1288 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1289
1290         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
1291         (LIBLSAN_EARLY_SPEC): Likewise.
1292         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
1293
1294 2019-05-20  Martin Liska  <mliska@suse.cz>
1295
1296         * config/i386/i386.c (ix86_libc_has_fast_function):
1297         Add ATTRIBUTE_UNUSED for the argument.
1298
1299 2019-05-20  Richard Biener  <rguenther@suse.de>
1300
1301         * gimple-match-head.c: Include vec-perm-indices.h.
1302         * generic-match-head.c: Likewise.
1303         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
1304         is included.
1305         * fold-const.c (fold_vec_perm): Export.
1306         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
1307         (match.pd): ...here.
1308
1309 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
1310
1311         * cfgloop.h (struct loop): Add simdlen member.
1312         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
1313         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
1314         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1315         as new argument to autovectorize_vector_sizes target hook.  If
1316         loop->simdlen, pick up vector size where the vectorization factor
1317         is equal to loop->simd, and if there is none, fall back to the first
1318         successful one.
1319         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1320         caller.
1321         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1322         * omp-general.c (omp_max_vf): Likewise.
1323         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1324         * tree-vect-slp.c (vect_slp_bb): Likewise.
1325         * target.def (autovectorize_vector_sizes): Add ALL argument and
1326         document it.
1327         * doc/tm.texi: Adjust documentation.
1328         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1329         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1330         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1331         bool argument.
1332         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1333         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1334         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1335         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1336         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1337         preferred vector size is not 512-bit or 256-bit, just put those
1338         unpreferred ones last.
1339
1340 2019-05-20  Martin Liska  <mliska@suse.cz>
1341
1342         * targhooks.c (default_libc_has_fast_function): New function.
1343         * targhooks.h (default_libc_has_fast_function): Likewise.
1344
1345 2019-05-20  Martin Liska  <mliska@suse.cz>
1346
1347         PR middle-end/90263
1348         * builtins.c (expand_builtin_memory_copy_args): When having a
1349         target with fast mempcpy implementation do now use memcpy.
1350         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1351         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1352         * doc/tm.texi: Likewise.
1353         * doc/tm.texi.in: Likewise.
1354         * target.def:
1355         * expr.c (emit_block_move_hints): Add 2 new arguments.
1356         * expr.h (emit_block_move_hints): Bail out when libcall
1357         to memcpy would be used.
1358
1359 2019-05-20  Martin Liska  <mliska@suse.cz>
1360
1361         * profile-count.c: Add vertical spacing in order
1362         to separate functions.
1363         * profile-count.h: Likewise.
1364
1365 2019-05-20  Martin Liska  <mliska@suse.cz>
1366
1367         * profile-count.h: Do not use full qualified
1368         names if possible.
1369         * profile-count.c (profile_count::to_frequency): Likewise.
1370
1371 2019-05-20  Martin Liska  <mliska@suse.cz>
1372
1373         * profile-count.h (enum profile_quality): Use capital letters
1374         for enum value names.  Use the adjusted names.
1375         * profile-count.c: Use the adjusted names.
1376
1377 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1378
1379         * config/rs6000/constraints.md (define_register_constraint "wH"):
1380         Delete.
1381         (define_register_constraint "wI"): Delete.
1382         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1383         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1384         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1385         (rs6000_init_hard_regno_mode_ok): Adjust.
1386         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1387         resp. "d", or with "wa" as appropriate, all with "p8v".
1388         * config/rs6000/vsx.md: Ditto.
1389         * doc/md.texi (Machine Constraints): Adjust.
1390
1391 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1392
1393         * config/rs6000/constraints.md (define_register_constraint "wy"):
1394         Delete.
1395         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1396         RS6000_CONSTRAINT_wy.
1397         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1398         (rs6000_init_hard_regno_mode_ok): Adjust.
1399         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1400         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1401         (define_mode_attr Fisa): New.
1402         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1403         * doc/md.texi (Machine Constraints): Adjust.
1404
1405 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1406
1407         * config/rs6000/constraints.md (define_register_constraint "wu"):
1408         Delete.
1409         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1410         RS6000_CONSTRAINT_wu.
1411         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1412         (rs6000_init_hard_regno_mode_ok): Adjust.
1413         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1414         both with "p8v".
1415         (define_mode_attr Fa): Delete.
1416         * config/rs6000/vsx.md: Ditto.
1417         * doc/md.texi (Machine Constraints): Adjust.
1418
1419 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1420
1421         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1422         Delete.
1423         (define_register_constraint "wK"): Delete.
1424         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1425         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1426         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1427         (rs6000_init_hard_regno_mode_ok): Adjust.
1428         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1429         Replace "wK" constraint by "wH" with "p9v".
1430         * config/rs6000/vsx.md: Ditto.
1431         * doc/md.texi (Machine Constraints): Adjust.
1432
1433 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1434
1435         * config/rs6000/constraints.md (define_register_constraint "wb"):
1436         Delete.
1437         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1438         RS6000_CONSTRAINT_wb.
1439         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1440         (rs6000_init_hard_regno_mode_ok): Adjust.
1441         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1442         * config/rs6000/vsx.md: Ditto.
1443         * doc/md.texi (Machine Constraints): Adjust.
1444
1445 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1446
1447         * config/rs6000/constraints.md (define_register_constraint "wo"):
1448         Delete.
1449         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1450         RS6000_CONSTRAINT_wo.
1451         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1452         (rs6000_init_hard_regno_mode_ok): Adjust.
1453         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1454         * config/rs6000/altivec.md: Ditto.
1455         * doc/md.texi (Machine Constraints): Adjust.
1456
1457 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1458
1459         * config/darwin-c.c (darwin_register_objc_includes): Do not
1460         prepend the sysroot when building gnu-runtime header search
1461         paths.
1462
1463 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1464
1465         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1466         instead of direct output of the asm.
1467
1468 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1469
1470         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1471         argument to be type bool (was int before).
1472         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1473         at first use.  Use type bool for some variables.  Fix a theoretical
1474         eh_return bug for svr4.
1475
1476 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1477
1478         * config/rs6000/rs6000.md (isa): New attribute.
1479         (enabled): New attribute.
1480
1481 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1482
1483         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1484         assemble_start_function and assemble_end_function.
1485
1486 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1487
1488         PR middle-end/89433
1489         * omp-general.c (oacc_verify_routine_clauses): Change formal
1490         parameters.  Add checking if already marked with an OpenACC
1491         'routine' directive.  Adjust all users.
1492
1493         PR middle-end/89433
1494         * omp-general.c (oacc_build_routine_dims): Move some of its
1495         processing into...
1496         (oacc_verify_routine_clauses): ... this new function.
1497         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1498
1499 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1500
1501         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1502         formating of picbase labels to match other ports.
1503
1504 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1505
1506         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1507         in the generated code.
1508
1509 2019-05-16  Martin Sebor  <msebor@redhat.com>
1510
1511         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1512         identifiers, keywords, operators, and types in diagnostics.  Correct
1513         quoting, spelling, and sentence capitalization issues.
1514         (expand_builtin_atomic_is_lock_free): Same.
1515         (fold_builtin_next_arg): Same.
1516         * cfgexpand.c (expand_one_var): Same.
1517         (tree_conflicts_with_clobbers_p): Same.
1518         (expand_asm_stmt): Same.
1519         (verify_loop_structure): Same.
1520         * cgraphunit.c (process_function_and_variable_attributes): Same.
1521         * collect-utils.c (collect_execute): Same.
1522         * collect2.c (maybe_run_lto_and_relink): Same.
1523         (is_lto_object_file): Same.
1524         (scan_prog_file): Same.
1525         * convert.c (convert_to_real_1): Same.
1526         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1527         * except.c (verify_eh_tree): Same.
1528         * gcc.c (execute): Same.
1529         (eval_spec_function): Same.
1530         (run_attempt): Same.
1531         (driver::set_up_specs): Same.
1532         (compare_debug_auxbase_opt_spec_function): Same.
1533         * gcov-tool.c (unlink_gcda_file): Same.
1534         (do_merge): Same.
1535         (do_rewrite): Same.
1536         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1537         * gimplify.c (gimplify_asm_expr): Same.
1538         (gimplify_adjust_omp_clauses): Same.
1539         * hsa-gen.c (gen_hsa_addr_insns): Same.
1540         (gen_hsa_insns_for_load): Same.
1541         (gen_hsa_cmp_insn_from_gimple): Same.
1542         (gen_hsa_insns_for_operation_assignment): Same.
1543         (gen_get_level): Same.
1544         (gen_hsa_alloca): Same.
1545         (omp_simple_builtin::generate): Same.
1546         (gen_hsa_atomic_for_builtin): Same.
1547         (gen_hsa_insns_for_call): Same.
1548         * input.c (dump_location_info): Same.
1549         * ipa-devirt.c (compare_virtual_tables): Same.
1550         * ira.c (ira_setup_eliminable_regset): Same.
1551         * lra-assigns.c (lra_assign): Same.
1552         * lra-constraints.c (lra_constraints): Same.
1553         * lto-streamer-in.c (lto_input_mode_table): Same.
1554         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1555         (merge_and_complain): Same.
1556         (compile_offload_image): Same.
1557         (compile_images_for_offload_targets): Same.
1558         (debug_objcopy): Same.
1559         (run_gcc): Same.
1560         (main): Same.
1561         * opts.c (print_specific_help): Same.
1562         (parse_no_sanitize_attribute): Same.
1563         (print_help): Same.
1564         (handle_param): Same.
1565         * plugin.c (add_new_plugin): Same.
1566         (parse_plugin_arg_opt): Same.
1567         (try_init_one_plugin): Same.
1568         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1569         operators, and types in diagnostics.  Correct quoting and spelling
1570         issues.
1571         * read-rtl-function.c (parse_edge_flag_token): Same.
1572         (function_reader::parse_enum_value): Same.
1573         * reg-stack.c (check_asm_stack_operands): Same.
1574         * regcprop.c (validate_value_data): Same.
1575         * sched-rgn.c (make_pass_sched_fusion): Same.
1576         * stmt.c (check_unique_operand_names): Same.
1577         * targhooks.c (default_target_option_pragma_parse): Same.
1578         * tlink.c (recompile_files): Same.
1579         * toplev.c (process_options): Same.
1580         (do_compile): Same.
1581         * trans-mem.c (diagnose_tm_1): Same.
1582         (ipa_tm_scan_irr_block): Same.
1583         (ipa_tm_diagnose_transaction): Same.
1584         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1585         format a tree code name in a diagnostic.
1586         (verify_types_in_gimple_min_lval): Same.
1587         (verify_types_in_gimple_reference): Same.
1588         (verify_gimple_call): Same.
1589         (verify_gimple_assign_unary): Same.
1590         (verify_gimple_assign_binary): Same.
1591         (verify_gimple_assign_ternary): Same.
1592         (verify_gimple_assign_single): Same.
1593         (verify_gimple_switch): Same.
1594         (verify_gimple_label): Same.
1595         (verify_gimple_phi): Same.
1596         (verify_gimple_in_seq): Same.
1597         (verify_eh_throw_stmt_node): Same.
1598         (collect_subblocks): Same.
1599         (gimple_verify_flow_info): Same.
1600         (do_warn_unused_result): Same.
1601         * tree-inline.c (expand_call_inline): Same.
1602         * tree-into-ssa.c (update_ssa): Same.
1603         * tree.c (tree_int_cst_elt_check_failed): Same.
1604         (tree_vec_elt_check_failed): Same.
1605         (omp_clause_operand_check_failed): Same.
1606         (verify_type_variant): Same.
1607         (verify_type): Same.
1608         * value-prof.c (verify_histograms): Same.
1609         * varasm.c (assemble_start_function): Same.
1610
1611 2019-05-16  Martin Sebor  <msebor@redhat.com>
1612
1613         * config/i386/i386-expand.c (get_element_number): Quote keywords
1614         and other internal names in diagnostics.  Adjust other diagnostic
1615         formatting issues noted by -Wformat-diag.
1616         * config/i386/i386-features.c
1617         (ix86_mangle_function_version_assembler_name): Same.
1618         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1619         * config/i386/i386.c (ix86_function_type_abi): Same.
1620         (ix86_function_ms_hook_prologue): Same.
1621         (classify_argument): Same.
1622         (ix86_expand_prologue): Same.
1623         (ix86_md_asm_adjust): Same.
1624         (ix86_memmodel_check): Same.
1625
1626 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1627
1628         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1629         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1630         and fpxx modes.
1631
1632 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1633
1634         PR target/90497
1635         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1636         intrinsics without SSE/SSE2/SSSE3.
1637         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1638         check.
1639         (*mmx_uavgv8qi3): Likewise.
1640
1641 2019-05-17  Richard Biener  <rguenther@suse.de>
1642
1643         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1644         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1645
1646 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1647
1648         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1649         vec_sldw insn pattern.
1650
1651 2019-05-17  Richard Biener  <rguenther@suse.de>
1652
1653         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1654
1655 2019-05-17  Martin Liska  <mliska@suse.cz>
1656
1657         PR driver/90496
1658         * toplev.c (output_stack_usage): With LTO and sanitizer it
1659         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1660         has no file location.
1661
1662 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1663
1664         PR c++/90484
1665         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1666         sz0 is equal to sz1, instead return false in that case.
1667
1668         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1669         has non-constant expression, force sctx.lane and use two
1670         argument IFN_GOMP_SIMD_LANE instead of single argument.
1671         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1672         two argument IFN_GOMP_SIMD_LANE without lhs.
1673         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1674         member.
1675         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1676         Define.
1677         (LOOP_REQUIRES_VERSIONING): Or in
1678         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1679         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1680         simd_if_cond.
1681         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1682         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1683         from simd if clause if needed.
1684
1685 2019-05-16  Richard Biener  <rguenther@suse.de>
1686
1687         * tree-affine.c (expr_to_aff_combination): New function split
1688         out from...
1689         (tree_to_aff_combination): ... here.
1690         (aff_combination_expand): Avoid building a GENERIC tree.
1691
1692 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1693
1694         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1695         assemble_start_function and assemble_end_function calls.
1696         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1697         assemble_start_function and assemble_end_function.
1698         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1699         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1700         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1701         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1702         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1703         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1704         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1705         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1706         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1707         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1708         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1709         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1710         Likewise.
1711         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1712         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1713         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1714         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1715         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1716         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1717         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1718         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1719         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1720         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1721         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1722         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1723         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1724         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1725         Likewise.
1726         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1727         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1728         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1729
1730 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1731
1732         * tree-ssa-alias.c (alias_stats): Add
1733         aliasing_component_refs_p_may_alias and
1734         aliasing_component_refs_p_no_alias.
1735         (dump_alias_stats): Print aliasing_component_refs_p stats.
1736         (aliasing_component_refs_p): Update stats.
1737
1738 2019-05-16  Martin Liska  <mliska@suse.cz>
1739
1740         PR lto/90500
1741         * multiple_target.c (expand_target_clones): Do not allow
1742         target_clones being used with a symbol that is an alias.
1743
1744 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1745
1746         PR tree-optimization/90394
1747         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1748         positives rather than ICE for cases where (code2 == NE_EXPR
1749         && code1 == BIT_AND_EXPR).
1750
1751 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR fortran/90329
1754         * tree-core.h (struct tree_decl_common): Document
1755         decl_nonshareable_flag for PARM_DECLs.
1756         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1757         * calls.c (expand_call): Don't try tail call if caller
1758         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1759         passed on the stack and callee needs to pass any arguments on the
1760         stack.
1761         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1762         else if instead of series of mutually exclusive ifs.  Handle
1763         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1764         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1765
1766         * lto-streamer.h (LTO_major_version): Bump to 9.
1767
1768 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1769
1770         PR tree-optimization/90106
1771         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1772         new parameter as new internal function call, also move it to new
1773         basic block.
1774         (use_internal_fn): Pass internal function call to
1775         shrink_wrap_one_built_in_call_with_conds.
1776
1777 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1778
1779         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1780         max_vf to 1.
1781         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1782         safelen_int and set loop->dont_vectorize.
1783
1784 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1785
1786         PR target/89021
1787         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1788         SSE/SSE2/SSSE3.
1789         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1790         Likewise.
1791         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1792         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1793         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1794         is defined.
1795
1796 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1797
1798         PR target/89021
1799         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1800         define_insn_and_split to support SSE emulation.
1801         (*vec_extractv2sf_0): Likewise.
1802         (*vec_extractv2sf_1): Likewise.
1803         (*vec_extractv2si_0): Likewise.
1804         (*vec_extractv2si_1): Likewise.
1805         (*vec_extractv2si_zext_mem): Likewise.
1806         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1807         (vec_extractv2sf_1 splitter): Likewise.
1808         (vec_extractv2sfsf): Likewise.
1809         (vec_setv2si): Likewise.
1810         (vec_extractv2si_1 splitter): Likewise.
1811         (vec_extractv2sisi): Likewise.
1812         (vec_setv4hi): Likewise.
1813         (vec_extractv4hihi): Likewise.
1814         (vec_setv8qi): Likewise.
1815         (vec_extractv8qiqi): Likewise.
1816         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1817         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1818         (vec_extractv2sisi): Likewise.
1819         (vec_extractv4hihi): Likewise.
1820         (vec_extractv8qiqi): Likewise.
1821         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1822         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1823         (vec_initv2sisi): Likewise.
1824         (vec_initv4hihi): Likewise.
1825         (vec_initv8qiqi): Likewise.
1826         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1827         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1828         (vec_setv4hi): Likewise.
1829         (vec_setv8qi): Likewise.
1830
1831 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1832
1833         PR target/89021
1834         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1835         TARGET_MMX_WITH_SSE.
1836         (MMXMODE:*mov<mode>_internal): Likewise.
1837         (MMXMODE:movmisalign<mode>): Likewise.
1838
1839 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1840
1841         PR target/89021
1842         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1843         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1844         (sse2_cvtpd2pi): Ditto.
1845         (sse2_cvttpd2pi): Ditto.
1846         (*vec_concatv2sf_sse4_1): Ditto.
1847         (*vec_concatv2sf_sse): Ditto.
1848         (*vec_concatv2si_sse4_1): Ditto.
1849         (*vec_concatv2si): Ditto.
1850         (*vec_concatv4si_0): Ditto.
1851         (*vec_concatv2di_0): Ditto.
1852
1853 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1854
1855         PR target/89021
1856         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1857
1858 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1859
1860         PR target/89021
1861         * config/i386/sse.md (ssse3_palignrdi): Changed to
1862         define_insn_and_split to support SSE emulation.
1863
1864 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1865
1866         PR target/89021
1867         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1868
1869 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1870
1871         PR target/89021
1872         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1873         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1874         SSE emulation.
1875
1876 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1877
1878         PR target/89021
1879         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1880         or TARGET_MMX_WITH_SSE.
1881         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1882
1883 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1884
1885         PR target/89021
1886         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1887
1888 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1889
1890         PR target/89021
1891         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1892         Changed to define_insn_and_split to support SSE emulation.
1893
1894 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1895
1896         PR target/89021
1897         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1898         Changed to define_insn_and_split to support SSE emulation.
1899
1900 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1901
1902         PR target/89021
1903         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1904         (*mmx_<emms>): This.
1905         (mmx_<emms>): New expander.
1906
1907 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1908
1909         PR target/89021
1910         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1911         support.
1912         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1913
1914 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1915
1916         PR target/89021
1917         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1918
1919 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1920
1921         PR target/89021
1922         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1923
1924 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         PR target/89021
1927         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1928         TARGET_MMX_WITH_SSE.
1929         (*mmx_uavgv4hi3): Add SSE emulation.
1930
1931 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1932
1933         PR target/89021
1934         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1935         and TARGET_MMX_WITH_SSE.
1936         (*mmx_uavgv8qi3): Add SSE emulation.
1937
1938 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1939
1940         PR target/89021
1941         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1942         maskmovdqu for __MMX_WITH_SSE__.
1943
1944 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1945
1946         PR target/89021
1947         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1948         TARGET_MMX and TARGET_MMX_WITH_SSE.
1949         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1950
1951 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1952
1953         PR target/89021
1954         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1955         define_insn_and_split to support SSE emulation.
1956
1957 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1958
1959         PR target/89021
1960         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1961         and TARGET_MMX_WITH_SSE.
1962         (mmx_<code>v8qi3): Likewise.
1963         (smaxmin:<code>v4hi3): New.
1964         (umaxmin:<code>v8qi3): Likewise.
1965         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1966         (umaxmin:*mmx_<code>v8qi3): Likewise.
1967
1968 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1969
1970         PR target/89021
1971         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1972         TARGET_MMX_WITH_SSE.
1973         (*mmx_pinsrw): Add SSE emulation.
1974
1975 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1976
1977         PR target/89021
1978         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1979
1980 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1981
1982         PR target/89021
1983         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1984         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1985         SSE emulation.
1986
1987 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1988
1989         PR target/89021
1990         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1991         (sse_cvttps2pi): Likewise.
1992
1993 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1994
1995         PR target/89021
1996         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1997         TARGET_MMX_WITH_SSE.
1998         (mmx_pshufw_1): Add SSE emulation.
1999         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
2000         TARGET_MMX_WITH_SSE to support SSE emulation.
2001
2002 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2003
2004         PR target/89021
2005         * config/i386/constraints.md (Yw): New constraint.
2006         * config/i386/mmx.md (*vec_dupv2si): Changed to
2007         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
2008         support SSE emulation.
2009
2010 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2011
2012         PR target/89021
2013         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
2014         TARGET_MMX_WITH_SSE.
2015         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2016         support.
2017         (mmx_gt<mode>3): Likewise.
2018
2019 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2020
2021         PR target/89021
2022         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
2023         TARGET_MMX_WITH_SSE.  Add SSE support.
2024
2025 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2026
2027         PR target/89021
2028         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
2029         TARGET_MMX_WITH_SSE.
2030         (any_logic:<code><mode>3): New.
2031         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
2032         Add SSE support.
2033
2034 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2035
2036         PR target/89021
2037         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
2038         TARGET_MMX_WITH_SSE.  Add SSE emulation.
2039         (mmx_<shift_insn><mode>3): Likewise.
2040         (ashr<mode>3): New.
2041         (<shift_insn><mode>3): Likewise.
2042
2043 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2044
2045         PR target/89021
2046         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
2047         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
2048
2049 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2050
2051         PR target/89021
2052         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
2053         TARGET_MMX_WITH_SSE.
2054         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
2055         SSE support.
2056
2057 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2058
2059         PR target/89021
2060         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
2061         TARGET_MMX_WITH_SSE.
2062         (mulv4hi3): New.
2063         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
2064         support.
2065
2066 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2067
2068         PR target/89021
2069         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
2070         (plusminus:mmx_<plusminus_insn><mode>3): Check
2071         TARGET_MMX_WITH_SSE.
2072         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
2073         (<plusminus_insn><mode>3): New.
2074         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
2075         (*mmx_<plusminus_insn><mode>3): Likewise.
2076
2077 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2078
2079         PR target/89021
2080         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
2081         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
2082         prototype.
2083         * config/i386/mmx.m (mmx_punpckhbw): Changed to
2084         define_insn_and_split to support SSE emulation.
2085         (mmx_punpcklbw): Likewise.
2086         (mmx_punpckhwd): Likewise.
2087         (mmx_punpcklwd): Likewise.
2088         (mmx_punpckhdq): Likewise.
2089         (mmx_punpckldq): Likewise.
2090
2091 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2092             Uros Bizjak  <ubizjak@gmail.com>
2093
2094         PR target/89021
2095         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
2096         New function.
2097         (ix86_split_mmx_pack): Likewise.
2098         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
2099         New prototype.
2100         (ix86_split_mmx_pack): Likewise.
2101         * config/i386/i386.md (mmx_isa): New.
2102         (enabled): Also check mmx_isa.
2103         * config/i386/mmx.md (any_s_truncate): New code iterator.
2104         (s_trunsuffix): New code attr.
2105         (mmx_packsswb): Removed.
2106         (mmx_packssdw): Likewise.
2107         (mmx_packuswb): Likewise.
2108         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
2109         MMX packsswb/packuswb with SSE2.
2110         (mmx_packssdw): Likewise.
2111         * config/i386/predicates.md (register_mmxmem_operand): New.
2112
2113 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2114
2115         PR target/89021
2116         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2117         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
2118         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
2119         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
2120         (ix86_vector_mode_supported_p): Likewise.
2121         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
2122
2123 2019-05-15  Martin Liska  <mliska@suse.cz>
2124
2125         PR middle-end/90478
2126         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2127         Check for overflow.
2128
2129 2019-05-15  Richard Biener  <rguenther@suse.de>
2130
2131         * tree-into-ssa.c (pass_build_ssa::execute): Run
2132         update_address_taken before going into SSA.
2133
2134 2019-05-15  Richard Biener  <rguenther@suse.de>
2135
2136         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
2137         as __BIT_FIELD_REF with type with -gimple.
2138
2139 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
2140
2141         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
2142         semantically equivalent branches (left over after prior refactorings).
2143
2144 2019-05-15  Richard Biener  <rguenther@suse.de>
2145
2146         PR tree-optimization/88828
2147         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
2148         bogus check.
2149
2150 2019-05-14  Richard Biener  <rguenther@suse.de>
2151
2152         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
2153         as __VIEW_CONVERT with -gimple.
2154
2155 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2156
2157         PR target/82920
2158         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
2159         Darwin.
2160
2161 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2162
2163         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
2164         define_split to become a define_insn_and_split.
2165
2166 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
2167
2168         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
2169         arguments.
2170         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
2171         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
2172         (sibcall_epilogue): Adjust.
2173         (epilogue): Adjust.
2174
2175 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2176
2177         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
2178         to unsupported ones.
2179         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
2180         * config.host: Likewise.
2181         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
2182         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
2183         __svr4__]: Remove "brand" fallback.
2184         [!KSTAT_DATA_STRING]: Remove.
2185         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
2186         to *-*-solaris2*.
2187         (comdat_group): Likewise.
2188         (set_have_as_tls): Likewise.
2189         (gcc_cv_target_dl_iterate_phdr): Likewise.
2190         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
2191         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
2192         * configure: Regenerate.
2193         * doc/install.texi: Simplify Solaris target triplets.
2194         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
2195         (Specific, *-*-solaris2*): Document Solaris 10 removal.
2196         Remove Solaris 10 references.
2197         Remove obsolete Solaris bug reference.
2198         (Specific, sparc-sun-solaris2.10): Remove.
2199
2200 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
2201
2202         * config/i386/i386.md (any_div): New code iterator.
2203         (paired_mod): New code attribute.
2204         (sgnprefix): Handle DIV and UDIV RTXes.
2205         (u): Ditto.
2206         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
2207         and udivmod<mode>4 patterns using any_div code iterator.
2208         (divmod splitters): Macroize splitters using any_div code iterator.
2209         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
2210         (*udivmodsi4_pow2_zext_2): Ditto.
2211         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
2212         and *udivmod<mode>4_noext patterns using any_div code iterator.
2213         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
2214         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
2215         patterns using any_div code iterator.
2216         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
2217         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
2218         patterns using any_div code iterator.
2219         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
2220         udivmodhiqi3 patterns using any_extend code iterator.
2221
2222 2019-05-14  Richard Biener  <rguenther@suse.de>
2223             H.J. Lu  <hongjiu.lu@intel.com>
2224
2225         PR tree-optimization/88828
2226         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
2227         permuting in a single non-constant element not extracted
2228         from a vector.
2229
2230 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
2231
2232         * internal-fn.def (SIGNBIT): New.
2233         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
2234         defined.
2235         (signbitv4sf2): Likewise.
2236
2237 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
2238
2239         PR target/90357
2240         * config/mips/mips.c (mips_split_move): Skip forward SRC into
2241         next insn when the SRC reg is dead.
2242
2243 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
2244
2245         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
2246         (alloc_cand_and_find_basis): Ditto.
2247         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
2248         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
2249         (create_add_imm_cand, slsr_process_cast): Ditto.
2250         (slsr_process_copy, replace_mult_candidate): Ditto.
2251         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
2252         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
2253         (pass_strength_reduction::execute): Init the first NULL element.
2254
2255 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2256
2257         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
2258         (run_attempt): Reformat line break.
2259
2260 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
2261
2262         PR target/90418
2263         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
2264         data registers in sibcall epilogues.
2265         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2266
2267 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
2268
2269         PR target/89221
2270         * configure.ac (--enable-frame-pointer):
2271         Disable by default for cygwin and mingw.
2272         * configure: Regenerate.
2273
2274 2019-05-13  Nathan Sidwell  <nathan@acm.org>
2275
2276         * dwarf2out.c (breakout_comdat_types): Move comment to correct
2277         piece of code.
2278         (const_ok_for_output_1): Balance parens around #if/#else/#endif
2279         (gen_member_die): Move abstract origin check earlier.  Only VARs
2280         can be static_inline_p.  Simplify splicing control flow.
2281
2282 2019-05-13  Richard Biener  <rguenther@suse.de>
2283
2284         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
2285         VIEW_CONVERT_EXPR.
2286         (vect_build_slp_tree_1): Likewise.
2287
2288 2019-05-13  Richard Biener  <rguenther@suse.de>
2289
2290         PR tree-optimization/90402
2291         * tree-if-conv.c (tree_if_conversion): Value number only
2292         the loop body by making the latch an exit of the region
2293         as well.
2294         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
2295         processing PHIs.
2296         (do_rpo_vn): Deal with multiple edges into the entry block
2297         that are not backedges inside the region by skipping PHIs
2298         of the entry block.
2299
2300 2019-05-13  Richard Biener  <rguenther@suse.de>
2301
2302         PR tree-optimization/90316
2303         * tree-ssa-pre.c (insert_aux): Fold into ...
2304         (insert): ... this function.  Use a RPO walk to reduce the
2305         number of required iterations.
2306
2307 2019-05-13  Martin Liska  <mliska@suse.cz>
2308
2309         PR tree-optimization/90416
2310         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
2311         string instead of passing the second part as va_arg argument.
2312
2313 2019-05-13  Martin Liska  <mliska@suse.cz>
2314
2315         PR gcov-profile/90380
2316         * gcov.c (handle_cycle): Do not support zero cycle count,
2317         it should not be possible.
2318         (path_contains_zero_cycle_arc): New function.
2319         (circuit): Ignore zero cycle arc counts.
2320
2321 2019-05-13  Martin Liska  <mliska@suse.cz>
2322
2323         PR gcov-profile/90380
2324         * gcov.c (enum loop_type): Remove the enum and
2325         the operator.
2326         (handle_cycle): Assert that we should not reach
2327         a negative count.
2328         (circuit): Use loop_found instead of a tri-state loop_type.
2329         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2330         happen.
2331
2332 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2333
2334         PR target/82920
2335         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2336         (ix86_output_indirect_branch_via_reg): Use output mechanism
2337         accounting for __USER_LABEL_PREFIX__.
2338         (ix86_output_indirect_branch_via_push): Likewise.
2339         (ix86_output_function_return): Likewise.
2340         (ix86_output_indirect_function_return): Likewise.
2341
2342 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2343
2344         * doc/md.texi: Document use of code attributes in rtx patterns.
2345         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2346         * read-rtl.c (find_code): Split out search loops into...
2347         (maybe_find_code): ...this new function.
2348         (check_code_iterator): Make the error message more informative.
2349         (check_code_attribute): New function.
2350         (rtx_reader::rtx_alloc_for_name): Likewise.
2351         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2352         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2353         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2354         <max_opp> directly as an rtx code instead of via a match_operator.
2355         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2356         (<su>abd<mode>_3): Update accordingly.
2357
2358 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2359
2360         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2361         is given, print the state of the EH "save world" computation for
2362         Darwin.
2363
2364 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2365
2366         PR c++/59813
2367         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2368         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2369
2370 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2371
2372         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2373         Use pinsrd for TARGET_SSE4_1.
2374         * config/i386/sse.md (movdi_to_sse): Ditto.
2375
2376 2019-05-10  Richard Biener  <rguenther@suse.de>
2377
2378         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2379         (do_rpo_vn): Initialize next_value_id.
2380
2381 2019-05-10  Martin Liska  <mliska@suse.cz>
2382
2383         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2384         Fix plural form.
2385
2386 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2387
2388         PR tree-optimization/90385
2389         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2390         arguments of the exit phis.
2391
2392         PR c++/90383
2393         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2394         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2395         id->do_not_fold.
2396         (copy_tree_body_r): Likewise.
2397         (copy_fn): Set id.do_not_fold to true.
2398
2399 2019-05-10  Martin Liska  <mliska@suse.cz>
2400
2401         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2402         Reapply changes from r269790.
2403
2404 2019-05-10  Martin Liska  <mliska@suse.cz>
2405
2406         PR middle-end/90340
2407         * doc/invoke.texi: New params.
2408         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2409         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2410         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2411         Use it.
2412         * tree-switch-conversion.h (struct jump_table_cluster):
2413         Likewise.
2414
2415 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2416
2417         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2418
2419 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2420
2421         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2422
2423 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2424
2425         PR rtl-optimization/88879
2426         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2427
2428 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2429
2430         PR target/90405
2431         * config/arm/arm.c (callee_saved_reg_p): Move before
2432         thumb_find_work_register.
2433         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2434         thumb_find_work_register.  Only call df_get_live_out once.
2435         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2436         (thumb_find_work_register): Use
2437         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2438         algorithms to locate a spare call clobbered reg.
2439
2440 2019-05-09  Martin Liska  <mliska@suse.cz>
2441
2442         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2443         and MAX_EXPR in GIMPLE FE format.
2444
2445 2019-05-09  Martin Liska  <mliska@suse.cz>
2446
2447         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2448         * gimple-pretty-print.c (dump_gimple_bb_header):
2449         Dump BB count.
2450         (pp_cfg_jump): Dump edge probability.
2451         * profile-count.c (profile_quality_as_string): Simplify
2452         with a static array.
2453         (parse_profile_quality): New function.
2454         (profile_count::dump): Simplify with a static array.
2455         (profile_count::from_gcov_type): Add new argument.
2456         * profile-count.h (parse_profile_quality): Likewise.
2457         * predict.h (set_hot_bb_threshold): New.
2458         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2459         New param.
2460         * predict.c (get_hot_bb_threshold): Set from the new param.
2461         (set_hot_bb_threshold): New.
2462
2463 2019-05-09  Richard Biener  <rguenther@suse.de>
2464
2465         PR tree-optimization/90395
2466         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2467         rewrite vector stores that throw internally.
2468
2469 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2470
2471         * cif-code.def (CHKP): Remove.
2472
2473         PR target/89221
2474         * configure.ac (--enable-frame-pointer): Disable by default for
2475         GNU systems.
2476         * configure: Regenerate.
2477
2478 2019-05-09  Alan Modra  <amodra@gmail.com>
2479
2480         PR target/89271
2481         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2482         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2483         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2484         cost for general <-> vsx when direct moves are available.
2485         Cost union classes at minimal cost for any reg in the class.
2486         Correct calculation for moves between vsx, float, and altivec.
2487         Don't return a low cost for moves between special regs.  Don't
2488         use hard coded register numbers.
2489         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2490         (rs6000_ira_change_pseudo_allocno_class): New function.
2491         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2492         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2493         alternatives.
2494         (movsi_internal1): Don't disparage vector alternatives.
2495         (mov<mode>_internal): Likewise, excepting alternative that
2496         will be split.
2497         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2498         we <- b alternative.
2499
2500 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR c++/59813
2503         PR tree-optimization/89060
2504         * tree-ssa-live.h (live_vars_map): New typedef.
2505         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2506         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2507         (struct compute_live_vars_data): New type.
2508         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2509         live_vars_at_stmt, destroy_live_vars): New functions.
2510         * tree-tailcall.c: Include tree-ssa-live.h.
2511         (live_vars, live_vars_vec): New global variables.
2512         (find_tail_calls): Perform variable life analysis before punting.
2513         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2514         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2515         member.
2516         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2517         Perform variable life analysis to select variables that really need
2518         clobbers added.
2519         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2520         instead set id->eh_landing_pad_dest and assert it is the same.
2521         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2522
2523 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2524             Richard Earnshaw  <rearnsha@arm.com>
2525
2526         PR target/88167
2527         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2528         function.
2529         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2530         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2531         register if both the epilogue and prologue can use call-clobbered
2532         regs.
2533         (thumb1_unexpanded_epilogue): Use
2534         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2535         picking temporaries for restoring high regs to match that of the
2536         prologue where possible.
2537         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2538         the list of work registers.  Detect if the return address is still live
2539         at the end of the prologue and avoid using it for a work register if so.
2540         If the return address is not live, add LR to the list of pushable regs
2541         after the first pass.
2542
2543 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2544
2545         PR tree-optimization/90078
2546         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2547         (INFTY): Increase the value for infinite cost.
2548         (struct comp_cost): Promote type of members to int64_t.
2549         (infinite_cost): Don't set complexity in initialization.
2550         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2551         overflows to infinite_cost.
2552         (adjust_setup_cost): Promote type of parameter and cost computation
2553         to int64_t.
2554         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2555         int64_t.
2556         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2557         cost computation to int64_t.
2558         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2559         int64_t's format specifier in dump.
2560
2561 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2562
2563         PR tree-optimization/90240
2564         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2565         with respect to scaling factor pre-computed for each basic block.
2566         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2567         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2568         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2569         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2570         live range for array of loop's basic blocks.  Cleanup aux field of
2571         loop's basic blocks.
2572
2573 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2574
2575         PR tree-optimization/90356
2576         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2577
2578 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2579
2580         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2581         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2582         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2583         (ix86_handle_option): Handle -mavx512bf16.
2584         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2585         to extra_headers.
2586         * config/i386/avx512bf16vlintrin.h: New.
2587         * config/i386/avx512bf16intrin.h: New.
2588         * config/i386/cpuid.h (bit_AVX512BF16): New.
2589         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2590         * config/i386/i386-builtin-types.def: Add new types.
2591         * config/i386/i386-builtin.def: Add new builtins.
2592         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2593         __AVX512BF16__.
2594         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2595         (ix86_option_override_internal): Handle BF16.
2596         (ix86_valid_target_attribute_inner_p): Ditto.
2597         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2598         * config/i386/i386-builtin.c (enum processor_features): Add
2599         F_AVX512BF16.
2600         (static const _isa_names_table isa_names_table): Ditto.
2601         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2602         (PTA_AVX512BF16): Ditto.
2603         * config/i386/i386.opt: Add -mavx512bf16.
2604         * config/i386/immintrin.h: Include avx512bf16intrin.h
2605         and avx512bf16vlintrin.h.
2606         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2607         avx512f_cvtneps2bf16_<mode><mask_name>,
2608         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2609         * config/i386/subst.md (mask_half): Add new subst.
2610         * doc/invoke.texi: Document -mavx512bf16.
2611
2612 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2613
2614         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2615         Delete declaration.
2616         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2617         (rs6000_debug_legitimize_reload_address): Delete.
2618         (rs6000_legitimize_reload_address_ptr): Delete.
2619         (rs6000_option_override_internal): Adjust.
2620         (mem_operand_gpr): Adjust comment.
2621         (legitimate_lo_sum_address_p): Ditto.
2622         (rs6000_legitimize_reload_address): Delete.
2623         (rs6000_debug_legitimize_reload_address): Delete.
2624         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2625
2626 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2627
2628         PR target/89765
2629         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2630         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2631         to compute vector element selector for both constant and variable
2632         operands.
2633
2634 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2635
2636         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2637         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2638         ashrdi3_cvt using SWI48 mode iterator.
2639
2640 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2641
2642         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2643         (aarch64_<su>abd<mode>_3): Likewise.
2644         (*aarch64_<su>abd<mode>_3): New define_insn.
2645         (<sur>sad<vsi2qi>): New define_expand.
2646         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2647         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2648         (build_vect_cond_expr): Likewise.
2649
2650 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2651
2652         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2653         clobbers outside of accessible_reg_set.
2654         * config/i386/i386.c (ix86_conditional_register_usage):
2655         Disable register sets by clearing corresponding bits in
2656         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2657         call_used_regs and don't clear corresponding reg_names array members.
2658
2659 2019-05-07  Richard Biener  <rguenther@suse.de>
2660
2661         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2662         not specified still compute a comp_vectype for invariant
2663         compares.
2664
2665 2019-05-07  Richard Biener  <rguenther@suse.de>
2666
2667         PR tree-optimization/90316
2668         * tree-ssa-pre.c (translate_vuse_through_block): When
2669         same_valid is NULL do not bother to search for a virtual
2670         PHI continuation.
2671         (phi_translate_1): When operands changed we cannot keep
2672         the same value-number so do not bother to ask whether
2673         that's possible from translate_vuse_through_block.
2674
2675 2019-05-07  Martin Liska  <mliska@suse.cz>
2676
2677         * bitmap.c (bitmap_register): Come up with
2678         alloc_descriptor_max_uid and assign it for
2679         a new bitmap.
2680         (register_overhead): Use get_descriptor as
2681         a descriptor.
2682         (release_overhead): New.
2683         (bitmap_elem_to_freelist): Call it.
2684         (bitmap_elt_clear_from): Likewise.
2685         (bitmap_obstack_free): Likewise.
2686         (bitmap_move): Sensitively release memory.
2687         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2688         (bitmap_initialize): Initialize alloc_descriptor to zero.
2689         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2690
2691 2019-05-07  Richard Biener  <rguenther@suse.de>
2692
2693         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2694         we build a SLP node.  Remove max_size and limiting.
2695         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2696
2697 2019-05-07  Richard Biener  <rguenther@suse.de>
2698
2699         PR tree-optimization/90316
2700         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2701         limit by reference.
2702         (walk_non_aliased_vuses): Take walking limit argument.
2703         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2704         walking if it is reached instead of just counting.
2705         (get_continuation_for_phi): Likewise.
2706         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2707         limiting to the callback.
2708         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2709         (vn_reference_lookup_3): Likewise.
2710         (vn_reference_lookup_pieces): Likewise.
2711         (vn_reference_lookup): Likewise.
2712         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2713         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2714         (avail_exprs_stack::lookup_avail_expr): Likewise.
2715
2716 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2717
2718         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2719         for comparaible types in the second direction even if first one
2720         hits incomparable type.
2721
2722 2019-05-07  Richard Biener  <rguenther@suse.de>
2723
2724         PR lto/90369
2725         * lto-wrapper.c (debug_objcopy): Use the original filename
2726         including archive offset for the filename used for -save-temps.
2727
2728 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2729
2730         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2731         detection.
2732
2733 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2734             Hongtao Liu  <hongtao.liu@intel.com>
2735
2736         PR target/89750
2737         PR target/86444
2738         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
2739         Modified, original implementation isn't correct.
2740
2741 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2742
2743         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2744         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2745         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2746         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2747         (FRAME_POINTER_REGNUM): Change numbering.
2748         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2749         (alt_reg_names): Adjust.
2750         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2751         fixed.
2752         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2753         (DWARF_FRAME_REGISTERS): Delete.
2754         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2755         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2756         Adjust.
2757         (REG_ALLOC_ORDER): Adjust.
2758         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2759         (REG_CLASS_CONTENTS): Adjust.
2760         (RETURN_ADDR_RTX): Change comment.
2761         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2762         instead of 67.
2763         (REGISTER_NAMES): Adjust.
2764         (ADDITIONAL_REGISTER_NAMES): Adjust.
2765         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2766
2767 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2768
2769         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2770         Delete.
2771         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2772         (DWARF_FRAME_REGISTERS): Adjust.
2773         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2774         Adjust.
2775         (REG_ALLOC_ORDER): Adjust.
2776         (enum reg_class): Delete SPR_REGS.
2777         (REG_CLASS_NAMES): Delete SPR_REGS.
2778         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2779         (REGISTER_NAMES): Adjust.
2780         (ADDITIONAL_REGISTER_NAMES): Adjust.
2781         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2782         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2783         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2784         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2785         (htm_spr_regno): Delete.
2786         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2787         argument.
2788         (rs6000_dbx_register_number): Adjust.
2789
2790 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2791
2792         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2793
2794 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2795
2796         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2797         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2798
2799 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2800
2801         PR tree-optimization/88709
2802         PR tree-optimization/90271
2803         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2804         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2805         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2806         variable.
2807         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2808         of the store merging group is larger than
2809         PARAM_STORE_MERGING_MAX_SIZE parameter.
2810         (split_group): Add bzero_first argument.  If set, always emit first
2811         the first store which must be = {} of the whole area and then for the
2812         rest of the stores consider all zero bytes as paddings.
2813         (imm_store_chain_info::output_merged_store): Check if first store
2814         is = {} of the whole area and if yes, determine which setting of
2815         bzero_first for split_group gives smaller number of stores.  Adjust
2816         split_group callers.
2817         (lhs_valid_for_store_merging_p): Allow decls.
2818         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2819         no elts.
2820         (pass_store_merging::process_store): Likewise.
2821
2822 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2823
2824         PR target/89424
2825         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2826         handling of V1TImode.
2827
2828 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2829
2830         PR target/89221
2831         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2832         and enable_frame_pointer ...
2833         * configure.ac: ... here.  Update help strings for
2834         --enable-frame-pointer.
2835         * configure: Regenerate.
2836         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2837         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2838         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2839         (USE_X86_64_FRAME_POINTER): Ditto.
2840
2841 2019-05-06  Martin Liska  <mliska@suse.cz>
2842
2843         * config.gcc: Append to target_gtfiles and fix indentation.
2844
2845 2019-05-06  Richard Biener  <rguenther@suse.de>
2846
2847         PR tree-optimization/90358
2848         * tree-vect-stmts.c (get_group_load_store_type): Properly
2849         detect unused upper half of load.
2850         (vectorizable_load): Likewise.
2851
2852 2019-05-06  Richard Biener  <rguenther@suse.de>
2853
2854         PR tree-optimization/88828
2855         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2856         (simplify_vector_constructor): ...here.  Handle constants in
2857         the constructor.
2858
2859 2019-05-06  Richard Biener  <rguenther@suse.de>
2860
2861         PR tree-optimization/90328
2862         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2863         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2864         is valid in the loop nest before using it.
2865         (initialize_data_dependence_relation): Adjust.
2866         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2867         loop as loop-nest to dr_may_alias_p.
2868
2869 2019-05-06  Richard Biener  <rguenther@suse.de>
2870
2871         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2872
2873 2019-05-06  Richard Biener  <rguenther@suse.de>
2874
2875         PR tree-optimization/90316
2876         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2877         compute target on demand.
2878         (get_continuation_for_phi): Remove code walking stmts to
2879         get to a target virtual operand which could end up being
2880         quadratic.
2881
2882 2019-05-06  Martin Liska  <mliska@suse.cz>
2883
2884         PR sanitizer/90312
2885         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2886         when -mabi is selected to a non-default version.
2887
2888 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2889             Martin Liska  <mliska@suse.cz>
2890
2891         * Makefile.in: Add lto-dump.texi.
2892         * cgraph.h: Add new functions get_visibility_string and
2893         get_symtab_type_string.
2894         * doc/gcc.texi: Include lto-dump section.
2895         * doc/lto-dump.texi: New file.
2896         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2897         (parse_dump_option): Factor out this function.
2898         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2899         (parse_dump_option): Export the function.
2900         * symtab.c (symtab_node::get_visibility_string): New function.
2901         (symtab_node::get_symtab_type_string): Likewise.
2902
2903 2019-05-06  Martin Liska  <mliska@suse.cz>
2904
2905         * config/i386/i386-builtins.c: New file.
2906         * config/i386/i386-builtins.h: New file.
2907         * config/i386/i386-expand.c: New file.
2908         * config/i386/i386-expand.h: New file.
2909         * config/i386/i386-features.c: New file.
2910         * config/i386/i386-features.h: New file.
2911         * config/i386/i386-options.c: New file.
2912         * config/i386/i386-options.h: New file.
2913         * config.gcc: Add new files into extra_objs and
2914         target_gtfiles.
2915         * config/i386/i386.c: Split content of the file
2916         into newly introduced files.
2917         * config/i386/i386.h: Declare common variables
2918         and macros.
2919         * config/i386/t-i386: Define dependencies for new files.
2920
2921 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2922
2923         PR target/89400
2924         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2925         Restrict 'all' variant to 32-bit configurations.
2926         (unaligned_loadhiu): Likewise.
2927         (unaligned_storehi): Likewise.
2928         (unaligned_storesi): Likewise.
2929         (unaligned_loadhis): Disable when compiling for thumb1.
2930
2931 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2932
2933         PR tree-optimization/90269
2934         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2935         Ignore clobbers.
2936
2937 2019-05-03  Martin Liska  <mliska@suse.cz>
2938
2939         * hash-map.h: Add is_empty function.
2940         * hash-set.h: Likewise.
2941         * hash-table.h: Likewise.
2942         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2943         elements () == 0 (and similar usages).
2944         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2945         * gimplify.c (gimplify_bind_expr): Likewise.
2946         (gimplify_switch_expr): Likewise.
2947         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2948         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2949         * postreload-gcse.c (dump_hash_table): Likewise.
2950         (gcse_after_reload_main): Likewise.
2951         * predict.c (combine_predictions_for_bb): Likewise.
2952         * tree-parloops.c (reduction_phi): Likewise.
2953         (separate_decls_in_region): Likewise.
2954         (transform_to_exit_first_loop): Likewise.
2955         (gen_parallel_loop): Likewise.
2956         (gather_scalar_reductions): Likewise.
2957         (try_create_reduction_list): Likewise.
2958         * var-tracking.c (dump_vars): Likewise.
2959         (emit_notes_for_changes): Likewise.
2960         (vt_emit_notes): Likewise.
2961
2962 2019-05-03  Richard Biener  <rguenther@suse.de>
2963
2964         PR tree-optimization/90316
2965         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2966         before running VN.
2967
2968 2019-05-03  Richard Biener  <rguenther@suse.de>
2969
2970         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2971         peeling for gaps by loading only lower halves of vectors
2972         if possible.
2973         (vectorizable_load): Likewise.
2974
2975 2019-05-03  Richard Biener  <rguenther@suse.de>
2976
2977         PR middle-end/89518
2978         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2979
2980 2019-05-03  Richard Biener  <rguenther@suse.de>
2981
2982         PR middle-end/87314
2983         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2984         Handle STRING_CST vs DECL or STRING_CST.
2985
2986 2019-05-03  Richard Biener  <rguenther@suse.de>
2987
2988         PR tree-optimization/88963
2989         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2990         vector loads feeding only BIT_FIELD_REFs to component
2991         loads.  Rewrite stores fed by CONSTRUCTORs to component
2992         stores.
2993
2994 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2995
2996         * opts.h (finish_options): Remove lang_mask argument.
2997         (print_help, help_option_argument): Declare.
2998         * opts.c (print_help): Remove forward declaration, no longer static.
2999         (finish_options): Remove lang_mask argument, don't call print_help
3000         here.
3001         * opts-global.c (decode_options): Adjust finish_option caller, call
3002         print_help here.
3003
3004         PR tree-optimization/90303
3005         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
3006         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
3007
3008 2019-05-03  Richard Biener  <rguenther@suse.de>
3009
3010         PR tree-optimization/89698
3011         * gimple-fold.c (canonicalize_constructor_val): Early out
3012         for constants, handle unfolded INTEGER_CSTs as they appear in
3013         C++ virtual table ctors.
3014
3015 2019-05-03  Richard Biener  <rguenther@suse.de>
3016
3017         * passes.c (execute_function_todo): Remove dead code.
3018
3019 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3020
3021         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
3022         the internal register number, for any "real" register.
3023
3024 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
3025
3026         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
3027         correct numbers for TFHAR, TFIAR, TEXASR.
3028
3029 2019-05-02  Richard Biener  <rguenther@suse.de>
3030
3031         PR tree-optimization/89653
3032         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
3033         update-address-taken before the pass.
3034         * passes.def (pass_tree_loop_init): Put comment before it.
3035
3036 2019-05-02  Richard Biener  <rguenther@suse.de>
3037
3038         PR tree-optimization/89509
3039         * tree-ssa-structalias.c (compute_dependence_clique): Look
3040         at the first subvar when determining whether it is restrict.
3041
3042 2019-05-02  Richard Biener  <rguenther@suse.de>
3043
3044         PR tree-optimization/90273
3045         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
3046         useless debug stmts.
3047
3048 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3049
3050         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
3051         ACLE branch.
3052         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
3053         SVE ACLE branch.
3054         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
3055         VEC_COND_EXPR be inserted to emulate a conditional internal function.
3056         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
3057         (vectorizable_reduction): Use the functions above to vectorize in a
3058         fully masked loop codes that don't have a conditional internal
3059         function.
3060
3061 2019-05-02  Martin Liska  <mliska@suse.cz>
3062
3063         * cgraphclones.c: Call valid_attribute_p with 1 for
3064         target_clone.
3065         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
3066         it's for target attribute.
3067         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
3068         Add new boolean argument.
3069         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
3070         Likewise.
3071         (ix86_valid_target_attribute_tree): Pass target_clone_attr
3072         to ix86_valid_target_attribute_inner_p.
3073         (ix86_valid_target_attribute_p): Pass flags argument to
3074         ix86_valid_target_attribute_inner_p.
3075         (get_builtin_code_for_version): Use 0 as it's target attribute.
3076
3077 2019-05-02  Martin Liska  <mliska@suse.cz>
3078
3079         * gcc.c (process_command): Add dummy file only
3080         if n_infiles == 0.
3081         * opts-global.c (decode_options): Pass lang_mask.
3082         * opts.c (print_help): New function.
3083         (finish_options): Print --help if help_option_argument
3084         is set.
3085         (common_handle_option): Factor out content of OPT__help_
3086         into print_help.
3087         * opts.h (finish_options): Add new argument.
3088
3089 2019-05-02  Martin Liska  <mliska@suse.cz>
3090
3091         PR target/88809
3092         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
3093         With -minline-all-stringops use inline expansion using 4B loop.
3094         * doc/invoke.texi: Document the change of
3095         -minline-all-stringops.
3096
3097 2019-05-01  Jeff Law  <law@redhat.com>
3098
3099         PR tree-optimization/88797
3100         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
3101         PHI feeds a conditional on the RHS of an assignment.
3102
3103 2019-04-30  Andrew Waterman  <andrew@sifive.com>
3104             Jim Wilson  <jimw@sifive.com>
3105
3106         * config/riscv/constraints.md (L): New.
3107         * config/riscv/predicates.md (lui_operand): New.
3108         (sfb_alu_operand): New.
3109         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
3110         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
3111         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
3112         * config/riscv/risc.md (type): Add sfb_alu.
3113         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
3114         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
3115         (branch_zero<mode>): Delete.
3116         (mov<mode>cc): New.
3117         (mov<GPR:mode><X:mode>cc): Likewise.
3118         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
3119
3120 2019-04-30  Nathan Sidwell  <nathan@acm.org>
3121
3122         * tree.h (MARK_TS_EXP): New.
3123
3124 2019-04-30  Martin Liska  <mliska@suse.cz>
3125
3126         * opts.c (enable_warning_as_error): Provide hints
3127         for unknown options.
3128
3129 2019-04-30  Martin Liska  <mliska@suse.cz>
3130
3131         PR debug/90288
3132         * doc/invoke.texi: Add missing dash for gas-locview-support
3133         and gno-as-locview-support.
3134
3135 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3136
3137         PR target/89093
3138         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
3139         whitespace at the start of target attribute string.
3140
3141 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3142
3143         PR target/86538
3144         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
3145         Define __ARM_FEATURE_ATOMICS.
3146
3147 2019-04-30  Martin Liska  <mliska@suse.cz>
3148
3149         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
3150         into built_in_function enum. Remove code for endp == 2 and
3151         use BUILT_IN_* constants.
3152         (gimple_fold_builtin): Call the function with fcode.
3153
3154 2019-04-30  Martin Liska  <mliska@suse.cz>
3155
3156         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
3157         DECL_FUNCTION_CODE into ix86_builtins enum before
3158         the switch statement.
3159
3160 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
3161
3162         PR tree-optimization/89475
3163         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
3164         calls.
3165
3166 2019-04-30  Martin Liska  <mliska@suse.cz>
3167
3168         PR translation/90274
3169         * opts.c (print_filtered_help): Wrap string in _(...).
3170
3171 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
3172
3173         PR tree-optimization/90240
3174         Revert:
3175         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3176
3177         PR tree-optimization/90078
3178         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3179         checks for infinite_cost overflow.
3180
3181 2019-04-29  Jeff Law  <law@redhat.com>
3182
3183         * passes.def: Move -Wrestrict pass after copy propagation.
3184
3185 2019-04-29  Maya Rashish  <coypu@sdf.org>
3186
3187         * config.gcc (default_gnu_indirect_function): Default to yes
3188         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
3189         sparc*-*-netbsd*, x86_64-*-netbsd*.
3190
3191 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
3192
3193         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
3194         where cond2 is NE_EXPR.
3195         (is_value_included_in): Update comment.
3196
3197 2019-04-29  Richard Biener  <rguenther@suse.de>
3198
3199         PR tree-optimization/90278
3200         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
3201         EH on comparison simplification.
3202
3203 2019-04-29  Jason Merrill  <jason@redhat.com>
3204
3205         PR c++/82081 - tail call optimization breaks noexcept
3206         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
3207         nothrow function to a might-throw function into a tail call.
3208
3209 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
3210
3211         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
3212         (DDR_INNER_LOOP): Likewise.
3213         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
3214         (initialize_data_dependence_relation): Likewise.
3215         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
3216
3217 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
3218
3219         PR rtl-optimization/90257
3220         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
3221         return value.
3222
3223         Revert the revert:
3224         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3225
3226         PR target/90178
3227         Revert:
3228         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3229
3230         Revert the revert:
3231         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3232
3233         Revert:
3234         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3235
3236         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3237
3238 2019-04-29  Richard Biener  <rguenther@suse.de>
3239
3240         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
3241         rhs issue a reset.
3242
3243 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
3244
3245         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
3246         varasm.h, and netbsd-protos.h.
3247
3248 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
3249
3250         PR target/89261
3251         * config/i386/i386-protos.h (ix86_data_alignment): Change
3252         the second argument type to unsigned int.
3253         * config/i386/i386.c (ix86_data_alignment): Change "align"
3254         argument type to unsigned int.
3255
3256 2019-04-27  Martin Liska  <mliska@suse.cz>
3257
3258         PR middle-end/90258
3259         * opt-suggestions.c (option_proposer::build_option_suggestions):
3260         When get_valid_option_values returns empty values, add the
3261         misspelling candidate.
3262
3263 2019-04-26  Jim Wilson  <jimw@sifive.com>
3264
3265         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
3266         parameter.
3267         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
3268         Pass orig_mode to riscv_build_integer.
3269         (riscv_split_integer): Pass mode to riscv_move_integer.
3270         (riscv_legitimize_const_move): Likewise.
3271         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
3272         promoted_mode.  Replace force_reg call with code to load constant into
3273         promoted reg and then subreg it for the store.
3274         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
3275         riscv_move_integer.
3276
3277 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
3278
3279         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
3280         corrupt codes.
3281
3282 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
3283
3284         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
3285         commentary about the encoding of precision.
3286
3287 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
3288
3289         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
3290         * config/i386/t-freebsd64: New file.
3291         * config.gcc: Add the t-freebsd64 for multilib support.
3292
3293 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
3294
3295         * doc/extend.texi (vector_size): Add missing comma after @xref.
3296
3297 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
3298
3299         * BASE-VER: Set to 10.0.0.
3300
3301 2019-04-25  Richard Biener  <rguenther@suse.de>
3302
3303         PR middle-end/89765
3304         * gimplify.c (gimplify_expr): Avoid turning a lvalue
3305         VIEW_CONVERT_EXPR into one operating on an rvalue.
3306
3307 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3308
3309         PR target/89929
3310         * config/i386/i386.c (feature_priority): Moved to file scope.
3311         (processor_features): Likewise.
3312         (processor_model): Likewise.
3313         (_arch_names_table): Likewise.
3314         (arch_names_table): Likewise.
3315         (_feature_list): Removed.
3316         (feature_list): Likewise.
3317         (_isa_names_table): Moved to file scope.  Add priority.
3318         (isa_names_table): Likewise.
3319         (get_builtin_code_for_version): Replace feature_list with
3320         isa_names_table.  Update error message for P_ZERO priority.
3321
3322 2019-04-25  Richard Biener  <rguenther@suse.de>
3323
3324         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3325         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3326
3327 2019-04-24  Jeff Law  <law@redhat.com>
3328
3329         PR tree-optimization/90037
3330         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3331         * passes.def: Replace all instance of phi-only cprop with the
3332         lattice propagator.  Move propagation pass from after erroneous
3333         path isolation to before erroneous path isolation.
3334         * tree-ssa-phionlycprop.c: Remove.
3335
3336 2019-04-24  Richard Biener  <rguenther@suse.de>
3337
3338         PR middle-end/90213
3339         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3340         by size and BITS_PER_UNIT on poly-wide-ints.
3341
3342 2019-04-25  Richard Biener  <rguenther@suse.de>
3343
3344         PR middle-end/90194
3345         * match.pd: Add pattern to simplify view-conversion of an
3346         empty constructor.
3347
3348 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3349
3350         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3351         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3352         for Go on 32 bit AIX.
3353         * config/rs6000/aix72.h: Likewise.
3354
3355 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3356
3357         PR target/90193
3358         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3359         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3360
3361 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3362
3363         PR target/89952
3364         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3365         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3366         for restored hard frame pointer.
3367         (s390_sched_dependencies_evaluation): Implement new target hook.
3368         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3369
3370 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3371
3372         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3373         * config/arc/arc.c (arc_init): Cleanup warning message.
3374         (arc_override_options): Likewise.
3375
3376 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3377
3378         PR target/90187
3379         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3380         a register if both if_true and if_false are MEMs.
3381
3382         PR tree-optimization/90208
3383         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3384         after labels of new_bb, not before them.
3385
3386         PR tree-optimization/90211
3387         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3388         which are not SSA_NAMEs.
3389
3390 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3391
3392         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3393         AArch64.
3394         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3395
3396 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3397
3398         PR rtl-optimization/87979
3399         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3400         not equal zero.
3401
3402 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3403
3404         PR rtl-optimization/84032
3405         * modulo-sched.c (ps_insn_find_column): Change condition so that
3406         branch will always be the last insn in a row inside partial
3407         schedule.
3408
3409 2019-04-23  Richard Biener  <rguenther@suse.de>
3410
3411         PR debug/90131
3412         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3413         dest_single_pred_p argument.
3414         (remove_forwarder_block): Adjust.
3415         (remove_forwarder_block_with_phi): Likewise.
3416
3417 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3418             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3419             Jakub Jelinek  <jakub@redhat.com>
3420
3421         PR target/89093
3422         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3423         if used with general-regs-only.
3424         (arm_conditional_register_usage): Don't add non-general regs if
3425         general-regs-only.
3426         (arm_valid_target_attribute_rec): Handle general-regs-only.
3427         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3428         general-regs-only.
3429         (TARGET_HARD_FLOAT_SUB): Define.
3430         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3431         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3432         (TARGET_REALLY_IWMMXT2): Likewise.
3433         * config/arm/arm.opt: Add -mgeneral-regs-only.
3434         * doc/extend.texi: Document ARM general-regs-only target.
3435         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3436
3437 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3438
3439         PR tree-optimization/90078
3440         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3441         checks for infinite_cost overflow.
3442
3443 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3444
3445         PR tree-optimization/90021
3446         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3447         and check univariate against it.
3448         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3449         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3450
3451 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3452
3453         PR target/90178
3454         Revert:
3455         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3456
3457         Revert the revert:
3458         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3459
3460         Revert:
3461         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3462
3463         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3464
3465 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3466
3467         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3468         names using operand format, rather than hard-wired.
3469         (speculation_barrier): Likewise.
3470
3471 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3472
3473         PR tree-optimization/88055
3474         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3475         (gen_one_condition): Use it if !HONOR_NANS.
3476
3477 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3478
3479         PR middle-end/90139
3480         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3481         assign_temp instead of gen_reg_rtx.
3482
3483 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3484
3485         PR translation/90118
3486         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3487         Add missing space before %<.
3488
3489 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3490
3491         PR rtl-optimization/87871
3492         * ira-lives.c (make_object_dead): Don't add conflicts to
3493         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3494
3495 2019-04-18  Martin Sebor  <msebor@redhat.com>
3496
3497         PR middle-end/89797
3498         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3499         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3500         assuming type size fits in SHWI.
3501
3502 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3503
3504         PR ipa/85051
3505         * ipa-inline.c (flatten_function): New parameter UPDATE.
3506         (ipa_inline, early_inliner): Use it.
3507
3508 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3509
3510         * fold-const.c (int_const_binop): Return early on failure.
3511
3512 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3513
3514         PR middle-end/85164
3515         * combine.c (force_int_to_mode): Cast the argument rather than
3516         the result of known_alignment.
3517         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3518
3519 2019-04-18  Richard Biener  <rguenther@suse.de>
3520
3521         PR debug/90131
3522         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3523         out from ...
3524         (remove_forwarder_block): ... here.
3525         (remove_forwarder_block_with_phi): Also move debug stmts here.
3526
3527 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3528
3529         PR translation/79183
3530         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3531         inform where appropriate.
3532
3533 2019-04-18  Richard Biener  <rguenther@suse.de>
3534
3535         * tree.c (get_qualified_type): Put found type variants at the
3536         head of the variant list.
3537
3538 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3539
3540         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3541
3542 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3543
3544         PR target/90125
3545         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3546         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3547         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3548         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3549         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3550
3551 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3552
3553         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3554         even for allocno's with no conflicts.
3555         (print_conflicts): Print an extra newline.
3556
3557 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3558
3559         * auto-inc-dec.c (attempt_change): Set the alignment of the
3560         temporary memory to that of the original.
3561
3562 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3563
3564         * targhooks.c (default_print_patchable_function_entry): Emit
3565         __patchable_function_entries section with writable flags to allow
3566         relocation resolution.
3567
3568 2019-04-17  Jonny Grant  <jg@jguk.org>
3569
3570         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3571
3572 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3573
3574         PR middle-end/90095
3575         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3576         on lowpart SUBREGs.
3577
3578 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3579
3580         * config/arc/arc.c (arc_init): Format diagnostic string.
3581         (arc_override_options): Likewise.
3582         (check_if_valid_regno_const): Likewise.
3583         (arc_reorg): Likewise.
3584
3585 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3586
3587         PR target/17108
3588         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3589         name.
3590         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3591         name.
3592         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3593         (*movdi_update1): Use Pmode.
3594         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3595         (movdi_<mode>_update_stack): Rename to ...
3596         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3597         use Pmode.
3598         (*movsi_update1): Use Pmode.
3599         (*movsi_update2): Use Pmode.
3600         (movsi_update): Rename to ...
3601         (movsi_<mode>_update): ... this.  Use Pmode.
3602         (movsi_update_stack): Fix condition.
3603         (*movhi_update1): Use Pmode.  Fix argument to
3604         avoiding_indexed_address_p.
3605         (*movhi_update2): Ditto.
3606         (*movhi_update3): Ditto.
3607         (*movhi_update4): Ditto.
3608         (*movqi_update1): Ditto.
3609         (*movqi_update2): Ditto.
3610         (*movqi_update3): Ditto.
3611         (*movsf_update1, *movdf_update1): Merge, rename to...
3612         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3613         avoiding_indexed_address_p.  Add "size" attribute.
3614         (*movsf_update2, *movdf_update2): Merge, rename to...
3615         (*mov<mode>_update2): This.  Ditto.
3616         (*movsf_update3): Use Pmode.  Fix argument to
3617         avoiding_indexed_address_p.
3618         (*movsf_update4): Ditto.
3619         (allocate_stack): Simplify condition.  Adjust pattern names.
3620
3621 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3622
3623         PR target/89093
3624         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3625         whitespace at the start of target attribute string.
3626
3627 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3628
3629         PR target/84369
3630         * config/rs6000/power9.md: Add store forwarding bypass.
3631
3632 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3633
3634         PR debug/89528
3635         * valtrack.c (dead_debug_insert_temp): Reset debug references
3636         to the return value of a call being removed.
3637
3638 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3639
3640         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3641         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3642         implement target hook.
3643         (arc_memory_move_cost): New function.
3644         (TARGET_REGISTER_MOVE_COST): Define.
3645         (TARGET_MEMORY_MOVE_COST): Likewise.
3646         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3647         (MEMORY_MOVE_COST): Likewise.
3648
3649 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3650
3651         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3652         (sibcall_value_insn): Likewise.
3653         * config/arc/constraints.md (Rs5): Remove.
3654
3655 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3656
3657         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3658         for last two fake registers.
3659         (arc_conditional_register_usage): Make sure fake frame and arg
3660         pointer regs are in general regs class.
3661         (FRAME_POINTER_MASK): Remove.
3662         (RETURN_ADDR_MASK): Remove.
3663         (arc_must_save_register): Use hard frame regnum.
3664         (frame_restore_reg): Use hard_frame_pointer_rtx.
3665         (arc_save_callee_saves): Likewise.
3666         (arc_restore_callee_saves): Likewise.
3667         (arc_save_callee_enter): Likewise.
3668         (arc_restore_callee_leave): Likewise.
3669         (arc_save_callee_milli): Likewise.
3670         (arc_eh_return_address_location): Likewise.
3671         (arc_check_multi): Use hard frame regnum.
3672         (arc_can_eliminate): Likewise.
3673         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3674         for register allocator.
3675         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3676         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3677         (FRAME_POINTER_REGNUM): Change it to a fake register.
3678         (HARD_FRAME_POINTER_REGNUM): Defined.
3679         (ARG_POINTER_REGNUM): Change it to a new fake register.
3680         (ELIMINABLE_REGS): Update.
3681         (REGISTER_NAMES): Update names.
3682         * config/arc/arc.md (LP_START): Remove.
3683         (LP_END): Likewise.
3684         (shift_si3_loop): Update pattern.
3685
3686 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3687
3688         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3689         to avoid delay slot scheduling.
3690         (arc_must_save_register): Don't save SP.
3691         * config/arc/arc.md (stack_tie): Remove.
3692         (UNSPEC_ARC_STKTIE): Likewise.
3693
3694 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3695             Shiva Chen  <shiva0217@gmail.com>
3696
3697         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3698         code gen with large shift amount.
3699
3700 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3701
3702         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3703         subreg.
3704
3705 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3706
3707         PR target/90096
3708         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3709         print -m64/-mx32/-m32 if it is true.
3710         (ix86_debug_options, ix86_function_specific_print): Pass true as
3711         ADD_ABI_P to ix86_target_string.
3712         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3713         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3714         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3715
3716         PR rtl-optimization/90082
3717         * dce.c (can_delete_call): New function.
3718         (deletable_insn_p, mark_insn): Use it.
3719
3720         PR tree-optimization/90090
3721         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3722         throw internally.
3723         (is_division_by_square): Likewise.  Formatting fix.
3724
3725 2019-04-16  Richard Biener  <rguenther@suse.de>
3726
3727         PR tree-optimization/56049
3728         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3729         equality check if alias-set zero will prevail.
3730
3731 2019-04-15  Jeff Law  <law@redhat.com>
3732
3733         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3734         size and alignment as unsigned.
3735
3736 2019-04-15  Richard Biener  <rguenther@suse.de>
3737
3738         PR debug/90074
3739         * tree-loop-distribution.c (destroy_loop): Preserve correct
3740         debug info.
3741
3742 2019-04-15  Richard Biener  <rguenther@suse.de>
3743
3744         PR tree-optimization/90071
3745         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3746         abnormal operands from def stmts.
3747
3748 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3749
3750         PR rtl-optimization/89794
3751         * combine.c (count_auto_inc): New function.
3752         (try_combine): Count how many auto_inc expressions there were in the
3753         original instructions.  Ensure we have the same number in the new
3754         instructions.  Remove the code that tried to ensure auto_inc side
3755         effects on i1 and i0 are not lost.
3756
3757 2019-04-15  Richard Biener  <rguenther@suse.de>
3758
3759         PR ipa/88936
3760         * tree.h (auto_var_p): Declare.
3761         * tree.c (auto_var_p): New function, split out from ...
3762         (auto_var_in_fn_p): ... here.
3763         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3764         member.
3765         (new_var_info): Initialize it.
3766         (set_uids_in_ptset): Also set the shadow variable uid if required.
3767         (ipa_pta_execute): Postprocess points-to solutions assigning
3768         shadow variable uids for locals that may reach their containing
3769         function recursively.
3770         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3771         assert but instead check whether the points-to solution is
3772         a singleton.
3773
3774 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3775
3776         PR ipa/pr89693
3777         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3778         the thunk chain.
3779
3780 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3781
3782         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3783
3784 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3785             Kito Cheng  <kito.cheng@gmail.com>
3786             Shiva Chen  <shiva0217@gmail.com>
3787
3788         * config/nds32/nds32-md-auxiliary.c
3789         (nds32_legitimize_pic_address): Use new PIC pattern.
3790         (nds32_legitimize_tls_address): Use new TLS pattern.
3791         (nds32_output_symrel): New.
3792         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3793         (nds32_alloc_relax_group_id): Ditto.
3794         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3795         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3796         relax_group_id.
3797         (nds32_group_tls_insn): Ditto.
3798         (nds32_group_float_insns): Ditto.
3799         * config/nds32/nds32.md (tls_le): New.
3800         (sym_got): Ditto.
3801
3802 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3803
3804         * configure: Add nds32 target for dwarf2 debug_line checking.
3805         * configure.ac: Regenerated.
3806
3807 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3808
3809         PR lto/89358
3810         * ipa-devirt.c (skip_in_fields_list_p): New.
3811         (odr_types_equivalent_p): Use it.
3812
3813 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3814
3815         PR target/89093
3816         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3817         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3818
3819 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3820
3821         * doc/install.texi: Document --with-target-system-zlib.
3822
3823 2019-04-12  Martin Sebor  <msebor@redhat.com>
3824
3825         PR c/88383
3826         PR c/89288
3827         PR c/89798
3828         PR c/89797
3829         * targhooks.c (default_vector_alignment): Avoid assuming
3830         argument fits in SHWI.
3831         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3832         a shift expression.
3833         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3834
3835 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3836
3837         PR rtl-optimization/89965
3838         * dce.c: Include rtl-iter.h.
3839         (struct check_argument_load_data): New type.
3840         (check_argument_load): New function.
3841         (find_call_stack_args): Check for loads from stack slots still tracked
3842         in sp_bytes and punt if any is found.
3843
3844         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3845
3846 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3847
3848         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3849         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3850
3851 2019-04-12  Martin Liska  <mliska@suse.cz>
3852
3853         PR middle-end/89970
3854         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3855         in error message.
3856         (separate_attrs): Handle multiple 'default's.
3857         (expand_target_clones): Rework error handling code.
3858
3859 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3860
3861         PR target/87532
3862         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3863         mode of vector rather than mode of destination for move instruction.
3864         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3865         Use QI inner mode with V16QI vector mode.
3866
3867 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3868
3869         PR target/52726
3870         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3871         "invalid %%t operand" in output_operand_lossage message.
3872
3873 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3874
3875         * config/s390/predicates.md (permute_pattern_operand): New
3876         predicate.
3877         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3878         operand for the permute pattern.
3879         ("*vec_perm<mode>"): New insn definition.
3880         ("bswap<mode>"): Generate the permute pattern operand in the
3881         expander and perform the operand reloads for pre arch13 level
3882         already.
3883         ("*bswap<mode>_emu"): Rename to ...
3884         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3885         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3886         Add the USE operand for the permute pattern.
3887         ("*vec_set_bswap_vec<mode>"): Likewise.
3888
3889 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3890
3891         PR c/89946
3892         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3893         and gcc_unreachable if it fails, just call tree_to_uhwi which
3894         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3895         Start warning message with a lower-case letter.  Formatting fixes.
3896
3897         PR rtl-optimization/90026
3898         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3899         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3900         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3901         in cfglayout mode, use emit_barrier_after_bb.
3902
3903 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3904
3905         PR rtl-optimization/87763
3906         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3907         New Instruction.
3908
3909 2019-04-11  Tom de Vries  <tdevries@suse.de>
3910
3911         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3912         max macro using statement expression.
3913
3914 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3915
3916         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3917         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3918         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3919         read_only_private_data_section using xcoff_private_rodata_section_name.
3920         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3921
3922 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3923
3924         PR target/90016
3925         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3926
3927 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3928
3929         PR rtl-optimization/89965
3930         * dce.c (sp_based_mem_offset): New function.
3931         (find_call_stack_args): Use sp_based_mem_offset.
3932
3933 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3934
3935         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3936
3937 2019-04-11  Richard Biener  <rguenther@suse.de>
3938
3939         PR tree-optimization/90020
3940         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3941         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3942         * tree-ssa-pre.c (compute_avail): Use it to not put
3943         possibly trapping references after a call that might not
3944         return into EXP_GEN.
3945         * gcse.c (compute_hash_table_work): Do not elide
3946         marking a block containing a call if the call might not
3947         return.
3948
3949 2019-04-11  Richard Biener  <rguenther@suse.de>
3950
3951         PR tree-optimization/90018
3952         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3953         Test both SLP and interleaving variants.
3954
3955 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3956
3957         * config/s390/8561.md: New file.
3958         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3959         Add arch13 cpu model.
3960         * config/s390/s390-opts.h (enum processor_type): Likewise.
3961         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3962         (s390_get_unit_mask): Likewise.
3963         (s390_is_fpd): Likewise.
3964         (s390_is_fxd): Likewise.
3965         * config/s390/s390.h (s390_tune_attr): Likewise.
3966         * config/s390/s390.md: Include arch13 pipeline description.
3967         * config/s390/s390.opt: Add arch13.
3968
3969 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3970
3971         PR rtl-optimization/87763
3972         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3973         New prototype.
3974         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3975         New function.
3976         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3977         New instruction.
3978         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3979         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3980         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3981         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3982
3983 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3984
3985         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3986         "Although" in -fipa-icf documentation.
3987
3988         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3989         of using multiple -g options.
3990
3991 2019-04-10  Martin Liska  <mliska@suse.cz>
3992
3993         PR gcov-profile/89959
3994         * doc/gcov.texi: Make documentation of -x option
3995         more precise.
3996
3997 2019-04-10  Richard Biener  <rguenther@suse.de>
3998
3999         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
4000         member.
4001         (DR_GROUP_SAME_DR_STMT): Remove.
4002         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
4003         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
4004         replace with assert.
4005         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
4006         (vect_record_grouped_load_vectors): Remove unreachable code.
4007
4008 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
4009
4010         PR target/90016
4011         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
4012         obsolete reference to N.
4013
4014 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
4015
4016         PR middle-end/90025
4017         * expr.c (store_expr): Set properly size on the MEM passed to
4018         clear_storage.
4019
4020         PR c++/90010
4021         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
4022         with strlen in between hostsz-3 and hostsz-1 inclusive when no
4023         translation is needed, and when translation is needed, only append
4024         ... if the string length is hostsz or more bytes long.  Avoid using
4025         strncpy or strcat.
4026
4027 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
4028
4029         PR target/90024
4030         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
4031         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
4032         into three.
4033         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
4034         differences directly.
4035         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
4036
4037 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4038
4039         PR translation/90011
4040         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4041         from diagnostics.
4042         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
4043         diagnostics.
4044         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
4045         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
4046         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
4047         trailing space from -gsplit-dwarf diagnostics.
4048
4049         PR tree-optimization/89998
4050         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
4051         instead of integer_type_node if possible, don't add ranges if return
4052         type is not compatible with int.
4053         * gimple-fold.c (gimple_fold_builtin_sprintf,
4054         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
4055         integer_type_node.
4056
4057 2019-04-09  Martin Liska  <mliska@suse.cz>
4058
4059         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
4060         * doc/install.texi: Document the new config.
4061
4062 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
4063
4064         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
4065         use gimple_expr_type for load and store calls.  Skip over the
4066         condition argument in a conditional internal function.
4067         Protect use of TREE_INT_CST_LOW.
4068
4069 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
4070
4071         PR target/90015
4072         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
4073         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
4074         trailing period from it too.
4075
4076 2019-04-08  wu yuan  <wuyuan5@huawei.com>
4077
4078         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
4079         * config/aarch64/aarch64.md : Add "tsv110.md"
4080         * config/aarch64/tsv110.md: New file.
4081
4082 2019-04-08  Richard Biener  <rguenther@suse.de>
4083
4084         PR tree-optimization/90006
4085         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
4086         calls like lrint.
4087
4088 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
4089
4090         PR target/83033
4091         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
4092         construction.
4093         (fma_root_node): Likewise.
4094         (func_fma_steering): Likewise.
4095
4096 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
4097
4098         PR rtl-optimization/89865
4099         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
4100
4101         PR rtl-optimization/89865
4102         * config/i386/i386.md
4103         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
4104         numbers not to clash with the additional operands[4].
4105         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
4106         with extra register copy in the middle.
4107
4108 2019-04-08  Martin Liska  <mliska@suse.cz>
4109
4110         PR gcov-profile/89961
4111         * doc/gcov.texi: Document data_file.
4112         * gcov.c (generate_results): Add data_info into JSON output.
4113
4114 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
4115
4116         PR tree-optimization/89725
4117         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
4118         loop's chrec as invariant symbol.
4119         * tree-chrec.h (chrec_contains_symbols): New parameter.
4120         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
4121         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
4122         function of loops not in DDR's loop_nest.
4123         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
4124
4125 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
4126
4127         PR target/89623
4128         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
4129         Mask.
4130
4131 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
4132
4133         PR target/89945
4134         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
4135         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
4136
4137 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
4138
4139         * sched-deps.c (sched_macro_fuse_insns): Check return value of
4140         targetm.fixed_condition_code_regs.
4141
4142 2019-04-05  Richard Biener  <rguenther@suse.de>
4143
4144         PR debug/89892
4145         PR debug/89905
4146         * tree-cfgcleanup.c (remove_forwarder_block): Always move
4147         debug bind stmts but reset them if they are not valid at the
4148         destination.
4149
4150 2019-04-05  Martin Liska  <mliska@suse.cz>
4151
4152         PR translation/89936
4153         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
4154         order to wrap keywords or arguments.
4155         * collect2.c (main): Likewise.
4156         (scan_prog_file): Likewise.
4157         (scan_libraries): Likewise.
4158         * common/config/riscv/riscv-common.c
4159         (riscv_subset_list::parsing_subset_version): Likewise.
4160         (riscv_subset_list::parse_std_ext): Likewise.
4161         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4162         Likewise.
4163         * config/arm/arm.c (arm_option_override): Likewise.
4164         * config/cris/cris.c (cris_print_operand): Likewise.
4165         * config/darwin-c.c (darwin_pragma_options): Likewise.
4166         (darwin_pragma_unused): Likewise.
4167         (darwin_pragma_ms_struct): Likewise.
4168         * config/ft32/ft32.c (ft32_print_operand): Likewise.
4169         * config/i386/i386.c (print_reg): Likewise.
4170         (ix86_print_operand): Likewise.
4171         * config/i386/xm-djgpp.h: Likewise.
4172         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
4173         * config/m32c/m32c.c (m32c_option_override): Likewise.
4174         * config/msp430/msp430.c (msp430_option_override): Likewise.
4175         * config/nds32/nds32.c (nds32_option_override): Likewise.
4176         * config/nvptx/mkoffload.c (main): Likewise.
4177         * config/rx/rx.c (rx_print_operand): Likewise.
4178         (valid_psw_flag): Likewise.
4179         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
4180         (vms_pragma_nomember_alignment): Likewise.
4181         (vms_pragma_extern_model): Likewise.
4182         * lto-wrapper.c (compile_offload_image): Likewise.
4183         * omp-offload.c (oacc_parse_default_dims): Likewise.
4184         * symtab.c (symtab_node::verify_base): Likewise.
4185         * tlink.c (recompile_files): Likewise.
4186         (start_tweaking): Likewise.
4187         * tree-profile.c (parse_profile_filter): Likewise.
4188
4189 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
4190
4191         PR tree-optimization/89956
4192         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
4193         multiple negates of the same value.
4194
4195 2019-04-04  Martin Sebor  <msebor@redhat.com>
4196
4197         PR middle-end/89957
4198         PR middle-end/89911
4199         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
4200         have the same precision since the function crashes otherwise.
4201         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
4202         has non-zero arguments.
4203
4204 2019-04-04  Martin Sebor  <msebor@redhat.com>
4205
4206         PR middle-end/89934
4207         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
4208         out if the number of arguments is less than expected.
4209
4210 2019-04-04  Jeff Law  <law@redhat.com>
4211
4212         PR rtl-optimization/89399
4213         * ree.c (combine_set_extension): Use single_set rather than
4214         digging into PATTERN for items on the candidate list.
4215         (combine_reaching_defs): Likewise.
4216
4217 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
4218
4219         PR rtl-optimization/46590
4220         * loop-invariant.c (find_defs): Move df_remove_problem and
4221         df_process_deferred_rescans to move_invariants.
4222         Move df_live_add_problem and df_live_set_all_dirty calls
4223         to move_invariants.
4224         (move_invariants): Likewise.
4225         (move_loop_invariants): Likewise, making the df_live calls
4226         conditional on -O.  Remove the problem again if we added it
4227         locally.
4228
4229 2019-04-03  qing zhao  <qing.zhao@oracle.com>
4230
4231         PR tree-optimization/89730
4232         * ipa-inline.c (can_inline_edge_p): Delete the checking for
4233         -flive-patching=inline-only-static.
4234         (can_inline_edge_by_limits_p): Add the checking for
4235         -flive-patching=inline-only-static and grant always_inline
4236         even when -flive-patching=inline-only-static is specified.
4237
4238 2019-04-03  Jeff Law  <law@redhat.com>
4239
4240         PR rtl-optimization/81025
4241         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
4242
4243 2019-04-03  Richard Biener  <rguenther@suse.de>
4244
4245         PR tree-optimization/84101
4246         * tree-vect-stmts.c: Include explow.h for hard_function_value,
4247         regs.h for hard_regno_nregs.
4248         (cfun_returns): New helper.
4249         (vect_model_store_cost): When vectorizing a store to a decl
4250         we return and the function ABI returns in a multi-reg location
4251         account for the possible spilling that will happen.
4252
4253 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
4254
4255         * config/s390/s390.c (s390_legitimate_address_p): Reject long
4256         displacement addresses for vector mode operands.
4257
4258 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
4259
4260         * config/arc/arc.c (GMASK_LEN): Define.
4261         (arc_restore_callee_saves): Restore first blink when
4262         !optimize_size.
4263
4264 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
4265
4266         * doc/extend.texi: Add deprecated comment on sign-return-address
4267         function attribute and add mbranch-protection.
4268         * doc/invoke.texi: Add bti to the options for mbranch-protection.
4269
4270 2019-04-03  Richard Biener  <rguenther@suse.de>
4271
4272         PR lto/89896
4273         * lto-wrapper.c (run_gcc): Avoid implicit rules making
4274         the all target phony.
4275
4276 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
4277
4278         PR target/89902
4279         PR target/89903
4280         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
4281         Return false for variable DImode shifts.
4282         (dimode_scalar_chain::compute_convert_gain): Do not handle
4283         register count operand in variable DImode shifts.
4284         (dimode_scalar_chain::make_vector_copies): Remove support to copy
4285         count argument of a variable shift instruction to a vector register.
4286         (dimode_scalar_chain::convert_reg): Remove support to convert
4287         count argument of a variable shift instruction.
4288
4289 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4290
4291         PR rtl-optimization/84206
4292         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
4293         iterating over loop headers.
4294
4295 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
4296
4297         PR rtl-optimization/85876
4298         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
4299         beyond the original fence.
4300
4301 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
4302
4303         * config.gcc: Mark spu* targets as deprecated/obsolete.
4304
4305 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4306
4307         * config/s390/s390-builtin-types.def: New builtin function type
4308         definitions. Remove unused types.
4309         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
4310         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
4311         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
4312         overloaded builtins.
4313         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
4314         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
4315         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
4316         (vec_double, vec_signed, vec_unsigned): Define to use the new
4317         overloaded builtins.
4318         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
4319         Remove expanders.
4320
4321 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4322
4323         * config/s390/s390-builtin-types.def: New builtin function type
4324         definitions.
4325         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4326         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4327         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4328         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4329         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4330         constant definitions.
4331         * config/s390/vecintrin.h (vec_search_string_cc)
4332         (vec_search_string_until_zero_cc): New builtin name definitions.
4333         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4334         expanders.
4335         ("vec_vstrs<mode>"): New insn definition.
4336
4337 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4338
4339         * config/s390/s390-builtin-types.def: Add new builtin function
4340         types.
4341         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4342         New overloaded builtins.
4343         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4344         s390_vsrd.
4345         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4346         (UNSPEC_VEC_SLDBYTE): ... this.
4347         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4348         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4349         definitions.
4350         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4351         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4352         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4353
4354 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4355
4356         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4357         New insn definition.
4358         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4359         * config/s390/vector.md (V_HW_HSD): ... here.
4360
4361 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4362
4363         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4364         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4365         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4366         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4367         New insn definitions.
4368
4369 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4370
4371         * config/s390/s390-builtin-types.def: Add new builtin function type.
4372         * config/s390/s390-builtins.def: Add overloaded builtin
4373         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4374         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4375         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4376         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4377         ("eltswap<mode>"): New expander.
4378         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4379         insn definitions.
4380
4381 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4382
4383         * config/s390/s390-builtin-types.def: Add new builtin function types.
4384         * config/s390/s390-builtins.def: Add overloaded builtin
4385         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4386         instructions.
4387         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4388         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4389         ("bswap<mode>"): New expander.
4390         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4391
4392 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4393
4394         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4395         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4396         vector builtin version number in __VEC__.
4397
4398 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4399
4400         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4401         iterators.
4402         (SFSI): New mode attribute.
4403         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4404         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4405         rename to ...
4406         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4407         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4408         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4409         ("floatsi<mode>2"): Add wcefb instruction.
4410
4411 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4412
4413         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4414         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4415         mode iterators.
4416         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4417         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4418         support 32 bit fp-int conversions. Rename to ...
4419         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4420         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4421         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4422         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4423         ... to these.
4424
4425 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4426
4427         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4428         if-then-else constructs if we can use the select instruction.
4429         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4430
4431 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4432
4433         * config/s390/s390.md ("*popcountdi_arch13_cc")
4434         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4435         definition.
4436         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4437         Append _z196 to make it ...
4438         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4439         ("popcounthi2_z196"): ... this.
4440         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4441         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4442
4443 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4444
4445         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4446         certain compares for arch13 in order to make use of the condition
4447         code result produced by the new instructions.
4448         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4449         nxrk, and nxgrk instruction patterns.
4450         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4451         (inv_no): Add new code iterator together with some attributes.
4452         ("*andc_split_<mode>"): Disable splitter for arch13.
4453         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4454         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4455         ("*<ANDOR:bitops_name>c<GPR:mode>")
4456         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4457         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4458         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4459         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4460
4461 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4462
4463         * common/config/s390/s390-common.c (processor_flags_table): New
4464         entry for arch13.
4465         * config.gcc: Support arch13 with the --with-arch= configure flag.
4466         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4467         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4468         * config/s390/s390.c (s390_get_sched_attrmask)
4469         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4470         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4471         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4472         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4473         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4474         definitions.
4475         * config/s390/s390.opt: Support arch13 as processor type in
4476         command line options.
4477
4478 2019-04-02  Martin Liska  <mliska@suse.cz>
4479
4480         PR translation/89912
4481         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4482         Fix param description of graphite-max-arrays-per-scop.
4483
4484 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4485
4486         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4487         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4488         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4489
4490 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4491
4492         PR rtl-optimization/85412
4493         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4494         sel_sched_region_1, not after.
4495
4496 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4497
4498         PR rtl-optimization/86928
4499         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4500         compute_live if necessary.
4501         (sel_redirect_edge_and_branch): Likewise.
4502
4503 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4504
4505         PR rtl-optimization/89865
4506         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4507         register if it is a part of small class.
4508
4509 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4510
4511         PR rtl-optimization/87273
4512         * sel-sched-ir.c (merge_fences): Remove assert.
4513
4514 2019-04-01  Richard Biener  <rguenther@suse.de>
4515
4516         PR tree-optimization/46590
4517         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4518         (dom_walker::m_reachability): Add in place of...
4519         (dom_walker::m_skip_unreachable_blocks): ...this.
4520         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4521         Move complex initialization ...
4522         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4523         lazily and initialize edge flags on each invocation.
4524         (dom_walker::bb_reachable): Use m_reachability.
4525
4526 2019-04-01  Martin Liska  <mliska@suse.cz>
4527
4528         PR driver/89861
4529         * opt-suggestions.c (option_proposer::build_option_suggestions):
4530         Add variant without any argument in order to provide better
4531         hints.
4532
4533 2019-04-01  Richard Biener  <rguenther@suse.de>
4534
4535         PR c/71598
4536         * gimple.c: Include langhooks.h.
4537         (gimple_get_alias_set): Treat enumeral types as the underlying
4538         integer type.
4539
4540 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4541             Eric Botcazou  <ebotcazou@adacore.com>
4542
4543         PR rtl-optimization/89862
4544         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4545         that operates on the full registers for WORD_REGISTER_OPERATIONS
4546         architectures.
4547
4548 2019-03-29  Jim Wilson  <jimw@sifive.com>
4549
4550         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4551         Clear MASK_RVC and then set if C subset supported.
4552
4553 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4554
4555         PR c/89872
4556         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4557         non-addressable complit into its initializer if it is volatile.
4558
4559 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4560
4561         * opts-common.c (integral_argument): Set errno properly in one case.
4562
4563 2019-03-29  Martin Liska  <mliska@suse.cz>
4564
4565         * doc/invoke.texi: Remove -Wchkp from documentation.
4566
4567 2019-03-29  Martin Liska  <mliska@suse.cz>
4568
4569         * dbgcnt.c (print_limit_reach): New function.
4570         (dbg_cnt): Use it.
4571
4572 2019-03-29  Martin Liska  <mliska@suse.cz>
4573
4574         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4575         (dbg_cnt_process_opt): Parse first tokens aas
4576         dbg_cnt_process_single_pair is also using strtok.
4577
4578 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4579
4580         PR rtl-optimization/87485
4581         * function.c (expand_function_end): Move stack_protect_epilogue
4582         before loading of return value into hard register(s).
4583
4584 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4585
4586         PR middle-end/89621
4587         * tree-inline.h (struct copy_body_data): Add
4588         dont_remap_vla_if_no_change flag.
4589         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4590         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4591         and remap_type_2 returns false.
4592         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4593         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4594         only from where it is copied to nested contexts.
4595
4596 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4597
4598         PR target/89865
4599         * config/i386/i386.md (RMW operation with LEA peephole):
4600         Use LEAMODE mode attribute instead of SWI mode iterator for
4601         LEA pattern.
4602
4603 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4604
4605         PR target/89848
4606         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4607         Also process XEXP (src, 0) of a shift insn.
4608
4609 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4610
4611         PR middle-end/89725
4612         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4613         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4614
4615 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4616
4617         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4618         test.
4619         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4620         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4621         immediately after first one with df_analyze in between, but rather
4622         process all bbs, queueing ones that need second pass in a worklist,
4623         df_analyze, process queued debug insn changes and if second pass is
4624         needed, process bbs from worklist, df_analyze, process queued debug
4625         insns again.
4626
4627         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4628         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4629         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4630
4631 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4632
4633         PR c/79022
4634         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4635         definition.
4636
4637 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4638
4639         PR target/85667
4640         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4641         function for 32-bit MS_ABI.
4642         (function_value_ms_32): New function.
4643
4644 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4645
4646         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4647         (movdi): Call gen_movdi_symbol_save_scc.
4648         (gen_movdi_symbol_save_scc): New insn and split.
4649
4650 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4651
4652         PR rtl-optimization/89313
4653         * function.c (matching_constraint_num): New static function.
4654         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4655         Don't replace inputs with non-matching constraints which conflict
4656         with early clobber outputs.
4657
4658 2019-03-27  Jeff Law  <law@redhat.com>
4659
4660
4661         PR rtl-optimization/87761
4662         PR rtl-optimization/89826
4663         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4664         slightly later.
4665         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4666         note problem to get REG_DEAD/REG_UNUSED notes updated.
4667
4668 2019-03-27  Richard Biener  <rguenther@suse.de>
4669
4670         PR tree-optimization/89463
4671         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4672         queue edges to remove.
4673         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4674         dead stmts.  Delay edge removal until PHIs are removed to
4675         make debug-stmt creation not confused by seemingly degenerate
4676         PHIs.
4677
4678 2019-03-27  Alan Modra  <amodra@gmail.com>
4679
4680         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4681         throughout file.
4682         * config/rs6000/darwin.h: Likewise.
4683         * config/rs6000/rs6000.c: Likewise.
4684
4685 2019-03-27  Alan Modra  <amodra@gmail.com>
4686
4687         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4688         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4689
4690 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4691             Jim Wilson  <jimw@sifive.com>
4692
4693         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4694         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4695         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4696         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4697         (generic_alu): Add auipc to type list.
4698         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4699         (riscv_microarchitecture): Declare.
4700         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4701         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4702         field.
4703         (riscv_microarchitecture): New.
4704         (sifive_7_tune_info): New.
4705         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4706         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4707         entries.
4708         (riscv_store_data_bypass_p): New.
4709         (riscv_option_override): Set riscv_microarchitecture from
4710         cpu->microarchitecture.
4711         * config/riscv/riscv.md: Include sifive-7.md.
4712         (type): Add auipc.
4713         (tune): New.
4714         (auipc<mode>): Change type to auipc.
4715         (restore_stack_nonlocal): New.
4716         * config/riscv/sifive-7.md: New.
4717         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4718
4719 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4720
4721         PR target/89827
4722         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4723         Also process XEXP (src, 0) of a shift insn.
4724
4725 2019-03-26  Richard Biener  <rguenther@suse.de>
4726
4727         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4728         (copy_debug_stmt): Likewise.
4729         (expand_call_inline): Likewise.
4730         (copy_bb): Avoid redundant lookup & set of gimple_block.
4731         * gimple-low.c (lower_gimple_return): Likewise.
4732         (lower_builtin_setjmp): Likewise.
4733
4734 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4735
4736         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4737         is constant 0, turn into static const data member initialized to false.
4738         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4739         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4740
4741 2019-03-26  Jason Merrill  <jason@redhat.com>
4742             Jakub Jelinek  <jakub@redhat.com>
4743
4744         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4745         method.
4746         (mem_alloc_description::release_object_overhead): Fix comment typos.
4747         * hash-table.h (hash_table::~hash_table): Call
4748         release_instance_overhead only if m_entries is non-NULL, otherwise
4749         call unregister_descriptor.
4750
4751 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4752
4753         PR tree-optimization/81740
4754         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4755         In case of outer loop vectorization, check for backward dependence
4756         at the inner loop if outer loop dependence is reversed.
4757
4758 2019-03-26  Alan Modra  <amodra@gmail.com>
4759
4760         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4761         rs6000_vector_mem init.  Correct wI and wJ comment.
4762
4763 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4764
4765         PR rtl-optimization/88347
4766         PR rtl-optimization/88423
4767         * sched-deps.c (sched_analyze_insn): Take into account that for
4768         tablejumps the barrier appears after a label and a jump_table_data.
4769
4770 2019-03-25  Martin Sebor  <msebor@redhat.com>
4771
4772         PR c/89812
4773         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4774         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4775         convert it to UHWI when it fits.
4776
4777 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4778
4779         PR debug/86964
4780         * dwarf2out.c (premark_used_variables): New function.
4781         (prune_unused_types_walk): Do not mark not premarked external
4782         variables.
4783         (prune_unused_types): Call premark_used_variables.
4784
4785 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4786
4787         PR rtl-optimization/89676
4788         * lra-constraints.c (curr_insn_transform): Do match reload for
4789         early clobbers when the match was successful only for different
4790         registers.
4791
4792 2019-03-25  Martin Sebor  <msebor@redhat.com>
4793
4794         * doc/extend.texi (Common Type Attributes): Document vector_size.
4795         (Common Variable Attributes): Mention size constraint.  Correct
4796         quoting and typos.
4797         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4798         base type and size constraints.
4799
4800 2019-03-25  Richard Biener  <rguenther@suse.de>
4801
4802         PR tree-optimization/89789
4803         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4804         changes from non-undefined back to undefined.
4805
4806 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4807
4808         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4809         heap string and a gc string, but since this variable is unknown to
4810         ggc the gc string might get reused and corrupted. Fixed by always
4811         using a heap string.
4812
4813 2019-03-25  Richard Biener  <rguenther@suse.de>
4814
4815         PR tree-optimization/89779
4816         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4817         to remove IV defs, delay actual removal.
4818         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4819         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4820         very end, properly also reset loop control IV information.
4821
4822 2019-03-25  Richard Biener  <rguenther@suse.de>
4823
4824         PR tree-optimization/89802
4825         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4826         move EH data to folded stmt.
4827
4828 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4829
4830         * config/s390/s390-builtin-types.def: Remove few unused types and
4831         fix sort order for others.
4832
4833 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4834
4835         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4836         expected and found types with -mdebug during builtin matching.
4837
4838 2019-03-25  Richard Biener  <rguenther@suse.de>
4839
4840         PR middle-end/89790
4841         * fold-const.c (operand_equal_p): Revert last change with
4842         updated comment.
4843
4844 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4845
4846         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4847         notes for the result of the __tls_get_addr calls.
4848         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4849
4850 2019-03-24  Jeff Law  <law@redhat.com>
4851
4852         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4853
4854         PR rtl-optimization/87761
4855         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4856         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4857         as needed.
4858         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4859         rescans.  Reprocess blocks as needed, calling df_analyze before
4860         reprocessing.  Always call df_analyze before fixing up debug bind
4861         insns.
4862
4863 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4864
4865         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4866         big endian.
4867
4868 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4869
4870         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4871         attrribute for uxtw.
4872
4873 2019-03-26  Jeff Law  <law@redhat.com>
4874
4875         PR rtl-optimization/87761
4876         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4877         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4878         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4879         into the next instruction.
4880         (mips_split_move_insn): Pass INSN through to mips_split_move.
4881
4882 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4883
4884         PR rtl-optimization/89676
4885         * lra-constraints.c (curr_insn_transform): Do match reload for
4886         early clobbers even if the match was successful.
4887
4888 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4889
4890         PR c++/87481
4891         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4892
4893 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4894
4895         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4896
4897 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4898
4899         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4900         <avx512>_fmsub_<mode>_mask3<round_name>,
4901         <avx512>_fnmadd_<mode>_mask3<round_name>,
4902         <avx512>_fnmsub_<mode>_mask3<round_name>,
4903         avx512f_vmfmadd_<mode>_mask3<round_name>,
4904         avx512f_vmfmsub_<mode>_mask3<round_name>,
4905         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4906         instead of register_operand and %v instead of v for match_operand 1.
4907         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4908         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4909         <round_nimm_predicate> instead of register_operand and %v instead of v
4910         for match_operand 1.
4911
4912         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4913         <avx512>_fmadd_<mode>_mask3<round_name>,
4914         <avx512>_fmsub_<mode>_mask<round_name>,
4915         <avx512>_fmsub_<mode>_mask3<round_name>,
4916         <avx512>_fnmadd_<mode>_mask<round_name>,
4917         <avx512>_fnmadd_<mode>_mask3<round_name>,
4918         <avx512>_fnmsub_<mode>_mask<round_name>,
4919         <avx512>_fnmsub_<mode>_mask3<round_name>,
4920         <avx512>_fmaddsub_<mode>_mask<round_name>,
4921         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4922         <avx512>_fmsubadd_<mode>_mask<round_name>,
4923         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4924         <round_nimm_predicate> instead of nonimmediate_operand.
4925         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4926         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4927         Use register_operand instead of <round_nimm_predicate> for the
4928         operand that needs to match output.
4929         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4930         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4931         Likewise.  Formatting fixes.
4932
4933         PR target/89784
4934         * config/i386/i386.c (enum ix86_builtins): Remove
4935         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4936         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4937         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4938         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4939         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4940         __builtin_ia32_vfmsubss3_mask3): New builtins.
4941         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4942         avx512f_vmfmadd_<mode>_mask3<round_name>,
4943         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4944         *avx512f_vmfmsub_<mode>_mask<round_name>,
4945         avx512f_vmfmsub_<mode>_mask3<round_name>,
4946         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4947         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4948         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4949         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4950         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4951         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4952         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4953         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4954         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4955         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4956         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4957         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4958         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4959         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4960         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4961         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4962         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4963         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4964         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4965         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4966         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4967         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4968         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4969         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4970         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4971         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4972         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4973         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4974
4975 2019-03-21  Martin Sebor  <msebor@redhat.com>
4976
4977         PR tree-optimization/89350
4978         * builtins.c (compute_objsize): Also ignore offsets whose upper
4979         bound is negative.
4980         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4981         (builtin_memref::builtin_memref): Initialize new member.
4982         Allow EXPR to be null.
4983         (builtin_memref::extend_offset_range): Replace local with a member.
4984         Avoid assuming pointer offsets are unsigned.
4985         (builtin_memref::set_base_and_offset): Determine base object
4986         before computing offset range.
4987         (builtin_access::builtin_access): Handle memset.
4988         (builtin_access::generic_overlap): Replace local with a member.
4989         (builtin_access::strcat_overlap): Same.
4990         (builtin_access::overlap): Same.
4991         (maybe_diag_overlap): Same.
4992         (maybe_diag_access_bounds): Same.
4993         (wrestrict_dom_walker::check_call): Handle memset.
4994         (check_bounds_or_overlap): Same.
4995
4996 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4997             Jakub Jelinek  <jakub@redhat.com>
4998
4999         PR lto/89692
5000         * tree.c (fld_type_variant, fld_incomplete_type_of,
5001         fld_process_array_type): Call fld->pset.add and don't call
5002         add_tree_to_fld_list if it returns true.
5003         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
5004         non-marked types from TYPE_NEXT_VARIANT list.
5005         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
5006
5007 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
5008
5009         * hash-table.h (hash_table): Add Lazy template parameter defaulted
5010         to false, if true, don't alloc_entries during construction, but defer
5011         it to the first method that needs m_entries allocated.
5012         (hash_table::hash_table, hash_table::~hash_table,
5013         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
5014         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
5015         hash_table::clear_slot, hash_table::traverse_noresize,
5016         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
5017         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
5018         false.
5019         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
5020         NO_INSERT instead of find_with_hash.
5021         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
5022         hash_set::m_table): Add Lazy to template params of hash_table.
5023         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
5024         * attribs.c (test_attribute_exclusions): Likewise.
5025         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
5026         hash_set.  Add tests for hash_set with Lazy = true.
5027
5028 2019-03-21  Richard Biener  <rguenther@suse.de>
5029
5030         PR tree-optimization/89779
5031         * tree.c (tree_nop_conversion): Consolidate and fix defensive
5032         checks with respect to released SSA names now having error_mark_node
5033         type.
5034         * fold-const.c (operand_equal_p): Likewise.
5035
5036 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
5037
5038         PR target/89775
5039         * config/s390/s390.c (global_not_special_regno_p): Move to make it
5040         available to ...
5041         (s390_optimize_register_info): Use global_not_special_regno_p to
5042         check for global regs.
5043
5044 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
5045
5046         PR target/89752
5047         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
5048         update this_alternative nor this_alternative_set.
5049
5050 2019-03-19  Jim Wilson  <jimw@sifive.com>
5051
5052         PR target/89411
5053         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
5054         align, size, offset.  Use them to handle a BLKmode reference.  Update
5055         comment.
5056         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
5057
5058 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5059
5060         PR rtl-optimization/89768
5061         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
5062         instead of GEN_INT.
5063         (unroll_loop_runtime_iterations): Likewise.
5064
5065 2019-03-19  Martin Sebor  <msebor@redhat.com>
5066
5067         PR tree-optimization/89644
5068         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
5069         rather than endptr as an indicator of nul-termination.
5070
5071         PR tree-optimization/89644
5072         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
5073         arrays in determining sequence sizes in strncpy and stpncpy.
5074
5075 2019-03-19  Martin Liska  <mliska@suse.cz>
5076
5077         PR middle-end/89737
5078         * predict.c (combine_predictions_for_bb): Empty likely_edges and
5079         unlikely_edges if there's an edge that belongs to both these sets.
5080
5081 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
5082
5083         PR target/89746
5084         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
5085         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
5086         go via a stack temporary.
5087
5088 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5089
5090         PR target/89378
5091         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
5092         instead of gen_rtx_SUBREG.
5093         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
5094
5095 2019-03-19  Richard Biener  <rguenther@suse.de>
5096
5097         PR debug/88389
5098         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
5099
5100 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
5101
5102         PR lto/87809
5103         PR lto/89335
5104         * tree.c (free_lang_data_in_decl): Do not free context of C++
5105         destrutors.
5106
5107 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5108
5109         PR target/89506
5110         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
5111         subs for the first alternative except when operands[3] is 1.
5112
5113         PR target/89752
5114         * gimplify.c (gimplify_asm_expr): For output argument with
5115         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
5116         diagnose error.
5117
5118 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
5119
5120         PR rtl-optimization/89753
5121         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5122         explicit unrolling factor even more robust.
5123
5124 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
5125
5126         PR target/89726
5127         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
5128         compensation use x2 += 1 instead of x2 -= -1 and when honoring
5129         signed zeros, do another copysign after the compensation.
5130
5131 2019-03-18  Martin Sebor  <msebor@redhat.com>
5132
5133         PR tree-optimization/89720
5134         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
5135         more conservatively, the same as anti-range.
5136
5137 2019-03-18  Richard Biener  <rguenther@suse.de>
5138
5139         PR middle-end/88945
5140         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
5141         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
5142         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
5143         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
5144
5145 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
5146
5147         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
5148         Extend queue to 1024 entries.
5149         Add "consumed" field.
5150         (gomp_print_output): Remove print_index parameter.
5151         Add final parameter.
5152         Change limit to unsigned.
5153         Use consumed field to implement circular buffer.
5154         Detect interrupted print in final pass.
5155         Flush output at the end.
5156         (run): Update gomp_print_output usage.
5157         (main): Initialize kernargs->output_data.consumed.
5158
5159 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
5160
5161         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
5162         calculation of the minimum number of scalar iterations for
5163         fully-predicated loops.
5164
5165 2019-03-18  Martin Jambor  <mjambor@suse.cz>
5166
5167         PR tree-optimization/89546
5168         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
5169         any propagation to its children took place.
5170
5171 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
5172
5173         PR target/89627
5174         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
5175         parameter, and make use of it.
5176         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
5177
5178 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5179
5180         * config/arc/arc.opt (mcode-density-frame): Get the inital value
5181         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
5182         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5183         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
5184         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
5185         match what the ops is doing.
5186         (push_multi_fp_blink): Likewise.
5187         * config/arc/arc.c (arc_override_options): Enable enter/leave when
5188         compiling for size and elf target.
5189         (arc_save_callee_enter): Adjust note to match what enter/leave
5190         operation does.
5191
5192 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5193
5194         * config/arc/arc.md (tst_movb): Fix constraint.
5195
5196 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5197
5198         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
5199
5200 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
5201
5202         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
5203         * config/arc/arc.c (arc_conditional_register_usage): Remove all
5204         reg_alloc_order references.
5205         (size_alloc_order): Define.
5206         (arc_adjust_reg_alloc_order): New function.
5207         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
5208         order.
5209         (ADJUST_REG_ALLOC_ORDER): Define.
5210         (HONOR_REG_ALLOC_ORDER): Likewise.
5211
5212 2019-03-18  Richard Biener  <rguenther@suse.de>
5213
5214         PR target/87561
5215         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
5216         loads and stores a bit more.
5217
5218 2019-03-18  Richard Biener  <rguenther@suse.de>
5219
5220         PR target/87561
5221         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
5222         load pessimization to stores as well.
5223
5224 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
5225
5226         PR middle-end/86979
5227         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
5228         successor, use NULL as its av set.
5229
5230 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5231
5232         PR rtl-optimization/89721
5233         * lra-constraints (invariant_p): Return false if side_effects_p holds.
5234
5235 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5236
5237         PR target/87532
5238         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5239         When handling vec_extract, use modular arithmetic to allow
5240         constant selectors greater than vector length.
5241         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
5242         V1TImode vectors to have constant selector values greater than 0.
5243         Use modular arithmetic to compute vector index.
5244         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
5245         index for in-memory vectors.  Correct code generation for
5246         in-register vectors.
5247         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
5248         compute index.
5249
5250 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
5251
5252         PR c++/88534
5253         PR c++/88537
5254         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
5255         VAR_DECL args.
5256
5257 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
5258
5259         PR c++/89709
5260         * tree.c (inchash::add_expr): Strip any location wrappers.
5261         * fold-const.c (operand_equal_p): Move stripping of location wrapper
5262         after hash verification.
5263
5264         PR debug/89704
5265         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
5266         SIGN_EXTEND and ZERO_EXTEND.
5267
5268 2019-03-14  Jason Merrill  <jason@redhat.com>
5269             Jakub Jelinek  <jakub@redhat.com>
5270
5271         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
5272         than if is_empty (*slot).
5273         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
5274         existing elt and for elt removal.
5275         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
5276         of already removed elt.
5277
5278 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
5279
5280         PR target/89650
5281         * config/i386/i386.c (remove_partial_avx_dependency): Handle
5282         REG_EH_REGION note.
5283
5284 2019-03-14  Martin Liska  <mliska@suse.cz>
5285
5286         PR other/89712
5287         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
5288
5289 2019-03-14  Richard Biener  <rguenther@suse.de>
5290
5291         PR target/89711
5292         * config/i386/i386.c (make_resolver_func): Properly set
5293         DECL_CONTEXT on the RESULT_DECL.
5294         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
5295
5296 2019-03-14  Richard Biener  <rguenther@suse.de>
5297
5298         * gimple-pretty-print.c: Include cfgloop.h.
5299         (dump_gimple_phi): Adjust.
5300         (dump_gimple_bb_header): Dump loop header for GIMPLE.
5301         (pp_cfg_jump): Adjust.
5302         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
5303         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
5304         (lower_phi_internal_fn): Remove.
5305         (verify_gimple_call): Remove IFN_PHI special-casing.
5306         (dump_function_to_file): Dump IL state.
5307         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
5308         done to deal with PHI nodes being present in non-SSA state.
5309
5310 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5311
5312         PR ipa/89684
5313         * multiple_target.c (create_dispatcher_calls): Change
5314         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
5315         In the node->iterate_referring loop, push *ref rather than ref, call
5316         ref->remove_reference () and always pass 0 to iterate_referring.
5317
5318         PR rtl-optimization/89679
5319         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
5320         would contain a paradoxical SUBREG.
5321
5322 2019-03-14  Richard Biener  <rguenther@suse.de>
5323
5324         PR tree-optimization/89710
5325         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5326         safe_dyn_cast.
5327
5328 2019-03-14  Martin Liska  <mliska@suse.cz>
5329
5330         * coverage.c (coverage_begin_function): Stream also
5331         end_column.
5332         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5333         documentation about function declaration location.
5334         * gcov-dump.c (tag_function): Print whole range
5335         of function declaration.
5336         * gcov.c (struct function_info): Add end_column field.
5337         (function_info::function_info): Initialize it.
5338         (output_json_intermediate_file): Output {start,end}_column
5339         fields.
5340         (read_graph_file): Read end_column.
5341
5342 2019-03-14  Richard Biener  <rguenther@suse.de>
5343
5344         PR middle-end/89698
5345         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5346         that the access types are similar.
5347
5348 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5349
5350         PR tree-optimization/89703
5351         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5352         aren't compatible also with builtin_decl_explicit.  Check pure
5353         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5354         and BUILT_IN_STPNCPY{,_CHK}.
5355
5356 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5357
5358         PR target/89523
5359         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5360         addr32 prefix to VSIB address for X32.
5361         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5362         "%M2" to opcode.
5363         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5364         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5365         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5366         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5367         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5368         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5369         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5370         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5371         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5372         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5373         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5374         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5375         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5376         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5377         (*avx512f_scatterdi<mode>): Likewise.
5378
5379 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5380
5381         PR target/85860
5382         * lra-constraints.c (inherit_in_ebb): Update
5383         potential_reload_hard_regs along with live_hard_regs.
5384
5385 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5386
5387         PR debug/89498
5388         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5389         DWARF_OFFSET_SIZE.
5390         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5391
5392 2019-03-13  Martin Sebor  <msebor@redhat.com>
5393
5394         PR tree-optimization/89662
5395         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5396         has a size.
5397
5398 2019-03-13  Richard Biener  <rguenther@suse.de>
5399
5400         PR middle-end/89677
5401         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5402         throw FP expressions at tree-affine.
5403
5404 2019-03-14  Richard Biener  <rguenther@suse.de>
5405
5406         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5407         dump negative integer constants using _Literal (type) -num.
5408
5409 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5410
5411         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5412         nonlocal_value member.
5413
5414         PR middle-end/88588
5415         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5416         (ipa_simd_modify_function_body): Handle PHIs.
5417
5418 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5419
5420         * config/s390/s390.c (s390_option_override_internal): Use more
5421         aggressive inlining parameters.
5422
5423 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5424
5425         * config/s390/3906.md: New file.
5426         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5427         (LONGRUNNING_THRESHOLD): Remove.
5428         (MAX_SCHED_MIX_SCORE): Decrease.
5429         (MAX_SCHED_MIX_DISTANCE): Decrease.
5430         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5431         (struct s390_sched_state): New struct to hold scheduling state.
5432         (S390_SCHED_STATE_NORMAL): Remove.
5433         (S390_SCHED_STATE_CRACKED): Remove.
5434         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5435         (s390_get_sched_attrmask): Use new attribute.
5436         (s390_get_unit_mask): Use new units.
5437         (s390_is_fpd): New function.
5438         (s390_is_fxd): New function.
5439         (s390_is_longrunning): New function.
5440         (s390_sched_score): Use new functions.
5441         (s390_sched_reorder): Likewise.
5442         (s390_sched_variable_issue): Rework and use new functions.
5443         (s390_sched_init): Use new functions.
5444         * config/s390/s390.h (s390_tune_attr):  Add z14.
5445         * config/s390/s390.md: Add z14.
5446
5447 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5448
5449         * config/s390/2964.md: Update pipeline description.
5450         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5451         (LONGRUNNING_THRESHOLD): Remove.
5452         (LATENCY_FACTOR): Remove.
5453         (s390_get_unit_mask): Add unit.
5454         (s390_sched_score): Use fxd/fpd.
5455         (s390_sched_variable_issue): Use fxd/fpd.
5456
5457 2019-03-12  Martin Liska  <mliska@suse.cz>
5458
5459         * config/i386/i386.c: Reword an error message.
5460
5461 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5462
5463         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5464         terminate with newline.
5465
5466 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5467
5468         PR target/52726
5469         * config/s390/s390.md (tabort): Use %wd instead of
5470         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5471         letters and periods.
5472         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5473         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5474         's with %< and %>.
5475
5476         PR middle-end/89663
5477         * builtins.c (expand_builtin_int_roundingfn,
5478         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5479         gcc_unreachable if validate_arglist fails.
5480
5481 2019-03-12  Richard Biener  <rguenther@suse.de>
5482
5483         PR tree-optimization/89664
5484         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5485         free the occurance tree after the early out.
5486
5487 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5488
5489         PR middle-end/89655
5490         PR bootstrap/89656
5491         * vr-values.c (vr_values::update_value_range): If
5492         old_vr->varying_p (), don't update it, make new_vr also VARYING
5493         and return false.
5494
5495 2019-03-11  Martin Liska  <mliska@suse.cz>
5496
5497         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5498         Fix double string quoting.
5499
5500 2019-03-11  Martin Liska  <mliska@suse.cz>
5501
5502         * collect-utils.c (collect_wait): Wrap apostrophes
5503         in gcc internal format with %'.
5504         * collect2.c (main): Likewise.
5505         (scan_prog_file): Likewise.
5506         (scan_libraries): Likewise.
5507         * config/i386/i386.c (ix86_expand_call): Likewise.
5508         (ix86_handle_interrupt_attribute): Likewise.
5509         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5510         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5511         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5512         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5513         * symtab.c (symtab_node::verify_base): Likewise.
5514         * tree-cfg.c (verify_gimple_label): Likewise.
5515         * tree.c (verify_type_variant): Likewise.
5516
5517 2019-03-11  Martin Liska  <mliska@suse.cz>
5518
5519         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5520         in a string format message and fix GNU coding style.
5521         (expand_builtin_set_thread_pointer): Likewise.
5522         * common/config/aarch64/aarch64-common.c
5523         (aarch64_rewrite_selected_cpu): Likewise.
5524         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5525         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5526         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5527         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5528         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5529         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5530         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5531         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5532         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5533         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5534         Likewise.
5535         * common/config/riscv/riscv-common.c
5536         (riscv_subset_list::parsing_subset_version): Likewise.
5537         (riscv_subset_list::parse_std_ext): Likewise.
5538         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5539         (riscv_subset_list::parse): Likewise.
5540         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5541         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5542         (aarch64_override_options_internal): Likewise.
5543         (aarch64_validate_mcpu): Likewise.
5544         (aarch64_validate_march): Likewise.
5545         (aarch64_validate_mtune): Likewise.
5546         (aarch64_override_options): Likewise.
5547         * config/alpha/alpha.c (alpha_option_override): Likewise.
5548         * config/arc/arc.c (arc_init): Likewise.
5549         (parse_mrgf_banked_regs_option): Likewise.
5550         (arc_override_options): Likewise.
5551         (arc_expand_builtin_aligned): Likewise.
5552         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5553         (arm_expand_builtin): Likewise.
5554         * config/arm/arm.c (arm_option_check_internal): Likewise.
5555         (arm_configure_build_target): Likewise.
5556         (arm_option_override): Likewise.
5557         (arm_options_perform_arch_sanity_checks): Likewise.
5558         (arm_handle_cmse_nonsecure_entry): Likewise.
5559         (arm_handle_cmse_nonsecure_call): Likewise.
5560         (arm_tls_referenced_p): Likewise.
5561         (thumb1_expand_prologue): Likewise.
5562         * config/avr/avr.c (avr_option_override): Likewise.
5563         * config/bfin/bfin.c (bfin_option_override): Likewise.
5564         * config/c6x/c6x.c (c6x_option_override): Likewise.
5565         * config/cr16/cr16.c (cr16_override_options): Likewise.
5566         * config/cris/cris.c (cris_option_override): Likewise.
5567         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5568         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5569         * config/darwin.c (darwin_override_options): Likewise.
5570         * config/frv/frv.c (frv_expand_builtin): Likewise.
5571         * config/h8300/h8300.c (h8300_option_override): Likewise.
5572         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5573         (ix86_option_override_internal): Likewise.
5574         (warn_once_call_ms2sysv_xlogues): Likewise.
5575         (ix86_expand_prologue): Likewise.
5576         (split_stack_prologue_scratch_regno): Likewise.
5577         (ix86_warn_parameter_passing_abi): Likewise.
5578         * config/ia64/ia64.c (fix_range): Likewise.
5579         * config/m68k/m68k.c (m68k_option_override): Likewise.
5580         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5581         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5582         (mips_set_compression_mode): Likewise.
5583         * config/mmix/mmix.c (mmix_option_override): Likewise.
5584         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5585         * config/msp430/msp430.c (msp430_option_override): Likewise.
5586         * config/nds32/nds32.c (nds32_option_override): Likewise.
5587         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5588         (nios2_option_override): Likewise.
5589         (nios2_expand_custom_builtin): Likewise.
5590         * config/nvptx/mkoffload.c (main): Likewise.
5591         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5592         * config/pa/pa.c (fix_range): Likewise.
5593         (pa_option_override): Likewise.
5594         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5595         (riscv_option_override): Likewise.
5596         * config/rl78/rl78.c (rl78_option_override): Likewise.
5597         * config/rs6000/aix61.h: Likewise.
5598         * config/rs6000/aix71.h: Likewise.
5599         * config/rs6000/aix72.h: Likewise.
5600         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5601         * config/rs6000/freebsd64.h: Likewise.
5602         * config/rs6000/linux64.h: Likewise.
5603         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5604         (rs6000_expand_zeroop_builtin): Likewise.
5605         (rs6000_expand_mtfsb_builtin): Likewise.
5606         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5607         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5608         (rs6000_invalid_builtin): Likewise.
5609         (rs6000_expand_split_stack_prologue): Likewise.
5610         * config/rs6000/rtems.h: Likewise.
5611         * config/rx/rx.c (valid_psw_flag): Likewise.
5612         (rx_expand_builtin): Likewise.
5613         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5614         * config/s390/s390.c (s390_expand_builtin): Likewise.
5615         (s390_function_profiler): Likewise.
5616         (s390_option_override_internal): Likewise.
5617         (s390_option_override): Likewise.
5618         * config/sh/sh.c (sh_option_override): Likewise.
5619         (sh_builtin_saveregs): Likewise.
5620         (sh_fix_range): Likewise.
5621         * config/sh/vxworks.h: Likewise.
5622         * config/sparc/sparc.c (sparc_option_override): Likewise.
5623         * config/spu/spu.c (spu_option_override): Likewise.
5624         (fix_range): Likewise.
5625         * config/visium/visium.c (visium_option_override): Likewise.
5626         (visium_handle_interrupt_attr): Likewise.
5627         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5628         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5629         (dbg_cnt_process_opt): Likewise.
5630         * dwarf2out.c (output_dwarf_version): Likewise.
5631         * except.c (expand_eh_return): Likewise.
5632         * gcc.c (defined): Likewise.
5633         (driver_handle_option): Likewise.
5634         (process_command): Likewise.
5635         (compare_files): Likewise.
5636         (driver::prepare_infiles): Likewise.
5637         (driver::do_spec_on_infiles): Likewise.
5638         (driver::maybe_run_linker): Likewise.
5639         * omp-offload.c (oacc_parse_default_dims): Likewise.
5640         * opts-global.c (handle_common_deferred_options): Likewise.
5641         * opts.c (parse_sanitizer_options): Likewise.
5642         (common_handle_option): Likewise.
5643         (enable_warning_as_error): Likewise.
5644         * passes.c (enable_disable_pass): Likewise.
5645         * plugin.c (parse_plugin_arg_opt): Likewise.
5646         (default_plugin_dir_name): Likewise.
5647         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5648         (default_pch_valid_p): Likewise.
5649         * toplev.c (init_asm_output): Likewise.
5650         (process_options): Likewise.
5651         (toplev::run_self_tests): Likewise.
5652         * tree-cfg.c (verify_gimple_call): Likewise.
5653         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5654         (tree_inlinable_function_p): Likewise.
5655         * var-tracking.c (vt_find_locations): Likewise.
5656
5657 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5658
5659         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5660         only on the else branch.
5661
5662 2019-03-11  Martin Liska  <mliska@suse.cz>
5663
5664         * gcov.c (output_intermediate_json_line): Print function
5665         name of each line.
5666         (output_json_intermediate_file): Add new argument.
5667         * doc/gcov.texi: Document the change.
5668
5669 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5670
5671         PR rtl-optimization/89588
5672         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5673         explicit unrolling factor more robust.
5674
5675 2019-03-11  Richard Biener  <rguenther@suse.de>
5676
5677         PR tree-optimization/89649
5678         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5679         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5680         on the prolog and epilog loops.
5681         (vect_loop_versioning): Return copy of loop.
5682         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5683         on the non-vectorized version of the loop.
5684
5685 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5686
5687         PR target/68924
5688         * config/i386/sse.md (*vec_extractv2di_0_sse):
5689         Add (=r,x) alternative and corresponding splitter.
5690
5691 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5692
5693         PR tree-optimization/85762
5694         PR tree-optimization/87008
5695         PR tree-optimization/85459
5696         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5697         it points to if there is a type changing MEM_REF.  Adjust all callers.
5698         (build_accesses_from_assign): Disable total scalarization if
5699         contains_vce_or_bfcref_p returns true through the new parameter, for
5700         both rhs and lhs.
5701
5702 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5703
5704         PR c/88568
5705         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5706         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5707
5708         PR target/79645
5709         * common.opt (fdiagnostics-show-labels,
5710         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5711         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5712         gas-locview-support, ginline-points, ginternal-reset-location-views):
5713         Terminate description text with a dot.
5714         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5715         * config/mcore/mcore.opt (m210, m340): Likewise.
5716         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5717         mnops=): Start description text with a capital letter.
5718         * config/arc/arc.opt (msize-level=): Likewise.
5719         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5720         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5721         mnewlib): Likewise.
5722         * config/ft32/ft32.opt (msim): Likewise.
5723         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5724         (mnodiv, mnopm): Terminate description text with a dot.
5725         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5726         a colon.
5727         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5728         Likewise.
5729         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5730         text.
5731
5732         PR rtl-optimization/89634
5733         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5734         are modified in BB_END (e->src) instruction.
5735
5736 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5737
5738         PR target/79926
5739         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5740         messages more amenable to translation, and improve wording.
5741
5742 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5743
5744         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5745         ud- and du-chains between phases.
5746
5747 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5748
5749         PR debug/89631
5750         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5751         instead of POLY_INT_CST.
5752
5753 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5754
5755         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5756         requirement.
5757
5758 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5759
5760         PR target/68924
5761         PR target/78782
5762         PR target/87558
5763         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5764         (_mm_storeu_si64): Ditto.
5765
5766 2019-03-08  Martin Liska  <mliska@suse.cz>
5767
5768         PR target/86952
5769         * config/i386/i386.c (ix86_option_override_internal): Disable
5770         jump tables when retpolines are used.
5771
5772 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5773
5774         PR go/63560
5775         * ipa-split.c (execute_split_functions): Do not split
5776         'noinline' or 'section' function.
5777
5778 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5779
5780         PR target/79846
5781         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5782         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5783         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5784
5785         PR ipa/80000
5786         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5787         from diagnostics.  Formatting fixes.
5788
5789         PR target/85665
5790         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5791         warn_odr diagnostics.
5792
5793         PR other/80058
5794         * lra-constraints.c (process_alt_operands): Avoid one space before
5795         " at the end of line and another after " on another line in a string
5796         literal.
5797         * attribs.c (handle_dll_attribute): Likewise.
5798         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5799
5800         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5801         warning_at or inform messages in G_() if there is no ?:.
5802
5803         PR tree-optimization/89550
5804         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5805         returned true.  Formatting fixes.
5806         (expand_builtin_strnlen): Formatting fixes.
5807         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5808         if warning_at returned true.
5809         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5810
5811 2019-03-08  Richard Biener  <rguenther@suse.de>
5812
5813         PR middle-end/89578
5814         * cfgloop.h (struct loop): Add owned_clique field.
5815         * cfgloopmanip.c (copy_loop_info): Copy it.
5816         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5817         cliques.
5818         * tree-inline.c (copy_loops): Remap owned_clique.
5819         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5820         * lto-streamer-out.c (output_cfg): Likewise.
5821
5822 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5823
5824         PR target/80190
5825         * config/darwin.c: Include intl.h.
5826         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5827         composing the message out of two separate parts.
5828
5829 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5830
5831         PR target/80003
5832         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5833         doesn't start with a capital letter and doesn't end with a dot.
5834         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5835         with a capital letter.
5836         (ix86_mangle_function_version_assembler_name): Likewise.
5837         (ix86_generate_version_dispatcher_body): Likewise.
5838         (fold_builtin_cpu): Likewise.
5839         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5840         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5841         translators, wrap full type name in %qs.
5842
5843         PR translation/79999
5844         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5845         depend clause with source (or sink) modifier.
5846         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5847
5848         PR target/89602
5849         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5850         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5851         (avx512f_load<mode>_mask): New define_expand.
5852         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5853         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5854         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5855         __builtin_ia32_movess_mask): New builtins.
5856         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5857         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5858         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5859         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5860
5861 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5862
5863         PR lto/87525
5864         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5865         for extern inline functions.
5866
5867 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5868
5869         PR ipa/88235
5870         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5871         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5872         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5873         have multiple callees.  At the end check if declarations match as
5874         opposed to cgraph_nodes.
5875
5876 2019-03-07  Martin Liska  <mliska@suse.cz>
5877
5878         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5879         which is equivalent to searching for this in clones chain.
5880         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5881         names with a neighbour and special case first node in a chain.
5882
5883 2019-01-25  Jason Merrill  <jason@redhat.com>
5884
5885         PR c++/80916 - spurious "static but not defined" warning.
5886         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5887         for an internal symbol with DECL_EXTERNAL.
5888
5889 2019-04-07  Richard Biener  <rguenther@suse.de>
5890
5891         PR middle-end/89618
5892         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5893         * tree-inline.c (copy_loops): Simplify.
5894
5895 2019-03-07  Martin Liska  <mliska@suse.cz>
5896
5897         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5898
5899 2019-03-07  Richard Biener  <rguenther@suse.de>
5900
5901         PR tree-optimization/89595
5902         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5903         stmt iterator as reference, take boolean output parameter to
5904         indicate whether the stmt was removed and thus the iterator
5905         already advanced.
5906         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5907         stmts created by folding.
5908
5909 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5910
5911         PR c++/89585
5912         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5913         at toplevel.
5914
5915 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5916
5917         PR rtl-optimization/88845
5918         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5919         LRA.
5920         * lra.c (remove_scratches_1): New function.
5921         (remove_scratches): Use it.
5922         (lra_emit_move): Likewise.
5923
5924 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5925
5926         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5927         unaligned_access variable.
5928         * config/arc/arc.c (arc_override_options): Set unaligned access
5929         default on for HS CPUs.
5930         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5931
5932 2019-03-06  Martin Liska  <mliska@suse.cz>
5933
5934         PR gcov-profile/89577
5935         * doc/gcov.texi: Prefer to use --coverage.
5936         * doc/sourcebuild.texi: Likewise.
5937
5938 2019-03-02  Jason Merrill  <jason@redhat.com>
5939
5940         PR c++/86485 - -Wmaybe-unused with empty class ?:
5941         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5942
5943 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5944
5945         PR target/89587
5946         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5947         if_multiarch.
5948
5949         PR middle-end/89590
5950         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5951         exactly one argument.
5952
5953 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5954             Richard Sandiford  <richard.sandiford@arm.com>
5955
5956         PR tree-optimization/89570
5957         * match.pd (vec_cond into cond_op simplification): Don't use
5958         get_conditional_internal_fn, use as_internal_fn (cond_op).
5959
5960 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5961
5962         PR target/89222
5963         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5964         to decide when to split off a non-zero offset from a symbol.
5965         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5966         in function symbols.
5967
5968 2019-03-05  Richard Biener  <rguenther@suse.de>
5969
5970         PR tree-optimization/89594
5971         * tree-if-conv.c (pass_if_conversion::execute): Handle
5972         case where .LOOP_VECTORIZED_FUNCTION was removed.
5973
5974 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5975
5976         PR bootstrap/89560
5977         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5978         instead alloca it only when needed with the needed size.
5979
5980         PR tree-optimization/89570
5981         * match.pd (vec_cond into cond_op simplification): Guard with
5982         vectorized_internal_fn_supported_p test and #if GIMPLE.
5983
5984         PR tree-optimization/89566
5985         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5986         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5987         Punt if get_user_idx_format succeeds, but idx_format argument is
5988         not provided or doesn't have pointer type, or if idx_args is above
5989         number of provided arguments.
5990
5991 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5992
5993         PR tree-optimization/89437
5994         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5995
5996 2019-03-04  Richard Biener  <rguenther@suse.de>
5997
5998         PR middle-end/89572
5999         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
6000         safe_dyn_cast.
6001
6002 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
6003
6004         PR tree-optimization/89487
6005         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
6006         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
6007         (distribute_loop): Don't do runtime alias check if there is non-
6008         addressable data reference.
6009         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
6010         is a register variable.
6011
6012 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
6013
6014         PR target/89506
6015         * config/arm/arm.md (cmpsi2_addneg): Use
6016         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
6017         If operands[2] is 0 or INT_MIN, force use of subs.
6018         (*compare_scc splitter): Use gen_int_mode.
6019         (*negscc): Likewise.
6020         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
6021
6022 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
6023             Monk Chiang  <sh.chiang04@gmail.com>
6024
6025         * common/config/riscv/riscv-common.c: Include sstream.
6026         (riscv_subset_list::to_string): New.
6027         (riscv_arch_str): Likewise.
6028         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
6029         * config.in: Regen.
6030         * config/riscv/riscv-protos.h (riscv_arch_str): New.
6031         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
6032         (riscv_emit_attribute): New.
6033         (riscv_file_start): Emit attribute if needed.
6034         (riscv_option_override): Init riscv_emit_attribute_p.
6035         * config/riscv/riscv.opt (mriscv-attribute): New option.
6036         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
6037         * configure: Regen.
6038         * doc/install.texi: Document --with-riscv-attribute.
6039         * doc/invoke.texi: Document -mriscv-attribute.
6040
6041         * common/config/riscv/riscv-common.c:
6042         Include config/riscv/riscv-protos.h.
6043         (INCLUDE_STRING): Defined.
6044         (RISCV_DONT_CARE_VERSION): Defined.
6045         (riscv_subset_t): Declare.
6046         (riscv_subset_t::riscv_subset_t): New.
6047         (riscv_subset_list): Declare.
6048         (riscv_subset_list::riscv_subset_list): New.
6049         (riscv_subset_list::~riscv_subset_list): Likewise.
6050         (riscv_subset_list::parsing_subset_version): Likewise.
6051         (riscv_subset_list::parse_std_ext): Likewise.
6052         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6053         (riscv_subset_list::add): Likewise.
6054         (riscv_subset_list::lookup): Likewise.
6055         (riscv_subset_list::xlen): Likewise.
6056         (riscv_subset_list::parse): Likewise.
6057         (riscv_supported_std_ext): Likewise.
6058         (current_subset_list): Likewise.
6059         (riscv_parse_arch_string): Using riscv_subset_list::parse to
6060         parse.
6061
6062 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
6063
6064         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
6065         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
6066         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
6067
6068 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
6069
6070         PR rtl-optimization/85899
6071         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
6072         fallthru edges leading to the exit block.
6073
6074 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
6075
6076         PR target/89517
6077         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
6078         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
6079
6080 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
6081
6082         PR tree-optimization/89535
6083         * tree-vect-stmts.c (vectorizable_call): Record the vector types
6084         for each operand.  Calculate the fallback choice for mask operands
6085         and pass it to vect_get_vec_def_for_operand.
6086
6087 2019-03-01  Richard Biener  <rguenther@suse.de>
6088
6089         PR middle-end/89541
6090         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
6091         get virtual operands.
6092         (get_expr_operands): Handle CONST_DECL like other decls.
6093
6094 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6095
6096         PR middle-end/89503
6097         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
6098         on DECL_P and EXPR_P.
6099
6100 2019-03-01  Richard Biener  <rguenther@suse.de>
6101
6102         PR middle-end/89497
6103         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
6104         argument, defaulted to zero.
6105         * passes.c (execute_function_todo): Pass down SSA update flags
6106         to cleanup_tree_cfg.
6107         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
6108         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
6109         form if requested.
6110         (cleanup_tree_cfg): Get and pass down SSA update flags.
6111
6112 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
6113
6114         PR bootstrap/89539
6115         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
6116         early_lto_debug argument.
6117
6118 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6119
6120         PR tree-optimization/89536
6121         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
6122         only whether bit #0 of the value is 0 instead of the entire value.
6123
6124 2019-02-28  Marek Polacek  <polacek@redhat.com>
6125
6126         PR c++/87068 - missing diagnostic with fallthrough statement.
6127         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
6128         at the end of a seq, save its location to walk_stmt_info.
6129         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
6130         a switch.
6131
6132 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
6133
6134         PR lto/88585
6135         * tree.c (find_atomic_core_type): Move ahead in file.
6136         (check_base_type): Correctly compare alignments of atomic types.
6137
6138 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6139
6140         PR target/89455
6141         * config/i386/i386.c (get_builtin_code_for_version): Identify
6142         Westmere from PCLMUL, instead of AES.
6143
6144 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6145
6146         PR target/89434
6147         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
6148         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
6149         -UINTVAL (...).
6150
6151 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
6152
6153         PR target/88530
6154         * config/aarch64/aarch64-option-extensions.def: Document it.
6155         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
6156         if empty hwcaps.
6157
6158 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
6159
6160         PR c/89520
6161         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
6162         builtins if they don't have a single scalar floating point argument.
6163         Formatting fixes.
6164
6165 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6166
6167         PR rtl-optimization/89490
6168         * varasm.c (get_block_for_section): Bail out for mergeable sections.
6169         (default_use_anchors_for_symbol_p, output_object_block): Assert the
6170         block section is not mergeable.
6171
6172 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6173
6174         PR target/70341
6175         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
6176         old define_insn to ...
6177         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
6178         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
6179         Rename old define_insn to ...
6180         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
6181         (thumb2_casesi_internal_pic): New define_expand.  Rename old
6182         define_insn to ...
6183         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
6184         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
6185         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
6186
6187 2019-02-27  Richard Biener  <rguenther@suse.de>
6188
6189         PR debug/88878
6190         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
6191
6192 2019-02-27  Richard Biener  <rguenther@suse.de>
6193
6194         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
6195         building.
6196
6197 2019-02-27  Richard Biener  <rguenther@suse.de>
6198
6199         PR debug/88878
6200         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
6201         parameter, prefix section name with .gnu.debuglto_ if true.
6202         (dwarf2out_finish): Pass false to output_comdat_type_unit.
6203         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
6204
6205 2019-02-27  Richard Biener  <rguenther@suse.de>
6206
6207         PR debug/89514
6208         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
6209         rather than on use_debug_types, doing what output_die does.
6210         (value_format): Likewise.
6211
6212 2019-02-27  Martin Jambor  <mjambor@suse.cz>
6213             Martin Sebor  <msebor@redhat.com>
6214
6215         * doc/invoke.texi (Warning Options): Reword description of
6216         -Wno-absolute-value.
6217
6218 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
6219
6220         PR tree-optimization/89280
6221         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
6222         builtin_setjmp_setup_bb): New functions.
6223         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
6224         When visiting __builtin_setjmp_setup block, queue in special
6225         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
6226         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
6227         from visited after the loop if they don't have any visited successor
6228         blocks.
6229
6230 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
6231
6232         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
6233         New function.
6234         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
6235
6236 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6237
6238         PR c++/89507
6239         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
6240         with types other than sizetype/ssizetype.
6241
6242 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6243
6244         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
6245         (enum sparc_processor_type): ...this.
6246         (enum sparc_code_model_type): New enumeration type.
6247         (enum sparc_memory_model_type): Tweak comments.
6248         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
6249         (mtune): Likewise.
6250         (mcmodel): Use sparc_code_model enumeration and variable.
6251         (sparc_code_model): New enumeration.
6252         (mdebug): Add Undocumented marker.
6253         * config/sparc/sparc.h (enum cmodel): Delete.
6254         (sparc_cmodel): Likewise.
6255         (TARGET_CM_MEDLOW): Adjust to above renaming.
6256         (TARGET_CM_MEDMID): Likewise.
6257         (TARGET_CM_MEDANY): Likewise.
6258         (TARGET_CM_EMBMEDANY): Likewise.
6259         * config/sparc/sparc.c (sparc_cmodel): Delete.
6260         (sparc_option_override): Remove string/value mapping support for the
6261         code model.  Move code and memory model support to after the handling
6262         of target flags.  Do private machine setup last.
6263         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
6264         (sparc_legitimize_reload_address): Likewise.
6265         (sparc_output_mi_thunk): Likewise.
6266         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
6267
6268 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6269
6270         PR tree-optimization/89500
6271         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
6272         (handle_builtin_strlen): Remove noncst_bound variable.  Always
6273         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
6274         cst if the first cst bytes starting at x are known to be non-zero,
6275         even if the string is not zero terminated.  Don't try to modify
6276         *si for strnlen.  Update strlen_to_stridx only for strlen or if
6277         we can prove strnlen returns the same value as strlen would.
6278
6279 2019-02-26  Martin Liska  <mliska@suse.cz>
6280
6281         * alloc-pool.h (struct pool_usage): Remove extra
6282         print_dash_line.
6283         * bitmap.h (struct bitmap_usage): Likewise.
6284         * ggc-common.c (struct ggc_usage): Likewise.
6285         * mem-stats.h (struct mem_usage): Likewise.
6286         (mem_alloc_description::dump): Print dash lines
6287         here and repeat header at the end of a table report.
6288         It's then more readable.
6289         * tree-phinodes.c (phinodes_print_statistics): Make
6290         horizontal alignment.
6291         * tree-ssanames.c (ssanames_print_statistics): Likewise.
6292         * vec.c (struct vec_usage): Remove extra print_dash_line.
6293         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
6294
6295 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
6296
6297         * doc/extend.texi (__builtin_object_size):
6298         Use @pxref instead of @xref inside parenthesis.
6299         (__builtin_has_attribute): Add missing comma after @xref.
6300         (__builtin_object_size): Ditto.
6301         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
6302         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
6303         in the list.
6304
6305 2019-02-26  Jeff Law  <law@redhat.com>
6306
6307         PR rtl-optimization/87761
6308         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
6309         detect obviously dead insns and delete them.
6310
6311 2019-02-26  Richard Biener  <rguenther@suse.de>
6312
6313         PR tree-optimization/89505
6314         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
6315         to handle restrict pointed-to vars with multiple subvars
6316         correctly.
6317
6318 2019-02-26  Richard Biener  <rguenther@suse.de>
6319
6320         PR tree-optimization/89489
6321         * tree-parloops.c (create_loop_fn): Copy over last_clique.
6322
6323 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6324
6325         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6326         and move around comment.
6327         <BIT_AND_EXPR>: Likewise.
6328         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6329
6330 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6331
6332         PR target/89474
6333         * config/i386/i386.c (remove_partial_avx_dependency): Call
6334         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6335         after changing possibly many instructions to use that pseudo.  Fix up
6336         insertion of v4sf_const0 setter at the start of bb.
6337
6338 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6339
6340         PR c/80409
6341         * doc/extend.texi (Variadic Pointer Args): New section.
6342
6343 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6344             Martin Sebor  <msebor@gmail.com>
6345
6346         * common.opt (Wattribute-alias): Likewise.
6347         * doc/invoke.texi (Option Summary): List general form of
6348         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6349         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6350         Add cross-references.
6351         (-Wattribute-alias): Rewrite and correct default.  Mention
6352         considered attributes (same as for -Wmissing-attributes).
6353
6354 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6355
6356         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6357         (_mm_cvtpd_ps): Likewise.
6358         (_mm_cvttpd_epi32): Likewise.
6359
6360         PR target/89338
6361         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6362         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6363
6364         PR target/89339
6365         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6366
6367 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6368
6369         PR target/88530
6370         * common/config/aarch64/aarch64-common.c
6371         (struct aarch64_option_extension): Add is_synthetic.
6372         (all_extensions): Use it.
6373         (TARGET_OPTION_INIT_STRUCT): Define hook.
6374         (struct gcc_targetm_common): Moved to end.
6375         (all_extensions_by_on): New.
6376         (opt_ext_cmp, typedef opt_ext): New.
6377         (aarch64_option_init_struct): New.
6378         (aarch64_contains_opt): New.
6379         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6380         * config/aarch64/aarch64-option-extensions.def
6381         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6382         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6383         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6384         Set is_synthetic to false.
6385         (crypto): Set is_synthetic to true.
6386         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6387         SYNTHETIC.
6388
6389 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6390
6391         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6392         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6393         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6394         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6395         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6396         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6397         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6398         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6399         Rename ...
6400         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6401         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6402         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6403         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6404         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6405         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6406         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6407         vfmlsl_laneq_high_f16): ... To this.
6408         * config/arm/neon.md: Update comments.
6409
6410 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6411
6412         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6413         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6414         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6415         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6416         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6417         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6418         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6419         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6420         Rename ...
6421         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6422         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6423         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6424         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6425         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6426         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6427         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6428         vfmlslq_laneq_high_f16): ... To this.
6429
6430 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6431
6432         PR rtl-optimization/86096
6433         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6434         comparing mw_order values.
6435
6436 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6437
6438         PR target/89434
6439         * config/arm/arm.md (*subsi3_carryin_const): Use
6440         arm_neg_immediate_operand predicate instead of
6441         arm_not_immediate_operand, "L" constraint instead of "K" and
6442         print it using %n2 instead of %B2.
6443         (*subsi3_carryin_const0): New define_insn.
6444         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6445         instead of arm_not_operand and "I" constraint instead of "K" and
6446         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6447         another match_operand and in the condition check that it is negation
6448         of operands[2].
6449         (*subsi3_carryin_compare_const0): New define_ins.
6450         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6451         *subsi3_carryin_const.
6452         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6453         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6454
6455         PR target/89438
6456         * config/arm.vfp.md (*negdf2_vfp): Use
6457         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6458         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6459
6460 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6461
6462         PR rtl-optimization/89445
6463         * simplify-rtx.c (simplify_ternary_operation): Don't use
6464         simplify_merge_mask on operands that may trap.
6465         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6466         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6467         second operand is CONST_VECTOR, check if any element could be zero.
6468         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6469         their operands can trap.
6470
6471 2019-02-23  Martin Sebor  <msebor@redhat.com>
6472
6473         * gimple-ssa-sprintf.c (target_strtol): Rename...
6474         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6475         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6476         check for range error.
6477
6478 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6479
6480         PR driver/69471
6481         * opts-common.c (prune_options): Also prune joined switches
6482         with Negative and RejectNegative.
6483         * config/i386/i386.opt (march=): Add Negative(march=).
6484         (mtune=): Add Negative(mtune=).
6485         * doc/options.texi: Document Negative used together with Joined
6486         and RejectNegative.
6487
6488 2019-02-22  Martin Sebor  <msebor@redhat.com>
6489
6490         * doc/extend.texi (Other Builtins): Add
6491         __builtin_is_constant_evaluated.
6492
6493 2019-02-22  Richard Biener  <rguenther@suse.de>
6494
6495         PR tree-optimization/87609
6496         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6497
6498 2019-02-22  Jeff Law  <law@redhat.com>
6499
6500         PR rtl-optimization/87761
6501         * config/mips/mips.md: Add new combiner pattern to recognize
6502         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6503
6504 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6505
6506         PR target/89324
6507         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6508         destination register in peepholes generating patterns for ADDS/SUBS.
6509         (add<mode>3_compare0,
6510         *addsi3_compare0_uxtw, add<mode>3_compareC,
6511         add<mode>3_compareV_imm, add<mode>3_compareV,
6512         *adds_<optab><ALLX:mode>_<GPI:mode>,
6513         *subs_<optab><ALLX:mode>_<GPI:mode>,
6514         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6515         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6516         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6517         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6518         sub<mode>3_compare1): Allow stack pointer for source register.
6519         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6520
6521 2019-02-22  Martin Sebor  <msebor@redhat.com>
6522
6523         PR tree-optimization/88993
6524         PR tree-optimization/88853
6525         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6526         New helper.
6527         (sprintf_dom_walker::call_info::is_string_func): New helper.
6528         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6529         for formatted string functions.
6530         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6531
6532 2019-02-22  Martin Sebor  <msebor@redhat.com>
6533
6534         PR c/89425
6535         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6536         unreachable subexpressions.
6537
6538 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6539             Hongtao Liu  <hongtao.liu@intel.com>
6540             Sunil K Pandey  <sunil.k.pandey@intel.com>
6541
6542         PR target/87007
6543         * config/i386/i386-passes.def: Add
6544         pass_remove_partial_avx_dependency.
6545         * config/i386/i386-protos.h
6546         (make_pass_remove_partial_avx_dependency): New.
6547         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6548         New function.
6549         (pass_data_remove_partial_avx_dependency): New.
6550         (pass_remove_partial_avx_dependency): Likewise.
6551         (make_pass_remove_partial_avx_dependency): Likewise.
6552         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6553         (*extendsfdf2): Add avx_partial_xmm_update.
6554         (truncdfsf2): Likewise.
6555         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6556         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6557
6558 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6559
6560         PR middle-end/85598
6561         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6562         analysis for pass.
6563
6564 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6565
6566         PR target/89444
6567         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6568         (PTA_SKYLAKE): Add PTA_AES.
6569         (PTA_GOLDMONT): Likewise.
6570
6571 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6572
6573         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6574         instruction if enabled.
6575         (aarch64_override_options): Remove reference to return address key.
6576
6577 2019-02-22  Richard Biener  <rguenther@suse.de>
6578
6579         PR tree-optimization/89440
6580         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6581         not necessary assert.
6582
6583 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6584
6585         PR fortran/72741
6586         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6587         (oacc_replace_fn_attrib_attr): ... this new function.
6588         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6589         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6590
6591 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6592
6593         * config/arm/arm-cpus.in (ares): Rename to...
6594         (neoverse-n1): ... This.  Add ares as alias.
6595         * config/arm/arm-tables.opt: Regenerate.
6596         * config/arm/arm-tune.md: Likewise.
6597         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6598
6599 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6600
6601         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6602         * config/aarch64/aarch64-tune.md: Regenerate.
6603         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6604
6605 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6606
6607         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6608         (neoversen1_tunings): ... This.
6609         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6610         (neoverse-n1): New CPU.
6611         * config/aarch64/aarch64-tune.md: Regenerate.
6612         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6613
6614 2019-02-22  Richard Biener  <rguenther@suse.de>
6615
6616         PR middle-end/87609
6617         * cfghooks.h (dependence_hash): New typedef.
6618         (struct copy_bb_data): New type.
6619         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6620         (duplicate_block): Likewise.
6621         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6622         (copy_bbs): Create and pass down copy_bb_data.
6623         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6624         (rtl_duplicate_bb): Likewise.
6625         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6626         remap dependence info.
6627
6628 2019-02-22  Richard Biener  <rguenther@suse.de>
6629
6630         PR tree-optimization/87609
6631         * tree-core.h (tree_base): Document special clique values.
6632         * tree-inline.c (remap_dependence_clique): Do not use the
6633         special clique value of one.
6634         (maybe_set_dependence_info): Use clique one.
6635         (clear_dependence_clique): New callback.
6636         (compute_dependence_clique): Clear clique one from all refs
6637         before assigning it (again).
6638
6639 2019-02-21  Martin Sebor  <msebor@redhat.com>
6640
6641         * doc/extend.texi (__clear_cache): Correct signature.
6642
6643 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6644
6645         PR go/89170
6646         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6647         than output_constant_def.
6648         (add_constant_to_table): New static function.
6649         (output_constant_def): Call add_constant_to_table.
6650         (tree_output_constant_def): Likewise.
6651
6652 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6653
6654         PR c++/89285
6655         * builtins.c (fold_builtin_arith_overflow): If first two args are
6656         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6657         to ifn.
6658
6659 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6660
6661         PR target/87412
6662         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6663         error for -mindirect-branch/-mfunction-return with incompatible
6664         -fcf-protection.
6665
6666 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6667
6668         PR bootstrap/88714
6669         * constraints.md (q): Remove.
6670         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6671         instead of q.
6672
6673 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6674
6675         PR hsa/89302
6676         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6677         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6678         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6679         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6680         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6681         proper values to new parameters of omp_adjust_for_condition.
6682
6683 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6684
6685         PR middle-end/89412
6686         * expr.c (expand_assignment): If result is a MEM, use change_address
6687         instead of simplify_gen_subreg.
6688
6689 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6690             David Malcolm  <dmalcolm@redhat.com>
6691
6692         PR middle-end/89091
6693         * fold-const.c (decode_field_reference): Return NULL_TREE if
6694         lang_hooks.types.type_for_size returns NULL.  Check it before
6695         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6696
6697 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6698
6699         PR middle-end/88074
6700         PR middle-end/89415
6701         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6702         buggy mpc_norm.
6703
6704 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6705
6706         PR target/89397
6707         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6708         TARGET_SSE in addition to TARGET_SSE_MATH.
6709
6710         (ix86_excess_precision): Ditto.
6711         (ix86_float_exceptions_rounding_supported_p): Ditto.
6712         (use_rsqrt_p): Ditto.
6713         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6714
6715 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6716
6717         PR c/89410
6718         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6719         linenum_arith_t when determining if two adjacent line spans are
6720         close enough to merge.
6721         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6722         lines within each line_span.
6723
6724 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6725
6726         PR target/86487
6727         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6728         paradoxical SUBREGS.
6729
6730 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6731
6732         PR target/88100
6733         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6734         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6735         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6736         range checking it.
6737
6738 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6739
6740         * config/gcn/gcn.c (print_operand): Fix typo.
6741
6742 2019-02-19  Richard Biener  <rguenther@suse.de>
6743
6744         PR middle-end/88074
6745         * toplev.c (do_compile): Initialize mpfr's exponent range
6746         based on available float modes.
6747
6748 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6749
6750         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6751         as long as the epilogue isn't completed.
6752
6753 2019-02-18  Martin Sebor  <msebor@redhat.com>
6754
6755         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6756         __has_cpp_attribute, and __has_include.
6757
6758 2019-02-18  Martin Sebor  <msebor@redhat.com>
6759
6760         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6761
6762 2019-02-18  Martin Sebor  <msebor@redhat.com>
6763
6764         PR middle-end/89294
6765         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6766         expression.
6767         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6768
6769 2019-02-18  Richard Biener  <rguenther@suse.de>
6770
6771         PR tree-optimization/89296
6772         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6773         of no-warning flag to cases that might emit the bogus warning.
6774
6775 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6776
6777         PR bootstrap/88714
6778         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6779         "q" constraint.
6780         * config/arm/vfp.md (*movdi_vfp): Likewise.
6781         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6782         "q" constraint for operands[0].
6783
6784         PR target/89369
6785         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6786         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6787         pattern in a temporary buffer.
6788         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6789         than 64-operands[2].
6790
6791         PR target/89361
6792         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6793         s390_indirect_branch_settings): Define unconditionally.
6794         (s390_set_current_function): Likewise, but guard the whole body except
6795         the s390_indirect_branch_settings call with
6796         #if S390_USE_TARGET_ATTRIBUTE.
6797         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6798
6799         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6800         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6801         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6802         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6803         HOST_WIDE_INT_1U instead of 1ULL.
6804         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6805         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6806         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6807         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6808         instead of 1UL.
6809         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6810         instead of 1ul.
6811
6812 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6813
6814         PR tree-optimization/89209
6815         * tree-sra.c (create_access_replacement): New optional parameter
6816         reg_tree.  Use it as a type if non-NULL and access type is not of
6817         a register type.
6818         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6819         to create_access_replacement.
6820         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6821         Check lacc is non-NULL before attempting to re-create it on the RHS.
6822
6823 2019-02-18  Martin Liska  <mliska@suse.cz>
6824
6825         PR ipa/89306
6826         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6827         by default.
6828         (symbol_table::free_edge): Recycle m_summary_id.
6829         * cgraph.h (get_summary_id): New.
6830         (symbol_table::release_symbol): Set m_summary_id to -1
6831         by default.
6832         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6833         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6834         function_summary to fast_function_summary.
6835         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6836         * ipa-pure-const.c (class funct_state_summary_t):
6837         Switch from function_summary to fast_function_summary.
6838         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6839         (class ipa_ref_opt_summary_t): Switch from function_summary
6840         to fast_function_summary.
6841         * symbol-summary.h (class function_summary_base): New class
6842         that is created from base of former function_summary.
6843         (function_summary_base::unregister_hooks): New.
6844         (class function_summary): Inherit from function_summary_base.
6845         (class call_summary_base): New class
6846         that is created from base of former call_summary.
6847         (class call_summary): Inherit from call_summary_base.
6848         (struct is_same): New.
6849         (class fast_function_summary): New summary class.
6850         (class fast_call_summary): New summary class.
6851         * vec.h (vec_safe_grow_cleared): New function.
6852
6853 2019-02-18  Martin Liska  <mliska@suse.cz>
6854
6855         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6856         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6857         * doc/tm.texi: Document new target hook.
6858         * doc/tm.texi.in: Likewise.
6859         * target.def: Add new target macro.
6860         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6861         suffixes.
6862
6863 2019-02-17  Alan Modra  <amodra@gmail.com>
6864
6865         PR target/89271
6866         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6867         output reg on add insn.
6868         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6869
6870 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6871
6872         PR target/89372
6873         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6874         (PMULHRSW): Likewise.
6875         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6876         TARGET_AVX2.
6877         (ssse3_pmulhrswv4hi3): New expander.
6878
6879 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6880
6881         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6882         MMX.  Add isa attribute.
6883
6884 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6885
6886         PR rtl-optimization/66152
6887         * builtins.h (c_readstr): Declare.
6888         * builtins.c (c_readstr): Remove forward declaration.  Add
6889         null_terminated_p argument, if false, read all bytes from the
6890         string instead of stopping after '\0'.
6891         * expr.c (string_cst_read_str): New function.
6892         (store_expr): Use string_cst_read_str instead of
6893         builtin_strncpy_read_str.  Try to store by pieces the whole
6894         exp_len first, and only if that fails, split it up into
6895         store by pieces followed by clear_storage.  Formatting fix.
6896
6897         * config/i386/i386.md (*movqi_internal): Remove static from
6898         buf variable.  Use output_asm_insn (buf, operands); return "";
6899         instead of return buf;.
6900         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6901         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6902         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6903
6904 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6905
6906         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6907         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6908         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6909         (CC1_SPEC): Likewise.
6910         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6911
6912 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6913
6914         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6915         the base address on 64-bit strict-alignment platforms.
6916
6917 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6918
6919         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6920
6921 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6922
6923         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6924
6925 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6926
6927         PR rtl-optimization/88308
6928         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6929         on copied instruction.
6930
6931 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6932
6933         * final.c (insn_current_reference_address): Replace test on JUMP_P
6934         with test on jump_to_label_p.
6935         * config/visium/visium-passes.def: New file.
6936         * config/visium/t-visium (PASSES_EXTRA): Define.
6937         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6938         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6939         (TRAMPOLINE_ALIGNMENT): Define.
6940         * config/visium/visium.c (visium_option_override): Do not register
6941         the machine-specific reorg pass here.
6942         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6943         for the GR6.
6944         (output_branch): Adjust threshold for long branch instruction.
6945         * config/visium/visium.md (cpu): Move around.
6946         (length): Adjust for the GR6.
6947
6948 2019-02-15  Richard Biener  <rguenther@suse.de>
6949             Jakub Jelinek  <jakub@redhat.com>
6950
6951         PR tree-optimization/89278
6952         * tree-loop-distribution.c: Include tree-eh.h.
6953         (generate_memset_builtin, generate_memcpy_builtin): Call
6954         rewrite_to_non_trapping_overflow on builtin->size before passing it
6955         to force_gimple_operand_gsi.
6956
6957 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6958
6959         PR other/89342
6960         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6961         optimize_debug.
6962         * opth-gen.awk: Likewise.
6963
6964 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6965
6966         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6967         Enable MMX, SSE and SSE2 by default.
6968         * config/i386/i386.c (ix86_option_override_internal): Do not
6969         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6970
6971 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6972
6973         PR rtl-optimization/89354
6974         * combine.c (make_extraction): Punt if extraction_mode is narrower
6975         than len bits.
6976
6977 2019-02-14  Maya Rashish  <coypu@sdf.org>
6978
6979         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6980         * config/netbsd-d.c: New file.
6981         * config/t-netbsd: Add netbsd-d.o
6982
6983 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6984
6985         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6986         affects_type_identity to true for aarch64_vector_pcs.
6987         (aarch64_comp_type_attributes): New function.
6988         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6989
6990 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6991
6992         PR target/88850
6993         * config/arm/iterators.md (ANY64): Add V4HF.
6994
6995 2019-02-14  Martin Liska  <mliska@suse.cz>
6996
6997         PR rtl-optimization/89242
6998         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6999         process a transformation.
7000
7001 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
7002
7003         PR tree-optimization/89314
7004         * fold-const.c (fold_binary_loc): Cast strlen argument to
7005         const char * before dereferencing it.  Formatting fixes.
7006
7007         PR middle-end/89284
7008         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
7009
7010 2019-02-13  Ian Lance Taylor  <iant@golang.org>
7011
7012         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
7013         and set current index for other optimizations.
7014
7015 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
7016
7017         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
7018         nonimmediate_operand as operand 2 predicate.
7019         (vec_set<VF2_512_256:mode>_0): Ditto.
7020         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
7021         (*vec_concatv2si): Remove alternative 2.
7022         (*vec_concatv4si_0): Use vm constraint for alternative 0.
7023         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
7024         (vec_concatv2di): Split alternatives 4,5,6 to ...
7025         (*vec_concatv2di_0) ... new pattern.
7026
7027 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
7028
7029         PR target/89190
7030         * config/arm/arm.c (ldm_stm_operation_p) Set
7031         addr_reg_in_reglist correctly for first register.
7032         (load_multiple_sequence): Remove dead base check.
7033         (gen_ldm_seq): Correctly set write_back for Thumb-1.
7034
7035 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
7036
7037         PR target/88847
7038         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
7039         Expose as @aarch64_pred_mov.
7040         * config/aarch64/aarch64.c (aarch64_classify_address):
7041         Use expand_insn which legitimizes operands.
7042
7043 2019-02-13  Martin Liska  <mliska@suse.cz>
7044
7045         * builtins.h (expand_builtin_with_bounds): Remove declaration.
7046         * calls.c (struct arg_data): Remove special_slot, pointer_arg
7047         and pointer_offset fields.
7048         (initialize_argument_information): Remove usage of dead
7049         fields.
7050         * cgraph.h (struct cgraph_thunk_info): Remove
7051         add_pointer_bounds_args.
7052         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
7053         fields.
7054         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
7055         fields.
7056         * config/i386/i386.c (ix86_function_arg_advance): Remove
7057         unrelated comment.
7058         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
7059         (def_builtin):  Remove usage of dead
7060         fields.
7061         (ix86_add_new_builtins): Likewise.
7062         * ipa-fnsummary.c (compute_fn_summary): Likewise.
7063         * ipa-icf.c (sem_function::equals_wpa): Likewise.
7064         (sem_function::init): Likewise.
7065         (sem_variable::merge): Likewise.
7066         * ipa-visibility.c (function_and_variable_visibility): Likewise.
7067         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
7068         * lto-cgraph.c (lto_output_node): Likewise.
7069         (lto_output_varpool_node): Likewise.
7070         (input_node): Likewise.
7071         (input_varpool_node): Likewise.
7072         * lto-streamer-out.c (lto_output): Likewise.
7073         * tree-inline.c (expand_call_inline): Remove usage of
7074         assign_stmts.
7075         * tree-inline.h (struct copy_body_data): Likewise.
7076         * varpool.c (varpool_node::dump): Likewise.
7077
7078 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
7079
7080         PR middle-end/89303
7081         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
7082         into pt->vars_contains_escaped_heap instead of setting
7083         pt->vars_contains_escaped_heap to it.
7084
7085         PR middle-end/89281
7086         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
7087         INTVAL (size), compare it to GET_MODE_MASK instead of
7088         1 << GET_MODE_BITSIZE.
7089
7090         PR target/89290
7091         * config/i386/predicates.md (x86_64_immediate_operand): Allow
7092         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
7093         -mcmodel=large.
7094
7095 2019-02-13  Martin Liska  <mliska@suse.cz>
7096
7097         PR lto/88858
7098         * cfgrtl.c (remove_barriers_from_footer): New function.
7099         (try_redirect_by_replacing_jump): Use it.
7100         (cfg_layout_redirect_edge_and_branch): Likewise.
7101
7102 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7103
7104         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
7105         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
7106         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
7107         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
7108         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
7109         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
7110         New BU_CRYPTO_2.
7111         * config/rs6000/rs6000.c (builtin_function_type)
7112         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
7113         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
7114         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
7115         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
7116         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
7117
7118 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
7119
7120         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
7121         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
7122
7123 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7124
7125         PR target/89229
7126         * config/i386/i386.md (*movoi_internal_avx): Revert revision
7127         268678 and revision 268657.
7128         (*movti_internal): Likewise.
7129
7130 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
7131
7132         PR target/89233
7133         * config/s390/s390.c (s390_decompose_address): Update comment.
7134         (s390_check_qrst_address): Reject invalid address forms after
7135         LRA.
7136
7137 2019-02-12  Martin Liska  <mliska@suse.cz>
7138
7139         PR lto/88876
7140         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
7141         we need default values of funct_state for a function that
7142         is not optimized.
7143
7144 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7145
7146         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
7147         the object to pick the size of stores on strict-alignment platforms.
7148
7149         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
7150         (*movdi_insn_sp32): Likewise.
7151         (*movdi_insn_sp64): Likewise.
7152
7153 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
7154
7155         PR lto/88677
7156         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
7157         types that needs constructiong.
7158         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
7159
7160 2019-02-12  Richard Biener  <rguenther@suse.de>
7161
7162         PR tree-optimization/89253
7163         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
7164         duplicate the loop.
7165
7166 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
7167
7168         PR lto/88147
7169         * input.c (selftest::test_line_offset_overflow): New selftest.
7170         (selftest::input_c_tests): Call it.
7171
7172 2019-02-11  Martin Sebor  <msebor@redhat.com>
7173
7174         PR tree-optimization/88771
7175         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
7176         when -Wstringop-overflow is set.
7177         (builtin_memref::builtin_memref): Adjust excessive upper bound
7178         only when lower bound is not excessive.
7179         (maybe_diag_overlap): Detect and diagnose excessive bounds via
7180         -Wstringop-ovefflow.
7181         (maybe_diag_offset_bounds): Rename...
7182         (maybe_diag_access_bounds): ...to this.
7183         (check_bounds_or_overlap): Adjust for name change above.
7184
7185 2019-02-11  Martin Sebor  <msebor@redhat.com>
7186
7187         PR c++/87996
7188         * builtins.c (max_object_size): Move from here...
7189         * builtins.h (max_object_size): ...and here...
7190         * tree.c (max_object_size): ...to here...
7191         * tree.h (max_object_size): ...and here.
7192
7193 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
7194
7195         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
7196         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
7197         for correct semantics.
7198
7199 2019-02-11  Alan Modra  <amodra@gmail.com>
7200
7201         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
7202         -mlongcall and -mpltseq.
7203         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
7204         (RS/6000 and PowerPC Options <-mpltseq>): Document.
7205         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
7206         * config/rs6000/sysv4.opt (mpltseq): New option.
7207         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
7208         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
7209         support is lacking.  Don't allow -mpltseq with -mbss-plt.
7210         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
7211         -mpltseq given for ELFv1.
7212         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
7213         Only use UNSPEC_PLTSEQ for inline PLT calls.
7214         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
7215         use UNSPEC_PLTSEQ for inline PLT calls.
7216         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
7217         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
7218         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
7219         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7220         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7221         (pltseq_mtctr_<mode>): Likewise.
7222
7223 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7224
7225         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
7226         Solaris ld.
7227         * configure: Regenerate.
7228
7229 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
7230
7231         PR bootstrap/88714
7232         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
7233         instead of r.
7234
7235 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7236
7237         * function.c (assign_parm_setup_block): Use the stored
7238         size, not the passed size, when allocating stack-space,
7239         also for a parameter with alignment larger than
7240         MAX_SUPPORTED_STACK_ALIGNMENT.
7241
7242 2019-02-11  Martin Liska  <mliska@suse.cz>
7243
7244         PR ipa/89009
7245         * ipa-cp.c (build_toporder_info): Remove usage of a param.
7246         * ipa-inline.c (inline_small_functions): Likewise.
7247         * ipa-pure-const.c (propagate_pure_const): Likewise.
7248         (propagate_nothrow): Likewise.
7249         * ipa-reference.c (propagate): Likewise.
7250         * ipa-utils.c (struct searchc_env): Remove unused field.
7251         (searchc): Always search across AVAIL_INTERPOSABLE.
7252         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
7253         the only called IPA pure const can properly not propagate
7254         across interposable boundary.
7255         * ipa-utils.h (ipa_reduced_postorder): Remove param.
7256
7257 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
7258
7259         * config/nds32/nds32.md (call_internal, call_value_internal,
7260         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
7261
7262 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
7263
7264         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
7265         typo.
7266
7267 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7268
7269         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
7270         in comments
7271
7272 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7273
7274         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
7275
7276 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
7277
7278         PR tree-optimization/89268
7279         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
7280         if preds is non-NULL.
7281
7282 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7283
7284         PR lto/89272
7285         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
7286         polymorphic types.
7287
7288 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7289
7290         * config/nds32/nds32.md (trap): New pattern.
7291
7292 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
7293
7294         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
7295         dwarf span.
7296
7297 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
7298
7299         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
7300         to split POST_INC.
7301
7302 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7303
7304         * ipa-visibility.c (localize_node): Also do not localize
7305         LDPR_PREVAILING_DEF_IRONLY_EXP.
7306
7307 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7308
7309         PR lto/87957
7310         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
7311         instead of type_with_linkage.
7312
7313 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
7314
7315         PR ipa/88755
7316         * params.def (uninlined-function-insns, uninlined-function-time,
7317         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
7318         bound so we don't get overflows.
7319
7320 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
7321
7322         * config/rs6000/rs6000-string.c (expand_compare_loop,
7323         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7324         memcmp/strncmp.
7325
7326 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7327
7328         PR middle-end/89246
7329         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7330         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7331         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7332
7333 2019-02-09  Alan Modra  <amodra@gmail.com>
7334
7335         PR target/88343
7336         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7337         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7338         setup.
7339
7340 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7341
7342         PR middle-end/88560
7343         * lra-constraints.c (process_alt_operands): Don't increase reject
7344         for memory when offset memory is required.
7345
7346 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7347
7348         * config/s390/vector.md: Implement vector copysign.
7349
7350 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7351
7352         * expr.c (expand_constructor): Correct indentations.
7353
7354 2019-02-08  Richard Biener  <rguenther@suse.de>
7355
7356         PR tree-optimization/89247
7357         * tree-if-conv.c: Include tree-cfgcleanup.h.
7358         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7359         (tree_if_conversion): Pass through predicate vector.
7360         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7361         inline, see if any if-converted loops we refrece in
7362         LOOP_VECTORIZED calls vanished and fixup.
7363         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7364
7365 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7366
7367         * config/s390/constraints.md (jdd): New constraint.
7368
7369 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7370
7371         PR target/89229
7372         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7373         upper 16 vector registers without TARGET_AVX512VL.
7374         (*movti_internal): Likewise.
7375
7376 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7377
7378         PR rtl-optimization/89234
7379         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7380         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7381         (copy_reg_eh_region_note_backward): Likewise.
7382
7383 2019-02-08  Richard Biener  <rguenther@suse.de>
7384
7385         PR middle-end/89223
7386         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7387         doesn't fit in HWI.
7388         (analyze_subscript_affine_affine): Handle failure from
7389         initialize_matrix_A.
7390
7391 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7392
7393         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7394         cfun everywhere.
7395
7396 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7397
7398         PR tree-optimization/86637
7399         PR tree-optimization/89235
7400         * tree-vect-loop.c (optimize_mask_stores): Add an
7401         auto_purge_vect_location sentinel to ensure that vect_location is
7402         purged on exit.
7403         * tree-vectorizer.c
7404         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7405         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7406         to ensure that vect_location is purged on exit.
7407         (pass_slp_vectorize::execute): Likewise, replacing the manual
7408         reset.
7409         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7410
7411 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7412
7413         * config/aarch64/iterators.md (max_opp): New code_attr.
7414         (USMAX): New code iterator.
7415         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7416         (aarch64_smax): Likewise.
7417         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7418         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7419         MINUS (MAX MIN).
7420
7421 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7422
7423         PR target/89229
7424         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7425         for TARGET_AVX512VL.
7426         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7427
7428 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7429
7430         * config/s390/s390-builtin-types.def: Add new types.
7431         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7432         (s390_vec_xlw4): Make the memory operand into a const pointer.
7433         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7434         float.
7435         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7436         a new vector type with the alignment of the scalar memory operand.
7437
7438 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7439             Jakub Jelinek  <jakub@redhat.com>
7440
7441         PR bootstrap/88714
7442         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7443         arm_count_ldrdstrd_insns): New declarations.
7444         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7445         MINUS.
7446         (valid_operands_ldrd_strd): New function.
7447         (arm_count_ldrdstrd_insns): New function.
7448         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7449         sets instead of single DImode set and define new insns to match this.
7450
7451 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7452
7453         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7454         Make it a C initializer.
7455
7456 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7457
7458         PR/target 88850
7459         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7460
7461 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7462
7463         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7464         Use neon_dot<q> for type.
7465         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7466
7467 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7468
7469         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7470         Use neon_dot<q> for type.
7471         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7472         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7473
7474 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7475
7476         PR rtl-optimization/89225
7477         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7478         sizes check.
7479
7480 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7481
7482         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7483         after restoring registers saved to allocate the frame on Windows.
7484
7485 2019-02-06  Richard Biener  <rguenther@suse.de>
7486
7487         PR tree-optimization/89182
7488         * graphite.h (cached_scalar_evolution_in_region): Declare.
7489         * graphite.c (struct seir_cache_key): New.
7490         (struct sese_scev_hash): Likewise.
7491         (seir_cache): New global.
7492         (cached_scalar_evolution_in_region): New function.
7493         (graphite_transform_loops): Allocate and release seir_cache.
7494         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7495         cached_scalar_evolution_in_region.
7496         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7497         Simplify.
7498         (scop_detection::graphite_can_represent_expr: Use
7499         cached_scalar_evolution_in_region.
7500         (scop_detection::stmt_simple_for_scop_p): Likewise.
7501         (find_params_in_bb): Likewise.
7502         (gather_bbs::before_dom_children): Likewise.
7503         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7504         (add_loop_constraints): Likewise.
7505
7506 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7507
7508         PR middle-end/89210
7509         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7510         operand to new_unary_operation only if both element types are integral
7511         and it isn't a widening conversion.  Return NULL_TREE if
7512         new_unary_operation failed.
7513
7514 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7515
7516         PR target/88856
7517         * config/s390/s390.md: Remove load and test FP splitter.
7518
7519 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7520
7521         PR target/89112
7522         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7523         expand_compare_loop, expand_block_compare_gpr,
7524         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7525         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7526         #include "profile-count.h" and "predict.h" for types and functions
7527         needed to work with REG_BR_PROB notes.
7528
7529 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7530
7531         PR target/89112
7532         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7533         for the long branch case.
7534
7535 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7536
7537         PR target/89188
7538         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7539         can throw, non-call exceptions are enabled and we can't delete
7540         dead exceptions or alter cfg.  Set must_clean if
7541         delete_insn_and_edges returns true, don't set it blindly for calls.
7542         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7543
7544         PR rtl-optimization/89195
7545         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7546         of the original MEM.
7547
7548 2019-02-05  Martin Liska  <mliska@suse.cz>
7549
7550         PR gcov-profile/89000
7551         * gcov.c (function_summary): Remove argument.
7552         (file_summary): New function.
7553         (print_usage): Replace tabs with spaces.
7554         (generate_results): Use new function file_summary.
7555
7556 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7557
7558         PR target/89186
7559         * optabs.c (prepare_cmp_insn): Pass x and y to
7560         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7561
7562 2019-02-05  Richard Biener  <rguenther@suse.de>
7563
7564         PR middle-end/89150
7565         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7566         (struct bitmap_element): Drop chain_prev so we properly recurse on
7567         the prev member, supporting tree views.
7568         (struct bitmap_head): GTY skip the obstack member.
7569
7570 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7571
7572         PR c/88698
7573         * doc/extend.texi (Vector Extensions): Add an example of using vector
7574         types together with x86 intrinsics.
7575
7576 2019-02-04  Alan Modra  <amodra@gmail.com>
7577
7578         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7579         str[] size to 160, and comment.
7580
7581 2019-02-04  Alan Modra  <amodra@gmail.com>
7582
7583         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7584         (rs6000_pltseq_template): Guard output of TLS markers with
7585         TARGET_TLS_MARKERS.
7586         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7587         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7588         to use inline PLT sequences.
7589         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7590         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7591         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7592
7593 2019-02-04  Martin Liska  <mliska@suse.cz>
7594
7595         PR ipa/88985
7596         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7597         out when ipa_fn_summaries does not contain entry for callee.
7598
7599 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7600
7601         * config/sparc/sparc.h: Remove superfluous blank lines.
7602         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7603         (got_register_rtx): ...this.
7604         (sparc_got): Adjust to above renaming.
7605         (sparc_tls_got): Likewise.
7606         (sparc_delegitimize_address): Likewise.
7607         (sparc_output_mi_thunk): Likewise.
7608         (sparc_init_pic_reg): Likewise.
7609         (save_local_or_in_reg_p): Fix test on the GOT register.
7610         (USE_HIDDEN_LINKONCE): Move around.
7611         (get_pc_thunk_name): Likewise.
7612         (gen_load_pcrel_sym): Likewise.
7613         (load_got_register): Likewise.
7614
7615 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7616
7617         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7618         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7619
7620 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7621
7622         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7623         into consideration.
7624
7625 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7626
7627         * config.gcc (with_nds32_lib, glibc):
7628         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7629         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7630         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7631
7632 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7633
7634         PR target/89071
7635         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7636         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7637         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7638         (*rcpsf2_sse): Ditto.
7639         (*rsqrtsf2_sse): Ditto.
7640         (sse4_1_round<mode<2): Ditto.
7641
7642 2019-02-03  Richard Biener  <rguenther@suse.de>
7643
7644         PR debug/87295
7645         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7646         orig.
7647
7648 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7649
7650         PR middle-end/87887
7651         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7652         Punt with warning on aggregate return or argument types.  Ignore
7653         type/mode checking for uniform arguments.
7654
7655 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7656
7657         * combine.c (try_combine): Do not print "Can't combine" messages unless
7658         printing failed combination attempts.
7659
7660 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7661
7662         PR hsa/87863
7663         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7664         segment and global segment variables before making them static.
7665
7666 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7667
7668         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7669         missed optimization dump with dump_enabled_p.
7670
7671 2019-02-01  Richard Biener  <rguenther@suse.de>
7672
7673         PR middle-end/88597
7674         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7675         the instantiate cache.
7676         (instantiate_scev_binary): Elide second operand procesing
7677         if equal to the first.
7678         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7679         (chrec_contains_undetermined): Likewise.
7680         (tree_contains_chrecs): Likewise.
7681
7682 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7683
7684         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7685
7686 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7687
7688         PR tree-optimization/89143
7689         * wide-int-range.h (wide_int_range_absu): Declare.
7690         * wide-int-range.cc (wide_int_range_absu): New function.
7691         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7692
7693         PR tree-optimization/88107
7694         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7695         instead of assertion that eh_region_outermost is non-NULL, if it
7696         is NULL, set *ALL to true and return NULL.
7697         (move_sese_region_to_fn): Adjust caller, if all is set, call
7698         duplicate_eh_regions with NULL region.
7699
7700 2019-02-01  Richard Biener  <rguenth@suse.de>
7701
7702         PR rtl-optimization/88593
7703         * mode-switching.c (optimize_mode_switching): Free dominators before
7704         calling cleanup_cfg.
7705
7706 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7707
7708         PR tree-optimization/88932
7709         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7710
7711 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7712
7713         PR middle-end/89137
7714         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7715         bogus clang warning.
7716
7717 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7718
7719         PR target/89071
7720         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7721         alternative to avoid partial SSE register stall for TARGET_AVX.
7722         (truncdfsf2): Ditto.
7723         (sse4_1_round<mode>2): Ditto.
7724
7725 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7726
7727         PR tree-optimization/89008
7728         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7729         process anything of the form X * 0.
7730
7731 2019-01-31  Richard Biener  <rguenther@suse.de>
7732
7733         PR tree-optimization/89135
7734         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7735         with abnormal preds.
7736
7737 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7738
7739         PR sanitizer/89124
7740         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7741         always_inline callees into no_sanitize_address callers.
7742
7743 2019-01-31  Richard Biener  <rguenther@suse.de>
7744
7745         PR rtl-optimization/89115
7746         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7747
7748 2019-01-30  Martin Sebor  <msebor@redhat.com>
7749
7750         PR other/89106
7751         * doc/extend.texi (cast to a union): Correct and expand.
7752
7753 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7754
7755         PR rtl-optimization/87246
7756         * lra-constraints.c (simplify_operand_subreg): Reload memory
7757         in subreg if the address became invalid.
7758
7759 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7760
7761         PR target/87064
7762         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7763         Disable for little-endian.
7764
7765 2019-01-30  Richard Biener  <rguenther@suse.de>
7766
7767         PR rtl-optimization/89115
7768         * opts.c (default_options_optimization): Reduce
7769         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7770         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7771         to the default.
7772
7773 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7774
7775         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7776         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7777         type of vector element when vec_extract is implemented by direct
7778         move.
7779
7780 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7781
7782         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7783
7784 2019-01-30  Richard Biener  <rguenther@suse.de>
7785
7786         PR tree-optimization/89111
7787         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7788         canonicalization to appropriately sized access types.
7789
7790 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7791
7792         PR c++/89105
7793         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7794         for arguments to functions that are TU-local and shouldn't be
7795         referenced by assembly.
7796
7797 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7798
7799         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7800         after '='.
7801
7802 2019-01-29  Martin Sebor  <msebor@redhat.com>
7803
7804         PR c/88956
7805         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7806
7807 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7808
7809         PR c++/66676
7810         PR ipa/89104
7811         * omp-simd-clone.c (simd_clone_clauses_extract)
7812         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7813         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7814
7815 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7816
7817         * config.gcc: Force .init_array for ARC.
7818
7819 2019-01-29  Richard Biener  <rguenther@suse.de>
7820
7821         PR debug/87295
7822         * dwarf2out.c (collect_skeleton_dies): New helper.
7823         (copy_decls_for_unworthy_types): Call it.
7824         (build_abbrev_table): Assert we do not try to replace
7825         DW_AT_signature refs with local refs.
7826
7827 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7828
7829         PR middle-end/89002
7830         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7831         for lastprivate/linear IV, push gimplify context around gimplify_assign
7832         and, if it needed any temporaries, pop it into a gimple bind around the
7833         sequence.
7834
7835 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7836
7837         * common.opt (-Wattribute-alias): Remove "no-" from name.
7838         Make -Wattribute-alias command line option and
7839         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7840
7841 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7842
7843         PR target/89073
7844         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7845         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7846         x86 ISA options.
7847         (bmi2): Add missing @opindex.
7848         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7849         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7850         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7851         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7852         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7853         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7854         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7855         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7856         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7857         xsavec, xsaveopt and xsaves options.
7858
7859 2019-01-28  Richard Biener  <rguenther@suse.de>
7860
7861         PR debug/89076
7862         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7863         support removal.
7864
7865 2019-01-28  Richard Biener  <rguenther@suse.de>
7866
7867         PR tree-optimization/88739
7868         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7869         BIT_FIELD_REFs only are applied to mode-precision operands
7870         when they are integral.
7871         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7872         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7873         BIT_FIELD_REFs of non-mode-precision integral operands.
7874
7875 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7876
7877         PR target/87214
7878         * config/i386/sse.md
7879         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7880         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7881         first constants in pairs are multiples of 2.  Formatting fixes.
7882         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7883         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7884         first constants in each quadruple are multiples of 4.  Formatting fixes.
7885
7886 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7887
7888         PR ipa/88933
7889         * tree-inline.c: Include tree-cfgcleanup.h.
7890         (delete_unreachable_blocks_update_callgraph): Move...
7891         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7892         ...here, make externally visible, make second argument bool, adjust
7893         all callers.
7894         * tree-cfgcleanup.c: Include cgraph.h.
7895         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7896         Declare.
7897         * ipa-prop.c: Include tree-cfgcleanup.h.
7898         (ipcp_transform_function): Call
7899         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7900
7901 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7902
7903         PR rtl-optimization/88846
7904         * ira.c (process_set_for_memref_referenced_p): New.
7905         (memref_referenced_p): Add new param.  Use
7906         process_set_for_memref_referenced_p.  Add new switch cases.
7907         (memref_used_between_p): Pass new arg to memref_referenced_p.
7908
7909 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7910
7911         PR target/88469
7912         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7913         argument ABI_BREAK.  Set to true if the calculated alignment has
7914         changed in gcc-9.  Check bit-fields for their base type alignment.
7915         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7916         (aarch64_function_arg_boundary): Likewise.
7917         (aarch64_gimplify_va_arg_expr): Likewise.
7918
7919 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7920
7921         PR middle-end/89037
7922         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7923         instead of accessing TREE_INT_CST_ELT directly.
7924
7925 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7926
7927         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7928         fenv_exceptions description.
7929
7930 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7931
7932         PR rtl-optimization/87763
7933         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7934         Allow SUBREG when matching CC_NZmode compare.
7935
7936 2019-01-25  Richard Biener  <rguenther@suse.de>
7937
7938         PR tree-optimization/89049
7939         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7940         Look at the pattern stmt to determine if the stmt is vectorized.
7941
7942 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7943
7944         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7945         (pred_mov<mode>): Handle all-register forms using both a new
7946         alternative and a split.
7947
7948 2019-01-25  Richard Biener  <rguenther@suse.de>
7949
7950         PR tree-optimization/86865
7951         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7952         Reject non-do-while loops.
7953
7954 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7955
7956         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7957         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7958         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7959         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7960         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7961         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7962         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7963         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7964         vlogical_operand, gpc_reg_operand, int_reg_operand,
7965         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7966         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7967         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7968         (save_world_operation, restore_world_operation, lmw_operation,
7969         stmw_operation): Use MEM_P and REG_P.
7970         (tie_operand): Use MEM_P.
7971         (vrsave_operation, crsave_operation): Use REG_P.
7972         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7973         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7974         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7975         (call_operand): Use HARD_REGISTER_P.
7976         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7977         Use CONST_INT_P.
7978         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7979         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7980         quad_aligned_load_p, replace_swapped_aligned_store,
7981         recombine_lvx_pattern, replace_swapped_aligned_load,
7982         recombine_stvx_pattern): Use MEM_P.
7983         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7984         Use MEM_P and SYMBOL_REF_P.
7985         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7986         (insn_is_swappable_p): Use REG_P and MEM_P.
7987         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7988         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7989         Use CONST_INT_P.
7990         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7991         Use CONST_DOUBLE_P.
7992         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7993         CONST_WIDE_INT_P.
7994         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7995         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7996         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7997         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7998         reg_or_subregno:
7999         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8000         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
8001         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
8002         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
8003         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
8004         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
8005         rs6000_split_logical_di): Use CONST_INT_P.
8006         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
8007         REG_P and SYMBOL_REF_P.
8008         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
8009         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
8010         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
8011         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
8012         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
8013         (small_data_operand, print_operand_address): Use CONST_INT_P and
8014         SYMBOL_REF_P.
8015         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
8016         (rs6000_init_hard_regno_mode_ok, direct_move_p):
8017         Use HARD_REGISTER_NUM_P.
8018         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
8019         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
8020         SUBREG_P and SYMBOL_REF_P.
8021         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
8022         and HARD_REGISTER_NUM_P.
8023         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
8024         reg_or_subregno.
8025         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
8026         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
8027         MEM_P and REG_P.
8028         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
8029         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
8030         find_addr_reg): Use REG_P.
8031         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
8032         (rs6000_emit_le_vsx_move): Use SUBREG_P.
8033         (offsettable_ok_by_alignment, constant_pool_expr_p,
8034         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
8035         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
8036         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
8037         rs6000_assemble_integer, create_TOC_reference,
8038         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
8039         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
8040         (rs6000_split_vec_extract_var): Use reg_or_subregno.
8041         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
8042         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
8043         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8044         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
8045         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
8046         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
8047         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
8048         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
8049         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
8050         and cbranch<mode>4): Use CONST_INT_P.
8051         (multiple define_splits): Use REG_P and SUBREG_P.
8052         (define_expands call, call_value): Use MEM_P.
8053         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
8054         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
8055         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
8056         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
8057         and HARD_REGISTER_NUM_P.
8058         (multiple define_splits): Use HARD_REGISTER_NUM_P.
8059
8060 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
8061
8062         PR rtl-optimization/88948
8063         * rtl.h (prepare_copy_insn): New prototype.
8064         * gcse.c (prepare_copy_insn): New function, split out from
8065         process_insert_insn.
8066         (process_insert_insn): Use prepare_copy_insn.
8067         * store-motion.c (replace_store_insn): Use prepare_copy_insn
8068         instead of gen_move_insn.
8069
8070 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
8071
8072         PR debug/89006
8073         * config/i386/i386.c (ix86_pic_register_p): Return true for
8074         UNSPEC_SET_GOT too.
8075
8076         PR tree-optimization/88964
8077         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
8078         punt if HONOR_SNANS (chrec).
8079
8080         PR middle-end/89015
8081         * tree-nested.c (convert_nonlocal_reference_stmt,
8082         convert_local_reference_stmt, convert_tramp_reference_stmt,
8083         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
8084         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
8085         or GIMPLE_OMP_TASK.
8086
8087         PR tree-optimization/89027
8088         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
8089         for "omp simd array" variables.
8090
8091 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
8092
8093         PR target/88469
8094         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
8095         force the alignment of m_val.
8096
8097 2019-01-24  Richard Biener  <rguenther@suse.de>
8098
8099         PR lto/87187
8100         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
8101         When in "legacy" debug mode make sure to reset self-origins.
8102
8103 2019-01-24  Martin Liska  <mliska@suse.cz>
8104
8105         PR gcov-profile/88994
8106         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
8107         result will be always smaller or equal to the original.
8108         * gcov.c (mangle_name): Fix else branch where we should
8109         also copy to PTR and shift the pointer.
8110
8111 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8112
8113         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
8114         * vr-values.c (find_case_label_ranges): Fix a comment typo.
8115
8116 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
8117
8118         * common/config/i386/i386-common.c
8119         (OPTION_MASK_ISA_ENQCMD_SET,
8120         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
8121         (ix86_handle_option): Handle -menqcmd.
8122         * config.gcc (enqcmdintrin.h): New header file.
8123         * config/i386/cpuid.h (bit_ENQCMD): New bit.
8124         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
8125         -menqcmd.
8126         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
8127         function type.
8128         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
8129         __builtin_ia32_enqcmds): New builtins.
8130         * config/i386/i386-c.c (__ENQCMD__): New macro.
8131         * config/i386/i386-option.c (ix86_target_string): Add
8132         -menqcmd.
8133         (ix86_valid_target_attribute_inner_p): Likewise.
8134         * config/i386/i386-expand.c
8135         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
8136         IX86_BUILTIN_ENQCMDS.
8137         * config/i386/i386.h (TARGET_ENQCMD): New.
8138         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
8139         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
8140         (movdir64b_<mode>): Parameterize to enable share expansion code
8141         with ENQCMD in function ix86_expand_builtin.
8142         * config/i386/i386.opt: Add -menqcmd.
8143         * config/i386/immintrin.h: Include enqcmdintrin.h.
8144         * config/i386/enqcmdintrin.h: New intrinsic file.
8145         * doc/invoke.texi: Add -menqcmd.
8146
8147 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
8148             Steve Ellcey <sellcey@marvell.com>
8149
8150         PR target/85711
8151         * recog.c (address_operand): Return false on wrong mode for address.
8152         (constrain_operands): Check for mode with 'p' constraint.
8153
8154 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
8155
8156         PR target/88998
8157         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
8158         Disparage MMX alternative.
8159         (sse2_cvtpd2pi): Ditto.
8160         (sse2_cvttpd2pi): Ditto.
8161
8162 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
8163
8164         PR driver/89014
8165         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
8166         use-after-free of the result of
8167         aarch64_get_extension_string_for_isa_flags.
8168
8169 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8170
8171         PR c/44715
8172         * doc/extend.texi: Document break and continue behavior in
8173         statement expressions.
8174
8175 2019-01-23  Richard Biener  <rguenther@suse.de>
8176
8177         PR tree-optimization/89008
8178         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
8179         not leave another stray operand.
8180
8181 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8182
8183         * BASE-VER: Bump to 9.0.1.
8184
8185 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
8186
8187         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
8188         thunk that returns by reference, use the type of the return object
8189         of the thunk instead of that of the alias to build the dereference.
8190
8191 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
8192
8193         * config/arc/atomic.md: Add operand to DMB instruction.
8194
8195 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
8196
8197         PR tree-optimization/88964
8198         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
8199         build_zero_cst instead of build_int_cst.  Return false for loop
8200         invariants which honor signed zeros.
8201
8202 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
8203
8204         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
8205
8206 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8207
8208         PR target/88965
8209         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
8210         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
8211         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
8212
8213         PR middle-end/88968
8214         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
8215         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
8216
8217         PR target/87064
8218         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
8219         Disable for little endian.
8220
8221 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8222
8223         PR target/88469
8224         * config/arm/arm.c (arm_needs_double_word_align): Check
8225         DECL_BIT_FIELD_TYPE.
8226
8227 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
8228             H.J. Lu  <hongjiu.lu@intel.com>
8229
8230         PR target/88909
8231         * config/i386/i386-builtin.def: Add mask2 to all builtin
8232         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
8233         SPECIAL_ARGS.
8234         * config/i386/i386.c (BDESC): Add mask2 to the definition.
8235         (BDESC_FIRST): Likewise.
8236         (define_builtin): Add an argument for mask2.  Updated to handle
8237         both ix86_isa_flags and ix86_isa_flags2.
8238         (define_builtin_const): Likewise.
8239         (define_builtin_pure): Likewise.
8240         (define_builtin2): Deleted.
8241         (define_builtin_const2): Likewise.
8242         (builtin_description): Add a member, mask2.
8243         (bdesc_*): Add mask2 to builtin initializations.
8244         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
8245         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
8246         support.
8247         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
8248
8249 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8250
8251         PR target/88954
8252         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
8253         noplt attribute.
8254
8255 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
8256
8257         PR target/88469
8258         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
8259         alignment is dominated by a bitfield with 64-bit aligned base type.
8260         (arm_function_arg): Emit a warning if the alignment has changed since
8261         earlier GCC releases.
8262         (arm_function_arg_boundary): Likewise.
8263         (arm_setup_incoming_varargs): Likewise.
8264
8265 2019-01-22  Richard Biener  <rguenther@suse.de>
8266
8267         PR tree-optimization/88862
8268         * graphite-scop-detection.c
8269         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
8270
8271 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
8272
8273         * doc/extend.tex (AMD GCN Function Attributes): New section.
8274         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
8275         * doc/invoke.texi (AMD GCN Options): New section.
8276         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
8277
8278 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8279
8280         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
8281         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
8282
8283 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
8284
8285         PR tree-optimization/88044
8286         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
8287         is false in the first iteration, but !every_iteration, return false
8288         instead of true with niter->niter zero.
8289
8290         PR rtl-optimization/88904
8291         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
8292         any nonequal registers before processing BB_END (b).
8293
8294         PR target/88905
8295         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
8296         GET_MODE (op0).
8297         (expand_binop_directly, expand_doubleword_clz,
8298         expand_doubleword_popcount, expand_ctz, expand_ffs,
8299         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
8300
8301         PR rtl-optimization/49429
8302         PR target/49454
8303         PR rtl-optimization/86334
8304         PR target/88906
8305         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
8306         addressable from here...
8307         (emit_block_op_via_libcall): ... to here.
8308
8309 2019-01-22  Richard Biener  <rguenther@suse.de>
8310
8311         * tree-vect-loop.c (vect_analyze_loop_operations): Use
8312         auto_vec for cost vector to fix memleak.
8313         (vectorize_fold_left_reduction): Properly gather SLP defs.
8314         (vectorizable_comparison): Do not swap operands to properly
8315         gather SLP defs.
8316
8317 2019-01-22  Alan Modra  <amodra@gmail.com>
8318
8319         PR target/88614
8320         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
8321         stays a reg.  Allow a const_int.
8322         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8323         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8324         (IS_NOMARK_TLSGETADDR): Define.
8325         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8326         (rs6000_output_tlsargs): New function.
8327         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8328         __tls_get_addr call takes an arg.
8329         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8330         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8331         delete split..
8332         (call_value_nonlocal_sysv): ..or here, delete split.
8333         (tls_gdld_nomark): Delete.
8334         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8335         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8336         (call_value_nonlocal_sysv): Likewise.
8337         (call_value_nonlocal_sysv_secure): Likewise.
8338         (call_value_nonlocal_aix): Likewise.
8339         (call_value_indirect_aix): Likewise.
8340         (call_value_indirect_elfv2): Likewise.
8341         (call_value_local32, call_value_local64): Disable for no-mark tls.
8342         (call_value_local_aix): Likewise.
8343
8344 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8345
8346         PR target/88938
8347         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8348         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8349
8350 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8351
8352         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8353         string contents as hash_map keys.
8354
8355 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8356
8357         PR c/88928
8358         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8359         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8360         instead of TYPE_ALIGN.
8361         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8362         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8363         pointer from TYPE_STUB_DECL.
8364
8365 2019-01-21  Richard Biener  <rguenther@suse.de>
8366
8367         PR tree-optimization/88934
8368         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8369         at the possibly non-constant operand.
8370         (vect_get_constant_vectors): Adjust.
8371
8372 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8373
8374         PR target/71659
8375         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8376         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8377         instead of _X86INTRIN_H_INCLUDED.
8378         * onfig/i386/clwbintrin.h: Likewise.
8379         * config/i386/pkuintrin.h: Likewise.
8380         * config/i386/prfchwintrin.h: Likewise.
8381         * config/i386/rdseedintrin.h: Likewise.
8382         * config/i386/wbnoinvdintrin.h: Likewise.
8383         * config/i386/xsavecintrin.h: Likewise.
8384         * config/i386/xsavesintrin.h: Likewise.
8385         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8386         * config/i386/xsaveintrin.h: Likewise.
8387         * config/i386/xsaveoptintrin.h: Likewise.
8388         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8389         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8390         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8391         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8392         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8393         * config/i386/immintrin.h: Here.
8394
8395 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8396
8397         PR ipa/87615
8398         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8399         with aa_walk_budget.
8400         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8401         aa_walk_budget_p parameter.
8402         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8403         walk.  Updated all callers.
8404         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8405         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8406         unmodified_parm.
8407         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8408         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8409         and to unmodified_parm.
8410         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8411         info, updated call to will_be_nonconstant_expr_predicate.
8412         (param_change_prob): New parameter fbi, limit AA walking.
8413         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8414         calls to various above functions.
8415         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8416         parameter.  Use it to limit AA walking.
8417         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8418         fbi, limit AA walk.
8419         (detect_type_change): New parameter fbi, pass it on to
8420         detect_type_change_from_memory_writes.
8421         (detect_type_change_ssa): Likewise.
8422         (aa_overwalked): Removed.
8423         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8424         accordingly, adjust to the neew AA limiting scheme.
8425         (parm_ref_data_preserved_p): Likewise.
8426         (ipa_compute_jump_functions_for_edge): Adjust call to
8427         get_dynamic_type.
8428         (ipa_analyze_call_uses): Likewise.
8429         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8430         (ipa_analyze_node): Initialize aa_walk_budget.
8431         (ipcp_transform_function): Likewise.
8432         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8433         to get_dynamic_type.
8434
8435 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8436
8437         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8438         outside of #if CHECKING_P code.
8439
8440 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8441
8442         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8443         New function, split out from...
8444         (loop_versioning::analyze_stride): ...here.
8445         (loop_versioning::find_per_loop_multiplication): Use gassign.
8446         (loop_versioning::analyze_term_using_scevs): Return a success code.
8447         (loop_versioning::analyze_arbitrary_term): New function.
8448         (loop_versioning::analyze_address_fragment): Use
8449         analyze_arbitrary_term if all else fails.
8450
8451 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8452
8453         PR target/88892
8454         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8455         operands.
8456
8457 2019-01-18  Richard Biener  <rguenther@suse.de>
8458
8459         PR tree-optimization/88903
8460         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8461         scalar stmts a SLP shift amount is composed of when detecting
8462         shifts by scalars.
8463
8464 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8465
8466         PR target/88799
8467         * config/arm/arm-cpus.in (mp): New feature.
8468         (sec): New feature.
8469         (fgroup ARMv7ve): Add mp and sec features.
8470         (arch armv7-a): Add options to allow mp and sec extensions.
8471         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8472         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8473         extenstions to the base architecture.
8474         (cpu cortex-a8): Add sec extension to the base architecture.
8475         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8476         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8477         variants down to the base v7-a varaint.
8478         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8479         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8480         of permitted extensions for -march=armv7-a and for
8481         -mcpu=generic-armv7-a.
8482
8483 2019-01-18  Martin Liska  <mliska@suse.cz>
8484
8485         * params.def: Fix comment.
8486         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8487         name.
8488         (gimple_gen_ic_func_profiler): Likewise.
8489
8490 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8491
8492         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8493         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8494         and put in error checks for stack protector guard options.
8495         (aarch64_stack_protect_guard): New.
8496         (TARGET_STACK_PROTECT_GUARD): Define.
8497         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8498         (reg_stack_protect_address<mode>): New.
8499         (stack_protect_set): Adjust for SSP_GLOBAL.
8500         (stack_protect_test): Likewise.
8501         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8502         (-mstack-protector-guard): Likewise.
8503         (-mstack-protector-guard-offset): Likewise.
8504
8505 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8506
8507         PR tree-optimization/86214
8508         * tree-inline.h (struct copy_body_data): Add
8509         add_clobbers_to_eh_landing_pads member.
8510         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8511         (copy_edges_for_bb): Call it if EH edge destination is <
8512         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8513         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8514         if flag_stack_reuse != SR_NONE and clear it afterwards.
8515
8516 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8517
8518         PR target/85596
8519         * doc/install.texi (with-multilib-list): Document for aarch64.
8520
8521 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8522
8523         PR target/88734
8524         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8525         (("..."))) with ("...").
8526
8527 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8528
8529         * doc/extend.texi (Built-in Functions for Memory Model Aware
8530         Atomic Operations): Document atomic fetch and nand.
8531
8532 2019-01-18  Martin Liska  <mliska@suse.cz>
8533             Richard Biener  <rguenther@suse.de>
8534
8535         PR middle-end/88587
8536         * cgraph.h (create_version_clone_with_body): Add new argument
8537         with attributes.
8538         * cgraphclones.c (cgraph_node::create_version_clone): Add
8539         DECL_ATTRIBUTES to a newly created decl.  And call
8540         valid_attribute_p so that proper cl_target_optimization_node
8541         is set for the newly created declaration.
8542         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8543         for declaration.
8544         (expand_target_clones): Do not call valid_attribute_p, it must
8545         be already done.
8546         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8547         vector types.
8548
8549 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8550
8551         PR target/88734
8552         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8553         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8554         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8555
8556 2019-01-17  Martin Sebor  <msebor@redhat.com>
8557
8558         PR middle-end/88273
8559         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8560         Handle anti-ranges the same as no range at all.
8561
8562 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8563
8564         * config/aarch64/aarch64.c (cgraph.h): New include.
8565         (intl.h): New include.
8566         (supported_simd_type): New function.
8567         (currently_supported_simd_type): Ditto.
8568         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8569         (aarch64_simd_clone_adjust): Ditto.
8570         (aarch64_simd_clone_usable): Ditto.
8571         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8572         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8573         (TARGET_SIMD_CLONE_USABLE): Ditto.
8574         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8575         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8576         call.
8577
8578 2019-01-17  Martin Sebor  <msebor@redhat.com>
8579
8580         PR tree-optimization/88800
8581         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8582         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8583         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8584         redundant argument.  Add new argument and issue diagnostics under
8585         its control.  Detect out-of-bounds access even with warnings
8586         disabled.
8587         (check_bounds_or_overlap): Change return type.  Add argument.
8588         (wrestrict_dom_walker::check_call): Adjust.
8589         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8590         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8591         check_bounds_or_overlap's return value.
8592         (handle_builtin_stxncpy): Same.
8593         (handle_builtin_strcat): Same.
8594
8595 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8596             Kwok Cheung Yeung  <kcy@codesourcery.com>
8597             Julian Brown  <julian@codesourcery.com>
8598             Tom de Vries  <tom@codesourcery.com>
8599
8600         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8601
8602 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8603
8604         * doc/sourcebuild.texi: Document dg-require-effective-target
8605         llvm_binutils and offload_gcn.
8606
8607 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8608             Kwok Cheung Yeung  <kcy@codesourcery.com>
8609             Julian Brown  <julian@codesourcery.com>
8610             Tom de Vries  <tom@codesourcery.com>
8611
8612         * doc/sourcebuild.texi: Document dg-required-effective-target
8613         exceptions.
8614
8615 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8616             Kwok Cheung Yeung  <kcy@codesourcery.com>
8617             Julian Brown  <julian@codesourcery.com>
8618             Tom de Vries  <tom@codesourcery.com>
8619             Jan Hubicka  <hubicka@ucw.cz>
8620             Martin Jambor  <mjambor@suse.cz>
8621
8622         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8623         * configure.ac: Check for dlopen.
8624         * configure: Regenerate.
8625
8626 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8627             Kwok Cheung Yeung  <kcy@codesourcery.com>
8628             Julian Brown  <julian@codesourcery.com>
8629             Tom de Vries  <tom@codesourcery.com>
8630             Jan Hubicka  <hubicka@ucw.cz>
8631             Martin Jambor  <mjambor@suse.cz>
8632
8633         * common/config/gcn/gcn-common.c: New file.
8634         * config/gcn/driver-gcn.c: New file.
8635         * config/gcn/gcn-builtins.def: New file.
8636         * config/gcn/gcn-hsa.h: New file.
8637         * config/gcn/gcn-modes.def: New file.
8638         * config/gcn/gcn-opts.h: New file.
8639         * config/gcn/gcn-passes.def: New file.
8640         * config/gcn/gcn-protos.h: New file.
8641         * config/gcn/gcn-run.c: New file.
8642         * config/gcn/gcn-tree.c: New file.
8643         * config/gcn/gcn.c: New file.
8644         * config/gcn/gcn.h: New file.
8645         * config/gcn/gcn.opt: New file.
8646         * config/gcn/t-gcn-hsa: New file.
8647
8648 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8649             Kwok Cheung Yeung  <kcy@codesourcery.com>
8650             Julian Brown  <julian@codesourcery.com>
8651             Tom de Vries  <tom@codesourcery.com>
8652             Jan Hubicka  <hubicka@ucw.cz>
8653             Martin Jambor  <mjambor@suse.cz>
8654
8655         * config/gcn/constraints.md: New file.
8656         * config/gcn/gcn-valu.md: New file.
8657         * config/gcn/gcn.md: New file.
8658         * config/gcn/predicates.md: New file.
8659
8660 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8661
8662         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8663         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8664         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8665         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8666
8667 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8668
8669         PR target/88851
8670         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8671         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8672         it and document registers.
8673
8674 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8675
8676         * config/aarch64/aarch64.c (ares_tunings): Define.
8677         * config/aarch64/aarch64-cores.def (ares): Use the above.
8678
8679 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8680
8681         PR target/88794
8682         Revert:
8683         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8684
8685         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8686         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8687         (_mm512_maskz_fixupimm_round_pd): Ditto.
8688         (_mm512_fixupimm_round_ps): Ditto.
8689         (_mm512_maskz_fixupimm_round_ps): Ditto.
8690         (_mm_fixupimm_round_sd): Ditto.
8691         (_mm_maskz_fixupimm_round_sd): Ditto.
8692         (_mm_fixupimm_round_ss): Ditto.
8693         (_mm_maskz_fixupimm_round_ss): Ditto.
8694         (_mm512_fixupimm_pd): Ditto.
8695         (_mm512_maskz_fixupimm_pd): Ditto.
8696         (_mm512_fixupimm_ps): Ditto.
8697         (_mm512_maskz_fixupimm_ps): Ditto.
8698         (_mm_fixupimm_sd): Ditto.
8699         (_mm_maskz_fixupimm_sd): Ditto.
8700         (_mm_fixupimm_ss): Ditto.
8701         (_mm_maskz_fixupimm_ss): Ditto.
8702         (_mm512_mask_fixupimm_round_pd): Update builtin.
8703         (_mm512_mask_fixupimm_round_ps): Ditto.
8704         (_mm_mask_fixupimm_round_sd): Ditto.
8705         (_mm_mask_fixupimm_round_ss): Ditto.
8706         (_mm512_mask_fixupimm_pd): Ditto.
8707         (_mm512_mask_fixupimm_ps): Ditto.
8708         (_mm_mask_fixupimm_sd): Ditto.
8709         (_mm_mask_fixupimm_ss): Ditto.
8710         * config/i386/avx512vlintrin.h:
8711         (_mm256_fixupimm_pd): Update parameters and builtin.
8712         (_mm256_maskz_fixupimm_pd): Ditto.
8713         (_mm256_fixupimm_ps): Ditto.
8714         (_mm256_maskz_fixupimm_ps): Ditto.
8715         (_mm_fixupimm_pd): Ditto.
8716         (_mm_maskz_fixupimm_pd): Ditto.
8717         (_mm_fixupimm_ps): Ditto.
8718         (_mm_maskz_fixupimm_ps): Ditto.
8719         (_mm256_mask_fixupimm_pd): Update builtin.
8720         (_mm256_mask_fixupimm_ps): Ditto.
8721         (_mm_mask_fixupimm_pd): Ditto.
8722         (_mm_mask_fixupimm_ps): Ditto.
8723         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8724         * config/i386/i386-builtin.def: Update builtin definitions.
8725         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8726         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8727         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8728         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8729         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8730         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8731         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8732         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8733         * config/i386/subst.md:
8734         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8735         (round_saeonly_sd_mask_op4): Ditto.
8736         (round_saeonly_expand_operand5): Ditto.
8737         (round_saeonly_expand): Update.
8738
8739 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8740
8741         PR target/88794
8742         Revert:
8743         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8744
8745         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8746         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8747         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8748         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8749         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8750         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8751         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8752
8753 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8754
8755         PR target/88794
8756         Revert:
8757         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8758
8759         PR target/88489
8760         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8761         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8762         instead of UNSPEC_FIXUPIMM.
8763
8764 2019-01-17  Richard Biener  <rguenther@suse.de>
8765
8766         PR lto/86736
8767         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8768         and friends for the LTO part of debug info.
8769
8770 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8771
8772         PR tree-optimization/86214
8773         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8774         if x == y.
8775
8776         PR rtl-optimization/88870
8777         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8778         throw if we can't alter the cfg or delete dead exceptions.
8779         (mark_insn): Don't call find_call_stack_args for such calls.
8780
8781 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8782
8783         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8784         prototypes for vec_st.
8785         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8786         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8787         mainly on signed/unsigned long long and double.
8788
8789 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8790
8791         PR target/88861
8792         * combine.c (delete_noop_moves): Convert to "bool" return,
8793         returning true if any edges are eliminated.
8794         (combine_instructions): Also return true if delete_noop_moves
8795         returns true.
8796
8797 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8798
8799         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8800         correct max nunits for endian swap.
8801         (aarch64_expand_fcmla_builtin): Correct subreg code.
8802         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8803         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8804         lane endianness.
8805
8806 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8807
8808         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8809         Handle split indirect COMPLEX_TYPE arguments.
8810
8811 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8812
8813         PR target/86891
8814         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8815         bit is set by add and compare.
8816         (CC_ADC): New CC_MODE.
8817         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8818         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8819         comparison.  Add detection for CC_ADCmode.
8820         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8821         CC_ADCmode.
8822         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8823         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8824         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8825         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8826         to eliminate the need for zero-extending the operands.
8827         (add<mode>3_compareC_imm): Delete.  Merge into ...
8828         (add<mode>3_compareC): ... this.  Restructure the comparison to
8829         eliminate the need for zero-extending the operands.
8830         (add<mode>3_carryin): Use LTU for the overflow detection.
8831         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8832         Reexpress comparison for overflow.
8833         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8834         (add<mode>3_carryinC): Likewise.
8835         (add<mode>3_carryinV): Use LTU for carry between partials.
8836         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8837         handling of CC_Cmode and add CC_ADCmode.
8838         (aarch64_borrow_operation): Likewise.
8839
8840 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8841
8842         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8843         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8844         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8845         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8846
8847 2019-01-16  Martin Liska  <mliska@suse.cz>
8848
8849         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8850         for GCC driver.
8851         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8852         a new argument.
8853         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8854         (path_prefix_reset): Move up in the source file.
8855         (find_fortran_preinclude_file): Make complex search for the
8856         fortran header files.
8857
8858 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8859
8860         * godump.c (go_output_typedef): When outputting a typedef, refer
8861         to the underlying type by its name and not its structure.
8862
8863 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8864
8865         PR c++/88795
8866         * tree.c (build_function_type): Assert that arg_types is not
8867         error_mark_node.
8868
8869 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8870
8871         PR inline-asm/52813
8872         * doc/extend.texi: Document that listing the stack pointer in the
8873         clobber list of an asm is a deprecated feature.
8874         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8875         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8876         warning instead of an error for clobbers of the stack pointer.
8877         Add a note explaining why.
8878
8879 2019-01-15  Richard Biener  <rguenther@suse.de>
8880
8881         PR debug/88046
8882         * dwarf2out.c (gen_member_die): Do not generate inheritance
8883         DIEs late.
8884
8885 2019-01-15  Richard Biener  <rguenther@suse.de>
8886
8887         PR tree-optimization/88855
8888         * tree-if-conv.c (combine_blocks): Collect
8889         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8890
8891 2019-01-15  Tom de Vries  <tdevries@suse.de>
8892
8893         PR target/80547
8894         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8895         lhs == NULL_TREE for gang-level reduction.
8896
8897 2019-01-15  Richard Biener  <rguenther@suse.de>
8898             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8899
8900         PR ipa/88788
8901         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8902         return true if SSA_NAME is already marked in visited bitmap.
8903         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8904
8905 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8906
8907         PR tree-optimization/88775
8908         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8909         equal == 0 equality pointer comparisons some more if compared in
8910         integral types and either one points to an automatic var and the
8911         other to a global, or we can prove at least one points to the middle
8912         or both point to start or both point to end.
8913
8914 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8915
8916         * Makefile.in: Lower autofdo sampling rate by 10x.
8917         * Makefile.tpl: Dito.
8918
8919 2019-01-14  Tom Honermann  <tom@honermann.net>
8920
8921         * defaults.h: Define CHAR8_TYPE.
8922
8923 2019-01-14  Martin Sebor  <msebor@redhat.com>
8924
8925         PR target/88638
8926         * doc/extend.texi (Darwin Format Checks): Clarify.
8927
8928 2019-01-14  Richard Biener  <rguenther@suse.de>
8929
8930         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8931         whether we are in (simplify ...) or (match ...) context.
8932
8933 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8934
8935         PR rtl-optimization/88796
8936         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8937         * cfgexpand.c (stack_protect_prologue): Initialize
8938         crtl->stack_protect_guard_decl.
8939         * function.c (stack_protect_epilogue): Use it instead of calling
8940         targetm.stack_protect_guard again.
8941         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8942         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8943         crtl->stack_protect_guard_decl.
8944         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8945         on the returned MEM_EXPR.
8946
8947 2019-01-12  Tom de Vries  <tdevries@suse.de>
8948
8949         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8950         vector length using -fopenacc-dim.
8951
8952 2019-01-12  Tom de Vries  <tdevries@suse.de>
8953
8954         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8955         lengths into account.
8956
8957 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8958
8959         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8960         (TARGET_CAN_SPLIT_STACK): Define.
8961         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8962
8963 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8964
8965         * params.def (inline-unit-growth): Set to 40.
8966
8967 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8968
8969         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8970
8971 2019-01-12  Tom de Vries  <tdevries@suse.de>
8972
8973         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8974         region calling vector-partitionable routine, set default_vector_length
8975         to WARP_SIZE.
8976
8977 2019-01-12  Tom de Vries  <tdevries@suse.de>
8978
8979         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8980         variable default_vector_length.
8981
8982 2019-01-12  Tom de Vries  <tdevries@suse.de>
8983
8984         PR middle-end/88703
8985         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8986         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8987         dimensions limits.
8988
8989 2019-01-12  Tom de Vries  <tdevries@suse.de>
8990
8991         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8992         (nvptx_goacc_validate_dims): Add used parameter.
8993         * doc/tm.texi: Regenerate.
8994         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8995         argument to call to targetm.goacc.validate_dims.
8996         (default_goacc_validate_dims): Add used
8997         parameter.
8998         * target.def (validate_dims): Add used parameter in DEFHOOK.
8999         * targhooks.h (default_goacc_validate_dims): Add used parameter.
9000
9001 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9002
9003         PR middle-end/85956
9004         PR lto/88733
9005         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
9006         field.
9007         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
9008         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
9009         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
9010         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
9011
9012 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
9013
9014         PR rtl-optimization/87305
9015         * lra-assigns.c
9016         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
9017         for little endian pseudos used as paradoxical subreg.
9018
9019 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9020
9021         PR tree-optimization/88693
9022         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
9023         for STRING_CSTs that don't contain any NUL characters in the first
9024         TREE_STRING_LENGTH bytes.
9025
9026 2019-01-11  Alan Modra  <amodra@gmail.com>
9027
9028         PR 88777
9029         PR 88614
9030         * genattrtab.c (min_fn): Don't translate values.
9031         (min_attr_value): Return INT_MAX when the value can't be calculated.
9032         Return minimum among any values that can be calculated.
9033         (max_attr_value): Adjust.
9034
9035 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9036
9037         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
9038
9039 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9040
9041         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9042         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
9043         (aarch64_return_call_with_max_clobbers): New function.
9044         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
9045         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
9046         argument.
9047         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
9048         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
9049         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
9050         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
9051         * cselib.c (cselib_process_insn): Add argument to
9052         targetm.hard_regno_call_part_clobbered call.
9053         * ira-conflicts.c (ira_build_conflicts): Ditto.
9054         * ira-costs.c (ira_tune_allocno_costs): Ditto.
9055         * lra-constraints.c (inherit_reload_reg): Ditto.
9056         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
9057         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
9058         argument.  Call targetm.return_call_with_max_clobbers.
9059         Add argument to targetm.hard_regno_call_part_clobbered call.
9060         (calls_have_same_clobbers_p): New function.
9061         (process_bb_lives): Add call_insn and last_call_insn variables.
9062         Pass call_insn to check_pseudos_live_through_calls.
9063         Modify if stmt to check targetm.return_call_with_max_clobbers.
9064         Update setting of flush variable.
9065         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
9066         to false.
9067         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
9068         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
9069         targetm.hard_regno_call_part_clobbered call.
9070         * reginfo.c (choose_hard_reg_mode): Ditto.
9071         * regrename.c (check_new_reg_p): Ditto.
9072         * reload.c (find_equiv_reg): Ditto.
9073         * reload1.c (emit_reload_insns): Ditto.
9074         * sched-deps.c (deps_analyze_insn): Ditto.
9075         * sel-sched.c (init_regs_for_mode): Ditto.
9076         (mark_unavailable_hard_regs): Ditto.
9077         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
9078         * target.def (hard_regno_call_part_clobbered): Add insn argument.
9079         (return_call_with_max_clobbers): New target function.
9080         * doc/tm.texi: Regenerate.
9081         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
9082         * hooks.c (hook_bool_uint_mode_false): Change to
9083         hook_bool_insn_uint_mode_false.
9084         * hooks.h (hook_bool_uint_mode_false): Ditto.
9085
9086 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
9087
9088         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
9089         (aarch64_remove_extra_call_preserved_regs): New function.
9090         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
9091         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
9092         * doc/tm.texi: Regenerate.
9093         * final.c (get_call_reg_set_usage): Call new hook.
9094         * target.def (remove_extra_call_preserved_regs): New hook.
9095         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
9096         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
9097
9098 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
9099
9100         PR bootstrap/88714
9101         * passes.c (finish_optimization_passes): Call print_combine_total_stats
9102         inside of pass_combine_1 dump rather than pass_profile_1.
9103
9104 2019-01-11  Tom de Vries  <tdevries@suse.de>
9105
9106         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
9107         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
9108         (PTX_NUM_PER_WORKER_BARRIERS): Define.
9109         (nvptx_apply_dim_limits): Prevent vector_length 64 and
9110         num_workers 16.
9111
9112 2019-01-11  Tom de Vries  <tdevries@suse.de>
9113
9114         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
9115
9116 2019-01-11  Jan Beulich  <jbeulich@suse.com>
9117
9118         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
9119         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
9120         sse2_cvtsi2sd): Add {l}.
9121         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
9122         syntax.
9123
9124 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9125
9126         PR target/88785
9127         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
9128         define_expand.
9129         (*float<floatunssuffix>v2div2sf2): New define_insn.
9130         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
9131         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
9132         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
9133         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
9134         match_operands with "const0_operand" "C".
9135
9136 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9137
9138         * config/aarch64/aarch64-builtins.c
9139         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
9140         (aarch64_init_simd_builtins): ...Here
9141
9142 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
9143
9144         PR rtl-optimization/87305
9145         * lra-assigns.c
9146         (setup_live_pseudos_and_spill_after_risky_transforms): Check
9147         allocation for big endian pseudos used as paradoxical subregs and
9148         spill them if it is wrong.
9149         * lra-constraints.c (lra_constraints): Add a comment.
9150
9151 2019-01-10  Richard Biener  <rguenther@suse.de>
9152
9153         PR tree-optimization/88792
9154         * tree-ssa-pre.c (get_representative_for): Do not return a
9155         value-number here.
9156
9157 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9158
9159         PR middle-end/84877
9160         PR bootstrap/88450
9161         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
9162         (assign_parm_setup_block): Do the argument slot realignment here
9163         instead.
9164
9165 2019-01-10  Stefan Agner  <stefan@agner.ch>
9166
9167         PR target/88648
9168         * config/arm/arm.c (arm_option_override_internal): Force
9169         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
9170
9171 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
9172
9173         PR c/88568
9174         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
9175         DECL_EXTERNAL.
9176
9177 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9178
9179         * config/arm/arm-builtins.c
9180         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
9181         (MAC_LANE_PAIR_QUALIFIERS): New.
9182         (arm_expand_builtin_args): Use it.
9183         (arm_expand_builtin_1): Likewise.
9184         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
9185         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
9186         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
9187         * config/arm/arm_neon.h:
9188         (vcadd_rot90_f16): New.
9189         (vcaddq_rot90_f16): New.
9190         (vcadd_rot270_f16): New.
9191         (vcaddq_rot270_f16): New.
9192         (vcmla_f16): New.
9193         (vcmlaq_f16): New.
9194         (vcmla_lane_f16): New.
9195         (vcmla_laneq_f16): New.
9196         (vcmlaq_lane_f16): New.
9197         (vcmlaq_laneq_f16): New.
9198         (vcmla_rot90_f16): New.
9199         (vcmlaq_rot90_f16): New.
9200         (vcmla_rot90_lane_f16): New.
9201         (vcmla_rot90_laneq_f16): New.
9202         (vcmlaq_rot90_lane_f16): New.
9203         (vcmlaq_rot90_laneq_f16): New.
9204         (vcmla_rot180_f16): New.
9205         (vcmlaq_rot180_f16): New.
9206         (vcmla_rot180_lane_f16): New.
9207         (vcmla_rot180_laneq_f16): New.
9208         (vcmlaq_rot180_lane_f16): New.
9209         (vcmlaq_rot180_laneq_f16): New.
9210         (vcmla_rot270_f16): New.
9211         (vcmlaq_rot270_f16): New.
9212         (vcmla_rot270_lane_f16): New.
9213         (vcmla_rot270_laneq_f16): New.
9214         (vcmlaq_rot270_lane_f16): New.
9215         (vcmlaq_rot270_laneq_f16): New.
9216         (vcadd_rot90_f32): New.
9217         (vcaddq_rot90_f32): New.
9218         (vcadd_rot270_f32): New.
9219         (vcaddq_rot270_f32): New.
9220         (vcmla_f32): New.
9221         (vcmlaq_f32): New.
9222         (vcmla_lane_f32): New.
9223         (vcmla_laneq_f32): New.
9224         (vcmlaq_lane_f32): New.
9225         (vcmlaq_laneq_f32): New.
9226         (vcmla_rot90_f32): New.
9227         (vcmlaq_rot90_f32): New.
9228         (vcmla_rot90_lane_f32): New.
9229         (vcmla_rot90_laneq_f32): New.
9230         (vcmlaq_rot90_lane_f32): New.
9231         (vcmlaq_rot90_laneq_f32): New.
9232         (vcmla_rot180_f32): New.
9233         (vcmlaq_rot180_f32): New.
9234         (vcmla_rot180_lane_f32): New.
9235         (vcmla_rot180_laneq_f32): New.
9236         (vcmlaq_rot180_lane_f32): New.
9237         (vcmlaq_rot180_laneq_f32): New.
9238         (vcmla_rot270_f32): New.
9239         (vcmlaq_rot270_f32): New.
9240         (vcmla_rot270_lane_f32): New.
9241         (vcmla_rot270_laneq_f32): New.
9242         (vcmlaq_rot270_lane_f32): New.
9243         (vcmlaq_rot270_laneq_f32): New.
9244         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
9245         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
9246         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
9247         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
9248         vcmlaq_lane270): New.
9249         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
9250         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
9251         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
9252         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
9253         (arm_option_reconfigure_globals): Use them.
9254         * config/arm/iterators.md (VDF, VQ_HSF): New.
9255         (VCADD, VCMLA): New.
9256         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
9257         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
9258         New.
9259         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
9260         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
9261
9262 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
9263
9264         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
9265         Add qualifier_lane_pair_index.
9266         (emit-rtl.h): Include.
9267         (TYPES_QUADOP_LANE_PAIR): New.
9268         (aarch64_simd_expand_args): Use it.
9269         (aarch64_simd_expand_builtin): Likewise.
9270         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
9271         New.
9272         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
9273         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
9274         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
9275         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
9276         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
9277         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
9278         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
9279         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
9280         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
9281         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
9282         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
9283         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
9284         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
9285         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
9286         Add __ARM_FEATURE_COMPLEX.
9287         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
9288         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
9289         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
9290         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
9291         fcmlaq_lane270): New.
9292         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9293         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
9294         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
9295         * config/aarch64/arm_neon.h:
9296         (vcadd_rot90_f16): New.
9297         (vcaddq_rot90_f16): New.
9298         (vcadd_rot270_f16): New.
9299         (vcaddq_rot270_f16): New.
9300         (vcmla_f16): New.
9301         (vcmlaq_f16): New.
9302         (vcmla_lane_f16): New.
9303         (vcmla_laneq_f16): New.
9304         (vcmlaq_lane_f16): New.
9305         (vcmlaq_rot90_lane_f16): New.
9306         (vcmla_rot90_laneq_f16): New.
9307         (vcmla_rot90_lane_f16): New.
9308         (vcmlaq_rot90_f16): New.
9309         (vcmla_rot90_f16): New.
9310         (vcmlaq_laneq_f16): New.
9311         (vcmla_rot180_laneq_f16): New.
9312         (vcmla_rot180_lane_f16): New.
9313         (vcmlaq_rot180_f16): New.
9314         (vcmla_rot180_f16): New.
9315         (vcmlaq_rot90_laneq_f16): New.
9316         (vcmlaq_rot270_laneq_f16): New.
9317         (vcmlaq_rot270_lane_f16): New.
9318         (vcmla_rot270_laneq_f16): New.
9319         (vcmlaq_rot270_f16): New.
9320         (vcmla_rot270_f16): New.
9321         (vcmlaq_rot180_laneq_f16): New.
9322         (vcmlaq_rot180_lane_f16): New.
9323         (vcmla_rot270_lane_f16): New.
9324         (vcadd_rot90_f32): New.
9325         (vcaddq_rot90_f32): New.
9326         (vcaddq_rot90_f64): New.
9327         (vcadd_rot270_f32): New.
9328         (vcaddq_rot270_f32): New.
9329         (vcaddq_rot270_f64): New.
9330         (vcmla_f32): New.
9331         (vcmlaq_f32): New.
9332         (vcmlaq_f64): New.
9333         (vcmla_lane_f32): New.
9334         (vcmla_laneq_f32): New.
9335         (vcmlaq_lane_f32): New.
9336         (vcmlaq_laneq_f32): New.
9337         (vcmla_rot90_f32): New.
9338         (vcmlaq_rot90_f32): New.
9339         (vcmlaq_rot90_f64): New.
9340         (vcmla_rot90_lane_f32): New.
9341         (vcmla_rot90_laneq_f32): New.
9342         (vcmlaq_rot90_lane_f32): New.
9343         (vcmlaq_rot90_laneq_f32): New.
9344         (vcmla_rot180_f32): New.
9345         (vcmlaq_rot180_f32): New.
9346         (vcmlaq_rot180_f64): New.
9347         (vcmla_rot180_lane_f32): New.
9348         (vcmla_rot180_laneq_f32): New.
9349         (vcmlaq_rot180_lane_f32): New.
9350         (vcmlaq_rot180_laneq_f32): New.
9351         (vcmla_rot270_f32): New.
9352         (vcmlaq_rot270_f32): New.
9353         (vcmlaq_rot270_f64): New.
9354         (vcmla_rot270_lane_f32): New.
9355         (vcmla_rot270_laneq_f32): New.
9356         (vcmlaq_rot270_lane_f32): New.
9357         (vcmlaq_rot270_laneq_f32): New.
9358         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9359         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9360         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9361         (FCADD, FCMLA): New.
9362         (rot): New.
9363         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9364
9365 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9366
9367         PR other/16615
9368
9369         * config/pa/pa.c: Change "can not" to "cannot".
9370         * gimple-ssa-evrp-analyze.c: Likewise.
9371         * ipa-icf.c: Likewise.
9372         * ipa-polymorphic-call.c: Likewise.
9373         * ipa-pure-const.c: Likewise.
9374         * lra-constraints.c: Likewise.
9375         * lra-remat.c: Likewise.
9376         * reload1.c: Likewise.
9377         * reorg.c: Likewise.
9378         * tree-ssa-uninit.c: Likewise.
9379
9380 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9381
9382         PR other/16615
9383
9384         * Makefile.in: Mechanically replace "can not" with "cannot".
9385         * alias.c: Likewise.
9386         * builtins.c: Likewise.
9387         * calls.c: Likewise.
9388         * cgraph.c: Likewise.
9389         * cgraph.h: Likewise.
9390         * cgraphclones.c: Likewise.
9391         * cgraphunit.c: Likewise.
9392         * combine-stack-adj.c: Likewise.
9393         * combine.c: Likewise.
9394         * common/config/i386/i386-common.c: Likewise.
9395         * config/aarch64/aarch64.c: Likewise.
9396         * config/alpha/sync.md: Likewise.
9397         * config/arc/arc.c: Likewise.
9398         * config/arc/predicates.md: Likewise.
9399         * config/arm/arm-c.c: Likewise.
9400         * config/arm/arm.c: Likewise.
9401         * config/arm/arm.h: Likewise.
9402         * config/arm/arm.md: Likewise.
9403         * config/arm/cortex-r4f.md: Likewise.
9404         * config/csky/csky.c: Likewise.
9405         * config/csky/csky.h: Likewise.
9406         * config/darwin-f.c: Likewise.
9407         * config/epiphany/epiphany.md: Likewise.
9408         * config/i386/i386.c: Likewise.
9409         * config/i386/sol2.h: Likewise.
9410         * config/m68k/m68k.c: Likewise.
9411         * config/mcore/mcore.h: Likewise.
9412         * config/microblaze/microblaze.md: Likewise.
9413         * config/mips/20kc.md: Likewise.
9414         * config/mips/sb1.md: Likewise.
9415         * config/nds32/nds32.c: Likewise.
9416         * config/nds32/predicates.md: Likewise.
9417         * config/pa/pa.c: Likewise.
9418         * config/rs6000/e300c2c3.md: Likewise.
9419         * config/rs6000/rs6000.c: Likewise.
9420         * config/s390/s390.h: Likewise.
9421         * config/sh/sh.c: Likewise.
9422         * config/sh/sh.md: Likewise.
9423         * config/spu/vmx2spu.h: Likewise.
9424         * cprop.c: Likewise.
9425         * dbxout.c: Likewise.
9426         * df-scan.c: Likewise.
9427         * doc/cfg.texi: Likewise.
9428         * doc/extend.texi: Likewise.
9429         * doc/fragments.texi: Likewise.
9430         * doc/gty.texi: Likewise.
9431         * doc/invoke.texi: Likewise.
9432         * doc/lto.texi: Likewise.
9433         * doc/md.texi: Likewise.
9434         * doc/objc.texi: Likewise.
9435         * doc/rtl.texi: Likewise.
9436         * doc/tm.texi: Likewise.
9437         * dse.c: Likewise.
9438         * emit-rtl.c: Likewise.
9439         * emit-rtl.h: Likewise.
9440         * except.c: Likewise.
9441         * expmed.c: Likewise.
9442         * expr.c: Likewise.
9443         * fold-const.c: Likewise.
9444         * genautomata.c: Likewise.
9445         * gimple-fold.c: Likewise.
9446         * hard-reg-set.h: Likewise.
9447         * ifcvt.c: Likewise.
9448         * ipa-comdats.c: Likewise.
9449         * ipa-cp.c: Likewise.
9450         * ipa-devirt.c: Likewise.
9451         * ipa-fnsummary.c: Likewise.
9452         * ipa-icf.c: Likewise.
9453         * ipa-inline-transform.c: Likewise.
9454         * ipa-inline.c: Likewise.
9455         * ipa-polymorphic-call.c: Likewise.
9456         * ipa-profile.c: Likewise.
9457         * ipa-prop.c: Likewise.
9458         * ipa-pure-const.c: Likewise.
9459         * ipa-reference.c: Likewise.
9460         * ipa-split.c: Likewise.
9461         * ipa-visibility.c: Likewise.
9462         * ipa.c: Likewise.
9463         * ira-build.c: Likewise.
9464         * ira-color.c: Likewise.
9465         * ira-conflicts.c: Likewise.
9466         * ira-costs.c: Likewise.
9467         * ira-int.h: Likewise.
9468         * ira-lives.c: Likewise.
9469         * ira.c: Likewise.
9470         * ira.h: Likewise.
9471         * loop-invariant.c: Likewise.
9472         * loop-unroll.c: Likewise.
9473         * lower-subreg.c: Likewise.
9474         * lra-assigns.c: Likewise.
9475         * lra-constraints.c: Likewise.
9476         * lra-eliminations.c: Likewise.
9477         * lra-lives.c: Likewise.
9478         * lra-remat.c: Likewise.
9479         * lra-spills.c: Likewise.
9480         * lra.c: Likewise.
9481         * lto-cgraph.c: Likewise.
9482         * lto-streamer-out.c: Likewise.
9483         * postreload-gcse.c: Likewise.
9484         * predict.c: Likewise.
9485         * profile-count.h: Likewise.
9486         * profile.c: Likewise.
9487         * recog.c: Likewise.
9488         * ree.c: Likewise.
9489         * reload.c: Likewise.
9490         * reload1.c: Likewise.
9491         * reorg.c: Likewise.
9492         * resource.c: Likewise.
9493         * rtl.def: Likewise.
9494         * rtl.h: Likewise.
9495         * rtlanal.c: Likewise.
9496         * sched-deps.c: Likewise.
9497         * sched-ebb.c: Likewise.
9498         * sched-rgn.c: Likewise.
9499         * sel-sched-ir.c: Likewise.
9500         * sel-sched.c: Likewise.
9501         * shrink-wrap.c: Likewise.
9502         * simplify-rtx.c: Likewise.
9503         * symtab.c: Likewise.
9504         * target.def: Likewise.
9505         * toplev.c: Likewise.
9506         * tree-call-cdce.c: Likewise.
9507         * tree-cfg.c: Likewise.
9508         * tree-complex.c: Likewise.
9509         * tree-core.h: Likewise.
9510         * tree-eh.c: Likewise.
9511         * tree-inline.c: Likewise.
9512         * tree-loop-distribution.c: Likewise.
9513         * tree-nrv.c: Likewise.
9514         * tree-profile.c: Likewise.
9515         * tree-sra.c: Likewise.
9516         * tree-ssa-alias.c: Likewise.
9517         * tree-ssa-dce.c: Likewise.
9518         * tree-ssa-dom.c: Likewise.
9519         * tree-ssa-forwprop.c: Likewise.
9520         * tree-ssa-loop-im.c: Likewise.
9521         * tree-ssa-loop-ivcanon.c: Likewise.
9522         * tree-ssa-loop-ivopts.c: Likewise.
9523         * tree-ssa-loop-niter.c: Likewise.
9524         * tree-ssa-phionlycprop.c: Likewise.
9525         * tree-ssa-phiopt.c: Likewise.
9526         * tree-ssa-propagate.c: Likewise.
9527         * tree-ssa-threadedge.c: Likewise.
9528         * tree-ssa-threadupdate.c: Likewise.
9529         * tree-ssa-uninit.c: Likewise.
9530         * tree-ssanames.c: Likewise.
9531         * tree-streamer-out.c: Likewise.
9532         * tree.c: Likewise.
9533         * tree.h: Likewise.
9534         * vr-values.c: Likewise.
9535
9536 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9537
9538         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9539         (ix86_split_xorsign): Ditto.
9540         * config/i386/i386.c (ix86_expand_xorsign): New function.
9541         (ix86_split_xorsign): Ditto.
9542         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9543         (xorsign<mode>3): New expander.
9544         (xorsign<mode>3_1): New insn_and_split pattern.
9545         * config/i386/sse.md (xorsign<mode>3): New expander.
9546
9547 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9548
9549         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9550         (*tablejump_sp64): Likewise.
9551         (*tablejump<P:mode>): ...this.
9552         (*call_address_sp32): Merge into...
9553         (*call_address_sp64): Likewise.
9554         (*call_address<P:mode>): ...this.
9555         (*call_symbolic_sp32): Merge into...
9556         (*call_symbolic_sp64): Likewise.
9557         (*call_symbolic<P:mode>): ...this.
9558         (call_value): Remove constraint and add predicate.
9559         (*call_value_address_sp32): Merge into...
9560         (*call_value_address_sp64): Likewise.
9561         (*call_value_address<P:mode>): ...this.
9562         (*call_value_symbolic_sp32): Merge into...
9563         (*call_value_symbolic_sp64): Likewise.
9564         (*call_value_symbolic<P:mode>): ...this.
9565         (*sibcall_symbolic_sp32): Merge into...
9566         (*sibcall_symbolic_sp64): Likewise.
9567         (*sibcall_symbolic<P:mode>): ...this.
9568         (sibcall_value): Remove constraint and add predicate.
9569         (*sibcall_value_symbolic_sp32): Merge into...
9570         (*sibcall_value_symbolic_sp64): Likewise.
9571         (*sibcall_value_symbolic<P:mode>): ...this.
9572         (window_save): Minor tweak.
9573         (*branch_sp32): Merge into...
9574         (*branch_sp64): Likewise.
9575         (*branch<P:mode>): ...this.
9576
9577 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9578             James Clarke  <jrtc27@jrtc27.com>
9579
9580         PR target/84010
9581         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9582         consistently in TLS address generation and adjust code to the renaming
9583         of patterns.  Mark calls to __tls_get_addr as const.
9584         * config/sparc/sparc.md (tgd_hi22): Turn into...
9585         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9586         (tgd_lo10): Turn into...
9587         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9588         (tgd_add32): Merge into...
9589         (tgd_add64): Likewise.
9590         (tgd_add<P:mode>): ...this and use Pmode throughout.
9591         (tldm_hi22): Turn into...
9592         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9593         (tldm_lo10): Turn into...
9594         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9595         (tldm_add32): Merge into...
9596         (tldm_add64): Likewise.
9597         (tldm_add<P:mode>): ...this and use Pmode throughout.
9598         (tldm_call32): Merge into...
9599         (tldm_call64): Likewise.
9600         (tldm_call<P:mode>): ...this and use Pmode throughout.
9601         (tldo_hix22): Turn into...
9602         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9603         (tldo_lox10): Turn into...
9604         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9605         (tldo_add32): Merge into...
9606         (tldo_add64): Likewise.
9607         (tldo_add<P:mode>): ...this and use Pmode throughout.
9608         (tie_hi22): Turn into...
9609         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9610         (tie_lo10): Turn into...
9611         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9612         (tie_ld64): Use DImode throughout.
9613         (tie_add32): Merge into...
9614         (tie_add64): Likewise.
9615         (tie_add<P:mode>): ...this and use Pmode throughout.
9616         (tle_hix22_sp32): Merge into...
9617         (tle_hix22_sp64): Likewise.
9618         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9619         (tle_lox22_sp32): Merge into...
9620         (tle_lox22_sp64): Likewise.
9621         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9622         (*tldo_ldub_sp32): Merge into...
9623         (*tldo_ldub_sp64): Likewise.
9624         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9625         (*tldo_ldub1_sp32): Merge into...
9626         (*tldo_ldub1_sp64): Likewise.
9627         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9628         (*tldo_ldub2_sp32): Merge into...
9629         (*tldo_ldub2_sp64): Likewise.
9630         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9631         (*tldo_ldsb1_sp32): Merge into...
9632         (*tldo_ldsb1_sp64): Likewise.
9633         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9634         (*tldo_ldsb2_sp32): Merge into...
9635         (*tldo_ldsb2_sp64): Likewise.
9636         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9637         (*tldo_ldub3_sp64): Use DImode throughout.
9638         (*tldo_ldsb3_sp64): Likewise.
9639         (*tldo_lduh_sp32): Merge into...
9640         (*tldo_lduh_sp64): Likewise.
9641         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9642         (*tldo_lduh1_sp32): Merge into...
9643         (*tldo_lduh1_sp64): Likewise.
9644         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9645         (*tldo_ldsh1_sp32): Merge into...
9646         (*tldo_ldsh1_sp64): Likewise.
9647         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9648         (*tldo_lduh2_sp64): Use DImode throughout.
9649         (*tldo_ldsh2_sp64): Likewise.
9650         (*tldo_lduw_sp32): Merge into...
9651         (*tldo_lduw_sp64): Likewise.
9652         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9653         (*tldo_lduw1_sp64): Use DImode throughout.
9654         (*tldo_ldsw1_sp64): Likewise.
9655         (*tldo_ldx_sp64): Likewise.
9656         (*tldo_stb_sp32): Merge into...
9657         (*tldo_stb_sp64): Likewise.
9658         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9659         (*tldo_sth_sp32): Merge into...
9660         (*tldo_sth_sp64): Likewise.
9661         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9662         (*tldo_stw_sp32): Merge into...
9663         (*tldo_stw_sp64): Likewise.
9664         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9665         (*tldo_stx_sp64): Use DImode throughout.
9666
9667 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9668
9669         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9670         check configure option to set BTI and Return Address Signing.
9671         * configure.ac: Add --enable-standard-branch-protection and
9672         --disable-standard-branch-protection.
9673         * configure: Regenerated.
9674         * doc/install.texi: Document the same.
9675
9676 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9677             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9678
9679         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9680         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9681         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9682         if bti is enabled.
9683         * config/aarch64/aarch64-bti-insert.c: New file.
9684         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9685         pass.
9686         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9687         new bti pass.
9688         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9689         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9690         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9691         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9692
9693 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9694
9695         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9696         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9697         Disable bti for -mbranch-protection=none.
9698         (aarch64_handle_standard_branch_protection): Enable bti for
9699         -mbranch-protection=standard.
9700         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9701         -mbranch-protection.
9702         (aarch64_bti_enabled): Check if bti is enabled.
9703         * config/aarch64/aarch64.opt: Declare target variable.
9704         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9705
9706 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9707
9708         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9709         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9710         (aarch64_expand_epilogue): Likewise.
9711         (aarch64_output_mi_thunk): Likewise
9712         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9713         TAILCALL_ADDR_REGS to x16 and x17.
9714         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9715
9716 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9717
9718         * config/aarch64/aarch64-option-extensions.def: Define
9719         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9720         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9721         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9722         (AARCH64_FL_PREDRES): New.
9723         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9724         AARCH64_FL_PREDRES by default.
9725         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9726
9727 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9728
9729         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9730         ARMv8.5-A.
9731         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9732         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9733         * doc/invoke.texi: Document ARMv8.5-A.
9734
9735 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9736
9737         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9738         (xorsign<mode>3): Likewise.
9739
9740 2019-01-09  Jelinek  <jakub@redhat.com>
9741
9742         PR middle-end/88758
9743         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9744         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9745
9746         PR rtl-optimization/88331
9747         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9748         not currently_expanding_to_rtl.
9749
9750 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9751
9752         * doc/invoke.texi (-Os): Remove trailing spaces.
9753         (-finline-functions): Remove reference to -O2.
9754
9755 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9756
9757         PR rtl-optimization/79593
9758         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9759
9760         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9761         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9762
9763 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9764
9765         PR bootstrap/88721
9766         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9767         to -1 on entry.
9768
9769         PR debug/88723
9770         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9771         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9772
9773 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9774
9775         PR target/88717
9776         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9777         ix86_avx_u128_mode_entry.
9778
9779 2019-01-08  Martin Liska  <mliska@suse.cz>
9780
9781         PR tree-optimization/88753
9782         * tree-switch-conversion.c (switch_conversion::build_one_array):
9783         Come up with local variable constructor.  Convert first to
9784         type of constructor values.
9785
9786 2019-01-08  Richard Biener  <rguenther@suse.de>
9787
9788         PR tree-optimization/86554
9789         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9790         rpo_avail): Move earlier.
9791         (visit_nary_op): When value-numbering to expressions
9792         with different overflow behavior make sure there's an
9793         available expression on the path.
9794
9795 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9796
9797         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9798         aarch64_parse_branch_protection,
9799         struct aarch64_branch_protect_type,
9800         aarch64_handle_no_branch_protection,
9801         aarch64_handle_standard_branch_protection,
9802         aarch64_validate_mbranch_protection,
9803         aarch64_handle_pac_ret_protection,
9804         aarch64_handle_attr_branch_protection,
9805         accepted_branch_protection_string,
9806         aarch64_pac_ret_subtypes,
9807         aarch64_branch_protect_types,
9808         aarch64_handle_pac_ret_leaf): Define.
9809         (aarch64_override_options_after_change_1, aarch64_override_options):
9810         Add check for accepted_branch_protection_string.
9811         (aarch64_option_save): Save accepted_branch_protection_string.
9812         (aarch64_option_restore): Save accepted_branch_protection_string.
9813         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9814         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9815         msign-return-address.
9816         * doc/invoke.texi: Add mbranch-protection.
9817
9818 2019-01-08  Alan Modra  <amodra@gmail.com>
9819
9820         PR target/88614
9821         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9822         Delete "unknownp" parameter.  Adjust callers.  Handle
9823         CONST_INT, PLUS, MINUS, and MULT.
9824         (attr_value_aligned): Renamed from or_attr_value.
9825         (min_attr_value): Return INT_MIN for unhandled rtl case..
9826         (min_fn): ..and translate to INT_MAX here.
9827         (write_length_unit_log): Modify to cope without "unknown".
9828         (write_attr_value): Handle IF_THEN_ELSE.
9829
9830 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9831
9832         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9833         optimization for masked stores.
9834
9835 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9836
9837         PR middle-end/88567
9838         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9839         output vector directly to duplicate_and_interleave instead of
9840         going through a temporary.  Postpone insertion of ctor_seq to
9841         the end of the loop.
9842
9843 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9844
9845         PR target/86891
9846         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9847         unsigned_p.  Handle signed and unsigned overflow correction as
9848         required.
9849         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9850         prototype.
9851         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9852         for operand 2.
9853         (add<mode>3_compareV_imm): Make this callable for expanding.
9854         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9855         aarch64_plus_operand for operand 2.
9856         (subv<GPI:mode>_insn): New insn pattern.
9857         (subv<GPI:mode>_imm): Likewise.
9858         (negv<GPI:mode>3): New expand pattern.
9859         (negv<GPI:mode>_insn): New insn pattern.
9860         (negv<GPI:mode>_cmp_only): Likewise.
9861         (cmpv<GPI:mode>_insn): Likewise.
9862         (subvti4): Use register_operand for operand 1.  Update call to
9863         aarch64_expand_subvti.
9864         (usubvti4): Likewise.
9865         (negvti3): New expand pattern.
9866         (negdi_carryout): New insn pattern.
9867         (negvdi_carryinV): New insn pattern.
9868         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9869         version the named version.
9870         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9871         operands.
9872         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9873         patterns.
9874         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9875         patterns.
9876         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9877         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9878         (sub<mode>3_carryinCV): Delete.
9879         (sub<GPI:mode>3_carryinV): New expand pattern.
9880         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9881
9882 2019-01-07  Richard Biener  <rguenther@suse.de>
9883
9884         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9885         of tree_operand_hash.
9886
9887 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9888
9889         PR tree-optimization/88598
9890         * tree.h (single_nonzero_element): Declare.
9891         * tree.c (single_nonzero_element): New function.
9892         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9893         if I is the only nonzero element of CST.
9894
9895 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9896
9897         PR tree-optimization/88598
9898         * tree.h (initializer_each_zero_or_onep): Declare.
9899         * tree.c (initializer_each_zero_or_onep): New function.
9900         (signed_or_unsigned_type_for): Handle float types too.
9901         (unsigned_type_for, signed_type_for): Update comments accordingly.
9902         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9903         x & { 0 or -1, 0 or -1, ... }.
9904
9905 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9906
9907         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9908         with x86_64-pc-linux-gnu.
9909
9910 2019-01-07  Tom de Vries  <tdevries@suse.de>
9911
9912         PR target/85486
9913         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9914         function.
9915         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9916         routines.
9917
9918 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9919
9920         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9921         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9922         TARGET_AVX512F as condition.
9923
9924         PR debug/88723
9925         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9926         const_not_ok_for_debug_p target hook.
9927         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9928         on UNSPEC and subexpressions thereof if all subexpressions of the
9929         UNSPEC are CONSTANT_P.
9930
9931         PR tree-optimization/88676
9932         * tree-ssa-phiopt.c (two_value_replacement): New function.
9933         (tree_ssa_phiopt_worker): Call it.
9934
9935         PR sanitizer/88619
9936         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9937         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9938
9939         PR c++/85052
9940         * tree-vect-generic.c: Include insn-config.h and recog.h.
9941         (expand_vector_piecewise): Add defaulted ret_type argument,
9942         if non-NULL, use that in preference to type for the result type.
9943         (expand_vector_parallel): Formatting fix.
9944         (do_vec_conversion, do_vec_narrowing_conversion,
9945         expand_vector_conversion): New functions.
9946         (expand_vector_operations_1): Call expand_vector_conversion
9947         for VEC_CONVERT ifn calls.
9948         * internal-fn.def (VEC_CONVERT): New internal function.
9949         * internal-fn.c (expand_VEC_CONVERT): New function.
9950         * fold-const-call.c (fold_const_vec_convert): New function.
9951         (fold_const_call): Use it for CFN_VEC_CONVERT.
9952         * doc/extend.texi (__builtin_convertvector): Document.
9953
9954 2019-01-07  Tom de Vries  <tdevries@suse.de>
9955
9956         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9957         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9958         vector_red_partition, vector_red_sym): New global variables.
9959         (nvptx_option_override): Initialize vector_red_sym.
9960         (nvptx_declare_function_name): Restore red_partition register.
9961         (nvptx_file_end): Emit code to declare the vector reduction variables.
9962         (nvptx_output_red_partition): New function.
9963         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9964         large vector reductions.
9965         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9966         (nvptx_init_builtins): Add VECTOR_ADDR.
9967         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9968         Handle nvptx_expand_shared_addr.
9969         (nvptx_get_shared_red_addr): Add vector argument and handle large
9970         vectors.
9971         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9972         large vectors.
9973         (nvptx_goacc_reduction_init): Likewise.
9974         (nvptx_goacc_reduction_fini): Likewise.
9975         (nvptx_goacc_reduction_teardown): Likewise.
9976         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9977         init,fini,teardown}.
9978         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9979         (nvptx_set_current_function): Init vector_red_partition.
9980         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9981         (nvptx_red_partition): New insn.
9982         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9983
9984 2019-01-07  Tom de Vries  <tdevries@suse.de>
9985
9986         PR target/85381
9987         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9988         empty loops.
9989
9990 2019-01-07  Tom de Vries  <tdevries@suse.de>
9991
9992         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9993         (nvptx_option_override): Init oacc_bcast_partition.
9994         (nvptx_init_oacc_workers): New function.
9995         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9996         (nvptx_needs_shared_bcast): New function.
9997         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9998         to propagate state.
9999         (nvptx_shared_propagate): Initialize vector bcast partition and
10000         synchronization state.
10001         (nvptx_single):  Generalize to enable vectors to use shared-memory
10002         to propagate state.
10003         (nvptx_process_pars): Likewise.
10004         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
10005         * config/nvptx/nvptx.h (struct machine_function): Add
10006         bcast_partition and sync_bar members.
10007
10008 2019-01-07  Tom de Vries  <tdevries@suse.de>
10009
10010         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
10011         (nvptx_apply_dim_limits): New function.
10012         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
10013         PTX_WARP_SIZE.
10014
10015 2019-01-07  Tom de Vries  <tdevries@suse.de>
10016
10017         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
10018         as late as possible.
10019
10020 2019-01-07  Tom de Vries  <tdevries@suse.de>
10021
10022         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
10023         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
10024         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
10025         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
10026         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
10027
10028 2019-01-07  Tom de Vries  <tdevries@suse.de>
10029
10030         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
10031
10032 2019-01-07  Tom de Vries  <tdevries@suse.de>
10033
10034         * omp-offload.c (oacc_get_min_dim): New function.
10035         * omp-offload.h (oacc_get_min_dim): Declare.
10036
10037 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
10038
10039         PR target/88521
10040         * config/i386/i386.c (function_value_ms_64): Return small sturct in
10041         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
10042
10043 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10044
10045         PR tree-opt/86020
10046         Revert:
10047         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
10048
10049         * ipa-inline.c (edge_badness): Use inlined_time instead of
10050         inline_summaries->get.
10051
10052 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10053
10054         * opts.c (enable_fdo_optimizations): Enable
10055         version-loops-for-strides, loop-interchange, unrol-and-jam
10056         and tree-loop-distribution.
10057         * invoke.texi: Document newly enabled options.
10058
10059 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10060
10061         * doc/invoke.texi (max-inline-insns-small): New parameters.
10062         * ipa-inline.c (want_early_inline_function_p): simplify.
10063         (want_inline_small_function_p): Fix pasto from previous patch;
10064         use max-inline-insns-small bound.
10065         * params.def (max-inline-insns-small): New param.
10066         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
10067         variables correctly.
10068
10069 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10070
10071         * doc/invoke.texi: Document max-inline-insns-size,
10072         uninlined-function-insns, uninlined-function-time,
10073         uninlined-thunk-insns and uninlined-thunk-time.
10074         * params.def: Add max-inline-insns-size,
10075         uninlined-function-insns, uninlined-function-time,
10076         uninlined-thunk-insns and uninlined-thunk-time.
10077         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
10078         new parameters.
10079         * ipa-inline.c (can_inline_edge_by_limits_p,
10080         want_inline_small_function_p): Use new parameters.
10081
10082 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10083
10084         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
10085
10086 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
10087
10088         PR middle-end/82564
10089         PR target/88620
10090         * expr.c (expand_assignment): For calls returning VLA structures
10091         if to_rtx is not a MEM, force it into a stack temporary.
10092
10093         PR debug/88635
10094         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
10095         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
10096         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
10097         subexpressions of both operands.
10098         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
10099         subrtxes are CONSTANT_P.
10100         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
10101         2018-11-09 changes.
10102
10103 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
10104
10105         * params.def (hot-bb-count-ws-permille): Set to 990.
10106
10107 2019-01-04  Martin Sebor  <msebor@redhat.com>
10108
10109         PR c/88546
10110         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
10111         leaf.
10112
10113 2019-01-04  Martin Sebor  <msebor@redhat.com>
10114
10115         PR c/88363
10116         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
10117
10118 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10119
10120         * gdbinit.in: Turn off pagination for the skip commands, restore
10121         it to previous state afterwards.
10122
10123 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
10124
10125         PR target/88594
10126         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
10127         of GET_MODE (opN) as modes of the libcall arguments.
10128
10129 2019-01-04  Jan Beulich  <jbeulich@suse.com>
10130
10131         * config/i386/sse.md
10132         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
10133         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
10134         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10135         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
10136         avx512f_vmcmp<mode>3<round_saeonly_name>,
10137         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
10138         avx512f_maskcmp<mode>3,
10139         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10140         <avx512>_cvt<ssemodesuffix>2mask<mode>,
10141         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10142         *<avx512>_cvtmask2<ssemodesuffix><mode>,
10143         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10144         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
10145         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10146         <avx512>_gt<mode>3<mask_scalar_merge_name>,
10147         <avx512>_testm<mode>3<mask_scalar_merge_name>,
10148         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
10149         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
10150         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
10151         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
10152         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
10153         avx512cd_maskb_vec_dup<mode>,
10154         avx512cd_maskw_vec_dup<mode>,
10155         avx512dq_fpclass<mode><mask_scalar_merge_name>,
10156         avx512dq_vmfpclass<mode>,
10157         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
10158         instead of =Yk.
10159
10160 2019-01-03  Martin Sebor  <msebor@redhat.com>
10161
10162         PR tree-optimization/88659
10163         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
10164
10165 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
10166
10167         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
10168         unaligned vsx and avoid lxvd2x/stxvd2x.
10169         (gen_lvx_v4si_move): New function.
10170
10171 2019-01-03  Tom de Vries  <tdevries@suse.de>
10172
10173         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
10174         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
10175         function.
10176         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
10177
10178 2019-01-03  Tom de Vries  <tdevries@suse.de>
10179
10180         * config/nvptx/nvptx.c (struct offload_attrs): New.
10181         (populate_offload_attrs): New function.  Factor mask extraction out of
10182         nvptx_reorg.  Add extraction of dimensions.
10183         (nvptx_reorg): Use populate_offload_attrs.
10184
10185 2019-01-03  Tom de Vries  <tdevries@suse.de>
10186
10187         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
10188         cases for oacc_min_dims_p and routine_p.  Add asserts for
10189         oacc_default_dims_p and offload_region_p.
10190
10191 2019-01-03  Tom de Vries  <tdevries@suse.de>
10192
10193         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
10194         factored out of ...
10195         (nvptx_goacc_validate_dims): ... here.
10196
10197 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10198
10199         PR tree-optimization/85574
10200         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
10201         structure.
10202         (struct ssa_equip_hash_traits): Declare.
10203         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
10204
10205 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
10206
10207         PR debug/88644
10208         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
10209         change it to qualified_type.
10210
10211 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
10212
10213         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
10214         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
10215
10216 2019-01-02  Martin Sebor  <msebor@redhat.com>
10217             Jeff Law  <law@redhat.com>
10218
10219         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
10220         (get_range_strlen_tree): Update appropriately.
10221         (get_range_strlen)
10222         * gimple-fold.h (get_range_strlen): Drop unused last argument.
10223
10224         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
10225         rather than set_range_info.
10226         * tree-ssa-strlen.c (set_strlen_range): Extracted from
10227         maybe_set_strlen_range.  Handle potentially boundary crossing
10228         cases more conservatively.
10229         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
10230         Call set_strlen_range.
10231         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
10232
10233         PR middle-end/88663
10234         * gimple-fold.c (get_range_strlen): Update prototype to no longer
10235         need the flexp argument.
10236         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
10237         from calls to get_range_strlen.  Update comments.  Just update
10238         VAL for an unterminated const char array and let the reset of the
10239         code handle it normally.  No longer try to set *flexp.  Adjust
10240         return value.
10241         (get_range_strlen): Update for the new get_range_strlen API.
10242         (get_maxval_strlen): Similarly.
10243         (gimple_fold_builtin_strlen): Handle update meaning of return value
10244         from get_range_strlen.
10245         * gimple-ssa-sprintf.c (get_string_length): Update for the new
10246         get_range_strlen API.
10247
10248 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
10249
10250         PR lto/88130
10251         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
10252         false at WPA time when body was removed.
10253
10254 2019-01-02  Martin Liska  <mliska@suse.cz>
10255
10256         PR tree-optimization/88650
10257         * predict.c (set_even_probabilities): Calculate probability
10258         remainer only when really used.
10259
10260 2019-01-02  Richard Biener  <rguenther@suse.de>
10261
10262         PR middle-end/88651
10263         * tree-data-ref.c (analyze_subscript_affine_affine): Use
10264         widest_ints when mangling max_stmt_execution results.
10265
10266 2019-01-02  Richard Biener  <rguenther@suse.de>
10267
10268         PR tree-optimization/88621
10269         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
10270         bitfields when canoncalizing.
10271
10272 2019-01-02  Richard Biener  <rguenther@suse.de>
10273
10274         PR target/87545
10275         * config/i386/x86-tune-costs.h (intel_cost): Adjust
10276         cost of cheap SSE instruction.
10277
10278 2019-01-02  Richard Biener  <rguenther@suse.de>
10279
10280         PR ipa/85574
10281         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
10282         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
10283         function.
10284         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
10285         set after UIDs before splitting them.
10286
10287 2019-01-01  Martin Sebor  <msebor@redhat.com>
10288             Jeff Law  <law@redhat.com>
10289
10290         * gimple-fold.c (get_range_strlen_tree): Record if the computed
10291         length is optimistic.  If it is, then arrange to compute the
10292         conservative length as well.
10293
10294         * gimple-fold.h (get_range_strlen): Update prototype.
10295         * builtins.c (check_access): Update call to get_range_strlen to use
10296         c_strlen_data pointer.   Change various variable accesses to instead
10297         pull data from the c_strlen_data structure.
10298         (check_strncat_sizes, expand_builtin_strncat): Likewise.
10299         * calls.c (maybe_warn_nonstring_arg): Likewise.
10300         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
10301         minimum length if maximum lengh is unknown.
10302         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
10303         that used c_strlen, it's no longer needed.  Restructure slightly.
10304         (format_string): Set unlikely range appropriately.
10305         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
10306         formatting issues.
10307         (get_range_strlen):  Accept c_strlen_data pointer for external
10308         call sites as well.  Pass through to call to internal get_range_strlen.
10309         Adjust minlen, maxlen and maxbound as needed.
10310         (get_maxval_strlen): Update comments.
10311         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
10312         to use c_strlen_data pointer.  Change variable accesses to instead
10313         use c_strlen_data data members.
10314
10315         * gimple-fold.c (get_range_strlen): Update prototype.
10316         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
10317         local variables.  Use pdata to return information to caller.
10318         Update calls to get_range_strlen.  Update pdata->maxbound.
10319         (get_range_strlen -- static version): Similarly.
10320         (get_range_strlen -- extern version): Update for internal
10321         get_range_strlen API change.  Convert to external data format.
10322         (get_maxval_strlen): Similarly.
10323
10324 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10325
10326         * coverage.c (get_coverage_counts): Use current_function_decl.
10327         * profile.c (read_thunk_profile): New function.
10328         (branch_prob): Add THUNK parameter.
10329         * tree-profile.c (tree_profiling): Handle thunks.
10330         * value-prof.c (init_node_map): Handle thunks.
10331         * value-prof.h (branch_prob): Upate prototype.
10332         (read_thunk_profile): Declare.
10333
10334 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10335
10336         Update copyright years.
10337
10338         * gcc.c (process_command): Update copyright notice dates.
10339         * gcov-dump.c (print_version): Ditto.
10340         * gcov.c (print_version): Ditto.
10341         * gcov-tool.c (print_version): Ditto.
10342         * gengtype.c (create_file): Ditto.
10343         * doc/cpp.texi: Bump @copying's copyright year.
10344         * doc/cppinternals.texi: Ditto.
10345         * doc/gcc.texi: Ditto.
10346         * doc/gccint.texi: Ditto.
10347         * doc/gcov.texi: Ditto.
10348         * doc/install.texi: Ditto.
10349         * doc/invoke.texi: Ditto.
10350 \f
10351 Copyright (C) 2019 Free Software Foundation, Inc.
10352
10353 Copying and distribution of this file, with or without modification,
10354 are permitted in any medium without royalty provided the copyright
10355 notice and this notice are preserved.