gcc/ChangeLog

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