gcc/ChangeLog

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