gcc/ChangeLog

   1 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
   2
   3         * regs.h (hard_regno_nregs): Turn into a function.
   4         (end_hard_regno): Update accordingly.
   5         * caller-save.c (setup_save_areas): Likewise.
   6         (save_call_clobbered_regs): Likewise.
   7         (replace_reg_with_saved_mem): Likewise.
   8         (insert_restore): Likewise.
   9         (insert_save): Likewise.
  10         * combine.c (can_change_dest_mode): Likewise.
  11         (move_deaths): Likewise.
  12         (distribute_notes): Likewise.
  13         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
  14         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
  15         (rs6000_split_multireg_move): Likewise.
  16         (rs6000_register_move_cost): Likewise.
  17         (rs6000_memory_move_cost): Likewise.
  18         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
  19         (rs6000_split_multireg_move): Likewise.
  20         (rs6000_register_move_cost): Likewise.
  21         (rs6000_memory_move_cost): Likewise.
  22         * cselib.c (cselib_reset_table): Likewise.
  23         (cselib_lookup_1): Likewise.
  24         * emit-rtl.c (set_mode_and_regno): Likewise.
  25         * function.c (aggregate_value_p): Likewise.
  26         * ira-color.c (setup_profitable_hard_regs): Likewise.
  27         (check_hard_reg_p): Likewise.
  28         (calculate_saved_nregs): Likewise.
  29         (assign_hard_reg): Likewise.
  30         (improve_allocation): Likewise.
  31         (calculate_spill_cost): Likewise.
  32         * ira-emit.c (modify_move_list): Likewise.
  33         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
  34         (ira_hard_reg_in_set_p): Likewise.
  35         * ira.c (setup_reg_mode_hard_regset): Likewise.
  36         (clarify_prohibited_class_mode_regs): Likewise.
  37         (check_allocation): Likewise.
  38         * lra-assigns.c (find_hard_regno_for_1): Likewise.
  39         (lra_setup_reg_renumber): Likewise.
  40         (setup_try_hard_regno_pseudos): Likewise.
  41         (spill_for): Likewise.
  42         (assign_hard_regno): Likewise.
  43         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
  44         * lra-constraints.c (in_class_p): Likewise.
  45         (lra_constraint_offset): Likewise.
  46         (simplify_operand_subreg): Likewise.
  47         (lra_constraints): Likewise.
  48         (split_reg): Likewise.
  49         (split_if_necessary): Likewise.
  50         (invariant_p): Likewise.
  51         (inherit_in_ebb): Likewise.
  52         * lra-lives.c (process_bb_lives): Likewise.
  53         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
  54         (get_hard_regs): Likewise.
  55         (do_remat): Likewise.
  56         * lra-spills.c (assign_spill_hard_regs): Likewise.
  57         * mode-switching.c (create_pre_exit): Likewise.
  58         * postreload.c (reload_combine_recognize_pattern): Likewise.
  59         * recog.c (peep2_find_free_register): Likewise.
  60         * regcprop.c (kill_value_regno): Likewise.
  61         (set_value_regno): Likewise.
  62         (copy_value): Likewise.
  63         (maybe_mode_change): Likewise.
  64         (find_oldest_value_reg): Likewise.
  65         (copyprop_hardreg_forward_1): Likewise.
  66         * regrename.c (check_new_reg_p): Likewise.
  67         (regrename_do_replace): Likewise.
  68         * reload.c (push_reload): Likewise.
  69         (combine_reloads): Likewise.
  70         (find_dummy_reload): Likewise.
  71         (operands_match_p): Likewise.
  72         (find_reloads): Likewise.
  73         (find_equiv_reg): Likewise.
  74         (reload_adjust_reg_for_mode): Likewise.
  75         * reload1.c (count_pseudo): Likewise.
  76         (count_spilled_pseudo): Likewise.
  77         (find_reg): Likewise.
  78         (clear_reload_reg_in_use): Likewise.
  79         (free_for_value_p): Likewise.
  80         (allocate_reload_reg): Likewise.
  81         (choose_reload_regs): Likewise.
  82         (reload_adjust_reg_for_temp): Likewise.
  83         (emit_reload_insns): Likewise.
  84         (delete_output_reload): Likewise.
  85         * rtlanal.c (subreg_get_info): Likewise.
  86         * sched-deps.c (sched_analyze_reg): Likewise.
  87         * sel-sched.c (init_regs_for_mode): Likewise.
  88         (mark_unavailable_hard_regs): Likewise.
  89         (choose_best_reg_1): Likewise.
  90         (verify_target_availability): Likewise.
  91         * valtrack.c (dead_debug_insert_temp): Likewise.
  92         * var-tracking.c (track_loc_p): Likewise.
  93         (emit_note_insn_var_location): Likewise.
  94         * varasm.c (make_decl_rtl): Likewise.
  95         * reginfo.c (choose_hard_reg_mode): Likewise.
  96         (init_reg_modes_target): Refer directly to
  97         this_target_regs->x_hard_regno_nregs.
  98
  99 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 100
 101         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
 102         instead of hard_regno_nregs.
 103
 104 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 105
 106         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
 107         end_hard_regno instead of hard_regno_nregs.
 108         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
 109         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
 110         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
 111         * ira-color.c (improve_allocation): Likewise.
 112         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 113         * lra-lives.c (mark_regno_live): Likewise.
 114         (mark_regno_dead): Likewise.
 115         * lra-remat.c (operand_to_remat): Likewise.
 116         * lra.c (collect_non_operand_hard_regs): Likewise.
 117         * postreload.c (reload_combine_note_store): Likewise.
 118         (move2add_valid_value_p): Likewise.
 119         * reload.c (regno_clobbered_p): Likewise.
 120
 121 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 122
 123         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
 124         hard_regno_nregs.
 125         * config/v850/v850.c (v850_reorg): Likewise.
 126         * reload.c (refers_to_regno_for_reload_p): Likewise.
 127         (find_equiv_reg): Likewise.
 128         * reload1.c (reload_reg_reaches_end_p): Likewise.
 129
 130 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 131
 132         * caller-save.c (add_used_regs): Use REG_NREGS instead of
 133         hard_regno_nregs.
 134         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
 135         * config/arm/arm.c (output_move_neon): Likewise.
 136         (arm_attr_length_move_neon): Likewise.
 137         (neon_split_vcombine): Likewise.
 138         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
 139         (c6x_mark_reg_written): Likewise.
 140         (c6x_dwarf_register_span): Likewise.
 141         * config/i386/i386.c (ix86_save_reg): Likewise.
 142         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
 143         (rws_access_reg): Likewise.
 144         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
 145         * mode-switching.c (create_pre_exit): Likewise.
 146         * ree.c (combine_reaching_defs): Likewise.
 147         (add_removable_extension): Likewise.
 148         * regcprop.c (find_oldest_value_reg): Likewise.
 149         (copyprop_hardreg_forward_1): Likewise.
 150         * reload.c (reload_inner_reg_of_subreg): Likewise.
 151         (push_reload): Likewise.
 152         (combine_reloads): Likewise.
 153         (find_dummy_reload): Likewise.
 154         (reload_adjust_reg_for_mode): Likewise.
 155         * reload1.c (find_reload_regs): Likewise.
 156         (forget_old_reloads_1): Likewise.
 157         (reload_reg_free_for_value_p): Likewise.
 158         (reload_adjust_reg_for_temp): Likewise.
 159         (emit_reload_insns): Likewise.
 160         (delete_output_reload): Likewise.
 161         * sel-sched.c (choose_best_reg_1): Likewise.
 162         (choose_best_pseudo_reg): Likewise.
 163
 164 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 165             Alan Hayward  <alan.hayward@arm.com>
 166             David Sherwood <david.sherwood@arm.com>
 167
 168         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
 169         * target.def (slow_unaligned_access): New hook.
 170         * targhooks.h (default_slow_unaligned_access): Declare.
 171         * targhooks.c (default_slow_unaligned_access): New function.
 172         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
 173         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
 174         * doc/tm.texi: Regenerate.
 175         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
 176         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
 177         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
 178         definition.
 179         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
 180         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
 181         Redefine.
 182         (rs6000_slow_unaligned_access): New function.
 183         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 184         (expand_block_compare): Likewise.
 185         (expand_strn_compare): Likewise.
 186         (rs6000_rtx_costs): Likewise.
 187         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
 188         (riscv_slow_unaligned_access): Likewise.
 189         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
 190         (riscv_slow_unaligned_access_p): ...this and make static.
 191         (riscv_option_override): Update accordingly.
 192         (riscv_slow_unaligned_access): New function.
 193         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 194         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
 195         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 196         (rs6000_slow_unaligned_access): New function.
 197         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 198         (rs6000_rtx_costs): Likewise.
 199         * config/rs6000/rs6000-string.c (expand_block_compare)
 200         (expand_strn_compare): Use targetm.slow_unaligned_access instead
 201         of SLOW_UNALIGNED_ACCESS.
 202         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
 203         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
 204         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
 205         of SLOW_UNALIGNED_ACCESS.
 206         * expmed.c (simple_mem_bitfield_p): Likewise.
 207         * expr.c (alignment_for_piecewise_move): Likewise.
 208         (emit_group_load_1): Likewise.
 209         (emit_group_store): Likewise.
 210         (copy_blkmode_from_reg): Likewise.
 211         (emit_push_insn): Likewise.
 212         (expand_assignment): Likewise.
 213         (store_field): Likewise.
 214         (expand_expr_real_1): Likewise.
 215         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
 216         * lra-constraints.c (simplify_operand_subreg): Likewise.
 217         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
 218         * gimple-ssa-store-merging.c: Likewise in block comment at start
 219         of file.
 220         * tree-ssa-strlen.c: Include target.h.
 221         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
 222         of SLOW_UNALIGNED_ACCESS.
 223         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
 224
 225 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 226
 227         PR rtl-optimization/82185
 228         * expmed.c (emit_store_flag_int): Only test tem if it has been
 229         initialized.
 230
 231 2017-09-12  Richard Biener  <rguenther@suse.de>
 232
 233         PR middle-end/82149
 234         * match.pd ((FTYPE) N CMP CST): Fix typo.
 235
 236 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
 237
 238         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
 239         attribute.
 240         (mips_near_type_p): Add 'short_call' attribute as a synonym
 241         for 'near'.
 242         * doc/extend.texi (short_call): Document new function attribute.
 243
 244 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 245
 246         PR target/82112
 247         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
 248         assertion check that in the condition.
 249         (get_atomic_generic_size): Likewise.  Before testing if parameter
 250         has pointer type, if it has array type, call for C++
 251         default_conversion to perform array-to-pointer conversion.
 252
 253 2017-09-12  Richard Biener  <rguenther@suse.de>
 254
 255         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
 256         for operations we cannot scalarize.
 257
 258 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
 259
 260         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
 261         vectors heap vectors.  Clean up comments.
 262         Make visited_bbs a reference.
 263         (profitable_jump_thread_path): Make GC
 264         vectors heap vectors.  Clean up comments.
 265         Misc cleanups.
 266         (convert_and_register_jump_thread_path): Make GC vectors heap
 267         vectors.
 268         (check_subpath_and_update_thread_path): Same.  Clean up comments.
 269         Make visited_bbs a reference.
 270         (handle_phi): Abstract common code to to
 271         register_jump_thread_path_if_profitable.
 272         Rename VAR_BB to DEF_BB.
 273         Update comments.
 274         Make GC vectors heap vectors.
 275         Make visited_bbs a reference.
 276         (handle_assignment): Same.
 277         (register_jump_thread_path_if_profitable): New.
 278         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
 279         DEF_BB.
 280         Make GC vectors heap vectors.  Clean up comments.
 281         Make visited_bbs a reference.
 282         (find_jump_threads_backwards): Make visited_bbs live in the stack.
 283         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
 284         comment.
 285
 286 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
 287
 288         PR target/82181
 289         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
 290         words of E_DImode object are reachable by xtensa_uimm8x4 access.
 291
 292 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
 293
 294         Revert r251800 and r251799.
 295
 296 2017-09-11  Martin Jambor  <mjambor@suse.cz>
 297
 298         PR hsa/82119
 299         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
 300         arguments in advance.
 301         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
 302         use it to find predecessor edges.
 303         (naive_outof_ssa): Collect vector of predecessors.
 304
 305 2017-09-08  Jason Merrill  <jason@redhat.com>
 306
 307         PR c++/70029 - ICE with ref-qualifier and -flto
 308         * langhooks.h (struct lang_hooks_for_types): Add
 309         copy_lang_qualifiers.
 310         * attribs.c (build_type_attribute_qual_variant): Use it.
 311         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
 312         NULL.
 313         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
 314         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
 315
 316 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
 317
 318         PR target/81988
 319         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
 320         (*mulsi3_sp64): New instruction.
 321         (mulsi3): New expander.
 322
 323 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
 324
 325         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
 326
 327 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 328
 329         * sancov.c: Include memmodel.h.
 330
 331 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
 332
 333         PR target/80897
 334         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
 335         large offsets.
 336
 337 2017-09-07  Carl Love  <cel@us.ibm.com>
 338
 339         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
 340         the sldi instruction.
 341
 342 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
 343
 344         * sancov.c: Include tm_p.h.
 345
 346 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
 347
 348         PR target/81979
 349         * output.h (switch_to_other_text_partition): New declaration.
 350         * varasm.c (switch_to_other_text_partition): New function.
 351         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
 352         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
 353         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
 354         to the other text partition before emitting LCL label and switch back
 355         after emitting the word after it.
 356
 357 2017-09-07  Richard Biener  <rguenther@suse.de>
 358
 359         * passes.def (pass_split_crit_edges): Remove instance before PRE.
 360         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
 361         critical edges here, after loop init.
 362         (pass_data_pre): Remove PROP_no_crit_edges flags.
 363         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
 364         for valueization of call args to avoid leaking VN_TOP.
 365         (visit_use): Assert we do not visit default defs.
 366         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
 367         Use error_mark_node to more easily detect leaking VN_TOP.
 368         All default-defs are varying, not VN_TOP.  Mark them visited.
 369         (run_scc_vn): Make code match comment.
 370
 371 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 372
 373         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
 374         OPTION_MASK_FLOAT128_KEYWORD.
 375         (POWERPC_MASKS): Likewise.
 376         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
 377         support for the -mfloat128-type option, and make -mfloat128
 378         default on PowerPC Linux systems.  Define or undefine
 379         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
 380         Define __float128 to be __ieee128 if IEEE 128-bit support is
 381         enabled, or undefine it.
 382         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
 383         Delete defining __FLOAT128_TYPE__.
 384         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
 385         -mfloat128-type option and make -mfloat128 default on PowerPC
 386         Linux systems.
 387         (TARGET_FLOAT128_TYPE): Likewise.
 388         (-mfloat128-type): Likewise.
 389         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 390         Delete the -mfloat128-type option and make -mfloat128 default on
 391         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
 392         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
 393         128-bit floating point is enabled.  Change tests from using
 394         -mfloat128-type to -mfloat128.
 395         (rs6000_mangle_type): Use the correct mangling for the __float128
 396         type even if normal long double is restricted to 64-bits.
 397         (floatn_mode): Enable the _Float128 type by default on VSX Linux
 398         systems.
 399         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
 400         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
 401         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
 402         -mfloat128-type.
 403         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
 404         documentation for -mfloat128.
 405
 406 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 407
 408         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
 409
 410 2017-09-06  Wish Wu  <wishwu007@gmail.com>
 411             Jakub Jelinek  <jakub@redhat.com>
 412
 413         * asan.c (initialize_sanitizer_builtins): Add
 414         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
 415         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
 416         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
 417         BT_FN_VOID_UINT64_PTR variables.
 418         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
 419         (BT_FN_VOID_UINT16_UINT16): Likewise.
 420         (BT_FN_VOID_UINT32_UINT32): Likewise.
 421         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
 422         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
 423         (BT_FN_VOID_UINT64_PTR): Likewise.
 424         * common.opt (flag_sanitize_coverage): New variable.
 425         (fsanitize-coverage=trace-pc): Remove.
 426         (fsanitize-coverage=): Add.
 427         * flag-types.h (enum sanitize_coverage_code): New enum.
 428         * fold-const.c (fold_range_test): Disable non-short-circuit
 429         optimization if flag_sanitize_coverage.
 430         (fold_truth_andor): Likewise.
 431         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
 432         * opts.c (COVERAGE_SANITIZER_OPT): Define.
 433         (coverage_sanitizer_opts): New array.
 434         (get_closest_sanitizer_option): Add OPTS argument, handle also
 435         OPT_fsanitize_coverage_.
 436         (parse_sanitizer_options): Adjusted to also handle
 437         OPT_fsanitize_coverage_.
 438         (common_handle_option): Add OPT_fsanitize_coverage_.
 439         * sancov.c (instrument_comparison, instrument_switch): New function.
 440         (sancov_pass): Add trace-cmp support.
 441         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
 442         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
 443         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
 444         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
 445         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
 446         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
 447         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
 448         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
 449         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
 450         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
 451
 452 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 453
 454         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
 455         error.  Only quit immediately if parsing is complete.
 456         (BEGIN): Initialize fatal_err and parse_done.
 457         (begin fpu, end fpu): Check number of arguments.
 458         (begin arch, end arch): Likewise.
 459         (begin cpu, end cpu): Likewise.
 460         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
 461         (optalias): Likewise.
 462
 463 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
 464
 465         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
 466         * config/arm/arm-isa.h: Delete.  Move definitions to ...
 467         * arm-cpus.in: ... here.  Use new feature and fgroup values.
 468         * config/arm/arm.c (arm_option_override): Use lower case for feature
 469         bit names.
 470         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
 471         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
 472         * config/arm/parsecpu.awk (END): Add new command 'isa'.
 473         (isa_pfx): Delete.
 474         (print_isa_bits_for): New function.
 475         (gen_isa): New function.
 476         (gen_comm_data): Use print_isa_bits_for.
 477         (define feature): New keyword.
 478         (define fgroup): New keyword.
 479         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
 480         (arm-isa.h): Add rule to generate file.
 481         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
 482         case for feature bit names.
 483
 484 2017-09-06  Richard Biener  <rguenther@suse.de>
 485
 486         * tree-ssa-pre.c (NECESSARY): Remove.
 487         (create_expression_by_pieces): Do not touch pass-local flags.
 488         (insert_into_preds_of_block): Likewise.
 489         (do_pre_regular_insertion): Likewise.
 490         (eliminate_insert): Likewise.
 491         (eliminate_dom_walker::before_dom_children): Likewise.
 492         (fini_eliminate): Do not look at inserted_exprs.
 493         (mark_operand_necessary): Remove.
 494         (remove_dead_inserted_code): Replace with simple work-list
 495         algorithm based on inserted_exprs and SSA uses.
 496         (pass_pre::execute): Re-order fini_eliminate and
 497         remove_dead_inserted_code.
 498
 499 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 500
 501         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
 502         for VxWorks 7.  Adjust surrounding comments.
 503
 504 2017-09-06  Richard Biener  <rguenther@suse.de>
 505
 506         * gimple-ssa-strength-reduction.c
 507         (find_candidates_dom_walker::before_dom_children): Also allow
 508         pointer types.
 509
 510 2017-09-06  Richard Biener  <rguenther@suse.de>
 511
 512         PR tree-optimization/82108
 513         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
 514         for gap in the non-permutation SLP case.
 515
 516 2017-09-06  Martin Jambor  <mjambor@suse.cz>
 517
 518         PR tree-optimization/82078
 519         * tree-sra.c (sort_and_splice_var_accesses): Move call to
 520         add_access_to_work_queue...
 521         (build_accesses_from_assign): ...here.
 522         (propagate_all_subaccesses): Make sure racc is the group
 523         representative, if there is one.
 524
 525 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
 526
 527         PR middle-end/82095
 528         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
 529         NULL DECL_INITIAL.
 530
 531 2017-09-06  Richard Biener  <rguenther@suse.de>
 532
 533         * gimple-ssa-strength-reduction.c
 534         (find_candidates_dom_walker::before_doom_children): Use a
 535         type and not a mode check.
 536
 537 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 538
 539         PR target/77308
 540         * config/arm/predicates.md (arm_general_adddi_operand): Create new
 541         non-vfp predicate.
 542         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
 543
 544 2017-09-05  Jeff Law  <law@redhat.com>
 545
 546         PR tree-optimization/64910
 547         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
 548         cases where we have 3 or more operands.
 549
 550 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
 551
 552         PR middle-end/81768
 553         * omp-low.c (lower_omp_for): Recompute tree invariant if
 554         gimple_omp_for_initial/final is ADDR_EXPR.
 555
 556         PR middle-end/81768
 557         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
 558         into gimple val before gimplification fo the COND_EXPR.
 559
 560 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
 561
 562         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
 563         REGION_COPY argument.
 564         (thread_through_all_blocks): Remove unused argument to
 565         duplicate_thread_path.
 566
 567 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 568             Alan Hayward  <alan.hayward@arm.com>
 569             David Sherwood  <david.sherwood@arm.com>
 570
 571         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
 572         Take a scalar_mode rather than a machine_mode.
 573         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 574         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
 575         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
 576         (aarch64_gen_adjusted_ldpstp): Likewise.
 577         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
 578
 579 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 580             Alan Hayward  <alan.hayward@arm.com>
 581             David Sherwood  <david.sherwood@arm.com>
 582
 583         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
 584         Take a scalar_int_mode instead of a machine_mode.
 585         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 586         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 587         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 588         (aarch64_simd_attr_length_rglist): Delete.
 589         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
 590         a scalar_int_mode instead of a machine_mode.
 591         (aarch64_add_offset): Likewise.
 592         (aarch64_internal_mov_immediate): Likewise
 593         (aarch64_add_constant_internal): Likewise.
 594         (aarch64_add_constant): Likewise.
 595         (aarch64_movw_imm): Likewise.
 596         (aarch64_rtx_arith_op_extract_p): Likewise.
 597         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
 598         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
 599         Remove assert that the mode isn't a vector.
 600         (aarch64_output_scalar_simd_mov_immediate): Likewise.
 601         (aarch64_expand_mov_immediate): Update calls after above changes.
 602         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
 603         (aarch64_and_bitmask_imm): Check for scalar integer modes.
 604         (aarch64_move_imm): Likewise.
 605         (aarch64_can_const_movi_rtx_p): Likewise.
 606         (aarch64_strip_extend): Likewise.
 607         (aarch64_extr_rtx_p): Likewise.
 608         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
 609         a CONST_INT when the mode parameter is VOIDmode.
 610         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
 611
 612 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 613
 614         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
 615         * stor-layout.c (bitwise_mode_for_mode): Likewise.
 616         (bitwise_type_for_mode): Update accordingly.
 617
 618 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 619
 620         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
 621         * stor-layout.c (mode_for_size_tree): Likewise.
 622         (mode_for_array): Update accordingly.
 623         (layout_decl): Likewise.
 624         (compute_record_mode): Likewise.  Only set the mode once.
 625
 626 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 627
 628         * target.def (get_mask_mode): Change return type to opt_mode.
 629         Expand commentary.
 630         * doc/tm.texi: Regenerate.
 631         * targhooks.h (default_get_mask_mode): Return an opt_mode.
 632         * targhooks.c (default_get_mask_mode): Likewise.
 633         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
 634         * optabs-query.c (can_vec_mask_load_store_p): Update use of
 635         targetm.get_mask_mode.
 636         * tree.c (build_truth_vector_type): Likewise.
 637
 638 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 639
 640         * machmode.h (mode_for_vector): Return an opt_mode.
 641         * stor-layout.c (mode_for_vector): Likewise.
 642         (mode_for_int_vector): Update accordingly.
 643         (layout_type): Likewise.
 644         * config/i386/i386.c (emit_memmov): Likewise.
 645         (ix86_expand_set_or_movmem): Likewise.
 646         (ix86_expand_vector_init): Likewise.
 647         (ix86_get_mask_mode): Likewise.
 648         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
 649         Likewise.
 650         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
 651         * expmed.c (extract_bit_field_1): Likewise.
 652         * expr.c (expand_expr_real_2): Likewise.
 653         * optabs-query.c (can_vec_perm_p): Likewise.
 654         (can_vec_mask_load_store_p): Likewise.
 655         * optabs.c (expand_vec_perm): Likewise.
 656         * targhooks.c (default_get_mask_mode): Likewise.
 657         * tree-vect-stmts.c (vectorizable_store): Likewise.
 658         (vectorizable_load): Likewise.
 659         (get_vectype_for_scalar_type_and_size): Likewise.
 660
 661 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 662
 663         * machmode.h (mode_for_int_vector): New function.
 664         * stor-layout.c (mode_for_int_vector): Likewise.
 665         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
 666         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
 667         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
 668         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
 669         (s390_expand_vcond): Likewise.
 670
 671 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 672
 673         * machmode.h (opt_machine_mode): New type.
 674         (opt_mode<T>): Allow construction from anything that can be
 675         converted to a T.
 676         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
 677         (mode_for_size): Return an opt_machine_mode.
 678         * stor-layout.c (mode_for_size): Likewise.
 679         (mode_for_size_tree): Update call accordingly.
 680         (bitwise_mode_for_mode): Likewise.
 681         (make_fract_type): Likewise.
 682         (make_accum_type): Likewise.
 683         * caller-save.c (replace_reg_with_saved_mem): Update call
 684         accordingly.
 685         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 686         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 687         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 688         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 689         * expmed.c (extract_bit_field_1): Likewise.
 690         * reload.c (get_secondary_mem): Likewise.
 691         * varasm.c (assemble_integer): Likewise.
 692         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
 693         early-out.
 694
 695 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 696
 697         * machmode.h (decimal_float_mode_for_size): New function.
 698         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
 699         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
 700         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
 701         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
 702         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
 703         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
 704
 705 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 706
 707         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
 708         (get_builtin_sync_mode): Likewise.
 709         (expand_ifn_atomic_compare_exchange): Likewise.
 710         (expand_builtin_atomic_clear): Likewise.
 711         (expand_builtin_atomic_test_and_set): Likewise.
 712         (fold_builtin_atomic_always_lock_free): Likewise.
 713         * calls.c (compute_argument_addresses): Likewise.
 714         (emit_library_call_value_1): Likewise.
 715         (store_one_arg): Likewise.
 716         * combine.c (combine_instructions): Likewise.
 717         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
 718         * config/arm/arm.c (arm_function_value): Likewise.
 719         (aapcs_allocate_return_reg): Likewise.
 720         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
 721         * config/i386/i386.c (construct_container): Likewise.
 722         (ix86_gimplify_va_arg): Likewise.
 723         (ix86_expand_sse_cmp): Likewise.
 724         (emit_memmov): Likewise.
 725         (emit_memset): Likewise.
 726         (expand_small_movmem_or_setmem): Likewise.
 727         (ix86_expand_pextr): Likewise.
 728         (ix86_expand_pinsr): Likewise.
 729         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
 730         * config/microblaze/microblaze.c (microblaze_block_move_straight):
 731         Likewise.
 732         * config/mips/mips.c (mips_function_value_1) Likewise.
 733         (mips_block_move_straight): Likewise.
 734         (mips_expand_ins_as_unaligned_store): Likewise.
 735         * config/powerpcspe/powerpcspe.c
 736         (rs6000_darwin64_record_arg_advance_flush): Likewise.
 737         (rs6000_darwin64_record_arg_flush): Likewise.
 738         * config/rs6000/rs6000.c
 739         (rs6000_darwin64_record_arg_advance_flush): Likewise.
 740         (rs6000_darwin64_record_arg_flush): Likewise.
 741         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
 742         (sparc_function_value_1): Likewise.
 743         * config/spu/spu.c (adjust_operand): Likewise.
 744         (spu_emit_branch_or_set): Likewise.
 745         (arith_immediate_p): Likewise.
 746         * emit-rtl.c (gen_lowpart_common): Likewise.
 747         * expr.c (expand_expr_real_1): Likewise.
 748         * function.c (assign_parm_setup_block): Likewise.
 749         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
 750         * reload1.c (alter_reg): Likewise.
 751         * stor-layout.c (mode_for_vector): Likewise.
 752         (layout_type): Likewise.
 753
 754 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 755
 756         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
 757         (spu_convert_move): Likewise.
 758         * lower-subreg.c (resolve_simple_move): Likewise.
 759
 760 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 761
 762         PR target/81833
 763         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
 764         define_insn to a define_expand.
 765         (altivec_vsum2sws_direct): New define_insn.
 766         (altivec_vsumsws): Convert from a define_insn to a define_expand.
 767
 768 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
 769
 770         * config/arm/arm.c (arm_option_params_internal): Improve setting of
 771         max_insns_skipped.
 772
 773 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 774
 775         PR target/59501
 776         PR target/81624
 777         PR target/81769
 778         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
 779         realign stack if stack alignment needed is less than incoming
 780         stack boundary.
 781
 782 2017-09-05  Marek Polacek  <polacek@redhat.com>
 783
 784         PR sanitizer/82072
 785         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
 786         check earlier.
 787
 788 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
 789
 790         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
 791
 792 2017-09-05  Richard Biener  <rguenther@suse.de>
 793
 794         PR tree-optimization/82084
 795         * fold-const.c (can_native_encode_string_p): Handle wide characters.
 796
 797 2017-09-05  Richard Biener  <rguenther@suse.de>
 798
 799         PR tree-optimization/82102
 800         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
 801
 802 2017-09-05  Martin Liska  <mliska@suse.cz>
 803
 804         PR tree-optimization/82032
 805         * tree-cfg.c (generate_range_test): New function.
 806         * tree-cfg.h (generate_range_test): Declared here.
 807         * tree-cfgcleanup.c (convert_single_case_switch): New function.
 808         (cleanup_control_expr_graph): Use it.
 809         * tree-switch-conversion.c (try_switch_expansion): Remove
 810         assert.
 811         (emit_case_nodes): Use generate_range_test.
 812
 813 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
 814
 815         PR target/82098
 816         * config/i386/i386.md (*<btsc><mode>_mask): Add
 817         TARGET_USE_BT to insn constraint.
 818         (*btr<mode>_mask): Ditto.
 819
 820 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
 821
 822         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
 823         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
 824
 825 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 826
 827         PR target/77308
 828         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
 829         TARGET_NEON and TARGET_IWMMXT.
 830         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
 831         TARGET_NEON and TARGET_IWMMXT.
 832         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
 833
 834 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
 835
 836         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
 837         (ix86_rewrite_tls_address): Ditto.
 838         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
 839         (ix86_rewrite_tls_address_1): Ditto.
 840         (ix86_rewrite_tls_address): Ditto.
 841         * config/i386/predicates.md (tls_address_pattern): New predicate.
 842         * config/i386/i386.md (TLS address splitter): New splitter.
 843
 844 2017-09-04  Richard Biener  <rguenther@suse.de>
 845
 846         PR tree-optimization/82084
 847         * fold-const.h (can_native_encode_string_p): Declare.
 848         * fold-const.c (can_native_encode_string_p): Factor out from ...
 849         (native_encode_string): ... here.
 850         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
 851         vectorizing stores from constants we later cannot handle.
 852
 853 2017-09-04  Marek Polacek  <polacek@redhat.com>
 854
 855         PR c/81783
 856         * doc/invoke.texi: Update -Wtautological-compare documentation.
 857
 858 2017-09-04  Jeff Law  <law@redhat.com>
 859
 860         PR tree-optimization/64910
 861         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
 862         swap the first and last operand if the last is a constant.
 863
 864 2017-09-04  Marek Polacek  <polacek@redhat.com>
 865
 866         PR sanitizer/82072
 867         * convert.c (do_narrow): When sanitizing signed integer overflows,
 868         bail out for signed types.
 869         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
 870
 871 2017-09-04  Richard Biener  <rguenther@suse.de>
 872
 873         PR tree-optimization/82060
 874         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
 875         Move devirtualization after stmt folding and before EH/AB/noreturn
 876         cleanup to get the stmt refs canonicalized.  Use a bool instead
 877         of gimple_modified_p since that doesn't work for NOPs.  Schedule
 878         NOPs generated by folding for removal.
 879
 880 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 881             Alan Hayward  <alan.hayward@arm.com>
 882             David Sherwood  <david.sherwood@arm.com>
 883
 884         * coretypes.h (pad_direction): New enum.
 885         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
 886         (FUNCTION_ARG_PADDING): Likewise.
 887         * target.def (function_arg_padding): New hook.
 888         * targhooks.h (default_function_arg_padding): Declare.
 889         * targhooks.c (default_function_arg_padding): New function.
 890         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
 891         (TARGET_FUNCTION_ARG_PADDING): ...this.
 892         * doc/tm.texi: Regenerate.
 893         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
 894         instead of direction.
 895         (compute_argument_addresses): Likewise.
 896         (load_register_parameters): Likewise.
 897         (emit_library_call_value_1): Likewise.
 898         (store_one_arg): Use targetm.calls.function_arg_padding instead
 899         of FUNCTION_ARG_PADDING.
 900         (must_pass_in_stack_var_size_or_pad): Likewise.
 901         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
 902         (emit_group_store): Likewise.
 903         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
 904         instead of FUNCTION_ARG_PADDING.
 905         (emit_push_insn): Likewise, and propagate enum change throughout
 906         function.
 907         * function.h (direction): Delete.
 908         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
 909         of direction.
 910         * function.c (assign_parm_find_stack_rtl): Likewise.
 911         (assign_parm_setup_block_p): Likewise.
 912         (assign_parm_setup_block): Likewise.
 913         (gimplify_parameters): Likewise.
 914         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
 915         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
 916         function.
 917         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
 918         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
 919         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
 920         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
 921         (aarch64_function_arg_padding): ...this new function.
 922         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
 923         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 924         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
 925         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
 926         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
 927         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 928         (arm_pad_arg_upward): Replace with...
 929         (arm_function_arg_padding): ...this new function.
 930         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
 931         of direction.
 932         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
 933         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
 934         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 935         (ia64_hpux_function_arg_padding): Replace with...
 936         (ia64_function_arg_padding): ...this new function.  Use pad_direction
 937         instead of direction.  Check for TARGET_HPUX.
 938         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
 939         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 940         (iq2000_function_arg_padding): New function.
 941         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
 942         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
 943         (mips_function_arg_padding): ...this new function.
 944         (mips_pad_reg_upward): Update accordingly.
 945         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 946         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
 947         targetm.calls.function_arg_padding.
 948         (FUNCTION_ARG_PADDING): Delete.
 949         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
 950         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
 951         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 952         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
 953         (nios2_block_reg_padding): Return pad_direction instead of direction.
 954         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
 955         instead of direction.
 956         (nios2_function_arg_padding): Likewise.  Make static.
 957         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 958         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
 959         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
 960         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
 961         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 962         (pa_function_arg_padding): Make static.  Return pad_direction instead
 963         of direction.
 964         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
 965         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 966         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
 967         instead of direction.  Use targetm.calls.function_arg_padding.
 968         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
 969         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
 970         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
 971         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
 972         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
 973         Redefine.
 974         (function_arg_padding): Rename to...
 975         (rs6000_function_arg_padding): ...this.  Make static.  Return
 976         pad_direction instead of direction.
 977         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
 978         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
 979         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 980         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
 981         instead of direction.  Use targetm.calls.function_arg_padding.
 982         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
 983         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
 984         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
 985         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
 986         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 987         (function_arg_padding): Rename to...
 988         (rs6000_function_arg_padding): ...this.  Make static.  Return
 989         pad_direction instead of direction.
 990         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
 991         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
 992         * config/s390/s390.c (s390_function_arg_padding): New function.
 993         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 994         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
 995         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
 996         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 997         (function_arg_padding): Rename to...
 998         (sparc_function_arg_padding): ...this.  Make static.  Return
 999         pad_direction instead of direction.
1000         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
1001         * config/spu/spu.c (spu_function_arg_padding): New function.
1002         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1003         * system.h (FUNCTION_ARG_PADDING): Poison.
1004
1005 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1006             Alan Hayward  <alan.hayward@arm.com>
1007             David Sherwood  <david.sherwood@arm.com>
1008
1009         * target.def (modes_tieable_p): New hook.
1010         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
1011         (TARGET_MODES_TIEABLE_P): ...this.
1012         * doc/tm.texi.in: Regenerate.
1013         * hooks.h (hook_bool_mode_mode_true): Declare.
1014         * hooks.c (hook_bool_mode_mode_true): New function.
1015         * combine.c (subst): Use targetm.modes_tieable_p instead of
1016         MODES_TIEABLE_P.
1017         * dse.c (find_shift_sequence): Likewise.
1018         * expmed.c (extract_low_bits): Likewise.
1019         * lower-subreg.c: Include target.h.
1020         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
1021         MODES_TIEABLE_P.
1022         * rtlanal.c (rtx_cost): Likewise.
1023         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
1024         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
1025         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
1026         (TARGET_MODES_TIEABLE_P): Redefine.
1027         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
1028         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
1029         (TARGET_MODES_TIEABLE_P): Redefine.
1030         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
1031         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
1032         (arc_modes_tieable_p): New function.
1033         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
1034         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
1035         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
1036         (arm_modes_tieable_p): Make static.
1037         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
1038         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
1039         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
1040         (TARGET_MODES_TIEABLE_P): Redefine.
1041         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
1042         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
1043         (TARGET_MODES_TIEABLE_P): Redefine.
1044         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
1045         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
1046         (cr16_modes_tieable_p): New function.
1047         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
1048         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
1049         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
1050         (TRULY_NOOP_TRUNCATION): Update comment.
1051         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
1052         (TRULY_NOOP_TRUNCATION): Update comment.
1053         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
1054         (frv_modes_tieable_p): New function.
1055         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
1056         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
1057         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
1058         (TARGET_MODES_TIEABLE_P): Redefine.
1059         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
1060         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
1061         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
1062         (TARGET_MODES_TIEABLE_P): Redefine.
1063         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
1064         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
1065         (ia64_modes_tieable_p): New function.
1066         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
1067         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
1068         (iq2000_modes_tieable_p): New function.
1069         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
1070         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
1071         (lm32_modes_tieable_p): New function.
1072         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
1073         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
1074         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
1075         (TARGET_MODES_TIEABLE_P): Redefine.
1076         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
1077         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
1078         (m32r_modes_tieable_p): New function.
1079         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
1080         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
1081         (m68k_modes_tieable_p): New function.
1082         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
1083         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
1084         (mcore_modes_tieable_p): New function.
1085         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
1086         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
1087         function.
1088         (TARGET_MODES_TIEABLE_P): Redefine.
1089         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
1090         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
1091         * config/mips/mips.c (mips_modes_tieable_p): Make static.
1092         (TARGET_MODES_TIEABLE_P): Redefine.
1093         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
1094         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
1095         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
1096         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
1097         (mn10300_modes_tieable_p): ...this and make static.
1098         (TARGET_MODES_TIEABLE_P): Redefine.
1099         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
1100         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
1101         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
1102         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
1103         (msp430_modes_tieable_p): Make static.
1104         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
1105         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
1106         (TARGET_MODES_TIEABLE_P): Redefine.
1107         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
1108         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
1109         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
1110         (TARGET_MODES_TIEABLE_P): Redefine.
1111         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
1112         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
1113         * config/pa/pa.c (pa_modes_tieable_p): Make static.
1114         (TARGET_MODES_TIEABLE_P): Redefine.
1115         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
1116         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
1117         (pdp11_modes_tieable_p): New function.
1118         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
1119         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
1120         (rs6000_modes_tieable_p): New function.
1121         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1122         * config/powerpcspe/powerpcspe.md: Update comment.
1123         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
1124         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
1125         (TARGET_MODES_TIEABLE_P): Redefine.
1126         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
1127         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
1128         (rl78_modes_tieable_p): New function.
1129         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
1130         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
1131         (rs6000_modes_tieable_p): New function.
1132         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1133         * config/rs6000/rs6000.md: Update comment.
1134         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
1135         * config/rx/rx.c (rx_modes_tieable_p): New function.
1136         (TARGET_MODES_TIEABLE_P): Redefine.
1137         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
1138         * config/s390/s390.c (s390_modes_tieable_p): New function.
1139         (TARGET_MODES_TIEABLE_P): Redefine.
1140         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
1141         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
1142         (sh_modes_tieable_p): New function.
1143         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
1144         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
1145         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
1146         (sparc_modes_tieable_p): Make static.
1147         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
1148         * config/spu/spu.c (spu_modes_tieable_p): New function.
1149         (TARGET_MODES_TIEABLE_P): Redefine.
1150         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
1151         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
1152         (TARGET_MODES_TIEABLE_P): Redefine.
1153         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
1154         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
1155         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
1156         * config/v850/v850.c (v850_modes_tieable_p): New function.
1157         (TARGET_MODES_TIEABLE_P): Redefine.
1158         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
1159         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
1160         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
1161         (visium_modes_tieable_p): New function.
1162         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
1163         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
1164         (xtensa_modes_tieable_p): New function.
1165         * system.h (MODES_TIEABLE_P): Poison.
1166
1167 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1168             Alan Hayward  <alan.hayward@arm.com>
1169             David Sherwood  <david.sherwood@arm.com>
1170
1171         * target.def (hard_regno_mode_ok): New hook.
1172         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
1173         (TARGET_HARD_REGNO_MODE_OK): ...this.
1174         * doc/tm.texi.in: Regenerate.
1175         * hooks.h (hook_bool_uint_mode_true): Declare.
1176         * hooks.c (hook_bool_uint_mode_true): New function.
1177         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
1178         HARD_REGNO_MODE_OK.
1179         * genpreds.c (write_insn_preds_c): Add an include of target.h.
1180         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
1181         instead of HARD_REGNO_MODE_OK.
1182         * caller-save.c: Include target.h.
1183         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
1184         HARD_REGNO_MODE_OK.
1185         * combine.c (can_combine_p): Likewise.
1186         (combinable_i3pat): Likewise.
1187         (can_change_dest_mode): Likewise.
1188         * expr.c (init_expr_target): Likewise.
1189         (convert_move): Likewise.
1190         (convert_modes): Likewise.
1191         * ira.c (setup_prohibited_class_mode_regs): Likewise.
1192         (setup_prohibited_mode_move_regs): Likewise.
1193         * ira.h (target_ira): Likewise.
1194         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1195         * lra-constraints.c (process_alt_operands): Likewise.
1196         (split_reg): Likewise.
1197         * recog.c (peep2_find_free_register): Likewise.
1198         * ree.c (combine_reaching_defs): Likewise.
1199         * regcprop.c (maybe_mode_change): Likewise.
1200         * reginfo.c (init_reg_sets_1): Likewise.
1201         (choose_hard_reg_mode): Likewise.
1202         (simplifiable_subregs): Likewise.
1203         * regrename.c (check_new_reg_p): Likewise.
1204         * reload.c (find_valid_class): Likewise.
1205         (find_valid_class_1): Likewise.
1206         (reload_inner_reg_of_subreg): Likewise.
1207         (push_reload): Likewise.
1208         (combine_reloads): Likewise.
1209         (find_dummy_reload): Likewise.
1210         (find_reloads): Likewise.
1211         * reload1.c (find_reg): Likewise.
1212         (set_reload_reg): Likewise.
1213         (allocate_reload_reg): Likewise.
1214         (choose_reload_regs): Likewise.
1215         (reload_adjust_reg_for_temp): Likewise.
1216         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
1217         (simplify_subreg_regno): Likewise.
1218         * sel-sched.c (init_regs_for_mode): Likewise.
1219         * varasm.c (make_decl_rtl): Likewise.
1220         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
1221         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
1222         HARD_REGNO_MODE_OK.
1223         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
1224         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
1225         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1226         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
1227         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
1228         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1229         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
1230         (arc_mode_class): Delete.
1231         (HARD_REGNO_MODE_OK): Delete.
1232         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1233         (arc_hard_regno_mode_ok): Rename old array to...
1234         (arc_hard_regno_mode_ok_modes): ...this.
1235         (arc_conditional_register_usage): Update accordingly.
1236         (arc_mode_class): Make static.
1237         (arc_hard_regno_mode_ok): New function.
1238         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
1239         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
1240         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1241         (arm_hard_regno_mode_ok): Make static.
1242         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
1243         HARD_REGNO_MODE_OK.
1244         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
1245         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
1246         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
1247         return a bool.
1248         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1249         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
1250         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
1251         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
1252         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
1253         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1254         * config/bfin/predicates.md (valid_reg_operand): Use
1255         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
1256         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
1257         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
1258         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1259         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
1260         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
1261         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1262         (cr16_hard_regno_mode_ok): Make static and return a bool.
1263         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
1264         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1265         (cris_hard_regno_mode_ok): New function.
1266         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
1267         (epiphany_mode_class): Delete.
1268         (HARD_REGNO_MODE_OK): Delete.
1269         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
1270         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1271         (hard_regno_mode_ok): Rename to...
1272         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
1273         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
1274         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
1275         HARD_REGNO_MODE_OK.
1276         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
1277         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
1278         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1279         (frv_hard_regno_mode_ok): Make static and return a bool.
1280         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
1281         HARD_REGNO_MODE_OK.
1282         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
1283         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
1284         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
1285         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
1286         and return a bool.
1287         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1288         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
1289         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
1290         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
1291         return a bool.
1292         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1293         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
1294         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1295         (ia64_hard_regno_mode_ok): New function.
1296         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
1297         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1298         (iq2000_hard_regno_mode_ok): New function.
1299         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
1300         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1301         (lm32_hard_regno_mode_ok): New function.
1302         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
1303         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
1304         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
1305         instead of HARD_REGNO_MODE_OK.
1306         (m32c_hard_regno_ok): Rename to...
1307         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
1308         (m32c_cannot_change_mode_class): Update accordingly.
1309         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1310         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
1311         (m32r_mode_class): Delete.
1312         (HARD_REGNO_MODE_OK): Delete.
1313         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1314         (m32r_hard_regno_mode_ok): Rename to...
1315         (m32r_hard_regno_modes): ...this.
1316         (m32r_mode_class): Make static.
1317         (m32r_hard_regno_mode_ok): New function.
1318         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
1319         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
1320         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1321         (m68k_hard_regno_mode_ok): Make static.
1322         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
1323         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1324         (mcore_hard_regno_mode_ok): New function.
1325         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
1326         (HARD_REGNO_MODE_OK): Delete.
1327         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
1328         Rename to...
1329         (microblaze_hard_regno_mode_ok_p): ...this and make static.
1330         (microblaze_hard_regno_mode_ok): New function.
1331         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1332         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
1333         (mips_hard_regno_mode_ok): Delete.
1334         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
1335         (mips_hard_regno_mode_ok_p): ...this and make static.
1336         (mips_hard_regno_mode_ok_p): Rename to...
1337         (mips_hard_regno_mode_ok_uncached): ...this.
1338         (mips_hard_regno_mode_ok): New function.
1339         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
1340         of HARD_REGNO_MODE_OK.
1341         (mips_option_override): Update after above name changes.
1342         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1343         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
1344         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
1345         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
1346         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
1347         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1348         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
1349         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
1350         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
1351         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1352         (msp430_hard_regno_mode_ok): Make static and return a bool.
1353         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
1354         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
1355         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
1356         and return a bool.
1357         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1358         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
1359         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
1360         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
1361         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
1362         (PA_HARD_REGNO_MODE_OK): ...this
1363         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
1364         (PA_HARD_REGNO_MODE_OK): ...this.
1365         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1366         (pa_hard_regno_mode_ok): New function.
1367         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
1368         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1369         (pdp11_hard_regno_mode_ok): New function.
1370         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
1371         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
1372         Delete.
1373         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
1374         Make static.
1375         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1376         (rs6000_hard_regno_mode_ok): Rename to...
1377         (rs6000_hard_regno_mode_ok_uncached): ...this.
1378         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1379         (rs6000_hard_regno_mode_ok): New function.
1380         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
1381         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
1382         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
1383         (riscv_hard_regno_mode_ok): ...this and make static.
1384         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1385         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
1386         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
1387         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1388         (rl78_hard_regno_mode_ok): Make static and return bool.
1389         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
1390         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
1391         Delete.
1392         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
1393         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1394         (rs6000_hard_regno_mode_ok): Rename to...
1395         (rs6000_hard_regno_mode_ok_uncached): ...this.
1396         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1397         (rs6000_hard_regno_mode_ok): New function.
1398         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
1399         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
1400         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1401         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
1402         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
1403         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
1404         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1405         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
1406         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
1407         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1408         (sh_hard_regno_mode_ok): Make static.
1409         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
1410         instead of HARD_REGNO_MODE_OK.
1411         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
1412         (sparc_mode_class): Delete.
1413         (HARD_REGNO_MODE_OK): Delete.
1414         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1415         (hard_regno_mode_classes): Make static.
1416         (sparc_mode_class): Likewise.
1417         (sparc_hard_regno_mode_ok): New function.
1418         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
1419         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
1420         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
1421         function.
1422         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1423         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
1424         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
1425         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
1426         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
1427         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1428         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
1429         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
1430         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1431         (visium_hard_regno_mode_ok): New function.
1432         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
1433         instead of HARD_REGNO_MODE_OK.
1434         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
1435         (HARD_REGNO_MODE_OK): Delete.
1436         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
1437         (xtensa_hard_regno_mode_ok_p): ...this and make static.
1438         (xtensa_option_override): Update accordingly.
1439         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1440         (xtensa_hard_regno_mode_ok): New function.
1441         * system.h (HARD_REGNO_MODE_OK): Poison.
1442
1443 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1444             Alan Hayward  <alan.hayward@arm.com>
1445             David Sherwood  <david.sherwood@arm.com>
1446
1447         * target.def (hard_regno_call_part_clobbered): New hook.
1448         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
1449         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
1450         * doc/tm.texi: Regenerate.
1451         * hooks.h (hook_bool_uint_mode_false): Declare.
1452         * hooks.c (hook_bool_uint_mode_false): New function.
1453         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1454         * cselib.c (cselib_process_insn): Use
1455         targetm.hard_regno_call_part_clobbered instead of
1456         HARD_REGNO_CALL_PART_CLOBBERED.
1457         * ira-conflicts.c (ira_build_conflicts): Likewise.
1458         * ira-costs.c (ira_tune_allocno_costs): Likewise.
1459         * lra-constraints.c (need_for_call_save_p): Likewise.
1460         * lra-lives.c: Include target.h.
1461         (check_pseudos_live_through_calls): Use
1462         targetm.hard_regno_call_part_clobbered instead of
1463         HARD_REGNO_CALL_PART_CLOBBERED.
1464         * regcprop.c: Include target.h.
1465         (copyprop_hardreg_forward_1): Use
1466         targetm.hard_regno_call_part_clobbered instead of
1467         HARD_REGNO_CALL_PART_CLOBBERED.
1468         * reginfo.c (choose_hard_reg_mode): Likewise.
1469         * regrename.c (check_new_reg_p): Likewise.
1470         * reload.c (find_equiv_reg): Likewise.
1471         * reload1.c (emit_reload_insns): Likewise.
1472         * sched-deps.c (deps_analyze_insn): Likewise.
1473         * sel-sched.c (init_regs_for_mode): Likewise.
1474         (mark_unavailable_hard_regs): Likewise.
1475         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
1476         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1477         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
1478         New function.
1479         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1480         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1481         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
1482         Delete.
1483         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
1484         and return a bool.
1485         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1486         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1487         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
1488         function.
1489         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1490         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1491         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
1492         function.
1493         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1494         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
1495         Delete.
1496         * config/powerpcspe/powerpcspe.c
1497         (rs6000_hard_regno_call_part_clobbered): New function.
1498         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1499         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1500         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
1501         New function.
1502         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1503         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1504         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
1505         function.
1506         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
1507         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
1508         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
1509
1510 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1511             Alan Hayward  <alan.hayward@arm.com>
1512             David Sherwood  <david.sherwood@arm.com>
1513
1514         * rtl.h (subreg_memory_offset): Declare.
1515         * emit-rtl.c (subreg_memory_offset): New function.
1516         * expmed.c (store_bit_field_1): Use it.
1517         * expr.c (undefined_operand_subword_p): Likewise.
1518         * simplify-rtx.c (simplify_subreg): Likewise.
1519
1520 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
1521
1522         PR rtl-optimization/57448
1523         PR target/67458
1524         PR target/81316
1525         * optabs.c (expand_atomic_load): Place compiler memory barriers if
1526         using atomic_load pattern.
1527         (expand_atomic_store): Likewise.
1528
1529 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
1530
1531         PR sanitizer/81981
1532         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
1533         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
1534         handling.  Use replace_call_with_value with NULL instead of
1535         gsi_replace, unlink_stmt_vdef and release_defs.
1536
1537         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
1538         instead of tab.
1539
1540         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
1541
1542 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1543
1544         PR bootstrap/82045
1545         * rtl.h (emit_library_call_value_1): Declare.
1546         (emit_library_call): Replace declaration with a series of overloads.
1547         Remove the parameter count argument.
1548         (emit_library_call_value): Likewise.
1549         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
1550         with an "rtx_mode_t *".
1551         (emit_library_call_value): Delete.
1552         (emit_library_call): Likewise.
1553         * asan.c (asan_emit_stack_protection): Update calls accordingly.
1554         (asan_emit_allocas_unpoison): Likewise.
1555         * builtins.c (expand_builtin_powi): Likewise.
1556         (expand_asan_emit_allocas_unpoison): Likewise.
1557         * cfgexpand.c (expand_main_function): Likewise.
1558         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
1559         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
1560         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
1561         * config/arm/arm.c (arm_trampoline_init): Likewise.
1562         (arm_call_tls_get_addr): Likewise.
1563         (arm_expand_divmod_libfunc): Likewise.
1564         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
1565         (smulsi3_highpart): Likewise.
1566         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
1567         (c6x_expand_compare): Likewise.
1568         (c6x_expand_movmem): Likewise.
1569         * config/frv/frv.c (frv_trampoline_init): Likewise.
1570         * config/i386/i386.c (ix86_trampoline_init): Likewise.
1571         (ix86_expand_divmod_libfunc): Likewise.
1572         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1573         (ia64_expand_compare): Likewise.
1574         (ia64_profile_hook): Likewise.
1575         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
1576         (nonlocal_goto): Likewise.
1577         (restore_stack_nonlocal): Likewise.
1578         * config/m32r/m32r.c (block_move_call): Likewise.
1579         (m32r_trampoline_init): Likewise.
1580         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1581         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
1582         (m68k_call_m68k_read_tp): Likewise.
1583         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
1584         (microblaze_expand_divide): Likewise.
1585         * config/mips/mips.h (mips_args): Likewise.
1586         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
1587         (MIPS_ICACHE_SYNC): Likewise.
1588         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
1589         (nios2_trampoline_init): Likewise.
1590         * config/pa/pa.c (hppa_tls_call): Likewise.
1591         (pa_trampoline_init): Likewise.
1592         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
1593         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
1594         (expand_strn_compare): Likewise.
1595         (rs6000_generate_compare): Likewise.
1596         (rs6000_expand_float128_convert): Likewise.
1597         (output_profile_hook): Likewise.
1598         (rs6000_trampoline_init): Likewise.
1599         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
1600         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
1601         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
1602         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1603         (rs6000_generate_compare): Likewise.
1604         (rs6000_expand_float128_convert): Likewise.
1605         (output_profile_hook): Likewise.
1606         (rs6000_trampoline_init): Likewise.
1607         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
1608         * config/sh/sh.c (sh_trampoline_init): Likewise.
1609         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
1610         (sparc_emit_float_lib_cmp): Likewise.
1611         (sparc32_initialize_trampoline): Likewise.
1612         (sparc64_initialize_trampoline): Likewise.
1613         (sparc_profile_hook): Likewise.
1614         * config/spu/spu.c (ea_load_store): Likewise.
1615         * config/spu/spu.md (floatunssidf2): Likewise.
1616         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
1617         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
1618         * config/visium/visium.c (expand_block_move_4): Likewise.
1619         (expand_block_move_2): Likewise.
1620         (expand_block_move_1): Likewise.
1621         (expand_block_set_4): Likewise.
1622         (expand_block_set_2): Likewise.
1623         (expand_block_set_1): Likewise.
1624         (visium_trampoline_init): Likewise.
1625         (visium_profile_hook): Likewise.
1626         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
1627         (xtensa_setup_frame_addresses): Likewise.
1628         (xtensa_trampoline_init): Likewise.
1629         * except.c (sjlj_emit_function_enter): Likewise.
1630         (sjlj_emit_function_exit): Likewise.
1631         * explow.c (allocate_dynamic_stack_space): Likewise.
1632         (probe_stack_range): Likewise.
1633         * expr.c (convert_mode_scalar): Likewise.
1634         * optabs.c (expand_binop): Likewise.
1635         (expand_twoval_binop_libfunc): Likewise.
1636         (expand_unop): Likewise.
1637         (prepare_cmp_insn): Likewise.
1638         (prepare_float_lib_cmp): Likewise.
1639         (expand_float): Likewise.
1640         (expand_fix): Likewise.
1641         (expand_fixed_convert): Likewise.
1642         (maybe_emit_sync_lock_test_and_set): Likewise.
1643         (expand_atomic_compare_and_swap): Likewise.
1644         (expand_mem_thread_fence): Likewise.
1645         (expand_atomic_fetch_op): Likewise.
1646
1647 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
1648
1649         * doc/generic.texi (OpenACC): Adjust URL.
1650         * doc/invoke.texi (C Dialect Options): Ditto.
1651
1652 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
1653
1654         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
1655         predicate for operand 1.  Add (m,<S>) constraint.
1656         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
1657         Prevent memory operand 1 with register operand 2.
1658
1659 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1660
1661         PR rtl-optimization/82024
1662         * combine.c (try_combine): If the combination result is a PARALLEL,
1663         and we only need to retain the SET in there that would be placed
1664         at I2, check that we can place that at I3 instead, before doing so.
1665
1666 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1667
1668         PR target/81766
1669         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
1670         instead of void.
1671         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
1672         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
1673         and label.
1674
1675 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
1676             Jeff Law  <law@redhat.com>
1677
1678         * varasm.c (bss_initializer_p): Do not put constants into .bss
1679         (categorize_decl_for_section): Handle bss_initializer_p returning
1680         false when DECL_INITIAL is NULL.
1681
1682 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1683
1684         PR target/82012
1685         * config/s390/s390.c (s390_can_inline_p): New function.
1686
1687 2017-09-01  Jeff Law  <law@redhat.com>
1688
1689         PR tree-optimization/82052
1690         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
1691         Always initialize the returned slot after a hash table miss
1692         when INSERT is true.
1693
1694 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
1695
1696         * config/s390/s390.md (mem_signal_fence): Remove.
1697         * doc/md.texi (mem_signal_fence): Remove.
1698         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
1699         Update comments.
1700         * target-insns.def (mem_signal_fence): Remove.
1701
1702 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1703
1704         PR sanitizer/81902
1705         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
1706
1707         PR sanitizer/81923
1708         * asan.c (create_odr_indicator): Strip name encoding from assembler
1709         name before appending it after __odr_asan_.
1710
1711 2017-09-01  Martin Liska  <mliska@suse.cz>
1712
1713         PR tree-optimization/82059
1714         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
1715         frequency only when an edge is redirected.
1716
1717 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1718
1719         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
1720         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
1721         (arc_conditional_register_usage): Remove ARC600 lp_count
1722         exception.
1723         (arc_file_start): Emit Tag_ARC_CPU_variation.
1724         (arc_can_use_doloop_p): New conditions to use ZOLs.
1725         (hwloop_fail): New function.
1726         (hwloop_optimize): Likewise.
1727         (hwloop_pattern_reg): Likewise.
1728         (arc_doloop_hooks): New struct, to be used with reorg_loops.
1729         (arc_reorg_loops): New function, calls reorg_loops.
1730         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
1731         (arc600_corereg_hazard): Remove ZOL checking, case handled by
1732         hwloop_optimize.
1733         (arc_loop_hazard): Remove function, functionality moved into
1734         hwloop_optimize.
1735         (arc_hazard): Remove arc_loop_hazard call.
1736         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
1737         into hwloop_optimize.
1738         (arc_label_align): Remove ZOL handling.
1739         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
1740         * config/arc/arc.md (doloop_begin): Remove pattern.
1741         (doloop_begin_i): Likewise.
1742         (doloop_end_i): Likewise.
1743         (doloop_fallback): Likewise.
1744         (doloop_fallback_m): Likewise.
1745         (doloop_end): Reimplement expand.
1746         (arc_lp): New pattern for LP instruction.
1747         (loop_end): New pattern.
1748         (loop_fail): Likewise.
1749         (decrement_and_branch_until_zero): Likewise.
1750         * config/arc/arc.opt (mlpc-width): New option.
1751         * doc/invoke.texi (mlpc-width): Document option.
1752
1753 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1754
1755         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
1756         (arc_ccfsm_advance): Fix checking for delay slots.
1757         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
1758
1759 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1760
1761         * config/arc/arc.md (movqi_insn): Add stores to save constant long
1762         immediates.
1763         (movhi_insn): Update store instruction constraint which are saving
1764         6-bit short immediates.
1765         (movsi_insn): Consider also short scaled load operations.
1766         (zero_extendhisi2_i): Use Usd constraint instead of T.
1767         (extendhisi2_i): Add q constraint.
1768         (arc_clzsi2): Add type and length attributes.
1769         (arc_ctzsi2): Likewise.
1770         * config/arc/constraints.md (Usc): Update constraint, the
1771         assembler can parse two relocations for a single instruction.
1772
1773 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1774
1775         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
1776         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1777
1778 2017-08-31  Olivier Hainque  <hainque@adacore.com>
1779
1780         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
1781         match as powerpc-wrs-vxworks*.
1782
1783 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
1784
1785         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
1786         register constraint for by-element operand.
1787         (aarch64_mls_elt_merge<mode>): Likewise.
1788
1789 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1790
1791         * config/arc/arc.c (arc_can_follow_jump): Check for short
1792         branches.
1793
1794 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1795
1796         * config.gcc: Use g.opt for arc.
1797         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
1798         functionality moved to ...
1799         (legitimate_scaled_address_p): New function, ...here.
1800         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
1801         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
1802         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
1803         condition.
1804         (arc_override_options): Handle G option.
1805         (arc_output_pic_addr_const): Correct function definition.
1806         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
1807         (arc_decl_anon_ns_mem_p): Delete.
1808         (arc_in_small_data_p): Overhaul this function to take into
1809         consideration the value given via G option.
1810         (arc_rewrite_small_data_1): Renamed and corrected old
1811         arc_rewrite_small_data function.
1812         (arc_rewrite_small_data): New function.
1813         (small_data_pattern): Don't use pic_offset_table_rtx.
1814         * config/arc/arc.h (CC1_SPEC): Recognize G option.
1815         * config/arc/simdext.md (movmisalignv2hi): Use
1816         prepare_move_operands function.
1817         (mov*): Likewise.
1818         (movmisalign*): Likewise.
1819         * doc/invoke.texi (ARC options): Document -G option.
1820
1821 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1822
1823         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
1824         prototype.
1825         * config/arc/arc.c (arc_print_operand): Output scalled address for
1826         sdata whenever is possible.
1827         (arc_in_small_data_p): Allow sdata for 64bit datum when double
1828         load/stores are available.
1829         (compact_sda_memory_operand): Check for the alignment required by
1830         code density instructions.
1831         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
1832         constraint.
1833         * config/arc/constraints.md (Usd): Update constraint.
1834         (Us0): New constraint.
1835         (Usc): Update constraint.
1836
1837 2017-08-31  Richard Biener  <rguenther@suse.de>
1838
1839         PR middle-end/82054
1840         * dwarf2out.c (dwarf2out_early_global_decl): Process each
1841         function only once.
1842
1843 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
1844
1845         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
1846         Resize type_signature.
1847
1848 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1849             Alan Hayward  <alan.hayward@arm.com>
1850             David Sherwood  <david.sherwood@arm.com>
1851
1852         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
1853         subregs whose inner modes can be stored in GPRs.
1854         (aarch64_classify_index): Likewise.
1855
1856 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1857             Alan Hayward  <alan.hayward@arm.com>
1858             David Sherwood  <david.sherwood@arm.com>
1859
1860         * config/aarch64/iterators.md (V_cmp_result): Rename to...
1861         (V_INT_EQUIV): ...this.
1862         (v_cmp_result): Rename to...
1863         (v_int_equiv): ...this.
1864         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
1865         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
1866         (copysign<mode>3): Likewise.
1867         (aarch64_simd_bsl<mode>_internal): Likewise.
1868         (aarch64_simd_bsl<mode>): Likewise.
1869         (vec_cmp<mode><mode>): Likewise.
1870         (vcond<mode><mode>): Likewise.
1871         (vcond<v_cmp_mixed><mode>): Likewise.
1872         (vcondu<mode><v_cmp_mixed>): Likewise.
1873         (aarch64_cm<optab><mode>): Likewise.
1874         (aarch64_cmtst<mode>): Likewise.
1875         (aarch64_fac<optab><mode>): Likewise.
1876         (vec_perm_const<mode>): Likewise.
1877         (vcond_mask_<mode><v_cmp_result>): Rename to...
1878         (vcond_mask_<mode><v_int_equiv>): ...this.
1879         (vec_cmp<mode><v_cmp_result>): Rename to...
1880         (vec_cmp<mode><v_int_equiv>): ...this.
1881
1882 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1883             Alan Hayward  <alan.hayward@arm.com>
1884             David Sherwood  <david.sherwood@arm.com>
1885
1886         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
1887         vector modes.
1888         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
1889         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
1890         (UNSPEC_LD4_DREG): New unspecs.
1891         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
1892         (aarch64_ld2<mode>_dreg_be): Replace with...
1893         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
1894         unspec.
1895         (aarch64_ld3<mode>_dreg_le)
1896         (aarch64_ld3<mode>_dreg_be): Replace with...
1897         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
1898         unspec.
1899         (aarch64_ld4<mode>_dreg_le)
1900         (aarch64_ld4<mode>_dreg_be): Replace with...
1901         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
1902         unspec.
1903
1904 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1905
1906         PR tree-optimization/81987
1907         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
1908         insert an initializer in a location not dominated by the stride
1909         definition.
1910
1911 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1912
1913         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
1914         on the entire header of the finally block in the fallthru case.
1915
1916 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1917
1918         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
1919
1920 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
1921
1922         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
1923         rs6000_emit_move_from_cr and call renamed function.
1924         (rs6000_emit_prologue): Call renamed functions.
1925         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
1926         movesi_from_cr, remove volatile CRs.
1927
1928 2017-08-30  Jon Beniston  <jon@beniston.com>
1929             Richard Biener  <rguenther@suse.de>
1930
1931         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
1932         of VECTOR_MODE_P check.
1933         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
1934         element vector types.
1935
1936 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1937
1938         * df.h (df_read_modify_subreg_p): Remove in favor of...
1939         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
1940         const_rtx instead of an rtx.
1941         * cprop.c (local_cprop_find_used_regs): Update accordingly.
1942         * df-problems.c (df_word_lr_mark_ref): Likewise.
1943         * ira-lives.c (mark_pseudo_reg_live): Likewise.
1944         (mark_pseudo_reg_dead): Likewise.
1945         (mark_ref_dead): Likewise.
1946         * reginfo.c (init_subregs_of_mode): Likewise.
1947         * sched-deps.c (sched_analyze_1): Likewise.
1948         * df-scan.c (df_def_record_1): Likewise.
1949         (df_uses_record): Likewise.
1950         (df_read_modify_subreg_p): Remove in favor of...
1951         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
1952         const_rtx instead of an rtx.
1953
1954 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1955             Alan Hayward  <alan.hayward@arm.com>
1956             David Sherwood  <david.sherwood@arm.com>
1957
1958         * rtl.h (partial_subreg_p): New function.
1959         * caller-save.c (save_call_clobbered_regs): Use it.
1960         * calls.c (expand_call): Likewise.
1961         * combine.c (combinable_i3pat): Likewise.
1962         (simplify_set): Likewise.
1963         (make_extraction): Likewise.
1964         (make_compound_operation_int): Likewise.
1965         (gen_lowpart_or_truncate): Likewise.
1966         (force_to_mode): Likewise.
1967         (make_field_assignment): Likewise.
1968         (reg_truncated_to_mode): Likewise.
1969         (record_truncated_value): Likewise.
1970         (move_deaths): Likewise.
1971         * cse.c (record_jump_cond): Likewise.
1972         (cse_insn): Likewise.
1973         * cselib.c (cselib_lookup_1): Likewise.
1974         * expmed.c (extract_bit_field_using_extv): Likewise.
1975         * function.c (assign_parm_setup_reg): Likewise.
1976         * ifcvt.c (noce_convert_multiple_sets): Likewise.
1977         * ira-build.c (create_insn_allocnos): Likewise.
1978         * lra-coalesce.c (merge_pseudos): Likewise.
1979         * lra-constraints.c (match_reload): Likewise.
1980         (simplify_operand_subreg): Likewise.
1981         (curr_insn_transform): Likewise.
1982         * lra-lives.c (process_bb_lives): Likewise.
1983         * lra.c (new_insn_reg): Likewise.
1984         (lra_substitute_pseudo): Likewise.
1985         * regcprop.c (mode_change_ok): Likewise.
1986         (maybe_mode_change): Likewise.
1987         (copyprop_hardreg_forward_1): Likewise.
1988         * reload.c (push_reload): Likewise.
1989         (find_reloads): Likewise.
1990         (find_reloads_subreg_address): Likewise.
1991         * reload1.c (alter_reg): Likewise.
1992         (eliminate_regs_1): Likewise.
1993         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1994
1995 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
1996
1997         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
1998         back to if statements, including unpack.
1999
2000 2017-08-30  Martin Liska  <mliska@suse.cz>
2001
2002         PR inline-asm/82001
2003         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
2004         Rename to ...
2005         (func_checker::compare_asm_inputs_outputs): ... this function.
2006         (func_checker::compare_gimple_asm): Use the function to compare
2007         also ASM constrains.
2008         * ipa-icf-gimple.h: Rename the function.
2009
2010 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2011             Alan Hayward  <alan.hayward@arm.com>
2012             David Sherwood  <david.sherwood@arm.com>
2013
2014         * coretypes.h (complex_mode): New type.
2015         * gdbhooks.py (build_pretty_printer): Handle it.
2016         * machmode.h (complex_mode): New class.
2017         (complex_mode::includes_p): New function.
2018         (is_complex_int_mode): Likewise.
2019         (is_complex_float_mode): Likewise.
2020         * genmodes.c (get_mode_class): Handle complex mode classes.
2021         * function.c (expand_function_end): Use is_complex_int_mode.
2022
2023 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2024             Alan Hayward  <alan.hayward@arm.com>
2025             David Sherwood  <david.sherwood@arm.com>
2026
2027         * coretypes.h (scalar_mode_pod): New typedef.
2028         * gdbhooks.py (build_pretty_printer): Handle it.
2029         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
2030         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
2031         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
2032         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
2033         as_a <scalar_mode>.
2034
2035 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2036             Alan Hayward  <alan.hayward@arm.com>
2037             David Sherwood  <david.sherwood@arm.com>
2038
2039         * machmode.h (mode_for_vector): Take a scalar_mode instead
2040         of a machine_mode.
2041         * stor-layout.c (mode_for_vector): Likewise.
2042         * explow.c (promote_mode): Use as_a <scalar_mode>.
2043         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
2044
2045 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2046             Alan Hayward  <alan.hayward@arm.com>
2047             David Sherwood  <david.sherwood@arm.com>
2048
2049         * target.def (preferred_simd_mode): Take a scalar_mode
2050         instead of a machine_mode.
2051         * targhooks.h (default_preferred_simd_mode): Likewise.
2052         * targhooks.c (default_preferred_simd_mode): Likewise.
2053         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
2054         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
2055         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
2056         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
2057         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
2058         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
2059         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
2060         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
2061         Likewise.
2062         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
2063         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
2064         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
2065         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
2066         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
2067         * doc/tm.texi: Regenerate.
2068         * optabs-query.c (can_vec_mask_load_store_p): Return false for
2069         non-scalar modes.
2070
2071 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2072             Alan Hayward  <alan.hayward@arm.com>
2073             David Sherwood  <david.sherwood@arm.com>
2074
2075         * target.def (scalar_mode_supported_p): Take a scalar_mode
2076         instead of a machine_mode.
2077         * targhooks.h (default_scalar_mode_supported_p): Likewise.
2078         * targhooks.c (default_scalar_mode_supported_p): Likewise.
2079         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
2080         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2081         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
2082         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
2083         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
2084         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
2085         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
2086         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
2087         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
2088         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
2089         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
2090         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
2091         Likewise.
2092         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
2093         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
2094         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
2095         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
2096         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
2097         Likewise.
2098         * doc/tm.texi: Regenerate.
2099
2100 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2101             Alan Hayward  <alan.hayward@arm.com>
2102             David Sherwood  <david.sherwood@arm.com>
2103
2104         * coretypes.h (opt_scalar_mode): New typedef.
2105         * gdbhooks.py (build_pretty_printers): Handle it.
2106         * machmode.h (mode_iterator::get_2xwider): Add overload for
2107         opt_mode<T>.
2108         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
2109         over scalar modes.
2110         * expr.c (convert_mode_scalar): Likewise.
2111         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2112         * optabs.c (expand_float): Likewise.
2113         (expand_fix): Likewise.
2114         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2115
2116 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2117             Alan Hayward  <alan.hayward@arm.com>
2118             David Sherwood  <david.sherwood@arm.com>
2119
2120         * optabs.c (expand_float): Explicitly check for scalars before
2121         using a branching expansion.
2122         (expand_fix): Likewise.
2123
2124 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2125             Alan Hayward  <alan.hayward@arm.com>
2126             David Sherwood  <david.sherwood@arm.com>
2127
2128         * expr.c (convert_mode): Split scalar handling out into...
2129         (convert_mode_scalar): ...this new function.  Treat the modes
2130         as scalar_modes.
2131
2132 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2133             Alan Hayward  <alan.hayward@arm.com>
2134             David Sherwood  <david.sherwood@arm.com>
2135
2136         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
2137         and scalar_mode.
2138         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
2139
2140 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2141             Alan Hayward  <alan.hayward@arm.com>
2142             David Sherwood  <david.sherwood@arm.com>
2143
2144         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
2145         rather than a machine_mode.
2146         (fixed_from_string): Likewise.
2147         (fixed_convert): Likewise.
2148         (fixed_convert_from_int): Likewise.
2149         (fixed_convert_from_real): Likewise.
2150         (real_convert_from_fixed): Likewise.
2151         * fixed-value.c (fixed_from_double_int): Likewise.
2152         (fixed_from_string): Likewise.
2153         (fixed_convert): Likewise.
2154         (fixed_convert_from_int): Likewise.
2155         (fixed_convert_from_real): Likewise.
2156         (real_convert_from_fixed): Likewise.
2157         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
2158
2159 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2160             Alan Hayward  <alan.hayward@arm.com>
2161             David Sherwood  <david.sherwood@arm.com>
2162
2163         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
2164         of separate mode class checks.  Do not allow vector modes here.
2165         (immed_wide_int_const): Use as_a <scalar_mode>.
2166         * explow.c (trunc_int_for_mode): Likewise.
2167         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
2168         (wi::shwi): Likewise.
2169         (wi::min_value): Likewise.
2170         (wi::max_value): Likewise.
2171         * dwarf2out.c (loc_descriptor): Likewise.
2172         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
2173         for CONST_WIDE_INT.
2174
2175 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2176             Alan Hayward  <alan.hayward@arm.com>
2177             David Sherwood  <david.sherwood@arm.com>
2178
2179         * tree.h (SCALAR_TYPE_MODE): New macro.
2180         * expr.c (expand_expr_addr_expr_1): Use it.
2181         (expand_expr_real_2): Likewise.
2182         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
2183         (fold_convert_const_fixed_from_int): Likewise.
2184         (fold_convert_const_fixed_from_real): Likewise.
2185         (native_encode_fixed): Likewise
2186         (native_encode_complex): Likewise
2187         (native_encode_vector): Likewise.
2188         (native_interpret_fixed): Likewise.
2189         (native_interpret_real): Likewise.
2190         (native_interpret_complex): Likewise.
2191         (native_interpret_vector): Likewise.
2192         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
2193         (simd_clone_adjust_argument_types): Likewise.
2194         (simd_clone_init_simd_arrays): Likewise.
2195         (simd_clone_adjust): Likewise.
2196         * stor-layout.c (layout_type): Likewise.
2197         * tree.c (build_minus_one_cst): Likewise.
2198         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2199         * tree-inline.c (estimate_move_cost): Likewise.
2200         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
2201         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
2202         (vectorizable_reduction): Likewise.
2203         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
2204         (vect_recog_mixed_size_cond_pattern): Likewise.
2205         (check_bool_pattern): Likewise.
2206         (adjust_bool_pattern): Likewise.
2207         (search_type_for_mask_1): Likewise.
2208         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
2209         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2210         (vectorizable_load): Likewise.
2211         (vectorizable_store): Likewise.
2212         * ubsan.c (ubsan_encode_value): Likewise.
2213         * varasm.c (output_constant): Likewise.
2214
2215 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2216             Alan Hayward  <alan.hayward@arm.com>
2217             David Sherwood  <david.sherwood@arm.com>
2218
2219         * coretypes.h (scalar_mode): New class.
2220         * machmode.h (scalar_mode): Likewise.
2221         (scalar_mode::includes_p): New function.
2222         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
2223         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
2224         * genmodes.c (get_mode_class): Handle remaining scalar modes.
2225         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
2226         * expmed.c (store_bit_field_1): Likewise.
2227         (extract_bit_field_1): Likewise.
2228         * expr.c (write_complex_part): Likewise.
2229         (read_complex_part): Likewise.
2230         (emit_move_complex_push): Likewise.
2231         (expand_expr_real_2): Likewise.
2232         * function.c (assign_parm_setup_reg): Likewise.
2233         (assign_parms_unsplit_complex): Likewise.
2234         * optabs.c (expand_binop): Likewise.
2235         * rtlanal.c (subreg_get_info): Likewise.
2236         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2237         * varasm.c (output_constant_pool_2): Likewise.
2238
2239 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2240             Alan Hayward  <alan.hayward@arm.com>
2241             David Sherwood  <david.sherwood@arm.com>
2242
2243         * expmed.c (extract_high_half): Use scalar_int_mode and remove
2244         assertion.
2245         (expmed_mult_highpart_optab): Likewise.
2246         (expmed_mult_highpart): Likewise.
2247
2248 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2249             Alan Hayward  <alan.hayward@arm.com>
2250             David Sherwood  <david.sherwood@arm.com>
2251
2252         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
2253         instead of a machine_mode.
2254         (builtin_memset_read_str): Likewise.
2255         * builtins.c (c_readstr): Likewise.
2256         (builtin_memcpy_read_str): Likewise.
2257         (builtin_strncpy_read_str): Likewise.
2258         (builtin_memset_read_str): Likewise.
2259         (builtin_memset_gen_str): Likewise.
2260         (expand_builtin_signbit): Use scalar_int_mode for local variables.
2261         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
2262         instead of a machine_mode.
2263         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
2264         variables.
2265         (make_extraction): Likewise.
2266         (try_widen_shift_mode): Take and return scalar_int_modes instead
2267         of machine_modes.
2268         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
2269         a scalar_int_mode instead of a machine_mode.
2270         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
2271         (avr_addr_space_pointer_mode): Likewise.
2272         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
2273         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
2274         (msp430_unwind_word_mode): Likewise.
2275         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
2276         (spu_addr_space_pointer_mode): Likewise.
2277         (spu_addr_space_address_mode): Likewise.
2278         (spu_libgcc_cmp_return_mode): Likewise.
2279         (spu_libgcc_shift_count_mode): Likewise.
2280         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
2281         (rl78_addr_space_pointer_mode): Likewise.
2282         (fl78_unwind_word_mode): Likewise.
2283         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
2284         machine_mode.
2285         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
2286         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
2287         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
2288         (mips_valid_pointer_mode): Likewise.
2289         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
2290         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
2291         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
2292         of a machine_mode.
2293         (ft32_addr_space_address_mode): Likewise.
2294         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
2295         scalar_int_mode instead of a machine_mode.
2296         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
2297         of a machine_mode.
2298         (m32c_addr_space_address_mode): Likewise.
2299         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
2300         (rs6000_eh_return_filter_mode): Likewise.
2301         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
2302         (rs6000_eh_return_filter_mode): Likewise.
2303         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
2304         (s390_libgcc_shift_count_mode): Likewise.
2305         (s390_unwind_word_mode): Likewise.
2306         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
2307         machine_mode.
2308         * target.def (mode_rep_extended): Likewise.
2309         (valid_pointer_mode): Likewise.
2310         (addr_space.valid_pointer_mode): Likewise.
2311         (eh_return_filter_mode): Return a scalar_int_mode rather than
2312         a machine_mode.
2313         (libgcc_cmp_return_mode): Likewise.
2314         (libgcc_shift_count_mode): Likewise.
2315         (unwind_word_mode): Likewise.
2316         (addr_space.pointer_mode): Likewise.
2317         (addr_space.address_mode): Likewise.
2318         * doc/tm.texi: Regenerate.
2319         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
2320         a machine_mode.
2321         (do_jump): Use scalar_int_mode for local variables.
2322         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
2323         rather than a machine_mode.
2324         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
2325         (scompare_loc_descriptor_wide): Likewise.
2326         (scompare_loc_descriptor_narrow): Likewise.
2327         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
2328         variables.
2329         * except.c (sjlj_emit_dispatch_table): Likewise.
2330         (expand_builtin_eh_copy_values): Likewise.
2331         * explow.c (convert_memory_address_addr_space_1): Likewise.
2332         Take a scalar_int_mode rather than a machine_mode.
2333         (convert_memory_address_addr_space): Take a scalar_int_mode rather
2334         than a machine_mode.
2335         (memory_address_addr_space): Use scalar_int_mode for local variables.
2336         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
2337         rather than a machine_mode.
2338         * expmed.c (mask_rtx): Likewise.
2339         (init_expmed_one_conv): Likewise.
2340         (expand_mult_highpart_adjust): Likewise.
2341         (extract_high_half): Likewise.
2342         (expmed_mult_highpart_optab): Likewise.
2343         (expmed_mult_highpart): Likewise.
2344         (expand_smod_pow2): Likewise.
2345         (expand_sdiv_pow2): Likewise.
2346         (emit_store_flag_int): Likewise.
2347         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
2348         variables.
2349         (extract_low_bits): Likewise.
2350         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
2351         a machine_mode.
2352         * expr.c (pieces_addr::adjust):  Likewise.
2353         (can_store_by_pieces): Likewise.
2354         (store_by_pieces): Likewise.
2355         (clear_by_pieces_1): Likewise.
2356         (expand_expr_addr_expr_1): Likewise.
2357         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
2358         (expand_expr_real_1): Likewise.
2359         (try_casesi): Likewise.
2360         * final.c (shorten_branches): Likewise.
2361         * fold-const.c (fold_convert_const_int_from_fixed): Change the
2362         type of "mode" to machine_mode.
2363         * internal-fn.c (expand_arith_overflow_result_store): Take a
2364         scalar_int_mode rather than a machine_mode.
2365         (expand_mul_overflow): Use scalar_int_mode for local variables.
2366         * loop-doloop.c (doloop_modify): Likewise.
2367         (doloop_optimize): Likewise.
2368         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
2369         than a machine_mode.
2370         (expand_doubleword_shift_condmove): Likewise.
2371         (expand_doubleword_shift): Likewise.
2372         (expand_doubleword_clz): Likewise.
2373         (expand_doubleword_popcount): Likewise.
2374         (expand_doubleword_parity): Likewise.
2375         (expand_absneg_bit): Use scalar_int_mode for local variables.
2376         (prepare_float_lib_cmp): Likewise.
2377         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
2378         rather than a machine_mode.
2379         (convert_memory_address_addr_space): Likewise.
2380         (get_mode_bounds): Likewise.
2381         (get_address_mode): Return a scalar_int_mode rather than a
2382         machine_mode.
2383         * rtlanal.c (get_address_mode): Likewise.
2384         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
2385         than a machine_mode.
2386         * targhooks.c (default_mode_rep_extended): Likewise.
2387         (default_valid_pointer_mode): Likewise.
2388         (default_addr_space_valid_pointer_mode): Likewise.
2389         (default_eh_return_filter_mode): Return a scalar_int_mode rather
2390         than a machine_mode.
2391         (default_libgcc_cmp_return_mode): Likewise.
2392         (default_libgcc_shift_count_mode): Likewise.
2393         (default_unwind_word_mode): Likewise.
2394         (default_addr_space_pointer_mode): Likewise.
2395         (default_addr_space_address_mode): Likewise.
2396         * targhooks.h (default_eh_return_filter_mode): Likewise.
2397         (default_libgcc_cmp_return_mode): Likewise.
2398         (default_libgcc_shift_count_mode): Likewise.
2399         (default_unwind_word_mode): Likewise.
2400         (default_addr_space_pointer_mode): Likewise.
2401         (default_addr_space_address_mode): Likewise.
2402         (default_mode_rep_extended): Take a scalar_int_mode rather than
2403         a machine_mode.
2404         (default_valid_pointer_mode): Likewise.
2405         (default_addr_space_valid_pointer_mode): Likewise.
2406         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
2407         local variables.
2408         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
2409         rather than a machine_mode.
2410         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
2411         for local variables.
2412         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2413         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
2414         than a machine_mode.
2415
2416 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2417             Alan Hayward  <alan.hayward@arm.com>
2418             David Sherwood  <david.sherwood@arm.com>
2419
2420         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
2421         the mode argument to scalar_int_mode.
2422         (do_jump_by_parts_zero_rtx): Likewise.
2423         (do_jump_by_parts_equality_rtx): Likewise.
2424         (do_jump_by_parts_greater): Take a mode argument.
2425         (do_jump_by_parts_equality): Likewise.
2426         (do_jump_1): Update calls accordingly.
2427
2428 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2429             Alan Hayward  <alan.hayward@arm.com>
2430             David Sherwood  <david.sherwood@arm.com>
2431
2432         * is-a.h (safe_dyn_cast): New function.
2433         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
2434         (jump_table_for_label): Likewise.
2435         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
2436         instead of an rtx_insn *.
2437         (shorten_branches): Use dyn_cast instead of LABEL_P and
2438         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
2439         rtx_jump_table_data::get_data_mode.
2440         (final_scan_insn): Likewise.
2441
2442 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2443             Alan Hayward  <alan.hayward@arm.com>
2444             David Sherwood  <david.sherwood@arm.com>
2445
2446         * combine.c (try_combine): Use is_a <scalar_int_mode> when
2447         trying to combine a full-register integer set with a subreg
2448         integer set.
2449
2450 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2451             Alan Hayward  <alan.hayward@arm.com>
2452             David Sherwood  <david.sherwood@arm.com>
2453
2454         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
2455         that is always either address_mode or pointer_mode.
2456
2457 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2458             Alan Hayward  <alan.hayward@arm.com>
2459             David Sherwood  <david.sherwood@arm.com>
2460
2461         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
2462         when the two are known to be equal.
2463
2464 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2465             Alan Hayward  <alan.hayward@arm.com>
2466             David Sherwood  <david.sherwood@arm.com>
2467
2468         * simplify-rtx.c (simplify_const_unary_operation): Use
2469         is_a <scalar_int_mode> instead of checking for a nonzero
2470         precision.  Forcibly convert op_mode to a scalar_int_mode
2471         in that case.  More clearly differentiate the operand and
2472         result modes and use the former when deciding what the value
2473         of a count-bits operation should be.  Use is_int_mode instead
2474         of checking for a MODE_INT.  Remove redundant check for whether
2475         this mode has a zero precision.
2476
2477 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2478             Alan Hayward  <alan.hayward@arm.com>
2479             David Sherwood  <david.sherwood@arm.com>
2480
2481         * optabs.c (widen_leading): Change the type of the mode argument
2482         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
2483         (widen_bswap): Likewise.
2484         (expand_parity): Likewise.
2485         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
2486         (expand_ffs): Likewise.
2487         (epand_unop): Check for scalar integer modes before calling the
2488         above routines.
2489
2490 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2491             Alan Hayward  <alan.hayward@arm.com>
2492             David Sherwood  <david.sherwood@arm.com>
2493
2494         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
2495         Expand commentary.
2496         (expand_expr_real_1): Update call accordingly.
2497
2498 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2499             Alan Hayward  <alan.hayward@arm.com>
2500             David Sherwood  <david.sherwood@arm.com>
2501
2502         * expmed.c (store_bit_field_using_insv): Add op0_mode and
2503         value_mode arguments.  Use scalar_int_mode internally.
2504         (store_bit_field_1): Rename the new integer mode from imode
2505         to op0_mode and use it instead of GET_MODE (op0).  Update calls
2506         to store_split_bit_field, store_bit_field_using_insv and
2507         store_fixed_bit_field.
2508         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
2509         Use scalar_int_mode internally.  Use a bit count rather than a mode
2510         when calculating the largest bit size for get_best_mode.
2511         Update calls to store_split_bit_field and store_fixed_bit_field_1.
2512         (store_fixed_bit_field_1): Add mode and value_mode arguments.
2513         Remove assertion that OP0 has a scalar integer mode.
2514         (store_split_bit_field): Add op0_mode and value_mode arguments.
2515         Update calls to extract_fixed_bit_field.
2516         (extract_bit_field_using_extv): Add an op0_mode argument.
2517         Use scalar_int_mode internally.
2518         (extract_bit_field_1): Rename the new integer mode from imode to
2519         op0_mode and use it instead of GET_MODE (op0).  Update calls to
2520         extract_split_bit_field, extract_bit_field_using_extv and
2521         extract_fixed_bit_field.
2522         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
2523         to extract_split_bit_field and extract_fixed_bit_field_1.
2524         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
2525         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
2526         on the target mode.
2527         (extract_split_bit_field): Add an op0_mode argument.  Update call
2528         to extract_fixed_bit_field.
2529
2530 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2531             Alan Hayward  <alan.hayward@arm.com>
2532             David Sherwood  <david.sherwood@arm.com>
2533
2534         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
2535         * explow.c (hard_function_value): Likewise.
2536         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
2537         convert_to_mode call outside the loop.
2538         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
2539         for the mode iterator.  Require the mode specified by max_pieces
2540         to exist.
2541         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
2542         mode iterator.
2543         (copy_blkmode_to_reg): Likewise.
2544         (set_storage_via_setmem): Likewise.
2545         * optabs.c (prepare_cmp_insn): Likewise.
2546         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2547         * stor-layout.c (finish_bitfield_representative): Likewise.
2548
2549 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2550             Alan Hayward  <alan.hayward@arm.com>
2551             David Sherwood  <david.sherwood@arm.com>
2552
2553         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
2554         * expr.c (convert_move): Use them.
2555         (convert_modes): Likewise.
2556         (store_expr_with_bounds): Likewise.
2557
2558 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2559             Alan Hayward  <alan.hayward@arm.com>
2560             David Sherwood  <david.sherwood@arm.com>
2561
2562         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
2563         parameter for the mode of "x".  Remove the "known_x", "known_mode"
2564         and "known_ret" arguments.  Change the type of the mode argument
2565         to scalar_int_mode.
2566         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
2567         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
2568         (reg_num_sign_bit_copies_for_combine): Likewise.
2569         * rtlanal.c (nonzero_bits1): Likewise.
2570         (num_sign_bit_copies1): Likewise.
2571         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
2572         (reg_num_sign_bit_copies_general): Likewise.
2573         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
2574         (reg_nonzero_bits_general): Likewise.
2575
2576 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2577             Alan Hayward  <alan.hayward@arm.com>
2578             David Sherwood  <david.sherwood@arm.com>
2579
2580         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
2581         than in subroutines.  Return 1 for non-integer modes.
2582         (cached_num_sign_bit_copies): Change the type of the mode parameter
2583         to scalar_int_mode.
2584         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
2585         classes.  Handle CONST_INT_P first and then check whether X also
2586         has a scalar integer mode.  Check the same thing for inner registers
2587         of a SUBREG and for values that are being extended or truncated.
2588
2589 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2590             Alan Hayward  <alan.hayward@arm.com>
2591             David Sherwood  <david.sherwood@arm.com>
2592
2593         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
2594         in subroutines.  Return the mode mask for non-integer modes.
2595         (cached_nonzero_bits): Change the type of the mode parameter
2596         to scalar_int_mode.
2597         (nonzero_bits1): Likewise.  Remove early exit for other mode
2598         classes.  Handle CONST_INT_P first and then check whether X
2599         also has a scalar integer mode.
2600
2601 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2602             Alan Hayward  <alan.hayward@arm.com>
2603             David Sherwood  <david.sherwood@arm.com>
2604
2605         * expr.c (widest_int_mode_for_size): Make the comment match the code.
2606         Return a scalar_int_mode and assert that the size is greater than
2607         one byte.
2608         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
2609         (op_by_pieces_d::op_by_pieces_d): Likewise.
2610         (op_by_pieces_d::run): Likewise.
2611         (can_store_by_pieces): Likewise.
2612
2613 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2614             Alan Hayward  <alan.hayward@arm.com>
2615             David Sherwood  <david.sherwood@arm.com>
2616
2617         * combine.c (extract_left_shift): Add a mode argument and update
2618         recursive calls.
2619         (make_compound_operation_int): Change the type of the mode parameter
2620         to scalar_int_mode and update the call to extract_left_shift.
2621
2622 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2623             Alan Hayward  <alan.hayward@arm.com>
2624             David Sherwood  <david.sherwood@arm.com>
2625
2626         * combine.c (simplify_and_const_int): Change the type of the mode
2627         parameter to scalar_int_mode.
2628         (simplify_and_const_int_1): Likewise.  Update recursive call.
2629
2630 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2631             Alan Hayward  <alan.hayward@arm.com>
2632             David Sherwood  <david.sherwood@arm.com>
2633
2634         * combine.c (simplify_compare_const): Check that the mode is a
2635         scalar_int_mode (rather than VOIDmode) before testing its
2636         precision.
2637         (simplify_comparison): Move COMPARISON_P handling out of the
2638         loop and restrict the latter part of the loop to scalar_int_modes.
2639         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
2640         and when considering SUBREG_REGs.  Use is_int_mode instead of
2641         checking GET_MODE_CLASS against MODE_INT.
2642
2643 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2644             Alan Hayward  <alan.hayward@arm.com>
2645             David Sherwood  <david.sherwood@arm.com>
2646
2647         * combine.c (try_widen_shift_mode): Move check for equal modes to...
2648         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
2649         shift_unit_mode and for modes involved in scalar shifts.
2650
2651 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2652             Alan Hayward  <alan.hayward@arm.com>
2653             David Sherwood  <david.sherwood@arm.com>
2654
2655         * combine.c (force_int_to_mode): New function, split out from...
2656         (force_to_mode): ...here.  Keep xmode up-to-date and use it
2657         instead of GET_MODE (x).
2658
2659 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2660             Alan Hayward  <alan.hayward@arm.com>
2661             David Sherwood  <david.sherwood@arm.com>
2662
2663         * optabs-query.h (extraction_insn::struct_mode): Change type to
2664         opt_scalar_int_mode and update comment.
2665         (extraction_insn::field_mode): Change type to scalar_int_mode.
2666         (extraction_insn::pos_mode): Likewise.
2667         * combine.c (make_extraction): Update accordingly.
2668         * optabs-query.c (get_traditional_extraction_insn): Likewise.
2669         (get_optab_extraction_insn): Likewise.
2670         * recog.c (simplify_while_replacing): Likewise.
2671         * expmed.c (narrow_bit_field_mem): Change the type of the mode
2672         parameter to opt_scalar_int_mode.
2673
2674 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2675             Alan Hayward  <alan.hayward@arm.com>
2676             David Sherwood  <david.sherwood@arm.com>
2677
2678         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
2679         to a scalar_int_mode instead of a machine_mode.
2680         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
2681         (get_best_mode): Return a boolean and use a pointer argument to store
2682         the selected mode.  Replace the limit mode parameter with a bit limit.
2683         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
2684         for the values returned by bit_field_mode_iterator::next_mode.
2685         (store_bit_field): Update call to get_best_mode.
2686         (store_fixed_bit_field): Likewise.
2687         (extract_fixed_bit_field): Likewise.
2688         * expr.c (optimize_bitfield_assignment_op): Likewise.
2689         * fold-const.c (optimize_bit_field_compare): Likewise.
2690         (fold_truth_andor_1): Likewise.
2691         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
2692         Update for new type of m_mode.
2693         (get_best_mode): As above.
2694
2695 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2696             Alan Hayward  <alan.hayward@arm.com>
2697             David Sherwood  <david.sherwood@arm.com>
2698
2699         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
2700         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
2701         (store_bit_field): Check is_a <scalar_int_mode> before calling
2702         strict_volatile_bitfield_p.
2703         (extract_bit_field): Likewise.
2704
2705 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2706             Alan Hayward  <alan.hayward@arm.com>
2707             David Sherwood  <david.sherwood@arm.com>
2708
2709         * target.def (cstore_mode): Return a scalar_int_mode.
2710         * doc/tm.texi: Regenerate.
2711         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
2712         * targhooks.h (default_cstore_mode): Likewise.
2713         * targhooks.c (default_cstore_mode): Likewise, using a forced
2714         conversion.
2715         * expmed.c (emit_cstore): Expect the target of the cstore to be
2716         a scalar_int_mode.
2717
2718 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2719             Alan Hayward  <alan.hayward@arm.com>
2720             David Sherwood  <david.sherwood@arm.com>
2721
2722         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
2723         scalar_int_mode.
2724         (niter_desc): Likewise mode.
2725         (iv_analyze): Add a mode parameter.
2726         (biv_p): Likewise.
2727         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
2728         and change its type to scalar_int_mode.
2729         * loop-iv.c: Update commentary at head of file.
2730         (iv_constant): Pass the mode paraeter before the rtx it describes
2731         and change its type to scalar_int_mode.  Remove VOIDmode handling.
2732         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
2733         (iv_extend): Likewise.
2734         (shorten_into_mode): Likewise.
2735         (iv_add): Use scalar_int_mode.
2736         (iv_mult): Likewise.
2737         (iv_shift): Likewise.
2738         (canonicalize_iv_subregs): Likewise.
2739         (get_biv_step_1): Pass the outer_mode parameter before the rtx
2740         it describes and change its mode to scalar_int_mode.   Also change
2741         the type of the returned inner_mode to scalar_int_mode.
2742         (get_biv_step): Likewise, turning outer_mode from a pointer
2743         into a direct parameter.  Update call to get_biv_step_1.
2744         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
2745         iv_constant and get_biv_step.
2746         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
2747         and change its type to scalar_int_mode.  Don't initialise iv->mode
2748         to VOIDmode and remove later checks for its still being VOIDmode.
2749         Update calls to iv_analyze_op and iv_analyze_expr.  Check
2750         is_a <scalar_int_mode> when changing the mode under consideration.
2751         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
2752         Update call to iv_analyze_expr.
2753         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
2754         inner register is not also a scalar_int_mode.  Update call to
2755         iv_analyze_biv.
2756         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
2757         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
2758         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
2759         separate mode class checks.  Update calls to iv_analyze.  Remove
2760         fix-up of VOIDmodes after iv_analyze_biv.
2761         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
2762         don't have a scalar_int_mode.  Update call to biv_p.
2763
2764 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2765             Alan Hayward  <alan.hayward@arm.com>
2766             David Sherwood  <david.sherwood@arm.com>
2767
2768         * cfgexpand.c (convert_debug_memory_address): Use
2769         as_a <scalar_int_mode>.
2770         * combine.c (expand_compound_operation): Likewise.
2771         (make_extraction): Likewise.
2772         (change_zero_ext): Likewise.
2773         (simplify_comparison): Likewise.
2774         * cse.c (cse_insn): Likewise.
2775         * dwarf2out.c (minmax_loc_descriptor): Likewise.
2776         (mem_loc_descriptor): Likewise.
2777         (loc_descriptor): Likewise.
2778         * expmed.c (init_expmed_one_mode): Likewise.
2779         (synth_mult): Likewise.
2780         (emit_store_flag_1): Likewise.
2781         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
2782         of a comparison with size.
2783         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
2784         (reduce_to_bit_field_precision): Likewise.
2785         * function.c (expand_function_end): Likewise.
2786         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
2787         * loop-doloop.c (doloop_modify): Likewise.
2788         * optabs.c (expand_binop): Likewise.
2789         (expand_unop): Likewise.
2790         (expand_copysign_absneg): Likewise.
2791         (prepare_cmp_insn): Likewise.
2792         (maybe_legitimize_operand): Likewise.
2793         * recog.c (const_scalar_int_operand): Likewise.
2794         * rtlanal.c (get_address_mode): Likewise.
2795         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2796         (simplify_cond_clz_ctz): Likewise.
2797         * tree-nested.c (get_nl_goto_field): Likewise.
2798         * tree.c (build_vector_type_for_mode): Likewise.
2799         * var-tracking.c (use_narrower_mode): Likewise.
2800
2801 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2802             Alan Hayward  <alan.hayward@arm.com>
2803             David Sherwood  <david.sherwood@arm.com>
2804
2805         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
2806         * builtins.c (expand_builtin_signbit): Use it.
2807         * cfgexpand.c (expand_debug_expr): Likewise.
2808         * dojump.c (do_jump): Likewise.
2809         (do_compare_and_jump): Likewise.
2810         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
2811         * expmed.c (make_tree): Likewise.
2812         * expr.c (expand_expr_real_2): Likewise.
2813         (expand_expr_real_1): Likewise.
2814         (try_casesi): Likewise.
2815         * fold-const-call.c (fold_const_call_ss): Likewise.
2816         * fold-const.c (unextend): Likewise.
2817         (extract_muldiv_1): Likewise.
2818         (fold_single_bit_test): Likewise.
2819         (native_encode_int): Likewise.
2820         (native_encode_string): Likewise.
2821         (native_interpret_int): Likewise.
2822         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
2823         * internal-fn.c (expand_addsub_overflow): Likewise.
2824         (expand_neg_overflow): Likewise.
2825         (expand_mul_overflow): Likewise.
2826         (expand_arith_overflow): Likewise.
2827         * match.pd: Likewise.
2828         * stor-layout.c (layout_type): Likewise.
2829         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2830         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
2831         * tree-ssanames.c (get_range_info): Likewise.
2832         * tree-switch-conversion.c (array_value_type) Likewise.
2833         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
2834         (vect_recog_divmod_pattern): Likewise.
2835         (vect_recog_mixed_size_cond_pattern): Likewise.
2836         * tree-vrp.c (extract_range_basic): Likewise.
2837         (simplify_float_conversion_using_ranges): Likewise.
2838         * tree.c (int_fits_type_p): Likewise.
2839         * ubsan.c (instrument_bool_enum_load): Likewise.
2840         * varasm.c (mergeable_string_section): Likewise.
2841         (narrowing_initializer_constant_valid_p): Likewise.
2842         (output_constant): Likewise.
2843
2844 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2845             Alan Hayward  <alan.hayward@arm.com>
2846             David Sherwood  <david.sherwood@arm.com>
2847
2848         * machmode.h (NARROWEST_INT_MODE): New macro.
2849         * expr.c (alignment_for_piecewise_move): Use it instead of
2850         GET_CLASS_NARROWEST_MODE (MODE_INT).
2851         (push_block): Likewise.
2852         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
2853         Likewise.
2854         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2855
2856 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2857             Alan Hayward  <alan.hayward@arm.com>
2858             David Sherwood  <david.sherwood@arm.com>
2859
2860         * postreload.c (move2add_valid_value_p): Change the type of the
2861         mode parameter to scalar_int_mode.
2862         (move2add_use_add2_insn): Add a mode parameter and use it instead
2863         of GET_MODE (reg).
2864         (move2add_use_add3_insn): Likewise.
2865         (reload_cse_move2add): Update accordingly.
2866
2867 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2868             Alan Hayward  <alan.hayward@arm.com>
2869             David Sherwood  <david.sherwood@arm.com>
2870
2871         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
2872         double-word mode.
2873         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
2874         * optabs.c (expand_unop): Likewise.
2875
2876 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2877             Alan Hayward  <alan.hayward@arm.com>
2878             David Sherwood  <david.sherwood@arm.com>
2879
2880         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
2881         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
2882         (popcount_loc_descriptor): Likewise.
2883         (bswap_loc_descriptor): Likewise.
2884         (rotate_loc_descriptor): Likewise.
2885         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
2886         calling the functions above.
2887
2888 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2889             Alan Hayward  <alan.hayward@arm.com>
2890             David Sherwood  <david.sherwood@arm.com>
2891
2892         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
2893         checks.
2894         (try_combine): Likewise.
2895         (simplify_if_then_else): Likewise.
2896         * cse.c (cse_insn): Likewise.
2897         * dwarf2out.c (mem_loc_descriptor): Likewise.
2898         * emit-rtl.c (gen_lowpart_common): Likewise.
2899         * simplify-rtx.c (simplify_truncation): Likewise.
2900         (simplify_binary_operation_1): Likewise.
2901         (simplify_const_relational_operation): Likewise.
2902         (simplify_ternary_operation): Likewise.
2903         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2904
2905 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2906             Alan Hayward  <alan.hayward@arm.com>
2907             David Sherwood  <david.sherwood@arm.com>
2908
2909         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
2910         * reload.c (push_reload): Likewise.
2911         (find_reloads): Likewise.
2912
2913 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2914             Alan Hayward  <alan.hayward@arm.com>
2915             David Sherwood  <david.sherwood@arm.com>
2916
2917         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
2918         (make_compound_operation_int): Likewise.
2919         (change_zero_ext): Likewise.
2920         * expr.c (convert_move): Likewise.
2921         (convert_modes): Likewise.
2922         * fwprop.c (forward_propagate_subreg): Likewise.
2923         * loop-iv.c (get_biv_step_1): Likewise.
2924         * optabs.c (widen_operand): Likewise.
2925         * postreload.c (move2add_valid_value_p): Likewise.
2926         * recog.c (simplify_while_replacing): Likewise.
2927         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2928         (simplify_binary_operation_1): Likewise.  Remove redundant
2929         mode equality check.
2930
2931 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2932             Alan Hayward  <alan.hayward@arm.com>
2933             David Sherwood  <david.sherwood@arm.com>
2934
2935         * combine.c (combine_simplify_rtx): Add checks for
2936         is_a <scalar_int_mode>.
2937         (simplify_if_then_else): Likewise.
2938         (make_field_assignment): Likewise.
2939         (simplify_comparison): Likewise.
2940         * ifcvt.c (noce_try_bitop): Likewise.
2941         * loop-invariant.c (canonicalize_address_mult): Likewise.
2942         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2943
2944 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2945             Alan Hayward  <alan.hayward@arm.com>
2946             David Sherwood  <david.sherwood@arm.com>
2947
2948         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
2949         is_a <scalar_int_mode> instead of != BLKmode.
2950
2951 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2952             Alan Hayward  <alan.hayward@arm.com>
2953             David Sherwood  <david.sherwood@arm.com>
2954
2955         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
2956         instead of != VOIDmode.
2957         * combine.c (if_then_else_cond): Likewise.
2958         (change_zero_ext): Likewise.
2959         * dwarf2out.c (mem_loc_descriptor): Likewise.
2960         (loc_descriptor): Likewise.
2961         * rtlanal.c (canonicalize_condition): Likewise.
2962         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
2963
2964 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2965             Alan Hayward  <alan.hayward@arm.com>
2966             David Sherwood  <david.sherwood@arm.com>
2967
2968         * simplify-rtx.c (simplify_binary_operation_1): Use
2969         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
2970
2971 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2972             Alan Hayward  <alan.hayward@arm.com>
2973             David Sherwood  <david.sherwood@arm.com>
2974
2975         * wide-int.h (int_traits<unsigned char>) New class.
2976         (int_traits<unsigned short>) Likewise.
2977         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
2978         Use GET_MODE_UNIT_PRECISION and remove redundant test for
2979         SCALAR_INT_MODE_P.
2980         * combine.c (set_nonzero_bits_and_sign_copies): Use
2981         is_a <scalar_int_mode>.
2982         (find_split_point): Likewise.
2983         (combine_simplify_rtx): Likewise.
2984         (simplify_logical): Likewise.
2985         (expand_compound_operation): Likewise.
2986         (expand_field_assignment): Likewise.
2987         (make_compound_operation): Likewise.
2988         (extended_count): Likewise.
2989         (change_zero_ext): Likewise.
2990         (simplify_comparison): Likewise.
2991         * dwarf2out.c (scompare_loc_descriptor): Likewise.
2992         (ucompare_loc_descriptor): Likewise.
2993         (minmax_loc_descriptor): Likewise.
2994         (mem_loc_descriptor): Likewise.
2995         (loc_descriptor): Likewise.
2996         * expmed.c (init_expmed_one_mode): Likewise.
2997         * lra-constraints.c (lra_constraint_offset): Likewise.
2998         * optabs.c (prepare_libcall_arg): Likewise.
2999         * postreload.c (move2add_note_store): Likewise.
3000         * reload.c (operands_match_p): Likewise.
3001         * rtl.h (load_extend_op): Likewise.
3002         * rtlhooks.c (gen_lowpart_general): Likewise.
3003         * simplify-rtx.c (simplify_truncation): Likewise.
3004         (simplify_unary_operation_1): Likewise.
3005         (simplify_binary_operation_1): Likewise.
3006         (simplify_const_binary_operation): Likewise.
3007         (simplify_const_relational_operation): Likewise.
3008         (simplify_subreg): Likewise.
3009         * stor-layout.c (bitwise_mode_for_mode): Likewise.
3010         * var-tracking.c (adjust_mems): Likewise.
3011         (prepare_call_arguments): Likewise.
3012
3013 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3014             Alan Hayward  <alan.hayward@arm.com>
3015             David Sherwood  <david.sherwood@arm.com>
3016
3017         * machmode.h (is_int_mode): New fuction.
3018         * combine.c (find_split_point): Use it.
3019         (combine_simplify_rtx): Likewise.
3020         (simplify_if_then_else): Likewise.
3021         (simplify_set): Likewise.
3022         (simplify_shift_const_1): Likewise.
3023         (simplify_comparison): Likewise.
3024         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
3025         * cse.c (notreg_cost): Likewise.
3026         (cse_insn): Likewise.
3027         * cselib.c (cselib_lookup_1): Likewise.
3028         * dojump.c (do_jump_1): Likewise.
3029         (do_compare_rtx_and_jump): Likewise.
3030         * dse.c (get_call_args): Likewise.
3031         * dwarf2out.c (rtl_for_decl_init): Likewise.
3032         (native_encode_initializer): Likewise.
3033         * expmed.c (emit_store_flag_1): Likewise.
3034         (emit_store_flag): Likewise.
3035         * expr.c (convert_modes): Likewise.
3036         (store_field): Likewise.
3037         (expand_expr_real_1): Likewise.
3038         * fold-const.c (fold_read_from_constant_string): Likewise.
3039         * gimple-ssa-sprintf.c (get_format_string): Likewise.
3040         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
3041         * optabs.c (expand_binop): Likewise.
3042         (expand_unop): Likewise.
3043         (expand_abs_nojump): Likewise.
3044         (expand_one_cmpl_abs_nojump): Likewise.
3045         * simplify-rtx.c (mode_signbit_p): Likewise.
3046         (val_signbit_p): Likewise.
3047         (val_signbit_known_set_p): Likewise.
3048         (val_signbit_known_clear_p): Likewise.
3049         (simplify_relational_operation_1): Likewise.
3050         * tree.c (vector_type_mode): Likewise.
3051
3052 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3053             Alan Hayward  <alan.hayward@arm.com>
3054             David Sherwood  <david.sherwood@arm.com>
3055
3056         * machmode.h (smallest_mode_for_size): Fix formatting.
3057         (smallest_int_mode_for_size): New function.
3058         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
3059         instead of smallest_mode_for_size.
3060         * combine.c (make_extraction): Likewise.
3061         * config/arc/arc.c (arc_expand_movmem): Likewise.
3062         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
3063         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
3064         * config/s390/s390.c (s390_expand_insv): Likewise.
3065         * config/sparc/sparc.c (assign_int_registers): Likewise.
3066         * config/spu/spu.c (spu_function_value): Likewise.
3067         (spu_function_arg): Likewise.
3068         * coverage.c (get_gcov_type): Likewise.
3069         (get_gcov_unsigned_t): Likewise.
3070         * dse.c (find_shift_sequence): Likewise.
3071         * expmed.c (store_bit_field_1): Likewise.
3072         * expr.c (convert_move): Likewise.
3073         (store_field): Likewise.
3074         * internal-fn.c (expand_arith_overflow): Likewise.
3075         * optabs-query.c (get_best_extraction_insn): Likewise.
3076         * optabs.c (expand_twoval_binop_libfunc): Likewise.
3077         * stor-layout.c (layout_type): Likewise.
3078         (initialize_sizetypes): Likewise.
3079         * targhooks.c (default_get_mask_mode): Likewise.
3080         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
3081
3082 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3083             Alan Hayward  <alan.hayward@arm.com>
3084             David Sherwood  <david.sherwood@arm.com>
3085
3086         * machmode.h (opt_mode::else_blk): New function.
3087         (int_mode_for_mode): Declare.
3088         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
3089         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
3090         return type.
3091         * cfgexpand.c (expand_debug_expr): Likewise.
3092         * combine.c (gen_lowpart_or_truncate): Likewise.
3093         (gen_lowpart_for_combine): Likewise.
3094         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
3095         * config/avr/avr.c (avr_to_int_mode): Likewise.
3096         (avr_out_plus_1): Likewise.
3097         (avr_out_plus): Likewise.
3098         (avr_out_round): Likewise.
3099         * config/i386/i386.c (ix86_split_to_parts): Likewise.
3100         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
3101         (s390_expand_vcond): Likewise.
3102         * config/spu/spu.c (spu_split_immediate): Likewise.
3103         (spu_expand_mov): Likewise.
3104         * dse.c (get_stored_val): Likewise.
3105         * expmed.c (store_bit_field_1): Likewise.
3106         (convert_extracted_bit_field): Use int_mode_for_mode instead of
3107         int_mode_for_size.
3108         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
3109         (extract_low_bits): Likewise.
3110         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
3111         handling rather than repeating the check.
3112         (emit_group_store): Likewise.
3113         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
3114         * optabs.c (expand_absneg_bit): Likewise.
3115         (expand_copysign_absneg): Likewise.
3116         (expand_copysign_bit): Likewise.
3117         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
3118         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
3119         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
3120         * var-tracking.c (prepare_call_arguments):  Likewise.
3121         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
3122         int_mode_for_mode instead of mode_for_size.
3123         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
3124
3125 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3126             Alan Hayward  <alan.hayward@arm.com>
3127             David Sherwood  <david.sherwood@arm.com>
3128
3129         * machmode.h (int_mode_for_size): New function.
3130         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
3131         instead of mode_for_size.
3132         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
3133         explicit.
3134         * combine.c (expand_field_assignment): Use int_mode_for_size
3135         instead of mode_for_size.
3136         (make_extraction): Likewise.
3137         (simplify_shift_const_1): Likewise.
3138         (simplify_comparison): Likewise.
3139         * dojump.c (do_jump): Likewise.
3140         * dwarf2out.c (mem_loc_descriptor): Likewise.
3141         * emit-rtl.c (init_derived_machine_modes): Likewise.
3142         * expmed.c (flip_storage_order): Likewise.
3143         (convert_extracted_bit_field): Likewise.
3144         * expr.c (copy_blkmode_from_reg): Likewise.
3145         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
3146         * internal-fn.c (expand_mul_overflow): Likewise.
3147         * lower-subreg.c (simple_move): Likewise.
3148         * optabs-libfuncs.c (init_optabs): Likewise.
3149         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3150         * tree.c (vector_type_mode): Likewise.
3151         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
3152         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
3153         * tree-vect-generic.c (expand_vector_parallel): Likewise.
3154         * tree-vect-stmts.c (vectorizable_load): Likewise.
3155         (vectorizable_store): Likewise.
3156
3157 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3158             Alan Hayward  <alan.hayward@arm.com>
3159             David Sherwood  <david.sherwood@arm.com>
3160
3161         * coretypes.h (pod_mode): New type.
3162         (scalar_int_mode_pod): New typedef.
3163         * machmode.h (pod_mode): New class.
3164         (int_n_data_t::m): Change type to scalar_int_mode_pod.
3165         * genmodes.c (emit_mode_int_n): Update accordingly.
3166         * lower-subreg.h (target_lower_subreg): Change type to
3167         scalar_int_mode_pod.
3168         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
3169         scalar_int_mode_pod.
3170
3171 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3172             Alan Hayward  <alan.hayward@arm.com>
3173             David Sherwood  <david.sherwood@arm.com>
3174
3175         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
3176         machine_mode to scalar_int_mode.
3177         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
3178         (rs6000_option_override_internal): Remove cast to int.
3179         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
3180         machine_mode to scalar_int_mode.
3181         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
3182         (rs6000_option_override_internal): Remove cast to int.
3183         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
3184         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
3185         to machine_mode.
3186         * config/s390/s390.c (s390_expand_builtin): Likewise.
3187         * coretypes.h (scalar_int_mode): New type.
3188         (opt_scalar_int_mode): New typedef.
3189         * machmode.h (scalar_int_mode): New class.
3190         (scalar_int_mode::includes_p): New function.
3191         (byte_mode): Change type to scalar_int_mode.
3192         (word_mode): Likewise.
3193         (ptr_mode): Likewise.
3194         * emit-rtl.c (byte_mode): Likewise.
3195         (word_mode): Likewise.
3196         (ptr_mode): Likewise.
3197         (init_derived_machine_modes): Update accordingly.
3198         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
3199         and MODE_PARTIAL_INT.
3200         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
3201         opt_scalar_int_mode.
3202
3203 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3204             Alan Hayward  <alan.hayward@arm.com>
3205             David Sherwood  <david.sherwood@arm.com>
3206
3207         * target.def (libgcc_floating_mode_supported_p): Take a
3208         scalar_float_mode.
3209         * doc/tm.texi: Regenerate.
3210         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
3211         scalar_float_mode.
3212         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3213         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
3214         Likewise.
3215
3216 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3217             Alan Hayward  <alan.hayward@arm.com>
3218             David Sherwood  <david.sherwood@arm.com>
3219
3220         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
3221         * doc/tm.texi: Regenerate.
3222         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
3223         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
3224         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
3225         * targhooks.h (default_floatn_mode): Likewise.
3226         * targhooks.c (default_floatn_mode): Likewise.
3227         * tree.c (build_common_tree_nodes): Update accordingly.
3228
3229 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3230             Alan Hayward  <alan.hayward@arm.com>
3231             David Sherwood  <david.sherwood@arm.com>
3232
3233         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
3234         (mode_iterator::iterate_p): Likewise.
3235         (mode_iterator::get_wider): Likewise.
3236         * expr.c (init_expr_target): Use opt_scalar_float_mode.
3237
3238 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3239             Alan Hayward  <alan.hayward@arm.com>
3240             David Sherwood  <david.sherwood@arm.com>
3241
3242         * coretypes.h (opt_scalar_float_mode): New typedef.
3243         * machmode.h (float_mode_for_size): New function.
3244         * emit-rtl.c (double_mode): Delete.
3245         (init_emit_once): Use float_mode_for_size.
3246         * stor-layout.c (layout_type): Likewise.
3247         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
3248
3249 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3250             Alan Hayward  <alan.hayward@arm.com>
3251             David Sherwood  <david.sherwood@arm.com>
3252
3253         * output.h (assemble_real): Take a scalar_float_mode.
3254         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
3255         * config/arm/arm.md (consttable_4): Likewise.
3256         (consttable_8): Likewise.
3257         (consttable_16): Likewise.
3258         * config/mips/mips.md (consttable_float): Likewise.
3259         * config/s390/s390.c (s390_output_pool_entry): Likewise.
3260         * varasm.c (assemble_real): Take a scalar_float_mode.
3261         (output_constant_pool_2): Update accordingly.
3262         (output_constant): Likewise.
3263
3264 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3265             Alan Hayward  <alan.hayward@arm.com>
3266             David Sherwood  <david.sherwood@arm.com>
3267
3268         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
3269         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
3270         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
3271         (native_encode_real): Likewise.
3272         (native_interpret_real): Likewise.
3273         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
3274         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3275
3276 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3277             Alan Hayward  <alan.hayward@arm.com>
3278             David Sherwood  <david.sherwood@arm.com>
3279
3280         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
3281         <scalar_float_mode>.  Simplify.
3282         (gen_extend_conv_libfunc): Likewise.
3283
3284 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3285             Alan Hayward  <alan.hayward@arm.com>
3286             David Sherwood  <david.sherwood@arm.com>
3287
3288         * coretypes.h (scalar_float_mode): New type.
3289         * machmode.h (mode_traits::from_int): Use machine_mode if
3290         USE_ENUM_MODES is defined.
3291         (is_a): New function.
3292         (as_a): Likewise.
3293         (dyn_cast): Likewise.
3294         (scalar_float_mode): New class.
3295         (scalar_float_mode::includes_p): New function.
3296         (is_float_mode): Likewise.
3297         * gdbhooks.py (MachineModePrinter): New class.
3298         (build_pretty_printer): Use it for scalar_float_mode.
3299         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
3300         (format_helper::format_helper): Turn into a template.
3301         * genmodes.c (get_mode_class): New function.
3302         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
3303         or machine_mode if none.
3304         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
3305         as_a <scalar_float_mode>.
3306         * dwarf2out.c (mem_loc_descriptor): Likewise.
3307         (insert_float): Likewise.
3308         (add_const_value_attribute): Likewise.
3309         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3310         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
3311         (expand_unop): Update accordingly.
3312         (expand_abs_nojump): Likewise.
3313         (expand_copysign_absneg): Take a scalar_float_mode.
3314         (expand_copysign_bit): Likewise.
3315         (expand_copysign): Update accordingly.
3316
3317 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3318             Alan Hayward  <alan.hayward@arm.com>
3319             David Sherwood  <david.sherwood@arm.com>
3320
3321         * coretypes.h (opt_mode): New class.
3322         * machmode.h (opt_mode): Likewise.
3323         (opt_mode::else_void): New function.
3324         (opt_mode::require): Likewise.
3325         (opt_mode::exists): Likewise.
3326         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
3327         (GET_MODE_2XWIDER_MODE): Likewise.
3328         (mode_iterator::get_wider): Update accordingly.
3329         (mode_iterator::get_2xwider): Likewise.
3330         (mode_iterator::get_known_wider): Likewise, turning into a template.
3331         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
3332         forcing a wider mode to exist.
3333         * config/cr16/cr16.h (LONG_REG_P): Likewise.
3334         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3335         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
3336         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
3337         * lower-subreg.c (init_lower_subreg): Likewise.
3338         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
3339         on the final iteration.
3340         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
3341         a wider mode exists before asking for a move pattern.
3342         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
3343         forcing a wider mode to exist.
3344         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
3345         returning false if no such mode exists.
3346         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
3347         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
3348         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
3349         Avoid checking for a MODE_INT if we already know the mode is not a
3350         SCALAR_INT_MODE_P.
3351         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
3352         forcing a wider mode to exist.
3353         (expmed_mult_highpart_optab): Likewise.
3354         (expmed_mult_highpart): Likewise.
3355         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
3356         using else_void.
3357         * lto-streamer-in.c (lto_input_mode_table): Likewise.
3358         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
3359         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
3360         * internal-fn.c (expand_mul_overflow): Update use of
3361         GET_MODE_2XWIDER_MODE.
3362         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3363         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
3364         GET_MODE_WIDER_MODE.
3365         (convert_plusminus_to_widen): Likewise.
3366         * tree-switch-conversion.c (array_value_type): Likewise.
3367         * var-tracking.c (emit_note_insn_var_location): Likewise.
3368         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3369         Return false inside rather than outside the loop if no wider mode
3370         exists
3371         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
3372         and GET_MODE_2XWIDER_MODE
3373         (can_compare_p): Use else_void.
3374         * gdbhooks.py (OptMachineModePrinter): New class.
3375         (build_pretty_printer): Use it for opt_mode.
3376
3377 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3378             Alan Hayward  <alan.hayward@arm.com>
3379             David Sherwood  <david.sherwood@arm.com>
3380
3381         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
3382         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
3383
3384 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3385             Alan Hayward  <alan.hayward@arm.com>
3386             David Sherwood  <david.sherwood@arm.com>
3387
3388         * machmode.h (mode_traits): New structure.
3389         (get_narrowest_mode): New function.
3390         (mode_iterator::start): Likewise.
3391         (mode_iterator::iterate_p): Likewise.
3392         (mode_iterator::get_wider): Likewise.
3393         (mode_iterator::get_known_wider): Likewise.
3394         (mode_iterator::get_2xwider): Likewise.
3395         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
3396         (FOR_EACH_MODE): Likewise.
3397         (FOR_EACH_MODE_FROM): Likewise.
3398         (FOR_EACH_MODE_UNTIL): Likewise.
3399         (FOR_EACH_WIDER_MODE): Likewise.
3400         (FOR_EACH_2XWIDER_MODE): Likewise.
3401         * builtins.c (expand_builtin_strlen): Use new mode iterators.
3402         * combine.c (simplify_comparison): Likewise
3403         * config/i386/i386.c (type_natural_mode): Likewise.
3404         * cse.c (cse_insn): Likewise.
3405         * dse.c (find_shift_sequence): Likewise.
3406         * emit-rtl.c (init_derived_machine_modes): Likewise.
3407         (init_emit_once): Likewise.
3408         * explow.c (hard_function_value): Likewise.
3409         * expmed.c (extract_fixed_bit_field_1): Likewise.
3410         (extract_bit_field_1): Likewise.
3411         (expand_divmod): Likewise.
3412         (emit_store_flag_1): Likewise.
3413         * expr.c (init_expr_target): Likewise.
3414         (convert_move): Likewise.
3415         (alignment_for_piecewise_move): Likewise.
3416         (widest_int_mode_for_size): Likewise.
3417         (emit_block_move_via_movmem): Likewise.
3418         (copy_blkmode_to_reg): Likewise.
3419         (set_storage_via_setmem): Likewise.
3420         (compress_float_constant): Likewise.
3421         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3422         * optabs-query.c (get_best_extraction_insn): Likewise.
3423         * optabs.c (expand_binop): Likewise.
3424         (expand_twoval_unop): Likewise.
3425         (expand_twoval_binop): Likewise.
3426         (widen_leading): Likewise.
3427         (widen_bswap): Likewise.
3428         (expand_parity): Likewise.
3429         (expand_unop): Likewise.
3430         (prepare_cmp_insn): Likewise.
3431         (prepare_float_lib_cmp): Likewise.
3432         (expand_float): Likewise.
3433         (expand_fix): Likewise.
3434         (expand_sfix_optab): Likewise.
3435         * postreload.c (move2add_use_add2_insn): Likewise.
3436         * reg-stack.c (reg_to_stack): Likewise.
3437         * reginfo.c (choose_hard_reg_mode): Likewise.
3438         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3439         * stor-layout.c (mode_for_size): Likewise.
3440         (smallest_mode_for_size): Likewise.
3441         (mode_for_vector): Likewise.
3442         (finish_bitfield_representative): Likewise.
3443         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
3444         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3445         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3446         * var-tracking.c (prepare_call_arguments): Likewise.
3447
3448 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3449             Alan Hayward  <alan.hayward@arm.com>
3450             David Sherwood  <david.sherwood@arm.com>
3451
3452         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
3453         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
3454         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
3455         * machmode.h (mode_size): Move earlier in file.
3456         (mode_precision): Likewise.
3457         (mode_inner): Likewise.
3458         (mode_nunits): Likewise.
3459         (mode_unit_size): Likewise.
3460         (unit_unit_precision): Likewise.
3461         (mode_wider): Likewise.
3462         (mode_2xwider): Likewise.
3463         (machine_mode): New class.
3464         (mode_to_bytes): New function.
3465         (mode_to_bits): Likewise.
3466         (mode_to_precision): Likewise.
3467         (mode_to_inner): Likewise.
3468         (mode_to_unit_size): Likewise.
3469         (mode_to_unit_precision): Likewise.
3470         (mode_to_nunits): Likewise.
3471         (GET_MODE_SIZE): Use mode_to_bytes.
3472         (GET_MODE_BITSIZE): Use mode_to_bits.
3473         (GET_MODE_PRECISION): Use mode_to_precision.
3474         (GET_MODE_INNER): Use mode_to_inner.
3475         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
3476         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
3477         (GET_MODE_NUNITS): Use mode_to_nunits.
3478         * system.h (ALWAYS_INLINE): New macro.
3479         * config/powerpcspe/powerpcspe-c.c
3480         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
3481         int for arg1_mode and arg2_mode.
3482
3483 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3484             Alan Hayward  <alan.hayward@arm.com>
3485             David Sherwood  <david.sherwood@arm.com>
3486
3487         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
3488         Prefix mode names with E_ in case statements.
3489         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3490         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
3491         (aarch64_split_simd_move): Likewise.
3492         (aarch64_gen_storewb_pair): Likewise.
3493         (aarch64_gen_loadwb_pair): Likewise.
3494         (aarch64_gen_store_pair): Likewise.
3495         (aarch64_gen_load_pair): Likewise.
3496         (aarch64_get_condition_code_1): Likewise.
3497         (aarch64_constant_pool_reload_icode): Likewise.
3498         (get_rsqrte_type): Likewise.
3499         (get_rsqrts_type): Likewise.
3500         (get_recpe_type): Likewise.
3501         (get_recps_type): Likewise.
3502         (aarch64_gimplify_va_arg_expr): Likewise.
3503         (aarch64_simd_container_mode): Likewise.
3504         (aarch64_emit_load_exclusive): Likewise.
3505         (aarch64_emit_store_exclusive): Likewise.
3506         (aarch64_expand_compare_and_swap): Likewise.
3507         (aarch64_gen_atomic_cas): Likewise.
3508         (aarch64_emit_bic): Likewise.
3509         (aarch64_emit_atomic_swap): Likewise.
3510         (aarch64_emit_atomic_load_op): Likewise.
3511         (aarch64_evpc_trn): Likewise.
3512         (aarch64_evpc_uzp): Likewise.
3513         (aarch64_evpc_zip): Likewise.
3514         (aarch64_evpc_ext): Likewise.
3515         (aarch64_evpc_rev): Likewise.
3516         (aarch64_evpc_dup): Likewise.
3517         (aarch64_gen_ccmp_first): Likewise.
3518         (aarch64_gen_ccmp_next): Likewise.
3519         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
3520         (alpha_emit_xfloating_libcall): Likewise.
3521         (emit_insxl): Likewise.
3522         (alpha_arg_type): Likewise.
3523         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
3524         (arc_preferred_simd_mode): Likewise.
3525         (arc_secondary_reload): Likewise.
3526         (get_arc_condition_code): Likewise.
3527         (arc_print_operand): Likewise.
3528         (arc_legitimate_constant_p): Likewise.
3529         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3530         * config/arc/arc.md (casesi_load): Likewise.
3531         (casesi_compact_jump): Likewise.
3532         * config/arc/predicates.md (proper_comparison_operator): Likewise.
3533         (cc_use_register): Likewise.
3534         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3535         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
3536         (arm_init_iwmmxt_builtins): Likewise.
3537         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3538         (neon_expand_vector_init): Likewise.
3539         (arm_attr_length_move_neon): Likewise.
3540         (maybe_get_arm_condition_code): Likewise.
3541         (arm_emit_vector_const): Likewise.
3542         (arm_preferred_simd_mode): Likewise.
3543         (arm_output_iwmmxt_tinsr): Likewise.
3544         (thumb1_output_casesi): Likewise.
3545         (thumb2_output_casesi): Likewise.
3546         (arm_emit_load_exclusive): Likewise.
3547         (arm_emit_store_exclusive): Likewise.
3548         (arm_expand_compare_and_swap): Likewise.
3549         (arm_evpc_neon_vuzp): Likewise.
3550         (arm_evpc_neon_vzip): Likewise.
3551         (arm_evpc_neon_vrev): Likewise.
3552         (arm_evpc_neon_vtrn): Likewise.
3553         (arm_evpc_neon_vext): Likewise.
3554         (arm_validize_comparison): Likewise.
3555         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
3556         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
3557         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
3558         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
3559         (c6x_preferred_simd_mode): Likewise.
3560         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
3561         (epiphany_rtx_costs): Likewise.
3562         * config/epiphany/predicates.md (proper_comparison_operator):
3563         Likewise.
3564         * config/frv/frv.c (condexec_memory_operand): Likewise.
3565         (frv_emit_move): Likewise.
3566         (output_move_single): Likewise.
3567         (output_condmove_single): Likewise.
3568         (frv_hard_regno_mode_ok): Likewise.
3569         (frv_matching_accg_mode): Likewise.
3570         * config/h8300/h8300.c (split_adds_subs): Likewise.
3571         (h8300_rtx_costs): Likewise.
3572         (h8300_print_operand): Likewise.
3573         (compute_mov_length): Likewise.
3574         (output_logical_op): Likewise.
3575         (compute_logical_op_length): Likewise.
3576         (compute_logical_op_cc): Likewise.
3577         (h8300_shift_needs_scratch_p): Likewise.
3578         (output_a_shift): Likewise.
3579         (compute_a_shift_length): Likewise.
3580         (compute_a_shift_cc): Likewise.
3581         (expand_a_rotate): Likewise.
3582         (output_a_rotate): Likewise.
3583         * config/i386/i386.c (classify_argument): Likewise.
3584         (function_arg_advance_32): Likewise.
3585         (function_arg_32): Likewise.
3586         (function_arg_64): Likewise.
3587         (function_value_64): Likewise.
3588         (ix86_gimplify_va_arg): Likewise.
3589         (ix86_legitimate_constant_p): Likewise.
3590         (put_condition_code): Likewise.
3591         (split_double_mode): Likewise.
3592         (ix86_avx256_split_vector_move_misalign): Likewise.
3593         (ix86_expand_vector_logical_operator): Likewise.
3594         (ix86_split_idivmod): Likewise.
3595         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
3596         (ix86_build_const_vector): Likewise.
3597         (ix86_build_signbit_mask): Likewise.
3598         (ix86_match_ccmode): Likewise.
3599         (ix86_cc_modes_compatible): Likewise.
3600         (ix86_expand_branch): Likewise.
3601         (ix86_expand_sse_cmp): Likewise.
3602         (ix86_expand_sse_movcc): Likewise.
3603         (ix86_expand_int_sse_cmp): Likewise.
3604         (ix86_expand_vec_perm_vpermi2): Likewise.
3605         (ix86_expand_vec_perm): Likewise.
3606         (ix86_expand_sse_unpack): Likewise.
3607         (ix86_expand_int_addcc): Likewise.
3608         (ix86_split_to_parts): Likewise.
3609         (ix86_vectorize_builtin_gather): Likewise.
3610         (ix86_vectorize_builtin_scatter): Likewise.
3611         (avx_vpermilp_parallel): Likewise.
3612         (inline_memory_move_cost): Likewise.
3613         (ix86_tieable_integer_mode_p): Likewise.
3614         (x86_maybe_negate_const_int): Likewise.
3615         (ix86_expand_vector_init_duplicate): Likewise.
3616         (ix86_expand_vector_init_one_nonzero): Likewise.
3617         (ix86_expand_vector_init_one_var): Likewise.
3618         (ix86_expand_vector_init_concat): Likewise.
3619         (ix86_expand_vector_init_interleave): Likewise.
3620         (ix86_expand_vector_init_general): Likewise.
3621         (ix86_expand_vector_set): Likewise.
3622         (ix86_expand_vector_extract): Likewise.
3623         (emit_reduc_half): Likewise.
3624         (ix86_emit_i387_round): Likewise.
3625         (ix86_mangle_type): Likewise.
3626         (ix86_expand_round_sse4): Likewise.
3627         (expand_vec_perm_blend): Likewise.
3628         (canonicalize_vector_int_perm): Likewise.
3629         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
3630         (expand_vec_perm_1): Likewise.
3631         (expand_vec_perm_interleave3): Likewise.
3632         (expand_vec_perm_even_odd_pack): Likewise.
3633         (expand_vec_perm_even_odd_1): Likewise.
3634         (expand_vec_perm_broadcast_1): Likewise.
3635         (ix86_vectorize_vec_perm_const_ok): Likewise.
3636         (ix86_expand_vecop_qihi): Likewise.
3637         (ix86_expand_mul_widen_hilo): Likewise.
3638         (ix86_expand_sse2_abs): Likewise.
3639         (ix86_expand_pextr): Likewise.
3640         (ix86_expand_pinsr): Likewise.
3641         (ix86_preferred_simd_mode): Likewise.
3642         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
3643         * config/i386/sse.md (*andnot<mode>3): Likewise.
3644         (<mask_codefor><code><mode>3<mask_name>): Likewise.
3645         (*<code><mode>3): Likewise.
3646         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
3647         (ia64_expand_atomic_op): Likewise.
3648         (ia64_arg_type): Likewise.
3649         (ia64_mode_to_int): Likewise.
3650         (ia64_scalar_mode_supported_p): Likewise.
3651         (ia64_vector_mode_supported_p): Likewise.
3652         (expand_vec_perm_broadcast): Likewise.
3653         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
3654         (iq2000_function_arg_advance): Likewise.
3655         (iq2000_function_arg): Likewise.
3656         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
3657         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
3658         (m68k_libcall_value): Likewise.
3659         (m68k_function_value): Likewise.
3660         (sched_attr_op_type): Likewise.
3661         * config/mcore/mcore.c (mcore_output_move): Likewise.
3662         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
3663         Likewise.
3664         (microblaze_function_arg): Likewise.
3665         * config/mips/mips.c (mips16_build_call_stub): Likewise.
3666         (mips_print_operand): Likewise.
3667         (mips_mode_ok_for_mov_fmt_p): Likewise.
3668         (mips_vector_mode_supported_p): Likewise.
3669         (mips_preferred_simd_mode): Likewise.
3670         (mips_expand_vpc_loongson_even_odd): Likewise.
3671         (mips_expand_vec_unpack): Likewise.
3672         (mips_expand_vi_broadcast): Likewise.
3673         (mips_expand_vector_init): Likewise.
3674         (mips_expand_vec_reduc): Likewise.
3675         (mips_expand_msa_cmp): Likewise.
3676         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
3677         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
3678         (cc_flags_for_mode): Likewise.
3679         * config/msp430/msp430.c (msp430_print_operand): Likewise.
3680         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
3681         (nds32_output_casesi_pc_relative): Likewise.
3682         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3683         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
3684         (nvptx_gen_unpack): Likewise.
3685         (nvptx_gen_pack): Likewise.
3686         (nvptx_gen_shuffle): Likewise.
3687         (nvptx_gen_wcast): Likewise.
3688         (nvptx_preferred_simd_mode): Likewise.
3689         * config/pa/pa.c (pa_secondary_reload): Likewise.
3690         * config/pa/predicates.md (base14_operand): Likewise.
3691         * config/powerpcspe/powerpcspe-c.c
3692         (altivec_resolve_overloaded_builtin): Likewise.
3693         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
3694         Likewise.
3695         (rs6000_preferred_simd_mode): Likewise.
3696         (output_vec_const_move): Likewise.
3697         (rs6000_expand_vector_extract): Likewise.
3698         (rs6000_split_vec_extract_var): Likewise.
3699         (reg_offset_addressing_ok_p): Likewise.
3700         (rs6000_legitimate_offset_address_p): Likewise.
3701         (rs6000_legitimize_address): Likewise.
3702         (rs6000_emit_set_const): Likewise.
3703         (rs6000_const_vec): Likewise.
3704         (rs6000_emit_move): Likewise.
3705         (spe_build_register_parallel): Likewise.
3706         (rs6000_darwin64_record_arg_recurse): Likewise.
3707         (swap_selector_for_mode): Likewise.
3708         (spe_init_builtins): Likewise.
3709         (paired_init_builtins): Likewise.
3710         (altivec_init_builtins): Likewise.
3711         (do_load_for_compare): Likewise.
3712         (rs6000_generate_compare): Likewise.
3713         (rs6000_expand_float128_convert): Likewise.
3714         (emit_load_locked): Likewise.
3715         (emit_store_conditional): Likewise.
3716         (rs6000_output_function_epilogue): Likewise.
3717         (rs6000_handle_altivec_attribute): Likewise.
3718         (rs6000_function_value): Likewise.
3719         (emit_fusion_gpr_load): Likewise.
3720         (emit_fusion_p9_load): Likewise.
3721         (emit_fusion_p9_store): Likewise.
3722         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
3723         (fusion_gpr_mem_load): Likewise.
3724         (fusion_addis_mem_combo_load): Likewise.
3725         (fusion_addis_mem_combo_store): Likewise.
3726         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3727         (fusion_gpr_mem_load): Likewise.
3728         (fusion_addis_mem_combo_load): Likewise.
3729         (fusion_addis_mem_combo_store): Likewise.
3730         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3731         Likewise.
3732         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
3733         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
3734         (rs6000_preferred_simd_mode): Likewise.
3735         (output_vec_const_move): Likewise.
3736         (rs6000_expand_vector_extract): Likewise.
3737         (rs6000_split_vec_extract_var): Likewise.
3738         (reg_offset_addressing_ok_p): Likewise.
3739         (rs6000_legitimate_offset_address_p): Likewise.
3740         (rs6000_legitimize_address): Likewise.
3741         (rs6000_emit_set_const): Likewise.
3742         (rs6000_const_vec): Likewise.
3743         (rs6000_emit_move): Likewise.
3744         (rs6000_darwin64_record_arg_recurse): Likewise.
3745         (swap_selector_for_mode): Likewise.
3746         (paired_init_builtins): Likewise.
3747         (altivec_init_builtins): Likewise.
3748         (rs6000_expand_float128_convert): Likewise.
3749         (emit_load_locked): Likewise.
3750         (emit_store_conditional): Likewise.
3751         (rs6000_output_function_epilogue): Likewise.
3752         (rs6000_handle_altivec_attribute): Likewise.
3753         (rs6000_function_value): Likewise.
3754         (emit_fusion_gpr_load): Likewise.
3755         (emit_fusion_p9_load): Likewise.
3756         (emit_fusion_p9_store): Likewise.
3757         * config/rx/rx.c (rx_gen_move_template): Likewise.
3758         (flags_from_mode): Likewise.
3759         * config/s390/predicates.md (s390_alc_comparison): Likewise.
3760         (s390_slb_comparison): Likewise.
3761         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
3762         (s390_vector_mode_supported_p): Likewise.
3763         (s390_cc_modes_compatible): Likewise.
3764         (s390_match_ccmode_set): Likewise.
3765         (s390_canonicalize_comparison): Likewise.
3766         (s390_emit_compare_and_swap): Likewise.
3767         (s390_branch_condition_mask): Likewise.
3768         (s390_rtx_costs): Likewise.
3769         (s390_secondary_reload): Likewise.
3770         (__SECONDARY_RELOAD_CASE): Likewise.
3771         (s390_expand_cs): Likewise.
3772         (s390_preferred_simd_mode): Likewise.
3773         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
3774         * config/sh/sh.c (sh_print_operand): Likewise.
3775         (dump_table): Likewise.
3776         (sh_secondary_reload): Likewise.
3777         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3778         * config/sh/sh.md (casesi_worker_1): Likewise.
3779         (casesi_worker_2): Likewise.
3780         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
3781         (fcc_comparison_operator): Likewise.
3782         * config/sparc/sparc.c (sparc_expand_move): Likewise.
3783         (emit_soft_tfmode_cvt): Likewise.
3784         (sparc_preferred_simd_mode): Likewise.
3785         (output_cbranch): Likewise.
3786         (sparc_print_operand): Likewise.
3787         (sparc_expand_vec_perm_bmask): Likewise.
3788         (vector_init_bshuffle): Likewise.
3789         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
3790         (spu_vector_mode_supported_p): Likewise.
3791         (spu_expand_insv): Likewise.
3792         (spu_emit_branch_or_set): Likewise.
3793         (spu_handle_vector_attribute): Likewise.
3794         (spu_builtin_splats): Likewise.
3795         (spu_builtin_extract): Likewise.
3796         (spu_builtin_promote): Likewise.
3797         (spu_expand_sign_extend): Likewise.
3798         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
3799         (tilegx_simd_int): Likewise.
3800         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
3801         (tilepro_simd_int): Likewise.
3802         * config/v850/v850.c (const_double_split): Likewise.
3803         (v850_print_operand): Likewise.
3804         (ep_memory_offset): Likewise.
3805         * config/vax/vax.c (vax_rtx_costs): Likewise.
3806         (vax_output_int_move): Likewise.
3807         (vax_output_int_add): Likewise.
3808         (vax_output_int_subtract): Likewise.
3809         * config/visium/predicates.md (visium_branch_operator): Likewise.
3810         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
3811         (visium_print_operand_address): Likewise.
3812         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3813         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
3814         (xtensa_expand_conditional_branch): Likewise.
3815         (xtensa_copy_incoming_a7): Likewise.
3816         (xtensa_output_literal): Likewise.
3817         * dfp.c (decimal_real_maxval): Likewise.
3818         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3819
3820 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3821             Alan Hayward  <alan.hayward@arm.com>
3822             David Sherwood  <david.sherwood@arm.com>
3823
3824         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
3825         (mode_nunits_inline): Likewise.
3826         (mode_inner_inline): Likewise.
3827         (mode_unit_size_inline): Likewise.
3828         (mode_unit_precision_inline): Likewise.
3829         (emit_insn_modes_h): Likewise.  Also emit a #define of the
3830         unprefixed name.
3831         (emit_mode_wider): Add an E_ prefix to mode names.
3832         (emit_mode_complex): Likewise.
3833         (emit_mode_inner): Likewise.
3834         (emit_mode_adjustments): Likewise.
3835         (emit_mode_int_n): Likewise.
3836         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
3837         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
3838         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
3839         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
3840         (CRC32_BUILTIN, ENTRY): Likewise.
3841         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
3842         (aarch64_pop_regs): Likewise.
3843         (aarch64_process_components): Likewise.
3844         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
3845         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
3846         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
3847         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
3848         * config/arm/arm.c (arm_init_libfuncs): Likewise.
3849         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
3850         Likewise.
3851         * config/i386/i386-builtin.def (pcmpestr): Likewise.
3852         (pcmpistr): Likewise.
3853         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
3854         * config/mmix/mmix.c (mmix_output_condition): Likewise.
3855         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
3856         Likewise.
3857         * config/rl78/rl78.c (mduc_regs): Likewise.
3858         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
3859         (htm_expand_builtin): Likewise.
3860         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
3861         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
3862         * config/xtensa/xtensa.c (print_operand): Likewise.
3863         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
3864         (NUM_MODE_VECTOR_INT): Likewise.
3865         * genoutput.c (null_operand): Likewise.
3866         (output_operand_data): Likewise.
3867         * genrecog.c (print_parameter_value): Likewise.
3868         * lra.c (debug_operand_data): Likewise.
3869
3870 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3871
3872         * dwarf2out.c (scompare_loc_descriptor_wide)
3873         (scompare_loc_descriptor_narrow): New functions, split out from...
3874         (scompare_loc_descriptor): ...here.
3875         * expmed.c (emit_store_flag_int): New function, split out from...
3876         (emit_store_flag): ...here.
3877
3878 2017-08-30  Richard Biener  <rguenther@suse.de>
3879
3880         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
3881         (dwarf2out_early_finish): Move setting of AT_pubnames from
3882         early debug output to early finish.
3883
3884 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
3885
3886         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
3887         and -mdata-region to the assembler.
3888
3889 2017-08-30  Richard Biener  <rguenther@suse.de>
3890
3891         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
3892         attributes.
3893         (gen_subprogram_die): Add DW_AT_object_pointer only early.
3894         (dwarf2out_early_global_decl): Only generate a DIE for the
3895         abstract origin if it doesn't already exist or is a declaration DIE.
3896         (resolve_addr): Do not add the linkage name twice when
3897         generating a stub DIE for the DW_TAG_GNU_call_site target.
3898
3899 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3900
3901         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3902         Use machine_mode rather than int for arg1_mode.
3903
3904 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
3905
3906         PR target/82015
3907         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
3908         that the second argument of the built-in functions to unpack
3909         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
3910         switch statement instead a lot of if statements.
3911         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
3912         Allow 64-bit values to be in Altivec registers as well as
3913         traditional floating point registers.
3914         (pack<mode>, FMOVE128_VSX iterator): Likewise.
3915
3916 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
3917
3918         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
3919         MAX_REGS_PER_ADDRESS == 1.
3920
3921 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
3922
3923         * config/i386/i386.opt (flag_fentry): Do not init to -1.
3924         * config/i386/i386.c (ix86_option_override_internal): Simplify
3925         setting of opts->x_flag_entry.
3926
3927 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3928             Jakub Jelinek  <jakub@redhat.com>
3929             Richard Biener  <rguenther@suse.de>
3930
3931         PR tree-optimization/81503
3932         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
3933         folded constant fits in the target type; reorder tests for clarity.
3934
3935 2017-08-29  Martin Liska  <mliska@suse.cz>
3936
3937         * passes.def: Include pass_lower_switch.
3938         * stmt.c (dump_case_nodes): Remove and move to
3939         tree-switch-conversion.
3940         (case_values_threshold): Likewise.
3941         (expand_switch_as_decision_tree_p): Likewise.
3942         (emit_case_decision_tree): Likewise.
3943         (expand_case): Likewise.
3944         (balance_case_nodes): Likewise.
3945         (node_has_low_bound): Likewise.
3946         (node_has_high_bound): Likewise.
3947         (node_is_bounded): Likewise.
3948         (emit_case_nodes): Likewise.
3949         (struct simple_case_node): New struct.
3950         (add_case_node): Remove.
3951         (emit_case_dispatch_table): Use vector instead of case_list.
3952         (reset_out_edges_aux): Remove.
3953         (compute_cases_per_edge): Likewise.
3954         (expand_case): Build list of simple_case_node.
3955         (expand_sjlj_dispatch_table): Use it.
3956         * tree-switch-conversion.c (struct case_node): Moved from
3957         stmt.c and adjusted.
3958         (emit_case_nodes): Likewise.
3959         (node_has_low_bound): Likewise.
3960         (node_has_high_bound): Likewise.
3961         (node_is_bounded): Likewise.
3962         (case_values_threshold): Likewise.
3963         (reset_out_edges_aux): Likewise.
3964         (compute_cases_per_edge): Likewise.
3965         (add_case_node): Likewise.
3966         (dump_case_nodes): Likewise.
3967         (balance_case_nodes): Likewise.
3968         (expand_switch_as_decision_tree_p): Likewise.
3969         (emit_jump): Likewise.
3970         (emit_case_decision_tree): Likewise.
3971         (try_switch_expansion): Likewise.
3972         (do_jump_if_equal): Likewise.
3973         (emit_cmp_and_jump_insns): Likewise.
3974         (fix_phi_operands_for_edge): New function.
3975         (record_phi_operand_mapping): Likewise.
3976         (class pass_lower_switch): New pass.
3977         (pass_lower_switch::execute): New function.
3978         (make_pass_lower_switch): Likewise.
3979         (conditional_probability):
3980         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
3981         * tree-pass.h: Add make_pass_lower_switch.
3982
3983 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
3984
3985         PR target/80993
3986         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
3987         handlers as used.
3988
3989 2017-08-29  Richard Biener  <rguenther@suse.de>
3990
3991         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
3992         we do not add a DW_AT_inline attribute twice.
3993         (gen_subprogram_die): Remove code setting DW_AT_inline on
3994         DECL_ABSTRACT_P nodes.
3995
3996 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
3997
3998         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
3999         calls to internal functions.
4000         (gimplify_modify_expr): Likewise.
4001         * tree-call-cdce.c (use_internal_fn): Likewise.
4002         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
4003         (convert_to_divmod): Set the nothrow flag.
4004         * tree-if-conv.c (predicate_mem_writes):  Likewise.
4005         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
4006         (vectorizable_call): Likewise.
4007         (vectorizable_store): Likewise.
4008         (vectorizable_load): Likewise.
4009         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
4010         (vect_recog_mask_conversion_pattern): Likewise.
4011
4012 2017-08-29  Martin Liska  <mliska@suse.cz>
4013
4014         PR other/39851
4015         * gcc.c (driver_handle_option): Add new argument.
4016         * opts-common.c (handle_option): Pass
4017         target_option_override_hook.
4018         * opts-global.c (lang_handle_option): Add new option.
4019         (set_default_handlers):  Add new argument.
4020         (decode_options): Likewise.
4021         * opts.c (target_handle_option): Likewise.
4022         (common_handle_option): Call target_option_override_hook.
4023         * opts.h (struct cl_option_handler_func): Add hook for
4024         target option override.
4025         (struct cl_option_handlers): Likewise.
4026         (set_default_handlers): Add new argument.
4027         (decode_options): Likewise.
4028         (common_handle_option): Likewise.
4029         (target_handle_option): Likewise.
4030         * toplev.c (toplev::main): Pass targetm.target_option.override
4031         hook.
4032
4033 2017-08-29  Richard Biener  <rguenther@suse.de>
4034         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
4035
4036         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
4037         life to the active subtree.
4038
4039 2017-08-28  Jeff Law  <law@redhat.com>
4040
4041         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
4042         derive_equivalences.
4043         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
4044         Code moved into....
4045         (edge_info::derive_equivalences): New private member function
4046
4047         * tree-ssa-dom.c (class edge_info): Changed from a struct
4048         to a class.  Add ctor/dtor, methods and data members.
4049         (edge_info::edge_info): Renamed from allocate_edge_info.
4050         Initialize additional members.
4051         (edge_info::~edge_info): New.
4052         (free_dom_edge_info): Delete the edge info.
4053         (record_edge_info): Use new class & associated member functions.
4054         Tighten forms for testing for edge equivalences.
4055         (record_temporary_equivalences): Iterate over the simple
4056         equivalences rather than assuming there's only one per edge.
4057         (cprop_into_successor_phis): Iterate over the simple
4058         equivalences rather than assuming there's only one per edge.
4059         (optimize_stmt): Use operand_equal_p rather than pointer
4060         equality for mini-DSE code.
4061
4062 2017-08-28  Nathan Sidwell  <nathan@acm.org>
4063
4064         * gcc.c (execute): Fold SIGPIPE handling into switch
4065         statement.  Adjust internal error message.
4066
4067 2017-08-28  Richard Biener  <rguenther@suse.de>
4068
4069         PR debug/81993
4070         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
4071         Do nothing for removed DIEs.
4072
4073 2017-08-28  Richard Biener  <rguenther@suse.de>
4074
4075         PR tree-optimization/81977
4076         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
4077         memcpy.
4078
4079 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
4080
4081         PR target/80640
4082         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
4083         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
4084         using targetm.gen_mem_thread_fence.
4085
4086 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
4087
4088         PR target/81995
4089         * config/i386/i386.md (*<btsc><mode>): Change operand 2
4090         predicate to register_operand.  Reorder operands.
4091         (*btr<mode>): Ditto.
4092         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
4093         (*btr<mode>_mask): Ditto.
4094
4095 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
4096
4097         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
4098         * config/rs6000/xmmintrin.h: New file.
4099         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
4100
4101 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4102
4103         PR target/81504
4104         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
4105         parameter and_insn and return it.
4106         (recombine_lvx_pattern): Insert a copy to ensure availability of
4107         the base register of the copied masking operation at the point of
4108         the instruction replacement.
4109         (recombine_stvx_pattern): Likewise.
4110
4111 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
4112
4113         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
4114         undocumented switches.
4115         (-mpower9-dform-vector): Likewise.
4116         (-mpower9-dform): Likewise.
4117         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
4118         comments to delete references to -mpower9-dform* switches.
4119         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
4120         Delete reference to -mpower9-dform* switches, test for
4121         -mpower9-vector instead.
4122         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
4123         (OTHER_P9_VECTOR_MASKS): Likewise.
4124         (POWERPC_MASKS): Likewise.
4125         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
4126         tests against -mpower9-dform* to -mpower9-vector.  Delete code
4127         that checked for -mpower9-dform* consistancy with other options.
4128         Add test for -mpower9-misc to enable other power9 switches.
4129         (rs6000_init_hard_regno_mode_ok): Likewise.
4130         (rs6000_option_override_internal): Likewise.
4131         (rs6000_emit_prologue): Likewise.
4132         (rs6000_emit_epilogue): Likewise.
4133         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
4134         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
4135         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
4136         -mpower9-vector.
4137         (emit_fusion_p9_store): Likewise.
4138         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
4139         resetting these macros if the assembler does not support ISA 3.0
4140         instructions.
4141         (TARGET_P9_DFORM_VECTOR): Likewise.
4142         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
4143         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
4144
4145 2017-08-25  Alan Modra  <amodra@gmail.com>
4146
4147         PR rtl-optimization/81747
4148         * cse.c (cse_extended_basic_block): Don't attempt to record
4149         equivalences for degenerate conditional branches that branch
4150         to their fall-through.
4151
4152 2017-08-24  Martin Sebor  <msebor@redhat.com>
4153
4154         PR middle-end/81908
4155         * gimple-fold.c (size_must_be_zero_p): New function.
4156         (gimple_fold_builtin_memory_op): Call it.
4157
4158 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
4159
4160         * config/rs6000/mm_malloc.h: New file.
4161
4162 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
4163
4164         PR tree-optimization/81913
4165         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
4166         analysis when either IVs in condition can wrap.
4167
4168 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
4169
4170         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
4171         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
4172
4173 2017-08-24  Richard Biener  <rguenther@suse.de>
4174
4175         PR target/81921
4176         * targhooks.c (default_target_can_inline_p): Properly
4177         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
4178         is present and always compare.
4179         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
4180         infer -mfpmath=sse from TARGET_SSE_P.
4181         (ix86_can_inline_p): Properly use target_option_default_node when
4182         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
4183
4184 2017-08-24  Richard Biener  <rguenther@suse.de>
4185
4186         PR debug/81936
4187         * dwarf2out.c (output_die): Handle flag_generate_offload like
4188         flag_generate_lto.
4189         (output_comp_unit): Likewise.
4190         (gen_array_type_die): Likewise.
4191         (dwarf2out_early_finish): Likewise.
4192         (note_variable_value_in_expr): Likewise.
4193         (dwarf2out_finish): Likewise.  Adjust assert.
4194         * cgraphunit.c (symbol_table::compile): Move setting of
4195         flag_generate_offload earlier ...
4196         (symbol_table::finalize_compilation_unit): ... here, before
4197         early debug finalization.
4198
4199 2017-08-24  Richard Biener  <rguenther@suse.de>
4200
4201         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
4202         and ipa-fnsummary.h.
4203         (ix86_can_inline_p): When ix86_fpmath flags do not match
4204         check whether the callee uses FP math at all.
4205
4206 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
4207
4208         PR middle-end/81931
4209         * tree-ssanames.c (get_nonzero_bits): Use element_precision
4210         instead of TYPE_PRECISION.
4211
4212 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
4213             Alan Hayward  <alan.hayward@arm.com>
4214             David Sherwood  <david.sherwood@arm.com>
4215
4216         * combine.c (make_extraction): Use subreg_offset_from_lsb.
4217
4218 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
4219
4220         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
4221         Remove field.
4222         (ix86_frame::stack_realign_allocate): New field.
4223         (struct machine_frame_state): Modify comments.
4224         (machine_frame_state::sp_realigned_fp_end): New field.
4225         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
4226         layout calculation.
4227         (sp_valid_at): Add assertion to assure no attempt to access invalid
4228         offset of a realigned stack.
4229         (fp_valid_at): Likewise.
4230         (choose_baseaddr): Modify comments.
4231         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
4232         ix86_expand_prologue.
4233         (ix86_expand_prologue): Modify stack realignment and allocation.
4234         (ix86_expand_epilogue): Modify comments.
4235         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
4236         avx2_runtime, avx512f, and avx512f_runtime.
4237
4238 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
4239
4240         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
4241         (mstackrealign): Do not init to -1.
4242         * config/i386/i386.c (ix86_option_override_internal):
4243         Check opts_set, not opts when setting default value of
4244         opts->x_ix86_force_align_arg_pointer.
4245
4246 2017-08-23  Richard Biener  <rguenther@suse.de>
4247
4248         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
4249         lang_hooks.decl_printable_name.
4250         * print-rtl-function.c (print_rtx_function): Likewise.
4251         * tree-pretty-print.c (dump_function_header): Likewise.
4252
4253 2017-08-23  Richard Biener  <rguenther@suse.de>
4254
4255         PR lto/81940
4256         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
4257         -g0 at compile-time.
4258
4259 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4260
4261         PR middle-end/19706
4262         * doc/sourcebuild.texi (Other hardware attributes):
4263         Document xorsign.
4264
4265 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4266
4267         PR middle-end/19706
4268         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
4269         Fix single-use check.
4270
4271 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4272
4273         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
4274
4275 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4276
4277         * doc/install.texi: Modify to add more details on running selected
4278         tests.
4279
4280 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4281
4282         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
4283         is combined with -mabi=ms.
4284         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
4285         ms_abi.
4286
4287 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4288
4289         PR tree-optimization/81488
4290         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
4291         and cached_basis fields.
4292         (MAX_SPREAD): New constant.
4293         (alloc_cand_and_find_basis): Initialize new fields.
4294         (clear_visited): New function.
4295         (create_phi_basis_1): Rename from create_phi_basis, set visited
4296         and cached_basis fields.
4297         (create_phi_basis): New wrapper function.
4298         (phi_add_costs_1): Rename from phi_add_costs, add spread
4299         parameter, set visited field, short-circuit when limits reached.
4300         (phi_add_costs): New wrapper function.
4301         (record_phi_increments_1): Rename from record_phi_increments, set
4302         visited field.
4303         (record_phi_increments): New wrapper function.
4304         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
4305         (phi_incr_cost): New wrapper function.
4306         (all_phi_incrs_profitable_1): Rename from
4307         all_phi_incrs_profitable, set visited field.
4308         (all_phi_incrs_profitable): New wrapper function.
4309
4310 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4311             Alan Hayward  <alan.hayward@arm.com>
4312             David Sherwood  <david.sherwood@arm.com>
4313
4314         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
4315         that takes the outer and inner modes.
4316         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
4317         comparison as the canonical test for a paradoxical subreg.
4318         * combine.c (simplify_set): Use paradoxical_subreg_p.
4319         (make_extraction): Likewise.
4320         (force_to_mode): Likewise.
4321         (rtx_equal_for_field_assignment_p): Likewise.
4322         (gen_lowpart_for_combine): Likewise.
4323         (simplify_comparison): Likewise.
4324         * cse.c (equiv_constant): Likewise.
4325         * expmed.c (store_bit_field_1): Likewise.
4326         * final.c (alter_subreg): Likewise.
4327         * fwprop.c (propagate_rtx): Likewise.
4328         (forward_propagate_subreg): Likewise.
4329         * ira-conflicts.c (ira_build_conflicts): Likewise.
4330         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
4331         * lra-constraints.c (curr_insn_transform): Likewise.
4332         (split_reg): Likewise.
4333         * lra-eliminations.c (move_plus_up): Likewise.
4334         (lra_eliminate_regs_1): Likewise.
4335         * recog.c (general_operand): Likewise.
4336         * ree.c (combine_reaching_defs): Likewise.
4337         * reload.c (push_reload): Likewise.
4338         (find_reloads): Likewise.
4339         * reload1.c (elimination_effects): Likewise.
4340         (compute_reload_subreg_offset): Likewise.
4341         (choose_reload_regs): Likewise.
4342         * rtlanal.c (subreg_lsb_1): Likewise.
4343         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4344         (simplify_subreg): Likewise.
4345         * var-tracking.c (track_loc_p): Likewise.
4346         * emit-rtl.c (byte_lowpart_offset): Likewise.
4347         (paradoxical_subreg_p): Delete out-of-line definition.
4348
4349 2017-08-22  Jeff Law  <law@redhat.com>
4350
4351         PR tree-optimization/81741
4352         PR tree-optimization/71947
4353         * tree-ssa-dom.c: Include tree-inline.h.
4354         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
4355         equivalences if one is more expensive to compute than the other.
4356         * tree-ssa-scopedtables.h (class const_or_copies): Make
4357         record_const_or_copy_raw method private.
4358         (class avail_exprs_stack): New method simplify_binary_operation.
4359         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
4360         avail_exprs_stack::simplify_binary_operation as needed.
4361         (avail_exprs_stack::simplify_binary_operation): New function.
4362
4363 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4364
4365         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
4366         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
4367         (DOT_SYMBOLS): Likewise.
4368         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4369         (RELOCATABLE_NEEDS_FIXUP): Likewise.
4370         (RS6000_ABI_NAME): Likewise.
4371         (TARGET_CMODEL): Likewise.
4372         (TOC_SECTION_ASM_OP): Likewise.
4373         (SET_CMODEL): New macro.
4374         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
4375
4376 2017-08-22  Richard Biener  <rguenther@suse.de>
4377
4378         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
4379         to allow for free-lang-data replacements similar to verify_type_variant.
4380
4381 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4382             Alan Hayward  <alan.hayward@arm.com>
4383             David Sherwood  <david.sherwood@arm.com>
4384
4385         * config/aarch64/aarch64.md (casesi): Use DImode rather than
4386         VOIDmode for the LABEL_REF.
4387
4388 2017-08-22  Richard Biener  <rguenther@suse.de>
4389
4390         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
4391
4392 2017-08-22  Richard Biener  <rguenther@suse.de>
4393
4394         * common.opt (feliminate-dwarf2-dups): Ignore.
4395         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
4396         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
4397         same_die_p_wrap, compute_section_prefix,
4398         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
4399         (comdat_symbol_id, comdat_symbol_number): Likewise.
4400         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
4401         Likewise.
4402         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
4403         (output_die): Mark unreachable path unreachable.
4404         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
4405         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
4406         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
4407         (dwarf2out_early_finish): Likewise.
4408
4409 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
4410
4411         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
4412
4413 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
4414
4415         PR target/81910
4416         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
4417         not VAR_P. Filter attribute warnings with OPT_Wattributes.
4418         (avr_attribute_table) <io, io_low, address>: Initialize
4419         .decl_required with true.
4420
4421 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
4422
4423         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
4424         undocumented debugging options.
4425         (-mvsx-scalar-double): Likewise.
4426         (-mallow-df-permute): Likewise.
4427         (-mvectorize-builtins): Likewise.
4428         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4429         (rs6000_builtin_vectorized_function): Likewise.
4430         (rs6000_builtin_md_vectorized_function): Likewise.
4431         (rs6000_opt_vars): Likewise.
4432
4433 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
4434
4435         PR target/46091
4436         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
4437         (*btrq_imm): Rename from *btrq.
4438         (*btcq_imm): Rename from *btcq.
4439         (btsc): New code attribute.
4440         (*<btsc><mode>): New insn pattern.
4441         (*btr<mode>): Ditto.
4442         (*<btsc><mode>_mask): New insn_and_split pattern.
4443         (*btr<mode>_mask): Ditto.
4444
4445 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4446             Alan Hayward  <alan.hayward@arm.com>
4447             David Sherwood  <david.sherwood@arm.com>
4448
4449         * function.c (pad_below): Simplify padding calculation.
4450
4451 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4452             Alan Hayward  <alan.hayward@arm.com>
4453             David Sherwood  <david.sherwood@arm.com>
4454
4455         * target.def (function_prologue): Remove frame size argument.
4456         (function_epilogue): Likewise.
4457         * doc/tm.texi: Regenerate.
4458         * final.c (final_start_function): Update call to function_prologue.
4459         (final_end_function): Update call to function_epilogue.
4460         (default_function_pro_epilogue): Remove frame size argument.
4461         * output.h (default_function_pro_epilogue): Likewise.
4462         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
4463         (arm_output_function_prologue): Likewise.
4464         * config/frv/frv.c (frv_function_prologue): Likewise.
4465         (frv_function_epilogue): Likewise.
4466         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
4467         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
4468         (ia64_output_function_epilogue): Likewise.
4469         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
4470         (m32r_output_function_epilogue): Likewise.
4471         * config/microblaze/microblaze.c (microblaze_function_prologue)
4472         (microblaze_function_epilogue): Likewise.
4473         * config/mips/mips.c (mips_output_function_prologue): Likewise.
4474         (mips_output_function_epilogue): Likewise.
4475         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
4476         (mmix_target_asm_function_epilogue): Likewise.
4477         * config/msp430/msp430.c (msp430_start_function): Likewise.
4478         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
4479         (nds32_asm_function_epilogue): Likewise.
4480         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
4481         * config/pa/pa.c (pa_output_function_prologue): Likewise.
4482         (pa_output_function_epilogue): Likewise.
4483         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
4484         (rs6000_output_function_epilogue): Likewise.
4485         * config/rl78/rl78.c (rl78_start_function): Likewise.
4486         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
4487         (rs6000_output_function_epilogue): Likewise.
4488         * config/rx/rx.c (rx_output_function_prologue): Likewise.
4489         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
4490         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
4491         (sparc_asm_function_epilogue): Likewise.
4492
4493 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4494
4495         * tree.h (type_has_mode_precision_p): New function.
4496         * convert.c (convert_to_integer_1): Use it.
4497         * expr.c (expand_expr_real_2): Likewise.
4498         (expand_expr_real_1): Likewise.
4499         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
4500         * match.pd: Likewise.
4501         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
4502         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
4503         * tree-tailcall.c (process_assignment): Likewise.
4504         * tree-vect-loop.c (vectorizable_reduction): Likewise.
4505         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
4506         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
4507         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4508         (vectorizable_assignment): Likewise.
4509         (vectorizable_shift): Likewise.
4510         (vectorizable_operation): Likewise.
4511         * tree-vrp.c (register_edge_assert_for_2): Likewise.
4512
4513 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
4514
4515         * match.pd: Add pow (C, x) simplification.
4516
4517 2017-08-21  Richard Biener  <rguenther@suse.de>
4518
4519         PR tree-optimization/81900
4520         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
4521         for blocks with abnormal predecessors.
4522         (compute_antic): Do not set visited flag prematurely.
4523
4524 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
4525
4526         PR target/79883
4527         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
4528
4529 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4530
4531         * stor-layout.h (vector_type_mode): Move to...
4532         * tree.h (vector_type_mode): ...here.
4533         * stor-layout.c (vector_type_mode): Move to...
4534         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
4535
4536 2017-08-21  Richard Biener  <rguenther@suse.de>
4537
4538         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
4539         register_external_die hooks.
4540         (debug_false_tree_charstarstar_uhwistar): Declare.
4541         (debug_nothing_tree_charstar_uhwi): Likewise.
4542         * debug.c (do_nothing_debug_hooks): Adjust.
4543         (debug_false_tree_charstarstar_uhwistar): New do nothing.
4544         (debug_nothing_tree_charstar_uhwi): Likewise.
4545         * dbxout.c (dbx_debug_hooks): Adjust.
4546         (xcoff_debug_hooks): Likewise.
4547         * sdbout.c (sdb_debug_hooks): Likewise.
4548         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4549         * dwarf2out.c (macinfo_label_base): New global.
4550         (dwarf2out_register_external_die): New function for the
4551         register_external_die hook.
4552         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
4553         (dwarf2_debug_hooks): Use them.
4554         (dwarf2_lineno_debug_hooks): Adjust.
4555         (struct die_struct): Add with_offset flag.
4556         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
4557         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
4558         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
4559         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
4560         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
4561         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
4562         defining section names for the early LTO debug variants.
4563         (reset_indirect_string): New helper.
4564         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
4565         (print_dw_val): Add support for offsetted symbol references.
4566         (get_ultimate_context): Split out from is_cxx.
4567         (is_cxx): Use get_ultimate_context.
4568         (is_fortran): Add decl overload.
4569         (compute_comp_unit_symbol): Split out worker from
4570         compute_section_prefix.
4571         (compute_section_prefix): Call compute_comp_unit_symbol and
4572         set comdat_type_p here.
4573         (output_die): Skip DIE symbol output for the LTO added one.
4574         Handle DIE symbol references with offset.
4575         (output_comp_unit): Guard section name mangling properly.
4576         For LTO debug sections emit a symbol at the section beginning
4577         which we use to refer to its DIEs.
4578         (add_abstract_origin_attribute): For DIEs registered via
4579         dwarf2out_register_external_die directly refer to the early
4580         DIE rather than indirectly through the shadow one we created.
4581         Remove obsolete call to dwarf2out_abstract_function for
4582         non-function/block origins.
4583         (gen_array_type_die): When generating early LTO debug do
4584         not emit DW_AT_string_length.
4585         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
4586         late when in LTO.  As suggested place a gcc_unreachable for
4587         the DECL_ABSTRACT_P case.
4588         (gen_subprogram_die): Avoid another specification DIE
4589         for early built declarations/definitions for the late LTO case.
4590         (gen_variable_die): Add type references for late duplicated VLA dies
4591         when in late LTO.
4592         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
4593         we have the abstract instance already.
4594         (process_scope_var): Adjust decl DIE contexts in LTO which
4595         first puts them in limbo.
4596         (gen_decl_die): Do not generate type DIEs late apart from
4597         types for VLAs or for decls we do not yet have a DIE.  Do not
4598         call dwarf2out_abstract_function late.
4599         (dwarf2out_early_global_decl): Make sure to create DIEs
4600         for abstract instances of a decl first.
4601         (dwarf2out_late_global_decl): Adjust comment.
4602         (output_macinfo_op): With multiple macro sections use
4603         macinfo_label_base to distinguish labels.
4604         (output_macinfo): Likewise.  Update macinfo_label_base.
4605         Pass in the line info label.
4606         (note_variable_value_in_expr): When generating LTO resolve
4607         all variable values here by generating DIEs as needed.
4608         (init_sections_and_labels): Add early LTO debug flag parameter
4609         and generate different sections and names if set.  Add generation
4610         counter for the labels so we can have multiple of them.
4611         (reset_dies): Helper to allow DIEs to be output multiple times.
4612         (dwarf2out_finish): When outputting DIEs to the fat part of an
4613         LTO object first reset DIEs.
4614         (dwarf2out_early_finish): Output early DIEs when generating LTO.
4615         (modified_type_die): Check for decl_ultimate_origin being self
4616         before recursing.
4617         (gen_type_die_with_usage): Likewise.
4618         (gen_typedef_die): Allow decl_ultimate_origin being self.
4619         (set_decl_abstract_flags): Remove.
4620         (set_block_abstract_flags): Likewise.
4621         (dwarf2out_abstract_function): Treat the early generated DIEs
4622         as the abstract copy and only add DW_AT_inline and
4623         DW_AT_artificial here and call set_decl_origin_self.
4624         If the DIE has an abstract origin don't do anything.
4625         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
4626         if we have none yet (Go fails to build one, PR78628).
4627         (variably_modified_type_p): Prevent endless recursion for Ada
4628         cyclic pointer types.
4629         * lto-streamer-in.c: Include debug.h.
4630         (dref_queue): New global.
4631         (lto_read_tree_1): Stream in DIE references.
4632         (lto_input_tree): Register DIE references.
4633         (input_function): Stream DECL_DEBUG_ARGS.
4634         * lto-streamer-out.c: Include debug.h.
4635         (lto_write_tree_1): Output DIE references.
4636         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
4637         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
4638         (output_function): Stream DECL_DEBUG_ARGS.
4639         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
4640         Stream DECL_ABSTRACT_ORIGIN.
4641         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
4642         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
4643         DECL_CONTEXT for file-scope decls.
4644         * lto-streamer.h (struct dref_entry): Declare.
4645         (dref_queue): Likewise.
4646         * cfgexpand.c (pass_expand::execute): Do not call the
4647         outlining_inline_function hook here.
4648         * lto-wrapper.c (debug_obj): New global.
4649         (tool_cleanup): Unlink it if required.
4650         (debug_objcopy): New function.
4651         (run_gcc): Handle early debug sections in the IL files by
4652         extracting them to separate files, partially linkin them and
4653         feeding the result back as result to the linker.
4654         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
4655         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
4656         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
4657         sections into a separate segment.
4658         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
4659         segments.
4660         (darwin_asm_dwarf_section): Likewise.
4661         (darwin_asm_output_dwarf_offset): Likewise.
4662         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
4663
4664 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4665             Alan Hayward  <alan.hayward@arm.com>
4666             David Sherwood  <david.sherwood@arm.com>
4667
4668         * read-md.h (md_reader::record_potential_iterator_use): Replace
4669         pointer argument with an rtx and an index.
4670         * read-rtl.c (iterator_group::apply_iterator): Likewise.
4671         (apply_mode_iterator): Likewise.
4672         (apply_code_iterator): Likewise.
4673         (apply_int_iterator): Likewise.
4674         (apply_subst_iterator): Likewise.
4675         (record_iterator_use): Likewise.
4676         (record_attribute_use): Likewise.
4677         (md_reader::record_potential_iterator_use): Likewise.  Update calls
4678         to record_iterator_use and apply_iterator.
4679         (iterator_use): Replace ptr with x and index.
4680         (attribute_use): Likewise.
4681         (apply_attribute_uses): Update calls to apply_iterator.
4682         (apply_iterators): Likewise.  Update initialization of iterator_use.
4683         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
4684         and record_potential_iterator_use.
4685         (rtx_reader::read_rtx_operand): Likewise.
4686
4687 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4688             Alan Hayward  <alan.hayward@arm.com>
4689             David Sherwood  <david.sherwood@arm.com>
4690
4691         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
4692         CONST_WIDE_INT.
4693
4694 2017-08-21  Richard Biener  <rguenther@suse.de>
4695
4696         PR middle-end/81884
4697         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
4698         at struct end conservatively when comparing common bases.
4699
4700 2017-08-21  Richard Biener  <rguenther@suse.de>
4701
4702         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
4703         (mem_ref_in_stmt): Remove.
4704         (determine_max_movement): Use ref index to get at the reference.
4705         (invariantness_dom_walker::before_dom_children): Deal with
4706         lim data already initialized.
4707         (gather_mem_refs_stmt): Initialize lim data and record ref index.
4708
4709 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
4710
4711         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
4712         (TARGET_ISA_ROUND): Ditto.
4713         (TARGET_ROUND): Ditto.
4714         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
4715         * config/i386/i386.md: Ditto.
4716         * config/i386/sse.md: Ditto.
4717         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
4718         with OPTION_MASK_ISA_SSE4_1.
4719
4720 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
4721
4722         PR target/81894
4723         * doc/extend.texi (x86 Built-in Functions): Correct the name of
4724         __builtin_ia32_lzcnt_u16.
4725
4726 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
4727
4728         PR target/80210
4729         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
4730         (rs6000_set_current_function): Rewrite function to use it.
4731
4732 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
4733
4734         PR c/53037
4735         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
4736         and TYPE_WARN_IF_NOT_ALIGN.
4737         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
4738         (handle_warn_if_not_align): New.
4739         (place_union_field): Call handle_warn_if_not_align.
4740         (place_field): Call handle_warn_if_not_align.
4741         Copy TYPE_WARN_IF_NOT_ALIGN.
4742         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
4743         (layout_type): Likewise.
4744         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
4745         spare to 18.
4746         (tree_decl_common): Add warn_if_not_align.
4747         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
4748         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
4749         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
4750         (DECL_WARN_IF_NOT_ALIGN): Likewise.
4751         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
4752         * doc/extend.texi: Document warn_if_not_aligned attribute.
4753         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
4754
4755 2017-08-17  Martin Liska  <mliska@suse.cz>
4756
4757         PR bootstrap/81864
4758         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
4759         (get_data_dependence): Use it as pointer type.
4760         (distribute_loop): Likewise.
4761
4762 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4763
4764         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
4765         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
4766         (p8_vmrgow_<mode>_direct): New define_insn.
4767         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
4768         handle endianness for vmrgew and vmrgow permute patterns.
4769
4770 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
4771
4772         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
4773         * config/rs6000/rs6000-cpus.def: Remove comment.
4774         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
4775         (POWERPC_MASKS): Likewise.
4776         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
4777         use of TARGET_VSX_TIMODE.
4778         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
4779         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
4780         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
4781         (rs6000_option_override_internal): Remove dead code.
4782         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
4783         (rs6000_legitimize_reload_address): Likewise.
4784         (rs6000_legitimate_address_p): Likewise.
4785         (rs6000_opt_masks): Delete "vsx-timode".
4786         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
4787         from function comment.
4788         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
4789         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
4790         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
4791         condition.
4792         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
4793         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
4794         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
4795         (VSX_TI): Likewise.
4796         (VSX_M): Likewise.
4797         (define_peephole2): Likewise.
4798
4799 2017-08-17  Martin Sebor  <msebor@redhat.com>
4800
4801         PR c/81859
4802         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
4803         past the end of an array.
4804         (test_pp_format): Add test cases.
4805
4806 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
4807
4808         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
4809         missing ECF_NOTHROW flags.
4810
4811 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
4812
4813         PR target/72804
4814         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
4815         operands residing in integer registers.
4816         (*vsx_le_perm_load_<mode>): Likewise.
4817         (*vsx_le_perm_store_<mode>): Likewise.
4818         (define_peephole2): Add peepholes to optimize the above.
4819
4820 2017-08-17  Marek Polacek  <polacek@redhat.com>
4821
4822         PR middle-end/81814
4823         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
4824         to mimic what shorten_compare did.  Change the return type to bool.
4825         (fold_cond_expr_with_comparison): Update call to
4826         operand_equal_for_comparison_p.
4827         (fold_ternary_loc): Likewise.
4828
4829 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
4830
4831         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
4832         register.
4833         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
4834
4835 2017-08-17  Richard Biener  <rguenther@suse.de>
4836
4837         * tree-ssa-structalias.c (solve_graph): When propagating
4838         to successors update the graphs succ edges and avoid duplicate work.
4839
4840 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
4841
4842         PR target/81861
4843         * config/i386/i386.c (ix86_option_override_internal): Save target
4844         specific options after ix86_stack_protector_guard_reg was changed.
4845
4846 2017-08-17  Richard Biener  <rguenther@suse.de>
4847
4848         PR tree-optimization/81827
4849         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
4850         (new_var_info): Initialize it conservatively.
4851         (get_call_vi): Mark register vars.
4852         (new_scalar_tmp_constraint_exp): Likewise.
4853         (handle_rhs_call): Likewise.
4854         (handle_const_call): Likewise.
4855         (create_function_info_for): Likewise.
4856         (solve_constraints): Sort varinfos to separate register from
4857         non-register vars to pack points-to solution bitmaps during
4858         iteration.
4859
4860 2017-08-17  Marek Polacek  <polacek@redhat.com>
4861
4862         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
4863
4864 2017-08-17  Richard Biener  <rguenther@suse.de>
4865
4866         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
4867         to true when overflow is undefined and we saturated the result.
4868
4869 2017-08-17  Alan Modra  <amodra@gmail.com>
4870
4871         PR target/80938
4872         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
4873         Don't use store multiple if only one reg needs saving.
4874         (interesting_frame_related_regno): New function.
4875         (rs6000_frame_related): Don't emit frame info for regs that
4876         don't need saving.
4877         (rs6000_emit_epilogue): Likewise.
4878
4879 2017-08-16  Nathan Sidwell  <nathan@acm.org>
4880
4881         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
4882         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
4883         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
4884         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
4885         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
4886         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
4887         (verify_type): Adjust for TYPE_BINFO move.
4888         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
4889         process TYPE_BINFO directly.
4890         (hash_tree): Likewise.
4891         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
4892         Likewise.
4893         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
4894         Likewise.
4895
4896 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
4897
4898         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
4899
4900 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
4901
4902         PR target/46091
4903         * config/i386/i386.md (*anddi_1_btr): Change predicates of
4904         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
4905         Add ix86_binary_operator_ok to insn constraint.
4906         (*iordi_1_bts): Ditto.
4907         (*xordi_1_btc): Ditto.
4908         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
4909         Update corresponding peephole2 pattern.
4910         (*btrq): Ditto.
4911         (*btcq): Ditto.
4912
4913 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
4914
4915         PR tree-optimization/81832
4916         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
4917         copy loop header which has IFN_LOOP_DIST_ALIAS call.
4918
4919 2017-08-16  Marek Polacek  <polacek@redhat.com>
4920
4921         PR middle/81695
4922         * fold-const.c (fold_indirect_ref_1): Restore original behavior
4923         regarding size_zero_node.
4924
4925 2017-08-16  Martin Liska  <mliska@suse.cz>
4926
4927         PR target/81753
4928         * config.gcc: Respect previously set extra_objs in case
4929         of darwin target.
4930
4931 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
4932
4933         PR tree-optimization/81835
4934         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
4935         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
4936         not depend on the phi.
4937
4938 2017-08-16  Alan Modra  <amodra@gmail.com>
4939
4940         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
4941         dead code.
4942
4943 2017-08-16  Alan Modra  <amodra@gmail.com>
4944
4945         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
4946         (save_reg_p): ..into this.  Update all callers.
4947         (first_reg_to_save): Simplify.
4948
4949 2017-08-16  Alan Modra  <amodra@gmail.com>
4950
4951         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
4952         fixed regs.
4953
4954 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
4955
4956         PR target/78460
4957         PR target/67712
4958         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
4959         constant count if that count is less than 32.
4960
4961 2017-08-15  Nathan Sidwell  <nathan@acm.org>
4962
4963         * gcc.c (execute): Emit friendlier message if inferior is killed
4964         by an external cause.
4965
4966 2017-08-15  Richard Biener  <rguenther@suse.de>
4967
4968         PR tree-optimization/81790
4969         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
4970         CONSTRUCTORs from simplifying and VN.
4971
4972 2017-08-14  Martin Sebor  <msebor@redhat.com>
4973
4974         * builtin-attrs.def: Add comments.
4975
4976 2017-08-14  Martin Sebor  <msebor@redhat.com>
4977
4978         PR c/81117
4979         * doc/extend.texi (attribute nonstring): Document new attribute.
4980
4981 2017-08-14  Martin Sebor  <msebor@redhat.com>
4982
4983         PR c/81117
4984         * tree-diagnostic.c (default_tree_printer): Handle %G.
4985         * gimple-pretty-print.h (percent_G_format): Declare new function.
4986         * gimple-pretty-print.c (percent_G_format): Define.
4987         * tree-pretty-print.c (percent_K_format): Add argument.
4988
4989 2017-08-14  Martin Sebor  <msebor@redhat.com>
4990
4991         PR translation/79998
4992         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
4993         Remove a stray space.
4994
4995 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
4996
4997         PR target/46091
4998         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
4999         (*iordi_1_bts): Ditto.
5000         (*xordi_1_btc): Ditto.
5001
5002 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5003
5004         PR target/79845
5005         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
5006         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5007         Likewise.
5008         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
5009         quoted strings, and make more translator-friendly.
5010         (darwin_rs6000_override_options): Likewise.
5011         (rs6000_option_override_internal): Likewise.
5012         (rs6000_return_in_memory): Fix overlong line.
5013         (init_cmulative_args): Use quoted strings, and make more
5014         translator-friendly.
5015         (rs6000_pass_by_reference): Fix overlong line.
5016         (def_builtin): Use quoted strings.
5017         (altivec_expand_predicate_builtin): Use quoted strings, and make
5018         more translator-friendly.
5019         (htm_expand_builtin): Use quoted strings.
5020         (cpu_expand_builtin): Use quoted strings, and make more
5021         translator-friendly.
5022         (altivec_expand_builtin): Likewise.
5023         (paired_expand_predicate_builtin): Likewise.
5024         (rs6000_invalid_builtin): Likewise.
5025         (builtin_function_type): Use quoted strings.
5026         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
5027         more translator-friendly.
5028         (rs6000_trampoline_init): Likewise.
5029         (rs6000_handle_altivec_attribute): Likewise.
5030         (rs6000_inner_target_options): Use quoted strings.
5031         (rs6000_disable_incompatible_switches): Likewise.
5032         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
5033         strings, and make more translator-friendly.
5034         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
5035
5036 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
5037
5038         PR tree-optimization/81799
5039         * tree-loop-distribution.c (version_loop_by_alias_check): Force
5040         cond_expr to simple gimple operand.
5041
5042 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
5043
5044         PR middle-end/46932
5045         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
5046
5047 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
5048
5049         PR target/81754
5050         PR target/81268
5051         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
5052         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
5053         TARGET_GASISR_PROLOGUES.
5054         * config/avr/avr.c (avr_option_override): Same.
5055         (avr_pass_pre_proep::execute): Same.
5056
5057 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
5058
5059         PR target/81820
5060         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
5061         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
5062
5063 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
5064
5065         * config/i386/i386.md (*load_tp_<mode>): Redefine as
5066         define_insn_and_split.  Split to a memory load from 0 in
5067         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
5068         using PTR mode iterator.
5069         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
5070         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
5071         (*add_tp_<mode>): Redefine as define_insn_and_split.
5072         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
5073         address space.  Merge with *add_tp_x32 using PTR mode iterator.
5074         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
5075         Split to an add with a  memory load from 0 in
5076         DEFAULT_TLS_SEG_REG address space.
5077
5078 2017-08-12  Andrew Pinski  <apinski@cavium.com>
5079
5080         * config/aarch64/aarch64-option-extensions.def (rdma):
5081         Fix feature string to what Linux prints out in /proc/cpuinfo.
5082
5083 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
5084
5085         PR ada/79542
5086         * dwarf2out.c (modified_type_die): For C typedef types that have
5087         an ultimate origin, process the ultimate origin instead of the
5088         input type.
5089         (gen_typedef_die): Assert that input DECLs have no ultimate
5090         origin.
5091         (gen_type_die_with_usage): For typedef variants that have an
5092         ultimate origin, just call gen_decl_die on the original DECL.
5093         (process_scope_var): Avoid creating DIEs for local typedefs and
5094         concrete static variables.
5095
5096 2017-08-12  Alan Modra  <amodra@gmail.com>
5097
5098         PR target/81170
5099         PR target/81295
5100         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
5101         match gnu-user.h startfile.
5102         (ENDFILE_LINUX_SPEC): Similarly.
5103
5104 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
5105
5106         PR lto/81430
5107         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
5108         Remove function.
5109         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
5110
5111 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
5112         * config/aarch64/aarch64.md (mov<mode>): Change.
5113         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5114         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
5115         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
5116
5117 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
5118
5119         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
5120         for storage order barriers.
5121
5122 2017-08-11  Martin Liska  <mliska@suse.cz>
5123
5124         PR tree-opt/79987
5125         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
5126         variables of void type.
5127
5128 2017-08-11  Martin Liska  <mliska@suse.cz>
5129
5130         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
5131         TARGET_SUPPORTS_ALIASES.
5132         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
5133         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
5134         (optimize_weakref): Likewise.
5135         * symtab.c (symtab_node::noninterposable_alias): Likewise.
5136         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
5137         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
5138
5139 2017-08-11  Martin Liska  <mliska@suse.cz>
5140
5141         PR ipa/81213
5142         * config/i386/i386.c (make_resolver_func): Do complete
5143         refactoring of the function.
5144
5145 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5146
5147         PR target/81708
5148         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
5149         * config/i386/i386.c (ix86_stack_protect_guard): Use
5150         ix86_stack_protect_guard_symbol_str to generate varible declaration.
5151         * doc/invoke.texi (x86 Options): Document
5152         -mstack-protector-guard-symbol= option.
5153
5154 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5155
5156         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
5157         * config/i386/i386.c (ix86_split_stack_guard): New function.
5158         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
5159         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
5160         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
5161         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
5162         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
5163         (split_stack_space_check): Call ix86_split_stack_guard.
5164
5165 2017-08-10  Martin Sebor  <msebor@redhat.com>
5166
5167         * print-tree.c (print_node): Print location using the established
5168         format %s:%i%i.
5169         Replace spaces with colons.
5170         (debug_raw, debug): Ditto.
5171
5172 2017-08-10  Martin Sebor  <msebor@redhat.com>
5173
5174         PR c++/81586
5175         * pretty-print.c (pp_format): Correct the handling of %s precision.
5176
5177 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5178
5179         PR target/81736
5180         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5181         to ...
5182         (ix86_finalize_stack_frame_flags): This.  Also clear
5183         frame_pointer_needed if -fno-omit-frame-pointer is used without
5184         stack access.
5185         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5186         with ix86_finalize_stack_frame_flags.
5187         (ix86_expand_epilogue): Likewise.
5188         (ix86_expand_split_stack_prologue): Likewise.
5189         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
5190
5191 2017-08-10  Martin Liska  <mliska@suse.cz>
5192
5193         PR c++/81355
5194         * c-attribs.c (handle_target_attribute):
5195         Report warning for an empty string argument of target attribute.
5196
5197 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
5198
5199         PR c/81687
5200         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
5201         LABEL_DECLs.
5202         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
5203         or DECL_NONLOCAL labels.
5204         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
5205         or DECL_NONLOCAL labels here.
5206
5207 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
5208
5209         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
5210         to indicate when early gimple folding has been disabled.
5211         (rs6000_gimple_fold_builtin): Add debug content.
5212         (rs6000_invalid_builtin): Fix whitespace.
5213         (rs6000_expand_builtin): Fix whitespace.
5214         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
5215
5216 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
5217
5218         PR target/80938
5219         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5220         SAVE_MULTIPLE if not all the registers that saves, should be saved.
5221
5222 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
5223
5224         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
5225         (qdf24xx): Likewise.
5226         * config/aarch64/aarch64.md: Include falkor.md.
5227         * config/aarch64/falkor.md: New.
5228
5229 2017-08-09  Marek Polacek  <polacek@redhat.com>
5230
5231         PR c/81233
5232         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
5233         * diagnostic.c (emit_diagnostic): Add a comment.
5234         (emit_diagnostic_valist): New function.
5235
5236 2017-08-09  Marek Polacek  <polacek@redhat.com>
5237
5238         PR c/81417
5239         * input.c (make_location): New overload.
5240         * input.h (make_location): Declare.
5241
5242 2017-08-08  Alan Modra  <amodra@gmail.com>
5243             H.J. Lu  <hongjiu.lu@intel.com>
5244
5245         PR driver/81523
5246         * gcc.c (NO_PIE_SPEC): Delete.
5247         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
5248         exclusion..
5249         (LINK_PIE_SPEC): ..to here.
5250         (LINK_COMMAND_SPEC): Support -no-pie.
5251         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
5252         chain of crtbegin*.o selection, update for PIE_SPEC changes and
5253         format.
5254         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
5255         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
5256         (ENDFILE_CRTEND_SPEC): Similarly.
5257
5258 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
5259
5260         PR target/81708
5261         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
5262         (mstack-protector-guard-offset=): Ditto.
5263         * config/i386/i386.c (ix86_option_override): Handle
5264         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
5265         options.
5266         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
5267         ix86_stack_protect_guard_offset variables.
5268         (TARGET_STACK_PROTECT_GUARD): Always define.
5269         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
5270         and -mstack-protector-guard-offset= options.
5271
5272 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5273
5274         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
5275         boundary case for the last candidate.
5276
5277 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5278
5279         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
5280         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
5281
5282 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5283
5284         PR middle-end/19706
5285         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
5286         * config/aarch64/aarch64-builtins.c
5287         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
5288         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
5289         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
5290
5291 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5292             Andrew Pinski <pinskia@gmail.com>
5293
5294         PR middle-end/19706
5295         * internal-fn.def (XORSIGN): New.
5296         * optabs.def (xorsign_optab): New.
5297         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
5298         (convert_expand_mult_copysign): New.
5299         (pass_optimize_widening_mul::execute): Call
5300         convert_expand_mult_copysign.
5301
5302 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5303
5304         PR tree-optimization/81354
5305         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
5306         Insert on edges rather than explicitly creating landing pads.
5307         (analyze_candidates_and_replace): Commit edge inserts.
5308
5309 2017-08-08  Richard Biener  <rguenther@suse.de>
5310
5311         PR middle-end/81719
5312         * tree-ssa-loop-niter.c: Include tree-dfa.h.
5313         (expand_simple_operations): Also look through ADDR_EXPRs with
5314         MEM_REF bases treating them as POINTER_PLUS_EXPR.
5315
5316 2017-08-08  Richard Biener  <rguenther@suse.de>
5317
5318         PR tree-optimization/81723
5319         * tree-vect-slp.c (struct bst_traits): New hash traits.
5320         (bst_fail): New global.
5321         (vect_build_slp_tree_2): New worker, split out from ...
5322         (vect_build_slp_tree): ... this now wrapping it with using
5323         bst_fail set to cache SLP tree build fails.  Properly handle
5324         max_tree_size.
5325         (vect_analyze_slp_instance): Allocate and free bst_fail.
5326
5327 2017-08-08  Martin Liska  <mliska@suse.cz>
5328
5329         PR tree-opt/81696
5330         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
5331         LABEL_DECLs that can be from a different function.
5332
5333 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5334
5335         PR tree-optimization/81744
5336         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
5337         loop's number of iterations.
5338
5339 2017-08-08  Martin Liska  <mliska@suse.cz>
5340
5341         * asan.c: Include header files.
5342         * attribs.c (build_decl_attribute_variant): New function moved
5343         from tree.[ch].
5344         (build_type_attribute_qual_variant): Likewise.
5345         (cmp_attrib_identifiers): Likewise.
5346         (simple_cst_list_equal): Likewise.
5347         (omp_declare_simd_clauses_equal): Likewise.
5348         (attribute_value_equal): Likewise.
5349         (comp_type_attributes): Likewise.
5350         (build_type_attribute_variant): Likewise.
5351         (lookup_ident_attribute): Likewise.
5352         (remove_attribute): Likewise.
5353         (merge_attributes): Likewise.
5354         (merge_type_attributes): Likewise.
5355         (merge_decl_attributes): Likewise.
5356         (merge_dllimport_decl_attributes): Likewise.
5357         (handle_dll_attribute): Likewise.
5358         (attribute_list_equal): Likewise.
5359         (attribute_list_contained): Likewise.
5360         * attribs.h (lookup_attribute): New function moved from tree.[ch].
5361         (lookup_attribute_by_prefix): Likewise.
5362         * bb-reorder.c: Include header files.
5363         * builtins.c: Likewise.
5364         * calls.c: Likewise.
5365         * cfgexpand.c: Likewise.
5366         * cgraph.c: Likewise.
5367         * cgraphunit.c: Likewise.
5368         * convert.c: Likewise.
5369         * dwarf2out.c: Likewise.
5370         * final.c: Likewise.
5371         * fold-const.c: Likewise.
5372         * function.c: Likewise.
5373         * gimple-expr.c: Likewise.
5374         * gimple-fold.c: Likewise.
5375         * gimple-pretty-print.c: Likewise.
5376         * gimple.c: Likewise.
5377         * gimplify.c: Likewise.
5378         * hsa-common.c: Likewise.
5379         * hsa-gen.c: Likewise.
5380         * internal-fn.c: Likewise.
5381         * ipa-chkp.c: Likewise.
5382         * ipa-cp.c: Likewise.
5383         * ipa-devirt.c: Likewise.
5384         * ipa-fnsummary.c: Likewise.
5385         * ipa-inline.c: Likewise.
5386         * ipa-visibility.c: Likewise.
5387         * ipa.c: Likewise.
5388         * lto-cgraph.c: Likewise.
5389         * omp-expand.c: Likewise.
5390         * omp-general.c: Likewise.
5391         * omp-low.c: Likewise.
5392         * omp-offload.c: Likewise.
5393         * omp-simd-clone.c: Likewise.
5394         * opts-global.c: Likewise.
5395         * passes.c: Likewise.
5396         * predict.c: Likewise.
5397         * sancov.c: Likewise.
5398         * sanopt.c: Likewise.
5399         * symtab.c: Likewise.
5400         * toplev.c: Likewise.
5401         * trans-mem.c: Likewise.
5402         * tree-chkp.c: Likewise.
5403         * tree-eh.c: Likewise.
5404         * tree-into-ssa.c: Likewise.
5405         * tree-object-size.c: Likewise.
5406         * tree-parloops.c: Likewise.
5407         * tree-profile.c: Likewise.
5408         * tree-ssa-ccp.c: Likewise.
5409         * tree-ssa-live.c: Likewise.
5410         * tree-ssa-loop.c: Likewise.
5411         * tree-ssa-sccvn.c: Likewise.
5412         * tree-ssa-structalias.c: Likewise.
5413         * tree-ssa.c: Likewise.
5414         * tree-streamer-in.c: Likewise.
5415         * tree-vectorizer.c: Likewise.
5416         * tree-vrp.c: Likewise.
5417         * tsan.c: Likewise.
5418         * ubsan.c: Likewise.
5419         * varasm.c: Likewise.
5420         * varpool.c: Likewise.
5421         * tree.c: Remove functions moved to attribs.[ch].
5422         * tree.h: Likewise.
5423         * config/aarch64/aarch64.c: Add attrs.h header file.
5424         * config/alpha/alpha.c: Likewise.
5425         * config/arc/arc.c: Likewise.
5426         * config/arm/arm.c: Likewise.
5427         * config/avr/avr.c: Likewise.
5428         * config/bfin/bfin.c: Likewise.
5429         * config/c6x/c6x.c: Likewise.
5430         * config/cr16/cr16.c: Likewise.
5431         * config/cris/cris.c: Likewise.
5432         * config/darwin.c: Likewise.
5433         * config/epiphany/epiphany.c: Likewise.
5434         * config/fr30/fr30.c: Likewise.
5435         * config/frv/frv.c: Likewise.
5436         * config/ft32/ft32.c: Likewise.
5437         * config/h8300/h8300.c: Likewise.
5438         * config/i386/winnt.c: Likewise.
5439         * config/ia64/ia64.c: Likewise.
5440         * config/iq2000/iq2000.c: Likewise.
5441         * config/lm32/lm32.c: Likewise.
5442         * config/m32c/m32c.c: Likewise.
5443         * config/m32r/m32r.c: Likewise.
5444         * config/m68k/m68k.c: Likewise.
5445         * config/mcore/mcore.c: Likewise.
5446         * config/microblaze/microblaze.c: Likewise.
5447         * config/mips/mips.c: Likewise.
5448         * config/mmix/mmix.c: Likewise.
5449         * config/mn10300/mn10300.c: Likewise.
5450         * config/moxie/moxie.c: Likewise.
5451         * config/msp430/msp430.c: Likewise.
5452         * config/nds32/nds32-isr.c: Likewise.
5453         * config/nds32/nds32.c: Likewise.
5454         * config/nios2/nios2.c: Likewise.
5455         * config/nvptx/nvptx.c: Likewise.
5456         * config/pa/pa.c: Likewise.
5457         * config/pdp11/pdp11.c: Likewise.
5458         * config/powerpcspe/powerpcspe.c: Likewise.
5459         * config/riscv/riscv.c: Likewise.
5460         * config/rl78/rl78.c: Likewise.
5461         * config/rx/rx.c: Likewise.
5462         * config/s390/s390.c: Likewise.
5463         * config/sh/sh.c: Likewise.
5464         * config/sol2.c: Likewise.
5465         * config/sparc/sparc.c: Likewise.
5466         * config/spu/spu.c: Likewise.
5467         * config/stormy16/stormy16.c: Likewise.
5468         * config/tilegx/tilegx.c: Likewise.
5469         * config/tilepro/tilepro.c: Likewise.
5470         * config/v850/v850.c: Likewise.
5471         * config/vax/vax.c: Likewise.
5472         * config/visium/visium.c: Likewise.
5473         * config/xtensa/xtensa.c: Likewise.
5474
5475 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
5476
5477         PR target/81593
5478         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
5479         constraints since the -mupper-regs-* switches have been
5480         eliminated.
5481         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
5482         into a vector from a double word element that was extracted from
5483         another vector, and eliminate extra XXPERMDI instructions.
5484         (vsx_concat_<mode>_2): Likewise.
5485         (vsx_concat_<mode>_3): Likewise.
5486         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
5487         concat to allow optimizing inserts from previous extracts.
5488
5489 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
5490
5491         * config/i386/i386.c (ix86_stack_protect_guard): Generate
5492         memory reference to a SSP offset in TLS address space.
5493         (ix86_print_operand) <case '@'>: Remove.
5494         (ix86_print_operand_punct_valid_p): Remove '@' code.
5495         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
5496         UNSPEC_SP_TLS_TEST.
5497         (stack_tls_protect_set_<mode>): Remove.
5498         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
5499         (stack_tls_protect_test_<mode>): Remove.
5500         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
5501
5502 2017-08-07  Olivier Hainque  <hainque@adacore.com>
5503
5504         PR target/81755
5505         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
5506
5507 2017-08-07  Douglas Rupp  <rupp@adacore.com>
5508
5509         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
5510         variable was referenced as multidir in command.
5511
5512 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5513
5514         PR c/69389
5515         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
5516         BIT_FIELD_REF.
5517
5518 2017-08-07  Martin Liska  <mliska@suse.cz>
5519
5520         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
5521         * config/rl78/rl78.c: Add include of attribs.h.
5522         * config/sh/sh.c: Likewise.
5523         * config/v850/v850.c: Likewise.
5524
5525 2017-08-07  Tom de Vries  <tom@codesourcery.com>
5526
5527         PR middle-end/78266
5528         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
5529
5530 2017-08-07  Martin Liska  <mliska@suse.cz>
5531
5532         * config/mips/mips.c: Include attribs.h.
5533
5534 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
5535
5536         PR fortran/68829
5537         * doc/invoke.texi: Document change in behvaior for -Ofast for
5538         Fortran.
5539
5540 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
5541
5542         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
5543         Use gen_frame_mem.
5544         (aarch64_pop_regs): Likewise.
5545         (aarch64_gen_load_pair): Likewise.
5546         (aarch64_save_callee_saves): Likewise.
5547         (aarch64_restore_callee_saves): Likewise.
5548
5549 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5550
5551         * config/i386/i386.c: Revert the last change.
5552
5553 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5554
5555         PR target/81736
5556         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5557         to ...
5558         (ix86_finalize_stack_frame_flags): This.  Also clear
5559         frame_pointer_needed if -fno-omit-frame-pointer is used without
5560         stack access.
5561         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5562         with ix86_finalize_stack_frame_flags.
5563         (ix86_expand_epilogue): Likewise.
5564         (ix86_expand_split_stack_prologue): Likewise.
5565
5566 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5567
5568         PR target/81743
5569         * config/i386/i386.c (get_builtin_code_for_version): Set priority
5570         to P_AES for Westmere.
5571
5572 2017-08-07  Jonathan Yong  <10walls@gmail.com>
5573
5574         * config/i386/mingw.opt (fset-stack-executable): Removed.
5575         * config/i386/cygming.opt (fset-stack-executable): Moved
5576         from mingw.opt.
5577         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
5578
5579 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
5580
5581         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
5582
5583 2017-08-07  Marek Polacek  <polacek@redhat.com>
5584
5585         PR middle-end/81737
5586         * fold-const.c (fold_indirect_ref_1): Check type_domain.
5587
5588 2017-08-07  Martin Liska  <mliska@suse.cz>
5589
5590         * attribs.h (canonicalize_attr_name): New function.
5591         (cmp_attribs): Move from c-format.c and adjusted.
5592         (is_attribute_p): Moved from tree.h.
5593         * tree-inline.c: Add new includes.
5594         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
5595         (private_is_attribute_p): Remove.
5596         (private_lookup_attribute): Likewise.
5597         (private_lookup_attribute_by_prefix): Simplify.
5598         (remove_attribute): Use is_attribute_p.
5599         * tree.h: Remove removed declarations.
5600
5601 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5602
5603         PR middle-end/81698
5604         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
5605         instead of computing it in the function.  Formatting fix.
5606         (expand_case): Don't rely on default_edge being the first edge,
5607         clear it if removing it, pass default_edge to
5608         emit_case_dispatch_table.
5609         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
5610         fix.
5611
5612 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
5613
5614         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
5615         insn in the function, emit NOP after the insn.
5616
5617 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5618
5619         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
5620         and element loops.
5621
5622 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5623
5624         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
5625         loop.
5626
5627 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
5628
5629         PR tree-optimization/57371
5630         * match.pd: New pattern.
5631
5632 2017-08-04  Marek Polacek  <polacek@redhat.com>
5633
5634         PR middle-end/81695
5635         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
5636         perform the computation in offset_int.
5637
5638 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5639
5640         PR tree-optimization/81136
5641         * tree-vectorizer.h: Include tree-hash-traits.h.
5642         (vec_base_alignments): New typedef.
5643         (vec_info): Add a base_alignments field.
5644         (vect_record_base_alignments): Declare.
5645         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
5646         field.
5647         (DR_IS_CONDITIONAL_IN_STMT): New macro.
5648         (create_data_ref): Add an is_conditional_in_stmt argument.
5649         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
5650         the is_conditional_in_stmt field.
5651         (data_ref_loc): Add an is_conditional_in_stmt field.
5652         (get_references_in_stmt): Set the is_conditional_in_stmt field.
5653         (find_data_references_in_stmt): Update call to create_data_ref.
5654         (graphite_find_data_references_in_stmt): Likewise.
5655         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5656         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
5657         (vect_record_base_alignment): New function.
5658         (vect_record_base_alignments): Likewise.
5659         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
5660         for nested statements even if we fail to compute a misalignment.
5661         Use pooled base alignments for unconditional references.
5662         (vect_find_same_alignment_drs): Compare base addresses instead
5663         of base objects.
5664         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
5665         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
5666
5667 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5668
5669         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
5670         Add an explicit name for the enum.  Use auto_vec for slp_instances
5671         and grouped_stores.
5672         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
5673         for all vectors.
5674         (_bb_vec_info): Add a constructor and destructor.
5675         (vinfo_for_stmt): Return NULL for uids of -1 as well.
5676         (destroy_loop_vec_info): Delete.
5677         (vect_destroy_datarefs): Likewise.
5678         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
5679         (vec_info::vec_info): New function.
5680         (vec_info::~vec_info): Likewise.
5681         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
5682         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
5683         destroy_loop_vec_info.
5684         * tree-vect-loop.c (new_loop_vec_info): Replace with...
5685         (_loop_vec_info::_loop_vec_info): ...this.
5686         (destroy_loop_vec_info): Replace with...
5687         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
5688         the stmt_vec_infos.  Leave handling of vec_info information to its
5689         destructor.  Remove explicit vector releases.
5690         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
5691         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
5692         * tree-vect-slp.c (new_bb_vec_info): Replace with...
5693         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
5694         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
5695         (destroy_bb_vec_info): Replace with...
5696         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
5697         information to its destructor.
5698         (vect_slp_analyze_bb_1): Use new and delete instead of
5699         new_bb_vec_info and destroy_bb_vec_info.
5700         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
5701         single delete.
5702
5703 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5704
5705         * tree-data-ref.h (subscript): Add access_fn field.
5706         (data_dependence_relation): Add could_be_independent_p.
5707         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
5708         (same_access_functions): Move to tree-data-ref.c.
5709         * tree-data-ref.c (ref_contains_union_access_p): New function.
5710         (access_fn_component_p): Likewise.
5711         (access_fn_components_comparable_p): Likewise.
5712         (dr_analyze_indices): Add a reference to access_fn_component_p.
5713         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
5714         DR_ACCESS_FN.
5715         (constant_access_functions): Likewise.
5716         (add_other_self_distances): Likewise.
5717         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
5718         (initialize_data_dependence_relation): Use XCNEW and remove
5719         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
5720         of access functions that have the same type.  Allow the
5721         subsequence to end with different bases in some circumstances.
5722         Record the chosen access functions in SUB_ACCESS_FN.
5723         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
5724         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
5725         (subscript_dependence_tester_1): Likewise dra and drb.
5726         (build_classic_dist_vector): Update calls accordingly.
5727         (subscript_dependence_tester): Likewise.
5728         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
5729         DDR_COULD_BE_INDEPENDENT_P.
5730         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
5731         comp_alias_ddrs instead of may_alias_ddrs.
5732         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
5733         New function.
5734         (vect_analyze_data_ref_dependence): Use it if
5735         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
5736         distance vectors if that fails.
5737         (dependence_distance_ge_vf): New function.
5738         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
5739         LOOP_VINFO_MAY_ALIAS_DDRS.
5740
5741 2017-08-04  Richard Biener  <rguenther@suse.de>
5742
5743         PR middle-end/81705
5744         * fold-const.c (fold_binary_loc): Properly restrict
5745         minus_var0 && minus_var1 case when associating undefined overflow
5746         entities.
5747
5748 2017-08-04  Tom de Vries  <tom@codesourcery.com>
5749
5750         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
5751
5752 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5753
5754         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5755         Don't start diagnostic messages with a capital letter.
5756         * config/rs6000/rs6000.c (rs6000_option_override_internal):
5757         Likewise.
5758         (rs6000_invalid_builtin): Likewise.
5759         (rs6000_trampoline_init): Likewise.
5760
5761 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
5762
5763         PR target/81621
5764         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
5765         after setting changeable df flags.
5766
5767 2017-08-03  Richard Biener  <rguenther@suse.de>
5768
5769         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
5770         up if the use is in USE - X.
5771
5772 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
5773
5774         * toplev.c (dumpfile.h): New include.
5775         (internal_error_reentered): New static function.  Use it...
5776         (internal_error_function): ...here to handle reentered internal_error.
5777
5778 2017-08-03  Richard Biener  <rguenther@suse.de>
5779
5780         PR middle-end/81148
5781         * fold-const.c (split_tree): Add minus_var and minus_con
5782         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
5783         here but always use minus_*.
5784         (associate_trees): Assert we never associate with MINUS_EXPR
5785         and NULL first operand.  Do not recurse for PLUS_EXPR operands
5786         when associating as MINUS_EXPR either.
5787         (fold_binary_loc): Track minus_var and minus_con.
5788
5789 2017-08-03  Tom de Vries  <tom@codesourcery.com>
5790
5791         PR lto/81430
5792         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
5793         ACCEL_COMPILER, apply finish_options on
5794         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
5795
5796 2017-08-03  Tom de Vries  <tom@codesourcery.com>
5797
5798         PR target/81662
5799         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
5800         function_entry_patch_area_size > 0.
5801
5802 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
5803
5804         PR driver/81650
5805         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
5806         instead of 10??LU, perform unit multiplication in wide_int,
5807         don't change alloc_object_size_limit if the limit is larger
5808         than SSIZE_MAX.
5809
5810         PR tree-optimization/81655
5811         PR tree-optimization/81588
5812         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
5813         the case when ranges[i].low and high are 1 for unsigned type with
5814         precision 1.
5815
5816         PR middle-end/81052
5817         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
5818         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
5819
5820 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5821
5822         * tree-vrp.h: Add include guard.
5823
5824 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
5825
5826         PR target/81644
5827         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
5828         (ud2): New insn pattern.
5829         * config/i386/i386.c (ix86_expand_epilogue):
5830         For naked functions, generate ud2 instead of trap insn.
5831
5832 2017-08-02  Marek Polacek  <polacek@redhat.com>
5833
5834         PR other/81667
5835         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
5836
5837 2017-08-02  Tom de Vries  <tom@codesourcery.com>
5838             Cesar Philippidis  <cesar@codesourcery.com>
5839
5840         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
5841         Add missing edge probabilities.
5842
5843 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
5844
5845         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
5846         Correct endianness.
5847
5848 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
5849
5850         PR middle-end/79499
5851         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
5852         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
5853         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
5854         prologue_seq sequences - if any.
5855
5856 2017-08-02  Richard Biener  <rguenther@suse.de>
5857
5858         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
5859         via vectors if supported, integer extracts via punning if supported
5860         or otherwise vector extracts.
5861
5862 2017-08-02  Richard Biener  <rguenther@suse.de>
5863
5864         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
5865         into ...
5866         (bitmap_insert_into_set): ... this.
5867
5868 2017-08-02  Richard Biener  <rguenther@suse.de>
5869
5870         PR tree-optimization/81633
5871         Revert
5872         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
5873
5874         PR tree-optimization/71752
5875         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
5876
5877 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
5878
5879         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
5880         (machine_function::call_ms2sysv_pad_out): Remove field.
5881         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
5882         (ix86_compute_frame_layout): Likewise.
5883
5884 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
5885
5886         PR target/81654
5887         * config/i386/i386.c (ix86_set_func_type): Disallow naked
5888         attribute with interrupt attribute.
5889
5890 2017-08-01  Andrew Pinski  <apinski@cavium.com>
5891
5892         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
5893         BIT_INSERT_EXPR's operand 1
5894         to see if the types precision matches.
5895
5896 2017-08-01  Martin Liska  <mliska@suse.cz>
5897
5898         PR middle-end/70140
5899         * builtins.c (expand_builtin_memcpy_args): Remove.
5900         (expand_builtin_memcpy): Call newly added function
5901         expand_builtin_memory_copy_args.
5902         (expand_builtin_memcpy_with_bounds): Likewise.
5903         (expand_builtin_mempcpy): Remove last argument.
5904         (expand_builtin_mempcpy_with_bounds): Likewise.
5905         (expand_builtin_memory_copy_args): New function created from
5906         expand_builtin_mempcpy_args with small modifications.
5907         (expand_builtin_mempcpy_args): Remove.
5908         (expand_builtin_stpcpy): Remove unused argument.
5909         (expand_builtin): Likewise.
5910         (expand_builtin_with_bounds): Likewise.
5911
5912 2017-08-01  Martin Liska  <mliska@suse.cz>
5913
5914         Revert r250771
5915         Make mempcpy more optimal (PR middle-end/70140).
5916
5917 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
5918
5919         PR target/81622
5920         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
5921         __builtin_vec_cmpne verify both arguments are compatible vectors
5922         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
5923         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
5924         move computation of aligned to after checking the argument types.
5925         Formatting fixes.
5926
5927         PR target/80846
5928         * config/rs6000/vsx.md (vextract_fp_from_shorth,
5929         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
5930         calls.
5931
5932 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
5933             Doug Rupp  <rupp@adacore.com>
5934             Olivier Hainque  <hainque@adacore.com>
5935
5936         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
5937         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
5938         arm8 (arch v4).
5939         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
5940         for TARGET_OS_CPP_BUILTIN.
5941         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
5942         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
5943         arm_arch7.
5944         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
5945         passing required abi options to the assembler for EABI configurations.
5946         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
5947         of .text.hot and .text.unlikely sections for kernel modules when
5948         using ARM style exceptions.
5949         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
5950         options. Add EXTRA_CC1_SPEC.
5951         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
5952         toolchain options.
5953         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
5954         transition.
5955         (ARM_TARGET2_DWARF_FORMAT): Define.
5956         * config/arm/t-vxworks: Adjust multilib control to removal of the
5957         Diab command line options.
5958
5959 2017-08-01  Martin Liska  <mliska@suse.cz>
5960
5961         PR gcov-profile/81561
5962         * gcov.c (unblock): Make unblocking safe as we need to preserve
5963         index correspondence of blocks and block_lists.
5964
5965 2017-08-01  Richard Biener  <rguenther@suse.de>
5966
5967         PR tree-optimization/81181
5968         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
5969         (compute_antic): ... end of iteration here.
5970
5971 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
5972
5973         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
5974         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
5975         (ftree-slp-vectorize): Likewise.
5976         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
5977         can no longer be set independent of flag_tree_loop_vectorize.
5978         * omp-general.c (emp_max_vf): Likewise.
5979         * opts.c (enable_fdo_optimizations): Remove references to
5980         flag_tree_vectorize, these are now implicit.
5981         (common_handle_option): Remove handling for OPT_ftree_vectorize,
5982         and leave it for the options machinery.
5983
5984 2017-08-01  Martin Liska  <mliska@suse.cz>
5985
5986         PR middle-end/70140
5987         * builtins.c (expand_builtin_memcpy_args): Remove.
5988         (expand_builtin_memcpy): Call newly added function
5989         expand_builtin_memory_copy_args.
5990         (expand_builtin_memcpy_with_bounds): Likewise.
5991         (expand_builtin_mempcpy): Remove last argument.
5992         (expand_builtin_mempcpy_with_bounds): Likewise.
5993         (expand_builtin_memory_copy_args): New function created from
5994         expand_builtin_mempcpy_args with small modifications.
5995         (expand_builtin_mempcpy_args): Remove.
5996         (expand_builtin_stpcpy): Remove unused argument.
5997         (expand_builtin): Likewise.
5998         (expand_builtin_with_bounds): Likewise.
5999
6000 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6001
6002         PR target/81641
6003         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
6004         print "ds:" only for immediates in generic address space.
6005
6006 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6007
6008         PR target/81639
6009         * config/i386/i386.c (ix86_funciton_naked): New prototype.
6010         (ix86_function_ok_for_sibcall): Return false for naked functions.
6011
6012 2017-08-01  Richard Biener  <rguenther@suse.de>
6013
6014         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
6015         (compute_antic): Seed worklist with exit block predecessors.
6016         * cfganal.c (dfs_find_deadend): For a cycle return the source
6017         of the edge closing it.
6018
6019 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
6020
6021         * config/aarch64/aarch64.c
6022         (aarch64_can_const_movi_rtx_p): Move 0 check.
6023
6024 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6025
6026         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
6027         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
6028         above macro.
6029         * match.pd: Ditto in address comparison pattern.
6030
6031 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6032
6033         PR tree-optimization/81627
6034         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
6035         closed ssa form for store-store chain.
6036
6037 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6038
6039         PR tree-optimization/81620
6040         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
6041         for store-store chain.
6042
6043 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6044
6045         PR tree-optimization/81588
6046         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
6047         ranges[i].in_p, invert comparison code ccode.  For >/>=,
6048         swap rhs1 and rhs2 and comparison code unconditionally,
6049         for </<= don't do that.  Don't swap rhs1/rhs2 again if
6050         ranges[i].in_p, instead invert comparison code ccode if
6051         opcode or oe->rank is BIT_IOR_EXPR.
6052
6053         PR target/80846
6054         * optabs.def (vec_extract_optab, vec_init_optab): Change from
6055         a direct optab to conversion optab.
6056         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
6057         with GET_MODE_INNER as last argument instead of optab_handler.
6058         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
6059         vector extraction if possible and optab is available.
6060         * expr.c (store_constructor): Use convert_optab_handler instead
6061         of optab_handler.  Use vector initialization from smaller
6062         vectors if possible and optab is available.
6063         * tree-vect-stmts.c (vectorizable_load): Likewise.
6064         * doc/md.texi (vec_extract, vec_init): Document that the optabs
6065         now have two modes.
6066         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
6067         of vec_init from half-sized vectors with the same element mode.
6068         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
6069         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
6070         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
6071         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
6072         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
6073         after mode in gen_vec_extract* calls.
6074         (vec_extract<mode>): Renamed to ...
6075         (vec_extract<mode><ssescalarmodelower>): ... this.
6076         (vec_extract<mode><ssehalfvecmodelower>): New expander.
6077         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
6078         element mode after mode in gen_vec_init* calls.
6079         (VEC_INIT_HALF_MODE): New mode iterator.
6080         (vec_init<mode>): Renamed to ...
6081         (vec_init<mode><ssescalarmodelower>): ... this.
6082         (vec_init<mode><ssehalfvecmodelower>): New expander.
6083         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
6084         (vec_extractv2sfsf): ... this.
6085         (vec_initv2sf): Renamed to ...
6086         (vec_initv2sfsf): ... this.
6087         (vec_extractv2si): Renamed to ...
6088         (vec_extractv2sisi): ... this.
6089         (vec_initv2si): Renamed to ...
6090         (vec_initv2sisi): ... this.
6091         (vec_extractv4hi): Renamed to ...
6092         (vec_extractv4hihi): ... this.
6093         (vec_initv4hi): Renamed to ...
6094         (vec_initv4hihi): ... this.
6095         (vec_extractv8qi): Renamed to ...
6096         (vec_extractv8qiqi): ... this.
6097         (vec_initv8qi): Renamed to ...
6098         (vec_initv8qiqi): ... this.
6099         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
6100         (vec_init<mode>): Renamed to ...
6101         (vec_init<mode><VEC_base_l>): ... this.
6102         (vec_extract<mode>): Renamed to ...
6103         (vec_extract<mode><VEC_base_l>): ... this.
6104         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
6105         (vec_initv2sfsf): ... this.
6106         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
6107         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6108         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
6109         element mode after mode in gen_vec_init* calls.
6110         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
6111         (vec_init<mode><Vel>): ... this.
6112         (vec_extract<mode>): Renamed to ...
6113         (vec_extract<mode><Vel>): ... this.
6114         * config/aarch64/iterators.md (Vel): New mode attribute.
6115         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
6116         Add element mode after mode in gen_vec_extract* calls.
6117         * config/s390/vector.md (non_vec_l): New mode attribute.
6118         (vec_extract<mode>): Renamed to ...
6119         (vec_extract<mode><non_vec_l>): ... this.
6120         (vec_init<mode>): Renamed to ...
6121         (vec_init<mode><non_vec_l>): ... this.
6122         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
6123         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
6124         vec_extract mode.
6125         * config/arm/iterators.md (V_elem_l): New mode attribute.
6126         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
6127         (vec_extract<mode><V_elem_l>): ... this.
6128         (vec_extractv2di): Renamed to ...
6129         (vec_extractv2didi): ... this.
6130         (vec_init<mode>): Renamed to ...
6131         (vec_init<mode><V_elem_l>): ... this.
6132         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
6133         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
6134         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
6135         Add element mode after gen_vec_extract* calls.
6136         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
6137         (vec_init<mode><unitmode>): ... this.
6138         (vec_extract<mode>): Renamed to ...
6139         (vec_extract<mode><unitmode>): ... this.
6140         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
6141         (vec_init<mode><unitmode>): ... this.
6142         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
6143         (vec_initv2sfsf): ... this.
6144         (vec_extractv2sf): Renamed to ...
6145         (vec_extractv2sfsf): ... this.
6146         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
6147         Add element mode after gen_vec_extract* calls.
6148         * config/mips/mips.md (unitmode): New mode iterator.
6149         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
6150         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
6151         * config/spu/spu.md (inner_l): New mode attribute.
6152         (vec_init<mode>): Renamed to ...
6153         (vec_init<mode><inner_l>): ... this.
6154         (vec_extract<mode>): Renamed to ...
6155         (vec_extract<mode><inner_l>): ... this.
6156         * config/sparc/sparc.md (veltmode): New mode iterator.
6157         (vec_init<VMALL:mode>): Renamed to ...
6158         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
6159         * config/ia64/vect.md (vec_initv2si): Renamed to ...
6160         (vec_initv2sisi): ... this.
6161         (vec_initv2sf): Renamed to ...
6162         (vec_initv2sfsf): ... this.
6163         (vec_extractv2sf): Renamed to ...
6164         (vec_extractv2sfsf): ... this.
6165         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
6166         (vec_init<mode>): Renamed to ...
6167         (vec_init<mode><VEC_base_l>): ... this.
6168         (vec_extract<mode>): Renamed to ...
6169         (vec_extract<mode><VEC_base_l>): ... this.
6170         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
6171         (vec_initv2sfsf): ... this.
6172         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
6173         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6174         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
6175         gen_vec_init* calls.
6176
6177 2017-08-01  Richard Biener  <rguenther@suse.de>
6178
6179         PR tree-optimization/81297
6180         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
6181         TREE_OVERFLOW from INTEGER_CSTs.
6182
6183 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
6184
6185         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
6186
6187 2017-07-31  Carl Love  <cel@us.ibm.com>
6188
6189         * config/rs6000/rs6000-c: Add support for built-in functions
6190         vector signed char vec_xl_be (signed long long, signed char *);
6191         vector unsigned char vec_xl_be (signed long long, unsigned char *);
6192         vector signed int vec_xl_be (signed long long, signed int *);
6193         vector unsigned int vec_xl_be (signed long long, unsigned int *);
6194         vector signed long long vec_xl_be (signed long long, signed long long *);
6195         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
6196         vector signed short vec_xl_be (signed long long, signed short *);
6197         vector unsigned short vec_xl_be (signed long long, unsigned short *);
6198         vector double vec_xl_be (signed long long, double *);
6199         vector float vec_xl_be (signed long long, float *);
6200         * config/rs6000/altivec.h (vec_xl_be): Add #define.
6201         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
6202         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
6203         for the builtins.
6204         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
6205         (altivec_expand_builtin): Add switch statement to call
6206         altivec_expand_xl_be for each builtin.
6207         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
6208         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
6209         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
6210         __builtin_vsx_le_be_v16qi.
6211         * doc/extend.texi: Update the built-in documentation file for the
6212         new built-in functions.
6213
6214 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6215
6216         PR target/25967
6217         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
6218         New function.
6219         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6220
6221 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6222
6223         * config.gcc: Add z14.
6224         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
6225         CPU model numbers for z13s and z14.
6226         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
6227         arch12 with z14.
6228         * config/s390/s390-opts.h (enum processor_type): Rename
6229         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6230         * config/s390/s390.c (processor_table): Add field for CPU name to
6231         be passed to Binutils.
6232         (s390_asm_output_machine_for_arch): Use the new field in
6233         processor_table for Binutils.
6234         (s390_expand_builtin): Replace arch12 with z14.
6235         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6236         (s390_get_sched_attrmask): Likewise.
6237         (s390_get_unit_mask): Likewise.
6238         * config/s390/s390.opt: Add z14 to processor_type enum.
6239
6240 2017-07-31  Martin Jambor  <mjambor@suse.cz>
6241
6242         PR hsa/81477
6243         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
6244         regardless of optimization level.
6245
6246 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
6247             Martin Liska  <mliska@suse.cz>
6248
6249         * predict.def: Remove old comment and adjust probability.
6250         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
6251         PREDICT statements.
6252
6253 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6254
6255         PR target/25967
6256         * config/i386/i386.c (ix86_function_naked): New function.
6257         (ix86_can_use_return_insn_p): Return false for naked functions.
6258         (ix86_expand_prologue): Skip prologue for naked functions.
6259         (ix86_expand_epilogue): Skip epilogue for naked functions
6260         and emit trap instruction.
6261         (ix86_warn_func_return): New function.
6262         (ix86_attribute_table): Add "naked" attribute specification.
6263         (TARGET_WARN_FUNC_RETURN): Define.
6264         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
6265
6266 2017-07-31  Martin Liska  <mliska@suse.cz>
6267
6268         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
6269         (dump_gimple_bb_header): Always dump BB info.
6270         (pp_cfg_jump): Do not append info about BB when dumping a jump.
6271
6272 2017-07-31  Martin Liska  <mliska@suse.cz>
6273
6274         PR sanitize/81530
6275         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
6276         also with current_function_decl non-null equality.
6277
6278 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
6279
6280         PR sanitizer/81604
6281         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
6282         change type to the element type, instead add eltype variable and
6283         use it where we are interested in the element type.
6284
6285         PR tree-optimization/81603
6286         * ipa-polymorphic-call.c
6287         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
6288         offset arithmetic in offset_int, bail out if the resulting bit offset
6289         doesn't fit into shwi.
6290
6291 2017-07-31  Martin Liska  <mliska@suse.cz>
6292
6293         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
6294         (gimplify_save_expr): Fix comment.
6295
6296 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
6297
6298         PR target/79793
6299         * config/i386/i386.c (ix86_function_arg): Update arguments for
6300         exception handler.
6301         (ix86_compute_frame_layout): Set the initial stack offset to
6302         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
6303         INCOMING_FRAME_SP_OFFSET.
6304         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
6305         stack before exception handler returns.
6306         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
6307         the 'ERROR_CODE' for exception handler.
6308
6309 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
6310
6311         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
6312         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
6313         (ASM_OUTPUT_REG_POP): Ditto.
6314         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
6315         instead of asm_fprintf to output pure string.
6316
6317 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
6318
6319         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
6320         to imported_module_or_decl hook.
6321         (debug_nothing_tree_tree_tree_bool): Remove.
6322         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
6323         * debug.c (do_nothing_debug_hooks): Use
6324         debug_nothing_tree_tree_tree_bool_bool instead of
6325         debug_nothing_tree_tree_tree_bool.
6326         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6327         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
6328         * sdbout.c (sdb_debug_hooks): Likewise.
6329         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
6330         (gen_namespace_die): Add DW_AT_export_symbols attribute if
6331         langhook wants it.
6332         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
6333         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
6334         attribute, don't add anything.
6335
6336 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6337
6338         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
6339         (fold_build2_stat_loc): Likewise.
6340         (fold_build3_stat_loc): Likewise.
6341         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
6342         (fold_build1_loc): Remove macro.
6343         (fold_build2_loc): Likewise.
6344         (fold_build3_loc): Likewise.
6345
6346 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6347
6348         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
6349         (gimple_build_debug_bind_source_stat): Likewise.
6350         * gimple.h (gimple_build_debug_bind): Remove macro.
6351         (gimple_build_debug_bind_source): Likewise.
6352
6353 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6354
6355         * bitmap.c (bitmap_alloc): Adjust.
6356         (bitmap_gc_alloc): Likewise.
6357         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
6358
6359 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6360
6361         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
6362         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
6363         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
6364         (bitmap_gc_alloc_stat): Likewise.
6365         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
6366
6367 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6368
6369         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
6370         * rtl.h (shallow_copy_rtx): Remove macro.
6371
6372 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6373
6374         * emit-rtl.c (gen_raw_REG): Adjust.
6375         * gengenrtl.c (gendef): Likewise.
6376         * rtl.c (rtx_alloc_stat): Remove _stat from name.
6377         * rtl.h (rtx_alloc): Remove macro.
6378
6379 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6380
6381         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
6382         (build_tree_list_stat): Likewise.
6383         * tree.h (build_tree_list): Remove macro.
6384         (build_tree_list_vec): Likewise.
6385
6386 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6387
6388         * tree.c (make_vector_stat): Remove _stat from name.
6389         (build_vector_stat): Likewise.
6390         * tree.h (make_vector_stat): Remove macro.
6391         (build_vector_stat): Likewise.
6392
6393 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6394
6395         * tree.h (build_var_debug_value): Remove prototype.
6396
6397 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6398
6399         * tree.c (tree_cons_stat): Remove _stat from name.
6400         * tree.h (tree_cons): Remove macro.
6401
6402 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6403
6404         * tree.c (build_vl_exp_stat): Remove _stat from name.
6405         * tree.h (build_vl_exp): Remove macro.
6406
6407 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6408
6409         * tree.c (build_decl_stat): Remove _stat from name.
6410         * tree.h (build_decl): Remove macro.
6411
6412 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6413
6414         * gimple.c (gimple_build_with_ops_stat): Adjust.
6415         (gimple_alloc_stat): Remove _stat from name.
6416         * gimple.h (gimple_alloc): Remove macro.
6417
6418 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6419
6420         * tree.c (make_tree_vec_stat): Remove _stat from name.
6421         (grow_tree_vec_stat): Likewise.
6422         * tree.h (make_tree_vec_stat): Adjust prototype.
6423         (grow_tree_vec_stat): Likewise.
6424         (make_tree_vec): Remove macro.
6425         (grow_tree_vec): Likewise.
6426
6427 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6428
6429         * fold-const.c (fold_build1_stat_loc): Adjust.
6430         (fold_build2_stat_loc): Likewise.
6431         (fold_build3_stat_loc): Likewise.
6432         * tree.c (build0_stat): Remove _stat from name.
6433         (build1_stat): Likewise.
6434         (build2_stat): Likewise.
6435         (build3_stat): Likewise.
6436         (build4_stat): Likewise.
6437         (build5_stat): Likewise.
6438         * tree.h (build1_loc): Remove macro, and rename _stat function
6439         to this.
6440         (build2_loc): Likewise.
6441         (build3_loc): Likewise.
6442         (build4_loc): Likewise.
6443         (build5_loc): Likewise.
6444
6445 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6446
6447         * tree.c (make_int_cst_stat): Remove _stat from name.
6448         * tree.h (make_int_cst_stat): Adjust prototype.
6449         (make_int_cst): Remove macro.
6450
6451 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6452
6453         * tree.c (make_tre_binfo_stat): Remove _stat from name.
6454         * tree.h (make_tree_binfo_stat): Adjust prototype.
6455         (make_tree_binfo): Remove.
6456
6457 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6458
6459         * tree.c (copy_node_stat): Rename to copy_node.
6460         (build_distinct_type_copy): Adjust.
6461         * tree.h (copy_node_stat): Adjust prototype.
6462         (copy_node): Remove macro.
6463
6464 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6465
6466         * tree.c (make_node_stat): rename to make_node.
6467         (build_tree_list_stat): Adjust.
6468         (build0_stat): Likewise.
6469         (build2_stat): Likewise.
6470         (build3_stat): Likewise.
6471         (build4_stat): Likewise.
6472         (build5_stat): Likewise.
6473         (build_decl_stat): Likewise.
6474         * tree.h (make_node_stat): Adjust prototype.
6475         (make_node): remove macro.
6476
6477 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
6478
6479         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
6480         (PPC_FEATURE2_SCV): Likewise.
6481         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
6482
6483 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6484
6485         * config/aarch64/aarch64.c
6486         (aarch64_internal_mov_immediate): Add new special pattern.
6487         * config/aarch64/aarch64.md (*movdi_aarch64):
6488         Add reg/32bit const mov case.
6489
6490 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6491             Richard Sandiford <richard.sandiford@linaro.org>
6492
6493         * config/aarch64/aarch64.md (mov<mode>): Generalize.
6494         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
6495         Add integer and movi cases.
6496         (movi-split-hf-df-sf split, fp16): New.
6497         (enabled): Added TARGET_FP_F16INST.
6498         * config/aarch64/iterators.md (GPF_HF): New.
6499         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
6500
6501 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
6502
6503         * config/aarch64/aarch64.c
6504         (aarch64_simd_container_mode): Add prototype.
6505         (aarch64_expand_mov_immediate): Add HI support.
6506         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
6507         (aarch64_can_const_movi_rtx_p): New.
6508         (aarch64_preferred_reload_class):
6509         Remove restrictions of using FP registers for certain SIMD operations.
6510         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
6511         (aarch64_valid_floating_const): Add integer move validation.
6512         (aarch64_simd_imm_scalar_p): Remove.
6513         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
6514         (aarch64_legitimate_constant_p): Expand list of supported cases.
6515         * config/aarch64/aarch64-protos.h
6516         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
6517         (aarch64_reinterpret_float_as_int): New.
6518         (aarch64_simd_imm_scalar_p): Remove.
6519         * config/aarch64/constraints.md (Uvi): New.
6520         (Dd): Split into Ds and new Dd.
6521         * config/aarch64/aarch64.md (*movsi_aarch64):
6522         Add SIMD mov case.
6523         (*movdi_aarch64): Add SIMD mov case.
6524
6525 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6526
6527         * tree-predcom.c: (struct chain): Handle store-store chain in which
6528         stores for elimination only store loop invariant values.
6529         (execute_pred_commoning_chain): Ditto.
6530         (prepare_initializers_chain_store_elim): Ditto.
6531         (prepare_finalizers): Ditto.
6532         (is_inv_store_elimination_chain): New function.
6533         (initialize_root_vars_store_elim_1): New function.
6534
6535 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6536
6537         * tree-predcom.c: Revise general description of the pass.
6538         (enum chain_type): New enum type for store elimination.
6539         (struct chain): New field supporting store elimination.
6540         (struct component): Ditto.
6541         (dump_chain): Dump store-stores chain.
6542         (release_chain): Release resources.
6543         (split_data_refs_to_components): Compute and create component
6544         contains only stores for elimination.
6545         (get_chain_last_ref_at): New function.
6546         (make_invariant_chain): Initialization.
6547         (make_rooted_chain): Specify chain type in parameter and record it.
6548         (add_looparound_copies): Skip for store-stores chain.
6549         (determine_roots_comp): Compute type of chain and pass it to
6550         make_rooted_chain.
6551         (initialize_root_vars_store_elim_2): New function.
6552         (finalize_eliminated_stores): New function.
6553         (remove_stmt): Handle store for elimination.
6554         (execute_pred_commoning_chain): Execute predictive commoning on
6555         store-store chains.
6556         (determine_unroll_factor): Skip unroll for store-stores chain.
6557         (prepare_initializers_chain_store_elim): New function.
6558         (prepare_initializers_chain): Hanlde store-store chain.
6559         (prepare_finalizers_chain, prepare_finalizers): New function.
6560         (tree_predictive_commoning_loop): Return integer value indicating
6561         if loop is unrolled or lcssa form is corrupted.
6562         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
6563
6564 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6565
6566         * tree-predcom.c (initialize_root): Delete.
6567         (execute_pred_commoning_chain): Initialize root vars and replace
6568         reference of non-combined chain directly, rather than call above
6569         function.
6570
6571 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6572
6573         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
6574         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
6575
6576 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6577
6578         * tree-predcom.c (struct chain): New field init_seq.
6579         (release_chain): Release init_seq.
6580         (prepare_initializers_chain): Record intialization stmts in above
6581         field.
6582         (insert_init_seqs): New function.
6583         (tree_predictive_commoning_loop): Call insert_init_seqs.
6584
6585 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6586
6587         * tree-predcom.c (determine_roots_comp): Skip trivial components.
6588
6589 2017-07-28  Richard Biener  <rguenther@suse.de>
6590
6591         * match.pd: Remove superfluous :c.
6592         * genmatch.c (simplify::id): Add member.
6593         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
6594         Copy id.
6595         (current_id): New global.
6596         (dt_node::parent): Move from ...
6597         (dt_operand::parent): ... here.  Add for_id member.
6598         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
6599         (decision_tree::find_node): Relax order requirement when
6600         merging DT_TRUE nodes to ones inbetween the current simplify
6601         and the one we try to merge with.  Add diagnostic whenever
6602         we need to enforce pattern order by not merging.
6603         (decision_tree::insert): Set current_id.
6604         (decision_tree::print_node): Dump parent node and for_id.
6605         (parser::last_id): Add member.
6606         (parser::push_simplify): Assign unique id.
6607         (parser::parser): Initialize last_id.
6608
6609 2017-07-28  Martin Liska  <mliska@suse.cz>
6610
6611         PR sanitizer/81340
6612         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
6613         gimple_build_debug_bind.
6614
6615 2017-07-28  Richard Biener  <rguenther@suse.de>
6616
6617         PR tree-optimization/81502
6618         * match.pd: Add pattern combining BIT_INSERT_EXPR with
6619         BIT_FIELD_REF.
6620         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
6621         size/pos operands.
6622         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
6623         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
6624         for BIT_FIELD_REF args.
6625         * fold-const.c (make_bit_field_ref): Likewise.
6626         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
6627
6628 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6629
6630         PR sanitizer/80998
6631         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
6632         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
6633         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
6634         Or it into SANITIZER_UNDEFINED.
6635         * ubsan.c: Include gimple-fold.h and varasm.h.
6636         (ubsan_expand_ptr_ifn): New function.
6637         (instrument_pointer_overflow): New function.
6638         (maybe_instrument_pointer_overflow): New function.
6639         (instrument_object_size): Formatting fix.
6640         (pass_ubsan::execute): Call instrument_pointer_overflow
6641         and maybe_instrument_pointer_overflow.
6642         * internal-fn.c (expand_UBSAN_PTR): New function.
6643         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
6644         * sanitizer.def (__ubsan_handle_pointer_overflow,
6645         __ubsan_handle_pointer_overflow_abort): New builtins.
6646         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
6647         * internal-fn.def (UBSAN_PTR): New internal function.
6648         * opts.c (sanitizer_opts): Add pointer-overflow.
6649         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
6650         * fold-const.c (build_range_check): Compute pointer range check in
6651         integral type if pointer arithmetics would be needed.  Formatting
6652         fixes.
6653
6654 2017-07-28  Martin Liska  <mliska@suse.cz>
6655
6656         PR sanitizer/81460
6657         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
6658         parameters that are of a variable-length.
6659
6660 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6661
6662         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
6663         rs6000/biarch64.h.
6664         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
6665         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6666         (CRT_CALL_STATIC_FUNCTION): Likewise.
6667         (ASM_DEFAULT_SPEC): New define.
6668         (ASM_SPEC32): Likewise.
6669         (ASM_SPEC64): Likewise.
6670         (ASM_SPEC_COMMON): Likewise.
6671         (ASM_SPEC): Likewise.
6672         (INVALID_64BIT): Likewise.
6673         (LINK_OS_DEFAULT_SPEC): Likewise.
6674         (LINK_OS_SPEC32): Likewise.
6675         (LINK_OS_SPEC64): Likewise.
6676         (POWERPC_LINUX): Likewise.
6677         (PTRDIFF_TYPE): Likewise.
6678         (RESTORE_FP_PREFIX): Likewise.
6679         (RESTORE_FP_SUFFIX): Likewise.
6680         (SAVE_FP_PREFIX): Likewise.
6681         (SAVE_FP_SUFFIX): Likewise.
6682         (SIZE_TYPE): Likewise.
6683         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
6684         (TARGET_64BIT): Likewise.
6685         (TARGET_64BIT): Likewise.
6686         (TARGET_AIX): Likewise.
6687         (WCHAR_TYPE_SIZE): Likewise.
6688         (WCHAR_TYPE): Undefine.
6689         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
6690         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
6691         (CPP_OS_RTEMS_SPEC): Delete.
6692         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
6693         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
6694         link_os_spec64.
6695         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
6696
6697 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6698
6699         PR tree-optimization/81578
6700         * tree-parloops.c (build_new_reduction): Bail out if
6701         reduction_code isn't one of the standard OpenMP reductions.
6702         Move the details printing after that decision.
6703
6704 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6705
6706         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
6707         related to reload_in_progress.
6708         (splat_input_operand): Likewise.
6709         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6710         Delete prototype.
6711         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
6712         field.
6713         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
6714         (TARGET_INSTANTIATE_DECLS): Likewise.
6715         (legitimate_indexed_address_p): Delete reload_in_progress code.
6716         (rs6000_debug_legitimate_address_p): Likewise.
6717         (rs6000_eliminate_indexed_memrefs): Likewise.
6718         (rs6000_emit_le_vsx_store): Likewise.
6719         (rs6000_emit_move_si_sf_subreg): Likewise.
6720         (rs6000_emit_move): Likewise.
6721         (register_to_reg_type): Likewise.
6722         (rs6000_pre_atomic_barrier): Likewise.
6723         (rs6000_machopic_legitimize_pic_address): Likewise.
6724         (rs6000_allocate_stack_temp): Likewise.
6725         (rs6000_address_for_fpconvert): Likewise.
6726         (rs6000_address_for_altivec): Likewise.
6727         (rs6000_secondary_memory_needed_rtx): Delete function.
6728         (rs6000_check_sdmode): Likewise.
6729         (rs6000_alloc_sdmode_stack_slot): Likewise.
6730         (rs6000_instantiate_decls): Likewise.
6731         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6732         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
6733         Delete reload_in_progress.
6734         (*vec_reload_and_plus_<mptrsize>): Likewise.
6735         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
6736         (vsx_div_v2di): Likewise.
6737         (vsx_udiv_v2di): Likewise.
6738
6739 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6740
6741         * config/rs6000/rs6000.opt (mlra): Replace with stub.
6742         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
6743         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
6744         (rs6000_debug_reg_global): Delete print of LRA status.
6745         (rs6000_option_override_internal): Delete dead LRA related code.
6746         (rs6000_lra_p): Delete function.
6747         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
6748
6749 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6750
6751         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
6752         * config/riscv/rtems.h: New file.
6753
6754 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6755             Sudakshina Das  <sudi.das@arm.com>
6756
6757         * config/aarch64/aarch64.md
6758         (define_split for and<mode>3nr_compare): Move
6759         non aarch64_logical_operand to a register.
6760         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
6761         register immediate operand to a register.
6762         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
6763
6764 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6765
6766         PR middle-end/81564
6767         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
6768
6769 2017-07-27  Richard Biener  <rguenther@suse.de>
6770
6771         PR tree-optimization/81573
6772         PR tree-optimization/81494
6773         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
6774         multi defuse cycle case.
6775
6776 2017-07-27  Richard Biener  <rguenther@suse.de>
6777
6778         PR tree-optimization/81571
6779         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
6780         PHIs.
6781
6782 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
6783
6784         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
6785         earlier and only if MASK_FPU is set.  Adjust formatting.
6786
6787 2017-07-27  Martin Liska  <mliska@suse.cz>
6788
6789         * opt-functions.awk: Add validation of value of Init.
6790         * optc-gen.awk: Pass new argument.
6791
6792 2017-07-27  Martin Liska  <mliska@suse.cz>
6793
6794         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
6795         Fix wrong condition.
6796
6797 2017-07-27  Martin Liska  <mliska@suse.cz>
6798
6799         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
6800         BBs and edges seen by autoFDO.
6801
6802 2017-07-27  Richard Biener  <rguenther@suse.de>
6803
6804         PR tree-optimization/81502
6805         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
6806         with incompatible but same sized type.
6807         (execute_update_addresses_taken): Likewise.
6808
6809 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
6810
6811         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
6812         flag_tree_loop_vectorize rather than flag_tree_vectorize.
6813
6814 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6815
6816         PR target/81534
6817         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
6818         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
6819         Change s_operand to memory_operand.
6820
6821 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
6822
6823         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
6824         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
6825         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
6826         Emit instructions rather than returning an expression.  Handle TFmode
6827         and KFmode by casting to TImode.
6828         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
6829         (rs6000_emit_le_vsx_store): Likewise.
6830         * config/rs6000/vsx.md (VSX_TI): New iterator.
6831         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
6832         (*vsx_le_undo_permute_<mode>): Likewise.
6833         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
6834         emit the split sequence.
6835         (*vsx_le_perm_store_<mode>): Likewise.
6836
6837 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
6838
6839         PR tree-optimization/81555
6840         PR tree-optimization/81556
6841         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
6842         if true, force CHANGED for the recursive invocation.
6843         (reassociate_bb): Remember original length of ops array, pass
6844         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
6845
6846         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
6847         attributes for noipa attribute.  For naked attribute use
6848         lookup_attribute first before lookup_attribute_spec.
6849         * final.c (rest_of_handle_final): Disable IPA RA for functions with
6850         noipa attribute.
6851         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
6852         for functions with noipa attribute.
6853         (cgraph_externally_visible_p): Return true for functions with noipa
6854         attribute.
6855         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
6856         for functions with noipa attribute.
6857         * doc/extend.texi: Document noipa function attribute.
6858         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
6859         also for functions with noipa attribute.
6860         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
6861
6862 2017-07-26  Andrew Pinski  <apinski@cavium.com>
6863
6864         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
6865         vec_unalign_load_cost and vec_unalign_store_cost.
6866
6867 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
6868
6869         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
6870         -mvsx-small-integer option.
6871         (ISA_3_0_MASKS_IEEE): Likewise.
6872         (OTHER_VSX_VECTOR_MASKS): Likewise.
6873         (POWERPC_MASKS): Likewise.
6874         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
6875         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
6876         code, only testing for DImode being allowed in non-VSX floating
6877         point registers.
6878         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
6879         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
6880         another VSX test.
6881         (rs6000_option_override_internal): Delete -mvsx-small-integer.
6882         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
6883         TARGET_P8_VECTOR test.
6884         (rs6000_secondary_reload_simple_move): Likewise.
6885         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
6886         since TARGET_P9_VECTOR was already tested.
6887         (rs6000_opt_masks): Remove -mvsx-small-integer.
6888         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
6889         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6890         used.
6891         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
6892         test for TARGET_VEXTRACTUB was used, and that uses
6893         TARGET_P9_VECTOR.
6894         (p9 extract splitter): Likewise.
6895         (vsx_extract_<mode>_di_p9): Likewise.
6896         (vsx_extract_<mode>_store_p9): Likewise.
6897         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
6898         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
6899         the elimination of TARGET_VSX_SMALL_INTEGER.
6900         (vsx_extract_<mode>_p8): Likewise.
6901         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
6902         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
6903         (vsx_set_<mode>_p9): Likewise.
6904         (vsx_set_v4sf_p9): Likewise.
6905         (vsx_set_v4sf_p9_zero): Likewise.
6906         (vsx_insert_extract_v4sf_p9): Likewise.
6907         (vsx_insert_extract_v4sf_p9_2): Likewise.
6908         * config/rs6000/rs6000.md (sign extend splitter): Change
6909         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
6910         (floatsi<mode>2_lfiwax_mem): Likewise.
6911         (floatunssi<mode>2_lfiwzx_mem): Likewise.
6912         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
6913         since a test for TARGET_P9_VECTOR was used.
6914         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6915         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
6916         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6917         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
6918         TARGET_P8_VECTOR test.
6919         (fix_trunc<mode>si2_stfiwx): Likewise.
6920         (fix_trunc<mode>si2_internal): Likewise.
6921         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
6922         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6923         used.
6924         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6925         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
6926         TARGET_P8_VECTOR test.
6927         (fixuns_trunc<mode>si2_stfiwx): Likewise.
6928         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
6929         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6930         used.
6931         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6932         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
6933         since a test for TARGET_P9_VECTOR was used.
6934         (splitter for loading small constants): Likewise.
6935
6936 2017-07-26  Andrew Pinski  <apinski@cavium.com>
6937
6938         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
6939         vec_fp_stmt_cost.
6940
6941 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
6942
6943         PR target/81563
6944         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
6945         (fp_valid_at): Likewise.
6946
6947 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
6948
6949         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
6950         (qdf24xx_addrcost_table): Likewise.
6951         (cortexa57_tunings): Update to use generic_branch_cost.
6952         (cortexa72_tunings): Likewise.
6953         (cortexa73_tunings): Likewise.
6954         (qdf24xx_tunings): Likewise.
6955
6956 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
6957
6958         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
6959         (thunderx2t99_branch_cost): Likewise.
6960         (cortexa35_tunings): Update to use generic_branch_cost.
6961         (cortexa53_tunings): Likewise.
6962         (cortexa57_tunings): Likewise.
6963         (cortexa72_tunings): Likewise.
6964         (cortexa73_tunings): Likewise.
6965         (thunderx2t99_tunings): Likewise.
6966
6967 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6968
6969         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
6970         (sparc_option_override): Honour MASK_FSMULD.
6971         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
6972         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
6973         * config/sparc/sparc.opt (mfsmuld): New option.
6974         * doc/invoke.texi (mfsmuld): Document option.
6975
6976 2017-07-26  Marek Polacek  <polacek@redhat.com>
6977
6978         PR middle-end/70992
6979         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
6980
6981 2017-07-26  Richard Biener  <rguenther@suse.de>
6982
6983         * gimple-match-head.c (do_valueize): Return OP if valueize
6984         returns NULL_TREE.
6985         (get_def): New helper to get at the def stmt of a SSA name
6986         if valueize allows.
6987         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
6988         do_valueize to get at the def stmt.
6989         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
6990
6991 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
6992
6993         PR middle-end/46932
6994         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
6995
6996 2017-07-26  Martin Liska  <mliska@suse.cz>
6997
6998         PR sanitize/81186
6999         * function.c (expand_function_start): Make expansion of
7000         nonlocal_goto_save_area after parm_birth_insn.
7001
7002 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7003
7004         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
7005         from all CPU target flags enable members.
7006
7007 2017-07-26  Richard Biener  <rguenther@suse.de>
7008
7009         * genmatch.c (dt_simplify::gen): Make iterator vars const.
7010         (decision_tree::gen): Make 'type' const.
7011         (write_predicate): Likewise.
7012
7013 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7014
7015         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
7016         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
7017         (rs6000_option_override_internal): Likewise.
7018         (rs6000_expand_vector_set): Likewise.
7019         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
7020         (TARGET_UPPER_REGS_SF): Likewise.
7021         (TARGET_UPPER_REGS_DI): Likewise.
7022         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
7023         (TARGET_DIRECT_MOVE_64BIT): Likewise.
7024         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
7025         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7026         (Splitters for DI constants in Altivec registers): Likewise.
7027         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
7028         (vsx_set_v4sf_p9): Likewise.
7029         (vsx_set_v4sf_p9_zero): Likewise.
7030         (vsx_insert_extract_v4sf_p9): Likewise.
7031         (vsx_insert_extract_v4sf_p9_2): Likewise.
7032
7033 2017-07-25  Carl Love  <cel@us.ibm.com>
7034
7035         * doc/extend.texi: Update the built-in documentation file for the
7036         existing built-in functions
7037         vector signed char vec_cnttz (vector signed char);
7038         vector unsigned char vec_cnttz (vector unsigned char);
7039         vector signed short vec_cnttz (vector signed short);
7040         vector unsigned short vec_cnttz (vector unsigned short);
7041         vector signed int vec_cnttz (vector signed int);
7042         vector unsigned int vec_cnttz (vector unsigned int);
7043         vector signed long long vec_cnttz (vector signed long long);
7044         vector unsigned long long vec_cnttz (vector unsigned long long);
7045
7046 2017-07-25  Andrew Pinski  <apinski@cavium.com>
7047
7048         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
7049         accesses where the use is for the first operand of a BIT_INSERT.
7050
7051 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7052
7053         PR bootstrap/81521
7054         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7055         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7056
7057 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7058
7059         * config/i386/gstabs.h: Delete.
7060         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
7061
7062 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
7063
7064         * config/i386/i386.c (ix86_decompose_address): Do not check for
7065         register RTX when looking at index_reg or base_reg.
7066         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
7067
7068 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7069
7070         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
7071         to update EH info here.
7072
7073 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7074
7075         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
7076
7077 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7078
7079         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
7080
7081 2017-07-25  Torsten Duwe  <duwe@suse.de>
7082
7083         * common.opt: Introduce -fpatchable-function-entry
7084         command line option, and its variables function_entry_patch_area_size
7085         and function_entry_patch_area_start.
7086         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
7087         including a two-value parser.
7088         * target.def (print_patchable_function_entry): New target hook.
7089         * targhooks.h (default_print_patchable_function_entry): New function.
7090         * targhooks.c (default_print_patchable_function_entry): Likewise.
7091         * toplev.c (process_options): Switch off IPA-RA if
7092         patchable function entries are being generated.
7093         * varasm.c (assemble_start_function): Look at the
7094         patchable-function-entry command line switch and current
7095         function attributes and maybe generate NOP instructions by
7096         calling the print_patchable_function_entry hook.
7097         * doc/extend.texi: Document patchable_function_entry attribute.
7098         * doc/invoke.texi: Document -fpatchable_function_entry
7099         command line option.
7100         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
7101         New target hook.
7102         * doc/tm.texi: Re-generate.
7103
7104 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
7105
7106         PR target/81532
7107         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
7108         TARGET_AVX512DQ rather than TARGET_AVX512BW.
7109
7110 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
7111
7112         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
7113
7114 2017-07-25  Richard Biener  <rguenther@suse.de>
7115
7116         PR tree-optimization/81455
7117         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
7118         not walk in cycles when looking for guards.
7119
7120 2017-07-25  Richard Biener  <rguenther@suse.de>
7121
7122         PR tree-optimization/81529
7123         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
7124         when optimizing backedge uses.
7125
7126 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
7127
7128         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
7129         character for AIX.
7130         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
7131         to dl_section_ref.  On AIX, append an expression to subtract
7132         the size of the section length to dl_section_ref.
7133
7134 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
7135
7136         * configure.ac: If any of the config.* scripts fail, exit 1.
7137         * configure: Regenerate.
7138
7139 2017-07-25  Richard Biener  <rguenther@suse.de>
7140
7141         PR middle-end/81546
7142         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
7143         of immediate uses, be more verbose on errors.
7144
7145 2017-07-25  Richard Biener  <rguenther@suse.de>
7146
7147         PR tree-optimization/81510
7148         * tree-vect-loop.c (vect_is_simple_reduction): When the
7149         reduction stmt is not inside the loop bail out.
7150
7151 2017-07-25  Richard Biener  <rguenther@suse.de>
7152
7153         PR tree-optimization/81303
7154         * tree-vect-loop-manip.c (vect_loop_versioning): Build
7155         profitability check against LOOP_VINFO_NITERSM1.
7156
7157 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7158
7159         * domwalk.c (cmp_bb_postorder): Simplify.
7160         (sort_bbs_postorder): New function.  Use it...
7161         (dom_walker::walk): ...here to optimize common cases.
7162
7163 2017-07-25  Martin Liska  <mliska@suse.cz>
7164
7165         PR ipa/81520
7166         * ipa-visibility.c (function_and_variable_visibility): Make the
7167         redirection just on target that supports aliasing.
7168         Fix GNU coding style.
7169
7170 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7171
7172         PR libgcc/61152
7173         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
7174         Format changes.
7175         * config/arm/rtems.h: Likewise.
7176         * config/bfin/rtems.h: Likewise.
7177         * config/i386/rtemself.h: Likewise.
7178         * config/lm32/rtems.h: Likewise.
7179         * config/m32c/rtems.h: Likewise.
7180         * config/m68k/rtemself.h: Likewise.
7181         * config/microblaze/rtems.h: Likewise.
7182         * config/mips/rtems.h: Likewise.
7183         * config/moxie/rtems.h: Likewise.
7184         * config/nios2/rtems.h: Likewise.
7185         * config/powerpcspe/rtems.h: Likewise.
7186         * config/rs6000/rtems.h: Likewise.
7187         * config/rtems.h: Likewise.
7188         * config/sh/rtems.h: Likewise.
7189         * config/sh/rtemself.h: Likewise.
7190         * config/sparc/rtemself.h: Likewise.
7191
7192 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7193
7194         PR 81487
7195         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
7196         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
7197         * tree-ssa-structalias.c (alias_get_name): Same.
7198
7199 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
7200
7201         PR target/81414
7202         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
7203         instructions if no du chain is found.
7204
7205 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7206
7207         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
7208
7209 2017-07-25  Richard Biener  <rguenther@suse.de>
7210
7211         PR middle-end/81505
7212         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
7213         sticky.
7214
7215 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7216
7217         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
7218         upper-regs options.
7219         (ISA_2_7_MASKS_SERVER): Likewise.
7220         (ISA_3_0_MASKS_IEEE): Likewise.
7221         (OTHER_P8_VECTOR_MASKS): Likewise.
7222         (OTHER_VSX_VECTOR_MASKS): Likewise.
7223         (POWERPC_MASKS): Likewise.
7224         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
7225         duplicate list of options.
7226         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
7227         explicit -mupper-regs options.
7228         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
7229         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
7230         alias for -mupper-regs-df.
7231         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
7232         (rs6000_init_hard_regno_mode_ok): Likewise.
7233         (rs6000_option_override_internal): Likewise.
7234         (rs6000_opt_masks): Likewise.
7235         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
7236         options in terms of whether -mvsx or -mpower8-vector was used.
7237         (TARGET_UPPER_REGS_DI): Likewise.
7238         (TARGET_UPPER_REGS_SF): Likewise.
7239         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
7240         -mupper-regs-* options.
7241
7242 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7243
7244         * passes.c (emergency_dump_function): Print some empty lines and a
7245         header before the RTL dump.
7246
7247 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7248
7249         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
7250
7251 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
7252
7253         PR target/79041
7254         * config/aarch64/aarch64.c (aarch64_classify_symbol):
7255         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
7256
7257 2017-07-24  Carl Love  <cel@us.ibm.com>
7258
7259         * config/rs6000/rs6000-c.c: Add support for built-in functions
7260         vector float vec_extract_fp32_from_shorth (vector unsigned short);
7261         vector float vec_extract_fp32_from_shortl (vector unsigned short);
7262         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
7263         vec_extract_fp_from_shortl): Add defines for the two builtins.
7264         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
7265         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
7266         new builtins.
7267         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
7268         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
7269         * doc/extend.texi: Update the built-in documentation file for the
7270         new built-in function.
7271
7272 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
7273
7274         PR bootstrap/81521
7275         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
7276         documentation.
7277         * doc/generic.texi: Likewise.
7278         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7279         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7280
7281 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
7282
7283         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
7284         (aarch64_mls_elt_merge<mode>): Likewise.
7285
7286 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
7287
7288         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7289         having __cxa_atexit.
7290
7291 2017-07-23  Michael Collison  <michael.collison@arm.com>
7292
7293         * config/arm/arm.c (arm_option_override): Deprecate
7294         use of -mstructure-size-boundary.
7295         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
7296         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
7297
7298 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7299
7300         PR target/80695
7301         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
7302         Reduce cost estimate for direct moves.
7303
7304 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
7305
7306         PR target/80569
7307         * config/i386/i386.c (ix86_option_override_internal): Disable
7308         BMI, BMI2 and TBM instructions for -m16.
7309
7310 2017-07-21  Carl Love  <cel@us.ibm.com>
7311
7312         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7313         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7314         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7315         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7316         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7317         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7318         VMULOSW): New enum "unspec" values.
7319         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7320         altivec_vmulosw): New patterns.
7321         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7322         VMULOSW): Add definitions.
7323
7324 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
7325
7326         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
7327         (qdf24xx): Likewise.
7328         * config/aarch64/aarch64-options-extensions.def (rdma); New.
7329         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
7330         (AARCH64_FL_V8_1): Renumber.
7331         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
7332         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
7333         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
7334         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
7335         rdma to feature modifiers list.
7336
7337 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
7338
7339         PR middle-end/56727
7340         * ipa-visibility (function_and_variable_visibility): Convert
7341         recursive PLT call to direct call if appropriate.
7342
7343 2017-07-21  Andrew Pinski  <apinski@cavium.com>
7344
7345         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
7346         operand 1 to see if the types precision matches.
7347         * fold-const.c (operand_equal_p): Likewise.
7348
7349 2017-07-21  Richard Biener  <rguenther@suse.de>
7350
7351         PR tree-optimization/81303
7352         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
7353         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
7354         (vect_peeling_hash_get_lowest_cost): Adjust.
7355         (vect_enhance_data_refs_alignment): Likewise.  Use
7356         vect_get_peeling_costs_all_drs to compute the penalty for no
7357         peeling to match up costs.
7358
7359 2017-07-21  Richard Biener  <rguenther@suse.de>
7360
7361         PR tree-optimization/81500
7362         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
7363         we didn't identify a reduction path.
7364
7365 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7366             Cesar Philippidis  <cesar@codesourcery.com>
7367
7368         PR gcov-profile/81442
7369         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
7370         probabilities.
7371
7372 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7373
7374         PR lto/81430
7375         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
7376         function.
7377         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
7378         nvptx_override_options_after_change.
7379
7380 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
7381
7382         * dwarf2out.c (output_file_names): Avoid double testing for
7383         dwarf_version >= 5.
7384
7385 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
7386
7387         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
7388
7389 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7390
7391         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
7392         hot/cold regions.
7393         (try_crossjump_to_edge): Do not punt on partitioned functions.
7394
7395 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7396
7397         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7398         Put all BBs reachable only via paths crossing cold region to cold
7399         region.
7400         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
7401
7402 2016-07-21  Richard Biener  <rguenther@suse.de>
7403
7404         PR tree-optimization/81303
7405         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
7406         into account prologue and epilogue iterations when raising
7407         min_profitable_iters to sth at least covering one vector iteration.
7408
7409 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
7410
7411         * config/arm/arm.c (arm_test_cpu_arch_dat):
7412         Check for overlap.
7413
7414 2017-07-20  Nathan Sidwell  <nathan@acm.org>
7415
7416         Remove TYPE_METHODS.
7417         * tree.h (TYPE_METHODS): Delete.
7418         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
7419         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
7420         (dbxout_type_methods): Scan TYPE_FIELDS.
7421         (dbxout_type): Don't check TYPE_METHODS here.
7422         * function.c (use_register_for_decl): Always ignore register for
7423         class types when not optimizing.
7424         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
7425         * tree.c (free_lang_data_in_type): Stitch out member functions and
7426         templates from TYPE_FIELDS.
7427         (build_distinct_type_copy, verify_type_variant,
7428         verify_type): Member fns are on TYPE_FIELDS.
7429         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
7430         * tree-pretty-print.c (dump_generic_node): Likewise.
7431
7432 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
7433
7434         PR target/80846
7435         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
7436         V2TImode and V4TImode.
7437         (ix86_expand_vector_extract): Likewise.
7438         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
7439         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
7440         (ssescalarmode): Handle V4TImode and V2TImode.
7441         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
7442         (*vec_extractv2ti, *vec_extractv4ti): New insns.
7443         (VEXTRACTI128_MODE): New mode iterator.
7444         (splitter for *vec_extractv?ti first element): New.
7445         (VEC_INIT_MODE): New mode iterator.
7446         (vec_init<mode>): Consolidate 3 expanders into one using
7447         VEC_INIT_MODE mode iterator.
7448
7449 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7450
7451         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
7452         non_spilled_static_chain_regno_p.
7453
7454 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
7455
7456         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
7457
7458 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
7459
7460         * bb-reorder.c (connect_traces): Allow copying of blocks within
7461         single partition.
7462
7463 2017-07-20  Richard Biener  <rguenther@suse.de>
7464
7465         * gimple.h (gimple_phi_result): Add gphi * overload.
7466         (gimple_phi_result_ptr): Likewise.
7467         (gimple_phi_arg): Likewise.  Adjust index assert to only
7468         allow actual argument accesses rather than all slots available
7469         by capacity.
7470         (gimple_phi_arg_def): Add gphi * overload.
7471         * tree-phinodes.c (make_phi_node): Initialize only actual
7472         arguments.
7473         (resize_phi_node): Clear memory not covered by old node,
7474         do not initialize excess argument slots.
7475         (reserve_phi_args_for_new_edge): Initialize new argument slot
7476         completely.
7477
7478 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
7479
7480         PR tree-optimization/81388
7481         Revert r238585:
7482         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
7483
7484         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
7485         by removing computation of may_be_zero.
7486
7487 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7488             Tom de Vries  <tom@codesourcery.com>
7489
7490         PR middle-end/81030
7491         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
7492         when gimple level profile disagrees with what RTL expander did.
7493
7494 2017-07-20  Richard Biener  <rguenther@suse.de>
7495
7496         PR tree-optimization/61171
7497         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
7498         (vect_analyze_stmt): Add slp instance parameter.
7499         (vectorizable_reduction): Likewise.
7500         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
7501         (vect_is_simple_reduction): Deal with chains not detected
7502         as SLP reduction chain, specifically not properly associated
7503         chains containing a mix of plus/minus.
7504         (get_reduction_op): Remove.
7505         (get_initial_defs_for_reduction): Simplify, pass in whether
7506         this is a reduction chain, pass in the SLP node for the PHIs.
7507         (vect_create_epilog_for_reduction): Get the SLP instance as
7508         arg and adjust.
7509         (vectorizable_reduction): Get the SLP instance as arg.
7510         During analysis remember the SLP node with the PHIs in the
7511         instance.  Simplify getting at the vectorized reduction PHIs.
7512         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
7513         through SLP instance.
7514         (vect_slp_analyze_operations): Likewise.
7515         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
7516         (vect_transform_stmt): Likewise.
7517
7518 2017-07-20  Tom de Vries  <tom@codesourcery.com>
7519
7520         PR tree-optimization/81489
7521         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
7522         read of phi arg location to before loop that modifies phi.
7523
7524 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
7525
7526         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
7527         New pattern.
7528
7529 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7530
7531         PR middle-end/81331
7532         * except.c (execute): Fix ordering issue.
7533
7534 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7535
7536         PR rtl-optimization/81423
7537         * combine.c (make_compound_operation_int): Don't try to optimize
7538         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
7539
7540 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
7541
7542         PR rtl-optimization/81423
7543         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
7544         with a constant that is -1 in the truncated to mode.
7545
7546 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7547
7548         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
7549         (determine_unlikely_bbs): ... here.
7550         * predict.h (propagate_unlikely_bbs_forward): Declare.
7551         * cfgexpand.c (pass_expand::execute): Use it.
7552         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
7553         unlikely edges.
7554         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
7555         propagate_unlikely_bbs_forward.
7556
7557 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7558
7559         PR middle-end/81331
7560         * except.c (maybe_add_nop_after_section_switch): New function.
7561         (execute): Use it.
7562
7563 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7564
7565         * gimple.h (gimple_phi_set_arg): Make assert more strict.
7566
7567 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7568
7569         * gimple.h (gimple_phi_arg): Make assert more strict.
7570
7571 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
7572
7573         * config.gcc (powerpc*-*-*): Add mmintrin.h.
7574         * config/rs6000/mmintrin.h: New file.
7575         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
7576
7577 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7578
7579         PR tree-optimization/81346
7580         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
7581
7582 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7583
7584         * config/nvptx/nvptx.md (VECIM): Add V2DI.
7585
7586 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7587
7588         * config/nvptx/nvptx-modes.def: Add V2DImode.
7589         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
7590         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
7591         (nvptx_output_mov_insn): Handle lack of mov.b128.
7592         (nvptx_print_operand): Handle 'H' and 'L' codes.
7593         (nvptx_vector_mode_supported): Allow V2DImode.
7594         (nvptx_preferred_simd_mode): New function.
7595         (nvptx_data_alignment): New function.
7596         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
7597         nvptx_preferred_simd_mode.
7598         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
7599         64 to 128 bits.
7600         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
7601
7602 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7603
7604         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
7605         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
7606         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
7607         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
7608         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
7609         (mov<VECIM>_insn): New define_insn.
7610         (define_expand "mov<VECIM>): New define_expand.
7611
7612 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7613
7614         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
7615
7616 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7617
7618         PR tree-optimization/81346
7619         * fold-const.h (fold_div_compare, range_check_type): Declare.
7620         * fold-const.c (range_check_type): New function.
7621         (build_range_check): Use range_check_type.
7622         (fold_div_compare): No longer static, rewritten into
7623         a match.pd helper function.
7624         (fold_comparison): Don't call fold_div_compare here.
7625         * match.pd (X / C1 op C2): New optimization using fold_div_compare
7626         as helper function.
7627
7628 2017-07-19  Nathan Sidwell  <nathan@acm.org>
7629
7630         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
7631         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
7632         * tree.c (find_decls_types_r, verify_type): Use
7633         TYPE_{MIN,MAX}_VALUE_RAW.
7634         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
7635         (hash_tree): Likewise.
7636         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
7637         Likewise.
7638         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
7639         Likewise.
7640
7641 2017-07-18  Tom de Vries  <tom@codesourcery.com>
7642
7643         PR middle-end/81464
7644         * omp-expand.c (expand_omp_for_static_chunk): Handle
7645         equal-argument loop exit phi.
7646
7647 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
7648
7649         PR target/81471
7650         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
7651         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
7652         operand 2 predicate.
7653         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
7654         operand 2 predicate.
7655         (ror,rol -> rorx splitters): Use const_int_operand as
7656         operand 2 predicate.
7657
7658 2017-06-18  Richard Biener  <rguenther@suse.de>
7659
7660         PR tree-optimization/81410
7661         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
7662         the gap in the ! slp_perm SLP case after each group.
7663
7664 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7665
7666         PR middle-end/81463
7667         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
7668         again.
7669
7670 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7671
7672         PR middle-end/81462
7673         * predict.c (set_even_probabilities): Cleanup; do not affect
7674         probabilities that are already known.
7675         (combine_predictions_for_bb): Call even when count is set.
7676
7677 2017-07-18  Nathan Sidwell  <nathan@acm.org>
7678
7679         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
7680         TYPE_MAX_VALUE.
7681
7682 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
7683
7684         PR target/81408
7685         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
7686         optimization for loop niter analysis.
7687
7688 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
7689
7690         PR target/81473
7691         * config/avr/avr.c (avr_optimize_casesi): Don't use
7692         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
7693
7694 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
7695
7696         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
7697         body_cost_vec from _vect_peel_extended_info.
7698         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
7699         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
7700         npeel.
7701
7702 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
7703
7704         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
7705
7706 2017-07-18  Richard Biener  <rguenther@suse.de>
7707
7708         PR tree-optimization/80620
7709         PR tree-optimization/81403
7710         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
7711         info when re-using a VN table entry.
7712
7713 2017-07-18  Richard Biener  <rguenther@suse.de>
7714
7715         PR tree-optimization/81418
7716         * tree-vect-loop.c (vectorizable_reduction): Properly compute
7717         vectype_in.  Verify that with lane-reducing reduction operations
7718         we have a single def-use cycle.
7719
7720 2017-07-17  Carl Love  <cel@us.ibm.com>
7721
7722         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
7723
7724         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7725         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7726         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7727         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7728         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7729         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7730         VMULOSW): New enum "unspec" values.
7731         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
7732         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
7733         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7734         altivec_vmulosw): New patterns.
7735         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7736         VMULOSW): Add definitions.
7737 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
7738
7739         * config/alpha/alpha.c: Include predict.h.
7740
7741 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
7742
7743         * tree-vrp.c (compare_assert_loc): Fix comparison function
7744         to return predictable results.
7745
7746 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7747
7748         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
7749         option.
7750         (subdi3): Likewise.
7751         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
7752         * doc/invoke.texi (mexpand-adddi): Update text.
7753
7754 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7755
7756         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
7757         that also clobbers the CC register. The old expand code is moved
7758         to ...
7759         (*arc_clzsi2): ... here.
7760         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
7761         the CC register. The old expand code is moved to ...
7762         (arc_ctzsi2): ... here.
7763
7764 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7765
7766         * config/arc/arc.opt (mindexed-loads): Use initial value
7767         TARGET_INDEXED_LOADS_DEFAULT.
7768         (mauto-modify-reg): Use initial value
7769         TARGET_AUTO_MODIFY_REG_DEFAULT.
7770         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
7771         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
7772         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
7773         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
7774
7775 2017-07-17  Martin Liska  <mliska@suse.cz>
7776
7777         PR sanitizer/81302
7778         * opts.c (finish_options): Do not allow -fgnu-tm
7779         w/ -fsanitize={kernel-,}address.  Say sorry.
7780
7781 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7782
7783         PR target/81369
7784         * tree-loop-distribution.c (classify_partition): Only assert on
7785         numer of iterations.
7786         (merge_dep_scc_partitions): Delete prameter.  Update function call.
7787         (distribute_loop): Remove code handling loop with unknown niters.
7788         (pass_loop_distribution::execute): Skip loop with unknown niters.
7789
7790 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7791
7792         PR target/81369
7793         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
7794         function sort_partitions_by_post_order.
7795
7796 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7797
7798         PR tree-optimization/81374
7799         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
7800         the max index of basic blocks, rather than number of basic blocks.
7801
7802 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7803
7804         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
7805         proto.
7806         (arc_legitimate_pic_operand_p): Likewise.
7807         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
7808         function.
7809         (arc_needs_pcl_p): Likewise.
7810         (arc_legitimate_pc_offset_p): Likewise.
7811         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
7812         function is also used in constrains.md.
7813         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
7814         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
7815         PLUS.  Only return true/false in known cases, otherwise assert.
7816         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
7817         is already called in arc_legitimate_constant_p.
7818         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
7819         pic addresses.
7820         (LEGITIMATE_PIC_OPERAND_P): Use
7821         arc_raw_symbolic_reference_mentioned_p function.
7822         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
7823         function.
7824         (Cal): Likewise.
7825         (C32): Likewise.
7826
7827 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7828         Andrew Burgess  <andrew.burgess@embecosm.com>
7829
7830         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
7831         (arc_return_address_register): New function.
7832         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
7833         (arc_handle_fndecl_attribute): Add naked attribute.
7834         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
7835         (TARGET_WARN_FUNC_RETURN): Likewise.
7836         (arc_allocate_stack_slots_for_args): New function.
7837         (arc_warn_func_return): Likewise.
7838         (machine_function): Change type fn_type.
7839         (arc_compute_function_type): Consider new naked function type,
7840         change function return type.
7841         (arc_must_save_register): Adapt to handle new
7842         arc_compute_function_type's return type.
7843         (arc_expand_prologue): Likewise.
7844         (arc_expand_epilogue): Likewise.
7845         (arc_return_address_regs): Delete.
7846         (arc_return_address_register): New function.
7847         (arc_epilogue_uses): Use above function.
7848         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
7849         (arc_function_type): Change encoding, add naked type.
7850         (ARC_INTERRUPT_P): Change to handle the new encoding.
7851         (ARC_FAST_INTERRUPT_P): Likewise.
7852         (ARC_NORMAL_P): Define.
7853         (ARC_NAKED_P): Likewise.
7854         (arc_compute_function_type): Delete prototype.
7855         * config/arc/arc.md (in_ret_delay_slot): Use
7856         arc_return_address_register function.
7857         (simple_return): Likewise.
7858         (p_return_i): Likewise.
7859
7860 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7861
7862         PR tree-optimization/81428
7863         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
7864         can't be built for those types.
7865
7866 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
7867
7868         Remove stuff dead since r239246.
7869
7870         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
7871         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
7872         (avr_inform_devices): Remove dead stuff.
7873
7874 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
7875
7876         * config/arm/arm_neon.h: Fix softp typo.
7877
7878 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7879
7880         PR tree-optimization/81365
7881         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
7882         aggregate moves onto bb predecessor edges, make sure there are no
7883         loads that could alias the lhs in between the start of bb and the
7884         loads from *phi.
7885
7886 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
7887
7888         PR 80929
7889         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
7890         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
7891         [LSHIFTRT, outer_code = TRUNCATE]: Same.
7892
7893 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7894
7895         PR tree-optimization/81396
7896         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
7897         (init_symbolic_number): Initialize it to 1.
7898         (perform_symbolic_merge): Add n_ops from both operands into the new
7899         n_ops.
7900         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
7901         without base_addr as useless if they need more than one operation.
7902         (bswap_replace): Handle !bswap case for NULL base_addr.
7903
7904 2017-07-17  Tom de Vries  <tom@codesourcery.com>
7905
7906         PR target/81069
7907         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
7908         as possible.
7909
7910 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7911
7912         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
7913         conditional builtin define __FIX_LEON3FT_B2BST.
7914
7915 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
7916
7917         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
7918         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
7919         with -mfix-ut700.
7920
7921 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
7922
7923         PR rtl-optimization/81424
7924         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
7925         to remove potential trapping from operands if -fnon-call-exceptions.
7926
7927 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7928
7929         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
7930         profile_proability for scalling.
7931         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
7932
7933 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7934
7935         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
7936
7937 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7938
7939         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
7940         fixpoint arithmetics.
7941
7942 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7943
7944         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
7945         fixpoint arithmetics.
7946
7947 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7948
7949         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
7950         fixpoint arithmetics.
7951
7952 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7953
7954         * profile-count.h (profile_probability::from_reg_br_prob_note,
7955         profile_probability::to_reg_br_prob_note): New functions.
7956         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
7957         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
7958         * predict.c (probability_reliable_p): Update.
7959         (edge_probability_reliable_p): Update.
7960         (br_prob_note_reliable_p): Update.
7961         (invert_br_probabilities): Update.
7962         (add_reg_br_prob_note): New function.
7963         (combine_predictions_for_insn): Update.
7964         * asan.c (asan_clear_shadow): Update.
7965         * cfgbuild.c (compute_outgoing_frequencies): Update.
7966         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
7967         (update_br_prob_note): Update.
7968         (rtl_verify_edges): Update.
7969         (purge_dead_edges): Update.
7970         (fixup_reorder_chain): Update.
7971         * emit-rtl.c (try_split): Update.
7972         * ifcvt.c (cond_exec_process_insns): Update.
7973         (cond_exec_process_if_block): Update.
7974         (dead_or_predicable): Update.
7975         * internal-fn.c (expand_addsub_overflow): Update.
7976         (expand_neg_overflow): Update.
7977         (expand_mul_overflow): Update.
7978         * loop-doloop.c (doloop_modify): Update.
7979         * loop-unroll.c (compare_and_jump_seq): Update.
7980         * optabs.c (emit_cmp_and_jump_insn_1): Update.
7981         * predict.h: Update.
7982         * reorg.c (mostly_true_jump): Update.
7983         * rtl.h: Update.
7984         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
7985         * config/alpha/alpha.c (emit_unlikely_jump): Update.
7986         * config/arc/arc.c: (emit_unlikely_jump): Update.
7987         * config/arm/arm.c: (emit_unlikely_jump): Update.
7988         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
7989         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
7990         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
7991         (ix86_print_operand): Update.
7992         (ix86_split_fp_branch): Update.
7993         (predict_jump): Update.
7994         * config/ia64/ia64.c (ia64_print_operand): Update.
7995         * config/mmix/mmix.c (mmix_print_operand): Update.
7996         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
7997         (rs6000_expand_split_stack_prologue): Update.
7998         * config/rs6000/rs6000.c: Update.
7999         * config/s390/s390.c (s390_expand_vec_strlen): Update.
8000         (s390_expand_vec_movstr): Update.
8001         (s390_expand_cs_tdsi): Update.
8002         (s390_expand_split_stack_prologue): Update.
8003         * config/sh/sh.c (sh_print_operand): Update.
8004         (expand_cbranchsi4): Update.
8005         (expand_cbranchdi4): Update.
8006         * config/sparc/sparc.c (output_v9branch): Update.
8007         * config/spu/spu.c (get_branch_target): Update.
8008         (ea_load_store_inline): Update.
8009         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
8010         * config/tilepro/tilepro.c: Update.
8011
8012 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8013
8014         * gimplify.c (mostly_copy_tree_r): Revert latest change.
8015         (gimplify_save_expr): Likewise.
8016
8017 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8018
8019         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
8020
8021 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8022
8023         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
8024         TV_IPA_FNSUMMARY.
8025         * timevar.def (TV_IPA_FNSUMMARY): Define.
8026
8027 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
8028
8029         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
8030         to back store errata sensitive sequence from being generated.
8031         (sqrtdf2_fix): Likewise.
8032
8033 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8034
8035         * tree-ssa-threadupdate.c (compute_path_counts,
8036         update_joiner_offpath_counts): Use profile_probability.
8037
8038 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8039
8040         Revert:
8041         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8042
8043         * config/arm/arm-c.c (arm_cpu_builtins): Define
8044         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8045
8046 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8047
8048         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8049         array entries to represent __ieee128 versions of the
8050         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
8051         scalar_extract_sig, and scalar_insert_exp built-in functions.
8052         (altivec_resolve_overloaded_builtin): Add special case handling
8053         for the __builtin_scalar_insert_exp function, as represented by
8054         the P9V_BUILTIN_VEC_VSIEDP constant.
8055         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
8056         exponent support for __ieee128 argument.
8057         (VSESQP): Add scalar extract signature support for __ieee128
8058         argument.
8059         (VSTDCNQP): Add scalar test negative support for __ieee128
8060         argument.
8061         (VSIEQP): Add scalar insert exponent support for __int128 argument
8062         with __ieee128 result.
8063         (VSIEQPF): Add scalar insert exponent support for __ieee128
8064         argument with __ieee128 result.
8065         (VSTDCQP): Add scalar test data class support for __ieee128
8066         argument.
8067         (VSTDCNQP): Add overload support for scalar test negative with
8068         __ieee128 argument.
8069         (VSTDCQP): Add overload support for scalar test data class
8070         __ieee128 argument.
8071         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
8072         UNSPEC_VSX_SXSIGDP.
8073         (UNSPEC_VSX_SIEXPQP): New constant.
8074         (xsxexpqp): New insn for VSX scalar extract exponent quad
8075         precision.
8076         (xsxsigqp): New insn for VSX scalar extract significand quad
8077         precision.
8078         (xsiexpqpf): New insn for VSX scalar insert exponent quad
8079         precision with floating point argument.
8080         (xststdcqp): New expand for VSX scalar test data class quad
8081         precision.
8082         (xststdcnegqp): New expand for VSX scalar test negative quad
8083         precision.
8084         (xststdcqp): New insn to match expansions for VSX scalar test data
8085         class quad precision and VSX scalar test negative quad precision.
8086         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
8087         special case operand checking to enforce that second operand of
8088         VSX scalar test data class with quad precision argument is a 7-bit
8089         unsigned literal.
8090         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
8091         prototypes and descriptions of __ieee128 versions of
8092         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
8093         scalar_test_data_class, and scalar_test_neg built-in functions.
8094
8095 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8096
8097         PR tree-optimization/81162
8098         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
8099         replace a negate with an add.
8100
8101 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
8102
8103         * doc/invoke.texi (arm/-mcpu): Document +crypto.
8104
8105 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8106
8107         * config/arm/arm-c.c (arm_cpu_builtins): Define
8108         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8109
8110 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8111
8112         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
8113         (armv8-r): Set ARM Cortex-R52 as default CPU.
8114         * config/arm/arm-tables.opt: Regenerate.
8115         * config/arm/arm-tune.md: Regenerate.
8116         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8117         Cortex-R52.
8118         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
8119         extension for -mcpu=cortex-r52.
8120
8121 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8122
8123         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
8124         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
8125         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
8126         (fp-armv8): Define it as FP_ARMv8 only.
8127         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
8128         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
8129         TARGET_FPU_ARMV8.
8130         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
8131         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
8132         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
8133         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
8134         than TARGET_FPU_ARMV8.
8135         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
8136         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
8137         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
8138         TARGET_FPU_ARMV8.
8139         * config/arm/neon.md (neon_vrint): Likewise.
8140         (neon_vcvt): Likewise.
8141         (neon_<fmaxmin_op><mode>): Likewise.
8142         (<fmaxmin><mode>3): Likewise.
8143         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
8144         * config/arm/predicates.md (arm_cond_move_operator): Check against
8145         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
8146
8147 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
8148
8149         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
8150         to top of function.
8151
8152 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8153
8154         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
8155         loop in comment with memset.
8156
8157 2017-07-14  Martin Liska  <mliska@suse.cz>
8158
8159         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
8160         * dwarf2out.c (is_java): Remove the function.
8161         (output_pubname): Remove usage of the function.
8162         (lower_bound_default): Remove usage of DW_LANG_Java.
8163         (gen_compile_unit_die): Likewise.
8164         * gcc.c: Remove compiler defaults for .java and .zip files.
8165         * gimple-expr.c (remove_suffix): Change as there's no longer
8166         extension than 4-letter one.
8167         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
8168         (gimplify_save_expr): Likewise.
8169         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
8170         as it's possible even for other languages than Java.
8171         * langhooks.h (struct lang_hooks): Remove Java from a comment.
8172         * lto-opts.c (lto_write_options): Remove reference to Java.
8173         * opts.c (strip_off_ending): Update file extension handling.
8174         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
8175         * tree-eh.c (lower_resx): Likewise.
8176         * tree.c (free_lang_data_in_type): Remove dead code.
8177         (find_decls_types_r): Likewise.
8178         (build_common_builtin_nodes): Remove Java from a comment.
8179         (verify_type): Remove dead code.
8180         * varasm.c (assemble_external): Remove Java from a comment.
8181
8182 2017-07-14  Martin Liska  <mliska@suse.cz>
8183
8184         * opts.c (finish_options): Add quotes.
8185         (common_handle_option): Likewise.
8186
8187 2017-07-14  Martin Liska  <mliska@suse.cz>
8188
8189         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
8190         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
8191         Remove N_SO_PASCAL.
8192         * dwarf2out.c (lower_bound_default): Do not handle
8193         DW_LANG_Pascal83.
8194         (gen_compile_unit_die): Likewise.
8195         * gcc.c: Remove default extension binding for GNU Pascal.
8196         * stmt.c: Remove Pascal language from a comment.
8197         * xcoffout.c: Likewise.
8198
8199 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
8200
8201         PR c/81405
8202         * diagnostic-show-locus.c (fixit_cmp): New function.
8203         (layout::layout): Sort m_fixit_hints.
8204         (column_range::column_range): Assert that the values are valid.
8205         (struct char_span): New struct.
8206         (correction::overwrite): New method.
8207         (struct source_line): New struct.
8208         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
8209         calls in terms of classes source_line and char_span, and
8210         correction::overwrite.
8211         (selftest::test_overlapped_fixit_printing_2): New function.
8212         (selftest::diagnostic_show_locus_c_tests): Call it.
8213
8214 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
8215
8216         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
8217         early if there is no lhs.
8218
8219 2017-07-13  Martin Liska  <mliska@suse.cz>
8220
8221         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
8222         (gen_reference_type_die): Likewise.
8223         * stor-layout.c: Remove Pascal-related comment.
8224
8225 2017-07-13  Martin Liska  <mliska@suse.cz>
8226
8227         * opts.c (finish_options): Add quotes to error messages.
8228         (parse_sanitizer_options): Likewise.
8229
8230 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8231
8232         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
8233
8234 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
8235
8236         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
8237
8238 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8239
8240         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
8241         during expansion.
8242         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
8243
8244 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8245
8246         PR target/81193
8247         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
8248         provides the hardware capability bits, define the macro
8249         __BUILTIN_CPU_SUPPORTS__.
8250         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
8251         if GLIBC does not provide the hardware capability bits.  Add a
8252         gcc_unreachable call if the built-in cpu function is neither
8253         __builtin_cpu_is nor __builtin_cpu_supports.
8254         (rs6000_get_function_versions_dispatcher): Change the warning
8255         that an old GLIBC is used which does not export the capability
8256         bits to be an error.
8257         * doc/extend.texi (target_clones attribute): Document the
8258         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
8259         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
8260         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
8261         the macros defined by GCC if the newer GLIBC is available.
8262
8263 2017-07-12  Jeff Law  <law@redhat.com>
8264
8265         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
8266         remaining includes slightly.
8267         * config/riscv/riscv-builtins.c: Include profile-count.h.
8268
8269 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8270
8271         PR target/79883
8272         * config/avr/avr.c (avr_set_current_function): In diagnostic
8273         messages: Quote keywords and (parts of) identifiers.
8274         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
8275         "INTERUPT".
8276
8277 2017-07-12  Carl Love  <cel@us.ibm.com>
8278
8279         * config/rs6000/rs6000-c.c: Add support for built-in functions
8280         vector bool char vec_revb (vector bool char);
8281         vector bool short vec_revb (vector short char);
8282         vector bool int vec_revb (vector bool int);
8283         vector bool long long vec_revb (vector bool long long);
8284         * doc/extend.texi: Update the built-in documentation file for the
8285         new built-in functions.
8286
8287 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8288
8289         * config/s390/s390.md: Remove movcc splitter.
8290
8291 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8292
8293         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
8294         load/store on condition.
8295
8296 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8297
8298         PR target/81407
8299         * config/avr/avr.c (avr_encode_section_info)
8300         [progmem && !TREE_READONLY]: Error if progmem object needs
8301         constructing.
8302
8303 2017-07-11  Michael Collison  <michael.collison@arm.com>
8304
8305         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
8306         New pattern.
8307
8308 2017-07-11  Carl Love  <cel@us.ibm.com>
8309
8310         * config/rs6000/rs6000-c.c: Add support for builtins
8311         vector unsigned int vec_parity_lsbb (vector signed int);
8312         vector unsigned int vec_parity_lsbb (vector unsigned int);
8313         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
8314         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
8315         vector unsigned long long vec_parity_lsbb (vector signed long long);
8316         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
8317         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
8318         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
8319         * doc/extend.texi: Update the built-in documentation file for the
8320         new built-in functions.
8321
8322 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
8323
8324         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
8325         (layout::m_primary_loc): New field.
8326         (layout::layout): Initialize new field.  Move location filtering
8327         logic from here to...
8328         (layout::maybe_add_location_range): ...this new method.  Add
8329         support for filtering to just the lines already specified by other
8330         locations.
8331         (layout::will_show_line_p): New method.
8332         (gcc_rich_location::add_location_if_nearby): New method.
8333         (selftest::test_add_location_if_nearby): New test function.
8334         (selftest::diagnostic_show_locus_c_tests): Call it.
8335         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
8336         New method.
8337
8338 2017-07-11  Tom de Vries  <tom@codesourcery.com>
8339
8340         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
8341         (bb_first_real_insn): New function.
8342         (nvptx_single): Add extra initialization of broadcasted condition
8343         variables.
8344
8345 2017-07-11  Nathan Sidwell  <nathan@acm.org>
8346
8347         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
8348
8349 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
8350
8351         * doc/extend.texi (AVR Function Attributes): Remove weblink to
8352         Binutils doc as TEXI will mess them up.
8353         * doc/invoke.texi (AVR Options): Same here.
8354
8355 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
8356
8357         * config/sparc/sparc.opt (mfix-ut700): New option.
8358         (mfix-gr712rc): Likewise.
8359         (sparc_fix_b2bst): New variable.
8360         * doc/invoke.texi (SPARC options): Document them.
8361         (ARM options): Fix warnings.
8362         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
8363         instructions to prevent sequences that can trigger the store-store
8364         errata for certain LEON3FT processors.
8365         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
8366         (sparc_option_override): Set sparc_fix_b2bst appropriately.
8367         * config/sparc/sparc.md (fix_b2bst): New attribute.
8368         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
8369
8370 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
8371
8372         PR target/81375
8373         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
8374         (rcpps): Ditto.
8375         (*rsqrtsf2_sse): Ditto.
8376         (rsqrtsf2): Ditto.
8377         (div<mode>3): Macroize insn from divdf3 and divsf3
8378         using MODEF mode iterator.
8379
8380 2017-07-10  Martin Sebor  <msebor@redhat.com>
8381
8382         PR tree-optimization/80397
8383         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
8384         instead of testing for equality to INTEGER_TYPE.
8385
8386 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
8387
8388         * config.gcc: Remove uclibc from arc target spec.
8389
8390 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
8391
8392         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
8393
8394 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8395
8396         PR lto/80838
8397         * lto-wrapper.c (remove_option): New function.
8398         (merge_and_complain): Merge PIC/PIE options more realistically.
8399
8400 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8401
8402         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
8403
8404         PR target/20296
8405         PR target/81268
8406         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
8407         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
8408         * config.in: Regenerate.
8409         * configure: Regenerate.
8410         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
8411         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
8412         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
8413         (TARGET_GASISR_PROLOGUES): ...target mask.
8414         * common/config/avr/avr-common.c
8415         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
8416         Set -mgas-isr-prologues.
8417         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
8418         INSERT_PASS_BEFORE for it.
8419         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
8420         * config/avr/avr.c (avr_option_override)
8421         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
8422         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
8423         (avr_attribute_table) <no_gccisr>: Add new function attribute.
8424         (avr_set_current_function) <is_no_gccisr>: Init machine field.
8425         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
8426         and rtl_opt_pass.
8427         (make_avr_pass_pre_proep): New function.
8428         (emit_push_sfr) <treg>: Add argument to function and use it
8429         instead of TMP_REG.
8430         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
8431         and set machine->gasisr.yes.
8432         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
8433         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
8434         __gcc_isr.n_pushed to .L__stack_usage.
8435         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
8436         (avr_asm_final_postscan_insn): ...this new static function.
8437         * config/avr/avr.h (machine_function)
8438         <is_no_gccisr, use_L__stack_usage>: New fields.
8439         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
8440         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
8441         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
8442         (gasisr, *gasisr): New expander and insn.
8443         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
8444         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
8445         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
8446
8447 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
8448
8449         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
8450         in quoted strings.
8451
8452 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8453
8454         Move jump-tables out of .text again.
8455
8456         PR target/81075
8457         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
8458         (ASM_OUTPUT_ADDR_VEC): New function.
8459         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
8460         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
8461         INSN_ADDRESSes as asm comment.
8462         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
8463         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
8464         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
8465         * config/avr/avr.md (*tablejump): Adjust comment.
8466         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
8467         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
8468         New detail.
8469         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
8470         (avr_output_addr_vec): New proto.
8471         (avr_log_t) <insn_addresses>: New field.
8472
8473 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
8474
8475         PR target/81313
8476         * config/i386/i386.c (ix86_function_arg_advance): Set
8477         outgoing_args_on_stack to true if there are outgoing arguments
8478         on stack.
8479         (ix86_function_arg): Likewise.
8480         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
8481         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
8482         * config/i386/i386.h (machine_function): Add
8483         outgoing_args_on_stack.
8484
8485 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
8486
8487         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
8488         supporting pthreds.
8489         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
8490
8491 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
8492
8493         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
8494         (REAL_H): Remove $(MACHMODE_H).
8495         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
8496         double-int.h.
8497         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
8498         $(MACHMODE_H) and double-int.h.
8499         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
8500         $(MACHMODE_H).
8501         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
8502         double-int.h.
8503
8504 2017-07-07  Andrew Pinski  <apinski@cavium.com>
8505
8506         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
8507         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
8508
8509 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
8510
8511         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
8512         Add warning if GCC was not configured to link against a GLIBC that
8513         exports the hardware capability bits.
8514         (make_resolver_func): Make resolver function private and not a
8515         COMDAT function.  Create the name with clone_function_name instead
8516         of make_unique_name.
8517
8518         PR target/81348
8519         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
8520         correct operand in doing the split.
8521
8522 2017-07-07 Carl Love  <cel@us.ibm.com>
8523
8524         * config/rs6000/rs6000-c: Add support for built-in function
8525         vector unsigned short vec_pack_to_short_fp32 (vector float,
8526                                                       vector float).
8527         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
8528         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
8529         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
8530         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
8531         (convert_4f32_8i16): Add define_expand.
8532         * doc/extend.texi: Update the built-in documentation file for the
8533         new built-in function.
8534
8535 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8536
8537         * config/sparc/m8.md: New file.
8538         * config/sparc/sparc.md: Include m8.md.
8539
8540 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8541
8542         * config/sparc/sparc.opt: New option -mvis4b.
8543         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
8544         (sparc_option_override): Handle VIS4B.
8545         (enum sparc_builtins): Define
8546         SPARC_BUILTIN_DICTUNPACK{8,16,32},
8547         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
8548         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
8549         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
8550         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
8551         (check_constant_argument): New function.
8552         (sparc_vis_init_builtins): Define builtins
8553         __builtin_vis_dictunpack{8,16,32},
8554         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
8555         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
8556         __builtin_vis_fpcmpde{8,16,32}shl and
8557         __builtin_vis_fpcmpur{8,16,32}shl.
8558         (sparc_expand_builtin): Check that the constant operands to
8559         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
8560         constant and in range.
8561         * config/sparc/sparc-c.c (sparc_target_macros): Handle
8562         TARGET_VIS4B.
8563         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
8564         (SPARC_IMM5_P): Likewise.
8565         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
8566         (enabled): Handle vis4b.
8567         (UNSPEC_DICTUNPACK): New unspec.
8568         (UNSPEC_FPCMPSHL): Likewise.
8569         (UNSPEC_FPUCMPSHL): Likewise.
8570         (UNSPEC_FPCMPDESHL): Likewise.
8571         (UNSPEC_FPCMPURSHL): Likewise.
8572         (cpu_feature): New CPU feature `vis4b'.
8573         (dictunpack{8,16,32}): New insns.
8574         (FPCSMODE): New mode iterator.
8575         (fpcscond): New code iterator.
8576         (fpcsucond): Likewise.
8577         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
8578         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
8579         (fpcmpde{8,16,32}{si,di}shl): Likewise.
8580         (fpcmpur{8,16,32}{si,di}shl): Likewise.
8581         * config/sparc/constraints.md: Define constraints `q' for unsigned
8582         2-bit integer constants and `t' for unsigned 5-bit integer
8583         constants.
8584         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
8585         predicate.
8586         (imm5_operand_dictunpack16): Likewise.
8587         (imm5_operand_dictunpack32): Likewise.
8588         (imm2_operand): Likewise.
8589         * doc/invoke.texi (SPARC Options): Document -mvis4b.
8590         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8591         ditunpack* and fpcmp*shl builtins.
8592
8593 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8594
8595         * config.gcc: Handle m8 in --with-{cpu,tune} options.
8596         * config.in: Add HAVE_AS_SPARC6 define.
8597         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
8598         M8.
8599         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
8600         TARGET_CPU_m8.
8601         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
8602         (CPP_CPU_SPEC): Handle m8.
8603         (ASM_CPU_SPEC): Likewise.
8604         * config/sparc/sparc-opts.h (enum processor_type): Add
8605         PROCESSOR_M8.
8606         * config/sparc/sparc.c (m8_costs): New struct.
8607         (sparc_option_override): Handle TARGET_CPU_m8.
8608         (sparc32_initialize_trampoline): Likewise.
8609         (sparc64_initialize_trampoline): Likewise.
8610         (sparc_issue_rate): Likewise.
8611         (sparc_register_move_cost): Likewise.
8612         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
8613         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
8614         (ASM_CPU64_DEFAULT_SPEC): Likewise.
8615         (CPP_CPU_SPEC): Handle M8.
8616         (ASM_CPU_SPEC): Likewise.
8617         (AS_M8_FLAG): Define.
8618         * config/sparc/sparc.md: Add m8 to the cpu attribute.
8619         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
8620         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
8621         M8 instructions.
8622         * configure: Regenerate.
8623         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
8624         -mtune=m8.
8625
8626 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8627
8628         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
8629         subtypes.
8630         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
8631         ("*movdi_insn_sp32"): Do not set v3pipe.
8632         ("*movsi_insn"): Likewise.
8633         ("*movdi_insn_sp64"): Likewise.
8634         ("*movsf_insn"): Likewise.
8635         ("*movdf_insn_sp32"): Likewise.
8636         ("*movdf_insn_sp64"): Likewise.
8637         ("*zero_extendsidi2_insn_sp64"): Likewise.
8638         ("*sign_extendsidi2_insn"): Likewise.
8639         ("*mov<VM32:mode>_insn"): Likewise.
8640         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8641         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8642         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8643         ("<vlop:code><VL:mode>3"): Likewise.
8644         ("*not_<vlop:code><VL:mode>3"): Likewise.
8645         ("*nand<VL:mode>_vis"): Likewise.
8646         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
8647         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
8648         ("one_cmpl<VL:mode>2"): Likewise.
8649         ("faligndata<VM64:mode>_vis"): Likewise.
8650         ("alignaddrsi_vis"): Likewise.
8651         ("alignaddrdi_vis"): Likweise.
8652         ("alignaddrlsi_vis"): Likewise.
8653         ("alignaddrldi_vis"): Likewise.
8654         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8655         ("bmaskdi_vis"): Likewise.
8656         ("bmasksi_vis"): Likewise.
8657         ("bshuffle<VM64:mode>_vis"): Likewise.
8658         ("cmask8<P:mode>_vis"): Likewise.
8659         ("cmask16<P:mode>_vis"): Likewise.
8660         ("cmask32<P:mode>_vis"): Likewise.
8661         ("pdistn<P:mode>_vis"): Likewise.
8662         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8663
8664 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8665
8666         * config/sparc/sparc.md ("subtype"): New insn attribute.
8667         ("*wrgsr_sp64"): Set insn subtype.
8668         ("*rdgsr_sp64"): Likewise.
8669         ("alignaddrsi_vis"): Likewise.
8670         ("alignaddrdi_vis"): Likewise.
8671         ("alignaddrlsi_vis"): Likewise.
8672         ("alignaddrldi_vis"): Likewise.
8673         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8674         ("fexpand_vis"): Likewise.
8675         ("fpmerge_vis"): Likewise.
8676         ("faligndata<VM64:mode>_vis"): Likewise.
8677         ("bshuffle<VM64:mode>_vis"): Likewise.
8678         ("cmask8<P:mode>_vis"): Likewise.
8679         ("cmask16<P:mode>_vis"): Likewise.
8680         ("cmask32<P:mode>_vis"): Likewise.
8681         ("fchksm16_vis"): Likewise.
8682         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
8683         ("fmean16_vis"): Likewise.
8684         ("fp<plusminus_insn>64_vis"): Likewise.
8685         ("<plusminus_insn>v8qi3"): Likewise.
8686         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8687         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
8688         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
8689         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
8690         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
8691         ("*movqi_insn"): Likewise.
8692         ("*movhi_insn"): Likewise.
8693         ("*movsi_insn"): Likewise.
8694         ("movsi_pic_gotdata_op"): Likewise.
8695         ("*movdi_insn_sp32"): Likewise.
8696         ("*movdi_insn_sp64"): Likewise.
8697         ("movdi_pic_gotdata_op"): Likewise.
8698         ("*movsf_insn"): Likewise.
8699         ("*movdf_insn_sp32"): Likewise.
8700         ("*movdf_insn_sp64"): Likewise.
8701         ("*zero_extendhisi2_insn"): Likewise.
8702         ("*zero_extendqihi2_insn"): Likewise.
8703         ("*zero_extendqisi2_insn"): Likewise.
8704         ("*zero_extendqidi2_insn"): Likewise.
8705         ("*zero_extendhidi2_insn"): Likewise.
8706         ("*zero_extendsidi2_insn_sp64"): Likewise.
8707         ("ldfsr"): Likewise.
8708         ("prefetch_64"): Likewise.
8709         ("prefetch_32"): Likewise.
8710         ("tie_ld32"): Likewise.
8711         ("tie_ld64"): Likewise.
8712         ("*tldo_ldub_sp32"): Likewise.
8713         ("*tldo_ldub1_sp32"): Likewise.
8714         ("*tldo_ldub2_sp32"): Likewise.
8715         ("*tldo_ldub_sp64"): Likewise.
8716         ("*tldo_ldub1_sp64"): Likewise.
8717         ("*tldo_ldub2_sp64"): Likewise.
8718         ("*tldo_ldub3_sp64"): Likewise.
8719         ("*tldo_lduh_sp32"): Likewise.
8720         ("*tldo_lduh1_sp32"): Likewise.
8721         ("*tldo_lduh_sp64"): Likewise.
8722         ("*tldo_lduh1_sp64"): Likewise.
8723         ("*tldo_lduh2_sp64"): Likewise.
8724         ("*tldo_lduw_sp32"): Likewise.
8725         ("*tldo_lduw_sp64"): Likewise.
8726         ("*tldo_lduw1_sp64"): Likewise.
8727         ("*tldo_ldx_sp64"): Likewise.
8728         ("*mov<VM32:mode>_insn"): Likewise.
8729         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8730         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8731
8732 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8733
8734         * config/sparc/sparc.md ("type"): New insn type viscmp.
8735         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
8736         viscmp.
8737         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
8738         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
8739         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8740         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
8741         viscmp.
8742         ("n7_vis_logical_11cycle"): Likewise.
8743         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
8744         * config/sparc/niagara2.md ("niag3_vis": Likewise.
8745         * config/sparc/niagara.md ("niag_vis"): Likewise.
8746         * config/sparc/ultra3.md ("us3_fga"): Likewise.
8747         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
8748
8749 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8750
8751         * config/sparc/sparc.md: New instruction type `bmask'.
8752         (bmaskdi_vis): Use the `bmask' type.
8753         (bmasksi_vis): Likewise.
8754         * config/sparc/ultra3.md (us3_array): Likewise.
8755         * config/sparc/niagara7.md (n7_array): Likewise.
8756         * config/sparc/niagara4.md (n4_array): Likewise.
8757         * config/sparc/niagara2.md (niag2_vis): Likewise.
8758         (niag3_vis): Likewise.
8759         * config/sparc/niagara.md (niag_vis): Likewise.
8760
8761 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8762
8763         * ipa-comdats.c: Remove optimize check from gate.
8764         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
8765         for functions not optimized.
8766         (ipa_fn_summary_read): Skip optimize check.
8767         (ipa_fn_summary_write): Likewise.
8768         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
8769         is optimized.
8770         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
8771         uninlinable.
8772         (can_inline_edge_p): Check flag_pcc_struct_return for match.
8773         (check_callers): Give up on caller which is not optimized.
8774         (inline_small_functions): Likewise.
8775         (ipa_inline): Do not give up when not optimizing.
8776         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
8777         away unoptimizes cdtors.
8778         (whole_program_function_and_variable_visibility): Do
8779         ipa_discover_readonly_nonaddressable_vars in LTO mode.
8780         * ipa.c (process_references): Do not check optimize.
8781         (symbol_table::remove_unreachable_nodes): Update optimize check.
8782         (set_writeonly_bit): Update optimize check.
8783         (pass_ipa_cdtor_merge::gate): Do not check optimize.
8784         (pass_ipa_single_use::gate): Remove.
8785
8786 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8787
8788         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
8789         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
8790         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
8791         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
8792         permute_load, permute_store, adjust_extract, adjust_splat,
8793         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
8794         replace_swap_with_copy, dump_swap_insn_table,
8795         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
8796         recombine_lvx_pattern, recombine_stvx_pattern,
8797         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
8798         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
8799         to file rs6000-p8swap.c.
8800         * config/rs6000/rs6000-p8swap.c: New file.
8801         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
8802         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
8803         and rs6000*-*-* targets.
8804
8805 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8806
8807         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
8808
8809 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8810
8811         * lto-wrapper.c (merge_and_complain): Do not merge
8812         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
8813         fsigned_zeros, ftrapping_math, fwrapv.
8814         (append_compiler_options): Do not track these options.
8815         (append_linker_options): Likewie
8816
8817 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8818
8819         * cgraphunit.c (cgraph_node::finalize_function): When
8820         !flag_toplevel_reorde set no_reorder flag.
8821         (varpool_node::finalize_decl): Likewise.
8822         (symbol_table::compile): Drop no toplevel reorder path.
8823
8824 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8825
8826         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
8827         edges; zero probability is not better than uninitialized.
8828
8829 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
8830
8831         * asan.h (asan_sanitize_allocas_p): Declare.
8832         * asan.c (asan_sanitize_allocas_p): New function.
8833         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
8834         (handle_builtin_alloca): Likewise.
8835         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
8836         if !asan_sanitize_allocas_p.
8837         * params.def (asan-instrument-allocas): Add new option.
8838         * params.h (ASAN_PROTECT_ALLOCAS): Define.
8839         * opts.c (common_handle_option): Disable allocas sanitization for
8840         KASan by default.
8841
8842 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
8843
8844         * asan.c: Include gimple-fold.h.
8845         (get_last_alloca_addr): New function.
8846         (handle_builtin_stackrestore): Likewise.
8847         (handle_builtin_alloca): Likewise.
8848         (asan_emit_allocas_unpoison): Likewise.
8849         (get_mem_refs_of_builtin_call): Add new parameter, remove const
8850         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
8851         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
8852         (instrument_builtin_call): Pass gimple iterator to
8853         get_mem_refs_of_builtin_call.
8854         (last_alloca_addr): New global.
8855         * asan.h (asan_emit_allocas_unpoison): Declare.
8856         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
8857         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
8858         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
8859         if function calls alloca.
8860         * gimple-fold.c (replace_call_with_value): Remove static keyword.
8861         * gimple-fold.h (replace_call_with_value): Declare.
8862         * internal-fn.c: Include asan.h.
8863         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
8864         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
8865
8866 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8867
8868         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
8869         (C_SELFTEST_FLAGS): New.
8870         (CPP_SELFTEST_FLAGS): New.
8871         (SELFTEST_DEPS): New, from deps of s-selftest.
8872         (C_SELFTEST_DEPS): New, from deps of s-selftest.
8873         (CPP_SELFTEST_DEPS): New.
8874         (selftest): Add dependency on s-selftest-c++.
8875         (s-selftest): Rename to...
8876         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
8877         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
8878         than SELFTEST_FLAGS.
8879         (selftest-gdb): Rename to...
8880         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
8881         C_SELFTEST_FLAGS.
8882         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
8883         (selftest-valgrind): Rename to...
8884         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
8885         C_SELFTEST_FLAGS.
8886         (selftest-valgrind): Reintroduce as an alias for
8887         selftest-c-valgrind.
8888         (s-selftest-c++): New.
8889         (selftest-c++-gdb): New.
8890         (selftest-c++-valgrind): New.
8891
8892 2017-07-06  Olivier Hainque  <hainque@adacore.com>
8893
8894         * gcc.c (process_command): When deciding if undefined variables
8895         should be ignored when processing specs, accept "gcc -v" as well.
8896
8897 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8898
8899         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
8900         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
8901
8902 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8903
8904         * config/arm/arm-cpus.in (armv8-r): Add new entry.
8905         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
8906         * config/arm/arm-tables.opt: Regenerate.
8907         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
8908         enumerator.
8909         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
8910
8911 2017-07-06  Carl Love  <cel@us.ibm.com>
8912
8913         * ChangeLog: Clean up from mid air collision
8914
8915 2017-07-06  Carl Love  <cel@us.ibm.com>
8916
8917         * config/rs6000/rs6000-c.c: Add support for built-in functions
8918         vector signed int vec_subc (vector signed int, vector signed int);
8919         vector signed __int128 vec_subc (vector signed __int128,
8920                                          vector signed __int128);
8921         vector unsigned __int128 vec_subc (vector unsigned __int128,
8922                                            vector unsigned __int128);
8923         vector signed int vec_sube (vector signed int, vector signed int,
8924                                     vector signed int);
8925         vector unsigned int vec_sube (vector unsigned int,
8926                                       vector unsigned int,
8927                                       vector unsigned int);
8928         vector signed __int128 vec_sube (vector signed __int128,
8929                                          vector signed __int128,
8930                                          vector signed__int128);
8931         vector unsigned __int128 vec_sube (vector unsigned __int128,
8932                                            vector unsigned __int128,
8933                                            vector unsigned __int128);
8934         vector signed int vec_subec (vector signed int, vector signed int,
8935                                      vector signed int);
8936         vector unsigned int vec_subec (vector unsigned int,
8937                                        vector unsigned int,
8938                                        vector unsigned int);
8939         vector signed __int128 vec_subec (vector signed __int128,
8940                                           vector signed __int128,
8941                                           vector signed__int128);
8942         vector unsigned __int128 vec_subec (vector unsigned __int128,
8943                                             vector unsigned __int128,
8944                                             vector unsigned __int128);
8945         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
8946         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
8947         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
8948         BU_ALTIVEC_OVERLOAD_X definitions.
8949         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
8950         * doc/extend.texi: Update the built-in documentation file for the new
8951         built-in functions.
8952
8953 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8954
8955         PR c++/79300
8956         * diagnostic-show-locus.c (layout::layout): Use start and finish
8957         spelling location for the start and finish of each range.
8958         * genmatch.c (linemap_client_expand_location_to_spelling_point):
8959         Add unused aspect param.
8960         * input.c (expand_location_1): Add "aspect" param, and use it
8961         to access the correct part of the location.
8962         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
8963         expand_location_1.
8964         (expand_location_to_spelling_point): Likewise.
8965         (linemap_client_expand_location_to_spelling_point): Add "aspect"
8966         param, and pass it to expand_location_1.
8967
8968 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
8969
8970         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
8971         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
8972         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
8973         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
8974         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
8975         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
8976         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
8977         _mm_maskz_getmant_ss): New intrinsics.
8978         (__builtin_ia32_getexpss128_mask): Changed to ...
8979         __builtin_ia32_getexpss128_round ... this.
8980         (__builtin_ia32_getexpsd128_mask): Changed to ...
8981         __builtin_ia32_getexpsd128_round ... this.
8982         * config/i386/i386-builtin-types.def
8983         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
8984         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
8985         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
8986         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
8987         __builtin_ia32_getmantss_mask_round): New builtins.
8988         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
8989         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
8990         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
8991         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
8992         * config/i386/sse.md
8993         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
8994         avx512f_sgetexp<mode><mask_scalar_name>
8995         <round_saeonly_scalar_name> ... this.
8996         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
8997         %0, %1, %2<round_saeonly_op3>}): Changed to ...
8998         vgetexp<ssescalarmodesuffix>
8999         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9000         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
9001         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
9002         avx512f_vgetmant<mode><mask_scalar_name>
9003         <round_saeonly_scalar_name> ... this.
9004         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
9005         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
9006         vgetmant<ssescalarmodesuffix>
9007         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
9008         %0<mask_scalar_operand4>, %1, %2
9009         <round_saeonly_scalar_mask_op4>, %3} ... this.
9010         * config/i386/subst.md (mask_scalar_operand4,
9011         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
9012         round_saeonly_scalar_nimm_predicate): New subst attributes.
9013
9014 2017-07-06  Julia Koval  <julia.koval@intel.com>
9015
9016         * config/i386/i386.c (ix86_erase_embedded_rounding):
9017         Remove code for old rounding pattern.
9018
9019 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
9020
9021         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
9022
9023 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
9024
9025         * doc/sourcebuild.texi (Test Directives, Variants of
9026         dg-require-support): Add documentation for dg-require-stack-check.
9027
9028 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
9029
9030         * config/i386/subst.md (mask_scalar, round_scalar,
9031         round_saeonly_scalar): New meta-templates.
9032         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
9033         round_scalar_mask_operand3, round_scalar_mask_op3,
9034         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
9035         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
9036         round_saeonly_scalar_constraint,
9037         round_saeonly_scalar_prefix): New subst attribute.
9038         * config/i386/sse.md
9039         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
9040         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
9041         <round_scalar_name> ... this.
9042         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
9043         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
9044         <round_scalar_name> ... this.
9045         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
9046         <sse>_vm<code><mode>3<mask_scalar_name>
9047         <round_saeonly_scalar_name> ... this.
9048         (v<plusminus_mnemonic><ssescalarmodesuffix>
9049         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9050         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9051         v<plusminus_mnemonic><ssescalarmodesuffix>
9052         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9053         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9054         (v<multdiv_mnemonic><ssescalarmodesuffix>
9055         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9056         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9057         v<multdiv_mnemonic><ssescalarmodesuffix>
9058         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9059         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9060         (v<maxmin_float><ssescalarmodesuffix>
9061         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
9062         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
9063         v<maxmin_float><ssescalarmodesuffix>
9064         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9065         %0<mask_scalar_operand3>, %1, %<iptr>2
9066         <round_saeonly_scalar_mask_op3>} ... this.
9067
9068 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
9069
9070         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
9071         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
9072
9073 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
9074             Alan Hayward  <alan.hayward@arm.com>
9075             David Sherwood  <david.sherwood@arm.com>
9076
9077         * combine.c (simplify_if_then_else): Remove "enum" before
9078         "machine_mode".
9079         * compare-elim.c (can_eliminate_compare): Likewise.
9080         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
9081         Likewise.
9082         (aarch64_lookup_simd_builtin_type): Likewise.
9083         (aarch64_simd_builtin_type): Likewise.
9084         (aarch64_init_simd_builtin_types): Likewise.
9085         (aarch64_simd_expand_args): Likewise.
9086         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
9087         Likewise.
9088         (aarch64_reverse_mask): Likewise.
9089         (aarch64_simd_emit_reg_reg_move): Likewise.
9090         (aarch64_gen_adjusted_ldpstp): Likewise.
9091         (aarch64_ccmp_mode_to_code): Likewise.
9092         (aarch64_operands_ok_for_ldpstp): Likewise.
9093         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9094         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
9095         Likewise.
9096         (aarch64_min_divisions_for_recip_mul): Likewise.
9097         (aarch64_reassociation_width): Likewise.
9098         (aarch64_get_condition_code_1): Likewise.
9099         (aarch64_simd_emit_reg_reg_move): Likewise.
9100         (aarch64_simd_attr_length_rglist): Likewise.
9101         (aarch64_reverse_mask): Likewise.
9102         (aarch64_operands_ok_for_ldpstp): Likewise.
9103         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9104         (aarch64_gen_adjusted_ldpstp): Likewise.
9105         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
9106         Likewise.
9107         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
9108         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
9109         (arm_lookup_simd_builtin_type): Likewise.
9110         (arm_simd_builtin_type): Likewise.
9111         (arm_init_simd_builtin_types): Likewise.
9112         (arm_expand_builtin_args): Likewise.
9113         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
9114         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
9115         (ft32_setup_incoming_varargs): Likewise.
9116         (ft32_function_arg): Likewise.
9117         (ft32_function_arg_advance): Likewise.
9118         (ft32_pass_by_reference): Likewise.
9119         (ft32_arg_partial_bytes): Likewise.
9120         (ft32_valid_pointer_mode): Likewise.
9121         (ft32_addr_space_pointer_mode): Likewise.
9122         (ft32_addr_space_legitimate_address_p): Likewise.
9123         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
9124         Likewise.
9125         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
9126         (ix86_emit_outlined_ms2sysv_restore): Likewise.
9127         (iamcu_alignment): Likewise.
9128         (canonicalize_vector_int_perm): Likewise.
9129         (ix86_noce_conversion_profitable_p): Likewise.
9130         (ix86_mpx_bound_mode): Likewise.
9131         (ix86_operands_ok_for_move_multiple): Likewise.
9132         * config/microblaze/microblaze-protos.h
9133         (microblaze_expand_conditional_branch_reg): Likewise.
9134         * config/microblaze/microblaze.c
9135         (microblaze_expand_conditional_branch_reg): Likewise.
9136         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
9137         Likewise.
9138         (rs6000_reassociation_width): Likewise.
9139         (rs6000_invalid_binary_op): Likewise.
9140         (fusion_p9_p): Likewise.
9141         (emit_fusion_p9_load): Likewise.
9142         (emit_fusion_p9_store): Likewise.
9143         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
9144         Likewise.
9145         (riscv_hard_regno_mode_ok_p): Likewise.
9146         (riscv_address_insns): Likewise.
9147         (riscv_split_symbol): Likewise.
9148         (riscv_legitimize_move): Likewise.
9149         (riscv_function_value): Likewise.
9150         (riscv_hard_regno_nregs): Likewise.
9151         (riscv_expand_builtin): Likewise.
9152         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
9153         (riscv_build_integer): Likewise.
9154         (riscv_split_integer): Likewise.
9155         (riscv_legitimate_constant_p): Likewise.
9156         (riscv_cannot_force_const_mem): Likewise.
9157         (riscv_regno_mode_ok_for_base_p): Likewise.
9158         (riscv_valid_base_register_p): Likewise.
9159         (riscv_valid_offset_p): Likewise.
9160         (riscv_valid_lo_sum_p): Likewise.
9161         (riscv_classify_address): Likewise.
9162         (riscv_legitimate_address_p): Likewise.
9163         (riscv_address_insns): Likewise.
9164         (riscv_load_store_insns): Likewise.
9165         (riscv_force_binary): Likewise.
9166         (riscv_split_symbol): Likewise.
9167         (riscv_force_address): Likewise.
9168         (riscv_legitimize_address): Likewise.
9169         (riscv_move_integer): Likewise.
9170         (riscv_legitimize_const_move): Likewise.
9171         (riscv_legitimize_move): Likewise.
9172         (riscv_address_cost): Likewise.
9173         (riscv_subword): Likewise.
9174         (riscv_output_move): Likewise.
9175         (riscv_canonicalize_int_order_test): Likewise.
9176         (riscv_emit_int_order_test): Likewise.
9177         (riscv_function_arg_boundary): Likewise.
9178         (riscv_pass_mode_in_fpr_p): Likewise.
9179         (riscv_pass_fpr_single): Likewise.
9180         (riscv_pass_fpr_pair): Likewise.
9181         (riscv_get_arg_info): Likewise.
9182         (riscv_function_arg): Likewise.
9183         (riscv_function_arg_advance): Likewise.
9184         (riscv_arg_partial_bytes): Likewise.
9185         (riscv_function_value): Likewise.
9186         (riscv_pass_by_reference): Likewise.
9187         (riscv_setup_incoming_varargs): Likewise.
9188         (riscv_print_operand): Likewise.
9189         (riscv_elf_select_rtx_section): Likewise.
9190         (riscv_save_restore_reg): Likewise.
9191         (riscv_for_each_saved_reg): Likewise.
9192         (riscv_register_move_cost): Likewise.
9193         (riscv_hard_regno_mode_ok_p): Likewise.
9194         (riscv_hard_regno_nregs): Likewise.
9195         (riscv_class_max_nregs): Likewise.
9196         (riscv_memory_move_cost): Likewise.
9197         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
9198         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
9199         (rl78_addr_space_address_mode): Likewise.
9200         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9201         Likewise.
9202         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
9203         (rs6000_reassociation_width): Likewise.
9204         (rs6000_invalid_binary_op): Likewise.
9205         (fusion_p9_p): Likewise.
9206         (emit_fusion_p9_load): Likewise.
9207         (emit_fusion_p9_store): Likewise.
9208         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
9209         (ok_for_simple_move_operands): Likewise.
9210         (ok_for_simple_move_strict_operands): Likewise.
9211         (ok_for_simple_arith_logic_operands): Likewise.
9212         (visium_legitimize_reload_address): Likewise.
9213         (visium_select_cc_mode): Likewise.
9214         (output_cbranch): Likewise.
9215         (visium_split_double_move): Likewise.
9216         (visium_expand_copysign): Likewise.
9217         (visium_expand_int_cstore): Likewise.
9218         (visium_expand_fp_cstore): Likewise.
9219         * config/visium/visium.c (visium_pass_by_reference): Likewise.
9220         (visium_function_arg): Likewise.
9221         (visium_function_arg_advance): Likewise.
9222         (visium_libcall_value): Likewise.
9223         (visium_setup_incoming_varargs): Likewise.
9224         (visium_legitimate_constant_p): Likewise.
9225         (visium_legitimate_address_p): Likewise.
9226         (visium_legitimize_address): Likewise.
9227         (visium_secondary_reload): Likewise.
9228         (visium_register_move_cost): Likewise.
9229         (visium_memory_move_cost): Likewise.
9230         (prepare_move_operands): Likewise.
9231         (ok_for_simple_move_operands): Likewise.
9232         (ok_for_simple_move_strict_operands): Likewise.
9233         (ok_for_simple_arith_logic_operands): Likewise.
9234         (visium_function_value_1): Likewise.
9235         (rtx_ok_for_offset_p): Likewise.
9236         (visium_legitimize_reload_address): Likewise.
9237         (visium_split_double_move): Likewise.
9238         (visium_expand_copysign): Likewise.
9239         (visium_expand_int_cstore): Likewise.
9240         (visium_expand_fp_cstore): Likewise.
9241         (visium_split_cstore): Likewise.
9242         (visium_select_cc_mode): Likewise.
9243         (visium_split_cbranch): Likewise.
9244         (output_cbranch): Likewise.
9245         (visium_print_operand_address): Likewise.
9246         * expmed.c (flip_storage_order): Likewise.
9247         * expmed.h (emit_cstore): Likewise.
9248         (flip_storage_order): Likewise.
9249         * genrecog.c (validate_pattern): Likewise.
9250         * hsa-gen.c (gen_hsa_addr): Likewise.
9251         * internal-fn.c (expand_arith_overflow): Likewise.
9252         * ira-color.c (allocno_copy_cost_saving): Likewise.
9253         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9254         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
9255         (process_invariant_for_inheritance): Likewise.
9256         * lra-eliminations.c (move_plus_up): Likewise.
9257         * omp-low.c (lower_oacc_reductions): Likewise.
9258         * simplify-rtx.c (simplify_subreg): Likewise.
9259         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
9260         (TARGET_CHKP_BOUND_MODE): Likewise..
9261         * targhooks.c (default_chkp_bound_mode): Likewise.
9262         (default_setup_incoming_vararg_bounds): Likewise.
9263         * targhooks.h (default_chkp_bound_mode): Likewise.
9264         (default_setup_incoming_vararg_bounds): Likewise.
9265         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
9266         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
9267         (have_whole_vector_shift): Likewise.
9268         * tree-vect-stmts.c (vectorizable_load): Likewise.
9269         * doc/tm.texi: Regenerate.
9270
9271 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9272
9273         Graceful degrade if Binutils PR21472 is not available.
9274
9275         PR target/81072
9276         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
9277         .rodata in flash test fails.
9278         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
9279         * confgure: Regenerate.
9280         * config.in: Regenerate.
9281         * config/avr/avr.c (avr_asm_named_section)
9282         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
9283         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
9284         (avr_asm_init_sections): Same.
9285
9286 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9287
9288         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
9289         (fma<VH:mode>4_intrinsic): Likewise.
9290         (*fmsub<VCVTF:mode>4): Likewise.
9291         (*fmsub<VH:mode>4_intrinsic): Likewise.
9292
9293 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9294
9295         PR target/81305
9296         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
9297         Don't depend on "optimize > 0".
9298         (out_movhi_r_mr, out_movqi_mr_r): Same.
9299         (out_movhi_mr_r, out_movqi_r_mr): Same.
9300         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
9301         io_address_operand on "optimize > 0".
9302
9303 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9304
9305         * tree-loop-distribution.c: Add general explanantion on the pass.
9306         (generate_loops_for_partition): Mark distributed loop.
9307         (pg_add_dependence_edges): New parameter.  Handle alias data
9308         dependence specially and record it in the parameter if asked.
9309         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
9310         (init_partition_graph_vertices, add_partition_graph_edge): New.
9311         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
9312         (free_partition_graph_vdata, build_partition_graph): New.
9313         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
9314         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
9315         (data_ref_segment_size, latch_dominated_by_data_ref): New.
9316         (compute_alias_check_pairs, version_loop_by_alias_check): New.
9317         (version_for_distribution_p, finalize_partitions): New.
9318         (distribute_loop): Handle alias data dependence specially.  Factor
9319         out loop fusion code as functions and call these functions.
9320
9321 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9322
9323         * tree-loop-distribution.c (classify_partition): New parameter and
9324         better handle reduction statement.
9325         (rdg_build_partitions): Revise comment.
9326         (distribute_loop): Compute statements in all partitions and pass it
9327         to classify_partition.
9328
9329 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9330
9331         * tree-loop-distribution.c (enum partition_type): New.
9332         (struct partition): New field type.
9333         (partition_merge_into): Add parameter.  Update partition type.
9334         (data_dep_in_cycle_p, update_type_for_merge): New functions.
9335         (build_rdg_partition_for_vertex): Compute partition type.
9336         (rdg_build_partitions): Dump partition type.
9337         (distribute_loop): Update calls to partition_merge_into.
9338
9339 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9340
9341         * tree-loop-distribution.c (struct ddr_hasher): New.
9342         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
9343         (ddrs_table): New.
9344         (classify_partition): Call get_data_dependence.
9345         (pg_add_dependence_edges): Ditto.
9346         (distribute_loop): Release data dependence hash table.
9347
9348 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9349
9350         * tree-loop-distribution.c (ref_base_address): Delete.
9351         (similar_memory_accesses): Rename ...
9352         (share_memory_accesses): ... to this.  Check if partitions access
9353         the same memory reference.
9354         (distribute_loop): Call share_memory_accesses.
9355
9356 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9357
9358         * tree-loop-distribution.c (struct partition): New field recording
9359         its data reference.
9360         (partition_alloc, partition_free): Init and release data refs.
9361         (partition_merge_into): Merge data refs.
9362         (build_rdg_partition_for_vertex): Collect data refs for partition.
9363         (pg_add_dependence_edges): Change parameters from vector to bitmap.
9364         Update uses.
9365         (distribute_loop): Remve data refs from vertice data of partition
9366         graph.
9367
9368 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9369
9370         * tree-loop-distribution.c (params.h): Include header file.
9371         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
9372         (datarefs_vec): New global var.
9373         (create_rdg_vertices): Use datarefs_vec directly.
9374         (free_rdg): Don't free data references.
9375         (build_rdg): Update use.  Don't free data references.
9376         (distribute_loop): Compute global variable for data references.
9377         Bail out if there are too many data references.
9378
9379 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9380
9381         * tree-loop-distribution.c (loop_nest): New global var.
9382         (build_rdg): Use loop directly, rather than loop nest.
9383         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
9384         variable directly.
9385         (distribute_loop): Compute global variable loop nest.  Update use.
9386
9387 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9388
9389         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
9390         (partition_merge_into): New parameter.  Dump reason for fusion.
9391         (distribute_loop): Update use of partition_merge_into.
9392
9393 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9394
9395         * tree-loop-distribution.c (bb_top_order_index): New.
9396         (bb_top_order_index_size, bb_top_order_cmp): New.
9397         (stmts_from_loop): Use topological order.
9398         (pass_loop_distribution::execute): Compute and release topological
9399         order for basic blocks.
9400
9401 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9402
9403         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
9404         if no loops.
9405
9406 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9407
9408         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
9409         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
9410         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
9411         * internal-fn.def (LOOP_DIST_ALIAS): New.
9412         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
9413         (fold_loop_internal_call): ... this.
9414         (vect_loop_dist_alias_call): New function.
9415         (set_uid_loop_bbs): Call fold_loop_internal_call.
9416         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
9417         internal calls.
9418
9419 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9420
9421         PR target/81300
9422         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
9423         Require dead FLAGS_REG at the beginning of a peephole.
9424
9425 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9426
9427         PR target/81294
9428         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
9429         arguments in the call to __builtin_ia32_sbb_u32.
9430         (_subborrow_u64): Swap _X and _Y arguments in the call to
9431         __builtin_ia32_sbb_u64.
9432
9433 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
9434
9435         PR debug/81278
9436         * tree-vrp.c (compare_assert_loc): Turn into a function template
9437         with stable template parameter.  Only test if a->e is NULL,
9438         !a->e == !b->e has been verified already.  Use e == NULL or
9439         e != NULL instead of e or ! e tests.  If stable is true, don't use
9440         iterative_hash_expr, on the other side allow a or b or both NULL
9441         and sort the NULLs last.
9442         (process_assert_insertions): Sort using compare_assert_loc<false>
9443         instead of compare_assert_loc, later sort using
9444         compare_assert_loc<true> before calling process_assert_insertions_for
9445         in a loop.  Use break instead of continue once seen NULL pointer.
9446
9447 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9448
9449         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
9450         Cortex-R7 and Cortex-R8 processors.
9451
9452 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9453
9454         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
9455         uninitialized while src is not.
9456
9457 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
9458
9459         * common/config/arm/arm-common.c: Adjust include path for
9460         arm-cpu-cdata.h
9461         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
9462         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
9463         (arm-cpu-data.h): Likewise.
9464         (arm-cpu-cdata.h): Likewise.
9465         * config/arm/arm-cpu.h: Delete.
9466         * config/arm/arm-cpu-cdata.h: Delete.
9467         * config/arm/arm-cpu-data.h: Delete.
9468
9469 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
9470
9471         * config/arm/arm-cpus.in (cortex-a55): New.
9472         (cortex-a75): Likewise.
9473         (cortex-a75.cortex-a55): Likewise.
9474         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
9475         cortex-a75.
9476         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
9477         * config/arm/arm-cpu-cdata.h: Regenerate.
9478         * config/arm/arm-cpu-data.h: Regenerate.
9479         * config/arm/arm-cpu.h: Regenerate.
9480         * config/arm/arm-tables.opt: Regenerate.
9481         * config/arm/arm-tune.md: Regenerate.
9482
9483 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9484
9485         * haifa-sched.c (sched_create_recovery_edges): Update profile.
9486
9487 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
9488
9489         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
9490         probability.
9491
9492 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
9493
9494         PR tree-optimization/81292
9495         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
9496         full_string_p, also call adjust_related_strinfos if the adjustment
9497         is simple, otherwise invalidate related strinfos.
9498
9499 2017-07-04  Martin Liska  <mliska@suse.cz>
9500
9501         PR sanitizer/81040
9502         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
9503         newly created variable as DECL_IGNORED_P.
9504
9505 2017-07-04  Martin Liska  <mliska@suse.cz>
9506
9507         PR ipa/81293
9508         * ipa-inline.c (inline_small_functions):
9509         Use xstrdup_for_dump.
9510
9511 2017-07-04  Tom de Vries  <tom@codesourcery.com>
9512
9513         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
9514
9515 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9516
9517         PR target/81033
9518         * config/darwin.c (darwin_function_switched_text_sections):
9519         Fix spaces.
9520
9521 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
9522
9523         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
9524
9525 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9526
9527         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
9528
9529 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9530
9531         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
9532         min_profitable_iters, and th as inclusive lower bounds.
9533         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
9534         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
9535         for min_profitable_iters and min_profitable_estimate.
9536         (vect_transform_loop): Treat th as an inclusive lower bound.
9537         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
9538
9539 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
9540
9541         PR target/81033
9542         * config/darwin.c (darwin_function_switched_text_sections):
9543         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
9544         in two pieces, and suppress the use of buf.
9545
9546 2017-07-03  Nathan Sidwell  <nathan@acm.org>
9547
9548         * hash-table.h (hash_table_mod1): Fix indentation.
9549
9550 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9551
9552         PR middle-end/81290
9553         * predict.c (force_edge_cold): Be more careful about propagation
9554         backward.
9555         * profile-count.h (profile_probability::guessed,
9556         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
9557         New.
9558         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
9559
9560 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
9561
9562         * doc/invoke.texi (rcpc architecture extension): Document it.
9563
9564 2017-07-03  Richard Biener  <rguenther@suse.de>
9565
9566         PR tree-optimization/60510
9567         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
9568         the scalar reduction PHI and use it.
9569         (vectorizable_reduction): Properly guard the single_defuse_cycle
9570         path for non-SLP reduction chains where we cannot use it.
9571         Rework reduc_def/index and vector type deduction.  Rework
9572         vector operand gathering during reduction op code-gen.
9573         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
9574         chains dissolve the chain and leave it to non-SLP reduction
9575         handling.
9576
9577 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9578
9579         * tree-data-ref.h (dr_alignment): Declare.
9580         * tree-data-ref.c (dr_alignment): New function.
9581         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
9582         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
9583         set it.
9584         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
9585
9586 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9587
9588         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
9589         and base_misalignment fields.
9590         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
9591         * tree-data-ref.c: Include builtins.h.
9592         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
9593         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
9594         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
9595         * tree-vect-data-refs.c: Include tree-cfg.h.
9596         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
9597         fields instead of calculating an alignment here.
9598         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
9599         innermost_loop_behavior fields.
9600
9601 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9602
9603         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
9604         field.
9605         (DR_STEP_ALIGNMENT): New macro.
9606         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
9607         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
9608         (create_data_ref): Print it.
9609         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
9610         to tell whether the step preserves vector (mis)alignment.
9611         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9612         Move the check for an integer step and generalise to all INTEGER_CST.
9613         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
9614         Print the outer step alignment.
9615
9616 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9617
9618         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
9619         with offset_alignment.
9620         (DR_ALIGNED_TO): Delete.
9621         (DR_OFFSET_ALIGNMENT): New macro.
9622         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
9623         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
9624         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
9625         (create_data_ref): Likewise.
9626         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9627         (vect_analyze_data_refs): Likewise.
9628         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
9629         creating dummy innermost behavior.
9630
9631 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9632
9633         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
9634         with a "innermost_loop_behavior *" and refeence tree.
9635         * tree-data-ref.c (dr_analyze_innermost): Likewise.
9636         (create_data_ref): Update call accordingly.
9637         * tree-predcom.c (find_looparound_phi): Likewise.
9638
9639 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9640
9641         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
9642         fields with dr_wrt_vec_loop.
9643         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
9644         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
9645         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
9646         (vect_dr_behavior): New function.
9647         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9648         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
9649         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
9650         track whether the step preserves the misalignment.
9651         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9652         Use vect_dr_behavior.
9653         (vect_setup_realignment): Update call accordingly.
9654         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
9655         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
9656         call to vect_create_addr_base_for_vector_ref.
9657         (vect_create_cond_for_align_checks): Likewise.
9658         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
9659         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
9660         (vect_recog_mask_conversion_pattern): Likewise.
9661         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
9662         (new_stmt_vec_info): Remove redundant zeroing.
9663
9664 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9665
9666         * common/config/arm/arm-common.c (arm_be8_option): New function.
9667         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
9668         (ISA_ARMv6): Add isa_bit_be8.
9669         * config/arm/arm.h (arm_be8_option): Add prototype.
9670         (BE8_SPEC_FUNCTION): New define.
9671         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
9672         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
9673         (mlittle-endian): Similarly.
9674         (mbe8, mbe32): New options.
9675         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
9676         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
9677
9678 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9679
9680         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
9681
9682 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9683
9684         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
9685         (cleanup_tree_cfg_bb): Use it.
9686         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
9687         New functions.
9688         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
9689
9690 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9691
9692         PR bootstrap/81285
9693         * loop-doloop.c (add_test): Update profile.
9694
9695 2017-07-03  Martin Liska  <mliska@suse.cz>
9696
9697         PR sanitize/81040
9698         * sanopt.c (rewrite_usage_of_param): New function.
9699         (sanitize_rewrite_addressable_params): Likewise.
9700         (pass_sanopt::execute): Call rewrite_usage_of_param.
9701
9702 2017-07-03  Richard Biener  <rguenther@suse.de>
9703
9704         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
9705         back to using VIEW_CONVERT_EXPR.
9706
9707 2017-07-03  Martin Liska  <mliska@suse.cz>
9708
9709         PR other/78366
9710         * doc/extend.texi: Document when a resolver function is
9711         generated for target_clones.
9712
9713 2017-07-03  Martin Liska  <mliska@suse.cz>
9714
9715         * asan.c (asan_emit_stack_protection): Unpoison just red zones
9716         and shadow memory of auto variables which are subject of
9717         use-after-scope sanitization.
9718         (asan_expand_mark_ifn): Add do set only when is_poison.
9719
9720 2016-07-03  Richard Biener  <rguenther@suse.de>
9721
9722         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
9723         reduction PHIs.
9724         (vect_force_simple_reduction): Record reduction def -> phi mapping.
9725         (vectorizable_reduction): Perform reduction PHI creation when
9726         visiting a reduction PHI and adjust and simplify code generation
9727         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
9728         (vect_transform_loop): Visit reduction PHIs.
9729         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
9730         defs into the SLP tree.
9731         (vect_build_slp_tree): Reduction defs terminate the recursion.
9732         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
9733         of reduction defs.
9734         (vect_get_vec_defs_for_stmt_copy): Export.
9735         (vect_get_vec_defs): Likewise.
9736         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
9737         purpose.
9738         (vect_get_vec_defs_for_stmt_copy): Declare.
9739         (vect_get_vec_defs): Likewise.
9740
9741 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9742
9743         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
9744         parameter with a "loop" parameter and use it instead of the
9745         loop containing DR_STMT.  Don't check simple_iv when doing
9746         BB analysis.  Describe the two analysis modes in the comment.
9747
9748 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9749
9750         PR tree-optimization/69468
9751         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
9752         (find_same_succ_bb): Handle ignore_edge_flags.
9753
9754 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9755
9756         PR tree-optimization/81192
9757         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
9758         hash.
9759         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
9760         differs.
9761         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
9762
9763 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9764
9765         PR tree-optimization/81192
9766         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
9767         BB_SAME_SUCC (bb) == NULL.
9768
9769 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9770
9771         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
9772         consistency.
9773
9774 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9775
9776         * dumpfile.c: Include profile-count.h
9777         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
9778         update profile.
9779         (insert_cond_bb): Update profile.
9780         * tree-cfg.h (insert_cond_bb): Update prototype.
9781         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
9782         * tree-dump.c: Do not include tree-cfg.
9783
9784 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9785
9786         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
9787
9788 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9789
9790         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
9791         bb.
9792
9793 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9794
9795         * tree-complex.c (expand_complex_div_wide): update profile.
9796
9797 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9798             Alan Hayward  <alan.hayward@arm.com>
9799             David Sherwood  <david.sherwood@arm.com>
9800
9801         * Makefile.in (MACHMODE_H): Remove insn-modes.h
9802         (CORETYPES_H): New define.
9803         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
9804         (insn-modes-inline.h, s-modes-inline-h): New rules.
9805         (generated_files): Add insn-modes-inline.h.
9806         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
9807         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
9808         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
9809         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
9810         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
9811         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
9812         (build/gencodes.o, build/genconditions.o): Likewise.
9813         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
9814         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
9815         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
9816         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
9817         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
9818         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
9819         * coretypes.h: Include everything up to real.h for generators.
9820         Include insn-modes.h first.  Include wide-int-print.h after
9821         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
9822         * machmode.h: Don't include insn-modes.h here.
9823         * function-tests.c: Remove includes of signop.h, machmode.h,
9824         double-int.h and wide-int.h.
9825         * rtl.h: Likewise.
9826         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
9827         and wide-int.h.
9828         * optc-save-gen.awk: Likewise.
9829         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
9830         * godump.c: Remove include of wide-int-print.h.
9831         * pretty-print.h: Likewise.
9832         * wide-int-print.cc: Likewise.
9833         * wide-int.cc: Likewise.
9834         * hash-map-tests.c: Remove include of signop.h.
9835         * hash-set-tests.c: Likewise.
9836         * rtl-tests.c: Likewise.
9837         * mkconfig.sh: Remove include of machmode.h.
9838         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
9839         into...
9840         (emit_insn_modes_inline_h): ...this new function.  Emit the code
9841         into an insn-modes-inline.h header file, adding appropriate
9842         include guards and end comments.
9843         (emit_insn_modes_c_header): Remove include of machmode.h.
9844         (emit_min_insn_modes_c_header): Include coretypes.h rather than
9845         machmode.h.
9846         (main): Handle -i flag and call emit_insn_modes_inline_h when
9847         it is passed.
9848
9849 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9850
9851         * tree-ssa-strlen.c (strinfo): Rename the length field to
9852         nonzero_chars.  Add a full_string_p field.
9853         (compare_nonzero_chars, zero_length_string_p): New functions.
9854         (get_addr_stridx): Add an offset_out parameter.
9855         Use compare_nonzero_chars.
9856         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
9857         (new_strinfo): Update after above changes to strinfo.
9858         (set_endptr_and_length): Set full_string_p.
9859         (get_string_length): Update after above changes to strinfo.
9860         (unshare_strinfo): Update call to new_strinfo.
9861         (maybe_invalidate): Likewise.
9862         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
9863         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
9864         as a uhwi instead of an shwi.  Update after above changes to
9865         strinfo and new_strinfo.
9866         (zero_length_string): Assert that chainsi contains full strings.
9867         Use zero_length_string_p.  Update call to new_strinfo.
9868         (adjust_related_strinfos): Update after above changes to strinfo.
9869         Copy full_string_p from origsi.
9870         (adjust_last_stmt): Use zero_length_string_p.
9871         (handle_builtin_strlen): Update after above changes to strinfo and
9872         new_strinfo.  Install the lhs as the string length if the previous
9873         entry didn't describe a full string.
9874         (handle_builtin_strchr): Update after above changes to strinfo
9875         and new_strinfo.
9876         (handle_builtin_strcpy): Likewise.
9877         (handle_builtin_strcat): Likewise.
9878         (handle_builtin_malloc): Likewise.
9879         (handle_pointer_plus): Likewise.
9880         (handle_builtin_memcpy): Likewise.  Track nonzero characters
9881         that aren't necessarily followed by a nul terminator.
9882         (handle_char_store): Likewise.
9883
9884 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9885
9886         PR tree-optimization/80769
9887         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
9888         for malloc and calloc.  Document the new invariant that all related
9889         strinfos have delayed lengths or none do.
9890         (verify_related_strinfos): Move earlier in file.
9891         (set_endptr_and_length): New function, split out from...
9892         (get_string_length): ...here.  Also set the lengths of related
9893         strinfos.
9894         (zero_length_string): Assert that chainsi has known (rather than
9895         delayed) lengths.
9896         (adjust_related_strinfos): Likewise.
9897
9898 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9899
9900         PR tree-optimization/81136
9901         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
9902         assert that two references with the same misalignment have the same
9903         compile-time misalignment if those compile-time misalignments
9904         are known.
9905
9906 2017-07-01  Andi Kleen  <ak@linux.intel.com>
9907
9908         * print-tree.c (print_node): Print all attributes.
9909
9910 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9911
9912         * cfg.c (scale_bbs_frequencies): New function.
9913         * cfg.h (scale_bbs_frequencies): Declare it.
9914         * cfgloopanal.c (single_likely_exit): Cleanup.
9915         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
9916         as parameter.
9917         (scale_loop_profile): Likewise.
9918         (loop_version): Likewise.
9919         (create_empty_loop_on_edge): Update.
9920         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
9921         scale_loop_frequencies, scale_loop_profile, loopify,
9922         loop_version): Update prototypes.
9923         * modulo-sched.c (sms_schedule): Update.
9924         * predict.c (unlikely_executed_edge_p): Also check probability.
9925         (probably_never_executed_edge_p): Fix typo.
9926         * tree-if-conv.c (version_loop_for_if_conversion): Update.
9927         * tree-parloops.c (gen_parallel_loop): Update.
9928         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
9929         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
9930         * tree-ssa-loop-split.c (split_loop): Update.
9931         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
9932         * tree-vect-loop-manip.c (vect_do_peeling): Update.
9933         (vect_loop_versioning): Update.
9934         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
9935
9936 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9937
9938         * trans-mem.c (split_bb_make_tm_edge): Update profile.
9939
9940 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9941
9942         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
9943         to keep profile consistent.
9944
9945 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9946
9947         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
9948         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
9949         * profile-count.h (max_safe_multiplier): Make unsigned.
9950         (profile_count::guessed_zero): New.
9951
9952 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9953
9954         * bb-reorder.c (fix_up_crossing_landing_pad,
9955         fix_crossing_conditional_branches): Use make_single_succ_edge
9956         to keep profile consistent.
9957
9958 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9959
9960         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
9961         to update profile.
9962
9963 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
9964
9965         PR sanitizer/81262
9966         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
9967         the right scopes, make sure cond_jump isn't preserved between multiple
9968         iterations.  Search for fallthru edge whenever there are 3+ edges and
9969         use find_fallthru_edge for it.
9970
9971 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9972
9973         Patch by Alexander Monakov <amonakov@ispras.ru>
9974         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
9975         probabilities consistently.
9976
9977 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9978
9979         * pa.c (pa_expand_compare_and_swap_loop): Update call of
9980         emit_cmp_and_jump_insns.
9981
9982 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9983
9984         PR ipa/81261
9985         * tree-inline.c (expand_call_inline): Combine profile statuses.
9986
9987 2017-06-30  Andrew Pinski  <apinski@cavium.com>
9988
9989         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
9990         fold_stmt returned true.
9991
9992 2017-06-30  Nathan Sidwell  <nathan@acm.org>
9993
9994         * ggc.h (empty_string): Delete.
9995         * cfgexpand.c (expand_asm_stmt): Use plain "".
9996         * optabs.c (expand_asm_memory_barrier): Likewise.
9997         * stringpool.c (empty_string): Delete.
9998         (digit_vector, digit_string): Delete.
9999         (ggc_alloc_string): Use plain "", don't optimize single digit
10000         strings.  Use ggc_alloc_atomic.
10001
10002 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
10003
10004         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
10005         comparison set and one other set, use the cost of the non-comparison
10006         set.
10007
10008 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10009
10010         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
10011         some formatting.
10012
10013 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
10014
10015         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
10016         loops.  Remove now unneeded calls to gimple_switch_set_label() that
10017         just set removed labels to NULL_TREE.
10018
10019 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
10020
10021         * tree-ssanames.c (set_range_info_raw): Abstract from ...
10022         (set_range_info): ...here.  Only call set_range_info_raw if domain
10023         is useful.
10024         (set_nonzero_bits): Call set_range_info_raw.
10025         * tree-ssanames.h (set_range_info_raw): New.
10026
10027 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
10028
10029         PR target/81225
10030         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
10031         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
10032         of nonimmediate_operand and <store_mask_constraint> instead of m
10033         for the input operand.  For V8FI iterator, always split if input
10034         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
10035         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
10036         <store_mask_predicate> instead of register_operand and
10037         <store_mask_constraint> instead of v for the input operand.  Make
10038         sure both operands aren't MEMs for if not <mask_applied>.
10039
10040 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
10041
10042         * lto-wrapper.c (copy_file) Close both file descriptors before
10043         exiting normally.
10044
10045 2017-06-30  Martin Liska  <mliska@suse.cz>
10046
10047         PR ipa/81214
10048         * multiple_target.c (create_dispatcher_calls): Make ifunc
10049         also for function that don't have calls or are not referenced.
10050
10051 2017-06-30  Richard Biener  <rguenther@suse.de>
10052
10053         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
10054         analyze the first scalar stmt.  Move vector type computation
10055         for the BB case here from ...
10056         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
10057         live operation processing in the SLP case properly.
10058
10059 2017-06-30  Richard Biener  <rguenther@suse.de>
10060
10061         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
10062
10063 2017-06-30  Martin Liska  <mliska@suse.cz>
10064
10065         PR sanitizer/81021
10066         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
10067         before BUILT_IN_UNWIND_RESUME when ASAN is used.
10068
10069 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
10070
10071         * doc/invoke.texi (AArch64): Add missing options and remove redundant
10072         ones.
10073
10074 2017-06-30  Richard Biener  <rguenther@suse.de>
10075
10076         PR tree-optimization/81249
10077         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
10078         condition reduction result to original scalar type.
10079
10080 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10081
10082         * profile-count.h (enum profile_quality): Fix typos and whitespace
10083         issues.
10084
10085 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10086
10087         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
10088         type for branch probabilities.
10089
10090 2017-06-29  Julian Brown  <julian@codesourcery.com>
10091             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10092
10093         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
10094         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
10095         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
10096         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
10097
10098 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10099
10100         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
10101         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
10102         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
10103         CC usage from generic code to here.
10104         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
10105         CC usage into the target macros.
10106
10107 2017-06-29  Maya Rashish  <coypu@sdf.org>
10108
10109         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
10110         objects.
10111
10112 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10113
10114         * arm/arm-builtins.c: Include profile-count.h
10115         * except.c (sjlj_emit_function_enter): Use
10116         profile_probability::unlikely.
10117
10118 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10119
10120         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
10121         and tocrel_offset be pointer args rather than implicitly using
10122         static versions.
10123         (legitimate_constant_pool_address_p, rs6000_emit_move,
10124         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
10125         tocrel_offset and use in toc_relative_expr_p call.
10126         (print_operand, print_operand_address): Use static tocrel_base_oac
10127         and tocrel_offset_oac.
10128         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
10129         tocrel_offset_oac.
10130
10131 2017-06-29  Maya Rashish  <coypu@sdf.org>
10132
10133         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
10134
10135 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
10136
10137         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
10138         objects, take into account only the alignment of 'op0' and 'mode1' if
10139         'op0' is a MEM.
10140
10141 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
10142
10143         * ccmp.c (ccmp_tree_comparison_p): New function.
10144         (ccmp_candidate_p): Update to use above function.
10145         (get_compare_parts): New function.
10146         (expand_ccmp_next): Update to use new functions.
10147         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
10148         new functions.
10149         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
10150         take mode as argument.
10151         * ccmp.h (expand_ccmp_expr): Add mode as argument.
10152         * expr.c (expand_expr_real_1): Pass mode as argument.
10153
10154 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
10155
10156         * combine.c (combine_instructions): Print insns to dump_file, together
10157         with their costs.
10158
10159 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10160
10161         * asan.c (asan_emit_stack_protection): Update.
10162         (create_cond_insert_point): Update.
10163         * auto-profile.c (afdo_propagate_circuit): Update.
10164         * basic-block.h (struct edge_def): Turn probability to
10165         profile_probability.
10166         (EDGE_FREQUENCY): Update.
10167         * bb-reorder.c (find_traces_1_round): Update.
10168         (better_edge_p): Update.
10169         (sanitize_hot_paths): Update.
10170         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
10171         (make_single_succ_edge): Update.
10172         (check_bb_profile): Update.
10173         (dump_edge_info): Update.
10174         (update_bb_profile_for_threading): Update.
10175         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
10176         probabilitycount to 0.
10177         * cfgbuild.c (compute_outgoing_frequencies): Update.
10178         * cfgcleanup.c (try_forward_edges): Update.
10179         (outgoing_edges_match): Update.
10180         (try_crossjump_to_edge): Update.
10181         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
10182         (expand_gimple_tailcall): Update.
10183         (construct_init_block): Use make_single_succ_edge.
10184         (construct_exit_block): Use make_single_succ_edge.
10185         * cfghooks.c (verify_flow_info): Update.
10186         (redirect_edge_succ_nodup): Update.
10187         (split_edge): Update.
10188         (account_profile_record): Update.
10189         * cfgloopanal.c (single_likely_exit): Update.
10190         * cfgloopmanip.c (scale_loop_profile): Update.
10191         (set_zero_probability): Remove.
10192         (duplicate_loop_to_header_edge): Update.
10193         * cfgloopmanip.h (loop_version): Update prototype.
10194         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
10195         (force_nonfallthru_and_redirect): Update.
10196         (update_br_prob_note): Update.
10197         (rtl_verify_edges): Update.
10198         (purge_dead_edges): Update.
10199         (rtl_lv_add_condition_to_bb): Update.
10200         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
10201         * cgraphunit.c (init_lowered_empty_function): Update.
10202         (cgraph_node::expand_thunk): Update.
10203         * cilk-common.c: Include profile-count.h
10204         * dojump.c (inv): Remove.
10205         (jumpifnot): Update.
10206         (jumpifnot_1): Update.
10207         (do_jump_1): Update.
10208         (do_jump): Update.
10209         (do_jump_by_parts_greater_rtx): Update.
10210         (do_compare_rtx_and_jump): Update.
10211         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
10212         do_jump_1. do_compare_rtx_and_jump): Update prototype.
10213         * dwarf2cfi.c: Include profile-count.h
10214         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
10215         (sjlj_emit_dispatch_table): Likewise.
10216         * explow.c: Include profile-count.h
10217         * expmed.c (emit_store_flag_force): Update.
10218         (do_cmp_and_jump): Update.
10219         * expr.c (compare_by_pieces_d::generate): Update.
10220         (compare_by_pieces_d::finish_mode): Update.
10221         (emit_block_move_via_loop): Update.
10222         (store_expr_with_bounds): Update.
10223         (store_constructor): Update.
10224         (expand_expr_real_2): Update.
10225         (expand_expr_real_1): Update.
10226         * expr.h (try_casesi, try_tablejump): Update prototypes.
10227         * gimple-pretty-print.c (dump_probability): Update.
10228         (dump_profile): New.
10229         (dump_gimple_label): Update.
10230         (dump_gimple_bb_header): Update.
10231         * graph.c (draw_cfg_node_succ_edges): Update.
10232         * hsa-gen.c (convert_switch_statements): Update.
10233         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
10234         (find_if_case_1): Update.
10235         (find_if_case_2): Update.
10236         * internal-fn.c (expand_arith_overflow_result_store): Update.
10237         (expand_addsub_overflow): Update.
10238         (expand_neg_overflow): Update.
10239         (expand_mul_overflow): Update.
10240         (expand_vector_ubsan_overflow): Update.
10241         * ipa-cp.c (good_cloning_opportunity_p): Update.
10242         * ipa-split.c (split_function): Use make_single_succ_edge.
10243         * ipa-utils.c (ipa_merge_profiles): Update.
10244         * loop-doloop.c (add_test): Update.
10245         (doloop_modify): Update.
10246         * loop-unroll.c (compare_and_jump_seq): Update.
10247         (unroll_loop_runtime_iterations): Update.
10248         * lra-constraints.c (lra_inheritance): Update.
10249         * lto-streamer-in.c (input_cfg): Update.
10250         * lto-streamer-out.c (output_cfg): Update.
10251         * mcf.c (adjust_cfg_counts): Update.
10252         * modulo-sched.c (sms_schedule): Update.
10253         * omp-expand.c (expand_omp_for_init_counts): Update.
10254         (extract_omp_for_update_vars): Update.
10255         (expand_omp_ordered_sink): Update.
10256         (expand_omp_for_ordered_loops): Update.
10257         (expand_omp_for_generic): Update.
10258         (expand_omp_for_static_nochunk): Update.
10259         (expand_omp_for_static_chunk): Update.
10260         (expand_cilk_for): Update.
10261         (expand_omp_simd): Update.
10262         (expand_omp_taskloop_for_outer): Update.
10263         (expand_omp_taskloop_for_inner): Update.
10264         * omp-simd-clone.c (simd_clone_adjust): Update.
10265         * optabs.c (expand_doubleword_shift): Update.
10266         (expand_abs): Update.
10267         (emit_cmp_and_jump_insn_1): Update.
10268         (expand_compare_and_swap_loop): Update.
10269         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
10270         * predict.c (predictable_edge_p): Update.
10271         (edge_probability_reliable_p): Update.
10272         (set_even_probabilities): Update.
10273         (combine_predictions_for_insn): Update.
10274         (combine_predictions_for_bb): Update.
10275         (propagate_freq): Update.
10276         (estimate_bb_frequencies): Update.
10277         (force_edge_cold): Update.
10278         * profile-count.c (profile_count::dump): Add missing space into dump.
10279         (profile_count::debug): Add newline.
10280         (profile_count::differs_from_p): Explicitly convert to unsigned.
10281         (profile_count::stream_in): Update.
10282         (profile_probability::dump): New member function.
10283         (profile_probability::debug): New member function.
10284         (profile_probability::differs_from_p): New member function.
10285         (profile_probability::differs_lot_from_p): New member function.
10286         (profile_probability::stream_in): New member function.
10287         (profile_probability::stream_out): New member function.
10288         * profile-count.h (profile_count_quality): Rename to ...
10289         (profile_quality): ... this one.
10290         (profile_probability): New.
10291         (profile_count): Update.
10292         * profile.c (compute_branch_probabilities): Update.
10293         * recog.c (peep2_attempt): Update.
10294         * sched-ebb.c (schedule_ebbs): Update.
10295         * sched-rgn.c (find_single_block_region): Update.
10296         (compute_dom_prob_ps): Update.
10297         (schedule_region): Update.
10298         * sel-sched-ir.c (compute_succs_info): Update.
10299         * stmt.c (struct case_node): Update.
10300         (do_jump_if_equal): Update.
10301         (get_outgoing_edge_probs): Update.
10302         (conditional_probability): Update.
10303         (emit_case_dispatch_table): Update.
10304         (expand_case): Update.
10305         (expand_sjlj_dispatch_table): Update.
10306         (emit_case_nodes): Update.
10307         * targhooks.c: Update.
10308         * tracer.c (better_p): Update.
10309         (find_best_successor): Update.
10310         * trans-mem.c (expand_transaction): Update.
10311         * tree-call-cdce.c: Update.
10312         * tree-cfg.c (gimple_split_edge): Upate.
10313         (move_sese_region_to_fn): Upate.
10314         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
10315         * tree-eh.c (lower_resx): Upate.
10316         (cleanup_empty_eh_move_lp): Upate.
10317         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10318         * tree-inline.c (copy_edges_for_bb): Update.
10319         (copy_cfg_body): Update.
10320         * tree-parloops.c (gen_parallel_loop): Update.
10321         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
10322         (gimple_gen_time_profiler): Update.
10323         * tree-ssa-dce.c (remove_dead_stmt): Update.
10324         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
10325         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
10326         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
10327         (unloop_loops): Update.
10328         (try_peel_loop): Update.
10329         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10330         * tree-ssa-loop-split.c (connect_loops): Update.
10331         (split_loop): Update.
10332         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10333         (hoist_guard): Update.
10334         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
10335         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
10336         (value_replacement): Update.
10337         * tree-ssa-reassoc.c (branch_fixup): Update.
10338         * tree-ssa-tail-merge.c (replace_block_by): Update.
10339         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
10340         (create_edge_and_update_destination_phis): Update.
10341         (compute_path_counts): Update.
10342         (recompute_probabilities): Update.
10343         (update_joiner_offpath_counts): Update.
10344         (freqs_to_counts_path): Update.
10345         (duplicate_thread_path): Update.
10346         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
10347         (struct switch_conv_info): Update.
10348         (gen_inbound_check): Update.
10349         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
10350         (vect_do_peeling): Update.
10351         (vect_loop_versioning): Update.
10352         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10353         (optimize_mask_stores): Update.
10354         * ubsan.c (ubsan_expand_null_ifn): Update.
10355         * value-prof.c (gimple_divmod_fixed_value): Update.
10356         (gimple_divmod_fixed_value_transform): Update.
10357         (gimple_mod_pow2): Update.
10358         (gimple_mod_pow2_value_transform): Update.
10359         (gimple_mod_subtract): Update.
10360         (gimple_mod_subtract_transform): Update.
10361         (gimple_ic): Update.
10362         (gimple_stringop_fixed_value): Update.
10363         (gimple_stringops_transform): Update.
10364         * value-prof.h: Update.
10365
10366 2017-06-29  Carl Love  <cel@us.ibm.com>
10367
10368         * config/rs6000/rs6000-c.c: Add support for built-in functions
10369         vector signed int vec_signed (vector float);
10370         vector signed long long vec_signed (vector double);
10371         vector signed int vec_signed2 (vector double, vector double);
10372         vector signed int vec_signede (vector double);
10373         vector signed int vec_signedo (vector double);
10374         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
10375         instruction generator.
10376         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10377         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
10378         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
10379         Add define_insn.
10380         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
10381         vunsignede_v2df): Add define_expands.
10382         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
10383         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
10384         VEC_UNSIGNEDO): Add definitions.
10385         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10386         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
10387         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
10388         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
10389         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
10390         * config/rs6000/altivec.h (vec_signed, vec_signed2,
10391         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
10392         vec_unsignede, vec_unsignedo): Add builtin defines.
10393         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
10394         declaration.
10395         * doc/extend.texi: Update the built-in documentation file for the
10396         new built-in functions.
10397
10398 2017-06-29  Richard Biener  <rguenther@suse.de>
10399
10400         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
10401         reduction chains to LOOP_VINFO_REDUCTIONS.
10402         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
10403         SLP reductions after processing reduction chains.
10404
10405 2017-06-29  Nathan Sidwell  <nathan@acm.org>
10406
10407         * builtins.c (fold_builtin_FUNCTION): Use
10408         lang_hooks.decl_printable_name.
10409
10410 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
10411
10412         PR middle-end/81194
10413         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
10414         with only one label.
10415         * stmt.c (expand_case): Assert NCASES is greater than one.
10416
10417 2017-06-29  Richard Biener  <rguenther@suse.de>
10418
10419         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
10420         anything.
10421         (group_case_labels): Likewise.
10422         (find_taken_edge): Push sanity checking on val to workers...
10423         (find_taken_edge_cond_expr): ... here
10424         (find_taken_edge_switch_expr): ... and here, handle cases
10425         with just a default label.
10426         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
10427         (group_case_labels): Likewise.
10428         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
10429         group_case_labels does anything cleanup the CFG again.
10430
10431 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
10432
10433         PR tree-optimization/81196
10434         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
10435         exit condition comparing two IVs.
10436
10437 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
10438
10439         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
10440         profile to the dummy entry at the end of the list of architectures.
10441         * config/arm/arm-cpu-cdata.h: Regenerated.
10442
10443 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10444             Michael Collison <michael.collison@arm.com>
10445
10446         PR target/70119
10447         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
10448         New pattern.
10449         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
10450         (*aarch64_reg_<mode>3_minus_mask): New pattern.
10451         (*aarch64_<optab>_reg_di3_mask2): New pattern.
10452         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
10453         of shift when the shift amount is masked with constant equal to
10454         the size of the mode.
10455         * config/aarch64/predicates.md (subreg_lowpart_operator): New
10456         predicate.
10457
10458 2017-06-29  Martin Liska  <mliska@suse.cz>
10459
10460         * config/i386/i386.opt: Change range from [1,5] to [0,5].
10461
10462 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
10463
10464         PR bootstrap/80565
10465         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
10466         code.
10467         * ipa-inline.h
10468         (edge_growth_cache_entry::edge_growth_cache_entry): New
10469         function.
10470         (reset_edge_growth_cache): Update to use constructor.
10471
10472 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10473
10474         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
10475         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10476         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
10477
10478 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
10479
10480         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
10481         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
10482
10483 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
10484
10485         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
10486         (*-linux-uclibc*): Add t-uclibc tmake_file.
10487         * config/t-musl: New.
10488         * config/t-uclibc: New.
10489
10490 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
10491
10492         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
10493         context.
10494         (gen_comm_data): Emit architectural setting of arch_prof.
10495         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
10496         profile.
10497         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
10498         (armv8-m.base, armv8-m.main): Likewise.
10499         * arm-protos.h (arm_build_target): Add profile field.
10500         (arch_option): Likewise.
10501         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
10502         the active target.
10503         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
10504         arm_active_target.profile.
10505
10506 2017-06-28  Richard Biener  <rguenther@suse.de>
10507
10508         PR middle-end/81227
10509         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
10510         TYPE_OVERFLOW_WRAPS.
10511         * match.pd (negate_expr_p): Likewise.
10512         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
10513         fold_build2, not fold_binary.
10514
10515 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10516
10517         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
10518         Convert memory address to Pmode.
10519         (aarch64_print_operand): Assert MEM operands are always Pmode.
10520
10521 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
10522
10523         PR target/79665
10524         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
10525         Remove redundant if.
10526         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
10527         * config/arm/aarch-common-protos.h
10528         (aarch_forward_to_shift_is_not_shifted_re): Remove.
10529         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
10530
10531 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
10532
10533         PR ipa/81238
10534         * multiple_target.c (create_dispatcher_calls): Set the default
10535         clone to be static, not public.
10536
10537 2017-06-28  Richard Biener  <rguenther@suse.de>
10538
10539         * tree-vect-loop.c (vectorizable_reduction): Move special
10540         cond reduction IV var creation ...
10541         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
10542         parameter.  Use STMT_VINFO_VECTYPE.
10543         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
10544         constant_p.
10545
10546 2017-06-28  Martin Liska  <mliska@suse.cz>
10547
10548         PR ipa/81128
10549         * ipa-visibility.c (non_local_p): Handle visibility.
10550
10551 2017-06-28  Martin Liska  <mliska@suse.cz>
10552
10553         PR driver/79659
10554         * common.opt: Add IntegerRange to various options.
10555         * opt-functions.awk (integer_range_info): New function.
10556         * optc-gen.awk: Add integer_range_info to cl_options struct.
10557         * opts-common.c (decode_cmdline_option): Handle
10558         CL_ERR_INT_RANGE_ARG.
10559         (cmdline_handle_error): Likewise.
10560         * opts.c (print_filtered_help): Show valid interval in
10561         when --help is provided.
10562         * opts.h (struct cl_option): Add range_min and range_max fields.
10563         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
10564
10565 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
10566
10567         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
10568         (x * C EQ/NE y * C): New transformation.
10569
10570 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
10571
10572         * genmultilib (combination_space): Accept '+' in option names.
10573
10574 2017-06-28  Martin Liska  <mliska@suse.cz>
10575
10576         PR sanitizer/81224
10577         * asan.c (instrument_derefs): Bail out inner references
10578         that are hard register variables.
10579
10580 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
10581
10582         PR target/81175
10583         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
10584         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
10585
10586 2017-06-28  Richard Biener  <rguenther@suse.de>
10587
10588         * tree-vectorizer.h (vect_get_vec_defs): Remove.
10589         (vect_get_slp_defs): Adjust.
10590         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
10591         out from ...
10592         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
10593         simplify.
10594         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
10595         get_initial_defs_for_reduction instead of vect_get_vec_defs.
10596         (vectorizable_reduction): Adjust.
10597         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
10598         handling.
10599         (vect_get_slp_defs): Likewise.
10600         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
10601         (vectorizable_bswap): Adjust.
10602         (vectorizable_call): Likewise.
10603         (vectorizable_conversion): Likewise.
10604         (vectorizable_assignment): Likewise.
10605         (vectorizable_shift): Likewise.
10606         (vectorizable_operation): Likewise.
10607         (vectorizable_store): Likewise.
10608         (vectorizable_condition): Likewise.
10609         (vectorizable_comparison): Likewise.
10610
10611 2017-06-28  Michael Collison  <michael.collison@arm.com>
10612
10613         PR target/68535
10614         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
10615         set of base_reg
10616         (arm_gen_movmemqi): Removed unused variable 'i'.
10617         Convert 'for' loop into 'while' loop.
10618         (arm_expand_prologue): Remove last unnecessary set of insn.
10619         (thumb_pop): Remove unused variable 'pushed_words'.
10620         (thumb_exit): Remove last unnecessary set of regs_to_pop.
10621
10622 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10623
10624         * config/s390/predicates.md: Use s390_rel_address_ok_p.
10625         * config/s390/s390-protos.h: Add prototype of
10626         s390_rel_address_ok_p.
10627         * config/s390/s390.c (s390_got_symbol): New function.
10628         (s390_rel_address_ok_p): New function.
10629         (legitimize_pic_address): Use s390_rel_address_ok_p.
10630         (s390_load_got): Use s390_got_symbol.
10631         (s390_option_override): Issue error if
10632         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
10633         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
10634         New macro.
10635         * config/s390/s390.opt: New option mpic-data-is-text-relative.
10636
10637 2017-06-27  Andrew Pinski  <apinski@cavium.com>
10638
10639         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
10640         (X * copysign (1.0, X)): New pattern.
10641         (X * copysign (1.0, -X)): New pattern.
10642         (copysign (-1.0, CST)): New pattern.
10643
10644 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
10645
10646         * genmultilib (combination_space): Remove variable.
10647         Validate reuse rules against regular expression for any sequence
10648         of multilib options in any order.
10649
10650 2017-06-27  Michael Collison  <michael.collison@arm.com>
10651
10652         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
10653         call aarch64_split_simd_combine.
10654         * (aarch64_combine_internal<mode>): Delete pattern.
10655         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
10656         Allow register and subreg operands.
10657
10658 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10659
10660         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
10661         specific need, just fallback on defaults.
10662         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
10663
10664 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10665             Olivier Hainque  <hainque@adacore.com>
10666
10667         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
10668         map for 64bits.
10669         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
10670         targets. Pick a default if no particular attempt applied.
10671         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
10672         larger contexts.
10673
10674 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10675
10676         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
10677         (x86_64-wrs-vxworks7): Likewise.
10678
10679 2017-06-27  Marek Polacek  <polacek@redhat.com>
10680
10681         PR sanitizer/81223
10682         * ubsan.c (instrument_null): Check get_base_address's result for null.
10683
10684 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
10685
10686         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
10687
10688 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
10689
10690         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
10691         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
10692         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
10693         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
10694         New function types.
10695         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
10696         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
10697         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
10698         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
10699         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
10700         BUILT_IN_FEUPDATEENV): New builtins.
10701         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
10702         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
10703         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
10704         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
10705         macros.
10706         (builtin_structptr_types): Adjust size.
10707         * tree.c (builtin_structptr_types): Add four entries.
10708
10709 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10710             Olivier Hainque  <hainque@adacore.com>
10711
10712         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
10713         (TLS_SYM): New local macro, forcing reference to __tls__ on
10714         link command lines for VxWorks 7 RTPs, triggering initialization
10715         of tlsLib.
10716         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
10717         OS features TLS support, true for RTPs on VxWorks 7.
10718         * config/vxworks.c (vxworks_override_options): Setup emutls
10719         accordingly.
10720
10721 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
10722
10723         * predict.c (test_prediction_value_range): Use -1U instead of -1
10724         to avoid narrowing conversion warning.
10725         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
10726         to avoid narrowing conversion warning.
10727         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
10728         -1.
10729         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
10730
10731 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10732
10733         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
10734         64bit configurations.
10735         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
10736         (SIZE_TYPE): Likewise.
10737         * config/vxworks.c (vxworks_emutls_var_fields): Use
10738         long_unsigned_type_node instead of unsigned_type_node as the offset
10739         field type, which is "pointer" mode in emutls.c.
10740
10741 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
10742
10743         PR sanitizer/81209
10744         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
10745
10746         PR middle-end/81207
10747         * gimple-fold.c (replace_call_with_call_and_fold): Handle
10748         gimple_vuse copying separately from gimple_vdef copying.
10749
10750 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10751
10752         * value-prof.c (free_hist): Remove call to memset and the enclosing if
10753         condition.
10754
10755 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
10756             Olivier Hainque  <hainque@adacore.com>
10757
10758         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
10759         for all vxworks7 targets.
10760         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
10761         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
10762         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
10763         variations for VX6/VX7 and 32/64bits later on in ...
10764         (VXWORKS_LIB_SPEC): Leverage new macros.
10765         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
10766         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
10767
10768 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
10769
10770         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
10771         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
10772
10773 2017-06-26  Carl Love  <cel@us.ibm.com>
10774
10775         * config/rs6000/rs6000-c.c: Add support for built-in functions
10776         vector bool char vec_reve (vector bool char);
10777         vector signed char vec_reve (vector signed char);
10778         vector unsigned char vec_reve (vector unsigned char);
10779         vector bool int vec_reve (vector bool int);
10780         vector signed int vec_reve (vector signed int);
10781         vector unsigned int vec_reve (vector unsigned int);
10782         vector bool long long vec_reve (vector bool long long);
10783         vector signed long long vec_reve (vector signed long long);
10784         vector unsigned long long vec_reve (vector unsigned long long);
10785         vector bool short vec_reve (vector bool short);
10786         vector signed short vec_reve (vector signed short);
10787         vector double vec_reve (vector double);
10788         vector float vec_reve (vector float);
10789         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
10790         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
10791         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
10792         (altivec_vreve): New pattern.
10793         * config/rs6000/altivec.h (vec_reve): New define.
10794         * doc/extend.texi (vec_rev): Update the built-in documentation file
10795         for the new built-in functions.
10796
10797 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10798
10799         PR tree-optimization/71815
10800         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
10801         function.
10802         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
10803         has_single_use.
10804         (slsr_process_phi): Likewise.
10805         (replace_uncond_cands_and_profitable_phis): Don't replace a
10806         multiply candidate with a stride of 1 (copy or cast).
10807         (phi_incr_cost): Call uses_consumed_by_stmt rather than
10808         has_single_use.
10809         (lowest_cost_path): Likewise.
10810         (total_savings): Likewise.
10811
10812 2017-06-26  Richard Biener  <rguenther@suse.de>
10813
10814         PR target/81175
10815         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
10816         Use def_builtin_pure for all gather builtins.
10817
10818 2017-06-26  Richard Biener  <rguenther@suse.de>
10819
10820         PR tree-optimization/81203
10821         * tree-tailcall.c (find_tail_calls): Do not move stmts into
10822         non-dominating BBs.
10823
10824 2017-06-26  Marek Polacek  <polacek@redhat.com>
10825
10826         PR c/80116
10827         * doc/invoke.texi: Document -Wmultistatement-macros.
10828
10829 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
10830
10831         * doc/sourcebuild.texi (ARM-specific attributes): Document new
10832         arm_neon_ok_no_float_abi effective target.
10833
10834 2017-06-26  Richard Biener  <rguenther@suse.de>
10835
10836         PR tree-optimization/80928
10837         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
10838         (copy_bbs): Set BB_DUPLICATED flag early.
10839         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
10840         marked blocks.
10841         (execute_on_shrinking_pred): Likewise.
10842         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
10843         BB_DUPLICATED blocks.
10844         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
10845         iterate over all PHIs considering removal of *gsi.
10846
10847 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
10848
10849         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
10850         qdf24xx.
10851
10852 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10853
10854         * config/rs6000/rs6000-string.c: (expand_block_clear,
10855         do_load_for_compare, select_block_compare_mode,
10856         compute_current_alignment, expand_block_compare,
10857         expand_strncmp_align_check, expand_strn_compare,
10858         expand_block_move, rs6000_output_load_multiple)
10859         Move functions related to string/block move/compare
10860         to a separate file.
10861         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
10862         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
10863         for this function which is now used in two files.
10864         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
10865         * config.gcc: Add rs6000-string.o to extra_objs for
10866         targets powerpc*-*-* and rs6000*-*-*.
10867
10868 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10869
10870         PR target/80510
10871         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
10872         32-bit, since indexed is not valid for DImode.
10873         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
10874         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
10875         (define_peephole2 for Altivec d-form load): Add 32-bit support.
10876         (define_peephole2 for Altivec d-form store): Likewise.
10877
10878         PR ipa/81185
10879         * multiple_target.c (create_dispatcher_calls): Only create the
10880         dispatcher call if the function is the default clone of a
10881         versioned function.
10882
10883 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
10884
10885         PR middle-end/80902
10886         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
10887         a call, force the call to not be a tail call.
10888
10889 2017-06-23  Jeff Law  <law@redhat.com>
10890
10891         * doc/contrib.texi: Add entry for Steven Pemberton's work on
10892         enquire.
10893
10894 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
10895
10896         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
10897         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
10898         handling for early expansion of vector shifts (sl,sr,sra,rl).
10899         (builtin_function_type): Add vector shift right instructions
10900         to the unsigned argument list.
10901
10902 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10903
10904         rtl-optimizatoin/79286
10905         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
10906         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
10907         trap.  PIC register plus a const unspec without offset can never trap.
10908
10909 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
10910
10911         * tree.h (builtin_structptr_type): New type.
10912         (builtin_structptr_types): Declare new array.
10913         * tree.c (builtin_structptr_types): New array.
10914         (free_lang_data, build_common_tree_nodes): Use it.
10915
10916 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
10917
10918         PR c++/81187
10919         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
10920         -Wnoexcept.
10921
10922 2017-06-22  Matt Turner  <mattst88@gmail.com>
10923
10924         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
10925         Lake models to skylake case.  Assume skylake for unknown
10926         models with clflushopt.
10927
10928 2017-06-22  Jeff Law  <law@redhat.com>
10929
10930         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
10931         frame sizes that do not satisfy aarch64_uimm12_shift.
10932
10933 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
10934
10935         * profile-count.h (apply_probability,
10936         apply_scale, probability_in): Fix checks for zero.
10937
10938 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10939
10940         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
10941         * doc/cppdiropts.texi (-I @var{dir}): Document it.
10942
10943 2016-06-22  Richard Biener  <rguenther@suse.de>
10944
10945         * tree-vect-loop.c (vect_model_reduction_cost): Handle
10946         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
10947         REDUC_MAX_EXPR support.
10948         (vectorizable_reduction): Likewise.
10949         (vect_create_epilog_for_reduction): Likewise.
10950
10951 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
10952
10953         * match.pd (A / (1 << B) -> A >> B): New.
10954         * generic-match-head.c: Include optabs-tree.h.
10955         * gimple-match-head.c: Likewise.
10956         * optabs-tree.h (target_supports_op_p): New.
10957         * optabs-tree.c (target_supports_op_p): New.
10958
10959 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10960
10961         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
10962         $gcc_cv_ld --help output.
10963         (gcc_cv_ld_demangle): Likewise.
10964         (gcc_cv_ld_eh_frame_hdr): Likewise.
10965         (gcc_cv_ld_pie): Likewise.
10966         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
10967         (gcc_cv_ld_buildid): Likewise.
10968         (gcc_cv_ld_sysroot): Likewise.
10969         (ld_bndplt_support): Likewise.
10970         (ld_pushpopstate_support): Likewise.
10971         * configure: Regenerate.
10972         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
10973
10974 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
10975
10976         PR target/81151
10977         * config/i386/sse.md (round<mode>2): Renumber match_dup and
10978         operands indexes to avoid gap between operands and match_dups.
10979
10980 2017-06-21  Andrew Pinski  <apinski@cavium.com>
10981
10982         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
10983         Increment Arith_shift and Arith_shift_reg by 1.
10984         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
10985         New tuning flag.
10986         * config/aarch64/aarch64.c (thunderx_tunings): Enable
10987         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
10988         (aarch64_strip_extend): Add new argument and test for it.
10989         (aarch64_cheap_mult_shift_p): New function.
10990         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
10991         add a cost if it is true.
10992         Update calls to aarch64_strip_extend.
10993         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
10994
10995 2017-06-21  Andrew Pinski  <apinski@cavium.com>
10996
10997         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
10998         tunings.
10999         (thunderxt88): Likewise.
11000         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
11001         (thunderx_prefetch_tune): New variable.
11002         (thunderx2t99_prefetch_tune): Update for the correct values.
11003         (thunderxt88_tunings): New variable.
11004         (thunderx_tunings): Use thunderx_prefetch_tune instead of
11005         generic_prefetch_tune.
11006         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
11007
11008 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11009
11010         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
11011         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
11012         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
11013         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
11014         (aarch64_atomic_cas<mode>, GPI): Likewise.
11015
11016 2017-06-21  Martin Liska  <mliska@suse.cz>
11017
11018         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
11019         statements on cold and hot labels.
11020         * predict.c (tree_estimate_probability_bb): Remove the
11021         prediction from this place.
11022
11023 2017-06-21  Martin Liska  <mliska@suse.cz>
11024
11025         PR tree-optimization/79489
11026         * gimplify.c (maybe_add_early_return_predict_stmt): New
11027         function.
11028         (gimplify_return_expr): Call the function.
11029         * predict.c (tree_estimate_probability_bb): Remove handling
11030         of early return.
11031         * predict.def: Update comment about early return predictor.
11032         * gimple-predict.h (is_gimple_predict): New function.
11033         * predict.def: Change default value of early return to 66.
11034         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
11035         statements.
11036         * passes.def: Put pass_strip_predict_hints to the beginning of
11037         IPA passes.
11038
11039 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
11040
11041         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
11042         FUNCTION_DECL declarations.
11043         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
11044         declarations.
11045         (dwaf2out_decl): Likewise.
11046         * godump.c (go_early_global_decl): Skip call to the real debug hook
11047         for FUNCTION_DECL declarations.
11048         * passes.c (rest_of_decl_compilation): Skip call to the
11049         early_global_decl debug hook for FUNCTION_DECL declarations, unless
11050         -fdump-go-spec is passed.
11051
11052 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11053
11054         * config/i386/i386.c (struct builtin_isa): New field pure_p.
11055         Reorder for compactness.
11056         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
11057         (def_builtin_pure, def_builtin_pure2): New functions.
11058         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
11059
11060 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11061
11062         * match.pd (nop_convert): New predicate.
11063         ((A +- CST1) +- CST2): Allow some NOP conversions.
11064
11065 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11066
11067         PR c++/81130
11068         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
11069         with ctors/dtors if GOVD_SHARED is set.
11070
11071 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11072
11073         * config/aarch64/aarch64.md (movti_aarch64):
11074         Emit mov rather than orr.
11075         (movtf_aarch64): Likewise.
11076         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
11077         Emit mov rather than orr.
11078
11079 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11080
11081         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
11082         Swap alternatives, make integer dup more expensive.
11083
11084 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11085
11086         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
11087         Return true for non-tls symbols.
11088
11089 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
11090
11091         * config/aarch64/aarch64-cores.def (cortex-a55): New.
11092         (cortex-a75): Likewise.
11093         (cortex-a75.cortex-a55): Likewise.
11094         * config/aarch64/aarch64-tune.md: Regenerate.
11095         * doc/invoke.texi (-mtune): Document new values for -mtune.
11096
11097 2017-06-21  Tom de Vries  <tom@codesourcery.com>
11098
11099         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
11100         stack_size feature.
11101         (Effective-Target Keywords, Other attributes): Suggest using
11102         dg-add-options stack_size feature to get stack limit in stack_size
11103         effective target documentation.
11104
11105 2017-06-21  Julian Brown  <julian@codesourcery.com>
11106             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11107
11108         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
11109         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
11110         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
11111         reservation.
11112         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
11113         attribute type list for neon_multiply.
11114         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
11115         attribute type list for neon_multiply.
11116         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
11117         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
11118         attribute type list for neon_multiply.
11119         * config/arm/types.md (crypto_pmull): Add.
11120         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
11121         attribute type list.
11122
11123 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
11124
11125         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
11126         arm1176jzf-s.
11127
11128 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11129
11130         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
11131         to make sure not to dereference a NULL cost_classes_ptr pointer.
11132
11133 2017-06-20  Carl Love  <cel@us.ibm.com>
11134
11135         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11136         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
11137         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
11138         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
11139         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
11140         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
11141         VMULOSW): New enum "unspec" values.
11142         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
11143         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
11144         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
11145         altivec_vmulosw): New patterns.
11146         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
11147         VMULOSW): Add definitions.
11148
11149 2017-06-20  Julia Koval  <julia.koval@intel.com>
11150
11151         * config/i386/i386.c: Fix rounding expand for new pattern.
11152         * config/i386/subst.md: Fix pattern (parallel -> unspec).
11153
11154 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11155
11156         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
11157         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
11158
11159 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11160
11161         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
11162         feature string.
11163
11164 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11165
11166         * config/aarch64/aarch64-cores.def: Rearrange to sort by
11167         architecture, then by implementer ID.
11168         * config/aarch64/aarch64-tune.md: Regenerate.
11169
11170 2017-06-20  Richard Biener  <rguenther@suse.de>
11171
11172         PR middle-end/81097
11173         * fold-const.c (split_tree): Fold to type before negating.
11174
11175 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
11176
11177         * diagnostic-show-locus.c
11178         (selftest::test_fixit_deletion_affecting_newline): New function.
11179         (selftest::diagnostic_show_locus_c_tests): Call it.
11180
11181 2017-06-20  Andreas Schwab  <schwab@suse.de>
11182
11183         PR target/80970
11184         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
11185         instead of "+d".
11186
11187 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
11188
11189         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
11190         __ARM_FEATURE_COPROC according to support.
11191
11192 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11193
11194         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11195         Rewritten to avoid overflow for > 32-bit pointers.
11196
11197         PR sanitizer/81125
11198         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
11199         by removing enum keyword.
11200         (ubsan_type_descriptor): Likewise.  Formatting fix.
11201
11202         PR target/81121
11203         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
11204         splitter): Require TARGET_SSE2 in the condition.
11205
11206 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
11207
11208         PR target/79799
11209         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
11210         for doing vector set of SFmode on ISA 3.0.
11211         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
11212         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
11213         element.
11214         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
11215         SFmode value into a V4SF variable that was extracted from another
11216         V4SF variable without converting the element to double precision
11217         and back to single precision vector format.
11218         (vsx_insert_extract_v4sf_p9_2): Likewise.
11219
11220 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
11221
11222         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
11223         in UWHI to avoid undefined overflow.
11224
11225         PR sanitizer/81125
11226         * ubsan.h (enum ubsan_encode_value_phase): New.
11227         (ubsan_encode_value): Change second argument to
11228         enum ubsan_encode_value_phase with default value of
11229         UBSAN_ENCODE_VALUE_GENERIC.
11230         * ubsan.c (ubsan_encode_value): Change second argument to
11231         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
11232         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
11233         create_tmp_var_raw instead of create_tmp_var and use a
11234         TARGET_EXPR.
11235         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
11236         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
11237         ubsan_encode_value callers.
11238
11239         PR sanitizer/81111
11240         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
11241         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
11242         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
11243
11244 2017-06-19  Richard Biener  <rguenther@suse.de>
11245
11246         PR middle-end/81118
11247         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
11248         estimates if we changed anything.
11249
11250 2017-06-19  Richard Biener  <rguenther@suse.de>
11251
11252         PR tree-optimization/80887
11253         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
11254         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
11255         simplified lookups, then reset mprts_hook.
11256         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
11257         simplifying.
11258         (try_to_simplify): Likewise.
11259
11260 2017-06-19  Martin Liska  <mliska@suse.cz>
11261
11262         PR sanitizer/80879
11263         * gimplify.c (gimplify_switch_expr):
11264         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
11265
11266 2017-06-19  Martin Liska  <mliska@suse.cz>
11267
11268         * doc/install.texi: Document that PGO runs in 4 stages.
11269
11270 2017-06-19  Martin Liska  <mliska@suse.cz>
11271
11272         PR ipa/80732
11273         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
11274         to dispatcher function name.
11275         * multiple_target.c (replace_function_decl): New function.
11276         (create_dispatcher_calls): Redirect both edges and references.
11277
11278 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
11279
11280         * profile-count.c (profile_count::dump): Dump quality.
11281         (profile_count::differs_from_p): Update for unsigned val.
11282         * profile-count.h (profile_count_quality): New enum.
11283         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
11284
11285 2017-06-19  Richard Biener  <rguenther@suse.de>
11286
11287         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
11288         struct function as arg.
11289         (estimate_numbers_of_iterations): Export overload with loop arg.
11290         (free_numbers_of_iterations_estimates_loop): Use an overload of
11291         free_numbers_of_iterations_estimates instead.
11292         * tree-cfg.c (remove_bb): Adjust.
11293         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
11294         * tree-parloops.c (gen_parallel_loop): Likewise.
11295         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
11296         Likewise.
11297         (tree_unroll_loops_completely): Likewise.
11298         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
11299         Use an overload instead and export.
11300         (estimated_loop_iterations): Adjust.
11301         (max_loop_iterations): Likewise.
11302         (likely_max_loop_iterations): Likewise.
11303         (estimate_numbers_of_iterations): Take struct function as arg
11304         and adjust.
11305         (loop_exits_before_overflow): Adjust.
11306         (free_numbers_of_iterations_estimates_loop): Use an overload.
11307         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
11308         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
11309
11310 2017-06-19  Richard Biener  <rguenther@suse.de>
11311
11312         PR ipa/81112
11313         * ipa-prop.c (find_constructor_constant_at_offset): Handle
11314         RANGE_EXPR conservatively.
11315
11316 2017-06-16  Carl Love  <cel@us.ibm.com>
11317
11318         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11319         definitions for vec_float, vec_float2, vec_floato,
11320         vec_floate built-ins.
11321         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
11322         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
11323         floate.
11324         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
11325         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
11326         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
11327         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
11328         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
11329         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
11330         vec_floato): Add builtin defines.
11331         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
11332         Update the built-in documentation file for the new built-in
11333         functions.
11334
11335 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11336
11337         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
11338         (mthumb): Mark as the negative of -marm.
11339
11340 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11341
11342         * doc/invoke.texi (ARM Options, -mcpu): Document supported
11343         extension options.
11344         (ARM Options, -mtune): Document that this accepts the same
11345         extension options as -mcpu.
11346         (ARM Options, -mfpu): Document addition of -mfpu=auto.
11347
11348 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11349
11350         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
11351         permitted extensions.
11352
11353 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11354
11355         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
11356         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
11357         (armv8-m.main): Add option +nodsp.
11358         * config/arm/arm-cpu-cdata.h: Regenerated.
11359
11360 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11361
11362         * config/arm/t-fuchsia: New file.
11363         * config.gcc (arm*-*-fuchsia*): Use it.
11364
11365 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11366
11367         * config/arm/t-symbian: Rewrite for new option infrastructure.
11368
11369 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11370
11371         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
11372         (MULTILIB_REQUIRED): Likewise.
11373
11374 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11375
11376         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
11377         (MULTILIB_RESUE): Likewise.
11378         (MULTILIB_MATCHES): Likewise.
11379         (MULTLIB_REQUIRED): Likewise.
11380
11381 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11382
11383         * config/arm/t-rtems: Rewrite for new option framework.
11384
11385 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11386
11387         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
11388         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
11389         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
11390         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
11391         * config/arm/t-multilib: ... here.
11392         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
11393         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
11394         armv7-a and armv8*-a when A-profile libraries have not been built.
11395         * config/arm/t-rmprofile: Rewrite.
11396
11397 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11398
11399         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
11400         with a backslash.  Remove the backslash after substituting unescaped
11401         periods.
11402         * doc/fragments.texi (MULTILIB_REUSE): Document it.
11403
11404 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11405
11406         * config.gcc: (arm*-*-*): When building a-profile libraries, force
11407         the driver to pass through the default setting of -mfloat-abi.
11408         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
11409         rather than NULL.
11410         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
11411         (all_feat_combs): New rule.
11412         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
11413         default libraries.
11414         * config/arm/t-aprofile: Rewrite.
11415
11416 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11417
11418         * config/arm/arm.h (FPUTYPE_AUTO): Define.
11419         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
11420         fpu is not specified by the user/command-line.
11421         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
11422         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
11423         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
11424         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
11425         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
11426         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
11427
11428 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11429
11430         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
11431         * config/arm/t-arm-elf: Rewritten.
11432
11433 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11434
11435         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
11436         have some floating-point instructions.
11437         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
11438         (TARGET_MAYBE_HARD_FLOAT): New macro.
11439         * config/arm/arm-builtins.c (arm_init_builtins): Use
11440         TARGET_MAYBE_HARD_FLOAT.
11441         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
11442
11443 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11444
11445         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
11446         (configargs.h): Include it.
11447         (arm_print_hint_for_fpu_option): New function.
11448         (arm_parse_fpu_option): New function.
11449         (candidate_extension): New class.
11450         (arm_canon_for_multilib): New function.
11451         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
11452         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
11453         (ARCH_CANONICAL_SPECS): New macro.
11454         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
11455
11456 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11457
11458         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
11459         are set after handling multilib fragments.  Set target_cpu_default2
11460         from with_cpu.
11461
11462 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11463
11464         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
11465         cpu name.
11466         (arm*-*-*): Set target_cpu_default2 to a quoted string.
11467         * config/arm/parsecpu.awk (check_cpu): Validate any extension
11468         options.
11469         (check_arch): Likewise.
11470         * config/arm/arm.c (arm_configure_build_target): Handle
11471         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
11472         options in the default.
11473
11474 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11475
11476         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
11477         when an option is an alias of another.
11478         * config/arm/parsecpu.awk (optalias): New parser token.
11479         (gen_comm_data): Mark non-alias options as such.  Emit entries
11480         for extension aliases.
11481         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
11482         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
11483         (armv6kz, armv6zk, armv6t2): Likewise.
11484         (armv7): Make vfpv3-d16 an alias.
11485         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
11486         canonical order.
11487         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
11488         Sort in canonical order.
11489         (armv8-a): Sort in canonical order.
11490         (armv8.1-a, armv8.2-a):  Likewise.
11491         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
11492         canonical order.
11493         (cortex-a9): Sort in canonical order.
11494         * config/arm/arm.c (selftests.h): Include it.
11495         (arm_test_cpu_arch_data): New function.
11496         (arm_run_self_tests): New function.
11497         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
11498         (targetm): Move declaration to the end of the file.
11499         * arm-cpu-cdata.h: Regenerated.
11500
11501 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11502
11503         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
11504         call to target_mode_check describing the type of option passed.
11505         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
11506         (arm_target_thumb_only): Use arm_parse_arch_option_name or
11507         arm_parse_cpu_option_name to match parameters against list of
11508         available targets.
11509         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
11510         arm_arch_core_flags data structure.
11511         * config/arm/arm-cpu_cdata.h: Regenerated.
11512
11513 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11514
11515         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
11516         config/arm/arm.c.
11517         (arm_print_hint_for_cpu_option): Likewise.
11518         (arm_print_hint_for_arch_option): Likewise.
11519         (arm_parse_cpu_option_name): Likewise.
11520         (arm_parse_arch_option_name): Likewise.
11521         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
11522         of entries in the all_fpus list.
11523         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
11524         (arm_parse_cpu_option_name): Declare.
11525         (arm_parse_arch_option_name): Declare.
11526         (arm_parse_option_features): Declare.
11527         (arm_intialize_isa): Declare.
11528         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
11529         data tables to ...
11530         (gen_comm_data): ... here.  Make definitions non-static.
11531         * config/arm/arm-cpu-data.h: Regenerated.
11532         * config/arm/arm-cpu-cdata.h: Regenerated.
11533
11534 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11535
11536         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
11537         (cpu_arch_extension): New structure.
11538         (cpu_arch_option, arch_option, cpu_option): New structures.
11539         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
11540         architecture types.
11541         (gen_data): Generate new format data tables.
11542         * config/arm/arm.c (cpu_tune): New structure.
11543         (cpu_option, processors): Delete.
11544         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
11545         (arm_print_hint_for_cpu_option): ... this and ...
11546         (arm_print_hint_for_arch_option): ... this.
11547         (arm_parse_arch_cpu_name): Delete.  Replace with ...
11548         (arm_parse_cpu_option_name): ... this and ...
11549         (arm_parse_arch_option_name): ... this.
11550         (arm_unrecognized_feature): Change type of target parameter to
11551         cpu_arch_option.
11552         (arm_parse_arch_cpu_features): Delete.  Replace with ...
11553         (arm_parse_option_features): ... this.
11554         (arm_configure_build_target): Rework to use new configuration data
11555         tables.
11556         (arm_print_tune_info): Rework for new configuration data tables.
11557         * config/arm/arm-cpu-data.h: Regenerated.
11558         * config/arm/arm-cpu.h: Regenerated.
11559
11560 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11561
11562         * Makefile.in (OBJS): Move sbitmap.o from here ...
11563         (OBJS-libcommon): ... to here.
11564
11565 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11566
11567         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
11568         (ISA_ALL_CRYPTO): New macro.
11569         (ISA_ALL_SIMD): New macro
11570         (ISA_ALL_FP): New macro.
11571         * config/arm/arm.c (fpu_bitlist): Update initializer.
11572         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
11573         simd or fp.
11574         (arm9e): Add fpu.  Add option for nofp
11575         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
11576         (arm926ej-s, arm1026ej-s): Likewise.
11577         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
11578         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
11579         neon-fp16, neon-vfpv4, nofp and nosimd.
11580         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
11581         (cortex-a8): Add fpu.  Add option for nofp.
11582         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
11583         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
11584         (cortex-r4f): Add fpu.
11585         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
11586         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
11587         for nofp.
11588         (cortex-r8): Likewise.
11589         (cortex-m4): Add fpu.  Add option for nofp.
11590         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
11591         (cortex-a17.cortex-a7): Likewise.
11592         (cortex-a32): Add fpu.  Add options for crypto and nofp.
11593         (cortex-a35, cortex-a53): Likewise.
11594         (cortex-a57): Add fpu.  Add option for crypto.
11595         (cortex-a72, cortex-a73): Likewise.
11596         (exynos-m1): Likewise.
11597         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
11598         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
11599         (cortex-m33): Add fpu.  Add option for nofp.
11600         * config/arm/arm-cpu-cdata.h: Regenerated
11601         * config/arm/arm-cpu-data.h: Regenerated.
11602
11603 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11604
11605         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
11606         (armv5te, armv5tej): Likewise.
11607         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
11608         (armv7): Add options fp and vfpv3-d16.
11609         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
11610         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
11611         nofp and nosimd.
11612         (armv7ve): Likewise.
11613         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
11614         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
11615         (armv8-a): Add nocrypto option.
11616         (armv8.1-a, armv8.2-a): Likewise.
11617         (armv8-m.main): add options fp, fp.dp and nofp.
11618
11619 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11620
11621         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
11622         nofp.
11623         (armv8-a+crc): Delete.
11624         (armv8.1-a): Add options simd, crypto and nofp.
11625         (armv8.2-a): Add options fp16, simd, crypto and nofp.
11626         (armv8.2-a+fp16): Delete.
11627         (armv8-m.main): Add option dsp.
11628         (armv8-m.main+dsp): Delete.
11629         (cortex-a8): Add fpu.  Add nofp option.
11630         (cortex-a9): Add fpu.  Add nofp and nosimd options.
11631         * config/arm/parsecpu.awk (gen_data): Generate option tables and
11632         link to main cpu and architecture data structures.
11633         (gen_comm_data): Only put isa attributes from the main architecture
11634         in common tables.
11635         (option): New statement for architecture and CPU entries.
11636         * arm.c (struct cpu_option): New structure.
11637         (struct processors): Add entry for options.
11638         (arm_unrecognized_feature): New function.
11639         (arm_parse_arch_cpu_name): Ignore any characters after the first
11640         '+' character.
11641         (arm_parse_arch_cpu_feature): New function.
11642         (arm_configure_build_target): Separate out any CPU and architecture
11643         features and parse separately.  Don't error out if -mfpu=auto is
11644         used with only an architecture string.
11645         (arm_print_asm_arch_directives): New function.
11646         (arm_file_start): Call it.
11647         * config/arm/arm-cpu-cdata.h: Regenerated.
11648         * config/arm/arm-cpu-data.h: Likewise.
11649         * config/arm/arm-tables.opt: Likewise.
11650
11651 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11652
11653         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
11654         assembler when it is not -mfpu=auto.
11655
11656 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11657
11658         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
11659         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
11660         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
11661         (ASM_CPU_SPEC): Rewrite.
11662         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
11663         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
11664         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
11665         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
11666         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
11667         copied string is NUL-terminated.  Also strip any characters prefixed
11668         by '+'.
11669         (arm_rewrite_selected_arch): New function.
11670         (arm_rewrite_march): New function.
11671
11672 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11673
11674         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
11675         (x_arm_cpu_string, x_arm_tune_string): Likewise.
11676         (march, mcpu, mtune): Convert to string-based options.
11677         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
11678         (arm_parse_arch_cpu_name): New function.
11679         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
11680         identify selected architecture or CPU.
11681         (arm_option_save): New function.
11682         (TARGET_OPTION_SAVE): Redefine.
11683         (arm_option_restore): Restore string options.
11684         (arm_option_print): Print string options.
11685
11686 2017-06-16  Martin Sebor  <msebor@redhat.com>
11687
11688         PR tree-optimization/80933
11689         PR tree-optimization/80934
11690         * builtins.c (fold_builtin_3): Do not handle bcmp here.
11691         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
11692         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
11693         (gimple_fold_builtin): Call them.
11694
11695 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11696
11697         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
11698         as unlikely; update profile.
11699
11700 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11701
11702         * predict.c (force_edge_cold): Handle declaring edges impossible
11703         more aggresively.
11704
11705 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11706
11707         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
11708         profile.
11709         (try_unroll_loop_completely): Fix reporting.
11710
11711 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11712
11713         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
11714
11715 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
11716
11717         PR target/71778
11718         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
11719         if given a non-constant argument for an intrinsic which requires a
11720         constant.
11721
11722 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11723
11724         * profile.c (compare_freqs): New function.
11725         (branch_prob): Sort edge list.
11726         (find_spanning_tree): Assume that the list is priority sorted.
11727
11728 2017-06-16  Richard Biener  <rguenther@suse.de>
11729
11730         PR tree-optimization/81090
11731         * passes.def (pass_record_bounds): Remove.
11732         * tree-pass.h (make_pass_record_bounds): Likewise.
11733         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
11734         make_pass_record_bounds): Likewise.
11735         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
11736         not free niter estimates at the beginning but at the end.
11737         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
11738
11739 2017-06-16  Richard Biener  <rguenther@suse.de>
11740
11741         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
11742         initializer to workaround ICE in host GCC 4.8.
11743
11744 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11745
11746         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
11747         counts.
11748         (clone_inlined_nodes): Update.
11749
11750 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11751
11752         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
11753         prefetch settings, and enable prefetching by default at -O3.
11754
11755 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11756
11757         * config/aarch64/aarch64.c (aarch64_override_options_internal):
11758         Set flag_prefetch_loop_arrays according to tuning data.
11759
11760 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11761
11762         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
11763         New tune structure.
11764         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
11765         [Unrelated to main purpose of the patch] Place the pointer field last
11766         to enable type checking errors when tune structure are wrongly merged.
11767         * config/aarch64/aarch64.c (generic_prefetch_tune,)
11768         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
11769         (thunderx2t99_prefetch_tune): New tune constants.
11770         (tune_params *_tunings): Update all tunings (no functional change).
11771         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
11772         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
11773         from tunings structures.
11774
11775 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
11776
11777         PR sanitizer/81094
11778         * ubsan.c (instrument_null): Add T argument, use it instead
11779         of computing it based on IS_LHS.
11780         (instrument_object_size): Likewise.
11781         (pass_ubsan::execute): Adjust instrument_null and
11782         instrument_object_size callers to pass gimple_get_lhs or
11783         gimple_assign_rhs1 result to it.  Use instrument_null instead of
11784         calling get_base_address and instrument_mem_ref.  Handle
11785         aggregate call arguments for object-size sanitization.
11786
11787 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
11788
11789         PR tree-optimization/81089
11790         * tree-vrp.c (is_masked_range_test): Validate operands of
11791         subexpression.
11792
11793 2017-06-15  Martin Sebor  <msebor@redhat.com>
11794
11795         PR c++/80560
11796         * dumpfile.c (dump_register): Avoid calling memset to initialize
11797         a class with a default ctor.
11798         * gcc.c (struct compiler): Remove const qualification.
11799         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
11800         * hash-table.h: Ditto.
11801         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
11802           assignment.
11803         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
11804         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
11805         default ctor.
11806         * params.h (struct param_info): Make struct members non-const.
11807         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
11808         with default initialization.
11809         * vec.h (vec_copy_construct, vec_default_construct): New helper
11810         functions.
11811         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
11812         with vec_copy_construct.
11813         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
11814         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
11815         * doc/invoke.texi (-Wclass-memaccess): Document.
11816
11817 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11818
11819         * emit-rtl.h (is_leaf): Update comment about local
11820         register allocator.
11821
11822 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
11823
11824         PR target/78818
11825         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
11826         for a variable to have a section before checking if the section has a
11827         name.
11828         Set section to.persistent if persistent attribute is set.
11829         Warn if .persistent attribute is used on an automatic variable.
11830
11831 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
11832
11833         PR rtl-optimization/80474
11834         * reorg.c (update_block): Do not ignore instructions in a delay slot.
11835
11836 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
11837
11838         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
11839         of REGNO.
11840
11841 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
11842
11843         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
11844         (casesi): Emit bounds checking as RTL.
11845         (casesi_internal_mips16_<mode>): Remove bounds checking.
11846
11847 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
11848
11849         * config/xtensa/xtensa.c (xtensa_option_override): Append
11850         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
11851         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
11852          xtensa_doloop_hooks): Define unconditionally.
11853         (xtensa_reorg_loops): Only call reorg_loops in the presence of
11854         TARGET_LOOPS.
11855         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
11856         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
11857         for it in xtensa_option_override.
11858         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
11859          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
11860
11861 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
11862
11863         * doc/cppopts.texi: Document '-' special value to -MF.
11864
11865 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
11866
11867         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
11868         (cortex_a53_fconst): Likewise.
11869         (cortex_a53_fpmul): Likewise.
11870         (cortex_a53_f_load_64): Likewise.
11871         (cortex_a53_f_load_many): Likewise.
11872         (cortex_a53_advsimd_alu): Likewise.
11873         (cortex_a53_advsimd_alu_q): Likewise.
11874         (cortex_a53_advsimd_mul): Likewise.
11875         (cortex_a53_advsimd_mul_q): Likewise.
11876         (fpmac bypass): Add new bypass for fpmac-fpmac case.
11877         Add missing fmul, r2f_cvt and fconst cases.
11878
11879 2017-06-14  Richard Biener  <rguenther@suse.de>
11880
11881         PR middle-end/81088
11882         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
11883         literal constants.
11884         (fold_binary_loc): When associating do not treat pre-existing
11885         TREE_OVERFLOW on literal constants as a reason to allow
11886         TREE_OVERFLOW on associated literal constants.
11887
11888 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11889
11890         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
11891         (MASK_FEATURES): New macro.
11892         * config/sparc/sparc.c (sparc_option_override): Remove the special
11893         handling of -mfpu and generalize it to all MASK_FEATURES switches.
11894
11895 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11896
11897         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
11898         a division of 0 if non-call exceptions are enabled.
11899
11900 2017-06-14  Andrew Pinski  <apinski@cavium.com>
11901             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11902
11903         PR target/71663
11904         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
11905         Improve vector initialization code gen for only variable case.
11906
11907 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11908
11909         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
11910
11911 2017-06-14  Richard Biener  <rguenther@suse.de>
11912
11913         PR tree-optimization/81083
11914         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
11915         as values.
11916
11917 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11918
11919         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
11920         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
11921         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
11922         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
11923         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
11924         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
11925
11926 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11927
11928         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
11929         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
11930
11931 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11932
11933         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
11934
11935 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11936
11937         * config/rs6000/t-rtems: Don't handle SPE.
11938
11939 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11940
11941         * config/rs6000/t-linux: Don't handle SPE.
11942
11943 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11944
11945         * config/rs6000/eabispe.h: Delete file.
11946
11947 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11948
11949         * config/rs6000/t-spe: Delete file.
11950
11951 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11952
11953         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
11954         (rs6000_legitimate_offset_address_p): Return false for anything in
11955         V2SImode or V2SFmode.
11956
11957 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11958
11959         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
11960         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
11961         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
11962         and V4HImode.
11963         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
11964         (rs6000_legitimate_offset_address_p): Ditto.
11965         (rs6000_emit_move): Ditto.
11966         (rs6000_init_builtins): Remove V4HI_type_node.
11967
11968 2017-06-13  Martin Liska  <mliska@suse.cz>
11969
11970         PR sanitize/78204
11971         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
11972         (gate_asan): Likewise.
11973         * asan.h (asan_no_sanitize_address_p): Remove the function.
11974         (sanitize_flags_p): New function.
11975         * builtins.def: Fix coding style.
11976         * common.opt: Use renamed enum value.
11977         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
11978         * doc/extend.texi: Document no_sanitize attribute.
11979         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
11980         to SANITIZE_UNDEFINED_NONDEFAULT.
11981         * gcc.c (sanitize_spec_function): Use the renamed enum value.
11982         * gimple-fold.c (optimize_atomic_compare_exchange_p):
11983         Use sanitize_flags_p.
11984         * gimplify.c (gimplify_function_tree): Likewise.
11985         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
11986         * opts.c (parse_no_sanitize_attribute): New function.
11987         (common_handle_option): Use renamed enum value.
11988         * opts.h (parse_no_sanitize_attribute): Declare.
11989         * tree.c (sanitize_flags_p): New function.
11990         * tree.h: Declared here.
11991         * tsan.c: Use sanitize_flags_p.
11992         * ubsan.c (ubsan_expand_null_ifn): Likewise.
11993         (instrument_mem_ref): Likewise.
11994         (instrument_bool_enum_load): Likewise.
11995         (do_ubsan_in_current_function): Remove the function.
11996         (pass_ubsan::execute): Use sanitize_flags_p.
11997         * ubsan.h: Remove do_ubsan_in_current_function
11998         * tree-cfg.c (print_no_sanitize_attr_value): New function.
11999         (dump_function_to_file): Use it here.
12000
12001 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12002
12003         PR tree-optimization/80803
12004         PR tree-optimization/81063
12005         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
12006         (propagate_subaccesses_across_link): Enqueue subtree whenever
12007         necessary instead of relying on the caller.
12008
12009 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12010
12011         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
12012         that have a first_link.
12013         (sort_and_splice_var_accesses): Do not check first_link before
12014         enquing.
12015         (subtree_mark_written_and_enqueue): Likewise.
12016         (propagate_all_subaccesses): Likewise and do not stop at first
12017         parent with a first_link.
12018
12019 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12020
12021         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
12022         instead of f.
12023
12024 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12025
12026         * match.pd: New pattern.
12027
12028 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12029
12030         * tree-vrp.c (is_masked_range_test): New function.
12031         (register_edge_assert_for): Determine ranges for
12032         some bit tests.
12033
12034 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12035
12036         PR tree-optimization/67328
12037         * fold-const.c (maskable_range_p): New function.
12038         (build_range_check): Generate bittests if possible.
12039
12040 2017-06-13  Martin Liska  <mliska@suse.cz>
12041
12042         * gimple-pretty-print.c (dump_probability): Add new argument.
12043         (dump_edge_probability): Dump both probability and count.
12044         (dump_gimple_label): Likewise.
12045         (dump_gimple_bb_header): Likewise.
12046
12047 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
12048
12049         PR target/81072
12050         * config/avr/avr-devices.c: Fix indentation.
12051         * config/avr/gen-avr-mmcu-specs.c: Dito.
12052
12053 2017-06-13  Richard Biener  <rguenther@suse.de>
12054
12055         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
12056         instead get vector type from stmt_info.
12057         (vectorizable_reduction): Adjust.  Remove dead code.
12058
12059 2017-06-13  Richard Biener  <rguenther@suse.de>
12060
12061         PR middle-end/81065
12062         * fold-const.c (extract_muldiv_1): Remove bogus distribution
12063         case of C * (x * C2 + C3).
12064         (fold_addr_of_array_ref_difference): Properly fold index difference.
12065
12066 2017-06-12  David S. Miller  <davem@davemloft.net>
12067
12068         PR target/80968
12069         * config/sparc/sparc.md (return expander): Emit frame blockage if
12070         function uses alloca.
12071
12072 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
12073
12074         * combine.c (make_field_assignment): Check len rather than the mode
12075         precision when calling force_to_mode.
12076
12077 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
12078
12079         Support multilibs and devices that see flash in RAM address range.
12080
12081         PR target/81072
12082         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
12083         (avr_mcu_t) <flash_pm_offset>: New field.
12084         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
12085         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
12086         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
12087         (AVR_TINY_PM_OFFSET): Remove macro.
12088         * config/avr/avr.opt (-mshort-calls): New option.
12089         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
12090         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
12091         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
12092         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
12093         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
12094         instead of avr_arch->have_jmp_call.
12095         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
12096         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
12097         avr_arch->flash_pm_offset to define.
12098         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
12099         new field flash_pm_offset.  Add entry for avrxmega3.
12100         (avr_texinfo): Add entry for avrxmega3.
12101         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
12102         attiny212, attiny214,
12103         attiny412, attiny414, attiny416, attiny417,
12104         attiny814, attiny816, attiny817,
12105         attiny1614, attiny1616, attiny1617,
12106         attiny3214, attiny3216, attiny3217.
12107         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
12108         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
12109         (avr_print_operand_address) [AVR_TINY]: Same.
12110         (avr_asm_init_sections) <readonly_data_section>: Only patch
12111         callback if avr_arch->flash_pm_offset = 0.
12112         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
12113         for rodata if avr_arch->flash_pm_offset != 0.
12114         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
12115         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
12116         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
12117         (m_options): Append opt_rcall.
12118         (m_dirnames): Append dir_rcall.
12119         * config/avr/t-multilib: Regenerate.
12120
12121         * configure.ac [target=avr]: Check whether avrxmega3 default
12122         linker description file works as needed.
12123         * configure: Regenerate.
12124         * doc/avr-mmcu.texi: Regenerate.
12125         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
12126         <__AVR_ARCH__>: Document avrxmega3 and 103.
12127         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
12128         <__AVR_SHORT_CALLS__>: Document it.
12129         <__AVR_PM_BASE_ADDRESS__>: Document it.
12130         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
12131         (AVR Variable Attributes) <progmem>: Document this is
12132         not needed for avrxmega3.
12133         (AVR Named Address Spaces) <__flash>: Dito.
12134
12135 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
12136
12137         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
12138
12139 2017-06-12  Doug Rupp  <rupp@adacore.com>
12140
12141         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
12142         Append vxworks-stdint.h to the tm_file list.
12143         * config/vxworks-stdint.h: New file.
12144
12145 2017-06-12  Martin Liska  <mliska@suse.cz>
12146
12147         PR tree-optimization/81041
12148         * tree-profile.c (gimple_gen_ic_func_profiler):
12149         Create an extra BB in profile-generate
12150         (gimple_gen_time_profiler): Likewise.
12151
12152 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
12153
12154         PR tree-optimization/81003
12155         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
12156         (update_range_test): Use it instead of force_gimple_operand_gsi.
12157
12158 2017-06-12  Richard Biener  <rguenther@suse.de>
12159
12160         PR tree-optimization/81053
12161         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
12162         with backedge value not defined in loop.  Simplify def stmt
12163         compute.
12164
12165 2017-06-11  Tom de Vries  <tom@codesourcery.com>
12166
12167         PR target/79939
12168         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
12169         Return true.
12170         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
12171         nvptx_cannot_force_const_mem.
12172
12173 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12174
12175         * opts.c (finish_options): Move test for flag_split_stack after
12176         it has been initialized.
12177
12178 2017-06-11  Jason Merrill  <jason@redhat.com>
12179
12180         * tree.h (id_equal): New.
12181         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
12182         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
12183         instead of strcmp of IDENTIFIER_POINTER.
12184
12185 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12186
12187         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
12188         (mark_all_inlined_calls_cdtor): Fix formating.
12189         (inline_transform): Rescale profile before inlining.
12190
12191 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12192
12193         * cgraph.h (cgraph_edge::clone): Update prototype.
12194         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
12195         (cgraph_node::create_clone): Update.
12196         (cgraph_node::create_version_clone): Update.
12197         * tree-inline.c (copy_bb): Update.
12198         (expand_call_inline): Update.
12199
12200 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12201
12202         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
12203         factored out from ...
12204         (rs6000_emit_prologue): ... here.
12205
12206 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12207
12208         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
12209         factored out from ...
12210         (rs6000_emit_prologue): ... here.
12211
12212 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12213
12214         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
12215         edge counts.
12216         (handle_missing_profiles): Fix computation of tp_first_run.
12217         (counts_to_freqs): Do not touch freqs when count is 0.
12218
12219 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12220
12221         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
12222         profile.
12223
12224 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12225
12226         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
12227         attributes): Document signal effective target.
12228
12229 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12230
12231         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
12232         Document effective target stack_size.
12233
12234 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
12235
12236         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
12237         to the edit_context if they can be auto-applied.
12238
12239 2017-06-9  Ian Lance Taylor  <iant@golang.org>
12240
12241         * opts.c (finish_options): If -fsplit-stack, disable implicit
12242         -forder-blocks-and-partition.
12243         * doc/invoke.texi (Optimize Options): Document that when using
12244         -fsplit-stack -forder-blocks-and-partition is not implicitly
12245         enabled.
12246
12247 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12248
12249         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
12250         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
12251         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
12252         * builtins.def (abort, trap, unreachable): Declare cold.
12253         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
12254         * tree-core.h (ECF_COLD): New.
12255         * tree.c (set_call_expr_flags): Handle ECF_COLD.
12256         (build_common_builtin_nodes): Mark unreachable and abort as cold.
12257
12258 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12259
12260         * predict.c (unlikely_executed_stmt_p): Cleanup.
12261
12262 2017-06-09  Richard Biener  <rguenther@suse.de>
12263
12264         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
12265         model if the ref is always written to.
12266
12267 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12268
12269         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
12270
12271 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12272
12273         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
12274         than udiv.
12275
12276 2017-06-09  Tom de Vries  <tom@codesourcery.com>
12277
12278         PR target/80855
12279         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
12280         "target cannot support label values" when encountering LABEL_REF.
12281
12282 2017-06-09  Martin Liska  <mliska@suse.cz>
12283
12284         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
12285         (gimple_gen_ic_func_profiler): Emit direct comparison
12286         of __gcov_indirect_call_callee with NULL.
12287         (gimple_gen_time_profiler): Change probability from
12288         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
12289
12290 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12291
12292         * profile.c (edge_gcov_counts): Turn to pointer.
12293         (compute_branch_probabilities, compute_branch_probabilities): Update.
12294         (branch_prob): Do not clear edge_gcov_count.
12295         * profile.h (edge_gcov_counts): Turn to pointer.
12296         (edge_gcov_count): Update.
12297
12298 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12299
12300         * gimple.h (gimple_check_failed): Mark cold.
12301
12302 2017-06-09  Richard Biener  <rguenther@suse.de>
12303
12304         PR tree-optimization/66623
12305         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
12306         refactor check_reduction into two parts, properly computing
12307         whether we have to check reduction validity for outer loop
12308         vectorization.
12309
12310 2017-06-09  Richard Biener  <rguenther@suse.de>
12311
12312         PR tree-optimization/79483
12313         * graphite-scop-detection.c (order): New global.
12314         (get_order): Compute bb to order mapping that satisfies code
12315         generation constraints.
12316         (cmp_pbbs): New helper.
12317         (build_scops): Start domwalk at entry block, sort generated
12318         pbbs.
12319
12320 2017-06-09  Richard Biener  <rguenther@suse.de>
12321
12322         PR middle-end/81007
12323         * ipa-polymorphic-call.c
12324         (ipa_polymorphic_call_context::restrict_to_inner_class):
12325         Skip FIELD_DECLs with error_mark_node type.
12326         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
12327         last again.
12328
12329 2017-06-09  Martin Liska  <mliska@suse.cz>
12330
12331         * predict.c (struct branch_predictor): New struct.
12332         (test_prediction_value_range): New test.
12333         (predict_c_tests): New function.
12334         * selftest-run-tests.c (selftest::run_tests): Run the function.
12335         * selftest.h: Declare new tests.
12336
12337 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
12338
12339         PR target/80966
12340         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
12341         gen_add3_insn did not fail.
12342         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
12343         r0, construct that number in a temporary reg and add that reg to r0.
12344         If asked to put the result in r0 as well, fail.
12345
12346 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
12347
12348         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12349         for early expansion of vec_eqv.
12350
12351 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
12352
12353         PR middle-end/81005
12354         * ubsan.c (instrument_null): Avoid pointless code temporary.
12355         (pass_ubsan::execute): Instrument aggregate arguments of calls.
12356
12357 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
12358
12359         PR target/81015
12360         Revert:
12361         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
12362
12363         PR target/59874
12364         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
12365         (*clzhi2): Ditto.
12366
12367 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12368
12369         * predict.c (unlikely_executed_edge_p): Move ahead.
12370         (probably_never_executed_edge_p): Use it.
12371
12372 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12373
12374         PR middle-end/79988
12375         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
12376         gimple_call_builtin_p call.
12377
12378 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12379
12380         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
12381         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
12382         rtl_check_failed_type2, rtl_check_failed_code1,
12383         rtl_check_failed_code2, rtl_check_failed_code_mode,
12384         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
12385         rtvec_check_failed_bounds, rtl_check_failed_flag,
12386         _fatal_insn_not_found, _fatal_insn): Likewise.
12387         * tree.h (tree_contains_struct_check_failed,
12388         tree_check_failed, tree_not_check_failed,
12389         tree_class_check_failed, tree_range_check_failed,
12390         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
12391         tree_vec_elt_check_failed, phi_node_elt_check_failed,
12392         tree_operand_check_failed, omp_clause_check_failed,
12393         omp_clause_operand_check_failed, omp_clause_range_check_failed):
12394         Likewise.
12395
12396 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12397
12398         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
12399         flag_branch_probabilities.
12400         * ipa-inline.c (edge_badness): Likewise.
12401         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
12402         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
12403         * predict.c (maybe_hot_frequency_p): Likewise.
12404         (probably_never_executed): Likewise.
12405         * sched-ebb.c (schedule_ebbs): Likewise.
12406         * sched-rgn.c (find_single_block_region): Likewise.
12407         * tracer.c (tail_duplicate): Likewise.
12408
12409 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12410
12411         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
12412         longer requires x_flag_profile_use.
12413
12414 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12415
12416         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
12417         instead of flag_reorder_blocks_and_partition.
12418         * dbxout.c (dbxout_function_end): Likewise.
12419         * dwarf2out.c (gen_subprogram_die): Likewise.
12420         * haifa-sched.c (sched_create_recovery_edges): Likewise.
12421         * hw-doloop.c (reorg_loops): Likewise.
12422         * varasm.c (assemble_start_function,
12423         assemble_end_function): Likewise.
12424         (decide_function_section): Do not check for
12425         flag_reorder_blocks_and_partition.
12426
12427 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12428
12429         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
12430         New function.
12431         (chkp_get_hard_register_fake_addr_expr): Ditto.
12432         (chkp_build_addr_expr): Add check for hard reg case.
12433         (chkp_parse_array_and_component_ref): Ditto.
12434         (chkp_find_bounds_1): Ditto.
12435         (chkp_process_stmt): Don't generate bounds store for
12436         hard reg case.
12437
12438 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12439
12440         * predict.c (maybe_hot_bb_p): Do not check profile status.
12441         (maybe_hot_edge_p): Likewise.
12442         (probably_never_executed): Check for zero counts even if profile
12443         is not read.
12444         (unlikely_executed_edge_p): New function.
12445         (unlikely_executed_stmt_p): New function.
12446         (unlikely_executed_bb_p): New function.
12447         (set_even_probabilities): Use unlikely predicates.
12448         (combine_predictions_for_bb): Likewise.
12449         (predict_paths_for_bb): Likewise.
12450         (predict_paths_leading_to_edge): Likewise.
12451         (determine_unlikely_bbs): New function.
12452         (estimate_bb_frequencies): Use it.
12453         (compute_function_frequency): Use zero counts even if profile is
12454         not read.
12455         * profile-count.h: Fix typo.
12456
12457 2017-08-08  Julia Koval  <julia.koval@intel.com>
12458
12459         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
12460         _mm512_mask_cvtsepi16_storeu_epi8,
12461         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
12462         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
12463         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
12464         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
12465         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
12466         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
12467         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
12468         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
12469         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
12470         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
12471         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
12472         __builtin_ia32_pmovuswb256mem_mask,
12473         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
12474         __builtin_ia32_pmovwb512mem_mask): New builtins.
12475
12476 2017-08-08  Julia Koval  <julia.koval@intel.com>
12477
12478         PR target/73350,80862
12479         * config/i386/subst.md (round): Fix round pattern.
12480         * config/i386/i386.c (ix86_erase_embedded_rounding):
12481         Fix erasing rounding for the fixed pattern.
12482
12483 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12484
12485         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
12486
12487 2017-06-08  Martin Liska  <mliska@suse.cz>
12488
12489         PR gcov-profile/80911
12490         * gcov.c (block_info::block_info): New constructor.
12491
12492 2017-06-07  Carl Love  <cel@us.ibm.com>
12493
12494         * config/rs6000/rs6000-c: The return type of the following
12495         built-in functions was implemented as int not long long.  Fix sign
12496         of return value for the unsigned version of vec_mulo and vec_mule.
12497         vector unsigned long long vec_bperm (vector unsigned long long,
12498                                              vector unsigned char)
12499         vector signed long long vec_mule (vector signed int,
12500                                           vector signed int)
12501         vector unsigned long long vec_mule (vector unsigned int,
12502                                             vector unsigned int)
12503         vector signed long long vec_mulo (vector signed int,
12504                                           vector signed int)
12505         vector unsigned long long vec_mulo (vector unsigned int,
12506                                             vector unsigned int)
12507         * doc/extend.texi: Fix the documentation for the built-in
12508         functions.
12509
12510 2017-06-07  Carl Love  <cel@us.ibm.com>
12511
12512         PR target/80982
12513         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
12514         for BE.
12515
12516 2017-06-07  Carl Love  <cel@us.ibm.com>
12517
12518         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
12519         support, Generate       doublehv for signed int/float for BE case only.
12520
12521 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
12522
12523         * doc/invoke.texi (mcx16): Rewrite.
12524
12525 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12526
12527         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
12528         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
12529         *mov<mode>_softfloat, and an anonymous splitter): Use
12530         nonimmediate_operand instead of rs6000_nonimmediate_operand.
12531
12532 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12533
12534         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
12535         SPEFSCR registers.
12536         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12537         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
12538         (rs6000_debug_reg_global): Adjust.
12539         (rs6000_init_hard_regno_mode_ok): Adjust.
12540         (rs6000_dbx_register_number): Adjust.
12541         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
12542         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12543         Remove SPE_ACC and SPEFSCR.
12544         (REG_ALLOC_ORDER): Ditto.
12545         (FRAME_POINTER_REGNUM): Change to 111.
12546         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
12547         (REG_CLASS_NAMES): Ditto.
12548         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
12549         (REGISTER_NAMES): Ditto.
12550         (ADDITIONAL_REG_NAMES): Ditto.
12551         (rs6000_reg_names): Ditto.
12552         * config/rs6000/rs6000.md: Renumber some register number
12553         define_constants.
12554
12555 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12556
12557         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
12558         registers.
12559         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12560         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
12561         to 117.
12562         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
12563         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12564         Delete the SPE high registers.
12565         (REG_ALLOC_ORDER): Ditto.
12566         (enum reg_class): Remove SPE_HIGH_REGS.
12567         (REG_CLASS_NAMES): Ditto.
12568         (REG_CLASS_CONTENTS): Delete the SPE high registers.
12569         (REGISTER_NAMES): Ditto.
12570         (rs6000_reg_names): Ditto.
12571         * doc/tm.texi.in: Remove SPE as example.
12572         * doc/tm.texi: Regenerate.
12573
12574 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12575
12576         * config/rs6000/8540.md (ppc8540_brinc): Delete.
12577         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
12578         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
12579         * config/rs6000/rs6000.md (type): Remove "brinc".
12580
12581 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12582
12583         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
12584         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
12585         * config/rs6000/linuxspe.h: Delete file.
12586         * config/rs6000/rs6000.md: Don't include spe.md.
12587         * config/rs6000/spe.h: Delete file.
12588         * config/rs6000/spe.md: Delete file.
12589         * config/rs6000/t-rs6000: Remove spe.md.
12590
12591 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12592
12593         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
12594         (reg_or_none500mem_operand): Delete.
12595         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
12596         instead of reg_or_none500mem_operand.
12597
12598 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12599
12600         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
12601         handling of SPE flags.
12602         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
12603
12604 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12605
12606         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
12607         SPE ABI handling.
12608         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
12609         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
12610         paired_divv2sf3): Similar.
12611         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
12612         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
12613         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
12614         RS6000_BUILTIN_S.
12615         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
12616         Rename the paired_* instruction patterns.
12617         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
12618         define __SPE__.
12619         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
12620         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
12621         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
12622         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
12623         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
12624         PAIRED_VECTOR_MODE.
12625         (struct machine_function): Delete field spe_insn_chain_scanned_p.
12626         (spe_func_has_64bit_regs_p): Delete.
12627         (spe_expand_predicate_builtin): Delete.
12628         (spe_expand_evsel_builtin): Delete.
12629         (TARGET_DWARF_REGISTER_SPAN): Do not define.
12630         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
12631         (invalid_e500_subreg): Delete.
12632         (rs6000_legitimize_address): Always force_reg op2 as well, for
12633         paired single memory accesses.
12634         (rs6000_member_type_forces_blk): Delete.
12635         (rs6000_spe_function_arg): Delete.
12636         (rs6000_expand_unop_builtin): Delete SPE handling.
12637         (rs6000_expand_binop_builtin): Ditto.
12638         (spe_expand_stv_builtin): Delete.
12639         (bdesc_2arg_spe): Delete.
12640         (spe_expand_builtin): Delete.
12641         (spe_expand_predicate_builtin): Delete.
12642         (spe_expand_evsel_builtin): Delete.
12643         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
12644         (spe_init_builtins): Delete.
12645         (spe_func_has_64bit_regs_p): Delete.
12646         (savres_routine_name): Delete "info" parameter.  Adjust callers.
12647         (rs6000_emit_stack_reset): Ditto.
12648         (rs6000_dwarf_register_span): Delete.
12649         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
12650         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
12651         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
12652         Delete.
12653         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
12654         Delete.
12655         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
12656         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
12657         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
12658         mulv2sf3, divv2sf3): Delete expanders.
12659
12660 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12661
12662         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
12663
12664 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12665
12666         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
12667         * config/rs6000/rs6000.c: Ditto.
12668
12669 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12670
12671         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
12672         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
12673         comparison_operator.
12674
12675 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12676
12677         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
12678         * config/rs6000/rs6000.opt: Ditto.
12679         * config/rs6000/t-rtems: Ditto.
12680
12681 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12682
12683         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
12684         TARGET_E500_SINGLE by 0, simplify.
12685         * config/rs6000/rs6000.c: Ditto.
12686         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
12687         (spe_build_register_parallel): Delete.
12688         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
12689         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
12690         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
12691         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
12692         (E500_CONVERT): Delete.
12693         * config/rs6000/spe.md: Remove many patterns and all define_constants.
12694
12695 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12696
12697         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
12698         * config/rs6000/dfp.md: Ditto.
12699         (negdd2, *negdd2_fpr): Merge.
12700         (absdd2, *absdd2_fpr): Merge.
12701         (negtd2, *negtd2_fpr): Merge.
12702         (abstd2, *abstd2_fpr): Merge.
12703         * config/rs6000/e500.h: Delete file.
12704         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
12705         TARGET_FPRS by 1 and simplify.
12706         * config/rs6000/rs6000-c.c: Ditto.
12707         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
12708         TARGET_DF_SPE by 0.
12709         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
12710         TARGET_DF_SPE.
12711         * config/rs6000/rs6000.md: Ditto.
12712         (floatdidf2, *floatdidf2_fpr): Merge.
12713         (move_from_CR_gt_bit): Delete.
12714         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
12715         (E500_CR_IOR_COMPARE): Delete.
12716         (All patterns that require !TARGET_FPRS): Delete.
12717         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
12718
12719 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12720
12721         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
12722
12723 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12724
12725         * graphds.c (add_edge): Intitialize edge's attached data.
12726         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
12727         pointer parameter.  Call pointed function on each edge during
12728         graph traversing.  Skip traversing the edge when the function
12729         returns true.
12730         (graphds_dfs, graphds_scc): Ditto.
12731         (for_each_edge): New parameter.  Pass the new parameter to callback
12732         function.
12733         * graphds.h (skip_edge_callback): New function pointer type.
12734         (graphds_dfs, graphds_scc): New function pointer parameter.
12735         (graphds_edge_callback, for_each_edge): New parameter.
12736
12737 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12738
12739         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
12740         out code checking if runtime alias check is possible to below ...
12741         Call the new function.
12742         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
12743         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
12744
12745 2017-06-07  Marek Polacek  <polacek@redhat.com>
12746
12747         PR sanitizer/80932
12748         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
12749         TYPE_OVERFLOW_WRAPS check.
12750
12751 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12752
12753         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
12754         if versioning is required.
12755         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
12756         peeling with the check for versioning.
12757
12758 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12759
12760         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
12761         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
12762         Set true to new parameter if new ssa variable is defined.
12763         (vect_gen_vector_loop_niters): Refactor.  Set range information
12764         for the new vector loop bound variable.
12765         (vect_do_peeling): Ditto.
12766
12767 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12768
12769         * tree-affine.c (ssa.h): Include header file.
12770         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
12771         has wrapping overflow behavior.
12772
12773 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12774
12775         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
12776
12777 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12778
12779         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
12780         (tree_to_aff_combination): ... here.
12781
12782 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12783
12784         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
12785         reg_pressure model function.
12786         (ivopts_global_cost_for_size): Delete.
12787         (determine_set_costs, iv_ca_recount_cost): Call new model function
12788         ivopts_estimate_reg_pressure.
12789
12790 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12791
12792         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
12793         expensive than udiv.  Remove floating point cases from mod.
12794
12795 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12796
12797         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
12798         Increase idiv cost.
12799
12800 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12801
12802         * config/aarch64/aarch64.md
12803         (copysignsf3): Fix mask generation.
12804
12805 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
12806
12807         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
12808         TDI_gimple.
12809         (class dump_manager): Add register_dumps method.
12810         * dumpfile.c: Include langhooks.h.
12811         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
12812         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
12813         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
12814         (dump_manager::dump_register): Start with 512 entries instead of 32.
12815         (dump_manager::register_dumps): New method.
12816         * toplev.c (general_init): Instead of invoking register_dumps
12817         langhook, invoke register_dumps method on the dump manager.
12818         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
12819         TDI_generic.
12820
12821 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
12822
12823         * doc/md.texi: Clarify the restrictions on a define_insn condition.
12824         Say that # requires an associated define_split to exist, and that
12825         the define_split must be suitable for use after register allocation.
12826
12827 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12828
12829         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
12830         (compute_outgoing_frequencies): Also initialize zero counts.
12831         (find_many_sub_basic_blocks): Do not produce uninitialized profile
12832         around loops; preserve more of profile when nothing changes.
12833
12834 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
12835
12836         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
12837         here.
12838         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
12839         * config/arm/arm-cpu-cdata.h: Regenerate.
12840         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
12841         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
12842         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
12843         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
12844         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
12845         support.
12846         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
12847         support.
12848         * config/arm/t-rmprofile: Likewise.
12849         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
12850
12851 2017-06-06  David S. Miller  <davem@davemloft.net>
12852
12853         PR target/80968
12854         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
12855         blockage if function uses alloca.
12856
12857 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12858
12859         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
12860         New "uid" fields to hold pretty-print IDs of group and ref.
12861         Memory references are now identified as <group_id>:<ref_id>
12862         instead of using [random] addresses.
12863         (dump_mem_details): Simplify, no functional change.
12864         (dump_mem_ref): Simplify and make output more concise.
12865         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
12866         (find_or_create_group): Initialize group uid.
12867         (record_ref): Initialize ref uid.  Improve debug output.
12868         (prune_group_by_reuse, should_issue_prefetch_p,)
12869         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
12870         (mark_nontemporal_store, determine_loop_nest_reuse):
12871         Improve debug output.
12872
12873 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12874
12875         * dbgcnt.def (prefetch): New debug counter.
12876         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
12877         (schedule_prefetches): Stop issueing prefetches if debug counter
12878         tripped.
12879
12880 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12881
12882         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
12883         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
12884
12885 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12886
12887         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
12888         Use aarch64_reg_or_zero predicate for operand 4.
12889         (aarch64_compare_and_swap<mode> define_insn_and_split):
12890         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
12891         (aarch64_store_exclusive<mode>): Likewise for operand 2.
12892
12893 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12894
12895         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
12896         (arm_compute_save_core_reg_mask): This.
12897         (thumb1_compute_save_reg_mask): Rename into ...
12898         (thumb1_compute_save_core_reg_mask): This.
12899         (arm_compute_save_reg0_reg12_mask): Adapt comment.
12900         (arm_compute_frame_layout): Likewise.
12901
12902 2017-06-06  Richard Biener  <rguenther@suse.de>
12903
12904         PR tree-optimization/80974
12905         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
12906         keep or clear leaders SSA info.
12907
12908 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12909
12910         * config/nvptx/nvptx.c (split_mode_p): New function.
12911         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
12912
12913 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12914
12915         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
12916
12917 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12918
12919         PR bootstrap/80978
12920         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
12921         profile.
12922
12923 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12924
12925         * shrink-wrap.c (handle_simple_exit): Update profile.
12926         (try_shrink_wrapping): Upate profile.
12927
12928 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12929
12930         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
12931         (tree_guess_outgoing_edge_probabilities): New.
12932         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
12933         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
12934
12935 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12936
12937         * ipa-split.c (split_function): Initialize return bb profile.
12938
12939 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12940
12941         * profile.c (compute_branch_probabilities): Also initialize
12942         EXIT_BLOCK profile.
12943
12944 2017-06-06  Richard Biener  <rguenther@suse.de>
12945
12946         PR tree-optimization/80928
12947         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
12948         (vect_analyze_loop_operations): Properly guard analysis for
12949         pure SLP case.
12950         (vect_transform_loop): Likewise.
12951         (vect_analyze_loop_2): Also reset SLP type on PHIs.
12952         (vect_model_induction_cost): Do not cost for pure SLP.
12953         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
12954         of induction in inner loop vectorization.
12955         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
12956         (vect_get_and_check_slp_defs): Handle vect_induction_def.
12957         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
12958         recursion.
12959         (vect_analyze_slp_cost_1): Cost induction.
12960         (vect_detect_hybrid_slp_stmts): Handle PHIs.
12961         (vect_get_slp_vect_defs): Likewise.
12962         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
12963         (vect_transform_stmt): Handle SLP reductions.
12964         * tree-vectorizer.h (vectorizable_induction): Adjust.
12965
12966 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
12967
12968         * config/rs6000/rs6000.c (make_resolver_func): Update
12969         init_lowered_empty_function call.
12970
12971 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12972
12973         * doc/invoke.texi: Document the -fprofile-abs-path option.
12974         * common.opt (fprofile-abs-path): New option.
12975         * gcov-io.h (gcov_write_filename): Declare.
12976         * gcov-io.c (gcov_write_filename): New function.
12977         * coverage.c (coverage_begin_function): Use gcov_write_filename.
12978         * profile.c (output_location): Likewise.
12979
12980 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12981
12982         * shring-wrap.c: Revert accidental commit.
12983
12984 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
12985
12986         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
12987
12988 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12989
12990         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
12991         new edge.
12992         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
12993         profile in callgraph edge.
12994         * profile-count.h (apply_probability): If THIS is 0, then result is 0
12995         (apply_scale): Likewise.
12996         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
12997         Also scale profile when inlining function with zero profile.
12998         (initialize_cfun): Update exit block profile even when it is zero.
12999         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
13000         when profile is read.
13001
13002 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13003
13004         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
13005         (CLONE_*): New constants to define the processors we can generate
13006         code for with the target_clone attribute.
13007         (rs6000_clone_map): New array to identify which clone processors
13008         the current program is running on.
13009         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
13010         target_clone attribute.
13011         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
13012         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
13013         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
13014         (cpu_expand_builtin): Add support for target_clone attribute.
13015         (rs6000_valid_attribute_p): Allow "default" attribute.
13016         (get_decl_name): New debug function to simplify printing the
13017         current function name in debugging statements.
13018         (rs6000_clone_priority): New functions to support the target_clone
13019         attribute, and be able to generate code to switch between ISA 2.05
13020         through ISA 3.0 (power6 through power9).
13021         (rs6000_compare_version_priority): Likewise.
13022         (rs6000_get_function_versions_dispatcher): Likewise.
13023         (make_resolver_func): Likewise.
13024         (add_condition_to_bb): Likewise.
13025         (dispatch_function_versions): Likewise.
13026         (rs6000_generate_version_dispatcher_body): Likewise.
13027         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
13028         (fusion_gpr_load_p): Fix a spacing issue.
13029         * doc/extend.texi (Common Function Attributes): Document that the
13030         PowerPC supports the target_clone attribute.
13031
13032 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13033
13034         * config/arm/arm.h: explain F symbol found in description of ARM
13035         register allocation in its legend.
13036
13037 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13038
13039         * config/mips/frame-header-opt.c: Include profile-count.h.
13040         * config/riscv/riscv.c: Include profile-count.h
13041
13042 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13043
13044         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
13045         update profile.
13046         (sm_set_flag_if_changed): Add bbs field.
13047         (execute_sm_if_changed_flag_set): Pass BBS.
13048         (execute_sm): Update.
13049
13050 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13051
13052         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
13053         New pattern.
13054
13055 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13056
13057         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
13058         (peephole2): New peephole2 to emit the above.
13059         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
13060
13061 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13062
13063         * config/aarch64/aarch64.c (define_peephole2 above
13064         *sub_<shift>_<mode>): New peephole.
13065
13066 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13067
13068         * config/i386/i386.c (make_resolver_func): Update.
13069         * Makefile.in: Add profile-count.h and profile-count.o
13070         * auto-profile.c (afdo_indirect_call): Update to new API.
13071         (afdo_set_bb_count): Update.
13072         (afdo_propagate_edge): Update.
13073         (afdo_propagate_circuit): Update.
13074         (afdo_calculate_branch_prob): Update.
13075         (afdo_annotate_cfg): Update.
13076         * basic-block.h: Include profile-count.h
13077         (struct edge_def): Turn count to profile_count.
13078         (struct basic_block_def): Likewie.
13079         (REG_BR_PROB_BASE): Move to profile-count.h
13080         (RDIV): Move to profile-count.h
13081         * bb-reorder.c (max_entry_count): Turn to profile_count.
13082         (find_traces): Update.
13083         (rotate_loop):Update.
13084         (connect_traces):Update.
13085         (sanitize_hot_paths):Update.
13086         * bt-load.c (migrate_btr_defs): Update.
13087         * cfg.c (RDIV): Remove.
13088         (init_flow): Use alloc_block.
13089         (alloc_block): Uninitialize count.
13090         (unchecked_make_edge): Uninitialize count.
13091         (check_bb_profile): Update.
13092         (dump_edge_info): Update.
13093         (dump_bb_info): Update.
13094         (update_bb_profile_for_threading): Update.
13095         (scale_bbs_frequencies_int): Update.
13096         (scale_bbs_frequencies_gcov_type): Update.
13097         (scale_bbs_frequencies_profile_count): New.
13098         * cfg.h (update_bb_profile_for_threading): Update.
13099         (scale_bbs_frequencies_profile_count): Declare.
13100         * cfgbuild.c (compute_outgoing_frequencies): Update.
13101         (find_many_sub_basic_blocks): Update.
13102         * cfgcleanup.c (try_forward_edges): Update.
13103         (try_crossjump_to_edge): Update.
13104         * cfgexpand.c (expand_gimple_tailcall): Update.
13105         (construct_exit_block): Update.
13106         * cfghooks.c (verify_flow_info): Update.
13107         (dump_bb_for_graph): Update.
13108         (split_edge): Update.
13109         (make_forwarder_block): Update.
13110         (duplicate_block): Update.
13111         (account_profile_record): Update.
13112         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
13113         (get_estimated_loop_iterations): Update.
13114         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
13115         (single_likely_exit): Update.
13116         * cfgloopmanip.c (scale_loop_profile): Update.
13117         (loopify): Update.
13118         (set_zero_probability): Update.
13119         (lv_adjust_loop_entry_edge): Update.
13120         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
13121         (purge_dead_edges): Update.
13122         (rtl_account_profile_record): Update.
13123         * cgraph.c (cgraph_node::create): Uninitialize count.
13124         (symbol_table::create_edge): Uninitialize count.
13125         (cgraph_update_edges_for_call_stmt_node): Update.
13126         (cgraph_edge::dump_edge_flags): Update.
13127         (cgraph_node::dump): Update.
13128         (cgraph_edge::maybe_hot_p): Update.
13129         * cgraph.h: Include profile-count.h
13130         (create_clone), create_edge, create_indirect_edge): Update.
13131         (cgraph_node): Turn count to profile_count.
13132         (cgraph_edge0: Likewise.
13133         (make_speculative, clone): Update.
13134         (create_edge): Update.
13135         (init_lowered_empty_function): Update.
13136         * cgraphclones.c (cgraph_edge::clone): Update.
13137         (duplicate_thunk_for_node): Update.
13138         (cgraph_node::create_clone): Update.
13139         * cgraphunit.c (cgraph_node::analyze): Update.
13140         (cgraph_node::expand_thunk): Update.
13141         * final.c (dump_basic_block_info): Update.
13142         * gimple-streamer-in.c (input_bb): Update.
13143         * gimple-streamer-out.c (output_bb): Update.
13144         * graphite.c (print_global_statistics): Update.
13145         (print_graphite_scop_statistics): Update.
13146         * hsa-brig.c: Include basic-block.h.
13147         * hsa-dump.c: Include basic-block.h.
13148         * hsa-gen.c (T sum_slice): Update.
13149         (convert_switch_statements):Update.
13150         * hsa-regalloc.c: Include basic-block.h.
13151         * ipa-chkp.c (chkp_produce_thunks): Update.
13152         * ipa-cp.c (struct caller_statistics): Update.
13153         (init_caller_stats): Update.
13154         (gather_caller_stats): Update.
13155         (ipcp_cloning_candidate_p): Update.
13156         (good_cloning_opportunity_p): Update.
13157         (get_info_about_necessary_edges): Update.
13158         (dump_profile_updates): Update.
13159         (update_profiling_info): Update.
13160         (update_specialized_profile): Update.
13161         (perhaps_add_new_callers): Update.
13162         (decide_about_value): Update.
13163         (ipa_cp_c_finalize): Update.
13164         * ipa-devirt.c (struct odr_type_warn_count): Update.
13165         (struct decl_warn_count): Update.
13166         (struct final_warning_record): Update.
13167         (possible_polymorphic_call_targets): Update.
13168         (ipa_devirt): Update.
13169         * ipa-fnsummary.c (redirect_to_unreachable): Update.
13170         * ipa-icf.c (sem_function::merge): Update.
13171         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
13172         * ipa-inline.c (compute_uninlined_call_time): Update.
13173         (compute_inlined_call_time): Update.
13174         (want_inline_small_function_p): Update.
13175         (want_inline_self_recursive_call_p): Update.
13176         (edge_badness): Update.
13177         (lookup_recursive_calls): Update.
13178         (recursive_inlining): Update.
13179         (inline_small_functions): Update.
13180         (dump_overall_stats): Update.
13181         (dump_inline_stats): Update.
13182         * ipa-profile.c (ipa_profile_generate_summary): Update.
13183         (ipa_propagate_frequency): Update.
13184         (ipa_profile): Update.
13185         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13186         * ipa-utils.c (ipa_merge_profiles): Update.
13187         * loop-doloop.c (doloop_modify): Update.
13188         * loop-unroll.c (report_unroll): Update.
13189         (unroll_loop_runtime_iterations): Update.
13190         * lto-cgraph.c (lto_output_edge): Update.
13191         (lto_output_node): Update.
13192         (input_node): Update.
13193         (input_edge): Update.
13194         (merge_profile_summaries): Update.
13195         * lto-streamer-in.c (input_cfg): Update.
13196         * lto-streamer-out.c (output_cfg): Update.
13197         * mcf.c (create_fixup_graph): Update.
13198         (adjust_cfg_counts): Update.
13199         (sum_edge_counts): Update.
13200         * modulo-sched.c (sms_schedule): Update.
13201         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
13202         * predict.c (maybe_hot_count_p): Update.
13203         (probably_never_executed): Update.
13204         (dump_prediction): Update.
13205         (combine_predictions_for_bb): Update.
13206         (propagate_freq): Update.
13207         (handle_missing_profiles): Update.
13208         (counts_to_freqs): Update.
13209         (rebuild_frequencies): Update.
13210         (force_edge_cold): Update.
13211         * predict.h: Include profile-count.h
13212         (maybe_hot_count_p, counts_to_freqs): UPdate.
13213         * print-rtl-function.c: Do not include cfg.h
13214         * print-rtl.c: Include basic-block.h
13215         * profile-count.c: New file.
13216         * profile-count.h: New file.
13217         * profile.c (is_edge_inconsistent): Update.
13218         (correct_negative_edge_counts): Update.
13219         (is_inconsistent): Update.
13220         (set_bb_counts): Update.
13221         (read_profile_edge_counts): Update.
13222         (compute_frequency_overlap): Update.
13223         (compute_branch_probabilities): Update; Initialize and deinitialize
13224         gcov_count tables.
13225         (branch_prob): Update.
13226         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
13227         (edge_gcov_count): New.
13228         (bb_gcov_count): New.
13229         * shrink-wrap.c (try_shrink_wrapping): Update.
13230         * tracer.c (better_p): Update.
13231         * trans-mem.c (expand_transaction): Update.
13232         (ipa_tm_insert_irr_call): Update.
13233         (ipa_tm_insert_gettmclone_call): Update.
13234         * tree-call-cdce.c: Update.
13235         * tree-cfg.c (gimple_duplicate_sese_region): Update.
13236         (gimple_duplicate_sese_tail): Update.
13237         (gimple_account_profile_record): Update.
13238         (execute_fixup_cfg): Update.
13239         * tree-inline.c (copy_bb): Update.
13240         (copy_edges_for_bb): Update.
13241         (initialize_cfun): Update.
13242         (freqs_to_counts): Update.
13243         (copy_cfg_body): Update.
13244         (expand_call_inline): Update.
13245         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
13246         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
13247         (try_unroll_loop_completely): Update.
13248         (try_peel_loop): Update.
13249         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
13250         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
13251         * tree-ssa-loop-split.c (connect_loops): Update.
13252         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
13253         * tree-ssa-reassoc.c (branch_fixup): Update.
13254         * tree-ssa-tail-merge.c (replace_block_by): Update.
13255         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
13256         (compute_path_counts): Update.
13257         (update_profile): Update.
13258         (recompute_probabilities): Update.
13259         (update_joiner_offpath_counts): Update.
13260         (estimated_freqs_path): Update.
13261         (freqs_to_counts_path): Update.
13262         (clear_counts_path): Update.
13263         (ssa_fix_duplicate_block_edges): Update.
13264         (duplicate_thread_path): Update.
13265         * tree-switch-conversion.c (case_bit_test_cmp): Update.
13266         (struct switch_conv_info): Update.
13267         * tree-tailcall.c (decrease_profile): Update.
13268         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
13269         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
13270         * value-prof.c (check_counter): Update.
13271         (gimple_divmod_fixed_value): Update.
13272         (gimple_mod_pow2): Update.
13273         (gimple_mod_subtract): Update.
13274         (gimple_ic_transform): Update.
13275         (gimple_stringop_fixed_value): Update.
13276         * value-prof.h (gimple_ic): Update.
13277
13278 2017-06-02  Carl Love  <cel@us.ibm.com>
13279
13280         * config/rs6000/rs6000-c: Add support for built-in functions
13281         vector double vec_doublee (vector signed int);
13282         vector double vec_doublee (vector unsigned int);
13283         vector double vec_doublee (vector float);
13284         vector double vec_doubleh (vector signed int);
13285         vector double vec_doubleh (vector unsigned int);
13286         vector double vec_doubleh (vector float);
13287         vector double vec_doublel (vector signed int);
13288         vector double vec_doublel (vector unsigned int);
13289         vector double vec_doublel (vector float);
13290         vector double vec_doubleo (vector signed int);
13291         vector double vec_doubleo (vector unsigned int);
13292         vector double vec_doubleo (vector float);.
13293         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
13294         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
13295         UNS_DOUBLEL.
13296         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
13297         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
13298         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
13299         VS_sxwsp.
13300         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
13301         vec_doublel, vec_doubleh.
13302         * doc/extend.texi: Update the built-in documentation file for the
13303         new built-in functions.
13304
13305 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
13306
13307         PR jit/80954
13308         * ipa-inline-analysis.c (free_growth_caches): Set
13309         edge_removal_hook_holder to NULL after removing it.
13310
13311 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
13312
13313         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
13314         comparision with zero.
13315
13316 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13317         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13318         for early expansion of vec_min and vec_max builtins.
13319         (builtin_function_type): Add min/max unsigned variants to those
13320         identified as having unsigned arguments.
13321
13322 2017-06-02  Olivier Hainque  <hainque@adacore.com>
13323
13324         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
13325
13326 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13327
13328         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
13329         Use VALL_F16 iterator rather than VALL.
13330
13331 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13332
13333         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
13334         Emit CBNZ inside loop when doing a strong exchange and comparing
13335         against zero.  Generate the CC flags after the loop.
13336
13337 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
13338
13339         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
13340         (dl_section_ref): New.
13341         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
13342         On AIX, append an expression to subtract the size of the
13343         section length to dl_section_ref.
13344
13345 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13346
13347         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13348         for early expansion of vector absolute builtins.
13349
13350 2017-06-02  Richard Biener  <rguenther@suse.de>
13351
13352         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
13353         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
13354
13355 2017-06-02  Richard Biener  <rguenther@suse.de>
13356
13357         PR tree-optimization/80948
13358         * tree-tailcall.c (find_tail_calls): Track stmts to move in
13359         stmt order as well.
13360
13361 2017-06-02  Richard Biener  <rguenther@suse.de>
13362
13363         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
13364         PHIs are ok.
13365         * tree-vect-stmts.c (process_use): Do not mark backedge defs
13366         for inductions as relevant.
13367
13368 2017-06-02  Richard Biener  <rguenther@suse.de>
13369
13370         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
13371         (vectorizable_induction): ... this.  Remove dead code.
13372
13373 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
13374
13375         * builtins. (expand_builtin_alloca): Remove second parameter and
13376         infer its value from the first parameter instead.
13377         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
13378
13379 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
13380
13381         PR rtl-optimization/80903
13382         * loop-doloop.c (add_test): Unshare sequence.
13383
13384 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13385
13386         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
13387
13388 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13389
13390         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
13391         static.
13392         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
13393         xlogue_layout::get_instance, logue_layout::xlogue_layout,
13394         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
13395         (xlogue_layout::get_stub_rtx): Make static.
13396         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
13397         (xlogue_layout::compute_stub_managed_regs): Rename to...
13398         (xlogue_layout::count_stub_managed_regs): ...this.
13399         (xlogue_layout::is_stub_managed_reg): New function.
13400         (xlogue_layout::m_stub_names): Rename to...
13401         (xlogue_layout::s_stub_names): ...this, make static.
13402         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
13403         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
13404         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
13405         xlogue_layout::s_stub_names): Instantiate statics.
13406         (stub_managed_regs): Remove.
13407         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
13408         (disable_call_ms2sysv_xlogues): Rename to...
13409         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
13410         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
13411         warning logic.
13412         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
13413         change after reload_completed.
13414         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
13415         directly.
13416         (ix86_expand_prologue): Likewise.
13417         (ix86_expand_epilogue): Likewise.
13418         (ix86_expand_split_stack_prologue): Likewise.
13419         (ix86_compute_frame_layout): Remove frame parameter ...
13420         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
13421         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
13422         only if necessary.
13423         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
13424         (ix86_frame): Move from here ...
13425         * config/i386/i386.h (ix86_frame): ... to here.
13426         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
13427         complete ix86_frame data structure instead.  Remove some_ld_name.
13428
13429 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13430
13431         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
13432         symbols that hold a DECL_VALUE_EXPR.
13433
13434 2017-06-01  Martin Jambor  <mjambor@suse.cz>
13435
13436         PR tree-optimization/80898
13437         * tree-sra.c (process_subtree_disqualification): Removed.
13438         (disqualify_candidate): Do not acll
13439         process_subtree_disqualification.
13440         (subtree_mark_written_and_enqueue): New function.
13441         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
13442         RHS has been disqualified and re-queue LHS if necessary.  Apart
13443         from that, ignore disqualified RHS.
13444
13445 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13446
13447         * config/s390/s390.c (s390_emit_epilogue): Disable early return
13448         address fetch for z10 or later.
13449
13450 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13451
13452         * config/arc/arc.md (tst_movb): Add guard when splitting.
13453
13454 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13455
13456         * config/arc/arc.c (arc_can_eliminate): Test against
13457         arc_frame_pointer_needed.
13458
13459 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13460
13461         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
13462         to prevent store reordering.
13463         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
13464         (type): Add block type.
13465         (stack_tie): Define special instruction to be used in
13466         expand_prologue.
13467
13468 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13469
13470         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
13471         constraint. It is not valid for the pattern.
13472         (noncommutative_binary_comparison): Likewise.
13473
13474 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13475
13476         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
13477         scaled addresses.
13478
13479 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13480
13481         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
13482         be used by the reg-alloc.
13483
13484 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13485
13486         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
13487         reg-alloc when having mul64 or mul32x16 instructions.
13488         (mulsidi3): Likewise.
13489         (umulsidi3): Likewise.
13490         (mulsi32x16): New pattern.
13491         (mulsi64): Likewise.
13492         (mulsidi64): Likewise.
13493         (umulsidi64): Likewise.
13494         (MUL32x16_REG): Define.
13495         (mul64_600): Use MUL32x16_REG.
13496         (mac64_600): Likewise.
13497         (umul64_600): Likewise.
13498         (umac64_600): Likewise.
13499
13500 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
13501
13502         * config/arc/arc.md (mulsi3_700): Make it commutative.
13503
13504 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
13505
13506         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
13507         type for movstouw.
13508         (*sign_extendsidi2_insn): Likewise for movstosw.
13509
13510 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
13511
13512         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
13513         the type of the input discriminant value.  Convert the
13514         discriminant value of signedness vary.
13515
13516 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
13517
13518         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
13519         Add to -Wall section.
13520
13521 2017-06-01  Richard Biener  <rguenther@suse.de>
13522
13523         PR middle-end/66313
13524         * fold-const.c (fold_plusminus_mult_expr): If the factored
13525         factor may be zero use a wrapping type for the inner operation.
13526         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
13527         and handle moved defs.
13528         (process_assignment): Properly guard the unary op case.  Return a
13529         tri-state indicating that moving the stmt before the call may allow
13530         to continue.  Pass through to_move.
13531         (find_tail_calls): Handle moving unrelated defs before
13532         the call.
13533
13534 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
13535
13536         PR target/80618
13537         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
13538         splitter result in the canonical way.
13539
13540 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
13541
13542         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
13543         also for 32bit target.  Update insn attributes.
13544         (zero-extendsidi2 splitter): Allow all registers for operand 1.
13545
13546 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
13547
13548         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
13549         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
13550         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
13551         (_mm_maskz_min_ss): New intrinsics.
13552
13553 2017-05-31  Martin Liska  <mliska@suse.cz>
13554
13555         * tree-vect-loop.c (vect_create_epilog_for_reduction):
13556         Change comment style to one we normally use.
13557         (vectorizable_reduction): Likewise.
13558         (vectorizable_induction): Likewise.
13559         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
13560         (vectorizable_call): Likewise.
13561         (vectorizable_simd_clone_call): Likewise.
13562         (vectorizable_conversion): Likewise.
13563         (vectorizable_assignment): Likewise.
13564         (vectorizable_shift): Likewise.
13565         (vectorizable_operation): Likewise.
13566         (vectorizable_store): Likewise.
13567         (vectorizable_load): Likewise.
13568         * tree-vectorizer.h: Likewise.
13569
13570 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
13571
13572         * passes.c (emergency_dump_function): New.
13573         * tree-pass.h (emergency_dump_function): Declare.
13574         * plugin.c (plugins_internal_error_function): Remove.
13575         * plugin.h (plugins_internal_error_function): Remove declaration.
13576         * toplev.c (internal_error_function): New static function.  Use it...
13577         (general_init): ...here.
13578
13579 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
13580
13581         * config/arc/arc.c (arc_print_operand): Handle constant operands.
13582         (arc_rtx_costs): Add costs for new patterns.
13583         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
13584         * config/arc/predicates.md: Add _1_2_3_operand predicate.
13585
13586 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13587
13588         * tree-ssa-strlen.c (get_next_strinfo): New function.
13589         (get_stridx_plus_constant): Use it.
13590         (zero_length_string): Likewise.
13591         (adjust_related_strinfos): Likewise.
13592         (adjust_last_stmt): Likewise.
13593
13594 2017-05-31  Richard Biener  <rguenther@suse.de>
13595
13596         PR target/80880
13597         * config/i386/i386.c (ix86_expand_builtin): Remove assert
13598         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
13599
13600 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13601
13602         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
13603         loop_vinfo argument and use of dependence distance vectors.
13604         Check instead whether the two references differ only in their
13605         initial value and assume that they have the same alignment if the
13606         difference is a multiple of the vector alignment.
13607         (vect_analyze_data_refs_alignment): Update call accordingly.
13608
13609 2017-05-31  Martin Liska  <mliska@suse.cz>
13610
13611         PR target/79155
13612         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
13613
13614 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13615
13616         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
13617         (create_intersect_range_checks): Move from ...
13618         * tree-data-ref.c (create_intersect_range_checks_index)
13619         (create_intersect_range_checks): ... to here.
13620         (create_runtime_alias_checks): New function factored from ...
13621         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
13622         here.  Call above function.
13623         * tree-data-ref.h (create_runtime_alias_checks): New function.
13624
13625 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13626
13627         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
13628         segment length for dr_b and compute it in wide_int.
13629
13630 2017-05-31  Richard Biener  <rguenther@suse.de>
13631
13632         PR tree-optimization/80906
13633         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
13634         and pass through iv_map.
13635         (copy_bb_and_scalar_dependences): Adjust.
13636         (translate_pending_phi_nodes): Likewise.
13637         (copy_loop_close_phi_args): Handle code-generating IVs instead
13638         of ICEing.
13639
13640 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
13641
13642         * diagnostic-color.c (color_dict): Add "type-diff".
13643         (parse_gcc_colors): Update comment.
13644         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
13645         -fdiagnostics-show-template-tree and -fno-elide-type.
13646         (GCC_COLORS): Add type-diff to example.
13647         (type-diff=): New.
13648         (-fdiagnostics-show-template-tree): New.
13649         (-fno-elide-type): New.
13650         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
13651         the pp_format_decoder callback.  Call any m_format_postprocessor's
13652         "handle" method.
13653         (pretty_printer::pretty_printer): Initialize
13654         m_format_postprocessor.
13655         (pretty_printer::~pretty_printer): Delete any
13656         m_format_postprocessor.
13657         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
13658         (class format_postprocessor): New class.
13659         (struct pretty_printer::format_decoder): Document the new parameters.
13660         (struct pretty_printer::m_format_postprocessor): New field.
13661         * tree-diagnostic.c (default_tree_printer): Update for new
13662         bool and const char ** params.
13663         * tree-diagnostic.h (default_tree_printer): Likewise.
13664
13665 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
13666
13667         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
13668         (lwa_operand): Delete rs6000_gen_cell_microcode test.
13669         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13670         rs6000_gen_cell_microcode code.
13671         (rs6000_final_prescan_insn): Delete.
13672         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
13673         "warn-cell-microcode" entries.
13674         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
13675         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
13676         throughout.  Change cc_reg_not_micro_cr0_operand to
13677         cc_reg_not_cr0_operand throughout.
13678         (*extendhi<mode>2_noload): Delete.
13679         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
13680         (mwarn-cell-microcode): Delete.
13681         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
13682         -mgen-cell-microcode and -mwarn-cell-microcode.
13683
13684 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
13685
13686         PR target/80833
13687         * config/i386/constraints.md (Yd): New constraint.
13688         (Ye): Ditto.
13689         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
13690         and (?Yd, r) alternatives.  Update insn attributes.
13691         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
13692         and (?*Yd, r) alternatives.  Update insn attributes.
13693         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
13694
13695 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
13696
13697         * gimplify.c (gimplify_modify_expr): Don't create a
13698         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
13699         function.
13700
13701 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
13702
13703         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
13704
13705 2017-05-30  Richard Biener  <rguenther@suse.de>
13706
13707         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
13708         and reduc_def fields.
13709         (STMT_VINFO_REDUC_TYPE): New define.
13710         (STMT_VINFO_REDUC_DEF): Likewise.
13711         (vect_force_simple_reduction): Adjust prototype.
13712         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
13713         (vect_is_simple_reduction): Remove check_reduction argument.
13714         (vect_force_simple_reduction): Adjust and set
13715         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
13716         (vectorizable_reduction): Do not re-do reduction analysis
13717         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
13718         * tree-parloops.c (gather_scalar_reductions): Adjust.
13719
13720 2017-05-30  Richard Biener  <rguenther@suse.de>
13721
13722         PR middle-end/80901
13723         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
13724         split_edge code.
13725
13726 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13727
13728         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
13729         Introduce unknown_misalignment parameter and remove vf.
13730         (vect_peeling_hash_get_lowest_cost):
13731         Pass unknown_misalignment parameter.
13732         (vect_enhance_data_refs_alignment):
13733         Fix unsupportable data ref treatment.
13734
13735 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13736
13737         * tree-vect-data-refs.c (vect_get_data_access_cost):
13738         Workaround for SLP handling.
13739         (vect_enhance_data_refs_alignment):
13740         Compute costs for doing no peeling at all, compare to the best
13741         peeling costs so far and avoid peeling if cheaper.
13742
13743 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13744
13745         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
13746         Return peeling info and set costs to zero for unlimited cost
13747         model.
13748         (vect_enhance_data_refs_alignment): Also inspect all datarefs
13749         with unknown misalignment. Compute and costs for unknown
13750         misalignment, compare them to the costs for known misalignment
13751         and choose the cheapest for peeling.
13752
13753 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13754
13755         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
13756         (vect_get_peeling_costs_all_drs): Create function.
13757         (vect_peeling_hash_get_lowest_cost):
13758         Use vect_get_peeling_costs_all_drs.
13759         (vect_peeling_supportable): Create function.
13760         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
13761
13762 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13763
13764         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
13765         DR_HAS_NEGATIVE_STEP.
13766         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
13767         (vect_enhance_data_refs_alignment): Use.
13768         (vect_duplicate_ssa_name_ptr_info): Use.
13769         * tree-vectorizer.h (dr_misalignment): Use.
13770         (known_alignment_for_access_p): Use.
13771
13772 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
13773
13774         PR target/78838
13775         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
13776         .lowtext.
13777         (has_section_name): New function.
13778
13779 2017-05-30  Martin Liska  <mliska@suse.cz>
13780
13781         PR other/80909
13782         * auto-profile.c (get_function_decl_from_block): Fix
13783         parenthesis.
13784
13785 2017-05-30  Richard Biener  <rguenther@suse.de>
13786
13787         PR middle-end/80876
13788         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
13789
13790 2017-05-30  Martin Liska  <mliska@suse.cz>
13791
13792         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
13793         * dumpfile.h (struct dump_file_info): Remove ctors.
13794
13795 2017-05-30  Martin Liska  <mliska@suse.cz>
13796
13797         * predict.def: Fix GNU coding style.
13798
13799 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
13800
13801         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
13802         Mark 'to' argument with ATTRIBUTE_UNUSED.
13803
13804 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
13805
13806         * config/xtensa/xtensa.c (xtensa_emit_call): Use
13807         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
13808         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
13809         format string.
13810
13811 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
13812
13813         * doc/install.texi (Options specification): Restore entry of
13814         --enable-sjlj-exceptions.
13815
13816 2017-05-27  Michael Eager  <eager@eagercon.com>
13817
13818         Revert:
13819         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
13820
13821         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
13822
13823         * config/microblaze/microblaze.h
13824         (FIXED_REGISTERS): Update in macro.
13825         (CALL_USED_REGISTERS): Update in macro.
13826
13827 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
13828
13829         * doc/install.texi: Add links to macOS binary distributions.
13830
13831 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
13832
13833         PR bootstrap/80887
13834         Revert:
13835         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13836
13837         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
13838
13839 2017-05-26  Martin Liska  <mliska@suse.cz>
13840
13841         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
13842
13843 2017-05-26  Martin Liska  <mliska@suse.cz>
13844
13845         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
13846         always leading ';; '.
13847         (dump_bb_info): Likewise.
13848         (brief_dump_cfg): Likewise.
13849         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
13850         * dumpfile.c: Remove usage of TDF_VERBOSE.
13851         * dumpfile.h (enum dump_kind): Likewise.
13852         (dump_gimple_bb_header): Do not use TDF_COMMENT.
13853         * print-tree.c (debug_verbose): Remove.
13854         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
13855         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
13856         * tree-diagnostic.c (default_tree_printer): Replace
13857         TDF_DIAGNOSTIC with TDF_SLIM.
13858
13859 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13860
13861         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
13862         in parameter loop, rather than loop_vinfo.
13863         (create_intersect_range_checks): Ditto.
13864         (vect_create_cond_for_alias_checks): Update call to above functions.
13865
13866 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13867
13868         PR tree-optimization/80815
13869         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
13870         for merging runtime alias checks.  Handle negative DR_STEPs.
13871
13872 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13873
13874         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
13875         Move from ...
13876         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
13877         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
13878         out code pruning runtime alias checks.
13879         * tree-data-ref.c (prune_runtime_alias_test_list): New function
13880         factored out from above.
13881         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
13882         Move from ...
13883         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
13884         ... to here.
13885         (prune_runtime_alias_test_list): New decalaration.
13886
13887 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13888
13889         * tree-vect-data-refs.c (compare_tree): Rename and move ...
13890         * tree-data-ref.c (data_ref_compare_tree): ... to here.
13891         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
13892         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
13893         (operator==, comp_dr_with_seg_len_pair): Ditto.
13894         (vect_prune_runtime_alias_test_list): Ditto.
13895
13896 2017-05-26  Martin Liska  <mliska@suse.cz>
13897
13898         PR ipa/80663
13899         * params.def: Bound partial-inlining-entry-probability param.
13900
13901 2017-05-26  Marek Polacek  <polacek@redhat.com>
13902
13903         PR sanitizer/80875
13904         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
13905         can be negated.
13906
13907 2017-05-26  Richard Biener  <rguenther@suse.de>
13908
13909         PR tree-optimization/80842
13910         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
13911         value.
13912
13913 2017-05-26  Richard Biener  <rguenther@suse.de>
13914
13915         PR tree-optimization/80844
13916         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
13917
13918 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
13919
13920         * doc/md.texi (Machine Constraints): Update x86 family
13921         machine constraints section to match 'config/i386/constraints.md'.
13922
13923 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
13924
13925         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
13926
13927 2017-05-25  Nathan Sidwell  <nathan@acm.org>
13928
13929         * doc/invoke.texi (--enable-languages): Update documentation.
13930
13931 2017-05-25  Martin Liska  <mliska@suse.cz>
13932
13933         * dumpfile.c: Add TDF_FOLDING.
13934         * dumpfile.h (enum dump_kind): Likewise.
13935         * genmatch.c (dt_simplify::gen_1): Use it.
13936
13937 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13938
13939         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
13940
13941 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13942
13943         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
13944         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
13945
13946 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13947
13948         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
13949         * match.pd (X == C): Rewrite it here.
13950         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
13951         with_certain_nonzero_bits2): New predicates.
13952         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
13953
13954 2017-05-24  Nathan Sidwell  <nathan@acm.org>
13955
13956         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
13957         avoid warning.
13958
13959         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
13960         warning.
13961
13962 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
13963
13964         * config/powerpcspe: New port.  Files are copied from the rs6000
13965         port, with "rs6000" in filenames replaced by "powerpcspe".
13966
13967 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
13968
13969         PR rtl-optimization/80754
13970         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
13971
13972 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
13973
13974         * config/sparc/sparc.md (length): Return the correct value for -mflat
13975         sibcalls to match output_sibcall.
13976
13977 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
13978
13979         PR bootstrap/80860
13980         PR bootstrap/80843
13981         * config/rs6000/rs6000.c (struct machine_function): Add new field
13982         n_components.
13983         (rs6000_get_separate_components): Init that field, use it.
13984         (rs6000_components_for_bb): Use the field.
13985
13986 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13987
13988         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
13989
13990 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
13991
13992         PR middle-end/80823
13993         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
13994
13995 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13996
13997         PR target/80725
13998         * config/s390/s390.c (s390_check_qrst_address): Check incoming
13999         address against address_operand predicate.
14000         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
14001
14002 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
14003
14004         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
14005         parameters passed indirectly.
14006
14007 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
14008
14009         * config/i386/i386.md (*movdi_internal): Remove SSE4
14010         alternative 18 (?r, *v).  Update insn attributes.
14011         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
14012         Update insn attributes.
14013         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
14014         Update insn attributes.
14015         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
14016         alternative 1 (r, v). Remove isa attribute.
14017         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
14018         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
14019         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
14020
14021 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14022
14023         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
14024         dg-line directive.
14025
14026 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14027
14028         * cgraphunit.c (symbol_table::process_new_functions): Update.
14029         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
14030         (inline_generate_summary): Rename to ...
14031         (ipa_fn_summary_generate): ... this one.
14032         (inline_read_summary): Rename to ...
14033         (ipa_fn_summary_read): ... this one.
14034         (inline_write_summary): Rename to ...
14035         (ipa_fn_summary_write): ... this one.
14036         (inline_free_summary): Rename to ...
14037         (ipa_free_fn_summary): ... this one.
14038         (pass_data_local_fn_summary, pass_local_fn_summary,
14039         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
14040         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
14041         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
14042         make_pass_ipa_fn_summary): New.
14043         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
14044         inline_write_summary, inline_free_summary): Remove.
14045         (ipa_free_fn_summary) : New.
14046         * ipa-inline.c (ipa_inline): Update.
14047         (pass_ipa_inline): Do not generate summaries.
14048         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
14049         Remove.
14050         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
14051         and add pass_ipa_fn_summary.
14052         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
14053         New.
14054         (make_pass_inline_parameters): Remove.
14055
14056 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
14057
14058         * omp-low.c (struct omp_context): Remove "default_kind" member.
14059         Adjust all users.
14060
14061         * omp-offload.c (execute_oacc_device_lower): Remove the
14062         parallelism dimensions function attributes for unparallelized
14063         OpenACC kernels constructs.
14064
14065 2017-05-23  Martin Liska  <mliska@suse.cz>
14066
14067         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
14068         functions.
14069         (cgraph_edge::make_speculative): Likewise.
14070         (cgraph_edge::resolve_speculation): Likewise.
14071         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
14072         (cgraph_node::dump): Likewise.
14073         * cgraph.h: Likewise.
14074         * cgraphunit.c (analyze_functions): Likewise.
14075         (symbol_table::compile): Likewise.
14076         * ipa-cp.c (print_all_lattices): Likewise.
14077         (determine_versionability): Likewise.
14078         (initialize_node_lattices): Likewise.
14079         (ipcp_verify_propagated_values): Likewise.
14080         (estimate_local_effects): Likewise.
14081         (update_profiling_info): Likewise.
14082         (create_specialized_node): Likewise.
14083         (perhaps_add_new_callers): Likewise.
14084         (decide_about_value): Likewise.
14085         (decide_whether_version_node): Likewise.
14086         (identify_dead_nodes): Likewise.
14087         (ipcp_store_bits_results): Likewise.
14088         * ipa-devirt.c (dump_targets): Likewise.
14089         (ipa_devirt): Likewise.
14090         * ipa-icf.c (sem_item::dump): Likewise.
14091         (sem_function::equals): Likewise.
14092         (sem_variable::equals): Likewise.
14093         (sem_item_optimizer::read_section): Likewise.
14094         (sem_item_optimizer::execute): Likewise.
14095         (congruence_class::dump): Likewise.
14096         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
14097         (dump_inline_summary): Likewise.
14098         (estimate_node_size_and_time): Likewise.
14099         (inline_analyze_function): Likewise.
14100         * ipa-inline-transform.c (inline_call): Likewise.
14101         * ipa-inline.c (report_inline_failed_reason): Likewise.
14102         (want_early_inline_function_p): Likewise.
14103         (edge_badness): Likewise.
14104         (update_edge_key): Likewise.
14105         (inline_small_functions): Likewise.
14106         * ipa-profile.c (ipa_profile): Likewise.
14107         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
14108         (ipa_make_edge_direct_to_target): Likewise.
14109         (remove_described_reference): Likewise.
14110         (ipa_impossible_devirt_target): Likewise.
14111         (propagate_controlled_uses): Likewise.
14112         (ipa_print_node_params): Likewise.
14113         (ipcp_transform_function): Likewise.
14114         * ipa-pure-const.c (pure_const_read_summary): Likewise.
14115         (propagate_pure_const): Likewise.
14116         * ipa-reference.c (generate_summary): Likewise.
14117         (read_write_all_from_decl): Likewise.
14118         (propagate): Likewise.
14119         (ipa_reference_read_optimization_summary): Likewise.
14120         * ipa-utils.c (ipa_merge_profiles): Likewise.
14121         * ipa.c (walk_polymorphic_call_targets): Likewise.
14122         (symbol_table::remove_unreachable_nodes): Likewise.
14123         (ipa_single_use): Likewise.
14124         * passes.c (execute_todo): Likewise.
14125         * predict.c (drop_profile): Likewise.
14126         * symtab.c (symtab_node::get_dump_name): New function.
14127         (symtab_node::dump_name): Likewise.
14128         (symtab_node::dump_asm_name): Likewise.
14129         (symtab_node::dump_references): Likewise.
14130         (symtab_node::dump_referring): Likewise.
14131         (symtab_node::dump_base): Likewise.
14132         (symtab_node::debug_symtab): Likewise.
14133         * tree-sra.c (convert_callers_for_node): Likewise.
14134         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
14135         * value-prof.c (init_node_map): Likewise.
14136
14137 2017-05-23  Martin Liska  <mliska@suse.cz>
14138
14139         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
14140         and symtab_node::debug_symtab to symbol_table::debug.
14141         * cgraphunit.c (analyze_functions): Use the renamed function.
14142         (symbol_table::compile): Likewise.
14143         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
14144         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
14145         * passes.c (execute_todo): Likewise.
14146         * symtab.c (symbol_table::dump): New function.
14147         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
14148
14149 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14150
14151         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
14152         that nonconst implies exec.
14153
14154 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14155
14156         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14157         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14158         (inline_edge_summary_vec): Turn into ...
14159         (ipa_call_summaries): ... this one.
14160         (redirect_to_unreachable, edge_set_predicate,
14161         evaluate_properties_for_edge, inline_summary_alloc,
14162         reset_ipa_call_summary, reset_inline_summary,
14163         inline_summary_t::duplicate): Update.
14164         (inline_edge_duplication_hook): Turn to ...
14165         (ipa_call_summary_t::duplicate): ... this one.
14166         (inline_edge_removal_hook): Turn to ...
14167         (ipa_call_summary_t::remove): ... this one.
14168         (dump_inline_edge_summary): Turn to ...
14169         (dump_ipa_call_summary): ... this one.
14170         (estimate_function_body_sizes): Update.
14171         (inline_update_callee_summaries): Update.
14172         (remap_edge_change_prob): Update.
14173         (remap_edge_summaries): Update.
14174         (inline_merge_summary): Update.
14175         (do_estimate_edge_time): Update.
14176         (inline_generate_summary): Update.
14177         (inline_read_section): Update.
14178         (inline_read_summary): Update.
14179         (inline_free_summary): Update.
14180         * ipa-inline.c (can_inline_edge_p): Update.
14181         (compute_inlined_call_time): Update.
14182         (want_inline_small_function_p): Update.
14183         (edge_badness): Update.
14184         (early_inliner): Update.
14185         * ipa-inline.h (inline_edge_summary): Turn to ...
14186         (ipa_call_summary): ... this one.
14187         (ipa_call_summary_t): New class.
14188         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14189         (ipa_call_summaries): New.
14190         (inline_edge_summary): Remove.
14191         (estimate_edge_growth): Update.
14192         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14193         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14194         * ipa-split.c (execute_split_functions): Update.
14195         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14196
14197 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14198
14199         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14200         attributes): Document rdrand effective target.
14201
14202 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14203
14204         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14205         attributes): Sort alphabetically.
14206
14207 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
14208
14209         * config/avr/genmultilib.awk: Use gsub instead of gensub.
14210
14211 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14212
14213         PR target/80718
14214         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
14215         V2DF/V2DI splat into two separate patterns, one that handles
14216         registers, and the other that only handles memory.  Drop support
14217         for splatting from a GPR on ISA 2.07 and then splitting the
14218         splat into direct move and splat.
14219         (vsx_splat_<mode>_reg): Likewise.
14220         (vsx_splat_<mode>_mem): Likewise.
14221
14222 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
14223
14224         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
14225
14226 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
14227
14228         PR middle-end/80809
14229         * omp-low.c (finish_taskreg_remap): New function.
14230         (finish_taskreg_scan): If unit size of ctx->record_type
14231         is non-constant, unshare the size expression and replace
14232         decls in it with possible outer var refs.
14233
14234         PR middle-end/80809
14235         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
14236         GOVD_SHARED rather than GOVD_PRIVATE with it.
14237         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
14238         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
14239
14240         PR middle-end/80853
14241         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
14242         as last argument to build_outer_var_ref for pointer bases of array
14243         section reductions.
14244
14245 2017-05-19  Martin Sebor  <msebor@redhat.com>
14246
14247         * print-tree.c (print_node): Print DECL_READ_P flag.
14248
14249 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14250
14251         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
14252         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
14253         * cgraph.c: Likewise.
14254         * cgraphunit.c: Likewise.
14255         * gengtype.c: Likewise.
14256         * ipa-cp.c: Likewise.
14257         * ipa-devirt.c: Likewise.
14258         * ipa-icf.c: Likewise.
14259         * ipa-predicate.c: Likewise.
14260         * ipa-profile.c: Likewise.
14261         * ipa-prop.c: Likewise.
14262         * ipa-split.c: Likewise.
14263         * ipa.c: Likewise.
14264         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
14265         edge_predicate_pool, dump_inline_hints,
14266         inline_summary::account_size_time, redirect_to_unreachable,
14267         edge_set_predicate, set_hint_predicate,
14268         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
14269         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
14270         inline_summary_t::remove, remap_hint_predicate_after_duplication,
14271         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
14272         ipa_call_summary_t::remove, initialize_growth_caches,
14273         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
14274         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
14275         mark_modified, unmodified_parm_1, unmodified_parm,
14276         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
14277         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
14278         compute_bb_predicates, will_be_nonconstant_expr_predicate,
14279         will_be_nonconstant_predicate, record_modified_bb_info,
14280         get_minimal_bb, record_modified, param_change_prob,
14281         phi_result_unknown_predicate, predicate_for_phi_result,
14282         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
14283         estimate_function_body_sizes, compute_inline_parameters,
14284         compute_inline_parameters_for_curren, pass_data_inline_parameters,
14285         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
14286         inline_update_callee_summaries, remap_edge_change_prob,
14287         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
14288         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
14289         inline_analyze_function, inline_summary_t::insert,
14290         inline_generate_summary, read_ipa_call_summary, inline_read_section,
14291         inline_read_summary, write_ipa_call_summary, inline_write_summary,
14292         inline_free_summary): Move to ipa-fnsummary.h
14293         (predicate_t): Remove.
14294         * ipa-fnsummary.c: New file.
14295         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
14296         (enum inline_hints_vals, inline_hints, agg_position_info,
14297         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
14298         inline_summaries, ipa_call_summary, ipa_call_summary_t,
14299         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
14300         dump_inline_summary, dump_inline_hints, inline_generate_summary,
14301         inline_read_summary, inline_write_summary, inline_free_summary,
14302         inline_analyze_function, initialize_inline_failed,
14303         inline_merge_summary, inline_update_overall_summary,
14304         compute_inline_parameters): Move to ipa-fnsummary.h
14305         * ipa-fnsummary.h: New file.
14306         * ipa-inline-transform.h: Include ipa-inline.h.
14307         * ipa-inline.c: LIkewise.
14308
14309 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14310
14311         * ipa-inline.c (edge_badness): Use inlined_time instead of
14312         inline_summaries->get.
14313
14314 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14315
14316         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
14317
14318 2017-05-22  Nathan Sidwell  <nathan@acm.org>
14319
14320         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
14321         (fdump-lang): Document 'raw' option.
14322         * dumpfile.h (TDI_tu): Delete.
14323         * dumpfile.c (dump_files): Remove translation-unit.
14324         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
14325
14326 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
14327
14328         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
14329         command option from $(AWK) call.
14330         * config/avr/genmultilib.awk: Simplify and rewrite so that it
14331         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
14332         [FORMAT]: Remove handling of variable.
14333         * config/avr/t-multilib: Regenerate.
14334
14335 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14336
14337         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
14338         self_time.
14339         (dump_inline_summary): Do not print self_time.
14340         (estimate_function_body_sizes): Do not set self_time.
14341         (compute_inline_parameters): Likewise.
14342         (inline_read_section, inline_write_summary): Do not stream self_time.
14343         * ipa-inline.h (inline_summary): Drop self_time.
14344
14345 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14346
14347         * ipa-inline-analysis.c (account_size_time): Rename to ...
14348         (inline_summary::account_size_time): ... this one.
14349         (reset_ipa_call_summary): Turn to ...
14350         (ipa_call_summary::reset): ... this one.
14351         (reset_inline_summary): Turn to ...
14352         (inline_summary::reset): ... this one.
14353         (inline_summary_t::remove): Update.
14354         (inline_summary_t::duplicate): Update.
14355         (ipa_call_summary_t::remove): Update.
14356         (dump_inline_summary): Update.
14357         (estimate_function_body_sizes): Update.
14358         (compute_inline_parameters): Update.
14359         (estimate_node_size_and_time): Update.
14360         (inline_merge_summary): Update.
14361         (inline_update_overall_summary): Update.
14362         (inline_read_section): Update.
14363         (inline_write_summary): Update.
14364         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
14365         add account_size_time and reset member functions.
14366         (ipa_call_summary): Add reset function.
14367         * ipa-predicate.h (predicate::operator &): Constify.
14368
14369 2017-05-22  Richard Biener  <rguenther@suse.de>
14370
14371         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
14372
14373 2017-05-19  Jason Merrill  <jason@redhat.com>
14374
14375         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
14376
14377 2017-05-19  Marek Polacek  <polacek@redhat.com>
14378
14379         PR sanitizer/80800
14380         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
14381         TYPE_OVERFLOW_WRAPS checks.
14382
14383 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
14384
14385         * tree-core.h (enum omp_clause_default_kind): Add
14386         "OMP_CLAUSE_DEFAULT_PRESENT".
14387         * tree-pretty-print.c (dump_omp_clause): Handle it.
14388         * gimplify.c (enum gimplify_omp_var_data): Add
14389         "GOVD_MAP_FORCE_PRESENT".
14390         (gimplify_adjust_omp_clauses_1): Map it to
14391         "GOMP_MAP_FORCE_PRESENT".
14392         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
14393
14394         * gimplify.c (oacc_default_clause): Clarify.
14395
14396 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14397
14398         LANG_HOOK_REGISTER_DUMPS
14399         * toplev.c (general_init): Call register dump lang hook.
14400         * doc/invoke.texi: Document -fdump-lang option family.
14401         * dumpfile.c (dump_files): Remove class dump here.
14402         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
14403         * dumpfile.h (tree_dump_index): Remove TDI_class.
14404         * langhooks-def.h (lhd_register_dumps): Declare.
14405         (LANG_HOOKS_REGISTER_DUMPS): Define.
14406         (LANG_HOOKS_INITIALIZER): Add it.
14407         * langhooks.c (lhd_register_dumps): Define.
14408         * langhooks.h (struct lang_hooks): Add register_dumps.
14409
14410 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14411
14412         * context.h (context::set_passes): New.
14413         * context.c (context::context): Do not create pass manager.
14414         * toplev.c (general_init): Create pass manager here.
14415
14416 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
14417
14418         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
14419         use this splitter if two add or or instructions would also work for
14420         the constant we want to generate.
14421
14422 2017-05-19  Richard Biener  <rguenther@suse.de>
14423
14424         PR build/80821
14425         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
14426         predicate evaluation.
14427
14428 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14429
14430         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
14431         add ctor.
14432         * ipa-inline.c (want_inline_small_function_p): Do not cast to
14433         unsigned.
14434
14435 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
14436
14437         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14438         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14439         (inline_edge_summary_vec): Turn into ...
14440         (ipa_call_summaries): ... this one.
14441         (redirect_to_unreachable, edge_set_predicate,
14442         evaluate_properties_for_edge, inline_summary_alloc,
14443         reset_ipa_call_summary, reset_inline_summary,
14444         inline_summary_t::duplicate): Update.
14445         (inline_edge_duplication_hook): Turn to ...
14446         (ipa_call_summary_t::duplicate): ... this one.
14447         (inline_edge_removal_hook): Turn to ...
14448         (ipa_call_summary_t::remove): ... this one.
14449         (dump_inline_edge_summary): Turn to ...
14450         (dump_ipa_call_summary): ... this one.
14451         (estimate_function_body_sizes): Update.
14452         (inline_update_callee_summaries): Update.
14453         (remap_edge_change_prob): Update.
14454         (remap_edge_summaries): Update.
14455         (inline_merge_summary): Update.
14456         (do_estimate_edge_time): Update.
14457         (inline_generate_summary): Update.
14458         (inline_read_section): Update.
14459         (inline_read_summary): Update.
14460         (inline_free_summary): Update.
14461         * ipa-inline.c (can_inline_edge_p): Update.
14462         (compute_inlined_call_time): Update.
14463         (want_inline_small_function_p): Update.
14464         (edge_badness): Update.
14465         (early_inliner): Update.
14466         * ipa-inline.h (inline_edge_summary): Turn to ...
14467         (ipa_call_summary): ... this one.
14468         (ipa_call_summary_t): New class.
14469         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14470         (ipa_call_summaries): New.
14471         (inline_edge_summary): Remove.
14472         (estimate_edge_growth): Update.
14473         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14474         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14475         * ipa-split.c (execute_split_functions): Update.
14476         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14477
14478 2017-05-19  Richard Biener  <rguenther@suse.de>
14479
14480         PR middle-end/80764
14481         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
14482
14483 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
14484
14485         * config/rs6000/rs6000.c (struct machine_function): Add field
14486         fpr_is_wrapped_separately.
14487         (rs6000_get_separate_components): Use 64 components.  Handle the
14488         new FPR components.
14489         (rs6000_components_for_bb): Handle the FPR components.
14490         (rs6000_emit_prologue_components): Handle the FPR components.
14491         (rs6000_emit_epilogue_components): Handle the FPR components.
14492         (rs6000_set_handled_components): Handle the FPR components.
14493         (rs6000_emit_prologue): Don't output prologue code for those FPRs
14494         that are already separately shrink-wrapped.
14495         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
14496         that are already separately shrink-wrapped.
14497
14498 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
14499
14500         PR target/80510
14501         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
14502         New predicate.
14503
14504         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
14505         (define_peephole2 for Altivec d-form load): Add peepholes to catch
14506         cases where the register allocator uses a move and an offsettable
14507         memory operation to/from a FPR register on ISA 2.06/2.07.
14508         (define_peephole2 for Altivec d-form store): Likewise.
14509
14510 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
14511
14512         PR target/80799
14513         * config/i386/mmx.md (*mov<mode>_internal): Enable
14514         alternatives 11, 12, 13 and 14 also for 32bit targets.
14515         Remove alternatives 15, 16, 17 and 18.
14516         * config/i386/sse.md (vec_concatv2di): Change
14517         alternative (!x, *y) to (x, ?!*Yn).
14518
14519 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
14520
14521         * dumpfile.h (enum dump_kind): Remove stray comma.
14522
14523 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14524
14525         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
14526         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
14527         predicate::num_conditions
14528         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
14529         (CHANGED): turn into predicate::changed.
14530         (agg_position_info): Move to ipa-predicate.h
14531         (add_condition, predicate::add_clause, predicate::operator &=,
14532         predicate::or_with, predicate::evaluate, predicate::probability,
14533         dump_condition, dump_clause, predicate::dump,
14534         predicate::remap_after_duplication, predicate::remap_after_inlining,
14535         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
14536         (evaluate_conditions_for_known_args): Update.
14537         (set_cond_stmt_execution_predicate): Update.
14538         * ipa-inline.h: Include ipa-predicate.h
14539         (condition, inline_param_summary, conditions, agg_position_info,
14540         predicate): Move to ipa-predicate.h
14541         * ipa-predicate.c: New file.
14542         * ipa-predicate.h: New file.
14543
14544 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
14545
14546         * final.c (leaf_function_p): Check we are not in a sequence.
14547
14548 2017-05-18  Martin Liska  <mliska@suse.cz>
14549
14550         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
14551         * dumpfile.c (dump_register): Use new enum dump_kind.
14552         (get_dump_file_name): Likewise.
14553         (dump_enable_all): Likewise.
14554         (dump_switch_p_1): Likewise.
14555         (enable_rtl_dump_file): Remove usage of TDF_RTL.
14556         * dumpfile.h (enum dump_kind): New enum type.
14557         (struct dump_file_info): Create constructor and
14558         format fields and comments.
14559         * passes.c (pass_manager::register_one_dump_file):
14560         Use num dump_kind.
14561         * statistics.c (statistics_early_init): Likewise.
14562         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
14563         TDF_TREE with TDF_SLIM.
14564         (gather_memory_references_ref): Likewise.
14565
14566 2017-05-18  Martin Liska  <mliska@suse.cz>
14567
14568         * vec.h (struct vnull): Use it.
14569
14570 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14571
14572         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
14573         (true_predicate, false_predicate, true_predicate_p,
14574         false_predicate_p): Remove.
14575         (single_cond_predicate, not_inlined_predicate): Turn to member function
14576         in ipa-inline.h
14577         (add_condition): Update.
14578         (add_clause): Turn to...
14579         (predicate::add_clause): ... this one; update; allow passing NULL
14580         as parameter.
14581         (and_predicates): Turn to ...
14582         (predicate::operator &=): ... this one.
14583         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
14584         (or_predicates): Turn to ...
14585         (predicate::or_with): ... this one.
14586         (evaluate_predicate): Turn to ...
14587         (predicate::evaluate): ... this one.
14588         (predicate_probability): Turn to ...
14589         (predicate::probability): ... this one.
14590         (dump_condition): Update.
14591         (dump_predicate): Turn to ...
14592         (predicate::dump): ... this one.
14593         (account_size_time): Update.
14594         (edge_set_predicate): Update.
14595         (set_hint_predicate): UPdate.
14596         (evaluate_conditions_for_known_args): Update.
14597         (evaluate_properties_for_edge): Update.
14598         (remap_predicate_after_duplication): Turn to...
14599         (predicate::remap_after_duplication): ... this one.
14600         (remap_hint_predicate_after_duplication): Update.
14601         (inline_summary_t::duplicate): UPdate.
14602         (dump_inline_edge_summary): Update.
14603         (dump_inline_summary): Update.
14604         (set_cond_stmt_execution_predicate): Update.
14605         (set_switch_stmt_execution_predicate): Update.
14606         (compute_bb_predicates): Update.
14607         (will_be_nonconstant_expr_predicate): Update.
14608         (will_be_nonconstant_predicate): Update.
14609         (phi_result_unknown_predicate): Update.
14610         (predicate_for_phi_result): Update.
14611         (array_index_predicate): Update.
14612         (estimate_function_body_sizes): Update.
14613         (estimate_node_size_and_time): Update.
14614         (estimate_ipcp_clone_size_and_time): Update.
14615         (remap_predicate): Rename to ...
14616         (predicate::remap_after_inlining): ... this one.
14617         (remap_hint_predicate): Update.
14618         (inline_merge_summary): Update.
14619         (inline_update_overall_summary): Update.
14620         (estimate_size_after_inlining): Update.
14621         (read_predicate): Rename to ...
14622         (predicate::stream_in): ... this one.
14623         (read_inline_edge_summary): Update.
14624         (write_predicate): Rename to ...
14625         (predicate::stream_out): ... this one.
14626         (write_inline_edge_summary): Update.
14627         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
14628         (clause_t): Turn to uint32_t
14629         (predicate): Turn to class; implement constructor and operators
14630         ==, !=, &
14631         (size_time_entry): Update.
14632         (inline_summary): Update.
14633         (inline_edge_summary): Update.
14634
14635 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
14636
14637         * fold-const.c (fold_binary_loc): Move transformation...
14638         * match.pd (C - X CMP X): ... here.
14639
14640 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
14641
14642         * config/sparc/sparc.c (sparc_option_override): Set function
14643         alignment for -mcpu=niagara7 to 64 to match the I$ line.
14644         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
14645         latency to 1.
14646         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
14647         latency to 2.
14648         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
14649
14650 2017-05-18  Marek Polacek  <polacek@redhat.com>
14651
14652         PR sanitizer/80797
14653         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
14654         (pass_ubsan::execute): Call gimple_assign_single_p instead of
14655         gimple_assign_load_p.
14656
14657 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
14658
14659         PR middle-end/80692
14660         * real.c (do_compare): Give decimal_do_compare preference over
14661         comparing just the signs.
14662
14663 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
14664
14665         * doc/md.texi (Canonicalization of Instructions): Describe the
14666         canonical form of instructions that inherently set a condition
14667         code register.
14668
14669 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
14670
14671         PR middle-end/80775
14672         * tree-cfg.c: Move deletion of unreachable case statements to after
14673         the merging of consecutive case labels.
14674
14675 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14676
14677         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
14678         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
14679         restoring of callee-saved registers.
14680
14681 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
14682
14683         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
14684         * config/visium/visium.c (single_set_and_flags): Likewise.
14685         * config/visium/visium.md (Substitutions): Likewise.
14686
14687 2017-05-17  Martin Liska  <mliska@suse.cz>
14688
14689         * cfg.c: Introduce dump_flags_t type and
14690         use it instead of int type.
14691         * cfg.h: Likewise.
14692         * cfghooks.c: Likewise.
14693         * cfghooks.h (struct cfg_hooks): Likewise.
14694         * cfgrtl.c: Likewise.
14695         * cfgrtl.h: Likewise.
14696         * cgraph.c (cgraph_node::get_body): Likewise.
14697         * coretypes.h: Likewise.
14698         * domwalk.c: Likewise.
14699         * domwalk.h: Likewise.
14700         * dumpfile.c (struct dump_option_value_info): Likewise.
14701         (dump_enable_all): Likewise.
14702         (dump_switch_p_1): Likewise.
14703         (opt_info_switch_p): Likewise.
14704         * dumpfile.h (enum tree_dump_index): Likewise.
14705         (struct dump_file_info): Likewise.
14706         * genemit.c: Likewise.
14707         * generic-match-head.c: Likewise.
14708         * gengtype.c (open_base_files): Likewise.
14709         * gimple-pretty-print.c: Likewise.
14710         * gimple-pretty-print.h: Likewise.
14711         * graph.c (print_graph_cfg): Likewise.
14712         * graphite-scop-detection.c (dot_all_sese): Likewise.
14713         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
14714         * loop-unroll.c (report_unroll): Likewise.
14715         * passes.c (pass_manager::register_one_dump_file): Likewise.
14716         * print-tree.c: Likewise.
14717         * statistics.c: Likewise.
14718         * tree-cfg.c: Likewise.
14719         * tree-cfg.h: Likewise.
14720         * tree-dfa.c: Likewise.
14721         * tree-dfa.h: Likewise.
14722         * tree-dump.c (dump_function): Likewise.
14723         * tree-dump.h (struct dump_info): Likewise.
14724         * tree-pretty-print.c: Likewise.
14725         * tree-pretty-print.h: Likewise.
14726         * tree-ssa-live.c: Likewise.
14727         * tree-ssa-live.h: Likewise.
14728         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
14729         * tree-vect-loop.c: Likewise.
14730         * tree-vect-slp.c: Likewise.
14731
14732 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
14733             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14734
14735         PR tree-optimization/80457
14736         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
14737         of all arguments to a statement as scalar_to_vec operations.
14738         (vectorizable_call): Adjust call to vect_model_simple_cost for
14739         new parameter.
14740         (vectorizable_conversion): Likewise.
14741         (vectorizable_assignment): Likewise.
14742         (vectorizable_shift): Likewise.
14743         (vectorizable_operation): Likewise.
14744         (vectorizable_comparison): Likewise.
14745         (vect_is_simple_cond): Record the def types for operands.
14746         (vectorizable_condition): Likewise, call vect_model_simple_cost.
14747         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
14748         for statement argument count.
14749
14750 2017-05-16  Carl Love  <cel@us.ibm.com>
14751
14752         * config/rs6000/rs6000-c: Add support for built-in functions
14753         vector unsigned long long vec_bperm (vector unsigned long long,
14754                                              vector unsigned char)
14755         vector signed long long vec_mule (vector signed int,
14756                                           vector signed int)
14757         vector unsigned long long vec_mule (vector unsigned int,
14758                                             vector unsigned int)
14759         vector signed long long vec_mulo (vector signed int,
14760                                           vector signed int)
14761         vector unsigned long long vec_mulo (vector unsigned int,
14762                                             vector unsigned int)
14763         vector signed char vec_sldw (vector signed char,
14764                                      vector signed char,
14765                                      const int)
14766         vector unsigned char vec_sldw (vector unsigned char,
14767                                        vector unsigned char,
14768                                        const int)
14769         vector signed short vec_sldw (vector signed short,
14770                                       vector signed short,
14771                                       const int)
14772         vector unsigned short vec_sldw (vector unsigned short,
14773                                         vector unsigned short,
14774                                         const int)
14775         vector signed int vec_sldw (vector signed int,
14776                                     vector signed int,
14777                                     const int)
14778         vector unsigned int vec_sldw (vector unsigned int,
14779                                       vector unsigned int,
14780                                       const int)
14781         vector signed long long vec_sldw (vector signed long long,
14782                                           vector signed long long,
14783                                           const int)
14784         vector unsigned long long vec_sldw (vector unsigned long long,
14785                                             vector unsigned long long,
14786                                             const int)
14787         * config/rs6000/rs6000-c: Add support for built-in functions
14788         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
14789         * config/rs6000/altivec.h: Add defintion for vec_sldw.
14790         * doc/extend.texi: Update the built-in documentation for the
14791         new built-in functions.
14792
14793 2017-05-16  Marek Polacek  <polacek@redhat.com>
14794
14795         PR sanitizer/80536
14796         PR sanitizer/80386
14797         * tree.c (save_expr): Don't fold the expression.
14798
14799 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
14800
14801         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
14802         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
14803         and (?*y,m).  Update insn attributes.
14804
14805 2017-05-16  Martin Liska  <mliska@suse.cz>
14806
14807         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
14808         flags argument of print_gimple_stmt, print_gimple_expr,
14809         print_generic_stmt and print_generic_expr.
14810         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
14811         * coretypes.h: Likewise.
14812         * except.c (dump_eh_tree): Likewise.
14813         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
14814         * gimple-pretty-print.h: Likewise.
14815         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
14816         (backprop::push_to_worklist): Likewise.
14817         (backprop::pop_from_worklist): Likewise.
14818         (backprop::process_use): Likewise.
14819         (backprop::intersect_uses): Likewise.
14820         (note_replacement): Likewise.
14821         * gimple-ssa-store-merging.c
14822         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
14823         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
14824         (pass_store_merging::execute): Likewise.
14825         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
14826         (ssa_base_cand_dump_callback): Likewise.
14827         (dump_incr_vec): Likewise.
14828         (replace_refs): Likewise.
14829         (replace_mult_candidate): Likewise.
14830         (create_add_on_incoming_edge): Likewise.
14831         (create_phi_basis): Likewise.
14832         (insert_initializers): Likewise.
14833         (all_phi_incrs_profitable): Likewise.
14834         (introduce_cast_before_cand): Likewise.
14835         (replace_one_candidate): Likewise.
14836         * gimplify.c (gimplify_expr): Likewise.
14837         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
14838         (set_rename): Likewise.
14839         (rename_uses): Likewise.
14840         (copy_loop_phi_nodes): Likewise.
14841         (add_close_phis_to_merge_points): Likewise.
14842         (copy_loop_close_phi_args): Likewise.
14843         (copy_cond_phi_args): Likewise.
14844         (graphite_copy_stmts_from_block): Likewise.
14845         (translate_pending_phi_nodes): Likewise.
14846         * graphite-poly.c (print_pdr): Likewise.
14847         (dump_gbb_cases): Likewise.
14848         (dump_gbb_conditions): Likewise.
14849         (print_scop_params): Likewise.
14850         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
14851         (build_cross_bb_scalars_use): Likewise.
14852         (gather_bbs::before_dom_children): Likewise.
14853         * hsa-dump.c (dump_hsa_immed): Likewise.
14854         * ipa-cp.c (print_ipcp_constant_value): Likewise.
14855         (get_replacement_map): Likewise.
14856         * ipa-inline-analysis.c (dump_condition): Likewise.
14857         (estimate_function_body_sizes): Likewise.
14858         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
14859         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
14860         * ipa-prop.c (ipa_dump_param): Likewise.
14861         (ipa_print_node_jump_functions_for_edge): Likewise.
14862         (ipa_modify_call_arguments): Likewise.
14863         (ipa_modify_expr): Likewise.
14864         (ipa_dump_param_adjustments): Likewise.
14865         (ipa_dump_agg_replacement_values): Likewise.
14866         (ipcp_modif_dom_walker::before_dom_children): Likewise.
14867         * ipa-pure-const.c (check_stmt): Likewise.
14868         (pass_nothrow::execute): Likewise.
14869         * ipa-split.c (execute_split_functions): Likewise.
14870         * omp-offload.c (dump_oacc_loop_part): Likewise.
14871         (dump_oacc_loop): Likewise.
14872         * trans-mem.c (tm_log_emit): Likewise.
14873         (tm_memopt_accumulate_memops): Likewise.
14874         (dump_tm_memopt_set): Likewise.
14875         (dump_tm_memopt_transform): Likewise.
14876         * tree-cfg.c (gimple_verify_flow_info): Likewise.
14877         (print_loop): Likewise.
14878         * tree-chkp-opt.c (chkp_print_addr): Likewise.
14879         (chkp_gather_checks_info): Likewise.
14880         (chkp_get_check_result): Likewise.
14881         (chkp_remove_check_if_pass): Likewise.
14882         (chkp_use_outer_bounds_if_possible): Likewise.
14883         (chkp_reduce_bounds_lifetime): Likewise.
14884         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
14885         (chkp_mark_completed_bounds): Likewise.
14886         (chkp_register_incomplete_bounds): Likewise.
14887         (chkp_mark_invalid_bounds): Likewise.
14888         (chkp_maybe_copy_and_register_bounds): Likewise.
14889         (chkp_build_returned_bound): Likewise.
14890         (chkp_get_bound_for_parm): Likewise.
14891         (chkp_build_bndldx): Likewise.
14892         (chkp_get_bounds_by_definition): Likewise.
14893         (chkp_generate_extern_var_bounds): Likewise.
14894         (chkp_get_bounds_for_decl_addr): Likewise.
14895         * tree-chrec.c (chrec_apply): Likewise.
14896         * tree-data-ref.c (dump_data_reference): Likewise.
14897         (dump_subscript): Likewise.
14898         (dump_data_dependence_relation): Likewise.
14899         (analyze_overlapping_iterations): Likewise.
14900         * tree-inline.c (expand_call_inline): Likewise.
14901         (tree_function_versioning): Likewise.
14902         * tree-into-ssa.c (dump_defs_stack): Likewise.
14903         (dump_currdefs): Likewise.
14904         (dump_names_replaced_by): Likewise.
14905         (dump_update_ssa): Likewise.
14906         (update_ssa): Likewise.
14907         * tree-object-size.c (pass_object_sizes::execute): Likewise.
14908         * tree-parloops.c (build_new_reduction): Likewise.
14909         (try_create_reduction_list): Likewise.
14910         (ref_conflicts_with_region): Likewise.
14911         (oacc_entry_exit_ok_1): Likewise.
14912         (oacc_entry_exit_single_gang): Likewise.
14913         * tree-pretty-print.h: Likewise.
14914         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
14915         (get_scalar_evolution): Likewise.
14916         (add_to_evolution): Likewise.
14917         (get_loop_exit_condition): Likewise.
14918         (analyze_evolution_in_loop): Likewise.
14919         (analyze_initial_condition): Likewise.
14920         (analyze_scalar_evolution): Likewise.
14921         (instantiate_scev): Likewise.
14922         (number_of_latch_executions): Likewise.
14923         (gather_chrec_stats): Likewise.
14924         (final_value_replacement_loop): Likewise.
14925         (scev_const_prop): Likewise.
14926         * tree-sra.c (dump_access): Likewise.
14927         (disqualify_candidate): Likewise.
14928         (create_access): Likewise.
14929         (reject): Likewise.
14930         (maybe_add_sra_candidate): Likewise.
14931         (create_access_replacement): Likewise.
14932         (analyze_access_subtree): Likewise.
14933         (analyze_all_variable_accesses): Likewise.
14934         (sra_modify_assign): Likewise.
14935         (initialize_constant_pool_replacements): Likewise.
14936         (find_param_candidates): Likewise.
14937         (decide_one_param_reduction): Likewise.
14938         (replace_removed_params_ssa_names): Likewise.
14939         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
14940         * tree-ssa-copy.c (dump_copy_of): Likewise.
14941         (copy_prop_visit_cond_stmt): Likewise.
14942         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
14943         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
14944         (record_equivalences_from_stmt): Likewise.
14945         * tree-ssa-dse.c (compute_trims): Likewise.
14946         (delete_dead_call): Likewise.
14947         (delete_dead_assignment): Likewise.
14948         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
14949         (forward_propagate_into_cond): Likewise.
14950         (pass_forwprop::execute): Likewise.
14951         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
14952         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
14953         Likewise.
14954         (move_computations_worker): Likewise.
14955         (execute_sm): Likewise.
14956         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
14957         (remove_exits_and_undefined_stmts): Likewise.
14958         (remove_redundant_iv_tests): Likewise.
14959         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
14960         (adjust_iv_update_pos): Likewise.
14961         * tree-ssa-math-opts.c (bswap_replace): Likewise.
14962         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
14963         (value_replacement): Likewise.
14964         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
14965         * tree-ssa-pre.c (print_pre_expr): Likewise.
14966         (get_representative_for): Likewise.
14967         (create_expression_by_pieces): Likewise.
14968         (insert_into_preds_of_block): Likewise.
14969         (eliminate_insert): Likewise.
14970         (eliminate_dom_walker::before_dom_children): Likewise.
14971         (eliminate): Likewise.
14972         (remove_dead_inserted_code): Likewise.
14973         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
14974         * tree-ssa-reassoc.c (get_rank): Likewise.
14975         (eliminate_duplicate_pair): Likewise.
14976         (eliminate_plus_minus_pair): Likewise.
14977         (eliminate_not_pairs): Likewise.
14978         (undistribute_ops_list): Likewise.
14979         (eliminate_redundant_comparison): Likewise.
14980         (update_range_test): Likewise.
14981         (optimize_range_tests_var_bound): Likewise.
14982         (optimize_vec_cond_expr): Likewise.
14983         (rewrite_expr_tree): Likewise.
14984         (rewrite_expr_tree_parallel): Likewise.
14985         (linearize_expr): Likewise.
14986         (break_up_subtract): Likewise.
14987         (linearize_expr_tree): Likewise.
14988         (attempt_builtin_powi): Likewise.
14989         (attempt_builtin_copysign): Likewise.
14990         (transform_stmt_to_copy): Likewise.
14991         (transform_stmt_to_multiply): Likewise.
14992         (dump_ops_vector): Likewise.
14993         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
14994         (print_scc): Likewise.
14995         (set_ssa_val_to): Likewise.
14996         (visit_reference_op_store): Likewise.
14997         (visit_use): Likewise.
14998         (sccvn_dom_walker::before_dom_children): Likewise.
14999         (run_scc_vn): Likewise.
15000         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
15001         Likewise.
15002         (expr_hash_elt::print): Likewise.
15003         (const_and_copies::pop_to_marker): Likewise.
15004         (const_and_copies::record_const_or_copy_raw): Likewise.
15005         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
15006         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
15007         (dump_predicates): Likewise.
15008         (find_uninit_use): Likewise.
15009         (warn_uninitialized_phi): Likewise.
15010         (pass_late_warn_uninitialized::execute): Likewise.
15011         * tree-ssa.c (verify_vssa): Likewise.
15012         (verify_ssa): Likewise.
15013         (maybe_optimize_var): Likewise.
15014         * tree-vrp.c (dump_value_range): Likewise.
15015         (dump_all_value_ranges): Likewise.
15016         (dump_asserts_for): Likewise.
15017         (register_edge_assert_for_2): Likewise.
15018         (vrp_visit_cond_stmt): Likewise.
15019         (vrp_visit_switch_stmt): Likewise.
15020         (vrp_visit_stmt): Likewise.
15021         (vrp_visit_phi_node): Likewise.
15022         (simplify_cond_using_ranges_1): Likewise.
15023         (fold_predicate_in): Likewise.
15024         (evrp_dom_walker::before_dom_children): Likewise.
15025         (evrp_dom_walker::push_value_range): Likewise.
15026         (evrp_dom_walker::pop_value_range): Likewise.
15027         (execute_early_vrp): Likewise.
15028
15029 2017-05-16  Richard Biener  <rguenther@suse.de>
15030
15031         * dwarf2out.c (loc_list_from_tree_1): Do not create
15032         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
15033
15034 2017-05-16  Richard Biener  <rguenther@suse.de>
15035
15036         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
15037         just generated.
15038         (note_variable_value_in_expr): If we resolved the decl ref
15039         do not push to the stack.
15040
15041 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
15042
15043         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
15044         operations in fast-math mode.
15045         (vaddq_f16): Likewise.
15046         (vmul_f16): Likewise.
15047         (vmulq_f16): Likewise.
15048         (vsub_f16): Likewise.
15049         (vsubq_f16): Likewise.
15050         * config/arm/neon.md (add<mode>3): New.
15051         (sub<mode>3): New.
15052         (fma:<VH:mode>3): New.  Also remove outdated comment.
15053         (mul<mode>3): New.
15054
15055 2017-05-16  Martin Liska  <mliska@suse.cz>
15056
15057         PR ipa/79849.
15058         PR ipa/79850.
15059         * ipa-devirt.c (warn_types_mismatch): Fix typo.
15060         (odr_types_equivalent_p): Likewise.
15061
15062 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
15063
15064         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
15065
15066 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
15067
15068         PR target/80425
15069         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
15070         non-interunit SSE move alternatives with '?'.
15071         (zero-extendsidi peephole2): New peephole to skip intermediate
15072         general register in SSE zero-extend sequence.
15073
15074 2017-05-15  Jeff Law  <law@redhat.com>
15075
15076         * reorg.c (relax_delay_slots): Create a new variable to hold
15077         the temporary target rather than clobbering TARGET_LABEL.
15078
15079         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
15080         missing argument to extract_bit_field call.
15081         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
15082
15083 2017-05-15  Martin Liska  <mliska@suse.cz>
15084
15085         PR driver/31468
15086         * gcc.c (process_command): Do not allow empty argument of -o option.
15087
15088 2017-05-15  Renlin Li  <renlin.li@arm.com>
15089
15090         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
15091         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
15092         * config/aarch64/constraints.md (Usf): Add long call check.
15093         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
15094         (call_value): Likewise.
15095         (sibcall): Likewise.
15096         (sibcall_value): Likewise.
15097         (call_insn): New.
15098         (call_value_insn): New.
15099         (sibcall_insn): Update rtx pattern.
15100         (sibcall_value_insn): Likewise.
15101         (call_internal): Remove.
15102         (call_value_internal): Likewise.
15103         (sibcall_internal): Likewise.
15104         (sibcall_value_internal): Likewise.
15105         (call_reg): Likewise.
15106         (call_symbol): Likewise.
15107         (call_value_reg): Likewise.
15108         (call_value_symbol): Likewise.
15109
15110 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
15111
15112         PR target/80600
15113         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
15114
15115 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
15116
15117         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
15118         compatible with CCGOCmode and with CCZmode.
15119
15120 2017-05-14  Martin Sebor  <msebor@redhat.com>
15121
15122         PR middle-end/77671
15123         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
15124         (gimple_fold_builtin_snprintf): Same.
15125         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
15126         (gimple_fold_builtin_snprintf): Same.
15127         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
15128         of character types.
15129         (is_call_safe): New function.
15130         (try_substitute_return_value): Call it.
15131         (try_simplify_call): New function.
15132         (pass_sprintf_length::handle_gimple_call): Call it.
15133
15134 2017-05-14  Martin Sebor  <msebor@redhat.com>
15135
15136         PR middle-end/80669
15137         * builtins.c (expand_builtin_stpncpy): Simplify.
15138
15139 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
15140
15141         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
15142         * config/i386/i386.h
15143         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
15144         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
15145         (struct machine_function): Add new members call_ms2sysv,
15146         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
15147         (struct machine_frame_state): New fields sp_realigned and
15148         sp_realigned_offset.
15149         * config/i386/i386.c
15150         (enum xlogue_stub): New enum.
15151         (enum xlogue_stub_sets): New enum.
15152         (class xlogue_layout): New class.
15153         (struct ix86_frame): New fields stack_realign_allocate_offset,
15154         stack_realign_offset and outlined_save_offset.  Modify comments to
15155         detail stack layout when using out-of-line stubs.
15156         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
15157         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
15158         -mcall-ms2sysv-xlogues.
15159         (stub_managed_regs): New static variable.
15160         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
15161         registers managed by out-of-line stub.
15162         (disable_call_ms2sysv_xlogues): New function.
15163         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
15164         m->call_ms2sysv when appropriate and compute frame layout for
15165         out-of-line stubs.
15166         (sp_valid_at, fp_valid_at): New inline functions.
15167         (choose_basereg): New function.
15168         (choose_baseaddr): Add align parameter, use choose_basereg and modify
15169         all callers.
15170         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
15171         Use align parameter of choose_baseaddr to generated aligned SSE movs
15172         when possible.
15173         (pro_epilogue_adjust_stack): Modify to track
15174         machine_frame_state::sp_realigned.
15175         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
15176         (ix86_nsaved_sseregs): Likewise.
15177         (ix86_emit_save_regs): Likewise.
15178         (ix86_emit_save_regs_using_mov): Likewise.
15179         (ix86_emit_save_sse_regs_using_mov): Likewise.
15180         (get_scratch_register_on_entry): Likewise.
15181         (gen_frame_set): New function.
15182         (gen_frame_load): Likewise.
15183         (gen_frame_store): Likewise.
15184         (emit_outlined_ms2sysv_save): Likewise.
15185         (emit_outlined_ms2sysv_restore): Likewise.
15186         (ix86_expand_prologue): Modify stack re-alignment code and call
15187         emit_outlined_ms2sysv_save when appropriate.
15188         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
15189         parameter rtx_insn *insn, which allows the function to be used to only
15190         generate the notes.
15191         (ix86_expand_epilogue): Modify validity checks of frame and stack
15192         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
15193         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
15194         * config/i386/predicates.md
15195         (save_multiple): New predicate.
15196         (restore_multiple): Likewise.
15197         * config/i386/sse.md
15198         (save_multiple<mode>): New pattern.
15199         (save_multiple_realign<mode>): Likewise.
15200         (restore_multiple<mode>): Likewise.
15201         (restore_multiple_and_return<mode>): Likewise.
15202         (restore_multiple_leave_return<mode>): Likewise.
15203         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
15204
15205 2017-05-14  Julia Koval  <julia.koval@intel.com>
15206
15207         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
15208         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
15209         (__builtin_ia32_xsetbv): New builtins.
15210         * config/i386/i386.c (ix86_expand_special_args_builtin):
15211         Process new types.
15212         (ix86_expand_builtin): Special expand for new intrinsics.
15213         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
15214         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
15215         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
15216
15217 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15218
15219         * cfganal.c (inverted_post_order_compute): Change argument type
15220         to vec *.
15221         * cfganal.h (inverted_post_order_compute): Adjust prototype.
15222         * df-core.c (rest_of_handle_df_initialize): Adjust.
15223         (rest_of_handle_df_finish): Likewise.
15224         (df_analyze_1): Likewise.
15225         (df_analyze): Likewise.
15226         (loop_inverted_post_order_compute): Change argument to be a vec *.
15227         (df_analyze_loop): Adjust.
15228         (df_get_n_blocks): Likewise.
15229         (df_get_postorder): Likewise.
15230         * df.h (struct df_d): Change field to be a vec.
15231         * lcm.c (compute_laterin): Adjust.
15232         (compute_available): Likewise.
15233         * lra-lives.c (lra_create_live_ranges_1): Likewise.
15234         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15235         * tree-ssa-pre.c (compute_antic): Likewise.
15236
15237 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15238
15239         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
15240         (depth_first_search::depth_first_search): Change structure init
15241         function to this constructor.
15242         (depth_first_search::add_bb): Rename function to this member.
15243         (depth_first_search::execute): Likewise.
15244         (flow_dfs_compute_reverse_finish): Adjust.
15245
15246 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15247
15248         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
15249         (longest_simple_path): Likewise.
15250         * shrink-wrap.c (spread_components): Likewise.
15251         (disqualify_problematic_components): Likewise.
15252         (emit_common_heads_for_components): Likewise.
15253         (emit_common_tails_for_components): Likewise.
15254         (insert_prologue_epilogue_for_components): Likewise.
15255
15256 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15257
15258         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
15259         auto_sbitmap.
15260
15261 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15262
15263         * df-core.c (df_set_blocks): Start using auto_bitmap.
15264         (df_compact_blocks): Likewise.
15265         * df-problems.c (df_rd_confluence_n): Likewise.
15266         * df-scan.c (df_insn_rescan_all): Likewise.
15267         (df_process_deferred_rescans): Likewise.
15268         (df_update_entry_block_defs): Likewise.
15269         (df_update_exit_block_uses): Likewise.
15270         (df_entry_block_bitmap_verify): Likewise.
15271         (df_exit_block_bitmap_verify): Likewise.
15272         (df_scan_verify): Likewise.
15273         * lra-constraints.c (lra_constraints): Likewise.
15274         (undo_optional_reloads): Likewise.
15275         (lra_undo_inheritance): Likewise.
15276         * lra-remat.c (calculate_gen_cands): Likewise.
15277         (do_remat): Likewise.
15278         * lra-spills.c (assign_spill_hard_regs): Likewise.
15279         (spill_pseudos): Likewise.
15280         * tree-ssa-pre.c (bitmap_set_and): Likewise.
15281         (bitmap_set_subtract_values): Likewise.
15282
15283 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15284
15285         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
15286         management with auto_bitmap.
15287         (fix_inter_tick): Likewise.
15288         (fix_recovery_deps): Likewise.
15289         * ira.c (add_store_equivs): Likewise.
15290         (find_moveable_pseudos): Likewise.
15291         (split_live_ranges_for_shrink_wrap): Likewise.
15292         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
15293         (rtx_reuse_manager::seen_def_p): Likewise.
15294         (rtx_reuse_manager::set_seen_def): Likewise.
15295         * print-rtl.h (class rtx_reuse_manager): Likewise.
15296
15297 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15298
15299         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
15300         lifetime.
15301         (migrate_btr_def): Likewise.
15302         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
15303         * df-core.c (loop_post_order_compute): Likewise.
15304         (loop_inverted_post_order_compute): Likewise.
15305         * hsa-common.h: Likewise.
15306         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
15307         * init-regs.c (initialize_uninitialized_regs): Likewise.
15308         * ipa-inline.c (resolve_noninline_speculation): Likewise.
15309         (inline_small_functions): Likewise.
15310         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
15311         * ira.c (combine_and_move_insns): Likewise.
15312         (build_insn_chain): Likewise.
15313         * loop-invariant.c (find_invariants): Likewise.
15314         * lower-subreg.c (propagate_pseudo_copies): Likewise.
15315         * predict.c (tree_predict_by_opcode): Likewise.
15316         (predict_paths_leading_to): Likewise.
15317         (predict_paths_leading_to_edge): Likewise.
15318         (estimate_loops_at_level): Likewise.
15319         (estimate_loops): Likewise.
15320         * shrink-wrap.c (try_shrink_wrapping): Likewise.
15321         (spread_components): Likewise.
15322         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
15323         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
15324         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
15325         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
15326         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
15327         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15328         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
15329         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
15330         (mark_threaded_blocks): Likewise.
15331         (thread_through_all_blocks): Likewise.
15332         * tree-ssa.c (verify_ssa): Likewise.
15333         (execute_update_addresses_taken): Likewise.
15334         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
15335
15336 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15337
15338         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
15339         auto_vec.
15340         (post_order_compute): Likewise.
15341         (inverted_post_order_compute): Likewise.
15342         (pre_and_rev_post_order_compute_fn): Likewise.
15343
15344 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15345
15346         * genrecog.c (int_set::int_set): Explicitly construct our
15347         auto_vec base class.
15348         * vec.h (auto_vec::auto_vec): New constructor.
15349
15350 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15351
15352         * bitmap.h (class auto_bitmap): New constructor taking
15353         bitmap_obstack * argument.
15354
15355 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15356
15357         * bitmap.h (class auto_bitmap): Change type of m_bits to
15358         bitmap_head, and adjust ctor / dtor and member operators.
15359
15360 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
15361
15362         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
15363         when returned register mode doesn't match original mode.
15364
15365 2017-05-12  Jeff Law  <law@redhat.com>
15366             Jakub Jelinek  <jakub@redhat.com>
15367
15368         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
15369         we look for cc setter after the compare-elim changes.
15370         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
15371         within the vector to match what compare-elim now expects.
15372         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
15373         (xorsi3_flags, one_cmplsi2_flags): Likewise.
15374
15375         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
15376         after the compare-elim changes.
15377         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
15378         the vector to match what compare-elim now expects.
15379         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
15380         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
15381         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
15382         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
15383         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
15384
15385         * config/visium/visium.c (single_set_and_flags): Fix where
15386         we look for cc setter after the compare-elim changes.
15387         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
15388         with the vector to match what compare-elim now expects.
15389         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
15390         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
15391         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
15392         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
15393         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
15394         (neg<mode>2_insn_set_overflow): Likewise.
15395
15396 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
15397
15398         PR middle-end/79794
15399         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
15400         maybe_expand_insn call, set ops[0].target.  If still set after call,
15401         set alt_rtl.  Add extra arg to recursive calls.
15402         (extract_bit_field): Add alt_rtl argument.  Pass to
15403         extract_bit_field.
15404         * expmed.h (extract_bit_field): Fix prototype.
15405         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
15406         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
15407         to extract_bit_field_calls.
15408         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
15409         Pass alt_rtl to extract_bit_field calls.
15410         * calls.c (store_unaligned_arguments_into_psuedos)
15411         load_register_parameters): Pass extra NULL to extract_bit_field calls.
15412         * optabs.c (maybe_legitimize_operand): Clear op->target when call
15413         gen_reg_rtx.
15414         * optabs.h (struct expand_operand): Add target bitfield.
15415
15416 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15417
15418         * compare-elim.c (try_eliminate_compare): Canonicalize
15419         operation with embedded compare to
15420         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
15421          (set (reg) (operation)].
15422
15423         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
15424
15425 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15426
15427         PR target/80723
15428         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
15429         cost of adding a carry flag for ADC instruction.
15430         [case MINUS]: Ignore the cost of subtracting a carry flag
15431         for SBB instruction.
15432
15433 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
15434
15435         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
15436         and x86intrin.h
15437         * config/rs6000/bmiintrin.h: New file.
15438         * config/rs6000/bmi2intrin.h: New file.
15439         * config/rs6000/x86intrin.h: New file.
15440
15441 2017-05-12  Jeff Law  <law@redhat.com>
15442
15443         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
15444         markers.
15445
15446 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
15447
15448         PR middle-end/80707
15449         * tree-cfg.c: Remove cfg edges of unreachable case statements.
15450
15451 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15452
15453         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15454         early expansion of vector divide builtins.
15455         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
15456         builtins identified as having unsigned arguments.
15457
15458 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15459
15460         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
15461         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
15462         expansion of vector logical operations (and, andc, or, xor,
15463         nor, orc, nand).
15464
15465 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15466
15467         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
15468         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
15469
15470 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
15471
15472         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
15473         early GIMPLE expansion of vector multiplies.
15474
15475 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15476
15477         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
15478         TARGET_HAVE_MOVT conditional.
15479         (movt splitter): Likewise.
15480
15481 2017-05-12  Richard Biener  <rguenther@suse.de>
15482
15483         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
15484         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15485         Fold all stmts not inplace.
15486
15487 2017-05-12  Richard Biener  <rguenther@suse.de>
15488
15489         PR tree-optimization/80713
15490         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
15491         inserted_exprs bit for not removed stmts.
15492
15493 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
15494
15495         PR middle-end/69921
15496         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
15497         parallelized" attribute for parallelized OpenACC kernels.
15498         * omp-offload.c (execute_oacc_device_lower): Use it.
15499
15500         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
15501         Set "oacc kernels" attribute.
15502         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
15503         parameter.  Adjust all users.
15504         (oacc_fn_attrib_kernels_p): Remove function.
15505         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
15506         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
15507         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
15508         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
15509         assert "oacc kernels" attribute is set.
15510
15511 2017-05-11  Carl Love  <cel@us.ibm.com>
15512
15513         * config/rs6000/rs6000-c: Add support for built-in functions
15514         vector unsigned char vec_popcnt (vector signed char)
15515         vector unsigned char vec_popcnt (vector unsigned char)
15516         vector unsigned short vec_popcnt (vector signed short)
15517         vector unsigned short vec_popcnt (vector unsigned short)
15518         vector unsigned int vec_popcnt (vector signed int)
15519         vector unsigned int vec_popcnt (vector unsigned int)
15520         vector unsigned long long vec_popcnt (vector signed long long)
15521         vector unsigned long long vec_popcnt (vector unsigned long long)
15522         vector signed long long vec_slo (vector signed long long,
15523                                          vector signed char)
15524         vector signed long long vec_slo (vector signed long long,
15525                                          vector unsigned char)
15526         vector unsigned long long vec_slo (vector unsigned long long,
15527                                            vector signed char)
15528         vector unsigned long long vec_slo (vector unsigned long long,
15529                                            vector unsigned char)
15530         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
15531         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
15532         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
15533         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
15534         * doc/extend.texi: Update the built-in documentation file for the
15535         new built-in functions.
15536
15537 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
15538
15539         * attribs.h (sorted_attr_string): Move machine independent
15540         functions for target clone support from the i386 port to common
15541         code.  Rename ix86_function_versions to common_function_versions.
15542         Rename make_name to make_unique_name.
15543         (common_function_versions): Likewise.
15544         (make_unique_name): Likewise.
15545         (make_dispatcher_decl): Likewise.
15546         (is_function_default_version): Likewise.
15547         * attribs.c (attr_strcmp): Likewise.
15548         (sorted_attr_string): Likewise.
15549         (common_function_versions): Likewise.
15550         (make_unique_name): Likewise.
15551         (make_dispatcher_decl): Likewise.
15552         (is_function_default_version): Likewise.
15553         * config/i386/i386.c (attr_strcmp): Likewise.
15554         (sorted_attr_string): Likewise.
15555         (ix86_function_versions): Likewise.
15556         (make_name): Likewise.
15557         (make_dispatcher_decl): Likewise.
15558         (is_function_default_version): Likewise.
15559         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
15560
15561 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15562
15563         PR target/80695
15564         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
15565         Account for direct move costs for vec_construct of integer
15566         vectors.
15567
15568 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
15569
15570         PR target/80706
15571         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
15572         (UNSPEC_STX_ATOMIC): Ditto.
15573         (loaddi_via_sse): New insn.
15574         (storedi_via_sse): Ditto.
15575         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
15576         Update corresponding peephole2 patterns.
15577         (atomic_storedi_fpu): Ditto.
15578
15579 2017-05-11  Julia Koval  <julia.koval@intel.com>
15580
15581         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
15582         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
15583         New intrinsics.
15584         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
15585         (__builtin_ia32_rsqrt14ss_mask): New builtins.
15586         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
15587
15588 2017-05-11  Nathan Sidwell  <nathan@acm.org>
15589
15590         * graphite-poly.c: Include dumpfile.h.
15591
15592         * dumpfle.h (dump_function): Declare here ...
15593         * tree-dump.h (dump_function): ... not here.
15594         * dumpfile.c: #include tree-cfg.h.
15595         (dump_function): Move here from ...
15596         * tree-dump.c (dump_function): ... here.
15597         * gimplify.c: #include splay-tree.h, not tree-dump.h.
15598         * graphite-poly.c: Don't include tree-dump.h.
15599         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
15600         * print-tree.c: Likewise.
15601         * stor-layout.c: Likewise.
15602         * tree-nested.c: Likewise.
15603
15604         * dumpfile.c (dump_start): Use TDF_FLAGS.
15605         (dump_enable_all): Fix TDF_KIND check thinko.
15606
15607 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15608
15609         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15610         array entries to represent two legal parameterizations of the
15611         overloaded __builtin_cmpb function, as represented by the
15612         P6_OV_BUILTIN_CMPB constant.
15613         (altivec_resolve_overloaded_builtin): Add special case handling
15614         for the __builtin_cmpb function, as represented by the
15615         P6_OV_BUILTIN_CMPB constant.
15616         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
15617         (BU_P6_64BIT_2): New macro.
15618         (BU_P6_OVERLOAD_2): New macro
15619         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
15620         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
15621         (CMPB): Add overload support to represent both 32-bit and 64-bit
15622         compare-bytes function.
15623         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15624         support for TARGET_CMPB.
15625         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
15626         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
15627         documentation of the __builtin_cmpb overloaded built-in function.
15628
15629 2017-05-11  Richard Biener  <rguenther@suse.de>
15630
15631         PR tree-optimization/80705
15632         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
15633         bases are not vectorizable.
15634
15635 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15636
15637         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
15638         when counting register pressure.
15639
15640 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15641
15642         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
15643         (iv_ca_more_deps): Renamed to ...
15644         (iv_ca_compare_deps): ... this.
15645         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
15646
15647 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15648
15649         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
15650         to ...
15651         (determine_group_iv_costs): ... here.
15652         (find_inv_vars_cb): Record inv var if it's not recorded before.
15653
15654 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15655
15656         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
15657         (get_shiftadd_cost): Ditto.
15658
15659 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15660
15661         * tree-ssa-address.c: Include header file.
15662         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
15663         address.
15664         (add_to_parts): Refactor.
15665         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
15666         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
15667         in new order.
15668
15669 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15670
15671         PR tree-optimization/53090
15672         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
15673         COMP_IV_EXPR_2.
15674         (extract_cond_operands): Detect condition with IV on both sides
15675         and return COMP_IV_EXPR_2.
15676         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
15677         (rewrite_use_compare): Simplify by removing call to function
15678         extract_cond_operands.
15679
15680 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15681
15682         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
15683         (extract_cond_operands): Detect condition comparing against non-
15684         invariant bound and return appropriate enum value.
15685         (find_interesting_uses_cond): Update use of extract_cond_operands.
15686         Handle its return value accordingly.
15687         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
15688
15689 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15690
15691         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
15692         nonlinear iv_use computation in loop invariant sensitive way.
15693
15694 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15695
15696         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
15697         (find_iv_candidates): Call relate_compare_use_with_all_cands.
15698
15699 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15700
15701         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
15702         (dump_cand): Support iv_cand.inv_exprs.
15703         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
15704         for candidates.
15705         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
15706         iv_cand.inv_exprs.
15707
15708 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15709
15710         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
15711         from ...
15712         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
15713         as local function.  Include necessary header files.
15714         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
15715
15716 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15717
15718         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
15719
15720 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15721
15722         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
15723         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
15724         RSHIFT_EXPR and BIT_NOT_EXPR.
15725
15726 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15727
15728         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
15729         (adjust_setup_cost): New parameter supporting round up adjustment.
15730         (struct address_cost_data): Delete.
15731         (force_expr_to_var_cost): Don't bound cost with spill_cost.
15732         (split_address_cost, ptr_difference_cost): Delete.
15733         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
15734         (struct ainc_cost_data): New struct.
15735         (get_address_cost_ainc): New function.
15736         (get_address_cost, get_computation_cost): Reimplement.
15737         (determine_group_iv_cost_address): Record inv_expr for all uses of
15738         a group.
15739         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
15740         (iv_ca_has_deps): Reimplemented to ...
15741         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
15742         than OLD_CP.
15743         (iv_ca_extend): Call iv_ca_more_deps.
15744
15745 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15746
15747         * tree-ssa-address.c (struct mem_address): Move to header file.
15748         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
15749         * tree-ssa-address.h (struct mem_address): Move from C file.
15750         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
15751
15752 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15753
15754         * tree-affine.h (aff_combination_type): New interface.
15755         (aff_combination_zero_p): Remove static.
15756         (aff_combination_const_p): New interface.
15757         (aff_combination_singleton_var_p): New interfaces.
15758
15759 2017-05-11  Richard Biener  <rguenther@suse.de>
15760
15761         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15762         Skip unreachable blocks and destinations.
15763         (eliminate): Move stmt removal and fixup ...
15764         (fini_eliminate): ... here.  Skip inserted exprs.
15765         (pass_pre::execute): Move fini_pre after fini_eliminate.
15766         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
15767         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
15768         PRE to get rid of dead code that has invalid SSA form and
15769         split critical edges again.
15770
15771 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15772
15773         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
15774
15775 2017-05-11  Richard Biener  <rguenther@suse.de>
15776
15777         * passes.c (execute_function_todo): Verify loops if they are
15778         said to be up-to-date.
15779         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
15780         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
15781
15782 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
15783
15784         PR target/80090
15785         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
15786         handle calling assemble_external ourself.
15787
15788         PR target/79027
15789         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
15790         modes with zero size.  Enhance comment.
15791
15792 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15793
15794         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
15795         built-ins for vec_xl and vec_xst with short and char pointer
15796         arguments.
15797
15798 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
15799
15800         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
15801         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
15802         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
15803         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
15804         (_mm_maskz_min_round_ss): New intrinsics.
15805         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
15806         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
15807         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
15808         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
15809         (__builtin_ia32_minss_mask_round): New builtins.
15810         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
15811         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
15812         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
15813         Rename to ...
15814         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
15815         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
15816         Change to ...
15817         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
15818         ... this.
15819
15820 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
15821
15822         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
15823         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
15824         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
15825         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
15826         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
15827         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
15828         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
15829         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
15830         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
15831         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
15832         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
15833         (__builtin_ia32_mulss_mask_round): New builtins.
15834         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
15835         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
15836         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
15837         Rename to ...
15838         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
15839         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
15840         Change to ...
15841         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
15842         ... this.
15843
15844 2017-05-10  Julia Koval  <julia.koval@intel.com>
15845
15846         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
15847         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
15848         (_mm256_setr_m128i): New intrinsics.
15849
15850 2017-05-10  Julia Koval  <julia.koval@intel.com>
15851
15852         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
15853         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
15854         (_mm_maskz_rcp14_ss): New intrinsics.
15855         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
15856         (__builtin_ia32_rcp14ss_mask): New builtins.
15857         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
15858
15859 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
15860
15861         PR tree-optimization/51513
15862         * tree-cfg.c (gimple_seq_unreachable_p): New function.
15863         (assert_unreachable_fallthru_edge_p): Use it.
15864         (group_case_labels_stmt): Likewise.
15865         * tree-cfg.h: Prototype it.
15866         * stmt.c: Include cfghooks.h and tree-cfg.h.
15867         (emit_case_dispatch_table) <gap_label>: New local variable.
15868         Use it to fill dispatch table gaps.
15869         Test for default_label before updating probabilities.
15870         (expand_case) <default_label>: Remove unneeded initialization.
15871         Test for unreachable default case statement and remove its edge.
15872         Set default_label accordingly.
15873         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
15874
15875 2017-05-10  Carl Love  <cel@us.ibm.com>
15876
15877         * config/rs6000/rs6000-c: Add support for built-in functions
15878         vector signed char      vec_neg (vector signed char)
15879         vector signed short int vec_neg (vector short int)
15880         vector signed int       vec_neg (vector signed int)
15881         vector signed long long vec_neg (vector signed long long)
15882         vector float            vec_neg (vector float)
15883         vector double           vec_neg (vector double)
15884         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
15885         overload.
15886         * config/rs6000/altivec.h: Add define for vec_neg
15887         * doc/extend.texi: Update the built-in documentation for the
15888         new built-in functions.
15889
15890 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
15891
15892         PR tree-optimization/77644
15893         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
15894
15895 2017-05-10  Nathan Sidwell  <nathan@acm.org>
15896
15897         * dumpfile.h (TDI_lang_all): New.
15898         (TDF_KIND): New. Renumber others
15899         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
15900         than bits.
15901         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
15902         lang-all.
15903         (get_dump_file_name): Adjust suffix generation.
15904         (dump_enable_all): Use TDF_KIND.
15905         * doc/invoke.texi (-fdump-lang-all): Document.
15906
15907         * dumpfile.h: Tabify.
15908
15909 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
15910
15911         PR target/80671
15912         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
15913         Move member access before delete.
15914
15915 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
15916
15917         * tree-inline.c (expand_call_inline): Split block at stmt
15918         before the call.
15919
15920 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
15921
15922         PR target/68163
15923         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
15924         are now unused after splitting mov{sf,sd}_hardfloat.
15925         (f32_lr2): Likewise.
15926         (f32_lm): Likewise.
15927         (f32_lm2): Likewise.
15928         (f32_li): Likewise.
15929         (f32_li2): Likewise.
15930         (f32_lv): Likewise.
15931         (f32_sr): Likewise.
15932         (f32_sr2): Likewise.
15933         (f32_sm): Likewise.
15934         (f32_sm2): Likewise.
15935         (f32_si): Likewise.
15936         (f32_si2): Likewise.
15937         (f32_sv): Likewise.
15938         (f32_dm): Likewise.
15939         (f32_vsx): Likewise.
15940         (f32_av): Likewise.
15941         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
15942         For movsf, order stores so the VSX stores occur before the GPR
15943         store which encourages the register allocator to use a traditional
15944         FPR instead of a GPR.  For movsd, order the stores so that the GPR
15945         store comes before the VSX stores to allow the power6 to work.
15946         This is due to the power6 not having a 32-bit integer store
15947         instruction from a FPR.
15948         (movsf_hardfloat): Likewise.
15949         (movsd_hardfloat): Likewise.
15950
15951 2017-05-09  Martin Sebor  <msebor@redhat.com>
15952
15953         PR translation/80280
15954         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
15955         added in r247778.
15956
15957         PR translation/80280
15958         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
15959         data member added in r247778.
15960         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
15961
15962 2017-05-09  Nathan Sidwell  <nathan@acm.org>
15963
15964         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
15965
15966         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
15967         typedefs.
15968
15969 2017-05-09  Marek Polacek  <polacek@redhat.com>
15970
15971         * doc/invoke.texi: Fix typo.
15972
15973 2017-05-09  Richard Biener  <rguenther@suse.de>
15974
15975         * tree-vrp.c (vrp_val_is_max): Adjust comment.
15976         (vrp_val_is_min): Likewise.
15977         (set_value_range_to_value): Likewise.
15978         (set_value_range_to_nonnegative): Likewise.
15979         (gimple_assign_nonzero_p): Likewise.
15980         (gimple_stmt_nonzero_p): Likewise.
15981         (vrp_int_const_binop): Likewise.  Remove unreachable case.
15982         (adjust_range_with_scev): Adjust comments.
15983         (compare_range_with_value): Likewise.
15984         (extract_range_from_phi_node): Likewise.
15985         (test_for_singularity): Likewise.
15986
15987 2017-05-09  Richard Biener  <rguenther@suse.de>
15988
15989         * tree-vrp.c (get_single_symbol): Add assert that we don't
15990         get overflowed constants as invariant part.
15991         (compare_values_warnv): Add comment before the TREE_NO_WARNING
15992         checks.  Use wi::cmp instead of recursing for integer constants.
15993         (compare_values): Just ignore whether we assumed undefined
15994         overflow instead of failing the compare.
15995         (extract_range_for_var_from_comparison_expr): Add comment before the
15996         TREE_NO_WARNING sets.
15997         (test_for_singularity): Likewise.
15998         (extract_range_from_comparison): Do not disable optimization
15999         when we assumed undefined overflow.
16000         (extract_range_basic): Remove init of unused var.
16001
16002 2017-05-09  Richard Biener  <rguenther@suse.de>
16003
16004         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
16005         (extract_range_from_multiplicative_op_1): Adjust.
16006         (extract_range_from_binary_expr_1): Use int_const_binop.
16007
16008 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16009
16010         PR target/80101
16011         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
16012         rs6000_store_data_bypass_p in seven define_bypass directives and
16013         in several comments.
16014         * config/rs6000/rs6000-protos.h: Add prototype for
16015         rs6000_store_data_bypass_p function.
16016         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
16017         function implements slightly different (rs6000-specific) semantics
16018         than store_data_bypass_p, returning false rather than aborting
16019         with assertion error when arguments do not satisfy the
16020         requirements of store data bypass.
16021         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
16022         rs6000_store_data_bypass_p.
16023
16024 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
16025
16026         * config/xtensa/xtensa-protos.h
16027         (xtensa_initial_elimination_offset): New declaration.
16028         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
16029         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
16030         macro definition, add case for FRAME_POINTER_REGNUM when
16031         FRAME_GROWS_DOWNWARD.
16032         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
16033         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
16034         xtensa_initial_elimination_offset.
16035
16036 2017-05-08  Nathan Sidwell  <nathan@acm.org>
16037
16038         * doc/invoke.texi: Alphabetize -fdump options.
16039
16040 2017-05-08  Martin Sebor  <msebor@redhat.com>
16041
16042         PR translation/80280
16043         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
16044
16045 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16046
16047         * target.def (compute_frame_layout): New optional target hook.
16048         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
16049         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
16050         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
16051         target hook.
16052         * reload1.c (verify_initial_elim_offsets): Likewise.
16053         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
16054         (use_simple_return_p): Call arm_compute_frame_layout if needed.
16055         (arm_get_frame_offsets): Split up into this ...
16056         (arm_compute_frame_layout): ... and this function.
16057
16058 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
16059
16060         * config/aarch64/constraints.md (Usa): New constraint.
16061         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
16062
16063 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16064
16065         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
16066         with_multilib_list after it has been checked.
16067
16068 2017-05-08  Richard Biener  <rguenther@suse.de>
16069
16070         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
16071         (bitmap_set_subtract_values): Likewise.
16072
16073 2017-05-08  Richard Biener  <rguenther@suse.de>
16074
16075         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
16076         (gimple_assign_nonzero): ... this and remove strict_overflow_p
16077         argument.
16078         (gimple_stmt_nonzero_warnv_p): Rename to ...
16079         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
16080         argument.
16081         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
16082         (extract_range_basic): Adjust, do not disable propagation on
16083         strict overflow sensitive simplification.
16084         (vrp_visit_cond_stmt): Likewise.
16085
16086 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
16087
16088         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
16089         body size unconditionally.
16090
16091 2017-05-07  Jeff Law  <law@redhat.com>
16092
16093         Revert:
16094         2017-05-06  Jeff Law  <law@redhat.com>
16095         PR tree-optimization/78496
16096         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16097         code.
16098
16099         PR tree-optimization/78496
16100         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16101         (simplify_stmt_using_ranges): Call it.
16102         (vrp_dom_walker::before_dom_children): Extract equivalences
16103         from an ASSERT_EXPR with an equality comparison against a
16104         constant.
16105
16106 2017-05-06  Jeff Law  <law@redhat.com>
16107
16108         PR tree-optimization/78496
16109         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16110         code.
16111
16112         PR tree-optimization/78496
16113         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16114         (simplify_stmt_using_ranges): Call it.
16115         (vrp_dom_walker::before_dom_children): Extract equivalences
16116         from an ASSERT_EXPR with an equality comparison against a
16117         constant.
16118
16119 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16120
16121         * lra-constraints.c (lra_copy_reg_equiv): New function.
16122         (split_reg): Use it to copy equivalence information from the
16123         original register to the spill register.
16124
16125 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16126
16127         PR rtl-optimization/75964
16128         * simplify-rtx.c (simplify_const_relational_operation): Remove
16129         invalid handling of comparisons of integer ABS.
16130
16131 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
16132
16133         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
16134         initialize to zero.
16135         (init_regs): Remove declaration.
16136         (function_arg_advance_32): Initialize error_p as boolean variable.
16137
16138 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16139
16140         * store-motion.c (remove_reachable_equiv_notes): Reformat long
16141         lines.  Use for (;;).
16142
16143 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16144
16145         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
16146         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
16147         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
16148         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
16149         VF=2 that require versioning.
16150
16151 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16152
16153         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
16154         int.
16155
16156 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16157
16158         * diagnostic.h (diagnostic_override_option_index): Convert from
16159         macro to inline function.
16160
16161 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16162
16163         * diagnostic.c (last_module_changed_p): New function.
16164         (set_last_module): New function.
16165         (diagnostic_report_current_module): Convert macro usage to
16166         the above functions.
16167         * diagnostic.h (diagnostic_context::last_module): Strengthen
16168         from const line_map * to const line_map_ordinary *.
16169         (diagnostic_last_module_changed): Delete macro.
16170         (diagnostic_set_last_module): Delete macro.
16171
16172 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16173
16174         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
16175         with diagnostic_report_diagnostic.
16176         (diagnostic_n_impl_richloc): Likewise.
16177         * diagnostic.h (report_diagnostic): Delete macro.
16178         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
16179         with diagnostic_report_diagnostic.
16180         * substring-locations.c (format_warning_va): Likewise.
16181
16182 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16183
16184         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
16185         save/restor of format_spec.  Move option-printing code to...
16186         (print_option_information): ...this new function, and
16187         reimplement by simply printing to the pretty_printer,
16188         rather than appending to the format string.
16189
16190 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16191
16192         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
16193         handling logic into...
16194         (update_effective_level_from_pragmas): ...this new function.
16195
16196 2017-05-04  Andrew Waterman  <andrew@sifive.com>
16197
16198         * config/riscv/riscv.opt (mstrict-align): New option.
16199         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
16200         (SLOW_UNALIGNED_ACCESS): Define.
16201         (riscv_slow_unaligned_access): Declare.
16202         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
16203         field.
16204         (riscv_slow_unaligned_access): New variable.
16205         (rocket_tune_info): Set slow_unaligned_access to true.
16206         (optimize_size_tune_info): Set slow_unaligned_access to false.
16207         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
16208         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
16209         (riscv_option_override): Set riscv_slow_unaligned_access.
16210         * doc/invoke.texi: Add -mstrict-align to RISC-V.
16211
16212 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
16213
16214         * config/riscv/riscv.md: Unify indentation.
16215
16216 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
16217
16218         PR target/79038
16219         PR target/79202
16220         PR target/79203
16221         * config/rs6000/rs6000.md (u code attribute): Add FIX and
16222         UNSIGNED_FIX.
16223         (extendsi<mode>2): Add support for doing sign extension via
16224         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
16225         don't have ISA 3.0 instructions.
16226         (extendsi<mode>2 splitter): Likewise.
16227         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
16228         generate the normal insns since SImode can now go in vector
16229         registers.  Disallow the special UNSPECs needed for previous
16230         machines to hide SImode being used.  Add new insns
16231         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
16232         (fix_trunc<mode>si2_stfiwx): Likewise.
16233         (fix_trunc<mode>si2_internal): Likewise.
16234         (fixuns_trunc<mode>si2): Likewise.
16235         (fixuns_trunc<mode>si2_stfiwx): Likewise.
16236         (fctiw<u>z_<mode>_smallint): Likewise.
16237         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
16238         of floating point to 32-bit integer from doing a direct move to
16239         the GPR registers to do a store.
16240         (fctiwz_<mode>): Break long line.
16241
16242 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
16243
16244         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
16245         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
16246         (addr_list, addr_offset_valid_p): New.
16247         (split_address_groups): Check offset validity with above function.
16248         (gt-tree-ssa-loop-ivopts.h): Include header file.
16249
16250 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16251
16252         * config.gcc (arm*-*-*): Add missing 'fi'.
16253
16254 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
16255
16256         * doc/invoke.texi (-fopt-info): Explicitly say order of options
16257         included in -fopt-info does not matter.
16258         * doc/optinfo.texi (-fopt-info): Fix description of default
16259         behavour. Explicitly say order of options included in -fopt-info
16260         does not matter.
16261
16262 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16263
16264         * config.gcc: Allow combinations of aprofile and rmprofile values for
16265         --with-multilib-list.
16266         * config/arm/t-multilib: New file.
16267         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
16268         variables.  Remove setting of ISA and floating-point ABI in
16269         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
16270         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
16271         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
16272         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
16273         CPU options.
16274         * config/arm/t-rmprofile: Likewise except for the matches changes.
16275         * doc/install.texi (--with-multilib-list): Document the combination of
16276         aprofile and rmprofile values and warn about pitfalls in doing that.
16277
16278 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16279
16280         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
16281         (movdi_aarch64): Likewise.
16282
16283 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16284
16285         PR tree-optimization/80632
16286         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
16287         field.
16288         (build_arrays): Initialize it for virtual phis.
16289         (fix_phi_nodes): Use it for virtual phis.
16290
16291         PR tree-optimization/80558
16292         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
16293         [x, y] op z into [x op, y op z] for op & or | if conditions
16294         are met.
16295
16296 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16297             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16298
16299         PR target/71607
16300         * config/arm/arm.md (use_literal_pool): Remove.
16301         (64-bit immediate split): No longer takes cost into consideration
16302         if arm_disable_literal_pool is enabled.
16303         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
16304         used when arm_disable_literal_pool is enabled.
16305         (arm_max_const_double_inline_cost): Remove use of
16306         arm_disable_literal_pool.
16307         (push_minipool_fix): Add assert.
16308         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
16309         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
16310         (no_literal_pool_sf_immediate): New.
16311
16312 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16313
16314         PR tree-optimization/80613
16315         * tree-ssa-dce.c (propagate_necessity): Remove cases for
16316         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
16317
16318 2017-05-05  Richard Biener  <rguenther@suse.de>
16319
16320         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
16321
16322 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
16323
16324         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
16325         of this flag from insn conditions due to removal from r247495.
16326
16327 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16328
16329         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
16330         New function.
16331         (arm_early_store_addr_dep_ptr): Likewise.
16332         * config/arm/aarch-common-protos.h
16333         (arm_early_load_addr_dep_ptr): Add prototype.
16334         (arm_early_store_addr_dep_ptr): Likewise.
16335         * config/arm/cortex-a53.md: Add new bypasses.
16336
16337 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16338
16339         * tree.c (next_type_uid): Change type to unsigned.
16340         (type_hash_canon): Decrement back next_type_uid if
16341         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
16342         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
16343         if possible.
16344
16345 2017-05-04  Martin Sebor  <msebor@redhat.com>
16346
16347         * builtins.c: Fix a trivial typo in a comment.
16348
16349         PR middle-end/79234
16350         * builtins.c (check_sizes): Adjust to handle reading past the end.
16351         Avoid printing excessive upper bound of ranges.  Use %E to print
16352         tree nodes instead of converting them to %wu.
16353         (expand_builtin_memchr): New function.
16354         (compute_dest_size): Rename...
16355         (compute_objsize): ...to this.
16356         (expand_builtin_memcpy): Adjust.
16357         (expand_builtin_mempcpy): Adjust.
16358         (expand_builtin_strcat): Adjust.
16359         (expand_builtin_strcpy): Adjust.
16360         (check_strncat_sizes): Adjust.
16361         (expand_builtin_strncat): Adjust.
16362         (expand_builtin_strncpy): Adjust and simplify.
16363         (expand_builtin_memset): Adjust.
16364         (expand_builtin_bzero): Adjust.
16365         (expand_builtin_memcmp): Adjust.
16366         (expand_builtin): Handle memcmp.
16367         (maybe_emit_chk_warning): Check strncat just once.
16368
16369 2017-05-04  Martin Sebor  <msebor@redhat.com>
16370
16371         PR preprocessor/79214
16372         PR middle-end/79222
16373         PR middle-end/79223
16374         * builtins.c (check_sizes): Add inlining context and issue
16375         warnings even when -Wno-system-headers is set.
16376         (check_strncat_sizes): Same.
16377         (expand_builtin_strncat): Same.
16378         (expand_builtin_memmove): New function.
16379         (expand_builtin_stpncpy): Same.
16380         (expand_builtin): Handle memmove and stpncpy.
16381
16382 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
16383
16384         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
16385         which is not used any more.
16386
16387 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16388
16389         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
16390
16391 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16392
16393         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
16394         (cortexa53_tunings): Likewise.
16395         (cortexa57_tunings): Likewise.
16396         (cortexa72_tunings): Likewise.
16397         (cortexa73_tunings): Likewise.
16398
16399 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16400
16401         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
16402         Set loop alignment to 8.
16403
16404 2017-05-04  Martin Sebor  <msebor@redhat.com>
16405
16406         PR translation/80280
16407         * builtins.c (expand_builtin_object_size): Add missing quoting to
16408         %D and like directives.
16409         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
16410         (hsa_type_for_tree_type): Same.
16411         (verify_function_arguments): Same.
16412         * symtab.c (symbol_table::change_decl_assembler_name): Same.
16413         * varasm.c (get_section): Same.
16414         (mark_weak): Same.
16415
16416 2017-05-04  Martin Sebor  <msebor@redhat.com>
16417
16418         PR translation/80280
16419         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
16420
16421 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16422
16423         * config/aarch64/aarch64.c (generic_addrcost_table):
16424         Change HI/TI mode setting.
16425
16426 2017-05-04  Martin Jambor  <mjambor@suse.cz>
16427
16428         PR tree-optimization/80622
16429         * tree-sra.c (comes_initialized_p): New function.
16430         (build_accesses_from_assign): Only set write lazily when
16431         comes_initialized_p is false.
16432         (analyze_access_subtree): Use comes_initialized_p.
16433         (propagate_subaccesses_across_link): Assert !comes_initialized_p
16434         instead of testing for PARM_DECL.
16435
16436 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16437
16438         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
16439         constraint on operand 0 to allow more general addressing modes.
16440         Adjust output template.
16441         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
16442         New function.
16443         * config/aarch64/aarch64-protos.h
16444         (aarch64_address_valid_for_prefetch_p): Declare prototype.
16445         * config/aarch64/constraints.md (Dp): New address constraint.
16446         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
16447         predicate.
16448
16449 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
16450
16451         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
16452         update use of estimate_ipcp_clone_size_and_time.
16453         (estimate_local_effects): Update use of
16454         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
16455         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
16456         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
16457         Return nonspecialized time.
16458
16459 2017-05-04  Richard Biener  <rguenther@suse.de>
16460
16461         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
16462         for the last VUSE which def dominates the PHI.  Directly call
16463         maybe_skip_until.
16464         (get_continuation_for_phi_1): Remove.
16465
16466 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
16467
16468         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
16469         to explain the use of truncating division.  Cap the number of
16470         iterations to the maximum given by nb_iterations_upper_bound,
16471         if defined.
16472
16473 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16474
16475         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
16476         * configure: Regenerate.
16477         * config.in: Regenerate.
16478         * config/i386/driver-mingw32.c: new file.
16479         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
16480         * config.host: Link driver-mingw32.o on MinGW host.
16481         * doc/install.texi: Document new --enable-mingw-wildcard configure
16482         option.
16483
16484 2017-05-04  Marek Polacek  <polacek@redhat.com>
16485
16486         PR tree-optimization/80612
16487         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
16488
16489 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16490             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
16491
16492         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
16493         (movt splitter): Likewise.
16494         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
16495         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
16496         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
16497         block for Thumb-1 with MOVT.
16498         (thumb2_legitimate_address_p): Move code block ...
16499         (can_avoid_literal_pool_for_label_p): ... into this new function.
16500         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
16501         literal pool.
16502         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
16503         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
16504         "M-profile targets with the MOVT instruction".
16505
16506 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16507
16508         * config/arm/arm-builtins.c (arm_init_builtins): Rename
16509         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
16510         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
16511
16512 2017-05-04  Martin Liska  <mliska@suse.cz>
16513
16514         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
16515         variable cond_code.
16516
16517 2017-05-04  Richard Biener  <rguenther@suse.de>
16518
16519         * tree.c (array_at_struct_end_p): Handle arrays at struct
16520         end with flexarrays more conservatively.  Refactor and treat
16521         arrays of arrays or aggregates more strict.  Fix
16522         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
16523         * tree.c (array_at_struct_end_p): Adjust prototype.
16524         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
16525         * gimple-fold.c (get_range_strlen): Likewise.
16526         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
16527
16528 2017-05-04  Richard Biener  <rguenther@suse.de>
16529
16530         PR tree-optimization/31130
16531         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
16532         false.
16533         (supports_overflow_infinity): Likewise.
16534         (is_negative_overflow_infinity): Likewise.
16535         (is_positive_overflow_infinity): Likewise.
16536         (is_overflow_infinity): Likewise.
16537         (stmt_overflow_infinity): Likewise.
16538         (overflow_infinity_range_p): Likewise.
16539         (usable_range_p): Remove as always returning true.
16540         (make_overflow_infinity): Remove.
16541         (negative_overflow_infinity): Likewise.
16542         (positive_overflow_infinity): Likewise.
16543         (avoid_overflow_infinity): Likewise.
16544         (set_value_range): Adjust accordingly.
16545         (set_value_range_to_nonnegative): Likewise, remove now unused
16546         overflow_infinity arg.
16547         (vrp_operand_equal_p): Adjust.
16548         (update_value_range): Likewise.
16549         (range_int_cst_singleton_p): Likewise.
16550         (operand_less_p): Likewise.
16551         (compare_values_warnv): Likewise.
16552         (extract_range_for_var_from_comparison_expr): Likewise.
16553         (vrp_int_const_binop): Likewise.
16554         (zero_nonzero_bits_from_vr): Likewise.
16555         (extract_range_from_multiplicative_op_1): Likewise.
16556         (extract_range_from_binary_expr_1): Likewise.
16557         (extract_range_from_unary_expr): Likewise.
16558         (extract_range_from_comparison): Likewise.
16559         (extract_range_basic): Likewise.
16560         (adjust_range_with_scev): Likewise.
16561         (compare_ranges): Likewise.
16562         (compare_range_with_value): Likewise.
16563         (dump_value_range): Likewise.
16564         (test_for_singularity): Likewise, remove strict_overflow_p parameter
16565         never used.
16566         (simplify_cond_using_ranges): Adjust.
16567
16568 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
16569
16570         * brig-builtins.def: Added a builtin for class_f64.
16571         * builtin-types.def: Added a builtin type needed by class_f64.
16572
16573 2017-05-03  Jason Merrill  <jason@redhat.com>
16574
16575         * timevar.def: Add TV_CONSTEXPR.
16576
16577 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16578
16579         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
16580
16581 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16582
16583         * ipa-prop.c (ipa_update_after_lto_read): Removed.
16584         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
16585         * ipa-cp.c (ipcp_propagate_stage): Do not call
16586         ipa_update_after_lto_read.
16587         * ipa-inline.c (ipa_inline): Likewise.
16588
16589 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16590
16591         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
16592         tag.  Added a default constructor and a destructor.
16593         (ipa_edge_args_sum_t): New class;
16594         (ipa_edge_args_sum): Declare.
16595         (ipa_edge_args_vector): Remove declaration.
16596         (IPA_EDGE_REF): Use ipa_edge_args_sum.
16597         (ipa_free_edge_args_substructures): Remove declaration.
16598         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
16599         (ipa_edge_args_info_available_for_edge_p): Likewise.
16600         * ipa-prop.c (ipa_edge_args_vector): Removed.
16601         (edge_removal_hook_holder): Likewise.
16602         (edge_duplication_hook_holder): Likewise.
16603         (ipa_edge_args_sum): New variable.
16604         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
16605         ipa_edge_args_vector.
16606         (ipa_free_edge_args_substructures): Likewise.
16607         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
16608         ipa_edge_args_vector.
16609         (ipa_edge_removal_hook): Turned into method
16610         ipa_edge_args_sum_t::remove.
16611         (ipa_edge_duplication_hook): Turned into method
16612         ipa_edge_args_sum_t::duplicate.
16613         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
16614         registering edge hooks.
16615         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
16616         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
16617         ipa_edge_args_sum instead of ipa_edge_args_vector.
16618         * ipa-profile.c (ipa_profile): Likewise.
16619
16620 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16621
16622         * symbol-summary.h (function_summary): New method exists.
16623         (function_summary::symtab_removal): Deallocate through release.
16624         (call_summary): New class.
16625         (gt_ggc_mx): New overload.
16626         (gt_pch_nx): Likewise.
16627         (gt_pch_nx): Likewise.
16628
16629 2017-05-03  Jeff Law  <law@redhat.com>
16630
16631         PR tree-optimization/78496
16632         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
16633         from simplify_cond_using_ranges.  Split off code to walk
16634         backwards through casts into ...
16635         (simplify_cond_using_ranges_2): New function.
16636         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
16637         (execute_vrp): After identifying jump threads, call
16638         simplify_cond_using_ranges_2.
16639
16640 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
16641
16642         PR bootstrap/80609
16643         * ipa-inline.h (inline_summary): Add ctor.
16644         (create_ggc): Do not use ggc_cleared_alloc.
16645
16646 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
16647             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16648
16649         * gcc.c (handle_braces): Support escaping in switch matching
16650         text.
16651         * doc/invoke.texi (Spec Files): Document it.
16652         Remove superfluous @code markup in items.
16653
16654 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16655
16656         * diagnostic-show-locus.c (struct column_range): New struct.
16657         (get_affected_columns): New function.
16658         (get_printed_columns): New function.
16659         (struct correction): New struct.
16660         (correction::ensure_capacity): New function.
16661         (correction::ensure_terminated): New function.
16662         (struct line_corrections): New struct.
16663         (line_corrections::~line_corrections): New dtor.
16664         (line_corrections::add_hint): New function.
16665         (layout::print_trailing_fixits): Reimplement in terms of the new
16666         classes.
16667         (selftest::test_overlapped_fixit_printing): New function.
16668         (selftest::diagnostic_show_locus_c_tests): Call it.
16669
16670 2017-05-03  Nathan Sidwell  <nathan@acm.org>
16671
16672         Canonicalize canonical type hashing
16673         * tree.h (type_hash_canon_hash): Declare.
16674         * tree.c (type_hash_list, attribute_hash_list): Move into
16675         type_hash_canon_hash.
16676         (build_type_attribute_qual_variant): Break out hash code calc into
16677         type_hash_canon_hash.
16678         (type_hash_canon_hash): New.  Generic type hash computation.
16679         (build_range_type_1, build_array_type_1, build_function_type,
16680         build_method_type_directly, build_offset_type, build_complex_type,
16681         make_vector_type): Call it.
16682
16683 2017-05-03  Richard Biener  <rguenther@suse.de>
16684
16685         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
16686         When all DRs have unknown misaligned do not always peel
16687         when there is a store but apply the same costing model as if
16688         there were only loads.
16689
16690 2017-05-03  Richard Biener  <rguenther@suse.de>
16691
16692         Revert
16693         PR tree-optimization/80492
16694         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
16695         compare_base_decls returning dont-know properly.
16696
16697 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16698
16699         * config/arm/iterators.md (CCSI): New mode iterator.
16700         (arch): New mode attribute.
16701         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
16702         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
16703         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
16704         code iterator for success result mode.
16705         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
16706         the corresponding new insn generators.
16707
16708 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
16709
16710         Revert r247509
16711         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16712         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16713
16714 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
16715
16716         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
16717         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
16718         (DDR_A): Wrap DDR argument in brackets.
16719         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
16720         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
16721         (DDR_REVERSED_P): Likewise.
16722
16723 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
16724
16725         PR tree-optimization/79472
16726         * tree-switch-conversion.c (struct switch_conv_info): Add
16727         contiguous_range and default_case_nonstandard fields.
16728         (collect_switch_conv_info): Compute contiguous_range and
16729         default_case_nonstandard fields, don't clear final_bb if
16730         contiguous_range and only the default case doesn't have the required
16731         structure.
16732         (check_all_empty_except_final): Set default_case_nonstandard instead
16733         of failing if contiguous_range and the default case doesn't have empty
16734         block.
16735         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
16736         and only the default case doesn't have the required constants.  Skip
16737         virtual phis.
16738         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
16739         if default_case_nonstandard.
16740         (build_constructors): Build constant 1 just once.  Assert that default
16741         values aren't inserted in between cases if contiguous_range.  Skip
16742         virtual phis.
16743         (build_arrays): Skip virtual phis.
16744         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
16745         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
16746         Handle virtual phis.
16747         (gen_inbound_check): Handle default_case_nonstandard case.
16748         (process_switch): Adjust check_final_bb caller.  Call
16749         gather_default_values with the first non-default case instead of
16750         default case if default_case_nonstandard.
16751
16752 2017-05-02  Nathan Sidwell  <nathan@acm.org>
16753
16754         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
16755         check.  Fix formatting.
16756
16757 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
16758
16759         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
16760         errors when comparing specialized and unspecialized times.
16761
16762 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
16763
16764         * diagnostic-show-locus.c
16765         (layout::should_print_annotation_line_p): Make private.
16766         (layout::print_annotation_line): Make private.
16767         (layout::annotation_line_showed_range_p): Make private.
16768         (layout::show_ruler): Make private.
16769         (layout::print_source_line): Make private.  Pass in line and
16770         line_width, rather than calling location_get_source_line.  Drop
16771         returned value.
16772         (layout::print_leading_fixits): New method.
16773         (layout::print_any_fixits): Rename to...
16774         (layout::print_trailing_fixits): ...this, and make private.
16775         Don't print newline fixits.
16776         (diagnostic_show_locus): Move logic for printing one row into...
16777         (layout::print_line): ...this new function.  Move the
16778         location_get_source_line call and error-handling from
16779         print_source_line to here.  Call print_leading_fixits, and rename
16780         print_any_fixits to print_trailing_fixits.
16781         (selftest::test_fixit_insert_containing_newline): Update now that
16782         newlines are partially supported.
16783         (selftest::test_fixit_insert_containing_newline_2): New test.
16784         (selftest::test_fixit_replace_containing_newline): Update comments.
16785         (selftest::diagnostic_show_locus_c_tests): Call the new test.
16786         * edit-context.c (class added_line): New class.
16787         (class edited_line): Describe newline handling in comment.
16788         (edited_line::actually_edited_p): New method.
16789         (edited_line::print_content): Delete redundant decl.
16790         (edited_line::m_predecessors): New field.
16791         (edited_file::print_content): Call edited_line::print_content.
16792         (edited_file::print_diff): Update to support newlines.
16793         (edited_file::print_diff_hunk): Likewise.
16794         (edited_file::print_run_of_changed_lines): New function.
16795         (edited_file::print_diff_line): Convert to...
16796         (print_diff_line): ...this.
16797         (edited_file::get_effective_line_count): New function.
16798         (edited_line::edited_line): Initialize new field m_predecessors.
16799         (edited_line::~edited_line): Clean up m_predecessors.
16800         (edited_line::apply_fixit): Handle newlines.
16801         (edited_line::get_effective_line_count): New function.
16802         (edited_line::print_content): New function.
16803         (edited_line::print_diff_lines): New function.
16804         (selftest::test_applying_fixits_insert_containing_newline): New
16805         test.
16806         (selftest::test_applying_fixits_replace_containing_newline): New
16807         test.
16808         (selftest::insert_line): New function.
16809         (selftest::test_applying_fixits_multiple_lines): Add example of
16810         inserting a line.
16811         (selftest::edit_context_c_tests): Call the new tests.
16812
16813 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16814
16815         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
16816         parameter cand.  Update dump information.
16817         (get_computation_cost): Update uses.
16818
16819 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16820
16821         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
16822         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
16823         (get_computation_at, rewrite_use_address): Update use of
16824         get_computation_aff.
16825
16826 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16827
16828         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
16829         (get_computation): Delete.
16830         (get_computation_cost): Implement like get_computation_cost_at.
16831         Use get_computation_at.
16832         (get_computation_cost_at): Delete.
16833         (rewrite_use_nonlinear_expr): Use get_computation_at.
16834         (rewrite_use_compare, remove_unused_ivs): Ditto.
16835
16836 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16837
16838         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
16839
16840 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16841
16842         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
16843         (ivopts_global_cost_for_size): Rename parameter and update uses.
16844         (iv_ca_recount_cost): Update uses.
16845         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
16846         candidates seperately in n_invs and n_cands.
16847         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
16848
16849 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16850
16851         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
16852         (find_inv_vars_cb): New.
16853         (find_depends): Renamed to ...
16854         (find_inv_vars): ... this.
16855         (add_candidate_1, force_var_cost): Call find_inv_vars.
16856         (split_address_cost, determine_group_iv_cost_cond): Ditto.
16857
16858 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16859
16860         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
16861         inv_vars.  Add inv_exprs.
16862         (struct iv_cand): Rename depends_on to inv_vars.
16863         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
16864         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
16865         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
16866         (dump_cand): Dump inv_vars.
16867         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
16868         (record_invariant, find_depends, add_candidate_1): Ditto.
16869         (set_group_iv_cost, force_var_cost): Ditto.
16870         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
16871         (get_computation_cost_at, get_computation_cost): Ditto.
16872         (determine_group_iv_cost_generic): Ditto.
16873         (determine_group_iv_cost_address): Ditto.
16874         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
16875         (determine_group_iv_costs): Ditto.
16876         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
16877         (iv_ca_set_remove_invariants): Renamed to ...
16878         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
16879         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
16880         (iv_ca_set_add_invariants):  Renamed to ...
16881         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
16882         (iv_ca_set_cp): Use iv_ca_set_add_invs.
16883         (iv_ca_has_deps): Support inv_vars and inv_exprs.
16884         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
16885         (create_new_ivs): Remove useless dump.
16886
16887 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16888
16889         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
16890         iv_cand code.
16891         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
16892         (iv_ca_set_no_cp, create_new_iv): Ditto.
16893
16894 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16895
16896         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16897
16898 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
16899
16900         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
16901         function tree_check2.
16902
16903 2017-05-02  Martin Liska  <mliska@suse.cz>
16904
16905         * doc/gcov.texi: Add missing preposition.
16906         * gcov.c (function_info::function_info): Properly fill up
16907         all member variables.
16908
16909 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
16910
16911         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
16912
16913 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
16914
16915         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
16916
16917 2017-05-02  Martin Liska  <mliska@suse.cz>
16918
16919         PR lto/77954.
16920         * lto-streamer-in.c (lto_read_tree_1): Remove
16921         LTO_STREAMER_DEBUG.
16922         * lto-streamer.c (struct tree_hash_entry): Likewise.
16923         (struct tree_entry_hasher): Likewise.
16924         (tree_entry_hasher::hash): Likewise.
16925         (tree_entry_hasher::equal): Likewise.
16926         (lto_streamer_init): Likewise.
16927         (lto_orig_address_map): Likewise.
16928         (lto_orig_address_get): Likewise.
16929         (lto_orig_address_remove): Likewise.
16930         * lto-streamer.h: Likewise.
16931         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
16932         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
16933
16934 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
16935
16936         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
16937         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
16938         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
16939         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
16940         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
16941         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
16942         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
16943         (mm_maskz_sub_ss): New intrinsics.
16944         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16945         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16946         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
16947         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
16948         (__builtin_ia32_subss_mask_round): New builtins.
16949         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16950         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16951         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
16952         Renamed to ...
16953         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
16954         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16955         Changed to ...
16956         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16957         ... this.
16958
16959 2017-05-02  Martin Jambor  <mjambor@suse.cz>
16960
16961         PR tree-optimization/78687
16962         * tree-sra.c (access): New field parent.
16963         (process_subtree_disqualification): New function.
16964         (disqualify_candidate): Call it.
16965         (build_accesses_from_assign): Reset write flag if creating an
16966         assighnment link.
16967         (build_access_subtree): Fill in parent field and also prpagate
16968         down grp_write flag.
16969         (create_artificial_child_access): New parameter set_grp_write, set
16970         grp_write to its value.
16971         (propagate_subaccesses_across_link): Also propagate grp_write flag
16972         values.
16973         (propagate_all_subaccesses): Push the closest parent back to work
16974         queue if add_access_to_work_queue returned true.
16975
16976 2017-05-02  Richard Biener  <rguenther@suse.de>
16977
16978         * common.opt (fstrict-overflow): Alias negative to fwrapv.
16979         * doc/invoke.texi (fstrict-overflow): Remove all traces of
16980         -fstrict-overflow documentation.
16981         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
16982         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
16983         flag_strict_overflow.
16984         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
16985         * lto-opts.c (lto_write_options): Do not stream it.
16986         * lto-wrapper.c (merge_and_complain): Do not handle it.
16987         * opts.c (default_options_table): Do not set -fstrict-overflow.
16988         (finish_options): Likewise do not clear it when sanitizing.
16989         * simplify-rtx.c (simplify_const_relational_operation): Do not
16990         test flag_strict_overflow.
16991
16992 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
16993
16994         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
16995         using enabled attribute.
16996         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
16997         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
16998         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
16999         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
17000         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
17001         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
17002         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
17003         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
17004         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
17005         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
17006
17007 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17008
17009         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
17010
17011 2017-05-02  Richard Biener  <rguenther@suse.de>
17012
17013         PR tree-optimization/80591
17014         Revert
17015         2017-04-10  Richard Biener  <rguenther@suse.de>
17016
17017         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17018         asm inputs.
17019
17020 2017-05-02  Richard Biener  <rguenther@suse.de>
17021
17022         PR tree-optimization/80549
17023         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
17024         (cleanup_tree_cfg_noloop): Create forwarders to known loop
17025         headers if they do not have a preheader.
17026
17027 2017-05-02  Martin Liska  <mliska@suse.cz>
17028
17029         PR other/80589
17030         * common.opt: Fix typo.
17031         * doc/invoke.texi: Likewise.
17032
17033 2017-05-01  Jan Beulich  <jbeulich@suse.com>
17034
17035         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
17036         swapping, add (x,x,m,x,n) alternative.
17037
17038 2017-05-01  Nathan Sidwell  <nathan@acm.org>
17039
17040         * calls.c (combine_pending_stack_adjustment_and_call): Remove
17041         unnecessary unadjusted_alignment check.
17042
17043 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17044
17045         PR c++/80038
17046         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
17047         operations here.
17048         * gimplify.c (gimplify_cilk_detach): New function.
17049         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
17050         * tree-core.h: Document EXPR_CILK_SPAWN.
17051         * tree.h (EXPR_CILK_SPAWN): Define.
17052
17053 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
17054
17055         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
17056         to use new fixit_hint representation, using the "replace" logic.
17057         (get_line_span_for_fixit_hint): Likewise.
17058         (layout::print_any_fixits): Likewise.
17059         (selftest::test_one_liner_many_fixits): Rename to...
17060         (selftest::test_one_liner_many_fixits_1): ...this, and update
17061         comment and expected output to reflect that the multiple fix-it
17062         hints are now consolidated into one insertion.
17063         (selftest::test_one_liner_many_fixits_2): New test.
17064         (selftest::test_diagnostic_show_locus_one_liner): Update for
17065         above.
17066         (selftest::test_fixit_consolidation): Update for fix-it API
17067         change.
17068         * diagnostic.c (print_parseable_fixits): Likewise.
17069         * edit-context.c (edited_line::m_line_events): Convert from
17070         auto_vec <line_event *> to auto_vec <line_event>.
17071         (class line_event): Convert from abstract base class to a concrete
17072         class, taking over the role of replace_event.
17073         (class insert_event): Delete.
17074         (class replace_event): Rename to class line_event.  Convert to
17075         half-open range.
17076         (edit_context::add_fixits): Reimplement.
17077         (edit_context::apply_insert): Delete.
17078         (edit_context::apply_replace): Rename to...
17079         (edit_context::apply_fixit): ...this.  Convert to half-open range.
17080         (edited_file::apply_insert): Delete.
17081         (edited_file::apply_replace): Rename to...
17082         (edited_file::apply_fixit): ...this.
17083         (edited_line::~edited_line): Drop deletion of events.
17084         (edited_line::apply_insert): Delete.
17085         (edited_line::apply_replace): Rename to...
17086         (edited_line::apply_fixit): ...this.  Convert to half-open range.
17087         Update for change to type of m_line_events.
17088         * edit-context.h (edit_context::apply_insert): Delete.
17089         (edit_context::apply_replace): Rename to...
17090         (edit_context::apply_fixit): ...this.
17091
17092 2017-05-01  Martin Sebor  <msebor@redhat.com>
17093
17094         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
17095         known.
17096
17097 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
17098
17099         PR target/68491
17100         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
17101         __get_cpuid_max returns 0.
17102         (__get_cpuid_count): Ditto.
17103
17104 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
17105
17106         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
17107         replacement expression is another instance of one of its arguments.
17108
17109 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
17110
17111         PR target/79430
17112         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
17113         check for stack push/pop autoinc.
17114         * config/i386/i386.c (ix86_agi_dependent): Return false
17115         if the only reason why modified_in_p returned true is that
17116         addr is SP based and set_insn is a push or pop.
17117
17118 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17119
17120         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
17121         overflow check.
17122
17123 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17124
17125         PR ipa/79224
17126         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
17127         (account_size_time): Use two predicates - exec_pred and
17128         nonconst_pred_ptr.
17129         (evaluate_conditions_for_known_args): Compute both clause and
17130         nonspec_clause.
17131         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
17132         (inline_summary_t::duplicate): Update.
17133         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
17134         separately.
17135         (compute_inline_parameters): Likewise.
17136         (estimate_edge_size_and_time): Update caluclation of time.
17137         (estimate_node_size_and_time): Compute both time and nonspecialized
17138         time.
17139         (estimate_ipcp_clone_size_and_time): Update.
17140         (inline_merge_summary): Update.
17141         (do_estimate_edge_time): Update.
17142         (do_estimate_edge_size): Update.
17143         (do_estimate_edge_hints): Update.
17144         (inline_read_section, inline_write_summary): Stream both new predicates.
17145         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
17146         as argument.
17147         (compute_inlined_call_time): Cleanup.
17148         (big_speedup_p): Update.
17149         (edge_badness): Update.
17150         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
17151         (size_time_entry): Replace predicate by exec_predicate and
17152         nonconst_predicate.
17153         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
17154         (estimate_edge_time): Return also nonspec_time.
17155         (reset_edge_growth_cache): Update.
17156
17157 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
17158
17159         PR rtl-optimization/80491
17160         * ifcvt.c (noce_process_if_block): When looking for x setter
17161         with missing else_bb, don't check only the insn right before
17162         cond_earliest, but look for the last insn that x is modified in
17163         within the same bb.
17164
17165         PR rtl-optimization/80491
17166         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
17167
17168 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
17169
17170         PR tree-optimization/80487
17171         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
17172
17173 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17174
17175         PR tree-optimization/79697
17176         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
17177         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
17178         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
17179         BUILT_IN_STRNDUP.
17180         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
17181         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
17182
17183 2017-04-28  Martin Sebor  <msebor@redhat.com>
17184
17185         PR tree-optimization/80523
17186         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
17187         (init_target_to_host_charmap, target_to_host, target_strtol10): New
17188         functions.
17189         (maybe_warn, format_directive, parse_directive): Use new functions.
17190         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
17191
17192 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
17193
17194         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
17195
17196 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17197
17198         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
17199         target_header_dir): Set correctly.
17200         * configure: Regenerated.
17201         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17202         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17203         instead of SYSTEM_HEADER_DIR.
17204
17205 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
17206
17207         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
17208         (estimate_local_effects): Likewise.
17209         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
17210         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
17211         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
17212         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
17213         do_estimate_edge_time, estimate_edge_time): Likewise.
17214         * ipa-inline-analysis.c (estimate_node_size_and_time,
17215         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
17216         (estimate_time_after_inlining): Remove.
17217
17218 2017-04-28  Martin Liska  <mliska@suse.cz>
17219
17220         * doc/gcov.texi: Enhance documentation of gcov.
17221
17222 2017-04-28  Martin Liska  <mliska@suse.cz>
17223
17224         * doc/gcov.texi: Sort options in alphabetic order.
17225         * doc/gcov-dump.texi: Likewise.
17226         * doc/gcov-tool.texi: Likewise.
17227         * gcov.c (print_usage): Likewise.
17228         * gcov-dump.c (print_usage): Likewise.
17229         * gcov-tool.c (print_merge_usage_message): Likewise.
17230         (print_rewrite_usage_message): Likewise.
17231         (print_overlap_usage_message): Likewise.
17232
17233 2017-04-28  Martin Liska  <mliska@suse.cz>
17234
17235         PR gcov-profile/53915
17236         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
17237
17238 2017-04-28  Martin Liska  <mliska@suse.cz>
17239
17240         PR gcov-profile/79891
17241         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
17242         is marked by compiler as living on a line.
17243         (get_cycles_count): Remove usage of the union.
17244         (output_intermediate_file): Likewise.
17245         (find_source): Fix GNU coding style.
17246         (accumulate_line_counts): Remove old non-all block mode.
17247         (output_lines): Remove usage of the union.
17248         * profile.c (output_location): Include all BBs, even if
17249         belonging to a same line (and file) as a previous BB.
17250
17251 2017-04-28  Martin Liska  <mliska@suse.cz>
17252
17253         * gcov.c (process_args): Handle new argument 'w'.
17254         (read_graph_file): Assign ID to BBs.
17255         (output_branch_count): Display BB # if verbose flag is set.
17256         (output_lines): Likewise for arcs.
17257         (print_usage): Add '--verbose' option help.
17258         * doc/gcov.texi: Document --verbose (-w) option.
17259
17260 2017-04-28  Martin Liska  <mliska@suse.cz>
17261
17262         * gcov.c (struct block_location_info): New struct.
17263         (process_file): Fill up the new structure.
17264         (read_graph_file): Replace usage of encoding by the newly added
17265         struct.
17266         (add_line_counts): Likewise.
17267         (accumulate_line_counts): Remove usage of the union.
17268         (function_info::function_info): New function.
17269         (function_info::~function_info): Likewise.
17270         (process_file): Call delete instead of release_function.
17271         (release_function): Release the function.
17272         (release_structures): Call delete instead of release_function.
17273         (solve_flow_graph): Replace usage of num_blocks.
17274         (find_exception_blocks): Likewise.
17275         (output_lines): Fix GNU coding style.
17276
17277 2017-04-28  Martin Liska  <mliska@suse.cz>
17278
17279         PR driver/56469
17280         * coverage.c (coverage_remove_note_file): New function.
17281         * coverage.h: Declare the function.
17282         * toplev.c (finalize): Clean if an error has been seen.
17283
17284 2017-04-28  Martin Liska  <mliska@suse.cz>
17285
17286         PR gcov-profile/80031
17287         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
17288         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
17289         * gcov.c (read_graph_file): Read just number of blocks.
17290         * profile.c (branch_prob): Do not stream 0 flags per a basic
17291         block.
17292
17293 2017-04-28  Martin Liska  <mliska@suse.cz>
17294
17295         * gcov-dump.c (tag_*): Add new argument to declarations.
17296         (dump_gcov_file): Likewise.
17297         (tag_blocks): Add and use new argument depth.
17298         (tag_arcs): Likewise.
17299         (tag_lines): Likewise.
17300         (tag_counters): Likewise.
17301         (tag_summary): Likewise.
17302         (dump_working_sets): Use depth to do a proper indentation.
17303
17304 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
17305
17306         PR bootstrap/80531
17307         * cgraph.h (symtab_node::debug_symtab): No longer inline.
17308         * symtab.c (symtab_node::debug_symtab): Move definition here.
17309
17310 2017-04-28  Richard Biener  <rguenther@suse.de>
17311
17312         * lto-streamer.h (LTO_major_version): Bump to 7.
17313
17314 2017-04-28  Richard Biener  <rguenther@suse.de>
17315
17316         * tree-vrp.c (assert_info): New struct.
17317         (add_assert_info): New helper.
17318         (register_edge_assert_for_2): Refactor to add asserts to a vector
17319         of assert_info.
17320         (register_edge_assert_for_1): Likewise.
17321         (register_edge_assert_for): Likewise.
17322         (finish_register_edge_assert_for): New helper actually registering
17323         asserts where live on edge.
17324         (find_conditional_asserts): Adjust.
17325         (find_switch_asserts): Likewise.
17326         (evrp_dom_walker::try_find_new_range): Generalize.
17327         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
17328
17329 2017-04-27  Marek Polacek  <polacek@redhat.com>
17330
17331         PR sanitizer/80349
17332         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
17333         arg10 and arg11 to itype.
17334
17335 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
17336
17337         * doc/extend.texi (Object Size Checking): Improve grammar.
17338
17339 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
17340
17341         PR target/80530
17342         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
17343         that the logic for permitting reciprocal estimates matches that
17344         in use_rsqrt_p.
17345
17346 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17347
17348         PR c++/80534
17349         * tree.c (type_cache_hasher::equal): Only compare
17350         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
17351         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
17352         non-aggregate element types.
17353         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
17354         about the flag on ARRAY_TYPEs in the comment, formatting fix.
17355
17356 2017-04-27  Richard Biener  <rguenther@suse.de>
17357
17358         PR middle-end/80533
17359         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
17360         stripping ARRAY_REFs from MEM_EXPR make sure we're not
17361         keeping a reference to a trailing array.
17362
17363 2017-04-27  Richard Biener  <rguenther@suse.de>
17364
17365         PR middle-end/80539
17366         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
17367         being in loop-closed SSA form conservatively.
17368         (chrec_fold_multiply_poly_poly): Likewise.
17369
17370 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
17371
17372         PR middle-end/79665
17373         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
17374         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
17375
17376 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17377
17378         PR target/77728
17379         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
17380         (aarch64_function_arg_alignment): Return unsigned int again, but still
17381         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
17382         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17383         Don't emit -Wpsabi note.
17384         (aarch64_function_arg_boundary): Likewise.
17385         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17386         caller.
17387
17388 2017-04-26  Nathan Sidwell  <nathan@acm.org>
17389
17390         * tree.h (crc32_unsigned_n): Declare.
17391         (crc32_unsigned, crc32_unsigned): Make inline.
17392         * tree.c (crc32_unsigned_bits): Replace with ...
17393         (crc32_unsigned_n): ... this.
17394         (crc32_unsigned, crc32_byte): Remove.
17395         (crc32_string): Remove unnecessary braces.
17396
17397 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17398
17399         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
17400         * ipa-inline-analysis.c (MAX_TIME): Remove.
17401         (account_size_time): Use sreal for time.
17402         (dump_inline_summary): Update.
17403         (estimate_function_body_sizes): Update.
17404         (estimate_edge_size_and_time): Update.
17405         (estimate_calls_size_and_time): Update.
17406         (estimate_node_size_and_time): Update.
17407         (inline_merge_summary): Update.
17408         (inline_update_overall_summary): Update.
17409         (estimate_time_after_inlining): Update.
17410         (inline_read_section): Update.
17411         (inline_write_summary): Update.
17412         * ipa-inline.c (compute_uninlined_call_time): Update.
17413         (compute_inlined_call_time): Update.
17414         (recursive_inlining): Update.
17415         (inline_small_functions): Update.
17416         (dump_overall_stats): Update.
17417         * ipa-inline.h: Include sreal.h.
17418         (size_time_entry): Turn time to sreal.
17419         (inline_summary): Turn self_time nad time to sreal.
17420
17421 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17422
17423         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
17424         data-streamer.h
17425         (sreal::stream_out, sreal::stream_in): New.
17426         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
17427
17428 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17429
17430         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
17431         environment.
17432
17433 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
17434
17435         PR target/70799
17436         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
17437         Handle ASHIFTRT.
17438         (dimode_scalar_chain::compute_convert_gain): Ditto.
17439         (dimode_scalar_chain::make_vector_copies): Ditto.
17440         (dimode_scalar_chain::convert_reg): Ditto.
17441         (dimode_scalar_chain::convert_insn): Ditto.
17442         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
17443         (VI248_AVX512BW_1): New mode iterator.
17444         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
17445         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
17446         mode iterator.
17447
17448 2017-04-25  Martin Sebor  <msebor@redhat.com>
17449
17450         PR tree-optimization/80497
17451         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
17452         constants are representable in HOST_WIDE_INT.
17453         (parse_directive): Ditto.
17454
17455 2017-04-25  Martin Sebor  <msebor@redhat.com>
17456
17457         PR bootstrap/80486
17458         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
17459         (new_zero_array): Adjust signature.
17460         (dom_info::dom_init): Used unsigned rather that size_t.
17461         (dom_info::dom_info): Same.
17462
17463 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17464             Jakub Jelinek  <jakub@redhat.com>
17465
17466         PR target/77728
17467         * config/arm/arm.c: Include gimple.h.
17468         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17469         returns negative, increment ncrn only if it returned positive.
17470         (arm_needs_doubleword_align): Return int instead of bool,
17471         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
17472         members, but if there is any such non-FIELD_DECL
17473         > PARM_BOUNDARY aligned decl, return -1 instead of false.
17474         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
17475         returns negative, increment nregs only if it returned positive.
17476         (arm_setup_incoming_varargs): Likewise.
17477         (arm_function_arg_boundary): Emit -Wpsabi note if
17478         arm_needs_doubleword_align returns negative, return
17479         DOUBLEWORD_ALIGNMENT only if it returned positive.
17480
17481 2017-04-25  Marek Polacek  <polacek@redhat.com>
17482
17483         PR sanitizer/80349
17484         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
17485         first argument to type.
17486
17487 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
17488
17489         PR target/80482
17490         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
17491         type checks to test for compatibility instead of equality.
17492
17493 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17494             Jakub Jelinek  <jakub@redhat.com>
17495
17496         PR target/77728
17497         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
17498         type.
17499         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
17500         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
17501         the alignment computation, but return their maximum in warn_alignment.
17502         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17503         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
17504         is smaller.
17505         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
17506         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17507         caller.
17508
17509 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17510
17511         * config/arc/simdext.md (dmpyh): Fix typo.
17512
17513 2017-04-25  Richard Biener  <rguenther@suse.de>
17514
17515         PR tree-optimization/80492
17516         * alias.c (compare_base_decls): Handle registers with asm
17517         specification conservatively.
17518         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17519         compare_base_decls returning dont-know properly.
17520
17521 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17522
17523         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
17524         (legitimate_offset_address_p): New function.
17525         (arc_legitimate_address_p): Use above function.
17526
17527 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17528
17529         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
17530
17531 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17532
17533         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
17534         ACCH registers whenever they are available.
17535
17536 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17537
17538         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
17539         double regs fix when not used.
17540
17541 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17542
17543         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
17544         core registers.
17545         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
17546         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
17547
17548 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17549
17550         * config/arc/arc.c (arc_output_addsi): Check for h-register class
17551         when emitting short ADD instructions.
17552
17553 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17554
17555         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
17556         constraint.
17557         (cmpsi_cc_c_insn): Likewise.
17558         (cbranchsi4_scratch): Compute proper instruction length using
17559         compact_hreg_operand.
17560         * config/arc/predicates.md (compact_hreg_operand): New predicate.
17561
17562 2017-04-25  Richard Biener  <rguenther@suse.de>
17563
17564         PR middle-end/80509
17565         * passes.c (pass_manager::pass_manager): Initialize
17566         m_name_to_pass_map.
17567
17568 2017-04-25  Richard Biener  <rguenther@suse.de>
17569
17570         PR tree-optimization/79201
17571         * tree-ssa-sink.c (statement_sink_location): Handle calls.
17572
17573 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17574
17575         PR target/80464
17576         * config/s390/vector.md: Split MEM->GPR vector moves for
17577         non-s_operand addresses.
17578
17579 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17580
17581         PR target/79895
17582         * config/s390/predicates.md (reload_const_wide_int_operand): New
17583         predicate.
17584         * config/s390/s390.md ("movti"): Remove d/P alternative.
17585         ("movti_bigconst"): New pattern definition.
17586
17587 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17588
17589         PR target/80080
17590         * s390-protos.h (s390_expand_cs_hqi): Removed.
17591         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
17592         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
17593         modes as well as CCZ1mode and CCZmode.
17594         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
17595         signature of s390_emit_compare_and_swap.
17596         (s390_expand_cs_hqi): Likewise, make static.
17597         (s390_expand_cs_tdsi): Generate an explicit compare before trying
17598         compare-and-swap, in some cases.
17599         (s390_expand_cs): Wrapper function.
17600         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
17601         atomic_exchange.
17602         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
17603         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
17604         patterns for small and large integers.  Forbid symref memory operands.
17605         Move expander to s390.c.  Require cc register.
17606         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
17607         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
17608         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
17609         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
17610         symref memory operands.  Remove CC mode and call s390_match_ccmode
17611         instead.
17612         ("atomic_exchange<mode>"): Allow and implement all integer modes.
17613
17614 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17615
17616         * config/s390/s390.md (define_peephole2): New peephole to help
17617         combining the load-and-test pattern with volatile memory.
17618
17619 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17620
17621         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
17622         with CCZmode for TARGET_Z196.
17623
17624 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17625
17626         PR rtl-optimization/80501
17627         * combine.c (make_compound_operation_int): Set subreg_code to SET
17628         even for AND with mask of the sign bit of mode.
17629
17630         PR rtl-optimization/80500
17631         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
17632         sum's initial value.
17633
17634 2017-04-25  Julian Brown  <julian@codesourcery.com>
17635             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17636
17637         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
17638
17639 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
17640
17641         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
17642
17643 2017-04-25  Julian Brown  <julian@codesourcery.com>
17644             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17645
17646         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
17647         (thunderx2t99_sha): New Reservation.
17648
17649 2017-04-25  Julian Brown  <julian@codesourcery.com>
17650             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17651
17652         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
17653         type for 1-element load.
17654
17655 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
17656
17657         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
17658
17659 2017-04-24  Martin Jambor  <mjambor@suse.cz>
17660
17661         PR tree-optimization/80293
17662         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
17663         char arrays not totally scalarizable if it is false.
17664         (analyze_all_variable_accesses): Pass correct value in the new
17665         parameter.  Add a statistics counter.
17666
17667 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
17668
17669         PR middle-end/79931
17670         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
17671
17672 2017-04-24  Richard Biener  <rguenther@suse.de>
17673
17674         PR tree-optimization/80494
17675         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
17676         out for complex types.
17677
17678 2017-04-24  Richard Biener  <rguenther@suse.de>
17679
17680         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
17681         * tree-ssa-sccvn.c (print_scc): Print SCC size.
17682         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
17683         (DFS): Adjust and never fail.
17684         (sccvn_dom_walker::fail): Remove.
17685         (sccvn_dom_walker::before_dom_children): Adjust.
17686         (run_scc_vn): Likewise and never fail.
17687         * tree-ssa-pre.c (pass_pre::execute): Adjust.
17688         (pass_fre::execute): Likewise.
17689
17690 2017-04-24  Richard Biener  <rguenther@suse.de>
17691
17692         PR tree-optimization/79725
17693         * tree-ssa-sink.c (statement_sink_location): Return whether
17694         failure reason was zero uses.  Move that check later.
17695         (sink_code_in_bb): Deal with zero uses by removing the stmt
17696         if possible.
17697
17698 2017-04-24  Richard Biener  <rguenther@suse.de>
17699
17700         PR c++/2972
17701         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
17702         pointer-based references.
17703
17704 2017-04-24  Richard Biener  <rguenther@suse.de>
17705
17706         PR bootstrap/79814
17707         * pass_manager.h (pass_manager::operator new): Remove.
17708         (pass_manager::operator delete): Likewise.
17709         * passes.c (pass_manager::operator new): Remove.
17710         (pass_manager::operator delete): Likewise.
17711         (pass_manager::pass_manager): Zero individual pass members.
17712
17713 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
17714
17715         PR target/70799
17716         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
17717         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
17718         Check "XEXP (src, 1)" operand here.
17719         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
17720         Check "XEXP (src, 1)" operand here.
17721         (dimode_scalar_chain::make_vector_copies): Detect count register
17722         of a shift instruction.  Zero extend count register from QImode
17723         to DImode to satisfy vector shift pattern count operand predicate.
17724         Substitute vector shift count operand with a DImode copy.
17725         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
17726         vector register.
17727
17728 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
17729
17730         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
17731         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
17732         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
17733         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
17734         (UNSPEC_NOREX_MEM): Remove definition.
17735
17736 2017-04-21  Richard Biener  <rguenther@suse.de>
17737
17738         PR tree-optimization/79547
17739         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
17740         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
17741         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
17742         without any constraints.
17743
17744 2017-04-21  Richard Biener  <rguenther@suse.de>
17745
17746         PR tree-optimization/78847
17747         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
17748
17749 2017-04-21  Richard Biener  <rguenther@suse.de>
17750
17751         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
17752         (build_distinct_type_copy): Likewise.
17753         (build_variant_type_copy): Likewise.
17754         * tree.c (build_qualified_type): Pass down mem-stat info.
17755         (build_distinct_type_copy): Likewise.
17756         (build_variant_type_copy): Likewise.
17757
17758 2017-04-21  Richard Biener  <rguenther@suse.de>
17759
17760         PR tree-optimization/80237
17761         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
17762         defaulted to NULL.
17763         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
17764         for a simplified result.
17765
17766 2016-04-21  Richard Biener  <rguenther@suse.de>
17767
17768         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
17769         sth as strict as a simple_iv but a chrec without symbols and an
17770         operand defined in the loop we are peeling (and not some subloop).
17771         (propagate_constants_for_unrolling): Propagate all constants.
17772
17773 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
17774
17775         PR target/79804
17776         * config/i386/i386.c (print_reg): Remove assert for disalowed
17777         regno values, call output_operand_lossage instead.
17778
17779 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
17780
17781         PR target/78090
17782         * config/i386/constraints.md (Yc): New register constraint.
17783         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
17784         Use Yc constraint for alternative 2 of operand 0.  Remove
17785         preferred_for_speed attribute.
17786
17787 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
17788
17789         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
17790         lastprivate clauses in SIMT case.
17791
17792 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
17793
17794         * doc/invoke.texi (-Wextra-semi): Document new warning option.
17795
17796 2017-04-20  Richard Biener  <rguenther@suse.de>
17797
17798         PR tree-optimization/57796
17799         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
17800         as N scalar stores.
17801         (vect_model_load_cost): Cost gathers as N scalar loads.
17802
17803 2017-04-20  Richard Biener  <rguenther@suse.de>
17804
17805         * ggc-page.c (ggc_allocated_p): Rename to ...
17806         (safe_lookup_page_table_entry): ... this and return the lookup
17807         result.
17808         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
17809
17810 2017-04-20  Richard Biener  <rguenther@suse.de>
17811
17812         PR tree-optimization/80453
17813         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
17814         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
17815         from the conditions.
17816         (vn_phi_eq): Pass them down.
17817         (vn_phi_lookup): Record them.
17818         (vn_phi_insert): Likewise.
17819
17820 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
17821
17822         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
17823         uninitialized variable warning to avoid buffer overrun.
17824
17825 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
17826
17827         PR other/71250
17828         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
17829         is suppressed for '{ 0 }' in C.
17830
17831 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
17832
17833         * BASE-VER: Set to 8.0.0.
17834
17835 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17836
17837         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
17838         priority .init_array and .fini_array section with SECTION_NOTYPE
17839         flag.
17840
17841 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
17842
17843         PR middle-end/80423
17844         * tree.h (build_array_type): Add typeless_storage default argument.
17845         * tree.c (type_cache_hasher::equal): Also compare
17846         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
17847         (build_array_type): Add typeless_storage argument, set
17848         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
17849         recursive call.
17850         (build_nonshared_array_type): Adjust build_array_type_1 caller.
17851         (build_array_type): Likewise.  Add typeless_storage argument.
17852
17853 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
17854             Jakub Jelinek  <jakub@redhat.com>
17855
17856         PR tree-optimization/80426
17857         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
17858         operation on symbolic operands, also compute the overflow for the
17859         invariant part when the operation degenerates into a negation.
17860
17861 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
17862
17863         PR debug/80461
17864         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
17865         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
17866
17867         PR debug/80436
17868         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
17869
17870 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
17871
17872         PR target/80462
17873         * config/avr/avr.c (tree.h): Include it.
17874         (cgraph.h): Include it.
17875         (avr_encode_section_info): Don't warn for uninitialized progmem
17876         variable if it's just an alias.
17877
17878 2017-04-19  Richard Biener  <rguenther@suse.de>
17879
17880         PR ipa/65972
17881         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
17882         when needed by AutoPGO.
17883
17884 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
17885
17886         PR lto/50345
17887         * doc/lto.texi: Remove an extra 'that'.
17888
17889 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
17890
17891         PR rtl-optimization/80429
17892         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
17893         are only used in debug insns.
17894
17895 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
17896             Vladimir Makarov  <vmakarov@redhat.com>
17897
17898         * config/sparc/predicates.md (input_operand): Add comment.  Return
17899         true for any memory operand when LRA is in progress.
17900         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
17901
17902 2017-04-18  Jeff Law  <law@redhat.com>
17903
17904         PR target/74563
17905         * mips.md ({return,simple_return}_internal): Do not overwrite
17906         operands[0].
17907
17908 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17909
17910         PR tree-optimization/80443
17911         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
17912         instead of adding 1, subtract -1 and similarly instead of subtracting
17913         1 add -1.
17914
17915 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
17916
17917         PR rtl-optimization/80357
17918         * haifa-sched.c (tmp_bitmap): New variable.
17919         (model_recompute): Handle duplicate use records.
17920         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
17921         (free_global_sched_pressure_data): Free it.
17922
17923 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17924
17925         Revert:
17926         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17927         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17928         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17929         instead of SYSTEM_HEADER_DIR.
17930
17931 2017-04-18  Jeff Law  <law@redhat.com>
17932
17933         PR middle-end/80422
17934         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
17935         predecessors after walking up the insn chain.
17936
17937 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17938
17939         PR debug/80263
17940         * dwarf2out.c (modified_type_die): Try harder not to emit internal
17941         sizetype type into debug info.
17942
17943 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
17944
17945         PR target/80099
17946         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
17947         unneeded test for TARGET_UPPER_REGS_SF.
17948         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
17949
17950 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17951
17952         PR sanitizer/80444
17953         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
17954         instead of gsi_after_labels.
17955
17956 2017-04-18  Jeff Law  <law@redhat.com>
17957
17958         * regcprop.c (maybe_mode_change): Avoid creating copies of the
17959         stack pointer.
17960
17961         Revert:
17962         2017-04-13  Jeff Law  <law@redhat.com>
17963         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
17964         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
17965
17966 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
17967
17968         PR target/79453
17969         * config/avr/avr.c (intl.h): Include it.
17970         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
17971
17972 2017-04-18  Martin Liska  <mliska@suse.cz>
17973
17974         PR gcov-profile/78783
17975         * gcov-tool.c (gcov_output_files): Validate that destination
17976         file is either removed by the tool or by a user.
17977
17978 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
17979             Guy Benyei  <guybe@mellanox.com>
17980
17981         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
17982         block, and do not negate it, the stored id is already negative.
17983
17984 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
17985
17986         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
17987
17988 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
17989
17990         PR target/80098
17991         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
17992         masks of options that should be turned off if the VSX vector
17993         options are turned off.
17994         (OTHER_P8_VECTOR_MASKS): Likewise.
17995         (OTHER_VSX_VECTOR_MASKS): Likewise.
17996         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
17997         rs6000_disable_incompatible_switches to validate no type switches
17998         like -mvsx.
17999         (rs6000_incompatible_switch): New function to disallow turning on
18000         other vector options if -mno-vsx, -mno-power8-vector, or
18001         -mno-power9-vector are specified.
18002
18003 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18004
18005         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
18006
18007 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18008
18009         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
18010         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
18011         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
18012         (ARG_POINTER_CFA_OFFSET): Likewise.
18013
18014 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18015
18016         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
18017         conditions to take advantage of various optimizations.
18018
18019 2017-04-13  Jeff Law  <law@redhat.com>
18020
18021         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18022         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18023         (zero_extendsidi2_dext): Likewise.
18024
18025 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18026
18027         PR sanitizer/80403
18028         * fold-const.c (fold_ternary_loc): Revert
18029         use op0 instead of fold_convert_loc (loc, type, arg0) part of
18030         2017-04-12 change.
18031
18032 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
18033
18034         PR rtl-optimization/80343
18035         * lra-remat.c (update_scratch_ops): Assign original hard reg to
18036         new scratch pseudo.
18037
18038 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
18039
18040         PR sanitizer/80414
18041         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
18042         to ubsan_encode_value.
18043
18044 2017-04-13  Jeff Law  <law@redhat.com>
18045
18046         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
18047         appearing in DEBUG_INSNs.
18048
18049 2017-04-13  Martin Liska  <mliska@suse.cz>
18050
18051         PR gcov-profile/80413
18052         * gcov-io.c (gcov_write_string): Copy to buffer just when
18053         allocated size is greater than zero.
18054
18055 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18056
18057         PR debug/80321
18058         * dwarf2out.c (decls_for_scope): Ignore declarations of
18059         current_function_decl in BLOCK_NONLOCALIZED_VARS.
18060
18061 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
18062
18063         PR lto/69953
18064         * ipa-visibility.c (non_local_p): Fix typos.
18065         (localize_node): When localizing symbol in same comdat group,
18066         dissolve the group only when we know external symbols are going
18067         to be privatized.
18068         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
18069
18070 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18071
18072         PR tree-optimization/79390
18073         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
18074         order does not result in usable sequence, retry with reversed operand
18075         order.
18076
18077         PR sanitizer/80403
18078         PR sanitizer/80404
18079         PR sanitizer/80405
18080         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
18081         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
18082         op0 instead of fold_convert_loc (loc, type, arg0).
18083
18084 2017-04-12  Jeff Law  <law@redhat.com>
18085
18086         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
18087         has a delay slot in the generated code.
18088
18089         * config/cris/cris.md (cris_preferred_reload_class): Return
18090         GENNONACR_REGS rather than GENERAL_REGS.
18091
18092 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18093
18094         PR c/80163
18095         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
18096         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
18097         signedness of the result type.
18098
18099 2017-04-12  Richard Biener  <rguenther@suse.de>
18100             Jeff Law  <law@redhat.com>
18101
18102         PR tree-optimization/80359
18103         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
18104         trim stores to TARGET_MEM_REFs.
18105
18106 2017-04-12  Richard Biener  <rguenther@suse.de>
18107
18108         PR tree-optimization/79390
18109         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
18110         threading case even more.
18111
18112 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
18113
18114         PR target/80382
18115         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
18116         for quad_address_p for TImode, instead of just not indexed_address.
18117
18118 2017-04-12  Richard Biener  <rguenther@suse.de>
18119             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18120
18121         PR middle-end/79671
18122         * alias.c (component_uses_parent_alias_set_from): Handle
18123         TYPE_TYPELESS_STORAGE.
18124         (get_alias_set): Likewise.
18125         * tree-core.h (tree_type_common): Add typeless_storage flag.
18126         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
18127         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
18128         for types containing members with TYPE_TYPELESS_STORAGE.
18129         (place_field): Likewise.
18130         (layout_type): Likewise for ARRAY_TYPE.
18131         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
18132         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
18133         TYPE_TYPELESS_STORAGE.
18134         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
18135
18136 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18137
18138         PR sanitizer/80349
18139         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18140         first argument to type.
18141
18142 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18143
18144         PR target/80376
18145         PR target/80315
18146         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
18147         CONST0_RTX (mode) rather than const0_rtx where appropriate.
18148         (rs6000_expand_binop_builtin): Likewise.
18149         (rs6000_expand_ternop_builtin): Likewise; also add missing
18150         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
18151         vshasigma built-ins.
18152         * doc/extend.texi: Document that vec_xxpermdi's third argument
18153         must be a constant.
18154
18155 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
18156
18157         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
18158         Use shift_const cost parameter when calculating gain of STV shifts.
18159
18160 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
18161
18162         PR rtl-optimization/70478
18163         * lra-constraints.c (process_alt_operands): Check memory for
18164         disfavoring memory insn operand.
18165
18166 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18167
18168         PR middle-end/80100
18169         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
18170         left shift in unsigned HOST_WIDE_INT type.
18171
18172         PR rtl-optimization/80385
18173         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
18174         (not (neg X)) into (plus X -1) for complex or non-integral modes.
18175
18176         PR libgomp/80394
18177         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
18178         if they have any depend clauses.
18179
18180 2017-04-11  Martin Liska  <mliska@suse.cz>
18181
18182         PR ipa/80212
18183         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
18184         * ipa-split.c (split_function): Create a local comdat symbol
18185         if caller is in a comdat group.
18186
18187 2017-04-11  Martin Liska  <mliska@suse.cz>
18188
18189         PR ipa/80212
18190         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
18191         flags.
18192
18193 2017-04-11  Martin Sebor  <msebor@redhat.com>
18194
18195         PR middle-end/80364
18196         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
18197         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
18198         for INTEGER_TYPE.
18199         (directive::set_width, directive::set_precision, format_character):
18200         Adjust.
18201         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
18202         INTEGER_TYPE.
18203
18204 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
18205
18206         PR target/80389
18207         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
18208         conflict, set target->arch_name instead of target->cpu_name.
18209
18210 2017-04-11  Richard Biener  <rguenther@suse.de>
18211
18212         PR tree-optimization/80374
18213         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
18214         build_zero_cst, remove fold_convertible_p check again.
18215
18216 2017-04-11  Martin Liska  <mliska@suse.cz>
18217
18218         PR sanitizer/70878
18219         * ubsan.c (instrument_object_size): Do not instrument register
18220         variables.
18221
18222 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18223
18224         PR target/80381
18225         * config/i386/i386-builtin-types.def
18226         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
18227         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
18228         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
18229         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
18230         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
18231         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
18232         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
18233         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
18234         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
18235         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
18236         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
18237         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
18238         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
18239         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
18240         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
18241         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
18242         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
18243         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
18244         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
18245         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
18246         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
18247         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
18248         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
18249         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
18250         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
18251         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
18252         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
18253         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
18254         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
18255         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
18256         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
18257         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
18258         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
18259         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
18260         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
18261         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
18262         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
18263         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
18264         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
18265         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
18266         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
18267         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
18268         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
18269         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
18270         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
18271         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
18272         aliases.
18273         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
18274         flag to second_arg_count, handle 4 argument function type _COUNT
18275         aliases, handle second_arg_count on second argument rather than last.
18276
18277 2017-04-10  Jeff Law  <law@redhat.com>
18278
18279         PR tree-optimization/80374
18280         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
18281         record anything if we can not convert integer_zero_node to the
18282         desired type.
18283
18284 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18285
18286         PR target/80108
18287         * config/rs6000/rs6000.c (rs6000_option_override_internal):
18288         Enhance special handling given to the TARGET_P9_MINMAX option in
18289         relation to certain other options.
18290
18291 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
18292
18293         PR tree-optimization/80153
18294         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
18295         remove POINTER_PLUS_EXPR's base part directly, rather than through
18296         aff_tree.
18297
18298 2017-04-10  Richard Biener  <rguenther@suse.de>
18299             Bin Cheng  <bin.cheng@arm.com>
18300
18301         PR tree-optimization/80153
18302         * tree-affine.c (aff_combination_to_tree): Get base pointer from
18303         the first element of pointer type aff_tree.  Build result expr in
18304         aff_tree's type.
18305         (add_elt_to_tree): Convert to type unconditionally.  Remove other
18306         fold_convert calls.
18307         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
18308         (rewrite_use_nonlinear_expr): Check invariant using iv information.
18309
18310 2017-04-10  Richard Biener  <rguenther@suse.de>
18311
18312         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18313         asm inputs.
18314
18315 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
18316
18317         PR rtl-optimization/70478
18318         * lra-constraints.c (curr_small_class_check): New.
18319         (update_and_check_small_class_inputs): New.
18320         (process_alt_operands): Update curr_small_class_check.  Disfavor
18321         alternative insn memory operands.  Check available regs for small
18322         class operands.
18323
18324 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18325
18326         PR target/80057
18327         * config/mips/mips.opt (-mvirt): Update description.
18328         * doc/invoke.texi (-mvirt): Likewise.
18329
18330 2017-04-10  Richard Biener  <rguenther@suse.de>
18331
18332         PR middle-end/80362
18333         * fold-const.c (fold_binary_loc): Look at unstripped ops when
18334         looking for NEGATE_EXPR in -A / -B to A / B folding.
18335
18336 2017-04-10  Martin Liska  <mliska@suse.cz>
18337
18338         PR gcov-profile/80224
18339         * gcov.c (print_usage): Fix usage string.
18340         (get_gcov_intermediate_filename): Remove.
18341         (output_gcov_file): Use both for normal and intermediate format.
18342         (generate_results): Do not initialize special file for
18343         intermediate format.
18344
18345 2017-04-10  Richard Biener  <rguenther@suse.de>
18346
18347         PR tree-optimization/80304
18348         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
18349         for safelen.
18350
18351 2017-04-10  Nathan Sidwell  <nathan@acm.org>
18352
18353         PR target/79905
18354         * config/rs6000/rs6000.c (rs6000_vector_type): New.
18355         (rs6000_init_builtins): Use it.
18356
18357 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18358
18359         * config/arm/arm.md (<mrc>): Add mode to SET source.
18360         (<mrrc>): Likewise.
18361
18362 2017-04-10  Richard Biener  <rguenther@suse.de>
18363
18364         PR middle-end/80344
18365         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
18366
18367 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
18368
18369         PR target/80324
18370         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
18371         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
18372         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
18373         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
18374         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
18375         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
18376         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
18377         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
18378         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
18379         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
18380         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
18381         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
18382         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
18383         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
18384         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
18385         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
18386         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
18387         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
18388         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
18389         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
18390         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
18391         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
18392         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
18393
18394 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
18395
18396         PR rtl-optimization/70478
18397         * lra-constraints.c: Reverse the last patch.
18398
18399 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
18400
18401         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
18402         Add comment for WCHAR_T.
18403
18404 2017-04-08  Martin Liska  <mliska@suse.cz>
18405
18406         Revert:
18407         2017-04-07  Martin Liska  <mliska@suse.cz>
18408
18409         PR ipa/80212
18410         * ipa-split.c (split_function): Add function part to a same comdat
18411         group.
18412
18413 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18414
18415         PR target/80358
18416         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
18417
18418 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
18419
18420         * rs6000/rs6000.c (vec_load_pendulum): Rename...
18421         (vec_pairing): ...to this.
18422         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
18423         (rs6000_sched_init): Adjust for name change.
18424         (struct rs6000_sched_context): Likewise.
18425         (rs6000_init_sched_context): Likewise.
18426         (rs6000_set_sched_context): Likewise.
18427
18428 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
18429
18430         PR target/80322
18431         PR target/80323
18432         PR target/80325
18433         PR target/80326
18434         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
18435         intrinsics.
18436         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
18437         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
18438         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
18439
18440 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
18441
18442         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
18443
18444 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18445
18446         PR rtl-optimization/70703
18447         * ira-color.c (update_conflict_hard_regno_costs): Use
18448         int64_t instead of HOST_WIDE_INT.
18449
18450 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
18451
18452         PR rtl-optimization/70478
18453         * lra-constraints.c (process_alt_operands): Disfavor alternative
18454         insn memory operands.
18455
18456 2017-04-07  Jeff Law  <law@redhat.com>
18457
18458         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
18459         CALL and NOTE_INSN_CALL_ARG_LOCATION.
18460
18461 2017-04-07  Martin Liska  <mliska@suse.cz>
18462
18463         PR target/79889
18464         * config/aarch64/aarch64.c (aarch64_process_target_attr):
18465         Show error message instead of an ICE.
18466
18467 2017-04-07  Martin Liska  <mliska@suse.cz>
18468
18469         PR ipa/80212
18470         * ipa-split.c (split_function): Add function part to a same comdat
18471         group.
18472
18473 2017-04-07  Richard Biener  <rguenther@suse.de>
18474
18475         PR middle-end/80341
18476         * tree.c (get_unwidened): Also handle ! for_type case for
18477         INTEGER_CSTs.
18478         * convert.c (do_narrow): Split out from ...
18479         (convert_to_integer_1): ... here.  Do not pass final truncation
18480         type to get_unwidened for TRUNC_DIV_EXPR.
18481
18482 2017-04-07  Richard Biener  <rguenther@suse.de>
18483
18484         * tree-affine.c (wide_int_ext_for_comb): Take type rather
18485         than aff_tree.
18486         (aff_combination_const): Adjust.
18487         (aff_combination_scale): Likewise.
18488         (aff_combination_add_elt): Likewise.
18489         (aff_combination_add_cst): Likewise.
18490         (aff_combination_convert): Likewise.
18491         (add_elt_to_tree): Likewise.  Remove unused argument.
18492         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
18493
18494 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18495
18496         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
18497         definition.
18498         * config/arm/arm.c (arm_default_short_enums): Use
18499         ARM_DEFAULT_SHORT_ENUMS.
18500         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
18501
18502 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
18503
18504         PR debug/80234
18505         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
18506         members with redundant out-of-class redeclaration.
18507
18508 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18509
18510         PR target/80286
18511         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
18512         * config/i386/i386.md (*zero_extendsidi2):
18513         Add (?*x,*x) and (?*v,*v) alternatives.
18514
18515 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
18516
18517         PR target/79733
18518         * config/i386/i386.c (ix86_expand_builtin)
18519         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
18520         mode from insn data. Convert operands to insn operand mode.
18521         Copy operands that don't satisfy insn predicate to a register.
18522
18523 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
18524
18525         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
18526         Update comments.
18527
18528 2017-04-06  Richard Biener  <rguenther@suse.de>
18529
18530         PR tree-optimization/80334
18531         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
18532         preserve alignment of accesses.
18533
18534 2017-04-06  Richard Biener  <rguenther@suse.de>
18535
18536         PR tree-optimization/80262
18537         * tree-sra.c (build_ref_for_offset): Preserve address-space
18538         information.
18539         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
18540         Drop useless address-space information on MEM_REF offsets.
18541
18542 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
18543
18544         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
18545
18546 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18547
18548         PR rtl-optimization/70703
18549         * ira-color.c (update_conflict_hard_regno_costs): Use
18550         HOST_WIDE_INT instead of long.
18551
18552 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
18553
18554         PR target/80298
18555         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
18556         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
18557         is not defined.
18558         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
18559         for x86_64 target.  Handle -m3dnowa option.
18560
18561 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18562
18563         PR rtl-optimization/70703
18564         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
18565         (update_conflict_hard_regno_costs): Use long instead of unsigned
18566         arithmetic for cost calculation.
18567
18568 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18569             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18570
18571         PR sanitizer/80308
18572         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
18573         for big endian.
18574
18575 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
18576
18577         PR target/78002
18578         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
18579         ptr_mode with Pmode throughout.
18580         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
18581         into probe_stack_range and use DImode.
18582
18583 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18584
18585         PR target/79890
18586         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
18587         call_eh_return is true.
18588
18589 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18590
18591         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
18592         Initialize last_match_fntype_index.
18593
18594 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18595
18596         PR target/80310
18597         * tree-nvr.c: Include internal-fn.h.
18598         (pass_return_slot::execute): Ignore internal calls without
18599         direct optab.
18600
18601 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18602             Richard Biener  <rguenther@suse.de>
18603
18604         PR c++/80297
18605         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
18606         captures used multiple times, except for the last use.
18607         * generic-match-head.c: Include gimplify.h.
18608
18609 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18610
18611         PR tree-optimization/79390
18612         * target.h (struct noce_if_info): Declare.
18613         * targhooks.h (default_noce_conversion_profitable_p): Declare.
18614         * target.def (noce_conversion_profitable_p): New target hook.
18615         * ifcvt.h (struct noce_if_info): New type, moved from ...
18616         * ifcvt.c (struct noce_if_info): ... here.
18617         (noce_conversion_profitable_p): Renamed to ...
18618         (default_noce_conversion_profitable_p): ... this.  No longer
18619         static nor inline.
18620         (noce_try_store_flag_constants, noce_try_addcc,
18621         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
18622         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
18623         instead of noce_conversion_profitable_p.
18624         * config/i386/i386.c: Include ifcvt.h.
18625         (ix86_option_override_internal): Don't override
18626         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
18627         (ix86_noce_conversion_profitable_p): New function.
18628         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
18629         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
18630         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
18631         * doc/tm.texi: Regenerated.
18632
18633 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18634
18635         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
18636         correction.
18637
18638 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18639
18640         PR target/80307
18641         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
18642         instructions for small multiply cores.
18643
18644 2017-04-04  Jeff Law  <law@redhat.com>
18645
18646         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
18647         added member.
18648         (mips_expand_vec_perm_const): Initialize elements in orig_perm
18649         that are not set by the loop over the elements.
18650
18651 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18652
18653         PR target/80286
18654         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
18655         int mode, convert_modes it to mode as unsigned, otherwise use
18656         lowpart_subreg to mode rather than SImode.
18657         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
18658         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
18659         Use DImode instead of SImode for the shift count operand.
18660         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
18661         Likewise.
18662
18663 2017-04-04  Richard Biener  <rguenther@suse.de>
18664
18665         PR middle-end/80281
18666         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
18667         arithmetic done for the negate or the plus.  Simplify.
18668         (A - (-B) -> A + B): Likewise.
18669         * fold-const.c (split_tree): Make sure to not negate pointers.
18670
18671 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
18672
18673         PR rtl-optimization/60818
18674         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
18675         a compare of comparisons with the thing compared if this results
18676         in a different machine mode.
18677
18678 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
18679
18680         * alias.c (base_alias_check): Fix typo in comment.
18681         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
18682         * cgraphunit.c (symbol_table::compile): Likewise.
18683         * collect2.c (maybe_run_lto_and_relink): Likewise.
18684         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
18685         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
18686         * config/avr/avr.c (avr_map_op_t): Likewise.
18687         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
18688         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
18689         * config/epiphany/epiphany.md (movcc): Likewise.
18690         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
18691         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
18692         Likewise.
18693         * config/mips/mips.c (mips_save_restore_reg): Likewise.
18694         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
18695         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
18696         * config/sh/sh.c (sh_rtx_costs): Likewise.
18697         * fold-const.c (fold_truth_andor): Likewise.
18698         * genautomata.c (collapse_flag): Likewise.
18699         * gengtype.h (struct type::u::s): Likewise.
18700         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
18701         * input.c (FORMAT_AMOUNT): Likewise.
18702         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
18703         (known_aggs_to_agg_replacement_list): Likewise.
18704         * ipa-inline-analysis.c: Likewise.
18705         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
18706         * ipa-polymorphic-call.c
18707         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
18708         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
18709         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
18710         Likewise.
18711         * modulo-sched.c (apply_reg_moves): Likewise.
18712         * omp-expand.c (build_omp_regions_1): Likewise.
18713         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
18714         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
18715         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
18716         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
18717         * value-prof.c: Likewise.
18718         * var-tracking.c (val_reset): Likewise.
18719
18720 2017-04-03  Richard Biener  <rguenther@suse.de>
18721
18722         PR tree-optimization/80275
18723         * fold-const.c (split_address_to_core_and_offset): Handle
18724         POINTER_PLUS_EXPR.
18725
18726 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
18727
18728         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
18729         descriptors is at least equal to that of functions.
18730
18731 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
18732
18733         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
18734
18735 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
18736
18737         PR target/80250
18738         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
18739         (mov<IMOD4:mode>): New expander.
18740         (*mov<IMOD4:mode>_internal): New insn and split pattern.
18741
18742 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
18743
18744         PR rtl-optimization/79405
18745         * fwprop.c (propagations_left): New variable.
18746         (forward_propagate_into): Decrement it.
18747         (fwprop_init): Initialize it.
18748         (fw_prop): If the variable has reached zero, stop propagating.
18749         (fwprop_addr): Ditto.
18750
18751 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
18752
18753         PR debug/79255
18754         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
18755         a FUNCTION_DECL, pass it as decl instead of origin to
18756         process_scope_var.
18757
18758 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
18759
18760         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
18761         string.
18762
18763 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
18764
18765         PR target/80107
18766         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
18767         TARGET_VSX_SMALL_INTEGER.
18768
18769 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18770
18771         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
18772         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
18773
18774 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18775
18776         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
18777         extraction from odd-numbered MSA register.
18778
18779 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
18780
18781         PR middle-end/80173
18782         * expmed.c (store_bit_field_1): Don't attempt to create
18783         a word subreg out of hard registers wider than word if they
18784         have HARD_REGNO_NREGS of 1 for their mode.
18785
18786         PR middle-end/80163
18787         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
18788         conversions to integer types wider than word and pointer.
18789
18790         PR debug/80025
18791         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
18792         (rtx_equal_for_cselib_p): Pass 0 to it.
18793         * cselib.c (cselib_hasher::equal): Likewise.
18794         (rtx_equal_for_cselib_1): Add depth argument.  If depth
18795         is 128, don't look up VALUE locs and punt.  Increment
18796         depth in recursive calls when walking VALUE locs.
18797
18798 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18799
18800         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
18801         (make_gcov_file_name): Use the canonical path name for generating
18802         the MD5 value.
18803         (read_line): Fix handling of files with ascii null bytes.
18804
18805 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
18806
18807         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
18808         to initialise a vector register instead
18809         of using a const_int.
18810
18811 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
18812
18813         PR translation/80189
18814         * gimplify.c (omp_default_clause): Use %qs instead of %s in
18815         diagnostic messages.
18816
18817 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
18818
18819         PR target/80246
18820         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
18821         (dfp_diex_<mode>): Update mode of operand 1.
18822         * doc/extend.texi (dxex, dxexq): Document change to return type.
18823         (diex, diexq): Document change to argument type.
18824
18825 2017-03-30  Martin Jambor  <mjambor@suse.cz>
18826
18827         PR ipa/77333
18828         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
18829         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
18830         it reflects the signature changes performed at the callee side.
18831         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
18832         to cgraph_build_function_type_skip_args.
18833         (build_function_decl_skip_args): Adjust call to the above function.
18834
18835 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
18836
18837         PR target/80206
18838         * config/i386/sse.md
18839         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
18840         register as dest whenever it is a MEM not rtx_equal_p to the
18841         corresponding dup operand, and when forcing into reg move the
18842         reg into the memory afterwards.
18843         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
18844         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
18845         for the force_reg mode.
18846         (avx512vl_vextractf128<mode>): Use register as dest either
18847         always when a MEM, or when it is a MEM not rtx_equal_p to the
18848         corresponding dup operand, or even not when it is a CONST_VECTOR
18849         depending on the mode and lo vs. hi.
18850         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
18851         parens.
18852         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
18853         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
18854         Likewise.  Require that operands[2] is even.
18855         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
18856         Remove extraneous parens.  Require that operands[2] is a multiple
18857         of 4.
18858         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
18859         operands[0] is a MEM if <mask_applied>, the predicates/constraints
18860         disallow memory then.
18861
18862 2017-03-30  Richard Biener  <rguenther@suse.de>
18863
18864         PR tree-optimization/77498
18865         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
18866         to non-constants over backedges.
18867
18868 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
18869
18870         PR rtl-optimization/80233
18871         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
18872         as last_combined_insn.  Do not test for BARRIER_P separately.
18873
18874 2017-03-29  Andreas Schwab  <schwab@suse.de>
18875
18876         PR ada/80146
18877         * calls.c (prepare_call_address): Convert funexp to Pmode before
18878         copying to temp reg.
18879
18880 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18881
18882         PR tree-optimization/80158
18883         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
18884         Handle possible future case of more than one alternate
18885         interpretation.
18886         (replace_rhs_if_not_dup): Likewise.
18887         (replace_one_candidate): Likewise.
18888
18889 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
18890
18891         PR rtl-optimization/80193
18892         * ira.c (ira): Do not check allocation for LRA.
18893
18894 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
18895
18896         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
18897         (nvptx_output_simt_exit): Declare.
18898         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
18899         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
18900         (init_softstack_frame): Move initialization of crtl->is_leaf to...
18901         (nvptx_declare_function_name): ...here.  Emit declaration of local
18902         memory space buffer for omp_simt_enter insn.
18903         (nvptx_output_unisimt_switch): New.
18904         (nvptx_output_softstack_switch): New.
18905         (nvptx_output_simt_enter): New.
18906         (nvptx_output_simt_exit): New.
18907         * config/nvptx/nvptx.h (struct machine_function): New fields
18908         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
18909         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
18910         (UNSPECV_SIMT_EXIT): Ditto.
18911         (omp_simt_enter_insn): New insn.
18912         (omp_simt_enter): New expansion.
18913         (omp_simt_exit): New insn.
18914         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
18915
18916         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
18917         (expand_GOMP_SIMT_ENTER_ALLOC): New.
18918         (expand_GOMP_SIMT_EXIT): New.
18919         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
18920         (GOMP_SIMT_ENTER_ALLOC): Ditto.
18921         (GOMP_SIMT_EXIT): Ditto.
18922         * target-insns.def (omp_simt_enter): New insn.
18923         (omp_simt_exit): Ditto.
18924         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
18925         simt_dlist.
18926         (lower_rec_simd_input_clauses): Implement SIMT privatization.
18927         (lower_rec_input_clauses): Likewise.
18928         (lower_lastprivate_clauses): Handle SIMT privatization.
18929
18930         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
18931         (ompdevlow_adjust_simt_enter): New.
18932         (find_simtpriv_var_op): New.
18933         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
18934         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
18935
18936         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
18937         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
18938         (copy_decl_for_dup_finish): Ditto.
18939
18940         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
18941
18942 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
18943
18944         PR target/53383
18945         * config/i386/i386.c (ix86_option_override_internal): Always
18946         allow -mpreferred-stack-boundary=3 for 64-bit targets.
18947
18948 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
18949
18950         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
18951
18952 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
18953
18954         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
18955         mark new edge's irreducible flag accordign to it.
18956         (vect_do_peeling): Check loop preheader edge's irreducible flag
18957         and pass it to function slpeel_add_loop_guard.
18958
18959 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
18960
18961         PR tree-optimization/80218
18962         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
18963         Update block frequencies and counts.
18964
18965 2017-03-28  Richard Biener  <rguenther@suse.de>
18966
18967         PR tree-optimization/78644
18968         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
18969         of a simplification result we may not use it at all.
18970
18971 2017-03-28  Richard Biener  <rguenther@suse.de>
18972
18973         PR ipa/80205
18974         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
18975         without arguments, generate default definition of a SSA name.
18976
18977 2017-03-28  Richard Biener  <rguenther@suse.de>
18978
18979         PR middle-end/80222
18980         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
18981         TYPE_REF_CAN_ALIAS_ALL references.
18982         * fold-const.c (fold_indirect_ref_1): Likewise.
18983
18984 2017-03-28  Martin Liska  <mliska@suse.cz>
18985
18986         PR ipa/80104
18987         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
18988         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
18989
18990 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
18991             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
18992
18993         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
18994         (EXTRA_SPECS): Define.
18995         (SUBTARGET_EXTRA_SPECS): Likewise.
18996         (SUBTARGET_CPP_SPEC): Likewise.
18997         * config/arc/elf.h (EXTRA_SPECS): Renamed to
18998         SUBTARGET_EXTRA_SPECS.
18999         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
19000
19001 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19002
19003         * config/arc/simdext.md (vst64_insn): Update pattern.
19004         (vld32wh_insn): Likewise.
19005         (vld32wl_insn): Likewise.
19006         (vld64_insn): Likewise.
19007         (vld32_insn): Likewise.
19008
19009 2017-03-28  Marek Polacek  <polacek@redhat.com>
19010
19011         PR sanitizer/80067
19012         * fold-const.c (fold_comparison): Use protected_set_expr_location
19013         instead of SET_EXPR_LOCATION.
19014
19015 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
19016
19017         * tree.c (add_expr): Avoid name lookup warning.
19018
19019 2017-03-27  Jeff Law  <law@redhat.com>
19020
19021         PR tree-optimization/80216
19022         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
19023         function name.  Limit recursion depth.
19024         (record_temporary_equivalences): Corresponding changes.
19025
19026 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
19027
19028         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
19029         covered first.
19030
19031 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19032
19033         PR target/80102
19034         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
19035         notes.
19036         * cfgcleanup.c (reg_note_cfa_p): New array.
19037         (insns_have_identical_cfa_notes): New function.
19038         (old_insns_match_p): Don't cross-jump in between /f
19039         and non-/f instructions.  If both i1 and i2 are frame related,
19040         verify all CFA notes, their order and content.
19041
19042 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
19043
19044         PR target/78543
19045         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
19046         HImode and SImode with zero extend to DImode to one insn.
19047         (bswap<mode>2_extenddi): Likewise.
19048         (bswapsi2_extenddi): Likewise.
19049         (bswaphi2_extendsi): Likewise.
19050         (bswaphi2): Combine bswap HImode and SImode into one insn.
19051         Separate memory insns from swapping register.
19052         (bswapsi2): Likewise.
19053         (bswap<mode>2): Likewise.
19054         (bswaphi2_internal): Delete, no longer used.
19055         (bswapsi2_internal): Likewise.
19056         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
19057         store, and gpr<-gpr swap insns.
19058         (bswap<mode>2_store): Likewise.
19059         (bswaphi2_reg): Register only splitter, combine with the splitter.
19060         (bswaphi2 splitter): Likewise.
19061         (bswapsi2_reg): Likewise.
19062         (bswapsi2 splitter): Likewise.
19063         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
19064         the insns into load, store, and register/register insns.
19065         (bswapdi2_ldbrx): Likewise.
19066         (bswapdi2_load): Likewise.
19067         (bswapdi2_store): Likewise.
19068         (bswapdi2_reg): Likewise.
19069
19070 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
19071
19072         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
19073         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
19074
19075 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19076
19077         PR target/80103
19078         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
19079         add comments.
19080         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19081         special handling for target option conflicts between dform
19082         options (-mpower9-dform, -mpower9-dform-vector,
19083         -mpower9-dform-scalar) and -mno-direct-move.
19084
19085 2017-03-27  Richard Biener  <rguenther@suse.de>
19086
19087         PR tree-optimization/80181
19088         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
19089
19090 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19091
19092         * config/arc/predicates.md (move_double_src_operand): Replace the
19093         call to move_double_src_operand with a call to address_operand.
19094
19095 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19096
19097         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
19098         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
19099         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
19100
19101 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19102
19103         * config/arc/predicates.md (long_immediate_loadstore_operand):
19104         Consider scaled addresses cases.
19105
19106 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19107
19108         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
19109         restored when in interrupt.
19110         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
19111         doesn't have delay slot.
19112
19113 2017-03-27  Richard Biener  <rguenther@suse.de>
19114
19115         PR ipa/79776
19116         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
19117         inlined thunk clones.
19118
19119 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19120
19121         PR sanitizer/80168
19122         * asan.c (instrument_derefs): Copy over last operand from
19123         original COMPONENT_REF to the new COMPONENT_REF with
19124         DECL_BIT_FIELD_REPRESENTATIVE.
19125         * ubsan.c (instrument_object_size): Likewise.
19126
19127 2017-03-27  Richard Biener  <rguenther@suse.de>
19128
19129         PR tree-optimization/80170
19130         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
19131         sure DR/SCEV didnt fold in constants we do not see when looking
19132         at the reference base alignment.
19133
19134 2017-03-27  Richard Biener  <rguenther@suse.de>
19135
19136         PR middle-end/80171
19137         * gimple-fold.c (fold_ctor_reference): Properly guard against
19138         NULL return value from canonicalize_constructor_val.
19139
19140 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
19141
19142         PR target/80180
19143         * config/i386/i386.c (ix86_expand_builtin)
19144         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
19145         flags reg setting and flags reg using instructions.
19146         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
19147         clobbering instructions to zero extend op2.
19148
19149 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
19150
19151         * doc/install.texi (Configuration) <--with-aix-soname>:
19152         Update link to AIX ld.
19153
19154 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
19155
19156         PR rtl-optimization/80160
19157         PR rtl-optimization/80159
19158         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
19159         reg_alternate_class into account.
19160
19161 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
19162
19163         PR target/80148
19164         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
19165         to consider in curr_insn_transform.
19166
19167 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19168
19169         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
19170         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
19171         and emit_mode_inner.
19172
19173 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19174
19175         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
19176         argument to the overloaded builtin variants.  Use the new flag to
19177         deprecate certain builtin variants.
19178         * config/s390/s390-builtin-types.def: Add new builtin types.
19179         * config/s390/s390-builtins.h: Support new flags field for
19180         overloaded builtins.
19181         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
19182         (s390_macro_to_expand): Enable vector float data type.
19183         (s390_cpu_cpp_builtins_internal): Indicate support of the new
19184         builtins by incrementing the __VEC__ version number.
19185         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
19186         vec_xst.
19187         (s390_resolve_overloaded_builtin): Emit error messages depending
19188         on the builtin flags.
19189         * config/s390/s390.c (s390_expand_builtin): Support additional
19190         flags argument.  Change error message to match the messages
19191         emitted in s390-c.c.
19192         * config/s390/s390.md: New UNSPEC_* constants.
19193         (op_type): Add new instruction types.
19194         * config/s390/vecintrin.h: Add new builtins and test data class
19195         constants.
19196         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
19197         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
19198         (VEC_INEXACT, VEC_NOINEXACT): New constants.
19199         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
19200         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
19201         ("vec_mergel<mode>"): V_HW -> VEC_HW.
19202
19203         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
19204         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
19205         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
19206         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
19207
19208         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
19209         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
19210         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
19211         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
19212
19213         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
19214         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
19215         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
19216         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
19217         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
19218         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
19219         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
19220
19221         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
19222         ("vec_scatter_element<V_HW_4:mode>_DI")
19223         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
19224         ("vec_fpint<mode>", "vflls")
19225         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
19226         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
19227         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
19228         ("*vec_cmphe<mode>_cc"): ... these.
19229
19230         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
19231         mode constant instead of magic value.
19232
19233 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19234
19235         * config/s390/s390.c (s390_expand_vec_compare): Support other
19236         vector floating point modes than just V2DF.
19237         (s390_expand_vcond): Likewise.
19238         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
19239         (s390_cannot_change_mode_class): Prevent mode changes between TF
19240         and V1TF in vector registers.
19241         * config/s390/s390.md (DF, SF): New mode attributes.
19242         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
19243         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
19244         SFmode support for VRs.
19245         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
19246         vector fp modes.
19247         (VFT, VF_HW): New mode iterators.
19248         (vw, sdx): New mode attributes.
19249         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
19250         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
19251         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
19252         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
19253         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
19254         also the new vector floating point modes.  Renaming to ...
19255
19256         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
19257         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
19258         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
19259         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
19260         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
19261         ("vec_unordered<mode>"): ... these.
19262
19263         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
19264         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
19265         ("*vec_extendv2df"): New insn definitions.
19266
19267 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19268
19269         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
19270         ("mulditi3_2", "*muldi3_sign"): New patterns.
19271         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
19272         rename the pattern definition.
19273
19274 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19275
19276         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
19277         expander.
19278         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
19279
19280 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19281
19282         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
19283         instruction if possible.
19284         * config/s390/vector.md (vec_halfnumelts): New mode
19285         attribute.
19286         ("*vec_vllezlf<mode>"): New pattern.
19287
19288 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19289
19290         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
19291         ("popcountv4si2", "popcountv2di2"): Rename to ...
19292         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
19293         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
19294         condition.
19295         ("popcount<mode>2_vxe"): New pattern.
19296
19297 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19298
19299         * common/config/s390/s390-common.c (processor_flags_table): Add
19300         arch12.
19301         * config.gcc: Add arch12.
19302         * config/s390/driver-native.c (s390_host_detect_local_cpu):
19303         Default to arch12 for unknown CPU model numbers.
19304         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
19305         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
19306         PROCESSOR_max sanity check.
19307         * config/s390/s390-opts.h (enum processor_type): Add
19308         PROCESSOR_ARCH12.
19309         * config/s390/s390.c (processor_table): Add arch12.
19310         (s390_expand_builtin): Add check for B_VXE flag.
19311         (s390_issue_rate): Add PROCESSOR_ARCH12.
19312         (s390_get_sched_attrmask): Likewise.
19313         (s390_get_unit_mask): Likewise.
19314         (s390_sched_score): Enable z13 scheduling for arch12.
19315         (s390_sched_reorder): Likewise.
19316         (s390_sched_variable_issue): Likewise.
19317         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
19318         PF_VXE.
19319         (s390_tune_attr): Use z13 scheduling also for arch12.
19320         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
19321         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
19322         (TARGET_VXE_P): New macros.
19323         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
19324         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
19325         * config/s390/s390.opt: Add arch12 as processor_type.
19326
19327 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19328
19329         * config/s390/s390.md
19330         ("fixuns_truncdddi2", "fixuns_trunctddi2")
19331         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
19332         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
19333
19334         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
19335         Rename expanders to ...
19336
19337         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
19338         ("fixuns_truncdddi2_emu"): ... these.
19339
19340         ("fixuns_trunc<mode>si2_emu"): New expander.
19341
19342         ("*fixuns_truncdfdi2_z13"): Rename to ...
19343         ("*fixuns_truncdfdi2_vx"): ... this.
19344
19345 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19346
19347         * config/s390/2964.md: Remove the single element vector compare
19348         instructions which are no longer used.
19349         * config/s390/s390.c (s390_select_ccmode): Remove handling of
19350         vector CCmodes.
19351         (s390_canonicalize_comparison): Remove handling of DFmode
19352         compares.
19353         (s390_expand_vec_compare_scalar): Remove function.
19354         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
19355         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
19356         pattern.
19357         ("*cmp<mode>_ccs"): Add wfcdb instruction.
19358
19359 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19360
19361         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
19362         FP zero.
19363         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
19364         will anyway by matched by mov<mode>_64dfp.
19365
19366 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19367
19368         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
19369         vlef/vstef.  Add missing operand to vleif.
19370
19371 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19372
19373         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
19374         pair for all vector types with 64 bit elements.
19375         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
19376         * config/s390/vector.md (V_HW_64): ... here.
19377         (V_128_NOSINGLE): New mode iterator.
19378         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
19379         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
19380         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
19381         ("*vec_load_pairv2di"): Change to ...
19382         ("*vec_load_pair<mode>"): ... this one.
19383
19384 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19385
19386         * config/s390/constraints.md: Add comments.
19387         (jKK): Reject element sizes > 8 bytes.
19388         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
19389         s_operands.
19390         * config/s390/s390.md: Add the s_operand checks formerly in
19391         s390_split_ok_p to various splitters where they are still
19392         required.
19393         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
19394         for 128 bit vectors.  Plus two splitters.
19395
19396 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19397
19398         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
19399         the file.
19400
19401 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19402
19403         PR target/79893
19404         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
19405         error if the boundary argument is not constant.
19406
19407 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19408
19409         PR rtl-optimization/80112
19410         * loop-doloop.c (doloop_condition_get): Don't check condition
19411         if cmp isn't SET with IF_THEN_ELSE src.
19412
19413 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19414
19415         PR tree-optimization/80158
19416         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
19417         replacing a candidate statement, also replace it for the
19418         candidate's alternate interpretation.
19419         (replace_rhs_if_not_dup): Likewise.
19420         (replace_one_candidate): Likewise.
19421
19422 2017-03-24  Richard Biener  <rguenther@suse.de>
19423
19424         PR tree-optimization/80167
19425         * graphite-isl-ast-to-gimple.c
19426         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
19427         properly.
19428         (translate_isl_ast_to_gimple::get_rename): Likewise.
19429
19430 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19431
19432         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
19433         handling of certain combinations of target options, including the
19434         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
19435         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
19436
19437 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19438
19439         PR target/71436
19440         * config/arm/arm.md (*load_multiple): Add reload_completed to
19441         matching condition.
19442
19443 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19444             Richard Biener  <rguenth@suse.de>
19445
19446         PR tree-optimization/79908
19447         PR tree-optimization/80136
19448         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19449         been cast away, gimplify_and_add suffices.
19450
19451 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
19452
19453         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
19454
19455 2017-03-23  Richard Biener  <rguenther@suse.de>
19456
19457         PR tree-optimization/80032
19458         * gimplify.c (gimple_push_cleanup): Forced unconditional
19459         cleanups still have to go to the conditional_cleanups
19460         sequence.
19461
19462 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
19463
19464         PR tree-optimization/80072
19465         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
19466         to unsigned int.
19467         (next_operand_entry_id): Change type to unsigned int.
19468         (sort_by_operand_rank): Make sure to return the right return value
19469         even if unsigned fields are bigger than INT_MAX.
19470         (struct oecount): Change cnt and id type to unsigned int.
19471         (oecount_hasher::equal): Formatting fix.
19472         (oecount_cmp): Make sure to return the right return value
19473         even if unsigned fields are bigger than INT_MAX.
19474         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
19475
19476         PR c++/80129
19477         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
19478         TREE_READONLY on result if writing it more than once.
19479
19480         PR sanitizer/80110
19481         * doc/invoke.texi (-fsanitize=thread): Document that with
19482         -fnon-call-exceptions atomics are not able to throw
19483         exceptions.
19484
19485         PR sanitizer/80110
19486         * tsan.c: Include tree-eh.h.
19487         (instrument_builtin_call): Call maybe_clean_eh_stmt or
19488         maybe_clean_or_replace_eh_stmt where needed.
19489         (instrument_memory_accesses): Add cfg_changed argument.
19490         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
19491         if it returned true.
19492         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
19493
19494         PR rtl-optimization/63191
19495         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
19496         wrapper function, moved the whole old content into ...
19497         (ix86_delegitimize_address_1): ... this.  New inline function.
19498         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
19499         true as last argument instead of ix86_delegitimize_address.
19500
19501 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19502
19503         * config/aarch64/aarch64.c (generic_branch_cost): Copy
19504         cortexa57_branch_cost.
19505
19506 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
19507
19508         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
19509
19510 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19511
19512         PR target/80123
19513         * doc/md.texi (Constraints): Document wA constraint.
19514         * config/rs6000/constraints.md (wA): New.
19515         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
19516         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
19517         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
19518         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
19519
19520 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
19521
19522         PR c++/80029
19523         * gimplify.c (is_oacc_declared): New function.
19524         (oacc_default_clause): Use it to set default flags for acc declared
19525         variables inside parallel regions.
19526         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
19527         declared variables.
19528         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
19529         declare attribute to any decl as necessary.
19530
19531 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19532
19533         PR target/80082
19534         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
19535         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
19536         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
19537         (arm_arch_lpae): This.
19538         * config/arm/arm.c (arm_arch7ve): Rename into ...
19539         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
19540         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
19541         arm_arch_lpae.
19542
19543 2017-03-22  Martin Liska  <mliska@suse.cz>
19544
19545         PR target/79906
19546         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
19547         error message instead of an ICE.
19548
19549 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19550
19551         * doc/extend.texi (6.11 Additional Floating Types): Revise.
19552
19553 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19554
19555         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
19556         comments.
19557         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19558         comments.
19559
19560 2017-03-21  Martin Sebor  <msebor@redhat.com>
19561
19562         * doc/extend.texi: Use "cannot" instead of "can't."
19563         * doc/hostconfig.texi: Same.
19564         * doc/install.texi: Same.
19565         * doc/invoke.texi: Same.
19566         * doc/loop.texi: Same.
19567         * doc/md.texi: Same.
19568         * doc/objc.texi: Same.
19569         * doc/rtl.texi: Same.
19570         * doc/tm.texi: Same.
19571         * doc/tm.texi.in: Same.
19572         * doc/trouble.texi: Same.
19573
19574 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
19575
19576         PR debug/63238
19577         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
19578         (collect_checksum_attributes): Set it.
19579         (die_checksum_ordered): Use it.
19580
19581 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19582
19583         PR tree-optimization/79908
19584         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
19585         change: For a VA_ARG whose LHS has been cast away, use
19586         force_gimple_operand to construct the side effects.
19587
19588 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
19589
19590         PR translation/80001
19591         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
19592         more amenable to translation.
19593         (oacc_loop_auto_partitions): Likewise.
19594
19595 2017-03-21  Marek Polacek  <polacek@redhat.com>
19596             Martin Sebor  <msebor@redhat.com>
19597
19598         PR tree-optimization/80109
19599         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
19600         on INTEGRAL_TYPE_P.
19601
19602 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19603             Segher Boessenkool  <segher@kernel.crashing.org>
19604
19605         PR target/80125
19606         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
19607         check reg_used_between_p between insn and one of succ or succ2
19608         depending on if succ is artificial insn not inserted into insn
19609         stream.
19610
19611 2017-03-21  Martin Liska  <mliska@suse.cz>
19612
19613         PR gcov-profile/80081
19614         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
19615         * doc/gcc.texi: Include gcov-dump stuff.
19616         * doc/gcov-dump.texi: New file.
19617
19618 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
19619
19620         PR rtl-optimization/79150
19621         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
19622         conditional jump, if the jump is the last insn of the loop.
19623
19624 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19625             Richard Biener  <rguenth@suse.de>
19626
19627         PR tree-optimization/79908
19628         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19629         been cast away, use force_gimple_operand to construct the side
19630         effects.
19631
19632 2017-03-21  Martin Liska  <mliska@suse.cz>
19633
19634         PR libfortran/79956
19635         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
19636         to NULL.
19637
19638 2017-03-21  Brad Spengler <spender@grsecurity.net>
19639
19640         PR plugins/80094
19641         * plugin.c (htab_hash_plugin): New function.
19642         (add_new_plugin): Use it and adjust.
19643         (parse_plugin_arg_opt): Adjust.
19644         (init_one_plugin): Likewise.
19645
19646 2017-03-21  Richard Biener  <rguenther@suse.de>
19647
19648         PR tree-optimization/80032
19649         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
19650         if set force the cleanup to happen unconditionally.
19651         (gimplify_target_expr): Push inserted clobbers with force_uncond
19652         to avoid them being removed by control-dependent DCE.
19653
19654 2017-03-21  Richard Biener  <rguenther@suse.de>
19655
19656         PR tree-optimization/80122
19657         * tree-inline.c (copy_bb): Do not expans va-arg packs or
19658         va_arg_pack_len when the inlined call stmt requires pack
19659         expansion itself.
19660         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
19661
19662 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19663
19664         PR sanitizer/78158
19665         * tsan.c (instrument_builtin_call): If the memory model argument
19666         is not a constant, assume it is valid.
19667
19668         PR c/67338
19669         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
19670         avoid UB.
19671
19672 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19673
19674         PR rtl-optimization/79910
19675         * combine.c (can_combine_p): Do not allow combining an I0 or I1
19676         if its dest is used by an insn before I2 (other than the combined
19677         insns themselves, which are properly handled already).
19678
19679 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19680
19681         Revert:
19682         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
19683
19684         * combine.c (record_used_regs): New static function.
19685         (try_combine): Handle situations where there is an additional
19686         instruction between I2 and I3 which needs to have a LOG_LINK
19687         updated.
19688
19689         Revert:
19690         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
19691
19692         * combine.c (try_combine): Delete redundant i1 test.  Call
19693         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
19694
19695 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19696
19697         PR target/80083
19698         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
19699         alternatives 13/14.
19700
19701 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19702
19703         PR tree-optimization/80054
19704         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
19705         the optimization if a PHI or any of its arguments is not dominated
19706         by the candidate's basis.  Use gphi* rather than gimple* as
19707         appropriate.
19708         (replace_profitable_candidates): Clean up a gimple* variable that
19709         should be a gphi* variable.
19710
19711 2017-03-20  Martin Sebor  <msebor@redhat.com>
19712
19713         PR c++/52477
19714         * doc/extend.texi (attribute constructor): Document present limitation.
19715
19716 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19717
19718         PR target/79963
19719         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
19720         __POWER9_VECTOR__ #ifdef control, change template definition to
19721         use Power9-specific built-in function.
19722         (vec_any_eq): Likewise.
19723         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
19724         to control outcomes from this test.
19725         (vector_ae_<mode>p): For VEC_F modes, likewise.
19726
19727 2017-03-20  Ian Lance Taylor  <iant@google.com>
19728
19729         * config/i386/i386.c (ix86_function_regparm): Save an extra
19730         register for -fsplit-stack with DECL_STATIC_CHAIN.
19731
19732 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
19733
19734         PR target/79912
19735         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
19736         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
19737
19738 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
19739
19740         * config/riscv/riscv.c (riscv_print_operand): Use "fence
19741         iorw,ow".
19742         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
19743         iorw,iorw".
19744
19745 2017-03-20  Marek Polacek  <polacek@redhat.com>
19746
19747         PR sanitizer/80063
19748         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
19749
19750 2017-03-20  Richard Biener  <rguenther@suse.de>
19751
19752         PR tree-optimization/80113
19753         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
19754         allocate extra SSA name for PHI def.
19755         (add_close_phis_to_outer_loops): Likewise.
19756         (add_close_phis_to_merge_points): Likewise.
19757         (copy_loop_close_phi_args): Likewise.
19758         (copy_cond_phi_nodes): Likewise.
19759
19760 2017-03-20  Martin Liska  <mliska@suse.cz>
19761
19762         PR middle-end/79753
19763         * tree-chkp.c (chkp_build_returned_bound): Do not build
19764         returned bounds for a LHS that's not a BOUNDED_P type.
19765
19766 2017-03-20  Martin Liska  <mliska@suse.cz>
19767
19768         PR target/79769
19769         PR target/79770
19770         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
19771         COMPLEX_CST and VECTOR_CST.
19772
19773 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19774
19775         PR target/78857
19776         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
19777         target operand.  A new splitter adds the clobber statement in case
19778         the target operand is dead anyway.
19779
19780 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
19781
19782         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
19783         to age-old versions of binutils and glibc.
19784
19785 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
19786
19787         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
19788
19789 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
19790
19791         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
19792
19793 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
19794
19795         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
19796         requirement for binutils 2.13.
19797
19798 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
19799
19800         * combine.c (try_combine): Delete redundant i1 test.  Call
19801         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
19802
19803 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
19804
19805         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
19806         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
19807         contents.
19808         <riscv64-*-elf>: Re-arrange section
19809         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
19810         <riscv32-*-linux>: Likewise.
19811         <riscv64-*-elf>: Likewise
19812         <riscv64-*-linux>: Likewise.
19813
19814 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
19815
19816         PR target/80052
19817         * aarch64.opt(verbose-cost-dump): Fix typo.
19818
19819 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
19820
19821         PR target/79951
19822         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
19823         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
19824
19825 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
19826
19827         * reload.c (find_reloads): When reloading a nonoffsettable address,
19828         use RELOAD_OTHER for it and its address reloads.
19829
19830         PR rtl-optimization/79910
19831         * combine.c (record_used_regs): New static function.
19832         (try_combine): Handle situations where there is an additional
19833         instruction between I2 and I3 which needs to have a LOG_LINK
19834         updated.
19835
19836 2017-03-17  Jeff Law  <law@redhat.com>
19837
19838         PR tree-optimization/71437
19839         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
19840         conditional in the hash table first.
19841         (vrp_dom_walker::before_dom_children): Extract condition from
19842         ASSERT_EXPR.  Record condition, its inverion and any implied
19843         conditions as well.
19844
19845 2017-03-17  Marek Polacek  <polacek@redhat.com>
19846             Markus Trippelsdorf  <markus@trippelsdorf.de>
19847
19848         PR tree-optimization/80079
19849         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
19850         m_stores_head.
19851
19852 2017-03-17  Richard Biener  <rguenther@suse.de>
19853
19854         PR middle-end/80075
19855         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
19856         Properly verify the LHS before the RHS possibly claims to be
19857         handled.
19858         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
19859         do not throw.
19860
19861 2017-03-17  Martin Jambor  <mjambor@suse.cz>
19862
19863         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
19864         (List of -O2 options): Likewise.
19865         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
19866         (-fipa-vrp) New.
19867
19868 2017-03-17  Tom de Vries  <tom@codesourcery.com>
19869
19870         * gcov-dump.c (print_usage): Print bug_report_url.
19871
19872 2017-03-17  Richard Biener  <rguenther@suse.de>
19873
19874         PR middle-end/80050
19875         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
19876         (parser::peek): Likewise.
19877
19878 2017-03-17  Richard Biener  <rguenther@suse.de>
19879
19880         PR tree-optimization/80048
19881         * sese.c (free_sese_info): Properly release rename_map and
19882         copied_bb_map elements.
19883
19884 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
19885
19886         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
19887         Add linked-list forward and backlinks.  Insert on
19888         construction, remove on destruction.
19889         (class pass_store_merging): Add m_stores_head field.
19890         (pass_store_merging::terminate_and_process_all_chains):
19891         Iterate over m_stores_head list.
19892         (pass_store_merging::terminate_all_aliasing_chains):
19893         Likewise.
19894         (pass_store_merging::execute): Check for debug stmts first.
19895         Push new chains onto the m_stores_head stack.
19896
19897 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
19898
19899         PR target/71294
19900         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
19901         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
19902         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
19903
19904 2017-03-16  Jeff Law  <law@redhat.com>
19905
19906         PR tree-optimization/71437
19907         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
19908         member function.  Implementation moved into after_dom_children
19909         member function and into the threader's thread_outgoing_edges
19910         function.
19911         (dom_opt_dom_walker::after_dom_children): Simplify by moving
19912         some code into new thread_outgoing_edges.
19913         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
19914         definition.  Simplify marker handling (do it here).   Assume we always
19915         have the available expression and the const/copies tables.
19916         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
19917         and tree-vrp.c
19918         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
19919         * tree-vrp.c (equiv_stack): No longer file scoped.
19920         (vrp_dom_walker): New class.
19921         (vrp_dom_walker::before_dom_children): New member function.
19922         (vrp_dom_walker::after_dom_children): Likewise.
19923         (identify_jump_threads):  Setup domwalker.  Use it rather than
19924         walking edges in a random order by hand.  Simplify setup/finalization.
19925         (finalize_jump_threads): Remove.
19926         (vrp_finalize): Do not call identify_jump_threads here.
19927         (execute_vrp): Do it here instead and call thread_through_all_blocks
19928         here too.
19929
19930         PR tree-optimization/71437
19931         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
19932         callers changed.
19933         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
19934         callers changed.
19935         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
19936         (dom_opt_dom_walker::thread_across_edge): Remove
19937         handle_dominating_asserts argument.  All callers changed.
19938         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
19939         changes.  Remove calls to lhs_of_dominating_assert.  Other
19940         uses of handle_dominating_asserts turn into unconditional code
19941         (simplify_control_stmt_condition_1): Likewise.
19942         (simplify_control_stmt_condition): Likewise.
19943         (thread_through_normal_block, thread_across_edge): Likewise.
19944         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
19945         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
19946         object if it is not an SSA_NAME.
19947         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
19948         before calling into the VRP specific simplifiers.
19949         (identify_jump_threads): Remove handle_dominating_asserts
19950         argument.
19951
19952 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
19953
19954         PR fortran/79886
19955         * tree-diagnostic.c (default_tree_printer): No longer static.
19956         * tree-diagnostic.h (default_tree_printer): New prototype.
19957
19958 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
19959
19960         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
19961         Change ins into fmov.
19962
19963 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19964
19965         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
19966         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
19967         Use h_con constraint for operand 1.
19968         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
19969         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
19970
19971 2017-03-15  Jeff Law  <law@redhat.com>
19972
19973         PR tree-optimization/71437
19974         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
19975         (record_temporary_equivalences): Use it.
19976
19977         PR tree-optimization/71437
19978         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
19979         tree-ssa-scopedtables.
19980         (lookup_avail_expr, build_and_record_new_cond): Likewise.
19981         (record_conditions, record_cond, vuse_eq): Likewise.
19982         (record_edge_info): Adjust to API tweak of record_conditions.
19983         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
19984         (record_temporary_equivalences, optimize_stmt): Likewise.
19985         (eliminate_redundant_computations): Likewise.
19986         (record_equivalences_from_stmt): Likewise.
19987         * tree-ssa-scopedtables.c: Include options.h and params.h.
19988         (vuse_eq): New function, moved from tree-ssa-dom.c
19989         (build_and_record_new_cond): Likewise.
19990         (record_conditions): Likewise.  Accept vector of conditions rather
19991         than edge_equivalence structure for first argument.
19992         for the first argument.
19993         (avail_exprs_stack::lookup_avail_expr): New member function, moved
19994         from tree-ssa-dom.c.
19995         (avail_exprs_stack::record_cond): Likewise.
19996         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
19997         from tree-ssa-dom.c.
19998         (avail_exprs_stack): Add new member functions lookup_avail_expr
19999         and record_cond.
20000         (record_conditions): Declare.
20001
20002 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
20003
20004         PR target/80017
20005         * lra-constraints.c (process_alt_operands): Increase reject for
20006         reloading an input/output operand.
20007
20008 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
20009
20010         PR target/79038
20011         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
20012         insns to convert from signed/unsigned char/short to IEEE 128-bit
20013         floating point.
20014         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
20015
20016 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
20017
20018         PR target/80019
20019         * config/i386/i386.c (ix86_vector_duplicate_value): Create
20020         subreg of inner mode for values already in registers.
20021
20022 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
20023
20024         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
20025         iteration reg is used after the loop.
20026
20027 2017-03-14  Martin Sebor  <msebor@redhat.com>
20028
20029         PR tree-optimization/79800
20030         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
20031         precision in negative-positive range.
20032         (format_floating): Call non-const overload with adjusted precision.
20033
20034 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
20035
20036         PR target/79947
20037         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
20038         -mpowerpc-gfxopt.
20039
20040 2017-03-14  Martin Sebor  <msebor@redhat.com>
20041
20042         PR middle-end/80020
20043         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
20044         * builtins.def (aligned_alloc): Use it.
20045
20046         PR c/79936
20047         * Makefile.in (GTFILES): Add calls.c.
20048         * calls.c: Include "gt-calls.h".
20049
20050 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
20051
20052         PR rtl-optimization/79728
20053         * regs.h (struct target_regs): New field
20054         x_contains_allocatable_regs_of_mode.
20055         (contains_allocatable_regs_of_mode): New macro.
20056         * reginfo.c (init_reg_sets_1): Initialize it, and change
20057         contains_reg_of_mode so it includes global regs as well.
20058         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
20059         rather than contains_regs_of_mode.
20060
20061 2017-03-14  Martin Liska  <mliska@suse.cz>
20062
20063         * doc/invoke.texi: Document options that can't be combined with
20064         -fcheck-pointer-bounds.
20065
20066 2017-03-14  Martin Liska  <mliska@suse.cz>
20067
20068         PR middle-end/79831
20069         * doc/invoke.texi (-Wchkp): Document the option.
20070
20071 2017-03-14  Martin Liska  <mliska@suse.cz>
20072
20073         * Makefile.in: Install gcov-dump.
20074
20075 2017-03-14  Martin Liska  <mliska@suse.cz>
20076
20077         * multiple_target.c (expand_target_clones): Bail out for
20078         an invalid attribute.
20079
20080 2017-03-14  Richard Biener  <rguenther@suse.de>
20081
20082         * alias.c (struct alias_set_entry): Pack properly.
20083         * cfgloop.h (struct loop): Likewise.
20084         * cse.c (struct set): Likewise.
20085         * ipa-utils.c (struct searchc_env): Likewise.
20086         * loop-invariant.c (struct invariant): Likewise.
20087         * lra-remat.c (struct cand): Likewise.
20088         * recog.c (struct change_t): Likewise.
20089         * rtl.h (struct address_info): Likewise.
20090         * symbol-summary.h (function_summary): Likewise.
20091         * tree-loop-distribution.c (struct partition): Likewise.
20092         * tree-object-size.c (struct object_size_info): Likewise.
20093         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
20094         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
20095         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
20096         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
20097         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
20098         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
20099         (struct _stmt_vec_info): Likewise.
20100
20101 2017-03-14  Martin Liska  <mliska@suse.cz>
20102
20103         PR target/79892
20104         * multiple_target.c (create_dispatcher_calls): Check that
20105         a target can create a function dispatcher.
20106
20107 2017-03-14  Martin Liska  <mliska@suse.cz>
20108
20109         PR lto/66295
20110         * multiple_target.c (expand_target_clones): Drop local.local
20111         flag for default implementation.
20112
20113 2017-03-14  Richard Biener  <rguenther@suse.de>
20114
20115         PR tree-optimization/80030
20116         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
20117
20118 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
20119
20120         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
20121         gcc_fallthrough() instead of __attribute__((fallthrough));
20122
20123 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20124
20125         * doc/gcc.texi: Remove "up" link to (DIR).
20126         * doc/gccint.texi: Ditto.
20127
20128 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20129
20130         * doc/install.texi (Specific) <avr>: Remove reference to
20131         binutils 2.13.
20132
20133 2017-03-13  Jeff Law  <law@redhat.com>
20134
20135         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
20136         attribute rather than comments.
20137
20138         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
20139         match_scratch operand is highest.
20140
20141 2017-03-13  Martin Liska  <mliska@suse.cz>
20142
20143         PR middle-end/78339
20144         * ipa-pure-const.c (warn_function_noreturn): If the declarations
20145         is a CHKP clone, use original declaration.
20146
20147 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20148
20149         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
20150         (arc_conditional_register_usage): Use a different allocation order
20151         when optimizing for size.
20152         * common/config/arc/arc-common.c (arc_option_optimization_table):
20153         Section anchors default on when optimizing for size.
20154
20155 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20156
20157         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
20158
20159 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20160
20161         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
20162         * config/arc/arc.md (cpu_facility): Add cd variant.
20163         (*movqi_insn): Add code density variant.
20164         (*movhi_insn): Likewise.
20165         (*movqi_insn): Likewise.
20166         (*addsi3_mixed): Likewise.
20167         (subsi3_insn): Likewise.
20168
20169 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20170
20171         * config/arc/arc.md (movsi_cond_exec): Update constraint.
20172
20173 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20174
20175         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
20176         expressions with MINUS and UNARY ops.
20177
20178 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20179
20180         PR target/79911
20181         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
20182         Rename to...
20183         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
20184         between vec_select and vector argument.
20185         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
20186         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
20187         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
20188         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
20189         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
20190         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
20191
20192 2017-03-13  Richard Biener  <rguenther@suse.de>
20193
20194         PR other/79991
20195         * params.def (vect-max-peeling-for-alignment): Fix typo.
20196
20197 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20198
20199         * doc/install.texi (Specific) <mips-*-*>: Remove description of
20200         issue that only occurred with binutils below 2.18.
20201
20202 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20203
20204         * doc/install.texi (Specific) <cris-axis-elf>: No longer
20205         refer to binutils 2.11/2.12 minimum.
20206
20207 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20208
20209         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
20210         ftp.kernel.org and simplify binutils requirement.
20211
20212 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
20213
20214         * doc/invoke.texi (Warning Options): Fix spelling of link-time
20215         optimization.
20216         (Optimize Options): Ditto.  Also remove redundancy.
20217
20218 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20219
20220         PR translation/79848
20221         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
20222         "%qs".
20223         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
20224         to G_ to avoid double translation.
20225
20226 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20227
20228         PR translation/79923
20229         * auto-profile.c (get_combined_location): Convert leading
20230         character of diagnostics to lower case and remove trailing period.
20231         (read_profile): Likewise for various diagnostics.
20232         * config/arm/arm.c (arm_option_override): Remove trailing period
20233         from various diagnostics.
20234         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
20235         (msp430_expand_delay_cycles): Likewise.
20236
20237 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20238
20239         PR target/79925
20240         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
20241         full command-line argument, rather than just "str".
20242         (aarch64_validate_march): Likewise.
20243         (aarch64_validate_mtune): Likewise.
20244
20245 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
20246
20247         PR rtl-optimization/78911
20248         * lra-assigns.c (must_not_spill_p): New function.
20249         (spill_for): Use it.
20250
20251 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20252
20253         PR tree-optimization/79981
20254         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
20255         ATOMIC_COMPARE_EXCHANGE ifn result.
20256         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
20257         IFN_ATOMIC_COMPARE_EXCHANGE.
20258
20259 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20260
20261         PR driver/79875
20262         * opts.c (parse_sanitizer_options): Add missing question mark to
20263         "did you mean" message.
20264
20265 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20266
20267         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
20268         built-in.
20269         (VMULEUH_UNS): Likewise.
20270         (VMULOUB_UNS): Likewise.
20271         (VMULOUH_UNS): Likewise.
20272         * config/rs6000/rs6000.c (builtin_function_type): Remove
20273         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
20274
20275 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20276
20277         PR bootstrap/79952
20278         * read-rtl-function.c (function_reader::read_rtx_operand): Update
20279         x with result of extra_parsing_for_operand_code_0.
20280         (function_reader::extra_parsing_for_operand_code_0): Convert
20281         return type from void to rtx, returning x.  When reading
20282         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
20283         larger size containing struct block_symbol.
20284
20285 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
20286
20287         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
20288         -mfloat128-hardware without -m64.
20289
20290 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
20291
20292         PR target/79941
20293         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
20294         entries to the case statement that marks unsigned arguments to
20295         overloaded functions.
20296
20297 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20298
20299         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
20300         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
20301
20302 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
20303
20304         PR target/79907
20305         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
20306         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
20307
20308 2017-03-10  Martin Liska  <mliska@suse.cz>
20309
20310         PR target/65705
20311         PR target/69804
20312         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
20313         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
20314         FIELD != NULL.
20315
20316 2017-03-10  Olivier Hainque  <hainque@adacore.com>
20317
20318         * tree-switch-conversion (array_value_type): Start by resetting
20319         candidate type to it's main variant.
20320
20321 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20322
20323         PR rtl-optimization/79909
20324         * combine.c (try_combine): Use simplify_replace_rtx on individual
20325         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
20326         of the whole CALL_INSN_FUNCTION_USAGE.
20327
20328         PR tree-optimization/79972
20329         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
20330         get_range_info on SSA_NAMEs.  Formatting fixes.
20331
20332 2017-03-10  Richard Biener  <rguenther@suse.de>
20333             Jakub Jelinek  <jakub@redhat.com>
20334
20335         PR tree-optimization/77975
20336         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
20337         edge to be constant.
20338         (get_val_for): For constant x return it.  Formatting fix.
20339         (loop_niter_by_eval): Avoid pointless looping if the next iteration
20340         would use the same bases as the current one.
20341
20342 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20343
20344         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
20345         instead of vec_select for V1TImode.
20346         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
20347         longer needed.
20348         (VSX_LE_128): Add V1TI to this mode iterator.
20349         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
20350         (*vsx_le_perm_store_<mode>): Likewise.
20351         (pre-reload splitter for VSX stores): Likewise.
20352         (post-reload splitter for VSX stores): Likewise.
20353         (*vsx_xxpermdi2_le_<mode>): Likewise.
20354         (*vsx_lxvd2x2_le_<mode>): Likewise.
20355         (*vsx_stxvd2x2_le_<mode>): Likewise.
20356
20357 2017-03-09  Michael Eager  <eager@eagercon.com>
20358
20359         Correct failures with --enable-checking=yes,rtl.
20360
20361         * config/microblaze/microblaze.c (microblaze_expand_shift):
20362         Replace GET_CODE test with CONST_INT_P and INTVAL test with
20363         test for const0_rtx.
20364         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
20365         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
20366
20367 2017-03-09  Richard Biener  <rguenther@suse.de>
20368
20369         PR tree-optimization/79977
20370         * graphite-scop-detection.c (scop_detection::merge_sese):
20371         Handle the case of extra exits to blocks dominating the entry.
20372
20373 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
20374
20375         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
20376         Document rdynamic.
20377
20378 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
20379
20380         PR rtl-optimization/79949
20381         * lra-constraints.c (process_alt_operands): Check memory when
20382         trying to predict a cycle.  Print about the overall increase.
20383
20384 2017-03-09  Richard Biener  <rguenther@suse.de>
20385
20386         PR middle-end/79971
20387         * gimple-expr.c (useless_type_conversion_p): Preserve
20388         TYPE_SATURATING for fixed-point types.
20389
20390 2017-03-09  Richard Biener  <rguenther@suse.de>
20391
20392         PR ipa/79970
20393         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
20394         alignment of BLKmode params.
20395
20396 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20397
20398         PR target/79913
20399         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
20400         (VALL_NO_V2Q): Likewise.
20401         (VDQF_DF): Delete.
20402         * config/aarch64/aarch64-simd.md
20403         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
20404         iterator.
20405         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
20406         VALL_NO_V2Q mode iterator.
20407         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
20408
20409 2017-03-09  Martin Liska  <mliska@suse.cz>
20410
20411         PR tree-optimization/79631
20412         * tree-chkp-opt.c (chkp_is_constant_addr): Call
20413         tree_int_cst_sign_bit just for INTEGER constants.
20414
20415 2017-03-09  Martin Liska  <mliska@suse.cz>
20416
20417         PR target/65705
20418         PR target/69804
20419         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
20420         sanitizers.
20421
20422 2017-03-09  Marek Polacek  <polacek@redhat.com>
20423
20424         PR c++/79672
20425         * tree.c (inchash::add_expr): Handle TREE_VEC.
20426
20427 2017-03-09  Martin Liska  <mliska@suse.cz>
20428
20429         PR ipa/79764
20430         (chkp_narrow_size_and_offset): New function.
20431         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
20432         (void chkp_parse_bit_field_ref): New function.
20433         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
20434         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
20435
20436 2017-03-09  Martin Liska  <mliska@suse.cz>
20437
20438         PR ipa/79761
20439         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
20440         (chkp_find_bounds_1): Remove gcc_unreachable.
20441
20442 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
20443
20444         PR sanitizer/79944
20445         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
20446         BUILT_IN_SYNC*, determine the access type from the size suffix and
20447         always build a MEM_REF with that type.  Handle forgotten
20448         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
20449
20450         PR target/79932
20451         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
20452         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
20453         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
20454         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
20455         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
20456         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
20457         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
20458         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
20459         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
20460         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
20461         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
20462         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
20463         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
20464         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
20465         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
20466         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
20467         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
20468         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
20469         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
20470         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
20471         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
20472         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
20473         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
20474         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
20475         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
20476         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
20477         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
20478         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
20479         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
20480         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
20481         definitions outside of __OPTIMIZE__ guarded section.
20482
20483         PR target/79932
20484         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
20485         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
20486         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
20487         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
20488         guarded section.
20489
20490 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20491
20492         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
20493         ("vfenez<mode>"): Add missing constraints.
20494
20495 2017-03-08  Martin Sebor  <msebor@redhat.com>
20496
20497         PR target/79928
20498         * config/nds32/nds32.c (nds32_option_override):
20499         Fix misspelled diagnostic.
20500
20501 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20502
20503         PR c/79940
20504         * gimplify.c (gimplify_omp_for): Replace index var in outer
20505         taskloop statement with an artificial variable and add
20506         OMP_CLAUSE_PRIVATE clause for it.
20507
20508 2017-03-08  Richard Biener  <rguenther@suse.de>
20509
20510         PR tree-optimization/79955
20511         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
20512         for accesses that are completely outside of the variable.
20513
20514 2017-03-08  Andrew Haley  <aph@redhat.com>
20515
20516         PR tree-optimization/79943
20517         * tree-ssa-loop-split.c (compute_new_first_bound): When
20518         calculating the new upper bound, (END-BEG) should be added, not
20519         subtracted.
20520
20521 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20522
20523         * config/avr/avr.md (setmemhi): Make sure match_dup
20524         operand number comes before match_scratch.
20525
20526 2017-03-08  Richard Biener  <rguenther@suse.de>
20527
20528         PR tree-optimization/79920
20529         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
20530         with ncopies == 1 to ...
20531         (vect_transform_slp_perm_load): ... here.  Properly compute
20532         all element loads by iterating VF times over the group.  Do
20533         not handle ncopies (computed in a broken way) in
20534         vect_create_mask_and_perm.
20535
20536 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
20537
20538         PR sanitizer/79904
20539         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
20540         is a uniform vector, use uniform_vector_p return value instead of
20541         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
20542
20543 2017-03-07  Marek Polacek  <polacek@redhat.com>
20544
20545         PR middle-end/79809
20546         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
20547         (alloca_call_type): Likewise.
20548
20549 2017-03-07  Martin Liska  <mliska@suse.cz>
20550
20551         * gcov.c (process_args): Put comment to correct location.
20552
20553 2017-03-07  Martin Liska  <mliska@suse.cz>
20554
20555         PR middle-end/68270
20556         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
20557         Use array_at_struct_end_p instead of DECL_CHAIN (field).
20558         (chkp_narrow_bounds_for_field): Likewise.
20559         (chkp_parse_array_and_component_ref): Pass one more argument to
20560         call.
20561
20562 2017-03-07  Richard Biener  <rguenther@suse.de>
20563
20564         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
20565         preheaders.
20566
20567 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
20568
20569         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
20570         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
20571
20572 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20573
20574         PR c/79855
20575         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
20576         to end of description.
20577         (PARAM_MAX_STORES_TO_MERGE): Likewise.
20578
20579 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
20580
20581         PR rtl-optimization/79901
20582         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
20583         ...
20584         (*avx512f_<code><mode>3<mask_name>): ... this.
20585         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
20586         iterator instead of VI8_AVX2_AVX512BW.
20587
20588         PR rtl-optimization/79901
20589         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
20590         min/max expander, expand it using expand_vec_cond_expr.
20591
20592         PR sanitizer/79897
20593         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
20594         temporary.
20595
20596 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20597
20598         PR c++/79821
20599         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
20600         to void * for PCH reasons.
20601         * dwarf2out.c (output_loc_operands, output_die): Cast
20602         v.val_vec.array to unsigned char *.
20603
20604 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
20605
20606         PR target/77850
20607         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
20608         vector types.
20609
20610 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
20611
20612         PR rtl-optimization/79571
20613         * lra-constraints.c (process_alt_operands): Calculate static
20614         reject and subtract it from overall when only addresses will be
20615         reloaded.
20616
20617 2017-03-06  Julia Koval  <julia.koval@intel.com>
20618
20619         PR target/79793
20620         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
20621         incoming stack boundary to 128 for 64-bit targets.
20622
20623 2017-03-06  Richard Biener  <rguenther@suse.de>
20624
20625         PR tree-optimization/79894
20626         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
20627         to NULL after folding it.
20628
20629 2017-03-06  Richard Biener  <rguenther@suse.de>
20630
20631         PR tree-optimization/79824
20632         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
20633         check disabling peeling for gaps.
20634
20635 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
20636
20637         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
20638         attributes): Document gettimeofday.
20639
20640 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20641
20642         * config/s390/s390.c (s390_option_override_internal): Set
20643         PARAM_MIN_VECT_LOOP_BOUND
20644
20645 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20646
20647         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
20648         * config/s390/s390.md: Likewise.
20649
20650 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20651
20652         PR target/79812
20653         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
20654         (<avx2_avx512>_perm<mode>): Rename to ...
20655         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
20656         of VI8F_256_512.
20657         (<avx512>_perm<mode>_mask): Rename to ...
20658         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
20659         of VI8F_256_512.
20660         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
20661         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
20662         instead of VI8F_256_512.
20663         (avx512f_perm<mode>): New define_expand.
20664         (avx512f_perm<mode>_mask): Likewise.
20665         (avx512f_perm<mode>_1<mask_name>): New define_insn.
20666         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
20667
20668 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20669
20670         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
20671         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
20672         if_then_else.
20673         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
20674
20675 2017-03-06  Martin Liska  <mliska@suse.cz>
20676
20677         PR sanitize/79783
20678         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
20679         when having a SSA NAME w/o VAR_DECL assigned to it.
20680
20681 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20682
20683         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
20684         msa_dpsub_<su>_d): Fix MODE for vec_select.
20685
20686 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20687
20688         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
20689         argument.
20690         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
20691
20692 2017-03-06  Richard Biener  <rguenther@suse.de>
20693
20694         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
20695         * plugin.c (register_plugin_info): Likewise.
20696         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
20697
20698 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
20699
20700         * config/i386/sse.md (sse_storehps, sse_storelps,
20701         avx_<castmode><avxsizesuffix>_<castmode>,
20702         avx512f_<castmode><avxsizesuffix>_<castmode>,
20703         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
20704         in condition that at least one operand is not a MEM.
20705
20706 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
20707
20708         PR middle-end/79805
20709         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
20710         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
20711         ECF_NOTHROW.
20712         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
20713         gimple_call_nothrow_p flag based on whether original builtin can throw.
20714         If it can, emit following stmts on the fallthrough edge.
20715         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
20716         don't create new bb if inserting just debug stmts on the edge, try to
20717         insert them on the fallthru bb or just reset debug stmts.
20718
20719 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
20720
20721         PR target/43763
20722         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
20723         restore recog_data (including the operand rtxes inside it) around
20724         the call to get_insn_template.
20725
20726 2017-03-03  Martin Sebor  <msebor@redhat.com>
20727
20728         PR tree-optimization/79699
20729         * context.c (context::~context): Free MPFR caches to avoid
20730         a memory leak on program exit.
20731
20732 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20733
20734         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
20735         Use wide_int::ulow () instead of .elt (0).
20736
20737 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
20738
20739         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
20740         (*pushxf): Limit oF constraint to 32bit targets and add oC
20741         constraint for 64bit targets.
20742         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
20743         (*pushdf): Change rmF constraint to rmC.
20744
20745 2017-03-03  Martin Liska  <mliska@suse.cz>
20746
20747         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
20748         Remove unused variable.
20749
20750 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
20751
20752         PR target/79807
20753         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
20754         is a memory operand, increase num_memory.
20755         (ix86_expand_args_builtin): Likewise.
20756
20757 2017-03-03  Jan Hubicka  <jh@suse.cz>
20758
20759         PR lto/79760
20760         * ipa-devirt.c (maybe_record_node): Properly handle
20761         __cxa_pure_virtual visibility.
20762
20763 2017-03-03  Martin Liska  <mliska@suse.cz>
20764
20765         PR tree-optimization/79803
20766         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
20767         assert.
20768         (pass_loop_prefetch::execute): Disabled optimization if an
20769         assumption about L1 cache size is not met.
20770
20771 2017-03-03  Martin Liska  <mliska@suse.cz>
20772
20773         PR rtl-optimization/79574
20774         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
20775         (hash_scan_set): Likewise.
20776         (dump_hash_table): Likewise.
20777         (hoist_code): Likewise.
20778
20779 2017-03-03  Richard Biener  <rguenther@suse.de>
20780
20781         * fixed-value.c (fixed_from_string): Restore use of elt (1)
20782         in place of uhigh ().
20783         (fixed_convert_from_real): Likewise.
20784
20785 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
20786
20787         PR target/79514
20788         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
20789
20790 2017-03-03  Richard Biener  <rguenther@suse.de>
20791
20792         PR middle-end/79818
20793         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
20794         TYPE_OVERFLOW_UNDEFINED check.
20795
20796 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20797
20798         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
20799         numbers.
20800         (vector_ae_<mode>_p): Likewise.
20801         (vector_nez_<mode>_p): Likewise.
20802         (vector_ne_v2di_p): Likewise.
20803         (vector_ae_v2di_p): Likewise.
20804         (vector_ne_<mode>_p): Likewise.
20805         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
20806         numbers.
20807         (vsx_tsqrt<mode>2_fe): Likewise.
20808
20809 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
20810
20811         PR target/79514
20812         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
20813
20814 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
20815
20816         PR rtl-optimization/79780
20817         * cprop.c (one_cprop_pass): When second and further conditional trap
20818         in a single basic block is turned into an unconditional trap, turn it
20819         into a deleted note to avoid RTL verification failures.
20820
20821 2017-03-02  Richard Biener  <rguenther@suse.de>
20822
20823         * fold-const.c (const_binop): Use ulow () instead of elt (0).
20824
20825 2017-03-02  Richard Biener  <rguenther@suse.de>
20826
20827         PR tree-optimization/79345
20828         PR c++/42000
20829         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
20830         param and abort the walk, returning -1 if it is hit.
20831         (walk_aliased_vdefs): Take a limit param and pass it on.
20832         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
20833         defaulting to 0 and return a signed int.
20834         * tree-ssa-uninit.c (struct check_defs_data): New struct.
20835         (check_defs): New helper.
20836         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
20837         about uninitialized memory.
20838         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
20839         bogus uninitialized warning.
20840         (fixed_convert_from_real): Likewise.
20841
20842 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
20843
20844         PR tree-optimization/66768
20845         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
20846         iv_use if base object can't be determined.
20847
20848 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
20849
20850         PR tree-optimization/79345
20851         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
20852         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
20853         (get_pattern_stats): Initialize it.
20854         * genemit.c (gen_expand): Verify match_scratch numbers come after
20855         match_operand/match_dup numbers.
20856         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
20857         match_scratch numbers.
20858         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
20859         Likewise.
20860         * config/s390/s390.md (trunctdsd2): Likewise.
20861
20862 2017-03-02  Richard Biener  <rguenther@suse.de>
20863
20864         * wide-int.h (wide_int_storage::operator=): Implement in terms
20865         of wi::copy.
20866
20867 2017-03-02  Richard Biener  <rguenther@suse.de>
20868
20869         PR tree-optimization/79777
20870         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
20871         the to insert expression to sth existing.
20872
20873 2017-03-01  Martin Sebor  <msebor@redhat.com>
20874
20875         PR middle-end/79692
20876         * gimple-ssa-sprintf.c
20877         (directive::known_width_and_precision): New function.
20878         (format_integer): Use it.
20879         (get_mpfr_format_length): Consider the full range of precision
20880         when computing %g output with the # flag.  Set the likely byte
20881         count to 3 rather than 1 when precision is indeterminate.
20882         (format_floating): Correct the lower bound of precision.
20883
20884 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20885
20886         * doc/invoke.texi: Document default code model for 64-bit Linux.
20887
20888 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20889
20890         PR target/79752
20891         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
20892         udiv rather than div since input pattern is unsigned.
20893
20894 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
20895
20896         * config/i386/i386.c (print_reg): Warn for values of
20897         unsupported size in integer register.
20898
20899 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
20900
20901         PR target/79439
20902         * config/rs6000/predicates.md (current_file_function_operand): Do
20903         not allow self calls to be local if the function is replaceable.
20904
20905 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20906
20907         PR target/79395
20908         * config/rs6000/altivec.h (vec_ctz and others): Change the
20909         preprocessor macro that controls conditional compilation from
20910         _ARCH_PWR9 to __POWER9_VECTOR__.
20911         (vec_all_ne): Change parameterization of __altivec_scalar_pred
20912         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
20913         control (instead of _ARCH_PWR9 control) so that template
20914         definition uses power9-specific function.
20915         (vec_any_eq): Likewise.
20916         (vec_all_ne): Change macro definition to use a power9-specific
20917         expansion under #ifdef __POWER9_VECTOR__ control (instead of
20918         _ARCH_PWR9 control).
20919         (vec_any_eq) Likewise.
20920         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
20921         expansion for CMPNEF to remove support for xvcmpnesp instruction.
20922         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
20923         support for xvcmpnedp instruction.
20924         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
20925         macro expansion so that Power9 implementation of vec_all_ne does
20926         not use the AltiVec predicate framework.
20927         (VCMPNEH_P): Likewise.
20928         (VCMPNEW_P): Likewise.
20929         (VCMPNED_P): Likewise.
20930         (VCMPNEFP_P): Likewise.
20931         (VCMPNEDP_P): Likewise.
20932         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
20933         implementation of vec_any_eq to not use AltiVec predicate
20934         framework.
20935         (VCMPAEH_P): Likewise.
20936         (VCMPAEW_P): Likewise.
20937         (VCMPAED_P): Likewise.
20938         (VCMPAEFP_P): Likewise.
20939         (VCMPAEDP_P): Likewise.
20940         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
20941         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
20942         not use the AltiVec predicate framework.
20943         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
20944         of vec_any_eq to not use AltiVec predicate framework.
20945         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
20946         support for predefined __POWER9_VECTOR__ macro to indicate that
20947         Power9 instruction selection is enabled.
20948         (altivec_overloaded_builtins): Remove extraneous
20949         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
20950         function argument types RS6000_BTI_bool_V16QI and
20951         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
20952         entry for overloaded function argument types RS6000_BTI_bool_V4SI
20953         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
20954         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
20955         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
20956         Power9 for implementations of vec_cmpne.  Change the signature for
20957         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
20958         (representing vec_all_ne) to remove the previously described first
20959         argument of type RS6000_BTI_INTSI, as this was an artifact of
20960         reliance on the AltiVec predicate framework, which is no longer
20961         used in the implementation of these functions.  Add
20962         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
20963         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
20964         since, unlike the AltiVec predicate framework implementation, we
20965         do not share function descriptors between vec_alle and vec_anyeq.
20966         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
20967         set of modes that receive special treatment even when
20968         TARGET_P9_VECTOR is true.  The special treatment emits code that
20969         does not depend on Power9 instructions.
20970         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
20971         define_expand to not rely on AltiVec predicate framework.
20972         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
20973         function.
20974         (vector_ne_v2di_p): Change this define_expand to not rely on
20975         AltiVec predicate framework.
20976         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
20977         function.
20978         (vector_ne_<mode>_p): Change this define_expand to not rely on
20979         AltiVec predicate framework.
20980         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
20981         function.
20982         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
20983         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
20984         define_insn pattern.
20985         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
20986         define_insn pattern because the xvcmpne<VSs>. instruction is not
20987         supported.
20988         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
20989         instruction is not supported.
20990
20991 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20992
20993         * config/nvptx/nvptx.c: Include intl.h.
20994
20995 2017-03-01  Martin Jambor  <mjambor@suse.cz>
20996
20997         PR lto/78140
20998         * ipa-prop.h (ipa_bits): Removed field known.
20999         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
21000         to pointers.  Adjusted their comments to warn about their sharing.
21001         (ipcp_transformation_summary): Change bits to a vector of pointers.
21002         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
21003         (ipa_get_ipa_bits_for_value): Declare.
21004         * tree-vrp.h (value_range): Mark as GTY((for_user)).
21005         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
21006         (ipa_bits_hash_table): Likewise.
21007         (ipa_vr_ggc_hash_traits): Likewise.
21008         (ipa_vr_hash_table): Likewise.
21009         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
21010         being pointers and vr_known being removed.
21011         (ipa_set_jf_unknown): Likewise.
21012         (ipa_get_ipa_bits_for_value): New function.
21013         (ipa_set_jfunc_bits): Likewise.
21014         (ipa_get_value_range): New overloaded functions.
21015         (ipa_set_jfunc_vr): Likewise.
21016         (ipa_compute_jump_functions_for_edge): Use the above functions to
21017         construct bits and vr parts of jump functions.
21018         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
21019         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21020         exist.
21021         (ipcp_grow_transformations_if_necessary): Also allocate
21022         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21023         exist.
21024         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
21025         them.  Fix too long lines.
21026         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
21027         vr_known being removed.
21028         (ipa_read_jump_function): Use new setter functions to construct bits
21029         and vr parts of jump functions or set them to NULL.
21030         (write_ipcp_transformation_info): Adjust for bits being pointers.
21031         (read_ipcp_transformation_info): Likewise.
21032         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
21033         space.
21034         Include gt-ipa-prop.h.
21035         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
21036         being pointers.
21037         (ipcp_store_bits_results): Likewise.
21038         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
21039         Do not write to existing jump functions but use a temporary instead.
21040
21041 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21042
21043         PR c++/79681
21044         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
21045         attempt to use its first operand as BIT_FIELD_REF base.
21046
21047 2017-03-01  Richard Biener  <rguenther@suse.de>
21048
21049         PR middle-end/79721
21050         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
21051         interpolating formula in wrapping arithmetic.
21052         (chrec_apply): Convert chrec_evaluate return value to wanted type.
21053
21054 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21055
21056         PR tree-optimization/79734
21057         * tree-vect-generic.c (expand_vector_condition): Optimize
21058         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
21059         Handle VEC_COND_EXPR where comparison has different inner width from
21060         type's inner width.
21061
21062 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21063
21064         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
21065         markup, and similar issues.  Remove @opindex entries for things
21066         that aren't options.  Add missing -mmpy-option entries.
21067
21068 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21069
21070         PR tree-optimization/79737
21071         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
21072         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
21073         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
21074         instead of byte_size.  Formatting fix.
21075         (shift_bytes_in_array_right): Formatting fix.
21076
21077 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
21078
21079         PR target/79749
21080         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
21081         condition on optimize for the leaf function test.
21082
21083 2017-02-28  Martin Liska  <mliska@suse.cz>
21084
21085         PR lto/79625
21086         * read-rtl-function.c (function_reader::handle_unknown_directive):
21087         Bail out when one uses -flto.
21088
21089 2017-02-28  Martin Liska  <mliska@suse.cz>
21090
21091         * common.opt: Replace space with tabular for options of <number>
21092         type.
21093         * config/i386/i386.opt: Show <number> value for
21094         -mlarge-data-threshold.
21095         * opts.c (print_filtered_help): Do not display number in hexadecimal
21096         format.
21097
21098 2017-02-28  Martin Liska  <mliska@suse.cz>
21099
21100         * common.opt: Fix --help=option -Q for options which are of
21101         an enum type.
21102
21103 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
21104
21105         * config/i386/i386.c (print_reg): Error out for values
21106         of 8-bit size in invalid integer register.
21107
21108 2017-02-28  Martin Sebor  <msebor@redhat.com>
21109
21110         PR tree-optimization/79691
21111         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
21112
21113 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21114
21115         PR target/79729
21116         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
21117         gcc_unreachable with output_operand_lossage.
21118
21119 2017-02-28  Richard Biener  <rguenther@suse.de>
21120
21121         PR tree-optimization/79740
21122         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
21123         inserts.
21124         (visit_nary_op): Insert the nary into the hashtable if we
21125         pattern-matched sth.
21126         * tree-ssa-pre.c (eliminate_insert): Robustify.
21127
21128 2017-02-28  Richard Biener  <rguenther@suse.de>
21129
21130         PR middle-end/79731
21131         * fold-const.c (decode_field_reference): Reject out-of-bound
21132         accesses.
21133
21134 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21135
21136         * config/i386/i386.c: Include intl.h.
21137         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
21138         instead of just cond ? "..." : "...".
21139         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
21140         * coverage.c (read_counts_file): Likewise.
21141         * omp-offload.c: Include intl.h.
21142         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
21143         of just cond ? "..." : "...".
21144         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
21145         of just cond ? "..." : "...".
21146
21147 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
21148
21149         PR target/79742
21150         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
21151         entry, if present.
21152         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
21153         'tune for' CPU name.
21154         * config/arm/arm-cpu-data.h: Regenerated.
21155
21156 2017-02-28  Richard Biener  <rguenther@suse.de>
21157
21158         PR tree-optimization/79732
21159         * tree-inline.c (expand_call_inline): Do not shadow var.
21160
21161 2017-02-28  Richard Biener  <rguenther@suse.de>
21162
21163         PR tree-optimization/79723
21164         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
21165         address-space properly.
21166
21167 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
21168
21169         * doc/optinfo.texi (Optimization groups): Fix option used for
21170         OPTGROUP_ALL.
21171         * doc/invoke.texi (-fopt-info): Document "omp".
21172         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
21173         (OPTGROUP_ALL): Add OPTGROUP_OMP.
21174         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
21175         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
21176         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
21177
21178         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
21179         all users.
21180         * dumpfile.c (optgroup_options): Instead of "openmp", associate
21181         OPTGROUP_OMP with "omp".
21182
21183 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
21184
21185         PR target/79544
21186         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
21187         for arithmetic shift of unsigned V2DI.
21188
21189 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
21190
21191         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
21192         arc/linux.h headers.
21193         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
21194         (LINK_SPEC): Likewise.
21195         (ARC_TLS_EXTRA_START_SPEC): Likewise.
21196         (EXTRA_SPECS): Likewise.
21197         (STARTFILE_SPEC): Likewise.
21198         (ENDFILE_SPEC): Likewise.
21199         (LIB_SPEC): Likewise.
21200         (TARGET_SDATA_DEFAULT): Likewise.
21201         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
21202         (MULTILIB_DEFAULTS): Likewise.
21203         (DWARF2_UNWIND_INFO): Likewise.
21204         * config/arc/big.h: New file.
21205         * config/arc/elf.h: Likewise.
21206         * config/arc/linux.h: Likewise.
21207         * config/arc/t-uClibc: Remove.
21208
21209 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
21210
21211         PR tree-optimization/77536
21212         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
21213         (tree_transform_and_unroll_loop): Use above function to compute the
21214         estimated niter of unrolled loop and use it when scaling profile.
21215         Also use count info rather than frequency if it's non-zero.
21216         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
21217         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
21218         (vect_transform_loop): Call above function.
21219
21220 2017-02-27  Richard Biener  <rguenther@suse.de>
21221
21222         PR tree-optimization/45397
21223         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
21224         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
21225         (visit_nary_op): Add pattern matching for CSEing sign-changed
21226         or truncated operations with wider ones.
21227
21228 2017-02-27  Richard Biener  <rguenther@suse.de>
21229
21230         PR tree-optimization/79690
21231         * tree-vect-stmts.c (vectorizable_store): Use vector type
21232         built from the DR with address-space.
21233
21234 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
21235
21236         * doc/invoke.texi (Optimize Options): Refine the description
21237         of asan-use-after-return.
21238
21239 2017-02-25  Alan Modra  <amodra@gmail.com>
21240
21241         PR rtl-optimization/79584
21242         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
21243         base, not ad->base_term, the reg within base.  Remove assertion
21244         that ad->base == ad->base_term.  Replace gen_int_mode using
21245         bogus mode with const0_rtx.
21246
21247 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
21248
21249         PR middle-end/79396
21250         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
21251         FMA_EXPR like tcc_binary or tcc_unary.
21252
21253         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
21254
21255         PR debug/77589
21256         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
21257         bitfield.
21258         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
21259         (output_loc_operands): Handle DW_OP_call_ref and
21260         DW_OP_GNU_variable_value.
21261         (struct variable_value_struct): New type.
21262         (struct variable_value_hasher): Likewise.
21263         (variable_value_hash): New variable.
21264         (string_types): Remove.
21265         (copy_loc_descr): New function.
21266         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
21267         (prepend_loc_descr_to_each): New function.
21268         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
21269         instead of add_loc_descr_to_each if the first argument is single
21270         location list and the second has multiple.
21271         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
21272         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
21273         when looking for variable value which doesn't have other location info.
21274         (loc_list_from_tree): Formatting fix.
21275         (gen_array_type_die): Simplify DW_AT_string_length handling.
21276         (adjust_string_types): Remove.
21277         (gen_subprogram_die): Don't call adjust_string_types nor test/set
21278         string_types.  Call resolve_variable_values.
21279         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
21280         (resolve_addr_in_expr): Likewise.  Add A argument.
21281         (copy_deref_exprloc): Remove deref argument.  Adjust for the
21282         original expression being DW_OP_GNU_variable_value with optionally
21283         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
21284         optionally after it.
21285         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
21286         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
21287         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
21288         (variable_value_hasher::hash, variable_value_hasher::equal): New
21289         methods.
21290         (resolve_variable_value_in_expr, resolve_variable_value,
21291         resolve_variable_values, note_variable_value_in_expr,
21292         note_variable_value): New functions.
21293         (dwarf2out_early_finish): Call note_variable_value on all toplevel
21294         DIEs.
21295
21296 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
21297
21298         PR c/79677
21299         * opts.h (handle_generated_option): Add GENERATED_P argument.
21300         * opts-common.c (handle_option): Adjust function comment.
21301         (handle_generated_option): Add GENERATED_P argument, pass it to
21302         handle_option.
21303         (control_warning_option): Pass false to handle_generated_option
21304         GENERATED_P.
21305         * opts.c (maybe_default_option): Pass true to handle_generated_option
21306         GENERATED_P.
21307         * optc-gen.awk: Likewise.
21308
21309 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21310
21311         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
21312         a REG, look at the REG it is a SUBREG of.
21313         (splitter for cmpeqsi_t): Ditto.
21314
21315 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21316
21317         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
21318         the special USEs with the pattern of the insn, not the insn itself.
21319
21320 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
21321
21322         PR target/79473
21323         * doc/invoke.texi: Document -mload-store-pairs.
21324
21325 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21326             Sandra Loosemore  <sandra@codesourcery.com>
21327
21328         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
21329         argument isn't a CONST_INT.
21330         (nios2_alternate_compare_const): Assert op is a CONST_INT.
21331         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
21332         (nios2_validate_compare): Bypass alternate compare logic if *op2
21333         is not a CONST_INT.
21334         (ldstwm_operation_p): Return false if first_base is not a REG or
21335         if first_offset is not a CONST_INT.
21336
21337 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21338
21339         * config/cris/cris.md: Use correct operand in a define_peephole2.
21340
21341 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21342
21343         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
21344
21345 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21346
21347         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
21348         this_insn if it is an INSN or JUMP_INSN.
21349         (force_offsettable): Look at base, not at addr.
21350         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
21351         on things that aren't necessarily CONST_INTs.
21352
21353 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
21354
21355         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
21356         -mfpmath=sse is the default also for x86-32 targets with SSE2
21357         instruction set when @option{-ffast-math} is enabled
21358
21359 2017-02-24  Jeff Law  <law@redhat.com>
21360
21361         PR rtl-optimizatoin/79286
21362         * ira.c (update_equiv_regs): Drop may_trap_p exception to
21363         dominance test.
21364
21365 2017-02-24  Richard Biener  <rguenther@suse.de>
21366
21367         PR tree-optimization/79389
21368         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
21369         debug insns.
21370
21371 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
21372
21373         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
21374         function comment to reflect reality.
21375         (loop_exits_before_overflow): Fix typo in function description.
21376
21377 2017-02-24  Richard Biener  <rguenther@suse.de>
21378
21379         PR tree-optimization/79389
21380         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
21381         properly that a threading opportunity exists.  Detect conditional
21382         copy/constant propagation opportunities.
21383
21384 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
21385
21386         * config/visium/visium.md (type): Add trap.
21387         (b): New mode attribute.
21388         (*btst): Rename into...
21389         (*btst<mode>): ...this and adjust.
21390         (*cbranchsi4_btst_insn): Rename into...
21391         (*cbranch<mode>4_btst_insn): ...this and adjust.
21392         (trap): New define_insn.
21393
21394 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21395
21396         PR tree-optimization/79389
21397         * ifcvt.c (struct noce_if_info): Add rev_cond field.
21398         (noce_reversed_cond_code): New function.
21399         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
21400         reversed_comparison_code.  Formatting fix.
21401         (noce_try_store_flag): Test rev_cond != NULL in addition to
21402         reversed_comparison_code.
21403         (noce_try_store_flag_constants): Likewise.
21404         (noce_try_store_flag_mask): Likewise.
21405         (noce_try_addcc): Use rev_cond if non-NULL instead of
21406         reversed_comparison_code.
21407         (noce_try_cmove_arith): Likewise.  Formatting fixes.
21408         (noce_try_minmax, noce_try_abs): Clear rev_cond.
21409         (noce_find_if_block): Initialize rev_cond.
21410         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
21411         instead of false as last argument never attempt to reverse it
21412         afterwards.
21413
21414 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
21415
21416         PR tree-optimization/79663
21417         * tree-predcom.c (combine_chains): Process refs in reverse order
21418         only for ZERO length chains, and add explaining comment.
21419
21420 2017-02-23  Jeff Law  <law@redhat.com>
21421
21422         PR tree-optimization/79578
21423         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
21424         in call to operand_equal_p.
21425
21426 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
21427
21428         PR target/71017
21429         * config/i386/cpuid.h: Fix another undefined behavior.
21430
21431 2017-02-23  Richard Biener  <rguenther@suse.de>
21432
21433         PR tree-optimization/79683
21434         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
21435         vector types for data-refs.
21436
21437 2017-02-23  Martin Liska  <mliska@suse.cz>
21438
21439         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
21440
21441 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21442
21443         PR middle-end/79665
21444         * internal-fn.c (get_range_pos_neg): Moved to ...
21445         * tree.c (get_range_pos_neg): ... here.  No longer static.
21446         * tree.h (get_range_pos_neg): New prototype.
21447         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
21448         are known to be in between 0 and signed maximum inclusive, try to
21449         expand both unsigned and signed divmod and use the cheaper one from
21450         those.
21451
21452 2017-02-22  Jeff Law  <law@redhat.com>
21453
21454         PR tree-optimization/79578
21455         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
21456         to compare base operands.
21457
21458 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
21459
21460         PR target/79211
21461         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
21462         gpc_reg_operand instead of fpr_reg_operand.
21463
21464 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
21465
21466         * config/mips/mips.c (mips_return_in_memory): Force FP
21467         vector types to be returned in memory for o32 ABI.
21468
21469 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21470
21471         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
21472         instead of DW_TAG_member for static data member declarations and don't
21473         set no_linkage_name for static inline data members.
21474         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
21475         to DW_TAG_member.
21476
21477 2017-02-22  Martin Liska  <mliska@suse.cz>
21478
21479         * doc/invoke.texi: Replace inequality signs with square brackets
21480         for -Wnormalized.
21481
21482 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21483
21484         PR tree-optimization/68644
21485         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
21486
21487 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
21488
21489         PR target/78660
21490         * lra-constraints.c (simplify_operand_subreg): Handle
21491         WORD_REGISTER_OPERATIONS targets.
21492
21493 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
21494
21495         PR target/70465
21496         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
21497         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
21498         elimination by swapping fld*.
21499
21500 2017-02-22  Richard Biener  <rguenther@suse.de>
21501
21502         PR tree-optimization/79673
21503         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
21504         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
21505         irrelevant address-space qualifiers and avoiding a
21506         ADDR_SPACE_CONVERT_EXPR from fold_convert.
21507
21508 2017-02-22  Richard Biener  <rguenther@suse.de>
21509
21510         PR tree-optimization/79666
21511         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
21512         to not symbolically negate if that may introduce undefined
21513         overflow.
21514
21515 2017-02-22  Martin Liska  <mliska@suse.cz>
21516
21517         PR lto/79587
21518         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
21519         * data-streamer-out.c (streamer_write_gcov_count_stream):
21520         Likewise.
21521         * value-prof.c (stream_out_histogram_value): Make assert more
21522         precise based on type of counter.
21523
21524 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
21525
21526         PR target/79593
21527         * config/i386/i386.md (standard_x87sse_constant_load splitter):
21528         Use nonimmediate_operand instead of memory_operand for operand 1.
21529         (float-extend standard_x87sse_constant_load splitter): Ditto.
21530
21531 2017-02-21  Jeff Law  <law@redhat.com>
21532
21533         PR tree-optimization/79621
21534         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
21535         blocks with edges to themselves.
21536
21537 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21538
21539         PR target/79633
21540         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
21541         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
21542         Use gimple_call_builtin_p.
21543
21544         PR target/79570
21545         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
21546         on temporarily removed DEBUG_INSNs.
21547
21548         PR tree-optimization/79649
21549         * tree-loop-distribution.c (classify_partition): Give up on
21550         non-generic address space loads/stores.
21551
21552 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
21553
21554         * doc/loop.texi (Loop manipulation): Remove nonexistent
21555         tree_ssa_loop_version from the documentation.
21556         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
21557
21558 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21559
21560         PR target/79494
21561         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
21562         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
21563         * config/rs6000/rs6000.c: Include except.h.
21564         (rs6000_expand_split_stack_prologue): Call
21565         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
21566
21567 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21568
21569         PR lto/79579
21570         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
21571         have been analyzed.
21572
21573 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21574
21575         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
21576         for backward compatibility only.
21577         * doc/invoke.texi (Option Summary): Remove all references to
21578         -fipa-cp-alignment.
21579
21580 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
21581
21582         PR target/78660
21583         Revert:
21584         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21585
21586         * lra-constraints.c (curr_insn_transform): Handle
21587         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21588
21589 2017-02-21  Martin Liska  <mliska@suse.cz>
21590
21591         * config/i386/i386.opt: Replace -masm-dialect with -masm.
21592
21593 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
21594
21595         PR translation/79638
21596         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
21597
21598 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
21599
21600         PR ada/67205
21601         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
21602         (arm_function_ok_for_sibcall): Return false for an indirect call by
21603         descriptor if all the argument registers are used.
21604         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
21605         alignment of the function.
21606
21607 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21608
21609         PR tree-optimization/61441
21610         * simplify-rtx.c (simplify_const_unary_operation): For
21611         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
21612         the sNaN unmodified.
21613
21614 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21615
21616         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
21617         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
21618         instead of SYSTEM_HEADER_DIR.
21619
21620 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
21621             Martin Liška  <mliska@suse.cz>
21622
21623         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
21624         Fix typos and grammar, use active voice, and clarify.
21625
21626 2017-02-20  Marek Polacek  <polacek@redhat.com>
21627
21628         PR middle-end/79537
21629         * gimplify.c (gimplify_expr): Handle unused *&&L;.
21630
21631         PR sanitizer/79558
21632         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
21633
21634 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
21635
21636         PR target/79568
21637         * config/i386/i386.c (ix86_expand_builtin): Handle
21638         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
21639         ix86_builtins_isa[fcode].isa as a requirement of those
21640         flags and any other flag in the bitmask.
21641         (ix86_init_mmx_sse_builtins): Use 0 instead of
21642         ~OPTION_MASK_ISA_64BIT as mask.
21643         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
21644         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
21645         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
21646         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
21647
21648 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21649
21650         PR target/78012
21651         * lra-constraints.c (split_reg): Check requested split mode
21652         is supported by the register.
21653
21654 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21655
21656         * lra-constraints.c (simplify_operand_subreg): Remove early
21657         return false.
21658
21659 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21660
21661         PR target/78660
21662         * lra-constraints.c (curr_insn_transform): Tighten condition
21663         for converting SUBREG reloads from OP_OUT to OP_INOUT.
21664
21665 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21666
21667         PR target/78660
21668         * lra-constraints.c (curr_insn_transform): Handle
21669         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21670
21671 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
21672
21673         Revert:
21674         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
21675
21676         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
21677
21678 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
21679
21680         PR c++/69523
21681         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
21682         description.
21683
21684 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
21685
21686         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
21687         for FMA_EXPR.
21688
21689 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
21690
21691         * final.c (last_columnnum, override_columnnum): New variables.
21692         (final_start_function): Set last_columnnum, pass it to begin_prologue
21693         hook and pass 0 to dwarf2out_begin_prologue.
21694         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
21695         to source_line debug hook.
21696         (notice_source_line): Compute last_columnnum and for debug_column_info
21697         return true on column changes.
21698         * debug.h (struct gcc_debug_hooks): Add column argument to
21699         source_line and begin_prologue hooks.
21700         (debug_nothing_int_charstar_int_bool): Remove prototype.
21701         (debug_nothing_int_int_charstar,
21702         debug_nothing_int_int_charstar_int_bool): New prototypes.
21703         (dwarf2out_begin_prologue): Add column argument.
21704         * debug.c (do_nothing_debug_hooks): Adjust source_line and
21705         begin_prologue hooks.
21706         (debug_nothing_int_charstar_int_bool): Remove.
21707         (debug_nothing_int_int_charstar,
21708         debug_nothing_int_int_charstar_int_bool): New functions.
21709         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
21710         through to dwarf2out_source_line.
21711         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
21712         (dwarf2out_source_line): Add column argument, emit it if requested.
21713         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
21714         arguments.
21715         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
21716         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
21717         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
21718         through to dwarf2out_begin_prologue.
21719         (vmsdbgout_source_line): Add column argument, pass it through to
21720         dwarf2out_source_line.
21721         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
21722         dbxout_source_line caller.
21723         (dbxout_source_line): Add column argument.
21724
21725         * common.opt (gno-column-info, gcolumn-info): New options.
21726         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
21727         (check_die): Also test for multiple DW_AT_decl_column attributes.
21728         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
21729         DW_AT_decl_column if requested.
21730         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
21731         if requested.
21732         (gen_variable_die): Likewise.
21733         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
21734         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
21735
21736         PR target/79569
21737         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
21738         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
21739         (ix86_handle_option): Handle OPT_m3dnowa.
21740         * doc/invoke.texi (-m3dnowa): Document.
21741         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
21742         -m3dnowa instead of -m3dnow -march=athlon.
21743
21744         PR target/79559
21745         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
21746         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
21747
21748 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21749
21750         PR target/79261
21751         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
21752         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
21753         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
21754         generator for vsx_xxpermdi_<mode>_be.
21755         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
21756         force big-endian semantics.
21757         (vsx_xxpermdi_<mode>_be): New define_expand with same
21758         implementation as previous version of vsx_xxpermdi_<mode>.
21759
21760 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
21761
21762         PR tree-optimization/79327
21763         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
21764         variable, its initialization and use.
21765
21766 2017-02-17  Julia Koval  <julia.koval@intel.com>
21767
21768         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
21769         (OPTION_MASK_ISA_PKU_UNSET): New.
21770         (ix86_handle_option): Handle -mrdpid.
21771         * config/i386/cpuid.h (bit_RDPID): New.
21772         * config/i386/driver-i386.c (host_detect_local_cpu):
21773         Detect RDPID feature.
21774         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
21775         * config/i386/i386-c.c (ix86_target_macros_internal):
21776         Handle RDPID flag.
21777         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
21778         (ix86_valid_target_attribute_inner_p): Add "rdpid".
21779         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
21780         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
21781         * config/i386/i386.md (define_insn "rdpid"): New.
21782         * config/i386/i386.opt Add -mrdpid.
21783         * config/i386/immintrin.h (_rdpid_u32): New.
21784
21785 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
21786
21787         PR rtl-optimization/79541
21788         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
21789         instead of transforming it into USE.
21790
21791 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
21792
21793         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
21794         If HONOR_SNANS (SFmode) force the input to a register.
21795         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
21796         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
21797         an frsp or similar insn.
21798
21799 2017-02-17  Martin Liska  <mliska@suse.cz>
21800
21801         PR rtl-optimization/79577
21802         * params.def (selsched-max-sched-times): Increase minimum to 1.
21803
21804 2017-02-17  Martin Liska  <mliska@suse.cz>
21805
21806         PR rtl-optimization/79574
21807         * gcse.c (want_to_gcse_p): Prevent integer overflow.
21808
21809 2017-02-17  Martin Liska  <mliska@suse.cz>
21810
21811         PR tree-optimization/79529
21812         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
21813         ssa_defined_default_def_p to handle cases which are implicitly
21814         defined.
21815         * tree-ssa.c (ssa_defined_default_def_p): New function.
21816         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
21817         which are implicitly defined.
21818         * tree-ssa.h (ssa_defined_default_def_p): Declare.
21819
21820 2017-02-17  Richard Biener  <rguenther@suse.de>
21821
21822         PR middle-end/79576
21823         * params.def (max-ssa-name-query-depth): Limit to 10.
21824
21825 2017-02-17  Richard Biener  <rguenther@suse.de>
21826
21827         PR tree-optimization/79552
21828         * tree-ssa-structalias.c (visit_loadstore): Properly verify
21829         default defs.
21830
21831 2017-02-17  Richard Biener  <rguenther@suse.de>
21832
21833         PR bootstrap/79567
21834         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
21835
21836 2017-02-17  Marek Polacek  <polacek@redhat.com>
21837
21838         PR middle-end/79536
21839         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
21840         (fold_negate_expr): New wrapper.
21841
21842 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
21843
21844         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
21845         Correct terminology and de-emphasize pre-standard behavior.
21846
21847 2017-02-16  Alan Modra  <amodra@gmail.com>
21848
21849         PR rtl-optimization/79286
21850         * ira.c (def_dominates_uses): New function.
21851         (update_equiv_regs): Don't create an equivalence for insns that
21852         may trap where the register def does not dominate the use.
21853
21854 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
21855
21856         PR rtl-optimization/78127
21857         * lra.c (lra): Call lra_eliminate before finish the loop after
21858         lra_constraint.
21859
21860 2017-02-16  Richard Biener  <rguenther@suse.de>
21861
21862         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
21863         isl/isl_val.h.
21864         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
21865         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
21866         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
21867         (isl_val_int_from_wi): New function.
21868         (extract_affine_gmp): Rename to ...
21869         (extract_affine_wi): ... this, take a widest_int.
21870         (extract_affine_int): Just wrap extract_affine_wi.
21871         (add_param_constraints): Use isl_val_int_from_wi.
21872         (add_loop_constraints): Likewise, and extract_affine_wi.
21873
21874 2017-02-15  Jeff Law  <law@redhat.com>
21875
21876         PR middle-end/79521
21877         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
21878         ira_init_register_move_cost_if_necessary.
21879
21880 2017-02-15  Martin Sebor  <msebor@redhat.com>
21881
21882         PR middle-end/32003
21883         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
21884         removed in a prior commit.
21885
21886 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
21887
21888         PR tree-optimization/79347
21889         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
21890         counters during peeling.
21891
21892 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
21893
21894         * Makefile.in (site.exp): Remove "set ISLVER".
21895
21896 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
21897
21898         PR target/79487
21899         * real.c (real_from_integer): Call real_convert even for decimal.
21900
21901 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
21902
21903         PR target/79421
21904         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
21905
21906 2017-02-14  Andrew Pinski  <apinski@cavium.com>
21907
21908         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
21909         cores and change the partno/implementer to be correct.
21910         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
21911         the 'B" as the implementer.
21912         * config/aarch64/aarch64-tune.md: Regenerate.
21913
21914 2017-02-14  Carl Love  <cel@us.ibm.com>
21915
21916         * config/rs6000/rs6000.c: Add case statement entry to make the
21917         xvcvuxdsp built-in argument unsigned.
21918         * config/rs6000/vsx.md: Fix the source and return operand types so they
21919         match the instruction definitions from the ISA document.  Fix typo
21920         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
21921         statement.
21922
21923 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
21924
21925         PR target/79282
21926         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
21927         member early_clobber_alts.
21928         * lra-lives.c (reg_early_clobber_p): New.
21929         (process_bb_lives): Use it.
21930         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
21931         (debug_operand_data): Initialize early_clobber_alts.
21932         (setup_operand_alternative): Set up early_clobber_alts.
21933         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
21934         alternatives to new_insn_reg.
21935         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
21936         it.
21937         (lra_update_insn_regno_info): Pass the new arg.
21938
21939 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
21940
21941         PR middle-end/79505
21942         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
21943         (new_oacc_loop_raw): Don't clear already cleared fields.
21944
21945         PR target/79481
21946         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
21947         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
21948         _mm512_prefetch_i64gather_ps): New inline functions and macros.
21949
21950 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
21951
21952         PR target/79495
21953         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
21954
21955 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
21956
21957         PR target/79498
21958         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
21959         the extra instruction to the right place to store 128-bit constant
21960         when needed.
21961
21962 2017-02-14  Martin Sebor  <msebor@redhat.com>
21963
21964         PR middle-end/79448
21965         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
21966           warning for strings of unknown length.
21967
21968 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
21969
21970         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
21971
21972 2017-02-14  Jeff Law  <law@redhat.com>
21973
21974         PR target/79404
21975         * ira-costs.c (scan_one_insn): Initialize register move costs
21976         for pseudos seen in USE/CLOBBER insns.
21977
21978         PR tree-optimization/79095
21979         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
21980         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
21981         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
21982         if the operands are known to be not equal, then the resulting range
21983         is ~[0,0].
21984         (intersect_ranges): If the new range is ~[0,0] and the old range is
21985         wide, then prefer ~[0,0].
21986         * tree-vrp.c (overflow_comparison_p_1): New function.
21987         (overflow_comparison_p): New function.
21988         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
21989         if NAME is used in an overflow test.
21990         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
21991         overflow check that can be expressed as an equality test, then adjust
21992         ops to be that equality test.
21993
21994 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21995
21996         * config/s390/s390-builtin-types.def: Remove flags argument.
21997         * config/s390/s390.c (s390_init_builtins): Likewise.
21998
21999 2017-02-14  Martin Liska  <mliska@suse.cz>
22000
22001         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
22002         vector.  Fix trailing white spaces.
22003
22004 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
22005
22006         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
22007         HFmode.
22008
22009 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22010
22011         PR rtl-optimization/68664
22012         * config/arm/arm.c (arm_sched_can_speculate_insn):
22013         New function.  Declare prototype.
22014         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22015
22016 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22017
22018         PR rtl-optimization/68664
22019         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
22020         New function.
22021         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22022
22023 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
22024
22025         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
22026         max skip bytes for function, loop and jump.
22027
22028 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22029
22030         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
22031         ABS_EXPR for gimple dump.
22032
22033 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22034
22035         PR target/79462
22036         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
22037
22038         PR tree-optimization/79408
22039         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
22040         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
22041         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
22042         also if rhs1 is INTEGER_CST.
22043
22044 2017-02-14  Richard Biener  <rguenther@suse.de>
22045
22046         PR middle-end/79432
22047         * tree-into-ssa.c (insert_phi_nodes): When the function can
22048         have abnormal edges rewrite SSA names with broken use-def
22049         dominance out of SSA and register them for PHI insertion.
22050
22051 2017-02-13  Martin Sebor  <msebor@redhat.com>
22052
22053         PR middle-end/79496
22054         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
22055         clearing info.nowrite flag when snprintf size argument is a range.
22056
22057 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22058
22059         * cprop.c (cprop_jump): Add missing space in string literal.
22060         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
22061         (get_constraint_for_component_ref): Likewise.
22062         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
22063         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
22064         * lra-constraints.c (process_alt_operands): Likewise.
22065         * ipa-inline.c (inline_small_functions): Likewise.
22066         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
22067         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
22068         * trans-mem.c (diagnose_tm_1_op): Likewise.
22069         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
22070         (grid_parallel_clauses_gridifiable): Likewise.
22071
22072         * config/nvptx/mkoffload.c (process): Add space in between
22073         , and %d.
22074
22075         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
22076         "MOD4_SSE_REGS" and "ALL_REGS".
22077
22078         * spellcheck.c (test_data): Add , in between "foo" and "food".
22079
22080 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22081
22082         PR target/79449
22083         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
22084         boundary crossing check and subsequent code generation agree.
22085
22086 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22087
22088         * config/aarch64/aarch64.c (has_memory_op): Delete.
22089         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
22090         has_memory_op.
22091
22092 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22093
22094         PR rtl-optimization/79388
22095         PR rtl-optimization/79450
22096         * combine.c (distribute_notes): When removing TEM_INSN for which
22097         corresponding dest has last value recorded, invalidate that last
22098         value.
22099
22100 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22101
22102         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
22103         of explicit '@'.  Add missing assembly comment marker on branch costs
22104         printout.
22105
22106 2017-02-13  Nathan Sidwell  <nathan@acm.org>
22107
22108         * gengtype-lex.l (<in_struct>): Add '/'.
22109
22110 2017-02-13  Martin Liska  <mliska@suse.cz>
22111
22112         PR c/79471
22113         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
22114
22115 2017-02-13  Richard Biener  <rguenther@suse.de>
22116
22117         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
22118         Remove.
22119         * configure: Re-generate.
22120         * config.in: Likewise.
22121         * graphite-dependences.c: Simplify as if
22122         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
22123         * graphite-isl-ast-to-gimple.c: Likewise.
22124         * graphite-optimize-isl.c: Likewise.
22125         * graphite-poly.c: Likewise.
22126         * graphite-sese-to-poly.c: Likewise.
22127         * graphite.h: Likewise.
22128         * toplev.c: Include isl/version.h and use isl_version () for
22129         printing the ISL version.
22130         * doc/install.texi: Update ISL requirement.
22131
22132 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22133
22134         * doc/standards.texi (Standards): Update reference to
22135         Objective-C 2.0.
22136
22137 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22138
22139         * doc/extend.texi (Named Address Spaces): sourceware.org now
22140         defaults to https.
22141         * doc/install.texi (Binaries): Ditto.
22142         (Specific): Ditto.
22143
22144 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22145
22146         * doc/cpp.texi: Replace "stringify"/"stringification" with C
22147         standard terminology "stringize"/"stringizing" throughout.
22148         * doc/cppinternals.texi: Likewise.
22149
22150 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22151
22152         * doc/extend.texi: Fix some spelling mistakes and typos.
22153         * doc/invoke.texi: Likewise.
22154
22155 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22156
22157         PR ipa/79224
22158         * params.def (inline-min-speedup) Change from 10 to 8.
22159
22160 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22161
22162         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
22163         4.5.
22164
22165 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22166
22167         PR ipa/79224
22168         * ipa-inline-analysis.c (get_minimal_bb): New function.
22169         (record_modified): Use it.
22170         (remap_edge_change_prob): Handle also ancestor functions.
22171
22172 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
22173
22174         * doc/contrib.texi (Contributors): Remove broken link into
22175         the Mauve CVS repository.
22176
22177 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22178
22179         PR middle-end/79454
22180         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
22181         result computation whenever lhs doesn't have vector mode, not
22182         just when it has BLKmode.
22183
22184 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22185
22186         * doc/makefile.texi (profiledbootstrap): Refer to the
22187         installation instructions only in textual form.
22188
22189 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22190
22191         PR target/79295
22192         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
22193
22194 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22195
22196         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
22197         (Specific): Update mingw-w64 reference.
22198         (Binaries): Ditto.
22199         (Specific): Remove broken link to Renesas RX processor.
22200
22201 2017-02-10  Richard Biener  <rguenther@suse.de>
22202
22203         * toplev.c (process_options): Do not mention obsolete graphite
22204         options when printing sorry message about missing graphite support.
22205         Mention -floop-nest-optimize.
22206
22207 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
22208
22209         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
22210         (vtst_p16): Likewise.
22211         (vtstq_p8): Likewise.
22212         (vtstq_p16): Likewise.
22213         (vtst_p64): New.
22214         (vtstq_p64): Likewise.
22215         * config/arm/arm_neon.h (vgetq_lane_p64): New.
22216         (vset_lane_p64): New.
22217         (vsetq_lane_p64): New.
22218
22219 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
22220
22221         PR tree-optimization/79411
22222         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
22223         stmt operands are SSA_NAMEs used in abnormal phis.
22224         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
22225         phis.
22226
22227 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22228
22229         PR ipa/70795
22230         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
22231         flag if needed.
22232
22233 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22234
22235         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
22236
22237 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
22238
22239         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
22240         to avoid warning.
22241
22242         PR c/79413
22243         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
22244         not arbitrary TREE_CONSTANT.
22245
22246         PR c/79431
22247         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
22248         "omp declare target link" attribute unless is_global_var.
22249         * omp-offload.c (find_link_var_op): Likewise.
22250
22251 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
22252             Chung-Lin Tang  <cltang@codesourcery.com>
22253
22254         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
22255         OMP_CLAUSE_TILE.
22256         (gimplify_adjust_omp_clauses): Don't delete TILE.
22257         (gimplify_omp_for): Deal with TILE.
22258         * internal-fn.c (expand_GOACC_TILE): New function.
22259         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
22260         (GOACC_TILE): New.
22261         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
22262         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
22263         element fields.
22264         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
22265         avoid DIV for outermost collapse var.
22266         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
22267         Remove out of date comments, fix whitespace.
22268         * omp-general.c (omp_extract_for_data): Deal with tiling.
22269         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
22270         adjust OLF_DIM_BASE value.
22271         (struct omp_for_data): Add tiling field.
22272         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
22273         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
22274         for auto loops.  Remove default auto determining, moved to
22275         oacc_loop_fixed_partitions.
22276         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
22277         stmts, add e_mask field.
22278         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
22279         (oacc_thread_numbers): Use oacc_dim_call.
22280         (oacc_xform_tile): New.
22281         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
22282         (finish_oacc_loop): Adjust for ifns vector.
22283         (oacc_loop_discover_walk): Append loop abstraction sites to list,
22284         add case for GOACC_TILE fns.
22285         (oacc_loop_xform_loop): Delete.
22286         (oacc_loop_process): Iterate over call list directly, and add
22287         handling for GOACC_TILE fns.
22288         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
22289         dump partitioning.
22290         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
22291         vector partitioning to outer loops.  Assign 2 partitions to loops
22292         when available. Add TILE handling.
22293         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
22294         (execite_oacc_device_lower): Process GOACC_TILE fns,
22295         ignore unknown specs.
22296         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
22297         * tree.c (omp_clause_num_ops): Adjust TILE ops.
22298         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
22299
22300 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
22301
22302         * configure.ac (ACX_BUGURL): Update.
22303         * configure: Regenerate.
22304
22305 2017-02-09  Richard Biener  <rguenther@suse.de>
22306
22307         PR tree-optimization/69823
22308         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
22309         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
22310
22311 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22312
22313         * config/arc/arc-c.def: Add __NPS400__ definition.
22314         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
22315         (TARGET_NPS400): Define.
22316
22317 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22318
22319         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
22320         file.
22321         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
22322         pointer, arch_info.
22323         (arc_cpu_types): Fill the arch_info field with a pointer into the
22324         arc_arch_types table.
22325         (arc_selected_cpu): Declare.
22326         * config/arc/arc.c (arc_selected_cpu): Make global.
22327         (arc_selected_arch): Delete.
22328         (arc_base_cpu): Delete.
22329         (arc_override_options): Remove references to deleted variables,
22330         update access to arch information.
22331         (ARC_OPT): Update access to arch information.
22332         (ARC_OPTX): Likewise.
22333         * config/arc/arc.h (arc_base_cpu): Remove declaration.
22334         (TARGET_ARC600): Update access to arch information.
22335         (TARGET_ARC601): Likewise.
22336         (TARGET_ARC700): Likewise.
22337         (TARGET_EM): Likewise.
22338         (TARGET_HS): Likewise.
22339         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
22340         information.
22341
22342 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
22343
22344         PR target/78604
22345         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
22346         condition/operands for integer GE/LE/GEU/LEU operations.
22347
22348 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
22349
22350         PR translation/79397
22351         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
22352         of AltiVec.
22353
22354 2017-02-08  Martin Jambor  <mjambor@suse.cz>
22355
22356         PR ipa/79375
22357         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
22358         whether allocation happened.
22359         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
22360         nothing was allocated.
22361
22362 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
22363
22364         PR tree-optimization/79408
22365         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
22366         constant, but SSA_NAME with a known integer range, use the minimum
22367         of that range instead of op1 to determine if modulo can be replaced
22368         with its first operand.
22369
22370 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22371
22372         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
22373
22374 2017-02-08  Richard Biener  <rguenther@suse.de>
22375
22376         PR tree-optimization/71824
22377         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22378         Check all loops contained in the merged region.
22379
22380 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22381
22382         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
22383
22384 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22385
22386         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
22387         (thunderxt88): Likewise.
22388         (thunderxt81): Disable LSE and change v8.1 to v8.
22389         (thunderxt83): Likewise.
22390
22391 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22392             Richard Biener  <rguenther@suse.de>
22393
22394         PR middle-end/79399
22395         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
22396         type from int to size_t.
22397         * ira-costs.c (struct_costs_size): Change type from int to size_t.
22398
22399 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22400
22401         PR rtl-optimization/79386
22402         * cprop.c (bypass_conditional_jumps): Initialize
22403         bypass_last_basic_block already before splitting bbs after
22404         unconditional traps...
22405         (bypass_conditional_jumps): ... rather than here.
22406
22407         PR target/79299
22408         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
22409         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
22410         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
22411         fix -masm=intel patterns.
22412
22413 2017-02-07  Richard Biener  <rguenther@suse.de>
22414
22415         PR tree-optimization/79256
22416         PR middle-end/79278
22417         * builtins.c (get_object_alignment_2): Use min_align_of_type
22418         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
22419         and ADJUST_FIELD_ALIGN.
22420
22421         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
22422         type parameter.
22423         * doc/tm.texi: Regenerate.
22424         * stor-layout.c (layout_decl): Adjust.
22425         (update_alignment_for_field): Likewise.
22426         (place_field): Likewise.
22427         (min_align_of_type): Likewise.
22428         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
22429         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
22430         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
22431         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
22432         * config/frv/frv.c (frv_adjust_field_align): Likewise.
22433         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
22434         * config/i386/i386.c (x86_field_alignment): Likewise.
22435         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
22436         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
22437         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
22438         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
22439         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
22440         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
22441          Likewise.
22442
22443         Revert
22444         2017-01-30  Richard Biener  <rguenther@suse.de>
22445
22446         PR tree-optimization/79256
22447         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
22448         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
22449         alignment on TYPE.
22450
22451 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
22452
22453         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
22454         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
22455         builtins to SImode and emit a zero-extend, if necessary.
22456
22457 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22458
22459         * docs/invoke.texi (RISC-V Options): Alphabetize.
22460
22461 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22462
22463         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
22464         options.
22465
22466 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
22467
22468         * config/riscv/riscv.c: New file.
22469         * common/config/riscv/riscv-common.c: Likewise.
22470         * config.gcc: Likewise.
22471         * config/riscv/constraints.md: Likewise.
22472         * config/riscv/elf.h: Likewise.
22473         * config/riscv/generic.md: Likewise.
22474         * config/riscv/linux.h: Likewise.
22475         * config/riscv/multilib-generator: Likewise.
22476         * config/riscv/peephole.md: Likewise.
22477         * config/riscv/pic.md: Likewise.
22478         * config/riscv/predicates.md: Likewise.
22479         * config/riscv/riscv-builtins.c: Likewise.
22480         * config/riscv/riscv-c.c: Likewise.
22481         * config/riscv/riscv-ftypes.def: Likewise.
22482         * config/riscv/riscv-modes.def: Likewise.
22483         * config/riscv/riscv-opts.h: Likewise.
22484         * config/riscv/riscv-protos.h: Likewise.
22485         * config/riscv/riscv.h: Likewise.
22486         * config/riscv/riscv.md: Likewise.
22487         * config/riscv/riscv.opt: Likewise.
22488         * config/riscv/sync.md: Likewise.
22489         * config/riscv/t-elf-multilib: Likewise.
22490         * config/riscv/t-linux: Likewise.
22491         * config/riscv/t-linux-multilib: Likewise.
22492         * config/riscv/t-riscv: Likewise.
22493         * configure.ac: Likewise.
22494         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
22495         Waterman as RISC-V maintainers.
22496         * doc/install.texi: Add RISC-V entries.
22497         * doc/invoke.texi: Add RISC-V options section.
22498         * doc/md.texi: Add RISC-V constraints section.
22499         * configure: Regenerated.
22500
22501 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
22502
22503         PR target/66144
22504         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
22505         false values to be constant vectors with all 0 or all 1 bits set.
22506         (vcondu<mode><mode>): Likewise.
22507         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
22508         predicate.
22509         (fpmask_comparison_operator): Update comment.
22510         (vecint_comparison_operator): New predicate.
22511         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
22512         vector conditionals when the true and false values are constant
22513         vectors with all 0 bits or all 1 bits set.
22514
22515 2017-02-06  Martin Sebor  <msebor@redhat.com>
22516
22517         PR  tree-optimization/79376
22518         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
22519
22520 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
22521
22522         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
22523         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
22524         to simplify split condition.
22525
22526 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22527
22528         * omp-expand.c (oxpand_omp_atomic_fetch_op,
22529         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
22530         false.
22531
22532 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
22533
22534         PR rtl-optimization/68664
22535         * target.def (can_speculate_insn): New hook.
22536         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
22537         * doc/tm.texi: Regenerate.
22538         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
22539         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
22540         (rs6000_sched_can_speculate_insn): New function.
22541
22542 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22543
22544         PR tree-optimization/79284
22545         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
22546         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
22547         vectorizable_mask_load_store, vectorizable_operation,
22548         vect_is_simple_cond, get_same_sized_vectype): Use it instead
22549         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
22550         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
22551         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
22552         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
22553         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
22554         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
22555         is_gimple_assign (stmt).  Replace another such test with
22556         is_gimple_assign (stmt).
22557
22558 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22559
22560         PR target/78883
22561         * config/avr/avr.c (rtl-iter.h): Include it.
22562         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
22563         (avr_legitimate_combined_insn): ...and implementation.
22564
22565 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22566
22567         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
22568         * config/s390/s390.c (s390_const_operand_ok)
22569         (s390_canonicalize_comparison, s390_extract_part)
22570         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
22571         (s390_contiguous_bitmask_p, s390_rtx_costs)
22572         (legitimize_pic_address): Likewise.
22573         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
22574         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
22575         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
22576         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
22577         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
22578
22579 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22580
22581         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
22582         REGNO($0) == REGNO($1).
22583
22584 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22585
22586         * config/s390/linux.h(SIZE_TYPE): Add comment.
22587
22588 2017-02-06  Julian Brown  <julian@codesourcery.com>
22589             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22590             Virendra Pathak  <virendra.pathak@broadcom.com>
22591
22592         * config/aarch64/aarch64-cores.def: Change the scheduler
22593         to Thunderx2t99.
22594         * config/aarch64/aarch64.md: Include thunderx2t99.md.
22595         * config/aarch64/thunderx2t99.md: New file.
22596
22597 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22598
22599         * doc/standards.texi (Go Language): Update link to language
22600         standard.
22601
22602 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22603
22604         * tree-eh.c (lower_resx): Sanitize profile.
22605         (cleanup_empty_eh_move_lp): Likewise.
22606
22607 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22608
22609         PR tree-ssa/79347
22610         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
22611         ELSE_PROB.
22612         * cfgloopmanip.h (loop_version): Update prototype.
22613         * modulo-sched.c (sms_schedule): Update call of loop_version.
22614         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
22615         * tree-parloops.c (gen_parallel_loop): Likewise.
22616         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
22617         * tree-ssa-loop-split.c (split_loop): Likewise.
22618         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
22619         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
22620
22621 2017-02-05  Martin Liska  <mliska@suse.cz>
22622
22623         PR bootstrap/78985
22624         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
22625         variable to NULL.
22626         (print_operand_address): Initialize a struct to zero.
22627
22628 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22629
22630         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
22631         garbage collector only in textual form.
22632
22633 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22634
22635         * doc/extend.texi (x86 specific memory model extensions for
22636         transactional memory): Simplify a phrase.
22637
22638 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
22639
22640         PR target/79353
22641         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
22642         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
22643         (atomic_storedi_1): Likewise.
22644
22645 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
22646
22647         PR tree-optimization/79338
22648         * tree-parloops.c (gather_scalar_reductions): Don't call
22649         vect_analyze_loop_form for loop->inner before destroying loop's
22650         loop_vinfo.
22651
22652 2017-02-03  Martin Sebor  <msebor@redhat.com>
22653
22654         PR tree-optimization/79327
22655         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
22656         when precision has resulted in leading zeros.
22657         (format_integer): Adjust the likely counter to assume an unknown
22658         argument that may be zero is non-zero.
22659
22660 2017-02-03  Jason Merrill  <jason@redhat.com>
22661
22662         PR c++/78689
22663         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
22664         avoid copying non-taken branch.
22665
22666 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22667
22668         PR tree-optimization/79340
22669         * tree-vect-loop.c (vectorizable_reduction): Release
22670         vec_defs elements after safe_splicing them into other vectors.
22671         Formatting fixes.
22672
22673         PR tree-optimization/79327
22674         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
22675         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
22676         dirtype.
22677         (format_integer): Use wide_int_to_tree instead of build_int_cst
22678         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
22679         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
22680         of shortest and longest sequence.
22681
22682 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
22683
22684         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
22685         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
22686
22687 2017-02-03  Walter Lee  <walt@tilera.com>
22688
22689         PR target/78862
22690         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
22691         after initial stackframe link reg save.
22692         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
22693
22694 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22695
22696         PR target/79354
22697         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
22698         wu for stxssp alternative.
22699
22700 2017-02-03  Martin Sebor  <msebor@redhat.com>
22701
22702         PR tree-optimization/79352
22703         * gimple-fold.c (get_range_strlen): Add argument.
22704         (get_range_strlen): Change return type to bool.
22705         (get_maxval_strlen): Pass in a dummy argument.
22706         * gimple-fold.h (get_range_strlen): Change return type to bool.
22707         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
22708         * tree.h (array_at_struct_end_p): Add argument.
22709         * tree.c (array_at_struct_end_p): Handle it.
22710
22711 2017-02-03  Martin Liska  <mliska@suse.cz>
22712
22713         PR lto/66295
22714         * multiple_target.c (create_dispatcher_calls): Redirect edge
22715         from a caller of a dispatcher.
22716         (expand_target_clones): Make the clones local.
22717         (ipa_target_clone): Do both target clones and resolvers.
22718         (ipa_dispatcher_calls): Remove the pass.
22719         (pass_dispatcher_calls::gate): Likewise.
22720         (make_pass_dispatcher_calls): Likewise.
22721         * passes.def (pass_target_clone): Put as very first IPA early
22722         pass.
22723
22724 2017-02-03  Martin Liska  <mliska@suse.cz>
22725
22726         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
22727         in case of a function with ifunc attribute.
22728
22729 2017-02-03  Martin Liska  <mliska@suse.cz>
22730
22731         * cgraph.c (cgraph_node::dump): Dump function version info.
22732         * symtab.c (symtab_node::dump_base): Add missing new line.
22733
22734 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
22735
22736         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
22737         (ifcombine_ifandif): Use it.
22738
22739 2017-02-03  Martin Liska  <mliska@suse.cz>
22740
22741         * doc/invoke.texi: Document default value for
22742         use-after-scope-direct-emission-threshold.
22743
22744 2017-02-03  Martin Liska  <mliska@suse.cz>
22745
22746         PR tree-optimization/79339
22747         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
22748         (format_floating): Likewise.
22749
22750 2017-02-03  Martin Liska  <mliska@suse.cz>
22751
22752         PR ipa/79337
22753         * ipa-prop.c (ipa_node_params_t::insert): Remove current
22754         implementation.
22755         (ipa_node_params_t::remove): Likewise.
22756         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
22757         initialization from removed ipa_node_params_t::insert.
22758         (ipa_node_params::~ipa_node_params): Move from removed
22759         ipa_node_params_t::release.
22760         * symbol-summary.h (symbol_summary::m_released): New member.
22761         Do not release a summary twice.  Do not allow to call finalizer
22762         for types of a summary that live in GGC memory.
22763
22764 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22765
22766         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
22767         cmp_branch fusion.
22768
22769 2017-02-02  Martin Sebor  <msebor@redhat.com>
22770
22771         PR middle-end/79275
22772         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
22773         (format_string): Tighten up the range of output for non-constant
22774         strings and correct the expected range for wide non-constant strings.
22775
22776 2017-02-02  Martin Sebor  <msebor@redhat.com>
22777
22778         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
22779
22780         PR middle-end/32003
22781         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
22782         index.
22783         (-fdump-tree-@var): Add to index and document how to come up
22784         with pass-specific option and dump file names.
22785         (-fdump-passes): Clarify where to look for output.
22786
22787 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
22788
22789         PR middle-end/77445
22790         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
22791         statistics of the analyzed path; allow threading for speed when
22792         any of BBs along the path are optimized for speed.
22793
22794 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
22795
22796         PR middle-end/78468
22797         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
22798         settings of the virtual registers.
22799
22800         Revert again
22801         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22802
22803         * explow.c (get_dynamic_stack_size): Take known alignment of stack
22804         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
22805         needed.
22806
22807 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22808
22809         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
22810         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
22811
22812 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22813
22814         * config/s390/s390.md: Add missing comments with the expanded
22815         mnemonics.
22816         * config/s390/vector.md: Likewise.
22817         * config/s390/vx-builtins.md: Likewise.
22818
22819 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
22820
22821         PR target/79197
22822         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
22823         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
22824         conditions on a single line.
22825
22826 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22827
22828         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
22829         __S390_VX__ to __VX__.
22830
22831 2017-02-01  Andrew Pinski  <apinski@cavium.com>
22832
22833         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
22834         stmt_info to record_stmt_cost.
22835         (vect_get_known_peeling_cost): Pass stmt_info if known to
22836         record_stmt_cost.
22837         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
22838         cpu_vector_cost field into
22839         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
22840         field into vec_int_stmt_cost and vec_fp_stmt_cost.
22841         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
22842         splitting of scalar_stmt_cost and vec_stmt_cost.
22843         (thunderx_vector_cost): Likewise.
22844         (cortexa57_vector_cost): LIkewise.
22845         (exynosm1_vector_cost): Likewise.
22846         (xgene1_vector_cost): Likewise.
22847         (thunderx2t99_vector_cost): Improve after the splitting of the two
22848         fields.
22849         (aarch64_builtin_vectorization_cost): Update for the splitting of
22850         scalar_stmt_cost and vec_stmt_cost.
22851
22852 2017-02-01  Torvald Riegel  <triegel@redhat.com>
22853             Richard Henderson  <rth@redhat.com>
22854
22855         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
22856         conditional on existance of a fast atomic load.
22857         * optabs-query.c (can_atomic_load_p): New function.
22858         * optabs-query.h (can_atomic_load_p): Declare it.
22859         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
22860         no fast atomic load is available for the particular size of access.
22861         (expand_atomic_compare_and_swap): Likewise.
22862         (expand_atomic_load): Likewise.
22863         (expand_atomic_store): Likewise.
22864         (expand_atomic_fetch_op): Likewise.
22865         * testsuite/lib/target-supports.exp
22866         (check_effective_target_sync_int_128): Remove x86 because it provides
22867         no fast atomic load.
22868         (check_effective_target_sync_int_128_runtime): Likewise.
22869
22870 2017-02-01  Richard Biener  <rguenther@suse.de>
22871
22872         * graphite.c: Include tree-vectorizer.h for find_loop_location.
22873         (graphite_transform_loops): Provide opt-info for optimized nests.
22874         * tree-parloop.c (parallelize_loops): Provide opt-info for
22875         parallelized loops.
22876
22877 2017-02-01  Richard Biener  <rguenther@suse.de>
22878
22879         PR middle-end/79315
22880         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
22881         was not set before.
22882
22883 2017-02-01  Richard Biener  <rguenther@suse.de>
22884
22885         PR tree-optimization/71824
22886         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22887         Verify the loops are valid in the merged SESE region.
22888         (scop_detection::can_represent_loop_1): Check analyzing the
22889         evolution of the number of iterations in the region succeeds.
22890
22891 2017-01-31  Ian Lance Taylor  <iant@golang.org>
22892
22893         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
22894         REG_ARGS_SIZE note to 32-bit push insns and call insn.
22895
22896 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
22897
22898         PR preprocessor/79210
22899         * input.c (get_substring_ranges_for_loc): Replace line_width
22900         assertion with error-handling.
22901
22902 2017-01-31  Richard Biener  <rguenther@suse.de>
22903
22904         PR tree-optimization/77318
22905         * graphite-sese-to-poly.c (extract_affine): Fix assert.
22906         (create_pw_aff_from_tree): Take loop parameter.
22907         (add_condition_to_pbb): Pass loop of the condition to
22908         create_pw_aff_from_tree.
22909
22910 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
22911
22912         * config/s390/s390.c (s390_asan_shadow_offset): New function.
22913         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
22914
22915 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
22916
22917         PR target/78597
22918         PR target/79038
22919         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
22920         no longer used.
22921         (convert_int_to_float128): Likewise.
22922         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
22923         (convert_int_to_float128): Likewise.
22924         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
22925         (UNSPEC_IEEE128_CONVERT): Likewise.
22926         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
22927         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
22928         Use local variables for IBM extended format.
22929         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
22930         (fix_trunc<mode>si2_fprs): Likewise.
22931         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
22932         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
22933         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
22934         to know that we can now have integers of all sizes in vector
22935         registers.
22936         (fix<uns>_<mode>di2_hw): Likewise.
22937         (float<uns>_<mode>si2_hw): Likewise.
22938         (fix_<mode>si2_hw): Likewise.
22939         (fixuns_<mode>si2_hw): Likewise.
22940         (float<uns>_<mode>di2_hw): Likewise.
22941         (float_<mode>di2_hw): Likewise.
22942         (float_<mode>si2_hw): Likewise.
22943         (floatuns_<mode>di2_hw): Likewise.
22944         (floatuns_<mode>si2_hw): Likewise.
22945         (xscvqp<su>wz_<mode>): Delete, no longer used.
22946         (xscvqp<su>dz_<mode>): Likewise.
22947         (xscv<su>dqp_<mode>): Likewise.
22948         (ieee128_mfvsrd_64bit): Likewise.
22949         (ieee128_mfvsrd_32bit): Likewise.
22950         (ieee128_mfvsrwz): Likewise.
22951         (ieee128_mtvsrw): Likewise.
22952         (ieee128_mtvsrd_64bit): Likewise.
22953         (ieee128_mtvsrd_32bit): Likewise.
22954
22955 2017-01-31  Martin Liska  <mliska@suse.cz>
22956
22957         PR ipa/79285
22958         * ipa-prop.c (ipa_free_all_node_params): Call release method
22959         instead of ~sumbol_summary to not to trigger double times
22960         dtor of hash_map.
22961
22962 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
22963
22964         PR tree-optimization/71691
22965         * bitmap.h (class auto_bitmap): New.
22966         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
22967         is_maybe_undefined instead of ssa_undefined_value_p.
22968
22969 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22970
22971         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
22972         __S390_ARCH_LEVEL__ to __ARCH__.
22973
22974 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
22975
22976         PR tree-optimization/79267
22977         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
22978         if should_remove_lhs_p is true.
22979
22980 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
22981
22982         PR debug/63238
22983         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
22984         (add_alignment_attribute): New.
22985         (base_type_die): Add alignment attribute.
22986         (subrange_type_die): Likewise.
22987         (modified_type_die): Likewise.
22988         (gen_array_type_die): Likewise.
22989         (gen_descr_array_type_die: Likewise.
22990         (gen_enumeration_type_die): Likewise.
22991         (gen_subprogram_die): Likewise.
22992         (gen_variable_die): Likewise.
22993         (gen_field_die): Likewise.
22994         (gen_ptr_to_mbr_type_die): Likewise.
22995         (gen_struct_or_union_type_die): Likewise.
22996         (gen_subroutine_type_die): Likewise.
22997         (gen_typedef_die): Likewise.
22998         (base_type_cmp): Compare alignment attribute.
22999
23000 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23001
23002         PR target/79170
23003         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
23004         (setb_unsigned) New pattern for setb with CCUNS.
23005         * config/rs6000/rs6000.c (expand_block_compare): Use a different
23006         subfc./subfe sequence to avoid overflow problems.  Generate a
23007         shorter sequence with cmpld/setb for power9.
23008         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
23009         for generating subfc. instruction.
23010         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
23011         now uses this instruction.
23012
23013 2017-01-30  Ian Lance Taylor  <iant@google.com>
23014
23015         PR debug/79289
23016         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
23017         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
23018
23019 2017-01-30  Martin Sebor  <msebor@redhat.com>
23020
23021         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
23022         Move constant to the right of a relational operator.
23023         (get_mpfr_format_length, format_character, format_string): Ditto.
23024         (should_warn_p, maybe_warn): Same.
23025
23026         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
23027
23028 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
23029
23030         PR lto/79061
23031         * asan.c (get_translation_unit_decl): Remove function.
23032         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
23033
23034 2017-01-30  Martin Liska  <mliska@suse.cz>
23035
23036         PR gcov-profile/79259
23037         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
23038         -fprofile-generate.
23039
23040 2017-01-30  Martin Liska  <mliska@suse.cz>
23041
23042         PR bootstrap/78985
23043         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
23044         Initialize variables with NULL value.
23045
23046 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
23047
23048         PR target/79260
23049         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
23050         tm_p_file.
23051         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
23052
23053 2017-01-30  Richard Biener  <rguenther@suse.de>
23054
23055         PR tree-optimization/79276
23056         * tree-vrp.c (process_assert_insertions): Properly adjust common
23057         when removing a duplicate.
23058
23059         * gcc.dg/torture/pr79276.c: New testcase.
23060
23061 2017-01-30  Richard Biener  <rguenther@suse.de>
23062
23063         PR tree-optimization/79256
23064         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23065         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23066         alignment on TYPE.
23067         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
23068
23069 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23070
23071         PR target/79240
23072         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
23073         ("*r<noxa>sbg_<mode>_sll_bitmask")
23074         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
23075         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
23076         Use contiguous_bitmask_nowrap_operand.
23077
23078 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23079
23080         PR target/79268
23081         * config/rs6000/altivec.h (vec_xl): Revise #define.
23082         (vec_xst): Likewise.
23083
23084 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
23085
23086         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
23087
23088 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
23089
23090         PR rtl-optimization/79194
23091         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
23092         traps before call to bypass_conditional_jumps.
23093
23094 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23095
23096         PR tree-optimization/71374
23097         * lra-constraints.c (check_conflict_input_operands): New.
23098         (match_reload): Use it.
23099
23100 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23101
23102         PR target/79131
23103         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
23104         account to calculate conflict_set.
23105
23106 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
23107
23108         PR rtl-optimization/78559
23109         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
23110         other_insn in combine.
23111
23112 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
23113
23114         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
23115         uint16_type_node for BT_UINT16.
23116
23117 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
23118
23119         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
23120         "RTL Tests" to menu.
23121         (GIMPLE Tests): New node.
23122         (RTL Tests): New node.
23123
23124 2017-01-27  Richard Biener  <rguenther@suse.de>
23125
23126         PR tree-optimization/79245
23127         * tree-loop-distribution.c (distribute_loop): Apply cost
23128         modeling also to detected patterns.
23129
23130 2017-01-27  Richard Biener  <rguenther@suse.de>
23131
23132         PR tree-optimization/71433
23133         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
23134         (compare_assert_loc): New function.
23135         (process_assert_insertions): Sort and optimize assert locations
23136         to remove duplicates and push down identical assertions on
23137         edges to their destination block.
23138
23139 2017-01-27  Richard Biener  <rguenther@suse.de>
23140
23141         PR tree-optimization/79244
23142         * tree-vrp.c (remove_range_assertions): Forcefully propagate
23143         out SSA names even if abnormal.
23144
23145 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
23146
23147         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
23148         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
23149         instead of MPFR_RNDN.
23150
23151 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
23152
23153         PR target/79239
23154         * arm.c (arm_option_override): Don't call build_target_option_node
23155         until after doing all option overrides.
23156         (arm_valid_target_attribute_tree): Likewise.
23157
23158 2017-01-27  Martin Liska  <mliska@suse.cz>
23159
23160         * doc/invoke.texi (-fprofile-arcs): Document profiling support
23161         for {cd}tors and C++ {cd}tors.
23162
23163 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23164
23165         * config/s390/s390.md ("*setmem_long_and")
23166         ("*setmem_long_and_31z"): Use zero_extend instead of and.
23167
23168 2017-01-26  Martin Sebor  <msebor@redhat.com>
23169
23170         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
23171         of precision.
23172
23173 2017-01-26  Martin Sebor  <msebor@redhat.com>
23174
23175         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
23176         HAVE_DFmode before using XFmode or DFmode.
23177         (parse_directive): Avoid using the z length modifier to avoid
23178         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
23179
23180         PR middle-end/78703
23181         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
23182         to accept adjustment as an array.
23183         (get_int_range): New function.
23184         (struct directive): Make width and prec arrays.
23185         (directive::set_width, directive::set_precision): Call get_int_range.
23186         (format_integer, format_floating): Handle width and precision ranges.
23187         (format_string, parse_directive): Same.
23188
23189 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23190
23191         PR debug/79129
23192         * dwarf2out.c (generate_skeleton_bottom_up): For children with
23193         comdat_type_p set, just clone them, but keep the children in the
23194         original DIE.
23195
23196         PR debug/78835
23197         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
23198         which have direct callers with -fvar-tracking-assignments enabled
23199         in the current TU.
23200         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
23201         inside of type units.
23202
23203 2017-01-26  Martin Sebor  <msebor@redhat.com>
23204
23205         PR middle-end/78703
23206         * gimple-ssa-sprintf.c (struct result_range): Add likely and
23207         unlikely counters.
23208         (struct format_result): Replace number_chars, number_chars_min,
23209         and number_chars_max with a single member of struct result_range.
23210         Remove bounded.
23211         (format_result::operator+=): Adjust.
23212         (struct fmtresult): Remove bounded.  Handle likely and unlikely
23213         counters.
23214         (fmtresult::adjust_for_width_or_precision): New function.
23215         (fmtresult:type_max_digits): New function.
23216         (bytes_remaining): Handle likely and unlikely counters.
23217         (min_bytes_remaining): Remove.
23218         (format_percent): Simplify.
23219         (format_integer, format_floating): Set likely and unlikely counters.
23220         (get_string_length, format_character, format_string): Same.
23221         (format_plain, should_warn_p): New function.
23222         (maybe_warn): Call should_warn_p.  Update diagnostic messages
23223         and handle those for all directives, including plain strings.
23224         (format_directive): Handle likely and unlikely counters.
23225         Remove unnecessary quoting from diagnostics.  Add an informational
23226         note.
23227         (add_bytes): Remove.
23228         (pass_sprintf_length::compute_format_length): Simplify.
23229         (try_substitute_return_value): Handle likely and unlikely counters.
23230
23231 2017-01-26  Carl Love  <cel@us.ibm.com>
23232
23233         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
23234         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
23235
23236 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
23237
23238         PR target/79131
23239         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
23240         endianess for subregs into account.
23241         * lra-constraints.c (lra_constraints): Do risky transformations
23242         always on the first iteration.
23243         * lra-lives.c (check_pseudos_live_through_calls): Add arg
23244         last_call_used_reg_set.
23245         (process_bb_lives): Define and use last_call_used_reg_set.
23246         * lra.c (lra): Always continue after lra_constraints on the first
23247         iteration.
23248
23249 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
23250
23251         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
23252         constant.
23253         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
23254
23255 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23256
23257         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
23258         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
23259         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
23260         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
23261         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
23262         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
23263         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
23264         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
23265         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
23266
23267 2017-01-26  Marek Polacek  <polacek@redhat.com>
23268
23269         PR c/79199
23270         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
23271         for the third operand.
23272
23273 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23274
23275         PR middle-end/79236
23276         * omp-low.c (struct omp_context): Add simt_stmt field.
23277         (scan_omp_for): Return omp_context *.
23278         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
23279         context to the _simt_ SIMD stmt.
23280         (lower_omp_for): For combined SIMD with sibling _simt_
23281         SIMD, make sure to use the same decls in _looptemp_
23282         clauses as in the sibling.
23283
23284 2017-01-26  David Sherwood  <david.sherwood@arm.com>
23285
23286         PR middle-end/79212
23287         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
23288         all contexts.
23289
23290 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23291
23292         PR target/70465
23293         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
23294         emit fld b; fld a; if possible.
23295
23296         * brig-builtins.def: Update copyright years.
23297         * config/arm/arm_acle_builtins.def: Update copyright years.
23298
23299 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
23300
23301         PR target/79179
23302         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
23303         constraint instead of o for the stxsd instruction.
23304
23305 2017-01-25  Carl Love  <cel@us.ibm.com>
23306
23307         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
23308         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
23309
23310 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
23311
23312         * doc/invoke.texi (C++ Dialect Options): Fix typo.
23313
23314 2017-01-25  Richard Biener  <rguenther@suse.de>
23315
23316         PR tree-optimization/69264
23317         * target.def (vector_alignment_reachable): Improve documentation.
23318         * doc/tm.texi: Regenerate.
23319         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
23320         and add a comment.
23321         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
23322         earlier changes with respect to TYPE_USER_ALIGN.
23323         (vector_alignment_reachable_p): Likewise.  Improve dumping.
23324
23325 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23326
23327         PR target/79145
23328         * config/arm/arm.md (xordi3): Force constant operand into a register
23329         for TARGET_IWMMXT.
23330
23331 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23332
23333         * doc/invoke.texi (-fstore-merging): Correct default optimization
23334         levels at which it is enabled.
23335         (-O): Move -fstore-merging from list to...
23336         (-O2): ... Here.
23337
23338 2017-01-25  Richard Biener  <rguenther@suse.de>
23339
23340         PR debug/78363
23341         * omp-expand.c: Include debug.h.
23342         (expand_omp_taskreg): Make sure to generate early debug before
23343         outlining anything from a function.
23344         (expand_omp_target): Likewise.
23345         (grid_expand_target_grid_body): Likewise.
23346
23347 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
23348
23349         PR lto/79061
23350         * asan.c (get_translation_unit_decl): New function.
23351         (asan_add_global): Extract modules file name from globals
23352         TRANSLATION_UNIT_DECL name.
23353
23354 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
23355
23356         PR target/77439
23357         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
23358         for long calls with APCS frame and VFP.
23359
23360 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
23361
23362         * cfg.c (original_copy_tables_initialized_p): New function.
23363         * cfg.h (original_copy_tables_initialized_p): New decl.
23364         * cfgrtl.c (relink_block_chain): Guard the call to
23365         free_original_copy_tables with a call to
23366         original_copy_tables_initialized_p.
23367         * cgraph.h (symtab_node::native_rtl_p): New decl.
23368         * cgraphunit.c (symtab_node::native_rtl_p): New function.
23369         (symtab_node::needed_p): Don't assert for early assembly output
23370         for __RTL functions.
23371         (cgraph_node::finalize_function): Set "force_output" for __RTL
23372         functions.
23373         (cgraph_node::analyze): Bail out early for __RTL functions.
23374         (analyze_functions): Update assertion to support __RTL functions.
23375         (cgraph_node::expand): Bail out early for __RTL functions.
23376         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
23377         __RTL functions.
23378         * function.h (struct function): Update comment for field
23379         "pass_startwith".
23380         * gimple-expr.c: Include "tree-pass.h".
23381         (gimple_has_body_p): Return false for __RTL functions.
23382         * Makefile.in (OBJS): Add run-rtl-passes.o.
23383         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
23384         accessor.
23385         (gcc::pass_manager::get_clean_slate): New accessor.
23386         * passes.c: Include "insn-addr.h".
23387         (should_skip_pass_p): Add logging.  Update logic for running
23388         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
23389         property-provider override so it is only done for gimple passes.
23390         Don't skip dfinit.
23391         (skip_pass): New function.
23392         (execute_one_pass): Call skip_pass when skipping passes.
23393         * read-md.c (md_reader::read_char): Support filtering
23394         the input to a subset of line numbers.
23395         (md_reader::md_reader): Initialize fields
23396         m_first_line and m_last_line.
23397         (md_reader::read_file_fragment): New function.
23398         * read-md.h (md_reader::read_file_fragment): New decl.
23399         (md_reader::m_first_line): New field.
23400         (md_reader::m_last_line): New field.
23401         * read-rtl-function.c (function_reader::create_function): Only
23402         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
23403         curr_properties.  Set DECL_INITIAL to a dummy block.
23404         (read_rtl_function_body_from_file_range): New function.
23405         * read-rtl-function.h (read_rtl_function_body_from_file_range):
23406         New decl.
23407         * run-rtl-passes.c: New file.
23408         * run-rtl-passes.h: New file.
23409
23410 2017-01-24  Jeff Law  <law@redhat.com>
23411
23412         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
23413         buffer size.
23414
23415 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
23416
23417         PR tree-optimization/79159
23418         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
23419         (record_nonwrapping_iv): Improve boundary using above function if no
23420         value range information.
23421
23422 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
23423             Martin Jambor  <mjambor@suse.cz>
23424
23425         * brig-builtins.def: New file.
23426         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
23427         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
23428         (DEF_HSAIL_SAT_BUILTIN): Likewise.
23429         (DEF_HSAIL_INTR_BUILTIN): Likewise.
23430         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
23431         * builtin-types.def (BT_INT8): New.
23432         (BT_INT16): Likewise.
23433         (BT_UINT8): Likewise.
23434         (BT_UINT16): Likewise.
23435         (BT_FN_ULONG): Likewise.
23436         (BT_FN_UINT_INT): Likewise.
23437         (BT_FN_UINT_ULONG): Likewise.
23438         (BT_FN_UINT_LONG): Likewise.
23439         (BT_FN_UINT_PTR): Likewise.
23440         (BT_FN_ULONG_PTR): Likewise.
23441         (BT_FN_INT8_FLOAT): Likewise.
23442         (BT_FN_INT16_FLOAT): Likewise.
23443         (BT_FN_UINT32_FLOAT): Likewise.
23444         (BT_FN_UINT16_FLOAT): Likewise.
23445         (BT_FN_UINT8_FLOAT): Likewise.
23446         (BT_FN_UINT64_FLOAT): Likewise.
23447         (BT_FN_UINT16_UINT32): Likewise.
23448         (BT_FN_UINT32_UINT16): Likewise.
23449         (BT_FN_UINT16_UINT16_UINT16): Likewise.
23450         (BT_FN_INT_PTR_INT): Likewise.
23451         (BT_FN_UINT_PTR_UINT): Likewise.
23452         (BT_FN_LONG_PTR_LONG): Likewise.
23453         (BT_FN_ULONG_PTR_ULONG): Likewise.
23454         (BT_FN_VOID_UINT64_UINT64): Likewise.
23455         (BT_FN_UINT8_UINT8_UINT8): Likewise.
23456         (BT_FN_INT8_INT8_INT8): Likewise.
23457         (BT_FN_INT16_INT16_INT16): Likewise.
23458         (BT_FN_INT_INT_INT): Likewise.
23459         (BT_FN_UINT_FLOAT_UINT): Likewise.
23460         (BT_FN_FLOAT_UINT_UINT): Likewise.
23461         (BT_FN_ULONG_UINT_UINT): Likewise.
23462         (BT_FN_ULONG_UINT_PTR): Likewise.
23463         (BT_FN_ULONG_ULONG_ULONG): Likewise.
23464         (BT_FN_UINT_UINT_UINT): Likewise.
23465         (BT_FN_VOID_UINT_PTR): Likewise.
23466         (BT_FN_UINT_UINT_PTR: Likewise.
23467         (BT_FN_UINT32_UINT64_PTR): Likewise.
23468         (BT_FN_INT_INT_UINT_UINT): Likewise.
23469         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
23470         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
23471         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
23472         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
23473         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
23474         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
23475         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
23476         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
23477         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
23478         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
23479         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
23480         * doc/frontends.texi: List BRIG FE.
23481         * doc/install.texi (Testing): Add BRIG tesring requirements.
23482         * doc/invoke.texi (Overall Options): Mention BRIG.
23483         * doc/standards.texi (Standards): Doucment BRIG HSA version.
23484
23485 2017-01-24  Richard Biener  <rguenther@suse.de>
23486
23487         PR translation/79208
23488         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
23489
23490 2017-01-24  Martin Jambor  <mjambor@suse.cz>
23491
23492         PR bootstrap/79198
23493         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
23494         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
23495         and known_contexts.
23496
23497 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
23498
23499         PR middle-end/79123
23500         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
23501         casts from signed to unsigned really don't have a range.
23502
23503 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
23504
23505         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
23506         GMP_RNDx for compatiblity.
23507
23508 2017-01-24  Martin Liska  <mliska@suse.cz>
23509
23510         PR bootstrap/79132
23511         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
23512         that would prevent us to call alloca with -1 as argument.
23513
23514 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
23515
23516         * dwarf2out.c (output_compilation_unit_header, output_file_names):
23517         Avoid -Wformat-security warning.
23518
23519 2017-01-23  Andrew Pinski  <apinski@cavium.com>
23520
23521         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
23522         cost table.
23523
23524 2017-01-23  Martin Sebor  <msebor@redhat.com>
23525
23526         PR middle-end/78703
23527         * gimple-ssa-sprintf.c (warn_level): New global.
23528         (format_integer): Use it here and throughout the rest of the file.
23529         Use the same switch to compute sign as base.
23530         (maybe_warn): New function.
23531         (format_directive): Factor out warnings into maybe_warn.
23532         Add debugging output.  Use warn_level.
23533         (add_bytes): Use warn_level.
23534         (pass_sprintf_length::compute_format_length): Add debugging output.
23535         (try_substitute_return_value): Same.
23536         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
23537
23538         PR middle-end/78703
23539         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
23540         (struct fmtresult, format_integer, format_floating): Adjust.
23541         (fmtresult::fmtresult): Set max correctly in two argument ctor.
23542         (get_string_length, format_string,format_directive): Same.
23543         (pass_sprintf_length::compute_format_length): Same.
23544         (try_substitute_return_value): Simplify slightly.
23545
23546         PR middle-end/78703
23547         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
23548         (fmtresult::operator+=): Outlined.
23549         (struct fmtresult): Add ctors.
23550         (struct conversion_spec): Rename...
23551         (struct directive): ...to this.  Add and remove data members.
23552         (directive::set_width, directive::set_precision): New functions.
23553         (format_percent): Use fmtresult ctor.
23554         (get_width_and_precision): Remove.
23555         (format_integer): Make naming changes.  Avoid computing width and
23556         precision.
23557         (format_floating): Same.  Adjust indentation.
23558         (format_character, format_none): New functions.
23559         (format_string): Moved character handling to format_character.
23560         (format_directive): Remove arguments, change return type.
23561         (parse_directive): New function.
23562         (pass_sprintf_length::compute_format_length): Move directive
23563         parsing to parse_directive.
23564
23565 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23566
23567         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
23568         (assign_assembler_name_if_needed): ... this.
23569         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
23570         (assign_assembler_name_if_needed): ... this.
23571         (free_lang_data_in_cgraph): Adjust callers.
23572         * cgraphunit.c (cgraph_node::analyze): Likewise.
23573         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
23574         Likewise.
23575
23576 2017-01-23  Richard Biener  <rguenther@suse.de>
23577
23578         PR tree-optimization/79088
23579         PR tree-optimization/79188
23580         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
23581         resetting loop bounds after last path deletion.  Reset loop
23582         bounds of the target loop, make code match the comments.
23583         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
23584         Make sure loops need no fixups.
23585
23586 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23587
23588         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
23589         exponent support with double type for first argument.
23590         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
23591         type returned by __builtin_vec_extract_sig,
23592         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
23593         functions from "vector int" to "vector unsigned int" or from
23594         "vector long long int" to "vector unsigned long long int".
23595         Changed type returned by __builtin_vec_extract_exp,
23596         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
23597         functions from "vector int" to "vector unsigned int" or from
23598         "vector long long int" to "vector unsigned long long int".
23599         Changed return type of __builtin_vec_test_data_class,
23600         __builtin_vec_test_data_class_sp, and
23601         __builtin_vec_test_data_class_dp from "vector int" to
23602         "vector bool int" or from "vector long long int" to "vector bool
23603         long long int" and changed second argument type from "unsigned
23604         int" to "int".  Added new overloaded function forms "vector float
23605         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
23606         "vector float __builtin_vec_insert_exp_sp (vector float, vector
23607         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
23608         double, vector unsigned long long int)" and "vector double
23609         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
23610         long int)".  Changed return type of
23611         __builtin_scalar_test_data_class and
23612         __builtin_scalar_test_data_class_sp and
23613         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
23614         int" and changed second argument from "unsigned int" to "int".
23615         Changed type returned by __builtin_scalar_test_neg,
23616         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
23617         from "int" to "bool int".  Added new overloaded function form
23618         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
23619         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
23620         exponent double-precision with floating point first argument.
23621         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
23622         documentation of scalar_test_data_class, scalar_test_neg,
23623         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
23624         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
23625         vec_test_data_class built-in functions to reflect refinements in
23626         their type signatures.
23627
23628 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
23629
23630         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
23631         size of buf.
23632         (aarch64_elf_asm_destructor): Likewise.
23633
23634 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
23635
23636         PR rtl-optimization/78634
23637         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
23638         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
23639         * ifcvt.c (noce_try_cmove): Add missing cost check.
23640
23641         PR rtl-optimization/71724
23642         * combine.c (if_then_else_cond): Look for situations where it is
23643         beneficial to undo the work of one of the recursive calls.
23644
23645 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
23646
23647         PR tree-optimization/70754
23648         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
23649         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
23650         combined stmt before it if not NULL.
23651         (combine_chains): Process refs reversely and compute dominance point
23652         for root ref.
23653
23654 2017-01-23  Martin Liska  <mliska@suse.cz>
23655
23656         PR tree-optimization/79196
23657         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
23658         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
23659         instead of memcmp.
23660         (strlen_optimize_stmt): Call the renamed function.
23661
23662 2017-01-23  Michael Matz  <matz@suse.de>
23663
23664         PR tree-optimization/78384
23665         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
23666
23667 2017-01-23  Richard Biener  <rguenther@suse.de>
23668
23669         PR tree-optimization/79186
23670         * tree-vrp.c (register_new_assert_for): Make sure we've seen
23671         both incoming edges before moving an assert.
23672
23673 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23674
23675         * ipa-prop.c (load_from_param_1): Removed.
23676         (load_from_unmodified_param): Bits from load_from_param_1 put back
23677         here.
23678         (load_from_param): Removed.
23679         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
23680         with stmt.  Reverted back to use of load_from_unmodified_param.
23681
23682 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23683
23684         PR ipa/79108
23685         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
23686         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
23687         field a pointer to garbage collected vector, mark lattices and
23688         ipcp_orig_node with GTY((skip)).
23689         (ipa_get_param_count): Adjust to descriptors being a pointer.
23690         (ipa_get_param): Likewise.
23691         (ipa_get_type): Likewise.
23692         (ipa_get_param_move_cost): Likewise.
23693         (ipa_set_param_used): Likewise.
23694         (ipa_get_controlled_uses): Likewise.
23695         (ipa_set_controlled_uses): Likewise.
23696         (ipa_is_param_used): Likewise.
23697         (ipa_node_params_t): Move into garbage collector.  New methods insert
23698         and remove.
23699         (ipa_node_params_sum): Annotate wth GTY(()).
23700         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
23701         garbage collected.
23702         (ipa_load_from_parm_agg): Adjust declaration.
23703         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
23704         * ipa-profile.c (ipa_profile): Likewise.
23705         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
23706         (ipa_populate_param_decls): Make descriptors parameter garbage
23707         collected.
23708         (ipa_dump_param): Adjust to descriptors being a pointer.
23709         (ipa_alloc_node_params): Likewise.
23710         (ipa_initialize_node_params): Likewise.
23711         (load_from_param_1): Make descriptors parameter garbage collected.
23712         (load_from_unmodified_param): Likewise.
23713         (load_from_param): Likewise.
23714         (ipa_load_from_parm_agg): Likewise.
23715         (ipa_node_params::~ipa_node_params): Removed.
23716         (ipa_free_all_node_params): Remove call to delete operator.
23717         (ipa_node_params_t::insert): New.
23718         (ipa_node_params_t::remove): Likewise.
23719         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
23720         copy known_csts and known_contexts vectors.
23721         (ipa_read_node_info): Adjust to descriptors being a pointer.
23722         (ipcp_modif_dom_walker): Make m_descriptors field garbage
23723         collected.
23724         (ipcp_transform_function): Make descriptors variable garbage
23725         collected.
23726
23727 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
23728
23729         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
23730         * config/i386/avx512dqintrin.h: Ditto.
23731         * config/i386/avx512fintrin.h: Ditto.
23732         * config/i386/i386.c: Handle new builtins.
23733         * config/i386/i386-builtin.def: Add new builtins.
23734         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
23735         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
23736
23737 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23738             Martin Liska  <mliska@suse.cz>
23739
23740         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
23741         * asan.c (asan_expand_poison_ifn): Support stores and use
23742         appropriate ASAN report function.
23743         * internal-fn.c (expand_ASAN_POISON_USE): New function.
23744         * internal-fn.def (ASAN_POISON_USE): Declare.
23745         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
23746         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
23747         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
23748         ASAN_POISON calls w/o LHS.
23749         * tree-ssa.c (execute_update_addresses_taken): Create clobber
23750         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
23751         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
23752         * gimplify.c (asan_poison_variables): Add attribute
23753         use_after_scope_memory to variables that really needs to live
23754         in memory.
23755         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
23756         having the attribute.
23757
23758 2017-01-23  Martin Liska  <mliska@suse.cz>
23759
23760         * asan.c (create_asan_shadow_var): New function.
23761         (asan_expand_poison_ifn): Likewise.
23762         * asan.h (asan_expand_poison_ifn): New declaration.
23763         * internal-fn.c (expand_ASAN_POISON): Likewise.
23764         * internal-fn.def (ASAN_POISON): New builtin.
23765         * sanopt.c (pass_sanopt::execute): Expand
23766         asan_expand_poison_ifn.
23767         * tree-inline.c (copy_decl_for_dup_finish): Make function
23768         external.
23769         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
23770         * tree-ssa.c (is_asan_mark_p): New function.
23771         (execute_update_addresses_taken): Rewrite local variables
23772         (identified just by use-after-scope as addressable) into SSA.
23773
23774 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
23775
23776         * doc/install.texi (Specific): opensource.apple.com uses https
23777         now. Remove trailing slash.
23778
23779 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
23780
23781         * README.Portability: Remove note on an Irix compatibility issue.
23782
23783 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
23784
23785         * gcov.c (INCLUDE_ALGORITHM): Define.
23786         (INCLUDE_VECTOR): Define.
23787         No longer include <vector> and <algorithm> directly.
23788
23789 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
23790
23791         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
23792         to https.
23793         * doc/invoke.texi (Code Gen Options): Ditto.
23794
23795 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
23796
23797         PR lto/78407
23798         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
23799
23800 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
23801
23802         rtl-optimization/79125
23803         * cprop.c (local_cprop_pass): Handle cases where we make an
23804         unconditional trap.
23805
23806 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
23807
23808         PR target/61729
23809         PR target/77850
23810         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
23811         read from, for big endian.
23812
23813 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
23814
23815         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
23816         register pauth builtins for LP64 only.
23817
23818 2017-01-20  Marek Polacek  <polacek@redhat.com>
23819
23820         PR c/79152
23821         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
23822         non-case labels.
23823
23824 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
23825
23826         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
23827         of safelen status.
23828         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
23829         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
23830         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
23831
23832 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23833
23834         PR target/71270
23835         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
23836         in big-endian mode when they are not a single duplicated value.
23837
23838 2017-01-20  Richard Biener  <rguenther@suse.de>
23839
23840         * BASE-VER: Bump to 7.0.1.
23841
23842 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
23843
23844         * omp-low.c (omplow_simd_context): New struct.  Use it...
23845         (lower_rec_simd_input_clauses): ...here and...
23846         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
23847         references to idx, lane, max_vf, is_simt.
23848
23849 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
23850
23851         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
23852         mcpu=nps400.
23853
23854 2017-01-20  Martin Jambor  <mjambor@suse.cz>
23855
23856         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
23857         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
23858         gt-hsa-common.h.
23859         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
23860         (GTFILES): Rename hsa.c to hsa-common.c.
23861         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
23862         * hsa-dump.c: Likewise.
23863         * hsa-gen.c: Likewise.
23864         * hsa-regalloc.c: Likewise.
23865         * ipa-hsa.c: Likewise.
23866         * omp-expand.c: Likewise.
23867         * omp-low.c: Likewise.
23868         * toplev.c: Likewise.
23869
23870 2017-01-20  Marek Polacek  <polacek@redhat.com>
23871
23872         PR c/64279
23873         * doc/invoke.texi: Document -Wduplicated-branches.
23874         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
23875         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
23876         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
23877         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
23878         return 0 only when not OEP_LEXICOGRAPHIC.
23879         (fold_build_cleanup_point_expr): Use the expression
23880         location when building CLEANUP_POINT_EXPR.
23881         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
23882         * tree.c (add_expr): Handle error_mark_node.
23883
23884 2017-01-20  Martin Liska  <mliska@suse.cz>
23885
23886         PR lto/69188
23887         * tree-profile.c (init_ic_make_global_vars): Do not call
23888         finalize_decl.
23889         (gimple_init_gcov_profiler): Likewise.
23890
23891 2017-01-20  Martin Liska  <mliska@suse.cz>
23892
23893         PR ipa/71190
23894         * cgraph.h (maybe_create_reference): Remove argument and
23895         update comment.
23896         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
23897         argument.
23898         * ipa-cp.c (create_specialized_node): Likewise.
23899         * symtab.c (symtab_node::maybe_create_reference): Handle
23900         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
23901
23902 2017-01-20  Martin Liska  <mliska@suse.cz>
23903
23904         * read-rtl-function.c (function_reader::create_function): Use
23905         build_decl instread of build_decl_stat.
23906
23907 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
23908
23909         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
23910         * config/i386/avx512dqintrin.h: Ditto.
23911         * config/i386/avx512fintrin.h: Ditto.
23912         * config/i386/i386-builtin-types.def: Add new types.
23913         * config/i386/i386.c: Handle new types.
23914         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
23915         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
23916         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
23917         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
23918         (__builtin_ia32_kshiftridi): New.
23919         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
23920
23921 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
23922
23923         PR target/78875
23924         PR target/79140
23925         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
23926         define to rs6000_init_stack_protect_guard.
23927         (rs6000_init_stack_protect_guard): New function.
23928
23929 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
23930             Yunqiang Su  <yunqiang.su@imgtec.com>
23931
23932         * config.gcc (supported_defaults): Add madd4.
23933         (with_madd4): Add validation.
23934         (all_defaults): Add madd4.
23935         * config/mips/mips.opt (mmadd4): New option.
23936         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
23937         mmadd4.
23938         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
23939         __mips_no_madd4.
23940         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
23941         (ISA_HAS_FUSED_MADD4): Likewise.
23942         * doc/invoke.texi (-mmadd4): Document the new option.
23943         * doc/install.texi (--with-madd4): Document the new option.
23944
23945 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23946
23947         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
23948         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
23949         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
23950         (aarch64_init_pauth_hint_builtins): New.
23951         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
23952         (aarch64_expand_builtin): Expand new builtins.
23953
23954 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23955
23956         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
23957         * combine-stack-adj.c (no_unhandled_cfa): Handle
23958         REG_CFA_TOGGLE_RA_MANGLE.
23959         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
23960         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
23961         info for return address signing.
23962         (aarch64_expand_epilogue): Likewise.
23963
23964 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23965
23966         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
23967         * config/aarch64/aarch64-protos.h
23968         (aarch64_return_address_signing_enabled): New declaration.
23969         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
23970         New function.
23971         (aarch64_expand_prologue): Sign return address before it's pushed onto
23972         stack.
23973         (aarch64_expand_epilogue): Authenticate return address fetched from
23974         stack.
23975         (aarch64_override_options): Sanity check for ILP32 and ISA level.
23976         (aarch64_attributes): New function attributes for "sign-return-address".
23977         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
23978         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
23979         ("*do_return"): Generate combined instructions according to key index.
23980         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
23981         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
23982         iterators.
23983         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
23984         * config/aarch64/aarch64.opt (msign-return-address=): New.
23985         * doc/extend.texi (AArch64 Function Attributes): Documents
23986         "sign-return-address=".
23987         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
23988
23989 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
23990
23991         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
23992         overall option summary.
23993
23994 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23995
23996         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
23997         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
23998         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
23999         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
24000
24001 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
24002
24003         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
24004         -mpower9-minmax by default for -mcpu=power9.
24005         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
24006         128-bit floating point.
24007
24008 2017-01-20  Alan Modra  <amodra@gmail.com>
24009
24010         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
24011         optimizing for size.
24012
24013 2017-01-20  Alan Modra  <amodra@gmail.com>
24014
24015         PR target/79144
24016         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
24017         for strcmp and strncmp from corresponding builtin decl.
24018
24019 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24020
24021         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
24022         instead of i386/rtems-64.h.
24023         * config/i386/rtems-64.h: Remove.
24024
24025 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24026
24027         PR target/78478
24028         Revert:
24029         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
24030
24031         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
24032
24033 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
24034
24035         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
24036         Change int to HOST_WIDE_INT.
24037         * config/aarch64/aarch64-protos.h
24038         (aarch64_simd_gen_const_vector_dup): Likewise.
24039         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
24040
24041 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
24042
24043         * langhooks-def.h (lhd_type_for_size): New decl.
24044         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
24045         * langhooks.c (lhd_type_for_size): New function, taken from
24046         lto_type_for_size.
24047
24048 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
24049
24050         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
24051         define_bypass for CR latency.
24052         (power9-cracked-alu): Update bypass latency and remove power9-branch.
24053         (power9-alu2): Add define_bypass for CR latency.
24054         (power9-cmp): New.
24055         (power9-mul): Update insn latency.
24056         (power9-mul-compare): Update insn latency, bypass latency and remove
24057         power9-branch.
24058
24059 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24060
24061         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
24062         Delete.
24063         * config/aarch64/aarch64.md
24064         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
24065         aarch64_nopcrelative_literal_loads.
24066         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
24067
24068 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
24069
24070         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
24071         TARGET_LOONGSON_3A.
24072         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
24073
24074 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
24075
24076         PR target/78176
24077         * config.gcc (supported_defaults): Add lxc1-sxc1.
24078         (with_lxc1_sxc1): Add validation.
24079         (all_defaults): Add lxc1-sxc1.
24080         * config/mips/mips.opt (mlxc1-sxc1): New option.
24081         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24082         mlxc1-sxc1.
24083         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24084         __mips_no_lxc1_sxc1.
24085         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
24086         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
24087         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
24088
24089 2017-01-19  Richard Biener  <rguenther@suse.de>
24090
24091         PR tree-optimization/72488
24092         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
24093         sure to restore SSA info.
24094         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
24095
24096 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
24097
24098         PR rtl-optimization/79121
24099         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
24100         of the inner type when shifting an extended value.
24101
24102 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24103
24104         PR lto/78407
24105         * symtab.c (symtab_node::equal_address_to): Fix comparing of
24106         interposable aliases.
24107
24108 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
24109
24110         PR target/78516
24111         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
24112         Use the evmergelohi instruction.
24113         (mov_si<mode>_e500_subreg4_2_le): Likewise.
24114         (mov_sitf_e500_subreg8_2_be): Likewise.
24115         (mov_sitf_e500_subreg12_2_le): Likewise.
24116         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
24117         (mov_si<mode>_e500_subreg4_2_be): Likewise.
24118         (mov_sitf_e500_subreg8_2_le): Likewise.
24119         (mov_sitf_e500_subreg12_2_be): Likewise.
24120
24121 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24122
24123         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
24124         attribute from vecsimple to vecperm.
24125         (altivec_vbpermq2): Likewise.
24126
24127 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24128
24129         PR target/79040
24130         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
24131
24132 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24133         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
24134         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
24135         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
24136         case where N arg is SIZE_MAX.
24137         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
24138         (cmpstrsi): Add pattern.
24139
24140 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
24141
24142         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24143         __builtin_vec_revb builtins.
24144         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
24145         built-in functions to support generation of the ISA 3.0 XXBR<x>
24146         vector byte reverse instructions.
24147         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
24148         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
24149         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
24150         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
24151         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
24152         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
24153         (P9V_BUILTIN_VEC_REVB): Likewise.
24154         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
24155         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
24156         (p9_xxbrq_v16qi): Likewise.
24157         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
24158         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
24159         (p9_xxbrh_v8hi): Likewise.
24160         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
24161         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
24162         vec_revb built-in functions.
24163
24164 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
24165
24166         PR rtl-optimization/78952
24167         * config/i386/i386.md (any_extract): New code iterator.
24168         (*insvqi_2): Use any_extract for source operand.
24169         (*insvqi_3): Use any_shiftrt for source operand.
24170
24171 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
24172
24173         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
24174         New function.
24175         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
24176
24177 2017-01-18  Matthias Klose  <doko@ubuntu.com>
24178
24179         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
24180
24181 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24182
24183         * config/rs6000/altivec.h (vec_bperm): Change #define.
24184         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
24185         (altivec_vbpermq2): New define_insn.
24186         (altivec_vbpermd): Likewise.
24187         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
24188         function interface.
24189         (VBPERMD): Likewise.
24190         (VBPERM): New polymorphic function interface.
24191         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
24192         Add entries for P9V_BUILTIN_VEC_VBPERM.
24193         * doc/extend.texi: Add interfaces for vec_bperm.
24194
24195 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24196
24197         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
24198         first letter of error messages.
24199         (s390_resolve_overloaded_builtin): Likewise.
24200         * config/s390/s390.c (s390_expand_builtin): Likewise.
24201         (s390_invalid_arg_for_unprototyped_fn): Likewise.
24202         (s390_valid_target_attribute_inner_p): Likewise.
24203         * config/s390/s390.md ("tabort"): Likewise.
24204
24205 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
24206
24207         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
24208         (ISA_AVOID_DIV_HILO): New macro.
24209         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
24210         (ISA_HAS_DDIV): Likewise.
24211
24212 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24213
24214         * doc/invoke.texi (fabi-version): Correct number of occurrences.
24215
24216 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24217
24218         * doc/invoke.texi (fabi-version): Spelling fix.
24219
24220 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24221
24222         PR c++/70182
24223         * doc/invoke.texi (fabi-version): Mention mangling fix for
24224         operator names.
24225
24226 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24227
24228         PR c++/77489
24229         * doc/invoke.texi (fabi-version): Document discriminator mangling.
24230
24231 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
24232
24233         PR target/78875
24234         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
24235         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
24236         the new options.
24237         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
24238         flexible settings.
24239         (stack_protect_test): Ditto.
24240         * config/rs6000/rs6000.opt (mstack-protector-guard=,
24241         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
24242         options.
24243         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
24244         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
24245         -mstack-protector-guard-offset=.
24246         (RS/6000 and PowerPC Options): Ditto.
24247
24248 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24249
24250         * config/i386/i386.h (MASK_CLASS_P): New define.
24251         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
24252         there are no registers from different register sets also when
24253         mask registers are used.  Update function comment.
24254         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
24255         to (*k/*r) and (*k/*km) alternatives.
24256
24257 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
24258
24259         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
24260         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
24261         (EH_RETURN_HANDLER_RTX): New define.
24262         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
24263         Force frame pointer in EH return functions.
24264         (aarch64_expand_epilogue): Add barrier for eh_return.
24265         (aarch64_final_eh_return_addr): Remove.
24266         (aarch64_eh_return_handler_rtx): New function.
24267         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
24268         Remove.
24269         (aarch64_eh_return_handler_rtx): New prototype.
24270
24271 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24272
24273         * config/rs6000/altivec.h (vec_rlmi): New #define.
24274         (vec_vrlnm): Likewise.
24275         (vec_rlnm): Likewise.
24276         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
24277         (UNSPEC_VRLNM): Likewise.
24278         (VIlong): New mode iterator.
24279         (altivec_vrl<VI_char>mi): New define_insn.
24280         (altivec_vrl<VI_char>nm): Likewise.
24281         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
24282         function entry.
24283         (VRLDNM): Likewise.
24284         (RLNM): New polymorphic function entry.
24285         (VRLWMI): New monomorphic function entry.
24286         (VRLDMI): Likewise.
24287         (RLMI): New polymorphic function entry.
24288         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
24289         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
24290         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
24291         vec_vrlnm.
24292
24293 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24294
24295         PR debug/78839
24296         * dwarf2out.c (field_byte_offset): Restore the
24297         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
24298         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
24299         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
24300         of build2 + fold.
24301
24302 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24303
24304         PR ada/67205
24305         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
24306
24307 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24308
24309         PR debug/71669
24310         * dwarf2out.c (add_data_member_location_attribute): For constant
24311         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
24312         instead of DW_AT_data_member_location, DW_AT_bit_offset and
24313         DW_AT_byte_size attributes.
24314
24315 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24316
24317         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
24318         after forcing to constant memory when the code model is medium.
24319
24320 2017-01-17  Julia Koval  <julia.koval@intel.com>
24321
24322         PR target/76731
24323         * config/i386/avx512fintrin.h
24324         (_mm512_i32gather_ps): Change __addr type to void const*.
24325         (_mm512_mask_i32gather_ps): Ditto.
24326         (_mm512_i32gather_pd): Ditto.
24327         (_mm512_mask_i32gather_pd): Ditto.
24328         (_mm512_i64gather_ps): Ditto.
24329         (_mm512_mask_i64gather_ps): Ditto.
24330         (_mm512_i64gather_pd): Ditto.
24331         (_mm512_mask_i64gather_pd): Ditto.
24332         (_mm512_i32gather_epi32): Ditto.
24333         (_mm512_mask_i32gather_epi32): Ditto.
24334         (_mm512_i32gather_epi64): Ditto.
24335         (_mm512_mask_i32gather_epi64): Ditto.
24336         (_mm512_i64gather_epi32): Ditto.
24337         (_mm512_mask_i64gather_epi32): Ditto.
24338         (_mm512_i64gather_epi64): Ditto.
24339         (_mm512_mask_i64gather_epi64): Ditto.
24340         (_mm512_i32scatter_ps): Change __addr type to void*.
24341         (_mm512_mask_i32scatter_ps): Ditto.
24342         (_mm512_i32scatter_pd): Ditto.
24343         (_mm512_mask_i32scatter_pd): Ditto.
24344         (_mm512_i64scatter_ps): Ditto.
24345         (_mm512_mask_i64scatter_ps): Ditto.
24346         (_mm512_i64scatter_pd): Ditto.
24347         (_mm512_mask_i64scatter_pd): Ditto.
24348         (_mm512_i32scatter_epi32): Ditto.
24349         (_mm512_mask_i32scatter_epi32): Ditto.
24350         (_mm512_i32scatter_epi64): Ditto.
24351         (_mm512_mask_i32scatter_epi64): Ditto.
24352         (_mm512_i64scatter_epi32): Ditto.
24353         (_mm512_mask_i64scatter_epi32): Ditto.
24354         (_mm512_i64scatter_epi64): Ditto.
24355         (_mm512_mask_i64scatter_epi64): Ditto.
24356         * config/i386/avx512pfintrin.h
24357         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
24358         (_mm512_mask_prefetch_i32gather_ps): Ditto.
24359         (_mm512_mask_prefetch_i64gather_pd): Ditto.
24360         (_mm512_mask_prefetch_i64gather_ps): Ditto.
24361         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
24362         (_mm512_prefetch_i32scatter_ps): Ditto.
24363         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
24364         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
24365         (_mm512_prefetch_i64scatter_pd): Ditto.
24366         (_mm512_prefetch_i64scatter_ps): Ditto.
24367         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
24368         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
24369         * config/i386/avx512vlintrin.h
24370         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
24371         (_mm_mmask_i32gather_ps): Ditto.
24372         (_mm256_mmask_i32gather_pd): Ditto.
24373         (_mm_mmask_i32gather_pd): Ditto.
24374         (_mm256_mmask_i64gather_ps): Ditto.
24375         (_mm_mmask_i64gather_ps): Ditto.
24376         (_mm256_mmask_i64gather_pd): Ditto.
24377         (_mm_mmask_i64gather_pd): Ditto.
24378         (_mm256_mmask_i32gather_epi32): Ditto.
24379         (_mm_mmask_i32gather_epi32): Ditto.
24380         (_mm256_mmask_i32gather_epi64): Ditto.
24381         (_mm_mmask_i32gather_epi64): Ditto.
24382         (_mm256_mmask_i64gather_epi32): Ditto.
24383         (_mm_mmask_i64gather_epi32): Ditto.
24384         (_mm256_mmask_i64gather_epi64): Ditto.
24385         (_mm_mmask_i64gather_epi64): Ditto.
24386         (_mm256_i32scatter_ps): Change __addr type to void*.
24387         (_mm256_mask_i32scatter_ps): Ditto.
24388         (_mm_i32scatter_ps): Ditto.
24389         (_mm_mask_i32scatter_ps): Ditto.
24390         (_mm256_i32scatter_pd): Ditto.
24391         (_mm256_mask_i32scatter_pd): Ditto.
24392         (_mm_i32scatter_pd): Ditto.
24393         (_mm_mask_i32scatter_pd): Ditto.
24394         (_mm256_i64scatter_ps): Ditto.
24395         (_mm256_mask_i64scatter_ps): Ditto.
24396         (_mm_i64scatter_ps): Ditto.
24397         (_mm_mask_i64scatter_ps): Ditto.
24398         (_mm256_i64scatter_pd): Ditto.
24399         (_mm256_mask_i64scatter_pd): Ditto.
24400         (_mm_i64scatter_pd): Ditto.
24401         (_mm_mask_i64scatter_pd): Ditto.
24402         (_mm256_i32scatter_epi32): Ditto.
24403         (_mm256_mask_i32scatter_epi32): Ditto.
24404         (_mm_i32scatter_epi32): Ditto.
24405         (_mm_mask_i32scatter_epi32): Ditto.
24406         (_mm256_i32scatter_epi64): Ditto.
24407         (_mm256_mask_i32scatter_epi64): Ditto.
24408         (_mm_i32scatter_epi64): Ditto.
24409         (_mm_mask_i32scatter_epi64): Ditto.
24410         (_mm256_i64scatter_epi32): Ditto.
24411         (_mm256_mask_i64scatter_epi32): Ditto.
24412         (_mm_i64scatter_epi32): Ditto.
24413         (_mm_mask_i64scatter_epi32): Ditto.
24414         (_mm256_i64scatter_epi64): Ditto.
24415         (_mm256_mask_i64scatter_epi64): Ditto.
24416         (_mm_i64scatter_epi64): Ditto.
24417         (_mm_mask_i64scatter_epi64): Ditto.
24418         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
24419         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
24420         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
24421         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
24422         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
24423         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
24424         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
24425         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
24426         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
24427         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
24428         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
24429         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
24430         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
24431         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
24432         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
24433         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
24434         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
24435         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
24436         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
24437         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
24438         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
24439         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
24440         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
24441         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
24442         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
24443         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
24444         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
24445         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
24446         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
24447         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
24448         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
24449         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
24450         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
24451         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
24452         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
24453         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
24454         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
24455         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
24456         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
24457         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
24458         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
24459         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
24460         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
24461         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
24462         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
24463         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
24464         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
24465         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
24466         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
24467         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
24468         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
24469         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
24470         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
24471         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
24472         definitions accordingly.
24473
24474 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
24475             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
24476
24477         PR target/79079
24478         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
24479         gen_lowpart.
24480
24481 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
24482
24483         PR target/79058
24484         * ira-conflicts.c (ira_build_conflicts): Update total conflict
24485         hard regs for inner regno.
24486
24487 2017-01-17  Martin Liska  <mliska@suse.cz>
24488
24489         PR ipa/71207
24490         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
24491         assumption and add comment.
24492
24493 2017-01-17  Nathan Sidwell  <nathan@acm.org>
24494
24495         * ipa-visibility.c (localize_node): New function, broken out of ...
24496         (function_and_variable_visibility): ... here. Call it.
24497
24498 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24499
24500         PR middle-end/77445
24501         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
24502         correctly set frequency of oudgoing edge.
24503         (duplicate_thread_path): Fix profile updating.
24504
24505 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24506
24507         PR other/79046
24508         * configure.ac: Add GCC_BASE_VER.
24509         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
24510         version from BASE-VER file.
24511         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
24512         (gcc.o): Depend on $(BASEVER).
24513         * common.opt (dumpfullversion): New option.
24514         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
24515         * doc/invoke.texi: Document -dumpfullversion.
24516         * doc/install.texi: Document --with-gcc-major-version-only.
24517         * configure: Regenerated.
24518
24519 2017-01-17  Richard Biener  <rguenther@suse.de>
24520
24521         PR tree-optimization/71433
24522         * tree-vrp.c (register_new_assert_for): Merge same asserts
24523         on all incoming edges.
24524         (process_assert_insertions_for): Handle insertions at the
24525         beginning of BBs.
24526
24527 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
24528
24529         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
24530         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
24531
24532 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
24533
24534         PR target/78633
24535         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
24536         RTL sharing.
24537
24538 2017-01-17  Alan Modra  <amodra@gmail.com>
24539
24540         PR target/79066
24541         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
24542         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
24543         symbolic stack limit when pic.
24544
24545 2017-01-16  Martin Sebor  <msebor@redhat.com>
24546
24547         PR tree-optimization/78608
24548         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
24549
24550 2017-01-16  Jeff Law  <law@redhat.com>
24551
24552         Revert:
24553         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
24554         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
24555         for several include directories that may be relative to sysroot.
24556         * config/i386/x-mingw32 (gplus_includedir): Define.
24557         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
24558         (native_system_includedir): Likewise.
24559         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
24560         override if TARGET_SYSTEM_ROOT is defined.
24561         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
24562
24563         PR tree-optimization/79090
24564         PR tree-optimization/33562
24565         PR tree-optimization/61912
24566         PR tree-optimization/77485
24567         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
24568         and computed trims into the dump file.
24569
24570 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24571
24572         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
24573
24574 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
24575
24576         PR c/79089
24577         * gimplify.c (gimplify_init_constructor): If want_value and
24578         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
24579         fix.
24580
24581         PR target/79080
24582         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
24583         sequence.  Formatting fixes.
24584         (doloop_optimize): Formatting fixes.
24585
24586         PR driver/49726
24587         * gcc.c (debug_level_greater_than_spec_func): New function.
24588         (static_spec_functions): Add debug-level-gt spec function.
24589         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
24590         !g0.
24591         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24592         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24593         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
24594         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
24595         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
24596         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
24597
24598 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
24599
24600         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
24601         QImode fixups to general and mask registers only.
24602
24603 2017-01-16  Carl Love  <cel@us.ibm.com>
24604
24605         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
24606         for built-in functions
24607         vector signed char vec_nabs (vector signed char)
24608         vector signed short vec_nabs (vector signed short)
24609         vector signed int vec_nabs (vector signed int)
24610         vector signed long long vec_nabs (vector signed long long)
24611         vector float vec_nabs (vector float)
24612         vector double vec_nabs (vector double)
24613         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
24614         and NABS overload.
24615         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
24616         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
24617         * doc/extend.texi: Update the documentation file for the new built-in
24618         functions.
24619
24620 2017-01-16  Martin Sebor  <msebor@redhat.com>
24621
24622         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
24623         message.
24624
24625 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24626
24627         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
24628         UNSPEC_VSX__XXSPLTD to require special splat handling.
24629
24630 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
24631
24632         PR bootstrap/78616
24633         * system.h: Poison strndup.
24634
24635 2017-01-16  Alan Modra  <amodra@gmail.com>
24636
24637         PR target/79098
24638         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
24639         use a switch.
24640
24641 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
24642
24643         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
24644
24645 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
24646
24647         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
24648         call recog here.  Assert that INSN_CODE (insn) is non-negative.
24649
24650 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24651
24652         PR target/72749
24653         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
24654         fallthrough.
24655         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
24656         in the currently scheduled RTL fragment.
24657
24658 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24659
24660         PR rtl-optimization/78751
24661         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
24662         give up.
24663
24664 2017-01-14  Jeff Law  <law@redhat.com>
24665
24666         PR tree-optimization/79090
24667         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
24668         variable length stores.
24669         (compute_trims): Delete dead assignment to *trim_tail.
24670         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
24671         zero length.
24672
24673 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
24674
24675         PR rtl-optimization/78626
24676         PR rtl-optimization/78727
24677         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
24678         of a block, and split such blocks after everything else is finished.
24679
24680 2017-01-14  Alan Modra  <amodra@gmail.com>
24681
24682         PR target/72749
24683         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
24684         target legitimate_combined_insn.
24685         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
24686         (rs6000_legitimate_combined_insn): New function.
24687         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
24688         all uses.
24689         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
24690         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
24691         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
24692
24693 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
24694
24695         * doc/frontends.texi (G++ and GCC): Remove references to Java.
24696
24697 2017-01-13  Jeff Law  <law@redhat.com>
24698
24699         PR tree-optimization/33562
24700         PR tree-optimization/61912
24701         PR tree-optimization/77485
24702         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
24703         a statement.
24704         (delete_dead_assignment): Likewise.
24705         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
24706         statement to delete_dead_call and delete_dead_assignment.
24707
24708 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
24709
24710         PR c/78304
24711         * substring-locations.c (format_warning_va): Strengthen case 1 so
24712         that both endpoints of the substring must be within the format
24713         range for just the substring to be printed.
24714
24715 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
24716
24717         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
24718         * config/i386/i386.c (ix86_target_string): Add missing options
24719         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
24720         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
24721         flags_other and ix86_target_other to flags2_other.  Display unknown
24722         isa2 options.
24723         (ix86_valid_target_attribute_inner_p): Add missing options and
24724         reorder options by implied ISAs, as in ix86_target_string.
24725
24726 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
24727
24728         * hash-table.h (hash_table::too_empty_p): New function.
24729         (hash_table::expand): Use it.
24730         (hash_table::traverse): Likewise.
24731         (hash_table::empty_slot): Use sizeof (value_type) instead of
24732         sizeof (PTR) to convert bytes to elements.  Shrink the table
24733         if the current size is excessive for the current number of
24734         elements.
24735
24736 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
24737
24738         * ira-costs.c (record_reg_classes): Break from the inner loop
24739         early once alt_fail is known to be true.  Update outer loop
24740         handling accordingly.
24741
24742 2017-01-13  Jeff Law  <law@redhat.com>
24743
24744         * tree-ssa-dse.c (decrement_count): New function.
24745         (increment_start_addr, maybe_trim_memstar_call): Likewise.
24746         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
24747         when we know the partially dead statement is a mem* function.
24748
24749         PR tree-optimization/61912
24750         PR tree-optimization/77485
24751         * tree-ssa-dse.c: Include expr.h.
24752         (maybe_trim_constructor_store): New function.
24753         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
24754
24755         PR tree-optimization/33562
24756         PR tree-optimization/61912
24757         PR tree-optimization/77485
24758         * doc/invoke.texi: Document new dse-max-object-size param.
24759         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
24760         * tree-ssa-dse.c: Include params.h.
24761         (dse_store_status): New enum.
24762         (initialize_ao_ref_for_dse): New, partially extracted from
24763         dse_optimize_stmt.
24764         (valid_ao_ref_for_dse, normalize_ref): New.
24765         (setup_live_bytes_from_ref, compute_trims): Likewise.
24766         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
24767         (maybe_trim_partially_dead_store): Likewise.
24768         (maybe_trim_complex_store): Likewise.
24769         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
24770         Track what bytes live from the original store.  Return tri-state
24771         for dead, partially dead or live.
24772         (dse_dom_walker): Add constructor, destructor and new private members.
24773         (delete_dead_call, delete_dead_assignment): New extracted from
24774         dse_optimize_stmt.
24775         (dse_optimize_stmt): Make a member of dse_dom_walker.
24776         Use initialize_ao_ref_for_dse.
24777
24778         PR tree-optimization/33562
24779         PR tree-optimization/61912
24780         PR tree-optimization/77485
24781         * sbitmap.h (bitmap_count_bits): Prototype.
24782         (bitmap_clear_range, bitmap_set_range): Likewise.
24783         * sbitmap.c (bitmap_clear_range): New function.
24784         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
24785
24786 2017-01-13  Martin Liska  <mliska@suse.cz>
24787
24788         PR ipa/79043
24789         * function.c (set_cfun): Add new argument force.
24790         * function.h (set_cfun): Likewise.
24791         * ipa-inline-transform.c (inline_call): Use the function when
24792         strict alising from is dropped for function we inline to.
24793
24794 2017-01-13  Richard Biener  <rguenther@suse.de>
24795
24796         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
24797         for dumping GIMPLE INTEGER_CSTs.
24798
24799 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24800
24801         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
24802         to 201112L since C++17.
24803
24804 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
24805
24806         PR sanitizer/78887
24807         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
24808         if -fsanitize=kernel-address is present.
24809
24810 2017-01-13  Richard Biener  <rguenther@suse.de>
24811
24812         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
24813         as _Literal ( type ) number in case usual suffixes do not
24814         preserve all information.
24815
24816 2017-01-13  Richard Biener  <rguenther@suse.de>
24817
24818         PR tree-optimization/77283
24819         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
24820         and ssa-iterators.h.
24821         (is_feasible_trace): Implement a cost model based on joiner
24822         PHI node uses.
24823
24824 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
24825
24826         PR target/79004
24827         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
24828         char or short to __float128/_Float128 directly.
24829
24830 2017-01-12  Martin Sebor  <msebor@redhat.com>
24831
24832         to -Wformat-overflow.
24833         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
24834         (min_bytes_remaining): Same.
24835         (get_string_length): Same.
24836         (format_string): Same.
24837         (format_directive): Same.
24838         (add_bytes): Same.
24839         (pass_sprintf_length::handle_gimple_call): Same.
24840
24841 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
24842
24843         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
24844         info.nowrite calls with no lhs that can't throw.  Return bool
24845         whether gsi_remove has been called or not.
24846         (pass_sprintf_length::handle_gimple_call): Return bool whether
24847         try_substitute_return_value called gsi_remove.  Formatting fix.
24848         (pass_sprintf_length::execute): Don't use gsi_remove if
24849         handle_gimple_call returned true.
24850
24851         PR bootstrap/79069
24852         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
24853         be removed due to side-effects, don't remove following barrier nor
24854         turn the successor edge into fallthru edge.
24855
24856 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24857
24858         PR target/79044
24859         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
24860         element-reversing loads and stores as not swappable.
24861
24862 2017-01-12  Nathan Sidwell  <nathan@acm.org>
24863             Nicolai Stange  <nicstange@gmail.com>
24864
24865         * combine.c (try_combine): Don't ignore result of overlap checking
24866         loop.  Combine overlap & asm check into single loop.
24867
24868 2017-01-12  Richard Biener  <rguenther@suse.de>
24869
24870         * tree-pretty-print.c (dump_generic_node): Provide -gimple
24871         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
24872
24873 2017-01-12  Richard Biener  <rguenther@suse.de>
24874
24875         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
24876         and TS_TARGET_OPTION directly derive from TS_BASE.
24877         * tree-core.h (tree_optimization_option): Derive from tree_base.
24878         (tree_target_option): Likewise.
24879
24880 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
24881
24882         * config/i386/i386.c (memory_address_length): Increase len
24883         only when rip_relative_addr_p returns false.
24884
24885 2017-01-11  Julia Koval  <julia.koval@intel.com>
24886
24887         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
24888         (OPTION_MASK_ISA_SGX_SET): New.
24889         (ix86_handle_option): Handle OPT_msgx.
24890         * config.gcc: Added sgxintrin.h.
24891         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
24892         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
24893         * config/i386/i386.c (ix86_target_string): Add -msgx.
24894         (PTA_SGX): New.
24895         (ix86_option_override_internal): Handle new options.
24896         (ix86_valid_target_attribute_inner_p): Add sgx.
24897         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
24898         * config/i386/i386.opt: Add msgx.
24899         * config/i386/sgxintrin.h: New file.
24900         * config/i386/x86intrin.h: Add sgxintrin.h.
24901
24902 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
24903
24904         PR c++/71537
24905         * fold-const.c (maybe_nonzero_address): Return 1 for function
24906         local objects.
24907         (tree_single_nonzero_warnv_p): Don't handle function local objects
24908         here.
24909
24910         PR c++/72813
24911         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
24912         of c-header.
24913
24914 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
24915
24916         PR driver/78877
24917         * opts.c: Include "spellcheck.h"
24918         (struct string_fragment): New struct.
24919         (struct edit_distance_traits<const string_fragment &>): New
24920         struct.
24921         (get_closest_sanitizer_option): New function.
24922         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
24923
24924 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
24925
24926         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
24927         by 12.
24928         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
24929         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
24930         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
24931         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
24932         for initial die_offset if dwarf_split_debug_info.
24933         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
24934         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
24935         fields.
24936         (output_skeleton_debug_sections): Formatting fix.  Use
24937         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
24938         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
24939
24940 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
24941
24942         * config/arm/cortex-a53.md: Add bypasses for
24943         cortex_a53_r2f_cvt.
24944         (cortex_a53_r2f): Only use for transfers.
24945         (cortex_a53_f2r): Likewise.
24946         (cortex_a53_r2f_cvt): Add reservation for conversions.
24947         (cortex_a53_f2r_cvt): Likewise.
24948
24949 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
24950
24951         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
24952         to all inlined functions, change static to extern.
24953
24954 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
24955
24956         PR target/78253
24957         * config/arm/arm.c (legitimize_pic_address): Handle reference to
24958         weak symbol.
24959         (arm_assemble_integer): Likewise.
24960
24961 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
24962
24963         * config.gcc: Use new awk script to check CPU, FPU and architecture
24964         parameters for --with-... options.
24965         * config/arm/parsecpu.awk: New file
24966         * config/arm/arm-cpus.in: New file.
24967         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
24968         files.
24969         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
24970         files.
24971         * config/arm/t-arm: Update dependency rules.
24972         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
24973         of processing .def files.
24974         * config/arm/genopt.sh: Deleted.
24975         * config/arm/gentune.sh: Deleted.
24976         * config/arm/arm-cores.def: Deleted.
24977         * config/arm/arm-arches.def: Deleted.
24978         * config/arm/arm-fpus.def: Deleted.
24979         * config/arm/arm-tune.md: Regenerated.
24980         * config/arm/arm-tables.opt: Regenerated.
24981         * config/arm/arm-cpu.h: New generated file.
24982         * config/arm/arm-cpu-data.h: New generated file.
24983         * config/arm/arm-cpu-cdata.h: New generated file.
24984
24985 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
24986
24987         PR lto/79042
24988         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
24989         bit.
24990         (input_varpool_node): Unpack dynamically_initialized bit.
24991
24992 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
24993
24994         PR rtl-optimization/79032
24995         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
24996         the alignment of the adjusted memory reference against that of MODE,
24997         instead of the alignment of the original memory reference.
24998
24999 2017-01-11  Martin Jambor  <mjambor@suse.cz>
25000
25001         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
25002         test.
25003         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
25004         decorated functions.
25005
25006 2017-01-11  Richard Biener  <rguenther@suse.de>
25007
25008         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
25009         set range/nonnull info for PHI results.  Do not set it on
25010         stmts marked for removal.
25011
25012 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
25013
25014         * expr.c (store_field): In the bitfield case, fetch the return value
25015         from the registers before applying a single big-endian adjustment.
25016         Always do a final load for a BLKmode value not larger than a word.
25017
25018 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
25019
25020         PR c++/77949
25021         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25022         that we correctly handle column numbers greater than
25023         LINE_MAP_MAX_COLUMN_NUMBER.
25024
25025 2017-01-10  Martin Sebor  <msebor@redhat.com>
25026
25027         PR middle-end/78245
25028         * gimple-ssa-sprintf.c (get_destination_size): Call
25029         {init,fini}object_sizes.
25030         * tree-object-size.c (addr_object_size): Adjust.
25031         (pass_through_call): Adjust.
25032         (pass_object_sizes::execute): Adjust.
25033         * tree-object-size.h (fini_object_sizes): Declare.
25034
25035 2017-01-10  Martin Sebor  <msebor@redhat.com>
25036
25037         PR tree-optimization/78775
25038         * builtins.c (get_size_range): Move...
25039         * calls.c: ...to here.
25040         (alloc_max_size): Accept zero argument.
25041         (operand_signed_p): Remove.
25042         (maybe_warn_alloc_args_overflow): Call get_size_range.
25043         * calls.h (get_size_range): Declare.
25044
25045 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
25046
25047         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
25048         from TI's devices.csv file as of September 2016.
25049         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
25050
25051 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
25052
25053         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
25054         * doc/invoke.texi: Likewise.
25055         * doc/md.texi: Likewise.
25056         * doc/objc.texi: Likewise.
25057
25058 2017-01-10  Joshua Conner  <joshconner@google.com>
25059
25060         * config/arm/fuchsia-elf.h: New file.
25061         * config/fuchsia.h: New file.
25062         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
25063         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
25064         targets.
25065         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
25066
25067 2016-01-10  Richard Biener  <rguenther@suse.de>
25068
25069         PR tree-optimization/79034
25070         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
25071         Propagate out degenerate PHIs in the joiner.
25072
25073 2017-01-10  Martin Liska  <mliska@suse.cz>
25074
25075         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
25076         (sort_congruence_classes_by_decl_uid): Likewise.
25077         (sort_congruence_class_groups_by_decl_uid): Likewise.
25078         (sem_item_optimizer::merge_classes): Sort class, groups in these
25079         classes and members in the groups by DECL_UID of declarations.
25080         This would make merge operations stable.
25081
25082 2017-01-10  Martin Liska  <mliska@suse.cz>
25083
25084         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
25085         usage of m_classes_vec.
25086         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
25087         (sem_item_optimizer::get_group_by_hash): Likewise.
25088         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
25089         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
25090         (sem_item_optimizer::verify_classes): Likewise.
25091         (sem_item_optimizer::process_cong_reduction): Likewise.
25092         (sem_item_optimizer::dump_cong_classes): Likewise.
25093         (sem_item_optimizer::merge_classes): Likewise.
25094         * ipa-icf.h (congruence_class_hash): Rename from
25095         congruence_class_group_hash.  Remove declaration of m_classes_vec.
25096
25097 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
25098
25099         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
25100         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
25101         * config.gcc: Add avx512vpopcntdqintrin.h.
25102         * config/i386/avx512vpopcntdqintrin.h: New.
25103         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
25104         * config/i386/i386-builtin-types.def: Add new types.
25105         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
25106         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
25107         __builtin_ia32_vpopcountq_v8di_mask): New.
25108         * config/i386/i386-c.c (ix86_target_macros_internal): Define
25109         __AVX512VPOPCNTDQ__.
25110         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
25111         (PTA_AVX512VPOPCNTDQ): Define.
25112         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
25113         TARGET_AVX512VPOPCNTDQ_P): Define.
25114         * config/i386/i386.opt: Add mavx512vpopcntdq.
25115         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
25116         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
25117
25118 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25119
25120         PR middle-end/77484
25121         * predict.def (PRED_CALL): Set to 67.
25122
25123 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
25124
25125         * expr.c (store_field): In the bitfield case, if the value comes from
25126         a function call and is of an aggregate type returned in registers, do
25127         not modify the field mode; extract the value in all cases if the mode
25128         is BLKmode and the size is not larger than a word.
25129
25130 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
25131
25132         PR target/71017
25133         * config/i386/cpuid.h: Fix undefined behavior.
25134
25135 2017-01-04  Jeff Law  <law@redhat.com>
25136
25137         PR tree-optimization/79007
25138         PR tree-optimization/67955
25139         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
25140         conservative for pt.null when flag_non_call_exceptions is on.
25141
25142 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25143
25144         PR translation/79019
25145         PR translation/79020
25146         * params.def (PARAM_INLINE_MIN_SPEEDUP,
25147         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
25148         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
25149         in descriptions.
25150         * config/avr/avr.opt (maccumulate-args): Likewise.
25151         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
25152         * common.opt (freport-bug): Likewise.
25153         * cif-code.def (CIF_FINAL_ERROR): Likewise.
25154         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
25155         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
25156         translatable string.
25157         * config/i386/i386.c (function_value_32): Likewise.
25158         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
25159         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
25160         Likewise.
25161         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
25162         * common/config/msp430/msp430-common.c (msp430_handle_option):
25163         Likewise.
25164         * symtab.c (symtab_node::verify_base): Likewise.
25165         * opts.c (set_debug_level): Likewise.
25166         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
25167         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
25168         missing whitespace to translatable strings.
25169         * config/avr/avr.md (bswapsi2): Fix typo in comment.
25170         * config/sh/superh.h: Likewise.
25171         * config/i386/xopintrin.h: Likewise.
25172         * config/i386/znver1.md: Likewise.
25173         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
25174         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
25175         * double-int.h (struct double_int): Likewise.
25176         * double-int.c (div_and_round_double): Likewise.
25177         * wide-int.cc: Likewise.
25178         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
25179         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
25180         * cfgcleanup.c (crossjumps_occured): Renamed to ...
25181         (crossjumps_occurred): ... this.
25182         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
25183         Adjust all uses.
25184
25185         PR tree-optimization/78899
25186         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
25187         returning bool return struct loop *, NULL for failure and the new
25188         loop on success.
25189         (versionable_outer_loop_p): Don't version outer loop if it has
25190         dont_vectorized bit set.
25191         (tree_if_conversion): When versioning outer loop, ensure
25192         tree_if_conversion is performed also on the inner loop of the
25193         non-vectorizable outer loop copy.
25194         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
25195         LOOP_VECTORIZED in inner loop of the scalar outer loop and
25196         prevent vectorization of it.
25197         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
25198         the outer loop vectorization of the non-scalar version is attempted
25199         before vectorization of the inner loop in scalar version.  If
25200         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
25201         vectorization of its inner loop.
25202         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
25203         has 2 inner loops, rename also on edges from bb whose single pred
25204         is outer_loop->header.  Fix typo in function comment.
25205
25206 2017-01-09  Martin Sebor  <msebor@redhat.com>
25207
25208         PR bootstrap/79033
25209         * asan.c (asan_emit_stack_protection): Increase local buffer size
25210         to avoid snprintf truncation warning.
25211
25212 2017-01-09  Andrew Pinski  <apinski@cavium.com>
25213
25214         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
25215         to reference thunderx2t99 for the tuning structure
25216         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
25217         Rename to ...
25218         (thunderx2t99_extra_costs): This.
25219         * config/aarch64/aarch64-tune.md: Regenerate.
25220         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
25221         (vulcan_addrcost_table): This.
25222         (vulcan_regmove_cost): Rename to ...
25223         (thunderx2t99_regmove_cost): This.
25224         (vulcan_vector_cost): Rename to ...
25225         (thunderx2t99_vector_cost): this.
25226         (vulcan_branch_cost): Rename to ...
25227         (thunderx2t99_branch_cost): This.
25228         (vulcan_tunings): Rename to ...
25229         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
25230         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
25231
25232 2017-01-09  Martin Jambor  <mjambor@suse.cz>
25233
25234         PR ipa/78365
25235         PR ipa/78599
25236         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
25237         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
25238         (propagate_vr_accross_jump_function): Use the above function for all
25239         value range computations for pass-through jump functions and type
25240         converasion from explicit value range values.
25241         (ipcp_propagate_stage): Do not attempt to deduce types of formal
25242         parameters from TYPE_ARG_TYPES.
25243         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
25244         (ipa_write_node_info): Stream type of the actual argument.
25245         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
25246
25247 2017-01-09  Martin Liska  <mliska@suse.cz>
25248
25249         PR pch/78970
25250         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
25251         (lookup_compiler): Do not show error message with have_E.
25252
25253 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25254
25255         PR tree-optimization/78938
25256         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
25257         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
25258         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
25259         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
25260         fixes.
25261
25262 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25263
25264         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
25265         is const0_rtx.
25266
25267 2017-01-09  Richard Biener  <rguenther@suse.de>
25268
25269         PR tree-optimization/78997
25270         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
25271         name condition properly.
25272
25273 2017-01-09  Richard Biener  <rguenther@suse.de>
25274
25275         PR debug/79000
25276         * dwarf2out.c (is_cxx): New overload with context.
25277         (is_naming_typedef_decl): Use it.
25278
25279 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25280
25281         * invoke.texi (Option Summary): Correct spacing in option lists
25282         and add line breaks to fix over-long lines.
25283
25284 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25285
25286         PR middle-end/17660
25287
25288         * extend.texi (Common Variable Attributes): Add xref to GCC
25289         Internals manual to explain mode attribute keywords.
25290
25291 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25292
25293         PR other/16519
25294         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
25295         and Preprocessor Options.
25296         (Options for Linking): Document -pthread here....
25297         (RS/6000 and PowerPC Options): ...not here.
25298         (Solaris 2 Options): ...or here.
25299         * doc/cppopts.texi: Document -pthread.
25300
25301 2017-01-08  Martin Sebor  <msebor@redhat.com>
25302
25303         PR middle-end/77708
25304         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
25305         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
25306         New member functions.
25307         (format_directive): Used them.
25308         (add_bytes): Same.
25309         (pass_sprintf_length::handle_gimple_call): Same.
25310         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
25311         to avoid truncation for any argument.
25312         (extract_affine_mul): Same.
25313         * tree.c (get_file_function_name): Same.
25314
25315 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25316
25317         PR middle-end/77484
25318         * predict.def (PRED_INDIR_CALL): Set to 86.
25319
25320 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25321
25322         PR preprocessor/54124
25323         * doc/cppopts.texi: Reformat -d subtable to list the full name
25324         of the options.  Add cross-reference to the docs for the general
25325         compiler -d options.
25326         * doc/invoke.texi (Developer Options): Add cross-reference to the
25327         preprocessor-specific -d option documentation.
25328
25329 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25330
25331         PR preprocessor/13498
25332         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
25333         redudant material, and reflect new command-line options.
25334         (System Headers): Likewise.
25335
25336 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25337
25338         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
25339         -isystem, and -idirafter.  Copy-edit.
25340         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
25341         default for -ftrack-macro-expansion.  Delete obsolete and
25342         badly-formatted implementation details about -fdebug-cpp output.
25343         * doc/cppwarnopts.texi: Copy-edit.
25344
25345 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
25346
25347         PR c++/72803
25348         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25349         that the transition from a max line width >= 1<<10 to narrower
25350         lines works correctly.
25351
25352 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
25353
25354         * doc/options.texi (PerFunction): New.
25355         * opt-functions.awk (switch_flags): Map both Optimization and
25356         PerFunction to CL_OPTIMIZATION.
25357         * opth-gen.awk: Test for PerFunction flag along with
25358         Optimization.
25359         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
25360         it only when the latter is present.  Skip those that don't in
25361         the hash function generator.
25362         * common.opt (fvar-tracking): Mark as PerFunction instead of
25363         Optimization.
25364         (fvar-tracking-assignments): Likewise.
25365         (fvar-tracking-assignments-toggle): Likewise.
25366         (fvar-tracking-uninit): Likewise.
25367
25368 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
25369
25370         PR translation/79018
25371         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
25372         the and store.
25373
25374 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
25375
25376         PR target/57583
25377         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
25378         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
25379         TARGET_LONG_JUMP_TABLE_OFFSETS.
25380         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
25381         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
25382         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
25383         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
25384         * config/m68k/m68k.md (tablejump expander): Likewise.
25385         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
25386         TARGET_LONG_JUMP_TABLE_OFFSETS.
25387         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
25388         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
25389
25390 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
25391             David Holsgrove <david.holsgrove@xilinx.com>
25392
25393         * common/config/microblaze/microblaze-common.c
25394         (TARGET_EXCEPT_UNWIND_INFO): Remove.
25395         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
25396         New prototype.
25397         * config/microblaze/microblaze.c (microblaze_must_save_register)
25398         (microblaze_expand_epilogue, microblaze_return_addr): Handle
25399         calls_eh_return.
25400         (microblaze_eh_return): New function.
25401         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
25402         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
25403         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
25404         * config/microblaze/microblaze.md (eh_return): New pattern.
25405
25406 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
25407
25408         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
25409         GCC_DIAGNOSTIC_STRINGIFY): Define.
25410
25411         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
25412
25413 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25414
25415         * config/arm/arm.md (<mcrr>): New.
25416         (<mrrc>): New.
25417         * config/arm/arm.c (arm_arch5te): New.
25418         (arm_option_override): Set arm_arch5te.
25419         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
25420         and mrrc2.
25421         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
25422         (arm_mcrr_qualifiers): ... this. New.
25423         (MRRC_QUALIFIERS): Define to...
25424         (arm_mrrc_qualifiers): ... this. New.
25425         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
25426         __arm_mrrc2): New.
25427         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
25428         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
25429         (MRRCI, mrrc, MRRC): New.
25430         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
25431         VUNSPEC_MRRC2): New.
25432
25433 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25434
25435         * config/arm/arm.md (<mcr>): New.
25436         (<mrc>): New.
25437         * config/arm/arm.c (arm_coproc_builtin_available): Add
25438         support for mcr, mrc, mcr2 and mrc2.
25439         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
25440         (arm_mcr_qualifiers): ... this. New.
25441         (MRC_QUALIFIERS): Define to ...
25442         (arm_mrc_qualifiers): ... this. New.
25443         (MCR_QUALIFIERS): Define to ...
25444         (arm_mcr_qualifiers): ... this. New.
25445         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
25446         __arm_mrc2): New.
25447         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
25448         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
25449         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
25450         VUNSPEC_MRC2): New.
25451
25452 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25453
25454         * config/arm/arm.md (*ldc): New.
25455         (*stc): New.
25456         (<ldc>): New.
25457         (<stc>): New.
25458         * config/arm/arm.c (arm_coproc_builtin_available): Add
25459         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
25460         (arm_coproc_ldc_stc_legitimate_address): New.
25461         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
25462         'qualifier_const_pointer'.
25463         (LDC_QUALIFIERS): Define to...
25464         (arm_ldc_qualifiers): ... this. New.
25465         (STC_QUALIFIERS): Define to...
25466         (arm_stc_qualifiers): ... this. New.
25467         * config/arm/arm-protos.h
25468         (arm_coproc_ldc_stc_legitimate_address): New.
25469         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
25470         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
25471         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
25472         stc2, stcl, stc2l): New.
25473         * config/arm/constraints.md (Uz): New.
25474         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
25475         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
25476         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
25477         VUNSPEC_STC2L): New.
25478
25479 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25480
25481         * config/arm/arm.md (<cdp>): New.
25482         * config/arm/arm.c (neon_const_bounds): Rename this ...
25483         (arm_const_bounds): ... this.
25484         (arm_coproc_builtin_available): New.
25485         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
25486         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
25487         (CDP_QUALIFIERS): Define to...
25488         (arm_cdp_qualifiers): ... this. New.
25489         (void_UP): Define.
25490         (arm_expand_builtin_args): Add case for 6 arguments.
25491         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
25492         (arm_const_bounds): ... this.
25493         (arm_coproc_builtin_available): New.
25494         * config/arm/arm_acle.h (__arm_cdp): New.
25495         (__arm_cdp2): New.
25496         * config/arm/arm_acle_builtins.def (cdp): New.
25497         (cdp2): New.
25498         * config/arm/iterators.md (CDPI,CDP,cdp): New.
25499         * config/arm/neon.md: Rename all 'neon_const_bounds' to
25500         'arm_const_bounds'.
25501         * config/arm/types.md (coproc): New.
25502         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
25503         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
25504         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
25505         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
25506
25507 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25508
25509         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
25510         (UBINOP_QUALIFIERS): New.
25511         (si_UP): Define.
25512         (acle_builtin_data): New. Change comment.
25513         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
25514         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
25515         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
25516         arm_acle_builtins.def.
25517         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
25518         (arm_init_acle_builtins): New.
25519         (CRC32_BUILTIN): Remove.
25520         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
25521         crc32cb, crc32ch and crc32cw.
25522         (arm_init_crc32_builtins): Remove.
25523         (arm_init_builtins): Use arm_init_acle_builtins rather
25524         than arm_init_crc32_builtins.
25525         (arm_expand_acle_builtin): New.
25526         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
25527         * config/arm/arm_acle_builtins.def: New.
25528
25529 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25530
25531         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
25532         (arm_builtin_datum): ... this.
25533         (arm_init_neon_builtin): Rename to ...
25534         (arm_init_builtin): ... this. Add a new parameters PREFIX
25535         and USE_SIG_IN_NAME.
25536         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
25537         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
25538         'arm_builtin_datum'.
25539         (arm_init_vfp_builtins): Likewise.
25540         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
25541         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
25542         (arm_expand_neon_args): Rename to ...
25543         (arm_expand_builtin_args): ... this. Rename builtin_arg
25544         enum values and differentiate between ARG_BUILTIN_MEMORY
25545         and ARG_BUILTIN_NEON_MEMORY.
25546         (arm_expand_neon_builtin_1): Rename to ...
25547         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
25548         values, arm_expand_builtin_args and add bool parameter NEON.
25549         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
25550         (arm_expand_vfp_builtin): Likewise.
25551         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
25552
25553 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25554
25555         PR middle-end/77484
25556         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
25557         * predict.c (tree_estimate_probability_bb): Reverse direction of
25558         polymorphic call predictor.
25559
25560 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
25561
25562         * passes.c (execute_one_pass): Split out pass-skipping logic into...
25563         (determine_pass_name_match): ...this new function and...
25564         (should_skip_pass_p): ...this new function.
25565
25566 2017-01-06  Nathan Sidwell  <nathan@acm.org>
25567
25568         * ipa-visibility.c (function_and_variable_visibility): Reformat
25569         comments and long lines.  Remove extrneous if.
25570         * symtab.c (symtab_node::make_decl_local): Fix code format.
25571         (symtab_node::set_section_for_node): Fix comment typo.
25572
25573 2017-01-06  Martin Liska  <mliska@suse.cz>
25574
25575         PR bootstrap/79003
25576         * lra-constraints.c: Rename invariant to lra_invariant.
25577         * predict.c (set_even_probabilities): Initialize e to NULL.
25578
25579 2017-01-05  Martin Sebor  <msebor@redhat.com>
25580
25581         PR tree-optimization/78910
25582         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
25583         (format_integer): Correct off-by-one error in the handling
25584         of precision with negative numbers in signed conversions..
25585
25586 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25587
25588         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
25589
25590 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25591
25592         PR tree-optimization/71016
25593         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
25594         factor_out_conditional_conversion.  Formatting fix.
25595         (factor_out_conditional_conversion): Add cond_stmt argument.
25596         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
25597         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
25598         Formatting fix.
25599
25600 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
25601
25602         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
25603         read-rtl-function.o, and selftest-rtl.o.
25604         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
25605         (selftest::aarch64_test_loading_full_dump): New function.
25606         (selftest::aarch64_run_selftests): New function.
25607         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
25608         selftest::aarch64_run_selftests.
25609         * config/i386/i386.c
25610         (selftest::ix86_test_loading_dump_fragment_1): New function.
25611         (selftest::ix86_test_loading_call_insn): New function.
25612         (selftest::ix86_test_loading_full_dump): New function.
25613         (selftest::ix86_test_loading_unspec): New function.
25614         (selftest::ix86_run_selftests): Call the new functions.
25615         * emit-rtl.c (maybe_set_max_label_num): New function.
25616         * emit-rtl.h (maybe_set_max_label_num): New decl.
25617         * function.c (instantiate_decls): Guard call to
25618         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
25619         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
25620         "static".
25621         * gensupport.c (gen_reader::gen_reader): Pass "false"
25622         for new "compact" param of rtx_reader.
25623         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
25624         rather than an empty string for NULL strings.
25625         * read-md.c: Potentially include config.h rather than bconfig.h.
25626         Wrap include of errors.h with #ifdef GENERATOR_FILE.
25627         (have_error): New global, copied from errors.c.
25628         (md_reader::read_name): Rename to...
25629         (md_reader::read_name_1): ...this, adding "out_loc" param,
25630         and converting "missing name or number" to returning false, rather
25631         than failing.
25632         (md_reader::read_name): Reimplement in terms of read_name_1.
25633         (md_reader::read_name_or_nil): New function.
25634         (md_reader::read_string): Handle "(nil)" by returning NULL.
25635         (md_reader::md_reader): Add new param "compact".
25636         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
25637         (md_reader::read_file): New method.
25638         * read-md.h (md_reader::md_reader): Add new param "compact".
25639         (md_reader::read_file): New method.
25640         (md_reader::is_compact): New accessor.
25641         (md_reader::read_name): Convert return type from void to file_location.
25642         (md_reader::read_name_or_nil): New decl.
25643         (md_reader::read_name_1): New decl.
25644         (md_reader::m_compact): New field.
25645         (noop_reader::noop_reader): Pass "false" for new "compact" param
25646         of rtx_reader.
25647         (rtx_reader::rtx_reader): Add new "compact" param.
25648         (rtx_reader::read_rtx_operand): Make virtual and convert return
25649         type from void to rtx.
25650         (rtx_reader::read_until): New decl.
25651         (rtx_reader::handle_any_trailing_information): New virtual function.
25652         (rtx_reader::postprocess): New virtual function.
25653         (rtx_reader::finalize_string): New virtual function.
25654         (rtx_reader::m_in_call_function_usage): New field.
25655         (rtx_reader::m_reuse_rtx_by_id): New field.
25656         * read-rtl-function.c: New file.
25657         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
25658         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
25659         (selftest::verify_three_block_rtl_cfg): New decl.
25660         * read-rtl-function.h: New file.
25661         * read-rtl.c: Potentially include config.h rather than bconfig.h.
25662         For host, include function.h, memmodel.h, and emit-rtl.h.
25663         (one_time_initialization): New function.
25664         (struct compact_insn_name): New struct.
25665         (compact_insn_names): New array.
25666         (find_code): Handle insn codes in compact dumps.
25667         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
25668         (bind_subst_iter_and_attr): Likewise.
25669         (add_condition_to_string): Likewise.
25670         (add_condition_to_rtx): Likewise.
25671         (apply_attribute_uses): Likewise.
25672         (add_current_iterators): Likewise.
25673         (apply_iterators): Likewise.
25674         (initialize_iterators): Guard usage of apply_subst_iterator with
25675         #ifdef GENERATOR_FILE.
25676         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
25677         (md_reader::read_mapping): Likewise.
25678         (add_define_attr_for_define_subst): Likewise.
25679         (add_define_subst_attr): Likewise.
25680         (read_subst_mapping): Likewise.
25681         (check_code_iterator): Likewise.
25682         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
25683         logic to...
25684         (one_time_initialization): New function.
25685         (rtx_reader::read_until): New method.
25686         (read_flags): New function.
25687         (parse_reg_note_name): New function.
25688         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
25689         Handle reuse_rtx ids.
25690         Wrap iterator lookup within #ifdef GENERATOR_FILE.
25691         Add parsing support for RTL dumps, mirroring the special-cases in
25692         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
25693         values, and calling handle_any_trailing_information.
25694         (rtx_reader::read_rtx_operand): Convert return type from void
25695         to rtx, returning return_rtx.  Handle case 'e'.  Call
25696         finalize_string on XSTR and XTMPL fields.
25697         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
25698          "(nil)" values were omitted.  Call the postprocess vfunc on the
25699         return_rtx.
25700         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
25701         class ctor.  Initialize m_in_call_function_usage.  Call
25702         one_time_initialization.
25703         * rtl-tests.c (selftest::test_uncond_jump): Call
25704         set_new_first_and_last_insn.
25705         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
25706         * selftest-rtl.c: New file.
25707         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
25708         (selftest::get_insn_by_uid): New decl.
25709         * selftest-run-tests.c (selftest::run_tests): Call
25710         read_rtl_function_c_tests.
25711         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
25712         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
25713         dumps.
25714
25715 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
25716
25717         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
25718         operands in a special way.  Assert that pos+len <= mode precision.
25719
25720 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25721
25722         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
25723         3 argument Alias with unlimited for the negative form.
25724         (fno-vect-cost-model): Removed.
25725
25726 2017-01-05  Martin Liska  <mliska@suse.cz>
25727
25728         * hsa-gen.c (gen_hsa_divmod): New function.
25729         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
25730
25731 2017-01-05  Martin Liska  <mliska@suse.cz>
25732
25733         PR pch/78970
25734         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
25735         header.
25736
25737 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25738
25739         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
25740         small constant length operands.
25741
25742 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25743
25744         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
25745         between loop iterations.
25746
25747 2017-01-05  Martin Liska  <mliska@suse.cz>
25748
25749         PR sanitizer/78815
25750         * gimplify.c (gimplify_decl_expr): Compare to
25751         asan_poisoned_variables instread of checking flags.
25752         (gimplify_target_expr): Likewise.
25753         (gimplify_expr): Likewise.
25754         (gimplify_function_tree): Conditionally initialize
25755         asan_poisoned_variables.
25756
25757 2017-01-04  Jeff Law  <law@redhat.com>
25758
25759         PR tree-optimizatin/78812
25760         * rtl.h (contains_mem_rtx_p): Prototype.
25761         * ifcvt.c (containts_mem_rtx_p): Move from here to...
25762         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
25763         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
25764         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
25765         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
25766
25767 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25768
25769         * input.c (assert_char_at_range): Default-initialize actual_range.
25770
25771 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25772
25773         * df-scan.c (df_ref_create_structure): Make regno unsigned,
25774         to match the caller.
25775
25776 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25777
25778         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
25779         insns after final jump in test to emit dummy move.
25780
25781 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25782
25783         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
25784         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
25785
25786 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25787
25788         * multiple_target.c (create_dispatcher_calls): Init e_next.
25789         * tree-ssa-loop-split.c (split_loop): Init border.
25790         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
25791         scalar_type.
25792
25793 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
25794
25795         PR target/71977
25796         PR target/70568
25797         PR target/78823
25798         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
25799         (altivec_register_operand): Do not return true if the operand
25800         contains a SUBREG mixing SImode and SFmode.
25801         (vsx_register_operand): Likewise.
25802         (vsx_reg_sfsubreg_ok): New predicate.
25803         (vfloat_operand): Do not return true if the operand contains a
25804         SUBREG mixing SImode and SFmode.
25805         (vint_operand): Likewise.
25806         (vlogical_operand): Likewise.
25807         (gpc_reg_operand): Likewise.
25808         (int_reg_operand): Likewise.
25809         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
25810         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
25811         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
25812         SImode and SFmode.
25813         (rs6000_emit_move_si_sf_subreg): New helper function.
25814         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
25815         fixup SUBREGs involving SImode and SFmode.
25816         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
25817         numbers for the new peephole2 optimization.
25818         (peephole2 for SFmode unions): New peephole2 to optimize cases in
25819         the GLIBC math library that do AND/IOR/XOR operations on single
25820         precision floating point.
25821         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
25822         target macros to say whether we need to avoid SUBREGs mixing
25823         SImode and SFmode.
25824         (TARGET_ALLOW_SF_SUBREG): Likewise.
25825         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
25826         (UNSPEC_SI_FROM_SF): Likewise.
25827         (iorxor): Change spacing.
25828         (and_ior_xor): New iterator for AND, IOR, and XOR.
25829         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
25830         (movdi_from_sf_zero_ext): Likewise.
25831         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
25832         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
25833         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
25834         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
25835         (fms<mode>4): Likewise.
25836         (fnma<mode>4): Likewise.
25837         (fnms<mode>4): Likewise.
25838         (nfma<mode>4): Likewise.
25839         (nfms<mode>4): Likewise.
25840
25841 2017-01-04  Marek Polacek  <polacek@redhat.com>
25842
25843         PR c++/64767
25844         * doc/invoke.texi: Document -Wpointer-compare.
25845
25846 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25847
25848         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
25849         RejectNegative.
25850
25851         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
25852         descriptions for -gdwarf-5 and emit them as uleb128 instead of
25853         2-byte data.
25854
25855 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
25856
25857         PR target/78056
25858         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
25859         documentation of the powerpc_popcntb_ok attribute.
25860         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
25861         code to issue warning messages if a requested CPU configuration is
25862         not supported by the binary (assembler and loader) toolchain.
25863         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
25864         made to define a built-in function that has been disabled.
25865         (paired_init_builtins): Add assertion to prevent ICE if attempt is
25866         made to define a built-in function that has been disabled.
25867         (altivec_init_builtins): Add comment explaining why definition
25868         of the DST built-in functions is not preceded by an assertion
25869         check.  Add assertions to prevent ICE if attempts are made to
25870         define an altivec predicate or an abs* built-in function that has
25871         been disabled.
25872         (htm_init_builtins): Add comment explaining why definition of the
25873         htm built-in functions is not preceded by an assertion check.
25874
25875 2017-01-04  Jeff Law  <law@redhat.com>
25876
25877         PR tree-optimizatin/67955
25878         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
25879         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
25880         the points-to solution does not include pt_null.  Use DECL_PT_UID
25881         unconditionally.
25882
25883 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
25884
25885         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
25886         Use gen_int_mode instead of gen_lopwart for const_int operands.
25887
25888 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25889
25890         PR tree-optimization/71563
25891         * match.pd: Simplify X << Y into X if Y is known to be 0 or
25892         out of range value - has low bits known to be zero.
25893
25894 2017-01-04  Alan Modra  <amodra@gmail.com>
25895
25896         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
25897         * configure: Regenerate.
25898         * config.in: Regenerate.
25899
25900 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25901
25902         PR bootstrap/77569
25903         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
25904         a substring of the message, but strcmp with the whole message.  Ifdef
25905         ENABLE_NLS, translate the message first using dgettext.
25906
25907 2017-01-03  Jeff Law  <law@redhat.com>
25908
25909         PR tree-optimizatin/78856
25910         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
25911         (mark_threaded_blocks): Remove code to truncate thread paths that
25912         cross multiple loop headers.  Instead invalidate the cached loop
25913         iteration information and handle case of a thread path walking
25914         into an irreducible region.
25915
25916 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
25917
25918         PR target/78900
25919         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
25920         assertions.  Add support for doing the signbit if the IEEE 128-bit
25921         floating point value is in a GPR.
25922         * config/rs6000/rs6000.md (Fsignbit): Delete.
25923         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
25924         Update the length attribute if the value is in a GPR.
25925         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
25926         the sign or zero extension instruction, since the value is always 0/1.
25927         (signbit<mode>2_dm2): Delete using <Fsignbit>.
25928
25929         PR target/78953
25930         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
25931         extracting SImode to a GPR register so that we can generate a
25932         store, limit the vector to be in a traditional Altivec register
25933         for the vextuwrx instruction.
25934
25935 2017-01-03  Ian Lance Taylor  <iant@google.com>
25936
25937         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
25938
25939 2017-01-03  Martin Sebor  <msebor@redhat.com>
25940
25941         PR tree-optimization/78696
25942         * gimple-ssa-sprintf.c (format_floating): Correct handling of
25943         precision.  Use MPFR for %f for greater fidelity.  Correct handling
25944         of %g.
25945         (pass_sprintf_length::compute_format_length): Set width and precision
25946         specified by asrerisk to void_node for vararg functions.
25947         (try_substitute_return_value): Adjust dump output.
25948
25949 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
25950
25951         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
25952
25953 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
25954
25955         * doc/invoke.texi (SPARC options): Document -mlra as the default.
25956         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
25957         -mlra/-mno-lra was passed to the compiler.
25958
25959 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
25960
25961         PR rtl-optimization/65618
25962         * emit-rtl.c (try_split): Move initialization of "before" and
25963         "after" to just before the call to emit_insn_after_setloc.
25964
25965 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
25966
25967         * doc/md.texi (Standard Names): Remove reference to Java frontend.
25968
25969 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
25970
25971         * dwarf2out.c (gen_enumeration_type_die): When
25972         -gno-strict-dwarf, add a DW_AT_encoding attribute.
25973
25974 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
25975
25976         PR tree-optimization/78965
25977         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
25978         Change first argument from const call_info & to call_info &.  For %n
25979         set info.nowrite to false.
25980
25981         PR middle-end/78901
25982         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
25983         possibly throwing calls.
25984
25985         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
25986         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
25987         and fns handling, rather than in a separate case SSA_NAME.
25988
25989 2017-01-02  Jeff Law  <law@redhat.com>
25990
25991         * config/darwin-driver.c (darwin_driver_init): Const-correctness
25992         fixes for first_period and second_period variables.
25993
25994 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
25995
25996         PR target/78967
25997         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
25998         (*insvqi_1): New insn pattern.
25999         (*insvqi_1_mem_rex64): Ditto.
26000         (*insvqi_2): Ditto.
26001         (*insvqi_3): Rename from *insvqi.
26002
26003         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
26004
26005 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
26006
26007         * doc/cfg.texi (Edges): Remove reference to Java.
26008         (Maintaining the CFG): Ditto.
26009
26010 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26011
26012         PR middle-end/77674
26013         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
26014         transparent aliases.
26015
26016 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26017
26018         PR middle-end/77484
26019         * predict.def (PRED_CALL): Update hitrate.
26020         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
26021         * predict.c (tree_estimate_probability_bb): Split CALL predictor
26022         into direct/indirect/polymorphic variants.
26023
26024 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
26025
26026         Update copyright years.
26027
26028         * gcc.c (process_command): Update copyright notice dates.
26029         * gcov-dump.c (print_version): Ditto.
26030         * gcov.c (print_version): Ditto.
26031         * gcov-tool.c (print_version): Ditto.
26032         * gengtype.c (create_file): Ditto.
26033         * doc/cpp.texi: Bump @copying's copyright year.
26034         * doc/cppinternals.texi: Ditto.
26035         * doc/gcc.texi: Ditto.
26036         * doc/gccint.texi: Ditto.
26037         * doc/gcov.texi: Ditto.
26038         * doc/install.texi: Ditto.
26039         * doc/invoke.texi: Ditto.
26040 \f
26041 Copyright (C) 2017 Free Software Foundation, Inc.
26042
26043 Copying and distribution of this file, with or without modification,
26044 are permitted in any medium without royalty provided the copyright
26045 notice and this notice are preserved.