gcc/ChangeLog

   1 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
   2
   3         PR target/79749
   4         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
   5         condition on optimize for the leaf function test.
   6
   7 2017-02-28  Martin Liska  <mliska@suse.cz>
   8
   9         PR lto/79625
  10         * read-rtl-function.c (function_reader::handle_unknown_directive):
  11         Bail out when one uses -flto.
  12
  13 2017-02-28  Martin Liska  <mliska@suse.cz>
  14
  15         * common.opt: Replace space with tabular for options of <number>
  16         type.
  17         * config/i386/i386.opt: Show <number> value for
  18         -mlarge-data-threshold.
  19         * opts.c (print_filtered_help): Do not display number in hexadecimal
  20         format.
  21
  22 2017-02-28  Martin Liska  <mliska@suse.cz>
  23
  24         * common.opt: Fix --help=option -Q for options which are of
  25         an enum type.
  26
  27 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
  28
  29         * config/i386/i386.c (print_reg): Error out for values
  30         of 8-bit size in invalid integer register.
  31
  32 2017-02-28  Martin Sebor  <msebor@redhat.com>
  33
  34         PR tree-optimization/79691
  35         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
  36
  37 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
  38
  39         PR target/79729
  40         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
  41         gcc_unreachable with output_operand_lossage.
  42
  43 2017-02-28  Richard Biener  <rguenther@suse.de>
  44
  45         PR tree-optimization/79740
  46         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
  47         inserts.
  48         (visit_nary_op): Insert the nary into the hashtable if we
  49         pattern-matched sth.
  50         * tree-ssa-pre.c (eliminate_insert): Robustify.
  51
  52 2017-02-28  Richard Biener  <rguenther@suse.de>
  53
  54         PR middle-end/79731
  55         * fold-const.c (decode_field_reference): Reject out-of-bound
  56         accesses.
  57
  58 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
  59
  60         * config/i386/i386.c: Include intl.h.
  61         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
  62         instead of just cond ? "..." : "...".
  63         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
  64         * coverage.c (read_counts_file): Likewise.
  65         * omp-offload.c: Include intl.h.
  66         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
  67         of just cond ? "..." : "...".
  68         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
  69         of just cond ? "..." : "...".
  70
  71 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
  72
  73         PR target/79742
  74         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
  75         entry, if present.
  76         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
  77         'tune for' CPU name.
  78         * config/arm/arm-cpu-data.h: Regenerated.
  79
  80 2017-02-28  Richard Biener  <rguenther@suse.de>
  81
  82         PR tree-optimization/79732
  83         * tree-inline.c (expand_call_inline): Do not shadow var.
  84
  85 2017-02-28  Richard Biener  <rguenther@suse.de>
  86
  87         PR tree-optimization/79723
  88         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
  89         address-space properly.
  90
  91 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
  92
  93         * doc/optinfo.texi (Optimization groups): Fix option used for
  94         OPTGROUP_ALL.
  95         * doc/invoke.texi (-fopt-info): Document "omp".
  96         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
  97         (OPTGROUP_ALL): Add OPTGROUP_OMP.
  98         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
  99         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
 100         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
 101
 102         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
 103         all users.
 104         * dumpfile.c (optgroup_options): Instead of "openmp", associate
 105         OPTGROUP_OMP with "omp".
 106
 107 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
 108
 109         PR target/79544
 110         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
 111         for arithmetic shift of unsigned V2DI.
 112
 113 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
 114
 115         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
 116         arc/linux.h headers.
 117         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
 118         (LINK_SPEC): Likewise.
 119         (ARC_TLS_EXTRA_START_SPEC): Likewise.
 120         (EXTRA_SPECS): Likewise.
 121         (STARTFILE_SPEC): Likewise.
 122         (ENDFILE_SPEC): Likewise.
 123         (LIB_SPEC): Likewise.
 124         (TARGET_SDATA_DEFAULT): Likewise.
 125         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
 126         (MULTILIB_DEFAULTS): Likewise.
 127         (DWARF2_UNWIND_INFO): Likewise.
 128         * config/arc/big.h: New file.
 129         * config/arc/elf.h: Likewise.
 130         * config/arc/linux.h: Likewise.
 131         * config/arc/t-uClibc: Remove.
 132
 133 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
 134
 135         PR tree-optimization/77536
 136         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
 137         (tree_transform_and_unroll_loop): Use above function to compute the
 138         estimated niter of unrolled loop and use it when scaling profile.
 139         Also use count info rather than frequency if it's non-zero.
 140         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
 141         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
 142         (vect_transform_loop): Call above function.
 143
 144 2017-02-27  Richard Biener  <rguenther@suse.de>
 145
 146         PR tree-optimization/45397
 147         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
 148         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
 149         (visit_nary_op): Add pattern matching for CSEing sign-changed
 150         or truncated operations with wider ones.
 151
 152 2017-02-27  Richard Biener  <rguenther@suse.de>
 153
 154         PR tree-optimization/79690
 155         * tree-vect-stmts.c (vectorizable_store): Use vector type
 156         built from the DR with address-space.
 157
 158 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
 159
 160         * doc/invoke.texi (Optimize Options): Refine the description
 161         of asan-use-after-return.
 162
 163 2017-02-25  Alan Modra  <amodra@gmail.com>
 164
 165         PR rtl-optimization/79584
 166         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
 167         base, not ad->base_term, the reg within base.  Remove assertion
 168         that ad->base == ad->base_term.  Replace gen_int_mode using
 169         bogus mode with const0_rtx.
 170
 171 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
 172
 173         PR middle-end/79396
 174         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
 175         FMA_EXPR like tcc_binary or tcc_unary.
 176
 177         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
 178
 179         PR debug/77589
 180         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
 181         bitfield.
 182         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
 183         (output_loc_operands): Handle DW_OP_call_ref and
 184         DW_OP_GNU_variable_value.
 185         (struct variable_value_struct): New type.
 186         (struct variable_value_hasher): Likewise.
 187         (variable_value_hash): New variable.
 188         (string_types): Remove.
 189         (copy_loc_descr): New function.
 190         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
 191         (prepend_loc_descr_to_each): New function.
 192         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
 193         instead of add_loc_descr_to_each if the first argument is single
 194         location list and the second has multiple.
 195         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
 196         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
 197         when looking for variable value which doesn't have other location info.
 198         (loc_list_from_tree): Formatting fix.
 199         (gen_array_type_die): Simplify DW_AT_string_length handling.
 200         (adjust_string_types): Remove.
 201         (gen_subprogram_die): Don't call adjust_string_types nor test/set
 202         string_types.  Call resolve_variable_values.
 203         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
 204         (resolve_addr_in_expr): Likewise.  Add A argument.
 205         (copy_deref_exprloc): Remove deref argument.  Adjust for the
 206         original expression being DW_OP_GNU_variable_value with optionally
 207         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
 208         optionally after it.
 209         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
 210         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
 211         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
 212         (variable_value_hasher::hash, variable_value_hasher::equal): New
 213         methods.
 214         (resolve_variable_value_in_expr, resolve_variable_value,
 215         resolve_variable_values, note_variable_value_in_expr,
 216         note_variable_value): New functions.
 217         (dwarf2out_early_finish): Call note_variable_value on all toplevel
 218         DIEs.
 219
 220 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
 221
 222         PR c/79677
 223         * opts.h (handle_generated_option): Add GENERATED_P argument.
 224         * opts-common.c (handle_option): Adjust function comment.
 225         (handle_generated_option): Add GENERATED_P argument, pass it to
 226         handle_option.
 227         (control_warning_option): Pass false to handle_generated_option
 228         GENERATED_P.
 229         * opts.c (maybe_default_option): Pass true to handle_generated_option
 230         GENERATED_P.
 231         * optc-gen.awk: Likewise.
 232
 233 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 234
 235         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
 236         a REG, look at the REG it is a SUBREG of.
 237         (splitter for cmpeqsi_t): Ditto.
 238
 239 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 240
 241         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
 242         the special USEs with the pattern of the insn, not the insn itself.
 243
 244 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
 245
 246         PR target/79473
 247         * doc/invoke.texi: Document -mload-store-pairs.
 248
 249 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 250             Sandra Loosemore  <sandra@codesourcery.com>
 251
 252         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
 253         argument isn't a CONST_INT.
 254         (nios2_alternate_compare_const): Assert op is a CONST_INT.
 255         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
 256         (nios2_validate_compare): Bypass alternate compare logic if *op2
 257         is not a CONST_INT.
 258         (ldstwm_operation_p): Return false if first_base is not a REG or
 259         if first_offset is not a CONST_INT.
 260
 261 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 262
 263         * config/cris/cris.md: Use correct operand in a define_peephole2.
 264
 265 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 266
 267         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
 268
 269 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 270
 271         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
 272         this_insn if it is an INSN or JUMP_INSN.
 273         (force_offsettable): Look at base, not at addr.
 274         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
 275         on things that aren't necessarily CONST_INTs.
 276
 277 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
 278
 279         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
 280         -mfpmath=sse is the default also for x86-32 targets with SSE2
 281         instruction set when @option{-ffast-math} is enabled
 282
 283 2017-02-24  Jeff Law  <law@redhat.com>
 284
 285         PR rtl-optimizatoin/79286
 286         * ira.c (update_equiv_regs): Drop may_trap_p exception to
 287         dominance test.
 288
 289 2017-02-24  Richard Biener  <rguenther@suse.de>
 290
 291         PR tree-optimization/79389
 292         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
 293         debug insns.
 294
 295 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
 296
 297         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
 298         function comment to reflect reality.
 299         (loop_exits_before_overflow): Fix typo in function description.
 300
 301 2017-02-24  Richard Biener  <rguenther@suse.de>
 302
 303         PR tree-optimization/79389
 304         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
 305         properly that a threading opportunity exists.  Detect conditional
 306         copy/constant propagation opportunities.
 307
 308 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
 309
 310         * config/visium/visium.md (type): Add trap.
 311         (b): New mode attribute.
 312         (*btst): Rename into...
 313         (*btst<mode>): ...this and adjust.
 314         (*cbranchsi4_btst_insn): Rename into...
 315         (*cbranch<mode>4_btst_insn): ...this and adjust.
 316         (trap): New define_insn.
 317
 318 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
 319
 320         PR tree-optimization/79389
 321         * ifcvt.c (struct noce_if_info): Add rev_cond field.
 322         (noce_reversed_cond_code): New function.
 323         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
 324         reversed_comparison_code.  Formatting fix.
 325         (noce_try_store_flag): Test rev_cond != NULL in addition to
 326         reversed_comparison_code.
 327         (noce_try_store_flag_constants): Likewise.
 328         (noce_try_store_flag_mask): Likewise.
 329         (noce_try_addcc): Use rev_cond if non-NULL instead of
 330         reversed_comparison_code.
 331         (noce_try_cmove_arith): Likewise.  Formatting fixes.
 332         (noce_try_minmax, noce_try_abs): Clear rev_cond.
 333         (noce_find_if_block): Initialize rev_cond.
 334         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
 335         instead of false as last argument never attempt to reverse it
 336         afterwards.
 337
 338 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
 339
 340         PR tree-optimization/79663
 341         * tree-predcom.c (combine_chains): Process refs in reverse order
 342         only for ZERO length chains, and add explaining comment.
 343
 344 2017-02-23  Jeff Law  <law@redhat.com>
 345
 346         PR tree-optimization/79578
 347         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
 348         in call to operand_equal_p.
 349
 350 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
 351
 352         PR target/71017
 353         * config/i386/cpuid.h: Fix another undefined behavior.
 354
 355 2017-02-23  Richard Biener  <rguenther@suse.de>
 356
 357         PR tree-optimization/79683
 358         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
 359         vector types for data-refs.
 360
 361 2017-02-23  Martin Liska  <mliska@suse.cz>
 362
 363         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
 364
 365 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
 366
 367         PR middle-end/79665
 368         * internal-fn.c (get_range_pos_neg): Moved to ...
 369         * tree.c (get_range_pos_neg): ... here.  No longer static.
 370         * tree.h (get_range_pos_neg): New prototype.
 371         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
 372         are known to be in between 0 and signed maximum inclusive, try to
 373         expand both unsigned and signed divmod and use the cheaper one from
 374         those.
 375
 376 2017-02-22  Jeff Law  <law@redhat.com>
 377
 378         PR tree-optimization/79578
 379         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
 380         to compare base operands.
 381
 382 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
 383
 384         PR target/79211
 385         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
 386         gpc_reg_operand instead of fpr_reg_operand.
 387
 388 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
 389
 390         * config/mips/mips.c (mips_return_in_memory): Force FP
 391         vector types to be returned in memory for o32 ABI.
 392
 393 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
 394
 395         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
 396         instead of DW_TAG_member for static data member declarations and don't
 397         set no_linkage_name for static inline data members.
 398         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
 399         to DW_TAG_member.
 400
 401 2017-02-22  Martin Liska  <mliska@suse.cz>
 402
 403         * doc/invoke.texi: Replace inequality signs with square brackets
 404         for -Wnormalized.
 405
 406 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 407
 408         PR tree-optimization/68644
 409         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
 410
 411 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
 412
 413         PR target/78660
 414         * lra-constraints.c (simplify_operand_subreg): Handle
 415         WORD_REGISTER_OPERATIONS targets.
 416
 417 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
 418
 419         PR target/70465
 420         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
 421         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
 422         elimination by swapping fld*.
 423
 424 2017-02-22  Richard Biener  <rguenther@suse.de>
 425
 426         PR tree-optimization/79673
 427         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
 428         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
 429         irrelevant address-space qualifiers and avoiding a
 430         ADDR_SPACE_CONVERT_EXPR from fold_convert.
 431
 432 2017-02-22  Richard Biener  <rguenther@suse.de>
 433
 434         PR tree-optimization/79666
 435         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
 436         to not symbolically negate if that may introduce undefined
 437         overflow.
 438
 439 2017-02-22  Martin Liska  <mliska@suse.cz>
 440
 441         PR lto/79587
 442         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
 443         * data-streamer-out.c (streamer_write_gcov_count_stream):
 444         Likewise.
 445         * value-prof.c (stream_out_histogram_value): Make assert more
 446         precise based on type of counter.
 447
 448 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
 449
 450         PR target/79593
 451         * config/i386/i386.md (standard_x87sse_constant_load splitter):
 452         Use nonimmediate_operand instead of memory_operand for operand 1.
 453         (float-extend standard_x87sse_constant_load splitter): Ditto.
 454
 455 2017-02-21 Jeff Law  <law@redhat.com>
 456
 457         PR tree-optimization/79621
 458         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
 459         blocks with edges to themselves.
 460
 461 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
 462
 463         PR target/79633
 464         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
 465         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
 466         Use gimple_call_builtin_p.
 467
 468         PR target/79570
 469         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
 470         on temporarily removed DEBUG_INSNs.
 471
 472         PR tree-optimization/79649
 473         * tree-loop-distribution.c (classify_partition): Give up on
 474         non-generic address space loads/stores.
 475
 476 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
 477
 478         * doc/loop.texi (Loop manipulation): Remove nonexistent
 479         tree_ssa_loop_version from the documentation.
 480         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
 481
 482 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
 483
 484         PR target/79494
 485         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
 486         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
 487         * config/rs6000/rs6000.c: Include except.h.
 488         (rs6000_expand_split_stack_prologue): Call
 489         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
 490
 491 2017-02-21  Martin Jambor  <mjambor@suse.cz>
 492
 493         PR lto/79579
 494         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
 495         have been analyzed.
 496
 497 2017-02-21  Martin Jambor  <mjambor@suse.cz>
 498
 499         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
 500         for backward compatibility only.
 501         * doc/invoke.texi (Option Summary): Remove all references to
 502         -fipa-cp-alignment.
 503
 504 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
 505
 506         PR target/78660
 507         Revert:
 508         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
 509
 510         * lra-constraints.c (curr_insn_transform): Handle
 511         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
 512
 513 2017-02-21  Martin Liska  <mliska@suse.cz>
 514
 515         * config/i386/i386.opt: Replace -masm-dialect with -masm.
 516
 517 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
 518
 519         PR translation/79638
 520         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
 521
 522 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
 523
 524         PR ada/67205
 525         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
 526         (arm_function_ok_for_sibcall): Return false for an indirect call by
 527         descriptor if all the argument registers are used.
 528         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
 529         alignment of the function.
 530
 531 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
 532
 533         PR tree-optimization/61441
 534         * simplify-rtx.c (simplify_const_unary_operation): For
 535         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
 536         the sNaN unmodified.
 537
 538 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 539
 540         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
 541         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
 542         instead of SYSTEM_HEADER_DIR.
 543
 544 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
 545             Martin Liška  <mliska@suse.cz>
 546
 547         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
 548         Fix typos and grammar, use active voice, and clarify.
 549
 550 2017-02-20  Marek Polacek  <polacek@redhat.com>
 551
 552         PR middle-end/79537
 553         * gimplify.c (gimplify_expr): Handle unused *&&L;.
 554
 555         PR sanitizer/79558
 556         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
 557
 558 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
 559
 560         PR target/79568
 561         * config/i386/i386.c (ix86_expand_builtin): Handle
 562         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
 563         ix86_builtins_isa[fcode].isa as a requirement of those
 564         flags and any other flag in the bitmask.
 565         (ix86_init_mmx_sse_builtins): Use 0 instead of
 566         ~OPTION_MASK_ISA_64BIT as mask.
 567         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
 568         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
 569         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
 570         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
 571
 572 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
 573
 574         PR target/78012
 575         * lra-constraints.c (split_reg): Check requested split mode
 576         is supported by the register.
 577
 578 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
 579
 580         * lra-constraints.c (simplify_operand_subreg): Remove early
 581         return false.
 582
 583 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
 584
 585         PR target/78660
 586         * lra-constraints.c (curr_insn_transform): Tighten condition
 587         for converting SUBREG reloads from OP_OUT to OP_INOUT.
 588
 589 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
 590
 591         PR target/78660
 592         * lra-constraints.c (curr_insn_transform): Handle
 593         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
 594
 595 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
 596
 597         Revert:
 598         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
 599
 600         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
 601
 602 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
 603
 604         PR c++/69523
 605         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
 606         description.
 607
 608 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 609
 610         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
 611         for FMA_EXPR.
 612
 613 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
 614
 615         * final.c (last_columnnum, override_columnnum): New variables.
 616         (final_start_function): Set last_columnnum, pass it to begin_prologue
 617         hook and pass 0 to dwarf2out_begin_prologue.
 618         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
 619         to source_line debug hook.
 620         (notice_source_line): Compute last_columnnum and for debug_column_info
 621         return true on column changes.
 622         * debug.h (struct gcc_debug_hooks): Add column argument to
 623         source_line and begin_prologue hooks.
 624         (debug_nothing_int_charstar_int_bool): Remove prototype.
 625         (debug_nothing_int_int_charstar,
 626         debug_nothing_int_int_charstar_int_bool): New prototypes.
 627         (dwarf2out_begin_prologue): Add column argument.
 628         * debug.c (do_nothing_debug_hooks): Adjust source_line and
 629         begin_prologue hooks.
 630         (debug_nothing_int_charstar_int_bool): Remove.
 631         (debug_nothing_int_int_charstar,
 632         debug_nothing_int_int_charstar_int_bool): New functions.
 633         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
 634         through to dwarf2out_source_line.
 635         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
 636         (dwarf2out_source_line): Add column argument, emit it if requested.
 637         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
 638         arguments.
 639         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
 640         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
 641         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
 642         through to dwarf2out_begin_prologue.
 643         (vmsdbgout_source_line): Add column argument, pass it through to
 644         dwarf2out_source_line.
 645         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
 646         dbxout_source_line caller.
 647         (dbxout_source_line): Add column argument.
 648
 649         * common.opt (gno-column-info, gcolumn-info): New options.
 650         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
 651         (check_die): Also test for multiple DW_AT_decl_column attributes.
 652         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
 653         DW_AT_decl_column if requested.
 654         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
 655         if requested.
 656         (gen_variable_die): Likewise.
 657         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
 658         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
 659
 660         PR target/79569
 661         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
 662         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
 663         (ix86_handle_option): Handle OPT_m3dnowa.
 664         * doc/invoke.texi (-m3dnowa): Document.
 665         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
 666         -m3dnowa instead of -m3dnow -march=athlon.
 667
 668         PR target/79559
 669         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
 670         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
 671
 672 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 673
 674         PR target/79261
 675         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
 676         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
 677         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
 678         generator for vsx_xxpermdi_<mode>_be.
 679         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
 680         force big-endian semantics.
 681         (vsx_xxpermdi_<mode>_be): New define_expand with same
 682         implementation as previous version of vsx_xxpermdi_<mode>.
 683
 684 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
 685
 686         PR tree-optimization/79327
 687         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
 688         variable, its initialization and use.
 689
 690 2017-02-17  Julia Koval  <julia.koval@intel.com>
 691
 692         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
 693         (OPTION_MASK_ISA_PKU_UNSET): New.
 694         (ix86_handle_option): Handle -mrdpid.
 695         * config/i386/cpuid.h (bit_RDPID): New.
 696         * config/i386/driver-i386.c (host_detect_local_cpu):
 697         Detect RDPID feature.
 698         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
 699         * config/i386/i386-c.c (ix86_target_macros_internal):
 700         Handle RDPID flag.
 701         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
 702         (ix86_valid_target_attribute_inner_p): Add "rdpid".
 703         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
 704         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
 705         * config/i386/i386.md (define_insn "rdpid"): New.
 706         * config/i386/i386.opt Add -mrdpid.
 707         * config/i386/immintrin.h (_rdpid_u32): New.
 708
 709 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
 710
 711         PR rtl-optimization/79541
 712         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
 713         instead of transforming it into USE.
 714
 715 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
 716
 717         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
 718         If HONOR_SNANS (SFmode) force the input to a register.
 719         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
 720         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
 721         an frsp or similar insn.
 722
 723 2017-02-17  Martin Liska  <mliska@suse.cz>
 724
 725         PR rtl-optimization/79577
 726         * params.def (selsched-max-sched-times): Increase minimum to 1.
 727
 728 2017-02-17  Martin Liska  <mliska@suse.cz>
 729
 730         PR rtl-optimization/79574
 731         * gcse.c (want_to_gcse_p): Prevent integer overflow.
 732
 733 2017-02-17  Martin Liska  <mliska@suse.cz>
 734
 735         PR tree-optimization/79529
 736         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
 737         ssa_defined_default_def_p to handle cases which are implicitly
 738         defined.
 739         * tree-ssa.c (ssa_defined_default_def_p): New function.
 740         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
 741         which are implicitly defined.
 742         * tree-ssa.h (ssa_defined_default_def_p): Declare.
 743
 744 2017-02-17  Richard Biener  <rguenther@suse.de>
 745
 746         PR middle-end/79576
 747         * params.def (max-ssa-name-query-depth): Limit to 10.
 748
 749 2017-02-17  Richard Biener  <rguenther@suse.de>
 750
 751         PR tree-optimization/79552
 752         * tree-ssa-structalias.c (visit_loadstore): Properly verify
 753         default defs.
 754
 755 2017-02-17  Richard Biener  <rguenther@suse.de>
 756
 757         PR bootstrap/79567
 758         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
 759
 760 2017-02-17  Marek Polacek  <polacek@redhat.com>
 761
 762         PR middle-end/79536
 763         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
 764         (fold_negate_expr): New wrapper.
 765
 766 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
 767
 768         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
 769         Correct terminology and de-emphasize pre-standard behavior.
 770
 771 2017-02-16  Alan Modra  <amodra@gmail.com>
 772
 773         PR rtl-optimization/79286
 774         * ira.c (def_dominates_uses): New function.
 775         (update_equiv_regs): Don't create an equivalence for insns that
 776         may trap where the register def does not dominate the use.
 777
 778 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
 779
 780         PR rtl-optimization/78127
 781         * lra.c (lra): Call lra_eliminate before finish the loop after
 782         lra_constraint.
 783
 784 2017-02-16  Richard Biener  <rguenther@suse.de>
 785
 786         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
 787         isl/isl_val.h.
 788         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
 789         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
 790         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
 791         (isl_val_int_from_wi): New function.
 792         (extract_affine_gmp): Rename to ...
 793         (extract_affine_wi): ... this, take a widest_int.
 794         (extract_affine_int): Just wrap extract_affine_wi.
 795         (add_param_constraints): Use isl_val_int_from_wi.
 796         (add_loop_constraints): Likewise, and extract_affine_wi.
 797
 798 2017-02-15 Jeff Law  <law@redhat.com>
 799
 800         PR middle-end/79521
 801         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
 802         ira_init_register_move_cost_if_necessary.
 803
 804 2017-02-15  Martin Sebor  <msebor@redhat.com>
 805
 806         PR middle-end/32003
 807         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
 808         removed in a prior commit.
 809
 810 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
 811
 812         PR tree-optimization/79347
 813         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
 814         counters during peeling.
 815
 816 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
 817
 818         * Makefile.in (site.exp): Remove "set ISLVER".
 819
 820 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
 821
 822         PR target/79487
 823         * real.c (real_from_integer): Call real_convert even for decimal.
 824
 825 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 826
 827         PR target/79421
 828         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
 829
 830 2017-02-14  Andrew Pinski  <apinski@cavium.com>
 831
 832         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
 833         cores and change the partno/implementer to be correct.
 834         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
 835         the 'B" as the implementer.
 836         * config/aarch64/aarch64-tune.md: Regenerate.
 837
 838 2017-02-14  Carl Love  <cel@us.ibm.com>
 839
 840         * config/rs6000/rs6000.c: Add case statement entry to make the
 841         xvcvuxdsp built-in argument unsigned.
 842         * config/rs6000/vsx.md: Fix the source and return operand types so they
 843         match the instruction definitions from the ISA document.  Fix typo
 844         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
 845         statement.
 846
 847 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
 848
 849         PR target/79282
 850         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
 851         member early_clobber_alts.
 852         * lra-lives.c (reg_early_clobber_p): New.
 853         (process_bb_lives): Use it.
 854         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
 855         (debug_operand_data): Initialize early_clobber_alts.
 856         (setup_operand_alternative): Set up early_clobber_alts.
 857         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
 858         alternatives to new_insn_reg.
 859         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
 860         it.
 861         (lra_update_insn_regno_info): Pass the new arg.
 862
 863 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
 864
 865         PR middle-end/79505
 866         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
 867         (new_oacc_loop_raw): Don't clear already cleared fields.
 868
 869         PR target/79481
 870         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
 871         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
 872         _mm512_prefetch_i64gather_ps): New inline functions and macros.
 873
 874 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
 875
 876         PR target/79495
 877         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
 878
 879 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
 880
 881         PR target/79498
 882         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
 883         the extra instruction to the right place to store 128-bit constant
 884         when needed.
 885
 886 2017-02-14  Martin Sebor  <msebor@redhat.com>
 887
 888         PR middle-end/79448
 889         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
 890           warning for strings of unknown length.
 891
 892 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
 893
 894         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
 895
 896 2017-02-14 Jeff Law  <law@redhat.com>
 897
 898         PR target/79404
 899         * ira-costs.c (scan_one_insn): Initialize register move costs
 900         for pseudos seen in USE/CLOBBER insns.
 901
 902         PR tree-optimization/79095
 903         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
 904         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
 905         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
 906         if the operands are known to be not equal, then the resulting range
 907         is ~[0,0].
 908         (intersect_ranges): If the new range is ~[0,0] and the old range is
 909         wide, then prefer ~[0,0].
 910         * tree-vrp.c (overflow_comparison_p_1): New function.
 911         (overflow_comparison_p): New function.
 912         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
 913         if NAME is used in an overflow test.
 914         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
 915         overflow check that can be expressed as an equality test, then adjust
 916         ops to be that equality test.
 917
 918 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 919
 920         * config/s390/s390-builtin-types.def: Remove flags argument.
 921         * config/s390/s390.c (s390_init_builtins): Likewise.
 922
 923 2017-02-14  Martin Liska  <mliska@suse.cz>
 924
 925         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
 926         vector.  Fix trailing white spaces.
 927
 928 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
 929
 930         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
 931         HFmode.
 932
 933 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 934
 935         PR rtl-optimization/68664
 936         * config/arm/arm.c (arm_sched_can_speculate_insn):
 937         New function.  Declare prototype.
 938         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
 939
 940 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 941
 942         PR rtl-optimization/68664
 943         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
 944         New function.
 945         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
 946
 947 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
 948
 949         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
 950         max skip bytes for function, loop and jump.
 951
 952 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 953
 954         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
 955         ABS_EXPR for gimple dump.
 956
 957 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
 958
 959         PR target/79462
 960         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
 961
 962         PR tree-optimization/79408
 963         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
 964         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
 965         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
 966         also if rhs1 is INTEGER_CST.
 967
 968 2017-02-14  Richard Biener  <rguenther@suse.de>
 969
 970         PR middle-end/79432
 971         * tree-into-ssa.c (insert_phi_nodes): When the function can
 972         have abnormal edges rewrite SSA names with broken use-def
 973         dominance out of SSA and register them for PHI insertion.
 974
 975 2017-02-13  Martin Sebor  <msebor@redhat.com>
 976
 977         PR middle-end/79496
 978         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
 979         clearing info.nowrite flag when snprintf size argument is a range.
 980
 981 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
 982
 983         * cprop.c (cprop_jump): Add missing space in string literal.
 984         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
 985         (get_constraint_for_component_ref): Likewise.
 986         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
 987         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
 988         * lra-constraints.c (process_alt_operands): Likewise.
 989         * ipa-inline.c (inline_small_functions): Likewise.
 990         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
 991         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
 992         * trans-mem.c (diagnose_tm_1_op): Likewise.
 993         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
 994         (grid_parallel_clauses_gridifiable): Likewise.
 995
 996         * config/nvptx/mkoffload.c (process): Add space in between
 997         , and %d.
 998
 999         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
1000         "MOD4_SSE_REGS" and "ALL_REGS".
1001
1002         * spellcheck.c (test_data): Add , in between "foo" and "food".
1003
1004 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1005
1006         PR target/79449
1007         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
1008         boundary crossing check and subsequent code generation agree.
1009
1010 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1011
1012         * config/aarch64/aarch64.c (has_memory_op): Delete.
1013         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
1014         has_memory_op.
1015
1016 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
1017
1018         PR rtl-optimization/79388
1019         PR rtl-optimization/79450
1020         * combine.c (distribute_notes): When removing TEM_INSN for which
1021         corresponding dest has last value recorded, invalidate that last
1022         value.
1023
1024 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1025
1026         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
1027         of explicit '@'.  Add missing assembly comment marker on branch costs
1028         printout.
1029
1030 2017-02-13  Nathan Sidwell  <nathan@acm.org>
1031
1032         * gengtype-lex.l (<in_struct>): Add '/'.
1033
1034 2017-02-13  Martin Liska  <mliska@suse.cz>
1035
1036         PR c/79471
1037         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
1038
1039 2017-02-13  Richard Biener  <rguenther@suse.de>
1040
1041         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
1042         Remove.
1043         * configure: Re-generate.
1044         * config.in: Likewise.
1045         * graphite-dependences.c: Simplify as if
1046         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
1047         * graphite-isl-ast-to-gimple.c: Likewise.
1048         * graphite-optimize-isl.c: Likewise.
1049         * graphite-poly.c: Likewise.
1050         * graphite-sese-to-poly.c: Likewise.
1051         * graphite.h: Likewise.
1052         * toplev.c: Include isl/version.h and use isl_version () for
1053         printing the ISL version.
1054         * doc/install.texi: Update ISL requirement.
1055
1056 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
1057
1058         * doc/standards.texi (Standards): Update reference to
1059         Objective-C 2.0.
1060
1061 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
1062
1063         * doc/extend.texi (Named Address Spaces): sourceware.org now
1064         defaults to https.
1065         * doc/install.texi (Binaries): Ditto.
1066         (Specific): Ditto.
1067
1068 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
1069
1070         * doc/cpp.texi: Replace "stringify"/"stringification" with C
1071         standard terminology "stringize"/"stringizing" throughout.
1072         * doc/cppinternals.texi: Likewise.
1073
1074 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
1075
1076         * doc/extend.texi: Fix some spelling mistakes and typos.
1077         * doc/invoke.texi: Likewise.
1078
1079 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
1080
1081         PR ipa/79224
1082         * params.def (inline-min-speedup) Change from 10 to 8.
1083
1084 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
1085
1086         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
1087         4.5.
1088
1089 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
1090
1091         PR ipa/79224
1092         * ipa-inline-analysis.c (get_minimal_bb): New function.
1093         (record_modified): Use it.
1094         (remap_edge_change_prob): Handle also ancestor functions.
1095
1096 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
1097
1098         * doc/contrib.texi (Contributors): Remove broken link into
1099         the Mauve CVS repository.
1100
1101 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
1102
1103         PR middle-end/79454
1104         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
1105         result computation whenever lhs doesn't have vector mode, not
1106         just when it has BLKmode.
1107
1108 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
1109
1110         * doc/makefile.texi (profiledbootstrap): Refer to the
1111         installation instructions only in textual form.
1112
1113 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1114
1115         PR target/79295
1116         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
1117
1118 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
1119
1120         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
1121         (Specific): Update mingw-w64 reference.
1122         (Binaries): Ditto.
1123         (Specific): Remove broken link to Renesas RX processor.
1124
1125 2017-02-10  Richard Biener  <rguenther@suse.de>
1126
1127         * toplev.c (process_options): Do not mention obsolete graphite
1128         options when printing sorry message about missing graphite support.
1129         Mention -floop-nest-optimize.
1130
1131 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
1132
1133         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
1134         (vtst_p16): Likewise.
1135         (vtstq_p8): Likewise.
1136         (vtstq_p16): Likewise.
1137         (vtst_p64): New.
1138         (vtstq_p64): Likewise.
1139         * config/arm/arm_neon.h (vgetq_lane_p64): New.
1140         (vset_lane_p64): New.
1141         (vsetq_lane_p64): New.
1142
1143 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
1144
1145         PR tree-optimization/79411
1146         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
1147         stmt operands are SSA_NAMEs used in abnormal phis.
1148         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
1149         phis.
1150
1151 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
1152
1153         PR ipa/70795
1154         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
1155         flag if needed.
1156
1157 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
1158
1159         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
1160
1161 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
1162
1163         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
1164         to avoid warning.
1165
1166         PR c/79413
1167         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
1168         not arbitrary TREE_CONSTANT.
1169
1170         PR c/79431
1171         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
1172         "omp declare target link" attribute unless is_global_var.
1173         * omp-offload.c (find_link_var_op): Likewise.
1174
1175 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1176             Chung-Lin Tang  <cltang@codesourcery.com>
1177
1178         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
1179         OMP_CLAUSE_TILE.
1180         (gimplify_adjust_omp_clauses): Don't delete TILE.
1181         (gimplify_omp_for): Deal with TILE.
1182         * internal-fn.c (expand_GOACC_TILE): New function.
1183         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
1184         (GOACC_TILE): New.
1185         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
1186         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
1187         element fields.
1188         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
1189         avoid DIV for outermost collapse var.
1190         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
1191         Remove out of date comments, fix whitespace.
1192         * omp-general.c (omp_extract_for_data): Deal with tiling.
1193         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
1194         adjust OLF_DIM_BASE value.
1195         (struct omp_for_data): Add tiling field.
1196         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
1197         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
1198         for auto loops.  Remove default auto determining, moved to
1199         oacc_loop_fixed_partitions.
1200         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
1201         stmts, add e_mask field.
1202         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
1203         (oacc_thread_numbers): Use oacc_dim_call.
1204         (oacc_xform_tile): New.
1205         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
1206         (finish_oacc_loop): Adjust for ifns vector.
1207         (oacc_loop_discover_walk): Append loop abstraction sites to list,
1208         add case for GOACC_TILE fns.
1209         (oacc_loop_xform_loop): Delete.
1210         (oacc_loop_process): Iterate over call list directly, and add
1211         handling for GOACC_TILE fns.
1212         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
1213         dump partitioning.
1214         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
1215         vector partitioning to outer loops.  Assign 2 partitions to loops
1216         when available. Add TILE handling.
1217         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
1218         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
1219         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
1220         * tree.c (omp_clause_num_ops): Adjust TILE ops.
1221         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
1222
1223 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
1224
1225         * configure.ac (ACX_BUGURL): Update.
1226         * configure: Regenerate.
1227
1228 2017-02-09  Richard Biener  <rguenther@suse.de>
1229
1230         PR tree-optimization/69823
1231         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
1232         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
1233
1234 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
1235
1236         * config/arc/arc-c.def: Add __NPS400__ definition.
1237         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
1238         (TARGET_NPS400): Define.
1239
1240 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
1241
1242         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
1243         file.
1244         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
1245         pointer, arch_info.
1246         (arc_cpu_types): Fill the arch_info field with a pointer into the
1247         arc_arch_types table.
1248         (arc_selected_cpu): Declare.
1249         * config/arc/arc.c (arc_selected_cpu): Make global.
1250         (arc_selected_arch): Delete.
1251         (arc_base_cpu): Delete.
1252         (arc_override_options): Remove references to deleted variables,
1253         update access to arch information.
1254         (ARC_OPT): Update access to arch information.
1255         (ARC_OPTX): Likewise.
1256         * config/arc/arc.h (arc_base_cpu): Remove declaration.
1257         (TARGET_ARC600): Update access to arch information.
1258         (TARGET_ARC601): Likewise.
1259         (TARGET_ARC700): Likewise.
1260         (TARGET_EM): Likewise.
1261         (TARGET_HS): Likewise.
1262         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
1263         information.
1264
1265 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
1266
1267         PR target/78604
1268         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
1269         condition/operands for integer GE/LE/GEU/LEU operations.
1270
1271 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
1272
1273         PR translation/79397
1274         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
1275         of AltiVec.
1276
1277 2017-02-08  Martin Jambor  <mjambor@suse.cz>
1278
1279         PR ipa/79375
1280         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
1281         whether allocation happened.
1282         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
1283         nothing was allocated.
1284
1285 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
1286
1287         PR tree-optimization/79408
1288         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
1289         constant, but SSA_NAME with a known integer range, use the minimum
1290         of that range instead of op1 to determine if modulo can be replaced
1291         with its first operand.
1292
1293 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1294
1295         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
1296
1297 2017-02-08  Richard Biener  <rguenther@suse.de>
1298
1299         PR tree-optimization/71824
1300         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
1301         Check all loops contained in the merged region.
1302
1303 2017-02-07  Andrew Pinski  <apinski@cavium.com>
1304
1305         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
1306
1307 2017-02-07  Andrew Pinski  <apinski@cavium.com>
1308
1309         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
1310         (thunderxt88): Likewise.
1311         (thunderxt81): Disable LSE and change v8.1 to v8.
1312         (thunderxt83): Likewise.
1313
1314 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
1315             Richard Biener  <rguenther@suse.de>
1316
1317         PR middle-end/79399
1318         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
1319         type from int to size_t.
1320         * ira-costs.c (struct_costs_size): Change type from int to size_t.
1321
1322 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
1323
1324         PR rtl-optimization/79386
1325         * cprop.c (bypass_conditional_jumps): Initialize
1326         bypass_last_basic_block already before splitting bbs after
1327         unconditional traps...
1328         (bypass_conditional_jumps): ... rather than here.
1329
1330         PR target/79299
1331         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
1332         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
1333         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
1334         fix -masm=intel patterns.
1335
1336 2017-02-07  Richard Biener  <rguenther@suse.de>
1337
1338         PR tree-optimization/79256
1339         PR middle-end/79278
1340         * builtins.c (get_object_alignment_2): Use min_align_of_type
1341         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
1342         and ADJUST_FIELD_ALIGN.
1343
1344         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
1345         type parameter.
1346         * doc/tm.texi: Regenerate.
1347         * stor-layout.c (layout_decl): Adjust.
1348         (update_alignment_for_field): Likewise.
1349         (place_field): Likewise.
1350         (min_align_of_type): Likewise.
1351         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
1352         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
1353         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
1354         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
1355         * config/frv/frv.c (frv_adjust_field_align): Likewise.
1356         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
1357         * config/i386/i386.c (x86_field_alignment): Likewise.
1358         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
1359         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
1360         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
1361         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
1362         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
1363         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
1364          Likewise.
1365
1366         Revert
1367         2017-01-30  Richard Biener  <rguenther@suse.de>
1368
1369         PR tree-optimization/79256
1370         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
1371         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
1372         alignment on TYPE.
1373
1374 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
1375
1376         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
1377         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
1378         builtins to SImode and emit a zero-extend, if necessary.
1379
1380 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
1381
1382         * docs/invoke.texi (RISC-V Options): Alphabetize.
1383
1384 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
1385
1386         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
1387         options.
1388
1389 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
1390
1391         * config/riscv/riscv.c: New file.
1392         * gcc/common/config/riscv/riscv-common.c: Likewise.
1393         * config.gcc: Likewise.
1394         * config/riscv/constraints.md: Likewise.
1395         * config/riscv/elf.h: Likewise.
1396         * config/riscv/generic.md: Likewise.
1397         * config/riscv/linux.h: Likewise.
1398         * config/riscv/multilib-generator: Likewise.
1399         * config/riscv/peephole.md: Likewise.
1400         * config/riscv/pic.md: Likewise.
1401         * config/riscv/predicates.md: Likewise.
1402         * config/riscv/riscv-builtins.c: Likewise.
1403         * config/riscv/riscv-c.c: Likewise.
1404         * config/riscv/riscv-ftypes.def: Likewise.
1405         * config/riscv/riscv-modes.def: Likewise.
1406         * config/riscv/riscv-opts.h: Likewise.
1407         * config/riscv/riscv-protos.h: Likewise.
1408         * config/riscv/riscv.h: Likewise.
1409         * config/riscv/riscv.md: Likewise.
1410         * config/riscv/riscv.opt: Likewise.
1411         * config/riscv/sync.md: Likewise.
1412         * config/riscv/t-elf-multilib: Likewise.
1413         * config/riscv/t-linux: Likewise.
1414         * config/riscv/t-linux-multilib: Likewise.
1415         * config/riscv/t-riscv: Likewise.
1416         * configure.ac: Likewise.
1417         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
1418         Waterman as RISC-V maintainers.
1419         * doc/install.texi: Add RISC-V entries.
1420         * doc/invoke.texi: Add RISC-V options section.
1421         * doc/md.texi: Add RISC-V constraints section.
1422         * configure: Regenerated.
1423
1424 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1425
1426         PR target/66144
1427         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
1428         false values to be constant vectors with all 0 or all 1 bits set.
1429         (vcondu<mode><mode>): Likewise.
1430         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
1431         predicate.
1432         (fpmask_comparison_operator): Update comment.
1433         (vecint_comparison_operator): New predicate.
1434         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
1435         vector conditionals when the true and false values are constant
1436         vectors with all 0 bits or all 1 bits set.
1437
1438 2017-02-06  Martin Sebor  <msebor@redhat.com>
1439
1440         PR  tree-optimization/79376
1441         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
1442
1443 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
1444
1445         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
1446         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
1447         to simplify split condition.
1448
1449 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
1450
1451         * omp-expand.c (oxpand_omp_atomic_fetch_op,
1452         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
1453         false.
1454
1455 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
1456
1457         PR rtl-optimization/68664
1458         * target.def (can_speculate_insn): New hook.
1459         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
1460         * doc/tm.texi: Regenerate.
1461         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
1462         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
1463         (rs6000_sched_can_speculate_insn): New function.
1464
1465 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
1466
1467         PR tree-optimization/79284
1468         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
1469         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
1470         vectorizable_mask_load_store, vectorizable_operation,
1471         vect_is_simple_cond, get_same_sized_vectype): Use it instead
1472         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
1473         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
1474         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
1475         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
1476         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
1477         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
1478         is_gimple_assign (stmt).  Replace another such test with
1479         is_gimple_assign (stmt).
1480
1481 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
1482
1483         PR target/78883
1484         * config/avr/avr.c (rtl-iter.h): Include it.
1485         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
1486         (avr_legitimate_combined_insn): ...and implementation.
1487
1488 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1489
1490         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
1491         * config/s390/s390.c (s390_const_operand_ok)
1492         (s390_canonicalize_comparison, s390_extract_part)
1493         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
1494         (s390_contiguous_bitmask_p, s390_rtx_costs)
1495         (legitimize_pic_address): Likewise.
1496         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
1497         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
1498         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
1499         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
1500         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
1501
1502 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
1503
1504         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
1505         REGNO($0) == REGNO($1).
1506
1507 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1508
1509         * config/s390/linux.h(SIZE_TYPE): Add comment.
1510
1511 2017-02-06  Julian Brown  <julian@codesourcery.com>
1512             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1513             Virendra Pathak  <virendra.pathak@broadcom.com>
1514
1515         * config/aarch64/aarch64-cores.def: Change the scheduler
1516         to Thunderx2t99.
1517         * config/aarch64/aarch64.md: Include thunderx2t99.md.
1518         * config/aarch64/thunderx2t99.md: New file.
1519
1520 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
1521
1522         * doc/standards.texi (Go Language): Update link to language
1523         standard.
1524
1525 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
1526
1527         * tree-eh.c (lower_resx): Sanitize profile.
1528         (cleanup_empty_eh_move_lp): Likewise.
1529
1530 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
1531
1532         PR tree-ssa/79347
1533         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
1534         ELSE_PROB.
1535         * cfgloopmanip.h (loop_version): Update prototype.
1536         * modulo-sched.c (sms_schedule): Update call of loop_version.
1537         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
1538         * tree-parloops.c (gen_parallel_loop): Likewise.
1539         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
1540         * tree-ssa-loop-split.c (split_loop): Likewise.
1541         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
1542         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
1543
1544 2017-02-05  Martin Liska  <mliska@suse.cz>
1545
1546         PR bootstrap/78985
1547         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
1548         variable to NULL.
1549         (print_operand_address): Initialize a struct to zero.
1550
1551 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
1552
1553         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
1554         garbage collector only in textual form.
1555
1556 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
1557
1558         * doc/extend.texi (x86 specific memory model extensions for
1559         transactional memory): Simplify a phrase.
1560
1561 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
1562
1563         PR target/79353
1564         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
1565         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
1566         (atomic_storedi_1): Likewise.
1567
1568 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
1569
1570         PR tree-optimization/79338
1571         * tree-parloops.c (gather_scalar_reductions): Don't call
1572         vect_analyze_loop_form for loop->inner before destroying loop's
1573         loop_vinfo.
1574
1575 2017-02-03  Martin Sebor  <msebor@redhat.com>
1576
1577         PR tree-optimization/79327
1578         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
1579         when precision has resulted in leading zeros.
1580         (format_integer): Adjust the likely counter to assume an unknown
1581         argument that may be zero is non-zero.
1582
1583 2017-02-03  Jason Merrill  <jason@redhat.com>
1584
1585         PR c++/78689
1586         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
1587         avoid copying non-taken branch.
1588
1589 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR tree-optimization/79340
1592         * tree-vect-loop.c (vectorizable_reduction): Release
1593         vec_defs elements after safe_splicing them into other vectors.
1594         Formatting fixes.
1595
1596         PR tree-optimization/79327
1597         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
1598         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
1599         dirtype.
1600         (format_integer): Use wide_int_to_tree instead of build_int_cst
1601         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
1602         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
1603         of shortest and longest sequence.
1604
1605 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
1606
1607         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
1608         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
1609
1610 2017-02-03  Walter Lee  <walt@tilera.com>
1611
1612         PR target/78862
1613         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
1614         after initial stackframe link reg save.
1615         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
1616
1617 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
1618
1619         PR target/79354
1620         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
1621         wu for stxssp alternative.
1622
1623 2017-02-03  Martin Sebor  <msebor@redhat.com>
1624
1625         PR tree-optimization/79352
1626         * gimple-fold.c (get_range_strlen): Add argument.
1627         (get_range_strlen): Change return type to bool.
1628         (get_maxval_strlen): Pass in a dummy argument.
1629         * gimple-fold.h (get_range_strlen): Change return type to bool.
1630         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
1631         * tree.h (array_at_struct_end_p): Add argument.
1632         * tree.c (array_at_struct_end_p): Handle it.
1633
1634 2017-02-03  Martin Liska  <mliska@suse.cz>
1635
1636         PR lto/66295
1637         * multiple_target.c (create_dispatcher_calls): Redirect edge
1638         from a caller of a dispatcher.
1639         (expand_target_clones): Make the clones local.
1640         (ipa_target_clone): Do both target clones and resolvers.
1641         (ipa_dispatcher_calls): Remove the pass.
1642         (pass_dispatcher_calls::gate): Likewise.
1643         (make_pass_dispatcher_calls): Likewise.
1644         * passes.def (pass_target_clone): Put as very first IPA early
1645         pass.
1646
1647 2017-02-03  Martin Liska  <mliska@suse.cz>
1648
1649         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
1650         in case of a function with ifunc attribute.
1651
1652 2017-02-03  Martin Liska  <mliska@suse.cz>
1653
1654         * cgraph.c (cgraph_node::dump): Dump function version info.
1655         * symtab.c (symtab_node::dump_base): Add missing new line.
1656
1657 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
1658
1659         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
1660         (ifcombine_ifandif): Use it.
1661
1662 2017-02-03  Martin Liska  <mliska@suse.cz>
1663
1664         * doc/invoke.texi: Document default value for
1665         use-after-scope-direct-emission-threshold.
1666
1667 2017-02-03  Martin Liska  <mliska@suse.cz>
1668
1669         PR tree-optimization/79339
1670         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
1671         (format_floating): Likewise.
1672
1673 2017-02-03  Martin Liska  <mliska@suse.cz>
1674
1675         PR ipa/79337
1676         * ipa-prop.c (ipa_node_params_t::insert): Remove current
1677         implementation.
1678         (ipa_node_params_t::remove): Likewise.
1679         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
1680         initialization from removed ipa_node_params_t::insert.
1681         (ipa_node_params::~ipa_node_params): Move from removed
1682         ipa_node_params_t::release.
1683         * symbol-summary.h (symbol_summary::m_released): New member.
1684         Do not release a summary twice.  Do not allow to call finalizer
1685         for types of a summary that live in GGC memory.
1686
1687 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
1688
1689         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
1690         cmp_branch fusion.
1691
1692 2017-02-02  Martin Sebor  <msebor@redhat.com>
1693
1694         PR middle-end/79275
1695         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
1696         (format_string): Tighten up the range of output for non-constant
1697         strings and correct the expected range for wide non-constant strings.
1698
1699 2017-02-02  Martin Sebor  <msebor@redhat.com>
1700
1701         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
1702
1703         PR middle-end/32003
1704         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
1705         index.
1706         (-fdump-tree-@var): Add to index and document how to come up
1707         with pass-specific option and dump file names.
1708         (-fdump-passes): Clarify where to look for output.
1709
1710 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
1711
1712         PR middle-end/77445
1713         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
1714         statistics of the analyzed path; allow threading for speed when
1715         any of BBs along the path are optimized for speed.
1716
1717 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
1718
1719         PR middle-end/78468
1720         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
1721         settings of the virtual registers.
1722
1723         Revert again
1724         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1725
1726         * explow.c (get_dynamic_stack_size): Take known alignment of stack
1727         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
1728         needed.
1729
1730 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1731
1732         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
1733         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
1734
1735 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1736
1737         * config/s390/s390.md: Add missing comments with the expanded
1738         mnemonics.
1739         * config/s390/vector.md: Likewise.
1740         * config/s390/vx-builtins.md: Likewise.
1741
1742 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR target/79197
1745         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
1746         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
1747         conditions on a single line.
1748
1749 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1750
1751         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
1752         __S390_VX__ to __VX__.
1753
1754 2017-02-01  Andrew Pinski  <apinski@cavium.com>
1755
1756         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
1757         stmt_info to record_stmt_cost.
1758         (vect_get_known_peeling_cost): Pass stmt_info if known to
1759         record_stmt_cost.
1760         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
1761         cpu_vector_cost field into
1762         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
1763         field into vec_int_stmt_cost and vec_fp_stmt_cost.
1764         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
1765         splitting of scalar_stmt_cost and vec_stmt_cost.
1766         (thunderx_vector_cost): Likewise.
1767         (cortexa57_vector_cost): LIkewise.
1768         (exynosm1_vector_cost): Likewise.
1769         (xgene1_vector_cost): Likewise.
1770         (thunderx2t99_vector_cost): Improve after the splitting of the two
1771         fields.
1772         (aarch64_builtin_vectorization_cost): Update for the splitting of
1773         scalar_stmt_cost and vec_stmt_cost.
1774
1775 2017-02-01  Torvald Riegel  <triegel@redhat.com>
1776             Richard Henderson  <rth@redhat.com>
1777
1778         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
1779         conditional on existance of a fast atomic load.
1780         * optabs-query.c (can_atomic_load_p): New function.
1781         * optabs-query.h (can_atomic_load_p): Declare it.
1782         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
1783         no fast atomic load is available for the particular size of access.
1784         (expand_atomic_compare_and_swap): Likewise.
1785         (expand_atomic_load): Likewise.
1786         (expand_atomic_store): Likewise.
1787         (expand_atomic_fetch_op): Likewise.
1788         * testsuite/lib/target-supports.exp
1789         (check_effective_target_sync_int_128): Remove x86 because it provides
1790         no fast atomic load.
1791         (check_effective_target_sync_int_128_runtime): Likewise.
1792
1793 2017-02-01  Richard Biener  <rguenther@suse.de>
1794
1795         * graphite.c: Include tree-vectorizer.h for find_loop_location.
1796         (graphite_transform_loops): Provide opt-info for optimized nests.
1797         * tree-parloop.c (parallelize_loops): Provide opt-info for
1798         parallelized loops.
1799
1800 2017-02-01  Richard Biener  <rguenther@suse.de>
1801
1802         PR middle-end/79315
1803         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
1804         was not set before.
1805
1806 2017-02-01  Richard Biener  <rguenther@suse.de>
1807
1808         PR tree-optimization/71824
1809         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
1810         Verify the loops are valid in the merged SESE region.
1811         (scop_detection::can_represent_loop_1): Check analyzing the
1812         evolution of the number of iterations in the region succeeds.
1813
1814 2017-01-31  Ian Lance Taylor  <iant@golang.org>
1815
1816         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
1817         REG_ARGS_SIZE note to 32-bit push insns and call insn.
1818
1819 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
1820
1821         PR preprocessor/79210
1822         * input.c (get_substring_ranges_for_loc): Replace line_width
1823         assertion with error-handling.
1824
1825 2017-01-31  Richard Biener  <rguenther@suse.de>
1826
1827         PR tree-optimization/77318
1828         * graphite-sese-to-poly.c (extract_affine): Fix assert.
1829         (create_pw_aff_from_tree): Take loop parameter.
1830         (add_condition_to_pbb): Pass loop of the condition to
1831         create_pw_aff_from_tree.
1832
1833 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
1834
1835         * config/s390/s390.c (s390_asan_shadow_offset): New function.
1836         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
1837
1838 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
1839
1840         PR target/78597
1841         PR target/79038
1842         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
1843         no longer used.
1844         (convert_int_to_float128): Likewise.
1845         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
1846         (convert_int_to_float128): Likewise.
1847         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
1848         (UNSPEC_IEEE128_CONVERT): Likewise.
1849         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
1850         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
1851         Use local variables for IBM extended format.
1852         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
1853         (fix_trunc<mode>si2_fprs): Likewise.
1854         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
1855         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
1856         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
1857         to know that we can now have integers of all sizes in vector
1858         registers.
1859         (fix<uns>_<mode>di2_hw): Likewise.
1860         (float<uns>_<mode>si2_hw): Likewise.
1861         (fix_<mode>si2_hw): Likewise.
1862         (fixuns_<mode>si2_hw): Likewise.
1863         (float<uns>_<mode>di2_hw): Likewise.
1864         (float_<mode>di2_hw): Likewise.
1865         (float_<mode>si2_hw): Likewise.
1866         (floatuns_<mode>di2_hw): Likewise.
1867         (floatuns_<mode>si2_hw): Likewise.
1868         (xscvqp<su>wz_<mode>): Delete, no longer used.
1869         (xscvqp<su>dz_<mode>): Likewise.
1870         (xscv<su>dqp_<mode>): Likewise.
1871         (ieee128_mfvsrd_64bit): Likewise.
1872         (ieee128_mfvsrd_32bit): Likewise.
1873         (ieee128_mfvsrwz): Likewise.
1874         (ieee128_mtvsrw): Likewise.
1875         (ieee128_mtvsrd_64bit): Likewise.
1876         (ieee128_mtvsrd_32bit): Likewise.
1877
1878 2017-01-31  Martin Liska  <mliska@suse.cz>
1879
1880         PR ipa/79285
1881         * ipa-prop.c (ipa_free_all_node_params): Call release method
1882         instead of ~sumbol_summary to not to trigger double times
1883         dtor of hash_map.
1884
1885 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
1886
1887         PR tree-optimization/71691
1888         * bitmap.h (class auto_bitmap): New.
1889         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
1890         is_maybe_undefined instead of ssa_undefined_value_p.
1891
1892 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1893
1894         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
1895         __S390_ARCH_LEVEL__ to __ARCH__.
1896
1897 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR tree-optimization/79267
1900         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
1901         if should_remove_lhs_p is true.
1902
1903 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
1904
1905         PR debug/63238
1906         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
1907         (add_alignment_attribute): New.
1908         (base_type_die): Add alignment attribute.
1909         (subrange_type_die): Likewise.
1910         (modified_type_die): Likewise.
1911         (gen_array_type_die): Likewise.
1912         (gen_descr_array_type_die: Likewise.
1913         (gen_enumeration_type_die): Likewise.
1914         (gen_subprogram_die): Likewise.
1915         (gen_variable_die): Likewise.
1916         (gen_field_die): Likewise.
1917         (gen_ptr_to_mbr_type_die): Likewise.
1918         (gen_struct_or_union_type_die): Likewise.
1919         (gen_subroutine_type_die): Likewise.
1920         (gen_typedef_die): Likewise.
1921         (base_type_cmp): Compare alignment attribute.
1922
1923 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1924
1925         PR target/79170
1926         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
1927         (setb_unsigned) New pattern for setb with CCUNS.
1928         * config/rs6000/rs6000.c (expand_block_compare): Use a different
1929         subfc./subfe sequence to avoid overflow problems.  Generate a
1930         shorter sequence with cmpld/setb for power9.
1931         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
1932         for generating subfc. instruction.
1933         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
1934         now uses this instruction.
1935
1936 2017-01-30  Ian Lance Taylor  <iant@google.com>
1937
1938         PR debug/79289
1939         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
1940         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
1941
1942 2017-01-30  Martin Sebor  <msebor@redhat.com>
1943
1944         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
1945         Move constant to the right of a relational operator.
1946         (get_mpfr_format_length, format_character, format_string): Ditto.
1947         (should_warn_p, maybe_warn): Same.
1948
1949         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
1950
1951 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
1952
1953         PR lto/79061
1954         * asan.c (get_translation_unit_decl): Remove function.
1955         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
1956
1957 2017-01-30  Martin Liska  <mliska@suse.cz>
1958
1959         PR gcov-profile/79259
1960         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
1961         -fprofile-generate.
1962
1963 2017-01-30  Martin Liska  <mliska@suse.cz>
1964
1965         PR bootstrap/78985
1966         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
1967         Initialize variables with NULL value.
1968
1969 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
1970
1971         PR target/79260
1972         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
1973         tm_p_file.
1974         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
1975
1976 2017-01-30  Richard Biener  <rguenther@suse.de>
1977
1978         PR tree-optimization/79276
1979         * tree-vrp.c (process_assert_insertions): Properly adjust common
1980         when removing a duplicate.
1981
1982         * gcc.dg/torture/pr79276.c: New testcase.
1983
1984 2017-01-30  Richard Biener  <rguenther@suse.de>
1985
1986         PR tree-optimization/79256
1987         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
1988         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
1989         alignment on TYPE.
1990         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
1991
1992 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1993
1994         PR target/79240
1995         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
1996         ("*r<noxa>sbg_<mode>_sll_bitmask")
1997         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
1998         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
1999         Use contiguous_bitmask_nowrap_operand.
2000
2001 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2002
2003         PR target/79268
2004         * config/rs6000/altivec.h (vec_xl): Revise #define.
2005         (vec_xst): Likewise.
2006
2007 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
2008
2009         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
2010
2011 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
2012
2013         PR rtl-optimization/79194
2014         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
2015         traps before call to bypass_conditional_jumps.
2016
2017 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
2018
2019         PR tree-optimization/71374
2020         * lra-constraints.c (check_conflict_input_operands): New.
2021         (match_reload): Use it.
2022
2023 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
2024
2025         PR target/79131
2026         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
2027         account to calculate conflict_set.
2028
2029 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
2030
2031         PR rtl-optimization/78559
2032         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
2033         other_insn in combine.
2034
2035 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
2036
2037         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
2038         uint16_type_node for BT_UINT16.
2039
2040 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
2041
2042         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
2043         "RTL Tests" to menu.
2044         (GIMPLE Tests): New node.
2045         (RTL Tests): New node.
2046
2047 2017-01-27  Richard Biener  <rguenther@suse.de>
2048
2049         PR tree-optimization/79245
2050         * tree-loop-distribution.c (distribute_loop): Apply cost
2051         modeling also to detected patterns.
2052
2053 2017-01-27  Richard Biener  <rguenther@suse.de>
2054
2055         PR tree-optimization/71433
2056         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
2057         (compare_assert_loc): New function.
2058         (process_assert_insertions): Sort and optimize assert locations
2059         to remove duplicates and push down identical assertions on
2060         edges to their destination block.
2061
2062 2017-01-27  Richard Biener  <rguenther@suse.de>
2063
2064         PR tree-optimization/79244
2065         * tree-vrp.c (remove_range_assertions): Forcefully propagate
2066         out SSA names even if abnormal.
2067
2068 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
2069
2070         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
2071         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
2072         instead of MPFR_RNDN.
2073
2074 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
2075
2076         PR target/79239
2077         * arm.c (arm_option_override): Don't call build_target_option_node
2078         until after doing all option overrides.
2079         (arm_valid_target_attribute_tree): Likewise.
2080
2081 2017-01-27  Martin Liska  <mliska@suse.cz>
2082
2083         * doc/invoke.texi (-fprofile-arcs): Document profiling support
2084         for {cd}tors and C++ {cd}tors.
2085
2086 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2087
2088         * config/s390/s390.md ("*setmem_long_and")
2089         ("*setmem_long_and_31z"): Use zero_extend instead of and.
2090
2091 2017-01-26  Martin Sebor  <msebor@redhat.com>
2092
2093         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
2094         of precision.
2095
2096 2017-01-26  Martin Sebor  <msebor@redhat.com>
2097
2098         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
2099         HAVE_DFmode before using XFmode or DFmode.
2100         (parse_directive): Avoid using the z length modifier to avoid
2101         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
2102
2103         PR middle-end/78703
2104         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
2105         to accept adjustment as an array.
2106         (get_int_range): New function.
2107         (struct directive): Make width and prec arrays.
2108         (directive::set_width, directive::set_precision): Call get_int_range.
2109         (format_integer, format_floating): Handle width and precision ranges.
2110         (format_string, parse_directive): Same.
2111
2112 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR debug/79129
2115         * dwarf2out.c (generate_skeleton_bottom_up): For children with
2116         comdat_type_p set, just clone them, but keep the children in the
2117         original DIE.
2118
2119         PR debug/78835
2120         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
2121         which have direct callers with -fvar-tracking-assignments enabled
2122         in the current TU.
2123         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
2124         inside of type units.
2125
2126 2017-01-26  Martin Sebor  <msebor@redhat.com>
2127
2128         PR middle-end/78703
2129         * gimple-ssa-sprintf.c (struct result_range): Add likely and
2130         unlikely counters.
2131         (struct format_result): Replace number_chars, number_chars_min,
2132         and number_chars_max with a single member of struct result_range.
2133         Remove bounded.
2134         (format_result::operator+=): Adjust.
2135         (struct fmtresult): Remove bounded.  Handle likely and unlikely
2136         counters.
2137         (fmtresult::adjust_for_width_or_precision): New function.
2138         (fmtresult:type_max_digits): New function.
2139         (bytes_remaining): Handle likely and unlikely counters.
2140         (min_bytes_remaining): Remove.
2141         (format_percent): Simplify.
2142         (format_integer, format_floating): Set likely and unlikely counters.
2143         (get_string_length, format_character, format_string): Same.
2144         (format_plain, should_warn_p): New function.
2145         (maybe_warn): Call should_warn_p.  Update diagnostic messages
2146         and handle those for all directives, including plain strings.
2147         (format_directive): Handle likely and unlikely counters.
2148         Remove unnecessary quoting from diagnostics.  Add an informational
2149         note.
2150         (add_bytes): Remove.
2151         (pass_sprintf_length::compute_format_length): Simplify.
2152         (try_substitute_return_value): Handle likely and unlikely counters.
2153
2154 2017-01-26  Carl Love  <cel@us.ibm.com>
2155
2156         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
2157         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
2158
2159 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
2160
2161         PR target/79131
2162         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
2163         endianess for subregs into account.
2164         * lra-constraints.c (lra_constraints): Do risky transformations
2165         always on the first iteration.
2166         * lra-lives.c (check_pseudos_live_through_calls): Add arg
2167         last_call_used_reg_set.
2168         (process_bb_lives): Define and use last_call_used_reg_set.
2169         * lra.c (lra): Always continue after lra_constraints on the first
2170         iteration.
2171
2172 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
2173
2174         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
2175         constant.
2176         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
2177
2178 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2179
2180         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
2181         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
2182         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
2183         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
2184         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
2185         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
2186         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
2187         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
2188         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
2189
2190 2017-01-26  Marek Polacek  <polacek@redhat.com>
2191
2192         PR c/79199
2193         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
2194         for the third operand.
2195
2196 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2197
2198         PR middle-end/79236
2199         * omp-low.c (struct omp_context): Add simt_stmt field.
2200         (scan_omp_for): Return omp_context *.
2201         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
2202         context to the _simt_ SIMD stmt.
2203         (lower_omp_for): For combined SIMD with sibling _simt_
2204         SIMD, make sure to use the same decls in _looptemp_
2205         clauses as in the sibling.
2206
2207 2017-01-26  David Sherwood  <david.sherwood@arm.com>
2208
2209         PR middle-end/79212
2210         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
2211         all contexts.
2212
2213 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2214
2215         PR target/70465
2216         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
2217         emit fld b; fld a; if possible.
2218
2219         * brig-builtins.def: Update copyright years.
2220         * config/arm/arm_acle_builtins.def: Update copyright years.
2221
2222 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
2223
2224         PR target/79179
2225         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
2226         constraint instead of o for the stxsd instruction.
2227
2228 2017-01-25  Carl Love  <cel@us.ibm.com>
2229
2230         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
2231         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
2232
2233 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
2234
2235         * doc/invoke.texi (C++ Dialect Options): Fix typo.
2236
2237 2017-01-25  Richard Biener  <rguenther@suse.de>
2238
2239         PR tree-optimization/69264
2240         * target.def (vector_alignment_reachable): Improve documentation.
2241         * doc/tm.texi: Regenerate.
2242         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
2243         and add a comment.
2244         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
2245         earlier changes with respect to TYPE_USER_ALIGN.
2246         (vector_alignment_reachable_p): Likewise.  Improve dumping.
2247
2248 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2249
2250         PR target/79145
2251         * config/arm/arm.md (xordi3): Force constant operand into a register
2252         for TARGET_IWMMXT.
2253
2254 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2255
2256         * doc/invoke.texi (-fstore-merging): Correct default optimization
2257         levels at which it is enabled.
2258         (-O): Move -fstore-merging from list to...
2259         (-O2): ... Here.
2260
2261 2017-01-25  Richard Biener  <rguenther@suse.de>
2262
2263         PR debug/78363
2264         * omp-expand.c: Include debug.h.
2265         (expand_omp_taskreg): Make sure to generate early debug before
2266         outlining anything from a function.
2267         (expand_omp_target): Likewise.
2268         (grid_expand_target_grid_body): Likewise.
2269
2270 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
2271
2272         PR lto/79061
2273         * asan.c (get_translation_unit_decl): New function.
2274         (asan_add_global): Extract modules file name from globals
2275         TRANSLATION_UNIT_DECL name.
2276
2277 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2278
2279         PR target/77439
2280         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
2281         for long calls with APCS frame and VFP.
2282
2283 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
2284
2285         * cfg.c (original_copy_tables_initialized_p): New function.
2286         * cfg.h (original_copy_tables_initialized_p): New decl.
2287         * cfgrtl.c (relink_block_chain): Guard the call to
2288         free_original_copy_tables with a call to
2289         original_copy_tables_initialized_p.
2290         * cgraph.h (symtab_node::native_rtl_p): New decl.
2291         * cgraphunit.c (symtab_node::native_rtl_p): New function.
2292         (symtab_node::needed_p): Don't assert for early assembly output
2293         for __RTL functions.
2294         (cgraph_node::finalize_function): Set "force_output" for __RTL
2295         functions.
2296         (cgraph_node::analyze): Bail out early for __RTL functions.
2297         (analyze_functions): Update assertion to support __RTL functions.
2298         (cgraph_node::expand): Bail out early for __RTL functions.
2299         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
2300         __RTL functions.
2301         * function.h (struct function): Update comment for field
2302         "pass_startwith".
2303         * gimple-expr.c: Include "tree-pass.h".
2304         (gimple_has_body_p): Return false for __RTL functions.
2305         * Makefile.in (OBJS): Add run-rtl-passes.o.
2306         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
2307         accessor.
2308         (gcc::pass_manager::get_clean_slate): New accessor.
2309         * passes.c: Include "insn-addr.h".
2310         (should_skip_pass_p): Add logging.  Update logic for running
2311         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
2312         property-provider override so it is only done for gimple passes.
2313         Don't skip dfinit.
2314         (skip_pass): New function.
2315         (execute_one_pass): Call skip_pass when skipping passes.
2316         * read-md.c (md_reader::read_char): Support filtering
2317         the input to a subset of line numbers.
2318         (md_reader::md_reader): Initialize fields
2319         m_first_line and m_last_line.
2320         (md_reader::read_file_fragment): New function.
2321         * read-md.h (md_reader::read_file_fragment): New decl.
2322         (md_reader::m_first_line): New field.
2323         (md_reader::m_last_line): New field.
2324         * read-rtl-function.c (function_reader::create_function): Only
2325         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
2326         curr_properties.  Set DECL_INITIAL to a dummy block.
2327         (read_rtl_function_body_from_file_range): New function.
2328         * read-rtl-function.h (read_rtl_function_body_from_file_range):
2329         New decl.
2330         * run-rtl-passes.c: New file.
2331         * run-rtl-passes.h: New file.
2332
2333 2017-01-24 Jeff Law  <law@redhat.com>
2334
2335         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
2336         buffer size.
2337
2338 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
2339
2340         PR tree-optimization/79159
2341         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
2342         (record_nonwrapping_iv): Improve boundary using above function if no
2343         value range information.
2344
2345 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
2346             Martin Jambor  <mjambor@suse.cz>
2347
2348         * brig-builtins.def: New file.
2349         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
2350         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
2351         (DEF_HSAIL_SAT_BUILTIN): Likewise.
2352         (DEF_HSAIL_INTR_BUILTIN): Likewise.
2353         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
2354         * builtin-types.def (BT_INT8): New.
2355         (BT_INT16): Likewise.
2356         (BT_UINT8): Likewise.
2357         (BT_UINT16): Likewise.
2358         (BT_FN_ULONG): Likewise.
2359         (BT_FN_UINT_INT): Likewise.
2360         (BT_FN_UINT_ULONG): Likewise.
2361         (BT_FN_UINT_LONG): Likewise.
2362         (BT_FN_UINT_PTR): Likewise.
2363         (BT_FN_ULONG_PTR): Likewise.
2364         (BT_FN_INT8_FLOAT): Likewise.
2365         (BT_FN_INT16_FLOAT): Likewise.
2366         (BT_FN_UINT32_FLOAT): Likewise.
2367         (BT_FN_UINT16_FLOAT): Likewise.
2368         (BT_FN_UINT8_FLOAT): Likewise.
2369         (BT_FN_UINT64_FLOAT): Likewise.
2370         (BT_FN_UINT16_UINT32): Likewise.
2371         (BT_FN_UINT32_UINT16): Likewise.
2372         (BT_FN_UINT16_UINT16_UINT16): Likewise.
2373         (BT_FN_INT_PTR_INT): Likewise.
2374         (BT_FN_UINT_PTR_UINT): Likewise.
2375         (BT_FN_LONG_PTR_LONG): Likewise.
2376         (BT_FN_ULONG_PTR_ULONG): Likewise.
2377         (BT_FN_VOID_UINT64_UINT64): Likewise.
2378         (BT_FN_UINT8_UINT8_UINT8): Likewise.
2379         (BT_FN_INT8_INT8_INT8): Likewise.
2380         (BT_FN_INT16_INT16_INT16): Likewise.
2381         (BT_FN_INT_INT_INT): Likewise.
2382         (BT_FN_UINT_FLOAT_UINT): Likewise.
2383         (BT_FN_FLOAT_UINT_UINT): Likewise.
2384         (BT_FN_ULONG_UINT_UINT): Likewise.
2385         (BT_FN_ULONG_UINT_PTR): Likewise.
2386         (BT_FN_ULONG_ULONG_ULONG): Likewise.
2387         (BT_FN_UINT_UINT_UINT): Likewise.
2388         (BT_FN_VOID_UINT_PTR): Likewise.
2389         (BT_FN_UINT_UINT_PTR: Likewise.
2390         (BT_FN_UINT32_UINT64_PTR): Likewise.
2391         (BT_FN_INT_INT_UINT_UINT): Likewise.
2392         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
2393         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
2394         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
2395         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
2396         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
2397         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
2398         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
2399         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
2400         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
2401         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
2402         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
2403         * doc/frontends.texi: List BRIG FE.
2404         * doc/install.texi (Testing): Add BRIG tesring requirements.
2405         * doc/invoke.texi (Overall Options): Mention BRIG.
2406         * doc/standards.texi (Standards): Doucment BRIG HSA version.
2407
2408 2017-01-24  Richard Biener  <rguenther@suse.de>
2409
2410         PR translation/79208
2411         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
2412
2413 2017-01-24  Martin Jambor  <mjambor@suse.cz>
2414
2415         PR bootstrap/79198
2416         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
2417         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
2418         and known_contexts.
2419
2420 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
2421
2422         PR middle-end/79123
2423         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
2424         casts from signed to unsigned really don't have a range.
2425
2426 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
2427
2428         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
2429         GMP_RNDx for compatiblity.
2430
2431 2017-01-24  Martin Liska  <mliska@suse.cz>
2432
2433         PR bootstrap/79132
2434         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
2435         that would prevent us to call alloca with -1 as argument.
2436
2437 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
2438
2439         * dwarf2out.c (output_compilation_unit_header, output_file_names):
2440         Avoid -Wformat-security warning.
2441
2442 2017-01-23  Andrew Pinski  <apinski@cavium.com>
2443
2444         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
2445         cost table.
2446
2447 2017-01-23  Martin Sebor  <msebor@redhat.com>
2448
2449         PR middle-end/78703
2450         * gimple-ssa-sprintf.c (warn_level): New global.
2451         (format_integer): Use it here and throughout the rest of the file.
2452         Use the same switch to compute sign as base.
2453         (maybe_warn): New function.
2454         (format_directive): Factor out warnings into maybe_warn.
2455         Add debugging output.  Use warn_level.
2456         (add_bytes): Use warn_level.
2457         (pass_sprintf_length::compute_format_length): Add debugging output.
2458         (try_substitute_return_value): Same.
2459         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
2460
2461         PR middle-end/78703
2462         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
2463         (struct fmtresult, format_integer, format_floating): Adjust.
2464         (fmtresult::fmtresult): Set max correctly in two argument ctor.
2465         (get_string_length, format_string,format_directive): Same.
2466         (pass_sprintf_length::compute_format_length): Same.
2467         (try_substitute_return_value): Simplify slightly.
2468
2469         PR middle-end/78703
2470         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
2471         (fmtresult::operator+=): Outlined.
2472         (struct fmtresult): Add ctors.
2473         (struct conversion_spec): Rename...
2474         (struct directive): ...to this.  Add and remove data members.
2475         (directive::set_width, directive::set_precision): New functions.
2476         (format_percent): Use fmtresult ctor.
2477         (get_width_and_precision): Remove.
2478         (format_integer): Make naming changes.  Avoid computing width and
2479         precision.
2480         (format_floating): Same.  Adjust indentation.
2481         (format_character, format_none): New functions.
2482         (format_string): Moved character handling to format_character.
2483         (format_directive): Remove arguments, change return type.
2484         (parse_directive): New function.
2485         (pass_sprintf_length::compute_format_length): Move directive
2486         parsing to parse_directive.
2487
2488 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
2489
2490         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
2491         (assign_assembler_name_if_needed): ... this.
2492         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
2493         (assign_assembler_name_if_needed): ... this.
2494         (free_lang_data_in_cgraph): Adjust callers.
2495         * cgraphunit.c (cgraph_node::analyze): Likewise.
2496         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
2497         Likewise.
2498
2499 2017-01-23  Richard Biener  <rguenther@suse.de>
2500
2501         PR tree-optimization/79088
2502         PR tree-optimization/79188
2503         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
2504         resetting loop bounds after last path deletion.  Reset loop
2505         bounds of the target loop, make code match the comments.
2506         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
2507         Make sure loops need no fixups.
2508
2509 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2510
2511         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
2512         exponent support with double type for first argument.
2513         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
2514         type returned by __builtin_vec_extract_sig,
2515         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
2516         functions from "vector int" to "vector unsigned int" or from
2517         "vector long long int" to "vector unsigned long long int".
2518         Changed type returned by __builtin_vec_extract_exp,
2519         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
2520         functions from "vector int" to "vector unsigned int" or from
2521         "vector long long int" to "vector unsigned long long int".
2522         Changed return type of __builtin_vec_test_data_class,
2523         __builtin_vec_test_data_class_sp, and
2524         __builtin_vec_test_data_class_dp from "vector int" to
2525         "vector bool int" or from "vector long long int" to "vector bool
2526         long long int" and changed second argument type from "unsigned
2527         int" to "int".  Added new overloaded function forms "vector float
2528         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
2529         "vector float __builtin_vec_insert_exp_sp (vector float, vector
2530         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
2531         double, vector unsigned long long int)" and "vector double
2532         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
2533         long int)".  Changed return type of
2534         __builtin_scalar_test_data_class and
2535         __builtin_scalar_test_data_class_sp and
2536         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
2537         int" and changed second argument from "unsigned int" to "int".
2538         Changed type returned by __builtin_scalar_test_neg,
2539         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
2540         from "int" to "bool int".  Added new overloaded function form
2541         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
2542         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
2543         exponent double-precision with floating point first argument.
2544         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
2545         documentation of scalar_test_data_class, scalar_test_neg,
2546         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
2547         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
2548         vec_test_data_class built-in functions to reflect refinements in
2549         their type signatures.
2550
2551 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
2552
2553         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
2554         size of buf.
2555         (aarch64_elf_asm_destructor): Likewise.
2556
2557 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
2558
2559         PR rtl-optimization/78634
2560         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
2561         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
2562         * ifcvt.c (noce_try_cmove): Add missing cost check.
2563
2564         PR rtl-optimization/71724
2565         * combine.c (if_then_else_cond): Look for situations where it is
2566         beneficial to undo the work of one of the recursive calls.
2567
2568 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
2569
2570         PR tree-optimization/70754
2571         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
2572         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
2573         combined stmt before it if not NULL.
2574         (combine_chains): Process refs reversely and compute dominance point
2575         for root ref.
2576
2577 2017-01-23  Martin Liska  <mliska@suse.cz>
2578
2579         PR tree-optimization/79196
2580         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
2581         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
2582         instead of memcmp.
2583         (strlen_optimize_stmt): Call the renamed function.
2584
2585 2017-01-23  Michael Matz  <matz@suse.de>
2586
2587         PR tree-optimization/78384
2588         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
2589
2590 2017-01-23  Richard Biener  <rguenther@suse.de>
2591
2592         PR tree-optimization/79186
2593         * tree-vrp.c (register_new_assert_for): Make sure we've seen
2594         both incoming edges before moving an assert.
2595
2596 2017-01-23  Martin Jambor  <mjambor@suse.cz>
2597
2598         * ipa-prop.c (load_from_param_1): Removed.
2599         (load_from_unmodified_param): Bits from load_from_param_1 put back
2600         here.
2601         (load_from_param): Removed.
2602         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
2603         with stmt.  Reverted back to use of load_from_unmodified_param.
2604
2605 2017-01-23  Martin Jambor  <mjambor@suse.cz>
2606
2607         PR ipa/79108
2608         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
2609         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
2610         field a pointer to garbage collected vector, mark lattices and
2611         ipcp_orig_node with GTY((skip)).
2612         (ipa_get_param_count): Adjust to descriptors being a pointer.
2613         (ipa_get_param): Likewise.
2614         (ipa_get_type): Likewise.
2615         (ipa_get_param_move_cost): Likewise.
2616         (ipa_set_param_used): Likewise.
2617         (ipa_get_controlled_uses): Likewise.
2618         (ipa_set_controlled_uses): Likewise.
2619         (ipa_is_param_used): Likewise.
2620         (ipa_node_params_t): Move into garbage collector.  New methods insert
2621         and remove.
2622         (ipa_node_params_sum): Annotate wth GTY(()).
2623         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
2624         garbage collected.
2625         (ipa_load_from_parm_agg): Adjust declaration.
2626         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
2627         * ipa-profile.c (ipa_profile): Likewise.
2628         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
2629         (ipa_populate_param_decls): Make descriptors parameter garbage
2630         collected.
2631         (ipa_dump_param): Adjust to descriptors being a pointer.
2632         (ipa_alloc_node_params): Likewise.
2633         (ipa_initialize_node_params): Likewise.
2634         (load_from_param_1): Make descriptors parameter garbage collected.
2635         (load_from_unmodified_param): Likewise.
2636         (load_from_param): Likewise.
2637         (ipa_load_from_parm_agg): Likewise.
2638         (ipa_node_params::~ipa_node_params): Removed.
2639         (ipa_free_all_node_params): Remove call to delete operator.
2640         (ipa_node_params_t::insert): New.
2641         (ipa_node_params_t::remove): Likewise.
2642         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
2643         copy known_csts and known_contexts vectors.
2644         (ipa_read_node_info): Adjust to descriptors being a pointer.
2645         (ipcp_modif_dom_walker): Make m_descriptors field garbage
2646         collected.
2647         (ipcp_transform_function): Make descriptors variable garbage
2648         collected.
2649
2650 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
2651
2652         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
2653         * config/i386/avx512dqintrin.h: Ditto.
2654         * config/i386/avx512fintrin.h: Ditto.
2655         * gcc/config/i386/i386.c: Handle new builtins.
2656         * config/i386/i386-builtin.def: Add new builtins.
2657         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
2658         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
2659
2660 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
2661             Martin Liska  <mliska@suse.cz>
2662
2663         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
2664         * asan.c (asan_expand_poison_ifn): Support stores and use
2665         appropriate ASAN report function.
2666         * internal-fn.c (expand_ASAN_POISON_USE): New function.
2667         * internal-fn.def (ASAN_POISON_USE): Declare.
2668         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
2669         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
2670         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
2671         ASAN_POISON calls w/o LHS.
2672         * tree-ssa.c (execute_update_addresses_taken): Create clobber
2673         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
2674         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
2675         * gimplify.c (asan_poison_variables): Add attribute
2676         use_after_scope_memory to variables that really needs to live
2677         in memory.
2678         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
2679         having the attribute.
2680
2681 2017-01-23  Martin Liska  <mliska@suse.cz>
2682
2683         * asan.c (create_asan_shadow_var): New function.
2684         (asan_expand_poison_ifn): Likewise.
2685         * asan.h (asan_expand_poison_ifn): New declaration.
2686         * internal-fn.c (expand_ASAN_POISON): Likewise.
2687         * internal-fn.def (ASAN_POISON): New builtin.
2688         * sanopt.c (pass_sanopt::execute): Expand
2689         asan_expand_poison_ifn.
2690         * tree-inline.c (copy_decl_for_dup_finish): Make function
2691         external.
2692         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
2693         * tree-ssa.c (is_asan_mark_p): New function.
2694         (execute_update_addresses_taken): Rewrite local variables
2695         (identified just by use-after-scope as addressable) into SSA.
2696
2697 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
2698
2699         * doc/install.texi (Specific): opensource.apple.com uses https
2700         now. Remove trailing slash.
2701
2702 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
2703
2704         * README.Portability: Remove note on an Irix compatibility issue.
2705
2706 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
2707
2708         * gcov.c (INCLUDE_ALGORITHM): Define.
2709         (INCLUDE_VECTOR): Define.
2710         No longer include <vector> and <algorithm> directly.
2711
2712 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
2713
2714         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
2715         to https.
2716         * doc/invoke.texi (Code Gen Options): Ditto.
2717
2718 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
2719
2720         PR lto/78407
2721         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
2722
2723 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
2724
2725         rtl-optimization/79125
2726         * cprop.c (local_cprop_pass): Handle cases where we make an
2727         unconditional trap.
2728
2729 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
2730
2731         PR target/61729
2732         PR target/77850
2733         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
2734         read from, for big endian.
2735
2736 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
2737
2738         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
2739         register pauth builtins for LP64 only.
2740
2741 2017-01-20  Marek Polacek  <polacek@redhat.com>
2742
2743         PR c/79152
2744         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
2745         non-case labels.
2746
2747 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
2748
2749         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
2750         of safelen status.
2751         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
2752         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
2753         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
2754
2755 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2756
2757         PR target/71270
2758         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
2759         in big-endian mode when they are not a single duplicated value.
2760
2761 2017-01-20  Richard Biener  <rguenther@suse.de>
2762
2763         * BASE-VER: Bump to 7.0.1.
2764
2765 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
2766
2767         * omp-low.c (omplow_simd_context): New struct.  Use it...
2768         (lower_rec_simd_input_clauses): ...here and...
2769         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
2770         references to idx, lane, max_vf, is_simt.
2771
2772 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
2773
2774         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
2775         mcpu=nps400.
2776
2777 2017-01-20  Martin Jambor  <mjambor@suse.cz>
2778
2779         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
2780         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
2781         gt-hsa-common.h.
2782         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
2783         (GTFILES): Rename hsa.c to hsa-common.c.
2784         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
2785         * hsa-dump.c: Likewise.
2786         * hsa-gen.c: Likewise.
2787         * hsa-regalloc.c: Likewise.
2788         * ipa-hsa.c: Likewise.
2789         * omp-expand.c: Likewise.
2790         * omp-low.c: Likewise.
2791         * toplev.c: Likewise.
2792
2793 2017-01-20  Marek Polacek  <polacek@redhat.com>
2794
2795         PR c/64279
2796         * doc/invoke.texi: Document -Wduplicated-branches.
2797         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
2798         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
2799         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
2800         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
2801         return 0 only when not OEP_LEXICOGRAPHIC.
2802         (fold_build_cleanup_point_expr): Use the expression
2803         location when building CLEANUP_POINT_EXPR.
2804         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
2805         * tree.c (add_expr): Handle error_mark_node.
2806
2807 2017-01-20  Martin Liska  <mliska@suse.cz>
2808
2809         PR lto/69188
2810         * tree-profile.c (init_ic_make_global_vars): Do not call
2811         finalize_decl.
2812         (gimple_init_gcov_profiler): Likewise.
2813
2814 2017-01-20  Martin Liska  <mliska@suse.cz>
2815
2816         PR ipa/71190
2817         * cgraph.h (maybe_create_reference): Remove argument and
2818         update comment.
2819         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
2820         argument.
2821         * ipa-cp.c (create_specialized_node): Likewise.
2822         * symtab.c (symtab_node::maybe_create_reference): Handle
2823         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
2824
2825 2017-01-20  Martin Liska  <mliska@suse.cz>
2826
2827         * read-rtl-function.c (function_reader::create_function): Use
2828         build_decl instread of build_decl_stat.
2829
2830 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
2831
2832         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
2833         * config/i386/avx512dqintrin.h: Ditto.
2834         * config/i386/avx512fintrin.h: Ditto.
2835         * config/i386/i386-builtin-types.def: Add new types.
2836         * gcc/config/i386/i386.c: Handle new types.
2837         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
2838         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
2839         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
2840         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
2841         (__builtin_ia32_kshiftridi): New.
2842         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
2843
2844 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
2845
2846         PR target/78875
2847         PR target/79140
2848         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
2849         define to rs6000_init_stack_protect_guard.
2850         (rs6000_init_stack_protect_guard): New function.
2851
2852 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
2853             Yunqiang Su  <yunqiang.su@imgtec.com>
2854
2855         * config.gcc (supported_defaults): Add madd4.
2856         (with_madd4): Add validation.
2857         (all_defaults): Add madd4.
2858         * config/mips/mips.opt (mmadd4): New option.
2859         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
2860         mmadd4.
2861         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
2862         __mips_no_madd4.
2863         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
2864         (ISA_HAS_FUSED_MADD4): Likewise.
2865         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
2866         * gcc/doc/install.texi (--with-madd4): Document the new option.
2867
2868 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
2869
2870         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
2871         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
2872         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
2873         (aarch64_init_pauth_hint_builtins): New.
2874         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
2875         (aarch64_expand_builtin): Expand new builtins.
2876
2877 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
2878
2879         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
2880         * combine-stack-adj.c (no_unhandled_cfa): Handle
2881         REG_CFA_TOGGLE_RA_MANGLE.
2882         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
2883         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
2884         info for return address signing.
2885         (aarch64_expand_epilogue): Likewise.
2886
2887 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
2888
2889         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
2890         * config/aarch64/aarch64-protos.h
2891         (aarch64_return_address_signing_enabled): New declaration.
2892         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
2893         New function.
2894         (aarch64_expand_prologue): Sign return address before it's pushed onto
2895         stack.
2896         (aarch64_expand_epilogue): Authenticate return address fetched from
2897         stack.
2898         (aarch64_override_options): Sanity check for ILP32 and ISA level.
2899         (aarch64_attributes): New function attributes for "sign-return-address".
2900         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
2901         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
2902         ("*do_return"): Generate combined instructions according to key index.
2903         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
2904         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
2905         iterators.
2906         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
2907         * config/aarch64/aarch64.opt (msign-return-address=): New.
2908         * doc/extend.texi (AArch64 Function Attributes): Documents
2909         "sign-return-address=".
2910         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
2911
2912 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
2913
2914         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
2915         overall option summary.
2916
2917 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
2918
2919         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
2920         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
2921         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
2922         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
2923
2924 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
2925
2926         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
2927         -mpower9-minmax by default for -mcpu=power9.
2928         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
2929         128-bit floating point.
2930
2931 2017-01-20  Alan Modra  <amodra@gmail.com>
2932
2933         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
2934         optimizing for size.
2935
2936 2017-01-20  Alan Modra  <amodra@gmail.com>
2937
2938         PR target/79144
2939         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
2940         for strcmp and strncmp from corresponding builtin decl.
2941
2942 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
2943
2944         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
2945         instead of i386/rtems-64.h.
2946         * config/i386/rtems-64.h: Remove.
2947
2948 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
2949
2950         PR target/78478
2951         Revert:
2952         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
2953
2954         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
2955
2956 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
2957
2958         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
2959         Change int to HOST_WIDE_INT.
2960         * config/aarch64/aarch64-protos.h
2961         (aarch64_simd_gen_const_vector_dup): Likewise.
2962         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
2963
2964 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
2965
2966         * langhooks-def.h (lhd_type_for_size): New decl.
2967         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
2968         * langhooks.c (lhd_type_for_size): New function, taken from
2969         lto_type_for_size.
2970
2971 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
2972
2973         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
2974         define_bypass for CR latency.
2975         (power9-cracked-alu): Update bypass latency and remove power9-branch.
2976         (power9-alu2): Add define_bypass for CR latency.
2977         (power9-cmp): New.
2978         (power9-mul): Update insn latency.
2979         (power9-mul-compare): Update insn latency, bypass latency and remove
2980         power9-branch.
2981
2982 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2983
2984         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
2985         Delete.
2986         * config/aarch64/aarch64.md
2987         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
2988         aarch64_nopcrelative_literal_loads.
2989         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
2990
2991 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
2992
2993         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
2994         TARGET_LOONGSON_3A.
2995         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
2996
2997 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
2998
2999         PR target/78176
3000         * config.gcc (supported_defaults): Add lxc1-sxc1.
3001         (with_lxc1_sxc1): Add validation.
3002         (all_defaults): Add lxc1-sxc1.
3003         * config/mips/mips.opt (mlxc1-sxc1): New option.
3004         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
3005         mlxc1-sxc1.
3006         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
3007         __mips_no_lxc1_sxc1.
3008         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
3009         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
3010         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
3011
3012 2017-01-19  Richard Biener  <rguenther@suse.de>
3013
3014         PR tree-optimization/72488
3015         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
3016         sure to restore SSA info.
3017         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
3018
3019 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
3020
3021         PR rtl-optimization/79121
3022         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
3023         of the inner type when shifting an extended value.
3024
3025 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
3026
3027         PR lto/78407
3028         * symtab.c (symtab_node::equal_address_to): Fix comparing of
3029         interposable aliases.
3030
3031 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
3032
3033         PR target/78516
3034         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
3035         Use the evmergelohi instruction.
3036         (mov_si<mode>_e500_subreg4_2_le): Likewise.
3037         (mov_sitf_e500_subreg8_2_be): Likewise.
3038         (mov_sitf_e500_subreg12_2_le): Likewise.
3039         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
3040         (mov_si<mode>_e500_subreg4_2_be): Likewise.
3041         (mov_sitf_e500_subreg8_2_le): Likewise.
3042         (mov_sitf_e500_subreg12_2_be): Likewise.
3043
3044 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3045
3046         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
3047         attribute from vecsimple to vecperm.
3048         (altivec_vbpermq2): Likewise.
3049
3050 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3051
3052         PR target/79040
3053         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
3054
3055 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3056         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
3057         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
3058         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
3059         case where N arg is SIZE_MAX.
3060         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
3061         (cmpstrsi): Add pattern.
3062
3063 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3064
3065         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3066         __builtin_vec_revb builtins.
3067         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
3068         built-in functions to support generation of the ISA 3.0 XXBR<x>
3069         vector byte reverse instructions.
3070         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
3071         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
3072         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
3073         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
3074         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
3075         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
3076         (P9V_BUILTIN_VEC_REVB): Likewise.
3077         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
3078         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
3079         (p9_xxbrq_v16qi): Likewise.
3080         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
3081         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
3082         (p9_xxbrh_v8hi): Likewise.
3083         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
3084         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
3085         vec_revb built-in functions.
3086
3087 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
3088
3089         PR rtl-optimization/78952
3090         * config/i386/i386.md (any_extract): New code iterator.
3091         (*insvqi_2): Use any_extract for source operand.
3092         (*insvqi_3): Use any_shiftrt for source operand.
3093
3094 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
3095
3096         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
3097         New function.
3098         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
3099
3100 2017-01-18  Matthias Klose  <doko@ubuntu.com>
3101
3102         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
3103
3104 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3105
3106         * config/rs6000/altivec.h (vec_bperm): Change #define.
3107         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
3108         (altivec_vbpermq2): New define_insn.
3109         (altivec_vbpermd): Likewise.
3110         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
3111         function interface.
3112         (VBPERMD): Likewise.
3113         (VBPERM): New polymorphic function interface.
3114         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
3115         Add entries for P9V_BUILTIN_VEC_VBPERM.
3116         * doc/extend.texi: Add interfaces for vec_bperm.
3117
3118 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3119
3120         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
3121         first letter of error messages.
3122         (s390_resolve_overloaded_builtin): Likewise.
3123         * config/s390/s390.c (s390_expand_builtin): Likewise.
3124         (s390_invalid_arg_for_unprototyped_fn): Likewise.
3125         (s390_valid_target_attribute_inner_p): Likewise.
3126         * config/s390/s390.md ("tabort"): Likewise.
3127
3128 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
3129
3130         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
3131         (ISA_AVOID_DIV_HILO): New macro.
3132         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
3133         (ISA_HAS_DDIV): Likewise.
3134
3135 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3136
3137         * doc/invoke.texi (fabi-version): Correct number of occurrences.
3138
3139 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3140
3141         * doc/invoke.texi (fabi-version): Spelling fix.
3142
3143 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3144
3145         PR c++/70182
3146         * doc/invoke.texi (fabi-version): Mention mangling fix for
3147         operator names.
3148
3149 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3150
3151         PR c++/77489
3152         * doc/invoke.texi (fabi-version): Document discriminator mangling.
3153
3154 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
3155
3156         PR target/78875
3157         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
3158         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
3159         the new options.
3160         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
3161         flexible settings.
3162         (stack_protect_test): Ditto.
3163         * config/rs6000/rs6000.opt (mstack-protector-guard=,
3164         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
3165         options.
3166         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
3167         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
3168         -mstack-protector-guard-offset=.
3169         (RS/6000 and PowerPC Options): Ditto.
3170
3171 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
3172
3173         * config/i386/i386.h (MASK_CLASS_P): New define.
3174         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
3175         there are no registers from different register sets also when
3176         mask registers are used.  Update function comment.
3177         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
3178         to (*k/*r) and (*k/*km) alternatives.
3179
3180 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
3181
3182         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
3183         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
3184         (EH_RETURN_HANDLER_RTX): New define.
3185         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
3186         Force frame pointer in EH return functions.
3187         (aarch64_expand_epilogue): Add barrier for eh_return.
3188         (aarch64_final_eh_return_addr): Remove.
3189         (aarch64_eh_return_handler_rtx): New function.
3190         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
3191         Remove.
3192         (aarch64_eh_return_handler_rtx): New prototype.
3193
3194 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3195
3196         * config/rs6000/altivec.h (vec_rlmi): New #define.
3197         (vec_vrlnm): Likewise.
3198         (vec_rlnm): Likewise.
3199         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
3200         (UNSPEC_VRLNM): Likewise.
3201         (VIlong): New mode iterator.
3202         (altivec_vrl<VI_char>mi): New define_insn.
3203         (altivec_vrl<VI_char>nm): Likewise.
3204         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
3205         function entry.
3206         (VRLDNM): Likewise.
3207         (RLNM): New polymorphic function entry.
3208         (VRLWMI): New monomorphic function entry.
3209         (VRLDMI): Likewise.
3210         (RLMI): New polymorphic function entry.
3211         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
3212         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
3213         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
3214         vec_vrlnm.
3215
3216 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3217
3218         PR debug/78839
3219         * dwarf2out.c (field_byte_offset): Restore the
3220         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
3221         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
3222         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
3223         of build2 + fold.
3224
3225 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3226
3227         PR ada/67205
3228         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
3229
3230 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR debug/71669
3233         * dwarf2out.c (add_data_member_location_attribute): For constant
3234         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
3235         instead of DW_AT_data_member_location, DW_AT_bit_offset and
3236         DW_AT_byte_size attributes.
3237
3238 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3239
3240         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
3241         after forcing to constant memory when the code model is medium.
3242
3243 2017-01-17  Julia Koval  <julia.koval@intel.com>
3244
3245         PR target/76731
3246         * config/i386/avx512fintrin.h
3247         (_mm512_i32gather_ps): Change __addr type to void const*.
3248         (_mm512_mask_i32gather_ps): Ditto.
3249         (_mm512_i32gather_pd): Ditto.
3250         (_mm512_mask_i32gather_pd): Ditto.
3251         (_mm512_i64gather_ps): Ditto.
3252         (_mm512_mask_i64gather_ps): Ditto.
3253         (_mm512_i64gather_pd): Ditto.
3254         (_mm512_mask_i64gather_pd): Ditto.
3255         (_mm512_i32gather_epi32): Ditto.
3256         (_mm512_mask_i32gather_epi32): Ditto.
3257         (_mm512_i32gather_epi64): Ditto.
3258         (_mm512_mask_i32gather_epi64): Ditto.
3259         (_mm512_i64gather_epi32): Ditto.
3260         (_mm512_mask_i64gather_epi32): Ditto.
3261         (_mm512_i64gather_epi64): Ditto.
3262         (_mm512_mask_i64gather_epi64): Ditto.
3263         (_mm512_i32scatter_ps): Change __addr type to void*.
3264         (_mm512_mask_i32scatter_ps): Ditto.
3265         (_mm512_i32scatter_pd): Ditto.
3266         (_mm512_mask_i32scatter_pd): Ditto.
3267         (_mm512_i64scatter_ps): Ditto.
3268         (_mm512_mask_i64scatter_ps): Ditto.
3269         (_mm512_i64scatter_pd): Ditto.
3270         (_mm512_mask_i64scatter_pd): Ditto.
3271         (_mm512_i32scatter_epi32): Ditto.
3272         (_mm512_mask_i32scatter_epi32): Ditto.
3273         (_mm512_i32scatter_epi64): Ditto.
3274         (_mm512_mask_i32scatter_epi64): Ditto.
3275         (_mm512_i64scatter_epi32): Ditto.
3276         (_mm512_mask_i64scatter_epi32): Ditto.
3277         (_mm512_i64scatter_epi64): Ditto.
3278         (_mm512_mask_i64scatter_epi64): Ditto.
3279         * config/i386/avx512pfintrin.h
3280         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
3281         (_mm512_mask_prefetch_i32gather_ps): Ditto.
3282         (_mm512_mask_prefetch_i64gather_pd): Ditto.
3283         (_mm512_mask_prefetch_i64gather_ps): Ditto.
3284         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
3285         (_mm512_prefetch_i32scatter_ps): Ditto.
3286         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
3287         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
3288         (_mm512_prefetch_i64scatter_pd): Ditto.
3289         (_mm512_prefetch_i64scatter_ps): Ditto.
3290         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
3291         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
3292         * config/i386/avx512vlintrin.h
3293         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
3294         (_mm_mmask_i32gather_ps): Ditto.
3295         (_mm256_mmask_i32gather_pd): Ditto.
3296         (_mm_mmask_i32gather_pd): Ditto.
3297         (_mm256_mmask_i64gather_ps): Ditto.
3298         (_mm_mmask_i64gather_ps): Ditto.
3299         (_mm256_mmask_i64gather_pd): Ditto.
3300         (_mm_mmask_i64gather_pd): Ditto.
3301         (_mm256_mmask_i32gather_epi32): Ditto.
3302         (_mm_mmask_i32gather_epi32): Ditto.
3303         (_mm256_mmask_i32gather_epi64): Ditto.
3304         (_mm_mmask_i32gather_epi64): Ditto.
3305         (_mm256_mmask_i64gather_epi32): Ditto.
3306         (_mm_mmask_i64gather_epi32): Ditto.
3307         (_mm256_mmask_i64gather_epi64): Ditto.
3308         (_mm_mmask_i64gather_epi64): Ditto.
3309         (_mm256_i32scatter_ps): Change __addr type to void*.
3310         (_mm256_mask_i32scatter_ps): Ditto.
3311         (_mm_i32scatter_ps): Ditto.
3312         (_mm_mask_i32scatter_ps): Ditto.
3313         (_mm256_i32scatter_pd): Ditto.
3314         (_mm256_mask_i32scatter_pd): Ditto.
3315         (_mm_i32scatter_pd): Ditto.
3316         (_mm_mask_i32scatter_pd): Ditto.
3317         (_mm256_i64scatter_ps): Ditto.
3318         (_mm256_mask_i64scatter_ps): Ditto.
3319         (_mm_i64scatter_ps): Ditto.
3320         (_mm_mask_i64scatter_ps): Ditto.
3321         (_mm256_i64scatter_pd): Ditto.
3322         (_mm256_mask_i64scatter_pd): Ditto.
3323         (_mm_i64scatter_pd): Ditto.
3324         (_mm_mask_i64scatter_pd): Ditto.
3325         (_mm256_i32scatter_epi32): Ditto.
3326         (_mm256_mask_i32scatter_epi32): Ditto.
3327         (_mm_i32scatter_epi32): Ditto.
3328         (_mm_mask_i32scatter_epi32): Ditto.
3329         (_mm256_i32scatter_epi64): Ditto.
3330         (_mm256_mask_i32scatter_epi64): Ditto.
3331         (_mm_i32scatter_epi64): Ditto.
3332         (_mm_mask_i32scatter_epi64): Ditto.
3333         (_mm256_i64scatter_epi32): Ditto.
3334         (_mm256_mask_i64scatter_epi32): Ditto.
3335         (_mm_i64scatter_epi32): Ditto.
3336         (_mm_mask_i64scatter_epi32): Ditto.
3337         (_mm256_i64scatter_epi64): Ditto.
3338         (_mm256_mask_i64scatter_epi64): Ditto.
3339         (_mm_i64scatter_epi64): Ditto.
3340         (_mm_mask_i64scatter_epi64): Ditto.
3341         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
3342         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
3343         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
3344         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
3345         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
3346         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
3347         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
3348         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
3349         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
3350         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
3351         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
3352         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
3353         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
3354         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
3355         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
3356         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
3357         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
3358         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
3359         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
3360         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
3361         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
3362         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
3363         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
3364         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
3365         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
3366         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
3367         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
3368         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
3369         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
3370         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
3371         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
3372         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
3373         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
3374         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
3375         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
3376         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
3377         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
3378         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
3379         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
3380         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
3381         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
3382         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
3383         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
3384         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
3385         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
3386         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
3387         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
3388         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
3389         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
3390         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
3391         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
3392         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
3393         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
3394         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
3395         definitions accordingly.
3396
3397 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
3398             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
3399
3400         PR target/79079
3401         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
3402         gen_lowpart.
3403
3404 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
3405
3406         PR target/79058
3407         * ira-conflicts.c (ira_build_conflicts): Update total conflict
3408         hard regs for inner regno.
3409
3410 2017-01-17  Martin Liska  <mliska@suse.cz>
3411
3412         PR ipa/71207
3413         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
3414         assumption and add comment.
3415
3416 2017-01-17  Nathan Sidwell  <nathan@acm.org>
3417
3418         * ipa-visibility.c (localize_node): New function, broken out of ...
3419         (function_and_variable_visibility): ... here. Call it.
3420
3421 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
3422
3423         PR middle-end/77445
3424         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
3425         correctly set frequency of oudgoing edge.
3426         (duplicate_thread_path): Fix profile updating.
3427
3428 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3429
3430         PR other/79046
3431         * configure.ac: Add GCC_BASE_VER.
3432         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
3433         version from BASE-VER file.
3434         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
3435         (gcc.o): Depend on $(BASEVER).
3436         * common.opt (dumpfullversion): New option.
3437         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
3438         * doc/invoke.texi: Document -dumpfullversion.
3439         * doc/install.texi: Document --with-gcc-major-version-only.
3440         * configure: Regenerated.
3441
3442 2017-01-17  Richard Biener  <rguenther@suse.de>
3443
3444         PR tree-optimization/71433
3445         * tree-vrp.c (register_new_assert_for): Merge same asserts
3446         on all incoming edges.
3447         (process_assert_insertions_for): Handle insertions at the
3448         beginning of BBs.
3449
3450 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
3451
3452         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
3453         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
3454
3455 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3456
3457         PR target/78633
3458         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
3459         RTL sharing.
3460
3461 2017-01-17  Alan Modra  <amodra@gmail.com>
3462
3463         PR target/79066
3464         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
3465         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
3466         symbolic stack limit when pic.
3467
3468 2017-01-16  Martin Sebor  <msebor@redhat.com>
3469
3470         PR tree-optimization/78608
3471         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
3472
3473 2017-01-16  Jeff Law  <law@redhat.com>
3474
3475         Revert:
3476         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
3477         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
3478         for several include directories that may be relative to sysroot.
3479         * config/i386/x-mingw32 (gplus_includedir): Define.
3480         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
3481         (native_system_includedir): Likewise.
3482         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
3483         override if TARGET_SYSTEM_ROOT is defined.
3484         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
3485
3486         PR tree-optimization/79090
3487         PR tree-optimization/33562
3488         PR tree-optimization/61912
3489         PR tree-optimization/77485
3490         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
3491         and computed trims into the dump file.
3492
3493 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
3494
3495         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
3496
3497 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
3498
3499         PR c/79089
3500         * gimplify.c (gimplify_init_constructor): If want_value and
3501         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
3502         fix.
3503
3504         PR target/79080
3505         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
3506         sequence.  Formatting fixes.
3507         (doloop_optimize): Formatting fixes.
3508
3509         PR driver/49726
3510         * gcc.c (debug_level_greater_than_spec_func): New function.
3511         (static_spec_functions): Add debug-level-gt spec function.
3512         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
3513         !g0.
3514         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
3515         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
3516         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
3517         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
3518         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
3519         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
3520
3521 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
3522
3523         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
3524         QImode fixups to general and mask registers only.
3525
3526 2017-01-16  Carl Love  <cel@us.ibm.com>
3527
3528         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
3529         for built-in functions
3530         vector signed char vec_nabs (vector signed char)
3531         vector signed short vec_nabs (vector signed short)
3532         vector signed int vec_nabs (vector signed int)
3533         vector signed long long vec_nabs (vector signed long long)
3534         vector float vec_nabs (vector float)
3535         vector double vec_nabs (vector double)
3536         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
3537         and NABS overload.
3538         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
3539         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
3540         * doc/extend.texi: Update the documentation file for the new built-in
3541         functions.
3542
3543 2017-01-16  Martin Sebor  <msebor@redhat.com>
3544
3545         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
3546         message.
3547
3548 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3549
3550         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
3551         UNSPEC_VSX__XXSPLTD to require special splat handling.
3552
3553 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
3554
3555         PR bootstrap/78616
3556         * system.h: Poison strndup.
3557
3558 2017-01-16  Alan Modra  <amodra@gmail.com>
3559
3560         PR target/79098
3561         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
3562         use a switch.
3563
3564 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
3565
3566         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
3567
3568 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
3569
3570         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
3571         call recog here.  Assert that INSN_CODE (insn) is non-negative.
3572
3573 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
3574
3575         PR target/72749
3576         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
3577         fallthrough.
3578         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
3579         in the currently scheduled RTL fragment.
3580
3581 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
3582
3583         PR rtl-optimization/78751
3584         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
3585         give up.
3586
3587 2017-01-14  Jeff Law  <law@redhat.com>
3588
3589         PR tree-optimization/79090
3590         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
3591         variable length stores.
3592         (compute_trims): Delete dead assignment to *trim_tail.
3593         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
3594         zero length.
3595
3596 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
3597
3598         PR rtl-optimization/78626
3599         PR rtl-optimization/78727
3600         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
3601         of a block, and split such blocks after everything else is finished.
3602
3603 2017-01-14  Alan Modra  <amodra@gmail.com>
3604
3605         PR target/72749
3606         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
3607         target legitimate_combined_insn.
3608         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
3609         (rs6000_legitimate_combined_insn): New function.
3610         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
3611         all uses.
3612         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
3613         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
3614         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
3615
3616 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
3617
3618         * doc/frontends.texi (G++ and GCC): Remove references to Java.
3619
3620 2017-01-13  Jeff Law  <law@redhat.com>
3621
3622         PR tree-optimization/33562
3623         PR tree-optimization/61912
3624         PR tree-optimization/77485
3625         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
3626         a statement.
3627         (delete_dead_assignment): Likewise.
3628         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
3629         statement to delete_dead_call and delete_dead_assignment.
3630
3631 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
3632
3633         PR c/78304
3634         * substring-locations.c (format_warning_va): Strengthen case 1 so
3635         that both endpoints of the substring must be within the format
3636         range for just the substring to be printed.
3637
3638 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
3639
3640         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
3641         * config/i386/i386.c (ix86_target_string): Add missing options
3642         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
3643         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
3644         flags_other and ix86_target_other to flags2_other.  Display unknown
3645         isa2 options.
3646         (ix86_valid_target_attribute_inner_p): Add missing options and
3647         reorder options by implied ISAs, as in ix86_target_string.
3648
3649 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
3650
3651         * hash-table.h (hash_table::too_empty_p): New function.
3652         (hash_table::expand): Use it.
3653         (hash_table::traverse): Likewise.
3654         (hash_table::empty_slot): Use sizeof (value_type) instead of
3655         sizeof (PTR) to convert bytes to elements.  Shrink the table
3656         if the current size is excessive for the current number of
3657         elements.
3658
3659 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
3660
3661         * ira-costs.c (record_reg_classes): Break from the inner loop
3662         early once alt_fail is known to be true.  Update outer loop
3663         handling accordingly.
3664
3665 2017-01-13  Jeff Law  <law@redhat.com>
3666
3667         * tree-ssa-dse.c (decrement_count): New function.
3668         (increment_start_addr, maybe_trim_memstar_call): Likewise.
3669         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
3670         when we know the partially dead statement is a mem* function.
3671
3672         PR tree-optimization/61912
3673         PR tree-optimization/77485
3674         * tree-ssa-dse.c: Include expr.h.
3675         (maybe_trim_constructor_store): New function.
3676         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
3677
3678         PR tree-optimization/33562
3679         PR tree-optimization/61912
3680         PR tree-optimization/77485
3681         * doc/invoke.texi: Document new dse-max-object-size param.
3682         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
3683         * tree-ssa-dse.c: Include params.h.
3684         (dse_store_status): New enum.
3685         (initialize_ao_ref_for_dse): New, partially extracted from
3686         dse_optimize_stmt.
3687         (valid_ao_ref_for_dse, normalize_ref): New.
3688         (setup_live_bytes_from_ref, compute_trims): Likewise.
3689         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
3690         (maybe_trim_partially_dead_store): Likewise.
3691         (maybe_trim_complex_store): Likewise.
3692         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
3693         Track what bytes live from the original store.  Return tri-state
3694         for dead, partially dead or live.
3695         (dse_dom_walker): Add constructor, destructor and new private members.
3696         (delete_dead_call, delete_dead_assignment): New extracted from
3697         dse_optimize_stmt.
3698         (dse_optimize_stmt): Make a member of dse_dom_walker.
3699         Use initialize_ao_ref_for_dse.
3700
3701         PR tree-optimization/33562
3702         PR tree-optimization/61912
3703         PR tree-optimization/77485
3704         * sbitmap.h (bitmap_count_bits): Prototype.
3705         (bitmap_clear_range, bitmap_set_range): Likewise.
3706         * sbitmap.c (bitmap_clear_range): New function.
3707         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
3708
3709 2017-01-13  Martin Liska  <mliska@suse.cz>
3710
3711         PR ipa/79043
3712         * function.c (set_cfun): Add new argument force.
3713         * function.h (set_cfun): Likewise.
3714         * ipa-inline-transform.c (inline_call): Use the function when
3715         strict alising from is dropped for function we inline to.
3716
3717 2017-01-13  Richard Biener  <rguenther@suse.de>
3718
3719         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
3720         for dumping GIMPLE INTEGER_CSTs.
3721
3722 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3723
3724         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
3725         to 201112L since C++17.
3726
3727 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
3728
3729         PR sanitizer/78887
3730         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
3731         if -fsanitize=kernel-address is present.
3732
3733 2017-01-13  Richard Biener  <rguenther@suse.de>
3734
3735         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
3736         as _Literal ( type ) number in case usual suffixes do not
3737         preserve all information.
3738
3739 2017-01-13  Richard Biener  <rguenther@suse.de>
3740
3741         PR tree-optimization/77283
3742         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
3743         and ssa-iterators.h.
3744         (is_feasible_trace): Implement a cost model based on joiner
3745         PHI node uses.
3746
3747 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3748
3749         PR target/79004
3750         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
3751         char or short to __float128/_Float128 directly.
3752
3753 2017-01-12  Martin Sebor  <msebor@redhat.com>
3754
3755         to -Wformat-overflow.
3756         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
3757         (min_bytes_remaining): Same.
3758         (get_string_length): Same.
3759         (format_string): Same.
3760         (format_directive): Same.
3761         (add_bytes): Same.
3762         (pass_sprintf_length::handle_gimple_call): Same.
3763
3764 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
3765
3766         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
3767         info.nowrite calls with no lhs that can't throw.  Return bool
3768         whether gsi_remove has been called or not.
3769         (pass_sprintf_length::handle_gimple_call): Return bool whether
3770         try_substitute_return_value called gsi_remove.  Formatting fix.
3771         (pass_sprintf_length::execute): Don't use gsi_remove if
3772         handle_gimple_call returned true.
3773
3774         PR bootstrap/79069
3775         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
3776         be removed due to side-effects, don't remove following barrier nor
3777         turn the successor edge into fallthru edge.
3778
3779 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3780
3781         PR target/79044
3782         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
3783         element-reversing loads and stores as not swappable.
3784
3785 2017-01-12  Nathan Sidwell  <nathan@acm.org>
3786             Nicolai Stange  <nicstange@gmail.com>
3787
3788         * combine.c (try_combine): Don't ignore result of overlap checking
3789         loop.  Combine overlap & asm check into single loop.
3790
3791 2017-01-12  Richard Biener  <rguenther@suse.de>
3792
3793         * tree-pretty-print.c (dump_generic_node): Provide -gimple
3794         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
3795
3796 2017-01-12  Richard Biener  <rguenther@suse.de>
3797
3798         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
3799         and TS_TARGET_OPTION directly derive from TS_BASE.
3800         * tree-core.h (tree_optimization_option): Derive from tree_base.
3801         (tree_target_option): Likewise.
3802
3803 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
3804
3805         * config/i386/i386.c (memory_address_length): Increase len
3806         only when rip_relative_addr_p returns false.
3807
3808 2017-01-11  Julia Koval  <julia.koval@intel.com>
3809
3810         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
3811         (OPTION_MASK_ISA_SGX_SET): New.
3812         (ix86_handle_option): Handle OPT_msgx.
3813         * config.gcc: Added sgxintrin.h.
3814         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
3815         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
3816         * config/i386/i386.c (ix86_target_string): Add -msgx.
3817         (PTA_SGX): New.
3818         (ix86_option_override_internal): Handle new options.
3819         (ix86_valid_target_attribute_inner_p): Add sgx.
3820         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
3821         * config/i386/i386.opt: Add msgx.
3822         * config/i386/sgxintrin.h: New file.
3823         * config/i386/x86intrin.h: Add sgxintrin.h.
3824
3825 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
3826
3827         PR c++/71537
3828         * fold-const.c (maybe_nonzero_address): Return 1 for function
3829         local objects.
3830         (tree_single_nonzero_warnv_p): Don't handle function local objects
3831         here.
3832
3833         PR c++/72813
3834         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
3835         of c-header.
3836
3837 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
3838
3839         PR driver/78877
3840         * opts.c: Include "spellcheck.h"
3841         (struct string_fragment): New struct.
3842         (struct edit_distance_traits<const string_fragment &>): New
3843         struct.
3844         (get_closest_sanitizer_option): New function.
3845         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
3846
3847 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
3848
3849         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
3850         by 12.
3851         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
3852         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
3853         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
3854         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
3855         for initial die_offset if dwarf_split_debug_info.
3856         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
3857         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
3858         fields.
3859         (output_skeleton_debug_sections): Formatting fix.  Use
3860         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
3861         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
3862
3863 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
3864
3865         * config/arm/cortex-a53.md: Add bypasses for
3866         cortex_a53_r2f_cvt.
3867         (cortex_a53_r2f): Only use for transfers.
3868         (cortex_a53_f2r): Likewise.
3869         (cortex_a53_r2f_cvt): Add reservation for conversions.
3870         (cortex_a53_f2r_cvt): Likewise.
3871
3872 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
3873
3874         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
3875         to all inlined functions, change static to extern.
3876
3877 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
3878
3879         PR target/78253
3880         * config/arm/arm.c (legitimize_pic_address): Handle reference to
3881         weak symbol.
3882         (arm_assemble_integer): Likewise.
3883
3884 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
3885
3886         * config.gcc: Use new awk script to check CPU, FPU and architecture
3887         parameters for --with-... options.
3888         * config/arm/parsecpu.awk: New file
3889         * config/arm/arm-cpus.in: New file.
3890         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
3891         files.
3892         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
3893         files.
3894         * config/arm/t-arm: Update dependency rules.
3895         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
3896         of processing .def files.
3897         * config/arm/genopt.sh: Deleted.
3898         * config/arm/gentune.sh: Deleted.
3899         * config/arm/arm-cores.def: Deleted.
3900         * config/arm/arm-arches.def: Deleted.
3901         * config/arm/arm-fpus.def: Deleted.
3902         * config/arm/arm-tune.md: Regenerated.
3903         * config/arm/arm-tables.opt: Regenerated.
3904         * config/arm/arm-cpu.h: New generated file.
3905         * config/arm/arm-cpu-data.h: New generated file.
3906         * config/arm/arm-cpu-cdata.h: New generated file.
3907
3908 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
3909
3910         PR lto/79042
3911         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
3912         bit.
3913         (input_varpool_node): Unpack dynamically_initialized bit.
3914
3915 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3916
3917         PR rtl-optimization/79032
3918         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
3919         the alignment of the adjusted memory reference against that of MODE,
3920         instead of the alignment of the original memory reference.
3921
3922 2017-01-11  Martin Jambor  <mjambor@suse.cz>
3923
3924         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
3925         test.
3926         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
3927         decorated functions.
3928
3929 2017-01-11  Richard Biener  <rguenther@suse.de>
3930
3931         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
3932         set range/nonnull info for PHI results.  Do not set it on
3933         stmts marked for removal.
3934
3935 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
3936
3937         * expr.c (store_field): In the bitfield case, fetch the return value
3938         from the registers before applying a single big-endian adjustment.
3939         Always do a final load for a BLKmode value not larger than a word.
3940
3941 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
3942
3943         PR c++/77949
3944         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
3945         that we correctly handle column numbers greater than
3946         LINE_MAP_MAX_COLUMN_NUMBER.
3947
3948 2017-01-10  Martin Sebor  <msebor@redhat.com>
3949
3950         PR middle-end/78245
3951         * gimple-ssa-sprintf.c (get_destination_size): Call
3952         {init,fini}object_sizes.
3953         * tree-object-size.c (addr_object_size): Adjust.
3954         (pass_through_call): Adjust.
3955         (pass_object_sizes::execute): Adjust.
3956         * tree-object-size.h (fini_object_sizes): Declare.
3957
3958 2017-01-10  Martin Sebor  <msebor@redhat.com>
3959
3960         PR tree-optimization/78775
3961         * builtins.c (get_size_range): Move...
3962         * calls.c: ...to here.
3963         (alloc_max_size): Accept zero argument.
3964         (operand_signed_p): Remove.
3965         (maybe_warn_alloc_args_overflow): Call get_size_range.
3966         * calls.h (get_size_range): Declare.
3967
3968 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
3969
3970         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
3971         from TI's devices.csv file as of September 2016.
3972         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
3973
3974 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
3975
3976         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
3977         * doc/invoke.texi: Likewise.
3978         * doc/md.texi: Likewise.
3979         * doc/objc.texi: Likewise.
3980
3981 2017-01-10  Joshua Conner  <joshconner@google.com>
3982
3983         * config/arm/fuchsia-elf.h: New file.
3984         * config/fuchsia.h: New file.
3985         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
3986         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
3987         targets.
3988         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
3989
3990 2016-01-10  Richard Biener  <rguenther@suse.de>
3991
3992         PR tree-optimization/79034
3993         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
3994         Propagate out degenerate PHIs in the joiner.
3995
3996 2017-01-10  Martin Liska  <mliska@suse.cz>
3997
3998         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
3999         (sort_congruence_classes_by_decl_uid): Likewise.
4000         (sort_congruence_class_groups_by_decl_uid): Likewise.
4001         (sem_item_optimizer::merge_classes): Sort class, groups in these
4002         classes and members in the groups by DECL_UID of declarations.
4003         This would make merge operations stable.
4004
4005 2017-01-10  Martin Liska  <mliska@suse.cz>
4006
4007         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
4008         usage of m_classes_vec.
4009         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
4010         (sem_item_optimizer::get_group_by_hash): Likewise.
4011         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
4012         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
4013         (sem_item_optimizer::verify_classes): Likewise.
4014         (sem_item_optimizer::process_cong_reduction): Likewise.
4015         (sem_item_optimizer::dump_cong_classes): Likewise.
4016         (sem_item_optimizer::merge_classes): Likewise.
4017         * ipa-icf.h (congruence_class_hash): Rename from
4018         congruence_class_group_hash.  Remove declaration of m_classes_vec.
4019
4020 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
4021
4022         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
4023         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
4024         * config.gcc: Add avx512vpopcntdqintrin.h.
4025         * config/i386/avx512vpopcntdqintrin.h: New.
4026         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
4027         * config/i386/i386-builtin-types.def: Add new types.
4028         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
4029         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
4030         __builtin_ia32_vpopcountq_v8di_mask): New.
4031         * config/i386/i386-c.c (ix86_target_macros_internal): Define
4032         __AVX512VPOPCNTDQ__.
4033         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
4034         (PTA_AVX512VPOPCNTDQ): Define.
4035         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
4036         TARGET_AVX512VPOPCNTDQ_P): Define.
4037         * config/i386/i386.opt: Add mavx512vpopcntdq.
4038         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
4039         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
4040
4041 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4042
4043         PR middle-end/77484
4044         * predict.def (PRED_CALL): Set to 67.
4045
4046 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
4047
4048         * expr.c (store_field): In the bitfield case, if the value comes from
4049         a function call and is of an aggregate type returned in registers, do
4050         not modify the field mode; extract the value in all cases if the mode
4051         is BLKmode and the size is not larger than a word.
4052
4053 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
4054
4055         PR target/71017
4056         * config/i386/cpuid.h: Fix undefined behavior.
4057
4058 2017-01-04  Jeff Law  <law@redhat.com>
4059
4060         PR tree-optimization/79007
4061         PR tree-optimization/67955
4062         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
4063         conservative for pt.null when flag_non_call_exceptions is on.
4064
4065 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
4066
4067         PR translation/79019
4068         PR translation/79020
4069         * params.def (PARAM_INLINE_MIN_SPEEDUP,
4070         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
4071         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
4072         in descriptions.
4073         * config/avr/avr.opt (maccumulate-args): Likewise.
4074         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
4075         * common.opt (freport-bug): Likewise.
4076         * cif-code.def (CIF_FINAL_ERROR): Likewise.
4077         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
4078         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
4079         translatable string.
4080         * config/i386/i386.c (function_value_32): Likewise.
4081         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
4082         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
4083         Likewise.
4084         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
4085         * common/config/msp430/msp430-common.c (msp430_handle_option):
4086         Likewise.
4087         * symtab.c (symtab_node::verify_base): Likewise.
4088         * opts.c (set_debug_level): Likewise.
4089         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
4090         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4091         missing whitespace to translatable strings.
4092         * config/avr/avr.md (bswapsi2): Fix typo in comment.
4093         * config/sh/superh.h: Likewise.
4094         * config/i386/xopintrin.h: Likewise.
4095         * config/i386/znver1.md: Likewise.
4096         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
4097         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
4098         * double-int.h (struct double_int): Likewise.
4099         * double-int.c (div_and_round_double): Likewise.
4100         * wide-int.cc: Likewise.
4101         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
4102         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
4103         * cfgcleanup.c (crossjumps_occured): Renamed to ...
4104         (crossjumps_occurred): ... this.
4105         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
4106         Adjust all uses.
4107
4108         PR tree-optimization/78899
4109         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
4110         returning bool return struct loop *, NULL for failure and the new
4111         loop on success.
4112         (versionable_outer_loop_p): Don't version outer loop if it has
4113         dont_vectorized bit set.
4114         (tree_if_conversion): When versioning outer loop, ensure
4115         tree_if_conversion is performed also on the inner loop of the
4116         non-vectorizable outer loop copy.
4117         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
4118         LOOP_VECTORIZED in inner loop of the scalar outer loop and
4119         prevent vectorization of it.
4120         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
4121         the outer loop vectorization of the non-scalar version is attempted
4122         before vectorization of the inner loop in scalar version.  If
4123         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
4124         vectorization of its inner loop.
4125         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
4126         has 2 inner loops, rename also on edges from bb whose single pred
4127         is outer_loop->header.  Fix typo in function comment.
4128
4129 2017-01-09  Martin Sebor  <msebor@redhat.com>
4130
4131         PR bootstrap/79033
4132         * asan.c (asan_emit_stack_protection): Increase local buffer size
4133         to avoid snprintf truncation warning.
4134
4135 2017-01-09  Andrew Pinski  <apinski@cavium.com>
4136
4137         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
4138         to reference thunderx2t99 for the tuning structure
4139         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
4140         Rename to ...
4141         (thunderx2t99_extra_costs): This.
4142         * config/aarch64/aarch64-tune.md: Regenerate.
4143         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
4144         (vulcan_addrcost_table): This.
4145         (vulcan_regmove_cost): Rename to ...
4146         (thunderx2t99_regmove_cost): This.
4147         (vulcan_vector_cost): Rename to ...
4148         (thunderx2t99_vector_cost): this.
4149         (vulcan_branch_cost): Rename to ...
4150         (thunderx2t99_branch_cost): This.
4151         (vulcan_tunings): Rename to ...
4152         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
4153         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
4154
4155 2017-01-09  Martin Jambor  <mjambor@suse.cz>
4156
4157         PR ipa/78365
4158         PR ipa/78599
4159         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
4160         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
4161         (propagate_vr_accross_jump_function): Use the above function for all
4162         value range computations for pass-through jump functions and type
4163         converasion from explicit value range values.
4164         (ipcp_propagate_stage): Do not attempt to deduce types of formal
4165         parameters from TYPE_ARG_TYPES.
4166         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
4167         (ipa_write_node_info): Stream type of the actual argument.
4168         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
4169
4170 2017-01-09  Martin Liska  <mliska@suse.cz>
4171
4172         PR pch/78970
4173         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
4174         (lookup_compiler): Do not show error message with have_E.
4175
4176 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
4177
4178         PR tree-optimization/78938
4179         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
4180         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
4181         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
4182         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
4183         fixes.
4184
4185 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4186
4187         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
4188         is const0_rtx.
4189
4190 2017-01-09  Richard Biener  <rguenther@suse.de>
4191
4192         PR tree-optimization/78997
4193         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
4194         name condition properly.
4195
4196 2017-01-09  Richard Biener  <rguenther@suse.de>
4197
4198         PR debug/79000
4199         * dwarf2out.c (is_cxx): New overload with context.
4200         (is_naming_typedef_decl): Use it.
4201
4202 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
4203
4204         * invoke.texi (Option Summary): Correct spacing in option lists
4205         and add line breaks to fix over-long lines.
4206
4207 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
4208
4209         PR middle-end/17660
4210
4211         * extend.texi (Common Variable Attributes): Add xref to GCC
4212         Internals manual to explain mode attribute keywords.
4213
4214 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
4215
4216         PR other/16519
4217         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
4218         and Preprocessor Options.
4219         (Options for Linking): Document -pthread here....
4220         (RS/6000 and PowerPC Options): ...not here.
4221         (Solaris 2 Options): ...or here.
4222         * doc/cppopts.texi: Document -pthread.
4223
4224 2017-01-08  Martin Sebor  <msebor@redhat.com>
4225
4226         PR middle-end/77708
4227         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
4228         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
4229         New member functions.
4230         (format_directive): Used them.
4231         (add_bytes): Same.
4232         (pass_sprintf_length::handle_gimple_call): Same.
4233         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
4234         to avoid truncation for any argument.
4235         (extract_affine_mul): Same.
4236         * tree.c (get_file_function_name): Same.
4237
4238 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4239
4240         PR middle-end/77484
4241         * predict.def (PRED_INDIR_CALL): Set to 86.
4242
4243 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4244
4245         PR preprocessor/54124
4246         * doc/cppopts.texi: Reformat -d subtable to list the full name
4247         of the options.  Add cross-reference to the docs for the general
4248         compiler -d options.
4249         * doc/invoke.texi (Developer Options): Add cross-reference to the
4250         preprocessor-specific -d option documentation.
4251
4252 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4253
4254         PR preprocessor/13498
4255         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
4256         redudant material, and reflect new command-line options.
4257         (System Headers): Likewise.
4258
4259 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4260
4261         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
4262         -isystem, and -idirafter.  Copy-edit.
4263         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
4264         default for -ftrack-macro-expansion.  Delete obsolete and
4265         badly-formatted implementation details about -fdebug-cpp output.
4266         * doc/cppwarnopts.texi: Copy-edit.
4267
4268 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
4269
4270         PR c++/72803
4271         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
4272         that the transition from a max line width >= 1<<10 to narrower
4273         lines works correctly.
4274
4275 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
4276
4277         * doc/options.texi (PerFunction): New.
4278         * opt-functions.awk (switch_flags): Map both Optimization and
4279         PerFunction to CL_OPTIMIZATION.
4280         * opth-gen.awk: Test for PerFunction flag along with
4281         Optimization.
4282         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
4283         it only when the latter is present.  Skip those that don't in
4284         the hash function generator.
4285         * common.opt (fvar-tracking): Mark as PerFunction instead of
4286         Optimization.
4287         (fvar-tracking-assignments): Likewise.
4288         (fvar-tracking-assignments-toggle): Likewise.
4289         (fvar-tracking-uninit): Likewise.
4290
4291 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
4292
4293         PR translation/79018
4294         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
4295         the and store.
4296
4297 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
4298
4299         PR target/57583
4300         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
4301         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
4302         TARGET_LONG_JUMP_TABLE_OFFSETS.
4303         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
4304         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
4305         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
4306         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
4307         * config/m68k/m68k.md (tablejump expander): Likewise.
4308         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
4309         TARGET_LONG_JUMP_TABLE_OFFSETS.
4310         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
4311         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
4312
4313 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
4314             David Holsgrove <david.holsgrove@xilinx.com>
4315
4316         * common/config/microblaze/microblaze-common.c
4317         (TARGET_EXCEPT_UNWIND_INFO): Remove.
4318         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
4319         New prototype.
4320         * config/microblaze/microblaze.c (microblaze_must_save_register)
4321         (microblaze_expand_epilogue, microblaze_return_addr): Handle
4322         calls_eh_return.
4323         (microblaze_eh_return): New function.
4324         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
4325         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
4326         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
4327         * config/microblaze/microblaze.md (eh_return): New pattern.
4328
4329 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
4330
4331         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
4332         GCC_DIAGNOSTIC_STRINGIFY): Define.
4333
4334         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
4335
4336 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4337
4338         * config/arm/arm.md (<mcrr>): New.
4339         (<mrrc>): New.
4340         * config/arm/arm.c (arm_arch5te): New.
4341         (arm_option_override): Set arm_arch5te.
4342         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
4343         and mrrc2.
4344         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
4345         (arm_mcrr_qualifiers): ... this. New.
4346         (MRRC_QUALIFIERS): Define to...
4347         (arm_mrrc_qualifiers): ... this. New.
4348         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
4349         __arm_mrrc2): New.
4350         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
4351         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
4352         (MRRCI, mrrc, MRRC): New.
4353         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
4354         VUNSPEC_MRRC2): New.
4355
4356 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4357
4358         * config/arm/arm.md (<mcr>): New.
4359         (<mrc>): New.
4360         * config/arm/arm.c (arm_coproc_builtin_available): Add
4361         support for mcr, mrc, mcr2 and mrc2.
4362         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
4363         (arm_mcr_qualifiers): ... this. New.
4364         (MRC_QUALIFIERS): Define to ...
4365         (arm_mrc_qualifiers): ... this. New.
4366         (MCR_QUALIFIERS): Define to ...
4367         (arm_mcr_qualifiers): ... this. New.
4368         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
4369         __arm_mrc2): New.
4370         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
4371         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
4372         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
4373         VUNSPEC_MRC2): New.
4374
4375 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4376
4377         * config/arm/arm.md (*ldc): New.
4378         (*stc): New.
4379         (<ldc>): New.
4380         (<stc>): New.
4381         * config/arm/arm.c (arm_coproc_builtin_available): Add
4382         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
4383         (arm_coproc_ldc_stc_legitimate_address): New.
4384         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
4385         'qualifier_const_pointer'.
4386         (LDC_QUALIFIERS): Define to...
4387         (arm_ldc_qualifiers): ... this. New.
4388         (STC_QUALIFIERS): Define to...
4389         (arm_stc_qualifiers): ... this. New.
4390         * config/arm/arm-protos.h
4391         (arm_coproc_ldc_stc_legitimate_address): New.
4392         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
4393         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
4394         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
4395         stc2, stcl, stc2l): New.
4396         * config/arm/constraints.md (Uz): New.
4397         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
4398         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
4399         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
4400         VUNSPEC_STC2L): New.
4401
4402 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4403
4404         * config/arm/arm.md (<cdp>): New.
4405         * config/arm/arm.c (neon_const_bounds): Rename this ...
4406         (arm_const_bounds): ... this.
4407         (arm_coproc_builtin_available): New.
4408         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
4409         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
4410         (CDP_QUALIFIERS): Define to...
4411         (arm_cdp_qualifiers): ... this. New.
4412         (void_UP): Define.
4413         (arm_expand_builtin_args): Add case for 6 arguments.
4414         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
4415         (arm_const_bounds): ... this.
4416         (arm_coproc_builtin_available): New.
4417         * config/arm/arm_acle.h (__arm_cdp): New.
4418         (__arm_cdp2): New.
4419         * config/arm/arm_acle_builtins.def (cdp): New.
4420         (cdp2): New.
4421         * config/arm/iterators.md (CDPI,CDP,cdp): New.
4422         * config/arm/neon.md: Rename all 'neon_const_bounds' to
4423         'arm_const_bounds'.
4424         * config/arm/types.md (coproc): New.
4425         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
4426         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
4427         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
4428         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
4429
4430 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4431
4432         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
4433         (UBINOP_QUALIFIERS): New.
4434         (si_UP): Define.
4435         (acle_builtin_data): New. Change comment.
4436         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
4437         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
4438         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
4439         arm_acle_builtins.def.
4440         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
4441         (arm_init_acle_builtins): New.
4442         (CRC32_BUILTIN): Remove.
4443         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
4444         crc32cb, crc32ch and crc32cw.
4445         (arm_init_crc32_builtins): Remove.
4446         (arm_init_builtins): Use arm_init_acle_builtins rather
4447         than arm_init_crc32_builtins.
4448         (arm_expand_acle_builtin): New.
4449         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
4450         * config/arm/arm_acle_builtins.def: New.
4451
4452 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4453
4454         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
4455         (arm_builtin_datum): ... this.
4456         (arm_init_neon_builtin): Rename to ...
4457         (arm_init_builtin): ... this. Add a new parameters PREFIX
4458         and USE_SIG_IN_NAME.
4459         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
4460         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
4461         'arm_builtin_datum'.
4462         (arm_init_vfp_builtins): Likewise.
4463         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
4464         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
4465         (arm_expand_neon_args): Rename to ...
4466         (arm_expand_builtin_args): ... this. Rename builtin_arg
4467         enum values and differentiate between ARG_BUILTIN_MEMORY
4468         and ARG_BUILTIN_NEON_MEMORY.
4469         (arm_expand_neon_builtin_1): Rename to ...
4470         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
4471         values, arm_expand_builtin_args and add bool parameter NEON.
4472         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
4473         (arm_expand_vfp_builtin): Likewise.
4474         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
4475
4476 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4477
4478         PR middle-end/77484
4479         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
4480         * predict.c (tree_estimate_probability_bb): Reverse direction of
4481         polymorphic call predictor.
4482
4483 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
4484
4485         * passes.c (execute_one_pass): Split out pass-skipping logic into...
4486         (determine_pass_name_match): ...this new function and...
4487         (should_skip_pass_p): ...this new function.
4488
4489 2017-01-06  Nathan Sidwell  <nathan@acm.org>
4490
4491         * ipa-visibility.c (function_and_variable_visibility): Reformat
4492         comments and long lines.  Remove extrneous if.
4493         * symtab.c (symtab_node::make_decl_local): Fix code format.
4494         (symtab_node::set_section_for_node): Fix comment typo.
4495
4496 2017-01-06  Martin Liska  <mliska@suse.cz>
4497
4498         PR bootstrap/79003
4499         * lra-constraints.c: Rename invariant to lra_invariant.
4500         * predict.c (set_even_probabilities): Initialize e to NULL.
4501
4502 2017-01-05  Martin Sebor  <msebor@redhat.com>
4503
4504         PR tree-optimization/78910
4505         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
4506         (format_integer): Correct off-by-one error in the handling
4507         of precision with negative numbers in signed conversions..
4508
4509 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4510
4511         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
4512
4513 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
4514
4515         PR tree-optimization/71016
4516         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
4517         factor_out_conditional_conversion.  Formatting fix.
4518         (factor_out_conditional_conversion): Add cond_stmt argument.
4519         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
4520         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
4521         Formatting fix.
4522
4523 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
4524
4525         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
4526         read-rtl-function.o, and selftest-rtl.o.
4527         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
4528         (selftest::aarch64_test_loading_full_dump): New function.
4529         (selftest::aarch64_run_selftests): New function.
4530         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
4531         selftest::aarch64_run_selftests.
4532         * config/i386/i386.c
4533         (selftest::ix86_test_loading_dump_fragment_1): New function.
4534         (selftest::ix86_test_loading_call_insn): New function.
4535         (selftest::ix86_test_loading_full_dump): New function.
4536         (selftest::ix86_test_loading_unspec): New function.
4537         (selftest::ix86_run_selftests): Call the new functions.
4538         * emit-rtl.c (maybe_set_max_label_num): New function.
4539         * emit-rtl.h (maybe_set_max_label_num): New decl.
4540         * function.c (instantiate_decls): Guard call to
4541         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
4542         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
4543         "static".
4544         * gensupport.c (gen_reader::gen_reader): Pass "false"
4545         for new "compact" param of rtx_reader.
4546         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
4547         rather than an empty string for NULL strings.
4548         * read-md.c: Potentially include config.h rather than bconfig.h.
4549         Wrap include of errors.h with #ifdef GENERATOR_FILE.
4550         (have_error): New global, copied from errors.c.
4551         (md_reader::read_name): Rename to...
4552         (md_reader::read_name_1): ...this, adding "out_loc" param,
4553         and converting "missing name or number" to returning false, rather
4554         than failing.
4555         (md_reader::read_name): Reimplement in terms of read_name_1.
4556         (md_reader::read_name_or_nil): New function.
4557         (md_reader::read_string): Handle "(nil)" by returning NULL.
4558         (md_reader::md_reader): Add new param "compact".
4559         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
4560         (md_reader::read_file): New method.
4561         * read-md.h (md_reader::md_reader): Add new param "compact".
4562         (md_reader::read_file): New method.
4563         (md_reader::is_compact): New accessor.
4564         (md_reader::read_name): Convert return type from void to file_location.
4565         (md_reader::read_name_or_nil): New decl.
4566         (md_reader::read_name_1): New decl.
4567         (md_reader::m_compact): New field.
4568         (noop_reader::noop_reader): Pass "false" for new "compact" param
4569         of rtx_reader.
4570         (rtx_reader::rtx_reader): Add new "compact" param.
4571         (rtx_reader::read_rtx_operand): Make virtual and convert return
4572         type from void to rtx.
4573         (rtx_reader::read_until): New decl.
4574         (rtx_reader::handle_any_trailing_information): New virtual function.
4575         (rtx_reader::postprocess): New virtual function.
4576         (rtx_reader::finalize_string): New virtual function.
4577         (rtx_reader::m_in_call_function_usage): New field.
4578         (rtx_reader::m_reuse_rtx_by_id): New field.
4579         * read-rtl-function.c: New file.
4580         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
4581         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
4582         (selftest::verify_three_block_rtl_cfg): New decl.
4583         * read-rtl-function.h: New file.
4584         * read-rtl.c: Potentially include config.h rather than bconfig.h.
4585         For host, include function.h, memmodel.h, and emit-rtl.h.
4586         (one_time_initialization): New function.
4587         (struct compact_insn_name): New struct.
4588         (compact_insn_names): New array.
4589         (find_code): Handle insn codes in compact dumps.
4590         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
4591         (bind_subst_iter_and_attr): Likewise.
4592         (add_condition_to_string): Likewise.
4593         (add_condition_to_rtx): Likewise.
4594         (apply_attribute_uses): Likewise.
4595         (add_current_iterators): Likewise.
4596         (apply_iterators): Likewise.
4597         (initialize_iterators): Guard usage of apply_subst_iterator with
4598         #ifdef GENERATOR_FILE.
4599         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
4600         (md_reader::read_mapping): Likewise.
4601         (add_define_attr_for_define_subst): Likewise.
4602         (add_define_subst_attr): Likewise.
4603         (read_subst_mapping): Likewise.
4604         (check_code_iterator): Likewise.
4605         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
4606         logic to...
4607         (one_time_initialization): New function.
4608         (rtx_reader::read_until): New method.
4609         (read_flags): New function.
4610         (parse_reg_note_name): New function.
4611         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
4612         Handle reuse_rtx ids.
4613         Wrap iterator lookup within #ifdef GENERATOR_FILE.
4614         Add parsing support for RTL dumps, mirroring the special-cases in
4615         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
4616         values, and calling handle_any_trailing_information.
4617         (rtx_reader::read_rtx_operand): Convert return type from void
4618         to rtx, returning return_rtx.  Handle case 'e'.  Call
4619         finalize_string on XSTR and XTMPL fields.
4620         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
4621          "(nil)" values were omitted.  Call the postprocess vfunc on the
4622         return_rtx.
4623         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
4624         class ctor.  Initialize m_in_call_function_usage.  Call
4625         one_time_initialization.
4626         * rtl-tests.c (selftest::test_uncond_jump): Call
4627         set_new_first_and_last_insn.
4628         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
4629         * selftest-rtl.c: New file.
4630         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
4631         (selftest::get_insn_by_uid): New decl.
4632         * selftest-run-tests.c (selftest::run_tests): Call
4633         read_rtl_function_c_tests.
4634         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
4635         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
4636         dumps.
4637
4638 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
4639
4640         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
4641         operands in a special way.  Assert that pos+len <= mode precision.
4642
4643 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
4644
4645         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
4646         3 argument Alias with unlimited for the negative form.
4647         (fno-vect-cost-model): Removed.
4648
4649 2017-01-05  Martin Liska  <mliska@suse.cz>
4650
4651         * hsa-gen.c (gen_hsa_divmod): New function.
4652         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
4653
4654 2017-01-05  Martin Liska  <mliska@suse.cz>
4655
4656         PR pch/78970
4657         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
4658         header.
4659
4660 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4661
4662         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
4663         small constant length operands.
4664
4665 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4666
4667         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
4668         between loop iterations.
4669
4670 2017-01-05  Martin Liska  <mliska@suse.cz>
4671
4672         PR sanitizer/78815
4673         * gimplify.c (gimplify_decl_expr): Compare to
4674         asan_poisoned_variables instread of checking flags.
4675         (gimplify_target_expr): Likewise.
4676         (gimplify_expr): Likewise.
4677         (gimplify_function_tree): Conditionally initialize
4678         asan_poisoned_variables.
4679
4680 2017-01-04  Jeff Law  <law@redhat.com>
4681
4682         PR tree-optimizatin/78812
4683         * rtl.h (contains_mem_rtx_p): Prototype.
4684         * ifcvt.c (containts_mem_rtx_p): Move from here to...
4685         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
4686         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
4687         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
4688         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
4689
4690 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
4691
4692         * input.c (assert_char_at_range): Default-initialize actual_range.
4693
4694 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
4695
4696         * df-scan.c (df_ref_create_structure): Make regno unsigned,
4697         to match the caller.
4698
4699 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
4700
4701         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
4702         insns after final jump in test to emit dummy move.
4703
4704 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
4705
4706         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
4707         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
4708
4709 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
4710
4711         * multiple_target.c (create_dispatcher_calls): Init e_next.
4712         * tree-ssa-loop-split.c (split_loop): Init border.
4713         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
4714         scalar_type.
4715
4716 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
4717
4718         PR target/71977
4719         PR target/70568
4720         PR target/78823
4721         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
4722         (altivec_register_operand): Do not return true if the operand
4723         contains a SUBREG mixing SImode and SFmode.
4724         (vsx_register_operand): Likewise.
4725         (vsx_reg_sfsubreg_ok): New predicate.
4726         (vfloat_operand): Do not return true if the operand contains a
4727         SUBREG mixing SImode and SFmode.
4728         (vint_operand): Likewise.
4729         (vlogical_operand): Likewise.
4730         (gpc_reg_operand): Likewise.
4731         (int_reg_operand): Likewise.
4732         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
4733         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
4734         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
4735         SImode and SFmode.
4736         (rs6000_emit_move_si_sf_subreg): New helper function.
4737         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
4738         fixup SUBREGs involving SImode and SFmode.
4739         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
4740         numbers for the new peephole2 optimization.
4741         (peephole2 for SFmode unions): New peephole2 to optimize cases in
4742         the GLIBC math library that do AND/IOR/XOR operations on single
4743         precision floating point.
4744         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
4745         target macros to say whether we need to avoid SUBREGs mixing
4746         SImode and SFmode.
4747         (TARGET_ALLOW_SF_SUBREG): Likewise.
4748         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
4749         (UNSPEC_SI_FROM_SF): Likewise.
4750         (iorxor): Change spacing.
4751         (and_ior_xor): New iterator for AND, IOR, and XOR.
4752         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
4753         (movdi_from_sf_zero_ext): Likewise.
4754         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
4755         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
4756         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
4757         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
4758         (fms<mode>4): Likewise.
4759         (fnma<mode>4): Likewise.
4760         (fnms<mode>4): Likewise.
4761         (nfma<mode>4): Likewise.
4762         (nfms<mode>4): Likewise.
4763
4764 2017-01-04  Marek Polacek  <polacek@redhat.com>
4765
4766         PR c++/64767
4767         * doc/invoke.texi: Document -Wpointer-compare.
4768
4769 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
4770
4771         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
4772         RejectNegative.
4773
4774         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
4775         descriptions for -gdwarf-5 and emit them as uleb128 instead of
4776         2-byte data.
4777
4778 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4779
4780         PR target/78056
4781         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
4782         documentation of the powerpc_popcntb_ok attribute.
4783         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
4784         code to issue warning messages if a requested CPU configuration is
4785         not supported by the binary (assembler and loader) toolchain.
4786         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
4787         made to define a built-in function that has been disabled.
4788         (paired_init_builtins): Add assertion to prevent ICE if attempt is
4789         made to define a built-in function that has been disabled.
4790         (altivec_init_builtins): Add comment explaining why definition
4791         of the DST built-in functions is not preceded by an assertion
4792         check.  Add assertions to prevent ICE if attempts are made to
4793         define an altivec predicate or an abs* built-in function that has
4794         been disabled.
4795         (htm_init_builtins): Add comment explaining why definition of the
4796         htm built-in functions is not preceded by an assertion check.
4797
4798 2017-01-04  Jeff Law  <law@redhat.com>
4799
4800         PR tree-optimizatin/67955
4801         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
4802         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
4803         the points-to solution does not include pt_null.  Use DECL_PT_UID
4804         unconditionally.
4805
4806 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
4807
4808         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
4809         Use gen_int_mode instead of gen_lopwart for const_int operands.
4810
4811 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
4812
4813         PR tree-optimization/71563
4814         * match.pd: Simplify X << Y into X if Y is known to be 0 or
4815         out of range value - has low bits known to be zero.
4816
4817 2017-01-04  Alan Modra  <amodra@gmail.com>
4818
4819         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
4820         * configure: Regenerate.
4821         * config.in: Regenerate.
4822
4823 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
4824
4825         PR bootstrap/77569
4826         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
4827         a substring of the message, but strcmp with the whole message.  Ifdef
4828         ENABLE_NLS, translate the message first using dgettext.
4829
4830 2017-01-03  Jeff Law  <law@redhat.com>
4831
4832         PR tree-optimizatin/78856
4833         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
4834         (mark_threaded_blocks): Remove code to truncate thread paths that
4835         cross multiple loop headers.  Instead invalidate the cached loop
4836         iteration information and handle case of a thread path walking
4837         into an irreducible region.
4838
4839 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
4840
4841         PR target/78900
4842         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
4843         assertions.  Add support for doing the signbit if the IEEE 128-bit
4844         floating point value is in a GPR.
4845         * config/rs6000/rs6000.md (Fsignbit): Delete.
4846         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
4847         Update the length attribute if the value is in a GPR.
4848         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
4849         the sign or zero extension instruction, since the value is always 0/1.
4850         (signbit<mode>2_dm2): Delete using <Fsignbit>.
4851
4852         PR target/78953
4853         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
4854         extracting SImode to a GPR register so that we can generate a
4855         store, limit the vector to be in a traditional Altivec register
4856         for the vextuwrx instruction.
4857
4858 2017-01-03  Ian Lance Taylor  <iant@google.com>
4859
4860         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
4861
4862 2017-01-03  Martin Sebor  <msebor@redhat.com>
4863
4864         PR tree-optimization/78696
4865         * gimple-ssa-sprintf.c (format_floating): Correct handling of
4866         precision.  Use MPFR for %f for greater fidelity.  Correct handling
4867         of %g.
4868         (pass_sprintf_length::compute_format_length): Set width and precision
4869         specified by asrerisk to void_node for vararg functions.
4870         (try_substitute_return_value): Adjust dump output.
4871
4872 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
4873
4874         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
4875
4876 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
4877
4878         * doc/invoke.texi (SPARC options): Document -mlra as the default.
4879         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
4880         -mlra/-mno-lra was passed to the compiler.
4881
4882 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
4883
4884         PR rtl-optimization/65618
4885         * emit-rtl.c (try_split): Move initialization of "before" and
4886         "after" to just before the call to emit_insn_after_setloc.
4887
4888 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
4889
4890         * doc/md.texi (Standard Names): Remove reference to Java frontend.
4891
4892 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
4893
4894         * dwarf2out.c (gen_enumeration_type_die): When
4895         -gno-strict-dwarf, add a DW_AT_encoding attribute.
4896
4897 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
4898
4899         PR tree-optimization/78965
4900         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
4901         Change first argument from const call_info & to call_info &.  For %n
4902         set info.nowrite to false.
4903
4904         PR middle-end/78901
4905         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
4906         possibly throwing calls.
4907
4908         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
4909         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
4910         and fns handling, rather than in a separate case SSA_NAME.
4911
4912 2017-01-02  Jeff Law  <law@redhat.com>
4913
4914         * config/darwin-driver.c (darwin_driver_init): Const-correctness
4915         fixes for first_period and second_period variables.
4916
4917 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
4918
4919         PR target/78967
4920         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
4921         (*insvqi_1): New insn pattern.
4922         (*insvqi_1_mem_rex64): Ditto.
4923         (*insvqi_2): Ditto.
4924         (*insvqi_3): Rename from *insvqi.
4925
4926         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
4927
4928 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
4929
4930         * doc/cfg.texi (Edges): Remove reference to Java.
4931         (Maintaining the CFG): Ditto.
4932
4933 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4934
4935         PR middle-end/77674
4936         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
4937         transparent aliases.
4938
4939 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4940
4941         PR middle-end/77484
4942         * predict.def (PRED_CALL): Update hitrate.
4943         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
4944         * predict.c (tree_estimate_probability_bb): Split CALL predictor
4945         into direct/indirect/polymorphic variants.
4946
4947 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
4948
4949         Update copyright years.
4950
4951         * gcc.c (process_command): Update copyright notice dates.
4952         * gcov-dump.c (print_version): Ditto.
4953         * gcov.c (print_version): Ditto.
4954         * gcov-tool.c (print_version): Ditto.
4955         * gengtype.c (create_file): Ditto.
4956         * doc/cpp.texi: Bump @copying's copyright year.
4957         * doc/cppinternals.texi: Ditto.
4958         * doc/gcc.texi: Ditto.
4959         * doc/gccint.texi: Ditto.
4960         * doc/gcov.texi: Ditto.
4961         * doc/install.texi: Ditto.
4962         * doc/invoke.texi: Ditto.
4963 \f
4964 Copyright (C) 2017 Free Software Foundation, Inc.
4965
4966 Copying and distribution of this file, with or without modification,
4967 are permitted in any medium without royalty provided the copyright
4968 notice and this notice are preserved.